masqmail-0.2

annotate src/interface.c @ 170:0f0e4e7cd762

added misc/list-versions This script helps to check if the versions numbers in the project are the same as the one for the release. This script is motivated by the 0.2.27 release in which masqmail introduces itself as being version 0.2.26.
author meillo@marmaro.de
date Mon, 19 Jul 2010 14:01:13 +0200
parents 08114f7dcc23
children
rev   line source
meillo@0 1 /* MasqMail
meillo@0 2 Copyright (C) 2000 Oliver Kurth
meillo@0 3
meillo@0 4 This program is free software; you can redistribute it and/or modify
meillo@0 5 it under the terms of the GNU General Public License as published by
meillo@0 6 the Free Software Foundation; either version 2 of the License, or
meillo@0 7 (at your option) any later version.
meillo@0 8
meillo@0 9 This program is distributed in the hope that it will be useful,
meillo@0 10 but WITHOUT ANY WARRANTY; without even the implied warranty of
meillo@0 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
meillo@0 12 GNU General Public License for more details.
meillo@0 13
meillo@0 14 You should have received a copy of the GNU General Public License
meillo@0 15 along with this program; if not, write to the Free Software
meillo@0 16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
meillo@0 17 */
meillo@0 18
meillo@0 19 #include "masqmail.h"
meillo@0 20
meillo@0 21 /* define if you get problems... */
meillo@0 22 /*#define SOCKADDR_OLD 1*/
meillo@0 23
meillo@10 24 gboolean
meillo@10 25 init_sockaddr(struct sockaddr_in * name, interface * iface)
meillo@0 26 {
meillo@10 27 struct hostent *he;
meillo@10 28 struct in_addr ia;
meillo@10 29
meillo@0 30 #ifdef SOCKADDR_OLD
meillo@10 31 /* here I tried to be intelligent and failed. */
meillo@10 32 if (isalpha(iface->address[0])) {
meillo@10 33 if ((he = gethostbyname(iface->address)) == NULL) {
meillo@10 34 logwrite(LOG_ALERT, "local address '%s' unknown. (deleting)\n", iface->address);
meillo@10 35 return FALSE;
meillo@10 36 }
meillo@10 37 memcpy(&(name->sin_addr), he->h_addr, sizeof(name->sin_addr));
meillo@10 38 } else if (isdigit(iface->address[0])) {
meillo@10 39 if (inet_aton(iface->address, &ia)) {
meillo@10 40 memcpy(&(name->sin_addr), &ia, sizeof(name->sin_addr));
meillo@10 41 } else {
meillo@10 42 logwrite(LOG_ALERT, "invalid address '%s': inet_aton() failed (deleting)\n", iface->address);
meillo@10 43 return FALSE;
meillo@10 44 }
meillo@10 45 } else {
meillo@10 46 logwrite(LOG_ALERT, "invalid address '%s', should begin with a aphanumeric (deleting)\n", iface->address);
meillo@10 47 return FALSE;
meillo@10 48 }
meillo@0 49 #else
meillo@10 50 /* this is how others to it. I follow the crowd... */
meillo@10 51 if (inet_aton(iface->address, &ia) != 0) {
meillo@10 52 /* IP address */
meillo@10 53 memcpy(&(name->sin_addr), &ia, sizeof(name->sin_addr));
meillo@10 54 } else {
meillo@10 55 if ((he = gethostbyname(iface->address)) == NULL) {
meillo@10 56 logwrite(LOG_ALERT, "local address '%s' unknown. (deleting)\n", iface->address);
meillo@10 57 return FALSE;
meillo@10 58 }
meillo@10 59 memcpy(&(name->sin_addr), he->h_addr, sizeof(name->sin_addr));
meillo@10 60 }
meillo@0 61 #endif
meillo@10 62 name->sin_family = AF_INET;
meillo@10 63 name->sin_port = htons(iface->port);
meillo@0 64
meillo@10 65 return TRUE;
meillo@0 66 }
meillo@0 67
meillo@10 68 int
meillo@10 69 make_server_socket(interface * iface)
meillo@0 70 {
meillo@10 71 int sock = -1;
meillo@10 72 struct sockaddr_in server;
meillo@0 73
meillo@10 74 memset(&server, 0, sizeof(struct sockaddr_in));
meillo@10 75
meillo@10 76 /* Create the socket. */
meillo@10 77 sock = socket(PF_INET, SOCK_STREAM, 0);
meillo@10 78 if (sock < 0) {
meillo@10 79 logwrite(LOG_ALERT, "socket: %s\n", strerror(errno));
meillo@10 80 return -1;
meillo@10 81 }
meillo@10 82
meillo@10 83 if (init_sockaddr(&server, iface)) {
meillo@10 84 /* bind the socket */
meillo@10 85 if (bind(sock, (struct sockaddr *) &server, sizeof(server)) < 0) {
meillo@10 86 logwrite(LOG_ALERT, "bind: %s\n", strerror(errno));
meillo@10 87 return -1;
meillo@10 88 }
meillo@10 89 } else {
meillo@10 90 close(sock);
meillo@10 91 return -1;
meillo@10 92 }
meillo@10 93
meillo@10 94 return sock;
meillo@0 95 }