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<div id="projectname">net-snmp
 <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"> * tools.c</span>
<a name="l00003"></a>00003 <span class="comment"> */</span>
<a name="l00004"></a>00004
<a name="l00005"></a>00005 <span class="preprocessor">#define NETSNMP_TOOLS_C 1 </span><span class="comment">/* dont re-define malloc wrappers here */</span>
<a name="l00006"></a>00006
<a name="l00007"></a>00007 <span class="preprocessor">#include <net-snmp/net-snmp-config.h></span>
<a name="l00008"></a>00008
<a name="l00009"></a>00009 <span class="preprocessor">#include <ctype.h></span>
<a name="l00010"></a>00010 <span class="preprocessor">#include <stdio.h></span>
<a name="l00011"></a>00011 <span class="preprocessor">#include <sys/types.h></span>
<a name="l00012"></a>00012 <span class="preprocessor">#if TIME_WITH_SYS_TIME</span>
<a name="l00013"></a>00013 <span class="preprocessor"></span><span class="preprocessor"># ifdef WIN32</span>
<a name="l00014"></a>00014 <span class="preprocessor"></span><span class="preprocessor"># include <sys/timeb.h></span>
<a name="l00015"></a>00015 <span class="preprocessor"># else</span>
<a name="l00016"></a>00016 <span class="preprocessor"></span><span class="preprocessor"># include <sys/time.h></span>
<a name="l00017"></a>00017 <span class="preprocessor"># endif</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor"># include <time.h></span>
<a name="l00019"></a>00019 <span class="preprocessor">#else</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor"># if HAVE_SYS_TIME_H</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor"># include <sys/time.h></span>
<a name="l00022"></a>00022 <span class="preprocessor"># else</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor"># include <time.h></span>
<a name="l00024"></a>00024 <span class="preprocessor"># endif</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00026"></a>00026 <span class="preprocessor"></span><span class="preprocessor">#ifdef HAVE_SYS_SOCKET_H</span>
<a name="l00027"></a>00027 <span class="preprocessor"></span><span class="preprocessor">#include <sys/socket.h></span>
<a name="l00028"></a>00028 <span class="preprocessor">#endif</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor">#if HAVE_WINSOCK_H</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor">#include <winsock.h></span>
<a name="l00031"></a>00031 <span class="preprocessor">#endif</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor">#ifdef HAVE_STDLIB_H</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span><span class="preprocessor">#include <stdlib.h></span>
<a name="l00034"></a>00034 <span class="preprocessor">#endif</span>
<a name="l00035"></a>00035 <span class="preprocessor"></span><span class="preprocessor">#if HAVE_STRING_H</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span><span class="preprocessor">#include <string.h></span>
<a name="l00037"></a>00037 <span class="preprocessor">#else</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span><span class="preprocessor">#include <strings.h></span>
<a name="l00039"></a>00039 <span class="preprocessor">#endif</span>
<a name="l00040"></a>00040 <span class="preprocessor"></span><span class="preprocessor">#ifdef HAVE_NETINET_IN_H</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span><span class="preprocessor">#include <netinet/in.h></span>
<a name="l00042"></a>00042 <span class="preprocessor">#endif</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span><span class="preprocessor">#ifdef HAVE_ARPA_INET_H</span>
<a name="l00044"></a>00044 <span class="preprocessor"></span><span class="preprocessor">#include <arpa/inet.h></span>
<a name="l00045"></a>00045 <span class="preprocessor">#endif</span>
<a name="l00046"></a>00046 <span class="preprocessor"></span><span class="preprocessor">#ifdef cygwin</span>
<a name="l00047"></a>00047 <span class="preprocessor"></span><span class="preprocessor">#include <windows.h></span>
<a name="l00048"></a>00048 <span class="preprocessor">#endif</span>
<a name="l00049"></a>00049 <span class="preprocessor"></span>
<a name="l00050"></a>00050 <span class="preprocessor">#if HAVE_DMALLOC_H</span>
<a name="l00051"></a>00051 <span class="preprocessor"></span><span class="preprocessor">#include <dmalloc.h></span>
<a name="l00052"></a>00052 <span class="preprocessor">#endif</span>
<a name="l00053"></a>00053 <span class="preprocessor"></span>
<a name="l00054"></a>00054 <span class="preprocessor">#include <net-snmp/types.h></span>
<a name="l00055"></a>00055 <span class="preprocessor">#include <net-snmp/output_api.h></span>
<a name="l00056"></a>00056 <span class="preprocessor">#include <net-snmp/utilities.h></span>
<a name="l00057"></a>00057 <span class="preprocessor">#include <<a class="code" href="tools_8h.html">net-snmp/library/tools.h</a>></span> <span class="comment">/* for "internal" definitions */</span>
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <span class="preprocessor">#include <net-snmp/library/snmp_api.h></span>
<a name="l00060"></a>00060 <span class="preprocessor">#include <net-snmp/library/mib.h></span>
<a name="l00061"></a>00061 <span class="preprocessor">#include <net-snmp/library/scapi.h></span>
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="preprocessor">#ifdef WIN32</span>
<a name="l00064"></a>00064 <span class="preprocessor"></span>
<a name="l00067"></a>00067 <span class="keywordtype">char</span> * netsnmp_strdup( <span class="keyword">const</span> <span class="keywordtype">char</span> * ptr)
<a name="l00068"></a>00068 {
<a name="l00069"></a>00069 <span class="keywordflow">return</span> strdup(ptr);
<a name="l00070"></a>00070 }
<a name="l00074"></a>00074 <span class="keywordtype">void</span> * netsnmp_calloc(<span class="keywordtype">size_t</span> nmemb, <span class="keywordtype">size_t</span> size)
<a name="l00075"></a>00075 {
<a name="l00076"></a>00076 <span class="keywordflow">return</span> calloc(nmemb, size);
<a name="l00077"></a>00077 }
<a name="l00078"></a>00078
<a name="l00082"></a>00082 <span class="keywordtype">void</span> * netsnmp_malloc(<span class="keywordtype">size_t</span> size)
<a name="l00083"></a>00083 {
<a name="l00084"></a>00084 <span class="keywordflow">return</span> malloc(size);
<a name="l00085"></a>00085 }
<a name="l00086"></a>00086
<a name="l00090"></a>00090 <span class="keywordtype">void</span> * netsnmp_realloc( <span class="keywordtype">void</span> * ptr, <span class="keywordtype">size_t</span> size)
<a name="l00091"></a>00091 {
<a name="l00092"></a>00092 <span class="keywordflow">return</span> realloc(ptr, size);
<a name="l00093"></a>00093 }
<a name="l00094"></a>00094
<a name="l00099"></a>00099 <span class="keywordtype">void</span> netsnmp_free( <span class="keywordtype">void</span> * ptr)
<a name="l00100"></a>00100 {
<a name="l00101"></a>00101 <span class="keywordflow">if</span> (ptr)
<a name="l00102"></a>00102 free(ptr);
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104 <span class="preprocessor">#endif </span><span class="comment">/* WIN32 */</span>
<a name="l00105"></a>00105
<a name="l00120"></a>00120 <span class="keywordtype">int</span>
<a name="l00121"></a><a class="code" href="group__util.html#ga7b42d706225a788adcfeaad9b24717de">00121</a> <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>(u_char ** buf, <span class="keywordtype">size_t</span> * buf_len)
<a name="l00122"></a>00122 {
<a name="l00123"></a>00123 u_char *new_buf = NULL;
<a name="l00124"></a>00124 <span class="keywordtype">size_t</span> new_buf_len = 0;
<a name="l00125"></a>00125
<a name="l00126"></a>00126 <span class="keywordflow">if</span> (buf == NULL) {
<a name="l00127"></a>00127 <span class="keywordflow">return</span> 0;
<a name="l00128"></a>00128 }
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <span class="keywordflow">if</span> (*buf_len <= 255) {
<a name="l00131"></a>00131 new_buf_len = *buf_len + 256;
<a name="l00132"></a>00132 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*buf_len > 255 && *buf_len <= 8191) {
<a name="l00133"></a>00133 new_buf_len = *buf_len * 2;
<a name="l00134"></a>00134 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*buf_len > 8191) {
<a name="l00135"></a>00135 new_buf_len = *buf_len + 8192;
<a name="l00136"></a>00136 }
<a name="l00137"></a>00137
<a name="l00138"></a>00138 <span class="keywordflow">if</span> (*buf == NULL) {
<a name="l00139"></a>00139 new_buf = (u_char *) malloc(new_buf_len);
<a name="l00140"></a>00140 } <span class="keywordflow">else</span> {
<a name="l00141"></a>00141 new_buf = (u_char *) realloc(*buf, new_buf_len);
<a name="l00142"></a>00142 }
<a name="l00143"></a>00143
<a name="l00144"></a>00144 <span class="keywordflow">if</span> (new_buf != NULL) {
<a name="l00145"></a>00145 *buf = new_buf;
<a name="l00146"></a>00146 *buf_len = new_buf_len;
<a name="l00147"></a>00147 <span class="keywordflow">return</span> 1;
<a name="l00148"></a>00148 } <span class="keywordflow">else</span> {
<a name="l00149"></a>00149 <span class="keywordflow">return</span> 0;
<a name="l00150"></a>00150 }
<a name="l00151"></a>00151 }
<a name="l00152"></a>00152
<a name="l00153"></a>00153 <span class="keywordtype">int</span>
<a name="l00154"></a>00154 snmp_strcat(u_char ** buf, <span class="keywordtype">size_t</span> * buf_len, <span class="keywordtype">size_t</span> * out_len,
<a name="l00155"></a>00155 <span class="keywordtype">int</span> allow_realloc, <span class="keyword">const</span> u_char * s)
<a name="l00156"></a>00156 {
<a name="l00157"></a>00157 <span class="keywordflow">if</span> (buf == NULL || buf_len == NULL || out_len == NULL) {
<a name="l00158"></a>00158 <span class="keywordflow">return</span> 0;
<a name="l00159"></a>00159 }
<a name="l00160"></a>00160
<a name="l00161"></a>00161 <span class="keywordflow">if</span> (s == NULL) {
<a name="l00162"></a>00162 <span class="comment">/*</span>
<a name="l00163"></a>00163 <span class="comment"> * Appending a NULL string always succeeds since it is a NOP. </span>
<a name="l00164"></a>00164 <span class="comment"> */</span>
<a name="l00165"></a>00165 <span class="keywordflow">return</span> 1;
<a name="l00166"></a>00166 }
<a name="l00167"></a>00167
<a name="l00168"></a>00168 <span class="keywordflow">while</span> ((*out_len + strlen((<span class="keyword">const</span> <span class="keywordtype">char</span> *) s) + 1) >= *buf_len) {
<a name="l00169"></a>00169 <span class="keywordflow">if</span> (!(allow_realloc && <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>(buf, buf_len))) {
<a name="l00170"></a>00170 <span class="keywordflow">return</span> 0;
<a name="l00171"></a>00171 }
<a name="l00172"></a>00172 }
<a name="l00173"></a>00173
<a name="l00174"></a>00174 strcpy((<span class="keywordtype">char</span> *) (*buf + *out_len), (<span class="keyword">const</span> <span class="keywordtype">char</span> *) s);
<a name="l00175"></a>00175 *out_len += strlen((<span class="keywordtype">char</span> *) (*buf + *out_len));
<a name="l00176"></a>00176 <span class="keywordflow">return</span> 1;
<a name="l00177"></a>00177 }
<a name="l00178"></a>00178
<a name="l00184"></a>00184 <span class="keywordtype">void</span>
<a name="l00185"></a><a class="code" href="group__util.html#ga26a103aafde4d6dcf72c8e30c7d05bd9">00185</a> <a class="code" href="group__util.html#ga26a103aafde4d6dcf72c8e30c7d05bd9" title="zeros memory before freeing it.">free_zero</a>(<span class="keywordtype">void</span> *buf, <span class="keywordtype">size_t</span> size)
<a name="l00186"></a>00186 {
<a name="l00187"></a>00187 <span class="keywordflow">if</span> (buf) {
<a name="l00188"></a>00188 memset(buf, 0, size);
<a name="l00189"></a>00189 free(buf);
<a name="l00190"></a>00190 }
<a name="l00191"></a>00191
<a name="l00192"></a>00192 } <span class="comment">/* end free_zero() */</span>
<a name="l00193"></a>00193
<a name="l00204"></a>00204 u_char *
<a name="l00205"></a><a class="code" href="group__util.html#ga76b7f8b21c44e2f8b274a0db8b57d5a1">00205</a> <a class="code" href="group__util.html#ga76b7f8b21c44e2f8b274a0db8b57d5a1" title="Returns pointer to allocaed & set buffer on success, size contains number of random bytes filled...">malloc_random</a>(<span class="keywordtype">size_t</span> * size)
<a name="l00206"></a>00206 {
<a name="l00207"></a>00207 <span class="keywordtype">int</span> rval = SNMPERR_SUCCESS;
<a name="l00208"></a>00208 u_char *buf = (u_char *) calloc(1, *size);
<a name="l00209"></a>00209
<a name="l00210"></a>00210 <span class="keywordflow">if</span> (buf) {
<a name="l00211"></a>00211 rval = sc_random(buf, size);
<a name="l00212"></a>00212
<a name="l00213"></a>00213 <span class="keywordflow">if</span> (rval < 0) {
<a name="l00214"></a>00214 <a class="code" href="group__util.html#ga26a103aafde4d6dcf72c8e30c7d05bd9" title="zeros memory before freeing it.">free_zero</a>(buf, *size);
<a name="l00215"></a>00215 buf = NULL;
<a name="l00216"></a>00216 } <span class="keywordflow">else</span> {
<a name="l00217"></a>00217 *size = rval;
<a name="l00218"></a>00218 }
<a name="l00219"></a>00219 }
<a name="l00220"></a>00220
<a name="l00221"></a>00221 <span class="keywordflow">return</span> buf;
<a name="l00222"></a>00222
<a name="l00223"></a>00223 } <span class="comment">/* end malloc_random() */</span>
<a name="l00224"></a>00224
<a name="l00235"></a>00235 <span class="keywordtype">int</span>
<a name="l00236"></a><a class="code" href="group__util.html#ga623784b8aac0469fcd84e24ccdeda0bd">00236</a> <a class="code" href="group__util.html#ga623784b8aac0469fcd84e24ccdeda0bd" title="Duplicates a memory block.">memdup</a>(u_char ** to, <span class="keyword">const</span> u_char * from, <span class="keywordtype">size_t</span> size)
<a name="l00237"></a>00237 {
<a name="l00238"></a>00238 <span class="keywordflow">if</span> (to == NULL)
<a name="l00239"></a>00239 <span class="keywordflow">return</span> SNMPERR_GENERR;
<a name="l00240"></a>00240 <span class="keywordflow">if</span> (from == NULL) {
<a name="l00241"></a>00241 *to = NULL;
<a name="l00242"></a>00242 <span class="keywordflow">return</span> SNMPERR_SUCCESS;
<a name="l00243"></a>00243 }
<a name="l00244"></a>00244 <span class="keywordflow">if</span> ((*to = (u_char *) malloc(size)) == NULL)
<a name="l00245"></a>00245 <span class="keywordflow">return</span> SNMPERR_GENERR;
<a name="l00246"></a>00246 memcpy(*to, from, size);
<a name="l00247"></a>00247 <span class="keywordflow">return</span> SNMPERR_SUCCESS;
<a name="l00248"></a>00248
<a name="l00249"></a>00249 } <span class="comment">/* end memdup() */</span>
<a name="l00250"></a>00250
<a name="l00254"></a>00254 <span class="keywordtype">char</span> *
<a name="l00255"></a><a class="code" href="group__util.html#ga06867ff53bb86b745f23c52aa5e78829">00255</a> <a class="code" href="group__util.html#ga06867ff53bb86b745f23c52aa5e78829" title="copies a (possible) unterminated string of a given length into a new buffer and null terminates it as...">netsnmp_strdup_and_null</a>(<span class="keyword">const</span> u_char * from, <span class="keywordtype">size_t</span> from_len)
<a name="l00256"></a>00256 {
<a name="l00257"></a>00257 <span class="keywordtype">char</span> *ret;
<a name="l00258"></a>00258
<a name="l00259"></a>00259 <span class="keywordflow">if</span> (from_len == 0 || from[from_len - 1] != <span class="charliteral">'\0'</span>) {
<a name="l00260"></a>00260 ret = (<span class="keywordtype">char</span> *)malloc(from_len + 1);
<a name="l00261"></a>00261 <span class="keywordflow">if</span> (!ret)
<a name="l00262"></a>00262 <span class="keywordflow">return</span> NULL;
<a name="l00263"></a>00263 ret[from_len] = <span class="charliteral">'\0'</span>;
<a name="l00264"></a>00264 } <span class="keywordflow">else</span> {
<a name="l00265"></a>00265 ret = (<span class="keywordtype">char</span> *)malloc(from_len);
<a name="l00266"></a>00266 <span class="keywordflow">if</span> (!ret)
<a name="l00267"></a>00267 <span class="keywordflow">return</span> NULL;
<a name="l00268"></a>00268 ret[from_len - 1] = <span class="charliteral">'\0'</span>;
<a name="l00269"></a>00269 }
<a name="l00270"></a>00270 memcpy(ret, from, from_len);
<a name="l00271"></a>00271 <span class="keywordflow">return</span> ret;
<a name="l00272"></a>00272 }
<a name="l00273"></a>00273
<a name="l00286"></a>00286 u_int
<a name="l00287"></a><a class="code" href="group__util.html#gafb1770dd180ccdd29dafc90cf50d3204">00287</a> <a class="code" href="group__util.html#gafb1770dd180ccdd29dafc90cf50d3204" title="converts binary to hexidecimal">binary_to_hex</a>(<span class="keyword">const</span> u_char * input, <span class="keywordtype">size_t</span> len, <span class="keywordtype">char</span> **output)
<a name="l00288"></a>00288 {
<a name="l00289"></a>00289 u_int olen = (len * 2) + 1;
<a name="l00290"></a>00290 <span class="keywordtype">char</span> *s = (<span class="keywordtype">char</span> *) calloc(1, olen), *op = s;
<a name="l00291"></a>00291 <span class="keyword">const</span> u_char *ip = input;
<a name="l00292"></a>00292
<a name="l00293"></a>00293
<a name="l00294"></a>00294 <span class="keywordflow">while</span> (ip - input < (<span class="keywordtype">int</span>) len) {
<a name="l00295"></a>00295 *op++ = VAL2HEX((*ip >> 4) & 0xf);
<a name="l00296"></a>00296 *op++ = VAL2HEX(*ip & 0xf);
<a name="l00297"></a>00297 ip++;
<a name="l00298"></a>00298 }
<a name="l00299"></a>00299 *op = <span class="charliteral">'\0'</span>;
<a name="l00300"></a>00300
<a name="l00301"></a>00301 *output = s;
<a name="l00302"></a>00302 <span class="keywordflow">return</span> olen;
<a name="l00303"></a>00303
<a name="l00304"></a>00304 } <span class="comment">/* end binary_to_hex() */</span>
<a name="l00305"></a>00305
<a name="l00306"></a>00306
<a name="l00307"></a>00307
<a name="l00308"></a>00308
<a name="l00323"></a>00323 <span class="keywordtype">int</span>
<a name="l00324"></a><a class="code" href="group__util.html#gafbe460eb2f249c0d347ab38d94a802ae">00324</a> <a class="code" href="group__util.html#gafbe460eb2f249c0d347ab38d94a802ae" title="hex_to_binary2">hex_to_binary2</a>(<span class="keyword">const</span> u_char * input, <span class="keywordtype">size_t</span> len, <span class="keywordtype">char</span> **output)
<a name="l00325"></a>00325 {
<a name="l00326"></a>00326 u_int olen = (len / 2) + (len % 2);
<a name="l00327"></a>00327 <span class="keywordtype">char</span> *s = (<span class="keywordtype">char</span> *) calloc(1, (olen) ? olen : 1), *op = s;
<a name="l00328"></a>00328 <span class="keyword">const</span> u_char *ip = input;
<a name="l00329"></a>00329
<a name="l00330"></a>00330
<a name="l00331"></a>00331 *output = NULL;
<a name="l00332"></a>00332 *op = 0;
<a name="l00333"></a>00333 <span class="keywordflow">if</span> (len % 2) {
<a name="l00334"></a>00334 <span class="keywordflow">if</span> (!isxdigit(*ip))
<a name="l00335"></a>00335 <span class="keywordflow">goto</span> hex_to_binary2_quit;
<a name="l00336"></a>00336 *op++ = HEX2VAL(*ip);
<a name="l00337"></a>00337 ip++;
<a name="l00338"></a>00338 }
<a name="l00339"></a>00339
<a name="l00340"></a>00340 <span class="keywordflow">while</span> (ip - input < (<span class="keywordtype">int</span>) len) {
<a name="l00341"></a>00341 <span class="keywordflow">if</span> (!isxdigit(*ip))
<a name="l00342"></a>00342 <span class="keywordflow">goto</span> hex_to_binary2_quit;
<a name="l00343"></a>00343 *op = HEX2VAL(*ip) << 4;
<a name="l00344"></a>00344 ip++;
<a name="l00345"></a>00345
<a name="l00346"></a>00346 <span class="keywordflow">if</span> (!isxdigit(*ip))
<a name="l00347"></a>00347 <span class="keywordflow">goto</span> hex_to_binary2_quit;
<a name="l00348"></a>00348 *op++ += HEX2VAL(*ip);
<a name="l00349"></a>00349 ip++;
<a name="l00350"></a>00350 }
<a name="l00351"></a>00351
<a name="l00352"></a>00352 *output = s;
<a name="l00353"></a>00353 <span class="keywordflow">return</span> olen;
<a name="l00354"></a>00354
<a name="l00355"></a>00355 hex_to_binary2_quit:
<a name="l00356"></a>00356 <a class="code" href="group__util.html#ga26a103aafde4d6dcf72c8e30c7d05bd9" title="zeros memory before freeing it.">free_zero</a>(s, olen);
<a name="l00357"></a>00357 <span class="keywordflow">return</span> -1;
<a name="l00358"></a>00358
<a name="l00359"></a>00359 } <span class="comment">/* end hex_to_binary2() */</span>
<a name="l00360"></a>00360
<a name="l00361"></a>00361 <span class="keywordtype">int</span>
<a name="l00362"></a>00362 snmp_decimal_to_binary(u_char ** buf, <span class="keywordtype">size_t</span> * buf_len, <span class="keywordtype">size_t</span> * out_len,
<a name="l00363"></a>00363 <span class="keywordtype">int</span> allow_realloc, <span class="keyword">const</span> <span class="keywordtype">char</span> *decimal)
<a name="l00364"></a>00364 {
<a name="l00365"></a>00365 <span class="keywordtype">int</span> subid = 0;
<a name="l00366"></a>00366 <span class="keyword">const</span> <span class="keywordtype">char</span> *cp = decimal;
<a name="l00367"></a>00367
<a name="l00368"></a>00368 <span class="keywordflow">if</span> (buf == NULL || buf_len == NULL || out_len == NULL
<a name="l00369"></a>00369 || decimal == NULL) {
<a name="l00370"></a>00370 <span class="keywordflow">return</span> 0;
<a name="l00371"></a>00371 }
<a name="l00372"></a>00372
<a name="l00373"></a>00373 <span class="keywordflow">while</span> (*cp != <span class="charliteral">'\0'</span>) {
<a name="l00374"></a>00374 <span class="keywordflow">if</span> (isspace((<span class="keywordtype">int</span>) *cp) || *cp == <span class="charliteral">'.'</span>) {
<a name="l00375"></a>00375 cp++;
<a name="l00376"></a>00376 <span class="keywordflow">continue</span>;
<a name="l00377"></a>00377 }
<a name="l00378"></a>00378 <span class="keywordflow">if</span> (!isdigit((<span class="keywordtype">int</span>) *cp)) {
<a name="l00379"></a>00379 <span class="keywordflow">return</span> 0;
<a name="l00380"></a>00380 }
<a name="l00381"></a>00381 <span class="keywordflow">if</span> ((subid = atoi(cp)) > 255) {
<a name="l00382"></a>00382 <span class="keywordflow">return</span> 0;
<a name="l00383"></a>00383 }
<a name="l00384"></a>00384 <span class="keywordflow">if</span> ((*out_len >= *buf_len) &&
<a name="l00385"></a>00385 !(allow_realloc && <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>(buf, buf_len))) {
<a name="l00386"></a>00386 <span class="keywordflow">return</span> 0;
<a name="l00387"></a>00387 }
<a name="l00388"></a>00388 *(*buf + *out_len) = (u_char) subid;
<a name="l00389"></a>00389 (*out_len)++;
<a name="l00390"></a>00390 <span class="keywordflow">while</span> (isdigit((<span class="keywordtype">int</span>) *cp)) {
<a name="l00391"></a>00391 cp++;
<a name="l00392"></a>00392 }
<a name="l00393"></a>00393 }
<a name="l00394"></a>00394 <span class="keywordflow">return</span> 1;
<a name="l00395"></a>00395 }
<a name="l00396"></a>00396
<a name="l00424"></a>00424 <span class="keywordtype">int</span>
<a name="l00425"></a><a class="code" href="group__util.html#ga8c1a230e987560600de9f81e55480c0a">00425</a> <a class="code" href="group__util.html#ga8c1a230e987560600de9f81e55480c0a" title="convert an ASCII hex string (with specified delimiters) to binary">netsnmp_hex_to_binary</a>(u_char ** buf, <span class="keywordtype">size_t</span> * buf_len, <span class="keywordtype">size_t</span> * offset,
<a name="l00426"></a>00426 <span class="keywordtype">int</span> allow_realloc, <span class="keyword">const</span> <span class="keywordtype">char</span> *hex, <span class="keyword">const</span> <span class="keywordtype">char</span> *delim)
<a name="l00427"></a>00427 {
<a name="l00428"></a>00428 <span class="keywordtype">int</span> subid = 0;
<a name="l00429"></a>00429 <span class="keyword">const</span> <span class="keywordtype">char</span> *cp = hex;
<a name="l00430"></a>00430
<a name="l00431"></a>00431 <span class="keywordflow">if</span> (buf == NULL || buf_len == NULL || offset == NULL || hex == NULL) {
<a name="l00432"></a>00432 <span class="keywordflow">return</span> 0;
<a name="l00433"></a>00433 }
<a name="l00434"></a>00434
<a name="l00435"></a>00435 <span class="keywordflow">if</span> ((*cp == <span class="charliteral">'0'</span>) && ((*(cp + 1) == <span class="charliteral">'x'</span>) || (*(cp + 1) == <span class="charliteral">'X'</span>))) {
<a name="l00436"></a>00436 cp += 2;
<a name="l00437"></a>00437 }
<a name="l00438"></a>00438
<a name="l00439"></a>00439 <span class="keywordflow">while</span> (*cp != <span class="charliteral">'\0'</span>) {
<a name="l00440"></a>00440 <span class="keywordflow">if</span> (!isxdigit((<span class="keywordtype">int</span>) *cp) ||
<a name="l00441"></a>00441 !isxdigit((<span class="keywordtype">int</span>) *(cp+1))) {
<a name="l00442"></a>00442 <span class="keywordflow">if</span> ((NULL != delim) && (NULL != strchr(delim, *cp))) {
<a name="l00443"></a>00443 cp++;
<a name="l00444"></a>00444 <span class="keywordflow">continue</span>;
<a name="l00445"></a>00445 }
<a name="l00446"></a>00446 <span class="keywordflow">return</span> 0;
<a name="l00447"></a>00447 }
<a name="l00448"></a>00448 <span class="keywordflow">if</span> (sscanf(cp, <span class="stringliteral">"%2x"</span>, &subid) == 0) {
<a name="l00449"></a>00449 <span class="keywordflow">return</span> 0;
<a name="l00450"></a>00450 }
<a name="l00451"></a>00451 <span class="comment">/*</span>
<a name="l00452"></a>00452 <span class="comment"> * if we dont' have enough space, realloc.</span>
<a name="l00453"></a>00453 <span class="comment"> * (snmp_realloc will adjust buf_len to new size)</span>
<a name="l00454"></a>00454 <span class="comment"> */</span>
<a name="l00455"></a>00455 <span class="keywordflow">if</span> ((*offset >= *buf_len) &&
<a name="l00456"></a>00456 !(allow_realloc && <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>(buf, buf_len))) {
<a name="l00457"></a>00457 <span class="keywordflow">return</span> 0;
<a name="l00458"></a>00458 }
<a name="l00459"></a>00459 *(*buf + *offset) = (u_char) subid;
<a name="l00460"></a>00460 (*offset)++;
<a name="l00461"></a>00461 <span class="keywordflow">if</span> (*++cp == <span class="charliteral">'\0'</span>) {
<a name="l00462"></a>00462 <span class="comment">/*</span>
<a name="l00463"></a>00463 <span class="comment"> * Odd number of hex digits is an error. </span>
<a name="l00464"></a>00464 <span class="comment"> */</span>
<a name="l00465"></a>00465 <span class="keywordflow">return</span> 0;
<a name="l00466"></a>00466 } <span class="keywordflow">else</span> {
<a name="l00467"></a>00467 cp++;
<a name="l00468"></a>00468 }
<a name="l00469"></a>00469 }
<a name="l00470"></a>00470 <span class="keywordflow">return</span> 1;
<a name="l00471"></a>00471 }
<a name="l00472"></a>00472
<a name="l00484"></a>00484 <span class="keywordtype">int</span>
<a name="l00485"></a><a class="code" href="group__util.html#ga1a102bbccc7a51e7f98b0c1da33497db">00485</a> <a class="code" href="group__util.html#ga1a102bbccc7a51e7f98b0c1da33497db" title="convert an ASCII hex string to binary">snmp_hex_to_binary</a>(u_char ** buf, <span class="keywordtype">size_t</span> * buf_len, <span class="keywordtype">size_t</span> * offset,
<a name="l00486"></a>00486 <span class="keywordtype">int</span> allow_realloc, <span class="keyword">const</span> <span class="keywordtype">char</span> *hex)
<a name="l00487"></a>00487 {
<a name="l00488"></a>00488 <span class="keywordflow">return</span> <a class="code" href="group__util.html#ga8c1a230e987560600de9f81e55480c0a" title="convert an ASCII hex string (with specified delimiters) to binary">netsnmp_hex_to_binary</a>(buf, buf_len, offset, allow_realloc, hex, <span class="stringliteral">" "</span>);
<a name="l00489"></a>00489 }
<a name="l00490"></a>00490
<a name="l00491"></a>00491 <span class="comment">/*******************************************************************-o-******</span>
<a name="l00492"></a>00492 <span class="comment"> * dump_chunk</span>
<a name="l00493"></a>00493 <span class="comment"> *</span>
<a name="l00494"></a>00494 <span class="comment"> * Parameters:</span>
<a name="l00495"></a>00495 <span class="comment"> * *title (May be NULL.)</span>
<a name="l00496"></a>00496 <span class="comment"> * *buf</span>
<a name="l00497"></a>00497 <span class="comment"> * size</span>
<a name="l00498"></a>00498 <span class="comment"> */</span>
<a name="l00499"></a>00499 <span class="keywordtype">void</span>
<a name="l00500"></a>00500 dump_chunk(<span class="keyword">const</span> <span class="keywordtype">char</span> *debugtoken, <span class="keyword">const</span> <span class="keywordtype">char</span> *title, <span class="keyword">const</span> u_char * buf,
<a name="l00501"></a>00501 <span class="keywordtype">int</span> size)
<a name="l00502"></a>00502 {
<a name="l00503"></a>00503 u_int printunit = 64; <span class="comment">/* XXX Make global. */</span>
<a name="l00504"></a>00504 <span class="keywordtype">char</span> chunk[SNMP_MAXBUF], *s, *sp;
<a name="l00505"></a>00505
<a name="l00506"></a>00506 <span class="keywordflow">if</span> (title && (*title != <span class="charliteral">'\0'</span>)) {
<a name="l00507"></a>00507 DEBUGMSGTL((debugtoken, <span class="stringliteral">"%s\n"</span>, title));
<a name="l00508"></a>00508 }
<a name="l00509"></a>00509
<a name="l00510"></a>00510
<a name="l00511"></a>00511 memset(chunk, 0, SNMP_MAXBUF);
<a name="l00512"></a>00512 size = <a class="code" href="group__util.html#gafb1770dd180ccdd29dafc90cf50d3204" title="converts binary to hexidecimal">binary_to_hex</a>(buf, size, &s);
<a name="l00513"></a>00513 sp = s;
<a name="l00514"></a>00514
<a name="l00515"></a>00515 <span class="keywordflow">while</span> (size > 0) {
<a name="l00516"></a>00516 <span class="keywordflow">if</span> (size > (<span class="keywordtype">int</span>) printunit) {
<a name="l00517"></a>00517 strncpy(chunk, sp, printunit);
<a name="l00518"></a>00518 chunk[printunit] = <span class="charliteral">'\0'</span>;
<a name="l00519"></a>00519 DEBUGMSGTL((debugtoken, <span class="stringliteral">"\t%s\n"</span>, chunk));
<a name="l00520"></a>00520 } <span class="keywordflow">else</span> {
<a name="l00521"></a>00521 DEBUGMSGTL((debugtoken, <span class="stringliteral">"\t%s\n"</span>, sp));
<a name="l00522"></a>00522 }
<a name="l00523"></a>00523
<a name="l00524"></a>00524 sp += printunit;
<a name="l00525"></a>00525 size -= printunit;
<a name="l00526"></a>00526 }
<a name="l00527"></a>00527
<a name="l00528"></a>00528
<a name="l00529"></a>00529 <a class="code" href="group__util.html#ga951e93edb6f0ea941e26155e3f8912a6" title="Frees a pointer only if it is !NULL and sets its value to NULL.">SNMP_FREE</a>(s);
<a name="l00530"></a>00530
<a name="l00531"></a>00531 } <span class="comment">/* end dump_chunk() */</span>
<a name="l00532"></a>00532
<a name="l00533"></a>00533
<a name="l00534"></a>00534
<a name="l00535"></a>00535
<a name="l00536"></a>00536 <span class="comment">/*******************************************************************-o-******</span>
<a name="l00537"></a>00537 <span class="comment"> * dump_snmpEngineID</span>
<a name="l00538"></a>00538 <span class="comment"> *</span>
<a name="l00539"></a>00539 <span class="comment"> * Parameters:</span>
<a name="l00540"></a>00540 <span class="comment"> * *estring</span>
<a name="l00541"></a>00541 <span class="comment"> * *estring_len</span>
<a name="l00542"></a>00542 <span class="comment"> * </span>
<a name="l00543"></a>00543 <span class="comment"> * Returns:</span>
<a name="l00544"></a>00544 <span class="comment"> * Allocated memory pointing to a string of buflen char representing</span>
<a name="l00545"></a>00545 <span class="comment"> * a printf'able form of the snmpEngineID.</span>
<a name="l00546"></a>00546 <span class="comment"> *</span>
<a name="l00547"></a>00547 <span class="comment"> * -OR- NULL on error.</span>
<a name="l00548"></a>00548 <span class="comment"> *</span>
<a name="l00549"></a>00549 <span class="comment"> *</span>
<a name="l00550"></a>00550 <span class="comment"> * Translates the snmpEngineID TC into a printable string. From RFC 2271,</span>
<a name="l00551"></a>00551 <span class="comment"> * Section 5 (pp. 36-37):</span>
<a name="l00552"></a>00552 <span class="comment"> *</span>
<a name="l00553"></a>00553 <span class="comment"> * First bit: 0 Bit string structured by means non-SNMPv3.</span>
<a name="l00554"></a>00554 <span class="comment"> * 1 Structure described by SNMPv3 SnmpEngineID TC.</span>
<a name="l00555"></a>00555 <span class="comment"> * </span>
<a name="l00556"></a>00556 <span class="comment"> * Bytes 1-4: Enterprise ID. (High bit of first byte is ignored.)</span>
<a name="l00557"></a>00557 <span class="comment"> * </span>
<a name="l00558"></a>00558 <span class="comment"> * Byte 5: 0 (RESERVED by IANA.)</span>
<a name="l00559"></a>00559 <span class="comment"> * 1 IPv4 address. ( 4 octets)</span>
<a name="l00560"></a>00560 <span class="comment"> * 2 IPv6 address. ( 16 octets)</span>
<a name="l00561"></a>00561 <span class="comment"> * 3 MAC address. ( 6 octets)</span>
<a name="l00562"></a>00562 <span class="comment"> * 4 Locally defined text. (0-27 octets)</span>
<a name="l00563"></a>00563 <span class="comment"> * 5 Locally defined octets. (0-27 octets)</span>
<a name="l00564"></a>00564 <span class="comment"> * 6-127 (RESERVED for enterprise.)</span>
<a name="l00565"></a>00565 <span class="comment"> * </span>
<a name="l00566"></a>00566 <span class="comment"> * Bytes 6-32: (Determined by byte 5.)</span>
<a name="l00567"></a>00567 <span class="comment"> * </span>
<a name="l00568"></a>00568 <span class="comment"> *</span>
<a name="l00569"></a>00569 <span class="comment"> * Non-printable characters are given in hex. Text is given in quotes.</span>
<a name="l00570"></a>00570 <span class="comment"> * IP and MAC addresses are given in standard (UN*X) conventions. Sections</span>
<a name="l00571"></a>00571 <span class="comment"> * are comma separated.</span>
<a name="l00572"></a>00572 <span class="comment"> *</span>
<a name="l00573"></a>00573 <span class="comment"> * esp, remaining_len and s trace the state of the constructed buffer.</span>
<a name="l00574"></a>00574 <span class="comment"> * s will be defined if there is something to return, and it will point</span>
<a name="l00575"></a>00575 <span class="comment"> * to the end of the constructed buffer.</span>
<a name="l00576"></a>00576 <span class="comment"> *</span>
<a name="l00577"></a>00577 <span class="comment"> *</span>
<a name="l00578"></a>00578 <span class="comment"> * ASSUME "Text" means printable characters.</span>
<a name="l00579"></a>00579 <span class="comment"> *</span>
<a name="l00580"></a>00580 <span class="comment"> * XXX Must the snmpEngineID always have a minimum length of 12?</span>
<a name="l00581"></a>00581 <span class="comment"> * (Cf. part 2 of the TC definition.)</span>
<a name="l00582"></a>00582 <span class="comment"> * XXX Does not enforce upper-bound of 32 bytes.</span>
<a name="l00583"></a>00583 <span class="comment"> * XXX Need a switch to decide whether to use DNS name instead of a simple</span>
<a name="l00584"></a>00584 <span class="comment"> * IP address.</span>
<a name="l00585"></a>00585 <span class="comment"> *</span>
<a name="l00586"></a>00586 <span class="comment"> * FIX Use something other than snprint_hexstring which doesn't add </span>
<a name="l00587"></a>00587 <span class="comment"> * trailing spaces and (sometimes embedded) newlines...</span>
<a name="l00588"></a>00588 <span class="comment"> */</span>
<a name="l00589"></a>00589 <span class="preprocessor">#ifdef NETSNMP_ENABLE_TESTING_CODE</span>
<a name="l00590"></a>00590 <span class="preprocessor"></span><span class="keywordtype">char</span> *
<a name="l00591"></a>00591 dump_snmpEngineID(<span class="keyword">const</span> u_char * estring, <span class="keywordtype">size_t</span> * estring_len)
<a name="l00592"></a>00592 {
<a name="l00593"></a>00593 <span class="preprocessor">#define eb(b) ( *(esp+b) & 0xff )</span>
<a name="l00594"></a>00594 <span class="preprocessor"></span>
<a name="l00595"></a>00595 <span class="keywordtype">int</span> rval = SNMPERR_SUCCESS, gotviolation = 0, slen = 0;
<a name="l00596"></a>00596 u_int remaining_len;
<a name="l00597"></a>00597
<a name="l00598"></a>00598 <span class="keywordtype">char</span> buf[SNMP_MAXBUF], *s = NULL, *t;
<a name="l00599"></a>00599 <span class="keyword">const</span> u_char *esp = estring;
<a name="l00600"></a>00600
<a name="l00601"></a>00601 <span class="keyword">struct </span>in_addr iaddr;
<a name="l00602"></a>00602
<a name="l00603"></a>00603
<a name="l00604"></a>00604
<a name="l00605"></a>00605 <span class="comment">/*</span>
<a name="l00606"></a>00606 <span class="comment"> * Sanity check.</span>
<a name="l00607"></a>00607 <span class="comment"> */</span>
<a name="l00608"></a>00608 <span class="keywordflow">if</span> (!estring || (*estring_len <= 0)) {
<a name="l00609"></a>00609 QUITFUN(SNMPERR_GENERR, dump_snmpEngineID_quit);
<a name="l00610"></a>00610 }
<a name="l00611"></a>00611 remaining_len = *estring_len;
<a name="l00612"></a>00612 memset(buf, 0, SNMP_MAXBUF);
<a name="l00613"></a>00613
<a name="l00614"></a>00614
<a name="l00615"></a>00615
<a name="l00616"></a>00616 <span class="comment">/*</span>
<a name="l00617"></a>00617 <span class="comment"> * Test first bit. Return immediately with a hex string, or</span>
<a name="l00618"></a>00618 <span class="comment"> * begin by formatting the enterprise ID.</span>
<a name="l00619"></a>00619 <span class="comment"> */</span>
<a name="l00620"></a>00620 <span class="keywordflow">if</span> (!(*esp & 0x80)) {
<a name="l00621"></a>00621 snprint_hexstring(buf, SNMP_MAXBUF, esp, remaining_len);
<a name="l00622"></a>00622 s = strchr(buf, <span class="charliteral">'\0'</span>);
<a name="l00623"></a>00623 s -= 1;
<a name="l00624"></a>00624 <span class="keywordflow">goto</span> dump_snmpEngineID_quit;
<a name="l00625"></a>00625 }
<a name="l00626"></a>00626
<a name="l00627"></a>00627 s = buf;
<a name="l00628"></a>00628 s += sprintf(s, <span class="stringliteral">"enterprise %d, "</span>, ((*(esp + 0) & 0x7f) << 24) |
<a name="l00629"></a>00629 ((*(esp + 1) & 0xff) << 16) |
<a name="l00630"></a>00630 ((*(esp + 2) & 0xff) << 8) | ((*(esp + 3) & 0xff)));
<a name="l00631"></a>00631 <span class="comment">/*</span>
<a name="l00632"></a>00632 <span class="comment"> * XXX Ick. </span>
<a name="l00633"></a>00633 <span class="comment"> */</span>
<a name="l00634"></a>00634
<a name="l00635"></a>00635 <span class="keywordflow">if</span> (remaining_len < 5) { <span class="comment">/* XXX Violating string. */</span>
<a name="l00636"></a>00636 <span class="keywordflow">goto</span> dump_snmpEngineID_quit;
<a name="l00637"></a>00637 }
<a name="l00638"></a>00638
<a name="l00639"></a>00639 esp += 4; <span class="comment">/* Incremented one more in the switch below. */</span>
<a name="l00640"></a>00640 remaining_len -= 5;
<a name="l00641"></a>00641
<a name="l00642"></a>00642
<a name="l00643"></a>00643
<a name="l00644"></a>00644 <span class="comment">/*</span>
<a name="l00645"></a>00645 <span class="comment"> * Act on the fifth byte.</span>
<a name="l00646"></a>00646 <span class="comment"> */</span>
<a name="l00647"></a>00647 <span class="keywordflow">switch</span> ((<span class="keywordtype">int</span>) *esp++) {
<a name="l00648"></a>00648 <span class="keywordflow">case</span> 1: <span class="comment">/* IPv4 address. */</span>
<a name="l00649"></a>00649
<a name="l00650"></a>00650 <span class="keywordflow">if</span> (remaining_len < 4)
<a name="l00651"></a>00651 <span class="keywordflow">goto</span> dump_snmpEngineID_violation;
<a name="l00652"></a>00652 memcpy(&iaddr.s_addr, esp, 4);
<a name="l00653"></a>00653
<a name="l00654"></a>00654 <span class="keywordflow">if</span> (!(t = inet_ntoa(iaddr)))
<a name="l00655"></a>00655 <span class="keywordflow">goto</span> dump_snmpEngineID_violation;
<a name="l00656"></a>00656 s += sprintf(s, <span class="stringliteral">"%s"</span>, t);
<a name="l00657"></a>00657
<a name="l00658"></a>00658 esp += 4;
<a name="l00659"></a>00659 remaining_len -= 4;
<a name="l00660"></a>00660 <span class="keywordflow">break</span>;
<a name="l00661"></a>00661
<a name="l00662"></a>00662 <span class="keywordflow">case</span> 2: <span class="comment">/* IPv6 address. */</span>
<a name="l00663"></a>00663
<a name="l00664"></a>00664 <span class="keywordflow">if</span> (remaining_len < 16)
<a name="l00665"></a>00665 <span class="keywordflow">goto</span> dump_snmpEngineID_violation;
<a name="l00666"></a>00666
<a name="l00667"></a>00667 s += sprintf(s,
<a name="l00668"></a>00668 <span class="stringliteral">"%02X%02X %02X%02X %02X%02X %02X%02X::"</span>
<a name="l00669"></a>00669 <span class="stringliteral">"%02X%02X %02X%02X %02X%02X %02X%02X"</span>,
<a name="l00670"></a>00670 eb(0), eb(1), eb(2), eb(3),
<a name="l00671"></a>00671 eb(4), eb(5), eb(6), eb(7),
<a name="l00672"></a>00672 eb(8), eb(9), eb(10), eb(11),
<a name="l00673"></a>00673 eb(12), eb(13), eb(14), eb(15));
<a name="l00674"></a>00674
<a name="l00675"></a>00675 esp += 16;
<a name="l00676"></a>00676 remaining_len -= 16;
<a name="l00677"></a>00677 <span class="keywordflow">break</span>;
<a name="l00678"></a>00678
<a name="l00679"></a>00679 <span class="keywordflow">case</span> 3: <span class="comment">/* MAC address. */</span>
<a name="l00680"></a>00680
<a name="l00681"></a>00681 <span class="keywordflow">if</span> (remaining_len < 6)
<a name="l00682"></a>00682 <span class="keywordflow">goto</span> dump_snmpEngineID_violation;
<a name="l00683"></a>00683
<a name="l00684"></a>00684 s += sprintf(s, <span class="stringliteral">"%02X:%02X:%02X:%02X:%02X:%02X"</span>,
<a name="l00685"></a>00685 eb(0), eb(1), eb(2), eb(3), eb(4), eb(5));
<a name="l00686"></a>00686
<a name="l00687"></a>00687 esp += 6;
<a name="l00688"></a>00688 remaining_len -= 6;
<a name="l00689"></a>00689 <span class="keywordflow">break</span>;
<a name="l00690"></a>00690
<a name="l00691"></a>00691 <span class="keywordflow">case</span> 4: <span class="comment">/* Text. */</span>
<a name="l00692"></a>00692
<a name="l00693"></a>00693 <span class="comment">/*</span>
<a name="l00694"></a>00694 <span class="comment"> * Doesn't exist on all (many) architectures </span>
<a name="l00695"></a>00695 <span class="comment"> */</span>
<a name="l00696"></a>00696 <span class="comment">/*</span>
<a name="l00697"></a>00697 <span class="comment"> * s += snprintf(s, remaining_len+3, "\"%s\"", esp); </span>
<a name="l00698"></a>00698 <span class="comment"> */</span>
<a name="l00699"></a>00699 s += sprintf(s, <span class="stringliteral">"\"%s\""</span>, esp);
<a name="l00700"></a>00700 <span class="keywordflow">goto</span> dump_snmpEngineID_quit;
<a name="l00701"></a>00701 <span class="keywordflow">break</span>;
<a name="l00702"></a>00702 <span class="comment">/*NOTREACHED*/</span> <span class="keywordflow">case</span> 5: <span class="comment">/* Octets. */</span>
<a name="l00703"></a>00703
<a name="l00704"></a>00704 snprint_hexstring(s, (SNMP_MAXBUF - (s-buf)),
<a name="l00705"></a>00705 esp, remaining_len);
<a name="l00706"></a>00706 s = strchr(buf, <span class="charliteral">'\0'</span>);
<a name="l00707"></a>00707 s -= 1;
<a name="l00708"></a>00708 <span class="keywordflow">goto</span> dump_snmpEngineID_quit;
<a name="l00709"></a>00709 <span class="keywordflow">break</span>;
<a name="l00710"></a>00710 <span class="comment">/*NOTREACHED*/</span> dump_snmpEngineID_violation:
<a name="l00711"></a>00711 <span class="keywordflow">case</span> 0: <span class="comment">/* Violation of RESERVED, </span>
<a name="l00712"></a>00712 <span class="comment"> * * -OR- of expected length.</span>
<a name="l00713"></a>00713 <span class="comment"> */</span>
<a name="l00714"></a>00714 gotviolation = 1;
<a name="l00715"></a>00715 s += sprintf(s, <span class="stringliteral">"!!! "</span>);
<a name="l00716"></a>00716
<a name="l00717"></a>00717 <span class="keywordflow">default</span>: <span class="comment">/* Unknown encoding. */</span>
<a name="l00718"></a>00718
<a name="l00719"></a>00719 <span class="keywordflow">if</span> (!gotviolation) {
<a name="l00720"></a>00720 s += sprintf(s, <span class="stringliteral">"??? "</span>);
<a name="l00721"></a>00721 }
<a name="l00722"></a>00722 snprint_hexstring(s, (SNMP_MAXBUF - (s-buf)),
<a name="l00723"></a>00723 esp, remaining_len);
<a name="l00724"></a>00724 s = strchr(buf, <span class="charliteral">'\0'</span>);
<a name="l00725"></a>00725 s -= 1;
<a name="l00726"></a>00726
<a name="l00727"></a>00727 <span class="keywordflow">goto</span> dump_snmpEngineID_quit;
<a name="l00728"></a>00728
<a name="l00729"></a>00729 } <span class="comment">/* endswitch */</span>
<a name="l00730"></a>00730
<a name="l00731"></a>00731
<a name="l00732"></a>00732
<a name="l00733"></a>00733 <span class="comment">/*</span>
<a name="l00734"></a>00734 <span class="comment"> * Cases 1-3 (IP and MAC addresses) should not have trailing</span>
<a name="l00735"></a>00735 <span class="comment"> * octets, but perhaps they do. Throw them in too. XXX</span>
<a name="l00736"></a>00736 <span class="comment"> */</span>
<a name="l00737"></a>00737 <span class="keywordflow">if</span> (remaining_len > 0) {
<a name="l00738"></a>00738 s += sprintf(s, <span class="stringliteral">" (??? "</span>);
<a name="l00739"></a>00739
<a name="l00740"></a>00740 snprint_hexstring(s, (SNMP_MAXBUF - (s-buf)),
<a name="l00741"></a>00741 esp, remaining_len);
<a name="l00742"></a>00742 s = strchr(buf, <span class="charliteral">'\0'</span>);
<a name="l00743"></a>00743 s -= 1;
<a name="l00744"></a>00744
<a name="l00745"></a>00745 s += sprintf(s, <span class="stringliteral">")"</span>);
<a name="l00746"></a>00746 }
<a name="l00747"></a>00747
<a name="l00748"></a>00748
<a name="l00749"></a>00749
<a name="l00750"></a>00750 dump_snmpEngineID_quit:
<a name="l00751"></a>00751 <span class="keywordflow">if</span> (s) {
<a name="l00752"></a>00752 slen = s - buf + 1;
<a name="l00753"></a>00753 s = calloc(1, slen);
<a name="l00754"></a>00754 memcpy(s, buf, (slen) - 1);
<a name="l00755"></a>00755 }
<a name="l00756"></a>00756
<a name="l00757"></a>00757 memset(buf, 0, SNMP_MAXBUF); <span class="comment">/* XXX -- Overkill? XXX: Yes! */</span>
<a name="l00758"></a>00758
<a name="l00759"></a>00759 <span class="keywordflow">return</span> s;
<a name="l00760"></a>00760
<a name="l00761"></a>00761 <span class="preprocessor">#undef eb</span>
<a name="l00762"></a>00762 <span class="preprocessor"></span>} <span class="comment">/* end dump_snmpEngineID() */</span>
<a name="l00763"></a>00763 <span class="preprocessor">#endif </span><span class="comment">/* NETSNMP_ENABLE_TESTING_CODE */</span>
<a name="l00764"></a>00764
<a name="l00765"></a>00765
<a name="l00770"></a>00770 marker_t
<a name="l00771"></a><a class="code" href="group__util.html#gadd8427286d982acba71489f0a3012dfb">00771</a> <a class="code" href="group__util.html#gadd8427286d982acba71489f0a3012dfb" title="create a new time marker.">atime_newMarker</a>(<span class="keywordtype">void</span>)
<a name="l00772"></a>00772 {
<a name="l00773"></a>00773 marker_t pm = (marker_t) calloc(1, <span class="keyword">sizeof</span>(<span class="keyword">struct</span> timeval));
<a name="l00774"></a>00774 gettimeofday((<span class="keyword">struct</span> timeval *) pm, 0);
<a name="l00775"></a>00775 <span class="keywordflow">return</span> pm;
<a name="l00776"></a>00776 }
<a name="l00777"></a>00777
<a name="l00781"></a>00781 <span class="keywordtype">void</span>
<a name="l00782"></a><a class="code" href="group__util.html#gaac74a9b90a9483019e8872d0c923567c">00782</a> <a class="code" href="group__util.html#gaac74a9b90a9483019e8872d0c923567c" title="set a time marker.">atime_setMarker</a>(marker_t pm)
<a name="l00783"></a>00783 {
<a name="l00784"></a>00784 <span class="keywordflow">if</span> (!pm)
<a name="l00785"></a>00785 <span class="keywordflow">return</span>;
<a name="l00786"></a>00786
<a name="l00787"></a>00787 gettimeofday((<span class="keyword">struct</span> timeval *) pm, 0);
<a name="l00788"></a>00788 }
<a name="l00789"></a>00789
<a name="l00790"></a>00790
<a name="l00794"></a>00794 <span class="keywordtype">long</span>
<a name="l00795"></a><a class="code" href="group__util.html#gaee67c956c1fcd842e739e2a8e9f57365">00795</a> <a class="code" href="group__util.html#gaee67c956c1fcd842e739e2a8e9f57365" title="Returns the difference (in msec) between the two markers.">atime_diff</a>(marker_t first, marker_t second)
<a name="l00796"></a>00796 {
<a name="l00797"></a>00797 <span class="keyword">struct </span>timeval *tv1, *tv2, diff;
<a name="l00798"></a>00798
<a name="l00799"></a>00799 tv1 = (<span class="keyword">struct </span>timeval *) first;
<a name="l00800"></a>00800 tv2 = (<span class="keyword">struct </span>timeval *) second;
<a name="l00801"></a>00801
<a name="l00802"></a>00802 diff.tv_sec = tv2->tv_sec - tv1->tv_sec - 1;
<a name="l00803"></a>00803 diff.tv_usec = tv2->tv_usec - tv1->tv_usec + 1000000;
<a name="l00804"></a>00804
<a name="l00805"></a>00805 <span class="keywordflow">return</span> (diff.tv_sec * 1000 + diff.tv_usec / 1000);
<a name="l00806"></a>00806 }
<a name="l00807"></a>00807
<a name="l00811"></a>00811 u_long
<a name="l00812"></a><a class="code" href="group__util.html#ga1d44372c028e3c38de4161c52c226948">00812</a> <a class="code" href="group__util.html#ga1d44372c028e3c38de4161c52c226948" title="Returns the difference (in u_long msec) between the two markers.">uatime_diff</a>(marker_t first, marker_t second)
<a name="l00813"></a>00813 {
<a name="l00814"></a>00814 <span class="keyword">struct </span>timeval *tv1, *tv2, diff;
<a name="l00815"></a>00815
<a name="l00816"></a>00816 tv1 = (<span class="keyword">struct </span>timeval *) first;
<a name="l00817"></a>00817 tv2 = (<span class="keyword">struct </span>timeval *) second;
<a name="l00818"></a>00818
<a name="l00819"></a>00819 diff.tv_sec = tv2->tv_sec - tv1->tv_sec - 1;
<a name="l00820"></a>00820 diff.tv_usec = tv2->tv_usec - tv1->tv_usec + 1000000;
<a name="l00821"></a>00821
<a name="l00822"></a>00822 <span class="keywordflow">return</span> (((u_long) diff.tv_sec) * 1000 + diff.tv_usec / 1000);
<a name="l00823"></a>00823 }
<a name="l00824"></a>00824
<a name="l00829"></a>00829 u_long
<a name="l00830"></a><a class="code" href="group__util.html#ga96b8aa8b0c5556f923dcfe9b56443606">00830</a> <a class="code" href="group__util.html#ga96b8aa8b0c5556f923dcfe9b56443606" title="Returns the difference (in u_long 1/100th secs) between the two markers (functionally this is what sy...">uatime_hdiff</a>(marker_t first, marker_t second)
<a name="l00831"></a>00831 {
<a name="l00832"></a>00832 <span class="keyword">struct </span>timeval *tv1, *tv2, diff;
<a name="l00833"></a>00833 u_long res;
<a name="l00834"></a>00834
<a name="l00835"></a>00835 tv1 = (<span class="keyword">struct </span>timeval *) first;
<a name="l00836"></a>00836 tv2 = (<span class="keyword">struct </span>timeval *) second;
<a name="l00837"></a>00837
<a name="l00838"></a>00838 diff.tv_sec = tv2->tv_sec - tv1->tv_sec - 1;
<a name="l00839"></a>00839 diff.tv_usec = tv2->tv_usec - tv1->tv_usec + 1000000;
<a name="l00840"></a>00840
<a name="l00841"></a>00841 res = ((u_long) diff.tv_sec) * 100 + diff.tv_usec / 10000;
<a name="l00842"></a>00842 <span class="keywordflow">return</span> res;
<a name="l00843"></a>00843 }
<a name="l00844"></a>00844
<a name="l00849"></a>00849 <span class="keywordtype">int</span>
<a name="l00850"></a><a class="code" href="group__util.html#ga43a00cd4f3496eb42fb99285a2da8481">00850</a> <a class="code" href="group__util.html#ga43a00cd4f3496eb42fb99285a2da8481" title="Test: Has (marked time plus delta) exceeded current time (in msec) ? Returns 0 if test fails or canno...">atime_ready</a>(marker_t pm, <span class="keywordtype">int</span> deltaT)
<a name="l00851"></a>00851 {
<a name="l00852"></a>00852 marker_t now;
<a name="l00853"></a>00853 <span class="keywordtype">long</span> diff;
<a name="l00854"></a>00854 <span class="keywordflow">if</span> (!pm)
<a name="l00855"></a>00855 <span class="keywordflow">return</span> 0;
<a name="l00856"></a>00856
<a name="l00857"></a>00857 now = <a class="code" href="group__util.html#gadd8427286d982acba71489f0a3012dfb" title="create a new time marker.">atime_newMarker</a>();
<a name="l00858"></a>00858
<a name="l00859"></a>00859 diff = <a class="code" href="group__util.html#gaee67c956c1fcd842e739e2a8e9f57365" title="Returns the difference (in msec) between the two markers.">atime_diff</a>(pm, now);
<a name="l00860"></a>00860 free(now);
<a name="l00861"></a>00861 <span class="keywordflow">if</span> (diff < deltaT)
<a name="l00862"></a>00862 <span class="keywordflow">return</span> 0;
<a name="l00863"></a>00863
<a name="l00864"></a>00864 <span class="keywordflow">return</span> 1;
<a name="l00865"></a>00865 }
<a name="l00866"></a>00866
<a name="l00871"></a>00871 <span class="keywordtype">int</span>
<a name="l00872"></a><a class="code" href="group__util.html#ga15b21d7af289044a10e22b6111f43523">00872</a> <a class="code" href="group__util.html#ga15b21d7af289044a10e22b6111f43523" title="Test: Has (marked time plus delta) exceeded current time (in msec) ? Returns 0 if test fails or canno...">uatime_ready</a>(marker_t pm, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> deltaT)
<a name="l00873"></a>00873 {
<a name="l00874"></a>00874 marker_t now;
<a name="l00875"></a>00875 u_long diff;
<a name="l00876"></a>00876 <span class="keywordflow">if</span> (!pm)
<a name="l00877"></a>00877 <span class="keywordflow">return</span> 0;
<a name="l00878"></a>00878
<a name="l00879"></a>00879 now = <a class="code" href="group__util.html#gadd8427286d982acba71489f0a3012dfb" title="create a new time marker.">atime_newMarker</a>();
<a name="l00880"></a>00880
<a name="l00881"></a>00881 diff = <a class="code" href="group__util.html#ga1d44372c028e3c38de4161c52c226948" title="Returns the difference (in u_long msec) between the two markers.">uatime_diff</a>(pm, now);
<a name="l00882"></a>00882 free(now);
<a name="l00883"></a>00883 <span class="keywordflow">if</span> (diff < deltaT)
<a name="l00884"></a>00884 <span class="keywordflow">return</span> 0;
<a name="l00885"></a>00885
<a name="l00886"></a>00886 <span class="keywordflow">return</span> 1;
<a name="l00887"></a>00887 }
<a name="l00888"></a>00888
<a name="l00889"></a>00889
<a name="l00890"></a>00890 <span class="comment">/*</span>
<a name="l00891"></a>00891 <span class="comment"> * Time-related utility functions</span>
<a name="l00892"></a>00892 <span class="comment"> */</span>
<a name="l00893"></a>00893
<a name="l00897"></a>00897 <span class="keywordtype">int</span>
<a name="l00898"></a><a class="code" href="group__util.html#gad8f70e6754e69772a113c07f8607d5eb">00898</a> <a class="code" href="group__util.html#gad8f70e6754e69772a113c07f8607d5eb" title="Return the number of timeTicks since the given marker.">marker_tticks</a>(marker_t pm)
<a name="l00899"></a>00899 {
<a name="l00900"></a>00900 <span class="keywordtype">int</span> res;
<a name="l00901"></a>00901 marker_t now = <a class="code" href="group__util.html#gadd8427286d982acba71489f0a3012dfb" title="create a new time marker.">atime_newMarker</a>();
<a name="l00902"></a>00902
<a name="l00903"></a>00903 res = <a class="code" href="group__util.html#gaee67c956c1fcd842e739e2a8e9f57365" title="Returns the difference (in msec) between the two markers.">atime_diff</a>(pm, now);
<a name="l00904"></a>00904 free(now);
<a name="l00905"></a>00905 <span class="keywordflow">return</span> res / 10; <span class="comment">/* atime_diff works in msec, not csec */</span>
<a name="l00906"></a>00906 }
<a name="l00907"></a>00907
<a name="l00908"></a>00908 <span class="keywordtype">int</span>
<a name="l00909"></a>00909 timeval_tticks(<span class="keyword">struct</span> timeval *tv)
<a name="l00910"></a>00910 {
<a name="l00911"></a>00911 <span class="keywordflow">return</span> <a class="code" href="group__util.html#gad8f70e6754e69772a113c07f8607d5eb" title="Return the number of timeTicks since the given marker.">marker_tticks</a>((marker_t) tv);
<a name="l00912"></a>00912 }
<a name="l00913"></a>00913
<a name="l00926"></a><a class="code" href="group__util.html#ga1816d1ce1e701fcbce27b20159433313">00926</a> <span class="keywordtype">char</span> *<a class="code" href="group__util.html#ga1816d1ce1e701fcbce27b20159433313" title="Non Windows: Returns a pointer to the desired environment variable or NULL if the environment variabl...">netsnmp_getenv</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *name)
<a name="l00927"></a>00927 {
<a name="l00928"></a>00928 <span class="preprocessor">#if !defined (WIN32) && !defined (cygwin)</span>
<a name="l00929"></a>00929 <span class="preprocessor"></span> <span class="keywordflow">return</span> (getenv(name));
<a name="l00930"></a>00930 <span class="preprocessor">#else</span>
<a name="l00931"></a>00931 <span class="preprocessor"></span> <span class="keywordtype">char</span> *temp = NULL;
<a name="l00932"></a>00932 HKEY hKey;
<a name="l00933"></a>00933 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> * key_value = NULL;
<a name="l00934"></a>00934 DWORD key_value_size = 0;
<a name="l00935"></a>00935 DWORD key_value_type = 0;
<a name="l00936"></a>00936 DWORD getenv_worked = 0;
<a name="l00937"></a>00937
<a name="l00938"></a>00938 DEBUGMSGTL((<span class="stringliteral">"read_config"</span>, <span class="stringliteral">"netsnmp_getenv called with name: %s\n"</span>,name));
<a name="l00939"></a>00939
<a name="l00940"></a>00940 <span class="keywordflow">if</span> (!(name))
<a name="l00941"></a>00941 <span class="keywordflow">return</span> NULL;
<a name="l00942"></a>00942
<a name="l00943"></a>00943 <span class="comment">/* Try environment variable first */</span>
<a name="l00944"></a>00944 temp = getenv(name);
<a name="l00945"></a>00945 <span class="keywordflow">if</span> (temp) {
<a name="l00946"></a>00946 getenv_worked = 1;
<a name="l00947"></a>00947 DEBUGMSGTL((<span class="stringliteral">"read_config"</span>, <span class="stringliteral">"netsnmp_getenv will return from ENV: %s\n"</span>,temp));
<a name="l00948"></a>00948 }
<a name="l00949"></a>00949
<a name="l00950"></a>00950 <span class="comment">/* Next try HKCU */</span>
<a name="l00951"></a>00951 <span class="keywordflow">if</span> (temp == NULL)
<a name="l00952"></a>00952 {
<a name="l00953"></a>00953 <span class="keywordflow">if</span> (RegOpenKeyExA(
<a name="l00954"></a>00954 HKEY_CURRENT_USER,
<a name="l00955"></a>00955 <span class="stringliteral">"SOFTWARE\\Net-SNMP"</span>,
<a name="l00956"></a>00956 0,
<a name="l00957"></a>00957 KEY_QUERY_VALUE,
<a name="l00958"></a>00958 &hKey) == ERROR_SUCCESS) {
<a name="l00959"></a>00959
<a name="l00960"></a>00960 <span class="keywordflow">if</span> (RegQueryValueExA(
<a name="l00961"></a>00961 hKey,
<a name="l00962"></a>00962 name,
<a name="l00963"></a>00963 NULL,
<a name="l00964"></a>00964 &key_value_type,
<a name="l00965"></a>00965 NULL, <span class="comment">/* Just get the size */</span>
<a name="l00966"></a>00966 &key_value_size) == ERROR_SUCCESS) {
<a name="l00967"></a>00967
<a name="l00968"></a>00968 <span class="keywordflow">if</span> (key_value)
<a name="l00969"></a>00969 <a class="code" href="group__util.html#ga951e93edb6f0ea941e26155e3f8912a6" title="Frees a pointer only if it is !NULL and sets its value to NULL.">SNMP_FREE</a>(key_value);
<a name="l00970"></a>00970
<a name="l00971"></a>00971 <span class="comment">/* Allocate memory needed +1 to allow RegQueryValueExA to NULL terminate the</span>
<a name="l00972"></a>00972 <span class="comment"> * string data in registry is missing one (which is unlikely).</span>
<a name="l00973"></a>00973 <span class="comment"> */</span>
<a name="l00974"></a>00974 key_value = (<span class="keywordtype">char</span> *) malloc((<span class="keyword">sizeof</span>(<span class="keywordtype">char</span>) * key_value_size)+<span class="keyword">sizeof</span>(char));
<a name="l00975"></a>00975
<a name="l00976"></a>00976 <span class="keywordflow">if</span> (RegQueryValueExA(
<a name="l00977"></a>00977 hKey,
<a name="l00978"></a>00978 name,
<a name="l00979"></a>00979 NULL,
<a name="l00980"></a>00980 &key_value_type,
<a name="l00981"></a>00981 key_value,
<a name="l00982"></a>00982 &key_value_size) == ERROR_SUCCESS) {
<a name="l00983"></a>00983 }
<a name="l00984"></a>00984 temp = key_value;
<a name="l00985"></a>00985 }
<a name="l00986"></a>00986 RegCloseKey(hKey);
<a name="l00987"></a>00987 <span class="keywordflow">if</span> (temp)
<a name="l00988"></a>00988 DEBUGMSGTL((<span class="stringliteral">"read_config"</span>, <span class="stringliteral">"netsnmp_getenv will return from HKCU: %s\n"</span>,temp));
<a name="l00989"></a>00989 }
<a name="l00990"></a>00990 }
<a name="l00991"></a>00991
<a name="l00992"></a>00992 <span class="comment">/* Next try HKLM */</span>
<a name="l00993"></a>00993 <span class="keywordflow">if</span> (temp == NULL)
<a name="l00994"></a>00994 {
<a name="l00995"></a>00995 <span class="keywordflow">if</span> (RegOpenKeyExA(
<a name="l00996"></a>00996 HKEY_LOCAL_MACHINE,
<a name="l00997"></a>00997 <span class="stringliteral">"SOFTWARE\\Net-SNMP"</span>,
<a name="l00998"></a>00998 0,
<a name="l00999"></a>00999 KEY_QUERY_VALUE,
<a name="l01000"></a>01000 &hKey) == ERROR_SUCCESS) {
<a name="l01001"></a>01001
<a name="l01002"></a>01002 <span class="keywordflow">if</span> (RegQueryValueExA(
<a name="l01003"></a>01003 hKey,
<a name="l01004"></a>01004 name,
<a name="l01005"></a>01005 NULL,
<a name="l01006"></a>01006 &key_value_type,
<a name="l01007"></a>01007 NULL, <span class="comment">/* Just get the size */</span>
<a name="l01008"></a>01008 &key_value_size) == ERROR_SUCCESS) {
<a name="l01009"></a>01009
<a name="l01010"></a>01010 <span class="keywordflow">if</span> (key_value)
<a name="l01011"></a>01011 <a class="code" href="group__util.html#ga951e93edb6f0ea941e26155e3f8912a6" title="Frees a pointer only if it is !NULL and sets its value to NULL.">SNMP_FREE</a>(key_value);
<a name="l01012"></a>01012
<a name="l01013"></a>01013 <span class="comment">/* Allocate memory needed +1 to allow RegQueryValueExA to NULL terminate the</span>
<a name="l01014"></a>01014 <span class="comment"> * string data in registry is missing one (which is unlikely).</span>
<a name="l01015"></a>01015 <span class="comment"> */</span>
<a name="l01016"></a>01016 key_value = (<span class="keywordtype">char</span> *) malloc((<span class="keyword">sizeof</span>(<span class="keywordtype">char</span>) * key_value_size)+<span class="keyword">sizeof</span>(char));
<a name="l01017"></a>01017
<a name="l01018"></a>01018 <span class="keywordflow">if</span> (RegQueryValueExA(
<a name="l01019"></a>01019 hKey,
<a name="l01020"></a>01020 name,
<a name="l01021"></a>01021 NULL,
<a name="l01022"></a>01022 &key_value_type,
<a name="l01023"></a>01023 key_value,
<a name="l01024"></a>01024 &key_value_size) == ERROR_SUCCESS) {
<a name="l01025"></a>01025 }
<a name="l01026"></a>01026 temp = key_value;
<a name="l01027"></a>01027
<a name="l01028"></a>01028 }
<a name="l01029"></a>01029 RegCloseKey(hKey);
<a name="l01030"></a>01030 <span class="keywordflow">if</span> (temp)
<a name="l01031"></a>01031 DEBUGMSGTL((<span class="stringliteral">"read_config"</span>, <span class="stringliteral">"netsnmp_getenv will return from HKLM: %s\n"</span>,temp));
<a name="l01032"></a>01032 }
<a name="l01033"></a>01033 }
<a name="l01034"></a>01034
<a name="l01035"></a>01035 <span class="keywordflow">if</span> (temp && !getenv_worked) {
<a name="l01036"></a>01036 setenv(name, temp, 1);
<a name="l01037"></a>01037 <a class="code" href="group__util.html#ga951e93edb6f0ea941e26155e3f8912a6" title="Frees a pointer only if it is !NULL and sets its value to NULL.">SNMP_FREE</a>(temp);
<a name="l01038"></a>01038 }
<a name="l01039"></a>01039
<a name="l01040"></a>01040 DEBUGMSGTL((<span class="stringliteral">"read_config"</span>, <span class="stringliteral">"netsnmp_getenv returning: %s\n"</span>,getenv(name)));
<a name="l01041"></a>01041
<a name="l01042"></a>01042 <span class="keywordflow">return</span>(getenv(name));
<a name="l01043"></a>01043 <span class="preprocessor">#endif</span>
<a name="l01044"></a>01044 <span class="preprocessor"></span>}
<a name="l01045"></a>01045
<a name="l01046"></a>01046 <span class="comment">/*</span>
<a name="l01047"></a>01047 <span class="comment"> * swap the order of an inet addr string</span>
<a name="l01048"></a>01048 <span class="comment"> */</span>
<a name="l01049"></a>01049 <span class="keywordtype">int</span>
<a name="l01050"></a>01050 netsnmp_addrstr_hton(<span class="keywordtype">char</span> *ptr, <span class="keywordtype">size_t</span> len)
<a name="l01051"></a>01051 {
<a name="l01052"></a>01052 <span class="preprocessor">#ifndef WORDS_BIGENDIAN</span>
<a name="l01053"></a>01053 <span class="preprocessor"></span> <span class="keywordtype">char</span> tmp[8];
<a name="l01054"></a>01054
<a name="l01055"></a>01055 <span class="keywordflow">if</span> (8 == len) {
<a name="l01056"></a>01056 tmp[0] = ptr[6];
<a name="l01057"></a>01057 tmp[1] = ptr[7];
<a name="l01058"></a>01058 tmp[2] = ptr[4];
<a name="l01059"></a>01059 tmp[3] = ptr[5];
<a name="l01060"></a>01060 tmp[4] = ptr[2];
<a name="l01061"></a>01061 tmp[5] = ptr[3];
<a name="l01062"></a>01062 tmp[6] = ptr[0];
<a name="l01063"></a>01063 tmp[7] = ptr[1];
<a name="l01064"></a>01064 memcpy (ptr, &tmp, 8);
<a name="l01065"></a>01065 }
<a name="l01066"></a>01066 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (32 == len) {
<a name="l01067"></a>01067 netsnmp_addrstr_hton(ptr , 8);
<a name="l01068"></a>01068 netsnmp_addrstr_hton(ptr+8 , 8);
<a name="l01069"></a>01069 netsnmp_addrstr_hton(ptr+16, 8);
<a name="l01070"></a>01070 netsnmp_addrstr_hton(ptr+24, 8);
<a name="l01071"></a>01071 }
<a name="l01072"></a>01072 <span class="keywordflow">else</span>
<a name="l01073"></a>01073 <span class="keywordflow">return</span> -1;
<a name="l01074"></a>01074 <span class="preprocessor">#endif</span>
<a name="l01075"></a>01075 <span class="preprocessor"></span>
<a name="l01076"></a>01076 <span class="keywordflow">return</span> 0;
<a name="l01077"></a>01077 }
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