57 lines
2.1 KiB
XML
57 lines
2.1 KiB
XML
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<?xml version="1.0" encoding='UTF-8'?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
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<sect1 id="func-cygwin-login">
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<title>Helper functions to change user context</title>
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<sect2 id="func-cygwin-logon_user">
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<title>cygwin_logon_user</title>
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<funcsynopsis><funcprototype>
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<funcdef>extern "C" HANDLE
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<function>cygwin_logon_user</function></funcdef>
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<paramdef>const struct passwd *<parameter>passwd_entry</parameter></paramdef>
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<paramdef>const char *<parameter>password</parameter></paramdef>
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</funcprototype></funcsynopsis>
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<para>Given a pointer to a passwd entry of a user and a cleartext password,
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returns a HANDLE to an impersonation token for this user which can be used
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in a subsequent call to <function>cygwin_set_impersonation_token</function>
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to impersonate that user. This function can only be called from a process
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which has the required NT user rights to perform a logon.</para>
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<para>See also the chapter
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<ulink url="../cygwin-ug-net/ntsec.html#ntsec-setuid-overview">Switching the user context</ulink>
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in the Cygwin User's guide.</para>
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<para>See also <link linkend="func-cygwin-set-impersonation-token">cygwin_set_impersonation_token</link></para>
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</sect2>
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<sect2 id="func-cygwin-set-impersonation-token">
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<title>cygwin_set_impersonation_token</title>
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<funcsynopsis><funcprototype>
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<funcdef>extern "C" void
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<function>cygwin_set_impersonation_token</function></funcdef>
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<paramdef>const HANDLE <parameter>token</parameter></paramdef>
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</funcprototype></funcsynopsis>
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<para>Use this function to enable the token given as parameter as
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impersonation token for the next call to <function>setuid</function> or
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<function>seteuid</function>. Use
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<function>cygwin_set_impersonation_token</function> together with
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<function>cygwin_logon_user</function> to impersonate users using
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password authentication.</para>
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<para>See also the chapter
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<ulink url="../cygwin-ug-net/ntsec.html#ntsec-setuid-overview">Switching the user context</ulink>
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in the Cygwin User's guide.</para>
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<para>See also <link linkend="func-cygwin-logon_user">cygwin_logon_user</link></para>
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</sect2>
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</sect1>
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