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/*
* Copyright (C) 2009 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 <errno.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include "edify/expr.h"
#include "firmware.h"
#include "mincrypt/sha.h"
#include "minzip/Zip.h"
#include "mtdutils/mounts.h"
#include "updater/updater.h"
Value* UpdateFn(const char* name, State* state, int argc, Expr* argv[]) {
if (argc != 7) {
return ErrorAbort(state, "%s() expects 7 args, got %d", name, argc);
}
char* type = strrchr(name, '_');
if (type == NULL || *(type+1) == '\0') {
return ErrorAbort(state, "%s() couldn't get type from function name",
name);
}
++type;
Value* image;
Value* width_string;
Value* height_string;
Value* bpp_string;
Value* busy;
Value* fail;
Value* expected_sha1_string;
if (ReadValueArgs(state, argv, 7, &image,
&width_string, &height_string, &bpp_string,
&busy, &fail, &expected_sha1_string) < 0) {
return NULL;
}
// close the package
ZipArchive* za = ((UpdaterInfo*)(state->cookie))->package_zip;
mzCloseZipArchive(za);
((UpdaterInfo*)(state->cookie))->package_zip = NULL;
// Try to unmount /cache. If we fail (because we're running in an
// older recovery that still has the package file open), try to
// remount it read-only. If that fails, abort.
sync();
scan_mounted_volumes();
MountedVolume* vol = find_mounted_volume_by_mount_point("/cache");
int result = unmount_mounted_volume(vol);
if (result != 0) {
printf("%s(): failed to unmount cache (%d: %s)\n",
name, result, strerror(errno));
result = remount_read_only(vol);
if (result != 0) {
printf("%s(): failed to remount cache (%d: %s)\n",
name, result, strerror(errno));
return StringValue(strdup(""));
} else {
printf("%s(): remounted cache\n", name);
}
sync();
} else {
printf("%s(): unmounted cache\n", name);
}
int width = 0, height = 0, bpp = 0;
if (width_string->type != VAL_STRING ||
(width = strtol(width_string->data, NULL, 10)) == 0) {
printf("%s(): bad width argument", name);
}
if (height_string->type != VAL_STRING ||
(height = strtol(height_string->data, NULL, 10)) == 0) {
printf("%s(): bad height argument", name);
}
if (bpp_string->type != VAL_STRING ||
(bpp = strtol(bpp_string->data, NULL, 10)) == 0) {
printf("%s(): bad bpp argument", name);
}
if (image->type != VAL_BLOB) {
printf("image argument is not blob (is type %d)\n", image->type);
goto done;
}
uint8_t expected_sha1[SHA_DIGEST_SIZE];
char* data = expected_sha1_string->data;
if (expected_sha1_string->type != VAL_STRING ||
strlen(data) != SHA_DIGEST_SIZE*2) {
printf("%s(): bad expected_sha1 argument", name);
goto done;
}
printf("expected sha1 is: ");
int i;
for (i = 0; i < SHA_DIGEST_SIZE; ++i) {
char temp = data[i*2+2];
data[i*2+2] = '\0';
expected_sha1[i] = strtol(data+i*2, NULL, 16);
data[i*2+2] = temp;
printf("%02x", expected_sha1[i]);
}
printf("\n");
install_firmware_update(
type,
image->data,
image->size,
width, height, bpp,
busy->size > 0 ? busy->data : NULL,
fail->size > 0 ? fail->data : NULL,
"/tmp/recovery.log",
expected_sha1);
printf("%s: install_firmware_update returned!\n", name);
done:
FreeValue(image);
FreeValue(width_string);
FreeValue(height_string);
FreeValue(bpp_string);
FreeValue(busy);
FreeValue(fail);
// install_firmware_update should reboot. If it returns, it failed.
return StringValue(strdup(""));
}
void Register_librecovery_updater_htc() {
fprintf(stderr, "installing HTC updater extensions\n");
RegisterFunction("htc.install_radio", UpdateFn);
RegisterFunction("htc.install_hboot", UpdateFn);
}
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