[d48955b] | 1 | #include <machine/rtems-bsd-user-space.h> |
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| 2 | |
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[ebbe3cc] | 3 | /* |
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| 4 | * Copyright (c) 1983, 1993 |
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| 5 | * The Regents of the University of California. All rights reserved. |
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| 6 | * |
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| 7 | * Redistribution and use in source and binary forms, with or without |
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| 8 | * modification, are permitted provided that the following conditions |
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| 9 | * are met: |
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| 10 | * 1. Redistributions of source code must retain the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer. |
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| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 13 | * notice, this list of conditions and the following disclaimer in the |
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| 14 | * documentation and/or other materials provided with the distribution. |
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| 15 | * 4. Neither the name of the University nor the names of its contributors |
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| 16 | * may be used to endorse or promote products derived from this software |
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| 17 | * without specific prior written permission. |
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| 18 | * |
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| 19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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| 20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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| 23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 29 | * SUCH DAMAGE. |
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| 30 | */ |
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| 31 | |
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| 32 | #ifndef lint |
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| 33 | static const char copyright[] = |
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| 34 | "@(#) Copyright (c) 1983, 1993\n\ |
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| 35 | The Regents of the University of California. All rights reserved.\n"; |
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| 36 | #endif /* not lint */ |
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| 37 | |
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| 38 | #ifndef lint |
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| 39 | #if 0 |
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| 40 | static char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94"; |
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| 41 | #endif |
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| 42 | static const char rcsid[] = |
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| 43 | "$FreeBSD$"; |
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| 44 | #endif /* not lint */ |
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| 45 | |
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[c333bab] | 46 | #ifdef __rtems__ |
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| 47 | #define __need_getopt_newlib |
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[4e14ded] | 48 | #define option getopt_option |
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[c333bab] | 49 | #include <getopt.h> |
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[4e14ded] | 50 | #undef option |
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[fef6dd1] | 51 | #define RTEMS_BSD_PROGRAM_NO_OPEN_WRAP |
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| 52 | #define RTEMS_BSD_PROGRAM_NO_SOCKET_WRAP |
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| 53 | #define RTEMS_BSD_PROGRAM_NO_CLOSE_WRAP |
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| 54 | #define RTEMS_BSD_PROGRAM_NO_FOPEN_WRAP |
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| 55 | #define RTEMS_BSD_PROGRAM_NO_FCLOSE_WRAP |
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| 56 | #define RTEMS_BSD_PROGRAM_NO_MALLOC_WRAP |
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| 57 | #define RTEMS_BSD_PROGRAM_NO_CALLOC_WRAP |
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| 58 | #define RTEMS_BSD_PROGRAM_NO_REALLOC_WRAP |
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| 59 | #define RTEMS_BSD_PROGRAM_NO_FREE_WRAP |
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[60618d5] | 60 | #include <machine/rtems-bsd-program.h> |
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| 61 | #include <machine/rtems-bsd-commands.h> |
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[c333bab] | 62 | #endif /* __rtems__ */ |
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[e599318] | 63 | #include <rtems/bsd/sys/param.h> |
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[ebbe3cc] | 64 | #include <sys/ioctl.h> |
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| 65 | #include <sys/socket.h> |
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[e599318] | 66 | #include <rtems/bsd/sys/time.h> |
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[ebbe3cc] | 67 | #include <sys/module.h> |
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| 68 | #include <sys/linker.h> |
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| 69 | |
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| 70 | #include <net/ethernet.h> |
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| 71 | #include <net/if.h> |
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| 72 | #include <net/if_var.h> |
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| 73 | #include <net/if_dl.h> |
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| 74 | #include <net/if_types.h> |
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| 75 | #include <net/route.h> |
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| 76 | |
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| 77 | /* IP */ |
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| 78 | #include <netinet/in.h> |
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| 79 | #include <netinet/in_var.h> |
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| 80 | #include <arpa/inet.h> |
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| 81 | #include <netdb.h> |
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| 82 | |
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| 83 | #include <ifaddrs.h> |
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| 84 | #include <ctype.h> |
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| 85 | #include <err.h> |
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| 86 | #include <errno.h> |
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| 87 | #include <fcntl.h> |
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| 88 | #include <jail.h> |
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| 89 | #include <stdio.h> |
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| 90 | #include <stdlib.h> |
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| 91 | #include <string.h> |
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| 92 | #include <unistd.h> |
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| 93 | |
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| 94 | #include "ifconfig.h" |
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| 95 | |
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| 96 | /* |
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| 97 | * Since "struct ifreq" is composed of various union members, callers |
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[165dd8e] | 98 | * should pay special attention to interpret the value. |
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[ebbe3cc] | 99 | * (.e.g. little/big endian difference in the structure.) |
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| 100 | */ |
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| 101 | struct ifreq ifr; |
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| 102 | |
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| 103 | char name[IFNAMSIZ]; |
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| 104 | char *descr = NULL; |
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| 105 | size_t descrlen = 64; |
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| 106 | int setaddr; |
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| 107 | int setmask; |
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| 108 | int doalias; |
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| 109 | int clearaddr; |
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| 110 | int newaddr = 1; |
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| 111 | int verbose; |
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| 112 | int noload; |
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| 113 | |
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| 114 | int supmedia = 0; |
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| 115 | int printkeys = 0; /* Print keying material for interfaces. */ |
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| 116 | |
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| 117 | static int ifconfig(int argc, char *const *argv, int iscreate, |
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| 118 | const struct afswtch *afp); |
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| 119 | static void status(const struct afswtch *afp, const struct sockaddr_dl *sdl, |
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| 120 | struct ifaddrs *ifa); |
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| 121 | static void tunnel_status(int s); |
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| 122 | static void usage(void); |
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| 123 | |
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| 124 | static struct afswtch *af_getbyname(const char *name); |
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| 125 | static struct afswtch *af_getbyfamily(int af); |
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| 126 | static void af_other_status(int); |
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| 127 | |
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| 128 | static struct option *opts = NULL; |
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| 129 | |
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| 130 | void |
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| 131 | opt_register(struct option *p) |
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| 132 | { |
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| 133 | p->next = opts; |
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| 134 | opts = p; |
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| 135 | } |
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| 136 | |
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| 137 | static void |
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| 138 | usage(void) |
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| 139 | { |
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| 140 | char options[1024]; |
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| 141 | struct option *p; |
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| 142 | |
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| 143 | /* XXX not right but close enough for now */ |
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| 144 | options[0] = '\0'; |
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| 145 | for (p = opts; p != NULL; p = p->next) { |
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| 146 | strlcat(options, p->opt_usage, sizeof(options)); |
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| 147 | strlcat(options, " ", sizeof(options)); |
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| 148 | } |
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| 149 | |
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| 150 | fprintf(stderr, |
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| 151 | "usage: ifconfig %sinterface address_family [address [dest_address]]\n" |
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| 152 | " [parameters]\n" |
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| 153 | " ifconfig interface create\n" |
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| 154 | " ifconfig -a %s[-d] [-m] [-u] [-v] [address_family]\n" |
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| 155 | " ifconfig -l [-d] [-u] [address_family]\n" |
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| 156 | " ifconfig %s[-d] [-m] [-u] [-v]\n", |
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| 157 | options, options, options); |
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| 158 | exit(1); |
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| 159 | } |
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| 160 | |
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[3ac9bb1] | 161 | #ifdef __rtems__ |
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[60618d5] | 162 | static void ifconfig_ctor(void); |
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[b833cc4] | 163 | static void ifconfig_dtor(void); |
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[d01564c] | 164 | static int main(int argc, char *argv[]); |
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| 165 | |
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[a9be4b0] | 166 | int rtems_bsd_command_ifconfig(int argc, char *argv[]) |
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[d01564c] | 167 | { |
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[60618d5] | 168 | int exit_code; |
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| 169 | |
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| 170 | rtems_bsd_program_lock(); |
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| 171 | |
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| 172 | ifconfig_ctor(); |
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| 173 | |
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| 174 | atalk_ctor(); |
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| 175 | bridge_ctor(); |
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| 176 | carp_ctor(); |
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| 177 | clone_ctor(); |
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| 178 | gif_ctor(); |
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| 179 | gre_ctor(); |
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| 180 | group_ctor(); |
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| 181 | ifmedia_ctor(); |
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| 182 | inet_ctor(); |
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| 183 | inet6_ctor(); |
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| 184 | lagg_ctor(); |
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| 185 | link_ctor(); |
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| 186 | mac_ctor(); |
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| 187 | pfsync_ctor(); |
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| 188 | vlan_ctor(); |
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| 189 | |
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| 190 | exit_code = rtems_bsd_program_call_main("ifconfig", main, argc, argv); |
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| 191 | |
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[b833cc4] | 192 | clone_dtor(); |
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| 193 | ifconfig_dtor(); |
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| 194 | |
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[60618d5] | 195 | rtems_bsd_program_unlock(); |
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| 196 | |
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| 197 | return exit_code; |
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[d01564c] | 198 | } |
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| 199 | #endif /* __rtems__ */ |
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[ebbe3cc] | 200 | int |
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| 201 | main(int argc, char *argv[]) |
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| 202 | { |
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| 203 | int c, all, namesonly, downonly, uponly; |
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| 204 | const struct afswtch *afp = NULL; |
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| 205 | int ifindex; |
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| 206 | struct ifaddrs *ifap, *ifa; |
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| 207 | struct ifreq paifr; |
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| 208 | const struct sockaddr_dl *sdl; |
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[66659ff] | 209 | char options[1024], *cp, *namecp = NULL; |
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[ebbe3cc] | 210 | const char *ifname; |
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| 211 | struct option *p; |
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| 212 | size_t iflen; |
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[44ffbd5] | 213 | #ifdef __rtems__ |
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[c333bab] | 214 | struct getopt_data getopt_data; |
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| 215 | memset(&getopt_data, 0, sizeof(getopt_data)); |
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| 216 | #define optind getopt_data.optind |
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| 217 | #define optarg getopt_data.optarg |
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| 218 | #define opterr getopt_data.opterr |
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| 219 | #define optopt getopt_data.optopt |
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| 220 | #define getopt(argc, argv, opt) getopt_r(argc, argv, opt, &getopt_data) |
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| 221 | #endif /* __rtems__ */ |
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[ebbe3cc] | 222 | |
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| 223 | all = downonly = uponly = namesonly = noload = verbose = 0; |
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| 224 | |
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| 225 | /* Parse leading line options */ |
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[b4d6afd] | 226 | #ifndef __rtems__ |
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[ebbe3cc] | 227 | strlcpy(options, "adklmnuv", sizeof(options)); |
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[b4d6afd] | 228 | #else /* __rtems__ */ |
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| 229 | strlcpy(options, "+adklmnuv", sizeof(options)); |
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| 230 | #endif /* __rtems__ */ |
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[ebbe3cc] | 231 | for (p = opts; p != NULL; p = p->next) |
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| 232 | strlcat(options, p->opt, sizeof(options)); |
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| 233 | while ((c = getopt(argc, argv, options)) != -1) { |
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| 234 | switch (c) { |
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| 235 | case 'a': /* scan all interfaces */ |
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| 236 | all++; |
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| 237 | break; |
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| 238 | case 'd': /* restrict scan to "down" interfaces */ |
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| 239 | downonly++; |
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| 240 | break; |
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| 241 | case 'k': |
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| 242 | printkeys++; |
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| 243 | break; |
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| 244 | case 'l': /* scan interface names only */ |
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| 245 | namesonly++; |
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| 246 | break; |
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| 247 | case 'm': /* show media choices in status */ |
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| 248 | supmedia = 1; |
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| 249 | break; |
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| 250 | case 'n': /* suppress module loading */ |
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| 251 | noload++; |
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| 252 | break; |
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| 253 | case 'u': /* restrict scan to "up" interfaces */ |
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| 254 | uponly++; |
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| 255 | break; |
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| 256 | case 'v': |
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| 257 | verbose++; |
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| 258 | break; |
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| 259 | default: |
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| 260 | for (p = opts; p != NULL; p = p->next) |
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| 261 | if (p->opt[0] == c) { |
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| 262 | p->cb(optarg); |
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| 263 | break; |
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| 264 | } |
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| 265 | if (p == NULL) |
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| 266 | usage(); |
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| 267 | break; |
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| 268 | } |
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| 269 | } |
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| 270 | argc -= optind; |
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| 271 | argv += optind; |
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| 272 | |
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| 273 | /* -l cannot be used with -a or -m */ |
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| 274 | if (namesonly && (all || supmedia)) |
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| 275 | usage(); |
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| 276 | |
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| 277 | /* nonsense.. */ |
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| 278 | if (uponly && downonly) |
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| 279 | usage(); |
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| 280 | |
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| 281 | /* no arguments is equivalent to '-a' */ |
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| 282 | if (!namesonly && argc < 1) |
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| 283 | all = 1; |
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| 284 | |
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| 285 | /* -a and -l allow an address family arg to limit the output */ |
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| 286 | if (all || namesonly) { |
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| 287 | if (argc > 1) |
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| 288 | usage(); |
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| 289 | |
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| 290 | ifname = NULL; |
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| 291 | ifindex = 0; |
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| 292 | if (argc == 1) { |
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| 293 | afp = af_getbyname(*argv); |
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[66659ff] | 294 | if (afp == NULL) { |
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| 295 | warnx("Address family '%s' unknown.", *argv); |
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[ebbe3cc] | 296 | usage(); |
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[66659ff] | 297 | } |
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[ebbe3cc] | 298 | if (afp->af_name != NULL) |
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| 299 | argc--, argv++; |
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| 300 | /* leave with afp non-zero */ |
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| 301 | } |
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| 302 | } else { |
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| 303 | /* not listing, need an argument */ |
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| 304 | if (argc < 1) |
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| 305 | usage(); |
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| 306 | |
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| 307 | ifname = *argv; |
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| 308 | argc--, argv++; |
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| 309 | |
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| 310 | /* check and maybe load support for this interface */ |
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| 311 | ifmaybeload(ifname); |
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| 312 | |
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| 313 | ifindex = if_nametoindex(ifname); |
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| 314 | if (ifindex == 0) { |
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| 315 | /* |
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| 316 | * NOTE: We must special-case the `create' command |
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| 317 | * right here as we would otherwise fail when trying |
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| 318 | * to find the interface. |
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| 319 | */ |
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| 320 | if (argc > 0 && (strcmp(argv[0], "create") == 0 || |
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| 321 | strcmp(argv[0], "plumb") == 0)) { |
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| 322 | iflen = strlcpy(name, ifname, sizeof(name)); |
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| 323 | if (iflen >= sizeof(name)) |
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| 324 | errx(1, "%s: cloning name too long", |
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| 325 | ifname); |
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| 326 | ifconfig(argc, argv, 1, NULL); |
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| 327 | exit(0); |
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| 328 | } |
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| 329 | /* |
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| 330 | * NOTE: We have to special-case the `-vnet' command |
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| 331 | * right here as we would otherwise fail when trying |
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| 332 | * to find the interface as it lives in another vnet. |
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| 333 | */ |
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| 334 | if (argc > 0 && (strcmp(argv[0], "-vnet") == 0)) { |
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| 335 | iflen = strlcpy(name, ifname, sizeof(name)); |
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| 336 | if (iflen >= sizeof(name)) |
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| 337 | errx(1, "%s: interface name too long", |
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| 338 | ifname); |
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| 339 | ifconfig(argc, argv, 0, NULL); |
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| 340 | exit(0); |
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| 341 | } |
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| 342 | errx(1, "interface %s does not exist", ifname); |
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| 343 | } |
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| 344 | } |
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| 345 | |
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| 346 | /* Check for address family */ |
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| 347 | if (argc > 0) { |
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| 348 | afp = af_getbyname(*argv); |
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| 349 | if (afp != NULL) |
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| 350 | argc--, argv++; |
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| 351 | } |
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| 352 | |
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| 353 | if (getifaddrs(&ifap) != 0) |
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| 354 | err(EXIT_FAILURE, "getifaddrs"); |
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| 355 | cp = NULL; |
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| 356 | ifindex = 0; |
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| 357 | for (ifa = ifap; ifa; ifa = ifa->ifa_next) { |
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| 358 | memset(&paifr, 0, sizeof(paifr)); |
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| 359 | strncpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); |
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| 360 | if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { |
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| 361 | memcpy(&paifr.ifr_addr, ifa->ifa_addr, |
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| 362 | ifa->ifa_addr->sa_len); |
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| 363 | } |
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| 364 | |
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| 365 | if (ifname != NULL && strcmp(ifname, ifa->ifa_name) != 0) |
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| 366 | continue; |
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| 367 | if (ifa->ifa_addr->sa_family == AF_LINK) |
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| 368 | sdl = (const struct sockaddr_dl *) ifa->ifa_addr; |
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| 369 | else |
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| 370 | sdl = NULL; |
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[66659ff] | 371 | if (cp != NULL && strcmp(cp, ifa->ifa_name) == 0 && !namesonly) |
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[ebbe3cc] | 372 | continue; |
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| 373 | iflen = strlcpy(name, ifa->ifa_name, sizeof(name)); |
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| 374 | if (iflen >= sizeof(name)) { |
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| 375 | warnx("%s: interface name too long, skipping", |
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| 376 | ifa->ifa_name); |
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| 377 | continue; |
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| 378 | } |
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| 379 | cp = ifa->ifa_name; |
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| 380 | |
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[af5333e] | 381 | if ((ifa->ifa_flags & IFF_CANTCONFIG) != 0) |
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| 382 | continue; |
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[ebbe3cc] | 383 | if (downonly && (ifa->ifa_flags & IFF_UP) != 0) |
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| 384 | continue; |
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| 385 | if (uponly && (ifa->ifa_flags & IFF_UP) == 0) |
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| 386 | continue; |
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| 387 | /* |
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| 388 | * Are we just listing the interfaces? |
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| 389 | */ |
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| 390 | if (namesonly) { |
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[66659ff] | 391 | if (namecp == cp) |
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| 392 | continue; |
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| 393 | if (afp != NULL) { |
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| 394 | /* special case for "ether" address family */ |
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| 395 | if (!strcmp(afp->af_name, "ether")) { |
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| 396 | if (sdl == NULL || |
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| 397 | (sdl->sdl_type != IFT_ETHER && |
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| 398 | sdl->sdl_type != IFT_L2VLAN && |
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| 399 | sdl->sdl_type != IFT_BRIDGE) || |
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| 400 | sdl->sdl_alen != ETHER_ADDR_LEN) |
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| 401 | continue; |
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| 402 | } else { |
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| 403 | if (ifa->ifa_addr->sa_family != afp->af_af) |
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| 404 | continue; |
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| 405 | } |
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| 406 | } |
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| 407 | namecp = cp; |
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| 408 | ifindex++; |
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[ebbe3cc] | 409 | if (ifindex > 1) |
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| 410 | printf(" "); |
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| 411 | fputs(name, stdout); |
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| 412 | continue; |
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| 413 | } |
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[66659ff] | 414 | ifindex++; |
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[ebbe3cc] | 415 | |
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| 416 | if (argc > 0) |
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| 417 | ifconfig(argc, argv, 0, afp); |
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| 418 | else |
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| 419 | status(afp, sdl, ifa); |
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| 420 | } |
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| 421 | if (namesonly) |
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| 422 | printf("\n"); |
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| 423 | freeifaddrs(ifap); |
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| 424 | |
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| 425 | exit(0); |
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| 426 | } |
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| 427 | |
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| 428 | static struct afswtch *afs = NULL; |
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| 429 | |
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| 430 | void |
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| 431 | af_register(struct afswtch *p) |
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| 432 | { |
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| 433 | p->af_next = afs; |
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| 434 | afs = p; |
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| 435 | } |
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| 436 | |
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| 437 | static struct afswtch * |
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| 438 | af_getbyname(const char *name) |
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| 439 | { |
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| 440 | struct afswtch *afp; |
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| 441 | |
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| 442 | for (afp = afs; afp != NULL; afp = afp->af_next) |
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| 443 | if (strcmp(afp->af_name, name) == 0) |
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| 444 | return afp; |
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| 445 | return NULL; |
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| 446 | } |
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| 447 | |
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| 448 | static struct afswtch * |
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| 449 | af_getbyfamily(int af) |
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| 450 | { |
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| 451 | struct afswtch *afp; |
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| 452 | |
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| 453 | for (afp = afs; afp != NULL; afp = afp->af_next) |
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| 454 | if (afp->af_af == af) |
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| 455 | return afp; |
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| 456 | return NULL; |
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| 457 | } |
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| 458 | |
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| 459 | static void |
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| 460 | af_other_status(int s) |
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| 461 | { |
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| 462 | struct afswtch *afp; |
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| 463 | uint8_t afmask[howmany(AF_MAX, NBBY)]; |
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| 464 | |
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| 465 | memset(afmask, 0, sizeof(afmask)); |
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| 466 | for (afp = afs; afp != NULL; afp = afp->af_next) { |
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| 467 | if (afp->af_other_status == NULL) |
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| 468 | continue; |
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| 469 | if (afp->af_af != AF_UNSPEC && isset(afmask, afp->af_af)) |
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| 470 | continue; |
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| 471 | afp->af_other_status(s); |
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| 472 | setbit(afmask, afp->af_af); |
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| 473 | } |
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| 474 | } |
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| 475 | |
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| 476 | static void |
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| 477 | af_all_tunnel_status(int s) |
---|
| 478 | { |
---|
| 479 | struct afswtch *afp; |
---|
| 480 | uint8_t afmask[howmany(AF_MAX, NBBY)]; |
---|
| 481 | |
---|
| 482 | memset(afmask, 0, sizeof(afmask)); |
---|
| 483 | for (afp = afs; afp != NULL; afp = afp->af_next) { |
---|
| 484 | if (afp->af_status_tunnel == NULL) |
---|
| 485 | continue; |
---|
| 486 | if (afp->af_af != AF_UNSPEC && isset(afmask, afp->af_af)) |
---|
| 487 | continue; |
---|
| 488 | afp->af_status_tunnel(s); |
---|
| 489 | setbit(afmask, afp->af_af); |
---|
| 490 | } |
---|
| 491 | } |
---|
| 492 | |
---|
| 493 | static struct cmd *cmds = NULL; |
---|
| 494 | |
---|
| 495 | void |
---|
| 496 | cmd_register(struct cmd *p) |
---|
| 497 | { |
---|
| 498 | p->c_next = cmds; |
---|
| 499 | cmds = p; |
---|
| 500 | } |
---|
| 501 | |
---|
| 502 | static const struct cmd * |
---|
| 503 | cmd_lookup(const char *name, int iscreate) |
---|
| 504 | { |
---|
| 505 | #define N(a) (sizeof(a)/sizeof(a[0])) |
---|
| 506 | const struct cmd *p; |
---|
| 507 | |
---|
| 508 | for (p = cmds; p != NULL; p = p->c_next) |
---|
| 509 | if (strcmp(name, p->c_name) == 0) { |
---|
| 510 | if (iscreate) { |
---|
| 511 | if (p->c_iscloneop) |
---|
| 512 | return p; |
---|
| 513 | } else { |
---|
| 514 | if (!p->c_iscloneop) |
---|
| 515 | return p; |
---|
| 516 | } |
---|
| 517 | } |
---|
| 518 | return NULL; |
---|
| 519 | #undef N |
---|
| 520 | } |
---|
| 521 | |
---|
| 522 | struct callback { |
---|
| 523 | callback_func *cb_func; |
---|
| 524 | void *cb_arg; |
---|
| 525 | struct callback *cb_next; |
---|
| 526 | }; |
---|
| 527 | static struct callback *callbacks = NULL; |
---|
| 528 | |
---|
| 529 | void |
---|
| 530 | callback_register(callback_func *func, void *arg) |
---|
| 531 | { |
---|
| 532 | struct callback *cb; |
---|
| 533 | |
---|
| 534 | cb = malloc(sizeof(struct callback)); |
---|
| 535 | if (cb == NULL) |
---|
| 536 | errx(1, "unable to allocate memory for callback"); |
---|
| 537 | cb->cb_func = func; |
---|
| 538 | cb->cb_arg = arg; |
---|
| 539 | cb->cb_next = callbacks; |
---|
| 540 | callbacks = cb; |
---|
| 541 | } |
---|
| 542 | |
---|
| 543 | /* specially-handled commands */ |
---|
| 544 | static void setifaddr(const char *, int, int, const struct afswtch *); |
---|
| 545 | static const struct cmd setifaddr_cmd = DEF_CMD("ifaddr", 0, setifaddr); |
---|
| 546 | |
---|
| 547 | static void setifdstaddr(const char *, int, int, const struct afswtch *); |
---|
| 548 | static const struct cmd setifdstaddr_cmd = |
---|
| 549 | DEF_CMD("ifdstaddr", 0, setifdstaddr); |
---|
| 550 | |
---|
| 551 | static int |
---|
| 552 | ifconfig(int argc, char *const *argv, int iscreate, const struct afswtch *uafp) |
---|
| 553 | { |
---|
| 554 | const struct afswtch *afp, *nafp; |
---|
| 555 | const struct cmd *p; |
---|
| 556 | struct callback *cb; |
---|
| 557 | int s; |
---|
| 558 | |
---|
| 559 | strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); |
---|
[66659ff] | 560 | afp = NULL; |
---|
| 561 | if (uafp != NULL) |
---|
| 562 | afp = uafp; |
---|
| 563 | /* |
---|
| 564 | * This is the historical "accident" allowing users to configure IPv4 |
---|
| 565 | * addresses without the "inet" keyword which while a nice feature has |
---|
| 566 | * proven to complicate other things. We cannot remove this but only |
---|
| 567 | * make sure we will never have a similar implicit default for IPv6 or |
---|
| 568 | * any other address familiy. We need a fallback though for |
---|
| 569 | * ifconfig IF up/down etc. to work without INET support as people |
---|
| 570 | * never used ifconfig IF link up/down, etc. either. |
---|
| 571 | */ |
---|
| 572 | #ifndef RESCUE |
---|
| 573 | #ifdef INET |
---|
| 574 | if (afp == NULL && feature_present("inet")) |
---|
| 575 | afp = af_getbyname("inet"); |
---|
| 576 | #endif |
---|
| 577 | #endif |
---|
| 578 | if (afp == NULL) |
---|
| 579 | afp = af_getbyname("link"); |
---|
| 580 | if (afp == NULL) { |
---|
| 581 | warnx("Please specify an address_family."); |
---|
| 582 | usage(); |
---|
| 583 | } |
---|
[ebbe3cc] | 584 | top: |
---|
| 585 | ifr.ifr_addr.sa_family = |
---|
| 586 | afp->af_af == AF_LINK || afp->af_af == AF_UNSPEC ? |
---|
| 587 | AF_LOCAL : afp->af_af; |
---|
| 588 | |
---|
| 589 | if ((s = socket(ifr.ifr_addr.sa_family, SOCK_DGRAM, 0)) < 0 && |
---|
| 590 | (uafp != NULL || errno != EPROTONOSUPPORT || |
---|
| 591 | (s = socket(AF_LOCAL, SOCK_DGRAM, 0)) < 0)) |
---|
| 592 | err(1, "socket(family %u,SOCK_DGRAM", ifr.ifr_addr.sa_family); |
---|
| 593 | |
---|
| 594 | while (argc > 0) { |
---|
| 595 | p = cmd_lookup(*argv, iscreate); |
---|
| 596 | if (iscreate && p == NULL) { |
---|
| 597 | /* |
---|
| 598 | * Push the clone create callback so the new |
---|
| 599 | * device is created and can be used for any |
---|
| 600 | * remaining arguments. |
---|
| 601 | */ |
---|
| 602 | cb = callbacks; |
---|
| 603 | if (cb == NULL) |
---|
| 604 | errx(1, "internal error, no callback"); |
---|
| 605 | callbacks = cb->cb_next; |
---|
| 606 | cb->cb_func(s, cb->cb_arg); |
---|
| 607 | iscreate = 0; |
---|
| 608 | /* |
---|
| 609 | * Handle any address family spec that |
---|
| 610 | * immediately follows and potentially |
---|
| 611 | * recreate the socket. |
---|
| 612 | */ |
---|
| 613 | nafp = af_getbyname(*argv); |
---|
| 614 | if (nafp != NULL) { |
---|
| 615 | argc--, argv++; |
---|
| 616 | if (nafp != afp) { |
---|
| 617 | close(s); |
---|
| 618 | afp = nafp; |
---|
| 619 | goto top; |
---|
| 620 | } |
---|
| 621 | } |
---|
| 622 | /* |
---|
| 623 | * Look for a normal parameter. |
---|
| 624 | */ |
---|
| 625 | continue; |
---|
| 626 | } |
---|
| 627 | if (p == NULL) { |
---|
| 628 | /* |
---|
| 629 | * Not a recognized command, choose between setting |
---|
| 630 | * the interface address and the dst address. |
---|
| 631 | */ |
---|
| 632 | p = (setaddr ? &setifdstaddr_cmd : &setifaddr_cmd); |
---|
| 633 | } |
---|
| 634 | if (p->c_u.c_func || p->c_u.c_func2) { |
---|
| 635 | if (p->c_parameter == NEXTARG) { |
---|
| 636 | if (argv[1] == NULL) |
---|
| 637 | errx(1, "'%s' requires argument", |
---|
| 638 | p->c_name); |
---|
| 639 | p->c_u.c_func(argv[1], 0, s, afp); |
---|
| 640 | argc--, argv++; |
---|
| 641 | } else if (p->c_parameter == OPTARG) { |
---|
| 642 | p->c_u.c_func(argv[1], 0, s, afp); |
---|
| 643 | if (argv[1] != NULL) |
---|
| 644 | argc--, argv++; |
---|
| 645 | } else if (p->c_parameter == NEXTARG2) { |
---|
| 646 | if (argc < 3) |
---|
| 647 | errx(1, "'%s' requires 2 arguments", |
---|
| 648 | p->c_name); |
---|
| 649 | p->c_u.c_func2(argv[1], argv[2], s, afp); |
---|
| 650 | argc -= 2, argv += 2; |
---|
| 651 | } else |
---|
| 652 | p->c_u.c_func(*argv, p->c_parameter, s, afp); |
---|
| 653 | } |
---|
| 654 | argc--, argv++; |
---|
| 655 | } |
---|
| 656 | |
---|
| 657 | /* |
---|
| 658 | * Do any post argument processing required by the address family. |
---|
| 659 | */ |
---|
| 660 | if (afp->af_postproc != NULL) |
---|
| 661 | afp->af_postproc(s, afp); |
---|
| 662 | /* |
---|
| 663 | * Do deferred callbacks registered while processing |
---|
| 664 | * command-line arguments. |
---|
| 665 | */ |
---|
| 666 | for (cb = callbacks; cb != NULL; cb = cb->cb_next) |
---|
| 667 | cb->cb_func(s, cb->cb_arg); |
---|
| 668 | /* |
---|
| 669 | * Do deferred operations. |
---|
| 670 | */ |
---|
| 671 | if (clearaddr) { |
---|
| 672 | if (afp->af_ridreq == NULL || afp->af_difaddr == 0) { |
---|
| 673 | warnx("interface %s cannot change %s addresses!", |
---|
| 674 | name, afp->af_name); |
---|
| 675 | clearaddr = 0; |
---|
| 676 | } |
---|
| 677 | } |
---|
| 678 | if (clearaddr) { |
---|
| 679 | int ret; |
---|
| 680 | strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); |
---|
| 681 | ret = ioctl(s, afp->af_difaddr, afp->af_ridreq); |
---|
| 682 | if (ret < 0) { |
---|
| 683 | if (errno == EADDRNOTAVAIL && (doalias >= 0)) { |
---|
| 684 | /* means no previous address for interface */ |
---|
| 685 | } else |
---|
| 686 | Perror("ioctl (SIOCDIFADDR)"); |
---|
| 687 | } |
---|
| 688 | } |
---|
| 689 | if (newaddr) { |
---|
| 690 | if (afp->af_addreq == NULL || afp->af_aifaddr == 0) { |
---|
| 691 | warnx("interface %s cannot change %s addresses!", |
---|
| 692 | name, afp->af_name); |
---|
| 693 | newaddr = 0; |
---|
| 694 | } |
---|
| 695 | } |
---|
| 696 | if (newaddr && (setaddr || setmask)) { |
---|
| 697 | strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); |
---|
| 698 | if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0) |
---|
| 699 | Perror("ioctl (SIOCAIFADDR)"); |
---|
| 700 | } |
---|
| 701 | |
---|
| 702 | close(s); |
---|
| 703 | return(0); |
---|
| 704 | } |
---|
| 705 | |
---|
| 706 | /*ARGSUSED*/ |
---|
| 707 | static void |
---|
| 708 | setifaddr(const char *addr, int param, int s, const struct afswtch *afp) |
---|
| 709 | { |
---|
| 710 | if (afp->af_getaddr == NULL) |
---|
| 711 | return; |
---|
| 712 | /* |
---|
| 713 | * Delay the ioctl to set the interface addr until flags are all set. |
---|
| 714 | * The address interpretation may depend on the flags, |
---|
| 715 | * and the flags may change when the address is set. |
---|
| 716 | */ |
---|
| 717 | setaddr++; |
---|
| 718 | if (doalias == 0 && afp->af_af != AF_LINK) |
---|
| 719 | clearaddr = 1; |
---|
| 720 | afp->af_getaddr(addr, (doalias >= 0 ? ADDR : RIDADDR)); |
---|
| 721 | } |
---|
| 722 | |
---|
| 723 | static void |
---|
| 724 | settunnel(const char *src, const char *dst, int s, const struct afswtch *afp) |
---|
| 725 | { |
---|
| 726 | struct addrinfo *srcres, *dstres; |
---|
| 727 | int ecode; |
---|
| 728 | |
---|
| 729 | if (afp->af_settunnel == NULL) { |
---|
| 730 | warn("address family %s does not support tunnel setup", |
---|
| 731 | afp->af_name); |
---|
| 732 | return; |
---|
| 733 | } |
---|
| 734 | |
---|
| 735 | if ((ecode = getaddrinfo(src, NULL, NULL, &srcres)) != 0) |
---|
| 736 | errx(1, "error in parsing address string: %s", |
---|
| 737 | gai_strerror(ecode)); |
---|
| 738 | |
---|
| 739 | if ((ecode = getaddrinfo(dst, NULL, NULL, &dstres)) != 0) |
---|
| 740 | errx(1, "error in parsing address string: %s", |
---|
| 741 | gai_strerror(ecode)); |
---|
| 742 | |
---|
| 743 | if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) |
---|
| 744 | errx(1, |
---|
| 745 | "source and destination address families do not match"); |
---|
| 746 | |
---|
| 747 | afp->af_settunnel(s, srcres, dstres); |
---|
| 748 | |
---|
| 749 | freeaddrinfo(srcres); |
---|
| 750 | freeaddrinfo(dstres); |
---|
| 751 | } |
---|
| 752 | |
---|
| 753 | /* ARGSUSED */ |
---|
| 754 | static void |
---|
| 755 | deletetunnel(const char *vname, int param, int s, const struct afswtch *afp) |
---|
| 756 | { |
---|
| 757 | |
---|
| 758 | if (ioctl(s, SIOCDIFPHYADDR, &ifr) < 0) |
---|
| 759 | err(1, "SIOCDIFPHYADDR"); |
---|
| 760 | } |
---|
| 761 | |
---|
[43148f0] | 762 | #ifndef __rtems__ |
---|
[ebbe3cc] | 763 | static void |
---|
| 764 | setifvnet(const char *jname, int dummy __unused, int s, |
---|
| 765 | const struct afswtch *afp) |
---|
| 766 | { |
---|
| 767 | struct ifreq my_ifr; |
---|
| 768 | |
---|
| 769 | memcpy(&my_ifr, &ifr, sizeof(my_ifr)); |
---|
[44ffbd5] | 770 | my_ifr.ifr_jid = jail_getid(jname); |
---|
[ebbe3cc] | 771 | if (my_ifr.ifr_jid < 0) |
---|
| 772 | errx(1, "%s", jail_errmsg); |
---|
| 773 | if (ioctl(s, SIOCSIFVNET, &my_ifr) < 0) |
---|
| 774 | err(1, "SIOCSIFVNET"); |
---|
| 775 | } |
---|
| 776 | |
---|
| 777 | static void |
---|
| 778 | setifrvnet(const char *jname, int dummy __unused, int s, |
---|
| 779 | const struct afswtch *afp) |
---|
| 780 | { |
---|
| 781 | struct ifreq my_ifr; |
---|
| 782 | |
---|
| 783 | memcpy(&my_ifr, &ifr, sizeof(my_ifr)); |
---|
[44ffbd5] | 784 | my_ifr.ifr_jid = jail_getid(jname); |
---|
[ebbe3cc] | 785 | if (my_ifr.ifr_jid < 0) |
---|
| 786 | errx(1, "%s", jail_errmsg); |
---|
| 787 | if (ioctl(s, SIOCSIFRVNET, &my_ifr) < 0) |
---|
| 788 | err(1, "SIOCSIFRVNET(%d, %s)", my_ifr.ifr_jid, my_ifr.ifr_name); |
---|
| 789 | } |
---|
[43148f0] | 790 | #endif /* __rtems__ */ |
---|
[ebbe3cc] | 791 | |
---|
| 792 | static void |
---|
| 793 | setifnetmask(const char *addr, int dummy __unused, int s, |
---|
| 794 | const struct afswtch *afp) |
---|
| 795 | { |
---|
| 796 | if (afp->af_getaddr != NULL) { |
---|
| 797 | setmask++; |
---|
| 798 | afp->af_getaddr(addr, MASK); |
---|
| 799 | } |
---|
| 800 | } |
---|
| 801 | |
---|
| 802 | static void |
---|
| 803 | setifbroadaddr(const char *addr, int dummy __unused, int s, |
---|
| 804 | const struct afswtch *afp) |
---|
| 805 | { |
---|
| 806 | if (afp->af_getaddr != NULL) |
---|
| 807 | afp->af_getaddr(addr, DSTADDR); |
---|
| 808 | } |
---|
| 809 | |
---|
| 810 | static void |
---|
| 811 | setifipdst(const char *addr, int dummy __unused, int s, |
---|
| 812 | const struct afswtch *afp) |
---|
| 813 | { |
---|
| 814 | const struct afswtch *inet; |
---|
| 815 | |
---|
| 816 | inet = af_getbyname("inet"); |
---|
| 817 | if (inet == NULL) |
---|
| 818 | return; |
---|
| 819 | inet->af_getaddr(addr, DSTADDR); |
---|
| 820 | clearaddr = 0; |
---|
| 821 | newaddr = 0; |
---|
| 822 | } |
---|
| 823 | |
---|
| 824 | static void |
---|
| 825 | notealias(const char *addr, int param, int s, const struct afswtch *afp) |
---|
| 826 | { |
---|
| 827 | #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) |
---|
| 828 | if (setaddr && doalias == 0 && param < 0) |
---|
| 829 | if (afp->af_addreq != NULL && afp->af_ridreq != NULL) |
---|
| 830 | bcopy((caddr_t)rqtosa(af_addreq), |
---|
| 831 | (caddr_t)rqtosa(af_ridreq), |
---|
| 832 | rqtosa(af_addreq)->sa_len); |
---|
| 833 | doalias = param; |
---|
| 834 | if (param < 0) { |
---|
| 835 | clearaddr = 1; |
---|
| 836 | newaddr = 0; |
---|
| 837 | } else |
---|
| 838 | clearaddr = 0; |
---|
| 839 | #undef rqtosa |
---|
| 840 | } |
---|
| 841 | |
---|
| 842 | /*ARGSUSED*/ |
---|
| 843 | static void |
---|
| 844 | setifdstaddr(const char *addr, int param __unused, int s, |
---|
| 845 | const struct afswtch *afp) |
---|
| 846 | { |
---|
| 847 | if (afp->af_getaddr != NULL) |
---|
| 848 | afp->af_getaddr(addr, DSTADDR); |
---|
| 849 | } |
---|
| 850 | |
---|
| 851 | /* |
---|
| 852 | * Note: doing an SIOCIGIFFLAGS scribbles on the union portion |
---|
| 853 | * of the ifreq structure, which may confuse other parts of ifconfig. |
---|
| 854 | * Make a private copy so we can avoid that. |
---|
| 855 | */ |
---|
| 856 | static void |
---|
| 857 | setifflags(const char *vname, int value, int s, const struct afswtch *afp) |
---|
| 858 | { |
---|
| 859 | struct ifreq my_ifr; |
---|
| 860 | int flags; |
---|
| 861 | |
---|
| 862 | memset(&my_ifr, 0, sizeof(my_ifr)); |
---|
| 863 | (void) strlcpy(my_ifr.ifr_name, name, sizeof(my_ifr.ifr_name)); |
---|
| 864 | |
---|
| 865 | if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&my_ifr) < 0) { |
---|
| 866 | Perror("ioctl (SIOCGIFFLAGS)"); |
---|
| 867 | exit(1); |
---|
| 868 | } |
---|
| 869 | flags = (my_ifr.ifr_flags & 0xffff) | (my_ifr.ifr_flagshigh << 16); |
---|
| 870 | |
---|
| 871 | if (value < 0) { |
---|
| 872 | value = -value; |
---|
| 873 | flags &= ~value; |
---|
| 874 | } else |
---|
| 875 | flags |= value; |
---|
| 876 | my_ifr.ifr_flags = flags & 0xffff; |
---|
| 877 | my_ifr.ifr_flagshigh = flags >> 16; |
---|
| 878 | if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&my_ifr) < 0) |
---|
| 879 | Perror(vname); |
---|
| 880 | } |
---|
| 881 | |
---|
| 882 | void |
---|
| 883 | setifcap(const char *vname, int value, int s, const struct afswtch *afp) |
---|
| 884 | { |
---|
| 885 | int flags; |
---|
| 886 | |
---|
| 887 | if (ioctl(s, SIOCGIFCAP, (caddr_t)&ifr) < 0) { |
---|
| 888 | Perror("ioctl (SIOCGIFCAP)"); |
---|
| 889 | exit(1); |
---|
| 890 | } |
---|
| 891 | flags = ifr.ifr_curcap; |
---|
| 892 | if (value < 0) { |
---|
| 893 | value = -value; |
---|
| 894 | flags &= ~value; |
---|
| 895 | } else |
---|
| 896 | flags |= value; |
---|
| 897 | flags &= ifr.ifr_reqcap; |
---|
| 898 | ifr.ifr_reqcap = flags; |
---|
| 899 | if (ioctl(s, SIOCSIFCAP, (caddr_t)&ifr) < 0) |
---|
| 900 | Perror(vname); |
---|
| 901 | } |
---|
| 902 | |
---|
| 903 | static void |
---|
| 904 | setifmetric(const char *val, int dummy __unused, int s, |
---|
| 905 | const struct afswtch *afp) |
---|
| 906 | { |
---|
| 907 | strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); |
---|
| 908 | ifr.ifr_metric = atoi(val); |
---|
| 909 | if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) |
---|
| 910 | warn("ioctl (set metric)"); |
---|
| 911 | } |
---|
| 912 | |
---|
| 913 | static void |
---|
| 914 | setifmtu(const char *val, int dummy __unused, int s, |
---|
| 915 | const struct afswtch *afp) |
---|
| 916 | { |
---|
| 917 | strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); |
---|
| 918 | ifr.ifr_mtu = atoi(val); |
---|
| 919 | if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) |
---|
| 920 | warn("ioctl (set mtu)"); |
---|
| 921 | } |
---|
| 922 | |
---|
| 923 | static void |
---|
| 924 | setifname(const char *val, int dummy __unused, int s, |
---|
| 925 | const struct afswtch *afp) |
---|
| 926 | { |
---|
| 927 | char *newname; |
---|
| 928 | |
---|
| 929 | newname = strdup(val); |
---|
| 930 | if (newname == NULL) { |
---|
| 931 | warn("no memory to set ifname"); |
---|
| 932 | return; |
---|
| 933 | } |
---|
| 934 | ifr.ifr_data = newname; |
---|
| 935 | if (ioctl(s, SIOCSIFNAME, (caddr_t)&ifr) < 0) { |
---|
| 936 | warn("ioctl (set name)"); |
---|
| 937 | free(newname); |
---|
| 938 | return; |
---|
| 939 | } |
---|
| 940 | strlcpy(name, newname, sizeof(name)); |
---|
| 941 | free(newname); |
---|
| 942 | } |
---|
| 943 | |
---|
| 944 | /* ARGSUSED */ |
---|
| 945 | static void |
---|
| 946 | setifdescr(const char *val, int dummy __unused, int s, |
---|
| 947 | const struct afswtch *afp) |
---|
| 948 | { |
---|
| 949 | char *newdescr; |
---|
| 950 | |
---|
| 951 | ifr.ifr_buffer.length = strlen(val) + 1; |
---|
| 952 | if (ifr.ifr_buffer.length == 1) { |
---|
| 953 | ifr.ifr_buffer.buffer = newdescr = NULL; |
---|
| 954 | ifr.ifr_buffer.length = 0; |
---|
| 955 | } else { |
---|
| 956 | newdescr = strdup(val); |
---|
| 957 | ifr.ifr_buffer.buffer = newdescr; |
---|
| 958 | if (newdescr == NULL) { |
---|
| 959 | warn("no memory to set ifdescr"); |
---|
| 960 | return; |
---|
| 961 | } |
---|
| 962 | } |
---|
| 963 | |
---|
| 964 | if (ioctl(s, SIOCSIFDESCR, (caddr_t)&ifr) < 0) |
---|
| 965 | warn("ioctl (set descr)"); |
---|
| 966 | |
---|
| 967 | free(newdescr); |
---|
| 968 | } |
---|
| 969 | |
---|
| 970 | /* ARGSUSED */ |
---|
| 971 | static void |
---|
| 972 | unsetifdescr(const char *val, int value, int s, const struct afswtch *afp) |
---|
| 973 | { |
---|
| 974 | |
---|
| 975 | setifdescr("", 0, s, 0); |
---|
| 976 | } |
---|
| 977 | |
---|
| 978 | #define IFFBITS \ |
---|
| 979 | "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6SMART\7RUNNING" \ |
---|
| 980 | "\10NOARP\11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2" \ |
---|
| 981 | "\20MULTICAST\22PPROMISC\23MONITOR\24STATICARP" |
---|
| 982 | |
---|
| 983 | #define IFCAPBITS \ |
---|
| 984 | "\020\1RXCSUM\2TXCSUM\3NETCONS\4VLAN_MTU\5VLAN_HWTAGGING\6JUMBO_MTU\7POLLING" \ |
---|
| 985 | "\10VLAN_HWCSUM\11TSO4\12TSO6\13LRO\14WOL_UCAST\15WOL_MCAST\16WOL_MAGIC" \ |
---|
[66659ff] | 986 | "\17TOE4\20TOE6\21VLAN_HWFILTER\23VLAN_HWTSO\24LINKSTATE\25NETMAP" \ |
---|
| 987 | "\26RXCSUM_IPV6\27TXCSUM_IPV6" |
---|
[ebbe3cc] | 988 | |
---|
| 989 | /* |
---|
| 990 | * Print the status of the interface. If an address family was |
---|
| 991 | * specified, show only it; otherwise, show them all. |
---|
| 992 | */ |
---|
| 993 | static void |
---|
| 994 | status(const struct afswtch *afp, const struct sockaddr_dl *sdl, |
---|
| 995 | struct ifaddrs *ifa) |
---|
| 996 | { |
---|
| 997 | struct ifaddrs *ift; |
---|
| 998 | int allfamilies, s; |
---|
| 999 | struct ifstat ifs; |
---|
| 1000 | |
---|
| 1001 | if (afp == NULL) { |
---|
| 1002 | allfamilies = 1; |
---|
[efb82b8] | 1003 | #ifndef __rtems__ |
---|
[ebbe3cc] | 1004 | ifr.ifr_addr.sa_family = AF_LOCAL; |
---|
[efb82b8] | 1005 | #else /* __rtems__ */ |
---|
| 1006 | ifr.ifr_addr.sa_family = AF_INET; |
---|
| 1007 | #endif /* __rtems__ */ |
---|
[ebbe3cc] | 1008 | } else { |
---|
| 1009 | allfamilies = 0; |
---|
| 1010 | ifr.ifr_addr.sa_family = |
---|
| 1011 | afp->af_af == AF_LINK ? AF_LOCAL : afp->af_af; |
---|
| 1012 | } |
---|
| 1013 | strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); |
---|
| 1014 | |
---|
| 1015 | s = socket(ifr.ifr_addr.sa_family, SOCK_DGRAM, 0); |
---|
| 1016 | if (s < 0) |
---|
| 1017 | err(1, "socket(family %u,SOCK_DGRAM)", ifr.ifr_addr.sa_family); |
---|
| 1018 | |
---|
| 1019 | printf("%s: ", name); |
---|
| 1020 | printb("flags", ifa->ifa_flags, IFFBITS); |
---|
| 1021 | if (ioctl(s, SIOCGIFMETRIC, &ifr) != -1) |
---|
| 1022 | printf(" metric %d", ifr.ifr_metric); |
---|
| 1023 | if (ioctl(s, SIOCGIFMTU, &ifr) != -1) |
---|
| 1024 | printf(" mtu %d", ifr.ifr_mtu); |
---|
| 1025 | putchar('\n'); |
---|
| 1026 | |
---|
| 1027 | for (;;) { |
---|
| 1028 | if ((descr = reallocf(descr, descrlen)) != NULL) { |
---|
| 1029 | ifr.ifr_buffer.buffer = descr; |
---|
| 1030 | ifr.ifr_buffer.length = descrlen; |
---|
| 1031 | if (ioctl(s, SIOCGIFDESCR, &ifr) == 0) { |
---|
| 1032 | if (ifr.ifr_buffer.buffer == descr) { |
---|
| 1033 | if (strlen(descr) > 0) |
---|
| 1034 | printf("\tdescription: %s\n", |
---|
| 1035 | descr); |
---|
| 1036 | } else if (ifr.ifr_buffer.length > descrlen) { |
---|
| 1037 | descrlen = ifr.ifr_buffer.length; |
---|
| 1038 | continue; |
---|
| 1039 | } |
---|
| 1040 | } |
---|
| 1041 | } else |
---|
| 1042 | warn("unable to allocate memory for interface" |
---|
| 1043 | "description"); |
---|
| 1044 | break; |
---|
| 1045 | } |
---|
| 1046 | |
---|
| 1047 | if (ioctl(s, SIOCGIFCAP, (caddr_t)&ifr) == 0) { |
---|
| 1048 | if (ifr.ifr_curcap != 0) { |
---|
| 1049 | printb("\toptions", ifr.ifr_curcap, IFCAPBITS); |
---|
| 1050 | putchar('\n'); |
---|
| 1051 | } |
---|
| 1052 | if (supmedia && ifr.ifr_reqcap != 0) { |
---|
| 1053 | printb("\tcapabilities", ifr.ifr_reqcap, IFCAPBITS); |
---|
| 1054 | putchar('\n'); |
---|
| 1055 | } |
---|
| 1056 | } |
---|
| 1057 | |
---|
| 1058 | tunnel_status(s); |
---|
| 1059 | |
---|
| 1060 | for (ift = ifa; ift != NULL; ift = ift->ifa_next) { |
---|
| 1061 | if (ift->ifa_addr == NULL) |
---|
| 1062 | continue; |
---|
| 1063 | if (strcmp(ifa->ifa_name, ift->ifa_name) != 0) |
---|
| 1064 | continue; |
---|
| 1065 | if (allfamilies) { |
---|
| 1066 | const struct afswtch *p; |
---|
| 1067 | p = af_getbyfamily(ift->ifa_addr->sa_family); |
---|
| 1068 | if (p != NULL && p->af_status != NULL) |
---|
| 1069 | p->af_status(s, ift); |
---|
| 1070 | } else if (afp->af_af == ift->ifa_addr->sa_family) |
---|
| 1071 | afp->af_status(s, ift); |
---|
| 1072 | } |
---|
| 1073 | #if 0 |
---|
| 1074 | if (allfamilies || afp->af_af == AF_LINK) { |
---|
| 1075 | const struct afswtch *lafp; |
---|
| 1076 | |
---|
| 1077 | /* |
---|
| 1078 | * Hack; the link level address is received separately |
---|
| 1079 | * from the routing information so any address is not |
---|
| 1080 | * handled above. Cobble together an entry and invoke |
---|
| 1081 | * the status method specially. |
---|
| 1082 | */ |
---|
| 1083 | lafp = af_getbyname("lladdr"); |
---|
| 1084 | if (lafp != NULL) { |
---|
| 1085 | info.rti_info[RTAX_IFA] = (struct sockaddr *)sdl; |
---|
| 1086 | lafp->af_status(s, &info); |
---|
| 1087 | } |
---|
| 1088 | } |
---|
| 1089 | #endif |
---|
| 1090 | if (allfamilies) |
---|
| 1091 | af_other_status(s); |
---|
| 1092 | else if (afp->af_other_status != NULL) |
---|
| 1093 | afp->af_other_status(s); |
---|
| 1094 | |
---|
| 1095 | strncpy(ifs.ifs_name, name, sizeof ifs.ifs_name); |
---|
| 1096 | if (ioctl(s, SIOCGIFSTATUS, &ifs) == 0) |
---|
| 1097 | printf("%s", ifs.ascii); |
---|
| 1098 | |
---|
| 1099 | close(s); |
---|
| 1100 | return; |
---|
| 1101 | } |
---|
| 1102 | |
---|
| 1103 | static void |
---|
| 1104 | tunnel_status(int s) |
---|
| 1105 | { |
---|
| 1106 | af_all_tunnel_status(s); |
---|
| 1107 | } |
---|
| 1108 | |
---|
| 1109 | void |
---|
| 1110 | Perror(const char *cmd) |
---|
| 1111 | { |
---|
| 1112 | switch (errno) { |
---|
| 1113 | |
---|
| 1114 | case ENXIO: |
---|
| 1115 | errx(1, "%s: no such interface", cmd); |
---|
| 1116 | break; |
---|
| 1117 | |
---|
| 1118 | case EPERM: |
---|
| 1119 | errx(1, "%s: permission denied", cmd); |
---|
| 1120 | break; |
---|
| 1121 | |
---|
| 1122 | default: |
---|
| 1123 | err(1, "%s", cmd); |
---|
| 1124 | } |
---|
| 1125 | } |
---|
| 1126 | |
---|
| 1127 | /* |
---|
| 1128 | * Print a value a la the %b format of the kernel's printf |
---|
| 1129 | */ |
---|
| 1130 | void |
---|
| 1131 | printb(const char *s, unsigned v, const char *bits) |
---|
| 1132 | { |
---|
| 1133 | int i, any = 0; |
---|
| 1134 | char c; |
---|
| 1135 | |
---|
| 1136 | if (bits && *bits == 8) |
---|
| 1137 | printf("%s=%o", s, v); |
---|
| 1138 | else |
---|
| 1139 | printf("%s=%x", s, v); |
---|
| 1140 | bits++; |
---|
| 1141 | if (bits) { |
---|
| 1142 | putchar('<'); |
---|
| 1143 | while ((i = *bits++) != '\0') { |
---|
| 1144 | if (v & (1 << (i-1))) { |
---|
| 1145 | if (any) |
---|
| 1146 | putchar(','); |
---|
| 1147 | any = 1; |
---|
| 1148 | for (; (c = *bits) > 32; bits++) |
---|
| 1149 | putchar(c); |
---|
| 1150 | } else |
---|
| 1151 | for (; *bits > 32; bits++) |
---|
| 1152 | ; |
---|
| 1153 | } |
---|
| 1154 | putchar('>'); |
---|
| 1155 | } |
---|
| 1156 | } |
---|
| 1157 | |
---|
| 1158 | void |
---|
| 1159 | ifmaybeload(const char *name) |
---|
| 1160 | { |
---|
[44ffbd5] | 1161 | #ifndef __rtems__ |
---|
[ebbe3cc] | 1162 | #define MOD_PREFIX_LEN 3 /* "if_" */ |
---|
| 1163 | struct module_stat mstat; |
---|
| 1164 | int fileid, modid; |
---|
| 1165 | char ifkind[IFNAMSIZ + MOD_PREFIX_LEN], ifname[IFNAMSIZ], *dp; |
---|
| 1166 | const char *cp; |
---|
| 1167 | |
---|
| 1168 | /* loading suppressed by the user */ |
---|
| 1169 | if (noload) |
---|
| 1170 | return; |
---|
| 1171 | |
---|
| 1172 | /* trim the interface number off the end */ |
---|
| 1173 | strlcpy(ifname, name, sizeof(ifname)); |
---|
| 1174 | for (dp = ifname; *dp != 0; dp++) |
---|
| 1175 | if (isdigit(*dp)) { |
---|
| 1176 | *dp = 0; |
---|
| 1177 | break; |
---|
| 1178 | } |
---|
| 1179 | |
---|
| 1180 | /* turn interface and unit into module name */ |
---|
| 1181 | strcpy(ifkind, "if_"); |
---|
| 1182 | strlcpy(ifkind + MOD_PREFIX_LEN, ifname, |
---|
| 1183 | sizeof(ifkind) - MOD_PREFIX_LEN); |
---|
| 1184 | |
---|
| 1185 | /* scan files in kernel */ |
---|
| 1186 | mstat.version = sizeof(struct module_stat); |
---|
| 1187 | for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid)) { |
---|
| 1188 | /* scan modules in file */ |
---|
| 1189 | for (modid = kldfirstmod(fileid); modid > 0; |
---|
| 1190 | modid = modfnext(modid)) { |
---|
| 1191 | if (modstat(modid, &mstat) < 0) |
---|
| 1192 | continue; |
---|
| 1193 | /* strip bus name if present */ |
---|
| 1194 | if ((cp = strchr(mstat.name, '/')) != NULL) { |
---|
| 1195 | cp++; |
---|
| 1196 | } else { |
---|
| 1197 | cp = mstat.name; |
---|
| 1198 | } |
---|
| 1199 | /* already loaded? */ |
---|
| 1200 | if (strncmp(ifname, cp, strlen(ifname) + 1) == 0 || |
---|
| 1201 | strncmp(ifkind, cp, strlen(ifkind) + 1) == 0) |
---|
| 1202 | return; |
---|
| 1203 | } |
---|
| 1204 | } |
---|
| 1205 | |
---|
| 1206 | /* not present, we should try to load it */ |
---|
| 1207 | kldload(ifkind); |
---|
[0a57e1d] | 1208 | #endif /* __rtems__ */ |
---|
[ebbe3cc] | 1209 | } |
---|
| 1210 | |
---|
| 1211 | static struct cmd basic_cmds[] = { |
---|
| 1212 | DEF_CMD("up", IFF_UP, setifflags), |
---|
| 1213 | DEF_CMD("down", -IFF_UP, setifflags), |
---|
| 1214 | DEF_CMD("arp", -IFF_NOARP, setifflags), |
---|
| 1215 | DEF_CMD("-arp", IFF_NOARP, setifflags), |
---|
| 1216 | DEF_CMD("debug", IFF_DEBUG, setifflags), |
---|
| 1217 | DEF_CMD("-debug", -IFF_DEBUG, setifflags), |
---|
| 1218 | DEF_CMD_ARG("description", setifdescr), |
---|
| 1219 | DEF_CMD_ARG("descr", setifdescr), |
---|
| 1220 | DEF_CMD("-description", 0, unsetifdescr), |
---|
| 1221 | DEF_CMD("-descr", 0, unsetifdescr), |
---|
| 1222 | DEF_CMD("promisc", IFF_PPROMISC, setifflags), |
---|
| 1223 | DEF_CMD("-promisc", -IFF_PPROMISC, setifflags), |
---|
| 1224 | DEF_CMD("add", IFF_UP, notealias), |
---|
| 1225 | DEF_CMD("alias", IFF_UP, notealias), |
---|
| 1226 | DEF_CMD("-alias", -IFF_UP, notealias), |
---|
| 1227 | DEF_CMD("delete", -IFF_UP, notealias), |
---|
| 1228 | DEF_CMD("remove", -IFF_UP, notealias), |
---|
| 1229 | #ifdef notdef |
---|
| 1230 | #define EN_SWABIPS 0x1000 |
---|
| 1231 | DEF_CMD("swabips", EN_SWABIPS, setifflags), |
---|
| 1232 | DEF_CMD("-swabips", -EN_SWABIPS, setifflags), |
---|
| 1233 | #endif |
---|
| 1234 | DEF_CMD_ARG("netmask", setifnetmask), |
---|
| 1235 | DEF_CMD_ARG("metric", setifmetric), |
---|
| 1236 | DEF_CMD_ARG("broadcast", setifbroadaddr), |
---|
| 1237 | DEF_CMD_ARG("ipdst", setifipdst), |
---|
| 1238 | DEF_CMD_ARG2("tunnel", settunnel), |
---|
| 1239 | DEF_CMD("-tunnel", 0, deletetunnel), |
---|
| 1240 | DEF_CMD("deletetunnel", 0, deletetunnel), |
---|
[43148f0] | 1241 | #ifndef __rtems__ |
---|
[ebbe3cc] | 1242 | DEF_CMD_ARG("vnet", setifvnet), |
---|
| 1243 | DEF_CMD_ARG("-vnet", setifrvnet), |
---|
[43148f0] | 1244 | #endif /* __rtems__ */ |
---|
[ebbe3cc] | 1245 | DEF_CMD("link0", IFF_LINK0, setifflags), |
---|
| 1246 | DEF_CMD("-link0", -IFF_LINK0, setifflags), |
---|
| 1247 | DEF_CMD("link1", IFF_LINK1, setifflags), |
---|
| 1248 | DEF_CMD("-link1", -IFF_LINK1, setifflags), |
---|
| 1249 | DEF_CMD("link2", IFF_LINK2, setifflags), |
---|
| 1250 | DEF_CMD("-link2", -IFF_LINK2, setifflags), |
---|
| 1251 | DEF_CMD("monitor", IFF_MONITOR, setifflags), |
---|
| 1252 | DEF_CMD("-monitor", -IFF_MONITOR, setifflags), |
---|
| 1253 | DEF_CMD("staticarp", IFF_STATICARP, setifflags), |
---|
| 1254 | DEF_CMD("-staticarp", -IFF_STATICARP, setifflags), |
---|
[66659ff] | 1255 | DEF_CMD("rxcsum6", IFCAP_RXCSUM_IPV6, setifcap), |
---|
| 1256 | DEF_CMD("-rxcsum6", -IFCAP_RXCSUM_IPV6, setifcap), |
---|
| 1257 | DEF_CMD("txcsum6", IFCAP_TXCSUM_IPV6, setifcap), |
---|
| 1258 | DEF_CMD("-txcsum6", -IFCAP_TXCSUM_IPV6, setifcap), |
---|
[ebbe3cc] | 1259 | DEF_CMD("rxcsum", IFCAP_RXCSUM, setifcap), |
---|
| 1260 | DEF_CMD("-rxcsum", -IFCAP_RXCSUM, setifcap), |
---|
| 1261 | DEF_CMD("txcsum", IFCAP_TXCSUM, setifcap), |
---|
| 1262 | DEF_CMD("-txcsum", -IFCAP_TXCSUM, setifcap), |
---|
| 1263 | DEF_CMD("netcons", IFCAP_NETCONS, setifcap), |
---|
| 1264 | DEF_CMD("-netcons", -IFCAP_NETCONS, setifcap), |
---|
| 1265 | DEF_CMD("polling", IFCAP_POLLING, setifcap), |
---|
| 1266 | DEF_CMD("-polling", -IFCAP_POLLING, setifcap), |
---|
[66659ff] | 1267 | DEF_CMD("tso6", IFCAP_TSO6, setifcap), |
---|
| 1268 | DEF_CMD("-tso6", -IFCAP_TSO6, setifcap), |
---|
| 1269 | DEF_CMD("tso4", IFCAP_TSO4, setifcap), |
---|
| 1270 | DEF_CMD("-tso4", -IFCAP_TSO4, setifcap), |
---|
[ebbe3cc] | 1271 | DEF_CMD("tso", IFCAP_TSO, setifcap), |
---|
| 1272 | DEF_CMD("-tso", -IFCAP_TSO, setifcap), |
---|
[66659ff] | 1273 | DEF_CMD("toe", IFCAP_TOE, setifcap), |
---|
| 1274 | DEF_CMD("-toe", -IFCAP_TOE, setifcap), |
---|
[ebbe3cc] | 1275 | DEF_CMD("lro", IFCAP_LRO, setifcap), |
---|
| 1276 | DEF_CMD("-lro", -IFCAP_LRO, setifcap), |
---|
| 1277 | DEF_CMD("wol", IFCAP_WOL, setifcap), |
---|
| 1278 | DEF_CMD("-wol", -IFCAP_WOL, setifcap), |
---|
| 1279 | DEF_CMD("wol_ucast", IFCAP_WOL_UCAST, setifcap), |
---|
| 1280 | DEF_CMD("-wol_ucast", -IFCAP_WOL_UCAST, setifcap), |
---|
| 1281 | DEF_CMD("wol_mcast", IFCAP_WOL_MCAST, setifcap), |
---|
| 1282 | DEF_CMD("-wol_mcast", -IFCAP_WOL_MCAST, setifcap), |
---|
| 1283 | DEF_CMD("wol_magic", IFCAP_WOL_MAGIC, setifcap), |
---|
| 1284 | DEF_CMD("-wol_magic", -IFCAP_WOL_MAGIC, setifcap), |
---|
| 1285 | DEF_CMD("normal", -IFF_LINK0, setifflags), |
---|
| 1286 | DEF_CMD("compress", IFF_LINK0, setifflags), |
---|
| 1287 | DEF_CMD("noicmp", IFF_LINK1, setifflags), |
---|
| 1288 | DEF_CMD_ARG("mtu", setifmtu), |
---|
| 1289 | DEF_CMD_ARG("name", setifname), |
---|
| 1290 | }; |
---|
| 1291 | |
---|
| 1292 | static __constructor void |
---|
| 1293 | ifconfig_ctor(void) |
---|
| 1294 | { |
---|
[60618d5] | 1295 | #ifdef __rtems__ |
---|
| 1296 | memset(&ifr, 0, sizeof(ifr)); |
---|
| 1297 | memset(&name, 0, sizeof(name)); |
---|
| 1298 | descr = NULL; |
---|
| 1299 | descrlen = 64; |
---|
| 1300 | setaddr = 0; |
---|
| 1301 | setmask = 0; |
---|
| 1302 | doalias = 0; |
---|
| 1303 | clearaddr = 0; |
---|
| 1304 | newaddr = 1; |
---|
| 1305 | verbose = 0; |
---|
| 1306 | noload = 0; |
---|
| 1307 | supmedia = 0; |
---|
| 1308 | printkeys = 0; |
---|
| 1309 | opts = NULL; |
---|
| 1310 | afs = NULL; |
---|
| 1311 | callbacks = NULL; |
---|
| 1312 | cmds = NULL; |
---|
| 1313 | #endif /* __rtems__ */ |
---|
[ebbe3cc] | 1314 | #define N(a) (sizeof(a) / sizeof(a[0])) |
---|
| 1315 | size_t i; |
---|
| 1316 | |
---|
| 1317 | for (i = 0; i < N(basic_cmds); i++) |
---|
| 1318 | cmd_register(&basic_cmds[i]); |
---|
| 1319 | #undef N |
---|
| 1320 | } |
---|
[b833cc4] | 1321 | #ifdef __rtems__ |
---|
| 1322 | static void |
---|
| 1323 | ifconfig_dtor(void) |
---|
| 1324 | { |
---|
| 1325 | struct callback *cb = callbacks; |
---|
| 1326 | |
---|
| 1327 | while (cb != NULL) { |
---|
| 1328 | struct callback *to_free = cb; |
---|
| 1329 | |
---|
| 1330 | cb = to_free->cb_next; |
---|
| 1331 | free(to_free); |
---|
| 1332 | } |
---|
| 1333 | |
---|
| 1334 | free(descr); |
---|
| 1335 | } |
---|
| 1336 | #endif /* __rtems__ */ |
---|