masqmail-0.2
diff src/interface.c @ 0:08114f7dcc23
this is masqmail-0.2.21 from oliver kurth
author | meillo@marmaro.de |
---|---|
date | Fri, 26 Sep 2008 17:05:23 +0200 |
parents | |
children | 26e34ae9a3e3 |
line diff
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/interface.c Fri Sep 26 17:05:23 2008 +0200 1.3 @@ -0,0 +1,99 @@ 1.4 +/* MasqMail 1.5 + Copyright (C) 2000 Oliver Kurth 1.6 + 1.7 + This program is free software; you can redistribute it and/or modify 1.8 + it under the terms of the GNU General Public License as published by 1.9 + the Free Software Foundation; either version 2 of the License, or 1.10 + (at your option) any later version. 1.11 + 1.12 + This program is distributed in the hope that it will be useful, 1.13 + but WITHOUT ANY WARRANTY; without even the implied warranty of 1.14 + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1.15 + GNU General Public License for more details. 1.16 + 1.17 + You should have received a copy of the GNU General Public License 1.18 + along with this program; if not, write to the Free Software 1.19 + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 1.20 +*/ 1.21 + 1.22 +#include "masqmail.h" 1.23 + 1.24 +/* define if you get problems... */ 1.25 +/*#define SOCKADDR_OLD 1*/ 1.26 + 1.27 +gboolean init_sockaddr(struct sockaddr_in *name, interface *iface) 1.28 +{ 1.29 + struct hostent *he; 1.30 + struct in_addr ia; 1.31 + 1.32 +#ifdef SOCKADDR_OLD 1.33 + /* here I tried to be intelligent and failed. */ 1.34 + if(isalpha(iface->address[0])){ 1.35 + if ((he = gethostbyname(iface->address)) == NULL) { 1.36 + logwrite(LOG_ALERT, 1.37 + "local address '%s' unknown. (deleting)\n", 1.38 + iface->address); 1.39 + return FALSE; 1.40 + } 1.41 + memcpy(&(name->sin_addr), he->h_addr, sizeof(name->sin_addr)); 1.42 + }else if(isdigit(iface->address[0])){ 1.43 + if(inet_aton(iface->address, &ia)){ 1.44 + memcpy(&(name->sin_addr), &ia, sizeof(name->sin_addr)); 1.45 + }else{ 1.46 + logwrite(LOG_ALERT, 1.47 + "invalid address '%s': inet_aton() failed (deleting)\n", 1.48 + iface->address); 1.49 + return FALSE; 1.50 + } 1.51 + }else{ 1.52 + logwrite(LOG_ALERT, 1.53 + "invalid address '%s', should begin with a aphanumeric (deleting)\n", 1.54 + iface->address); 1.55 + return FALSE; 1.56 + } 1.57 +#else 1.58 + /* this is how others to it. I follow the crowd... */ 1.59 + if(inet_aton(iface->address, &ia) != 0){ 1.60 + /* IP address */ 1.61 + memcpy(&(name->sin_addr), &ia, sizeof(name->sin_addr)); 1.62 + }else{ 1.63 + if ((he = gethostbyname(iface->address)) == NULL) { 1.64 + logwrite(LOG_ALERT, "local address '%s' unknown. (deleting)\n", iface->address); 1.65 + return FALSE; 1.66 + } 1.67 + memcpy(&(name->sin_addr), he->h_addr, sizeof(name->sin_addr)); 1.68 + } 1.69 +#endif 1.70 + name->sin_family = AF_INET; 1.71 + name->sin_port = htons(iface->port); 1.72 + 1.73 + return TRUE; 1.74 +} 1.75 + 1.76 +int make_server_socket(interface *iface) 1.77 +{ 1.78 + int sock = -1; 1.79 + struct sockaddr_in server; 1.80 + 1.81 + memset(&server, 0, sizeof(struct sockaddr_in)); 1.82 + 1.83 + /* Create the socket. */ 1.84 + sock = socket (PF_INET, SOCK_STREAM, 0); 1.85 + if (sock < 0){ 1.86 + logwrite(LOG_ALERT, "socket: %s\n", strerror(errno)); 1.87 + return -1; 1.88 + } 1.89 + 1.90 + if(init_sockaddr(&server, iface)){ 1.91 + /* bind the socket */ 1.92 + if (bind (sock, (struct sockaddr *) &server, sizeof (server)) < 0){ 1.93 + logwrite(LOG_ALERT, "bind: %s\n", strerror(errno)); 1.94 + return -1; 1.95 + } 1.96 + }else{ 1.97 + close(sock); 1.98 + return -1; 1.99 + } 1.100 + 1.101 + return sock; 1.102 +}