tadmin.c - vaccinewars - be a doctor and try to vaccinate the world
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tadmin.c (4138B)
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1 /************************************************************************
2 * admin.c dopewars server administration *
3 * Copyright (C) 1998-2021 Ben Webb *
4 * Email: benwebb@users.sf.net *
5 * WWW: https://dopewars.sourceforge.io/ *
6 * *
7 * This program is free software; you can redistribute it and/or *
8 * modify it under the terms of the GNU General Public License *
9 * as published by the Free Software Foundation; either version 2 *
10 * of the License, or (at your option) any later version. *
11 * *
12 * This program is distributed in the hope that it will be useful, *
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
15 * GNU General Public License for more details. *
16 * *
17 * You should have received a copy of the GNU General Public License *
18 * along with this program; if not, write to the Free Software *
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, *
20 * MA 02111-1307, USA. *
21 ************************************************************************/
22
23 #ifdef HAVE_CONFIG_H
24 #include <config.h>
25 #endif
26
27 #if !defined(CYGWIN) && defined(NETWORKING)
28 #include <sys/types.h>
29 #include <sys/socket.h>
30 #include <sys/un.h>
31 #ifdef HAVE_STDLIB_H
32 #include <stdlib.h>
33 #endif
34 #include <string.h>
35 #include <errno.h>
36 #include <stdio.h>
37 #include <glib.h>
38
39 #include "dopewars.h"
40 #include "network.h"
41 #include "nls.h"
42 #include "serverside.h"
43
44 static int OpenSocket(void)
45 {
46 struct sockaddr_un addr;
47 int sock;
48 gchar *sockname;
49
50 sockname = GetLocalSocket();
51
52 g_print(_("Attempting to connect to local dopewars server via "
53 "Unix domain\n socket %s...\n"), sockname);
54 sock = socket(PF_UNIX, SOCK_STREAM, 0);
55 if (sock == -1) {
56 perror("socket");
57 exit(EXIT_FAILURE);
58 }
59
60 addr.sun_family = AF_UNIX;
61 strncpy(addr.sun_path, sockname, sizeof(addr.sun_path));
62 addr.sun_path[sizeof(addr.sun_path) - 1] = '\0';
63
64 if (connect(sock, (struct sockaddr *)&addr,
65 sizeof(struct sockaddr_un)) == -1) {
66 perror("connect");
67 exit(EXIT_FAILURE);
68 }
69
70 g_print(_("Connection established; use Ctrl-D to "
71 "close your session.\n\n"));
72 g_free(sockname);
73
74 return sock;
75 }
76
77 void AdminServer(struct CMDLINE *cmdline)
78 {
79 int sock, topsock;
80 NetworkBuffer *netbuf;
81 fd_set readfds, writefds, errorfds;
82 gchar *msg, inbuf[200];
83 gboolean doneOK;
84
85 InitConfiguration(cmdline);
86
87 sock = OpenSocket();
88 netbuf = g_new(NetworkBuffer, 1);
89
90 InitNetworkBuffer(netbuf, '\n', '\r', NULL);
91 BindNetworkBufferToSocket(netbuf, sock);
92
93 while (1) {
94 FD_ZERO(&readfds);
95 FD_ZERO(&writefds);
96 FD_ZERO(&errorfds);
97
98 FD_SET(0, &readfds);
99 topsock = 1;
100 SetSelectForNetworkBuffer(netbuf, &readfds, &writefds, &errorfds,
101 &topsock);
102
103 if (select(topsock, &readfds, &writefds, &errorfds, NULL) == -1) {
104 if (errno == EINTR)
105 continue;
106 else
107 perror("select");
108 break;
109 }
110
111 if (FD_ISSET(0, &readfds)) {
112 if (fgets(inbuf, sizeof(inbuf), stdin)) {
113 inbuf[sizeof(inbuf) - 1] = '\0';
114 if (strlen(inbuf) > 0) {
115 if (inbuf[strlen(inbuf) - 1] == '\n')
116 inbuf[strlen(inbuf) - 1] = '\0';
117 QueueMessageForSend(netbuf, inbuf);
118 }
119 } else
120 break;
121 }
122
123 if (RespondToSelect(netbuf, &readfds, &writefds, &errorfds, &doneOK)) {
124 while ((msg = GetWaitingMessage(netbuf)) != NULL) {
125 g_print("%s\n", msg);
126 g_free(msg);
127 }
128 }
129 if (!doneOK)
130 break;
131 }
132 ShutdownNetworkBuffer(netbuf);
133 g_free(netbuf);
134 g_print("Connection closed\n");
135 }
136 #endif