+/* 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, <kuznet@ms2.inr.ac.ru>
*
* Changes:
*
* Rani Assaf <rani@magic.metawire.com> 980929: resolve addresses
+ * Bernhard Fischer rewrote to use index_in_substr_array
*/
-#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>
+#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
-#if 0
-int preferred_family = AF_UNSPEC;
-int oneline = 0;
-char * _SL_ = NULL;
-
-void ip_parse_common_args(int *argcp, char ***argvp)
+static int ATTRIBUTE_NORETURN ip_print_help(int ATTRIBUTE_UNUSED ac, char ATTRIBUTE_UNUSED **av)
{
- 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;
+static int (*ip_func)(int argc, char **argv) = ip_print_help;
- if (opt[1] == '-')
- opt++;
+static int ip_do(int argc, char **argv)
+{
+ ip_parse_common_args(&argc, &argv);
+ return ip_func(argc-1, argv+1);
+}
- 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 {
- show_usage();
- }
- argc--; argv++;
- }
- _SL_ = oneline ? "\\" : "\n" ;
+#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
+
+int ip_main(int argc, char **argv);
int ip_main(int argc, char **argv)
{
- int ret = EXIT_FAILURE;
+ 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) {
- ret = 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
-#ifdef CONFIG_FEATURE_IP_ROUTE
- else if (matches(argv[1], "route") == 0) {
- ret = do_iproute(argc-2, argv+2);
- }
+#if ENABLE_FEATURE_IP_ROUTE
+ if (key == IP_route)
+ ip_func = do_iproute;
#endif
-#ifdef CONFIG_FEATURE_IP_LINK
- else if (matches(argv[1], "link") == 0) {
- ret = do_iplink(argc-2, argv+2);
- }
+#if ENABLE_FEATURE_IP_LINK
+ if (key == IP_link)
+ ip_func = do_iplink;
#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_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
}
- if (ret) {
- show_usage();
- }
- return(EXIT_SUCCESS);
+ return (ip_func(argc, argv));
}
+
+#endif /* any of ENABLE_FEATURE_IP_xxx is 1 */
projects / oweals / busybox.git / blobdiff