summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--applypatch/applypatch.cpp16
-rw-r--r--applypatch/include/applypatch/applypatch.h15
-rw-r--r--applypatch/main.cpp15
-rw-r--r--tests/component/applypatch_test.cpp264
-rw-r--r--updater/install.cpp4
5 files changed, 162 insertions, 152 deletions
diff --git a/applypatch/applypatch.cpp b/applypatch/applypatch.cpp
index 48e4c8386..9d505f9f6 100644
--- a/applypatch/applypatch.cpp
+++ b/applypatch/applypatch.cpp
@@ -530,8 +530,8 @@ int applypatch(const char* source_filename,
const char* target_sha1_str,
size_t target_size,
const std::vector<std::string>& patch_sha1_str,
- Value** patch_data,
- Value* bonus_data) {
+ const std::vector<std::unique_ptr<Value>>& patch_data,
+ const Value* bonus_data) {
printf("patch %s: ", source_filename);
if (target_filename[0] == '-' && target_filename[1] == '\0') {
@@ -546,8 +546,8 @@ int applypatch(const char* source_filename,
FileContents copy_file;
FileContents source_file;
- const Value* source_patch_value = NULL;
- const Value* copy_patch_value = NULL;
+ const Value* source_patch_value = nullptr;
+ const Value* copy_patch_value = nullptr;
// We try to load the target file into the source_file object.
if (LoadFileContents(target_filename, &source_file) == 0) {
@@ -571,11 +571,11 @@ int applypatch(const char* source_filename,
if (!source_file.data.empty()) {
int to_use = FindMatchingPatch(source_file.sha1, patch_sha1_str);
if (to_use >= 0) {
- source_patch_value = patch_data[to_use];
+ source_patch_value = patch_data[to_use].get();
}
}
- if (source_patch_value == NULL) {
+ if (source_patch_value == nullptr) {
source_file.data.clear();
printf("source file is bad; trying copy\n");
@@ -587,10 +587,10 @@ int applypatch(const char* source_filename,
int to_use = FindMatchingPatch(copy_file.sha1, patch_sha1_str);
if (to_use >= 0) {
- copy_patch_value = patch_data[to_use];
+ copy_patch_value = patch_data[to_use].get();
}
- if (copy_patch_value == NULL) {
+ if (copy_patch_value == nullptr) {
// fail.
printf("copy file doesn't match source SHA-1s either\n");
return 1;
diff --git a/applypatch/include/applypatch/applypatch.h b/applypatch/include/applypatch/applypatch.h
index 80d681638..ca3dafbc9 100644
--- a/applypatch/include/applypatch/applypatch.h
+++ b/applypatch/include/applypatch/applypatch.h
@@ -20,10 +20,12 @@
#include <stdint.h>
#include <sys/stat.h>
+#include <memory>
#include <string>
#include <vector>
-#include "openssl/sha.h"
+#include <openssl/sha.h>
+
#include "edify/expr.h"
struct FileContents {
@@ -41,27 +43,26 @@ struct FileContents {
typedef ssize_t (*SinkFn)(const unsigned char*, ssize_t, void*);
-// applypatch.c
+// applypatch.cpp
int ShowLicenses();
size_t FreeSpaceForFile(const char* filename);
int CacheSizeCheck(size_t bytes);
int ParseSha1(const char* str, uint8_t* digest);
-int applypatch_flash(const char* source_filename, const char* target_filename,
- const char* target_sha1_str, size_t target_size);
int applypatch(const char* source_filename,
const char* target_filename,
const char* target_sha1_str,
size_t target_size,
const std::vector<std::string>& patch_sha1_str,
- Value** patch_data,
- Value* bonus_data);
+ const std::vector<std::unique_ptr<Value>>& patch_data,
+ const Value* bonus_data);
int applypatch_check(const char* filename,
const std::vector<std::string>& patch_sha1_str);
+int applypatch_flash(const char* source_filename, const char* target_filename,
+ const char* target_sha1_str, size_t target_size);
int LoadFileContents(const char* filename, FileContents* file);
int SaveFileContents(const char* filename, const FileContents* file);
-void FreeFileContents(FileContents* file);
int FindMatchingPatch(uint8_t* sha1, const std::vector<std::string>& patch_sha1_str);
// bsdiff.cpp
diff --git a/applypatch/main.cpp b/applypatch/main.cpp
index 294f7ee21..988b6f9b1 100644
--- a/applypatch/main.cpp
+++ b/applypatch/main.cpp
@@ -23,9 +23,10 @@
#include <string>
#include <vector>
+#include <openssl/sha.h>
+
#include "applypatch/applypatch.h"
#include "edify/expr.h"
-#include "openssl/sha.h"
static int CheckMode(int argc, char** argv) {
if (argc < 3) {
@@ -129,15 +130,13 @@ static int PatchMode(int argc, char** argv) {
printf("failed to parse patch args\n");
return 1;
}
- std::vector<Value> patches;
- std::vector<Value*> patch_ptrs;
+
+ std::vector<std::unique_ptr<Value>> patches;
for (size_t i = 0; i < files.size(); ++i) {
- patches.push_back(Value(VAL_BLOB,
- std::string(files[i].data.cbegin(), files[i].data.cend())));
- patch_ptrs.push_back(&patches[i]);
+ patches.push_back(std::make_unique<Value>(
+ VAL_BLOB, std::string(files[i].data.cbegin(), files[i].data.cend())));
}
- return applypatch(argv[1], argv[2], argv[3], target_size,
- sha1s, patch_ptrs.data(), &bonus);
+ return applypatch(argv[1], argv[2], argv[3], target_size, sha1s, patches, &bonus);
}
// This program applies binary patches to files in a way that is safe
diff --git a/tests/component/applypatch_test.cpp b/tests/component/applypatch_test.cpp
index 908a9f5f5..e09c1e7ba 100644
--- a/tests/component/applypatch_test.cpp
+++ b/tests/component/applypatch_test.cpp
@@ -23,102 +23,98 @@
#include <sys/types.h>
#include <time.h>
+#include <memory>
#include <string>
+#include <vector>
#include <android-base/file.h>
#include <android-base/stringprintf.h>
#include <android-base/test_utils.h>
+#include <openssl/sha.h>
#include "applypatch/applypatch.h"
#include "common/test_constants.h"
-#include "openssl/sha.h"
#include "print_sha1.h"
static const std::string DATA_PATH = getenv("ANDROID_DATA");
static const std::string TESTDATA_PATH = "/recovery/testdata";
-static const std::string WORK_FS = "/data";
-static std::string sha1sum(const std::string& fname) {
- uint8_t digest[SHA_DIGEST_LENGTH];
+static void sha1sum(const std::string& fname, std::string* sha1) {
+ ASSERT_NE(nullptr, sha1);
+
std::string data;
- android::base::ReadFileToString(fname, &data);
+ ASSERT_TRUE(android::base::ReadFileToString(fname, &data));
- SHA1((const uint8_t*)data.c_str(), data.size(), digest);
- return print_sha1(digest);
+ uint8_t digest[SHA_DIGEST_LENGTH];
+ SHA1(reinterpret_cast<const uint8_t*>(data.c_str()), data.size(), digest);
+ *sha1 = print_sha1(digest);
}
static void mangle_file(const std::string& fname) {
- FILE* fh = fopen(&fname[0], "w");
- int r;
- for (int i=0; i < 1024; i++) {
- r = rand();
- fwrite(&r, sizeof(short), 1, fh);
+ std::string content;
+ content.reserve(1024);
+ for (size_t i = 0; i < 1024; i++) {
+ content[i] = rand() % 256;
}
- fclose(fh);
+ ASSERT_TRUE(android::base::WriteStringToFile(content, fname));
}
-static bool file_cmp(std::string& f1, std::string& f2) {
+static bool file_cmp(const std::string& f1, const std::string& f2) {
std::string c1;
- std::string c2;
android::base::ReadFileToString(f1, &c1);
+ std::string c2;
android::base::ReadFileToString(f2, &c2);
return c1 == c2;
}
static std::string from_testdata_base(const std::string& fname) {
- return android::base::StringPrintf("%s%s%s/%s",
- &DATA_PATH[0],
- &NATIVE_TEST_PATH[0],
- &TESTDATA_PATH[0],
- &fname[0]);
+ return DATA_PATH + NATIVE_TEST_PATH + TESTDATA_PATH + "/" + fname;
}
class ApplyPatchTest : public ::testing::Test {
- public:
- static void SetUpTestCase() {
- // set up files
- old_file = from_testdata_base("old.file");
- new_file = from_testdata_base("new.file");
- patch_file = from_testdata_base("patch.bsdiff");
- rand_file = "/cache/applypatch_test_rand.file";
- cache_file = "/cache/saved.file";
-
- // write stuff to rand_file
- android::base::WriteStringToFile("hello", rand_file);
-
- // set up SHA constants
- old_sha1 = sha1sum(old_file);
- new_sha1 = sha1sum(new_file);
- srand(time(NULL));
- bad_sha1_a = android::base::StringPrintf("%040x", rand());
- bad_sha1_b = android::base::StringPrintf("%040x", rand());
-
- struct stat st;
- stat(&new_file[0], &st);
- new_size = st.st_size;
- }
-
- static std::string old_file;
- static std::string new_file;
- static std::string rand_file;
- static std::string cache_file;
- static std::string patch_file;
-
- static std::string old_sha1;
- static std::string new_sha1;
- static std::string bad_sha1_a;
- static std::string bad_sha1_b;
-
- static size_t new_size;
+ public:
+ static void SetUpTestCase() {
+ // set up files
+ old_file = from_testdata_base("old.file");
+ new_file = from_testdata_base("new.file");
+ patch_file = from_testdata_base("patch.bsdiff");
+ rand_file = "/cache/applypatch_test_rand.file";
+ cache_file = "/cache/saved.file";
+
+ // write stuff to rand_file
+ ASSERT_TRUE(android::base::WriteStringToFile("hello", rand_file));
+
+ // set up SHA constants
+ sha1sum(old_file, &old_sha1);
+ sha1sum(new_file, &new_sha1);
+ srand(time(NULL));
+ bad_sha1_a = android::base::StringPrintf("%040x", rand());
+ bad_sha1_b = android::base::StringPrintf("%040x", rand());
+
+ struct stat st;
+ stat(&new_file[0], &st);
+ new_size = st.st_size;
+ }
+
+ static std::string old_file;
+ static std::string new_file;
+ static std::string rand_file;
+ static std::string cache_file;
+ static std::string patch_file;
+
+ static std::string old_sha1;
+ static std::string new_sha1;
+ static std::string bad_sha1_a;
+ static std::string bad_sha1_b;
+
+ static size_t new_size;
};
std::string ApplyPatchTest::old_file;
std::string ApplyPatchTest::new_file;
-static void cp(std::string src, std::string tgt) {
- std::string cmd = android::base::StringPrintf("cp %s %s",
- &src[0],
- &tgt[0]);
+static void cp(const std::string& src, const std::string& tgt) {
+ std::string cmd = "cp " + src + " " + tgt;
system(&cmd[0]);
}
@@ -131,59 +127,55 @@ static void restore_old() {
}
class ApplyPatchCacheTest : public ApplyPatchTest {
- public:
- virtual void SetUp() {
- backup_old();
- }
-
- virtual void TearDown() {
- restore_old();
- }
+ public:
+ virtual void SetUp() {
+ backup_old();
+ }
+
+ virtual void TearDown() {
+ restore_old();
+ }
};
class ApplyPatchFullTest : public ApplyPatchCacheTest {
- public:
- static void SetUpTestCase() {
- ApplyPatchTest::SetUpTestCase();
- unsigned long free_kb = FreeSpaceForFile(&WORK_FS[0]);
- ASSERT_GE(free_kb * 1024, new_size * 3 / 2);
- output_f = new TemporaryFile();
- output_loc = std::string(output_f->path);
-
- struct FileContents fc;
-
- ASSERT_EQ(0, LoadFileContents(&rand_file[0], &fc));
- Value* patch1 = new Value(VAL_BLOB, std::string(fc.data.begin(), fc.data.end()));
- patches.push_back(patch1);
-
- ASSERT_EQ(0, LoadFileContents(&patch_file[0], &fc));
- Value* patch2 = new Value(VAL_BLOB, std::string(fc.data.begin(), fc.data.end()));
- patches.push_back(patch2);
- }
- static void TearDownTestCase() {
- delete output_f;
- for (auto it = patches.begin(); it != patches.end(); ++it) {
- delete *it;
- }
- patches.clear();
- }
-
- static std::vector<Value*> patches;
- static TemporaryFile* output_f;
- static std::string output_loc;
+ public:
+ static void SetUpTestCase() {
+ ApplyPatchTest::SetUpTestCase();
+
+ output_f = new TemporaryFile();
+ output_loc = std::string(output_f->path);
+
+ struct FileContents fc;
+
+ ASSERT_EQ(0, LoadFileContents(&rand_file[0], &fc));
+ patches.push_back(
+ std::make_unique<Value>(VAL_BLOB, std::string(fc.data.begin(), fc.data.end())));
+
+ ASSERT_EQ(0, LoadFileContents(&patch_file[0], &fc));
+ patches.push_back(
+ std::make_unique<Value>(VAL_BLOB, std::string(fc.data.begin(), fc.data.end())));
+ }
+
+ static void TearDownTestCase() {
+ delete output_f;
+ }
+
+ static std::vector<std::unique_ptr<Value>> patches;
+ static TemporaryFile* output_f;
+ static std::string output_loc;
};
class ApplyPatchDoubleCacheTest : public ApplyPatchFullTest {
- public:
- virtual void SetUp() {
- ApplyPatchCacheTest::SetUp();
- cp(cache_file, "/cache/reallysaved.file");
- }
-
- virtual void TearDown() {
- cp("/cache/reallysaved.file", cache_file);
- ApplyPatchCacheTest::TearDown();
- }
+ public:
+ virtual void SetUp() {
+ ApplyPatchCacheTest::SetUp();
+ cp(cache_file, "/cache/reallysaved.file");
+ }
+
+ virtual void TearDown() {
+ cp("/cache/reallysaved.file", cache_file);
+ ApplyPatchCacheTest::TearDown();
+ }
};
std::string ApplyPatchTest::rand_file;
@@ -196,7 +188,7 @@ std::string ApplyPatchTest::bad_sha1_b;
size_t ApplyPatchTest::new_size;
-std::vector<Value*> ApplyPatchFullTest::patches;
+std::vector<std::unique_ptr<Value>> ApplyPatchFullTest::patches;
TemporaryFile* ApplyPatchFullTest::output_f;
std::string ApplyPatchFullTest::output_loc;
@@ -287,7 +279,7 @@ TEST_F(ApplyPatchFullTest, ApplyInPlace) {
&new_sha1[0],
new_size,
sha1s,
- patches.data(),
+ patches,
nullptr);
ASSERT_EQ(0, ap_result);
ASSERT_TRUE(file_cmp(old_file, new_file));
@@ -297,7 +289,7 @@ TEST_F(ApplyPatchFullTest, ApplyInPlace) {
&new_sha1[0],
new_size,
sha1s,
- patches.data(),
+ patches,
nullptr);
ASSERT_EQ(0, ap_result);
ASSERT_TRUE(file_cmp(old_file, new_file));
@@ -308,75 +300,95 @@ TEST_F(ApplyPatchFullTest, ApplyInNewLocation) {
bad_sha1_a,
old_sha1
};
- int ap_result = applypatch(&old_file[0],
+ // Apply bsdiff patch to new location.
+ ASSERT_EQ(0, applypatch(&old_file[0],
&output_loc[0],
&new_sha1[0],
new_size,
sha1s,
- patches.data(),
- nullptr);
- ASSERT_EQ(0, ap_result);
+ patches,
+ nullptr));
ASSERT_TRUE(file_cmp(output_loc, new_file));
- ap_result = applypatch(&old_file[0],
+
+ // Reapply to the same location.
+ ASSERT_EQ(0, applypatch(&old_file[0],
&output_loc[0],
&new_sha1[0],
new_size,
sha1s,
- patches.data(),
- nullptr);
- ASSERT_EQ(0, ap_result);
+ patches,
+ nullptr));
ASSERT_TRUE(file_cmp(output_loc, new_file));
}
TEST_F(ApplyPatchFullTest, ApplyCorruptedInNewLocation) {
- mangle_file(old_file);
std::vector<std::string> sha1s = {
bad_sha1_a,
old_sha1
};
+ // Apply bsdiff patch to new location with corrupted source.
+ mangle_file(old_file);
int ap_result = applypatch(&old_file[0],
&output_loc[0],
&new_sha1[0],
new_size,
sha1s,
- patches.data(),
+ patches,
nullptr);
ASSERT_EQ(0, ap_result);
ASSERT_TRUE(file_cmp(output_loc, new_file));
+
+ // Reapply bsdiff patch to new location with corrupted source.
ap_result = applypatch(&old_file[0],
&output_loc[0],
&new_sha1[0],
new_size,
sha1s,
- patches.data(),
+ patches,
nullptr);
ASSERT_EQ(0, ap_result);
ASSERT_TRUE(file_cmp(output_loc, new_file));
}
TEST_F(ApplyPatchDoubleCacheTest, ApplyDoubleCorruptedInNewLocation) {
- mangle_file(old_file);
- mangle_file(cache_file);
-
std::vector<std::string> sha1s = {
bad_sha1_a,
old_sha1
};
+
+ // Apply bsdiff patch to new location with corrupted source and copy (no new file).
+ // Expected to fail.
+ mangle_file(old_file);
+ mangle_file(cache_file);
int ap_result = applypatch(&old_file[0],
&output_loc[0],
&new_sha1[0],
new_size,
sha1s,
- patches.data(),
+ patches,
+ nullptr);
+ ASSERT_NE(0, ap_result);
+ ASSERT_FALSE(file_cmp(output_loc, new_file));
+
+ // Expected to fail again on retry.
+ ap_result = applypatch(&old_file[0],
+ &output_loc[0],
+ &new_sha1[0],
+ new_size,
+ sha1s,
+ patches,
nullptr);
ASSERT_NE(0, ap_result);
ASSERT_FALSE(file_cmp(output_loc, new_file));
+
+ // Expected to fail with incorrect new file.
+ mangle_file(output_loc);
ap_result = applypatch(&old_file[0],
&output_loc[0],
&new_sha1[0],
new_size,
sha1s,
- patches.data(),
+ patches,
nullptr);
ASSERT_NE(0, ap_result);
ASSERT_FALSE(file_cmp(output_loc, new_file));
diff --git a/updater/install.cpp b/updater/install.cpp
index a41c5db3c..5f3f675b1 100644
--- a/updater/install.cpp
+++ b/updater/install.cpp
@@ -1061,15 +1061,13 @@ Value* ApplyPatchFn(const char* name, State* state, int argc, Expr* argv[]) {
}
std::vector<std::string> patch_sha_str;
- std::vector<Value*> patch_ptrs;
for (int i = 0; i < patchcount; ++i) {
patch_sha_str.push_back(patch_shas[i]->data);
- patch_ptrs.push_back(patches[i].get());
}
int result = applypatch(source_filename, target_filename,
target_sha1, target_size,
- patch_sha_str, patch_ptrs.data(), NULL);
+ patch_sha_str, patches, NULL);
return StringValue(result == 0 ? "t" : "");
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 16:07:55 +0100