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 1.30 by root, Tue Dec 4 13:51:45 2012 UTC

1/* 1/*
2 sockinfo.C -- socket address management 2 sockinfo.C -- socket address management
3 Copyright (C) 2003-2008 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 it
5 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
6 the Free Software Foundation; either version 2 of the License, or 9 Free Software Foundation; either version 3 of the License, or (at your
7 (at your option) any later version. 10 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, but
10 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 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 GNU General
12 GNU General Public License for more details. 15 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 along
15 along with this program; if not, write to the Free Software 18 with this program; if not, see <http://www.gnu.org/licenses/>.
16 Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19
20 Additional permission under GNU GPL version 3 section 7
21
22 If you modify this Program, or any covered work, by linking or
23 combining it with the OpenSSL project's OpenSSL library (or a modified
24 version of that library), containing parts covered by the terms of the
25 OpenSSL or SSLeay licenses, the licensors of this Program grant you
26 additional permission to convey the resulting work. Corresponding
27 Source for a non-source form of such a combination shall include the
28 source code for the parts of OpenSSL used as well as that of the
29 covered work.
17*/ 30*/
18 31
19#include "config.h" 32#include "config.h"
20 33
34// for gethostbyname
35#include <netdb.h>
36
37// for inet_aton
38#include <sys/socket.h>
39#include <netinet/in.h>
21#include <arpa/inet.h> 40#include <arpa/inet.h>
22#include <netdb.h>
23 41
24#include "gettext.h" 42#include "gettext.h"
25 43
26#include "sockinfo.h" 44#include "sockinfo.h"
27#include "slog.h" 45#include "slog.h"
28 46
47#include <cstring>
48#include <cstdio>
49
50// all ipv4-based protocols
51#define PROTv4 (PROT_UDPv4 | PROT_TCPv4 | PROT_ICMPv4 | PROT_IPv4 | PROT_DNSv4)
52
53void
29void sockinfo::set (const sockaddr_in *sa, u8 prot_) 54sockinfo::set (const sockaddr_in *sa, u8 prot_)
30{ 55{
31 host = sa->sin_addr.s_addr; 56 host = sa->sin_addr.s_addr;
32 port = prot_ == PROT_IPv4 ? 0 : sa->sin_port; 57 port = prot_ & (PROT_IPv4 | PROT_ICMPv4) ? 0 : sa->sin_port;
33 prot = prot_; 58 prot = prot_;
59}
60
61void
62sockinfo::set (const char *hostname, u16 port_, u8 prot_)
63{
64 prot = prot_;
65 host = 0;
66 port = htons (port_);
67
68 if (prot & PROTv4
69 && hostname)
70 {
71 struct in_addr in;
72 struct hostent *he;
73
74 if (inet_aton (hostname, &in))
75 host = in.s_addr;
76 else if ((he = gethostbyname (hostname))
77 && he->h_addrtype == AF_INET
78 && he->h_length == 4
79 && he->h_addr_list[0])
80 memcpy (&host, he->h_addr_list[0], 4); //sa->sin_family = he->h_addrtype;
81 else
82 slog (L_NOTICE, _("unable to resolve host '%s'"), hostname);
83 }
34} 84}
35 85
36void 86void
37sockinfo::set (const conf_node *conf, u8 prot_) 87sockinfo::set (const conf_node *conf, u8 prot_)
38{ 88{
39 prot = prot_; 89 if (prot_ == PROT_DNSv4)
40 host = 0; 90 {
91 host = htonl (conf->id); port = 0; prot = prot_;
92 }
93 else
94 set (conf->hostname,
41 port = prot == PROT_UDPv4 ? htons (conf->udp_port) 95 prot_ == PROT_UDPv4 ? conf->udp_port
42 : prot == PROT_TCPv4 ? htons (conf->tcp_port) 96 : prot_ == PROT_TCPv4 ? conf->tcp_port
97 : prot_ == PROT_DNSv4 ? conf->dns_port
43 : 0; 98 : 0,
44 99 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} 100}
60
61 101
62const sockaddr * 102const sockaddr *
63sockinfo::sav4() const 103sockinfo::sav4() const
64{ 104{
65 static sockaddr_in sa; 105 static sockaddr_in sa;
… …
69 sa.sin_addr.s_addr = host; 109 sa.sin_addr.s_addr = host;
70 110
71 return (const sockaddr *)&sa; 111 return (const sockaddr *)&sa;
72} 112}
73 113
74static char hostport[10 + 15 + 1 + 5 + 1]; // protype / IPv4 : port 114static char hostport[10 + 15 + 1 + 5 + 1]; // proto / IPv4 : port
75 115
76const char * 116const char *
77sockinfo::ntoa () const 117sockinfo::ntoa () const
78{ 118{
79 in_addr ia = { host }; 119 in_addr ia = { host };
… …
81 sprintf (hostport, "%.15s", inet_ntoa (ia)); 121 sprintf (hostport, "%.15s", inet_ntoa (ia));
82 122
83 return hostport; 123 return hostport;
84} 124}
85 125
126bool
127sockinfo::valid () const
128{
129 return (prot & THISNODE->protocols) && host;
130}
131
86sockinfo::operator const char *() const 132sockinfo::operator const char *() const
87{ 133{
88 in_addr ia = { host }; 134 in_addr ia = { host };
89 135
90 sprintf (hostport, "%s/%.15s:%d", strprotocol (prot), inet_ntoa (ia), ntohs (port) & 0xffff); 136 sprintf (hostport, "%s/%.15s:%d", strprotocol (prot), inet_ntoa (ia), ntohs (port) & 0xffff);
… …
95u8 141u8
96sockinfo::supported_protocols (conf_node *conf) 142sockinfo::supported_protocols (conf_node *conf)
97{ 143{
98 u8 protocols = prot; 144 u8 protocols = prot;
99 145
100 if (prot & (PROT_UDPv4 | PROT_TCPv4)) 146 if (prot & (PROT_IPv4 | PROT_ICMPv4 | PROT_UDPv4 | PROT_TCPv4))
101 protocols |= PROT_IPv4; 147 protocols |= PROT_IPv4 | PROT_ICMPv4;
102 148
103 if (conf 149 if (conf && prot & PROTv4)
104 && prot & (PROT_IPv4 | PROT_UDPv4 | PROT_TCPv4) 150 {
105 && conf->protocols & PROT_UDPv4 151 if (conf->protocols & PROT_UDPv4 && conf->udp_port)
106 && conf->udp_port)
107 protocols |= PROT_UDPv4; 152 protocols |= PROT_UDPv4;
108 153
109 if (conf 154 if (conf->protocols & PROT_TCPv4 && conf->tcp_port)
110 && prot & (PROT_IPv4 | PROT_UDPv4 | PROT_TCPv4)
111 && conf->protocols & PROT_TCPv4
112 && conf->tcp_port)
113 protocols |= PROT_TCPv4; 155 protocols |= PROT_TCPv4;
156
157 if (conf->protocols & PROT_DNSv4 && conf->dns_port)
158 protocols |= PROT_DNSv4;
159 }
114 160
115 return protocols; 161 return protocols;
116} 162}
117 163
118bool 164bool
119sockinfo::upgrade_protocol (u8 prot_, conf_node *conf) 165sockinfo::upgrade_protocol (u8 prot_, conf_node *conf)
120{ 166{
121 if (prot_ == prot) 167 if (prot_ == prot)
122 return true; 168 return true;
123 169
124 if (prot & (PROT_IPv4 | PROT_UDPv4 | PROT_TCPv4)
125 && prot_ & (PROT_IPv4 | PROT_UDPv4 | PROT_TCPv4))
126 {
127 if (prot_ & PROT_IPv4) 170 if (prot & PROTv4
171 && prot_ & PROTv4)
172 {
173 if (prot_ & (PROT_IPv4 | PROT_ICMPv4))
128 { 174 {
129 prot = prot_; 175 prot = prot_;
130 port = 0; 176 port = 0;
131 return true; 177 return true;
132 } 178 }

Diff Legend

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