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Some sanity checks on image size

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erdgeist 2006-05-03 00:59:00 +00:00
parent 65310b7582
commit f2cf85c611
1 changed files with 3 additions and 3 deletions
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ezjail-admin
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@ -167,7 +167,7 @@ create)
if [ "${ezjail_imagesize}" ]; then
_val=`echo "${ezjail_imagesize}"|tr A-Z a-z|sed -Ees:g:km:g -es:m:kk:g -es:k:*2b:g -es:b:*128w:g -es:w:*4\ :g -e"s:(^|[^0-9])0x:\1\0X:g" -ey:x:*:`
_val=`echo $(( ${_val} ))`
[ $? -eq 0 ] || exerr "Error: The image size you specified is somehow incomprehensible."
[ $? -eq 0 -o ${_val} -lt 1 ] || exerr "Error: The image size you specified is somehow incomprehensible (you specified ${ezjail_imagesize}."
ezjail_imageblockcount=$(( ${_val} / 1048576 ))
ezjail_imagerestbytes=$(( ${_val} % 1048576 ))
fi
@ -233,8 +233,8 @@ create)
# Now create jail disc image
touch "${ezjail_image}"
dd if=/dev/random of="${ezjail_image}" bs=1m count=${ezjail_imageblockcount} || exerr "Error: Could not (or not fully) create the image file. You might want to check (and possibly remove) the file ${ezjail_image}. The image size provided was ${ezjail_imagesize}."
( dd if=/dev/random bs=${ezjail_imagerestbytes} count=1 >> "${ezjail_image}" ) || exerr "Error: Could not (or not fully) create the image file. You might want to check (and possibly remove) the file ${ezjail_image}. The image size provided was ${ezjail_imagesize}."
[ "${ezjail_imageblockcount}" -gt 0 ] && dd if=/dev/random of="${ezjail_image}" bs=1m count=${ezjail_imageblockcount} || exerr "Error: Could not (or not fully) create the image file. You might want to check (and possibly remove) the file ${ezjail_image}. The image size provided was ${ezjail_imagesize}."
[ "${ezjail_imagerestbytes}" -gt 0 ] && ( dd if=/dev/random bs=${ezjail_imagerestbytes} count=1 >> "${ezjail_image}" ) || exerr "Error: Could not (or not fully) create the image file. You might want to check (and possibly remove) the file ${ezjail_image}. The image size provided was ${ezjail_imagesize}."
# And attach device
ezjail_imagedevice=`mdconfig -a -t vnode -f ${ezjail_image}`