1 files changed, 54 insertions, 0 deletions
diff --git a/udp514-journal.c b/udp514-journal.c
new file mode 100644
index 0000000..005bb0d
--- /dev/null
+++ b/udp514-journal.c
@@ -0,0 +1,54 @@
+/*
+ * (C) 2018 by Christian Hesse <mail@eworm.de>
+ *
+ * This software may be used and distributed according to the terms
+ * of the GNU General Public License, incorporated herein by reference.
+ */
+
+#include "udp514-journal.h"
+
+int main(int argc, char **argv) {
+	int s, rc, n;
+	socklen_t len;
+	struct sockaddr_in cliAddr, servAddr;
+	char buffer[BUFFER_SIZE];
+	const int y = 1;
+
+	/* Socket erzeugen */
+	if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
+		perror("could not open socket");
+		return EXIT_FAILURE;
+	}
+
+	/* Lokalen Server Port bind(en) */
+	servAddr.sin_family = AF_INET;
+	servAddr.sin_addr.s_addr = htonl(INADDR_ANY);
+	servAddr.sin_port = htons(LOCAL_SERVER_PORT);
+	setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &y, sizeof(int));
+	if ((rc = bind(s, (struct sockaddr *) &servAddr, sizeof(servAddr))) < 0) {
+		perror("could not bind on port " LOCAL_SERVER_PORT_STR);
+		return EXIT_FAILURE;
+	}
+
+	/* tell systemd we are ready to go... */
+	sd_notify(0, "READY=1\nSTATUS=Listening for syslog input...");
+
+	/* server loop */
+	while (1) {
+		memset(buffer, 0, BUFFER_SIZE);
+		len = sizeof(cliAddr);
+		n = recvfrom(s, buffer, BUFFER_SIZE, 0,
+			(struct sockaddr *) &cliAddr, &len);
+		if (n < 0) {
+			perror("could not receive data");
+			continue;
+		}
+	
+		/* send to systemd-journald */
+		sd_journal_send("MESSAGE=%s: %s", inet_ntoa(cliAddr.sin_addr), buffer,
+			"IP_ADDRESS=%s", inet_ntoa(cliAddr.sin_addr),
+			NULL);
+	}
+
+	return EXIT_SUCCESS;
+}