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* Add file and line to the LibreSSL error strings sine we are no longer inbeck2017-02-072-7/+20
| | | | | | | 1989, VMS, or MS/DOS and we all run Brobdingnagian C compilers that have can now be counted on to achieve this level of sophistication nearly everywhere. ok jsing@
* Change SSLerror() back to taking two args, with the first one being an SSL *.beck2017-02-0725-573/+841
| | | | | | | | | Make a table of "function codes" which maps the internal state of the SSL * to something like a useful name so in a typical error in the connection you know in what sort of place in the handshake things happened. (instead of by arcane function name). Add SSLerrorx() for when we don't have an SSL * ok jsing@ after us both being prodded by bluhm@ to make it not terrible
* Define values for SSL_CTRL_SET_GROUPS{,_LIST} and wire them up to thejsing2017-02-052-15/+19
| | | | | | | | SSL_{,CTX_}ctrl() functions. As crazy as it is, some software appears to call the control functions directly rather than using the macros (or functions) provided by the library. Discussed with beck@ and sthen@
* Kill leak introduced with refactorbeck2017-02-051-3/+6
| | | | ok jsing@
* fix a comment and rm some dead code as a result of the previous diffotto2017-02-021-8/+5
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* Let realloc handle and produce moved pointers for allocations betweenlibressl-v2.5.1otto2017-02-011-20/+37
| | | | half a page and a page. ok jmatthew@ tb@
* tweak previous;jmc2017-01-312-12/+8
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* Add tls_config_[add|set]keypair_ocsp functions so that ocsp staples may bebeck2017-01-316-58/+209
| | | | | | | | added associated to a keypair used for SNI, and are usable for more than just the "main" certificate. Modify httpd to use this. Bump libtls minor. ok jsing@
* Disable client-initiated renegotiation for libtls servers.jsing2017-01-311-1/+3
| | | | ok beck@ reyk@
* Provide an SSL_OP_NO_CLIENT_RENEGOTIATION option that disallowsjsing2017-01-312-2/+12
| | | | | | | client-initiated renegotiation. The current default behaviour remains unchanged. ok beck@ reyk@
* LibreSSL : Truncated packet could crash via OOB readinoguchi2017-01-312-3/+10
| | | | | | | | This patch is originally from master branch of OpenSSL. - 2198b3a crypto/evp: harden AEAD ciphers. - 8e20499 crypto/evp: harden RC4_MD5 cipher. ok tom@
* Document functions returning standard moduli for DH key exchange.schwarze2017-01-312-1/+136
| | | | jsing@ confirmed that these are public and worth documenting.
* tweak previous;jmc2017-01-303-11/+11
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* Document BN_set_flags(3) and BN_get_flags(3).schwarze2017-01-306-13/+159
| | | | jsing@ confirmed that these macros are public and worth documenting.
* Seriously warn against calling BN_init(3), BN_MONT_CTX_init(3),schwarze2017-01-293-12/+75
| | | | | | | and BN_RECP_CTX_init(3). They are not only deprecated but so dangerous that they are almost unusable. I found these scary traps while reading the code in order to document BN_set_flags(3). While here, delete ERR_get_error(3) from SEE ALSO.
* Marko Kreen contributed significantly to the ocsp stuff for libtlsbeck2017-01-291-2/+3
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* Move the ocsp staple to being part of the keypair structure internally,beck2017-01-293-14/+32
| | | | | | | so that it does not send back bogus staples when SNI is in use. (Further change is required to be able to use staples on all keypairs and not just the main one) ok jsing@
* Send the function codes from the error functions to the bit bucket,beck2017-01-29275-3892/+2400
| | | | | | as was done earlier in libssl. Thanks inoguchi@ for noticing libssl had more reacharounds into this. ok jsing@ inoguchi@
* Put comment back in the right place.jsing2017-01-291-9/+9
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* Avoid clearing the mac_packet flag in the wrong place.jsing2017-01-291-2/+1
| | | | | | | | In many cases we got away with this, however if a server sends multiple handshake messages in the same record only the first message would be added to the MAC. Should fix breakage reported by various people.
* add HISTORY and AUTHORSschwarze2017-01-2812-24/+256
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* Fix Copyright notices; ok beck@ jsing@ tedu@schwarze2017-01-2711-28/+43
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* More s/OSCP/OCSP/ typostom2017-01-271-1/+1
| | | | ok jmc@
* fix Dt;jmc2017-01-261-3/+3
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* Use a flag to track when we need to call SSL_shutdown(). This avoids anjsing2017-01-264-5/+11
| | | | | | | | | issue where by calling tls_close() on a TLS context that has not attempted a handshake, results in an unexpected failure. Reported by Vinay Sajip. ok beck@
* Bump TLS_API due to new features being added earlier this week.jsing2017-01-261-2/+2
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* Bump libtls minor due to symbol additions earlier this week.jsing2017-01-261-1/+1
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* knfbeck2017-01-261-6/+11
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* Convert ssl3_get_client_hello() to CBS.jsing2017-01-261-76/+71
| | | | ok beck@
* Finish the fallout of the SSLerr->SSLerror cleanup to get rid of the uglybeck2017-01-2618-653/+335
| | | | line wraps that resulted
* Hide SSLerr() under #ifndef LIBRESSL_INTERNAL since we shouldn't bebeck2017-01-261-2/+4
| | | | | using it anymore ok jsing@
* Send the error function codes to rot in the depths of hell where they belongbeck2017-01-2624-798/+572
| | | | | | | We leave a single funciton code (0xFFF) to say "SSL_internal" so the public API will not break, and we replace all internal use of the two argument SSL_err() with the internal only SSL_error() that only takes a reason code. ok jsing@
* Merge the single two line function from ssl_err2.c into ssl_err.c.jsing2017-01-263-76/+12
| | | | ok beck@
* english is hard.beck2017-01-261-2/+2
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* Limit the number of sequential empty records that we will processbeck2017-01-264-7/+30
| | | | | | before yielding, and fail if we exceed a maximum. loosely based on what boring and openssl are doing ok jsing@
* Refactor the code to generate a WANT_READ into a function, as we arebeck2017-01-261-18/+20
| | | | | using it more and more to avoid spins. ok jsing@
* Remove most of SSL3_ENC_METHOD - we can just inline the function callsjsing2017-01-2611-135/+63
| | | | | | and defines since they are the same everywhere. ok beck@
* Move relatively new version range code from ssl_lib.c into a separatejsing2017-01-263-158/+175
| | | | | | ssl_versions.c file. ok beck@
* Rename s3_{both,clnt,pkt_srvr}.c to have an ssl_ prefix since they are nojsing2017-01-265-6/+6
| | | | | | longer SSLv3 code. ok beck@
* Merge the client/server version negotiation into the existing (currentlyjsing2017-01-2616-1229/+395
| | | | | | fixed version) client/server code. ok beck@
* Document ERR_load_BN_strings(3).schwarze2017-01-261-11/+47
| | | | | | | | | | | | | | | | | jsing@ confirmed that this function is public and worth documenting. This page needs much more work, it is outrageously incomplete and unclear. For example, it remains unexplained what error strings are, what "registering" means and what the benefit for the application is, what happens if it is not done, or what happens if an error occurs after calling ERR_free_strings(3). I tried to read the code, but it is so contorted that i postponed that work. For example, it looks like there are hooks for applications to replace the functions used for registering strings by other, application-supplied functions, and, of course, there are many levels of macro and function wrappers. For now, i only documented the most obvious BUGS.
* Remove ssl3_undef_enc_method - if we have internal bugs we want to segfaultjsing2017-01-265-36/+8
| | | | | | | so that we can debug it, rather than adding a "should not be called" error to the stack. Discussed with beck@
* Remove a sess_cert reference from a comment in the public header.jsing2017-01-261-5/+2
| | | | Noted by zhuk@
* split the tls_init(3) that had grown fat to allow healthy future growth;schwarze2017-01-2515-888/+1474
| | | | suggested by jsing@; "i would just chuck it in" jmc@
* document BN_asc2bn(3);schwarze2017-01-251-3/+27
| | | | jsing@ confirmed that it is a public function worth documenting
* Limit enabled version range by the versions configured on the SSL_CTX/SSL,jsing2017-01-253-23/+84
| | | | | | | provide an ssl_supported_versions_range() function which also limits the versions to those supported by the current method. ok beck@
* Change the SSL_IS_DTLS() macro to check the version, rather than using ajsing2017-01-252-7/+4
| | | | | | | flag in the encryption methods. We can do this since there is currently only one DTLS version. This makes upcoming changes easier. ok beck@
* Construct a BN_gcd_nonct, based on BN_mod_inverse_no_branch, as suggestedbeck2017-01-256-10/+170
| | | | | | | | | | | by Alejandro Cabrera <aldaya@gmail.com> to avoid the possibility of a sidechannel timing attack during RSA private key generation. Modify BN_gcd to become not visible under LIBRESSL_INTERNAL and force the use of the _ct or _nonct versions of the function only within the library. ok jsing@
* Provide ssl3_packet_read() and ssl3_packet_extend() functions that improvejsing2017-01-253-35/+59
| | | | | | | the awkward API provided by ssl3_read_n(). Call these when we need to read or extend a packet. ok beck@
* Provide defines for SSL_CTRL_SET_CURVES/SSL_CTRL_SET_CURVES_LIST for thingsjsing2017-01-251-1/+15
| | | | | | | | that are conditioning on these. From BoringSSL. ok beck@
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