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Comparing rxvt-unicode/src/rxvtc.C (file contents):
Revision 1.2 by pcg, Mon Nov 24 19:52:16 2003 UTC vs.
Revision 1.38 by sf-exg, Fri Jul 23 19:18:52 2021 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 <sys/socket.h> 30#include <sys/socket.h>
8#include <sys/un.h> 31#include <sys/un.h>
9 32
33#include <libptytty.h>
34
35#include "rxvtdaemon.h"
36
37#define STATUS_SUCCESS 0
38#define STATUS_FAILURE 1
39#define STATUS_CONNECTION_FAILED 2
40
10struct client : rxvt_connection { 41struct client : rxvt_connection
42{
11 client (); 43 client ();
12}; 44};
13 45
14client::client () 46client::client ()
15{ 47{
16 if ((fd = socket (PF_LOCAL, SOCK_STREAM, 0)) < 0) 48 sockaddr_un sa;
49 char *sockname = rxvt_connection::unix_sockname ();
50
51 if (strlen (sockname) >= sizeof (sa.sun_path))
17 { 52 {
18 perror ("unable to create listening socket"); 53 fputs ("socket name too long, aborting.\n", stderr);
19 exit (EXIT_FAILURE); 54 exit (STATUS_FAILURE);
20 } 55 }
21 56
22 sockaddr_un sa; 57 if ((fd = socket (AF_UNIX, SOCK_STREAM, 0)) < 0)
58 {
59 perror ("unable to create communications socket");
60 exit (STATUS_FAILURE);
61 }
23 62
24 sa.sun_family = AF_UNIX; 63 sa.sun_family = AF_UNIX;
25 strcpy (sa.sun_path, rxvt_connection::unix_sockname ()); 64 strcpy (sa.sun_path, sockname);
65 free (sockname);
26 66
27 if (connect (fd, (sockaddr *)&sa, sizeof (sa))) 67 if (connect (fd, (sockaddr *)&sa, sizeof (sa)))
28 { 68 {
29 perror ("unable to bind listening socket"); 69 perror ("unable to connect to the rxvt-unicode daemon");
30 exit (EXIT_FAILURE); 70 exit (STATUS_CONNECTION_FAILED);
31 } 71 }
32} 72}
33 73
74extern char **environ;
75
34int 76int
35main(int argc, const char *const *argv) 77main (int argc, const char *const *argv)
36{ 78{
79 // instead of getcwd we could opendir (".") and pass the fd for fchdir *g*
80 char cwd[PATH_MAX];
81
82 if (!getcwd (cwd, sizeof (cwd)))
83 {
84 perror ("unable to determine current working directory");
85 exit (STATUS_FAILURE);
86 }
87
37 client c; 88 client c;
38 char buf[PATH_MAX]; 89
90 {
91 sigset_t ss;
92
93 sigemptyset (&ss);
94 sigaddset (&ss, SIGHUP);
95 sigaddset (&ss, SIGPIPE);
96 sigprocmask (SIG_BLOCK, &ss, 0);
97 }
98
99 if (argc >= 2 && !strcmp (argv[1], "-k"))
100 {
101 c.send ("QUIT");
102 return 0;
103 }
39 104
40 c.send ("NEW"); 105 c.send ("NEW");
41 c.send ("DISPLAY"), c.send (getenv ("DISPLAY"));
42 // instead of getcwd we could opendir(".") and pass the fd for fchdir *g*
43 c.send ("CWD"), c.send (getcwd (buf, sizeof (buf)));
44 106
107 for (char **var = environ; *var; var++)
108 c.send ("ENV"), c.send (*var);
109
110 const char *base = strrchr (argv[0], '/');
111 base = base ? base + 1 : argv[0];
112 c.send ("ARG"), c.send (strcmp (base, RXVTNAME "c") ? base : RXVTNAME);
113
114 c.send ("ARG"), c.send ("-cd");
115 c.send ("ARG"), c.send (cwd);
116
45 for (int i = 0; i < argc; i++) 117 for (int i = 1; i < argc; i++)
46 c.send ("ARG"), c.send (argv[i]); 118 c.send ("ARG"), c.send (argv[i]);
47 119
48 c.send ("END"); 120 c.send ("END");
121
122 auto_str tok;
123 int cint;
124
125 for (;;)
126 if (!c.recv (tok))
127 {
128 fprintf (stderr, "protocol error: unexpected eof from server.\n");
129 break;
130 }
131 else if (!strcmp (tok, "MSG") && c.recv (tok))
132 fprintf (stderr, "%s", (const char *)tok);
133 else if (!strcmp (tok, "GETFD") && c.recv (cint))
134 {
135 if (!ptytty::send_fd (c.fd, cint))
136 {
137 fprintf (stderr, "unable to send fd %d: ", cint); perror (0);
138 exit (STATUS_FAILURE);
139 }
140 }
141 else if (!strcmp (tok, "END"))
142 {
143 int success;
144
145 if (c.recv (success))
146 exit (success ? STATUS_SUCCESS : STATUS_FAILURE);
147 }
148 else
149 {
150 fprintf (stderr, "protocol error: received unsupported token '%s'.\n", (const char *)tok);
151 break;
152 }
153
154 return STATUS_FAILURE;
49} 155}
50 156

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