[f5c6651] | 1 | /* |
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| 2 | * Copyright (c) 2016 Chris Johns <chrisj@rtems.org>. All rights reserved. |
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| 3 | * |
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| 4 | * Redistribution and use in source and binary forms, with or without |
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| 5 | * modification, are permitted provided that the following conditions |
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| 6 | * are met: |
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| 7 | * 1. Redistributions of source code must retain the above copyright |
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| 8 | * notice, this list of conditions and the following disclaimer. |
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| 9 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer in the |
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| 11 | * documentation and/or other materials provided with the distribution. |
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| 12 | * |
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| 13 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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| 14 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 16 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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| 17 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 18 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 19 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 20 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 21 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 22 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 23 | * SUCH DAMAGE. |
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| 24 | */ |
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| 25 | |
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| 26 | /* |
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| 27 | * Handle the networking directives found in rc.conf. |
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| 28 | * - ifconfig_* |
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| 29 | * - cloned_interfaces |
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| 30 | * - autobridge_interfaces |
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| 31 | * - autobridge_bridge* |
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| 32 | * - defaultrouter |
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| 33 | */ |
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| 34 | |
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[9c570da] | 35 | #define _GNU_SOURCE |
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| 36 | |
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[0237319] | 37 | #include <sys/param.h> |
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[3d1e767] | 38 | #include <sys/types.h> |
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[f5c6651] | 39 | #include <sys/queue.h> |
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| 40 | #include <sys/kernel.h> |
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| 41 | #include <sysexits.h> |
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| 42 | |
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[55c564a] | 43 | #include <ifaddrs.h> |
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[9c570da] | 44 | #include <arpa/inet.h> |
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[573b1982] | 45 | #include <net/if.h> |
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| 46 | #include <net/route.h> |
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| 47 | #include <netinet/in.h> |
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| 48 | #include <sys/socket.h> |
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[55c564a] | 49 | |
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[f5c6651] | 50 | #include <errno.h> |
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| 51 | #include <stddef.h> |
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| 52 | #include <stdio.h> |
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| 53 | #include <stdlib.h> |
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[9c570da] | 54 | #include <string.h> |
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[f5c6651] | 55 | #include <unistd.h> |
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| 56 | |
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| 57 | #include <rtems.h> |
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| 58 | #include <rtems/chain.h> |
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| 59 | |
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| 60 | #include <machine/rtems-bsd-commands.h> |
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[55c564a] | 61 | #include <machine/rtems-bsd-rc-conf-services.h> |
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| 62 | |
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[573b1982] | 63 | #include <rtems/rtems-routes.h> |
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[8bd38d6] | 64 | #include <rtems/dhcpcd.h> |
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[573b1982] | 65 | |
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[55c564a] | 66 | /* |
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| 67 | * Default defaultroute_delay is 30seconds. |
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| 68 | */ |
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| 69 | static int defaultroute_delay_secs = 30; |
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| 70 | |
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| 71 | /* |
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| 72 | * Show a result. |
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| 73 | */ |
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| 74 | static void |
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| 75 | show_result(const char* label, int r) |
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| 76 | { |
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| 77 | if (r < 0) |
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| 78 | fprintf(stderr, "error: %s: %s\n", label, strerror(errno)); |
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| 79 | } |
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[f5c6651] | 80 | |
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| 81 | /* |
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| 82 | * cloned_interfaces |
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| 83 | * |
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| 84 | * eg cloned_interfaces="vlan0 bridge0 tap1 tap2" |
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| 85 | * |
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| 86 | * See 'man rc.conf(5)' on FreeBSD. |
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| 87 | */ |
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| 88 | static int |
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[55c564a] | 89 | cloned_interfaces(rtems_bsd_rc_conf* rc_conf, rtems_bsd_rc_conf_argc_argv* aa) |
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[f5c6651] | 90 | { |
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| 91 | int arg; |
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[55c564a] | 92 | int r = 0; |
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| 93 | |
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| 94 | r = rtems_bsd_rc_conf_find(rc_conf, "cloned_interfaces", aa); |
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| 95 | if (r < 0) { |
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| 96 | if (errno == ENOENT) |
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| 97 | r = 0; |
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| 98 | return r; |
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| 99 | } |
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| 100 | |
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| 101 | for (arg = 1; arg < aa->argc; ++arg) { |
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[f5c6651] | 102 | const char* ifconfg_args[] = { |
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[55c564a] | 103 | "ifconfig", aa->argv[arg], "create", NULL |
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[f5c6651] | 104 | }; |
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| 105 | rtems_bsd_rc_conf_print_cmd(rc_conf, "cloning_interfaces", 3, ifconfg_args); |
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[55c564a] | 106 | rtems_bsd_command_ifconfig(3, (char**) ifconfg_args); |
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[f5c6651] | 107 | } |
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[55c564a] | 108 | |
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[f5c6651] | 109 | return 0; |
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| 110 | } |
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| 111 | |
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| 112 | /* |
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| 113 | * create_args_'interface' |
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| 114 | * |
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| 115 | * eg create_args_myvlan="vlan 102" |
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| 116 | * |
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| 117 | * See 'man rc.conf(5)' on FreeBSD. |
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| 118 | */ |
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| 119 | typedef struct { |
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| 120 | rtems_chain_node node; |
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| 121 | const char* label; |
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| 122 | int argc; |
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| 123 | const char** argv; |
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| 124 | } create_args_item; |
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| 125 | |
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| 126 | static RTEMS_CHAIN_DEFINE_EMPTY(create_args_items); |
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| 127 | |
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| 128 | static int |
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[55c564a] | 129 | load_create_args(rtems_bsd_rc_conf* rc_conf, rtems_bsd_rc_conf_argc_argv* aa) |
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[f5c6651] | 130 | { |
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[55c564a] | 131 | int r = 0; |
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| 132 | |
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| 133 | r = rtems_bsd_rc_conf_find(rc_conf, "create_args_.*", aa); |
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| 134 | |
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| 135 | while (r == 0) { |
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| 136 | rtems_chain_node* node; |
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| 137 | const char* label; |
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| 138 | create_args_item* item; |
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| 139 | int arg; |
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| 140 | |
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| 141 | rtems_bsd_rc_conf_print_cmd(rc_conf, "create_args_", aa->argc, aa->argv); |
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| 142 | |
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| 143 | label = aa->argv[0] + strlen("create_args_"); |
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| 144 | |
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| 145 | node = rtems_chain_first(&create_args_items); |
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| 146 | |
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| 147 | while (!rtems_chain_is_tail(&create_args_items, node)) { |
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| 148 | item = (create_args_item*) node; |
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| 149 | if (strcasecmp(item->label, label) == 0) { |
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| 150 | fprintf(stderr, "error: %s:%d: duplicate create args entry: %s\n", |
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| 151 | rtems_bsd_rc_conf_name(rc_conf), |
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| 152 | rtems_bsd_rc_conf_line(rc_conf), |
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| 153 | aa->argv[0]); |
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| 154 | errno = EEXIST; |
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| 155 | return -1; |
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| 156 | } |
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| 157 | node = rtems_chain_next(node); |
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| 158 | } |
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| 159 | |
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| 160 | item = calloc(1, sizeof(*item)); |
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| 161 | if (item == NULL) { |
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| 162 | errno = ENOMEM; |
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| 163 | fprintf(stderr, "error: %s:%d: %s\n", |
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[f5c6651] | 164 | rtems_bsd_rc_conf_name(rc_conf), |
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| 165 | rtems_bsd_rc_conf_line(rc_conf), |
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[55c564a] | 166 | strerror(errno)); |
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[f5c6651] | 167 | return -1; |
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| 168 | } |
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| 169 | |
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[55c564a] | 170 | item->argc = aa->argc; |
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[f5c6651] | 171 | |
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[55c564a] | 172 | item->label = strdup(label); |
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| 173 | if (item->label == NULL) { |
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| 174 | free(item); |
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| 175 | errno = ENOMEM; |
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| 176 | fprintf(stderr, "error: %s:%d: %s\n", |
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| 177 | rtems_bsd_rc_conf_name(rc_conf), |
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| 178 | rtems_bsd_rc_conf_line(rc_conf), |
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| 179 | strerror(errno)); |
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| 180 | return -1; |
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| 181 | } |
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[f5c6651] | 182 | |
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[55c564a] | 183 | item->argv = calloc(aa->argc + 1, sizeof(char*)); |
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| 184 | if (item->argv == NULL) { |
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[f5c6651] | 185 | free((void*) item->label); |
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| 186 | free(item); |
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| 187 | errno = ENOMEM; |
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| 188 | fprintf(stderr, "error: %s:%d: %s\n", |
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| 189 | rtems_bsd_rc_conf_name(rc_conf), |
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| 190 | rtems_bsd_rc_conf_line(rc_conf), |
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| 191 | strerror(errno)); |
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| 192 | return -1; |
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| 193 | } |
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[55c564a] | 194 | |
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| 195 | for (arg = 0; arg < aa->argc; ++arg) { |
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| 196 | item->argv[arg] = strdup(aa->argv[0]); |
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| 197 | if (item->argv[arg] == NULL) { |
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| 198 | int a; |
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| 199 | for (a = 0; a < arg; ++a) |
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| 200 | free((void*) item->argv[a]); |
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| 201 | free(item->argv); |
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| 202 | free((void*) item->label); |
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| 203 | free(item); |
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| 204 | errno = ENOMEM; |
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| 205 | fprintf(stderr, "error: %s:%d: %s\n", |
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| 206 | rtems_bsd_rc_conf_name(rc_conf), |
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| 207 | rtems_bsd_rc_conf_line(rc_conf), |
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| 208 | strerror(errno)); |
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| 209 | return -1; |
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| 210 | } |
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| 211 | } |
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| 212 | |
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| 213 | rtems_chain_append(&create_args_items, &item->node); |
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| 214 | |
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| 215 | r = rtems_bsd_rc_conf_find_next(rc_conf, aa); |
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[f5c6651] | 216 | } |
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| 217 | |
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[55c564a] | 218 | /* |
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| 219 | * ignore not found. |
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| 220 | */ |
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| 221 | if (r < 0 && errno == ENOENT) |
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| 222 | r = 0; |
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[f5c6651] | 223 | |
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| 224 | return 0; |
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| 225 | } |
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| 226 | |
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[4437573] | 227 | /* |
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| 228 | * ifconfig_show |
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| 229 | |
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| 230 | */ |
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| 231 | static int |
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| 232 | ifconfig_show(const char* ifname) |
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| 233 | { |
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| 234 | const char const* ifconfig_show[] = { "ifconfig", ifname, NULL }; |
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| 235 | return rtems_bsd_command_ifconfig(2, (char**) ifconfig_show); |
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| 236 | } |
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| 237 | |
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[f5c6651] | 238 | /* |
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| 239 | * ifconfig_'interface' |
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| 240 | * |
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| 241 | * eg ifconfig_em0="inet 10.10.5.33 netmask 255.255.255.0" |
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[4437573] | 242 | * ifconfig_em0_alias0="ether 10:22:33:44:55:66" |
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| 243 | * ifconfig_em0_alias1="inet 10.1.1.111 netmask 0xffffffff" |
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[f5c6651] | 244 | * |
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| 245 | * See 'man rc.conf(5)' on FreeBSD. |
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| 246 | */ |
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| 247 | static int |
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| 248 | ifconfig_(rtems_bsd_rc_conf* rc_conf, |
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[55c564a] | 249 | const char* ifname, |
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[f5c6651] | 250 | int argc, |
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[4437573] | 251 | const char** argv, |
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| 252 | int opt_argc, |
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| 253 | const char** opt_argv, |
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| 254 | bool add_up) |
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[f5c6651] | 255 | { |
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[55c564a] | 256 | const char** args; |
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| 257 | int arg; |
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[ab7739a] | 258 | int ifconfig_argc = 0; |
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[55c564a] | 259 | int r; |
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[f5c6651] | 260 | |
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| 261 | for (arg = 1; arg < argc; ++arg) { |
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| 262 | if (strcasecmp(argv[arg], "NOAUTO") == 0) |
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| 263 | return 0; |
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| 264 | } |
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| 265 | |
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[4437573] | 266 | args = calloc(argc + opt_argc + 3, sizeof(char*)); |
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[f5c6651] | 267 | if (args == NULL) { |
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| 268 | errno = ENOMEM; |
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| 269 | return -1; |
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| 270 | } |
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| 271 | |
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[ab7739a] | 272 | args[ifconfig_argc++] = "ifconfig"; |
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| 273 | args[ifconfig_argc++] = ifname; |
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[f5c6651] | 274 | |
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[ab7739a] | 275 | for (arg = 1; arg < argc; ++arg) { |
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| 276 | if (strcasecmp("DHCP", argv[arg]) == 0 || |
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[4437573] | 277 | strcasecmp("SYNCDHCP", argv[arg]) == 0 || |
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| 278 | strcasecmp("UP", argv[arg]) == 0) { |
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[ab7739a] | 279 | add_up = false; |
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| 280 | } |
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| 281 | else { |
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| 282 | args[ifconfig_argc++] = argv[arg]; |
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| 283 | } |
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| 284 | } |
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[f5c6651] | 285 | |
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[4437573] | 286 | if (opt_argv != NULL) { |
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| 287 | for (arg = 0; arg < opt_argc; ++arg) { |
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| 288 | args[ifconfig_argc++] = opt_argv[arg]; |
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| 289 | } |
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| 290 | } |
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| 291 | |
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[ab7739a] | 292 | if (add_up) |
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| 293 | args[ifconfig_argc++] = "up"; |
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[f5c6651] | 294 | |
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[ab7739a] | 295 | rtems_bsd_rc_conf_print_cmd(rc_conf, "ifconfig", ifconfig_argc, args); |
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[f5c6651] | 296 | |
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[ab7739a] | 297 | r = rtems_bsd_command_ifconfig(ifconfig_argc, (char**) args); |
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[f5c6651] | 298 | |
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| 299 | free(args); |
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| 300 | |
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| 301 | if (r != EX_OK) { |
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| 302 | errno = ECANCELED; |
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| 303 | return -1; |
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| 304 | } |
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| 305 | |
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[55c564a] | 306 | return r; |
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[f5c6651] | 307 | } |
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| 308 | |
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| 309 | /* |
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| 310 | * hostname |
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| 311 | * |
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| 312 | * eg hostname="myhost" |
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| 313 | * |
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| 314 | * See 'man rc.conf(5)' on FreeBSD. |
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| 315 | */ |
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| 316 | static int |
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[55c564a] | 317 | hostname(rtems_bsd_rc_conf* rc_conf, rtems_bsd_rc_conf_argc_argv* aa) |
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[f5c6651] | 318 | { |
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[55c564a] | 319 | const char** argv; |
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| 320 | int r; |
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| 321 | const char const* default_argv[] = { "hostname", "Amnesiac", NULL }; |
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| 322 | |
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| 323 | r = rtems_bsd_rc_conf_find(rc_conf, "hostname", aa); |
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| 324 | if (r < 0 && errno != ENOENT) |
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[f5c6651] | 325 | return -1; |
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[55c564a] | 326 | |
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| 327 | if (r < 0 || (r == 0 && aa->argc != 2)) { |
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| 328 | argv = default_argv; |
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| 329 | } |
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| 330 | else { |
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| 331 | argv = aa->argv; |
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[f5c6651] | 332 | } |
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| 333 | |
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[55c564a] | 334 | fprintf(stdout, "Setting hostname: %s.\n", argv[1]); |
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[f5c6651] | 335 | |
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| 336 | return sethostname(argv[1], strlen(argv[1])); |
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| 337 | } |
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| 338 | |
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| 339 | /* |
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| 340 | * defaultrouter |
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| 341 | * |
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| 342 | * eg defaultrouter="1.2.3.4" |
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| 343 | * |
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| 344 | * See 'man rc.conf(5)' on FreeBSD. |
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| 345 | */ |
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| 346 | static int |
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[53914f2] | 347 | defaultrouter(rtems_bsd_rc_conf* rc_conf, rtems_bsd_rc_conf_argc_argv* aa, bool dhcp) |
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[f5c6651] | 348 | { |
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[55c564a] | 349 | int r; |
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| 350 | |
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[53914f2] | 351 | if (dhcp) { |
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| 352 | char* end = NULL; |
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| 353 | int delay = 30; |
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| 354 | |
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| 355 | /* |
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| 356 | * See if a delay is specified else use default to 30 seconds. Wait for a |
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| 357 | * valid default route. |
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| 358 | */ |
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| 359 | r = rtems_bsd_rc_conf_find(rc_conf, "defaultroute_delay", aa); |
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| 360 | if (r == 0 && aa->argc == 2) { |
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| 361 | delay = (int) strtol(aa->argv[1], &end, 10); |
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| 362 | if (*end != '\0') { |
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| 363 | fprintf(stderr, "error: defaultroute_delay: invalid delay value\n"); |
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| 364 | delay = 30; |
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| 365 | } |
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| 366 | } |
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| 367 | |
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| 368 | printf("Waiting %ds for default route interface: ", delay); |
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| 369 | fflush(stdout); |
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| 370 | |
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| 371 | while (delay > 0) { |
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| 372 | struct sockaddr_in sin; |
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| 373 | struct sockaddr* rti_info[RTAX_MAX]; |
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| 374 | |
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| 375 | --delay; |
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| 376 | |
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| 377 | memset(&sin, 0, sizeof(sin)); |
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| 378 | memset(&rti_info[0], 0, sizeof(rti_info)); |
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| 379 | sin.sin_family = AF_INET; |
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| 380 | inet_pton(AF_INET, "0.0.0.0", &sin.sin_addr); |
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| 381 | |
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| 382 | r = rtems_get_route(&sin, rti_info); |
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| 383 | if (r == 0 && rti_info[RTAX_GATEWAY] != NULL) { |
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| 384 | break; |
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| 385 | } |
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| 386 | else if (r < 0 && errno != ESRCH) { |
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| 387 | fprintf(stderr, |
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| 388 | "error: get routes %d: %d %s\n", r, errno, strerror(errno)); |
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| 389 | } |
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| 390 | |
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| 391 | sleep(1); |
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| 392 | } |
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| 393 | |
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| 394 | /* |
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| 395 | * We should print the interface but I cannot see how to get the interface |
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| 396 | * with the default route without a lot of code. |
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| 397 | */ |
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| 398 | if (delay > 0) { |
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| 399 | printf("found.\n"); |
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| 400 | return 0; |
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| 401 | } |
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| 402 | |
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| 403 | printf("\nerror: no default route found, try defaultrouter\n"); |
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| 404 | } |
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| 405 | |
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[55c564a] | 406 | r = rtems_bsd_rc_conf_find(rc_conf, "defaultrouter", aa); |
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| 407 | if (r < 0 && errno != ENOENT) |
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| 408 | return -1; |
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| 409 | |
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| 410 | if (r == 0) { |
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| 411 | if (aa->argc > 2) { |
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| 412 | errno = EINVAL; |
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| 413 | return -1; |
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| 414 | } |
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| 415 | |
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| 416 | if (strcasecmp(aa->argv[1], "NO") != 0) { |
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| 417 | const char* args[] = { "route", "add", "default", aa->argv[1], NULL }; |
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| 418 | |
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| 419 | rtems_bsd_rc_conf_print_cmd(rc_conf, "defaultrouter", 4, args); |
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| 420 | |
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| 421 | r = rtems_bsd_command_route(4, (char**) args); |
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| 422 | if (r != EX_OK) { |
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| 423 | errno = ECANCELED; |
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| 424 | return -1; |
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| 425 | } |
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| 426 | } |
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| 427 | } |
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| 428 | |
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| 429 | return 0; |
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| 430 | } |
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| 431 | |
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| 432 | static int |
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[4437573] | 433 | list_interfaces(const char* msg, struct ifaddrs* ifap) |
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[55c564a] | 434 | { |
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| 435 | struct ifaddrs* ifa; |
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| 436 | |
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| 437 | fprintf(stdout, msg); |
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| 438 | |
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[573b1982] | 439 | /* |
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| 440 | * Always have lo0 first. |
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| 441 | */ |
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| 442 | |
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[55c564a] | 443 | for (ifa = ifap; ifa; ifa = ifa->ifa_next) { |
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| 444 | if (strcasecmp("lo0", ifa->ifa_name) == 0) { |
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| 445 | fprintf(stdout, "%s ", ifa->ifa_name); |
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| 446 | break; |
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[f5c6651] | 447 | } |
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| 448 | } |
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| 449 | |
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[55c564a] | 450 | for (ifa = ifap; ifa; ifa = ifa->ifa_next) { |
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| 451 | if (strcasecmp("lo0", ifa->ifa_name) != 0) { |
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| 452 | fprintf(stdout, "%s ", ifa->ifa_name); |
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| 453 | } |
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| 454 | } |
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| 455 | |
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| 456 | fprintf(stdout, "\b.\n"); |
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| 457 | |
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[f5c6651] | 458 | return 0; |
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| 459 | } |
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| 460 | |
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[4437573] | 461 | static int |
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| 462 | show_interfaces(struct ifaddrs* ifap) |
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| 463 | { |
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| 464 | struct ifaddrs* ifa; |
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| 465 | |
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| 466 | for (ifa = ifap; ifa; ifa = ifa->ifa_next) { |
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| 467 | ifconfig_show(ifa->ifa_name); |
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| 468 | } |
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| 469 | |
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| 470 | return 0; |
---|
| 471 | } |
---|
| 472 | |
---|
[573b1982] | 473 | static int |
---|
| 474 | dhcp_check(rtems_bsd_rc_conf_argc_argv* aa) |
---|
| 475 | { |
---|
[ab7739a] | 476 | int arg; |
---|
| 477 | for (arg = 0; arg < aa->argc; ++arg) { |
---|
| 478 | if (strcasestr(aa->argv[1], "DHCP") != NULL || |
---|
| 479 | strcasestr(aa->argv[1], "SYNCDHCP") != NULL) |
---|
| 480 | return true; |
---|
| 481 | } |
---|
[573b1982] | 482 | return false; |
---|
| 483 | } |
---|
| 484 | |
---|
[55c564a] | 485 | static int |
---|
| 486 | setup_lo0(rtems_bsd_rc_conf* rc_conf, struct ifaddrs* ifap) |
---|
[f5c6651] | 487 | { |
---|
[55c564a] | 488 | struct ifaddrs* ifa; |
---|
[573b1982] | 489 | |
---|
[55c564a] | 490 | for (ifa = ifap; ifa; ifa = ifa->ifa_next) { |
---|
| 491 | if (strcasecmp("lo0", ifa->ifa_name) == 0) { |
---|
| 492 | const char* lo0_argv[] = { |
---|
| 493 | "ifconfig_lo0", "inet", "127.0.0.1", "netmask", "255.0.0.0", NULL |
---|
| 494 | }; |
---|
[4437573] | 495 | show_result("lo0", |
---|
| 496 | ifconfig_(rc_conf, "lo0", |
---|
| 497 | 5, lo0_argv, |
---|
| 498 | 0, NULL, |
---|
| 499 | true)); |
---|
[55c564a] | 500 | return 0; |
---|
| 501 | } |
---|
| 502 | } |
---|
[573b1982] | 503 | |
---|
[55c564a] | 504 | fprintf(stderr, "warning: no loopback interface found\n"); |
---|
[573b1982] | 505 | |
---|
[55c564a] | 506 | return -1; |
---|
| 507 | } |
---|
| 508 | |
---|
| 509 | static int |
---|
| 510 | setup_interfaces(rtems_bsd_rc_conf* rc_conf, |
---|
| 511 | rtems_bsd_rc_conf_argc_argv* aa, |
---|
[573b1982] | 512 | struct ifaddrs* ifap, |
---|
| 513 | bool* dhcp) |
---|
[55c564a] | 514 | { |
---|
| 515 | struct ifaddrs* ifa; |
---|
[573b1982] | 516 | int r; |
---|
| 517 | |
---|
[55c564a] | 518 | for (ifa = ifap; ifa; ifa = ifa->ifa_next) { |
---|
| 519 | if (strcasecmp("lo0", ifa->ifa_name) != 0) { |
---|
| 520 | char iface[64]; |
---|
| 521 | snprintf(iface, sizeof(iface), "ifconfig_%s", ifa->ifa_name); |
---|
| 522 | r = rtems_bsd_rc_conf_find(rc_conf, iface, aa); |
---|
| 523 | if (r == 0) { |
---|
[573b1982] | 524 | if (dhcp_check(aa)) { |
---|
| 525 | *dhcp = true; |
---|
| 526 | } |
---|
[ab7739a] | 527 | /* |
---|
| 528 | * A DHCP ifconfig can have other options we need to set on the |
---|
| 529 | * interface. |
---|
| 530 | */ |
---|
[4437573] | 531 | show_result(iface, ifconfig_(rc_conf, ifa->ifa_name, |
---|
| 532 | aa->argc, aa->argv, |
---|
| 533 | 0, NULL, |
---|
| 534 | true)); |
---|
| 535 | } |
---|
| 536 | snprintf(iface, sizeof(iface), "ifconfig_%s_alias[0-9]+", ifa->ifa_name); |
---|
| 537 | if (r == 0) { |
---|
| 538 | r = rtems_bsd_rc_conf_find(rc_conf, iface, aa); |
---|
| 539 | while (r == 0) { |
---|
| 540 | const char* alias_argv[] = { "alias", NULL }; |
---|
| 541 | show_result(iface, |
---|
| 542 | ifconfig_(rc_conf, ifa->ifa_name, |
---|
| 543 | aa->argc, aa->argv, |
---|
| 544 | 1, alias_argv, |
---|
| 545 | false)); |
---|
| 546 | r = rtems_bsd_rc_conf_find_next(rc_conf, aa); |
---|
| 547 | } |
---|
[55c564a] | 548 | } |
---|
| 549 | } |
---|
| 550 | } |
---|
[573b1982] | 551 | |
---|
[55c564a] | 552 | return 0; |
---|
| 553 | } |
---|
| 554 | |
---|
| 555 | static int |
---|
| 556 | setup_vlans(rtems_bsd_rc_conf* rc_conf, |
---|
| 557 | rtems_bsd_rc_conf_argc_argv* aa, |
---|
[573b1982] | 558 | struct ifaddrs* ifap, |
---|
| 559 | bool* dhcp) |
---|
[55c564a] | 560 | { |
---|
| 561 | rtems_bsd_rc_conf_argc_argv* vaa; |
---|
| 562 | struct ifaddrs* ifa; |
---|
| 563 | |
---|
| 564 | vaa = rtems_bsd_rc_conf_argc_argv_create(); |
---|
| 565 | if (vaa == NULL) |
---|
| 566 | return -1; |
---|
| 567 | |
---|
| 568 | show_result("create_args", load_create_args(rc_conf, aa)); |
---|
| 569 | |
---|
| 570 | for (ifa = ifap; ifa; ifa = ifa->ifa_next) { |
---|
| 571 | if (strcasecmp("lo0", ifa->ifa_name) != 0) { |
---|
| 572 | char expr[128]; |
---|
| 573 | int r; |
---|
| 574 | /* |
---|
| 575 | * Look for vlans_'iface'="101 102 103" |
---|
| 576 | */ |
---|
| 577 | snprintf(expr, sizeof(expr), "vlans_%s", ifa->ifa_name); |
---|
| 578 | r = rtems_bsd_rc_conf_find(rc_conf, expr, aa); |
---|
| 579 | if (r == 0) { |
---|
| 580 | int arg; |
---|
| 581 | for (arg = 1; arg < aa->argc; ++arg) { |
---|
| 582 | char vlan_name[64]; |
---|
| 583 | const char* vlan_create[] = { |
---|
| 584 | "ifconfig", vlan_name, "create", NULL |
---|
| 585 | }; |
---|
| 586 | /* |
---|
| 587 | * Create the VLAN name as 'iface'.'vlan'. |
---|
| 588 | */ |
---|
| 589 | snprintf(vlan_name, sizeof(vlan_name), |
---|
| 590 | "%s.%s", ifa->ifa_name, aa->argv[arg]); |
---|
| 591 | rtems_bsd_rc_conf_print_cmd(rc_conf, "vlan", 3, vlan_create); |
---|
| 592 | r = rtems_bsd_command_ifconfig(3, (char**) vlan_create); |
---|
| 593 | if (r == 0) { |
---|
| 594 | /* |
---|
| 595 | * Look for ifconfig_'iface'_'vlan'="..." |
---|
| 596 | */ |
---|
| 597 | snprintf(expr, sizeof(expr), |
---|
| 598 | "ifconfig_%s_%s", ifa->ifa_name, aa->argv[arg]); |
---|
| 599 | r = rtems_bsd_rc_conf_find(rc_conf, expr, vaa); |
---|
| 600 | if (r == 0) { |
---|
[573b1982] | 601 | if (dhcp_check(vaa)) { |
---|
| 602 | *dhcp = true; |
---|
| 603 | } |
---|
| 604 | else { |
---|
[4437573] | 605 | show_result(vlan_name, |
---|
| 606 | ifconfig_(rc_conf, vlan_name, |
---|
| 607 | vaa->argc, vaa->argv, |
---|
| 608 | 0, NULL, |
---|
| 609 | true)); |
---|
[573b1982] | 610 | } |
---|
[55c564a] | 611 | } |
---|
| 612 | } |
---|
| 613 | } |
---|
| 614 | } |
---|
| 615 | } |
---|
| 616 | } |
---|
| 617 | |
---|
| 618 | rtems_bsd_rc_conf_argc_argv_destroy(vaa); |
---|
| 619 | |
---|
| 620 | return 0; |
---|
| 621 | } |
---|
| 622 | |
---|
[573b1982] | 623 | /* |
---|
| 624 | * The rc_conf struct cannot be passed to a thread as a pointer. It can only be |
---|
[dc5b267] | 625 | * used in the rc.conf worker thread. As a result the values needed to print a |
---|
| 626 | * verbose message to aid debugging need to have local copies made and passed |
---|
| 627 | * to the dhcpcd worker. The dhcpcd worker should run for ever. Clean up the |
---|
| 628 | * memory if it exits. |
---|
[573b1982] | 629 | */ |
---|
| 630 | typedef struct dhcpcd_data { |
---|
[8bd38d6] | 631 | rtems_dhcpcd_config config; |
---|
[573b1982] | 632 | rtems_bsd_rc_conf_argc_argv* argc_argv; |
---|
| 633 | bool verbose; |
---|
| 634 | const char* name; |
---|
| 635 | } dhcpcd_data; |
---|
| 636 | |
---|
| 637 | static void |
---|
[8bd38d6] | 638 | dhcpcd_prepare(const rtems_dhcpcd_config *config, int argc, char **argv) |
---|
[573b1982] | 639 | { |
---|
[8bd38d6] | 640 | const dhcpcd_data* dd = (const dhcpcd_data*) config; |
---|
[573b1982] | 641 | |
---|
| 642 | if (dd->verbose) { |
---|
[8bd38d6] | 643 | int r; |
---|
| 644 | |
---|
[573b1982] | 645 | fprintf(stdout, "rc.conf: %s: dhcpcd ", dd->name); |
---|
| 646 | for (r = 1; r < argc; ++r) |
---|
| 647 | fprintf(stdout, "%s ", argv[r]); |
---|
| 648 | fprintf(stdout, "\n"); |
---|
| 649 | } |
---|
[8bd38d6] | 650 | } |
---|
[573b1982] | 651 | |
---|
[8bd38d6] | 652 | static void |
---|
| 653 | dhcpcd_destroy(const rtems_dhcpcd_config *config, int exit_code) |
---|
| 654 | { |
---|
| 655 | dhcpcd_data* dd = (dhcpcd_data*) config; |
---|
| 656 | |
---|
| 657 | if (exit_code != EX_OK) |
---|
[573b1982] | 658 | fprintf(stderr, "error: dhcpcd: stopped\n"); |
---|
| 659 | |
---|
| 660 | free(dd->name); |
---|
| 661 | rtems_bsd_rc_conf_argc_argv_destroy(dd->argc_argv); |
---|
| 662 | free(dd); |
---|
| 663 | } |
---|
| 664 | |
---|
| 665 | static int |
---|
| 666 | run_dhcp(rtems_bsd_rc_conf* rc_conf, rtems_bsd_rc_conf_argc_argv* aa) |
---|
| 667 | { |
---|
| 668 | dhcpcd_data* dd; |
---|
| 669 | rtems_status_code sc; |
---|
[8bd38d6] | 670 | rtems_task_priority priority = 0; |
---|
[573b1982] | 671 | char* end = NULL; |
---|
| 672 | int r; |
---|
| 673 | |
---|
| 674 | /* |
---|
| 675 | * These are passed to the worker and cleaned up there if it ever exits. Do |
---|
| 676 | * not destroy here unless an error before the thread runs. |
---|
| 677 | */ |
---|
| 678 | dd = calloc(1, sizeof(*dd)); |
---|
| 679 | if (dd == NULL) { |
---|
| 680 | fprintf(stderr, "error: dhcpcd data: no memory\n"); |
---|
| 681 | errno = ENOMEM; |
---|
| 682 | return -1; |
---|
| 683 | } |
---|
| 684 | |
---|
| 685 | dd->name = strdup(rtems_bsd_rc_conf_name(rc_conf)); |
---|
| 686 | if (dd == NULL) { |
---|
| 687 | free(dd); |
---|
| 688 | fprintf(stderr, "error: dhcpcd data: no memory\n"); |
---|
| 689 | errno = ENOMEM; |
---|
| 690 | return -1; |
---|
| 691 | } |
---|
| 692 | |
---|
| 693 | dd->argc_argv = rtems_bsd_rc_conf_argc_argv_create(); |
---|
| 694 | if (dd->argc_argv == NULL) { |
---|
| 695 | free(dd->name); |
---|
| 696 | free(dd); |
---|
| 697 | errno = ENOMEM; |
---|
| 698 | return -1; |
---|
| 699 | } |
---|
| 700 | |
---|
| 701 | dd->verbose = rtems_bsd_rc_conf_verbose(rc_conf); |
---|
| 702 | |
---|
| 703 | r = rtems_bsd_rc_conf_find(rc_conf, "dhcpcd_priority", dd->argc_argv); |
---|
| 704 | if (r == 0) { |
---|
| 705 | if (dd->argc_argv->argc == 2) { |
---|
| 706 | priority = strtoul(dd->argc_argv->argv[1], &end, 10); |
---|
[8bd38d6] | 707 | if (*end != '\0') |
---|
| 708 | priority = 0; |
---|
[573b1982] | 709 | } |
---|
| 710 | } |
---|
[8bd38d6] | 711 | dd->config.priority = priority; |
---|
[573b1982] | 712 | |
---|
| 713 | rtems_bsd_rc_conf_find(rc_conf, "dhcpcd_options", dd->argc_argv); |
---|
| 714 | |
---|
[8bd38d6] | 715 | if (dd->argc_argv->argc > 0) { |
---|
| 716 | dd->config.argc = dd->argc_argv->argc; |
---|
| 717 | dd->config.argv = dd->argc_argv->argv; |
---|
| 718 | } |
---|
| 719 | |
---|
| 720 | dd->config.prepare = dhcpcd_prepare; |
---|
| 721 | dd->config.destroy = dhcpcd_destroy; |
---|
| 722 | |
---|
| 723 | sc = rtems_dhcpcd_start(&dd->config); |
---|
[573b1982] | 724 | if (sc != RTEMS_SUCCESSFUL) { |
---|
| 725 | fprintf(stderr, |
---|
| 726 | "error: dhcpcd: thread create/start: %s\n", rtems_status_text(sc)); |
---|
| 727 | rtems_bsd_rc_conf_argc_argv_destroy(dd->argc_argv); |
---|
| 728 | free(dd->name); |
---|
| 729 | free(dd); |
---|
| 730 | errno = EIO; |
---|
| 731 | return -1; |
---|
| 732 | } |
---|
| 733 | |
---|
| 734 | /* |
---|
[53914f2] | 735 | * Let it run before moving on. |
---|
[573b1982] | 736 | */ |
---|
[53914f2] | 737 | sleep(1); |
---|
[573b1982] | 738 | |
---|
| 739 | return 0; |
---|
| 740 | } |
---|
| 741 | |
---|
[55c564a] | 742 | static int |
---|
| 743 | interfaces(rtems_bsd_rc_conf* rc_conf, rtems_bsd_rc_conf_argc_argv* aa) |
---|
| 744 | { |
---|
| 745 | struct ifaddrs* ifap; |
---|
[573b1982] | 746 | bool dhcp = false; |
---|
[55c564a] | 747 | |
---|
| 748 | if (getifaddrs(&ifap) != 0) { |
---|
| 749 | fprintf(stderr, "error: interfaces: getifaddrs: %s\n", strerror(errno)); |
---|
| 750 | return -1; |
---|
| 751 | } |
---|
| 752 | |
---|
[4437573] | 753 | list_interfaces("Starting network: ", ifap); |
---|
[55c564a] | 754 | show_result("cloned_interfaces", cloned_interfaces(rc_conf, aa)); |
---|
| 755 | show_result("lo0", setup_lo0(rc_conf, ifap)); |
---|
[573b1982] | 756 | show_result("ifaces", setup_interfaces(rc_conf, aa, ifap, &dhcp)); |
---|
| 757 | show_result("vlans", setup_vlans(rc_conf, aa, ifap, &dhcp)); |
---|
[4437573] | 758 | show_interfaces(ifap); |
---|
[53914f2] | 759 | |
---|
[573b1982] | 760 | if (dhcp) |
---|
| 761 | show_result("dhcp", run_dhcp(rc_conf, aa)); |
---|
[53914f2] | 762 | show_result("defaultrouter", defaultrouter(rc_conf, aa, dhcp)); |
---|
[55c564a] | 763 | |
---|
| 764 | free(ifap); |
---|
| 765 | |
---|
| 766 | return 0; |
---|
| 767 | } |
---|
| 768 | |
---|
| 769 | static int |
---|
| 770 | network_service(rtems_bsd_rc_conf* rc_conf) |
---|
| 771 | { |
---|
| 772 | rtems_bsd_rc_conf_argc_argv* aa; |
---|
| 773 | int r; |
---|
| 774 | |
---|
| 775 | aa = rtems_bsd_rc_conf_argc_argv_create(); |
---|
| 776 | if (aa == NULL) |
---|
| 777 | return -1; |
---|
| 778 | |
---|
[145a821] | 779 | show_result("hostname", hostname(rc_conf, aa)); |
---|
[55c564a] | 780 | |
---|
| 781 | r = interfaces(rc_conf, aa); |
---|
| 782 | if (r < 0) { |
---|
| 783 | rtems_bsd_rc_conf_argc_argv_destroy(aa); |
---|
| 784 | return -1; |
---|
| 785 | } |
---|
| 786 | |
---|
| 787 | rtems_bsd_rc_conf_argc_argv_destroy(aa); |
---|
| 788 | |
---|
| 789 | return 0; |
---|
[f5c6651] | 790 | } |
---|
| 791 | |
---|
| 792 | void |
---|
| 793 | rc_conf_net_init(void* arg) |
---|
| 794 | { |
---|
[55c564a] | 795 | int r; |
---|
| 796 | r = rtems_bsd_rc_conf_service_add("network", |
---|
| 797 | "after:first;", |
---|
| 798 | network_service); |
---|
| 799 | if (r < 0) |
---|
[573b1982] | 800 | fprintf(stderr, |
---|
| 801 | "error: network service add failed: %s\n", strerror(errno)); |
---|
[f5c6651] | 802 | } |
---|