1 //
2 // Copyright (C) 2015 Google, Inc.
3 //
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at:
7 //
8 // http://www.apache.org/licenses/LICENSE-2.0
9 //
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
15 //
16
17 #include "service/common/bluetooth/util/address_helper.h"
18
19 #include <cstdlib>
20
21 #include <base/logging.h>
22 #include <base/strings/string_split.h>
23
24 namespace util {
25
IsAddressValid(const std::string & address)26 bool IsAddressValid(const std::string& address) {
27 bt_bdaddr_t addr;
28 return BdAddrFromString(address, &addr);
29 }
30
BdAddrFromString(const std::string & address,bt_bdaddr_t * out_addr)31 bool BdAddrFromString(const std::string& address, bt_bdaddr_t* out_addr) {
32 CHECK(out_addr);
33
34 if (address.length() != 17)
35 return false;
36
37 std::vector<std::string> byte_tokens = base::SplitString(
38 address, ":", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
39
40 if (byte_tokens.size() != 6)
41 return false;
42
43 for (int i = 0; i < 6; i++) {
44 const auto& token = byte_tokens[i];
45
46 if (token.length() != 2)
47 return false;
48
49 char* temp = nullptr;
50 out_addr->address[i] = strtol(token.c_str(), &temp, 16);
51 if (*temp != '\0')
52 return false;
53 }
54
55 return true;
56 }
57
58 } // namespace util
59