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Comparing rxvt-unicode/src/rxvtc.C (file contents):
Revision 1.21 by root, Sun Jan 22 04:01:52 2006 UTC vs.
Revision 1.38 by sf-exg, Fri Jul 23 19:18:52 2021 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: rxvtc.C 2 * File: rxvtc.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * 4 *
5 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> 6 * Copyright (c) 2003-2006 Marc Lehmann <schmorp@schmorp.de>
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 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 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 10 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
… …
19 * along with this program; if not, write to the Free Software 19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 *----------------------------------------------------------------------*/ 21 *----------------------------------------------------------------------*/
22 22
23#include "../config.h" 23#include "../config.h"
24#include <cstdio> 24#include <stdio.h>
25#include <cstdlib> 25#include <stdlib.h>
26#include <cstring> 26#include <string.h>
27#include <csignal> 27#include <signal.h>
28 28
29#include <unistd.h> 29#include <unistd.h>
30#include <sys/socket.h> 30#include <sys/socket.h>
31#include <sys/un.h> 31#include <sys/un.h>
32 32
33#include <libptytty.h>
34
33#include "rxvtdaemon.h" 35#include "rxvtdaemon.h"
34#include "libptytty.h"
35 36
36#include "rxvt.h" 37#define STATUS_SUCCESS 0
38#define STATUS_FAILURE 1
39#define STATUS_CONNECTION_FAILED 2
37 40
38struct client : rxvt_connection { 41struct client : rxvt_connection
42{
39 client (); 43 client ();
40}; 44};
41 45
42client::client () 46client::client ()
43{ 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
44 if ((fd = socket (AF_UNIX, SOCK_STREAM, 0)) < 0) 57 if ((fd = socket (AF_UNIX, SOCK_STREAM, 0)) < 0)
45 { 58 {
46 perror ("unable to create communications socket"); 59 perror ("unable to create communications socket");
47 exit (EXIT_FAILURE); 60 exit (STATUS_FAILURE);
48 } 61 }
49 62
50 char *sockname = rxvt_connection::unix_sockname ();
51 sockaddr_un sa;
52 sa.sun_family = AF_UNIX; 63 sa.sun_family = AF_UNIX;
53 strcpy (sa.sun_path, sockname); 64 strcpy (sa.sun_path, sockname);
54 free (sockname); 65 free (sockname);
55 66
56 if (connect (fd, (sockaddr *)&sa, sizeof (sa))) 67 if (connect (fd, (sockaddr *)&sa, sizeof (sa)))
57 { 68 {
58 perror ("unable to connect to the rxvt-unicode daemon"); 69 perror ("unable to connect to the rxvt-unicode daemon");
59 exit (EXIT_FAILURE); 70 exit (STATUS_CONNECTION_FAILED);
60 } 71 }
61} 72}
62 73
63extern char **environ; 74extern char **environ;
64 75
65int 76int
66main (int argc, const char *const *argv) 77main (int argc, const char *const *argv)
67{ 78{
68 client c;
69 {
70 sigset_t ss;
71
72 sigemptyset (&ss);
73 sigaddset (&ss, SIGHUP);
74 sigprocmask (SIG_BLOCK, &ss, 0);
75 }
76
77 c.send ("NEW");
78
79 // instead of getcwd we could opendir (".") and pass the fd for fchdir *g* 79 // instead of getcwd we could opendir (".") and pass the fd for fchdir *g*
80 char cwd[PATH_MAX]; 80 char cwd[PATH_MAX];
81 81
82 if (!getcwd (cwd, sizeof (cwd))) 82 if (!getcwd (cwd, sizeof (cwd)))
83 { 83 {
84 perror ("unable to determine current working directory"); 84 perror ("unable to determine current working directory");
85 exit (EXIT_FAILURE); 85 exit (STATUS_FAILURE);
86 } 86 }
87 87
88 c.send ("CWD"), c.send (cwd); 88 client c;
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 }
104
105 c.send ("NEW");
89 106
90 for (char **var = environ; *var; var++) 107 for (char **var = environ; *var; var++)
91 c.send ("ENV"), c.send (*var); 108 c.send ("ENV"), c.send (*var);
92 109
93 const char *base = strrchr (argv[0], '/'); 110 const char *base = strrchr (argv[0], '/');
94 base = base ? base + 1 : argv[0]; 111 base = base ? base + 1 : argv[0];
95 c.send ("ARG"), c.send (strcmp (base, RXVTNAME "c") ? base : RXVTNAME); 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);
96 116
97 for (int i = 1; i < argc; i++) 117 for (int i = 1; i < argc; i++)
98 c.send ("ARG"), c.send (argv[i]); 118 c.send ("ARG"), c.send (argv[i]);
99 119
100 c.send ("END"); 120 c.send ("END");
… …
110 } 130 }
111 else if (!strcmp (tok, "MSG") && c.recv (tok)) 131 else if (!strcmp (tok, "MSG") && c.recv (tok))
112 fprintf (stderr, "%s", (const char *)tok); 132 fprintf (stderr, "%s", (const char *)tok);
113 else if (!strcmp (tok, "GETFD") && c.recv (cint)) 133 else if (!strcmp (tok, "GETFD") && c.recv (cint))
114 { 134 {
115 if (ptytty::send_fd (c.fd, cint) < 0) 135 if (!ptytty::send_fd (c.fd, cint))
116 { 136 {
117 fprintf (stderr, "unable to send fd %d: ", cint); perror (0); 137 fprintf (stderr, "unable to send fd %d: ", cint); perror (0);
118 exit (EXIT_FAILURE); 138 exit (STATUS_FAILURE);
119 } 139 }
120 } 140 }
121 else if (!strcmp (tok, "END")) 141 else if (!strcmp (tok, "END"))
122 { 142 {
123 int success; 143 int success;
124 144
125 if (c.recv (success)) 145 if (c.recv (success))
126 exit (success ? EXIT_SUCCESS : EXIT_FAILURE); 146 exit (success ? STATUS_SUCCESS : STATUS_FAILURE);
127 } 147 }
128 else 148 else
129 { 149 {
130 fprintf (stderr, "protocol error: received unsupported token '%s'.\n", (const char *)tok); 150 fprintf (stderr, "protocol error: received unsupported token '%s'.\n", (const char *)tok);
131 break; 151 break;
132 } 152 }
133 153
134 return EXIT_FAILURE; 154 return STATUS_FAILURE;
135} 155}
136 156

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