X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/ff6e181ae92fc6f1e89841290f461d1f2f9badd9..b7266188b87f3620ec3f9f717e57194a7dd989fe:/bsd/sys/ucred.h diff --git a/bsd/sys/ucred.h b/bsd/sys/ucred.h index bb3c1e1be..0d8b0f2a4 100644 --- a/bsd/sys/ucred.h +++ b/bsd/sys/ucred.h @@ -1,14 +1,19 @@ /* * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in - * compliance with the License. Please obtain a copy of the License at - * http://www.opensource.apple.com/apsl/ and read it before using this - * file. + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER @@ -18,7 +23,7 @@ * Please see the License for the specific language governing rights and * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */ /* @@ -55,6 +60,12 @@ * * @(#)ucred.h 8.4 (Berkeley) 1/9/95 */ +/* + * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce + * support for mandatory and extensible security protections. This notice + * is included in support of clause 2.2 (b) of the Apple Public License, + * Version 2.0. + */ #ifndef _SYS_UCRED_H_ #define _SYS_UCRED_H_ @@ -64,19 +75,25 @@ #include <sys/param.h> #include <bsm/audit.h> +struct label; + #ifdef __APPLE_API_UNSTABLE +#include <sys/queue.h> /* * In-kernel credential structure. * * Note that this structure should not be used outside the kernel, nor should - * it or copies of it be exported outside. + * it or copies of it be exported outside. */ struct ucred { TAILQ_ENTRY(ucred) cr_link; /* never modify this without KAUTH_CRED_HASH_LOCK */ u_long cr_ref; /* reference count */ - /* credential hash depends on everything from this point on (see kauth_cred_get_hashkey) */ + /* + * The credential hash depends on everything from this point on + * (see kauth_cred_get_hashkey) + */ uid_t cr_uid; /* effective user id */ uid_t cr_ruid; /* real user id */ uid_t cr_svuid; /* saved user id */ @@ -84,10 +101,34 @@ struct ucred { gid_t cr_groups[NGROUPS]; /* advisory group list */ gid_t cr_rgid; /* real group id */ gid_t cr_svgid; /* saved group id */ - uid_t cr_gmuid; /* user id for group membership purposes */ - struct auditinfo cr_au; /* user auditing data */ + uid_t cr_gmuid; /* UID for group membership purposes */ + /* + * XXX - cr_au will be replaced with cr_audit below. + * cr_au is here to keep kexts from breaking. It seems to + * be currently used by the ucred hashing as well. + */ + struct auditinfo cr_au; /* XXX This needs to go away. */ + struct label *cr_label; /* MAC label */ + + int cr_flags; /* flags on credential */ + /* + * NOTE: If anything else (besides the flags) + * added after the label, you must change + * kauth_cred_find(). + */ + struct au_session cr_audit; /* user auditing data */ }; +#ifndef _KAUTH_CRED_T +#define _KAUTH_CRED_T typedef struct ucred *kauth_cred_t; +#endif /* !_KAUTH_CRED_T */ + +/* + * Credential flags that can be set on a credential + */ +#define CRF_NOMEMBERD 0x00000001 /* memberd opt out by setgroups() */ +#define CRF_MAC_ENFORCE 0x00000002 /* force entry through MAC Framework */ + /* also forces credential cache miss */ /* * This is the external representation of struct ucred. @@ -104,11 +145,15 @@ struct xucred { #define NOCRED ((kauth_cred_t )0) /* no credential available */ #define FSCRED ((kauth_cred_t )-1) /* filesystem credential */ +#define IS_VALID_CRED(_cr) ((_cr) != NOCRED && (_cr) != FSCRED) + #ifdef KERNEL #ifdef __APPLE_API_OBSOLETE __BEGIN_DECLS int crcmp(kauth_cred_t cr1, kauth_cred_t cr2); int suser(kauth_cred_t cred, u_short *acflag); +int is_suser(void); +int is_suser1(void); int set_security_token(struct proc * p); void cru2x(kauth_cred_t cr, struct xucred *xcr); __END_DECLS