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* - add some missing NAME entriesjmc2015-09-111-6/+8
| | | | | - zap trailing whitespace - avoid "can not"
* sort MLINKS into the same order as the man page;jmc2015-09-111-4/+4
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* Call tls_set_errorx() instead of tls_set_error() injsing2015-09-101-5/+5
| | | | tls_configure_ssl_verify(). Also tweak an error message and unwrap a line.
* improve examples,deraadt2015-09-101-8/+11
| | | | | | | 1. hoist pollfd fields which don't change upwards 2. show ret as ssize_t, it MUST BE, or there will be lots of crying 3. on first pass, must check for either POLLIN|POLLOUT ok millert beck
* document client side certificate verification functionality.beck2015-09-102-3/+19
| | | | ok jsing@
* document changed tls_read and tls_write semantics.beck2015-09-101-15/+58
| | | | | | | document functions that clear errno. change examples to provide demonstration of both the blocking and non-blocking cases. ok jsing@, bluhm@
* mlink tls_handshake;jmc2015-09-101-1/+2
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* tweak previous;jmc2015-09-101-3/+3
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* Correctly document the behaviour of tls_close() - the caller is responsiblejsing2015-09-101-5/+6
| | | | | | for closing the file descriptors unless libtls allocated them. ok beck@
* Replace TLS_{READ,WRITE}_AGAIN with TLS_WANT_POLL{IN,OUT} and correctlyjsing2015-09-101-20/+13
| | | | | | document the calling requirements. ok beck@
* Update libtls man page to reflect tls_handshake() related changes.jsing2015-09-101-35/+37
| | | | ok beck@
* revert accidental commitbeck2015-09-101-4/+4
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* comment for errno clobbering, to indicate why we do this.beck2015-09-102-5/+9
| | | | ok deraadt@ jsing@
* bump majorbeck2015-09-101-1/+1
| | | | ok jsing@
* change TLS_READ_AGAIN to TLS_WANT_POLLIN and TLS_WRITE_AGAIN to TLS_WANT_POLLOUTbeck2015-09-102-7/+7
| | | | | | | to make it more clear to users of this api what needs to be done in these error cases. Discussed extensively with bluhm@ and jsing@ and others. ok jsing@
* Change tls_read and tls_write semantics to return an ssize_t to betterbeck2015-09-102-21/+14
| | | | | | | | match read() and write() semantics to make porting existing code using read/write easier.. requested by bluhm@ who convinced jsing and I to break the api ok jsing@ bluhm@
* Split tls_handshake() out from tls_accept/tls_connect. By doing this thejsing2015-09-105-59/+120
| | | | | | | | | | | | | | | tls_accept/tls_connect functions can be guaranteed to succeed or fail and will no longer return TLS_READ_AGAIN/TLS_WRITE_AGAIN. This also resolves the semantics of tls_accept_*. The tls_handshake() function now does I/O and can return TLS_READ_AGAIN/TLS_WRITE_AGAIN. Calls to tls_read() and tls_write() will trigger the handshake if it has not already completed, meaning that in many cases existing code will continue to work. Discussed over many coffees at l2k15. ok beck@ bluhm@
* add MLINKS for _prefer_ciphers_*jmc2015-09-101-1/+3
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* Add support for preferring the server's cipher list or the client's cipherjsing2015-09-105-8/+47
| | | | | | | | list. Prefer the server's cipher list by default. Based on a diff from Kyle Thompson <jmp at giga dot moe>. ok beck@ bcook@
* Indent labels with a space so that diff -p is more friendly.jsing2015-09-096-18/+18
| | | | Requested by bluhm@
* Add client certificate support. Still needs a few tweaks but this willbeck2015-09-096-34/+76
| | | | | ride upcoming minor bump ok jsing@
* always clear errno when coming back from tls_read tls_write, and tls_close.beck2015-09-091-9/+20
| | | | | | | this avoids the problem of people checking for return values < 0 and then checking for errno before checking for TLS_READ_AGAIN TLS_WRITE_AGAIN - since we can not guarantee what errno will be set to from the underlying library calls
* nuke trailing whitespacebeck2015-09-091-4/+3
| | | | ok jsing@
* Only take ownership of a socket if we allocated it within libtls. If we arejsing2015-09-092-11/+5
| | | | | | passed a socket then the caller is responsible for closing it. ok bcook@
* Remove the default HTTPS port from tls_connect() - this is a TLS library,jsing2015-09-082-6/+6
| | | | | | not a HTTPS library. ok beck@
* Improve libtls error messages.jsing2015-08-275-55/+101
| | | | | | | | | | | | The tls_set_error() function previously stored the errno but did nothing with it. Change tls_set_error() to append the strerror(3) of the stored errno so that we include useful information regarding failures. Provide a tls_set_errorx() function that does not store the errno or include strerror(3) in the error message. Call this function instead of tls_set_error() for errors where the errno value has no useful meaning. With feedback from and ok doug@
* Split the persistent/configuration flags from temporary state flags andjsing2015-08-273-11/+14
| | | | | | | | | | | ensure that the temporary state flags get cleared in tls_reset(). Fixes a bug spotted by Marko Kreen whereby TLS_CONNECTING could remain on reset. While here, also move the TLS_STATE_CONNECTING check to after the TLS_CLIENT check - if TLS_STATE_CONNECTING was ever set on any other context type it would allow a bypass. ok bluhm@
* Make functions that are internal to tls verify static.jsing2015-08-271-7/+8
| | | | | | Spotted by Marko Kreen. Rides libtls major bump.
* Crank major version for libssl and libtls due to SSLv3 removal.doug2015-08-271-1/+1
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* Unify error message between client and server.jsing2015-08-221-2/+2
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* SSL_set_app_data is a macro for SSL_set_ex_data(), which is a wrapperjsing2015-08-222-6/+10
| | | | | around CRYPTO_set_ex_data(), which can fail. Since this is the case, check the return value of CRYPTO_set_ex_data^WSSL_set_ex_data^WSSL_set_app_data.
* Store a reference to the libtls context in the SSL client connection appjsing2015-08-221-1/+3
| | | | | | data (as is already done for server connections). From Marko Kreen.
* Make tls_read()/tls_write always set outlen to zero on error - this gotjsing2015-08-221-5/+5
| | | | | | broken by r1.4. Spotted by Marko Kreen.
* Remove OpenSSL engine RSAX.doug2015-07-191-1/+1
| | | | | | | | | OpenSSL stopped building it last year and removed it this year. Based on OpenSSL commit c436e05bdc7f49985a750df64122c960240b3ae1. Also cranked major version in libcrypto, libssl and libtls. "fine with me" bcook@ miod@
* tweak previous; ok dougjmc2015-07-191-4/+4
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* Crank the major of libtls: the behaviour of tls_write() has beenreyk2015-07-191-1/+1
| | | | | | changed in an incompatible way regarding partial writes. OK miod@ deraadt@
* Add documentation on how to use TLS_{READ,WRITE}_AGAIN.doug2015-07-191-2/+29
| | | | ok beck@
* Set SSL_MODE_ENABLE_PARTIAL_WRITE and SSL_MODE_ACCEPT_MOVING_WRITE_BUFFERbluhm2015-07-181-1/+4
| | | | | | | in libtls. This gives tls_write() a similar short write semantics as write(2). So implementing daemons with libevent buffers will be easier and workarounds in syslogd and httpd can be removed. OK tedu@ beck@ reyk@
* Crank major for libcrypto, ssl and tls due to MDC-2DES removal.doug2015-06-201-2/+2
| | | | ok miod@ jsing@
* Add standard headers, C++ support to tls.h.bcook2015-06-191-1/+12
| | | | | | | | | | | | | | | | | This makes using libtls easier to include by including dependent headers, making something like this work as expected: #include <iostream> #include <tls.h> int main() { std::cout << "tls_init: " << tls_init() << "\n"; } This also makes building a standalone libtls-portable simpler. ok doug@, jsing@
* Link ssl and crypto via BSDOBJDIR, works with native and cross buildstobiasu2015-06-051-3/+3
| | | | ok mpi@
* Record inter-library dependencies between libcrypto, libssl and libtlskettenis2015-05-171-1/+4
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* Reject dNSName of " " for subjectAltName extension.doug2015-04-291-1/+20
| | | | | | RFC 5280 says " " must not be used as a dNSName. ok jsing@ jca@
* Treat SSL_ERROR_ZERO_RETURN as a success, rather than a failure. Alsojsing2015-04-151-5/+6
| | | | | | | ensure that outlen is set to zero so that tls_read() has read(2) like semantics for EOF. Spotted by doug@
* Make tls_close() more robust - do not rely on a close notify being receivedjsing2015-04-151-13/+17
| | | | | | | | | | | from the other side and only return TLS_READ_AGAIN/TLS_WRITE_AGAIN if we failed to send a close notify on a non-blocking socket. Otherwise be more forceful and always shutdown/close the socket regardless of other failures. Also do not consider ENOTCONN or ECONNRESET to be a shutdown failure, since there are various situations where this can occur. ok doug@ guenther@
* comma fix;jmc2015-04-031-3/+3
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* Handle the case where multiple calls to SSL_shutdown() are required tojsing2015-04-022-8/+14
| | | | | | close the connection. Also correctly handle the error on failure. Diff from cookieandscream via github.
* Correct man page title.jsing2015-04-021-2/+2
| | | | | | Diff from Tim van der Molen. ok jmc@
* Document the fact that the tls_accept_*() functions can returnjsing2015-04-021-7/+11
| | | | | | TLS_READ_AGAIN and TLS_WRITE_AGAIN. Based on a diff from Tim van der Molen.
* Bump libtls minor due to API addition.jsing2015-03-311-1/+1
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