1 /******************************************************************************/
2 /* postlicyd: a postfix policy daemon with a lot of features */
4 /* ________________________________________________________________________ */
6 /* Redistribution and use in source and binary forms, with or without */
7 /* modification, are permitted provided that the following conditions */
10 /* 1. Redistributions of source code must retain the above copyright */
11 /* notice, this list of conditions and the following disclaimer. */
12 /* 2. Redistributions in binary form must reproduce the above copyright */
13 /* notice, this list of conditions and the following disclaimer in the */
14 /* documentation and/or other materials provided with the distribution. */
15 /* 3. The names of its contributors may not be used to endorse or promote */
16 /* products derived from this software without specific prior written */
19 /* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND */
20 /* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE */
21 /* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR */
22 /* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS */
23 /* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR */
24 /* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF */
25 /* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS */
26 /* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN */
27 /* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) */
28 /* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF */
29 /* THE POSSIBILITY OF SUCH DAMAGE. */
30 /******************************************************************************/
33 * Copyright © 2006-2007 Pierre Habouzit
52 static jpriv_t *postfix_jpriv_init(jpriv_t *jp)
54 buffer_init(&jp->ibuf);
55 buffer_init(&jp->obuf);
58 static void postfix_jpriv_wipe(jpriv_t *jp)
60 buffer_wipe(&jp->ibuf);
61 buffer_wipe(&jp->obuf);
63 DO_NEW(jpriv_t, postfix_jpriv);
64 DO_DELETE(jpriv_t, postfix_jpriv);
66 static void postfix_stop(job_t *job)
68 postfix_jpriv_delete(&job->jdata);
71 static int postfix_parsejob(job_t *job)
73 const char *p = skipspaces(job->jdata->ibuf.data);
79 while (*p == ' ' || *p == '\t')
81 p = strchrnul(k = p, '=');
84 for (klen = p - k; k[klen] == ' ' || k[klen] == '\t'; klen--);
87 while (*p == ' ' || *p == '\t')
89 p = strstr(v = p, "\r\n");
92 for (vlen = p - v; v[vlen] == ' ' || v[vlen] == '\t'; vlen--);
93 p += 2; /* skip \r\n */
95 /* do sth with (k,v) */
97 assert (p[0] && p[1]);
98 if (p[0] == '\r' && p[1] == '\n')
105 static void postfix_process(job_t *job)
111 if ((job = job_accept(job, JOB_READ))) {
112 job->jdata = postfix_jpriv_new();
113 job->process = &postfix_process;
114 job->stop = &postfix_stop;
119 nb = write(job->fd, job->jdata->obuf.data, job->jdata->obuf.len);
121 if ((job->error = errno != EINTR && errno != EAGAIN)) {
122 syslog(LOG_ERR, "unexpected problem on the socket: %m");
127 buffer_consume(&job->jdata->obuf, nb);
128 if (job->jdata->obuf.len)
131 job_update_mode(job, JOB_READ);
136 nb = buffer_read(&job->jdata->ibuf, job->fd, -1);
138 if ((job->error = errno != EINTR && errno != EAGAIN)) {
139 syslog(LOG_ERR, "unexpected problem on the socket: %m");
144 syslog(LOG_ERR, "unexpected eof");
149 if (!strstr(skipspaces(job->jdata->ibuf.data), "\r\n\r\n")) {
150 if (job->jdata->ibuf.len > SHRT_MAX) {
151 syslog(LOG_ERR, "too much data without CRLFCRLF");
157 if (postfix_parsejob(job) < 0) {
158 syslog(LOG_ERR, "could not parse postfix request");
163 job_update_mode(job, JOB_IDLE);
165 /* TODO: run the scenario */