static int ipnetns_have_nsid(void)
{
struct {
struct nlmsghdr n;
struct rtgenmsg g;
char buf[1024];
} req;
int fd;
if (have_rtnl_getnsid < 0) {
memset(&req, 0, sizeof(req));
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtgenmsg));
req.n.nlmsg_flags = NLM_F_REQUEST;
req.n.nlmsg_type = RTM_GETNSID;
req.g.rtgen_family = AF_UNSPEC;
fd = open("/proc/self/ns/net", O_RDONLY);
if (fd < 0) {
perror("open(\"/proc/self/ns/net\")");
exit(1);
}
addattr32(&req.n, 1024, NETNSA_FD, fd);
if (rtnl_send(&rth, &req.n, req.n.nlmsg_len) < 0) {
perror("request send failed");
exit(1);
}
rtnl_listen(&rth, ipnetns_accept_msg, NULL);
close(fd);
}
return have_rtnl_getnsid;
}
static int do_show(int argc, char **argv)
{
struct {
struct nlmsghdr n;
struct netconfmsg ncm;
char buf[1024];
} req;
ipnetconf_reset_filter(0);
filter.family = preferred_family;
if (filter.family == AF_UNSPEC)
filter.family = AF_INET;
while (argc > 0) {
if (strcmp(*argv, "dev") == 0) {
NEXT_ARG();
filter.ifindex = ll_name_to_index(*argv);
if (filter.ifindex <= 0) {
fprintf(stderr, "Device \"%s\" does not exist.\n",
*argv);
return -1;
}
}
argv++; argc--;
}
ll_init_map(&rth);
if (filter.ifindex) {
memset(&req, 0, sizeof(req));
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct netconfmsg));
req.n.nlmsg_flags = NLM_F_REQUEST|NLM_F_ACK;
req.n.nlmsg_type = RTM_GETNETCONF;
req.ncm.ncm_family = filter.family;
if (filter.ifindex)
addattr_l(&req.n, sizeof(req), NETCONFA_IFINDEX,
&filter.ifindex, sizeof(filter.ifindex));
if (rtnl_send(&rth, &req.n, req.n.nlmsg_len) < 0) {
perror("Can not send request");
exit(1);
}
rtnl_listen(&rth, print_netconf, stdout);
} else {
dump:
if (rtnl_wilddump_request(&rth, filter.family, RTM_GETNETCONF) < 0) {
perror("Cannot send dump request");
exit(1);
}
if (rtnl_dump_filter(&rth, print_netconf2, stdout) < 0) {
fprintf(stderr, "Dump terminated\n");
exit(1);
}
if (preferred_family == AF_UNSPEC) {
preferred_family = AF_INET6;
filter.family = AF_INET6;
goto dump;
}
}
return 0;
}
static int
iplink_have_newlink(void)
{
struct iplink_req req;
struct softgred_config *cfg = softgred_config_ref();
if (have_rtnl_newlink < 0)
{
memset(&req, 0, sizeof(req));
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
req.n.nlmsg_flags = NLM_F_REQUEST|NLM_F_ACK;
req.n.nlmsg_type = RTM_NEWLINK;
req.i.ifi_family = AF_UNSPEC;
if (rtnl_send(&cfg->rth, &req.n, req.n.nlmsg_len) < 0)
{
perror("request send failed");
exit(1);
}
rtnl_listen(&cfg->rth, accept_msg, NULL);
}
return have_rtnl_newlink;
}
static inline void br_ev_handler(uint32_t events, struct epoll_event_handler *h)
{
if(rtnl_listen(&rth, dump_msg, stdout) < 0)
{
fprintf(stderr, "Error on bridge monitoring socket\n");
exit(-1);
}
}
int do_monitor(int argc, char **argv)
{
char *file = NULL;
unsigned groups = ~RTMGRP_TC;
int llink=0;
int lneigh=0;
rtnl_close(&rth);
while (argc > 0) {
if (matches(*argv, "file") == 0) {
NEXT_ARG();
file = *argv;
} else if (matches(*argv, "link") == 0) {
llink=1;
groups = 0;
} else if (matches(*argv, "fdb") == 0) {
lneigh = 1;
groups = 0;
} else if (strcmp(*argv, "all") == 0) {
groups = ~RTMGRP_TC;
prefix_banner=1;
} else if (matches(*argv, "help") == 0) {
usage();
} else {
fprintf(stderr, "Argument \"%s\" is unknown, try \"bridge monitor help\".\n", *argv);
exit(-1);
}
argc--; argv++;
}
if (llink)
groups |= nl_mgrp(RTNLGRP_LINK);
if (lneigh) {
groups |= nl_mgrp(RTNLGRP_NEIGH);
}
if (file) {
FILE *fp;
fp = fopen(file, "r");
if (fp == NULL) {
perror("Cannot fopen");
exit(-1);
}
return rtnl_from_file(fp, accept_msg, stdout);
}
if (rtnl_open(&rth, groups) < 0)
exit(1);
ll_init_map(&rth);
if (rtnl_listen(&rth, accept_msg, stdout) < 0)
exit(2);
return 0;
}
int test_look_interface_changes(){
struct rtnl_handle rth;
if (rtnl_open(&rth, RTNLGRP_LINK) < 0){
printf("cannot open rtnetlink\n");
return -1;
}
int status = rtnl_listen(&rth,test_handle,0);
rtnl_close(&rth);
return status;
}
int look_interface_changes(){
if (rtnl_open(&rtnl_interface, RTNLGRP_LINK) < 0){
printf("cannot open rtnetlink\n");
return -1;
}
int status = rtnl_listen(&rtnl_interface,handle,0);
rtnl_close(&rtnl_interface);
printf("RTNL OFF\n");
return status;
}
static int ctrl_listen(int argc, char **argv)
{
struct rtnl_handle rth;
if (rtnl_open_byproto(&rth, nl_mgrp(GENL_ID_CTRL), NETLINK_GENERIC) < 0) {
fprintf(stderr, "Canot open generic netlink socket\n");
return -1;
}
if (rtnl_listen(&rth, print_ctrl, (void *) stdout) < 0)
return -1;
return 0;
}
int do_xfrm_monitor(int argc, char **argv)
{
struct rtnl_handle rth;
char *file = NULL;
unsigned groups = ~((unsigned)0); /* XXX */
int lacquire=0;
int lexpire=0;
while (argc > 0) {
if (matches(*argv, "file") == 0) {
NEXT_ARG();
file = *argv;
} else if (matches(*argv, "acquire") == 0) {
lacquire=1;
groups = 0;
} else if (matches(*argv, "expire") == 0) {
lexpire=1;
groups = 0;
} else if (matches(*argv, "help") == 0) {
usage();
} else {
fprintf(stderr, "Argument \"%s\" is unknown, try \"ip xfrm monitor help\".\n", *argv);
exit(-1);
}
argc--; argv++;
}
if (lacquire)
groups |= XFRMGRP_ACQUIRE;
if (lexpire)
groups |= XFRMGRP_EXPIRE;
if (file) {
FILE *fp;
fp = fopen(file, "r");
if (fp == NULL) {
perror("Cannot fopen");
exit(-1);
}
return rtnl_from_file(fp, xfrm_accept_msg, (void*)stdout);
}
//ll_init_map(&rth);
if (rtnl_listen(&rth, xfrm_accept_msg, (void*)stdout) < 0)
exit(2);
return 0;
}
int do_tcmonitor(int argc, char **argv)
{
struct rtnl_handle rth;
char *file = NULL;
unsigned groups = nl_mgrp(RTNLGRP_TC);
while (argc > 0) {
if (matches(*argv, "file") == 0) {
NEXT_ARG();
file = *argv;
} else {
if (matches(*argv, "help") == 0) {
usage();
} else {
fprintf(stderr, "Argument \"%s\" is unknown, try \"tc monitor help\".\n", *argv);
exit(-1);
}
}
argc--; argv++;
}
if (file) {
FILE *fp;
fp = fopen(file, "r");
if (fp == NULL) {
perror("Cannot fopen");
exit(-1);
}
return rtnl_from_file(fp, accept_tcmsg, (void*)stdout);
}
if (rtnl_open(&rth, groups) < 0)
exit(1);
ll_init_map(&rth);
if (rtnl_listen(&rth, accept_tcmsg, (void*)stdout) < 0) {
rtnl_close(&rth);
exit(2);
}
rtnl_close(&rth);
exit(0);
}
static int iplink_have_newlink(void)
{
struct {
struct nlmsghdr n;
struct ifinfomsg i;
char buf[1024];
} req = {
.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)),
.n.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK,
.n.nlmsg_type = RTM_NEWLINK,
.i.ifi_family = AF_UNSPEC,
};
if (have_rtnl_newlink < 0) {
if (rtnl_send(&rth, &req.n, req.n.nlmsg_len) < 0) {
perror("request send failed");
exit(1);
}
rtnl_listen(&rth, accept_msg, NULL);
}
return have_rtnl_newlink;
}
#else /* IPLINK_IOCTL_COMPAT */
static int iplink_have_newlink(void)
{
return 1;
}
#endif /* ! IPLINK_IOCTL_COMPAT */
static int nl_get_ll_addr_len(unsigned int dev_index)
{
int len;
struct iplink_req req = {
.n = {
.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)),
.nlmsg_type = RTM_GETLINK,
.nlmsg_flags = NLM_F_REQUEST
},
.i = {
.ifi_family = preferred_family,
.ifi_index = dev_index,
}
};
static int iplink_have_newlink(void)
{
struct {
struct nlmsghdr n;
struct ifinfomsg i;
char buf[1024];
} req;
if (have_rtnl_newlink < 0) {
memset(&req, 0, sizeof(req));
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
req.n.nlmsg_flags = NLM_F_REQUEST|NLM_F_ACK;
req.n.nlmsg_type = RTM_NEWLINK;
req.i.ifi_family = AF_UNSPEC;
rtnl_send(&rth, &req.n, req.n.nlmsg_len);
rtnl_listen(&rth, accept_msg, NULL);
}
return have_rtnl_newlink;
}
int do_xfrm_monitor(int argc, char **argv)
{
char *file = NULL;
unsigned int groups = ~((unsigned)0); /* XXX */
int lacquire = 0;
int lexpire = 0;
int laevent = 0;
int lpolicy = 0;
int lsa = 0;
int lreport = 0;
rtnl_close(&rth);
while (argc > 0) {
if (matches(*argv, "file") == 0) {
NEXT_ARG();
file = *argv;
} else if (matches(*argv, "all-nsid") == 0) {
listen_all_nsid = 1;
} else if (matches(*argv, "acquire") == 0) {
lacquire = 1;
groups = 0;
} else if (matches(*argv, "expire") == 0) {
lexpire = 1;
groups = 0;
} else if (matches(*argv, "SA") == 0) {
lsa = 1;
groups = 0;
} else if (matches(*argv, "aevent") == 0) {
laevent = 1;
groups = 0;
} else if (matches(*argv, "policy") == 0) {
lpolicy = 1;
groups = 0;
} else if (matches(*argv, "report") == 0) {
lreport = 1;
groups = 0;
} else if (matches(*argv, "help") == 0) {
usage();
} else if (strcmp(*argv, "all")) {
fprintf(stderr, "Argument \"%s\" is unknown, try \"ip xfrm monitor help\".\n", *argv);
exit(-1);
}
argc--; argv++;
}
if (lacquire)
groups |= nl_mgrp(XFRMNLGRP_ACQUIRE);
if (lexpire)
groups |= nl_mgrp(XFRMNLGRP_EXPIRE);
if (lsa)
groups |= nl_mgrp(XFRMNLGRP_SA);
if (lpolicy)
groups |= nl_mgrp(XFRMNLGRP_POLICY);
if (laevent)
groups |= nl_mgrp(XFRMNLGRP_AEVENTS);
if (lreport)
groups |= nl_mgrp(XFRMNLGRP_REPORT);
if (file) {
FILE *fp;
int err;
fp = fopen(file, "r");
if (fp == NULL) {
perror("Cannot fopen");
exit(-1);
}
err = rtnl_from_file(fp, xfrm_accept_msg, stdout);
fclose(fp);
return err;
}
if (rtnl_open_byproto(&rth, groups, NETLINK_XFRM) < 0)
exit(1);
if (listen_all_nsid && rtnl_listen_all_nsid(&rth) < 0)
exit(1);
if (rtnl_listen(&rth, xfrm_accept_msg, (void *)stdout) < 0)
exit(2);
return 0;
}
int
main(int argc, char **argv)
{
FILE *fp;
struct rtnl_handle rth;
int family = AF_UNSPEC;
unsigned groups = ~0U;
int llink = 0;
int laddr = 0;
int lroute = 0;
char *file = NULL;
while (argc > 1) {
if (matches(argv[1], "-family") == 0) {
argc--;
argv++;
if (argc <= 1)
usage();
if (strcmp(argv[1], "inet") == 0)
family = AF_INET;
else if (strcmp(argv[1], "inet6") == 0)
family = AF_INET6;
else if (strcmp(argv[1], "link") == 0)
family = AF_INET6;
else if (strcmp(argv[1], "help") == 0)
usage();
else {
fprintf(stderr, "Protocol ID \"%s\" is unknown, try \"rtmon help\".\n", argv[1]);
exit(-1);
}
} else if (strcmp(argv[1], "-4") == 0) {
family = AF_INET;
} else if (strcmp(argv[1], "-6") == 0) {
family = AF_INET6;
} else if (strcmp(argv[1], "-0") == 0) {
family = AF_PACKET;
} else if (matches(argv[1], "-Version") == 0) {
printf("rtmon utility, iproute2-ss%s\n", SNAPSHOT);
exit(0);
} else if (matches(argv[1], "file") == 0) {
argc--;
argv++;
if (argc <= 1)
usage();
file = argv[1];
} else if (matches(argv[1], "link") == 0) {
llink=1;
groups = 0;
} else if (matches(argv[1], "address") == 0) {
laddr=1;
groups = 0;
} else if (matches(argv[1], "route") == 0) {
lroute=1;
groups = 0;
} else if (strcmp(argv[1], "all") == 0) {
groups = ~0U;
} else if (matches(argv[1], "help") == 0) {
usage();
} else {
fprintf(stderr, "Argument \"%s\" is unknown, try \"rtmon help\".\n", argv[1]);
exit(-1);
}
argc--; argv++;
}
if (file == NULL) {
fprintf(stderr, "Not enough information: argument \"file\" is required\n");
exit(-1);
}
if (llink)
groups |= nl_mgrp(RTNLGRP_LINK);
if (laddr) {
if (!family || family == AF_INET)
groups |= nl_mgrp(RTNLGRP_IPV4_IFADDR);
if (!family || family == AF_INET6)
groups |= nl_mgrp(RTNLGRP_IPV6_IFADDR);
}
if (lroute) {
if (!family || family == AF_INET)
groups |= nl_mgrp(RTNLGRP_IPV4_ROUTE);
if (!family || family == AF_INET6)
groups |= nl_mgrp(RTNLGRP_IPV6_ROUTE);
}
fp = fopen(file, "w");
if (fp == NULL) {
perror("Cannot fopen");
exit(-1);
}
if (rtnl_open(&rth, groups) < 0)
exit(1);
if (rtnl_wilddump_request(&rth, AF_UNSPEC, RTM_GETLINK) < 0) {
perror("Cannot send dump request");
exit(1);
}
write_stamp(fp);
if (rtnl_dump_filter(&rth, dump_msg, fp, NULL, NULL) < 0) {
fprintf(stderr, "Dump terminated\n");
return 1;
}
init_phase = 0;
if (rtnl_listen(&rth, dump_msg, (void*)fp) < 0)
exit(2);
exit(0);
}
static int do_show(int argc, char **argv)
{
struct {
struct nlmsghdr n;
struct netconfmsg ncm;
char buf[1024];
} req = {
.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct netconfmsg)),
.n.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK,
.n.nlmsg_type = RTM_GETNETCONF,
};
ipnetconf_reset_filter(0);
filter.family = preferred_family;
while (argc > 0) {
if (strcmp(*argv, "dev") == 0) {
NEXT_ARG();
filter.ifindex = ll_name_to_index(*argv);
if (filter.ifindex <= 0) {
fprintf(stderr, "Device \"%s\" does not exist.\n",
*argv);
return -1;
}
}
argv++; argc--;
}
ll_init_map(&rth);
if (filter.ifindex && filter.family != AF_UNSPEC) {
req.ncm.ncm_family = filter.family;
addattr_l(&req.n, sizeof(req), NETCONFA_IFINDEX,
&filter.ifindex, sizeof(filter.ifindex));
if (rtnl_send(&rth, &req.n, req.n.nlmsg_len) < 0) {
perror("Can not send request");
exit(1);
}
rtnl_listen(&rth, print_netconf, stdout);
} else {
rth.flags = RTNL_HANDLE_F_SUPPRESS_NLERR;
dump:
if (rtnl_wilddump_request(&rth, filter.family, RTM_GETNETCONF) < 0) {
perror("Cannot send dump request");
exit(1);
}
if (rtnl_dump_filter(&rth, print_netconf2, stdout) < 0) {
/* kernel does not support netconf dump on AF_UNSPEC;
* fall back to requesting by family
*/
if (errno == EOPNOTSUPP &&
filter.family == AF_UNSPEC) {
filter.family = AF_INET;
goto dump;
}
perror("RTNETLINK answers");
fprintf(stderr, "Dump terminated\n");
exit(1);
}
if (preferred_family == AF_UNSPEC && filter.family == AF_INET) {
preferred_family = AF_INET6;
filter.family = AF_INET6;
goto dump;
}
}
return 0;
}
int do_ipnetconf(int argc, char **argv)
{
if (argc > 0) {
if (matches(*argv, "show") == 0 ||
matches(*argv, "lst") == 0 ||
matches(*argv, "list") == 0)
return do_show(argc-1, argv+1);
if (matches(*argv, "help") == 0)
usage();
} else
return do_show(0, NULL);
fprintf(stderr, "Command \"%s\" is unknown, try \"ip netconf help\".\n", *argv);
exit(-1);
}
int do_ipmonitor(int argc, char **argv)
{
struct rtnl_handle rth;
char *file = NULL;
unsigned groups = ~RTMGRP_TC;
int llink=0;
int laddr=0;
int lroute=0;
ipaddr_reset_filter(1);
iproute_reset_filter();
ipneigh_reset_filter();
while (argc > 0) {
if (matches(*argv, "file") == 0) {
NEXT_ARG();
file = *argv;
} else if (matches(*argv, "link") == 0) {
llink=1;
groups = 0;
} else if (matches(*argv, "address") == 0) {
laddr=1;
groups = 0;
} else if (matches(*argv, "route") == 0) {
lroute=1;
groups = 0;
} else if (strcmp(*argv, "all") == 0) {
groups = ~RTMGRP_TC;
} else if (matches(*argv, "help") == 0) {
usage();
} else {
fprintf(stderr, "Argument \"%s\" is unknown, try \"ip monitor help\".\n", *argv);
exit(-1);
}
argc--; argv++;
}
if (llink)
groups |= RTMGRP_LINK;
if (laddr) {
if (!preferred_family || preferred_family == AF_INET)
groups |= RTMGRP_IPV4_IFADDR;
if (!preferred_family || preferred_family == AF_INET6)
groups |= RTMGRP_IPV6_IFADDR;
}
if (lroute) {
if (!preferred_family || preferred_family == AF_INET)
groups |= RTMGRP_IPV4_ROUTE;
if (!preferred_family || preferred_family == AF_INET6)
groups |= RTMGRP_IPV6_ROUTE;
}
if (file) {
FILE *fp;
fp = fopen(file, "r");
if (fp == NULL) {
perror("Cannot fopen");
exit(-1);
}
return rtnl_from_file(fp, accept_msg, (void*)stdout);
}
if (rtnl_open(&rth, groups) < 0)
exit(1);
ll_init_map(&rth);
if (rtnl_listen(&rth, accept_msg, (void*)stdout) < 0)
exit(2);
exit(0);
}
static int ctrl_list(int cmd, int argc, char **argv)
{
struct rtnl_handle rth;
int ret = -1;
char d[GENL_NAMSIZ];
struct {
struct nlmsghdr n;
struct genlmsghdr g;
char buf[4096];
} req = {
.n.nlmsg_len = NLMSG_LENGTH(GENL_HDRLEN),
.n.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK,
.n.nlmsg_type = GENL_ID_CTRL,
.g.cmd = CTRL_CMD_GETFAMILY,
};
struct nlmsghdr *nlh = &req.n;
if (rtnl_open_byproto(&rth, 0, NETLINK_GENERIC) < 0) {
fprintf(stderr, "Cannot open generic netlink socket\n");
exit(1);
}
if (cmd == CTRL_CMD_GETFAMILY) {
if (argc != 2) {
fprintf(stderr, "Wrong number of params\n");
return -1;
}
if (matches(*argv, "name") == 0) {
NEXT_ARG();
strncpy(d, *argv, sizeof (d) - 1);
addattr_l(nlh, 128, CTRL_ATTR_FAMILY_NAME,
d, strlen(d) + 1);
} else if (matches(*argv, "id") == 0) {
__u16 id;
NEXT_ARG();
if (get_u16(&id, *argv, 0)) {
fprintf(stderr, "Illegal \"id\"\n");
goto ctrl_done;
}
addattr_l(nlh, 128, CTRL_ATTR_FAMILY_ID, &id, 2);
} else {
fprintf(stderr, "Wrong params\n");
goto ctrl_done;
}
if (rtnl_talk(&rth, nlh, nlh, sizeof(req)) < 0) {
fprintf(stderr, "Error talking to the kernel\n");
goto ctrl_done;
}
if (print_ctrl2(NULL, nlh, (void *) stdout) < 0) {
fprintf(stderr, "Dump terminated\n");
goto ctrl_done;
}
}
if (cmd == CTRL_CMD_UNSPEC) {
nlh->nlmsg_flags = NLM_F_ROOT|NLM_F_MATCH|NLM_F_REQUEST;
nlh->nlmsg_seq = rth.dump = ++rth.seq;
if (rtnl_send(&rth, nlh, nlh->nlmsg_len) < 0) {
perror("Failed to send dump request\n");
goto ctrl_done;
}
rtnl_dump_filter(&rth, print_ctrl2, stdout);
}
ret = 0;
ctrl_done:
rtnl_close(&rth);
return ret;
}
static int ctrl_listen(int argc, char **argv)
{
struct rtnl_handle rth;
if (rtnl_open_byproto(&rth, nl_mgrp(GENL_ID_CTRL), NETLINK_GENERIC) < 0) {
fprintf(stderr, "Canot open generic netlink socket\n");
return -1;
}
if (rtnl_listen(&rth, print_ctrl, (void *) stdout) < 0)
return -1;
return 0;
}
static int parse_ctrl(struct genl_util *a, int argc, char **argv)
{
argv++;
if (--argc <= 0) {
fprintf(stderr, "wrong controller params\n");
return -1;
}
if (matches(*argv, "monitor") == 0)
return ctrl_listen(argc-1, argv+1);
if (matches(*argv, "get") == 0)
return ctrl_list(CTRL_CMD_GETFAMILY, argc-1, argv+1);
if (matches(*argv, "list") == 0 ||
matches(*argv, "show") == 0 ||
matches(*argv, "lst") == 0)
return ctrl_list(CTRL_CMD_UNSPEC, argc-1, argv+1);
if (matches(*argv, "help") == 0)
return usage();
fprintf(stderr, "ctrl command \"%s\" is unknown, try \"ctrl help\".\n",
*argv);
return -1;
}
int do_ipmonitor(int argc, char **argv)
{
char *file = NULL;
unsigned groups = ~RTMGRP_TC;
int llink=0;
int laddr=0;
int lroute=0;
int lprefix=0;
int lneigh=0;
rtnl_close(&rth);
ipaddr_reset_filter(1);
iproute_reset_filter();
ipneigh_reset_filter();
while (argc > 0) {
if (matches(*argv, "file") == 0) {
NEXT_ARG();
file = *argv;
} else if (matches(*argv, "link") == 0) {
llink=1;
groups = 0;
} else if (matches(*argv, "address") == 0) {
laddr=1;
groups = 0;
} else if (matches(*argv, "route") == 0) {
lroute=1;
groups = 0;
} else if (matches(*argv, "prefix") == 0) {
lprefix=1;
groups = 0;
} else if (matches(*argv, "neigh") == 0) {
lneigh = 1;
groups = 0;
} else if (strcmp(*argv, "all") == 0) {
groups = ~RTMGRP_TC;
prefix_banner=1;
} else if (matches(*argv, "help") == 0) {
usage();
} else {
fprintf(stderr, "Argument \"%s\" is unknown, try \"ip monitor help\".\n", *argv);
exit(-1);
}
argc--; argv++;
}
if (llink)
groups |= nl_mgrp(RTNLGRP_LINK);
if (laddr) {
if (!preferred_family || preferred_family == AF_INET)
groups |= nl_mgrp(RTNLGRP_IPV4_IFADDR);
if (!preferred_family || preferred_family == AF_INET6)
groups |= nl_mgrp(RTNLGRP_IPV6_IFADDR);
}
if (lroute) {
if (!preferred_family || preferred_family == AF_INET)
groups |= nl_mgrp(RTNLGRP_IPV4_ROUTE);
if (!preferred_family || preferred_family == AF_INET6)
groups |= nl_mgrp(RTNLGRP_IPV6_ROUTE);
}
if (lprefix) {
if (!preferred_family || preferred_family == AF_INET6)
groups |= nl_mgrp(RTNLGRP_IPV6_PREFIX);
}
if (lneigh) {
groups |= nl_mgrp(RTNLGRP_NEIGH);
}
if (file) {
FILE *fp;
fp = fopen(file, "r");
if (fp == NULL) {
perror("Cannot fopen");
exit(-1);
}
return rtnl_from_file(fp, accept_msg, stdout);
}
if (rtnl_open(&rth, groups) < 0)
exit(1);
ll_init_map(&rth);
if (rtnl_listen(&rth, accept_msg, stdout) < 0)
exit(2);
return 0;
}
int do_ipmonitor(int argc, char **argv)
{
char *file = NULL;
unsigned int groups = 0;
int llink = 0;
int laddr = 0;
int lroute = 0;
int lmroute = 0;
int lprefix = 0;
int lneigh = 0;
int lnetconf = 0;
int lrule = 0;
int lnsid = 0;
int ifindex = 0;
groups |= nl_mgrp(RTNLGRP_LINK);
groups |= nl_mgrp(RTNLGRP_IPV4_IFADDR);
groups |= nl_mgrp(RTNLGRP_IPV6_IFADDR);
groups |= nl_mgrp(RTNLGRP_IPV4_ROUTE);
groups |= nl_mgrp(RTNLGRP_IPV6_ROUTE);
groups |= nl_mgrp(RTNLGRP_MPLS_ROUTE);
groups |= nl_mgrp(RTNLGRP_IPV4_MROUTE);
groups |= nl_mgrp(RTNLGRP_IPV6_MROUTE);
groups |= nl_mgrp(RTNLGRP_IPV6_PREFIX);
groups |= nl_mgrp(RTNLGRP_NEIGH);
groups |= nl_mgrp(RTNLGRP_IPV4_NETCONF);
groups |= nl_mgrp(RTNLGRP_IPV6_NETCONF);
groups |= nl_mgrp(RTNLGRP_IPV4_RULE);
groups |= nl_mgrp(RTNLGRP_IPV6_RULE);
groups |= nl_mgrp(RTNLGRP_NSID);
groups |= nl_mgrp(RTNLGRP_MPLS_NETCONF);
rtnl_close(&rth);
while (argc > 0) {
if (matches(*argv, "file") == 0) {
NEXT_ARG();
file = *argv;
} else if (matches(*argv, "label") == 0) {
prefix_banner = 1;
} else if (matches(*argv, "link") == 0) {
llink = 1;
groups = 0;
} else if (matches(*argv, "address") == 0) {
laddr = 1;
groups = 0;
} else if (matches(*argv, "route") == 0) {
lroute = 1;
groups = 0;
} else if (matches(*argv, "mroute") == 0) {
lmroute = 1;
groups = 0;
} else if (matches(*argv, "prefix") == 0) {
lprefix = 1;
groups = 0;
} else if (matches(*argv, "neigh") == 0) {
lneigh = 1;
groups = 0;
} else if (matches(*argv, "netconf") == 0) {
lnetconf = 1;
groups = 0;
} else if (matches(*argv, "rule") == 0) {
lrule = 1;
groups = 0;
} else if (matches(*argv, "nsid") == 0) {
lnsid = 1;
groups = 0;
} else if (strcmp(*argv, "all") == 0) {
prefix_banner = 1;
} else if (matches(*argv, "all-nsid") == 0) {
listen_all_nsid = 1;
} else if (matches(*argv, "help") == 0) {
usage();
} else if (strcmp(*argv, "dev") == 0) {
NEXT_ARG();
ifindex = ll_name_to_index(*argv);
if (!ifindex)
invarg("Device does not exist\n", *argv);
} else {
fprintf(stderr, "Argument \"%s\" is unknown, try \"ip monitor help\".\n", *argv);
exit(-1);
}
argc--; argv++;
}
ipaddr_reset_filter(1, ifindex);
iproute_reset_filter(ifindex);
ipmroute_reset_filter(ifindex);
ipneigh_reset_filter(ifindex);
ipnetconf_reset_filter(ifindex);
if (llink)
groups |= nl_mgrp(RTNLGRP_LINK);
if (laddr) {
if (!preferred_family || preferred_family == AF_INET)
groups |= nl_mgrp(RTNLGRP_IPV4_IFADDR);
if (!preferred_family || preferred_family == AF_INET6)
groups |= nl_mgrp(RTNLGRP_IPV6_IFADDR);
}
if (lroute) {
if (!preferred_family || preferred_family == AF_INET)
groups |= nl_mgrp(RTNLGRP_IPV4_ROUTE);
if (!preferred_family || preferred_family == AF_INET6)
groups |= nl_mgrp(RTNLGRP_IPV6_ROUTE);
if (!preferred_family || preferred_family == AF_MPLS)
groups |= nl_mgrp(RTNLGRP_MPLS_ROUTE);
}
if (lmroute) {
if (!preferred_family || preferred_family == AF_INET)
groups |= nl_mgrp(RTNLGRP_IPV4_MROUTE);
if (!preferred_family || preferred_family == AF_INET6)
groups |= nl_mgrp(RTNLGRP_IPV6_MROUTE);
}
if (lprefix) {
if (!preferred_family || preferred_family == AF_INET6)
groups |= nl_mgrp(RTNLGRP_IPV6_PREFIX);
}
if (lneigh) {
groups |= nl_mgrp(RTNLGRP_NEIGH);
}
if (lnetconf) {
if (!preferred_family || preferred_family == AF_INET)
groups |= nl_mgrp(RTNLGRP_IPV4_NETCONF);
if (!preferred_family || preferred_family == AF_INET6)
groups |= nl_mgrp(RTNLGRP_IPV6_NETCONF);
if (!preferred_family || preferred_family == AF_MPLS)
groups |= nl_mgrp(RTNLGRP_MPLS_NETCONF);
}
if (lrule) {
if (!preferred_family || preferred_family == AF_INET)
groups |= nl_mgrp(RTNLGRP_IPV4_RULE);
if (!preferred_family || preferred_family == AF_INET6)
groups |= nl_mgrp(RTNLGRP_IPV6_RULE);
}
if (lnsid) {
groups |= nl_mgrp(RTNLGRP_NSID);
}
if (file) {
FILE *fp;
int err;
fp = fopen(file, "r");
if (fp == NULL) {
perror("Cannot fopen");
exit(-1);
}
err = rtnl_from_file(fp, accept_msg, stdout);
fclose(fp);
return err;
}
if (rtnl_open(&rth, groups) < 0)
exit(1);
if (listen_all_nsid && rtnl_listen_all_nsid(&rth) < 0)
exit(1);
ll_init_map(&rth);
netns_nsid_socket_init();
netns_map_init();
if (rtnl_listen(&rth, accept_msg, stdout) < 0)
exit(2);
return 0;
}
