Re: Automatiser la définition d'un mot de passe

Ne te casse pas le bulbe, fais

echo $username:$userpasswd|chpasswd

Je ne connais pas mkpasswd, dommage, ça m'aurait évité d'écrire ce qui suit
(découpé à vif d'un script existant, adaptations probablement nécessaires)

#=======================================================================
# random_chars
#=======================================================================
# Selects unique chars at random from a list
# Parameters
#    Chars to choose from in $1
#       Nb of chars to return in $2
# Returns
#    Concatenates the result in $lst_out
#
# Warning : characters may be duplicated

function random_chars
{

local lst_in lst_in2 nb_requested i j

lst_in=$1
let nb_requested=$2
if [ $debug_passwd ];  then
    echo "nb_requested=$nb_requested"
fi
declare -i i=0 j=0

while [ $i -lt $nb_requested ];
do
    j=$(($RANDOM%${#lst_in}))     # get a letter at random
    lst_out=$lst_out${lst_in:j:1}       # add it to the outstring
    lst_in2=""
# Remove from the list of the possible chars
    if [ $j -gt 0 ]; then
    lst_in2=${lst_in:0:j}
    fi
    if [ $j -lt $((${#lst_in}-1)) ]; then
    lst_in2=$lst_in2${lst_in:j+1}
    fi
    lst_in=$lst_in2
if [ $debug_passwd ];  then
    echo "lst_in=$lst_in"
fi
    let i=$i+1
done
if [ $debug_passwd ];  then
    echo "random_chars returns $lst_out"
fi
}

#=======================================================================
# make_passwd : fabrique un mot de passe aleatoire
#=======================================================================
# Creates a passwd made of 2 special chars, 2 digits, 6 alpha
# No parameters
#
# Return
# Result returned in $password

function make_passwd
{
if [ $debug_passwd ];  then
    echo "Inside make_passwd"
fi # debug
local lst_out lst_out2 specials numerics letters

specials='&#()+-_$*:;?<>='
numerics="0123456789"
letters="abcdefghijkmnpqrstuvwxyzABCDEFGHIJKLMNPQRSTUVWXYZ"

# Get the chars
lst_out=""
random_chars $specials 2
if [ $debug_passwd ];  then
    echo $lst_out
fi
random_chars $numerics 2
if [ $debug_passwd ];  then
    echo $lst_out
fi
random_chars $letters  6
if [ $debug_passwd ];  then
    echo $lst_out
fi

# Scramble the whole password
lst_out2=$lst_out
lst_out=""
random_chars $lst_out2 10

passwd=$lst_out

echo "make_passwd retourne $passwd"

}


-- Jean-Marc