fsh: add new package

Fsh helps you access local shell and TCP services behind a NAT or firewall.

More details: https://github.com/heiher/hev-fsh

Signed-off-by: Ray Wang <r@hev.cc>

net/fsh/Makefile

@@ -0,0 +1,41 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=fsh
+PKG_VERSION:=4.8.7
+PKG_RELEASE:=1
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
+PKG_SOURCE_URL:=https://github.com/heiher/hev-fsh/releases/download/$(PKG_VERSION)
+PKG_HASH:=4b89857915fd6c9a39c66203ac7098d4fa5ff1bef6c2f7467f4ea617a0933ea2
+
+PKG_MAINTAINER:=Ray Wang <r@hev.cc>
+PKG_LICENSE:=MIT
+PKG_LICENSE_FILES:=License
+
+PKG_BUILD_FLAGS:=no-mips16
+PKG_BUILD_PARALLEL:=1
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/fsh
+  SECTION:=net
+  CATEGORY:=Network
+  TITLE:=Fsh helps you access local shell and TCP services behind a NAT or firewall
+  URL:=https://github.com/heiher/hev-fsh
+endef
+
+define Package/fsh/conffiles
+/etc/config/fsh
+endef
+
+define Package/fsh/install
+	$(INSTALL_DIR) $(1)/usr/bin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/bin/hev-fsh $(1)/usr/bin/fsh
+	$(INSTALL_DIR) $(1)/etc/config/
+	$(INSTALL_CONF) ./files/fsh.config $(1)/etc/config/fsh
+	$(INSTALL_DIR) $(1)/etc/init.d/
+	$(INSTALL_BIN) ./files/fshs.init $(1)/etc/init.d/fshs
+	$(INSTALL_BIN) ./files/fshc.init $(1)/etc/init.d/fshc
+endef
+
+$(eval $(call BuildPackage,fsh))

net/fsh/files/fsh.config

@@ -0,0 +1,12 @@
+config fshs
+    option enable '0'
+    option addr '[::]'
+    option port '6339'
+    option tokens '/etc/fsh'
+
+config fshc
+    option enable '0'
+    option addr '127.0.0.1'
+    option port '6339'
+    option token ''
+    option params '-f -p -w 127.0.0.1:22'

net/fsh/files/fshc.init

@@ -0,0 +1,50 @@
+#!/bin/sh /etc/rc.common
+
+START=99
+USE_PROCD=1
+
+NAME=fsh
+PROG=/usr/bin/$NAME
+
+validate_section_fshc() {
+	uci_load_validate "${NAME}" fshc "$1" "$2" \
+		'enable:bool:0' \
+		'addr:string' \
+		'port:port' \
+		'token:string' \
+		'params:string'
+}
+
+fshc_instance() {
+	[ "$2" = 0 ] || {
+		echo "validation failed"
+		return 1
+	}
+
+	[ "${enable}" = 0 ] && return 1
+
+	procd_open_instance "$1"
+
+	procd_set_param command "$PROG"
+	procd_append_param command ${params}
+	if [ -z "$token" ]; then
+		procd_append_param command "$addr":"$port"
+	else
+		procd_append_param command "$addr":"$port"/"$token"
+	fi
+
+	procd_close_instance
+}
+
+start_service() {
+	config_load "${NAME}"
+	config_foreach validate_section_fshc fshc fshc_instance
+}
+
+service_triggers() {
+	procd_add_reload_trigger "$NAME"
+
+	procd_open_validate
+	validate_section_fshc
+	procd_close_validate
+}

net/fsh/files/fshs.init

@@ -0,0 +1,53 @@
+#!/bin/sh /etc/rc.common
+
+START=99
+USE_PROCD=1
+
+NAME=fsh
+PROG=/usr/bin/$NAME
+
+validate_section_fshs() {
+	uci_load_validate "${NAME}" fshs "$1" "$2" \
+		'enable:bool:0' \
+		'addr:string' \
+		'port:port' \
+		'tokens:string'
+}
+
+fshs_instance() {
+	[ "$2" = 0 ] || {
+		echo "validation failed"
+		return 1
+	}
+
+	[ "${enable}" = 0 ] && return 1
+
+	procd_open_instance "$1"
+
+	procd_set_param command "$PROG" "-s"
+	[ -n "$tokens" ] && [ -e "$tokens" ] && {
+		procd_append_param command -a "$tokens"
+	}
+	procd_append_param command "$addr":"$port"
+
+	procd_set_param limits core="unlimited"
+	procd_set_param limits nofile="1000000 1000000"
+	procd_set_param stdout 1
+	procd_set_param stderr 1
+	procd_set_param respawn
+
+	procd_close_instance
+}
+
+start_service() {
+	config_load "${NAME}"
+	config_foreach validate_section_fshs fshs fshs_instance
+}
+
+service_triggers() {
+	procd_add_reload_trigger "$NAME"
+
+	procd_open_validate
+	validate_section_fshs
+	procd_close_validate
+}

net/fsh/test.sh

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+#!/bin/sh
+
+"$1" 2>&1 | grep "$2"