Hi Damodar, On Tue, Oct 29, 2024 at 1:21 AM Damodar Reddy GangiReddy <quic_dgangire@xxxxxxxxxxx> wrote: > > Hi Luiz, > > On 10/24/2024 8:33 PM, Luiz Augusto von Dentz wrote: > > Hi, > > > > On Tue, Jul 23, 2024 at 7:25 AM <quic_dgangire@xxxxxxxxxxx> wrote: > >> > >> From: Damodar Reddy GangiReddy <quic_dgangire@xxxxxxxxxxx> > >> > >> Currently obexd uses session bus. > >> Distros where session bus is not supported and still obex profiles > >> are required in that case use system bus instead of session bus > >> which can be configured with new optional feature > > > > Well system bus is normally used by daemon that require root(like) > > access, having obexd running as a system service is sort of dangerous > > since it means remote access as root to part of the filesystem > > (similar to allowing FTP access as root user). > > > >> Additional optional feature has been added to achieve this > >> with name --enable-use-systembus-for-obexd > >> > >> steps to configure system bus > >> ./configure --enable-use-systembus-for-obexd > > > > If we allow such a thing I'd like to have it as a runtime option, not > > just as a build-time one, since we might want to be able to run obexd > > under test-runner for testing automation, but for example the > > test-runner environment currently doesn't start any session bus. > > > To Have it as a runtime option. > Can we add something similarly as below to achieve it at runtime > in the obexd main.c file. Like obexd -d > -d, --debug=DEBUG Enable debug information output > > Our Approach: (Not precise we will give proper name convention) > -b --bus=system Use System bus > -s --bus=session Use Session bus You just need one option for setting it to use system bus, session shall remain the default, but we probably need to document that the system option requires root access and shall be used with care. > I'd like to have it as a runtime option, not > just as a build-time one? > Ideally we should be setting configuration at runtime or compile time > but not at both right.? > > Suppose at compile time we use --enable-use-systembus-for-obexd which means > system bus is configured. But at run time we say it to use session bus. > How to handle this scenario and which should be priority? > > If our Understanding is not clear.Please ellaborate more on how to achieve it. No need to have a built-time option since the default should remain to be the session bus. > > Btw, if you guys are after a stable environment for test > > automation/qualification I highly recommend looking into the > > test-runner: > > > > https://github.com/bluez/bluez/blob/master/doc/test-runner.rst > > > >> --- > >> Makefile.obexd | 14 ++++++++++++++ > >> configure.ac | 9 +++++++++ > >> obexd/client/ftp.c | 3 ++- > >> obexd/client/map.c | 3 ++- > >> obexd/client/opp.c | 3 ++- > >> obexd/client/pbap.c | 3 ++- > >> obexd/client/session.c | 3 ++- > >> obexd/client/sync.c | 3 ++- > >> obexd/plugins/pcsuite.c | 3 ++- > >> obexd/src/manager.c | 3 ++- > >> src/bluetooth.conf | 12 ++++++++++++ > >> tools/obexctl.c | 3 ++- > >> 12 files changed, 53 insertions(+), 9 deletions(-) > >> > >> diff --git a/Makefile.obexd b/Makefile.obexd > >> index b7e9f2d33..87432cc37 100644 > >> --- a/Makefile.obexd > >> +++ b/Makefile.obexd > >> @@ -2,6 +2,19 @@ > >> if OBEX > >> > >> if SYSTEMD > >> + > >> +if USE_SYSTEMBUS_FOR_OBEXD > >> + > >> +systemdsystemunit_DATA += obexd/src/obex.service > >> +dbussystembus_DATA += obexd/src/org.bluez.obex.service > >> + > >> +obexd-add-service-symlink: > >> + $(LN_S) -f obex.service $(DESTDIR)$(SYSTEMD_SYSTEMUNITDIR)/dbus-org.bluez.obex.service > >> + > >> +obexd-remove-service-symlink: > >> + rm -f $(DESTDIR)$(SYSTEMD_SYSTEMUNITDIR)/dbus-org.bluez.obex.service > >> +else > >> + > >> systemduserunitdir = $(SYSTEMD_USERUNITDIR) > >> systemduserunit_DATA = obexd/src/obex.service > >> > >> @@ -13,6 +26,7 @@ obexd-add-service-symlink: > >> > >> obexd-remove-service-symlink: > >> rm -f $(DESTDIR)$(SYSTEMD_USERUNITDIR)/dbus-org.bluez.obex.service > >> +endif > >> else > >> obexd-add-service-symlink: > >> obexd-remove-service-symlink: > >> diff --git a/configure.ac b/configure.ac > >> index d31eb1656..cc9a55f4c 100644 > >> --- a/configure.ac > >> +++ b/configure.ac > >> @@ -283,6 +283,15 @@ if (test "${enable_obex}" != "no"); then > >> fi > >> AM_CONDITIONAL(OBEX, test "${enable_obex}" != "no") > >> > >> +AC_ARG_ENABLE(use-systembus-for-obexd, AS_HELP_STRING([--enable-use-systembus-for-obexd], > >> + [enable systembus for obexd]), [enable_use_systembus_for_obexd=${enableval}]) > >> +AM_CONDITIONAL(USE_SYSTEMBUS_FOR_OBEXD, test "${enable_use_systembus_for_obexd}" = "yes") > >> +if (test "${enable_use_systembus_for_obexd}" = "yes"); then > >> + AC_DEFINE(USE_SYSTEMBUS_FOR_OBEXD, 1, [Define to 1 if you want to use system bus for obexd.]) > >> +else > >> + AC_DEFINE(USE_SYSTEMBUS_FOR_OBEXD, 0, [Define to 0 if you want to use session bus for obexd.]) > >> +fi > >> + > >> AC_ARG_ENABLE(btpclient, AS_HELP_STRING([--enable-btpclient], > >> [enable BTP client]), [enable_btpclient=${enableval}]) > >> AM_CONDITIONAL(BTPCLIENT, test "${enable_btpclient}" = "yes") > >> diff --git a/obexd/client/ftp.c b/obexd/client/ftp.c > >> index 160e0636a..e3cef32f6 100644 > >> --- a/obexd/client/ftp.c > >> +++ b/obexd/client/ftp.c > >> @@ -463,7 +463,8 @@ int ftp_init(void) > >> > >> DBG(""); > >> > >> - conn = dbus_bus_get(DBUS_BUS_SESSION, NULL); > >> + conn = dbus_bus_get(USE_SYSTEMBUS_FOR_OBEXD ? > >> + DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, NULL); > >> if (!conn) > >> return -EIO; > >> > >> diff --git a/obexd/client/map.c b/obexd/client/map.c > >> index 513dcaf14..815806f52 100644 > >> --- a/obexd/client/map.c > >> +++ b/obexd/client/map.c > >> @@ -2063,7 +2063,8 @@ int map_init(void) > >> > >> DBG(""); > >> > >> - conn = dbus_bus_get(DBUS_BUS_SESSION, NULL); > >> + conn = dbus_bus_get(USE_SYSTEMBUS_FOR_OBEXD ? > >> + DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, NULL); > >> if (!conn) > >> return -EIO; > >> > >> diff --git a/obexd/client/opp.c b/obexd/client/opp.c > >> index 90d0c0c8e..4889a3a0f 100644 > >> --- a/obexd/client/opp.c > >> +++ b/obexd/client/opp.c > >> @@ -178,7 +178,8 @@ int opp_init(void) > >> > >> DBG(""); > >> > >> - conn = dbus_bus_get(DBUS_BUS_SESSION, NULL); > >> + conn = dbus_bus_get(USE_SYSTEMBUS_FOR_OBEXD ? > >> + DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, NULL); > >> if (!conn) > >> return -EIO; > >> > >> diff --git a/obexd/client/pbap.c b/obexd/client/pbap.c > >> index 2d2aa9508..1658c853a 100644 > >> --- a/obexd/client/pbap.c > >> +++ b/obexd/client/pbap.c > >> @@ -1303,7 +1303,8 @@ int pbap_init(void) > >> > >> DBG(""); > >> > >> - conn = dbus_bus_get(DBUS_BUS_SESSION, NULL); > >> + conn = dbus_bus_get(USE_SYSTEMBUS_FOR_OBEXD ? > >> + DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, NULL); > >> if (!conn) > >> return -EIO; > >> > >> diff --git a/obexd/client/session.c b/obexd/client/session.c > >> index 7d8ebb04e..4e447e8eb 100644 > >> --- a/obexd/client/session.c > >> +++ b/obexd/client/session.c > >> @@ -583,7 +583,8 @@ struct obc_session *obc_session_create(const char *source, > >> if (driver == NULL) > >> return NULL; > >> > >> - conn = dbus_bus_get(DBUS_BUS_SESSION, NULL); > >> + conn = dbus_bus_get(USE_SYSTEMBUS_FOR_OBEXD ? > >> + DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, NULL); > >> if (conn == NULL) > >> return NULL; > >> > >> diff --git a/obexd/client/sync.c b/obexd/client/sync.c > >> index 92faf4434..bd339adfa 100644 > >> --- a/obexd/client/sync.c > >> +++ b/obexd/client/sync.c > >> @@ -224,7 +224,8 @@ int sync_init(void) > >> > >> DBG(""); > >> > >> - conn = dbus_bus_get(DBUS_BUS_SESSION, NULL); > >> + conn = dbus_bus_get(USE_SYSTEMBUS_FOR_OBEXD ? > >> + DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, NULL); > >> if (!conn) > >> return -EIO; > >> > >> diff --git a/obexd/plugins/pcsuite.c b/obexd/plugins/pcsuite.c > >> index 07c444ff2..5daed2abb 100644 > >> --- a/obexd/plugins/pcsuite.c > >> +++ b/obexd/plugins/pcsuite.c > >> @@ -322,7 +322,8 @@ static gboolean send_backup_dbus_message(const char *oper, > >> > >> file_size = size ? *size : 0; > >> > >> - conn = g_dbus_setup_bus(DBUS_BUS_SESSION, NULL, NULL); > >> + conn = g_dbus_setup_bus(USE_SYSTEMBUS_FOR_OBEXD ? > >> + DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, NULL, NULL); > >> > >> if (conn == NULL) > >> return FALSE; > >> diff --git a/obexd/src/manager.c b/obexd/src/manager.c > >> index 3c0c2a7cc..dd83f056d 100644 > >> --- a/obexd/src/manager.c > >> +++ b/obexd/src/manager.c > >> @@ -488,7 +488,8 @@ gboolean manager_init(void) > >> > >> dbus_error_init(&err); > >> > >> - connection = g_dbus_setup_bus(DBUS_BUS_SESSION, OBEXD_SERVICE, &err); > >> + connection = g_dbus_setup_bus(USE_SYSTEMBUS_FOR_OBEXD ? > >> + DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, OBEXD_SERVICE, &err); > >> if (connection == NULL) { > >> if (dbus_error_is_set(&err) == TRUE) { > >> fprintf(stderr, "%s\n", err.message); > >> diff --git a/src/bluetooth.conf b/src/bluetooth.conf > >> index b6c614908..f8879c8bb 100644 > >> --- a/src/bluetooth.conf > >> +++ b/src/bluetooth.conf > >> @@ -21,10 +21,22 @@ > >> <allow send_interface="org.freedesktop.DBus.ObjectManager"/> > >> <allow send_interface="org.freedesktop.DBus.Properties"/> > >> <allow send_interface="org.mpris.MediaPlayer2.Player"/> > >> + <allow own="org.bluez.obex"/> > >> + <allow send_destination="org.bluez.obex"/> > >> + <allow send_interface="org.bluez.obex.Agent1"/> > >> + <allow send_interface="org.bluez.obex.Client1"/> > >> + <allow send_interface="org.bluez.obex.Session1"/> > >> + <allow send_interface="org.bluez.obex.Transfer1"/> > >> + <allow send_interface="org.bluez.obex.ObjectPush1"/> > >> + <allow send_interface="org.bluez.obex.PhonebookAccess1"/> > >> + <allow send_interface="org.bluez.obex.Synchronization1"/> > >> + <allow send_interface="org.bluez.obex.MessageAccess1"/> > >> + <allow send_interface="org.bluez.obex.Message1"/> > >> </policy> > >> > >> <policy context="default"> > >> <allow send_destination="org.bluez"/> > >> + <allow send_destination="org.bluez.obex"/> > >> </policy> > >> > >> </busconfig> > >> diff --git a/tools/obexctl.c b/tools/obexctl.c > >> index 56a76915c..07dc1ae6b 100644 > >> --- a/tools/obexctl.c > >> +++ b/tools/obexctl.c > >> @@ -2154,7 +2154,8 @@ int main(int argc, char *argv[]) > >> bt_shell_set_menu(&main_menu); > >> bt_shell_set_prompt(PROMPT_OFF); > >> > >> - dbus_conn = g_dbus_setup_bus(DBUS_BUS_SESSION, NULL, NULL); > >> + dbus_conn = g_dbus_setup_bus(USE_SYSTEMBUS_FOR_OBEXD ? > >> + DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, NULL, NULL); > >> > >> client = g_dbus_client_new(dbus_conn, "org.bluez.obex", > >> "/org/bluez/obex"); > >> -- > >> 2.34.1 > >> > >> > > > > > Kind Regards, > Damodar. -- Luiz Augusto von Dentz
