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Comparing rxvt-unicode/src/rxvtc.C (file contents):
Revision 1.4 by pcg, Thu Nov 27 10:12:10 2003 UTC vs.
Revision 1.37 by sf-exg, Mon Oct 6 11:14:49 2014 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 <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 3 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 <stdio.h>
4#include <cstdlib> 25#include <stdlib.h>
26#include <string.h>
27#include <signal.h>
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#define STATUS_SUCCESS 0
37#define STATUS_FAILURE 1
38#define STATUS_CONNECTION_FAILED 2
39
11struct client : rxvt_connection { 40struct client : rxvt_connection
41{
12 client (); 42 client ();
13}; 43};
14 44
15client::client () 45client::client ()
16{ 46{
17 if ((fd = socket (PF_LOCAL, SOCK_STREAM, 0)) < 0) 47 sockaddr_un sa;
48 char *sockname = rxvt_connection::unix_sockname ();
49
50 if (strlen (sockname) >= sizeof (sa.sun_path))
18 { 51 {
19 perror ("unable to create listening socket"); 52 fputs ("socket name too long, aborting.\n", stderr);
20 exit (EXIT_FAILURE); 53 exit (STATUS_FAILURE);
21 } 54 }
22 55
23 char *sockname = rxvt_connection::unix_sockname (); 56 if ((fd = socket (AF_UNIX, SOCK_STREAM, 0)) < 0)
24 sockaddr_un sa; 57 {
58 perror ("unable to create communications socket");
59 exit (STATUS_FAILURE);
60 }
61
25 sa.sun_family = AF_UNIX; 62 sa.sun_family = AF_UNIX;
26 strcpy (sa.sun_path, sockname); 63 strcpy (sa.sun_path, sockname);
27 free (sockname); 64 free (sockname);
28 65
29 if (connect (fd, (sockaddr *)&sa, sizeof (sa))) 66 if (connect (fd, (sockaddr *)&sa, sizeof (sa)))
30 { 67 {
31 perror ("unable to bind listening socket"); 68 perror ("unable to connect to the rxvt-unicode daemon");
32 exit (EXIT_FAILURE); 69 exit (STATUS_CONNECTION_FAILED);
33 } 70 }
34} 71}
35 72
36extern char **environ; 73extern char **environ;
37 74
38int 75int
39main(int argc, const char *const *argv) 76main (int argc, const char *const *argv)
40{ 77{
78 // instead of getcwd we could opendir (".") and pass the fd for fchdir *g*
79 char cwd[PATH_MAX];
80
81 if (!getcwd (cwd, sizeof (cwd)))
82 {
83 perror ("unable to determine current working directory");
84 exit (STATUS_FAILURE);
85 }
86
41 client c; 87 client c;
42 char buf[PATH_MAX];
43 88
44 { 89 {
45 sigset_t ss; 90 sigset_t ss;
46 91
92 sigemptyset (&ss);
47 sigaddset (&ss, SIGHUP); 93 sigaddset (&ss, SIGHUP);
94 sigaddset (&ss, SIGPIPE);
48 sigprocmask (SIG_BLOCK, &ss, 0); 95 sigprocmask (SIG_BLOCK, &ss, 0);
49 } 96 }
50 97
98 if (argc >= 2 && !strcmp (argv[1], "-k"))
99 {
100 c.send ("QUIT");
101 return 0;
102 }
103
51 c.send ("NEW"); 104 c.send ("NEW");
52 // instead of getcwd we could opendir(".") and pass the fd for fchdir *g*
53 c.send ("CWD"), c.send (getcwd (buf, sizeof (buf)));
54 105
55 for (char **var = environ; *environ; environ++) 106 for (char **var = environ; *var; var++)
56 c.send ("ENV"), c.send (*environ); 107 c.send ("ENV"), c.send (*var);
57 108
109 const char *base = strrchr (argv[0], '/');
110 base = base ? base + 1 : argv[0];
111 c.send ("ARG"), c.send (strcmp (base, RXVTNAME "c") ? base : RXVTNAME);
112
113 c.send ("ARG"), c.send ("-cd");
114 c.send ("ARG"), c.send (cwd);
115
58 for (int i = 0; i < argc; i++) 116 for (int i = 1; i < argc; i++)
59 c.send ("ARG"), c.send (argv[i]); 117 c.send ("ARG"), c.send (argv[i]);
60 118
61 c.send ("END"); 119 c.send ("END");
120
121 auto_str tok;
122 int cint;
123
124 for (;;)
125 if (!c.recv (tok))
126 {
127 fprintf (stderr, "protocol error: unexpected eof from server.\n");
128 break;
129 }
130 else if (!strcmp (tok, "MSG") && c.recv (tok))
131 fprintf (stderr, "%s", (const char *)tok);
132 else if (!strcmp (tok, "GETFD") && c.recv (cint))
133 {
134 if (!ptytty::send_fd (c.fd, cint))
135 {
136 fprintf (stderr, "unable to send fd %d: ", cint); perror (0);
137 exit (STATUS_FAILURE);
138 }
139 }
140 else if (!strcmp (tok, "END"))
141 {
142 int success;
143
144 if (c.recv (success))
145 exit (success ? STATUS_SUCCESS : STATUS_FAILURE);
146 }
147 else
148 {
149 fprintf (stderr, "protocol error: received unsupported token '%s'.\n", (const char *)tok);
150 break;
151 }
152
153 return STATUS_FAILURE;
62} 154}
63 155

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