Import ax25-tools 0.0.1 from tarballax25-tools-0.0.1

1 files changed, 76 insertions, 0 deletions

diff --git a/tcpip/rip98t.c b/tcpip/rip98t.c
new file mode 100644
index 0000000..c227fc4
--- /dev/null
+++ b/tcpip/rip98t.c
@@ -0,0 +1,76 @@
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <syslog.h>
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+
+#include <netinet/in.h>
+
+#include <arpa/inet.h>
+
+#include "rip98d.h"
+
+static int build_header(unsigned char *message)
+{
+	message[0] = RIPCMD_RESPONSE;
+	message[1] = RIP_VERSION_98;
+
+	message[2] = 0;
+	message[3] = 0;
+
+	return RIP98_HEADER;
+}
+
+
+void transmit_routes(int s)
+{
+	unsigned char message[500];
+	struct route_struct *route;
+	struct sockaddr_in rem_addr;
+	int mess_len;
+	int size;
+	int i;
+
+	size = sizeof(struct sockaddr_in);
+
+	for (i = 0; i < dest_count; i++) {
+
+		if (debug && logging)
+			syslog(LOG_DEBUG, "transmit_routes: sending routing message to %s\n", inet_ntoa(dest_list[i].dest_addr));
+
+		bzero((char *)&rem_addr, sizeof(rem_addr));
+		rem_addr.sin_family = AF_INET;
+		rem_addr.sin_addr   = dest_list[i].dest_addr;
+		rem_addr.sin_port   = htons(RIP_PORT);		
+
+		route = first_route;
+
+		while (route != NULL) {
+
+			mess_len = build_header(message);
+
+			while (mess_len < 184 && route != NULL) {
+				if (route->action != DEL_ROUTE) {
+					bcopy((char *)&route->addr, message + mess_len + 0, sizeof(struct in_addr));
+					message[mess_len + 4] = route->bits;
+					message[mess_len + 5] = route->metric;
+				
+					mess_len += RIP98_ENTRY;
+				}
+
+				route = route->next;
+			}
+
+			if (mess_len > RIP98_HEADER) {
+				if (sendto(s, message, mess_len, 0, (struct sockaddr *)&rem_addr, size) < 0) {
+					if (logging)
+						syslog(LOG_ERR, "sendto: %m");
+				}
+			}
+		}
+	}
+}