| 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 <arpa/inet.h> |
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| 23 | #include <netdb.h> |
34 | #include <netdb.h> |
| 24 | |
35 | |
| 25 | #include "gettext.h" |
36 | #include "gettext.h" |
| 26 | |
37 | |
| 27 | #include "sockinfo.h" |
38 | #include "sockinfo.h" |
| 28 | #include "slog.h" |
39 | #include "slog.h" |
| 29 | |
40 | |
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41 | #include <cstring> |
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42 | #include <cstdio> |
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43 | |
| 30 | // all ipv4-based protocols |
44 | // all ipv4-based protocols |
| 31 | #define PROTv4 (PROT_UDPv4 | PROT_TCPv4 | PROT_ICMPv4 | PROT_IPv4) |
45 | #define PROTv4 (PROT_UDPv4 | PROT_TCPv4 | PROT_ICMPv4 | PROT_IPv4 | PROT_DNSv4) |
| 32 | |
46 | |
| 33 | void sockinfo::set (const sockaddr_in *sa, u8 prot_) |
47 | void sockinfo::set (const sockaddr_in *sa, u8 prot_) |
| 34 | { |
48 | { |
| 35 | host = sa->sin_addr.s_addr; |
49 | host = sa->sin_addr.s_addr; |
| 36 | port = prot_ & (PROT_IPv4 | PROT_ICMPv4) ? 0 : sa->sin_port; |
50 | port = prot_ & (PROT_IPv4 | PROT_ICMPv4) ? 0 : sa->sin_port; |
| … | |
… | |
| 60 | } |
74 | } |
| 61 | |
75 | |
| 62 | void |
76 | void |
| 63 | sockinfo::set (const conf_node *conf, u8 prot_) |
77 | sockinfo::set (const conf_node *conf, u8 prot_) |
| 64 | { |
78 | { |
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79 | if (prot_ == PROT_DNSv4) |
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80 | { |
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81 | host = htonl (conf->id); port = 0; prot = prot_; |
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82 | } |
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83 | else |
| 65 | set (conf->hostname, |
84 | set (conf->hostname, |
| 66 | prot_ == PROT_UDPv4 ? conf->udp_port |
85 | prot_ == PROT_UDPv4 ? conf->udp_port |
| 67 | : prot_ == PROT_TCPv4 ? conf->tcp_port |
86 | : prot_ == PROT_TCPv4 ? conf->tcp_port |
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87 | : prot_ == PROT_DNSv4 ? conf->dns_port |
| 68 | : 0, |
88 | : 0, |
| 69 | prot_); |
89 | prot_); |
| 70 | } |
90 | } |
| 71 | |
91 | |
| 72 | const sockaddr * |
92 | const sockaddr * |
| 73 | sockinfo::sav4() const |
93 | sockinfo::sav4() const |
| 74 | { |
94 | { |
| … | |
… | |
| 120 | && prot & PROTv4 |
140 | && prot & PROTv4 |
| 121 | && conf->protocols & PROT_TCPv4 |
141 | && conf->protocols & PROT_TCPv4 |
| 122 | && conf->tcp_port) |
142 | && conf->tcp_port) |
| 123 | protocols |= PROT_TCPv4; |
143 | protocols |= PROT_TCPv4; |
| 124 | |
144 | |
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145 | if (conf |
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146 | && prot & PROTv4 |
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147 | && conf->protocols & PROT_DNSv4 |
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148 | && conf->dns_port) |
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149 | protocols |= PROT_DNSv4; |
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150 | |
| 125 | return protocols; |
151 | return protocols; |
| 126 | } |
152 | } |
| 127 | |
153 | |
| 128 | bool |
154 | bool |
| 129 | sockinfo::upgrade_protocol (u8 prot_, conf_node *conf) |
155 | sockinfo::upgrade_protocol (u8 prot_, conf_node *conf) |
