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diff --git a/contrib/bind9/lib/lwres/man/lwres_resutil.html b/contrib/bind9/lib/lwres/man/lwres_resutil.html deleted file mode 100644 index dfa2e1c..0000000 --- a/contrib/bind9/lib/lwres/man/lwres_resutil.html +++ /dev/null @@ -1,258 +0,0 @@ -<!-- - - Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") - - Copyright (C) 2000, 2001 Internet Software Consortium. - - - - Permission to use, copy, modify, and distribute this software for any - - purpose with or without fee is hereby granted, provided that the above - - copyright notice and this permission notice appear in all copies. - - - - THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH - - REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - - AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, - - INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM - - LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE - - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - - PERFORMANCE OF THIS SOFTWARE. ---> -<!-- $Id: lwres_resutil.html,v 1.9.18.16 2007/01/30 00:23:45 marka Exp $ --> -<html> -<head> -<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> -<title>lwres_resutil</title> -<meta name="generator" content="DocBook XSL Stylesheets V1.71.1"> -</head> -<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" lang="en"> -<a name="id2476275"></a><div class="titlepage"></div> -<div class="refnamediv"> -<h2>Name</h2> -<p>lwres_string_parse, lwres_addr_parse, lwres_getaddrsbyname, lwres_getnamebyaddr — lightweight resolver utility functions</p> -</div> -<div class="refsynopsisdiv"> -<h2>Synopsis</h2> -<div class="funcsynopsis"> -<pre class="funcsynopsisinfo">#include <lwres/lwres.h></pre> -<table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"> -<tr> -<td><code class="funcdef"> -lwres_result_t -<b class="fsfunc">lwres_string_parse</b>(</code></td> -<td>lwres_buffer_t * </td> -<td> -<var class="pdparam">b</var>, </td> -</tr> -<tr> -<td> </td> -<td>char ** </td> -<td> -<var class="pdparam">c</var>, </td> -</tr> -<tr> -<td> </td> -<td>lwres_uint16_t * </td> -<td> -<var class="pdparam">len</var><code>)</code>;</td> -</tr> -</table> -<table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"> -<tr> -<td><code class="funcdef"> -lwres_result_t -<b class="fsfunc">lwres_addr_parse</b>(</code></td> -<td>lwres_buffer_t * </td> -<td> -<var class="pdparam">b</var>, </td> -</tr> -<tr> -<td> </td> -<td>lwres_addr_t * </td> -<td> -<var class="pdparam">addr</var><code>)</code>;</td> -</tr> -</table> -<table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"> -<tr> -<td><code class="funcdef"> -lwres_result_t -<b class="fsfunc">lwres_getaddrsbyname</b>(</code></td> -<td>lwres_context_t * </td> -<td> -<var class="pdparam">ctx</var>, </td> -</tr> -<tr> -<td> </td> -<td>const char * </td> -<td> -<var class="pdparam">name</var>, </td> -</tr> -<tr> -<td> </td> -<td>lwres_uint32_t </td> -<td> -<var class="pdparam">addrtypes</var>, </td> -</tr> -<tr> -<td> </td> -<td>lwres_gabnresponse_t ** </td> -<td> -<var class="pdparam">structp</var><code>)</code>;</td> -</tr> -</table> -<table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"> -<tr> -<td><code class="funcdef"> -lwres_result_t -<b class="fsfunc">lwres_getnamebyaddr</b>(</code></td> -<td>lwres_context_t * </td> -<td> -<var class="pdparam">ctx</var>, </td> -</tr> -<tr> -<td> </td> -<td>lwres_uint32_t </td> -<td> -<var class="pdparam">addrtype</var>, </td> -</tr> -<tr> -<td> </td> -<td>lwres_uint16_t </td> -<td> -<var class="pdparam">addrlen</var>, </td> -</tr> -<tr> -<td> </td> -<td>const unsigned char * </td> -<td> -<var class="pdparam">addr</var>, </td> -</tr> -<tr> -<td> </td> -<td>lwres_gnbaresponse_t ** </td> -<td> -<var class="pdparam">structp</var><code>)</code>;</td> -</tr> -</table> -</div> -</div> -<div class="refsect1" lang="en"> -<a name="id2543466"></a><h2>DESCRIPTION</h2> -<p><code class="function">lwres_string_parse()</code> - retrieves a DNS-encoded string starting the current pointer of - lightweight resolver buffer <em class="parameter"><code>b</code></em>: i.e. - <code class="constant">b->current</code>. When the function returns, - the address of the first byte of the encoded string is returned - via <em class="parameter"><code>*c</code></em> and the length of that string is - given by <em class="parameter"><code>*len</code></em>. The buffer's current - pointer is advanced to point at the character following the - string length, the encoded string, and the trailing - <span class="type">NULL</span> character. - </p> -<p><code class="function">lwres_addr_parse()</code> - extracts an address from the buffer <em class="parameter"><code>b</code></em>. - The buffer's current pointer <code class="constant">b->current</code> - is presumed to point at an encoded address: the address preceded - by a 32-bit protocol family identifier and a 16-bit length - field. The encoded address is copied to - <code class="constant">addr->address</code> and - <code class="constant">addr->length</code> indicates the size in bytes - of the address that was copied. - <code class="constant">b->current</code> is advanced to point at the - next byte of available data in the buffer following the encoded - address. - </p> -<p><code class="function">lwres_getaddrsbyname()</code> - and <code class="function">lwres_getnamebyaddr()</code> use the - <span class="type">lwres_gnbaresponse_t</span> structure defined below: - </p> -<pre class="programlisting"> -typedef struct { - lwres_uint32_t flags; - lwres_uint16_t naliases; - lwres_uint16_t naddrs; - char *realname; - char **aliases; - lwres_uint16_t realnamelen; - lwres_uint16_t *aliaslen; - lwres_addrlist_t addrs; - void *base; - size_t baselen; -} lwres_gabnresponse_t; -</pre> -<p> - The contents of this structure are not manipulated directly but - they are controlled through the - <span class="citerefentry"><span class="refentrytitle">lwres_gabn</span>(3)</span> - functions. - </p> -<p> - The lightweight resolver uses - <code class="function">lwres_getaddrsbyname()</code> to perform - foward lookups. - Hostname <em class="parameter"><code>name</code></em> is looked up using the - resolver - context <em class="parameter"><code>ctx</code></em> for memory allocation. - <em class="parameter"><code>addrtypes</code></em> is a bitmask indicating - which type of - addresses are to be looked up. Current values for this bitmask are - <span class="type">LWRES_ADDRTYPE_V4</span> for IPv4 addresses and - <span class="type">LWRES_ADDRTYPE_V6</span> for IPv6 addresses. Results of the - lookup are returned in <em class="parameter"><code>*structp</code></em>. - </p> -<p><code class="function">lwres_getnamebyaddr()</code> - performs reverse lookups. Resolver context - <em class="parameter"><code>ctx</code></em> is used for memory allocation. The - address type is indicated by <em class="parameter"><code>addrtype</code></em>: - <span class="type">LWRES_ADDRTYPE_V4</span> or - <span class="type">LWRES_ADDRTYPE_V6</span>. The address to be looked up is - given by <em class="parameter"><code>addr</code></em> and its length is - <em class="parameter"><code>addrlen</code></em> bytes. The result of the - function call is made available through - <em class="parameter"><code>*structp</code></em>. - </p> -</div> -<div class="refsect1" lang="en"> -<a name="id2543605"></a><h2>RETURN VALUES</h2> -<p> - Successful calls to - <code class="function">lwres_string_parse()</code> - and - <code class="function">lwres_addr_parse()</code> - return - <span class="errorcode">LWRES_R_SUCCESS.</span> - Both functions return - <span class="errorcode">LWRES_R_FAILURE</span> - if the buffer is corrupt or - <span class="errorcode">LWRES_R_UNEXPECTEDEND</span> - if the buffer has less space than expected for the components of the - encoded string or address. - </p> -<p><code class="function">lwres_getaddrsbyname()</code> - returns <span class="errorcode">LWRES_R_SUCCESS</span> on success and it - returns <span class="errorcode">LWRES_R_NOTFOUND</span> if the hostname - <em class="parameter"><code>name</code></em> could not be found. - </p> -<p><span class="errorcode">LWRES_R_SUCCESS</span> - is returned by a successful call to - <code class="function">lwres_getnamebyaddr()</code>. - </p> -<p> - Both - <code class="function">lwres_getaddrsbyname()</code> - and - <code class="function">lwres_getnamebyaddr()</code> - return - <span class="errorcode">LWRES_R_NOMEMORY</span> - when memory allocation requests fail and - <span class="errorcode">LWRES_R_UNEXPECTEDEND</span> - if the buffers used for sending queries and receiving replies are too - small. - </p> -</div> -<div class="refsect1" lang="en"> -<a name="id2543676"></a><h2>SEE ALSO</h2> -<p><span class="citerefentry"><span class="refentrytitle">lwres_buffer</span>(3)</span>, - - <span class="citerefentry"><span class="refentrytitle">lwres_gabn</span>(3)</span>. - </p> -</div> -</div></body> -</html> |
