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Since with SSL_VERIFY_NONE, the connection may continue and the
session may even be cached, we should save some evidence that the
chain was not sufficiently verified and would have been rejected
with SSL_VERIFY_PEER. To that end when a CT callback returs failure
we set the verify result to X509_V_ERR_NO_VALID_SCTS.
Note: We only run the CT callback in the first place if the verify
result is still X509_V_OK prior to start of the callback.
RT #4502
Reviewed-by: Tim Hudson <tjh@openssl.org>
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Set ctx->error = X509_V_ERR_OUT_OF_MEM when verificaiton cannot
continue due to malloc failure. Also, when X509_verify_cert()
returns <= 0 make sure that the verification status does not remain
X509_V_OK, as a last resort set it it to X509_V_ERR_UNSPECIFIED,
just in case some code path returns an error without setting an
appropriate value of ctx->error.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Kurt Roeckx <kurt@openssl.org>
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In the SSLV2ClientHello processing code in ssl3_get_record, the value of
|num_recs| will always be 0. This isn't obvious from the code so a comment
is added to explain it.
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
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The function ssl3_get_record() can obtain multiple records in one go
as long as we are set up for pipelining and all the records are app
data records. The logic in the while loop which reads in each record is
supposed to only continue looping if the last record we read was app data
and we have an app data record waiting in the buffer to be processed. It
was actually checking that the first record had app data and we have an
app data record waiting. This actually amounts to the same thing so wasn't
wrong - but it looks a bit odd because it uses the |rr| array without an
offset.
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
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Pipelining introduced the concept of multiple records being read in one
go. Therefore we work with an array of SSL3_RECORD objects. The pipelining
change erroneously made a change in ssl3_get_record() to apply the current
record offset to the SSL3_BUFFER we are using for reading. This is wrong -
there is only ever one read buffer. This reverts that change. In practice
this should make little difference because the code block in question is
only ever used when we are processing a single record.
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
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Fix various references to s3_clnt.c and s3_srvr.c which don't exist
any more.
GitHub Issue #765
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Matt Caswell <matt@openssl.org>
MR: #2153
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This involves providing more session ticket key data, for both the cipher and
the digest
Signed-off-by: Kurt Roeckx <kurt@roeckx.be>
Reviewed-by: Matt Caswell <matt@openssl.org>
GH: #515, MR: #2153
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Signed-off-by: Kurt Roeckx <kurt@roeckx.be>
Reviewed-by: Matt Caswell <matt@openssl.org>
GH: #515, MR: #2153
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Document thread-safe lock creation
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
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To allow OCSP stapling to work with libcurl.
Github PR #200
Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
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Since 50932c4 "PACKETise ServerHello processing",
ssl_next_proto_validate() incorrectly allows empty protocol name.
draft-agl-tls-nextprotoneg-04[1] says "Implementations MUST ensure that
the empty string is not included and that no byte strings are
truncated."
This patch restores the old correct behavior.
[1] https://tools.ietf.org/html/draft-agl-tls-nextprotoneg-04
Reviewed-by: Emilia Käsper <emilia@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
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Add a status return value instead of void.
Add some sanity checks on reference counter value.
Update the docs.
Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
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The current limit of 2^14 bytes is too low (e.g. RFC 5246 specifies the
maximum size of just the extensions field to be 2^16-1), and may cause
bogus failures.
RT#4063
Reviewed-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/413)
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Per RFC 4507, section 3.3:
This message [NewSessionTicket] MUST be sent if the
server included a SessionTicket extension in the ServerHello. This
message MUST NOT be sent if the server did not include a
SessionTicket extension in the ServerHello.
The presence of the NewSessionTicket message should be determined
entirely from the ServerHello without probing.
RT#4389
Reviewed-by: Emilia Käsper <emilia@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
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RT#4438
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Stephen Henson <steve@openssl.org>
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RT#4403
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
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Reviewed-by: Stephen Henson <steve@openssl.org>
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The V2ClientHello code creates an empty compression list, but the
compression list must explicitly contain the null compression (and later
code enforces this).
RT#4387
Reviewed-by: Stephen Henson <steve@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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Per RFC 5246,
Note: this extension is not meaningful for TLS versions prior to 1.2.
Clients MUST NOT offer it if they are offering prior versions.
However, even if clients do offer it, the rules specified in [TLSEXT]
require servers to ignore extensions they do not understand.
Although second sentence would suggest that there would be no interop
problems in always offering the extension, WebRTC has reported issues
with Bouncy Castle on < TLS 1.2 ClientHellos that still include
signature_algorithms. See also
https://bugs.chromium.org/p/webrtc/issues/detail?id=4223
RT#4390
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Stephen Henson <steve@openssl.org>
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When setting a new SRTP connection profile using
SSL_CTX_set_tlsext_use_srtp() or SSL_set_tlsext_use_srtp() we should
free any existing profile first to avoid a memory leak.
Reviewed-by: Kurt Roeckx <kurt@openssl.org>
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No code change
Reviewed-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
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Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
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Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
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If the application has limited the size of the async pool using
ASYNC_init_thread() then we could run out of jobs while trying to start a
libssl io operation. However libssl was failing to handle this and treating
it like a fatal error. It should not be fatal...we just need to retry when
there are jobs available again.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Based on an orignal commit by GitHub user BertramScharpf. Rebased and
updated to take account of all the updates since this was first raised.
GH PR#62
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
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If no serverinfo extension is found in some cases, do not abort the handshake,
but simply omit/skip that extension.
Check for already-registered serverinfo callbacks during serverinfo
registration.
Update SSL_CTX_use_serverinfo() documentation to mention the need to reload the
same serverinfo per certificate, for servers with multiple server certificates.
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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This macro was defined by no-longer-supported __MWERKS__ compiler.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Building with -DCHARSET_EBCDIC and using --strict-warnings resulted in
lots of miscellaneous errors. This fixes it.
Reviewed-by: Andy Polyakov <appro@openssl.org>
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The tls_client_key_exchange_post_work() frees the pms on error. It also
calls ssl_generate_master_secret() which also free the pms. If an error
occurs after ssl_generate_master_secret() has been called then a double
free can occur.
Reviewed-by: Andy Polyakov <appro@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/996)
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Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/952)
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Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/952)
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The function dane_ctx_enable() allocated some memory that it did not
free in an error path.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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A bug meant that SSL_CTRL_SET_MAX_SEND_FRAGMENT was not adjusting
split_send_fragment properly.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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The variables in the BIO weren't being duplicated properly.
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
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The i2d_X509() function can return a negative value on error. Therefore
we should make sure we check it.
Issue reported by Yuan Jochen Kang.
Reviewed-by: Emilia Käsper <emilia@openssl.org>
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Reviewed-by: Rich Salz <rsalz@openssl.org>
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It is up to the caller of SSL_dane_tlsa_add() to take appropriate
action when no records are added successfully or adding some records
triggers an internal error (negative return value).
With this change the caller can continue with PKIX if desired when
none of the TLSA records are usable, or take some appropriate action
if DANE is required.
Also fixed the internal ssl_dane_dup() function to properly initialize
the TLSA RR stack in the target SSL handle. Errors in ssl_dane_dup()
are no longer ignored.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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If we fail halfway through constructing the peer_tmp EVP_PKEY but we have
already stored it in s->s3->peer_tmp then if anything tries to use it then
it will likely fail. This was causing s_client to core dump in the
sslskewith0p test. s_client was trying to print out the connection
parameters that it had negotiated so far. Arguably s_client should not do
that if the connection has failed...but given it is existing functionality
it's easier to fix libssl.
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
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The ocsp.h file did not have appropriate guards causing link failures on
Windows.
GH Issue 900
Reviewed-by: Richard Levitte <levitte@openssl.org>
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The Unix build was the last to retain the classic build scheme. The
new unified scheme has matured enough, even though some details may
need polishing.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Make OBJ_name_cmp internal
Rename idea_xxx to IDEA_xxx
Rename get_rfc_xxx to BN_get_rfc_xxx
Rename v3_addr and v3_asid functions to X509v3_...
Reviewed-by: Richard Levitte <levitte@openssl.org>
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