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 <unistd.h>
#include <signal.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 rxvtd");
      exit (EXIT_FAILURE);
    }
}

extern char **environ;

int
main (int argc, const char *const *argv)
{
  client c;
  char buf[PATH_MAX];

  {
    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*
  c.send ("CWD"), c.send (getcwd (buf, sizeof (buf)));

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

  for (int i = 0; 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:	1.11
Committed:	Thu Apr 8 20:31:45 2004 UTC (20 years, 1 month ago) by pcg
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rel-2_8, rel-3_7, rel-3_6, rel-3_5, rel-3_4, rel-3_3, rel-3_2, rel-3_0
Changes since 1.9:	+23 -1 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
31			#include <unistd.h>
32	pcg	1.3	#include <signal.h>
33	pcg	1.1	#include <sys/socket.h>
34			#include <sys/un.h>
35
36			struct client : rxvt_connection {
37			client ();
38			};
39
40			client::client ()
41			{
42	pcg	1.11	if ((fd = socket (PF_UNIX, SOCK_STREAM, 0)) < 0)
43	pcg	1.1	{
44	pcg	1.5	perror ("unable to create communications socket");
45	pcg	1.1	exit (EXIT_FAILURE);
46			}
47
48	pcg	1.4	char *sockname = rxvt_connection::unix_sockname ();
49	pcg	1.1	sockaddr_un sa;
50			sa.sun_family = AF_UNIX;
51	pcg	1.4	strcpy (sa.sun_path, sockname);
52			free (sockname);
53	pcg	1.1
54			if (connect (fd, (sockaddr *)&sa, sizeof (sa)))
55			{
56	pcg	1.5	perror ("unable to connect to rxvtd");
57	pcg	1.1	exit (EXIT_FAILURE);
58			}
59			}
60
61	pcg	1.3	extern char **environ;
62
63	pcg	1.1	int
64	pcg	1.7	main (int argc, const char const argv)
65	pcg	1.1	{
66			client c;
67			char buf[PATH_MAX];
68
69	pcg	1.3	{
70			sigset_t ss;
71
72	pcg	1.6	sigemptyset (&ss);
73	pcg	1.3	sigaddset (&ss, SIGHUP);
74			sigprocmask (SIG_BLOCK, &ss, 0);
75			}
76
77	pcg	1.1	c.send ("NEW");
78	pcg	1.7	// instead of getcwd we could opendir (".") and pass the fd for fchdir g
79	pcg	1.2	c.send ("CWD"), c.send (getcwd (buf, sizeof (buf)));
80	pcg	1.3
81			for (char *var = environ; environ; environ++)
82			c.send ("ENV"), c.send (*environ);
83	pcg	1.1
84			for (int i = 0; i < argc; i++)
85	pcg	1.2	c.send ("ARG"), c.send (argv[i]);
86
87	pcg	1.1	c.send ("END");
88	pcg	1.8
89			auto_str tok;
90
91			for (;;)
92			if (!c.recv (tok))
93			{
94			fprintf (stderr, "protocol error: unexpected eof from server.\n");
95			break;
96			}
97			else if (!strcmp (tok, "MSG") && c.recv (tok))
98			fprintf (stderr, "%s", (const char *)tok);
99			else if (!strcmp (tok, "END"))
100			{
101			int success;
102			if (c.recv (success))
103			exit (success ? EXIT_SUCCESS : EXIT_FAILURE);
104			}
105			else
106			{
107			fprintf (stderr, "protocol error: received illegal token '%s'.\n", (const char *)tok);
108			break;
109			}
110
111			return EXIT_FAILURE;
112	pcg	1.1	}
113