Fix comments, add new test.

Fix comments in ssltest.c: return value of 0 now means extension is
omitted and add_cb is not called for servers if the corresponding
extension is absent in ClientHello.

Test add_cb is not called if extension is not received.
Reviewed-by: Emilia Käsper <emilia@openssl.org>

Custom extension documentation.

Reviewed-by: Emilia Käsper <emilia@openssl.org>

Rename some callbacks, fix alignment.

Reviewed-by: Emilia Käsper <emilia@openssl.org>

Use consistent function naming.

Instead of SSL_CTX_set_custom_cli_ext and SSL_CTX_set_custom_srv_ext
use SSL_CTX_add_client_custom_ext and SSL_CTX_add_server_custom_ext.
Reviewed-by: Emilia Käsper <emilia@openssl.org>

New function SSL_extension_supported().

Reviewed-by: Emilia Käsper <emilia@openssl.org>

New extension callback features.

Support separate parse and add callback arguments.
Add new callback so an application can free extension data.
Change return value for send functions so < 0 is an error 0
omits extension and > 0 includes it. This is more consistent
with the behaviour of other functions in OpenSSL.

Modify parse_cb handling so <= 0 is an error.

Make SSL_CTX_set_custom_cli_ext and SSL_CTX_set_custom_cli_ext argument
order consistent.

NOTE: these changes WILL break existing code.

Remove (now inaccurate) in line documentation.
Reviewed-by: Emilia Käsper <emilia@openssl.org>

Callback revision.

Use "parse" and "add" for function and callback names instead of
"first" and "second".

Change arguments to callback so the extension type is unsigned int
and the buffer length is size_t. Note: this *will* break existing code.
Reviewed-by: Emilia Käsper <emilia@openssl.org>

Remove serverinfo checks.

Since sanity checks are performed for all custom extensions the
serverinfo checks are no longer needed.
Reviewed-by: Emilia Käsper <emilia@openssl.org>

Add custom extension sanity checks.

Reject attempts to use extensions handled internally.

Add flags to each extension structure to indicate if an extension
has been sent or received. Enforce RFC5246 compliance by rejecting
duplicate extensions and unsolicited extensions and only send a
server extension if we have sent the corresponding client extension.
Reviewed-by: Emilia Käsper <emilia@openssl.org>

Custom extension revision.

Use the same structure for client and server custom extensions.

Add utility functions in new file t1_ext.c.
Use new utility functions to handle custom server and client extensions
and remove a lot of code duplication.
Reviewed-by: Emilia Käsper <emilia@openssl.org>

fix warning

Reviewed-by: Geoff Thorpe <geoff@openssl.org>

Constant-time utilities

Pull constant-time methods out to a separate header, add tests.

Reviewed-by: Bodo Moeller <bodo@openssl.org>

RT2400: ASN1_STRING_to_UTF8 missing initializer

Reviewed-by: Tim Hudson <tjh@openssl.org>

Merge branch 'master' of git.openssl.org:openssl

Gah, I hate when I forget to pull before merging.

Reviewed-by: rsalz

RT2308: Add extern "C" { ... } wrapper

Add the wrapper to all public header files (Configure
generates one).  Don't bother for those that are just
lists of #define's that do renaming.

Reviewed-by: Tim Hudson <tjh@openssl.org>

Explicitly check for empty ASN.1 strings in d2i_ECPrivateKey

The old code implicitly relies on the ASN.1 code returning a \0-prefixed buffer
when the buffer length is 0. Change this to verify explicitly that the ASN.1 string
has positive length.

Reviewed-by: Dr Stephen Henson <steve@openssl.org>

RT3065: automatically generate a missing EC public key

When d2i_ECPrivateKey reads a private key with a missing (optional) public key,
generate one automatically from the group and private key.

Reviewed-by: Dr Stephen Henson <steve@openssl.org>

RT3065: ec_private_key_dont_crash

This change saves several EC routines from crashing when an EC_KEY is
missing a public key. The public key is optional in the EC private key
format and, without this patch, running the following through `openssl
ec` causes a crash:

-----BEGIN EC PRIVATE KEY-----
MBkCAQEECAECAwQFBgcIoAoGCCqGSM49AwEH
-----END EC PRIVATE KEY-----

Reviewed-by: Dr Stephen Henson <steve@openssl.org>

RT2210: Add missing EVP_cleanup to example

I also removed some trailing whitespace and cleaned
up the "see also" list.

Reviewed-by: Emilia Kasper <emilia@openssl.org>

Add tags/TAGS target; rm tags/TAGS in clean

Reviewed-by: Tim Hudson <tjh@openssl.org>

Merge branch 'master' of git.openssl.org:openssl

Stupid git tricks :(

Reviewed-by: rsalz

RT1744: SSL_CTX_set_dump_dh() doc feedback

The description of when the server creates a DH key is
confusing.  This cleans it up.
(rsalz: also removed trailing whitespace.)

Reviewed-by: Viktor Dukhovni <viktor@openssl.org>

RT1744: SSL_CTX_set_dump_dh() doc feedback

The description of when the server creates a DH key is
confusing.  This cleans it up.
(rsalz: also removed trailing whitespace.)

Reviewed-by: Viktor Dukhovni <viktor@openssl.org>

RT1804: fix EXAMPLE in EVP_EncryptInit.pod

The EXAMPLE that used FILE and RC2 doesn't compile due to a
few minor errors.  Tweak to use IDEA and AES-128. Remove
examples about RC2 and RC5.

Reviewed-by: Emilia Kasper <emilia@openssl.org>

Typo fixes to evp documentation.

This patch was submitted by user "Kox" via the wiki

Reviewed-by: Tim Hudson <tjh@openssl.org>

RT 3060: amend patch

Use existing error code SSL_R_RECORD_TOO_SMALL for too many empty records.

For ease of backporting the patch to release branches.

Reviewed-by: Bodo Moeller <bodo@openssl.org>

RT3061: slightly amend patch

Add an extra NULL dereference check

Reviewed-by: Viktor Dukhovni <viktor@openssl.org>

Improve EVP_PKEY_sign documentation

Clarify the intended use of EVP_PKEY_sign. Make the code example compile.

Reviewed-by: Dr Stephen Henson <steve@openssl.org>

RT3142: Extra initialization in state_machine

Remove extra initialization calls in the sample program.

Reviewed-by: Emilia Kasper <emilia@openssl.org>

define inline for Visual Studio

In Visual Studio, inline is available in C++ only, however __inline is available for C, see
http://msdn.microsoft.com/en-us/library/z8y1yy88.aspx

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Dr Stephen Henson <steve@openssl.org>

Fix build when BSAES_ASM is defined but VPAES_ASM is not

Reviewed-by: Andy Polyakov <appro@openssl.org>

bn/asm/rsaz-*.pl: allow spaces in Perl path name.

RT: 2835

Reviewed-by: Dr. Stephen Henson <steve@openssl.org>

sha1-mb-x86_64.pl: add commentary.

Reviewed-by: Emilia Kasper <emilia@openssl.org>

PR2490: Remove unused local variable bn ecp_nist.c

Reviewed-by: Dr. Stephen Henson <steve@openssl.org>

crypto/evp/e_aes_cbc_hmac_sha[1|256].c: fix compiler warnings.

Reviewed-by: Dr. Stephen Henson <steve@openssl.org>

sha1-mb-x86_64.pl: fix typo.

Reviewed-by: Emilia Kasper <emilia@openssl.org>

RT2847: Don't "check" uninitialized memory

Don't check err variable until after it's been set.

Reviewed-by: Emilia Kasper <emilia@openssl.org>

RT2848: Remove extra NULL check

Don't need to check auth for NULL since we did when we
assigned to it.

Reviewed-by: Emilia Kasper <emilia@openssl.org>

RT2513: Fix typo's paramter-->parameter

I also found a couple of others (padlock and signinit)
and fixed them.

Reviewed-by: Emilia Kasper <emilia@openssl.org>

Merge branch 'master' of git.openssl.org:openssl

PR2401: Typos in FAQ

Also rewrite section on compiler bugs; Matt pointed out that
it has some grammatical issues.

Reviewed-by: Emilia Kasper <emilia@openssl.org>

PR2401: Typos in FAQ

Also rewrite section on compiler bugs; Matt pointed out that
it has some grammatical issues.

RT2724: Remove extra declaration

Extra SSL_get_selected_srtp_profile() declaration in ssl/srtp.h
causes -Werror builds to fail.

Reviewed-by: Tim Hudson <tjh@openssl.org>

RT2492: Remove extra NULL check.

RT2489: Remove extra "sig" local variable.

Reviewed-by: Dr. Stephen Henson <steve@openssl.org>

RT2942: CRYPTO_set_dynlock_create_callback doc fix

The file param is "const char*" not "char*"

Reviewed-by: Dr. Stephen Henson <steve@openssl.org>

RT2163: Remove some unneeded #include's

Several files #include stdio.h and don't need it.
Also, per tjh, remove BN_COUNT

Reviewed-by: Emilia Kasper <emilia@openssl.org>

RT1815: More const'ness improvements

Add a dozen more const declarations where appropriate.
These are from Justin; while adding his patch, I noticed
ASN1_BIT_STRING_check could be fixed, too.

Reviewed-by: Dr. Stephen Henson <steve@openssl.org>

pub_decode_gost94, pub_decode_gost01: check for NULL after allocating databuf pub_encode_gost94, pub_encode_gost01: check for NULL after allocating databuf and octet

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>

engine_md_copy: check for NULL after allocating to_md->HashBuffer

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>

process_pci_value: free (*policy)->data before setting to NULL after failed realloc

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>

do_ext_i2d: free ext_der or ext_oct on error path

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>

do_othername: check for NULL after allocating objtmp

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>

NETSCAPE_SPKI_b64_encode: free der_spki and b64_str on error path

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Dr. Stephen Henson <steve@openssl.org>

get_cert_by_subject: check for NULL when allocating hent

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Dr. Stephen Henson <steve@openssl.org>

UI_construct_prompt: check for NULL when allocating prompt

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Dr. Stephen Henson <steve@openssl.org>

hashbn: check for NULL result when allocating bin and return an error if it fails all (in)direct callers of hashbn: propagate potential error in hashbn

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Dr. Stephen Henson <steve@openssl.org>

JPAKE_CTX_new: check for NULL result when allocating ctx

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Dr. Stephen Henson <steve@openssl.org>

old_hmac_encode: check for NULL result when allocating *pder

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>

dev_crypto_md5_copy: return error if allocating to_md->data fails

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>

dev_crypto_md5_update: check result of realloc(md_data->data) and don't leak memory if it fails

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>

dev_crypto_cipher: return immediately if allocating cin/cout failed

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>

dev_crypto_init_key: return error if allocating CDATA(ctx)->key failed

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>

Add support for Camellia HMAC-Based cipher suites from RFC6367

While RFC6367 focuses on Camellia-GCM cipher suites, it also adds a few
cipher suites that use SHA-2 based HMAC that can be very easily
added.

Tested against gnutls 3.3.5

PR#3443

Reviewed-by: Tim Hudson <tjh@openssl.org>

Fixed out-of-bounds read errors in ssl3_get_key_exchange.

PR#3450

Reviewed-by: Emilia Käsper <emilia@openssl.org>

RT2751: Declare get_issuer_sk() earlier.

Add a declaration for get_issuer_sk() so that other
functions in x509_vf.c could use it.  (Planned work
around cross-certification chains.)
Reviewed-by: Kurt Roeckx <kurt@openssl.org>

cryptodev_digest_copy: return error if allocating dstate->mac_data fails

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>

cryptodev_digest_update: don't leak original state->mac_data if realloc fails

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>

cms_SignerInfo_content_sign: free sig on failure path

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>

rtcp_new: return failure if allocation of bi->ptr failed

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>

multi_split: check for NULL when allocating parts and bpart, and for failure of sk_BIO_push()

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>

BIO_new_dgram_sctp, dgram_sctp_read: zero entire authchunks

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>

mime_hdr_addparam: free tmpname, tmpval and mparam on error path, and check whether sk_MIME_PARAM_push succeeds

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>

mime_hdr_new: free mhdr, tmpname, tmpval on error path

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>

ASN1_verify, ASN1_item_verify: cleanse and free buf_in on error path

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>

SetBlob: free rgSetBlob on error path

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>

Fix use after free bug.

Reviewed-by: Stephen Henson <steve@openssl.org>
Reviewed-by: Emilia Käsper <emilia@openssl.org>

RT783: Minor optimization to ASN1_INTEGER_set

Remove local variable and avoid extra assignment.

Reviewed-by: Emilia Kasper <emilia@silkandcyanide.net>

RT2465: Silence some gcc warnings

"Another machine, another version of gcc, another batch
of compiler warnings."  Add "=NULL" to some local variable
declarations that are set by passing thier address into a
utility function; confuses GCC it might not be set.

Reviewed-by: Emilia Käsper <emilia@silkandcyanide.net>

RT3023: Redundant logical expressions

Remove some redundant logical expressions

Reviewed-by: Emilia Kasper <emilia@silkandcyanide.net>

Merge branch 'master' of git.openssl.org:openssl

RT3268: Fix spelling errors in CHANGES file.

Fix a bunch of typo's and speling (sic) errors in the CHANGES file.

Reviewed-by: Tim Hudson <tjh@cryptsoft.com>

Revision of custom extension code.

Move custom extension structures from SSL_CTX to CERT structure.

This change means the form can be revised in future without binary
compatibility issues. Also since CERT is part of SSL structures
so per-SSL custom extensions could be supported in future as well as
per SSL_CTX.
Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Emilia Käsper <emilia@openssl.org>

Include error messages on extension check failure.

Reviewed-by: Emilia Käsper <emilia@openssl.org>

make depend

Reviewed-by: Dr. Stephen Henson <steve@openssl.org>

Further improve/fix ec_GFp_simple_points_make_affine (ecp_smpl.c) and
group_order_tests (ectest.c).  Also fix the EC_POINTs_mul documentation (ec.h).

Reviewed-by: emilia@openssl.org

RT1665: Fix podpath to get xref's right

In Makefile, when build manpages, put the current directory
at the start of the podpath so that cross-refs find the
local directory first.

Reviewed-by: Tim Hudson <tjh@cryptosoft.com>

RT3239: Extra comma in NAME lines of two manpages

In two OpenSSL manual pages, in the NAME section, the last word of the
name list is followed by a stray trailing comma. While this may seem
minor, it is worth fixing because it may confuse some makewhatis(8)
implementations.

While here, also add the missing word "size" to the one line
description in SSL_CTX_set_max_cert_list(3).

Reviewed by: Dr Stephen Henson <shenson@drh-consultancy.co.uk>

Merge branch 'master' of git.openssl.org:openssl

PR 719: Configure not exiting with child status

If subcommand fails, just die.
Reviewed-by: Kurt Roeckx <kurt@roeckx.be>

PR 718: Configure not exiting with child status

If subcommand fails, just die.
Reviewed-by: Kurt Roeckx <kurt@roeckx.be>

PR 2580: dgst missing current SHA algorithms

Update the dgst.pod page to include SHA224...512 algorithms.
Update apps/progs.pl to add them to the digest command table.

Reviewed-by: Tim Hudson <tjh@cryptosoft.com>

Revert "RT 2820: Case-insensitive filenames on Darwin"

This reverts commit 691edc997a35682eb7fa29445036182d2c9eb1de.

RT2609: Typo in EXAMPLE section of req.pod

The x509_extensions should be req_extensions in the
config example in req.pod

Reviewed-by: tjh@cryptsoft.com

Fix d4a4370050f7d72239b92a60ab9d4a2dd5e9fd84

Fully remove old error, per drH
Reviewed-by: rsalz

RT 2820: Case-insensitive filenames on Darwin

Add darwin-*-cc as one of the systems for case-insensitive
filenames.  Fixes the manpage install so it doesn't create
looping symlinks.

Merge branch 'master' of git.openssl.org:openssl

Undo 77bf69dced875200f6f0e385a4a270298f8d3c45

Not approved; mistakenly pushed commit that added README.md

RT 2517: Various typo's.
Reviewed-by: Emilia Kasper
Many of these were already fixed, this catches the last
few that were missed.

RT 2517: Various typo's.

Many of these were already fixed, this catches the last
few that were missed.