| 1 | /* |
1 | /* |
| 2 | sockinfo.c -- socket address management |
2 | sockinfo.C -- socket address management |
| 3 | |
3 | |
| 4 | This program is free software; you can redistribute it and/or modify |
4 | This program is free software; you can redistribute it and/or modify |
| 5 | it under the terms of the GNU General Public License as published by |
5 | 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 |
6 | the Free Software Foundation; either version 2 of the License, or |
| 7 | (at your option) any later version. |
7 | (at your option) any later version. |
| … | |
… | |
| 16 | Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
16 | Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 17 | */ |
17 | */ |
| 18 | |
18 | |
| 19 | #include "config.h" |
19 | #include "config.h" |
| 20 | |
20 | |
| 21 | #include "arpa/inet.h" |
21 | #include <arpa/inet.h> |
|
|
22 | #include <netdb.h> |
| 22 | |
23 | |
| 23 | #include "gettext.h" |
24 | #include "gettext.h" |
| 24 | |
25 | |
| 25 | #include "sockinfo.h" |
26 | #include "sockinfo.h" |
| 26 | #include "slog.h" |
27 | #include "slog.h" |
| … | |
… | |
| 31 | port = prot_ == PROT_IPv4 ? 0 : sa->sin_port; |
32 | port = prot_ == PROT_IPv4 ? 0 : sa->sin_port; |
| 32 | prot = prot_; |
33 | prot = prot_; |
| 33 | } |
34 | } |
| 34 | |
35 | |
| 35 | void |
36 | void |
| 36 | sockinfo::set (const conf_node *conf) |
37 | sockinfo::set (const conf_node *conf, u8 prot_) |
| 37 | { |
38 | { |
|
|
39 | prot = prot_; |
| 38 | host = 0; |
40 | host = 0; |
| 39 | port = htons (conf->udp_port); |
41 | port = prot == PROT_UDPv4 ? htons (conf->udp_port) |
|
|
42 | : prot == PROT_TCPv4 ? htons (conf->tcp_port) |
|
|
43 | : 0; |
| 40 | |
44 | |
| 41 | if (conf->hostname) |
45 | if (prot && conf->hostname) |
| 42 | { |
46 | { |
| 43 | struct hostent *he = gethostbyname (conf->hostname); |
47 | struct hostent *he = gethostbyname (conf->hostname); |
| 44 | |
48 | |
| 45 | if (he |
49 | if (he |
| 46 | && he->h_addrtype == AF_INET && he->h_length == 4 && he->h_addr_list[0]) |
50 | && he->h_addrtype == AF_INET && he->h_length == 4 && he->h_addr_list[0]) |
| 47 | { |
51 | { |
| 48 | //sa->sin_family = he->h_addrtype; |
52 | //sa->sin_family = he->h_addrtype; |
| 49 | memcpy (&host, he->h_addr_list[0], 4); |
53 | memcpy (&host, he->h_addr_list[0], 4); |
| 50 | |
54 | |
| 51 | prot = PROT_UDPv4 | PROT_IPv4; |
|
|
| 52 | } |
55 | } |
| 53 | else |
56 | else |
| 54 | slog (L_NOTICE, _("unable to resolve host '%s'"), conf->hostname); |
57 | slog (L_NOTICE, _("unable to resolve host '%s'"), conf->hostname); |
| 55 | } |
58 | } |
| 56 | } |
59 | } |
| … | |
… | |
| 66 | sa.sin_addr.s_addr = host; |
69 | sa.sin_addr.s_addr = host; |
| 67 | |
70 | |
| 68 | return (const sockaddr *)&sa; |
71 | return (const sockaddr *)&sa; |
| 69 | } |
72 | } |
| 70 | |
73 | |
| 71 | static char hostport[15 + 1 + 5 + 1]; // IPv4 : port |
74 | static char hostport[10 + 15 + 1 + 5 + 1]; // protype / IPv4 : port |
| 72 | |
75 | |
| 73 | const char * |
76 | const char * |
| 74 | sockinfo::ntoa () const |
77 | sockinfo::ntoa () const |
| 75 | { |
78 | { |
| 76 | in_addr ia = { host }; |
79 | in_addr ia = { host }; |
| … | |
… | |
| 82 | |
85 | |
| 83 | sockinfo::operator const char *() const |
86 | sockinfo::operator const char *() const |
| 84 | { |
87 | { |
| 85 | in_addr ia = { host }; |
88 | in_addr ia = { host }; |
| 86 | |
89 | |
| 87 | sprintf (hostport, "%.15s:%d", inet_ntoa (ia), ntohs (port) & 0xffff); |
90 | sprintf (hostport, "%s/%.15s:%d", strprotocol (prot), inet_ntoa (ia), ntohs (port) & 0xffff); |
| 88 | |
91 | |
| 89 | return hostport; |
92 | return hostport; |
| 90 | } |
93 | } |
| 91 | |
94 | |
|
|
95 | u8 |
|
|
96 | sockinfo::supported_protocols (conf_node *conf) |
|
|
97 | { |
|
|
98 | u8 protocols = prot; |
|
|
99 | |
|
|
100 | if (prot & (PROT_UDPv4 | PROT_TCPv4)) |
|
|
101 | protocols |= PROT_IPv4; |
|
|
102 | |
|
|
103 | if (conf |
|
|
104 | && prot & (PROT_IPv4 | PROT_UDPv4 | PROT_TCPv4) |
|
|
105 | && conf->protocols & PROT_UDPv4 |
|
|
106 | && conf->udp_port) |
|
|
107 | protocols |= PROT_UDPv4; |
|
|
108 | |
|
|
109 | if (conf |
|
|
110 | && prot & (PROT_IPv4 | PROT_UDPv4 | PROT_TCPv4) |
|
|
111 | && conf->protocols & PROT_TCPv4 |
|
|
112 | && conf->tcp_port) |
|
|
113 | protocols |= PROT_TCPv4; |
|
|
114 | |
|
|
115 | return protocols; |
|
|
116 | } |
|
|
117 | |
|
|
118 | bool |
|
|
119 | sockinfo::upgrade_protocol (u8 prot_, conf_node *conf) |
|
|
120 | { |
|
|
121 | if (prot_ == prot) |
|
|
122 | return true; |
|
|
123 | |
|
|
124 | if (prot & (PROT_IPv4 | PROT_UDPv4 | PROT_TCPv4) |
|
|
125 | && prot_ & (PROT_IPv4 | PROT_UDPv4 | PROT_TCPv4)) |
|
|
126 | { |
|
|
127 | if (prot_ & PROT_IPv4) |
|
|
128 | { |
|
|
129 | prot = prot_; |
|
|
130 | port = 0; |
|
|
131 | return true; |
|
|
132 | } |
|
|
133 | |
|
|
134 | if (conf |
|
|
135 | && prot_ & PROT_UDPv4 |
|
|
136 | && conf->protocols & PROT_UDPv4 |
|
|
137 | && conf->udp_port) |
|
|
138 | { |
|
|
139 | prot = prot_; |
|
|
140 | port = htons (conf->udp_port); |
|
|
141 | return true; |
|
|
142 | } |
|
|
143 | |
|
|
144 | if (conf |
|
|
145 | && prot_ & PROT_TCPv4 |
|
|
146 | && conf->protocols & PROT_TCPv4 |
|
|
147 | && conf->tcp_port) |
|
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148 | { |
|
|
149 | prot = prot_; |
|
|
150 | port = htons (conf->tcp_port); |
|
|
151 | return true; |
|
|
152 | } |
|
|
153 | } |
|
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154 | |
|
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155 | return false; |
|
|
156 | } |
|
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157 | |
|
|
158 | bool |
|
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159 | operator == (const sockinfo &a, const sockinfo &b) |
|
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160 | { |
|
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161 | return a.host == b.host && a.port == b.port && a.prot == b.prot; |
|
|
162 | } |
|
|
163 | |
|
|
164 | bool |
|
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165 | operator < (const sockinfo &a, const sockinfo &b) |
|
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166 | { |
|
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167 | return a.host < b.host |
|
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168 | || (a.host == b.host && (a.port < b.port |
|
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169 | || (a.port == b.port && a.prot < b.prot))); |
|
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170 | } |
|
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171 | |
