diff options
Diffstat (limited to 'install.c')
| -rw-r--r-- | install.c | 105 |
1 files changed, 2 insertions, 103 deletions
@@ -22,7 +22,6 @@ #include <sys/wait.h> #include <unistd.h> -#include "amend/amend.h" #include "common.h" #include "install.h" #include "mincrypt/rsa.h" @@ -35,85 +34,9 @@ #include "verifier.h" #include "firmware.h" -#define ASSUMED_UPDATE_SCRIPT_NAME "META-INF/com/google/android/update-script" #define ASSUMED_UPDATE_BINARY_NAME "META-INF/com/google/android/update-binary" #define PUBLIC_KEYS_FILE "/res/keys" -static const ZipEntry * -find_update_script(ZipArchive *zip) -{ -//TODO: Get the location of this script from the MANIFEST.MF file - return mzFindZipEntry(zip, ASSUMED_UPDATE_SCRIPT_NAME); -} - -static int read_data(ZipArchive *zip, const ZipEntry *entry, - char** ppData, int* pLength) { - int len = (int)mzGetZipEntryUncompLen(entry); - if (len <= 0) { - LOGE("Bad data length %d\n", len); - return -1; - } - char *data = malloc(len + 1); - if (data == NULL) { - LOGE("Can't allocate %d bytes for data\n", len + 1); - return -2; - } - bool ok = mzReadZipEntry(zip, entry, data, len); - if (!ok) { - LOGE("Error while reading data\n"); - free(data); - return -3; - } - data[len] = '\0'; // not necessary, but just to be safe - *ppData = data; - if (pLength) { - *pLength = len; - } - return 0; -} - -static int -handle_update_script(ZipArchive *zip, const ZipEntry *update_script_entry) -{ - /* Read the entire script into a buffer. - */ - int script_len; - char* script_data; - if (read_data(zip, update_script_entry, &script_data, &script_len) < 0) { - LOGE("Can't read update script\n"); - return INSTALL_ERROR; - } - - /* Parse the script. Note that the script and parse tree are never freed. - */ - const AmCommandList *commands = parseAmendScript(script_data, script_len); - if (commands == NULL) { - LOGE("Syntax error in update script\n"); - return INSTALL_ERROR; - } else { - UnterminatedString name = mzGetZipEntryFileName(update_script_entry); - LOGI("Parsed %.*s\n", name.len, name.str); - } - - /* Execute the script. - */ - int ret = execCommandList((ExecContext *)1, commands); - if (ret != 0) { - int num = ret; - char *line = NULL, *next = script_data; - while (next != NULL && ret-- > 0) { - line = next; - next = memchr(line, '\n', script_data + script_len - line); - if (next != NULL) *next++ = '\0'; - } - LOGE("Failure at line %d:\n%s\n", num, next ? line : "(not found)"); - return INSTALL_ERROR; - } - - LOGI("Installation complete.\n"); - return INSTALL_SUCCESS; -} - // The update binary ask us to install a firmware file on reboot. Set // that up. Takes ownership of type and filename. static int @@ -252,11 +175,9 @@ try_update_binary(const char *path, ZipArchive *zip) { char* firmware_type = NULL; char* firmware_filename = NULL; - char buffer[81]; + char buffer[1024]; FILE* from_child = fdopen(pipefd[0], "r"); while (fgets(buffer, sizeof(buffer), from_child) != NULL) { - LOGI("read: %s", buffer); - char* command = strtok(buffer, " \n"); if (command == NULL) { continue; @@ -331,30 +252,8 @@ handle_update_package(const char *path, ZipArchive *zip, ui_print("Installing update...\n"); int result = try_update_binary(path, zip); - if (result == INSTALL_SUCCESS || result == INSTALL_ERROR) { - register_package_root(NULL, NULL); // Unregister package root - return result; - } - - // if INSTALL_CORRUPT is returned, this package doesn't have an - // update binary. Fall back to the older mechanism of looking for - // an update script. - - const ZipEntry *script_entry; - script_entry = find_update_script(zip); - if (script_entry == NULL) { - LOGE("Can't find update script\n"); - return INSTALL_CORRUPT; - } - - if (register_package_root(zip, path) < 0) { - LOGE("Can't register package root\n"); - return INSTALL_ERROR; - } - - int ret = handle_update_script(zip, script_entry); register_package_root(NULL, NULL); // Unregister package root - return ret; + return result; } // Reads a file containing one or more public keys as produced by |