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author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-04 03:28:14 +0100 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-04 03:28:14 +0100 |
commit | ffb48f64fec674c6dd923eb8b1eb3f743e05a8ba (patch) | |
tree | 4b825dc642cb6eb9a060e54bf8d69288fbee4904 /amend/register.c | |
parent | auto import from //depot/cupcake/@132589 (diff) | |
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Diffstat (limited to 'amend/register.c')
-rw-r--r-- | amend/register.c | 394 |
1 files changed, 0 insertions, 394 deletions
diff --git a/amend/register.c b/amend/register.c deleted file mode 100644 index 167dd32e5..000000000 --- a/amend/register.c +++ /dev/null @@ -1,394 +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 <stdio.h> -#include <string.h> -#undef NDEBUG -#include <assert.h> -#include "commands.h" - -#include "register.h" - -#define UNUSED(p) ((void)(p)) - -#define CHECK_BOOL() \ - do { \ - assert(argv == NULL); \ - if (argv != NULL) return -1; \ - assert(argc == true || argc == false); \ - if (argc != true && argc != false) return -1; \ - } while (false) - -#define CHECK_WORDS() \ - do { \ - assert(argc >= 0); \ - if (argc < 0) return -1; \ - assert(argc == 0 || argv != NULL); \ - if (argc != 0 && argv == NULL) return -1; \ - if (permissions != NULL) { \ - int CW_I_; \ - for (CW_I_ = 0; CW_I_ < argc; CW_I_++) { \ - assert(argv[CW_I_] != NULL); \ - if (argv[CW_I_] == NULL) return -1; \ - } \ - } \ - } while (false) - -#define CHECK_FN() \ - do { \ - CHECK_WORDS(); \ - if (permissions != NULL) { \ - assert(result == NULL); \ - if (result != NULL) return -1; \ - } else { \ - assert(result != NULL); \ - if (result == NULL) return -1; \ - } \ - } while (false) - -#define NO_PERMS(perms) \ - do { \ - PermissionRequestList *NP_PRL_ = (perms); \ - if (NP_PRL_ != NULL) { \ - int NP_RET_ = addPermissionRequestToList(NP_PRL_, \ - "", false, PERM_NONE); \ - if (NP_RET_ < 0) { \ - /* Returns from the calling function. \ - */ \ - return NP_RET_; \ - } \ - } \ - } while (false) - -/* - * Command definitions - */ - -/* assert <boolexpr> - */ -static int -cmd_assert(const char *name, void *cookie, int argc, const char *argv[], - PermissionRequestList *permissions) -{ - UNUSED(name); - UNUSED(cookie); - CHECK_BOOL(); - NO_PERMS(permissions); - - /* If our argument is false, return non-zero (failure) - * If our argument is true, return zero (success) - */ - if (argc) { - return 0; - } else { - return 1; - } -} - -/* format <root> - */ -static int -cmd_format(const char *name, void *cookie, int argc, const char *argv[], - PermissionRequestList *permissions) -{ - UNUSED(name); - UNUSED(cookie); - CHECK_WORDS(); -//xxx - return -1; -} - -/* copy_dir <srcdir> <dstdir> - */ -static int -cmd_copy_dir(const char *name, void *cookie, int argc, const char *argv[], - PermissionRequestList *permissions) -{ - UNUSED(name); - UNUSED(cookie); - CHECK_WORDS(); -//xxx - return -1; -} - -/* mark <resource> dirty|clean - */ -static int -cmd_mark(const char *name, void *cookie, int argc, const char *argv[], - PermissionRequestList *permissions) -{ - UNUSED(name); - UNUSED(cookie); - CHECK_WORDS(); -//xxx when marking, save the top-level hash at the mark point -// so we can retry on failure. Otherwise the hashes won't match, -// or someone could intentionally dirty the FS to force a downgrade -//xxx - return -1; -} - -/* done - */ -static int -cmd_done(const char *name, void *cookie, int argc, const char *argv[], - PermissionRequestList *permissions) -{ - UNUSED(name); - UNUSED(cookie); - CHECK_WORDS(); -//xxx - return -1; -} - -int -registerUpdateCommands() -{ - int ret; - - ret = registerCommand("assert", CMD_ARGS_BOOLEAN, cmd_assert, NULL); - if (ret < 0) return ret; - - ret = registerCommand("copy_dir", CMD_ARGS_WORDS, cmd_copy_dir, NULL); - if (ret < 0) return ret; - - ret = registerCommand("format", CMD_ARGS_WORDS, cmd_format, NULL); - if (ret < 0) return ret; - - ret = registerCommand("mark", CMD_ARGS_WORDS, cmd_mark, NULL); - if (ret < 0) return ret; - - ret = registerCommand("done", CMD_ARGS_WORDS, cmd_done, NULL); - if (ret < 0) return ret; - -//xxx some way to fix permissions -//xxx could have "installperms" commands that build the fs_config list -//xxx along with a "commitperms", and any copy_dir etc. needs to see -// a commitperms before it will work - - return 0; -} - - -/* - * Function definitions - */ - -/* update_forced() - * - * Returns "true" if some system setting has determined that - * the update should happen no matter what. - */ -static int -fn_update_forced(const char *name, void *cookie, int argc, const char *argv[], - char **result, size_t *resultLen, - PermissionRequestList *permissions) -{ - UNUSED(name); - UNUSED(cookie); - CHECK_FN(); - NO_PERMS(permissions); - - if (argc != 0) { - fprintf(stderr, "%s: wrong number of arguments (%d)\n", - name, argc); - return 1; - } - - //xxx check some global or property - bool force = true; - if (force) { - *result = strdup("true"); - } else { - *result = strdup(""); - } - if (resultLen != NULL) { - *resultLen = strlen(*result); - } - - return 0; -} - -/* get_mark(<resource>) - * - * Returns the current mark associated with the provided resource. - */ -static int -fn_get_mark(const char *name, void *cookie, int argc, const char *argv[], - char **result, size_t *resultLen, - PermissionRequestList *permissions) -{ - UNUSED(name); - UNUSED(cookie); - CHECK_FN(); - NO_PERMS(permissions); - - if (argc != 1) { - fprintf(stderr, "%s: wrong number of arguments (%d)\n", - name, argc); - return 1; - } - - //xxx look up the value - *result = strdup(""); - if (resultLen != NULL) { - *resultLen = strlen(*result); - } - - return 0; -} - -/* hash_dir(<path-to-directory>) - */ -static int -fn_hash_dir(const char *name, void *cookie, int argc, const char *argv[], - char **result, size_t *resultLen, - PermissionRequestList *permissions) -{ - int ret = -1; - - UNUSED(name); - UNUSED(cookie); - CHECK_FN(); - - const char *dir; - if (argc != 1) { - fprintf(stderr, "%s: wrong number of arguments (%d)\n", - name, argc); - return 1; - } else { - dir = argv[0]; - } - - if (permissions != NULL) { - if (dir == NULL) { - /* The argument is the result of another function. - * Assume the worst case, where the function returns - * the root. - */ - dir = "/"; - } - ret = addPermissionRequestToList(permissions, dir, true, PERM_READ); - } else { -//xxx build and return the string - *result = strdup("hashvalue"); - if (resultLen != NULL) { - *resultLen = strlen(*result); - } - ret = 0; - } - - return ret; -} - -/* matches(<str>, <str1> [, <strN>...]) - * If <str> matches (strcmp) any of <str1>...<strN>, returns <str>, - * otherwise returns "". - * - * E.g., assert matches(hash_dir("/path"), "hash1", "hash2") - */ -static int -fn_matches(const char *name, void *cookie, int argc, const char *argv[], - char **result, size_t *resultLen, - PermissionRequestList *permissions) -{ - UNUSED(name); - UNUSED(cookie); - CHECK_FN(); - NO_PERMS(permissions); - - if (argc < 2) { - fprintf(stderr, "%s: not enough arguments (%d < 2)\n", - name, argc); - return 1; - } - - int i; - for (i = 1; i < argc; i++) { - if (strcmp(argv[0], argv[i]) == 0) { - *result = strdup(argv[0]); - if (resultLen != NULL) { - *resultLen = strlen(*result); - } - return 0; - } - } - - *result = strdup(""); - if (resultLen != NULL) { - *resultLen = 1; - } - return 0; -} - -/* concat(<str>, <str1> [, <strN>...]) - * Returns the concatenation of all strings. - */ -static int -fn_concat(const char *name, void *cookie, int argc, const char *argv[], - char **result, size_t *resultLen, - PermissionRequestList *permissions) -{ - UNUSED(name); - UNUSED(cookie); - CHECK_FN(); - NO_PERMS(permissions); - - size_t totalLen = 0; - int i; - for (i = 0; i < argc; i++) { - totalLen += strlen(argv[i]); - } - - char *s = (char *)malloc(totalLen + 1); - if (s == NULL) { - return -1; - } - s[totalLen] = '\0'; - for (i = 0; i < argc; i++) { - //TODO: keep track of the end to avoid walking the string each time - strcat(s, argv[i]); - } - *result = s; - if (resultLen != NULL) { - *resultLen = strlen(s); - } - - return 0; -} - -int -registerUpdateFunctions() -{ - int ret; - - ret = registerFunction("update_forced", fn_update_forced, NULL); - if (ret < 0) return ret; - - ret = registerFunction("get_mark", fn_get_mark, NULL); - if (ret < 0) return ret; - - ret = registerFunction("hash_dir", fn_hash_dir, NULL); - if (ret < 0) return ret; - - ret = registerFunction("matches", fn_matches, NULL); - if (ret < 0) return ret; - - ret = registerFunction("concat", fn_concat, NULL); - if (ret < 0) return ret; - - return 0; -} |