release-request-b4bc7b84-64b6-4176-8f16-ce17068fad13-for-git_pi-release-4370135 snap-temp-L93500000107644030
Change-Id: Ib62a1fc76f33dd6600e4e581d761906544c9de86
diff --git a/Android.bp b/Android.bp
index 49438ad..99ca3a4 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,4 +1,5 @@
subdirs = [
"bootloader_message",
+ "otafault",
"otautil",
]
diff --git a/Android.mk b/Android.mk
index 8011412..c55771f 100644
--- a/Android.mk
+++ b/Android.mk
@@ -263,7 +263,6 @@
$(LOCAL_PATH)/edify/Android.mk \
$(LOCAL_PATH)/minadbd/Android.mk \
$(LOCAL_PATH)/minui/Android.mk \
- $(LOCAL_PATH)/otafault/Android.mk \
$(LOCAL_PATH)/tests/Android.mk \
$(LOCAL_PATH)/tools/Android.mk \
$(LOCAL_PATH)/uncrypt/Android.mk \
diff --git a/applypatch/Android.mk b/applypatch/Android.mk
index 59aa0ce..f5dda2b 100644
--- a/applypatch/Android.mk
+++ b/applypatch/Android.mk
@@ -112,11 +112,13 @@
LOCAL_STATIC_LIBRARIES := \
libapplypatch_modes \
libapplypatch \
- libbase \
libedify \
libotafault \
- libcrypto \
libbspatch \
+ libbase \
+ libziparchive \
+ liblog \
+ libcrypto \
libbz
LOCAL_SHARED_LIBRARIES := \
libbase \
diff --git a/applypatch/applypatch.cpp b/applypatch/applypatch.cpp
index 51bf393..729d2a9 100644
--- a/applypatch/applypatch.cpp
+++ b/applypatch/applypatch.cpp
@@ -39,7 +39,7 @@
#include <openssl/sha.h>
#include "edify/expr.h"
-#include "ota_io.h"
+#include "otafault/ota_io.h"
#include "print_sha1.h"
static int LoadPartitionContents(const std::string& filename, FileContents* file);
diff --git a/minui/resources.cpp b/minui/resources.cpp
index 756f29d..837f5eb 100644
--- a/minui/resources.cpp
+++ b/minui/resources.cpp
@@ -25,10 +25,12 @@
#include <sys/types.h>
#include <unistd.h>
+#include <memory>
#include <regex>
#include <string>
#include <vector>
+#include <android-base/stringprintf.h>
#include <android-base/strings.h>
#include <png.h>
@@ -46,89 +48,126 @@
return surface;
}
-static int open_png(const char* name, png_structp* png_ptr, png_infop* info_ptr,
- png_uint_32* width, png_uint_32* height, png_byte* channels) {
- char resPath[256];
- unsigned char header[8];
- int result = 0;
- int color_type, bit_depth;
- size_t bytesRead;
+// This class handles the png file parsing. It also holds the ownership of the png pointer and the
+// opened file pointer. Both will be destroyed/closed when this object goes out of scope.
+class PngHandler {
+ public:
+ PngHandler(const std::string& name);
- snprintf(resPath, sizeof(resPath)-1, "/res/images/%s.png", name);
- resPath[sizeof(resPath)-1] = '\0';
- FILE* fp = fopen(resPath, "rbe");
- if (fp == NULL) {
- result = -1;
- goto exit;
- }
+ ~PngHandler();
- bytesRead = fread(header, 1, sizeof(header), fp);
- if (bytesRead != sizeof(header)) {
- result = -2;
- goto exit;
- }
+ png_uint_32 width() const {
+ return width_;
+ }
- if (png_sig_cmp(header, 0, sizeof(header))) {
- result = -3;
- goto exit;
- }
+ png_uint_32 height() const {
+ return height_;
+ }
- *png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
- if (!*png_ptr) {
- result = -4;
- goto exit;
- }
+ png_byte channels() const {
+ return channels_;
+ }
- *info_ptr = png_create_info_struct(*png_ptr);
- if (!*info_ptr) {
- result = -5;
- goto exit;
- }
+ png_structp png_ptr() const {
+ return png_ptr_;
+ }
- if (setjmp(png_jmpbuf(*png_ptr))) {
- result = -6;
- goto exit;
- }
+ png_infop info_ptr() const {
+ return info_ptr_;
+ }
- png_init_io(*png_ptr, fp);
- png_set_sig_bytes(*png_ptr, sizeof(header));
- png_read_info(*png_ptr, *info_ptr);
+ int error_code() const {
+ return error_code_;
+ };
- png_get_IHDR(*png_ptr, *info_ptr, width, height, &bit_depth,
- &color_type, NULL, NULL, NULL);
+ operator bool() const {
+ return error_code_ == 0;
+ }
- *channels = png_get_channels(*png_ptr, *info_ptr);
+ private:
+ png_structp png_ptr_{ nullptr };
+ png_infop info_ptr_{ nullptr };
+ png_uint_32 width_;
+ png_uint_32 height_;
+ png_byte channels_;
- if (bit_depth == 8 && *channels == 3 && color_type == PNG_COLOR_TYPE_RGB) {
- // 8-bit RGB images: great, nothing to do.
- } else if (bit_depth <= 8 && *channels == 1 && color_type == PNG_COLOR_TYPE_GRAY) {
- // 1-, 2-, 4-, or 8-bit gray images: expand to 8-bit gray.
- png_set_expand_gray_1_2_4_to_8(*png_ptr);
- } else if (bit_depth <= 8 && *channels == 1 && color_type == PNG_COLOR_TYPE_PALETTE) {
- // paletted images: expand to 8-bit RGB. Note that we DON'T
- // currently expand the tRNS chunk (if any) to an alpha
- // channel, because minui doesn't support alpha channels in
- // general.
- png_set_palette_to_rgb(*png_ptr);
- *channels = 3;
- } else {
- fprintf(stderr, "minui doesn't support PNG depth %d channels %d color_type %d\n",
- bit_depth, *channels, color_type);
- result = -7;
- goto exit;
- }
+ // The |error_code_| is set to a negative value if an error occurs when opening the png file.
+ int error_code_;
+ // After initialization, we'll keep the file pointer open before destruction of PngHandler.
+ std::unique_ptr<FILE, decltype(&fclose)> png_fp_;
+};
- return result;
+PngHandler::PngHandler(const std::string& name) : error_code_(0), png_fp_(nullptr, fclose) {
+ std::string res_path = android::base::StringPrintf("/res/images/%s.png", name.c_str());
+ png_fp_.reset(fopen(res_path.c_str(), "rbe"));
+ if (!png_fp_) {
+ error_code_ = -1;
+ return;
+ }
- exit:
- if (result < 0) {
- png_destroy_read_struct(png_ptr, info_ptr, NULL);
- }
- if (fp != NULL) {
- fclose(fp);
- }
+ unsigned char header[8];
+ size_t bytesRead = fread(header, 1, sizeof(header), png_fp_.get());
+ if (bytesRead != sizeof(header)) {
+ error_code_ = -2;
+ return;
+ }
- return result;
+ if (png_sig_cmp(header, 0, sizeof(header))) {
+ error_code_ = -3;
+ return;
+ }
+
+ png_ptr_ = png_create_read_struct(PNG_LIBPNG_VER_STRING, nullptr, nullptr, nullptr);
+ if (!png_ptr_) {
+ error_code_ = -4;
+ return;
+ }
+
+ info_ptr_ = png_create_info_struct(png_ptr_);
+ if (!info_ptr_) {
+ error_code_ = -5;
+ return;
+ }
+
+ if (setjmp(png_jmpbuf(png_ptr_))) {
+ error_code_ = -6;
+ return;
+ }
+
+ png_init_io(png_ptr_, png_fp_.get());
+ png_set_sig_bytes(png_ptr_, sizeof(header));
+ png_read_info(png_ptr_, info_ptr_);
+
+ int color_type;
+ int bit_depth;
+ png_get_IHDR(png_ptr_, info_ptr_, &width_, &height_, &bit_depth, &color_type, nullptr, nullptr,
+ nullptr);
+
+ channels_ = png_get_channels(png_ptr_, info_ptr_);
+
+ if (bit_depth == 8 && channels_ == 3 && color_type == PNG_COLOR_TYPE_RGB) {
+ // 8-bit RGB images: great, nothing to do.
+ } else if (bit_depth <= 8 && channels_ == 1 && color_type == PNG_COLOR_TYPE_GRAY) {
+ // 1-, 2-, 4-, or 8-bit gray images: expand to 8-bit gray.
+ png_set_expand_gray_1_2_4_to_8(png_ptr_);
+ } else if (bit_depth <= 8 && channels_ == 1 && color_type == PNG_COLOR_TYPE_PALETTE) {
+ // paletted images: expand to 8-bit RGB. Note that we DON'T
+ // currently expand the tRNS chunk (if any) to an alpha
+ // channel, because minui doesn't support alpha channels in
+ // general.
+ png_set_palette_to_rgb(png_ptr_);
+ channels_ = 3;
+ } else {
+ fprintf(stderr, "minui doesn't support PNG depth %d channels %d color_type %d\n", bit_depth,
+ channels_, color_type);
+ error_code_ = -7;
+ }
+}
+
+PngHandler::~PngHandler() {
+ if (png_ptr_) {
+ png_destroy_read_struct(&png_ptr_, &info_ptr_, nullptr);
+ }
}
// "display" surfaces are transformed into the framebuffer's required
@@ -198,178 +237,152 @@
}
int res_create_display_surface(const char* name, GRSurface** pSurface) {
- GRSurface* surface = NULL;
- int result = 0;
- png_structp png_ptr = NULL;
- png_infop info_ptr = NULL;
- png_uint_32 width, height;
- png_byte channels;
- unsigned char* p_row;
- unsigned int y;
+ *pSurface = nullptr;
- *pSurface = NULL;
+ PngHandler png_handler(name);
+ if (!png_handler) return png_handler.error_code();
- result = open_png(name, &png_ptr, &info_ptr, &width, &height, &channels);
- if (result < 0) return result;
+ png_structp png_ptr = png_handler.png_ptr();
+ png_uint_32 width = png_handler.width();
+ png_uint_32 height = png_handler.height();
- surface = init_display_surface(width, height);
- if (surface == NULL) {
- result = -8;
- goto exit;
- }
+ GRSurface* surface = init_display_surface(width, height);
+ if (!surface) {
+ return -8;
+ }
#if defined(RECOVERY_ABGR) || defined(RECOVERY_BGRA)
- png_set_bgr(png_ptr);
+ png_set_bgr(png_ptr);
#endif
- p_row = static_cast<unsigned char*>(malloc(width * 4));
- for (y = 0; y < height; ++y) {
- png_read_row(png_ptr, p_row, NULL);
- transform_rgb_to_draw(p_row, surface->data + y * surface->row_bytes, channels, width);
- }
- free(p_row);
+ for (png_uint_32 y = 0; y < height; ++y) {
+ std::vector<unsigned char> p_row(width * 4);
+ png_read_row(png_ptr, p_row.data(), nullptr);
+ transform_rgb_to_draw(p_row.data(), surface->data + y * surface->row_bytes,
+ png_handler.channels(), width);
+ }
- *pSurface = surface;
+ *pSurface = surface;
- exit:
- png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
- if (result < 0 && surface != NULL) free(surface);
- return result;
+ return 0;
}
int res_create_multi_display_surface(const char* name, int* frames, int* fps,
- GRSurface*** pSurface) {
- GRSurface** surface = NULL;
- int result = 0;
- png_structp png_ptr = NULL;
- png_infop info_ptr = NULL;
- png_uint_32 width, height;
- png_byte channels;
- png_textp text;
- int num_text;
- unsigned char* p_row;
- unsigned int y;
+ GRSurface*** pSurface) {
+ *pSurface = nullptr;
+ *frames = -1;
- *pSurface = NULL;
- *frames = -1;
+ PngHandler png_handler(name);
+ if (!png_handler) return png_handler.error_code();
- result = open_png(name, &png_ptr, &info_ptr, &width, &height, &channels);
- if (result < 0) return result;
+ png_structp png_ptr = png_handler.png_ptr();
+ png_uint_32 width = png_handler.width();
+ png_uint_32 height = png_handler.height();
- *frames = 1;
- *fps = 20;
- if (png_get_text(png_ptr, info_ptr, &text, &num_text)) {
- for (int i = 0; i < num_text; ++i) {
- if (text[i].key && strcmp(text[i].key, "Frames") == 0 && text[i].text) {
- *frames = atoi(text[i].text);
- } else if (text[i].key && strcmp(text[i].key, "FPS") == 0 && text[i].text) {
- *fps = atoi(text[i].text);
- }
- }
- printf(" found frames = %d\n", *frames);
- printf(" found fps = %d\n", *fps);
+ *frames = 1;
+ *fps = 20;
+ png_textp text;
+ int num_text;
+ if (png_get_text(png_ptr, png_handler.info_ptr(), &text, &num_text)) {
+ for (int i = 0; i < num_text; ++i) {
+ if (text[i].key && strcmp(text[i].key, "Frames") == 0 && text[i].text) {
+ *frames = atoi(text[i].text);
+ } else if (text[i].key && strcmp(text[i].key, "FPS") == 0 && text[i].text) {
+ *fps = atoi(text[i].text);
+ }
}
+ printf(" found frames = %d\n", *frames);
+ printf(" found fps = %d\n", *fps);
+ }
- if (*frames <= 0 || *fps <= 0) {
- printf("bad number of frames (%d) and/or FPS (%d)\n", *frames, *fps);
- result = -10;
- goto exit;
- }
+ int result = 0;
+ GRSurface** surface = nullptr;
+ if (*frames <= 0 || *fps <= 0) {
+ printf("bad number of frames (%d) and/or FPS (%d)\n", *frames, *fps);
+ result = -10;
+ goto exit;
+ }
- if (height % *frames != 0) {
- printf("bad height (%d) for frame count (%d)\n", height, *frames);
- result = -9;
- goto exit;
- }
+ if (height % *frames != 0) {
+ printf("bad height (%d) for frame count (%d)\n", height, *frames);
+ result = -9;
+ goto exit;
+ }
- surface = static_cast<GRSurface**>(calloc(*frames, sizeof(GRSurface*)));
- if (surface == NULL) {
- result = -8;
- goto exit;
+ surface = static_cast<GRSurface**>(calloc(*frames, sizeof(GRSurface*)));
+ if (!surface) {
+ result = -8;
+ goto exit;
+ }
+ for (int i = 0; i < *frames; ++i) {
+ surface[i] = init_display_surface(width, height / *frames);
+ if (!surface[i]) {
+ result = -8;
+ goto exit;
}
- for (int i = 0; i < *frames; ++i) {
- surface[i] = init_display_surface(width, height / *frames);
- if (surface[i] == NULL) {
- result = -8;
- goto exit;
- }
- }
+ }
#if defined(RECOVERY_ABGR) || defined(RECOVERY_BGRA)
- png_set_bgr(png_ptr);
+ png_set_bgr(png_ptr);
#endif
- p_row = static_cast<unsigned char*>(malloc(width * 4));
- for (y = 0; y < height; ++y) {
- png_read_row(png_ptr, p_row, NULL);
- int frame = y % *frames;
- unsigned char* out_row = surface[frame]->data +
- (y / *frames) * surface[frame]->row_bytes;
- transform_rgb_to_draw(p_row, out_row, channels, width);
- }
- free(p_row);
+ for (png_uint_32 y = 0; y < height; ++y) {
+ std::vector<unsigned char> p_row(width * 4);
+ png_read_row(png_ptr, p_row.data(), nullptr);
+ int frame = y % *frames;
+ unsigned char* out_row = surface[frame]->data + (y / *frames) * surface[frame]->row_bytes;
+ transform_rgb_to_draw(p_row.data(), out_row, png_handler.channels(), width);
+ }
- *pSurface = surface;
+ *pSurface = surface;
exit:
- png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
-
- if (result < 0) {
- if (surface) {
- for (int i = 0; i < *frames; ++i) {
- free(surface[i]);
- }
- free(surface);
- }
+ if (result < 0) {
+ if (surface) {
+ for (int i = 0; i < *frames; ++i) {
+ free(surface[i]);
+ }
+ free(surface);
}
- return result;
+ }
+ return result;
}
int res_create_alpha_surface(const char* name, GRSurface** pSurface) {
- GRSurface* surface = NULL;
- int result = 0;
- png_structp png_ptr = NULL;
- png_infop info_ptr = NULL;
- png_uint_32 width, height;
- png_byte channels;
+ *pSurface = nullptr;
- *pSurface = NULL;
+ PngHandler png_handler(name);
+ if (!png_handler) return png_handler.error_code();
- result = open_png(name, &png_ptr, &info_ptr, &width, &height, &channels);
- if (result < 0) return result;
+ if (png_handler.channels() != 1) {
+ return -7;
+ }
- if (channels != 1) {
- result = -7;
- goto exit;
- }
+ png_structp png_ptr = png_handler.png_ptr();
+ png_uint_32 width = png_handler.width();
+ png_uint_32 height = png_handler.height();
- surface = malloc_surface(width * height);
- if (surface == NULL) {
- result = -8;
- goto exit;
- }
- surface->width = width;
- surface->height = height;
- surface->row_bytes = width;
- surface->pixel_bytes = 1;
+ GRSurface* surface = malloc_surface(width * height);
+ if (!surface) {
+ return -8;
+ }
+ surface->width = width;
+ surface->height = height;
+ surface->row_bytes = width;
+ surface->pixel_bytes = 1;
#if defined(RECOVERY_ABGR) || defined(RECOVERY_BGRA)
- png_set_bgr(png_ptr);
+ png_set_bgr(png_ptr);
#endif
- unsigned char* p_row;
- unsigned int y;
- for (y = 0; y < height; ++y) {
- p_row = surface->data + y * surface->row_bytes;
- png_read_row(png_ptr, p_row, NULL);
- }
+ for (png_uint_32 y = 0; y < height; ++y) {
+ unsigned char* p_row = surface->data + y * surface->row_bytes;
+ png_read_row(png_ptr, p_row, nullptr);
+ }
- *pSurface = surface;
+ *pSurface = surface;
- exit:
- png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
- if (result < 0 && surface != NULL) free(surface);
- return result;
+ return 0;
}
// This function tests if a locale string stored in PNG (prefix) matches
@@ -397,109 +410,89 @@
}
std::vector<std::string> get_locales_in_png(const std::string& png_name) {
- png_structp png_ptr = nullptr;
- png_infop info_ptr = nullptr;
- png_uint_32 width, height;
- png_byte channels;
-
- int status = open_png(png_name.c_str(), &png_ptr, &info_ptr, &width, &height, &channels);
- if (status < 0) {
- printf("Failed to open %s\n", png_name.c_str());
+ PngHandler png_handler(png_name);
+ if (!png_handler) {
+ printf("Failed to open %s, error: %d\n", png_name.c_str(), png_handler.error_code());
return {};
}
- if (channels != 1) {
- printf("Expect input png to have 1 data channel, this file has %d\n", channels);
- png_destroy_read_struct(&png_ptr, &info_ptr, nullptr);
+ if (png_handler.channels() != 1) {
+ printf("Expect input png to have 1 data channel, this file has %d\n", png_handler.channels());
return {};
}
std::vector<std::string> result;
- std::vector<unsigned char> row(width);
- for (png_uint_32 y = 0; y < height; ++y) {
- png_read_row(png_ptr, row.data(), nullptr);
+ std::vector<unsigned char> row(png_handler.width());
+ for (png_uint_32 y = 0; y < png_handler.height(); ++y) {
+ png_read_row(png_handler.png_ptr(), row.data(), nullptr);
int h = (row[3] << 8) | row[2];
std::string loc(reinterpret_cast<char*>(&row[5]));
if (!loc.empty()) {
result.push_back(loc);
}
for (int i = 0; i < h; ++i, ++y) {
- png_read_row(png_ptr, row.data(), NULL);
+ png_read_row(png_handler.png_ptr(), row.data(), nullptr);
}
}
- png_destroy_read_struct(&png_ptr, &info_ptr, nullptr);
return result;
}
int res_create_localized_alpha_surface(const char* name,
const char* locale,
GRSurface** pSurface) {
- GRSurface* surface = NULL;
- int result = 0;
- png_structp png_ptr = NULL;
- png_infop info_ptr = NULL;
- png_uint_32 width, height;
- png_byte channels;
- png_uint_32 y;
- std::vector<unsigned char> row;
+ *pSurface = nullptr;
+ if (locale == nullptr) {
+ return 0;
+ }
- *pSurface = NULL;
+ PngHandler png_handler(name);
+ if (!png_handler) return png_handler.error_code();
- if (locale == NULL) {
- return result;
+ if (png_handler.channels() != 1) {
+ return -7;
+ }
+
+ png_structp png_ptr = png_handler.png_ptr();
+ png_uint_32 width = png_handler.width();
+ png_uint_32 height = png_handler.height();
+
+ for (png_uint_32 y = 0; y < height; ++y) {
+ std::vector<unsigned char> row(width);
+ png_read_row(png_ptr, row.data(), nullptr);
+ int w = (row[1] << 8) | row[0];
+ int h = (row[3] << 8) | row[2];
+ __unused int len = row[4];
+ char* loc = reinterpret_cast<char*>(&row[5]);
+
+ if (y + 1 + h >= height || matches_locale(loc, locale)) {
+ printf(" %20s: %s (%d x %d @ %d)\n", name, loc, w, h, y);
+
+ GRSurface* surface = malloc_surface(w * h);
+ if (!surface) {
+ return -8;
+ }
+ surface->width = w;
+ surface->height = h;
+ surface->row_bytes = w;
+ surface->pixel_bytes = 1;
+
+ for (int i = 0; i < h; ++i, ++y) {
+ png_read_row(png_ptr, row.data(), nullptr);
+ memcpy(surface->data + i * w, row.data(), w);
+ }
+
+ *pSurface = surface;
+ break;
}
- result = open_png(name, &png_ptr, &info_ptr, &width, &height, &channels);
- if (result < 0) return result;
-
- if (channels != 1) {
- result = -7;
- goto exit;
+ for (int i = 0; i < h; ++i, ++y) {
+ png_read_row(png_ptr, row.data(), nullptr);
}
+ }
- row.resize(width);
- for (y = 0; y < height; ++y) {
- png_read_row(png_ptr, row.data(), NULL);
- int w = (row[1] << 8) | row[0];
- int h = (row[3] << 8) | row[2];
- __unused int len = row[4];
- char* loc = reinterpret_cast<char*>(&row[5]);
-
- if (y+1+h >= height || matches_locale(loc, locale)) {
- printf(" %20s: %s (%d x %d @ %d)\n", name, loc, w, h, y);
-
- surface = malloc_surface(w*h);
- if (surface == NULL) {
- result = -8;
- goto exit;
- }
- surface->width = w;
- surface->height = h;
- surface->row_bytes = w;
- surface->pixel_bytes = 1;
-
- int i;
- for (i = 0; i < h; ++i, ++y) {
- png_read_row(png_ptr, row.data(), NULL);
- memcpy(surface->data + i*w, row.data(), w);
- }
-
- *pSurface = surface;
- break;
- } else {
- int i;
- for (i = 0; i < h; ++i, ++y) {
- png_read_row(png_ptr, row.data(), NULL);
- }
- }
- }
-
-exit:
- png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
- if (result < 0 && surface != NULL) free(surface);
- return result;
+ return 0;
}
void res_free_surface(GRSurface* surface) {
- free(surface);
+ free(surface);
}
diff --git a/otafault/Android.bp b/otafault/Android.bp
new file mode 100644
index 0000000..91a5d9a
--- /dev/null
+++ b/otafault/Android.bp
@@ -0,0 +1,60 @@
+// Copyright (C) 2017 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.
+
+cc_library_static {
+ name: "libotafault",
+
+ srcs: [
+ "config.cpp",
+ "ota_io.cpp",
+ ],
+
+ static_libs: [
+ "libbase",
+ "liblog",
+ "libziparchive",
+ ],
+
+ export_include_dirs: [
+ "include",
+ ],
+
+ cflags: [
+ "-D_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS",
+ "-Wall",
+ "-Werror",
+ "-Wthread-safety",
+ "-Wthread-safety-negative",
+ ],
+}
+
+cc_test {
+ name: "otafault_test",
+
+ srcs: ["test.cpp"],
+
+ cflags: [
+ "-Wall",
+ "-Werror",
+ ],
+
+ static_executable: true,
+
+ static_libs: [
+ "libotafault",
+ "libziparchive",
+ "libbase",
+ "liblog",
+ ],
+}
diff --git a/otafault/Android.mk b/otafault/Android.mk
deleted file mode 100644
index 4784d56..0000000
--- a/otafault/Android.mk
+++ /dev/null
@@ -1,54 +0,0 @@
-# Copyright 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 languae governing permissions and
-# limitations under the License.
-
-LOCAL_PATH := $(call my-dir)
-
-include $(CLEAR_VARS)
-
-otafault_static_libs := \
- libziparchive \
- libz \
- libselinux \
- libbase \
- liblog
-
-LOCAL_CFLAGS := \
- -Wall \
- -Werror \
- -Wthread-safety \
- -Wthread-safety-negative \
- -D_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS
-
-LOCAL_SRC_FILES := config.cpp ota_io.cpp
-LOCAL_MODULE_TAGS := eng
-LOCAL_MODULE := libotafault
-LOCAL_C_INCLUDES := bootable/recovery
-LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)
-LOCAL_WHOLE_STATIC_LIBRARIES := $(otafault_static_libs)
-
-include $(BUILD_STATIC_LIBRARY)
-
-# otafault_test (static executable)
-# ===============================
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES := config.cpp ota_io.cpp test.cpp
-LOCAL_MODULE_TAGS := tests
-LOCAL_MODULE := otafault_test
-LOCAL_STATIC_LIBRARIES := $(otafault_static_libs)
-LOCAL_CFLAGS := -Wall -Werror
-LOCAL_C_INCLUDES := bootable/recovery
-LOCAL_FORCE_STATIC_EXECUTABLE := true
-
-include $(BUILD_EXECUTABLE)
diff --git a/otafault/config.cpp b/otafault/config.cpp
index b94e429..3993948 100644
--- a/otafault/config.cpp
+++ b/otafault/config.cpp
@@ -14,17 +14,15 @@
* limitations under the License.
*/
+#include "otafault/config.h"
+
#include <map>
#include <string>
-#include <stdio.h>
-#include <unistd.h>
-
#include <android-base/stringprintf.h>
#include <ziparchive/zip_archive.h>
-#include "config.h"
-#include "ota_io.h"
+#include "otafault/ota_io.h"
#define OTAIO_MAX_FNAME_SIZE 128
diff --git a/otafault/config.h b/otafault/include/otafault/config.h
similarity index 76%
rename from otafault/config.h
rename to otafault/include/otafault/config.h
index 4adbdd1..cc4bfd2 100644
--- a/otafault/config.h
+++ b/otafault/include/otafault/config.h
@@ -15,13 +15,13 @@
*/
/*
- * Read configuration files in the OTA package to determine which files, if any, will trigger errors.
+ * Read configuration files in the OTA package to determine which files, if any, will trigger
+ * errors.
*
- * OTA packages can be modified to trigger errors by adding a top-level
- * directory called .libotafault, which may optionally contain up to three
- * files called READ, WRITE, and FSYNC. Each one of these optional files
- * contains the name of a single file on the device disk which will cause
- * an IO error on the first call of the appropriate I/O action to that file.
+ * OTA packages can be modified to trigger errors by adding a top-level directory called
+ * .libotafault, which may optionally contain up to three files called READ, WRITE, and FSYNC.
+ * Each one of these optional files contains the name of a single file on the device disk which
+ * will cause an IO error on the first call of the appropriate I/O action to that file.
*
* Example:
* ota.zip
@@ -29,9 +29,9 @@
* .libotafault
* WRITE
*
- * If the contents of the file WRITE were /system/build.prop, the first write
- * action to /system/build.prop would fail with EIO. Note that READ and
- * FSYNC files are absent, so these actions will not cause an error.
+ * If the contents of the file WRITE were /system/build.prop, the first write action to
+ * /system/build.prop would fail with EIO. Note that READ and FSYNC files are absent, so these
+ * actions will not cause an error.
*/
#ifndef _UPDATER_OTA_IO_CFG_H_
@@ -39,8 +39,6 @@
#include <string>
-#include <stdbool.h>
-
#include <ziparchive/zip_archive.h>
#define OTAIO_BASE_DIR ".libotafault"
diff --git a/otafault/ota_io.h b/otafault/include/otafault/ota_io.h
similarity index 96%
rename from otafault/ota_io.h
rename to otafault/include/otafault/ota_io.h
index 9428f1b..45e481a 100644
--- a/otafault/ota_io.h
+++ b/otafault/include/otafault/ota_io.h
@@ -23,8 +23,9 @@
#ifndef _UPDATER_OTA_IO_H_
#define _UPDATER_OTA_IO_H_
+#include <stddef.h>
#include <stdio.h>
-#include <sys/stat.h>
+#include <sys/stat.h> // mode_t
#include <memory>
diff --git a/otafault/ota_io.cpp b/otafault/ota_io.cpp
index faae527..1308973 100644
--- a/otafault/ota_io.cpp
+++ b/otafault/ota_io.cpp
@@ -14,20 +14,22 @@
* limitations under the License.
*/
-#include "ota_io.h"
+#include "otafault/ota_io.h"
#include <errno.h>
#include <fcntl.h>
+#include <stdint.h>
#include <stdio.h>
#include <sys/stat.h>
+#include <sys/types.h>
#include <unistd.h>
#include <map>
-#include <memory>
#include <mutex>
#include <android-base/thread_annotations.h>
-#include "config.h"
+
+#include "otafault/config.h"
static std::mutex filename_mutex;
static std::map<intptr_t, const char*> filename_cache GUARDED_BY(filename_mutex);
diff --git a/otafault/test.cpp b/otafault/test.cpp
index 6514782..63e2445 100644
--- a/otafault/test.cpp
+++ b/otafault/test.cpp
@@ -14,12 +14,13 @@
* limitations under the License.
*/
-#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/types.h>
#include <unistd.h>
-#include "ota_io.h"
+#include "otafault/ota_io.h"
int main(int /* argc */, char** /* argv */) {
int fd = open("testdata/test.file", O_RDWR);
diff --git a/roots.cpp b/roots.cpp
index fdcbfe8..7d7d1bd 100644
--- a/roots.cpp
+++ b/roots.cpp
@@ -18,6 +18,7 @@
#include <ctype.h>
#include <fcntl.h>
+#include <stdint.h>
#include <stdlib.h>
#include <sys/mount.h>
#include <sys/stat.h>
@@ -68,8 +69,27 @@
printf("\n");
}
+// Finds the volume specified by the given path. fs_mgr_get_entry_for_mount_point() does exact match
+// only, so it attempts the prefixes recursively (e.g. "/cache/recovery/last_log",
+// "/cache/recovery", "/cache", "/" for a given path of "/cache/recovery/last_log") and returns the
+// first match or nullptr.
Volume* volume_for_path(const char* path) {
- return fs_mgr_get_entry_for_mount_point(fstab, path);
+ if (path == nullptr || path[0] == '\0') return nullptr;
+ std::string str(path);
+ while (true) {
+ Volume* result = fs_mgr_get_entry_for_mount_point(fstab, str.c_str());
+ if (result != nullptr || str == "/") {
+ return result;
+ }
+ size_t slash = str.find_last_of('/');
+ if (slash == std::string::npos) return nullptr;
+ if (slash == 0) {
+ str = "/";
+ } else {
+ str = str.substr(0, slash);
+ }
+ }
+ return nullptr;
}
// Mount the volume specified by path at the given mount_point.
@@ -178,16 +198,22 @@
return WEXITSTATUS(status);
}
-static ssize_t get_file_size(int fd, uint64_t reserve_len) {
+static int64_t get_file_size(int fd, uint64_t reserve_len) {
struct stat buf;
int ret = fstat(fd, &buf);
if (ret) return 0;
- ssize_t computed_size;
+ int64_t computed_size;
if (S_ISREG(buf.st_mode)) {
computed_size = buf.st_size - reserve_len;
} else if (S_ISBLK(buf.st_mode)) {
- computed_size = get_block_device_size(fd) - reserve_len;
+ uint64_t block_device_size = get_block_device_size(fd);
+ if (block_device_size < reserve_len ||
+ block_device_size > std::numeric_limits<int64_t>::max()) {
+ computed_size = 0;
+ } else {
+ computed_size = block_device_size - reserve_len;
+ }
} else {
computed_size = 0;
}
@@ -231,13 +257,13 @@
close(fd);
}
- ssize_t length = 0;
+ int64_t length = 0;
if (v->length != 0) {
length = v->length;
} else if (v->key_loc != nullptr && strcmp(v->key_loc, "footer") == 0) {
android::base::unique_fd fd(open(v->blk_device, O_RDONLY));
if (fd == -1) {
- PLOG(ERROR) << "get_file_size: failed to open " << v->blk_device;
+ PLOG(ERROR) << "format_volume: failed to open " << v->blk_device;
return -1;
}
length = get_file_size(fd.get(), CRYPT_FOOTER_OFFSET);
diff --git a/tests/Android.mk b/tests/Android.mk
index 748d9c8..31c7de1 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -143,7 +143,6 @@
libdivsufsort \
libdivsufsort64 \
libfs_mgr \
- liblog \
libvintf_recovery \
libvintf \
libtinyxml2 \
@@ -154,6 +153,7 @@
libcrypto \
libbz \
libziparchive \
+ liblog \
libutils \
libz \
libbase \
diff --git a/updater/blockimg.cpp b/updater/blockimg.cpp
index fe21dd0..696cddf 100644
--- a/updater/blockimg.cpp
+++ b/updater/blockimg.cpp
@@ -51,7 +51,7 @@
#include "edify/expr.h"
#include "error_code.h"
-#include "ota_io.h"
+#include "otafault/ota_io.h"
#include "print_sha1.h"
#include "rangeset.h"
#include "updater/install.h"
diff --git a/updater/install.cpp b/updater/install.cpp
index 8e54c2e..fc085d5 100644
--- a/updater/install.cpp
+++ b/updater/install.cpp
@@ -59,7 +59,7 @@
#include "edify/expr.h"
#include "error_code.h"
#include "mounts.h"
-#include "ota_io.h"
+#include "otafault/ota_io.h"
#include "otautil/DirUtil.h"
#include "print_sha1.h"
#include "tune2fs.h"
diff --git a/updater/updater.cpp b/updater/updater.cpp
index 1d8fa8e..e10174f 100644
--- a/updater/updater.cpp
+++ b/updater/updater.cpp
@@ -30,8 +30,8 @@
#include <selinux/selinux.h>
#include <ziparchive/zip_archive.h>
-#include "config.h"
#include "edify/expr.h"
+#include "otafault/config.h"
#include "otautil/DirUtil.h"
#include "otautil/SysUtil.h"
#include "updater/blockimg.h"