56a037cc0a
When the host name in a URL is given as an IPv4 numerical address, the address can be specified with dotted numericals in four different ways: a32, a.b24, a.b.c16 or a.b.c.d and each part can be specified in decimal, octal (0-prefixed) or hexadecimal (0x-prefixed). Instead of passing on the name as-is and leaving the handling to the underlying name functions, which made them not work with c-ares but work with getaddrinfo, this change now makes the curl URL API itself detect and "normalize" host names specified as IPv4 numericals. The WHATWG URL Spec says this is an okay way to specify a host name in a URL. RFC 3896 does not allow them, but curl didn't prevent them before and it seems other RFC 3896-using tools have not either. Host names used like this are widely supported by other tools as well due to the handling being done by getaddrinfo and friends. I decided to add the functionality into the URL API itself so that all users of these functions get the benefits, when for example wanting to compare two URLs. Also, it makes curl built to use c-ares now support them as well and make curl builds more consistent. The normalization makes HTTPS and virtual hosted HTTP work fine even when curl gets the address specified using one of the "obscure" formats. Test 1560 is extended to verify. Fixes #6863 Closes #6871 |
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| COPYING | ||
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| README | ||
| README.md | ||
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| SECURITY.md | ||
Curl is a command-line tool for transferring data specified with URL syntax. Find out how to use curl by reading the curl.1 man page or the MANUAL document. Find out how to install Curl by reading the INSTALL document.
libcurl is the library curl is using to do its job. It is readily available to be used by your software. Read the libcurl.3 man page to learn how!
You can find answers to the most frequent questions we get in the FAQ document.
Study the COPYING file for distribution terms.
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Curl contains pieces of source code that is Copyright (c) 1998, 1999 Kungliga Tekniska Högskolan. This notice is included here to comply with the distribution terms.
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