1 files changed, 0 insertions, 114 deletions
diff --git a/security/keymint/support/keymint_utils.cpp b/security/keymint/support/keymint_utils.cpp
deleted file mode 100644
index cd4cca222a..0000000000
--- a/security/keymint/support/keymint_utils.cpp
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * Copyright (C) 2018 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 <regex.h>
-
-#include <android-base/properties.h>
-#include <hardware/hw_auth_token.h>
-#include <keymint_support/keymint_utils.h>
-
-#include <arpa/inet.h>
-
-namespace android::hardware::security::keymint {
-
-namespace {
-
-constexpr char kPlatformVersionProp[] = "ro.build.version.release";
-constexpr char kPlatformVersionRegex[] = "^([0-9]{1,2})(\\.([0-9]{1,2}))?(\\.([0-9]{1,2}))?";
-constexpr size_t kMajorVersionMatch = 1;
-constexpr size_t kMinorVersionMatch = 3;
-constexpr size_t kSubminorVersionMatch = 5;
-constexpr size_t kPlatformVersionMatchCount = kSubminorVersionMatch + 1;
-
-constexpr char kPlatformPatchlevelProp[] = "ro.build.version.security_patch";
-constexpr char kPlatformPatchlevelRegex[] = "^([0-9]{4})-([0-9]{2})-[0-9]{2}$";
-constexpr size_t kYearMatch = 1;
-constexpr size_t kMonthMatch = 2;
-constexpr size_t kPlatformPatchlevelMatchCount = kMonthMatch + 1;
-
-uint32_t match_to_uint32(const char* expression, const regmatch_t& match) {
-    if (match.rm_so == -1) return 0;
-
-    size_t len = match.rm_eo - match.rm_so;
-    std::string s(expression + match.rm_so, len);
-    return std::stoul(s);
-}
-
-std::string wait_and_get_property(const char* prop) {
-    std::string prop_value;
-    while (!::android::base::WaitForPropertyCreation(prop))
-        ;
-    prop_value = ::android::base::GetProperty(prop, "" /* default */);
-    return prop_value;
-}
-
-}  // anonymous namespace
-
-uint32_t getOsVersion(const char* version_str) {
-    regex_t regex;
-    if (regcomp(&regex, kPlatformVersionRegex, REG_EXTENDED)) {
-        return 0;
-    }
-
-    regmatch_t matches[kPlatformVersionMatchCount];
-    int not_match =
-            regexec(&regex, version_str, kPlatformVersionMatchCount, matches, 0 /* flags */);
-    regfree(&regex);
-    if (not_match) {
-        return 0;
-    }
-
-    uint32_t major = match_to_uint32(version_str, matches[kMajorVersionMatch]);
-    uint32_t minor = match_to_uint32(version_str, matches[kMinorVersionMatch]);
-    uint32_t subminor = match_to_uint32(version_str, matches[kSubminorVersionMatch]);
-
-    return (major * 100 + minor) * 100 + subminor;
-}
-
-uint32_t getOsVersion() {
-    std::string version = wait_and_get_property(kPlatformVersionProp);
-    return getOsVersion(version.c_str());
-}
-
-uint32_t getOsPatchlevel(const char* patchlevel_str) {
-    regex_t regex;
-    if (regcomp(&regex, kPlatformPatchlevelRegex, REG_EXTENDED) != 0) {
-        return 0;
-    }
-
-    regmatch_t matches[kPlatformPatchlevelMatchCount];
-    int not_match =
-            regexec(&regex, patchlevel_str, kPlatformPatchlevelMatchCount, matches, 0 /* flags */);
-    regfree(&regex);
-    if (not_match) {
-        return 0;
-    }
-
-    uint32_t year = match_to_uint32(patchlevel_str, matches[kYearMatch]);
-    uint32_t month = match_to_uint32(patchlevel_str, matches[kMonthMatch]);
-
-    if (month < 1 || month > 12) {
-        return 0;
-    }
-    return year * 100 + month;
-}
-
-uint32_t getOsPatchlevel() {
-    std::string patchlevel = wait_and_get_property(kPlatformPatchlevelProp);
-    return getOsPatchlevel(patchlevel.c_str());
-}
-
-}  // namespace android::hardware::security::keymint