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wg-quick: stat the correct enclosing folder of config file

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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2017-11-08 18:40:07 +09:00
parent 753dc179b6
commit d8ad40da25
1 changed files with 2 additions and 1 deletions
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3
src/wg-quick.bash
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@ -30,7 +30,8 @@ parse_options() {
[[ $CONFIG_FILE =~ ^[a-zA-Z0-9_=+.-]{1,16}$ ]] && CONFIG_FILE="/etc/wireguard/$CONFIG_FILE.conf"
[[ -e $CONFIG_FILE ]] || die "\`$CONFIG_FILE' does not exist"
[[ $CONFIG_FILE =~ /?([a-zA-Z0-9_=+.-]{1,16})\.conf$ ]] || die "The config file must be a valid interface name, followed by .conf"
((($(stat -c '0%#a' "$CONFIG_FILE") & $(stat -c '0%#a' "/etc/wireguard") & 0007) == 0)) || echo "Warning: \`$CONFIG_FILE' is world accessible" >&2
CONFIG_FILE="$(readlink -f "$CONFIG_FILE")"
((($(stat -c '0%#a' "$CONFIG_FILE") & $(stat -c '0%#a' "${CONFIG_FILE%/*}") & 0007) == 0)) || echo "Warning: \`$CONFIG_FILE' is world accessible" >&2
INTERFACE="${BASH_REMATCH[1]}"
shopt -s nocasematch
while read -r line || [[ -n $line ]]; do