static int do_show_or_flush(int argc, char **argv, int flush)
{
char *filter_dev = NULL;
int state_given = 0;
ipneigh_reset_filter(0);
if (!filter.family)
filter.family = preferred_family;
if (flush) {
if (argc <= 0) {
fprintf(stderr, "Flush requires arguments.\n");
return -1;
}
filter.state = ~(NUD_PERMANENT|NUD_NOARP);
} else
filter.state = 0xFF & ~NUD_NOARP;
while (argc > 0) {
if (strcmp(*argv, "dev") == 0) {
NEXT_ARG();
if (filter_dev)
duparg("dev", *argv);
filter_dev = *argv;
} else if (strcmp(*argv, "master") == 0) {
int ifindex;
NEXT_ARG();
ifindex = ll_name_to_index(*argv);
if (!ifindex)
invarg("Device does not exist\n", *argv);
filter.master = ifindex;
} else if (strcmp(*argv, "vrf") == 0) {
int ifindex;
NEXT_ARG();
ifindex = ll_name_to_index(*argv);
if (!ifindex)
invarg("Not a valid VRF name\n", *argv);
if (!name_is_vrf(*argv))
invarg("Not a valid VRF name\n", *argv);
filter.master = ifindex;
} else if (strcmp(*argv, "unused") == 0) {
filter.unused_only = 1;
} else if (strcmp(*argv, "nud") == 0) {
unsigned int state;
NEXT_ARG();
if (!state_given) {
state_given = 1;
filter.state = 0;
}
if (nud_state_a2n(&state, *argv)) {
if (strcmp(*argv, "all") != 0)
invarg("nud state is bad", *argv);
state = ~0;
if (flush)
state &= ~NUD_NOARP;
}
if (state == 0)
state = 0x100;
filter.state |= state;
} else if (strcmp(*argv, "proxy") == 0) {
filter.ndm_flags = NTF_PROXY;
} else if (matches(*argv, "protocol") == 0) {
__u32 prot;
NEXT_ARG();
if (rtnl_rtprot_a2n(&prot, *argv)) {
if (strcmp(*argv, "all"))
invarg("invalid \"protocol\"\n", *argv);
prot = 0;
}
filter.protocol = prot;
} else {
if (strcmp(*argv, "to") == 0) {
NEXT_ARG();
}
if (matches(*argv, "help") == 0)
usage();
if (get_prefix(&filter.pfx, *argv, filter.family))
invarg("to value is invalid\n", *argv);
if (filter.family == AF_UNSPEC)
filter.family = filter.pfx.family;
}
argc--; argv++;
}
ll_init_map(&rth);
if (filter_dev) {
filter.index = ll_name_to_index(filter_dev);
if (!filter.index)
return nodev(filter_dev);
}
if (flush) {
int round = 0;
char flushb[4096-512];
filter.flushb = flushb;
filter.flushp = 0;
filter.flushe = sizeof(flushb);
while (round < MAX_ROUNDS) {
if (rtnl_neighdump_req(&rth, filter.family,
ipneigh_dump_filter) < 0) {
perror("Cannot send dump request");
exit(1);
}
filter.flushed = 0;
if (rtnl_dump_filter(&rth, print_neigh, stdout) < 0) {
fprintf(stderr, "Flush terminated\n");
exit(1);
}
if (filter.flushed == 0) {
if (show_stats) {
if (round == 0)
printf("Nothing to flush.\n");
else
printf("*** Flush is complete after %d round%s ***\n", round, round > 1?"s":"");
}
fflush(stdout);
return 0;
}
round++;
if (flush_update() < 0)
exit(1);
if (show_stats) {
printf("\n*** Round %d, deleting %d entries ***\n", round, filter.flushed);
fflush(stdout);
}
filter.state &= ~NUD_FAILED;
}
printf("*** Flush not complete bailing out after %d rounds\n",
MAX_ROUNDS);
return 1;
}
if (rtnl_neighdump_req(&rth, filter.family, ipneigh_dump_filter) < 0) {
perror("Cannot send dump request");
exit(1);
}
new_json_obj(json);
if (rtnl_dump_filter(&rth, print_neigh, stdout) < 0) {
fprintf(stderr, "Dump terminated\n");
exit(1);
}
delete_json_obj();
return 0;
}
static int ipneigh_modify(int cmd, int flags, int argc, char **argv)
{
struct {
struct nlmsghdr n;
struct ndmsg ndm;
char buf[256];
} req = {
.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ndmsg)),
.n.nlmsg_flags = NLM_F_REQUEST | flags,
.n.nlmsg_type = cmd,
.ndm.ndm_family = preferred_family,
.ndm.ndm_state = NUD_PERMANENT,
};
char *dev = NULL;
int dst_ok = 0;
int dev_ok = 0;
int lladdr_ok = 0;
char *lla = NULL;
inet_prefix dst;
while (argc > 0) {
if (matches(*argv, "lladdr") == 0) {
NEXT_ARG();
if (lladdr_ok)
duparg("lladdr", *argv);
lla = *argv;
lladdr_ok = 1;
} else if (strcmp(*argv, "nud") == 0) {
unsigned int state;
NEXT_ARG();
if (nud_state_a2n(&state, *argv))
invarg("nud state is bad", *argv);
req.ndm.ndm_state = state;
} else if (matches(*argv, "proxy") == 0) {
NEXT_ARG();
if (matches(*argv, "help") == 0)
usage();
if (dst_ok)
duparg("address", *argv);
get_addr(&dst, *argv, preferred_family);
dst_ok = 1;
dev_ok = 1;
req.ndm.ndm_flags |= NTF_PROXY;
} else if (strcmp(*argv, "router") == 0) {
req.ndm.ndm_flags |= NTF_ROUTER;
} else if (matches(*argv, "extern_learn") == 0) {
req.ndm.ndm_flags |= NTF_EXT_LEARNED;
} else if (strcmp(*argv, "dev") == 0) {
NEXT_ARG();
dev = *argv;
dev_ok = 1;
} else if (matches(*argv, "protocol") == 0) {
__u32 proto;
NEXT_ARG();
if (rtnl_rtprot_a2n(&proto, *argv))
invarg("\"protocol\" value is invalid\n", *argv);
if (addattr8(&req.n, sizeof(req), NDA_PROTOCOL, proto))
return -1;
} else {
if (strcmp(*argv, "to") == 0) {
NEXT_ARG();
}
if (matches(*argv, "help") == 0) {
NEXT_ARG();
}
if (dst_ok)
duparg2("to", *argv);
get_addr(&dst, *argv, preferred_family);
dst_ok = 1;
}
argc--; argv++;
}
if (!dev_ok || !dst_ok || dst.family == AF_UNSPEC) {
fprintf(stderr, "Device and destination are required arguments.\n");
exit(-1);
}
req.ndm.ndm_family = dst.family;
if (addattr_l(&req.n, sizeof(req), NDA_DST, &dst.data, dst.bytelen) < 0)
return -1;
if (lla && strcmp(lla, "null")) {
char llabuf[20];
int l;
l = ll_addr_a2n(llabuf, sizeof(llabuf), lla);
if (l < 0)
return -1;
if (addattr_l(&req.n, sizeof(req), NDA_LLADDR, llabuf, l) < 0)
return -1;
}
ll_init_map(&rth);
if (dev) {
req.ndm.ndm_ifindex = ll_name_to_index(dev);
if (!req.ndm.ndm_ifindex)
return nodev(dev);
}
if (rtnl_talk(&rth, &req.n, NULL) < 0)
exit(2);
return 0;
}
static void print_cacheinfo(const struct nda_cacheinfo *ci)
{
static int hz;
if (!hz)
hz = get_user_hz();
if (ci->ndm_refcnt)
print_uint(PRINT_ANY, "refcnt",
" ref %u", ci->ndm_refcnt);
print_uint(PRINT_ANY, "used", " used %u", ci->ndm_used / hz);
print_uint(PRINT_ANY, "confirmed", "/%u", ci->ndm_confirmed / hz);
print_uint(PRINT_ANY, "updated", "/%u", ci->ndm_updated / hz);
}
static void print_neigh_state(unsigned int nud)
{
open_json_array(PRINT_JSON,
is_json_context() ? "state" : "");
#define PRINT_FLAG(f) \
if (nud & NUD_##f) { \
nud &= ~NUD_##f; \
print_string(PRINT_ANY, NULL, " %s", #f); \
}
PRINT_FLAG(INCOMPLETE);
PRINT_FLAG(REACHABLE);
PRINT_FLAG(STALE);
PRINT_FLAG(DELAY);
PRINT_FLAG(PROBE);
PRINT_FLAG(FAILED);
PRINT_FLAG(NOARP);
PRINT_FLAG(PERMANENT);
#undef PRINT_FLAG
close_json_array(PRINT_JSON, NULL);
}
static int iproute_modify(int cmd, unsigned flags, int argc, char **argv)
{
struct rtnl_handle rth;
struct {
struct nlmsghdr n;
struct rtmsg r;
char buf[1024];
} req;
char mxbuf[256];
struct rtattr * mxrta = (void*)mxbuf;
unsigned mxlock = 0;
char *d = NULL;
int gw_ok = 0;
int dst_ok = 0;
int proto_ok = 0;
int type_ok = 0;
memset(&req, 0, sizeof(req));
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));
req.n.nlmsg_flags = NLM_F_REQUEST|flags;
req.n.nlmsg_type = cmd;
req.r.rtm_family = preferred_family;
req.r.rtm_table = RT_TABLE_MAIN;
req.r.rtm_scope = RT_SCOPE_NOWHERE;
if (cmd != RTM_DELROUTE) {
req.r.rtm_protocol = RTPROT_BOOT;
req.r.rtm_scope = RT_SCOPE_UNIVERSE;
req.r.rtm_type = RTN_UNICAST;
}
mxrta->rta_type = RTA_METRICS;
mxrta->rta_len = RTA_LENGTH(0);
while (argc > 0) {
if (strcmp(*argv, "src") == 0) {
inet_prefix addr;
NEXT_ARG();
get_addr(&addr, *argv, req.r.rtm_family);
if (req.r.rtm_family == AF_UNSPEC) {
req.r.rtm_family = addr.family;
}
addattr_l(&req.n, sizeof(req), RTA_PREFSRC, &addr.data, addr.bytelen);
} else if (strcmp(*argv, "via") == 0) {
inet_prefix addr;
gw_ok = 1;
NEXT_ARG();
get_addr(&addr, *argv, req.r.rtm_family);
if (req.r.rtm_family == AF_UNSPEC) {
req.r.rtm_family = addr.family;
}
addattr_l(&req.n, sizeof(req), RTA_GATEWAY, &addr.data, addr.bytelen);
} else if (strcmp(*argv, "mtu") == 0) {
unsigned mtu;
NEXT_ARG();
if (strcmp(*argv, "lock") == 0) {
mxlock |= (1<<RTAX_MTU);
NEXT_ARG();
}
if (get_unsigned(&mtu, *argv, 0)) {
invarg("\"mtu\" value is invalid\n", *argv);
}
rta_addattr32(mxrta, sizeof(mxbuf), RTAX_MTU, mtu);
} else if (matches(*argv, "protocol") == 0) {
int prot;
NEXT_ARG();
if (rtnl_rtprot_a2n(&prot, *argv))
invarg("\"protocol\" value is invalid\n", *argv);
req.r.rtm_protocol = prot;
proto_ok =1;
} else if (strcmp(*argv, "dev") == 0 ||
strcmp(*argv, "oif") == 0) {
NEXT_ARG();
d = *argv;
} else {
int type;
inet_prefix dst;
if (strcmp(*argv, "to") == 0) {
NEXT_ARG();
}
if ((**argv < '0' || **argv > '9') &&
rtnl_rtntype_a2n(&type, *argv) == 0) {
NEXT_ARG();
req.r.rtm_type = type;
type_ok = 1;
}
if (dst_ok) {
duparg2("to", *argv);
}
get_prefix(&dst, *argv, req.r.rtm_family);
if (req.r.rtm_family == AF_UNSPEC) {
req.r.rtm_family = dst.family;
}
req.r.rtm_dst_len = dst.bitlen;
dst_ok = 1;
if (dst.bytelen) {
addattr_l(&req.n, sizeof(req), RTA_DST, &dst.data, dst.bytelen);
}
}
argc--; argv++;
}
if (rtnl_open(&rth, 0) < 0) {
exit(1);
}
if (d) {
int idx;
ll_init_map(&rth);
if (d) {
if ((idx = ll_name_to_index(d)) == 0) {
bb_error_msg("Cannot find device \"%s\"", d);
return -1;
}
addattr32(&req.n, sizeof(req), RTA_OIF, idx);
}
}
if (mxrta->rta_len > RTA_LENGTH(0)) {
if (mxlock) {
rta_addattr32(mxrta, sizeof(mxbuf), RTAX_LOCK, mxlock);
}
addattr_l(&req.n, sizeof(req), RTA_METRICS, RTA_DATA(mxrta), RTA_PAYLOAD(mxrta));
}
if (req.r.rtm_family == AF_UNSPEC) {
req.r.rtm_family = AF_INET;
}
if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0) {
exit(2);
}
return 0;
}
static int iproute_list_or_flush(int argc, char **argv, int flush)
{
int do_ipv6 = preferred_family;
struct rtnl_handle rth;
char *id = NULL;
char *od = NULL;
iproute_reset_filter();
filter.tb = RT_TABLE_MAIN;
if (flush && argc <= 0) {
fprintf(stderr, "\"ip route flush\" requires arguments.\n");
return -1;
}
while (argc > 0) {
if (matches(*argv, "protocol") == 0) {
int prot = 0;
NEXT_ARG();
filter.protocolmask = -1;
if (rtnl_rtprot_a2n(&prot, *argv)) {
if (strcmp(*argv, "all") != 0) {
invarg("invalid \"protocol\"\n", *argv);
}
prot = 0;
filter.protocolmask = 0;
}
filter.protocol = prot;
} else if (strcmp(*argv, "dev") == 0 ||
strcmp(*argv, "oif") == 0) {
NEXT_ARG();
od = *argv;
} else if (strcmp(*argv, "iif") == 0) {
NEXT_ARG();
id = *argv;
} else if (matches(*argv, "from") == 0) {
NEXT_ARG();
if (matches(*argv, "root") == 0) {
NEXT_ARG();
get_prefix(&filter.rsrc, *argv, do_ipv6);
} else if (matches(*argv, "match") == 0) {
NEXT_ARG();
get_prefix(&filter.msrc, *argv, do_ipv6);
} else {
if (matches(*argv, "exact") == 0) {
NEXT_ARG();
}
get_prefix(&filter.msrc, *argv, do_ipv6);
filter.rsrc = filter.msrc;
}
} else {
if (matches(*argv, "to") == 0) {
NEXT_ARG();
}
if (matches(*argv, "root") == 0) {
NEXT_ARG();
get_prefix(&filter.rdst, *argv, do_ipv6);
} else if (matches(*argv, "match") == 0) {
NEXT_ARG();
get_prefix(&filter.mdst, *argv, do_ipv6);
} else {
if (matches(*argv, "exact") == 0) {
NEXT_ARG();
}
get_prefix(&filter.mdst, *argv, do_ipv6);
filter.rdst = filter.mdst;
}
}
argc--; argv++;
}
if (do_ipv6 == AF_UNSPEC && filter.tb) {
do_ipv6 = AF_INET;
}
if (rtnl_open(&rth, 0) < 0) {
exit(1);
}
ll_init_map(&rth);
if (id || od) {
int idx;
if (id) {
if ((idx = ll_name_to_index(id)) == 0) {
bb_error_msg("Cannot find device \"%s\"", id);
return -1;
}
filter.iif = idx;
filter.iifmask = -1;
}
if (od) {
if ((idx = ll_name_to_index(od)) == 0) {
bb_error_msg("Cannot find device \"%s\"", od);
}
filter.oif = idx;
filter.oifmask = -1;
}
}
if (flush) {
int round = 0;
char flushb[4096-512];
if (filter.tb == -1) {
if (do_ipv6 != AF_INET6)
iproute_flush_cache();
if (do_ipv6 == AF_INET)
return 0;
}
filter.flushb = flushb;
filter.flushp = 0;
filter.flushe = sizeof(flushb);
filter.rth = &rth;
for (;;) {
if (rtnl_wilddump_request(&rth, do_ipv6, RTM_GETROUTE) < 0) {
perror("Cannot send dump request");
return -1;
}
filter.flushed = 0;
if (rtnl_dump_filter(&rth, print_route, stdout, NULL, NULL) < 0) {
bb_error_msg("Flush terminated\n");
return -1;
}
if (filter.flushed == 0) {
if (round == 0) {
if (filter.tb != -1 || do_ipv6 == AF_INET6)
fprintf(stderr, "Nothing to flush.\n");
}
fflush(stdout);
return 0;
}
round++;
if (flush_update() < 0)
exit(1);
}
}
if (filter.tb != -1) {
if (rtnl_wilddump_request(&rth, do_ipv6, RTM_GETROUTE) < 0) {
bb_perror_msg_and_die("Cannot send dump request");
}
} else {
if (rtnl_rtcache_request(&rth, do_ipv6) < 0) {
bb_perror_msg_and_die("Cannot send dump request");
}
}
if (rtnl_dump_filter(&rth, print_route, stdout, NULL, NULL) < 0) {
bb_error_msg_and_die("Dump terminated");
}
exit(0);
}
int iproute_modify(int cmd, unsigned flags, int argc, char *argv)
{
REQ req;
char mxbuf[256];
struct rtattr * mxrta = (void*)mxbuf;
unsigned mxlock = 0;
char *d = NULL;
int gw_ok = 0;
int dst_ok = 0;
int nhs_ok = 0;
int scope_ok = 0;
int table_ok = 0;
// int type_ok = 0;
memset(&req, 0, sizeof(req));
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));
req.n.nlmsg_flags = NLM_F_REQUEST|flags;
req.n.nlmsg_type = cmd;
req.r.rtm_family = preferred_family;
req.r.rtm_table = RT_TABLE_MAIN;
req.r.rtm_scope = RT_SCOPE_NOWHERE;
if(cmd != RTM_DELROUTE) {
req.r.rtm_protocol = RTPROT_BOOT;
req.r.rtm_scope = RT_SCOPE_UNIVERSE;
req.r.rtm_type = RTN_UNICAST;
}
mxrta->rta_type = RTA_METRICS;
mxrta->rta_len = RTA_LENGTH(0);
while (argc > 0) {
if(strcmp(argv, "src") == 0) {
inet_prefix addr;
NEXT_ARG();
get_addr(&addr, argv, req.r.rtm_family);
if(req.r.rtm_family == AF_UNSPEC)
req.r.rtm_family = addr.family;
addattr_l(&req.n, sizeof(req), RTA_PREFSRC, &addr.data, addr.bytelen);
} else if(strcmp(argv, "via") == 0) {
inet_prefix addr;
gw_ok = 1;
NEXT_ARG();
get_addr(&addr, argv, req.r.rtm_family);
if(req.r.rtm_family == AF_UNSPEC)
req.r.rtm_family = addr.family;
addattr_l(&req.n, sizeof(req), RTA_GATEWAY, &addr.data, addr.bytelen);
} else if(strcmp(argv, "from") == 0) {
inet_prefix addr;
NEXT_ARG();
get_prefix(&addr, argv, req.r.rtm_family);
if(req.r.rtm_family == AF_UNSPEC)
req.r.rtm_family = addr.family;
if(addr.bytelen)
addattr_l(&req.n, sizeof(req), RTA_SRC, &addr.data, addr.bytelen);
req.r.rtm_src_len = addr.bitlen;
} else if(strcmp(argv, "tos") == 0 ||
matches(argv, "dsfield") == 0) {
__u32 tos;
NEXT_ARG();
if(rtnl_dsfield_a2n(&tos, argv))
invarg("\"tos\" value is invalid\n", argv);
req.r.rtm_tos = tos;
} else if(matches(argv, "metric") == 0 ||
matches(argv, "priority") == 0 ||
matches(argv, "preference") == 0) {
__u32 metric;
NEXT_ARG();
if(get_u32(&metric, argv, 0))
invarg("\"metric\" value is invalid\n", argv);
addattr32(&req.n, sizeof(req), RTA_PRIORITY, metric);
} else if(strcmp(argv, "scope") == 0) {
__u32 scope = 0;
NEXT_ARG();
if(rtnl_rtscope_a2n(&scope, argv))
invarg("invalid \"scope\" value\n", argv);
req.r.rtm_scope = scope;
scope_ok = 1;
} else if(strcmp(argv, "mtu") == 0) {
unsigned mtu;
NEXT_ARG();
if(strcmp(argv, "lock") == 0) {
mxlock |= (1<<RTAX_MTU);
NEXT_ARG();
}
if(get_unsigned(&mtu, argv, 0))
invarg("\"mtu\" value is invalid\n", argv);
rta_addattr32(mxrta, sizeof(mxbuf), RTAX_MTU, mtu);
#ifdef RTAX_ADVMSS
} else if(strcmp(argv, "advmss") == 0) {
unsigned mss;
NEXT_ARG();
if(strcmp(argv, "lock") == 0) {
mxlock |= (1<<RTAX_ADVMSS);
NEXT_ARG();
}
if(get_unsigned(&mss, argv, 0))
invarg("\"mss\" value is invalid\n", argv);
rta_addattr32(mxrta, sizeof(mxbuf), RTAX_ADVMSS, mss);
#endif
#ifdef RTAX_REORDERING
} else if(matches(argv, "reordering") == 0) {
unsigned reord;
NEXT_ARG();
if(strcmp(argv, "lock") == 0) {
mxlock |= (1<<RTAX_REORDERING);
NEXT_ARG();
}
if(get_unsigned(&reord, argv, 0))
invarg("\"reordering\" value is invalid\n", argv);
rta_addattr32(mxrta, sizeof(mxbuf), RTAX_REORDERING, reord);
#endif
} else if(strcmp(argv, "rtt") == 0) {
unsigned rtt;
NEXT_ARG();
if(strcmp(argv, "lock") == 0) {
mxlock |= (1<<RTAX_RTT);
NEXT_ARG();
}
if(get_unsigned(&rtt, argv, 0))
invarg("\"rtt\" value is invalid\n", argv);
rta_addattr32(mxrta, sizeof(mxbuf), RTAX_RTT, rtt);
} else if(matches(argv, "window") == 0) {
unsigned win;
NEXT_ARG();
if(strcmp(argv, "lock") == 0) {
mxlock |= (1<<RTAX_WINDOW);
NEXT_ARG();
}
if(get_unsigned(&win, argv, 0))
invarg("\"window\" value is invalid\n", argv);
rta_addattr32(mxrta, sizeof(mxbuf), RTAX_WINDOW, win);
} else if(matches(argv, "cwnd") == 0) {
unsigned win;
NEXT_ARG();
if(strcmp(argv, "lock") == 0) {
mxlock |= (1<<RTAX_CWND);
NEXT_ARG();
}
if(get_unsigned(&win, argv, 0))
invarg("\"cwnd\" value is invalid\n", argv);
rta_addattr32(mxrta, sizeof(mxbuf), RTAX_CWND, win);
} else if(matches(argv, "rttvar") == 0) {
unsigned win;
NEXT_ARG();
if(strcmp(argv, "lock") == 0) {
mxlock |= (1<<RTAX_RTTVAR);
NEXT_ARG();
}
if(get_unsigned(&win, argv, 0))
invarg("\"rttvar\" value is invalid\n", argv);
rta_addattr32(mxrta, sizeof(mxbuf), RTAX_RTTVAR, win);
} else if(matches(argv, "ssthresh") == 0) {
unsigned win;
NEXT_ARG();
if(strcmp(argv, "lock") == 0) {
mxlock |= (1<<RTAX_SSTHRESH);
NEXT_ARG();
}
if(get_unsigned(&win, argv, 0))
invarg("\"ssthresh\" value is invalid\n", argv);
rta_addattr32(mxrta, sizeof(mxbuf), RTAX_SSTHRESH, win);
// } else if(matches(argv, "realms") == 0) {
// __u32 realm;
// NEXT_ARG();
// if(get_rt_realms(&realm, argv))
// invarg("\"realm\" value is invalid\n", argv);
// addattr32(&req.n, sizeof(req), RTA_FLOW, realm);
} else if(strcmp(argv, "onlink") == 0) {
req.r.rtm_flags |= RTNH_F_ONLINK;
} else if(matches(argv, "equalize") == 0 ||
strcmp(argv, "eql") == 0) {
req.r.rtm_flags |= RTM_F_EQUALIZE;
} else if(strcmp(argv, "nexthop") == 0) {
nhs_ok = 1;
break;
} else if(matches(argv, "protocol") == 0) {
__u32 prot;
NEXT_ARG();
if(rtnl_rtprot_a2n(&prot, argv))
invarg("\"protocol\" value is invalid\n", argv);
req.r.rtm_protocol = prot;
} else if(matches(argv, "table") == 0) {
__u32 tid;
NEXT_ARG();
if(rtnl_rttable_a2n(&tid, argv))
invarg("\"table\" value is invalid\n", argv);
req.r.rtm_table = tid;
table_ok = 1;
} else if(strcmp(argv, "dev") == 0 ||
strcmp(argv, "oif") == 0) {
NEXT_ARG();
d = argv;
// } else if(strcmp(argv, "mpath") == 0 ||
// strcmp(argv, "mp") == 0) {
// int i;
// __u32 mp_alg = IP_MP_ALG_NONE;
//
// NEXT_ARG();
// for (i = 1; i < ARRAY_SIZE(mp_alg_names); i++)
// if(strcmp(argv, mp_alg_names[i]) == 0)
// mp_alg = i;
// if(mp_alg == IP_MP_ALG_NONE)
// invarg("\"mpath\" value is invalid\n", argv);
// addattr_l(&req.n, sizeof(req), RTA_MP_ALGO, &mp_alg, sizeof(mp_alg));
} else {
// int type;
inet_prefix dst;
if(strcmp(argv, "to") == 0) {
NEXT_ARG();
}
// if((*argv < '0' || *argv > '9') &&
// rtnl_rtntype_a2n(&type, argv) == 0) {
// NEXT_ARG();
// req.r.rtm_type = type;
// type_ok = 1;
// }
if(dst_ok)
duparg2("to", argv);
get_prefix(&dst, argv, req.r.rtm_family);
if(req.r.rtm_family == AF_UNSPEC)
req.r.rtm_family = dst.family;
req.r.rtm_dst_len = dst.bitlen;
dst_ok = 1;
if(dst.bytelen)
addattr_l(&req.n, sizeof(req), RTA_DST, &dst.data, dst.bytelen);
}
argc--; argv++;
}
if(d || nhs_ok) {
int idx;
ll_init_map(&rth);
if(d) {
if((idx = ll_name_to_index(d)) == 0) {
fprintf(stderr, "Cannot find device \"%s\"\n", d);
return -1;
}
addattr32(&req.n, sizeof(req), RTA_OIF, idx);
}
}
if(mxrta->rta_len > RTA_LENGTH(0)) {
if(mxlock)
rta_addattr32(mxrta, sizeof(mxbuf), RTAX_LOCK, mxlock);
addattr_l(&req.n, sizeof(req), RTA_METRICS, RTA_DATA(mxrta), RTA_PAYLOAD(mxrta));
}
if(nhs_ok)
parse_nexthops(&req.n, &req.r, argc, argv);
if(!table_ok) {
if(req.r.rtm_type == RTN_LOCAL ||
req.r.rtm_type == RTN_BROADCAST ||
req.r.rtm_type == RTN_NAT ||
req.r.rtm_type == RTN_ANYCAST)
req.r.rtm_table = RT_TABLE_LOCAL;
}
if(!scope_ok) {
if(req.r.rtm_type == RTN_LOCAL ||
req.r.rtm_type == RTN_NAT)
req.r.rtm_scope = RT_SCOPE_HOST;
else if(req.r.rtm_type == RTN_BROADCAST ||
req.r.rtm_type == RTN_MULTICAST ||
req.r.rtm_type == RTN_ANYCAST)
req.r.rtm_scope = RT_SCOPE_LINK;
else if(req.r.rtm_type == RTN_UNICAST ||
req.r.rtm_type == RTN_UNSPEC) {
if(cmd == RTM_DELROUTE)
req.r.rtm_scope = RT_SCOPE_NOWHERE;
else if(!gw_ok && !nhs_ok)
req.r.rtm_scope = RT_SCOPE_LINK;
}
}
if(req.r.rtm_family == AF_UNSPEC)
req.r.rtm_family = AF_INET;
if(rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0)
exit(2);
return 0;
}
