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-rw-r--r--src/grp-journal/libjournal-core/src/journald-wall.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/src/grp-journal/libjournal-core/src/journald-wall.c b/src/grp-journal/libjournal-core/src/journald-wall.c
new file mode 100644
index 0000000000..242e69f6c3
--- /dev/null
+++ b/src/grp-journal/libjournal-core/src/journald-wall.c
@@ -0,0 +1,71 @@
+/***
+ 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 "journal-core/journald-server.h"
+#include "journal-core/journald-wall.h"
+#include "systemd-basic/alloc-util.h"
+#include "systemd-basic/formats-util.h"
+#include "systemd-basic/process-util.h"
+#include "systemd-basic/string-util.h"
+#include "systemd-shared/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, NULL);
+ 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");
+}