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Commit Graph

1556 Commits

Author SHA1 Message Date
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
Gergely Nagy
182ff2d63c
vtls: deduplicate client certificates in ssl_config_data
Closes #5629
2020-09-14 12:56:47 +02:00
Diven Qi
3532262edd
url: use blank credentials when using proxy w/o username and password
Fixes proxy regression brought in commit ad829b21ae (7.71.0)

Fixed #5911
Closes #5914
2020-09-08 00:48:09 +02:00
Daniel Stenberg
f93455eb04
altsvc: clone setting in curl_easy_duphandle
The cache content is not duplicated, like other caches, but the setting
and specified file name are.

Test 1908 is extended to verify this somewhat. Since the duplicated
handle gets the same file name, the test unfortunately overwrites the
same file twice (with different contents) which makes it hard to check
automatically.

Closes #5923
2020-09-06 09:54:54 +02:00
Martin Bašti
3eff1c5092
http_proxy: do not crash with HTTPS_PROXY and NO_PROXY set
... in case NO_PROXY takes an effect

Without this patch, the following command crashes:

    $ GIT_CURL_VERBOSE=1 NO_PROXY=github.com HTTPS_PROXY=https://example.com \
        git clone https://github.com/curl/curl.git

Minimal libcurl-based reproducer:

    #include <curl/curl.h>

    int main() {
      CURL *curl = curl_easy_init();
      if(curl) {
        CURLcode ret;
        curl_easy_setopt(curl, CURLOPT_URL, "https://github.com/");
        curl_easy_setopt(curl, CURLOPT_PROXY, "example.com");
        /* set the proxy type */
        curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_HTTPS);
        curl_easy_setopt(curl, CURLOPT_NOPROXY, "github.com");
        curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
        ret = curl_easy_perform(curl);
        curl_easy_cleanup(curl);
        return ret;
      }
      return -1;
    }

Assisted-by: Kamil Dudka
Bug: https://bugzilla.redhat.com/1873327
Closes #5902
2020-09-03 08:01:56 +02:00
Daniel Stenberg
9b3f888a00
llist: make it "struct Curl_llist"
As internal global names should use captical C.

Closes #5906
2020-09-02 22:41:58 +02:00
Daniel Stenberg
e37e446868
mqtt: enable by default
No longer considered experimental.

Closes #5858
2020-08-31 09:45:09 +02:00
Michael Baentsch
ede125b7b7
tls: add CURLOPT_SSL_EC_CURVES and --curves
Closes #5892
2020-08-30 17:24:04 +02:00
Daniel Stenberg
a337355487
url: remove funny embedded comments in Curl_disonnect calls 2020-08-30 17:03:48 +02:00
Chris Paulson-Ellis
728f8d3bdc
conn: check for connection being dead before reuse
Prevents incorrect reuse of an HTTP connection that has been prematurely
shutdown() by the server.

Partial revert of 755083d00d

Fixes #5884
Closes #5893
2020-08-30 16:59:16 +02:00
Marcel Raad
f504f18641 ntlm: fix condition for curl_ntlm_core usage
`USE_WINDOWS_SSPI` without `USE_WIN32_CRYPTO` but with any other DES
backend is fine, but was excluded before.

This also fixes test 1013 as the condition for SMB support in
configure.ac didn't match the condition in the source code. Now it
does.

Fixes https://github.com/curl/curl/issues/1262
Closes https://github.com/curl/curl/pull/5771
2020-08-29 10:08:32 +02:00
Daniel Stenberg
3c9e021f86
Curl_easy: remember last connection by id, not by pointer
CVE-2020-8231

Bug: https://curl.haxx.se/docs/CVE-2020-8231.html

Reported-by: Marc Aldorasi
Closes #5824
2020-08-17 14:33:09 +02:00
Jay Satiro
a12a16151a url: fix CURLU and location following
Prior to this change if the user set a URL handle (CURLOPT_CURLU) it was
incorrectly used for the location follow, resulting in infinite requests
to the original location.

Reported-by: sspiri@users.noreply.github.com

Fixes https://github.com/curl/curl/issues/5709
Closes https://github.com/curl/curl/pull/5713
2020-07-30 11:57:35 -04:00
Marcel Raad
19b96ba385
url: silence MSVC warning
Since commit f3d501dc67, if proxy support is disabled, MSVC warns:
url.c : warning C4701: potentially uninitialized local variable
'hostaddr' used
url.c : error C4703: potentially uninitialized local pointer variable
'hostaddr' used

That could actually only happen if both `conn->bits.proxy` and
`CURL_DISABLE_PROXY` were enabled.
Initialize it to NULL to silence the warning.

Closes https://github.com/curl/curl/pull/5638
2020-07-02 13:31:22 +02:00
Daniel Stenberg
9bfe665913
vtls: compare cert blob when finding a connection to reuse
Reported-by: Gergely Nagy
Fixes #5617
Closes #5619
2020-06-29 09:01:55 +02:00
Daniel Stenberg
d5ed571948
url: allow user + password to contain "control codes" for HTTP(S)
Reported-by: Jon Johnson Jr
Fixes #5582
Closes #5592
2020-06-25 09:57:19 +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
ff1c37cbe3
url: make sure pushed streams get an allocated download buffer
Follow-up to c4e6968127

When a new transfer is created, as a resuly of an acknowledged push,
that transfer needs a download buffer allocated.

Closes #5590
2020-06-23 15:13:27 +02:00
Daniel Stenberg
e15e51384a
http: move header storage to Curl_easy from connectdata
Since the connection can be used by many independent requests (using
HTTP/2 or HTTP/3), things like user-agent and other transfer-specific
data MUST NOT be kept connection oriented as it could lead to requests
getting the wrong string for their requests. This struct data was
lingering like this due to old HTTP1 legacy thinking where it didn't
mattered..

Fixes #5566
Closes #5567
2020-06-15 22:56:25 +02:00
Daniel Stenberg
d957ed4941
trailers: switch h1-trailer logic to use dynbuf
In the continued effort to remove "manual" realloc schemes.

Closes #5524
2020-06-05 17:57:24 +02:00
Daniel Stenberg
9c845be279
urldata: let the HTTP method be in the set.* struct
When the method is updated inside libcurl we must still not change the
method as set by the user as then repeated transfers with that same
handle might not execute the same operation anymore!

This fixes the libcurl part of #5462

Test 1633 added to verify.

Closes #5499
2020-06-02 16:30:36 +02:00
Daniel Stenberg
f3d501dc67
build: disable more code/data when built without proxy support
Added build to travis to verify

Closes #5466
2020-05-30 23:18:16 +02:00
Daniel Stenberg
c4e6968127
url: alloc the download buffer at transfer start
... and free it as soon as the transfer is done. It removes the extra
alloc when a new size is set with setopt() and reduces memory for unused
easy handles.

In addition: the closure_handle now doesn't use an allocated buffer at
all but the smallest supported size as a stack based one.

Closes #5472
2020-05-30 23:14:33 +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
d23cc224e6
cleanup: use a single space after equals sign in assignments 2020-05-26 08:28:38 +02:00
Daniel Stenberg
ad829b21ae
url: accept "any length" credentials for proxy auth
They're only limited to the maximum string input restrictions, not to
256 bytes.

Added test 1178 to verify

Reported-by: Will Roberts
Fixes #5448
Closes #5449
2020-05-25 23:08:57 +02:00
Gilles Vollant
cac5374298
setopt: support certificate options in memory with struct curl_blob
This change introduces a generic way to provide binary data in setopt
options, called BLOBs.

This change introduces these new setopts:

CURLOPT_ISSUERCERT_BLOB, CURLOPT_PROXY_SSLCERT_BLOB,
CURLOPT_PROXY_SSLKEY_BLOB, CURLOPT_SSLCERT_BLOB and CURLOPT_SSLKEY_BLOB.

Reviewed-by: Daniel Stenberg
Closes #5357
2020-05-15 13:03:59 +02:00
Daniel Stenberg
600a8cded4
url: make the updated credentials URL-encoded in the URL
Found-by: Gregory Jefferis
Reported-by: Jeroen Ooms
Added test 1168 to verify. Bug spotted when doing a redirect.
Bug: https://github.com/jeroen/curl/issues/224
Closes #5400
2020-05-14 17:59:47 +02:00
Daniel Stenberg
66b0775763
checksrc: enhance the ASTERISKSPACE and update code accordingly
Fine: "struct hello *world"

Not fine: "struct hello* world" (and variations)

Closes #5386
2020-05-14 00:02:05 +02:00
Daniel Stenberg
e1f3f3a14f
url: reject too long input when parsing credentials
Since input passed to libcurl with CURLOPT_USERPWD and
CURLOPT_PROXYUSERPWD circumvents the regular string length check we have
in Curl_setstropt(), the input length limit is enforced in
Curl_parse_login_details too, separately.

Reported-by: Thomas Bouzerar
Closes #5383
2020-05-13 08:02:42 +02:00
Daniel Stenberg
db8866fad9
url: sort the protocol schemes in rough popularity order
When looking for a protocol match among supported schemes, check the
most "popular" schemes first. It has zero functionality difference and
for all practical purposes a speed difference will not be measureable
but it still think it makes sense to put the least likely matches last.

"Popularity" based on the 2019 user survey.

Closes #5377
2020-05-12 08:22:04 +02:00
Daniel Stenberg
ed35d6590e
dynbuf: introduce internal generic dynamic buffer functions
A common set of functions instead of many separate implementations for
creating buffers that can grow when appending data to them. Existing
functionality has been ported over.

In my early basic testing, the total number of allocations seem at
roughly the same amount as before, possibly a few less.

See docs/DYNBUF.md for a description of the API.

Closes #5300
2020-05-04 10:40:39 +02:00
Daniel Stenberg
c069027139
conncache: various concept cleanups
More connection cache accesses are protected by locks.

CONNCACHE_* is a beter prefix for the connection cache lock macros.

Curl_attach_connnection: now called as soon as there's a connection
struct available and before the connection is added to the connection
cache.

Curl_disconnect: now assumes that the connection is already removed from
the connection cache.

Ref: #4915
Closes #5009
2020-04-30 14:27:54 +02:00
Bjorn Stenberg
2522903b79
mqtt: add new experimental protocol
Closes #5173
2020-04-14 13:03:40 +02:00
Daniel Stenberg
d4afa0fc20
url: allow non-HTTPS altsvc-matching for debug builds
This is already partly supported but this part was missing.
Reported-by: James Fuller

Closes #5205
2020-04-09 17:46:24 +02:00
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
Steve Holme
9352a40779
url: Make the IDN conversion functions available to others 2020-02-26 11:01:47 +00:00
Daniel Stenberg
14916a82e2
altsvc: make saving the cache an atomic operation
... by writing the file to temp name then rename to the final when done.

Assisted-by: Jay Satiro
Fixes #4936
Closes #4942
2020-02-18 07:49:21 +01:00
Steve Holme
f8f4a94465
url: Include the failure reason when curl_win32_idn_to_ascii() fails
Provide the failure reason in the failf() info just as we do for the
libidn2 version of code.

Closes #4899
2020-02-09 11:38:54 +00:00
Pedro Monreal
4b6fd29f1a cleanup: fix typos and wording in docs and comments
Closes #4869
Reviewed-by: Emil Engler and Daniel Gustafsson
2020-02-02 18:43:01 +01:00
Steve Holme
6ef123522a ntlm: Move the winbind data into the NTLM data structure
To assist with adding winbind support to the SASL NTLM authentication,
move the winbind specific data out of conndata into ntlmdata.
2020-02-02 12:23:48 +01:00
Daniel Stenberg
db9af34634
multi_done: if multiplexed, make conn->data point to another transfer
... since the current transfer is being killed. Setting to NULL is
wrong, leaving it pointing to 'data' is wrong since that handle might be
about to get freed.

Fixes #4845
Closes #4858
Reported-by: dmitrmax on github
2020-01-28 13:00:41 +01:00
Peter Piekarski
34e6bc42b0
conn: do not reuse connection if SOCKS proxy credentials differ
Closes #4835
2020-01-24 17:00:58 +01:00
nao
dea17b519d
http: move "oauth_bearer" from connectdata to Curl_easy
Fixes the bug where oauth_bearer gets deallocated when we re-use a
connection.

Closes #4824
2020-01-21 10:32:43 +01:00
Daniel Stenberg
9607532873
ConnectionExists: respect the max_concurrent_streams limits
A regression made the code use 'multiplexed' as a boolean instead of the
counter it is intended to be. This made curl try to "over-populate"
connections with new streams.

This regression came with 41fcdf71a1, shipped in curl 7.65.0.

Also, respect the CURLMOPT_MAX_CONCURRENT_STREAMS value in the same
check.

Reported-by: Kunal Ekawde
Fixes #4779
Closes #4784
2020-01-13 15:44:58 +01:00
Daniel Stenberg
6773c7ca65
wolfSSH: new SSH backend
Adds support for SFTP (not SCP) using WolfSSH.

Closes #4231
2020-01-12 17:19:12 +01:00
Daniel Stenberg
8c0807aa16
create_conn: prefer multiplexing to using new connections
... as it would previously prefer new connections rather than
multiplexing in most conditions! The (now removed) code was a leftover
from the Pipelining code that was translated wrongly into a
multiplex-only world.

Reported-by: Kunal Ekawde
Bug: https://curl.haxx.se/mail/lib-2019-12/0060.html
Closes #4732
2019-12-19 09:00:56 +01:00
Daniel Stenberg
ee263de7a3
conncache: fix multi-thread use of shared connection cache
It could accidentally let the connection get used by more than one
thread, leading to double-free and more.

Reported-by: Christopher Reid
Fixes #4544
Closes #4557
2019-12-09 15:30:09 +01:00
Jay Satiro
9c1806ae46 build: Disable Visual Studio warning "conditional expression is constant"
- Disable warning C4127 "conditional expression is constant" globally
  in curl_setup.h for when building with Microsoft's compiler.

This mainly affects building with the Visual Studio project files found
in the projects dir.

Prior to this change the cmake and winbuild build systems already
disabled 4127 globally for when building with Microsoft's compiler.
Also, 4127 was already disabled for all build systems in the limited
circumstance of the WHILE_FALSE macro which disabled the warning
specifically for while(0). This commit removes the WHILE_FALSE macro and
all other cruft in favor of disabling globally in curl_setup.

Background:

We have various macros that cause 0 or 1 to be evaluated, which would
cause warning C4127 in Visual Studio. For example this causes it:

    #define Curl_resolver_asynch() 1

Full behavior is not clearly defined and inconsistent across versions.
However it is documented that since VS 2015 Update 3 Microsoft has
addressed this somewhat but not entirely, not warning on while(true) for
example.

Prior to this change some C4127 warnings occurred when I built with
Visual Studio using the generated projects in the projects dir.

Closes https://github.com/curl/curl/pull/4658
2019-12-01 19:01:02 -05:00
Jay Satiro
1f6a18685e lib: Move lib/ssh.h -> lib/vssh/ssh.h
Follow-up to 5b2d703 which moved ssh source files to vssh.

Closes https://github.com/curl/curl/pull/4609
2019-11-17 23:27:39 -05:00