Colin Cross | 6310a82 | 2010-04-20 14:29:05 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include <stdio.h> |
| 18 | #include <stdlib.h> |
| 19 | #include <unistd.h> |
| 20 | #include <fcntl.h> |
| 21 | #include <stdarg.h> |
| 22 | #include <string.h> |
| 23 | #include <stddef.h> |
| 24 | #include <ctype.h> |
| 25 | |
| 26 | #include "init.h" |
| 27 | #include "parser.h" |
| 28 | #include "init_parser.h" |
| 29 | #include "log.h" |
Colin Cross | 6310a82 | 2010-04-20 14:29:05 -0700 | [diff] [blame] | 30 | #include "property_service.h" |
| 31 | #include "util.h" |
| 32 | |
| 33 | #include <cutils/iosched_policy.h> |
Dima Zavin | da04c52 | 2011-09-01 17:09:44 -0700 | [diff] [blame] | 34 | #include <cutils/list.h> |
Colin Cross | 6310a82 | 2010-04-20 14:29:05 -0700 | [diff] [blame] | 35 | |
| 36 | #define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_ |
| 37 | #include <sys/_system_properties.h> |
| 38 | |
| 39 | static list_declare(service_list); |
| 40 | static list_declare(action_list); |
| 41 | static list_declare(action_queue); |
| 42 | |
| 43 | static void *parse_service(struct parse_state *state, int nargs, char **args); |
| 44 | static void parse_line_service(struct parse_state *state, int nargs, char **args); |
| 45 | |
| 46 | static void *parse_action(struct parse_state *state, int nargs, char **args); |
| 47 | static void parse_line_action(struct parse_state *state, int nargs, char **args); |
| 48 | |
| 49 | #define SECTION 0x01 |
| 50 | #define COMMAND 0x02 |
| 51 | #define OPTION 0x04 |
| 52 | |
| 53 | #include "keywords.h" |
| 54 | |
| 55 | #define KEYWORD(symbol, flags, nargs, func) \ |
| 56 | [ K_##symbol ] = { #symbol, func, nargs + 1, flags, }, |
| 57 | |
| 58 | struct { |
| 59 | const char *name; |
| 60 | int (*func)(int nargs, char **args); |
| 61 | unsigned char nargs; |
| 62 | unsigned char flags; |
| 63 | } keyword_info[KEYWORD_COUNT] = { |
| 64 | [ K_UNKNOWN ] = { "unknown", 0, 0, 0 }, |
| 65 | #include "keywords.h" |
| 66 | }; |
| 67 | #undef KEYWORD |
| 68 | |
| 69 | #define kw_is(kw, type) (keyword_info[kw].flags & (type)) |
| 70 | #define kw_name(kw) (keyword_info[kw].name) |
| 71 | #define kw_func(kw) (keyword_info[kw].func) |
| 72 | #define kw_nargs(kw) (keyword_info[kw].nargs) |
| 73 | |
| 74 | int lookup_keyword(const char *s) |
| 75 | { |
| 76 | switch (*s++) { |
| 77 | case 'c': |
| 78 | if (!strcmp(s, "opy")) return K_copy; |
| 79 | if (!strcmp(s, "apability")) return K_capability; |
| 80 | if (!strcmp(s, "hdir")) return K_chdir; |
| 81 | if (!strcmp(s, "hroot")) return K_chroot; |
| 82 | if (!strcmp(s, "lass")) return K_class; |
| 83 | if (!strcmp(s, "lass_start")) return K_class_start; |
| 84 | if (!strcmp(s, "lass_stop")) return K_class_stop; |
Ken Sumrall | 752923c | 2010-12-03 16:33:31 -0800 | [diff] [blame] | 85 | if (!strcmp(s, "lass_reset")) return K_class_reset; |
Colin Cross | 6310a82 | 2010-04-20 14:29:05 -0700 | [diff] [blame] | 86 | if (!strcmp(s, "onsole")) return K_console; |
| 87 | if (!strcmp(s, "hown")) return K_chown; |
| 88 | if (!strcmp(s, "hmod")) return K_chmod; |
| 89 | if (!strcmp(s, "ritical")) return K_critical; |
| 90 | break; |
| 91 | case 'd': |
| 92 | if (!strcmp(s, "isabled")) return K_disabled; |
| 93 | if (!strcmp(s, "omainname")) return K_domainname; |
| 94 | break; |
| 95 | case 'e': |
| 96 | if (!strcmp(s, "xec")) return K_exec; |
| 97 | if (!strcmp(s, "xport")) return K_export; |
| 98 | break; |
| 99 | case 'g': |
| 100 | if (!strcmp(s, "roup")) return K_group; |
| 101 | break; |
| 102 | case 'h': |
| 103 | if (!strcmp(s, "ostname")) return K_hostname; |
| 104 | break; |
| 105 | case 'i': |
| 106 | if (!strcmp(s, "oprio")) return K_ioprio; |
| 107 | if (!strcmp(s, "fup")) return K_ifup; |
| 108 | if (!strcmp(s, "nsmod")) return K_insmod; |
| 109 | if (!strcmp(s, "mport")) return K_import; |
| 110 | break; |
| 111 | case 'k': |
| 112 | if (!strcmp(s, "eycodes")) return K_keycodes; |
| 113 | break; |
| 114 | case 'l': |
| 115 | if (!strcmp(s, "oglevel")) return K_loglevel; |
Ken Sumrall | c5c5103 | 2011-03-08 17:01:29 -0800 | [diff] [blame] | 116 | if (!strcmp(s, "oad_persist_props")) return K_load_persist_props; |
Colin Cross | 6310a82 | 2010-04-20 14:29:05 -0700 | [diff] [blame] | 117 | break; |
| 118 | case 'm': |
| 119 | if (!strcmp(s, "kdir")) return K_mkdir; |
| 120 | if (!strcmp(s, "ount")) return K_mount; |
| 121 | break; |
| 122 | case 'o': |
| 123 | if (!strcmp(s, "n")) return K_on; |
| 124 | if (!strcmp(s, "neshot")) return K_oneshot; |
| 125 | if (!strcmp(s, "nrestart")) return K_onrestart; |
| 126 | break; |
| 127 | case 'r': |
| 128 | if (!strcmp(s, "estart")) return K_restart; |
Ken Sumrall | 203bad5 | 2011-01-18 17:37:41 -0800 | [diff] [blame] | 129 | if (!strcmp(s, "mdir")) return K_rmdir; |
| 130 | if (!strcmp(s, "m")) return K_rm; |
Colin Cross | 6310a82 | 2010-04-20 14:29:05 -0700 | [diff] [blame] | 131 | break; |
| 132 | case 's': |
| 133 | if (!strcmp(s, "ervice")) return K_service; |
| 134 | if (!strcmp(s, "etenv")) return K_setenv; |
| 135 | if (!strcmp(s, "etkey")) return K_setkey; |
| 136 | if (!strcmp(s, "etprop")) return K_setprop; |
| 137 | if (!strcmp(s, "etrlimit")) return K_setrlimit; |
| 138 | if (!strcmp(s, "ocket")) return K_socket; |
| 139 | if (!strcmp(s, "tart")) return K_start; |
| 140 | if (!strcmp(s, "top")) return K_stop; |
| 141 | if (!strcmp(s, "ymlink")) return K_symlink; |
| 142 | if (!strcmp(s, "ysclktz")) return K_sysclktz; |
| 143 | break; |
| 144 | case 't': |
| 145 | if (!strcmp(s, "rigger")) return K_trigger; |
| 146 | break; |
| 147 | case 'u': |
| 148 | if (!strcmp(s, "ser")) return K_user; |
| 149 | break; |
| 150 | case 'w': |
| 151 | if (!strcmp(s, "rite")) return K_write; |
| 152 | if (!strcmp(s, "ait")) return K_wait; |
| 153 | break; |
| 154 | } |
| 155 | return K_UNKNOWN; |
| 156 | } |
| 157 | |
| 158 | void parse_line_no_op(struct parse_state *state, int nargs, char **args) |
| 159 | { |
| 160 | } |
| 161 | |
| 162 | void parse_new_section(struct parse_state *state, int kw, |
| 163 | int nargs, char **args) |
| 164 | { |
| 165 | printf("[ %s %s ]\n", args[0], |
| 166 | nargs > 1 ? args[1] : ""); |
| 167 | switch(kw) { |
| 168 | case K_service: |
| 169 | state->context = parse_service(state, nargs, args); |
| 170 | if (state->context) { |
| 171 | state->parse_line = parse_line_service; |
| 172 | return; |
| 173 | } |
| 174 | break; |
| 175 | case K_on: |
| 176 | state->context = parse_action(state, nargs, args); |
| 177 | if (state->context) { |
| 178 | state->parse_line = parse_line_action; |
| 179 | return; |
| 180 | } |
| 181 | break; |
Mike Lockwood | f5cb5b2 | 2011-06-07 20:08:40 -0700 | [diff] [blame] | 182 | case K_import: |
| 183 | if (nargs != 2) { |
| 184 | ERROR("single argument needed for import\n"); |
| 185 | } else { |
| 186 | int ret = init_parse_config_file(args[1]); |
| 187 | if (ret) |
| 188 | ERROR("could not import file %s\n", args[1]); |
| 189 | } |
Colin Cross | 6310a82 | 2010-04-20 14:29:05 -0700 | [diff] [blame] | 190 | } |
| 191 | state->parse_line = parse_line_no_op; |
| 192 | } |
| 193 | |
| 194 | static void parse_config(const char *fn, char *s) |
| 195 | { |
| 196 | struct parse_state state; |
| 197 | char *args[INIT_PARSER_MAXARGS]; |
| 198 | int nargs; |
| 199 | |
| 200 | nargs = 0; |
| 201 | state.filename = fn; |
Bruce Beare | 1be6968 | 2010-12-26 09:55:10 -0800 | [diff] [blame] | 202 | state.line = 0; |
Colin Cross | 6310a82 | 2010-04-20 14:29:05 -0700 | [diff] [blame] | 203 | state.ptr = s; |
| 204 | state.nexttoken = 0; |
| 205 | state.parse_line = parse_line_no_op; |
| 206 | for (;;) { |
| 207 | switch (next_token(&state)) { |
| 208 | case T_EOF: |
| 209 | state.parse_line(&state, 0, 0); |
| 210 | return; |
| 211 | case T_NEWLINE: |
Bruce Beare | 1be6968 | 2010-12-26 09:55:10 -0800 | [diff] [blame] | 212 | state.line++; |
Colin Cross | 6310a82 | 2010-04-20 14:29:05 -0700 | [diff] [blame] | 213 | if (nargs) { |
| 214 | int kw = lookup_keyword(args[0]); |
| 215 | if (kw_is(kw, SECTION)) { |
| 216 | state.parse_line(&state, 0, 0); |
| 217 | parse_new_section(&state, kw, nargs, args); |
| 218 | } else { |
| 219 | state.parse_line(&state, nargs, args); |
| 220 | } |
| 221 | nargs = 0; |
| 222 | } |
| 223 | break; |
| 224 | case T_TEXT: |
| 225 | if (nargs < INIT_PARSER_MAXARGS) { |
| 226 | args[nargs++] = state.text; |
| 227 | } |
| 228 | break; |
| 229 | } |
| 230 | } |
| 231 | } |
| 232 | |
| 233 | int init_parse_config_file(const char *fn) |
| 234 | { |
| 235 | char *data; |
| 236 | data = read_file(fn, 0); |
| 237 | if (!data) return -1; |
| 238 | |
| 239 | parse_config(fn, data); |
| 240 | DUMP(); |
| 241 | return 0; |
| 242 | } |
| 243 | |
| 244 | static int valid_name(const char *name) |
| 245 | { |
| 246 | if (strlen(name) > 16) { |
| 247 | return 0; |
| 248 | } |
| 249 | while (*name) { |
| 250 | if (!isalnum(*name) && (*name != '_') && (*name != '-')) { |
| 251 | return 0; |
| 252 | } |
| 253 | name++; |
| 254 | } |
| 255 | return 1; |
| 256 | } |
| 257 | |
| 258 | struct service *service_find_by_name(const char *name) |
| 259 | { |
| 260 | struct listnode *node; |
| 261 | struct service *svc; |
| 262 | list_for_each(node, &service_list) { |
| 263 | svc = node_to_item(node, struct service, slist); |
| 264 | if (!strcmp(svc->name, name)) { |
| 265 | return svc; |
| 266 | } |
| 267 | } |
| 268 | return 0; |
| 269 | } |
| 270 | |
| 271 | struct service *service_find_by_pid(pid_t pid) |
| 272 | { |
| 273 | struct listnode *node; |
| 274 | struct service *svc; |
| 275 | list_for_each(node, &service_list) { |
| 276 | svc = node_to_item(node, struct service, slist); |
| 277 | if (svc->pid == pid) { |
| 278 | return svc; |
| 279 | } |
| 280 | } |
| 281 | return 0; |
| 282 | } |
| 283 | |
| 284 | struct service *service_find_by_keychord(int keychord_id) |
| 285 | { |
| 286 | struct listnode *node; |
| 287 | struct service *svc; |
| 288 | list_for_each(node, &service_list) { |
| 289 | svc = node_to_item(node, struct service, slist); |
| 290 | if (svc->keychord_id == keychord_id) { |
| 291 | return svc; |
| 292 | } |
| 293 | } |
| 294 | return 0; |
| 295 | } |
| 296 | |
| 297 | void service_for_each(void (*func)(struct service *svc)) |
| 298 | { |
| 299 | struct listnode *node; |
| 300 | struct service *svc; |
| 301 | list_for_each(node, &service_list) { |
| 302 | svc = node_to_item(node, struct service, slist); |
| 303 | func(svc); |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | void service_for_each_class(const char *classname, |
| 308 | void (*func)(struct service *svc)) |
| 309 | { |
| 310 | struct listnode *node; |
| 311 | struct service *svc; |
| 312 | list_for_each(node, &service_list) { |
| 313 | svc = node_to_item(node, struct service, slist); |
| 314 | if (!strcmp(svc->classname, classname)) { |
| 315 | func(svc); |
| 316 | } |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | void service_for_each_flags(unsigned matchflags, |
| 321 | void (*func)(struct service *svc)) |
| 322 | { |
| 323 | struct listnode *node; |
| 324 | struct service *svc; |
| 325 | list_for_each(node, &service_list) { |
| 326 | svc = node_to_item(node, struct service, slist); |
| 327 | if (svc->flags & matchflags) { |
| 328 | func(svc); |
| 329 | } |
| 330 | } |
| 331 | } |
| 332 | |
| 333 | void action_for_each_trigger(const char *trigger, |
| 334 | void (*func)(struct action *act)) |
| 335 | { |
| 336 | struct listnode *node; |
| 337 | struct action *act; |
| 338 | list_for_each(node, &action_list) { |
| 339 | act = node_to_item(node, struct action, alist); |
| 340 | if (!strcmp(act->name, trigger)) { |
| 341 | func(act); |
| 342 | } |
| 343 | } |
| 344 | } |
| 345 | |
| 346 | void queue_property_triggers(const char *name, const char *value) |
| 347 | { |
| 348 | struct listnode *node; |
| 349 | struct action *act; |
| 350 | list_for_each(node, &action_list) { |
| 351 | act = node_to_item(node, struct action, alist); |
| 352 | if (!strncmp(act->name, "property:", strlen("property:"))) { |
| 353 | const char *test = act->name + strlen("property:"); |
| 354 | int name_length = strlen(name); |
| 355 | |
| 356 | if (!strncmp(name, test, name_length) && |
| 357 | test[name_length] == '=' && |
Mike Lockwood | 7ba61b1 | 2011-06-07 18:16:55 -0700 | [diff] [blame] | 358 | (!strcmp(test + name_length + 1, value) || |
| 359 | !strcmp(test + name_length + 1, "*"))) { |
Colin Cross | 6310a82 | 2010-04-20 14:29:05 -0700 | [diff] [blame] | 360 | action_add_queue_tail(act); |
| 361 | } |
| 362 | } |
| 363 | } |
| 364 | } |
| 365 | |
| 366 | void queue_all_property_triggers() |
| 367 | { |
| 368 | struct listnode *node; |
| 369 | struct action *act; |
| 370 | list_for_each(node, &action_list) { |
| 371 | act = node_to_item(node, struct action, alist); |
| 372 | if (!strncmp(act->name, "property:", strlen("property:"))) { |
| 373 | /* parse property name and value |
| 374 | syntax is property:<name>=<value> */ |
| 375 | const char* name = act->name + strlen("property:"); |
| 376 | const char* equals = strchr(name, '='); |
| 377 | if (equals) { |
| 378 | char prop_name[PROP_NAME_MAX + 1]; |
| 379 | const char* value; |
| 380 | int length = equals - name; |
| 381 | if (length > PROP_NAME_MAX) { |
| 382 | ERROR("property name too long in trigger %s", act->name); |
| 383 | } else { |
| 384 | memcpy(prop_name, name, length); |
| 385 | prop_name[length] = 0; |
| 386 | |
| 387 | /* does the property exist, and match the trigger value? */ |
| 388 | value = property_get(prop_name); |
Mike Lockwood | 7ba61b1 | 2011-06-07 18:16:55 -0700 | [diff] [blame] | 389 | if (value && (!strcmp(equals + 1, value) || |
| 390 | !strcmp(equals + 1, "*"))) { |
Colin Cross | 6310a82 | 2010-04-20 14:29:05 -0700 | [diff] [blame] | 391 | action_add_queue_tail(act); |
| 392 | } |
| 393 | } |
| 394 | } |
| 395 | } |
| 396 | } |
| 397 | } |
| 398 | |
| 399 | void queue_builtin_action(int (*func)(int nargs, char **args), char *name) |
| 400 | { |
| 401 | struct action *act; |
| 402 | struct command *cmd; |
| 403 | |
| 404 | act = calloc(1, sizeof(*act)); |
| 405 | act->name = name; |
| 406 | list_init(&act->commands); |
| 407 | |
| 408 | cmd = calloc(1, sizeof(*cmd)); |
| 409 | cmd->func = func; |
| 410 | cmd->args[0] = name; |
| 411 | list_add_tail(&act->commands, &cmd->clist); |
| 412 | |
| 413 | list_add_tail(&action_list, &act->alist); |
| 414 | action_add_queue_tail(act); |
| 415 | } |
| 416 | |
| 417 | void action_add_queue_tail(struct action *act) |
| 418 | { |
| 419 | list_add_tail(&action_queue, &act->qlist); |
| 420 | } |
| 421 | |
| 422 | struct action *action_remove_queue_head(void) |
| 423 | { |
| 424 | if (list_empty(&action_queue)) { |
| 425 | return 0; |
| 426 | } else { |
| 427 | struct listnode *node = list_head(&action_queue); |
| 428 | struct action *act = node_to_item(node, struct action, qlist); |
| 429 | list_remove(node); |
| 430 | return act; |
| 431 | } |
| 432 | } |
| 433 | |
| 434 | int action_queue_empty() |
| 435 | { |
| 436 | return list_empty(&action_queue); |
| 437 | } |
| 438 | |
| 439 | static void *parse_service(struct parse_state *state, int nargs, char **args) |
| 440 | { |
| 441 | struct service *svc; |
| 442 | if (nargs < 3) { |
| 443 | parse_error(state, "services must have a name and a program\n"); |
| 444 | return 0; |
| 445 | } |
| 446 | if (!valid_name(args[1])) { |
| 447 | parse_error(state, "invalid service name '%s'\n", args[1]); |
| 448 | return 0; |
| 449 | } |
| 450 | |
| 451 | svc = service_find_by_name(args[1]); |
| 452 | if (svc) { |
| 453 | parse_error(state, "ignored duplicate definition of service '%s'\n", args[1]); |
| 454 | return 0; |
| 455 | } |
| 456 | |
| 457 | nargs -= 2; |
| 458 | svc = calloc(1, sizeof(*svc) + sizeof(char*) * nargs); |
| 459 | if (!svc) { |
| 460 | parse_error(state, "out of memory\n"); |
| 461 | return 0; |
| 462 | } |
| 463 | svc->name = args[1]; |
| 464 | svc->classname = "default"; |
| 465 | memcpy(svc->args, args + 2, sizeof(char*) * nargs); |
| 466 | svc->args[nargs] = 0; |
| 467 | svc->nargs = nargs; |
| 468 | svc->onrestart.name = "onrestart"; |
| 469 | list_init(&svc->onrestart.commands); |
| 470 | list_add_tail(&service_list, &svc->slist); |
| 471 | return svc; |
| 472 | } |
| 473 | |
| 474 | static void parse_line_service(struct parse_state *state, int nargs, char **args) |
| 475 | { |
| 476 | struct service *svc = state->context; |
| 477 | struct command *cmd; |
| 478 | int i, kw, kw_nargs; |
| 479 | |
| 480 | if (nargs == 0) { |
| 481 | return; |
| 482 | } |
| 483 | |
| 484 | svc->ioprio_class = IoSchedClass_NONE; |
| 485 | |
| 486 | kw = lookup_keyword(args[0]); |
| 487 | switch (kw) { |
| 488 | case K_capability: |
| 489 | break; |
| 490 | case K_class: |
| 491 | if (nargs != 2) { |
| 492 | parse_error(state, "class option requires a classname\n"); |
| 493 | } else { |
| 494 | svc->classname = args[1]; |
| 495 | } |
| 496 | break; |
| 497 | case K_console: |
| 498 | svc->flags |= SVC_CONSOLE; |
| 499 | break; |
| 500 | case K_disabled: |
| 501 | svc->flags |= SVC_DISABLED; |
| 502 | break; |
| 503 | case K_ioprio: |
| 504 | if (nargs != 3) { |
| 505 | parse_error(state, "ioprio optin usage: ioprio <rt|be|idle> <ioprio 0-7>\n"); |
| 506 | } else { |
| 507 | svc->ioprio_pri = strtoul(args[2], 0, 8); |
| 508 | |
| 509 | if (svc->ioprio_pri < 0 || svc->ioprio_pri > 7) { |
| 510 | parse_error(state, "priority value must be range 0 - 7\n"); |
| 511 | break; |
| 512 | } |
| 513 | |
| 514 | if (!strcmp(args[1], "rt")) { |
| 515 | svc->ioprio_class = IoSchedClass_RT; |
| 516 | } else if (!strcmp(args[1], "be")) { |
| 517 | svc->ioprio_class = IoSchedClass_BE; |
| 518 | } else if (!strcmp(args[1], "idle")) { |
| 519 | svc->ioprio_class = IoSchedClass_IDLE; |
| 520 | } else { |
| 521 | parse_error(state, "ioprio option usage: ioprio <rt|be|idle> <0-7>\n"); |
| 522 | } |
| 523 | } |
| 524 | break; |
| 525 | case K_group: |
| 526 | if (nargs < 2) { |
| 527 | parse_error(state, "group option requires a group id\n"); |
| 528 | } else if (nargs > NR_SVC_SUPP_GIDS + 2) { |
| 529 | parse_error(state, "group option accepts at most %d supp. groups\n", |
| 530 | NR_SVC_SUPP_GIDS); |
| 531 | } else { |
| 532 | int n; |
| 533 | svc->gid = decode_uid(args[1]); |
| 534 | for (n = 2; n < nargs; n++) { |
| 535 | svc->supp_gids[n-2] = decode_uid(args[n]); |
| 536 | } |
| 537 | svc->nr_supp_gids = n - 2; |
| 538 | } |
| 539 | break; |
| 540 | case K_keycodes: |
| 541 | if (nargs < 2) { |
| 542 | parse_error(state, "keycodes option requires atleast one keycode\n"); |
| 543 | } else { |
| 544 | svc->keycodes = malloc((nargs - 1) * sizeof(svc->keycodes[0])); |
| 545 | if (!svc->keycodes) { |
| 546 | parse_error(state, "could not allocate keycodes\n"); |
| 547 | } else { |
| 548 | svc->nkeycodes = nargs - 1; |
| 549 | for (i = 1; i < nargs; i++) { |
| 550 | svc->keycodes[i - 1] = atoi(args[i]); |
| 551 | } |
| 552 | } |
| 553 | } |
| 554 | break; |
| 555 | case K_oneshot: |
| 556 | svc->flags |= SVC_ONESHOT; |
| 557 | break; |
| 558 | case K_onrestart: |
| 559 | nargs--; |
| 560 | args++; |
| 561 | kw = lookup_keyword(args[0]); |
| 562 | if (!kw_is(kw, COMMAND)) { |
| 563 | parse_error(state, "invalid command '%s'\n", args[0]); |
| 564 | break; |
| 565 | } |
| 566 | kw_nargs = kw_nargs(kw); |
| 567 | if (nargs < kw_nargs) { |
| 568 | parse_error(state, "%s requires %d %s\n", args[0], kw_nargs - 1, |
| 569 | kw_nargs > 2 ? "arguments" : "argument"); |
| 570 | break; |
| 571 | } |
| 572 | |
| 573 | cmd = malloc(sizeof(*cmd) + sizeof(char*) * nargs); |
| 574 | cmd->func = kw_func(kw); |
| 575 | cmd->nargs = nargs; |
| 576 | memcpy(cmd->args, args, sizeof(char*) * nargs); |
| 577 | list_add_tail(&svc->onrestart.commands, &cmd->clist); |
| 578 | break; |
| 579 | case K_critical: |
| 580 | svc->flags |= SVC_CRITICAL; |
| 581 | break; |
| 582 | case K_setenv: { /* name value */ |
| 583 | struct svcenvinfo *ei; |
| 584 | if (nargs < 2) { |
| 585 | parse_error(state, "setenv option requires name and value arguments\n"); |
| 586 | break; |
| 587 | } |
| 588 | ei = calloc(1, sizeof(*ei)); |
| 589 | if (!ei) { |
| 590 | parse_error(state, "out of memory\n"); |
| 591 | break; |
| 592 | } |
| 593 | ei->name = args[1]; |
| 594 | ei->value = args[2]; |
| 595 | ei->next = svc->envvars; |
| 596 | svc->envvars = ei; |
| 597 | break; |
| 598 | } |
| 599 | case K_socket: {/* name type perm [ uid gid ] */ |
| 600 | struct socketinfo *si; |
| 601 | if (nargs < 4) { |
| 602 | parse_error(state, "socket option requires name, type, perm arguments\n"); |
| 603 | break; |
| 604 | } |
Mike Lockwood | 912ff85 | 2010-10-01 08:20:36 -0400 | [diff] [blame] | 605 | if (strcmp(args[2],"dgram") && strcmp(args[2],"stream") |
| 606 | && strcmp(args[2],"seqpacket")) { |
| 607 | parse_error(state, "socket type must be 'dgram', 'stream' or 'seqpacket'\n"); |
Colin Cross | 6310a82 | 2010-04-20 14:29:05 -0700 | [diff] [blame] | 608 | break; |
| 609 | } |
| 610 | si = calloc(1, sizeof(*si)); |
| 611 | if (!si) { |
| 612 | parse_error(state, "out of memory\n"); |
| 613 | break; |
| 614 | } |
| 615 | si->name = args[1]; |
| 616 | si->type = args[2]; |
| 617 | si->perm = strtoul(args[3], 0, 8); |
| 618 | if (nargs > 4) |
| 619 | si->uid = decode_uid(args[4]); |
| 620 | if (nargs > 5) |
| 621 | si->gid = decode_uid(args[5]); |
| 622 | si->next = svc->sockets; |
| 623 | svc->sockets = si; |
| 624 | break; |
| 625 | } |
| 626 | case K_user: |
| 627 | if (nargs != 2) { |
| 628 | parse_error(state, "user option requires a user id\n"); |
| 629 | } else { |
| 630 | svc->uid = decode_uid(args[1]); |
| 631 | } |
| 632 | break; |
| 633 | default: |
| 634 | parse_error(state, "invalid option '%s'\n", args[0]); |
| 635 | } |
| 636 | } |
| 637 | |
| 638 | static void *parse_action(struct parse_state *state, int nargs, char **args) |
| 639 | { |
| 640 | struct action *act; |
| 641 | if (nargs < 2) { |
| 642 | parse_error(state, "actions must have a trigger\n"); |
| 643 | return 0; |
| 644 | } |
| 645 | if (nargs > 2) { |
| 646 | parse_error(state, "actions may not have extra parameters\n"); |
| 647 | return 0; |
| 648 | } |
| 649 | act = calloc(1, sizeof(*act)); |
| 650 | act->name = args[1]; |
| 651 | list_init(&act->commands); |
| 652 | list_add_tail(&action_list, &act->alist); |
| 653 | /* XXX add to hash */ |
| 654 | return act; |
| 655 | } |
| 656 | |
| 657 | static void parse_line_action(struct parse_state* state, int nargs, char **args) |
| 658 | { |
| 659 | struct command *cmd; |
| 660 | struct action *act = state->context; |
| 661 | int (*func)(int nargs, char **args); |
| 662 | int kw, n; |
| 663 | |
| 664 | if (nargs == 0) { |
| 665 | return; |
| 666 | } |
| 667 | |
| 668 | kw = lookup_keyword(args[0]); |
| 669 | if (!kw_is(kw, COMMAND)) { |
| 670 | parse_error(state, "invalid command '%s'\n", args[0]); |
| 671 | return; |
| 672 | } |
| 673 | |
| 674 | n = kw_nargs(kw); |
| 675 | if (nargs < n) { |
| 676 | parse_error(state, "%s requires %d %s\n", args[0], n - 1, |
| 677 | n > 2 ? "arguments" : "argument"); |
| 678 | return; |
| 679 | } |
| 680 | cmd = malloc(sizeof(*cmd) + sizeof(char*) * nargs); |
| 681 | cmd->func = kw_func(kw); |
| 682 | cmd->nargs = nargs; |
| 683 | memcpy(cmd->args, args, sizeof(char*) * nargs); |
| 684 | list_add_tail(&act->commands, &cmd->clist); |
| 685 | } |