#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
-#include <syslog.h>
#include <fcntl.h>
#include <string.h>
#include <time.h>
#include "rt_names.h"
#include "utils.h"
#include "ip_common.h"
-#include "iproute_lwtunnel.h"
#ifndef RTAX_RTTVAR
#define RTAX_RTTVAR RTAX_HOPS
IPROUTE_SAVE,
};
static const char *mx_names[RTAX_MAX+1] = {
- [RTAX_MTU] = "mtu",
- [RTAX_WINDOW] = "window",
- [RTAX_RTT] = "rtt",
- [RTAX_RTTVAR] = "rttvar",
- [RTAX_SSTHRESH] = "ssthresh",
- [RTAX_CWND] = "cwnd",
- [RTAX_ADVMSS] = "advmss",
- [RTAX_REORDERING] = "reordering",
- [RTAX_HOPLIMIT] = "hoplimit",
- [RTAX_INITCWND] = "initcwnd",
- [RTAX_FEATURES] = "features",
- [RTAX_RTO_MIN] = "rto_min",
- [RTAX_INITRWND] = "initrwnd",
- [RTAX_QUICKACK] = "quickack",
- [RTAX_CC_ALGO] = "congctl",
+ [RTAX_MTU] = "mtu",
+ [RTAX_WINDOW] = "window",
+ [RTAX_RTT] = "rtt",
+ [RTAX_RTTVAR] = "rttvar",
+ [RTAX_SSTHRESH] = "ssthresh",
+ [RTAX_CWND] = "cwnd",
+ [RTAX_ADVMSS] = "advmss",
+ [RTAX_REORDERING] = "reordering",
+ [RTAX_HOPLIMIT] = "hoplimit",
+ [RTAX_INITCWND] = "initcwnd",
+ [RTAX_FEATURES] = "features",
+ [RTAX_RTO_MIN] = "rto_min",
+ [RTAX_INITRWND] = "initrwnd",
+ [RTAX_QUICKACK] = "quickack",
+ [RTAX_CC_ALGO] = "congctl",
+ [RTAX_FASTOPEN_NO_COOKIE] = "fastopen_no_cookie"
};
static void usage(void) __attribute__((noreturn));
static void usage(void)
{
- fprintf(stderr, "Usage: ip route { list | flush } SELECTOR\n");
- fprintf(stderr, " ip route save SELECTOR\n");
- fprintf(stderr, " ip route restore\n");
- fprintf(stderr, " ip route showdump\n");
- fprintf(stderr, " ip route get [ ROUTE_GET_FLAGS ] ADDRESS\n");
- fprintf(stderr, " [ from ADDRESS iif STRING ]\n");
- fprintf(stderr, " [ oif STRING ] [ tos TOS ]\n");
- fprintf(stderr, " [ mark NUMBER ] [ vrf NAME ]\n");
- fprintf(stderr, " [ uid NUMBER ]\n");
- fprintf(stderr, " ip route { add | del | change | append | replace } ROUTE\n");
- fprintf(stderr, "SELECTOR := [ root PREFIX ] [ match PREFIX ] [ exact PREFIX ]\n");
- fprintf(stderr, " [ table TABLE_ID ] [ vrf NAME ] [ proto RTPROTO ]\n");
- fprintf(stderr, " [ type TYPE ] [ scope SCOPE ]\n");
- fprintf(stderr, "ROUTE := NODE_SPEC [ INFO_SPEC ]\n");
- fprintf(stderr, "NODE_SPEC := [ TYPE ] PREFIX [ tos TOS ]\n");
- fprintf(stderr, " [ table TABLE_ID ] [ proto RTPROTO ]\n");
- fprintf(stderr, " [ scope SCOPE ] [ metric METRIC ]\n");
- fprintf(stderr, " [ ttl-propagate { enabled | disabled } ]\n");
- fprintf(stderr, "INFO_SPEC := NH OPTIONS FLAGS [ nexthop NH ]...\n");
- fprintf(stderr, "NH := [ encap ENCAPTYPE ENCAPHDR ] [ via [ FAMILY ] ADDRESS ]\n");
- fprintf(stderr, " [ dev STRING ] [ weight NUMBER ] NHFLAGS\n");
- fprintf(stderr, "FAMILY := [ inet | inet6 | ipx | dnet | mpls | bridge | link ]\n");
- fprintf(stderr, "OPTIONS := FLAGS [ mtu NUMBER ] [ advmss NUMBER ] [ as [ to ] ADDRESS ]\n");
- fprintf(stderr, " [ rtt TIME ] [ rttvar TIME ] [ reordering NUMBER ]\n");
- fprintf(stderr, " [ window NUMBER ] [ cwnd NUMBER ] [ initcwnd NUMBER ]\n");
- fprintf(stderr, " [ ssthresh NUMBER ] [ realms REALM ] [ src ADDRESS ]\n");
- fprintf(stderr, " [ rto_min TIME ] [ hoplimit NUMBER ] [ initrwnd NUMBER ]\n");
- fprintf(stderr, " [ features FEATURES ] [ quickack BOOL ] [ congctl NAME ]\n");
- fprintf(stderr, " [ pref PREF ] [ expires TIME ]\n");
- fprintf(stderr, "TYPE := { unicast | local | broadcast | multicast | throw |\n");
- fprintf(stderr, " unreachable | prohibit | blackhole | nat }\n");
- fprintf(stderr, "TABLE_ID := [ local | main | default | all | NUMBER ]\n");
- fprintf(stderr, "SCOPE := [ host | link | global | NUMBER ]\n");
- fprintf(stderr, "NHFLAGS := [ onlink | pervasive ]\n");
- fprintf(stderr, "RTPROTO := [ kernel | boot | static | NUMBER ]\n");
- fprintf(stderr, "PREF := [ low | medium | high ]\n");
- fprintf(stderr, "TIME := NUMBER[s|ms]\n");
- fprintf(stderr, "BOOL := [1|0]\n");
- fprintf(stderr, "FEATURES := ecn\n");
- fprintf(stderr, "ENCAPTYPE := [ mpls | ip | ip6 | seg6 ]\n");
- fprintf(stderr, "ENCAPHDR := [ MPLSLABEL | SEG6HDR ]\n");
- fprintf(stderr, "SEG6HDR := [ mode SEGMODE ] segs ADDR1,ADDRi,ADDRn [hmac HMACKEYID] [cleanup]\n");
- fprintf(stderr, "SEGMODE := [ encap | inline ]\n");
- fprintf(stderr, "ROUTE_GET_FLAGS := [ fibmatch ]\n");
+ fprintf(stderr,
+ "Usage: ip route { list | flush } SELECTOR\n"
+ " ip route save SELECTOR\n"
+ " ip route restore\n"
+ " ip route showdump\n"
+ " ip route get [ ROUTE_GET_FLAGS ] ADDRESS\n"
+ " [ from ADDRESS iif STRING ]\n"
+ " [ oif STRING ] [ tos TOS ]\n"
+ " [ mark NUMBER ] [ vrf NAME ]\n"
+ " [ uid NUMBER ] [ ipproto PROTOCOL ]\n"
+ " [ sport NUMBER ] [ dport NUMBER ]\n"
+ " ip route { add | del | change | append | replace } ROUTE\n"
+ "SELECTOR := [ root PREFIX ] [ match PREFIX ] [ exact PREFIX ]\n"
+ " [ table TABLE_ID ] [ vrf NAME ] [ proto RTPROTO ]\n"
+ " [ type TYPE ] [ scope SCOPE ]\n"
+ "ROUTE := NODE_SPEC [ INFO_SPEC ]\n"
+ "NODE_SPEC := [ TYPE ] PREFIX [ tos TOS ]\n"
+ " [ table TABLE_ID ] [ proto RTPROTO ]\n"
+ " [ scope SCOPE ] [ metric METRIC ]\n"
+ " [ ttl-propagate { enabled | disabled } ]\n"
+ "INFO_SPEC := NH OPTIONS FLAGS [ nexthop NH ]...\n"
+ "NH := [ encap ENCAPTYPE ENCAPHDR ] [ via [ FAMILY ] ADDRESS ]\n"
+ " [ dev STRING ] [ weight NUMBER ] NHFLAGS\n"
+ "FAMILY := [ inet | inet6 | mpls | bridge | link ]\n"
+ "OPTIONS := FLAGS [ mtu NUMBER ] [ advmss NUMBER ] [ as [ to ] ADDRESS ]\n"
+ " [ rtt TIME ] [ rttvar TIME ] [ reordering NUMBER ]\n"
+ " [ window NUMBER ] [ cwnd NUMBER ] [ initcwnd NUMBER ]\n"
+ " [ ssthresh NUMBER ] [ realms REALM ] [ src ADDRESS ]\n"
+ " [ rto_min TIME ] [ hoplimit NUMBER ] [ initrwnd NUMBER ]\n"
+ " [ features FEATURES ] [ quickack BOOL ] [ congctl NAME ]\n"
+ " [ pref PREF ] [ expires TIME ] [ fastopen_no_cookie BOOL ]\n"
+ "TYPE := { unicast | local | broadcast | multicast | throw |\n"
+ " unreachable | prohibit | blackhole | nat }\n"
+ "TABLE_ID := [ local | main | default | all | NUMBER ]\n"
+ "SCOPE := [ host | link | global | NUMBER ]\n"
+ "NHFLAGS := [ onlink | pervasive ]\n"
+ "RTPROTO := [ kernel | boot | static | NUMBER ]\n"
+ "PREF := [ low | medium | high ]\n"
+ "TIME := NUMBER[s|ms]\n"
+ "BOOL := [1|0]\n"
+ "FEATURES := ecn\n"
+ "ENCAPTYPE := [ mpls | ip | ip6 | seg6 | seg6local ]\n"
+ "ENCAPHDR := [ MPLSLABEL | SEG6HDR ]\n"
+ "SEG6HDR := [ mode SEGMODE ] segs ADDR1,ADDRi,ADDRn [hmac HMACKEYID] [cleanup]\n"
+ "SEGMODE := [ encap | inline ]\n"
+ "ROUTE_GET_FLAGS := [ fibmatch ]\n");
exit(-1);
}
int oif, oifmask;
int mark, markmask;
int realm, realmmask;
+ __u32 metric, metricmask;
inet_prefix rprefsrc;
inet_prefix rvia;
inet_prefix rdst;
if (r->rtm_family == AF_INET6 && table != RT_TABLE_MAIN)
ip6_multiple_tables = 1;
- if (filter.cloned == !(r->rtm_flags&RTM_F_CLONED))
+ if (filter.cloned == !(r->rtm_flags & RTM_F_CLONED))
return 0;
if (r->rtm_family == AF_INET6 && !ip6_multiple_tables) {
return 0;
if ((filter.tos^r->rtm_tos)&filter.tosmask)
return 0;
- if (filter.rdst.family &&
- (r->rtm_family != filter.rdst.family || filter.rdst.bitlen > r->rtm_dst_len))
- return 0;
- if (filter.mdst.family &&
- (r->rtm_family != filter.mdst.family ||
- (filter.mdst.bitlen >= 0 && filter.mdst.bitlen < r->rtm_dst_len)))
- return 0;
- if (filter.rsrc.family &&
- (r->rtm_family != filter.rsrc.family || filter.rsrc.bitlen > r->rtm_src_len))
- return 0;
- if (filter.msrc.family &&
- (r->rtm_family != filter.msrc.family ||
- (filter.msrc.bitlen >= 0 && filter.msrc.bitlen < r->rtm_src_len)))
- return 0;
+ if (filter.rdst.family) {
+ if (r->rtm_family != filter.rdst.family ||
+ filter.rdst.bitlen > r->rtm_dst_len)
+ return 0;
+ } else if (filter.rdst.flags & PREFIXLEN_SPECIFIED) {
+ if (filter.rdst.bitlen > r->rtm_dst_len)
+ return 0;
+ }
+ if (filter.mdst.family) {
+ if (r->rtm_family != filter.mdst.family ||
+ (filter.mdst.bitlen >= 0 &&
+ filter.mdst.bitlen < r->rtm_dst_len))
+ return 0;
+ } else if (filter.mdst.flags & PREFIXLEN_SPECIFIED) {
+ if (filter.mdst.bitlen >= 0 &&
+ filter.mdst.bitlen < r->rtm_dst_len)
+ return 0;
+ }
+ if (filter.rsrc.family) {
+ if (r->rtm_family != filter.rsrc.family ||
+ filter.rsrc.bitlen > r->rtm_src_len)
+ return 0;
+ } else if (filter.rsrc.flags & PREFIXLEN_SPECIFIED) {
+ if (filter.rsrc.bitlen > r->rtm_src_len)
+ return 0;
+ }
+ if (filter.msrc.family) {
+ if (r->rtm_family != filter.msrc.family ||
+ (filter.msrc.bitlen >= 0 &&
+ filter.msrc.bitlen < r->rtm_src_len))
+ return 0;
+ } else if (filter.msrc.flags & PREFIXLEN_SPECIFIED) {
+ if (filter.msrc.bitlen >= 0 &&
+ filter.msrc.bitlen < r->rtm_src_len)
+ return 0;
+ }
if (filter.rvia.family) {
int family = r->rtm_family;
if (tb[RTA_DST])
memcpy(&dst.data, RTA_DATA(tb[RTA_DST]), (r->rtm_dst_len+7)/8);
- if (filter.rsrc.family || filter.msrc.family) {
+ if (filter.rsrc.family || filter.msrc.family ||
+ filter.rsrc.flags & PREFIXLEN_SPECIFIED ||
+ filter.msrc.flags & PREFIXLEN_SPECIFIED) {
if (tb[RTA_SRC])
memcpy(&src.data, RTA_DATA(tb[RTA_SRC]), (r->rtm_src_len+7)/8);
}
memcpy(&prefsrc.data, RTA_DATA(tb[RTA_PREFSRC]), host_len/8);
}
- if (filter.rdst.family && inet_addr_match(&dst, &filter.rdst, filter.rdst.bitlen))
+ if ((filter.rdst.family || filter.rdst.flags & PREFIXLEN_SPECIFIED) &&
+ inet_addr_match(&dst, &filter.rdst, filter.rdst.bitlen))
return 0;
- if (filter.mdst.family && filter.mdst.bitlen >= 0 &&
+ if ((filter.mdst.family || filter.mdst.flags & PREFIXLEN_SPECIFIED) &&
inet_addr_match(&dst, &filter.mdst, r->rtm_dst_len))
return 0;
- if (filter.rsrc.family && inet_addr_match(&src, &filter.rsrc, filter.rsrc.bitlen))
+ if ((filter.rsrc.family || filter.rsrc.flags & PREFIXLEN_SPECIFIED) &&
+ inet_addr_match(&src, &filter.rsrc, filter.rsrc.bitlen))
return 0;
- if (filter.msrc.family && filter.msrc.bitlen >= 0 &&
+ if ((filter.msrc.family || filter.msrc.flags & PREFIXLEN_SPECIFIED) &&
+ filter.msrc.bitlen >= 0 &&
inet_addr_match(&src, &filter.msrc, r->rtm_src_len))
return 0;
if ((mark ^ filter.mark) & filter.markmask)
return 0;
}
+ if (filter.metricmask) {
+ __u32 metric = 0;
+
+ if (tb[RTA_PRIORITY])
+ metric = rta_getattr_u32(tb[RTA_PRIORITY]);
+ if ((metric ^ filter.metric) & filter.metricmask)
+ return 0;
+ }
if (filter.flushb &&
r->rtm_family == AF_INET6 &&
r->rtm_dst_len == 0 &&
unsigned int of = features;
if (features & RTAX_FEATURE_ECN) {
- fprintf(fp, "ecn ");
+ print_null(PRINT_ANY, "ecn", "ecn ", NULL);
features &= ~RTAX_FEATURE_ECN;
}
if (features)
- fprintf(fp, "0x%x ", of);
+ print_0xhex(PRINT_ANY,
+ "features", "%#llx ", of);
+}
+
+static void print_rt_flags(FILE *fp, unsigned int flags)
+{
+ open_json_array(PRINT_JSON,
+ is_json_context() ? "flags" : "");
+
+ if (flags & RTNH_F_DEAD)
+ print_string(PRINT_ANY, NULL, "%s ", "dead");
+ if (flags & RTNH_F_ONLINK)
+ print_string(PRINT_ANY, NULL, "%s ", "onlink");
+ if (flags & RTNH_F_PERVASIVE)
+ print_string(PRINT_ANY, NULL, "%s ", "pervasive");
+ if (flags & RTNH_F_OFFLOAD)
+ print_string(PRINT_ANY, NULL, "%s ", "offload");
+ if (flags & RTM_F_NOTIFY)
+ print_string(PRINT_ANY, NULL, "%s ", "notify");
+ if (flags & RTNH_F_LINKDOWN)
+ print_string(PRINT_ANY, NULL, "%s ", "linkdown");
+ if (flags & RTNH_F_UNRESOLVED)
+ print_string(PRINT_ANY, NULL, "%s ", "unresolved");
+
+ close_json_array(PRINT_JSON, NULL);
+}
+
+static void print_rt_pref(FILE *fp, unsigned int pref)
+{
+
+ switch (pref) {
+ case ICMPV6_ROUTER_PREF_LOW:
+ print_string(PRINT_ANY,
+ "pref", "pref %s", "low");
+ break;
+ case ICMPV6_ROUTER_PREF_MEDIUM:
+ print_string(PRINT_ANY,
+ "pref", "pref %s", "medium");
+ break;
+ case ICMPV6_ROUTER_PREF_HIGH:
+ print_string(PRINT_ANY,
+ "pref", "pref %s", "high");
+ break;
+ default:
+ print_uint(PRINT_ANY,
+ "pref", "%u", pref);
+ }
+}
+
+static void print_rta_if(FILE *fp, const struct rtattr *rta,
+ const char *prefix)
+{
+ const char *ifname = ll_index_to_name(rta_getattr_u32(rta));
+
+ if (is_json_context())
+ print_string(PRINT_JSON, prefix, NULL, ifname);
+ else {
+ fprintf(fp, "%s ", prefix);
+ color_fprintf(fp, COLOR_IFNAME, "%s ", ifname);
+ }
+}
+
+static void print_cache_flags(FILE *fp, __u32 flags)
+{
+ json_writer_t *jw = get_json_writer();
+ flags &= ~0xFFFF;
+
+ if (jw) {
+ jsonw_name(jw, "cache");
+ jsonw_start_array(jw);
+ } else {
+ fprintf(fp, "%s cache ", _SL_);
+ if (flags == 0)
+ return;
+ putc('<', fp);
+ }
+
+#define PRTFL(fl, flname) \
+ if (flags & RTCF_##fl) { \
+ flags &= ~RTCF_##fl; \
+ if (jw) \
+ jsonw_string(jw, flname); \
+ else \
+ fprintf(fp, "%s%s", flname, flags ? "," : "> "); \
+ }
+
+ PRTFL(LOCAL, "local");
+ PRTFL(REJECT, "reject");
+ PRTFL(MULTICAST, "mc");
+ PRTFL(BROADCAST, "brd");
+ PRTFL(DNAT, "dst-nat");
+ PRTFL(SNAT, "src-nat");
+ PRTFL(MASQ, "masq");
+ PRTFL(DIRECTDST, "dst-direct");
+ PRTFL(DIRECTSRC, "src-direct");
+ PRTFL(REDIRECTED, "redirected");
+ PRTFL(DOREDIRECT, "redirect");
+ PRTFL(FAST, "fastroute");
+ PRTFL(NOTIFY, "notify");
+ PRTFL(TPROXY, "proxy");
+#undef PRTFL
+
+ if (flags)
+ print_hex(PRINT_ANY, "flags", "%x>", flags);
+
+ if (jw) {
+ jsonw_end_array(jw);
+ jsonw_destroy(&jw);
+ }
+}
+
+static void print_rta_cacheinfo(FILE *fp, const struct rta_cacheinfo *ci)
+{
+ static int hz;
+
+ if (!hz)
+ hz = get_user_hz();
+
+ if (ci->rta_expires != 0)
+ print_int(PRINT_ANY, "expires",
+ "expires %dsec ", ci->rta_expires/hz);
+ if (ci->rta_error != 0)
+ print_uint(PRINT_ANY, "error",
+ "error %u ", ci->rta_error);
+
+ if (show_stats) {
+ if (ci->rta_clntref)
+ print_uint(PRINT_ANY, "users",
+ "users %u ", ci->rta_clntref);
+ if (ci->rta_used != 0)
+ print_uint(PRINT_ANY, "used",
+ "used %u ", ci->rta_used);
+ if (ci->rta_lastuse != 0)
+ print_uint(PRINT_ANY, "age",
+ "age %usec ", ci->rta_lastuse/hz);
+ }
+ if (ci->rta_id)
+ print_0xhex(PRINT_ANY, "ipid",
+ "ipid 0x%04llx ", ci->rta_id);
+ if (ci->rta_ts || ci->rta_tsage) {
+ print_0xhex(PRINT_ANY, "ts",
+ "ts 0x%llx", ci->rta_ts);
+ print_uint(PRINT_ANY, "tsage",
+ "tsage %usec ", ci->rta_tsage);
+ }
+}
+
+static void print_rta_flow(FILE *fp, const struct rtattr *rta)
+{
+ __u32 to = rta_getattr_u32(rta);
+ __u32 from = to >> 16;
+ SPRINT_BUF(b1);
+
+ to &= 0xFFFF;
+ if (is_json_context()) {
+ open_json_object("flow");
+
+ if (from)
+ print_string(PRINT_JSON, "from", NULL,
+ rtnl_rtrealm_n2a(from, b1, sizeof(b1)));
+ print_string(PRINT_JSON, "to", NULL,
+ rtnl_rtrealm_n2a(to, b1, sizeof(b1)));
+ close_json_object();
+ } else {
+ fprintf(fp, "realm%s ", from ? "s" : "");
+
+ if (from)
+ print_string(PRINT_FP, NULL, "%s/",
+ rtnl_rtrealm_n2a(from, b1, sizeof(b1)));
+ print_string(PRINT_FP, NULL, "%s ",
+ rtnl_rtrealm_n2a(to, b1, sizeof(b1)));
+ }
+}
+
+static void print_rta_newdst(FILE *fp, const struct rtmsg *r,
+ const struct rtattr *rta)
+{
+ const char *newdst = format_host_rta(r->rtm_family, rta);
+
+ if (is_json_context())
+ print_string(PRINT_JSON, "to", NULL, newdst);
+ else {
+ fprintf(fp, "as to ");
+ print_color_string(PRINT_FP,
+ ifa_family_color(r->rtm_family),
+ NULL, "%s ", newdst);
+ }
+}
+
+static void print_rta_gateway(FILE *fp, const struct rtmsg *r,
+ const struct rtattr *rta)
+{
+ const char *gateway = format_host_rta(r->rtm_family, rta);
+
+ if (is_json_context())
+ print_string(PRINT_JSON, "gateway", NULL, gateway);
+ else {
+ fprintf(fp, "via ");
+ print_color_string(PRINT_FP,
+ ifa_family_color(r->rtm_family),
+ NULL, "%s ", gateway);
+ }
+}
+
+static void print_rta_via(FILE *fp, const struct rtattr *rta)
+{
+ size_t len = RTA_PAYLOAD(rta) - 2;
+ const struct rtvia *via = RTA_DATA(rta);
+
+ if (is_json_context()) {
+ open_json_object("via");
+ print_string(PRINT_JSON, "family", NULL,
+ family_name(via->rtvia_family));
+ print_string(PRINT_JSON, "host", NULL,
+ format_host(via->rtvia_family, len,
+ via->rtvia_addr));
+ close_json_object();
+ } else {
+ print_string(PRINT_FP, NULL, "via %s ",
+ family_name(via->rtvia_family));
+ print_color_string(PRINT_FP,
+ ifa_family_color(via->rtvia_family),
+ NULL, "%s ",
+ format_host(via->rtvia_family,
+ len, via->rtvia_addr));
+ }
+}
+
+static void print_rta_metrics(FILE *fp, const struct rtattr *rta)
+{
+ struct rtattr *mxrta[RTAX_MAX+1];
+ unsigned int mxlock = 0;
+ int i;
+
+ open_json_array(PRINT_JSON, "metrics");
+
+ parse_rtattr(mxrta, RTAX_MAX, RTA_DATA(rta), RTA_PAYLOAD(rta));
+
+ if (mxrta[RTAX_LOCK])
+ mxlock = rta_getattr_u32(mxrta[RTAX_LOCK]);
+
+ for (i = 2; i <= RTAX_MAX; i++) {
+ __u32 val = 0U;
+
+ if (mxrta[i] == NULL && !(mxlock & (1 << i)))
+ continue;
+
+ if (mxrta[i] != NULL && i != RTAX_CC_ALGO)
+ val = rta_getattr_u32(mxrta[i]);
+
+ if (i == RTAX_HOPLIMIT && (int)val == -1)
+ continue;
+
+ if (!is_json_context()) {
+ if (i < sizeof(mx_names)/sizeof(char *) && mx_names[i])
+ fprintf(fp, "%s ", mx_names[i]);
+ else
+ fprintf(fp, "metric %d ", i);
+
+ if (mxlock & (1<<i))
+ fprintf(fp, "lock ");
+ }
+
+ switch (i) {
+ case RTAX_FEATURES:
+ print_rtax_features(fp, val);
+ break;
+ default:
+ fprintf(fp, "%u ", val);
+ break;
+
+ case RTAX_RTT:
+ case RTAX_RTTVAR:
+ case RTAX_RTO_MIN:
+ if (i == RTAX_RTT)
+ val /= 8;
+ else if (i == RTAX_RTTVAR)
+ val /= 4;
+
+ if (is_json_context())
+ print_uint(PRINT_JSON, mx_names[i],
+ NULL, val);
+ else {
+ if (val >= 1000)
+ fprintf(fp, "%gs ", val/1e3);
+ else
+ fprintf(fp, "%ums ", val);
+ }
+ break;
+ case RTAX_CC_ALGO:
+ print_string(PRINT_ANY, "congestion",
+ "%s ", rta_getattr_str(mxrta[i]));
+ break;
+ }
+ }
+
+ close_json_array(PRINT_JSON, NULL);
+}
+
+static void print_rta_multipath(FILE *fp, const struct rtmsg *r,
+ struct rtattr *rta)
+{
+ const struct rtnexthop *nh = RTA_DATA(rta);
+ int len = RTA_PAYLOAD(rta);
+ int first = 1;
+
+ while (len >= sizeof(*nh)) {
+ struct rtattr *tb[RTA_MAX + 1];
+
+ if (nh->rtnh_len > len)
+ break;
+
+ if (!is_json_context()) {
+ if ((r->rtm_flags & RTM_F_CLONED) &&
+ r->rtm_type == RTN_MULTICAST) {
+ if (first) {
+ fprintf(fp, "Oifs: ");
+ first = 0;
+ } else {
+ fprintf(fp, " ");
+ }
+ } else
+ fprintf(fp, "%s\tnexthop ", _SL_);
+ }
+
+ if (nh->rtnh_len > sizeof(*nh)) {
+ parse_rtattr(tb, RTA_MAX, RTNH_DATA(nh),
+ nh->rtnh_len - sizeof(*nh));
+
+ if (tb[RTA_ENCAP])
+ lwt_print_encap(fp,
+ tb[RTA_ENCAP_TYPE],
+ tb[RTA_ENCAP]);
+ if (tb[RTA_NEWDST])
+ print_rta_newdst(fp, r, tb[RTA_NEWDST]);
+ if (tb[RTA_GATEWAY])
+ print_rta_gateway(fp, r, tb[RTA_GATEWAY]);
+ if (tb[RTA_VIA])
+ print_rta_via(fp, tb[RTA_VIA]);
+ if (tb[RTA_FLOW])
+ print_rta_flow(fp, tb[RTA_FLOW]);
+ }
+
+ if ((r->rtm_flags & RTM_F_CLONED) &&
+ r->rtm_type == RTN_MULTICAST) {
+ fprintf(fp, "%s", ll_index_to_name(nh->rtnh_ifindex));
+ if (nh->rtnh_hops != 1)
+ fprintf(fp, "(ttl>%d)", nh->rtnh_hops);
+ fprintf(fp, " ");
+ } else {
+ fprintf(fp, "dev %s ", ll_index_to_name(nh->rtnh_ifindex));
+ if (r->rtm_family != AF_MPLS)
+ fprintf(fp, "weight %d ",
+ nh->rtnh_hops+1);
+ }
+
+ print_rt_flags(fp, nh->rtnh_flags);
+
+ len -= NLMSG_ALIGN(nh->rtnh_len);
+ nh = RTNH_NEXT(nh);
+ }
}
-int print_route(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
+int print_route(struct nlmsghdr *n, void *arg)
{
FILE *fp = (FILE *)arg;
struct rtmsg *r = NLMSG_DATA(n);
int len = n->nlmsg_len;
struct rtattr *tb[RTA_MAX+1];
- int host_len, family;
+ int family, color, host_len;
__u32 table;
int ret;
SPRINT_BUF(b1);
- static int hz;
if (n->nlmsg_type != RTM_NEWROUTE && n->nlmsg_type != RTM_DELROUTE) {
fprintf(stderr, "Not a route: %08x %08x %08x\n",
struct nlmsghdr *fn;
if (NLMSG_ALIGN(filter.flushp) + n->nlmsg_len > filter.flushe) {
- if ((ret = flush_update()) < 0)
+ ret = flush_update();
+ if (ret < 0)
return ret;
}
fn = (struct nlmsghdr *)(filter.flushb + NLMSG_ALIGN(filter.flushp));
return 0;
}
+ open_json_object(NULL);
if (n->nlmsg_type == RTM_DELROUTE)
- fprintf(fp, "Deleted ");
+ print_bool(PRINT_ANY, "deleted", "Deleted ", true);
+
if ((r->rtm_type != RTN_UNICAST || show_details > 0) &&
(!filter.typemask || (filter.typemask & (1 << r->rtm_type))))
- fprintf(fp, "%s ", rtnl_rtntype_n2a(r->rtm_type, b1, sizeof(b1)));
+ print_string(PRINT_ANY, NULL, "%s ",
+ rtnl_rtntype_n2a(r->rtm_type, b1, sizeof(b1)));
+ color = COLOR_NONE;
if (tb[RTA_DST]) {
family = get_real_family(r->rtm_type, r->rtm_family);
+ color = ifa_family_color(family);
+
if (r->rtm_dst_len != host_len) {
- fprintf(fp, "%s/%u ",
- rt_addr_n2a_rta(family, tb[RTA_DST]),
- r->rtm_dst_len);
+ snprintf(b1, sizeof(b1),
+ "%s/%u", rt_addr_n2a_rta(family, tb[RTA_DST]),
+ r->rtm_dst_len);
} else {
- fprintf(fp, "%s ",
- format_host_rta(family, tb[RTA_DST]));
+ format_host_rta_r(family, tb[RTA_DST],
+ b1, sizeof(b1));
+
}
} else if (r->rtm_dst_len) {
- fprintf(fp, "0/%d ", r->rtm_dst_len);
+ snprintf(b1, sizeof(b1), "0/%d ", r->rtm_dst_len);
} else {
- fprintf(fp, "default ");
+ strncpy(b1, "default", sizeof(b1));
}
+ print_color_string(PRINT_ANY, color,
+ "dst", "%s ", b1);
+
if (tb[RTA_SRC]) {
family = get_real_family(r->rtm_type, r->rtm_family);
+ color = ifa_family_color(family);
+
if (r->rtm_src_len != host_len) {
- fprintf(fp, "from %s/%u ",
- rt_addr_n2a_rta(family, tb[RTA_SRC]),
- r->rtm_src_len);
+ snprintf(b1, sizeof(b1),
+ "%s/%u",
+ rt_addr_n2a_rta(family, tb[RTA_SRC]),
+ r->rtm_src_len);
} else {
- fprintf(fp, "from %s ",
- format_host_rta(family, tb[RTA_SRC]));
+ format_host_rta_r(family, tb[RTA_SRC],
+ b1, sizeof(b1));
}
+ print_color_string(PRINT_ANY, color,
+ "from", "from %s ", b1);
} else if (r->rtm_src_len) {
- fprintf(fp, "from 0/%u ", r->rtm_src_len);
- }
- if (tb[RTA_NEWDST]) {
- fprintf(fp, "as to %s ",
- format_host_rta(r->rtm_family, tb[RTA_NEWDST]));
+ snprintf(b1, sizeof(b1), "0/%u", r->rtm_src_len);
+
+ print_string(PRINT_ANY, "src", "from %s ", b1);
}
+ if (tb[RTA_NEWDST])
+ print_rta_newdst(fp, r, tb[RTA_NEWDST]);
+
if (tb[RTA_ENCAP])
lwt_print_encap(fp, tb[RTA_ENCAP_TYPE], tb[RTA_ENCAP]);
if (r->rtm_tos && filter.tosmask != -1) {
- SPRINT_BUF(b1);
- fprintf(fp, "tos %s ", rtnl_dsfield_n2a(r->rtm_tos, b1, sizeof(b1)));
+ print_string(PRINT_ANY, "tos", "tos %s ",
+ rtnl_dsfield_n2a(r->rtm_tos, b1, sizeof(b1)));
}
- if (tb[RTA_GATEWAY] && filter.rvia.bitlen != host_len) {
- fprintf(fp, "via %s ",
- format_host_rta(r->rtm_family, tb[RTA_GATEWAY]));
- }
- if (tb[RTA_VIA]) {
- size_t len = RTA_PAYLOAD(tb[RTA_VIA]) - 2;
- struct rtvia *via = RTA_DATA(tb[RTA_VIA]);
+ if (tb[RTA_GATEWAY] && filter.rvia.bitlen != host_len)
+ print_rta_gateway(fp, r, tb[RTA_GATEWAY]);
+
+ if (tb[RTA_VIA])
+ print_rta_via(fp, tb[RTA_VIA]);
- fprintf(fp, "via %s %s ",
- family_name(via->rtvia_family),
- format_host(via->rtvia_family, len, via->rtvia_addr));
- }
if (tb[RTA_OIF] && filter.oifmask != -1)
- fprintf(fp, "dev %s ", ll_index_to_name(rta_getattr_u32(tb[RTA_OIF])));
+ print_rta_if(fp, tb[RTA_OIF], "dev");
if (table && (table != RT_TABLE_MAIN || show_details > 0) && !filter.tb)
- fprintf(fp, "table %s ", rtnl_rttable_n2a(table, b1, sizeof(b1)));
- if (!(r->rtm_flags&RTM_F_CLONED)) {
- if ((r->rtm_protocol != RTPROT_BOOT || show_details > 0) && filter.protocolmask != -1)
- fprintf(fp, "proto %s ", rtnl_rtprot_n2a(r->rtm_protocol, b1, sizeof(b1)));
- if ((r->rtm_scope != RT_SCOPE_UNIVERSE || show_details > 0) && filter.scopemask != -1)
- fprintf(fp, "scope %s ", rtnl_rtscope_n2a(r->rtm_scope, b1, sizeof(b1)));
+ print_string(PRINT_ANY,
+ "table", "table %s ",
+ rtnl_rttable_n2a(table, b1, sizeof(b1)));
+
+ if (!(r->rtm_flags & RTM_F_CLONED)) {
+ if ((r->rtm_protocol != RTPROT_BOOT || show_details > 0) &&
+ filter.protocolmask != -1)
+ print_string(PRINT_ANY,
+ "protocol", "proto %s ",
+ rtnl_rtprot_n2a(r->rtm_protocol,
+ b1, sizeof(b1)));
+
+ if ((r->rtm_scope != RT_SCOPE_UNIVERSE || show_details > 0) &&
+ filter.scopemask != -1)
+ print_string(PRINT_ANY,
+ "scope", "scope %s ",
+ rtnl_rtscope_n2a(r->rtm_scope,
+ b1, sizeof(b1)));
}
+
if (tb[RTA_PREFSRC] && filter.rprefsrc.bitlen != host_len) {
+ const char *psrc
+ = rt_addr_n2a_rta(r->rtm_family, tb[RTA_PREFSRC]);
+
/* Do not use format_host(). It is our local addr
and symbolic name will not be useful.
- */
- fprintf(fp, "src %s ",
- rt_addr_n2a_rta(r->rtm_family, tb[RTA_PREFSRC]));
- }
- if (tb[RTA_PRIORITY])
- fprintf(fp, "metric %u ", rta_getattr_u32(tb[RTA_PRIORITY]));
- if (r->rtm_flags & RTNH_F_DEAD)
- fprintf(fp, "dead ");
- if (r->rtm_flags & RTNH_F_ONLINK)
- fprintf(fp, "onlink ");
- if (r->rtm_flags & RTNH_F_PERVASIVE)
- fprintf(fp, "pervasive ");
- if (r->rtm_flags & RTNH_F_OFFLOAD)
- fprintf(fp, "offload ");
- if (r->rtm_flags & RTM_F_NOTIFY)
- fprintf(fp, "notify ");
- if (r->rtm_flags & RTNH_F_LINKDOWN)
- fprintf(fp, "linkdown ");
- if (r->rtm_flags & RTNH_F_UNRESOLVED)
- fprintf(fp, "unresolved ");
+ */
+ if (is_json_context())
+ print_string(PRINT_JSON, "prefsrc", NULL, psrc);
+ else {
+ fprintf(fp, "src ");
+ print_color_string(PRINT_FP,
+ ifa_family_color(r->rtm_family),
+ NULL, "%s ", psrc);
+ }
+
+ }
+
+ if (tb[RTA_PRIORITY] && filter.metricmask != -1)
+ print_uint(PRINT_ANY, "metric", "metric %u ",
+ rta_getattr_u32(tb[RTA_PRIORITY]));
+
+ print_rt_flags(fp, r->rtm_flags);
+
if (tb[RTA_MARK]) {
unsigned int mark = rta_getattr_u32(tb[RTA_MARK]);
if (mark) {
- if (mark >= 16)
- fprintf(fp, "mark 0x%x ", mark);
+ if (is_json_context())
+ print_uint(PRINT_JSON, "mark", NULL, mark);
+ else if (mark >= 16)
+ print_0xhex(PRINT_FP, NULL,
+ "mark 0x%llx ", mark);
else
- fprintf(fp, "mark %u ", mark);
+ print_uint(PRINT_FP, NULL,
+ "mark %u ", mark);
}
}
- if (tb[RTA_FLOW] && filter.realmmask != ~0U) {
- __u32 to = rta_getattr_u32(tb[RTA_FLOW]);
- __u32 from = to>>16;
-
- to &= 0xFFFF;
- fprintf(fp, "realm%s ", from ? "s" : "");
- if (from) {
- fprintf(fp, "%s/",
- rtnl_rtrealm_n2a(from, b1, sizeof(b1)));
- }
- fprintf(fp, "%s ",
- rtnl_rtrealm_n2a(to, b1, sizeof(b1)));
- }
+ if (tb[RTA_FLOW] && filter.realmmask != ~0U)
+ print_rta_flow(fp, tb[RTA_FLOW]);
if (tb[RTA_UID])
- fprintf(fp, "uid %u ", rta_getattr_u32(tb[RTA_UID]));
+ print_uint(PRINT_ANY, "uid", "uid %u ",
+ rta_getattr_u32(tb[RTA_UID]));
- if ((r->rtm_flags&RTM_F_CLONED) && r->rtm_family == AF_INET) {
- __u32 flags = r->rtm_flags&~0xFFFF;
- int first = 1;
+ if (r->rtm_family == AF_INET) {
+ if (r->rtm_flags & RTM_F_CLONED)
+ print_cache_flags(fp, r->rtm_flags);
- fprintf(fp, "%s cache ", _SL_);
-
-#define PRTFL(fl, flname) if (flags&RTCF_##fl) { \
- flags &= ~RTCF_##fl; \
- fprintf(fp, "%s" flname "%s", first ? "<" : "", flags ? "," : "> "); \
- first = 0; }
- PRTFL(LOCAL, "local");
- PRTFL(REJECT, "reject");
- PRTFL(MULTICAST, "mc");
- PRTFL(BROADCAST, "brd");
- PRTFL(DNAT, "dst-nat");
- PRTFL(SNAT, "src-nat");
- PRTFL(MASQ, "masq");
- PRTFL(DIRECTDST, "dst-direct");
- PRTFL(DIRECTSRC, "src-direct");
- PRTFL(REDIRECTED, "redirected");
- PRTFL(DOREDIRECT, "redirect");
- PRTFL(FAST, "fastroute");
- PRTFL(NOTIFY, "notify");
- PRTFL(TPROXY, "proxy");
-
- if (flags)
- fprintf(fp, "%s%x> ", first ? "<" : "", flags);
- if (tb[RTA_CACHEINFO]) {
- struct rta_cacheinfo *ci = RTA_DATA(tb[RTA_CACHEINFO]);
-
- if (!hz)
- hz = get_user_hz();
- if (ci->rta_expires != 0)
- fprintf(fp, "expires %dsec ", ci->rta_expires/hz);
- if (ci->rta_error != 0)
- fprintf(fp, "error %d ", ci->rta_error);
- if (show_stats) {
- if (ci->rta_clntref)
- fprintf(fp, "users %d ", ci->rta_clntref);
- if (ci->rta_used != 0)
- fprintf(fp, "used %d ", ci->rta_used);
- if (ci->rta_lastuse != 0)
- fprintf(fp, "age %dsec ", ci->rta_lastuse/hz);
- }
- if (ci->rta_id)
- fprintf(fp, "ipid 0x%04x ", ci->rta_id);
- if (ci->rta_ts || ci->rta_tsage)
- fprintf(fp, "ts 0x%x tsage %dsec ",
- ci->rta_ts, ci->rta_tsage);
- }
+ if (tb[RTA_CACHEINFO])
+ print_rta_cacheinfo(fp, RTA_DATA(tb[RTA_CACHEINFO]));
} else if (r->rtm_family == AF_INET6) {
- struct rta_cacheinfo *ci = NULL;
-
if (tb[RTA_CACHEINFO])
- ci = RTA_DATA(tb[RTA_CACHEINFO]);
- if ((r->rtm_flags & RTM_F_CLONED) || (ci && ci->rta_expires)) {
- if (!hz)
- hz = get_user_hz();
- if (r->rtm_flags & RTM_F_CLONED)
- fprintf(fp, "%s cache ", _SL_);
- if (ci->rta_expires)
- fprintf(fp, "expires %dsec ", ci->rta_expires/hz);
- if (ci->rta_error != 0)
- fprintf(fp, "error %d ", ci->rta_error);
- if (show_stats) {
- if (ci->rta_clntref)
- fprintf(fp, "users %d ", ci->rta_clntref);
- if (ci->rta_used != 0)
- fprintf(fp, "used %d ", ci->rta_used);
- if (ci->rta_lastuse != 0)
- fprintf(fp, "age %dsec ", ci->rta_lastuse/hz);
- }
- } else if (ci) {
- if (ci->rta_error != 0)
- fprintf(fp, "error %d ", ci->rta_error);
- }
+ print_rta_cacheinfo(fp, RTA_DATA(tb[RTA_CACHEINFO]));
}
- if (tb[RTA_METRICS]) {
- int i;
- unsigned int mxlock = 0;
- struct rtattr *mxrta[RTAX_MAX+1];
-
- parse_rtattr(mxrta, RTAX_MAX, RTA_DATA(tb[RTA_METRICS]),
- RTA_PAYLOAD(tb[RTA_METRICS]));
- if (mxrta[RTAX_LOCK])
- mxlock = rta_getattr_u32(mxrta[RTAX_LOCK]);
- for (i = 2; i <= RTAX_MAX; i++) {
- __u32 val = 0U;
+ if (tb[RTA_METRICS])
+ print_rta_metrics(fp, tb[RTA_METRICS]);
- if (mxrta[i] == NULL)
- continue;
+ if (tb[RTA_IIF] && filter.iifmask != -1)
+ print_rta_if(fp, tb[RTA_IIF], "iif");
- if (i != RTAX_CC_ALGO)
- val = rta_getattr_u32(mxrta[i]);
+ if (tb[RTA_MULTIPATH])
+ print_rta_multipath(fp, r, tb[RTA_MULTIPATH]);
- if (i == RTAX_HOPLIMIT && (int)val == -1)
- continue;
+ if (tb[RTA_PREF])
+ print_rt_pref(fp, rta_getattr_u8(tb[RTA_PREF]));
- if (i < sizeof(mx_names)/sizeof(char *) && mx_names[i])
- fprintf(fp, "%s ", mx_names[i]);
- else
- fprintf(fp, "metric %d ", i);
-
- if (mxlock & (1<<i))
- fprintf(fp, "lock ");
-
- switch (i) {
- case RTAX_FEATURES:
- print_rtax_features(fp, val);
- break;
- default:
- fprintf(fp, "%u ", val);
- break;
-
- case RTAX_RTT:
- case RTAX_RTTVAR:
- case RTAX_RTO_MIN:
- if (i == RTAX_RTT)
- val /= 8;
- else if (i == RTAX_RTTVAR)
- val /= 4;
-
- if (val >= 1000)
- fprintf(fp, "%gs ", val/1e3);
- else
- fprintf(fp, "%ums ", val);
- break;
- case RTAX_CC_ALGO:
- fprintf(fp, "%s ", rta_getattr_str(mxrta[i]));
- break;
- }
- }
- }
- if (tb[RTA_IIF] && filter.iifmask != -1) {
- fprintf(fp, "iif %s ",
- ll_index_to_name(rta_getattr_u32(tb[RTA_IIF])));
- }
- if (tb[RTA_MULTIPATH]) {
- struct rtnexthop *nh = RTA_DATA(tb[RTA_MULTIPATH]);
- int first = 1;
-
- len = RTA_PAYLOAD(tb[RTA_MULTIPATH]);
-
- for (;;) {
- if (len < sizeof(*nh))
- break;
- if (nh->rtnh_len > len)
- break;
- if (r->rtm_flags&RTM_F_CLONED && r->rtm_type == RTN_MULTICAST) {
- if (first) {
- fprintf(fp, "Oifs: ");
- first = 0;
- } else {
- fprintf(fp, " ");
- }
- } else
- fprintf(fp, "%s\tnexthop ", _SL_);
- if (nh->rtnh_len > sizeof(*nh)) {
- parse_rtattr(tb, RTA_MAX, RTNH_DATA(nh), nh->rtnh_len - sizeof(*nh));
-
- if (tb[RTA_ENCAP])
- lwt_print_encap(fp,
- tb[RTA_ENCAP_TYPE],
- tb[RTA_ENCAP]);
- if (tb[RTA_NEWDST]) {
- fprintf(fp, "as to %s ",
- format_host_rta(r->rtm_family,
- tb[RTA_NEWDST]));
- }
- if (tb[RTA_GATEWAY]) {
- fprintf(fp, "via %s ",
- format_host_rta(r->rtm_family,
- tb[RTA_GATEWAY]));
- }
- if (tb[RTA_VIA]) {
- size_t len = RTA_PAYLOAD(tb[RTA_VIA]) - 2;
- struct rtvia *via = RTA_DATA(tb[RTA_VIA]);
-
- fprintf(fp, "via %s %s ",
- family_name(via->rtvia_family),
- format_host(via->rtvia_family, len, via->rtvia_addr));
- }
- if (tb[RTA_FLOW]) {
- __u32 to = rta_getattr_u32(tb[RTA_FLOW]);
- __u32 from = to>>16;
-
- to &= 0xFFFF;
- fprintf(fp, "realm%s ", from ? "s" : "");
- if (from) {
- fprintf(fp, "%s/",
- rtnl_rtrealm_n2a(from, b1, sizeof(b1)));
- }
- fprintf(fp, "%s ",
- rtnl_rtrealm_n2a(to, b1, sizeof(b1)));
- }
- }
- if (r->rtm_flags&RTM_F_CLONED && r->rtm_type == RTN_MULTICAST) {
- fprintf(fp, "%s", ll_index_to_name(nh->rtnh_ifindex));
- if (nh->rtnh_hops != 1)
- fprintf(fp, "(ttl>%d)", nh->rtnh_hops);
- fprintf(fp, " ");
- } else {
- fprintf(fp, "dev %s ", ll_index_to_name(nh->rtnh_ifindex));
- if (r->rtm_family != AF_MPLS)
- fprintf(fp, "weight %d ",
- nh->rtnh_hops+1);
- }
- if (nh->rtnh_flags & RTNH_F_DEAD)
- fprintf(fp, "dead ");
- if (nh->rtnh_flags & RTNH_F_ONLINK)
- fprintf(fp, "onlink ");
- if (nh->rtnh_flags & RTNH_F_PERVASIVE)
- fprintf(fp, "pervasive ");
- if (nh->rtnh_flags & RTNH_F_LINKDOWN)
- fprintf(fp, "linkdown ");
- len -= NLMSG_ALIGN(nh->rtnh_len);
- nh = RTNH_NEXT(nh);
- }
- }
- if (tb[RTA_PREF]) {
- unsigned int pref = rta_getattr_u8(tb[RTA_PREF]);
-
- fprintf(fp, "pref ");
-
- switch (pref) {
- case ICMPV6_ROUTER_PREF_LOW:
- fprintf(fp, "low");
- break;
- case ICMPV6_ROUTER_PREF_MEDIUM:
- fprintf(fp, "medium");
- break;
- case ICMPV6_ROUTER_PREF_HIGH:
- fprintf(fp, "high");
- break;
- default:
- fprintf(fp, "%u", pref);
- }
- }
if (tb[RTA_TTL_PROPAGATE]) {
- fprintf(fp, "ttl-propagate ");
- if (rta_getattr_u8(tb[RTA_TTL_PROPAGATE]))
- fprintf(fp, "enabled");
+ bool propagate = rta_getattr_u8(tb[RTA_TTL_PROPAGATE]);
+
+ if (is_json_context())
+ print_bool(PRINT_JSON, "ttl-propogate", NULL,
+ propagate);
else
- fprintf(fp, "disabled");
+ print_string(PRINT_FP, NULL,
+ "ttl-propogate %s",
+ propagate ? "enabled" : "disabled");
}
- fprintf(fp, "\n");
+
+ print_string(PRINT_FP, NULL, "\n", NULL);
+ close_json_object();
fflush(fp);
return 0;
}
static int parse_one_nh(struct nlmsghdr *n, struct rtmsg *r,
- struct rtattr *rta, struct rtnexthop *rtnh,
+ struct rtattr *rta, size_t len, struct rtnexthop *rtnh,
int *argcp, char ***argvp)
{
int argc = *argcp;
if (r->rtm_family == AF_UNSPEC)
r->rtm_family = addr.family;
if (addr.family == r->rtm_family) {
- rta_addattr_l(rta, 4096, RTA_GATEWAY, &addr.data, addr.bytelen);
- rtnh->rtnh_len += sizeof(struct rtattr) + addr.bytelen;
+ if (rta_addattr_l(rta, len, RTA_GATEWAY,
+ &addr.data, addr.bytelen))
+ return -1;
+ rtnh->rtnh_len += sizeof(struct rtattr)
+ + addr.bytelen;
} else {
- rta_addattr_l(rta, 4096, RTA_VIA, &addr.family, addr.bytelen+2);
- rtnh->rtnh_len += RTA_SPACE(addr.bytelen+2);
+ if (rta_addattr_l(rta, len, RTA_VIA,
+ &addr.family, addr.bytelen + 2))
+ return -1;
+ rtnh->rtnh_len += RTA_SPACE(addr.bytelen + 2);
}
} else if (strcmp(*argv, "dev") == 0) {
NEXT_ARG();
- if ((rtnh->rtnh_ifindex = ll_name_to_index(*argv)) == 0) {
- fprintf(stderr, "Cannot find device \"%s\"\n", *argv);
- return -1;
- }
+ rtnh->rtnh_ifindex = ll_name_to_index(*argv);
+ if (!rtnh->rtnh_ifindex)
+ return nodev(*argv);
} else if (strcmp(*argv, "weight") == 0) {
unsigned int w;
NEXT_ARG();
if (get_rt_realms_or_raw(&realm, *argv))
invarg("\"realm\" value is invalid\n", *argv);
- rta_addattr32(rta, 4096, RTA_FLOW, realm);
+ if (rta_addattr32(rta, len, RTA_FLOW, realm))
+ return -1;
rtnh->rtnh_len += sizeof(struct rtattr) + 4;
} else if (strcmp(*argv, "encap") == 0) {
- int len = rta->rta_len;
+ int old_len = rta->rta_len;
- lwt_parse_encap(rta, 4096, &argc, &argv);
- rtnh->rtnh_len += rta->rta_len - len;
+ if (lwt_parse_encap(rta, len, &argc, &argv))
+ return -1;
+ rtnh->rtnh_len += rta->rta_len - old_len;
} else if (strcmp(*argv, "as") == 0) {
inet_prefix addr;
if (strcmp(*argv, "to") == 0)
NEXT_ARG();
get_addr(&addr, *argv, r->rtm_family);
- rta_addattr_l(rta, 4096, RTA_NEWDST, &addr.data,
- addr.bytelen);
+ if (rta_addattr_l(rta, len, RTA_NEWDST,
+ &addr.data, addr.bytelen))
+ return -1;
rtnh->rtnh_len += sizeof(struct rtattr) + addr.bytelen;
} else
break;
static int parse_nexthops(struct nlmsghdr *n, struct rtmsg *r,
int argc, char **argv)
{
- char buf[1024];
+ char buf[4096];
struct rtattr *rta = (void *)buf;
struct rtnexthop *rtnh;
memset(rtnh, 0, sizeof(*rtnh));
rtnh->rtnh_len = sizeof(*rtnh);
rta->rta_len += rtnh->rtnh_len;
- parse_one_nh(n, r, rta, rtnh, &argc, &argv);
+ if (parse_one_nh(n, r, rta, 4096, rtnh, &argc, &argv)) {
+ fprintf(stderr, "Error: cannot parse nexthop\n");
+ exit(-1);
+ }
rtnh = RTNH_NEXT(rtnh);
}
if (rta->rta_len > RTA_LENGTH(0))
- addattr_l(n, 1024, RTA_MULTIPATH, RTA_DATA(rta), RTA_PAYLOAD(rta));
+ return addattr_l(n, 4096, RTA_MULTIPATH,
+ RTA_DATA(rta), RTA_PAYLOAD(rta));
return 0;
}
struct {
struct nlmsghdr n;
struct rtmsg r;
- char buf[1024];
+ char buf[4096];
} req = {
.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg)),
.n.nlmsg_flags = NLM_F_REQUEST | flags,
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);
+ addattr_l(&req.n, sizeof(req),
+ RTA_PREFSRC, &addr.data, addr.bytelen);
} else if (strcmp(*argv, "as") == 0) {
inet_prefix addr;
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_NEWDST, &addr.data, addr.bytelen);
+ addattr_l(&req.n, sizeof(req),
+ RTA_NEWDST, &addr.data, addr.bytelen);
} else if (strcmp(*argv, "via") == 0) {
inet_prefix addr;
int family;
}
if (get_unsigned(&win, *argv, 0))
invarg("\"initcwnd\" value is invalid\n", *argv);
- rta_addattr32(mxrta, sizeof(mxbuf), RTAX_INITCWND, win);
+ rta_addattr32(mxrta, sizeof(mxbuf),
+ RTAX_INITCWND, win);
} else if (matches(*argv, "initrwnd") == 0) {
unsigned int win;
}
if (get_unsigned(&win, *argv, 0))
invarg("\"initrwnd\" value is invalid\n", *argv);
- rta_addattr32(mxrta, sizeof(mxbuf), RTAX_INITRWND, win);
+ rta_addattr32(mxrta, sizeof(mxbuf),
+ RTAX_INITRWND, win);
} else if (matches(*argv, "features") == 0) {
unsigned int features = 0;
break;
}
- rta_addattr32(mxrta, sizeof(mxbuf), RTAX_FEATURES, features);
+ rta_addattr32(mxrta, sizeof(mxbuf),
+ RTAX_FEATURES, features);
} else if (matches(*argv, "quickack") == 0) {
unsigned int quickack;
invarg("\"quickack\" value is invalid\n", *argv);
if (quickack != 1 && quickack != 0)
invarg("\"quickack\" value should be 0 or 1\n", *argv);
- rta_addattr32(mxrta, sizeof(mxbuf), RTAX_QUICKACK, quickack);
+ rta_addattr32(mxrta, sizeof(mxbuf),
+ RTAX_QUICKACK, quickack);
} else if (matches(*argv, "congctl") == 0) {
NEXT_ARG();
if (strcmp(*argv, "lock") == 0) {
lwt_parse_encap(rta, sizeof(buf), &argc, &argv);
if (rta->rta_len > RTA_LENGTH(0))
- addraw_l(&req.n, 1024, RTA_DATA(rta), RTA_PAYLOAD(rta));
+ addraw_l(&req.n, 1024
+ , RTA_DATA(rta), RTA_PAYLOAD(rta));
} else if (strcmp(*argv, "ttl-propagate") == 0) {
__u8 ttl_prop;
addattr8(&req.n, sizeof(req), RTA_TTL_PROPAGATE,
ttl_prop);
+ } else if (matches(*argv, "fastopen_no_cookie") == 0) {
+ unsigned int fastopen_no_cookie;
+
+ NEXT_ARG();
+ if (get_unsigned(&fastopen_no_cookie, *argv, 0))
+ invarg("\"fastopen_no_cookie\" value is invalid\n", *argv);
+ if (fastopen_no_cookie != 1 && fastopen_no_cookie != 0)
+ invarg("\"fastopen_no_cookie\" value should be 0 or 1\n", *argv);
+ rta_addattr32(mxrta, sizeof(mxbuf), RTAX_FASTOPEN_NO_COOKIE, fastopen_no_cookie);
} else {
int type;
inet_prefix dst;
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);
+ addattr_l(&req.n, sizeof(req),
+ RTA_DST, &dst.data, dst.bytelen);
}
argc--; argv++;
}
usage();
if (d) {
- int idx;
+ int idx = ll_name_to_index(d);
- if ((idx = ll_name_to_index(d)) == 0) {
- fprintf(stderr, "Cannot find device \"%s\"\n", d);
- return -1;
- }
+ if (!idx)
+ return nodev(d);
addattr32(&req.n, sizeof(req), RTA_OIF, idx);
}
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 (nhs_ok && parse_nexthops(&req.n, &req.r, argc, argv))
+ return -1;
if (req.r.rtm_family == AF_UNSPEC)
req.r.rtm_family = AF_INET;
if (!type_ok && req.r.rtm_family == AF_MPLS)
req.r.rtm_type = RTN_UNICAST;
- if (rtnl_talk(&rth, &req.n, NULL, 0) < 0)
+ if (rtnl_talk(&rth, &req.n, NULL) < 0)
return -2;
return 0;
}
-static int rtnl_rtcache_request(struct rtnl_handle *rth, int family)
-{
- struct {
- struct nlmsghdr nlh;
- struct rtmsg rtm;
- } req = {
- .nlh.nlmsg_len = sizeof(req),
- .nlh.nlmsg_type = RTM_GETROUTE,
- .nlh.nlmsg_flags = NLM_F_ROOT | NLM_F_REQUEST,
- .nlh.nlmsg_seq = rth->dump = ++rth->seq,
- .rtm.rtm_family = family,
- .rtm.rtm_flags = RTM_F_CLONED,
- };
- struct sockaddr_nl nladdr = { .nl_family = AF_NETLINK };
-
- return sendto(rth->fd, (void *)&req, sizeof(req), 0, (struct sockaddr *)&nladdr, sizeof(nladdr));
-}
-
static int iproute_flush_cache(void)
{
#define ROUTE_FLUSH_PATH "/proc/sys/net/ipv4/route/flush"
static __u32 route_dump_magic = 0x45311224;
-static int save_route(const struct sockaddr_nl *who, struct nlmsghdr *n,
- void *arg)
+static int save_route(struct nlmsghdr *n, void *arg)
{
int ret;
int len = n->nlmsg_len;
return 0;
}
+static int iproute_flush(int family, rtnl_filter_t filter_fn)
+{
+ time_t start = time(0);
+ char flushb[4096-512];
+ int round = 0;
+ int ret;
+
+ if (filter.cloned) {
+ if (family != AF_INET6) {
+ iproute_flush_cache();
+ if (show_stats)
+ printf("*** IPv4 routing cache is flushed.\n");
+ }
+ if (family == AF_INET)
+ return 0;
+ }
+
+ filter.flushb = flushb;
+ filter.flushp = 0;
+ filter.flushe = sizeof(flushb);
+
+ for (;;) {
+ if (rtnl_routedump_req(&rth, family, NULL) < 0) {
+ perror("Cannot send dump request");
+ return -2;
+ }
+ filter.flushed = 0;
+ if (rtnl_dump_filter(&rth, filter_fn, stdout) < 0) {
+ fprintf(stderr, "Flush terminated\n");
+ return -2;
+ }
+ if (filter.flushed == 0) {
+ if (show_stats) {
+ if (round == 0 &&
+ (!filter.cloned || family == AF_INET6))
+ printf("Nothing to flush.\n");
+ else
+ printf("*** Flush is complete after %d round%s ***\n",
+ round, round > 1 ? "s" : "");
+ }
+ fflush(stdout);
+ return 0;
+ }
+ round++;
+ ret = flush_update();
+ if (ret < 0)
+ return ret;
+
+ if (time(0) - start > 30) {
+ printf("\n*** Flush not completed after %ld seconds, %d entries remain ***\n",
+ (long)(time(0) - start), filter.flushed);
+ return -1;
+ }
+
+ if (show_stats) {
+ printf("\n*** Round %d, deleting %d entries ***\n",
+ round, filter.flushed);
+ fflush(stdout);
+ }
+ }
+}
+
+static int iproute_dump_filter(struct nlmsghdr *nlh, int reqlen)
+{
+ struct rtmsg *rtm = NLMSG_DATA(nlh);
+ int err;
+
+ rtm->rtm_protocol = filter.protocol;
+ if (filter.cloned)
+ rtm->rtm_flags |= RTM_F_CLONED;
+
+ if (filter.tb) {
+ err = addattr32(nlh, reqlen, RTA_TABLE, filter.tb);
+ if (err)
+ return err;
+ }
+
+ if (filter.oif) {
+ err = addattr32(nlh, reqlen, RTA_OIF, filter.oif);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
static int iproute_list_flush_or_save(int argc, char **argv, int action)
{
- int do_ipv6 = preferred_family;
+ int dump_family = preferred_family;
char *id = NULL;
char *od = NULL;
unsigned int mark = 0;
rtnl_filter_t filter_fn;
- int ret;
if (action == IPROUTE_SAVE) {
if (save_route_prep())
id = *argv;
} else if (strcmp(*argv, "mark") == 0) {
NEXT_ARG();
- get_unsigned(&mark, *argv, 0);
+ if (get_unsigned(&mark, *argv, 0))
+ invarg("invalid mark value", *argv);
filter.markmask = -1;
+ } else if (matches(*argv, "metric") == 0 ||
+ matches(*argv, "priority") == 0 ||
+ strcmp(*argv, "preference") == 0) {
+ __u32 metric;
+
+ NEXT_ARG();
+ if (get_u32(&metric, *argv, 0))
+ invarg("\"metric\" value is invalid\n", *argv);
+ filter.metric = metric;
+ filter.metricmask = -1;
} else if (strcmp(*argv, "via") == 0) {
int family;
NEXT_ARG();
family = read_family(*argv);
if (family == AF_UNSPEC)
- family = do_ipv6;
+ family = dump_family;
else
NEXT_ARG();
get_prefix(&filter.rvia, *argv, family);
} else if (strcmp(*argv, "src") == 0) {
NEXT_ARG();
- get_prefix(&filter.rprefsrc, *argv, do_ipv6);
+ get_prefix(&filter.rprefsrc, *argv, dump_family);
} else if (matches(*argv, "realms") == 0) {
__u32 realm;
NEXT_ARG();
if (matches(*argv, "root") == 0) {
NEXT_ARG();
- get_prefix(&filter.rsrc, *argv, do_ipv6);
+ get_prefix(&filter.rsrc, *argv, dump_family);
} else if (matches(*argv, "match") == 0) {
NEXT_ARG();
- get_prefix(&filter.msrc, *argv, do_ipv6);
+ get_prefix(&filter.msrc, *argv, dump_family);
} else {
if (matches(*argv, "exact") == 0) {
NEXT_ARG();
}
- get_prefix(&filter.msrc, *argv, do_ipv6);
+ get_prefix(&filter.msrc, *argv, dump_family);
filter.rsrc = filter.msrc;
}
} else {
}
if (matches(*argv, "root") == 0) {
NEXT_ARG();
- get_prefix(&filter.rdst, *argv, do_ipv6);
+ get_prefix(&filter.rdst, *argv, dump_family);
} else if (matches(*argv, "match") == 0) {
NEXT_ARG();
- get_prefix(&filter.mdst, *argv, do_ipv6);
+ get_prefix(&filter.mdst, *argv, dump_family);
} else {
if (matches(*argv, "exact") == 0) {
NEXT_ARG();
}
- get_prefix(&filter.mdst, *argv, do_ipv6);
+ get_prefix(&filter.mdst, *argv, dump_family);
filter.rdst = filter.mdst;
}
}
argc--; argv++;
}
- if (do_ipv6 == AF_UNSPEC && filter.tb)
- do_ipv6 = AF_INET;
+ if (dump_family == AF_UNSPEC && filter.tb)
+ dump_family = AF_INET;
if (id || od) {
int idx;
if (id) {
- if ((idx = ll_name_to_index(id)) == 0) {
- fprintf(stderr, "Cannot find device \"%s\"\n", id);
- return -1;
- }
+ idx = ll_name_to_index(id);
+ if (!idx)
+ return nodev(id);
filter.iif = idx;
filter.iifmask = -1;
}
if (od) {
- if ((idx = ll_name_to_index(od)) == 0) {
- fprintf(stderr, "Cannot find device \"%s\"\n", od);
- return -1;
- }
+ idx = ll_name_to_index(od);
+ if (!idx)
+ return nodev(od);
filter.oif = idx;
filter.oifmask = -1;
}
}
filter.mark = mark;
- if (action == IPROUTE_FLUSH) {
- int round = 0;
- char flushb[4096-512];
- time_t start = time(0);
+ if (action == IPROUTE_FLUSH)
+ return iproute_flush(dump_family, filter_fn);
- if (filter.cloned) {
- if (do_ipv6 != AF_INET6) {
- iproute_flush_cache();
- if (show_stats)
- printf("*** IPv4 routing cache is flushed.\n");
- }
- if (do_ipv6 == AF_INET)
- return 0;
- }
-
- filter.flushb = flushb;
- filter.flushp = 0;
- filter.flushe = sizeof(flushb);
-
- for (;;) {
- if (rtnl_wilddump_request(&rth, do_ipv6, RTM_GETROUTE) < 0) {
- perror("Cannot send dump request");
- return -2;
- }
- filter.flushed = 0;
- if (rtnl_dump_filter(&rth, filter_fn, stdout) < 0) {
- fprintf(stderr, "Flush terminated\n");
- return -2;
- }
- if (filter.flushed == 0) {
- if (show_stats) {
- if (round == 0 && (!filter.cloned || do_ipv6 == AF_INET6))
- 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 ((ret = flush_update()) < 0)
- return ret;
-
- if (time(0) - start > 30) {
- printf("\n*** Flush not completed after %ld seconds, %d entries remain ***\n",
- (long)(time(0) - start), filter.flushed);
- return -1;
- }
-
- if (show_stats) {
- printf("\n*** Round %d, deleting %d entries ***\n", round, filter.flushed);
- fflush(stdout);
- }
- }
+ if (rtnl_routedump_req(&rth, dump_family, iproute_dump_filter) < 0) {
+ perror("Cannot send dump request");
+ return -2;
}
- if (!filter.cloned) {
- if (rtnl_wilddump_request(&rth, do_ipv6, RTM_GETROUTE) < 0) {
- perror("Cannot send dump request");
- return -2;
- }
- } else {
- if (rtnl_rtcache_request(&rth, do_ipv6) < 0) {
- perror("Cannot send dump request");
- return -2;
- }
- }
+ new_json_obj(json);
if (rtnl_dump_filter(&rth, filter_fn, stdout) < 0) {
fprintf(stderr, "Dump terminated\n");
return -2;
}
+ delete_json_obj();
+ fflush(stdout);
return 0;
}
};
char *idev = NULL;
char *odev = NULL;
+ struct nlmsghdr *answer;
int connected = 0;
int fib_match = 0;
int from_ok = 0;
unsigned int mark = 0;
+ bool address_found = false;
iproute_reset_filter(0);
filter.cloned = 2;
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);
+ addattr_l(&req.n, sizeof(req), RTA_SRC,
+ &addr.data, addr.bytelen);
req.r.rtm_src_len = addr.bitlen;
} else if (matches(*argv, "iif") == 0) {
NEXT_ARG();
idev = *argv;
} else if (matches(*argv, "mark") == 0) {
NEXT_ARG();
- get_unsigned(&mark, *argv, 0);
+ if (get_unsigned(&mark, *argv, 0))
+ invarg("invalid mark value", *argv);
} else if (matches(*argv, "oif") == 0 ||
strcmp(*argv, "dev") == 0) {
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_NEWDST, &addr.data, addr.bytelen);
+ addattr_l(&req.n, sizeof(req), RTA_NEWDST,
+ &addr.data, addr.bytelen);
+ } else if (matches(*argv, "sport") == 0) {
+ __be16 sport;
+
+ NEXT_ARG();
+ if (get_be16(&sport, *argv, 0))
+ invarg("invalid sport\n", *argv);
+ addattr16(&req.n, sizeof(req), RTA_SPORT, sport);
+ } else if (matches(*argv, "dport") == 0) {
+ __be16 dport;
+
+ NEXT_ARG();
+ if (get_be16(&dport, *argv, 0))
+ invarg("invalid dport\n", *argv);
+ addattr16(&req.n, sizeof(req), RTA_DPORT, dport);
+ } else if (matches(*argv, "ipproto") == 0) {
+ int ipproto;
+
+ NEXT_ARG();
+ ipproto = inet_proto_a2n(*argv);
+ if (ipproto < 0)
+ invarg("Invalid \"ipproto\" value\n",
+ *argv);
+ addattr8(&req.n, sizeof(req), RTA_IP_PROTO, ipproto);
} else {
inet_prefix addr;
if (req.r.rtm_family == AF_UNSPEC)
req.r.rtm_family = addr.family;
if (addr.bytelen)
- addattr_l(&req.n, sizeof(req), RTA_DST, &addr.data, addr.bytelen);
+ addattr_l(&req.n, sizeof(req),
+ RTA_DST, &addr.data, addr.bytelen);
req.r.rtm_dst_len = addr.bitlen;
+ address_found = true;
}
argc--; argv++;
}
- if (req.r.rtm_dst_len == 0) {
+ if (!address_found) {
fprintf(stderr, "need at least a destination address\n");
return -1;
}
int idx;
if (idev) {
- if ((idx = ll_name_to_index(idev)) == 0) {
- fprintf(stderr, "Cannot find device \"%s\"\n", idev);
- return -1;
- }
+ idx = ll_name_to_index(idev);
+ if (!idx)
+ return nodev(idev);
addattr32(&req.n, sizeof(req), RTA_IIF, idx);
}
if (odev) {
- if ((idx = ll_name_to_index(odev)) == 0) {
- fprintf(stderr, "Cannot find device \"%s\"\n", odev);
- return -1;
- }
+ idx = ll_name_to_index(odev);
+ if (!idx)
+ return nodev(odev);
addattr32(&req.n, sizeof(req), RTA_OIF, idx);
}
}
if (req.r.rtm_family == AF_UNSPEC)
req.r.rtm_family = AF_INET;
- req.r.rtm_flags |= RTM_F_LOOKUP_TABLE;
+ /* Only IPv4 supports the RTM_F_LOOKUP_TABLE flag */
+ if (req.r.rtm_family == AF_INET)
+ req.r.rtm_flags |= RTM_F_LOOKUP_TABLE;
if (fib_match)
req.r.rtm_flags |= RTM_F_FIB_MATCH;
- if (rtnl_talk(&rth, &req.n, &req.n, sizeof(req)) < 0)
+ if (rtnl_talk(&rth, &req.n, &answer) < 0)
return -2;
if (connected && !from_ok) {
- struct rtmsg *r = NLMSG_DATA(&req.n);
- int len = req.n.nlmsg_len;
+ struct rtmsg *r = NLMSG_DATA(answer);
+ int len = answer->nlmsg_len;
struct rtattr *tb[RTA_MAX+1];
- if (print_route(NULL, &req.n, (void *)stdout) < 0) {
+ if (print_route(answer, (void *)stdout) < 0) {
fprintf(stderr, "An error :-)\n");
+ free(answer);
return -1;
}
- if (req.n.nlmsg_type != RTM_NEWROUTE) {
+ if (answer->nlmsg_type != RTM_NEWROUTE) {
fprintf(stderr, "Not a route?\n");
+ free(answer);
return -1;
}
len -= NLMSG_LENGTH(sizeof(*r));
if (len < 0) {
fprintf(stderr, "Wrong len %d\n", len);
+ free(answer);
return -1;
}
r->rtm_src_len = 8*RTA_PAYLOAD(tb[RTA_PREFSRC]);
} else if (!tb[RTA_SRC]) {
fprintf(stderr, "Failed to connect the route\n");
+ free(answer);
return -1;
}
if (!odev && tb[RTA_OIF])
req.n.nlmsg_flags = NLM_F_REQUEST;
req.n.nlmsg_type = RTM_GETROUTE;
- if (rtnl_talk(&rth, &req.n, &req.n, sizeof(req)) < 0)
+ free(answer);
+ if (rtnl_talk(&rth, &req.n, &answer) < 0)
return -2;
}
- if (print_route(NULL, &req.n, (void *)stdout) < 0) {
+ if (print_route(answer, (void *)stdout) < 0) {
fprintf(stderr, "An error :-)\n");
+ free(answer);
return -1;
}
+ free(answer);
return 0;
}
return memcmp(RTA_DATA(rta1), RTA_DATA(rta2), RTA_PAYLOAD(rta1));
}
-static int restore_handler(const struct sockaddr_nl *nl,
- struct rtnl_ctrl_data *ctrl,
+static int restore_handler(struct rtnl_ctrl_data *ctrl,
struct nlmsghdr *n, void *arg)
{
struct rtmsg *r = NLMSG_DATA(n);
ll_init_map(&rth);
- ret = rtnl_talk(&rth, n, n, sizeof(*n));
+ ret = rtnl_talk(&rth, n, NULL);
if ((ret < 0) && (errno == EEXIST))
ret = 0;
return 0;
}
-static int show_handler(const struct sockaddr_nl *nl,
- struct rtnl_ctrl_data *ctrl,
+static int show_handler(struct rtnl_ctrl_data *ctrl,
struct nlmsghdr *n, void *arg)
{
- print_route(nl, n, stdout);
+ print_route(n, stdout);
return 0;
}
return iproute_showdump();
if (matches(*argv, "help") == 0)
usage();
- fprintf(stderr, "Command \"%s\" is unknown, try \"ip route help\".\n", *argv);
+
+ fprintf(stderr,
+ "Command \"%s\" is unknown, try \"ip route help\".\n", *argv);
exit(-1);
}
projects / mirror_iproute2.git / blobdiff