Commit Graph

17 Commits

Author SHA1 Message Date
Stefan Eissing
1b710381ca
https-rr: implementation improvements
- fold DoH and async HTTPS-RR handling into common code.
  have common cleanups, etc. Have a CURLcode result in async
  handling to allow HTTPS RR parsing to fail.
- keep target, ipv4hints, ipv6hints, port and echconfig also
  when resolving via cares. We need to know `target` and `port`
  when evaluating possible ALPN candidates to not go astray.
- add CURL_TRC_DNS for tracing DNS operations
- replace DoH specific tracing with DNS, use doh as alias
  for dns in curl_global_tracea()

Closes #16132
2025-02-18 16:12:26 +01:00
Daniel Stenberg
d1c1c96e0a
curl_trc: repair build with verbose strings disabled
- moved the dummy functions into the C file, made them non-static
- added a Curl_trc_ssls dummy

Closes #15951
2025-01-09 09:23:03 +01:00
Stefan Eissing
515a21f350
vtls: feature ssls-export for SSL session im-/export
Adds the experimental feature `ssls-export` to libcurl and curl for
importing and exporting SSL sessions from/to a file.

* add functions to libcurl API
* add command line option `--ssl-sessions <filename>` to curl
* add documenation
* add support in configure
* add support in cmake
+ add pytest case

Closes #15924
2025-01-08 23:32:07 +01:00
Daniel Stenberg
aca28abac7
lib: fix disabled-verbose-strings + enable-debug build warnings 2024-09-27 13:20:25 +02:00
Daniel Stenberg
d78e129d50
WebSockets: make support official (non-experimental)
Inverts the configure/cmake options to instead provide options that
disable WebSockets and have them (ws + wss) enabled by default.

Closes #14936
2024-09-27 13:20:25 +02:00
Baruch Siach
8025777917
curl_trc: fix build with verbose messages disabled
Add empty definition of Curl_trc_ws() to fix this following build error:

In file included from sendf.h:29,
                 from ws.c:35:
ws.c: In function 'Curl_ws_accept':
curl_trc.h💯10: error: implicit declaration of function 'Curl_trc_ws'; did you mean 'Curl_trc_ftp'? [-Wimplicit-function-declaration]
  100 |          Curl_trc_ws(data, __VA_ARGS__); } while(0)
      |          ^~~~~~~~~~~
ws.c:779:5: note: in expansion of macro 'CURL_TRC_WS'
  779 |     CURL_TRC_WS(data, "WS, using chunk size %zu", chunk_size);
      |     ^~~~~~~~~~~

Closes #15026
2024-09-24 23:51:20 +02:00
Stefan Eissing
1c42ea4066
smtp: add tracing feature
Add `smtp` as tracing feature, use CURL_TRC_SMTP() in code to
trace operations.

Closes #14531
2024-08-14 11:51:55 +02:00
Stefan Eissing
3e64569a9e
websocket: introduce blocking sends
When using `curl_ws_send()`, perform a blocking send of the data under
the following conditions:

- the websocket is in raw mode and the call is done from within a curl
  callback. A partial write of the data could subsequently mess up the
  ws framing, as a callback has a hard time handling this.

- the websocket is encoding the data itself, has added it to its
  internal sendbuf. A partial flush of the buffer has unclear semantics
  for the caller, as they will have no idea what to send again.

Fixes WebSockets tests with CURL_DBG_SOCK_WBLOCK=90 set.
Closes #14458
2024-08-12 19:19:28 +02:00
Stefan Eissing
b7c7dffe35
ftp: add tracing support
- add `Curl_trc_feat_ftp` for tracing via trace config
- add macro CURL_TRC_FTP(data, fmt, ...)
- replace DEBUGF(infof()) statements in ftp.c by CURL_TRC_FTP()
- always trace FTP connection state

Closes #13580
2024-05-10 23:39:48 +02:00
Daniel Stenberg
9e848439d8
curl_trc: fix build error when lacking verbose messages
Follow-up from 0b28ece657
Closes #13312
2024-04-08 13:57:14 +02:00
Stefan Eissing
0b28ece657
lib: add trace support for client reads and writes
- add `CURL_TRC_READ()` and `CURL_TRC_WRITE()`
- use in generic client writers and readers, as well
  as http headers, chunking and websockets

Closes #13223
2024-04-05 16:08:10 +02:00
Stefan Eissing
f7e598791f
DoH: add trace configuration
- refs #12397 where it is dicussed how to en-/disable verbose output
  of DoH operations
- introducing `struct curl_trc_feat` to track a curl feature for
  tracing
- adding `data->state.feat` optionally pointing to the feature a
  transfer belongs to
- adding trace functions and verbosity checks on features
- using trace feature in DoH code
- documenting `doh` as feature for `--trace-config`

Closes #12411
2024-02-20 14:01:59 +01:00
Viktor Szakats
3829759bd0
build: enable missing OpenSSF-recommended warnings, with fixes
https://best.openssf.org/Compiler-Hardening-Guides/Compiler-Options-Hardening-Guide-for-C-and-C++.html
as of 2023-11-29 [1].

Enable new recommended warnings (except `-Wsign-conversion`):

- enable `-Wformat=2` for clang (in both cmake and autotools).
- add `CURL_PRINTF()` internal attribute and mark functions accepting
  printf arguments with it. This is a copy of existing
  `CURL_TEMP_PRINTF()` but using `__printf__` to make it compatible
  with redefinting the `printf` symbol:
  https://gcc.gnu.org/onlinedocs/gcc-3.0.4/gcc_5.html#SEC94
- fix `CURL_PRINTF()` and existing `CURL_TEMP_PRINTF()` for
  mingw-w64 and enable it on this platform.
- enable `-Wimplicit-fallthrough`.
- enable `-Wtrampolines`.
- add `-Wsign-conversion` commented with a FIXME.
- cmake: enable `-pedantic-errors` the way we do it with autotools.
  Follow-up to d5c0351055 #2747
- lib/curl_trc.h: use `CURL_FORMAT()`, this also fixes it to enable format
  checks. Previously it was always disabled due to the internal `printf`
  macro.

Fix them:

- fix bug where an `set_ipv6_v6only()` call was missed in builds with
  `--disable-verbose` / `CURL_DISABLE_VERBOSE_STRINGS=ON`.
- add internal `FALLTHROUGH()` macro.
- replace obsolete fall-through comments with `FALLTHROUGH()`.
- fix fallthrough markups: Delete redundant ones (showing up as
  warnings in most cases). Add missing ones. Fix indentation.
- silence `-Wformat-nonliteral` warnings with llvm/clang.
- fix one `-Wformat-nonliteral` warning.
- fix new `-Wformat` and `-Wformat-security` warnings.
- fix `CURL_FORMAT_SOCKET_T` value for mingw-w64. Also move its
  definition to `lib/curl_setup.h` allowing use in `tests/server`.
- lib: fix two wrongly passed string arguments in log outputs.
  Co-authored-by: Jay Satiro
- fix new `-Wformat` warnings on mingw-w64.

[1] 56c0fde389/docs/Compiler-Hardening-Guides/Compiler-Options-Hardening-Guide-for-C-and-C%2B%2B.md

Closes #12489
2023-12-16 13:12:37 +00:00
Viktor Szakats
a426b5050f
build: variadic macro tidy-ups
- delete unused `HAVE_VARIADIC_MACROS_C99/GCC` feature checks.
  (both autotools and CMake.)
- delete duplicate `NULL` check in `Curl_trc_cf_infof()`.
- fix compiler warning in `CURL_DISABLE_VERBOSE_STRINGS` builds.
  ```
  ./lib/cf-socket.c:122:41: warning: unused parameter 'data' [-Wunused-parameter]
  static void nosigpipe(struct Curl_easy *data,
                                          ^
  ```
- fix `#ifdef` comments in `lib/curl_trc.{c,h}`.
- fix indentation in some `infof()` calls.

Follow-up to dac293cfb7 #12167

Cherry-picked from #12105
Closes #12210
2023-10-27 00:37:34 +00:00
Stefan Eissing
dac293cfb7
lib: apache style infof and trace macros/functions
- test for a simplified C99 variadic check
- args to infof() in --disable-verbose are no longer disregarded but
  must compile.

Closes #12167
Fixes #12083
Fixes #11880
Fixes #11891
2023-10-26 17:42:54 +02:00
John Bampton
fb3180a024
misc: spellfixes
Closes #11730
2023-08-25 13:21:07 +02:00
Stefan Eissing
e12b39e133
trace: make tracing available in non-debug builds
Add --trace-config to curl

Add curl_global_trace() to libcurl

Closes #11421
2023-08-03 17:32:25 +02:00