pam-modules/lib/log.c
2022-02-04 09:38:17 +02:00

99 lines
2.2 KiB
C

/* This file is part of pam-modules.
Copyright (C) 2008-2022 Sergey Poznyakoff
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 3 of the License, or (at your
option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY 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, see <http://www.gnu.org/licenses/>. */
#include <graypam.h>
/* Syslog functions */
static int syslog_dont_open;
static const char *syslog_tag = "pam_modules";
static int facility;
void
gray_log_init(int dont_open, const char *tag, int f)
{
syslog_dont_open = dont_open;
syslog_tag = tag;
facility = f;
}
void
gray_pam_vlog(int err, const char *format, va_list args)
{
if (syslog_dont_open)
err |= facility;
else
openlog(syslog_tag, LOG_CONS|LOG_PID, facility);
vsyslog(err, format, args);
if (!syslog_dont_open)
closelog();
}
void
gray_pam_log(int err, const char *format, ...)
{
va_list args;
va_start(args, format);
gray_pam_vlog(err, format, args);
va_end(args);
}
void
gray_pam_debug(const char *format, ...)
{
va_list args;
va_start(args, format);
gray_pam_vlog(LOG_DEBUG, format, args);
va_end(args);
}
void
gray_wait_debug(size_t interval, const char *file, size_t line)
{
#ifdef DEBUG_MODE
if (!interval)
interval = 3600;
if (file)
gray_pam_log(LOG_CRIT, "WAITING FOR DEBUG AT %s:%d",
file, (unsigned long)line);
else
gray_pam_log(LOG_CRIT, "WAITING FOR DEBUG");
while (interval-- > 0)
sleep(1);
#else
gray_pam_log(LOG_NOTICE, "Debugging is not configured");
#endif
}
int
gray_wait_debug_fun (struct pam_opt *opt, const char *value)
{
char *s = "";
long n = value ? strtol(value, &s, 0) : 0;
if (*s) {
_pam_log(LOG_ERR,
"%s: %s is not a valid number",
opt->name, value);
return 1;
}
gray_wait_debug(n, NULL, 0);
return 0;
}