| 1 | /* |
1 | /* |
| 2 | sockinfo.C -- socket address management |
2 | sockinfo.C -- socket address management |
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3 | Copyright (C) 2003 Marc Lehmann <pcg@goof.com> |
| 3 | |
4 | |
| 4 | This program is free software; you can redistribute it and/or modify |
5 | 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 |
6 | 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 |
7 | the Free Software Foundation; either version 2 of the License, or |
| 7 | (at your option) any later version. |
8 | (at your option) any later version. |
| … | |
… | |
| 24 | #include "gettext.h" |
25 | #include "gettext.h" |
| 25 | |
26 | |
| 26 | #include "sockinfo.h" |
27 | #include "sockinfo.h" |
| 27 | #include "slog.h" |
28 | #include "slog.h" |
| 28 | |
29 | |
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30 | // all ipv4-based protocols |
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31 | #define PROTv4 (PROT_UDPv4 | PROT_TCPv4 | PROT_ICMPv4 | PROT_IPv4) |
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32 | |
| 29 | void sockinfo::set (const sockaddr_in *sa, u8 prot_) |
33 | void sockinfo::set (const sockaddr_in *sa, u8 prot_) |
| 30 | { |
34 | { |
| 31 | host = sa->sin_addr.s_addr; |
35 | host = sa->sin_addr.s_addr; |
| 32 | port = prot_ == PROT_IPv4 ? 0 : sa->sin_port; |
36 | port = prot_ & (PROT_IPv4 | PROT_ICMPv4) ? 0 : sa->sin_port; |
| 33 | prot = prot_; |
37 | prot = prot_; |
| 34 | } |
38 | } |
| 35 | |
39 | |
| 36 | void sockinfo::set (const char *hostname, u16 port_, u8 prot_) |
40 | void sockinfo::set (const char *hostname, u16 port_, u8 prot_) |
| 37 | { |
41 | { |
| 38 | prot = prot_; |
42 | prot = prot_; |
| 39 | host = 0; |
43 | host = 0; |
| 40 | port = htons (port_); |
44 | port = htons (port_); |
| 41 | |
45 | |
| 42 | if (prot & (PROT_UDPv4 | PROT_TCPv4 | PROT_IPv4) |
46 | if (prot & PROTv4 |
| 43 | && hostname) |
47 | && hostname) |
| 44 | { |
48 | { |
| 45 | struct hostent *he = gethostbyname (hostname); |
49 | struct hostent *he = gethostbyname (hostname); |
| 46 | |
50 | |
| 47 | if (he |
51 | if (he |
| … | |
… | |
| 102 | sockinfo::supported_protocols (conf_node *conf) |
106 | sockinfo::supported_protocols (conf_node *conf) |
| 103 | { |
107 | { |
| 104 | u8 protocols = prot; |
108 | u8 protocols = prot; |
| 105 | |
109 | |
| 106 | if (prot & (PROT_UDPv4 | PROT_TCPv4)) |
110 | if (prot & (PROT_UDPv4 | PROT_TCPv4)) |
| 107 | protocols |= PROT_IPv4; |
111 | protocols |= PROT_IPv4 | PROT_ICMPv4; |
| 108 | |
112 | |
| 109 | if (conf |
113 | if (conf |
| 110 | && prot & (PROT_IPv4 | PROT_UDPv4 | PROT_TCPv4) |
114 | && prot & PROTv4 |
| 111 | && conf->protocols & PROT_UDPv4 |
115 | && conf->protocols & PROT_UDPv4 |
| 112 | && conf->udp_port) |
116 | && conf->udp_port) |
| 113 | protocols |= PROT_UDPv4; |
117 | protocols |= PROT_UDPv4; |
| 114 | |
118 | |
| 115 | if (conf |
119 | if (conf |
| 116 | && prot & (PROT_IPv4 | PROT_UDPv4 | PROT_TCPv4) |
120 | && prot & PROTv4 |
| 117 | && conf->protocols & PROT_TCPv4 |
121 | && conf->protocols & PROT_TCPv4 |
| 118 | && conf->tcp_port) |
122 | && conf->tcp_port) |
| 119 | protocols |= PROT_TCPv4; |
123 | protocols |= PROT_TCPv4; |
| 120 | |
124 | |
| 121 | return protocols; |
125 | return protocols; |
| … | |
… | |
| 125 | sockinfo::upgrade_protocol (u8 prot_, conf_node *conf) |
129 | sockinfo::upgrade_protocol (u8 prot_, conf_node *conf) |
| 126 | { |
130 | { |
| 127 | if (prot_ == prot) |
131 | if (prot_ == prot) |
| 128 | return true; |
132 | return true; |
| 129 | |
133 | |
| 130 | if (prot & (PROT_IPv4 | PROT_UDPv4 | PROT_TCPv4) |
134 | if (prot & PROTv4 |
| 131 | && prot_ & (PROT_IPv4 | PROT_UDPv4 | PROT_TCPv4)) |
135 | && prot_ & PROTv4) |
| 132 | { |
136 | { |
| 133 | if (prot_ & PROT_IPv4) |
137 | if (prot_ & (PROT_IPv4 | PROT_ICMPv4)) |
| 134 | { |
138 | { |
| 135 | prot = prot_; |
139 | prot = prot_; |
| 136 | port = 0; |
140 | port = 0; |
| 137 | return true; |
141 | return true; |
| 138 | } |
142 | } |
