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80 Commits

Author SHA1 Message Date
Glenn Strauss 1d6003e575 [core] mark some chunk.c funcs as pure 2020-07-08 19:54:29 -04:00
Glenn Strauss 9914bb297b [core] C99 restrict on some base funcs 
buffer.[ch], chunk.[ch], request.[ch], sock_addr.[ch]
 2020-07-08 19:54:29 -04:00
Glenn Strauss 304e46d4f8 [core] default chunk size 8k (was 4k) 2020-07-08 19:54:28 -04:00
Glenn Strauss de73b190a4 [core] read up-to fixed size chunk before fionread 2020-07-08 19:54:28 -04:00
Glenn Strauss 0fcd51438d [core] create http chunk header on the stack 
streamline code in http_chunk.c
 2020-07-08 19:54:28 -04:00
Glenn Strauss 010c28949c [multiple] prefer (connection *) to (srv *) 
convert all log_error_write() to log_error() and pass (log_error_st *)

use con->errh in preference to srv->errh (even though currently same)

avoid passing (server *) when previously used only for logging (errh)
 2020-07-08 19:54:28 -04:00
Glenn Strauss ed62e354ff [core] use config_plugin_values_init() 2020-07-08 18:08:51 -04:00
Glenn Strauss 601c572c39 [core] inline buffer as part of data_string value 
(instead of value being (buffer *))
 2020-02-24 11:15:32 -05:00
Glenn Strauss 5c0c4936b4 [core] __attribute_returns_nonnull__ 2020-02-24 11:15:32 -05:00
Glenn Strauss 2ad92d17a1 [core] chunkqueue_compact_mem() 2020-02-24 11:14:45 -05:00
Glenn Strauss d9e2dd4b2e [core] chunkqueue perf: specialized buffer.h funcs 2019-05-13 20:27:49 -04:00
Glenn Strauss 6572976e06 [core] chunkqueue perf: code reuse 
code reuse, simplification, and inlining
remove excess calls to chunkqueue_remove_finished_chunks()

(it may still be possible for there to be an empty chunk in chunkqueue
 if nothing were written to a temporary file (need to verify this), so
 preserve some calls to chunkqueue_remove_finished_chunks() for now)
 2019-05-13 20:27:49 -04:00
Glenn Strauss 599b4f05c8 [core] fix 1.4.52 regression in mem use with POST (fixes #2948) 
(thx rgenoud)

x-ref:
  "[regression][Bisected] lighttpd uses way more memory with POST since 1.4.52"
  https://redmine.lighttpd.net/issues/2948
 2019-04-20 02:06:43 -04:00
Glenn Strauss f2ac4cdfc5 [core] off_t upload_temp_file_size 2019-03-16 01:39:59 -04:00
Glenn Strauss a78404cfbf [core] fdevent_mkstemp_append() (shared) 2019-03-16 01:38:29 -04:00
Glenn Strauss 37bd124ae4 [core] pass conf.follow_symlink in more places 2019-03-10 23:22:58 -04:00
Glenn Strauss c83fff1dda [core] release empty chunk buf when nothing read 2019-03-07 00:32:17 -05:00
Glenn Strauss a1b527e473 [multiple] reduce initial buffer sz if large POST (fixes #2922) 
reduce initial buffer size if large POST to backend stored in temp files

regression in lighttpd 1.4.52

(thx rgenoud)

x-ref:
  "[regression] lighttpd gets killed after uploading a big file"
  https://redmine.lighttpd.net/issues/2922
 2018-12-12 20:00:07 -05:00
Glenn Strauss 77c01f9817 [core] buffer_append_path_len() 
concatenate paths, placing single '/' between strings

reverts broken commit:b9402283

(thx avij)
 2018-11-28 02:12:41 -05:00
Glenn Strauss f69bd9cdb8 [core] perf: simple, quick buffer_clear() 
quickly clear buffer instead of buffer_string_set_length(b, 0) or
buffer_reset(b).  Avoids free() of large buffers about to be reused,
or buffers that are module-scoped, persistent, and reused.

(buffer_reset() should still be used with buffers in connection *con
 when the data in the buffers is supplied by external, untrusted source)
 2018-11-23 00:37:38 -05:00
Glenn Strauss 9749503b1d [core] separate func to reset FILE_CHUNK 2018-11-21 00:23:40 -05:00
Glenn Strauss 758c58cda5 [core] clear chunk buffer upon release 
(before adding back to reusable buffer pool)
 2018-11-18 17:02:06 -05:00
Glenn Strauss 70d7d0a0a1 [core] server.chunkqueue-chunk-sz = 4096 
server.chunkqueue-chunk-sz = 4096 (default)
Can be configured any integral value greater than 0.
Value is rounded up to next 1024 if not an even multiple of 1k.

Sites with large request or response headers may benefit from
an 8k or 16k chunk size.  Embedded systems might choose to minimize
memory use by using a 1k chunk size.
 2018-11-17 23:53:50 -05:00
Glenn Strauss 88ee73d0a2 [multiple] perf: simplify chunkqueue_get_memory() 2018-11-12 23:01:34 -05:00
Glenn Strauss f512bfa4af [core] use chunk_buf_sz instead of hard-coded num 2018-11-12 21:56:05 -05:00
Glenn Strauss 1539cbfdc1 [core] perf: chunkqueue buffers already sized up 
provide new interface for sizing to even larger if very large request
(chunkqueue_prepend_buffer_open_sz())
 2018-11-12 21:56:05 -05:00
Glenn Strauss 8c0792a58c [multiple] better packing of struct chunk 
remove c->file.name
previous commit modified c->file.name to share buffer with c->mem
 2018-11-12 21:56:05 -05:00
Glenn Strauss fccc7fc607 [core] perf: chunk.c chunk pool 
reuse chunks across chunkqueues; remove cq->unused, cq->unused_chunks
reuse same buffer c->mem and c->file.name in chunk
 2018-11-12 08:25:28 -05:00
Glenn Strauss a9ae35128d [core] chunk.c code reuse 2018-10-28 10:00:03 -04:00
Glenn Strauss 40d3408328 [core] perf: append response directly into write q 
prepend non-dynamic response directly into write queue chunkqueue
 2018-10-28 02:38:10 -04:00
Glenn Strauss 59a71815dc [core] perf: copy small strings; extend last chunk 
copy small strings; extend last chunk
(instead of creating new, tiny chunk)
 2018-10-28 02:38:06 -04:00
Glenn Strauss 23c72fc606 [core] perf: prepend headers directly into write q 
prepend response headers directly into write queue chunkqueue
 2018-10-27 14:00:08 -04:00
Glenn Strauss 5a159e828d [core] perf: size write buffers for reuse 
size write buffers for reuse in common cases
(so that write buffers are BUFFER_MAX_REUSE_SIZE)
 2018-10-27 11:40:57 -04:00
Glenn Strauss bed3779617 [core] fix segfault if tempdirs fill up (fixes #2843) 
(thx wolfram)

x-ref:
  "lighttpd segfault if /var/tmp is full"
  https://redmine.lighttpd.net/issues/2843
 2017-11-26 17:03:07 -05:00
Glenn Strauss f22b5d69da [core] inline chunkqueue_is_empty() 2017-10-09 02:45:12 -04:00
Glenn Strauss 9bc61f16cb [core] attempt to quiet coverity false positives 2017-08-12 15:39:12 -04:00
Glenn Strauss 685cab057e [core] rename fd_close_on_exec() 
rename fd_close_on_exec() to fdevent_setfd_cloexec()
 2017-07-15 22:42:15 -04:00
Glenn Strauss 162e754d0d [core] report file path when mkstemp() fails (fixes #2802) 
x-ref:
  "Could the error-log be improved a tiny bit in regards to "Permission denied" errors"
  https://redmine.lighttpd.net/issues/2802
 2017-03-28 02:17:33 -04:00
Glenn Strauss ba953cdf45 [core] include "fdevent.h" where needed 
(instead of providing #include "fdevent.h" in base.h)
 2017-03-28 02:17:33 -04:00
Glenn Strauss a53f662a30 [core] remove some unused header includes 
remove exposure of stdio.h in buffer.h for print_backtrace(), now static
 2017-03-28 02:17:33 -04:00
Glenn Strauss b0c66266d9 [core] initialize globals at top of main() 
initialize globals (including file-scoped static globals) at top of main
 2017-01-31 14:40:05 -05:00
Glenn Strauss 4364a4e029 [core] move network_open_file_chunk() to chunk.c 
move network_open_file_chunk() to chunk.c:chunkqueue_open_file_chunk()
for reuse from modules
 2017-01-14 01:06:16 -05:00
Glenn Strauss 06cc3dfa59 [core] check fcntl O_APPEND succeeds w/ mkstemp() 2016-10-29 10:32:41 -04:00
Glenn Strauss 204df06814 minor: coverity comments 2016-10-29 09:14:07 -04:00
Glenn Strauss 23503883ba [core] fix potential streaming tempfile corruption (fixes #2760) 
set O_APPEND after mkstemp() in chunk.c  (mkostemp() is not as portable)
(also set FD_CLOEXEC to avoid potentially leaking open tempfiles to CGI)

(thx dieter.ro for helping track this down)

x-ref:
  https://redmine.lighttpd.net/boards/3/topics/6884
  "potential tempfile corruption when streaming response"
  https://redmine.lighttpd.net/issues/2760
 2016-10-29 09:14:07 -04:00
Glenn Strauss 8047c2f448 fix errors detected by Coverity Scan 
fix potential NULL pointer dereference in mod_deflate.c
remove logically dead code in connection-glue.c
add coverity annotations to see if some issues will be reclassified
 2016-09-23 09:09:57 -04:00
Glenn Strauss c8e647ad31 [core] set chunkqueue tempdirs at startup 
If server.upload-dirs is not configured, then attempt to use TMPDIR
from the environment, if set, or else use /tmp.  Warn at startup if
tempdirs are not present.
 2016-07-28 03:57:52 -04:00
Glenn Strauss 72b133f595 fix errors detected by Coverity Scan 
buffer.c:itostr() undefined behavior taking modulus of negative number

additional minor code changes made to quiet other coverity warnings
(false positives)
 2016-06-23 03:57:19 -04:00
Glenn Strauss 1a18669d53 chunkqueue_append_chunkqueue() 
(simpler than chunkqueue_steal() for transferring entire chunkqueue)
 2016-06-21 15:33:18 -04:00
Glenn Strauss 879a282de7 fix errors detected by Coverity Scan 
fd leak in mod_dirlisting.c
use after free in error condition in mod_proxy.c
NULL pointer dereference in error message in chunk.c

additional minor code changes made to quiet other coverity warnings
 2016-06-21 03:53:50 -04:00