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 <span id="projectnumber">5.4.1</span>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Abstract Syntax Notation One, ASN.1</span>
<a name="l00003"></a>00003 <span class="comment"> * As defined in ISO/IS 8824 and ISO/IS 8825</span>
<a name="l00004"></a>00004 <span class="comment"> * This implements a subset of the above International Standards that</span>
<a name="l00005"></a>00005 <span class="comment"> * is sufficient to implement SNMP.</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * Encodes abstract data types into a machine independent stream of bytes.</span>
<a name="l00008"></a>00008 <span class="comment"> *</span>
<a name="l00009"></a>00009 <span class="comment"> */</span>
<a name="l00010"></a>00010 <span class="comment">/**********************************************************************</span>
<a name="l00011"></a>00011 <span class="comment"> Copyright 1988, 1989, 1991, 1992 by Carnegie Mellon University</span>
<a name="l00012"></a>00012 <span class="comment"></span>
<a name="l00013"></a>00013 <span class="comment"> All Rights Reserved</span>
<a name="l00014"></a>00014 <span class="comment"></span>
<a name="l00015"></a>00015 <span class="comment">Permission to use, copy, modify, and distribute this software and its </span>
<a name="l00016"></a>00016 <span class="comment">documentation for any purpose and without fee is hereby granted, </span>
<a name="l00017"></a>00017 <span class="comment">provided that the above copyright notice appear in all copies and that</span>
<a name="l00018"></a>00018 <span class="comment">both that copyright notice and this permission notice appear in </span>
<a name="l00019"></a>00019 <span class="comment">supporting documentation, and that the name of CMU not be</span>
<a name="l00020"></a>00020 <span class="comment">used in advertising or publicity pertaining to distribution of the</span>
<a name="l00021"></a>00021 <span class="comment">software without specific, written prior permission. </span>
<a name="l00022"></a>00022 <span class="comment"></span>
<a name="l00023"></a>00023 <span class="comment">CMU DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING</span>
<a name="l00024"></a>00024 <span class="comment">ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL</span>
<a name="l00025"></a>00025 <span class="comment">CMU BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR</span>
<a name="l00026"></a>00026 <span class="comment">ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,</span>
<a name="l00027"></a>00027 <span class="comment">WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,</span>
<a name="l00028"></a>00028 <span class="comment">ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS</span>
<a name="l00029"></a>00029 <span class="comment">SOFTWARE.</span>
<a name="l00030"></a>00030 <span class="comment">******************************************************************/</span>
<a name="l00156"></a>00156 <span class="preprocessor">#include <net-snmp/net-snmp-config.h></span>
<a name="l00157"></a>00157
<a name="l00158"></a>00158 <span class="preprocessor">#ifdef KINETICS</span>
<a name="l00159"></a>00159 <span class="preprocessor"></span><span class="preprocessor">#include "gw.h"</span>
<a name="l00160"></a>00160 <span class="preprocessor">#endif</span>
<a name="l00161"></a>00161 <span class="preprocessor"></span>
<a name="l00162"></a>00162 <span class="preprocessor">#if HAVE_STRING_H</span>
<a name="l00163"></a>00163 <span class="preprocessor"></span><span class="preprocessor">#include <string.h></span>
<a name="l00164"></a>00164 <span class="preprocessor">#else</span>
<a name="l00165"></a>00165 <span class="preprocessor"></span><span class="preprocessor">#include <strings.h></span>
<a name="l00166"></a>00166 <span class="preprocessor">#endif</span>
<a name="l00167"></a>00167 <span class="preprocessor"></span>
<a name="l00168"></a>00168 <span class="preprocessor">#include <sys/types.h></span>
<a name="l00169"></a>00169 <span class="preprocessor">#include <stdio.h></span>
<a name="l00170"></a>00170 <span class="preprocessor">#ifdef HAVE_STDLIB_H</span>
<a name="l00171"></a>00171 <span class="preprocessor"></span><span class="preprocessor">#include <stdlib.h></span>
<a name="l00172"></a>00172 <span class="preprocessor">#endif</span>
<a name="l00173"></a>00173 <span class="preprocessor"></span><span class="preprocessor">#if HAVE_WINSOCK_H</span>
<a name="l00174"></a>00174 <span class="preprocessor"></span><span class="preprocessor">#include <winsock.h></span>
<a name="l00175"></a>00175 <span class="preprocessor">#endif</span>
<a name="l00176"></a>00176 <span class="preprocessor"></span><span class="preprocessor">#if HAVE_NETINET_IN_H</span>
<a name="l00177"></a>00177 <span class="preprocessor"></span><span class="preprocessor">#include <netinet/in.h></span>
<a name="l00178"></a>00178 <span class="preprocessor">#endif</span>
<a name="l00179"></a>00179 <span class="preprocessor"></span>
<a name="l00180"></a>00180 <span class="preprocessor">#ifdef vms</span>
<a name="l00181"></a>00181 <span class="preprocessor"></span><span class="preprocessor">#include <in.h></span>
<a name="l00182"></a>00182 <span class="preprocessor">#endif</span>
<a name="l00183"></a>00183 <span class="preprocessor"></span>
<a name="l00184"></a>00184 <span class="preprocessor">#if HAVE_DMALLOC_H</span>
<a name="l00185"></a>00185 <span class="preprocessor"></span><span class="preprocessor">#include <dmalloc.h></span>
<a name="l00186"></a>00186 <span class="preprocessor">#endif</span>
<a name="l00187"></a>00187 <span class="preprocessor"></span>
<a name="l00188"></a>00188 <span class="preprocessor">#include <net-snmp/output_api.h></span>
<a name="l00189"></a>00189 <span class="preprocessor">#include <net-snmp/utilities.h></span>
<a name="l00190"></a>00190
<a name="l00191"></a>00191 <span class="preprocessor">#include <net-snmp/library/asn1.h></span>
<a name="l00192"></a>00192 <span class="preprocessor">#include <net-snmp/library/int64.h></span>
<a name="l00193"></a>00193 <span class="preprocessor">#include <net-snmp/library/mib.h></span>
<a name="l00194"></a>00194
<a name="l00195"></a>00195 <span class="preprocessor">#ifndef NULL</span>
<a name="l00196"></a>00196 <span class="preprocessor"></span><span class="preprocessor">#define NULL 0</span>
<a name="l00197"></a>00197 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00198"></a>00198 <span class="preprocessor"></span>
<a name="l00199"></a>00199 <span class="preprocessor">#include <net-snmp/library/snmp_api.h></span>
<a name="l00200"></a>00200
<a name="l00201"></a>00201 <span class="preprocessor">#ifndef INT32_MAX</span>
<a name="l00202"></a>00202 <span class="preprocessor"></span><span class="preprocessor"># define INT32_MAX 2147483647</span>
<a name="l00203"></a>00203 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00204"></a>00204 <span class="preprocessor"></span>
<a name="l00205"></a>00205 <span class="preprocessor">#ifndef INT32_MIN</span>
<a name="l00206"></a>00206 <span class="preprocessor"></span><span class="preprocessor"># define INT32_MIN (0 - INT32_MAX - 1)</span>
<a name="l00207"></a>00207 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00208"></a>00208 <span class="preprocessor"></span>
<a name="l00209"></a>00209
<a name="l00210"></a>00210 <span class="preprocessor">#if SIZEOF_LONG == 4</span>
<a name="l00211"></a>00211 <span class="preprocessor"></span><span class="preprocessor"># define CHECK_OVERFLOW_S(x,y)</span>
<a name="l00212"></a>00212 <span class="preprocessor"></span><span class="preprocessor"># define CHECK_OVERFLOW_U(x,y)</span>
<a name="l00213"></a>00213 <span class="preprocessor"></span><span class="preprocessor">#else</span>
<a name="l00214"></a>00214 <span class="preprocessor"></span><span class="preprocessor"># define CHECK_OVERFLOW_S(x,y) do { int trunc = 0; \</span>
<a name="l00215"></a>00215 <span class="preprocessor"> if (x > INT32_MAX) { \</span>
<a name="l00216"></a>00216 <span class="preprocessor"> trunc = 1; \</span>
<a name="l00217"></a>00217 <span class="preprocessor"> x &= 0xffffffff; \</span>
<a name="l00218"></a>00218 <span class="preprocessor"> } else if (x < INT32_MIN) { \</span>
<a name="l00219"></a>00219 <span class="preprocessor"> trunc = 1; \</span>
<a name="l00220"></a>00220 <span class="preprocessor"> x = 0 - (x & 0xffffffff); \</span>
<a name="l00221"></a>00221 <span class="preprocessor"> } \</span>
<a name="l00222"></a>00222 <span class="preprocessor"> if (trunc) \</span>
<a name="l00223"></a>00223 <span class="preprocessor"> snmp_log(LOG_ERR,"truncating signed value to 32 bits (%d)\n",y); \</span>
<a name="l00224"></a>00224 <span class="preprocessor"> } while(0)</span>
<a name="l00225"></a>00225 <span class="preprocessor"></span>
<a name="l00226"></a>00226 <span class="preprocessor"># define CHECK_OVERFLOW_U(x,y) do { \</span>
<a name="l00227"></a>00227 <span class="preprocessor"> if (x > UINT32_MAX) { \</span>
<a name="l00228"></a>00228 <span class="preprocessor"> x &= 0xffffffff; \</span>
<a name="l00229"></a>00229 <span class="preprocessor"> snmp_log(LOG_ERR,"truncating unsigned value to 32 bits (%d)\n",y); \</span>
<a name="l00230"></a>00230 <span class="preprocessor"> } \</span>
<a name="l00231"></a>00231 <span class="preprocessor"> } while(0)</span>
<a name="l00232"></a>00232 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00233"></a>00233 <span class="preprocessor"></span>
<a name="l00242"></a>00242 <span class="keyword">static</span>
<a name="l00243"></a>00243 <span class="keywordtype">void</span>
<a name="l00244"></a>00244 _asn_size_err(<span class="keyword">const</span> <span class="keywordtype">char</span> *str, <span class="keywordtype">size_t</span> wrongsize, <span class="keywordtype">size_t</span> rightsize)
<a name="l00245"></a>00245 {
<a name="l00246"></a>00246 <span class="keywordtype">char</span> ebuf[128];
<a name="l00247"></a>00247
<a name="l00248"></a>00248 snprintf(ebuf, <span class="keyword">sizeof</span>(ebuf),
<a name="l00249"></a>00249 <span class="stringliteral">"%s size %lu: s/b %lu"</span>, str,
<a name="l00250"></a>00250 (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)wrongsize, (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)rightsize);
<a name="l00251"></a>00251 ebuf[ <span class="keyword">sizeof</span>(ebuf)-1 ] = 0;
<a name="l00252"></a>00252 ERROR_MSG(ebuf);
<a name="l00253"></a>00253 }
<a name="l00254"></a>00254
<a name="l00263"></a>00263 <span class="keyword">static</span>
<a name="l00264"></a>00264 <span class="keywordtype">void</span>
<a name="l00265"></a>00265 _asn_length_err(<span class="keyword">const</span> <span class="keywordtype">char</span> *str, <span class="keywordtype">size_t</span> wrongsize, <span class="keywordtype">size_t</span> rightsize)
<a name="l00266"></a>00266 {
<a name="l00267"></a>00267 <span class="keywordtype">char</span> ebuf[128];
<a name="l00268"></a>00268
<a name="l00269"></a>00269 snprintf(ebuf, <span class="keyword">sizeof</span>(ebuf),
<a name="l00270"></a>00270 <span class="stringliteral">"%s length %lu too large: exceeds %lu"</span>, str,
<a name="l00271"></a>00271 (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)wrongsize, (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)rightsize);
<a name="l00272"></a>00272 ebuf[ <span class="keyword">sizeof</span>(ebuf)-1 ] = 0;
<a name="l00273"></a>00273 ERROR_MSG(ebuf);
<a name="l00274"></a>00274 }
<a name="l00275"></a>00275
<a name="l00288"></a>00288 <span class="keyword">static</span>
<a name="l00289"></a>00289 <span class="keywordtype">int</span>
<a name="l00290"></a>00290 _asn_parse_length_check(<span class="keyword">const</span> <span class="keywordtype">char</span> *str,
<a name="l00291"></a>00291 <span class="keyword">const</span> u_char * bufp, <span class="keyword">const</span> u_char * data,
<a name="l00292"></a>00292 u_long plen, <span class="keywordtype">size_t</span> dlen)
<a name="l00293"></a>00293 {
<a name="l00294"></a>00294 <span class="keywordtype">char</span> ebuf[128];
<a name="l00295"></a>00295 <span class="keywordtype">size_t</span> header_len;
<a name="l00296"></a>00296
<a name="l00297"></a>00297 <span class="keywordflow">if</span> (bufp == NULL) {
<a name="l00298"></a>00298 <span class="comment">/*</span>
<a name="l00299"></a>00299 <span class="comment"> * error message is set </span>
<a name="l00300"></a>00300 <span class="comment"> */</span>
<a name="l00301"></a>00301 <span class="keywordflow">return</span> 1;
<a name="l00302"></a>00302 }
<a name="l00303"></a>00303 header_len = bufp - data;
<a name="l00304"></a>00304 <span class="keywordflow">if</span> (plen > 0x7fffffff || header_len > 0x7fffffff ||
<a name="l00305"></a>00305 ((<span class="keywordtype">size_t</span>) plen + header_len) > dlen) {
<a name="l00306"></a>00306 snprintf(ebuf, <span class="keyword">sizeof</span>(ebuf),
<a name="l00307"></a>00307 <span class="stringliteral">"%s: message overflow: %d len + %d delta > %d len"</span>,
<a name="l00308"></a>00308 str, (<span class="keywordtype">int</span>) plen, (<span class="keywordtype">int</span>) header_len, (<span class="keywordtype">int</span>) dlen);
<a name="l00309"></a>00309 ebuf[ <span class="keyword">sizeof</span>(ebuf)-1 ] = 0;
<a name="l00310"></a>00310 ERROR_MSG(ebuf);
<a name="l00311"></a>00311 <span class="keywordflow">return</span> 1;
<a name="l00312"></a>00312 }
<a name="l00313"></a>00313 <span class="keywordflow">return</span> 0;
<a name="l00314"></a>00314 }
<a name="l00315"></a>00315
<a name="l00316"></a>00316
<a name="l00328"></a>00328 <span class="keyword">static</span>
<a name="l00329"></a>00329 <span class="keywordtype">int</span>
<a name="l00330"></a>00330 _asn_build_header_check(<span class="keyword">const</span> <span class="keywordtype">char</span> *str, <span class="keyword">const</span> u_char * data,
<a name="l00331"></a>00331 <span class="keywordtype">size_t</span> datalen, <span class="keywordtype">size_t</span> typedlen)
<a name="l00332"></a>00332 {
<a name="l00333"></a>00333 <span class="keywordtype">char</span> ebuf[128];
<a name="l00334"></a>00334
<a name="l00335"></a>00335 <span class="keywordflow">if</span> (data == NULL) {
<a name="l00336"></a>00336 <span class="comment">/*</span>
<a name="l00337"></a>00337 <span class="comment"> * error message is set </span>
<a name="l00338"></a>00338 <span class="comment"> */</span>
<a name="l00339"></a>00339 <span class="keywordflow">return</span> 1;
<a name="l00340"></a>00340 }
<a name="l00341"></a>00341 <span class="keywordflow">if</span> (datalen < typedlen) {
<a name="l00342"></a>00342 snprintf(ebuf, <span class="keyword">sizeof</span>(ebuf),
<a name="l00343"></a>00343 <span class="stringliteral">"%s: bad header, length too short: %lu < %lu"</span>, str,
<a name="l00344"></a>00344 (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)datalen, (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)typedlen);
<a name="l00345"></a>00345 ebuf[ <span class="keyword">sizeof</span>(ebuf)-1 ] = 0;
<a name="l00346"></a>00346 ERROR_MSG(ebuf);
<a name="l00347"></a>00347 <span class="keywordflow">return</span> 1;
<a name="l00348"></a>00348 }
<a name="l00349"></a>00349 <span class="keywordflow">return</span> 0;
<a name="l00350"></a>00350 }
<a name="l00351"></a>00351
<a name="l00363"></a>00363 <span class="keyword">static</span>
<a name="l00364"></a>00364 <span class="keywordtype">int</span>
<a name="l00365"></a>00365 _asn_realloc_build_header_check(<span class="keyword">const</span> <span class="keywordtype">char</span> *str,
<a name="l00366"></a>00366 u_char ** pkt,
<a name="l00367"></a>00367 <span class="keyword">const</span> <span class="keywordtype">size_t</span> * pkt_len, <span class="keywordtype">size_t</span> typedlen)
<a name="l00368"></a>00368 {
<a name="l00369"></a>00369 <span class="keywordtype">char</span> ebuf[128];
<a name="l00370"></a>00370
<a name="l00371"></a>00371 <span class="keywordflow">if</span> (pkt == NULL || *pkt == NULL) {
<a name="l00372"></a>00372 <span class="comment">/*</span>
<a name="l00373"></a>00373 <span class="comment"> * Error message is set. </span>
<a name="l00374"></a>00374 <span class="comment"> */</span>
<a name="l00375"></a>00375 <span class="keywordflow">return</span> 1;
<a name="l00376"></a>00376 }
<a name="l00377"></a>00377
<a name="l00378"></a>00378 <span class="keywordflow">if</span> (*pkt_len < typedlen) {
<a name="l00379"></a>00379 snprintf(ebuf, <span class="keyword">sizeof</span>(ebuf),
<a name="l00380"></a>00380 <span class="stringliteral">"%s: bad header, length too short: %lu < %lu"</span>, str,
<a name="l00381"></a>00381 (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)*pkt_len, (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)typedlen);
<a name="l00382"></a>00382 ebuf[ <span class="keyword">sizeof</span>(ebuf)-1 ] = 0;
<a name="l00383"></a>00383 ERROR_MSG(ebuf);
<a name="l00384"></a>00384 <span class="keywordflow">return</span> 1;
<a name="l00385"></a>00385 }
<a name="l00386"></a>00386 <span class="keywordflow">return</span> 0;
<a name="l00387"></a>00387 }
<a name="l00388"></a>00388
<a name="l00398"></a>00398 <span class="keywordtype">int</span>
<a name="l00399"></a>00399 asn_check_packet(u_char * pkt, <span class="keywordtype">size_t</span> len)
<a name="l00400"></a>00400 {
<a name="l00401"></a>00401 u_long asn_length;
<a name="l00402"></a>00402
<a name="l00403"></a>00403 <span class="keywordflow">if</span> (len < 2)
<a name="l00404"></a>00404 <span class="keywordflow">return</span> 0; <span class="comment">/* always too short */</span>
<a name="l00405"></a>00405
<a name="l00406"></a>00406 <span class="keywordflow">if</span> (*pkt != (u_char) (ASN_SEQUENCE | ASN_CONSTRUCTOR))
<a name="l00407"></a>00407 <span class="keywordflow">return</span> -1; <span class="comment">/* wrong type */</span>
<a name="l00408"></a>00408
<a name="l00409"></a>00409 <span class="keywordflow">if</span> (*(pkt + 1) & 0x80) {
<a name="l00410"></a>00410 <span class="comment">/*</span>
<a name="l00411"></a>00411 <span class="comment"> * long length </span>
<a name="l00412"></a>00412 <span class="comment"> */</span>
<a name="l00413"></a>00413 <span class="keywordflow">if</span> ((<span class="keywordtype">int</span>) len < (<span class="keywordtype">int</span>) (*(pkt + 1) & ~0x80) + 2)
<a name="l00414"></a>00414 <span class="keywordflow">return</span> 0; <span class="comment">/* still to short, incomplete length */</span>
<a name="l00415"></a>00415 asn_parse_length(pkt + 1, &asn_length);
<a name="l00416"></a>00416 <span class="keywordflow">return</span> (asn_length + 2 + (*(pkt + 1) & ~0x80));
<a name="l00417"></a>00417 } <span class="keywordflow">else</span> {
<a name="l00418"></a>00418 <span class="comment">/*</span>
<a name="l00419"></a>00419 <span class="comment"> * short length </span>
<a name="l00420"></a>00420 <span class="comment"> */</span>
<a name="l00421"></a>00421 <span class="keywordflow">return</span> (*(pkt + 1) + 2);
<a name="l00422"></a>00422 }
<a name="l00423"></a>00423 }
<a name="l00424"></a>00424
<a name="l00425"></a>00425 <span class="keyword">static</span>
<a name="l00426"></a>00426 <span class="keywordtype">int</span>
<a name="l00427"></a>00427 _asn_bitstring_check(<span class="keyword">const</span> <span class="keywordtype">char</span> *str, <span class="keywordtype">size_t</span> asn_length, u_char datum)
<a name="l00428"></a>00428 {
<a name="l00429"></a>00429 <span class="keywordtype">char</span> ebuf[128];
<a name="l00430"></a>00430
<a name="l00431"></a>00431 <span class="keywordflow">if</span> (asn_length < 1) {
<a name="l00432"></a>00432 snprintf(ebuf, <span class="keyword">sizeof</span>(ebuf),
<a name="l00433"></a>00433 <span class="stringliteral">"%s: length %d too small"</span>, str, (<span class="keywordtype">int</span>) asn_length);
<a name="l00434"></a>00434 ebuf[ <span class="keyword">sizeof</span>(ebuf)-1 ] = 0;
<a name="l00435"></a>00435 ERROR_MSG(ebuf);
<a name="l00436"></a>00436 <span class="keywordflow">return</span> 1;
<a name="l00437"></a>00437 }
<a name="l00438"></a>00438 <span class="comment">/*</span>
<a name="l00439"></a>00439 <span class="comment"> * if (datum > 7){</span>
<a name="l00440"></a>00440 <span class="comment"> * sprintf(ebuf,"%s: datum %d >7: too large", str, (int)(datum));</span>
<a name="l00441"></a>00441 <span class="comment"> * ERROR_MSG(ebuf);</span>
<a name="l00442"></a>00442 <span class="comment"> * return 1;</span>
<a name="l00443"></a>00443 <span class="comment"> * }</span>
<a name="l00444"></a>00444 <span class="comment"> */</span>
<a name="l00445"></a>00445 <span class="keywordflow">return</span> 0;
<a name="l00446"></a>00446 }
<a name="l00447"></a>00447
<a name="l00469"></a>00469 u_char *
<a name="l00470"></a>00470 asn_parse_int(u_char * data,
<a name="l00471"></a>00471 <span class="keywordtype">size_t</span> * datalength,
<a name="l00472"></a>00472 u_char * type, <span class="keywordtype">long</span> *intp, <span class="keywordtype">size_t</span> intsize)
<a name="l00473"></a>00473 {
<a name="l00474"></a>00474 <span class="comment">/*</span>
<a name="l00475"></a>00475 <span class="comment"> * ASN.1 integer ::= 0x02 asnlength byte {byte}*</span>
<a name="l00476"></a>00476 <span class="comment"> */</span>
<a name="l00477"></a>00477 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *errpre = <span class="stringliteral">"parse int"</span>;
<a name="l00478"></a>00478 <span class="keyword">register</span> u_char *bufp = data;
<a name="l00479"></a>00479 u_long asn_length;
<a name="l00480"></a>00480 <span class="keyword">register</span> <span class="keywordtype">long</span> value = 0;
<a name="l00481"></a>00481
<a name="l00482"></a>00482 <span class="keywordflow">if</span> (intsize != <span class="keyword">sizeof</span>(<span class="keywordtype">long</span>)) {
<a name="l00483"></a>00483 _asn_size_err(errpre, intsize, <span class="keyword">sizeof</span>(<span class="keywordtype">long</span>));
<a name="l00484"></a>00484 <span class="keywordflow">return</span> NULL;
<a name="l00485"></a>00485 }
<a name="l00486"></a>00486 *type = *bufp++;
<a name="l00487"></a>00487 bufp = asn_parse_length(bufp, &asn_length);
<a name="l00488"></a>00488 <span class="keywordflow">if</span> (_asn_parse_length_check
<a name="l00489"></a>00489 (errpre, bufp, data, asn_length, *datalength))
<a name="l00490"></a>00490 <span class="keywordflow">return</span> NULL;
<a name="l00491"></a>00491
<a name="l00492"></a>00492 <span class="keywordflow">if</span> ((<span class="keywordtype">size_t</span>) asn_length > intsize) {
<a name="l00493"></a>00493 _asn_length_err(errpre, (<span class="keywordtype">size_t</span>) asn_length, intsize);
<a name="l00494"></a>00494 <span class="keywordflow">return</span> NULL;
<a name="l00495"></a>00495 }
<a name="l00496"></a>00496
<a name="l00497"></a>00497 *datalength -= (int) asn_length + (bufp - data);
<a name="l00498"></a>00498 <span class="keywordflow">if</span> (*bufp & 0x80)
<a name="l00499"></a>00499 value = -1; <span class="comment">/* integer is negative */</span>
<a name="l00500"></a>00500
<a name="l00501"></a>00501 DEBUGDUMPSETUP(<span class="stringliteral">"recv"</span>, data, bufp - data + asn_length);
<a name="l00502"></a>00502
<a name="l00503"></a>00503 <span class="keywordflow">while</span> (asn_length--)
<a name="l00504"></a>00504 value = (value << 8) | *bufp++;
<a name="l00505"></a>00505
<a name="l00506"></a>00506 CHECK_OVERFLOW_S(value,1);
<a name="l00507"></a>00507
<a name="l00508"></a>00508 DEBUGMSG((<span class="stringliteral">"dumpv_recv"</span>, <span class="stringliteral">" Integer:\t%ld (0x%.2X)\n"</span>, value, value));
<a name="l00509"></a>00509
<a name="l00510"></a>00510 *intp = value;
<a name="l00511"></a>00511 <span class="keywordflow">return</span> bufp;
<a name="l00512"></a>00512 }
<a name="l00513"></a>00513
<a name="l00514"></a>00514
<a name="l00536"></a>00536 u_char *
<a name="l00537"></a>00537 asn_parse_unsigned_int(u_char * data,
<a name="l00538"></a>00538 <span class="keywordtype">size_t</span> * datalength,
<a name="l00539"></a>00539 u_char * type, u_long * intp, <span class="keywordtype">size_t</span> intsize)
<a name="l00540"></a>00540 {
<a name="l00541"></a>00541 <span class="comment">/*</span>
<a name="l00542"></a>00542 <span class="comment"> * ASN.1 integer ::= 0x02 asnlength byte {byte}*</span>
<a name="l00543"></a>00543 <span class="comment"> */</span>
<a name="l00544"></a>00544 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *errpre = <span class="stringliteral">"parse uint"</span>;
<a name="l00545"></a>00545 <span class="keyword">register</span> u_char *bufp = data;
<a name="l00546"></a>00546 u_long asn_length;
<a name="l00547"></a>00547 <span class="keyword">register</span> u_long value = 0;
<a name="l00548"></a>00548
<a name="l00549"></a>00549 <span class="keywordflow">if</span> (intsize != <span class="keyword">sizeof</span>(<span class="keywordtype">long</span>)) {
<a name="l00550"></a>00550 _asn_size_err(errpre, intsize, <span class="keyword">sizeof</span>(<span class="keywordtype">long</span>));
<a name="l00551"></a>00551 <span class="keywordflow">return</span> NULL;
<a name="l00552"></a>00552 }
<a name="l00553"></a>00553 *type = *bufp++;
<a name="l00554"></a>00554 bufp = asn_parse_length(bufp, &asn_length);
<a name="l00555"></a>00555 <span class="keywordflow">if</span> (_asn_parse_length_check
<a name="l00556"></a>00556 (errpre, bufp, data, asn_length, *datalength))
<a name="l00557"></a>00557 <span class="keywordflow">return</span> NULL;
<a name="l00558"></a>00558
<a name="l00559"></a>00559 <span class="keywordflow">if</span> (((<span class="keywordtype">int</span>) asn_length > (intsize + 1)) ||
<a name="l00560"></a>00560 (((<span class="keywordtype">int</span>) asn_length == intsize + 1) && *bufp != 0x00)) {
<a name="l00561"></a>00561 _asn_length_err(errpre, (<span class="keywordtype">size_t</span>) asn_length, intsize);
<a name="l00562"></a>00562 <span class="keywordflow">return</span> NULL;
<a name="l00563"></a>00563 }
<a name="l00564"></a>00564 *datalength -= (int) asn_length + (bufp - data);
<a name="l00565"></a>00565 <span class="keywordflow">if</span> (*bufp & 0x80)
<a name="l00566"></a>00566 value = ~value; <span class="comment">/* integer is negative */</span>
<a name="l00567"></a>00567
<a name="l00568"></a>00568 DEBUGDUMPSETUP(<span class="stringliteral">"recv"</span>, data, bufp - data + asn_length);
<a name="l00569"></a>00569
<a name="l00570"></a>00570 <span class="keywordflow">while</span> (asn_length--)
<a name="l00571"></a>00571 value = (value << 8) | *bufp++;
<a name="l00572"></a>00572
<a name="l00573"></a>00573 CHECK_OVERFLOW_U(value,2);
<a name="l00574"></a>00574
<a name="l00575"></a>00575 DEBUGMSG((<span class="stringliteral">"dumpv_recv"</span>, <span class="stringliteral">" UInteger:\t%ld (0x%.2X)\n"</span>, value, value));
<a name="l00576"></a>00576
<a name="l00577"></a>00577 *intp = value;
<a name="l00578"></a>00578 <span class="keywordflow">return</span> bufp;
<a name="l00579"></a>00579 }
<a name="l00580"></a>00580
<a name="l00581"></a>00581
<a name="l00605"></a>00605 u_char *
<a name="l00606"></a>00606 asn_build_int(u_char * data,
<a name="l00607"></a>00607 <span class="keywordtype">size_t</span> * datalength, u_char type, <span class="keyword">const</span> <span class="keywordtype">long</span> *intp, <span class="keywordtype">size_t</span> intsize)
<a name="l00608"></a>00608 {
<a name="l00609"></a>00609 <span class="comment">/*</span>
<a name="l00610"></a>00610 <span class="comment"> * ASN.1 integer ::= 0x02 asnlength byte {byte}*</span>
<a name="l00611"></a>00611 <span class="comment"> */</span>
<a name="l00612"></a>00612 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *errpre = <span class="stringliteral">"build int"</span>;
<a name="l00613"></a>00613 <span class="keyword">register</span> <span class="keywordtype">long</span> integer;
<a name="l00614"></a>00614 <span class="keyword">register</span> u_long mask;
<a name="l00615"></a>00615 <span class="preprocessor">#ifndef NETSNMP_NO_DEBUGGING</span>
<a name="l00616"></a>00616 <span class="preprocessor"></span> u_char *initdatap = data;
<a name="l00617"></a>00617 <span class="preprocessor">#endif</span>
<a name="l00618"></a>00618 <span class="preprocessor"></span>
<a name="l00619"></a>00619 <span class="keywordflow">if</span> (intsize != <span class="keyword">sizeof</span>(<span class="keywordtype">long</span>)) {
<a name="l00620"></a>00620 _asn_size_err(errpre, intsize, <span class="keyword">sizeof</span>(<span class="keywordtype">long</span>));
<a name="l00621"></a>00621 <span class="keywordflow">return</span> NULL;
<a name="l00622"></a>00622 }
<a name="l00623"></a>00623 integer = *intp;
<a name="l00624"></a>00624 CHECK_OVERFLOW_S(integer,3);
<a name="l00625"></a>00625 <span class="comment">/*</span>
<a name="l00626"></a>00626 <span class="comment"> * Truncate "unnecessary" bytes off of the most significant end of this</span>
<a name="l00627"></a>00627 <span class="comment"> * 2's complement integer. There should be no sequence of 9</span>
<a name="l00628"></a>00628 <span class="comment"> * consecutive 1's or 0's at the most significant end of the</span>
<a name="l00629"></a>00629 <span class="comment"> * integer.</span>
<a name="l00630"></a>00630 <span class="comment"> */</span>
<a name="l00631"></a>00631 mask = ((u_long) 0x1FF) << ((8 * (<span class="keyword">sizeof</span>(long) - 1)) - 1);
<a name="l00632"></a>00632 <span class="comment">/*</span>
<a name="l00633"></a>00633 <span class="comment"> * mask is 0xFF800000 on a big-endian machine </span>
<a name="l00634"></a>00634 <span class="comment"> */</span>
<a name="l00635"></a>00635 <span class="keywordflow">while</span> ((((integer & mask) == 0) || ((integer & mask) == mask))
<a name="l00636"></a>00636 && intsize > 1) {
<a name="l00637"></a>00637 intsize--;
<a name="l00638"></a>00638 integer <<= 8;
<a name="l00639"></a>00639 }
<a name="l00640"></a>00640 data = asn_build_header(data, datalength, type, intsize);
<a name="l00641"></a>00641 <span class="keywordflow">if</span> (_asn_build_header_check(errpre, data, *datalength, intsize))
<a name="l00642"></a>00642 <span class="keywordflow">return</span> NULL;
<a name="l00643"></a>00643
<a name="l00644"></a>00644 *datalength -= intsize;
<a name="l00645"></a>00645 mask = ((u_long) 0xFF) << (8 * (<span class="keyword">sizeof</span>(long) - 1));
<a name="l00646"></a>00646 <span class="comment">/*</span>
<a name="l00647"></a>00647 <span class="comment"> * mask is 0xFF000000 on a big-endian machine </span>
<a name="l00648"></a>00648 <span class="comment"> */</span>
<a name="l00649"></a>00649 <span class="keywordflow">while</span> (intsize--) {
<a name="l00650"></a>00650 *data++ = (u_char) ((integer & mask) >> (8 * (<span class="keyword">sizeof</span>(long) - 1)));
<a name="l00651"></a>00651 integer <<= 8;
<a name="l00652"></a>00652 }
<a name="l00653"></a>00653 DEBUGDUMPSETUP(<span class="stringliteral">"send"</span>, initdatap, data - initdatap);
<a name="l00654"></a>00654 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">" Integer:\t%ld (0x%.2X)\n"</span>, *intp, *intp));
<a name="l00655"></a>00655 <span class="keywordflow">return</span> data;
<a name="l00656"></a>00656 }
<a name="l00657"></a>00657
<a name="l00658"></a>00658
<a name="l00659"></a>00659
<a name="l00683"></a>00683 u_char *
<a name="l00684"></a>00684 asn_build_unsigned_int(u_char * data,
<a name="l00685"></a>00685 <span class="keywordtype">size_t</span> * datalength,
<a name="l00686"></a>00686 u_char type, <span class="keyword">const</span> u_long * intp, <span class="keywordtype">size_t</span> intsize)
<a name="l00687"></a>00687 {
<a name="l00688"></a>00688 <span class="comment">/*</span>
<a name="l00689"></a>00689 <span class="comment"> * ASN.1 integer ::= 0x02 asnlength byte {byte}*</span>
<a name="l00690"></a>00690 <span class="comment"> */</span>
<a name="l00691"></a>00691 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *errpre = <span class="stringliteral">"build uint"</span>;
<a name="l00692"></a>00692 <span class="keyword">register</span> u_long integer;
<a name="l00693"></a>00693 <span class="keyword">register</span> u_long mask;
<a name="l00694"></a>00694 <span class="keywordtype">int</span> add_null_byte = 0;
<a name="l00695"></a>00695 <span class="preprocessor">#ifndef NETSNMP_NO_DEBUGGING</span>
<a name="l00696"></a>00696 <span class="preprocessor"></span> u_char *initdatap = data;
<a name="l00697"></a>00697 <span class="preprocessor">#endif</span>
<a name="l00698"></a>00698 <span class="preprocessor"></span>
<a name="l00699"></a>00699 <span class="keywordflow">if</span> (intsize != <span class="keyword">sizeof</span>(<span class="keywordtype">long</span>)) {
<a name="l00700"></a>00700 _asn_size_err(errpre, intsize, <span class="keyword">sizeof</span>(<span class="keywordtype">long</span>));
<a name="l00701"></a>00701 <span class="keywordflow">return</span> NULL;
<a name="l00702"></a>00702 }
<a name="l00703"></a>00703 integer = *intp;
<a name="l00704"></a>00704 CHECK_OVERFLOW_U(integer,4);
<a name="l00705"></a>00705
<a name="l00706"></a>00706 mask = ((u_long) 0xFF) << (8 * (<span class="keyword">sizeof</span>(long) - 1));
<a name="l00707"></a>00707 <span class="comment">/*</span>
<a name="l00708"></a>00708 <span class="comment"> * mask is 0xFF000000 on a big-endian machine </span>
<a name="l00709"></a>00709 <span class="comment"> */</span>
<a name="l00710"></a>00710 <span class="keywordflow">if</span> ((u_char) ((integer & mask) >> (8 * (<span class="keyword">sizeof</span>(<span class="keywordtype">long</span>) - 1))) & 0x80) {
<a name="l00711"></a>00711 <span class="comment">/*</span>
<a name="l00712"></a>00712 <span class="comment"> * if MSB is set </span>
<a name="l00713"></a>00713 <span class="comment"> */</span>
<a name="l00714"></a>00714 add_null_byte = 1;
<a name="l00715"></a>00715 intsize++;
<a name="l00716"></a>00716 } <span class="keywordflow">else</span> {
<a name="l00717"></a>00717 <span class="comment">/*</span>
<a name="l00718"></a>00718 <span class="comment"> * Truncate "unnecessary" bytes off of the most significant end of this 2's complement integer.</span>
<a name="l00719"></a>00719 <span class="comment"> * There should be no sequence of 9 consecutive 1's or 0's at the most significant end of the</span>
<a name="l00720"></a>00720 <span class="comment"> * integer.</span>
<a name="l00721"></a>00721 <span class="comment"> */</span>
<a name="l00722"></a>00722 mask = ((u_long) 0x1FF) << ((8 * (<span class="keyword">sizeof</span>(long) - 1)) - 1);
<a name="l00723"></a>00723 <span class="comment">/*</span>
<a name="l00724"></a>00724 <span class="comment"> * mask is 0xFF800000 on a big-endian machine </span>
<a name="l00725"></a>00725 <span class="comment"> */</span>
<a name="l00726"></a>00726 <span class="keywordflow">while</span> ((((integer & mask) == 0) || ((integer & mask) == mask))
<a name="l00727"></a>00727 && intsize > 1) {
<a name="l00728"></a>00728 intsize--;
<a name="l00729"></a>00729 integer <<= 8;
<a name="l00730"></a>00730 }
<a name="l00731"></a>00731 }
<a name="l00732"></a>00732 data = asn_build_header(data, datalength, type, intsize);
<a name="l00733"></a>00733 <span class="keywordflow">if</span> (_asn_build_header_check(errpre, data, *datalength, intsize))
<a name="l00734"></a>00734 <span class="keywordflow">return</span> NULL;
<a name="l00735"></a>00735
<a name="l00736"></a>00736 *datalength -= intsize;
<a name="l00737"></a>00737 <span class="keywordflow">if</span> (add_null_byte == 1) {
<a name="l00738"></a>00738 *data++ = <span class="charliteral">'\0'</span>;
<a name="l00739"></a>00739 intsize--;
<a name="l00740"></a>00740 }
<a name="l00741"></a>00741 mask = ((u_long) 0xFF) << (8 * (<span class="keyword">sizeof</span>(long) - 1));
<a name="l00742"></a>00742 <span class="comment">/*</span>
<a name="l00743"></a>00743 <span class="comment"> * mask is 0xFF000000 on a big-endian machine </span>
<a name="l00744"></a>00744 <span class="comment"> */</span>
<a name="l00745"></a>00745 <span class="keywordflow">while</span> (intsize--) {
<a name="l00746"></a>00746 *data++ = (u_char) ((integer & mask) >> (8 * (<span class="keyword">sizeof</span>(long) - 1)));
<a name="l00747"></a>00747 integer <<= 8;
<a name="l00748"></a>00748 }
<a name="l00749"></a>00749 DEBUGDUMPSETUP(<span class="stringliteral">"send"</span>, initdatap, data - initdatap);
<a name="l00750"></a>00750 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">" UInteger:\t%ld (0x%.2X)\n"</span>, *intp, *intp));
<a name="l00751"></a>00751 <span class="keywordflow">return</span> data;
<a name="l00752"></a>00752 }
<a name="l00753"></a>00753
<a name="l00754"></a>00754
<a name="l00783"></a>00783 u_char *
<a name="l00784"></a>00784 asn_parse_string(u_char * data,
<a name="l00785"></a>00785 <span class="keywordtype">size_t</span> * datalength,
<a name="l00786"></a>00786 u_char * type, u_char * str, <span class="keywordtype">size_t</span> * strlength)
<a name="l00787"></a>00787 {
<a name="l00788"></a>00788 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *errpre = <span class="stringliteral">"parse string"</span>;
<a name="l00789"></a>00789 u_char *bufp = data;
<a name="l00790"></a>00790 u_long asn_length;
<a name="l00791"></a>00791
<a name="l00792"></a>00792 *type = *bufp++;
<a name="l00793"></a>00793 bufp = asn_parse_length(bufp, &asn_length);
<a name="l00794"></a>00794 <span class="keywordflow">if</span> (_asn_parse_length_check
<a name="l00795"></a>00795 (errpre, bufp, data, asn_length, *datalength)) {
<a name="l00796"></a>00796 <span class="keywordflow">return</span> NULL;
<a name="l00797"></a>00797 }
<a name="l00798"></a>00798
<a name="l00799"></a>00799 <span class="keywordflow">if</span> ((<span class="keywordtype">int</span>) asn_length > *strlength) {
<a name="l00800"></a>00800 _asn_length_err(errpre, (<span class="keywordtype">size_t</span>) asn_length, *strlength);
<a name="l00801"></a>00801 <span class="keywordflow">return</span> NULL;
<a name="l00802"></a>00802 }
<a name="l00803"></a>00803
<a name="l00804"></a>00804 DEBUGDUMPSETUP(<span class="stringliteral">"recv"</span>, data, bufp - data + asn_length);
<a name="l00805"></a>00805
<a name="l00806"></a>00806 memmove(str, bufp, asn_length);
<a name="l00807"></a>00807 <span class="keywordflow">if</span> (*strlength > (<span class="keywordtype">int</span>) asn_length)
<a name="l00808"></a>00808 str[asn_length] = 0;
<a name="l00809"></a>00809 *strlength = (int) asn_length;
<a name="l00810"></a>00810 *datalength -= (int) asn_length + (bufp - data);
<a name="l00811"></a>00811
<a name="l00812"></a>00812 DEBUGIF(<span class="stringliteral">"dumpv_recv"</span>) {
<a name="l00813"></a>00813 u_char *buf = (u_char *) malloc(1 + asn_length);
<a name="l00814"></a>00814 <span class="keywordtype">size_t</span> l = (buf != NULL) ? (1 + asn_length) : 0, ol = 0;
<a name="l00815"></a>00815
<a name="l00816"></a>00816 <span class="keywordflow">if</span> (<a class="code" href="group__mib__utilities.html#ga7ff1971fc340b2789d48895086bf3230" title="Prints an ascii string into a buffer.">sprint_realloc_asciistring</a>
<a name="l00817"></a>00817 (&buf, &l, &ol, 1, str, asn_length)) {
<a name="l00818"></a>00818 DEBUGMSG((<span class="stringliteral">"dumpv_recv"</span>, <span class="stringliteral">" String:\t%s\n"</span>, buf));
<a name="l00819"></a>00819 } <span class="keywordflow">else</span> {
<a name="l00820"></a>00820 <span class="keywordflow">if</span> (buf == NULL) {
<a name="l00821"></a>00821 DEBUGMSG((<span class="stringliteral">"dumpv_recv"</span>, <span class="stringliteral">" String:\t[TRUNCATED]\n"</span>));
<a name="l00822"></a>00822 } <span class="keywordflow">else</span> {
<a name="l00823"></a>00823 DEBUGMSG((<span class="stringliteral">"dumpv_recv"</span>, <span class="stringliteral">" String:\t%s [TRUNCATED]\n"</span>,
<a name="l00824"></a>00824 buf));
<a name="l00825"></a>00825 }
<a name="l00826"></a>00826 }
<a name="l00827"></a>00827 <span class="keywordflow">if</span> (buf != NULL) {
<a name="l00828"></a>00828 free(buf);
<a name="l00829"></a>00829 }
<a name="l00830"></a>00830 }
<a name="l00831"></a>00831
<a name="l00832"></a>00832 <span class="keywordflow">return</span> bufp + asn_length;
<a name="l00833"></a>00833 }
<a name="l00834"></a>00834
<a name="l00835"></a>00835
<a name="l00858"></a>00858 u_char *
<a name="l00859"></a>00859 asn_build_string(u_char * data,
<a name="l00860"></a>00860 <span class="keywordtype">size_t</span> * datalength,
<a name="l00861"></a>00861 u_char type, <span class="keyword">const</span> u_char * str, <span class="keywordtype">size_t</span> strlength)
<a name="l00862"></a>00862 {
<a name="l00863"></a>00863 <span class="comment">/*</span>
<a name="l00864"></a>00864 <span class="comment"> * ASN.1 octet string ::= primstring | cmpdstring</span>
<a name="l00865"></a>00865 <span class="comment"> * primstring ::= 0x04 asnlength byte {byte}*</span>
<a name="l00866"></a>00866 <span class="comment"> * cmpdstring ::= 0x24 asnlength string {string}*</span>
<a name="l00867"></a>00867 <span class="comment"> * This code will never send a compound string.</span>
<a name="l00868"></a>00868 <span class="comment"> */</span>
<a name="l00869"></a>00869 <span class="preprocessor">#ifndef NETSNMP_NO_DEBUGGING</span>
<a name="l00870"></a>00870 <span class="preprocessor"></span> u_char *initdatap = data;
<a name="l00871"></a>00871 <span class="preprocessor">#endif</span>
<a name="l00872"></a>00872 <span class="preprocessor"></span> data = asn_build_header(data, datalength, type, strlength);
<a name="l00873"></a>00873 <span class="keywordflow">if</span> (_asn_build_header_check
<a name="l00874"></a>00874 (<span class="stringliteral">"build string"</span>, data, *datalength, strlength))
<a name="l00875"></a>00875 <span class="keywordflow">return</span> NULL;
<a name="l00876"></a>00876
<a name="l00877"></a>00877 <span class="keywordflow">if</span> (strlength) {
<a name="l00878"></a>00878 <span class="keywordflow">if</span> (str == NULL) {
<a name="l00879"></a>00879 memset(data, 0, strlength);
<a name="l00880"></a>00880 } <span class="keywordflow">else</span> {
<a name="l00881"></a>00881 memmove(data, str, strlength);
<a name="l00882"></a>00882 }
<a name="l00883"></a>00883 }
<a name="l00884"></a>00884 *datalength -= strlength;
<a name="l00885"></a>00885 DEBUGDUMPSETUP(<span class="stringliteral">"send"</span>, initdatap, data - initdatap + strlength);
<a name="l00886"></a>00886 DEBUGIF(<span class="stringliteral">"dumpv_send"</span>) {
<a name="l00887"></a>00887 u_char *buf = (u_char *) malloc(1 + strlength);
<a name="l00888"></a>00888 <span class="keywordtype">size_t</span> l = (buf != NULL) ? (1 + strlength) : 0, ol = 0;
<a name="l00889"></a>00889
<a name="l00890"></a>00890 <span class="keywordflow">if</span> (<a class="code" href="group__mib__utilities.html#ga7ff1971fc340b2789d48895086bf3230" title="Prints an ascii string into a buffer.">sprint_realloc_asciistring</a>
<a name="l00891"></a>00891 (&buf, &l, &ol, 1, str, strlength)) {
<a name="l00892"></a>00892 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">" String:\t%s\n"</span>, buf));
<a name="l00893"></a>00893 } <span class="keywordflow">else</span> {
<a name="l00894"></a>00894 <span class="keywordflow">if</span> (buf == NULL) {
<a name="l00895"></a>00895 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">" String:\t[TRUNCATED]\n"</span>));
<a name="l00896"></a>00896 } <span class="keywordflow">else</span> {
<a name="l00897"></a>00897 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">" String:\t%s [TRUNCATED]\n"</span>,
<a name="l00898"></a>00898 buf));
<a name="l00899"></a>00899 }
<a name="l00900"></a>00900 }
<a name="l00901"></a>00901 <span class="keywordflow">if</span> (buf != NULL) {
<a name="l00902"></a>00902 free(buf);
<a name="l00903"></a>00903 }
<a name="l00904"></a>00904 }
<a name="l00905"></a>00905 <span class="keywordflow">return</span> data + strlength;
<a name="l00906"></a>00906 }
<a name="l00907"></a>00907
<a name="l00908"></a>00908
<a name="l00909"></a>00909
<a name="l00929"></a>00929 u_char *
<a name="l00930"></a>00930 asn_parse_header(u_char * data, <span class="keywordtype">size_t</span> * datalength, u_char * type)
<a name="l00931"></a>00931 {
<a name="l00932"></a>00932 <span class="keyword">register</span> u_char *bufp;
<a name="l00933"></a>00933 u_long asn_length;
<a name="l00934"></a>00934
<a name="l00935"></a>00935 <span class="keywordflow">if</span> (!data || !datalength || !type) {
<a name="l00936"></a>00936 ERROR_MSG(<span class="stringliteral">"parse header: NULL pointer"</span>);
<a name="l00937"></a>00937 <span class="keywordflow">return</span> NULL;
<a name="l00938"></a>00938 }
<a name="l00939"></a>00939 bufp = data;
<a name="l00940"></a>00940 <span class="comment">/*</span>
<a name="l00941"></a>00941 <span class="comment"> * this only works on data types < 30, i.e. no extension octets </span>
<a name="l00942"></a>00942 <span class="comment"> */</span>
<a name="l00943"></a>00943 <span class="keywordflow">if</span> (IS_EXTENSION_ID(*bufp)) {
<a name="l00944"></a>00944 ERROR_MSG(<span class="stringliteral">"can't process ID >= 30"</span>);
<a name="l00945"></a>00945 <span class="keywordflow">return</span> NULL;
<a name="l00946"></a>00946 }
<a name="l00947"></a>00947 *type = *bufp;
<a name="l00948"></a>00948 bufp = asn_parse_length(bufp + 1, &asn_length);
<a name="l00949"></a>00949
<a name="l00950"></a>00950 <span class="keywordflow">if</span> (_asn_parse_length_check
<a name="l00951"></a>00951 (<span class="stringliteral">"parse header"</span>, bufp, data, asn_length, *datalength))
<a name="l00952"></a>00952 <span class="keywordflow">return</span> NULL;
<a name="l00953"></a>00953
<a name="l00954"></a>00954 <span class="preprocessor">#ifdef DUMP_PRINT_HEADERS</span>
<a name="l00955"></a>00955 <span class="preprocessor"></span> DEBUGDUMPSETUP(<span class="stringliteral">"recv"</span>, data, (bufp - data));
<a name="l00956"></a>00956 DEBUGMSG((<span class="stringliteral">"dumpv_recv"</span>, <span class="stringliteral">" Header: 0x%.2X, len = %d (0x%X)\n"</span>, *data,
<a name="l00957"></a>00957 asn_length, asn_length));
<a name="l00958"></a>00958 <span class="preprocessor">#else</span>
<a name="l00959"></a>00959 <span class="preprocessor"></span> <span class="comment">/*</span>
<a name="l00960"></a>00960 <span class="comment"> * DEBUGMSGHEXTLI(("recv",data,(bufp-data)));</span>
<a name="l00961"></a>00961 <span class="comment"> * DEBUGMSG(("dumpH_recv","\n"));</span>
<a name="l00962"></a>00962 <span class="comment"> */</span>
<a name="l00963"></a>00963 <span class="preprocessor">#endif</span>
<a name="l00964"></a>00964 <span class="preprocessor"></span>
<a name="l00965"></a>00965 <span class="preprocessor">#ifdef NETSNMP_WITH_OPAQUE_SPECIAL_TYPES</span>
<a name="l00966"></a>00966 <span class="preprocessor"></span>
<a name="l00967"></a>00967 <span class="keywordflow">if</span> ((*type == ASN_OPAQUE) && (*bufp == ASN_OPAQUE_TAG1)) {
<a name="l00968"></a>00968
<a name="l00969"></a>00969 <span class="comment">/*</span>
<a name="l00970"></a>00970 <span class="comment"> * check if 64-but counter </span>
<a name="l00971"></a>00971 <span class="comment"> */</span>
<a name="l00972"></a>00972 <span class="keywordflow">switch</span> (*(bufp + 1)) {
<a name="l00973"></a>00973 <span class="keywordflow">case</span> ASN_OPAQUE_COUNTER64:
<a name="l00974"></a>00974 <span class="keywordflow">case</span> ASN_OPAQUE_U64:
<a name="l00975"></a>00975 <span class="keywordflow">case</span> ASN_OPAQUE_FLOAT:
<a name="l00976"></a>00976 <span class="keywordflow">case</span> ASN_OPAQUE_DOUBLE:
<a name="l00977"></a>00977 <span class="keywordflow">case</span> ASN_OPAQUE_I64:
<a name="l00978"></a>00978 *type = *(bufp + 1);
<a name="l00979"></a>00979 <span class="keywordflow">break</span>;
<a name="l00980"></a>00980
<a name="l00981"></a>00981 <span class="keywordflow">default</span>:
<a name="l00982"></a>00982 <span class="comment">/*</span>
<a name="l00983"></a>00983 <span class="comment"> * just an Opaque </span>
<a name="l00984"></a>00984 <span class="comment"> */</span>
<a name="l00985"></a>00985 *datalength = (int) asn_length;
<a name="l00986"></a>00986 <span class="keywordflow">return</span> bufp;
<a name="l00987"></a>00987 }
<a name="l00988"></a>00988 <span class="comment">/*</span>
<a name="l00989"></a>00989 <span class="comment"> * value is encoded as special format </span>
<a name="l00990"></a>00990 <span class="comment"> */</span>
<a name="l00991"></a>00991 bufp = asn_parse_length(bufp + 2, &asn_length);
<a name="l00992"></a>00992 <span class="keywordflow">if</span> (_asn_parse_length_check(<span class="stringliteral">"parse opaque header"</span>, bufp, data,
<a name="l00993"></a>00993 asn_length, *datalength))
<a name="l00994"></a>00994 <span class="keywordflow">return</span> NULL;
<a name="l00995"></a>00995 }
<a name="l00996"></a>00996 <span class="preprocessor">#endif </span><span class="comment">/* NETSNMP_WITH_OPAQUE_SPECIAL_TYPES */</span>
<a name="l00997"></a>00997
<a name="l00998"></a>00998 *datalength = (int) asn_length;
<a name="l00999"></a>00999
<a name="l01000"></a>01000 <span class="keywordflow">return</span> bufp;
<a name="l01001"></a>01001 }
<a name="l01002"></a>01002
<a name="l01017"></a>01017 u_char *
<a name="l01018"></a>01018 asn_parse_sequence(u_char * data, <span class="keywordtype">size_t</span> * datalength, u_char * type, u_char expected_type, <span class="comment">/* must be this type */</span>
<a name="l01019"></a>01019 <span class="keyword">const</span> <span class="keywordtype">char</span> *estr)
<a name="l01020"></a>01020 { <span class="comment">/* error message prefix */</span>
<a name="l01021"></a>01021 data = asn_parse_header(data, datalength, type);
<a name="l01022"></a>01022 <span class="keywordflow">if</span> (data && (*type != expected_type)) {
<a name="l01023"></a>01023 <span class="keywordtype">char</span> ebuf[128];
<a name="l01024"></a>01024 snprintf(ebuf, <span class="keyword">sizeof</span>(ebuf),
<a name="l01025"></a>01025 <span class="stringliteral">"%s header type %02X: s/b %02X"</span>, estr,
<a name="l01026"></a>01026 (u_char) * type, (u_char) expected_type);
<a name="l01027"></a>01027 ebuf[ <span class="keyword">sizeof</span>(ebuf)-1 ] = 0;
<a name="l01028"></a>01028 ERROR_MSG(ebuf);
<a name="l01029"></a>01029 <span class="keywordflow">return</span> NULL;
<a name="l01030"></a>01030 }
<a name="l01031"></a>01031 <span class="keywordflow">return</span> data;
<a name="l01032"></a>01032 }
<a name="l01033"></a>01033
<a name="l01034"></a>01034
<a name="l01035"></a>01035
<a name="l01058"></a>01058 u_char *
<a name="l01059"></a>01059 asn_build_header(u_char * data,
<a name="l01060"></a>01060 <span class="keywordtype">size_t</span> * datalength, u_char type, <span class="keywordtype">size_t</span> length)
<a name="l01061"></a>01061 {
<a name="l01062"></a>01062 <span class="keywordtype">char</span> ebuf[128];
<a name="l01063"></a>01063
<a name="l01064"></a>01064 <span class="keywordflow">if</span> (*datalength < 1) {
<a name="l01065"></a>01065 snprintf(ebuf, <span class="keyword">sizeof</span>(ebuf),
<a name="l01066"></a>01066 <span class="stringliteral">"bad header length < 1 :%lu, %lu"</span>,
<a name="l01067"></a>01067 (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)*datalength, (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)length);
<a name="l01068"></a>01068 ebuf[ <span class="keyword">sizeof</span>(ebuf)-1 ] = 0;
<a name="l01069"></a>01069 ERROR_MSG(ebuf);
<a name="l01070"></a>01070 <span class="keywordflow">return</span> NULL;
<a name="l01071"></a>01071 }
<a name="l01072"></a>01072 *data++ = type;
<a name="l01073"></a>01073 (*datalength)--;
<a name="l01074"></a>01074 <span class="keywordflow">return</span> asn_build_length(data, datalength, length);
<a name="l01075"></a>01075 }
<a name="l01076"></a>01076
<a name="l01100"></a>01100 u_char *
<a name="l01101"></a>01101 asn_build_sequence(u_char * data,
<a name="l01102"></a>01102 <span class="keywordtype">size_t</span> * datalength, u_char type, <span class="keywordtype">size_t</span> length)
<a name="l01103"></a>01103 {
<a name="l01104"></a>01104 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *errpre = <span class="stringliteral">"build seq"</span>;
<a name="l01105"></a>01105 <span class="keywordtype">char</span> ebuf[128];
<a name="l01106"></a>01106
<a name="l01107"></a>01107 <span class="keywordflow">if</span> (*datalength < 4) {
<a name="l01108"></a>01108 snprintf(ebuf, <span class="keyword">sizeof</span>(ebuf),
<a name="l01109"></a>01109 <span class="stringliteral">"%s: length %d < 4: PUNT"</span>, errpre,
<a name="l01110"></a>01110 (<span class="keywordtype">int</span>) *datalength);
<a name="l01111"></a>01111 ebuf[ <span class="keyword">sizeof</span>(ebuf)-1 ] = 0;
<a name="l01112"></a>01112 ERROR_MSG(ebuf);
<a name="l01113"></a>01113 <span class="keywordflow">return</span> NULL;
<a name="l01114"></a>01114 }
<a name="l01115"></a>01115 *datalength -= 4;
<a name="l01116"></a>01116 *data++ = type;
<a name="l01117"></a>01117 *data++ = (u_char) (0x02 | ASN_LONG_LEN);
<a name="l01118"></a>01118 *data++ = (u_char) ((length >> 8) & 0xFF);
<a name="l01119"></a>01119 *data++ = (u_char) (length & 0xFF);
<a name="l01120"></a>01120 <span class="keywordflow">return</span> data;
<a name="l01121"></a>01121 }
<a name="l01122"></a>01122
<a name="l01140"></a>01140 u_char *
<a name="l01141"></a>01141 asn_parse_length(u_char * data, u_long * length)
<a name="l01142"></a>01142 {
<a name="l01143"></a>01143 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *errpre = <span class="stringliteral">"parse length"</span>;
<a name="l01144"></a>01144 <span class="keywordtype">char</span> ebuf[128];
<a name="l01145"></a>01145 <span class="keyword">register</span> u_char lengthbyte;
<a name="l01146"></a>01146
<a name="l01147"></a>01147 <span class="keywordflow">if</span> (!data || !length) {
<a name="l01148"></a>01148 ERROR_MSG(<span class="stringliteral">"parse length: NULL pointer"</span>);
<a name="l01149"></a>01149 <span class="keywordflow">return</span> NULL;
<a name="l01150"></a>01150 }
<a name="l01151"></a>01151 lengthbyte = *data;
<a name="l01152"></a>01152
<a name="l01153"></a>01153 <span class="keywordflow">if</span> (lengthbyte & ASN_LONG_LEN) {
<a name="l01154"></a>01154 lengthbyte &= ~ASN_LONG_LEN; <span class="comment">/* turn MSb off */</span>
<a name="l01155"></a>01155 <span class="keywordflow">if</span> (lengthbyte == 0) {
<a name="l01156"></a>01156 snprintf(ebuf, <span class="keyword">sizeof</span>(ebuf),
<a name="l01157"></a>01157 <span class="stringliteral">"%s: indefinite length not supported"</span>, errpre);
<a name="l01158"></a>01158 ebuf[ <span class="keyword">sizeof</span>(ebuf)-1 ] = 0;
<a name="l01159"></a>01159 ERROR_MSG(ebuf);
<a name="l01160"></a>01160 <span class="keywordflow">return</span> NULL;
<a name="l01161"></a>01161 }
<a name="l01162"></a>01162 <span class="keywordflow">if</span> (lengthbyte > <span class="keyword">sizeof</span>(<span class="keywordtype">long</span>)) {
<a name="l01163"></a>01163 snprintf(ebuf, <span class="keyword">sizeof</span>(ebuf),
<a name="l01164"></a>01164 <span class="stringliteral">"%s: data length %d > %lu not supported"</span>, errpre,
<a name="l01165"></a>01165 lengthbyte, (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)<span class="keyword">sizeof</span>(<span class="keywordtype">long</span>));
<a name="l01166"></a>01166 ebuf[ <span class="keyword">sizeof</span>(ebuf)-1 ] = 0;
<a name="l01167"></a>01167 ERROR_MSG(ebuf);
<a name="l01168"></a>01168 <span class="keywordflow">return</span> NULL;
<a name="l01169"></a>01169 }
<a name="l01170"></a>01170 data++;
<a name="l01171"></a>01171 *length = 0; <span class="comment">/* protect against short lengths */</span>
<a name="l01172"></a>01172 <span class="keywordflow">while</span> (lengthbyte--) {
<a name="l01173"></a>01173 *length <<= 8;
<a name="l01174"></a>01174 *length |= *data++;
<a name="l01175"></a>01175 }
<a name="l01176"></a>01176 <span class="keywordflow">if</span> ((<span class="keywordtype">long</span>) *length < 0) {
<a name="l01177"></a>01177 snprintf(ebuf, <span class="keyword">sizeof</span>(ebuf),
<a name="l01178"></a>01178 <span class="stringliteral">"%s: negative data length %ld\n"</span>, errpre,
<a name="l01179"></a>01179 (<span class="keywordtype">long</span>) *length);
<a name="l01180"></a>01180 ebuf[ <span class="keyword">sizeof</span>(ebuf)-1 ] = 0;
<a name="l01181"></a>01181 ERROR_MSG(ebuf);
<a name="l01182"></a>01182 <span class="keywordflow">return</span> NULL;
<a name="l01183"></a>01183 }
<a name="l01184"></a>01184 <span class="keywordflow">return</span> data;
<a name="l01185"></a>01185 } <span class="keywordflow">else</span> { <span class="comment">/* short asnlength */</span>
<a name="l01186"></a>01186 *length = (long) lengthbyte;
<a name="l01187"></a>01187 <span class="keywordflow">return</span> data + 1;
<a name="l01188"></a>01188 }
<a name="l01189"></a>01189 }
<a name="l01190"></a>01190
<a name="l01211"></a>01211 u_char *
<a name="l01212"></a>01212 asn_build_length(u_char * data, <span class="keywordtype">size_t</span> * datalength, <span class="keywordtype">size_t</span> length)
<a name="l01213"></a>01213 {
<a name="l01214"></a>01214 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *errpre = <span class="stringliteral">"build length"</span>;
<a name="l01215"></a>01215 <span class="keywordtype">char</span> ebuf[128];
<a name="l01216"></a>01216
<a name="l01217"></a>01217 u_char *start_data = data;
<a name="l01218"></a>01218
<a name="l01219"></a>01219 <span class="comment">/*</span>
<a name="l01220"></a>01220 <span class="comment"> * no indefinite lengths sent </span>
<a name="l01221"></a>01221 <span class="comment"> */</span>
<a name="l01222"></a>01222 <span class="keywordflow">if</span> (length < 0x80) {
<a name="l01223"></a>01223 <span class="keywordflow">if</span> (*datalength < 1) {
<a name="l01224"></a>01224 snprintf(ebuf, <span class="keyword">sizeof</span>(ebuf),
<a name="l01225"></a>01225 <span class="stringliteral">"%s: bad length < 1 :%lu, %lu"</span>, errpre,
<a name="l01226"></a>01226 (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)*datalength, (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)length);
<a name="l01227"></a>01227 ebuf[ <span class="keyword">sizeof</span>(ebuf)-1 ] = 0;
<a name="l01228"></a>01228 ERROR_MSG(ebuf);
<a name="l01229"></a>01229 <span class="keywordflow">return</span> NULL;
<a name="l01230"></a>01230 }
<a name="l01231"></a>01231 *data++ = (u_char) length;
<a name="l01232"></a>01232 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (length <= 0xFF) {
<a name="l01233"></a>01233 <span class="keywordflow">if</span> (*datalength < 2) {
<a name="l01234"></a>01234 snprintf(ebuf, <span class="keyword">sizeof</span>(ebuf),
<a name="l01235"></a>01235 <span class="stringliteral">"%s: bad length < 2 :%lu, %lu"</span>, errpre,
<a name="l01236"></a>01236 (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)*datalength, (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)length);
<a name="l01237"></a>01237 ebuf[ <span class="keyword">sizeof</span>(ebuf)-1 ] = 0;
<a name="l01238"></a>01238 ERROR_MSG(ebuf);
<a name="l01239"></a>01239 <span class="keywordflow">return</span> NULL;
<a name="l01240"></a>01240 }
<a name="l01241"></a>01241 *data++ = (u_char) (0x01 | ASN_LONG_LEN);
<a name="l01242"></a>01242 *data++ = (u_char) length;
<a name="l01243"></a>01243 } <span class="keywordflow">else</span> { <span class="comment">/* 0xFF < length <= 0xFFFF */</span>
<a name="l01244"></a>01244 <span class="keywordflow">if</span> (*datalength < 3) {
<a name="l01245"></a>01245 snprintf(ebuf, <span class="keyword">sizeof</span>(ebuf),
<a name="l01246"></a>01246 <span class="stringliteral">"%s: bad length < 3 :%lu, %lu"</span>, errpre,
<a name="l01247"></a>01247 (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)*datalength, (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)length);
<a name="l01248"></a>01248 ebuf[ <span class="keyword">sizeof</span>(ebuf)-1 ] = 0;
<a name="l01249"></a>01249 ERROR_MSG(ebuf);
<a name="l01250"></a>01250 <span class="keywordflow">return</span> NULL;
<a name="l01251"></a>01251 }
<a name="l01252"></a>01252 *data++ = (u_char) (0x02 | ASN_LONG_LEN);
<a name="l01253"></a>01253 *data++ = (u_char) ((length >> 8) & 0xFF);
<a name="l01254"></a>01254 *data++ = (u_char) (length & 0xFF);
<a name="l01255"></a>01255 }
<a name="l01256"></a>01256 *datalength -= (data - start_data);
<a name="l01257"></a>01257 <span class="keywordflow">return</span> data;
<a name="l01258"></a>01258
<a name="l01259"></a>01259 }
<a name="l01260"></a>01260
<a name="l01286"></a>01286 u_char *
<a name="l01287"></a>01287 asn_parse_objid(u_char * data,
<a name="l01288"></a>01288 <span class="keywordtype">size_t</span> * datalength,
<a name="l01289"></a>01289 u_char * type, oid * objid, <span class="keywordtype">size_t</span> * objidlength)
<a name="l01290"></a>01290 {
<a name="l01291"></a>01291 <span class="comment">/*</span>
<a name="l01292"></a>01292 <span class="comment"> * ASN.1 objid ::= 0x06 asnlength subidentifier {subidentifier}*</span>
<a name="l01293"></a>01293 <span class="comment"> * subidentifier ::= {leadingbyte}* lastbyte</span>
<a name="l01294"></a>01294 <span class="comment"> * leadingbyte ::= 1 7bitvalue</span>
<a name="l01295"></a>01295 <span class="comment"> * lastbyte ::= 0 7bitvalue</span>
<a name="l01296"></a>01296 <span class="comment"> */</span>
<a name="l01297"></a>01297 <span class="keyword">register</span> u_char *bufp = data;
<a name="l01298"></a>01298 <span class="keyword">register</span> oid *oidp = objid + 1;
<a name="l01299"></a>01299 <span class="keyword">register</span> u_long subidentifier;
<a name="l01300"></a>01300 <span class="keyword">register</span> <span class="keywordtype">long</span> length;
<a name="l01301"></a>01301 u_long asn_length;
<a name="l01302"></a>01302
<a name="l01303"></a>01303 *type = *bufp++;
<a name="l01304"></a>01304 bufp = asn_parse_length(bufp, &asn_length);
<a name="l01305"></a>01305 <span class="keywordflow">if</span> (_asn_parse_length_check(<span class="stringliteral">"parse objid"</span>, bufp, data,
<a name="l01306"></a>01306 asn_length, *datalength))
<a name="l01307"></a>01307 <span class="keywordflow">return</span> NULL;
<a name="l01308"></a>01308
<a name="l01309"></a>01309 *datalength -= (int) asn_length + (bufp - data);
<a name="l01310"></a>01310
<a name="l01311"></a>01311 DEBUGDUMPSETUP(<span class="stringliteral">"recv"</span>, data, bufp - data + asn_length);
<a name="l01312"></a>01312
<a name="l01313"></a>01313 <span class="comment">/*</span>
<a name="l01314"></a>01314 <span class="comment"> * Handle invalid object identifier encodings of the form 06 00 robustly </span>
<a name="l01315"></a>01315 <span class="comment"> */</span>
<a name="l01316"></a>01316 <span class="keywordflow">if</span> (asn_length == 0)
<a name="l01317"></a>01317 objid[0] = objid[1] = 0;
<a name="l01318"></a>01318
<a name="l01319"></a>01319 length = asn_length;
<a name="l01320"></a>01320 (*objidlength)--; <span class="comment">/* account for expansion of first byte */</span>
<a name="l01321"></a>01321
<a name="l01322"></a>01322 <span class="keywordflow">while</span> (length > 0 && (*objidlength)-- > 0) {
<a name="l01323"></a>01323 subidentifier = 0;
<a name="l01324"></a>01324 <span class="keywordflow">do</span> { <span class="comment">/* shift and add in low order 7 bits */</span>
<a name="l01325"></a>01325 subidentifier =
<a name="l01326"></a>01326 (subidentifier << 7) + (*(u_char *) bufp & ~ASN_BIT8);
<a name="l01327"></a>01327 length--;
<a name="l01328"></a>01328 } <span class="keywordflow">while</span> (*(u_char *) bufp++ & ASN_BIT8); <span class="comment">/* last byte has high bit clear */</span>
<a name="l01329"></a>01329
<a name="l01330"></a>01330 <span class="preprocessor">#if defined(EIGHTBIT_SUBIDS) || (SIZEOF_LONG != 4)</span>
<a name="l01331"></a>01331 <span class="preprocessor"></span> <span class="keywordflow">if</span> (subidentifier > (u_long) MAX_SUBID) {
<a name="l01332"></a>01332 ERROR_MSG(<span class="stringliteral">"subidentifier too large"</span>);
<a name="l01333"></a>01333 <span class="keywordflow">return</span> NULL;
<a name="l01334"></a>01334 }
<a name="l01335"></a>01335 <span class="preprocessor">#endif</span>
<a name="l01336"></a>01336 <span class="preprocessor"></span> *oidp++ = (oid) subidentifier;
<a name="l01337"></a>01337 }
<a name="l01338"></a>01338
<a name="l01339"></a>01339 <span class="keywordflow">if</span> (0 != length) {
<a name="l01340"></a>01340 ERROR_MSG(<span class="stringliteral">"OID length exceeds buffer size"</span>);
<a name="l01341"></a>01341 <span class="keywordflow">return</span> NULL;
<a name="l01342"></a>01342 }
<a name="l01343"></a>01343
<a name="l01344"></a>01344 <span class="comment">/*</span>
<a name="l01345"></a>01345 <span class="comment"> * The first two subidentifiers are encoded into the first component</span>
<a name="l01346"></a>01346 <span class="comment"> * with the value (X * 40) + Y, where:</span>
<a name="l01347"></a>01347 <span class="comment"> * X is the value of the first subidentifier.</span>
<a name="l01348"></a>01348 <span class="comment"> * Y is the value of the second subidentifier.</span>
<a name="l01349"></a>01349 <span class="comment"> */</span>
<a name="l01350"></a>01350 subidentifier = (u_long) objid[1];
<a name="l01351"></a>01351 <span class="keywordflow">if</span> (subidentifier == 0x2B) {
<a name="l01352"></a>01352 objid[0] = 1;
<a name="l01353"></a>01353 objid[1] = 3;
<a name="l01354"></a>01354 } <span class="keywordflow">else</span> {
<a name="l01355"></a>01355 <span class="keywordflow">if</span> (subidentifier < 40) {
<a name="l01356"></a>01356 objid[0] = 0;
<a name="l01357"></a>01357 objid[1] = subidentifier;
<a name="l01358"></a>01358 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (subidentifier < 80) {
<a name="l01359"></a>01359 objid[0] = 1;
<a name="l01360"></a>01360 objid[1] = subidentifier - 40;
<a name="l01361"></a>01361 } <span class="keywordflow">else</span> {
<a name="l01362"></a>01362 objid[0] = 2;
<a name="l01363"></a>01363 objid[1] = subidentifier - 80;
<a name="l01364"></a>01364 }
<a name="l01365"></a>01365 }
<a name="l01366"></a>01366
<a name="l01367"></a>01367 *objidlength = (int) (oidp - objid);
<a name="l01368"></a>01368
<a name="l01369"></a>01369 DEBUGMSG((<span class="stringliteral">"dumpv_recv"</span>, <span class="stringliteral">" ObjID: "</span>));
<a name="l01370"></a>01370 DEBUGMSGOID((<span class="stringliteral">"dumpv_recv"</span>, objid, *objidlength));
<a name="l01371"></a>01371 DEBUGMSG((<span class="stringliteral">"dumpv_recv"</span>, <span class="stringliteral">"\n"</span>));
<a name="l01372"></a>01372 <span class="keywordflow">return</span> bufp;
<a name="l01373"></a>01373 }
<a name="l01374"></a>01374
<a name="l01398"></a>01398 u_char *
<a name="l01399"></a>01399 asn_build_objid(u_char * data,
<a name="l01400"></a>01400 <span class="keywordtype">size_t</span> * datalength,
<a name="l01401"></a>01401 u_char type, oid * objid, <span class="keywordtype">size_t</span> objidlength)
<a name="l01402"></a>01402 {
<a name="l01403"></a>01403 <span class="comment">/*</span>
<a name="l01404"></a>01404 <span class="comment"> * ASN.1 objid ::= 0x06 asnlength subidentifier {subidentifier}*</span>
<a name="l01405"></a>01405 <span class="comment"> * subidentifier ::= {leadingbyte}* lastbyte</span>
<a name="l01406"></a>01406 <span class="comment"> * leadingbyte ::= 1 7bitvalue</span>
<a name="l01407"></a>01407 <span class="comment"> * lastbyte ::= 0 7bitvalue</span>
<a name="l01408"></a>01408 <span class="comment"> */</span>
<a name="l01409"></a>01409 <span class="keywordtype">size_t</span> asnlength;
<a name="l01410"></a>01410 <span class="keyword">register</span> oid *op = objid;
<a name="l01411"></a>01411 u_char objid_size[MAX_OID_LEN];
<a name="l01412"></a>01412 <span class="keyword">register</span> u_long objid_val;
<a name="l01413"></a>01413 u_long first_objid_val;
<a name="l01414"></a>01414 <span class="keyword">register</span> <span class="keywordtype">int</span> i;
<a name="l01415"></a>01415 <span class="preprocessor">#ifndef NETSNMP_NO_DEBUGGING</span>
<a name="l01416"></a>01416 <span class="preprocessor"></span> u_char *initdatap = data;
<a name="l01417"></a>01417 <span class="preprocessor">#endif</span>
<a name="l01418"></a>01418 <span class="preprocessor"></span>
<a name="l01419"></a>01419 <span class="comment">/*</span>
<a name="l01420"></a>01420 <span class="comment"> * check if there are at least 2 sub-identifiers </span>
<a name="l01421"></a>01421 <span class="comment"> */</span>
<a name="l01422"></a>01422 <span class="keywordflow">if</span> (objidlength == 0) {
<a name="l01423"></a>01423 <span class="comment">/*</span>
<a name="l01424"></a>01424 <span class="comment"> * there are not, so make OID have two with value of zero </span>
<a name="l01425"></a>01425 <span class="comment"> */</span>
<a name="l01426"></a>01426 objid_val = 0;
<a name="l01427"></a>01427 objidlength = 2;
<a name="l01428"></a>01428 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (objid[0] > 2) {
<a name="l01429"></a>01429 ERROR_MSG(<span class="stringliteral">"build objid: bad first subidentifier"</span>);
<a name="l01430"></a>01430 <span class="keywordflow">return</span> NULL;
<a name="l01431"></a>01431 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (objidlength == 1) {
<a name="l01432"></a>01432 <span class="comment">/*</span>
<a name="l01433"></a>01433 <span class="comment"> * encode the first value </span>
<a name="l01434"></a>01434 <span class="comment"> */</span>
<a name="l01435"></a>01435 objid_val = (op[0] * 40);
<a name="l01436"></a>01436 objidlength = 2;
<a name="l01437"></a>01437 op++;
<a name="l01438"></a>01438 } <span class="keywordflow">else</span> {
<a name="l01439"></a>01439 <span class="comment">/*</span>
<a name="l01440"></a>01440 <span class="comment"> * combine the first two values </span>
<a name="l01441"></a>01441 <span class="comment"> */</span>
<a name="l01442"></a>01442 <span class="keywordflow">if</span> ((op[1] > 40) &&
<a name="l01443"></a>01443 (op[0] < 2)) {
<a name="l01444"></a>01444 ERROR_MSG(<span class="stringliteral">"build objid: bad second subidentifier"</span>);
<a name="l01445"></a>01445 <span class="keywordflow">return</span> NULL;
<a name="l01446"></a>01446 }
<a name="l01447"></a>01447 objid_val = (op[0] * 40) + op[1];
<a name="l01448"></a>01448 op += 2;
<a name="l01449"></a>01449 }
<a name="l01450"></a>01450 first_objid_val = objid_val;
<a name="l01451"></a>01451
<a name="l01452"></a>01452 <span class="comment">/*</span>
<a name="l01453"></a>01453 <span class="comment"> * ditch illegal calls now </span>
<a name="l01454"></a>01454 <span class="comment"> */</span>
<a name="l01455"></a>01455 <span class="keywordflow">if</span> (objidlength > MAX_OID_LEN)
<a name="l01456"></a>01456 <span class="keywordflow">return</span> NULL;
<a name="l01457"></a>01457
<a name="l01458"></a>01458 <span class="comment">/*</span>
<a name="l01459"></a>01459 <span class="comment"> * calculate the number of bytes needed to store the encoded value </span>
<a name="l01460"></a>01460 <span class="comment"> */</span>
<a name="l01461"></a>01461 <span class="keywordflow">for</span> (i = 1, asnlength = 0;;) {
<a name="l01462"></a>01462
<a name="l01463"></a>01463 CHECK_OVERFLOW_U(objid_val,5);
<a name="l01464"></a>01464 <span class="keywordflow">if</span> (objid_val < (<span class="keywordtype">unsigned</span>) 0x80) {
<a name="l01465"></a>01465 objid_size[i] = 1;
<a name="l01466"></a>01466 asnlength += 1;
<a name="l01467"></a>01467 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (objid_val < (<span class="keywordtype">unsigned</span>) 0x4000) {
<a name="l01468"></a>01468 objid_size[i] = 2;
<a name="l01469"></a>01469 asnlength += 2;
<a name="l01470"></a>01470 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (objid_val < (<span class="keywordtype">unsigned</span>) 0x200000) {
<a name="l01471"></a>01471 objid_size[i] = 3;
<a name="l01472"></a>01472 asnlength += 3;
<a name="l01473"></a>01473 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (objid_val < (<span class="keywordtype">unsigned</span>) 0x10000000) {
<a name="l01474"></a>01474 objid_size[i] = 4;
<a name="l01475"></a>01475 asnlength += 4;
<a name="l01476"></a>01476 } <span class="keywordflow">else</span> {
<a name="l01477"></a>01477 objid_size[i] = 5;
<a name="l01478"></a>01478 asnlength += 5;
<a name="l01479"></a>01479 }
<a name="l01480"></a>01480 i++;
<a name="l01481"></a>01481 <span class="keywordflow">if</span> (i >= (<span class="keywordtype">int</span>) objidlength)
<a name="l01482"></a>01482 <span class="keywordflow">break</span>;
<a name="l01483"></a>01483 objid_val = *op++; <span class="comment">/* XXX - doesn't handle 2.X (X > 40) */</span>
<a name="l01484"></a>01484 }
<a name="l01485"></a>01485
<a name="l01486"></a>01486 <span class="comment">/*</span>
<a name="l01487"></a>01487 <span class="comment"> * store the ASN.1 tag and length </span>
<a name="l01488"></a>01488 <span class="comment"> */</span>
<a name="l01489"></a>01489 data = asn_build_header(data, datalength, type, asnlength);
<a name="l01490"></a>01490 <span class="keywordflow">if</span> (_asn_build_header_check
<a name="l01491"></a>01491 (<span class="stringliteral">"build objid"</span>, data, *datalength, asnlength))
<a name="l01492"></a>01492 <span class="keywordflow">return</span> NULL;
<a name="l01493"></a>01493
<a name="l01494"></a>01494 <span class="comment">/*</span>
<a name="l01495"></a>01495 <span class="comment"> * store the encoded OID value </span>
<a name="l01496"></a>01496 <span class="comment"> */</span>
<a name="l01497"></a>01497 <span class="keywordflow">for</span> (i = 1, objid_val = first_objid_val, op = objid + 2;
<a name="l01498"></a>01498 i < (int) objidlength; i++) {
<a name="l01499"></a>01499 <span class="keywordflow">if</span> (i != 1) {
<a name="l01500"></a>01500 objid_val = *op++;
<a name="l01501"></a>01501 <span class="preprocessor">#if SIZEOF_LONG != 4</span>
<a name="l01502"></a>01502 <span class="preprocessor"></span> <span class="keywordflow">if</span> (objid_val > 0xffffffff) <span class="comment">/* already logged warning above */</span>
<a name="l01503"></a>01503 objid_val &= 0xffffffff;
<a name="l01504"></a>01504 <span class="preprocessor">#endif</span>
<a name="l01505"></a>01505 <span class="preprocessor"></span> }
<a name="l01506"></a>01506 <span class="keywordflow">switch</span> (objid_size[i]) {
<a name="l01507"></a>01507 <span class="keywordflow">case</span> 1:
<a name="l01508"></a>01508 *data++ = (u_char) objid_val;
<a name="l01509"></a>01509 <span class="keywordflow">break</span>;
<a name="l01510"></a>01510
<a name="l01511"></a>01511 <span class="keywordflow">case</span> 2:
<a name="l01512"></a>01512 *data++ = (u_char) ((objid_val >> 7) | 0x80);
<a name="l01513"></a>01513 *data++ = (u_char) (objid_val & 0x07f);
<a name="l01514"></a>01514 <span class="keywordflow">break</span>;
<a name="l01515"></a>01515
<a name="l01516"></a>01516 <span class="keywordflow">case</span> 3:
<a name="l01517"></a>01517 *data++ = (u_char) ((objid_val >> 14) | 0x80);
<a name="l01518"></a>01518 *data++ = (u_char) ((objid_val >> 7 & 0x7f) | 0x80);
<a name="l01519"></a>01519 *data++ = (u_char) (objid_val & 0x07f);
<a name="l01520"></a>01520 <span class="keywordflow">break</span>;
<a name="l01521"></a>01521
<a name="l01522"></a>01522 <span class="keywordflow">case</span> 4:
<a name="l01523"></a>01523 *data++ = (u_char) ((objid_val >> 21) | 0x80);
<a name="l01524"></a>01524 *data++ = (u_char) ((objid_val >> 14 & 0x7f) | 0x80);
<a name="l01525"></a>01525 *data++ = (u_char) ((objid_val >> 7 & 0x7f) | 0x80);
<a name="l01526"></a>01526 *data++ = (u_char) (objid_val & 0x07f);
<a name="l01527"></a>01527 <span class="keywordflow">break</span>;
<a name="l01528"></a>01528
<a name="l01529"></a>01529 <span class="keywordflow">case</span> 5:
<a name="l01530"></a>01530 *data++ = (u_char) ((objid_val >> 28) | 0x80);
<a name="l01531"></a>01531 *data++ = (u_char) ((objid_val >> 21 & 0x7f) | 0x80);
<a name="l01532"></a>01532 *data++ = (u_char) ((objid_val >> 14 & 0x7f) | 0x80);
<a name="l01533"></a>01533 *data++ = (u_char) ((objid_val >> 7 & 0x7f) | 0x80);
<a name="l01534"></a>01534 *data++ = (u_char) (objid_val & 0x07f);
<a name="l01535"></a>01535 <span class="keywordflow">break</span>;
<a name="l01536"></a>01536 }
<a name="l01537"></a>01537 }
<a name="l01538"></a>01538
<a name="l01539"></a>01539 <span class="comment">/*</span>
<a name="l01540"></a>01540 <span class="comment"> * return the length and data ptr </span>
<a name="l01541"></a>01541 <span class="comment"> */</span>
<a name="l01542"></a>01542 *datalength -= asnlength;
<a name="l01543"></a>01543 DEBUGDUMPSETUP(<span class="stringliteral">"send"</span>, initdatap, data - initdatap);
<a name="l01544"></a>01544 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">" ObjID: "</span>));
<a name="l01545"></a>01545 DEBUGMSGOID((<span class="stringliteral">"dumpv_send"</span>, objid, objidlength));
<a name="l01546"></a>01546 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">"\n"</span>));
<a name="l01547"></a>01547 <span class="keywordflow">return</span> data;
<a name="l01548"></a>01548 }
<a name="l01549"></a>01549
<a name="l01569"></a>01569 u_char *
<a name="l01570"></a>01570 asn_parse_null(u_char * data, <span class="keywordtype">size_t</span> * datalength, u_char * type)
<a name="l01571"></a>01571 {
<a name="l01572"></a>01572 <span class="comment">/*</span>
<a name="l01573"></a>01573 <span class="comment"> * ASN.1 null ::= 0x05 0x00</span>
<a name="l01574"></a>01574 <span class="comment"> */</span>
<a name="l01575"></a>01575 <span class="keyword">register</span> u_char *bufp = data;
<a name="l01576"></a>01576 u_long asn_length;
<a name="l01577"></a>01577
<a name="l01578"></a>01578 *type = *bufp++;
<a name="l01579"></a>01579 bufp = asn_parse_length(bufp, &asn_length);
<a name="l01580"></a>01580 <span class="keywordflow">if</span> (bufp == NULL) {
<a name="l01581"></a>01581 ERROR_MSG(<span class="stringliteral">"parse null: bad length"</span>);
<a name="l01582"></a>01582 <span class="keywordflow">return</span> NULL;
<a name="l01583"></a>01583 }
<a name="l01584"></a>01584 <span class="keywordflow">if</span> (asn_length != 0) {
<a name="l01585"></a>01585 ERROR_MSG(<span class="stringliteral">"parse null: malformed ASN.1 null"</span>);
<a name="l01586"></a>01586 <span class="keywordflow">return</span> NULL;
<a name="l01587"></a>01587 }
<a name="l01588"></a>01588
<a name="l01589"></a>01589 *datalength -= (bufp - data);
<a name="l01590"></a>01590
<a name="l01591"></a>01591 DEBUGDUMPSETUP(<span class="stringliteral">"recv"</span>, data, bufp - data);
<a name="l01592"></a>01592 DEBUGMSG((<span class="stringliteral">"dumpv_recv"</span>, <span class="stringliteral">" NULL\n"</span>));
<a name="l01593"></a>01593
<a name="l01594"></a>01594 <span class="keywordflow">return</span> bufp + asn_length;
<a name="l01595"></a>01595 }
<a name="l01596"></a>01596
<a name="l01597"></a>01597
<a name="l01618"></a>01618 u_char *
<a name="l01619"></a>01619 asn_build_null(u_char * data, <span class="keywordtype">size_t</span> * datalength, u_char type)
<a name="l01620"></a>01620 {
<a name="l01621"></a>01621 <span class="comment">/*</span>
<a name="l01622"></a>01622 <span class="comment"> * ASN.1 null ::= 0x05 0x00</span>
<a name="l01623"></a>01623 <span class="comment"> */</span>
<a name="l01624"></a>01624 <span class="preprocessor">#ifndef NETSNMP_NO_DEBUGGING</span>
<a name="l01625"></a>01625 <span class="preprocessor"></span> u_char *initdatap = data;
<a name="l01626"></a>01626 <span class="preprocessor">#endif</span>
<a name="l01627"></a>01627 <span class="preprocessor"></span> data = asn_build_header(data, datalength, type, 0);
<a name="l01628"></a>01628 DEBUGDUMPSETUP(<span class="stringliteral">"send"</span>, initdatap, data - initdatap);
<a name="l01629"></a>01629 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">" NULL\n"</span>));
<a name="l01630"></a>01630 <span class="keywordflow">return</span> data;
<a name="l01631"></a>01631 }
<a name="l01632"></a>01632
<a name="l01656"></a>01656 u_char *
<a name="l01657"></a>01657 asn_parse_bitstring(u_char * data,
<a name="l01658"></a>01658 <span class="keywordtype">size_t</span> * datalength,
<a name="l01659"></a>01659 u_char * type, u_char * str, <span class="keywordtype">size_t</span> * strlength)
<a name="l01660"></a>01660 {
<a name="l01661"></a>01661 <span class="comment">/*</span>
<a name="l01662"></a>01662 <span class="comment"> * bitstring ::= 0x03 asnlength unused {byte}*</span>
<a name="l01663"></a>01663 <span class="comment"> */</span>
<a name="l01664"></a>01664 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *errpre = <span class="stringliteral">"parse bitstring"</span>;
<a name="l01665"></a>01665 <span class="keyword">register</span> u_char *bufp = data;
<a name="l01666"></a>01666 u_long asn_length;
<a name="l01667"></a>01667
<a name="l01668"></a>01668 *type = *bufp++;
<a name="l01669"></a>01669 bufp = asn_parse_length(bufp, &asn_length);
<a name="l01670"></a>01670 <span class="keywordflow">if</span> (_asn_parse_length_check(errpre, bufp, data,
<a name="l01671"></a>01671 asn_length, *datalength))
<a name="l01672"></a>01672 <span class="keywordflow">return</span> NULL;
<a name="l01673"></a>01673
<a name="l01674"></a>01674 <span class="keywordflow">if</span> ((<span class="keywordtype">size_t</span>) asn_length > *strlength) {
<a name="l01675"></a>01675 _asn_length_err(errpre, (<span class="keywordtype">size_t</span>) asn_length, *strlength);
<a name="l01676"></a>01676 <span class="keywordflow">return</span> NULL;
<a name="l01677"></a>01677 }
<a name="l01678"></a>01678 <span class="keywordflow">if</span> (_asn_bitstring_check(errpre, asn_length, *bufp))
<a name="l01679"></a>01679 <span class="keywordflow">return</span> NULL;
<a name="l01680"></a>01680
<a name="l01681"></a>01681 DEBUGDUMPSETUP(<span class="stringliteral">"recv"</span>, data, bufp - data);
<a name="l01682"></a>01682 DEBUGMSG((<span class="stringliteral">"dumpv_recv"</span>, <span class="stringliteral">" Bitstring: "</span>));
<a name="l01683"></a>01683 DEBUGMSGHEX((<span class="stringliteral">"dumpv_recv"</span>, data, asn_length));
<a name="l01684"></a>01684 DEBUGMSG((<span class="stringliteral">"dumpv_recv"</span>, <span class="stringliteral">"\n"</span>));
<a name="l01685"></a>01685
<a name="l01686"></a>01686 memmove(str, bufp, asn_length);
<a name="l01687"></a>01687 *strlength = (int) asn_length;
<a name="l01688"></a>01688 *datalength -= (int) asn_length + (bufp - data);
<a name="l01689"></a>01689 <span class="keywordflow">return</span> bufp + asn_length;
<a name="l01690"></a>01690 }
<a name="l01691"></a>01691
<a name="l01692"></a>01692
<a name="l01715"></a>01715 u_char *
<a name="l01716"></a>01716 asn_build_bitstring(u_char * data,
<a name="l01717"></a>01717 <span class="keywordtype">size_t</span> * datalength,
<a name="l01718"></a>01718 u_char type, <span class="keyword">const</span> u_char * str, <span class="keywordtype">size_t</span> strlength)
<a name="l01719"></a>01719 {
<a name="l01720"></a>01720 <span class="comment">/*</span>
<a name="l01721"></a>01721 <span class="comment"> * ASN.1 bit string ::= 0x03 asnlength unused {byte}*</span>
<a name="l01722"></a>01722 <span class="comment"> */</span>
<a name="l01723"></a>01723 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *errpre = <span class="stringliteral">"build bitstring"</span>;
<a name="l01724"></a>01724 <span class="keywordflow">if</span> (_asn_bitstring_check
<a name="l01725"></a>01725 (errpre, strlength, (u_char)((str) ? *str : 0)))
<a name="l01726"></a>01726 <span class="keywordflow">return</span> NULL;
<a name="l01727"></a>01727
<a name="l01728"></a>01728 data = asn_build_header(data, datalength, type, strlength);
<a name="l01729"></a>01729 <span class="keywordflow">if</span> (_asn_build_header_check(errpre, data, *datalength, strlength))
<a name="l01730"></a>01730 <span class="keywordflow">return</span> NULL;
<a name="l01731"></a>01731
<a name="l01732"></a>01732 <span class="keywordflow">if</span> (strlength > 0 && str)
<a name="l01733"></a>01733 memmove(data, str, strlength);
<a name="l01734"></a>01734 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strlength > 0 && !str) {
<a name="l01735"></a>01735 ERROR_MSG(<span class="stringliteral">"no string passed into asn_build_bitstring\n"</span>);
<a name="l01736"></a>01736 <span class="keywordflow">return</span> NULL;
<a name="l01737"></a>01737 }
<a name="l01738"></a>01738
<a name="l01739"></a>01739 *datalength -= strlength;
<a name="l01740"></a>01740 DEBUGDUMPSETUP(<span class="stringliteral">"send"</span>, data, strlength);
<a name="l01741"></a>01741 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">" Bitstring: "</span>));
<a name="l01742"></a>01742 DEBUGMSGHEX((<span class="stringliteral">"dumpv_send"</span>, data, strlength));
<a name="l01743"></a>01743 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">"\n"</span>));
<a name="l01744"></a>01744 <span class="keywordflow">return</span> data + strlength;
<a name="l01745"></a>01745 }
<a name="l01746"></a>01746
<a name="l01769"></a>01769 u_char *
<a name="l01770"></a>01770 asn_parse_unsigned_int64(u_char * data,
<a name="l01771"></a>01771 <span class="keywordtype">size_t</span> * datalength,
<a name="l01772"></a>01772 u_char * type,
<a name="l01773"></a>01773 <span class="keyword">struct</span> <a class="code" href="structcounter64.html">counter64</a> * cp, <span class="keywordtype">size_t</span> countersize)
<a name="l01774"></a>01774 {
<a name="l01775"></a>01775 <span class="comment">/*</span>
<a name="l01776"></a>01776 <span class="comment"> * ASN.1 integer ::= 0x02 asnlength byte {byte}*</span>
<a name="l01777"></a>01777 <span class="comment"> */</span>
<a name="l01778"></a>01778 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *errpre = <span class="stringliteral">"parse uint64"</span>;
<a name="l01779"></a>01779 <span class="keyword">const</span> <span class="keywordtype">int</span> uint64sizelimit = (4 * 2) + 1;
<a name="l01780"></a>01780 <span class="keyword">register</span> u_char *bufp = data;
<a name="l01781"></a>01781 u_long asn_length;
<a name="l01782"></a>01782 <span class="keyword">register</span> u_long low = 0, high = 0;
<a name="l01783"></a>01783
<a name="l01784"></a>01784 <span class="keywordflow">if</span> (countersize != <span class="keyword">sizeof</span>(<span class="keyword">struct</span> <a class="code" href="structcounter64.html">counter64</a>)) {
<a name="l01785"></a>01785 _asn_size_err(errpre, countersize, <span class="keyword">sizeof</span>(<span class="keyword">struct</span> <a class="code" href="structcounter64.html">counter64</a>));
<a name="l01786"></a>01786 <span class="keywordflow">return</span> NULL;
<a name="l01787"></a>01787 }
<a name="l01788"></a>01788 *type = *bufp++;
<a name="l01789"></a>01789 bufp = asn_parse_length(bufp, &asn_length);
<a name="l01790"></a>01790 <span class="keywordflow">if</span> (_asn_parse_length_check
<a name="l01791"></a>01791 (errpre, bufp, data, asn_length, *datalength))
<a name="l01792"></a>01792 <span class="keywordflow">return</span> NULL;
<a name="l01793"></a>01793
<a name="l01794"></a>01794 DEBUGDUMPSETUP(<span class="stringliteral">"recv"</span>, data, bufp - data);
<a name="l01795"></a>01795 <span class="preprocessor">#ifdef NETSNMP_WITH_OPAQUE_SPECIAL_TYPES</span>
<a name="l01796"></a>01796 <span class="preprocessor"></span> <span class="comment">/*</span>
<a name="l01797"></a>01797 <span class="comment"> * 64 bit counters as opaque </span>
<a name="l01798"></a>01798 <span class="comment"> */</span>
<a name="l01799"></a>01799 <span class="keywordflow">if</span> ((*type == ASN_OPAQUE) &&
<a name="l01800"></a>01800 (asn_length <= ASN_OPAQUE_COUNTER64_MX_BER_LEN) &&
<a name="l01801"></a>01801 (*bufp == ASN_OPAQUE_TAG1) &&
<a name="l01802"></a>01802 ((*(bufp + 1) == ASN_OPAQUE_COUNTER64) ||
<a name="l01803"></a>01803 (*(bufp + 1) == ASN_OPAQUE_U64))) {
<a name="l01804"></a>01804 <span class="comment">/*</span>
<a name="l01805"></a>01805 <span class="comment"> * change type to Counter64 or U64 </span>
<a name="l01806"></a>01806 <span class="comment"> */</span>
<a name="l01807"></a>01807 *type = *(bufp + 1);
<a name="l01808"></a>01808 <span class="comment">/*</span>
<a name="l01809"></a>01809 <span class="comment"> * value is encoded as special format </span>
<a name="l01810"></a>01810 <span class="comment"> */</span>
<a name="l01811"></a>01811 bufp = asn_parse_length(bufp + 2, &asn_length);
<a name="l01812"></a>01812 <span class="keywordflow">if</span> (_asn_parse_length_check(<span class="stringliteral">"parse opaque uint64"</span>, bufp, data,
<a name="l01813"></a>01813 asn_length, *datalength))
<a name="l01814"></a>01814 <span class="keywordflow">return</span> NULL;
<a name="l01815"></a>01815 }
<a name="l01816"></a>01816 <span class="preprocessor">#endif </span><span class="comment">/* NETSNMP_WITH_OPAQUE_SPECIAL_TYPES */</span>
<a name="l01817"></a>01817 <span class="keywordflow">if</span> (((<span class="keywordtype">int</span>) asn_length > uint64sizelimit) ||
<a name="l01818"></a>01818 (((<span class="keywordtype">int</span>) asn_length == uint64sizelimit) && *bufp != 0x00)) {
<a name="l01819"></a>01819 _asn_length_err(errpre, (<span class="keywordtype">size_t</span>) asn_length, uint64sizelimit);
<a name="l01820"></a>01820 <span class="keywordflow">return</span> NULL;
<a name="l01821"></a>01821 }
<a name="l01822"></a>01822 *datalength -= (int) asn_length + (bufp - data);
<a name="l01823"></a>01823 <span class="keywordflow">if</span> (*bufp & 0x80) {
<a name="l01824"></a>01824 low = 0xFFFFFF; <span class="comment">/* first byte bit 1 means start the data with 1s */</span>
<a name="l01825"></a>01825 high = 0xFFFFFF;
<a name="l01826"></a>01826 }
<a name="l01827"></a>01827
<a name="l01828"></a>01828 <span class="keywordflow">while</span> (asn_length--) {
<a name="l01829"></a>01829 high = ((0x00FFFFFF & high) << 8) | ((low & 0xFF000000) >> 24);
<a name="l01830"></a>01830 low = ((low & 0x00FFFFFF) << 8) | *bufp++;
<a name="l01831"></a>01831 }
<a name="l01832"></a>01832
<a name="l01833"></a>01833 CHECK_OVERFLOW_U(high,6);
<a name="l01834"></a>01834 CHECK_OVERFLOW_U(low,6);
<a name="l01835"></a>01835
<a name="l01836"></a>01836 cp->low = low;
<a name="l01837"></a>01837 cp->high = high;
<a name="l01838"></a>01838
<a name="l01839"></a>01839 DEBUGIF(<span class="stringliteral">"dumpv_recv"</span>) {
<a name="l01840"></a>01840 <span class="keywordtype">char</span> i64buf[I64CHARSZ + 1];
<a name="l01841"></a>01841 printU64(i64buf, cp);
<a name="l01842"></a>01842 DEBUGMSG((<span class="stringliteral">"dumpv_recv"</span>, <span class="stringliteral">"Counter64: %s"</span>, i64buf));
<a name="l01843"></a>01843 }
<a name="l01844"></a>01844
<a name="l01845"></a>01845 <span class="keywordflow">return</span> bufp;
<a name="l01846"></a>01846 }
<a name="l01847"></a>01847
<a name="l01848"></a>01848
<a name="l01870"></a>01870 u_char *
<a name="l01871"></a>01871 asn_build_unsigned_int64(u_char * data,
<a name="l01872"></a>01872 <span class="keywordtype">size_t</span> * datalength,
<a name="l01873"></a>01873 u_char type,
<a name="l01874"></a>01874 <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structcounter64.html">counter64</a> * cp, <span class="keywordtype">size_t</span> countersize)
<a name="l01875"></a>01875 {
<a name="l01876"></a>01876 <span class="comment">/*</span>
<a name="l01877"></a>01877 <span class="comment"> * ASN.1 integer ::= 0x02 asnlength byte {byte}*</span>
<a name="l01878"></a>01878 <span class="comment"> */</span>
<a name="l01879"></a>01879
<a name="l01880"></a>01880 <span class="keyword">register</span> u_long low, high;
<a name="l01881"></a>01881 <span class="keyword">register</span> u_long mask, mask2;
<a name="l01882"></a>01882 <span class="keywordtype">int</span> add_null_byte = 0;
<a name="l01883"></a>01883 <span class="keywordtype">size_t</span> intsize;
<a name="l01884"></a>01884 <span class="preprocessor">#ifndef NETSNMP_NO_DEBUGGING</span>
<a name="l01885"></a>01885 <span class="preprocessor"></span> u_char *initdatap = data;
<a name="l01886"></a>01886 <span class="preprocessor">#endif</span>
<a name="l01887"></a>01887 <span class="preprocessor"></span>
<a name="l01888"></a>01888 <span class="keywordflow">if</span> (countersize != <span class="keyword">sizeof</span>(<span class="keyword">struct</span> <a class="code" href="structcounter64.html">counter64</a>)) {
<a name="l01889"></a>01889 _asn_size_err(<span class="stringliteral">"build uint64"</span>, countersize,
<a name="l01890"></a>01890 <span class="keyword">sizeof</span>(<span class="keyword">struct</span> <a class="code" href="structcounter64.html">counter64</a>));
<a name="l01891"></a>01891 <span class="keywordflow">return</span> NULL;
<a name="l01892"></a>01892 }
<a name="l01893"></a>01893 intsize = 8;
<a name="l01894"></a>01894 low = cp->low;
<a name="l01895"></a>01895 high = cp->high;
<a name="l01896"></a>01896
<a name="l01897"></a>01897 CHECK_OVERFLOW_U(high,7);
<a name="l01898"></a>01898 CHECK_OVERFLOW_U(low,7);
<a name="l01899"></a>01899
<a name="l01900"></a>01900 mask = ((u_long) 0xFF) << (8 * (<span class="keyword">sizeof</span>(long) - 1));
<a name="l01901"></a>01901 <span class="comment">/*</span>
<a name="l01902"></a>01902 <span class="comment"> * mask is 0xFF000000 on a big-endian machine </span>
<a name="l01903"></a>01903 <span class="comment"> */</span>
<a name="l01904"></a>01904 <span class="keywordflow">if</span> ((u_char) ((high & mask) >> (8 * (<span class="keyword">sizeof</span>(<span class="keywordtype">long</span>) - 1))) & 0x80) {
<a name="l01905"></a>01905 <span class="comment">/*</span>
<a name="l01906"></a>01906 <span class="comment"> * if MSB is set </span>
<a name="l01907"></a>01907 <span class="comment"> */</span>
<a name="l01908"></a>01908 add_null_byte = 1;
<a name="l01909"></a>01909 intsize++;
<a name="l01910"></a>01910 } <span class="keywordflow">else</span> {
<a name="l01911"></a>01911 <span class="comment">/*</span>
<a name="l01912"></a>01912 <span class="comment"> * Truncate "unnecessary" bytes off of the most significant end of this 2's</span>
<a name="l01913"></a>01913 <span class="comment"> * complement integer.</span>
<a name="l01914"></a>01914 <span class="comment"> * There should be no sequence of 9 consecutive 1's or 0's at the most</span>
<a name="l01915"></a>01915 <span class="comment"> * significant end of the integer.</span>
<a name="l01916"></a>01916 <span class="comment"> */</span>
<a name="l01917"></a>01917 mask2 = ((u_long) 0x1FF) << ((8 * (<span class="keyword">sizeof</span>(long) - 1)) - 1);
<a name="l01918"></a>01918 <span class="comment">/*</span>
<a name="l01919"></a>01919 <span class="comment"> * mask2 is 0xFF800000 on a big-endian machine </span>
<a name="l01920"></a>01920 <span class="comment"> */</span>
<a name="l01921"></a>01921 <span class="keywordflow">while</span> ((((high & mask2) == 0) || ((high & mask2) == mask2))
<a name="l01922"></a>01922 && intsize > 1) {
<a name="l01923"></a>01923 intsize--;
<a name="l01924"></a>01924 high = (high << 8)
<a name="l01925"></a>01925 | ((low & mask) >> (8 * (<span class="keyword">sizeof</span>(long) - 1)));
<a name="l01926"></a>01926 low <<= 8;
<a name="l01927"></a>01927 }
<a name="l01928"></a>01928 }
<a name="l01929"></a>01929 <span class="preprocessor">#ifdef NETSNMP_WITH_OPAQUE_SPECIAL_TYPES</span>
<a name="l01930"></a>01930 <span class="preprocessor"></span> <span class="comment">/*</span>
<a name="l01931"></a>01931 <span class="comment"> * encode a Counter64 as an opaque (it also works in SNMPv1) </span>
<a name="l01932"></a>01932 <span class="comment"> */</span>
<a name="l01933"></a>01933 <span class="comment">/*</span>
<a name="l01934"></a>01934 <span class="comment"> * turn into Opaque holding special tagged value </span>
<a name="l01935"></a>01935 <span class="comment"> */</span>
<a name="l01936"></a>01936 <span class="keywordflow">if</span> (type == ASN_OPAQUE_COUNTER64) {
<a name="l01937"></a>01937 <span class="comment">/*</span>
<a name="l01938"></a>01938 <span class="comment"> * put the tag and length for the Opaque wrapper </span>
<a name="l01939"></a>01939 <span class="comment"> */</span>
<a name="l01940"></a>01940 data = asn_build_header(data, datalength, ASN_OPAQUE, intsize + 3);
<a name="l01941"></a>01941 <span class="keywordflow">if</span> (_asn_build_header_check
<a name="l01942"></a>01942 (<span class="stringliteral">"build counter u64"</span>, data, *datalength, intsize + 3))
<a name="l01943"></a>01943 <span class="keywordflow">return</span> NULL;
<a name="l01944"></a>01944
<a name="l01945"></a>01945 <span class="comment">/*</span>
<a name="l01946"></a>01946 <span class="comment"> * put the special tag and length </span>
<a name="l01947"></a>01947 <span class="comment"> */</span>
<a name="l01948"></a>01948 *data++ = ASN_OPAQUE_TAG1;
<a name="l01949"></a>01949 *data++ = ASN_OPAQUE_COUNTER64;
<a name="l01950"></a>01950 *data++ = (u_char) intsize;
<a name="l01951"></a>01951 *datalength = *datalength - 3;
<a name="l01952"></a>01952 } <span class="keywordflow">else</span>
<a name="l01953"></a>01953 <span class="comment">/*</span>
<a name="l01954"></a>01954 <span class="comment"> * Encode the Unsigned int64 in an opaque </span>
<a name="l01955"></a>01955 <span class="comment"> */</span>
<a name="l01956"></a>01956 <span class="comment">/*</span>
<a name="l01957"></a>01957 <span class="comment"> * turn into Opaque holding special tagged value </span>
<a name="l01958"></a>01958 <span class="comment"> */</span>
<a name="l01959"></a>01959 <span class="keywordflow">if</span> (type == ASN_OPAQUE_U64) {
<a name="l01960"></a>01960 <span class="comment">/*</span>
<a name="l01961"></a>01961 <span class="comment"> * put the tag and length for the Opaque wrapper </span>
<a name="l01962"></a>01962 <span class="comment"> */</span>
<a name="l01963"></a>01963 data = asn_build_header(data, datalength, ASN_OPAQUE, intsize + 3);
<a name="l01964"></a>01964 <span class="keywordflow">if</span> (_asn_build_header_check
<a name="l01965"></a>01965 (<span class="stringliteral">"build opaque u64"</span>, data, *datalength, intsize + 3))
<a name="l01966"></a>01966 <span class="keywordflow">return</span> NULL;
<a name="l01967"></a>01967
<a name="l01968"></a>01968 <span class="comment">/*</span>
<a name="l01969"></a>01969 <span class="comment"> * put the special tag and length </span>
<a name="l01970"></a>01970 <span class="comment"> */</span>
<a name="l01971"></a>01971 *data++ = ASN_OPAQUE_TAG1;
<a name="l01972"></a>01972 *data++ = ASN_OPAQUE_U64;
<a name="l01973"></a>01973 *data++ = (u_char) intsize;
<a name="l01974"></a>01974 *datalength = *datalength - 3;
<a name="l01975"></a>01975 } <span class="keywordflow">else</span> {
<a name="l01976"></a>01976 <span class="preprocessor">#endif </span><span class="comment">/* NETSNMP_WITH_OPAQUE_SPECIAL_TYPES */</span>
<a name="l01977"></a>01977 data = asn_build_header(data, datalength, type, intsize);
<a name="l01978"></a>01978 <span class="keywordflow">if</span> (_asn_build_header_check
<a name="l01979"></a>01979 (<span class="stringliteral">"build uint64"</span>, data, *datalength, intsize))
<a name="l01980"></a>01980 <span class="keywordflow">return</span> NULL;
<a name="l01981"></a>01981
<a name="l01982"></a>01982 <span class="preprocessor">#ifdef NETSNMP_WITH_OPAQUE_SPECIAL_TYPES</span>
<a name="l01983"></a>01983 <span class="preprocessor"></span> }
<a name="l01984"></a>01984 <span class="preprocessor">#endif </span><span class="comment">/* NETSNMP_WITH_OPAQUE_SPECIAL_TYPES */</span>
<a name="l01985"></a>01985 *datalength -= intsize;
<a name="l01986"></a>01986 <span class="keywordflow">if</span> (add_null_byte == 1) {
<a name="l01987"></a>01987 *data++ = <span class="charliteral">'\0'</span>;
<a name="l01988"></a>01988 intsize--;
<a name="l01989"></a>01989 }
<a name="l01990"></a>01990 <span class="keywordflow">while</span> (intsize--) {
<a name="l01991"></a>01991 *data++ = (u_char) ((high & mask) >> (8 * (<span class="keyword">sizeof</span>(long) - 1)));
<a name="l01992"></a>01992 high = (high << 8)
<a name="l01993"></a>01993 | ((low & mask) >> (8 * (<span class="keyword">sizeof</span>(long) - 1)));
<a name="l01994"></a>01994 low <<= 8;
<a name="l01995"></a>01995
<a name="l01996"></a>01996 }
<a name="l01997"></a>01997 DEBUGDUMPSETUP(<span class="stringliteral">"send"</span>, initdatap, data - initdatap);
<a name="l01998"></a>01998 DEBUGIF(<span class="stringliteral">"dumpv_send"</span>) {
<a name="l01999"></a>01999 <span class="keywordtype">char</span> i64buf[I64CHARSZ + 1];
<a name="l02000"></a>02000 printU64(i64buf, cp);
<a name="l02001"></a>02001 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, i64buf));
<a name="l02002"></a>02002 }
<a name="l02003"></a>02003 <span class="keywordflow">return</span> data;
<a name="l02004"></a>02004 }
<a name="l02005"></a>02005
<a name="l02006"></a>02006 <span class="preprocessor">#ifdef NETSNMP_WITH_OPAQUE_SPECIAL_TYPES</span>
<a name="l02007"></a>02007 <span class="preprocessor"></span>
<a name="l02008"></a>02008
<a name="l02032"></a>02032 u_char *
<a name="l02033"></a>02033 asn_parse_signed_int64(u_char * data,
<a name="l02034"></a>02034 <span class="keywordtype">size_t</span> * datalength,
<a name="l02035"></a>02035 u_char * type,
<a name="l02036"></a>02036 <span class="keyword">struct</span> <a class="code" href="structcounter64.html">counter64</a> * cp, <span class="keywordtype">size_t</span> countersize)
<a name="l02037"></a>02037 {
<a name="l02038"></a>02038 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *errpre = <span class="stringliteral">"parse int64"</span>;
<a name="l02039"></a>02039 <span class="keyword">const</span> <span class="keywordtype">int</span> int64sizelimit = (4 * 2) + 1;
<a name="l02040"></a>02040 <span class="keywordtype">char</span> ebuf[128];
<a name="l02041"></a>02041 <span class="keyword">register</span> u_char *bufp = data;
<a name="l02042"></a>02042 u_long asn_length;
<a name="l02043"></a>02043 <span class="keyword">register</span> u_int low = 0, high = 0;
<a name="l02044"></a>02044
<a name="l02045"></a>02045 <span class="keywordflow">if</span> (countersize != <span class="keyword">sizeof</span>(<span class="keyword">struct</span> <a class="code" href="structcounter64.html">counter64</a>)) {
<a name="l02046"></a>02046 _asn_size_err(errpre, countersize, <span class="keyword">sizeof</span>(<span class="keyword">struct</span> <a class="code" href="structcounter64.html">counter64</a>));
<a name="l02047"></a>02047 <span class="keywordflow">return</span> NULL;
<a name="l02048"></a>02048 }
<a name="l02049"></a>02049 *type = *bufp++;
<a name="l02050"></a>02050 bufp = asn_parse_length(bufp, &asn_length);
<a name="l02051"></a>02051 <span class="keywordflow">if</span> (_asn_parse_length_check
<a name="l02052"></a>02052 (errpre, bufp, data, asn_length, *datalength))
<a name="l02053"></a>02053 <span class="keywordflow">return</span> NULL;
<a name="l02054"></a>02054
<a name="l02055"></a>02055 DEBUGDUMPSETUP(<span class="stringliteral">"recv"</span>, data, bufp - data);
<a name="l02056"></a>02056 <span class="keywordflow">if</span> ((*type == ASN_OPAQUE) &&
<a name="l02057"></a>02057 (asn_length <= ASN_OPAQUE_COUNTER64_MX_BER_LEN) &&
<a name="l02058"></a>02058 (*bufp == ASN_OPAQUE_TAG1) && (*(bufp + 1) == ASN_OPAQUE_I64)) {
<a name="l02059"></a>02059 <span class="comment">/*</span>
<a name="l02060"></a>02060 <span class="comment"> * change type to Int64 </span>
<a name="l02061"></a>02061 <span class="comment"> */</span>
<a name="l02062"></a>02062 *type = *(bufp + 1);
<a name="l02063"></a>02063 <span class="comment">/*</span>
<a name="l02064"></a>02064 <span class="comment"> * value is encoded as special format </span>
<a name="l02065"></a>02065 <span class="comment"> */</span>
<a name="l02066"></a>02066 bufp = asn_parse_length(bufp + 2, &asn_length);
<a name="l02067"></a>02067 <span class="keywordflow">if</span> (_asn_parse_length_check(<span class="stringliteral">"parse opaque int64"</span>, bufp, data,
<a name="l02068"></a>02068 asn_length, *datalength))
<a name="l02069"></a>02069 <span class="keywordflow">return</span> NULL;
<a name="l02070"></a>02070 }
<a name="l02071"></a>02071 <span class="comment">/*</span>
<a name="l02072"></a>02072 <span class="comment"> * this should always have been true until snmp gets int64 PDU types </span>
<a name="l02073"></a>02073 <span class="comment"> */</span>
<a name="l02074"></a>02074 <span class="keywordflow">else</span> {
<a name="l02075"></a>02075 snprintf(ebuf, <span class="keyword">sizeof</span>(ebuf),
<a name="l02076"></a>02076 <span class="stringliteral">"%s: wrong type: %d, len %d, buf bytes (%02X,%02X)"</span>,
<a name="l02077"></a>02077 errpre, *type, (<span class="keywordtype">int</span>) asn_length, *bufp, *(bufp + 1));
<a name="l02078"></a>02078 ebuf[ <span class="keyword">sizeof</span>(ebuf)-1 ] = 0;
<a name="l02079"></a>02079 ERROR_MSG(ebuf);
<a name="l02080"></a>02080 <span class="keywordflow">return</span> NULL;
<a name="l02081"></a>02081 }
<a name="l02082"></a>02082 <span class="keywordflow">if</span> (((<span class="keywordtype">int</span>) asn_length > int64sizelimit) ||
<a name="l02083"></a>02083 (((<span class="keywordtype">int</span>) asn_length == int64sizelimit) && *bufp != 0x00)) {
<a name="l02084"></a>02084 _asn_length_err(errpre, (<span class="keywordtype">size_t</span>) asn_length, int64sizelimit);
<a name="l02085"></a>02085 <span class="keywordflow">return</span> NULL;
<a name="l02086"></a>02086 }
<a name="l02087"></a>02087 *datalength -= (int) asn_length + (bufp - data);
<a name="l02088"></a>02088 <span class="keywordflow">if</span> (*bufp & 0x80) {
<a name="l02089"></a>02089 low = 0xFFFFFF; <span class="comment">/* first byte bit 1 means start the data with 1s */</span>
<a name="l02090"></a>02090 high = 0xFFFFFF;
<a name="l02091"></a>02091 }
<a name="l02092"></a>02092
<a name="l02093"></a>02093 <span class="keywordflow">while</span> (asn_length--) {
<a name="l02094"></a>02094 high = ((0x00FFFFFF & high) << 8) | ((low & 0xFF000000) >> 24);
<a name="l02095"></a>02095 low = ((low & 0x00FFFFFF) << 8) | *bufp++;
<a name="l02096"></a>02096 }
<a name="l02097"></a>02097
<a name="l02098"></a>02098 CHECK_OVERFLOW_U(high,8);
<a name="l02099"></a>02099 CHECK_OVERFLOW_U(low,8);
<a name="l02100"></a>02100
<a name="l02101"></a>02101 cp->low = low;
<a name="l02102"></a>02102 cp->high = high;
<a name="l02103"></a>02103
<a name="l02104"></a>02104 DEBUGIF(<span class="stringliteral">"dumpv_recv"</span>) {
<a name="l02105"></a>02105 <span class="keywordtype">char</span> i64buf[I64CHARSZ + 1];
<a name="l02106"></a>02106 printI64(i64buf, cp);
<a name="l02107"></a>02107 DEBUGMSG((<span class="stringliteral">"dumpv_recv"</span>, <span class="stringliteral">"Integer64: %s"</span>, i64buf));
<a name="l02108"></a>02108 }
<a name="l02109"></a>02109
<a name="l02110"></a>02110 <span class="keywordflow">return</span> bufp;
<a name="l02111"></a>02111 }
<a name="l02112"></a>02112
<a name="l02113"></a>02113
<a name="l02114"></a>02114
<a name="l02136"></a>02136 u_char *
<a name="l02137"></a>02137 asn_build_signed_int64(u_char * data,
<a name="l02138"></a>02138 <span class="keywordtype">size_t</span> * datalength,
<a name="l02139"></a>02139 u_char type,
<a name="l02140"></a>02140 <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structcounter64.html">counter64</a> * cp, <span class="keywordtype">size_t</span> countersize)
<a name="l02141"></a>02141 {
<a name="l02142"></a>02142 <span class="comment">/*</span>
<a name="l02143"></a>02143 <span class="comment"> * ASN.1 integer ::= 0x02 asnlength byte {byte}*</span>
<a name="l02144"></a>02144 <span class="comment"> */</span>
<a name="l02145"></a>02145
<a name="l02146"></a>02146 <span class="keyword">struct </span><a class="code" href="structcounter64.html">counter64</a> c64;
<a name="l02147"></a>02147 <span class="keyword">register</span> u_int mask, mask2;
<a name="l02148"></a>02148 u_long low, high;
<a name="l02149"></a>02149 <span class="keywordtype">size_t</span> intsize;
<a name="l02150"></a>02150 <span class="preprocessor">#ifndef NETSNMP_NO_DEBUGGING</span>
<a name="l02151"></a>02151 <span class="preprocessor"></span> u_char *initdatap = data;
<a name="l02152"></a>02152 <span class="preprocessor">#endif</span>
<a name="l02153"></a>02153 <span class="preprocessor"></span>
<a name="l02154"></a>02154 <span class="keywordflow">if</span> (countersize != <span class="keyword">sizeof</span>(<span class="keyword">struct</span> <a class="code" href="structcounter64.html">counter64</a>)) {
<a name="l02155"></a>02155 _asn_size_err(<span class="stringliteral">"build int64"</span>, countersize,
<a name="l02156"></a>02156 <span class="keyword">sizeof</span>(<span class="keyword">struct</span> <a class="code" href="structcounter64.html">counter64</a>));
<a name="l02157"></a>02157 <span class="keywordflow">return</span> NULL;
<a name="l02158"></a>02158 }
<a name="l02159"></a>02159 intsize = 8;
<a name="l02160"></a>02160 memcpy(&c64, cp, <span class="keyword">sizeof</span>(<span class="keyword">struct</span> <a class="code" href="structcounter64.html">counter64</a>)); <span class="comment">/* we're may modify it */</span>
<a name="l02161"></a>02161 low = c64.low;
<a name="l02162"></a>02162 high = c64.high;
<a name="l02163"></a>02163
<a name="l02164"></a>02164 CHECK_OVERFLOW_S(high,9);
<a name="l02165"></a>02165 CHECK_OVERFLOW_U(low,9);
<a name="l02166"></a>02166
<a name="l02167"></a>02167 <span class="comment">/*</span>
<a name="l02168"></a>02168 <span class="comment"> * Truncate "unnecessary" bytes off of the most significant end of this</span>
<a name="l02169"></a>02169 <span class="comment"> * 2's complement integer. There should be no sequence of 9</span>
<a name="l02170"></a>02170 <span class="comment"> * consecutive 1's or 0's at the most significant end of the</span>
<a name="l02171"></a>02171 <span class="comment"> * integer.</span>
<a name="l02172"></a>02172 <span class="comment"> */</span>
<a name="l02173"></a>02173 mask = ((u_int) 0xFF) << (8 * (<span class="keyword">sizeof</span>(u_int) - 1));
<a name="l02174"></a>02174 mask2 = ((u_int) 0x1FF) << ((8 * (<span class="keyword">sizeof</span>(u_int) - 1)) - 1);
<a name="l02175"></a>02175 <span class="comment">/*</span>
<a name="l02176"></a>02176 <span class="comment"> * mask is 0xFF800000 on a big-endian machine </span>
<a name="l02177"></a>02177 <span class="comment"> */</span>
<a name="l02178"></a>02178 <span class="keywordflow">while</span> ((((high & mask2) == 0) || ((high & mask2) == mask2))
<a name="l02179"></a>02179 && intsize > 1) {
<a name="l02180"></a>02180 intsize--;
<a name="l02181"></a>02181 high = (high << 8)
<a name="l02182"></a>02182 | ((low & mask) >> (8 * (<span class="keyword">sizeof</span>(u_int) - 1)));
<a name="l02183"></a>02183 low <<= 8;
<a name="l02184"></a>02184 }
<a name="l02185"></a>02185 <span class="comment">/*</span>
<a name="l02186"></a>02186 <span class="comment"> * until a real int64 gets incorperated into SNMP, we are going to</span>
<a name="l02187"></a>02187 <span class="comment"> * encode it as an opaque instead. First, we build the opaque</span>
<a name="l02188"></a>02188 <span class="comment"> * header and then the int64 tag type we use to mark it as an</span>
<a name="l02189"></a>02189 <span class="comment"> * int64 in the opaque string. </span>
<a name="l02190"></a>02190 <span class="comment"> */</span>
<a name="l02191"></a>02191 data = asn_build_header(data, datalength, ASN_OPAQUE, intsize + 3);
<a name="l02192"></a>02192 <span class="keywordflow">if</span> (_asn_build_header_check
<a name="l02193"></a>02193 (<span class="stringliteral">"build int64"</span>, data, *datalength, intsize + 3))
<a name="l02194"></a>02194 <span class="keywordflow">return</span> NULL;
<a name="l02195"></a>02195
<a name="l02196"></a>02196 *data++ = ASN_OPAQUE_TAG1;
<a name="l02197"></a>02197 *data++ = ASN_OPAQUE_I64;
<a name="l02198"></a>02198 *data++ = (u_char) intsize;
<a name="l02199"></a>02199 *datalength -= (3 + intsize);
<a name="l02200"></a>02200
<a name="l02201"></a>02201 <span class="keywordflow">while</span> (intsize--) {
<a name="l02202"></a>02202 *data++ = (u_char) ((high & mask) >> (8 * (<span class="keyword">sizeof</span>(u_int) - 1)));
<a name="l02203"></a>02203 high = (high << 8)
<a name="l02204"></a>02204 | ((low & mask) >> (8 * (<span class="keyword">sizeof</span>(u_int) - 1)));
<a name="l02205"></a>02205 low <<= 8;
<a name="l02206"></a>02206 }
<a name="l02207"></a>02207 DEBUGDUMPSETUP(<span class="stringliteral">"send"</span>, initdatap, data - initdatap);
<a name="l02208"></a>02208 DEBUGIF(<span class="stringliteral">"dumpv_send"</span>) {
<a name="l02209"></a>02209 <span class="keywordtype">char</span> i64buf[I64CHARSZ + 1];
<a name="l02210"></a>02210 printU64(i64buf, cp);
<a name="l02211"></a>02211 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, i64buf));
<a name="l02212"></a>02212 }
<a name="l02213"></a>02213 <span class="keywordflow">return</span> data;
<a name="l02214"></a>02214 }
<a name="l02215"></a>02215
<a name="l02216"></a>02216
<a name="l02238"></a>02238 u_char *
<a name="l02239"></a>02239 asn_parse_float(u_char * data,
<a name="l02240"></a>02240 <span class="keywordtype">size_t</span> * datalength,
<a name="l02241"></a>02241 u_char * type, <span class="keywordtype">float</span> *floatp, <span class="keywordtype">size_t</span> floatsize)
<a name="l02242"></a>02242 {
<a name="l02243"></a>02243 <span class="keyword">register</span> u_char *bufp = data;
<a name="l02244"></a>02244 u_long asn_length;
<a name="l02245"></a>02245 <span class="keyword">union </span>{
<a name="l02246"></a>02246 <span class="keywordtype">float</span> floatVal;
<a name="l02247"></a>02247 <span class="keywordtype">long</span> longVal;
<a name="l02248"></a>02248 u_char c[<span class="keyword">sizeof</span>(float)];
<a name="l02249"></a>02249 } fu;
<a name="l02250"></a>02250
<a name="l02251"></a>02251 <span class="keywordflow">if</span> (floatsize != <span class="keyword">sizeof</span>(<span class="keywordtype">float</span>)) {
<a name="l02252"></a>02252 _asn_size_err(<span class="stringliteral">"parse float"</span>, floatsize, <span class="keyword">sizeof</span>(<span class="keywordtype">float</span>));
<a name="l02253"></a>02253 <span class="keywordflow">return</span> NULL;
<a name="l02254"></a>02254 }
<a name="l02255"></a>02255 *type = *bufp++;
<a name="l02256"></a>02256 bufp = asn_parse_length(bufp, &asn_length);
<a name="l02257"></a>02257 <span class="keywordflow">if</span> (_asn_parse_length_check(<span class="stringliteral">"parse float"</span>, bufp, data,
<a name="l02258"></a>02258 asn_length, *datalength))
<a name="l02259"></a>02259 <span class="keywordflow">return</span> NULL;
<a name="l02260"></a>02260
<a name="l02261"></a>02261 DEBUGDUMPSETUP(<span class="stringliteral">"recv"</span>, data, bufp - data + asn_length);
<a name="l02262"></a>02262 <span class="comment">/*</span>
<a name="l02263"></a>02263 <span class="comment"> * the float is encoded as an opaque </span>
<a name="l02264"></a>02264 <span class="comment"> */</span>
<a name="l02265"></a>02265 <span class="keywordflow">if</span> ((*type == ASN_OPAQUE) &&
<a name="l02266"></a>02266 (asn_length == ASN_OPAQUE_FLOAT_BER_LEN) &&
<a name="l02267"></a>02267 (*bufp == ASN_OPAQUE_TAG1) && (*(bufp + 1) == ASN_OPAQUE_FLOAT)) {
<a name="l02268"></a>02268
<a name="l02269"></a>02269 <span class="comment">/*</span>
<a name="l02270"></a>02270 <span class="comment"> * value is encoded as special format </span>
<a name="l02271"></a>02271 <span class="comment"> */</span>
<a name="l02272"></a>02272 bufp = asn_parse_length(bufp + 2, &asn_length);
<a name="l02273"></a>02273 <span class="keywordflow">if</span> (_asn_parse_length_check(<span class="stringliteral">"parse opaque float"</span>, bufp, data,
<a name="l02274"></a>02274 asn_length, *datalength))
<a name="l02275"></a>02275 <span class="keywordflow">return</span> NULL;
<a name="l02276"></a>02276
<a name="l02277"></a>02277 <span class="comment">/*</span>
<a name="l02278"></a>02278 <span class="comment"> * change type to Float </span>
<a name="l02279"></a>02279 <span class="comment"> */</span>
<a name="l02280"></a>02280 *type = ASN_OPAQUE_FLOAT;
<a name="l02281"></a>02281 }
<a name="l02282"></a>02282
<a name="l02283"></a>02283 <span class="keywordflow">if</span> (asn_length != <span class="keyword">sizeof</span>(<span class="keywordtype">float</span>)) {
<a name="l02284"></a>02284 _asn_size_err(<span class="stringliteral">"parse seq float"</span>, asn_length, <span class="keyword">sizeof</span>(<span class="keywordtype">float</span>));
<a name="l02285"></a>02285 <span class="keywordflow">return</span> NULL;
<a name="l02286"></a>02286 }
<a name="l02287"></a>02287
<a name="l02288"></a>02288 *datalength -= (int) asn_length + (bufp - data);
<a name="l02289"></a>02289 memcpy(&fu.c[0], bufp, asn_length);
<a name="l02290"></a>02290
<a name="l02291"></a>02291 <span class="comment">/*</span>
<a name="l02292"></a>02292 <span class="comment"> * correct for endian differences </span>
<a name="l02293"></a>02293 <span class="comment"> */</span>
<a name="l02294"></a>02294 fu.longVal = ntohl(fu.longVal);
<a name="l02295"></a>02295
<a name="l02296"></a>02296 *floatp = fu.floatVal;
<a name="l02297"></a>02297
<a name="l02298"></a>02298 DEBUGMSG((<span class="stringliteral">"dumpv_recv"</span>, <span class="stringliteral">"Opaque float: %f\n"</span>, *floatp));
<a name="l02299"></a>02299 <span class="keywordflow">return</span> bufp;
<a name="l02300"></a>02300 }
<a name="l02301"></a>02301
<a name="l02325"></a>02325 u_char *
<a name="l02326"></a>02326 asn_build_float(u_char * data,
<a name="l02327"></a>02327 <span class="keywordtype">size_t</span> * datalength,
<a name="l02328"></a>02328 u_char type, <span class="keyword">const</span> <span class="keywordtype">float</span> *floatp, <span class="keywordtype">size_t</span> floatsize)
<a name="l02329"></a>02329 {
<a name="l02330"></a>02330 <span class="keyword">union </span>{
<a name="l02331"></a>02331 <span class="keywordtype">float</span> floatVal;
<a name="l02332"></a>02332 <span class="keywordtype">int</span> intVal;
<a name="l02333"></a>02333 u_char c[<span class="keyword">sizeof</span>(float)];
<a name="l02334"></a>02334 } fu;
<a name="l02335"></a>02335 <span class="preprocessor">#ifndef NETSNMP_NO_DEBUGGING</span>
<a name="l02336"></a>02336 <span class="preprocessor"></span> u_char *initdatap = data;
<a name="l02337"></a>02337 <span class="preprocessor">#endif</span>
<a name="l02338"></a>02338 <span class="preprocessor"></span>
<a name="l02339"></a>02339 <span class="keywordflow">if</span> (floatsize != <span class="keyword">sizeof</span>(<span class="keywordtype">float</span>)) {
<a name="l02340"></a>02340 _asn_size_err(<span class="stringliteral">"build float"</span>, floatsize, <span class="keyword">sizeof</span>(<span class="keywordtype">float</span>));
<a name="l02341"></a>02341 <span class="keywordflow">return</span> NULL;
<a name="l02342"></a>02342 }
<a name="l02343"></a>02343 <span class="comment">/*</span>
<a name="l02344"></a>02344 <span class="comment"> * encode the float as an opaque </span>
<a name="l02345"></a>02345 <span class="comment"> */</span>
<a name="l02346"></a>02346 <span class="comment">/*</span>
<a name="l02347"></a>02347 <span class="comment"> * turn into Opaque holding special tagged value </span>
<a name="l02348"></a>02348 <span class="comment"> */</span>
<a name="l02349"></a>02349
<a name="l02350"></a>02350 <span class="comment">/*</span>
<a name="l02351"></a>02351 <span class="comment"> * put the tag and length for the Opaque wrapper </span>
<a name="l02352"></a>02352 <span class="comment"> */</span>
<a name="l02353"></a>02353 data = asn_build_header(data, datalength, ASN_OPAQUE, floatsize + 3);
<a name="l02354"></a>02354 <span class="keywordflow">if</span> (_asn_build_header_check
<a name="l02355"></a>02355 (<span class="stringliteral">"build float"</span>, data, *datalength, (floatsize + 3)))
<a name="l02356"></a>02356 <span class="keywordflow">return</span> NULL;
<a name="l02357"></a>02357
<a name="l02358"></a>02358 <span class="comment">/*</span>
<a name="l02359"></a>02359 <span class="comment"> * put the special tag and length </span>
<a name="l02360"></a>02360 <span class="comment"> */</span>
<a name="l02361"></a>02361 *data++ = ASN_OPAQUE_TAG1;
<a name="l02362"></a>02362 *data++ = ASN_OPAQUE_FLOAT;
<a name="l02363"></a>02363 *data++ = (u_char) floatsize;
<a name="l02364"></a>02364 *datalength = *datalength - 3;
<a name="l02365"></a>02365
<a name="l02366"></a>02366 fu.floatVal = *floatp;
<a name="l02367"></a>02367 <span class="comment">/*</span>
<a name="l02368"></a>02368 <span class="comment"> * correct for endian differences </span>
<a name="l02369"></a>02369 <span class="comment"> */</span>
<a name="l02370"></a>02370 fu.intVal = htonl(fu.intVal);
<a name="l02371"></a>02371
<a name="l02372"></a>02372 *datalength -= floatsize;
<a name="l02373"></a>02373 memcpy(data, &fu.c[0], floatsize);
<a name="l02374"></a>02374
<a name="l02375"></a>02375 DEBUGDUMPSETUP(<span class="stringliteral">"send"</span>, initdatap, data - initdatap);
<a name="l02376"></a>02376 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">"Opaque float: %f\n"</span>, *floatp));
<a name="l02377"></a>02377 data += floatsize;
<a name="l02378"></a>02378 <span class="keywordflow">return</span> data;
<a name="l02379"></a>02379 }
<a name="l02380"></a>02380
<a name="l02381"></a>02381
<a name="l02403"></a>02403 u_char *
<a name="l02404"></a>02404 asn_parse_double(u_char * data,
<a name="l02405"></a>02405 <span class="keywordtype">size_t</span> * datalength,
<a name="l02406"></a>02406 u_char * type, <span class="keywordtype">double</span> *doublep, <span class="keywordtype">size_t</span> doublesize)
<a name="l02407"></a>02407 {
<a name="l02408"></a>02408 <span class="keyword">register</span> u_char *bufp = data;
<a name="l02409"></a>02409 u_long asn_length;
<a name="l02410"></a>02410 <span class="keywordtype">long</span> tmp;
<a name="l02411"></a>02411 <span class="keyword">union </span>{
<a name="l02412"></a>02412 <span class="keywordtype">double</span> doubleVal;
<a name="l02413"></a>02413 <span class="keywordtype">int</span> intVal[2];
<a name="l02414"></a>02414 u_char c[<span class="keyword">sizeof</span>(double)];
<a name="l02415"></a>02415 } fu;
<a name="l02416"></a>02416
<a name="l02417"></a>02417
<a name="l02418"></a>02418 <span class="keywordflow">if</span> (doublesize != <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>)) {
<a name="l02419"></a>02419 _asn_size_err(<span class="stringliteral">"parse double"</span>, doublesize, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));
<a name="l02420"></a>02420 <span class="keywordflow">return</span> NULL;
<a name="l02421"></a>02421 }
<a name="l02422"></a>02422 *type = *bufp++;
<a name="l02423"></a>02423 bufp = asn_parse_length(bufp, &asn_length);
<a name="l02424"></a>02424 <span class="keywordflow">if</span> (_asn_parse_length_check(<span class="stringliteral">"parse double"</span>, bufp, data,
<a name="l02425"></a>02425 asn_length, *datalength))
<a name="l02426"></a>02426 <span class="keywordflow">return</span> NULL;
<a name="l02427"></a>02427
<a name="l02428"></a>02428 DEBUGDUMPSETUP(<span class="stringliteral">"recv"</span>, data, bufp - data + asn_length);
<a name="l02429"></a>02429 <span class="comment">/*</span>
<a name="l02430"></a>02430 <span class="comment"> * the double is encoded as an opaque </span>
<a name="l02431"></a>02431 <span class="comment"> */</span>
<a name="l02432"></a>02432 <span class="keywordflow">if</span> ((*type == ASN_OPAQUE) &&
<a name="l02433"></a>02433 (asn_length == ASN_OPAQUE_DOUBLE_BER_LEN) &&
<a name="l02434"></a>02434 (*bufp == ASN_OPAQUE_TAG1) && (*(bufp + 1) == ASN_OPAQUE_DOUBLE)) {
<a name="l02435"></a>02435
<a name="l02436"></a>02436 <span class="comment">/*</span>
<a name="l02437"></a>02437 <span class="comment"> * value is encoded as special format </span>
<a name="l02438"></a>02438 <span class="comment"> */</span>
<a name="l02439"></a>02439 bufp = asn_parse_length(bufp + 2, &asn_length);
<a name="l02440"></a>02440 <span class="keywordflow">if</span> (_asn_parse_length_check(<span class="stringliteral">"parse opaque double"</span>, bufp, data,
<a name="l02441"></a>02441 asn_length, *datalength))
<a name="l02442"></a>02442 <span class="keywordflow">return</span> NULL;
<a name="l02443"></a>02443
<a name="l02444"></a>02444 <span class="comment">/*</span>
<a name="l02445"></a>02445 <span class="comment"> * change type to Double </span>
<a name="l02446"></a>02446 <span class="comment"> */</span>
<a name="l02447"></a>02447 *type = ASN_OPAQUE_DOUBLE;
<a name="l02448"></a>02448 }
<a name="l02449"></a>02449
<a name="l02450"></a>02450 <span class="keywordflow">if</span> (asn_length != <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>)) {
<a name="l02451"></a>02451 _asn_size_err(<span class="stringliteral">"parse seq double"</span>, asn_length, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));
<a name="l02452"></a>02452 <span class="keywordflow">return</span> NULL;
<a name="l02453"></a>02453 }
<a name="l02454"></a>02454 *datalength -= (int) asn_length + (bufp - data);
<a name="l02455"></a>02455 memcpy(&fu.c[0], bufp, asn_length);
<a name="l02456"></a>02456
<a name="l02457"></a>02457 <span class="comment">/*</span>
<a name="l02458"></a>02458 <span class="comment"> * correct for endian differences </span>
<a name="l02459"></a>02459 <span class="comment"> */</span>
<a name="l02460"></a>02460
<a name="l02461"></a>02461 tmp = ntohl(fu.intVal[0]);
<a name="l02462"></a>02462 fu.intVal[0] = ntohl(fu.intVal[1]);
<a name="l02463"></a>02463 fu.intVal[1] = tmp;
<a name="l02464"></a>02464
<a name="l02465"></a>02465 *doublep = fu.doubleVal;
<a name="l02466"></a>02466 DEBUGMSG((<span class="stringliteral">"dumpv_recv"</span>, <span class="stringliteral">" Opaque Double:\t%f\n"</span>, *doublep));
<a name="l02467"></a>02467
<a name="l02468"></a>02468 <span class="keywordflow">return</span> bufp;
<a name="l02469"></a>02469 }
<a name="l02470"></a>02470
<a name="l02471"></a>02471
<a name="l02494"></a>02494 u_char *
<a name="l02495"></a>02495 asn_build_double(u_char * data,
<a name="l02496"></a>02496 <span class="keywordtype">size_t</span> * datalength,
<a name="l02497"></a>02497 u_char type, <span class="keyword">const</span> <span class="keywordtype">double</span> *doublep, <span class="keywordtype">size_t</span> doublesize)
<a name="l02498"></a>02498 {
<a name="l02499"></a>02499 <span class="keywordtype">long</span> tmp;
<a name="l02500"></a>02500 <span class="keyword">union </span>{
<a name="l02501"></a>02501 <span class="keywordtype">double</span> doubleVal;
<a name="l02502"></a>02502 <span class="keywordtype">int</span> intVal[2];
<a name="l02503"></a>02503 u_char c[<span class="keyword">sizeof</span>(double)];
<a name="l02504"></a>02504 } fu;
<a name="l02505"></a>02505 <span class="preprocessor">#ifndef NETSNMP_NO_DEBUGGING</span>
<a name="l02506"></a>02506 <span class="preprocessor"></span> u_char *initdatap = data;
<a name="l02507"></a>02507 <span class="preprocessor">#endif</span>
<a name="l02508"></a>02508 <span class="preprocessor"></span>
<a name="l02509"></a>02509 <span class="keywordflow">if</span> (doublesize != <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>)) {
<a name="l02510"></a>02510 _asn_size_err(<span class="stringliteral">"build double"</span>, doublesize, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));
<a name="l02511"></a>02511 <span class="keywordflow">return</span> NULL;
<a name="l02512"></a>02512 }
<a name="l02513"></a>02513
<a name="l02514"></a>02514 <span class="comment">/*</span>
<a name="l02515"></a>02515 <span class="comment"> * encode the double as an opaque </span>
<a name="l02516"></a>02516 <span class="comment"> */</span>
<a name="l02517"></a>02517 <span class="comment">/*</span>
<a name="l02518"></a>02518 <span class="comment"> * turn into Opaque holding special tagged value </span>
<a name="l02519"></a>02519 <span class="comment"> */</span>
<a name="l02520"></a>02520
<a name="l02521"></a>02521 <span class="comment">/*</span>
<a name="l02522"></a>02522 <span class="comment"> * put the tag and length for the Opaque wrapper </span>
<a name="l02523"></a>02523 <span class="comment"> */</span>
<a name="l02524"></a>02524 data = asn_build_header(data, datalength, ASN_OPAQUE, doublesize + 3);
<a name="l02525"></a>02525 <span class="keywordflow">if</span> (_asn_build_header_check
<a name="l02526"></a>02526 (<span class="stringliteral">"build double"</span>, data, *datalength, doublesize + 3))
<a name="l02527"></a>02527 <span class="keywordflow">return</span> NULL;
<a name="l02528"></a>02528
<a name="l02529"></a>02529 <span class="comment">/*</span>
<a name="l02530"></a>02530 <span class="comment"> * put the special tag and length </span>
<a name="l02531"></a>02531 <span class="comment"> */</span>
<a name="l02532"></a>02532 *data++ = ASN_OPAQUE_TAG1;
<a name="l02533"></a>02533 *data++ = ASN_OPAQUE_DOUBLE;
<a name="l02534"></a>02534 *data++ = (u_char) doublesize;
<a name="l02535"></a>02535 *datalength = *datalength - 3;
<a name="l02536"></a>02536
<a name="l02537"></a>02537 fu.doubleVal = *doublep;
<a name="l02538"></a>02538 <span class="comment">/*</span>
<a name="l02539"></a>02539 <span class="comment"> * correct for endian differences </span>
<a name="l02540"></a>02540 <span class="comment"> */</span>
<a name="l02541"></a>02541 tmp = htonl(fu.intVal[0]);
<a name="l02542"></a>02542 fu.intVal[0] = htonl(fu.intVal[1]);
<a name="l02543"></a>02543 fu.intVal[1] = tmp;
<a name="l02544"></a>02544 *datalength -= doublesize;
<a name="l02545"></a>02545 memcpy(data, &fu.c[0], doublesize);
<a name="l02546"></a>02546
<a name="l02547"></a>02547 data += doublesize;
<a name="l02548"></a>02548 DEBUGDUMPSETUP(<span class="stringliteral">"send"</span>, initdatap, data - initdatap);
<a name="l02549"></a>02549 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">" Opaque double: %f"</span>, *doublep));
<a name="l02550"></a>02550 <span class="keywordflow">return</span> data;
<a name="l02551"></a>02551 }
<a name="l02552"></a>02552
<a name="l02553"></a>02553 <span class="preprocessor">#endif </span><span class="comment">/* NETSNMP_WITH_OPAQUE_SPECIAL_TYPES */</span>
<a name="l02554"></a>02554
<a name="l02555"></a>02555
<a name="l02570"></a>02570 <span class="keywordtype">int</span>
<a name="l02571"></a>02571 asn_realloc(u_char ** pkt, <span class="keywordtype">size_t</span> * pkt_len)
<a name="l02572"></a>02572 {
<a name="l02573"></a>02573 <span class="keywordflow">if</span> (pkt != NULL && pkt_len != NULL) {
<a name="l02574"></a>02574 <span class="keywordtype">size_t</span> old_pkt_len = *pkt_len;
<a name="l02575"></a>02575
<a name="l02576"></a>02576 DEBUGMSGTL((<span class="stringliteral">"asn_realloc"</span>, <span class="stringliteral">" old_pkt %08p, old_pkt_len %08x\n"</span>,
<a name="l02577"></a>02577 *pkt, old_pkt_len));
<a name="l02578"></a>02578
<a name="l02579"></a>02579 <span class="keywordflow">if</span> (<a class="code" href="group__util.html#ga7b42d706225a788adcfeaad9b24717de" title="This function increase the size of the buffer pointed at by *buf, which is initially of size *buf_len...">snmp_realloc</a>(pkt, pkt_len)) {
<a name="l02580"></a>02580 DEBUGMSGTL((<span class="stringliteral">"asn_realloc"</span>, <span class="stringliteral">" new_pkt %08p, new_pkt_len %08x\n"</span>,
<a name="l02581"></a>02581 *pkt, *pkt_len));
<a name="l02582"></a>02582 DEBUGMSGTL((<span class="stringliteral">"asn_realloc"</span>,
<a name="l02583"></a>02583 <span class="stringliteral">" memmove(%08p + %08x, %08p, %08x)\n"</span>, *pkt,
<a name="l02584"></a>02584 (*pkt_len - old_pkt_len), *pkt, old_pkt_len));
<a name="l02585"></a>02585 memmove(*pkt + (*pkt_len - old_pkt_len), *pkt, old_pkt_len);
<a name="l02586"></a>02586 memset(*pkt, (<span class="keywordtype">int</span>) <span class="charliteral">' '</span>, *pkt_len - old_pkt_len);
<a name="l02587"></a>02587 <span class="keywordflow">return</span> 1;
<a name="l02588"></a>02588 } <span class="keywordflow">else</span> {
<a name="l02589"></a>02589 DEBUGMSG((<span class="stringliteral">"asn_realloc"</span>, <span class="stringliteral">" CANNOT REALLOC()\n"</span>));
<a name="l02590"></a>02590 }
<a name="l02591"></a>02591 }
<a name="l02592"></a>02592 <span class="keywordflow">return</span> 0;
<a name="l02593"></a>02593 }
<a name="l02594"></a>02594
<a name="l02595"></a>02595 <span class="preprocessor">#ifdef NETSNMP_USE_REVERSE_ASNENCODING</span>
<a name="l02596"></a>02596 <span class="preprocessor"></span>
<a name="l02611"></a>02611 <span class="keywordtype">int</span>
<a name="l02612"></a>02612 asn_realloc_rbuild_length(u_char ** pkt, <span class="keywordtype">size_t</span> * pkt_len,
<a name="l02613"></a>02613 <span class="keywordtype">size_t</span> * offset, <span class="keywordtype">int</span> r, <span class="keywordtype">size_t</span> length)
<a name="l02614"></a>02614 {
<a name="l02615"></a>02615 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *errpre = <span class="stringliteral">"build length"</span>;
<a name="l02616"></a>02616 <span class="keywordtype">char</span> ebuf[128];
<a name="l02617"></a>02617 <span class="keywordtype">int</span> tmp_int;
<a name="l02618"></a>02618 <span class="keywordtype">size_t</span> start_offset = *offset;
<a name="l02619"></a>02619
<a name="l02620"></a>02620 <span class="keywordflow">if</span> (length <= 0x7f) {
<a name="l02621"></a>02621 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1)
<a name="l02622"></a>02622 && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l02623"></a>02623 snprintf(ebuf, <span class="keyword">sizeof</span>(ebuf),
<a name="l02624"></a>02624 <span class="stringliteral">"%s: bad length < 1 :%ld, %lu"</span>, errpre,
<a name="l02625"></a>02625 (<span class="keywordtype">long</span>)(*pkt_len - *offset), (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)length);
<a name="l02626"></a>02626 ebuf[ <span class="keyword">sizeof</span>(ebuf)-1 ] = 0;
<a name="l02627"></a>02627 ERROR_MSG(ebuf);
<a name="l02628"></a>02628 <span class="keywordflow">return</span> 0;
<a name="l02629"></a>02629 }
<a name="l02630"></a>02630 *(*pkt + *pkt_len - (++*offset)) = length;
<a name="l02631"></a>02631 } <span class="keywordflow">else</span> {
<a name="l02632"></a>02632 <span class="keywordflow">while</span> (length > 0xff) {
<a name="l02633"></a>02633 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1)
<a name="l02634"></a>02634 && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l02635"></a>02635 snprintf(ebuf, <span class="keyword">sizeof</span>(ebuf),
<a name="l02636"></a>02636 <span class="stringliteral">"%s: bad length < 1 :%ld, %lu"</span>, errpre,
<a name="l02637"></a>02637 (<span class="keywordtype">long</span>)(*pkt_len - *offset), (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)length);
<a name="l02638"></a>02638 ebuf[ <span class="keyword">sizeof</span>(ebuf)-1 ] = 0;
<a name="l02639"></a>02639 ERROR_MSG(ebuf);
<a name="l02640"></a>02640 <span class="keywordflow">return</span> 0;
<a name="l02641"></a>02641 }
<a name="l02642"></a>02642 *(*pkt + *pkt_len - (++*offset)) = length & 0xff;
<a name="l02643"></a>02643 length >>= 8;
<a name="l02644"></a>02644 }
<a name="l02645"></a>02645
<a name="l02646"></a>02646 <span class="keywordflow">while</span> ((*pkt_len - *offset) < 2) {
<a name="l02647"></a>02647 <span class="keywordflow">if</span> (!(r && asn_realloc(pkt, pkt_len))) {
<a name="l02648"></a>02648 snprintf(ebuf, <span class="keyword">sizeof</span>(ebuf),
<a name="l02649"></a>02649 <span class="stringliteral">"%s: bad length < 1 :%ld, %lu"</span>, errpre,
<a name="l02650"></a>02650 (<span class="keywordtype">long</span>)(*pkt_len - *offset), (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)length);
<a name="l02651"></a>02651 ebuf[ <span class="keyword">sizeof</span>(ebuf)-1 ] = 0;
<a name="l02652"></a>02652 ERROR_MSG(ebuf);
<a name="l02653"></a>02653 <span class="keywordflow">return</span> 0;
<a name="l02654"></a>02654 }
<a name="l02655"></a>02655 }
<a name="l02656"></a>02656
<a name="l02657"></a>02657 *(*pkt + *pkt_len - (++*offset)) = length & 0xff;
<a name="l02658"></a>02658 tmp_int = *offset - start_offset;
<a name="l02659"></a>02659 *(*pkt + *pkt_len - (++*offset)) = tmp_int | 0x80;
<a name="l02660"></a>02660 }
<a name="l02661"></a>02661
<a name="l02662"></a>02662 <span class="keywordflow">return</span> 1;
<a name="l02663"></a>02663 }
<a name="l02664"></a>02664
<a name="l02682"></a>02682 <span class="keywordtype">int</span>
<a name="l02683"></a>02683 asn_realloc_rbuild_header(u_char ** pkt, <span class="keywordtype">size_t</span> * pkt_len,
<a name="l02684"></a>02684 <span class="keywordtype">size_t</span> * offset, <span class="keywordtype">int</span> r,
<a name="l02685"></a>02685 u_char type, <span class="keywordtype">size_t</span> length)
<a name="l02686"></a>02686 {
<a name="l02687"></a>02687 <span class="keywordtype">char</span> ebuf[128];
<a name="l02688"></a>02688
<a name="l02689"></a>02689 <span class="keywordflow">if</span> (asn_realloc_rbuild_length(pkt, pkt_len, offset, r, length)) {
<a name="l02690"></a>02690 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1)
<a name="l02691"></a>02691 && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l02692"></a>02692 snprintf(ebuf, <span class="keyword">sizeof</span>(ebuf),
<a name="l02693"></a>02693 <span class="stringliteral">"bad header length < 1 :%ld, %lu"</span>,
<a name="l02694"></a>02694 (<span class="keywordtype">long</span>)(*pkt_len - *offset), (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)length);
<a name="l02695"></a>02695 ebuf[ <span class="keyword">sizeof</span>(ebuf)-1 ] = 0;
<a name="l02696"></a>02696 ERROR_MSG(ebuf);
<a name="l02697"></a>02697 <span class="keywordflow">return</span> 0;
<a name="l02698"></a>02698 }
<a name="l02699"></a>02699 *(*pkt + *pkt_len - (++*offset)) = type;
<a name="l02700"></a>02700 <span class="keywordflow">return</span> 1;
<a name="l02701"></a>02701 }
<a name="l02702"></a>02702 <span class="keywordflow">return</span> 0;
<a name="l02703"></a>02703 }
<a name="l02704"></a>02704
<a name="l02722"></a>02722 <span class="keywordtype">int</span>
<a name="l02723"></a>02723 asn_realloc_rbuild_int(u_char ** pkt, <span class="keywordtype">size_t</span> * pkt_len,
<a name="l02724"></a>02724 <span class="keywordtype">size_t</span> * offset, <span class="keywordtype">int</span> r,
<a name="l02725"></a>02725 u_char type, <span class="keyword">const</span> <span class="keywordtype">long</span> *intp, <span class="keywordtype">size_t</span> intsize)
<a name="l02726"></a>02726 {
<a name="l02727"></a>02727 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *errpre = <span class="stringliteral">"build int"</span>;
<a name="l02728"></a>02728 <span class="keyword">register</span> <span class="keywordtype">long</span> integer = *intp;
<a name="l02729"></a>02729 <span class="keywordtype">int</span> testvalue;
<a name="l02730"></a>02730 <span class="keywordtype">size_t</span> start_offset = *offset;
<a name="l02731"></a>02731
<a name="l02732"></a>02732 <span class="keywordflow">if</span> (intsize != <span class="keyword">sizeof</span>(<span class="keywordtype">long</span>)) {
<a name="l02733"></a>02733 _asn_size_err(errpre, intsize, <span class="keyword">sizeof</span>(<span class="keywordtype">long</span>));
<a name="l02734"></a>02734 <span class="keywordflow">return</span> 0;
<a name="l02735"></a>02735 }
<a name="l02736"></a>02736
<a name="l02737"></a>02737 CHECK_OVERFLOW_S(integer,10);
<a name="l02738"></a>02738 testvalue = (integer < 0) ? -1 : 0;
<a name="l02739"></a>02739
<a name="l02740"></a>02740 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1) && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l02741"></a>02741 <span class="keywordflow">return</span> 0;
<a name="l02742"></a>02742 }
<a name="l02743"></a>02743 *(*pkt + *pkt_len - (++*offset)) = (u_char) integer;
<a name="l02744"></a>02744 integer >>= 8;
<a name="l02745"></a>02745
<a name="l02746"></a>02746 <span class="keywordflow">while</span> (integer != testvalue) {
<a name="l02747"></a>02747 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1)
<a name="l02748"></a>02748 && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l02749"></a>02749 <span class="keywordflow">return</span> 0;
<a name="l02750"></a>02750 }
<a name="l02751"></a>02751 *(*pkt + *pkt_len - (++*offset)) = (u_char) integer;
<a name="l02752"></a>02752 integer >>= 8;
<a name="l02753"></a>02753 }
<a name="l02754"></a>02754
<a name="l02755"></a>02755 <span class="keywordflow">if</span> ((*(*pkt + *pkt_len - *offset) & 0x80) != (testvalue & 0x80)) {
<a name="l02756"></a>02756 <span class="comment">/*</span>
<a name="l02757"></a>02757 <span class="comment"> * Make sure left most bit is representational of the rest of the bits</span>
<a name="l02758"></a>02758 <span class="comment"> * that aren't encoded. </span>
<a name="l02759"></a>02759 <span class="comment"> */</span>
<a name="l02760"></a>02760 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1)
<a name="l02761"></a>02761 && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l02762"></a>02762 <span class="keywordflow">return</span> 0;
<a name="l02763"></a>02763 }
<a name="l02764"></a>02764 *(*pkt + *pkt_len - (++*offset)) = testvalue & 0xff;
<a name="l02765"></a>02765 }
<a name="l02766"></a>02766
<a name="l02767"></a>02767 <span class="keywordflow">if</span> (asn_realloc_rbuild_header(pkt, pkt_len, offset, r, type,
<a name="l02768"></a>02768 (*offset - start_offset))) {
<a name="l02769"></a>02769 <span class="keywordflow">if</span> (_asn_realloc_build_header_check(errpre, pkt, pkt_len,
<a name="l02770"></a>02770 (*offset - start_offset))) {
<a name="l02771"></a>02771 <span class="keywordflow">return</span> 0;
<a name="l02772"></a>02772 } <span class="keywordflow">else</span> {
<a name="l02773"></a>02773 DEBUGDUMPSETUP(<span class="stringliteral">"send"</span>, (*pkt + *pkt_len - *offset),
<a name="l02774"></a>02774 (*offset - start_offset));
<a name="l02775"></a>02775 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">" Integer:\t%ld (0x%.2X)\n"</span>, *intp,
<a name="l02776"></a>02776 *intp));
<a name="l02777"></a>02777 <span class="keywordflow">return</span> 1;
<a name="l02778"></a>02778 }
<a name="l02779"></a>02779 }
<a name="l02780"></a>02780
<a name="l02781"></a>02781 <span class="keywordflow">return</span> 0;
<a name="l02782"></a>02782 }
<a name="l02783"></a>02783
<a name="l02802"></a>02802 <span class="keywordtype">int</span>
<a name="l02803"></a>02803 asn_realloc_rbuild_string(u_char ** pkt, <span class="keywordtype">size_t</span> * pkt_len,
<a name="l02804"></a>02804 <span class="keywordtype">size_t</span> * offset, <span class="keywordtype">int</span> r,
<a name="l02805"></a>02805 u_char type,
<a name="l02806"></a>02806 <span class="keyword">const</span> u_char * str, <span class="keywordtype">size_t</span> strlength)
<a name="l02807"></a>02807 {
<a name="l02808"></a>02808 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *errpre = <span class="stringliteral">"build string"</span>;
<a name="l02809"></a>02809 <span class="keywordtype">size_t</span> start_offset = *offset;
<a name="l02810"></a>02810
<a name="l02811"></a>02811 <span class="keywordflow">while</span> ((*pkt_len - *offset) < strlength) {
<a name="l02812"></a>02812 <span class="keywordflow">if</span> (!(r && asn_realloc(pkt, pkt_len))) {
<a name="l02813"></a>02813 <span class="keywordflow">return</span> 0;
<a name="l02814"></a>02814 }
<a name="l02815"></a>02815 }
<a name="l02816"></a>02816
<a name="l02817"></a>02817 *offset += strlength;
<a name="l02818"></a>02818 memcpy(*pkt + *pkt_len - *offset, str, strlength);
<a name="l02819"></a>02819
<a name="l02820"></a>02820 <span class="keywordflow">if</span> (asn_realloc_rbuild_header
<a name="l02821"></a>02821 (pkt, pkt_len, offset, r, type, strlength)) {
<a name="l02822"></a>02822 <span class="keywordflow">if</span> (_asn_realloc_build_header_check
<a name="l02823"></a>02823 (errpre, pkt, pkt_len, strlength)) {
<a name="l02824"></a>02824 <span class="keywordflow">return</span> 0;
<a name="l02825"></a>02825 } <span class="keywordflow">else</span> {
<a name="l02826"></a>02826 DEBUGDUMPSETUP(<span class="stringliteral">"send"</span>, (*pkt + *pkt_len - *offset),
<a name="l02827"></a>02827 *offset - start_offset);
<a name="l02828"></a>02828 DEBUGIF(<span class="stringliteral">"dumpv_send"</span>) {
<a name="l02829"></a>02829 <span class="keywordflow">if</span> (strlength == 0) {
<a name="l02830"></a>02830 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">" String: [NULL]\n"</span>));
<a name="l02831"></a>02831 } <span class="keywordflow">else</span> {
<a name="l02832"></a>02832 u_char *buf = (u_char *) malloc(2 * strlength);
<a name="l02833"></a>02833 <span class="keywordtype">size_t</span> l =
<a name="l02834"></a>02834 (buf != NULL) ? (2 * strlength) : 0, ol = 0;
<a name="l02835"></a>02835
<a name="l02836"></a>02836 <span class="keywordflow">if</span> (<a class="code" href="group__mib__utilities.html#ga7ff1971fc340b2789d48895086bf3230" title="Prints an ascii string into a buffer.">sprint_realloc_asciistring</a>
<a name="l02837"></a>02837 (&buf, &l, &ol, 1, str, strlength)) {
<a name="l02838"></a>02838 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">" String:\t%s\n"</span>, buf));
<a name="l02839"></a>02839 } <span class="keywordflow">else</span> {
<a name="l02840"></a>02840 <span class="keywordflow">if</span> (buf == NULL) {
<a name="l02841"></a>02841 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>,
<a name="l02842"></a>02842 <span class="stringliteral">" String:\t[TRUNCATED]\n"</span>));
<a name="l02843"></a>02843 } <span class="keywordflow">else</span> {
<a name="l02844"></a>02844 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>,
<a name="l02845"></a>02845 <span class="stringliteral">" String:\t%s [TRUNCATED]\n"</span>, buf));
<a name="l02846"></a>02846 }
<a name="l02847"></a>02847 }
<a name="l02848"></a>02848 <span class="keywordflow">if</span> (buf != NULL) {
<a name="l02849"></a>02849 free(buf);
<a name="l02850"></a>02850 }
<a name="l02851"></a>02851 }
<a name="l02852"></a>02852 }
<a name="l02853"></a>02853 }
<a name="l02854"></a>02854 <span class="keywordflow">return</span> 1;
<a name="l02855"></a>02855 }
<a name="l02856"></a>02856
<a name="l02857"></a>02857 <span class="keywordflow">return</span> 0;
<a name="l02858"></a>02858 }
<a name="l02859"></a>02859
<a name="l02877"></a>02877 <span class="keywordtype">int</span>
<a name="l02878"></a>02878 asn_realloc_rbuild_unsigned_int(u_char ** pkt, <span class="keywordtype">size_t</span> * pkt_len,
<a name="l02879"></a>02879 <span class="keywordtype">size_t</span> * offset, <span class="keywordtype">int</span> r,
<a name="l02880"></a>02880 u_char type, <span class="keyword">const</span> u_long * intp, <span class="keywordtype">size_t</span> intsize)
<a name="l02881"></a>02881 {
<a name="l02882"></a>02882 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *errpre = <span class="stringliteral">"build uint"</span>;
<a name="l02883"></a>02883 <span class="keyword">register</span> u_long integer = *intp;
<a name="l02884"></a>02884 <span class="keywordtype">size_t</span> start_offset = *offset;
<a name="l02885"></a>02885
<a name="l02886"></a>02886 <span class="keywordflow">if</span> (intsize != <span class="keyword">sizeof</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)) {
<a name="l02887"></a>02887 _asn_size_err(errpre, intsize, <span class="keyword">sizeof</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>));
<a name="l02888"></a>02888 <span class="keywordflow">return</span> 0;
<a name="l02889"></a>02889 }
<a name="l02890"></a>02890
<a name="l02891"></a>02891 CHECK_OVERFLOW_U(integer,11);
<a name="l02892"></a>02892
<a name="l02893"></a>02893 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1) && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l02894"></a>02894 <span class="keywordflow">return</span> 0;
<a name="l02895"></a>02895 }
<a name="l02896"></a>02896 *(*pkt + *pkt_len - (++*offset)) = (u_char) integer;
<a name="l02897"></a>02897 integer >>= 8;
<a name="l02898"></a>02898
<a name="l02899"></a>02899 <span class="keywordflow">while</span> (integer != 0) {
<a name="l02900"></a>02900 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1)
<a name="l02901"></a>02901 && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l02902"></a>02902 <span class="keywordflow">return</span> 0;
<a name="l02903"></a>02903 }
<a name="l02904"></a>02904 *(*pkt + *pkt_len - (++*offset)) = (u_char) integer;
<a name="l02905"></a>02905 integer >>= 8;
<a name="l02906"></a>02906 }
<a name="l02907"></a>02907
<a name="l02908"></a>02908 <span class="keywordflow">if</span> ((*(*pkt + *pkt_len - *offset) & 0x80) != (0 & 0x80)) {
<a name="l02909"></a>02909 <span class="comment">/*</span>
<a name="l02910"></a>02910 <span class="comment"> * Make sure left most bit is representational of the rest of the bits</span>
<a name="l02911"></a>02911 <span class="comment"> * that aren't encoded. </span>
<a name="l02912"></a>02912 <span class="comment"> */</span>
<a name="l02913"></a>02913 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1)
<a name="l02914"></a>02914 && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l02915"></a>02915 <span class="keywordflow">return</span> 0;
<a name="l02916"></a>02916 }
<a name="l02917"></a>02917 *(*pkt + *pkt_len - (++*offset)) = 0;
<a name="l02918"></a>02918 }
<a name="l02919"></a>02919
<a name="l02920"></a>02920 <span class="keywordflow">if</span> (asn_realloc_rbuild_header(pkt, pkt_len, offset, r, type,
<a name="l02921"></a>02921 (*offset - start_offset))) {
<a name="l02922"></a>02922 <span class="keywordflow">if</span> (_asn_realloc_build_header_check(errpre, pkt, pkt_len,
<a name="l02923"></a>02923 (*offset - start_offset))) {
<a name="l02924"></a>02924 <span class="keywordflow">return</span> 0;
<a name="l02925"></a>02925 } <span class="keywordflow">else</span> {
<a name="l02926"></a>02926 DEBUGDUMPSETUP(<span class="stringliteral">"send"</span>, (*pkt + *pkt_len - *offset),
<a name="l02927"></a>02927 (*offset - start_offset));
<a name="l02928"></a>02928 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">" UInteger:\t%lu (0x%.2X)\n"</span>, *intp,
<a name="l02929"></a>02929 *intp));
<a name="l02930"></a>02930 <span class="keywordflow">return</span> 1;
<a name="l02931"></a>02931 }
<a name="l02932"></a>02932 }
<a name="l02933"></a>02933
<a name="l02934"></a>02934 <span class="keywordflow">return</span> 0;
<a name="l02935"></a>02935 }
<a name="l02936"></a>02936
<a name="l02954"></a>02954 <span class="keywordtype">int</span>
<a name="l02955"></a>02955 asn_realloc_rbuild_sequence(u_char ** pkt, <span class="keywordtype">size_t</span> * pkt_len,
<a name="l02956"></a>02956 <span class="keywordtype">size_t</span> * offset, <span class="keywordtype">int</span> r,
<a name="l02957"></a>02957 u_char type, <span class="keywordtype">size_t</span> length)
<a name="l02958"></a>02958 {
<a name="l02959"></a>02959 <span class="keywordflow">return</span> asn_realloc_rbuild_header(pkt, pkt_len, offset, r, type,
<a name="l02960"></a>02960 length);
<a name="l02961"></a>02961 }
<a name="l02962"></a>02962
<a name="l02981"></a>02981 <span class="keywordtype">int</span>
<a name="l02982"></a>02982 asn_realloc_rbuild_objid(u_char ** pkt, <span class="keywordtype">size_t</span> * pkt_len,
<a name="l02983"></a>02983 <span class="keywordtype">size_t</span> * offset, <span class="keywordtype">int</span> r,
<a name="l02984"></a>02984 u_char type,
<a name="l02985"></a>02985 <span class="keyword">const</span> oid * objid, <span class="keywordtype">size_t</span> objidlength)
<a name="l02986"></a>02986 {
<a name="l02987"></a>02987 <span class="comment">/*</span>
<a name="l02988"></a>02988 <span class="comment"> * ASN.1 objid ::= 0x06 asnlength subidentifier {subidentifier}*</span>
<a name="l02989"></a>02989 <span class="comment"> * subidentifier ::= {leadingbyte}* lastbyte</span>
<a name="l02990"></a>02990 <span class="comment"> * leadingbyte ::= 1 7bitvalue</span>
<a name="l02991"></a>02991 <span class="comment"> * lastbyte ::= 0 7bitvalue</span>
<a name="l02992"></a>02992 <span class="comment"> */</span>
<a name="l02993"></a>02993 <span class="keyword">register</span> <span class="keywordtype">size_t</span> i;
<a name="l02994"></a>02994 <span class="keyword">register</span> oid tmpint;
<a name="l02995"></a>02995 <span class="keywordtype">size_t</span> start_offset = *offset;
<a name="l02996"></a>02996 <span class="keyword">const</span> <span class="keywordtype">char</span> *errpre = <span class="stringliteral">"build objid"</span>;
<a name="l02997"></a>02997
<a name="l02998"></a>02998 <span class="comment">/*</span>
<a name="l02999"></a>02999 <span class="comment"> * Check if there are at least 2 sub-identifiers. </span>
<a name="l03000"></a>03000 <span class="comment"> */</span>
<a name="l03001"></a>03001 <span class="keywordflow">if</span> (objidlength == 0) {
<a name="l03002"></a>03002 <span class="comment">/*</span>
<a name="l03003"></a>03003 <span class="comment"> * There are not, so make OID have two with value of zero. </span>
<a name="l03004"></a>03004 <span class="comment"> */</span>
<a name="l03005"></a>03005 <span class="keywordflow">while</span> ((*pkt_len - *offset) < 2) {
<a name="l03006"></a>03006 <span class="keywordflow">if</span> (!(r && asn_realloc(pkt, pkt_len))) {
<a name="l03007"></a>03007 <span class="keywordflow">return</span> 0;
<a name="l03008"></a>03008 }
<a name="l03009"></a>03009 }
<a name="l03010"></a>03010
<a name="l03011"></a>03011 *(*pkt + *pkt_len - (++*offset)) = 0;
<a name="l03012"></a>03012 *(*pkt + *pkt_len - (++*offset)) = 0;
<a name="l03013"></a>03013 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (objid[0] > 2) {
<a name="l03014"></a>03014 ERROR_MSG(<span class="stringliteral">"build objid: bad first subidentifier"</span>);
<a name="l03015"></a>03015 <span class="keywordflow">return</span> 0;
<a name="l03016"></a>03016 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (objidlength == 1) {
<a name="l03017"></a>03017 <span class="comment">/*</span>
<a name="l03018"></a>03018 <span class="comment"> * Encode the first value. </span>
<a name="l03019"></a>03019 <span class="comment"> */</span>
<a name="l03020"></a>03020 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1)
<a name="l03021"></a>03021 && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l03022"></a>03022 <span class="keywordflow">return</span> 0;
<a name="l03023"></a>03023 }
<a name="l03024"></a>03024 *(*pkt + *pkt_len - (++*offset)) = (u_char) objid[0];
<a name="l03025"></a>03025 } <span class="keywordflow">else</span> {
<a name="l03026"></a>03026 <span class="keywordflow">for</span> (i = objidlength; i > 2; i--) {
<a name="l03027"></a>03027 tmpint = objid[i - 1];
<a name="l03028"></a>03028 CHECK_OVERFLOW_U(tmpint,12);
<a name="l03029"></a>03029
<a name="l03030"></a>03030 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1)
<a name="l03031"></a>03031 && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l03032"></a>03032 <span class="keywordflow">return</span> 0;
<a name="l03033"></a>03033 }
<a name="l03034"></a>03034 *(*pkt + *pkt_len - (++*offset)) = (u_char) tmpint & 0x7f;
<a name="l03035"></a>03035 tmpint >>= 7;
<a name="l03036"></a>03036
<a name="l03037"></a>03037 <span class="keywordflow">while</span> (tmpint > 0) {
<a name="l03038"></a>03038 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1)
<a name="l03039"></a>03039 && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l03040"></a>03040 <span class="keywordflow">return</span> 0;
<a name="l03041"></a>03041 }
<a name="l03042"></a>03042 *(*pkt + *pkt_len - (++*offset)) =
<a name="l03043"></a>03043 (u_char) ((tmpint & 0x7f) | 0x80);
<a name="l03044"></a>03044 tmpint >>= 7;
<a name="l03045"></a>03045 }
<a name="l03046"></a>03046 }
<a name="l03047"></a>03047
<a name="l03048"></a>03048 <span class="comment">/*</span>
<a name="l03049"></a>03049 <span class="comment"> * Combine the first two values. </span>
<a name="l03050"></a>03050 <span class="comment"> */</span>
<a name="l03051"></a>03051 <span class="keywordflow">if</span> ((objid[1] > 40) &&
<a name="l03052"></a>03052 (objid[0] < 2)) {
<a name="l03053"></a>03053 ERROR_MSG(<span class="stringliteral">"build objid: bad second subidentifier"</span>);
<a name="l03054"></a>03054 <span class="keywordflow">return</span> 0;
<a name="l03055"></a>03055 }
<a name="l03056"></a>03056 tmpint = ((objid[0] * 40) + objid[1]);
<a name="l03057"></a>03057 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1)
<a name="l03058"></a>03058 && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l03059"></a>03059 <span class="keywordflow">return</span> 0;
<a name="l03060"></a>03060 }
<a name="l03061"></a>03061 *(*pkt + *pkt_len - (++*offset)) = (u_char) tmpint & 0x7f;
<a name="l03062"></a>03062 tmpint >>= 7;
<a name="l03063"></a>03063
<a name="l03064"></a>03064 <span class="keywordflow">while</span> (tmpint > 0) {
<a name="l03065"></a>03065 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1)
<a name="l03066"></a>03066 && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l03067"></a>03067 <span class="keywordflow">return</span> 0;
<a name="l03068"></a>03068 }
<a name="l03069"></a>03069 *(*pkt + *pkt_len - (++*offset)) =
<a name="l03070"></a>03070 (u_char) ((tmpint & 0x7f) | 0x80);
<a name="l03071"></a>03071 tmpint >>= 7;
<a name="l03072"></a>03072 }
<a name="l03073"></a>03073 }
<a name="l03074"></a>03074
<a name="l03075"></a>03075 tmpint = *offset - start_offset;
<a name="l03076"></a>03076 <span class="keywordflow">if</span> (asn_realloc_rbuild_header(pkt, pkt_len, offset, r, type,
<a name="l03077"></a>03077 (*offset - start_offset))) {
<a name="l03078"></a>03078 <span class="keywordflow">if</span> (_asn_realloc_build_header_check(errpre, pkt, pkt_len,
<a name="l03079"></a>03079 (*offset - start_offset))) {
<a name="l03080"></a>03080 <span class="keywordflow">return</span> 0;
<a name="l03081"></a>03081 } <span class="keywordflow">else</span> {
<a name="l03082"></a>03082 DEBUGDUMPSETUP(<span class="stringliteral">"send"</span>, (*pkt + *pkt_len - *offset),
<a name="l03083"></a>03083 (*offset - start_offset));
<a name="l03084"></a>03084 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">" ObjID: "</span>));
<a name="l03085"></a>03085 DEBUGMSGOID((<span class="stringliteral">"dumpv_send"</span>, objid, objidlength));
<a name="l03086"></a>03086 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">"\n"</span>));
<a name="l03087"></a>03087 <span class="keywordflow">return</span> 1;
<a name="l03088"></a>03088 }
<a name="l03089"></a>03089 }
<a name="l03090"></a>03090
<a name="l03091"></a>03091 <span class="keywordflow">return</span> 0;
<a name="l03092"></a>03092 }
<a name="l03093"></a>03093
<a name="l03110"></a>03110 <span class="keywordtype">int</span>
<a name="l03111"></a>03111 asn_realloc_rbuild_null(u_char ** pkt, <span class="keywordtype">size_t</span> * pkt_len,
<a name="l03112"></a>03112 <span class="keywordtype">size_t</span> * offset, <span class="keywordtype">int</span> r, u_char type)
<a name="l03113"></a>03113 {
<a name="l03114"></a>03114 <span class="comment">/*</span>
<a name="l03115"></a>03115 <span class="comment"> * ASN.1 null ::= 0x05 0x00</span>
<a name="l03116"></a>03116 <span class="comment"> */</span>
<a name="l03117"></a>03117 <span class="keywordtype">size_t</span> start_offset = *offset;
<a name="l03118"></a>03118
<a name="l03119"></a>03119 <span class="keywordflow">if</span> (asn_realloc_rbuild_header(pkt, pkt_len, offset, r, type, 0)) {
<a name="l03120"></a>03120 DEBUGDUMPSETUP(<span class="stringliteral">"send"</span>, (*pkt + *pkt_len - *offset),
<a name="l03121"></a>03121 (*offset - start_offset));
<a name="l03122"></a>03122 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">" NULL\n"</span>));
<a name="l03123"></a>03123 <span class="keywordflow">return</span> 1;
<a name="l03124"></a>03124 } <span class="keywordflow">else</span> {
<a name="l03125"></a>03125 <span class="keywordflow">return</span> 0;
<a name="l03126"></a>03126 }
<a name="l03127"></a>03127 }
<a name="l03128"></a>03128
<a name="l03147"></a>03147 <span class="keywordtype">int</span>
<a name="l03148"></a>03148 asn_realloc_rbuild_bitstring(u_char ** pkt, <span class="keywordtype">size_t</span> * pkt_len,
<a name="l03149"></a>03149 <span class="keywordtype">size_t</span> * offset, <span class="keywordtype">int</span> r,
<a name="l03150"></a>03150 u_char type,
<a name="l03151"></a>03151 <span class="keyword">const</span> u_char * str, <span class="keywordtype">size_t</span> strlength)
<a name="l03152"></a>03152 {
<a name="l03153"></a>03153 <span class="comment">/*</span>
<a name="l03154"></a>03154 <span class="comment"> * ASN.1 bit string ::= 0x03 asnlength unused {byte}*</span>
<a name="l03155"></a>03155 <span class="comment"> */</span>
<a name="l03156"></a>03156 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *errpre = <span class="stringliteral">"build bitstring"</span>;
<a name="l03157"></a>03157 <span class="keywordtype">size_t</span> start_offset = *offset;
<a name="l03158"></a>03158
<a name="l03159"></a>03159 <span class="keywordflow">while</span> ((*pkt_len - *offset) < strlength) {
<a name="l03160"></a>03160 <span class="keywordflow">if</span> (!(r && asn_realloc(pkt, pkt_len))) {
<a name="l03161"></a>03161 <span class="keywordflow">return</span> 0;
<a name="l03162"></a>03162 }
<a name="l03163"></a>03163 }
<a name="l03164"></a>03164
<a name="l03165"></a>03165 *offset += strlength;
<a name="l03166"></a>03166 memcpy(*pkt + *pkt_len - *offset, str, strlength);
<a name="l03167"></a>03167
<a name="l03168"></a>03168 <span class="keywordflow">if</span> (asn_realloc_rbuild_header
<a name="l03169"></a>03169 (pkt, pkt_len, offset, r, type, strlength)) {
<a name="l03170"></a>03170 <span class="keywordflow">if</span> (_asn_realloc_build_header_check
<a name="l03171"></a>03171 (errpre, pkt, pkt_len, strlength)) {
<a name="l03172"></a>03172 <span class="keywordflow">return</span> 0;
<a name="l03173"></a>03173 } <span class="keywordflow">else</span> {
<a name="l03174"></a>03174 DEBUGDUMPSETUP(<span class="stringliteral">"send"</span>, (*pkt + *pkt_len - *offset),
<a name="l03175"></a>03175 *offset - start_offset);
<a name="l03176"></a>03176 DEBUGIF(<span class="stringliteral">"dumpv_send"</span>) {
<a name="l03177"></a>03177 <span class="keywordflow">if</span> (strlength == 0) {
<a name="l03178"></a>03178 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">" Bitstring: [NULL]\n"</span>));
<a name="l03179"></a>03179 } <span class="keywordflow">else</span> {
<a name="l03180"></a>03180 u_char *buf = (u_char *) malloc(2 * strlength);
<a name="l03181"></a>03181 <span class="keywordtype">size_t</span> l =
<a name="l03182"></a>03182 (buf != NULL) ? (2 * strlength) : 0, ol = 0;
<a name="l03183"></a>03183
<a name="l03184"></a>03184 <span class="keywordflow">if</span> (<a class="code" href="group__mib__utilities.html#ga7ff1971fc340b2789d48895086bf3230" title="Prints an ascii string into a buffer.">sprint_realloc_asciistring</a>
<a name="l03185"></a>03185 (&buf, &l, &ol, 1, str, strlength)) {
<a name="l03186"></a>03186 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">" Bitstring:\t%s\n"</span>,
<a name="l03187"></a>03187 buf));
<a name="l03188"></a>03188 } <span class="keywordflow">else</span> {
<a name="l03189"></a>03189 <span class="keywordflow">if</span> (buf == NULL) {
<a name="l03190"></a>03190 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>,
<a name="l03191"></a>03191 <span class="stringliteral">" Bitstring:\t[TRUNCATED]\n"</span>));
<a name="l03192"></a>03192 } <span class="keywordflow">else</span> {
<a name="l03193"></a>03193 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>,
<a name="l03194"></a>03194 <span class="stringliteral">" Bitstring:\t%s [TRUNCATED]\n"</span>,
<a name="l03195"></a>03195 buf));
<a name="l03196"></a>03196 }
<a name="l03197"></a>03197 }
<a name="l03198"></a>03198 <span class="keywordflow">if</span> (buf != NULL) {
<a name="l03199"></a>03199 free(buf);
<a name="l03200"></a>03200 }
<a name="l03201"></a>03201 }
<a name="l03202"></a>03202 }
<a name="l03203"></a>03203 }
<a name="l03204"></a>03204 <span class="keywordflow">return</span> 1;
<a name="l03205"></a>03205 }
<a name="l03206"></a>03206
<a name="l03207"></a>03207 <span class="keywordflow">return</span> 0;
<a name="l03208"></a>03208 }
<a name="l03209"></a>03209
<a name="l03227"></a>03227 <span class="keywordtype">int</span>
<a name="l03228"></a>03228 asn_realloc_rbuild_unsigned_int64(u_char ** pkt, <span class="keywordtype">size_t</span> * pkt_len,
<a name="l03229"></a>03229 <span class="keywordtype">size_t</span> * offset, <span class="keywordtype">int</span> r,
<a name="l03230"></a>03230 u_char type,
<a name="l03231"></a>03231 <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structcounter64.html">counter64</a> *cp, <span class="keywordtype">size_t</span> countersize)
<a name="l03232"></a>03232 {
<a name="l03233"></a>03233 <span class="comment">/*</span>
<a name="l03234"></a>03234 <span class="comment"> * ASN.1 integer ::= 0x02 asnlength byte {byte}*</span>
<a name="l03235"></a>03235 <span class="comment"> */</span>
<a name="l03236"></a>03236 <span class="keyword">register</span> u_long low = cp->low, high = cp->high;
<a name="l03237"></a>03237 <span class="keywordtype">size_t</span> intsize, start_offset = *offset;
<a name="l03238"></a>03238 <span class="keywordtype">int</span> count;
<a name="l03239"></a>03239
<a name="l03240"></a>03240 <span class="keywordflow">if</span> (countersize != <span class="keyword">sizeof</span>(<span class="keyword">struct</span> <a class="code" href="structcounter64.html">counter64</a>)) {
<a name="l03241"></a>03241 _asn_size_err(<span class="stringliteral">"build uint64"</span>, countersize,
<a name="l03242"></a>03242 <span class="keyword">sizeof</span>(<span class="keyword">struct</span> <a class="code" href="structcounter64.html">counter64</a>));
<a name="l03243"></a>03243 <span class="keywordflow">return</span> 0;
<a name="l03244"></a>03244 }
<a name="l03245"></a>03245
<a name="l03246"></a>03246 CHECK_OVERFLOW_U(high,13);
<a name="l03247"></a>03247 CHECK_OVERFLOW_U(low,13);
<a name="l03248"></a>03248
<a name="l03249"></a>03249 <span class="comment">/*</span>
<a name="l03250"></a>03250 <span class="comment"> * Encode the low 4 bytes first. </span>
<a name="l03251"></a>03251 <span class="comment"> */</span>
<a name="l03252"></a>03252 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1) && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l03253"></a>03253 <span class="keywordflow">return</span> 0;
<a name="l03254"></a>03254 }
<a name="l03255"></a>03255 *(*pkt + *pkt_len - (++*offset)) = (u_char) low;
<a name="l03256"></a>03256 low >>= 8;
<a name="l03257"></a>03257 count = 1;
<a name="l03258"></a>03258
<a name="l03259"></a>03259 <span class="keywordflow">while</span> (low != 0) {
<a name="l03260"></a>03260 count++;
<a name="l03261"></a>03261 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1)
<a name="l03262"></a>03262 && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l03263"></a>03263 <span class="keywordflow">return</span> 0;
<a name="l03264"></a>03264 }
<a name="l03265"></a>03265 *(*pkt + *pkt_len - (++*offset)) = (u_char) low;
<a name="l03266"></a>03266 low >>= 8;
<a name="l03267"></a>03267 }
<a name="l03268"></a>03268
<a name="l03269"></a>03269 <span class="comment">/*</span>
<a name="l03270"></a>03270 <span class="comment"> * Then the high byte if present. </span>
<a name="l03271"></a>03271 <span class="comment"> */</span>
<a name="l03272"></a>03272 <span class="keywordflow">if</span> (high) {
<a name="l03273"></a>03273 <span class="comment">/*</span>
<a name="l03274"></a>03274 <span class="comment"> * Do the rest of the low byte. </span>
<a name="l03275"></a>03275 <span class="comment"> */</span>
<a name="l03276"></a>03276 <span class="keywordflow">for</span> (; count < 4; count++) {
<a name="l03277"></a>03277 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1)
<a name="l03278"></a>03278 && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l03279"></a>03279 <span class="keywordflow">return</span> 0;
<a name="l03280"></a>03280 }
<a name="l03281"></a>03281 *(*pkt + *pkt_len - (++*offset)) = 0;
<a name="l03282"></a>03282 }
<a name="l03283"></a>03283
<a name="l03284"></a>03284 <span class="comment">/*</span>
<a name="l03285"></a>03285 <span class="comment"> * Do high byte. </span>
<a name="l03286"></a>03286 <span class="comment"> */</span>
<a name="l03287"></a>03287 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1)
<a name="l03288"></a>03288 && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l03289"></a>03289 <span class="keywordflow">return</span> 0;
<a name="l03290"></a>03290 }
<a name="l03291"></a>03291 *(*pkt + *pkt_len - (++*offset)) = (u_char) high;
<a name="l03292"></a>03292 high >>= 8;
<a name="l03293"></a>03293
<a name="l03294"></a>03294 <span class="keywordflow">while</span> (high != 0) {
<a name="l03295"></a>03295 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1)
<a name="l03296"></a>03296 && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l03297"></a>03297 <span class="keywordflow">return</span> 0;
<a name="l03298"></a>03298 }
<a name="l03299"></a>03299 *(*pkt + *pkt_len - (++*offset)) = (u_char) high;
<a name="l03300"></a>03300 high >>= 8;
<a name="l03301"></a>03301 }
<a name="l03302"></a>03302 }
<a name="l03303"></a>03303
<a name="l03304"></a>03304 <span class="keywordflow">if</span> ((*(*pkt + *pkt_len - *offset) & 0x80) != (0 & 0x80)) {
<a name="l03305"></a>03305 <span class="comment">/*</span>
<a name="l03306"></a>03306 <span class="comment"> * Make sure left most bit is representational of the rest of the bits</span>
<a name="l03307"></a>03307 <span class="comment"> * that aren't encoded. </span>
<a name="l03308"></a>03308 <span class="comment"> */</span>
<a name="l03309"></a>03309 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1)
<a name="l03310"></a>03310 && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l03311"></a>03311 <span class="keywordflow">return</span> 0;
<a name="l03312"></a>03312 }
<a name="l03313"></a>03313 *(*pkt + *pkt_len - (++*offset)) = 0;
<a name="l03314"></a>03314 }
<a name="l03315"></a>03315
<a name="l03316"></a>03316 intsize = *offset - start_offset;
<a name="l03317"></a>03317
<a name="l03318"></a>03318 <span class="preprocessor">#ifdef NETSNMP_WITH_OPAQUE_SPECIAL_TYPES</span>
<a name="l03319"></a>03319 <span class="preprocessor"></span> <span class="comment">/*</span>
<a name="l03320"></a>03320 <span class="comment"> * Encode a Counter64 as an opaque (it also works in SNMPv1). </span>
<a name="l03321"></a>03321 <span class="comment"> */</span>
<a name="l03322"></a>03322 <span class="keywordflow">if</span> (type == ASN_OPAQUE_COUNTER64) {
<a name="l03323"></a>03323 <span class="keywordflow">while</span> ((*pkt_len - *offset) < 5) {
<a name="l03324"></a>03324 <span class="keywordflow">if</span> (!(r && asn_realloc(pkt, pkt_len))) {
<a name="l03325"></a>03325 <span class="keywordflow">return</span> 0;
<a name="l03326"></a>03326 }
<a name="l03327"></a>03327 }
<a name="l03328"></a>03328
<a name="l03329"></a>03329 *(*pkt + *pkt_len - (++*offset)) = (u_char) intsize;
<a name="l03330"></a>03330 *(*pkt + *pkt_len - (++*offset)) = ASN_OPAQUE_COUNTER64;
<a name="l03331"></a>03331 *(*pkt + *pkt_len - (++*offset)) = ASN_OPAQUE_TAG1;
<a name="l03332"></a>03332
<a name="l03333"></a>03333 <span class="comment">/*</span>
<a name="l03334"></a>03334 <span class="comment"> * Put the tag and length for the Opaque wrapper. </span>
<a name="l03335"></a>03335 <span class="comment"> */</span>
<a name="l03336"></a>03336 <span class="keywordflow">if</span> (asn_realloc_rbuild_header(pkt, pkt_len, offset, r,
<a name="l03337"></a>03337 ASN_OPAQUE, intsize + 3)) {
<a name="l03338"></a>03338 <span class="keywordflow">if</span> (_asn_realloc_build_header_check
<a name="l03339"></a>03339 (<span class="stringliteral">"build counter u64"</span>, pkt, pkt_len, intsize + 3)) {
<a name="l03340"></a>03340 <span class="keywordflow">return</span> 0;
<a name="l03341"></a>03341 }
<a name="l03342"></a>03342 } <span class="keywordflow">else</span> {
<a name="l03343"></a>03343 <span class="keywordflow">return</span> 0;
<a name="l03344"></a>03344 }
<a name="l03345"></a>03345 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (type == ASN_OPAQUE_U64) {
<a name="l03346"></a>03346 <span class="comment">/*</span>
<a name="l03347"></a>03347 <span class="comment"> * Encode the Unsigned int64 in an opaque. </span>
<a name="l03348"></a>03348 <span class="comment"> */</span>
<a name="l03349"></a>03349 <span class="keywordflow">while</span> ((*pkt_len - *offset) < 5) {
<a name="l03350"></a>03350 <span class="keywordflow">if</span> (!(r && asn_realloc(pkt, pkt_len))) {
<a name="l03351"></a>03351 <span class="keywordflow">return</span> 0;
<a name="l03352"></a>03352 }
<a name="l03353"></a>03353 }
<a name="l03354"></a>03354
<a name="l03355"></a>03355 *(*pkt + *pkt_len - (++*offset)) = (u_char) intsize;
<a name="l03356"></a>03356 *(*pkt + *pkt_len - (++*offset)) = ASN_OPAQUE_U64;
<a name="l03357"></a>03357 *(*pkt + *pkt_len - (++*offset)) = ASN_OPAQUE_TAG1;
<a name="l03358"></a>03358
<a name="l03359"></a>03359 <span class="comment">/*</span>
<a name="l03360"></a>03360 <span class="comment"> * Put the tag and length for the Opaque wrapper. </span>
<a name="l03361"></a>03361 <span class="comment"> */</span>
<a name="l03362"></a>03362 <span class="keywordflow">if</span> (asn_realloc_rbuild_header(pkt, pkt_len, offset, r,
<a name="l03363"></a>03363 ASN_OPAQUE, intsize + 3)) {
<a name="l03364"></a>03364 <span class="keywordflow">if</span> (_asn_realloc_build_header_check
<a name="l03365"></a>03365 (<span class="stringliteral">"build counter u64"</span>, pkt, pkt_len, intsize + 3)) {
<a name="l03366"></a>03366 <span class="keywordflow">return</span> 0;
<a name="l03367"></a>03367 }
<a name="l03368"></a>03368 } <span class="keywordflow">else</span> {
<a name="l03369"></a>03369 <span class="keywordflow">return</span> 0;
<a name="l03370"></a>03370 }
<a name="l03371"></a>03371 } <span class="keywordflow">else</span> {
<a name="l03372"></a>03372
<a name="l03373"></a>03373 <span class="preprocessor">#endif </span><span class="comment">/* NETSNMP_WITH_OPAQUE_SPECIAL_TYPES */</span>
<a name="l03374"></a>03374 <span class="keywordflow">if</span> (asn_realloc_rbuild_header
<a name="l03375"></a>03375 (pkt, pkt_len, offset, r, type, intsize)) {
<a name="l03376"></a>03376 <span class="keywordflow">if</span> (_asn_realloc_build_header_check
<a name="l03377"></a>03377 (<span class="stringliteral">"build uint64"</span>, pkt, pkt_len, intsize)) {
<a name="l03378"></a>03378 <span class="keywordflow">return</span> 0;
<a name="l03379"></a>03379 }
<a name="l03380"></a>03380 } <span class="keywordflow">else</span> {
<a name="l03381"></a>03381 <span class="keywordflow">return</span> 0;
<a name="l03382"></a>03382 }
<a name="l03383"></a>03383 <span class="preprocessor">#ifdef NETSNMP_WITH_OPAQUE_SPECIAL_TYPES</span>
<a name="l03384"></a>03384 <span class="preprocessor"></span> }
<a name="l03385"></a>03385 <span class="preprocessor">#endif </span><span class="comment">/* NETSNMP_WITH_OPAQUE_SPECIAL_TYPES */</span>
<a name="l03386"></a>03386
<a name="l03387"></a>03387 DEBUGDUMPSETUP(<span class="stringliteral">"send"</span>, (*pkt + *pkt_len - *offset), intsize);
<a name="l03388"></a>03388 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">" U64:\t%lu %lu\n"</span>, cp->high, cp->low));
<a name="l03389"></a>03389 <span class="keywordflow">return</span> 1;
<a name="l03390"></a>03390 }
<a name="l03391"></a>03391
<a name="l03392"></a>03392 <span class="preprocessor">#ifdef NETSNMP_WITH_OPAQUE_SPECIAL_TYPES</span>
<a name="l03393"></a>03393 <span class="preprocessor"></span>
<a name="l03394"></a>03394
<a name="l03412"></a>03412 <span class="keywordtype">int</span>
<a name="l03413"></a>03413 asn_realloc_rbuild_signed_int64(u_char ** pkt, <span class="keywordtype">size_t</span> * pkt_len,
<a name="l03414"></a>03414 <span class="keywordtype">size_t</span> * offset, <span class="keywordtype">int</span> r,
<a name="l03415"></a>03415 u_char type,
<a name="l03416"></a>03416 <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structcounter64.html">counter64</a> *cp, <span class="keywordtype">size_t</span> countersize)
<a name="l03417"></a>03417 {
<a name="l03418"></a>03418 <span class="comment">/*</span>
<a name="l03419"></a>03419 <span class="comment"> * ASN.1 integer ::= 0x02 asnlength byte {byte}*</span>
<a name="l03420"></a>03420 <span class="comment"> */</span>
<a name="l03421"></a>03421 <span class="keyword">register</span> <span class="keywordtype">long</span> low = cp->low, high = cp->high;
<a name="l03422"></a>03422 <span class="keywordtype">size_t</span> intsize, start_offset = *offset;
<a name="l03423"></a>03423 <span class="keywordtype">int</span> count, testvalue = (high & 0x80000000) ? -1 : 0;
<a name="l03424"></a>03424
<a name="l03425"></a>03425 <span class="keywordflow">if</span> (countersize != <span class="keyword">sizeof</span>(<span class="keyword">struct</span> <a class="code" href="structcounter64.html">counter64</a>)) {
<a name="l03426"></a>03426 _asn_size_err(<span class="stringliteral">"build uint64"</span>, countersize,
<a name="l03427"></a>03427 <span class="keyword">sizeof</span>(<span class="keyword">struct</span> <a class="code" href="structcounter64.html">counter64</a>));
<a name="l03428"></a>03428 <span class="keywordflow">return</span> 0;
<a name="l03429"></a>03429 }
<a name="l03430"></a>03430
<a name="l03431"></a>03431 CHECK_OVERFLOW_S(high,14);
<a name="l03432"></a>03432 CHECK_OVERFLOW_U(low,14);
<a name="l03433"></a>03433
<a name="l03434"></a>03434 <span class="comment">/*</span>
<a name="l03435"></a>03435 <span class="comment"> * Encode the low 4 bytes first. </span>
<a name="l03436"></a>03436 <span class="comment"> */</span>
<a name="l03437"></a>03437 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1) && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l03438"></a>03438 <span class="keywordflow">return</span> 0;
<a name="l03439"></a>03439 }
<a name="l03440"></a>03440 *(*pkt + *pkt_len - (++*offset)) = (u_char) low;
<a name="l03441"></a>03441 low >>= 8;
<a name="l03442"></a>03442 count = 1;
<a name="l03443"></a>03443
<a name="l03444"></a>03444 <span class="keywordflow">while</span> ((<span class="keywordtype">int</span>) low != testvalue && count < 4) {
<a name="l03445"></a>03445 count++;
<a name="l03446"></a>03446 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1)
<a name="l03447"></a>03447 && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l03448"></a>03448 <span class="keywordflow">return</span> 0;
<a name="l03449"></a>03449 }
<a name="l03450"></a>03450 *(*pkt + *pkt_len - (++*offset)) = (u_char) low;
<a name="l03451"></a>03451 low >>= 8;
<a name="l03452"></a>03452 }
<a name="l03453"></a>03453
<a name="l03454"></a>03454 <span class="comment">/*</span>
<a name="l03455"></a>03455 <span class="comment"> * Then the high byte if present. </span>
<a name="l03456"></a>03456 <span class="comment"> */</span>
<a name="l03457"></a>03457 <span class="keywordflow">if</span> (high != testvalue) {
<a name="l03458"></a>03458 <span class="comment">/*</span>
<a name="l03459"></a>03459 <span class="comment"> * Do the rest of the low byte. </span>
<a name="l03460"></a>03460 <span class="comment"> */</span>
<a name="l03461"></a>03461 <span class="keywordflow">for</span> (; count < 4; count++) {
<a name="l03462"></a>03462 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1)
<a name="l03463"></a>03463 && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l03464"></a>03464 <span class="keywordflow">return</span> 0;
<a name="l03465"></a>03465 }
<a name="l03466"></a>03466 *(*pkt + *pkt_len - (++*offset)) = (testvalue == 0) ? 0 : 0xff;
<a name="l03467"></a>03467 }
<a name="l03468"></a>03468
<a name="l03469"></a>03469 <span class="comment">/*</span>
<a name="l03470"></a>03470 <span class="comment"> * Do high byte. </span>
<a name="l03471"></a>03471 <span class="comment"> */</span>
<a name="l03472"></a>03472 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1)
<a name="l03473"></a>03473 && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l03474"></a>03474 <span class="keywordflow">return</span> 0;
<a name="l03475"></a>03475 }
<a name="l03476"></a>03476 *(*pkt + *pkt_len - (++*offset)) = (u_char) high;
<a name="l03477"></a>03477 high >>= 8;
<a name="l03478"></a>03478
<a name="l03479"></a>03479 <span class="keywordflow">while</span> ((<span class="keywordtype">int</span>) high != testvalue) {
<a name="l03480"></a>03480 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1)
<a name="l03481"></a>03481 && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l03482"></a>03482 <span class="keywordflow">return</span> 0;
<a name="l03483"></a>03483 }
<a name="l03484"></a>03484 *(*pkt + *pkt_len - (++*offset)) = (u_char) high;
<a name="l03485"></a>03485 high >>= 8;
<a name="l03486"></a>03486 }
<a name="l03487"></a>03487 }
<a name="l03488"></a>03488
<a name="l03489"></a>03489 <span class="keywordflow">if</span> ((*(*pkt + *pkt_len - *offset) & 0x80) != (testvalue & 0x80)) {
<a name="l03490"></a>03490 <span class="comment">/*</span>
<a name="l03491"></a>03491 <span class="comment"> * Make sure left most bit is representational of the rest of the bits</span>
<a name="l03492"></a>03492 <span class="comment"> * that aren't encoded. </span>
<a name="l03493"></a>03493 <span class="comment"> */</span>
<a name="l03494"></a>03494 <span class="keywordflow">if</span> (((*pkt_len - *offset) < 1)
<a name="l03495"></a>03495 && !(r && asn_realloc(pkt, pkt_len))) {
<a name="l03496"></a>03496 <span class="keywordflow">return</span> 0;
<a name="l03497"></a>03497 }
<a name="l03498"></a>03498 *(*pkt + *pkt_len - (++*offset)) = (testvalue == 0) ? 0 : 0xff;
<a name="l03499"></a>03499 }
<a name="l03500"></a>03500
<a name="l03501"></a>03501 intsize = *offset - start_offset;
<a name="l03502"></a>03502
<a name="l03503"></a>03503 <span class="keywordflow">while</span> ((*pkt_len - *offset) < 5) {
<a name="l03504"></a>03504 <span class="keywordflow">if</span> (!(r && asn_realloc(pkt, pkt_len))) {
<a name="l03505"></a>03505 <span class="keywordflow">return</span> 0;
<a name="l03506"></a>03506 }
<a name="l03507"></a>03507 }
<a name="l03508"></a>03508
<a name="l03509"></a>03509 *(*pkt + *pkt_len - (++*offset)) = (u_char) intsize;
<a name="l03510"></a>03510 *(*pkt + *pkt_len - (++*offset)) = ASN_OPAQUE_I64;
<a name="l03511"></a>03511 *(*pkt + *pkt_len - (++*offset)) = ASN_OPAQUE_TAG1;
<a name="l03512"></a>03512
<a name="l03513"></a>03513 <span class="comment">/*</span>
<a name="l03514"></a>03514 <span class="comment"> * Put the tag and length for the Opaque wrapper. </span>
<a name="l03515"></a>03515 <span class="comment"> */</span>
<a name="l03516"></a>03516 <span class="keywordflow">if</span> (asn_realloc_rbuild_header(pkt, pkt_len, offset, r,
<a name="l03517"></a>03517 ASN_OPAQUE, intsize + 3)) {
<a name="l03518"></a>03518 <span class="keywordflow">if</span> (_asn_realloc_build_header_check
<a name="l03519"></a>03519 (<span class="stringliteral">"build counter u64"</span>, pkt, pkt_len, intsize + 3)) {
<a name="l03520"></a>03520 <span class="keywordflow">return</span> 0;
<a name="l03521"></a>03521 }
<a name="l03522"></a>03522 } <span class="keywordflow">else</span> {
<a name="l03523"></a>03523 <span class="keywordflow">return</span> 0;
<a name="l03524"></a>03524 }
<a name="l03525"></a>03525
<a name="l03526"></a>03526 DEBUGDUMPSETUP(<span class="stringliteral">"send"</span>, (*pkt + *pkt_len - *offset), intsize);
<a name="l03527"></a>03527 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">" UInt64:\t%lu %lu\n"</span>, cp->high, cp->low));
<a name="l03528"></a>03528 <span class="keywordflow">return</span> 1;
<a name="l03529"></a>03529 }
<a name="l03530"></a>03530
<a name="l03549"></a>03549 <span class="keywordtype">int</span>
<a name="l03550"></a>03550 asn_realloc_rbuild_float(u_char ** pkt, <span class="keywordtype">size_t</span> * pkt_len,
<a name="l03551"></a>03551 <span class="keywordtype">size_t</span> * offset, <span class="keywordtype">int</span> r,
<a name="l03552"></a>03552 u_char type, <span class="keyword">const</span> <span class="keywordtype">float</span> *floatp, <span class="keywordtype">size_t</span> floatsize)
<a name="l03553"></a>03553 {
<a name="l03554"></a>03554 <span class="keywordtype">size_t</span> start_offset = *offset;
<a name="l03555"></a>03555 <span class="keyword">union </span>{
<a name="l03556"></a>03556 <span class="keywordtype">float</span> floatVal;
<a name="l03557"></a>03557 <span class="keywordtype">int</span> intVal;
<a name="l03558"></a>03558 u_char c[<span class="keyword">sizeof</span>(float)];
<a name="l03559"></a>03559 } fu;
<a name="l03560"></a>03560
<a name="l03561"></a>03561 <span class="comment">/*</span>
<a name="l03562"></a>03562 <span class="comment"> * Floatsize better not be larger than realistic. </span>
<a name="l03563"></a>03563 <span class="comment"> */</span>
<a name="l03564"></a>03564 <span class="keywordflow">if</span> (floatsize != <span class="keyword">sizeof</span>(<span class="keywordtype">float</span>) || floatsize > 122) {
<a name="l03565"></a>03565 <span class="keywordflow">return</span> 0;
<a name="l03566"></a>03566 }
<a name="l03567"></a>03567
<a name="l03568"></a>03568 <span class="keywordflow">while</span> ((*pkt_len - *offset) < floatsize + 3) {
<a name="l03569"></a>03569 <span class="keywordflow">if</span> (!(r && asn_realloc(pkt, pkt_len))) {
<a name="l03570"></a>03570 <span class="keywordflow">return</span> 0;
<a name="l03571"></a>03571 }
<a name="l03572"></a>03572 }
<a name="l03573"></a>03573
<a name="l03574"></a>03574 <span class="comment">/*</span>
<a name="l03575"></a>03575 <span class="comment"> * Correct for endian differences and copy value. </span>
<a name="l03576"></a>03576 <span class="comment"> */</span>
<a name="l03577"></a>03577 fu.floatVal = *floatp;
<a name="l03578"></a>03578 fu.intVal = htonl(fu.intVal);
<a name="l03579"></a>03579 *offset += floatsize;
<a name="l03580"></a>03580 memcpy(*pkt + *pkt_len - *offset, &(fu.c[0]), floatsize);
<a name="l03581"></a>03581
<a name="l03582"></a>03582 <span class="comment">/*</span>
<a name="l03583"></a>03583 <span class="comment"> * Put the special tag and length (3 bytes). </span>
<a name="l03584"></a>03584 <span class="comment"> */</span>
<a name="l03585"></a>03585 *(*pkt + *pkt_len - (++*offset)) = (u_char) floatsize;
<a name="l03586"></a>03586 *(*pkt + *pkt_len - (++*offset)) = ASN_OPAQUE_FLOAT;
<a name="l03587"></a>03587 *(*pkt + *pkt_len - (++*offset)) = ASN_OPAQUE_TAG1;
<a name="l03588"></a>03588
<a name="l03589"></a>03589 <span class="comment">/*</span>
<a name="l03590"></a>03590 <span class="comment"> * Put the tag and length for the Opaque wrapper. </span>
<a name="l03591"></a>03591 <span class="comment"> */</span>
<a name="l03592"></a>03592 <span class="keywordflow">if</span> (asn_realloc_rbuild_header(pkt, pkt_len, offset, r,
<a name="l03593"></a>03593 ASN_OPAQUE, floatsize + 3)) {
<a name="l03594"></a>03594 <span class="keywordflow">if</span> (_asn_realloc_build_header_check(<span class="stringliteral">"build float"</span>, pkt, pkt_len,
<a name="l03595"></a>03595 floatsize + 3)) {
<a name="l03596"></a>03596 <span class="keywordflow">return</span> 0;
<a name="l03597"></a>03597 } <span class="keywordflow">else</span> {
<a name="l03598"></a>03598 DEBUGDUMPSETUP(<span class="stringliteral">"send"</span>, (*pkt + *pkt_len - *offset),
<a name="l03599"></a>03599 *offset - start_offset);
<a name="l03600"></a>03600 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">"Opaque Float:\t%f\n"</span>, *floatp));
<a name="l03601"></a>03601 <span class="keywordflow">return</span> 1;
<a name="l03602"></a>03602 }
<a name="l03603"></a>03603 }
<a name="l03604"></a>03604
<a name="l03605"></a>03605 <span class="keywordflow">return</span> 0;
<a name="l03606"></a>03606 }
<a name="l03607"></a>03607
<a name="l03626"></a>03626 <span class="keywordtype">int</span>
<a name="l03627"></a>03627 asn_realloc_rbuild_double(u_char ** pkt, <span class="keywordtype">size_t</span> * pkt_len,
<a name="l03628"></a>03628 <span class="keywordtype">size_t</span> * offset, <span class="keywordtype">int</span> r,
<a name="l03629"></a>03629 u_char type, <span class="keyword">const</span> <span class="keywordtype">double</span> *doublep, <span class="keywordtype">size_t</span> doublesize)
<a name="l03630"></a>03630 {
<a name="l03631"></a>03631 <span class="keywordtype">size_t</span> start_offset = *offset;
<a name="l03632"></a>03632 <span class="keywordtype">long</span> tmp;
<a name="l03633"></a>03633 <span class="keyword">union </span>{
<a name="l03634"></a>03634 <span class="keywordtype">double</span> doubleVal;
<a name="l03635"></a>03635 <span class="keywordtype">int</span> intVal[2];
<a name="l03636"></a>03636 u_char c[<span class="keyword">sizeof</span>(double)];
<a name="l03637"></a>03637 } fu;
<a name="l03638"></a>03638
<a name="l03639"></a>03639 <span class="comment">/*</span>
<a name="l03640"></a>03640 <span class="comment"> * Doublesize better not be larger than realistic. </span>
<a name="l03641"></a>03641 <span class="comment"> */</span>
<a name="l03642"></a>03642 <span class="keywordflow">if</span> (doublesize != <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>) || doublesize > 122) {
<a name="l03643"></a>03643 <span class="keywordflow">return</span> 0;
<a name="l03644"></a>03644 }
<a name="l03645"></a>03645
<a name="l03646"></a>03646 <span class="keywordflow">while</span> ((*pkt_len - *offset) < doublesize + 3) {
<a name="l03647"></a>03647 <span class="keywordflow">if</span> (!(r && asn_realloc(pkt, pkt_len))) {
<a name="l03648"></a>03648 <span class="keywordflow">return</span> 0;
<a name="l03649"></a>03649 }
<a name="l03650"></a>03650 }
<a name="l03651"></a>03651
<a name="l03652"></a>03652 <span class="comment">/*</span>
<a name="l03653"></a>03653 <span class="comment"> * Correct for endian differences and copy value. </span>
<a name="l03654"></a>03654 <span class="comment"> */</span>
<a name="l03655"></a>03655 fu.doubleVal = *doublep;
<a name="l03656"></a>03656 tmp = htonl(fu.intVal[0]);
<a name="l03657"></a>03657 fu.intVal[0] = htonl(fu.intVal[1]);
<a name="l03658"></a>03658 fu.intVal[1] = tmp;
<a name="l03659"></a>03659 *offset += doublesize;
<a name="l03660"></a>03660 memcpy(*pkt + *pkt_len - *offset, &(fu.c[0]), doublesize);
<a name="l03661"></a>03661
<a name="l03662"></a>03662 <span class="comment">/*</span>
<a name="l03663"></a>03663 <span class="comment"> * Put the special tag and length (3 bytes). </span>
<a name="l03664"></a>03664 <span class="comment"> */</span>
<a name="l03665"></a>03665 *(*pkt + *pkt_len - (++*offset)) = (u_char) doublesize;
<a name="l03666"></a>03666 *(*pkt + *pkt_len - (++*offset)) = ASN_OPAQUE_DOUBLE;
<a name="l03667"></a>03667 *(*pkt + *pkt_len - (++*offset)) = ASN_OPAQUE_TAG1;
<a name="l03668"></a>03668
<a name="l03669"></a>03669 <span class="comment">/*</span>
<a name="l03670"></a>03670 <span class="comment"> * Put the tag and length for the Opaque wrapper. </span>
<a name="l03671"></a>03671 <span class="comment"> */</span>
<a name="l03672"></a>03672 <span class="keywordflow">if</span> (asn_realloc_rbuild_header(pkt, pkt_len, offset, r,
<a name="l03673"></a>03673 ASN_OPAQUE, doublesize + 3)) {
<a name="l03674"></a>03674 <span class="keywordflow">if</span> (_asn_realloc_build_header_check(<span class="stringliteral">"build float"</span>, pkt, pkt_len,
<a name="l03675"></a>03675 doublesize + 3)) {
<a name="l03676"></a>03676 <span class="keywordflow">return</span> 0;
<a name="l03677"></a>03677 } <span class="keywordflow">else</span> {
<a name="l03678"></a>03678 DEBUGDUMPSETUP(<span class="stringliteral">"send"</span>, (*pkt + *pkt_len - *offset),
<a name="l03679"></a>03679 *offset - start_offset);
<a name="l03680"></a>03680 DEBUGMSG((<span class="stringliteral">"dumpv_send"</span>, <span class="stringliteral">" Opaque Double:\t%f\n"</span>, *doublep));
<a name="l03681"></a>03681 <span class="keywordflow">return</span> 1;
<a name="l03682"></a>03682 }
<a name="l03683"></a>03683 }
<a name="l03684"></a>03684
<a name="l03685"></a>03685 <span class="keywordflow">return</span> 0;
<a name="l03686"></a>03686 }
<a name="l03687"></a>03687
<a name="l03688"></a>03688 <span class="preprocessor">#endif </span><span class="comment">/* NETSNMP_WITH_OPAQUE_SPECIAL_TYPES */</span>
<a name="l03689"></a>03689 <span class="preprocessor">#endif </span><span class="comment">/* NETSNMP_USE_REVERSE_ASNENCODING */</span>
<a name="l03690"></a>03690
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