X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=networking%2Fip.c;h=0105bd98b246fc8265832522e00710f2699aa922;hb=b51fd3525e48c79ef9e854dd357a9cdfdfeef72b;hp=f045f5f78de085d2478efe10ccb8eafbe7e09568;hpb=9a2d27249cc2235f7e001a9ea8d4605406bc5f38;p=oweals%2Fbusybox.git diff --git a/networking/ip.c b/networking/ip.c index f045f5f78..0105bd98b 100644 --- a/networking/ip.c +++ b/networking/ip.c @@ -1,10 +1,8 @@ +/* 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. + * Licensed under the GPL v2 or later, see the file LICENSE in this tarball. * * Authors: Alexey Kuznetsov, * @@ -12,93 +10,122 @@ * Changes: * * Rani Assaf 980929: resolve addresses + * Bernhard Fischer rewrote to use index_in_substr_array */ -#include -#include -#include -#include -#include -#include -#include -#include +#include "libbb.h" -#include "./libiproute/utils.h" -#include "./libiproute/ip_common.h" +#include "libiproute/utils.h" +#include "libiproute/ip_common.h" -#include "busybox.h" +#if ENABLE_FEATURE_IP_ADDRESS \ + || ENABLE_FEATURE_IP_ROUTE \ + || ENABLE_FEATURE_IP_LINK \ + || ENABLE_FEATURE_IP_TUNNEL \ + || ENABLE_FEATURE_IP_RULE -int preferred_family = AF_UNSPEC; -int oneline = 0; -char * _SL_ = NULL; +static int ATTRIBUTE_NORETURN ip_print_help(int ATTRIBUTE_UNUSED ac, char ATTRIBUTE_UNUSED **av) +{ + bb_show_usage(); +} -int ip_main(int argc, char **argv) +static int (*ip_func)(int argc, char **argv) = ip_print_help; + +static int ip_do(int argc, char **argv) { - char *basename; + ip_parse_common_args(&argc, &argv); + return ip_func(argc-1, argv+1); +} + +#if ENABLE_FEATURE_IP_ADDRESS +int ipaddr_main(int argc, char **argv); +int ipaddr_main(int argc, char **argv) +{ + ip_func = do_ipaddr; + return ip_do(argc, argv); +} +#endif +#if ENABLE_FEATURE_IP_LINK +int iplink_main(int argc, char **argv); +int iplink_main(int argc, char **argv) +{ + ip_func = do_iplink; + return ip_do(argc, argv); +} +#endif +#if ENABLE_FEATURE_IP_ROUTE +int iproute_main(int argc, char **argv); +int iproute_main(int argc, char **argv) +{ + ip_func = do_iproute; + return ip_do(argc, argv); +} +#endif +#if ENABLE_FEATURE_IP_RULE +int iprule_main(int argc, char **argv); +int iprule_main(int argc, char **argv) +{ + ip_func = do_iprule; + return ip_do(argc, argv); +} +#endif +#if ENABLE_FEATURE_IP_TUNNEL +int iptunnel_main(int argc, char **argv); +int iptunnel_main(int argc, char **argv) +{ + ip_func = do_iptunnel; + return ip_do(argc, argv); +} +#endif - basename = strrchr(argv[0], '/'); - if (basename == NULL) - basename = argv[0]; - else - basename++; - - while (argc > 1) { - char *opt = argv[1]; - if (strcmp(opt,"--") == 0) { - argc--; argv++; - break; - } - if (opt[0] != '-') - break; - if (opt[1] == '-') - opt++; - 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 { - fprintf(stderr, "Option \"%s\" is unknown, try \"ip -help\".\n", opt); - exit(-1); - } - argc--; argv++; - } - _SL_ = oneline ? "\\" : "\n" ; +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 + }; + ip_parse_common_args(&argc, &argv); if (argc > 1) { -#ifdef CONFIG_FEATURE_IP_ADDRESS - if (matches(argv[1], "address") == 0) - return do_ipaddr(argc-2, argv+2); + 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; +#endif +#if ENABLE_FEATURE_IP_ROUTE + if (key == IP_route) + ip_func = do_iproute; #endif -#ifdef CONFIG_FEATURE_IP_ROUTE - if (matches(argv[1], "route") == 0) - return do_iproute(argc-2, argv+2); +#if ENABLE_FEATURE_IP_LINK + if (key == IP_link) + ip_func = do_iplink; #endif -#ifdef CONFIG_FEATURE_IP_LINK - if (matches(argv[1], "link") == 0) - return do_iplink(argc-2, argv+2); +#if ENABLE_FEATURE_IP_TUNNEL + if (key == IP_tunnel || key == IP_tunl) + ip_func = do_iptunnel; #endif -#ifdef CONFIG_FEATURE_IP_TUNNEL - if (matches(argv[1], "tunnel") == 0 || - strcmp(argv[1], "tunl") == 0) - return do_iptunnel(argc-2, argv+2); +#if ENABLE_FEATURE_IP_RULE + if (key == IP_rule) + ip_func = do_iprule; #endif - fprintf(stderr, "Object \"%s\" is unknown, try \"ip help\".\n", argv[1]); - exit(-1); } + return (ip_func(argc, argv)); } + +#endif /* any of ENABLE_FEATURE_IP_xxx is 1 */