netconn.c

Absolute File Name:

/home/opencoverage/opencoverage/guest-scripts/bash/src/lib/sh/netconn.c

Line	Source	Count
1	/* netconn.c -- is a particular file descriptor a network connection?. */	-
2		-
3	/* Copyright (C) 2002-2005 Free Software Foundation, Inc.	-
4		-
5	This file is part of GNU Bash, the Bourne Again SHell.	-
6		-
7	Bash is free software: you can redistribute it and/or modify	-
8	it under the terms of the GNU General Public License as published by	-
9	the Free Software Foundation, either version 3 of the License, or	-
10	(at your option) any later version.	-
11		-
12	Bash is distributed in the hope that it will be useful,	-
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	-
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	-
15	GNU General Public License for more details.	-
16		-
17	You should have received a copy of the GNU General Public License	-
18	along with Bash. If not, see <http://www.gnu.org/licenses/>.	-
19	*/	-
20		-
21	#include <config.h>	-
22		-
23	#include <bashtypes.h>	-
24	#if ! defined(_MINIX) && defined (HAVE_SYS_FILE_H)	-
25	# include <sys/file.h>	-
26	#endif	-
27	#include <posixstat.h>	-
28	#include <filecntl.h>	-
29		-
30	#include <errno.h>	-
31		-
32	#if defined (HAVE_UNISTD_H)	-
33	# include <unistd.h>	-
34	#endif	-
35		-
36	/* The second and subsequent conditions must match those used to decide	-
37	whether or not to call getpeername() in isnetconn(). */	-
38	#if defined (HAVE_SYS_SOCKET_H) && defined (HAVE_GETPEERNAME) && !defined (SVR4_2)	-
39	# include <sys/socket.h>	-
40	#endif	-
41		-
42	/* Is FD a socket or network connection? */	-
43	int	-
44	isnetconn (fd)	-
45	int fd;	-
46	{	-
47	#if defined (HAVE_SYS_SOCKET_H) && defined (HAVE_GETPEERNAME) && !defined (SVR4_2) && !defined (__BEOS__)	-
48	int rv;	-
49	socklen_t l;	-
50	struct sockaddr sa;	-
51		-
52	l = sizeof(sa);	-
53	rv = getpeername(fd, &sa, &l);	-
54	/* Posix.2 says getpeername can return these errors. */	-
55	return ((rv < 0 && (errno == ENOTSOCK \|\| errno == ENOTCONN \|\| errno == EINVAL \|\| errno == EBADF)) ? 0 : 1); executed 138 times by 1 test: `return ((rv < 0 && ( (__errno_location ()) == 88 \|\| (__errno_location ()) == 107 \|\| (__errno_location ()) == 22 \|\| (__errno_location ()) == 9 )) ? 0 : 1);` Executed by: Self test	138
56	#else /* !HAVE_GETPEERNAME \|\| SVR4_2 \|\| __BEOS__ */	-
57	# if defined (SVR4) \|\| defined (SVR4_2)	-
58	/* Sockets on SVR4 and SVR4.2 are character special (streams) devices. */	-
59	struct stat sb;	-
60		-
61	if (isatty (fd))	-
62	return (0);	-
63	if (fstat (fd, &sb) < 0)	-
64	return (0);	-
65	# if defined (S_ISFIFO)	-
66	if (S_ISFIFO (sb.st_mode))	-
67	return (0);	-
68	# endif /* S_ISFIFO */	-
69	return (S_ISCHR (sb.st_mode));	-
70	# else /* !SVR4 && !SVR4_2 */	-
71	# if defined (S_ISSOCK) && !defined (__BEOS__)	-
72	struct stat sb;	-
73		-
74	if (fstat (fd, &sb) < 0)	-
75	return (0);	-
76	return (S_ISSOCK (sb.st_mode));	-
77	# else /* !S_ISSOCK \|\| __BEOS__ */	-
78	return (0);	-
79	# endif /* !S_ISSOCK \|\| __BEOS__ */	-
80	# endif /* !SVR4 && !SVR4_2 */	-
81	#endif /* !HAVE_GETPEERNAME \|\| SVR4_2 \|\| __BEOS__ */	-
82	}	-

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/* netconn.c -- is a particular file descriptor a network connection?. */

This file is part of GNU Bash, the Bourne Again SHell.

Bash 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.

Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>.

#include <config.h>

#include <bashtypes.h>

#if ! defined(_MINIX) && defined (HAVE_SYS_FILE_H)

# include <sys/file.h>

#endif

#include <posixstat.h>

#include <filecntl.h>

#include <errno.h>

#if defined (HAVE_UNISTD_H)

# include <unistd.h>

#endif

/* The second and subsequent conditions must match those used to decide

whether or not to call getpeername() in isnetconn(). */

#if defined (HAVE_SYS_SOCKET_H) && defined (HAVE_GETPEERNAME) && !defined (SVR4_2)

# include <sys/socket.h>

#endif

/* Is FD a socket or network connection? */

int

isnetconn (fd)

int fd;

{

#if defined (HAVE_SYS_SOCKET_H) && defined (HAVE_GETPEERNAME) && !defined (SVR4_2) && !defined (__BEOS__)

int rv;

socklen_t l;

struct sockaddr sa;

l = sizeof(sa);

rv = getpeername(fd, &sa, &l);

/* Posix.2 says getpeername can return these errors. */

return ((rv < 0 && (errno == ENOTSOCK || errno == ENOTCONN || errno == EINVAL || errno == EBADF)) ? 0 : 1);

executed 138 times by 1 test:

return ((rv < 0 && ( (*__errno_location ()) == 88 || (*__errno_location ()) == 107 || (*__errno_location ()) == 22 || (*__errno_location ()) == 9 )) ? 0 : 1);

Executed by:

Self test

138

#else /* !HAVE_GETPEERNAME || SVR4_2 || __BEOS__ */

# if defined (SVR4) || defined (SVR4_2)

/* Sockets on SVR4 and SVR4.2 are character special (streams) devices. */

struct stat sb;

if (isatty (fd))

return (0);

if (fstat (fd, &sb) < 0)

return (0);

# if defined (S_ISFIFO)

if (S_ISFIFO (sb.st_mode))

return (0);

# endif /* S_ISFIFO */

return (S_ISCHR (sb.st_mode));

# else /* !SVR4 && !SVR4_2 */

# if defined (S_ISSOCK) && !defined (__BEOS__)

struct stat sb;

if (fstat (fd, &sb) < 0)

return (0);

return (S_ISSOCK (sb.st_mode));

# else /* !S_ISSOCK || __BEOS__ */

return (0);

# endif /* !S_ISSOCK || __BEOS__ */

# endif /* !SVR4 && !SVR4_2 */

#endif /* !HAVE_GETPEERNAME || SVR4_2 || __BEOS__ */

}

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