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goodpasswd: First char not '-': looks like an option.

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Ole Tange 2014-09-18 14:15:00 +02:00
parent 583d6970f9
commit 54b1aa2308
1 changed files with 7 additions and 9 deletions
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16
goodpasswd/goodpasswd
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@ -5,32 +5,30 @@
# * are hard to guess
# * will be displayed unambigously in any (normal) font
# * will survive being passed through a bad fax machine
# * will survive being passed through handwriting
# * has UPPER lower number and sign
#
# Too close: B8 cC g9 kK lI l1 oO O0 pP sS uU vV xX zZ Z2 ,. :; `' S5
# Too close: B8 cC g9 6G kK lI l1 oO O0 pP sS uU vV xX zZ Z2 ,. :; `' S5
# Causes problems in URLs: @/:
# Causes problems in shell: ! " # $ & ( ) [ ] { } ? | < > \ * =
# SQL uses: % for wildcard
# Hard to type: ^ ~ ¨ ¤ § ½ æ ø å Æ Ø Å
# Never 2 same chars next to eachother. (--) is bad
# Do not start with '-' or '+' as that looks like an (long) option
#
# US-kbd: ~!@#$%^&*()_+ [] {} ;'\ :"| < > ,./ <>?
# DK-kbd: §!"#¤%&/()=?` å" Å^ æø' ÆØ* < > ,.- ;:_
# Common: ! # % < > ,.
my $pw;
my @chars=split //, 'abdefhijmnqrtyADEFGHJLMNQRTY3467+-';
my @chars=split //, 'abdefhijmnqrtyADEFHJLMNQRTY347+-';
do {
$pw = "";
for (1..12) {
do {
# avoid double chars (such as --)
$this = $chars[rand $#chars+1]
} while($last eq $this);
$last = $this;
$pw .= $this;
$pw .= $chars[rand $#chars+1]
}
} while (not($pw =~ /[A-Z]/ and
} while (($pw =~ /^[+-]/ or $pw =~ /(.)\1/) or
not($pw =~ /[A-Z]/ and
$pw =~ /[a-z]/ and
$pw =~ /[0-9]/ and
$pw =~ /[^a-zA-Z0-9]/));