246 lines
6.2 KiB
C
246 lines
6.2 KiB
C
/*
|
|
* Copyright (c) 2008 The DragonFly Project. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The DragonFly Project
|
|
* by Matthias Schmidt <matthias@dragonflybsd.org>, University of Marburg,
|
|
* Germany.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* 3. Neither the name of The DragonFly Project nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific, prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
|
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <syslog.h>
|
|
#include <stdarg.h>
|
|
|
|
#include "dma.h"
|
|
|
|
#define DP ": \t"
|
|
#define EQS " \t"
|
|
|
|
|
|
/*
|
|
* Remove trailing \n's
|
|
*/
|
|
void
|
|
trim_line(char *line)
|
|
{
|
|
size_t linelen;
|
|
char *p;
|
|
|
|
if ((p = strchr(line, '\n')))
|
|
*p = (char)0;
|
|
|
|
/* Escape leading dot in every case */
|
|
linelen = strlen(line);
|
|
if (line[0] == '.') {
|
|
if ((linelen + 2) > 1000) {
|
|
syslog(LOG_CRIT, "Cannot escape leading dot. Buffer overflow");
|
|
exit(EX_DATAERR);
|
|
}
|
|
memmove((line + 1), line, (linelen + 1));
|
|
line[0] = '.';
|
|
}
|
|
}
|
|
|
|
static void
|
|
chomp(char *str)
|
|
{
|
|
size_t len = strlen(str);
|
|
|
|
if (len == 0)
|
|
return;
|
|
if (str[len - 1] == '\n')
|
|
str[len - 1] = 0;
|
|
}
|
|
|
|
/*
|
|
* Read the SMTP authentication config file
|
|
*
|
|
* file format is:
|
|
* user|host:password
|
|
*
|
|
* A line starting with # is treated as comment and ignored.
|
|
*/
|
|
void
|
|
parse_authfile(const char *path)
|
|
{
|
|
char line[2048];
|
|
struct authuser *au;
|
|
FILE *a;
|
|
char *data;
|
|
int lineno = 0;
|
|
|
|
a = fopen(path, "r");
|
|
if (a == NULL) {
|
|
errlog(EX_NOINPUT, "can not open auth file `%s'", path);
|
|
/* NOTREACHED */
|
|
}
|
|
|
|
while (!feof(a)) {
|
|
if (fgets(line, sizeof(line), a) == NULL)
|
|
break;
|
|
lineno++;
|
|
|
|
chomp(line);
|
|
|
|
/* We hit a comment */
|
|
if (*line == '#')
|
|
continue;
|
|
/* Ignore empty lines */
|
|
if (*line == 0)
|
|
continue;
|
|
|
|
au = calloc(1, sizeof(*au));
|
|
if (au == NULL)
|
|
errlog(EX_OSERR, NULL);
|
|
|
|
data = strdup(line);
|
|
au->login = strsep(&data, "|");
|
|
au->host = strsep(&data, DP);
|
|
au->password = data;
|
|
|
|
if (au->login == NULL ||
|
|
au->host == NULL ||
|
|
au->password == NULL) {
|
|
errlogx(EX_CONFIG, "syntax error in authfile %s:%d", path, lineno);
|
|
/* NOTREACHED */
|
|
}
|
|
|
|
SLIST_INSERT_HEAD(&authusers, au, next);
|
|
}
|
|
|
|
fclose(a);
|
|
}
|
|
|
|
/*
|
|
* XXX TODO
|
|
* Check for bad things[TM]
|
|
*/
|
|
void
|
|
parse_conf(const char *config_path)
|
|
{
|
|
char *word;
|
|
char *data;
|
|
FILE *conf;
|
|
char line[2048];
|
|
int lineno = 0;
|
|
|
|
conf = fopen(config_path, "r");
|
|
if (conf == NULL) {
|
|
/* Don't treat a non-existing config file as error */
|
|
if (errno == ENOENT)
|
|
return;
|
|
errlog(EX_NOINPUT, "can not open config `%s'", config_path);
|
|
/* NOTREACHED */
|
|
}
|
|
|
|
while (!feof(conf)) {
|
|
if (fgets(line, sizeof(line), conf) == NULL)
|
|
break;
|
|
lineno++;
|
|
|
|
chomp(line);
|
|
|
|
/* We hit a comment */
|
|
if (strchr(line, '#'))
|
|
*strchr(line, '#') = 0;
|
|
|
|
data = line;
|
|
word = strsep(&data, EQS);
|
|
|
|
/* Ignore empty lines */
|
|
if (word == NULL || *word == 0)
|
|
continue;
|
|
|
|
if (data != NULL && *data != 0)
|
|
data = strdup(data);
|
|
else
|
|
data = NULL;
|
|
|
|
if (strcmp(word, "SMARTHOST") == 0 && data != NULL)
|
|
config.smarthost = data;
|
|
else if (strcmp(word, "PORT") == 0 && data != NULL)
|
|
config.port = atoi(data);
|
|
else if (strcmp(word, "ALIASES") == 0 && data != NULL)
|
|
config.aliases = data;
|
|
else if (strcmp(word, "SPOOLDIR") == 0 && data != NULL)
|
|
config.spooldir = data;
|
|
else if (strcmp(word, "AUTHPATH") == 0 && data != NULL)
|
|
config.authpath= data;
|
|
else if (strcmp(word, "CERTFILE") == 0 && data != NULL)
|
|
config.certfile = data;
|
|
else if (strcmp(word, "MAILNAME") == 0 && data != NULL)
|
|
config.mailname = data;
|
|
else if (strcmp(word, "MASQUERADE") == 0 && data != NULL) {
|
|
char *user = NULL, *host = NULL;
|
|
if (strrchr(data, '@')) {
|
|
host = strrchr(data, '@');
|
|
*host = 0;
|
|
host++;
|
|
user = data;
|
|
} else {
|
|
host = data;
|
|
}
|
|
if (host && *host == 0)
|
|
host = NULL;
|
|
if (user && *user == 0)
|
|
user = NULL;
|
|
config.masquerade_host = host;
|
|
config.masquerade_user = user;
|
|
} else if (strcmp(word, "STARTTLS") == 0 && data == NULL)
|
|
config.features |= STARTTLS;
|
|
else if (strcmp(word, "OPPORTUNISTIC_TLS") == 0 && data == NULL)
|
|
config.features |= TLS_OPP;
|
|
else if (strcmp(word, "SECURETRANSFER") == 0 && data == NULL)
|
|
config.features |= SECURETRANS;
|
|
else if (strcmp(word, "DEFER") == 0 && data == NULL)
|
|
config.features |= DEFER;
|
|
else if (strcmp(word, "INSECURE") == 0 && data == NULL)
|
|
config.features |= INSECURE;
|
|
else if (strcmp(word, "FULLBOUNCE") == 0 && data == NULL)
|
|
config.features |= FULLBOUNCE;
|
|
else if (strcmp(word, "NULLCLIENT") == 0 && data == NULL)
|
|
config.features |= NULLCLIENT;
|
|
else {
|
|
errlogx(EX_CONFIG, "syntax error in %s:%d", config_path, lineno);
|
|
/* NOTREACHED */
|
|
}
|
|
}
|
|
|
|
if ((config.features & NULLCLIENT) && config.smarthost == NULL) {
|
|
errlogx(EX_CONFIG, "%s: NULLCLIENT requires SMARTHOST", config_path);
|
|
/* NOTREACHED */
|
|
}
|
|
|
|
fclose(conf);
|
|
}
|