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/* ----------------------------------------------------------------------- *
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*
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* log.c - applcation logging routines.
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*
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* Copyright 2004 Denis Vlasenko <vda@port.imtp.ilyichevsk.odessa.ua>
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* - All Rights Reserved
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* Copyright 2005 Ian Kent <raven@themaw.net> - All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139,
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* USA; either version 2 of the License, or (at your option) any later
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* version; incorporated herein by reference.
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*
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* This module has been adapted from patches submitted by:
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* Denis Vlasenko <vda@port.imtp.ilyichevsk.odessa.ua>
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* Thanks Denis.
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*
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* ----------------------------------------------------------------------- */
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "automount.h"
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static unsigned int syslog_open = 0;
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static unsigned int logging_to_syslog = 0;
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/* log notification level */
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static unsigned int do_verbose = 0; /* Verbose feedback option */
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static unsigned int do_debug = 0; /* Full debug output */
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static char *prepare_attempt_prefix(const char *msg)
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{
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unsigned long *attempt_id;
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char buffer[ATTEMPT_ID_SIZE + 1];
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char *prefixed_msg = NULL;
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attempt_id = pthread_getspecific(key_thread_attempt_id);
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if (attempt_id) {
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int len = sizeof(buffer) + 1 + strlen(msg) + 1;
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snprintf(buffer, ATTEMPT_ID_SIZE, "%02lx", *attempt_id);
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prefixed_msg = (char *) calloc(len, sizeof(char));
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if (!prefixed_msg)
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return NULL;
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strcpy(prefixed_msg, buffer);
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strcat(prefixed_msg, "|");
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strcat(prefixed_msg, msg);
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}
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return prefixed_msg;
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}
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void set_log_norm(void)
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{
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do_verbose = 0;
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do_debug = 0;
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return;
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}
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void set_log_verbose(void)
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{
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do_verbose = 1;
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return;
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}
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void set_log_debug(void)
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{
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do_debug = 1;
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return;
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}
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void set_log_norm_ap(struct autofs_point *ap)
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{
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ap->logopt = LOGOPT_ERROR;
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return;
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}
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void set_log_verbose_ap(struct autofs_point *ap)
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{
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ap->logopt = LOGOPT_VERBOSE;
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return;
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}
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void set_log_debug_ap(struct autofs_point *ap)
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{
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ap->logopt = LOGOPT_DEBUG;
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return;
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}
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void log_info(unsigned int logopt, const char *msg, ...)
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{
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unsigned int opt_log = logopt & (LOGOPT_DEBUG | LOGOPT_VERBOSE);
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char *prefixed_msg;
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va_list ap;
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if (!do_debug && !do_verbose && !opt_log)
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return;
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prefixed_msg = prepare_attempt_prefix(msg);
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va_start(ap, msg);
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if (logging_to_syslog) {
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if (prefixed_msg)
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vsyslog(LOG_INFO, prefixed_msg, ap);
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else
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vsyslog(LOG_INFO, msg, ap);
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} else {
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if (prefixed_msg)
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vfprintf(stderr, prefixed_msg, ap);
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else
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vfprintf(stderr, msg, ap);
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fputc('\n', stderr);
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}
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va_end(ap);
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if (prefixed_msg)
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free(prefixed_msg);
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return;
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}
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void log_notice(unsigned int logopt, const char *msg, ...)
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{
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unsigned int opt_log = logopt & (LOGOPT_DEBUG | LOGOPT_VERBOSE);
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char *prefixed_msg;
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va_list ap;
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if (!do_debug && !do_verbose && !opt_log)
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return;
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prefixed_msg = prepare_attempt_prefix(msg);
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va_start(ap, msg);
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if (logging_to_syslog) {
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if (prefixed_msg)
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vsyslog(LOG_NOTICE, prefixed_msg, ap);
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else
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vsyslog(LOG_INFO, msg, ap);
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} else {
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if (prefixed_msg)
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vfprintf(stderr, prefixed_msg, ap);
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else
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vfprintf(stderr, msg, ap);
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fputc('\n', stderr);
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}
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va_end(ap);
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if (prefixed_msg)
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free(prefixed_msg);
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return;
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}
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void log_warn(unsigned int logopt, const char *msg, ...)
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{
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unsigned int opt_log = logopt & (LOGOPT_DEBUG | LOGOPT_VERBOSE);
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char *prefixed_msg;
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va_list ap;
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if (!do_debug && !do_verbose && !opt_log)
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return;
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prefixed_msg = prepare_attempt_prefix(msg);
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va_start(ap, msg);
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if (logging_to_syslog) {
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if (prefixed_msg)
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vsyslog(LOG_WARNING, prefixed_msg, ap);
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else
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vsyslog(LOG_INFO, msg, ap);
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} else {
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if (prefixed_msg)
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vfprintf(stderr, prefixed_msg, ap);
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else
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vfprintf(stderr, msg, ap);
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fputc('\n', stderr);
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}
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va_end(ap);
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if (prefixed_msg)
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free(prefixed_msg);
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return;
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}
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void log_error(unsigned logopt, const char *msg, ...)
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{
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char *prefixed_msg;
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va_list ap;
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prefixed_msg = prepare_attempt_prefix(msg);
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va_start(ap, msg);
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if (logging_to_syslog) {
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if (prefixed_msg)
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vsyslog(LOG_ERR, prefixed_msg, ap);
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else
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vsyslog(LOG_INFO, msg, ap);
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} else {
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if (prefixed_msg)
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vfprintf(stderr, prefixed_msg, ap);
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else
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vfprintf(stderr, msg, ap);
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fputc('\n', stderr);
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}
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va_end(ap);
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if (prefixed_msg)
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free(prefixed_msg);
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return;
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}
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void log_crit(unsigned logopt, const char *msg, ...)
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{
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char *prefixed_msg;
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va_list ap;
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prefixed_msg = prepare_attempt_prefix(msg);
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va_start(ap, msg);
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if (logging_to_syslog) {
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if (prefixed_msg)
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vsyslog(LOG_CRIT, prefixed_msg, ap);
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else
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vsyslog(LOG_INFO, msg, ap);
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} else {
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if (prefixed_msg)
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vfprintf(stderr, prefixed_msg, ap);
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else
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vfprintf(stderr, msg, ap);
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fputc('\n', stderr);
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}
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va_end(ap);
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if (prefixed_msg)
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free(prefixed_msg);
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return;
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}
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void log_debug(unsigned int logopt, const char *msg, ...)
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{
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unsigned int opt_log = logopt & LOGOPT_DEBUG;
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char *prefixed_msg;
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va_list ap;
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if (!do_debug && !opt_log)
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return;
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prefixed_msg = prepare_attempt_prefix(msg);
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va_start(ap, msg);
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if (logging_to_syslog) {
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if (prefixed_msg)
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vsyslog(LOG_WARNING, prefixed_msg, ap);
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else
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vsyslog(LOG_INFO, msg, ap);
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} else {
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if (prefixed_msg)
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vfprintf(stderr, prefixed_msg, ap);
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else
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vfprintf(stderr, msg, ap);
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fputc('\n', stderr);
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}
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va_end(ap);
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if (prefixed_msg)
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free(prefixed_msg);
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return;
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}
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void logmsg(const char *msg, ...)
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{
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char *prefixed_msg;
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va_list ap;
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prefixed_msg = prepare_attempt_prefix(msg);
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va_start(ap, msg);
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if (logging_to_syslog) {
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if (prefixed_msg)
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vsyslog(LOG_CRIT, prefixed_msg, ap);
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else
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vsyslog(LOG_INFO, msg, ap);
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} else {
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if (prefixed_msg)
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vfprintf(stderr, prefixed_msg, ap);
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else
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vfprintf(stderr, msg, ap);
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fputc('\n', stderr);
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}
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va_end(ap);
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if (prefixed_msg)
|
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free(prefixed_msg);
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return;
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}
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|
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void open_log(void)
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{
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if (!syslog_open) {
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syslog_open = 1;
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openlog("automount", LOG_PID, LOG_DAEMON);
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}
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logging_to_syslog = 1;
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return;
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}
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|
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|
|
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void log_to_stderr(void)
|
|
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{
|
|
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8480eb |
if (syslog_open) {
|
|
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8480eb |
syslog_open = 0;
|
|
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closelog();
|
|
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}
|
|
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8480eb |
|
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logging_to_syslog = 0;
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8480eb |
|
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return;
|
|
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8480eb |
}
|
|
Packit |
50799d |
|
|
Packit |
50799d |
pid_t log_pidinfo(struct autofs_point *ap, pid_t pid, char *label) {
|
|
Packit |
50799d |
char buf[PATH_MAX + 1] = "";
|
|
Packit |
50799d |
FILE *statfile;
|
|
Packit |
50799d |
|
|
Packit |
50799d |
pid_t tgid, ppid;
|
|
Packit |
50799d |
int uid, euid, gid, egid;
|
|
Packit |
50799d |
char comm[64] = "";
|
|
Packit |
50799d |
|
|
Packit |
50799d |
sprintf(buf, "/proc/%d/status", pid);
|
|
Packit |
50799d |
statfile = fopen(buf, "r");
|
|
Packit |
50799d |
if (statfile == NULL) {
|
|
Packit |
50799d |
info(ap->logopt, "pidinfo %s: failed to open %s", label, buf);
|
|
Packit |
50799d |
return -1;
|
|
Packit |
50799d |
}
|
|
Packit |
50799d |
|
|
Packit |
50799d |
while (fgets(buf, sizeof(buf), statfile) != NULL) {
|
|
Packit |
50799d |
if (strncmp(buf, "Name:", 5) == 0) {
|
|
Packit |
50799d |
sscanf(buf, "Name:\t%s", (char *) &comm);
|
|
Packit |
50799d |
} else if (strncmp(buf, "Tgid:", 5) == 0) {
|
|
Packit |
50799d |
sscanf(buf, "Tgid:\t%d", (int *) &tgid);
|
|
Packit |
50799d |
} else if (strncmp(buf, "PPid:", 5) == 0) {
|
|
Packit |
50799d |
sscanf(buf, "PPid:\t%d", (int *) &ppid);
|
|
Packit |
50799d |
} else if (strncmp(buf, "Uid:", 4) == 0) {
|
|
Packit |
50799d |
sscanf(buf,
|
|
Packit |
50799d |
"Uid:\t%d\t%d", (int *) &uid, (int *) &euid);
|
|
Packit |
50799d |
} else if (strncmp(buf, "Gid:", 4) == 0) {
|
|
Packit |
50799d |
sscanf(buf,
|
|
Packit |
50799d |
"Gid:\t%d\t%d", (int *) &gid, (int *) &egid);
|
|
Packit |
50799d |
}
|
|
Packit |
50799d |
}
|
|
Packit |
50799d |
fclose(statfile);
|
|
Packit |
50799d |
|
|
Packit |
50799d |
info(ap->logopt,
|
|
Packit |
50799d |
"pidinfo %s: pid:%d comm:%s tgid:%d uid:%d euid:%d gid:%d egid:%d",
|
|
Packit |
50799d |
label, pid, comm, tgid, uid, euid, gid, egid);
|
|
Packit |
50799d |
|
|
Packit |
50799d |
return ppid;
|
|
Packit |
50799d |
}
|