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/cvs/rxvt-unicode/src/rxvtc.C
Revision: 1.27
Committed: Fri Aug 18 23:03:31 2006 UTC (17 years, 10 months ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: rel-8_0, rel-8_1, rel-8_2, rel-8_3, rel-8_4
Changes since 1.26: +1 -0 lines
Log Message:
*** empty log message ***

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 <pcg@goof.com>
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 client ();
44 };
45
46 client::client ()
47 {
48 sockaddr_un sa;
49 char *sockname = rxvt_connection::unix_sockname ();
50
51 if (strlen(sockname) >= sizeof(sa.sun_path))
52 {
53 fputs ("socket name too long, aborting.\n", stderr);
54 exit (STATUS_FAILURE);
55 }
56
57 if ((fd = socket (AF_UNIX, SOCK_STREAM, 0)) < 0)
58 {
59 perror ("unable to create communications socket");
60 exit (STATUS_FAILURE);
61 }
62
63 sa.sun_family = AF_UNIX;
64 strcpy (sa.sun_path, sockname);
65 free (sockname);
66
67 if (connect (fd, (sockaddr *)&sa, sizeof (sa)))
68 {
69 perror ("unable to connect to the rxvt-unicode daemon");
70 exit (STATUS_CONNECTION_FAILED);
71 }
72 }
73
74 extern char **environ;
75
76 int
77 main (int argc, const char *const *argv)
78 {
79 client c;
80 {
81 sigset_t ss;
82
83 sigemptyset (&ss);
84 sigaddset (&ss, SIGHUP);
85 sigaddset (&ss, SIGPIPE);
86 sigprocmask (SIG_BLOCK, &ss, 0);
87 }
88
89 c.send ("NEW");
90
91 // instead of getcwd we could opendir (".") and pass the fd for fchdir *g*
92 char cwd[PATH_MAX];
93
94 if (!getcwd (cwd, sizeof (cwd)))
95 {
96 perror ("unable to determine current working directory");
97 exit (STATUS_FAILURE);
98 }
99
100 c.send ("CWD"), c.send (cwd);
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 for (int i = 1; i < argc; i++)
110 c.send ("ARG"), c.send (argv[i]);
111
112 c.send ("END");
113
114 auto_str tok;
115 int cint;
116
117 for (;;)
118 if (!c.recv (tok))
119 {
120 fprintf (stderr, "protocol error: unexpected eof from server.\n");
121 break;
122 }
123 else if (!strcmp (tok, "MSG") && c.recv (tok))
124 fprintf (stderr, "%s", (const char *)tok);
125 else if (!strcmp (tok, "GETFD") && c.recv (cint))
126 {
127 if (!ptytty::send_fd (c.fd, cint))
128 {
129 fprintf (stderr, "unable to send fd %d: ", cint); perror (0);
130 exit (STATUS_FAILURE);
131 }
132 }
133 else if (!strcmp (tok, "END"))
134 {
135 int success;
136
137 if (c.recv (success))
138 exit (success ? STATUS_SUCCESS : STATUS_FAILURE);
139 }
140 else
141 {
142 fprintf (stderr, "protocol error: received unsupported token '%s'.\n", (const char *)tok);
143 break;
144 }
145
146 return STATUS_FAILURE;
147 }
148