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/*
* 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>
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 new_spec_from_args(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();
}
}
PrivacySpec get_default_dropbox_spec() { return PrivacySpec(android::os::DEST_AUTOMATIC); }
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