114 STATIC UINT32 ParseItemAccess(const CHAR *buf, DevAccessItem *item)  in ParseItemAccess()  argument
118             item->type = DEVLIMIT_DEV_ALL;  in ParseItemAccess()
121             item->type = DEVLIMIT_DEV_BLOCK;  in ParseItemAccess()
124             item->type = DEVLIMIT_DEV_CHAR;  in ParseItemAccess()
135     for (INT32 count = 0; count < sizeof(item->name) - 1; count++) {  in ParseItemAccess()
139         item->name[count] = *buf;  in ParseItemAccess()
150                 item->access |= DEVLIMIT_ACC_READ;  in ParseItemAccess()
153                 item->access |= DEVLIMIT_ACC_WRITE;  in ParseItemAccess()
156                 item->access |= DEVLIMIT_ACC_MKNOD;  in ParseItemAccess()
234 STATIC BOOL DevLimitMatchItemPartial(LOS_DL_LIST *list, DevAccessItem *item)  in DevLimitMatchItemPartial()  argument
236     if ((list == NULL) || (item == NULL)) {  in DevLimitMatchItemPartial()
244         if (item->type != walk->type) {  in DevLimitMatchItemPartial()
247         if ((strcmp(walk->name, "*") != 0) && (strcmp(item->name, "*") != 0)  in DevLimitMatchItemPartial()
248         && (strcmp(walk->name, item->name) != 0)) {  in DevLimitMatchItemPartial()
251         if (!(item->access & ~(walk->access))) {  in DevLimitMatchItemPartial()
258 STATIC BOOL DevLimitParentAllowsRmItem(ProcDevLimit *devParentLimit, DevAccessItem *item)  in DevLimitParentAllowsRmItem()  argument
263      /* Make sure you're not removing part or a whole item existing in the parent plimits */  in DevLimitParentAllowsRmItem()
264     return !DevLimitMatchItemPartial(&devParentLimit->accessList, item);  in DevLimitParentAllowsRmItem()
267 STATIC BOOL DevLimitMatchItem(LOS_DL_LIST *list, DevAccessItem *item)  in DevLimitMatchItem()  argument
269     if ((list == NULL) || (item == NULL)) {  in DevLimitMatchItem()
277         if (item->type != walk->type) {  in DevLimitMatchItem()
280         if ((strcmp(walk->name, "*") != 0) && (strcmp(walk->name, item->name) != 0)) {  in DevLimitMatchItem()
283         if (!(item->access & ~(walk->access))) {  in DevLimitMatchItem()
293 STATIC BOOL DevLimitVerifyNewItem(ProcDevLimit *parent, DevAccessItem *item, INT32 currBehavior)  in DevLimitVerifyNewItem()  argument
303         return !DevLimitMatchItemPartial(&parent->accessList, item);  in DevLimitVerifyNewItem()
305     return DevLimitMatchItem(&parent->accessList, item);  in DevLimitVerifyNewItem()
308 STATIC BOOL DevLimitParentAllowsAddItem(ProcDevLimit *devParentLimit, DevAccessItem *item, INT32 cu…  in DevLimitParentAllowsAddItem()  argument
310     return DevLimitVerifyNewItem(devParentLimit, item, currBehavior);  in DevLimitParentAllowsAddItem()
313 STATIC VOID DevLimitAccessListRm(ProcDevLimit *devLimit, DevAccessItem *item)  in DevLimitAccessListRm()  argument
315     if ((item == NULL) || (devLimit == NULL)) {  in DevLimitAccessListRm()
320         if (walk->type != item->type) {  in DevLimitAccessListRm()
323         if (strcmp(walk->name, item->name) != 0) {  in DevLimitAccessListRm()
326         walk->access &= ~item->access;  in DevLimitAccessListRm()
334 STATIC UINT32 DevLimitAccessListAdd(ProcDevLimit *devLimit, DevAccessItem *item)  in DevLimitAccessListAdd()  argument
336     if ((item == NULL) || (devLimit == NULL)) {  in DevLimitAccessListAdd()
345     (VOID)memcpy_s(newItem, sizeof(DevAccessItem), item, sizeof(DevAccessItem));  in DevLimitAccessListAdd()
347         if (walk->type != item->type) {  in DevLimitAccessListAdd()
350         if (strcmp(walk->name, item->name) != 0) {  in DevLimitAccessListAdd()
353         walk->access |= item->access;  in DevLimitAccessListAdd()
382  * propagates a new item to the children
384 …NT32 DevLimitPropagateItem(ProcLimitSet *procLimitSet, ProcDevLimit *devLimit, DevAccessItem *item)  in DevLimitPropagateItem()  argument
390     if ((procLimitSet == NULL) || (item == NULL)) {  in DevLimitPropagateItem()
411             ret = DevLimitAccessListAdd(devLimitChild, item);  in DevLimitPropagateItem()
413             DevLimitAccessListRm(devLimitChild, item);  in DevLimitPropagateItem()
424     DevAccessItem item = {0};  in DevLimitUpdateAccess()  local
430     ret = ParseItemAccess(buf, &item);  in DevLimitUpdateAccess()
435     if (item.type == DEVLIMIT_DEV_ALL) {  in DevLimitUpdateAccess()
443                 if (!DevLimitParentAllowsRmItem(devParentLimit, &item)) {  in DevLimitUpdateAccess()
447                 DevLimitAccessListRm(devLimit, &item);  in DevLimitUpdateAccess()
450             if (!DevLimitParentAllowsAddItem(devParentLimit, &item, devLimit->behavior)) {  in DevLimitUpdateAccess()
454             ret = DevLimitAccessListAdd(devLimit, &item);  in DevLimitUpdateAccess()
459                 DevLimitAccessListRm(devLimit, &item);  in DevLimitUpdateAccess()
461                 ret = DevLimitAccessListAdd(devLimit, &item);  in DevLimitUpdateAccess()
464             ret = DevLimitPropagateItem(procLimitSet, devLimit, &item);  in DevLimitUpdateAccess()
517     DevAccessItem *item = NULL;  in OsDevLimitShow()  local
532     LOS_DL_LIST_FOR_EACH_ENTRY(item, &devLimit->accessList, DevAccessItem, list) {  in OsDevLimitShow()
533         DevLimitItemSetAccess(acc, item->access);  in OsDevLimitShow()
534         LosBufPrintf(seqBuf, "%c %s %s\n", DevLimitItemTypeToChar(item->type), item->name, acc);  in OsDevLimitShow()
572     DevAccessItem item = {0};  in OsDevLimitCheckPermission()  local
584     item.type = ConversionDevType(vnodeType);  in OsDevLimitCheckPermission()
585     item.access = ConversionDevAccess(flags);  in OsDevLimitCheckPermission()
586     LOS_ListInit(&(item.list));  in OsDevLimitCheckPermission()
587     (VOID)strncpy_s(item.name, PATH_MAX, pathName, PATH_MAX);  in OsDevLimitCheckPermission()
590         matched = !DevLimitMatchItemPartial(&devLimit->accessList, &item);  in OsDevLimitCheckPermission()
592         matched = DevLimitMatchItem(&devLimit->accessList, &item);  in OsDevLimitCheckPermission()