ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/gvpe/src/sockinfo.C
(Generate patch)

Comparing gvpe/src/sockinfo.C (file contents):
Revision 1.6 by pcg, Sat Apr 5 18:03:20 2003 UTC vs.
Revision 1.15 by pcg, Thu Mar 3 16:54:34 2005 UTC

1/* 1/*
2 sockinfo.C -- socket address management 2 sockinfo.C -- socket address management
3 Copyright (C) 2003 Marc Lehmann <gvpe@schmorp.de>
3 4
5 This file is part of GVPE.
6
4 This program is free software; you can redistribute it and/or modify 7 GVPE is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by 8 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 9 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version. 10 (at your option) any later version.
8 11
9 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,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details. 15 GNU General Public License for more details.
13 16
14 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
15 along with this program; if not, write to the Free Software 18 along with gvpe; if not, write to the Free Software
16 Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17*/ 20*/
18 21
19#include "config.h" 22#include "config.h"
20 23
21#include <arpa/inet.h>
22#include <netdb.h> 24#include <netdb.h>
23 25
24#include "gettext.h" 26#include "gettext.h"
25 27
26#include "sockinfo.h" 28#include "sockinfo.h"
27#include "slog.h" 29#include "slog.h"
28 30
31// all ipv4-based protocols
32#define PROTv4 (PROT_UDPv4 | PROT_TCPv4 | PROT_ICMPv4 | PROT_IPv4 | PROT_DNSv4)
33
29void sockinfo::set (const sockaddr_in *sa, u8 prot_) 34void sockinfo::set (const sockaddr_in *sa, u8 prot_)
30{ 35{
31 host = sa->sin_addr.s_addr; 36 host = sa->sin_addr.s_addr;
32 port = prot_ == PROT_IPv4 ? 0 : sa->sin_port; 37 port = prot_ & (PROT_IPv4 | PROT_ICMPv4) ? 0 : sa->sin_port;
33 prot = prot_; 38 prot = prot_;
39}
40
41void sockinfo::set (const char *hostname, u16 port_, u8 prot_)
42{
43 prot = prot_;
44 host = 0;
45 port = htons (port_);
46
47 if (prot & PROTv4
48 && hostname)
49 {
50 struct hostent *he = gethostbyname (hostname);
51
52 if (he
53 && he->h_addrtype == AF_INET && he->h_length == 4 && he->h_addr_list[0])
54 {
55 //sa->sin_family = he->h_addrtype;
56 memcpy (&host, he->h_addr_list[0], 4);
57 }
58 else
59 slog (L_NOTICE, _("unable to resolve host '%s'"), hostname);
60 }
34} 61}
35 62
36void 63void
37sockinfo::set (const conf_node *conf, u8 prot_) 64sockinfo::set (const conf_node *conf, u8 prot_)
38{ 65{
39 prot = prot_; 66 if (prot_ == PROT_DNSv4)
40 host = 0; 67 set (conf->dns_hostname, conf->dns_hostname ? conf->dns_port : 0, prot_);
68 else
69 set (conf->hostname,
41 port = prot == PROT_UDPv4 ? htons (conf->udp_port) 70 prot_ == PROT_UDPv4 ? conf->udp_port
42 : prot == PROT_TCPv4 ? htons (conf->tcp_port) 71 : prot_ == PROT_TCPv4 ? conf->tcp_port
72 : prot_ == PROT_DNSv4 ? conf->dns_port
43 : 0; 73 : 0,
44 74 prot_);
45 if (prot && conf->hostname)
46 {
47 struct hostent *he = gethostbyname (conf->hostname);
48
49 if (he
50 && he->h_addrtype == AF_INET && he->h_length == 4 && he->h_addr_list[0])
51 {
52 //sa->sin_family = he->h_addrtype;
53 memcpy (&host, he->h_addr_list[0], 4);
54
55 }
56 else
57 slog (L_NOTICE, _("unable to resolve host '%s'"), conf->hostname);
58 }
59} 75}
60
61 76
62const sockaddr * 77const sockaddr *
63sockinfo::sav4() const 78sockinfo::sav4() const
64{ 79{
65 static sockaddr_in sa; 80 static sockaddr_in sa;
… …
69 sa.sin_addr.s_addr = host; 84 sa.sin_addr.s_addr = host;
70 85
71 return (const sockaddr *)&sa; 86 return (const sockaddr *)&sa;
72} 87}
73 88
74static char hostport[10 + 15 + 1 + 5 + 1]; // protype / IPv4 : port 89static char hostport[10 + 15 + 1 + 5 + 1]; // proto / IPv4 : port
75 90
76const char * 91const char *
77sockinfo::ntoa () const 92sockinfo::ntoa () const
78{ 93{
79 in_addr ia = { host }; 94 in_addr ia = { host };
… …
96sockinfo::supported_protocols (conf_node *conf) 111sockinfo::supported_protocols (conf_node *conf)
97{ 112{
98 u8 protocols = prot; 113 u8 protocols = prot;
99 114
100 if (prot & (PROT_UDPv4 | PROT_TCPv4)) 115 if (prot & (PROT_UDPv4 | PROT_TCPv4))
101 protocols |= PROT_IPv4; 116 protocols |= PROT_IPv4 | PROT_ICMPv4;
102 117
103 if (conf 118 if (conf
104 && prot & (PROT_IPv4 | PROT_UDPv4 | PROT_TCPv4) 119 && prot & PROTv4
105 && conf->protocols & PROT_UDPv4 120 && conf->protocols & PROT_UDPv4
106 && conf->udp_port) 121 && conf->udp_port)
107 protocols |= PROT_UDPv4; 122 protocols |= PROT_UDPv4;
108 123
109 if (conf 124 if (conf
110 && prot & (PROT_IPv4 | PROT_UDPv4 | PROT_TCPv4) 125 && prot & PROTv4
111 && conf->protocols & PROT_TCPv4 126 && conf->protocols & PROT_TCPv4
112 && conf->tcp_port) 127 && conf->tcp_port)
113 protocols |= PROT_TCPv4; 128 protocols |= PROT_TCPv4;
114 129
130 if (conf
131 && prot & PROTv4
132 && conf->protocols & PROT_DNSv4
133 && conf->dns_port)
134 protocols |= PROT_DNSv4;
135
115 return protocols; 136 return protocols;
116} 137}
117 138
118bool 139bool
119sockinfo::upgrade_protocol (u8 prot_, conf_node *conf) 140sockinfo::upgrade_protocol (u8 prot_, conf_node *conf)
120{ 141{
121 if (prot_ == prot) 142 if (prot_ == prot)
122 return true; 143 return true;
123 144
124 if (prot & (PROT_IPv4 | PROT_UDPv4 | PROT_TCPv4) 145 if (prot & PROTv4
125 && prot_ & (PROT_IPv4 | PROT_UDPv4 | PROT_TCPv4)) 146 && prot_ & PROTv4)
126 { 147 {
127 if (prot_ & PROT_IPv4) 148 if (prot_ & (PROT_IPv4 | PROT_ICMPv4))
128 { 149 {
129 prot = prot_; 150 prot = prot_;
130 port = 0; 151 port = 0;
131 return true; 152 return true;
132 } 153 }
… …
148 { 169 {
149 prot = prot_; 170 prot = prot_;
150 port = htons (conf->tcp_port); 171 port = htons (conf->tcp_port);
151 return true; 172 return true;
152 } 173 }
174
175#if ENABLE_DNS
176 if (conf
177 && prot_ & PROT_DNSv4
178 && conf->protocols & PROT_DNSv4
179 && conf->dns_port)
180 {
181 set (::conf.dns_forw_host, ::conf.dns_forw_port, prot_);
182 return true;
183 }
184#endif
153 } 185 }
154 186
155 return false; 187 return false;
156} 188}
157 189

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines