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.

Add README.md

A small markdown README for GitHub users; points them to
the right README and the website and RT tracker.

Fix SRP authentication ciphersuites.

The addition of SRP authentication needs to be checked in various places
to work properly. Specifically:

A certificate is not sent.
A certificate request must not be sent.
Server key exchange message must not contain a signature.
If appropriate SRP authentication ciphersuites should be chosen.
Reviewed-by: Matt Caswell <matt@openssl.org>

Test SRP authentication ciphersuites.

Reviewed-by: Matt Caswell <matt@openssl.org>

Undo a90081576c94f9f54de1755188a00ccc1760549a

Undo unapproved commit that removed DJGPP and WATT32

RT 1988: Add "const" to SSL_use_RSAPrivateKey_ASN1

The "unsigned char *d" should be const.
Reviewed-by: Kurt Roeckx <kurt@roeckx.be>

RT 1505: Use SSL3_AL_FATAL not "2"

Use SSL3_AL_FATAL instead of the literal constant "2"
Every bit of cleanup helps.
Reviewed-by: Matt Caswell <matt@openssl.org>

Remove DJGPP (and therefore WATT32) #ifdef's.

DJGPP is no longer a supported platform.  Remove all #ifdef, etc.,
cases that refer to it.  DJGPP also #define'd WATT32, so that
is now removed as well.

Check SRP parameters early.

Check SRP parameters when they are received so we can send back an
appropriate alert.
Reviewed-by: Kurt Roeckx <kurt@openssl.org>

Fix SRP buffer overrun vulnerability.

Invalid parameters passed to the SRP code can be overrun an internal
buffer. Add sanity check that g, A, B < N to SRP code.

Thanks to Sean Devlin and Watson Ladd of Cryptography Services, NCC
Group for reporting this issue.

Fix SRP ciphersuite DoS vulnerability.

If a client attempted to use an SRP ciphersuite and it had not been
set up correctly it would crash with a null pointer read. A malicious
server could exploit this in a DoS attack.

Thanks to Joonas Kuorilehto and Riku Hietamäki from Codenomicon
for reporting this issue.

CVE-2014-2970
Reviewed-by: Tim Hudson <tjh@openssl.org>

Fix race condition in ssl_parse_serverhello_tlsext

CVE-2014-3509
Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Dr. Stephen Henson <steve@openssl.org>

Fix OID handling:

- Upon parsing, reject OIDs with invalid base-128 encoding.
- Always NUL-terminate the destination buffer in OBJ_obj2txt printing function.

CVE-2014-3508

Reviewed-by: Dr. Stephen Henson <steve@openssl.org>
Reviewed-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Tim Hudson <tjh@openssl.org>

Fix DTLS anonymous EC(DH) denial of service

CVE-2014-3510

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

Fix protocol downgrade bug in case of fragmented packets

CVE-2014-3511

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

Remove some duplicate DTLS code.

In a couple of functions, a sequence number would be calculated twice.

Additionally, in |dtls1_process_out_of_seq_message|, we know that
|frag_len| <= |msg_hdr->msg_len| so the later tests for |frag_len <
msg_hdr->msg_len| can be more clearly written as |frag_len !=
msg_hdr->msg_len|, since that's the only remaining case.

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

Applying same fix as in dtls1_process_out_of_seq_message. A truncated DTLS fragment would cause *ok to be clear, but the return value would still be the number of bytes read.

Problem identified by Emilia Käsper, based on previous issue/patch by Adam
Langley.

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

Fix return code for truncated DTLS fragment.

Previously, a truncated DTLS fragment in
|dtls1_process_out_of_seq_message| would cause *ok to be cleared, but
the return value would still be the number of bytes read. This would
cause |dtls1_get_message| not to consider it an error and it would
continue processing as normal until the calling function noticed that
*ok was zero.

I can't see an exploit here because |dtls1_get_message| uses
|s->init_num| as the length, which will always be zero from what I can
see.

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

Fix memory leak from zero-length DTLS fragments.

The |pqueue_insert| function can fail if one attempts to insert a
duplicate sequence number. When handling a fragment of an out of
sequence message, |dtls1_process_out_of_seq_message| would not call
|dtls1_reassemble_fragment| if the fragment's length was zero. It would
then allocate a fresh fragment and attempt to insert it, but ignore the
return value, leaking the fragment.

This allows an attacker to exhaust the memory of a DTLS peer.

Fixes CVE-2014-3507

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

Fix DTLS handshake message size checks.

In |dtls1_reassemble_fragment|, the value of
|msg_hdr->frag_off+frag_len| was being checked against the maximum
handshake message size, but then |msg_len| bytes were allocated for the
fragment buffer. This means that so long as the fragment was within the
allowed size, the pending handshake message could consume 16MB + 2MB
(for the reassembly bitmap). Approx 10 outstanding handshake messages
are allowed, meaning that an attacker could consume ~180MB per DTLS
connection.

In the non-fragmented path (in |dtls1_process_out_of_seq_message|), no
check was applied.

Fixes CVE-2014-3506

Wholly based on patch by Adam Langley with one minor amendment.

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

Added comment for the frag->reassembly == NULL case as per feedback from Emilia

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

Avoid double free when processing DTLS packets.

The |item| variable, in both of these cases, may contain a pointer to a
|pitem| structure within |s->d1->buffered_messages|. It was being freed
in the error case while still being in |buffered_messages|. When the
error later caused the |SSL*| to be destroyed, the item would be double
freed.

Thanks to Wah-Teh Chang for spotting that the fix in 1632ef74 was
inconsistent with the other error paths (but correct).

Fixes CVE-2014-3505

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

Update $default_depflags to match current defaults.

Sync with clean-up 1.0.2 CHANGES file.
(If a change is already present in 1.0.1f or 1.0.1h,
don't list it again under changes between 1.0.1h and 1.0.2.)

Sync with current 1.0.2 CHANGES file.

Simplify and fix ec_GFp_simple_points_make_affine
(which didn't always handle value 0 correctly).

Reviewed-by: emilia@openssl.org

Add conditional unit testing interface.

Don't call internal functions directly call them through
SSL_test_functions(). This also makes unit testing work on
Windows and platforms that don't export internal functions
from shared libraries.

By default unit testing is not enabled: it requires the compile
time option "enable-unit-test".
Reviewed-by: Geoff Thorpe <geoff@openssl.org>

Don't call setenv in gost2814789t.c

The call to setenv in gost2814789t.c is not portable and may
not reflect the location of the GOST ENGINE on all platforms anyway.
Instead set OPENSSL_ENGINES in test/Makefile
Reviewed-by: Geoff Thorpe <geoff@openssl.org>

Remove demos/tunala

This has been unmaintained for a long time. If it's still of interest
to anyone, it can be obtained easily enough by reverting this commit.
(It could join other demo code in some other repository, perhaps.) In
any case we don't want it taking up space in the baseline source
package, so <snip>.

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

CHANGES: mention new platforms.

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

"EC_POINT_invert" was checking "dbl" function pointer instead of "invert".

PR#2569

Reviewed-by: Rich Salz <rsalz@openssl.org>

Remove old unused and unmaintained demonstration code.

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

sha1-ppc.pl: shave off one cycle from BODY_20_39
and improve performance by 10% on POWER[78].

Reviewed-by: Kurt Roeckx <kurt@openssl.org>

Minor documentation update removing "really" and a
statement of opinion rather than a fact.

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

Add test header, sync ordinals with 1.0.2

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

Engage GHASH for PowerISA 2.0.7.

[and split ppccap.c to ppccap.c and ppc_arch.h]

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

Add GHASH for PowerISA 2.0.7.

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

Windows build fixes.

Add cmac.h to mkdef.pl
Remove ENGINE_load_rsax from engine.h: no longer built.
Update ordinals
Reviewed-by: Tim Hudson <tjh@openssl.org>

Fix documentation for RSA_set_method(3)

PR#1675
Reviewed-by: Matt Caswell <matt@openssl.org>

Check the test registry size during add_test()

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

Update heartbeat_test #includes

ssl/ssl_locl.h now comes first to ensure that it will compile standalone.
test/testutil.h is considered to be in the same directory as the test file,
since the test file will be linked into test/ and built there.

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

Use testutil registry in heartbeat_test

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

test/testutil.c test registry functions.

These help standardize the structure of main() and result reporting.

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

RFC 5649 support.

Add support for RFC5649 key wrapping with padding.

Add RFC5649 tests to evptests.txt

Based on PR#3434 contribution by Petr Spacek <pspacek@redhat.com>.

EVP support and minor changes added by Stephen Henson.

Doxygen comment block updates by Tim Hudson.

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

Make *Final work for key wrap again.

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

Sanity check lengths for AES wrap algorithm.

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

Fix typo, add reference.

PR#3456
Reviewed-by: Stephen Henson <steve@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>

Disabled XTS mode in enc utility as it is not supported

PR#3442

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