diff options
Diffstat (limited to 'lib/libc/posix1e/acl_branding.c')
| -rw-r--r-- | lib/libc/posix1e/acl_branding.c | 332 |
1 files changed, 0 insertions, 332 deletions
diff --git a/lib/libc/posix1e/acl_branding.c b/lib/libc/posix1e/acl_branding.c index cd0f8fc..9839477 100644 --- a/lib/libc/posix1e/acl_branding.c +++ b/lib/libc/posix1e/acl_branding.c @@ -164,335 +164,3 @@ acl_get_brand_np(acl_t acl, int *brand_p) return (0); } -/*- - * Copyright (c) 2008, 2009 Edward Tomasz Napierała <trasz@FreeBSD.org> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <assert.h> -#include <errno.h> -#include <sys/acl.h> - -#include "acl_support.h" - -/* - * An ugly detail of the implementation - fortunately not visible - * to the API users - is the "branding": libc needs to keep track - * of what "brand" ACL is: NFSv4, POSIX.1e or unknown. It happens - * automatically - for example, during acl_get_file(3) ACL gets - * branded according to the "type" argument; during acl_set_permset - * ACL, if its brand is unknown it gets branded as NFSv4 if any of the - * NFSv4 permissions that are not valid for POSIX.1e ACL are set etc. - * Branding information is used for printing out the ACL (acl_to_text(3)), - * veryfying acl_set_whatever arguments (checking against setting - * bits that are valid only for NFSv4 in ACL branded as POSIX.1e) etc. - */ - -static acl_t -entry2acl(acl_entry_t entry) -{ - acl_t aclp; - - aclp = (acl_t)(((long)entry >> _ACL_T_ALIGNMENT_BITS) << _ACL_T_ALIGNMENT_BITS); - - return (aclp); -} - -/* - * Return brand of an ACL. - */ -int -_acl_brand(const acl_t acl) -{ - - return (acl->ats_brand); -} - -int -_entry_brand(const acl_entry_t entry) -{ - - return (_acl_brand(entry2acl(entry))); -} - -/* - * Return 1, iff branding ACL as "brand" is ok. - */ -int -_acl_brand_may_be(const acl_t acl, int brand) -{ - - if (_acl_brand(acl) == ACL_BRAND_UNKNOWN) - return (1); - - if (_acl_brand(acl) == brand) - return (1); - - return (0); -} - -int -_entry_brand_may_be(const acl_entry_t entry, int brand) -{ - - return (_acl_brand_may_be(entry2acl(entry), brand)); -} - -/* - * Brand ACL as "brand". - */ -void -_acl_brand_as(acl_t acl, int brand) -{ - - assert(_acl_brand_may_be(acl, brand)); - - acl->ats_brand = brand; -} - -void -_entry_brand_as(const acl_entry_t entry, int brand) -{ - - _acl_brand_as(entry2acl(entry), brand); -} - -int -_acl_type_not_valid_for_acl(const acl_t acl, acl_type_t type) -{ - - switch (_acl_brand(acl)) { - case ACL_BRAND_NFS4: - if (type == ACL_TYPE_NFS4) - return (0); - break; - - case ACL_BRAND_POSIX: - if (type == ACL_TYPE_ACCESS || type == ACL_TYPE_DEFAULT) - return (0); - break; - } - - return (-1); -} - -void -_acl_brand_from_type(acl_t acl, acl_type_t type) -{ - - switch (type) { - case ACL_TYPE_NFS4: - _acl_brand_as(acl, ACL_BRAND_NFS4); - break; - case ACL_TYPE_ACCESS: - case ACL_TYPE_DEFAULT: - _acl_brand_as(acl, ACL_BRAND_POSIX); - break; - default: - /* XXX: What to do here? */ - break; - } -} - -int -acl_get_brand_np(acl_t acl, int *brand_p) -{ - - if (acl == NULL || brand_p == NULL) { - errno = EINVAL; - return (-1); - } - *brand_p = _acl_brand(acl); - - return (0); -} -/*- - * Copyright (c) 2008, 2009 Edward Tomasz Napierała <trasz@FreeBSD.org> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <assert.h> -#include <errno.h> -#include <sys/acl.h> - -#include "acl_support.h" - -/* - * An ugly detail of the implementation - fortunately not visible - * to the API users - is the "branding": libc needs to keep track - * of what "brand" ACL is: NFSv4, POSIX.1e or unknown. It happens - * automatically - for example, during acl_get_file(3) ACL gets - * branded according to the "type" argument; during acl_set_permset - * ACL, if its brand is unknown it gets branded as NFSv4 if any of the - * NFSv4 permissions that are not valid for POSIX.1e ACL are set etc. - * Branding information is used for printing out the ACL (acl_to_text(3)), - * veryfying acl_set_whatever arguments (checking against setting - * bits that are valid only for NFSv4 in ACL branded as POSIX.1e) etc. - */ - -static acl_t -entry2acl(acl_entry_t entry) -{ - acl_t aclp; - - aclp = (acl_t)(((long)entry >> _ACL_T_ALIGNMENT_BITS) << _ACL_T_ALIGNMENT_BITS); - - return (aclp); -} - -/* - * Return brand of an ACL. - */ -int -_acl_brand(const acl_t acl) -{ - - return (acl->ats_brand); -} - -int -_entry_brand(const acl_entry_t entry) -{ - - return (_acl_brand(entry2acl(entry))); -} - -/* - * Return 1, iff branding ACL as "brand" is ok. - */ -int -_acl_brand_may_be(const acl_t acl, int brand) -{ - - if (_acl_brand(acl) == ACL_BRAND_UNKNOWN) - return (1); - - if (_acl_brand(acl) == brand) - return (1); - - return (0); -} - -int -_entry_brand_may_be(const acl_entry_t entry, int brand) -{ - - return (_acl_brand_may_be(entry2acl(entry), brand)); -} - -/* - * Brand ACL as "brand". - */ -void -_acl_brand_as(acl_t acl, int brand) -{ - - assert(_acl_brand_may_be(acl, brand)); - - acl->ats_brand = brand; -} - -void -_entry_brand_as(const acl_entry_t entry, int brand) -{ - - _acl_brand_as(entry2acl(entry), brand); -} - -int -_acl_type_not_valid_for_acl(const acl_t acl, acl_type_t type) -{ - - switch (_acl_brand(acl)) { - case ACL_BRAND_NFS4: - if (type == ACL_TYPE_NFS4) - return (0); - break; - - case ACL_BRAND_POSIX: - if (type == ACL_TYPE_ACCESS || type == ACL_TYPE_DEFAULT) - return (0); - break; - } - - return (-1); -} - -void -_acl_brand_from_type(acl_t acl, acl_type_t type) -{ - - switch (type) { - case ACL_TYPE_NFS4: - _acl_brand_as(acl, ACL_BRAND_NFS4); - break; - case ACL_TYPE_ACCESS: - case ACL_TYPE_DEFAULT: - _acl_brand_as(acl, ACL_BRAND_POSIX); - break; - default: - /* XXX: What to do here? */ - break; - } -} - -int -acl_get_brand_np(acl_t acl, int *brand_p) -{ - - if (acl == NULL || brand_p == NULL) { - errno = EINVAL; - return (-1); - } - *brand_p = _acl_brand(acl); - - return (0); -} |
