| /* |
| * 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. |
| */ |
| |
| #include "Privacy.h" |
| |
| #include <android/os/IncidentReportArgs.h> |
| #include <stdlib.h> |
| |
| namespace android { |
| namespace os { |
| namespace incidentd { |
| |
| uint64_t encode_field_id(const Privacy* p) { return (uint64_t)p->type << 32 | p->field_id; } |
| |
| const Privacy* lookup(const Privacy* p, uint32_t fieldId) { |
| if (p->children == NULL) return NULL; |
| for (int i = 0; p->children[i] != NULL; i++) { // NULL-terminated. |
| if (p->children[i]->field_id == fieldId) return p->children[i]; |
| // Incident section gen tool guarantees field ids in ascending order. |
| if (p->children[i]->field_id > fieldId) return NULL; |
| } |
| return NULL; |
| } |
| |
| static bool allowDest(const uint8_t dest, const uint8_t policy) { |
| switch (policy) { |
| case android::os::DEST_LOCAL: |
| return dest == android::os::DEST_LOCAL; |
| case android::os::DEST_EXPLICIT: |
| case DEST_UNSET: |
| return dest == android::os::DEST_LOCAL || dest == android::os::DEST_EXPLICIT || |
| dest == DEST_UNSET; |
| case android::os::DEST_AUTOMATIC: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| bool PrivacySpec::operator<(const PrivacySpec& other) const { return dest < other.dest; } |
| |
| bool PrivacySpec::CheckPremission(const Privacy* privacy, const uint8_t defaultDest) const { |
| uint8_t policy = privacy != NULL ? privacy->dest : defaultDest; |
| return allowDest(dest, policy); |
| } |
| |
| bool PrivacySpec::RequireAll() const { return dest == android::os::DEST_LOCAL; } |
| |
| PrivacySpec PrivacySpec::new_spec(int dest) { |
| switch (dest) { |
| case android::os::DEST_AUTOMATIC: |
| case android::os::DEST_EXPLICIT: |
| case android::os::DEST_LOCAL: |
| return PrivacySpec(dest); |
| default: |
| return PrivacySpec(android::os::DEST_AUTOMATIC); |
| } |
| } |
| |
| } // namespace incidentd |
| } // namespace os |
| } // namespace android |