eoip: Add package

add eoip package,this can create ethernet
tunnels compatible with Mikrotik EoIP tunnel.
At current moment it is easiest way
to create stateless tunnel with Mikrotik.

Signed-off-by: Bogdan Shatik <bogdikxxx@mail.ru>

diff --git a/net/eoip/Makefile b/net/eoip/Makefile
new file mode 100644 (file)
index 0000000..ff7c832
--- /dev/null
+++ b/net/eoip/Makefile
@@ -0,0 +1,55 @@
+#
+# Copyright (C) 2020 Bogdan Shatik <bogdikxxx@mail.ru>
+#
+# This is free software, licensed under the GNU General Public License v3.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=eoip
+PKG_VERSION:=0.5
+PKG_RELEASE:=1
+PKG_MAINTAINER:=Bogdan Shatik <bogdikxxx@mail.ru>
+PKG_LICENSE:=GPL-3.0-or-later
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+PKG_SOURCE_URL:=https://github.com/bogdik/openwrt-linux-eoip/releases/download/0.5/
+PKG_HASH:=22f6f3864665adef26c7fbd57543a396108ba2dff1282af8143f18bc2a9912f8
+
+PKG_INSTALL:=1
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/eoip
+  TITLE:=Mikrotik-compatible userspace EoIP tunnel
+  URL:=https://code.google.com/p/linux-eoip/
+  SECTION:=net
+  CATEGORY:=Network
+  SUBMENU:=VPN
+  DEPENDS:=+kmod-tun +libpthread +liblzo
+endef
+
+define Package/eoip/conffiles
+/etc/config/eoip
+endef
+
+define Package/eoip/description
+  linux-eoip can create ethernet tunnels compatible with Mikrotik EoIP tunnel.
+  At current moment it is easiest way to create stateless tunnel with Mikrotik.
+endef
+
+CONFIGURE_ARGS += \
+       --with-kernel="$(LINUX_DIR)" \
+       --with-zlib="$(STAGING_DIR)/usr" \
+       --with-lzo-include="$(STAGING_DIR)/usr/include/lzo"
+
+define Package/eoip/install
+       $(INSTALL_DIR) $(1)/usr/bin
+       $(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/eoip $(1)/usr/bin/
+       $(INSTALL_DIR) $(1)/etc/config
+       $(INSTALL_DATA) ./files/eoip.config $(1)/etc/config/eoip
+       $(INSTALL_DIR) $(1)/etc/init.d
+       $(INSTALL_BIN) ./files/eoip.init $(1)/etc/init.d/eoip
+endef
+
+$(eval $(call BuildPackage,eoip))

diff --git a/net/eoip/files/eoip.config b/net/eoip/files/eoip.config
new file mode 100644 (file)
index 0000000..cdac57e
--- /dev/null
+++ b/net/eoip/files/eoip.config
@@ -0,0 +1,6 @@
+config eoip
+       option enabled 0
+       option name 0
+       option idtun      123
+       option dst     '192.168.99.100'
+       option dynamic 1

diff --git a/net/eoip/files/eoip.init b/net/eoip/files/eoip.init
new file mode 100644 (file)
index 0000000..37c401e
--- /dev/null
+++ b/net/eoip/files/eoip.init
@@ -0,0 +1,105 @@
+#!/bin/sh /etc/rc.common
+
+START=99
+USE_PROCD=1
+INDEX=0
+
+append_bool() {
+       local section="$1"
+       local option="$2"
+       local value="$3"
+       local _val
+       config_get_bool _val "$section" "$option" '0'
+       [ "$_val" -gt 0 ] && append args "$3"
+}
+
+append_string() {
+       local section="$1"
+       local option="$2"
+       local value="$3"
+       local _val
+       config_get _val "$section" "$option"
+       [ -n "$_val" ] && append args "$3$_val"
+}
+
+service_triggers () {
+       procd_open_trigger
+       procd_add_reload_trigger "eoip"
+       procd_add_config_trigger "config.change" "eoip" /etc/init.d/eoip restart
+       procd_add_config_trigger "config.change" "/etc/config/eoip" /etc/init.d/eoip restart
+       procd_close_trigger
+}
+
+start_service() {
+       config_load "eoip"
+       echo "" > /etc/eoip.cfg
+       echo "#!/bin/sh" > /etc/afterStart.sh
+       echo "chkCount=0">> /etc/afterStart.sh
+       echo "while [ \$chkCount -le 10 ];do">> /etc/afterStart.sh
+       echo "  chkStarted=\$(ip a | grep zeoip | wc -l)">> /etc/afterStart.sh
+       echo "  if [ \$chkStarted -eq 0 ]; then">> /etc/afterStart.sh
+       echo "          chkCount=\$((chkCount+1))">> /etc/afterStart.sh
+       echo "          sleep 2">> /etc/afterStart.sh
+       echo "  else">> /etc/afterStart.sh
+       echo "          chkCount=11">> /etc/afterStart.sh
+       echo "  fi">> /etc/afterStart.sh
+       echo "done">> /etc/afterStart.sh
+       echo "now=\$(ip a | grep \"@zeoip\" | awk '{print \$2}' | sed 's/.$//' | cut -d \"@\" -f 1)" >> /etc/afterStart.sh
+       echo "IFS=\$'\n'" >> /etc/afterStart.sh
+       echo "for s in \$now ; do" >> /etc/afterStart.sh
+       echo "   ip link delete link dev \$s" >> /etc/afterStart.sh
+       echo "done" >> /etc/afterStart.sh
+       echo "rm /etc/afterStart.sh" >> /etc/afterStart.sh
+       chmod +x /etc/afterStart.sh
+       config_foreach start_eoip eoip
+       config_foreach start_eoip_vlan eoip
+       if [ "$(cat /etc/eoip.cfg | grep zeoip)" != '' ]; then
+               /etc/afterStart.sh&
+               procd_open_instance
+               args=" /etc/eoip.cfg"
+               procd_set_param command /usr/bin/eoip $args
+               procd_close_instance
+       else
+               rm /etc/afterStart.sh
+       fi
+}
+
+stop_service() {
+       killall eoip
+}
+
+start_eoip() {
+       local section="$1" runas_root
+       config_get_bool enabled "$section" enabled
+       if [ "$enabled" -gt 0 ]; then
+               config_get name "$section" name
+               config_get idtun "$section" idtun
+               config_get dst "$section" dst
+               config_get_bool dynamic "$section" dynamic 0
+               if [ "${name}" != '' ] && [ "${dst}" != '' ] && [ "${idtun}" != '' ]; then
+                       cnt=$(cat /etc/eoip.cfg | grep "zeoip${name}" | wc -l)
+                       if [ $cnt -eq 0 ]; then
+                               echo "[zeoip${name}]" >>/etc/eoip.cfg
+                               echo "id=${idtun}" >>/etc/eoip.cfg
+                               echo "dst=${dst}" >>/etc/eoip.cfg
+                               [ "$dynamic" -gt 0 ] && echo "dynamic=${dynamic}" >>/etc/eoip.cfg
+                               INDEX=$((INDEX+1))
+                       else
+                               result=$(uci delete /etc/config/eoip.@eoip[$INDEX])
+                               INDEX=$((INDEX+1))
+                       fi 
+               fi
+       fi
+}
+
+start_eoip_vlan() {
+       local section="$1" runas_root
+       config_get name "$section" name
+       config_list_foreach "$section" vlan handle_vlan ${name}
+}
+
+handle_vlan() {
+       local value="$1"
+       local name="$2"
+       echo "ip link add link zeoip${name} name zeoip${name}.${value} type vlan id ${value}" >> /etc/afterStart.sh
+}

diff --git a/net/eoip/patches/100-add_LF_to_pidfile.patch b/net/eoip/patches/100-add_LF_to_pidfile.patch
new file mode 100644 (file)
index 0000000..bb66d14
--- /dev/null
+++ b/net/eoip/patches/100-add_LF_to_pidfile.patch
@@ -0,0 +1,11 @@
+--- a/eoip.c   2013-09-25 22:50:48.272763057 +0200
++++ b/eoip.c   2013-09-25 22:51:03.804762840 +0200
+@@ -430,7 +430,7 @@
+       exit(1);
+ 
+     mfd = fopen(pidfile, "w");
+-    fprintf(mfd,"%d", getpid());
++    fprintf(mfd,"%d\n", getpid());
+     fclose(mfd);
+ 
+     /* structure of Mikrotik EoIP: