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 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _BSM_LIBBSM_H 27 #define _BSM_LIBBSM_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #include <secdb.h> 32 #include <stdio.h> 33 #include <errno.h> 34 #include <sys/types.h> 35 #include <bsm/audit.h> 36 #include <bsm/audit_record.h> 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 #ifndef TEXT_DOMAIN 43 #define TEXT_DOMAIN "SUNW_OST_OSLIB" 44 #endif 45 46 extern const char *bsm_dom; 47 48 /* 49 * For audit_event(5) 50 */ 51 struct au_event_ent { 52 au_event_t ae_number; 53 char *ae_name; 54 char *ae_desc; 55 au_class_t ae_class; 56 }; 57 typedef struct au_event_ent au_event_ent_t; 58 59 /* 60 * For audit_class(5) 61 */ 62 struct au_class_ent { 63 char *ac_name; 64 au_class_t ac_class; 65 char *ac_desc; 66 }; 67 typedef struct au_class_ent au_class_ent_t; 68 69 /* 70 * For audit_user(5) 71 */ 72 struct au_user_ent { 73 char *au_name; 74 au_mask_t au_always; 75 au_mask_t au_never; 76 }; 77 typedef struct au_user_ent au_user_ent_t; 78 79 /* 80 * Internal representation of audit user in libnsl 81 */ 82 typedef struct au_user_str_s { 83 char *au_name; 84 char *au_always; 85 char *au_never; 86 } au_user_str_t; 87 88 /* 89 * opaque context value for getacval.c 90 */ 91 typedef struct au_acinfo au_acinfo_t; 92 93 /* 94 * adrf's version of adr_t 95 */ 96 typedef struct adrf_s { 97 adr_t *adrf_adr; 98 FILE *adrf_fp; 99 } adrf_t; 100 101 /* 102 * Functions that manipulate bytes from an audit file 103 */ 104 105 extern void adr_char(adr_t *, char *, int); 106 extern int adr_count(adr_t *); 107 extern void adr_int32(adr_t *, int32_t *, int); 108 extern void adr_uid(adr_t *, uid_t *, int); 109 extern void adr_int64(adr_t *, int64_t *, int); 110 extern void adr_short(adr_t *, short *, int); 111 extern void adr_start(adr_t *, char *); 112 113 extern int adrf_char(adrf_t *, char *, int); 114 extern int adrf_int32(adrf_t *, int32_t *, int); 115 extern int adrf_int64(adrf_t *, int64_t *, int); 116 extern int adrf_short(adrf_t *, short *, int); 117 extern void adrf_start(adrf_t *, adr_t *, FILE *); 118 extern int adrf_u_char(adrf_t *, uchar_t *, int); 119 extern int adrf_u_int32(adrf_t *, uint32_t *, int); 120 extern int adrf_u_int64(adrf_t *, uint64_t *, int); 121 extern int adrf_u_short(adrf_t *, ushort_t *, int); 122 123 /* 124 * Functions that manipulate bytes from an audit character stream. 125 */ 126 127 extern void adrm_start(adr_t *, char *); 128 extern void adrm_char(adr_t *, char *, int); 129 extern void adrm_short(adr_t *, short *, int); 130 extern void adrm_int64(adr_t *, int64_t *, int); 131 extern void adrm_int32(adr_t *, int32_t *, int); 132 extern void adrm_u_int32(adr_t *, uint32_t *, int); 133 extern void adrm_u_char(adr_t *, uchar_t *, int); 134 extern void adrm_u_int64(adr_t *, uint64_t *, int); 135 extern void adrm_u_short(adr_t *, ushort_t *, int); 136 extern void adrm_putint32(adr_t *, int32_t *, int); 137 138 /* 139 * Functions that do I/O for audit files 140 */ 141 142 extern int au_close(int, int, short); 143 extern int au_open(void); 144 extern int au_write(int, token_t *); 145 146 /* 147 * Functions than manipulate audit events 148 */ 149 150 extern void setauevent(void); 151 extern void endauevent(void); 152 153 extern au_event_ent_t *getauevent(void); 154 extern au_event_ent_t *getauevent_r(au_event_ent_t *); 155 extern au_event_ent_t *getauevnam(char *); 156 extern au_event_ent_t *getauevnam_r(au_event_ent_t *, char *); 157 extern au_event_ent_t *getauevnum(au_event_t); 158 extern au_event_ent_t *getauevnum_r(au_event_ent_t *, au_event_t); 159 extern au_event_t getauevnonam(char *); 160 extern int au_preselect(au_event_t, au_mask_t *, int, int); 161 extern int cacheauevent(au_event_ent_t **, au_event_t); 162 163 /* 164 * Functions that manipulate audit classes 165 */ 166 167 extern void setauclass(void); 168 extern void endauclass(void); 169 170 extern int cacheauclass(au_class_ent_t **, au_class_t); 171 extern int cacheauclassnam(au_class_ent_t **, char *); 172 extern au_class_ent_t *getauclassent(void); 173 extern au_class_ent_t *getauclassent_r(au_class_ent_t *); 174 extern au_class_ent_t *getauclassnam(char *); 175 extern au_class_ent_t *getauclassnam_r(au_class_ent_t *, char *); 176 177 /* 178 * Functions that manipulate audit attributes of users 179 */ 180 181 void setauuser(void); 182 void endauuser(void); 183 184 au_user_ent_t *getauuserent(void); 185 au_user_ent_t *getauuserent_r(au_user_ent_t *); 186 au_user_ent_t *getauusernam(char *); 187 au_user_ent_t *getauusernam_r(au_user_ent_t *, char *); 188 189 /* 190 * Functions that manipulate the audit control file 191 */ 192 193 void endac(void); 194 void setac(void); 195 196 int getacdir(char *, int); 197 int getacmin(int *); 198 int getacna(char *, int); 199 int getacflg(char *, int); 200 201 /* 202 * Functions that manipulate the audit control file 203 */ 204 205 206 au_acinfo_t *_openac(char *); 207 void _endac(au_acinfo_t *); 208 void _rewindac(au_acinfo_t *); 209 210 int _getacdir(au_acinfo_t *, char *, int); 211 int _getaclib(au_acinfo_t *, kva_t **); 212 int _getacmin(au_acinfo_t *, int *); 213 int _getacna(au_acinfo_t *, char *, int); 214 int _getacflg(au_acinfo_t *, char *, int); 215 int _getacplug(au_acinfo_t *, kva_t **); 216 217 /* 218 * Functions that manipulate audit masks 219 */ 220 221 extern int au_user_mask(char *, au_mask_t *); 222 extern int getauditflagsbin(char *, au_mask_t *); 223 extern int getauditflagschar(char *, au_mask_t *, int); 224 extern int getfauditflags(au_mask_t *, au_mask_t *, au_mask_t *); 225 226 /* 227 * Functions that do system calls 228 */ 229 230 extern int audit(char *, int); 231 extern int auditon(int, caddr_t, int); 232 extern int auditstat(au_stat_t *); 233 extern int auditsvc(int, int); 234 extern int auditdoor(int); 235 extern int getaudit(auditinfo_t *); 236 extern int getaudit_addr(auditinfo_addr_t *, int); 237 extern int getauid(au_id_t *); 238 extern int getkernstate(au_mask_t *); 239 extern int getuseraudit(au_id_t, au_mask_t *); 240 extern int setaudit(auditinfo_t *); 241 extern int setaudit_addr(auditinfo_addr_t *, int); 242 extern int setauid(au_id_t *); 243 extern int setkernstate(au_mask_t *); 244 extern int setuseraudit(au_id_t, au_mask_t *); 245 246 #define BSM_TEXTBUFSZ 256 /* size of string for generic text token */ 247 248 /* 249 * Defines for au_preselect(3) 250 */ 251 #define AU_PRS_SUCCESS 1 252 #define AU_PRS_FAILURE 2 253 #define AU_PRS_BOTH (AU_PRS_SUCCESS|AU_PRS_FAILURE) 254 255 #define AU_PRS_USECACHE 0 256 #define AU_PRS_REREAD 1 257 258 /* 259 * Defines for cacheauclass and cacheauevent 260 */ 261 #define AU_CACHE_FREE 0x0000 262 #define AU_CACHE_NAME 0x0001 263 #define AU_CACHE_NUMBER 0x0002 264 265 /* Flags for user-level audit routines: au_open, au_close, au_to_ */ 266 #define AU_TO_NO_WRITE 0 267 #define AU_TO_WRITE 1 268 269 /* system audit files for auditd */ 270 #define AUDITCLASSFILE "/etc/security/audit_class" 271 #define AUDITCONTROLFILE "/etc/security/audit_control" 272 #define AUDITDATAFILE "/etc/security/audit_data" 273 #define AUDITEVENTFILE "/etc/security/audit_event" 274 #define AUDITUSERFILE "/etc/security/audit_user" 275 276 /* array sizes for audit library structures */ 277 #define AU_CLASS_NAME_MAX 8 278 #define AU_CLASS_DESC_MAX 72 279 #define AU_EVENT_NAME_MAX 30 280 #define AU_EVENT_DESC_MAX 50 281 #define AU_EVENT_LINE_MAX 256 282 283 /* 284 * Some macros used internally by the nsswitch code 285 */ 286 #define AUDITUSER_FILENAME "/etc/security/audit_user" 287 #define AUDITUSER_DB_NAME "audit_user.org_dir" 288 #define AUDITUSER_DB_NCOL 3 /* total columns */ 289 #define AUDITUSER_DB_NKEYCOL 1 /* total searchable columns */ 290 #define AUDITUSER_DB_TBLT "audit_user_tbl" 291 #define AUDITUSER_SUCCESS 0 292 #define AUDITUSER_PARSE_ERANGE 1 293 #define AUDITUSER_NOT_FOUND 2 294 295 #define AUDITUSER_COL0_KW "name" 296 #define AUDITUSER_COL1_KW "always" 297 #define AUDITUSER_COL2_KW "never" 298 299 /* 300 * indices of searchable columns 301 */ 302 #define AUDITUSER_KEYCOL0 0 /* name */ 303 304 305 #ifdef __cplusplus 306 } 307 #endif 308 309 #endif /* _BSM_LIBBSM_H */ 310