Mercurial > ecos
annotate packages/net/common/current/src/bootp_support.c @ 3125:24461b5331ea
Fix compiler warning by removing 'netmask' variable which is set but
then never used. [ Bugzilla 1001516 ]
| author | grante |
|---|---|
| date | Tue, 13 Mar 2012 14:46:13 +0000 |
| parents | 9306ff8edcbf |
| children |
| rev | line source |
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1 //========================================================================== |
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2 // |
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3 // lib/bootp_support.c |
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4 // |
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5 // Minimal BOOTP functions |
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6 // |
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7 //========================================================================== |
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8 // ####ECOSGPLCOPYRIGHTBEGIN#### |
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9 // ------------------------------------------- |
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10 // This file is part of eCos, the Embedded Configurable Operating System. |
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. |
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12 // |
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13 // eCos is free software; you can redistribute it and/or modify it under |
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14 // the terms of the GNU General Public License as published by the Free |
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15 // Software Foundation; either version 2 or (at your option) any later |
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16 // version. |
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17 // |
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18 // eCos is distributed in the hope that it will be useful, but WITHOUT |
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19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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21 // for more details. |
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22 // |
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23 // You should have received a copy of the GNU General Public License |
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24 // along with eCos; if not, write to the Free Software Foundation, Inc., |
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25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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26 // |
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27 // As a special exception, if other files instantiate templates or use |
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28 // macros or inline functions from this file, or you compile this file |
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29 // and link it with other works to produce a work based on this file, |
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30 // this file does not by itself cause the resulting work to be covered by |
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31 // the GNU General Public License. However the source code for this file |
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32 // must still be made available in accordance with section (3) of the GNU |
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33 // General Public License v2. |
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34 // |
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35 // This exception does not invalidate any other reasons why a work based |
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36 // on this file might be covered by the GNU General Public License. |
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37 // ------------------------------------------- |
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38 // ####ECOSGPLCOPYRIGHTEND#### |
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39 //========================================================================== |
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40 //#####DESCRIPTIONBEGIN#### |
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41 // |
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42 // Author(s): gthomas |
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43 // Contributors: gthomas |
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44 // Date: 2000-01-10 |
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45 // Purpose: |
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46 // Description: |
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47 // |
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48 // |
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49 //####DESCRIPTIONEND#### |
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50 // |
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51 //========================================================================== |
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52 |
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53 // BOOTP support (and a little DHCP support also) |
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54 |
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55 #include <pkgconf/system.h> |
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56 #include <pkgconf/net.h> |
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57 #include <pkgconf/isoinfra.h> |
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58 |
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59 #include <network.h> |
| 235 | 60 #include <errno.h> |
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61 #ifdef CYGPKG_NET_FREEBSD_STACK // New layout |
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62 #include <net/if_var.h> |
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63 #include <netinet/in_var.h> |
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64 #include <netinet6/nd6.h> |
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65 #endif |
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66 |
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67 #ifdef CYGINT_ISO_DNS |
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68 #include <netdb.h> |
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69 #endif |
| 1322 | 70 #ifdef CYGPKG_NET_SNTP |
| 71 #include <cyg/sntp/sntp.h> | |
| 72 #endif | |
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73 |
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74 #ifndef CYGPKG_LIBC_STDIO |
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75 #define perror(s) diag_printf(#s ": %s\n", strerror(errno)) |
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76 #endif |
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77 |
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78 // This function sets up the interface it the simplest configuration. |
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79 // Just enough to broadcast a BOOTP request and get a response. |
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80 // It returns 'true' if a response was obtained. |
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81 cyg_bool_t |
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82 do_bootp(const char *intf, struct bootp *recv) |
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83 { |
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84 struct sockaddr_in *addrp; |
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85 struct ifreq ifr; |
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86 struct sockaddr_in cli_addr, serv_addr, bootp_server_addr; |
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87 struct ecos_rtentry route; |
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88 int s=-1; |
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89 socklen_t addrlen; |
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90 int one = 1; |
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91 struct bootp bootp_xmit; |
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92 unsigned char mincookie[] = {99,130,83,99,255} ; |
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93 struct timeval tv; |
| 1581 | 94 cyg_bool_t retcode = false; |
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95 |
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96 // Ensure clean slate |
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97 cyg_route_reinit(); // Force any existing routes to be forgotten |
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98 |
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99 s = socket(AF_INET, SOCK_DGRAM, 0); |
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100 if (s < 0) { |
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101 perror("socket"); |
| 1581 | 102 goto out; |
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103 } |
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104 |
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105 if (setsockopt(s, SOL_SOCKET, SO_BROADCAST, &one, sizeof(one))) { |
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106 perror("setsockopt"); |
| 1581 | 107 goto out; |
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108 } |
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109 |
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110 addrp = (struct sockaddr_in *) &ifr.ifr_addr; |
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111 memset(addrp, 0, sizeof(*addrp)); |
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112 addrp->sin_family = AF_INET; |
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113 addrp->sin_len = sizeof(*addrp); |
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114 addrp->sin_port = 0; |
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115 addrp->sin_addr.s_addr = INADDR_ANY; |
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116 |
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117 strcpy(ifr.ifr_name, intf); |
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118 if (ioctl(s, SIOCSIFADDR, &ifr)) { |
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119 perror("SIOCSIFADDR"); |
| 1581 | 120 goto out; |
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121 } |
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122 |
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123 if (ioctl(s, SIOCSIFNETMASK, &ifr)) { |
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124 perror("SIOCSIFNETMASK"); |
| 1581 | 125 goto out; |
|
208
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126 } |
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127 |
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128 /* the broadcast address is 255.255.255.255 */ |
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129 memset(&addrp->sin_addr, 255, sizeof(addrp->sin_addr)); |
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130 if (ioctl(s, SIOCSIFBRDADDR, &ifr)) { |
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131 perror("SIOCSIFBRDADDR"); |
| 1581 | 132 goto out; |
|
208
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133 } |
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134 |
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135 ifr.ifr_flags = IFF_UP | IFF_BROADCAST | IFF_RUNNING; |
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136 if (ioctl(s, SIOCSIFFLAGS, &ifr)) { |
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137 perror("SIOCSIFFLAGS"); |
| 1581 | 138 goto out; |
|
208
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139 } |
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140 |
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141 if (ioctl(s, SIOCGIFHWADDR, &ifr) < 0) { |
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142 perror("SIOCGIFHWADDR"); |
| 1581 | 143 goto out; |
|
208
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144 } |
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145 |
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146 // Set up routing |
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147 /* the broadcast address is 255.255.255.255 */ |
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148 memset(&addrp->sin_addr, 255, sizeof(addrp->sin_addr)); |
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149 memset(&route, 0, sizeof(route)); |
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150 memcpy(&route.rt_gateway, addrp, sizeof(*addrp)); |
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151 |
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152 addrp->sin_family = AF_INET; |
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153 addrp->sin_port = 0; |
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154 addrp->sin_addr.s_addr = INADDR_ANY; |
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155 memcpy(&route.rt_dst, addrp, sizeof(*addrp)); |
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156 memcpy(&route.rt_genmask, addrp, sizeof(*addrp)); |
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157 |
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158 route.rt_dev = ifr.ifr_name; |
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159 route.rt_flags = RTF_UP|RTF_GATEWAY; |
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160 route.rt_metric = 0; |
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161 |
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162 if (ioctl(s, SIOCADDRT, &route)) { |
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163 if (errno != EEXIST) { |
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164 perror("SIOCADDRT 3"); |
| 1581 | 165 goto out; |
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208
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166 } |
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167 } |
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168 |
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169 memset((char *) &cli_addr, 0, sizeof(cli_addr)); |
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170 cli_addr.sin_family = AF_INET; |
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171 cli_addr.sin_addr.s_addr = htonl(INADDR_ANY); |
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172 cli_addr.sin_port = htons(IPPORT_BOOTPC); |
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173 |
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174 if(bind(s, (struct sockaddr *) &cli_addr, sizeof(cli_addr)) < 0) { |
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175 perror("bind error"); |
| 1581 | 176 goto out; |
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208
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177 } |
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178 if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one))) { |
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179 perror("setsockopt SO_REUSEADDR"); |
| 1581 | 180 goto out; |
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208
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181 } |
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182 if (setsockopt(s, SOL_SOCKET, SO_REUSEPORT, &one, sizeof(one))) { |
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183 perror("setsockopt SO_REUSEPORT"); |
| 1581 | 184 goto out; |
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208
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185 } |
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186 |
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187 memset((char *) &serv_addr, 0, sizeof(serv_addr)); |
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188 serv_addr.sin_family = AF_INET; |
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189 serv_addr.sin_addr.s_addr = htonl(INADDR_BROADCAST); |
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190 serv_addr.sin_port = htons(IPPORT_BOOTPS); |
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191 |
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192 // Fill in the BOOTP request |
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193 bzero(&bootp_xmit, sizeof(bootp_xmit)); |
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194 if (ioctl(s, SIOCGIFHWADDR, &ifr) < 0) { |
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195 perror("SIOCGIFHWADDR"); |
| 1581 | 196 goto out; |
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208
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197 } |
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198 bootp_xmit.bp_htype = HTYPE_ETHERNET; |
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199 bootp_xmit.bp_hlen = IFHWADDRLEN; |
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200 bcopy(ifr.ifr_hwaddr.sa_data, &bootp_xmit.bp_chaddr, bootp_xmit.bp_hlen); |
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201 |
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202 bootp_xmit.bp_secs = 0; |
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203 bcopy(mincookie, bootp_xmit.bp_vend, sizeof(mincookie)); |
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204 |
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205 bootp_xmit.bp_op = BOOTREQUEST; |
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206 |
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207 if(sendto(s, &bootp_xmit, sizeof(struct bootp), 0, |
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208 (struct sockaddr *)&serv_addr, sizeof(serv_addr)) < 0) { |
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209 perror("sendto error"); |
| 1581 | 210 goto out; |
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208
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211 } |
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212 |
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213 tv.tv_sec = 5; |
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214 tv.tv_usec = 0; |
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215 setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)); |
| 1581 | 216 |
| 217 // Everything passed here is a success. | |
| 218 retcode = true; | |
| 219 | |
|
208
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220 addrlen = sizeof(bootp_server_addr); |
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221 if (recvfrom(s, recv, sizeof(struct bootp), 0, |
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222 (struct sockaddr *)&bootp_server_addr, &addrlen) < 0) { |
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223 // This is an "acceptable" error, it means there is no server for |
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224 // us: do not initialize the interface. |
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225 retcode = false; |
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226 } |
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227 |
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228 // Shut things down regardless of success of rx, otherwise other |
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229 // interfaces cannot be initialised! |
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230 memset(addrp, 0, sizeof(*addrp)); |
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231 addrp->sin_family = AF_INET; |
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232 addrp->sin_len = sizeof(*addrp); |
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233 addrp->sin_port = 0; |
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234 addrp->sin_addr.s_addr = INADDR_ANY; |
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235 |
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236 strcpy(ifr.ifr_name, intf); |
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237 if (ioctl(s, SIOCDIFADDR, &ifr)) { |
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238 perror("SIOCDIFADDR"); |
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239 } |
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240 |
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241 // Shut down interface so it can be reinitialized |
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242 ifr.ifr_flags &= ~(IFF_UP | IFF_RUNNING); |
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243 if (ioctl(s, SIOCSIFFLAGS, &ifr)) { |
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244 perror("SIOCSIFFLAGS"); |
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1583
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245 retcode = false; |
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208
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246 } |
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247 |
| 1581 | 248 out: |
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249 // All done with socket |
| 1581 | 250 if (s != -1) |
| 251 close(s); | |
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208
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252 return retcode; |
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253 } |
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254 |
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255 static char *_bootp_op[] = {"", "REQUEST", "REPLY"}; |
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256 static char *_bootp_hw_type[] = {"", "Ethernet", "Exp Ethernet", "AX25", |
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257 "Pronet", "Chaos", "IEEE802", "Arcnet"}; |
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258 |
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259 static char *_dhcpmsgs[] = {"","DISCOVER", "OFFER", "REQUEST", "DECLINE", |
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260 "ACK", "NAK", "RELEASE" }; |
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261 |
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262 void |
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263 show_bootp(const char *intf, struct bootp *bp) |
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264 { |
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265 int i, len; |
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266 unsigned char *op, optover; |
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267 char *ap = 0; |
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268 unsigned char name[128]; |
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269 struct in_addr addr[32]; |
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270 unsigned int length; |
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271 |
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272 diag_printf("BOOTP[%s] op: %s\n", intf, _bootp_op[bp->bp_op]); |
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273 diag_printf(" htype: %s\n", _bootp_hw_type[bp->bp_htype]); |
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274 diag_printf(" hlen: %d\n", bp->bp_hlen ); |
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275 diag_printf(" hops: %d\n", bp->bp_hops ); |
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276 diag_printf(" xid: 0x%x\n", bp->bp_xid ); |
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277 diag_printf(" secs: %d\n", ntohs(bp->bp_secs) ); |
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278 diag_printf(" flags: 0x%x\n", ntohs(bp->bp_flags) ); |
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279 diag_printf(" hw_addr: "); |
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280 for (i = 0; i < bp->bp_hlen; i++) { |
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281 diag_printf("%02x", bp->bp_chaddr[i]); |
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282 if (i != (bp->bp_hlen-1)) diag_printf(":"); |
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283 } |
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284 diag_printf("\n"); |
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285 diag_printf(" client IP: %s\n", inet_ntoa(bp->bp_ciaddr)); |
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286 diag_printf(" my IP: %s\n", inet_ntoa(bp->bp_yiaddr)); |
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287 diag_printf(" server IP: %s\n", inet_ntoa(bp->bp_siaddr)); |
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288 diag_printf(" gateway IP: %s\n", inet_ntoa(bp->bp_giaddr)); |
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289 |
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290 optover = 0; // See whether sname and file are overridden for options |
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291 length = sizeof(optover); |
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292 (void)get_bootp_option( bp, TAG_DHCP_OPTOVER, &optover, &length ); |
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293 if ( !(1 & optover) && bp->bp_sname[0] ) |
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294 diag_printf(" server: %s\n", bp->bp_sname); |
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295 if ( ! (2 & optover) && bp->bp_file[0] ) |
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296 diag_printf(" file: %s\n", bp->bp_file); |
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297 if (bp->bp_vend[0]) { |
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298 diag_printf(" options:\n"); |
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299 op = &bp->bp_vend[4]; |
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300 while (*op != TAG_END) { |
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301 switch (*op) { |
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302 case TAG_PAD: |
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303 op++; |
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304 continue; |
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305 case TAG_SUBNET_MASK: |
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306 case TAG_GATEWAY: |
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307 case TAG_IP_BROADCAST: |
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308 case TAG_DOMAIN_SERVER: |
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309 ap = (char *)&addr[0]; |
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310 len = *(op+1); |
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311 for (i = 0; i < len; i++) { |
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312 *ap++ = *(op+i+2); |
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313 } |
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314 if (*op == TAG_SUBNET_MASK) ap = " subnet mask"; |
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315 if (*op == TAG_GATEWAY) ap = " gateway"; |
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316 if (*op == TAG_IP_BROADCAST) ap = " IP broadcast"; |
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317 if (*op == TAG_DOMAIN_SERVER) ap = "domain server"; |
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318 diag_printf(" %s: ", ap); |
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319 ap = (char *)&addr[0]; |
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320 while (len > 0) { |
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321 diag_printf("%s", inet_ntoa(*(struct in_addr *)ap)); |
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322 len -= sizeof(struct in_addr); |
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323 ap += sizeof(struct in_addr); |
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324 if (len) diag_printf(", "); |
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325 } |
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326 diag_printf("\n"); |
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327 break; |
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328 case TAG_DOMAIN_NAME: |
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329 case TAG_HOST_NAME: |
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330 for (i = 0; i < *(op+1); i++) { |
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331 name[i] = *(op+i+2); |
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332 } |
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333 name[*(op+1)] = '\0'; |
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334 if (*op == TAG_DOMAIN_NAME) ap = " domain name"; |
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335 if (*op == TAG_HOST_NAME) ap = " host name"; |
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336 diag_printf(" %s: %s\n", ap, name); |
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337 break; |
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338 case TAG_DHCP_MESS_TYPE: |
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339 diag_printf(" DHCP message: %d %s\n", |
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340 op[2], _dhcpmsgs[op[2]] ); |
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341 break; |
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342 case TAG_DHCP_REQ_IP: |
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343 diag_printf(" DHCP requested ip: %d.%d.%d.%d\n", |
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344 op[2], op[3], op[4], op[5] ); |
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345 break; |
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346 case TAG_DHCP_LEASE_TIME : |
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347 case TAG_DHCP_RENEWAL_TIME : |
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348 case TAG_DHCP_REBIND_TIME : |
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349 diag_printf(" DHCP time %d: %d\n", |
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350 *op, ((((((op[2]<<8)+op[3])<<8)+op[4])<<8)+op[5]) ); |
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351 |
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352 break; |
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353 case TAG_DHCP_SERVER_ID : |
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354 diag_printf(" DHCP server id: %d.%d.%d.%d\n", |
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355 op[2], op[3], op[4], op[5] ); |
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356 break; |
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357 |
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358 case TAG_DHCP_OPTOVER : |
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359 case TAG_DHCP_PARM_REQ_LIST: |
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360 case TAG_DHCP_TEXT_MESSAGE : |
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361 case TAG_DHCP_MAX_MSGSZ : |
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362 case TAG_DHCP_CLASSID : |
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363 case TAG_DHCP_CLIENTID : |
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364 diag_printf(" DHCP option: %x/%d.%d:", *op, *op, *(op+1)); |
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365 if ( 1 == op[1] ) |
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366 diag_printf( " %d", op[2] ); |
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367 else if ( 2 == op[1] ) |
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368 diag_printf( " %d", (op[2]<<8)+op[3] ); |
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369 else if ( 4 == op[1] ) |
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370 diag_printf( " %d", ((((((op[2]<<8)+op[3])<<8)+op[4])<<8)+op[5]) ); |
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371 else |
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372 for ( i = 2; i < 2 + op[1]; i++ ) |
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373 diag_printf(" %d",op[i]); |
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374 diag_printf("\n"); |
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375 break; |
| 1322 | 376 case TAG_NTP_SERVER: |
| 377 diag_printf(" NTP servers: "); | |
| 378 for ( i = 0 ; i < op[1]/4 ; i++) { | |
| 379 diag_printf("%d.%d.%d.%d ", | |
| 380 op[1+i*4+1], op[1+i*4+2], | |
| 381 op[1+i*4+3], op[1+i*4+4]); | |
| 382 } | |
| 383 diag_printf("\n"); | |
| 384 break; | |
|
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385 default: |
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386 diag_printf("Unknown option: %x/%d.%d:", *op, *op, *(op+1)); |
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387 for ( i = 2; i < 2 + op[1]; i++ ) |
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388 diag_printf(" %d",op[i]); |
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389 diag_printf("\n"); |
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390 break; |
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391 } |
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392 op += *(op+1)+2; |
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393 } |
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394 } |
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395 } |
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396 |
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397 cyg_bool_t |
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398 get_bootp_option(struct bootp *bp, unsigned char tag, void *opt, |
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399 unsigned int *length) |
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400 { |
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401 unsigned char *val = (unsigned char *)opt; |
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402 int i; |
|
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403 cyg_uint8 optover; |
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404 |
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405 #define SCANTAG( ptr ) CYG_MACRO_START \ |
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406 unsigned int max; \ |
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407 unsigned char *op = (ptr); \ |
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408 while (*op != TAG_END) { \ |
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409 if (*op == tag) { \ |
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410 max=(*(op+1)>*length ? *length : *(op+1)); \ |
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411 for (i = 0; i < max; i++) { \ |
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412 *val++ = *(op+i+2); \ |
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413 } \ |
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414 *length=max; \ |
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415 return true; \ |
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416 } \ |
|
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417 if (*op == TAG_PAD) { \ |
|
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418 op++; \ |
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419 } else { \ |
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420 op += *(op+1)+2; \ |
|
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421 } \ |
|
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422 } \ |
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423 CYG_MACRO_END |
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424 |
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425 SCANTAG( &bp->bp_vend[4] ); |
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426 |
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427 if ( TAG_DHCP_OPTOVER == tag ) // prevent recursion > once |
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428 return false; |
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429 // else, look for that tag to see if there's more... |
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430 optover = 0; |
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431 if ( ! get_bootp_option( bp, TAG_DHCP_OPTOVER, &optover, length) ) |
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432 return false; |
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433 |
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434 if ( 1 & optover ) // then the file field also holds options |
|
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435 SCANTAG( (unsigned char *)&bp->bp_file[0] ); |
|
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436 |
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437 if ( 2 & optover ) // then the sname field also holds options |
|
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438 SCANTAG( (unsigned char *)&bp->bp_sname[0] ); |
|
208
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439 |
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440 return false; |
|
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441 } |
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442 |
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443 // [Re]initialize the network interface with the info passed from BOOTP |
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444 cyg_bool_t |
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445 init_net(const char *intf, struct bootp *bp) |
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446 { |
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447 struct sockaddr_in *addrp; |
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448 struct ifreq ifr; |
| 1581 | 449 int s=-1; |
|
208
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450 int one = 1; |
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451 struct ecos_rtentry route; |
|
3125
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Fix compiler warning by removing 'netmask' variable which is set but
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452 struct in_addr gateway; |
|
208
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453 unsigned int length; |
| 1581 | 454 int retcode = false; |
| 455 | |
|
208
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456 s = socket(AF_INET, SOCK_DGRAM, 0); |
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457 if (s < 0) { |
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458 perror("socket"); |
| 1581 | 459 goto out; |
|
208
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460 } |
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461 |
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462 if (setsockopt(s, SOL_SOCKET, SO_BROADCAST, &one, sizeof(one))) { |
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463 perror("setsockopt"); |
| 1581 | 464 goto out; |
|
208
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465 } |
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466 |
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467 addrp = (struct sockaddr_in *) &ifr.ifr_addr; |
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468 memset(addrp, 0, sizeof(*addrp)); |
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469 addrp->sin_family = AF_INET; |
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470 addrp->sin_len = sizeof(*addrp); |
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471 addrp->sin_port = 0; |
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472 addrp->sin_addr = bp->bp_yiaddr; // The address BOOTP gave us |
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473 |
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474 // Must do this temporarily with default route and netmask so that |
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475 // [sub]netmask can be set. |
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476 strcpy(ifr.ifr_name, intf); |
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477 if (ioctl(s, SIOCSIFADDR, &ifr)) { |
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478 perror("SIOCIFADDR"); |
| 1581 | 479 goto out; |
|
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480 } |
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481 |
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482 length = sizeof(addrp->sin_addr); |
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483 if (get_bootp_option(bp, TAG_SUBNET_MASK, &addrp->sin_addr,&length)) { |
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484 if (ioctl(s, SIOCSIFNETMASK, &ifr)) { |
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485 perror("SIOCSIFNETMASK"); |
| 1581 | 486 goto out; |
|
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487 } |
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488 // Must do this again so that [sub]netmask (and so default route) |
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489 // is taken notice of. |
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490 addrp->sin_addr = bp->bp_yiaddr; // The address BOOTP gave us |
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491 if (ioctl(s, SIOCSIFADDR, &ifr)) { |
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492 perror("SIOCIFADDR 2"); |
| 1581 | 493 goto out; |
|
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494 } |
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495 } |
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496 |
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497 length = sizeof(addrp->sin_addr); |
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498 if (get_bootp_option(bp, TAG_IP_BROADCAST, &addrp->sin_addr,&length)) { |
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499 if (ioctl(s, SIOCSIFBRDADDR, &ifr)) { |
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500 perror("SIOCSIFBRDADDR"); |
| 1581 | 501 goto out; |
|
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502 } |
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503 // Do not re-set the IFADDR after this; doing *that* resets the |
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504 // BRDADDR to the default! |
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505 } |
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506 |
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507 ifr.ifr_flags = IFF_UP | IFF_BROADCAST | IFF_RUNNING; |
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508 if (ioctl(s, SIOCSIFFLAGS, &ifr)) { |
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509 perror("SIOCSIFFLAGS"); |
| 1581 | 510 goto out; |
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511 } |
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512 |
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513 // Set up routing |
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514 length = sizeof(addrp->sin_addr); |
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515 if (get_bootp_option(bp, TAG_GATEWAY, &gateway,&length)) { |
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516 // ...and it's a nonzero address... |
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517 if ( 0 != gateway.s_addr ) { |
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518 memset(&route, 0, sizeof(route)); |
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519 addrp->sin_family = AF_INET; |
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520 addrp->sin_port = 0; |
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521 addrp->sin_len = sizeof(*addrp); |
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522 addrp->sin_addr.s_addr = 0; // Use 0,0,GATEWAY for the default route |
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523 memcpy(&route.rt_dst, addrp, sizeof(*addrp)); |
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524 addrp->sin_addr.s_addr = 0; |
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525 memcpy(&route.rt_genmask, addrp, sizeof(*addrp)); |
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526 addrp->sin_addr = gateway; |
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527 memcpy(&route.rt_gateway, addrp, sizeof(*addrp)); |
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528 |
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529 route.rt_dev = ifr.ifr_name; |
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530 route.rt_flags = RTF_UP|RTF_GATEWAY; |
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531 route.rt_metric = 0; |
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532 |
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533 if (ioctl(s, SIOCADDRT, &route)) { |
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534 diag_printf("Route - dst: %s", |
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535 inet_ntoa(((struct sockaddr_in *)&route.rt_dst)->sin_addr)); |
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536 diag_printf(", mask: %s", |
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537 inet_ntoa(((struct sockaddr_in *)&route.rt_genmask)->sin_addr)); |
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538 diag_printf(", gateway: %s\n", |
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539 inet_ntoa(((struct sockaddr_in *)&route.rt_gateway)->sin_addr)); |
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540 if (errno != EEXIST) { |
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541 perror("SIOCADDRT 3"); |
| 1581 | 542 goto out; |
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543 } |
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544 } |
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545 } |
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546 } |
| 1581 | 547 retcode = true; |
| 548 | |
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549 #ifdef CYGINT_ISO_DNS |
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550 { |
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551 #define MAX_IP_ADDR_LEN 16 |
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552 char buf[BP_MAX_OPTION_LEN+1]; |
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553 memset(buf,0,sizeof(buf)); |
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554 length = sizeof(buf); |
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555 if (get_bootp_option(bp, TAG_DOMAIN_NAME, buf, &length)) { |
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556 setdomainname(buf, length); |
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557 } |
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558 length = sizeof(buf); |
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559 if (get_bootp_option(bp, TAG_DOMAIN_SERVER, buf, &length)) { |
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560 cyg_dns_res_init((struct in_addr *)buf); |
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561 } |
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562 } |
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563 #endif |
| 1322 | 564 |
| 565 #ifdef CYGNUM_NET_SNTP_UNICAST_MAXDHCP | |
| 566 { | |
| 567 struct in_addr dhcp_addrs[CYGNUM_NET_SNTP_UNICAST_MAXDHCP]; | |
| 568 | |
| 569 /* Removed any previously registered addresses */ | |
| 570 cyg_sntp_set_servers(NULL, 0); | |
| 571 | |
| 572 /* See if we received any NTP servers from DHCP */ | |
| 573 length = sizeof(dhcp_addrs); | |
| 574 if (get_bootp_option(bp, TAG_NTP_SERVER, &dhcp_addrs[0], &length)) | |
| 575 { | |
| 576 static struct sockaddr ntp_servers[CYGNUM_NET_SNTP_UNICAST_MAXDHCP]; | |
| 577 struct servent *service; | |
| 578 cyg_uint32 num; | |
| 579 | |
| 580 /* See how many addresses we got. The length should always | |
| 581 * be a multiple of 4, but cut off any extra bytes and | |
| 582 * use what we got. | |
| 583 */ | |
| 584 length /= sizeof(struct in_addr); | |
| 585 | |
| 586 /* Fill out a sockaddr array for the NTP client */ | |
| 587 service = getservbyname("ntp", "udp"); | |
| 588 CYG_CHECK_DATA_PTR(service, "NTP service not found."); | |
| 589 memset(&ntp_servers[0], 0, sizeof(ntp_servers)); | |
| 590 for (num = 0; num < length; num++) | |
| 591 { | |
| 592 struct sockaddr_in *saddr = (struct sockaddr_in *)&ntp_servers[num]; | |
| 593 | |
| 594 saddr->sin_len = sizeof(*saddr); | |
| 595 saddr->sin_family = AF_INET; | |
| 596 saddr->sin_port = service->s_port; /* Already network-endian */ | |
| 597 saddr->sin_addr = dhcp_addrs[num]; /* Already network-endian */ | |
| 598 } | |
| 599 | |
| 600 /* Configure the client with the array */ | |
| 601 cyg_sntp_set_servers(&ntp_servers[0], num); | |
| 602 } | |
| 603 } | |
| 604 #endif /* CYGNUM_NET_SNTP_UNICAST_MAXDHCP */ | |
| 1581 | 605 out: |
| 606 if (s != -1) | |
| 607 close(s); | |
| 608 return retcode; | |
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609 } |
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610 |
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611 #ifdef INET6 |
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612 extern const struct in6_addr in6mask128; |
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613 cyg_bool_t |
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614 init_net_IPv6(const char *intf, struct bootp *bp, char *prefix) |
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615 { |
| 1581 | 616 int s =-1 ; |
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617 struct in6_aliasreq in6_addr; |
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618 char in6_ip[128]; |
| 1581 | 619 int retcode = false; |
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620 |
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621 // Set up non link-layer address |
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622 s = socket(AF_INET6, SOCK_DGRAM, 0); |
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623 if (s < 0) { |
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624 perror("socket IPv6"); |
| 1581 | 625 goto out; |
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626 } |
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627 bzero(&in6_addr, sizeof(in6_addr)); |
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628 diag_sprintf(in6_ip, "%s::%s", prefix, inet_ntoa(bp->bp_yiaddr)); |
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629 in6_addr.ifra_addr.sin6_len = sizeof(struct sockaddr_in6); |
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630 in6_addr.ifra_addr.sin6_family = AF_INET6; |
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631 if (!inet_pton(AF_INET6, in6_ip, (char *)&in6_addr.ifra_addr.sin6_addr)) { |
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632 diag_printf("Can't set IPv6 address: %s\n", in6_ip); |
| 1581 | 633 goto out; |
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634 } |
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635 in6_addr.ifra_prefixmask.sin6_len = sizeof(struct sockaddr_in6); |
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636 in6_addr.ifra_prefixmask.sin6_family = AF_INET6; |
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637 in6_addr.ifra_prefixmask.sin6_addr = in6mask128; |
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638 strcpy(in6_addr.ifra_name, intf); |
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639 in6_addr.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; |
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640 in6_addr.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; |
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641 if (ioctl(s, SIOCAIFADDR_IN6, &in6_addr)) { |
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642 perror("SIOCAIFADDR_IN6"); |
| 1581 | 643 goto out; |
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644 } |
| 1581 | 645 retcode = true; |
| 646 out: | |
| 647 if (s != -1) | |
| 648 close(s); | |
| 649 return retcode; | |
|
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650 } |
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651 #endif |
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490
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652 |
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653 // EOF bootp_support.c |