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annotate src/interface.c @ 209:10da50168dab

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replaced the MD5 implementation with the one of Solar Designer Until now, the sample code of RFC 1321 was used. It had an ugly license. Now we use the implementation of Solar Designer, which is in the Public Domain. http://openwall.info/wiki/people/solar/software/public-domain-source-code/md5
author meillo@marmaro.de
date Sun, 18 Jul 2010 21:58:15 +0200
parents 26e34ae9a3e3
children 41958685480d
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08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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1 /* MasqMail
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2 Copyright (C) 2000 Oliver Kurth
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3
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4 This program is free software; you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation; either version 2 of the License, or
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7 (at your option) any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with this program; if not, write to the Free Software
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16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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17 */
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18
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19 #include "masqmail.h"
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20
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21 /* define if you get problems... */
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22 /*#define SOCKADDR_OLD 1*/
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23
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24 gboolean
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25 init_sockaddr(struct sockaddr_in * name, interface * iface)
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26 {
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27 struct hostent *he;
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28 struct in_addr ia;
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29
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30 #ifdef SOCKADDR_OLD
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31 /* here I tried to be intelligent and failed. */
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32 if (isalpha(iface->address[0])) {
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33 if ((he = gethostbyname(iface->address)) == NULL) {
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34 logwrite(LOG_ALERT, "local address '%s' unknown. (deleting)\n", iface->address);
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35 return FALSE;
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36 }
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37 memcpy(&(name->sin_addr), he->h_addr, sizeof(name->sin_addr));
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38 } else if (isdigit(iface->address[0])) {
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39 if (inet_aton(iface->address, &ia)) {
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40 memcpy(&(name->sin_addr), &ia, sizeof(name->sin_addr));
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41 } else {
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42 logwrite(LOG_ALERT, "invalid address '%s': inet_aton() failed (deleting)\n", iface->address);
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43 return FALSE;
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44 }
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45 } else {
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46 logwrite(LOG_ALERT, "invalid address '%s', should begin with a aphanumeric (deleting)\n", iface->address);
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47 return FALSE;
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48 }
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49 #else
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50 /* this is how others to it. I follow the crowd... */
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51 if (inet_aton(iface->address, &ia) != 0) {
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52 /* IP address */
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53 memcpy(&(name->sin_addr), &ia, sizeof(name->sin_addr));
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54 } else {
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55 if ((he = gethostbyname(iface->address)) == NULL) {
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56 logwrite(LOG_ALERT, "local address '%s' unknown. (deleting)\n", iface->address);
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57 return FALSE;
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58 }
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59 memcpy(&(name->sin_addr), he->h_addr, sizeof(name->sin_addr));
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60 }
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61 #endif
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62 name->sin_family = AF_INET;
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63 name->sin_port = htons(iface->port);
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64
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65 return TRUE;
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66 }
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67
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68 int
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69 make_server_socket(interface * iface)
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70 {
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71 int sock = -1;
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72 struct sockaddr_in server;
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73
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74 memset(&server, 0, sizeof(struct sockaddr_in));
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75
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76 /* Create the socket. */
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77 sock = socket(PF_INET, SOCK_STREAM, 0);
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78 if (sock < 0) {
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79 logwrite(LOG_ALERT, "socket: %s\n", strerror(errno));
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80 return -1;
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81 }
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82
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83 if (init_sockaddr(&server, iface)) {
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84 /* bind the socket */
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85 if (bind(sock, (struct sockaddr *) &server, sizeof(server)) < 0) {
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86 logwrite(LOG_ALERT, "bind: %s\n", strerror(errno));
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87 return -1;
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88 }
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89 } else {
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90 close(sock);
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91 return -1;
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92 }
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93
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94 return sock;
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95 }