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* fhandler_socket.cc (adjust_socket_file_mode): New inline function. 

(fhandler_socket::fchmod): Squeeze mode through adjust_socket_file_mode
	before using it.
	(fhandler_socket::bind): Ditto.
This commit is contained in:
Corinna Vinschen 2007-05-15 16:33:20 +00:00
parent 90c2ba7806
commit f9a963b8a0
2 changed files with 24 additions and 4 deletions
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11
winsup/cygwin/ChangeLog
View File

@ -1,4 +1,11 @@
007-03-19 Ryan C. Gordon <icculus@icculus.org>
2007-05-15 Corinna Vinschen <corinna@vinschen.de>
* fhandler_socket.cc (adjust_socket_file_mode): New inline function.
(fhandler_socket::fchmod): Squeeze mode through adjust_socket_file_mode
before using it.
(fhandler_socket::bind): Ditto.
2007-03-19 Ryan C. Gordon <icculus@icculus.org>
* path.cc (fs_info::update): Set and use is_cdrom.
* path.cc (fillout_mntent): Set ret.mnt_type to something more
@ -10,7 +17,7 @@
* path.h (class path_conv): Add fs_is_cdrom method. Add missing
fs_is_netapp method.
007-05-14 Eric Blake <ebb9@byu.net>
2007-05-14 Eric Blake <ebb9@byu.net>
* cygwin.din (asnprintf, dprint, _Exit, vasnprintf, vdprintf): Export.
* include/cygwin/version.h: Bump API minor number.

17
winsup/cygwin/fhandler_socket.cc
View File

@ -50,6 +50,18 @@ int sscanf (const char *, const char *, ...);
fhandler_dev_random* entropy_source;
static inline mode_t
adjust_socket_file_mode (mode_t mode)
{
/* Kludge: Don't allow to remove read bit on socket files for
user/group/other, if the accompanying write bit is set. It would
be nice to have exact permissions on a socket file, but it's
necessary that somebody able to access the socket can always read
the contents of the socket file to avoid spurious "permission
denied" messages. */
return mode | ((mode & (S_IWUSR | S_IWGRP | S_IWOTH)) << 1);
}
/* cygwin internal: map sockaddr into internet domain address */
static int
get_inet_addr (const struct sockaddr *in, int inlen,
@ -687,7 +699,7 @@ fhandler_socket::fchmod (mode_t mode)
{
fhandler_disk_file fh (pc);
fh.get_device () = FH_FS;
int ret = fh.fchmod (mode);
int ret = fh.fchmod (adjust_socket_file_mode (mode));
SetFileAttributes (pc, GetFileAttributes (pc) | FILE_ATTRIBUTE_SYSTEM);
return ret;
}
@ -799,7 +811,8 @@ fhandler_socket::bind (const struct sockaddr *name, int namelen)
set_errno (EADDRINUSE);
goto out;
}
mode_t mode = (S_IRWXU | S_IRWXG | S_IRWXO) & ~cygheap->umask;
mode_t mode = adjust_socket_file_mode ((S_IRWXU | S_IRWXG | S_IRWXO)
& ~cygheap->umask);
DWORD attr = FILE_ATTRIBUTE_SYSTEM;
if (!(mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
attr |= FILE_ATTRIBUTE_READONLY;