|
0
|
1 /* MasqMail
|
|
|
2 Copyright (C) 2000 Oliver Kurth
|
|
|
3
|
|
|
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 "masqmail.h"
|
|
|
20
|
|
|
21 /* define if you get problems... */
|
|
|
22 /*#define SOCKADDR_OLD 1*/
|
|
|
23
|
|
|
24 gboolean init_sockaddr(struct sockaddr_in *name, interface *iface)
|
|
|
25 {
|
|
|
26 struct hostent *he;
|
|
|
27 struct in_addr ia;
|
|
|
28
|
|
|
29 #ifdef SOCKADDR_OLD
|
|
|
30 /* here I tried to be intelligent and failed. */
|
|
|
31 if(isalpha(iface->address[0])){
|
|
|
32 if ((he = gethostbyname(iface->address)) == NULL) {
|
|
|
33 logwrite(LOG_ALERT,
|
|
|
34 "local address '%s' unknown. (deleting)\n",
|
|
|
35 iface->address);
|
|
|
36 return FALSE;
|
|
|
37 }
|
|
|
38 memcpy(&(name->sin_addr), he->h_addr, sizeof(name->sin_addr));
|
|
|
39 }else if(isdigit(iface->address[0])){
|
|
|
40 if(inet_aton(iface->address, &ia)){
|
|
|
41 memcpy(&(name->sin_addr), &ia, sizeof(name->sin_addr));
|
|
|
42 }else{
|
|
|
43 logwrite(LOG_ALERT,
|
|
|
44 "invalid address '%s': inet_aton() failed (deleting)\n",
|
|
|
45 iface->address);
|
|
|
46 return FALSE;
|
|
|
47 }
|
|
|
48 }else{
|
|
|
49 logwrite(LOG_ALERT,
|
|
|
50 "invalid address '%s', should begin with a aphanumeric (deleting)\n",
|
|
|
51 iface->address);
|
|
|
52 return FALSE;
|
|
|
53 }
|
|
|
54 #else
|
|
|
55 /* this is how others to it. I follow the crowd... */
|
|
|
56 if(inet_aton(iface->address, &ia) != 0){
|
|
|
57 /* IP address */
|
|
|
58 memcpy(&(name->sin_addr), &ia, sizeof(name->sin_addr));
|
|
|
59 }else{
|
|
|
60 if ((he = gethostbyname(iface->address)) == NULL) {
|
|
|
61 logwrite(LOG_ALERT, "local address '%s' unknown. (deleting)\n", iface->address);
|
|
|
62 return FALSE;
|
|
|
63 }
|
|
|
64 memcpy(&(name->sin_addr), he->h_addr, sizeof(name->sin_addr));
|
|
|
65 }
|
|
|
66 #endif
|
|
|
67 name->sin_family = AF_INET;
|
|
|
68 name->sin_port = htons(iface->port);
|
|
|
69
|
|
|
70 return TRUE;
|
|
|
71 }
|
|
|
72
|
|
|
73 int make_server_socket(interface *iface)
|
|
|
74 {
|
|
|
75 int sock = -1;
|
|
|
76 struct sockaddr_in server;
|
|
|
77
|
|
|
78 memset(&server, 0, sizeof(struct sockaddr_in));
|
|
|
79
|
|
|
80 /* Create the socket. */
|
|
|
81 sock = socket (PF_INET, SOCK_STREAM, 0);
|
|
|
82 if (sock < 0){
|
|
|
83 logwrite(LOG_ALERT, "socket: %s\n", strerror(errno));
|
|
|
84 return -1;
|
|
|
85 }
|
|
|
86
|
|
|
87 if(init_sockaddr(&server, iface)){
|
|
|
88 /* bind the socket */
|
|
|
89 if (bind (sock, (struct sockaddr *) &server, sizeof (server)) < 0){
|
|
|
90 logwrite(LOG_ALERT, "bind: %s\n", strerror(errno));
|
|
|
91 return -1;
|
|
|
92 }
|
|
|
93 }else{
|
|
|
94 close(sock);
|
|
|
95 return -1;
|
|
|
96 }
|
|
|
97
|
|
|
98 return sock;
|
|
|
99 }
|
