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-rw-r--r--Android.mk6
-rw-r--r--applypatch/applypatch.cpp19
-rw-r--r--applypatch/imgdiff.cpp10
-rw-r--r--bootloader.h18
-rw-r--r--common.h8
-rw-r--r--edify/Android.mk18
-rw-r--r--edify/expr.cpp (renamed from edify/expr.c)30
-rw-r--r--edify/expr.h10
-rw-r--r--edify/main.cpp (renamed from edify/main.c)0
-rw-r--r--edify/parser.y8
-rw-r--r--etc/init.rc1
-rw-r--r--fuse_sdcard_provider.cpp (renamed from fuse_sdcard_provider.c)12
-rw-r--r--fuse_sdcard_provider.h6
-rw-r--r--fuse_sideload.cpp (renamed from fuse_sideload.c)15
-rw-r--r--fuse_sideload.h6
-rw-r--r--install.cpp4
-rw-r--r--minadbd/adb_main.cpp10
-rw-r--r--minadbd/services.cpp17
-rw-r--r--minzip/Android.mk2
-rw-r--r--minzip/Hash.c4
-rw-r--r--minzip/SysUtil.c104
-rw-r--r--minzip/Zip.c21
-rw-r--r--mtdutils/mtdutils.c8
-rw-r--r--print_sha1.h43
-rw-r--r--recovery.cpp172
l---------res-560dpi1
-rw-r--r--roots.cpp26
-rw-r--r--roots.h13
-rw-r--r--screen_ui.cpp37
-rw-r--r--screen_ui.h2
-rw-r--r--ui.cpp4
-rw-r--r--ui.h4
-rw-r--r--uncrypt/Android.mk4
-rw-r--r--uncrypt/uncrypt.cpp48
-rw-r--r--uncrypt/uncrypt.rc9
-rw-r--r--unique_fd.h62
-rw-r--r--updater/Android.mk3
-rw-r--r--updater/blockimg.cpp1638
-rw-r--r--updater/install.cpp81
-rw-r--r--verifier_test.cpp6
40 files changed, 1191 insertions, 1299 deletions
diff --git a/Android.mk b/Android.mk
index e43d55f66..22e78027e 100644
--- a/Android.mk
+++ b/Android.mk
@@ -16,7 +16,7 @@ LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
-LOCAL_SRC_FILES := fuse_sideload.c
+LOCAL_SRC_FILES := fuse_sideload.cpp
LOCAL_CLANG := true
LOCAL_CFLAGS := -O2 -g -DADB_HOST=0 -Wall -Wno-unused-parameter
LOCAL_CFLAGS += -D_XOPEN_SOURCE -D_GNU_SOURCE
@@ -33,7 +33,7 @@ LOCAL_SRC_FILES := \
asn1_decoder.cpp \
bootloader.cpp \
device.cpp \
- fuse_sdcard_provider.c \
+ fuse_sdcard_provider.cpp \
install.cpp \
recovery.cpp \
roots.cpp \
@@ -46,9 +46,11 @@ LOCAL_MODULE := recovery
LOCAL_FORCE_STATIC_EXECUTABLE := true
+ifeq ($(TARGET_USERIMAGES_USE_F2FS),true)
ifeq ($(HOST_OS),linux)
LOCAL_REQUIRED_MODULES := mkfs.f2fs
endif
+endif
RECOVERY_API_VERSION := 3
RECOVERY_FSTAB_VERSION := 2
diff --git a/applypatch/applypatch.cpp b/applypatch/applypatch.cpp
index 2446b2a68..1767761a8 100644
--- a/applypatch/applypatch.cpp
+++ b/applypatch/applypatch.cpp
@@ -31,6 +31,7 @@
#include "applypatch.h"
#include "mtdutils/mtdutils.h"
#include "edify/expr.h"
+#include "print_sha1.h"
static int LoadPartitionContents(const char* filename, FileContents* file);
static ssize_t FileSink(const unsigned char* data, ssize_t len, void* token);
@@ -43,7 +44,6 @@ static int GenerateTarget(FileContents* source_file,
const uint8_t target_sha1[SHA_DIGEST_SIZE],
size_t target_size,
const Value* bonus_data);
-static std::string short_sha1(const uint8_t sha1[SHA_DIGEST_SIZE]);
static bool mtd_partitions_scanned = false;
@@ -312,13 +312,14 @@ int SaveFileContents(const char* filename, const FileContents* file) {
}
// Write a memory buffer to 'target' partition, a string of the form
-// "MTD:<partition>[:...]" or "EMMC:<partition_device>". Return 0 on
-// success.
+// "MTD:<partition>[:...]" or "EMMC:<partition_device>[:...]". The target name
+// might contain multiple colons, but WriteToPartition() only uses the first
+// two and ignores the rest. Return 0 on success.
int WriteToPartition(unsigned char* data, size_t len, const char* target) {
std::string copy(target);
std::vector<std::string> pieces = android::base::Split(copy, ":");
- if (pieces.size() != 2) {
+ if (pieces.size() < 2) {
printf("WriteToPartition called with bad target (%s)\n", target);
return -1;
}
@@ -629,16 +630,6 @@ int CacheSizeCheck(size_t bytes) {
}
}
-static std::string short_sha1(const uint8_t sha1[SHA_DIGEST_SIZE]) {
- const char* hex = "0123456789abcdef";
- std::string result = "";
- for (size_t i = 0; i < 4; ++i) {
- result.push_back(hex[(sha1[i]>>4) & 0xf]);
- result.push_back(hex[sha1[i] & 0xf]);
- }
- return result;
-}
-
// This function applies binary patches to files in a way that is safe
// (the original file is not touched until we have the desired
// replacement for it) and idempotent (it's okay to run this program
diff --git a/applypatch/imgdiff.cpp b/applypatch/imgdiff.cpp
index 4d83ffb2e..50cabbe6b 100644
--- a/applypatch/imgdiff.cpp
+++ b/applypatch/imgdiff.cpp
@@ -628,7 +628,15 @@ unsigned char* MakePatch(ImageChunk* src, ImageChunk* tgt, size_t* size) {
}
char ptemp[] = "/tmp/imgdiff-patch-XXXXXX";
- mkstemp(ptemp);
+ int fd = mkstemp(ptemp);
+
+ if (fd == -1) {
+ printf("MakePatch failed to create a temporary file: %s\n",
+ strerror(errno));
+ return NULL;
+ }
+ close(fd); // temporary file is created and we don't need its file
+ // descriptor
int r = bsdiff(src->data, src->len, &(src->I), tgt->data, tgt->len, ptemp);
if (r != 0) {
diff --git a/bootloader.h b/bootloader.h
index c2895dd91..742a4abfb 100644
--- a/bootloader.h
+++ b/bootloader.h
@@ -17,10 +17,6 @@
#ifndef _RECOVERY_BOOTLOADER_H
#define _RECOVERY_BOOTLOADER_H
-#ifdef __cplusplus
-extern "C" {
-#endif
-
/* Bootloader Message
*
* This structure describes the content of a block in flash
@@ -43,6 +39,13 @@ extern "C" {
* multiple times, so that the UI can reflect which invocation of the
* package it is. If the value is of the format "#/#" (eg, "1/3"),
* the UI will add a simple indicator of that status.
+ *
+ * The slot_suffix field is used for A/B implementations where the
+ * bootloader does not set the androidboot.ro.boot.slot_suffix kernel
+ * commandline parameter. This is used by fs_mgr to mount /system and
+ * other partitions with the slotselect flag set in fstab. A/B
+ * implementations are free to use all 32 bytes and may store private
+ * data past the first NUL-byte in this field.
*/
struct bootloader_message {
char command[32];
@@ -55,7 +58,8 @@ struct bootloader_message {
// stage string (for multistage packages) and possible future
// expansion.
char stage[32];
- char reserved[224];
+ char slot_suffix[32];
+ char reserved[192];
};
/* Read and write the bootloader command from the "misc" partition.
@@ -64,8 +68,4 @@ struct bootloader_message {
int get_bootloader_message(struct bootloader_message *out);
int set_bootloader_message(const struct bootloader_message *in);
-#ifdef __cplusplus
-}
-#endif
-
#endif
diff --git a/common.h b/common.h
index b818ceb84..de8b409fd 100644
--- a/common.h
+++ b/common.h
@@ -21,10 +21,6 @@
#include <stdio.h>
#include <stdarg.h>
-#ifdef __cplusplus
-extern "C" {
-#endif
-
#define LOGE(...) ui_print("E:" __VA_ARGS__)
#define LOGW(...) fprintf(stdout, "W:" __VA_ARGS__)
#define LOGI(...) fprintf(stdout, "I:" __VA_ARGS__)
@@ -50,8 +46,4 @@ void ui_print(const char* format, ...);
bool is_ro_debuggable();
-#ifdef __cplusplus
-}
-#endif
-
#endif // RECOVERY_COMMON_H
diff --git a/edify/Android.mk b/edify/Android.mk
index c36645045..9b859d42e 100644
--- a/edify/Android.mk
+++ b/edify/Android.mk
@@ -5,12 +5,7 @@ LOCAL_PATH := $(call my-dir)
edify_src_files := \
lexer.l \
parser.y \
- expr.c
-
-# "-x c" forces the lex/yacc files to be compiled as c the build system
-# otherwise forces them to be c++. Need to also add an explicit -std because the
-# build system will soon default C++ to -std=c++11.
-edify_cflags := -x c -std=gnu89
+ expr.cpp
#
# Build the host-side command line tool
@@ -19,12 +14,13 @@ include $(CLEAR_VARS)
LOCAL_SRC_FILES := \
$(edify_src_files) \
- main.c
+ main.cpp
-LOCAL_CFLAGS := $(edify_cflags) -g -O0
+LOCAL_CPPFLAGS := -g -O0
LOCAL_MODULE := edify
LOCAL_YACCFLAGS := -v
-LOCAL_CFLAGS += -Wno-unused-parameter
+LOCAL_CPPFLAGS += -Wno-unused-parameter
+LOCAL_CPPFLAGS += -Wno-deprecated-register
LOCAL_CLANG := true
include $(BUILD_HOST_EXECUTABLE)
@@ -36,8 +32,8 @@ include $(CLEAR_VARS)
LOCAL_SRC_FILES := $(edify_src_files)
-LOCAL_CFLAGS := $(edify_cflags)
-LOCAL_CFLAGS += -Wno-unused-parameter
+LOCAL_CPPFLAGS := -Wno-unused-parameter
+LOCAL_CPPFLAGS += -Wno-deprecated-register
LOCAL_MODULE := libedify
LOCAL_CLANG := true
diff --git a/edify/expr.c b/edify/expr.cpp
index 79f6282d8..cd1e08726 100644
--- a/edify/expr.c
+++ b/edify/expr.cpp
@@ -51,7 +51,7 @@ Value* EvaluateValue(State* state, Expr* expr) {
Value* StringValue(char* str) {
if (str == NULL) return NULL;
- Value* v = malloc(sizeof(Value));
+ Value* v = reinterpret_cast<Value*>(malloc(sizeof(Value)));
v->type = VAL_STRING;
v->size = strlen(str);
v->data = str;
@@ -68,7 +68,7 @@ Value* ConcatFn(const char* name, State* state, int argc, Expr* argv[]) {
if (argc == 0) {
return StringValue(strdup(""));
}
- char** strings = malloc(argc * sizeof(char*));
+ char** strings = reinterpret_cast<char**>(malloc(argc * sizeof(char*)));
int i;
for (i = 0; i < argc; ++i) {
strings[i] = NULL;
@@ -83,8 +83,9 @@ Value* ConcatFn(const char* name, State* state, int argc, Expr* argv[]) {
length += strlen(strings[i]);
}
- result = malloc(length+1);
- int p = 0;
+ result = reinterpret_cast<char*>(malloc(length+1));
+ int p;
+ p = 0;
for (i = 0; i < argc; ++i) {
strcpy(result+p, strings[i]);
p += strlen(strings[i]);
@@ -149,7 +150,7 @@ Value* AssertFn(const char* name, State* state, int argc, Expr* argv[]) {
if (!b) {
int prefix_len;
int len = argv[i]->end - argv[i]->start;
- char* err_src = malloc(len + 20);
+ char* err_src = reinterpret_cast<char*>(malloc(len + 20));
strcpy(err_src, "assert failed: ");
prefix_len = strlen(err_src);
memcpy(err_src + prefix_len, state->script + argv[i]->start, len);
@@ -290,7 +291,8 @@ Value* LessThanIntFn(const char* name, State* state, int argc, Expr* argv[]) {
goto done;
}
- long r_int = strtol(right, &end, 10);
+ long r_int;
+ r_int = strtol(right, &end, 10);
if (right[0] == '\0' || *end != '\0') {
goto done;
}
@@ -325,11 +327,11 @@ Value* Literal(const char* name, State* state, int argc, Expr* argv[]) {
Expr* Build(Function fn, YYLTYPE loc, int count, ...) {
va_list v;
va_start(v, count);
- Expr* e = malloc(sizeof(Expr));
+ Expr* e = reinterpret_cast<Expr*>(malloc(sizeof(Expr)));
e->fn = fn;
e->name = "(operator)";
e->argc = count;
- e->argv = malloc(count * sizeof(Expr*));
+ e->argv = reinterpret_cast<Expr**>(malloc(count * sizeof(Expr*)));
int i;
for (i = 0; i < count; ++i) {
e->argv[i] = va_arg(v, Expr*);
@@ -351,7 +353,7 @@ NamedFunction* fn_table = NULL;
void RegisterFunction(const char* name, Function fn) {
if (fn_entries >= fn_size) {
fn_size = fn_size*2 + 1;
- fn_table = realloc(fn_table, fn_size * sizeof(NamedFunction));
+ fn_table = reinterpret_cast<NamedFunction*>(realloc(fn_table, fn_size * sizeof(NamedFunction)));
}
fn_table[fn_entries].name = name;
fn_table[fn_entries].fn = fn;
@@ -371,8 +373,8 @@ void FinishRegistration() {
Function FindFunction(const char* name) {
NamedFunction key;
key.name = name;
- NamedFunction* nf = bsearch(&key, fn_table, fn_entries,
- sizeof(NamedFunction), fn_entry_compare);
+ NamedFunction* nf = reinterpret_cast<NamedFunction*>(bsearch(&key, fn_table, fn_entries,
+ sizeof(NamedFunction), fn_entry_compare));
if (nf == NULL) {
return NULL;
}
@@ -401,7 +403,7 @@ void RegisterBuiltins() {
// zero or more char** to put them in). If any expression evaluates
// to NULL, free the rest and return -1. Return 0 on success.
int ReadArgs(State* state, Expr* argv[], int count, ...) {
- char** args = malloc(count * sizeof(char*));
+ char** args = reinterpret_cast<char**>(malloc(count * sizeof(char*)));
va_list v;
va_start(v, count);
int i;
@@ -427,7 +429,7 @@ int ReadArgs(State* state, Expr* argv[], int count, ...) {
// zero or more Value** to put them in). If any expression evaluates
// to NULL, free the rest and return -1. Return 0 on success.
int ReadValueArgs(State* state, Expr* argv[], int count, ...) {
- Value** args = malloc(count * sizeof(Value*));
+ Value** args = reinterpret_cast<Value**>(malloc(count * sizeof(Value*)));
va_list v;
va_start(v, count);
int i;
@@ -494,7 +496,7 @@ Value** ReadValueVarArgs(State* state, int argc, Expr* argv[]) {
// Use printf-style arguments to compose an error message to put into
// *state. Returns NULL.
Value* ErrorAbort(State* state, const char* format, ...) {
- char* buffer = malloc(4096);
+ char* buffer = reinterpret_cast<char*>(malloc(4096));
va_list v;
va_start(v, format);
vsnprintf(buffer, 4096, format, v);
diff --git a/edify/expr.h b/edify/expr.h
index a9ed2f9c5..36f8e9612 100644
--- a/edify/expr.h
+++ b/edify/expr.h
@@ -21,10 +21,6 @@
#include "yydefs.h"
-#ifdef __cplusplus
-extern "C" {
-#endif
-
#define MAX_STRING_LEN 1024
typedef struct Expr Expr;
@@ -59,7 +55,7 @@ typedef Value* (*Function)(const char* name, State* state,
struct Expr {
Function fn;
- char* name;
+ const char* name;
int argc;
Expr** argv;
int start, end;
@@ -166,8 +162,4 @@ void FreeValue(Value* v);
int parse_string(const char* str, Expr** root, int* error_count);
-#ifdef __cplusplus
-} // extern "C"
-#endif
-
#endif // _EXPRESSION_H
diff --git a/edify/main.c b/edify/main.cpp
index b1baa0b13..b1baa0b13 100644
--- a/edify/main.c
+++ b/edify/main.cpp
diff --git a/edify/parser.y b/edify/parser.y
index f8fb2d12f..098a6370a 100644
--- a/edify/parser.y
+++ b/edify/parser.y
@@ -70,7 +70,7 @@ input: expr { *root = $1; }
;
expr: STRING {
- $$ = malloc(sizeof(Expr));
+ $$ = reinterpret_cast<Expr*>(malloc(sizeof(Expr)));
$$->fn = Literal;
$$->name = $1;
$$->argc = 0;
@@ -91,7 +91,7 @@ expr: STRING {
| IF expr THEN expr ENDIF { $$ = Build(IfElseFn, @$, 2, $2, $4); }
| IF expr THEN expr ELSE expr ENDIF { $$ = Build(IfElseFn, @$, 3, $2, $4, $6); }
| STRING '(' arglist ')' {
- $$ = malloc(sizeof(Expr));
+ $$ = reinterpret_cast<Expr*>(malloc(sizeof(Expr)));
$$->fn = FindFunction($1);
if ($$->fn == NULL) {
char buffer[256];
@@ -113,12 +113,12 @@ arglist: /* empty */ {
}
| expr {
$$.argc = 1;
- $$.argv = malloc(sizeof(Expr*));
+ $$.argv = reinterpret_cast<Expr**>(malloc(sizeof(Expr*)));
$$.argv[0] = $1;
}
| arglist ',' expr {
$$.argc = $1.argc + 1;
- $$.argv = realloc($$.argv, $$.argc * sizeof(Expr*));
+ $$.argv = reinterpret_cast<Expr**>(realloc($$.argv, $$.argc * sizeof(Expr*)));
$$.argv[$$.argc-1] = $3;
}
;
diff --git a/etc/init.rc b/etc/init.rc
index 427727768..dc1865986 100644
--- a/etc/init.rc
+++ b/etc/init.rc
@@ -5,7 +5,6 @@ on early-init
start healthd
on init
- export PATH /sbin:/system/bin
export ANDROID_ROOT /system
export ANDROID_DATA /data
export EXTERNAL_STORAGE /sdcard
diff --git a/fuse_sdcard_provider.c b/fuse_sdcard_provider.cpp
index 4565c7b5b..eb6454f1d 100644
--- a/fuse_sdcard_provider.c
+++ b/fuse_sdcard_provider.cpp
@@ -34,7 +34,7 @@ struct file_data {
};
static int read_block_file(void* cookie, uint32_t block, uint8_t* buffer, uint32_t fetch_size) {
- struct file_data* fd = (struct file_data*)cookie;
+ file_data* fd = reinterpret_cast<file_data*>(cookie);
off64_t offset = ((off64_t) block) * fd->block_size;
if (TEMP_FAILURE_RETRY(lseek64(fd->fd, offset, SEEK_SET)) == -1) {
@@ -56,7 +56,7 @@ static int read_block_file(void* cookie, uint32_t block, uint8_t* buffer, uint32
}
static void close_file(void* cookie) {
- struct file_data* fd = (struct file_data*)cookie;
+ file_data* fd = reinterpret_cast<file_data*>(cookie);
close(fd->fd);
}
@@ -67,7 +67,7 @@ struct token {
};
static void* run_sdcard_fuse(void* cookie) {
- struct token* t = (struct token*)cookie;
+ token* t = reinterpret_cast<token*>(cookie);
struct stat sb;
if (stat(t->path, &sb) < 0) {
@@ -100,7 +100,7 @@ static void* run_sdcard_fuse(void* cookie) {
#define SDCARD_INSTALL_TIMEOUT 10
void* start_sdcard_fuse(const char* path) {
- struct token* t = malloc(sizeof(struct token));
+ token* t = new token;
t->path = path;
pthread_create(&(t->th), NULL, run_sdcard_fuse, t);
@@ -128,7 +128,7 @@ void* start_sdcard_fuse(const char* path) {
void finish_sdcard_fuse(void* cookie) {
if (cookie == NULL) return;
- struct token* t = (struct token*)cookie;
+ token* t = reinterpret_cast<token*>(cookie);
// Calling stat() on this magic filename signals the fuse
// filesystem to shut down.
@@ -136,5 +136,5 @@ void finish_sdcard_fuse(void* cookie) {
stat(FUSE_SIDELOAD_HOST_EXIT_PATHNAME, &st);
pthread_join(t->th, NULL);
- free(t);
+ delete t;
}
diff --git a/fuse_sdcard_provider.h b/fuse_sdcard_provider.h
index dbfbcd521..dc2982ca0 100644
--- a/fuse_sdcard_provider.h
+++ b/fuse_sdcard_provider.h
@@ -17,13 +17,7 @@
#ifndef __FUSE_SDCARD_PROVIDER_H
#define __FUSE_SDCARD_PROVIDER_H
-#include <sys/cdefs.h>
-
-__BEGIN_DECLS
-
void* start_sdcard_fuse(const char* path);
void finish_sdcard_fuse(void* token);
-__END_DECLS
-
#endif
diff --git a/fuse_sideload.c b/fuse_sideload.cpp
index 48e6cc53a..9c3e75f89 100644
--- a/fuse_sideload.c
+++ b/fuse_sideload.cpp
@@ -116,7 +116,7 @@ static void fuse_reply(struct fuse_data* fd, __u64 unique, const void *data, siz
}
static int handle_init(void* data, struct fuse_data* fd, const struct fuse_in_header* hdr) {
- const struct fuse_init_in* req = data;
+ const struct fuse_init_in* req = reinterpret_cast<const struct fuse_init_in*>(data);
struct fuse_init_out out;
size_t fuse_struct_size;
@@ -170,8 +170,7 @@ static void fill_attr(struct fuse_attr* attr, struct fuse_data* fd,
attr->mode = mode;
}
-static int handle_getattr(void* data, struct fuse_data* fd, const struct fuse_in_header* hdr) {
- const struct fuse_getattr_in* req = data;
+static int handle_getattr(void* /* data */, struct fuse_data* fd, const struct fuse_in_header* hdr) {
struct fuse_attr_out out;
memset(&out, 0, sizeof(out));
out.attr_valid = 10;
@@ -197,12 +196,12 @@ static int handle_lookup(void* data, struct fuse_data* fd,
out.entry_valid = 10;
out.attr_valid = 10;
- if (strncmp(FUSE_SIDELOAD_HOST_FILENAME, data,
+ if (strncmp(FUSE_SIDELOAD_HOST_FILENAME, reinterpret_cast<const char*>(data),
sizeof(FUSE_SIDELOAD_HOST_FILENAME)) == 0) {
out.nodeid = PACKAGE_FILE_ID;
out.generation = PACKAGE_FILE_ID;
fill_attr(&(out.attr), fd, PACKAGE_FILE_ID, fd->file_size, S_IFREG | 0444);
- } else if (strncmp(FUSE_SIDELOAD_HOST_EXIT_FLAG, data,
+ } else if (strncmp(FUSE_SIDELOAD_HOST_EXIT_FLAG, reinterpret_cast<const char*>(data),
sizeof(FUSE_SIDELOAD_HOST_EXIT_FLAG)) == 0) {
out.nodeid = EXIT_FLAG_ID;
out.generation = EXIT_FLAG_ID;
@@ -215,9 +214,7 @@ static int handle_lookup(void* data, struct fuse_data* fd,
return (out.nodeid == EXIT_FLAG_ID) ? NO_STATUS_EXIT : NO_STATUS;
}
-static int handle_open(void* data, struct fuse_data* fd, const struct fuse_in_header* hdr) {
- const struct fuse_open_in* req = data;
-
+static int handle_open(void* /* data */, struct fuse_data* fd, const struct fuse_in_header* hdr) {
if (hdr->nodeid == EXIT_FLAG_ID) return -EPERM;
if (hdr->nodeid != PACKAGE_FILE_ID) return -ENOENT;
@@ -292,7 +289,7 @@ static int fetch_block(struct fuse_data* fd, uint32_t block) {
}
static int handle_read(void* data, struct fuse_data* fd, const struct fuse_in_header* hdr) {
- const struct fuse_read_in* req = data;
+ const struct fuse_read_in* req = reinterpret_cast<const struct fuse_read_in*>(data);
struct fuse_out_header outhdr;
struct iovec vec[3];
int vec_used;
diff --git a/fuse_sideload.h b/fuse_sideload.h
index f9e3bf0d3..c0b16efbe 100644
--- a/fuse_sideload.h
+++ b/fuse_sideload.h
@@ -17,10 +17,6 @@
#ifndef __FUSE_SIDELOAD_H
#define __FUSE_SIDELOAD_H
-#include <sys/cdefs.h>
-
-__BEGIN_DECLS
-
// define the filenames created by the sideload FUSE filesystem
#define FUSE_SIDELOAD_HOST_MOUNTPOINT "/sideload"
#define FUSE_SIDELOAD_HOST_FILENAME "package.zip"
@@ -39,6 +35,4 @@ struct provider_vtab {
int run_fuse_sideload(struct provider_vtab* vtab, void* cookie,
uint64_t file_size, uint32_t block_size);
-__END_DECLS
-
#endif
diff --git a/install.cpp b/install.cpp
index c7d382f3e..7d88ed72a 100644
--- a/install.cpp
+++ b/install.cpp
@@ -164,9 +164,9 @@ try_update_binary(const char* path, ZipArchive* zip, bool* wipe_cache) {
} else if (strcmp(command, "ui_print") == 0) {
char* str = strtok(NULL, "\n");
if (str) {
- ui->Print("%s", str);
+ ui->PrintOnScreenOnly("%s", str);
} else {
- ui->Print("\n");
+ ui->PrintOnScreenOnly("\n");
}
fflush(stdout);
} else if (strcmp(command, "wipe_cache") == 0) {
diff --git a/minadbd/adb_main.cpp b/minadbd/adb_main.cpp
index 7fae99a9a..c968204b2 100644
--- a/minadbd/adb_main.cpp
+++ b/minadbd/adb_main.cpp
@@ -19,21 +19,15 @@
#include <stdio.h>
#include <stdlib.h>
-#define TRACE_TAG TRACE_ADB
-
#include "sysdeps.h"
#include "adb.h"
#include "adb_auth.h"
#include "transport.h"
-int adb_main(int is_daemon, int server_port)
-{
- atexit(usb_cleanup);
-
+int adb_main(int is_daemon, int server_port, int /* reply_fd */) {
adb_device_banner = "sideload";
- // No SIGCHLD. Let the service subproc handle its children.
signal(SIGPIPE, SIG_IGN);
// We can't require authentication for sideloading. http://b/22025550.
@@ -42,7 +36,7 @@ int adb_main(int is_daemon, int server_port)
init_transport_registration();
usb_init();
- D("Event loop starting\n");
+ VLOG(ADB) << "Event loop starting";
fdevent_loop();
return 0;
diff --git a/minadbd/services.cpp b/minadbd/services.cpp
index dd1fd7c4b..d25648fb4 100644
--- a/minadbd/services.cpp
+++ b/minadbd/services.cpp
@@ -23,7 +23,6 @@
#include "sysdeps.h"
-#define TRACE_TAG TRACE_SERVICES
#include "adb.h"
#include "fdevent.h"
#include "fuse_adb_provider.h"
@@ -44,13 +43,14 @@ void* service_bootstrap_func(void* x) {
}
static void sideload_host_service(int sfd, void* data) {
- const char* args = reinterpret_cast<const char*>(data);
+ char* args = reinterpret_cast<char*>(data);
int file_size;
int block_size;
if (sscanf(args, "%d:%d", &file_size, &block_size) != 2) {
printf("bad sideload-host arguments: %s\n", args);
exit(1);
}
+ free(args);
printf("sideload-host file size %d block size %d\n", file_size, block_size);
@@ -61,8 +61,7 @@ static void sideload_host_service(int sfd, void* data) {
exit(result == 0 ? 0 : 1);
}
-static int create_service_thread(void (*func)(int, void *), void *cookie)
-{
+static int create_service_thread(void (*func)(int, void *), void *cookie) {
int s[2];
if(adb_socketpair(s)) {
printf("cannot create service socket pair\n");
@@ -75,8 +74,7 @@ static int create_service_thread(void (*func)(int, void *), void *cookie)
sti->cookie = cookie;
sti->fd = s[1];
- adb_thread_t t;
- if (adb_thread_create( &t, service_bootstrap_func, sti)){
+ if (!adb_thread_create(service_bootstrap_func, sti)) {
free(sti);
adb_close(s[0]);
adb_close(s[1]);
@@ -84,11 +82,11 @@ static int create_service_thread(void (*func)(int, void *), void *cookie)
return -1;
}
- D("service thread started, %d:%d\n",s[0], s[1]);
+ VLOG(SERVICES) << "service thread started, " << s[0] << ":" << s[1];
return s[0];
}
-int service_to_fd(const char* name) {
+int service_to_fd(const char* name, const atransport* transport) {
int ret = -1;
if (!strncmp(name, "sideload:", 9)) {
@@ -97,7 +95,8 @@ int service_to_fd(const char* name) {
// sideload-host).
exit(3);
} else if (!strncmp(name, "sideload-host:", 14)) {
- ret = create_service_thread(sideload_host_service, (void*)(name + 14));
+ char* arg = strdup(name + 14);
+ ret = create_service_thread(sideload_host_service, arg);
}
if (ret >= 0) {
close_on_exec(ret);
diff --git a/minzip/Android.mk b/minzip/Android.mk
index 48d26bcb7..22eabfbb1 100644
--- a/minzip/Android.mk
+++ b/minzip/Android.mk
@@ -18,6 +18,6 @@ LOCAL_MODULE := libminzip
LOCAL_CLANG := true
-LOCAL_CFLAGS += -Wall
+LOCAL_CFLAGS += -Werror -Wall
include $(BUILD_STATIC_LIBRARY)
diff --git a/minzip/Hash.c b/minzip/Hash.c
index 8f8ed68e5..49bcb3161 100644
--- a/minzip/Hash.c
+++ b/minzip/Hash.c
@@ -361,7 +361,7 @@ void mzHashTableProbeCount(HashTable* pHashTable, HashCalcFunc calcFunc,
{
const void* data = (const void*)mzHashIterData(&iter);
int count;
-
+
count = countProbes(pHashTable, (*calcFunc)(data), data, cmpFunc);
numEntries++;
@@ -373,7 +373,7 @@ void mzHashTableProbeCount(HashTable* pHashTable, HashCalcFunc calcFunc,
totalProbe += count;
}
- LOGI("Probe: min=%d max=%d, total=%d in %d (%d), avg=%.3f\n",
+ LOGV("Probe: min=%d max=%d, total=%d in %d (%d), avg=%.3f\n",
minProbe, maxProbe, totalProbe, numEntries, pHashTable->tableSize,
(float) totalProbe / (float) numEntries);
}
diff --git a/minzip/SysUtil.c b/minzip/SysUtil.c
index b160c9e3d..09ec8768f 100644
--- a/minzip/SysUtil.c
+++ b/minzip/SysUtil.c
@@ -3,86 +3,46 @@
*
* System utilities.
*/
-#include <stdlib.h>
+#include <assert.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <stdbool.h>
#include <stdio.h>
-#include <unistd.h>
+#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
-#include <sys/types.h>
#include <sys/stat.h>
-#include <fcntl.h>
-#include <limits.h>
-#include <errno.h>
-#include <assert.h>
+#include <sys/types.h>
+#include <unistd.h>
#define LOG_TAG "sysutil"
#include "Log.h"
#include "SysUtil.h"
-static int getFileStartAndLength(int fd, off_t *start_, size_t *length_)
-{
- off_t start, end;
- size_t length;
-
- assert(start_ != NULL);
- assert(length_ != NULL);
-
- // TODO: isn't start always 0 for the single call site? just use fstat instead?
-
- start = TEMP_FAILURE_RETRY(lseek(fd, 0L, SEEK_CUR));
- end = TEMP_FAILURE_RETRY(lseek(fd, 0L, SEEK_END));
-
- if (TEMP_FAILURE_RETRY(lseek(fd, start, SEEK_SET)) == -1 ||
- start == (off_t) -1 || end == (off_t) -1) {
- LOGE("could not determine length of file\n");
- return -1;
- }
-
- length = end - start;
- if (length == 0) {
- LOGE("file is empty\n");
- return -1;
- }
-
- *start_ = start;
- *length_ = length;
-
- return 0;
-}
-
-/*
- * Map a file (from fd's current offset) into a private, read-only memory
- * segment. The file offset must be a multiple of the page size.
- *
- * On success, returns 0 and fills out "pMap". On failure, returns a nonzero
- * value and does not disturb "pMap".
- */
-static int sysMapFD(int fd, MemMapping* pMap)
-{
- off_t start;
- size_t length;
- void* memPtr;
-
+static bool sysMapFD(int fd, MemMapping* pMap) {
assert(pMap != NULL);
- if (getFileStartAndLength(fd, &start, &length) < 0)
- return -1;
+ struct stat sb;
+ if (fstat(fd, &sb) == -1) {
+ LOGE("fstat(%d) failed: %s\n", fd, strerror(errno));
+ return false;
+ }
- memPtr = mmap(NULL, length, PROT_READ, MAP_PRIVATE, fd, start);
+ void* memPtr = mmap(NULL, sb.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
if (memPtr == MAP_FAILED) {
- LOGW("mmap(%d, R, PRIVATE, %d, %d) failed: %s\n", (int) length,
- fd, (int) start, strerror(errno));
- return -1;
+ LOGE("mmap(%d, R, PRIVATE, %d, 0) failed: %s\n", (int) sb.st_size, fd, strerror(errno));
+ return false;
}
pMap->addr = memPtr;
- pMap->length = length;
+ pMap->length = sb.st_size;
pMap->range_count = 1;
pMap->ranges = malloc(sizeof(MappedRange));
pMap->ranges[0].addr = memPtr;
- pMap->ranges[0].length = length;
+ pMap->ranges[0].length = sb.st_size;
- return 0;
+ return true;
}
static int sysMapBlockFile(FILE* mapf, MemMapping* pMap)
@@ -95,7 +55,7 @@ static int sysMapBlockFile(FILE* mapf, MemMapping* pMap)
unsigned int i;
if (fgets(block_dev, sizeof(block_dev), mapf) == NULL) {
- LOGW("failed to read block device from header\n");
+ LOGE("failed to read block device from header\n");
return -1;
}
for (i = 0; i < sizeof(block_dev); ++i) {
@@ -106,7 +66,7 @@ static int sysMapBlockFile(FILE* mapf, MemMapping* pMap)
}
if (fscanf(mapf, "%zu %u\n%u\n", &size, &blksize, &range_count) != 3) {
- LOGW("failed to parse block map header\n");
+ LOGE("failed to parse block map header\n");
return -1;
}
@@ -120,7 +80,7 @@ static int sysMapBlockFile(FILE* mapf, MemMapping* pMap)
unsigned char* reserve;
reserve = mmap64(NULL, blocks * blksize, PROT_NONE, MAP_PRIVATE | MAP_ANON, -1, 0);
if (reserve == MAP_FAILED) {
- LOGW("failed to reserve address space: %s\n", strerror(errno));
+ LOGE("failed to reserve address space: %s\n", strerror(errno));
return -1;
}
@@ -129,7 +89,7 @@ static int sysMapBlockFile(FILE* mapf, MemMapping* pMap)
int fd = open(block_dev, O_RDONLY);
if (fd < 0) {
- LOGW("failed to open block device %s: %s\n", block_dev, strerror(errno));
+ LOGE("failed to open block device %s: %s\n", block_dev, strerror(errno));
return -1;
}
@@ -137,13 +97,13 @@ static int sysMapBlockFile(FILE* mapf, MemMapping* pMap)
for (i = 0; i < range_count; ++i) {
int start, end;
if (fscanf(mapf, "%d %d\n", &start, &end) != 2) {
- LOGW("failed to parse range %d in block map\n", i);
+ LOGE("failed to parse range %d in block map\n", i);
return -1;
}
void* addr = mmap64(next, (end-start)*blksize, PROT_READ, MAP_PRIVATE | MAP_FIXED, fd, ((off64_t)start)*blksize);
if (addr == MAP_FAILED) {
- LOGW("failed to map block %d: %s\n", i, strerror(errno));
+ LOGE("failed to map block %d: %s\n", i, strerror(errno));
return -1;
}
pMap->ranges[i].addr = addr;
@@ -168,25 +128,25 @@ int sysMapFile(const char* fn, MemMapping* pMap)
// A map of blocks
FILE* mapf = fopen(fn+1, "r");
if (mapf == NULL) {
- LOGV("Unable to open '%s': %s\n", fn+1, strerror(errno));
+ LOGE("Unable to open '%s': %s\n", fn+1, strerror(errno));
return -1;
}
if (sysMapBlockFile(mapf, pMap) != 0) {
- LOGW("Map of '%s' failed\n", fn);
+ LOGE("Map of '%s' failed\n", fn);
return -1;
}
fclose(mapf);
} else {
// This is a regular file.
- int fd = open(fn, O_RDONLY, 0);
- if (fd < 0) {
+ int fd = open(fn, O_RDONLY);
+ if (fd == -1) {
LOGE("Unable to open '%s': %s\n", fn, strerror(errno));
return -1;
}
- if (sysMapFD(fd, pMap) != 0) {
+ if (!sysMapFD(fd, pMap)) {
LOGE("Map of '%s' failed\n", fn);
close(fd);
return -1;
@@ -205,7 +165,7 @@ void sysReleaseMap(MemMapping* pMap)
int i;
for (i = 0; i < pMap->range_count; ++i) {
if (munmap(pMap->ranges[i].addr, pMap->ranges[i].length) < 0) {
- LOGW("munmap(%p, %d) failed: %s\n",
+ LOGE("munmap(%p, %d) failed: %s\n",
pMap->ranges[i].addr, (int)pMap->ranges[i].length, strerror(errno));
}
}
diff --git a/minzip/Zip.c b/minzip/Zip.c
index a64c833f9..bdb565c64 100644
--- a/minzip/Zip.c
+++ b/minzip/Zip.c
@@ -198,10 +198,10 @@ static bool parseZipArchive(ZipArchive* pArchive)
*/
val = get4LE(pArchive->addr);
if (val == ENDSIG) {
- LOGI("Found Zip archive, but it looks empty\n");
+ LOGW("Found Zip archive, but it looks empty\n");
goto bail;
} else if (val != LOCSIG) {
- LOGV("Not a Zip archive (found 0x%08x)\n", val);
+ LOGW("Not a Zip archive (found 0x%08x)\n", val);
goto bail;
}
@@ -217,7 +217,7 @@ static bool parseZipArchive(ZipArchive* pArchive)
ptr--;
}
if (ptr < (const unsigned char*) pArchive->addr) {
- LOGI("Could not find end-of-central-directory in Zip\n");
+ LOGW("Could not find end-of-central-directory in Zip\n");
goto bail;
}
@@ -429,7 +429,7 @@ int mzOpenZipArchive(unsigned char* addr, size_t length, ZipArchive* pArchive)
if (length < ENDHDR) {
err = -1;
- LOGV("File '%s' too small to be zip (%zd)\n", fileName, map.length);
+ LOGW("Archive %p is too small to be zip (%zd)\n", pArchive, length);
goto bail;
}
@@ -438,7 +438,7 @@ int mzOpenZipArchive(unsigned char* addr, size_t length, ZipArchive* pArchive)
if (!parseZipArchive(pArchive)) {
err = -1;
- LOGV("Parsing '%s' failed\n", fileName);
+ LOGW("Parsing archive %p failed\n", pArchive);
goto bail;
}
@@ -548,7 +548,7 @@ static bool processDeflatedEntry(const ZipArchive *pArchive,
/* uncompress the data */
zerr = inflate(&zstream, Z_NO_FLUSH);
if (zerr != Z_OK && zerr != Z_STREAM_END) {
- LOGD("zlib inflate call failed (zerr=%d)\n", zerr);
+ LOGW("zlib inflate call failed (zerr=%d)\n", zerr);
goto z_bail;
}
@@ -619,13 +619,6 @@ bool mzProcessZipEntryContents(const ZipArchive *pArchive,
return ret;
}
-static bool crcProcessFunction(const unsigned char *data, int dataLen,
- void *crc)
-{
- *(unsigned long *)crc = crc32(*(unsigned long *)crc, data, dataLen);
- return true;
-}
-
typedef struct {
char *buf;
int bufLen;
@@ -1014,7 +1007,7 @@ bool mzExtractRecursive(const ZipArchive *pArchive,
if (callback != NULL) callback(targetFile, cookie);
}
- LOGD("Extracted %d file(s)\n", extractCount);
+ LOGV("Extracted %d file(s)\n", extractCount);
free(helper.buf);
free(zpath);
diff --git a/mtdutils/mtdutils.c b/mtdutils/mtdutils.c
index cc3033444..cd4f52cd5 100644
--- a/mtdutils/mtdutils.c
+++ b/mtdutils/mtdutils.c
@@ -300,20 +300,20 @@ static int read_block(const MtdPartition *partition, int fd, char *data)
if (TEMP_FAILURE_RETRY(lseek64(fd, pos, SEEK_SET)) != pos ||
TEMP_FAILURE_RETRY(read(fd, data, size)) != size) {
printf("mtd: read error at 0x%08llx (%s)\n",
- pos, strerror(errno));
+ (long long)pos, strerror(errno));
} else if (ioctl(fd, ECCGETSTATS, &after)) {
printf("mtd: ECCGETSTATS error (%s)\n", strerror(errno));
return -1;
} else if (after.failed != before.failed) {
printf("mtd: ECC errors (%d soft, %d hard) at 0x%08llx\n",
- after.corrected - before.corrected,
- after.failed - before.failed, pos);
+ after.corrected - before.corrected,
+ after.failed - before.failed, (long long)pos);
// copy the comparison baseline for the next read.
memcpy(&before, &after, sizeof(struct mtd_ecc_stats));
} else if ((mgbb = ioctl(fd, MEMGETBADBLOCK, &pos))) {
fprintf(stderr,
"mtd: MEMGETBADBLOCK returned %d at 0x%08llx: %s\n",
- mgbb, pos, strerror(errno));
+ mgbb, (long long)pos, strerror(errno));
} else {
return 0; // Success!
}
diff --git a/print_sha1.h b/print_sha1.h
new file mode 100644
index 000000000..9e37c5fe3
--- /dev/null
+++ b/print_sha1.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+
+#ifndef RECOVERY_PRINT_SHA1_H
+#define RECOVERY_PRINT_SHA1_H
+
+#include <stdint.h>
+#include <string>
+
+#include "mincrypt/sha.h"
+
+static std::string print_sha1(const uint8_t sha1[SHA_DIGEST_SIZE], size_t len) {
+ const char* hex = "0123456789abcdef";
+ std::string result = "";
+ for (size_t i = 0; i < len; ++i) {
+ result.push_back(hex[(sha1[i]>>4) & 0xf]);
+ result.push_back(hex[sha1[i] & 0xf]);
+ }
+ return result;
+}
+
+static std::string print_sha1(const uint8_t sha1[SHA_DIGEST_SIZE]) {
+ return print_sha1(sha1, SHA_DIGEST_SIZE);
+}
+
+static std::string short_sha1(const uint8_t sha1[SHA_DIGEST_SIZE]) {
+ return print_sha1(sha1, 4);
+}
+
+#endif // RECOVERY_PRINT_SHA1_H
diff --git a/recovery.cpp b/recovery.cpp
index a0c74524e..5f3bfca43 100644
--- a/recovery.cpp
+++ b/recovery.cpp
@@ -31,24 +31,26 @@
#include <time.h>
#include <unistd.h>
+#include <chrono>
+
+#include <adb.h>
#include <base/file.h>
#include <base/stringprintf.h>
+#include <cutils/android_reboot.h>
+#include <cutils/properties.h>
+#include "adb_install.h"
#include "bootloader.h"
#include "common.h"
-#include "cutils/properties.h"
-#include "cutils/android_reboot.h"
+#include "device.h"
+#include "fuse_sdcard_provider.h"
+#include "fuse_sideload.h"
#include "install.h"
#include "minui/minui.h"
#include "minzip/DirUtil.h"
#include "roots.h"
#include "ui.h"
#include "screen_ui.h"
-#include "device.h"
-#include "adb_install.h"
-#include "adb.h"
-#include "fuse_sideload.h"
-#include "fuse_sdcard_provider.h"
struct selabel_handle *sehandle;
@@ -151,8 +153,7 @@ static const int MAX_ARG_LENGTH = 4096;
static const int MAX_ARGS = 100;
// open a given path, mounting partitions as necessary
-FILE*
-fopen_path(const char *path, const char *mode) {
+FILE* fopen_path(const char *path, const char *mode) {
if (ensure_path_mounted(path) != 0) {
LOGE("Can't mount %s\n", path);
return NULL;
@@ -166,23 +167,102 @@ fopen_path(const char *path, const char *mode) {
return fp;
}
+// close a file, log an error if the error indicator is set
+static void check_and_fclose(FILE *fp, const char *name) {
+ fflush(fp);
+ if (ferror(fp)) LOGE("Error in %s\n(%s)\n", name, strerror(errno));
+ fclose(fp);
+}
+
bool is_ro_debuggable() {
char value[PROPERTY_VALUE_MAX+1];
return (property_get("ro.debuggable", value, NULL) == 1 && value[0] == '1');
}
static void redirect_stdio(const char* filename) {
- // If these fail, there's not really anywhere to complain...
- freopen(filename, "a", stdout); setbuf(stdout, NULL);
- freopen(filename, "a", stderr); setbuf(stderr, NULL);
-}
+ int pipefd[2];
+ if (pipe(pipefd) == -1) {
+ LOGE("pipe failed: %s\n", strerror(errno));
-// close a file, log an error if the error indicator is set
-static void
-check_and_fclose(FILE *fp, const char *name) {
- fflush(fp);
- if (ferror(fp)) LOGE("Error in %s\n(%s)\n", name, strerror(errno));
- fclose(fp);
+ // Fall back to traditional logging mode without timestamps.
+ // If these fail, there's not really anywhere to complain...
+ freopen(filename, "a", stdout); setbuf(stdout, NULL);
+ freopen(filename, "a", stderr); setbuf(stderr, NULL);
+
+ return;
+ }
+
+ pid_t pid = fork();
+ if (pid == -1) {
+ LOGE("fork failed: %s\n", strerror(errno));
+
+ // Fall back to traditional logging mode without timestamps.
+ // If these fail, there's not really anywhere to complain...
+ freopen(filename, "a", stdout); setbuf(stdout, NULL);
+ freopen(filename, "a", stderr); setbuf(stderr, NULL);
+
+ return;
+ }
+
+ if (pid == 0) {
+ /// Close the unused write end.
+ close(pipefd[1]);
+
+ auto start = std::chrono::steady_clock::now();
+
+ // Child logger to actually write to the log file.
+ FILE* log_fp = fopen(filename, "a");
+ if (log_fp == nullptr) {
+ LOGE("fopen \"%s\" failed: %s\n", filename, strerror(errno));
+ close(pipefd[0]);
+ _exit(1);
+ }
+
+ FILE* pipe_fp = fdopen(pipefd[0], "r");
+ if (pipe_fp == nullptr) {
+ LOGE("fdopen failed: %s\n", strerror(errno));
+ check_and_fclose(log_fp, filename);
+ close(pipefd[0]);
+ _exit(1);
+ }
+
+ char* line = nullptr;
+ size_t len = 0;
+ while (getline(&line, &len, pipe_fp) != -1) {
+ auto now = std::chrono::steady_clock::now();
+ double duration = std::chrono::duration_cast<std::chrono::duration<double>>(
+ now - start).count();
+ if (line[0] == '\n') {
+ fprintf(log_fp, "[%12.6lf]\n", duration);
+ } else {
+ fprintf(log_fp, "[%12.6lf] %s", duration, line);
+ }
+ fflush(log_fp);
+ }
+
+ LOGE("getline failed: %s\n", strerror(errno));
+
+ free(line);
+ check_and_fclose(log_fp, filename);
+ close(pipefd[0]);
+ _exit(1);
+ } else {
+ // Redirect stdout/stderr to the logger process.
+ // Close the unused read end.
+ close(pipefd[0]);
+
+ setbuf(stdout, nullptr);
+ setbuf(stderr, nullptr);
+
+ if (dup2(pipefd[1], STDOUT_FILENO) == -1) {
+ LOGE("dup2 stdout failed: %s\n", strerror(errno));
+ }
+ if (dup2(pipefd[1], STDERR_FILENO) == -1) {
+ LOGE("dup2 stderr failed: %s\n", strerror(errno));
+ }
+
+ close(pipefd[1]);
+ }
}
// command line args come from, in decreasing precedence:
@@ -745,10 +825,7 @@ static void choose_recovery_file(Device* device) {
int chosen_item = get_menu_selection(headers, entries, 1, 0, device);
if (strcmp(entries[chosen_item], "Back") == 0) break;
- // TODO: do we need to redirect? ShowFile could just avoid writing to stdio.
- redirect_stdio("/dev/null");
ui->ShowFile(entries[chosen_item]);
- redirect_stdio(TEMPORARY_LOG_FILE);
}
for (size_t i = 0; i < (sizeof(entries) / sizeof(*entries)); i++) {
@@ -767,6 +844,7 @@ static int apply_from_sdcard(Device* device, bool* wipe_cache) {
char* path = browse_directory(SDCARD_ROOT, device);
if (path == NULL) {
ui->Print("\n-- No package file selected.\n");
+ ensure_path_unmounted(SDCARD_ROOT);
return INSTALL_ERROR;
}
@@ -862,9 +940,24 @@ prompt_and_wait(Device* device, int status) {
break;
case Device::MOUNT_SYSTEM:
- if (ensure_path_mounted("/system") != -1) {
- ui->Print("Mounted /system.\n");
+ char system_root_image[PROPERTY_VALUE_MAX];
+ property_get("ro.build.system_root_image", system_root_image, "");
+
+ // For a system image built with the root directory (i.e.
+ // system_root_image == "true"), we mount it to /system_root, and symlink /system
+ // to /system_root/system to make adb shell work (the symlink is created through
+ // the build system).
+ // Bug: 22855115
+ if (strcmp(system_root_image, "true") == 0) {
+ if (ensure_path_mounted_at("/", "/system_root") != -1) {
+ ui->Print("Mounted /system.\n");
+ }
+ } else {
+ if (ensure_path_mounted("/system") != -1) {
+ ui->Print("Mounted /system.\n");
+ }
}
+
break;
}
}
@@ -914,10 +1007,6 @@ ui_print(const char* format, ...) {
int
main(int argc, char **argv) {
- time_t start = time(NULL);
-
- redirect_stdio(TEMPORARY_LOG_FILE);
-
// If this binary is started with the single argument "--adbd",
// instead of being the normal recovery binary, it turns into kind
// of a stripped-down version of adbd that only supports the
@@ -926,10 +1015,16 @@ main(int argc, char **argv) {
// only way recovery should be run with this argument is when it
// starts a copy of itself from the apply_from_adb() function.
if (argc == 2 && strcmp(argv[1], "--adbd") == 0) {
- adb_main(0, DEFAULT_ADB_PORT);
+ adb_main(0, DEFAULT_ADB_PORT, -1);
return 0;
}
+ time_t start = time(NULL);
+
+ // redirect_stdio should be called only in non-sideload mode. Otherwise
+ // we may have two logger instances with different timestamps.
+ redirect_stdio(TEMPORARY_LOG_FILE);
+
printf("Starting recovery (pid %d) on %s", getpid(), ctime(&start));
load_volume_table();
@@ -1020,11 +1115,15 @@ main(int argc, char **argv) {
if (strncmp(update_package, "CACHE:", 6) == 0) {
int len = strlen(update_package) + 10;
char* modified_path = (char*)malloc(len);
- strlcpy(modified_path, "/cache/", len);
- strlcat(modified_path, update_package+6, len);
- printf("(replacing path \"%s\" with \"%s\")\n",
- update_package, modified_path);
- update_package = modified_path;
+ if (modified_path) {
+ strlcpy(modified_path, "/cache/", len);
+ strlcat(modified_path, update_package+6, len);
+ printf("(replacing path \"%s\" with \"%s\")\n",
+ update_package, modified_path);
+ update_package = modified_path;
+ }
+ else
+ printf("modified_path allocation failed\n");
}
}
printf("\n");
@@ -1123,6 +1222,9 @@ main(int argc, char **argv) {
property_set(ANDROID_RB_PROPERTY, "reboot,");
break;
}
- sleep(5); // should reboot before this finishes
+ while (true) {
+ pause();
+ }
+ // Should be unreachable.
return EXIT_SUCCESS;
}
diff --git a/res-560dpi b/res-560dpi
new file mode 120000
index 000000000..8576a9b95
--- /dev/null
+++ b/res-560dpi
@@ -0,0 +1 @@
+res-xxhdpi \ No newline at end of file
diff --git a/roots.cpp b/roots.cpp
index 9288177e7..12c6b5ee2 100644
--- a/roots.cpp
+++ b/roots.cpp
@@ -70,7 +70,8 @@ Volume* volume_for_path(const char* path) {
return fs_mgr_get_entry_for_mount_point(fstab, path);
}
-int ensure_path_mounted(const char* path) {
+// Mount the volume specified by path at the given mount_point.
+int ensure_path_mounted_at(const char* path, const char* mount_point) {
Volume* v = volume_for_path(path);
if (v == NULL) {
LOGE("unknown volume for path [%s]\n", path);
@@ -88,14 +89,18 @@ int ensure_path_mounted(const char* path) {
return -1;
}
+ if (!mount_point) {
+ mount_point = v->mount_point;
+ }
+
const MountedVolume* mv =
- find_mounted_volume_by_mount_point(v->mount_point);
+ find_mounted_volume_by_mount_point(mount_point);
if (mv) {
// volume is already mounted
return 0;
}
- mkdir(v->mount_point, 0755); // in case it doesn't already exist
+ mkdir(mount_point, 0755); // in case it doesn't already exist
if (strcmp(v->fs_type, "yaffs2") == 0) {
// mount an MTD partition as a YAFFS2 filesystem.
@@ -104,25 +109,30 @@ int ensure_path_mounted(const char* path) {
partition = mtd_find_partition_by_name(v->blk_device);
if (partition == NULL) {
LOGE("failed to find \"%s\" partition to mount at \"%s\"\n",
- v->blk_device, v->mount_point);
+ v->blk_device, mount_point);
return -1;
}
- return mtd_mount_partition(partition, v->mount_point, v->fs_type, 0);
+ return mtd_mount_partition(partition, mount_point, v->fs_type, 0);
} else if (strcmp(v->fs_type, "ext4") == 0 ||
strcmp(v->fs_type, "squashfs") == 0 ||
strcmp(v->fs_type, "vfat") == 0) {
- result = mount(v->blk_device, v->mount_point, v->fs_type,
+ result = mount(v->blk_device, mount_point, v->fs_type,
v->flags, v->fs_options);
if (result == 0) return 0;
- LOGE("failed to mount %s (%s)\n", v->mount_point, strerror(errno));
+ LOGE("failed to mount %s (%s)\n", mount_point, strerror(errno));
return -1;
}
- LOGE("unknown fs_type \"%s\" for %s\n", v->fs_type, v->mount_point);
+ LOGE("unknown fs_type \"%s\" for %s\n", v->fs_type, mount_point);
return -1;
}
+int ensure_path_mounted(const char* path) {
+ // Mount at the default mount point.
+ return ensure_path_mounted_at(path, nullptr);
+}
+
int ensure_path_unmounted(const char* path) {
Volume* v = volume_for_path(path);
if (v == NULL) {
diff --git a/roots.h b/roots.h
index 230d9ded3..6e3b24355 100644
--- a/roots.h
+++ b/roots.h
@@ -19,10 +19,6 @@
#include "common.h"
-#ifdef __cplusplus
-extern "C" {
-#endif
-
// Load and parse volume data from /etc/recovery.fstab.
void load_volume_table();
@@ -33,7 +29,10 @@ Volume* volume_for_path(const char* path);
// success (volume is mounted).
int ensure_path_mounted(const char* path);
-// Make sure that the volume 'path' is on is mounted. Returns 0 on
+// Similar to ensure_path_mounted, but allows one to specify the mount_point.
+int ensure_path_mounted_at(const char* path, const char* mount_point);
+
+// Make sure that the volume 'path' is on is unmounted. Returns 0 on
// success (volume is unmounted);
int ensure_path_unmounted(const char* path);
@@ -46,8 +45,4 @@ int format_volume(const char* volume);
// mounted (/tmp and /cache) are mounted. Returns 0 on success.
int setup_install_mounts();
-#ifdef __cplusplus
-}
-#endif
-
#endif // RECOVERY_ROOTS_H_
diff --git a/screen_ui.cpp b/screen_ui.cpp
index ff9591514..f2fda2fb5 100644
--- a/screen_ui.cpp
+++ b/screen_ui.cpp
@@ -30,8 +30,10 @@
#include <vector>
-#include "base/strings.h"
-#include "cutils/properties.h"
+#include <base/strings.h>
+#include <base/stringprintf.h>
+#include <cutils/properties.h>
+
#include "common.h"
#include "device.h"
#include "minui/minui.h"
@@ -506,18 +508,17 @@ void ScreenRecoveryUI::SetStage(int current, int max) {
pthread_mutex_unlock(&updateMutex);
}
-void ScreenRecoveryUI::Print(const char *fmt, ...) {
- char buf[256];
- va_list ap;
- va_start(ap, fmt);
- vsnprintf(buf, 256, fmt, ap);
- va_end(ap);
+void ScreenRecoveryUI::PrintV(const char* fmt, bool copy_to_stdout, va_list ap) {
+ std::string str;
+ android::base::StringAppendV(&str, fmt, ap);
- fputs(buf, stdout);
+ if (copy_to_stdout) {
+ fputs(str.c_str(), stdout);
+ }
pthread_mutex_lock(&updateMutex);
if (text_rows_ > 0 && text_cols_ > 0) {
- for (const char* ptr = buf; *ptr != '\0'; ++ptr) {
+ for (const char* ptr = str.c_str(); *ptr != '\0'; ++ptr) {
if (*ptr == '\n' || text_col_ >= text_cols_) {
text_[text_row_][text_col_] = '\0';
text_col_ = 0;
@@ -532,6 +533,20 @@ void ScreenRecoveryUI::Print(const char *fmt, ...) {
pthread_mutex_unlock(&updateMutex);
}
+void ScreenRecoveryUI::Print(const char* fmt, ...) {
+ va_list ap;
+ va_start(ap, fmt);
+ PrintV(fmt, true, ap);
+ va_end(ap);
+}
+
+void ScreenRecoveryUI::PrintOnScreenOnly(const char *fmt, ...) {
+ va_list ap;
+ va_start(ap, fmt);
+ PrintV(fmt, false, ap);
+ va_end(ap);
+}
+
void ScreenRecoveryUI::PutChar(char ch) {
pthread_mutex_lock(&updateMutex);
if (ch != '\n') text_[text_row_][text_col_++] = ch;
@@ -566,7 +581,7 @@ void ScreenRecoveryUI::ShowFile(FILE* fp) {
bool show_prompt = false;
while (true) {
if (show_prompt) {
- Print("--(%d%% of %d bytes)--",
+ PrintOnScreenOnly("--(%d%% of %d bytes)--",
static_cast<int>(100 * (double(ftell(fp)) / double(sb.st_size))),
static_cast<int>(sb.st_size));
Redraw();
diff --git a/screen_ui.h b/screen_ui.h
index ea05bf15f..8e18864d7 100644
--- a/screen_ui.h
+++ b/screen_ui.h
@@ -49,6 +49,7 @@ class ScreenRecoveryUI : public RecoveryUI {
// printing messages
void Print(const char* fmt, ...) __printflike(2, 3);
+ void PrintOnScreenOnly(const char* fmt, ...) __printflike(2, 3);
void ShowFile(const char* filename);
// menu display
@@ -125,6 +126,7 @@ class ScreenRecoveryUI : public RecoveryUI {
void ProgressThreadLoop();
void ShowFile(FILE*);
+ void PrintV(const char*, bool, va_list);
void PutChar(char);
void ClearText();
diff --git a/ui.cpp b/ui.cpp
index 1a0b079cc..2efb759db 100644
--- a/ui.cpp
+++ b/ui.cpp
@@ -28,6 +28,7 @@
#include <time.h>
#include <unistd.h>
+#include <cutils/properties.h>
#include <cutils/android_reboot.h>
#include "common.h"
@@ -174,7 +175,8 @@ void RecoveryUI::ProcessKey(int key_code, int updown) {
case RecoveryUI::REBOOT:
if (reboot_enabled) {
- android_reboot(ANDROID_RB_RESTART, 0, 0);
+ property_set(ANDROID_RB_PROPERTY, "reboot,");
+ while (true) { pause(); }
}
break;
diff --git a/ui.h b/ui.h
index 4dcaa0f8d..ca72911db 100644
--- a/ui.h
+++ b/ui.h
@@ -62,8 +62,10 @@ class RecoveryUI {
virtual bool WasTextEverVisible() = 0;
// Write a message to the on-screen log (shown if the user has
- // toggled on the text display).
+ // toggled on the text display). Print() will also dump the message
+ // to stdout / log file, while PrintOnScreenOnly() not.
virtual void Print(const char* fmt, ...) __printflike(2, 3) = 0;
+ virtual void PrintOnScreenOnly(const char* fmt, ...) __printflike(2, 3) = 0;
virtual void ShowFile(const char* filename) = 0;
diff --git a/uncrypt/Android.mk b/uncrypt/Android.mk
index e73c8f1b6..6422cb2f4 100644
--- a/uncrypt/Android.mk
+++ b/uncrypt/Android.mk
@@ -20,8 +20,12 @@ LOCAL_CLANG := true
LOCAL_SRC_FILES := uncrypt.cpp
+LOCAL_C_INCLUDES := $(LOCAL_PATH)/..
+
LOCAL_MODULE := uncrypt
LOCAL_STATIC_LIBRARIES := libbase liblog libfs_mgr libcutils
+LOCAL_INIT_RC := uncrypt.rc
+
include $(BUILD_EXECUTABLE)
diff --git a/uncrypt/uncrypt.cpp b/uncrypt/uncrypt.cpp
index 46da86d61..4956cc297 100644
--- a/uncrypt/uncrypt.cpp
+++ b/uncrypt/uncrypt.cpp
@@ -51,13 +51,19 @@
#include <sys/types.h>
#include <unistd.h>
+#include <memory>
+
#include <base/file.h>
#include <base/strings.h>
+#include <cutils/android_reboot.h>
#include <cutils/properties.h>
#include <fs_mgr.h>
+
#define LOG_TAG "uncrypt"
#include <log/log.h>
+#include "unique_fd.h"
+
#define WINDOW_SIZE 5
static const std::string cache_block_map = "/cache/recovery/block.map";
@@ -180,7 +186,7 @@ static int produce_block_map(const char* path, const char* map_file, const char*
ALOGE("failed to open %s\n", map_file);
return -1;
}
- FILE* mapf = fdopen(mapfd, "w");
+ std::unique_ptr<FILE, int(*)(FILE*)> mapf(fdopen(mapfd, "w"), fclose);
// Make sure we can write to the status_file.
if (!android::base::WriteStringToFd("0\n", status_fd)) {
@@ -189,8 +195,7 @@ static int produce_block_map(const char* path, const char* map_file, const char*
}
struct stat sb;
- int ret = stat(path, &sb);
- if (ret != 0) {
+ if (stat(path, &sb) != 0) {
ALOGE("failed to stat %s\n", path);
return -1;
}
@@ -206,7 +211,8 @@ static int produce_block_map(const char* path, const char* map_file, const char*
ranges[0] = -1;
ranges[1] = -1;
- fprintf(mapf, "%s\n%lld %lu\n", blk_dev, (long long)sb.st_size, (unsigned long)sb.st_blksize);
+ fprintf(mapf.get(), "%s\n%lld %lu\n",
+ blk_dev, (long long)sb.st_size, (unsigned long)sb.st_blksize);
unsigned char* buffers[WINDOW_SIZE];
if (encrypted) {
@@ -219,15 +225,18 @@ static int produce_block_map(const char* path, const char* map_file, const char*
size_t pos = 0;
int fd = open(path, O_RDONLY);
- if (fd < 0) {
+ unique_fd fd_holder(fd);
+ if (fd == -1) {
ALOGE("failed to open fd for reading: %s\n", strerror(errno));
return -1;
}
int wfd = -1;
+ unique_fd wfd_holder(wfd);
if (encrypted) {
- wfd = open(blk_dev, O_WRONLY | O_SYNC);
- if (wfd < 0) {
+ wfd = open(blk_dev, O_WRONLY);
+ wfd_holder = unique_fd(wfd);
+ if (wfd == -1) {
ALOGE("failed to open fd for writing: %s\n", strerror(errno));
return -1;
}
@@ -245,8 +254,7 @@ static int produce_block_map(const char* path, const char* map_file, const char*
if ((tail+1) % WINDOW_SIZE == head) {
// write out head buffer
int block = head_block;
- ret = ioctl(fd, FIBMAP, &block);
- if (ret != 0) {
+ if (ioctl(fd, FIBMAP, &block) != 0) {
ALOGE("failed to find block %d\n", head_block);
return -1;
}
@@ -286,8 +294,7 @@ static int produce_block_map(const char* path, const char* map_file, const char*
while (head != tail) {
// write out head buffer
int block = head_block;
- ret = ioctl(fd, FIBMAP, &block);
- if (ret != 0) {
+ if (ioctl(fd, FIBMAP, &block) != 0) {
ALOGE("failed to find block %d\n", head_block);
return -1;
}
@@ -302,23 +309,20 @@ static int produce_block_map(const char* path, const char* map_file, const char*
++head_block;
}
- fprintf(mapf, "%d\n", range_used);
+ fprintf(mapf.get(), "%d\n", range_used);
for (int i = 0; i < range_used; ++i) {
- fprintf(mapf, "%d %d\n", ranges[i*2], ranges[i*2+1]);
+ fprintf(mapf.get(), "%d %d\n", ranges[i*2], ranges[i*2+1]);
}
if (fsync(mapfd) == -1) {
ALOGE("failed to fsync \"%s\": %s\n", map_file, strerror(errno));
return -1;
}
- fclose(mapf);
- close(fd);
if (encrypted) {
if (fsync(wfd) == -1) {
ALOGE("failed to fsync \"%s\": %s\n", blk_dev, strerror(errno));
return -1;
}
- close(wfd);
}
return 0;
@@ -331,6 +335,8 @@ static void wipe_misc() {
if (!v->mount_point) continue;
if (strcmp(v->mount_point, "/misc") == 0) {
int fd = open(v->blk_device, O_WRONLY | O_SYNC);
+ unique_fd fd_holder(fd);
+
uint8_t zeroes[1088]; // sizeof(bootloader_message) from recovery
memset(zeroes, 0, sizeof(zeroes));
@@ -347,10 +353,8 @@ static void wipe_misc() {
}
if (fsync(fd) == -1) {
ALOGE("failed to fsync \"%s\": %s\n", v->blk_device, strerror(errno));
- close(fd);
return;
}
- close(fd);
}
}
}
@@ -358,7 +362,9 @@ static void wipe_misc() {
static void reboot_to_recovery() {
ALOGI("rebooting to recovery");
property_set("sys.powerctl", "reboot,recovery");
- sleep(10);
+ while (true) {
+ pause();
+ }
ALOGE("reboot didn't succeed?");
}
@@ -433,6 +439,7 @@ int main(int argc, char** argv) {
ALOGE("failed to open pipe \"%s\": %s\n", status_file.c_str(), strerror(errno));
return 1;
}
+ unique_fd status_fd_holder(status_fd);
if (argc == 3) {
// when command-line args are given this binary is being used
@@ -443,7 +450,6 @@ int main(int argc, char** argv) {
std::string package;
if (!find_uncrypt_package(package)) {
android::base::WriteStringToFd("-1\n", status_fd);
- close(status_fd);
return 1;
}
input_path = package.c_str();
@@ -453,12 +459,10 @@ int main(int argc, char** argv) {
int status = uncrypt(input_path, map_file, status_fd);
if (status != 0) {
android::base::WriteStringToFd("-1\n", status_fd);
- close(status_fd);
return 1;
}
android::base::WriteStringToFd("100\n", status_fd);
- close(status_fd);
}
return 0;
diff --git a/uncrypt/uncrypt.rc b/uncrypt/uncrypt.rc
new file mode 100644
index 000000000..5f4c47936
--- /dev/null
+++ b/uncrypt/uncrypt.rc
@@ -0,0 +1,9 @@
+service uncrypt /system/bin/uncrypt
+ class main
+ disabled
+ oneshot
+
+service pre-recovery /system/bin/uncrypt --reboot
+ class main
+ disabled
+ oneshot
diff --git a/unique_fd.h b/unique_fd.h
new file mode 100644
index 000000000..cc85383f8
--- /dev/null
+++ b/unique_fd.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+
+#ifndef UNIQUE_FD_H
+#define UNIQUE_FD_H
+
+#include <stdio.h>
+
+#include <memory>
+
+class unique_fd {
+ public:
+ unique_fd(int fd) : fd_(fd) { }
+
+ unique_fd(unique_fd&& uf) {
+ fd_ = uf.fd_;
+ uf.fd_ = -1;
+ }
+
+ ~unique_fd() {
+ if (fd_ != -1) {
+ close(fd_);
+ }
+ }
+
+ int get() {
+ return fd_;
+ }
+
+ // Movable.
+ unique_fd& operator=(unique_fd&& uf) {
+ fd_ = uf.fd_;
+ uf.fd_ = -1;
+ return *this;
+ }
+
+ explicit operator bool() const {
+ return fd_ != -1;
+ }
+
+ private:
+ int fd_;
+
+ // Non-copyable.
+ unique_fd(const unique_fd&) = delete;
+ unique_fd& operator=(const unique_fd&) = delete;
+};
+
+#endif // UNIQUE_FD_H
diff --git a/updater/Android.mk b/updater/Android.mk
index 82fa7e265..dcf437474 100644
--- a/updater/Android.mk
+++ b/updater/Android.mk
@@ -33,12 +33,13 @@ LOCAL_CLANG := true
LOCAL_SRC_FILES := $(updater_src_files)
+LOCAL_STATIC_LIBRARIES += libfec libfec_rs libext4_utils_static libsquashfs_utils libcrypto_static
+
ifeq ($(TARGET_USERIMAGES_USE_EXT4), true)
LOCAL_CFLAGS += -DUSE_EXT4
LOCAL_CFLAGS += -Wno-unused-parameter
LOCAL_C_INCLUDES += system/extras/ext4_utils
LOCAL_STATIC_LIBRARIES += \
- libext4_utils_static \
libsparse_static \
libz
endif
diff --git a/updater/blockimg.cpp b/updater/blockimg.cpp
index 310bbf94c..dd6cf0d96 100644
--- a/updater/blockimg.cpp
+++ b/updater/blockimg.cpp
@@ -19,7 +19,6 @@
#include <dirent.h>
#include <fcntl.h>
#include <inttypes.h>
-#include <libgen.h>
#include <linux/fs.h>
#include <pthread.h>
#include <stdarg.h>
@@ -32,11 +31,21 @@
#include <sys/ioctl.h>
#include <time.h>
#include <unistd.h>
+#include <fec/io.h>
+
+#include <memory>
+#include <string>
+#include <vector>
+
+#include <base/parseint.h>
+#include <base/strings.h>
#include "applypatch/applypatch.h"
#include "edify/expr.h"
#include "mincrypt/sha.h"
#include "minzip/Hash.h"
+#include "print_sha1.h"
+#include "unique_fd.h"
#include "updater.h"
#define BLOCKSIZE 4096
@@ -50,123 +59,87 @@
#define STASH_DIRECTORY_MODE 0700
#define STASH_FILE_MODE 0600
-char* PrintSha1(const uint8_t* digest);
+struct RangeSet {
+ size_t count; // Limit is INT_MAX.
+ size_t size;
+ std::vector<size_t> pos; // Actual limit is INT_MAX.
+};
-typedef struct {
- int count;
- int size;
- int pos[0];
-} RangeSet;
+static void parse_range(const char* range_text, RangeSet& rs) {
-#define RANGESET_MAX_POINTS \
- ((int)((INT_MAX / sizeof(int)) - sizeof(RangeSet)))
+ if (range_text == nullptr) {
+ fprintf(stderr, "failed to parse range: null range\n");
+ exit(1);
+ }
-static RangeSet* parse_range(char* text) {
- char* save;
- char* token;
- int num;
+ std::vector<std::string> pieces = android::base::Split(std::string(range_text), ",");
long int val;
- RangeSet* out = NULL;
- size_t bufsize;
- if (!text) {
+ if (pieces.size() < 3) {
goto err;
}
- token = strtok_r(text, ",", &save);
-
- if (!token) {
+ size_t num;
+ if (!android::base::ParseUint(pieces[0].c_str(), &num, static_cast<size_t>(INT_MAX))) {
goto err;
}
- val = strtol(token, NULL, 0);
-
- if (val < 2 || val > RANGESET_MAX_POINTS) {
- goto err;
- } else if (val % 2) {
+ if (num == 0 || num % 2) {
goto err; // must be even
- }
-
- num = (int) val;
- bufsize = sizeof(RangeSet) + num * sizeof(int);
-
- out = reinterpret_cast<RangeSet*>(malloc(bufsize));
-
- if (!out) {
- fprintf(stderr, "failed to allocate range of %zu bytes\n", bufsize);
+ } else if (num != pieces.size() - 1) {
goto err;
}
- out->count = num / 2;
- out->size = 0;
+ rs.pos.resize(num);
+ rs.count = num / 2;
+ rs.size = 0;
- for (int i = 0; i < num; ++i) {
- token = strtok_r(NULL, ",", &save);
-
- if (!token) {
+ for (size_t i = 0; i < num; i += 2) {
+ if (!android::base::ParseUint(pieces[i+1].c_str(), &rs.pos[i],
+ static_cast<size_t>(INT_MAX))) {
goto err;
}
- val = strtol(token, NULL, 0);
-
- if (val < 0 || val > INT_MAX) {
+ if (!android::base::ParseUint(pieces[i+2].c_str(), &rs.pos[i+1],
+ static_cast<size_t>(INT_MAX))) {
goto err;
}
- out->pos[i] = (int) val;
-
- if (i % 2) {
- if (out->pos[i - 1] >= out->pos[i]) {
- goto err; // empty or negative range
- }
-
- if (out->size > INT_MAX - out->pos[i]) {
- goto err; // overflow
- }
-
- out->size += out->pos[i];
- } else {
- if (out->size < 0) {
- goto err;
- }
+ if (rs.pos[i] >= rs.pos[i+1]) {
+ goto err; // empty or negative range
+ }
- out->size -= out->pos[i];
+ size_t sz = rs.pos[i+1] - rs.pos[i];
+ if (rs.size > SIZE_MAX - sz) {
+ goto err; // overflow
}
- }
- if (out->size <= 0) {
- goto err;
+ rs.size += sz;
}
- return out;
+ return;
err:
- fprintf(stderr, "failed to parse range '%s'\n", text ? text : "NULL");
+ fprintf(stderr, "failed to parse range '%s'\n", range_text);
exit(1);
}
-static int range_overlaps(RangeSet* r1, RangeSet* r2) {
- int i, j, r1_0, r1_1, r2_0, r2_1;
-
- if (!r1 || !r2) {
- return 0;
- }
-
- for (i = 0; i < r1->count; ++i) {
- r1_0 = r1->pos[i * 2];
- r1_1 = r1->pos[i * 2 + 1];
+static bool range_overlaps(const RangeSet& r1, const RangeSet& r2) {
+ for (size_t i = 0; i < r1.count; ++i) {
+ size_t r1_0 = r1.pos[i * 2];
+ size_t r1_1 = r1.pos[i * 2 + 1];
- for (j = 0; j < r2->count; ++j) {
- r2_0 = r2->pos[j * 2];
- r2_1 = r2->pos[j * 2 + 1];
+ for (size_t j = 0; j < r2.count; ++j) {
+ size_t r2_0 = r2.pos[j * 2];
+ size_t r2_1 = r2.pos[j * 2 + 1];
if (!(r2_0 >= r1_1 || r1_0 >= r2_1)) {
- return 1;
+ return true;
}
}
}
- return 0;
+ return false;
}
static int read_all(int fd, uint8_t* data, size_t size) {
@@ -182,6 +155,10 @@ static int read_all(int fd, uint8_t* data, size_t size) {
return 0;
}
+static int read_all(int fd, std::vector<uint8_t>& buffer, size_t size) {
+ return read_all(fd, buffer.data(), size);
+}
+
static int write_all(int fd, const uint8_t* data, size_t size) {
size_t written = 0;
while (written < size) {
@@ -193,14 +170,13 @@ static int write_all(int fd, const uint8_t* data, size_t size) {
written += w;
}
- if (fsync(fd) == -1) {
- fprintf(stderr, "fsync failed: %s\n", strerror(errno));
- return -1;
- }
-
return 0;
}
+static int write_all(int fd, const std::vector<uint8_t>& buffer, size_t size) {
+ return write_all(fd, buffer.data(), size);
+}
+
static bool check_lseek(int fd, off64_t offset, int whence) {
off64_t rc = TEMP_FAILURE_RETRY(lseek64(fd, offset, whence));
if (rc == -1) {
@@ -210,31 +186,26 @@ static bool check_lseek(int fd, off64_t offset, int whence) {
return true;
}
-static void allocate(size_t size, uint8_t** buffer, size_t* buffer_alloc) {
+static void allocate(size_t size, std::vector<uint8_t>& buffer) {
// if the buffer's big enough, reuse it.
- if (size <= *buffer_alloc) return;
+ if (size <= buffer.size()) return;
- free(*buffer);
-
- *buffer = (uint8_t*) malloc(size);
- if (*buffer == NULL) {
- fprintf(stderr, "failed to allocate %zu bytes\n", size);
- exit(1);
- }
- *buffer_alloc = size;
+ buffer.resize(size);
}
-typedef struct {
+struct RangeSinkState {
+ RangeSinkState(RangeSet& rs) : tgt(rs) { };
+
int fd;
- RangeSet* tgt;
- int p_block;
+ const RangeSet& tgt;
+ size_t p_block;
size_t p_remain;
-} RangeSinkState;
+};
static ssize_t RangeSinkWrite(const uint8_t* data, ssize_t size, void* token) {
- RangeSinkState* rss = (RangeSinkState*) token;
+ RangeSinkState* rss = reinterpret_cast<RangeSinkState*>(token);
- if (rss->p_remain <= 0) {
+ if (rss->p_remain == 0) {
fprintf(stderr, "range sink write overrun");
return 0;
}
@@ -260,11 +231,11 @@ static ssize_t RangeSinkWrite(const uint8_t* data, ssize_t size, void* token) {
if (rss->p_remain == 0) {
// move to the next block
++rss->p_block;
- if (rss->p_block < rss->tgt->count) {
- rss->p_remain = (rss->tgt->pos[rss->p_block * 2 + 1] -
- rss->tgt->pos[rss->p_block * 2]) * BLOCKSIZE;
+ if (rss->p_block < rss->tgt.count) {
+ rss->p_remain = (rss->tgt.pos[rss->p_block * 2 + 1] -
+ rss->tgt.pos[rss->p_block * 2]) * BLOCKSIZE;
- if (!check_lseek(rss->fd, (off64_t)rss->tgt->pos[rss->p_block*2] * BLOCKSIZE,
+ if (!check_lseek(rss->fd, (off64_t)rss->tgt.pos[rss->p_block*2] * BLOCKSIZE,
SEEK_SET)) {
break;
}
@@ -300,7 +271,7 @@ static ssize_t RangeSinkWrite(const uint8_t* data, ssize_t size, void* token) {
// condition. When the background thread is done writing, it clears
// rss and signals the condition again.
-typedef struct {
+struct NewThreadInfo {
ZipArchive* za;
const ZipEntry* entry;
@@ -308,16 +279,16 @@ typedef struct {
pthread_mutex_t mu;
pthread_cond_t cv;
-} NewThreadInfo;
+};
static bool receive_new_data(const unsigned char* data, int size, void* cookie) {
- NewThreadInfo* nti = (NewThreadInfo*) cookie;
+ NewThreadInfo* nti = reinterpret_cast<NewThreadInfo*>(cookie);
while (size > 0) {
- // Wait for nti->rss to be non-NULL, indicating some of this
+ // Wait for nti->rss to be non-null, indicating some of this
// data is wanted.
pthread_mutex_lock(&nti->mu);
- while (nti->rss == NULL) {
+ while (nti->rss == nullptr) {
pthread_cond_wait(&nti->cv, &nti->mu);
}
pthread_mutex_unlock(&nti->mu);
@@ -328,11 +299,11 @@ static bool receive_new_data(const unsigned char* data, int size, void* cookie)
data += written;
size -= written;
- if (nti->rss->p_block == nti->rss->tgt->count) {
+ if (nti->rss->p_block == nti->rss->tgt.count) {
// we have written all the bytes desired by this rss.
pthread_mutex_lock(&nti->mu);
- nti->rss = NULL;
+ nti->rss = nullptr;
pthread_cond_broadcast(&nti->cv);
pthread_mutex_unlock(&nti->mu);
}
@@ -344,26 +315,21 @@ static bool receive_new_data(const unsigned char* data, int size, void* cookie)
static void* unzip_new_data(void* cookie) {
NewThreadInfo* nti = (NewThreadInfo*) cookie;
mzProcessZipEntryContents(nti->za, nti->entry, receive_new_data, nti);
- return NULL;
+ return nullptr;
}
-static int ReadBlocks(RangeSet* src, uint8_t* buffer, int fd) {
- int i;
+static int ReadBlocks(const RangeSet& src, std::vector<uint8_t>& buffer, int fd) {
size_t p = 0;
- size_t size;
+ uint8_t* data = buffer.data();
- if (!src || !buffer) {
- return -1;
- }
-
- for (i = 0; i < src->count; ++i) {
- if (!check_lseek(fd, (off64_t) src->pos[i * 2] * BLOCKSIZE, SEEK_SET)) {
+ for (size_t i = 0; i < src.count; ++i) {
+ if (!check_lseek(fd, (off64_t) src.pos[i * 2] * BLOCKSIZE, SEEK_SET)) {
return -1;
}
- size = (src->pos[i * 2 + 1] - src->pos[i * 2]) * BLOCKSIZE;
+ size_t size = (src.pos[i * 2 + 1] - src.pos[i * 2]) * BLOCKSIZE;
- if (read_all(fd, buffer + p, size) == -1) {
+ if (read_all(fd, data + p, size) == -1) {
return -1;
}
@@ -373,23 +339,18 @@ static int ReadBlocks(RangeSet* src, uint8_t* buffer, int fd) {
return 0;
}
-static int WriteBlocks(RangeSet* tgt, uint8_t* buffer, int fd) {
- int i;
- size_t p = 0;
- size_t size;
-
- if (!tgt || !buffer) {
- return -1;
- }
+static int WriteBlocks(const RangeSet& tgt, const std::vector<uint8_t>& buffer, int fd) {
+ const uint8_t* data = buffer.data();
- for (i = 0; i < tgt->count; ++i) {
- if (!check_lseek(fd, (off64_t) tgt->pos[i * 2] * BLOCKSIZE, SEEK_SET)) {
+ size_t p = 0;
+ for (size_t i = 0; i < tgt.count; ++i) {
+ if (!check_lseek(fd, (off64_t) tgt.pos[i * 2] * BLOCKSIZE, SEEK_SET)) {
return -1;
}
- size = (tgt->pos[i * 2 + 1] - tgt->pos[i * 2]) * BLOCKSIZE;
+ size_t size = (tgt.pos[i * 2 + 1] - tgt.pos[i * 2]) * BLOCKSIZE;
- if (write_all(fd, buffer + p, size) == -1) {
+ if (write_all(fd, data + p, size) == -1) {
return -1;
}
@@ -406,541 +367,402 @@ static int WriteBlocks(RangeSet* tgt, uint8_t* buffer, int fd) {
// <src_range> <tgt_range>
//
// The source range is loaded into the provided buffer, reallocating
-// it to make it larger if necessary. The target ranges are returned
-// in *tgt, if tgt is non-NULL.
-
-static int LoadSrcTgtVersion1(char** wordsave, RangeSet** tgt, int* src_blocks,
- uint8_t** buffer, size_t* buffer_alloc, int fd) {
- char* word;
- int rc;
+// it to make it larger if necessary.
- word = strtok_r(NULL, " ", wordsave);
- RangeSet* src = parse_range(word);
+static int LoadSrcTgtVersion1(char** wordsave, RangeSet& tgt, size_t& src_blocks,
+ std::vector<uint8_t>& buffer, int fd) {
+ // <src_range>
+ char* word = strtok_r(nullptr, " ", wordsave);
+ RangeSet src;
+ parse_range(word, src);
- if (tgt != NULL) {
- word = strtok_r(NULL, " ", wordsave);
- *tgt = parse_range(word);
- }
+ // <tgt_range>
+ word = strtok_r(nullptr, " ", wordsave);
+ parse_range(word, tgt);
- allocate(src->size * BLOCKSIZE, buffer, buffer_alloc);
- rc = ReadBlocks(src, *buffer, fd);
- *src_blocks = src->size;
+ allocate(src.size * BLOCKSIZE, buffer);
+ int rc = ReadBlocks(src, buffer, fd);
+ src_blocks = src.size;
- free(src);
return rc;
}
-static int VerifyBlocks(const char *expected, const uint8_t *buffer,
- size_t blocks, int printerror) {
- char* hexdigest = NULL;
- int rc = -1;
+static int VerifyBlocks(const std::string& expected, const std::vector<uint8_t>& buffer,
+ const size_t blocks, bool printerror) {
uint8_t digest[SHA_DIGEST_SIZE];
+ const uint8_t* data = buffer.data();
- if (!expected || !buffer) {
- return rc;
- }
-
- SHA_hash(buffer, blocks * BLOCKSIZE, digest);
- hexdigest = PrintSha1(digest);
+ SHA_hash(data, blocks * BLOCKSIZE, digest);
- if (hexdigest != NULL) {
- rc = strcmp(expected, hexdigest);
+ std::string hexdigest = print_sha1(digest);
- if (rc != 0 && printerror) {
+ if (hexdigest != expected) {
+ if (printerror) {
fprintf(stderr, "failed to verify blocks (expected %s, read %s)\n",
- expected, hexdigest);
+ expected.c_str(), hexdigest.c_str());
}
-
- free(hexdigest);
+ return -1;
}
- return rc;
+ return 0;
}
-static char* GetStashFileName(const char* base, const char* id, const char* postfix) {
- char* fn;
- int len;
- int res;
-
- if (base == NULL) {
- return NULL;
- }
-
- if (id == NULL) {
- id = "";
- }
-
- if (postfix == NULL) {
- postfix = "";
+static std::string GetStashFileName(const std::string& base, const std::string& id,
+ const std::string& postfix) {
+ if (base.empty()) {
+ return "";
}
- len = strlen(STASH_DIRECTORY_BASE) + 1 + strlen(base) + 1 + strlen(id) + strlen(postfix) + 1;
- fn = reinterpret_cast<char*>(malloc(len));
-
- if (fn == NULL) {
- fprintf(stderr, "failed to malloc %d bytes for fn\n", len);
- return NULL;
- }
-
- res = snprintf(fn, len, STASH_DIRECTORY_BASE "/%s/%s%s", base, id, postfix);
-
- if (res < 0 || res >= len) {
- fprintf(stderr, "failed to format file name (return value %d)\n", res);
- free(fn);
- return NULL;
- }
+ std::string fn(STASH_DIRECTORY_BASE);
+ fn += "/" + base + "/" + id + postfix;
return fn;
}
-typedef void (*StashCallback)(const char*, void*);
+typedef void (*StashCallback)(const std::string&, void*);
// Does a best effort enumeration of stash files. Ignores possible non-file
// items in the stash directory and continues despite of errors. Calls the
// 'callback' function for each file and passes 'data' to the function as a
// parameter.
-static void EnumerateStash(const char* dirname, StashCallback callback, void* data) {
- char* fn;
- DIR* directory;
- int len;
- int res;
- struct dirent* item;
-
- if (dirname == NULL || callback == NULL) {
+static void EnumerateStash(const std::string& dirname, StashCallback callback, void* data) {
+ if (dirname.empty() || callback == nullptr) {
return;
}
- directory = opendir(dirname);
+ std::unique_ptr<DIR, int(*)(DIR*)> directory(opendir(dirname.c_str()), closedir);
- if (directory == NULL) {
+ if (directory == nullptr) {
if (errno != ENOENT) {
- fprintf(stderr, "opendir \"%s\" failed: %s\n", dirname, strerror(errno));
+ fprintf(stderr, "opendir \"%s\" failed: %s\n", dirname.c_str(), strerror(errno));
}
return;
}
- while ((item = readdir(directory)) != NULL) {
+ struct dirent* item;
+ while ((item = readdir(directory.get())) != nullptr) {
if (item->d_type != DT_REG) {
continue;
}
- len = strlen(dirname) + 1 + strlen(item->d_name) + 1;
- fn = reinterpret_cast<char*>(malloc(len));
-
- if (fn == NULL) {
- fprintf(stderr, "failed to malloc %d bytes for fn\n", len);
- continue;
- }
-
- res = snprintf(fn, len, "%s/%s", dirname, item->d_name);
-
- if (res < 0 || res >= len) {
- fprintf(stderr, "failed to format file name (return value %d)\n", res);
- free(fn);
- continue;
- }
-
+ std::string fn = dirname + "/" + std::string(item->d_name);
callback(fn, data);
- free(fn);
- }
-
- if (closedir(directory) == -1) {
- fprintf(stderr, "closedir \"%s\" failed: %s\n", dirname, strerror(errno));
}
}
-static void UpdateFileSize(const char* fn, void* data) {
- int* size = (int*) data;
- struct stat st;
-
- if (!fn || !data) {
+static void UpdateFileSize(const std::string& fn, void* data) {
+ if (fn.empty() || !data) {
return;
}
- if (stat(fn, &st) == -1) {
- fprintf(stderr, "stat \"%s\" failed: %s\n", fn, strerror(errno));
+ struct stat sb;
+ if (stat(fn.c_str(), &sb) == -1) {
+ fprintf(stderr, "stat \"%s\" failed: %s\n", fn.c_str(), strerror(errno));
return;
}
- *size += st.st_size;
+ int* size = reinterpret_cast<int*>(data);
+ *size += sb.st_size;
}
// Deletes the stash directory and all files in it. Assumes that it only
// contains files. There is nothing we can do about unlikely, but possible
// errors, so they are merely logged.
-static void DeleteFile(const char* fn, void* data) {
- if (fn) {
- fprintf(stderr, "deleting %s\n", fn);
+static void DeleteFile(const std::string& fn, void* /* data */) {
+ if (!fn.empty()) {
+ fprintf(stderr, "deleting %s\n", fn.c_str());
- if (unlink(fn) == -1 && errno != ENOENT) {
- fprintf(stderr, "unlink \"%s\" failed: %s\n", fn, strerror(errno));
+ if (unlink(fn.c_str()) == -1 && errno != ENOENT) {
+ fprintf(stderr, "unlink \"%s\" failed: %s\n", fn.c_str(), strerror(errno));
}
}
}
-static void DeletePartial(const char* fn, void* data) {
- if (fn && strstr(fn, ".partial") != NULL) {
+static void DeletePartial(const std::string& fn, void* data) {
+ if (android::base::EndsWith(fn, ".partial")) {
DeleteFile(fn, data);
}
}
-static void DeleteStash(const char* base) {
- char* dirname;
-
- if (base == NULL) {
+static void DeleteStash(const std::string& base) {
+ if (base.empty()) {
return;
}
- dirname = GetStashFileName(base, NULL, NULL);
+ fprintf(stderr, "deleting stash %s\n", base.c_str());
- if (dirname == NULL) {
- return;
- }
-
- fprintf(stderr, "deleting stash %s\n", base);
- EnumerateStash(dirname, DeleteFile, NULL);
+ std::string dirname = GetStashFileName(base, "", "");
+ EnumerateStash(dirname, DeleteFile, nullptr);
- if (rmdir(dirname) == -1) {
+ if (rmdir(dirname.c_str()) == -1) {
if (errno != ENOENT && errno != ENOTDIR) {
- fprintf(stderr, "rmdir \"%s\" failed: %s\n", dirname, strerror(errno));
+ fprintf(stderr, "rmdir \"%s\" failed: %s\n", dirname.c_str(), strerror(errno));
}
}
-
- free(dirname);
}
-static int LoadStash(const char* base, const char* id, int verify, int* blocks, uint8_t** buffer,
- size_t* buffer_alloc, int printnoent) {
- char *fn = NULL;
- int blockcount = 0;
- int fd = -1;
- int rc = -1;
- int res;
- struct stat st;
-
- if (!base || !id || !buffer || !buffer_alloc) {
- goto lsout;
+static int LoadStash(const std::string& base, const std::string& id, bool verify, size_t* blocks,
+ std::vector<uint8_t>& buffer, bool printnoent) {
+ if (base.empty()) {
+ return -1;
}
+ size_t blockcount = 0;
+
if (!blocks) {
blocks = &blockcount;
}
- fn = GetStashFileName(base, id, NULL);
-
- if (fn == NULL) {
- goto lsout;
- }
+ std::string fn = GetStashFileName(base, id, "");
- res = stat(fn, &st);
+ struct stat sb;
+ int res = stat(fn.c_str(), &sb);
if (res == -1) {
if (errno != ENOENT || printnoent) {
- fprintf(stderr, "stat \"%s\" failed: %s\n", fn, strerror(errno));
+ fprintf(stderr, "stat \"%s\" failed: %s\n", fn.c_str(), strerror(errno));
}
- goto lsout;
+ return -1;
}
- fprintf(stderr, " loading %s\n", fn);
+ fprintf(stderr, " loading %s\n", fn.c_str());
- if ((st.st_size % BLOCKSIZE) != 0) {
+ if ((sb.st_size % BLOCKSIZE) != 0) {
fprintf(stderr, "%s size %" PRId64 " not multiple of block size %d",
- fn, static_cast<int64_t>(st.st_size), BLOCKSIZE);
- goto lsout;
+ fn.c_str(), static_cast<int64_t>(sb.st_size), BLOCKSIZE);
+ return -1;
}
- fd = TEMP_FAILURE_RETRY(open(fn, O_RDONLY));
+ int fd = TEMP_FAILURE_RETRY(open(fn.c_str(), O_RDONLY));
+ unique_fd fd_holder(fd);
if (fd == -1) {
- fprintf(stderr, "open \"%s\" failed: %s\n", fn, strerror(errno));
- goto lsout;
- }
-
- allocate(st.st_size, buffer, buffer_alloc);
-
- if (read_all(fd, *buffer, st.st_size) == -1) {
- goto lsout;
+ fprintf(stderr, "open \"%s\" failed: %s\n", fn.c_str(), strerror(errno));
+ return -1;
}
- *blocks = st.st_size / BLOCKSIZE;
+ allocate(sb.st_size, buffer);
- if (verify && VerifyBlocks(id, *buffer, *blocks, 1) != 0) {
- fprintf(stderr, "unexpected contents in %s\n", fn);
- DeleteFile(fn, NULL);
- goto lsout;
+ if (read_all(fd, buffer, sb.st_size) == -1) {
+ return -1;
}
- rc = 0;
+ *blocks = sb.st_size / BLOCKSIZE;
-lsout:
- if (fd != -1) {
- close(fd);
- }
-
- if (fn) {
- free(fn);
+ if (verify && VerifyBlocks(id, buffer, *blocks, true) != 0) {
+ fprintf(stderr, "unexpected contents in %s\n", fn.c_str());
+ DeleteFile(fn, nullptr);
+ return -1;
}
- return rc;
+ return 0;
}
-static int WriteStash(const char* base, const char* id, int blocks, uint8_t* buffer,
- int checkspace, int *exists) {
- char *fn = NULL;
- char *cn = NULL;
- int fd = -1;
- int rc = -1;
- int dfd = -1;
- int res;
- struct stat st;
-
- if (base == NULL || buffer == NULL) {
- goto wsout;
+static int WriteStash(const std::string& base, const std::string& id, int blocks,
+ std::vector<uint8_t>& buffer, bool checkspace, bool *exists) {
+ if (base.empty()) {
+ return -1;
}
if (checkspace && CacheSizeCheck(blocks * BLOCKSIZE) != 0) {
fprintf(stderr, "not enough space to write stash\n");
- goto wsout;
+ return -1;
}
- fn = GetStashFileName(base, id, ".partial");
- cn = GetStashFileName(base, id, NULL);
-
- if (fn == NULL || cn == NULL) {
- goto wsout;
- }
+ std::string fn = GetStashFileName(base, id, ".partial");
+ std::string cn = GetStashFileName(base, id, "");
if (exists) {
- res = stat(cn, &st);
+ struct stat sb;
+ int res = stat(cn.c_str(), &sb);
if (res == 0) {
// The file already exists and since the name is the hash of the contents,
// it's safe to assume the contents are identical (accidental hash collisions
// are unlikely)
- fprintf(stderr, " skipping %d existing blocks in %s\n", blocks, cn);
- *exists = 1;
- rc = 0;
- goto wsout;
+ fprintf(stderr, " skipping %d existing blocks in %s\n", blocks, cn.c_str());
+ *exists = true;
+ return 0;
}
- *exists = 0;
+ *exists = false;
}
- fprintf(stderr, " writing %d blocks to %s\n", blocks, cn);
+ fprintf(stderr, " writing %d blocks to %s\n", blocks, cn.c_str());
- fd = TEMP_FAILURE_RETRY(open(fn, O_WRONLY | O_CREAT | O_TRUNC | O_SYNC, STASH_FILE_MODE));
+ int fd = TEMP_FAILURE_RETRY(open(fn.c_str(), O_WRONLY | O_CREAT | O_TRUNC, STASH_FILE_MODE));
+ unique_fd fd_holder(fd);
if (fd == -1) {
- fprintf(stderr, "failed to create \"%s\": %s\n", fn, strerror(errno));
- goto wsout;
+ fprintf(stderr, "failed to create \"%s\": %s\n", fn.c_str(), strerror(errno));
+ return -1;
}
if (write_all(fd, buffer, blocks * BLOCKSIZE) == -1) {
- goto wsout;
+ return -1;
}
if (fsync(fd) == -1) {
- fprintf(stderr, "fsync \"%s\" failed: %s\n", fn, strerror(errno));
- goto wsout;
+ fprintf(stderr, "fsync \"%s\" failed: %s\n", fn.c_str(), strerror(errno));
+ return -1;
}
- if (rename(fn, cn) == -1) {
- fprintf(stderr, "rename(\"%s\", \"%s\") failed: %s\n", fn, cn, strerror(errno));
- goto wsout;
+ if (rename(fn.c_str(), cn.c_str()) == -1) {
+ fprintf(stderr, "rename(\"%s\", \"%s\") failed: %s\n", fn.c_str(), cn.c_str(),
+ strerror(errno));
+ return -1;
}
- const char* dname;
- dname = dirname(cn);
- dfd = TEMP_FAILURE_RETRY(open(dname, O_RDONLY | O_DIRECTORY));
+ std::string dname = GetStashFileName(base, "", "");
+ int dfd = TEMP_FAILURE_RETRY(open(dname.c_str(), O_RDONLY | O_DIRECTORY));
+ unique_fd dfd_holder(dfd);
if (dfd == -1) {
- fprintf(stderr, "failed to open \"%s\" failed: %s\n", dname, strerror(errno));
- goto wsout;
+ fprintf(stderr, "failed to open \"%s\" failed: %s\n", dname.c_str(), strerror(errno));
+ return -1;
}
if (fsync(dfd) == -1) {
- fprintf(stderr, "fsync \"%s\" failed: %s\n", dname, strerror(errno));
- goto wsout;
- }
-
- rc = 0;
-
-wsout:
- if (fd != -1) {
- close(fd);
- }
-
- if (dfd != -1) {
- close(dfd);
- }
-
- if (fn) {
- free(fn);
- }
-
- if (cn) {
- free(cn);
+ fprintf(stderr, "fsync \"%s\" failed: %s\n", dname.c_str(), strerror(errno));
+ return -1;
}
- return rc;
+ return 0;
}
// Creates a directory for storing stash files and checks if the /cache partition
// hash enough space for the expected amount of blocks we need to store. Returns
// >0 if we created the directory, zero if it existed already, and <0 of failure.
-static int CreateStash(State* state, int maxblocks, const char* blockdev, char** base) {
- char* dirname = NULL;
- const uint8_t* digest;
- int rc = -1;
- int res;
- int size = 0;
- SHA_CTX ctx;
- struct stat st;
-
- if (blockdev == NULL || base == NULL) {
- goto csout;
+static int CreateStash(State* state, int maxblocks, const char* blockdev, std::string& base) {
+ if (blockdev == nullptr) {
+ return -1;
}
// Stash directory should be different for each partition to avoid conflicts
// when updating multiple partitions at the same time, so we use the hash of
// the block device name as the base directory
+ SHA_CTX ctx;
SHA_init(&ctx);
SHA_update(&ctx, blockdev, strlen(blockdev));
- digest = SHA_final(&ctx);
- *base = PrintSha1(digest);
-
- if (*base == NULL) {
- goto csout;
- }
-
- dirname = GetStashFileName(*base, NULL, NULL);
-
- if (dirname == NULL) {
- goto csout;
- }
+ const uint8_t* digest = SHA_final(&ctx);
+ base = print_sha1(digest);
- res = stat(dirname, &st);
+ std::string dirname = GetStashFileName(base, "", "");
+ struct stat sb;
+ int res = stat(dirname.c_str(), &sb);
if (res == -1 && errno != ENOENT) {
- ErrorAbort(state, "stat \"%s\" failed: %s\n", dirname, strerror(errno));
- goto csout;
+ ErrorAbort(state, "stat \"%s\" failed: %s\n", dirname.c_str(), strerror(errno));
+ return -1;
} else if (res != 0) {
- fprintf(stderr, "creating stash %s\n", dirname);
- res = mkdir(dirname, STASH_DIRECTORY_MODE);
+ fprintf(stderr, "creating stash %s\n", dirname.c_str());
+ res = mkdir(dirname.c_str(), STASH_DIRECTORY_MODE);
if (res != 0) {
- ErrorAbort(state, "mkdir \"%s\" failed: %s\n", dirname, strerror(errno));
- goto csout;
+ ErrorAbort(state, "mkdir \"%s\" failed: %s\n", dirname.c_str(), strerror(errno));
+ return -1;
}
if (CacheSizeCheck(maxblocks * BLOCKSIZE) != 0) {
ErrorAbort(state, "not enough space for stash\n");
- goto csout;
+ return -1;
}
- rc = 1; // Created directory
- goto csout;
+ return 1; // Created directory
}
- fprintf(stderr, "using existing stash %s\n", dirname);
+ fprintf(stderr, "using existing stash %s\n", dirname.c_str());
// If the directory already exists, calculate the space already allocated to
// stash files and check if there's enough for all required blocks. Delete any
// partially completed stash files first.
- EnumerateStash(dirname, DeletePartial, NULL);
+ EnumerateStash(dirname, DeletePartial, nullptr);
+ int size = 0;
EnumerateStash(dirname, UpdateFileSize, &size);
- size = (maxblocks * BLOCKSIZE) - size;
+ size = maxblocks * BLOCKSIZE - size;
if (size > 0 && CacheSizeCheck(size) != 0) {
ErrorAbort(state, "not enough space for stash (%d more needed)\n", size);
- goto csout;
- }
-
- rc = 0; // Using existing directory
-
-csout:
- if (dirname) {
- free(dirname);
+ return -1;
}
- return rc;
+ return 0; // Using existing directory
}
-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 blocks = 0;
-
- if (!wordsave || !buffer || !buffer_alloc || !isunresumable) {
+static int SaveStash(const std::string& base, char** wordsave, std::vector<uint8_t>& buffer,
+ int fd, bool usehash) {
+ if (!wordsave) {
return -1;
}
- id = strtok_r(NULL, " ", wordsave);
-
- if (id == NULL) {
+ char *id_tok = strtok_r(nullptr, " ", wordsave);
+ if (id_tok == nullptr) {
fprintf(stderr, "missing id field in stash command\n");
return -1;
}
+ std::string id(id_tok);
- if (usehash && LoadStash(base, id, 1, &blocks, buffer, buffer_alloc, 0) == 0) {
+ size_t blocks = 0;
+ if (usehash && LoadStash(base, id, true, &blocks, buffer, false) == 0) {
// Stash file already exists and has expected contents. Do not
// read from source again, as the source may have been already
// overwritten during a previous attempt.
return 0;
}
- if (LoadSrcTgtVersion1(wordsave, NULL, &blocks, buffer, buffer_alloc, fd) == -1) {
+ char* word = strtok_r(nullptr, " ", wordsave);
+ RangeSet src;
+ parse_range(word, src);
+
+ allocate(src.size * BLOCKSIZE, buffer);
+ if (ReadBlocks(src, buffer, fd) == -1) {
return -1;
}
+ blocks = src.size;
- if (usehash && VerifyBlocks(id, *buffer, blocks, 1) != 0) {
+ if (usehash && VerifyBlocks(id, buffer, blocks, true) != 0) {
// Source blocks have unexpected contents. If we actually need this
// data later, this is an unrecoverable error. However, the command
// that uses the data may have already completed previously, so the
// possible failure will occur during source block verification.
- fprintf(stderr, "failed to load source blocks for stash %s\n", id);
+ fprintf(stderr, "failed to load source blocks for stash %s\n", id.c_str());
return 0;
}
- fprintf(stderr, "stashing %d blocks to %s\n", blocks, id);
- return WriteStash(base, id, blocks, *buffer, 0, NULL);
+ fprintf(stderr, "stashing %zu blocks to %s\n", blocks, id.c_str());
+ return WriteStash(base, id, blocks, buffer, false, nullptr);
}
-static int FreeStash(const char* base, const char* id) {
- char *fn = NULL;
-
- if (base == NULL || id == NULL) {
+static int FreeStash(const std::string& base, const char* id) {
+ if (base.empty() || id == nullptr) {
return -1;
}
- fn = GetStashFileName(base, id, NULL);
+ std::string fn = GetStashFileName(base, std::string(id), "");
- if (fn == NULL) {
- return -1;
- }
-
- DeleteFile(fn, NULL);
- free(fn);
+ DeleteFile(fn, nullptr);
return 0;
}
-static void MoveRange(uint8_t* dest, RangeSet* locs, const uint8_t* source) {
+static void MoveRange(std::vector<uint8_t>& dest, const RangeSet& locs,
+ const std::vector<uint8_t>& source) {
// source contains packed data, which we want to move to the
- // locations given in *locs in the dest buffer. source and dest
+ // locations given in locs in the dest buffer. source and dest
// may be the same buffer.
- int start = locs->size;
- int i;
- for (i = locs->count-1; i >= 0; --i) {
- int blocks = locs->pos[i*2+1] - locs->pos[i*2];
+ const uint8_t* from = source.data();
+ uint8_t* to = dest.data();
+ size_t start = locs.size;
+ for (int i = locs.count-1; i >= 0; --i) {
+ size_t blocks = locs.pos[i*2+1] - locs.pos[i*2];
start -= blocks;
- memmove(dest + (locs->pos[i*2] * BLOCKSIZE), source + (start * BLOCKSIZE),
+ memmove(to + (locs.pos[i*2] * BLOCKSIZE), from + (start * BLOCKSIZE),
blocks * BLOCKSIZE);
}
}
@@ -963,63 +785,57 @@ static void MoveRange(uint8_t* dest, RangeSet* locs, const uint8_t* source) {
// reallocated if needed to accommodate the source data. *tgt is the
// target RangeSet. Any stashes required are loaded using LoadStash.
-static int LoadSrcTgtVersion2(char** wordsave, RangeSet** tgt, int* src_blocks,
- uint8_t** buffer, size_t* buffer_alloc, int fd,
- const char* stashbase, int* overlap) {
- char* word;
- char* colonsave;
- char* colon;
- int res;
- RangeSet* locs;
- size_t stashalloc = 0;
- uint8_t* stash = NULL;
-
- if (tgt != NULL) {
- word = strtok_r(NULL, " ", wordsave);
- *tgt = parse_range(word);
- }
+static int LoadSrcTgtVersion2(char** wordsave, RangeSet& tgt, size_t& src_blocks,
+ std::vector<uint8_t>& buffer, int fd, const std::string& stashbase, bool* overlap) {
+ // <tgt_range>
+ char* word = strtok_r(nullptr, " ", wordsave);
+ parse_range(word, tgt);
- word = strtok_r(NULL, " ", wordsave);
- *src_blocks = strtol(word, NULL, 0);
+ // <src_block_count>
+ word = strtok_r(nullptr, " ", wordsave);
+ android::base::ParseUint(word, &src_blocks);
- allocate(*src_blocks * BLOCKSIZE, buffer, buffer_alloc);
+ allocate(src_blocks * BLOCKSIZE, buffer);
- word = strtok_r(NULL, " ", wordsave);
+ // "-" or <src_range> [<src_loc>]
+ word = strtok_r(nullptr, " ", wordsave);
if (word[0] == '-' && word[1] == '\0') {
// no source ranges, only stashes
} else {
- RangeSet* src = parse_range(word);
- res = ReadBlocks(src, *buffer, fd);
+ RangeSet src;
+ parse_range(word, src);
+ int res = ReadBlocks(src, buffer, fd);
- if (overlap && tgt) {
- *overlap = range_overlaps(src, *tgt);
+ if (overlap) {
+ *overlap = range_overlaps(src, tgt);
}
- free(src);
-
if (res == -1) {
return -1;
}
- word = strtok_r(NULL, " ", wordsave);
- if (word == NULL) {
+ word = strtok_r(nullptr, " ", wordsave);
+ if (word == nullptr) {
// no stashes, only source range
return 0;
}
- locs = parse_range(word);
- MoveRange(*buffer, locs, *buffer);
- free(locs);
+ RangeSet locs;
+ parse_range(word, locs);
+ MoveRange(buffer, locs, buffer);
}
- while ((word = strtok_r(NULL, " ", wordsave)) != NULL) {
+ // <[stash_id:stash-range]>
+ char* colonsave;
+ while ((word = strtok_r(nullptr, " ", wordsave)) != nullptr) {
// Each word is a an index into the stash table, a colon, and
// then a rangeset describing where in the source block that
// stashed data should go.
- colonsave = NULL;
- colon = strtok_r(word, ":", &colonsave);
+ colonsave = nullptr;
+ char* colon = strtok_r(word, ":", &colonsave);
- res = LoadStash(stashbase, colon, 0, NULL, &stash, &stashalloc, 1);
+ std::vector<uint8_t> stash;
+ int res = LoadStash(stashbase, std::string(colon), false, nullptr, stash, true);
if (res == -1) {
// These source blocks will fail verification if used later, but we
@@ -1028,39 +844,34 @@ static int LoadSrcTgtVersion2(char** wordsave, RangeSet** tgt, int* src_blocks,
continue;
}
- colon = strtok_r(NULL, ":", &colonsave);
- locs = parse_range(colon);
+ colon = strtok_r(nullptr, ":", &colonsave);
+ RangeSet locs;
+ parse_range(colon, locs);
- MoveRange(*buffer, locs, stash);
- free(locs);
- }
-
- if (stash) {
- free(stash);
+ MoveRange(buffer, locs, stash);
}
return 0;
}
// Parameters for transfer list command functions
-typedef struct {
+struct CommandParameters {
char* cmdname;
char* cpos;
char* freestash;
- char* stashbase;
- int canwrite;
+ std::string stashbase;
+ bool canwrite;
int createdstash;
int fd;
- int foundwrites;
- int isunresumable;
+ bool foundwrites;
+ bool isunresumable;
int version;
- int written;
+ size_t written;
NewThreadInfo nti;
pthread_t thread;
- size_t bufsize;
- uint8_t* buffer;
+ std::vector<uint8_t> buffer;
uint8_t* patch_start;
-} CommandParameters;
+};
// Do a source/target load for move/bsdiff/imgdiff in version 3.
//
@@ -1079,472 +890,363 @@ typedef struct {
// If the return value is 0, source blocks have expected content and the command
// can be performed.
-static int LoadSrcTgtVersion3(CommandParameters* params, RangeSet** tgt, int* src_blocks,
- int onehash, int* overlap) {
- char* srchash = NULL;
- char* tgthash = NULL;
- int stash_exists = 0;
- int rc = -1;
- uint8_t* tgtbuffer = NULL;
+static int LoadSrcTgtVersion3(CommandParameters& params, RangeSet& tgt, size_t& src_blocks,
+ bool onehash, bool& overlap) {
- if (!params|| !tgt || !src_blocks || !overlap) {
- goto v3out;
- }
-
- srchash = strtok_r(NULL, " ", &params->cpos);
-
- if (srchash == NULL) {
+ char* srchash = strtok_r(nullptr, " ", &params.cpos);
+ if (srchash == nullptr) {
fprintf(stderr, "missing source hash\n");
- goto v3out;
+ return -1;
}
+ char* tgthash = nullptr;
if (onehash) {
tgthash = srchash;
} else {
- tgthash = strtok_r(NULL, " ", &params->cpos);
+ tgthash = strtok_r(nullptr, " ", &params.cpos);
- if (tgthash == NULL) {
+ if (tgthash == nullptr) {
fprintf(stderr, "missing target hash\n");
- goto v3out;
+ return -1;
}
}
- if (LoadSrcTgtVersion2(&params->cpos, tgt, src_blocks, &params->buffer, &params->bufsize,
- params->fd, params->stashbase, overlap) == -1) {
- goto v3out;
+ if (LoadSrcTgtVersion2(&params.cpos, tgt, src_blocks, params.buffer, params.fd,
+ params.stashbase, &overlap) == -1) {
+ return -1;
}
- tgtbuffer = (uint8_t*) malloc((*tgt)->size * BLOCKSIZE);
-
- if (tgtbuffer == NULL) {
- fprintf(stderr, "failed to allocate %d bytes\n", (*tgt)->size * BLOCKSIZE);
- goto v3out;
- }
+ std::vector<uint8_t> tgtbuffer(tgt.size * BLOCKSIZE);
- if (ReadBlocks(*tgt, tgtbuffer, params->fd) == -1) {
- goto v3out;
+ if (ReadBlocks(tgt, tgtbuffer, params.fd) == -1) {
+ return -1;
}
- if (VerifyBlocks(tgthash, tgtbuffer, (*tgt)->size, 0) == 0) {
+ if (VerifyBlocks(tgthash, tgtbuffer, tgt.size, false) == 0) {
// Target blocks already have expected content, command should be skipped
- rc = 1;
- goto v3out;
+ return 1;
}
- if (VerifyBlocks(srchash, params->buffer, *src_blocks, 1) == 0) {
+ if (VerifyBlocks(srchash, params.buffer, src_blocks, true) == 0) {
// If source and target blocks overlap, stash the source blocks so we can
// resume from possible write errors
- if (*overlap) {
- fprintf(stderr, "stashing %d overlapping blocks to %s\n", *src_blocks,
- srchash);
+ if (overlap) {
+ fprintf(stderr, "stashing %zu overlapping blocks to %s\n", src_blocks, srchash);
- if (WriteStash(params->stashbase, srchash, *src_blocks, params->buffer, 1,
- &stash_exists) != 0) {
+ bool stash_exists = false;
+ if (WriteStash(params.stashbase, srchash, src_blocks, params.buffer, true,
+ &stash_exists) != 0) {
fprintf(stderr, "failed to stash overlapping source blocks\n");
- goto v3out;
+ return -1;
}
// Can be deleted when the write has completed
if (!stash_exists) {
- params->freestash = srchash;
+ params.freestash = srchash;
}
}
// Source blocks have expected content, command can proceed
- rc = 0;
- goto v3out;
+ return 0;
}
- if (*overlap && LoadStash(params->stashbase, srchash, 1, NULL, &params->buffer,
- &params->bufsize, 1) == 0) {
+ if (overlap && LoadStash(params.stashbase, srchash, true, nullptr, params.buffer, true) == 0) {
// Overlapping source blocks were previously stashed, command can proceed.
// We are recovering from an interrupted command, so we don't know if the
// stash can safely be deleted after this command.
- rc = 0;
- goto v3out;
+ return 0;
}
// Valid source data not available, update cannot be resumed
fprintf(stderr, "partition has unexpected contents\n");
- params->isunresumable = 1;
+ params.isunresumable = true;
-v3out:
- if (tgtbuffer) {
- free(tgtbuffer);
- }
-
- return rc;
+ return -1;
}
-static int PerformCommandMove(CommandParameters* params) {
- int blocks = 0;
- int overlap = 0;
- int rc = -1;
+static int PerformCommandMove(CommandParameters& params) {
+ size_t blocks = 0;
+ bool overlap = false;
int status = 0;
- RangeSet* tgt = NULL;
-
- if (!params) {
- goto pcmout;
- }
+ RangeSet tgt;
- if (params->version == 1) {
- status = LoadSrcTgtVersion1(&params->cpos, &tgt, &blocks, &params->buffer,
- &params->bufsize, params->fd);
- } else if (params->version == 2) {
- status = LoadSrcTgtVersion2(&params->cpos, &tgt, &blocks, &params->buffer,
- &params->bufsize, params->fd, params->stashbase, NULL);
- } else if (params->version >= 3) {
- status = LoadSrcTgtVersion3(params, &tgt, &blocks, 1, &overlap);
+ if (params.version == 1) {
+ status = LoadSrcTgtVersion1(&params.cpos, tgt, blocks, params.buffer, params.fd);
+ } else if (params.version == 2) {
+ status = LoadSrcTgtVersion2(&params.cpos, tgt, blocks, params.buffer, params.fd,
+ params.stashbase, nullptr);
+ } else if (params.version >= 3) {
+ status = LoadSrcTgtVersion3(params, tgt, blocks, true, overlap);
}
if (status == -1) {
fprintf(stderr, "failed to read blocks for move\n");
- goto pcmout;
+ return -1;
}
if (status == 0) {
- params->foundwrites = 1;
- } else if (params->foundwrites) {
- fprintf(stderr, "warning: commands executed out of order [%s]\n", params->cmdname);
+ params.foundwrites = true;
+ } else if (params.foundwrites) {
+ fprintf(stderr, "warning: commands executed out of order [%s]\n", params.cmdname);
}
- if (params->canwrite) {
+ if (params.canwrite) {
if (status == 0) {
- fprintf(stderr, " moving %d blocks\n", blocks);
+ fprintf(stderr, " moving %zu blocks\n", blocks);
- if (WriteBlocks(tgt, params->buffer, params->fd) == -1) {
- goto pcmout;
+ if (WriteBlocks(tgt, params.buffer, params.fd) == -1) {
+ return -1;
}
} else {
- fprintf(stderr, "skipping %d already moved blocks\n", blocks);
+ fprintf(stderr, "skipping %zu already moved blocks\n", blocks);
}
}
- if (params->freestash) {
- FreeStash(params->stashbase, params->freestash);
- params->freestash = NULL;
+ if (params.freestash) {
+ FreeStash(params.stashbase, params.freestash);
+ params.freestash = nullptr;
}
- params->written += tgt->size;
- rc = 0;
-
-pcmout:
- if (tgt) {
- free(tgt);
- }
+ params.written += tgt.size;
- return rc;
+ return 0;
}
-static int PerformCommandStash(CommandParameters* params) {
- if (!params) {
- return -1;
- }
-
- return SaveStash(params->stashbase, &params->cpos, &params->buffer, &params->bufsize,
- params->fd, (params->version >= 3), &params->isunresumable);
+static int PerformCommandStash(CommandParameters& params) {
+ return SaveStash(params.stashbase, &params.cpos, params.buffer, params.fd,
+ (params.version >= 3));
}
-static int PerformCommandFree(CommandParameters* params) {
- if (!params) {
- return -1;
- }
-
- if (params->createdstash || params->canwrite) {
- return FreeStash(params->stashbase, params->cpos);
+static int PerformCommandFree(CommandParameters& params) {
+ if (params.createdstash || params.canwrite) {
+ return FreeStash(params.stashbase, params.cpos);
}
return 0;
}
-static int PerformCommandZero(CommandParameters* params) {
- char* range = NULL;
- int i;
- int j;
- int rc = -1;
- RangeSet* tgt = NULL;
-
- if (!params) {
- goto pczout;
- }
-
- range = strtok_r(NULL, " ", &params->cpos);
+static int PerformCommandZero(CommandParameters& params) {
+ char* range = strtok_r(nullptr, " ", &params.cpos);
- if (range == NULL) {
+ if (range == nullptr) {
fprintf(stderr, "missing target blocks for zero\n");
- goto pczout;
+ return -1;
}
- tgt = parse_range(range);
+ RangeSet tgt;
+ parse_range(range, tgt);
- fprintf(stderr, " zeroing %d blocks\n", tgt->size);
+ fprintf(stderr, " zeroing %zu blocks\n", tgt.size);
- allocate(BLOCKSIZE, &params->buffer, &params->bufsize);
- memset(params->buffer, 0, BLOCKSIZE);
+ allocate(BLOCKSIZE, params.buffer);
+ memset(params.buffer.data(), 0, BLOCKSIZE);
- if (params->canwrite) {
- for (i = 0; i < tgt->count; ++i) {
- if (!check_lseek(params->fd, (off64_t) tgt->pos[i * 2] * BLOCKSIZE, SEEK_SET)) {
- goto pczout;
+ if (params.canwrite) {
+ for (size_t i = 0; i < tgt.count; ++i) {
+ if (!check_lseek(params.fd, (off64_t) tgt.pos[i * 2] * BLOCKSIZE, SEEK_SET)) {
+ return -1;
}
- for (j = tgt->pos[i * 2]; j < tgt->pos[i * 2 + 1]; ++j) {
- if (write_all(params->fd, params->buffer, BLOCKSIZE) == -1) {
- goto pczout;
+ for (size_t j = tgt.pos[i * 2]; j < tgt.pos[i * 2 + 1]; ++j) {
+ if (write_all(params.fd, params.buffer, BLOCKSIZE) == -1) {
+ return -1;
}
}
}
}
- if (params->cmdname[0] == 'z') {
+ if (params.cmdname[0] == 'z') {
// Update only for the zero command, as the erase command will call
// this if DEBUG_ERASE is defined.
- params->written += tgt->size;
- }
-
- rc = 0;
-
-pczout:
- if (tgt) {
- free(tgt);
+ params.written += tgt.size;
}
- return rc;
+ return 0;
}
-static int PerformCommandNew(CommandParameters* params) {
- char* range = NULL;
- int rc = -1;
- RangeSet* tgt = NULL;
- RangeSinkState rss;
-
- if (!params) {
- goto pcnout;
- }
+static int PerformCommandNew(CommandParameters& params) {
+ char* range = strtok_r(nullptr, " ", &params.cpos);
- range = strtok_r(NULL, " ", &params->cpos);
-
- if (range == NULL) {
- goto pcnout;
+ if (range == nullptr) {
+ return -1;
}
- tgt = parse_range(range);
+ RangeSet tgt;
+ parse_range(range, tgt);
- if (params->canwrite) {
- fprintf(stderr, " writing %d blocks of new data\n", tgt->size);
+ if (params.canwrite) {
+ fprintf(stderr, " writing %zu blocks of new data\n", tgt.size);
- rss.fd = params->fd;
- rss.tgt = tgt;
+ RangeSinkState rss(tgt);
+ rss.fd = params.fd;
rss.p_block = 0;
- rss.p_remain = (tgt->pos[1] - tgt->pos[0]) * BLOCKSIZE;
+ rss.p_remain = (tgt.pos[1] - tgt.pos[0]) * BLOCKSIZE;
- if (!check_lseek(params->fd, (off64_t) tgt->pos[0] * BLOCKSIZE, SEEK_SET)) {
- goto pcnout;
+ if (!check_lseek(params.fd, (off64_t) tgt.pos[0] * BLOCKSIZE, SEEK_SET)) {
+ return -1;
}
- pthread_mutex_lock(&params->nti.mu);
- params->nti.rss = &rss;
- pthread_cond_broadcast(&params->nti.cv);
+ pthread_mutex_lock(&params.nti.mu);
+ params.nti.rss = &rss;
+ pthread_cond_broadcast(&params.nti.cv);
- while (params->nti.rss) {
- pthread_cond_wait(&params->nti.cv, &params->nti.mu);
+ while (params.nti.rss) {
+ pthread_cond_wait(&params.nti.cv, &params.nti.mu);
}
- pthread_mutex_unlock(&params->nti.mu);
+ pthread_mutex_unlock(&params.nti.mu);
}
- params->written += tgt->size;
- rc = 0;
+ params.written += tgt.size;
-pcnout:
- if (tgt) {
- free(tgt);
- }
-
- return rc;
+ return 0;
}
-static int PerformCommandDiff(CommandParameters* params) {
- char* logparams = NULL;
- char* value = NULL;
- int blocks = 0;
- int overlap = 0;
- int rc = -1;
- int status = 0;
- RangeSet* tgt = NULL;
- RangeSinkState rss;
- size_t len = 0;
- size_t offset = 0;
- Value patch_value;
+static int PerformCommandDiff(CommandParameters& params) {
- if (!params) {
- goto pcdout;
- }
-
- logparams = strdup(params->cpos);
- value = strtok_r(NULL, " ", &params->cpos);
+ const std::string logparams(params.cpos);
+ char* value = strtok_r(nullptr, " ", &params.cpos);
- if (value == NULL) {
- fprintf(stderr, "missing patch offset for %s\n", params->cmdname);
- goto pcdout;
+ if (value == nullptr) {
+ fprintf(stderr, "missing patch offset for %s\n", params.cmdname);
+ return -1;
}
- offset = strtoul(value, NULL, 0);
+ size_t offset = strtoul(value, nullptr, 0);
- value = strtok_r(NULL, " ", &params->cpos);
+ value = strtok_r(nullptr, " ", &params.cpos);
- if (value == NULL) {
- fprintf(stderr, "missing patch length for %s\n", params->cmdname);
- goto pcdout;
+ if (value == nullptr) {
+ fprintf(stderr, "missing patch length for %s\n", params.cmdname);
+ return -1;
}
- len = strtoul(value, NULL, 0);
+ size_t len = strtoul(value, nullptr, 0);
- if (params->version == 1) {
- status = LoadSrcTgtVersion1(&params->cpos, &tgt, &blocks, &params->buffer,
- &params->bufsize, params->fd);
- } else if (params->version == 2) {
- status = LoadSrcTgtVersion2(&params->cpos, &tgt, &blocks, &params->buffer,
- &params->bufsize, params->fd, params->stashbase, NULL);
- } else if (params->version >= 3) {
- status = LoadSrcTgtVersion3(params, &tgt, &blocks, 0, &overlap);
+ RangeSet tgt;
+ size_t blocks = 0;
+ bool overlap = false;
+ int status = 0;
+ if (params.version == 1) {
+ status = LoadSrcTgtVersion1(&params.cpos, tgt, blocks, params.buffer, params.fd);
+ } else if (params.version == 2) {
+ status = LoadSrcTgtVersion2(&params.cpos, tgt, blocks, params.buffer, params.fd,
+ params.stashbase, nullptr);
+ } else if (params.version >= 3) {
+ status = LoadSrcTgtVersion3(params, tgt, blocks, false, overlap);
}
if (status == -1) {
fprintf(stderr, "failed to read blocks for diff\n");
- goto pcdout;
+ return -1;
}
if (status == 0) {
- params->foundwrites = 1;
- } else if (params->foundwrites) {
- fprintf(stderr, "warning: commands executed out of order [%s]\n", params->cmdname);
+ params.foundwrites = true;
+ } else if (params.foundwrites) {
+ fprintf(stderr, "warning: commands executed out of order [%s]\n", params.cmdname);
}
- if (params->canwrite) {
+ if (params.canwrite) {
if (status == 0) {
- fprintf(stderr, "patching %d blocks to %d\n", blocks, tgt->size);
+ fprintf(stderr, "patching %zu blocks to %zu\n", blocks, tgt.size);
+ Value patch_value;
patch_value.type = VAL_BLOB;
patch_value.size = len;
- patch_value.data = (char*) (params->patch_start + offset);
+ patch_value.data = (char*) (params.patch_start + offset);
- rss.fd = params->fd;
- rss.tgt = tgt;
+ RangeSinkState rss(tgt);
+ rss.fd = params.fd;
rss.p_block = 0;
- rss.p_remain = (tgt->pos[1] - tgt->pos[0]) * BLOCKSIZE;
+ rss.p_remain = (tgt.pos[1] - tgt.pos[0]) * BLOCKSIZE;
- if (!check_lseek(params->fd, (off64_t) tgt->pos[0] * BLOCKSIZE, SEEK_SET)) {
- goto pcdout;
+ if (!check_lseek(params.fd, (off64_t) tgt.pos[0] * BLOCKSIZE, SEEK_SET)) {
+ return -1;
}
- if (params->cmdname[0] == 'i') { // imgdiff
- ApplyImagePatch(params->buffer, blocks * BLOCKSIZE, &patch_value,
- &RangeSinkWrite, &rss, NULL, NULL);
+ if (params.cmdname[0] == 'i') { // imgdiff
+ ApplyImagePatch(params.buffer.data(), blocks * BLOCKSIZE, &patch_value,
+ &RangeSinkWrite, &rss, nullptr, nullptr);
} else {
- ApplyBSDiffPatch(params->buffer, blocks * BLOCKSIZE, &patch_value,
- 0, &RangeSinkWrite, &rss, NULL);
+ ApplyBSDiffPatch(params.buffer.data(), blocks * BLOCKSIZE, &patch_value, 0,
+ &RangeSinkWrite, &rss, nullptr);
}
// We expect the output of the patcher to fill the tgt ranges exactly.
- if (rss.p_block != tgt->count || rss.p_remain != 0) {
+ if (rss.p_block != tgt.count || rss.p_remain != 0) {
fprintf(stderr, "range sink underrun?\n");
}
} else {
- fprintf(stderr, "skipping %d blocks already patched to %d [%s]\n",
- blocks, tgt->size, logparams);
+ fprintf(stderr, "skipping %zu blocks already patched to %zu [%s]\n",
+ blocks, tgt.size, logparams.c_str());
}
}
- if (params->freestash) {
- FreeStash(params->stashbase, params->freestash);
- params->freestash = NULL;
+ if (params.freestash) {
+ FreeStash(params.stashbase, params.freestash);
+ params.freestash = nullptr;
}
- params->written += tgt->size;
- rc = 0;
-
-pcdout:
- if (logparams) {
- free(logparams);
- }
+ params.written += tgt.size;
- if (tgt) {
- free(tgt);
- }
-
- return rc;
+ return 0;
}
-static int PerformCommandErase(CommandParameters* params) {
- char* range = NULL;
- int i;
- int rc = -1;
- RangeSet* tgt = NULL;
- struct stat st;
- uint64_t blocks[2];
-
+static int PerformCommandErase(CommandParameters& params) {
if (DEBUG_ERASE) {
return PerformCommandZero(params);
}
- if (!params) {
- goto pceout;
- }
-
- if (fstat(params->fd, &st) == -1) {
+ struct stat sb;
+ if (fstat(params.fd, &sb) == -1) {
fprintf(stderr, "failed to fstat device to erase: %s\n", strerror(errno));
- goto pceout;
+ return -1;
}
- if (!S_ISBLK(st.st_mode)) {
+ if (!S_ISBLK(sb.st_mode)) {
fprintf(stderr, "not a block device; skipping erase\n");
- goto pceout;
+ return -1;
}
- range = strtok_r(NULL, " ", &params->cpos);
+ char* range = strtok_r(nullptr, " ", &params.cpos);
- if (range == NULL) {
+ if (range == nullptr) {
fprintf(stderr, "missing target blocks for erase\n");
- goto pceout;
+ return -1;
}
- tgt = parse_range(range);
+ RangeSet tgt;
+ parse_range(range, tgt);
- if (params->canwrite) {
- fprintf(stderr, " erasing %d blocks\n", tgt->size);
+ if (params.canwrite) {
+ fprintf(stderr, " erasing %zu blocks\n", tgt.size);
- for (i = 0; i < tgt->count; ++i) {
+ for (size_t i = 0; i < tgt.count; ++i) {
+ uint64_t blocks[2];
// offset in bytes
- blocks[0] = tgt->pos[i * 2] * (uint64_t) BLOCKSIZE;
+ blocks[0] = tgt.pos[i * 2] * (uint64_t) BLOCKSIZE;
// length in bytes
- blocks[1] = (tgt->pos[i * 2 + 1] - tgt->pos[i * 2]) * (uint64_t) BLOCKSIZE;
+ blocks[1] = (tgt.pos[i * 2 + 1] - tgt.pos[i * 2]) * (uint64_t) BLOCKSIZE;
- if (ioctl(params->fd, BLKDISCARD, &blocks) == -1) {
+ if (ioctl(params.fd, BLKDISCARD, &blocks) == -1) {
fprintf(stderr, "BLKDISCARD ioctl failed: %s\n", strerror(errno));
- goto pceout;
+ return -1;
}
}
}
- rc = 0;
-
-pceout:
- if (tgt) {
- free(tgt);
- }
-
- return rc;
+ return 0;
}
// Definitions for transfer list command functions
-typedef int (*CommandFunction)(CommandParameters*);
+typedef int (*CommandFunction)(CommandParameters&);
-typedef struct {
+struct Command {
const char* name;
CommandFunction f;
-} Command;
+};
// CompareCommands and CompareCommandNames are for the hash table
@@ -1574,224 +1276,200 @@ static unsigned int HashString(const char *s) {
// - new data stream (filename within package.zip)
// - patch stream (filename within package.zip, must be uncompressed)
-static Value* PerformBlockImageUpdate(const char* name, State* state, int argc, Expr* argv[],
- const Command* commands, int cmdcount, int dryrun) {
+static Value* PerformBlockImageUpdate(const char* name, State* state, int /* argc */, Expr* argv[],
+ const Command* commands, size_t cmdcount, bool dryrun) {
- char* line = NULL;
- char* linesave = NULL;
- char* logcmd = NULL;
- char* transfer_list = NULL;
CommandParameters params;
- const Command* cmd = NULL;
- const ZipEntry* new_entry = NULL;
- const ZipEntry* patch_entry = NULL;
- FILE* cmd_pipe = NULL;
- HashTable* cmdht = NULL;
- int i;
- int res;
- int rc = -1;
- int stash_max_blocks = 0;
- int total_blocks = 0;
- pthread_attr_t attr;
- unsigned int cmdhash;
- UpdaterInfo* ui = NULL;
- Value* blockdev_filename = NULL;
- Value* new_data_fn = NULL;
- Value* patch_data_fn = NULL;
- Value* transfer_list_value = NULL;
- ZipArchive* za = NULL;
-
memset(&params, 0, sizeof(params));
params.canwrite = !dryrun;
fprintf(stderr, "performing %s\n", dryrun ? "verification" : "update");
+ Value* blockdev_filename = nullptr;
+ Value* transfer_list_value = nullptr;
+ Value* new_data_fn = nullptr;
+ Value* patch_data_fn = nullptr;
if (ReadValueArgs(state, argv, 4, &blockdev_filename, &transfer_list_value,
&new_data_fn, &patch_data_fn) < 0) {
- goto pbiudone;
+ return StringValue(strdup(""));
}
+ std::unique_ptr<Value, decltype(&FreeValue)> blockdev_filename_holder(blockdev_filename,
+ FreeValue);
+ std::unique_ptr<Value, decltype(&FreeValue)> transfer_list_value_holder(transfer_list_value,
+ FreeValue);
+ std::unique_ptr<Value, decltype(&FreeValue)> new_data_fn_holder(new_data_fn, FreeValue);
+ std::unique_ptr<Value, decltype(&FreeValue)> patch_data_fn_holder(patch_data_fn, FreeValue);
if (blockdev_filename->type != VAL_STRING) {
ErrorAbort(state, "blockdev_filename argument to %s must be string", name);
- goto pbiudone;
+ return StringValue(strdup(""));
}
if (transfer_list_value->type != VAL_BLOB) {
ErrorAbort(state, "transfer_list argument to %s must be blob", name);
- goto pbiudone;
+ return StringValue(strdup(""));
}
if (new_data_fn->type != VAL_STRING) {
ErrorAbort(state, "new_data_fn argument to %s must be string", name);
- goto pbiudone;
+ return StringValue(strdup(""));
}
if (patch_data_fn->type != VAL_STRING) {
ErrorAbort(state, "patch_data_fn argument to %s must be string", name);
- goto pbiudone;
+ return StringValue(strdup(""));
}
- ui = (UpdaterInfo*) state->cookie;
+ UpdaterInfo* ui = reinterpret_cast<UpdaterInfo*>(state->cookie);
- if (ui == NULL) {
- goto pbiudone;
+ if (ui == nullptr) {
+ return StringValue(strdup(""));
}
- cmd_pipe = ui->cmd_pipe;
- za = ui->package_zip;
+ FILE* cmd_pipe = ui->cmd_pipe;
+ ZipArchive* za = ui->package_zip;
- if (cmd_pipe == NULL || za == NULL) {
- goto pbiudone;
+ if (cmd_pipe == nullptr || za == nullptr) {
+ return StringValue(strdup(""));
}
- patch_entry = mzFindZipEntry(za, patch_data_fn->data);
-
- if (patch_entry == NULL) {
+ const ZipEntry* patch_entry = mzFindZipEntry(za, patch_data_fn->data);
+ if (patch_entry == nullptr) {
fprintf(stderr, "%s(): no file \"%s\" in package", name, patch_data_fn->data);
- goto pbiudone;
+ return StringValue(strdup(""));
}
params.patch_start = ui->package_zip_addr + mzGetZipEntryOffset(patch_entry);
- new_entry = mzFindZipEntry(za, new_data_fn->data);
-
- if (new_entry == NULL) {
+ const ZipEntry* new_entry = mzFindZipEntry(za, new_data_fn->data);
+ if (new_entry == nullptr) {
fprintf(stderr, "%s(): no file \"%s\" in package", name, new_data_fn->data);
- goto pbiudone;
+ return StringValue(strdup(""));
}
params.fd = TEMP_FAILURE_RETRY(open(blockdev_filename->data, O_RDWR));
+ unique_fd fd_holder(params.fd);
if (params.fd == -1) {
fprintf(stderr, "open \"%s\" failed: %s\n", blockdev_filename->data, strerror(errno));
- goto pbiudone;
+ return StringValue(strdup(""));
}
if (params.canwrite) {
params.nti.za = za;
params.nti.entry = new_entry;
- pthread_mutex_init(&params.nti.mu, NULL);
- pthread_cond_init(&params.nti.cv, NULL);
+ pthread_mutex_init(&params.nti.mu, nullptr);
+ pthread_cond_init(&params.nti.cv, nullptr);
+ pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
int error = pthread_create(&params.thread, &attr, unzip_new_data, &params.nti);
if (error != 0) {
fprintf(stderr, "pthread_create failed: %s\n", strerror(error));
- goto pbiudone;
+ return StringValue(strdup(""));
}
}
// 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 = reinterpret_cast<char*>(malloc(transfer_list_value->size + 1));
-
- if (transfer_list == NULL) {
- fprintf(stderr, "failed to allocate %zd bytes for transfer list\n",
- transfer_list_value->size + 1);
- goto pbiudone;
- }
-
- memcpy(transfer_list, transfer_list_value->data, transfer_list_value->size);
- transfer_list[transfer_list_value->size] = '\0';
+ const std::string transfer_list(transfer_list_value->data, transfer_list_value->size);
+ std::vector<std::string> lines = android::base::Split(transfer_list, "\n");
// First line in transfer list is the version number
- line = strtok_r(transfer_list, "\n", &linesave);
- params.version = strtol(line, NULL, 0);
-
- if (params.version < 1 || params.version > 3) {
- fprintf(stderr, "unexpected transfer list version [%s]\n", line);
- goto pbiudone;
+ if (!android::base::ParseInt(lines[0].c_str(), &params.version, 1, 4)) {
+ fprintf(stderr, "unexpected transfer list version [%s]\n", lines[0].c_str());
+ return StringValue(strdup(""));
}
fprintf(stderr, "blockimg version is %d\n", params.version);
// Second line in transfer list is the total number of blocks we expect to write
- line = strtok_r(NULL, "\n", &linesave);
- total_blocks = strtol(line, NULL, 0);
+ int total_blocks;
+ if (!android::base::ParseInt(lines[1].c_str(), &total_blocks, 0)) {
+ ErrorAbort(state, "unexpected block count [%s]\n", lines[1].c_str());
+ return StringValue(strdup(""));
+ }
- if (total_blocks < 0) {
- ErrorAbort(state, "unexpected block count [%s]\n", line);
- goto pbiudone;
- } else if (total_blocks == 0) {
- rc = 0;
- goto pbiudone;
+ if (total_blocks == 0) {
+ return StringValue(strdup("t"));
}
+ size_t start = 2;
if (params.version >= 2) {
// Third line is how many stash entries are needed simultaneously
- line = strtok_r(NULL, "\n", &linesave);
- fprintf(stderr, "maximum stash entries %s\n", line);
+ fprintf(stderr, "maximum stash entries %s\n", lines[2].c_str());
// Fourth line is the maximum number of blocks that will be stashed simultaneously
- line = strtok_r(NULL, "\n", &linesave);
- stash_max_blocks = strtol(line, NULL, 0);
-
- if (stash_max_blocks < 0) {
- ErrorAbort(state, "unexpected maximum stash blocks [%s]\n", line);
- goto pbiudone;
+ int stash_max_blocks;
+ if (!android::base::ParseInt(lines[3].c_str(), &stash_max_blocks, 0)) {
+ ErrorAbort(state, "unexpected maximum stash blocks [%s]\n", lines[3].c_str());
+ return StringValue(strdup(""));
}
- if (stash_max_blocks >= 0) {
- res = CreateStash(state, stash_max_blocks, blockdev_filename->data,
- &params.stashbase);
-
- if (res == -1) {
- goto pbiudone;
- }
+ int res = CreateStash(state, stash_max_blocks, blockdev_filename->data, params.stashbase);
- params.createdstash = res;
+ if (res == -1) {
+ return StringValue(strdup(""));
}
+
+ params.createdstash = res;
+
+ start += 2;
}
// Build a hash table of the available commands
- cmdht = mzHashTableCreate(cmdcount, NULL);
+ HashTable* cmdht = mzHashTableCreate(cmdcount, nullptr);
+ std::unique_ptr<HashTable, decltype(&mzHashTableFree)> cmdht_holder(cmdht, mzHashTableFree);
- for (i = 0; i < cmdcount; ++i) {
- cmdhash = HashString(commands[i].name);
+ for (size_t i = 0; i < cmdcount; ++i) {
+ unsigned int cmdhash = HashString(commands[i].name);
mzHashTableLookup(cmdht, cmdhash, (void*) &commands[i], CompareCommands, true);
}
+ int rc = -1;
+
// Subsequent lines are all individual transfer commands
- for (line = strtok_r(NULL, "\n", &linesave); line;
- line = strtok_r(NULL, "\n", &linesave)) {
+ for (auto it = lines.cbegin() + start; it != lines.cend(); it++) {
+ const std::string& line_str(*it);
+ if (line_str.empty()) {
+ continue;
+ }
- logcmd = strdup(line);
+ char* line = strdup(line_str.c_str());
params.cmdname = strtok_r(line, " ", &params.cpos);
- if (params.cmdname == NULL) {
+ if (params.cmdname == nullptr) {
fprintf(stderr, "missing command [%s]\n", line);
goto pbiudone;
}
- cmdhash = HashString(params.cmdname);
- cmd = (const Command*) mzHashTableLookup(cmdht, cmdhash, params.cmdname,
- CompareCommandNames, false);
+ unsigned int cmdhash = HashString(params.cmdname);
+ const Command* cmd = reinterpret_cast<const Command*>(mzHashTableLookup(cmdht, cmdhash,
+ params.cmdname, CompareCommandNames, false));
- if (cmd == NULL) {
+ if (cmd == nullptr) {
fprintf(stderr, "unexpected command [%s]\n", params.cmdname);
goto pbiudone;
}
- if (cmd->f != NULL && cmd->f(&params) == -1) {
- fprintf(stderr, "failed to execute command [%s]\n",
- logcmd ? logcmd : params.cmdname);
+ if (cmd->f != nullptr && cmd->f(params) == -1) {
+ fprintf(stderr, "failed to execute command [%s]\n", line_str.c_str());
goto pbiudone;
}
- if (logcmd) {
- free(logcmd);
- logcmd = NULL;
- }
-
if (params.canwrite) {
+ if (fsync(params.fd) == -1) {
+ fprintf(stderr, "fsync failed: %s\n", strerror(errno));
+ goto pbiudone;
+ }
fprintf(cmd_pipe, "set_progress %.4f\n", (double) params.written / total_blocks);
fflush(cmd_pipe);
}
}
if (params.canwrite) {
- pthread_join(params.thread, NULL);
+ pthread_join(params.thread, nullptr);
- fprintf(stderr, "wrote %d blocks; expected %d\n", params.written, total_blocks);
- fprintf(stderr, "max alloc needed was %zu\n", params.bufsize);
+ fprintf(stderr, "wrote %zu blocks; expected %d\n", params.written, total_blocks);
+ fprintf(stderr, "max alloc needed was %zu\n", params.buffer.size());
// Delete stash only after successfully completing the update, as it
// may contain blocks needed to complete the update later.
@@ -1810,48 +1488,12 @@ pbiudone:
close(params.fd);
}
- if (logcmd) {
- free(logcmd);
- }
-
- if (cmdht) {
- mzHashTableFree(cmdht);
- }
-
- if (params.buffer) {
- free(params.buffer);
- }
-
- if (transfer_list) {
- free(transfer_list);
- }
-
- if (blockdev_filename) {
- FreeValue(blockdev_filename);
- }
-
- if (transfer_list_value) {
- FreeValue(transfer_list_value);
- }
-
- if (new_data_fn) {
- FreeValue(new_data_fn);
- }
-
- if (patch_data_fn) {
- FreeValue(patch_data_fn);
- }
-
// Only delete the stash if the update cannot be resumed, or it's
// a verification run and we created the stash.
if (params.isunresumable || (!params.canwrite && params.createdstash)) {
DeleteStash(params.stashbase);
}
- if (params.stashbase) {
- free(params.stashbase);
- }
-
return StringValue(rc == 0 ? strdup("t") : strdup(""));
}
@@ -1909,21 +1551,21 @@ pbiudone:
// the source data.
Value* BlockImageVerifyFn(const char* name, State* state, int argc, Expr* argv[]) {
- // Commands which are not tested are set to NULL to skip them completely
+ // Commands which are not tested are set to nullptr to skip them completely
const Command commands[] = {
{ "bsdiff", PerformCommandDiff },
- { "erase", NULL },
+ { "erase", nullptr },
{ "free", PerformCommandFree },
{ "imgdiff", PerformCommandDiff },
{ "move", PerformCommandMove },
- { "new", NULL },
+ { "new", nullptr },
{ "stash", PerformCommandStash },
- { "zero", NULL }
+ { "zero", nullptr }
};
// Perform a dry run without writing to test if an update can proceed
return PerformBlockImageUpdate(name, state, argc, argv, commands,
- sizeof(commands) / sizeof(commands[0]), 1);
+ sizeof(commands) / sizeof(commands[0]), true);
}
Value* BlockImageUpdateFn(const char* name, State* state, int argc, Expr* argv[]) {
@@ -1939,73 +1581,141 @@ Value* BlockImageUpdateFn(const char* name, State* state, int argc, Expr* argv[]
};
return PerformBlockImageUpdate(name, state, argc, argv, commands,
- sizeof(commands) / sizeof(commands[0]), 0);
+ sizeof(commands) / sizeof(commands[0]), false);
}
-Value* RangeSha1Fn(const char* name, State* state, int argc, Expr* argv[]) {
+Value* RangeSha1Fn(const char* name, State* state, int /* argc */, Expr* argv[]) {
Value* blockdev_filename;
Value* ranges;
- const uint8_t* digest = NULL;
+
if (ReadValueArgs(state, argv, 2, &blockdev_filename, &ranges) < 0) {
- return NULL;
+ return StringValue(strdup(""));
}
+ std::unique_ptr<Value, decltype(&FreeValue)> ranges_holder(ranges, FreeValue);
+ std::unique_ptr<Value, decltype(&FreeValue)> blockdev_filename_holder(blockdev_filename,
+ FreeValue);
if (blockdev_filename->type != VAL_STRING) {
ErrorAbort(state, "blockdev_filename argument to %s must be string", name);
- goto done;
+ return StringValue(strdup(""));
}
if (ranges->type != VAL_STRING) {
ErrorAbort(state, "ranges argument to %s must be string", name);
- goto done;
+ return StringValue(strdup(""));
}
- int fd;
- fd = open(blockdev_filename->data, O_RDWR);
+ int fd = open(blockdev_filename->data, O_RDWR);
+ unique_fd fd_holder(fd);
if (fd < 0) {
ErrorAbort(state, "open \"%s\" failed: %s", blockdev_filename->data, strerror(errno));
- goto done;
+ return StringValue(strdup(""));
}
- RangeSet* rs;
- rs = parse_range(ranges->data);
- uint8_t buffer[BLOCKSIZE];
+ RangeSet rs;
+ parse_range(ranges->data, rs);
SHA_CTX ctx;
SHA_init(&ctx);
- int i, j;
- for (i = 0; i < rs->count; ++i) {
- if (!check_lseek(fd, (off64_t)rs->pos[i*2] * BLOCKSIZE, SEEK_SET)) {
- ErrorAbort(state, "failed to seek %s: %s", blockdev_filename->data,
- strerror(errno));
- goto done;
+ std::vector<uint8_t> buffer(BLOCKSIZE);
+ for (size_t i = 0; i < rs.count; ++i) {
+ if (!check_lseek(fd, (off64_t)rs.pos[i*2] * BLOCKSIZE, SEEK_SET)) {
+ ErrorAbort(state, "failed to seek %s: %s", blockdev_filename->data, strerror(errno));
+ return StringValue(strdup(""));
}
- for (j = rs->pos[i*2]; j < rs->pos[i*2+1]; ++j) {
+ for (size_t j = rs.pos[i*2]; j < rs.pos[i*2+1]; ++j) {
if (read_all(fd, buffer, BLOCKSIZE) == -1) {
ErrorAbort(state, "failed to read %s: %s", blockdev_filename->data,
- strerror(errno));
- goto done;
+ strerror(errno));
+ return StringValue(strdup(""));
}
- SHA_update(&ctx, buffer, BLOCKSIZE);
+ SHA_update(&ctx, buffer.data(), BLOCKSIZE);
}
}
- digest = SHA_final(&ctx);
- close(fd);
+ const uint8_t* digest = SHA_final(&ctx);
+
+ return StringValue(strdup(print_sha1(digest).c_str()));
+}
+
+Value* BlockImageRecoverFn(const char* name, State* state, int argc, Expr* argv[]) {
+ Value* arg_filename;
+ Value* arg_ranges;
+
+ if (ReadValueArgs(state, argv, 2, &arg_filename, &arg_ranges) < 0) {
+ return NULL;
+ }
+
+ std::unique_ptr<Value, decltype(&FreeValue)> filename(arg_filename, FreeValue);
+ std::unique_ptr<Value, decltype(&FreeValue)> ranges(arg_ranges, FreeValue);
- done:
- FreeValue(blockdev_filename);
- FreeValue(ranges);
- if (digest == NULL) {
+ if (filename->type != VAL_STRING) {
+ ErrorAbort(state, "filename argument to %s must be string", name);
+ return StringValue(strdup(""));
+ }
+ if (ranges->type != VAL_STRING) {
+ ErrorAbort(state, "ranges argument to %s must be string", name);
return StringValue(strdup(""));
- } else {
- return StringValue(PrintSha1(digest));
}
+
+ // When opened with O_RDWR, libfec rewrites corrupted blocks when they are read
+ fec::io fh(filename->data, O_RDWR);
+
+ if (!fh) {
+ ErrorAbort(state, "fec_open \"%s\" failed: %s", filename->data, strerror(errno));
+ return StringValue(strdup(""));
+ }
+
+ if (!fh.has_ecc() || !fh.has_verity()) {
+ ErrorAbort(state, "unable to use metadata to correct errors");
+ return StringValue(strdup(""));
+ }
+
+ fec_status status;
+
+ if (!fh.get_status(status)) {
+ ErrorAbort(state, "failed to read FEC status");
+ return StringValue(strdup(""));
+ }
+
+ RangeSet rs;
+ parse_range(ranges->data, rs);
+
+ uint8_t buffer[BLOCKSIZE];
+
+ for (size_t i = 0; i < rs.count; ++i) {
+ for (size_t j = rs.pos[i * 2]; j < rs.pos[i * 2 + 1]; ++j) {
+ // Stay within the data area, libfec validates and corrects metadata
+ if (status.data_size <= (uint64_t)j * BLOCKSIZE) {
+ continue;
+ }
+
+ if (fh.pread(buffer, BLOCKSIZE, (off64_t)j * BLOCKSIZE) != BLOCKSIZE) {
+ ErrorAbort(state, "failed to recover %s (block %d): %s", filename->data,
+ j, strerror(errno));
+ return StringValue(strdup(""));
+ }
+
+ // If we want to be able to recover from a situation where rewriting a corrected
+ // block doesn't guarantee the same data will be returned when re-read later, we
+ // can save a copy of corrected blocks to /cache. Note:
+ //
+ // 1. Maximum space required from /cache is the same as the maximum number of
+ // corrupted blocks we can correct. For RS(255, 253) and a 2 GiB partition,
+ // this would be ~16 MiB, for example.
+ //
+ // 2. To find out if this block was corrupted, call fec_get_status after each
+ // read and check if the errors field value has increased.
+ }
+ }
+
+ return StringValue(strdup("t"));
}
void RegisterBlockImageFunctions() {
RegisterFunction("block_image_verify", BlockImageVerifyFn);
RegisterFunction("block_image_update", BlockImageUpdateFn);
+ RegisterFunction("block_image_recover", BlockImageRecoverFn);
RegisterFunction("range_sha1", RangeSha1Fn);
}
diff --git a/updater/install.cpp b/updater/install.cpp
index a2bc4029f..97e390560 100644
--- a/updater/install.cpp
+++ b/updater/install.cpp
@@ -34,6 +34,10 @@
#include <linux/xattr.h>
#include <inttypes.h>
+#include <base/parseint.h>
+#include <base/strings.h>
+#include <base/stringprintf.h>
+
#include "bootloader.h"
#include "applypatch/applypatch.h"
#include "cutils/android_reboot.h"
@@ -53,23 +57,35 @@
#include "wipe.h"
#endif
-void uiPrint(State* state, char* buffer) {
- char* line = strtok(buffer, "\n");
- UpdaterInfo* ui = (UpdaterInfo*)(state->cookie);
- while (line) {
- fprintf(ui->cmd_pipe, "ui_print %s\n", line);
- line = strtok(NULL, "\n");
+// Send over the buffer to recovery though the command pipe.
+static void uiPrint(State* state, const std::string& buffer) {
+ UpdaterInfo* ui = reinterpret_cast<UpdaterInfo*>(state->cookie);
+
+ // "line1\nline2\n" will be split into 3 tokens: "line1", "line2" and "".
+ // So skip sending empty strings to UI.
+ std::vector<std::string> lines = android::base::Split(buffer, "\n");
+ for (auto& line: lines) {
+ if (!line.empty()) {
+ fprintf(ui->cmd_pipe, "ui_print %s\n", line.c_str());
+ fprintf(ui->cmd_pipe, "ui_print\n");
+ }
}
- fprintf(ui->cmd_pipe, "ui_print\n");
+
+ // On the updater side, we need to dump the contents to stderr (which has
+ // been redirected to the log file). Because the recovery will only print
+ // the contents to screen when processing pipe command ui_print.
+ fprintf(stderr, "%s", buffer.c_str());
}
__attribute__((__format__(printf, 2, 3))) __nonnull((2))
void uiPrintf(State* state, const char* format, ...) {
- char error_msg[1024];
+ std::string error_msg;
+
va_list ap;
va_start(ap, format);
- vsnprintf(error_msg, sizeof(error_msg), format, ap);
+ android::base::StringAppendV(&error_msg, format, ap);
va_end(ap);
+
uiPrint(state, error_msg);
}
@@ -154,7 +170,7 @@ Value* MountFn(const char* name, State* state, int argc, Expr* argv[]) {
const MtdPartition* mtd;
mtd = mtd_find_partition_by_name(location);
if (mtd == NULL) {
- uiPrintf(state, "%s: no mtd partition named \"%s\"",
+ uiPrintf(state, "%s: no mtd partition named \"%s\"\n",
name, location);
result = strdup("");
goto done;
@@ -459,7 +475,8 @@ Value* ShowProgressFn(const char* name, State* state, int argc, Expr* argv[]) {
}
double frac = strtod(frac_str, NULL);
- int sec = strtol(sec_str, NULL, 10);
+ int sec;
+ android::base::ParseInt(sec_str, &sec);
UpdaterInfo* ui = (UpdaterInfo*)(state->cookie);
fprintf(ui->cmd_pipe, "progress %f %d\n", frac, sec);
@@ -975,7 +992,7 @@ Value* FileGetPropFn(const char* name, State* state, int argc, Expr* argv[]) {
goto done;
}
- if (fread(buffer, 1, st.st_size, f) != st.st_size) {
+ if (fread(buffer, 1, st.st_size, f) != static_cast<size_t>(st.st_size)) {
ErrorAbort(state, "%s: failed to read %lld bytes from %s",
name, (long long)st.st_size+1, filename);
fclose(f);
@@ -1130,12 +1147,11 @@ Value* ApplyPatchSpaceFn(const char* name, State* state,
return NULL;
}
- char* endptr;
- size_t bytes = strtol(bytes_str, &endptr, 10);
- if (bytes == 0 && endptr == bytes_str) {
+ size_t bytes;
+ if (!android::base::ParseUint(bytes_str, &bytes)) {
ErrorAbort(state, "%s(): can't parse \"%s\" as byte count\n\n", name, bytes_str);
free(bytes_str);
- return NULL;
+ return nullptr;
}
return StringValue(strdup(CacheSizeCheck(bytes) ? "" : "t"));
@@ -1159,16 +1175,14 @@ Value* ApplyPatchFn(const char* name, State* state, int argc, Expr* argv[]) {
return NULL;
}
- char* endptr;
- size_t target_size = strtol(target_size_str, &endptr, 10);
- if (target_size == 0 && endptr == target_size_str) {
- ErrorAbort(state, "%s(): can't parse \"%s\" as byte count",
- name, target_size_str);
+ size_t target_size;
+ if (!android::base::ParseUint(target_size_str, &target_size)) {
+ ErrorAbort(state, "%s(): can't parse \"%s\" as byte count", name, target_size_str);
free(source_filename);
free(target_filename);
free(target_sha1);
free(target_size_str);
- return NULL;
+ return nullptr;
}
int patchcount = (argc-4) / 2;
@@ -1241,28 +1255,24 @@ Value* ApplyPatchCheckFn(const char* name, State* state,
return StringValue(strdup(result == 0 ? "t" : ""));
}
+// This is the updater side handler for ui_print() in edify script. Contents
+// will be sent over to the recovery side for on-screen display.
Value* UIPrintFn(const char* name, State* state, int argc, Expr* argv[]) {
char** args = ReadVarArgs(state, argc, argv);
if (args == NULL) {
return NULL;
}
- int size = 0;
- int i;
- for (i = 0; i < argc; ++i) {
- size += strlen(args[i]);
- }
- char* buffer = reinterpret_cast<char*>(malloc(size+1));
- size = 0;
- for (i = 0; i < argc; ++i) {
- strcpy(buffer+size, args[i]);
- size += strlen(args[i]);
+ std::string buffer;
+ for (int i = 0; i < argc; ++i) {
+ buffer += args[i];
free(args[i]);
}
free(args);
- buffer[size] = '\0';
+
+ buffer += "\n";
uiPrint(state, buffer);
- return StringValue(buffer);
+ return StringValue(strdup(buffer.c_str()));
}
Value* WipeCacheFn(const char* name, State* state, int argc, Expr* argv[]) {
@@ -1512,7 +1522,8 @@ Value* WipeBlockDeviceFn(const char* name, State* state, int argc, Expr* argv[])
char* len_str;
if (ReadArgs(state, argv, 2, &filename, &len_str) < 0) return NULL;
- size_t len = strtoull(len_str, NULL, 0);
+ size_t len;
+ android::base::ParseUint(len_str, &len);
int fd = open(filename, O_WRONLY, 0644);
int success = wipe_block_device(fd, len);
diff --git a/verifier_test.cpp b/verifier_test.cpp
index 82546edce..21633dc20 100644
--- a/verifier_test.cpp
+++ b/verifier_test.cpp
@@ -141,6 +141,12 @@ class FakeUI : public RecoveryUI {
vfprintf(stderr, fmt, ap);
va_end(ap);
}
+ void PrintOnScreenOnly(const char* fmt, ...) {
+ va_list ap;
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
+ va_end(ap);
+ }
void ShowFile(const char*) { }
void StartMenu(const char* const * headers, const char* const * items,
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 14:07:07 +0100