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-rw-r--r--amend/register.c394
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;
-}
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