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/cvs/rxvt-unicode/src/rxvtc.C
Revision: 1.33
Committed: Mon Feb 21 07:41:02 2011 UTC (13 years, 3 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.32: +1 -1 lines
Log Message:
the pcg is now the schmorp

File Contents

# Content
1 /*----------------------------------------------------------------------*
2 * File: rxvtc.C
3 *----------------------------------------------------------------------*
4 *
5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 2003-2006 Marc Lehmann <schmorp@schmorp.de>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 *----------------------------------------------------------------------*/
22
23 #include "../config.h"
24 #include <cstdio>
25 #include <cstdlib>
26 #include <cstring>
27 #include <csignal>
28
29 #include <unistd.h>
30 #include <sys/socket.h>
31 #include <sys/un.h>
32
33 #include "rxvtdaemon.h"
34 #include "libptytty.h"
35
36 #include "rxvt.h"
37
38 #define STATUS_SUCCESS 0
39 #define STATUS_FAILURE 1
40 #define STATUS_CONNECTION_FAILED 2
41
42 struct client : rxvt_connection
43 {
44 client ();
45 };
46
47 client::client ()
48 {
49 sockaddr_un sa;
50 char *sockname = rxvt_connection::unix_sockname ();
51
52 if (strlen (sockname) >= sizeof (sa.sun_path))
53 {
54 fputs ("socket name too long, aborting.\n", stderr);
55 exit (STATUS_FAILURE);
56 }
57
58 if ((fd = socket (AF_UNIX, SOCK_STREAM, 0)) < 0)
59 {
60 perror ("unable to create communications socket");
61 exit (STATUS_FAILURE);
62 }
63
64 sa.sun_family = AF_UNIX;
65 strcpy (sa.sun_path, sockname);
66 free (sockname);
67
68 if (connect (fd, (sockaddr *)&sa, sizeof (sa)))
69 {
70 perror ("unable to connect to the rxvt-unicode daemon");
71 exit (STATUS_CONNECTION_FAILED);
72 }
73 }
74
75 extern char **environ;
76
77 int
78 main (int argc, const char *const *argv)
79 {
80 // instead of getcwd we could opendir (".") and pass the fd for fchdir *g*
81 char cwd[PATH_MAX];
82
83 if (!getcwd (cwd, sizeof (cwd)))
84 {
85 perror ("unable to determine current working directory");
86 exit (STATUS_FAILURE);
87 }
88
89 client c;
90
91 {
92 sigset_t ss;
93
94 sigemptyset (&ss);
95 sigaddset (&ss, SIGHUP);
96 sigaddset (&ss, SIGPIPE);
97 sigprocmask (SIG_BLOCK, &ss, 0);
98 }
99
100 c.send ("NEW");
101
102 for (char **var = environ; *var; var++)
103 c.send ("ENV"), c.send (*var);
104
105 const char *base = strrchr (argv[0], '/');
106 base = base ? base + 1 : argv[0];
107 c.send ("ARG"), c.send (strcmp (base, RXVTNAME "c") ? base : RXVTNAME);
108
109 c.send ("ARG"), c.send ("-cd");
110 c.send ("ARG"), c.send (cwd);
111
112 for (int i = 1; i < argc; i++)
113 c.send ("ARG"), c.send (argv[i]);
114
115 c.send ("END");
116
117 auto_str tok;
118 int cint;
119
120 for (;;)
121 if (!c.recv (tok))
122 {
123 fprintf (stderr, "protocol error: unexpected eof from server.\n");
124 break;
125 }
126 else if (!strcmp (tok, "MSG") && c.recv (tok))
127 fprintf (stderr, "%s", (const char *)tok);
128 else if (!strcmp (tok, "GETFD") && c.recv (cint))
129 {
130 if (!ptytty::send_fd (c.fd, cint))
131 {
132 fprintf (stderr, "unable to send fd %d: ", cint); perror (0);
133 exit (STATUS_FAILURE);
134 }
135 }
136 else if (!strcmp (tok, "END"))
137 {
138 int success;
139
140 if (c.recv (success))
141 exit (success ? STATUS_SUCCESS : STATUS_FAILURE);
142 }
143 else
144 {
145 fprintf (stderr, "protocol error: received unsupported token '%s'.\n", (const char *)tok);
146 break;
147 }
148
149 return STATUS_FAILURE;
150 }
151