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2019-11-08copyrights: fix copyright year rangeDaniel Stenberg
.. because checksrc's copyright year check stopped working. Ref: https://github.com/curl/curl/pull/4547 Closes https://github.com/curl/curl/pull/4549
2019-09-23vauth: The parameter 'status' must be surrounded by parenthesesDaniel Stenberg
PVS-Studio warning Fixes #4402
2019-09-10sspi: fix memory leaksmigueljcrum
Closes #4299
2019-08-26vauth: return CURLE_AUTH_ERROR on gss_init_sec_context() failureKamil Dudka
This is a follow-up to https://github.com/curl/curl/pull/3864 . Closes #4224
2019-08-20spnego_sspi: add typecast to fix build warningDaniel Stenberg
Reported in build "Win32 target on Debian Stretch (64-bit) - i686-w64-mingw32 - gcc-20170516" Closes #4245
2019-08-14vauth: Use CURLE_AUTH_ERROR for auth function errorsJay Satiro
- 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
2019-06-05build: fix Codacy warningsMarcel Raad
Reduce variable scopes and remove redundant variable stores. Closes https://github.com/curl/curl/pull/3975
2019-05-16cleanup: remove FIXME and TODO commentsDaniel Stenberg
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
2019-05-15http_negotiate: Move the Negotiate state out of the negotiatedata structureSteve Holme
Given that this member variable is not used by the SASL based protocols there is no need to have it here. Closes #3882
2019-05-13pingpong: disable more when no pingpong enabledDaniel Stenberg
2019-05-12auth: Rename the various authentication clean up functionsSteve Holme
For consistency and to a avoid confusion. Closes #3869
2019-05-10vauth: Fix incorrect function description for Curl_auth_user_contains_domain()Steve Holme
...and misalignment of these comments. From a78c61a4. Closes #3860
2019-05-10ntlm: Fix misaligned function comments for Curl_auth_ntlm_cleanup()Steve Holme
From 6012fa5a. Closes #3858
2019-05-09spnego_gssapi: fix return code on gss_init_sec_context() failureKamil Dudka
Fixes #3726 Closes #3849
2019-04-21vauth/cleartext: Don't send the authzid if it is emptySteve Holme
Follow up to 762a292f.
2019-04-11vauth/cleartext: Update the PLAIN login function signature to match RFC 4616Steve Holme
Functionally this doesn't change anything as we still use the username for both the authorisation identity and the authentication identity. Closes #3757
2019-04-02vauth/oauth2: Fix OAUTHBEARER token generationMert Yazıcıoğlu
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
2019-03-14Negotiate: fix for HTTP POST with NegotiateDominik Hölzl
* 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
2019-02-26strerror: make the strerror function use local buffersDaniel Stenberg
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
2019-02-04ntlm: fix *_type3_message size check to avoid buffer overflowDaniel Stenberg
Bug: https://curl.haxx.se/docs/CVE-2019-3822.html Reported-by: Wenxiang Qian CVE-2019-3822
2019-02-04NTLM: fix size check condition for type2 received dataDaniel Stenberg
Bug: https://curl.haxx.se/docs/CVE-2018-16890.html Reported-by: Wenxiang Qian CVE-2018-16890
2019-02-01spnego_sspi: add support for channel bindinggeorgeok
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
2019-01-19ntlm_sspi: add support for channel bindinggeorgeok
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
2019-01-11urldata: rename easy_conn to just connDaniel Stenberg
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
2019-01-01ntlm: update selection of type 3 responseMarkus Moeller
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
2018-11-23snprintf: renamed and we now only use msnprintf()Daniel Stenberg
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
2018-10-29Curl_auth_create_plain_message: fix too-large-input-checkDaniel Stenberg
CVE-2018-16839 Reported-by: Harry Sintonen Bug: https://curl.haxx.se/docs/CVE-2018-16839.html
2018-10-03memory: ensure to check allocation resultsDaniel Gustafsson
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>
2018-10-03comment: Fix multiple typos in function parametersDaniel Gustafsson
Ensure that the parameters in the comment match the actual names in the prototype. Closes #3079 Reviewed-by: Daniel Stenberg <daniel@haxx.se>
2018-06-11cppcheck: fix warningsMarian Klymov
- 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
2018-05-14ntlm: Fix format specifiersRikard Falkeborn
2018-04-16ntlm_sspi: fix authentication using Credential Managertoughengineer
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
2018-04-15vauth: Fix typoDaniel Gustafsson
Address various spellings of "credentials". Closes https://github.com/curl/curl/pull/2496
2018-04-15all: Refactor malloc+memset to use callocDaniel Gustafsson
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
2018-03-20vauth/cleartext: fix integer overflow checkDaniel Stenberg
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
2018-03-20vauth/ntlm.h: fix the #ifdef header guardDaniel Stenberg
Detected by lgtm.com
2017-11-21ntlm: remove unnecessary NULL-check to please scan-buildDaniel Stenberg
2017-10-28auth: add support for RFC7616 - HTTP Digest access authenticationFlorin
Signed-off-by: Florin <petriuc.florin@gmail.com>
2017-09-23ntlm: move NTLM_NEEDS_NSS_INIT define into core NTLM headerJay Satiro
.. and include the core NTLM header in all NTLM-related source files. Follow up to 6f86022. Since then http_ntlm checks NTLM_NEEDS_NSS_INIT but did not include vtls.h where it was defined. Closes https://github.com/curl/curl/pull/1911
2017-09-22ntlm: use strict order for SSL backend #if branchesViktor Szakats
With the recently introduced MultiSSL support multiple SSL backends can be compiled into cURL That means that now the order of the SSL One option would be to use the same SSL backend as was configured via `curl_global_sslset()`, however, NTLMv2 support would appear to be available only with some SSL backends. For example, when eb88d778e (ntlm: Use Windows Crypt API, 2014-12-02) introduced support for NTLMv1 using Windows' Crypt API, it specifically did *not* introduce NTLMv2 support using Crypt API at the same time. So let's select one specific SSL backend for NTLM support when compiled with multiple SSL backends, using a priority order such that we support NTLMv2 even if only one compiled-in SSL backend can be used for that. Ref: https://github.com/curl/curl/pull/1848
2017-09-06vtls: select ssl backend case-insensitive (follow-up)Gisle Vanem
- Do a case-insensitive comparison of CURL_SSL_BACKEND env as well. - Change Curl_strcasecompare calls to strcasecompare (maps to the former but shorter). Follow-up to c290b8f. Bug: https://github.com/curl/curl/commit/c290b8f#commitcomment-24094313 Co-authored-by: Jay Satiro
2017-09-02Curl_base64_encode: always call with a real data handle.Patrick Monnerat
Some calls in different modules were setting the data handle to NULL, causing segmentation faults when using builds that enable character code conversions.
2017-08-10digest_sspi: Don't reuse context if the user/passwd has changedJay Satiro
Bug: https://github.com/curl/curl/issues/1685 Reported-by: paulharris@users.noreply.github.com Assisted-by: Isaac Boukris Closes https://github.com/curl/curl/pull/1742
2017-08-05gssapi: fix memory leak of output token in multi round contextIsaac Boukris
When multiple rounds are needed to establish a security context (usually ntlm), we overwrite old token with a new one without free. Found by proposed gss tests using stub a gss implementation (by valgrind error), though I have confirmed the leak with a real gssapi implementation as well. Closes https://github.com/curl/curl/pull/1733
2017-05-08rand: treat fake entropy the same regardless of endiannessJay Satiro
When the random seed is purposely made predictable for testing purposes by using the CURL_ENTROPY environment variable, process that data in an endian agnostic way so the the initial random seed is the same regardless of endianness. - Change Curl_rand to write to a char array instead of int array. - Add Curl_rand_hex to write random hex characters to a buffer. Fixes #1315 Closes #1468 Co-authored-by: Daniel Stenberg Reported-by: Michael Kaufmann
2017-04-22lib: fix maybe-uninitialized warningsMarcel Raad
With -Og, GCC complains: easy.c:628:7: error: ‘mcode’ may be used uninitialized in this function [-Werror=maybe-uninitialized] ../lib/strcase.h:35:29: error: ‘tok_buf’ may be used uninitialized in this function [-Werror=maybe-uninitialized] vauth/digest.c:208:9: note: ‘tok_buf’ was declared here ../lib/strcase.h:35:29: error: ‘tok_buf’ may be used uninitialized in this function [-Werror=maybe-uninitialized] vauth/digest.c:566:15: note: ‘tok_buf’ was declared here Fix this by initializing the variables.
2017-04-07sspi: print out InitializeSecurityContext() error messageIsaac Boukris
Reported-by: Carsten (talksinmath) Fixes #1384 Closes #1395
2017-03-29NTLM: check for features with #ifdef instead of #ifMarcel Raad
Feature defines are normally checked with #ifdef instead of #if in the rest of the codebase. Additionally, some compilers warn when a macro is implicitly evaluated to 0 because it is not defined, which was the case here. Ref: https://github.com/curl/curl/pull/1362#discussion_r108605101 Closes https://github.com/curl/curl/pull/1367
2017-03-26spelling fixesklemens
Closes #1356
2017-02-27digest_sspi: fix compilation warningMarcel Raad
MSVC complains: warning C4701: potentially uninitialized local variable 'output_token_len' used
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