コード例 #1
0
int netlink_get_interfaces(struct ifaces_list **iface_list)
{

	int fd;
	int seq;
	int status;

	*iface_list = NULL;

	*iface_list = calloc(sizeof(struct ifaces_list), 1);
	if(*iface_list == NULL) {
		return ENOMEM;
	}

	fd = netlink_socket(NETLINK_ROUTE);
	if(fd == -1) {
		dprintf("failed with netlink");
		return ERROR_NOT_SUPPORTED;
	}

	seq = netlink_request(fd, AF_UNSPEC, RTM_GETLINK);
	if(seq == -1) {
		dprintf("netlink_request RTM_GETLINK failed");
		close(fd);
		return ERROR_NOT_SUPPORTED;
	}

	// will create one iface_entry for each interface
	status = netlink_parse(fd, seq, netlink_parse_interface_link, iface_list);
	if(status != 0) {
        if (*iface_list)
		    free(*iface_list);
		*iface_list = NULL;
		return status;
	}

	seq = netlink_request(fd, AF_UNSPEC, RTM_GETADDR);
	if(seq == -1) {
		dprintf("netlink_request RTM_GETADDR failed");
		close(fd);
		return ERROR_NOT_SUPPORTED;
	}
	// for each interface created before, will get the IPv4 / IPv6 addr
	status = netlink_parse(fd, seq, netlink_parse_interface_address, iface_list);
	close(fd);
	if(status != 0) {
        if (*iface_list)
		    free(*iface_list);
		*iface_list = NULL;

	}

	return status;

}
コード例 #2
0
int netlink_get_routing_table(struct ipv4_routing_table **table_ipv4, struct ipv6_routing_table **table_ipv6)
{


	int fd;
	int seq;
	int status;
	struct routing_table table;

	*table_ipv4 = NULL;
	*table_ipv6 = NULL;
	table.table_ipv4 = table_ipv4;
	table.table_ipv6 = table_ipv6;


	*table_ipv4 = calloc(sizeof(struct ipv4_routing_table), 1);
	*table_ipv6 = calloc(sizeof(struct ipv6_routing_table), 1);
	if(*table_ipv4 == NULL) {
		return ENOMEM;
	}
	if(*table_ipv6 == NULL) {
        free(*table_ipv4);
		return ENOMEM;
	}

	fd = netlink_socket(NETLINK_ROUTE);
	if(fd == -1) {
		dprintf("failed with netlink");
		return ERROR_NOT_SUPPORTED;
	}

	seq = netlink_request(fd, AF_UNSPEC, RTM_GETROUTE);
	if(seq == -1) {
		dprintf("netlink_request RTM_GETROUTE failed");
		close(fd);
		return ERROR_NOT_SUPPORTED;
	}

	status = netlink_parse(fd, seq, netlink_parse_routing_table, &table);

	close(fd);

	if(status != 0) {
        if (*table_ipv4)
		    free(*table_ipv4);
        if (*table_ipv6)
		    free(*table_ipv6);
		*table_ipv4 = NULL;
		*table_ipv6 = NULL;
	}
	
	return status;
}
コード例 #3
0
ファイル: hack_monitor.c プロジェクト: rexrock/DemoApp
static int netlink_recv(int sock_fd, int *client_sockfd)
{
    int save_errno = 0;
    char buf[NLMSG_SIZE];
    while (1)
    {
        memset(buf, '\0', NLMSG_SIZE);
        struct nlmsghdr *nlh;
        struct sockaddr_nl snl;
        struct iovec iov = {buf, sizeof buf};
        struct msghdr msg = {(void *)&snl, sizeof snl, &iov, 1, NULL, 0, 0};
        int recvlen = recvmsg(sock_fd, &msg, 0);
        save_errno = errno;
        HACK_DEBUG(0, "receive msg success with recvlen = %d\n", recvlen);

        if (recvlen < 0)
        {
            HACK_DEBUG(9, "receive msg failed, %s", strerror(save_errno));
            if (save_errno == EINTR)
                continue;
            if (save_errno == EWOULDBLOCK || save_errno == EAGAIN)
                break;
            continue;
        }else if (recvlen == 0)
        {
            HACK_DEBUG(9, "receive end because of the peer has performed an orderly shutdown\n");
            return -1;
        }

        if (msg.msg_namelen != sizeof snl)
        {
            HACK_DEBUG(9, "Sender address length error: length %d", msg.msg_namelen);
            return -2;
        }
        
        nlh = (struct nlmsghdr *)buf;
        if (nlh->nlmsg_type == NLMSG_TYPE_HACK_EXECVE)
        {
            netlink_parse(nlh, client_sockfd);
        }
    }
    return 0;
}
コード例 #4
0
ファイル: netlink.c プロジェクト: Drewch/metasploit-framework
int netlink_get_ipv4_routing_table(struct ipv4_routing_table **table)
{
	*table = NULL;

	int fd;
	int seq;
	int status;

	*table = calloc(sizeof(struct ipv4_routing_table), 1);
	if(*table == NULL) {
		return ENOMEM;
	}

	fd = netlink_socket(NETLINK_ROUTE);
	if(fd == -1) {
		dprintf("[%s] failed with netlink", __FUNCTION__);
		return ERROR_NOT_SUPPORTED;
	}

	seq = netlink_request(fd, AF_INET, RTM_GETROUTE);
	if(seq == -1) {
		dprintf("[%s] netlink_request failed", __FUNCTION__);
		close(fd);
		return ERROR_NOT_SUPPORTED;
	}

	status = netlink_parse(fd, seq, netlink_parse_ipv4_routing_table, table);

	close(fd);

	if(status != 0 && *table) {
		free(*table);
		*table = NULL;
	}
	
	return status;
}