1 files changed, 0 insertions, 456 deletions
diff --git a/gd/storage/legacy_osi_config.cc b/gd/storage/legacy_osi_config.cc
deleted file mode 100644
index b75d96ce8..000000000
--- a/gd/storage/legacy_osi_config.cc
+++ /dev/null
@@ -1,456 +0,0 @@
-/*
- * Copyright 2020 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.
- */
-
-#include "storage/legacy_osi_config.h"
-
-#include <base/files/file_util.h>
-#include <fcntl.h>
-#include <string>
-
-#include "os/log.h"
-
-namespace {
-
-bool config_parse(FILE* fp, config_t* config);
-
-template <typename T,
-          class = typename std::enable_if<std::is_same<config_t, typename std::remove_const<T>::type>::value>>
-auto section_find(T& config, const std::string& section) {
-  return std::find_if(config.sections.begin(), config.sections.end(),
-                      [&section](const section_t& sec) { return sec.name == section; });
-}
-
-const entry_t* entry_find(const config_t& config, const std::string& section, const std::string& key) {
-  auto sec = section_find(config, section);
-  if (sec == config.sections.end()) return nullptr;
-
-  for (const entry_t& entry : sec->entries) {
-    if (entry.key == key) return &entry;
-  }
-
-  return nullptr;
-}
-
-char* trim(char* str) {
-  while (isspace(*str)) ++str;
-
-  if (!*str) return str;
-
-  char* end_str = str + strlen(str) - 1;
-  while (end_str > str && isspace(*end_str)) --end_str;
-
-  end_str[1] = '\0';
-  return str;
-}
-
-bool config_parse(FILE* fp, config_t* config) {
-  CHECK(fp != nullptr);
-  CHECK(config != nullptr);
-
-  int line_num = 0;
-  char line[1024];
-  char section[1024];
-  strcpy(section, CONFIG_DEFAULT_SECTION);
-
-  while (fgets(line, sizeof(line), fp)) {
-    char* line_ptr = trim(line);
-    ++line_num;
-
-    // Skip blank and comment lines.
-    if (*line_ptr == '\0' || *line_ptr == '#') continue;
-
-    if (*line_ptr == '[') {
-      size_t len = strlen(line_ptr);
-      if (line_ptr[len - 1] != ']') {
-        VLOG(1) << __func__ << ": unterminated section name on line " << line_num;
-        return false;
-      }
-      strncpy(section, line_ptr + 1, len - 2);  // NOLINT (len < 1024)
-      section[len - 2] = '\0';
-    } else {
-      char* split = strchr(line_ptr, '=');
-      if (!split) {
-        VLOG(1) << __func__ << ": no key/value separator found on line " << line_num;
-        return false;
-      }
-
-      *split = '\0';
-      bluetooth::legacy::osi::config::config_set_string(config, section, trim(line_ptr), trim(split + 1));
-    }
-  }
-  return true;
-}
-
-}  // namespace
-
-std::unique_ptr<config_t> bluetooth::legacy::osi::config::config_new_empty(void) {
-  return std::make_unique<config_t>();
-}
-
-std::unique_ptr<config_t> bluetooth::legacy::osi::config::config_new(const char* filename) {
-  CHECK(filename != nullptr);
-
-  std::unique_ptr<config_t> config = config_new_empty();
-
-  FILE* fp = fopen(filename, "rt");
-  if (!fp) {
-    LOG(ERROR) << __func__ << ": unable to open file '" << filename << "': " << strerror(errno);
-    return nullptr;
-  }
-
-  if (!config_parse(fp, config.get())) {
-    config.reset();
-  }
-
-  fclose(fp);
-  return config;
-}
-
-std::string bluetooth::legacy::osi::config::checksum_read(const char* filename) {
-  base::FilePath path(filename);
-  if (!base::PathExists(path)) {
-    LOG(ERROR) << __func__ << ": unable to locate file '" << filename << "'";
-    return "";
-  }
-  std::string encrypted_hash;
-  if (!base::ReadFileToString(path, &encrypted_hash)) {
-    LOG(ERROR) << __func__ << ": unable to read file '" << filename << "'";
-  }
-  return encrypted_hash;
-}
-
-std::unique_ptr<config_t> bluetooth::legacy::osi::config::config_new_clone(const config_t& src) {
-  std::unique_ptr<config_t> ret = config_new_empty();
-
-  for (const section_t& sec : src.sections) {
-    for (const entry_t& entry : sec.entries) {
-      legacy::osi::config::config_set_string(ret.get(), sec.name, entry.key, entry.value);
-    }
-  }
-
-  return ret;
-}
-
-bool bluetooth::legacy::osi::config::config_has_section(const config_t& config, const std::string& section) {
-  return (section_find(config, section) != config.sections.end());
-}
-
-bool bluetooth::legacy::osi::config::config_has_key(const config_t& config, const std::string& section,
-                                                    const std::string& key) {
-  return (entry_find(config, section, key) != nullptr);
-}
-
-int bluetooth::legacy::osi::config::config_get_int(const config_t& config, const std::string& section,
-                                                   const std::string& key, int def_value) {
-  const entry_t* entry = entry_find(config, section, key);
-  if (!entry) return def_value;
-
-  char* endptr;
-  int ret = strtol(entry->value.c_str(), &endptr, 0);
-  return (*endptr == '\0') ? ret : def_value;
-}
-
-uint64_t bluetooth::legacy::osi::config::config_get_uint64(const config_t& config, const std::string& section,
-                                                           const std::string& key, uint64_t def_value) {
-  const entry_t* entry = entry_find(config, section, key);
-  if (!entry) return def_value;
-
-  char* endptr;
-  uint64_t ret = strtoull(entry->value.c_str(), &endptr, 0);
-  return (*endptr == '\0') ? ret : def_value;
-}
-
-bool bluetooth::legacy::osi::config::config_get_bool(const config_t& config, const std::string& section,
-                                                     const std::string& key, bool def_value) {
-  const entry_t* entry = entry_find(config, section, key);
-  if (!entry) return def_value;
-
-  if (entry->value == "true") return true;
-  if (entry->value == "false") return false;
-
-  return def_value;
-}
-
-const std::string* bluetooth::legacy::osi::config::config_get_string(const config_t& config, const std::string& section,
-                                                                     const std::string& key,
-                                                                     const std::string* def_value) {
-  const entry_t* entry = entry_find(config, section, key);
-  if (!entry) return def_value;
-
-  return &entry->value;
-}
-
-void bluetooth::legacy::osi::config::config_set_int(config_t* config, const std::string& section,
-                                                    const std::string& key, int value) {
-  legacy::osi::config::config_set_string(config, section, key, std::to_string(value));
-}
-
-void bluetooth::legacy::osi::config::config_set_uint64(config_t* config, const std::string& section,
-                                                       const std::string& key, uint64_t value) {
-  legacy::osi::config::config_set_string(config, section, key, std::to_string(value));
-}
-
-void bluetooth::legacy::osi::config::config_set_bool(config_t* config, const std::string& section,
-                                                     const std::string& key, bool value) {
-  legacy::osi::config::config_set_string(config, section, key, value ? "true" : "false");
-}
-
-void bluetooth::legacy::osi::config::config_set_string(config_t* config, const std::string& section,
-                                                       const std::string& key, const std::string& value) {
-  CHECK(config);
-
-  auto sec = section_find(*config, section);
-  if (sec == config->sections.end()) {
-    config->sections.emplace_back(section_t{.name = section});
-    sec = std::prev(config->sections.end());
-  }
-
-  std::string value_no_newline;
-  size_t newline_position = value.find('\n');
-  if (newline_position != std::string::npos) {
-    LOG_WARN("%s", "android_errorWriteLog(0x534e4554, 70808273)");
-    value_no_newline = value.substr(0, newline_position);
-  } else {
-    value_no_newline = value;
-  }
-
-  for (entry_t& entry : sec->entries) {
-    if (entry.key == key) {
-      entry.value = value_no_newline;
-      return;
-    }
-  }
-
-  sec->entries.emplace_back(entry_t{.key = key, .value = value_no_newline});
-}
-
-bool bluetooth::legacy::osi::config::config_remove_section(config_t* config, const std::string& section) {
-  CHECK(config);
-
-  auto sec = section_find(*config, section);
-  if (sec == config->sections.end()) return false;
-
-  config->sections.erase(sec);
-  return true;
-}
-
-bool bluetooth::legacy::osi::config::config_remove_key(config_t* config, const std::string& section,
-                                                       const std::string& key) {
-  CHECK(config);
-  auto sec = section_find(*config, section);
-  if (sec == config->sections.end()) return false;
-
-  for (auto entry = sec->entries.begin(); entry != sec->entries.end(); ++entry) {
-    if (entry->key == key) {
-      sec->entries.erase(entry);
-      return true;
-    }
-  }
-
-  return false;
-}
-
-bool bluetooth::legacy::osi::config::config_save(const config_t& config, const std::string& filename) {
-  CHECK(!filename.empty());
-
-  // Steps to ensure content of config file gets to disk:
-  //
-  // 1) Open and write to temp file (e.g. bt_config.conf.new).
-  // 2) Flush the stream buffer to the temp file.
-  // 3) Sync the temp file to disk with fsync().
-  // 4) Rename temp file to actual config file (e.g. bt_config.conf).
-  //    This ensures atomic update.
-  // 5) Sync directory that has the conf file with fsync().
-  //    This ensures directory entries are up-to-date.
-  int dir_fd = -1;
-  FILE* fp = nullptr;
-  std::stringstream serialized;
-
-  // Build temp config file based on config file (e.g. bt_config.conf.new).
-  const std::string temp_filename = filename + ".new";
-
-  // Extract directory from file path (e.g. /data/misc/bluedroid).
-  const std::string directoryname = base::FilePath(filename).DirName().value();
-  if (directoryname.empty()) {
-    LOG(ERROR) << __func__ << ": error extracting directory from '" << filename << "': " << strerror(errno);
-    goto error;
-  }
-
-  dir_fd = open(directoryname.c_str(), O_RDONLY);
-  if (dir_fd < 0) {
-    LOG(ERROR) << __func__ << ": unable to open dir '" << directoryname << "': " << strerror(errno);
-    goto error;
-  }
-
-  fp = fopen(temp_filename.c_str(), "wt");
-  if (!fp) {
-    LOG(ERROR) << __func__ << ": unable to write to file '" << temp_filename << "': " << strerror(errno);
-    goto error;
-  }
-
-  for (const section_t& section : config.sections) {
-    serialized << "[" << section.name << "]" << std::endl;
-
-    for (const entry_t& entry : section.entries) serialized << entry.key << " = " << entry.value << std::endl;
-
-    serialized << std::endl;
-  }
-
-  if (fprintf(fp, "%s", serialized.str().c_str()) < 0) {
-    LOG(ERROR) << __func__ << ": unable to write to file '" << temp_filename << "': " << strerror(errno);
-    goto error;
-  }
-
-  // Flush the stream buffer to the temp file.
-  if (fflush(fp) < 0) {
-    LOG(ERROR) << __func__ << ": unable to write flush buffer to file '" << temp_filename << "': " << strerror(errno);
-    goto error;
-  }
-
-  // Sync written temp file out to disk. fsync() is blocking until data makes it
-  // to disk.
-  if (fsync(fileno(fp)) < 0) {
-    LOG(WARNING) << __func__ << ": unable to fsync file '" << temp_filename << "': " << strerror(errno);
-  }
-
-  if (fclose(fp) == EOF) {
-    LOG(ERROR) << __func__ << ": unable to close file '" << temp_filename << "': " << strerror(errno);
-    goto error;
-  }
-  fp = nullptr;
-
-  // Change the file's permissions to Read/Write by User and Group
-  if (chmod(temp_filename.c_str(), S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP) == -1) {
-    LOG(ERROR) << __func__ << ": unable to change file permissions '" << filename << "': " << strerror(errno);
-    goto error;
-  }
-
-  // Rename written temp file to the actual config file.
-  if (rename(temp_filename.c_str(), filename.c_str()) == -1) {
-    LOG(ERROR) << __func__ << ": unable to commit file '" << filename << "': " << strerror(errno);
-    goto error;
-  }
-
-  // This should ensure the directory is updated as well.
-  if (fsync(dir_fd) < 0) {
-    LOG(WARNING) << __func__ << ": unable to fsync dir '" << directoryname << "': " << strerror(errno);
-  }
-
-  if (close(dir_fd) < 0) {
-    LOG(ERROR) << __func__ << ": unable to close dir '" << directoryname << "': " << strerror(errno);
-    goto error;
-  }
-
-  return true;
-
-error:
-  // This indicates there is a write issue.  Unlink as partial data is not
-  // acceptable.
-  unlink(temp_filename.c_str());
-  if (fp) fclose(fp);
-  if (dir_fd != -1) close(dir_fd);
-  return false;
-}
-
-bool bluetooth::legacy::osi::config::checksum_save(const std::string& checksum, const std::string& filename) {
-  CHECK(!checksum.empty()) << __func__ << ": checksum cannot be empty";
-  CHECK(!filename.empty()) << __func__ << ": filename cannot be empty";
-
-  // Steps to ensure content of config checksum file gets to disk:
-  //
-  // 1) Open and write to temp file (e.g.
-  // bt_config.conf.encrypted-checksum.new). 2) Sync the temp file to disk with
-  // fsync(). 3) Rename temp file to actual config checksum file (e.g.
-  // bt_config.conf.encrypted-checksum).
-  //    This ensures atomic update.
-  // 4) Sync directory that has the conf file with fsync().
-  //    This ensures directory entries are up-to-date.
-  FILE* fp = nullptr;
-  int dir_fd = -1;
-
-  // Build temp config checksum file based on config checksum file (e.g.
-  // bt_config.conf.encrypted-checksum.new).
-  const std::string temp_filename = filename + ".new";
-  base::FilePath path(temp_filename);
-
-  // Extract directory from file path (e.g. /data/misc/bluedroid).
-  const std::string directoryname = base::FilePath(filename).DirName().value();
-  if (directoryname.empty()) {
-    LOG(ERROR) << __func__ << ": error extracting directory from '" << filename << "': " << strerror(errno);
-    goto error2;
-  }
-
-  dir_fd = open(directoryname.c_str(), O_RDONLY);
-  if (dir_fd < 0) {
-    LOG(ERROR) << __func__ << ": unable to open dir '" << directoryname << "': " << strerror(errno);
-    goto error2;
-  }
-
-  if (base::WriteFile(path, checksum.data(), checksum.size()) != (int)checksum.size()) {
-    LOG(ERROR) << __func__ << ": unable to write file '" << filename.c_str();
-    goto error2;
-  }
-
-  fp = fopen(temp_filename.c_str(), "rb");
-  if (!fp) {
-    LOG(ERROR) << __func__ << ": unable to write to file '" << temp_filename << "': " << strerror(errno);
-    goto error2;
-  }
-
-  // Sync written temp file out to disk. fsync() is blocking until data makes it
-  // to disk.
-  if (fsync(fileno(fp)) < 0) {
-    LOG(WARNING) << __func__ << ": unable to fsync file '" << temp_filename << "': " << strerror(errno);
-  }
-
-  if (fclose(fp) == EOF) {
-    LOG(ERROR) << __func__ << ": unable to close file '" << temp_filename << "': " << strerror(errno);
-    goto error2;
-  }
-  fp = nullptr;
-
-  // Change the file's permissions to Read/Write by User and Group
-  if (chmod(temp_filename.c_str(), S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP) == -1) {
-    LOG(ERROR) << __func__ << ": unable to change file permissions '" << filename << "': " << strerror(errno);
-    goto error2;
-  }
-
-  // Rename written temp file to the actual config file.
-  if (rename(temp_filename.c_str(), filename.c_str()) == -1) {
-    LOG(ERROR) << __func__ << ": unable to commit file '" << filename << "': " << strerror(errno);
-    goto error2;
-  }
-
-  // This should ensure the directory is updated as well.
-  if (fsync(dir_fd) < 0) {
-    LOG(WARNING) << __func__ << ": unable to fsync dir '" << directoryname << "': " << strerror(errno);
-  }
-
-  if (close(dir_fd) < 0) {
-    LOG(ERROR) << __func__ << ": unable to close dir '" << directoryname << "': " << strerror(errno);
-    goto error2;
-  }
-
-  return true;
-
-error2:
-  // This indicates there is a write issue.  Unlink as partial data is not
-  // acceptable.
-  unlink(temp_filename.c_str());
-  if (fp) fclose(fp);
-  if (dir_fd != -1) close(dir_fd);
-  return false;
-}