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1 /* | |
2 * Copyright (C) 2004, 2007, 2008, 2011, 2012 Apple Inc. All rights reserved. | |
3 * Copyright (C) 2012 Research In Motion Limited. All rights reserved. | |
4 * | |
5 * Redistribution and use in source and binary forms, with or without | |
6 * modification, are permitted provided that the following conditions | |
7 * are met: | |
8 * 1. Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright | |
11 * notice, this list of conditions and the following disclaimer in the | |
12 * documentation and/or other materials provided with the distribution. | |
13 * | |
14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | |
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
25 */ | |
26 | |
27 #include "config.h" | |
28 #include "weborigin/KnownPorts.h" | |
29 | |
30 #include "weborigin/KURL.h" | |
31 #include "wtf/HashMap.h" | |
32 #include "wtf/StdLibExtras.h" | |
33 #include "wtf/text/StringHash.h" | |
34 | |
35 namespace WebCore { | |
36 | |
37 bool isDefaultPortForProtocol(unsigned short port, const String& protocol) | |
38 { | |
39 if (protocol.isEmpty()) | |
40 return false; | |
41 | |
42 typedef HashMap<String, unsigned, CaseFoldingHash> DefaultPortsMap; | |
43 DEFINE_STATIC_LOCAL(DefaultPortsMap, defaultPorts, ()); | |
44 if (defaultPorts.isEmpty()) { | |
45 defaultPorts.set("http", 80); | |
46 defaultPorts.set("https", 443); | |
47 defaultPorts.set("ftp", 21); | |
48 defaultPorts.set("ftps", 990); | |
49 } | |
50 return defaultPorts.get(protocol) == port; | |
51 } | |
52 | |
53 bool portAllowed(const KURL& url) | |
54 { | |
55 unsigned short port = url.port(); | |
56 | |
57 // Since most URLs don't have a port, return early for the "no port" case. | |
58 if (!port) | |
59 return true; | |
60 | |
61 // This blocked port list matches the port blocking that Mozilla implements. | |
62 // See http://www.mozilla.org/projects/netlib/PortBanning.html for more info
rmation. | |
63 static const unsigned short blockedPortList[] = { | |
64 1, // tcpmux | |
65 7, // echo | |
66 9, // discard | |
67 11, // systat | |
68 13, // daytime | |
69 15, // netstat | |
70 17, // qotd | |
71 19, // chargen | |
72 20, // FTP-data | |
73 21, // FTP-control | |
74 22, // SSH | |
75 23, // telnet | |
76 25, // SMTP | |
77 37, // time | |
78 42, // name | |
79 43, // nicname | |
80 53, // domain | |
81 77, // priv-rjs | |
82 79, // finger | |
83 87, // ttylink | |
84 95, // supdup | |
85 101, // hostriame | |
86 102, // iso-tsap | |
87 103, // gppitnp | |
88 104, // acr-nema | |
89 109, // POP2 | |
90 110, // POP3 | |
91 111, // sunrpc | |
92 113, // auth | |
93 115, // SFTP | |
94 117, // uucp-path | |
95 119, // nntp | |
96 123, // NTP | |
97 135, // loc-srv / epmap | |
98 139, // netbios | |
99 143, // IMAP2 | |
100 179, // BGP | |
101 389, // LDAP | |
102 465, // SMTP+SSL | |
103 512, // print / exec | |
104 513, // login | |
105 514, // shell | |
106 515, // printer | |
107 526, // tempo | |
108 530, // courier | |
109 531, // Chat | |
110 532, // netnews | |
111 540, // UUCP | |
112 556, // remotefs | |
113 563, // NNTP+SSL | |
114 587, // ESMTP | |
115 601, // syslog-conn | |
116 636, // LDAP+SSL | |
117 993, // IMAP+SSL | |
118 995, // POP3+SSL | |
119 2049, // NFS | |
120 3659, // apple-sasl / PasswordServer [Apple addition] | |
121 4045, // lockd | |
122 6000, // X11 | |
123 6665, // Alternate IRC [Apple addition] | |
124 6666, // Alternate IRC [Apple addition] | |
125 6667, // Standard IRC [Apple addition] | |
126 6668, // Alternate IRC [Apple addition] | |
127 6669, // Alternate IRC [Apple addition] | |
128 0xFFFF, // Used to block all invalid port numbers | |
129 }; | |
130 const unsigned short* const blockedPortListEnd = blockedPortList + WTF_ARRAY
_LENGTH(blockedPortList); | |
131 | |
132 #ifndef NDEBUG | |
133 // The port list must be sorted for binary_search to work. | |
134 static bool checkedPortList = false; | |
135 if (!checkedPortList) { | |
136 for (const unsigned short* p = blockedPortList; p != blockedPortListEnd
- 1; ++p) | |
137 ASSERT(*p < *(p + 1)); | |
138 checkedPortList = true; | |
139 } | |
140 #endif | |
141 | |
142 // If the port is not in the blocked port list, allow it. | |
143 if (!std::binary_search(blockedPortList, blockedPortListEnd, port)) | |
144 return true; | |
145 | |
146 // Allow ports 21 and 22 for FTP URLs, as Mozilla does. | |
147 if ((port == 21 || port == 22) && url.protocolIs("ftp")) | |
148 return true; | |
149 | |
150 // Allow any port number in a file URL, since the port number is ignored. | |
151 if (url.protocolIs("file")) | |
152 return true; | |
153 | |
154 return false; | |
155 } | |
156 | |
157 } | |
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