masqmail

annotate src/interface.c @ 20:afa373478034

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Added tag 0.2.21 for changeset 08114f7dcc23
author meillo@marmaro.de
date Thu, 04 Dec 2008 09:45:01 +0100
parents 08114f7dcc23
children 41958685480d
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 }