rxvt-unicode/src/rxvtdaemon.C

/*----------------------------------------------------------------------*
 * File:        rxvtdaemon.C
 *----------------------------------------------------------------------*
 *
 * All portions of code are copyright by their respective author/s.
 * Copyright (c) 2003-2007 Marc Lehmann <schmorp@schmorp.de>
 *
 * 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 3 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 <stdlib.h>
#include <string.h>
#include <stdio.h>

#include <inttypes.h>
#include <unistd.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/utsname.h>

#include "rxvtdaemon.h"

char *rxvt_connection::unix_sockname ()
{
  char name[PATH_MAX];
  const char *path = getenv ("RXVT_SOCKET");

  if (!path)
    {
      struct utsname u;
      uname (&u);

      path = getenv ("HOME");
      if (!path)
        path = "/tmp";

      snprintf (name, PATH_MAX, "%s/.urxvt", path);
      mkdir (name, 0777);

      snprintf (name, PATH_MAX, "%s/.urxvt/urxvtd-%s",
                path,
                u.nodename);

      path = name;
    }

  return strdup (path);
}

void rxvt_connection::send (const char *data, int len)
{
  uint8_t s[2];

  if (len > 65535)
    len = 65535;

  s[0] = len >> 8; s[1] = len;

  write (fd, s, 2);
  write (fd, data, len);
}

void rxvt_connection::send (const char *data)
{
  send (data, strlen (data));
}

bool rxvt_connection::recv (auto_str &data, int *len)
{
  uint8_t s[2];
  int l;

  if (read (fd, s, 2) != 2)
    return false;

  l = (s[0] << 8) + s[1];
  if (l > 65535)
    return false;

  if (len)
    *len = l;

  data.reset (new char[l + 1]);

  if (read (fd, data, l) != l)
    return false;

  data[l] = 0;

  return true;
}

void rxvt_connection::send (int data)
{
  uint8_t s[4];

  s[0] = data >> 24; s[1] = data >> 16; s[2] = data >> 8; s[3] = data;

  write (fd, s, 4);
}

bool rxvt_connection::recv (int &data)
{
  uint8_t s[4];

  if (read (fd, s, 4) != 4)
    return false;

  data = (((((s[0] << 8) | s[1]) << 8) | s[2]) << 8) | s[3];

  return true;
}


Revision:	1.26
Committed:	Tue Jun 25 03:35:01 2019 UTC (4 years, 10 months ago) by root
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rxvt-unicode-rel-9_29, rxvt-unicode-rel-9_26, rxvt-unicode-rel-9_25, rxvt-unicode-rel-9_30, HEAD
Changes since 1.25:	+1 -1 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.13	/----------------------------------------------------------------------
2	pcg	1.6	* File: rxvtdaemon.C
3			----------------------------------------------------------------------
4			*
5			* All portions of code are copyright by their respective author/s.
6	root	1.15	* Copyright (c) 2003-2007 Marc Lehmann <schmorp@schmorp.de>
7	pcg	1.6	*
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	root	1.24	* the Free Software Foundation; either version 3 of the License, or
11	pcg	1.6	* (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	sf-exg	1.19	#include <stdlib.h>
24			#include <string.h>
25			#include <stdio.h>
26	pcg	1.1
27	root	1.7	#include <inttypes.h>
28	pcg	1.3	#include <unistd.h>
29	root	1.9	#include <errno.h>
30	sf-exg	1.17	#include <sys/stat.h>
31	root	1.9	#include <sys/types.h>
32	pcg	1.3	#include <sys/utsname.h>
33
34	pcg	1.1	#include "rxvtdaemon.h"
35
36	pcg	1.3	char *rxvt_connection::unix_sockname ()
37	pcg	1.1	{
38	pcg	1.3	char name[PATH_MAX];
39	root	1.26	const char *path = getenv ("RXVT_SOCKET");
40	pcg	1.3
41			if (!path)
42			{
43			struct utsname u;
44			uname (&u);
45
46			path = getenv ("HOME");
47	sf-exg	1.17	if (!path)
48			path = "/tmp";
49
50			snprintf (name, PATH_MAX, "%s/.urxvt", path);
51			mkdir (name, 0777);
52
53			snprintf (name, PATH_MAX, "%s/.urxvt/urxvtd-%s",
54			path,
55	pcg	1.3	u.nodename);
56
57			path = name;
58			}
59
60			return strdup (path);
61	pcg	1.1	}
62
63			void rxvt_connection::send (const char *data, int len)
64			{
65			uint8_t s[2];
66
67	root	1.11	if (len > 65535)
68			len = 65535;
69
70	pcg	1.1	s[0] = len >> 8; s[1] = len;
71
72			write (fd, s, 2);
73			write (fd, data, len);
74			}
75
76			void rxvt_connection::send (const char *data)
77			{
78			send (data, strlen (data));
79			}
80
81	pcg	1.2	bool rxvt_connection::recv (auto_str &data, int *len)
82	pcg	1.1	{
83			uint8_t s[2];
84			int l;
85
86	root	1.10	if (read (fd, s, 2) != 2)
87	pcg	1.1	return false;
88
89			l = (s[0] << 8) + s[1];
90	root	1.11	if (l > 65535)
91	pcg	1.1	return false;
92
93			if (len)
94			*len = l;
95
96	sf-exg	1.25	data.reset (new char[l + 1]);
97	pcg	1.1
98	root	1.10	if (read (fd, data, l) != l)
99	pcg	1.1	return false;
100
101			data[l] = 0;
102
103			return true;
104			}
105
106			void rxvt_connection::send (int data)
107			{
108			uint8_t s[4];
109
110	pcg	1.5	s[0] = data >> 24; s[1] = data >> 16; s[2] = data >> 8; s[3] = data;
111	pcg	1.1
112			write (fd, s, 4);
113			}
114
115			bool rxvt_connection::recv (int &data)
116			{
117			uint8_t s[4];
118
119	root	1.10	if (read (fd, s, 4) != 4)
120	pcg	1.1	return false;
121
122			data = (((((s[0] << 8) \| s[1]) << 8) \| s[2]) << 8) \| s[3];
123
124			return true;
125			}
126
127
128