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https://github.com/Waujito/youtubeUnblock.git
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Specify dependencies libs explicitly.
Such setup is better for cross compilation. Also changed Makefile to properly make the project with these libraries.
This commit is contained in:
119
deps/libmnl/examples/rtnl/rtnl-addr-add.c
vendored
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119
deps/libmnl/examples/rtnl/rtnl-addr-add.c
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/* This example is placed in the public domain. */
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <time.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <strings.h>
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#include <net/if.h>
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#include <libmnl/libmnl.h>
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#include <linux/if_link.h>
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#include <linux/rtnetlink.h>
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int main(int argc, char *argv[])
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{
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struct mnl_socket *nl;
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char buf[MNL_SOCKET_BUFFER_SIZE];
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struct nlmsghdr *nlh;
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struct ifaddrmsg *ifm;
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uint32_t seq, portid;
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union {
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in_addr_t ip;
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struct in6_addr ip6;
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} addr;
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int ret, family = AF_INET;
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uint32_t prefix;
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int iface;
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if (argc <= 3) {
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printf("Usage: %s iface destination cidr\n", argv[0]);
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printf("Example: %s eth0 10.0.1.12 32\n", argv[0]);
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printf(" %s eth0 ffff::10.0.1.12 128\n", argv[0]);
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exit(EXIT_FAILURE);
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}
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iface = if_nametoindex(argv[1]);
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if (iface == 0) {
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perror("if_nametoindex");
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exit(EXIT_FAILURE);
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}
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if (!inet_pton(AF_INET, argv[2], &addr)) {
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if (!inet_pton(AF_INET6, argv[2], &addr)) {
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perror("inet_pton");
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exit(EXIT_FAILURE);
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}
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family = AF_INET6;
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}
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if (sscanf(argv[3], "%u", &prefix) == 0) {
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perror("sscanf");
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exit(EXIT_FAILURE);
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}
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nlh = mnl_nlmsg_put_header(buf);
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nlh->nlmsg_type = RTM_NEWADDR;
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nlh->nlmsg_flags = NLM_F_REQUEST | NLM_F_CREATE | NLM_F_REPLACE | NLM_F_ACK;
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nlh->nlmsg_seq = seq = time(NULL);
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ifm = mnl_nlmsg_put_extra_header(nlh, sizeof(struct ifaddrmsg));
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ifm->ifa_family = family;
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ifm->ifa_prefixlen = prefix;
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ifm->ifa_flags = IFA_F_PERMANENT;
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ifm->ifa_scope = RT_SCOPE_UNIVERSE;
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ifm->ifa_index = iface;
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/*
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* The exact meaning of IFA_LOCAL and IFA_ADDRESS depend
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* on the address family being used and the device type.
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* For broadcast devices (like the interfaces we use),
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* for IPv4 we specify both and they are used interchangeably.
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* For IPv6, only IFA_ADDRESS needs to be set.
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*/
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if (family == AF_INET) {
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mnl_attr_put_u32(nlh, IFA_LOCAL, addr.ip);
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mnl_attr_put_u32(nlh, IFA_ADDRESS, addr.ip);
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} else {
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mnl_attr_put(nlh, IFA_ADDRESS, sizeof(struct in6_addr), &addr);
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}
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nl = mnl_socket_open(NETLINK_ROUTE);
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if (nl == NULL) {
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perror("mnl_socket_open");
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exit(EXIT_FAILURE);
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}
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if (mnl_socket_bind(nl, 0, MNL_SOCKET_AUTOPID) < 0) {
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perror("mnl_socket_bind");
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exit(EXIT_FAILURE);
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}
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portid = mnl_socket_get_portid(nl);
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if (mnl_socket_sendto(nl, nlh, nlh->nlmsg_len) < 0) {
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perror("mnl_socket_sendto");
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exit(EXIT_FAILURE);
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}
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ret = mnl_socket_recvfrom(nl, buf, sizeof(buf));
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if (ret < 0) {
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perror("mnl_socket_recvfrom");
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exit(EXIT_FAILURE);
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}
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ret = mnl_cb_run(buf, ret, seq, portid, NULL, NULL);
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if (ret < 0) {
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perror("mnl_cb_run");
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exit(EXIT_FAILURE);
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}
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mnl_socket_close(nl);
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return 0;
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}
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