int log_opensyslog(const char *fn) {
int res = 0;
if (set_facility != -1)
facility = set_facility;
if (fn) {
memset(systemlog_fn, '\0', sizeof(systemlog_fn));
sstrncpy(systemlog_fn, fn, sizeof(systemlog_fn));
}
if (!*systemlog_fn) {
/* The child may have inherited a valid socket from the parent. */
pr_closelog(syslog_sockfd);
if ((syslog_sockfd = pr_openlog("proftpd", LOG_NDELAY|LOG_PID,
facility)) < 0)
return -1;
systemlog_fd = -1;
} else if ((res = pr_log_openfile(systemlog_fn, &systemlog_fd,
PR_LOG_SYSTEM_MODE)) < 0) {
memset(systemlog_fn, '\0', sizeof(systemlog_fn));
return res;
}
syslog_open = TRUE;
return 0;
}
void log_closesyslog(void) {
(void) close(systemlog_fd);
systemlog_fd = -1;
(void) pr_closelog(syslog_sockfd);
syslog_sockfd = -1;
syslog_open = FALSE;
}
void log_closesyslog(void) {
if (systemlog_fd != -1) {
close(systemlog_fd);
systemlog_fd = -1;
} else {
pr_closelog(syslog_sockfd);
syslog_sockfd = -1;
}
syslog_open = FALSE;
}
int log_opensyslog(const char *fn) {
int res = 0;
if (set_facility != -1)
facility = set_facility;
if (fn) {
memset(systemlog_fn, '\0', sizeof(systemlog_fn));
sstrncpy(systemlog_fn, fn, sizeof(systemlog_fn));
}
if (!*systemlog_fn) {
/* The child may have inherited a valid socket from the parent. */
pr_closelog(syslog_sockfd);
syslog_sockfd = pr_openlog("proftpd", LOG_NDELAY|LOG_PID, facility);
if (syslog_sockfd < 0) {
int xerrno = errno;
(void) pr_trace_msg(trace_channel, 1,
"error opening syslog fd: %s", strerror(xerrno));
errno = xerrno;
return -1;
}
/* Find a usable fd for the just-opened socket fd. */
if (syslog_sockfd <= STDERR_FILENO) {
res = pr_fs_get_usable_fd(syslog_sockfd);
if (res > 0) {
(void) close(syslog_sockfd);
syslog_sockfd = res;
}
}
(void) fcntl(syslog_sockfd, F_SETFD, FD_CLOEXEC);
systemlog_fd = -1;
} else if ((res = pr_log_openfile(systemlog_fn, &systemlog_fd,
PR_LOG_SYSTEM_MODE)) < 0) {
memset(systemlog_fn, '\0', sizeof(systemlog_fn));
return res;
}
syslog_open = TRUE;
return 0;
}
static void log_write(int priority, int f, char *s) {
unsigned int *max_priority = NULL;
char serverinfo[PR_TUNABLE_BUFFER_SIZE] = {'\0'};
memset(serverinfo, '\0', sizeof(serverinfo));
if (main_server &&
main_server->ServerFQDN) {
pr_netaddr_t *remote_addr = pr_netaddr_get_sess_remote_addr();
const char *remote_name = pr_netaddr_get_sess_remote_name();
snprintf(serverinfo, sizeof(serverinfo), "%s", main_server->ServerFQDN);
serverinfo[sizeof(serverinfo)-1] = '\0';
if (remote_addr && remote_name) {
snprintf(serverinfo + strlen(serverinfo),
sizeof(serverinfo) - strlen(serverinfo), " (%s[%s])",
remote_name, pr_netaddr_get_ipstr(remote_addr));
serverinfo[sizeof(serverinfo)-1] = '\0';
}
}
if (logstderr ||
!main_server) {
fprintf(stderr, "%s - %s\n", serverinfo, s);
return;
}
if (syslog_discard)
return;
if (systemlog_fd != -1) {
char buf[LOGBUFFER_SIZE] = {'\0'};
time_t tt = time(NULL);
struct tm *t;
t = localtime(&tt);
strftime(buf, sizeof(buf), "%b %d %H:%M:%S ", t);
buf[sizeof(buf) - 1] = '\0';
if (*serverinfo) {
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
"%s proftpd[%u] %s: %s\n", systemlog_host,
(unsigned int) getpid(), serverinfo, s);
} else {
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
"%s proftpd[%u]: %s\n", systemlog_host,
(unsigned int) getpid(), s);
}
buf[sizeof(buf) - 1] = '\0';
write(systemlog_fd, buf, strlen(buf));
return;
}
if (set_facility != -1)
f = set_facility;
if (!syslog_open) {
syslog_sockfd = pr_openlog("proftpd", LOG_NDELAY|LOG_PID, f);
} else if (f != facility) {
(void) pr_setlogfacility(f);
}
max_priority = get_param_ptr(main_server->conf, "SyslogLevel", FALSE);
if (max_priority != NULL &&
priority > *max_priority)
return;
if (*serverinfo)
pr_syslog(syslog_sockfd, priority, "%s - %s\n", serverinfo, s);
else
pr_syslog(syslog_sockfd, priority, "%s\n", s);
if (!syslog_open) {
pr_closelog(syslog_sockfd);
syslog_sockfd = -1;
} else if (f != facility) {
(void) pr_setlogfacility(f);
}
}
