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2012-02-10gensec: explain gensec_use_kerberos_mechs() logicAndrew Bartlett1-1/+16
Autobuild-User: Andrew Bartlett <abartlet@samba.org> Autobuild-Date: Fri Feb 10 12:36:23 CET 2012 on sn-devel-104
2012-02-10gensec: set flag to continue in outer for loop in gensec_use_kerberos_mechsAndrew Bartlett1-1/+5
This should be the correct fix for the valgrind erorr Volker found in 744ed53a62037a659133ccd4de2065491208ae7d. This fix avoids putting SPNEGO into the list twice when we are in the CRED_DONT_USE_KERBEROS case. Andrew Bartlett
2012-02-10Revert "gensec: Fix a memory corruption in gensec_use_kerberos_mechs"Andrew Bartlett1-2/+1
This reverts commit 744ed53a62037a659133ccd4de2065491208ae7d. The real bug here is that the second half of the outer loop should not have been run once we found spnego. Andrew Bartlett
2012-02-09gensec: Fix a memory corruption in gensec_use_kerberos_mechsVolker Lendecke1-1/+2
Without this I get the following valgrind error: ==27740== Invalid write of size 8 ==27740== at 0x62C53E: gensec_use_kerberos_mechs (gensec_start.c:112) ==27740== by 0x62C623: gensec_security_mechs (gensec_start.c:141) ==27740== by 0x62C777: gensec_security_by_oid (gensec_start.c:181) ==27740== by 0x62DD6E: gensec_start_mech_by_oid (gensec_start.c:735) ==27740== by 0x50D6FD: negprot_spnego (negprot.c:210) ==27740== by 0x5B0DEA: smbd_smb2_request_process_negprot (smb2_negprot.c:209) ==27740== by 0x5AD036: smbd_smb2_request_dispatch (smb2_server.c:1417) ==27740== by 0x5AFB77: smbd_smb2_first_negprot (smb2_server.c:2643) ==27740== by 0x585C00: process_smb (process.c:1641) ==27740== by 0x587F78: smbd_server_connection_read_handler (process.c:2314) ==27740== by 0x587FD6: smbd_server_connection_handler (process.c:2331) ==27740== by 0x99E05B: run_events_poll (events.c:286) ==27740== by 0x584AFF: smbd_server_connection_loop_once (process.c:984) ==27740== by 0x58B2D9: smbd_process (process.c:3389) ==27740== by 0xDE4CA8: smbd_accept_connection (server.c:469) ==27740== by 0x99E05B: run_events_poll (events.c:286) ==27740== by 0x99E2D5: s3_event_loop_once (events.c:349) ==27740== by 0x99F990: _tevent_loop_once (tevent.c:504) ==27740== by 0xDE5A9B: smbd_parent_loop (server.c:869) ==27740== by 0xDE6DD8: main (server.c:1413) ==27740== Address 0x9ff3538 is 4,232 bytes inside a block of size 8,288 alloc'd ==27740== at 0x4C261D7: malloc (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so) ==27740== by 0x6926965: __talloc (talloc.c:560) ==27740== by 0x6926771: talloc_pool (talloc.c:598) ==27740== by 0x93B927: talloc_stackframe_internal (talloc_stack.c:145) ==27740== by 0x93B9D6: talloc_stackframe_pool (talloc_stack.c:171) ==27740== by 0x58B2B7: smbd_process (process.c:3385) ==27740== by 0xDE4CA8: smbd_accept_connection (server.c:469) ==27740== by 0x99E05B: run_events_poll (events.c:286) ==27740== by 0x99E2D5: s3_event_loop_once (events.c:349) ==27740== by 0x99F990: _tevent_loop_once (tevent.c:504) ==27740== by 0xDE5A9B: smbd_parent_loop (server.c:869) ==27740== by 0xDE6DD8: main (server.c:1413) In the for-loop we can increment j twice, so we need twice as many output array elements as input array elements. Autobuild-User: Volker Lendecke <vl@samba.org> Autobuild-Date: Thu Feb 9 19:44:47 CET 2012 on sn-devel-104
2012-01-30gensec: inline gensec_generate_session_info() into only callerAndrew Bartlett2-34/+0
This avoids casting to and from the struct auth_user_info_dc *user_info_dc to to this, the if (user_info_dc->info->authenticated) is moved into auth_generate_session_info_wrapper(), which is the function that gensec_security->auth_context->generate_session_info points to. Andrew Bartlett
2012-01-25auth/gensec_gssapi: sync gensec_gssapi_state with gse_contextStefan Metzmacher1-1/+2
Both use gss_krb5_lucid_context_v1_t now. metze Autobuild-User: Stefan Metzmacher <metze@samba.org> Autobuild-Date: Wed Jan 25 10:22:31 CET 2012 on sn-devel-104
2012-01-18auth/gensec: align common elements between gse_context and gensec_gssapi_stateAndrew Bartlett1-3/+5
Signed-off-by: Stefan Metzmacher <metze@samba.org> Autobuild-User: Stefan Metzmacher <metze@samba.org> Autobuild-Date: Wed Jan 18 19:29:40 CET 2012 on sn-devel-104
2012-01-13s3:build: add auth/gensec/spnego.oStefan Metzmacher1-0/+2
metze Autobuild-User: Stefan Metzmacher <metze@samba.org> Autobuild-Date: Fri Jan 13 06:32:30 CET 2012 on sn-devel-104
2012-01-13auth/gensec: move spnego.c to the toplevelStefan Metzmacher2-0/+1407
metze
2012-01-13auth/gensec: common helper functions should be in gensec_util.cStefan Metzmacher1-0/+116
This makes the dependencies easier to handle. metze
2012-01-13auth/gensec: add some more functions from gensec_start.c to gensec.hStefan Metzmacher2-16/+37
metze
2012-01-13auth/gensec: make sure functions from gensec.c are in gensec.hStefan Metzmacher2-5/+7
metze
2012-01-12s4:auth/gensec/spnego: add support for fragmented spnego messagesStefan Metzmacher1-1/+1
metze
2012-01-12auth/gensec: add gensec_*max_update_size()Stefan Metzmacher3-0/+22
This is only a hint for the backend, which may want to fragment update tokens. metze
2012-01-11gensec: Make sure to check the optional auth_context hooks before using themAndrew Bartlett1-1/+1
These are optional to supply - some callers only provide an auth_context for the other plugin functions, and so we need to deal with this cleanly. Andrew Bartlett Signed-off-by: Stefan Metzmacher <metze@samba.org>
2012-01-11gensec: Rename want_flags and got_flags in gensec_gssapiAndrew Bartlett1-1/+1
This make it clearer what type of flags these are. Andrew Bartlett Signed-off-by: Stefan Metzmacher <metze@samba.org>
2012-01-11gensec: make gensec_gssapi.h commonAndrew Bartlett1-0/+67
This will make it easier to share elements of the GSSAPI gensec mechs, in much the same way elements of the NTLMSSP mech are shared. Andrew Bartlett Signed-off-by: Stefan Metzmacher <metze@samba.org>
2012-01-11gensec: move gensec_util.c to the top levelAndrew Bartlett3-1/+110
To do this some defines need to move to common_auth.h Andrew Bartlett Signed-off-by: Stefan Metzmacher <metze@samba.org>
2011-12-29s4-gensec: Move parsing of the PAC blob and creating the session_info into authAndrew Bartlett1-0/+1
This uses a single callback to handle the PAC from the DATA_BLOB format until it becomes a struct auth_session_info. This allows a seperation between the GSS acceptor code and the PAC interpretation code based on the supplied auth context. Andrew Bartlett Autobuild-User: Andrew Bartlett <abartlet@samba.org> Autobuild-Date: Thu Dec 29 01:10:59 CET 2011 on sn-devel-104
2011-12-28gensec: Allow an alternate set of modules to be specifiedAndrew Bartlett2-1/+11
This will allow s3 to specify modules to use as a list, rather than needing to start the individual module with gensec_start_mech_by_ops() Andrew Bartlett
2011-12-03Revert making public of the samba-module library.Jelmer Vernooij2-8/+8
This library was tiny - containing just two public functions than were themselves trivial. The amount of overhead this causes isn't really worth the benefits of sharing the code with other projects like OpenChange. In addition, this code isn't really generically useful anyway, as it can only load from the module path set for Samba at configure time. Adding a new library was breaking the API/ABI anyway, so OpenChange had to be updated to cope with the new situation one way or another. I've added a simpler (compatible) routine for loading modules to OpenChange, which is less than 100 lines of code. Autobuild-User: Jelmer Vernooij <jelmer@samba.org> Autobuild-Date: Sat Dec 3 08:36:33 CET 2011 on sn-devel-104
2011-10-28lib/util Rename samba_modules_load -> samba_module_init_fns_for_subsystemAndrew Bartlett1-1/+1
This is to provide a cleaner namespace in the public samba plugin functions. Andrew Bartlett
2011-10-28lib/util Rename samba_init_module_fns_run -> samba_module_init_fns_runAndrew Bartlett1-2/+2
This is to provide a cleaner namespace in the public samba plugin functions. Andrew Bartlett
2011-10-28lib/util Rename samba_init_module_fn -> samba_module_init_fnAndrew Bartlett1-3/+3
This is to provide a cleaner namespace in the public samba plugin functions. Andrew Bartlett
2011-10-28lib/util Split samba-modules library into public and private partsAndrew Bartlett2-2/+2
This will allow OpenChange to get at the symbols it needs, without exposing any more of this as a public API than we must. Andrew Bartlett
2011-10-28lib/util Rename load_samba_modules -> samba_modules_loadAndrew Bartlett1-1/+1
This is to provide a cleaner namespace in the public samba plugin functions. Andrew Bartlett
2011-10-28lib/util Rename run_init_functions -> samba_init_module_fns_runAndrew Bartlett1-2/+2
This is to provide a cleaner namespace in the public samba plugin functions. Andrew Bartlett
2011-10-28lib/util Rename init_module_fn to samba_init_module_fnAndrew Bartlett1-3/+3
This prepares for making the samba_module.h header public again, for OpenChange. I am keen to avoid too much API namespace pollution if we can.
2011-10-24auth/gensec: fix missleading commentStefan Metzmacher1-1/+1
We don't talloc_reference for tsocket_addresses. metze Autobuild-User: Stefan Metzmacher <metze@samba.org> Autobuild-Date: Mon Oct 24 15:29:47 CEST 2011 on sn-devel-104
2011-10-22auth/gensec: replace #if _SAMBA_BUILD_ == 4 by a feature testStefan Metzmacher1-1/+1
metze
2011-10-18gensec: move event context from gensec_*_init() to gensec_update()Andrew Bartlett3-13/+8
This avoids keeping the event context around on a the gensec_security context structure long term. In the Samba3 server, the event context we either supply is a NULL pointer as no server-side modules currently use the event context. Andrew Bartlett Signed-off-by: Stefan Metzmacher <metze@samba.org>
2011-10-18gensec: Refuse to seal if we did not negotiate to signAndrew Bartlett1-0/+3
Signed-off-by: Stefan Metzmacher <metze@samba.org>
2011-10-18gensec: Assert that we have not been subject to a downgrade attack in ↵Andrew Bartlett3-1/+48
DCE/RPC clients Because of the calling convention, this is the best place to assert that we have not been subject to a downgrade attack on the negotiated features. (In DCE/RPC, this isn't a negotiation, the client simply specifies the level of protection that is required). Andrew Bartlett (some formatting fixes) Signed-off-by: Stefan Metzmacher <metze@samba.org>
2011-10-18gensec: an event context is no longer mandetoryAndrew Bartlett1-10/+0
If you do not specify one however, you better know that the modules you are using do not need one! Andrew Bartlett Signed-off-by: Stefan Metzmacher <metze@samba.org>
2011-10-11gensec: trim header includes back to what is actually requiredAndrew Bartlett1-8/+2
Autobuild-User: Andrew Bartlett <abartlet@samba.org> Autobuild-Date: Tue Oct 11 06:13:08 CEST 2011 on sn-devel-104
2011-10-11auth: move gensec_start.c to the top levelAndrew Bartlett3-5/+939
This does not change who uses gensec for now, but makes it possible to write new gensec modules outside source4/ Andrew Bartlett
2011-08-08build: provide tevent-util as a public libraryAndrew Bartlett1-1/+1
This is needed so that OpenChange can get at _tevent_req_nterr(), which is referenced by generated PIDL output. Andrew Bartlett
2011-08-03gensec: clarify memory ownership for gensec_session_info() and ↵Andrew Bartlett2-6/+11
gensec_session_key() This is slightly less efficient, because we no longer keep a cache on the gensec structures, but much clearer in terms of memory ownership. Both gensec_session_info() and gensec_session_key() now take a mem_ctx and put the result only on that context. Some duplication of memory in the callers (who were rightly uncertain about who was the rightful owner of the returned memory) has been removed to compensate for the internal copy. Andrew Bartlett
2011-08-03gensec: Remove mem_ctx from calls that do not return memoryAndrew Bartlett2-8/+4
Signed-off-by: Andrew Tridgell <tridge@samba.org>
2011-08-03gensec: split GENSEC into mechanism-dependent and runtime functionsAndrew Bartlett3-0/+834
The startup and runtime functions that have no dependencies are moved into the top level. Andrew Bartlett Signed-off-by: Andrew Tridgell <tridge@samba.org>
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