[apple/network_cmds.git] / ip6conf.tproj / ip6tool.c

/*	Copyright (c) 2002 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
* 
* "Portions Copyright (c) 2002 Apple Computer, Inc.  All Rights
* Reserved.  This file contains Original Code and/or Modifications of
* Original Code as defined in and that are subject to the Apple Public
* Source License Version 1.0 (the 'License').  You may not use this file
* except in compliance with the License.  Please obtain a copy of the
* License at http://www.apple.com/publicsource and read it before using
* this file.
* 
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
* License for the specific language governing rights and limitations
* under the License."
* 
* @APPLE_LICENSE_HEADER_END@
*
*/

#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <sys/errno.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <netinet6/in6_var.h>
#include <ifaddrs.h>

/* From netinet6/in6_var.h */
#ifndef SIOCPROTOATTACH_IN6
#define SIOCPROTOATTACH_IN6 _IOWR('i', 110, struct in6_aliasreq)    /* attach proto to interface */
#endif
#ifndef SIOCPROTODETACH_IN6
#define SIOCPROTODETACH_IN6 _IOWR('i', 111, struct in6_ifreq)    /* detach proto from interface */
#endif
#ifndef SIOCLL_START
#define SIOCLL_START _IOWR('i', 130, struct in6_aliasreq)    /* start aquiring linklocal on interface */
#endif
#ifndef SIOCLL_STOP
#define SIOCLL_STOP _IOWR('i', 131, struct in6_ifreq)    /* deconfigure linklocal from interface */
#endif

/* options */
#define IPv6_STARTUP		1
#define IPv6_SHUTDOWN		2
#define IPv6_STARTUP_ALL	3
#define IPv6_SHUTDOWN_ALL	4

const char *if_exceptions[] = {"lo0", "gif0", "faith0", "stf0"};

extern char	*optarg;

void do_usage(void);
int do_protoattach(int s, char *name);
int do_protodetach(int s, char *name);
void do_protoattach_all(int s);
void do_protodetach_all(int s);


int
main(int argc, char **argv)
{
	int 	s,
			ch,
			option = 0,
			err;
	char	*interface = NULL;
					
	if ((ch = getopt(argc, argv, "u:d:ax")) != -1) {
		switch (ch) {
			case 'u':
				/* option -u: start up proto */
				option = IPv6_STARTUP;
				interface = optarg;
				break;
			case 'd':
				/* option -d: shut down proto */
				option = IPv6_SHUTDOWN;
				interface = optarg;
				break;
			case 'a':
				/* option -a: start up proto on all interfaces */
				option = IPv6_STARTUP_ALL;
				break;
			case 'x':
				/* option -x: shut down proto on all interfaces */
				option = IPv6_SHUTDOWN_ALL;
				break;
			default:
				break;
		}
	}

	if (!option) {
		do_usage();
		return 0;
	}
	
	if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
		err = s;
		printf("%s: Error %d creating socket.\n", argv[0], err);
		return 0;
	}
	
	switch (option) {
		case IPv6_STARTUP:
			err = do_protoattach(s, interface);
			if (err < 0)
				printf("%s: Error %d encountered attaching interface %s.\n", argv[0], err, interface);
				
			break;
		case IPv6_SHUTDOWN:
			err = do_protodetach(s, interface);
			if (err < 0)
				printf("%s: Error %d encountered detaching interface %s.\n", argv[0], err, interface);
			
			break;
		case IPv6_STARTUP_ALL:
			do_protoattach_all(s);
			
			break;
		case IPv6_SHUTDOWN_ALL:
			do_protodetach_all(s);
			
			break;
		default:
			break;
	}
	
	close(s);
		
	return 0;
}

void
do_usage(void)
{
	printf("Usage: \n\
	Start up IPv6 on ALL interfaces:	-a\n\
	Shut down IPv6 on ALL interfaces:	-x\n\
	Start up IPv6 on given interface:	-u [interface]\n\
	Shut down IPv6 on given interface:	-d [interface].\n");
}

int
do_protoattach(int s, char *name)
{
    struct in6_aliasreq		ifr;
    int		err;
	
    bzero(&ifr, sizeof(ifr));
    strncpy(ifr.ifra_name, name, sizeof(ifr.ifra_name));
    
    if ((err = ioctl(s, SIOCPROTOATTACH_IN6, &ifr)) != 0)
        return (err);
    
    return (ioctl(s, SIOCLL_START, &ifr));
}

int
do_protodetach(int s, char *name)
{
    struct in6_ifreq	ifr;
    int		err;

    bzero(&ifr, sizeof(ifr));
    strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));

    if ((err = ioctl(s, SIOCLL_STOP, &ifr)) != 0)
        return (err);
    
    return (ioctl(s, SIOCPROTODETACH_IN6, &ifr));
}

void
do_protoattach_all(int s)
{
	struct	ifaddrs *ifaddrs, *ifa;
    
	if (getifaddrs(&ifaddrs)) {
        printf("ip6: getifaddrs returned error (%s)", strerror(errno));
    }
			
	for (ifa = ifaddrs; ifa != NULL; ifa = ifa->ifa_next) {
		/* skip over invalid interfaces */
		if ((strcmp(ifa->ifa_name, if_exceptions[0])))
			if (strcmp(ifa->ifa_name, if_exceptions[1]))
				if (strcmp(ifa->ifa_name, if_exceptions[2]))
					if (strcmp(ifa->ifa_name, if_exceptions[3])) {
						/* this is a valid interface */
						if (do_protoattach(s, ifa->ifa_name)) {
                            printf("ip6: error attaching %s\n", ifa->ifa_name);
                        }
						
						while (ifa->ifa_next != NULL && 
								!(strcmp(ifa->ifa_name, ifa->ifa_next->ifa_name))) {
							/* skip multiple entries for same interface */
							ifa = ifa->ifa_next;
						}
					}
	}
	
	freeifaddrs(ifaddrs);
	
	return;
}

void
do_protodetach_all(int s)
{
	struct	ifaddrs *ifaddrs, *ifa;
	
	if (getifaddrs(&ifaddrs)) {
        printf("ip6: getifaddrs returned error (%s)", strerror(errno));
    }
			
	for (ifa = ifaddrs; ifa != NULL; ifa = ifa->ifa_next) {
		/* skip over invalid interfaces */
		if ((strcmp(ifa->ifa_name, if_exceptions[0])))
			if (strcmp(ifa->ifa_name, if_exceptions[1]))
				if (strcmp(ifa->ifa_name, if_exceptions[2]))
					if (strcmp(ifa->ifa_name, if_exceptions[3])) {
						/* this is a valid interface */
						if (do_protodetach(s, ifa->ifa_name)) {
                            printf("ip6: error detaching %s\n", ifa->ifa_name);
                        }
						
						while (ifa->ifa_next != NULL && 
								!(strcmp(ifa->ifa_name, ifa->ifa_next->ifa_name))) {
							/* skip multiple entries for same interface */
							ifa = ifa->ifa_next;
						}
					}
	}
	
	freeifaddrs(ifaddrs);
	
	return;
}
Commit	Line	Data
7ba0088d A	1	/* Copyright (c) 2002 Apple Computer, Inc. All rights reserved.
	2	*
	3	* @APPLE_LICENSE_HEADER_START@
	4	*
a2c93a76 A	5	* "Portions Copyright (c) 2002 Apple Computer, Inc. All Rights
	6	* Reserved. This file contains Original Code and/or Modifications of
	7	* Original Code as defined in and that are subject to the Apple Public
	8	* Source License Version 1.0 (the 'License'). You may not use this file
	9	* except in compliance with the License. Please obtain a copy of the
	10	* License at http://www.apple.com/publicsource and read it before using
	11	* this file.
7ba0088d A	12	*
	13	* The Original Code and all software distributed under the License are
	14	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	15	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	16	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
a2c93a76 A	17	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	18	* License for the specific language governing rights and limitations
	19	* under the License."
7ba0088d A	20	*
	21	* @APPLE_LICENSE_HEADER_END@
	22	*
	23	*/
	24
	25	#include <stdio.h>
	26	#include <unistd.h>
	27	#include <string.h>
ac2f15b3	28	#include <sys/errno.h>
7ba0088d	29	#include <sys/socket.h>
7ba0088d	30	#include <sys/ioctl.h>
7ba0088d A	31	#include <net/if.h>
7ba0088d A	32	#include <sys/types.h>
ac2f15b3 A	33	#include <netinet/in.h>
ac2f15b3 A	34	#include <netinet6/in6_var.h>
7ba0088d A	35	#include <ifaddrs.h>
7ba0088d A	36
ac2f15b3 A	37	/* From netinet6/in6_var.h */
	38	#ifndef SIOCPROTOATTACH_IN6
	39	#define SIOCPROTOATTACH_IN6 _IOWR('i', 110, struct in6_aliasreq) /* attach proto to interface */
	40	#endif
	41	#ifndef SIOCPROTODETACH_IN6
	42	#define SIOCPROTODETACH_IN6 _IOWR('i', 111, struct in6_ifreq) /* detach proto from interface */
	43	#endif
	44	#ifndef SIOCLL_START
	45	#define SIOCLL_START _IOWR('i', 130, struct in6_aliasreq) /* start aquiring linklocal on interface */
	46	#endif
	47	#ifndef SIOCLL_STOP
	48	#define SIOCLL_STOP _IOWR('i', 131, struct in6_ifreq) /* deconfigure linklocal from interface */
	49	#endif
7ba0088d A	50
	51	/* options */
	52	#define IPv6_STARTUP 1
	53	#define IPv6_SHUTDOWN 2
	54	#define IPv6_STARTUP_ALL 3
	55	#define IPv6_SHUTDOWN_ALL 4
	56
	57	const char *if_exceptions[] = {"lo0", "gif0", "faith0", "stf0"};
	58
	59	extern char *optarg;
	60
	61	void do_usage(void);
	62	int do_protoattach(int s, char *name);
	63	int do_protodetach(int s, char *name);
ac2f15b3 A	64	void do_protoattach_all(int s);
ac2f15b3 A	65	void do_protodetach_all(int s);
7ba0088d A	66
	67
	68	int
	69	main(int argc, char **argv)
	70	{
	71	int s,
	72	ch,
	73	option = 0,
	74	err;
	75	char *interface = NULL;
	76
	77	if ((ch = getopt(argc, argv, "u:d:ax")) != -1) {
	78	switch (ch) {
	79	case 'u':
	80	/* option -u: start up proto */
	81	option = IPv6_STARTUP;
	82	interface = optarg;
	83	break;
	84	case 'd':
	85	/* option -d: shut down proto */
	86	option = IPv6_SHUTDOWN;
	87	interface = optarg;
	88	break;
	89	case 'a':
	90	/* option -a: start up proto on all interfaces */
	91	option = IPv6_STARTUP_ALL;
	92	break;
	93	case 'x':
	94	/* option -x: shut down proto on all interfaces */
	95	option = IPv6_SHUTDOWN_ALL;
	96	break;
	97	default:
	98	break;
	99	}
	100	}
	101
	102	if (!option) {
	103	do_usage();
	104	return 0;
	105	}
	106
	107	if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
	108	err = s;
	109	printf("%s: Error %d creating socket.\n", argv[0], err);
	110	return 0;
	111	}
	112
	113	switch (option) {
	114	case IPv6_STARTUP:
	115	err = do_protoattach(s, interface);
	116	if (err < 0)
ac2f15b3	117	printf("%s: Error %d encountered attaching interface %s.\n", argv[0], err, interface);
7ba0088d A	118
	119	break;
	120	case IPv6_SHUTDOWN:
	121	err = do_protodetach(s, interface);
	122	if (err < 0)
ac2f15b3	123	printf("%s: Error %d encountered detaching interface %s.\n", argv[0], err, interface);
7ba0088d A	124
	125	break;
	126	case IPv6_STARTUP_ALL:
ac2f15b3	127	do_protoattach_all(s);
7ba0088d A	128
	129	break;
	130	case IPv6_SHUTDOWN_ALL:
ac2f15b3	131	do_protodetach_all(s);
7ba0088d A	132
	133	break;
	134	default:
	135	break;
	136	}
	137
	138	close(s);
	139
	140	return 0;
	141	}
	142
	143	void
	144	do_usage(void)
	145	{
	146	printf("Usage: \n\
	147	Start up IPv6 on ALL interfaces: -a\n\
	148	Shut down IPv6 on ALL interfaces: -x\n\
	149	Start up IPv6 on given interface: -u [interface]\n\
	150	Shut down IPv6 on given interface: -d [interface].\n");
	151	}
	152
	153	int
	154	do_protoattach(int s, char *name)
	155	{
ac2f15b3 A	156	struct in6_aliasreq ifr;
ac2f15b3 A	157	int err;
7ba0088d A	158
7ba0088d A	159	bzero(&ifr, sizeof(ifr));
ac2f15b3 A	160	strncpy(ifr.ifra_name, name, sizeof(ifr.ifra_name));
	161
	162	if ((err = ioctl(s, SIOCPROTOATTACH_IN6, &ifr)) != 0)
	163	return (err);
	164
	165	return (ioctl(s, SIOCLL_START, &ifr));
7ba0088d A	166	}
	167
	168	int
	169	do_protodetach(int s, char *name)
	170	{
ac2f15b3 A	171	struct in6_ifreq ifr;
ac2f15b3 A	172	int err;
7ba0088d A	173
	174	bzero(&ifr, sizeof(ifr));
	175	strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
ac2f15b3 A	176
	177	if ((err = ioctl(s, SIOCLL_STOP, &ifr)) != 0)
	178	return (err);
	179
	180	return (ioctl(s, SIOCPROTODETACH_IN6, &ifr));
7ba0088d A	181	}
7ba0088d A	182
ac2f15b3	183	void
7ba0088d A	184	do_protoattach_all(int s)
	185	{
	186	struct ifaddrs ifaddrs, ifa;
ac2f15b3 A	187
	188	if (getifaddrs(&ifaddrs)) {
	189	printf("ip6: getifaddrs returned error (%s)", strerror(errno));
	190	}
7ba0088d A	191
	192	for (ifa = ifaddrs; ifa != NULL; ifa = ifa->ifa_next) {
	193	/* skip over invalid interfaces */
	194	if ((strcmp(ifa->ifa_name, if_exceptions[0])))
	195	if (strcmp(ifa->ifa_name, if_exceptions[1]))
	196	if (strcmp(ifa->ifa_name, if_exceptions[2]))
	197	if (strcmp(ifa->ifa_name, if_exceptions[3])) {
	198	/* this is a valid interface */
ac2f15b3 A	199	if (do_protoattach(s, ifa->ifa_name)) {
	200	printf("ip6: error attaching %s\n", ifa->ifa_name);
	201	}
7ba0088d A	202
	203	while (ifa->ifa_next != NULL &&
	204	!(strcmp(ifa->ifa_name, ifa->ifa_next->ifa_name))) {
	205	/* skip multiple entries for same interface */
	206	ifa = ifa->ifa_next;
	207	}
	208	}
	209	}
	210
	211	freeifaddrs(ifaddrs);
	212
ac2f15b3	213	return;
7ba0088d A	214	}
7ba0088d A	215
ac2f15b3	216	void
7ba0088d A	217	do_protodetach_all(int s)
	218	{
	219	struct ifaddrs ifaddrs, ifa;
7ba0088d	220
ac2f15b3 A	221	if (getifaddrs(&ifaddrs)) {
	222	printf("ip6: getifaddrs returned error (%s)", strerror(errno));
	223	}
7ba0088d A	224
	225	for (ifa = ifaddrs; ifa != NULL; ifa = ifa->ifa_next) {
	226	/* skip over invalid interfaces */
	227	if ((strcmp(ifa->ifa_name, if_exceptions[0])))
	228	if (strcmp(ifa->ifa_name, if_exceptions[1]))
	229	if (strcmp(ifa->ifa_name, if_exceptions[2]))
	230	if (strcmp(ifa->ifa_name, if_exceptions[3])) {
	231	/* this is a valid interface */
ac2f15b3 A	232	if (do_protodetach(s, ifa->ifa_name)) {
	233	printf("ip6: error detaching %s\n", ifa->ifa_name);
	234	}
7ba0088d A	235
	236	while (ifa->ifa_next != NULL &&
	237	!(strcmp(ifa->ifa_name, ifa->ifa_next->ifa_name))) {
	238	/* skip multiple entries for same interface */
	239	ifa = ifa->ifa_next;
	240	}
	241	}
	242	}
	243
	244	freeifaddrs(ifaddrs);
	245
ac2f15b3 A	246	return;
ac2f15b3 A	247	}