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