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 (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. 23 */ 24 25 #ifndef _LIBSCF_PRIV_H 26 #define _LIBSCF_PRIV_H 27 28 29 #include <libscf.h> 30 #include <unistd.h> 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 /* 37 * NOTE 38 * 39 * The contents of this file are private to the implementation of Solaris 40 * and are subject to change at any time without notice. 41 */ 42 43 #define SCF_PG_GENERAL_TYPE SCF_GROUP_FRAMEWORK 44 #define SCF_PG_GENERAL_FLAGS 0 45 46 #define SCF_PG_GENERAL_OVR_TYPE SCF_GROUP_FRAMEWORK 47 #define SCF_PG_GENERAL_OVR_FLAGS SCF_PG_FLAG_NONPERSISTENT 48 49 #define SCF_PG_DEATHROW_TYPE SCF_GROUP_FRAMEWORK 50 #define SCF_PG_DEATHROW_FLAGS SCF_PG_FLAG_NONPERSISTENT 51 52 #define SCF_PG_OPTIONS_TYPE SCF_GROUP_FRAMEWORK 53 #define SCF_PG_OPTIONS_FLAGS 0 54 55 #define SCF_PG_OPTIONS_OVR_TYPE SCF_GROUP_FRAMEWORK 56 #define SCF_PG_OPTIONS_OVR_FLAGS SCF_PG_FLAG_NONPERSISTENT 57 58 #define SCF_PG_RESTARTER_TYPE SCF_GROUP_FRAMEWORK 59 #define SCF_PG_RESTARTER_FLAGS SCF_PG_FLAG_NONPERSISTENT 60 61 #define SCF_PG_RESTARTER_ACTIONS_TYPE SCF_GROUP_FRAMEWORK 62 #define SCF_PG_RESTARTER_ACTIONS_FLAGS SCF_PG_FLAG_NONPERSISTENT 63 64 #define SCF_PROPERTY_CLEAR ((const char *)"maint_off") 65 #define SCF_PROPERTY_MAINTENANCE ((const char *)"maint_on") 66 67 #define SCF_PROPERTY_LOGFILE ((const char *)"logfile") 68 #define SCF_PROPERTY_ALT_LOGFILE ((const char *)"alt_logfile") 69 70 #define SCF_LEGACY_SERVICE ((const char *)"smf/legacy_run") 71 72 #define SCF_LEGACY_PROPERTY_NAME ((const char *)"name") 73 #define SCF_LEGACY_PROPERTY_INODE ((const char *)"inode") 74 #define SCF_LEGACY_PROPERTY_SUFFIX ((const char *)"suffix") 75 76 #define SCF_FMRI_TYPE_SVC 0x1 77 #define SCF_FMRI_TYPE_FILE 0x2 78 79 /* 80 * Strings for use in constructing FMRIs 81 */ 82 #define SCF_FMRI_SVC_PREFIX "svc:" 83 #define SCF_FMRI_FILE_PREFIX "file:" 84 #define SCF_FMRI_SCOPE_PREFIX "//" 85 #define SCF_FMRI_LOCAL_SCOPE "localhost" 86 #define SCF_FMRI_SCOPE_SUFFIX "@localhost" 87 #define SCF_FMRI_SERVICE_PREFIX "/" 88 #define SCF_FMRI_INSTANCE_PREFIX ":" 89 #define SCF_FMRI_PROPERTYGRP_PREFIX "/:properties/" 90 #define SCF_FMRI_PROPERTY_PREFIX "/" 91 #define SCF_FMRI_LEGACY_PREFIX "lrc:" 92 93 /* 94 * sulogin Service FMRI 95 */ 96 #define SVC_SULOGIN_FMRI ((const char *)"svc:/system/sulogin") 97 98 typedef struct scf_decoration_info { 99 const char *sdi_name; 100 scf_type_t sdi_type; 101 scf_value_t *sdi_value; /* can be SCF_DECORATE_CLEAR */ 102 } scf_decoration_info_t; 103 104 typedef int (*scf_decoration_func)(const scf_decoration_info_t *, void *); 105 106 /* 107 * calls a callback function for each decoration on the handle. If the 108 * callback returns 0, the iteration stops and returns 0. If the callback 109 * returns a non-zero value, the iteration continues. After full completion, 110 * 1 is returned. On error, -1 is returned. 111 */ 112 int _scf_handle_decorations(scf_handle_t *, scf_decoration_func *, 113 scf_value_t *, void *); 114 115 /* 116 * wait for a change to the propertygroup -- may return early. 117 * For now, only one of these can be outstanding at a time. 118 * 119 * The second argument is how long, in seconds, to wait for a response. 120 * 121 * Returns SCF_COMPLETE on timeout, -1 on error, and SCF_SUCCESS in every 122 * other case. You must call scf_pg_update() to see if the object has 123 * actually changed. 124 */ 125 int _scf_pg_wait(scf_propertygroup_t *, int); 126 127 /* 128 * set up notifications for changes to a class of property groups (by name 129 * and type) 130 * 131 * Only one thread can be sleeping in _scf_notify_wait() -- others will 132 * fail. Deletions give an fmri in the output path. 133 * 134 * These do not survive unbind()->bind() -- in fact, that is currently the 135 * only way to clear them. 136 */ 137 int _scf_notify_add_pgname(scf_handle_t *, const char *); 138 int _scf_notify_add_pgtype(scf_handle_t *, const char *); 139 int _scf_notify_wait(scf_propertygroup_t *, char *, size_t); 140 141 /* 142 * Internal interfaces for snapshot creation: 143 * _scf_snapshot_take_new(), _scf_snapshot_take_new_named(), and 144 * _scf_snapshot_take_attach() create a set of snaplevels 145 * containing frozen versions of both the instance's property groups and 146 * its parent service's property groups. _scf_snapshot_take_new() and 147 * _scf_snapshot_take_new_named() create a new snapshot to which the 148 * new snaplevels are attached, while _scf_snapshot_take_attach() 149 * attaches the new snaplevels to a pre-existing snapshot. 150 * 151 * _scf_snapshot_take_new_named() records the passed in names into the 152 * snaplevel instead of the instance and service name. This creates 153 * an inconsistency, which should be resolved by using 154 * _scf_snapshot_attach() to attach the new snaplevels to a snapshot 155 * underneath the appropriate instance. The first snapshot can 156 * then be deleted. 157 * 158 * _scf_snapshot_attach(snap1, snap2) points snap2 at the snaplevels 159 * pointed to by snap1. After a call to either 160 * _scf_snapshot_take_attach(snap1, snap2) or 161 * _scf_snapshot_attach(inst, snap), scf_snapshot_update() will be 162 * required for any open references to snap or snap2 to see the new 163 * snaplevels. 164 * 165 * _scf_snapshot_delete() deletes the snapshot object. While 166 * snaplevels, being only loosely connected to snapshots, stay 167 * around until they are no longer referenced, any references *through 168 * this snapshot object* will be invalidated. 169 * 170 * _scf_snapshot_take_new() can fail with at least _HANDLE_MISMATCH, 171 * _CONNECTION_BROKEN, _INVALID_ARGUMENT, _NO_RESOURCES, _PERMISSION_DENIED, 172 * _NOT_SET, _EXISTS. 173 * 174 * _scf_snapshot_take_new_named() can fail with at least _HANDLE_MISMATCH, 175 * _CONNECTION_BROKEN, _INVALID_ARGUMENT, _NO_RESOURCES, _PERMISSION_DENIED, 176 * _NOT_SET, _EXISTS. 177 * 178 * _scf_snapshot_take_attach() can fail with _CONNECTION_BROKEN, _NOT_SET, 179 * _PERMISSION_DENIED, _NO_RESOURCES, _INVALID_ARGUMENT. 180 * 181 * _scf_snapshot_attach() can fail with _HANDLE_MISMATCH, _CONNECTION_BROKEN, 182 * _NOT_SET, _NO_RESOURCES, _PERMISSION_DENIED. 183 */ 184 int _scf_snapshot_take_new(scf_instance_t *, const char *, scf_snapshot_t *); 185 int _scf_snapshot_take_new_named(scf_instance_t *, 186 const char *, const char *, const char *, scf_snapshot_t *); 187 int _scf_snapshot_take_attach(scf_instance_t *, scf_snapshot_t *); 188 int _scf_snapshot_attach(scf_snapshot_t *, scf_snapshot_t *); 189 int _scf_snapshot_delete(scf_snapshot_t *); 190 191 /* 192 * Destructively portions up the first argument into the different portions 193 * of a svc: fmri, and returns pointers to the applicable portions. Omitted 194 * portions are set to NULL, except for the scope, which is set to the 195 * default local scope if not specified. 196 * 197 * Parsing is attempted in the order of: svc:, file:. The identified type 198 * of the service is returned in the second argument and may take a value 199 * of: SCF_FMRI_TYPE_SVC or SCF_FMRI_TYPE_FILE. 200 * 201 * Note that some of the returned pointers (in particular the scope) may not 202 * point into the passed buffer. 203 */ 204 int scf_parse_fmri(char *, int *, const char **, const char **, const char **, 205 const char **, const char **); 206 207 int scf_parse_svc_fmri(char *, const char **, const char **, const char **, 208 const char **, const char **); 209 210 int scf_parse_file_fmri(char *fmri, const char **scope, const char **path); 211 212 ssize_t scf_canonify_fmri(const char *, char *, size_t); 213 214 int _smf_refresh_instance_i(scf_instance_t *); 215 216 typedef struct scf_simple_handle { 217 scf_handle_t *h; 218 scf_snapshot_t *snap; 219 scf_instance_t *inst; 220 scf_propertygroup_t *running_pg; 221 scf_propertygroup_t *editing_pg; 222 } scf_simple_handle_t; 223 224 void scf_simple_handle_destroy(scf_simple_handle_t *); 225 scf_simple_handle_t *scf_general_pg_setup(const char *, const char *); 226 scf_transaction_t *scf_transaction_setup(scf_simple_handle_t *); 227 int scf_transaction_restart(scf_simple_handle_t *, scf_transaction_t *); 228 int scf_read_count_property(scf_simple_handle_t *, char *, uint64_t *); 229 int scf_set_count_property(scf_transaction_t *, char *, uint64_t, boolean_t); 230 231 /* 232 * Walks all the instances matching a given fmri list. Each fmri in the array 233 * can be one of the following: 234 * 235 * - Full instance name 236 * - Full service name 237 * - Full property group or property name 238 * - Partial service or instance name 239 * - A globbed pattern 240 * 241 * The matching rules for partial fmris are a slightly more complex. We allow 242 * for any substring anchored at the end of the instance or service name, 243 * provided it begins with a complete element in the fmri. For example, given 244 * the fmri "svc:/system/filesystem/local:default", any of the following would 245 * be acceptable matches: 'default', 'local', 'local:default', 246 * 'filesystem/local'. The following would not be acceptable: 247 * 'system/filesystem', 'filesystem/loc', 'system/local'. Possible flag values: 248 * 249 * SCF_WALK_MULTIPLE Allow individual arguments to correspond to 250 * multiple instances. 251 * 252 * SCF_WALK_LEGACY Walk legacy services (indicated by a non-NULL 253 * propery group). 254 * 255 * SCF_WALK_SERVICE If the user specifies a service, pass the 256 * service to the callback without iterating over 257 * its instances. 258 * 259 * SCF_WALK_PROPERTY Allow FMRIs which match property groups or 260 * individual properties. Incompatible with 261 * SCF_WALK_LEGACY. 262 * 263 * SCF_WALK_NOINSTANCE Walk only services. Must be used in 264 * conjunction with SCF_WALK_SERVICE. 265 * 266 * SCF_WALK_EXPLICIT Walk only services if the match is exact 267 * else return instances. Must be used in 268 * conjunction with SCF_WALK_SERVICE. 269 * 270 * If no arguments are given, then all instances in the service graph are 271 * walked. 272 * 273 * The second to last parameter is set to UU_EXIT_FATAL if one of the arguments 274 * is an invalid FMRI or matches multiple FMRIs when SCF_WALK_MULTIPLE is not 275 * set. 276 * 277 * The last parameter is a user-supplied error function that is called when 278 * reporting invalid arguments. 279 */ 280 281 #define SCF_WALK_MULTIPLE 0x01 282 #define SCF_WALK_LEGACY 0x02 283 #define SCF_WALK_SERVICE 0x04 284 #define SCF_WALK_PROPERTY 0x08 285 #define SCF_WALK_NOINSTANCE 0x10 286 #define SCF_WALK_EXPLICIT 0x20 287 288 /* 289 * The default locations of the repository dbs 290 */ 291 #define REPOSITORY_DB "/etc/svc/repository.db" 292 #define NONPERSIST_DB "/etc/svc/volatile/svc_nonpersist.db" 293 #define FAST_REPOSITORY_DB "/etc/svc/volatile/fast_repository.db" 294 #define REPOSITORY_CHECKPOINT "/etc/svc/volatile/checkpoint_repository.db" 295 296 297 typedef struct scf_walkinfo { 298 const char *fmri; 299 scf_scope_t *scope; 300 scf_service_t *svc; 301 scf_instance_t *inst; 302 scf_propertygroup_t *pg; 303 scf_property_t *prop; 304 int count; /* svcprop special */ 305 } scf_walkinfo_t; 306 307 typedef int (*scf_walk_callback)(void *, scf_walkinfo_t *); 308 309 scf_error_t scf_walk_fmri(scf_handle_t *, int, char **, int, 310 scf_walk_callback, void *, int *, void (*)(const char *, ...)); 311 312 /* 313 * Requests a backup of the repository with a particular name, which 314 * can be any alphabetic string. Only privileged users can do this. 315 * 316 * Can fail with: 317 * _NOT_BOUND, _CONNECTION_BROKEN, _PERMISSION_DENIED, _INVALID_ARGUMENT, 318 * _INTERNAL (path too long, or the backup failed for an odd reason), 319 * _BACKEND_READONLY (filesystem is still read-only) 320 */ 321 int _scf_request_backup(scf_handle_t *, const char *); 322 323 /* 324 * Repository switch client 325 */ 326 int _scf_repository_switch(scf_handle_t *, int); 327 328 /* 329 * Determines whether a property group requires authorization to read; this 330 * does not in any way reflect whether the caller has that authorization. 331 * To determine that, the caller must attempt to read the value of one of the 332 * group's properties. 333 * 334 * Can fail with: 335 * _NOT_BOUND, _CONNECTION_BROKEN, _INVALID_ARGUMENT, _INTERNAL, 336 * _NO_RESOURCES, _CONSTRAINT_VIOLATED, _DELETED. 337 */ 338 int _scf_pg_is_read_protected(const scf_propertygroup_t *, boolean_t *); 339 340 /* 341 * Sets annotation data for SMF audit logging. Once this function has been 342 * set, the next audit record will be preceded by an ADT_smf_annotation 343 * with the information provided in this function. This function is used 344 * to mark operations which comprise multiple primitive operations such as 345 * svccfg import. 346 */ 347 int _scf_set_annotation(scf_handle_t *h, const char *operation, 348 const char *file); 349 350 /* 351 * scf_pattern_t 352 */ 353 typedef struct scf_pattern { 354 enum { 355 PATTERN_INVALID, /* Uninitialized state */ 356 PATTERN_EXACT, 357 PATTERN_GLOB, 358 PATTERN_PARTIAL 359 } sp_type; 360 char *sp_arg; /* Original argument */ 361 struct scf_match *sp_matches; /* List of matches */ 362 int sp_matchcount; /* # of matches */ 363 } scf_pattern_t; 364 365 int scf_cmp_pattern(char *, scf_pattern_t *); 366 367 int gen_filenms_from_fmri(const char *, const char *, char *, char *); 368 369 /* 370 * Interfaces for bulk access to SMF-stored configuration. 371 * 372 * Each scf_propvec_t represents a single property to be read (with 373 * scf_read_propvec) or written (with scf_write_propvec). 374 * 375 * The fields of a scf_propvec_t have the following meanings: 376 * 377 * pv_prop - the name of the property 378 * pv_desc - a description string (optional; to be consumed by the caller) 379 * pv_type - the type of the property 380 * pv_ptr - where to store the data read, or a pointer to the data to 381 * be written 382 * pv_aux - additional data influencing the interpretation of pv_ptr 383 * 384 * The meaning of pv_ptr and pv_aux depends on the type of property. For: 385 * 386 * boolean - if pv_aux is 0, pv_ptr is a pointer to a boolean_t 387 * if pv_aux is non-0, pv_ptr is a pointer to a uint64_t, 388 * where pv_aux indicates the bit holding the truth value. 389 * count - pv_ptr is a pointer to a uint64_t; pv_aux is unused 390 * integer - pv_ptr is a pointer to an int64_t; pv_aux is unused 391 * time - pv_ptr is a pointer to an scf_time_t; pv_aux is unused 392 * opaque - pv_ptr is a pointer to an scf_opaque_t; pv_aux is unused 393 * strings - (scf_read_propvec) pv_ptr is a pointer to a char * 394 * (scf_write_propvec) pv_ptr is a pointer to an array of char 395 * (both) pv_aux is unused 396 */ 397 typedef struct { 398 void *so_addr; 399 size_t so_size; 400 } scf_opaque_t; 401 402 typedef struct { 403 const char *pv_prop; 404 const char *pv_desc; 405 scf_type_t pv_type; 406 void *pv_ptr; 407 uint64_t pv_aux; 408 } scf_propvec_t; 409 410 void scf_clean_propvec(scf_propvec_t *); 411 int scf_read_propvec(const char *, const char *, boolean_t, scf_propvec_t *, 412 scf_propvec_t **); 413 int scf_write_propvec(const char *, const char *, scf_propvec_t *, 414 scf_propvec_t **); 415 416 scf_tmpl_errors_t *_scf_create_errors(const char *, int); 417 int _scf_tmpl_add_error(scf_tmpl_errors_t *errs, scf_tmpl_error_type_t type, 418 const char *pg_name, const char *prop_name, 419 const char *ev1, const char *ev2, const char *actual, 420 const char *tmpl_fmri, const char *tmpl_pg_name, const char *tmpl_pg_type, 421 const char *tmpl_prop_name, const char *tmpl_prop_type); 422 int _scf_tmpl_error_set_prefix(scf_tmpl_errors_t *, const char *); 423 424 /* 425 * Templates definitions 426 */ 427 428 /* 429 * For CARDINALITY_VIOLATION and RANGE_VIOLATION, te_ev1 holds 430 * the min value and te_ev2 holds the max value 431 * 432 * For MISSING_PG te_ev1 should hold the expected pg_name and 433 * expected2 holds the expected pg_type. 434 * 435 * For SCF_TERR_PG_PATTERN_CONFLICT and SCF_TERR_GENERAL_REDEFINE te_ev1 is 436 * the FMRI holding the conflicting pg_pattern. te_ev2 is the name of the 437 * conflicting pg_pattern, and actual is the type of the conflicting 438 * pg_pattern. 439 * 440 * SCF_TERR_PROP_PATTERN_CONFLICT te_ev1 is the FMRI holding the 441 * conflicting prop_pattern. te_ev2 is the name of the conflicting 442 * prop_pattern, and actual is the type of the conflicting prop_pattern. 443 * 444 * For SCF_TERR_INCLUDE_VALUES te_ev1 is the type specified for the 445 * include_values element. 446 * 447 * For all other errors, te_ev1 should hold the expected value and 448 * te_ev2 is ignored 449 * 450 * te_actual holds the current value of the property 451 */ 452 453 struct scf_tmpl_error { 454 scf_tmpl_errors_t *te_errs; 455 scf_tmpl_error_type_t te_type; 456 const char *te_pg_name; 457 const char *te_prop_name; 458 const char *te_ev1; 459 const char *te_ev2; 460 const char *te_actual; 461 const char *te_tmpl_fmri; 462 const char *te_tmpl_pg_name; 463 const char *te_tmpl_pg_type; 464 const char *te_tmpl_prop_name; 465 const char *te_tmpl_prop_type; 466 }; 467 468 /* 469 * The pg_pattern element has two optional attributes that play a part in 470 * selecting the appropriate prefix for the name of the pg_pattern property 471 * group. The two attributes are name and type. The appropriate prefix 472 * encodes the presence are absence of these attributes. 473 * 474 * SCF_PG_TM_PG_PATTERN_PREFIX neither attribute 475 * SCF_PG_TM_PG_PATTERN_N_PREFIX name only 476 * SCF_PG_TM_PG_PATTERN_T_PREFIX type only 477 * SCF_PG_TM_PG_PATTERN_NT_PREFIX both name and type 478 */ 479 #define SCF_PG_TM_PG_PAT_BASE "tm_pgpat" 480 #define SCF_PG_TM_PG_PATTERN_PREFIX ((const char *)SCF_PG_TM_PG_PAT_BASE \ 481 "_") 482 #define SCF_PG_TM_PG_PATTERN_N_PREFIX ((const char *)SCF_PG_TM_PG_PAT_BASE \ 483 "n_") 484 #define SCF_PG_TM_PG_PATTERN_T_PREFIX ((const char *)SCF_PG_TM_PG_PAT_BASE \ 485 "t_") 486 #define SCF_PG_TM_PG_PATTERN_NT_PREFIX ((const char *)SCF_PG_TM_PG_PAT_BASE \ 487 "nt_") 488 #define SCF_PG_TM_PROP_PATTERN_PREFIX ((const char *)"tm_proppat_") 489 490 /* 491 * Pad character to use when encoding strings for property names. 492 */ 493 #define SCF_ENCODE32_PAD ('-') 494 495 /* 496 * Functions for base 32 encoding/decoding 497 */ 498 int scf_decode32(const char *, size_t, char *, size_t, size_t *, char); 499 int scf_encode32(const char *, size_t, char *, size_t, size_t *, char); 500 501 /* 502 * handy functions 503 */ 504 /* 505 * _scf_sanitize_locale 506 * Make sure a locale string has only alpha-numeric or '_' characters 507 */ 508 void _scf_sanitize_locale(char *); 509 510 /* 511 * _scf_read_tmpl_prop_type_as_string() 512 * Handy function to get template property type as a string 513 */ 514 char *_scf_read_tmpl_prop_type_as_string(const scf_prop_tmpl_t *); 515 /* 516 * _scf_read_single_astring_from_pg() 517 * Given a property group (pg) and a property name (pn), this function 518 * retrives an astring value from pg/pn. 519 */ 520 char *_scf_read_single_astring_from_pg(scf_propertygroup_t *, const char *); 521 522 /* 523 * scf_instance_delete_prop() 524 * Given instance, property group, and property, delete the property. 525 */ 526 int 527 scf_instance_delete_prop(scf_instance_t *, const char *, const char *); 528 529 /* 530 * Functions to extract boot config information from FMRI_BOOT_CONFIG 531 */ 532 void scf_get_boot_config(uint8_t *); 533 void scf_get_boot_config_ovr(uint8_t *); 534 int scf_is_fastboot_default(void); 535 536 /* 537 * Set value of "config_ovr/fastreboot_default". 538 */ 539 int scf_fastreboot_default_set_transient(boolean_t); 540 541 /* 542 * scf_is_compatible_type() 543 * Return true if the second type is the same type, or a subtype of the 544 * first. 545 */ 546 int scf_is_compatible_type(scf_type_t, scf_type_t); 547 548 /* 549 * Check an array of services and enable any that don't have the 550 * "application/auto_enable" property set to "false", which is 551 * the interface to turn off this behaviour (see PSARC 2004/739). 552 */ 553 void _check_services(char **); 554 555 #ifdef __cplusplus 556 } 557 #endif 558 559 #endif /* _LIBSCF_PRIV_H */ 560