1 /* This program is free software; you can redistribute it and/or modify
2 it under the terms of the GNU General Public License as published by
3 the Free Software Foundation; either version 2, or (at your option)
4 any later version.
5
6 This program is distributed in the hope that it will be useful,
7 but WITHOUT ANY WARRANTY; without even the implied warranty of
8 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9 GNU General Public License for more details. */
10
11 #include <assert.h>
12 #include "cvs.h"
13 #include "rcmd.h"
14
15 #include <sys/types.h>
16 #include <sys/socket.h>
17 #include <netdb.h>
18
19 #include "options.h"
20
21 static char *cvs_server;
22 static char *command;
23
24 extern int trace;
25
26 void
os2_start_server(int * tofd,int * fromfd,char * client_user,char * server_user,char * server_host,char * server_cvsroot)27 os2_start_server (int *tofd, int *fromfd,
28 char *client_user,
29 char *server_user,
30 char *server_host,
31 char *server_cvsroot)
32 {
33 int fd, port;
34 char *portenv;
35 struct servent *sptr;
36 const char *rcmd_host = (const char *) server_host;
37
38 if (! (cvs_server = getenv ("CVS_SERVER")))
39 cvs_server = "cvs";
40 command = xmalloc (strlen (cvs_server)
41 + strlen (server_cvsroot)
42 + 50);
43 sprintf (command, "%s server", cvs_server);
44
45 portenv = getenv ("CVS_RCMD_PORT");
46 if (portenv)
47 port = atoi (portenv);
48 else if ((sptr = getservbyname ("shell", "tcp")) != NULL)
49 port = sptr->s_port;
50 else
51 port = 514; /* shell/tcp */
52
53 if (trace)
54 {
55 fprintf (stderr, "os2_start_server(): connecting to %s:%d\n",
56 server_host, port);
57 fprintf (stderr, "local_user = %s, remote_user = %s, CVSROOT = %s\n",
58 client_user, (server_user ? server_user : client_user),
59 server_cvsroot);
60 }
61
62 fd = rcmd (&rcmd_host, port,
63 client_user,
64 (server_user ? server_user : client_user),
65 command, 0);
66
67 if (fd < 0)
68 error (1, errno, "cannot start server via rcmd()");
69
70 *tofd = fd;
71 *fromfd = fd;
72 free (command);
73 }
74
75 void
os2_shutdown_server(int fd)76 os2_shutdown_server (int fd)
77 {
78 /* FIXME: shutdown on files seems to have no bad effects */
79 if (shutdown (fd, 2) < 0 && errno != ENOTSOCK)
80 error (1, 0, "couldn't shutdown server connection");
81 if (close (fd) < 0)
82 error (1, 0, "couldn't close server connection");
83 }
84
85