www.pudn.com > AntiCrack.zip > do_join

#!/bin/sh 
 
### 
# This program is copyright Alec Muffett 1991, and is provided as part of 
# the Crack v4.0 Password Cracking package.  The author disclaims all 
# responsibility or liability with respect to it's usage or its effect 
# upon hardware or computer systems, and maintains copyright as set out in 
# the "LICENCE" document which accompanies distributions of Crack v4.0 and 
# upwards. So there... 
### 
 
### 
# Empty the output file, Error if cannot create 
### 
 
warn=$1 
shift 
cp /dev/null $warn || exit 1 
 
### 
# Have we got feedback ? 
### 
 
fbkfiles=`sh -c "echo Runtime/F*"` 
if [ "$fbkfiles" = "Runtime/F*" ] 
then 
	fbkfiles="" 
fi 
 
### 
# As Walt Disney would say, we start with a simple bracket:- 
### 
 
( 
	if [ "$fbkfiles" != "" ] 
	then 
		cat $fbkfiles 
	fi 
 
	( 
		for file in $* 
		do 
			awk '/^[A-Za-z0-9]/ {print "'"$file"':" $0}' < $file 
		done 
	) | 
	sort -t: +2 
) | 
awk -F: ' 
BEGIN { 
	FS = ":"; 
	numf = 8;		# number of fields in a pwent, + 1 
	warn="'"$warn"'"; 
	date = "'"`date`"'"; 
	date = substr(date, 5, 15); 
} 
 
/^!fb!/ { 
	if ($3 == "N") 
	{ 
		guessable[$2] = "N"; 
	} else if ($3 == "Y") 
	{ 
		guessable[$2] = "Y"; 
		decrypt[$2] = $4; 
	} else 
	{ 
		print "Strange feedback: ", $0 >> "/dev/tty"; 
	} 
	next; 
} 
 
NF != numf { 
	printf("join: Rejected '%s': does not have %d fields\n", \ 
		$0, numf) >> warn; 
	next; 
} 
 
$3 == "" { 
	printf("join: %s Warning! %s (%s in %s) has a NULL password!\n", \ 
		date, $2, $7, $1) >> warn; 
	next; 
} 
 
index($3, "*") != 0 || \ 
index($3, "!") != 0 || \ 
index($3, " ") != 0 { 
	printf("join: %s User %s (in %s) has a locked password:- %s\n", \ 
		date, $2, $1, $3) >> warn; 
	next; 
} 
 
{ 
	if (guessable[$3] == "N") 
	{ 
		next; 
	} else if (guessable[$3] == "Y") 
	{ 
		if ($4 == 0) 
		{ 
			msg = "ROOT PASSWORD "; 
		} else 
		{ 
			msg = ""; 
		} 
		printf("join: %s Guessed %s%s (%s in %s) [%s] %s\n", \ 
			date, msg, $2, $8, $1, decrypt[$3], $3) >> warn; 
	} else 
	{ 
		print $0; 
	} 
}' 
 
exit 0