diff options
Diffstat (limited to 'lib/acl-internal.h')
| -rw-r--r-- | lib/acl-internal.h | 106 |
1 files changed, 68 insertions, 38 deletions
diff --git a/lib/acl-internal.h b/lib/acl-internal.h index a6974d9..636273e 100644 --- a/lib/acl-internal.h +++ b/lib/acl-internal.h @@ -1,6 +1,6 @@ -/* Internal implementation of access control lists. +/* Internal implementation of access control lists. -*- coding: utf-8 -*- - Copyright (C) 2002-2003, 2005-2012 Free Software Foundation, Inc. + Copyright (C) 2002-2003, 2005-2016 Free Software Foundation, Inc. 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 @@ -44,16 +44,7 @@ extern int acl (char *, int, int, struct acl *); extern int aclsort (int, int, struct acl *); #endif -#include "error.h" -#include "quote.h" - #include <errno.h> -#ifndef ENOSYS -# define ENOSYS (-1) -#endif -#ifndef ENOTSUP -# define ENOTSUP (-1) -#endif #include <limits.h> #ifndef MIN @@ -69,19 +60,9 @@ extern int aclsort (int, int, struct acl *); # define fchmod(fd, mode) (-1) #endif -/* Recognize some common errors such as from an NFS mount that does - not support ACLs, even when local drives do. */ -#if defined __APPLE__ && defined __MACH__ /* Mac OS X */ -# define ACL_NOT_WELL_SUPPORTED(Err) \ - ((Err) == ENOTSUP || (Err) == ENOSYS || (Err) == EINVAL || (Err) == EBUSY || (Err) == ENOENT) -#elif defined EOPNOTSUPP /* Tru64 NFS */ -# define ACL_NOT_WELL_SUPPORTED(Err) \ - ((Err) == ENOTSUP || (Err) == ENOSYS || (Err) == EINVAL || (Err) == EBUSY || (Err) == EOPNOTSUPP) -#else -# define ACL_NOT_WELL_SUPPORTED(Err) \ - ((Err) == ENOTSUP || (Err) == ENOSYS || (Err) == EINVAL || (Err) == EBUSY) +#ifndef _GL_INLINE_HEADER_BEGIN + #error "Please include config.h first." #endif - _GL_INLINE_HEADER_BEGIN #ifndef ACL_INTERNAL_INLINE # define ACL_INTERNAL_INLINE _GL_INLINE @@ -146,18 +127,13 @@ rpl_acl_set_fd (int fd, acl_t acl) # define acl_extended_file(name) (-1) # endif -/* Linux-specific */ -# ifndef HAVE_ACL_FROM_MODE -# define HAVE_ACL_FROM_MODE false -# define acl_from_mode(mode) (NULL) +# if ! defined HAVE_ACL_FROM_MODE && ! defined HAVE_ACL_FROM_TEXT +# define acl_from_mode (NULL) # endif -/* Set to 1 if a file's mode is implicit by the ACL. - Set to 0 if a file's mode is stored independently from the ACL. */ +/* Set to 0 if a file's mode is stored independently from the ACL. */ # if (HAVE_ACL_COPY_EXT_NATIVE && HAVE_ACL_CREATE_ENTRY_NP) || defined __sgi /* Mac OS X, IRIX */ # define MODE_INSIDE_ACL 0 -# else -# define MODE_INSIDE_ACL 1 # endif /* Return the number of entries in ACL. @@ -179,28 +155,31 @@ extern int acl_extended_nontrivial (acl_t); Return 0 if it is trivial, i.e. equivalent to a simple stat() mode. Return -1 and set errno upon failure to determine it. */ extern int acl_access_nontrivial (acl_t); + +/* ACL is an ACL, from a file, stored as type ACL_TYPE_DEFAULT. + Return 1 if the given ACL is non-trivial. + Return 0 if it is trivial, i.e. equivalent to a simple stat() mode. + Return -1 and set errno upon failure to determine it. */ +extern int acl_default_nontrivial (acl_t); # endif # elif HAVE_FACL && defined GETACL /* Solaris, Cygwin, not HP-UX */ -/* Set to 1 if a file's mode is implicit by the ACL. - Set to 0 if a file's mode is stored independently from the ACL. */ +/* Set to 0 if a file's mode is stored independently from the ACL. */ # if defined __CYGWIN__ /* Cygwin */ # define MODE_INSIDE_ACL 0 -# else /* Solaris */ -# define MODE_INSIDE_ACL 1 # endif /* Return 1 if the given ACL is non-trivial. Return 0 if it is trivial, i.e. equivalent to a simple stat() mode. */ -extern int acl_nontrivial (int count, aclent_t *entries); +extern int acl_nontrivial (int count, aclent_t *entries) _GL_ATTRIBUTE_PURE; # ifdef ACE_GETACL /* Solaris 10 */ /* Test an ACL retrieved with ACE_GETACL. Return 1 if the given ACL, consisting of COUNT entries, is non-trivial. Return 0 if it is trivial, i.e. equivalent to a simple stat() mode. */ -extern int acl_ace_nontrivial (int count, ace_t *entries); +extern int acl_ace_nontrivial (int count, ace_t *entries) _GL_ATTRIBUTE_PURE; /* Definitions for when the built executable is executed on Solaris 10 (newer version) or Solaris 11. */ @@ -239,7 +218,7 @@ extern int acl_ace_nontrivial (int count, ace_t *entries); /* Return 1 if the given ACL is non-trivial. Return 0 if it is trivial, i.e. equivalent to a simple stat() mode. */ -extern int acl_nontrivial (int count, struct acl_entry *entries, struct stat *sb); +extern int acl_nontrivial (int count, struct acl_entry *entries); # if HAVE_ACLV_H /* HP-UX >= 11.11 */ @@ -267,6 +246,57 @@ extern int acl_nontrivial (int count, struct acl *entries); # endif +/* Set to 1 if a file's mode is implicit by the ACL. */ +# ifndef MODE_INSIDE_ACL +# define MODE_INSIDE_ACL 1 +# endif + +#endif + +struct permission_context { + mode_t mode; +#if USE_ACL +# if HAVE_ACL_GET_FILE /* Linux, FreeBSD, Mac OS X, IRIX, Tru64 */ + acl_t acl; +# if !HAVE_ACL_TYPE_EXTENDED + acl_t default_acl; +# endif + bool acls_not_supported; + +# elif defined GETACL /* Solaris, Cygwin */ + int count; + aclent_t *entries; +# ifdef ACE_GETACL + int ace_count; + ace_t *ace_entries; +# endif + +# elif HAVE_GETACL /* HP-UX */ + struct acl_entry entries[NACLENTRIES]; + int count; +# if HAVE_ACLV_H + struct acl aclv_entries[NACLVENTRIES]; + int aclv_count; +# endif + +# elif HAVE_STATACL /* older AIX */ + union { struct acl a; char room[4096]; } u; + bool have_u; + +# elif HAVE_ACLSORT /* NonStop Kernel */ + struct acl entries[NACLENTRIES]; + int count; + +# endif +#endif +}; + +int get_permissions (const char *, int, mode_t, struct permission_context *); +int set_permissions (struct permission_context *, const char *, int); +void free_permission_context (struct permission_context *) +#if ! (defined USE_ACL && (HAVE_ACL_GET_FILE || defined GETACL)) + _GL_ATTRIBUTE_CONST #endif + ; _GL_INLINE_HEADER_END |