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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 // | 4 // |
5 // Utilities for the SafeBrowsing code. | 5 // Utilities for the SafeBrowsing code. |
6 | 6 |
7 #ifndef CHROME_BROWSER_SAFE_BROWSING_SAFE_BROWSING_UTIL_H_ | 7 #ifndef CHROME_BROWSER_SAFE_BROWSING_SAFE_BROWSING_UTIL_H_ |
8 #define CHROME_BROWSER_SAFE_BROWSING_SAFE_BROWSING_UTIL_H_ | 8 #define CHROME_BROWSER_SAFE_BROWSING_SAFE_BROWSING_UTIL_H_ |
9 | 9 |
10 #include <cstring> | 10 #include <cstring> |
11 #include <set> | |
12 #include <string> | 11 #include <string> |
13 #include <vector> | 12 #include <vector> |
14 | 13 |
15 #include "base/basictypes.h" | 14 #include "base/basictypes.h" |
16 #include "base/memory/scoped_ptr.h" | 15 #include "base/memory/scoped_ptr.h" |
17 #include "base/strings/string_piece.h" | 16 #include "base/strings/string_piece.h" |
18 #include "base/time/time.h" | 17 #include "base/time/time.h" |
19 #include "chrome/browser/safe_browsing/chunk_range.h" | 18 #include "chrome/browser/safe_browsing/chunk_range.h" |
| 19 #include "components/safe_browsing_db/safe_browsing_db_util.h" |
20 | 20 |
21 namespace safe_browsing { | 21 namespace safe_browsing { |
22 class ChunkData; | 22 class ChunkData; |
23 }; | 23 }; |
24 | 24 |
25 class GURL; | 25 class GURL; |
26 | 26 |
27 // A truncated hash's type. | |
28 typedef uint32 SBPrefix; | |
29 | |
30 // Container for holding a chunk URL and the list it belongs to. | 27 // Container for holding a chunk URL and the list it belongs to. |
31 struct ChunkUrl { | 28 struct ChunkUrl { |
32 std::string url; | 29 std::string url; |
33 std::string list_name; | 30 std::string list_name; |
34 }; | 31 }; |
35 | 32 |
36 // A full hash. | |
37 union SBFullHash { | |
38 char full_hash[32]; | |
39 SBPrefix prefix; | |
40 }; | |
41 | |
42 inline bool SBFullHashEqual(const SBFullHash& a, const SBFullHash& b) { | |
43 return !memcmp(a.full_hash, b.full_hash, sizeof(a.full_hash)); | |
44 } | |
45 | |
46 inline bool SBFullHashLess(const SBFullHash& a, const SBFullHash& b) { | |
47 return memcmp(a.full_hash, b.full_hash, sizeof(a.full_hash)) < 0; | |
48 } | |
49 | |
50 // Generate full hash for the given string. | |
51 SBFullHash SBFullHashForString(const base::StringPiece& str); | |
52 | |
53 // Data for an individual chunk sent from the server. | 33 // Data for an individual chunk sent from the server. |
54 class SBChunkData { | 34 class SBChunkData { |
55 public: | 35 public: |
56 SBChunkData(); | 36 SBChunkData(); |
57 ~SBChunkData(); | 37 ~SBChunkData(); |
58 | 38 |
59 // Create with manufactured data, for testing only. | 39 // Create with manufactured data, for testing only. |
60 // TODO(shess): Right now the test code calling this is in an anonymous | 40 // TODO(shess): Right now the test code calling this is in an anonymous |
61 // namespace. Figure out how to shift this into private:. | 41 // namespace. Figure out how to shift this into private:. |
62 explicit SBChunkData(safe_browsing::ChunkData* chunk_data); | 42 explicit SBChunkData(safe_browsing::ChunkData* chunk_data); |
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115 // Container for deleting chunks from the database. | 95 // Container for deleting chunks from the database. |
116 struct SBChunkDelete { | 96 struct SBChunkDelete { |
117 SBChunkDelete(); | 97 SBChunkDelete(); |
118 ~SBChunkDelete(); | 98 ~SBChunkDelete(); |
119 | 99 |
120 std::string list_name; | 100 std::string list_name; |
121 bool is_sub_del; | 101 bool is_sub_del; |
122 std::vector<ChunkRange> chunk_del; | 102 std::vector<ChunkRange> chunk_del; |
123 }; | 103 }; |
124 | 104 |
125 // Different types of threats that SafeBrowsing protects against. | |
126 enum SBThreatType { | |
127 // No threat at all. | |
128 SB_THREAT_TYPE_SAFE, | |
129 | |
130 // The URL is being used for phishing. | |
131 SB_THREAT_TYPE_URL_PHISHING, | |
132 | |
133 // The URL hosts malware. | |
134 SB_THREAT_TYPE_URL_MALWARE, | |
135 | |
136 // The URL hosts unwanted programs. | |
137 SB_THREAT_TYPE_URL_UNWANTED, | |
138 | |
139 // The download URL is malware. | |
140 SB_THREAT_TYPE_BINARY_MALWARE_URL, | |
141 | |
142 // Url detected by the client-side phishing model. Note that unlike the | |
143 // above values, this does not correspond to a downloaded list. | |
144 SB_THREAT_TYPE_CLIENT_SIDE_PHISHING_URL, | |
145 | |
146 // The Chrome extension or app (given by its ID) is malware. | |
147 SB_THREAT_TYPE_EXTENSION, | |
148 | |
149 // Url detected by the client-side malware IP list. This IP list is part | |
150 // of the client side detection model. | |
151 SB_THREAT_TYPE_CLIENT_SIDE_MALWARE_URL, | |
152 }; | |
153 | |
154 // Utility functions ----------------------------------------------------------- | 105 // Utility functions ----------------------------------------------------------- |
155 | 106 |
156 namespace safe_browsing_util { | 107 namespace safe_browsing_util { |
157 | 108 |
158 // SafeBrowsing list names. | 109 // SafeBrowsing list names. |
159 extern const char kMalwareList[]; | 110 extern const char kMalwareList[]; |
160 extern const char kPhishingList[]; | 111 extern const char kPhishingList[]; |
161 // Binary Download list name. | 112 // Binary Download list name. |
162 extern const char kBinUrlList[]; | 113 extern const char kBinUrlList[]; |
163 // SafeBrowsing client-side detection whitelist list name. | 114 // SafeBrowsing client-side detection whitelist list name. |
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216 // Given a URL, returns all the hosts we need to check. They are returned | 167 // Given a URL, returns all the hosts we need to check. They are returned |
217 // in order of size (i.e. b.c is first, then a.b.c). | 168 // in order of size (i.e. b.c is first, then a.b.c). |
218 void GenerateHostsToCheck(const GURL& url, std::vector<std::string>* hosts); | 169 void GenerateHostsToCheck(const GURL& url, std::vector<std::string>* hosts); |
219 | 170 |
220 // Given a URL, returns all the paths we need to check. | 171 // Given a URL, returns all the paths we need to check. |
221 void GeneratePathsToCheck(const GURL& url, std::vector<std::string>* paths); | 172 void GeneratePathsToCheck(const GURL& url, std::vector<std::string>* paths); |
222 | 173 |
223 // Given a URL, returns all the patterns we need to check. | 174 // Given a URL, returns all the patterns we need to check. |
224 void GeneratePatternsToCheck(const GURL& url, std::vector<std::string>* urls); | 175 void GeneratePatternsToCheck(const GURL& url, std::vector<std::string>* urls); |
225 | 176 |
226 GURL GeneratePhishingReportUrl(const std::string& report_page, | |
227 const std::string& url_to_report, | |
228 bool is_client_side_detection); | |
229 | |
230 SBFullHash StringToSBFullHash(const std::string& hash_in); | 177 SBFullHash StringToSBFullHash(const std::string& hash_in); |
231 std::string SBFullHashToString(const SBFullHash& hash_out); | 178 std::string SBFullHashToString(const SBFullHash& hash_out); |
232 | 179 |
233 } // namespace safe_browsing_util | 180 } // namespace safe_browsing_util |
234 | 181 |
235 #endif // CHROME_BROWSER_SAFE_BROWSING_SAFE_BROWSING_UTIL_H_ | 182 #endif // CHROME_BROWSER_SAFE_BROWSING_SAFE_BROWSING_UTIL_H_ |
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