| 1 | /* |
1 | /* |
| 2 | sockinfo.c -- socket address management |
2 | sockinfo.C -- socket address management |
| 3 | |
3 | |
| 4 | This program is free software; you can redistribute it and/or modify |
4 | This program is free software; you can redistribute it and/or modify |
| 5 | it under the terms of the GNU General Public License as published by |
5 | it under the terms of the GNU General Public License as published by |
| 6 | the Free Software Foundation; either version 2 of the License, or |
6 | the Free Software Foundation; either version 2 of the License, or |
| 7 | (at your option) any later version. |
7 | (at your option) any later version. |
| … | |
… | |
| 31 | host = sa->sin_addr.s_addr; |
31 | host = sa->sin_addr.s_addr; |
| 32 | port = prot_ == PROT_IPv4 ? 0 : sa->sin_port; |
32 | port = prot_ == PROT_IPv4 ? 0 : sa->sin_port; |
| 33 | prot = prot_; |
33 | prot = prot_; |
| 34 | } |
34 | } |
| 35 | |
35 | |
| 36 | void |
36 | void sockinfo::set (const char *hostname, u16 port_, u8 prot_) |
| 37 | sockinfo::set (const conf_node *conf, u8 prot_) |
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| 38 | { |
37 | { |
| 39 | prot = prot_; |
38 | prot = prot_; |
| 40 | host = 0; |
39 | host = 0; |
| 41 | port = prot_ == PROT_UDPv4 ? htons (conf->udp_port) |
40 | port = htons (port_); |
| 42 | : prot_ == PROT_TCPv4 ? htons (conf->tcp_port) |
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| 43 | : 0; |
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| 44 | |
41 | |
| 45 | if (conf->hostname) |
42 | if (prot & (PROT_UDPv4 | PROT_TCPv4 | PROT_IPv4) |
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43 | && hostname) |
| 46 | { |
44 | { |
| 47 | struct hostent *he = gethostbyname (conf->hostname); |
45 | struct hostent *he = gethostbyname (hostname); |
| 48 | |
46 | |
| 49 | if (he |
47 | if (he |
| 50 | && he->h_addrtype == AF_INET && he->h_length == 4 && he->h_addr_list[0]) |
48 | && he->h_addrtype == AF_INET && he->h_length == 4 && he->h_addr_list[0]) |
| 51 | { |
49 | { |
| 52 | //sa->sin_family = he->h_addrtype; |
50 | //sa->sin_family = he->h_addrtype; |
| 53 | memcpy (&host, he->h_addr_list[0], 4); |
51 | memcpy (&host, he->h_addr_list[0], 4); |
| 54 | |
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| 55 | } |
52 | } |
| 56 | else |
53 | else |
| 57 | slog (L_NOTICE, _("unable to resolve host '%s'"), conf->hostname); |
54 | slog (L_NOTICE, _("unable to resolve host '%s'"), hostname); |
| 58 | } |
55 | } |
| 59 | } |
56 | } |
| 60 | |
57 | |
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58 | void |
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59 | sockinfo::set (const conf_node *conf, u8 prot_) |
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60 | { |
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61 | set (conf->hostname, |
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62 | prot_ == PROT_UDPv4 ? conf->udp_port |
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63 | : prot_ == PROT_TCPv4 ? conf->tcp_port |
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64 | : 0, |
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65 | prot_); |
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66 | } |
| 61 | |
67 | |
| 62 | const sockaddr * |
68 | const sockaddr * |
| 63 | sockinfo::sav4() const |
69 | sockinfo::sav4() const |
| 64 | { |
70 | { |
| 65 | static sockaddr_in sa; |
71 | static sockaddr_in sa; |
| … | |
… | |
| 69 | sa.sin_addr.s_addr = host; |
75 | sa.sin_addr.s_addr = host; |
| 70 | |
76 | |
| 71 | return (const sockaddr *)&sa; |
77 | return (const sockaddr *)&sa; |
| 72 | } |
78 | } |
| 73 | |
79 | |
| 74 | static char hostport[15 + 1 + 5 + 1]; // IPv4 : port |
80 | static char hostport[10 + 15 + 1 + 5 + 1]; // proto / IPv4 : port |
| 75 | |
81 | |
| 76 | const char * |
82 | const char * |
| 77 | sockinfo::ntoa () const |
83 | sockinfo::ntoa () const |
| 78 | { |
84 | { |
| 79 | in_addr ia = { host }; |
85 | in_addr ia = { host }; |
| … | |
… | |
| 85 | |
91 | |
| 86 | sockinfo::operator const char *() const |
92 | sockinfo::operator const char *() const |
| 87 | { |
93 | { |
| 88 | in_addr ia = { host }; |
94 | in_addr ia = { host }; |
| 89 | |
95 | |
| 90 | sprintf (hostport, "%.15s:%d", inet_ntoa (ia), ntohs (port) & 0xffff); |
96 | sprintf (hostport, "%s/%.15s:%d", strprotocol (prot), inet_ntoa (ia), ntohs (port) & 0xffff); |
| 91 | |
97 | |
| 92 | return hostport; |
98 | return hostport; |
| 93 | } |
99 | } |
| 94 | |
100 | |
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101 | u8 |
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102 | sockinfo::supported_protocols (conf_node *conf) |
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103 | { |
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104 | u8 protocols = prot; |
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105 | |
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106 | if (prot & (PROT_UDPv4 | PROT_TCPv4)) |
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107 | protocols |= PROT_IPv4; |
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108 | |
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109 | if (conf |
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110 | && prot & (PROT_IPv4 | PROT_UDPv4 | PROT_TCPv4) |
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111 | && conf->protocols & PROT_UDPv4 |
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112 | && conf->udp_port) |
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113 | protocols |= PROT_UDPv4; |
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114 | |
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115 | if (conf |
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116 | && prot & (PROT_IPv4 | PROT_UDPv4 | PROT_TCPv4) |
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117 | && conf->protocols & PROT_TCPv4 |
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118 | && conf->tcp_port) |
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119 | protocols |= PROT_TCPv4; |
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120 | |
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121 | return protocols; |
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122 | } |
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123 | |
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124 | bool |
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125 | sockinfo::upgrade_protocol (u8 prot_, conf_node *conf) |
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126 | { |
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127 | if (prot_ == prot) |
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128 | return true; |
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129 | |
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130 | if (prot & (PROT_IPv4 | PROT_UDPv4 | PROT_TCPv4) |
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131 | && prot_ & (PROT_IPv4 | PROT_UDPv4 | PROT_TCPv4)) |
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132 | { |
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133 | if (prot_ & PROT_IPv4) |
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134 | { |
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135 | prot = prot_; |
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136 | port = 0; |
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137 | return true; |
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138 | } |
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139 | |
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140 | if (conf |
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141 | && prot_ & PROT_UDPv4 |
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142 | && conf->protocols & PROT_UDPv4 |
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143 | && conf->udp_port) |
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144 | { |
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145 | prot = prot_; |
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146 | port = htons (conf->udp_port); |
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147 | return true; |
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148 | } |
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149 | |
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150 | if (conf |
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151 | && prot_ & PROT_TCPv4 |
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152 | && conf->protocols & PROT_TCPv4 |
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153 | && conf->tcp_port) |
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154 | { |
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155 | prot = prot_; |
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156 | port = htons (conf->tcp_port); |
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157 | return true; |
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158 | } |
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159 | } |
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160 | |
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161 | return false; |
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162 | } |
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163 | |
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164 | bool |
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165 | operator == (const sockinfo &a, const sockinfo &b) |
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166 | { |
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167 | return a.host == b.host && a.port == b.port && a.prot == b.prot; |
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168 | } |
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169 | |
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170 | bool |
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171 | operator < (const sockinfo &a, const sockinfo &b) |
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172 | { |
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173 | return a.host < b.host |
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174 | || (a.host == b.host && (a.port < b.port |
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175 | || (a.port == b.port && a.prot < b.prot))); |
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176 | } |
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177 | |
