1 /*
2 * Copyright (c) 2020-2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 #include "init_service_manager.h"
16
17 #include <limits.h>
18 #include <stdlib.h>
19 #include <string.h>
20 #include <sys/socket.h>
21 #include <sys/wait.h>
22 #include <unistd.h>
23 #include <sys/ioctl.h>
24 #include "cJSON.h"
25 #include "init.h"
26 #include "init_group_manager.h"
27 #include "init_jobs_internal.h"
28 #include "init_log.h"
29 #include "init_service_file.h"
30 #include "init_service_socket.h"
31 #include "init_utils.h"
32 #include "securec.h"
33 #include "service_control.h"
34 #include "sys_param.h"
35 #ifdef ASAN_DETECTOR
36 #include "init_param.h"
37 #endif
38
39 #ifndef OHOS_LITE
40 #include "hookmgr.h"
41 #include "bootstage.h"
42 #endif
43
44 // All service processes that init will fork+exec.
45 static ServiceSpace g_serviceSpace = { 0 };
46 static const int CRITICAL_DEFAULT_CRASH_TIME = 20;
47 // maximum number of crashes within time CRITICAL_DEFAULT_CRASH_TIME for one service
48 static const int CRITICAL_DEFAULT_CRASH_COUNT = 4;
49 static const int CRITICAL_CONFIG_ARRAY_LEN = 3;
50
FreeServiceArg(ServiceArgs * arg)51 static void FreeServiceArg(ServiceArgs *arg)
52 {
53 if (arg == NULL) {
54 return;
55 }
56 for (int i = 0; i < arg->count; ++i) {
57 if (arg->argv[i] != NULL) {
58 free(arg->argv[i]);
59 arg->argv[i] = NULL;
60 }
61 }
62 free(arg->argv);
63 arg->argv = NULL;
64 arg->count = 0;
65 }
66
FreeServiceSocket(ServiceSocket * sockopt)67 static void FreeServiceSocket(ServiceSocket *sockopt)
68 {
69 while (sockopt != NULL) {
70 ServiceSocket *tmp = sockopt;
71 if (tmp->sockFd >= 0) {
72 close(tmp->sockFd);
73 tmp->sockFd = -1;
74 }
75 sockopt = sockopt->next;
76 free(tmp);
77 }
78 return;
79 }
80
AddService(const char * name)81 Service *AddService(const char *name)
82 {
83 // check service in group
84 if (CheckNodeValid(NODE_TYPE_SERVICES, name) != 0) {
85 INIT_LOGI("Service %s not exist in group ", name);
86 return NULL;
87 }
88 InitGroupNode *node = AddGroupNode(NODE_TYPE_SERVICES, name);
89 if (node == NULL) {
90 INIT_LOGE("Failed to create service name %s", name);
91 return NULL;
92 }
93 Service *service = (Service *)calloc(1, sizeof(Service));
94 INIT_ERROR_CHECK(service != NULL, return NULL, "Failed to malloc for service");
95 node->data.service = service;
96 service->name = node->name;
97 service->status = SERVICE_IDLE;
98 service->cpuSet = NULL;
99 OH_ListInit(&service->extDataNode);
100 g_serviceSpace.serviceCount++;
101 INIT_LOGV("AddService %s", node->name);
102 return service;
103 }
104
FreeServiceFile(ServiceFile * fileOpt)105 static void FreeServiceFile(ServiceFile *fileOpt)
106 {
107 while (fileOpt != NULL) {
108 ServiceFile *tmp = fileOpt;
109 if (tmp->fd >= 0) {
110 close(tmp->fd);
111 tmp->fd = -1;
112 }
113 fileOpt = fileOpt->next;
114 free(tmp);
115 }
116 return;
117 }
118
ReleaseService(Service * service)119 void ReleaseService(Service *service)
120 {
121 if (service == NULL) {
122 return;
123 }
124 FreeServiceArg(&service->pathArgs);
125 FreeServiceArg(&service->writePidArgs);
126 FreeServiceArg(&service->capsArgs);
127 FreeServiceArg(&service->permArgs);
128 FreeServiceArg(&service->permAclsArgs);
129
130 if (service->servPerm.caps != NULL) {
131 free(service->servPerm.caps);
132 service->servPerm.caps = NULL;
133 }
134 service->servPerm.capsCnt = 0;
135 if (service->servPerm.gIDArray != NULL) {
136 free(service->servPerm.gIDArray);
137 service->servPerm.gIDArray = NULL;
138 }
139 service->servPerm.gIDCnt = 0;
140 FreeServiceSocket(service->socketCfg);
141 FreeServiceFile(service->fileCfg);
142
143 if (service->apl != NULL) {
144 free(service->apl);
145 service->apl = NULL;
146 }
147 for (size_t i = 0; i < JOB_ON_MAX; i++) {
148 if (service->serviceJobs.jobsName[i] != NULL) {
149 free(service->serviceJobs.jobsName[i]);
150 }
151 service->serviceJobs.jobsName[i] = NULL;
152 }
153 if (service->cpuSet != NULL) {
154 free(service->cpuSet);
155 service->cpuSet = NULL;
156 }
157 #ifndef OHOS_LITE
158 // clear ext data
159 SERVICE_INFO_CTX ctx = {0};
160 ctx.serviceName = service->name;
161 HookMgrExecute(GetBootStageHookMgr(), INIT_SERVICE_CLEAR, (void *)&ctx, NULL);
162 #endif
163 g_serviceSpace.serviceCount--;
164 InitGroupNode *groupNode = GetGroupNode(NODE_TYPE_SERVICES, service->name);
165 if (groupNode != NULL) {
166 groupNode->data.service = NULL;
167 }
168 free(service);
169 }
170
GetStringValue(const cJSON * json,const char * name,size_t * strLen)171 static char *GetStringValue(const cJSON *json, const char *name, size_t *strLen)
172 {
173 char *fieldStr = cJSON_GetStringValue(cJSON_GetObjectItem(json, name));
174 INIT_CHECK(fieldStr != NULL, return NULL);
175 *strLen = strlen(fieldStr);
176 return fieldStr;
177 }
178
GetArrayItem(const cJSON * fileRoot,int * arrSize,const char * arrName)179 cJSON *GetArrayItem(const cJSON *fileRoot, int *arrSize, const char *arrName)
180 {
181 cJSON *arrItem = cJSON_GetObjectItemCaseSensitive(fileRoot, arrName);
182 if (!cJSON_IsArray(arrItem)) {
183 return NULL;
184 }
185 *arrSize = cJSON_GetArraySize(arrItem);
186 INIT_CHECK_RETURN_VALUE(*arrSize > 0, NULL);
187 return arrItem;
188 }
189
GetServiceArgs(const cJSON * argJson,const char * name,int maxCount,ServiceArgs * args)190 static int GetServiceArgs(const cJSON *argJson, const char *name, int maxCount, ServiceArgs *args)
191 {
192 INIT_ERROR_CHECK(argJson != NULL, return SERVICE_FAILURE, "Invalid argJson");
193 cJSON *obj = cJSON_GetObjectItem(argJson, name);
194 INIT_CHECK(obj != NULL, return SERVICE_FAILURE);
195
196 int ret = cJSON_IsArray(obj);
197 INIT_ERROR_CHECK(ret, return SERVICE_FAILURE, "Invalid type");
198 int count = cJSON_GetArraySize(obj);
199 INIT_ERROR_CHECK((count > 0) && (count < maxCount), return SERVICE_FAILURE, "Array size = %d is wrong", count);
200 if ((args->argv != NULL) && (args->count > 0)) {
201 FreeServiceArg(args);
202 }
203 args->argv = (char **)malloc((count + 1) * sizeof(char *));
204 INIT_ERROR_CHECK(args->argv != NULL, return SERVICE_FAILURE, "Failed to malloc for argv");
205 for (int i = 0; i < count + 1; ++i) {
206 args->argv[i] = NULL;
207 }
208 // ServiceArgs have a variety of uses, some requiring a NULL ending, some not
209 if (strcmp(name, D_CAPS_STR_IN_CFG) != 0 && strcmp(name, "permission_acls") != 0 &&
210 strcmp(name, "permission") != 0) {
211 args->count = count + 1;
212 } else {
213 args->count = count;
214 }
215 for (int i = 0; i < count; ++i) {
216 char *curParam = cJSON_GetStringValue(cJSON_GetArrayItem(obj, i));
217 INIT_ERROR_CHECK(curParam != NULL, return SERVICE_FAILURE, "Invalid arg %d", i);
218 INIT_ERROR_CHECK(strlen(curParam) <= MAX_ONE_ARG_LEN, return SERVICE_FAILURE, "Arg %s is tool long", curParam);
219 args->argv[i] = strdup(curParam);
220 INIT_ERROR_CHECK(args->argv[i] != NULL, return SERVICE_FAILURE, "Failed to duplicate argument %s", curParam);
221 }
222 return SERVICE_SUCCESS;
223 }
224
GetUid(cJSON * json,uid_t * uid)225 static int GetUid(cJSON *json, uid_t *uid)
226 {
227 INIT_CHECK_RETURN_VALUE(json != NULL, SERVICE_SUCCESS);
228 if (cJSON_IsString(json)) {
229 char *str = cJSON_GetStringValue(json);
230 INIT_ERROR_CHECK(str != NULL, return SERVICE_FAILURE, "Invalid str");
231 *uid = DecodeUid(str);
232 } else if (cJSON_IsNumber(json)) {
233 *uid = (uid_t)cJSON_GetNumberValue(json);
234 } else {
235 *uid = (uid_t)(-1);
236 }
237 INIT_CHECK_RETURN_VALUE(*uid != (uid_t)(-1), SERVICE_FAILURE);
238 return SERVICE_SUCCESS;
239 }
240
GetGid(cJSON * json,gid_t * gid,Service * curServ)241 static int GetGid(cJSON *json, gid_t *gid, Service *curServ)
242 {
243 INIT_CHECK_RETURN_VALUE(json != NULL, SERVICE_SUCCESS);
244 if (cJSON_IsString(json)) {
245 char *str = cJSON_GetStringValue(json);
246 INIT_ERROR_CHECK(str != NULL, return SERVICE_FAILURE, "Failed to get gid for %s", curServ->name);
247 *gid = DecodeGid(str);
248 } else if (cJSON_IsNumber(json)) {
249 *gid = (gid_t)cJSON_GetNumberValue(json);
250 }
251 INIT_ERROR_CHECK(*gid != (gid_t)(-1), return SERVICE_FAILURE, "Failed to get gid for %s", curServ->name);
252 return SERVICE_SUCCESS;
253 }
254
GetServiceGids(const cJSON * curArrItem,Service * curServ)255 static int GetServiceGids(const cJSON *curArrItem, Service *curServ)
256 {
257 int gidCount;
258 cJSON *arrItem = cJSON_GetObjectItemCaseSensitive(curArrItem, GID_STR_IN_CFG);
259 if (!arrItem) {
260 return SERVICE_SUCCESS;
261 } else if (!cJSON_IsArray(arrItem)) {
262 gidCount = 1;
263 } else {
264 gidCount = cJSON_GetArraySize(arrItem);
265 }
266 INIT_ERROR_CHECK((gidCount != 0) && (gidCount <= NGROUPS_MAX + 1), return SERVICE_FAILURE,
267 "Invalid gid count %d", gidCount);
268 if (curServ->servPerm.gIDArray != NULL) {
269 free(curServ->servPerm.gIDArray);
270 }
271 curServ->servPerm.gIDArray = (gid_t *)malloc(sizeof(gid_t) * gidCount);
272 INIT_ERROR_CHECK(curServ->servPerm.gIDArray != NULL, return SERVICE_FAILURE, "Failed to malloc err=%d", errno);
273 curServ->servPerm.gIDCnt = gidCount;
274
275 gid_t gid;
276 if (!cJSON_IsArray(arrItem)) {
277 int ret = GetGid(arrItem, &gid, curServ);
278 INIT_ERROR_CHECK(ret == 0, return SERVICE_FAILURE, "Parse service %s gid failed.", curServ->name);
279 curServ->servPerm.gIDArray[0] = gid;
280 return SERVICE_SUCCESS;
281 }
282 int gidArrayIndex = 0;
283 for (int i = 0; i < gidCount; ++i) {
284 cJSON *item = cJSON_GetArrayItem(arrItem, i);
285 int ret = GetGid(item, &gid, curServ);
286 if (ret != 0) {
287 INIT_LOGW("Parse service %s gid failed from item %s.", curServ->name, cJSON_Print(item));
288 continue;
289 }
290 curServ->servPerm.gIDArray[gidArrayIndex++] = gid;
291 }
292 curServ->servPerm.gIDCnt = gidArrayIndex;
293 return SERVICE_SUCCESS;
294 }
295
GetServiceAttr(const cJSON * curArrItem,Service * curServ,const char * attrName,int flag,int (* processAttr)(Service * curServ,const char * attrName,int value,int flag))296 static int GetServiceAttr(const cJSON *curArrItem, Service *curServ, const char *attrName, int flag,
297 int (*processAttr)(Service *curServ, const char *attrName, int value, int flag))
298 {
299 cJSON *filedJ = cJSON_GetObjectItem(curArrItem, attrName);
300 if (filedJ == NULL) {
301 return SERVICE_SUCCESS;
302 }
303 INIT_ERROR_CHECK(cJSON_IsNumber(filedJ), return SERVICE_FAILURE,
304 "%s is null or is not a number, service name is %s", attrName, curServ->name);
305 curServ->attribute &= ~flag;
306 int value = (int)cJSON_GetNumberValue(filedJ);
307 if (processAttr == NULL) {
308 if (value == 1) {
309 curServ->attribute |= flag;
310 }
311 return 0;
312 }
313 return processAttr(curServ, attrName, value, flag);
314 }
315
ParseSocketFamily(cJSON * json,ServiceSocket * sockopt)316 static int ParseSocketFamily(cJSON *json, ServiceSocket *sockopt)
317 {
318 sockopt->family = AF_UNIX;
319 size_t strLen = 0;
320 char *stringValue = GetStringValue(json, "family", &strLen);
321 INIT_ERROR_CHECK((stringValue != NULL) && (strLen > 0), return SERVICE_FAILURE,
322 "Failed to get string for family");
323 if (strncmp(stringValue, "AF_UNIX", strLen) == 0) {
324 sockopt->family = AF_UNIX;
325 } else if (strncmp(stringValue, "AF_NETLINK", strLen) == 0) {
326 sockopt->family = AF_NETLINK;
327 }
328 return 0;
329 }
330
ParseSocketType(cJSON * json,ServiceSocket * sockopt)331 static int ParseSocketType(cJSON *json, ServiceSocket *sockopt)
332 {
333 sockopt->type = SOCK_SEQPACKET;
334 size_t strLen = 0;
335 char *stringValue = GetStringValue(json, "type", &strLen);
336 INIT_ERROR_CHECK((stringValue != NULL) && (strLen > 0), return SERVICE_FAILURE,
337 "Failed to get string for type");
338 if (strncmp(stringValue, "SOCK_SEQPACKET", strLen) == 0) {
339 sockopt->type = SOCK_SEQPACKET;
340 } else if (strncmp(stringValue, "SOCK_STREAM", strLen) == 0) {
341 sockopt->type = SOCK_STREAM;
342 } else if (strncmp(stringValue, "SOCK_DGRAM", strLen) == 0) {
343 sockopt->type = SOCK_DGRAM;
344 }
345 return 0;
346 }
347
ParseSocketProtocol(cJSON * json,ServiceSocket * sockopt)348 static int ParseSocketProtocol(cJSON *json, ServiceSocket *sockopt)
349 {
350 sockopt->protocol = 0;
351 size_t strLen = 0;
352 char *stringValue = GetStringValue(json, "protocol", &strLen);
353 INIT_ERROR_CHECK((stringValue != NULL) && (strLen > 0), return SERVICE_FAILURE,
354 "Failed to get string for protocol");
355 if (strncmp(stringValue, "default", strLen) == 0) {
356 sockopt->protocol = 0;
357 } else if (strncmp(stringValue, "NETLINK_KOBJECT_UEVENT", strLen) == 0) {
358 #ifndef __LITEOS_A__
359 sockopt->protocol = NETLINK_KOBJECT_UEVENT;
360 #else
361 return -1;
362 #endif
363 }
364 return 0;
365 }
366
ParseSocketOption(cJSON * json,ServiceSocket * sockopt)367 static int ParseSocketOption(cJSON *json, ServiceSocket *sockopt)
368 {
369 sockopt->option = 0;
370 unsigned int tempType = 0;
371 int typeCnt = 0;
372 char *stringValue = NULL;
373 cJSON *typeItem = NULL;
374 cJSON *typeArray = GetArrayItem(json, &typeCnt, "option");
375 INIT_CHECK((typeArray != NULL) && (typeCnt > 0), return 0);
376 for (int i = 0; i < typeCnt; ++i) {
377 typeItem = cJSON_GetArrayItem(typeArray, i);
378 INIT_CHECK_RETURN_VALUE(cJSON_IsString(typeItem), SERVICE_FAILURE);
379 stringValue = cJSON_GetStringValue(typeItem);
380 INIT_ERROR_CHECK(stringValue != NULL, return SERVICE_FAILURE, "Failed to get string for type");
381 if (strncmp(stringValue, "SOCKET_OPTION_PASSCRED", strlen(stringValue)) == 0) {
382 sockopt->option |= SOCKET_OPTION_PASSCRED;
383 } else if (strncmp(stringValue, "SOCKET_OPTION_RCVBUFFORCE", strlen(stringValue)) == 0) {
384 sockopt->option |= SOCKET_OPTION_RCVBUFFORCE;
385 } else if (strncmp(stringValue, "SOCK_CLOEXEC", strlen(stringValue)) == 0) {
386 tempType |= SOCK_CLOEXEC;
387 } else if (strncmp(stringValue, "SOCK_NONBLOCK", strlen(stringValue)) == 0) {
388 tempType |= SOCK_NONBLOCK;
389 }
390 }
391 if (tempType != 0) {
392 sockopt->type |= tempType;
393 }
394 return 0;
395 }
396
AddServiceSocket(cJSON * json,Service * service)397 static int AddServiceSocket(cJSON *json, Service *service)
398 {
399 size_t strLen = 0;
400 char* fieldStr = GetStringValue(json, "name", &strLen);
401 INIT_ERROR_CHECK(fieldStr != NULL, return SERVICE_FAILURE, "Failed to get socket name");
402 INIT_ERROR_CHECK(strLen <= MAX_SERVICE_NAME, return SERVICE_FAILURE, "socket name exceeds length limit");
403 ServiceSocket *sockopt = (ServiceSocket *)calloc(1, sizeof(ServiceSocket) + strLen + 1);
404 INIT_INFO_CHECK(sockopt != NULL, return SERVICE_FAILURE, "Failed to malloc for service %s", service->name);
405
406 int ret = strcpy_s(sockopt->name, strLen + 1, fieldStr);
407 INIT_INFO_CHECK(ret == 0, free(sockopt); sockopt = NULL; return SERVICE_FAILURE,
408 "Failed to copy socket name %s", fieldStr);
409 sockopt->sockFd = -1;
410 sockopt->watcher = NULL;
411
412 ret = ParseSocketFamily(json, sockopt);
413 INIT_ERROR_CHECK(ret == 0, free(sockopt); sockopt = NULL; return SERVICE_FAILURE,
414 "Failed to parse socket family");
415 ret = ParseSocketType(json, sockopt);
416 INIT_ERROR_CHECK(ret == 0, free(sockopt); sockopt = NULL; return SERVICE_FAILURE,
417 "Failed to parse socket type");
418 ret = ParseSocketProtocol(json, sockopt);
419 INIT_ERROR_CHECK(ret == 0, free(sockopt); sockopt = NULL; return SERVICE_FAILURE,
420 "Failed to parse socket protocol");
421
422 char *stringValue = GetStringValue(json, "permissions", &strLen);
423 INIT_ERROR_CHECK((stringValue != NULL) && (strLen > 0), free(sockopt); sockopt = NULL; return SERVICE_FAILURE,
424 "Failed to get string for permissions");
425 sockopt->perm = strtoul(stringValue, 0, OCTAL_BASE);
426 stringValue = GetStringValue(json, "uid", &strLen);
427 INIT_ERROR_CHECK((stringValue != NULL) && (strLen > 0), free(sockopt); sockopt = NULL; return SERVICE_FAILURE,
428 "Failed to get string for uid");
429 sockopt->uid = DecodeUid(stringValue);
430 stringValue = GetStringValue(json, "gid", &strLen);
431 INIT_ERROR_CHECK((stringValue != NULL) && (strLen > 0), free(sockopt); sockopt = NULL; return SERVICE_FAILURE,
432 "Failed to get string for gid");
433 sockopt->gid = DecodeGid(stringValue);
434 INIT_ERROR_CHECK((sockopt->uid != (uid_t)-1) && (sockopt->gid != (uid_t)-1),
435 free(sockopt); sockopt = NULL; return SERVICE_FAILURE, "Invalid uid or gid");
436 ret = ParseSocketOption(json, sockopt);
437 INIT_ERROR_CHECK(ret == 0, free(sockopt); sockopt = NULL; return SERVICE_FAILURE,
438 "Failed to parse socket option");
439
440 sockopt->next = NULL;
441 if (service->socketCfg == NULL) {
442 service->socketCfg = sockopt;
443 } else {
444 sockopt->next = service->socketCfg->next;
445 service->socketCfg->next = sockopt;
446 }
447 return SERVICE_SUCCESS;
448 }
449
ParseServiceSocket(const cJSON * curArrItem,Service * curServ)450 static int ParseServiceSocket(const cJSON *curArrItem, Service *curServ)
451 {
452 int sockCnt = 0;
453 cJSON *filedJ = GetArrayItem(curArrItem, &sockCnt, "socket");
454 INIT_CHECK(filedJ != NULL && sockCnt > 0, return SERVICE_FAILURE);
455
456 CloseServiceSocket(curServ);
457 FreeServiceSocket(curServ->socketCfg);
458 int ret = 0;
459 curServ->socketCfg = NULL;
460 for (int i = 0; i < sockCnt; ++i) {
461 cJSON *sockJ = cJSON_GetArrayItem(filedJ, i);
462 ret = AddServiceSocket(sockJ, curServ);
463 if (ret != 0) {
464 return ret;
465 }
466 }
467 if (IsOnDemandService(curServ)) {
468 ret = CreateServiceSocket(curServ);
469 }
470 return ret;
471 }
472
AddServiceFile(cJSON * json,Service * service)473 static int AddServiceFile(cJSON *json, Service *service)
474 {
475 if (!cJSON_IsString(json) || !cJSON_GetStringValue(json)) {
476 return SERVICE_FAILURE;
477 }
478 char *fileStr = cJSON_GetStringValue(json);
479 char *opt[FILE_OPT_NUMS] = {
480 NULL,
481 };
482 int num = SplitString(fileStr, " ", opt, FILE_OPT_NUMS);
483 if (num != FILE_OPT_NUMS) {
484 return SERVICE_FAILURE;
485 }
486 if (opt[SERVICE_FILE_NAME] == NULL || opt[SERVICE_FILE_FLAGS] == NULL || opt[SERVICE_FILE_PERM] == NULL ||
487 opt[SERVICE_FILE_UID] == NULL || opt[SERVICE_FILE_GID] == NULL) {
488 INIT_LOGE("Invalid file opt");
489 return SERVICE_FAILURE;
490 }
491 ServiceFile *fileOpt = (ServiceFile *)calloc(1, sizeof(ServiceFile) + strlen(opt[SERVICE_FILE_NAME]) + 1);
492 INIT_INFO_CHECK(fileOpt != NULL, return SERVICE_FAILURE, "Failed to calloc for file %s", opt[SERVICE_FILE_NAME]);
493 int ret = strcpy_s(fileOpt->fileName, strlen(opt[SERVICE_FILE_NAME]) + 1, opt[SERVICE_FILE_NAME]);
494 INIT_INFO_CHECK(ret == 0, free(fileOpt);
495 return SERVICE_FAILURE, "Failed to copy file name %s", opt[SERVICE_FILE_NAME]);
496 if (strcmp(opt[SERVICE_FILE_FLAGS], "rd") == 0) {
497 fileOpt->flags = O_RDONLY;
498 } else if (strcmp(opt[SERVICE_FILE_FLAGS], "wd") == 0) {
499 fileOpt->flags = O_WRONLY;
500 } else if (strcmp(opt[SERVICE_FILE_FLAGS], "rw") == 0) {
501 fileOpt->flags = O_RDWR;
502 } else {
503 INIT_LOGE("Failed file flags %s", opt[SERVICE_FILE_FLAGS]);
504 return SERVICE_FAILURE;
505 }
506 fileOpt->perm = strtoul(opt[SERVICE_FILE_PERM], 0, OCTAL_BASE);
507 fileOpt->uid = DecodeUid(opt[SERVICE_FILE_UID]);
508 fileOpt->gid = DecodeGid(opt[SERVICE_FILE_GID]);
509 if (fileOpt->uid == (uid_t)-1 || fileOpt->gid == (gid_t)-1) {
510 free(fileOpt);
511 fileOpt = NULL;
512 INIT_LOGE("Invalid uid or gid");
513 return SERVICE_FAILURE;
514 }
515 fileOpt->fd = -1;
516 fileOpt->next = NULL;
517 if (service->fileCfg == NULL) {
518 service->fileCfg = fileOpt;
519 } else {
520 fileOpt->next = service->fileCfg->next;
521 service->fileCfg->next = fileOpt;
522 }
523 return SERVICE_SUCCESS;
524 }
525
ParseServiceFile(const cJSON * curArrItem,Service * curServ)526 static int ParseServiceFile(const cJSON *curArrItem, Service *curServ)
527 {
528 int fileCnt = 0;
529 cJSON *filedJ = GetArrayItem(curArrItem, &fileCnt, "file");
530 INIT_CHECK(filedJ != NULL && fileCnt > 0, return SERVICE_FAILURE);
531 FreeServiceFile(curServ->fileCfg);
532 int ret = 0;
533 curServ->fileCfg = NULL;
534 for (int i = 0; i < fileCnt; ++i) {
535 cJSON *fileJ = cJSON_GetArrayItem(filedJ, i);
536 ret = AddServiceFile(fileJ, curServ);
537 if (ret != 0) {
538 break;
539 }
540 }
541 return ret;
542 }
543
GetServiceOnDemand(const cJSON * curArrItem,Service * curServ)544 static int GetServiceOnDemand(const cJSON *curArrItem, Service *curServ)
545 {
546 cJSON *item = cJSON_GetObjectItem(curArrItem, "ondemand");
547 if (item == NULL) {
548 return SERVICE_SUCCESS;
549 }
550
551 INIT_ERROR_CHECK(cJSON_IsBool(item), return SERVICE_FAILURE,
552 "Service : %s ondemand value only support bool.", curServ->name);
553 curServ->attribute &= ~SERVICE_ATTR_ONDEMAND;
554
555 INIT_INFO_CHECK(cJSON_IsTrue(item), return SERVICE_SUCCESS,
556 "Service : %s ondemand value is false, it should be pulled up by init", curServ->name);
557 if (curServ->attribute & SERVICE_ATTR_CRITICAL) {
558 INIT_LOGE("Service : %s is invalid which has both critical and ondemand attribute", curServ->name);
559 return SERVICE_FAILURE;
560 }
561
562 curServ->attribute |= SERVICE_ATTR_ONDEMAND;
563 return SERVICE_SUCCESS;
564 }
565
GetMapValue(const char * name,const InitArgInfo * infos,int argNum,int defValue)566 static int GetMapValue(const char *name, const InitArgInfo *infos, int argNum, int defValue)
567 {
568 if ((argNum == 0) || (infos == NULL) || (name == NULL)) {
569 return defValue;
570 }
571 for (int i = 0; i < argNum; i++) {
572 if (strcmp(infos[i].name, name) == 0) {
573 return infos[i].value;
574 }
575 }
576 return defValue;
577 }
578
GetServiceMode(Service * service,const cJSON * json)579 static int GetServiceMode(Service *service, const cJSON *json)
580 {
581 const InitArgInfo startModeMap[] = {
582 {"condition", START_MODE_CONDITION},
583 {"boot", START_MODE_BOOT},
584 {"normal", START_MODE_NORMAL}
585 };
586 const InitArgInfo endModeMap[] = {
587 {"pre-fork", END_PRE_FORK},
588 {"after-fork", END_AFTER_FORK},
589 {"after-exec", END_AFTER_EXEC},
590 {"ready", END_RECV_READY}
591 };
592 service->startMode = START_MODE_NORMAL;
593 service->endMode = END_AFTER_EXEC;
594 char *value = cJSON_GetStringValue(cJSON_GetObjectItem(json, "start-mode"));
595 if (value != NULL) {
596 service->startMode = GetMapValue(value,
597 (InitArgInfo *)startModeMap, (int)ARRAY_LENGTH(startModeMap), START_MODE_NORMAL);
598 }
599 value = cJSON_GetStringValue(cJSON_GetObjectItem(json, "end-mode"));
600 if (value != NULL) {
601 service->endMode = GetMapValue(value,
602 (InitArgInfo *)endModeMap, (int)ARRAY_LENGTH(endModeMap), END_AFTER_EXEC);
603 }
604 return 0;
605 }
606
GetServiceJobs(Service * service,cJSON * json)607 static int GetServiceJobs(Service *service, cJSON *json)
608 {
609 const char *jobTypes[] = {
610 "on-boot", "on-start", "on-stop", "on-restart"
611 };
612 for (int i = 0; i < (int)ARRAY_LENGTH(jobTypes); i++) {
613 char *jobName = cJSON_GetStringValue(cJSON_GetObjectItem(json, jobTypes[i]));
614 if (jobName != NULL) {
615 if (service->serviceJobs.jobsName[i] != NULL) {
616 DelGroupNode(NODE_TYPE_JOBS, service->serviceJobs.jobsName[i]);
617 free(service->serviceJobs.jobsName[i]);
618 }
619 service->serviceJobs.jobsName[i] = strdup(jobName);
620 // save job name for group job check
621 AddGroupNode(NODE_TYPE_JOBS, jobName);
622 }
623 }
624 return SERVICE_SUCCESS;
625 }
626
GetCritical(const cJSON * curArrItem,Service * curServ,const char * attrName,int flag)627 int GetCritical(const cJSON *curArrItem, Service *curServ, const char *attrName, int flag)
628 {
629 int criticalSize = 0;
630 curServ->crashCount = CRITICAL_DEFAULT_CRASH_COUNT;
631 curServ->crashTime = CRITICAL_DEFAULT_CRASH_TIME;
632 cJSON *arrItem = cJSON_GetObjectItem(curArrItem, attrName);
633 if (arrItem == NULL) {
634 return SERVICE_SUCCESS;
635 }
636
637 if (cJSON_IsNumber(arrItem)) {
638 return GetServiceAttr(curArrItem, curServ, attrName, flag, NULL);
639 } else if (cJSON_IsArray(arrItem)) {
640 criticalSize = cJSON_GetArraySize(arrItem);
641 cJSON *attrItem = cJSON_GetArrayItem(arrItem, 0); // 0 : critical attribute index
642 if (attrItem == NULL || !cJSON_IsNumber(attrItem)) {
643 INIT_LOGE("%s critical invalid", curServ->name);
644 return SERVICE_FAILURE;
645 }
646 int attrValue = (int)cJSON_GetNumberValue(attrItem);
647 curServ->attribute &= ~flag;
648 if (criticalSize == 1) {
649 if (attrValue == 1) {
650 curServ->attribute |= flag;
651 }
652 } else if (criticalSize == CRITICAL_CONFIG_ARRAY_LEN) {
653 cJSON *crashCountItem = cJSON_GetArrayItem(arrItem, 1); // 1 : critical crash count index
654 INIT_ERROR_CHECK(crashCountItem != NULL, return SERVICE_FAILURE, "%s critical invalid", curServ->name);
655 int value = (int)cJSON_GetNumberValue(crashCountItem);
656 INIT_ERROR_CHECK(value > 0, return SERVICE_FAILURE, "%s critical crashc ount invalid", curServ->name);
657 curServ->crashCount = value;
658
659 cJSON *crashTimeItem = cJSON_GetArrayItem(arrItem, 2); // 2 : critical crash time index
660 INIT_ERROR_CHECK(crashTimeItem != NULL, return SERVICE_FAILURE, "%s critical invalid", curServ->name);
661 value = (int)cJSON_GetNumberValue(crashTimeItem);
662 INIT_ERROR_CHECK(value > 0, return SERVICE_FAILURE, "%s critical crash time invalid", curServ->name);
663 curServ->crashTime = value;
664
665 if (attrValue == 1) {
666 curServ->attribute |= flag;
667 }
668 } else {
669 curServ->attribute &= ~flag;
670 INIT_LOGE("%s critical param invalid", curServ->name);
671 return SERVICE_FAILURE;
672 }
673 } else {
674 INIT_LOGE("%s critical type error", curServ->name);
675 return SERVICE_FAILURE;
676 }
677 return SERVICE_SUCCESS;
678 }
679
GetCpuArgs(const cJSON * argJson,const char * name,Service * service)680 static int GetCpuArgs(const cJSON *argJson, const char *name, Service *service)
681 {
682 INIT_ERROR_CHECK(argJson != NULL, return SERVICE_FAILURE, "Invalid argJson");
683 cJSON *obj = cJSON_GetObjectItem(argJson, name);
684 INIT_CHECK(obj != NULL, return SERVICE_FAILURE);
685
686 int ret = cJSON_IsArray(obj);
687 INIT_ERROR_CHECK(ret, return SERVICE_FAILURE, "Invalid type");
688 int count = cJSON_GetArraySize(obj);
689 int cpus = -1;
690 int cpuNumMax = sysconf(_SC_NPROCESSORS_CONF);
691 if (count > 0 && service->cpuSet == NULL) {
692 service->cpuSet = malloc(sizeof(cpu_set_t));
693 INIT_ERROR_CHECK(service->cpuSet != NULL, return SERVICE_FAILURE, "Failed to malloc for cpuset");
694 }
695 CPU_ZERO(service->cpuSet);
696 for (int i = 0; i < count; ++i) {
697 cJSON *item = cJSON_GetArrayItem(obj, i);
698 INIT_ERROR_CHECK(item != NULL, return SERVICE_FAILURE, "prase invalid");
699 cpus = (int)cJSON_GetNumberValue(item);
700 if (cpuNumMax <= cpus) {
701 INIT_LOGW("%s core number %d of CPU cores does not exist", service->name, cpus);
702 continue;
703 }
704 if (CPU_ISSET(cpus, service->cpuSet)) {
705 continue;
706 }
707 CPU_SET(cpus, service->cpuSet);
708 }
709 return SERVICE_SUCCESS;
710 }
711
GetServiceSandbox(const cJSON * curItem,Service * service)712 static int GetServiceSandbox(const cJSON *curItem, Service *service)
713 {
714 cJSON *item = cJSON_GetObjectItem(curItem, "sandbox");
715 if (item == NULL) {
716 return SERVICE_SUCCESS;
717 }
718
719 INIT_ERROR_CHECK(cJSON_IsNumber(item), return SERVICE_FAILURE,
720 "Service : %s sandbox value only support number.", service->name);
721 int isSandbox = (int)cJSON_GetNumberValue(item);
722 if (isSandbox == 0) {
723 MarkServiceWithoutSandbox(service);
724 } else {
725 MarkServiceWithSandbox(service);
726 }
727
728 return SERVICE_SUCCESS;
729 }
730
731 #ifdef ASAN_DETECTOR
WrapPath(char * dest,size_t len,char * source,int i)732 static int WrapPath(char *dest, size_t len, char *source, int i)
733 {
734 char *q = source;
735 char *p = dest;
736 if (q == NULL) {
737 return -1;
738 }
739
740 while (*p != '\0') {
741 if (--i <= 0) {
742 int ret = memmove_s(p + strlen(source), len, p, strlen(p) + 1);
743 INIT_ERROR_CHECK(ret == 0, return -1, "Dest is %s, source is %s, ret is %d.", dest, source, ret);
744 break;
745 }
746 p++;
747 }
748 while (*q != '\0') {
749 *p = *q;
750 p++;
751 q++;
752 }
753
754 return 0;
755 }
756
GetWrapServiceNameValue(const char * serviceName)757 static int GetWrapServiceNameValue(const char *serviceName)
758 {
759 char wrapServiceNameKey[PARAM_VALUE_LEN_MAX] = {0};
760 char wrapServiceNameValue[PARAM_VALUE_LEN_MAX] = {0};
761 unsigned int valueLen = PARAM_VALUE_LEN_MAX;
762
763 int len = sprintf_s(wrapServiceNameKey, PARAM_VALUE_LEN_MAX, "wrap.%s", serviceName);
764 INIT_INFO_CHECK(len > 0 && (len < PARAM_VALUE_LEN_MAX), return -1, "Invalid to format wrapServiceNameKey");
765
766 int ret = SystemReadParam(wrapServiceNameKey, wrapServiceNameValue, &valueLen);
767 INIT_INFO_CHECK(ret == 0, return -1, "Not wrap %s.", serviceName);
768 INIT_LOGI("Asan: GetParameter %s the value is %s.", serviceName, wrapServiceNameValue);
769 return 0;
770 }
771
SetServicePathWithAsan(Service * service)772 void SetServicePathWithAsan(Service *service)
773 {
774 char tmpPathName[MAX_ONE_ARG_LEN] = {0};
775 int anchorPos = -1;
776
777 if (GetWrapServiceNameValue(service->name) != 0) {
778 return;
779 }
780
781 int ret = strcpy_s(tmpPathName, MAX_ONE_ARG_LEN, service->pathArgs.argv[0]);
782 INIT_ERROR_CHECK(ret == 0, return, "Asan: failed to copy service path %s", service->pathArgs.argv[0]);
783
784 if (strstr(tmpPathName, "/system/bin") != NULL) {
785 anchorPos = strlen("/system") + 1;
786 } else if (strstr(tmpPathName, "/vendor/bin") != NULL) {
787 anchorPos = strlen("/vendor") + 1;
788 } else {
789 INIT_LOGE("Asan: %s is not a system or vendor binary", tmpPathName);
790 return;
791 }
792
793 ret = WrapPath(tmpPathName, MAX_ONE_ARG_LEN, "/asan", anchorPos);
794 INIT_ERROR_CHECK(ret == 0, return, "Asan: failed to add asan path.");
795 free(service->pathArgs.argv[0]);
796 service->pathArgs.argv[0] = strdup(tmpPathName);
797 INIT_LOGI("Asan: replace module %s with %s successfully.", service->name, service->pathArgs.argv[0]);
798
799 return;
800 }
801 #endif
802
ParseOneServiceArgs(const cJSON * curItem,Service * service)803 static void ParseOneServiceArgs(const cJSON *curItem, Service *service)
804 {
805 (void)GetServiceArgs(curItem, "writepid", MAX_WRITEPID_FILES, &service->writePidArgs);
806 (void)GetServiceArgs(curItem, D_CAPS_STR_IN_CFG, MAX_WRITEPID_FILES, &service->capsArgs);
807 (void)GetServiceArgs(curItem, "permission", MAX_WRITEPID_FILES, &service->permArgs);
808 (void)GetServiceArgs(curItem, "permission_acls", MAX_WRITEPID_FILES, &service->permAclsArgs);
809 size_t strLen = 0;
810 char *fieldStr = GetStringValue(curItem, APL_STR_IN_CFG, &strLen);
811 if (fieldStr != NULL) {
812 if (service->apl != NULL) {
813 free(service->apl);
814 }
815 service->apl = strdup(fieldStr);
816 INIT_CHECK(service->apl != NULL, return);
817 }
818 (void)GetCpuArgs(curItem, CPU_CORE_STR_IN_CFG, service);
819 }
820
ParseOneService(const cJSON * curItem,Service * service)821 int ParseOneService(const cJSON *curItem, Service *service)
822 {
823 INIT_CHECK_RETURN_VALUE(curItem != NULL && service != NULL, SERVICE_FAILURE);
824 int ret = GetServiceArgs(curItem, "path", MAX_PATH_ARGS_CNT, &service->pathArgs);
825 INIT_ERROR_CHECK(ret == 0, return SERVICE_FAILURE, "Failed to get path for service %s", service->name);
826 if ((service->pathArgs.count > 0) && IsForbidden(service->pathArgs.argv[0])) {
827 INIT_LOGE("Service %s is forbidden.", service->name);
828 return SERVICE_FAILURE;
829 }
830 #ifdef ASAN_DETECTOR
831 SetServicePathWithAsan(service);
832 #endif
833 ret = GetUid(cJSON_GetObjectItem(curItem, UID_STR_IN_CFG), &service->servPerm.uID);
834 INIT_ERROR_CHECK(ret == 0, return SERVICE_FAILURE, "Failed to get uid for service %s", service->name);
835 ret = GetServiceGids(curItem, service);
836 INIT_ERROR_CHECK(ret == 0, return SERVICE_FAILURE, "Failed to get gid for service %s", service->name);
837
838 ret = GetServiceAttr(curItem, service, ONCE_STR_IN_CFG, SERVICE_ATTR_ONCE, NULL);
839 INIT_ERROR_CHECK(ret == 0, return SERVICE_FAILURE, "Failed to get once flag for service %s", service->name);
840 ret = GetServiceAttr(curItem, service, IMPORTANT_STR_IN_CFG, SERVICE_ATTR_IMPORTANT, SetImportantValue);
841 INIT_ERROR_CHECK(ret == 0, return SERVICE_FAILURE, "Failed to get import flag for service %s", service->name);
842 ret = GetCritical(curItem, service, CRITICAL_STR_IN_CFG, SERVICE_ATTR_CRITICAL);
843 INIT_ERROR_CHECK(ret == 0, return SERVICE_FAILURE, "Failed to get critical flag for service %s", service->name);
844 ret = GetServiceAttr(curItem, service, DISABLED_STR_IN_CFG, SERVICE_ATTR_DISABLED, NULL);
845 INIT_ERROR_CHECK(ret == 0, return SERVICE_FAILURE, "Failed to get disabled flag for service %s", service->name);
846 ret = GetServiceAttr(curItem, service, CONSOLE_STR_IN_CFG, SERVICE_ATTR_CONSOLE, NULL);
847 INIT_ERROR_CHECK(ret == 0, return SERVICE_FAILURE, "Failed to get console for service %s", service->name);
848 ret = GetServiceAttr(curItem, service, "notify-state", SERVICE_ATTR_NOTIFY_STATE, NULL);
849 INIT_ERROR_CHECK(ret == 0, return SERVICE_FAILURE, "Failed to get notify-state for service %s", service->name);
850
851 ParseOneServiceArgs(curItem, service);
852 ret = GetServiceSandbox(curItem, service);
853 INIT_ERROR_CHECK(ret == 0, return SERVICE_FAILURE, "Failed to get sandbox for service %s", service->name);
854 ret = GetServiceCaps(curItem, service);
855 INIT_ERROR_CHECK(ret == 0, return SERVICE_FAILURE, "Failed to get caps for service %s", service->name);
856 ret = GetServiceOnDemand(curItem, service);
857 INIT_ERROR_CHECK(ret == 0, return SERVICE_FAILURE, "Failed to get ondemand flag for service %s", service->name);
858 ret = GetServiceMode(service, curItem);
859 INIT_ERROR_CHECK(ret == 0, return SERVICE_FAILURE, "Failed to get start/end mode for service %s", service->name);
860 ret = GetServiceJobs(service, cJSON_GetObjectItem(curItem, "jobs"));
861 INIT_ERROR_CHECK(ret == 0, return SERVICE_FAILURE, "Failed to get jobs for service %s", service->name);
862 return ret;
863 }
864
865 #ifndef OHOS_LITE
866 /**
867 * Service Config File Parse Hooking
868 */
ServiceParseHookWrapper(const HOOK_INFO * hookInfo,void * executionContext)869 static int ServiceParseHookWrapper(const HOOK_INFO *hookInfo, void *executionContext)
870 {
871 SERVICE_PARSE_CTX *serviceParseContext = (SERVICE_PARSE_CTX *)executionContext;
872 ServiceParseHook realHook = (ServiceParseHook)hookInfo->hookCookie;
873
874 realHook(serviceParseContext);
875 return 0;
876 };
877
InitAddServiceParseHook(ServiceParseHook hook)878 int InitAddServiceParseHook(ServiceParseHook hook)
879 {
880 HOOK_INFO info;
881
882 info.stage = INIT_SERVICE_PARSE;
883 info.prio = 0;
884 info.hook = ServiceParseHookWrapper;
885 info.hookCookie = (void *)hook;
886
887 return HookMgrAddEx(GetBootStageHookMgr(), &info);
888 }
889
ParseServiceHookExecute(const char * name,const cJSON * serviceNode)890 static void ParseServiceHookExecute(const char *name, const cJSON *serviceNode)
891 {
892 SERVICE_PARSE_CTX context;
893
894 context.serviceName = name;
895 context.serviceNode = serviceNode;
896
897 (void)HookMgrExecute(GetBootStageHookMgr(), INIT_SERVICE_PARSE, (void *)(&context), NULL);
898 }
899 #endif
900
ProcessConsoleEvent(const WatcherHandle handler,int fd,uint32_t * events,const void * context)901 static void ProcessConsoleEvent(const WatcherHandle handler, int fd, uint32_t *events, const void *context)
902 {
903 Service *service = (Service *)context;
904 LE_RemoveWatcher(LE_GetDefaultLoop(), (WatcherHandle)handler);
905 if (fd < 0 || service == NULL) {
906 INIT_LOGE("Process console event with invalid arguments");
907 return;
908 }
909 // Since we've got event from console device
910 // the fd related to '/dev/console' does not need anymore, close it.
911 close(fd);
912 if (strcmp(service->name, "console") != 0) {
913 INIT_LOGE("Process console event with invalid service %s, only console service should do this", service->name);
914 return;
915 }
916
917 // Check if debuggable
918 char value[MAX_BUFFER_LEN] = {0};
919 unsigned int len = MAX_BUFFER_LEN;
920 if (SystemReadParam("const.debuggable", value, &len) != 0) {
921 INIT_LOGE("Failed to read parameter \'const.debuggable\', prevent console service starting");
922 return;
923 }
924
925 int isDebug = StringToInt(value, 0);
926 if (isDebug != 1) {
927 INIT_LOGI("Non-debuggable system, prevent console service starting");
928 return;
929 }
930 if (ServiceStart(service) != SERVICE_SUCCESS) {
931 INIT_LOGE("Start console service failed");
932 }
933 return;
934 }
935
AddFileDescriptorToWatcher(int fd,Service * service)936 static int AddFileDescriptorToWatcher(int fd, Service *service)
937 {
938 if (fd < 0 || service == NULL) {
939 return -1;
940 }
941
942 WatcherHandle watcher = NULL;
943 LE_WatchInfo info = {};
944 info.fd = fd;
945 info.flags = 0; // WATCHER_ONCE;
946 info.events = Event_Read;
947 info.processEvent = ProcessConsoleEvent;
948 int ret = LE_StartWatcher(LE_GetDefaultLoop(), &watcher, &info, service);
949 if (ret != LE_SUCCESS) {
950 INIT_LOGE("Failed to watch console device for service \' %s \'", service->name);
951 return -1;
952 }
953 return 0;
954 }
955
WatchConsoleDevice(Service * service)956 int WatchConsoleDevice(Service *service)
957 {
958 if (service == NULL) {
959 return -1;
960 }
961
962 int fd = open("/dev/console", O_RDWR);
963 if (fd < 0) {
964 if (errno == ENOENT) {
965 INIT_LOGW("/dev/console is not exist, wait for it...");
966 WaitForFile("/dev/console", WAIT_MAX_SECOND);
967 } else {
968 INIT_LOGE("Failed to open /dev/console, err = %d", errno);
969 return -1;
970 }
971 fd = open("/dev/console", O_RDWR);
972 if (fd < 0) {
973 INIT_LOGW("Failed to open /dev/console after try 1 time, err = %d", errno);
974 return -1;
975 }
976 }
977
978 if (AddFileDescriptorToWatcher(fd, service) < 0) {
979 close(fd);
980 return -1;
981 }
982 return 0;
983 }
984
ParseAllServices(const cJSON * fileRoot)985 void ParseAllServices(const cJSON *fileRoot)
986 {
987 int servArrSize = 0;
988 cJSON *serviceArr = GetArrayItem(fileRoot, &servArrSize, SERVICES_ARR_NAME_IN_JSON);
989 INIT_CHECK(serviceArr != NULL, return);
990
991 INIT_ERROR_CHECK(servArrSize <= MAX_SERVICES_CNT_IN_FILE, return,
992 "Too many services[cnt %d] detected, should not exceed %d.",
993 servArrSize, MAX_SERVICES_CNT_IN_FILE);
994
995 size_t strLen = 0;
996 for (int i = 0; i < servArrSize; ++i) {
997 cJSON *curItem = cJSON_GetArrayItem(serviceArr, i);
998 char *fieldStr = GetStringValue(curItem, "name", &strLen);
999 if (fieldStr == NULL) {
1000 INIT_LOGE("Failed to get service name");
1001 continue;
1002 }
1003 Service *service = GetServiceByName(fieldStr);
1004 if (service == NULL) {
1005 service = AddService(fieldStr);
1006 if (service == NULL) {
1007 INIT_LOGE("Failed to add service name %s", fieldStr);
1008 continue;
1009 }
1010 } else {
1011 INIT_LOGI("Service %s already exists, updating.", fieldStr);
1012 #ifndef __MUSL__
1013 continue;
1014 #endif
1015 }
1016
1017 service->pid = -1;
1018 int ret = ParseOneService(curItem, service);
1019 if (ret != SERVICE_SUCCESS) {
1020 ReleaseService(service);
1021 service = NULL;
1022 continue;
1023 }
1024 ret = ParseServiceSocket(curItem, service);
1025 INIT_CHECK(ret == 0, FreeServiceSocket(service->socketCfg); service->socketCfg = NULL);
1026 ret = ParseServiceFile(curItem, service);
1027 INIT_CHECK(ret == 0, FreeServiceFile(service->fileCfg); service->fileCfg = NULL);
1028 // Watch "/dev/console" node for starting console service ondemand.
1029 if ((strcmp(service->name, "console") == 0) && IsOnDemandService(service)) {
1030 if (WatchConsoleDevice(service) < 0) {
1031 INIT_LOGW("Failed to watch \'/dev/console\' device");
1032 }
1033 }
1034 #ifndef OHOS_LITE
1035 /*
1036 * Execute service parsing hooks
1037 */
1038 ParseServiceHookExecute(fieldStr, curItem);
1039 #endif
1040
1041 ret = GetCmdLinesFromJson(cJSON_GetObjectItem(curItem, "onrestart"), &service->restartArg);
1042 INIT_CHECK(ret == SERVICE_SUCCESS, service->restartArg = NULL);
1043 }
1044 }
1045
GetServiceByExtServName(const char * fullServName)1046 static Service *GetServiceByExtServName(const char *fullServName)
1047 {
1048 INIT_ERROR_CHECK(fullServName != NULL, return NULL, "Failed get parameters");
1049 Service *service = GetServiceByName(fullServName);
1050 if (service != NULL) { // none parameter in fullServName
1051 return service;
1052 }
1053 char *tmpServName = strdup(fullServName);
1054 char *dstPtr[MAX_PATH_ARGS_CNT] = {NULL};
1055 int returnCount = SplitString(tmpServName, "|", dstPtr, MAX_PATH_ARGS_CNT);
1056 if (returnCount == 0) {
1057 free(tmpServName);
1058 return NULL;
1059 }
1060 service = GetServiceByName(dstPtr[0]);
1061 if (service == NULL) {
1062 free(tmpServName);
1063 return NULL;
1064 }
1065 service->extraArgs.count = service->pathArgs.count + returnCount - 1;
1066 service->extraArgs.argv = (char **)calloc(service->extraArgs.count + 1, sizeof(char *));
1067 INIT_ERROR_CHECK(service->extraArgs.argv != NULL, free(tmpServName);
1068 return NULL, "Failed calloc err=%d", errno);
1069 int argc;
1070 for (argc = 0; argc < (service->pathArgs.count - 1); argc++) {
1071 service->extraArgs.argv[argc] = strdup(service->pathArgs.argv[argc]);
1072 }
1073 int extArgc;
1074 for (extArgc = 0; extArgc < (returnCount - 1); extArgc++) {
1075 service->extraArgs.argv[extArgc + argc] = strdup(dstPtr[extArgc + 1]);
1076 }
1077 service->extraArgs.argv[service->extraArgs.count] = NULL;
1078 free(tmpServName);
1079 return service;
1080 }
1081
StartServiceByName(const char * servName)1082 void StartServiceByName(const char *servName)
1083 {
1084 INIT_LOGI("Start service %s", servName);
1085 Service *service = GetServiceByName(servName);
1086 if (service == NULL) {
1087 service = GetServiceByExtServName(servName);
1088 }
1089 INIT_ERROR_CHECK(service != NULL, return, "Cannot find service %s.", servName);
1090
1091 if (ServiceStart(service) != SERVICE_SUCCESS) {
1092 INIT_LOGE("Service %s start failed!", servName);
1093 }
1094 // After starting, clear the extra parameters.
1095 FreeStringVector(service->extraArgs.argv, service->extraArgs.count);
1096 service->extraArgs.argv = NULL;
1097 service->extraArgs.count = 0;
1098 return;
1099 }
1100
StopServiceByName(const char * servName)1101 void StopServiceByName(const char *servName)
1102 {
1103 Service *service = GetServiceByName(servName);
1104 INIT_ERROR_CHECK(service != NULL, return, "Cannot find service %s.", servName);
1105
1106 if (ServiceStop(service) != SERVICE_SUCCESS) {
1107 INIT_LOGE("Service %s stop failed!", servName);
1108 }
1109 return;
1110 }
1111
StopAllServices(int flags,const char ** exclude,int size,int (* filter)(const Service * service,const char ** exclude,int size))1112 void StopAllServices(int flags, const char **exclude, int size,
1113 int (*filter)(const Service *service, const char **exclude, int size))
1114 {
1115 Service *service = GetServiceByName("appspawn");
1116 if (service != NULL && service->pid > 0) { // notify appspawn stop
1117 #ifndef STARTUP_INIT_TEST
1118 kill(service->pid, SIGTERM);
1119 waitpid(service->pid, 0, 0);
1120 service->pid = -1;
1121 #endif
1122 }
1123
1124 InitGroupNode *node = GetNextGroupNode(NODE_TYPE_SERVICES, NULL);
1125 while (node != NULL) {
1126 Service *service = node->data.service;
1127 if (service == NULL) {
1128 node = GetNextGroupNode(NODE_TYPE_SERVICES, node);
1129 continue;
1130 }
1131 INIT_LOGI("StopAllServices stop service %s ", service->name);
1132 if (filter != NULL && filter(service, exclude, size) != 0) {
1133 node = GetNextGroupNode(NODE_TYPE_SERVICES, node);
1134 continue;
1135 }
1136 service->attribute |= (flags & SERVICE_ATTR_INVALID);
1137 int ret = ServiceStop(service);
1138 if (ret != SERVICE_SUCCESS) {
1139 INIT_LOGE("Service %s stop failed!", service->name);
1140 }
1141 node = GetNextGroupNode(NODE_TYPE_SERVICES, node);
1142 }
1143 }
1144
GetServiceByPid(pid_t pid)1145 Service *GetServiceByPid(pid_t pid)
1146 {
1147 InitGroupNode *node = GetNextGroupNode(NODE_TYPE_SERVICES, NULL);
1148 while (node != NULL) {
1149 Service *service = node->data.service;
1150 if (service != NULL && service->pid == pid) {
1151 return service;
1152 }
1153 node = GetNextGroupNode(NODE_TYPE_SERVICES, node);
1154 }
1155 return NULL;
1156 }
1157
GetServiceByName(const char * servName)1158 Service *GetServiceByName(const char *servName)
1159 {
1160 INIT_ERROR_CHECK(servName != NULL, return NULL, "Failed get servName");
1161 InitGroupNode *groupNode = GetGroupNode(NODE_TYPE_SERVICES, servName);
1162 if (groupNode != NULL) {
1163 return groupNode->data.service;
1164 }
1165 return NULL;
1166 }
1167
LoadAccessTokenId(void)1168 void LoadAccessTokenId(void)
1169 {
1170 GetAccessToken();
1171 }
1172
GetKillServiceSig(const char * name)1173 int GetKillServiceSig(const char *name)
1174 {
1175 if (strcmp(name, "appspawn") == 0 || strcmp(name, "nwebspawn") == 0) {
1176 return SIGTERM;
1177 }
1178 return SIGKILL;
1179 }
1180