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| * | | | | | | | | | | | | | | | | | Merged with the default branch.Sergey Kandaurov2021-03-10
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| * \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ Merged with the default branch.Sergey Kandaurov2021-02-17
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| * | | | | | | | | | | | | | | | | | | | QUIC: ngx_quic_bpf module.Vladimir Homutov2020-12-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The quic kernel bpf helper inspects packet payload for DCID, extracts key and routes the packet into socket matching the key. Due to reuseport feature, each worker owns a personal socket, which is identified by the same key, used to create DCID. BPF objects are locked in RAM and are subject to RLIMIT_MEMLOCK. The "ulimit -l" command may be used to setup proper limits, if maps cannot be created with EPERM or updated with ETOOLONG.
| * | | | | | | | | | | | | | | | | | | | Core: added interface to linux bpf() system call.Vladimir Homutov2020-12-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It contains wrappers for operations with BPF maps and for loading BPF programs.
| * | | | | | | | | | | | | | | | | | | | Merged with the default branch.Sergey Kandaurov2020-12-15
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| * \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ Merged with the default branch.Sergey Kandaurov2020-11-24
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| * | | | | | | | | | | | | | | | | | | | | | Core: hide "struct ngx_quic_connection_s" and further reduce diffs.Sergey Kandaurov2020-11-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As with the previous change, it became feasible with feec2cc762f6 that removes ngx_quic_connection_t from ngx_connection_s.
| * | | | | | | | | | | | | | | | | | | | | | Core: reduced diff to the default branch.Sergey Kandaurov2020-11-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It became feasible to reduce after feec2cc762f6 that removes ngx_quic_connection_t from ngx_connection_s.
| * | | | | | | | | | | | | | | | | | | | | | QUIC: renamed c->qs to c->quic.Roman Arutyunyan2020-11-10
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| * | | | | | | | | | | | | | | | | | | | | | QUIC: got rid of the c->quic field.Roman Arutyunyan2020-11-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now QUIC connection is accessed via the c->udp field.
| * | | | | | | | | | | | | | | | | | | | | | Merged with the default branch.Sergey Kandaurov2020-10-29
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| * \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ Merged with the default branch.Sergey Kandaurov2020-10-01
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| * \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ Merged with the default branch.Roman Arutyunyan2020-08-18
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| * | | | | | | | | | | | | | | | | | | | | | | | | QUIC: fixed bulding perl module by reducing header pollution.Sergey Kandaurov2020-07-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The ngx_http_perl_module module doesn't have a notion of including additional search paths through --with-cc-opt, which results in compile error incomplete type 'enum ssl_encryption_level_t' when building nginx without QUIC support. The enum is visible from quic event headers and eventually pollutes ngx_core.h. The fix is to limit including headers to compile units that are real consumers.
| * | | | | | | | | | | | | | | | | | | | | | | | | QUIC: added "quic" listen parameter.Roman Arutyunyan2020-07-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The parameter allows processing HTTP/0.9-2 over QUIC. Also, introduced ngx_http_quic_module and moved QUIC settings there
| * | | | | | | | | | | | | | | | | | | | | | | | | Merged with the default branch.Sergey Kandaurov2020-07-13
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| * | | | | | | | | | | | | | | | | | | | | | | | | | Do not close QUIC sockets in ngx_close_listening_sockets().Sergey Kandaurov2020-06-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This breaks graceful shutdown of QUIC connections in terms of quic-transport.
| * | | | | | | | | | | | | | | | | | | | | | | | | | Merged with the default branch.Sergey Kandaurov2020-05-26
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| * | | | | | | | | | | | | | | | | | | | | | | | | | | Configure: unbreak with old OpenSSL, --with-http_v3_module added.Sergey Kandaurov2020-04-30
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| * | | | | | | | | | | | | | | | | | | | | | | | | | | Merged with the default branch.Sergey Kandaurov2020-04-14
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| * | | | | | | | | | | | | | | | | | | | | | | | | | | | Extracted transport part of the code into separate file.Vladimir Homutov2020-03-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | All code dealing with serializing/deserializing is moved int srv/event/ngx_event_quic_transport.c/h file. All macros for dealing with data are internal to source file. The header file exposes frame types and error codes. The exported functions are currently packet header parsers and writers and frames parser/writer. The ngx_quic_header_t structure is updated with 'log' member. This avoids passing extra argument to parsing functions that need to report errors.
| * | | | | | | | | | | | | | | | | | | | | | | | | | | | Split transport and crypto parts into separate files.Vladimir Homutov2020-03-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | New files: src/event/ngx_event_quic_protection.h src/event/ngx_event_quic_protection.c The protection.h header provides interface to the crypto part of the QUIC: 2 functions to initialize corresponding secrets: ngx_quic_set_initial_secret() ngx_quic_set_encryption_secret() and 2 functions to deal with packet processing: ngx_quic_encrypt() ngx_quic_decrypt() Also, structures representing secrets are defined there. All functions require SSL connection and a pool, only crypto operations inside, no access to nginx connections or events. Currently pool->log is used for the logging (instead of original c->log).
| * | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixed sanitizer errors.Roman Arutyunyan2020-03-13
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| * | | | | | | | | | | | | | | | | | | | | | | | | | | | HTTP/QUIC interface reworked.Vladimir Homutov2020-03-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - events handling moved into src/event/ngx_event_quic.c - http invokes once ngx_quic_run() and passes stream callback (diff to original http_request.c is now minimal) - streams are stored in rbtree using ID as a key - when a new stream is registered, appropriate callback is called - ngx_quic_stream_t type represents STREAM and stored in c->qs
| * | | | | | | | | | | | | | | | | | | | | | | | | | | | Initial QUIC support in http.Sergey Kandaurov2020-02-28
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* | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixed segfault if regex studies list allocation fails.Maxim Dounin2023-04-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The rcf->studies list is unconditionally accessed by ngx_regex_cleanup(), and this used to cause NULL pointer dereference if allocation failed. Fix is to set cleanup handler only when allocation succeeds.
* | | | | | | | | | | | | | | | | | | | | | | | | | | | | Version bump.Sergey Kandaurov2023-04-17
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* | | | | | | | | | | | | | | | | | | | | | | | | | | | Syslog: introduced error log handler.Maxim Dounin2023-03-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This ensures that errors which happen during logging to syslog are logged with proper context, such as "while logging to syslog" and the server name. Prodded by Safar Safarly.
* | | | | | | | | | | | | | | | | | | | | | | | | | | | Syslog: removed usage of ngx_cycle->log and ngx_cycle->hostname.Maxim Dounin2023-03-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | During initial startup the ngx_cycle->hostname is not available, and previously this resulted in incorrect logging. Instead, hostname from the configuration being parsed is now preserved in the syslog peer structure and then used during logging. Similarly, ngx_cycle->log might not match the configuration where the syslog peer is defined if the configuration is not yet fully applied, and previously this resulted in unexpected logging of syslog errors and debug information. Instead, cf->cycle->new_log is now referenced in the syslog peer structure and used for logging, similarly to how it is done in other modules.
* | | | | | | | | | | | | | | | | | | | | | | | | | | | Core: stricter UTF-8 handling in ngx_utf8_decode().Yugo Horie2023-02-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | An UTF-8 octet sequence cannot start with a 11111xxx byte (above 0xf8), see https://datatracker.ietf.org/doc/html/rfc3629#section-3. Previously, such bytes were accepted by ngx_utf8_decode() and misinterpreted as 11110xxx bytes (as in a 4-byte sequence). While unlikely, this can potentially cause issues. Fix is to explicitly reject such bytes in ngx_utf8_decode().
* | | | | | | | | | | | | | | | | | | | | | | | | | | | Lingering close for connections with pipelined requests.Maxim Dounin2023-02-02
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* | | | | | | | | | | | | | | | | | | | | | | | | | | Updated link to OpenVZ suspend/resume bug.Maxim Dounin2022-12-21
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* | | | | | | | | | | | | | | | | | | | | | | | | | | Style.BullerDu2022-12-16
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* | | | | | | | | | | | | | | | | | | | | | | | | | | Version bump.Sergey Kandaurov2022-12-16
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* | | | | | | | | | | | | | | | | | | | | | | | | | Removed casts from ngx_memcmp() macro.Maxim Dounin2022-11-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Casts are believed to be not needed, since memcmp() has "const void *" arguments since introduction of the "void" type in C89. And on pre-C89 platforms nginx is unlikely to compile without warnings anyway, as there are no casts in memcpy() and memmove() calls. These casts were added in 1648:89a47f19b9ec without any details on why they were added, and Igor does not remember details either. The most plausible explanation is that they were copied from ngx_strcmp() and were not really needed even at that time. Prodded by Alejandro Colomar.
* | | | | | | | | | | | | | | | | | | | | | | | | | Fixed alignment of ngx_memmove()/ngx_movemem() macro definitions.Maxim Dounin2022-11-30
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* | | | | | | | | | | | | | | | | | | | | | | | | | Fixed PROXY protocol to use ngx_memcpy()/ngx_memcmp().Maxim Dounin2022-11-08
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* | | | | | | | | | | | | | | | | | | | | | | | | | Added logging to PROXY protocol write buffer check.Maxim Dounin2022-11-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The check is not expected to fail unless there is a bug in the calling code. But given the check is here, it should log an alert if it fails instead of silently closing the connection.
* | | | | | | | | | | | | | | | | | | | | | | | | | Increased maximum read PROXY protocol header size.Roman Arutyunyan2022-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Maximum size for reading the PROXY protocol header is increased to 4096 to accommodate a bigger number of TLVs, which are supported since cca4c8a715de. Maximum size for writing the PROXY protocol header is not changed since only version 1 is currently supported.
* | | | | | | | | | | | | | | | | | | | | | | | | | Version bump.Roman Arutyunyan2022-11-03
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* | | | | | | | | | | | | | | | | | | | | | | | | Added type cast to ngx_proxy_protocol_parse_uint16().Roman Arutyunyan2022-09-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The cast is added to make ngx_proxy_protocol_parse_uint16() similar to ngx_proxy_protocol_parse_uint32().
* | | | | | | | | | | | | | | | | | | | | | | | | PROXY protocol v2 TLV variables.Roman Arutyunyan2022-10-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The variables have prefix $proxy_protocol_tlv_ and are accessible by name and by type. Examples are: $proxy_protocol_tlv_0x01, $proxy_protocol_tlv_alpn.
* | | | | | | | | | | | | | | | | | | | | | | | | Log only the first line of user input on PROXY protocol v1 error.Roman Arutyunyan2022-10-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previously, all received user input was logged. If a multi-line text was received from client and logged, it could reduce log readability and also make it harder to parse nginx log by scripts. The change brings to PROXY protocol the same behavior that exists for HTTP request line in ngx_http_log_error_handler().
* | | | | | | | | | | | | | | | | | | | | | | | | Version bump.Maxim Dounin2022-08-30
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* | | | | | | | | | | | | | | | | | | | | | | | Resolver: fixed memory leak for the "ipv4=off" case.Sergey Kandaurov2022-07-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This change partially reverts 2a77754cd9fe to properly free rn->query. Found by Coverity (CID 1507244).
* | | | | | | | | | | | | | | | | | | | | | | | The "ipv4=" parameter of the "resolver" directive.Ruslan Ermilov2022-07-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When set to "off", only IPv6 addresses will be resolved, and no A queries are ever sent (ticket #2196).
* | | | | | | | | | | | | | | | | | | | | | | | Version bump.Maxim Dounin2022-06-29
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* | | | | | | | | | | | | | | | | | | | | | | Resolver: make TCP write timer event cancelable.Aleksei Bavshin2022-06-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Similar to 70e65bf8dfd7, the change is made to ensure that the ability to cancel resolver tasks is fully controlled by the caller. As mentioned in the referenced commit, it is safe to make this timer cancelable because resolve tasks can have their own timeouts that are not cancelable. The scenario where this may become a problem is a periodic background resolve task (not tied to a specific request or a client connection), which receives a response with short TTL, large enough to warrant fallback to a TCP query. With each event loop wakeup, we either have a previously set write timer instance or schedule a new one. The non-cancelable write timer can delay or block graceful shutdown of a worker even if the ngx_resolver_ctx_t->cancelable flag is set by the API user, and there are no other tasks or connections. We use the resolver API in this way to maintain the list of upstream server addresses specified with the 'resolve' parameter, and there could be third-party modules implementing similar logic.
* | | | | | | | | | | | | | | | | | | | | | | FastCGI: combining headers with identical names (ticket #1724).Maxim Dounin2022-05-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | FastCGI responder is expected to receive CGI/1.1 environment variables in the parameters (see section "6.2 Responder" of the FastCGI specification). Obviously enough, there cannot be multiple environment variables with the same name. Further, CGI specification (RFC 3875, section "4.1.18. Protocol-Specific Meta-Variables") explicitly requires to combine headers: "If multiple header fields with the same field-name are received then the server MUST rewrite them as a single value having the same semantics".
* | | | | | | | | | | | | | | | | | | | | | | Version bump.Maxim Dounin2022-05-30
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generated by cgit v1.2.3 (git 2.25.1) at 2025-07-16 00:48:54 +0000