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base-files: sysupgrade: quote source image name

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get_image() eval a filename without quoting it, resulting in errors with
filenames containing characters that need to be escaped.
    $ sysupgrade -T -f ./cfg\(12\).tar.gz img.bin; echo $?
    Image check 'platform_check_image' failed.
    Invalid config file. Please use only .tar.gz files
    1
    $ mv cfg\(12\).tar.gz cfg_12.tar.gz
    $ mv img\(1\).bin img.bin
    sysupgrade -T -f ./cfg_12.tar.gz img.bin; echo $?
    0

Enclose the content of $from in double quotes.

Signed-off-by: Adrien Schildknecht <adrien+dev@schischi.me>

Backport of r46919

git-svn-id: svn://svn.openwrt.org/openwrt/branches/chaos_calmer@47028 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
Rafał Miłecki 2015-09-23 11:55:18 +00:00
parent ec73b2e383
commit 1898cdc737
1 changed files with 2 additions and 2 deletions
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4
package/base-files/files/lib/upgrade/common.sh
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@ -184,14 +184,14 @@ get_image() { # <source> [ <command> ]
*) cmd="cat";;
esac
if [ -z "$conc" ]; then
local magic="$(eval $cmd $from 2>/dev/null | dd bs=2 count=1 2>/dev/null | hexdump -n 2 -e '1/1 "%02x"')"
local magic="$(eval $cmd \"$from\" 2>/dev/null | dd bs=2 count=1 2>/dev/null | hexdump -n 2 -e '1/1 "%02x"')"
case "$magic" in
1f8b) conc="zcat";;
425a) conc="bzcat";;
esac
fi
eval "$cmd $from 2>/dev/null ${conc:+| $conc}"
eval "$cmd \"$from\" 2>/dev/null ${conc:+| $conc}"
}
get_magic_word() {