add Debian packaging

It is a setuid binary owned by root, since the initial step of reading
the configuration files on both PVE and PBS requires higher privileges
which can't be mapped easily otherwise.

Used parts of the packaging in proxmox-backup as a basis.

Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>

.gitignore

@@ -1,2 +1,7 @@
 Cargo.lock
 target/
+proxmox-mail-forward-*/
+*proxmox-mail-forward*.buildinfo
+*proxmox-mail-forward*.tar.?z
+*proxmox-mail-forward*.changes
+*proxmox-mail-forward*.deb

Makefile

@@ -0,0 +1,73 @@
+include /usr/share/dpkg/pkg-info.mk
+include /usr/share/dpkg/architecture.mk
+
+PACKAGE=proxmox-mail-forward
+BUILDDIR ?= $(PACKAGE)-$(DEB_VERSION_UPSTREAM)
+BUILDDIR_TMP ?= $(BUILDDIR).tmp
+
+ifeq ($(BUILD_MODE), release)
+CARGO_BUILD_ARGS += --release
+COMPILEDIR := target/release
+else
+COMPILEDIR := target/debug
+endif
+
+CARGO ?= cargo
+
+DEB=$(PACKAGE)_$(DEB_VERSION_UPSTREAM_REVISION)_$(DEB_BUILD_ARCH).deb
+DBG_DEB=$(PACKAGE)-dbgsym_$(DEB_VERSION_UPSTREAM_REVISION)_$(DEB_BUILD_ARCH).deb
+DSC=rust-$(PACKAGE)_$(DEB_VERSION_UPSTREAM_REVISION).dsc
+
+DEBS=$(DEB) $(DBG_DEB)
+
+.PHONY: build
+build:
+	@echo "Setting Cargo.toml version to: $(DEB_VERSION_UPSTREAM)"
+	sed -i -e 's/^version =.*$$/version = "$(DEB_VERSION_UPSTREAM)"/' Cargo.toml
+	rm -rf $(BUILDDIR) $(BUILDDIR_TMP); mkdir $(BUILDDIR_TMP)
+	cp -a debian \
+	  Cargo.toml src \
+	  Makefile \
+	  $(BUILDDIR_TMP)
+	rm -f $(BUILDDIR_TMP)/Cargo.lock
+	find $(BUILDDIR_TMP)/debian -name "*.hint" -delete
+	mv $(BUILDDIR_TMP) $(BUILDDIR)
+
+.PHONY: deb
+$(DEBS): deb
+deb: build
+	cd $(BUILDDIR); dpkg-buildpackage -b -us -uc --no-pre-clean
+	lintian $(DEBS)
+
+.PHONY: dsc
+dsc: $(DSC)
+$(DSC): build
+	cd $(BUILDDIR); dpkg-buildpackage -S -us -uc -d -nc
+	lintian $(DSC)
+
+.PHONY: dinstall
+dinstall: $(DEBS)
+	dpkg -i $(DEBS)
+
+.PHONY: cargo-build
+cargo-build:
+	$(CARGO) build $(CARGO_BUILD_ARGS) \
+	    --package proxmox-mail-forward \
+	    --bin proxmox-mail-forward
+
+install: cargo-build
+	install -dm755 $(DESTDIR)/usr/bin
+	install -m4755 -o root -g root $(COMPILEDIR)/proxmox-mail-forward $(DESTDIR)/usr/bin/proxmox-mail-forward
+
+.PHONY: upload
+upload: $(DEBS)
+	tar cf - $(DEBS) | ssh -X repoman@repo.proxmox.com -- upload --product "pve,pbs" --dist bullseye --arch $(DEB_BUILD_ARCH)
+
+.PHONY: distclean
+distclean: clean
+
+.PHONY: clean
+clean:
+	cargo clean
+	rm -rf *.deb *.buildinfo *.changes *.dsc rust-$(PACKAGE)_*.tar.?z $(BUILDDIR) $(BUILDDIR_TMP)
+	find . -name '*~' -exec rm {} ';'

debian/changelog

@@ -0,0 +1,5 @@
+rust-proxmox-mail-forward (0.1.0-1) stable; urgency=medium
+
+  * Initial release.
+
+ -- Proxmox Support Team <support@proxmox.com>  Thu, 20 Oct 2022 11:28:37 +0200

debian/compat

@@ -0,0 +1 @@
+12

debian/control

@@ -0,0 +1,30 @@
+Source: rust-proxmox-mail-forward
+Section: rust
+Priority: optional
+Build-Depends: debhelper (>= 12),
+ cargo:native,
+ rustc:native,
+ libstd-rust-dev,
+ librust-anyhow-1+default-dev,
+ librust-log-0.4+default-dev (>= 0.4.17-~~),
+ librust-nix-0.24+default-dev,
+ librust-proxmox-schema-1+default-dev (>= 1.3.4-~~),
+ librust-proxmox-section-config-1+default-dev,
+ librust-proxmox-sys-0.4+default-dev,
+ librust-serde-1+default-dev,
+ librust-serde-1+derive-dev,
+ librust-syslog-4+default-dev
+Maintainer: Proxmox Support Team <support@proxmox.com>
+Standards-Version: 4.5.1
+Vcs-Git: git://git.proxmox.com/git/proxmox-mail-forward.git
+Vcs-Browser: https://git.proxmox.com/?p=proxmox-mail-forward.git
+Homepage: https://www.proxmox.com
+Rules-Requires-Root: binary-targets
+
+Package: proxmox-mail-forward
+Architecture: any
+Depends: ${misc:Depends},
+         ${shlibs:Depends},
+Description: Proxmox mail forward helper
+ This package contains the Proxmox mail forward helper. It forwards mails to the
+ address(es) of the root@pam user in Proxmox Backup Server and Proxmox VE.

debian/copyright

@@ -0,0 +1,16 @@
+Copyright (C) 2022 Proxmox Server Solutions GmbH
+
+This software is written by Proxmox Server Solutions GmbH <support@proxmox.com>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.

debian/lintian-overrides

@@ -0,0 +1,2 @@
+proxmox-mail-forward: no-manual-page usr/bin/proxmox-mail-forward
+proxmox-mail-forward: setuid-binary usr/bin/proxmox-mail-forward 4755 root/root

debian/rules

@@ -0,0 +1,18 @@
+#!/usr/bin/make -f
+# See debhelper(7) (uncomment to enable)
+# output every command that modifies files on the build system.
+DH_VERBOSE = 1
+
+export BUILD_MODE=release
+
+CARGO=/usr/share/cargo/bin/cargo
+
+export CFLAGS CXXFLAGS CPPFLAGS LDFLAGS
+export DEB_HOST_RUST_TYPE DEB_HOST_GNU_TYPE
+export CARGO_HOME = $(CURDIR)/debian/cargo_home
+
+%:
+	dh $@
+
+override_dh_fixperms:
+	dh_fixperms --exclude proxmox-mail-forward