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#include "policyd.h"
/*
*
*
* Policy Daemon
*
* policy daemon is used in conjuction with postfix to combat spam.
*
* Copyright (C) 2004 Cami Sardinha (cami@mweb.co.za)
*
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*
*
*/
/*
* SYSLOG FACILITIES
*/
static struct syslog_priority {
char *str;
int num;
} syslog_priorities[] = {
/* priorities */
#ifdef LOG_EMERG
{ "LOG_EMERG", LOG_EMERG },
#endif
#ifdef LOG_ALERT
{ "LOG_ALERT", LOG_ALERT },
#endif
#ifdef LOG_CRIT
{ "LOG_CRIT", LOG_CRIT },
#endif
#ifdef LOG_ERR
{ "LOG_ERR", LOG_ERR },
#endif
#ifdef LOG_WARNING
{ "LOG_WARNING", LOG_WARNING },
#endif
#ifdef LOG_NOTICE
{ "LOG_NOTICE", LOG_NOTICE },
#endif
#ifdef LOG_INFO
{ "LOG_INFO", LOG_INFO },
#endif
#ifdef LOG_DEBUG
{ "LOG_DEBUG", LOG_DEBUG },
#endif
/* facilities */
#ifdef LOG_KERN
{ "LOG_KERN", LOG_KERN },
#endif
#ifdef LOG_USER
{ "LOG_USER", LOG_USER },
#endif
#ifdef LOG_MAIL
{ "LOG_MAIL", LOG_MAIL },
#endif
#ifdef LOG_DAEMON
{ "LOG_DAEMON", LOG_DAEMON },
#endif
#ifdef LOG_AUTH
{ "LOG_AUTH", LOG_AUTH },
#endif
#ifdef LOG_SYSLOG
{ "LOG_SYSLOG", LOG_SYSLOG },
#endif
#ifdef LOG_AUTHPRIV
{ "LOG_AUTHPRIV", LOG_AUTHPRIV },
#endif
#ifdef LOG_LOCAL0
{ "LOG_LOCAL0", LOG_LOCAL0 },
#endif
#ifdef LOG_LOCAL1
{ "LOG_LOCAL1", LOG_LOCAL1 },
#endif
#ifdef LOG_LOCAL2
{ "LOG_LOCAL2", LOG_LOCAL2 },
#endif
#ifdef LOG_LOCAL3
{ "LOG_LOCAL3", LOG_LOCAL3 },
#endif
#ifdef LOG_LOCAL4
{ "LOG_LOCAL4", LOG_LOCAL4 },
#endif
#ifdef LOG_LOCAL5
{ "LOG_LOCAL5", LOG_LOCAL5 },
#endif
#ifdef LOG_LOCAL6
{ "LOG_LOCAL6", LOG_LOCAL6 },
#endif
#ifdef LOG_LOCAL7
{ "LOG_LOCAL7", LOG_LOCAL7 },
#endif
{ NULL, 0 }
};
/*
* function: parse_syslog_priority
* purpose: split up tokens and ensure they are syslog facilities/priorities
* return: syslog facility
*/
int
parse_syslog_priority(char *str)
{
char *token;
int n = -1;
token = (char *) strtok (str, "|");
if (token == NULL)
{
logmessage("fatal: error parsing (1st) syslog string: %s from %s\n", token, str);
exit(-1);
}
/* ensure priority/facility is supported */
syslog_token_set (token, &n);
/* ensure priority/facility is supported */
while ((token = (char *) strtok (NULL, "|")) != NULL)
syslog_token_set (token, &n);
if (n == -1)
{
logmessage("fatal: error parsing (2st) syslog string: %s from %s\n", token, str);
exit(-1);
}
/* return priority */
return (n);
}
/*
* function: syslog_token_set
* purpose: check token against struct of priorities/facilities
* return: nada
*/
void
syslog_token_set(char *token, int *value)
{
unsigned int i;
token = strip_space (token);
for (i = 0; syslog_priorities[i].str != NULL; i++)
{
if(DEBUG > 3)
logmessage("DEBUG: token = %s, got = %s\n",
token, syslog_priorities[i].str);
if (!strcasecmp (token, syslog_priorities[i].str))
{
if (*value == -1)
{
if(DEBUG > 3)
logmessage("DEBUG: initial set: %s, n = 0x%08lx\n",
token, syslog_priorities[i].num);
*value = syslog_priorities[i].num;
} else {
if(DEBUG > 3)
logmessage("DEBUG: subsequent OR: %s, n = 0x%08lx\n",
token, *value | syslog_priorities[i].num);
*value = *value | syslog_priorities[i].num;
}
return;
}
}
logmessage("fatal: didn't find priority '%s', exiting\n", token);
exit (-1);
}
/*
* function: strip_space
* purpose: remove whitespace
* return: cleaned string
*/
char
*strip_space (char *str)
{
char *p;
unsigned int i = 0;
if (strlen (str) == 0)
return (str);
for (i = 0; isspace (str[i]); i++)
;
strcpy (str, str + i);
p = str + strlen (str);
while ((p--) != str && isspace (*p))
*p = 0;
return (str);
}
/* EOF */
|
