1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_CRYPTO_ELFSIGN_H 27 #define _SYS_CRYPTO_ELFSIGN_H 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 /* 34 * Consolidation Private Interface for elfsign/libpkcs11/kcfd 35 */ 36 37 #include <sys/zfs_context.h> 38 39 /* 40 * Project Private structures and types used for communication between kcfd 41 * and KCF over the door. 42 */ 43 44 typedef enum ELFsign_status_e { 45 ELFSIGN_UNKNOWN, 46 ELFSIGN_SUCCESS, 47 ELFSIGN_FAILED, 48 ELFSIGN_NOTSIGNED, 49 ELFSIGN_INVALID_CERTPATH, 50 ELFSIGN_INVALID_ELFOBJ, 51 ELFSIGN_RESTRICTED 52 } ELFsign_status_t; 53 54 #define KCF_KCFD_VERSION1 1 55 #define SIG_MAX_LENGTH 1024 56 57 #define ELF_SIGNATURE_SECTION ".SUNW_signature" 58 59 typedef struct kcf_door_arg_s { 60 short da_version; 61 boolean_t da_iskernel; 62 63 union { 64 char filename[MAXPATHLEN]; /* For request */ 65 66 struct kcf_door_result_s { /* For response */ 67 ELFsign_status_t status; 68 uint32_t siglen; 69 uchar_t signature[1]; 70 } result; 71 } da_u; 72 } kcf_door_arg_t; 73 74 typedef uint32_t filesig_vers_t; 75 76 /* 77 * File Signature Structure 78 * Applicable to ELF and other file formats 79 */ 80 struct filesignatures { 81 uint32_t filesig_cnt; /* count of signatures */ 82 uint32_t filesig_pad; /* unused */ 83 union { 84 char filesig_data[1]; 85 struct filesig { /* one of these for each signature */ 86 uint32_t filesig_size; 87 filesig_vers_t filesig_version; 88 union { 89 struct filesig_version1 { 90 uint32_t filesig_v1_dnsize; 91 uint32_t filesig_v1_sigsize; 92 uint32_t filesig_v1_oidsize; 93 char filesig_v1_data[1]; 94 } filesig_v1; 95 struct filesig_version3 { 96 uint64_t filesig_v3_time; 97 uint32_t filesig_v3_dnsize; 98 uint32_t filesig_v3_sigsize; 99 uint32_t filesig_v3_oidsize; 100 char filesig_v3_data[1]; 101 } filesig_v3; 102 } _u2; 103 } filesig_sig; 104 uint64_t filesig_align; 105 } _u1; 106 }; 107 #define filesig_sig _u1.filesig_sig 108 109 #define filesig_v1_dnsize _u2.filesig_v1.filesig_v1_dnsize 110 #define filesig_v1_sigsize _u2.filesig_v1.filesig_v1_sigsize 111 #define filesig_v1_oidsize _u2.filesig_v1.filesig_v1_oidsize 112 #define filesig_v1_data _u2.filesig_v1.filesig_v1_data 113 114 #define filesig_v3_time _u2.filesig_v3.filesig_v3_time 115 #define filesig_v3_dnsize _u2.filesig_v3.filesig_v3_dnsize 116 #define filesig_v3_sigsize _u2.filesig_v3.filesig_v3_sigsize 117 #define filesig_v3_oidsize _u2.filesig_v3.filesig_v3_oidsize 118 #define filesig_v3_data _u2.filesig_v3.filesig_v3_data 119 120 #define filesig_ALIGN(s) (((s) + sizeof (uint64_t) - 1) & \ 121 (-sizeof (uint64_t))) 122 #define filesig_next(ptr) (struct filesig *)((void *)((char *)(ptr) + \ 123 filesig_ALIGN((ptr)->filesig_size))) 124 125 #define FILESIG_UNKNOWN 0 /* unrecognized version */ 126 #define FILESIG_VERSION1 1 /* version1, all but sig section */ 127 #define FILESIG_VERSION2 2 /* version1 format, SHF_ALLOC only */ 128 #define FILESIG_VERSION3 3 /* version3, all but sig section */ 129 #define FILESIG_VERSION4 4 /* version3 format, SHF_ALLOC only */ 130 131 #define _PATH_KCFD_DOOR "/etc/svc/volatile/kcfd_door" 132 133 #ifdef __cplusplus 134 } 135 #endif 136 137 #endif /* _SYS_CRYPTO_ELFSIGN_H */ 138