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50 commits

Author SHA1 Message Date
Ondřej Kuzník
003a35c62f SASL bind support 
Introduces pinned operations. When SASL bind finishes, we might still
have to maintain a link between the client an an upstream for future
bind operations if we got a SASL Bind in Progress result code. We zero
out the msgids and remember a server-unique identifer on the client and
the relevant operation that lets us retrieve that link again. This
operation is reclaimed just like anything else when connections drop.

Hopefully, this should work for LDAP TXN and VC Exop support with SASL
later as well since it allows for many-to-many links to exist.
 2020-11-17 17:58:14 +00:00
Ondřej Kuzník
1fd7249f8e RFC4511 says Binds do not abandon, send a "reset" bind instead 2020-11-17 17:58:14 +00:00
Nadezhda Ivanova
8bc7650a7c Clean ups and renames to coexist with slapd 2020-11-17 17:58:14 +00:00
Ondřej Kuzník
aecc62c08e Introduce operation timeout machinery 2020-11-17 17:58:14 +00:00
Ondřej Kuzník
8ba44630ef Factor out abandon message preparation 2020-11-17 17:58:14 +00:00
Ondřej Kuzník
1790018488 Record operation activity times 2020-11-17 17:58:14 +00:00
Ondřej Kuzník
abab7e46ad Move client related functions to client.c 2020-11-17 17:58:14 +00:00
Ondřej Kuzník
b801ca17cb Rename macros and symbols to lloadd 2020-11-17 17:58:14 +00:00
Ondřej Kuzník
7cd531c069 Improve spec conformance, logging 2020-11-17 17:58:14 +00:00
Ondřej Kuzník
0b3531066d Refactor operation_send_reject 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
8d93e0baa0 Unify connection locking and I/O 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
5fcef01d62 Switch from a global mutex 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
96b7619afc Do not unlock client unless we are destroying it 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
362d550328 Do not crash when closing both client and upstream 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
532fc1bf98 Shorten time operation_mutex is locked 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
e03c9e6fb4 Stop processing if we freed the client 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
f7cf34e69c Reset connection state on abandon 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
6140cdf6f8 Handle a client connection disconnected from op 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
cda8411c48 Close up the race 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
31074213f7 TENTATIVE: communicate more for op destroy race 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
16010e5e16 More logging improvements 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
30e538e836 Realign logging levels. 
Stats now logs all operations, stats2 additionally intermediate messages
(search entries).
 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
33a993553d Unblock the client when we can't find an upstream 
If we can't find an upstream, we keep the client around, so it needs to
be unblocked.
 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
95df8a1ec8 Adjust backend operation counting 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
545198c70d Simplify abandon processing 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
88390159a1 On connection shutdown, free op from the correct side 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
37cff37305 Manage connection refcnt better 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
05f2ac2583 Unify logging output 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
961b600a42 Rework proxyauthz handling 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
0e7792e8f3 Borrow liblber code to get abandon processing to work 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
7eeb5bb801 Forward controls correctly in the face of proxyauth 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
c228bd1160 Be consistent with bind responses on no upstream 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
1dfeca3539 Another attempt at operation/connection destroy interaction. 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
26f721510a Improve logging 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
cf05722b6c Lookup operations by saved connid. 
We reset the connection pointer on a destruction attempt, avoid the
spurious asserts.
 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
37a474b508 Fix error handling wrt. its callers 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
643194e79e Revert connection/operation mutex order. 
There was still a race where the connection could be freed as the
operation was still being used.
 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
9d66c26be5 Operation reference counting 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
837a6068e0 Rework client_read_cb along the lines of upstream 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
fba4bed6e2 connection reference counting 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
c0d254a4ce Do not leak BerElements 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
8f5bae921e Pending operation tracking and limiting 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
e5fcf17506 Save connection ids on operation for logging purposes 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
2e2c86664a There might be errors before we save the operation in c_ops 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
b6b3f35aac Fix proxyauthz handling 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
59291ba4de Proxyauthz support 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
639c5912f5 Client authentication 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
4ad8ecd45e Logging improvements 2020-11-17 17:55:46 +00:00
Ondřej Kuzník
f37e7757b1 Response handling, exploit optional bervals 2020-11-17 17:55:45 +00:00
Ondřej Kuzník
93fe1d2bab Operation parsing 2020-11-17 17:42:44 +00:00