1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "components/cast_channel/logger.h"
6
7 #include <stdint.h>
8
9 #include <string>
10 #include <utility>
11
12 #include "base/strings/string_util.h"
13 #include "components/cast_channel/cast_auth_util.h"
14 #include "components/cast_channel/cast_socket.h"
15 #include "net/base/net_errors.h"
16
17 namespace cast_channel {
18
19 using net::IPEndPoint;
20
21 namespace {
22
AuthErrorToChallengeReplyError(AuthResult::ErrorType error_type)23 ChallengeReplyError AuthErrorToChallengeReplyError(
24 AuthResult::ErrorType error_type) {
25 switch (error_type) {
26 case AuthResult::ERROR_NONE:
27 return ChallengeReplyError::NONE;
28 case AuthResult::ERROR_PEER_CERT_EMPTY:
29 return ChallengeReplyError::PEER_CERT_EMPTY;
30 case AuthResult::ERROR_WRONG_PAYLOAD_TYPE:
31 return ChallengeReplyError::WRONG_PAYLOAD_TYPE;
32 case AuthResult::ERROR_NO_PAYLOAD:
33 return ChallengeReplyError::NO_PAYLOAD;
34 case AuthResult::ERROR_PAYLOAD_PARSING_FAILED:
35 return ChallengeReplyError::PAYLOAD_PARSING_FAILED;
36 case AuthResult::ERROR_MESSAGE_ERROR:
37 return ChallengeReplyError::MESSAGE_ERROR;
38 case AuthResult::ERROR_NO_RESPONSE:
39 return ChallengeReplyError::NO_RESPONSE;
40 case AuthResult::ERROR_FINGERPRINT_NOT_FOUND:
41 return ChallengeReplyError::FINGERPRINT_NOT_FOUND;
42 case AuthResult::ERROR_CERT_PARSING_FAILED:
43 return ChallengeReplyError::CERT_PARSING_FAILED;
44 case AuthResult::ERROR_CERT_NOT_SIGNED_BY_TRUSTED_CA:
45 return ChallengeReplyError::CERT_NOT_SIGNED_BY_TRUSTED_CA;
46 case AuthResult::ERROR_CANNOT_EXTRACT_PUBLIC_KEY:
47 return ChallengeReplyError::CANNOT_EXTRACT_PUBLIC_KEY;
48 case AuthResult::ERROR_SIGNED_BLOBS_MISMATCH:
49 return ChallengeReplyError::SIGNED_BLOBS_MISMATCH;
50 case AuthResult::ERROR_TLS_CERT_VALIDITY_PERIOD_TOO_LONG:
51 return ChallengeReplyError::TLS_CERT_VALIDITY_PERIOD_TOO_LONG;
52 case AuthResult::ERROR_TLS_CERT_VALID_START_DATE_IN_FUTURE:
53 return ChallengeReplyError::TLS_CERT_VALID_START_DATE_IN_FUTURE;
54 case AuthResult::ERROR_TLS_CERT_EXPIRED:
55 return ChallengeReplyError::TLS_CERT_EXPIRED;
56 case AuthResult::ERROR_CRL_INVALID:
57 return ChallengeReplyError::CRL_INVALID;
58 case AuthResult::ERROR_CERT_REVOKED:
59 return ChallengeReplyError::CERT_REVOKED;
60 case AuthResult::ERROR_SENDER_NONCE_MISMATCH:
61 return ChallengeReplyError::SENDER_NONCE_MISMATCH;
62 case AuthResult::ERROR_SIGNATURE_EMPTY:
63 return ChallengeReplyError::SIGNATURE_EMPTY;
64 case AuthResult::ERROR_DIGEST_UNSUPPORTED:
65 return ChallengeReplyError::DIGEST_UNSUPPORTED;
66 default:
67 NOTREACHED();
68 return ChallengeReplyError::NONE;
69 }
70 }
71
72 } // namespace
73
LastError()74 LastError::LastError()
75 : channel_event(ChannelEvent::UNKNOWN),
76 challenge_reply_error(ChallengeReplyError::NONE),
77 net_return_value(net::OK) {}
78
~LastError()79 LastError::~LastError() {}
80
Logger()81 Logger::Logger() {
82 // Logger may not be necessarily be created on the IO thread, but logging
83 // happens exclusively there.
84 DETACH_FROM_THREAD(thread_checker_);
85 }
86
~Logger()87 Logger::~Logger() {}
88
LogSocketEventWithRv(int channel_id,ChannelEvent channel_event,int rv)89 void Logger::LogSocketEventWithRv(int channel_id,
90 ChannelEvent channel_event,
91 int rv) {
92 DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
93 MaybeSetLastError(channel_id, channel_event, rv, ChallengeReplyError::NONE);
94 }
95
LogSocketChallengeReplyEvent(int channel_id,const AuthResult & auth_result)96 void Logger::LogSocketChallengeReplyEvent(int channel_id,
97 const AuthResult& auth_result) {
98 DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
99 MaybeSetLastError(channel_id, ChannelEvent::AUTH_CHALLENGE_REPLY, net::OK,
100 AuthErrorToChallengeReplyError(auth_result.error_type));
101 }
102
GetLastError(int channel_id) const103 LastError Logger::GetLastError(int channel_id) const {
104 const auto it = last_errors_.find(channel_id);
105 return it != last_errors_.end() ? it->second : LastError();
106 }
107
ClearLastError(int channel_id)108 void Logger::ClearLastError(int channel_id) {
109 last_errors_.erase(channel_id);
110 }
111
MaybeSetLastError(int channel_id,ChannelEvent channel_event,int rv,ChallengeReplyError challenge_reply_error)112 void Logger::MaybeSetLastError(int channel_id,
113 ChannelEvent channel_event,
114 int rv,
115 ChallengeReplyError challenge_reply_error) {
116 auto it = last_errors_.find(channel_id);
117 if (it == last_errors_.end())
118 last_errors_[channel_id] = LastError();
119
120 LastError* last_error = &last_errors_[channel_id];
121 if (rv < net::ERR_IO_PENDING) {
122 last_error->net_return_value = rv;
123 last_error->channel_event = channel_event;
124 }
125
126 if (challenge_reply_error != ChallengeReplyError::NONE) {
127 last_error->challenge_reply_error = challenge_reply_error;
128 last_error->channel_event = channel_event;
129 }
130 }
131
132 } // namespace cast_channel
133