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Diffstat (limited to 'doc/man/pam_authenticate.3.xml')
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diff --git a/doc/man/pam_authenticate.3.xml b/doc/man/pam_authenticate.3.xml new file mode 100644 index 00000000..8ddc38c9 --- /dev/null +++ b/doc/man/pam_authenticate.3.xml @@ -0,0 +1,169 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN" + "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd"> +<refentry id='pam_authenticate'> + <refmeta> + <refentrytitle>pam_authenticate</refentrytitle> + <manvolnum>3</manvolnum> + <refmiscinfo class='setdesc'>Linux-PAM Manual</refmiscinfo> + </refmeta> + + <refnamediv id="pam_authenticate-name"> + <refname>pam_authenticate</refname> + <refpurpose>account authentication</refpurpose> + </refnamediv> + +<!-- body begins here --> + + <refsynopsisdiv> + <funcsynopsis id='pam_authenticate-synopsis'> + <funcsynopsisinfo>#include <security/pam_appl.h></funcsynopsisinfo> + <funcprototype> + <funcdef>int <function>pam_authenticate</function></funcdef> + <paramdef>pam_handle_t *<parameter>pamh</parameter></paramdef> + <paramdef>int <parameter>flags</parameter></paramdef> + </funcprototype> + </funcsynopsis> + </refsynopsisdiv> + + + <refsect1 id='pam_authenticate-description'> + <title>DESCRIPTION</title> + <para> + The <function>pam_authenticate</function> function is used to + authenticate the user. The user is required to provide an + authentication token depending upon the authentication service, + usually this is a password, but could also be a finger print. + </para> + <para> + The PAM service module may request that the user enter their + username vio the the conversation mechanism (see + <citerefentry> + <refentrytitle>pam_start</refentrytitle><manvolnum>3</manvolnum> + </citerefentry> and + <citerefentry> + <refentrytitle>pam_conv</refentrytitle><manvolnum>3</manvolnum> + </citerefentry>). The name of the authenticated user + will be present in the PAM item PAM_USER. This item may be + recovered with a call to + <citerefentry> + <refentrytitle>pam_get_item</refentrytitle><manvolnum>3</manvolnum> + </citerefentry>. + </para> + <para> + The <emphasis>pamh</emphasis> argument is an authentication + handle obtained by a prior call to pam_start(). + The flags argument is the binary or of zero or more of the + following values: + </para> + <variablelist> + <varlistentry> + <term>PAM_SILENT</term> + <listitem> + <para> + Do not emit any messages. + </para> + </listitem> + </varlistentry> + <varlistentry> + <term>PAM_DISALLOW_NULL_AUTHTOK</term> + <listitem> + <para> + The PAM module service should return PAM_AUTH_ERR + if the user does not have a registered authentication token. + </para> + </listitem> + </varlistentry> + </variablelist> + </refsect1> + + <refsect1 id="pam_authenticate-return_values"> + <title>RETURN VALUES</title> + <variablelist> + <varlistentry> + <term>PAM_ABORT</term> + <listitem> + <para> + The application should exit immediately after calling + <citerefentry> + <refentrytitle>pam_end</refentrytitle><manvolnum>3</manvolnum> + </citerefentry> first. + </para> + </listitem> + </varlistentry> + <varlistentry> + <term>PAM_AUTH_ERR</term> + <listitem> + <para> + The user was not authenticated. + </para> + </listitem> + </varlistentry> + <varlistentry> + <term>PAM_CRED_INSUFFICIENT</term> + <listitem> + <para> + For some reason the application does not have sufficient + credentials to authenticate the user. + </para> + </listitem> + </varlistentry> + <varlistentry> + <term>PAM_AUTHINFO_UNVAIL</term> + <listitem> + <para> + The modules were not able to access the authentication + information. This might be due to a network or hardware + failure etc. + </para> + </listitem> + </varlistentry> + <varlistentry> + <term>PAM_MAXTRIES</term> + <listitem> + <para> + One or more of the authentication modules has reached its + limit of tries authenticating the user. Do not try again. + </para> + </listitem> + </varlistentry> + <varlistentry> + <term>PAM_SUCCESS</term> + <listitem> + <para> + The user was successfully authenticated. + </para> + </listitem> + </varlistentry> + <varlistentry> + <term>PAM_USER_UNKNOWN</term> + <listitem> + <para> + User unknown to authentication service. + </para> + </listitem> + </varlistentry> + </variablelist> + </refsect1> + + <refsect1 id='pam_authenticate-see_also'> + <title>SEE ALSO</title> + <para> + <citerefentry> + <refentrytitle>pam_start</refentrytitle><manvolnum>3</manvolnum> + </citerefentry>, + <citerefentry> + <refentrytitle>pam_setcred</refentrytitle><manvolnum>3</manvolnum> + </citerefentry>, + <citerefentry> + <refentrytitle>pam_chauthtok</refentrytitle><manvolnum>3</manvolnum> + </citerefentry>, + <citerefentry> + <refentrytitle>pam_strerror</refentrytitle><manvolnum>3</manvolnum> + </citerefentry>, + <citerefentry> + <refentrytitle>pam</refentrytitle><manvolnum>8</manvolnum> + </citerefentry> + </para> + </refsect1> +</refentry> |