1 files changed, 138 insertions, 0 deletions
diff --git a/ldpd/log.c b/ldpd/log.c
new file mode 100644
index 0000000..7c4d782
--- /dev/null
+++ b/ldpd/log.c
@@ -0,0 +1,138 @@
+// SPDX-License-Identifier: ISC
+/*	$OpenBSD$ */
+
+/*
+ * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
+ */
+
+#include <zebra.h>
+
+#include "ldpd.h"
+#include "ldpe.h"
+#include "lde.h"
+#include "log.h"
+#include "printfrr.h"
+
+#include <lib/log.h>
+
+const char	*log_procname;
+
+void
+logit(int pri, const char *fmt, ...)
+{
+	va_list	ap;
+
+	va_start(ap, fmt);
+	vlog(pri, fmt, ap);
+	va_end(ap);
+}
+
+void
+vlog(int pri, const char *fmt, va_list ap)
+{
+	char	 buf[1024];
+
+	switch (ldpd_process) {
+	case PROC_LDE_ENGINE:
+		vsnprintfrr(buf, sizeof(buf), fmt, ap);
+		lde_imsg_compose_parent_sync(IMSG_LOG, pri, buf, strlen(buf) + 1);
+		break;
+	case PROC_LDP_ENGINE:
+		vsnprintfrr(buf, sizeof(buf), fmt, ap);
+		ldpe_imsg_compose_parent_sync(IMSG_LOG, pri, buf, strlen(buf) + 1);
+		break;
+	case PROC_MAIN:
+		vzlog(pri, fmt, ap);
+		break;
+	}
+}
+
+void
+log_warn(const char *emsg, ...)
+{
+	char	*nfmt;
+	va_list	 ap;
+
+	/* best effort to even work in out of memory situations */
+	if (emsg == NULL)
+		logit(LOG_ERR, "%s", strerror(errno));
+	else {
+		va_start(ap, emsg);
+
+		if (asprintf(&nfmt, "%s: %s", emsg, strerror(errno)) == -1) {
+			/* we tried it... */
+			vlog(LOG_ERR, emsg, ap);
+			logit(LOG_ERR, "%s", strerror(errno));
+		} else {
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wformat-nonliteral"
+			/* format extended above */
+			vlog(LOG_ERR, nfmt, ap);
+#pragma GCC diagnostic pop
+			free(nfmt);
+		}
+		va_end(ap);
+	}
+}
+
+void
+log_warnx(const char *emsg, ...)
+{
+	va_list	 ap;
+
+	va_start(ap, emsg);
+	vlog(LOG_ERR, emsg, ap);
+	va_end(ap);
+}
+
+void
+log_info(const char *emsg, ...)
+{
+	va_list	 ap;
+
+	va_start(ap, emsg);
+	vlog(LOG_INFO, emsg, ap);
+	va_end(ap);
+}
+
+void
+log_notice(const char *emsg, ...)
+{
+	va_list	 ap;
+
+	va_start(ap, emsg);
+	vlog(LOG_NOTICE, emsg, ap);
+	va_end(ap);
+}
+
+void
+log_debug(const char *emsg, ...)
+{
+	va_list	 ap;
+
+	va_start(ap, emsg);
+	vlog(LOG_DEBUG, emsg, ap);
+	va_end(ap);
+}
+
+void
+fatal(const char *emsg)
+{
+	if (emsg == NULL)
+		logit(LOG_CRIT, "fatal in %s: %s", log_procname, strerror(errno));
+	else
+		if (errno)
+			logit(LOG_CRIT, "fatal in %s: %s: %s",
+			    log_procname, emsg, strerror(errno));
+		else
+			logit(LOG_CRIT, "fatal in %s: %s", log_procname, emsg);
+
+	exit(1);
+}
+
+void
+fatalx(const char *emsg)
+{
+	errno = 0;
+	fatal(emsg);
+}