From 5e30ec5c958a5d03a5a52322c92cf985d8bf652f Mon Sep 17 00:00:00 2001
From: Eugene Bujak <bujak@adguard.com>
Date: Wed, 29 Aug 2018 15:24:41 +0300
Subject: [PATCH] Initial commit

---
 .gitignore     |  2 ++
 Makefile       | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++
 plugin.cfg     | 33 +++++++++++++++++++++++++++
 postinstall.sh | 35 +++++++++++++++++++++++++++++
 postrm.sh      |  6 +++++
 preinstall.sh  |  3 +++
 prerm.sh       |  3 +++
 7 files changed, 142 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Makefile
 create mode 100644 plugin.cfg
 create mode 100644 postinstall.sh
 create mode 100644 postrm.sh
 create mode 100644 preinstall.sh
 create mode 100644 prerm.sh

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..386bfa8
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/*.deb
+/go_*
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..7587d0f
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,60 @@
+NAME=adguard-internal-dns
+VERSION=$(version)
+MAINTAINER="AdGuard Web Team"
+USER="dns"
+SHELL := /bin/bash
+
+.PHONY: default
+default: repo
+
+GOPATH=$(shell pwd)/go_$(VERSION)
+
+clean:
+	rm -fv *.deb
+
+## replace bit.adguard.com with github and remove ln -s once we push adguard-dns to github
+build: check-vars clean
+	mkdir -p $(GOPATH)
+	GOPATH=$(GOPATH) go get -v -d -insecure bit.adguard.com/dns/adguard-dns
+	GOPATH=$(GOPATH) go get -v -d github.com/coredns/coredns
+	mkdir -p $(GOPATH)/src/github.com/AdguardTeam
+	ln -s $(GOPATH)/src/bit.adguard.com/dns/adguard-dns $(GOPATH)/src/github.com/AdguardTeam/AdguardDNS
+	cp plugin.cfg $(GOPATH)/src/github.com/coredns/coredns
+	cd $(GOPATH)/src/github.com/coredns/coredns; GOPATH=$(GOPATH) go generate
+	cd $(GOPATH)/src/github.com/coredns/coredns; GOPATH=$(GOPATH) go get -v -d -t .
+	cd $(GOPATH)/src/github.com/coredns/coredns; GOPATH=$(GOPATH) PATH=$(GOPATH)/bin:$(PATH) make
+	cd $(GOPATH)/src/github.com/coredns/coredns; GOPATH=$(GOPATH) go build -x -v -ldflags="-X github.com/coredns/coredns/coremain.GitCommit=$(VERSION)" -o $(GOPATH)/bin/coredns
+
+package: build
+	fpm --prefix /opt/$(NAME) \
+		--deb-user $(USER) \
+		--after-install postinstall.sh \
+		--after-remove postrm.sh \
+		--before-install preinstall.sh \
+		--before-remove prerm.sh \
+		--template-scripts \
+		--template-value user=$(USER) \
+		--template-value project=$(NAME) \
+		--template-value version=1.$(VERSION) \
+		--license proprietary \
+		--url https://adguard.com/adguard-dns/overview.html \
+		--category non-free/web \
+		--description "AdGuard DNS (internal)" \
+		--deb-no-default-config-files \
+		-v 1.$(VERSION) \
+		-s dir \
+		-t deb \
+		-n $(NAME) \
+		-m $(MAINTAINER) \
+		--vendor $(MAINTAINER) \
+		-C go_$(VERSION)/bin \
+		coredns
+
+repo: package
+	for package in *.deb ; do freight-add $$package apt/jessie/non-free ; done
+	freight-cache
+
+check-vars:
+ifndef version
+	$(error VERSION is undefined)
+endif
diff --git a/plugin.cfg b/plugin.cfg
new file mode 100644
index 0000000..79ca114
--- /dev/null
+++ b/plugin.cfg
@@ -0,0 +1,33 @@
+# Directives are registered in the order they should be
+# executed.
+#
+# Ordering is VERY important. Every plugin will
+# feel the effects of all other plugin below
+# (after) them during a request, but they must not
+# care what plugin above them are doing.
+
+# How to rebuild with updated plugin configurations:
+# Modify the list below and run `go gen && go build`
+
+# The parser takes the input format of
+#     <plugin-name>:<package-name>
+# Or
+#     <plugin-name>:<fully-qualified-package-name>
+#
+# External plugin example:
+# log:github.com/coredns/coredns/plugin/log
+# Local plugin example:
+# log:log
+
+bind:bind
+debug:debug
+pprof:pprof
+prometheus:metrics
+errors:errors
+log:log
+ratelimit:github.com/AdguardTeam/AdguardDNS/coredns_plugin/ratelimit
+refuseany:github.com/AdguardTeam/AdguardDNS/coredns_plugin/refuseany
+dnsfilter:github.com/AdguardTeam/AdguardDNS/coredns_plugin
+cache:cache
+file:file
+forward:forward
diff --git a/postinstall.sh b/postinstall.sh
new file mode 100644
index 0000000..aa5324a
--- /dev/null
+++ b/postinstall.sh
@@ -0,0 +1,35 @@
+#!/bin/bash
+set -e -x -o pipefail
+echo "executing $0"
+
+case "$1" in
+    configure)
+        if ! getent passwd "<%= user %>" > /dev/null ; then
+                echo "Adding user for <%= project %>" >&2
+
+                adduser --system -ingroup nogroup --quiet \
+                    --no-create-home \
+                    --disabled-login \
+                    --gecos "<%= project %> user" \
+                    --shell /bin/bash "<%= user %>"
+        fi
+        URL="https://filters.adtidy.org/android/filters/15.txt"
+        OUTFILE="/var/lib/dnsfilter/dns.txt"
+
+        mkdir -p /var/lib/dnsfilter
+        wget -q --timeout=90 "$URL" -O "$OUTFILE"
+        if [ $? -ne 0 ]
+            then
+            echo "Filter rules could not be downloaded."
+        fi
+
+        # Link logs dir (Required for request logs)
+        ln -s /var/log/<%= project %> /opt/<%= project %>/logs
+
+        chown -R <%= user %>: /opt/<%= project %>
+    ;;
+    *)
+        echo "postinst called with unknown argument \`$1'" >&2
+        exit 1
+    ;;
+esac
diff --git a/postrm.sh b/postrm.sh
new file mode 100644
index 0000000..bd6cdfe
--- /dev/null
+++ b/postrm.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+set -e -x -o pipefail
+echo "executing $0"
+
+# Unlink logs dir
+rm -rf /opt/<%= project %>/logs
diff --git a/preinstall.sh b/preinstall.sh
new file mode 100644
index 0000000..061ecaa
--- /dev/null
+++ b/preinstall.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+set -e -x -o pipefail
+echo "executing $0"
diff --git a/prerm.sh b/prerm.sh
new file mode 100644
index 0000000..061ecaa
--- /dev/null
+++ b/prerm.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+set -e -x -o pipefail
+echo "executing $0"