rxvt-unicode/src/rxvtc.C

/*--------------------------------*-C-*---------------------------------*
 * File:        rxvtc.C
 *----------------------------------------------------------------------*
 *
 * All portions of code are copyright by their respective author/s.
 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *----------------------------------------------------------------------*/

#include "../config.h"
#include "rxvtdaemon.h"

#include "rxvt.h"

#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <csignal>

#include <unistd.h>
#include <sys/socket.h>
#include <sys/un.h>

struct client : rxvt_connection {
  client ();
};

client::client ()
{
  if ((fd = socket (PF_UNIX, SOCK_STREAM, 0)) < 0)
    {
      perror ("unable to create communications socket");
      exit (EXIT_FAILURE);
    }

  char *sockname = rxvt_connection::unix_sockname ();
  sockaddr_un sa;
  sa.sun_family = AF_UNIX;
  strcpy (sa.sun_path, sockname);
  free (sockname);

  if (connect (fd, (sockaddr *)&sa, sizeof (sa)))
    {
      perror ("unable to connect to the rxvt-unicode daemon");
      exit (EXIT_FAILURE);
    }
}

extern char **environ;

int
main (int argc, const char *const *argv)
{
  client c;
  {
    sigset_t ss;

    sigemptyset (&ss);
    sigaddset (&ss, SIGHUP);
    sigprocmask (SIG_BLOCK, &ss, 0);
  }

  c.send ("NEW");

  // instead of getcwd we could opendir (".") and pass the fd for fchdir *g*
  char cwd[PATH_MAX];

  if (!getcwd (cwd, sizeof (cwd)))
    {
      perror ("unable to determine current working directory");
      exit (EXIT_FAILURE);
    }

  c.send ("CWD"), c.send (cwd);

  for (char **var = environ; *var; var++)
    c.send ("ENV"), c.send (*var);

  const char *base = strrchr (argv[0], '/');
  base = base ? base + 1 : argv[0];
  c.send ("ARG"), c.send (strcmp (base, RXVTNAME "c") ? base : RXVTNAME);

  for (int i = 1; i < argc; i++)
    c.send ("ARG"), c.send (argv[i]);

  c.send ("END");

  auto_str tok;

  for (;;)
    if (!c.recv (tok))
      {
        fprintf (stderr, "protocol error: unexpected eof from server.\n");
        break;
      }
    else if (!strcmp (tok, "MSG") && c.recv (tok))
      fprintf (stderr, "%s", (const char *)tok);
    else if (!strcmp (tok, "END"))
      {
        int success;
        if (c.recv (success))
          exit (success ? EXIT_SUCCESS : EXIT_FAILURE);
      }
    else
      {
        fprintf (stderr, "protocol error: received illegal token '%s'.\n", (const char *)tok);
        break;
      }

  return EXIT_FAILURE;
}

Revision:	1.16
Committed:	Mon Nov 28 19:35:04 2005 UTC (18 years, 5 months ago) by root
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rel-5_9
Changes since 1.15:	+2 -2 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	pcg	1.11	/---------------------------------C----------------------------------
2			* File: rxvtc.C
3			----------------------------------------------------------------------
4			*
5			* All portions of code are copyright by their respective author/s.
6			* Copyright (c) 2003-2004 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	pcg	1.8	#include "../config.h"
24	pcg	1.1	#include "rxvtdaemon.h"
25
26	pcg	1.9	#include "rxvt.h"
27
28	pcg	1.1	#include <cstdio>
29			#include <cstdlib>
30	root	1.13	#include <cstring>
31	root	1.14	#include <csignal>
32	pcg	1.1
33			#include <unistd.h>
34			#include <sys/socket.h>
35			#include <sys/un.h>
36
37			struct client : rxvt_connection {
38			client ();
39			};
40
41			client::client ()
42			{
43	pcg	1.11	if ((fd = socket (PF_UNIX, SOCK_STREAM, 0)) < 0)
44	pcg	1.1	{
45	pcg	1.5	perror ("unable to create communications socket");
46	pcg	1.1	exit (EXIT_FAILURE);
47			}
48
49	pcg	1.4	char *sockname = rxvt_connection::unix_sockname ();
50	pcg	1.1	sockaddr_un sa;
51			sa.sun_family = AF_UNIX;
52	pcg	1.4	strcpy (sa.sun_path, sockname);
53			free (sockname);
54	pcg	1.1
55			if (connect (fd, (sockaddr *)&sa, sizeof (sa)))
56			{
57	root	1.13	perror ("unable to connect to the rxvt-unicode daemon");
58	pcg	1.1	exit (EXIT_FAILURE);
59			}
60			}
61
62	pcg	1.3	extern char **environ;
63
64	pcg	1.1	int
65	pcg	1.7	main (int argc, const char const argv)
66	pcg	1.1	{
67			client c;
68	pcg	1.3	{
69			sigset_t ss;
70
71	pcg	1.6	sigemptyset (&ss);
72	pcg	1.3	sigaddset (&ss, SIGHUP);
73			sigprocmask (SIG_BLOCK, &ss, 0);
74			}
75
76	pcg	1.1	c.send ("NEW");
77	root	1.15
78	pcg	1.7	// instead of getcwd we could opendir (".") and pass the fd for fchdir g
79	root	1.15	char cwd[PATH_MAX];
80
81			if (!getcwd (cwd, sizeof (cwd)))
82			{
83			perror ("unable to determine current working directory");
84			exit (EXIT_FAILURE);
85			}
86
87			c.send ("CWD"), c.send (cwd);
88	pcg	1.3
89	root	1.16	for (char *var = environ; var; var++)
90			c.send ("ENV"), c.send (*var);
91	pcg	1.1
92	root	1.13	const char *base = strrchr (argv[0], '/');
93			base = base ? base + 1 : argv[0];
94			c.send ("ARG"), c.send (strcmp (base, RXVTNAME "c") ? base : RXVTNAME);
95
96			for (int i = 1; i < argc; i++)
97	pcg	1.2	c.send ("ARG"), c.send (argv[i]);
98
99	pcg	1.1	c.send ("END");
100	pcg	1.8
101			auto_str tok;
102
103			for (;;)
104			if (!c.recv (tok))
105			{
106			fprintf (stderr, "protocol error: unexpected eof from server.\n");
107			break;
108			}
109			else if (!strcmp (tok, "MSG") && c.recv (tok))
110			fprintf (stderr, "%s", (const char *)tok);
111			else if (!strcmp (tok, "END"))
112			{
113			int success;
114			if (c.recv (success))
115			exit (success ? EXIT_SUCCESS : EXIT_FAILURE);
116			}
117			else
118			{
119			fprintf (stderr, "protocol error: received illegal token '%s'.\n", (const char *)tok);
120			break;
121			}
122
123			return EXIT_FAILURE;
124	pcg	1.1	}
125