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<div class="title">snmpUnixDomain.c</div> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include <net-snmp/net-snmp-config.h></span>
<a name="l00002"></a>00002
<a name="l00003"></a>00003 <span class="preprocessor">#include <stdio.h></span>
<a name="l00004"></a>00004 <span class="preprocessor">#include <sys/types.h></span>
<a name="l00005"></a>00005 <span class="preprocessor">#include <ctype.h></span>
<a name="l00006"></a>00006 <span class="preprocessor">#include <errno.h></span>
<a name="l00007"></a>00007
<a name="l00008"></a>00008 <span class="preprocessor">#if HAVE_STRING_H</span>
<a name="l00009"></a>00009 <span class="preprocessor"></span><span class="preprocessor">#include <string.h></span>
<a name="l00010"></a>00010 <span class="preprocessor">#else</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#include <strings.h></span>
<a name="l00012"></a>00012 <span class="preprocessor">#endif</span>
<a name="l00013"></a>00013 <span class="preprocessor"></span><span class="preprocessor">#if HAVE_STDLIB_H</span>
<a name="l00014"></a>00014 <span class="preprocessor"></span><span class="preprocessor">#include <stdlib.h></span>
<a name="l00015"></a>00015 <span class="preprocessor">#endif</span>
<a name="l00016"></a>00016 <span class="preprocessor"></span><span class="preprocessor">#if HAVE_UNISTD_H</span>
<a name="l00017"></a>00017 <span class="preprocessor"></span><span class="preprocessor">#include <unistd.h></span>
<a name="l00018"></a>00018 <span class="preprocessor">#endif</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span><span class="preprocessor">#if HAVE_SYS_SOCKET_H</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor">#include <sys/socket.h></span>
<a name="l00021"></a>00021 <span class="preprocessor">#endif</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#if HAVE_SYS_UN_H</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#include <sys/un.h></span>
<a name="l00024"></a>00024 <span class="preprocessor">#endif</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span>
<a name="l00026"></a>00026 <span class="preprocessor">#if HAVE_DMALLOC_H</span>
<a name="l00027"></a>00027 <span class="preprocessor"></span><span class="preprocessor">#include <dmalloc.h></span>
<a name="l00028"></a>00028 <span class="preprocessor">#endif</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <net-snmp/types.h></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <net-snmp/output_api.h></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <net-snmp/config_api.h></span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="preprocessor">#include <net-snmp/library/snmp_transport.h></span>
<a name="l00035"></a>00035 <span class="preprocessor">#include <net-snmp/library/snmpUDPDomain.h></span>
<a name="l00036"></a>00036 <span class="preprocessor">#include <net-snmp/library/snmpUnixDomain.h></span>
<a name="l00037"></a>00037
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <span class="preprocessor">#ifndef NETSNMP_STREAM_QUEUE_LEN</span>
<a name="l00040"></a>00040 <span class="preprocessor"></span><span class="preprocessor">#define NETSNMP_STREAM_QUEUE_LEN 5</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00042"></a>00042 <span class="preprocessor"></span>
<a name="l00043"></a>00043 <span class="preprocessor">#ifndef SUN_LEN</span>
<a name="l00044"></a>00044 <span class="preprocessor"></span><span class="comment">/*</span>
<a name="l00045"></a>00045 <span class="comment"> * Evaluate to actual length of the `sockaddr_un' structure.</span>
<a name="l00046"></a>00046 <span class="comment"> */</span>
<a name="l00047"></a>00047 <span class="preprocessor">#define SUN_LEN(ptr) ((size_t) (((struct sockaddr_un *) 0)->sun_path) \</span>
<a name="l00048"></a>00048 <span class="preprocessor"> + strlen ((ptr)->sun_path))</span>
<a name="l00049"></a>00049 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00050"></a>00050 <span class="preprocessor"></span>
<a name="l00051"></a>00051 oid netsnmp_UnixDomain[] = { TRANSPORT_DOMAIN_LOCAL };
<a name="l00052"></a>00052 <span class="keyword">static</span> <a class="code" href="structnetsnmp__tdomain__s.html">netsnmp_tdomain</a> unixDomain;
<a name="l00053"></a>00053
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="comment">/*</span>
<a name="l00056"></a>00056 <span class="comment"> * This is the structure we use to hold transport-specific data.</span>
<a name="l00057"></a>00057 <span class="comment"> */</span>
<a name="l00058"></a>00058
<a name="l00059"></a><a class="code" href="struct__sockaddr__un__pair.html">00059</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="struct__sockaddr__un__pair.html">_sockaddr_un_pair</a> {
<a name="l00060"></a>00060 <span class="keywordtype">int</span> local;
<a name="l00061"></a>00061 <span class="keyword">struct </span>sockaddr_un server;
<a name="l00062"></a>00062 <span class="keyword">struct </span>sockaddr_un client;
<a name="l00063"></a>00063 } <a class="code" href="struct__sockaddr__un__pair.html">sockaddr_un_pair</a>;
<a name="l00064"></a>00064
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="comment">/*</span>
<a name="l00067"></a>00067 <span class="comment"> * Return a string representing the address in data, or else the "far end"</span>
<a name="l00068"></a>00068 <span class="comment"> * address if data is NULL.</span>
<a name="l00069"></a>00069 <span class="comment"> */</span>
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="keyword">static</span> <span class="keywordtype">char</span> *
<a name="l00072"></a>00072 netsnmp_unix_fmtaddr(<a class="code" href="structnetsnmp__transport__s.html">netsnmp_transport</a> *t, <span class="keywordtype">void</span> *data, <span class="keywordtype">int</span> len)
<a name="l00073"></a>00073 {
<a name="l00074"></a>00074 <span class="keyword">struct </span>sockaddr_un *to = NULL;
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="keywordflow">if</span> (data != NULL) {
<a name="l00077"></a>00077 to = (<span class="keyword">struct </span>sockaddr_un *) data;
<a name="l00078"></a>00078 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (t != NULL && t->data != NULL) {
<a name="l00079"></a>00079 to = &(((<a class="code" href="struct__sockaddr__un__pair.html">sockaddr_un_pair</a> *) t->data)->server);
<a name="l00080"></a>00080 len = SUN_LEN(to);
<a name="l00081"></a>00081 }
<a name="l00082"></a>00082 <span class="keywordflow">if</span> (to == NULL) {
<a name="l00083"></a>00083 <span class="comment">/*</span>
<a name="l00084"></a>00084 <span class="comment"> * "Local IPC" is the Posix.1g term for Unix domain protocols,</span>
<a name="l00085"></a>00085 <span class="comment"> * according to W. R. Stevens, ``Unix Network Programming Volume I</span>
<a name="l00086"></a>00086 <span class="comment"> * Second Edition'', p. 374.</span>
<a name="l00087"></a>00087 <span class="comment"> */</span>
<a name="l00088"></a>00088 <span class="keywordflow">return</span> strdup(<span class="stringliteral">"Local IPC: unknown"</span>);
<a name="l00089"></a>00089 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (to->sun_path[0] == 0) {
<a name="l00090"></a>00090 <span class="comment">/*</span>
<a name="l00091"></a>00091 <span class="comment"> * This is an abstract name. We could render it as hex or something</span>
<a name="l00092"></a>00092 <span class="comment"> * but let's not worry about that for now.</span>
<a name="l00093"></a>00093 <span class="comment"> */</span>
<a name="l00094"></a>00094 <span class="keywordflow">return</span> strdup(<span class="stringliteral">"Local IPC: abstract"</span>);
<a name="l00095"></a>00095 } <span class="keywordflow">else</span> {
<a name="l00096"></a>00096 <span class="keywordtype">char</span> *tmp = (<span class="keywordtype">char</span> *) malloc(16 + len);
<a name="l00097"></a>00097 <span class="keywordflow">if</span> (tmp != NULL) {
<a name="l00098"></a>00098 sprintf(tmp, <span class="stringliteral">"Local IPC: %s"</span>, to->sun_path);
<a name="l00099"></a>00099 }
<a name="l00100"></a>00100 <span class="keywordflow">return</span> tmp;
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102 }
<a name="l00103"></a>00103
<a name="l00104"></a>00104
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <span class="comment">/*</span>
<a name="l00107"></a>00107 <span class="comment"> * You can write something into opaque that will subsequently get passed back</span>
<a name="l00108"></a>00108 <span class="comment"> * to your send function if you like. For instance, you might want to</span>
<a name="l00109"></a>00109 <span class="comment"> * remember where a PDU came from, so that you can send a reply there...</span>
<a name="l00110"></a>00110 <span class="comment"> */</span>
<a name="l00111"></a>00111
<a name="l00112"></a>00112 <span class="keyword">static</span> <span class="keywordtype">int</span>
<a name="l00113"></a>00113 netsnmp_unix_recv(<a class="code" href="structnetsnmp__transport__s.html">netsnmp_transport</a> *t, <span class="keywordtype">void</span> *buf, <span class="keywordtype">int</span> size,
<a name="l00114"></a>00114 <span class="keywordtype">void</span> **opaque, <span class="keywordtype">int</span> *olength)
<a name="l00115"></a>00115 {
<a name="l00116"></a>00116 <span class="keywordtype">int</span> rc = -1;
<a name="l00117"></a>00117 socklen_t tolen = <span class="keyword">sizeof</span>(<span class="keyword">struct </span>sockaddr_un);
<a name="l00118"></a>00118 <span class="keyword">struct </span>sockaddr *to;
<a name="l00119"></a>00119
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <span class="keywordflow">if</span> (t != NULL && t->sock >= 0) {
<a name="l00122"></a>00122 to = (<span class="keyword">struct </span>sockaddr *) malloc(<span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr_un));
<a name="l00123"></a>00123 <span class="keywordflow">if</span> (to == NULL) {
<a name="l00124"></a>00124 *opaque = NULL;
<a name="l00125"></a>00125 *olength = 0;
<a name="l00126"></a>00126 <span class="keywordflow">return</span> -1;
<a name="l00127"></a>00127 } <span class="keywordflow">else</span> {
<a name="l00128"></a>00128 memset(to, 0, tolen);
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130 <span class="keywordflow">if</span>(getsockname(t->sock, to, &tolen) != 0){
<a name="l00131"></a>00131 free(to);
<a name="l00132"></a>00132 *opaque = NULL;
<a name="l00133"></a>00133 *olength = 0;
<a name="l00134"></a>00134 <span class="keywordflow">return</span> -1;
<a name="l00135"></a>00135 };
<a name="l00136"></a>00136 <span class="keywordflow">while</span> (rc < 0) {
<a name="l00137"></a>00137 rc = recv(t->sock, buf, size, 0);
<a name="l00138"></a>00138 <span class="keywordflow">if</span> (rc < 0 && errno != EINTR) {
<a name="l00139"></a>00139 DEBUGMSGTL((<span class="stringliteral">"netsnmp_unix"</span>, <span class="stringliteral">"recv fd %d err %d (\"%s\")\n"</span>,
<a name="l00140"></a>00140 t->sock, errno, strerror(errno)));
<a name="l00141"></a>00141 <span class="keywordflow">return</span> rc;
<a name="l00142"></a>00142 }
<a name="l00143"></a>00143 *opaque = (<span class="keywordtype">void</span>*)to;
<a name="l00144"></a>00144 *olength = <span class="keyword">sizeof</span>(<span class="keyword">struct </span>sockaddr_un);
<a name="l00145"></a>00145 }
<a name="l00146"></a>00146 DEBUGMSGTL((<span class="stringliteral">"netsnmp_unix"</span>, <span class="stringliteral">"recv fd %d got %d bytes\n"</span>, t->sock, rc));
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148 <span class="keywordflow">return</span> rc;
<a name="l00149"></a>00149 }
<a name="l00150"></a>00150
<a name="l00151"></a>00151
<a name="l00152"></a>00152
<a name="l00153"></a>00153 <span class="keyword">static</span> <span class="keywordtype">int</span>
<a name="l00154"></a>00154 netsnmp_unix_send(<a class="code" href="structnetsnmp__transport__s.html">netsnmp_transport</a> *t, <span class="keywordtype">void</span> *buf, <span class="keywordtype">int</span> size,
<a name="l00155"></a>00155 <span class="keywordtype">void</span> **opaque, <span class="keywordtype">int</span> *olength)
<a name="l00156"></a>00156 {
<a name="l00157"></a>00157 <span class="keywordtype">int</span> rc = -1;
<a name="l00158"></a>00158
<a name="l00159"></a>00159 <span class="keywordflow">if</span> (t != NULL && t->sock >= 0) {
<a name="l00160"></a>00160 DEBUGMSGTL((<span class="stringliteral">"netsnmp_unix"</span>, <span class="stringliteral">"send %d bytes to %p on fd %d\n"</span>,
<a name="l00161"></a>00161 size, buf, t->sock));
<a name="l00162"></a>00162 <span class="keywordflow">while</span> (rc < 0) {
<a name="l00163"></a>00163 rc = send(t->sock, buf, size, 0);
<a name="l00164"></a>00164 <span class="keywordflow">if</span> (rc < 0 && errno != EINTR) {
<a name="l00165"></a>00165 <span class="keywordflow">break</span>;
<a name="l00166"></a>00166 }
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168 }
<a name="l00169"></a>00169 <span class="keywordflow">return</span> rc;
<a name="l00170"></a>00170 }
<a name="l00171"></a>00171
<a name="l00172"></a>00172
<a name="l00173"></a>00173
<a name="l00174"></a>00174 <span class="keyword">static</span> <span class="keywordtype">int</span>
<a name="l00175"></a>00175 netsnmp_unix_close(<a class="code" href="structnetsnmp__transport__s.html">netsnmp_transport</a> *t)
<a name="l00176"></a>00176 {
<a name="l00177"></a>00177 <span class="keywordtype">int</span> rc = 0;
<a name="l00178"></a>00178 <a class="code" href="struct__sockaddr__un__pair.html">sockaddr_un_pair</a> *sup = (<a class="code" href="struct__sockaddr__un__pair.html">sockaddr_un_pair</a> *) t->data;
<a name="l00179"></a>00179
<a name="l00180"></a>00180 if (t->sock >= 0) {
<a name="l00181"></a>00181 <span class="preprocessor">#ifndef HAVE_CLOSESOCKET</span>
<a name="l00182"></a>00182 <span class="preprocessor"></span> rc = close(t->sock);
<a name="l00183"></a>00183 <span class="preprocessor">#else</span>
<a name="l00184"></a>00184 <span class="preprocessor"></span> rc = closesocket(t->sock);
<a name="l00185"></a>00185 <span class="preprocessor">#endif</span>
<a name="l00186"></a>00186 <span class="preprocessor"></span> t->sock = -1;
<a name="l00187"></a>00187 <span class="keywordflow">if</span> (sup != NULL) {
<a name="l00188"></a>00188 <span class="keywordflow">if</span> (sup->local) {
<a name="l00189"></a>00189 <span class="keywordflow">if</span> (sup->server.sun_path[0] != 0) {
<a name="l00190"></a>00190 DEBUGMSGTL((<span class="stringliteral">"netsnmp_unix"</span>, <span class="stringliteral">"close: server unlink(\"%s\")\n"</span>,
<a name="l00191"></a>00191 sup->server.sun_path));
<a name="l00192"></a>00192 unlink(sup->server.sun_path);
<a name="l00193"></a>00193 }
<a name="l00194"></a>00194 } <span class="keywordflow">else</span> {
<a name="l00195"></a>00195 <span class="keywordflow">if</span> (sup->client.sun_path[0] != 0) {
<a name="l00196"></a>00196 DEBUGMSGTL((<span class="stringliteral">"netsnmp_unix"</span>, <span class="stringliteral">"close: client unlink(\"%s\")\n"</span>,
<a name="l00197"></a>00197 sup->client.sun_path));
<a name="l00198"></a>00198 unlink(sup->client.sun_path);
<a name="l00199"></a>00199 }
<a name="l00200"></a>00200 }
<a name="l00201"></a>00201 }
<a name="l00202"></a>00202 <span class="keywordflow">return</span> rc;
<a name="l00203"></a>00203 } <span class="keywordflow">else</span> {
<a name="l00204"></a>00204 <span class="keywordflow">return</span> -1;
<a name="l00205"></a>00205 }
<a name="l00206"></a>00206 }
<a name="l00207"></a>00207
<a name="l00208"></a>00208
<a name="l00209"></a>00209
<a name="l00210"></a>00210 <span class="keyword">static</span> <span class="keywordtype">int</span>
<a name="l00211"></a>00211 netsnmp_unix_accept(<a class="code" href="structnetsnmp__transport__s.html">netsnmp_transport</a> *t)
<a name="l00212"></a>00212 {
<a name="l00213"></a>00213 <span class="keyword">struct </span>sockaddr *farend = NULL;
<a name="l00214"></a>00214 <span class="keywordtype">int</span> newsock = -1;
<a name="l00215"></a>00215 socklen_t farendlen = <span class="keyword">sizeof</span>(<span class="keyword">struct </span>sockaddr_un);
<a name="l00216"></a>00216
<a name="l00217"></a>00217 farend = (<span class="keyword">struct </span>sockaddr *) malloc(farendlen);
<a name="l00218"></a>00218
<a name="l00219"></a>00219 <span class="keywordflow">if</span> (farend == NULL) {
<a name="l00220"></a>00220 <span class="comment">/*</span>
<a name="l00221"></a>00221 <span class="comment"> * Indicate that the acceptance of this socket failed.</span>
<a name="l00222"></a>00222 <span class="comment"> */</span>
<a name="l00223"></a>00223 DEBUGMSGTL((<span class="stringliteral">"netsnmp_unix"</span>, <span class="stringliteral">"accept: malloc failed\n"</span>));
<a name="l00224"></a>00224 <span class="keywordflow">return</span> -1;
<a name="l00225"></a>00225 }
<a name="l00226"></a>00226 memset(farend, 0, farendlen);
<a name="l00227"></a>00227
<a name="l00228"></a>00228 <span class="keywordflow">if</span> (t != NULL && t->sock >= 0) {
<a name="l00229"></a>00229 newsock = accept(t->sock, farend, &farendlen);
<a name="l00230"></a>00230
<a name="l00231"></a>00231 <span class="keywordflow">if</span> (newsock < 0) {
<a name="l00232"></a>00232 DEBUGMSGTL((<span class="stringliteral">"netsnmp_unix"</span>,<span class="stringliteral">"accept failed rc %d errno %d \"%s\"\n"</span>,
<a name="l00233"></a>00233 newsock, errno, strerror(errno)));
<a name="l00234"></a>00234 free(farend);
<a name="l00235"></a>00235 <span class="keywordflow">return</span> newsock;
<a name="l00236"></a>00236 }
<a name="l00237"></a>00237
<a name="l00238"></a>00238 <span class="keywordflow">if</span> (t->data != NULL) {
<a name="l00239"></a>00239 free(t->data);
<a name="l00240"></a>00240 }
<a name="l00241"></a>00241
<a name="l00242"></a>00242 DEBUGMSGTL((<span class="stringliteral">"netsnmp_unix"</span>, <span class="stringliteral">"accept succeeded (farend %p len %d)\n"</span>,
<a name="l00243"></a>00243 farend, farendlen));
<a name="l00244"></a>00244 t->data = farend;
<a name="l00245"></a>00245 t->data_length = <span class="keyword">sizeof</span>(<span class="keyword">struct </span>sockaddr_un);
<a name="l00246"></a>00246 netsnmp_sock_buffer_set(newsock, SO_SNDBUF, 1, 0);
<a name="l00247"></a>00247 netsnmp_sock_buffer_set(newsock, SO_RCVBUF, 1, 0);
<a name="l00248"></a>00248 <span class="keywordflow">return</span> newsock;
<a name="l00249"></a>00249 } <span class="keywordflow">else</span> {
<a name="l00250"></a>00250 free(farend);
<a name="l00251"></a>00251 <span class="keywordflow">return</span> -1;
<a name="l00252"></a>00252 }
<a name="l00253"></a>00253 }
<a name="l00254"></a>00254
<a name="l00255"></a>00255
<a name="l00256"></a>00256
<a name="l00257"></a>00257 <span class="comment">/*</span>
<a name="l00258"></a>00258 <span class="comment"> * Open a Unix-domain transport for SNMP. Local is TRUE if addr is the local</span>
<a name="l00259"></a>00259 <span class="comment"> * address to bind to (i.e. this is a server-type session); otherwise addr is</span>
<a name="l00260"></a>00260 <span class="comment"> * the remote address to send things to (and we make up a temporary name for</span>
<a name="l00261"></a>00261 <span class="comment"> * the local end of the connection).</span>
<a name="l00262"></a>00262 <span class="comment"> */</span>
<a name="l00263"></a>00263
<a name="l00264"></a>00264 <a class="code" href="structnetsnmp__transport__s.html">netsnmp_transport</a> *
<a name="l00265"></a>00265 netsnmp_unix_transport(<span class="keyword">struct</span> sockaddr_un *addr, <span class="keywordtype">int</span> local)
<a name="l00266"></a>00266 {
<a name="l00267"></a>00267 <a class="code" href="structnetsnmp__transport__s.html">netsnmp_transport</a> *t = NULL;
<a name="l00268"></a>00268 <a class="code" href="struct__sockaddr__un__pair.html">sockaddr_un_pair</a> *sup = NULL;
<a name="l00269"></a>00269 <span class="keywordtype">int</span> rc = 0;
<a name="l00270"></a>00270 <span class="keywordtype">char</span> *<span class="keywordtype">string</span> = NULL;
<a name="l00271"></a>00271
<a name="l00272"></a>00272 <span class="keywordflow">if</span> (addr == NULL || addr->sun_family != AF_UNIX) {
<a name="l00273"></a>00273 <span class="keywordflow">return</span> NULL;
<a name="l00274"></a>00274 }
<a name="l00275"></a>00275
<a name="l00276"></a>00276 t = (<a class="code" href="structnetsnmp__transport__s.html">netsnmp_transport</a> *) malloc(<span class="keyword">sizeof</span>(<a class="code" href="structnetsnmp__transport__s.html">netsnmp_transport</a>));
<a name="l00277"></a>00277 <span class="keywordflow">if</span> (t == NULL) {
<a name="l00278"></a>00278 <span class="keywordflow">return</span> NULL;
<a name="l00279"></a>00279 }
<a name="l00280"></a>00280
<a name="l00281"></a>00281 <span class="keywordtype">string</span> = netsnmp_unix_fmtaddr(NULL, (<span class="keywordtype">void</span> *)addr,
<a name="l00282"></a>00282 <span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr_un));
<a name="l00283"></a>00283 DEBUGMSGTL((<span class="stringliteral">"netsnmp_unix"</span>, <span class="stringliteral">"open %s %s\n"</span>, local ? <span class="stringliteral">"local"</span> : <span class="stringliteral">"remote"</span>,
<a name="l00284"></a>00284 <span class="keywordtype">string</span>));
<a name="l00285"></a>00285 free(<span class="keywordtype">string</span>);
<a name="l00286"></a>00286
<a name="l00287"></a>00287 memset(t, 0, <span class="keyword">sizeof</span>(<a class="code" href="structnetsnmp__transport__s.html">netsnmp_transport</a>));
<a name="l00288"></a>00288
<a name="l00289"></a>00289 t->domain = netsnmp_UnixDomain;
<a name="l00290"></a>00290 t->domain_length =
<a name="l00291"></a>00291 <span class="keyword">sizeof</span>(netsnmp_UnixDomain) / <span class="keyword">sizeof</span>(netsnmp_UnixDomain[0]);
<a name="l00292"></a>00292
<a name="l00293"></a>00293 t->data = malloc(<span class="keyword">sizeof</span>(<a class="code" href="struct__sockaddr__un__pair.html">sockaddr_un_pair</a>));
<a name="l00294"></a>00294 <span class="keywordflow">if</span> (t->data == NULL) {
<a name="l00295"></a>00295 netsnmp_transport_free(t);
<a name="l00296"></a>00296 <span class="keywordflow">return</span> NULL;
<a name="l00297"></a>00297 }
<a name="l00298"></a>00298 memset(t->data, 0, <span class="keyword">sizeof</span>(<a class="code" href="struct__sockaddr__un__pair.html">sockaddr_un_pair</a>));
<a name="l00299"></a>00299 t->data_length = <span class="keyword">sizeof</span>(<a class="code" href="struct__sockaddr__un__pair.html">sockaddr_un_pair</a>);
<a name="l00300"></a>00300 sup = (<a class="code" href="struct__sockaddr__un__pair.html">sockaddr_un_pair</a> *) t->data;
<a name="l00301"></a>00301
<a name="l00302"></a>00302 t->sock = socket(PF_UNIX, SOCK_STREAM, 0);
<a name="l00303"></a>00303 <span class="keywordflow">if</span> (t->sock < 0) {
<a name="l00304"></a>00304 netsnmp_transport_free(t);
<a name="l00305"></a>00305 <span class="keywordflow">return</span> NULL;
<a name="l00306"></a>00306 }
<a name="l00307"></a>00307
<a name="l00308"></a>00308 t->flags = NETSNMP_TRANSPORT_FLAG_STREAM;
<a name="l00309"></a>00309
<a name="l00310"></a>00310 <span class="keywordflow">if</span> (local) {
<a name="l00311"></a>00311 t->local = (u_char *)malloc(strlen(addr->sun_path));
<a name="l00312"></a>00312 <span class="keywordflow">if</span> (t->local == NULL) {
<a name="l00313"></a>00313 netsnmp_transport_free(t);
<a name="l00314"></a>00314 <span class="keywordflow">return</span> NULL;
<a name="l00315"></a>00315 }
<a name="l00316"></a>00316 memcpy(t->local, addr->sun_path, strlen(addr->sun_path));
<a name="l00317"></a>00317 t->local_length = strlen(addr->sun_path);
<a name="l00318"></a>00318
<a name="l00319"></a>00319 <span class="comment">/*</span>
<a name="l00320"></a>00320 <span class="comment"> * This session is inteneded as a server, so we must bind to the given</span>
<a name="l00321"></a>00321 <span class="comment"> * path (unlinking it first, to avoid errors).</span>
<a name="l00322"></a>00322 <span class="comment"> */</span>
<a name="l00323"></a>00323
<a name="l00324"></a>00324 t->flags |= NETSNMP_TRANSPORT_FLAG_LISTEN;
<a name="l00325"></a>00325
<a name="l00326"></a>00326 unlink(addr->sun_path);
<a name="l00327"></a>00327 rc = bind(t->sock, (<span class="keyword">struct</span> sockaddr *) addr, SUN_LEN(addr));
<a name="l00328"></a>00328 <span class="keywordflow">if</span> (rc != 0) {
<a name="l00329"></a>00329 DEBUGMSGTL((<span class="stringliteral">"netsnmp_unix_transport"</span>,
<a name="l00330"></a>00330 <span class="stringliteral">"couldn't bind \"%s\", errno %d (%s)\n"</span>,
<a name="l00331"></a>00331 addr->sun_path, errno, strerror(errno)));
<a name="l00332"></a>00332 netsnmp_unix_close(t);
<a name="l00333"></a>00333 netsnmp_transport_free(t);
<a name="l00334"></a>00334 <span class="keywordflow">return</span> NULL;
<a name="l00335"></a>00335 }
<a name="l00336"></a>00336
<a name="l00337"></a>00337 <span class="comment">/*</span>
<a name="l00338"></a>00338 <span class="comment"> * Save the address in the transport-specific data pointer for later</span>
<a name="l00339"></a>00339 <span class="comment"> * use by netsnmp_unix_close.</span>
<a name="l00340"></a>00340 <span class="comment"> */</span>
<a name="l00341"></a>00341
<a name="l00342"></a>00342 sup->server.sun_family = AF_UNIX;
<a name="l00343"></a>00343 strcpy(sup->server.sun_path, addr->sun_path);
<a name="l00344"></a>00344 sup->local = 1;
<a name="l00345"></a>00345
<a name="l00346"></a>00346 <span class="comment">/*</span>
<a name="l00347"></a>00347 <span class="comment"> * Now sit here and listen for connections to arrive.</span>
<a name="l00348"></a>00348 <span class="comment"> */</span>
<a name="l00349"></a>00349
<a name="l00350"></a>00350 rc = listen(t->sock, NETSNMP_STREAM_QUEUE_LEN);
<a name="l00351"></a>00351 <span class="keywordflow">if</span> (rc != 0) {
<a name="l00352"></a>00352 DEBUGMSGTL((<span class="stringliteral">"netsnmp_unix_transport"</span>,
<a name="l00353"></a>00353 <span class="stringliteral">"couldn't listen to \"%s\", errno %d (%s)\n"</span>,
<a name="l00354"></a>00354 addr->sun_path, errno, strerror(errno)));
<a name="l00355"></a>00355 netsnmp_unix_close(t);
<a name="l00356"></a>00356 netsnmp_transport_free(t);
<a name="l00357"></a>00357 <span class="keywordflow">return</span> NULL;
<a name="l00358"></a>00358 }
<a name="l00359"></a>00359
<a name="l00360"></a>00360 } <span class="keywordflow">else</span> {
<a name="l00361"></a>00361 t->remote = (u_char *)malloc(strlen(addr->sun_path));
<a name="l00362"></a>00362 <span class="keywordflow">if</span> (t->remote == NULL) {
<a name="l00363"></a>00363 netsnmp_transport_free(t);
<a name="l00364"></a>00364 <span class="keywordflow">return</span> NULL;
<a name="l00365"></a>00365 }
<a name="l00366"></a>00366 memcpy(t->remote, addr->sun_path, strlen(addr->sun_path));
<a name="l00367"></a>00367 t->remote_length = strlen(addr->sun_path);
<a name="l00368"></a>00368
<a name="l00369"></a>00369 rc = connect(t->sock, (<span class="keyword">struct</span> sockaddr *) addr,
<a name="l00370"></a>00370 <span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr_un));
<a name="l00371"></a>00371 <span class="keywordflow">if</span> (rc != 0) {
<a name="l00372"></a>00372 DEBUGMSGTL((<span class="stringliteral">"netsnmp_unix_transport"</span>,
<a name="l00373"></a>00373 <span class="stringliteral">"couldn't connect to \"%s\", errno %d (%s)\n"</span>,
<a name="l00374"></a>00374 addr->sun_path, errno, strerror(errno)));
<a name="l00375"></a>00375 netsnmp_unix_close(t);
<a name="l00376"></a>00376 netsnmp_transport_free(t);
<a name="l00377"></a>00377 <span class="keywordflow">return</span> NULL;
<a name="l00378"></a>00378 }
<a name="l00379"></a>00379
<a name="l00380"></a>00380 <span class="comment">/*</span>
<a name="l00381"></a>00381 <span class="comment"> * Save the remote address in the transport-specific data pointer for</span>
<a name="l00382"></a>00382 <span class="comment"> * later use by netsnmp_unix_send.</span>
<a name="l00383"></a>00383 <span class="comment"> */</span>
<a name="l00384"></a>00384
<a name="l00385"></a>00385 sup->server.sun_family = AF_UNIX;
<a name="l00386"></a>00386 strcpy(sup->server.sun_path, addr->sun_path);
<a name="l00387"></a>00387 sup->local = 0;
<a name="l00388"></a>00388 netsnmp_sock_buffer_set(t->sock, SO_SNDBUF, local, 0);
<a name="l00389"></a>00389 netsnmp_sock_buffer_set(t->sock, SO_RCVBUF, local, 0);
<a name="l00390"></a>00390 }
<a name="l00391"></a>00391
<a name="l00392"></a>00392 <span class="comment">/*</span>
<a name="l00393"></a>00393 <span class="comment"> * Message size is not limited by this transport (hence msgMaxSize</span>
<a name="l00394"></a>00394 <span class="comment"> * is equal to the maximum legal size of an SNMP message).</span>
<a name="l00395"></a>00395 <span class="comment"> */</span>
<a name="l00396"></a>00396
<a name="l00397"></a>00397 t->msgMaxSize = 0x7fffffff;
<a name="l00398"></a>00398 t->f_recv = netsnmp_unix_recv;
<a name="l00399"></a>00399 t->f_send = netsnmp_unix_send;
<a name="l00400"></a>00400 t->f_close = netsnmp_unix_close;
<a name="l00401"></a>00401 t->f_accept = netsnmp_unix_accept;
<a name="l00402"></a>00402 t->f_fmtaddr = netsnmp_unix_fmtaddr;
<a name="l00403"></a>00403
<a name="l00404"></a>00404 <span class="keywordflow">return</span> t;
<a name="l00405"></a>00405 }
<a name="l00406"></a>00406
<a name="l00407"></a>00407 <a class="code" href="structnetsnmp__transport__s.html">netsnmp_transport</a> *
<a name="l00408"></a>00408 netsnmp_unix_create_tstring(<span class="keyword">const</span> <span class="keywordtype">char</span> *<span class="keywordtype">string</span>, <span class="keywordtype">int</span> local,
<a name="l00409"></a>00409 <span class="keyword">const</span> <span class="keywordtype">char</span> *default_target)
<a name="l00410"></a>00410 {
<a name="l00411"></a>00411 <span class="keyword">struct </span>sockaddr_un addr;
<a name="l00412"></a>00412
<a name="l00413"></a>00413 <span class="keywordflow">if</span> (<span class="keywordtype">string</span> && *<span class="keywordtype">string</span> != <span class="charliteral">'\0'</span>) {
<a name="l00414"></a>00414 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (default_target && *default_target != <span class="charliteral">'\0'</span>) {
<a name="l00415"></a>00415 <span class="keywordtype">string</span> = default_target;
<a name="l00416"></a>00416 }
<a name="l00417"></a>00417
<a name="l00418"></a>00418 <span class="keywordflow">if</span> ((<span class="keywordtype">string</span> != NULL && *<span class="keywordtype">string</span> != <span class="charliteral">'\0'</span>) &&
<a name="l00419"></a>00419 (strlen(<span class="keywordtype">string</span>) < <span class="keyword">sizeof</span>(addr.sun_path))) {
<a name="l00420"></a>00420 addr.sun_family = AF_UNIX;
<a name="l00421"></a>00421 memset(addr.sun_path, 0, <span class="keyword">sizeof</span>(addr.sun_path));
<a name="l00422"></a>00422 strncpy(addr.sun_path, <span class="keywordtype">string</span>, <span class="keyword">sizeof</span>(addr.sun_path) - 1);
<a name="l00423"></a>00423 <span class="keywordflow">return</span> netsnmp_unix_transport(&addr, local);
<a name="l00424"></a>00424 } <span class="keywordflow">else</span> {
<a name="l00425"></a>00425 <span class="keywordflow">if</span> (<span class="keywordtype">string</span> != NULL && *<span class="keywordtype">string</span> != <span class="charliteral">'\0'</span>) {
<a name="l00426"></a>00426 <a class="code" href="group__snmp__logging.html#ga9ba905368ea1c551b969af44b13e37c2" title="This snmp logging function allows variable argument list given the specified format and priority...">snmp_log</a>(LOG_ERR, <span class="stringliteral">"Path too long for Unix domain transport\n"</span>);
<a name="l00427"></a>00427 }
<a name="l00428"></a>00428 <span class="keywordflow">return</span> NULL;
<a name="l00429"></a>00429 }
<a name="l00430"></a>00430 }
<a name="l00431"></a>00431
<a name="l00432"></a>00432
<a name="l00433"></a>00433
<a name="l00434"></a>00434 <a class="code" href="structnetsnmp__transport__s.html">netsnmp_transport</a> *
<a name="l00435"></a>00435 netsnmp_unix_create_ostring(<span class="keyword">const</span> u_char * o, <span class="keywordtype">size_t</span> o_len, <span class="keywordtype">int</span> local)
<a name="l00436"></a>00436 {
<a name="l00437"></a>00437 <span class="keyword">struct </span>sockaddr_un addr;
<a name="l00438"></a>00438
<a name="l00439"></a>00439 <span class="keywordflow">if</span> (o_len > 0 && o_len < (<span class="keyword">sizeof</span>(addr.sun_path) - 1)) {
<a name="l00440"></a>00440 addr.sun_family = AF_UNIX;
<a name="l00441"></a>00441 memset(addr.sun_path, 0, <span class="keyword">sizeof</span>(addr.sun_path));
<a name="l00442"></a>00442 strncpy(addr.sun_path, (<span class="keyword">const</span> <span class="keywordtype">char</span> *)o, o_len);
<a name="l00443"></a>00443 <span class="keywordflow">return</span> netsnmp_unix_transport(&addr, local);
<a name="l00444"></a>00444 } <span class="keywordflow">else</span> {
<a name="l00445"></a>00445 <span class="keywordflow">if</span> (o_len > 0) {
<a name="l00446"></a>00446 <a class="code" href="group__snmp__logging.html#ga9ba905368ea1c551b969af44b13e37c2" title="This snmp logging function allows variable argument list given the specified format and priority...">snmp_log</a>(LOG_ERR, <span class="stringliteral">"Path too long for Unix domain transport\n"</span>);
<a name="l00447"></a>00447 }
<a name="l00448"></a>00448 }
<a name="l00449"></a>00449 <span class="keywordflow">return</span> NULL;
<a name="l00450"></a>00450 }
<a name="l00451"></a>00451
<a name="l00452"></a>00452
<a name="l00453"></a>00453
<a name="l00454"></a>00454 <span class="keywordtype">void</span>
<a name="l00455"></a>00455 netsnmp_unix_ctor(<span class="keywordtype">void</span>)
<a name="l00456"></a>00456 {
<a name="l00457"></a>00457 unixDomain.name = netsnmp_UnixDomain;
<a name="l00458"></a>00458 unixDomain.name_length = <span class="keyword">sizeof</span>(netsnmp_UnixDomain) / <span class="keyword">sizeof</span>(oid);
<a name="l00459"></a>00459 unixDomain.prefix = (<span class="keyword">const</span> <span class="keywordtype">char</span>**)calloc(2, <span class="keyword">sizeof</span>(<span class="keywordtype">char</span> *));
<a name="l00460"></a>00460 unixDomain.prefix[0] = <span class="stringliteral">"unix"</span>;
<a name="l00461"></a>00461
<a name="l00462"></a>00462 unixDomain.f_create_from_tstring_new = netsnmp_unix_create_tstring;
<a name="l00463"></a>00463 unixDomain.f_create_from_ostring = netsnmp_unix_create_ostring;
<a name="l00464"></a>00464
<a name="l00465"></a>00465 netsnmp_tdomain_register(&unixDomain);
<a name="l00466"></a>00466 }
<a name="l00467"></a>00467
<a name="l00468"></a>00468 <span class="preprocessor">#if !defined(NETSNMP_DISABLE_SNMPV1) || !defined(NETSNMP_DISABLE_SNMPV2C)</span>
<a name="l00469"></a>00469 <span class="preprocessor"></span><span class="comment">/* support for SNMPv1 and SNMPv2c on unix domain*/</span>
<a name="l00470"></a>00470
<a name="l00471"></a>00471 <span class="preprocessor">#define EXAMPLE_COMMUNITY "COMMUNITY"</span>
<a name="l00472"></a><a class="code" href="struct__com2SecUnixEntry.html">00472</a> <span class="preprocessor"></span><span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="struct__com2SecUnixEntry.html">_com2SecUnixEntry</a> {
<a name="l00473"></a>00473 <span class="keywordtype">char</span> community[COMMUNITY_MAX_LEN];
<a name="l00474"></a>00474 <span class="keywordtype">char</span> sockpath[<span class="keyword">sizeof</span>(<span class="keyword">struct </span>sockaddr_un)];
<a name="l00475"></a>00475 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> pathlen;
<a name="l00476"></a>00476 <span class="keywordtype">char</span> secName[VACMSTRINGLEN];
<a name="l00477"></a>00477 <span class="keywordtype">char</span> contextName[VACMSTRINGLEN];
<a name="l00478"></a>00478 <span class="keyword">struct </span><a class="code" href="struct__com2SecUnixEntry.html">_com2SecUnixEntry</a> *next;
<a name="l00479"></a>00479 } <a class="code" href="struct__com2SecUnixEntry.html">com2SecUnixEntry</a>;
<a name="l00480"></a>00480
<a name="l00481"></a>00481 <a class="code" href="struct__com2SecUnixEntry.html">com2SecUnixEntry</a> *com2SecUnixList = NULL, *com2SecUnixListLast = NULL;
<a name="l00482"></a>00482
<a name="l00483"></a>00483
<a name="l00484"></a>00484 <span class="keywordtype">int</span>
<a name="l00485"></a>00485 netsnmp_unix_getSecName(<span class="keywordtype">void</span> *opaque, <span class="keywordtype">int</span> olength,
<a name="l00486"></a>00486 <span class="keyword">const</span> <span class="keywordtype">char</span> *community,
<a name="l00487"></a>00487 <span class="keywordtype">size_t</span> community_len,
<a name="l00488"></a>00488 <span class="keywordtype">char</span> **secName, <span class="keywordtype">char</span> **contextName)
<a name="l00489"></a>00489 {
<a name="l00490"></a>00490 <a class="code" href="struct__com2SecUnixEntry.html">com2SecUnixEntry</a> *c;
<a name="l00491"></a>00491 <span class="keyword">struct </span>sockaddr_un *to = (<span class="keyword">struct </span>sockaddr_un *) opaque;
<a name="l00492"></a>00492 <span class="keywordtype">char</span> *ztcommunity = NULL;
<a name="l00493"></a>00493
<a name="l00494"></a>00494 <span class="keywordflow">if</span> (secName != NULL) {
<a name="l00495"></a>00495 *secName = NULL; <span class="comment">/* Haven't found anything yet */</span>
<a name="l00496"></a>00496 }
<a name="l00497"></a>00497
<a name="l00498"></a>00498 <span class="comment">/*</span>
<a name="l00499"></a>00499 <span class="comment"> * Special case if there are NO entries (as opposed to no MATCHING</span>
<a name="l00500"></a>00500 <span class="comment"> * entries).</span>
<a name="l00501"></a>00501 <span class="comment"> */</span>
<a name="l00502"></a>00502
<a name="l00503"></a>00503 <span class="keywordflow">if</span> (com2SecUnixList == NULL) {
<a name="l00504"></a>00504 DEBUGMSGTL((<span class="stringliteral">"netsnmp_unix_getSecName"</span>, <span class="stringliteral">"no com2sec entries\n"</span>));
<a name="l00505"></a>00505 <span class="keywordflow">return</span> 0;
<a name="l00506"></a>00506 }
<a name="l00507"></a>00507
<a name="l00508"></a>00508 <span class="comment">/*</span>
<a name="l00509"></a>00509 <span class="comment"> * If there is no unix socket path, then there can be no valid security</span>
<a name="l00510"></a>00510 <span class="comment"> * name.</span>
<a name="l00511"></a>00511 <span class="comment"> */</span>
<a name="l00512"></a>00512
<a name="l00513"></a>00513 <span class="keywordflow">if</span> (opaque == NULL || olength != <span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr_un) ||
<a name="l00514"></a>00514 to->sun_family != AF_UNIX) {
<a name="l00515"></a>00515 DEBUGMSGTL((<span class="stringliteral">"netsnmp_unix_getSecName"</span>,
<a name="l00516"></a>00516 <span class="stringliteral">"no unix destine address in PDU?\n"</span>));
<a name="l00517"></a>00517 <span class="keywordflow">return</span> 1;
<a name="l00518"></a>00518 }
<a name="l00519"></a>00519
<a name="l00520"></a>00520 DEBUGIF(<span class="stringliteral">"netsnmp_unix_getSecName"</span>) {
<a name="l00521"></a>00521 ztcommunity = (<span class="keywordtype">char</span> *)malloc(community_len + 1);
<a name="l00522"></a>00522 <span class="keywordflow">if</span> (ztcommunity != NULL) {
<a name="l00523"></a>00523 memcpy(ztcommunity, community, community_len);
<a name="l00524"></a>00524 ztcommunity[community_len] = <span class="charliteral">'\0'</span>;
<a name="l00525"></a>00525 }
<a name="l00526"></a>00526
<a name="l00527"></a>00527 DEBUGMSGTL((<span class="stringliteral">"netsnmp_unix_getSecName"</span>, <span class="stringliteral">"resolve <\"%s\">\n"</span>,
<a name="l00528"></a>00528 ztcommunity ? ztcommunity : <span class="stringliteral">"<malloc error>"</span>));
<a name="l00529"></a>00529 }
<a name="l00530"></a>00530
<a name="l00531"></a>00531 <span class="keywordflow">for</span> (c = com2SecUnixList; c != NULL; c = c->next) {
<a name="l00532"></a>00532 DEBUGMSGTL((<span class="stringliteral">"netsnmp_unix_getSecName"</span>,<span class="stringliteral">"compare <\"%s\",to socket %s>"</span>,
<a name="l00533"></a>00533 c->community, c->sockpath ));
<a name="l00534"></a>00534 <span class="keywordflow">if</span> ((community_len == strlen(c->community)) &&
<a name="l00535"></a>00535 (memcmp(community, c->community, community_len) == 0) &&
<a name="l00536"></a>00536 <span class="comment">/* compare sockpath, if pathlen == 0, always match */</span>
<a name="l00537"></a>00537 (strlen(to->sun_path) == c->pathlen || c->pathlen == 0) &&
<a name="l00538"></a>00538 (memcmp(to->sun_path, c->sockpath, c->pathlen) == 0)
<a name="l00539"></a>00539 ) {
<a name="l00540"></a>00540 DEBUGMSG((<span class="stringliteral">"netsnmp_unix_getSecName"</span>, <span class="stringliteral">"... SUCCESS\n"</span>));
<a name="l00541"></a>00541 <span class="keywordflow">if</span> (secName != NULL) {
<a name="l00542"></a>00542 *secName = c->secName;
<a name="l00543"></a>00543 *contextName = c->contextName;
<a name="l00544"></a>00544 }
<a name="l00545"></a>00545 <span class="keywordflow">break</span>;
<a name="l00546"></a>00546 }
<a name="l00547"></a>00547 DEBUGMSG((<span class="stringliteral">"netsnmp_unix_getSecName"</span>, <span class="stringliteral">"... nope\n"</span>));
<a name="l00548"></a>00548 }
<a name="l00549"></a>00549 <span class="keywordflow">if</span> (ztcommunity != NULL) {
<a name="l00550"></a>00550 free(ztcommunity);
<a name="l00551"></a>00551 }
<a name="l00552"></a>00552 <span class="keywordflow">return</span> 1;
<a name="l00553"></a>00553 }
<a name="l00554"></a>00554
<a name="l00555"></a>00555 <span class="keywordtype">void</span>
<a name="l00556"></a>00556 netsnmp_unix_parse_security(<span class="keyword">const</span> <span class="keywordtype">char</span> *token, <span class="keywordtype">char</span> *param)
<a name="l00557"></a>00557 {
<a name="l00558"></a>00558 <span class="keywordtype">char</span> secName[VACMSTRINGLEN + 1], community[COMMUNITY_MAX_LEN + 1];
<a name="l00559"></a>00559 <span class="keywordtype">char</span> contextName[VACMSTRINGLEN + 1];
<a name="l00560"></a>00560 <span class="keywordtype">char</span> sockpath[<span class="keyword">sizeof</span>(<span class="keyword">struct </span>sockaddr_un) + 1];
<a name="l00561"></a>00561 <a class="code" href="struct__com2SecUnixEntry.html">com2SecUnixEntry</a> *e = NULL;
<a name="l00562"></a>00562
<a name="l00563"></a>00563
<a name="l00564"></a>00564 param = copy_nword(param, secName, VACMSTRINGLEN);
<a name="l00565"></a>00565 <span class="keywordflow">if</span> (strcmp(secName, <span class="stringliteral">"-Cn"</span>) == 0) {
<a name="l00566"></a>00566 <span class="keywordflow">if</span> (!secName) {
<a name="l00567"></a>00567 config_perror(<span class="stringliteral">"missing CONTEXT_NAME parameter"</span>);
<a name="l00568"></a>00568 <span class="keywordflow">return</span>;
<a name="l00569"></a>00569 }
<a name="l00570"></a>00570 param = copy_nword( param, contextName, <span class="keyword">sizeof</span>(contextName));
<a name="l00571"></a>00571 param = copy_nword( param, secName, <span class="keyword">sizeof</span>(secName));
<a name="l00572"></a>00572 } <span class="keywordflow">else</span> {
<a name="l00573"></a>00573 contextName[0] = <span class="charliteral">'\0'</span>;
<a name="l00574"></a>00574 }
<a name="l00575"></a>00575 <span class="keywordflow">if</span> (secName[0] == <span class="charliteral">'\0'</span>) {
<a name="l00576"></a>00576 config_perror(<span class="stringliteral">"missing NAME parameter"</span>);
<a name="l00577"></a>00577 <span class="keywordflow">return</span>;
<a name="l00578"></a>00578 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strlen(secName) > (VACMSTRINGLEN - 1)) {
<a name="l00579"></a>00579 config_perror(<span class="stringliteral">"security name too long"</span>);
<a name="l00580"></a>00580 <span class="keywordflow">return</span>;
<a name="l00581"></a>00581 }
<a name="l00582"></a>00582
<a name="l00583"></a>00583 param = copy_nword(param, sockpath, <span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr_un) - 1);
<a name="l00584"></a>00584 <span class="keywordflow">if</span> (sockpath[0] == <span class="charliteral">'\0'</span>) {
<a name="l00585"></a>00585 config_perror(<span class="stringliteral">"missing SOCKPATH parameter"</span>);
<a name="l00586"></a>00586 <span class="keywordflow">return</span>;
<a name="l00587"></a>00587 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strlen(sockpath) > (<span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr_un) - 1)) {
<a name="l00588"></a>00588 config_perror(<span class="stringliteral">"sockpath too long"</span>);
<a name="l00589"></a>00589 <span class="keywordflow">return</span>;
<a name="l00590"></a>00590 }
<a name="l00591"></a>00591 <span class="comment">/* if sockpath == "default", set pathlen=0*/</span>
<a name="l00592"></a>00592 <span class="keywordflow">if</span>(strcmp(sockpath, <span class="stringliteral">"default"</span>) == 0){
<a name="l00593"></a>00593 sockpath[0] = 0;
<a name="l00594"></a>00594 }
<a name="l00595"></a>00595
<a name="l00596"></a>00596 param = copy_nword(param, community, COMMUNITY_MAX_LEN);
<a name="l00597"></a>00597 <span class="keywordflow">if</span> (community[0] == <span class="charliteral">'\0'</span>) {
<a name="l00598"></a>00598 config_perror(<span class="stringliteral">"missing COMMUNITY parameter\n"</span>);
<a name="l00599"></a>00599 <span class="keywordflow">return</span>;
<a name="l00600"></a>00600 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strncmp
<a name="l00601"></a>00601 (community, EXAMPLE_COMMUNITY, strlen(EXAMPLE_COMMUNITY))
<a name="l00602"></a>00602 == 0) {
<a name="l00603"></a>00603 config_perror(<span class="stringliteral">"example config COMMUNITY not properly configured"</span>);
<a name="l00604"></a>00604 <span class="keywordflow">return</span>;
<a name="l00605"></a>00605 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strlen(community) > (COMMUNITY_MAX_LEN - 1)) {
<a name="l00606"></a>00606 config_perror(<span class="stringliteral">"community name too long"</span>);
<a name="l00607"></a>00607 <span class="keywordflow">return</span>;
<a name="l00608"></a>00608 }
<a name="l00609"></a>00609
<a name="l00610"></a>00610 e = (<a class="code" href="struct__com2SecUnixEntry.html">com2SecUnixEntry</a> *) malloc(<span class="keyword">sizeof</span>(<a class="code" href="struct__com2SecUnixEntry.html">com2SecUnixEntry</a>));
<a name="l00611"></a>00611 <span class="keywordflow">if</span> (e == NULL) {
<a name="l00612"></a>00612 config_perror(<span class="stringliteral">"memory error"</span>);
<a name="l00613"></a>00613 <span class="keywordflow">return</span>;
<a name="l00614"></a>00614 }
<a name="l00615"></a>00615
<a name="l00616"></a>00616 DEBUGMSGTL((<span class="stringliteral">"netsnmp_unix_parse_security"</span>,
<a name="l00617"></a>00617 <span class="stringliteral">"<\"%s\"> => \"%s\"\n"</span>, community, secName));
<a name="l00618"></a>00618
<a name="l00619"></a>00619 strcpy(e->secName, secName);
<a name="l00620"></a>00620 strcpy(e->contextName, contextName);
<a name="l00621"></a>00621 strcpy(e->community, community);
<a name="l00622"></a>00622 strcpy(e->sockpath, sockpath);
<a name="l00623"></a>00623 e->pathlen = strlen(sockpath);
<a name="l00624"></a>00624 e->next = NULL;
<a name="l00625"></a>00625
<a name="l00626"></a>00626 <span class="keywordflow">if</span> (com2SecUnixListLast != NULL) {
<a name="l00627"></a>00627 com2SecUnixListLast->next = e;
<a name="l00628"></a>00628 com2SecUnixListLast = e;
<a name="l00629"></a>00629 } <span class="keywordflow">else</span> {
<a name="l00630"></a>00630 com2SecUnixListLast = com2SecUnixList = e;
<a name="l00631"></a>00631 }
<a name="l00632"></a>00632 }
<a name="l00633"></a>00633
<a name="l00634"></a>00634 <span class="keywordtype">void</span>
<a name="l00635"></a>00635 netsnmp_unix_com2SecList_free(<span class="keywordtype">void</span>)
<a name="l00636"></a>00636 {
<a name="l00637"></a>00637 <a class="code" href="struct__com2SecUnixEntry.html">com2SecUnixEntry</a> *e = com2SecUnixList;
<a name="l00638"></a>00638 <span class="keywordflow">while</span> (e != NULL) {
<a name="l00639"></a>00639 <a class="code" href="struct__com2SecUnixEntry.html">com2SecUnixEntry</a> *tmp = e;
<a name="l00640"></a>00640 e = e->next;
<a name="l00641"></a>00641 free(tmp);
<a name="l00642"></a>00642 }
<a name="l00643"></a>00643 com2SecUnixList = com2SecUnixListLast = NULL;
<a name="l00644"></a>00644 }
<a name="l00645"></a>00645 <span class="preprocessor">#endif </span><span class="comment">/* support for community based SNMP */</span>
<a name="l00646"></a>00646
<a name="l00647"></a>00647 <span class="keywordtype">void</span>
<a name="l00648"></a>00648 netsnmp_unix_agent_config_tokens_register(<span class="keywordtype">void</span>)
<a name="l00649"></a>00649 {
<a name="l00650"></a>00650 <span class="preprocessor">#if !defined(NETSNMP_DISABLE_SNMPV1) || !defined(NETSNMP_DISABLE_SNMPV2C)</span>
<a name="l00651"></a>00651 <span class="preprocessor"></span> register_app_config_handler(<span class="stringliteral">"com2secunix"</span>, netsnmp_unix_parse_security,
<a name="l00652"></a>00652 netsnmp_unix_com2SecList_free,
<a name="l00653"></a>00653 <span class="stringliteral">"[-Cn CONTEXT] secName sockpath community"</span>);
<a name="l00654"></a>00654 <span class="preprocessor">#endif </span><span class="comment">/* support for community based SNMP */</span>
<a name="l00655"></a>00655 }
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