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* SBUS: Add destructor data to sbus_connectionFabiano Fidêncio2017-01-231-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | This additions has a very specific reason: unregister a service when it's shutdown. So far, we never had to do this kind of operation because the services were started during SSSD's startup when finished when SSSD finished. Now, with the socket-activation in place the game will be a little bit different as the services will have an idle timeout and will be able shut themselves down. In order to do it properly the monitor will need to "unregister" the service and there's no way to do that without adding this destructor data to the sbus_connection structure and introducing a new function to access it from the monitor (where we're going to set the destructor function to the sbus_connection for the socket-activated services). So far it's not being used anywhere as every function taking it as parameter is just receiving NULL, but it will be used in the follow up commits, by the monitor. Related: https://fedorahosted.org/sssd/ticket/3245 Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com> Reviewed-by: Pavel Březina <pbrezina@redhat.com> Reviewed-by: Jakub Hrozek <jhrozek@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* PROXY: Adding proxy_max_children optionPetr Cech2016-09-131-2/+20
| | | | | | | | | | | The new option 'proxy_max_children' is applicable in domain section. Default value is 10. Resolves: https://fedorahosted.org/sssd/ticket/3153 Reviewed-by: Fabiano Fidêncio <fidencio@redhat.com> Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* DP: rename be_acct_req to dp_id_dataPavel Březina2016-07-151-1/+1
| | | | Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* DP: Switch to new interfacePavel Březina2016-06-201-427/+248
| | | | | | Reviewed-by: Sumit Bose <sbose@redhat.com> Reviewed-by: Jakub Hrozek <jhrozek@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* PROXY: proxy_child should work in non-root modeLukas Slebodnik2015-05-311-1/+1
| | | | | | | | | | | | | | | | | | | According to design page[1], proxy_child should run with root privileges in non-root mode however proxy_child did not have setuid bit. After setting setuid bit proxy_child will be executed with extra privileges. The effective user ID will be 0 but effective group ID will be still the same as egid of sssd_be. Therefore gid of private pipe for proxy_child should be the same. Otherwise proxy_child will fail due to wrong permissions of unix pipe (sbus_client_init -> check_file) [1] https://fedorahosted.org/sssd/wiki/DesignDocs/NotRootSSSD Resolves: https://fedorahosted.org/sssd/ticket/2655 Reviewed-by: Michal Židek <mzidek@redhat.com>
* PROXY: Fix use after freeLukas Slebodnik2015-01-291-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The dbus_req and associated talloc context are no longer valid after execution of the function sbus_request_return_and_finish even if error code was returned. ==32479== Invalid read of size 8 ==32479== at 0x131F275F: client_registration (proxy_init.c:474) ==32479== by 0x529709E: sbus_request_invoke_or_finish (sssd_dbus_request.c:69) ==32479== by 0x52949B3: sbus_handler_got_caller_id (sssd_dbus_connection.c:555) ==32479== by 0x89B27E3: tevent_common_loop_immediate (tevent_immediate.c:135) ==32479== by 0x89B70CD: epoll_event_loop_once (tevent_epoll.c:907) ==32479== by 0x89B57D6: std_event_loop_once (tevent_standard.c:114) ==32479== by 0x89B1FBC: _tevent_loop_once (tevent.c:530) ==32479== by 0x89B215A: tevent_common_loop_wait (tevent.c:634) ==32479== by 0x89B5776: std_event_loop_wait (tevent_standard.c:140) ==32479== by 0x529E255: server_loop (server.c:668) ==32479== by 0x40DBC5: main (data_provider_be.c:2915) ==32479== Address 0xb700858 is 104 bytes inside a block of size 136 free'd ==32479== at 0x4C2AD17: free (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so) ==32479== by 0x8BBE462: _talloc_free (in /usr/lib64/libtalloc.so.2.1.1) ==32479== by 0x52971A4: sbus_request_finish (sssd_dbus_request.c:95) ==32479== by 0x529731A: sbus_request_return_and_finish (sssd_dbus_request.c:119) ==32479== by 0x131F264D: client_registration (proxy_init.c:443) ==32479== by 0x529709E: sbus_request_invoke_or_finish (sssd_dbus_request.c:69) ==32479== by 0x52949B3: sbus_handler_got_caller_id (sssd_dbus_connection.c:555) ==32479== by 0x89B27E3: tevent_common_loop_immediate (tevent_immediate.c:135) ==32479== by 0x89B70CD: epoll_event_loop_once (tevent_epoll.c:907) ==32479== by 0x89B57D6: std_event_loop_once (tevent_standard.c:114) ==32479== by 0x89B1FBC: _tevent_loop_once (tevent.c:530) ==32479== by 0x89B215A: tevent_common_loop_wait (tevent.c:634) Resolves: https://fedorahosted.org/sssd/ticket/2573 Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* sbus: add new iface via sbus_conn_register_iface()Pavel Březina2015-01-231-9/+2
| | | | | | | | | | | | | | | | | | | Rename sbus_conn_add_interface() to sbus_conn_register_iface() and remove sbus_new_interface() calls since it is just one more unnecessary call outside the sbus code. The function sbus_new_interface() is made static and used directly in sbus_conn_register_iface(). The name was chosen to better describe what the function is doing. That it registers an interface on a given object path. The same interface can be used with different paths so it is not really about adding an interface. Preparation for: https://fedorahosted.org/sssd/ticket/2339 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* SBUS: Chown the sbus socket if neededJakub Hrozek2014-10-221-1/+1
| | | | | | | | | When setting up the sbus server, we might need to chown the sbus socket to make sure non-root peers, running as the SSSD user are able to access the file. Reviewed-by: Pavel Reichl <preichl@redhat.com> Reviewed-by: Simo Sorce <simo@redhat.com>
* sbus: Add the sbus_request_parse_or_finish() methodStef Walter2014-03-141-14/+5
| | | | | | | | | | | | | | | | | | | | | | Some DBus types returned from dbus_message_get_args() require memory to be released when done. We automatically attach these to the talloc struct sbus_request memory context in this function. This accepts varargs similar to dbus_message_get_args(), which are rather awkward. However instead of reworking them completely, future generated marshalling code will replace most uses of these varargs. If parsing the dbus message fails, then it responds to the DBus caller with an appropriate error such as o.f.D.Error.InvalidArgs. In these cases (ie: when it returns FALSE) the sbus_request is finished. Migrated some, but not all, uses of dbus_message_get_args() to the new function. Some instances have uncommon semantics such as terminating the connection upon failure to parse a message. Reviewed-by: Jakub Hrozek <jhrozek@redhat.com> Reviewed-by: Pavel Březina <pbrezina@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* sbus: Refactor how we export DBus interfacesStef Walter2014-03-141-13/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Most importantly, stop using per connection private data. This doesn't scale when you have more than one thing exporting or exported on a connection. Remove struct sbus_interface and expand sbus_conn_add_interface() function. Remove various struct sbus_interface args to connection initialization functions and make callers use sbus_conn_add_interface() directly. The old method was optimized for exporting one interface on a connection. We'll have connections that export zero, one or more interfaces. To export an interface on a DBus server, call sbus_conn_add_interface() from within the sbus_server_conn_init_fn. To export an interface on a DBus client, call sbus_conn_add_interface() after sbus_new_connection() returns. As before struct sbus_interface represents an object exported via DBus. However it is now talloc allocated. One can set instance data on the struct sbus_interface. This instance data is passed to the various handlers and used in their implementation. However, we now have type safe interface exporting in the various high level sss_process_init() sss_monitor_init() and so on. Introspection support was not in use, and is now gone until we implement it using the metadata (future patch). Reviewed-by: Jakub Hrozek <jhrozek@redhat.com> Reviewed-by: Pavel Březina <pbrezina@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* sbus: Add struct sbus_request to represent a DBus invocationStef Walter2014-03-141-25/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | struct sbus_request represents a request from a dbus client being handled by a dbus server implementation. The struct contains the message, connection and method (and in the future teh property) which is being requested. In the future it will contain caller information as well. sbus_request is a talloc memory context, and is a good place to attach any allocations and memory specific to the request. Each handler accepts an sbus_request. If a handler returns EOK, it is assumed that the handler will finish the request. Any of the sbus_request_*finish() methods can be used to complete the request and send back a reply. sbus_request_return_and_finish() uses the same argument varargs syntax as dbus_message_append_args(), which isn't a great syntax. Document it a bit, but don't try to redesign: The marshalling work (will follow this patch set) will remove the need to use varargs for most DBus implementation code. This patch migrates the monitor and data provider dbus code to use sbus_request, but does not try to rework the talloc context's to use it. Reviewed-by: Jakub Hrozek <jhrozek@redhat.com> Reviewed-by: Pavel Březina <pbrezina@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* sbus: Rework sbus to use interface metadata and vtablesStef Walter2014-02-241-6/+10
| | | | | | | | | | | | | | | | | | | | Previous commits added support for interface metadata and handler vtables. This commit ports sbus_dbus_connection to use them. Port the internal uses of dbus to use the new scheme in a very minimal way. Further cleanup is possible here. This commit provides basic definitions of the internal dbus interfaces. The interfaces aren't fully defined, as the handlers will continue to unpack manually, and often overload DBus methods with different arguments (which is rather unorthodox, but not the end of the world). Reviewed-by: Jakub Hrozek <jhrozek@redhat.com> Reviewed-by: Sumit Bose <sbose@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com> Reviewed-by: Simo Sorce <simo@redhat.com>
* Update DEBUG* invocations to use new levelsNikolai Kondrashov2014-02-121-32/+53
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use a script to update DEBUG* macro invocations, which use literal numbers for levels, to use bitmask macros instead: grep -rl --include '*.[hc]' DEBUG . | while read f; do mv "$f"{,.orig} perl -e 'use strict; use File::Slurp; my @map=qw" SSSDBG_FATAL_FAILURE SSSDBG_CRIT_FAILURE SSSDBG_OP_FAILURE SSSDBG_MINOR_FAILURE SSSDBG_CONF_SETTINGS SSSDBG_FUNC_DATA SSSDBG_TRACE_FUNC SSSDBG_TRACE_LIBS SSSDBG_TRACE_INTERNAL SSSDBG_TRACE_ALL "; my $text=read_file(\*STDIN); my $repl; $text=~s/ ^ ( .* \b (DEBUG|DEBUG_PAM_DATA|DEBUG_GR_MEM) \s* \(\s* )( [0-9] )( \s*, ) ( \s* ) ( .* ) $ / $repl = $1.$map[$3].$4.$5.$6, length($repl) <= 80 ? $repl : $1.$map[$3].$4."\n".(" " x length($1)).$6 /xmge; print $text; ' < "$f.orig" > "$f" rm "$f.orig" done Reviewed-by: Jakub Hrozek <jhrozek@redhat.com> Reviewed-by: Stephen Gallagher <sgallagh@redhat.com> Reviewed-by: Simo Sorce <simo@redhat.com>
* Make DEBUG macro invocations variadicNikolai Kondrashov2014-02-121-49/+49
| | | | | | | | | | | | | | | | | | | | | | | | Use a script to update DEBUG macro invocations to use it as a variadic macro, supplying format string and its arguments directly, instead of wrapping them in parens. This script was used to update the code: grep -rwl --include '*.[hc]' DEBUG . | while read f; do mv "$f"{,.orig} perl -e \ 'use strict; use File::Slurp; my $text=read_file(\*STDIN); $text=~s#(\bDEBUG\s*\([^(]+)\((.*?)\)\s*\)\s*;#$1$2);#gs; print $text;' < "$f.orig" > "$f" rm "$f.orig" done Reviewed-by: Jakub Hrozek <jhrozek@redhat.com> Reviewed-by: Stephen Gallagher <sgallagh@redhat.com> Reviewed-by: Simo Sorce <simo@redhat.com>
* Fix formating of variables with type: id_tLukas Slebodnik2013-09-111-0/+2
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* Fix formating of variables with type defined in stdint.hLukas Slebodnik2013-09-111-1/+2
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* Add be_req_get_be_ctx() helper.Simo Sorce2013-01-211-1/+2
| | | | In preparation for making be_req opaque
* Introduce be_req_terminate() helperSimo Sorce2013-01-211-2/+2
| | | | | Call it everywhere instead of directly dereferencing be_req->fn This is in preparation of making be_req opaque.
* proxy: new option proxy_fast_aliasJakub Hrozek2012-04-201-0/+4
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* NSS: Add individual timeouts for entry typesStephen Gallagher2012-02-041-5/+0
| | | | https://fedorahosted.org/sssd/ticket/1016
* PROXY: add support for enumerating servicesStephen Gallagher2012-01-271-0/+33
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* PROXY: add support for service lookups (non-enumeration)Stephen Gallagher2012-01-271-0/+22
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* Append PID to sbus server socket name, let clients use a symlinkJakub Hrozek2011-10-131-1/+1
| | | | https://fedorahosted.org/sssd/ticket/1034
* Fix memory leak of library handle in proxySumit Bose2010-12-151-18/+25
| | | | https://fedorahosted.org/sssd/ticket/733
* Run checks before resetting offline stateSumit Bose2010-12-011-1/+2
| | | | | | | | | | | | Before setting the backend to online during a reset offline request the check_online method if the ID provider is called. If the check_online method returns that the ID provider is still not reachable the backend stays offline. Otherwise the backend is switched to online and the related callbacks are run. Additionally the check online test is called during the res_init request because a change in /etc/resolve.conf might also make a server reachable which was assumed offline before.
* Add netgroups infrastructure to proxy providerSumit Bose2010-10-251-0/+22
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* Split proxy.c into smaller filesStephen Gallagher2010-06-301-0/+482
proxy.c was growing too large to manage (and some graphical development tools could no longer open it because of memory limitations). This patch splits proxy.c into the following files: proxy_init.c: Setup routines for the plugin proxy_id.c: Functions to handle user and group lookups proxy_auth.c: Functions to handle PAM interactions proxy_common.c: Common utility routines
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