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| author | sibel <lesibel at free dot fr> | 2010-07-08 12:31:28 +0200 |
|---|---|---|
| committer | sibel <lesibel at free dot fr> | 2010-07-08 12:31:28 +0200 |
| commit | aa7ce7edc786cab902e70e5e2d008422b877d998 (patch) | |
| tree | a6a9dba2a0bcad11969119d2e3d6b53a3de13b4a /extra/rpmextract/rpm2cpio | |
| parent | e9a02cfb305833d8f3686cb6403b12311224fff0 (diff) | |
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Ajout de rpmextract#1.0-1
Diffstat (limited to 'extra/rpmextract/rpm2cpio')
| -rw-r--r-- | extra/rpmextract/rpm2cpio | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/extra/rpmextract/rpm2cpio b/extra/rpmextract/rpm2cpio new file mode 100644 index 000000000..a0eba2403 --- /dev/null +++ b/extra/rpmextract/rpm2cpio @@ -0,0 +1,26 @@ +#!/bin/sh + +pkg=$1 +if [ "$pkg" = "" -o ! -e "$pkg" ]; then + echo "no package supplied" 1>&2 + exit 1 +fi + +leadsize=96 +o=`expr $leadsize + 8` +set `od -j $o -N 8 -t u1 $pkg` +il=`expr 256 \* \( 256 \* \( 256 \* $2 + $3 \) + $4 \) + $5` +dl=`expr 256 \* \( 256 \* \( 256 \* $6 + $7 \) + $8 \) + $9` +# echo "sig il: $il dl: $dl" + +sigsize=`expr 8 + 16 \* $il + $dl` +o=`expr $o + $sigsize + \( 8 - \( $sigsize \% 8 \) \) \% 8 + 8` +set `od -j $o -N 8 -t u1 $pkg` +il=`expr 256 \* \( 256 \* \( 256 \* $2 + $3 \) + $4 \) + $5` +dl=`expr 256 \* \( 256 \* \( 256 \* $6 + $7 \) + $8 \) + $9` +# echo "hdr il: $il dl: $dl" + +hdrsize=`expr 8 + 16 \* $il + $dl` +o=`expr $o + $hdrsize` + +dd if=$pkg ibs=$o skip=1 2>/dev/null |