freebsd-dev/contrib/dma/conf.c
Baptiste Daroussin 22354f09c8 Fix build with gcc
2014-02-21 13:17:10 +00:00

247 lines
6.1 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(1);
}
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(1, "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(1, "calloc failed");
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(1, "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(1, "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(1, "syntax error in %s:%d", config_path, lineno);
/* NOTREACHED */
}
}
if ((config.features & NULLCLIENT) && config.smarthost == NULL) {
errlogx(1, "%s: NULLCLIENT requires SMARTHOST", config_path);
/* NOTREACHED */
}
fclose(conf);
}