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/***
This file is part of systemd.
Copyright 2014 Sebastian Thorarensen
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include "alloc-util.h"
#include "formats-util.h"
#include "journald-server.h"
#include "journald-wall.h"
#include "process-util.h"
#include "string-util.h"
#include "utmp-wtmp.h"
void server_forward_wall(
Server *s,
int priority,
const char *identifier,
const char *message,
const struct ucred *ucred) {
_cleanup_free_ char *ident_buf = NULL, *l_buf = NULL;
const char *l;
int r;
assert(s);
assert(message);
if (LOG_PRI(priority) > s->max_level_wall)
return;
if (ucred) {
if (!identifier) {
get_process_comm(ucred->pid, &ident_buf);
identifier = ident_buf;
}
if (asprintf(&l_buf, "%s["PID_FMT"]: %s", strempty(identifier), ucred->pid, message) < 0) {
log_oom();
return;
}
l = l_buf;
} else if (identifier) {
l = l_buf = strjoin(identifier, ": ", message);
if (!l_buf) {
log_oom();
return;
}
} else
l = message;
r = utmp_wall(l, "systemd-journald", NULL, NULL, NULL);
if (r < 0)
log_debug_errno(r, "Failed to send wall message: %m");
}
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