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-rw-r--r--amend/permissions.c270
1 files changed, 0 insertions, 270 deletions
diff --git a/amend/permissions.c b/amend/permissions.c
deleted file mode 100644
index a642d0bb2..000000000
--- a/amend/permissions.c
+++ /dev/null
@@ -1,270 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdlib.h>
-#include <string.h>
-#include "permissions.h"
-
-int
-initPermissionRequestList(PermissionRequestList *list)
-{
- if (list != NULL) {
- list->requests = NULL;
- list->numRequests = 0;
- list->requestsAllocated = 0;
- return 0;
- }
- return -1;
-}
-
-int
-addPermissionRequestToList(PermissionRequestList *list,
- const char *path, bool recursive, unsigned int permissions)
-{
- if (list == NULL || list->numRequests < 0 ||
- list->requestsAllocated < list->numRequests || path == NULL)
- {
- return -1;
- }
-
- if (list->numRequests == list->requestsAllocated) {
- int newSize;
- PermissionRequest *newRequests;
-
- newSize = list->requestsAllocated * 2;
- if (newSize < 16) {
- newSize = 16;
- }
- newRequests = (PermissionRequest *)realloc(list->requests,
- newSize * sizeof(PermissionRequest));
- if (newRequests == NULL) {
- return -2;
- }
- list->requests = newRequests;
- list->requestsAllocated = newSize;
- }
-
- PermissionRequest *req;
- req = &list->requests[list->numRequests++];
- req->path = strdup(path);
- if (req->path == NULL) {
- list->numRequests--;
- return -3;
- }
- req->recursive = recursive;
- req->requested = permissions;
- req->allowed = 0;
-
- return 0;
-}
-
-void
-freePermissionRequestListElements(PermissionRequestList *list)
-{
- if (list != NULL && list->numRequests >= 0 &&
- list->requestsAllocated >= list->numRequests)
- {
- int i;
- for (i = 0; i < list->numRequests; i++) {
- free((void *)list->requests[i].path);
- }
- free(list->requests);
- initPermissionRequestList(list);
- }
-}
-
-/*
- * Global permission table
- */
-
-static struct {
- Permission *permissions;
- int numPermissionEntries;
- int allocatedPermissionEntries;
- bool permissionStateInitialized;
-} gPermissionState = {
-#if 1
- NULL, 0, 0, false
-#else
- .permissions = NULL,
- .numPermissionEntries = 0,
- .allocatedPermissionEntries = 0,
- .permissionStateInitialized = false
-#endif
-};
-
-int
-permissionInit()
-{
- if (gPermissionState.permissionStateInitialized) {
- return -1;
- }
- gPermissionState.permissions = NULL;
- gPermissionState.numPermissionEntries = 0;
- gPermissionState.allocatedPermissionEntries = 0;
- gPermissionState.permissionStateInitialized = true;
-//xxx maybe add an "namespace root gets no permissions" fallback by default
- return 0;
-}
-
-void
-permissionCleanup()
-{
- if (gPermissionState.permissionStateInitialized) {
- gPermissionState.permissionStateInitialized = false;
- if (gPermissionState.permissions != NULL) {
- int i;
- for (i = 0; i < gPermissionState.numPermissionEntries; i++) {
- free((void *)gPermissionState.permissions[i].path);
- }
- free(gPermissionState.permissions);
- }
- }
-}
-
-int
-getPermissionCount()
-{
- if (gPermissionState.permissionStateInitialized) {
- return gPermissionState.numPermissionEntries;
- }
- return -1;
-}
-
-const Permission *
-getPermissionAt(int index)
-{
- if (!gPermissionState.permissionStateInitialized) {
- return NULL;
- }
- if (index < 0 || index >= gPermissionState.numPermissionEntries) {
- return NULL;
- }
- return &gPermissionState.permissions[index];
-}
-
-int
-getAllowedPermissions(const char *path, bool recursive,
- unsigned int *outAllowed)
-{
- if (!gPermissionState.permissionStateInitialized) {
- return -2;
- }
- if (outAllowed == NULL) {
- return -1;
- }
- *outAllowed = 0;
- if (path == NULL) {
- return -1;
- }
- //TODO: implement this for real.
- recursive = false;
- *outAllowed = PERMSET_ALL;
- return 0;
-}
-
-int
-countPermissionConflicts(PermissionRequestList *requests, bool updateAllowed)
-{
- if (!gPermissionState.permissionStateInitialized) {
- return -2;
- }
- if (requests == NULL || requests->requests == NULL ||
- requests->numRequests < 0 ||
- requests->requestsAllocated < requests->numRequests)
- {
- return -1;
- }
- int conflicts = 0;
- int i;
- for (i = 0; i < requests->numRequests; i++) {
- PermissionRequest *req;
- unsigned int allowed;
- int ret;
-
- req = &requests->requests[i];
- ret = getAllowedPermissions(req->path, req->recursive, &allowed);
- if (ret < 0) {
- return ret;
- }
- if ((req->requested & ~allowed) != 0) {
- conflicts++;
- }
- if (updateAllowed) {
- req->allowed = allowed;
- }
- }
- return conflicts;
-}
-
-int
-registerPermissionSet(int count, Permission *set)
-{
- if (!gPermissionState.permissionStateInitialized) {
- return -2;
- }
- if (count < 0 || (count > 0 && set == NULL)) {
- return -1;
- }
- if (count == 0) {
- return 0;
- }
-
- if (gPermissionState.numPermissionEntries + count >=
- gPermissionState.allocatedPermissionEntries)
- {
- Permission *newList;
- int newSize;
-
- newSize = (gPermissionState.allocatedPermissionEntries + count) * 2;
- if (newSize < 16) {
- newSize = 16;
- }
- newList = (Permission *)realloc(gPermissionState.permissions,
- newSize * sizeof(Permission));
- if (newList == NULL) {
- return -3;
- }
- gPermissionState.permissions = newList;
- gPermissionState.allocatedPermissionEntries = newSize;
- }
-
- Permission *p = &gPermissionState.permissions[
- gPermissionState.numPermissionEntries];
- int i;
- for (i = 0; i < count; i++) {
- *p = set[i];
- //TODO: cache the strlen of the path
- //TODO: normalize; strip off trailing /
- p->path = strdup(p->path);
- if (p->path == NULL) {
- /* If we can't add all of the entries, we don't
- * add any of them.
- */
- Permission *pp = &gPermissionState.permissions[
- gPermissionState.numPermissionEntries];
- while (pp != p) {
- free((void *)pp->path);
- pp++;
- }
- return -4;
- }
- p++;
- }
- gPermissionState.numPermissionEntries += count;
-
- return 0;
-}