[Buildroot] [PATCH v3] package/wpa_supplicant: Fix systemd service for new DBus bus name

[Arnout Vandecappelle <arnout@mind.be>]

On 04/12/16 17:35, Marcin Niestroj wrote:
> systemd service files were supplied with old DBus bus name. After
> service activation systemd was waiting for appearance of specified bus
> name to consider it started successfully. However, if wpa_supplicant was
> compiled only with new dbus interface name, then systemd didn't notice
> configured (old) DBus bus name appearance. In the end service was
> considered malfunctioning and it was deactivated.
>
> Add upstream patch, which updates systemd service BusName property

  It's not an upstream patch, it's an upstreamable patch. At least, I can't find 
it in the upstream git repo nor on the mailing list. Did you even send it 
upstream already?

> according to configured DBus interface version.
>
> Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
> ---
> Hi,
>
> Sorry for posting this patch as v2 moment ago. I'm just resending it
> with proper version (v3) and updated changelog.
>
> Changes v2 -> v3:
>   * Update subject line and commit description to make the problem more
>     clear (suggested by Arnout)
>   * Use upstreamable patch instead of change in buildroot package
>     makefile (suggested by Arnout)
>
> Changes v1 -> v2:
>   * Added missing signed-off tag
>
>   ...ate-service-files-according-to-dbus-inter.patch | 77 ++++++++++++++++++++++
>   1 file changed, 77 insertions(+)
>   create mode 100644 package/wpa_supplicant/0007-systemd-Update-service-files-according-to-dbus-inter.patch
>
> diff --git a/package/wpa_supplicant/0007-systemd-Update-service-files-according-to-dbus-inter.patch b/package/wpa_supplicant/0007-systemd-Update-service-files-according-to-dbus-inter.patch
> new file mode 100644
> index 0000000..59c5450
> --- /dev/null
> +++ b/package/wpa_supplicant/0007-systemd-Update-service-files-according-to-dbus-inter.patch
> @@ -0,0 +1,77 @@
> +From b6cea24d6191d9ccdcd1ac38a5322e3da73218db Mon Sep 17 00:00:00 2001
> +From: Marcin Niestroj <m.niestroj@grinn-global.com>
> +Date: Mon, 11 Apr 2016 13:23:54 +0200
> +Subject: [PATCH] systemd: Update service files according to dbus interface
> + version used
> +
> +systemd service files were supplied with old DBus bus name. After
> +service activation systemd was waiting for appearance of specified bus
> +name to consider it started successfully. However, if wpa_supplicant was
> +compiled only with new dbus interface name, then systemd didn't notice
> +configured (old) DBus bus name appearance. In the end service was
> +considered malfunctioning and it was deactivated.
> +
> +Update systemd service BusName property according to supported DBus
> +interface version.

  If you send this patch upstream before posting a v4, please include a 
reference to the upstream mailing list message (or better yet, the commit :-)

> +
> +Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
> +---
> + wpa_supplicant/Makefile                          | 8 ++++++--
> + wpa_supplicant/systemd/wpa_supplicant.service.in | 4 ++--
> + 2 files changed, 8 insertions(+), 4 deletions(-)
> +
> +diff --git a/wpa_supplicant/Makefile b/wpa_supplicant/Makefile
> +index ad9ead9..fbd1b25 100644
> +--- a/wpa_supplicant/Makefile
> ++++ b/wpa_supplicant/Makefile
> +@@ -1374,6 +1374,7 @@ ifndef DBUS_INCLUDE
> + DBUS_INCLUDE := $(shell $(PKG_CONFIG) --cflags dbus-1)
> + endif
> + DBUS_CFLAGS += $(DBUS_INCLUDE)
> ++DBUS_INTERFACE=fi.epitest.hostap.WPASupplicant

  Coding style in this file is with spaces around the =

  Otherwise, the patch looks good to me. Since the spaces are just a triviality:

Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

  Regards,
  Arnout

> + endif
> +
> + ifdef CONFIG_CTRL_IFACE_DBUS_NEW
> +@@ -1399,6 +1400,7 @@ DBUS_OBJS += dbus/dbus_new_introspect.o
> + DBUS_CFLAGS += -DCONFIG_CTRL_IFACE_DBUS_INTRO
> + endif
> + DBUS_CFLAGS += $(DBUS_INCLUDE)
> ++DBUS_INTERFACE=fi.w1.wpa_supplicant1
> + endif
> +
> + ifdef DBUS
> +@@ -1760,11 +1762,13 @@ else
> + endif
> +
> + %.service: %.service.in
> +-	$(Q)sed -e 's|\@BINDIR\@|$(BINDIR)|g' $< >$@
> ++	$(Q)sed -e 's|\@BINDIR\@|$(BINDIR)|g' \
> ++		-e 's|\@DBUS_INTERFACE\@|$(DBUS_INTERFACE)|g' $< >$@
> + 	@$(E) "  sed" $<
> +
> + %@.service: %.service.arg.in
> +-	$(Q)sed -e 's|\@BINDIR\@|$(BINDIR)|g' $< >$@
> ++	$(Q)sed -e 's|\@BINDIR\@|$(BINDIR)|g' \
> ++		-e 's|\@DBUS_INTERFACE\@|$(DBUS_INTERFACE)|g' $< >$@
> + 	@$(E) "  sed" $<
> +
> + wpa_supplicant.exe: wpa_supplicant
> +diff --git a/wpa_supplicant/systemd/wpa_supplicant.service.in b/wpa_supplicant/systemd/wpa_supplicant.service.in
> +index ea964ce..bc5d49a 100644
> +--- a/wpa_supplicant/systemd/wpa_supplicant.service.in
> ++++ b/wpa_supplicant/systemd/wpa_supplicant.service.in
> +@@ -5,9 +5,9 @@ Wants=network.target
> +
> + [Service]
> + Type=dbus
> +-BusName=fi.epitest.hostap.WPASupplicant
> ++BusName=@DBUS_INTERFACE@
> + ExecStart=@BINDIR@/wpa_supplicant -u
> +
> + [Install]
> + WantedBy=multi-user.target
> +-Alias=dbus-fi.epitest.hostap.WPASupplicant.service
> ++Alias=dbus- at DBUS_INTERFACE@.service
> +--
> +2.8.0
> +
>


-- 
Arnout Vandecappelle                          arnout at mind be
Senior Embedded Software Architect            +32-16-286500
Essensium/Mind                                http://www.mind.be
G.Geenslaan 9, 3001 Leuven, Belgium           BE 872 984 063 RPR Leuven
LinkedIn profile: http://www.linkedin.com/in/arnoutvandecappelle
GPG fingerprint:  7493 020B C7E3 8618 8DEC 222C 82EB F404 F9AC 0DDF