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 /* dummy token type for alternate command */ 73 #define ADT_CMD_ALT -103 74 #define ADT_IN_PEER -104 /* peer address in_addr and in_port */ 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 enum adt_msg_list { 84 ADT_LIST_FAIL_PAM, 85 ADT_LIST_FAIL_VALUE, 86 ADT_LIST_LOGIN_TEXT, 87 ADT_LIST_UADMIN_FCN}; 88 89 enum datatype {ADT_UNDEFINED = 0, 90 ADT_DATE, 91 ADT_MSG, 92 ADT_UINT, 93 ADT_INT, 94 ADT_INT32, 95 ADT_UINT16, 96 ADT_UINT32, 97 ADT_UINT32STAR, 98 ADT_UINT32ARRAY, 99 ADT_UID, 100 ADT_GID, 101 ADT_UIDSTAR, 102 ADT_GIDSTAR, 103 ADT_UINT64, 104 ADT_LONG, 105 ADT_ULONG, 106 ADT_CHAR, 107 ADT_CHARSTAR, 108 ADT_CHAR2STAR, /* char ** */ 109 ADT_PID, 110 ADT_PRIVSTAR, 111 ADT_TERMIDSTAR, 112 ADT_MLABELSTAR, 113 ADT_FD 114 }; 115 typedef enum datatype datatype_t; 116 117 union convert { 118 enum adt_generic msg_selector; 119 boolean_t tbool; 120 uint_t tuint; 121 int tint; 122 int32_t tint32; 123 uint16_t tuint16; 124 uint32_t tuint32; 125 uint64_t tuint64; 126 int32_t *tint32star; 127 uint32_t *tuint32star; 128 uid_t tuid; 129 gid_t tgid; 130 uid_t *tuidstar; 131 gid_t *tgidstar; 132 pid_t tpid; 133 long tlong; 134 ulong_t tulong; 135 char tchar; 136 char *tcharstar; 137 char **tchar2star; 138 au_tid_addr_t *ttermid; 139 priv_set_t *tprivstar; 140 m_label_t *tm_label; 141 fd_t tfd; 142 }; 143 144 struct adt_event_state { 145 union union_of_events ae_event_data; 146 147 /* above is user's area; below is internal. Order matters */ 148 149 uint_t ae_check; /* see adt_internal_state */ 150 int ae_event_handle; 151 au_event_t ae_event_id; /* external id */ 152 au_event_t ae_internal_id; /* translated */ 153 int ae_rc; /* exit token rc */ 154 int ae_type; /* exit error type */ 155 struct adt_internal_state *ae_session; 156 }; 157 158 struct datadefs { 159 datatype_t dd_datatype; /* input data type */ 160 size_t dd_input_size; /* input data size */ 161 }; 162 typedef struct datadefs datadef; 163 164 typedef void (* adt_token_func_t)(datadef *, void *, int, 165 struct adt_event_state *, char *); 166 167 typedef char *(* adt_msg_func_t)(enum adt_generic); 168 169 #define ADT_VALID 0xAAAA5555 170 171 struct adt_internal_state { 172 uint32_t as_check; /* == ADT_VALID when created, */ 173 /* == zero when freed */ 174 uid_t as_euid; 175 uid_t as_ruid; 176 gid_t as_egid; 177 gid_t as_rgid; 178 179 struct auditinfo_addr as_info; 180 /* 181 * ai_auid audit id 182 * ai_mask.am_success pre-selection mask 183 * ai_mask.am_failure 184 * ai_termid .at_port terminal id 185 * .at_type 186 * .ai_termid.at_addr[0] 187 * .ai_termid.at_addr[1] 188 * .ai_termid.at_addr[2] 189 * .ai_termid.at_addr[3] 190 * ai_asid session id 191 */ 192 int as_audit_enabled; /* audit enable/disable state */ 193 /* 194 * data above this line is exported / imported 195 * To maintain upward compatibility, the above structures 196 * can't change, so for version 2, all changes will need 197 * to be added here and the old format (above) maintained. 198 */ 199 200 uint32_t as_have_user_data; 201 202 int as_kernel_audit_policy; 203 int as_session_model; 204 adt_session_flags_t as_flags; 205 pid_t as_pid; 206 m_label_t *as_label; /* if is_system_labeled */ 207 adt_translation_t **as_xlate; 208 void (*as_preload)(au_event_t, adt_event_data_t *); 209 }; 210 211 /* 212 * export data format 213 * version number changes when adt_internal_state's export portion 214 * changes. 215 */ 216 #define PROTOCOL_VERSION_1 1 217 #define PROTOCOL_VERSION_2 2 218 219 /* 220 * most recent version is at the top; down level consumers are 221 * expected to search down via "prev_offsetX" to a version they 222 * understand. "v1" is first, "v0" is used to illustrate correct 223 * order for future use. 224 */ 225 226 struct adt_export_v2 { 227 int32_t ax_euid; 228 int32_t ax_ruid; 229 int32_t ax_egid; 230 int32_t ax_rgid; 231 int32_t ax_auid; 232 uint32_t ax_mask_success; 233 uint32_t ax_mask_failure; 234 uint32_t ax_port; 235 uint32_t ax_type; 236 uint32_t ax_addr[4]; 237 uint32_t ax_asid; 238 int ax_audit_enabled; 239 pid_t ax_pid; 240 size32_t ax_label_len; /* 0, unlabeled */ 241 /* char ax_label[ax_label_len]; if, is_system_labeled */ 242 }; 243 struct adt_export_v1 { 244 int32_t ax_euid; 245 int32_t ax_ruid; 246 int32_t ax_egid; 247 int32_t ax_rgid; 248 int32_t ax_auid; 249 uint32_t ax_mask_success; 250 uint32_t ax_mask_failure; 251 uint32_t ax_port; 252 uint32_t ax_type; 253 uint32_t ax_addr[4]; 254 uint32_t ax_asid; 255 int ax_audit_enabled; 256 uint32_t ax_size_of_tsol_data; /* zero for non-TSOL systems */ 257 }; 258 struct export_link { 259 int32_t ax_version; 260 int32_t ax_offset; 261 }; 262 struct export_header { 263 uint32_t ax_check; 264 int32_t ax_buffer_length; 265 struct export_link ax_link; 266 }; 267 268 struct adt_export_data { 269 struct export_header ax_header; 270 271 struct adt_export_v2 ax_v2; 272 /* 273 * end of version 2 data 274 */ 275 struct export_link ax_next_v1; 276 struct adt_export_v1 ax_v1; 277 /* 278 * end of version 1 data 279 * struct export_link ax_next_A; 280 * data for older version 281 * struct adt_export_v0 ax_v0; 282 */ 283 struct export_link ax_last; /* terminator */ 284 }; 285 286 /* 287 * struct entry defines rows in tables defined in adt_xlate.c 288 */ 289 290 struct entry { 291 char en_token_id; /* token id */ 292 int en_count_types; /* # of input fields for this token */ 293 datadef *en_type_def; /* field type and size of each input */ 294 struct entry *en_next_token; /* linked list pointer */ 295 size_t en_offset; /* offset into structure for input */ 296 int en_required; /* if 1, always output a token */ 297 int en_tsol; /* if 1, reserved if for TX */ 298 char *en_msg_format; /* pointer to sprintf format string */ 299 }; 300 301 struct translation { 302 int tx_offsetsCalculated; /* eponymous */ 303 au_event_t tx_external_event; /* event id, external view */ 304 au_event_t tx_internal_event; /* event id, internal view */ 305 int tx_entries; /* array size of entry array */ 306 struct entry *tx_first_entry; /* start of linked list */ 307 struct entry *tx_top_entry; /* first array element */ 308 }; 309 310 struct token_jmp { 311 long jmp_id; 312 adt_token_func_t jmp_to; 313 }; 314 315 struct msg_text { 316 int ml_min_index; 317 int ml_max_index; 318 char **ml_msg_list; 319 int ml_offset; 320 }; 321 322 extern struct msg_text adt_msg_text[]; 323 324 extern void adt_write_syslog(const char *, int); 325 extern void adt_token_open(struct adt_event_state *); 326 extern int adt_token_close(struct adt_event_state *); 327 extern void adt_generate_token(struct entry *, void *, 328 struct adt_event_state *); 329 extern void *adt_adjust_address(void *, size_t, size_t); 330 331 #ifdef __cplusplus 332 } 333 #endif 334 335 #endif /* _BSM_XLATE_H */ 336