Submitted By: Jim Gifford (jim at linuxfromscratch dot org)
Date: 2004-04-22
Initial Package Version: 2,7
Origin: Jim Gifford & DJ Lucas
Description: Makes Cracklib a dynamic library installed at /lib
             Fixes buffer underruns
             Add's missing header
             Install's Missing Headers

diff -Naur cracklib,2.7-orig/Makefile cracklib,2.7/Makefile
--- cracklib,2.7-orig/Makefile	1997-12-31 04:33:53.000000000 -0600
+++ cracklib,2.7/Makefile	2004-04-30 16:58:01.000000000 -0500
@@ -7,14 +7,21 @@
 ###
 
 ###
+# cracklib version
+MAJOR=2
+MINOR=7
+VERSION=$(MAJOR).$(MINOR)
+export MAJOR MINOR VERSION
+
+###
 # set this to the absolute path (less extn) of compressed dict.
 
-DICTPATH="/usr/local/lib/pw_dict"
+DICTPATH="/lib/cracklib_dict"
 
 ###
 # Set this to the path of one or more files continaing wordlists.
 
-SRCDICTS=/usr/dict/words
+SRCDICTS=/usr/share/dict/words /usr/share/dict/extra.words
 
 ###
 # If you have installed the cracklib-dicts directory, use this
@@ -36,7 +43,9 @@
 	-rm -f all installed Part* *.BAK *.bak *~
 
 install: all
+	( cd cracklib && make install && exit $$? )
+	( cd util && make install && exit $$? )
 	@echo 'if "sort" dies from lack of space, see "util/mkdict"'
-	util/mkdict $(SRCDICTS) | util/packer $(DICTPATH)
+	util/mkdict $(SRCDICTS) | LD_LIBRARY_PATH=cracklib util/packer $(DESTDIR)$(DICTPATH)
 	touch installed
 ###	@echo 'now go install passwd/passwd where you want it'
diff -Naur cracklib,2.7-orig/cracklib/Makefile cracklib,2.7/cracklib/Makefile
--- cracklib,2.7-orig/cracklib/Makefile	1997-12-14 16:49:21.000000000 -0600
+++ cracklib,2.7/cracklib/Makefile	2004-04-30 16:58:01.000000000 -0500
@@ -6,13 +6,24 @@
 # and upwards.
 ###
 
-LIB=	libcrack.a
-OBJ=	fascist.o packlib.o rules.o stringlib.o
-CFLAGS= -O -I../cracklib -DIN_CRACKLIB
+LIB	= libcrack.so
+OBJ	= fascist.o packlib.o rules.o stringlib.o
+CFLAGS += -g -I../cracklib -DIN_CRACKLIB -fPIC
+LD	= ld
 
-$(LIB):	$(OBJ)
-	ar rv $(LIB) $?
-	-ranlib $(LIB)
+$(LIB):	$(OBJ) Makefile
+	$(LD) -shared -soname $(LIB).$(MAJOR) -o $(LIB).$(VERSION) $(OBJ) -lc
+	rm -f $(LIB).$(MAJOR) $(LIB)
+	ln -s $(LIB).$(VERSION) $(LIB).$(MAJOR)
+	ln -s $(LIB).$(MAJOR) $(LIB)
 
 clean:
-	-rm -f $(OBJ) $(LIB) *~
+	-rm -f $(OBJ) $(LIB) $(LIB).$(VERSION) *~
+
+install: $(LIB) crack.h
+	install -m 755 $(LIB).$(VERSION) $(DESTDIR)/lib
+	ln -sf $(LIB).$(VERSION) $(DESTDIR)/lib/$(LIB)
+	ln -sf $(DESTDIR)/lib/$(LIB).$(VERSION) $(DESTDIR)/lib/$(LIB).$(MAJOR)
+
+	install -m 644 packer.h $(DESTDIR)/usr/include
+	install -m 644 crack.h $(DESTDIR)/usr/include
diff -Naur cracklib,2.7-orig/cracklib/crack.h cracklib,2.7/cracklib/crack.h
--- cracklib,2.7-orig/cracklib/crack.h	1969-12-31 18:00:00.000000000 -0600
+++ cracklib,2.7/cracklib/crack.h	2004-04-30 17:11:03.000000000 -0500
@@ -0,0 +1,15 @@
+
+#ifndef CRACKLIB_H
+#define CRACKLIB_H
+
+/* Pass this function a password (pw) and a path to the
+ * dictionaries (/lib/cracklib_dict should be specified)
+ * and it will either return a NULL string, meaning that the
+ * password is good, or a pointer to a string that explains the
+ * problem with the password.
+ * You must link with -lcrack
+ */
+
+extern char *FascistCheck(char *pw, char *dictpath);
+
+#endif
diff -Naur cracklib,2.7-orig/cracklib/fascist.c cracklib,2.7/cracklib/fascist.c
--- cracklib,2.7-orig/cracklib/fascist.c	1997-12-31 04:26:46.000000000 -0600
+++ cracklib,2.7/cracklib/fascist.c	2004-04-30 16:58:01.000000000 -0500
@@ -11,6 +11,7 @@
 #include "packer.h"
 #include <sys/types.h>
 #include <pwd.h>
+#include <string.h>
 
 #define ISSKIP(x) (isspace(x) || ispunct(x))
 
@@ -659,7 +660,7 @@
 	return ("it does not contain enough DIFFERENT characters");
     }
 
-    strcpy(password, Lowercase(password));
+    strcpy(password, (char *)Lowercase(password));
 
     Trim(password);
 
@@ -722,7 +723,7 @@
 	}
     }
 
-    strcpy(password, Reverse(password));
+    strcpy(password, (char *)Reverse(password));
 
     for (i = 0; r_destructors[i]; i++)
     {
diff -Naur cracklib,2.7-orig/util/Makefile cracklib,2.7/util/Makefile
--- cracklib,2.7-orig/util/Makefile	1997-12-14 16:49:34.000000000 -0600
+++ cracklib,2.7/util/Makefile	2004-04-30 16:58:01.000000000 -0500
@@ -14,27 +14,31 @@
 #SunOS users (and others?) should consider static linking of their passwd binary
 #CFLAGS= -O -I../cracklib '-DCRACKLIB_DICTPATH="$(DICTPATH)"' -Bstatic
 
-CFLAGS= -O -I../cracklib '-DCRACKLIB_DICTPATH="$(DICTPATH)"'
-LIBS=	../cracklib/libcrack.a
+CFLAGS += -I../cracklib '-DCRACKLIB_DICTPATH="$(DICTPATH)"'
+LDFLAGS	= -L../cracklib -lcrack
+LIBS	= ../cracklib/libcrack.so
 
 all:	packer unpacker testnum teststr testlib
 	touch all
 
 packer: packer.o $(LIBS)
-	cc $(CFLAGS) -o $@ $@.o $(LIBS)
+	$(CC) $(CFLAGS) -o $@ $@.o $(LDFLAGS)
 
 unpacker: unpacker.o $(LIBS)
-	cc $(CFLAGS) -o $@ $@.o $(LIBS)
+	$(CC) $(CFLAGS) -o $@ $@.o $(LDFLAGS)
 
 testnum: testnum.o $(LIBS)
-	cc $(CFLAGS) -o $@ $@.o $(LIBS)
+	$(CC) $(CFLAGS) -o $@ $@.o $(LDFLAGS)
 
 teststr: teststr.o $(LIBS)
-	cc $(CFLAGS) -o $@ $@.o $(LIBS)
+	$(CC) $(CFLAGS) -o $@ $@.o $(LDFLAGS)
 
 testlib: testlib.o $(LIBS)
-	cc $(CFLAGS) -o $@ $@.o $(LIBS)
+	$(CC) $(CFLAGS) -o $@ $@.o $(LDFLAGS)
 
 clean:
 	-rm *.o *~ all
 	-rm teststr testnum testlib packer unpacker
+
+install: all create-cracklib-dict
+	install -m 755 mkdict packer create-cracklib-dict $(DESTDIR)/usr/sbin
diff -Naur cracklib,2.7-orig/util/create-cracklib-dict cracklib,2.7/util/create-cracklib-dict
--- cracklib,2.7-orig/util/create-cracklib-dict	1969-12-31 18:00:00.000000000 -0600
+++ cracklib,2.7/util/create-cracklib-dict	2004-04-30 16:58:01.000000000 -0500
@@ -0,0 +1,15 @@
+#!/bin/sh
+if [ -z "$*" ]; then
+    echo "Usage:"
+    echo "  /usr/sbin/create-cracklib-dict wordlist ..."
+    echo
+    echo "This script takes one or more word list files as arguments"
+    echo "and converts them into cracklib dictionaries for use"
+    echo "by password checking programs. The results are placed in"
+    echo "/lib/cracklib_dict.*"
+    echo
+    echo "Example:"
+    echo "/usr/sbin/create-cracklib-dict /usr/dict/words"
+else
+    /usr/sbin/mkdict $* | /usr/sbin/packer /usr/share/cracklib/pw_dict
+fi