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authorerdgeist <erdgeist@erdgeist.org>2006-05-03 00:59:00 +0000
committererdgeist <erdgeist@erdgeist.org>2006-05-03 00:59:00 +0000
commitf2cf85c611a66a6664296b6dd69332612889fe08 (patch)
treeab90c3c235ce3824c829486ab2cfe6cfb03dfe5c /ezjail-admin
parent65310b7582dd27d9726e8224321ef7de6bf364a8 (diff)
Some sanity checks on image size
Diffstat (limited to 'ezjail-admin')
-rwxr-xr-xezjail-admin6
1 files changed, 3 insertions, 3 deletions
diff --git a/ezjail-admin b/ezjail-admin
index 70213b2..429cbb8 100755
--- a/ezjail-admin
+++ b/ezjail-admin
@@ -167,7 +167,7 @@ create)
167 if [ "${ezjail_imagesize}" ]; then 167 if [ "${ezjail_imagesize}" ]; then
168 _val=`echo "${ezjail_imagesize}"|tr A-Z a-z|sed -Ees:g:km:g -es:m:kk:g -es:k:*2b:g -es:b:*128w:g -es:w:*4\ :g -e"s:(^|[^0-9])0x:\1\0X:g" -ey:x:*:` 168 _val=`echo "${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:*:`
169 _val=`echo $(( ${_val} ))` 169 _val=`echo $(( ${_val} ))`
170 [ $? -eq 0 ] || exerr "Error: The image size you specified is somehow incomprehensible." 170 [ $? -eq 0 -o ${_val} -lt 1 ] || exerr "Error: The image size you specified is somehow incomprehensible (you specified ${ezjail_imagesize}."
171 ezjail_imageblockcount=$(( ${_val} / 1048576 )) 171 ezjail_imageblockcount=$(( ${_val} / 1048576 ))
172 ezjail_imagerestbytes=$(( ${_val} % 1048576 )) 172 ezjail_imagerestbytes=$(( ${_val} % 1048576 ))
173 fi 173 fi
@@ -233,8 +233,8 @@ create)
233 233
234 # Now create jail disc image 234 # Now create jail disc image
235 touch "${ezjail_image}" 235 touch "${ezjail_image}"
236 dd if=/dev/random of="${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 ${ezjail_imagesize}." 236 [ "${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 ${ezjail_imagesize}."
237 ( dd if=/dev/random bs=${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 ${ezjail_imagesize}." 237 [ "${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}."
238 238
239 # And attach device 239 # And attach device
240 ezjail_imagedevice=`mdconfig -a -t vnode -f ${ezjail_image}` 240 ezjail_imagedevice=`mdconfig -a -t vnode -f ${ezjail_image}`