Patchfile für brd.c

 

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <syslog.h>
#include <fcntl.h>
#include <string.h>
#include <limits.h>
#include <sys/types.h>
#include <errno.h>
#include <net/br.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

static void brd_print(char*, struct fdb*);

int main(int argc, char **argv)
{
	int status;
	int fd;
	struct fdb req;

	openlog ("brd", LOG_PID | LOG_CONS, LOG_DAEMON);

	syslog(LOG_NOTICE, "Initializing, version %s\n", BRD_VERSION);

	fd = open("/dev/brd", O_RDWR);
	if (fd < 0) {
		syslog(LOG_CRIT, "cannot open /dev/brd: %m");
		exit(-1);
	}

	while (1) {
		status = read(fd, &req, sizeof(req));
		if (status < 0) {
			if (errno == EINTR)
				continue;
			syslog(LOG_CRIT, "cannot read from /dev/brd: %m");
			exit(-1);
		}
		if (status != sizeof(req))
		{
			syslog(LOG_CRIT, "read from /dev/brd returns %d",
				 status);
			exit(-1);
		}
		brd_print("UPDATE", &req);
	}

	return 0;
}

static void brd_print(char * type, struct fdb* request)
{
	unsigned short port=request->port;
	unsigned char *ula=request->ula;
	unsigned int timer=request->timer;
	unsigned int flags=request->flags;
	unsigned int vlan_id=request->vlan_id;


	fprintf(stderr, "Type: UPDATE,\n");
	fprintf(stderr, "Port: %i,\n", port);
	fprintf(stderr, "Mac:  %02x:%02x:%02x:%02x:%02x:%02x,\n",
		ula[0], ula[1], ula[2], ula[3], ula[4], ula[5]);
	fprintf(stderr, "v_id: %d,\n", vlan_id);
	fprintf(stderr, "Flag: %d,\n", flags);
	fprintf(stderr, "Updt: %d;\n\n", timer);
}