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ofonod: GNOME Calls backend over org.ofono for Phosh and GNOME Mobile

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imsd-ofonod presents imsd on the system bus as an oFono modem — Manager at
/, Modem + VoiceCallManager at /imsd, a VoiceCall object per call — which
is what GNOME Calls' bundled ofono provider drives; Calls, Phosh and GNOME
Shell run unmodified. org.gnome.Calls is not a seam a third party can
provide (Calls exports it, nothing feeds it), and Calls' provider plugins
link private headers, so org.ofono is the only D-Bus contract available.
Pure GDBus translation of net.catcrafts.IMS1, no core, like imsd-dialerd.

Packaged as the opt-in imsd-ofono subpackage: the daemon, its unit
(Conflicts=ofono.service), the system-bus policy and a gschema override
that points Calls at the ofono provider instead of mm (the ModemManager
origin would offer the modem's CS voice path, which carries no audio on
these phones). The policy grants root send_destination=org.ofono: under
dbus-broker a broadcast is checked against the sender's send policy for
every name the receiver owns, so without it imsd's call signals never
reach the daemon.

Verified on a Fairphone 6 with GNOME Calls 50.0: outgoing and incoming
calls with audio both ways, answered and hung up through
org.gnome.Calls.Call. Known Calls-side gap documented in the README: after
the VoiceCallManager interface is withdrawn and re-added, Calls keeps the
old origin's CallAdded handler and eventually crashes.
This commit is contained in:
Jorijn van der Graaf 2026-09-20 16:07:46 +02:00
commit b986eb3750
Signed by: jorijnvdgraaf
GPG key ID: 2937E59CDCC1BCFB
11 changed files with 1037 additions and 13 deletions
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23
packaging/APKBUILD.binary
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@ -24,8 +24,11 @@ depends="modemmanager libc++ opencore-amr vo-amrwbenc pipewire-tools"
# (fp6 journal/ims.md s57) — the two IMS stacks cannot share one PDN
provides="81voltd=$pkgver-r$pkgrel"
# no OpenRC service yet: the unit's PDN-bring-up/env-file sequencing is only
# tested under systemd; an initd is welcome once someone can verify one
subpackages="$pkgname-systemd"
# tested under systemd; an initd is welcome once someone can verify one.
# see packaging/APKBUILD: the org.ofono shim for GNOME Calls is opt-in
# (ofono before systemd: systemd() amoves all of usr/lib/systemd/system,
# so ofono() must take imsd-ofonod.service first)
subpackages="$pkgname-ofono:ofono $pkgname-systemd"
options="!check !tracedeps"
source="
imsd-$pkgver.tar.gz
@ -60,6 +63,22 @@ package() {
mkdir -p "$pkgdir"/usr/lib/systemd/system/imsd.service.d
printf '[Unit]\nConditionPathExists=/etc/imsd.env\n' \
> "$pkgdir"/usr/lib/systemd/system/imsd.service.d/10-require-config.conf
install -Dm755 imsd-ofonod "$pkgdir"/usr/bin/imsd-ofonod
install -Dm644 imsd-ofonod.service \
"$pkgdir"/usr/lib/systemd/system/imsd-ofonod.service
install -Dm644 org.ofono.conf \
"$pkgdir"/usr/share/dbus-1/system.d/imsd-ofono.conf
install -Dm644 90_imsd-ofono.gschema.override \
"$pkgdir"/usr/share/glib-2.0/schemas/90_imsd-ofono.gschema.override
}
ofono() {
pkgdesc="GNOME Calls (Phosh, GNOME Mobile) backend for imsd"
depends="$pkgname=$pkgver-r$pkgrel calls"
amove usr/bin/imsd-ofonod
amove usr/lib/systemd/system/imsd-ofonod.service
amove usr/share/dbus-1/system.d/imsd-ofono.conf
amove usr/share/glib-2.0/schemas/90_imsd-ofono.gschema.override
}
systemd() {