+/* 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
+ * 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"
+//config: default y
+//config: select PLATFORM_LINUX
+//config: help
+//config: The "ip" applet is a TCP/IP interface configuration and routing
+//config: utility. You generally don't need "ip" to use busybox with
+//config: TCP/IP.
+//config:
+//config:config IPADDR
+//config: bool "ipaddr"
+//config: default y
+//config: select FEATURE_IP_ADDRESS
+//config: select PLATFORM_LINUX
+//config: help
+//config: Support short form of ip addr: ipaddr
+//config:
+//config:config IPLINK
+//config: bool "iplink"
+//config: default y
+//config: select FEATURE_IP_LINK
+//config: select PLATFORM_LINUX
+//config: help
+//config: Support short form of ip link: iplink
+//config:
+//config:config IPROUTE
+//config: bool "iproute"
+//config: default y
+//config: select FEATURE_IP_ROUTE
+//config: select PLATFORM_LINUX
+//config: help
+//config: Support short form of ip route: iproute
+//config:
+//config:config IPTUNNEL
+//config: bool "iptunnel"
+//config: default y
+//config: select FEATURE_IP_TUNNEL
+//config: select PLATFORM_LINUX
+//config: help
+//config: Support short form of ip tunnel: iptunnel
+//config:
+//config:config IPRULE
+//config: bool "iprule"
+//config: default y
+//config: select FEATURE_IP_RULE
+//config: select PLATFORM_LINUX
+//config: help
+//config: Support short form of ip rule: iprule
+//config:
+//config:config IPNEIGH
+//config: bool "ipneigh"
+//config: default y
+//config: select FEATURE_IP_NEIGH
+//config: select PLATFORM_LINUX
+//config: help
+//config: Support short form of ip neigh: ipneigh
+//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.
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <syslog.h>
-#include <fcntl.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <string.h>
+//applet:IF_IP(APPLET(ip, BB_DIR_SBIN, BB_SUID_DROP))
+//applet:IF_IPADDR(APPLET(ipaddr, BB_DIR_SBIN, BB_SUID_DROP))
+//applet:IF_IPLINK(APPLET(iplink, BB_DIR_SBIN, BB_SUID_DROP))
+//applet:IF_IPROUTE(APPLET(iproute, BB_DIR_SBIN, BB_SUID_DROP))
+//applet:IF_IPRULE(APPLET(iprule, BB_DIR_SBIN, BB_SUID_DROP))
+//applet:IF_IPTUNNEL(APPLET(iptunnel, BB_DIR_SBIN, BB_SUID_DROP))
+//applet:IF_IPNEIGH(APPLET(ipneigh, BB_DIR_SBIN, BB_SUID_DROP))
-#include "libiproute/utils.h"
-#include "libiproute/ip_common.h"
-
-#include "busybox.h"
-
-#if 0
-int preferred_family = AF_UNSPEC;
-int oneline = 0;
-char * _SL_ = NULL;
-
-void ip_parse_common_args(int *argcp, char ***argvp)
-{
- int argc = *argcp;
- char **argv = *argvp;
+//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
- while (argc > 1) {
- char *opt = argv[1];
+//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 IFADDR dev IFACE\n"
+//usage: "ipaddr show|flush [dev IFACE] [scope SCOPE-ID]\n"
+//usage: " [to PREFIX] [label PATTERN]\n"
+//usage: " IFADDR := PREFIX | ADDR peer PREFIX\n"
+//usage: " [broadcast ADDR] [anycast ADDR]\n"
+//usage: " [label STRING] [scope SCOPE-ID]\n"
+//usage: " SCOPE-ID := [host|link|global|NUMBER]"
+//usage:
+//usage:#define iplink_trivial_usage
+//usage: "set IFACE [up|down] [arp on|off] | show [IFACE]"
+//usage:#define iplink_full_usage "\n\n"
+//usage: "iplink set IFACE [up|down]\n"
+//usage: " [arp on|off]\n"
+//usage: " [dynamic on|off]\n"
+//usage: " [multicast on|off]\n"
+//usage: " [mtu MTU]\n"
+//usage: "iplink show [IFACE]"
+//usage:
+//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: "iproute get ADDRESS [from ADDRESS iif STRING]\n"
+//usage: " [oif STRING] [tos TOS]\n"
+//usage: "iproute add|del|change|append|replace|test ROUTE\n"
+//usage: " SELECTOR := [root PREFIX] [match PREFIX] [proto RTPROTO]\n"
+//usage: " ROUTE := [TYPE] PREFIX [tos TOS] [proto RTPROTO] [metric METRIC]"
+//usage:
+//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 ADDRESS]\n"
+//usage: " [prohibit|reject|unreachable]\n"
+//usage: " [realms [SRCREALM/]DSTREALM]\n"
+//usage: " TABLE_ID := [local|main|default|NUMBER]"
+//usage:
+//usage:#define iptunnel_trivial_usage
+//usage: "add|change|del|show [NAME]\n"
+//usage: " [mode ipip|gre|sit]\n"
+//usage: " [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: " [COMMAND]"
+//usage:#define ip_full_usage "\n\n"
+//usage: "OPTIONS := -f[amily] inet|inet6|link | -o[neline]\n"
+//usage: "COMMAND :="
+//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)
- if (strcmp(opt,"--") == 0) {
- argc--; argv++;
- break;
- }
+#include "libbb.h"
- if (opt[0] != '-')
- break;
+#include "libiproute/utils.h"
+#include "libiproute/ip_common.h"
- if (opt[1] == '-')
- opt++;
+typedef int FAST_FUNC (*ip_func_ptr_t)(char**);
- if (matches(opt, "-family") == 0) {
- argc--;
- argv++;
- 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], "link") == 0)
- preferred_family = AF_PACKET;
- else
- invarg(argv[1], "invalid protocol family");
- } else if (strcmp(opt, "-4") == 0) {
- preferred_family = AF_INET;
- } else if (strcmp(opt, "-6") == 0) {
- preferred_family = AF_INET6;
- } else if (strcmp(opt, "-0") == 0) {
- preferred_family = AF_PACKET;
- } else if (matches(opt, "-oneline") == 0) {
- ++oneline;
- } else {
- bb_show_usage();
- }
- argc--; argv++;
- }
- _SL_ = oneline ? "\\" : "\n" ;
+#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)
+{
+ argv = ip_parse_common_args(argv + 1);
+ return ip_func(argv);
}
#endif
-int ip_main(int argc, char **argv)
+#if ENABLE_IPADDR
+int ipaddr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int ipaddr_main(int argc UNUSED_PARAM, char **argv)
{
- int ret = EXIT_FAILURE;
-
- ip_parse_common_args(&argc, &argv);
-
- if (argc > 1) {
-#ifdef CONFIG_FEATURE_IP_ADDRESS
- if (matches(argv[1], "address") == 0) {
- ret = do_ipaddr(argc-2, argv+2);
- }
+ return ip_do(do_ipaddr, argv);
+}
#endif
-#ifdef CONFIG_FEATURE_IP_ROUTE
- if (matches(argv[1], "route") == 0) {
- ret = do_iproute(argc-2, argv+2);
- }
+#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
-#ifdef CONFIG_FEATURE_IP_LINK
- if (matches(argv[1], "link") == 0) {
- ret = do_iplink(argc-2, argv+2);
- }
+#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
-#ifdef CONFIG_FEATURE_IP_TUNNEL
- if (matches(argv[1], "tunnel") == 0 || strcmp(argv[1], "tunl") == 0) {
- ret = do_iptunnel(argc-2, argv+2);
- }
+#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 (ret) {
- bb_show_usage();
- }
- return(EXIT_SUCCESS);
+#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
+#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