#include "fdset.h"
#define SERVER_FD_MAX 16
-#define TIMEOUT ((int) (10*MSEC_PER_SEC))
typedef struct Stream Stream;
return r;
}
-static int read_priority(const char **buf) {
- int priority;
- size_t n;
- const char *p;
- int a, b, c;
-
- assert(buf);
- assert(*buf);
-
- p = *buf;
- n = strlen(p);
-
- if (n < 3 || p[0] != '<')
- goto fail;
-
- if (p[2] == '>') {
- a = b = 0;
- c = undecchar(p[1]);
- p += 3;
- } else if (n >= 4 && p[3] == '>') {
- a = 0;
- b = undecchar(p[1]);
- c = undecchar(p[2]);
- p += 4;
- } else if (n >= 5 && p[4] == '>') {
- a = undecchar(p[1]);
- b = undecchar(p[2]);
- c = undecchar(p[3]);
- p += 5;
- } else
- goto fail;
-
- if (a < 0 || b < 0 || c < 0)
- goto fail;
-
- *buf = p;
-
- priority = 100*a + 10*b + c;
- return LOG_PRI(priority);
-
-fail:
- return LOG_INFO;
-}
-
static void skip_date(const char **buf) {
enum {
LETTER,
static int write_message(Server *s, const char *buf, struct ucred *ucred) {
ssize_t k;
- char priority[4], pid[16];
+ char priority[6], pid[16];
struct iovec iovec[5];
unsigned i = 0;
char *process = NULL;
int r = 0;
+ int prio = LOG_USER | LOG_INFO;
assert(s);
assert(buf);
+ parse_syslog_priority((char**) &buf, &prio);
+
+ if (*buf == 0)
+ return 0;
+
+ if ((prio & LOG_FACMASK) == 0)
+ prio = LOG_USER | LOG_PRI(prio);
+
/* First, set priority field */
- snprintf(priority, sizeof(priority), "<%i>", read_priority(&buf));
+ snprintf(priority, sizeof(priority), "<%i>", prio);
char_array_0(priority);
IOVEC_SET_STRING(iovec[i++], priority);
/* Then, add process if set */
if (read_process(&buf, &iovec[i]) > 0)
i++;
- else if (ucred && get_process_name(ucred->pid, &process) >= 0)
+ else if (ucred &&
+ ucred->pid > 0 &&
+ get_process_name(ucred->pid, &process) >= 0)
IOVEC_SET_STRING(iovec[i++], process);
/* Skip the stored PID if we have a better one */
int main(int argc, char *argv[]) {
Server server;
- int r = 3, n;
+ int r = EXIT_FAILURE, n;
if (getppid() != 1) {
log_error("This program should be invoked by init only.");
- return 1;
+ return EXIT_FAILURE;
}
if (argc > 1) {
log_error("This program does not take arguments.");
- return 1;
+ return EXIT_FAILURE;
}
log_set_target(LOG_TARGET_KMSG);
if ((n = sd_listen_fds(true)) < 0) {
log_error("Failed to read listening file descriptors from environment: %s", strerror(-r));
- return 1;
+ return EXIT_FAILURE;
}
if (n <= 0 || n > SERVER_FD_MAX) {
log_error("No or too many file descriptors passed.");
- return 2;
+ return EXIT_FAILURE;
}
if (server_init(&server, (unsigned) n) < 0)
- return 3;
+ return EXIT_FAILURE;
log_debug("systemd-kmsg-syslogd running as pid %lu", (unsigned long) getpid());
struct epoll_event event;
int k;
- if ((k = epoll_wait(server.epoll_fd, &event, 1, TIMEOUT)) < 0) {
+ if ((k = epoll_wait(server.epoll_fd, &event, 1, -1)) < 0) {
if (errno == EINTR)
continue;
break;
}
- r = 0;
+ r = EXIT_SUCCESS;
log_debug("systemd-kmsg-syslogd stopped as pid %lu", (unsigned long) getpid());