commit: 0b8b9b13146c1eba04f2bd8d0b2b049c03891010
Author: Kerin Millar <kfm <AT> plushkava <DOT> net>
AuthorDate: Sun Jan 15 05:41:10 2023 +0000
Commit: Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Sun Jan 15 14:03:10 2023 +0000
URL: https://gitweb.gentoo.org/proj/netifrc.git/commit/?id=0b8b9b13
net/l2tp.sh: Slightly improve the structure of l2tp_pre_start()
Restructure so as to avoid an unnecessary level of indentation. The behaviour
of the function remains the same.
Signed-off-by: Kerin Millar <kfm <AT> plushkava.net>
Signed-off-by: Sam James <sam <AT> gentoo.org>
net/l2tp.sh | 40 +++++++++++++++++++---------------------
1 file changed, 19 insertions(+), 21 deletions(-)
diff --git a/net/l2tp.sh b/net/l2tp.sh
index 52b5733..ad459df 100644
--- a/net/l2tp.sh
+++ b/net/l2tp.sh
@@ -28,32 +28,30 @@ l2tp_pre_start() {
eend 1 "${key} defines a \"name\" parameter, which is forbidden
by netifrc"
elif ! modprobe l2tp_eth; then
eend 1 "Couldn't load the l2tp_eth module (perhaps the
CONFIG_L2TP_ETH kernel option is disabled)"
- elif key="l2tptunnel_${IFVAR}"; eval "[ \${${key}+set} ]"; then
- if eval "l2tptunnel=\$${key}"; _is_blank "${l2tptunnel}"; then
- eend 1 "${key} is defined but its value is blank"
- elif ! declared_tunnel=$(_l2tp_parse_opts "${l2tptunnel}"
"local peer_tunnel_id remote tunnel_id" "encap"); then
- eend 1 "${key} is missing at least one required
parameter"
- elif set -- "${tunnel_id}"; eval "${declared_tunnel}"; [ "$1"
!= "${tunnel_id}" ]; then
- eend 1 "${key} defines a \"tunnel_id\" parameter that
contradicts l2tpsession_${IFVAR}"
- elif _l2tp_should_add_tunnel "${tunnel_id}"
"${declared_tunnel}"; set -- $?; [ "$1" -eq 2 ]; then
- eend 1 "Tunnel #${tunnel_id} exists but its properties
mismatch those defined by ${key}"
- elif [ "$1" -eq 1 ]; then
- # The config matches an existing tunnel.
- true
- elif [ "${encap}" = ip ] && ! modprobe l2tp_ip; then
- eend 1 "Couldn't load the l2tp_ip module (perhaps the
CONFIG_L2TP_IP kernel option is disabled)"
- else
- ebegin "Creating L2TPv3 tunnel (tunnel_id ${tunnel_id})"
- printf %s "l2tp add tunnel ${l2tptunnel}" \
- | xargs -E '' ip
- eend $?
- fi
- elif ! _l2tp_has_tunnel "${tunnel_id}"; then
+ elif key="l2tptunnel_${IFVAR}"; ! eval "[ \${${key}+set} ]" && !
_l2tp_has_tunnel "${tunnel_id}"; then
# A tunnel may incorporate more than one session (link). This
# module allows for the user not to define a tunnel for a given
# session. In that case, it will be expected that the required
# tunnel has already been created to satisfy some other session.
eend 1 "Tunnel #${tunnel_id} not found (defining ${key} may be
required)"
+ elif eval "l2tptunnel=\$${key}"; _is_blank "${l2tptunnel}"; then
+ eend 1 "${key} is defined but its value is blank"
+ elif ! declared_tunnel=$(_l2tp_parse_opts "${l2tptunnel}" "local
peer_tunnel_id remote tunnel_id" "encap"); then
+ eend 1 "${key} is missing at least one required parameter"
+ elif set -- "${tunnel_id}"; eval "${declared_tunnel}"; [ "$1" !=
"${tunnel_id}" ]; then
+ eend 1 "${key} defines a \"tunnel_id\" parameter that
contradicts l2tpsession_${IFVAR}"
+ elif _l2tp_should_add_tunnel "${tunnel_id}" "${declared_tunnel}"; set
-- $?; [ "$1" -eq 2 ]; then
+ eend 1 "Tunnel #${tunnel_id} exists but its properties mismatch
those defined by ${key}"
+ elif [ "$1" -eq 1 ]; then
+ # The config matches an existing tunnel.
+ true
+ elif [ "${encap}" = ip ] && ! modprobe l2tp_ip; then
+ eend 1 "Couldn't load the l2tp_ip module (perhaps the
CONFIG_L2TP_IP kernel option is disabled)"
+ else
+ ebegin "Creating L2TPv3 tunnel (tunnel_id ${tunnel_id})"
+ printf %s "l2tp add tunnel ${l2tptunnel}" \
+ | xargs -E '' ip
+ eend $?
fi || return
ebegin "Creating L2TPv3 session (session_id ${session_id} tunnel_id
${tunnel_id})"