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Diffstat (limited to 'amend/test_permissions.c')
| -rw-r--r-- | amend/test_permissions.c | 347 |
1 files changed, 347 insertions, 0 deletions
diff --git a/amend/test_permissions.c b/amend/test_permissions.c new file mode 100644 index 0000000..c389456 --- /dev/null +++ b/amend/test_permissions.c @@ -0,0 +1,347 @@ +/* + * 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 <stdio.h> +#include <string.h> +#undef NDEBUG +#include <assert.h> +#include "permissions.h" + +static int +test_permission_list() +{ + PermissionRequestList list; + int ret; + int numRequests; + + /* Bad parameter + */ + ret = initPermissionRequestList(NULL); + assert(ret < 0); + + /* Good parameter + */ + ret = initPermissionRequestList(&list); + assert(ret == 0); + + /* Bad parameters + */ + ret = addPermissionRequestToList(NULL, NULL, false, 0); + assert(ret < 0); + + ret = addPermissionRequestToList(&list, NULL, false, 0); + assert(ret < 0); + + /* Good parameters + */ + numRequests = 0; + + ret = addPermissionRequestToList(&list, "one", false, 1); + assert(ret == 0); + numRequests++; + + ret = addPermissionRequestToList(&list, "two", false, 2); + assert(ret == 0); + numRequests++; + + ret = addPermissionRequestToList(&list, "three", false, 3); + assert(ret == 0); + numRequests++; + + ret = addPermissionRequestToList(&list, "recursive", true, 55); + assert(ret == 0); + numRequests++; + + /* Validate the list + */ + assert(list.requests != NULL); + assert(list.numRequests == numRequests); + assert(list.numRequests <= list.requestsAllocated); + bool sawOne = false; + bool sawTwo = false; + bool sawThree = false; + bool sawRecursive = false; + int i; + for (i = 0; i < list.numRequests; i++) { + PermissionRequest *req = &list.requests[i]; + assert(req->allowed == 0); + + /* Order isn't guaranteed, so we have to switch every time. + */ + if (strcmp(req->path, "one") == 0) { + assert(!sawOne); + assert(req->requested == 1); + assert(!req->recursive); + sawOne = true; + } else if (strcmp(req->path, "two") == 0) { + assert(!sawTwo); + assert(req->requested == 2); + assert(!req->recursive); + sawTwo = true; + } else if (strcmp(req->path, "three") == 0) { + assert(!sawThree); + assert(req->requested == 3); + assert(!req->recursive); + sawThree = true; + } else if (strcmp(req->path, "recursive") == 0) { + assert(!sawRecursive); + assert(req->requested == 55); + assert(req->recursive); + sawRecursive = true; + } else { + assert(false); + } + } + assert(sawOne); + assert(sawTwo); + assert(sawThree); + assert(sawRecursive); + + /* Smoke test the teardown + */ + freePermissionRequestListElements(&list); + + return 0; +} + +static int +test_permission_table() +{ + int ret; + + /* Test the global permissions table. + * Try calling functions without initializing first. + */ + ret = registerPermissionSet(0, NULL); + assert(ret < 0); + + ret = countPermissionConflicts((PermissionRequestList *)16, false); + assert(ret < 0); + + ret = getPermissionCount(); + assert(ret < 0); + + const Permission *p; + p = getPermissionAt(0); + assert(p == NULL); + + /* Initialize. + */ + ret = permissionInit(); + assert(ret == 0); + + /* Make sure we can't initialize twice. + */ + ret = permissionInit(); + assert(ret < 0); + + /* Test the inspection functions. + */ + ret = getPermissionCount(); + assert(ret == 0); + + p = getPermissionAt(-1); + assert(p == NULL); + + p = getPermissionAt(0); + assert(p == NULL); + + p = getPermissionAt(1); + assert(p == NULL); + + /* Test registerPermissionSet(). + * Try some bad parameter values. + */ + ret = registerPermissionSet(-1, NULL); + assert(ret < 0); + + ret = registerPermissionSet(1, NULL); + assert(ret < 0); + + /* Register some permissions. + */ + Permission p1; + p1.path = "one"; + p1.allowed = 1; + ret = registerPermissionSet(1, &p1); + assert(ret == 0); + ret = getPermissionCount(); + assert(ret == 1); + + Permission p2[2]; + p2[0].path = "two"; + p2[0].allowed = 2; + p2[1].path = "three"; + p2[1].allowed = 3; + ret = registerPermissionSet(2, p2); + assert(ret == 0); + ret = getPermissionCount(); + assert(ret == 3); + + ret = registerPermissionSet(0, NULL); + assert(ret == 0); + ret = getPermissionCount(); + assert(ret == 3); + + p1.path = "four"; + p1.allowed = 4; + ret = registerPermissionSet(1, &p1); + assert(ret == 0); + + /* Make sure the table looks correct. + * Order is important; more-recent additions + * should appear at higher indices. + */ + ret = getPermissionCount(); + assert(ret == 4); + + int i; + for (i = 0; i < ret; i++) { + const Permission *p; + p = getPermissionAt(i); + assert(p != NULL); + assert(p->allowed == (unsigned int)(i + 1)); + switch (i) { + case 0: + assert(strcmp(p->path, "one") == 0); + break; + case 1: + assert(strcmp(p->path, "two") == 0); + break; + case 2: + assert(strcmp(p->path, "three") == 0); + break; + case 3: + assert(strcmp(p->path, "four") == 0); + break; + default: + assert(!"internal error"); + break; + } + } + p = getPermissionAt(ret); + assert(p == NULL); + + /* Smoke test the teardown + */ + permissionCleanup(); + + return 0; +} + +static int +test_allowed_permissions() +{ + int ret; + int numPerms; + + /* Make sure these fail before initialization. + */ + ret = countPermissionConflicts((PermissionRequestList *)1, false); + assert(ret < 0); + + ret = getAllowedPermissions((const char *)1, false, (unsigned int *)1); + assert(ret < 0); + + /* Initialize. + */ + ret = permissionInit(); + assert(ret == 0); + + /* Make sure countPermissionConflicts() fails with bad parameters. + */ + ret = countPermissionConflicts(NULL, false); + assert(ret < 0); + + /* Register a set of permissions. + */ + Permission perms[] = { + { "/", PERM_NONE }, + { "/stat", PERM_STAT }, + { "/read", PERMSET_READ }, + { "/write", PERMSET_WRITE }, + { "/.stat", PERM_STAT }, + { "/.stat/.read", PERMSET_READ }, + { "/.stat/.read/.write", PERMSET_WRITE }, + { "/.stat/.write", PERMSET_WRITE }, + }; + numPerms = sizeof(perms) / sizeof(perms[0]); + ret = registerPermissionSet(numPerms, perms); + assert(ret == 0); + + /* Build a permission request list. + */ + PermissionRequestList list; + ret = initPermissionRequestList(&list); + assert(ret == 0); + + ret = addPermissionRequestToList(&list, "/stat", false, PERM_STAT); + assert(ret == 0); + + ret = addPermissionRequestToList(&list, "/read", false, PERM_READ); + assert(ret == 0); + + ret = addPermissionRequestToList(&list, "/write", false, PERM_WRITE); + assert(ret == 0); + + //TODO: cover more cases once the permission stuff has been implemented + + /* All of the requests in the list should be allowed. + */ + ret = countPermissionConflicts(&list, false); + assert(ret == 0); + + /* Add a request that will be denied. + */ + ret = addPermissionRequestToList(&list, "/stat", false, 1<<31 | PERM_STAT); + assert(ret == 0); + + ret = countPermissionConflicts(&list, false); + assert(ret == 1); + + //TODO: more tests + + permissionCleanup(); + + return 0; +} + +int +test_permissions() +{ + int ret; + + ret = test_permission_list(); + if (ret != 0) { + fprintf(stderr, "test_permission_list() failed: %d\n", ret); + return ret; + } + + ret = test_permission_table(); + if (ret != 0) { + fprintf(stderr, "test_permission_table() failed: %d\n", ret); + return ret; + } + + ret = test_allowed_permissions(); + if (ret != 0) { + fprintf(stderr, "test_permission_table() failed: %d\n", ret); + return ret; + } + + return 0; +} |