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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #include <stdio.h>
     18 #include <errno.h>
     19 #include <stdarg.h>
     20 #include <stdlib.h>
     21 #include <string.h>
     22 
     23 #include "edify/expr.h"
     24 #include "bootloader.h"
     25 
     26 Value* WriteBootloaderFn(const char* name, State* state, int argc, Expr* argv[])
     27 {
     28     int result = -1;
     29     Value* img;
     30     Value* xloader_loc;
     31     Value* sbl_loc;
     32 
     33     if (argc != 3) {
     34         return ErrorAbort(state, "%s() expects 3 args, got %d", name, argc);
     35     }
     36 
     37     if (ReadValueArgs(state, argv, 3, &img, &xloader_loc, &sbl_loc) < 0) {
     38         return NULL;
     39     }
     40 
     41     if(img->type != VAL_BLOB ||
     42        xloader_loc->type != VAL_STRING ||
     43        sbl_loc->type != VAL_STRING) {
     44       FreeValue(img);
     45       FreeValue(xloader_loc);
     46       FreeValue(sbl_loc);
     47       return ErrorAbort(state, "%s(): argument types are incorrect", name);
     48     }
     49 
     50     result = update_bootloader(img->data, img->size,
     51                                xloader_loc->data, sbl_loc->data);
     52     FreeValue(img);
     53     FreeValue(xloader_loc);
     54     FreeValue(sbl_loc);
     55     return StringValue(strdup(result == 0 ? "t" : ""));
     56 }
     57 
     58 void Register_librecovery_updater_tuna() {
     59     fprintf(stderr, "installing samsung updater extensions\n");
     60 
     61     RegisterFunction("samsung.write_bootloader", WriteBootloaderFn);
     62 }
     63