Commit Graph

361 Commits

Author SHA1 Message Date
Viktor Szakats
3f8fc25720
cmake: add support for "unity" builds
Aka "jumbo" or "amalgamation" builds. It means to compile all sources
per target as a single C source. This is experimental.

You can enable it by passing `-DCMAKE_UNITY_BUILD=ON` to cmake.
It requires CMake 3.16 or newer.

It makes builds (much) faster, allows for better optimizations and tends
to promote less ambiguous code.

Also add a new AppVeyor CI job and convert an existing one to use
"unity" mode (one MSVC, one MinGW), and enable it for one macOS CI job.

Fix related issues:
- add missing include guard to `easy_lock.h`.
- rename static variables and functions (and a macro) with names reused
  across sources, or shadowed by local variables.
- add an `#undef` after use.
- add a missing `#undef` before use.
- move internal definitions from `ftp.h` to `ftp.c`.
- `curl_memory.h` fixes to make it work when included repeatedly.
- stop building/linking curlx bits twice for a static-mode curl tool.
  These caused doubly defined symbols in unity builds.
- silence missing extern declarations compiler warning for ` _CRT_glob`.
- fix extern declarations for `tool_freq` and `tool_isVistaOrGreater`.
- fix colliding static symbols in debug mode: `debugtime()` and
  `statename`.
- rename `ssl_backend_data` structure to unique names for each
  TLS-backend, along with the `ssl_connect_data` struct member
  referencing them. This required adding casts for each access.
- add workaround for missing `[P]UNICODE_STRING` types in certain Windows
  builds when compiling `lib/ldap.c`. To support "unity" builds, we had
  to enable `SCHANNEL_USE_BLACKLISTS` for Schannel (a Windows
  `schannel.h` option) _globally_. This caused an indirect inclusion of
  Windows `schannel.h` from `ldap.c` via `winldap.h` to have it enabled
  as well. This requires `[P]UNICODE_STRING` types, which is apperantly
  not defined automatically (as seen with both MSVS and mingw-w64).
  This patch includes `<subauth.h>` to fix it.
  Ref: https://github.com/curl/curl/runs/13987772013
  Ref: https://dev.azure.com/daniel0244/curl/_build/results?buildId=15827&view=logs&jobId=2c9f582d-e278-56b6-4354-f38a4d851906&j=2c9f582d-e278-56b6-4354-f38a4d851906&t=90509b00-34fa-5a81-35d7-5ed9569d331c
- tweak unity builds to compile `lib/memdebug.c` separately in memory
  trace builds to avoid PP confusion.
- force-disable unity for test programs.
- do not compile and link libcurl sources to libtests _twice_ when libcurl
  is built in static mode.

KNOWN ISSUES:
- running tests with unity builds may fail in cases.
- some build configurations/env may not compile in unity mode. E.g.:
  https://ci.appveyor.com/project/curlorg/curl/builds/47230972/job/51wfesgnfuauwl8q#L250

Ref: https://github.com/libssh2/libssh2/issues/1034
Ref: https://cmake.org/cmake/help/latest/prop_tgt/UNITY_BUILD.html
Ref: https://en.wikipedia.org/wiki/Unity_build

Closes #11095
2023-06-07 13:06:08 +00:00
Daniel Stenberg
7815647d65
lib: unify the upload/method handling
By making sure we set state.upload based on the set.method value and not
independently as set.upload, we reduce confusion and mixup risks, both
internally and externally.

Closes #11017
2023-04-25 12:38:38 +02:00
Daniel Stenberg
1485e89213
misc: reduce struct and struct field sizes
- by using BIT() instead of bool
- imap: shrink struct
- ftp: make state 'unsigned char'
- ftp: sort ftp_conn struct entries on size
- urldata: use smaller fields for SSL version info storage
- pop3: reduce the pop3_conn struct size
- smtp: reduce the size of the smtp structs

Closes #10186
2023-01-04 15:36:36 +01:00
Daniel Stenberg
2bc1d775f5
copyright: update all copyright lines and remove year ranges
- they are mostly pointless in all major jurisdictions
- many big corporations and projects already don't use them
- saves us from pointless churn
- git keeps history for us
- the year range is kept in COPYING

checksrc is updated to allow non-year using copyright statements

Closes #10205
2023-01-03 09:19:21 +01:00
Stefan Eissing
71b7e01610
lib: connect/h2/h3 refactor
Refactoring of connection setup and happy eyeballing. Move
nghttp2. ngtcp2, quiche and msh3 into connection filters.

 - eyeballing cfilter that uses sub-filters for performing parallel connects
 - socket cfilter for all transport types, including QUIC
 - QUIC implementations in cfilter, can now participate in eyeballing
 - connection setup is more dynamic in order to adapt to what filter did
   really connect.  Relevant to see if a SSL filter needs to be added or
   if SSL has already been provided
 - HTTP/3 test cases similar to HTTP/2
 - multiuse of parallel transfers for HTTP/3, tested for ngtcp2 and quiche

 - Fix for data attach/detach in VTLS filters that could lead to crashes
   during parallel transfers.
 - Eliminating setup() methods in cfilters, no longer needed.
 - Improving Curl_conn_is_alive() to replace Curl_connalive() and
   integrated ssl alive checks into cfilter.
 - Adding CF_CNTRL_CONN_INFO_UPDATE to tell filters to update
   connection into and persist it at the easy handle.

 - Several more cfilter related cleanups and moves:
   - stream_weigth and dependency info is now wrapped in struct
     Curl_data_priority
   - Curl_data_priority members depend is available in HTTP2|HTTP3
   - Curl_data_priority members depend on NGHTTP2 support
   - handling init/reset/cleanup of priority part of url.c
   - data->state.priority same struct, but shallow copy for compares only

 - PROTOPT_STREAM has been removed
   - Curl_conn_is_mulitplex() now available to check on capability

 - Adding query method to connection filters.
   - ngtcp2+quiche: implementing query for max concurrent transfers.

 - Adding is_alive and keep_alive cfilter methods. Adding DATA_SETUP event.
   - setting keepalive timestamp on connect
   - DATA_SETUP is called after the connection has been completely
     setup (but may not connected yet) to allow filters to initialize
     data members they use.

 - there is no socket to be had with msh3, it is unclear how select
   shall work

 - manual test via "curl --http3 https://curl.se" fail with "empty
   reply from server".

 - Various socket/conn related cleanups:
   - Curl_socket is now Curl_socket_open and in cf-socket.c
   - Curl_closesocket is now Curl_socket_close and in cf-socket.c
   - Curl_ssl_use has been replaced with Cur_conn_is_ssl
   - Curl_conn_tcp_accepted_set has been split into
     Curl_conn_tcp_listen_set and Curl_conn_tcp_accepted_set
     with a clearer purpose

Closes #10141
2022-12-30 16:43:19 +01:00
Daniel Stenberg
cc0aaf6e82
idn: rename the files to idn.[ch] and hold all IDN functions
Closes #10094
2022-12-15 22:56:58 +01:00
Stefan Eissing
b42156b825
cfilter: improve SSL connection checks
- fixes `Curl_ssl_cf_get_ssl()` to detect also the first filter instance
  as ssl (refs #10053)

- replaces `Curl_ssl_use()` with the correct `Curl_conn_is_ssl()`

Closes #10054
Fixes #10053

Reported-by: Patrick Monnerat
2022-12-08 14:27:06 +01:00
Stefan Eissing
55807e6c05
tls: backends use connection filters for IO, enabling HTTPS-proxy
- OpenSSL (and compatible)
 - BearSSL
 - gnutls
 - mbedtls
 - rustls
 - schannel
 - secure-transport
 - wolfSSL (v5.0.0 and newer)

 This leaves only the following without HTTPS-proxy support:
 - gskit
 - nss
 - wolfSSL (versions earlier than v5.0.0)

Closes #9962
2022-11-28 13:56:23 +01:00
Patrick Monnerat
eb559c8056
mime: relax easy/mime structures binding
Deprecation and removal of codeset conversion support from the library
have released the strict need for an early binding of mime structures to
an easy handle (https://github.com/curl/curl/commit/2610142).

This constraint currently forces to create the handle before the mime
structure and the latter cannot be attached to another handle once
created (see https://curl.se/mail/lib-2022-08/0027.html).

This commit removes the handle pointers from the mime structures
allowing more flexibility on their use.

When an easy handle is duplicated, bound mime structures must however
still be duplicated too as their components hold send-time dynamic
information.

Closes #9927
2022-11-28 09:09:54 +01:00
Stefan Eissing
f18956d0ca
cfilter: re-add conn as parameter to cfilter setup methods
- `Curl_ssl_get_config()` now returns the first config if no SSL proxy
  filter is active

- socket filter starts connection only on first invocation of its
  connect method

Fixes #9982
Closes #9983
2022-11-26 16:56:46 +01:00
Daniel Gustafsson
2d9fee4504 netware: remove leftover traces
Commit 3b16575ae9 removed support for
building on Novell Netware, but a few leftover traces remained. This
removes the last bits.

Closes: #9966
Reviewed-by: Daniel Stenberg <daniel@haxx.se>
2022-11-23 11:56:52 +01:00
Stefan Eissing
af22c2a546
vtls: localization of state data in filters
- almost all backend calls pass the Curl_cfilter intance instead of
   connectdata+sockindex
 - ssl_connect_data is remove from struct connectdata and made internal
   to vtls
 - ssl_connect_data is allocated in the added filter, kept at cf->ctx

 - added function to let a ssl filter access its ssl_primary_config and
   ssl_config_data this selects the propert subfields in conn and data,
   for filters added as plain or proxy
 - adjusted all backends to use the changed api
 - adjusted all backends to access config data via the exposed
   functions, no longer using conn or data directly

cfilter renames for clear purpose:

 - methods `Curl_conn_*(data, conn, sockindex)` work on the complete
   filter chain at `sockindex` and connection `conn`.
 - methods `Curl_cf_*(cf, ...)` work on a specific Curl_cfilter
   instance.
 - methods `Curl_conn_cf()` work on/with filter instances at a
   connection.
 - rebased and resolved some naming conflicts
 - hostname validation (und session lookup) on SECONDARY use the same
   name as on FIRST (again).

new debug macros and removing connectdata from function signatures where not
needed.

adapting schannel for new Curl_read_plain paramter.

Closes #9919
2022-11-22 14:25:50 +01:00
Daniel Stenberg
bf12c2bed6
lib: remove bad set.opt_no_body assignments
This struct field MUST remain what the application set it to, so that
handle reuse and handle duplication work.

Instead, the request state bit 'no_body' is introduced for code flows
that need to change this in run-time.

Closes #9888
2022-11-11 15:56:05 +01:00
Stefan Eissing
dafdb20a26
lib: connection filters (cfilter) addition to curl:
- general construct/destroy in connectdata
 - default implementations of callback functions
 - connect: cfilters for connect and accept
 - socks: cfilter for socks proxying
 - http_proxy: cfilter for http proxy tunneling
 - vtls: cfilters for primary and proxy ssl
 - change in general handling of data/conn
 - Curl_cfilter_setup() sets up filter chain based on data settings,
   if none are installed by the protocol handler setup
 - Curl_cfilter_connect() boot straps filters into `connected` status,
   used by handlers and multi to reach further stages
 - Curl_cfilter_is_connected() to check if a conn is connected,
   e.g. all filters have done their work
 - Curl_cfilter_get_select_socks() gets the sockets and READ/WRITE
   indicators for multi select to work
 - Curl_cfilter_data_pending() asks filters if the have incoming
   data pending for recv
 - Curl_cfilter_recv()/Curl_cfilter_send are the general callbacks
   installed in conn->recv/conn->send for io handling
 - Curl_cfilter_attach_data()/Curl_cfilter_detach_data() inform filters
   and addition/removal of a `data` from their connection
 - adding vtl functions to prevent use of Curl_ssl globals directly
   in other parts of the code.

Reviewed-by: Daniel Stenberg
Closes #9855
2022-11-11 15:17:51 +01:00
Glenn Strauss
7f43f3dc59
transfer: upload performance; avoid tiny send
Append to the upload buffer when only small amount remains in buffer
rather than performing a separate tiny send to empty buffer.

Avoid degenerative upload behavior which might cause curl to send mostly
1-byte DATA frames after exhausing the h2 send window size

Related discussion: https://github.com/nghttp2/nghttp2/issues/1722

Signed-off-by: Glenn Strauss <gstrauss@gluelogic.com>
Closes #8965
2022-06-20 09:42:40 +02:00
max.mehl
ad9bc5976d
copyright: make repository REUSE compliant
Add licensing and copyright information for all files in this repository. This
either happens in the file itself as a comment header or in the file
`.reuse/dep5`.

This commit also adds a Github workflow to check pull requests and adapts
copyright.pl to the changes.

Closes #8869
2022-06-13 09:13:00 +02:00
Daniel Stenberg
6968fb9d54
lib: remove exclamation marks
... from infof() and failf() calls. Make them less attention seeking.

Closes #8713
2022-04-16 11:55:05 +02:00
Daniel Stenberg
5a9d7c4e68
pop3/smtp: return *WEIRD_SERVER_REPLY when not understood
This leaves the CURLE_RECV_ERROR error code for explicit failure to
receive network data and allows users to better separate the problems.

Ref #8356
Reported-by: Rianov Viacheslav
Closes #8506
2022-03-29 14:01:53 +02:00
Daniel Stenberg
7d600ad1c3
urldata: remove conn->bits.user_passwd
The authentication status should be told by the transfer and not the
connection.

Reported-by: John H. Ayad
Fixes #8449
Closes #8451
2022-02-16 10:28:31 +01:00
HenrikHolst
9bc3cebc92
misc: remove strlen for Curl_checkheaders + Curl_checkProxyheaders
Closes #8409
2022-02-10 08:51:06 +01:00
Daniel Stenberg
2610142139
lib: remove support for CURL_DOES_CONVERSIONS
TPF was the only user and support for that was dropped.

Closes #8378
2022-02-04 08:05:35 +01:00
Daniel Stenberg
7a92f865b4
misc: s/e-mail/email
Consistency is king. Following the lead in everything curl.

Closes #8159
2021-12-19 23:48:13 +01:00
Eddie Lumpkin
8e701cc978
lib: fixing comment spelling typos in lib files
Closes #7894
Signed-off-by: ewlumpkin <ewlumpkin@gmail.com>
2021-10-22 22:53:44 +02:00
Patrick Monnerat
3e2c1dcda8
sasl: binary messages
Capabilities of sasl module are extended to exchange messages in binary
as an alternative to base64.

If http authentication flags have been set, those are used as sasl
default preferred mechanisms.

Closes #6930
2021-10-02 23:30:37 +02:00
Patrick Monnerat
8ef147c436
ftp,imap,pop3,smtp: reject STARTTLS server response pipelining
If a server pipelines future responses within the STARTTLS response, the
former are preserved in the pingpong cache across TLS negotiation and
used as responses to the encrypted commands.

This fix detects pipelined STARTTLS responses and rejects them with an
error.

CVE-2021-22947

Bug: https://curl.se/docs/CVE-2021-22947.html
2021-09-13 16:51:31 +02:00
Daniel Stenberg
fe7b64228d
strerror.h: remove the #include from files not using it 2021-09-09 07:53:42 +02:00
Daniel Stenberg
e7416cfd2b
infof: remove newline from format strings, always append it
- the data needs to be "line-based" anyway since it's also passed to the
  debug callback/application

- it makes infof() work like failf() and consistency is good

- there's an assert that triggers on newlines in the format string

- Also removes a few instances of "..."

- Removes the code that would append "..." to the end of the data *iff*
  it was truncated in infof()

Closes #7357
2021-07-07 22:54:01 +02:00
Daniel Stenberg
a6da296867
vtls: only store TIMER_APPCONNECT for non-proxy connect
Introducing a 'isproxy' argument to the connect function so that it
knows wether to store the time stamp or not.

Reported-by: Yongkang Huang
Fixes #7274
Closes #7274
2021-06-19 23:02:16 +02:00
Daniel Stenberg
0c55fbab45
conn: add 'attach' to protocol handler, make libssh2 use it
The libssh2 backend has SSH session associated with the connection but
the callback context is the easy handle, so when a connection gets
attached to a transfer, the protocol handler now allows for a custom
function to get used to set things up correctly.

Reported-by: Michael O'Farrell
Fixes #6898
Closes #7078
2021-05-17 17:57:50 +02:00
Daniel Stenberg
a9bc819c89
sasl: use 'unsigned short' to store mechanism
... saves a few bytes of struct size in memory and it only uses
10 bits anyway.

Closes #7045
2021-05-12 00:16:52 +02:00
Daniel Stenberg
1763aceb0c
http: limit the initial send amount to used upload buffer size
Previously this logic would cap the send to CURL_MAX_WRITE_SIZE bytes,
but for the situations where a larger upload buffer has been set, this
function can benefit from sending more bytes. With default size used,
this does the same as before.

Also changed the storage of the size to an 'unsigned int' as it is not
allowed to be set larger than 2M.

Also added cautions to the man pages about changing buffer sizes in
run-time.

Closes #7022
2021-05-07 08:51:39 +02:00
Daniel Stenberg
5f08a5acd5
pingpong: rename the curl_pp_transfer enum to use PP prefix
Using an FTP prefix for PP provided functionality was misleading.
2021-02-04 23:06:03 +01:00
Daniel Stenberg
7173fe98ba
pingpong: remove the 'conn' struct member
... as it's superfluous now when Curl_easy is passed in and we can
derive the connection from that instead and avoid the duplicate copy.

Closes #6525
2021-01-26 10:12:59 +01:00
Daniel Stenberg
560fc170ec
url: reduce conn->data references
... there are a few left but let's keep them to last

Closes #6512
2021-01-26 10:00:59 +01:00
Patrick Monnerat
ecb13416e3
lib: remove conn->data uses
Closes #6499
2021-01-24 18:15:03 +01:00
Daniel Stenberg
a304051620
lib: more conn->data cleanups
Closes #6479
2021-01-19 09:14:51 +01:00
Patrick Monnerat
bbe3aa9f88
vtls: reduce conn->data use
Closes #6474
2021-01-19 09:14:40 +01:00
Daniel Stenberg
215db086e0
lib: pass in 'struct Curl_easy *' to most functions
... in most cases instead of 'struct connectdata *' but in some cases in
addition to.

- We mostly operate on transfers and not connections.

- We need the transfer handle to log, store data and more. Everything in
  libcurl is driven by a transfer (the CURL * in the public API).

- This work clarifies and separates the transfers from the connections
  better.

- We should avoid "conn->data". Since individual connections can be used
  by many transfers when multiplexing, making sure that conn->data
  points to the current and correct transfer at all times is difficult
  and has been notoriously error-prone over the years. The goal is to
  ultimately remove the conn->data pointer for this reason.

Closes #6425
2021-01-17 23:56:09 +01:00
Daniel Stenberg
a95a6ce6b8
urldata: remove 'void *protop' and create the union 'p'
... to avoid the use of 'void *' for the protocol specific structs done
per transfer.

Closes #6238
2020-11-23 16:16:16 +01:00
Daniel Stenberg
4d2f800677
curl.se: new home
Closes #6172
2020-11-04 23:59:47 +01:00
Daniel Stenberg
675eeb1c94
pingpong: use a dynbuf for the *_pp_sendf() function
... reuses the same dynamic buffer instead of doing repeated malloc/free
cycles.

Test case 100 (FTP dir list PASV) does 7 fewer memory allocation calls
after this change in my test setup (132 => 125), curl 7.72.0 needed 140
calls for this.

Test case 103 makes 9 less allocations now (130). Down from 149 in
7.72.0.

Closes #6004
2020-09-23 15:14:09 +02:00
Daniel Stenberg
6434a73984
Curl_handler: add 'family' to each protocol
Makes get_protocol_family() faster and it moves the knowledge about the
"families" to each protocol handler, where it belongs.

Closes #5986
2020-09-21 23:30:16 +02:00
Daniel Stenberg
265717d271
smtp_parse_address: handle blank input string properly
Closes #5792
2020-08-07 11:49:36 +02:00
Daniel Stenberg
31e53584db
escape: make the URL decode able to reject only %00 bytes
... or all "control codes" or nothing.

Assisted-by: Nicolas Sterchele
2020-06-25 09:57:18 +02:00
Daniel Stenberg
7414fb25a2
urldata: connect related booleans live in struct ConnectBits
And remove a few unused booleans!

Closes #5461
2020-05-27 08:02:47 +02:00
Daniel Stenberg
446fb0518b
smtp: set auth correctly
Regression since 7.69.0 and 68fb25fa3f.

The code wrongly assigned 'from' instead of 'auth' which probably was a
copy and paste mistake from other code, leading to that auth could
remain NULL and later cause an error to be returned.

Assisted-by: Eric Sauvageau
Fixes #5294
Closes #5295
2020-04-25 14:14:43 +02:00
Daniel Gustafsson
10822c652c lib: fix typos in comments and errormessages
This fixes a few randomly spotted typos in recently merged code, most
notably one in a userfacing errormessage the schannel code.
2020-04-20 10:12:22 +02:00
Daniel Stenberg
aeb292301a
smtp: overwriting 'from' leaks memory
Detected by Coverity. CID 1418139.

Also, make sure to return error if the new 'from' allocation fails.

Closes #4997
2020-02-28 16:52:33 +01:00
Daniel Stenberg
81ade13c37
smtp: fix memory leak on exit path
Detected by Coverity. CID 1418139. "leaked_storage: Variable 'from'
going out of scope leaks the storage it points to"

Closes #4990
2020-02-27 17:08:30 +01:00
Daniel Stenberg
1d1e9e8ad7
Curl_is_ASCII_name: handle a NULL argument
Make the function tolerate a NULL pointer input to avoid dereferencing
that pointer.

Follow-up to efce3ea5a8
Detected by OSS-Fuzz
Reviewed-By: Steve Holme
Bug: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20907
Fixes #4985
Closes #4986
2020-02-27 13:55:29 +01:00