int run_script_from_buffer(char* script_data, int script_len, char* filename)
{
/* Parse the script. Note that the script and parse tree are never freed.
*/
const AmCommandList *commands = parseAmendScript(script_data, script_len);
if (commands == NULL) {
printf("Syntax error in update script\n");
return 1;
} else {
printf("Parsed %.*s\n", script_len, filename);
}
/* 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';
}
printf("Failure at line %d:\n%s\n", num, next ? line : "(not found)");
return 1;
}
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;
}
