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-rw-r--r--modules/pam_pwhistory/.cvsignore8
-rw-r--r--modules/pam_pwhistory/Makefile.in680
-rw-r--r--modules/pam_pwhistory/README65
-rw-r--r--modules/pam_pwhistory/pam_pwhistory.8329
4 files changed, 1074 insertions, 8 deletions
diff --git a/modules/pam_pwhistory/.cvsignore b/modules/pam_pwhistory/.cvsignore
deleted file mode 100644
index c0d3c72c..00000000
--- a/modules/pam_pwhistory/.cvsignore
+++ /dev/null
@@ -1,8 +0,0 @@
-*.la
-*.lo
-.deps
-.libs
-Makefile
-Makefile.in
-README
-pam_pwhistory.8
diff --git a/modules/pam_pwhistory/Makefile.in b/modules/pam_pwhistory/Makefile.in
new file mode 100644
index 00000000..ead329b7
--- /dev/null
+++ b/modules/pam_pwhistory/Makefile.in
@@ -0,0 +1,680 @@
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+# This Makefile.in is free software; the Free Software Foundation
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+# with or without modifications, as long as this notice is preserved.
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+ *$$ws$$tst$$ws*) \
+ xpass=`expr $$xpass + 1`; \
+ failed=`expr $$failed + 1`; \
+ echo "XPASS: $$tst"; \
+ ;; \
+ *) \
+ echo "PASS: $$tst"; \
+ ;; \
+ esac; \
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+ echo "FAIL: $$tst"; \
+ ;; \
+ esac; \
+ else \
+ skip=`expr $$skip + 1`; \
+ echo "SKIP: $$tst"; \
+ fi; \
+ done; \
+ if test "$$failed" -eq 0; then \
+ if test "$$xfail" -eq 0; then \
+ banner="All $$all tests passed"; \
+ else \
+ banner="All $$all tests behaved as expected ($$xfail expected failures)"; \
+ fi; \
+ else \
+ if test "$$xpass" -eq 0; then \
+ banner="$$failed of $$all tests failed"; \
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+ test `echo "$$skipped" | wc -c` -le `echo "$$banner" | wc -c` || \
+ dashes="$$skipped"; \
+ fi; \
+ report=""; \
+ if test "$$failed" -ne 0 && test -n "$(PACKAGE_BUGREPORT)"; then \
+ report="Please report to $(PACKAGE_BUGREPORT)"; \
+ test `echo "$$report" | wc -c` -le `echo "$$banner" | wc -c` || \
+ dashes="$$report"; \
+ fi; \
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+ test -z "$$report" || echo "$$report"; \
+ echo "$$dashes"; \
+ test "$$failed" -eq 0; \
+ else :; fi
+
+distdir: $(DISTFILES)
+ @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ list='$(DISTFILES)'; \
+ dist_files=`for file in $$list; do echo $$file; done | \
+ sed -e "s|^$$srcdirstrip/||;t" \
+ -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
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+ test -f $(distdir)/$$file \
+ || cp -p $$d/$$file $(distdir)/$$file \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+ $(MAKE) $(AM_MAKEFLAGS) check-TESTS
+check: check-am
+all-am: Makefile $(LTLIBRARIES) $(MANS) $(DATA) $(HEADERS)
+installdirs:
+ for dir in "$(DESTDIR)$(securelibdir)" "$(DESTDIR)$(man8dir)"; do \
+ test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+ done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
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+ `test -z '$(STRIP)' || \
+ echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+ -test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
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+ uninstall-securelibLTLIBRARIES
+
+@ENABLE_REGENERATE_MAN_TRUE@README: pam_pwhistory.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_pwhistory/README b/modules/pam_pwhistory/README
new file mode 100644
index 00000000..167b4172
--- /dev/null
+++ b/modules/pam_pwhistory/README
@@ -0,0 +1,65 @@
+pam_pwhistory — PAM module to remember last passwords
+
+━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+
+DESCRIPTION
+
+This module saves the last passwords for each user in order to force password
+change history and keep the user from alternating between the same password too
+frequently.
+
+This module does not work together with kerberos. In general, it does not make
+much sense to use this module in conjunction with NIS or LDAP, since the old
+passwords are stored on the local machine and are not available on another
+machine for password history checking.
+
+OPTIONS
+
+debug
+
+ Turns on debugging via syslog(3).
+
+use_authtok
+
+ When password changing enforce the module to use the new password provided
+ by a previously stacked password module (this is used in the example of the
+ stacking of the pam_cracklib module documented below).
+
+enforce_for_root
+
+ If this option is set, the check is enforced for root, too.
+
+remember=N
+
+ The last N passwords for each user are saved in /etc/security/opasswd. The
+ default is 10.
+
+retry=N
+
+ Prompt user at most N times before returning with error. The default is 1.
+
+authtok_type=STRING
+
+ See pam_get_authtok(3) for more details.
+
+EXAMPLES
+
+An example password section would be:
+
+#%PAM-1.0
+password required pam_pwhistory.so
+password required pam_unix.so use_authtok
+
+
+In combination with pam_cracklib:
+
+#%PAM-1.0
+password required pam_cracklib.so retry=3
+password required pam_pwhistory.so use_authtok
+password required pam_unix.so use_authtok
+
+
+AUTHOR
+
+pam_pwhistory was written by Thorsten Kukuk <kukuk@thkukuk.de>
+
diff --git a/modules/pam_pwhistory/pam_pwhistory.8 b/modules/pam_pwhistory/pam_pwhistory.8
new file mode 100644
index 00000000..df660e93
--- /dev/null
+++ b/modules/pam_pwhistory/pam_pwhistory.8
@@ -0,0 +1,329 @@
+.\" Title: pam_pwhistory
+.\" Author: [see the "AUTHOR" section]
+.\" Generator: DocBook XSL Stylesheets v1.74.0 <http://docbook.sf.net/>
+.\" Date: 07/08/2010
+.\" Manual: Linux-PAM Manual
+.\" Source: Linux-PAM Manual
+.\" Language: English
+.\"
+.TH "PAM_PWHISTORY" "8" "07/08/2010" "Linux-PAM Manual" "Linux\-PAM Manual"
+.\" -----------------------------------------------------------------
+.\" * (re)Define some macros
+.\" -----------------------------------------------------------------
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" toupper - uppercase a string (locale-aware)
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.de toupper
+.tr aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ
+\\$*
+.tr aabbccddeeffgghhiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz
+..
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" SH-xref - format a cross-reference to an SH section
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.de SH-xref
+.ie n \{\
+.\}
+.toupper \\$*
+.el \{\
+\\$*
+.\}
+..
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" SH - level-one heading that works better for non-TTY output
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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+.it 1 an-trap
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+.nr an-break-flag 1
+\." make the size of the head bigger
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+.ft B
+.ne (2v + 1u)
+.ie n \{\
+.\" if n (TTY output), use uppercase
+.toupper \\$*
+.\}
+.el \{\
+.nr an-break-flag 0
+.\" if not n (not TTY), use normal case (not uppercase)
+\\$1
+.in \\n[an-margin]u
+.ti 0
+.\" if not n (not TTY), put a border/line under subheading
+.sp -.6
+\l'\n(.lu'
+.\}
+..
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" SS - level-two heading that works better for non-TTY output
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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+.nr an-break-flag 1
+.ps \\n[PS-SS]u
+\." make the size of the head bigger
+.ps +2
+.ft B
+.ne (2v + 1u)
+.if \\n[.$] \&\\$*
+..
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" BB/BE - put background/screen (filled box) around block of text
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.de BB
+.if t \{\
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+.di BX
+.\}
+..
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+.\}
+.el \{\
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+.\}
+.in 0
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+.in
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+.fi
+.\}
+..
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" BM/EM - put colored marker in margin next to block of text
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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+.\}
+..
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+.in 0
+.nf
+.BX
+.in
+.fi
+.\}
+..
+.\" -----------------------------------------------------------------
+.\" * set default formatting
+.\" -----------------------------------------------------------------
+.\" disable hyphenation
+.nh
+.\" disable justification (adjust text to left margin only)
+.ad l
+.\" -----------------------------------------------------------------
+.\" * MAIN CONTENT STARTS HERE *
+.\" -----------------------------------------------------------------
+.SH "Name"
+pam_pwhistory \- PAM module to remember last passwords
+.SH "Synopsis"
+.fam C
+.HP \w'\fBpam_pwhistory\&.so\fR\ 'u
+\fBpam_pwhistory\&.so\fR [debug] [use_authtok] [enforce_for_root] [remember=\fIN\fR] [retry=\fIN\fR] [authtok_type=\fISTRING\fR]
+.fam
+.SH "DESCRIPTION"
+.PP
+This module saves the last passwords for each user in order to force password change history and keep the user from alternating between the same password too frequently\&.
+.PP
+This module does not work together with kerberos\&. In general, it does not make much sense to use this module in conjunction with NIS or LDAP, since the old passwords are stored on the local machine and are not available on another machine for password history checking\&.
+.SH "OPTIONS"
+.PP
+\fBdebug\fR
+.RS 4
+Turns on debugging via
+\fBsyslog\fR(3)\&.
+.RE
+.PP
+\fBuse_authtok\fR
+.RS 4
+When password changing enforce the module to use the new password provided by a previously stacked
+\fBpassword\fR
+module (this is used in the example of the stacking of the
+\fBpam_cracklib\fR
+module documented below)\&.
+.RE
+.PP
+\fBenforce_for_root\fR
+.RS 4
+If this option is set, the check is enforced for root, too\&.
+.RE
+.PP
+\fBremember=\fR\fB\fIN\fR\fR
+.RS 4
+The last
+\fIN\fR
+passwords for each user are saved in
+\FC/etc/security/opasswd\F[]\&. The default is
+\fI10\fR\&.
+.RE
+.PP
+\fBretry=\fR\fB\fIN\fR\fR
+.RS 4
+Prompt user at most
+\fIN\fR
+times before returning with error\&. The default is
+\fI1\fR\&.
+.RE
+.PP
+\fBauthtok_type=\fR\fB\fISTRING\fR\fR
+.RS 4
+See
+\fBpam_get_authtok\fR(3)
+for more details\&.
+.RE
+.SH "MODULE TYPES PROVIDED"
+.PP
+Only the
+\fBpassword\fR
+module type is provided\&.
+.SH "RETURN VALUES"
+.PP
+PAM_AUTHTOK_ERR
+.RS 4
+No new password was entered, the user aborted password change or new password couldn\'t be set\&.
+.RE
+.PP
+PAM_IGNORE
+.RS 4
+Password history was disabled\&.
+.RE
+.PP
+PAM_MAXTRIES
+.RS 4
+Password was rejected too often\&.
+.RE
+.PP
+PAM_USER_UNKNOWN
+.RS 4
+User is not known to system\&.
+.RE
+.SH "EXAMPLES"
+.PP
+An example password section would be:
+.sp
+.if n \{\
+.RS 4
+.\}
+.fam C
+.ps -1
+.nf
+.if t \{\
+.sp -1
+.\}
+.BB lightgray adjust-for-leading-newline
+.sp -1
+
+#%PAM\-1\&.0
+password required pam_pwhistory\&.so
+password required pam_unix\&.so use_authtok
+
+.EB lightgray adjust-for-leading-newline
+.if t \{\
+.sp 1
+.\}
+.fi
+.fam
+.ps +1
+.if n \{\
+.RE
+.\}
+.PP
+In combination with
+\fBpam_cracklib\fR:
+.sp
+.if n \{\
+.RS 4
+.\}
+.fam C
+.ps -1
+.nf
+.if t \{\
+.sp -1
+.\}
+.BB lightgray adjust-for-leading-newline
+.sp -1
+
+#%PAM\-1\&.0
+password required pam_cracklib\&.so retry=3
+password required pam_pwhistory\&.so use_authtok
+password required pam_unix\&.so use_authtok
+
+.EB lightgray adjust-for-leading-newline
+.if t \{\
+.sp 1
+.\}
+.fi
+.fam
+.ps +1
+.if n \{\
+.RE
+.\}
+.sp
+.SH "FILES"
+.PP
+\FC/etc/security/opasswd\F[]
+.RS 4
+File with password history
+.RE
+.SH "SEE ALSO"
+.PP
+
+\fBpam.conf\fR(5),
+\fBpam.d\fR(5),
+\fBpam\fR(8)
+\fBpam_get_authtok\fR(3)
+.SH "AUTHOR"
+.PP
+pam_pwhistory was written by Thorsten Kukuk <kukuk@thkukuk\&.de>