2 * Copyright (c) 2008 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthias Schmidt <matthias@dragonflybsd.org>, University of Marburg,
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
18 * 3. Neither the name of The DragonFly Project nor the names of its
19 * contributors may be used to endorse or promote products derived
20 * from this software without specific, prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
25 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
26 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
28 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
30 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
31 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
32 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * Remove trailing \n's
59 if ((p = strchr(line, '\n')))
62 /* Escape leading dot in every case */
63 linelen = strlen(line);
65 if ((linelen + 2) > 1000) {
66 syslog(LOG_CRIT, "Cannot escape leading dot. Buffer overflow");
69 memmove((line + 1), line, (linelen + 1));
77 size_t len = strlen(str);
81 if (str[len - 1] == '\n')
86 * Read the SMTP authentication config file
91 * A line starting with # is treated as comment and ignored.
94 parse_authfile(const char *path)
102 a = fopen(path, "r");
104 errlog(EX_NOINPUT, "can not open auth file `%s'", path);
109 if (fgets(line, sizeof(line), a) == NULL)
115 /* We hit a comment */
118 /* Ignore empty lines */
122 au = calloc(1, sizeof(*au));
124 errlog(EX_OSERR, "calloc()");
127 au->login = strsep(&data, "|");
128 au->host = strsep(&data, DP);
131 if (au->login == NULL ||
133 au->password == NULL) {
134 errlogx(EX_CONFIG, "syntax error in authfile %s:%d", path, lineno);
138 SLIST_INSERT_HEAD(&authusers, au, next);
146 * Check for bad things[TM]
149 parse_conf(const char *config_path)
157 conf = fopen(config_path, "r");
159 /* Don't treat a non-existing config file as error */
162 errlog(EX_NOINPUT, "can not open config `%s'", config_path);
166 while (!feof(conf)) {
167 if (fgets(line, sizeof(line), conf) == NULL)
173 /* We hit a comment */
174 if (strchr(line, '#'))
175 *strchr(line, '#') = 0;
178 word = strsep(&data, EQS);
180 /* Ignore empty lines */
181 if (word == NULL || *word == 0)
184 if (data != NULL && *data != 0)
189 if (strcmp(word, "SMARTHOST") == 0 && data != NULL)
190 config.smarthost = data;
191 else if (strcmp(word, "PORT") == 0 && data != NULL)
192 config.port = atoi(data);
193 else if (strcmp(word, "ALIASES") == 0 && data != NULL)
194 config.aliases = data;
195 else if (strcmp(word, "SPOOLDIR") == 0 && data != NULL)
196 config.spooldir = data;
197 else if (strcmp(word, "AUTHPATH") == 0 && data != NULL)
198 config.authpath= data;
199 else if (strcmp(word, "CERTFILE") == 0 && data != NULL)
200 config.certfile = data;
201 else if (strcmp(word, "MAILNAME") == 0 && data != NULL)
202 config.mailname = data;
203 else if (strcmp(word, "MASQUERADE") == 0 && data != NULL) {
204 char *user = NULL, *host = NULL;
205 if (strrchr(data, '@')) {
206 host = strrchr(data, '@');
213 if (host && *host == 0)
215 if (user && *user == 0)
217 config.masquerade_host = host;
218 config.masquerade_user = user;
219 } else if (strcmp(word, "STARTTLS") == 0 && data == NULL)
220 config.features |= STARTTLS;
221 else if (strcmp(word, "OPPORTUNISTIC_TLS") == 0 && data == NULL)
222 config.features |= TLS_OPP;
223 else if (strcmp(word, "SECURETRANSFER") == 0 && data == NULL)
224 config.features |= SECURETRANS;
225 else if (strcmp(word, "DEFER") == 0 && data == NULL)
226 config.features |= DEFER;
227 else if (strcmp(word, "INSECURE") == 0 && data == NULL)
228 config.features |= INSECURE;
229 else if (strcmp(word, "FULLBOUNCE") == 0 && data == NULL)
230 config.features |= FULLBOUNCE;
231 else if (strcmp(word, "NULLCLIENT") == 0 && data == NULL)
232 config.features |= NULLCLIENT;
234 errlogx(EX_CONFIG, "syntax error in %s:%d", config_path, lineno);
239 if ((config.features & NULLCLIENT) && config.smarthost == NULL) {
240 errlogx(EX_CONFIG, "%s: NULLCLIENT requires SMARTHOST", config_path);