[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) 2006 Max Laier. All rights reserved. |
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| 5 | * |
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| 6 | * Redistribution and use in source and binary forms, with or without |
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| 7 | * modification, are permitted provided that the following conditions |
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| 8 | * are met: |
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| 9 | * 1. Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * |
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| 15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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| 16 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 18 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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| 19 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 20 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 21 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 22 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 23 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 24 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 25 | * SUCH DAMAGE. |
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| 26 | */ |
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| 27 | |
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| 28 | #ifndef lint |
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| 29 | static const char rcsid[] = |
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| 30 | "$FreeBSD$"; |
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| 31 | #endif /* not lint */ |
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| 32 | |
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[56e9de9] | 33 | #ifdef __rtems__ |
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| 34 | #include <machine/rtems-bsd-program.h> |
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| 35 | #endif /* __rtems__ */ |
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[3d1e767] | 36 | #include <sys/types.h> |
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[ebbe3cc] | 37 | #include <sys/ioctl.h> |
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| 38 | #include <sys/socket.h> |
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| 39 | #include <net/if.h> |
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| 40 | |
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| 41 | #include <ctype.h> |
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| 42 | #include <err.h> |
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| 43 | #include <errno.h> |
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| 44 | #include <stdio.h> |
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| 45 | #include <stdlib.h> |
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| 46 | #include <string.h> |
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| 47 | #include <unistd.h> |
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| 48 | |
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| 49 | #include "ifconfig.h" |
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| 50 | |
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| 51 | /* ARGSUSED */ |
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| 52 | static void |
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| 53 | setifgroup(const char *group_name, int d, int s, const struct afswtch *rafp) |
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| 54 | { |
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| 55 | struct ifgroupreq ifgr; |
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| 56 | |
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| 57 | memset(&ifgr, 0, sizeof(ifgr)); |
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| 58 | strlcpy(ifgr.ifgr_name, name, IFNAMSIZ); |
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| 59 | |
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[8ff186f] | 60 | if (group_name[0] && isdigit((unsigned char)group_name[strlen(group_name) - 1])) |
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[ebbe3cc] | 61 | errx(1, "setifgroup: group names may not end in a digit"); |
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| 62 | |
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| 63 | if (strlcpy(ifgr.ifgr_group, group_name, IFNAMSIZ) >= IFNAMSIZ) |
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| 64 | errx(1, "setifgroup: group name too long"); |
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[7eeb079] | 65 | if (ioctl(s, SIOCAIFGROUP, (caddr_t)&ifgr) == -1 && errno != EEXIST) |
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[ebbe3cc] | 66 | err(1," SIOCAIFGROUP"); |
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| 67 | } |
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| 68 | |
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| 69 | /* ARGSUSED */ |
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| 70 | static void |
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| 71 | unsetifgroup(const char *group_name, int d, int s, const struct afswtch *rafp) |
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| 72 | { |
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| 73 | struct ifgroupreq ifgr; |
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| 74 | |
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| 75 | memset(&ifgr, 0, sizeof(ifgr)); |
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| 76 | strlcpy(ifgr.ifgr_name, name, IFNAMSIZ); |
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| 77 | |
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[8ff186f] | 78 | if (group_name[0] && isdigit((unsigned char)group_name[strlen(group_name) - 1])) |
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[ebbe3cc] | 79 | errx(1, "unsetifgroup: group names may not end in a digit"); |
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| 80 | |
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| 81 | if (strlcpy(ifgr.ifgr_group, group_name, IFNAMSIZ) >= IFNAMSIZ) |
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| 82 | errx(1, "unsetifgroup: group name too long"); |
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[7eeb079] | 83 | if (ioctl(s, SIOCDIFGROUP, (caddr_t)&ifgr) == -1 && errno != ENOENT) |
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[ebbe3cc] | 84 | err(1, "SIOCDIFGROUP"); |
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| 85 | } |
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| 86 | |
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| 87 | static void |
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| 88 | getifgroups(int s) |
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| 89 | { |
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| 90 | int len, cnt; |
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| 91 | struct ifgroupreq ifgr; |
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| 92 | struct ifg_req *ifg; |
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| 93 | |
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| 94 | if (!verbose) |
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| 95 | return; |
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| 96 | |
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| 97 | memset(&ifgr, 0, sizeof(ifgr)); |
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| 98 | strlcpy(ifgr.ifgr_name, name, IFNAMSIZ); |
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| 99 | |
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| 100 | if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1) { |
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| 101 | if (errno == EINVAL || errno == ENOTTY) |
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| 102 | return; |
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| 103 | else |
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| 104 | err(1, "SIOCGIFGROUP"); |
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| 105 | } |
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| 106 | |
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| 107 | len = ifgr.ifgr_len; |
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| 108 | ifgr.ifgr_groups = |
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| 109 | (struct ifg_req *)calloc(len / sizeof(struct ifg_req), |
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| 110 | sizeof(struct ifg_req)); |
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| 111 | if (ifgr.ifgr_groups == NULL) |
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| 112 | err(1, "getifgroups"); |
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| 113 | if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1) |
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| 114 | err(1, "SIOCGIFGROUP"); |
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| 115 | |
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| 116 | cnt = 0; |
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| 117 | ifg = ifgr.ifgr_groups; |
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| 118 | for (; ifg && len >= sizeof(struct ifg_req); ifg++) { |
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| 119 | len -= sizeof(struct ifg_req); |
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| 120 | if (strcmp(ifg->ifgrq_group, "all")) { |
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| 121 | if (cnt == 0) |
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| 122 | printf("\tgroups: "); |
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| 123 | cnt++; |
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| 124 | printf("%s ", ifg->ifgrq_group); |
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| 125 | } |
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| 126 | } |
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| 127 | if (cnt) |
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| 128 | printf("\n"); |
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| 129 | } |
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| 130 | |
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| 131 | static void |
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| 132 | printgroup(const char *groupname) |
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| 133 | { |
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| 134 | struct ifgroupreq ifgr; |
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| 135 | struct ifg_req *ifg; |
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| 136 | int len, cnt = 0; |
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| 137 | int s; |
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| 138 | |
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| 139 | s = socket(AF_LOCAL, SOCK_DGRAM, 0); |
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| 140 | if (s == -1) |
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| 141 | err(1, "socket(AF_LOCAL,SOCK_DGRAM)"); |
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| 142 | bzero(&ifgr, sizeof(ifgr)); |
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| 143 | strlcpy(ifgr.ifgr_name, groupname, sizeof(ifgr.ifgr_name)); |
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| 144 | if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == -1) { |
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[b833cc4] | 145 | close(s); |
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[ebbe3cc] | 146 | if (errno == EINVAL || errno == ENOTTY || |
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| 147 | errno == ENOENT) |
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| 148 | exit(0); |
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| 149 | else |
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| 150 | err(1, "SIOCGIFGMEMB"); |
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| 151 | } |
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| 152 | |
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| 153 | len = ifgr.ifgr_len; |
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[b833cc4] | 154 | if ((ifgr.ifgr_groups = calloc(1, len)) == NULL) { |
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| 155 | close(s); |
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[ebbe3cc] | 156 | err(1, "printgroup"); |
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[b833cc4] | 157 | } |
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| 158 | if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == -1) { |
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| 159 | free(ifgr.ifgr_groups); |
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| 160 | close(s); |
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[ebbe3cc] | 161 | err(1, "SIOCGIFGMEMB"); |
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[b833cc4] | 162 | } |
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[ebbe3cc] | 163 | |
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| 164 | for (ifg = ifgr.ifgr_groups; ifg && len >= sizeof(struct ifg_req); |
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| 165 | ifg++) { |
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| 166 | len -= sizeof(struct ifg_req); |
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| 167 | printf("%s\n", ifg->ifgrq_member); |
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| 168 | cnt++; |
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| 169 | } |
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| 170 | free(ifgr.ifgr_groups); |
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[b833cc4] | 171 | close(s); |
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[ebbe3cc] | 172 | |
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| 173 | exit(0); |
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| 174 | } |
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| 175 | |
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| 176 | static struct cmd group_cmds[] = { |
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| 177 | DEF_CMD_ARG("group", setifgroup), |
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| 178 | DEF_CMD_ARG("-group", unsetifgroup), |
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| 179 | }; |
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| 180 | static struct afswtch af_group = { |
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| 181 | .af_name = "af_group", |
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| 182 | .af_af = AF_UNSPEC, |
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| 183 | .af_other_status = getifgroups, |
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| 184 | }; |
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| 185 | static struct option group_gopt = { "g:", "[-g groupname]", printgroup }; |
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| 186 | |
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[60618d5] | 187 | #ifndef __rtems__ |
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[ebbe3cc] | 188 | static __constructor void |
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[60618d5] | 189 | #else /* __rtems__ */ |
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| 190 | void |
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| 191 | #endif /* __rtems__ */ |
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[ebbe3cc] | 192 | group_ctor(void) |
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| 193 | { |
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| 194 | #define N(a) (sizeof(a) / sizeof(a[0])) |
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| 195 | int i; |
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| 196 | |
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| 197 | for (i = 0; i < N(group_cmds); i++) |
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| 198 | cmd_register(&group_cmds[i]); |
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| 199 | af_register(&af_group); |
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| 200 | opt_register(&group_gopt); |
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| 201 | #undef N |
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| 202 | } |
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