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authorTao Bao <tbao@google.com>2015-06-24 08:23:33 +0200
committerTao Bao <tbao@google.com>2015-07-14 08:25:46 +0200
commit485b63702c312bf47a1fd4821fde7dcade41e09d (patch)
tree57d13940b2ca1bef9834f236323079dd1fbad7d5 /updater
parentam a91335ae: am 90c75b0b: Change init sequence to support file level encryption (diff)
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Diffstat (limited to '')
-rw-r--r--updater/Android.mk18
-rw-r--r--updater/blockimg.cpp (renamed from updater/blockimg.c)31
-rw-r--r--updater/install.cpp (renamed from updater/install.c)174
-rw-r--r--updater/updater.cpp (renamed from updater/updater.c)2
4 files changed, 113 insertions, 112 deletions
diff --git a/updater/Android.mk b/updater/Android.mk
index a0ea06fa5..0d4179b23 100644
--- a/updater/Android.mk
+++ b/updater/Android.mk
@@ -1,11 +1,23 @@
# Copyright 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.
LOCAL_PATH := $(call my-dir)
updater_src_files := \
- install.c \
- blockimg.c \
- updater.c
+ install.cpp \
+ blockimg.cpp \
+ updater.cpp
#
# Build a statically-linked binary to include in OTA packages
diff --git a/updater/blockimg.c b/updater/blockimg.cpp
index a6a389507..258d97552 100644
--- a/updater/blockimg.c
+++ b/updater/blockimg.cpp
@@ -19,6 +19,7 @@
#include <dirent.h>
#include <fcntl.h>
#include <inttypes.h>
+#include <linux/fs.h>
#include <pthread.h>
#include <stdarg.h>
#include <stdio.h>
@@ -44,10 +45,6 @@
// erase to mean fill the region with zeroes.
#define DEBUG_ERASE 0
-#ifndef BLKDISCARD
-#define BLKDISCARD _IO(0x12,119)
-#endif
-
#define STASH_DIRECTORY_BASE "/cache/recovery"
#define STASH_DIRECTORY_MODE 0700
#define STASH_FILE_MODE 0600
@@ -66,7 +63,7 @@ typedef struct {
static RangeSet* parse_range(char* text) {
char* save;
char* token;
- int i, num;
+ int num;
long int val;
RangeSet* out = NULL;
size_t bufsize;
@@ -92,7 +89,7 @@ static RangeSet* parse_range(char* text) {
num = (int) val;
bufsize = sizeof(RangeSet) + num * sizeof(int);
- out = malloc(bufsize);
+ out = reinterpret_cast<RangeSet*>(malloc(bufsize));
if (!out) {
fprintf(stderr, "failed to allocate range of %zu bytes\n", bufsize);
@@ -102,7 +99,7 @@ static RangeSet* parse_range(char* text) {
out->count = num / 2;
out->size = 0;
- for (i = 0; i < num; ++i) {
+ for (int i = 0; i < num; ++i) {
token = strtok_r(NULL, ",", &save);
if (!token) {
@@ -477,7 +474,7 @@ static char* GetStashFileName(const char* base, const char* id, const char* post
}
len = strlen(STASH_DIRECTORY_BASE) + 1 + strlen(base) + 1 + strlen(id) + strlen(postfix) + 1;
- fn = malloc(len);
+ fn = reinterpret_cast<char*>(malloc(len));
if (fn == NULL) {
fprintf(stderr, "failed to malloc %d bytes for fn\n", len);
@@ -528,7 +525,7 @@ static void EnumerateStash(const char* dirname, StashCallback callback, void* da
}
len = strlen(dirname) + 1 + strlen(item->d_name) + 1;
- fn = malloc(len);
+ fn = reinterpret_cast<char*>(malloc(len));
if (fn == NULL) {
fprintf(stderr, "failed to malloc %d bytes for fn\n", len);
@@ -648,7 +645,8 @@ static int LoadStash(const char* base, const char* id, int verify, int* blocks,
fprintf(stderr, " loading %s\n", fn);
if ((st.st_size % BLOCKSIZE) != 0) {
- fprintf(stderr, "%s size %zd not multiple of block size %d", fn, st.st_size, BLOCKSIZE);
+ fprintf(stderr, "%s size %" PRId64 " not multiple of block size %d",
+ fn, static_cast<int64_t>(st.st_size), BLOCKSIZE);
goto lsout;
}
@@ -856,7 +854,6 @@ csout:
static int SaveStash(const char* base, char** wordsave, uint8_t** buffer, size_t* buffer_alloc,
int fd, int usehash, int* isunresumable) {
char *id = NULL;
- int res = -1;
int blocks = 0;
if (!wordsave || !buffer || !buffer_alloc || !isunresumable) {
@@ -952,7 +949,6 @@ static int LoadSrcTgtVersion2(char** wordsave, RangeSet** tgt, int* src_blocks,
char* word;
char* colonsave;
char* colon;
- int id;
int res;
RangeSet* locs;
size_t stashalloc = 0;
@@ -1068,7 +1064,6 @@ static int LoadSrcTgtVersion3(CommandParameters* params, RangeSet** tgt, int* sr
char* srchash = NULL;
char* tgthash = NULL;
int stash_exists = 0;
- int overlap_blocks = 0;
int rc = -1;
uint8_t* tgtbuffer = NULL;
@@ -1491,7 +1486,7 @@ static int PerformCommandErase(CommandParameters* params) {
range = strtok_r(NULL, " ", &params->cpos);
if (range == NULL) {
- fprintf(stderr, "missing target blocks for zero\n");
+ fprintf(stderr, "missing target blocks for erase\n");
goto pceout;
}
@@ -1666,7 +1661,7 @@ static Value* PerformBlockImageUpdate(const char* name, State* state, int argc,
// The data in transfer_list_value is not necessarily null-terminated, so we need
// to copy it to a new buffer and add the null that strtok_r will need.
- transfer_list = malloc(transfer_list_value->size + 1);
+ transfer_list = reinterpret_cast<char*>(malloc(transfer_list_value->size + 1));
if (transfer_list == NULL) {
fprintf(stderr, "failed to allocate %zd bytes for transfer list\n",
@@ -1944,13 +1939,15 @@ Value* RangeSha1Fn(const char* name, State* state, int argc, Expr* argv[]) {
goto done;
}
- int fd = open(blockdev_filename->data, O_RDWR);
+ int fd;
+ fd = open(blockdev_filename->data, O_RDWR);
if (fd < 0) {
ErrorAbort(state, "open \"%s\" failed: %s", blockdev_filename->data, strerror(errno));
goto done;
}
- RangeSet* rs = parse_range(ranges->data);
+ RangeSet* rs;
+ rs = parse_range(ranges->data);
uint8_t buffer[BLOCKSIZE];
SHA_CTX ctx;
diff --git a/updater/install.c b/updater/install.cpp
index 4a0e064c3..422a1bb1e 100644
--- a/updater/install.c
+++ b/updater/install.cpp
@@ -80,9 +80,9 @@ void uiPrintf(State* state, const char* format, ...) {
// Take a sha-1 digest and return it as a newly-allocated hex string.
char* PrintSha1(const uint8_t* digest) {
- char* buffer = malloc(SHA_DIGEST_SIZE*2 + 1);
- int i;
+ char* buffer = reinterpret_cast<char*>(malloc(SHA_DIGEST_SIZE*2 + 1));
const char* alphabet = "0123456789abcdef";
+ size_t i;
for (i = 0; i < SHA_DIGEST_SIZE; ++i) {
buffer[i*2] = alphabet[(digest[i] >> 4) & 0xf];
buffer[i*2+1] = alphabet[digest[i] & 0xf];
@@ -138,18 +138,20 @@ Value* MountFn(const char* name, State* state, int argc, Expr* argv[]) {
goto done;
}
- char *secontext = NULL;
+ {
+ char *secontext = NULL;
- if (sehandle) {
- selabel_lookup(sehandle, &secontext, mount_point, 0755);
- setfscreatecon(secontext);
- }
+ if (sehandle) {
+ selabel_lookup(sehandle, &secontext, mount_point, 0755);
+ setfscreatecon(secontext);
+ }
- mkdir(mount_point, 0755);
+ mkdir(mount_point, 0755);
- if (secontext) {
- freecon(secontext);
- setfscreatecon(NULL);
+ if (secontext) {
+ freecon(secontext);
+ setfscreatecon(NULL);
+ }
}
if (strcmp(partition_type, "MTD") == 0) {
@@ -207,11 +209,13 @@ Value* IsMountedFn(const char* name, State* state, int argc, Expr* argv[]) {
}
scan_mounted_volumes();
- const MountedVolume* vol = find_mounted_volume_by_mount_point(mount_point);
- if (vol == NULL) {
- result = strdup("");
- } else {
- result = mount_point;
+ {
+ const MountedVolume* vol = find_mounted_volume_by_mount_point(mount_point);
+ if (vol == NULL) {
+ result = strdup("");
+ } else {
+ result = mount_point;
+ }
}
done:
@@ -235,17 +239,19 @@ Value* UnmountFn(const char* name, State* state, int argc, Expr* argv[]) {
}
scan_mounted_volumes();
- const MountedVolume* vol = find_mounted_volume_by_mount_point(mount_point);
- if (vol == NULL) {
- uiPrintf(state, "unmount of %s failed; no such volume\n", mount_point);
- result = strdup("");
- } else {
- int ret = unmount_mounted_volume(vol);
- if (ret != 0) {
- uiPrintf(state, "unmount of %s failed (%d): %s\n",
- mount_point, ret, strerror(errno));
+ {
+ const MountedVolume* vol = find_mounted_volume_by_mount_point(mount_point);
+ if (vol == NULL) {
+ uiPrintf(state, "unmount of %s failed; no such volume\n", mount_point);
+ result = strdup("");
+ } else {
+ int ret = unmount_mounted_volume(vol);
+ if (ret != 0) {
+ uiPrintf(state, "unmount of %s failed (%d): %s\n",
+ mount_point, ret, strerror(errno));
+ }
+ result = mount_point;
}
- result = mount_point;
}
done:
@@ -418,9 +424,8 @@ done:
}
Value* DeleteFn(const char* name, State* state, int argc, Expr* argv[]) {
- char** paths = malloc(argc * sizeof(char*));
- int i;
- for (i = 0; i < argc; ++i) {
+ char** paths = reinterpret_cast<char**>(malloc(argc * sizeof(char*)));
+ for (int i = 0; i < argc; ++i) {
paths[i] = Evaluate(state, argv[i]);
if (paths[i] == NULL) {
int j;
@@ -435,7 +440,7 @@ Value* DeleteFn(const char* name, State* state, int argc, Expr* argv[]) {
bool recursive = (strcmp(name, "delete_recursive") == 0);
int success = 0;
- for (i = 0; i < argc; ++i) {
+ for (int i = 0; i < argc; ++i) {
if ((recursive ? dirUnlinkHierarchy(paths[i]) : unlink(paths[i])) == 0)
++success;
free(paths[i]);
@@ -522,8 +527,6 @@ Value* PackageExtractFileFn(const char* name, State* state,
}
bool success = false;
- UpdaterInfo* ui = (UpdaterInfo*)(state->cookie);
-
if (argc == 2) {
// The two-argument version extracts to a file.
@@ -539,14 +542,16 @@ Value* PackageExtractFileFn(const char* name, State* state,
goto done2;
}
- FILE* f = fopen(dest_path, "wb");
- if (f == NULL) {
- printf("%s: can't open %s for write: %s\n",
- name, dest_path, strerror(errno));
- goto done2;
+ {
+ FILE* f = fopen(dest_path, "wb");
+ if (f == NULL) {
+ printf("%s: can't open %s for write: %s\n",
+ name, dest_path, strerror(errno));
+ goto done2;
+ }
+ success = mzExtractZipEntryToFile(za, entry, fileno(f));
+ fclose(f);
}
- success = mzExtractZipEntryToFile(za, entry, fileno(f));
- fclose(f);
done2:
free(zip_path);
@@ -557,7 +562,7 @@ Value* PackageExtractFileFn(const char* name, State* state,
// as the result.
char* zip_path;
- Value* v = malloc(sizeof(Value));
+ Value* v = reinterpret_cast<Value*>(malloc(sizeof(Value)));
v->type = VAL_BLOB;
v->size = -1;
v->data = NULL;
@@ -572,7 +577,7 @@ Value* PackageExtractFileFn(const char* name, State* state,
}
v->size = mzGetZipEntryUncompLen(entry);
- v->data = malloc(v->size);
+ v->data = reinterpret_cast<char*>(malloc(v->size));
if (v->data == NULL) {
printf("%s: failed to allocate %ld bytes for %s\n",
name, (long)v->size, zip_path);
@@ -871,17 +876,14 @@ static int do_SetMetadataRecursive(const char* filename, const struct stat *stat
}
static Value* SetMetadataFn(const char* name, State* state, int argc, Expr* argv[]) {
- int i;
int bad = 0;
- static int nwarnings = 0;
struct stat sb;
Value* result = NULL;
bool recursive = (strcmp(name, "set_metadata_recursive") == 0);
if ((argc % 2) != 1) {
- return ErrorAbort(state, "%s() expects an odd number of arguments, got %d",
- name, argc);
+ return ErrorAbort(state, "%s() expects an odd number of arguments, got %d", name, argc);
}
char** args = ReadVarArgs(state, argc, argv);
@@ -892,20 +894,22 @@ static Value* SetMetadataFn(const char* name, State* state, int argc, Expr* argv
goto done;
}
- struct perm_parsed_args parsed = ParsePermArgs(state, argc, args);
+ {
+ struct perm_parsed_args parsed = ParsePermArgs(state, argc, args);
- if (recursive) {
- recursive_parsed_args = parsed;
- recursive_state = state;
- bad += nftw(args[0], do_SetMetadataRecursive, 30, FTW_CHDIR | FTW_DEPTH | FTW_PHYS);
- memset(&recursive_parsed_args, 0, sizeof(recursive_parsed_args));
- recursive_state = NULL;
- } else {
- bad += ApplyParsedPerms(state, args[0], &sb, parsed);
+ if (recursive) {
+ recursive_parsed_args = parsed;
+ recursive_state = state;
+ bad += nftw(args[0], do_SetMetadataRecursive, 30, FTW_CHDIR | FTW_DEPTH | FTW_PHYS);
+ memset(&recursive_parsed_args, 0, sizeof(recursive_parsed_args));
+ recursive_state = NULL;
+ } else {
+ bad += ApplyParsedPerms(state, args[0], &sb, parsed);
+ }
}
done:
- for (i = 0; i < argc; ++i) {
+ for (int i = 0; i < argc; ++i) {
free(args[i]);
}
free(args);
@@ -925,8 +929,7 @@ Value* GetPropFn(const char* name, State* state, int argc, Expr* argv[]) {
if (argc != 1) {
return ErrorAbort(state, "%s() expects 1 arg, got %d", name, argc);
}
- char* key;
- key = Evaluate(state, argv[0]);
+ char* key = Evaluate(state, argv[0]);
if (key == NULL) return NULL;
char value[PROPERTY_VALUE_MAX];
@@ -953,29 +956,27 @@ Value* FileGetPropFn(const char* name, State* state, int argc, Expr* argv[]) {
struct stat st;
if (stat(filename, &st) < 0) {
- ErrorAbort(state, "%s: failed to stat \"%s\": %s",
- name, filename, strerror(errno));
+ ErrorAbort(state, "%s: failed to stat \"%s\": %s", name, filename, strerror(errno));
goto done;
}
#define MAX_FILE_GETPROP_SIZE 65536
if (st.st_size > MAX_FILE_GETPROP_SIZE) {
- ErrorAbort(state, "%s too large for %s (max %d)",
- filename, name, MAX_FILE_GETPROP_SIZE);
+ ErrorAbort(state, "%s too large for %s (max %d)", filename, name, MAX_FILE_GETPROP_SIZE);
goto done;
}
- buffer = malloc(st.st_size+1);
+ buffer = reinterpret_cast<char*>(malloc(st.st_size+1));
if (buffer == NULL) {
ErrorAbort(state, "%s: failed to alloc %lld bytes", name, (long long)st.st_size+1);
goto done;
}
- FILE* f = fopen(filename, "rb");
+ FILE* f;
+ f = fopen(filename, "rb");
if (f == NULL) {
- ErrorAbort(state, "%s: failed to open %s: %s",
- name, filename, strerror(errno));
+ ErrorAbort(state, "%s: failed to open %s: %s", name, filename, strerror(errno));
goto done;
}
@@ -989,7 +990,8 @@ Value* FileGetPropFn(const char* name, State* state, int argc, Expr* argv[]) {
fclose(f);
- char* line = strtok(buffer, "\n");
+ char* line;
+ line = strtok(buffer, "\n");
do {
// skip whitespace at start of line
while (*line && isspace(*line)) ++line;
@@ -1033,15 +1035,6 @@ Value* FileGetPropFn(const char* name, State* state, int argc, Expr* argv[]) {
return StringValue(result);
}
-
-static bool write_raw_image_cb(const unsigned char* data,
- int data_len, void* ctx) {
- int r = mtd_write_data((MtdWriteContext*)ctx, (const char *)data, data_len);
- if (r == data_len) return true;
- printf("%s\n", strerror(errno));
- return false;
-}
-
// write_raw_image(filename_or_blob, partition)
Value* WriteRawImageFn(const char* name, State* state, int argc, Expr* argv[]) {
char* result = NULL;
@@ -1068,14 +1061,16 @@ Value* WriteRawImageFn(const char* name, State* state, int argc, Expr* argv[]) {
}
mtd_scan_partitions();
- const MtdPartition* mtd = mtd_find_partition_by_name(partition);
+ const MtdPartition* mtd;
+ mtd = mtd_find_partition_by_name(partition);
if (mtd == NULL) {
printf("%s: no mtd partition named \"%s\"\n", name, partition);
result = strdup("");
goto done;
}
- MtdWriteContext* ctx = mtd_write_partition(mtd);
+ MtdWriteContext* ctx;
+ ctx = mtd_write_partition(mtd);
if (ctx == NULL) {
printf("%s: can't write mtd partition \"%s\"\n",
name, partition);
@@ -1090,14 +1085,13 @@ Value* WriteRawImageFn(const char* name, State* state, int argc, Expr* argv[]) {
char* filename = contents->data;
FILE* f = fopen(filename, "rb");
if (f == NULL) {
- printf("%s: can't open %s: %s\n",
- name, filename, strerror(errno));
+ printf("%s: can't open %s: %s\n", name, filename, strerror(errno));
result = strdup("");
goto done;
}
success = true;
- char* buffer = malloc(BUFSIZ);
+ char* buffer = reinterpret_cast<char*>(malloc(BUFSIZ));
int read;
while (success && (read = fread(buffer, 1, BUFSIZ, f)) > 0) {
int wrote = mtd_write_data(ctx, buffer, read);
@@ -1144,8 +1138,7 @@ Value* ApplyPatchSpaceFn(const char* name, State* state,
char* endptr;
size_t bytes = strtol(bytes_str, &endptr, 10);
if (bytes == 0 && endptr == bytes_str) {
- ErrorAbort(state, "%s(): can't parse \"%s\" as byte count\n\n",
- name, bytes_str);
+ ErrorAbort(state, "%s(): can't parse \"%s\" as byte count\n\n", name, bytes_str);
free(bytes_str);
return NULL;
}
@@ -1205,7 +1198,7 @@ Value* ApplyPatchFn(const char* name, State* state, int argc, Expr* argv[]) {
return NULL;
}
- char** patch_sha_str = malloc(patchcount * sizeof(char*));
+ char** patch_sha_str = reinterpret_cast<char**>(malloc(patchcount * sizeof(char*)));
for (i = 0; i < patchcount; ++i) {
patch_sha_str[i] = patches[i*2]->data;
patches[i*2]->data = NULL;
@@ -1264,7 +1257,7 @@ Value* UIPrintFn(const char* name, State* state, int argc, Expr* argv[]) {
for (i = 0; i < argc; ++i) {
size += strlen(args[i]);
}
- char* buffer = malloc(size+1);
+ char* buffer = reinterpret_cast<char*>(malloc(size+1));
size = 0;
for (i = 0; i < argc; ++i) {
strcpy(buffer+size, args[i]);
@@ -1294,7 +1287,7 @@ Value* RunProgramFn(const char* name, State* state, int argc, Expr* argv[]) {
return NULL;
}
- char** args2 = malloc(sizeof(char*) * (argc+1));
+ char** args2 = reinterpret_cast<char**>(malloc(sizeof(char*) * (argc+1)));
memcpy(args2, args, sizeof(char*) * argc);
args2[argc] = NULL;
@@ -1361,7 +1354,7 @@ Value* Sha1CheckFn(const char* name, State* state, int argc, Expr* argv[]) {
}
int i;
- uint8_t* arg_digest = malloc(SHA_DIGEST_SIZE);
+ uint8_t* arg_digest = reinterpret_cast<uint8_t*>(malloc(SHA_DIGEST_SIZE));
for (i = 1; i < argc; ++i) {
if (args[i]->type != VAL_STRING) {
printf("%s(): arg %d is not a string; skipping",
@@ -1397,7 +1390,7 @@ Value* ReadFileFn(const char* name, State* state, int argc, Expr* argv[]) {
char* filename;
if (ReadArgs(state, argv, 1, &filename) < 0) return NULL;
- Value* v = malloc(sizeof(Value));
+ Value* v = reinterpret_cast<Value*>(malloc(sizeof(Value)));
v->type = VAL_BLOB;
FileContents fc;
@@ -1555,15 +1548,14 @@ Value* Tune2FsFn(const char* name, State* state, int argc, Expr* argv[]) {
return ErrorAbort(state, "%s() could not read args", name);
}
- int i;
- char** args2 = malloc(sizeof(char*) * (argc+1));
+ char** args2 = reinterpret_cast<char**>(malloc(sizeof(char*) * (argc+1)));
// Tune2fs expects the program name as its args[0]
args2[0] = strdup(name);
- for (i = 0; i < argc; ++i) {
+ for (int i = 0; i < argc; ++i) {
args2[i + 1] = args[i];
}
int result = tune2fs_main(argc + 1, args2);
- for (i = 0; i < argc; ++i) {
+ for (int i = 0; i < argc; ++i) {
free(args[i]);
}
free(args);
diff --git a/updater/updater.c b/updater/updater.cpp
index 661f69587..0f22e6d04 100644
--- a/updater/updater.c
+++ b/updater/updater.cpp
@@ -89,7 +89,7 @@ int main(int argc, char** argv) {
return 4;
}
- char* script = malloc(script_entry->uncompLen+1);
+ char* script = reinterpret_cast<char*>(malloc(script_entry->uncompLen+1));
if (!mzReadZipEntry(&za, script_entry, script, script_entry->uncompLen)) {
printf("failed to read script from package\n");
return 5;