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| 1 // Copyright 2008, Google Inc. | 1 // Copyright 2008, Google Inc. |
| 2 // All rights reserved. | 2 // All rights reserved. |
| 3 // | 3 // |
| 4 // Redistribution and use in source and binary forms, with or without | 4 // Redistribution and use in source and binary forms, with or without |
| 5 // modification, are permitted provided that the following conditions are | 5 // modification, are permitted provided that the following conditions are |
| 6 // met: | 6 // met: |
| 7 // | 7 // |
| 8 // * Redistributions of source code must retain the above copyright | 8 // * Redistributions of source code must retain the above copyright |
| 9 // notice, this list of conditions and the following disclaimer. | 9 // notice, this list of conditions and the following disclaimer. |
| 10 // * Redistributions in binary form must reproduce the above | 10 // * Redistributions in binary form must reproduce the above |
| (...skipping 12 matching lines...) Expand all Loading... |
| 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 | 29 |
| 30 #ifndef GOOGLEURL_SRC_URL_CANON_IP_H__ | 30 #ifndef GOOGLEURL_SRC_URL_CANON_IP_H__ |
| 31 #define GOOGLEURL_SRC_URL_CANON_IP_H__ | 31 #define GOOGLEURL_SRC_URL_CANON_IP_H__ |
| 32 | 32 |
| 33 #include "base/string16.h" | 33 #include "url/url_canon_ip.h" |
| 34 #include "googleurl/src/url_canon.h" | |
| 35 #include "googleurl/src/url_common.h" | |
| 36 #include "googleurl/src/url_parse.h" | |
| 37 | |
| 38 namespace url_canon { | |
| 39 | |
| 40 // Writes the given IPv4 address to |output|. | |
| 41 GURL_API void AppendIPv4Address(const unsigned char address[4], | |
| 42 CanonOutput* output); | |
| 43 | |
| 44 // Writes the given IPv6 address to |output|. | |
| 45 GURL_API void AppendIPv6Address(const unsigned char address[16], | |
| 46 CanonOutput* output); | |
| 47 | |
| 48 // Searches the host name for the portions of the IPv4 address. On success, | |
| 49 // each component will be placed into |components| and it will return true. | |
| 50 // It will return false if the host can not be separated as an IPv4 address | |
| 51 // or if there are any non-7-bit characters or other characters that can not | |
| 52 // be in an IP address. (This is important so we fail as early as possible for | |
| 53 // common non-IP hostnames.) | |
| 54 // | |
| 55 // Not all components may exist. If there are only 3 components, for example, | |
| 56 // the last one will have a length of -1 or 0 to indicate it does not exist. | |
| 57 // | |
| 58 // Note that many platform's inet_addr will ignore everything after a space | |
| 59 // in certain curcumstances if the stuff before the space looks like an IP | |
| 60 // address. IE6 is included in this. We do NOT handle this case. In many cases, | |
| 61 // the browser's canonicalization will get run before this which converts | |
| 62 // spaces to %20 (in the case of IE7) or rejects them (in the case of | |
| 63 // Mozilla), so this code path never gets hit. Our host canonicalization will | |
| 64 // notice these spaces and escape them, which will make IP address finding | |
| 65 // fail. This seems like better behavior than stripping after a space. | |
| 66 GURL_API bool FindIPv4Components(const char* spec, | |
| 67 const url_parse::Component& host, | |
| 68 url_parse::Component components[4]); | |
| 69 GURL_API bool FindIPv4Components(const char16* spec, | |
| 70 const url_parse::Component& host, | |
| 71 url_parse::Component components[4]); | |
| 72 | |
| 73 // Converts an IPv4 address to a 32-bit number (network byte order). | |
| 74 // | |
| 75 // Possible return values: | |
| 76 // IPV4 - IPv4 address was successfully parsed. | |
| 77 // BROKEN - Input was formatted like an IPv4 address, but overflow occurred | |
| 78 // during parsing. | |
| 79 // NEUTRAL - Input couldn't possibly be interpreted as an IPv4 address. | |
| 80 // It might be an IPv6 address, or a hostname. | |
| 81 // | |
| 82 // On success, |num_ipv4_components| will be populated with the number of | |
| 83 // components in the IPv4 address. | |
| 84 GURL_API CanonHostInfo::Family IPv4AddressToNumber( | |
| 85 const char* spec, | |
| 86 const url_parse::Component& host, | |
| 87 unsigned char address[4], | |
| 88 int* num_ipv4_components); | |
| 89 GURL_API CanonHostInfo::Family IPv4AddressToNumber( | |
| 90 const char16* spec, | |
| 91 const url_parse::Component& host, | |
| 92 unsigned char address[4], | |
| 93 int* num_ipv4_components); | |
| 94 | |
| 95 // Converts an IPv6 address to a 128-bit number (network byte order), returning | |
| 96 // true on success. False means that the input was not a valid IPv6 address. | |
| 97 // | |
| 98 // NOTE that |host| is expected to be surrounded by square brackets. | |
| 99 // i.e. "[::1]" rather than "::1". | |
| 100 GURL_API bool IPv6AddressToNumber(const char* spec, | |
| 101 const url_parse::Component& host, | |
| 102 unsigned char address[16]); | |
| 103 GURL_API bool IPv6AddressToNumber(const char16* spec, | |
| 104 const url_parse::Component& host, | |
| 105 unsigned char address[16]); | |
| 106 | |
| 107 } // namespace url_canon | |
| 108 | 34 |
| 109 #endif // GOOGLEURL_SRC_URL_CANON_IP_H__ | 35 #endif // GOOGLEURL_SRC_URL_CANON_IP_H__ |
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