Implement POSIX.1e ACL functions
* 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>
This commit is contained in:
Corinna Vinschen
55
winsup/cygwin/include/acl/libacl.h
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55
winsup/cygwin/include/acl/libacl.h
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@@ -0,0 +1,55 @@
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/* acl/libacl.h: Non-POSIX extensions of libacl
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#ifndef _ACL_LIBACL_H
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#define _ACL_LIBACL_H
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#include <sys/acl.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Sync'd with cygwin/acl.h values. */
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#define ACL_MULTI_ERROR (0x4)
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#define ACL_DUPLICATE_ERROR (0x5)
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#define ACL_ENTRY_ERROR (0x6)
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#define ACL_MISS_ERROR (0x7)
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/* acl_to_any_text options. */
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#define TEXT_ABBREVIATE (0x01)
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#define TEXT_NUMERIC_IDS (0x02)
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#define TEXT_SOME_EFFECTIVE (0x04)
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#define TEXT_ALL_EFFECTIVE (0x08)
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#define TEXT_SMART_INDENT (0x10)
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extern int acl_check (acl_t __acl, int *__last);
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extern int acl_cmp (acl_t __acl1, acl_t __acl2);
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extern int acl_entries (acl_t __acl);
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extern int acl_equiv_mode (acl_t __acl, mode_t *__mode_p);
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extern const char *acl_error (int __code);
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extern int acl_extended_fd (int __fd);
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extern int acl_extended_file (const char *__path_p);
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extern int acl_extended_file_nofollow (const char *__path_p);
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extern acl_t acl_from_mode (mode_t __mode);
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extern int acl_get_perm (acl_permset_t __permset_d, acl_perm_t __perm);
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extern char *acl_to_any_text (acl_t __acl, const char *__prefix,
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char __separator, int __options);
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#if 0
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/* TODO */
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struct error_context;
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extern int perm_copy_file (const char *, const char *, struct error_context *);
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extern int perm_copy_fd (const char *, int, const char *, int,
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struct error_context *);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ACL_LIBACL_H */
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@@ -476,13 +476,14 @@ details. */
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292: Export rpmatch.
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293: Convert utmpname/utmpxname to int.
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294: Export clog10, clog10f.
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295: Export POSIX ACL functions.
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*/
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/* Note that we forgot to bump the api for ualarm, strtoll, strtoull,
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sigaltstack, sethostname. */
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#define CYGWIN_VERSION_API_MAJOR 0
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#define CYGWIN_VERSION_API_MINOR 294
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#define CYGWIN_VERSION_API_MINOR 295
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/* There is also a compatibity version number associated with the
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shared memory regions. It is incremented when incompatible
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@@ -12,6 +12,89 @@ details. */
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#ifndef _SYS_ACL_H
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#define _SYS_ACL_H
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#include <cygwin/acl.h>
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#include <_ansi.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* POSIX ACL types and functions. The implementation is based on the
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internal original Solaris implementation as defined in cygwin/acl.h.
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However, we don't include cygwin/acl.h from here to avoid poisoning
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the namespace. */
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/* acl_perm_t constants */
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#define ACL_READ (0x4)
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#define ACL_WRITE (0x2)
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#define ACL_EXECUTE (0x1)
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/* acl_tag_t constants, in sync with values from cygwin/acl.h */
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#define ACL_UNDEFINED_TAG (0x0000)
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#define ACL_USER_OBJ (0x0001)
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#define ACL_USER (0x0002)
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#define ACL_GROUP_OBJ (0x0004)
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#define ACL_GROUP (0x0008)
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#define ACL_MASK (0x0010)
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#define ACL_OTHER (0x0020)
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/* acl_type_t constants */
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#define ACL_TYPE_ACCESS (0x0)
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#define ACL_TYPE_DEFAULT (0x1)
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/* qualifier constant */
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#define ACL_UNDEFINED_ID ((id_t) -1)
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/* entry_id constants */
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#define ACL_FIRST_ENTRY (0x0)
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#define ACL_NEXT_ENTRY (0x1)
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/* types */
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typedef uint32_t acl_perm_t, acl_type_t, acl_tag_t;
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typedef uint64_t acl_permset_t;
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typedef uint64_t acl_entry_t;
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struct __acl_t;
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typedef struct __acl_t *acl_t;
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extern int acl_add_perm (acl_permset_t __permset_d, acl_perm_t __perm);
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extern int acl_calc_mask (acl_t *__acl_p);
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extern int acl_clear_perms (acl_permset_t __permset_d);
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extern int acl_copy_entry (acl_entry_t __dest_d, acl_entry_t __src_d);
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extern ssize_t acl_copy_ext (void *__buf_p, acl_t __acl, ssize_t __size);
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extern acl_t acl_copy_int (const void *__buf_p);
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extern int acl_create_entry (acl_t *__acl_p, acl_entry_t *__entry_p);
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extern int acl_delete_def_file (const char *__path_p);
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extern int acl_delete_entry (acl_t __acl, acl_entry_t __entry_d);
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extern int acl_delete_perm (acl_permset_t __permset_d, acl_perm_t __perm);
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extern acl_t acl_dup (acl_t __acl);
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extern int acl_free (void *__obj_p);
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extern acl_t acl_from_text (const char *__buf_p);
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extern int acl_get_entry (acl_t __acl, int __entry_id,
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acl_entry_t *__entry_p);
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extern acl_t acl_get_fd (int __fd);
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extern acl_t acl_get_file (const char *__path_p, acl_type_t __type);
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extern int acl_get_permset (acl_entry_t __entry_d,
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acl_permset_t *__permset_p);
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extern void *acl_get_qualifier (acl_entry_t __entry_d);
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extern int acl_get_tag_type (acl_entry_t __entry_d,
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acl_tag_t *__tag_type_p);
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extern acl_t acl_init (int __count);
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extern int acl_set_fd (int __fd, acl_t __acl);
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extern int acl_set_file (const char *__path_p, acl_type_t __type,
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acl_t __acl);
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extern int acl_set_permset (acl_entry_t __entry_d,
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acl_permset_t __permset_d);
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extern int acl_set_qualifier (acl_entry_t __entry_d,
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const void *__tag_qualifier_p);
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extern int acl_set_tag_type (acl_entry_t __entry_d, acl_tag_t __tag_type);
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extern ssize_t acl_size (acl_t __acl);
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extern char *acl_to_text (acl_t __acl, ssize_t *__len_p);
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extern int acl_valid (acl_t __acl);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYS_ACL_H */
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