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-rw-r--r--applypatch/applypatch.cpp4
-rw-r--r--otafault/ota_io.cpp20
-rw-r--r--otafault/ota_io.h16
-rw-r--r--updater/install.cpp142
4 files changed, 93 insertions, 89 deletions
diff --git a/applypatch/applypatch.cpp b/applypatch/applypatch.cpp
index 0250407a5..95389da6e 100644
--- a/applypatch/applypatch.cpp
+++ b/applypatch/applypatch.cpp
@@ -66,7 +66,7 @@ int LoadFileContents(const char* filename, FileContents* file) {
}
std::vector<unsigned char> data(file->st.st_size);
- std::unique_ptr<FILE, int (*)(FILE*)> f(ota_fopen(filename, "rb"), ota_fclose);
+ unique_file f(ota_fopen(filename, "rb"));
if (!f) {
printf("failed to open \"%s\": %s\n", filename, strerror(errno));
return -1;
@@ -118,7 +118,7 @@ static int LoadPartitionContents(const std::string& filename, FileContents* file
std::sort(pairs.begin(), pairs.end());
const char* partition = pieces[1].c_str();
- std::unique_ptr<FILE, int (*)(FILE*)> dev(ota_fopen(partition, "rb"), ota_fclose);
+ unique_file dev(ota_fopen(partition, "rb"));
if (!dev) {
printf("failed to open emmc partition \"%s\": %s\n", partition, strerror(errno));
return -1;
diff --git a/otafault/ota_io.cpp b/otafault/ota_io.cpp
index 874cb1d5c..f5b01136f 100644
--- a/otafault/ota_io.cpp
+++ b/otafault/ota_io.cpp
@@ -70,23 +70,31 @@ FILE* ota_fopen(const char* path, const char* mode) {
return fh;
}
-int ota_close(int fd) {
+static int __ota_close(int fd) {
// descriptors can be reused, so make sure not to leave them in the cache
filename_cache.erase(fd);
return close(fd);
}
+void OtaCloser::Close(int fd) {
+ __ota_close(fd);
+}
+
int ota_close(unique_fd& fd) {
- return ota_close(fd.release());
+ return __ota_close(fd.release());
}
-int ota_fclose(FILE* fh) {
- filename_cache.erase((intptr_t)fh);
+static int __ota_fclose(FILE* fh) {
+ filename_cache.erase(reinterpret_cast<intptr_t>(fh));
return fclose(fh);
}
-int ota_fclose(std::unique_ptr<FILE, int (*)(FILE*)>& fh) {
- return ota_fclose(fh.release());
+void OtaFcloser::operator()(FILE* f) {
+ __ota_fclose(f);
+};
+
+int ota_fclose(unique_file& fh) {
+ return __ota_fclose(fh.release());
}
size_t ota_fread(void* ptr, size_t size, size_t nitems, FILE* stream) {
diff --git a/otafault/ota_io.h b/otafault/ota_io.h
index 45d17b1bb..395b4230e 100644
--- a/otafault/ota_io.h
+++ b/otafault/ota_io.h
@@ -40,10 +40,6 @@ int ota_open(const char* path, int oflags, mode_t mode);
FILE* ota_fopen(const char* filename, const char* mode);
-int ota_close(int fd);
-
-int ota_fclose(FILE* fh);
-
size_t ota_fread(void* ptr, size_t size, size_t nitems, FILE* stream);
ssize_t ota_read(int fd, void* buf, size_t nbyte);
@@ -55,15 +51,19 @@ ssize_t ota_write(int fd, const void* buf, size_t nbyte);
int ota_fsync(int fd);
struct OtaCloser {
- static void Close(int fd) {
- ota_close(fd);
- }
+ static void Close(int);
};
using unique_fd = android::base::unique_fd_impl<OtaCloser>;
int ota_close(unique_fd& fd);
-int ota_fclose(std::unique_ptr<FILE, int (*)(FILE*)>& fh);
+struct OtaFcloser {
+ void operator()(FILE*);
+};
+
+using unique_file = std::unique_ptr<FILE, OtaFcloser>;
+
+int ota_fclose(unique_file& fh);
#endif
diff --git a/updater/install.cpp b/updater/install.cpp
index b9bc19e2c..8db5c1fe0 100644
--- a/updater/install.cpp
+++ b/updater/install.cpp
@@ -509,8 +509,8 @@ Value* PackageExtractFileFn(const char* name, State* state, int argc, Expr* argv
return StringValue("");
}
- int fd = TEMP_FAILURE_RETRY(
- ota_open(dest_path.c_str(), O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR));
+ unique_fd fd(TEMP_FAILURE_RETRY(
+ ota_open(dest_path.c_str(), O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR)));
if (fd == -1) {
printf("%s: can't open %s for write: %s\n", name, dest_path.c_str(), strerror(errno));
return StringValue("");
@@ -872,68 +872,67 @@ Value* GetPropFn(const char* name, State* state, int argc, Expr* argv[]) {
// per line. # comment lines, blank lines, lines without '=' ignored),
// and returns the value for 'key' (or "" if it isn't defined).
Value* FileGetPropFn(const char* name, State* state, int argc, Expr* argv[]) {
- if (argc != 2) {
- return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc);
- }
+ if (argc != 2) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc);
+ }
- std::vector<std::string> args;
- if (!ReadArgs(state, 2, argv, &args)) {
- return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
- }
- const std::string& filename = args[0];
- const std::string& key = args[1];
+ std::vector<std::string> args;
+ if (!ReadArgs(state, 2, argv, &args)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
+ }
+ const std::string& filename = args[0];
+ const std::string& key = args[1];
- struct stat st;
- if (stat(filename.c_str(), &st) < 0) {
- return ErrorAbort(state, kFileGetPropFailure, "%s: failed to stat \"%s\": %s", name,
- filename.c_str(), strerror(errno));
- }
+ struct stat st;
+ if (stat(filename.c_str(), &st) < 0) {
+ return ErrorAbort(state, kFileGetPropFailure, "%s: failed to stat \"%s\": %s", name,
+ filename.c_str(), strerror(errno));
+ }
- constexpr off_t MAX_FILE_GETPROP_SIZE = 65536;
- if (st.st_size > MAX_FILE_GETPROP_SIZE) {
- return ErrorAbort(state, kFileGetPropFailure, "%s too large for %s (max %lld)",
- filename.c_str(), name, static_cast<long long>(MAX_FILE_GETPROP_SIZE));
- }
+ constexpr off_t MAX_FILE_GETPROP_SIZE = 65536;
+ if (st.st_size > MAX_FILE_GETPROP_SIZE) {
+ return ErrorAbort(state, kFileGetPropFailure, "%s too large for %s (max %lld)",
+ filename.c_str(), name, static_cast<long long>(MAX_FILE_GETPROP_SIZE));
+ }
- std::string buffer(st.st_size, '\0');
- FILE* f = ota_fopen(filename.c_str(), "rb");
- if (f == nullptr) {
- return ErrorAbort(state, kFileOpenFailure, "%s: failed to open %s: %s", name,
- filename.c_str(), strerror(errno));
- }
+ std::string buffer(st.st_size, '\0');
+ unique_file f(ota_fopen(filename.c_str(), "rb"));
+ if (f == nullptr) {
+ return ErrorAbort(state, kFileOpenFailure, "%s: failed to open %s: %s", name, filename.c_str(),
+ strerror(errno));
+ }
- if (ota_fread(&buffer[0], 1, st.st_size, f) != static_cast<size_t>(st.st_size)) {
- ErrorAbort(state, kFreadFailure, "%s: failed to read %zu bytes from %s",
- name, static_cast<size_t>(st.st_size), filename.c_str());
- ota_fclose(f);
- return nullptr;
- }
+ if (ota_fread(&buffer[0], 1, st.st_size, f.get()) != static_cast<size_t>(st.st_size)) {
+ ErrorAbort(state, kFreadFailure, "%s: failed to read %zu bytes from %s", name,
+ static_cast<size_t>(st.st_size), filename.c_str());
+ return nullptr;
+ }
- ota_fclose(f);
+ ota_fclose(f);
- std::vector<std::string> lines = android::base::Split(buffer, "\n");
- for (size_t i = 0; i < lines.size(); i++) {
- std::string line = android::base::Trim(lines[i]);
+ std::vector<std::string> lines = android::base::Split(buffer, "\n");
+ for (size_t i = 0; i < lines.size(); i++) {
+ std::string line = android::base::Trim(lines[i]);
- // comment or blank line: skip to next line
- if (line.empty() || line[0] == '#') {
- continue;
- }
- size_t equal_pos = line.find('=');
- if (equal_pos == std::string::npos) {
- continue;
- }
+ // comment or blank line: skip to next line
+ if (line.empty() || line[0] == '#') {
+ continue;
+ }
+ size_t equal_pos = line.find('=');
+ if (equal_pos == std::string::npos) {
+ continue;
+ }
- // trim whitespace between key and '='
- std::string str = android::base::Trim(line.substr(0, equal_pos));
+ // trim whitespace between key and '='
+ std::string str = android::base::Trim(line.substr(0, equal_pos));
- // not the key we're looking for
- if (key != str) continue;
+ // not the key we're looking for
+ if (key != str) continue;
- return StringValue(android::base::Trim(line.substr(equal_pos + 1)));
- }
+ return StringValue(android::base::Trim(line.substr(equal_pos + 1)));
+ }
- return StringValue("");
+ return StringValue("");
}
// apply_patch_space(bytes)
@@ -1292,29 +1291,26 @@ Value* GetStageFn(const char* name, State* state, int argc, Expr* argv[]) {
}
Value* WipeBlockDeviceFn(const char* name, State* state, int argc, Expr* argv[]) {
- if (argc != 2) {
- return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc);
- }
-
- std::vector<std::string> args;
- if (!ReadArgs(state, 2, argv, &args)) {
- return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
- }
- const std::string& filename = args[0];
- const std::string& len_str = args[1];
-
- size_t len;
- if (!android::base::ParseUint(len_str.c_str(), &len)) {
- return nullptr;
- }
- int fd = ota_open(filename.c_str(), O_WRONLY, 0644);
- // The wipe_block_device function in ext4_utils returns 0 on success and 1
- // for failure.
- int status = wipe_block_device(fd, len);
+ if (argc != 2) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc);
+ }
- ota_close(fd);
+ std::vector<std::string> args;
+ if (!ReadArgs(state, 2, argv, &args)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
+ }
+ const std::string& filename = args[0];
+ const std::string& len_str = args[1];
- return StringValue((status == 0) ? "t" : "");
+ size_t len;
+ if (!android::base::ParseUint(len_str.c_str(), &len)) {
+ return nullptr;
+ }
+ unique_fd fd(ota_open(filename.c_str(), O_WRONLY, 0644));
+ // The wipe_block_device function in ext4_utils returns 0 on success and 1
+ // for failure.
+ int status = wipe_block_device(fd, len);
+ return StringValue((status == 0) ? "t" : "");
}
Value* EnableRebootFn(const char* name, State* state, int argc, Expr* argv[]) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 18:40:16 +0100