| 1 | /* |
1 | /* |
| 2 | sockinfo.C -- socket address management |
2 | sockinfo.C -- socket address management |
| 3 | Copyright (C) 2003 Marc Lehmann <pcg@goof.com> |
3 | Copyright (C) 2003-2008 Marc Lehmann <gvpe@schmorp.de> |
| 4 | |
4 | |
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5 | This file is part of GVPE. |
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6 | |
| 5 | This program is free software; you can redistribute it and/or modify |
7 | GVPE is free software; you can redistribute it and/or modify it |
| 6 | it under the terms of the GNU General Public License as published by |
8 | under the terms of the GNU General Public License as published by the |
| 7 | the Free Software Foundation; either version 2 of the License, or |
9 | Free Software Foundation; either version 3 of the License, or (at your |
| 8 | (at your option) any later version. |
10 | option) any later version. |
| 9 | |
11 | |
| 10 | This program is distributed in the hope that it will be useful, |
12 | This program is distributed in the hope that it will be useful, but |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
| 13 | GNU General Public License for more details. |
15 | Public License for more details. |
| 14 | |
16 | |
| 15 | You should have received a copy of the GNU General Public License |
17 | You should have received a copy of the GNU General Public License along |
| 16 | along with this program; if not, write to the Free Software |
18 | with this program; if not, see <http://www.gnu.org/licenses/>. |
| 17 | Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
19 | |
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20 | Additional permission under GNU GPL version 3 section 7 |
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21 | |
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22 | If you modify this Program, or any covered work, by linking or |
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23 | combining it with the OpenSSL project's OpenSSL library (or a modified |
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24 | version of that library), containing parts covered by the terms of the |
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25 | OpenSSL or SSLeay licenses, the licensors of this Program grant you |
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26 | additional permission to convey the resulting work. Corresponding |
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27 | Source for a non-source form of such a combination shall include the |
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28 | source code for the parts of OpenSSL used as well as that of the |
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29 | covered work. |
| 18 | */ |
30 | */ |
| 19 | |
31 | |
| 20 | #include "config.h" |
32 | #include "config.h" |
| 21 | |
33 | |
| 22 | #include <netdb.h> |
34 | #include <netdb.h> |
| … | |
… | |
| 24 | #include "gettext.h" |
36 | #include "gettext.h" |
| 25 | |
37 | |
| 26 | #include "sockinfo.h" |
38 | #include "sockinfo.h" |
| 27 | #include "slog.h" |
39 | #include "slog.h" |
| 28 | |
40 | |
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41 | #include <cstring> |
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42 | #include <cstdio> |
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43 | |
| 29 | // all ipv4-based protocols |
44 | // all ipv4-based protocols |
| 30 | #define PROTv4 (PROT_UDPv4 | PROT_TCPv4 | PROT_ICMPv4 | PROT_IPv4) |
45 | #define PROTv4 (PROT_UDPv4 | PROT_TCPv4 | PROT_ICMPv4 | PROT_IPv4 | PROT_DNSv4) |
| 31 | |
46 | |
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47 | void |
| 32 | void sockinfo::set (const sockaddr_in *sa, u8 prot_) |
48 | sockinfo::set (const sockaddr_in *sa, u8 prot_) |
| 33 | { |
49 | { |
| 34 | host = sa->sin_addr.s_addr; |
50 | host = sa->sin_addr.s_addr; |
| 35 | port = prot_ & (PROT_IPv4 | PROT_ICMPv4) ? 0 : sa->sin_port; |
51 | port = prot_ & (PROT_IPv4 | PROT_ICMPv4) ? 0 : sa->sin_port; |
| 36 | prot = prot_; |
52 | prot = prot_; |
| 37 | } |
53 | } |
| 38 | |
54 | |
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55 | void |
| 39 | void sockinfo::set (const char *hostname, u16 port_, u8 prot_) |
56 | sockinfo::set (const char *hostname, u16 port_, u8 prot_) |
| 40 | { |
57 | { |
| 41 | prot = prot_; |
58 | prot = prot_; |
| 42 | host = 0; |
59 | host = 0; |
| 43 | port = htons (port_); |
60 | port = htons (port_); |
| 44 | |
61 | |
| … | |
… | |
| 59 | } |
76 | } |
| 60 | |
77 | |
| 61 | void |
78 | void |
| 62 | sockinfo::set (const conf_node *conf, u8 prot_) |
79 | sockinfo::set (const conf_node *conf, u8 prot_) |
| 63 | { |
80 | { |
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81 | if (prot_ == PROT_DNSv4) |
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82 | { |
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83 | host = htonl (conf->id); port = 0; prot = prot_; |
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84 | } |
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85 | else |
| 64 | set (conf->hostname, |
86 | set (conf->hostname, |
| 65 | prot_ == PROT_UDPv4 ? conf->udp_port |
87 | prot_ == PROT_UDPv4 ? conf->udp_port |
| 66 | : prot_ == PROT_TCPv4 ? conf->tcp_port |
88 | : prot_ == PROT_TCPv4 ? conf->tcp_port |
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89 | : prot_ == PROT_DNSv4 ? conf->dns_port |
| 67 | : 0, |
90 | : 0, |
| 68 | prot_); |
91 | prot_); |
| 69 | } |
92 | } |
| 70 | |
93 | |
| 71 | const sockaddr * |
94 | const sockaddr * |
| 72 | sockinfo::sav4() const |
95 | sockinfo::sav4() const |
| 73 | { |
96 | { |
| … | |
… | |
| 104 | u8 |
127 | u8 |
| 105 | sockinfo::supported_protocols (conf_node *conf) |
128 | sockinfo::supported_protocols (conf_node *conf) |
| 106 | { |
129 | { |
| 107 | u8 protocols = prot; |
130 | u8 protocols = prot; |
| 108 | |
131 | |
| 109 | if (prot & (PROT_UDPv4 | PROT_TCPv4)) |
132 | if (prot & (PROT_IPv4 | PROT_ICMPv4 | PROT_UDPv4 | PROT_TCPv4)) |
| 110 | protocols |= PROT_IPv4 | PROT_ICMPv4; |
133 | protocols |= PROT_IPv4 | PROT_ICMPv4; |
| 111 | |
134 | |
| 112 | if (conf |
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| 113 | && prot & PROTv4 |
135 | if (conf && prot & PROTv4) |
| 114 | && conf->protocols & PROT_UDPv4 |
136 | { |
| 115 | && conf->udp_port) |
137 | if (conf->protocols & PROT_UDPv4 && conf->udp_port) |
| 116 | protocols |= PROT_UDPv4; |
138 | protocols |= PROT_UDPv4; |
| 117 | |
139 | |
| 118 | if (conf |
140 | if (conf->protocols & PROT_TCPv4 && conf->tcp_port) |
| 119 | && prot & PROTv4 |
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| 120 | && conf->protocols & PROT_TCPv4 |
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| 121 | && conf->tcp_port) |
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| 122 | protocols |= PROT_TCPv4; |
141 | protocols |= PROT_TCPv4; |
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142 | |
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143 | if (conf->protocols & PROT_DNSv4 && conf->dns_port) |
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144 | protocols |= PROT_DNSv4; |
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145 | } |
| 123 | |
146 | |
| 124 | return protocols; |
147 | return protocols; |
| 125 | } |
148 | } |
| 126 | |
149 | |
| 127 | bool |
150 | bool |
