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wg-quick: ifnames have max len of 15 

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2018-01-10 02:37:03 +01:00
parent 9207dec08f
commit 7fc4c0af45
3 changed files with 5 additions and 5 deletions
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4
contrib/reresolve-dns/reresolve-dns.sh
View File

@ -9,8 +9,8 @@ shopt -s extglob
export LC_ALL=C
CONFIG_FILE="$1"
[[ $CONFIG_FILE =~ ^[a-zA-Z0-9_=+.-]{1,16}$ ]] && CONFIG_FILE="/etc/wireguard/$CONFIG_FILE.conf"
[[ $CONFIG_FILE =~ /?([a-zA-Z0-9_=+.-]{1,16})\.conf$ ]]
[[ $CONFIG_FILE =~ ^[a-zA-Z0-9_=+.-]{1,15}$ ]] && CONFIG_FILE="/etc/wireguard/$CONFIG_FILE.conf"
[[ $CONFIG_FILE =~ /?([a-zA-Z0-9_=+.-]{1,15})\.conf$ ]]
INTERFACE="${BASH_REMATCH[1]}"
process_peer() {

2
src/wg-quick.8
View File

@ -97,7 +97,7 @@ interface upon shutdown.
.P
Recommended \fIINTERFACE\fP names include `wg0' or `wgvpn0' or even `wgmgmtlan0'.
However, the number at the end is in fact optional, and really
any free-form string [a-zA-Z0-9_=+.-]{1,16} will work. So even interface names corresponding
any free-form string [a-zA-Z0-9_=+.-]{1,15} will work. So even interface names corresponding
to geographic locations would suffice, such as `cincinnati', `nyc', or `paris', if that's
somehow desirable.

4
src/wg-quick.bash
View File

@ -29,9 +29,9 @@ ARGS=( "$@" )
parse_options() {
local interface_section=0 line key value
CONFIG_FILE="$1"
[[ $CONFIG_FILE =~ ^[a-zA-Z0-9_=+.-]{1,16}$ ]] && CONFIG_FILE="/etc/wireguard/$CONFIG_FILE.conf"
[[ $CONFIG_FILE =~ ^[a-zA-Z0-9_=+.-]{1,15}$ ]] && 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"
[[ $CONFIG_FILE =~ /?([a-zA-Z0-9_=+.-]{1,15})\.conf$ ]] || die "The config file must be a valid interface name, followed by .conf"
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]}"