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2019-11-14Processing inconsistent proxied response length.Igor Sysoev4-3/+32
Keepalive connection is disabled if upstream response length differs from specified in the "Content-Length" field value.
2019-11-14Initial proxy support.Igor Sysoev15-44/+1263
2019-11-14Introduced chained buffer completion handlers.Igor Sysoev9-31/+113
2019-11-14Using event engine memory buffers in HTTP/1 layer.Igor Sysoev4-15/+18
2019-11-14Introduced event engine memory buffers.Igor Sysoev4-22/+83
2019-11-14Event engine memory cache refactored.Igor Sysoev3-14/+48
2019-11-14Using request task.Igor Sysoev3-2/+13
2019-11-14Replacing pass with action.Igor Sysoev6-110/+162
2019-11-14Fixed connect(2) errors processing on old Linuxes.Igor Sysoev4-30/+61
While connect(2) states that non-blocking connect should use EPOLLOUT: EINPROGRESS The socket is non-blocking and the connection cannot be completed immediately. It is possible to select(2) or poll(2) for completion by selecting the socket for writing. After select(2) indicates writability, use getsockopt(2) to read the SO_ERROR option at level SOL_SOCKET to determine whether connect() completed successfully (SO_ERROR is zero) or unsuccessfully (SO_ERROR is one of the usual error codes listed here, explaining the reason for the failure). On connect error, Linux 2.6.32 (CentOS 6) may return EPOLLRDHUP, EPOLLERR, EPOLLHUP, EPOLLIN, but not EPOLLOUT.
2019-11-13Python: releasing GIL while waiting for a request.Valentin Bartenev1-15/+23
It unblocks other threads that can be forked by the application to work in background. This closes #336 issue on GitHub.
2019-11-13Ruby: fixing initialization sequence.Max Romanov1-4/+7
There was a change (ruby/ruby@6c70fed) in Ruby 2.6 that moved RUBY_DESCRIPTION global constant definition out of Init_version(). Unit initialized Ruby incorrectly, so the constant was not defined. This closes #330 issue on GitHub.
2019-11-11Fixing libunit 'off by 2' issue in library.Max Romanov4-16/+27
Name and value in each header are 0-terminated, so additional 2 bytes should be allocated for them. There were several attempts to add these 2 bytes to headers in language modules, but some modules weren't updated. Also, adding these 2 bytes is specific to the implementation which may be changed later, so extending this mechanics to modules may cause errors.
2019-10-29Process port refactoring.Hong Zhi Dao6-67/+65
- Introduced nxt_runtime_process_port_create(). - Moved nxt_process_use() into nxt_process.c from nxt_runtime.c. - Renamed nxt_runtime_process_remove_pid() as nxt_runtime_process_remove(). - Some public functions transformed to static. This closes #327 issue on GitHub.
2019-10-29Allocating process init struct from runtime memory pool.Max Romanov2-17/+14
This avoids memory leak reports from the address sanitizer.
2019-10-28Added clone syscall check for uid/gid mapping.Tiago Natel1-1/+1
Now it's possible to pass -DNXT_HAVE_CLONE=0 for debugging.
2019-10-28Releasing the memory of removed thread pools at exit.Tiago Natel1-0/+2
2019-10-23Python: fixing Python 3.8 build with clang.Max Romanov1-53/+7
Python 3.8 has 'tp_print' field in PyTypeObject struct. This field is attributed as deprecated. So, clang generates warning (which is turned to error) as a result of initializing this field. From the other hand, it is impossible to omit this field in positional initialization. The solution is to use designated initializer. Silencing usage message during configure python. This is related to #331 issue on GitHub.
2019-10-22Improved error logging when uid/gid map is not properly set.Tiago Natel1-2/+30
When using "credential: true", the new namespace starts with a completely empty uid and gid ranges. Then, any setuid/setgid/setgroups calls using ids not properly mapped with uidmap and gidmap fields return EINVAL, meaning the id is not valid inside the new namespace.
2019-10-22Fixing process crash in case of module load error.Max Romanov1-0/+3
This is related to #330 issue on GitHub.
2019-10-22Fixing idle connection close function.Max Romanov1-1/+1
There was a typo: nxt_queue_head() used instead of nxt_queue_first() in connection iteration loop. This prevents idle connection close on quit. This closes #334 issue on GitHub. Thanks to 洪志道 (Hong Zhi Dao).
2019-10-22Python: fixing build for Python 3.8.Max Romanov1-0/+4
Thanks to tonyafanasyev. This is related to #331 issue on GitHub.
2019-10-11Fixed passing false in namespace flags.Tiago Natel3-4/+10
This patch closes #328 in github.
2019-10-10Style fixes.Igor Sysoev7-22/+35
2019-10-10Changed nxt_memcasecmp() interface to avoid casts.Igor Sysoev3-10/+12
2019-10-09Configuration: added check for mandatory options of "action".Valentin Bartenev1-2/+33
2019-10-03Ignoring EINTR error in kqueue.Igor Sysoev1-1/+4
2019-10-02Added response status code to error page body.Valentin Bartenev1-8/+10
Also the error page markup is now valid according to HTML5 specification. All optional tags were omitted.
2019-10-01Go: fixing header buffer size calculation.Max Romanov1-1/+1
Header names and values are stored 0-terminated for ease of use in different languages, so magic number 2 should be added to each name-value pair size.
2019-09-30HTTP: corrected allocation size for tail chunk.Valentin Bartenev1-1/+1
2019-09-30HTTP parser: removed unused "exten" field.Valentin Bartenev3-44/+2
This field was intended for MIME type lookup by file extension when serving static files, but this use case is too narrow; only a fraction of requests targets static content, and the URI presumably isn't rewritten. Moreover, current implementation uses the entire filename for MIME type lookup if the file has no extension. Instead of extracting filenames and extensions when parsing requests, it's easier to obtain them right before serving static content; this behavior is already implemented. Thus, we can drop excessive logic from parser.
2019-09-30HTTP parser: normalization of paths ending with "." or "..".Valentin Bartenev1-8/+28
Earlier, the paths were normalized only if there was a "/" at the end, which is wrong according to section 5.2.4 of RFC 3986 and hypothetically may allow to the directory above the document root.
2019-09-30Fixed error processing in SSL operations.Igor Sysoev1-13/+3
Before this fix EWOULDBLOCK error was fatal for SSL write operation. This closes #325 issue on GitHub.
2019-09-30Fixed exiting if a signal arrives during discovery.Max Romanov1-35/+38
When Unit starts, the main process waits for module discovery message for a while. If a QUIT signal arrives at this time, the router and controller processes created by main and Unit stay running. Also, the main process doesn't stop them after the second QUIT signal is received in this case.
2019-09-26Refactored nxt_process_create() for more explicit pipe closing.Valentin Bartenev1-40/+29
2019-09-26Fixed descriptors leak on process creation.Valentin Bartenev1-0/+12
The leak has been introduced in 325b315e48c4. This closes #322 issue in GitHub.
2019-09-20Removed linux/sched.h include.Tiago Natel1-4/+0
The <sched.h> is already included by nxt_unix.h. This closes #314 PR on GitHub.
2019-09-20Releasing init struct in case of errors.Tiago Natel1-4/+10
Found by Coverity (CID 349485).
2019-09-20Closing leaking file descriptor.Tiago Natel1-0/+4
Found by Coverity (CID 349484).
2019-09-24Static: returning 404 for Unix domain sockets.Valentin Bartenev2-0/+12
It's now similar to how attempts to access other non-regular files are handled.
2019-09-23PHP: zeroing the whole file_handle structure.Sergey Kandaurov1-2/+2
Fixes segfaults with PHP 7.4.
2019-09-20Fixed segfault if an inappropriate file system object is requested.Valentin Bartenev1-1/+2
Found by Coverity (CID 349483).
2019-09-19Basic support for serving static files.Valentin Bartenev11-29/+952
2019-09-19Initial applications isolation support using Linux namespaces.Tiago de Bem Natel de Moura13-165/+1048
2019-09-19Releasing WebSocket frame in case of buffer allocation failure.Max Romanov1-0/+2
Found by Coverity (CID 349456).
2019-09-18Fixing master process crash after failed fork.Max Romanov2-3/+8
This closes #312 issue on GitHub.
2019-09-18Go: removing nxt_main.h usage.Max Romanov1-3/+2
One small step to Go modules support.
2019-09-18Fixing request release order to avoid crashes on exit.Max Romanov1-6/+10
Each request references the router process structure that owns all memory maps. The process structure has a reference counter; each request increases the counter to lock the structure in memory until request processing ends. Incoming and outgoing buffers reference memory maps that the process owns, so the process structure should be released only when all buffers are released to avoid invalid memory access and a crash. This describes the libunit library mechanism used for application processes. The background of this issue is as follows: The issue was found on buildbot when the router crashed during Java websocket tests. The Java application receives a notification from the master process; when the notification is processed, libunit deletes the process structure from its process hash and decrements the use counter; however, active websocket connections maintain their use counts on the process structure. After that, when the master process is stopping the application, libunit releases active websocket connections. At this point, it's important to release the connections' memory buffers before the corresponding process structure and all shared memory segments are released.
2019-09-18Go: do not store pointer to Go object.Max Romanov2-2/+49
To pass Go object references to C and back we use hack with casting to unsafe and then to uintptr. However, we should not store such references because Go not guaratnee it will be available by the same address. Introducing map with integer key helps to avoid dereference stored address. This closes #253 and #309 issues on GitHub.
2019-09-18Reducing number of warning messages.Max Romanov1-6/+5
One alert per failed allocation is enough.
2019-09-18Protecting context structures with mutex.Max Romanov1-4/+63
By design, Unit context is created for the thread which reads messages from the router. However, Go request handlers are called in a separate goroutine that may be executed in a different thread. To avoid a racing condition, access to lists of free structures in the context should be serialized. This patch should fix random crashes in Go applications under high load. This is related to #253 and #309 issues on GitHub.
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