Commit Graph

119 Commits

Author SHA1 Message Date
Daniel Stenberg b09c8ee157
vtls: add 'isproxy' argument to Curl_ssl_get/addsessionid()
To make sure we set and extract the correct session.

Reported-by: Mingtao Yang
Bug: https://curl.se/docs/CVE-2021-22890.html

CVE-2021-22890
2021-03-28 23:19:56 +02:00
Jacob Hoffman-Andrews 246399a874
vtls: initial implementation of rustls backend
This adds a new TLS backend, rustls. It uses the C-to-rustls bindings
from https://github.com/abetterinternet/crustls.

Rustls is at https://github.com/ctz/rustls/.

There is still a fair bit to be done, like sending CloseNotify on
connection shutdown, respecting CAPATH, and properly indicating features
like "supports TLS 1.3 ciphersuites." But it works well enough to make
requests and receive responses.

Blog post for context:
https://www.abetterinternet.org/post/memory-safe-curl/

Closes #6350
2021-02-09 11:06:18 +01:00
Jacob Hoffman-Andrews c30bf22f1c
vtls: factor out Curl_ssl_getsock to field of Curl_ssl
Closes #6558
2021-02-08 14:10:55 +01:00
Daniel Stenberg 2c4b338f7e
vtls: remove md5sum
As it is not used anymore.

Reported-by: Jacob Hoffman-Andrews
Bug: https://curl.se/mail/lib-2021-02/0000.html

Closes #6557
2021-02-02 08:13:09 +01:00
Patrick Monnerat bbe3aa9f88
vtls: reduce conn->data use
Closes #6474
2021-01-19 09:14:40 +01:00
Daniel Stenberg c2c9e44a4d
vtls: remove Curl_ prefix from static functions 2021-01-14 08:09:09 +01:00
Daniel Stenberg 8ab78f720a
misc: fix "warning: empty expression statement has no effect"
Turned several macros into do-while(0) style to allow their use to work
find with semicolon.

Bug: 08e8455ddd (commitcomment-45433279)
Follow-up to 08e8455ddd
Reported-by: Gisle Vanem
Closes #6376
2020-12-26 23:44:17 +01:00
Daniel Stenberg 4d2f800677
curl.se: new home
Closes #6172
2020-11-04 23:59:47 +01:00
Daniel Stenberg 3acb2abdf5
vtls: make it 'struct Curl_ssl_session'
Use uppercase C for internal symbols.

Closes #5906
2020-09-02 22:41:59 +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 aecce3551c
ftp: don't do ssl_shutdown instead of ssl_close
The shutdown function is for downgrading a connection from TLS to plain,
and this is not requested here.

Have ssl_close reset the TLS connection state.

This partially reverts commit f002c850d9

Reported-by: Rasmus Melchior Jacobsen
Reported-by: Denis Goleshchikhin
Fixes #5797
2020-08-10 14:32:06 +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 032e838b73
terminology: call them null-terminated strings
Updated terminology in docs, comments and phrases to refer to C strings
as "null-terminated". Done to unify with how most other C oriented docs
refer of them and what users in general seem to prefer (based on a
single highly unscientific poll on twitter).

Reported-by: coinhubs on github
Fixes #5598
Closes #5608
2020-06-28 00:31:24 +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 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
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
Johannes Schindelin ff7a3107ed
multi-ssl: reset the SSL backend on `Curl_global_cleanup()`
When cURL is compiled with support for multiple SSL backends, it is
possible to configure an SSL backend via `curl_global_sslset()`, but
only *before* `curl_global_init()` was called.

If another SSL backend should be used after that, a user might be
tempted to call `curl_global_cleanup()` to start over. However, we did
not foresee that use case and forgot to reset the SSL backend in that
cleanup.

Let's allow that use case.

Fixes #5255
Closes #5257
Reported-by: davidedec on github
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2020-04-20 09:15:47 +02:00
Daniel Stenberg 2eba5e4c7b
vtls: free ssl_config leftovers on out-of-memory
Torture testing 2034 and 2037 found this.

Reported-by: Marc Hörsken
Fixes #5108
Closes #5109
2020-03-16 08:10:30 +01:00
Daniel Stenberg 6357a19ff2
polarssl: removed
As detailed in DEPRECATE.md, the polarssl support is now removed after
having been disabled for 6 months and nobody has missed it.

The threadlock files used by mbedtls are renamed to an 'mbedtls' prefix
instead of the former 'polarssl' and the common functions that
previously were shared between mbedtls and polarssl and contained the
name 'polarssl' have now all been renamed to instead say 'mbedtls'.

Closes #4825
2020-01-16 11:55:56 +01:00
Daniel Stenberg 29babeafec
misc: Copyright year out of date, should be 2020
Follow-up to recent commits

[skip ci]
2020-01-12 16:55:50 +01:00
Jay Satiro c9c551f1f9 vtls: Refactor Curl_multissl_version to make the code clearer
Reported-by: Johannes Schindelin

Ref: https://github.com/curl/curl/pull/3863#pullrequestreview-241395121

Closes https://github.com/curl/curl/pull/4803
2020-01-11 17:50:33 -05:00
Gisle Vanem 2c0362ee04
vtls: make BearSSL possible to set with CURL_SSL_BACKEND
Ref: 9b879160df (commitcomment-36355622)

Closes #4698
2019-12-10 15:35:23 +01:00
Michael Forney 9b879160df
TLS: add BearSSL vtls implementation
Closes #4597
2019-11-26 08:32:23 +01:00
Daniel Stenberg 3c5f9ba899
url: only reuse TLS connections with matching pinning
If the requests have different CURLOPT_PINNEDPUBLICKEY strings set, the
connection should not be reused.

Bug: https://curl.haxx.se/mail/lib-2019-09/0061.html
Reported-by: Sebastian Haglund

Closes #4347
2019-09-19 14:58:24 +02:00
Daniel Stenberg a55faf33d4
cleanup: remove the 'numsocks' argument used in many places
It was used (intended) to pass in the size of the 'socks' array that is
also passed to these functions, but was rarely actually checked/used and
the array is defined to a fixed size of MAX_SOCKSPEREASYHANDLE entries
that should be used instead.

Closes #4169
2019-07-30 23:16:44 +02:00
Daniel Stenberg deb9462ff2
wolfssl: refer to it as wolfSSL only
Remove support for, references to and use of "cyaSSL" from the source
and docs. wolfSSL is the current name and there's no point in keeping
references to ancient history.

Assisted-by: Daniel Gustafsson

Closes #3903
2019-06-10 09:18:16 +02:00
Marcel Raad 10db3ef21e
lib: reduce variable scopes
Fixes Codacy/CppCheck warnings.

Closes https://github.com/curl/curl/pull/3872
2019-05-20 08:51:11 +02:00
Daniel Gustafsson b4bb920405 vtls: fix potential ssl_buffer stack overflow
In Curl_multissl_version() it was possible to overflow the passed in
buffer if the generated version string exceeded the size of the buffer.
Fix by inverting the logic, and also make sure to not exceed the local
buffer during the string generation.

Closes #3863
Reported-by: nevv on HackerOne/curl
Reviewed-by: Jay Satiro
Reviewed-by: Daniel Stenberg
2019-05-13 20:27:50 +02:00
Chris Young 76a9d8df0e
vtls: rename some of the SSL functions
... in the SSL structure as AmiSSL is using macros for the socket API
functions.
2019-03-15 10:22:42 +01:00
Daniel Stenberg 76a9c3c4be
Secure Transport: no more "darwinssl"
Everyone calls it Secure Transport, now we do too.

Reviewed-by: Nick Zitzmann

Closes #3619
2019-02-28 08:42:59 +01:00
Johannes Schindelin 2456152069
curl_global_sslset(): id == -1 is not necessarily an error
It is allowed to call that function with id set to -1, specifying the
backend by the name instead. We should imitate what is done further down
in that function to allow for that.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

Closes #3346
2018-12-07 11:38:22 +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 302d125b42
axtls: removed
As has been outlined in the DEPRECATE.md document, the axTLS code has
been disabled for 6 months and is hereby removed.

Use a better supported TLS library!

Assisted-by: Daniel Gustafsson
Closes #3194
2018-11-01 10:29:53 +01:00
Yiming Jing 57348eb97d
vtls: add a MesaLink vtls backend
Closes #2984
2018-09-13 08:26:37 +02:00
Kamil Dudka 52c13d6328 url, vtls: make CURLOPT{,_PROXY}_TLS13_CIPHERS work
This is a follow-up to PR #2607 and PR #2926.

Closes #2936
2018-09-03 18:11:24 +02:00
Daniel Stenberg 050c93c46f
setopt: add TLS 1.3 ciphersuites
Adds CURLOPT_TLS13_CIPHERS and CURLOPT_PROXY_TLS13_CIPHERS.

curl: added --tls13-ciphers and --proxy-tls13-ciphers

Fixes #2435
Reported-by: zzq1015 on github
Closes #2607
2018-05-29 16:12:52 +02:00
Daniel Stenberg e66cca046c
vtls: use unified "supports" bitfield member in backends
... instead of previous separate struct fields, to make it easier to
extend and change individual backends without having to modify them all.

closes #2547
2018-05-04 22:31:19 +02:00
David Garske b2e59a886b wolfssl: Fix non-blocking connect
Closes https://github.com/curl/curl/pull/2542
2018-05-02 03:01:54 -04:00
Christian Schmitz d0394de152
curl_global_sslset: always provide available backends
Closes #2499
2018-04-23 14:18:55 +02:00
Wyatt O'Day 336b6a32c0
tls: fix mbedTLS 2.7.0 build + handle sha256 failures
(mbedtls 2.70 compiled with MBEDTLS_DEPRECATED_REMOVED)

Closes #2453
2018-04-06 14:21:50 +02:00
dmitrykos 2437dbbf12
vtls: replaced getenv() with curl_getenv()
Fixed undefined symbol of getenv() which does not exist when compiling
for Windows 10 App (CURL_WINDOWS_APP). Replaced getenv() with
curl_getenv() which is aware of getenv() absence when CURL_WINDOWS_APP
is defined.

Closes #2171
2017-12-12 08:02:07 +01:00
Patrick Monnerat 8aee8a6a2d vtls: change struct Curl_ssl `close' field name to `close_one'.
On OS/400, `close' is an ASCII system macro that corrupts the code if
not used in a context not targetting the close() system API.
2017-10-19 19:55:17 +01:00
Marcel Raad 202189ff2c
vtls: fix warnings with --disable-crypto-auth
When CURL_DISABLE_CRYPTO_AUTH is defined, Curl_none_md5sum's parameters
are not used.
2017-10-06 19:01:19 +02:00
Daniel Stenberg 7bc5308db3
build: fix --disable-crypto-auth
Reported-by: Wyatt O'Day
Fixes #1945
Closes #1947
2017-10-05 14:06:23 +02:00
Michael Kaufmann 9d3dde37a8 vtls: compare and clone ssl configs properly
Compare these settings in Curl_ssl_config_matches():
- verifystatus (CURLOPT_SSL_VERIFYSTATUS)
- random_file (CURLOPT_RANDOM_FILE)
- egdsocket (CURLOPT_EGDSOCKET)

Also copy the setting "verifystatus" in Curl_clone_primary_ssl_config(),
and copy the setting "sessionid" unconditionally.

This means that reusing connections that are secured with a client
certificate is now possible, and the statement "TLS session resumption
is disabled when a client certificate is used" in the old advisory at
https://curl.haxx.se/docs/adv_20170419.html is obsolete.

Reviewed-by: Daniel Stenberg

Closes #1917
2017-10-03 18:08:50 +02:00
Daniel Stenberg b8e0fe19ec
vtls: provide curl_global_sslset() even in non-SSL builds
... it just returns error:

Bug: 1328f69d53 (commitcomment-24470367)
Reported-by: Marcel Raad

Closes #1906
2017-09-22 12:09:13 +02:00
Daniel Stenberg e5743f08e7
code style: use spaces around pluses 2017-09-11 09:29:50 +02:00
Daniel Stenberg 6b84438d9a
code style: use spaces around equals signs 2017-09-11 09:29:50 +02:00
Jay Satiro 955c21939e
vtls: fix memory corruption
Ever since 70f1db321 (vtls: encapsulate SSL backend-specific data,
2017-07-28), the code handling HTTPS proxies was broken because the
pointer to the SSL backend data was not swapped between
conn->ssl[sockindex] and conn->proxy_ssl[sockindex] as intended, but
instead set to NULL (causing segmentation faults).

[jes: provided the commit message, tested and verified the patch]

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-09-07 16:06:50 +02:00
Daniel Stenberg 4bb80d532e
vtls: switch to CURL_SHA256_DIGEST_LENGTH define
... instead of the prefix-less version since WolfSSL 3.12 now uses an
enum with that name that causes build failures for us.

Fixes #1865
Closes #1867
Reported-by: Gisle Vanem
2017-09-07 15:59:42 +02:00