diff options
Diffstat (limited to 'tools/obbtool/Main.cpp')
-rw-r--r-- | tools/obbtool/Main.cpp | 301 |
1 files changed, 0 insertions, 301 deletions
diff --git a/tools/obbtool/Main.cpp b/tools/obbtool/Main.cpp deleted file mode 100644 index b2152e8f8468..000000000000 --- a/tools/obbtool/Main.cpp +++ /dev/null @@ -1,301 +0,0 @@ -/* - * Copyright (C) 2010 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 <androidfw/ObbFile.h> -#include <utils/String8.h> - -#include <getopt.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -using namespace android; - -static const char* gProgName = "obbtool"; -static const char* gProgVersion = "1.0"; - -static int wantUsage = 0; -static int wantVersion = 0; - -#define SALT_LEN 8 - -#define ADD_OPTS "n:v:os:" -static const struct option longopts[] = { - {"help", no_argument, &wantUsage, 1}, - {"version", no_argument, &wantVersion, 1}, - - /* Args for "add" */ - {"name", required_argument, NULL, 'n'}, - {"version", required_argument, NULL, 'v'}, - {"overlay", optional_argument, NULL, 'o'}, - {"salt", required_argument, NULL, 's'}, - - {NULL, 0, NULL, '\0'} -}; - -class PackageInfo { -public: - PackageInfo() - : packageName(NULL) - , packageVersion(-1) - , overlay(false) - , salted(false) - { - memset(&salt, 0, sizeof(salt)); - } - - char* packageName; - int packageVersion; - bool overlay; - bool salted; - unsigned char salt[SALT_LEN]; -}; - -/* - * Print usage info. - */ -void usage(void) -{ - fprintf(stderr, "Opaque Binary Blob (OBB) Tool\n\n"); - fprintf(stderr, "Usage:\n"); - fprintf(stderr, - " %s a[dd] [ OPTIONS ] FILENAME\n" - " Adds an OBB signature to the file.\n\n", gProgName); - fprintf(stderr, - " Options:\n" - " -n <package name> sets the OBB package name (required)\n" - " -v <OBB version> sets the OBB version (required)\n" - " -o sets the OBB overlay flag\n" - " -s <8 byte hex salt> sets the crypto key salt (if encrypted)\n" - "\n"); - fprintf(stderr, - " %s r[emove] FILENAME\n" - " Removes the OBB signature from the file.\n\n", gProgName); - fprintf(stderr, - " %s i[nfo] FILENAME\n" - " Prints the OBB signature information of a file.\n\n", gProgName); -} - -void doAdd(const char* filename, struct PackageInfo* info) { - ObbFile *obb = new ObbFile(); - if (obb->readFrom(filename)) { - fprintf(stderr, "ERROR: %s: OBB signature already present\n", filename); - return; - } - - obb->setPackageName(String8(info->packageName)); - obb->setVersion(info->packageVersion); - obb->setOverlay(info->overlay); - if (info->salted) { - obb->setSalt(info->salt, SALT_LEN); - } - - if (!obb->writeTo(filename)) { - fprintf(stderr, "ERROR: %s: couldn't write OBB signature: %s\n", - filename, strerror(errno)); - return; - } - - fprintf(stderr, "OBB signature successfully written\n"); -} - -void doRemove(const char* filename) { - ObbFile *obb = new ObbFile(); - if (!obb->readFrom(filename)) { - fprintf(stderr, "ERROR: %s: no OBB signature present\n", filename); - return; - } - - if (!obb->removeFrom(filename)) { - fprintf(stderr, "ERROR: %s: couldn't remove OBB signature\n", filename); - return; - } - - fprintf(stderr, "OBB signature successfully removed\n"); -} - -void doInfo(const char* filename) { - ObbFile *obb = new ObbFile(); - if (!obb->readFrom(filename)) { - fprintf(stderr, "ERROR: %s: couldn't read OBB signature\n", filename); - return; - } - - printf("OBB info for '%s':\n", filename); - printf("Package name: %s\n", obb->getPackageName().string()); - printf(" Version: %d\n", obb->getVersion()); - printf(" Flags: 0x%08x\n", obb->getFlags()); - printf(" Overlay: %s\n", obb->isOverlay() ? "true" : "false"); - printf(" Salt: "); - - size_t saltLen; - const unsigned char* salt = obb->getSalt(&saltLen); - if (salt != NULL) { - for (int i = 0; i < SALT_LEN; i++) { - printf("%02x", salt[i]); - } - printf("\n"); - } else { - printf("<empty>\n"); - } -} - -bool fromHex(char h, unsigned char *b) { - if (h >= '0' && h <= '9') { - *b = h - '0'; - return true; - } else if (h >= 'a' && h <= 'f') { - *b = h - 'a' + 10; - return true; - } else if (h >= 'A' && h <= 'F') { - *b = h - 'A' + 10; - return true; - } - return false; -} - -bool hexToByte(char h1, char h2, unsigned char* b) { - unsigned char first, second; - if (!fromHex(h1, &first)) return false; - if (!fromHex(h2, &second)) return false; - *b = (first << 4) | second; - return true; -} - -/* - * Parse args. - */ -int main(int argc, char* const argv[]) -{ - int opt; - int option_index = 0; - struct PackageInfo package_info; - - int result = 1; // pessimistically assume an error. - - if (argc < 2) { - wantUsage = 1; - goto bail; - } - - while ((opt = getopt_long(argc, argv, ADD_OPTS, longopts, &option_index)) != -1) { - switch (opt) { - case 0: - if (longopts[option_index].flag) - break; - fprintf(stderr, "'%s' requires an argument\n", longopts[option_index].name); - wantUsage = 1; - goto bail; - case 'n': - package_info.packageName = optarg; - break; - case 'v': { - char* end; - package_info.packageVersion = strtol(optarg, &end, 10); - if (*optarg == '\0' || *end != '\0') { - fprintf(stderr, "ERROR: invalid version; should be integer!\n\n"); - wantUsage = 1; - goto bail; - } - break; - } - case 'o': - package_info.overlay = true; - break; - case 's': - if (strlen(optarg) != SALT_LEN * 2) { - fprintf(stderr, "ERROR: salt must be 8 bytes in hex (e.g., ABCD65031337D00D)\n\n"); - wantUsage = 1; - goto bail; - } - - package_info.salted = true; - - unsigned char b; - for (int i = 0, j = 0; i < SALT_LEN; i++, j+=2) { - if (!hexToByte(optarg[j], optarg[j+1], &b)) { - fprintf(stderr, "ERROR: salt must be in hex (e.g., ABCD65031337D00D)\n"); - wantUsage = 1; - goto bail; - } - package_info.salt[i] = b; - } - break; - case '?': - wantUsage = 1; - goto bail; - } - } - - if (wantVersion) { - fprintf(stderr, "%s %s\n", gProgName, gProgVersion); - } - - if (wantUsage) { - goto bail; - } - -#define CHECK_OP(name) \ - if (strncmp(op, name, opsize)) { \ - fprintf(stderr, "ERROR: unknown function '%s'!\n\n", op); \ - wantUsage = 1; \ - goto bail; \ - } - - if (optind < argc) { - const char* op = argv[optind++]; - const int opsize = strlen(op); - - if (optind >= argc) { - fprintf(stderr, "ERROR: filename required!\n\n"); - wantUsage = 1; - goto bail; - } - - const char* filename = argv[optind++]; - - switch (op[0]) { - case 'a': - CHECK_OP("add"); - if (package_info.packageName == NULL) { - fprintf(stderr, "ERROR: arguments required 'packageName' and 'version'\n"); - goto bail; - } - doAdd(filename, &package_info); - break; - case 'r': - CHECK_OP("remove"); - doRemove(filename); - break; - case 'i': - CHECK_OP("info"); - doInfo(filename); - break; - default: - fprintf(stderr, "ERROR: unknown command '%s'!\n\n", op); - wantUsage = 1; - goto bail; - } - } - -bail: - if (wantUsage) { - usage(); - result = 2; - } - - return result; -} |