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1 // Copyright 2012 The Chromium Authors
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 "net/base/net_errors.h"
6 
7 #include <string>
8 
9 #include "base/check_op.h"
10 #include "base/files/file.h"
11 #include "base/logging.h"
12 #include "base/notreached.h"
13 #include "net/third_party/quiche/src/quiche/quic/core/quic_error_codes.h"
14 
15 namespace net {
16 
17 // Validate all error values in net_error_list.h are negative.
18 #define NET_ERROR(label, value) \
19   static_assert(value < 0, "ERR_" #label " should be negative");
20 #include "net/base/net_error_list.h"
21 #undef NET_ERROR
22 
ErrorToString(int error)23 std::string ErrorToString(int error) {
24   return "net::" + ErrorToShortString(error);
25 }
26 
ExtendedErrorToString(int error,int extended_error_code)27 std::string ExtendedErrorToString(int error, int extended_error_code) {
28   if (error == ERR_QUIC_PROTOCOL_ERROR && extended_error_code != 0) {
29     return std::string("net::ERR_QUIC_PROTOCOL_ERROR.") +
30            QuicErrorCodeToString(
31                static_cast<quic::QuicErrorCode>(extended_error_code));
32   }
33   return ErrorToString(error);
34 }
35 
ErrorToShortString(int error)36 std::string ErrorToShortString(int error) {
37   if (error == OK)
38     return "OK";
39 
40   const char* error_string;
41   switch (error) {
42 #define NET_ERROR(label, value) \
43   case ERR_ ## label: \
44     error_string = # label; \
45     break;
46 #include "net/base/net_error_list.h"
47 #undef NET_ERROR
48   default:
49     NOTREACHED();
50     error_string = "<unknown>";
51   }
52   return std::string("ERR_") + error_string;
53 }
54 
IsCertificateError(int error)55 bool IsCertificateError(int error) {
56   // Certificate errors are negative integers from net::ERR_CERT_BEGIN
57   // (inclusive) to net::ERR_CERT_END (exclusive) in *decreasing* order.
58   // ERR_SSL_PINNED_KEY_NOT_IN_CERT_CHAIN is currently an exception to this
59   // rule.
60   return (error <= ERR_CERT_BEGIN && error > ERR_CERT_END) ||
61          (error == ERR_SSL_PINNED_KEY_NOT_IN_CERT_CHAIN);
62 }
63 
IsClientCertificateError(int error)64 bool IsClientCertificateError(int error) {
65   switch (error) {
66     case ERR_BAD_SSL_CLIENT_AUTH_CERT:
67     case ERR_SSL_CLIENT_AUTH_PRIVATE_KEY_ACCESS_DENIED:
68     case ERR_SSL_CLIENT_AUTH_CERT_NO_PRIVATE_KEY:
69     case ERR_SSL_CLIENT_AUTH_SIGNATURE_FAILED:
70     case ERR_SSL_CLIENT_AUTH_NO_COMMON_ALGORITHMS:
71       return true;
72     default:
73       return false;
74   }
75 }
76 
IsHostnameResolutionError(int error)77 bool IsHostnameResolutionError(int error) {
78   DCHECK_NE(ERR_NAME_RESOLUTION_FAILED, error);
79   return error == ERR_NAME_NOT_RESOLVED;
80 }
81 
IsRequestBlockedError(int error)82 bool IsRequestBlockedError(int error) {
83   switch (error) {
84     case ERR_BLOCKED_BY_CLIENT:
85     case ERR_BLOCKED_BY_ADMINISTRATOR:
86     case ERR_BLOCKED_BY_CSP:
87       return true;
88     default:
89       return false;
90   }
91 }
92 
FileErrorToNetError(base::File::Error file_error)93 Error FileErrorToNetError(base::File::Error file_error) {
94   switch (file_error) {
95     case base::File::FILE_OK:
96       return OK;
97     case base::File::FILE_ERROR_EXISTS:
98       return ERR_FILE_EXISTS;
99     case base::File::FILE_ERROR_NOT_FOUND:
100       return ERR_FILE_NOT_FOUND;
101     case base::File::FILE_ERROR_ACCESS_DENIED:
102       return ERR_ACCESS_DENIED;
103     case base::File::FILE_ERROR_NO_MEMORY:
104       return ERR_OUT_OF_MEMORY;
105     case base::File::FILE_ERROR_NO_SPACE:
106       return ERR_FILE_NO_SPACE;
107     case base::File::FILE_ERROR_INVALID_OPERATION:
108       return ERR_INVALID_ARGUMENT;
109     case base::File::FILE_ERROR_ABORT:
110       return ERR_ABORTED;
111     case base::File::FILE_ERROR_INVALID_URL:
112       return ERR_INVALID_URL;
113     case base::File::FILE_ERROR_TOO_MANY_OPENED:
114       return ERR_INSUFFICIENT_RESOURCES;
115     case base::File::FILE_ERROR_SECURITY:
116       return ERR_ACCESS_DENIED;
117     case base::File::FILE_ERROR_MAX:
118       NOTREACHED();
119       [[fallthrough]];
120     case base::File::FILE_ERROR_NOT_A_DIRECTORY:
121     case base::File::FILE_ERROR_NOT_A_FILE:
122     case base::File::FILE_ERROR_NOT_EMPTY:
123     case base::File::FILE_ERROR_IO:
124     case base::File::FILE_ERROR_IN_USE:
125     // No good mappings for these, so just fallthrough to generic fail.
126     case base::File::FILE_ERROR_FAILED:
127       return ERR_FAILED;
128   }
129   NOTREACHED();
130   return ERR_FAILED;
131 }
132 
133 }  // namespace net
134