rpcd-mod-packagelist: add package

Provides a way to acquire the list of installed packages without the
need to have opkg available. It is being used for the GSoC 17 project
implementing easy sysupgrade functionality.

Signed-off-by: Paul Spooren <paul@spooren.de>

diff --git a/utils/rpcd-mod-packagelist/Makefile b/utils/rpcd-mod-packagelist/Makefile
new file mode 100644 (file)
index 0000000..61a5b48
--- /dev/null
+++ b/utils/rpcd-mod-packagelist/Makefile
@@ -0,0 +1,40 @@
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=rpcd-mod-packagelist
+PKG_VERSION:=0.1
+PKG_RELEASE:=1
+PKG_LICENSE:=GPL-2.0
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/rpcd-mod-packagelist
+  SECTION:=utils
+  CATEGORY:=Base system
+  TITLE:=ubus packagelist
+  MAINTAINER:=Paul Spooren <paul@spooren.de>
+  DEPENDS:=rpcd @!CLEAN_IPKG
+endef
+
+define Package/rpcd-mod-packagelist/description
+       add ubus call to receive user installed packages without the need of opkg installed
+endef
+
+define Build/Compile
+endef
+
+define Build/Configure
+endef
+
+define Package/rpcd-mod-packagelist/install
+       $(INSTALL_DIR) $(1)/usr/share/rpcd/acl.d/
+       $(INSTALL_BIN) ./files/packagelist.acl $(1)/usr/share/rpcd/acl.d/packagelist.json
+
+       $(INSTALL_DIR) $(1)/usr/libexec/rpcd/
+       $(INSTALL_BIN) ./files/packagelist.rpcd $(1)/usr/libexec/rpcd/packagelist
+endef
+
+$(eval $(call BuildPackage,rpcd-mod-packagelist))

diff --git a/utils/rpcd-mod-packagelist/files/packagelist.acl b/utils/rpcd-mod-packagelist/files/packagelist.acl
new file mode 100644 (file)
index 0000000..41d95a6
--- /dev/null
+++ b/utils/rpcd-mod-packagelist/files/packagelist.acl
@@ -0,0 +1,12 @@
+{
+       "packagelist": {
+               "description": "get list of installed software packages",
+               "read": {
+                       "ubus": {
+                               "packagelist": [
+                                       "list"
+                               ]
+                       }
+               }
+       }
+}

diff --git a/utils/rpcd-mod-packagelist/files/packagelist.rpcd b/utils/rpcd-mod-packagelist/files/packagelist.rpcd
new file mode 100755 (executable)
index 0000000..b9b7342
--- /dev/null
+++ b/utils/rpcd-mod-packagelist/files/packagelist.rpcd
@@ -0,0 +1,40 @@
+#!/bin/sh
+
+. /usr/share/libubox/jshn.sh
+
+case "$1" in
+list)
+       json_init
+       json_add_object "list"
+       json_dump
+       ;;
+call)
+       case "$2" in
+       list)
+               json_init;
+               json_add_object "packagelist"
+
+               if [ -f /usr/lib/opkg/status ]; then
+                       while read var p1 p2 p3; do
+                               if [ "$var" = "Package:" ]; then
+                                       pkg="$p1"
+                               fi
+                               if [ "$var" = "Version:" ]; then
+                                       version="$p1"
+                               fi
+
+                               if [ "$var" = "Status:" \
+                                       -a "$p1" = "install" \
+                                       -a "$p2" = "user" \
+                                       -a "$p3" = "installed" ]; then
+                                               json_add_string "$pkg" "$version";
+                               fi
+                       done < /usr/lib/opkg/status
+               fi
+
+               json_close_object
+               json_dump
+               ;;
+       esac
+       ;;
+esac