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da927ba997
It corrrectly handles both positive and negative errno values.
70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2014 Sebastian Thorarensen
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "utmp-wtmp.h"
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#include "journald-server.h"
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#include "journald-wall.h"
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void server_forward_wall(
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Server *s,
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int priority,
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const char *identifier,
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const char *message,
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const struct ucred *ucred) {
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_cleanup_free_ char *ident_buf = NULL, *l_buf = NULL;
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const char *l;
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int r;
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assert(s);
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assert(message);
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if (LOG_PRI(priority) > s->max_level_wall)
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return;
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if (ucred) {
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if (!identifier) {
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get_process_comm(ucred->pid, &ident_buf);
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identifier = ident_buf;
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}
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if (asprintf(&l_buf, "%s["PID_FMT"]: %s", strempty(identifier), ucred->pid, message) < 0) {
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log_oom();
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return;
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}
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l = l_buf;
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} else if (identifier) {
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l = l_buf = strjoin(identifier, ": ", message, NULL);
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if (!l_buf) {
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log_oom();
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return;
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}
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} else
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l = message;
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r = utmp_wall(l, "systemd-journald", NULL);
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if (r < 0)
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log_debug_errno(r, "Failed to send wall message: %m");
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}
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