| 1 |
pcg |
1.1 |
/* |
| 2 |
pcg |
1.4 |
sockinfo.C -- socket address management |
| 3 |
pcg |
1.1 |
|
| 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 |
| 6 |
|
|
the Free Software Foundation; either version 2 of the License, or |
| 7 |
|
|
(at your option) any later version. |
| 8 |
|
|
|
| 9 |
|
|
This program is distributed in the hope that it will be useful, |
| 10 |
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 |
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 |
|
|
GNU General Public License for more details. |
| 13 |
|
|
|
| 14 |
|
|
You should have received a copy of the GNU General Public License |
| 15 |
|
|
along with this program; if not, write to the Free Software |
| 16 |
|
|
Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 17 |
|
|
*/ |
| 18 |
|
|
|
| 19 |
|
|
#include "config.h" |
| 20 |
|
|
|
| 21 |
pcg |
1.2 |
#include <arpa/inet.h> |
| 22 |
|
|
#include <netdb.h> |
| 23 |
pcg |
1.1 |
|
| 24 |
|
|
#include "gettext.h" |
| 25 |
|
|
|
| 26 |
|
|
#include "sockinfo.h" |
| 27 |
|
|
#include "slog.h" |
| 28 |
|
|
|
| 29 |
|
|
void sockinfo::set (const sockaddr_in *sa, u8 prot_) |
| 30 |
|
|
{ |
| 31 |
|
|
host = sa->sin_addr.s_addr; |
| 32 |
|
|
port = prot_ == PROT_IPv4 ? 0 : sa->sin_port; |
| 33 |
|
|
prot = prot_; |
| 34 |
|
|
} |
| 35 |
|
|
|
| 36 |
pcg |
1.8 |
void sockinfo::set (const char *hostname, u16 port_, u8 prot_) |
| 37 |
pcg |
1.1 |
{ |
| 38 |
pcg |
1.3 |
prot = prot_; |
| 39 |
pcg |
1.1 |
host = 0; |
| 40 |
pcg |
1.8 |
port = htons (port_); |
| 41 |
pcg |
1.1 |
|
| 42 |
pcg |
1.7 |
if (prot & (PROT_UDPv4 | PROT_TCPv4 | PROT_IPv4) |
| 43 |
pcg |
1.8 |
&& hostname) |
| 44 |
pcg |
1.1 |
{ |
| 45 |
pcg |
1.8 |
struct hostent *he = gethostbyname (hostname); |
| 46 |
pcg |
1.1 |
|
| 47 |
|
|
if (he |
| 48 |
|
|
&& he->h_addrtype == AF_INET && he->h_length == 4 && he->h_addr_list[0]) |
| 49 |
|
|
{ |
| 50 |
|
|
//sa->sin_family = he->h_addrtype; |
| 51 |
|
|
memcpy (&host, he->h_addr_list[0], 4); |
| 52 |
|
|
} |
| 53 |
|
|
else |
| 54 |
pcg |
1.8 |
slog (L_NOTICE, _("unable to resolve host '%s'"), hostname); |
| 55 |
pcg |
1.1 |
} |
| 56 |
|
|
} |
| 57 |
|
|
|
| 58 |
pcg |
1.8 |
void |
| 59 |
|
|
sockinfo::set (const conf_node *conf, u8 prot_) |
| 60 |
|
|
{ |
| 61 |
|
|
set (conf->hostname, |
| 62 |
|
|
prot_ == PROT_UDPv4 ? conf->udp_port |
| 63 |
|
|
: prot_ == PROT_TCPv4 ? conf->tcp_port |
| 64 |
|
|
: 0, |
| 65 |
|
|
prot_); |
| 66 |
|
|
} |
| 67 |
pcg |
1.1 |
|
| 68 |
|
|
const sockaddr * |
| 69 |
|
|
sockinfo::sav4() const |
| 70 |
|
|
{ |
| 71 |
|
|
static sockaddr_in sa; |
| 72 |
|
|
|
| 73 |
|
|
sa.sin_family = AF_INET; |
| 74 |
|
|
sa.sin_port = port; |
| 75 |
|
|
sa.sin_addr.s_addr = host; |
| 76 |
|
|
|
| 77 |
|
|
return (const sockaddr *)&sa; |
| 78 |
|
|
} |
| 79 |
|
|
|
| 80 |
pcg |
1.8 |
static char hostport[10 + 15 + 1 + 5 + 1]; // proto / IPv4 : port |
| 81 |
pcg |
1.1 |
|
| 82 |
|
|
const char * |
| 83 |
|
|
sockinfo::ntoa () const |
| 84 |
|
|
{ |
| 85 |
|
|
in_addr ia = { host }; |
| 86 |
|
|
|
| 87 |
|
|
sprintf (hostport, "%.15s", inet_ntoa (ia)); |
| 88 |
|
|
|
| 89 |
|
|
return hostport; |
| 90 |
|
|
} |
| 91 |
|
|
|
| 92 |
|
|
sockinfo::operator const char *() const |
| 93 |
|
|
{ |
| 94 |
|
|
in_addr ia = { host }; |
| 95 |
|
|
|
| 96 |
pcg |
1.4 |
sprintf (hostport, "%s/%.15s:%d", strprotocol (prot), inet_ntoa (ia), ntohs (port) & 0xffff); |
| 97 |
pcg |
1.1 |
|
| 98 |
|
|
return hostport; |
| 99 |
pcg |
1.4 |
} |
| 100 |
|
|
|
| 101 |
pcg |
1.5 |
u8 |
| 102 |
|
|
sockinfo::supported_protocols (conf_node *conf) |
| 103 |
|
|
{ |
| 104 |
|
|
u8 protocols = prot; |
| 105 |
|
|
|
| 106 |
|
|
if (prot & (PROT_UDPv4 | PROT_TCPv4)) |
| 107 |
|
|
protocols |= PROT_IPv4; |
| 108 |
|
|
|
| 109 |
|
|
if (conf |
| 110 |
|
|
&& prot & (PROT_IPv4 | PROT_UDPv4 | PROT_TCPv4) |
| 111 |
|
|
&& conf->protocols & PROT_UDPv4 |
| 112 |
|
|
&& conf->udp_port) |
| 113 |
|
|
protocols |= PROT_UDPv4; |
| 114 |
|
|
|
| 115 |
|
|
if (conf |
| 116 |
|
|
&& prot & (PROT_IPv4 | PROT_UDPv4 | PROT_TCPv4) |
| 117 |
|
|
&& conf->protocols & PROT_TCPv4 |
| 118 |
|
|
&& conf->tcp_port) |
| 119 |
|
|
protocols |= PROT_TCPv4; |
| 120 |
|
|
|
| 121 |
|
|
return protocols; |
| 122 |
|
|
} |
| 123 |
|
|
|
| 124 |
|
|
bool |
| 125 |
|
|
sockinfo::upgrade_protocol (u8 prot_, conf_node *conf) |
| 126 |
|
|
{ |
| 127 |
|
|
if (prot_ == prot) |
| 128 |
|
|
return true; |
| 129 |
|
|
|
| 130 |
|
|
if (prot & (PROT_IPv4 | PROT_UDPv4 | PROT_TCPv4) |
| 131 |
|
|
&& prot_ & (PROT_IPv4 | PROT_UDPv4 | PROT_TCPv4)) |
| 132 |
|
|
{ |
| 133 |
|
|
if (prot_ & PROT_IPv4) |
| 134 |
|
|
{ |
| 135 |
|
|
prot = prot_; |
| 136 |
|
|
port = 0; |
| 137 |
|
|
return true; |
| 138 |
|
|
} |
| 139 |
|
|
|
| 140 |
|
|
if (conf |
| 141 |
|
|
&& prot_ & PROT_UDPv4 |
| 142 |
|
|
&& conf->protocols & PROT_UDPv4 |
| 143 |
|
|
&& conf->udp_port) |
| 144 |
|
|
{ |
| 145 |
|
|
prot = prot_; |
| 146 |
pcg |
1.6 |
port = htons (conf->udp_port); |
| 147 |
pcg |
1.5 |
return true; |
| 148 |
|
|
} |
| 149 |
|
|
|
| 150 |
|
|
if (conf |
| 151 |
|
|
&& prot_ & PROT_TCPv4 |
| 152 |
|
|
&& conf->protocols & PROT_TCPv4 |
| 153 |
|
|
&& conf->tcp_port) |
| 154 |
|
|
{ |
| 155 |
|
|
prot = prot_; |
| 156 |
pcg |
1.6 |
port = htons (conf->tcp_port); |
| 157 |
pcg |
1.5 |
return true; |
| 158 |
|
|
} |
| 159 |
|
|
} |
| 160 |
|
|
|
| 161 |
|
|
return false; |
| 162 |
|
|
} |
| 163 |
|
|
|
| 164 |
pcg |
1.4 |
bool |
| 165 |
|
|
operator == (const sockinfo &a, const sockinfo &b) |
| 166 |
|
|
{ |
| 167 |
|
|
return a.host == b.host && a.port == b.port && a.prot == b.prot; |
| 168 |
|
|
} |
| 169 |
|
|
|
| 170 |
|
|
bool |
| 171 |
|
|
operator < (const sockinfo &a, const sockinfo &b) |
| 172 |
|
|
{ |
| 173 |
|
|
return a.host < b.host |
| 174 |
|
|
|| (a.host == b.host && (a.port < b.port |
| 175 |
|
|
|| (a.port == b.port && a.prot < b.prot))); |
| 176 |
pcg |
1.1 |
} |
| 177 |
|
|
|
