X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=networking%2Fip.c;h=ddfe74e9cddf2af2d4232c4c9bb8c14e278faa9f;hb=b6d421b635670939e4ec047543f84cb507e5fe9d;hp=a0781bdba966a4f00cc448ba9394c31c8b8853c4;hpb=cad5364599eb5062d59e0c397ed638ddd61a8d5d;p=oweals%2Fbusybox.git diff --git a/networking/ip.c b/networking/ip.c index a0781bdba..ddfe74e9c 100644 --- a/networking/ip.c +++ b/networking/ip.c @@ -1,115 +1,194 @@ +/* vi: set sw=4 ts=4: */ /* - * ip.c "ip" utility frontend. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - * Authors: Alexey Kuznetsov, + * Licensed under GPLv2 or later, see file LICENSE in this source tree. * + * Authors: Alexey Kuznetsov, * * Changes: - * - * Rani Assaf 980929: resolve addresses + * Rani Assaf 980929: resolve addresses + * Bernhard Reutner-Fischer rewrote to use index_in_substr_array */ -#include -#include -#include -#include -#include -#include -#include -#include +/* would need to make the " | " optional depending on more than one selected: */ +//usage:#define ip_trivial_usage +//usage: "[OPTIONS] {" +//usage: IF_FEATURE_IP_ADDRESS("address | ") +//usage: IF_FEATURE_IP_ROUTE("route | ") +//usage: IF_FEATURE_IP_LINK("link | ") +//usage: IF_FEATURE_IP_TUNNEL("tunnel | ") +//usage: IF_FEATURE_IP_NEIGH("neigh | ") +//usage: IF_FEATURE_IP_RULE("rule") +//usage: "} {COMMAND}" +//usage:#define ip_full_usage "\n\n" +//usage: "ip [OPTIONS] OBJECT {COMMAND}\n" +//usage: "where OBJECT := {" +//usage: IF_FEATURE_IP_ADDRESS("address | ") +//usage: IF_FEATURE_IP_ROUTE("route | ") +//usage: IF_FEATURE_IP_LINK("link | ") +//usage: IF_FEATURE_IP_TUNNEL("tunnel | ") +//usage: IF_FEATURE_IP_NEIGH("neigh | ") +//usage: IF_FEATURE_IP_RULE("rule") +//usage: "}\n" +//usage: "OPTIONS := { -f[amily] { inet | inet6 | link } | -o[neline] }" +//usage: +//usage:#define ipaddr_trivial_usage +//usage: "{ {add|del} IFADDR dev STRING | {show|flush}\n" +//usage: " [dev STRING] [to PREFIX] }" +//usage:#define ipaddr_full_usage "\n\n" +//usage: "ipaddr {add|change|replace|delete} IFADDR dev STRING\n" +//usage: "ipaddr {show|flush} [dev STRING] [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 DEVICE { up | down | arp { on | off } | show [DEVICE] }" +//usage:#define iplink_full_usage "\n\n" +//usage: "iplink set DEVICE { up | down | arp | multicast { on | off } |\n" +//usage: " dynamic { on | off } |\n" +//usage: " mtu MTU }\n" +//usage: "iplink show [DEVICE]" +//usage: +//usage:#define iproute_trivial_usage +//usage: "{ list | flush | add | del | change | append |\n" +//usage: " 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] RULE}" +//usage:#define iprule_full_usage "\n\n" +//usage: "iprule [list | add | del] SELECTOR ACTION\n" +//usage: " SELECTOR := [from PREFIX] [to PREFIX] [tos TOS] [fwmark FWMARK]\n" +//usage: " [dev STRING] [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 "\n\n" +//usage: "ipneigh { show | flush} [ to PREFIX ] [ dev DEV ] [ nud STATE ]" -#include "./libiproute/utils.h" -#include "./libiproute/ip_common.h" +#include "libbb.h" -#include "busybox.h" +#include "libiproute/utils.h" +#include "libiproute/ip_common.h" -#if 0 -int preferred_family = AF_UNSPEC; -int oneline = 0; -char * _SL_ = NULL; +#if ENABLE_FEATURE_IP_ADDRESS \ + || ENABLE_FEATURE_IP_ROUTE \ + || ENABLE_FEATURE_IP_LINK \ + || ENABLE_FEATURE_IP_TUNNEL \ + || ENABLE_FEATURE_IP_RULE \ + || ENABLE_FEATURE_IP_NEIGH -void ip_parse_common_args(int *argcp, char ***argvp) +static int FAST_FUNC ip_print_help(char **argv UNUSED_PARAM) { - int argc = *argcp; - char **argv = *argvp; - - while (argc > 1) { - char *opt = argv[1]; - - if (strcmp(opt,"--") == 0) { - argc--; argv++; - break; - } + bb_show_usage(); +} - if (opt[0] != '-') - break; +typedef int FAST_FUNC (*ip_func_ptr_t)(char**); - if (opt[1] == '-') - opt++; +static int ip_do(ip_func_ptr_t ip_func, char **argv) +{ + argv = ip_parse_common_args(argv + 1); + return ip_func(argv); +} - 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_FEATURE_IP_ADDRESS +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 - -int ip_main(int argc, char **argv) +#if ENABLE_FEATURE_IP_LINK +int iplink_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; +int iplink_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_iplink, argv); +} +#endif +#if ENABLE_FEATURE_IP_ROUTE +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_ROUTE - else if (matches(argv[1], "route") == 0) { - ret = do_iproute(argc-2, argv+2); - } +#if ENABLE_FEATURE_IP_RULE +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 -#ifdef CONFIG_FEATURE_IP_LINK - else if (matches(argv[1], "link") == 0) { - ret = do_iplink(argc-2, argv+2); - } +#if ENABLE_FEATURE_IP_TUNNEL +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 -#ifdef CONFIG_FEATURE_IP_TUNNEL - else if (matches(argv[1], "tunnel") == 0 || strcmp(argv[1], "tunl") == 0) { - ret = do_iptunnel(argc-2, argv+2); - } +#if ENABLE_FEATURE_IP_NEIGH +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 (ret) { - bb_show_usage(); - } - return(EXIT_SUCCESS); + + +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); + key = *argv ? index_in_substrings(keywords, *argv++) : -1; + ip_func = ip_func_ptrs[key + 1]; + + return ip_func(argv); } + +#endif /* any of ENABLE_FEATURE_IP_xxx is 1 */