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/*
* Syslog functions.
* Copyright (C) 2003, 2004 Mondru AB.
*
* The contents of this file may be used under the terms of the GNU
* General Public License Version 2, provided that the above copyright
* notice and this permission notice is included in all copies or
* substantial portions of the software.
*
*/
#include <stdarg.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <stdio.h>
#include <syslog.h>
#include <string.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include "syserr.h"
static FILE* err_log;
void sys_err_setlogfile(FILE* log)
{
err_log = log;
}
void sys_err(int pri, char *fn, int ln, int en, char *fmt, ...)
{
va_list args;
char buf[SYSERR_MSGSIZE];
va_start(args, fmt);
vsnprintf(buf, SYSERR_MSGSIZE, fmt, args);
va_end(args);
buf[SYSERR_MSGSIZE - 1] = 0; /* Make sure it is null terminated */
if (en) {
if (err_log)
fprintf(err_log, "%s: %d: %d (%s) %s\n",
fn, ln, en, strerror(en), buf);
syslog(pri, "%s: %d: %d (%s) %s", fn, ln, en, strerror(en),
buf);
} else {
if (err_log)
fprintf(err_log, "%s: %d: %s\n", fn, ln, buf);
syslog(pri, "%s: %d: %s", fn, ln, buf);
}
}
void sys_errpack(int pri, char *fn, int ln, int en, struct sockaddr_in *peer,
void *pack, unsigned len, char *fmt, ...)
{
va_list args;
char buf[SYSERR_MSGSIZE];
char buf2[SYSERR_MSGSIZE];
unsigned int n;
int pos;
va_start(args, fmt);
vsnprintf(buf, SYSERR_MSGSIZE, fmt, args);
va_end(args);
buf[SYSERR_MSGSIZE - 1] = 0;
snprintf(buf2, SYSERR_MSGSIZE,
"Packet from %s:%u, length: %d, content:",
inet_ntoa(peer->sin_addr), ntohs(peer->sin_port), len);
buf2[SYSERR_MSGSIZE - 1] = 0;
pos = strlen(buf2);
for (n = 0; n < len; n++) {
if ((pos + 4) < SYSERR_MSGSIZE) {
sprintf((buf2 + pos), " %02hhx",
((unsigned char *)pack)[n]);
pos += 3;
}
}
buf2[pos] = 0;
if (en) {
if (err_log)
fprintf(err_log, "%s: %d: %d (%s) %s. %s\n",
fn, ln, en, strerror(en), buf, buf2);
syslog(pri, "%s: %d: %d (%s) %s. %s", fn, ln, en, strerror(en),
buf, buf2);
} else {
if (err_log)
fprintf(err_log, "%s: %d: %s. %s\n", fn, ln, buf, buf2);
syslog(pri, "%s: %d: %s. %s", fn, ln, buf, buf2);
}
}
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