/* 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
*/
-#include "busybox.h"
+/* 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_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_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|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 | monitor } 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 | monitor } ROUTE\n"
+//usage: " SELECTOR := [root PREFIX] [match PREFIX] [proto RTPROTO]\n"
+//usage: " ROUTE := [TYPE] PREFIX [tos TOS] [proto RTPROTO]\n"
+//usage: " [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]"
+
+#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)
+#if ENABLE_FEATURE_IP_ADDRESS \
+ || ENABLE_FEATURE_IP_ROUTE \
+ || ENABLE_FEATURE_IP_LINK \
+ || ENABLE_FEATURE_IP_TUNNEL \
+ || ENABLE_FEATURE_IP_RULE
+
+static int FAST_FUNC ip_print_help(char **argv UNUSED_PARAM)
{
bb_show_usage();
}
-static int (*ip_func)(int argc, char **argv) = ip_print_help;
+typedef int FAST_FUNC (*ip_func_ptr_t)(char**);
-static int ip_do(int argc, char **argv)
+static int ip_do(ip_func_ptr_t ip_func, char **argv)
{
- ip_parse_common_args(&argc, &argv);
- return ip_func(argc-1, argv+1);
+ argv = ip_parse_common_args(argv + 1);
+ return ip_func(argv);
}
#if ENABLE_FEATURE_IP_ADDRESS
-int ipaddr_main(int argc, char **argv);
-int ipaddr_main(int argc, char **argv)
+int ipaddr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int ipaddr_main(int argc UNUSED_PARAM, char **argv)
{
- ip_func = do_ipaddr;
- return ip_do(argc, argv);
+ return ip_do(do_ipaddr, argv);
}
#endif
#if ENABLE_FEATURE_IP_LINK
-int iplink_main(int argc, char **argv);
-int iplink_main(int argc, char **argv)
+int iplink_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int iplink_main(int argc UNUSED_PARAM, char **argv)
{
- ip_func = do_iplink;
- return ip_do(argc, argv);
+ return ip_do(do_iplink, argv);
}
#endif
#if ENABLE_FEATURE_IP_ROUTE
-int iproute_main(int argc, char **argv);
-int iproute_main(int argc, char **argv)
+int iproute_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int iproute_main(int argc UNUSED_PARAM, char **argv)
{
- ip_func = do_iproute;
- return ip_do(argc, argv);
+ return ip_do(do_iproute, argv);
}
#endif
#if ENABLE_FEATURE_IP_RULE
-int iprule_main(int argc, char **argv);
-int iprule_main(int argc, char **argv)
+int iprule_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int iprule_main(int argc UNUSED_PARAM, char **argv)
{
- ip_func = do_iprule;
- return ip_do(argc, argv);
+ return ip_do(do_iprule, argv);
}
#endif
#if ENABLE_FEATURE_IP_TUNNEL
-int iptunnel_main(int argc, char **argv);
-int iptunnel_main(int argc, char **argv)
+int iptunnel_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int iptunnel_main(int argc UNUSED_PARAM, char **argv)
{
- ip_func = do_iptunnel;
- return ip_do(argc, argv);
+ return ip_do(do_iptunnel, argv);
}
#endif
-int ip_main(int argc, char **argv);
-int ip_main(int argc, char **argv)
+int ip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int ip_main(int argc UNUSED_PARAM, 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
+ 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")
+ ;
+ 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,)
};
+ ip_func_ptr_t ip_func;
+ int key;
- 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;
-#endif
-#if ENABLE_FEATURE_IP_ROUTE
- if (key == IP_route)
- ip_func = do_iproute;
-#endif
-#if ENABLE_FEATURE_IP_LINK
- if (key == IP_link)
- ip_func = do_iplink;
-#endif
-#if ENABLE_FEATURE_IP_TUNNEL
- if (key == IP_tunnel || key == IP_tunl)
- ip_func = do_iptunnel;
-#endif
-#if ENABLE_FEATURE_IP_RULE
- if (key == IP_rule)
- ip_func = do_iprule;
-#endif
- }
- return (ip_func(argc, argv));
+ 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 */
projects / oweals / busybox.git / blobdiff