/* vi: set sw=4 ts=4: */
/*
- * ip.c "ip" utility frontend.
- *
- * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
- *
- * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*
+ * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
*
* Changes:
- *
- * Rani Assaf <rani@magic.metawire.com> 980929: resolve addresses
- * Bernhard Fischer rewrote to use index_in_substr_array
+ * Rani Assaf <rani@magic.metawire.com> 980929: resolve addresses
+ * Bernhard Reutner-Fischer rewrote to use index_in_substr_array
*/
+//config:config IP
+//config: bool "ip (35 kb)"
+//config: default y
+//config: select PLATFORM_LINUX
+//config: help
+//config: The "ip" applet is a TCP/IP interface configuration and routing
+//config: utility.
+//config: Short forms (enabled below) are busybox-specific extensions.
+//config: The standard "ip" utility does not provide them. If you are
+//config: trying to be portable, it's better to use "ip CMD" forms.
+//config:
+//config:config IPADDR
+//config: bool "ipaddr (14 kb)"
+//config: default y
+//config: select FEATURE_IP_ADDRESS
+//config: select PLATFORM_LINUX
+//config: help
+//config: Short form of "ip addr"
+//config:
+//config:config IPLINK
+//config: bool "iplink (17 kb)"
+//config: default y
+//config: select FEATURE_IP_LINK
+//config: select PLATFORM_LINUX
+//config: help
+//config: Short form of "ip link"
+//config:
+//config:config IPROUTE
+//config: bool "iproute (15 kb)"
+//config: default y
+//config: select FEATURE_IP_ROUTE
+//config: select PLATFORM_LINUX
+//config: help
+//config: Short form of "ip route"
+//config:
+//config:config IPTUNNEL
+//config: bool "iptunnel (9.6 kb)"
+//config: default y
+//config: select FEATURE_IP_TUNNEL
+//config: select PLATFORM_LINUX
+//config: help
+//config: Short form of "ip tunnel"
+//config:
+//config:config IPRULE
+//config: bool "iprule (10 kb)"
+//config: default y
+//config: select FEATURE_IP_RULE
+//config: select PLATFORM_LINUX
+//config: help
+//config: Short form of "ip rule"
+//config:
+//config:config IPNEIGH
+//config: bool "ipneigh (8.3 kb)"
+//config: default y
+//config: select FEATURE_IP_NEIGH
+//config: select PLATFORM_LINUX
+//config: help
+//config: Short form of "ip neigh"
+//config:
+//config:config FEATURE_IP_ADDRESS
+//config: bool "ip address"
+//config: default y
+//config: depends on IP || IPADDR
+//config: help
+//config: Address manipulation support for the "ip" applet.
+//config:
+//config:config FEATURE_IP_LINK
+//config: bool "ip link"
+//config: default y
+//config: depends on IP || IPLINK
+//config: help
+//config: Configure network devices with "ip".
+//config:
+//config:config FEATURE_IP_ROUTE
+//config: bool "ip route"
+//config: default y
+//config: depends on IP || IPROUTE
+//config: help
+//config: Add support for routing table management to "ip".
+//config:
+//config:config FEATURE_IP_ROUTE_DIR
+//config: string "ip route configuration directory"
+//config: default "/etc/iproute2"
+//config: depends on FEATURE_IP_ROUTE
+//config: help
+//config: Location of the "ip" applet routing configuration.
+//config:
+//config:config FEATURE_IP_TUNNEL
+//config: bool "ip tunnel"
+//config: default y
+//config: depends on IP || IPTUNNEL
+//config: help
+//config: Add support for tunneling commands to "ip".
+//config:
+//config:config FEATURE_IP_RULE
+//config: bool "ip rule"
+//config: default y
+//config: depends on IP || IPRULE
+//config: help
+//config: Add support for rule commands to "ip".
+//config:
+//config:config FEATURE_IP_NEIGH
+//config: bool "ip neighbor"
+//config: default y
+//config: depends on IP || IPNEIGH
+//config: help
+//config: Add support for neighbor commands to "ip".
+//config:
+//config:config FEATURE_IP_RARE_PROTOCOLS
+//config: bool "Support displaying rarely used link types"
+//config: default n
+//config: depends on IP || IPADDR || IPLINK || IPROUTE || IPTUNNEL || IPRULE || IPNEIGH
+//config: help
+//config: If you are not going to use links of type "frad", "econet",
+//config: "bif" etc, you probably don't need to enable this.
+//config: Ethernet, wireless, infrared, ppp/slip, ip tunnelling
+//config: link types are supported without this option selected.
+
+//applet:IF_IP( APPLET_NOEXEC(ip , ip , BB_DIR_SBIN, BB_SUID_DROP, ip ))
+//applet:IF_IPADDR( APPLET_NOEXEC(ipaddr , ipaddr , BB_DIR_SBIN, BB_SUID_DROP, ipaddr ))
+//applet:IF_IPLINK( APPLET_NOEXEC(iplink , iplink , BB_DIR_SBIN, BB_SUID_DROP, iplink ))
+//applet:IF_IPROUTE( APPLET_NOEXEC(iproute , iproute , BB_DIR_SBIN, BB_SUID_DROP, iproute ))
+//applet:IF_IPRULE( APPLET_NOEXEC(iprule , iprule , BB_DIR_SBIN, BB_SUID_DROP, iprule ))
+//applet:IF_IPTUNNEL(APPLET_NOEXEC(iptunnel, iptunnel, BB_DIR_SBIN, BB_SUID_DROP, iptunnel))
+//applet:IF_IPNEIGH( APPLET_NOEXEC(ipneigh , ipneigh , BB_DIR_SBIN, BB_SUID_DROP, ipneigh ))
+
+//kbuild:lib-$(CONFIG_IP) += ip.o
+//kbuild:lib-$(CONFIG_IPADDR) += ip.o
+//kbuild:lib-$(CONFIG_IPLINK) += ip.o
+//kbuild:lib-$(CONFIG_IPROUTE) += ip.o
+//kbuild:lib-$(CONFIG_IPRULE) += ip.o
+//kbuild:lib-$(CONFIG_IPTUNNEL) += ip.o
+//kbuild:lib-$(CONFIG_IPNEIGH) += ip.o
-#include "busybox.h"
+//--------------123456789.123456789.123456789.123456789.123456789.123456789.123456789.123....79
+//usage:#define ipaddr_trivial_usage
+//usage: "add|del IFADDR dev IFACE | show|flush [dev IFACE] [to PREFIX]"
+//usage:#define ipaddr_full_usage "\n\n"
+//usage: "ipaddr add|change|replace|delete dev IFACE IFADDR\n"
+//usage: " IFADDR := PREFIX | ADDR peer PREFIX [broadcast ADDR|+|-]\n"
+//usage: " [anycast ADDR] [label STRING] [scope SCOPE]\n"
+//usage: " PREFIX := ADDR[/MASK]\n"
+//usage: " SCOPE := [host|link|global|NUMBER]\n"
+//usage: "ipaddr show|flush [dev IFACE] [scope SCOPE] [to PREFIX] [label PATTERN]"
+//usage:
+//--------------123456789.123456789.123456789.123456789.123456789.123456789.123456789.123....79
+//usage:#define iplink_trivial_usage
+//usage: /*Usage:iplink*/"set IFACE [up|down] [arp on|off] [multicast on|off]\n"
+//usage: " [promisc on|off] [mtu NUM] [name NAME] [qlen NUM] [address MAC]\n"
+//usage: " [master IFACE | nomaster]"
+// * short help shows only "set" command, long help continues (with just one "\n")
+// * and shows all other commands:
+//usage:#define iplink_full_usage "\n"
+//usage: "iplink add [link IFACE] IFACE [address MAC] type TYPE [ARGS]\n"
+//usage: "iplink delete IFACE type TYPE [ARGS]\n"
+//usage: " TYPE ARGS := vlan VLANARGS | vrf table NUM\n"
+//usage: " VLANARGS := id VLANID [protocol 802.1q|802.1ad] [reorder_hdr on|off]\n"
+//usage: " [gvrp on|off] [mvrp on|off] [loose_binding on|off]\n"
+//usage: "iplink show [IFACE]"
+//upstream man ip-link:
+//=====================
+//ip link add [link DEV] [ name ] NAME
+// [ txqueuelen PACKETS ]
+// [ address LLADDR ]
+// [ broadcast LLADDR ]
+// [ mtu MTU ] [index IDX ]
+// [ numtxqueues QUEUE_COUNT ]
+// [ numrxqueues QUEUE_COUNT ]
+// type TYPE [ ARGS ]
+// ip link delete { DEVICE | dev DEVICE | group DEVGROUP } type TYPE [ ARGS ]
+// ip link set { DEVICE | dev DEVICE | group DEVGROUP } [ { up | down } ]
+// [ arp { on | off } ]
+// [ dynamic { on | off } ]
+// [ multicast { on | off } ]
+// [ allmulticast { on | off } ]
+// [ promisc { on | off } ]
+// [ trailers { on | off } ]
+// [ txqueuelen PACKETS ]
+// [ name NEWNAME ]
+// [ address LLADDR ]
+// [ broadcast LLADDR ]
+// [ mtu MTU ]
+// [ netns { PID | NAME } ]
+// [ link-netnsid ID ]
+// [ alias NAME ]
+// [ vf NUM [ mac LLADDR ]
+// [ vlan VLANID [ qos VLAN-QOS ] ]
+// [ rate TXRATE ]
+// [ spoofchk { on | off} ]
+// [ query_rss { on | off} ]
+// [ state { auto | enable | disable} ] ]
+// [ trust { on | off} ] ]
+// [ master DEVICE ]
+// [ nomaster ]
+// [ addrgenmode { eui64 | none | stable_secret | random } ]
+// [ protodown { on | off } ]
+// ip link show [ DEVICE | group GROUP ] [up] [master DEV] [type TYPE]
+// ip link help [ TYPE ]
+//TYPE := { vlan | veth | vcan | dummy | ifb | macvlan | macvtap |
+// bridge | bond | ipoib | ip6tnl | ipip | sit | vxlan |
+// gre | gretap | ip6gre | ip6gretap | vti | nlmon |
+// bond_slave | ipvlan | geneve | bridge_slave | vrf }
+//usage:
+//--------------123456789.123456789.123456789.123456789.123456789.123456789.123456789.123....79
+//usage:#define iproute_trivial_usage
+//usage: "list|flush|add|del|change|append|replace|test ROUTE"
+//usage:#define iproute_full_usage "\n\n"
+//usage: "iproute list|flush SELECTOR\n"
+//usage: " SELECTOR := [root PREFIX] [match PREFIX] [proto RTPROTO]\n"
+//usage: " PREFIX := default|ADDR[/MASK]\n"
+//usage: "iproute get ADDR [from ADDR iif IFACE]\n"
+//usage: " [oif IFACE] [tos TOS]\n"
+//usage: "iproute add|del|change|append|replace|test ROUTE\n"
+//usage: " ROUTE := NODE_SPEC [INFO_SPEC]\n"
+//usage: " NODE_SPEC := PREFIX"IF_FEATURE_IP_RULE(" [table TABLE_ID]")" [proto RTPROTO] [scope SCOPE] [metric METRIC]\n"
+//usage: " INFO_SPEC := NH OPTIONS\n"
+//usage: " NH := [via [inet|inet6] ADDR] [dev IFACE] [src ADDR] [onlink]\n"
+//usage: " OPTIONS := [mtu [lock] NUM] [advmss [lock] NUM]"
+//upstream man ip-route:
+//======================
+//ip route { show | flush } SELECTOR
+//ip route save SELECTOR
+//ip route restore
+//ip route get ADDRESS [ from ADDRESS iif STRING ] [ oif STRING ] [ tos TOS ]
+//ip route { add | del | change | append | replace } ROUTE
+//SELECTOR := [ root PREFIX ] [ match PREFIX ] [ exact PREFIX ] [ table TABLE_ID ] [ proto RTPROTO ] [ type TYPE ] [ scope SCOPE ]
+//ROUTE := NODE_SPEC [ INFO_SPEC ]
+//NODE_SPEC := [ TYPE ] PREFIX [ tos TOS ] [ table TABLE_ID ] [ proto RTPROTO ] [ scope SCOPE ] [ metric METRIC ]
+//INFO_SPEC := NH OPTIONS FLAGS [ nexthop NH ] ...
+//NH := [ encap ENCAP ] [ via [ FAMILY ] ADDRESS ] [ dev STRING ] [ weight NUMBER ] NHFLAGS
+// ..............................................................^ I guess [src ADDRESS] should be here
+//FAMILY := [ inet | inet6 | ipx | dnet | mpls | bridge | link ]
+//OPTIONS := FLAGS [ mtu NUMBER ] [ advmss NUMBER ] [ as [ to ] ADDRESS ] rtt TIME ] [ rttvar TIME ] [ reordering NUMBER ] [ window NUMBER ] [ cwnd NUMBER ] [ ssthresh REALM ] [ realms REALM ]
+// [ rto_min TIME ] [ initcwnd NUMBER ] [ initrwnd NUMBER ] [ features FEATURES ] [ quickack BOOL ] [ congctl NAME ] [ pref PREF ] [ expires TIME ]
+//TYPE := [ unicast | local | broadcast | multicast | throw | unreachable | prohibit | blackhole | nat ]
+//TABLE_ID := [ local | main | default | all | NUMBER ]
+//SCOPE := [ host | link | global | NUMBER ]
+//NHFLAGS := [ onlink | pervasive ]
+//RTPROTO := [ kernel | boot | static | NUMBER ]
+//FEATURES := [ ecn | ]
+//PREF := [ low | medium | high ]
+//ENCAP := [ MPLS | IP ]
+//ENCAP_MPLS := mpls [ LABEL ]
+//ENCAP_IP := ip id TUNNEL_ID dst REMOTE_IP [ tos TOS ] [ ttl TTL ]
+//usage:
+//--------------123456789.123456789.123456789.123456789.123456789.123456789.123456789.123....79
+//usage:#define iprule_trivial_usage
+//usage: "[list] | add|del SELECTOR ACTION"
+//usage:#define iprule_full_usage "\n\n"
+//usage: " SELECTOR := [from PREFIX] [to PREFIX] [tos TOS] [fwmark FWMARK]\n"
+//usage: " [dev IFACE] [pref NUMBER]\n"
+//usage: " ACTION := [table TABLE_ID] [nat ADDR]\n"
+//usage: " [prohibit|reject|unreachable]\n"
+//usage: " [realms [SRCREALM/]DSTREALM]\n"
+//usage: " TABLE_ID := [local|main|default|NUMBER]"
+//usage:
+//--------------123456789.123456789.123456789.123456789.123456789.123456789.123456789.123....79
+//usage:#define iptunnel_trivial_usage
+//usage: "add|change|del|show [NAME]\n"
+//usage: " [mode ipip|gre|sit] [remote ADDR] [local ADDR] [ttl TTL]"
+//usage:#define iptunnel_full_usage "\n\n"
+//usage: "iptunnel add|change|del|show [NAME]\n"
+//usage: " [mode ipip|gre|sit] [remote ADDR] [local ADDR]\n"
+//usage: " [[i|o]seq] [[i|o]key KEY] [[i|o]csum]\n"
+//usage: " [ttl TTL] [tos TOS] [[no]pmtudisc] [dev PHYS_DEV]"
+//usage:
+//usage:#define ipneigh_trivial_usage
+//usage: "show|flush [to PREFIX] [dev DEV] [nud STATE]"
+//usage:#define ipneigh_full_usage ""
+//usage:
+//usage:#if ENABLE_FEATURE_IP_ADDRESS || ENABLE_FEATURE_IP_ROUTE
+//usage:# define IP_BAR_LINK "|"
+//usage:#else
+//usage:# define IP_BAR_LINK ""
+//usage:#endif
+//usage:#if ENABLE_FEATURE_IP_ADDRESS || ENABLE_FEATURE_IP_ROUTE || ENABLE_FEATURE_IP_LINK
+//usage:# define IP_BAR_TUNNEL "|"
+//usage:#else
+//usage:# define IP_BAR_TUNNEL ""
+//usage:#endif
+//usage:#if ENABLE_FEATURE_IP_ADDRESS || ENABLE_FEATURE_IP_ROUTE || ENABLE_FEATURE_IP_LINK || ENABLE_FEATURE_IP_TUNNEL
+//usage:# define IP_BAR_NEIGH "|"
+//usage:#else
+//usage:# define IP_BAR_NEIGH ""
+//usage:#endif
+//usage:#if ENABLE_FEATURE_IP_ADDRESS || ENABLE_FEATURE_IP_ROUTE || ENABLE_FEATURE_IP_LINK || ENABLE_FEATURE_IP_TUNNEL || ENABLE_FEATURE_IP_NEIGH
+//usage:# define IP_BAR_RULE "|"
+//usage:#else
+//usage:# define IP_BAR_RULE ""
+//usage:#endif
+//usage:
+//usage:#define ip_trivial_usage
+//usage: "[OPTIONS] "
+//usage: IF_FEATURE_IP_ADDRESS("address")
+//usage: IF_FEATURE_IP_ROUTE( IF_FEATURE_IP_ADDRESS("|")"route")
+//usage: IF_FEATURE_IP_LINK( IP_BAR_LINK "link")
+//usage: IF_FEATURE_IP_TUNNEL( IP_BAR_TUNNEL"tunnel")
+//usage: IF_FEATURE_IP_NEIGH( IP_BAR_NEIGH "neigh")
+//usage: IF_FEATURE_IP_RULE( IP_BAR_RULE "rule")
+//usage: " [ARGS]"
+//usage:#define ip_full_usage "\n\n"
+//usage: "OPTIONS := -f[amily] inet|inet6|link | -o[neline]\n"
+//usage: IF_FEATURE_IP_ADDRESS("\n"
+//usage: "ip addr "ipaddr_trivial_usage)
+//usage: IF_FEATURE_IP_ROUTE("\n"
+//usage: "ip route "iproute_trivial_usage)
+//usage: IF_FEATURE_IP_LINK("\n"
+//usage: "ip link "iplink_trivial_usage)
+//usage: IF_FEATURE_IP_TUNNEL("\n"
+//usage: "ip tunnel "iptunnel_trivial_usage)
+//usage: IF_FEATURE_IP_NEIGH("\n"
+//usage: "ip neigh "ipneigh_trivial_usage)
+//usage: IF_FEATURE_IP_RULE("\n"
+//usage: "ip rule "iprule_trivial_usage)
+
+#include "libbb.h"
#include "libiproute/utils.h"
#include "libiproute/ip_common.h"
-static int ATTRIBUTE_NORETURN ip_print_help(int ATTRIBUTE_UNUSED ac, char ATTRIBUTE_UNUSED **av)
+typedef int FAST_FUNC (*ip_func_ptr_t)(char**);
+
+#if ENABLE_IPADDR \
+ || ENABLE_IPLINK \
+ || ENABLE_IPROUTE \
+ || ENABLE_IPRULE \
+ || ENABLE_IPTUNNEL \
+ || ENABLE_IPNEIGH
+static int ip_do(ip_func_ptr_t ip_func, char **argv)
{
- bb_show_usage();
+ argv = ip_parse_common_args(argv + 1);
+ return ip_func(argv);
}
-int ip_main(int argc, char **argv);
-int ip_main(int argc, char **argv)
-{
- const char * const keywords[] = {
- USE_FEATURE_IP_ADDRESS("address",)
- USE_FEATURE_IP_ROUTE("route",)
- USE_FEATURE_IP_LINK("link",)
- USE_FEATURE_IP_TUNNEL("tunnel", "tunl",)
- USE_FEATURE_IP_RULE("rule",)
- NULL
- };
- enum {
- USE_FEATURE_IP_ADDRESS(IP_addr,)
- USE_FEATURE_IP_ROUTE(IP_route,)
- USE_FEATURE_IP_LINK(IP_link,)
- USE_FEATURE_IP_TUNNEL(IP_tunnel, IP_tunl,)
- USE_FEATURE_IP_RULE(IP_rule,)
- IP_none
- };
- int (*ip_func)(int argc, char **argv) = ip_print_help;
+#endif
- ip_parse_common_args(&argc, &argv);
- if (argc > 1) {
- int key = index_in_substr_array(keywords, argv[1]);
- argc -= 2;
- argv += 2;
-#if ENABLE_FEATURE_IP_ADDRESS
- if (key == IP_addr)
- ip_func = do_ipaddr;
+#if ENABLE_IPADDR
+int ipaddr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int ipaddr_main(int argc UNUSED_PARAM, char **argv)
+{
+ return ip_do(do_ipaddr, argv);
+}
#endif
-#if ENABLE_FEATURE_IP_ROUTE
- if (key == IP_route)
- ip_func = do_iproute;
+#if ENABLE_IPLINK
+int iplink_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int iplink_main(int argc UNUSED_PARAM, char **argv)
+{
+ return ip_do(do_iplink, argv);
+}
#endif
-#if ENABLE_FEATURE_IP_LINK
- if (key == IP_link)
- ip_func = do_iplink;
+#if ENABLE_IPROUTE
+int iproute_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int iproute_main(int argc UNUSED_PARAM, char **argv)
+{
+ return ip_do(do_iproute, argv);
+}
#endif
-#if ENABLE_FEATURE_IP_TUNNEL
- if (key == IP_tunnel || key == IP_tunl)
- ip_func = do_iptunnel;
+#if ENABLE_IPRULE
+int iprule_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int iprule_main(int argc UNUSED_PARAM, char **argv)
+{
+ return ip_do(do_iprule, argv);
+}
#endif
-#if ENABLE_FEATURE_IP_RULE
- if (key == IP_rule)
- ip_func = do_iprule;
+#if ENABLE_IPTUNNEL
+int iptunnel_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int iptunnel_main(int argc UNUSED_PARAM, char **argv)
+{
+ return ip_do(do_iptunnel, argv);
+}
#endif
- }
- return (ip_func(argc, argv));
+#if ENABLE_IPNEIGH
+int ipneigh_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int ipneigh_main(int argc UNUSED_PARAM, char **argv)
+{
+ return ip_do(do_ipneigh, argv);
}
+#endif
+
+#if ENABLE_IP
+static int FAST_FUNC ip_print_help(char **argv UNUSED_PARAM)
+{
+ bb_show_usage();
+}
+
+int ip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int ip_main(int argc UNUSED_PARAM, char **argv)
+{
+ static const char keywords[] ALIGN1 = ""
+ IF_FEATURE_IP_ADDRESS("address\0")
+ IF_FEATURE_IP_ROUTE("route\0")
+ IF_FEATURE_IP_ROUTE("r\0")
+ IF_FEATURE_IP_LINK("link\0")
+ IF_FEATURE_IP_TUNNEL("tunnel\0")
+ IF_FEATURE_IP_TUNNEL("tunl\0")
+ IF_FEATURE_IP_RULE("rule\0")
+ IF_FEATURE_IP_NEIGH("neigh\0")
+ ;
+ static const ip_func_ptr_t ip_func_ptrs[] = {
+ ip_print_help,
+ IF_FEATURE_IP_ADDRESS(do_ipaddr,)
+ IF_FEATURE_IP_ROUTE(do_iproute,)
+ IF_FEATURE_IP_ROUTE(do_iproute,)
+ IF_FEATURE_IP_LINK(do_iplink,)
+ IF_FEATURE_IP_TUNNEL(do_iptunnel,)
+ IF_FEATURE_IP_TUNNEL(do_iptunnel,)
+ IF_FEATURE_IP_RULE(do_iprule,)
+ IF_FEATURE_IP_NEIGH(do_ipneigh,)
+ };
+ ip_func_ptr_t ip_func;
+ int key;
+
+ argv = ip_parse_common_args(argv + 1);
+ if (ARRAY_SIZE(ip_func_ptrs) > 1 && *argv)
+ key = index_in_substrings(keywords, *argv++);
+ else
+ key = -1;
+ ip_func = ip_func_ptrs[key + 1];
+
+ return ip_func(argv);
+}
+#endif
projects / oweals / busybox.git / blobdiff