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1 /* $Id: fake-rfc2553.h,v 1.9 2004/03/10 10:06:33 dtucker Exp $ */ |
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2 |
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3 /* |
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4 * Copyright (C) 2000-2003 Damien Miller. All rights reserved. |
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5 * Copyright (C) 1999 WIDE Project. 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 * 3. Neither the name of the project 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 PROJECT 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 PROJECT 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 /* |
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33 * Pseudo-implementation of RFC2553 name / address resolution functions |
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34 * |
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35 * But these functions are not implemented correctly. The minimum subset |
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36 * is implemented for ssh use only. For example, this routine assumes |
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37 * that ai_family is AF_INET. Don't use it for another purpose. |
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38 */ |
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39 |
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40 #ifndef _FAKE_RFC2553_H |
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41 #define _FAKE_RFC2553_H |
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42 |
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43 #include "includes.h" |
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44 #include "sys/types.h" |
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45 |
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46 /* |
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47 * First, socket and INET6 related definitions |
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48 */ |
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49 #ifndef HAVE_STRUCT_SOCKADDR_STORAGE |
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50 # define _SS_MAXSIZE 128 /* Implementation specific max size */ |
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51 # define _SS_PADSIZE (_SS_MAXSIZE - sizeof (struct sockaddr)) |
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52 struct sockaddr_storage { |
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53 struct sockaddr ss_sa; |
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54 char __ss_pad2[_SS_PADSIZE]; |
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55 }; |
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56 # define ss_family ss_sa.sa_family |
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57 #endif /* !HAVE_STRUCT_SOCKADDR_STORAGE */ |
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58 |
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59 #ifndef IN6_IS_ADDR_LOOPBACK |
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60 # define IN6_IS_ADDR_LOOPBACK(a) \ |
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61 (((u_int32_t *)(a))[0] == 0 && ((u_int32_t *)(a))[1] == 0 && \ |
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62 ((u_int32_t *)(a))[2] == 0 && ((u_int32_t *)(a))[3] == htonl(1)) |
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63 #endif /* !IN6_IS_ADDR_LOOPBACK */ |
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64 |
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65 #ifndef HAVE_STRUCT_IN6_ADDR |
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66 struct in6_addr { |
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67 u_int8_t s6_addr[16]; |
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68 }; |
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69 #endif /* !HAVE_STRUCT_IN6_ADDR */ |
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70 |
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71 #ifndef HAVE_STRUCT_SOCKADDR_IN6 |
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72 struct sockaddr_in6 { |
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73 unsigned short sin6_family; |
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74 u_int16_t sin6_port; |
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75 u_int32_t sin6_flowinfo; |
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76 struct in6_addr sin6_addr; |
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77 }; |
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78 #endif /* !HAVE_STRUCT_SOCKADDR_IN6 */ |
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79 |
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80 #ifndef AF_INET6 |
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81 /* Define it to something that should never appear */ |
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82 #define AF_INET6 AF_MAX |
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83 #endif |
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84 |
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85 /* |
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86 * Next, RFC2553 name / address resolution API |
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87 */ |
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88 |
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89 #ifndef NI_NUMERICHOST |
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90 # define NI_NUMERICHOST (1) |
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91 #endif |
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92 #ifndef NI_NAMEREQD |
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93 # define NI_NAMEREQD (1<<1) |
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94 #endif |
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95 #ifndef NI_NUMERICSERV |
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96 # define NI_NUMERICSERV (1<<2) |
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97 #endif |
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98 |
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99 #ifndef AI_PASSIVE |
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100 # define AI_PASSIVE (1) |
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101 #endif |
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102 #ifndef AI_CANONNAME |
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103 # define AI_CANONNAME (1<<1) |
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104 #endif |
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105 #ifndef AI_NUMERICHOST |
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106 # define AI_NUMERICHOST (1<<2) |
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107 #endif |
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108 |
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109 #ifndef NI_MAXSERV |
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110 # define NI_MAXSERV 32 |
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111 #endif /* !NI_MAXSERV */ |
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112 #ifndef NI_MAXHOST |
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113 # define NI_MAXHOST 1025 |
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114 #endif /* !NI_MAXHOST */ |
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115 |
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116 #ifndef EAI_NODATA |
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117 # define EAI_NODATA 1 |
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118 # define EAI_MEMORY 2 |
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119 # define EAI_NONAME 3 |
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120 #endif |
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121 |
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122 #ifndef HAVE_STRUCT_ADDRINFO |
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123 struct addrinfo { |
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124 int ai_flags; /* AI_PASSIVE, AI_CANONNAME */ |
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125 int ai_family; /* PF_xxx */ |
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126 int ai_socktype; /* SOCK_xxx */ |
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127 int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */ |
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128 size_t ai_addrlen; /* length of ai_addr */ |
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129 char *ai_canonname; /* canonical name for hostname */ |
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130 struct sockaddr *ai_addr; /* binary address */ |
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131 struct addrinfo *ai_next; /* next structure in linked list */ |
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132 }; |
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133 #endif /* !HAVE_STRUCT_ADDRINFO */ |
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134 |
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135 #ifndef HAVE_GETADDRINFO |
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136 #ifdef getaddrinfo |
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137 # undef getaddrinfo |
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138 #endif |
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139 #define getaddrinfo(a,b,c,d) (ssh_getaddrinfo(a,b,c,d)) |
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140 int getaddrinfo(const char *, const char *, |
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141 const struct addrinfo *, struct addrinfo **); |
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142 #endif /* !HAVE_GETADDRINFO */ |
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143 |
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144 #if !defined(HAVE_GAI_STRERROR) && !defined(HAVE_CONST_GAI_STRERROR_PROTO) |
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145 #define gai_strerror(a) (ssh_gai_strerror(a)) |
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146 char *gai_strerror(int); |
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147 #endif /* !HAVE_GAI_STRERROR */ |
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148 |
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149 #ifndef HAVE_FREEADDRINFO |
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150 #define freeaddrinfo(a) (ssh_freeaddrinfo(a)) |
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151 void freeaddrinfo(struct addrinfo *); |
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152 #endif /* !HAVE_FREEADDRINFO */ |
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153 |
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154 #ifndef HAVE_GETNAMEINFO |
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155 #define getnameinfo(a,b,c,d,e,f,g) (ssh_getnameinfo(a,b,c,d,e,f,g)) |
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156 int getnameinfo(const struct sockaddr *, size_t, char *, size_t, |
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157 char *, size_t, int); |
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158 #endif /* !HAVE_GETNAMEINFO */ |
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159 |
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160 #endif /* !_FAKE_RFC2553_H */ |
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161 |