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/cvs/rxvt-unicode/src/rxvtc.C
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Comparing rxvt-unicode/src/rxvtc.C (file contents):
Revision 1.3 by pcg, Tue Nov 25 11:52:42 2003 UTC vs.
Revision 1.31 by ayin, Tue Jan 8 17:05:11 2008 UTC

1#include "rxvtdaemon.h" 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 *----------------------------------------------------------------------*/
2 22
23#include "../config.h"
3#include <cstdio> 24#include <cstdio>
4#include <cstdlib> 25#include <cstdlib>
26#include <cstring>
27#include <csignal>
5 28
6#include <unistd.h> 29#include <unistd.h>
7#include <signal.h>
8#include <sys/socket.h> 30#include <sys/socket.h>
9#include <sys/un.h> 31#include <sys/un.h>
10 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
11struct client : rxvt_connection { 42struct client : rxvt_connection
43{
12 client (); 44 client ();
13}; 45};
14 46
15client::client () 47client::client ()
16{ 48{
17 if ((fd = socket (PF_LOCAL, SOCK_STREAM, 0)) < 0) 49 sockaddr_un sa;
50 char *sockname = rxvt_connection::unix_sockname ();
51
52 if (strlen (sockname) >= sizeof (sa.sun_path))
18 { 53 {
19 perror ("unable to create listening socket"); 54 fputs ("socket name too long, aborting.\n", stderr);
20 exit (EXIT_FAILURE); 55 exit (STATUS_FAILURE);
21 } 56 }
22 57
23 sockaddr_un sa; 58 if ((fd = socket (AF_UNIX, SOCK_STREAM, 0)) < 0)
59 {
60 perror ("unable to create communications socket");
61 exit (STATUS_FAILURE);
62 }
24 63
25 sa.sun_family = AF_UNIX; 64 sa.sun_family = AF_UNIX;
26 strcpy (sa.sun_path, rxvt_connection::unix_sockname ()); 65 strcpy (sa.sun_path, sockname);
66 free (sockname);
27 67
28 if (connect (fd, (sockaddr *)&sa, sizeof (sa))) 68 if (connect (fd, (sockaddr *)&sa, sizeof (sa)))
29 { 69 {
30 perror ("unable to bind listening socket"); 70 perror ("unable to connect to the rxvt-unicode daemon");
31 exit (EXIT_FAILURE); 71 exit (STATUS_CONNECTION_FAILED);
32 } 72 }
33} 73}
34 74
35extern char **environ; 75extern char **environ;
36 76
37int 77int
38main(int argc, const char *const *argv) 78main (int argc, const char *const *argv)
39{ 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
40 client c; 89 client c;
41 char buf[PATH_MAX];
42 90
43 { 91 {
44 sigset_t ss; 92 sigset_t ss;
45 93
94 sigemptyset (&ss);
46 sigaddset (&ss, SIGHUP); 95 sigaddset (&ss, SIGHUP);
96 sigaddset (&ss, SIGPIPE);
47 sigprocmask (SIG_BLOCK, &ss, 0); 97 sigprocmask (SIG_BLOCK, &ss, 0);
48 } 98 }
49 99
50 c.send ("NEW"); 100 c.send ("NEW");
51 // instead of getcwd we could opendir(".") and pass the fd for fchdir *g* 101 c.send ("CWD"), c.send (cwd);
52 c.send ("CWD"), c.send (getcwd (buf, sizeof (buf)));
53 102
54 for (char **var = environ; *environ; environ++) 103 for (char **var = environ; *var; var++)
55 c.send ("ENV"), c.send (*environ); 104 c.send ("ENV"), c.send (*var);
56 105
106 const char *base = strrchr (argv[0], '/');
107 base = base ? base + 1 : argv[0];
108 c.send ("ARG"), c.send (strcmp (base, RXVTNAME "c") ? base : RXVTNAME);
109
57 for (int i = 0; i < argc; i++) 110 for (int i = 1; i < argc; i++)
58 c.send ("ARG"), c.send (argv[i]); 111 c.send ("ARG"), c.send (argv[i]);
59 112
60 c.send ("END"); 113 c.send ("END");
114
115 auto_str tok;
116 int cint;
117
118 for (;;)
119 if (!c.recv (tok))
120 {
121 fprintf (stderr, "protocol error: unexpected eof from server.\n");
122 break;
123 }
124 else if (!strcmp (tok, "MSG") && c.recv (tok))
125 fprintf (stderr, "%s", (const char *)tok);
126 else if (!strcmp (tok, "GETFD") && c.recv (cint))
127 {
128 if (!ptytty::send_fd (c.fd, cint))
129 {
130 fprintf (stderr, "unable to send fd %d: ", cint); perror (0);
131 exit (STATUS_FAILURE);
132 }
133 }
134 else if (!strcmp (tok, "END"))
135 {
136 int success;
137
138 if (c.recv (success))
139 exit (success ? STATUS_SUCCESS : STATUS_FAILURE);
140 }
141 else
142 {
143 fprintf (stderr, "protocol error: received unsupported token '%s'.\n", (const char *)tok);
144 break;
145 }
146
147 return STATUS_FAILURE;
61} 148}
62 149

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