6 if [ "$pkg" = "" -o ! -e "$pkg" ]; then
7 echo "no package supplied" 1>&2
11 plaintext=`mktemp ${TMPDIR:-/tmp}/tgpg-$$.XXXXXX`
12 detached=`mktemp ${TMPDIR:-/tmp}/tgpg-$$.XXXXXX`
14 # --- Extract detached signature
15 rpm -qp -vv --qf '%{siggpg:armor}' $pkg > $detached
17 # --- Figger the offset of header+payload in the package
19 o=`expr $leadsize + 8`
21 set `od -j $o -N 8 -t u1 $pkg`
22 il=`expr 256 \* \( 256 \* \( 256 \* $2 + $3 \) + $4 \) + $5`
23 dl=`expr 256 \* \( 256 \* \( 256 \* $6 + $7 \) + $8 \) + $9`
25 sigsize=`expr 8 + 16 \* $il + $dl`
26 o=`expr $o + $sigsize + \( 8 - \( $sigsize \% 8 \) \) \% 8`
28 # --- Extract header+payload
29 dd if=$pkg ibs=$o skip=1 2>/dev/null > $plaintext
31 # --- Verify DSA signature using gpg
32 gpg --batch -vv --debug 0xfc02 --verify $detached $plaintext
35 rm -f $detached $plaintext