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<title>libnm-util Reference Manual: nm-utils</title>
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<h2><span class="refentrytitle"><a name="libnm-util-nm-utils.top_of_page"></a>nm-utils</span></h2>
<p>nm-utils — Utility functions</p>
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<div class="refsect1">
<a name="libnm-util-nm-utils.functions"></a><h2>Functions</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-init" title="nm_utils_init ()">nm_utils_init</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-deinit" title="nm_utils_deinit ()">nm_utils_deinit</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-is-empty-ssid" title="nm_utils_is_empty_ssid ()">nm_utils_is_empty_ssid</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-escape-ssid" title="nm_utils_escape_ssid ()">nm_utils_escape_ssid</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-same-ssid" title="nm_utils_same_ssid ()">nm_utils_same_ssid</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-ssid-to-utf8" title="nm_utils_ssid_to_utf8 ()">nm_utils_ssid_to_utf8</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">GHashTable</span> *
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-gvalue-hash-dup" title="nm_utils_gvalue_hash_dup ()">nm_utils_gvalue_hash_dup</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-slist-free" title="nm_utils_slist_free ()">nm_utils_slist_free</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-security-valid" title="nm_utils_security_valid ()">nm_utils_security_valid</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-ap-mode-security-valid" title="nm_utils_ap_mode_security_valid ()">nm_utils_ap_mode_security_valid</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-wep-key-valid" title="nm_utils_wep_key_valid ()">nm_utils_wep_key_valid</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-wpa-psk-valid" title="nm_utils_wpa_psk_valid ()">nm_utils_wpa_psk_valid</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">GSList</span> *
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-ip4-addresses-from-gvalue" title="nm_utils_ip4_addresses_from_gvalue ()">nm_utils_ip4_addresses_from_gvalue</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-ip4-addresses-to-gvalue" title="nm_utils_ip4_addresses_to_gvalue ()">nm_utils_ip4_addresses_to_gvalue</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">GSList</span> *
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-ip4-routes-from-gvalue" title="nm_utils_ip4_routes_from_gvalue ()">nm_utils_ip4_routes_from_gvalue</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-ip4-routes-to-gvalue" title="nm_utils_ip4_routes_to_gvalue ()">nm_utils_ip4_routes_to_gvalue</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">guint32</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-ip4-netmask-to-prefix" title="nm_utils_ip4_netmask_to_prefix ()">nm_utils_ip4_netmask_to_prefix</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">guint32</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-ip4-prefix-to-netmask" title="nm_utils_ip4_prefix_to_netmask ()">nm_utils_ip4_prefix_to_netmask</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">guint32</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-ip4-get-default-prefix" title="nm_utils_ip4_get_default_prefix ()">nm_utils_ip4_get_default_prefix</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">GSList</span> *
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-ip6-addresses-from-gvalue" title="nm_utils_ip6_addresses_from_gvalue ()">nm_utils_ip6_addresses_from_gvalue</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-ip6-addresses-to-gvalue" title="nm_utils_ip6_addresses_to_gvalue ()">nm_utils_ip6_addresses_to_gvalue</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">GSList</span> *
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-ip6-routes-from-gvalue" title="nm_utils_ip6_routes_from_gvalue ()">nm_utils_ip6_routes_from_gvalue</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-ip6-routes-to-gvalue" title="nm_utils_ip6_routes_to_gvalue ()">nm_utils_ip6_routes_to_gvalue</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">GSList</span> *
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-ip6-dns-from-gvalue" title="nm_utils_ip6_dns_from_gvalue ()">nm_utils_ip6_dns_from_gvalue</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-ip6-dns-to-gvalue" title="nm_utils_ip6_dns_to_gvalue ()">nm_utils_ip6_dns_to_gvalue</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-uuid-generate" title="nm_utils_uuid_generate ()">nm_utils_uuid_generate</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-uuid-generate-from-string" title="nm_utils_uuid_generate_from_string ()">nm_utils_uuid_generate_from_string</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">GByteArray</span> *
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-rsa-key-encrypt" title="nm_utils_rsa_key_encrypt ()">nm_utils_rsa_key_encrypt</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-file-is-pkcs12" title="nm_utils_file_is_pkcs12 ()">nm_utils_file_is_pkcs12</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">guint32</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-wifi-freq-to-channel" title="nm_utils_wifi_freq_to_channel ()">nm_utils_wifi_freq_to_channel</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">guint32</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-wifi-channel-to-freq" title="nm_utils_wifi_channel_to_freq ()">nm_utils_wifi_channel_to_freq</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">guint32</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-wifi-find-next-channel" title="nm_utils_wifi_find_next_channel ()">nm_utils_wifi_find_next_channel</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-wifi-is-channel-valid" title="nm_utils_wifi_is_channel_valid ()">nm_utils_wifi_is_channel_valid</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-hwaddr-len" title="nm_utils_hwaddr_len ()">nm_utils_hwaddr_len</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-hwaddr-type" title="nm_utils_hwaddr_type ()">nm_utils_hwaddr_type</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-hwaddr-ntoa" title="nm_utils_hwaddr_ntoa ()">nm_utils_hwaddr_ntoa</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">GByteArray</span> *
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-hwaddr-atoba" title="nm_utils_hwaddr_atoba ()">nm_utils_hwaddr_atoba</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">guint8</span> *
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-hwaddr-aton" title="nm_utils_hwaddr_aton ()">nm_utils_hwaddr_aton</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-iface-valid-name" title="nm_utils_iface_valid_name ()">nm_utils_iface_valid_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libnm-util-nm-utils.html#nm-utils-is-uuid" title="nm_utils_is_uuid ()">nm_utils_is_uuid</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="libnm-util-nm-utils.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="libnm-util-nm-utils.html#NMUtilsSecurityType" title="enum NMUtilsSecurityType">NMUtilsSecurityType</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="libnm-util-nm-utils.html#NM-UTILS-HWADDR-LEN-MAX:CAPS" title="NM_UTILS_HWADDR_LEN_MAX">NM_UTILS_HWADDR_LEN_MAX</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="libnm-util-nm-utils.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> GEnum
<span class="lineart">╰──</span> NMUtilsSecurityType
</pre>
</div>
<div class="refsect1">
<a name="libnm-util-nm-utils.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include <nm-utils.h>
</pre>
</div>
<div class="refsect1">
<a name="libnm-util-nm-utils.description"></a><h2>Description</h2>
<p>A collection of utility functions for working SSIDs, IP addresses, WiFi
access points and devices, among other things.</p>
</div>
<div class="refsect1">
<a name="libnm-util-nm-utils.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="nm-utils-init"></a><h3>nm_utils_init ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
nm_utils_init (<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>Initializes libnm-util; should be called when starting and program that
uses libnm-util. Sets up an <code class="function">atexit()</code> handler to ensure de-initialization
is performed, but calling <a class="link" href="libnm-util-nm-utils.html#nm-utils-deinit" title="nm_utils_deinit ()"><code class="function">nm_utils_deinit()</code></a> to explicitly deinitialize
libnm-util can also be done. This function can be called more than once.</p>
<div class="refsect3">
<a name="id-1.2.26.8.2.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>location to store error, or <code class="literal">NULL</code></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.2.6"></a><h4>Returns</h4>
<p> TRUE if the initialization was successful, FALSE on failure.</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-deinit"></a><h3>nm_utils_deinit ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
nm_utils_deinit (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Frees all resources used internally by libnm-util. This function is called
from an <code class="function">atexit()</code> handler, set up by <a class="link" href="libnm-util-nm-utils.html#nm-utils-init" title="nm_utils_init ()"><code class="function">nm_utils_init()</code></a>, but is safe to be called
more than once. Subsequent calls have no effect until <a class="link" href="libnm-util-nm-utils.html#nm-utils-init" title="nm_utils_init ()"><code class="function">nm_utils_init()</code></a> is
called again.</p>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-is-empty-ssid"></a><h3>nm_utils_is_empty_ssid ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
nm_utils_is_empty_ssid (<em class="parameter"><code>const <span class="type">guint8</span> *ssid</code></em>,
<em class="parameter"><code><span class="type">int</span> len</code></em>);</pre>
<p>Different manufacturers use different mechanisms for not broadcasting the
AP's SSID. This function attempts to detect blank/empty SSIDs using a
number of known SSID-cloaking methods.</p>
<div class="refsect3">
<a name="id-1.2.26.8.4.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>ssid</p></td>
<td class="parameter_description"><p>pointer to a buffer containing the SSID data</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>len</p></td>
<td class="parameter_description"><p>length of the SSID data in <em class="parameter"><code>ssid</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.4.6"></a><h4>Returns</h4>
<p> TRUE if the SSID is "empty", FALSE if it is not</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-escape-ssid"></a><h3>nm_utils_escape_ssid ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
nm_utils_escape_ssid (<em class="parameter"><code>const <span class="type">guint8</span> *ssid</code></em>,
<em class="parameter"><code><span class="type">guint32</span> len</code></em>);</pre>
<p>This function does a quick printable character conversion of the SSID, simply
replacing embedded NULLs and non-printable characters with the hexadecimal
representation of that character. Intended for debugging only, should not
be used for display of SSIDs.</p>
<div class="refsect3">
<a name="id-1.2.26.8.5.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>ssid</p></td>
<td class="parameter_description"><p>pointer to a buffer containing the SSID data</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>len</p></td>
<td class="parameter_description"><p>length of the SSID data in <em class="parameter"><code>ssid</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.5.6"></a><h4>Returns</h4>
<p> pointer to the escaped SSID, which uses an internal static buffer
and will be overwritten by subsequent calls to this function</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-same-ssid"></a><h3>nm_utils_same_ssid ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
nm_utils_same_ssid (<em class="parameter"><code>const <span class="type">GByteArray</span> *ssid1</code></em>,
<em class="parameter"><code>const <span class="type">GByteArray</span> *ssid2</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> ignore_trailing_null</code></em>);</pre>
<p>Earlier versions of the Linux kernel added a NULL byte to the end of the
SSID to enable easy printing of the SSID on the console or in a terminal,
but this behavior was problematic (SSIDs are simply byte arrays, not strings)
and thus was changed. This function compensates for that behavior at the
cost of some compatibility with odd SSIDs that may legitimately have trailing
NULLs, even though that is functionally pointless.</p>
<div class="refsect3">
<a name="id-1.2.26.8.6.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>ssid1</p></td>
<td class="parameter_description"><p>first SSID data to compare</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>ssid2</p></td>
<td class="parameter_description"><p>second SSID data to compare</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>ignore_trailing_null</p></td>
<td class="parameter_description"><p>TRUE to ignore one trailing NULL byte</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.6.6"></a><h4>Returns</h4>
<p> TRUE if the SSIDs are the same, FALSE if they are not</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-ssid-to-utf8"></a><h3>nm_utils_ssid_to_utf8 ()</h3>
<pre class="programlisting"><span class="returnvalue">char</span> *
nm_utils_ssid_to_utf8 (<em class="parameter"><code>const <span class="type">GByteArray</span> *ssid</code></em>);</pre>
<p>WiFi SSIDs are byte arrays, they are _not_ strings. Thus, an SSID may
contain embedded NULLs and other unprintable characters. Often it is
useful to print the SSID out for debugging purposes, but that should be the
_only_ use of this function. Do not use this function for any persistent
storage of the SSID, since the printable SSID returned from this function
cannot be converted back into the real SSID of the access point.</p>
<p>This function does almost everything humanly possible to convert the input
into a printable UTF-8 string, using roughly the following procedure:</p>
<p>1) if the input data is already UTF-8 safe, no conversion is performed
2) attempts to get the current system language from the LANG environment
variable, and depending on the language, uses a table of alternative
encodings to try. For example, if LANG=hu_HU, the table may first try
the ISO-8859-2 encoding, and if that fails, try the Windows-1250 encoding.
If all fallback encodings fail, replaces non-UTF-8 characters with '?'.
3) If the system language was unable to be determined, falls back to the
ISO-8859-1 encoding, then to the Windows-1251 encoding.
4) If step 3 fails, replaces non-UTF-8 characters with '?'.</p>
<p>Again, this function should be used for debugging and display purposes
_only_.</p>
<div class="refsect3">
<a name="id-1.2.26.8.7.8"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>ssid</p></td>
<td class="parameter_description"><p>a byte array containing the SSID data</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.7.9"></a><h4>Returns</h4>
<p> an allocated string containing a UTF-8
representation of the SSID, which must be freed by the caller using <code class="function">g_free()</code>.
Returns <code class="literal">NULL</code> on errors. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-gvalue-hash-dup"></a><h3>nm_utils_gvalue_hash_dup ()</h3>
<pre class="programlisting"><span class="returnvalue">GHashTable</span> *
nm_utils_gvalue_hash_dup (<em class="parameter"><code><span class="type">GHashTable</span> *hash</code></em>);</pre>
<p>Utility function to duplicate a hash table of GValues.</p>
<div class="refsect3">
<a name="id-1.2.26.8.8.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>hash</p></td>
<td class="parameter_description"><p>a <span class="type">GHashTable</span> mapping string:GValue</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.8.6"></a><h4>Returns</h4>
<p> a newly allocated duplicated <span class="type">GHashTable</span>, caller must free the
returned hash with <code class="function">g_hash_table_unref()</code> or <code class="function">g_hash_table_destroy()</code>. </p>
<p><span class="annotation">[<acronym title="Free data container after the code is done."><span class="acronym">transfer container</span></acronym>][<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> utf8 GObject.Value]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-slist-free"></a><h3>nm_utils_slist_free ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
nm_utils_slist_free (<em class="parameter"><code><span class="type">GSList</span> *list</code></em>,
<em class="parameter"><code><span class="type">GDestroyNotify</span> elem_destroy_fn</code></em>);</pre>
<p>Utility function to free a <span class="type">GSList</span>.</p>
<div class="refsect3">
<a name="id-1.2.26.8.9.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>list</p></td>
<td class="parameter_description"><p>a <span class="type">GSList</span></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>elem_destroy_fn</p></td>
<td class="parameter_description"><p>user function called for each element in <em class="parameter"><code>list</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-security-valid"></a><h3>nm_utils_security_valid ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
nm_utils_security_valid (<em class="parameter"><code><a class="link" href="libnm-util-nm-utils.html#NMUtilsSecurityType" title="enum NMUtilsSecurityType"><span class="type">NMUtilsSecurityType</span></a> type</code></em>,
<em class="parameter"><code><span class="type">NMDeviceWifiCapabilities</span> wifi_caps</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> have_ap</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> adhoc</code></em>,
<em class="parameter"><code><span class="type">NM80211ApFlags</span> ap_flags</code></em>,
<em class="parameter"><code><span class="type">NM80211ApSecurityFlags</span> ap_wpa</code></em>,
<em class="parameter"><code><span class="type">NM80211ApSecurityFlags</span> ap_rsn</code></em>);</pre>
<p>Given a set of device capabilities, and a desired security type to check
against, determines whether the combination of device, desired security
type, and AP capabilities intersect.</p>
<p>NOTE: this function cannot handle checking security for AP/Hotspot mode;
use <a class="link" href="libnm-util-nm-utils.html#nm-utils-ap-mode-security-valid" title="nm_utils_ap_mode_security_valid ()"><code class="function">nm_utils_ap_mode_security_valid()</code></a> instead.</p>
<div class="refsect3">
<a name="id-1.2.26.8.10.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>the security type to check AP flags and device capabilties against,
e.g. <a class="link" href="libnm-util-nm-utils.html#NMU-SEC-STATIC-WEP:CAPS"><span class="type">NMU_SEC_STATIC_WEP</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>wifi_caps</p></td>
<td class="parameter_description"><p>bitfield of the capabilities of the specific WiFi device, e.g.
<span class="type">NM_WIFI_DEVICE_CAP_CIPHER_WEP40</span></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>have_ap</p></td>
<td class="parameter_description"><p>whether the <em class="parameter"><code>ap_flags</code></em>
, <em class="parameter"><code>ap_wpa</code></em>
, and <em class="parameter"><code>ap_rsn</code></em>
arguments are valid</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>adhoc</p></td>
<td class="parameter_description"><p>whether the capabilities being tested are from an Ad-Hoc AP (IBSS)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>ap_flags</p></td>
<td class="parameter_description"><p>bitfield of AP capabilities, e.g. <span class="type">NM_802_11_AP_FLAGS_PRIVACY</span></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>ap_wpa</p></td>
<td class="parameter_description"><p>bitfield of AP capabilties derived from the AP's WPA beacon,
e.g. (<span class="type">NM_802_11_AP_SEC_PAIR_TKIP</span> | <span class="type">NM_802_11_AP_SEC_KEY_MGMT_PSK</span>)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>ap_rsn</p></td>
<td class="parameter_description"><p>bitfield of AP capabilties derived from the AP's RSN/WPA2 beacon,
e.g. (<span class="type">NM_802_11_AP_SEC_PAIR_CCMP</span> | <span class="type">NM_802_11_AP_SEC_PAIR_TKIP</span>)</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.10.7"></a><h4>Returns</h4>
<p> TRUE if the device capabilities and AP capabilties intersect and are
compatible with the desired <em class="parameter"><code>type</code></em>
, FALSE if they are not</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-ap-mode-security-valid"></a><h3>nm_utils_ap_mode_security_valid ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
nm_utils_ap_mode_security_valid (<em class="parameter"><code><a class="link" href="libnm-util-nm-utils.html#NMUtilsSecurityType" title="enum NMUtilsSecurityType"><span class="type">NMUtilsSecurityType</span></a> type</code></em>,
<em class="parameter"><code><span class="type">NMDeviceWifiCapabilities</span> wifi_caps</code></em>);</pre>
<p>Given a set of device capabilities, and a desired security type to check
against, determines whether the combination of device capabilities and
desired security type are valid for AP/Hotspot connections.</p>
<div class="refsect3">
<a name="id-1.2.26.8.11.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>the security type to check device capabilties against,
e.g. <a class="link" href="libnm-util-nm-utils.html#NMU-SEC-STATIC-WEP:CAPS"><span class="type">NMU_SEC_STATIC_WEP</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>wifi_caps</p></td>
<td class="parameter_description"><p>bitfield of the capabilities of the specific WiFi device, e.g.
<span class="type">NM_WIFI_DEVICE_CAP_CIPHER_WEP40</span></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.11.6"></a><h4>Returns</h4>
<p> TRUE if the device capabilities are compatible with the desired
<em class="parameter"><code>type</code></em>
, FALSE if they are not.</p>
<p></p>
</div>
<p class="since">Since 0.9.8</p>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-wep-key-valid"></a><h3>nm_utils_wep_key_valid ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
nm_utils_wep_key_valid (<em class="parameter"><code>const <span class="type">char</span> *key</code></em>,
<em class="parameter"><code><a class="link" href="NMSettingWirelessSecurity.html#NMWepKeyType" title="enum NMWepKeyType"><span class="type">NMWepKeyType</span></a> wep_type</code></em>);</pre>
<p>Checks if <em class="parameter"><code>key</code></em>
is a valid WEP key</p>
<div class="refsect3">
<a name="id-1.2.26.8.12.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>key</p></td>
<td class="parameter_description"><p>a string that might be a WEP key</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>wep_type</p></td>
<td class="parameter_description"><p>the <a class="link" href="NMSettingWirelessSecurity.html#NMWepKeyType" title="enum NMWepKeyType"><span class="type">NMWepKeyType</span></a> type of the WEP key</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.12.6"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> if <em class="parameter"><code>key</code></em>
is a WEP key, <code class="literal">FALSE</code> if not</p>
<p></p>
</div>
<p class="since">Since 0.9.8</p>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-wpa-psk-valid"></a><h3>nm_utils_wpa_psk_valid ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
nm_utils_wpa_psk_valid (<em class="parameter"><code>const <span class="type">char</span> *psk</code></em>);</pre>
<p>Checks if <em class="parameter"><code>psk</code></em>
is a valid WPA PSK</p>
<div class="refsect3">
<a name="id-1.2.26.8.13.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>psk</p></td>
<td class="parameter_description"><p>a string that might be a WPA PSK</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.13.6"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> if <em class="parameter"><code>psk</code></em>
is a WPA PSK, <code class="literal">FALSE</code> if not</p>
<p></p>
</div>
<p class="since">Since 0.9.8</p>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-ip4-addresses-from-gvalue"></a><h3>nm_utils_ip4_addresses_from_gvalue ()</h3>
<pre class="programlisting"><span class="returnvalue">GSList</span> *
nm_utils_ip4_addresses_from_gvalue (<em class="parameter"><code>const <span class="type">GValue</span> *value</code></em>);</pre>
<p>Utility function to convert a <span class="type">GPtrArray</span> of <span class="type">GArrays</span> of guint32s representing
a list of NetworkManager IPv4 addresses (which is a tuple of address, gateway,
and prefix) into a GSList of <a class="link" href="NMSettingIP4Config.html#NMIP4Address"><span class="type">NMIP4Address</span></a> objects. The specific format of
this serialization is not guaranteed to be stable and the <span class="type">GArray</span> may be
extended in the future.</p>
<div class="refsect3">
<a name="id-1.2.26.8.14.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>gvalue containing a GPtrArray of GArrays of guint32s</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.14.6"></a><h4>Returns</h4>
<p> a newly allocated <span class="type">GSList</span> of <a class="link" href="NMSettingIP4Config.html#NMIP4Address"><span class="type">NMIP4Address</span></a> objects. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> NetworkManager.IP4Address]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-ip4-addresses-to-gvalue"></a><h3>nm_utils_ip4_addresses_to_gvalue ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
nm_utils_ip4_addresses_to_gvalue (<em class="parameter"><code><span class="type">GSList</span> *list</code></em>,
<em class="parameter"><code><span class="type">GValue</span> *value</code></em>);</pre>
<p>Utility function to convert a <span class="type">GSList</span> of <a class="link" href="NMSettingIP4Config.html#NMIP4Address"><span class="type">NMIP4Address</span></a> objects into a
GPtrArray of GArrays of guint32s representing a list of NetworkManager IPv4
addresses (which is a tuple of address, gateway, and prefix). The specific
format of this serialization is not guaranteed to be stable and may be
extended in the future.</p>
<div class="refsect3">
<a name="id-1.2.26.8.15.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>list</p></td>
<td class="parameter_description"><p> a list of <a class="link" href="NMSettingIP4Config.html#NMIP4Address"><span class="type">NMIP4Address</span></a> objects. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> NMIP4Address]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a pointer to a <span class="type">GValue</span> into which to place the converted addresses,
which should be unset by the caller (when no longer needed) with
<code class="function">g_value_unset()</code>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-ip4-routes-from-gvalue"></a><h3>nm_utils_ip4_routes_from_gvalue ()</h3>
<pre class="programlisting"><span class="returnvalue">GSList</span> *
nm_utils_ip4_routes_from_gvalue (<em class="parameter"><code>const <span class="type">GValue</span> *value</code></em>);</pre>
<p>Utility function to convert a GPtrArray of GArrays of guint32s representing
a list of NetworkManager IPv4 routes (which is a tuple of route, next hop,
prefix, and metric) into a GSList of <a class="link" href="NMSettingIP4Config.html#NMIP4Route"><span class="type">NMIP4Route</span></a> objects. The specific
format of this serialization is not guaranteed to be stable and may be
extended in the future.</p>
<div class="refsect3">
<a name="id-1.2.26.8.16.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>gvalue containing a GPtrArray of GArrays of guint32s</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.16.6"></a><h4>Returns</h4>
<p> a newly allocated <span class="type">GSList</span> of <a class="link" href="NMSettingIP4Config.html#NMIP4Route"><span class="type">NMIP4Route</span></a> objects. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> NetworkManager.IP4Route]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-ip4-routes-to-gvalue"></a><h3>nm_utils_ip4_routes_to_gvalue ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
nm_utils_ip4_routes_to_gvalue (<em class="parameter"><code><span class="type">GSList</span> *list</code></em>,
<em class="parameter"><code><span class="type">GValue</span> *value</code></em>);</pre>
<p>Utility function to convert a <span class="type">GSList</span> of <a class="link" href="NMSettingIP4Config.html#NMIP4Route"><span class="type">NMIP4Route</span></a> objects into a
GPtrArray of GArrays of guint32s representing a list of NetworkManager IPv4
routes (which is a tuple of route, next hop, prefix, and metric). The
specific format of this serialization is not guaranteed to be stable and may
be extended in the future.</p>
<div class="refsect3">
<a name="id-1.2.26.8.17.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>list</p></td>
<td class="parameter_description"><p> a list of <a class="link" href="NMSettingIP4Config.html#NMIP4Route"><span class="type">NMIP4Route</span></a> objects. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> NMIP4Route]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a pointer to a <span class="type">GValue</span> into which to place the converted routes,
which should be unset by the caller (when no longer needed) with
<code class="function">g_value_unset()</code>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-ip4-netmask-to-prefix"></a><h3>nm_utils_ip4_netmask_to_prefix ()</h3>
<pre class="programlisting"><span class="returnvalue">guint32</span>
nm_utils_ip4_netmask_to_prefix (<em class="parameter"><code><span class="type">guint32</span> netmask</code></em>);</pre>
<div class="refsect3">
<a name="id-1.2.26.8.18.4"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>netmask</p></td>
<td class="parameter_description"><p>an IPv4 netmask in network byte order</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.18.5"></a><h4>Returns</h4>
<p> the CIDR prefix represented by the netmask</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-ip4-prefix-to-netmask"></a><h3>nm_utils_ip4_prefix_to_netmask ()</h3>
<pre class="programlisting"><span class="returnvalue">guint32</span>
nm_utils_ip4_prefix_to_netmask (<em class="parameter"><code><span class="type">guint32</span> prefix</code></em>);</pre>
<div class="refsect3">
<a name="id-1.2.26.8.19.4"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>prefix</p></td>
<td class="parameter_description"><p>a CIDR prefix</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.19.5"></a><h4>Returns</h4>
<p> the netmask represented by the prefix, in network byte order</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-ip4-get-default-prefix"></a><h3>nm_utils_ip4_get_default_prefix ()</h3>
<pre class="programlisting"><span class="returnvalue">guint32</span>
nm_utils_ip4_get_default_prefix (<em class="parameter"><code><span class="type">guint32</span> ip</code></em>);</pre>
<p>When the Internet was originally set up, various ranges of IP addresses were
segmented into three network classes: A, B, and C. This function will return
a prefix that is associated with the IP address specified defining where it
falls in the predefined classes.</p>
<div class="refsect3">
<a name="id-1.2.26.8.20.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>ip</p></td>
<td class="parameter_description"><p>an IPv4 address (in network byte order)</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.20.6"></a><h4>Returns</h4>
<p> the default class prefix for the given IP</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-ip6-addresses-from-gvalue"></a><h3>nm_utils_ip6_addresses_from_gvalue ()</h3>
<pre class="programlisting"><span class="returnvalue">GSList</span> *
nm_utils_ip6_addresses_from_gvalue (<em class="parameter"><code>const <span class="type">GValue</span> *value</code></em>);</pre>
<p>Utility function to convert a <span class="type">GPtrArray</span> of <span class="type">GValueArrays</span> of (<span class="type">GArray</span> of guchars) and guint32
representing a list of NetworkManager IPv6 addresses (which is a tuple of address,
prefix, and gateway), into a GSList of <a class="link" href="NMSettingIP6Config.html#NMIP6Address"><span class="type">NMIP6Address</span></a> objects. The specific format of
this serialization is not guaranteed to be stable and the <span class="type">GValueArray</span> may be
extended in the future.</p>
<div class="refsect3">
<a name="id-1.2.26.8.21.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>gvalue containing a GPtrArray of GValueArrays of (GArray of guchars) and guint32</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.21.6"></a><h4>Returns</h4>
<p> a newly allocated <span class="type">GSList</span> of <a class="link" href="NMSettingIP6Config.html#NMIP6Address"><span class="type">NMIP6Address</span></a> objects. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> NetworkManager.IP6Address]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-ip6-addresses-to-gvalue"></a><h3>nm_utils_ip6_addresses_to_gvalue ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
nm_utils_ip6_addresses_to_gvalue (<em class="parameter"><code><span class="type">GSList</span> *list</code></em>,
<em class="parameter"><code><span class="type">GValue</span> *value</code></em>);</pre>
<p>Utility function to convert a <span class="type">GSList</span> of <a class="link" href="NMSettingIP6Config.html#NMIP6Address"><span class="type">NMIP6Address</span></a> objects into a
GPtrArray of GValueArrays representing a list of NetworkManager IPv6 addresses
(which is a tuple of address, prefix, and gateway). The specific format of
this serialization is not guaranteed to be stable and may be extended in the
future.</p>
<div class="refsect3">
<a name="id-1.2.26.8.22.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>list</p></td>
<td class="parameter_description"><p> a list of <a class="link" href="NMSettingIP6Config.html#NMIP6Address"><span class="type">NMIP6Address</span></a> objects. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> NMIP6Address]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a pointer to a <span class="type">GValue</span> into which to place the converted addresses,
which should be unset by the caller (when no longer needed) with
<code class="function">g_value_unset()</code>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-ip6-routes-from-gvalue"></a><h3>nm_utils_ip6_routes_from_gvalue ()</h3>
<pre class="programlisting"><span class="returnvalue">GSList</span> *
nm_utils_ip6_routes_from_gvalue (<em class="parameter"><code>const <span class="type">GValue</span> *value</code></em>);</pre>
<p>Utility function GPtrArray of GValueArrays of (GArray or guchars), guint32,
(GArray of guchars), and guint32 representing a list of NetworkManager IPv6
routes (which is a tuple of destination, prefix, next hop, and metric)
into a GSList of <a class="link" href="NMSettingIP6Config.html#NMIP6Route"><span class="type">NMIP6Route</span></a> objects. The specific format of this serialization
is not guaranteed to be stable and may be extended in the future.</p>
<div class="refsect3">
<a name="id-1.2.26.8.23.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>gvalue containing a GPtrArray of GValueArrays of (GArray or guchars), guint32,
(GArray of guchars), and guint32</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.23.6"></a><h4>Returns</h4>
<p> a newly allocated <span class="type">GSList</span> of <a class="link" href="NMSettingIP6Config.html#NMIP6Route"><span class="type">NMIP6Route</span></a> objects. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> NetworkManager.IP6Route]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-ip6-routes-to-gvalue"></a><h3>nm_utils_ip6_routes_to_gvalue ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
nm_utils_ip6_routes_to_gvalue (<em class="parameter"><code><span class="type">GSList</span> *list</code></em>,
<em class="parameter"><code><span class="type">GValue</span> *value</code></em>);</pre>
<p>Utility function to convert a <span class="type">GSList</span> of <a class="link" href="NMSettingIP6Config.html#NMIP6Route"><span class="type">NMIP6Route</span></a> objects into a GPtrArray of
GValueArrays of (GArray or guchars), guint32, (GArray of guchars), and guint32
representing a list of NetworkManager IPv6 routes (which is a tuple of destination,
prefix, next hop, and metric). The specific format of this serialization is not
guaranteed to be stable and may be extended in the future.</p>
<div class="refsect3">
<a name="id-1.2.26.8.24.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>list</p></td>
<td class="parameter_description"><p> a list of <a class="link" href="NMSettingIP6Config.html#NMIP6Route"><span class="type">NMIP6Route</span></a> objects. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> NMIP6Route]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a pointer to a <span class="type">GValue</span> into which to place the converted routes,
which should be unset by the caller (when no longer needed) with
<code class="function">g_value_unset()</code>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-ip6-dns-from-gvalue"></a><h3>nm_utils_ip6_dns_from_gvalue ()</h3>
<pre class="programlisting"><span class="returnvalue">GSList</span> *
nm_utils_ip6_dns_from_gvalue (<em class="parameter"><code>const <span class="type">GValue</span> *value</code></em>);</pre>
<p>Converts a <span class="type">GValue</span> containing a <span class="type">GPtrArray</span> of IP6 DNS, represented as
<span class="type">GByteArray</span>s into a <span class="type">GSList</span> of <span class="type">in6_addr</span>s.</p>
<div class="refsect3">
<a name="id-1.2.26.8.25.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a <span class="type">GValue</span></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.25.6"></a><h4>Returns</h4>
<p> a <span class="type">GSList</span> of IP6
addresses. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> Posix.in6_addr]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-ip6-dns-to-gvalue"></a><h3>nm_utils_ip6_dns_to_gvalue ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
nm_utils_ip6_dns_to_gvalue (<em class="parameter"><code><span class="type">GSList</span> *list</code></em>,
<em class="parameter"><code><span class="type">GValue</span> *value</code></em>);</pre>
<p>Utility function to convert a <span class="type">GSList</span> of 'struct in6_addr' structs into a
GPtrArray of GByteArrays representing each server's IPv6 addresses in
network byte order. The specific format of this serialization is not
guaranteed to be stable and may be extended in the future.</p>
<div class="refsect3">
<a name="id-1.2.26.8.26.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>list</p></td>
<td class="parameter_description"><p>a list of <a class="link" href="NMSettingIP6Config.html#NMIP6Route"><span class="type">NMIP6Route</span></a> objects</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a pointer to a <span class="type">GValue</span> into which to place the converted DNS server
addresses, which should be unset by the caller (when no longer needed) with
<code class="function">g_value_unset()</code>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-uuid-generate"></a><h3>nm_utils_uuid_generate ()</h3>
<pre class="programlisting"><span class="returnvalue">char</span> *
nm_utils_uuid_generate (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<div class="refsect3">
<a name="id-1.2.26.8.27.4"></a><h4>Returns</h4>
<p> a newly allocated UUID suitable for use as the <a class="link" href="NMSettingConnection.html" title="NMSettingConnection"><span class="type">NMSettingConnection</span></a>
object's <a class="link" href="NMSettingConnection.html#NMSettingConnection--id" title="The “id” property"><span class="type">“id”</span></a>: property. Should be freed with <code class="function">g_free()</code></p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-uuid-generate-from-string"></a><h3>nm_utils_uuid_generate_from_string ()</h3>
<pre class="programlisting"><span class="returnvalue">char</span> *
nm_utils_uuid_generate_from_string (<em class="parameter"><code>const <span class="type">char</span> *s</code></em>);</pre>
<p>For a given <em class="parameter"><code>s</code></em>
, this function will always return the same UUID.</p>
<div class="refsect3">
<a name="id-1.2.26.8.28.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>s</p></td>
<td class="parameter_description"><p>a string to use as the seed for the UUID</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.28.6"></a><h4>Returns</h4>
<p> a newly allocated UUID suitable for use as the <a class="link" href="NMSettingConnection.html" title="NMSettingConnection"><span class="type">NMSettingConnection</span></a>
object's <a class="link" href="NMSettingConnection.html#NMSettingConnection--id" title="The “id” property"><span class="type">“id”</span></a>: property</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-rsa-key-encrypt"></a><h3>nm_utils_rsa_key_encrypt ()</h3>
<pre class="programlisting"><span class="returnvalue">GByteArray</span> *
nm_utils_rsa_key_encrypt (<em class="parameter"><code>const <span class="type">GByteArray</span> *data</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *in_password</code></em>,
<em class="parameter"><code><span class="type">char</span> **out_password</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>Encrypts the given RSA private key data with the given password (or generates
a password if no password was given) and converts the data to PEM format
suitable for writing to a file.</p>
<div class="refsect3">
<a name="id-1.2.26.8.29.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>RSA private key data to be encrypted</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>in_password</p></td>
<td class="parameter_description"><p> existing password to use, if any. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>out_password</p></td>
<td class="parameter_description"><p> if <em class="parameter"><code>in_password</code></em>
was <code class="literal">NULL</code>, a random password will be generated
and returned in this argument. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>detailed error information on return, if an error occurred</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.29.6"></a><h4>Returns</h4>
<p> on success, PEM-formatted data suitable for writing to a PEM-formatted
certificate/private key file. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-file-is-pkcs12"></a><h3>nm_utils_file_is_pkcs12 ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
nm_utils_file_is_pkcs12 (<em class="parameter"><code>const <span class="type">char</span> *filename</code></em>);</pre>
<p>Utility function to find out if the <em class="parameter"><code>filename</code></em>
is in PKCS<span class="type">12</span> format.</p>
<div class="refsect3">
<a name="id-1.2.26.8.30.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>filename</p></td>
<td class="parameter_description"><p>name of the file to test</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.30.6"></a><h4>Returns</h4>
<p> TRUE if the file is PKCS<span class="type">12</span>, FALSE if it is not</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-wifi-freq-to-channel"></a><h3>nm_utils_wifi_freq_to_channel ()</h3>
<pre class="programlisting"><span class="returnvalue">guint32</span>
nm_utils_wifi_freq_to_channel (<em class="parameter"><code><span class="type">guint32</span> freq</code></em>);</pre>
<p>Utility function to translate a WiFi frequency to its corresponding channel.</p>
<div class="refsect3">
<a name="id-1.2.26.8.31.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>freq</p></td>
<td class="parameter_description"><p>frequency</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.31.6"></a><h4>Returns</h4>
<p> the channel represented by the frequency or 0</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-wifi-channel-to-freq"></a><h3>nm_utils_wifi_channel_to_freq ()</h3>
<pre class="programlisting"><span class="returnvalue">guint32</span>
nm_utils_wifi_channel_to_freq (<em class="parameter"><code><span class="type">guint32</span> channel</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *band</code></em>);</pre>
<p>Utility function to translate a WiFi channel to its corresponding frequency.</p>
<div class="refsect3">
<a name="id-1.2.26.8.32.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>channel</p></td>
<td class="parameter_description"><p>channel</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>band</p></td>
<td class="parameter_description"><p>frequency band for wireless ("a" or "bg")</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.32.6"></a><h4>Returns</h4>
<p> the frequency represented by the channel of the band,
or -1 when the freq is invalid, or 0 when the band
is invalid</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-wifi-find-next-channel"></a><h3>nm_utils_wifi_find_next_channel ()</h3>
<pre class="programlisting"><span class="returnvalue">guint32</span>
nm_utils_wifi_find_next_channel (<em class="parameter"><code><span class="type">guint32</span> channel</code></em>,
<em class="parameter"><code><span class="type">int</span> direction</code></em>,
<em class="parameter"><code><span class="type">char</span> *band</code></em>);</pre>
<p>Utility function to find out next/previous WiFi channel for a channel.</p>
<div class="refsect3">
<a name="id-1.2.26.8.33.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>channel</p></td>
<td class="parameter_description"><p>current channel</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>direction</p></td>
<td class="parameter_description"><p>whether going downward (0 or less) or upward (1 or more)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>band</p></td>
<td class="parameter_description"><p>frequency band for wireless ("a" or "bg")</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.33.6"></a><h4>Returns</h4>
<p> the next channel in the specified direction or 0</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-wifi-is-channel-valid"></a><h3>nm_utils_wifi_is_channel_valid ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
nm_utils_wifi_is_channel_valid (<em class="parameter"><code><span class="type">guint32</span> channel</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *band</code></em>);</pre>
<p>Utility function to verify WiFi channel validity.</p>
<div class="refsect3">
<a name="id-1.2.26.8.34.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>channel</p></td>
<td class="parameter_description"><p>channel</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>band</p></td>
<td class="parameter_description"><p>frequency band for wireless ("a" or "bg")</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.34.6"></a><h4>Returns</h4>
<p> TRUE or FALSE</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-hwaddr-len"></a><h3>nm_utils_hwaddr_len ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
nm_utils_hwaddr_len (<em class="parameter"><code><span class="type">int</span> type</code></em>);</pre>
<p>Returns the length in octets of a hardware address of type <em class="parameter"><code>type</code></em>
.</p>
<div class="refsect3">
<a name="id-1.2.26.8.35.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>the type of address; either <code class="literal">ARPHRD_ETHER</code> or <code class="literal">ARPHRD_INFINIBAND</code></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.35.6"></a><h4>Returns</h4>
<p> the length</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-hwaddr-type"></a><h3>nm_utils_hwaddr_type ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
nm_utils_hwaddr_type (<em class="parameter"><code><span class="type">int</span> len</code></em>);</pre>
<p>Returns the type (either <code class="literal">ARPHRD_ETHER</code> or <code class="literal">ARPHRD_INFINIBAND</code>) of the raw
address given its length.</p>
<div class="refsect3">
<a name="id-1.2.26.8.36.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>len</p></td>
<td class="parameter_description"><p>the length of hardware address in bytes</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.36.6"></a><h4>Returns</h4>
<p> the type, either <code class="literal">ARPHRD_ETHER</code> or <code class="literal">ARPHRD_INFINIBAND</code>, or -1 if
the address length was not recognized</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-hwaddr-ntoa"></a><h3>nm_utils_hwaddr_ntoa ()</h3>
<pre class="programlisting"><span class="returnvalue">char</span> *
nm_utils_hwaddr_ntoa (<em class="parameter"><code><span class="type">gconstpointer</span> addr</code></em>,
<em class="parameter"><code><span class="type">int</span> type</code></em>);</pre>
<p>Converts <em class="parameter"><code>addr</code></em>
to textual form.</p>
<div class="refsect3">
<a name="id-1.2.26.8.37.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>addr</p></td>
<td class="parameter_description"><p>a binary hardware address</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>the type of address; either <code class="literal">ARPHRD_ETHER</code> or <code class="literal">ARPHRD_INFINIBAND</code></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.37.6"></a><h4>Returns</h4>
<p> the textual form of <em class="parameter"><code>addr</code></em>
. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-hwaddr-atoba"></a><h3>nm_utils_hwaddr_atoba ()</h3>
<pre class="programlisting"><span class="returnvalue">GByteArray</span> *
nm_utils_hwaddr_atoba (<em class="parameter"><code>const <span class="type">char</span> *asc</code></em>,
<em class="parameter"><code><span class="type">int</span> type</code></em>);</pre>
<p>Parses <em class="parameter"><code>asc</code></em>
and converts it to binary form in a <span class="type">GByteArray</span>. See
<a class="link" href="libnm-util-nm-utils.html#nm-utils-hwaddr-aton" title="nm_utils_hwaddr_aton ()"><code class="function">nm_utils_hwaddr_aton()</code></a> if you don't want a <span class="type">GByteArray</span>.</p>
<div class="refsect3">
<a name="id-1.2.26.8.38.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>asc</p></td>
<td class="parameter_description"><p>the ASCII representation of a hardware address</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>the type of address; either <code class="literal">ARPHRD_ETHER</code> or <code class="literal">ARPHRD_INFINIBAND</code></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.38.6"></a><h4>Returns</h4>
<p> a new <span class="type">GByteArray</span>, or <code class="literal">NULL</code> if <em class="parameter"><code>asc</code></em>
couldn't
be parsed. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-hwaddr-aton"></a><h3>nm_utils_hwaddr_aton ()</h3>
<pre class="programlisting"><span class="returnvalue">guint8</span> *
nm_utils_hwaddr_aton (<em class="parameter"><code>const <span class="type">char</span> *asc</code></em>,
<em class="parameter"><code><span class="type">int</span> type</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> buffer</code></em>);</pre>
<p>Parses <em class="parameter"><code>asc</code></em>
and converts it to binary form in <em class="parameter"><code>buffer</code></em>
. See
<a class="link" href="libnm-util-nm-utils.html#nm-utils-hwaddr-atoba" title="nm_utils_hwaddr_atoba ()"><code class="function">nm_utils_hwaddr_atoba()</code></a> if you'd rather have the result in a
<span class="type">GByteArray</span>.</p>
<div class="refsect3">
<a name="id-1.2.26.8.39.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>asc</p></td>
<td class="parameter_description"><p>the ASCII representation of a hardware address</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>the type of address; either <code class="literal">ARPHRD_ETHER</code> or <code class="literal">ARPHRD_INFINIBAND</code></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>buffer</p></td>
<td class="parameter_description"><p>buffer to store the result into</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.39.6"></a><h4>Returns</h4>
<p> <em class="parameter"><code>buffer</code></em>
, or <code class="literal">NULL</code> if <em class="parameter"><code>asc</code></em>
couldn't be parsed</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-iface-valid-name"></a><h3>nm_utils_iface_valid_name ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
nm_utils_iface_valid_name (<em class="parameter"><code>const <span class="type">char</span> *name</code></em>);</pre>
<p>This function is a 1:1 copy of the kernel's interface validation
function in net/core/dev.c.</p>
<div class="refsect3">
<a name="id-1.2.26.8.40.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>Name of interface</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.40.6"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> if interface name is valid, otherwise <code class="literal">FALSE</code> is returned.</p>
<p></p>
</div>
<p class="since">Since 0.9.8</p>
</div>
<hr>
<div class="refsect2">
<a name="nm-utils-is-uuid"></a><h3>nm_utils_is_uuid ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
nm_utils_is_uuid (<em class="parameter"><code>const <span class="type">char</span> *str</code></em>);</pre>
<p>Checks if <em class="parameter"><code>str</code></em>
is a UUID</p>
<div class="refsect3">
<a name="id-1.2.26.8.41.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>str</p></td>
<td class="parameter_description"><p>a string that might be a UUID</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.26.8.41.6"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> if <em class="parameter"><code>str</code></em>
is a UUID, <code class="literal">FALSE</code> if not</p>
<p></p>
</div>
<p class="since">Since 0.9.8</p>
</div>
</div>
<div class="refsect1">
<a name="libnm-util-nm-utils.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="NMUtilsSecurityType"></a><h3>enum NMUtilsSecurityType</h3>
<p>Describes generic security mechanisms that 802.11 access points may offer.
Used with <a class="link" href="libnm-util-nm-utils.html#nm-utils-security-valid" title="nm_utils_security_valid ()"><code class="function">nm_utils_security_valid()</code></a> for checking whether a given access
point is compatible with a network device.</p>
<div class="refsect3">
<a name="id-1.2.26.9.2.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="NMU-SEC-INVALID:CAPS"></a>NMU_SEC_INVALID</p></td>
<td class="enum_member_description">
<p>unknown or invalid security, placeholder and not used</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="NMU-SEC-NONE:CAPS"></a>NMU_SEC_NONE</p></td>
<td class="enum_member_description">
<p>unencrypted and open</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="NMU-SEC-STATIC-WEP:CAPS"></a>NMU_SEC_STATIC_WEP</p></td>
<td class="enum_member_description">
<p>static WEP keys are used for encryption</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="NMU-SEC-LEAP:CAPS"></a>NMU_SEC_LEAP</p></td>
<td class="enum_member_description">
<p>Cisco LEAP is used for authentication and for generating the
dynamic WEP keys automatically</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="NMU-SEC-DYNAMIC-WEP:CAPS"></a>NMU_SEC_DYNAMIC_WEP</p></td>
<td class="enum_member_description">
<p>standard 802.1x is used for authentication and
generating the dynamic WEP keys automatically</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="NMU-SEC-WPA-PSK:CAPS"></a>NMU_SEC_WPA_PSK</p></td>
<td class="enum_member_description">
<p>WPA1 is used with Pre-Shared Keys (PSK)</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="NMU-SEC-WPA-ENTERPRISE:CAPS"></a>NMU_SEC_WPA_ENTERPRISE</p></td>
<td class="enum_member_description">
<p>WPA1 is used with 802.1x authentication</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="NMU-SEC-WPA2-PSK:CAPS"></a>NMU_SEC_WPA2_PSK</p></td>
<td class="enum_member_description">
<p>WPA2/RSN is used with Pre-Shared Keys (PSK)</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="NMU-SEC-WPA2-ENTERPRISE:CAPS"></a>NMU_SEC_WPA2_ENTERPRISE</p></td>
<td class="enum_member_description">
<p>WPA2 is used with 802.1x authentication</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="NM-UTILS-HWADDR-LEN-MAX:CAPS"></a><h3>NM_UTILS_HWADDR_LEN_MAX</h3>
<pre class="programlisting">#define NM_UTILS_HWADDR_LEN_MAX 20 /* INFINIBAND_ALEN */
</pre>
<p>The maximum length of a hardware address of a type known by
<a class="link" href="libnm-util-nm-utils.html#nm-utils-hwaddr-len" title="nm_utils_hwaddr_len ()"><code class="function">nm_utils_hwaddr_len()</code></a> or <a class="link" href="libnm-util-nm-utils.html#nm-utils-hwaddr-aton" title="nm_utils_hwaddr_aton ()"><code class="function">nm_utils_hwaddr_aton()</code></a>. This can be used
as the size of the buffer passed to <a class="link" href="libnm-util-nm-utils.html#nm-utils-hwaddr-aton" title="nm_utils_hwaddr_aton ()"><code class="function">nm_utils_hwaddr_aton()</code></a>.</p>
</div>
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