| /* |
| * Copyright (C) 2013 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 "UidMarkMap.h" |
| #include "NetdConstants.h" |
| |
| UidMarkMap::UidMarkEntry::UidMarkEntry(int start, int end, int new_mark) : |
| uid_start(start), |
| uid_end(end), |
| mark(new_mark) { |
| }; |
| |
| bool UidMarkMap::add(int uid_start, int uid_end, int mark) { |
| android::RWLock::AutoWLock lock(mRWLock); |
| if (uid_start > uid_end) { |
| return false; |
| } |
| |
| UidMarkEntry *e = new UidMarkEntry(uid_start, uid_end, mark); |
| mMap.push_front(e); |
| return true; |
| }; |
| |
| bool UidMarkMap::remove(int uid_start, int uid_end, int mark) { |
| android::RWLock::AutoWLock lock(mRWLock); |
| android::netd::List<UidMarkEntry*>::iterator it; |
| for (it = mMap.begin(); it != mMap.end(); it++) { |
| UidMarkEntry *entry = *it; |
| if (entry->uid_start == uid_start && entry->uid_end == uid_end && entry->mark == mark) { |
| mMap.erase(it); |
| delete entry; |
| return true; |
| } |
| } |
| return false; |
| }; |
| |
| int UidMarkMap::getMark(int uid) { |
| android::RWLock::AutoRLock lock(mRWLock); |
| android::netd::List<UidMarkEntry*>::iterator it; |
| for (it = mMap.begin(); it != mMap.end(); it++) { |
| UidMarkEntry *entry = *it; |
| if (entry->uid_start <= uid && entry->uid_end >= uid) { |
| return entry->mark; |
| } |
| } |
| // If the uid has no mark specified then it should be protected from any VPN rules that might |
| // be affecting the service acting on its behalf. |
| return PROTECT_MARK; |
| }; |
| |
| bool UidMarkMap::anyRulesForMark(int mark) { |
| android::RWLock::AutoRLock lock(mRWLock); |
| android::netd::List<UidMarkEntry*>::iterator it; |
| for (it = mMap.begin(); it != mMap.end(); it++) { |
| UidMarkEntry *entry = *it; |
| if (entry->mark == mark) { |
| return true; |
| } |
| } |
| return false; |
| } |