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| author |   Kerin Millar <kfm@plushkava.net> | 2023-01-15 05:41:10 +0000 |
|---|---|---|
| committer |   Sam James <sam@gentoo.org> | 2023-01-15 14:03:10 +0000 |
| commit | 0b8b9b13146c1eba04f2bd8d0b2b049c03891010 (patch) | |
| tree | e4107666c63c049357672a1984a243fe0aaaa494 /net/l2tp.sh | |
| parent | net/macchanger.sh: Update path to macchanger to /usr (diff) | |
| download | netifrc-0b8b9b13146c1eba04f2bd8d0b2b049c03891010.tar.gz netifrc-0b8b9b13146c1eba04f2bd8d0b2b049c03891010.tar.bz2 netifrc-0b8b9b13146c1eba04f2bd8d0b2b049c03891010.zip | |
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@plushkava.net>
Signed-off-by: Sam James <sam@gentoo.org>
Diffstat (limited to 'net/l2tp.sh')
| -rw-r--r-- | net/l2tp.sh | 40 |
1 files 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})" |