* 2 of the License, or (at your option) any later version.
*
* Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
- *
- *
- * Changes:
- *
- * Rani Assaf <rani@magic.metawire.com> 980929: resolve addresses
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
-#include <syslog.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include "SNAPSHOT.h"
#include "utils.h"
#include "ip_common.h"
-#include "veth.h"
+#include "namespace.h"
+#include "color.h"
int preferred_family = AF_UNSPEC;
-int show_stats = 0;
-int resolve_hosts = 0;
-int oneline = 0;
-int timestamp = 0;
-char * _SL_ = NULL;
-char *batch_file = NULL;
-int force = 0;
+int human_readable;
+int use_iec;
+int show_stats;
+int show_details;
+int oneline;
+int brief;
+int json;
+int timestamp;
+int force;
+int max_flush_loops = 10;
+int batch_mode;
+bool do_all;
+
struct rtnl_handle rth = { .fd = -1 };
static void usage(void) __attribute__((noreturn));
{
fprintf(stderr,
"Usage: ip [ OPTIONS ] OBJECT { COMMAND | help }\n"
-" ip [ -force ] [-batch filename\n"
-"where OBJECT := { link | addr | route | rule | neigh | ntable | tunnel |\n"
-" maddr | mroute | monitor | xfrm | veth }\n"
-" OPTIONS := { -V[ersion] | -s[tatistics] | -r[esolve] |\n"
-" -f[amily] { inet | inet6 | ipx | dnet | link } |\n"
-" -o[neline] | -t[imestamp] }\n");
+" ip [ -force ] -batch filename\n"
+"where OBJECT := { link | address | addrlabel | route | rule | neigh | ntable |\n"
+" tunnel | tuntap | maddress | mroute | mrule | monitor | xfrm |\n"
+" netns | l2tp | fou | macsec | tcp_metrics | token | netconf | ila |\n"
+" vrf | sr }\n"
+" OPTIONS := { -V[ersion] | -s[tatistics] | -d[etails] | -r[esolve] |\n"
+" -h[uman-readable] | -iec | -j[son] | -p[retty] |\n"
+" -f[amily] { inet | inet6 | ipx | dnet | mpls | bridge | link } |\n"
+" -4 | -6 | -I | -D | -M | -B | -0 |\n"
+" -l[oops] { maximum-addr-flush-attempts } | -br[ief] |\n"
+" -o[neline] | -t[imestamp] | -ts[hort] | -b[atch] [filename] |\n"
+" -rc[vbuf] [size] | -n[etns] name | -a[ll] | -c[olor]}\n");
exit(-1);
}
static int do_help(int argc, char **argv)
{
usage();
+ return 0;
}
static const struct cmd {
const char *cmd;
int (*func)(int argc, char **argv);
} cmds[] = {
- { "address", do_ipaddr },
+ { "address", do_ipaddr },
+ { "addrlabel", do_ipaddrlabel },
{ "maddress", do_multiaddr },
{ "route", do_iproute },
{ "rule", do_iprule },
{ "ntable", do_ipntable },
{ "ntbl", do_ipntable },
{ "link", do_iplink },
+ { "l2tp", do_ipl2tp },
+ { "fou", do_ipfou },
+ { "ila", do_ipila },
+ { "macsec", do_ipmacsec },
{ "tunnel", do_iptunnel },
{ "tunl", do_iptunnel },
+ { "tuntap", do_iptuntap },
+ { "tap", do_iptuntap },
+ { "token", do_iptoken },
+ { "tcpmetrics", do_tcp_metrics },
+ { "tcp_metrics", do_tcp_metrics },
{ "monitor", do_ipmonitor },
{ "xfrm", do_xfrm },
{ "mroute", do_multiroute },
- { "veth", do_veth },
+ { "mrule", do_multirule },
+ { "netns", do_netns },
+ { "netconf", do_ipnetconf },
+ { "vrf", do_ipvrf},
+ { "sr", do_seg6 },
{ "help", do_help },
{ 0 }
};
for (c = cmds; c->cmd; ++c) {
if (matches(argv0, c->cmd) == 0)
- return c->func(argc-1, argv+1);
+ return -(c->func(argc-1, argv+1));
}
fprintf(stderr, "Object \"%s\" is unknown, try \"ip help\".\n", argv0);
- return -1;
+ return EXIT_FAILURE;
}
static int batch(const char *name)
{
char *line = NULL;
size_t len = 0;
- int ret = 0;
- int lineno = 0;
+ int ret = EXIT_SUCCESS;
+ int orig_family = preferred_family;
+
+ batch_mode = 1;
if (name && strcmp(name, "-") != 0) {
if (freopen(name, "r", stdin) == NULL) {
- fprintf(stderr, "Cannot open file \"%s\" for reading: %s=n",
+ fprintf(stderr,
+ "Cannot open file \"%s\" for reading: %s\n",
name, strerror(errno));
- return -1;
+ return EXIT_FAILURE;
}
}
if (rtnl_open(&rth, 0) < 0) {
fprintf(stderr, "Cannot open rtnetlink\n");
- return -1;
+ return EXIT_FAILURE;
}
+ cmdlineno = 0;
while (getcmdline(&line, &len, stdin) != -1) {
char *largv[100];
int largc;
+ preferred_family = orig_family;
+
largc = makeargs(line, largv, 100);
if (largc == 0)
continue; /* blank line */
if (do_cmd(largv[0], largc, largv)) {
- fprintf(stderr, "Command failed %s:%d\n", name, lineno);
- ret = 1;
+ fprintf(stderr, "Command failed %s:%d\n",
+ name, cmdlineno);
+ ret = EXIT_FAILURE;
if (!force)
break;
}
int main(int argc, char **argv)
{
char *basename;
+ char *batch_file = NULL;
+ int color = 0;
+
+ /* to run vrf exec without root, capabilities might be set, drop them
+ * if not needed as the first thing.
+ * execv will drop them for the child command.
+ * vrf exec requires:
+ * - cap_dac_override to create the cgroup subdir in /sys
+ * - cap_sys_admin to load the BPF program
+ * - cap_net_admin to set the socket into the cgroup
+ */
+ if (argc < 3 || strcmp(argv[1], "vrf") != 0 ||
+ strcmp(argv[2], "exec") != 0)
+ drop_cap();
basename = strrchr(argv[0], '/');
if (basename == NULL)
while (argc > 1) {
char *opt = argv[1];
- if (strcmp(opt,"--") == 0) {
+
+ if (strcmp(opt, "--") == 0) {
argc--; argv++;
break;
}
break;
if (opt[1] == '-')
opt++;
- if (matches(opt, "-family") == 0) {
+ if (matches(opt, "-loops") == 0) {
argc--;
argv++;
if (argc <= 1)
usage();
- if (strcmp(argv[1], "inet") == 0)
- preferred_family = AF_INET;
- else if (strcmp(argv[1], "inet6") == 0)
- preferred_family = AF_INET6;
- else if (strcmp(argv[1], "dnet") == 0)
- preferred_family = AF_DECnet;
- else if (strcmp(argv[1], "link") == 0)
- preferred_family = AF_PACKET;
- else if (strcmp(argv[1], "ipx") == 0)
- preferred_family = AF_IPX;
- else if (strcmp(argv[1], "help") == 0)
+ max_flush_loops = atoi(argv[1]);
+ } else if (matches(opt, "-family") == 0) {
+ argc--;
+ argv++;
+ if (argc <= 1)
+ usage();
+ if (strcmp(argv[1], "help") == 0)
usage();
else
- invarg(argv[1], "invalid protocol family");
+ preferred_family = read_family(argv[1]);
+ if (preferred_family == AF_UNSPEC)
+ invarg("invalid protocol family", argv[1]);
} else if (strcmp(opt, "-4") == 0) {
preferred_family = AF_INET;
} else if (strcmp(opt, "-6") == 0) {
preferred_family = AF_IPX;
} else if (strcmp(opt, "-D") == 0) {
preferred_family = AF_DECnet;
+ } else if (strcmp(opt, "-M") == 0) {
+ preferred_family = AF_MPLS;
+ } else if (strcmp(opt, "-B") == 0) {
+ preferred_family = AF_BRIDGE;
+ } else if (matches(opt, "-human") == 0 ||
+ matches(opt, "-human-readable") == 0) {
+ ++human_readable;
+ } else if (matches(opt, "-iec") == 0) {
+ ++use_iec;
} else if (matches(opt, "-stats") == 0 ||
matches(opt, "-statistics") == 0) {
++show_stats;
+ } else if (matches(opt, "-details") == 0) {
+ ++show_details;
} else if (matches(opt, "-resolve") == 0) {
++resolve_hosts;
} else if (matches(opt, "-oneline") == 0) {
++oneline;
} else if (matches(opt, "-timestamp") == 0) {
++timestamp;
-#if 0
- } else if (matches(opt, "-numeric") == 0) {
- rtnl_names_numeric++;
-#endif
+ } else if (matches(opt, "-tshort") == 0) {
+ ++timestamp;
+ ++timestamp_short;
} else if (matches(opt, "-Version") == 0) {
printf("ip utility, iproute2-ss%s\n", SNAPSHOT);
exit(0);
if (argc <= 1)
usage();
batch_file = argv[1];
+ } else if (matches(opt, "-brief") == 0) {
+ ++brief;
+ } else if (matches(opt, "-json") == 0) {
+ ++json;
+ } else if (matches(opt, "-pretty") == 0) {
+ ++pretty;
+ } else if (matches(opt, "-rcvbuf") == 0) {
+ unsigned int size;
+
+ argc--;
+ argv++;
+ if (argc <= 1)
+ usage();
+ if (get_unsigned(&size, argv[1], 0)) {
+ fprintf(stderr, "Invalid rcvbuf size '%s'\n",
+ argv[1]);
+ exit(-1);
+ }
+ rcvbuf = size;
+ } else if (matches_color(opt, &color)) {
} else if (matches(opt, "-help") == 0) {
usage();
+ } else if (matches(opt, "-netns") == 0) {
+ NEXT_ARG();
+ if (netns_switch(argv[1]))
+ exit(-1);
+ } else if (matches(opt, "-all") == 0) {
+ do_all = true;
} else {
- fprintf(stderr, "Option \"%s\" is unknown, try \"ip -help\".\n", opt);
+ fprintf(stderr,
+ "Option \"%s\" is unknown, try \"ip -help\".\n",
+ opt);
exit(-1);
}
argc--; argv++;
}
- _SL_ = oneline ? "\\" : "\n" ;
+ _SL_ = oneline ? "\\" : "\n";
+
+ check_enable_color(color, json);
if (batch_file)
return batch(batch_file);