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 * adt_xlate.h 23 * 24 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 25 * Use is subject to license terms. 26 * 27 */ 28 29 #ifndef _BSM_XLATE_H 30 #define _BSM_XLATE_H 31 32 #include <priv.h> 33 34 #include <bsm/libbsm.h> 35 36 #include <tsol/label.h> 37 38 #include "adt_event.h" 39 40 #ifdef __cplusplus 41 extern "C" { 42 #endif 43 44 #ifndef TEXT_DOMAIN 45 #define TEXT_DOMAIN "SYS_TEST" 46 #endif 47 48 /* 49 * values for adt_session_model 50 * In the session model, the session and process are unrelated, so 51 * such things as the supplementary group token make no sense. In 52 * the process model, the process and session are the same. 53 */ 54 #define ADT_SESSION_MODEL 1 55 #define ADT_PROCESS_MODEL 0 56 57 #define ADT_HAVE_MASK 0x01 58 #define ADT_HAVE_TID 0x02 59 #define ADT_HAVE_AUID 0x04 60 #define ADT_HAVE_ASID 0x08 61 #define ADT_HAVE_IDS 0x10 62 #define ADT_HAVE_ALL (uint32_t)\ 63 (ADT_HAVE_MASK | ADT_HAVE_TID | ADT_HAVE_AUID | ADT_HAVE_ASID |\ 64 ADT_HAVE_IDS) 65 66 /* 67 * dummy token types for privilege 68 */ 69 #define ADT_AUT_PRIV_L -100 /* limit set */ 70 #define ADT_AUT_PRIV_I -101 /* inherited set */ 71 #define ADT_AUT_PRIV_E -102 /* effective set */ 72 #define ADT_CMD_ALT -103 /* dummy token type for alternate command */ 73 #define ADT_IN_PEER -104 /* peer address in_addr and in_port */ 74 #define ADT_IN_REMOTE -105 /* specified address in_addr */ 75 76 enum adt_generic {ADT_GENERIC}; /* base for text enums */ 77 78 typedef struct adt_internal_state adt_internal_state_t; 79 80 union union_of_events { 81 union adt_event_data d0; 82 }; 83 84 /* 85 * The order of the lists MUST match the order in 86 * struct msg_text adt_msg_text that is generated by 87 * auditxml in adt_xlate.c. 88 */ 89 enum adt_msg_list { 90 ADT_LIST_FAIL_PAM, 91 ADT_LIST_FAIL_VALUE, 92 ADT_LIST_LOGIN_TEXT, 93 ADT_LIST_TPM_E, 94 ADT_LIST_UADMIN_FCN}; 95 96 enum datatype {ADT_UNDEFINED = 0, 97 ADT_DATE, 98 ADT_MSG, 99 ADT_UINT, 100 ADT_INT, 101 ADT_INT32, 102 ADT_UINT16, 103 ADT_UINT32, 104 ADT_UINT32STAR, 105 ADT_UINT32ARRAY, 106 ADT_UID, 107 ADT_GID, 108 ADT_UIDSTAR, 109 ADT_GIDSTAR, 110 ADT_UINT64, 111 ADT_LONG, 112 ADT_ULONG, 113 ADT_CHAR, 114 ADT_CHARSTAR, 115 ADT_CHAR2STAR, /* char ** */ 116 ADT_PID, 117 ADT_PRIVSTAR, 118 ADT_TERMIDSTAR, 119 ADT_MLABELSTAR, 120 ADT_FD 121 }; 122 typedef enum datatype datatype_t; 123 124 union convert { 125 enum adt_generic msg_selector; 126 boolean_t tbool; 127 uint_t tuint; 128 int tint; 129 int32_t tint32; 130 uint16_t tuint16; 131 uint32_t tuint32; 132 uint64_t tuint64; 133 int32_t *tint32star; 134 uint32_t *tuint32star; 135 uid_t tuid; 136 gid_t tgid; 137 uid_t *tuidstar; 138 gid_t *tgidstar; 139 pid_t tpid; 140 long tlong; 141 ulong_t tulong; 142 char tchar; 143 char *tcharstar; 144 char **tchar2star; 145 au_tid_addr_t *ttermid; 146 priv_set_t *tprivstar; 147 m_label_t *tm_label; 148 fd_t tfd; 149 }; 150 151 struct adt_event_state { 152 union union_of_events ae_event_data; 153 154 /* above is user's area; below is internal. Order matters */ 155 156 uint_t ae_check; /* see adt_internal_state */ 157 int ae_event_handle; 158 au_event_t ae_event_id; /* external id */ 159 au_event_t ae_internal_id; /* translated */ 160 int ae_rc; /* exit token rc */ 161 int ae_type; /* exit error type */ 162 struct adt_internal_state *ae_session; 163 }; 164 165 struct datadefs { 166 datatype_t dd_datatype; /* input data type */ 167 size_t dd_input_size; /* input data size */ 168 }; 169 typedef struct datadefs datadef; 170 171 typedef void (* adt_token_func_t)(datadef *, void *, int, 172 struct adt_event_state *, char *); 173 174 typedef char *(* adt_msg_func_t)(enum adt_generic); 175 176 #define ADT_VALID 0xAAAA5555 177 178 struct adt_internal_state { 179 uint32_t as_check; /* == ADT_VALID when created, */ 180 /* == zero when freed */ 181 uid_t as_euid; 182 uid_t as_ruid; 183 gid_t as_egid; 184 gid_t as_rgid; 185 186 struct auditinfo_addr as_info; 187 /* 188 * ai_auid audit id 189 * ai_mask.am_success pre-selection mask 190 * ai_mask.am_failure 191 * ai_termid .at_port terminal id 192 * .at_type 193 * .ai_termid.at_addr[0] 194 * .ai_termid.at_addr[1] 195 * .ai_termid.at_addr[2] 196 * .ai_termid.at_addr[3] 197 * ai_asid session id 198 */ 199 int as_audit_enabled; /* audit enable/disable state */ 200 /* 201 * data above this line is exported / imported 202 * To maintain upward compatibility, the above structures 203 * can't change, so for version 2, all changes will need 204 * to be added here and the old format (above) maintained. 205 */ 206 207 uint32_t as_have_user_data; 208 209 int as_kernel_audit_policy; 210 int as_session_model; 211 adt_session_flags_t as_flags; 212 pid_t as_pid; 213 m_label_t *as_label; /* if is_system_labeled */ 214 adt_translation_t **as_xlate; 215 void (*as_preload)(au_event_t, adt_event_data_t *); 216 }; 217 218 /* 219 * export data format 220 * version number changes when adt_internal_state's export portion 221 * changes. 222 */ 223 #define PROTOCOL_VERSION_1 1 224 #define PROTOCOL_VERSION_2 2 225 226 /* 227 * most recent version is at the top; down level consumers are 228 * expected to search down via "prev_offsetX" to a version they 229 * understand. "v1" is first, "v0" is used to illustrate correct 230 * order for future use. 231 */ 232 233 struct adt_export_v2 { 234 int32_t ax_euid; 235 int32_t ax_ruid; 236 int32_t ax_egid; 237 int32_t ax_rgid; 238 int32_t ax_auid; 239 uint32_t ax_mask_success; 240 uint32_t ax_mask_failure; 241 uint32_t ax_port; 242 uint32_t ax_type; 243 uint32_t ax_addr[4]; 244 uint32_t ax_asid; 245 int ax_audit_enabled; 246 pid_t ax_pid; 247 size32_t ax_label_len; /* 0, unlabeled */ 248 /* char ax_label[ax_label_len]; if, is_system_labeled */ 249 }; 250 struct adt_export_v1 { 251 int32_t ax_euid; 252 int32_t ax_ruid; 253 int32_t ax_egid; 254 int32_t ax_rgid; 255 int32_t ax_auid; 256 uint32_t ax_mask_success; 257 uint32_t ax_mask_failure; 258 uint32_t ax_port; 259 uint32_t ax_type; 260 uint32_t ax_addr[4]; 261 uint32_t ax_asid; 262 int ax_audit_enabled; 263 uint32_t ax_size_of_tsol_data; /* zero for non-TSOL systems */ 264 }; 265 struct export_link { 266 int32_t ax_version; 267 int32_t ax_offset; 268 }; 269 struct export_header { 270 uint32_t ax_check; 271 int32_t ax_buffer_length; 272 struct export_link ax_link; 273 }; 274 275 struct adt_export_data { 276 struct export_header ax_header; 277 278 struct adt_export_v2 ax_v2; 279 /* 280 * end of version 2 data 281 */ 282 struct export_link ax_next_v1; 283 struct adt_export_v1 ax_v1; 284 /* 285 * end of version 1 data 286 * struct export_link ax_next_A; 287 * data for older version 288 * struct adt_export_v0 ax_v0; 289 */ 290 struct export_link ax_last; /* terminator */ 291 }; 292 293 /* 294 * struct entry defines rows in tables defined in adt_xlate.c 295 */ 296 297 struct entry { 298 char en_token_id; /* token id */ 299 int en_count_types; /* # of input fields for this token */ 300 datadef *en_type_def; /* field type and size of each input */ 301 struct entry *en_next_token; /* linked list pointer */ 302 size_t en_offset; /* offset into structure for input */ 303 int en_required; /* if 1, always output a token */ 304 int en_tsol; /* if 1, reserved if for TX */ 305 char *en_msg_format; /* pointer to sprintf format string */ 306 }; 307 308 struct translation { 309 int tx_offsetsCalculated; /* eponymous */ 310 au_event_t tx_external_event; /* event id, external view */ 311 au_event_t tx_internal_event; /* event id, internal view */ 312 int tx_entries; /* array size of entry array */ 313 struct entry *tx_first_entry; /* start of linked list */ 314 struct entry *tx_top_entry; /* first array element */ 315 }; 316 317 struct token_jmp { 318 long jmp_id; 319 adt_token_func_t jmp_to; 320 }; 321 322 struct msg_text { 323 int ml_min_index; 324 int ml_max_index; 325 char **ml_msg_list; 326 int ml_offset; 327 }; 328 329 extern struct msg_text adt_msg_text[]; 330 331 extern void adt_write_syslog(const char *, int); 332 extern void adt_token_open(struct adt_event_state *); 333 extern int adt_token_close(struct adt_event_state *); 334 extern void adt_generate_token(struct entry *, void *, 335 struct adt_event_state *); 336 extern void *adt_adjust_address(void *, size_t, size_t); 337 338 #ifdef __cplusplus 339 } 340 #endif 341 342 #endif /* _BSM_XLATE_H */ 343