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Commit Graph

109 Commits

Author SHA1 Message Date
Daniel Stenberg
376d5bb323
ntlm: free target_info before (re-)malloc
OSS-Fuzz found a way this could get called again with the pointer still
pointing to a malloc'ed memory, leading to a leak.

Bug: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24379

Closes #5724
2020-07-26 23:48:36 +02:00
Ruurd Beerstra
d80d419d3e
ntlm: enable NTLM support with wolfSSL
When wolfSSL is built with its OpenSSL API layer, it fetures the same DES*
functions that OpenSSL has. This change take advantage of that.

Co-authored-by: Daniel Stenberg
Closes #5556
Fixes #5548
2020-06-16 09:06:19 +02:00
Daniel Stenberg
d75e6ce85a
copyright: updated year ranges out of sync
... and whitelisted a few more files in the the copyright.pl script.
2020-05-24 00:02:33 +02:00
Daniel Stenberg
8df455479f
source cleanup: remove all custom typedef structs
- Stick to a single unified way to use structs
 - Make checksrc complain on 'typedef struct {'
 - Allow them in tests, public headers and examples

 - Let MD4_CTX, MD5_CTX, and SHA256_CTX typedefs remain as they actually
   typedef different types/structs depending on build conditions.

Closes #5338
2020-05-15 08:54:42 +02:00
Marcel Raad
a55c835e6b
curl_multibyte: add to curlx
This will also be needed in the tool and tests.

Ref: https://github.com/curl/curl/pull/3758#issuecomment-482197512
Closes https://github.com/curl/curl/pull/3784
2020-05-14 18:13:27 +02:00
Major_Tom
8e762199b0
vauth/cleartext: fix theoretical integer overflow
Fix theoretical integer overflow in Curl_auth_create_plain_message.

The security impact of the overflow was discussed on hackerone. We
agreed this is more of a theoretical vulnerability, as the integer
overflow would only be triggerable on systems using 32-bits size_t with
over 4GB of available memory space for the process.

Closes #5391
2020-05-14 08:36:35 +02:00
Peter Wang
1c341e2270
*_sspi: fix bad uses of CURLE_NOT_BUILT_IN
Return CURLE_AUTH_ERROR instead of CURLE_NOT_BUILT_IN for other
instances of QuerySecurityPackageInfo failing, as in
commit 2a81439553.

Closes #5355
2020-05-08 08:37:56 +02:00
Daniel Stenberg
2a81439553
ntlm_sspi: fix bad use of CURLE_NOT_BUILT_IN
That return code is reserved for build-time conditional code not being
present while this was a regular run-time error from a Windows API.

Reported-by: wangp on github
Fixes #5349
Closes #5350
2020-05-07 12:58:57 +02:00
Steve Holme
2d432f7e49
ntlm: Removed the dependency on the TLS libaries when using MD5
As we have our own MD5 implementation use the MD5 wrapper to remove the
TLS dependency.

Closes #4967
2020-02-23 07:52:19 +00:00
Steve Holme
37dc4df270
md5/sha256: Updated the functions to allow non-string data to be hashed 2020-02-23 07:50:33 +00:00
Steve Holme
4959be810b
digest: Corrected the name of the local HTTP digest function
Follow up to 2b5b37cb. Local static functions do not require the Curl
prefix.
2020-02-23 07:50:18 +00:00
Pierre-Yves Bigourdan
feba3f0549
digest: Do not quote algorithm in HTTP authorisation
RFC 7616 section 3.4 (The Authorization Header Field) states that "For
historical reasons, a sender MUST NOT generate the quoted string syntax
for the following parameters: algorithm, qop, and nc". This removes the
quoting for the algorithm parameter.

Reviewed-by: Steve Holme
Closes #4890
2020-02-07 22:46:21 +01:00
Daniel Stenberg
0bc60d91de
copyrights: fix copyright year range
.. because checksrc's copyright year check stopped working.

Ref: https://github.com/curl/curl/pull/4547

Closes https://github.com/curl/curl/pull/4549
2019-11-08 14:51:42 +01:00
Daniel Stenberg
89d972f24c
vauth: The parameter 'status' must be surrounded by parentheses
PVS-Studio warning
Fixes #4402
2019-09-23 22:44:01 +02:00
migueljcrum
67b30b3418
sspi: fix memory leaks
Closes #4299
2019-09-10 08:06:05 +02:00
Kamil Dudka
7e513c1048 vauth: return CURLE_AUTH_ERROR on gss_init_sec_context() failure
This is a follow-up to https://github.com/curl/curl/pull/3864 .

Closes #4224
2019-08-26 13:43:21 +02:00
Daniel Stenberg
23803aae7b
spnego_sspi: add typecast to fix build warning
Reported in build "Win32 target on Debian Stretch (64-bit) -
i686-w64-mingw32 - gcc-20170516"

Closes #4245
2019-08-20 23:06:19 +02:00
Jay Satiro
dca6f73613 vauth: Use CURLE_AUTH_ERROR for auth function errors
- Add new error code CURLE_AUTH_ERROR.

Prior to this change auth function errors were signaled by
CURLE_OUT_OF_MEMORY and CURLE_RECV_ERROR, and neither one was
technically correct.

Ref: https://github.com/curl/curl/pull/3848

Co-authored-by: Dominik Hölzl

Closes https://github.com/curl/curl/pull/3864
2019-08-14 03:14:01 -04:00
Marcel Raad
e23c52b329
build: fix Codacy warnings
Reduce variable scopes and remove redundant variable stores.

Closes https://github.com/curl/curl/pull/3975
2019-06-05 20:38:06 +02:00
Daniel Stenberg
8ece8177f1
cleanup: remove FIXME and TODO comments
They serve very little purpose and mostly just add noise. Most of them
have been around for a very long time. I read them all before removing
or rephrasing them.

Ref: #3876
Closes #3883
2019-05-16 09:16:56 +02:00
Steve Holme
e832d1ef74
http_negotiate: Move the Negotiate state out of the negotiatedata structure
Given that this member variable is not used by the SASL based protocols
there is no need to have it here.

Closes #3882
2019-05-15 00:32:42 +01:00
Daniel Stenberg
93c4de6974
pingpong: disable more when no pingpong enabled 2019-05-13 08:17:10 +02:00
Steve Holme
52dfab65d6
auth: Rename the various authentication clean up functions
For consistency and to a avoid confusion.

Closes #3869
2019-05-12 18:37:00 +01:00
Steve Holme
0424605fc7 vauth: Fix incorrect function description for Curl_auth_user_contains_domain()
...and misalignment of these comments. From a78c61a4.

Closes #3860
2019-05-10 22:12:03 +01:00
Steve Holme
e7a1bc8ee4 ntlm: Fix misaligned function comments for Curl_auth_ntlm_cleanup()
From 6012fa5a.

Closes #3858
2019-05-10 00:07:44 +01:00
Kamil Dudka
f65845c1ec spnego_gssapi: fix return code on gss_init_sec_context() failure
Fixes #3726
Closes #3849
2019-05-09 09:41:14 +02:00
Steve Holme
f0950acc07 vauth/cleartext: Don't send the authzid if it is empty
Follow up to 762a292f.
2019-04-21 23:34:21 +01:00
Steve Holme
762a292f87 vauth/cleartext: Update the PLAIN login function signature to match RFC 4616
Functionally this doesn't change anything as we still use the username
for both the authorisation identity and the authentication identity.

Closes #3757
2019-04-11 22:43:30 +01:00
Mert Yazıcıoğlu
6227e2bd07 vauth/oauth2: Fix OAUTHBEARER token generation
OAUTHBEARER tokens were incorrectly generated in a format similar to
XOAUTH2 tokens. These changes make OAUTHBEARER tokens conform to the
RFC7628.

Fixes: #2487
Reported-by: Paolo Mossino

Closes https://github.com/curl/curl/pull/3377
2019-04-02 15:52:12 -04:00
Dominik Hölzl
6c60355323
Negotiate: fix for HTTP POST with Negotiate
* Adjusted unit tests 2056, 2057
* do not generally close connections with CURLAUTH_NEGOTIATE after every request
* moved negotiatedata from UrlState to connectdata
* Added stream rewind logic for CURLAUTH_NEGOTIATE
* introduced negotiatedata::GSS_AUTHDONE and negotiatedata::GSS_AUTHSUCC
* Consider authproblem state for CURLAUTH_NEGOTIATE
* Consider reuse_forbid for CURLAUTH_NEGOTIATE
* moved and adjusted negotiate authentication state handling from
  output_auth_headers into Curl_output_negotiate
* Curl_output_negotiate: ensure auth done is always set
* Curl_output_negotiate: Set auth done also if result code is
  GSS_S_CONTINUE_NEEDED/SEC_I_CONTINUE_NEEDED as this result code may
  also indicate the last challenge request (only works with disabled
  Expect: 100-continue and CURLOPT_KEEP_SENDING_ON_ERROR -> 1)
* Consider "Persistent-Auth" header, detect if not present;
  Reset/Cleanup negotiate after authentication if no persistent
  authentication
* apply changes introduced with #2546 for negotiate rewind logic

Fixes #1261
Closes #1975
2019-03-14 09:26:03 +01:00
Daniel Stenberg
880cd5dd20
strerror: make the strerror function use local buffers
Instead of using a fixed 256 byte buffer in the connectdata struct.

In my build, this reduces the size of the connectdata struct by 11.8%,
from 2160 to 1904 bytes with no functionality or performance loss.

This also fixes a bug in schannel's Curl_verify_certificate where it
called Curl_sspi_strerror when it should have called Curl_strerror for
string from GetLastError. the only effect would have been no text or the
wrong text being shown for the error.

Co-authored-by: Jay Satiro

Closes #3612
2019-02-26 10:20:21 +01:00
Daniel Stenberg
50c9484278
ntlm: fix *_type3_message size check to avoid buffer overflow
Bug: https://curl.haxx.se/docs/CVE-2019-3822.html
Reported-by: Wenxiang Qian
CVE-2019-3822
2019-02-04 08:22:32 +01:00
Daniel Stenberg
b780b30d13
NTLM: fix size check condition for type2 received data
Bug: https://curl.haxx.se/docs/CVE-2018-16890.html
Reported-by: Wenxiang Qian
CVE-2018-16890
2019-02-04 08:22:31 +01:00
georgeok
a730432e59
spnego_sspi: add support for channel binding
Attempt to add support for Secure Channel binding when negotiate
authentication is used. The problem to solve is that by default IIS
accepts channel binding and curl doesn't utilise them. The result was a
401 response. Scope affects only the Schannel(winssl)-SSPI combination.

Fixes https://github.com/curl/curl/issues/3503
Closes https://github.com/curl/curl/pull/3509
2019-02-01 09:56:27 +01:00
georgeok
0966233744 ntlm_sspi: add support for channel binding
Windows extended potection (aka ssl channel binding) is required
to login to ntlm IIS endpoint, otherwise the server returns 401
responses.

Fixes #3280
Closes #3321
2019-01-19 13:00:53 +01:00
Daniel Stenberg
ba243235ec
urldata: rename easy_conn to just conn
We use "conn" everywhere to be a pointer to the connection.

Introduces two functions that "attaches" and "detaches" the connection
to and from the transfer.

Going forward, we should favour using "data->conn" (since a transfer
always only has a single connection or none at all) to "conn->data"
(since a connection can have none, one or many transfers associated with
it and updating conn->data to be correct is error prone and a frequent
reason for internal issues).

Closes #3442
2019-01-11 15:35:13 +01:00
Markus Moeller
7bcca93459 ntlm: update selection of type 3 response
NTLM2 did not work i.e. no NTLMv2 response was created. Changing the
check seems to work.

Ref: https://winprotocoldoc.blob.core.windows.net/productionwindowsarchives/MS-NLMP/[MS-NLMP].pdf

Fixes https://github.com/curl/curl/issues/3286
Closes https://github.com/curl/curl/pull/3287
Closes https://github.com/curl/curl/pull/3415
2019-01-01 11:47:17 +01:00
Daniel Stenberg
dcd6f81025
snprintf: renamed and we now only use msnprintf()
The function does not return the same value as snprintf() normally does,
so readers may be mislead into thinking the code works differently than
it actually does. A different function name makes this easier to detect.

Reported-by: Tomas Hoger
Assisted-by: Daniel Gustafsson
Fixes #3296
Closes #3297
2018-11-23 08:26:51 +01:00
Daniel Stenberg
f3a24d7916
Curl_auth_create_plain_message: fix too-large-input-check
CVE-2018-16839
Reported-by: Harry Sintonen
Bug: https://curl.haxx.se/docs/CVE-2018-16839.html
2018-10-29 08:05:23 +01:00
Daniel Gustafsson
2873971d62 memory: ensure to check allocation results
The result of a memory allocation should always be checked, as we may
run under memory pressure where even a small allocation can fail. This
adds checking and error handling to a few cases where the allocation
wasn't checked for success. In the ftp case, the freeing of the path
variable is moved ahead of the allocation since there is little point
in keeping it around across the strdup, and the separation makes for
more readable code. In nwlib, the lock is aslo freed in the error path.

Also bumps the copyright years on affected files.

Closes #3084
Reviewed-by: Jay Satiro <raysatiro@yahoo.com>
Reviewed-by: Daniel Stenberg <daniel@haxx.se>
2018-10-03 23:45:38 +02:00
Daniel Gustafsson
e182fc1613 comment: Fix multiple typos in function parameters
Ensure that the parameters in the comment match the actual names in the
prototype.

Closes #3079
Reviewed-by: Daniel Stenberg <daniel@haxx.se>
2018-10-03 10:27:27 +02:00
Marian Klymov
c45360d463
cppcheck: fix warnings
- Get rid of variable that was generating false positive warning
(unitialized)

- Fix issues in tests

- Reduce scope of several variables all over

etc

Closes #2631
2018-06-11 11:14:48 +02:00
Rikard Falkeborn
b9446d18e7
ntlm: Fix format specifiers 2018-05-14 09:42:27 +02:00
toughengineer
bc4b8c9717
ntlm_sspi: fix authentication using Credential Manager
If you pass empty user/pass asking curl to use Windows Credential
Storage (as stated in the docs) and it has valid credentials for the
domain, e.g.
curl -v -u : --ntlm example.com
currently authentication fails.
This change fixes it by providing proper SPN string to the SSPI API
calls.

Fixes https://github.com/curl/curl/issues/1622
Closes https://github.com/curl/curl/pull/1660
2018-04-16 20:43:21 +02:00
Daniel Gustafsson
36f0f47887 vauth: Fix typo
Address various spellings of "credentials".

Closes https://github.com/curl/curl/pull/2496
2018-04-15 03:25:48 -04:00
Daniel Gustafsson
94400f32e9 all: Refactor malloc+memset to use calloc
When a zeroed out allocation is required, use calloc() rather than
malloc() followed by an explicit memset(). The result will be the
same, but using calloc() everywhere increases consistency in the
codebase and avoids the risk of subtle bugs when code is injected
between malloc and memset by accident.

Closes https://github.com/curl/curl/pull/2497
2018-04-15 03:00:37 -04:00
Daniel Stenberg
c1366571b6
vauth/cleartext: fix integer overflow check
Make the integer overflow check not rely on the undefined behavior that
a size_t wraps around on overflow.

Detected by lgtm.com
Closes #2408
2018-03-20 19:25:50 +01:00
Daniel Stenberg
d7f0d2b823
vauth/ntlm.h: fix the #ifdef header guard
Detected by lgtm.com
2018-03-20 15:00:09 +01:00
Daniel Stenberg
46e852ce26
ntlm: remove unnecessary NULL-check to please scan-build 2017-11-21 09:02:40 +01:00
Florin
2b5b37cb91
auth: add support for RFC7616 - HTTP Digest access authentication
Signed-off-by: Florin <petriuc.florin@gmail.com>
2017-10-28 16:32:43 +02:00