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shadow: use modified pam files and login.defs as suggested in BLFS.

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--HG--
extra : convert_revision : fb1156e5b77e0ebb4c2797de0a643b368128a55a
This commit is contained in:
Juan RP 2009-04-21 17:55:02 +02:00
parent 1e2ed71ac1
commit 3746ee4b78
9 changed files with 116 additions and 244 deletions
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5
templates/shadow/files/chage.pam Normal file
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@ -0,0 +1,5 @@
auth sufficient pam_rootok.so
auth required pam_unix.so
account required pam_unix.so
session required pam_unix.so
password required pam_permit.so

63
templates/shadow/files/login.defs Normal file
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@ -0,0 +1,63 @@
# *REQUIRED*
# Directory where mailboxes reside, _or_ name of file, relative to the
# home directory. If you _do_ define both, MAIL_DIR takes precedence.
# QMAIL_DIR is for Qmail
#
#QMAIL_DIR Maildir
MAIL_DIR /var/mail
#MAIL_FILE .mail
# Password aging controls:
#
# PASS_MAX_DAYS Maximum number of days a password may be used.
# PASS_MIN_DAYS Minimum number of days allowed between password changes.
# PASS_MIN_LEN Minimum acceptable password length.
# PASS_WARN_AGE Number of days warning given before a password expires.
#
PASS_MAX_DAYS 99999
PASS_MIN_DAYS 0
PASS_WARN_AGE 7
#
# Min/max values for automatic uid selection in useradd
#
UID_MIN 1000
UID_MAX 60000
# System accounts
SYS_UID_MIN 100
SYS_UID_MAX 999
#
# Min/max values for automatic gid selection in groupadd
#
GID_MIN 100
GID_MAX 60000
# System accounts
SYS_GID_MIN 100
SYS_GID_MAX 999
#
# If defined, this command is run when removing a user.
# It should remove any at/cron/print jobs etc. owned by
# the user to be removed (passed as the first argument).
#
#USERDEL_CMD /usr/sbin/userdel_local
#
# If useradd should create home directories for users by default
# On RH systems, we do. This option is overridden with the -m flag on
# useradd command line.
#
CREATE_HOME yes
# The permission mask is initialized to this value. If not specified,
# the permission mask will be initialized to 022.
UMASK 077
# This enables userdel to remove user groups if no members exist.
#
USERGROUPS_ENAB yes
# Disable MD5 and use SHA512 by default.
MD5_CRYPT_ENAB no
ENCRYPT_METHOD SHA512

14
templates/shadow/files/login.pam Normal file
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@ -0,0 +1,14 @@
# /etc/pam.d/login service with cracklib.
auth requisite pam_nologin.so
auth required pam_securetty.so
auth required pam_unix.so
account required pam_access.so
account required pam_unix.so
session required pam_env.so
session required pam_motd.so
session required pam_limits.so
session optional pam_mail.so dir=/var/mail standard
session optional pam_lastlog.so
session required pam_unix.so
password required pam_cracklib.so try_first_pass retry=3
password required pam_unix.so sha512 shadow nullok try_first_pass use_authtok

8
templates/shadow/files/other.pam Normal file
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@ -0,0 +1,8 @@
auth required pam_deny.so
auth required pam_warn.so
account required pam_deny.so
account required pam_warn.so
password required pam_deny.so
password required pam_warn.so
session required pam_deny.so
session required pam_warn.so

6
templates/shadow/files/passwd.pam Normal file
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@ -0,0 +1,6 @@
password required pam_cracklib.so type=Linux retry=3 \
difok=5 diffignore=23 minlen=9 \
dcredit=1 ucredit=1 lcredit=1 \
ocredit=1 \
dictpath=/lib/cracklib/pw_dict
password required pam_unix.so sha512 shadow use_authtok

0
templates/shadow/files/shadow.cron-daily Executable file → Normal file
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7
templates/shadow/files/su.pam Normal file
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@ -0,0 +1,7 @@
auth sufficient pam_rootok.so
auth required pam_unix.so
account required pam_unix.so
session optional pam_mail.so dir=/var/mail standard
session optional pam_xauth.so
session required pam_env.so
session required pam_unix.so

239
templates/shadow/shadow-enable-pam.diff
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@ -1,239 +0,0 @@
--- etc/login.defs.orig 2008-12-16 03:07:47.000000000 +0100
+++ etc/login.defs 2008-12-16 03:11:46.000000000 +0100
@@ -12,7 +12,7 @@ FAIL_DELAY 3
#
# Enable logging and display of /var/log/faillog login failure info.
#
-FAILLOG_ENAB yes
+#FAILLOG_ENAB yes
#
# Enable display of unknown usernames when login failures are recorded.
@@ -27,7 +27,7 @@ LOG_OK_LOGINS no
#
# Enable logging and display of /var/log/lastlog login time info.
#
-LASTLOG_ENAB yes
+#LASTLOG_ENAB yes
#
# Enable checking and display of mailbox status upon login.
@@ -35,22 +35,22 @@ LASTLOG_ENAB yes
# Disable if the shell startup files already check for mail
# ("mailx -e" or equivalent).
#
-MAIL_CHECK_ENAB yes
+#MAIL_CHECK_ENAB yes
#
# Enable additional checks upon password changes.
#
-OBSCURE_CHECKS_ENAB yes
+#OBSCURE_CHECKS_ENAB yes
#
# Enable checking of time restrictions specified in /etc/porttime.
#
-PORTTIME_CHECKS_ENAB yes
+#PORTTIME_CHECKS_ENAB yes
#
# Enable setting of ulimit, umask, and niceness from passwd gecos field.
#
-QUOTAS_ENAB yes
+#QUOTAS_ENAB yes
#
# Enable "syslog" logging of su activity - in addition to sulog file logging.
@@ -64,7 +64,7 @@ SYSLOG_SG_ENAB yes
# a ":" delimited list of device names. Root logins will be allowed only
# upon these devices.
#
-CONSOLE /etc/securetty
+#CONSOLE /etc/securetty
#CONSOLE console:tty01:tty02:tty03:tty04
#
@@ -76,7 +76,7 @@ CONSOLE /etc/securetty
# If defined, ":" delimited list of "message of the day" files to
# be displayed upon login.
#
-MOTD_FILE /etc/motd
+#MOTD_FILE /etc/motd
#MOTD_FILE /etc/motd:/usr/lib/news/news-motd
#
@@ -94,14 +94,14 @@ MOTD_FILE /etc/motd
# If defined, login failures will be logged here in a utmp format.
# last, when invoked as lastb, will read /var/log/btmp, so...
#
-FTMP_FILE /var/log/btmp
+#FTMP_FILE /var/log/btmp
#
# If defined, name of file whose presence which will inhibit non-root
# logins. The contents of this file should be a message indicating
# why logins are inhibited.
#
-NOLOGINS_FILE /etc/nologin
+#NOLOGINS_FILE /etc/nologin
#
# If defined, the command name to display when running "su -". For
@@ -116,7 +116,7 @@ SU_NAME su
# Directory where mailboxes reside, _or_ name of file, relative to the
# home directory. If you _do_ define both, MAIL_DIR takes precedence.
#
-MAIL_DIR /var/spool/mail
+#MAIL_DIR /var/spool/mail
#MAIL_FILE .mail
#
@@ -139,7 +139,7 @@ HUSHLOGIN_FILE .hushlogin
# If defined, an HZ environment parameter spec.
#
# for Linux/x86
-ENV_HZ HZ=100
+#ENV_HZ HZ=100
# For Linux/Alpha...
#ENV_HZ HZ=1024
@@ -147,8 +147,8 @@ ENV_HZ HZ=100
# *REQUIRED* The default PATH settings, for superuser and normal users.
#
# (they are minimal, add the rest in the shell startup files)
-ENV_SUPATH PATH=/sbin:/bin:/usr/sbin:/usr/bin
-ENV_PATH PATH=/bin:/usr/bin
+#ENV_SUPATH PATH=/sbin:/bin:/usr/sbin:/usr/bin
+#ENV_PATH PATH=/bin:/usr/bin
#
# Terminal permissions
@@ -193,7 +193,7 @@ UMASK 022
#
PASS_MAX_DAYS 99999
PASS_MIN_DAYS 0
-PASS_MIN_LEN 5
+#PASS_MIN_LEN 5
PASS_WARN_AGE 7
#
@@ -202,12 +202,12 @@ PASS_WARN_AGE 7
# to uid 0 accounts. If the group doesn't exist or is empty, no one
# will be able to "su" to uid 0.
#
-SU_WHEEL_ONLY no
+#SU_WHEEL_ONLY no
#
# If compiled with cracklib support, where are the dictionaries
#
-CRACKLIB_DICTPATH /var/cache/cracklib/cracklib_dict
+#CRACKLIB_DICTPATH /var/cache/cracklib/cracklib_dict
#
# Min/max values for automatic uid selection in useradd
@@ -240,12 +240,12 @@ LOGIN_TIMEOUT 60
#
# Maximum number of attempts to change password if rejected (too easy)
#
-PASS_CHANGE_TRIES 5
+#PASS_CHANGE_TRIES 5
#
# Warn about weak passwords (but still allow them) if you are root.
#
-PASS_ALWAYS_WARN yes
+#PASS_ALWAYS_WARN yes
#
# Number of significant characters in the password for crypt().
@@ -257,7 +257,7 @@ PASS_ALWAYS_WARN yes
#
# Require password before chfn/chsh can make any changes.
#
-CHFN_AUTH yes
+#CHFN_AUTH yes
#
# Which fields may be changed by regular users using chfn - use
@@ -339,7 +339,7 @@ DEFAULT_HOME yes
# If this file exists and is readable, login environment will be
# read from it. Every line should be in the form name=value.
#
-ENVIRON_FILE /etc/environment
+#ENVIRON_FILE /etc/environment
#
# If defined, this command is run when removing a user.
--- etc/pam.d/login.orig 2008-12-16 03:29:36.000000000 +0100
+++ etc/pam.d/login 2008-12-16 03:29:56.000000000 +0100
@@ -1,11 +1,13 @@
-#%PAM-1.0
+auth requisite pam_nologin.so
auth required pam_securetty.so
-auth include system-auth
-account required pam_nologin.so
-account include system-auth
-password include system-auth
-session required pam_selinux.so close
-session include system-auth
-session required pam_loginuid.so
-session optional pam_console.so
-session required pam_selinux.so open
+auth required pam_unix.so
+account required pam_access.so
+account required pam_unix.so
+session required pam_env.so
+session required pam_motd.so
+session required pam_limits.so
+session optional pam_mail.so dir=/var/mail standard
+session optional pam_lastlog.so
+session required pam_unix.so
+password required pam_cracklib.so retry=3
+password required pam_unix.so sha512 shadow use_authtok
--- etc/pam.d/passwd.orig 2008-12-16 03:30:36.000000000 +0100
+++ etc/pam.d/passwd 2008-12-16 03:30:52.000000000 +0100
@@ -1,4 +1,6 @@
-#%PAM-1.0
-auth include system-auth
-account include system-auth
-password include system-auth
+password required pam_cracklib.so type=Linux retry=1 \
+ difok=5 diffignore=23 minlen=9 \
+ dcredit=1 ucredit=1 lcredit=1 \
+ ocredit=1 \
+ dictpath=/lib/cracklib/pw_dict
+password required pam_unix.so sha512 shadow use_authtok
--- etc/pam.d/su.orig 2008-12-16 03:31:25.000000000 +0100
+++ etc/pam.d/su 2008-12-16 03:31:35.000000000 +0100
@@ -1,13 +1,7 @@
-#%PAM-1.0
auth sufficient pam_rootok.so
-# Uncomment the following line to implicitly trust users in the "wheel" group.
-#auth sufficient pam_wheel.so trust use_uid
-# Uncomment the following line to require a user to be in the "wheel" group.
-auth required pam_wheel.so use_uid
-auth include system-auth
-account include system-auth
-password include system-auth
-session required pam_selinux.so close
-session include system-auth
-session required pam_selinux.so open multiple
+auth required pam_unix.so
+account required pam_unix.so
+session optional pam_mail.so dir=/var/mail standard
session optional pam_xauth.so
+session required pam_env.so
+session required pam_unix.so
--- etc/pam.d/chage.orig 2008-12-16 03:32:38.000000000 +0100
+++ etc/pam.d/chage 2008-12-16 03:32:56.000000000 +0100
@@ -1,4 +1,5 @@
-#%PAM-1.0
auth sufficient pam_rootok.so
-account required pam_permit.so
-password include system-auth
+auth required pam_unix.so
+account required pam_unix.so
+session required pam_unix.so
+password required pam_permit.so

18
templates/shadow/template
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@ -1,8 +1,7 @@
# Template file for 'shadow'
pkgname=shadow
version=4.1.2.2
revision=2
patch_files="$pkgname-enable-pam.diff"
revision=3
distfiles="ftp://pkg-shadow.alioth.debian.org/pub/pkg-shadow/$pkgname-$version.tar.bz2"
build_style=gnu_configure
configure_args="--libdir=/lib --enable-shared --disable-static
@ -29,16 +28,20 @@ pre_build()
cd $wrksrc && \
sed -i 's/groups$(EXEEXT) //' src/Makefile && \
find man -name Makefile -exec sed -i 's/groups\.1 / /' {}
sed -i -e 's@/var/spool/mail@/var/mail@' etc/login.defs
}
post_install()
{
# Use the same auth file for all these cmds.
# Install our pam files not the ones supplied with shadow.
rm -f ${DESTDIR}/etc/pam.d/*
for f in chage login passwd su other; do
install -m644 ${FILESDIR}/${f}.pam ${DESTDIR}/etc/pam.d/${f}
done
for f in chpasswd chgpasswd groupadd groupdel groupmems \
groupmod newusers useradd userdel usermod other; do
groupmod newusers useradd userdel usermod; do
install -m644 $DESTDIR/etc/pam.d/chage $DESTDIR/etc/pam.d/${f}
done
install -m644 ${FILESDIR}/login.defs ${DESTDIR}/etc
# Disable creating mailbox files by default.
sed -i -e 's/yes/no/' $DESTDIR/etc/default/useradd
@ -46,4 +49,9 @@ post_install()
# Install the cron daily job.
install -D -m744 ${FILESDIR}/shadow.cron-daily \
${DESTDIR}/etc/cron.daily/shadow
# Remove unused files due to PAM.
for f in login.access limits; do
[ -f ${DESTDIR}/etc/${f} ] && rm -f ${DESTDIR}/etc/${f}
done
}