1/*
2 * Copyright (c) 2006 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29#ifndef _SYS_CODESIGN_H_
30#define _SYS_CODESIGN_H_
31
32#if KERNEL
33#include <kern/cs_blobs.h>
34#else
35#include <System/kern/cs_blobs.h>
36#endif
37
38/* MAC flags used by F_ADDFILESIGS_* */
39#define MAC_VNODE_CHECK_DYLD_SIM 0x1 /* tells the MAC framework that dyld-sim is being loaded */
40
41/* csops operations */
42#define CS_OPS_STATUS 0 /* return status */
43#define CS_OPS_MARKINVALID 1 /* invalidate process */
44#define CS_OPS_MARKHARD 2 /* set HARD flag */
45#define CS_OPS_MARKKILL 3 /* set KILL flag (sticky) */
46#ifdef KERNEL_PRIVATE
47/* CS_OPS_PIDPATH 4 */
48#endif
49#define CS_OPS_CDHASH 5 /* get code directory hash */
50#define CS_OPS_PIDOFFSET 6 /* get offset of active Mach-o slice */
51#define CS_OPS_ENTITLEMENTS_BLOB 7 /* get entitlements blob */
52#define CS_OPS_MARKRESTRICT 8 /* set RESTRICT flag (sticky) */
53#define CS_OPS_SET_STATUS 9 /* set codesign flags */
54#define CS_OPS_BLOB 10 /* get codesign blob */
55#define CS_OPS_IDENTITY 11 /* get codesign identity */
56#define CS_OPS_CLEARINSTALLER 12 /* clear INSTALLER flag */
57#define CS_OPS_CLEARPLATFORM 13 /* clear platform binary status (DEVELOPMENT-only) */
58#define CS_OPS_TEAMID 14 /* get team id */
59
60#define CS_MAX_TEAMID_LEN 64
61
62#ifndef KERNEL
63
64#include <sys/types.h>
65#include <mach/message.h>
66
67__BEGIN_DECLS
68/* code sign operations */
69int csops(pid_t pid, unsigned int ops, void * useraddr, size_t usersize);
70int csops_audittoken(pid_t pid, unsigned int ops, void * useraddr, size_t usersize, audit_token_t * token);
71__END_DECLS
72
73#else /* !KERNEL */
74
75#include <mach/machine.h>
76#include <mach/vm_types.h>
77
78#include <sys/cdefs.h>
79#include <sys/_types/_off_t.h>
80
81struct vnode;
82struct cs_blob;
83struct fileglob;
84
85__BEGIN_DECLS
86int cs_valid(struct proc *);
87int cs_process_enforcement(struct proc *);
88int cs_process_global_enforcement(void);
89int cs_system_enforcement(void);
90int cs_require_lv(struct proc *);
91int csproc_forced_lv(struct proc* p);
92int cs_system_require_lv(void);
93uint32_t cs_entitlement_flags(struct proc *p);
94int cs_entitlements_blob_get(struct proc *, void **, size_t *);
95int cs_restricted(struct proc *);
96uint8_t * cs_get_cdhash(struct proc *);
97
98struct cs_blob * csproc_get_blob(struct proc *);
99struct cs_blob * csvnode_get_blob(struct vnode *, off_t);
100void csvnode_print_debug(struct vnode *);
101
102off_t csblob_get_base_offset(struct cs_blob *);
103vm_size_t csblob_get_size(struct cs_blob *);
104vm_address_t csblob_get_addr(struct cs_blob *);
105const char * csblob_get_teamid(struct cs_blob *);
106const char * csblob_get_identity(struct cs_blob *);
107const uint8_t * csblob_get_cdhash(struct cs_blob *);
108int csblob_get_platform_binary(struct cs_blob *);
109unsigned int csblob_get_flags(struct cs_blob *);
110uint8_t csblob_get_hashtype(struct cs_blob const *);
111unsigned int csblob_get_signer_type(struct cs_blob *);
112#if DEVELOPMENT || DEBUG
113void csproc_clear_platform_binary(struct proc *);
114#endif
115
116void csproc_disable_enforcement(struct proc* p);
117void csproc_mark_invalid_allowed(struct proc* p);
118int csproc_check_invalid_allowed(struct proc* p);
119int csproc_hardened_runtime(struct proc* p);
120
121int csblob_get_entitlements(struct cs_blob *, void **, size_t *);
122
123const CS_GenericBlob *
124 csblob_find_blob(struct cs_blob *, uint32_t, uint32_t);
125const CS_GenericBlob *
126 csblob_find_blob_bytes(const uint8_t *, size_t, uint32_t, uint32_t);
127void * csblob_entitlements_dictionary_copy(struct cs_blob *csblob);
128void csblob_entitlements_dictionary_set(struct cs_blob *csblob, void * entitlements);
129
130/*
131 * Mostly convenience functions below
132 */
133
134const char * csproc_get_teamid(struct proc *);
135const char * csvnode_get_teamid(struct vnode *, off_t);
136int csproc_get_platform_binary(struct proc *);
137int csproc_get_prod_signed(struct proc *);
138const char * csfg_get_teamid(struct fileglob *);
139int csfg_get_path(struct fileglob *, char *, int *);
140int csfg_get_platform_binary(struct fileglob *);
141uint8_t * csfg_get_cdhash(struct fileglob *, uint64_t, size_t *);
142int csfg_get_prod_signed(struct fileglob *);
143unsigned int csfg_get_signer_type(struct fileglob *);
144const char *csfg_get_identity(struct fileglob *fg, off_t offset);
145unsigned int csproc_get_signer_type(struct proc *);
146
147uint8_t csfg_get_platform_identifier(struct fileglob *, off_t);
148uint8_t csvnode_get_platform_identifier(struct vnode *, off_t);
149uint8_t csproc_get_platform_identifier(struct proc *);
150
151extern int cs_debug;
152extern int cs_debug_fail_on_unsigned_code;
153extern unsigned int cs_debug_unsigned_exec_failures;
154extern unsigned int cs_debug_unsigned_mmap_failures;
155
156int cs_blob_create_validated(vm_address_t* addr, vm_size_t size,
157 struct cs_blob ** ret_blob, CS_CodeDirectory const **ret_cd);
158
159void cs_blob_free(struct cs_blob *blob);
160
161#ifdef XNU_KERNEL_PRIVATE
162
163void cs_init(void);
164int cs_allow_invalid(struct proc *);
165int cs_invalid_page(addr64_t vaddr, boolean_t *cs_killed);
166int csproc_get_platform_path(struct proc *);
167
168#if !SECURE_KERNEL
169extern int cs_enforcement_panic;
170#endif
171
172#endif /* XNU_KERNEL_PRIVATE */
173
174
175__END_DECLS
176
177
178
179#endif /* KERNEL */
180
181#endif /* _SYS_CODESIGN_H_ */
182