remove code for original block OTA mechanism
Superseded by newer code.
Bug: 16984795
Change-Id: I70c1d29dc03287b06ea909d17f729ec51ccb0344
diff --git a/updater/Android.mk b/updater/Android.mk
index b183c92..a3a900a 100644
--- a/updater/Android.mk
+++ b/updater/Android.mk
@@ -36,8 +36,6 @@
LOCAL_STATIC_LIBRARIES += libselinux
LOCAL_C_INCLUDES += $(LOCAL_PATH)/..
-LOCAL_STATIC_LIBRARIES += libsyspatch libxz libxdelta3
-
# Each library in TARGET_RECOVERY_UPDATER_LIBS should have a function
# named "Register_<libname>()". Here we emit a little C function that
# gets #included by updater.c. It calls all those registration
diff --git a/updater/install.c b/updater/install.c
index cdcdb8f..dad0d08 100644
--- a/updater/install.c
+++ b/updater/install.c
@@ -45,7 +45,6 @@
#include "mtdutils/mounts.h"
#include "mtdutils/mtdutils.h"
#include "updater.h"
-#include "syspatch.h"
#include "install.h"
#ifdef USE_EXT4
@@ -464,68 +463,6 @@
}
-DontCareMap* ReadDontCareMapFromZip(ZipArchive* za, const char* path) {
- const char* name = "ReadDontCareMapFromZip";
-
- const ZipEntry* entry = mzFindZipEntry(za, path);
- if (entry == NULL) {
- printf("%s: no %s in package\n", name, path);
- return NULL;
- }
-
- size_t map_size = mzGetZipEntryUncompLen(entry);
- char* map_data = malloc(map_size);
- if (map_data == NULL) {
- printf("%s: failed to allocate %zu bytes for %s\n",
- name, map_size, path);
- return NULL;
- }
-
- if (!mzExtractZipEntryToBuffer(za, entry, (unsigned char*) map_data)) {
- printf("%s: failed to read %s\n", name, path);
- return NULL;
- }
-
- char* p = map_data;
- DontCareMap* map = (DontCareMap*) malloc(sizeof(DontCareMap));
-
- map->block_size = strtoul(p, &p, 0);
- if (map->block_size != 4096) {
- printf("%s: unexpected block size %zu\n", name, map->block_size);
- return NULL;
- }
-
- map->region_count = strtoul(p, &p, 0);
- map->regions = (int*) malloc(map->region_count * sizeof(int));
- map->total_blocks = 0;
-
- int i;
- for (i = 0; i < map->region_count; ++i) {
- map->regions[i] = strtoul(p, &p, 0);
- map->total_blocks += map->regions[i];
- }
-
- return map;
-}
-
-static FILE* mapwrite_cmd_pipe;
-
-static void progress_cb(long done, long total) {
- if (total > 0) {
- double frac = (double)done / total;
- fprintf(mapwrite_cmd_pipe, "set_progress %f\n", frac);
- fflush(mapwrite_cmd_pipe);
- }
-}
-
-
-
-bool MapWriter(const unsigned char* data, int dataLen, void* cookie) {
- return write_with_map(data, dataLen, (MapState*) cookie, progress_cb) == dataLen;
-}
-
-// package_extract_file(package_path, destination_path, map_path)
-// or
// package_extract_file(package_path, destination_path)
// or
// package_extract_file(package_path)
@@ -533,33 +470,22 @@
// function (the char* returned is actually a FileContents*).
Value* PackageExtractFileFn(const char* name, State* state,
int argc, Expr* argv[]) {
- if (argc < 1 || argc > 3) {
- return ErrorAbort(state, "%s() expects 1 or 2 or 3 args, got %d",
+ if (argc < 1 || argc > 2) {
+ return ErrorAbort(state, "%s() expects 1 or 2 args, got %d",
name, argc);
}
bool success = false;
UpdaterInfo* ui = (UpdaterInfo*)(state->cookie);
- mapwrite_cmd_pipe = ui->cmd_pipe;
- if (argc >= 2) {
- // The two-argument version extracts to a file; the three-arg
- // version extracts to a file, skipping over regions in a
- // don't care map.
+ if (argc == 2) {
+ // The two-argument version extracts to a file.
ZipArchive* za = ((UpdaterInfo*)(state->cookie))->package_zip;
char* zip_path;
char* dest_path;
- char* map_path = NULL;
- DontCareMap* map = NULL;
- if (argc == 2) {
- if (ReadArgs(state, argv, 2, &zip_path, &dest_path) < 0) return NULL;
- } else {
- if (ReadArgs(state, argv, 3, &zip_path, &dest_path, &map_path) < 0) return NULL;
- map = ReadDontCareMapFromZip(za, map_path);
- if (map == NULL) goto done2;
- }
+ if (ReadArgs(state, argv, 2, &zip_path, &dest_path) < 0) return NULL;
const ZipEntry* entry = mzFindZipEntry(za, zip_path);
if (entry == NULL) {
@@ -573,26 +499,12 @@
name, dest_path, strerror(errno));
goto done2;
}
- if (map) {
- MapState state;
- state.map = map;
- state.cr = 0;
- state.so_far = 0;
- state.f = f;
- success = mzProcessZipEntryContents(za, entry, MapWriter, &state);
- } else {
- success = mzExtractZipEntryToFile(za, entry, fileno(f));
- }
+ success = mzExtractZipEntryToFile(za, entry, fileno(f));
fclose(f);
done2:
free(zip_path);
free(dest_path);
- free(map_path);
- if (map) {
- free(map->regions);
- free(map);
- }
return StringValue(strdup(success ? "t" : ""));
} else {
// The one-argument version returns the contents of the file
@@ -1192,118 +1104,6 @@
return StringValue(strdup(CacheSizeCheck(bytes) ? "" : "t"));
}
-bool CheckMappedFileSha1(FILE* f, DontCareMap* map, uint8_t* intended_digest) {
- MapState state;
-
- state.f = f;
- state.so_far = 0;
- state.cr = 0;
- state.map = map;
-
- SHA_CTX ctx;
- SHA_init(&ctx);
-
- unsigned char buffer[32173];
- size_t bytes_read;
-
- while ((bytes_read = read_with_map(buffer, sizeof(buffer), &state)) > 0) {
- SHA_update(&ctx, buffer, bytes_read);
- }
- const uint8_t* digest = SHA_final(&ctx);
-
- return memcmp(digest, intended_digest, SHA_DIGEST_SIZE) == 0;
-}
-
-
-// syspatch(file, tgt_mapfile, tgt_sha1, init_mapfile, init_sha1, patch)
-
-Value* SysPatchFn(const char* name, State* state, int argc, Expr* argv[]) {
- if (argc != 6) {
- return ErrorAbort(state, "%s(): expected 6 args, got %d", name, argc);
- }
-
- char* filename;
- char* target_mapfilename;
- char* target_sha1;
- char* init_mapfilename;
- char* init_sha1;
- char* patch_filename;
- uint8_t target_digest[SHA_DIGEST_SIZE];
- uint8_t init_digest[SHA_DIGEST_SIZE];
-
- if (ReadArgs(state, argv, 6, &filename,
- &target_mapfilename, &target_sha1,
- &init_mapfilename, &init_sha1, &patch_filename) < 0) {
- return NULL;
- }
-
- UpdaterInfo* ui = (UpdaterInfo*)(state->cookie);
- mapwrite_cmd_pipe = ui->cmd_pipe;
-
- if (ParseSha1(target_sha1, target_digest) != 0) {
- printf("%s(): failed to parse '%s' as target SHA-1", name, target_sha1);
- memset(target_digest, 0, SHA_DIGEST_SIZE);
- }
- if (ParseSha1(init_sha1, init_digest) != 0) {
- printf("%s(): failed to parse '%s' as init SHA-1", name, init_sha1);
- memset(init_digest, 0, SHA_DIGEST_SIZE);
- }
-
- ZipArchive* za = ((UpdaterInfo*)(state->cookie))->package_zip;
- FILE* src = fopen(filename, "r");
-
- DontCareMap* init_map = ReadDontCareMapFromZip(za, init_mapfilename);
- if (init_map == NULL) return ErrorAbort(state, "%s(): failed to read init map\n", name);
- DontCareMap* target_map = ReadDontCareMapFromZip(za, target_mapfilename);
- if (target_map == NULL) return ErrorAbort(state, "%s(): failed to read target map\n", name);
-
- if (CheckMappedFileSha1(src, init_map, init_digest)) {
- // If the partition contents match the init_digest, then we need to apply the patch.
-
- rewind(src);
-
- const ZipEntry* entry = mzFindZipEntry(za, patch_filename);
- if (entry == NULL) {
- return ErrorAbort(state, "%s(): no %s in package\n", name, patch_filename);
- }
-
- unsigned char* patch_data;
- size_t patch_len;
- if (!mzGetStoredEntry(za, entry, &patch_data, &patch_len)) {
- return ErrorAbort(state, "%s(): failed to get %s entry\n", name, patch_filename);
- }
-
- FILE* tgt = fopen(filename, "r+");
-
- int ret = syspatch(src, init_map, patch_data, patch_len, tgt, target_map, progress_cb);
-
- fclose(src);
- fclose(tgt);
-
- if (ret != 0) {
- return ErrorAbort(state, "%s(): patching failed\n", name);
- }
- } else {
- rewind(src);
- if (CheckMappedFileSha1(src, target_map, target_digest)) {
- // If the partition contents match the target already, we
- // don't need to do anything.
- printf("%s: output is already target\n", name);
- } else {
- return ErrorAbort(state, "%s(): %s in unknown state\n", name, filename);
- }
- }
-
- done:
- free(target_sha1);
- free(target_mapfilename);
- free(init_sha1);
- free(init_mapfilename);
- free(patch_filename);
- return StringValue(filename);
-
-}
-
// apply_patch(file, size, init_sha1, tgt_sha1, patch)
Value* ApplyPatchFn(const char* name, State* state, int argc, Expr* argv[]) {
@@ -1738,7 +1538,6 @@
RegisterFunction("apply_patch_space", ApplyPatchSpaceFn);
RegisterFunction("wipe_block_device", WipeBlockDeviceFn);
- RegisterFunction("syspatch", SysPatchFn);
RegisterFunction("read_file", ReadFileFn);
RegisterFunction("sha1_check", Sha1CheckFn);
