PAM Library

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Download Source: ftp://ftp.kernel.org/pub/linux/libs/pam/pre/library/Linux-PAM-1.1.3.tar.bz2
Required Patch: http://svn.cross-lfs.org/svn/repos/patches/Linux-PAM/Linux-PAM-0.99.7.1-pam_console-1.patch

Introduction to PAM Library

The PAM Library package contains Pluggable Authentication Modules. This is useful for enabling the local system administrator to choose how applications authenticate users.

RedHat develops a set of external modules for use with Linux-PAM. This includes the pam_console module which can be used by some programs such as HAL and gnome-volume-manager. The purpose of pam_console is to indicate which user is active at the console and take appropriate actions. It does this by listing active users in the /var/run/console directory and assigning one to the console.lock file.

Project Homepage: http://www.kernel.org/pub/linux/libs/pam/

Dependencies

Optional

Caution.png

Note

Autoconf-2.60 or greater is required to execute the following instructions. Build instructions for an acceptable version of Autoconf may be found in the development version of CLFS.

Non-Multilib

Configure and compile the package: 

patch -Np1 -i ../Linux-PAM-1.1.3-pam_console-1.patch &&
autoreconf -v &&
./configure --libdir=/usr/lib --sbindir=/lib/security \
           --enable-securedir=/lib/security \
           --enable-docdir=/usr/share/doc/Linux-PAM-1.1.3 \
           --enable-read-both-confs &&
make

Install the package: 

make install &&
chmod -v 4755 /lib/security/unix_chkpwd &&
mv -v /lib/security/pam_tally /sbin &&
mv -v /usr/lib/libpam*.so.0* /lib &&
LIBNAME=$(cat libpam/libpam.la | grep library_names | cut -f2 -d"'" | cut -f1 -d" ") &&
ln -sf ../../lib/$LIBNAME /usr/lib/libpam.so &&
LIBNAME=$(cat libpamc/libpamc.la | grep library_names | cut -f2 -d"'" | cut -f1 -d" ") &&
ln -sf ../../lib/$LIBNAME /usr/lib/libpamc.so &&
LIBNAME=$(cat libpam_misc/libpam_misc.la | grep library_names | cut -f2 -d"'" | cut -f1 -d" ") &&
ln -sf ../../lib/$LIBNAME /usr/lib/libpam_misc.so


Multilib

32Bit

Configure and compile the package: 

patch -Np1 -i ../Linux-PAM-1.1.3-pam_console-1.patch &&
autoreconf -v &&
CC="gcc ${BUILD32}" ./configure --libdir=/usr/lib --sbindir=/lib/security \
           --enable-securedir=/lib/security \
           --enable-docdir=/usr/share/doc/Linux-PAM-1.1.3 \
           --enable-read-both-confs &&
make

Install the package: 

make install &&
chmod -v 4755 /lib/security/unix_chkpwd &&
mv -v /lib/security/pam_tally /sbin &&
mv -v /usr/lib/libpam*.so.0* /lib &&
LIBNAME=$(cat libpam/libpam.la | grep library_names | cut -f2 -d"'" | cut -f1 -d" ") &&
ln -sf ../../lib/$LIBNAME /usr/lib/libpam.so &&
LIBNAME=$(cat libpamc/libpamc.la | grep library_names | cut -f2 -d"'" | cut -f1 -d" ") &&
ln -sf ../../lib/$LIBNAME /usr/lib/libpamc.so &&
LIBNAME=$(cat libpam_misc/libpam_misc.la | grep library_names | cut -f2 -d"'" | cut -f1 -d" ") &&
ln -sf ../../lib/$LIBNAME /usr/lib/libpam_misc.so

N32

Configure and compile the package: 

patch -Np1 -i ../Linux-PAM-1.1.3-pam_console-1.patch &&
autoreconf -v &&
CC="gcc ${BUILDN32}" ./configure --libdir=/usr/lib32 --sbindir=/lib32/security \
           --enable-securedir=/lib32/security \
           --enable-docdir=/usr/share/doc/Linux-PAM-1.1.3 \
           --enable-read-both-confs &&
make

Install the package: 

make install &&
chmod -v 4755 /lib32/security/unix_chkpwd &&
mv -v /lib32/security/pam_tally /sbin &&
mv -v /usr/lib32/libpam*.so.0* /lib32 &&
LIBNAME=$(cat libpam/libpam.la | grep library_names | cut -f2 -d"'" | cut -f1 -d" ") &&
ln -sf ../../lib32/$LIBNAME /usr/lib32/libpam.so &&
LIBNAME=$(cat libpamc/libpamc.la | grep library_names | cut -f2 -d"'" | cut -f1 -d" ") &&
ln -sf ../../lib32/$LIBNAME /usr/lib32/libpamc.so &&
LIBNAME=$(cat libpam_misc/libpam_misc.la | grep library_names | cut -f2 -d"'" | cut -f1 -d" ") &&
ln -sf ../../lib32/$LIBNAME /usr/lib32/libpam_misc.so

64Bit

Configure and compile the package: 

patch -Np1 -i ../Linux-PAM-1.1.3-pam_console-1.patch &&
autoreconf -v &&
CC="gcc ${BUILD64}" ./configure --libdir=/usr/lib64 --sbindir=/lib64/security \
           --enable-securedir=/lib64/security \
           --enable-docdir=/usr/share/doc/Linux-PAM-1.1.3 \
           --enable-read-both-confs &&
make

Install the package: 

make install &&
chmod -v 4755 /lib64/security/unix_chkpwd &&
mv -v /lib64/security/pam_tally /sbin &&
mv -v /usr/lib64/libpam*.so.0* /lib64 &&
LIBNAME=$(cat libpam/libpam.la | grep library_names | cut -f2 -d"'" | cut -f1 -d" ") &&
ln -sf ../../lib64/$LIBNAME /usr/lib64/libpam.so &&
LIBNAME=$(cat libpamc/libpamc.la | grep library_names | cut -f2 -d"'" | cut -f1 -d" ") &&
ln -sf ../../lib64/$LIBNAME /usr/lib64/libpamc.so &&
LIBNAME=$(cat libpam_misc/libpam_misc.la | grep library_names | cut -f2 -d"'" | cut -f1 -d" ") &&
ln -sf ../../lib64/$LIBNAME /usr/lib64/libpam_misc.so

Configuring pam_console

The altering of device permissions is unnecessary. In this case, only the console locking actions are needed. Replace one of the pam_console configuration files to achieve this. 

cat > /etc/security/console.handlers << "EOF"
# Begin /etc/security/console.handlers
console consoledevs tty[0-9][0-9]* vc/[0-9][0-9]* :[0-9]\.[0-9] :[0-9]
EOF

Contents

Note:
The files that come with pam_console need to be added to this list.
Installed Programs: pam_tally
Installed Libraries: libpam.{so,a}, libpamc.{so,a}, libpam_misc.{so,a}
Installed Directories: /etc/pam.d, /etc/security, /lib/security, /usr/include/security

Short Descriptions

pam_tally is used to view or manipulate the faillog file.
libpam.{so,a} provide the interfaces between applications and the PAM modules.
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