1 | /* |
1 | /* |
2 | sockinfo.C -- socket address management |
2 | sockinfo.C -- socket address management |
3 | Copyright (C) 2003 Marc Lehmann <gvpe@schmorp.de> |
3 | Copyright (C) 2003-2008 Marc Lehmann <gvpe@schmorp.de> |
4 | |
4 | |
5 | This file is part of GVPE. |
5 | This file is part of GVPE. |
6 | |
6 | |
7 | GVPE is free software; you can redistribute it and/or modify |
7 | GVPE is free software; you can redistribute it and/or modify it |
8 | 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 |
9 | the Free Software Foundation; either version 2 of the License, or |
9 | Free Software Foundation; either version 3 of the License, or (at your |
10 | (at your option) any later version. |
10 | option) any later version. |
11 | |
11 | |
12 | 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 |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
15 | GNU General Public License for more details. |
15 | Public License for more details. |
16 | |
16 | |
17 | 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 |
18 | along with gvpe; if not, write to the Free Software |
18 | with this program; if not, see <http://www.gnu.org/licenses/>. |
19 | 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. |
20 | */ |
30 | */ |
21 | |
31 | |
22 | #include "config.h" |
32 | #include "config.h" |
23 | |
33 | |
24 | #include <netdb.h> |
34 | #include <netdb.h> |
… | |
… | |
26 | #include "gettext.h" |
36 | #include "gettext.h" |
27 | |
37 | |
28 | #include "sockinfo.h" |
38 | #include "sockinfo.h" |
29 | #include "slog.h" |
39 | #include "slog.h" |
30 | |
40 | |
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41 | #include <cstring> |
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42 | #include <cstdio> |
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43 | |
31 | // all ipv4-based protocols |
44 | // all ipv4-based protocols |
32 | #define PROTv4 (PROT_UDPv4 | PROT_TCPv4 | PROT_ICMPv4 | PROT_IPv4 | PROT_DNSv4) |
45 | #define PROTv4 (PROT_UDPv4 | PROT_TCPv4 | PROT_ICMPv4 | PROT_IPv4 | PROT_DNSv4) |
33 | |
46 | |
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47 | void |
34 | void sockinfo::set (const sockaddr_in *sa, u8 prot_) |
48 | sockinfo::set (const sockaddr_in *sa, u8 prot_) |
35 | { |
49 | { |
36 | host = sa->sin_addr.s_addr; |
50 | host = sa->sin_addr.s_addr; |
37 | port = prot_ & (PROT_IPv4 | PROT_ICMPv4) ? 0 : sa->sin_port; |
51 | port = prot_ & (PROT_IPv4 | PROT_ICMPv4) ? 0 : sa->sin_port; |
38 | prot = prot_; |
52 | prot = prot_; |
39 | } |
53 | } |
40 | |
54 | |
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55 | void |
41 | void sockinfo::set (const char *hostname, u16 port_, u8 prot_) |
56 | sockinfo::set (const char *hostname, u16 port_, u8 prot_) |
42 | { |
57 | { |
43 | prot = prot_; |
58 | prot = prot_; |
44 | host = 0; |
59 | host = 0; |
45 | port = htons (port_); |
60 | port = htons (port_); |
46 | |
61 | |
… | |
… | |
62 | |
77 | |
63 | void |
78 | void |
64 | sockinfo::set (const conf_node *conf, u8 prot_) |
79 | sockinfo::set (const conf_node *conf, u8 prot_) |
65 | { |
80 | { |
66 | if (prot_ == PROT_DNSv4) |
81 | if (prot_ == PROT_DNSv4) |
67 | set (conf->dns_hostname, conf->dns_hostname ? conf->dns_port : 0, prot_); |
82 | { |
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83 | host = htonl (conf->id); port = 0; prot = prot_; |
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84 | } |
68 | else |
85 | else |
69 | set (conf->hostname, |
86 | set (conf->hostname, |
70 | prot_ == PROT_UDPv4 ? conf->udp_port |
87 | prot_ == PROT_UDPv4 ? conf->udp_port |
71 | : prot_ == PROT_TCPv4 ? conf->tcp_port |
88 | : prot_ == PROT_TCPv4 ? conf->tcp_port |
72 | : prot_ == PROT_DNSv4 ? conf->dns_port |
89 | : prot_ == PROT_DNSv4 ? conf->dns_port |
… | |
… | |
96 | sprintf (hostport, "%.15s", inet_ntoa (ia)); |
113 | sprintf (hostport, "%.15s", inet_ntoa (ia)); |
97 | |
114 | |
98 | return hostport; |
115 | return hostport; |
99 | } |
116 | } |
100 | |
117 | |
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118 | bool |
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119 | sockinfo::valid () const |
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120 | { |
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121 | return (prot & THISNODE->protocols) && host; |
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122 | } |
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123 | |
101 | sockinfo::operator const char *() const |
124 | sockinfo::operator const char *() const |
102 | { |
125 | { |
103 | in_addr ia = { host }; |
126 | in_addr ia = { host }; |
104 | |
127 | |
105 | sprintf (hostport, "%s/%.15s:%d", strprotocol (prot), inet_ntoa (ia), ntohs (port) & 0xffff); |
128 | sprintf (hostport, "%s/%.15s:%d", strprotocol (prot), inet_ntoa (ia), ntohs (port) & 0xffff); |
… | |
… | |
110 | u8 |
133 | u8 |
111 | sockinfo::supported_protocols (conf_node *conf) |
134 | sockinfo::supported_protocols (conf_node *conf) |
112 | { |
135 | { |
113 | u8 protocols = prot; |
136 | u8 protocols = prot; |
114 | |
137 | |
115 | if (prot & (PROT_UDPv4 | PROT_TCPv4)) |
138 | if (prot & (PROT_IPv4 | PROT_ICMPv4 | PROT_UDPv4 | PROT_TCPv4)) |
116 | protocols |= PROT_IPv4 | PROT_ICMPv4; |
139 | protocols |= PROT_IPv4 | PROT_ICMPv4; |
117 | |
140 | |
118 | if (conf |
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119 | && prot & PROTv4 |
141 | if (conf && prot & PROTv4) |
120 | && conf->protocols & PROT_UDPv4 |
142 | { |
121 | && conf->udp_port) |
143 | if (conf->protocols & PROT_UDPv4 && conf->udp_port) |
122 | protocols |= PROT_UDPv4; |
144 | protocols |= PROT_UDPv4; |
123 | |
145 | |
124 | if (conf |
146 | if (conf->protocols & PROT_TCPv4 && conf->tcp_port) |
125 | && prot & PROTv4 |
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126 | && conf->protocols & PROT_TCPv4 |
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127 | && conf->tcp_port) |
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128 | protocols |= PROT_TCPv4; |
147 | protocols |= PROT_TCPv4; |
129 | |
148 | |
130 | if (conf |
149 | if (conf->protocols & PROT_DNSv4 && conf->dns_port) |
131 | && prot & PROTv4 |
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132 | && conf->protocols & PROT_DNSv4 |
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133 | && conf->dns_port) |
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134 | protocols |= PROT_DNSv4; |
150 | protocols |= PROT_DNSv4; |
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151 | } |
135 | |
152 | |
136 | return protocols; |
153 | return protocols; |
137 | } |
154 | } |
138 | |
155 | |
139 | bool |
156 | bool |
… | |
… | |
169 | { |
186 | { |
170 | prot = prot_; |
187 | prot = prot_; |
171 | port = htons (conf->tcp_port); |
188 | port = htons (conf->tcp_port); |
172 | return true; |
189 | return true; |
173 | } |
190 | } |
174 | |
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175 | #if ENABLE_DNS |
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176 | if (conf |
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177 | && prot_ & PROT_DNSv4 |
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178 | && conf->protocols & PROT_DNSv4 |
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179 | && conf->dns_port) |
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180 | { |
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181 | set (::conf.dns_forw_host, ::conf.dns_forw_port, prot_); |
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182 | return true; |
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183 | } |
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184 | #endif |
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185 | } |
191 | } |
186 | |
192 | |
187 | return false; |
193 | return false; |
188 | } |
194 | } |
189 | |
195 | |