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annotate bin/rar2zip @ 52:d07ce874a280

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[bash] securing test. Should use bashism but I hate bashism.
author Edho Prima Arief <me@myconan.net>
date Wed, 27 Apr 2011 11:50:03 -0400
parents 94ee419ad047
children
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1 #!/bin/sh
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2 to_lower() {
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3 printf "%s" "$1" | tr '[:upper:]' '[:lower:]'
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4 }
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5 full_path() {
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6 # It all depends on the first character.
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7 start=${i%${i#?}}
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8 path=
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9 case "${start}" in
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10 /) path="${1}";; # / is absolute. No change.
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11 *) path="${2}/${1}";; # Anything else must be prefixed with $2 (hopefully $PWD)
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12 esac
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13 printf "%s" "${path}" # Return.
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14 }
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15 for i in "$@"; do
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16 src_ext="${i##*.}"
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17 src_path="$(full_path "${i}" "${PWD}")"
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18 if [ -f "${src_path}" ] && [ -r "${src_path}" ] && [ "${src_ext}" != "${i}" ] && [ "$(to_lower ${src_ext})" = "rar" ]; then
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19 tmpdir=".tmp.${i##*/}"
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20 if mkdir -p "${tmpdir}"; then
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21 if 7z x -o"${tmpdir}" -- "${src_path}"; then
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22 (cd "${tmpdir}" && 7z a -mx=1 -tzip "${src_path%.*}.zip" -- "*";)
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23 fi
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24 rm -r "${tmpdir}"
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25 fi
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26 else
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27 echo "Invalid input: ${i}"
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28 fi
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29 done
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