| # Utilities and shortcuts for recipes providing D-Bus services. |
| # Variables: |
| # DBUS_PACKAGES ?= "${PN}" |
| # The list of packages to which files should be added. |
| # |
| # DBUS_SERVICE:${PN} += "org.openbmc.Foo.service" |
| # A list of dbus service names. The class will look for a |
| # dbus configuration file with the same base name with .conf |
| # appended. If one is found, it is added to the package |
| # and used verbatim. If it is not found, a default one |
| # (with very open permissions) is generated and used. |
| # |
| # Additionally the class will instantiate obmc-phosphor-systemd |
| # with any SYSTEMD_SERVICE:%s variables translated appropriately. |
| # |
| # If a service begins with 'dbus-' DBus activation will be |
| # configured. The class will look for an activation file |
| # with the 'dbus-' prefix removed. If found, it is added to |
| # the package and used verbatim. If it is not found, a default |
| # one is generated and used. |
| |
| |
| inherit dbus-dir |
| inherit obmc-phosphor-utils |
| |
| RDEPENDS:${PN}:append:class-target = " dbus-perms" |
| DBUS_PACKAGES ?= "${PN}" |
| |
| _INSTALL_DBUS_CONFIGS="" |
| _DEFAULT_DBUS_CONFIGS="" |
| _INSTALL_DBUS_ACTIVATIONS="" |
| _DEFAULT_DBUS_ACTIVATIONS="" |
| |
| |
| python dbus_do_postinst() { |
| def make_default_dbus_config(d, unit, user): |
| bus = unit.base |
| if unit.is_template: |
| bus = '%s*' % bus |
| |
| path = d.getVar('D', True) |
| path += d.getVar('dbus_system_confdir', True) |
| with open('%s/%s.conf' % (path, unit.base), 'w+') as fd: |
| fd.write('<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"\n') |
| fd.write(' "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">\n') |
| fd.write('<busconfig>\n') |
| fd.write(' <policy user="%s">\n' % user) |
| fd.write(' <allow own="%s"/>\n' % bus) |
| fd.write(' <allow send_destination="%s"/>\n' % bus) |
| fd.write(' </policy>\n') |
| fd.write('</busconfig>\n') |
| fd.close() |
| |
| |
| def make_default_dbus_activation(d, unit, user): |
| dest = unit.base |
| sd_unit = unit.name |
| if unit.is_instance: |
| dest = '%s.%s' % (unit.base, unit.instance) |
| sd_unit = '%s@%s' % (unit.base, unit.instance) |
| |
| path = d.getVar('D', True) |
| path += d.getVar('dbus_system_servicesdir', True) |
| with open('%s/%s.service' % (path, dest), 'w+') as fd: |
| fd.write('[D-BUS Service]\n') |
| fd.write('Name=%s\n' % dest) |
| fd.write('Exec=/bin/false\n') |
| fd.write('User=%s\n' % user) |
| fd.write('SystemdService=dbus-%s.service\n' % sd_unit) |
| fd.close() |
| |
| |
| for service_user in listvar_to_list(d, '_DEFAULT_DBUS_CONFIGS'): |
| service, user = service_user.split(':') |
| make_default_dbus_config(d, SystemdUnit(service), user) |
| for service_user in listvar_to_list(d, '_DEFAULT_DBUS_ACTIVATIONS'): |
| service, user = service_user.split(':') |
| make_default_dbus_activation(d, SystemdUnit(service), user) |
| } |
| |
| |
| python() { |
| searchpaths = d.getVar('FILESPATH', True) |
| |
| def get_user(d, service, pkg): |
| user = d.getVar( |
| 'SYSTEMD_USER_%s' % service, True) |
| if user is None: |
| user = d.getVar( |
| 'SYSTEMD_USER_%s' % pkg, True) or 'root' |
| return user |
| |
| |
| def add_dbus_config(d, unit, pkg): |
| path = bb.utils.which(searchpaths, '%s.conf' % unit.base) |
| if not os.path.isfile(path): |
| user = get_user(d, unit.name, pkg) |
| set_doappend(d, '_DEFAULT_DBUS_CONFIGS', '%s:%s' % ( |
| unit.name, user)) |
| else: |
| set_doappend(d, 'SRC_URI', 'file://%s.conf' % unit.base) |
| set_doappend(d, '_INSTALL_DBUS_CONFIGS', '%s.conf' % unit.base) |
| set_doappend(d, 'FILES:%s' % pkg, '%s%s.conf' \ |
| % (d.getVar('dbus_system_confdir', True), unit.base)) |
| |
| |
| def add_dbus_activation(d, unit, pkg): |
| if not unit.is_activated or unit.is_template: |
| return |
| search_match = '%s.service' % unit.base |
| if unit.is_instance: |
| search_match = '%s.%s.service' % (unit.base, unit.instance) |
| |
| path = bb.utils.which(searchpaths, search_match) |
| |
| if not os.path.isfile(path): |
| user = get_user(d, unit.base, pkg) |
| set_doappend(d, '_DEFAULT_DBUS_ACTIVATIONS', '%s:%s' % ( |
| unit.name, user)) |
| else: |
| set_doappend(d, 'SRC_URI', 'file://%s' % search_match) |
| set_doappend(d, '_INSTALL_DBUS_ACTIVATIONS', search_match) |
| set_doappend(d, 'FILES:%s' % pkg, '%s%s' \ |
| % (d.getVar('dbus_system_servicesdir', True), search_match)) |
| |
| |
| if d.getVar('CLASSOVERRIDE', True) != 'class-target': |
| return |
| |
| d.appendVarFlag('do_install', 'postfuncs', ' dbus_do_postinst') |
| |
| for pkg in listvar_to_list(d, 'DBUS_PACKAGES'): |
| if pkg not in (d.getVar('SYSTEMD_PACKAGES', True) or ''): |
| set_doappend(d, 'SYSTEMD_PACKAGES', pkg) |
| |
| svc = listvar_to_list(d, 'DBUS_SERVICE:%s' % pkg) |
| svc = [SystemdUnit(x) for x in svc] |
| inst = [x for x in svc if x.is_instance] |
| tmpl = [x.template for x in svc if x.is_instance] |
| tmpl = list(set(tmpl)) |
| tmpl = [SystemdUnit(x) for x in tmpl] |
| svc = [x for x in svc if not x.is_instance] |
| |
| for unit in inst: |
| set_doappend( |
| d, 'SYSTEMD_SERVICE:%s' % pkg, unit.name) |
| |
| for unit in tmpl + svc: |
| add_dbus_config(d, unit, pkg) |
| add_dbus_activation(d, unit, pkg) |
| set_doappend( |
| d, 'SYSTEMD_SERVICE:%s' % pkg, unit.name) |
| set_doappend(d, 'SYSTEMD_SUBSTITUTIONS', |
| 'BUSNAME:%s:%s' % (unit.base, unit.name)) |
| } |
| |
| |
| do_install:append() { |
| # install the dbus configuration files |
| [ -z "${_INSTALL_DBUS_CONFIGS}" ] && \ |
| [ -z "${_DEFAULT_DBUS_CONFIGS}" ] || \ |
| install -d ${D}${dbus_system_confdir} |
| for c in ${_INSTALL_DBUS_CONFIGS}; do |
| install -m 0644 ${WORKDIR}/$c \ |
| ${D}${dbus_system_confdir}$c |
| done |
| # install the dbus activation files |
| [ -z "${_INSTALL_DBUS_ACTIVATIONS}" ] && \ |
| [ -z "${_DEFAULT_DBUS_ACTIVATIONS}" ] || \ |
| install -d ${D}${dbus_system_servicesdir} |
| for s in ${_INSTALL_DBUS_ACTIVATIONS}; do |
| install -m 0644 ${WORKDIR}/$s\ |
| ${D}${dbus_system_servicesdir}$s |
| done |
| } |
| |
| inherit obmc-phosphor-systemd |