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authorSteve Langasek <steve.langasek@ubuntu.com>2019-01-03 16:26:05 -0800
committerSteve Langasek <steve.langasek@ubuntu.com>2019-01-03 17:26:38 -0800
commit9c52e721044e7501c3d4567b36d222dc7326224a (patch)
tree9011790770130c60a712a6f125ad50d60e07cc74 /modules/pam_mail
parent9727ff2a3fa0e94a42b34a579027bacf4146d571 (diff)
parent186ff16e8d12ff15d518000c17f115ccab5275a4 (diff)
New upstream version 1.0.1
Diffstat (limited to 'modules/pam_mail')
-rw-r--r--modules/pam_mail/Makefile.am31
-rw-r--r--modules/pam_mail/Makefile.in667
-rw-r--r--modules/pam_mail/README71
-rw-r--r--modules/pam_mail/README.xml41
-rw-r--r--modules/pam_mail/pam_mail.8139
-rw-r--r--modules/pam_mail/pam_mail.8.xml279
-rw-r--r--modules/pam_mail/pam_mail.c489
-rwxr-xr-xmodules/pam_mail/tst-pam_mail2
8 files changed, 1719 insertions, 0 deletions
diff --git a/modules/pam_mail/Makefile.am b/modules/pam_mail/Makefile.am
new file mode 100644
index 00000000..0b5d2d70
--- /dev/null
+++ b/modules/pam_mail/Makefile.am
@@ -0,0 +1,31 @@
+#
+# Copyright (c) 2005, 2006 Thorsten Kukuk <kukuk@suse.de>
+#
+
+CLEANFILES = *~
+
+EXTRA_DIST = README $(MANS) $(XMLS) tst-pam_mail
+
+man_MANS = pam_mail.8
+XMLS = README.xml pam_mail.8.xml
+
+TESTS = tst-pam_mail
+
+securelibdir = $(SECUREDIR)
+secureconfdir = $(SCONFIGDIR)
+
+AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include
+AM_LDFLAGS = -no-undefined -avoid-version -module
+if HAVE_VERSIONING
+ AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map
+endif
+
+securelib_LTLIBRARIES = pam_mail.la
+pam_mail_la_LIBADD = -L$(top_builddir)/libpam -lpam
+
+if ENABLE_REGENERATE_MAN
+noinst_DATA = README
+README: pam_mail.8.xml
+-include $(top_srcdir)/Make.xml.rules
+endif
+
diff --git a/modules/pam_mail/Makefile.in b/modules/pam_mail/Makefile.in
new file mode 100644
index 00000000..22e6c9ce
--- /dev/null
+++ b/modules/pam_mail/Makefile.in
@@ -0,0 +1,667 @@
+# Makefile.in generated by automake 1.10.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+#
+# Copyright (c) 2005, 2006 Thorsten Kukuk <kukuk@suse.de>
+#
+
+
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+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+@HAVE_VERSIONING_TRUE@am__append_1 = -Wl,--version-script=$(srcdir)/../modules.map
+subdir = modules/pam_mail
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+pam_mail_la_SOURCES = pam_mail.c
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+ $(LDFLAGS) -o $@
+SOURCES = pam_mail.c
+DIST_SOURCES = pam_mail.c
+man8dir = $(mandir)/man8
+NROFF = nroff
+MANS = $(man_MANS)
+DATA = $(noinst_DATA)
+ETAGS = etags
+CTAGS = ctags
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
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+FO2PDF = @FO2PDF@
+GMSGFMT = @GMSGFMT@
+GMSGFMT_015 = @GMSGFMT_015@
+GREP = @GREP@
+HAVE_KEY_MANAGEMENT = @HAVE_KEY_MANAGEMENT@
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
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+LIBPRELUDE_CONFIG = @LIBPRELUDE_CONFIG@
+LIBPRELUDE_CONFIG_PREFIX = @LIBPRELUDE_CONFIG_PREFIX@
+LIBPRELUDE_LDFLAGS = @LIBPRELUDE_LDFLAGS@
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+LTLIBOBJS = @LTLIBOBJS@
+MAKEINFO = @MAKEINFO@
+MKDIR_P = @MKDIR_P@
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+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PAM_READ_BOTH_CONFS = @PAM_READ_BOTH_CONFS@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+PIE_CFLAGS = @PIE_CFLAGS@
+PIE_LDFLAGS = @PIE_LDFLAGS@
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+STRIP = @STRIP@
+USE_NLS = @USE_NLS@
+VERSION = @VERSION@
+WITH_DEBUG = @WITH_DEBUG@
+WITH_PAMLOCKING = @WITH_PAMLOCKING@
+XGETTEXT = @XGETTEXT@
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+XMLS = README.xml pam_mail.8.xml
+TESTS = tst-pam_mail
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+ echo "rm -f \"$${dir}/so_locations\""; \
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+ done
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+ $(LINK) -rpath $(securelibdir) $(pam_mail_la_OBJECTS) $(pam_mail_la_LIBADD) $(LIBS)
+
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+distclean-tags:
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+ if test "$$failed" -ne 0 && test -n "$(PACKAGE_BUGREPORT)"; then \
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+
+@ENABLE_REGENERATE_MAN_TRUE@README: pam_mail.8.xml
+@ENABLE_REGENERATE_MAN_TRUE@-include $(top_srcdir)/Make.xml.rules
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/modules/pam_mail/README b/modules/pam_mail/README
new file mode 100644
index 00000000..a0a0b7d9
--- /dev/null
+++ b/modules/pam_mail/README
@@ -0,0 +1,71 @@
+pam_mail — Inform about available mail
+
+━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+
+DESCRIPTION
+
+The pam_mail PAM module provides the "you have new mail" service to the user.
+It can be plugged into any application that has credential or session hooks. It
+gives a single message indicating the newness of any mail it finds in the
+user's mail folder. This module also sets the PAM environment variable, MAIL,
+to the user's mail directory.
+
+If the mail spool file (be it /var/mail/$USER or a pathname given with the dir=
+parameter) is a directory then pam_mail assumes it is in the Maildir format.
+
+OPTIONS
+
+close
+
+ Indicate if the user has any mail also on logout.
+
+debug
+
+ Print debug information.
+
+dir=maildir
+
+ Look for the users' mail in an alternative location defined by maildir/
+ <login>. The default location for mail is /var/mail/<login>. Note, if the
+ supplied maildir is prefixed by a '~', the directory is interpreted as
+ indicating a file in the user's home directory.
+
+empty
+
+ Also print message if user has no mail.
+
+hash=count
+
+ Mail directory hash depth. For example, a hashcount of 2 would make the
+ mail file be /var/spool/mail/u/s/user.
+
+noenv
+
+ Do not set the MAIL environment variable.
+
+nopen
+
+ Don't print any mail information on login. This flag is useful to get the
+ MAIL environment variable set, but to not display any information about it.
+
+quiet
+
+ Only report when there is new mail.
+
+standard
+
+ Old style "You have..." format which doesn't show the mail spool being
+ used. This also implies "empty".
+
+EXAMPLES
+
+Add the following line to /etc/pam.d/login to indicate that the user has new
+mail when they login to the system.
+
+session optional pam_mail.so standard
+
+
+AUTHOR
+
+pam_mail was written by Andrew G. Morgan <morgan@kernel.org>.
+
diff --git a/modules/pam_mail/README.xml b/modules/pam_mail/README.xml
new file mode 100644
index 00000000..4165d857
--- /dev/null
+++ b/modules/pam_mail/README.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding='UTF-8'?>
+<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
+"http://www.docbook.org/xml/4.3/docbookx.dtd"
+[
+<!--
+<!ENTITY pamaccess SYSTEM "pam_mail.8.xml">
+-->
+]>
+
+<article>
+
+ <articleinfo>
+
+ <title>
+ <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
+ href="pam_mail.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_mail-name"]/*)'/>
+ </title>
+
+ </articleinfo>
+
+ <section>
+ <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
+ href="pam_mail.8.xml" xpointer='xpointer(//refsect1[@id = "pam_mail-description"]/*)'/>
+ </section>
+
+ <section>
+ <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
+ href="pam_mail.8.xml" xpointer='xpointer(//refsect1[@id = "pam_mail-options"]/*)'/>
+ </section>
+
+ <section>
+ <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
+ href="pam_mail.8.xml" xpointer='xpointer(//refsect1[@id = "pam_mail-examples"]/*)'/>
+ </section>
+
+ <section>
+ <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
+ href="pam_mail.8.xml" xpointer='xpointer(//refsect1[@id = "pam_mail-author"]/*)'/>
+ </section>
+
+</article>
diff --git a/modules/pam_mail/pam_mail.8 b/modules/pam_mail/pam_mail.8
new file mode 100644
index 00000000..0d067894
--- /dev/null
+++ b/modules/pam_mail/pam_mail.8
@@ -0,0 +1,139 @@
+.\" Title: pam_mail
+.\" Author:
+.\" Generator: DocBook XSL Stylesheets v1.73.1 <http://docbook.sf.net/>
+.\" Date: 04/16/2008
+.\" Manual: Linux-PAM Manual
+.\" Source: Linux-PAM Manual
+.\"
+.TH "PAM_MAIL" "8" "04/16/2008" "Linux-PAM Manual" "Linux\-PAM Manual"
+.\" disable hyphenation
+.nh
+.\" disable justification (adjust text to left margin only)
+.ad l
+.SH "NAME"
+pam_mail - Inform about available mail
+.SH "SYNOPSIS"
+.HP 12
+\fBpam_mail\.so\fR [close] [debug] [dir=\fImaildir\fR] [empty] [hash=\fIcount\fR] [noenv] [nopen] [quit] [standard]
+.SH "DESCRIPTION"
+.PP
+The pam_mail PAM module provides the "you have new mail" service to the user\. It can be plugged into any application that has credential or session hooks\. It gives a single message indicating the
+\fInewness\fR
+of any mail it finds in the user\'s mail folder\. This module also sets the PAM environment variable,
+\fBMAIL\fR, to the user\'s mail directory\.
+.PP
+If the mail spool file (be it
+\fI/var/mail/$USER\fR
+or a pathname given with the
+\fBdir=\fR
+parameter) is a directory then pam_mail assumes it is in the
+\fIMaildir\fR
+format\.
+.SH "OPTIONS"
+.PP
+.PP
+\fBclose\fR
+.RS 4
+Indicate if the user has any mail also on logout\.
+.RE
+.PP
+\fBdebug\fR
+.RS 4
+Print debug information\.
+.RE
+.PP
+\fBdir=\fR\fB\fImaildir\fR\fR
+.RS 4
+Look for the users\' mail in an alternative location defined by
+\fImaildir/<login>\fR\. The default location for mail is
+\fI/var/mail/<login>\fR\. Note, if the supplied
+\fImaildir\fR
+is prefixed by a \'~\', the directory is interpreted as indicating a file in the user\'s home directory\.
+.RE
+.PP
+\fBempty\fR
+.RS 4
+Also print message if user has no mail\.
+.RE
+.PP
+\fBhash=\fR\fB\fIcount\fR\fR
+.RS 4
+Mail directory hash depth\. For example, a
+\fIhashcount\fR
+of 2 would make the mail file be
+\fI/var/spool/mail/u/s/user\fR\.
+.RE
+.PP
+\fBnoenv\fR
+.RS 4
+Do not set the
+\fBMAIL\fR
+environment variable\.
+.RE
+.PP
+\fBnopen\fR
+.RS 4
+Don\'t print any mail information on login\. This flag is useful to get the
+\fBMAIL\fR
+environment variable set, but to not display any information about it\.
+.RE
+.PP
+\fBquiet\fR
+.RS 4
+Only report when there is new mail\.
+.RE
+.PP
+\fBstandard\fR
+.RS 4
+Old style "You have\.\.\." format which doesn\'t show the mail spool being used\. This also implies "empty"\.
+.RE
+.SH "MODULE SERVICES PROVIDED"
+.PP
+The
+\fBauth\fR
+and
+\fBaccount\fR
+services are supported\.
+.SH "RETURN VALUES"
+.PP
+PAM_BUF_ERR
+.RS 4
+Memory buffer error\.
+.RE
+.PP
+PAM_SERVICE_ERR
+.RS 4
+Badly formed arguments\.
+.RE
+.PP
+PAM_SUCCESS
+.RS 4
+Success\.
+.RE
+.PP
+PAM_USER_UNKNOWN
+.RS 4
+User not known\.
+.RE
+.SH "EXAMPLES"
+.PP
+Add the following line to
+\fI/etc/pam\.d/login\fR
+to indicate that the user has new mail when they login to the system\.
+.sp
+.RS 4
+.nf
+session optional pam_mail\.so standard
+
+.fi
+.RE
+.sp
+.SH "SEE ALSO"
+.PP
+
+\fBpam.conf\fR(5),
+\fBpam.d\fR(8),
+\fBpam\fR(8)
+.SH "AUTHOR"
+.PP
+pam_mail was written by Andrew G\. Morgan <morgan@kernel\.org>\.
diff --git a/modules/pam_mail/pam_mail.8.xml b/modules/pam_mail/pam_mail.8.xml
new file mode 100644
index 00000000..d3c481a5
--- /dev/null
+++ b/modules/pam_mail/pam_mail.8.xml
@@ -0,0 +1,279 @@
+<?xml version="1.0" encoding='UTF-8'?>
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
+ "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd">
+
+<refentry id="pam_mail">
+
+ <refmeta>
+ <refentrytitle>pam_mail</refentrytitle>
+ <manvolnum>8</manvolnum>
+ <refmiscinfo class="sectdesc">Linux-PAM Manual</refmiscinfo>
+ </refmeta>
+
+ <refnamediv id="pam_mail-name">
+ <refname>pam_mail</refname>
+ <refpurpose>Inform about available mail</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <cmdsynopsis id="pam_mail-cmdsynopsis">
+ <command>pam_mail.so</command>
+ <arg choice="opt">
+ close
+ </arg>
+ <arg choice="opt">
+ debug
+ </arg>
+ <arg choice="opt">
+ dir=<replaceable>maildir</replaceable>
+ </arg>
+ <arg choice="opt">
+ empty
+ </arg>
+ <arg choice="opt">
+ hash=<replaceable>count</replaceable>
+ </arg>
+ <arg choice="opt">
+ noenv
+ </arg>
+ <arg choice="opt">
+ nopen
+ </arg>
+ <arg choice="opt">
+ quit
+ </arg>
+ <arg choice="opt">
+ standard
+ </arg>
+ </cmdsynopsis>
+ </refsynopsisdiv>
+
+ <refsect1 id="pam_mail-description">
+
+ <title>DESCRIPTION</title>
+
+ <para>
+ The pam_mail PAM module provides the "you have new mail"
+ service to the user. It can be plugged into any application
+ that has credential or session hooks. It gives a single message
+ indicating the <emphasis>newness</emphasis> of any mail it finds
+ in the user's mail folder. This module also sets the PAM
+ environment variable, <emphasis remap='B'>MAIL</emphasis>, to the
+ user's mail directory.
+ </para>
+ <para>
+ If the mail spool file (be it <filename>/var/mail/$USER</filename>
+ or a pathname given with the <option>dir=</option> parameter) is
+ a directory then pam_mail assumes it is in the
+ <emphasis remap='I'>Maildir</emphasis> format.
+ </para>
+ </refsect1>
+
+ <refsect1 id="pam_mail-options">
+
+ <title>OPTIONS</title>
+ <para>
+ <variablelist>
+
+ <varlistentry>
+ <term>
+ <option>close</option>
+ </term>
+ <listitem>
+ <para>
+ Indicate if the user has any mail also on logout.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <option>debug</option>
+ </term>
+ <listitem>
+ <para>
+ Print debug information.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <option>dir=<replaceable>maildir</replaceable></option>
+ </term>
+ <listitem>
+ <para>
+ Look for the users' mail in an alternative location defined by
+ <filename>maildir/&lt;login&gt;</filename>. The default
+ location for mail is <filename>/var/mail/&lt;login&gt;</filename>.
+ Note, if the supplied
+ <filename>maildir</filename> is prefixed by a '~', the
+ directory is interpreted as indicating a file in the user's
+ home directory.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <option>empty</option>
+ </term>
+ <listitem>
+ <para>
+ Also print message if user has no mail.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <option>hash=<replaceable>count</replaceable></option>
+ </term>
+ <listitem>
+ <para>
+ Mail directory hash depth. For example, a
+ <emphasis>hashcount</emphasis> of 2 would
+ make the mail file be
+ <filename>/var/spool/mail/u/s/user</filename>.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <option>noenv</option>
+ </term>
+ <listitem>
+ <para>
+ Do not set the <emphasis remap='B'>MAIL</emphasis>
+ environment variable.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <option>nopen</option>
+ </term>
+ <listitem>
+ <para>
+ Don't print any mail information on login. This flag is
+ useful to get the <emphasis remap='B'>MAIL</emphasis>
+ environment variable set, but to not display any information
+ about it.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <option>quiet</option>
+ </term>
+ <listitem>
+ <para>
+ Only report when there is new mail.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <option>standard</option>
+ </term>
+ <listitem>
+ <para>
+ Old style "You have..." format which doesn't show the
+ mail spool being used. This also implies "empty".
+ </para>
+ </listitem>
+ </varlistentry>
+
+ </variablelist>
+
+ </para>
+ </refsect1>
+
+ <refsect1 id="pam_mail-services">
+ <title>MODULE SERVICES PROVIDED</title>
+ <para>
+ The <emphasis remap='B'>auth</emphasis> and
+ <emphasis remap='B'>account</emphasis> services are supported.
+ </para>
+ </refsect1>
+
+ <refsect1 id='pam_mail-return_values'>
+ <title>RETURN VALUES</title>
+ <variablelist>
+ <varlistentry>
+ <term>PAM_BUF_ERR</term>
+ <listitem>
+ <para>
+ Memory buffer error.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>PAM_SERVICE_ERR</term>
+ <listitem>
+ <para>
+ Badly formed arguments.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>PAM_SUCCESS</term>
+ <listitem>
+ <para>
+ Success.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>PAM_USER_UNKNOWN</term>
+ <listitem>
+ <para>
+ User not known.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ </variablelist>
+ </refsect1>
+
+ <refsect1 id='pam_mail-examples'>
+ <title>EXAMPLES</title>
+ <para>
+ Add the following line to <filename>/etc/pam.d/login</filename> to
+ indicate that the user has new mail when they login to the system.
+ <programlisting>
+session optional pam_mail.so standard
+ </programlisting>
+ </para>
+ </refsect1>
+
+ <refsect1 id='pam_mail-see_also'>
+ <title>SEE ALSO</title>
+ <para>
+ <citerefentry>
+ <refentrytitle>pam.conf</refentrytitle><manvolnum>5</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>pam.d</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>pam</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>
+ </para>
+ </refsect1>
+
+ <refsect1 id='pam_mail-author'>
+ <title>AUTHOR</title>
+ <para>
+ pam_mail was written by Andrew G. Morgan &lt;morgan@kernel.org&gt;.
+ </para>
+ </refsect1>
+
+</refentry>
diff --git a/modules/pam_mail/pam_mail.c b/modules/pam_mail/pam_mail.c
new file mode 100644
index 00000000..46395b53
--- /dev/null
+++ b/modules/pam_mail/pam_mail.c
@@ -0,0 +1,489 @@
+/* pam_mail module */
+
+/*
+ * Written by Andrew Morgan <morgan@linux.kernel.org> 1996/3/11
+ * $HOME additions by David Kinchlea <kinch@kinch.ark.com> 1997/1/7
+ * mailhash additions by Chris Adams <cadams@ro.com> 1998/7/11
+ */
+
+#include "config.h"
+
+#include <ctype.h>
+#include <pwd.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <syslog.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <errno.h>
+
+#ifdef HAVE_PATHS_H
+#include <paths.h>
+#endif
+
+#define DEFAULT_MAIL_DIRECTORY PAM_PATH_MAILDIR
+#define MAIL_FILE_FORMAT "%s%s/%s"
+#define MAIL_ENV_NAME "MAIL"
+#define MAIL_ENV_FORMAT MAIL_ENV_NAME "=%s"
+
+/*
+ * here, we make a definition for the externally accessible function
+ * in this file (this definition is required for static a module
+ * but strongly encouraged generally) it is used to instruct the
+ * modules include file to define the function prototypes.
+ */
+
+#define PAM_SM_SESSION
+#define PAM_SM_AUTH
+
+#include <security/pam_modules.h>
+#include <security/_pam_macros.h>
+#include <security/pam_modutil.h>
+#include <security/pam_ext.h>
+
+/* argument parsing */
+
+#define PAM_DEBUG_ARG 0x0001
+#define PAM_NO_LOGIN 0x0002
+#define PAM_LOGOUT_TOO 0x0004
+#define PAM_NEW_MAIL_DIR 0x0010
+#define PAM_MAIL_SILENT 0x0020
+#define PAM_NO_ENV 0x0040
+#define PAM_HOME_MAIL 0x0100
+#define PAM_EMPTY_TOO 0x0200
+#define PAM_STANDARD_MAIL 0x0400
+#define PAM_QUIET_MAIL 0x1000
+
+#define HAVE_NEW_MAIL 0x1
+#define HAVE_OLD_MAIL 0x2
+#define HAVE_NO_MAIL 0x3
+#define HAVE_MAIL 0x4
+
+static int
+_pam_parse (const pam_handle_t *pamh, int flags, int argc,
+ const char **argv, const char **maildir, size_t *hashcount)
+{
+ int ctrl=0;
+
+ if (flags & PAM_SILENT) {
+ ctrl |= PAM_MAIL_SILENT;
+ }
+
+ *hashcount = 0;
+
+ /* step through arguments */
+ for (; argc-- > 0; ++argv) {
+
+ /* generic options */
+
+ if (!strcmp(*argv,"debug"))
+ ctrl |= PAM_DEBUG_ARG;
+ else if (!strcmp(*argv,"quiet"))
+ ctrl |= PAM_QUIET_MAIL;
+ else if (!strcmp(*argv,"standard"))
+ ctrl |= PAM_STANDARD_MAIL | PAM_EMPTY_TOO;
+ else if (!strncmp(*argv,"dir=",4)) {
+ *maildir = 4 + *argv;
+ if (**maildir != '\0') {
+ D(("new mail directory: %s", *maildir));
+ ctrl |= PAM_NEW_MAIL_DIR;
+ } else {
+ pam_syslog(pamh, LOG_ERR,
+ "dir= specification missing argument - ignored");
+ }
+ } else if (!strncmp(*argv,"hash=",5)) {
+ char *ep = NULL;
+ *hashcount = strtoul(*argv+5,&ep,10);
+ if (!ep) {
+ *hashcount = 0;
+ }
+ } else if (!strcmp(*argv,"close")) {
+ ctrl |= PAM_LOGOUT_TOO;
+ } else if (!strcmp(*argv,"nopen")) {
+ ctrl |= PAM_NO_LOGIN;
+ } else if (!strcmp(*argv,"noenv")) {
+ ctrl |= PAM_NO_ENV;
+ } else if (!strcmp(*argv,"empty")) {
+ ctrl |= PAM_EMPTY_TOO;
+ } else {
+ pam_syslog(pamh, LOG_ERR, "unknown option: %s", *argv);
+ }
+ }
+
+ if ((*hashcount != 0) && !(ctrl & PAM_NEW_MAIL_DIR)) {
+ *maildir = DEFAULT_MAIL_DIRECTORY;
+ ctrl |= PAM_NEW_MAIL_DIR;
+ }
+
+ return ctrl;
+}
+
+static int
+get_folder(pam_handle_t *pamh, int ctrl,
+ const char *path_mail, char **folder_p, size_t hashcount)
+{
+ int retval;
+ const char *user, *path;
+ char *folder = NULL;
+ const struct passwd *pwd = NULL;
+
+ retval = pam_get_user(pamh, &user, NULL);
+ if (retval != PAM_SUCCESS || user == NULL) {
+ pam_syslog(pamh, LOG_ERR, "cannot determine username");
+ retval = PAM_USER_UNKNOWN;
+ goto get_folder_cleanup;
+ }
+
+ if (ctrl & PAM_NEW_MAIL_DIR) {
+ path = path_mail;
+ if (*path == '~') { /* support for $HOME delivery */
+ pwd = pam_modutil_getpwnam(pamh, user);
+ if (pwd == NULL) {
+ pam_syslog(pamh, LOG_ERR, "user unknown");
+ retval = PAM_USER_UNKNOWN;
+ goto get_folder_cleanup;
+ }
+ /*
+ * "~/xxx" and "~xxx" are treated as same
+ */
+ if (!*++path || (*path == '/' && !*++path)) {
+ pam_syslog(pamh, LOG_ERR,
+ "badly formed mail path [%s]", path_mail);
+ retval = PAM_SERVICE_ERR;
+ goto get_folder_cleanup;
+ }
+ ctrl |= PAM_HOME_MAIL;
+ if (hashcount != 0) {
+ pam_syslog(pamh, LOG_ERR,
+ "cannot do hash= and home directory mail");
+ }
+ }
+ } else {
+ path = DEFAULT_MAIL_DIRECTORY;
+ }
+
+ /* put folder together */
+
+ hashcount = hashcount < strlen(user) ? hashcount : strlen(user);
+
+ retval = PAM_BUF_ERR;
+ if (ctrl & PAM_HOME_MAIL) {
+ if (pwd == NULL) {
+ pwd = pam_modutil_getpwnam(pamh, user);
+ if (pwd == NULL) {
+ pam_syslog(pamh, LOG_ERR, "user unknown");
+ retval = PAM_USER_UNKNOWN;
+ goto get_folder_cleanup;
+ }
+ }
+ if (asprintf(&folder, MAIL_FILE_FORMAT, pwd->pw_dir, "", path) < 0)
+ goto get_folder_cleanup;
+ } else {
+ int rc;
+ size_t i;
+ char *hash;
+
+ if ((hash = malloc(2 * hashcount + 1)) == NULL)
+ goto get_folder_cleanup;
+
+ for (i = 0; i < hashcount; i++) {
+ hash[2 * i] = '/';
+ hash[2 * i + 1] = user[i];
+ }
+ hash[2 * i] = '\0';
+
+ rc = asprintf(&folder, MAIL_FILE_FORMAT, path, hash, user);
+ _pam_overwrite(hash);
+ _pam_drop(hash);
+ if (rc < 0)
+ goto get_folder_cleanup;
+ }
+ D(("folder=[%s]", folder));
+ retval = PAM_SUCCESS;
+
+ /* tidy up */
+
+ get_folder_cleanup:
+ user = NULL;
+ path = NULL;
+
+ *folder_p = folder;
+ folder = NULL;
+
+ if (retval == PAM_BUF_ERR)
+ pam_syslog(pamh, LOG_CRIT, "out of memory for mail folder");
+
+ return retval;
+}
+
+static int
+get_mail_status(pam_handle_t *pamh, int ctrl, const char *folder)
+{
+ int type = 0;
+ struct stat mail_st;
+
+ if (stat(folder, &mail_st) < 0)
+ return 0;
+
+ if (S_ISDIR(mail_st.st_mode)) { /* Assume Maildir format */
+ int i, save_errno;
+ char *dir;
+ struct dirent **namelist;
+
+ if (asprintf(&dir, "%s/new", folder) < 0) {
+ pam_syslog(pamh, LOG_CRIT, "out of memory");
+ goto get_mail_status_cleanup;
+ }
+ i = scandir(dir, &namelist, 0, alphasort);
+ save_errno = errno;
+ _pam_overwrite(dir);
+ _pam_drop(dir);
+ if (i < 0) {
+ type = 0;
+ namelist = NULL;
+ if (save_errno == ENOMEM) {
+ pam_syslog(pamh, LOG_CRIT, "out of memory");
+ goto get_mail_status_cleanup;
+ }
+ }
+ type = (i > 2) ? HAVE_NEW_MAIL : 0;
+ while (--i >= 0)
+ _pam_drop(namelist[i]);
+ _pam_drop(namelist);
+ if (type == 0) {
+ if (asprintf(&dir, "%s/cur", folder) < 0) {
+ pam_syslog(pamh, LOG_CRIT, "out of memory");
+ goto get_mail_status_cleanup;
+ }
+ i = scandir(dir, &namelist, 0, alphasort);
+ save_errno = errno;
+ _pam_overwrite(dir);
+ _pam_drop(dir);
+ if (i < 0) {
+ type = 0;
+ namelist = NULL;
+ if (save_errno == ENOMEM) {
+ pam_syslog(pamh, LOG_CRIT, "out of memory");
+ goto get_mail_status_cleanup;
+ }
+ }
+ if (i > 2)
+ type = HAVE_OLD_MAIL;
+ else
+ type = (ctrl & PAM_EMPTY_TOO) ? HAVE_NO_MAIL : 0;
+ while (--i >= 0)
+ _pam_drop(namelist[i]);
+ _pam_drop(namelist);
+ }
+ } else {
+ if (mail_st.st_size > 0) {
+ if (mail_st.st_atime < mail_st.st_mtime) /* new */
+ type = HAVE_NEW_MAIL;
+ else /* old */
+ type = (ctrl & PAM_STANDARD_MAIL) ? HAVE_MAIL : HAVE_OLD_MAIL;
+ } else if (ctrl & PAM_EMPTY_TOO) {
+ type = HAVE_NO_MAIL;
+ } else {
+ type = 0;
+ }
+ }
+
+ get_mail_status_cleanup:
+ memset(&mail_st, 0, sizeof(mail_st));
+ D(("user has %d mail in %s folder", type, folder));
+ return type;
+}
+
+static int
+report_mail(pam_handle_t *pamh, int ctrl, int type, const char *folder)
+{
+ int retval;
+
+ if (!(ctrl & PAM_MAIL_SILENT) ||
+ ((ctrl & PAM_QUIET_MAIL) && type == HAVE_NEW_MAIL))
+ {
+ if (ctrl & PAM_STANDARD_MAIL)
+ switch (type)
+ {
+ case HAVE_NO_MAIL:
+ retval = pam_info (pamh, "%s", _("No mail."));
+ break;
+ case HAVE_NEW_MAIL:
+ retval = pam_info (pamh, "%s", _("You have new mail."));
+ break;
+ case HAVE_OLD_MAIL:
+ retval = pam_info (pamh, "%s", _("You have old mail."));
+ break;
+ case HAVE_MAIL:
+ default:
+ retval = pam_info (pamh, "%s", _("You have mail."));
+ break;
+ }
+ else
+ switch (type)
+ {
+ case HAVE_NO_MAIL:
+ retval = pam_info (pamh, _("You have no mail in folder %s."),
+ folder);
+ break;
+ case HAVE_NEW_MAIL:
+ retval = pam_info (pamh, _("You have new mail in folder %s."),
+ folder);
+ break;
+ case HAVE_OLD_MAIL:
+ retval = pam_info (pamh, _("You have old mail in folder %s."),
+ folder);
+ break;
+ case HAVE_MAIL:
+ default:
+ retval = pam_info (pamh, _("You have mail in folder %s."),
+ folder);
+ break;
+ }
+ }
+ else
+ {
+ D(("keeping quiet"));
+ retval = PAM_SUCCESS;
+ }
+
+ D(("returning %s", pam_strerror(pamh, retval)));
+ return retval;
+}
+
+static int _do_mail(pam_handle_t *, int, int, const char **, int);
+
+/* --- authentication functions --- */
+
+PAM_EXTERN int
+pam_sm_authenticate (pam_handle_t *pamh UNUSED, int flags UNUSED,
+ int argc UNUSED, const char **argv UNUSED)
+{
+ return PAM_IGNORE;
+}
+
+/* Checking mail as part of authentication */
+PAM_EXTERN
+int pam_sm_setcred(pam_handle_t *pamh, int flags, int argc,
+ const char **argv)
+{
+ if (!(flags & (PAM_ESTABLISH_CRED|PAM_DELETE_CRED)))
+ return PAM_IGNORE;
+ return _do_mail(pamh,flags,argc,argv,(flags & PAM_ESTABLISH_CRED));
+}
+
+/* --- session management functions --- */
+
+PAM_EXTERN
+int pam_sm_close_session(pam_handle_t *pamh,int flags,int argc
+ ,const char **argv)
+{
+ return _do_mail(pamh,flags,argc,argv,0);
+}
+
+/* Checking mail as part of the session management */
+PAM_EXTERN
+int pam_sm_open_session(pam_handle_t *pamh, int flags, int argc,
+ const char **argv)
+{
+ return _do_mail(pamh,flags,argc,argv,1);
+}
+
+
+/* --- The Beaf (Tm) --- */
+
+static int _do_mail(pam_handle_t *pamh, int flags, int argc,
+ const char **argv, int est)
+{
+ int retval, ctrl, type;
+ size_t hashcount;
+ char *folder = NULL;
+ const char *path_mail = NULL;
+
+ /*
+ * this module (un)sets the MAIL environment variable, and checks if
+ * the user has any new mail.
+ */
+
+ ctrl = _pam_parse(pamh, flags, argc, argv, &path_mail, &hashcount);
+
+ /* which folder? */
+
+ retval = get_folder(pamh, ctrl, path_mail, &folder, hashcount);
+ if (retval != PAM_SUCCESS) {
+ D(("failed to find folder"));
+ return retval;
+ }
+
+ /* set the MAIL variable? */
+
+ if (!(ctrl & PAM_NO_ENV) && est) {
+ char *tmp;
+
+ if (asprintf(&tmp, MAIL_ENV_FORMAT, folder) < 0) {
+ pam_syslog(pamh, LOG_CRIT,
+ "no memory for " MAIL_ENV_NAME " variable");
+ retval = PAM_BUF_ERR;
+ goto do_mail_cleanup;
+ }
+ D(("setting env: %s", tmp));
+ retval = pam_putenv(pamh, tmp);
+ _pam_overwrite(tmp);
+ _pam_drop(tmp);
+ if (retval != PAM_SUCCESS) {
+ pam_syslog(pamh, LOG_CRIT,
+ "unable to set " MAIL_ENV_NAME " variable");
+ retval = PAM_BUF_ERR;
+ goto do_mail_cleanup;
+ }
+ } else {
+ D(("not setting " MAIL_ENV_NAME " variable"));
+ }
+
+ /*
+ * OK. we've got the mail folder... what about its status?
+ */
+
+ if ((est && !(ctrl & PAM_NO_LOGIN))
+ || (!est && (ctrl & PAM_LOGOUT_TOO))) {
+ type = get_mail_status(pamh, ctrl, folder);
+ if (type != 0) {
+ retval = report_mail(pamh, ctrl, type, folder);
+ type = 0;
+ }
+ }
+
+ /* Delete environment variable? */
+ if ( ! est && ! (ctrl & PAM_NO_ENV) )
+ (void) pam_putenv(pamh, MAIL_ENV_NAME);
+
+ do_mail_cleanup:
+ _pam_overwrite(folder);
+ _pam_drop(folder);
+
+ /* indicate success or failure */
+
+ return retval;
+}
+
+#ifdef PAM_STATIC
+
+/* static module data */
+
+struct pam_module _pam_mail_modstruct = {
+ "pam_mail",
+ pam_sm_authenticate,
+ pam_sm_setcred,
+ NULL,
+ pam_sm_open_session,
+ pam_sm_close_session,
+ NULL,
+};
+
+#endif
+
+/* end of module definition */
diff --git a/modules/pam_mail/tst-pam_mail b/modules/pam_mail/tst-pam_mail
new file mode 100755
index 00000000..99fb7ed0
--- /dev/null
+++ b/modules/pam_mail/tst-pam_mail
@@ -0,0 +1,2 @@
+#!/bin/sh
+../../tests/tst-dlopen .libs/pam_mail.so