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 <span id="projectnumber">5.4.1</span>
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<div class="title">ucdDemoPublic.c</div> </div>
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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"> * ucdDemoPublic.c </span>
<a name="l00003"></a>00003 <span class="comment"> */</span>
<a name="l00004"></a>00004
<a name="l00005"></a>00005 <span class="preprocessor">#include <net-snmp/net-snmp-config.h></span>
<a name="l00006"></a>00006 <span class="preprocessor">#if HAVE_STDLIB_H</span>
<a name="l00007"></a>00007 <span class="preprocessor"></span><span class="preprocessor">#include <stdlib.h></span>
<a name="l00008"></a>00008 <span class="preprocessor">#endif</span>
<a name="l00009"></a>00009 <span class="preprocessor"></span><span class="preprocessor">#if HAVE_STRING_H</span>
<a name="l00010"></a>00010 <span class="preprocessor"></span><span class="preprocessor">#include <string.h></span>
<a name="l00011"></a>00011 <span class="preprocessor">#else</span>
<a name="l00012"></a>00012 <span class="preprocessor"></span><span class="preprocessor">#include <strings.h></span>
<a name="l00013"></a>00013 <span class="preprocessor">#endif</span>
<a name="l00014"></a>00014 <span class="preprocessor"></span>
<a name="l00015"></a>00015 <span class="preprocessor">#if TIME_WITH_SYS_TIME</span>
<a name="l00016"></a>00016 <span class="preprocessor"></span><span class="preprocessor"># ifdef WIN32</span>
<a name="l00017"></a>00017 <span class="preprocessor"></span><span class="preprocessor"># include <sys/timeb.h></span>
<a name="l00018"></a>00018 <span class="preprocessor"># else</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span><span class="preprocessor"># include <sys/time.h></span>
<a name="l00020"></a>00020 <span class="preprocessor"># endif</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor"># include <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"># if HAVE_SYS_TIME_H</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor"># include <sys/time.h></span>
<a name="l00025"></a>00025 <span class="preprocessor"># else</span>
<a name="l00026"></a>00026 <span class="preprocessor"></span><span class="preprocessor"># include <time.h></span>
<a name="l00027"></a>00027 <span class="preprocessor"># endif</span>
<a name="l00028"></a>00028 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span>
<a name="l00030"></a>00030 <span class="preprocessor">#if HAVE_WINSOCK_H</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span><span class="preprocessor">#include <winsock.h></span>
<a name="l00032"></a>00032 <span class="preprocessor">#endif</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span>
<a name="l00034"></a>00034 <span class="preprocessor">#include <net-snmp/net-snmp-includes.h></span>
<a name="l00035"></a>00035 <span class="preprocessor">#include <net-snmp/agent/net-snmp-agent-includes.h></span>
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="preprocessor">#include "util_funcs.h"</span>
<a name="l00038"></a>00038 <span class="preprocessor">#include "ucdDemoPublic.h"</span>
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="preprocessor">#define MYMAX 1024</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span><span class="preprocessor">#define MAXUSERS 10</span>
<a name="l00042"></a>00042 <span class="preprocessor"></span>
<a name="l00043"></a>00043 <span class="keywordtype">int</span> num = 0;
<a name="l00044"></a>00044 <span class="keyword">static</span> <span class="keywordtype">char</span> demoUsers[MAXUSERS][MYMAX + 1];
<a name="l00045"></a>00045 <span class="keyword">static</span> <span class="keywordtype">char</span> demopass[MYMAX + 1];
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="keywordtype">void</span>
<a name="l00048"></a>00048 ucdDemo_parse_user(<span class="keyword">const</span> <span class="keywordtype">char</span> *word, <span class="keywordtype">char</span> *line)
<a name="l00049"></a>00049 {
<a name="l00050"></a>00050 <span class="keywordflow">if</span> (num == MAXUSERS)
<a name="l00051"></a>00051 <span class="keywordflow">return</span>;
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="keywordflow">if</span> (strlen(line) > MYMAX)
<a name="l00054"></a>00054 <span class="keywordflow">return</span>;
<a name="l00055"></a>00055
<a name="l00056"></a>00056 strcpy(demoUsers[num++], line);
<a name="l00057"></a>00057 }
<a name="l00058"></a>00058
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="keywordtype">void</span>
<a name="l00061"></a>00061 ucdDemo_parse_userpass(<span class="keyword">const</span> <span class="keywordtype">char</span> *word, <span class="keywordtype">char</span> *line)
<a name="l00062"></a>00062 {
<a name="l00063"></a>00063 <span class="keywordflow">if</span> (strlen(line) > MYMAX)
<a name="l00064"></a>00064 <span class="keywordflow">return</span>;
<a name="l00065"></a>00065
<a name="l00066"></a>00066 strcpy(demopass, line);
<a name="l00067"></a>00067 }
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="comment">/*</span>
<a name="l00070"></a>00070 <span class="comment"> * this variable defines function callbacks and type return information </span>
<a name="l00071"></a>00071 <span class="comment"> * for the ucdDemoPublic mib </span>
<a name="l00072"></a>00072 <span class="comment"> */</span>
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keyword">struct </span><a class="code" href="structvariable2.html">variable2</a> ucdDemoPublic_variables[] = {
<a name="l00075"></a>00075 {UCDDEMORESETKEYS, ASN_INTEGER, RWRITE, var_ucdDemoPublic, 1, {1}},
<a name="l00076"></a>00076 {UCDDEMOPUBLICSTRING, ASN_OCTET_STR, RWRITE, var_ucdDemoPublic, 1,
<a name="l00077"></a>00077 {2}},
<a name="l00078"></a>00078 {UCDDEMOUSERLIST, ASN_OCTET_STR, RWRITE, var_ucdDemoPublic, 1, {3}},
<a name="l00079"></a>00079 {UCDDEMOPASSPHRASE, ASN_OCTET_STR, RWRITE, var_ucdDemoPublic, 1, {4}},
<a name="l00080"></a>00080
<a name="l00081"></a>00081 };
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="comment">/*</span>
<a name="l00084"></a>00084 <span class="comment"> * Define the OID pointer to the top of the mib tree that we're</span>
<a name="l00085"></a>00085 <span class="comment"> * registering underneath </span>
<a name="l00086"></a>00086 <span class="comment"> */</span>
<a name="l00087"></a>00087 oid ucdDemoPublic_variables_oid[] =
<a name="l00088"></a>00088 { 1, 3, 6, 1, 4, 1, 2021, 14, 1, 1 };
<a name="l00089"></a>00089
<a name="l00090"></a>00090 <span class="keywordtype">void</span>
<a name="l00091"></a>00091 init_ucdDemoPublic(<span class="keywordtype">void</span>)
<a name="l00092"></a>00092 {
<a name="l00093"></a>00093 REGISTER_MIB(<span class="stringliteral">"examples/ucdDemoPublic"</span>, ucdDemoPublic_variables,
<a name="l00094"></a>00094 <a class="code" href="structvariable2.html">variable2</a>, ucdDemoPublic_variables_oid);
<a name="l00095"></a>00095 snmpd_register_config_handler(<span class="stringliteral">"demoUser"</span>,
<a name="l00096"></a>00096 ucdDemo_parse_user, NULL, <span class="stringliteral">"USER"</span>);
<a name="l00097"></a>00097 snmpd_register_config_handler(<span class="stringliteral">"demoPass"</span>,
<a name="l00098"></a>00098 ucdDemo_parse_userpass, NULL,
<a name="l00099"></a>00099 <span class="stringliteral">"PASSPHASE"</span>);
<a name="l00100"></a>00100 }
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> publicString[MYMAX + 1];
<a name="l00103"></a>00103
<a name="l00104"></a>00104 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *
<a name="l00105"></a>00105 var_ucdDemoPublic(<span class="keyword">struct</span> <a class="code" href="structvariable.html">variable</a> *vp,
<a name="l00106"></a>00106 oid * name,
<a name="l00107"></a>00107 <span class="keywordtype">size_t</span> * length,
<a name="l00108"></a>00108 <span class="keywordtype">int</span> exact, <span class="keywordtype">size_t</span> * var_len, WriteMethod ** write_method)
<a name="l00109"></a>00109 {
<a name="l00110"></a>00110 <span class="keyword">static</span> <span class="keywordtype">long</span> long_ret;
<a name="l00111"></a>00111 <span class="keyword">static</span> <span class="keywordtype">char</span> <span class="keywordtype">string</span>[MYMAX + 1], *cp;
<a name="l00112"></a>00112 <span class="keywordtype">int</span> i;
<a name="l00113"></a>00113
<a name="l00114"></a>00114 *write_method = 0; <span class="comment">/* assume it isnt writable for the time being */</span>
<a name="l00115"></a>00115 *var_len = <span class="keyword">sizeof</span>(long_ret); <span class="comment">/* assume an integer and change later if not */</span>
<a name="l00116"></a>00116
<a name="l00117"></a>00117 <span class="keywordflow">if</span> (header_generic(vp, name, length, exact, var_len, write_method))
<a name="l00118"></a>00118 <span class="keywordflow">return</span> 0;
<a name="l00119"></a>00119
<a name="l00120"></a>00120 <span class="comment">/*</span>
<a name="l00121"></a>00121 <span class="comment"> * this is where we do the value assignments for the mib results. </span>
<a name="l00122"></a>00122 <span class="comment"> */</span>
<a name="l00123"></a>00123 <span class="keywordflow">switch</span> (vp->magic) {
<a name="l00124"></a>00124
<a name="l00125"></a>00125 <span class="keywordflow">case</span> UCDDEMORESETKEYS:
<a name="l00126"></a>00126 *write_method = write_ucdDemoResetKeys;
<a name="l00127"></a>00127 long_ret = 0;
<a name="l00128"></a>00128 <span class="keywordflow">return</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *) &long_ret;
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <span class="keywordflow">case</span> UCDDEMOPUBLICSTRING:
<a name="l00131"></a>00131 *write_method = write_ucdDemoPublicString;
<a name="l00132"></a>00132 *var_len = strlen(publicString);
<a name="l00133"></a>00133 <span class="keywordflow">return</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *) publicString;
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="keywordflow">case</span> UCDDEMOUSERLIST:
<a name="l00136"></a>00136 cp = string;
<a name="l00137"></a>00137 <span class="keywordflow">for</span> (i = 0; i < num; i++) {
<a name="l00138"></a>00138 snprintf(cp, <span class="keyword">sizeof</span>(<span class="keywordtype">string</span>)-strlen(<span class="keywordtype">string</span>), <span class="stringliteral">" %s"</span>, demoUsers[i]);
<a name="l00139"></a>00139 <span class="keywordtype">string</span>[MYMAX] = 0;
<a name="l00140"></a>00140 cp = cp + strlen(cp);
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142 *var_len = strlen(<span class="keywordtype">string</span>);
<a name="l00143"></a>00143 <span class="keywordflow">return</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *) string;
<a name="l00144"></a>00144
<a name="l00145"></a>00145 <span class="keywordflow">case</span> UCDDEMOPASSPHRASE:
<a name="l00146"></a>00146 *var_len = strlen(demopass);
<a name="l00147"></a>00147 <span class="keywordflow">return</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *) demopass;
<a name="l00148"></a>00148
<a name="l00149"></a>00149 <span class="keywordflow">default</span>:
<a name="l00150"></a>00150 DEBUGMSGTL((<span class="stringliteral">"snmpd"</span>, <span class="stringliteral">"unknown sub-id %d in var_ucdDemoPublic\n"</span>,
<a name="l00151"></a>00151 vp->magic));
<a name="l00152"></a>00152 }
<a name="l00153"></a>00153 <span class="keywordflow">return</span> 0;
<a name="l00154"></a>00154 }
<a name="l00155"></a>00155
<a name="l00156"></a>00156 <span class="keywordtype">int</span>
<a name="l00157"></a>00157 write_ucdDemoResetKeys(<span class="keywordtype">int</span> action,
<a name="l00158"></a>00158 u_char * var_val,
<a name="l00159"></a>00159 u_char var_val_type,
<a name="l00160"></a>00160 <span class="keywordtype">size_t</span> var_val_len,
<a name="l00161"></a>00161 u_char * statP, oid * name, <span class="keywordtype">size_t</span> name_len)
<a name="l00162"></a>00162 {
<a name="l00163"></a>00163 <span class="comment">/*</span>
<a name="l00164"></a>00164 <span class="comment"> * variables we may use later </span>
<a name="l00165"></a>00165 <span class="comment"> */</span>
<a name="l00166"></a>00166 <span class="keyword">static</span> <span class="keywordtype">long</span> long_ret;
<a name="l00167"></a>00167 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *engineID;
<a name="l00168"></a>00168 <span class="keywordtype">size_t</span> engineIDLen;
<a name="l00169"></a>00169 <span class="keywordtype">int</span> i;
<a name="l00170"></a>00170 <span class="keyword">struct </span><a class="code" href="structusmUser.html">usmUser</a> *user;
<a name="l00171"></a>00171
<a name="l00172"></a>00172 <span class="keywordflow">if</span> (var_val_type != ASN_INTEGER) {
<a name="l00173"></a>00173 DEBUGMSGTL((<span class="stringliteral">"ucdDemoPublic"</span>,
<a name="l00174"></a>00174 <span class="stringliteral">"write to ucdDemoResetKeys not ASN_INTEGER\n"</span>));
<a name="l00175"></a>00175 <span class="keywordflow">return</span> SNMP_ERR_WRONGTYPE;
<a name="l00176"></a>00176 }
<a name="l00177"></a>00177 <span class="keywordflow">if</span> (var_val_len > <span class="keyword">sizeof</span>(long_ret)) {
<a name="l00178"></a>00178 DEBUGMSGTL((<span class="stringliteral">"ucdDemoPublic"</span>,
<a name="l00179"></a>00179 <span class="stringliteral">"write to ucdDemoResetKeys: bad length\n"</span>));
<a name="l00180"></a>00180 <span class="keywordflow">return</span> SNMP_ERR_WRONGLENGTH;
<a name="l00181"></a>00181 }
<a name="l00182"></a>00182 <span class="keywordflow">if</span> (action == COMMIT) {
<a name="l00183"></a>00183 long_ret = *((<span class="keywordtype">long</span> *) var_val);
<a name="l00184"></a>00184 <span class="keywordflow">if</span> (long_ret == 1) {
<a name="l00185"></a>00185 engineID = snmpv3_generate_engineID(&engineIDLen);
<a name="l00186"></a>00186 <span class="keywordflow">for</span> (i = 0; i < num; i++) {
<a name="l00187"></a>00187 user = usm_get_user(engineID, engineIDLen, demoUsers[i]);
<a name="l00188"></a>00188 <span class="keywordflow">if</span> (user) {
<a name="l00189"></a>00189 usm_set_user_password(user, <span class="stringliteral">"userSetAuthPass"</span>,
<a name="l00190"></a>00190 demopass);
<a name="l00191"></a>00191 usm_set_user_password(user, <span class="stringliteral">"userSetPrivPass"</span>,
<a name="l00192"></a>00192 demopass);
<a name="l00193"></a>00193 }
<a name="l00194"></a>00194 }
<a name="l00195"></a>00195 <span class="comment">/*</span>
<a name="l00196"></a>00196 <span class="comment"> * reset the keys </span>
<a name="l00197"></a>00197 <span class="comment"> */</span>
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199 }
<a name="l00200"></a>00200 <span class="keywordflow">return</span> SNMP_ERR_NOERROR;
<a name="l00201"></a>00201 }
<a name="l00202"></a>00202
<a name="l00203"></a>00203 <span class="keywordtype">int</span>
<a name="l00204"></a>00204 write_ucdDemoPublicString(<span class="keywordtype">int</span> action,
<a name="l00205"></a>00205 u_char * var_val,
<a name="l00206"></a>00206 u_char var_val_type,
<a name="l00207"></a>00207 <span class="keywordtype">size_t</span> var_val_len,
<a name="l00208"></a>00208 u_char * statP, oid * name, <span class="keywordtype">size_t</span> name_len)
<a name="l00209"></a>00209 {
<a name="l00210"></a>00210 <span class="keywordflow">if</span> (var_val_type != ASN_OCTET_STR) {
<a name="l00211"></a>00211 DEBUGMSGTL((<span class="stringliteral">"ucdDemoPublic"</span>,
<a name="l00212"></a>00212 <span class="stringliteral">"write to ucdDemoPublicString not ASN_OCTET_STR\n"</span>));
<a name="l00213"></a>00213 <span class="keywordflow">return</span> SNMP_ERR_WRONGTYPE;
<a name="l00214"></a>00214 }
<a name="l00215"></a>00215 <span class="keywordflow">if</span> (var_val_len > MYMAX) {
<a name="l00216"></a>00216 DEBUGMSGTL((<span class="stringliteral">"ucdDemoPublic"</span>,
<a name="l00217"></a>00217 <span class="stringliteral">"write to ucdDemoPublicString: bad length\n"</span>));
<a name="l00218"></a>00218 <span class="keywordflow">return</span> SNMP_ERR_WRONGLENGTH;
<a name="l00219"></a>00219 }
<a name="l00220"></a>00220 <span class="keywordflow">if</span> (action == COMMIT) {
<a name="l00221"></a>00221 <span class="keywordflow">if</span> (var_val_len != 0) {
<a name="l00222"></a>00222 strcpy(publicString, var_val);
<a name="l00223"></a>00223 publicString[var_val_len] = <span class="charliteral">'\0'</span>;
<a name="l00224"></a>00224 } <span class="keywordflow">else</span>
<a name="l00225"></a>00225 publicString[0] = <span class="charliteral">'\0'</span>;
<a name="l00226"></a>00226 }
<a name="l00227"></a>00227 <span class="keywordflow">return</span> SNMP_ERR_NOERROR;
<a name="l00228"></a>00228 }
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