1 files changed, 54 insertions, 0 deletions
diff --git a/src/journal/journald-wall.c b/src/journal/journald-wall.c
new file mode 100644
index 0000000..21ec5a7
--- /dev/null
+++ b/src/journal/journald-wall.c
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "alloc-util.h"
+#include "format-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) {
+                        (void) 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");
+}