1 files changed, 0 insertions, 157 deletions
diff --git a/cmds/incidentd/src/PrivacyBuffer.cpp b/cmds/incidentd/src/PrivacyBuffer.cpp
deleted file mode 100644
index 08f535db01fa..000000000000
--- a/cmds/incidentd/src/PrivacyBuffer.cpp
+++ /dev/null
@@ -1,157 +0,0 @@
-/*
- * 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.
- */
-#define DEBUG false
-#include "Log.h"
-
-#include "PrivacyBuffer.h"
-#include "incidentd_util.h"
-
-#include <android-base/file.h>
-#include <android/util/protobuf.h>
-#include <log/log.h>
-
-namespace android {
-namespace os {
-namespace incidentd {
-
-/**
- * Write the field to buf based on the wire type, iterator will point to next field.
- * If skip is set to true, no data will be written to buf. Return number of bytes written.
- */
-void PrivacyBuffer::writeFieldOrSkip(uint32_t fieldTag, bool skip) {
-    uint8_t wireType = read_wire_type(fieldTag);
-    size_t bytesToWrite = 0;
-    uint64_t varint = 0;
-
-    switch (wireType) {
-        case WIRE_TYPE_VARINT:
-            varint = mData.readRawVarint();
-            if (!skip) {
-                mProto.writeRawVarint(fieldTag);
-                mProto.writeRawVarint(varint);
-            }
-            return;
-        case WIRE_TYPE_FIXED64:
-            if (!skip) mProto.writeRawVarint(fieldTag);
-            bytesToWrite = 8;
-            break;
-        case WIRE_TYPE_LENGTH_DELIMITED:
-            bytesToWrite = mData.readRawVarint();
-            if (!skip) mProto.writeLengthDelimitedHeader(read_field_id(fieldTag), bytesToWrite);
-            break;
-        case WIRE_TYPE_FIXED32:
-            if (!skip) mProto.writeRawVarint(fieldTag);
-            bytesToWrite = 4;
-            break;
-    }
-    if (skip) {
-        mData.rp()->move(bytesToWrite);
-    } else {
-        for (size_t i = 0; i < bytesToWrite; i++) {
-            mProto.writeRawByte(mData.next());
-        }
-    }
-}
-
-/**
- * Strip next field based on its private policy and request spec, then stores data in buf.
- * Return NO_ERROR if succeeds, otherwise BAD_VALUE is returned to indicate bad data in FdBuffer.
- *
- * The iterator must point to the head of a protobuf formatted field for successful operation.
- * After exit with NO_ERROR, iterator points to the next protobuf field's head.
- */
-status_t PrivacyBuffer::stripField(const Privacy* parentPolicy, const PrivacySpec& spec,
-                                   int depth /* use as a counter for this recusive method. */) {
-    if (!mData.hasNext() || parentPolicy == NULL) return BAD_VALUE;
-    uint32_t fieldTag = mData.readRawVarint();
-    uint32_t fieldId = read_field_id(fieldTag);
-    const Privacy* policy = lookup(parentPolicy, fieldId);
-
-    VLOG("[Depth %2d]Try to strip id %d, wiretype %d", depth, fieldId, read_wire_type(fieldTag));
-    if (policy == NULL || policy->children == NULL) {
-        bool skip = !spec.CheckPremission(policy, parentPolicy->dest);
-        // iterator will point to head of next field
-        size_t currentAt = mData.rp()->pos();
-        writeFieldOrSkip(fieldTag, skip);
-        VLOG("[Depth %2d]Field %d %ss %zu bytes", depth, fieldId, skip ? "skip" : "write",
-             get_varint_size(fieldTag) + mData.rp()->pos() - currentAt);
-        return NO_ERROR;
-    }
-    // current field is message type and its sub-fields have extra privacy policies
-    uint32_t msgSize = mData.readRawVarint();
-    size_t start = mData.rp()->pos();
-    uint64_t token = mProto.start(encode_field_id(policy));
-    while (mData.rp()->pos() - start != msgSize) {
-        status_t err = stripField(policy, spec, depth + 1);
-        if (err != NO_ERROR) {
-            VLOG("Bad value when stripping id %d, wiretype %d, tag %#x, depth %d, size %d, "
-                "relative pos %zu, ", fieldId, read_wire_type(fieldTag), fieldTag, depth,
-                msgSize, mData.rp()->pos() - start);
-            return err;
-        }
-    }
-    mProto.end(token);
-    return NO_ERROR;
-}
-
-// ================================================================================
-PrivacyBuffer::PrivacyBuffer(const Privacy* policy, EncodedBuffer::iterator data)
-    : mPolicy(policy), mData(data), mProto(), mSize(0) {}
-
-PrivacyBuffer::~PrivacyBuffer() {}
-
-status_t PrivacyBuffer::strip(const PrivacySpec& spec) {
-    VLOG("Strip with spec %d", spec.dest);
-    // optimization when no strip happens
-    if (mPolicy == NULL || mPolicy->children == NULL || spec.RequireAll()) {
-        if (spec.CheckPremission(mPolicy)) mSize = mData.size();
-        return NO_ERROR;
-    }
-    while (mData.hasNext()) {
-        status_t err = stripField(mPolicy, spec, 0);
-        if (err != NO_ERROR) return err; // Error logged in stripField.
-    }
-    if (mData.bytesRead() != mData.size()) {
-        VLOG("Buffer corrupted: expect %zu bytes, read %zu bytes",
-            mData.size(), mData.bytesRead());
-        return BAD_VALUE;
-    }
-    mSize = mProto.size();
-    mData.rp()->rewind();  // rewind the read pointer back to beginning after the strip.
-    return NO_ERROR;
-}
-
-void PrivacyBuffer::clear() {
-    mSize = 0;
-    mProto.clear();
-}
-
-size_t PrivacyBuffer::size() const { return mSize; }
-
-status_t PrivacyBuffer::flush(int fd) {
-    status_t err = NO_ERROR;
-    EncodedBuffer::iterator iter = size() == mData.size() ? mData : mProto.data();
-    while (iter.readBuffer() != NULL) {
-        err = WriteFully(fd, iter.readBuffer(), iter.currentToRead()) ? NO_ERROR : -errno;
-        iter.rp()->move(iter.currentToRead());
-        if (err != NO_ERROR) return err;
-    }
-    return NO_ERROR;
-}
-
-}  // namespace incidentd
-}  // namespace os
-}  // namespace android