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Calling open from acl_extended_file{_nofollow} indiscriminately may hang
if the file is a FIFO. Ultimately the FIFO implementation needs a thorough
rewrite, but for the time being we better do what stat(2) and friends do:
Just create an fhandler directly.
* sec_posixacl.cc (__acl_extended_fh): New static function calling
fhandler::facl.
(acl_extended_fd): Just call __acl_extended_fh.
(__acl_extended_file): Take just a path_conv as parameter and
create temporary fhandler to call __acl_extended_fh.
(acl_extended_file): Create path_conv from incoming path and
call __acl_extended_file on it.
(acl_extended_file_nofollow): Ditto.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* sec_posixacl .cc (__acl_dup): Remove.
(acl_dup): Fold __acl_dup functionality into this function.
(acl_create_entry): Don't create new acl_t. Just realloc
acl->entry to make room for new aclent_t.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* Makefile.in (DLL_OFILES): Add sec_posixacl.o.
(SUBLIBS): Add libacl.a
(libacl.a): New rule to create libacl.a.
* common.din: Export POSIX ACL functions as well as most libacl.a
extensions.
* fhandler.h (fhander_base::acl_get): New prototype.
(fhander_base::acl_set): Ditto.
(fhandler_disk_file::acl_get): Ditto.
(fhandler_disk_file::acl_set): Ditto.
* include/acl/libacl.h: New file.
* include/cygwin/version.h: Bump API minor version.
* include/sys/acl.h: Drop including cygwin/acl.h. Accommodate
throughout Cygwin. Add POSIX ACL definitions.
* sec_acl.cc: Include sec_posixacl.h. Replace ILLEGAL_UID and
ILLEGAL_GID with ACL_UNDEFINED_ID where sensible.
(__aclcheck): New internal acl check function to be used for
Solaris and POSIX ACLs.
(aclcheck32): Call __aclcheck.
(__aclcalcmask): New function to compute ACL_MASK value.
(__aclsort): New internal acl sort function to be used for Solaris
and POSIX ACLs.
(aclsort32): Call __aclsort.
(permtostr): Work directly on provided buffer.
(__acltotext): New internal acltotext function to be used for
Solaris and POSIX ACLs.
(acltotext32): Call __acltotext.
(__aclfromtext): New internal aclfromtext function to be used for
Solaris and POSIX ACLs.
(aclfromtext32): Call __aclfromtext.
* sec_posixacl.cc: New file implemeting POSIX ACL functions.
* sec_posixacl.h: New internal header.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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