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1 /*
2  * Copyright (c) 2020 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 
16 #include "bundle_ms_feature.h"
17 
18 #include "ability_info_utils.h"
19 #include "appexecfwk_errors.h"
20 #include "bundle_info_utils.h"
21 #include "bundle_inner_interface.h"
22 #include "bundle_manager_service.h"
23 #include "bundle_message_id.h"
24 #include "convert_utils.h"
25 #include "liteipc_adapter.h"
26 #include "log.h"
27 #include "message.h"
28 #include "ohos_init.h"
29 #include "samgr_lite.h"
30 #include "securec.h"
31 #include "serializer.h"
32 #include "utils.h"
33 #include "want_utils.h"
34 
35 namespace OHOS {
36 #ifdef __LINUX__
37 constexpr static uint32_t MAX_IPC_STRING_LENGTH = 8192UL;
38 #endif
39 static BmsImpl g_bmsImpl = {
40     SERVER_IPROXY_IMPL_BEGIN,
41     .Invoke = BundleMsFeature::Invoke,
42     .QueryAbilityInfo = BundleMsFeature::QueryAbilityInfo,
43     .GetBundleInfo = BundleMsFeature::GetBundleInfo,
44     .GetBundleInfos = BundleMsFeature::GetBundleInfos,
45     .QueryKeepAliveBundleInfos = BundleMsFeature::QueryKeepAliveBundleInfos,
46     .GetBundleNameForUid = BundleMsFeature::GetBundleNameForUid,
47     .GetBundleSize = BundleMsFeature::GetBundleSize,
48     IPROXY_END
49 };
50 
51 BundleInvokeType BundleMsFeature::BundleMsInvokeFuc[BMS_INNER_BEGIN] {
52     QueryInnerAbilityInfo,
53     GetInnerBundleInfo,
54     ChangeInnerCallbackServiceId,
55     GetInnerBundleNameForUid,
56     HandleGetBundleInfos,
57     HandleGetBundleInfos,
58     HandleGetBundleInfos,
59     HasSystemCapability,
60     GetInnerBundleSize,
61     GetSystemAvailableCapabilities,
62 };
63 
GetBmsFeatureApi(Feature * feature)64 IUnknown *GetBmsFeatureApi(Feature *feature)
65 {
66     g_bmsImpl.bundleMsFeature = reinterpret_cast<BundleMsFeature *>(feature);
67     return GET_IUNKNOWN(g_bmsImpl);
68 }
69 
Init()70 static void Init()
71 {
72     SamgrLite *sm = SAMGR_GetInstance();
73     if (sm == nullptr) {
74         return;
75     }
76     sm->RegisterFeature(BMS_SERVICE, reinterpret_cast<Feature *>(BundleMsFeature::GetInstance()));
77     sm->RegisterFeatureApi(BMS_SERVICE, BMS_FEATURE,
78         GetBmsFeatureApi(reinterpret_cast<Feature *>(BundleMsFeature::GetInstance())));
79     HILOG_DEBUG(HILOG_MODULE_APP, "BundleMS feature start success");
80 }
81 APP_FEATURE_INIT(Init);
82 
BundleMsFeature()83 BundleMsFeature::BundleMsFeature() : identity_()
84 {
85     this->Feature::GetName = BundleMsFeature::GetFeatureName;
86     this->Feature::OnInitialize = BundleMsFeature::OnFeatureInitialize;
87     this->Feature::OnStop = BundleMsFeature::OnFeatureStop;
88     this->Feature::OnMessage = BundleMsFeature::OnFeatureMessage;
89 }
90 
~BundleMsFeature()91 BundleMsFeature::~BundleMsFeature() {}
92 
GetFeatureName(Feature * feature)93 const char *BundleMsFeature::GetFeatureName(Feature *feature)
94 {
95     (void) feature;
96     return BMS_FEATURE;
97 }
98 
OnFeatureInitialize(Feature * feature,Service * parent,Identity identity)99 void BundleMsFeature::OnFeatureInitialize(Feature *feature, Service *parent, Identity identity)
100 {
101     if (feature == nullptr) {
102         return;
103     }
104     (reinterpret_cast<BundleMsFeature *>(feature))->identity_ = identity;
105     bool ret = GetInstance()->BundleServiceTaskInit();
106     HILOG_DEBUG(HILOG_MODULE_APP, "BundleMS feature initialized, result is %d", ret);
107 }
108 
OnFeatureStop(Feature * feature,Identity identity)109 void BundleMsFeature::OnFeatureStop(Feature *feature, Identity identity)
110 {
111     (void) feature;
112     (void) identity;
113 }
114 
OnFeatureMessage(Feature * feature,Request * request)115 BOOL BundleMsFeature::OnFeatureMessage(Feature *feature, Request *request)
116 {
117     if (feature == nullptr || request == nullptr) {
118         return FALSE;
119     }
120     ManagerService::GetInstance().ServiceMsgProcess(request);
121     return TRUE;
122 }
123 
InnerFreeDataBuff(void * ptr)124 static void InnerFreeDataBuff(void *ptr)
125 {
126     if (ptr != nullptr) {
127         cJSON_free(ptr);
128     }
129 }
130 
HasSystemCapability(const uint8_t funcId,IpcIo * req,IpcIo * reply)131 uint8_t BundleMsFeature::HasSystemCapability(const uint8_t funcId, IpcIo *req, IpcIo *reply)
132 {
133     if ((req == nullptr) || (reply == nullptr)) {
134         return ERR_APPEXECFWK_OBJECT_NULL;
135     }
136     size_t size = 0;
137     char *sysCapName = reinterpret_cast<char *>(IpcIoPopString(req, &size));
138     if (sysCapName == nullptr) {
139         return ERR_APPEXECFWK_DESERIALIZATION_FAILED;
140     }
141     bool hasSysCap = OHOS::ManagerService::GetInstance().HasSystemCapability(sysCapName);
142     if (hasSysCap) {
143         IpcIoPushUint8(reply, static_cast<uint8_t>(OHOS_SUCCESS));
144         return OHOS_SUCCESS;
145     }
146     return ERR_APPEXECFWK_OBJECT_NULL;
147 }
148 
GetSystemAvailableCapabilities(const uint8_t funcId,IpcIo * req,IpcIo * reply)149 uint8_t BundleMsFeature::GetSystemAvailableCapabilities(const uint8_t funcId, IpcIo *req, IpcIo *reply)
150 {
151     if ((req == nullptr) || (reply == nullptr)) {
152         return ERR_APPEXECFWK_OBJECT_NULL;
153     }
154 
155     char sysCaps[MAX_SYSCAP_NUM][MAX_SYSCAP_NAME_LEN];
156     int32_t len = MAX_SYSCAP_NUM;
157     uint8_t errorCode = OHOS::ManagerService::GetInstance().GetSystemAvailableCapabilities(sysCaps, &len);
158     if (errorCode != OHOS_SUCCESS) {
159         return errorCode;
160     }
161     IpcIoPushUint8(reply, static_cast<uint8_t>(OHOS_SUCCESS));
162     IpcIoPushInt32(reply, len);
163     for (int32_t index = 0; index < len; index++) {
164         IpcIoPushString(reply, sysCaps[index]);
165     }
166     return errorCode;
167 }
168 
QueryInnerAbilityInfo(const uint8_t funcId,IpcIo * req,IpcIo * reply)169 uint8_t BundleMsFeature::QueryInnerAbilityInfo(const uint8_t funcId, IpcIo *req, IpcIo *reply)
170 {
171     if ((req == nullptr) || (reply == nullptr)) {
172         return ERR_APPEXECFWK_OBJECT_NULL;
173     }
174     Want want;
175     if (memset_s(&want, sizeof(Want), 0, sizeof(Want)) != EOK) {
176         HILOG_ERROR(HILOG_MODULE_APP, "BundleMS feature memset want failed");
177         return ERR_APPEXECFWK_SYSTEM_INTERNAL_ERROR;
178     }
179     if (!DeserializeWant(&want, req)) {
180         HILOG_ERROR(HILOG_MODULE_APP, "BundleMS feature deserialize failed");
181         return ERR_APPEXECFWK_SYSTEM_INTERNAL_ERROR;
182     }
183     AbilityInfo abilityInfo;
184     if (memset_s(&abilityInfo, sizeof(AbilityInfo), 0, sizeof(AbilityInfo)) != EOK) {
185         ClearWant(&want);
186         HILOG_ERROR(HILOG_MODULE_APP, "BundleMS feature memset ability info failed");
187         return ERR_APPEXECFWK_SYSTEM_INTERNAL_ERROR;
188     }
189     uint8_t errorCode = QueryAbilityInfo(&want, &abilityInfo);
190     ClearWant(&want);
191     if (errorCode != OHOS_SUCCESS) {
192         ClearAbilityInfo(&abilityInfo);
193         return errorCode;
194     }
195     char *str = ConvertUtils::ConvertAbilityInfoToString(&abilityInfo);
196     if (str == nullptr) {
197         ClearAbilityInfo(&abilityInfo);
198         return ERR_APPEXECFWK_SERIALIZATION_FAILED;
199     }
200 #ifdef __LINUX__
201     if (strlen(str) > MAX_IPC_STRING_LENGTH) {
202         ClearAbilityInfo(&abilityInfo);
203         return ERR_APPEXECFWK_SERIALIZATION_FAILED;
204     }
205 #endif
206     IpcIoPushUint8(reply, static_cast<uint8_t>(OHOS_SUCCESS));
207 #ifdef __LINUX__
208     IpcIoPushString(reply, str);
209 #else
210     BuffPtr dataBuff = {.buffSz = strlen(str) + 1, .buff = str};
211     IpcIoPushDataBuffWithFree(reply, &dataBuff, InnerFreeDataBuff);
212 #endif
213     ClearAbilityInfo(&abilityInfo);
214     return OHOS_SUCCESS;
215 }
216 
GetInnerBundleInfo(const uint8_t funcId,IpcIo * req,IpcIo * reply)217 uint8_t BundleMsFeature::GetInnerBundleInfo(const uint8_t funcId, IpcIo *req, IpcIo *reply)
218 {
219     if ((req == nullptr) || (reply == nullptr)) {
220         return ERR_APPEXECFWK_OBJECT_NULL;
221     }
222     size_t size = 0;
223     char *bundleName = reinterpret_cast<char *>(IpcIoPopString(req, &size));
224     if (bundleName == nullptr) {
225         return ERR_APPEXECFWK_DESERIALIZATION_FAILED;
226     }
227     BundleInfo bundleInfo;
228     if (memset_s(&bundleInfo, sizeof(BundleInfo), 0, sizeof(BundleInfo)) != EOK) {
229         return ERR_APPEXECFWK_SYSTEM_INTERNAL_ERROR;
230     }
231     uint8_t errorCode = GetBundleInfo(bundleName, IpcIoPopInt32(req), &bundleInfo);
232     if (errorCode != OHOS_SUCCESS) {
233         HILOG_ERROR(HILOG_MODULE_APP, "BundleMS GET_BUNDLE_INFO errorcode: %{public}d\n", errorCode);
234         return errorCode;
235     }
236     char *str = ConvertUtils::ConvertBundleInfoToString(&bundleInfo);
237     if (str == nullptr) {
238         return ERR_APPEXECFWK_SERIALIZATION_FAILED;
239     }
240 #ifdef __LINUX__
241     if (strlen(str) > MAX_IPC_STRING_LENGTH) {
242         return ERR_APPEXECFWK_SERIALIZATION_FAILED;
243     }
244 #endif
245     IpcIoPushUint8(reply, static_cast<uint8_t>(OHOS_SUCCESS));
246 #ifdef __LINUX__
247     IpcIoPushString(reply, str);
248 #else
249     BuffPtr dataBuff = {.buffSz = strlen(str) + 1, .buff = str};
250     IpcIoPushDataBuffWithFree(reply, &dataBuff, InnerFreeDataBuff);
251 #endif
252     return OHOS_SUCCESS;
253 }
254 
GetInnerBundleSize(const uint8_t funcId,IpcIo * req,IpcIo * reply)255 uint8_t BundleMsFeature::GetInnerBundleSize(const uint8_t funcId, IpcIo *req, IpcIo *reply)
256 {
257     if ((req == nullptr) || (reply == nullptr)) {
258         return ERR_APPEXECFWK_OBJECT_NULL;
259     }
260     size_t size = 0;
261     uint32_t bundleSize = 0;
262     char *bundleName = reinterpret_cast<char *>(IpcIoPopString(req, &size));
263     if (bundleName == nullptr) {
264         IpcIoPushUint8(reply, static_cast<uint8_t>(OHOS_SUCCESS));
265         IpcIoPushUint32(reply, bundleSize);
266         return OHOS_SUCCESS;
267     }
268     bundleSize = GetBundleSize(bundleName);
269     IpcIoPushUint8(reply, static_cast<uint8_t>(OHOS_SUCCESS));
270     IpcIoPushUint32(reply, bundleSize);
271     return OHOS_SUCCESS;
272 }
273 
HandleGetBundleInfos(const uint8_t funcId,IpcIo * req,IpcIo * reply)274 uint8_t BundleMsFeature::HandleGetBundleInfos(const uint8_t funcId, IpcIo *req, IpcIo *reply)
275 {
276     if ((req == nullptr) || (reply == nullptr)) {
277         return ERR_APPEXECFWK_OBJECT_NULL;
278     }
279     BundleInfo *bundleInfos = nullptr;
280     char *metaDataKey = nullptr;
281     int32_t lengthOfBundleInfo = 0;
282     uint8_t errorCode = 0;
283     size_t length = 0;
284     if (funcId == GET_BUNDLE_INFOS) {
285         errorCode = GetBundleInfos(IpcIoPopInt32(req), &bundleInfos, &lengthOfBundleInfo);
286     } else if (funcId == QUERY_KEEPALIVE_BUNDLE_INFOS) {
287         errorCode = QueryKeepAliveBundleInfos(&bundleInfos, &lengthOfBundleInfo);
288     } else if (funcId == GET_BUNDLE_INFOS_BY_METADATA) {
289         metaDataKey = reinterpret_cast<char *>(IpcIoPopString(req, &length));
290         if (metaDataKey == nullptr) {
291             return ERR_APPEXECFWK_DESERIALIZATION_FAILED;
292         }
293         errorCode = GetBundleInfosByMetaData(metaDataKey, &bundleInfos, &lengthOfBundleInfo);
294     } else {
295         return ERR_APPEXECFWK_COMMAND_ERROR;
296     }
297     if (errorCode != OHOS_SUCCESS) {
298         BundleInfoUtils::FreeBundleInfos(bundleInfos, lengthOfBundleInfo);
299         return errorCode;
300     }
301     char *strs = ConvertUtils::ConvertBundleInfosToString(&bundleInfos, lengthOfBundleInfo);
302     if (strs == nullptr) {
303         BundleInfoUtils::FreeBundleInfos(bundleInfos, lengthOfBundleInfo);
304         return ERR_APPEXECFWK_SERIALIZATION_FAILED;
305     }
306 #ifdef __LINUX__
307     if (strlen(strs) > MAX_IPC_STRING_LENGTH) {
308         BundleInfoUtils::FreeBundleInfos(bundleInfos, lengthOfBundleInfo);
309         return ERR_APPEXECFWK_SERIALIZATION_FAILED;
310     }
311 #endif
312     IpcIoPushUint8(reply, static_cast<uint8_t>(OHOS_SUCCESS));
313     IpcIoPushInt32(reply, lengthOfBundleInfo);
314 #ifdef __LINUX__
315     IpcIoPushString(reply, strs);
316 #else
317     BuffPtr dataBuff = {.buffSz = strlen(strs) + 1, .buff = strs};
318     IpcIoPushDataBuffWithFree(reply, &dataBuff, InnerFreeDataBuff);
319 #endif
320     BundleInfoUtils::FreeBundleInfos(bundleInfos, lengthOfBundleInfo);
321     return OHOS_SUCCESS;
322 }
323 
GetInnerBundleNameForUid(const uint8_t funcId,IpcIo * req,IpcIo * reply)324 uint8_t BundleMsFeature::GetInnerBundleNameForUid(const uint8_t funcId, IpcIo *req, IpcIo *reply)
325 {
326     if ((req == nullptr) || (reply == nullptr)) {
327         return ERR_APPEXECFWK_OBJECT_NULL;
328     }
329     char *bundleName = nullptr;
330     uint8_t errorCode = GetBundleNameForUid(IpcIoPopInt32(req), &bundleName);
331     if (errorCode != OHOS_SUCCESS) {
332         AdapterFree(bundleName);
333         return errorCode;
334     }
335     IpcIoPushUint8(reply, static_cast<uint8_t>(OHOS_SUCCESS));
336     IpcIoPushString(reply, bundleName);
337     AdapterFree(bundleName);
338     return errorCode;
339 }
340 
ChangeInnerCallbackServiceId(const uint8_t funcId,IpcIo * req,IpcIo * reply)341 uint8_t BundleMsFeature::ChangeInnerCallbackServiceId(const uint8_t funcId, IpcIo *req, IpcIo *reply)
342 {
343     if ((req == nullptr) || (reply == nullptr)) {
344         return ERR_APPEXECFWK_OBJECT_NULL;
345     }
346     bool flag = IpcIoPopBool(req);
347     SvcIdentity *svc = IpcIoPopSvc(req);
348     if (svc == nullptr) {
349         return ERR_APPEXECFWK_DESERIALIZATION_FAILED;
350     }
351 
352     auto svcIdentity = reinterpret_cast<SvcIdentity *>(AdapterMalloc(sizeof(SvcIdentity)));
353     if (svcIdentity == nullptr) {
354 #ifdef __LINUX__
355         AdapterFree(svc);
356         svc = nullptr;
357 #endif
358         return ERR_APPEXECFWK_SYSTEM_INTERNAL_ERROR;
359     }
360     *svcIdentity = *svc;
361 #ifdef __LINUX__
362     BinderAcquire(svc->ipcContext, svc->handle);
363     AdapterFree(svc);
364     svc = nullptr;
365 #endif
366     Request request = {
367         .msgId = BUNDLE_CHANGE_CALLBACK,
368         .len = static_cast<int16>(sizeof(SvcIdentity)),
369         .data = reinterpret_cast<void *>(svcIdentity),
370         .msgValue = static_cast<uint32>(flag ? 1 : 0)
371     };
372     int32 propRet = SAMGR_SendRequest(&(GetInstance()->identity_), &request, nullptr);
373     if (propRet != OHOS_SUCCESS) {
374         AdapterFree(svcIdentity);
375         return ERR_APPEXECFWK_UNINSTALL_FAILED_SEND_REQUEST_ERROR;
376     }
377     return ERR_OK;
378 }
379 
Invoke(IServerProxy * iProxy,int funcId,void * origin,IpcIo * req,IpcIo * reply)380 int32 BundleMsFeature::Invoke(IServerProxy *iProxy, int funcId, void *origin, IpcIo *req, IpcIo *reply)
381 {
382     if (req == nullptr) {
383         return ERR_APPEXECFWK_OBJECT_NULL;
384     }
385     IpcIoPushUint8(reply, static_cast<uint8_t>(funcId));
386     uint8_t ret = OHOS_SUCCESS;
387     if (funcId >= GET_BUNDLE_INFOS && funcId <= GET_BUNDLE_INFOS_BY_METADATA) {
388         ret = BundleMsInvokeFuc[GET_BUNDLE_INFOS](funcId, req, reply);
389     } else if (funcId >= QUERY_ABILITY_INFO && funcId <= GET_BUNDLENAME_FOR_UID) {
390         ret = BundleMsInvokeFuc[funcId](funcId, req, reply);
391     } else if (funcId >= CHECK_SYS_CAP && funcId <= GET_SYS_CAP) {
392         ret = BundleMsInvokeFuc[funcId](funcId, req, reply);
393     } else {
394         ret = ERR_APPEXECFWK_COMMAND_ERROR;
395     }
396 
397     if (ret != OHOS_SUCCESS) {
398         IpcIoPushUint8(reply, ret);
399     }
400     return ret;
401 }
402 
BundleServiceTaskInit()403 bool BundleMsFeature::BundleServiceTaskInit()
404 {
405     Request request = {
406         .msgId = BUNDLE_SERVICE_INITED,
407         .len = 0,
408         .data = nullptr,
409         .msgValue = 0
410     };
411     int32 propRet = SAMGR_SendRequest(&identity_, &request, nullptr);
412     if (propRet != OHOS_SUCCESS) {
413         return false;
414     }
415     return true;
416 }
417 
QueryAbilityInfo(const Want * want,AbilityInfo * abilityInfo)418 uint8_t BundleMsFeature::QueryAbilityInfo(const Want *want, AbilityInfo *abilityInfo)
419 {
420     if ((abilityInfo == nullptr) || (want == nullptr) || (want->element == nullptr)) {
421         return ERR_APPEXECFWK_OBJECT_NULL;
422     }
423 
424     BundleInfo *bundleInfo = OHOS::ManagerService::GetInstance().QueryBundleInfo(want->element->bundleName);
425     if (bundleInfo == nullptr) {
426         return ERR_APPEXECFWK_QUERY_NO_INFOS;
427     }
428 
429     if ((bundleInfo->abilityInfos == nullptr) || (bundleInfo->numOfAbility == 0)) {
430         return ERR_APPEXECFWK_QUERY_NO_INFOS;
431     }
432 
433     for (int32_t i = 0; i < bundleInfo->numOfAbility; ++i) {
434         if ((want->element->abilityName != nullptr) && ((bundleInfo->abilityInfos)[i].name != nullptr) &&
435             (strcmp(want->element->abilityName, (bundleInfo->abilityInfos)[i].name) == 0)) {
436             OHOS::AbilityInfoUtils::CopyAbilityInfo(abilityInfo, bundleInfo->abilityInfos[i]);
437             return OHOS_SUCCESS;
438         }
439     }
440     return ERR_APPEXECFWK_QUERY_NO_INFOS;
441 }
442 
GetBundleInfo(const char * bundleName,int32_t flags,BundleInfo * bundleInfo)443 uint8_t BundleMsFeature::GetBundleInfo(const char *bundleName, int32_t flags, BundleInfo *bundleInfo)
444 {
445     return OHOS::ManagerService::GetInstance().GetBundleInfo(bundleName, flags, *bundleInfo);
446 }
447 
GetBundleInfos(const int flags,BundleInfo ** bundleInfos,int32_t * len)448 uint8_t BundleMsFeature::GetBundleInfos(const int flags, BundleInfo **bundleInfos, int32_t *len)
449 {
450     return OHOS::ManagerService::GetInstance().GetBundleInfos(flags, bundleInfos, len);
451 }
452 
GetBundleSize(const char * bundleName)453 uint32_t BundleMsFeature::GetBundleSize(const char *bundleName)
454 {
455     return OHOS::ManagerService::GetInstance().GetBundleSize(bundleName);
456 }
457 
QueryKeepAliveBundleInfos(BundleInfo ** bundleInfos,int32_t * len)458 uint8_t BundleMsFeature::QueryKeepAliveBundleInfos(BundleInfo **bundleInfos, int32_t *len)
459 {
460     if ((bundleInfos == nullptr) || (len == nullptr)) {
461         return ERR_APPEXECFWK_OBJECT_NULL;
462     }
463     BundleInfo *allBundleInfos = nullptr;
464     int32_t numOfAllBundleInfos = 0;
465     uint8_t errorCode = GetBundleInfos(1, &allBundleInfos, &numOfAllBundleInfos);
466     if (errorCode != OHOS_SUCCESS) {
467         return errorCode;
468     }
469     *len = 0;
470     for (int32_t i = 0; i < numOfAllBundleInfos; i++) {
471         if (allBundleInfos[i].isKeepAlive && allBundleInfos[i].isSystemApp) {
472             (*len)++;
473         }
474     }
475 
476     if (*len == 0) {
477         BundleInfoUtils::FreeBundleInfos(allBundleInfos, numOfAllBundleInfos);
478         return ERR_APPEXECFWK_QUERY_NO_INFOS;
479     }
480     *bundleInfos = reinterpret_cast<BundleInfo *>(AdapterMalloc(sizeof(BundleInfo) * (*len)));
481     if (*bundleInfos == nullptr || memset_s(*bundleInfos, sizeof(BundleInfo) * (*len), 0,
482         sizeof(BundleInfo) * (*len)) != EOK) {
483         BundleInfoUtils::FreeBundleInfos(allBundleInfos, numOfAllBundleInfos);
484         return ERR_APPEXECFWK_QUERY_INFOS_INIT_ERROR;
485     }
486 
487     int32_t count = 0;
488     for (int32_t i = 0; i < numOfAllBundleInfos && count < *len; i++) {
489         if (allBundleInfos[i].isKeepAlive && allBundleInfos[i].isSystemApp) {
490             OHOS::BundleInfoUtils::CopyBundleInfo(1, *bundleInfos + count, allBundleInfos[i]);
491             count++;
492         }
493     }
494     BundleInfoUtils::FreeBundleInfos(allBundleInfos, numOfAllBundleInfos);
495     return OHOS_SUCCESS;
496 }
497 
CheckBundleInfoWithSpecialMetaData(const BundleInfo & bundleInfo,const char * metaDataKey)498 static bool CheckBundleInfoWithSpecialMetaData(const BundleInfo &bundleInfo, const char *metaDataKey)
499 {
500     if (metaDataKey == nullptr) {
501         return false;
502     }
503 
504     for (int32_t i = 0; i < bundleInfo.numOfModule; i++) {
505         for (int32_t j = 0; j < METADATA_SIZE; j++) {
506             if ((bundleInfo.moduleInfos[i].metaData[j] != nullptr) &&
507                 (bundleInfo.moduleInfos[i].metaData[j]->name != nullptr) &&
508                 strcmp(metaDataKey, bundleInfo.moduleInfos[i].metaData[j]->name) == 0) {
509                 return true;
510             }
511         }
512     }
513     return false;
514 }
515 
GetBundleInfosByMetaData(const char * metaDataKey,BundleInfo ** bundleInfos,int32_t * len)516 uint8_t BundleMsFeature::GetBundleInfosByMetaData(const char *metaDataKey, BundleInfo **bundleInfos, int32_t *len)
517 {
518     if (metaDataKey == nullptr || bundleInfos == nullptr) {
519         return ERR_APPEXECFWK_OBJECT_NULL;
520     }
521 
522     BundleInfo *allBundleInfos = nullptr;
523     int32_t numOfAllBundleInfos = 0;
524     uint8_t errorCode = GetBundleInfos(1, &allBundleInfos, &numOfAllBundleInfos);
525     if (errorCode != OHOS_SUCCESS) {
526         return errorCode;
527     }
528     *len = 0;
529     for (int32_t i = 0; i < numOfAllBundleInfos; i++) {
530         if (CheckBundleInfoWithSpecialMetaData(allBundleInfos[i], metaDataKey)) {
531             (*len)++;
532         }
533     }
534 
535     if (*len == 0) {
536         BundleInfoUtils::FreeBundleInfos(allBundleInfos, numOfAllBundleInfos);
537         return ERR_APPEXECFWK_QUERY_NO_INFOS;
538     }
539 
540     *bundleInfos = reinterpret_cast<BundleInfo *>(AdapterMalloc(sizeof(BundleInfo) * (*len)));
541     if (*bundleInfos == nullptr || memset_s(*bundleInfos, sizeof(BundleInfo) * (*len), 0,
542         sizeof(BundleInfo) * (*len)) != EOK) {
543         BundleInfoUtils::FreeBundleInfos(allBundleInfos, numOfAllBundleInfos);
544         return ERR_APPEXECFWK_QUERY_INFOS_INIT_ERROR;
545     }
546 
547     int32_t count = 0;
548     for (int32_t i = 0; i < numOfAllBundleInfos && count < *len; i++) {
549         if (CheckBundleInfoWithSpecialMetaData(allBundleInfos[i], metaDataKey)) {
550             BundleInfoUtils::CopyBundleInfo(1, *bundleInfos + count, allBundleInfos[i]);
551             count++;
552         }
553     }
554     BundleInfoUtils::FreeBundleInfos(allBundleInfos, numOfAllBundleInfos);
555     return OHOS_SUCCESS;
556 }
557 
GetBundleNameForUid(int32_t uid,char ** bundleName)558 uint8_t BundleMsFeature::GetBundleNameForUid(int32_t uid, char **bundleName)
559 {
560     if (bundleName == nullptr) {
561         return ERR_APPEXECFWK_OBJECT_NULL;
562     }
563     BundleInfo *infos = nullptr;
564     int32_t numOfInfos = 0;
565     uint8_t errorCode = GetBundleInfos(0, &infos, &numOfInfos);
566     if (errorCode != OHOS_SUCCESS) {
567         BundleInfoUtils::FreeBundleInfos(infos, numOfInfos);
568         return errorCode;
569     }
570 
571     for (int i = 0; i < numOfInfos; ++i) {
572         if (infos[i].uid == uid) {
573             *bundleName = Utils::Strdup(infos[i].bundleName);
574             break;
575         }
576     }
577     BundleInfoUtils::FreeBundleInfos(infos, numOfInfos);
578     if (*bundleName == nullptr) {
579         return ERR_APPEXECFWK_NO_BUNDLENAME_FOR_UID;
580     }
581     return OHOS_SUCCESS;
582 }
583 } // namespace OHOS
584