1 files changed, 137 insertions, 0 deletions
diff --git a/contrib/ipfilter/lib/save_syslog.c b/contrib/ipfilter/lib/save_syslog.c
new file mode 100644
index 0000000..c1efdf4
--- /dev/null
+++ b/contrib/ipfilter/lib/save_syslog.c
@@ -0,0 +1,137 @@
+#include "ipf.h"
+#include "ipmon.h"
+#include <syslog.h>
+
+static void *syslog_parse __P((char **));
+static void syslog_destroy __P((void *));
+static int syslog_send __P((void *, ipmon_msg_t *));
+static void syslog_print __P((void *));
+
+typedef struct syslog_opts_s {
+	int	facpri;
+	int	fac;
+	int	pri;
+} syslog_opts_t;
+
+ipmon_saver_t syslogsaver = {
+	"syslog",
+	syslog_destroy,
+	NULL,			/* dup */
+	NULL,			/* match */
+	syslog_parse,
+	syslog_print,
+	syslog_send
+};
+
+
+static void *
+syslog_parse(char **strings)
+{
+	syslog_opts_t *ctx;
+	char *str;
+	char *s;
+
+	ctx = calloc(1, sizeof(*ctx));
+	if (ctx == NULL)
+		return NULL;
+
+	ctx->facpri = -1;
+
+	if (strings[0] != NULL && strings[0][0] != '\0') {
+		str = strdup(*strings);
+		if (str != NULL && *str != '\0') {
+			int fac = -1, pri = -1;
+
+			s = strchr(str, '.');
+			if (s != NULL)
+				*s++ = '\0';
+
+			if (*str != '\0') {
+				fac = fac_findname(str);
+				if (fac == -1) {
+					free(str);
+					free(ctx);
+					return NULL;
+				}
+			}
+
+			if (s != NULL && *s != '\0') {
+				pri = pri_findname(s);
+				if (pri == -1) {
+					free(str);
+					free(ctx);
+					return NULL;
+				}
+			}
+			free(str);
+
+			ctx->fac = fac;
+			ctx->pri = pri;
+			if (pri == -1)
+				ctx->facpri = fac;
+			else if (fac == -1)
+				ctx->facpri = pri;
+			else
+				ctx->facpri = fac | pri;
+		} else {
+			if (str != NULL)
+				free(str);
+			free(ctx);
+			ctx = NULL;
+		}
+	}
+
+	return ctx;
+}
+
+
+static void
+syslog_print(ctx)
+	void *ctx;
+{
+	syslog_opts_t *sys = ctx;
+
+	if (sys->facpri == -1)
+		return;
+
+	if (sys->fac == -1) {
+		printf(".%s", pri_toname(sys->pri));
+	} else if (sys->pri == -1) {
+		printf("%s.", fac_toname(sys->fac));
+	} else {
+		printf("%s.%s", fac_toname(sys->facpri & LOG_FACMASK),
+		       pri_toname(sys->facpri & LOG_PRIMASK));
+	}
+}
+
+
+static void
+syslog_destroy(ctx)
+	void *ctx;
+{
+	free(ctx);
+}
+
+
+static int
+syslog_send(ctx, msg)
+	void *ctx;
+	ipmon_msg_t *msg;
+{
+	syslog_opts_t *sys = ctx;
+	int facpri;
+
+	if (sys->facpri == -1) {
+		facpri = msg->imm_loglevel;
+	} else {
+		if (sys->pri == -1) {
+			facpri = sys->fac | (msg->imm_loglevel & LOG_PRIMASK);
+		} else if (sys->fac == -1) {
+			facpri = sys->pri | (msg->imm_loglevel & LOG_FACMASK);
+		} else {
+			facpri = sys->facpri;
+		}
+	}
+	syslog(facpri, "%s", msg->imm_msg);
+	return 0;
+}