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Use mktemp and use it properly.

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* fixes bug 632879 and bug 499234 (which is CVE-2009-1573)

Signed-off-by: Matěj Cepl <mcepl@redhat.com>
This commit is contained in:
Matěj Cepl 2010-09-13 11:28:30 +02:00
parent 3cf5861486
commit 6753065f95
1 changed files with 7 additions and 9 deletions
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16
xvfb-run.sh
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@ -146,19 +146,17 @@ fi
# If the user did not specify an X authorization file to use, set up a temporary
# directory to house one.
if [ -z "$AUTHFILE" ]; then
XVFB_RUN_TMPDIR="${TMPDIR:-/tmp}/$PROGNAME.$$"
if ! mkdir -p -m 700 "$XVFB_RUN_TMPDIR"; then
error "temporary directory $XVFB_RUN_TMPDIR already exists"
exit 4
fi
AUTHFILE=$(mktemp -p "$XVFB_RUN_TMPDIR" Xauthority)
XVFB_RUN_TMPDIR="$(mktemp --directory --tmpdir $PROGNAME.XXXXXX)"
AUTHFILE=$(mktemp -p "$XVFB_RUN_TMPDIR" Xauthority.XXXXXX)
fi
# Start Xvfb.
MCOOKIE=$(mcookie)
XAUTHORITY=$AUTHFILE xauth add ":$SERVERNUM" "$XAUTHPROTO" "$MCOOKIE" \
>"$ERRORFILE" 2>&1
XAUTHORITY=$AUTHFILE Xvfb ":$SERVERNUM" $XVFBARGS $LISTENTCP >"$ERRORFILE" \
XAUTHORITY=$AUTHFILE xauth source - << EOF >>"$ERRORFILE" 2>&1
add :$SERVERNUM $XAUTHPROTO $MCOOKIE
EOF
XAUTHORITY=$AUTHFILE Xvfb ":$SERVERNUM" $XVFBARGS $LISTENTCP >>"$ERRORFILE" \
2>&1 &
XVFBPID=$!
sleep "$STARTWAIT"