ASN1_GENERALIZEDTIME and ASN1_UTCTIME may be specified using offsets,
even though that's not supported within certificates. [davidben: This
commit message seems off as crypto/x509 does not reject them. It merely
has a comment telling you that it's doing it wrong.]
To convert the offset time back to GMT, the offsets are supposed to be
subtracted, not added. e.g. 1759-0500 == 2359+0100 == 2259Z.
(Imported from upstream's d2335f30970ed3edc1c7c11700ab7f34396cf086.)
Change-Id: Id0d4c5b650e77db3b04b15e66b069807f6f31266
Reviewed-on: https://boringssl-review.googlesource.com/15834
Commit-Queue: David Benjamin <davidben@google.com>
Commit-Queue: Steven Valdez <svaldez@google.com>
Reviewed-by: Steven Valdez <svaldez@google.com>
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If ret is allocated, it may be leaked on error.
(Imported from upstream's cdfb7809b6a365a0a7874afd8f8778c5c572f267 and
ffcdb0e6efb6fb7033b2cd29e8cca2e2fe355c14.)
Change-Id: I50ed9ad072cf80461d9527d0834b596a8c32e3d3
Reviewed-on: https://boringssl-review.googlesource.com/14315
Reviewed-by: Steven Valdez <svaldez@google.com>
Commit-Queue: Steven Valdez <svaldez@google.com>
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These too appear to be unused now that the core parsers use CBS. They
also were buggy as they silently ignored sign bits. This removes all
ASN1_PRIMITIVE_FUNCS definitions. (The code to use them still exists as
we're not ready to diverge on tasn_*. Current thinking is we'll
eventually just ditch the code rather than do so.)
Change-Id: I8d20e2989460dd593d62368cfbd083d5de1ee2a1
Reviewed-on: https://boringssl-review.googlesource.com/14324
Reviewed-by: Steven Valdez <svaldez@google.com>
Commit-Queue: Steven Valdez <svaldez@google.com>
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These have no consumers remaining. Upstream recently had a long series
of bugfixes for these types (2cbd4d98673d99cd7cb10715656b6d3727342e77,
e5afec1831248c767be7c5844a88535dabecc01a,
9abe889702bdc73f9490f611f54bf9c865702554,
2e5adeb2904dd68780fb154dbeb6e3efafb418bb). Rather than worry about this,
just remove the code.
Change-Id: I90f896aad096fc4979877e2006131e76c9ff023b
Reviewed-on: https://boringssl-review.googlesource.com/14323
Reviewed-by: Steven Valdez <svaldez@google.com>
Commit-Queue: Steven Valdez <svaldez@google.com>
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These are only used by crypto/asn1 and not externally.
Change-Id: I2e6a28828fd81a4e3421eed1e98f0a65197f4b88
Reviewed-on: https://boringssl-review.googlesource.com/13868
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
Noticed this comparing our and upstream's ASN.1 code. Somehow I missed
this line in cb852981cd. This change is a
no-op as our only ASN1_EX_COMBINE field is an ASN1_CHOICE which does not
read aclass.
Change-Id: I011f2f6eadd3939ec5f0b346c4eb7d14e406e3cd
Reviewed-on: https://boringssl-review.googlesource.com/13833
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
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asn1_template_noexp_d2i call ASN1_item_ex_free(&skfield,...) on error.
Reworked error handling in asn1_item_ex_combine_new:
- call ASN1_item_ex_free and return the correct error code if
ASN1_template_new failed.
- dont call ASN1_item_ex_free if ASN1_OP_NEW_PRE failed.
Reworked error handing in x509_name_ex_d2i and x509_name_encode.
(Imported from upstream's 748cb9a17f4f2b77aad816cf658cd4025dc847ee.)
I believe the tasn1_new.c change is a no-op since we have no
ASN1_OP_NEW_PRE hooks anymore. I'm not sure what the commit message is
referring to with ASN1_template_new. It also seems odd as
ASN1_item_ex_free should probably be able to survive *pval being NULL.
Whatever.
We'd previously tried to fix x509_name_ex_d2i, but I think ours wasn't
quite right. (This thing is a mess...) I've aligned that function with
upstream.
Change-Id: Ie71521cd8a1ec357876caadd13be1ce247110f76
Reviewed-on: https://boringssl-review.googlesource.com/13831
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
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Most C standard library functions are undefined if passed NULL, even
when the corresponding length is zero. This gives them (and, in turn,
all functions which call them) surprising behavior on empty arrays.
Some compilers will miscompile code due to this rule. See also
https://www.imperialviolet.org/2016/06/26/nonnull.html
Add OPENSSL_memcpy, etc., wrappers which avoid this problem.
BUG=23
Change-Id: I95f42b23e92945af0e681264fffaf578e7f8465e
Reviewed-on: https://boringssl-review.googlesource.com/12928
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
The ASN1_GENERALIZEDTIME_adj() function leaks an ASN1_GENERALIZEDTIME
object on an error path.
(Imported from upstream's fe71bb3ad97ed01ccf92812891cc2bc3ef3dce76.)
Thanks to Jinguang Dong for pointing out the bug.
Change-Id: I2c14662bb03b0cf957bd277bda487f05f07e89e7
Reviewed-on: https://boringssl-review.googlesource.com/12185
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
d2i_X509_from_buffer parses an |X509| from a |CRYPTO_BUFFER| but ensures
that the |X509_CINF.enc| doesn't make a copy of the encoded
TBSCertificate. Rather the |X509| holds a reference to the given
|CRYPTO_BUFFER|.
Change-Id: I38a4e3d0ca69fc0fd0ef3e15b53181844080fcad
Reviewed-on: https://boringssl-review.googlesource.com/11920
Reviewed-by: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <alangley@gmail.com>
Commit-Queue: Adam Langley <alangley@gmail.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
Macros need a healthy dose of parentheses to avoid expression-level
misparses. Most of this comes from the clang-tidy CL here:
https://android-review.googlesource.com/c/235696/
Also switch most of the macros to use do { ... } while (0) to avoid all
the excessive comma operators and statement-level misparses.
Change-Id: I4c2ee51e347d2aa8c74a2d82de63838b03bbb0f9
Reviewed-on: https://boringssl-review.googlesource.com/11660
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
For consistency and to avoid a pedantic GCC warning (even though it's
mostly old legacy code).
Change-Id: Iea63eb0a82ff52914adc33b83e48450f4f6a49ef
Reviewed-on: https://boringssl-review.googlesource.com/11021
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: Adam Langley <agl@google.com>
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Unlike the Scoped* types, bssl::UniquePtr is available to C++ users, and
offered for a large variety of types. The 'extern "C++"' trick is used
to make the C++ bits digestible to C callers that wrap header files in
'extern "C"'.
Change-Id: Ifbca4c2997d6628e33028c7d7620c72aff0f862e
Reviewed-on: https://boringssl-review.googlesource.com/10521
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
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Check for error return in BN_div_word().
(Imported from upstream's d871284aca5524c85a6460119ac1b1e38f7e19c6.)
This function is only called from crypto/obj to convert strings like
"1.2.3.4.5" to OIDs. We may wish to see about rewriting it just so it's
out of the way.
Change-Id: Ia8379d2dd30606f6a81ce24dee8852312cb7f127
Reviewed-on: https://boringssl-review.googlesource.com/10365
Commit-Queue: David Benjamin <davidben@google.com>
Commit-Queue: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <agl@google.com>
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These functions are unused. Upstream recently needed to limit recursion
depth on this function in 81f69e5b69b8e87ca5d7080ab643ebda7808542c. It
looks like deeply nested BER constructed strings could cause unbounded
stack usage. Delete the function rather than import the fix.
Change-Id: I7868080fae52b46fb9f9147543c0f7970d8fff98
Reviewed-on: https://boringssl-review.googlesource.com/10368
Commit-Queue: David Benjamin <davidben@google.com>
Commit-Queue: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <agl@google.com>
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These are never used internally or externally. Upstream had some
bugfixes to them recently. Delete them instead.
Change-Id: I44a6cce1dac2c459237f6d46502657702782061b
Reviewed-on: https://boringssl-review.googlesource.com/10364
Commit-Queue: David Benjamin <davidben@google.com>
Commit-Queue: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <agl@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
(Imported from upstream's b10c10422a9ec4db426be3ef99031f0807d2ded0,
ff8b6b92f44c682ad78f60c32ec154e0bfabebb2, and
134ab5139a8d41455a81d9fcc31b3edb8a4b2f5c.)
Change-Id: Icf1661a4d0249ae5af72cda15b12822b86e35a82
Reviewed-on: https://boringssl-review.googlesource.com/10361
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
Commit-Queue: David Benjamin <davidben@google.com>
Commit-Queue: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <agl@google.com>
We'd gotten rid of the macros, but not the underlying asn1_GetSequence
which is unused. Sadly this doesn't quite get rid of ASN1_(const_)?CTX.
There's still some code in the rest of crypto/asn1 that uses it.
Change-Id: I2ba8708ac5b20982295fbe9c898fef8f9b635704
Reviewed-on: https://boringssl-review.googlesource.com/9113
Commit-Queue: David Benjamin <davidben@google.com>
Commit-Queue: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <agl@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
(Imported from upstream's a9b23465243b6d692bb0b419bdbe0b1f5a849e9c,
5e102f96eb6fcdba1db2dba41132f92fa492aea0, and
9bda72880113b2b2262d290b23bdd1d3b19ff5b3.)
Change-Id: Ib608acb86cc128cacf20811c21bf6b38b0520106
Reviewed-on: https://boringssl-review.googlesource.com/8944
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
The selector field could be omitted because it has a DEFAULT value.
In this case *sfld == NULL (sfld can never be NULL). This was not
noticed because this was never used in existing ASN.1 modules.
(Imported from upstream's c4210673313482edacede58d92e92c213d7a181a.)
svaldez and I stared at this for a while and we believe this change is
correct. It's also irrelevant because our only remaining ADB (ANY
DEFINED BY) table is POLICYQUALINFO which does not allow its selector to
be omitted. Also, if it did, it would be a slight change in behavior.
We'd switch from using POLICYQUALINFO's default_tt (filling in an
ASN1_ANY) to its null_tt (which doesn't exist, so error).
Change-Id: If6a929e3dafca18431775b01958d0dae1c09f3b4
Reviewed-on: https://boringssl-review.googlesource.com/8943
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: Adam Langley <agl@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
This reverts commits:
8d79ed674019fdcb52348d79ed6740
Because WebRTC (at least) includes our headers in an extern "C" block,
which precludes having any C++ in them.
Change-Id: Ia849f43795a40034cbd45b22ea680b51aab28b2d
This change scatters the contents of the two scoped_types.h files into
the headers for each of the areas of the code. The types are now in the
|bssl| namespace.
Change-Id: I802b8de68fba4786b6a0ac1bacd11d81d5842423
Reviewed-on: https://boringssl-review.googlesource.com/8731
Reviewed-by: Adam Langley <agl@google.com>
We currently have the situation where the |tool| and |bssl_shim| code
includes scoped_types.h from crypto/test and ssl/test. That's weird and
shouldn't happen. Also, our C++ consumers might quite like to have
access to the scoped types.
Thus this change moves some of the template code to base.h and puts it
all in a |bssl| namespace to prepare for scattering these types into
their respective headers. In order that all the existing test code be
able to access these types, it's all moved into the same namespace.
Change-Id: I3207e29474dc5fcc344ace43119df26dae04eabb
Reviewed-on: https://boringssl-review.googlesource.com/8730
Reviewed-by: David Benjamin <davidben@google.com>
These are more remnants of CMS. Nothing uses them directly. Removing them means
more code we don't have to think about when importing upstream patches.
Also take out a bunch of dead prototypes nearby.
Change-Id: Ife094d9d2078570006d1355fa4e3323f435be608
Reviewed-on: https://boringssl-review.googlesource.com/8244
Reviewed-by: David Benjamin <davidben@google.com>
These are more pretty-printers for generic ASN.1 structures. They're never
called externally and otherwise are only used in the X509V3_EXT_PARSE_UNKNOWN
mode for the X509 pretty-print functions. That makes unknown extensions
pretty-print as ASN.1 structures.
This is a rather useless feature, so have that fall through to
X509V3_EXT_DUMP_UNKNOWN which does a hexdump instead.
(The immediate trigger is I don't know what |op| is in upstream's
8c918b7b9c93ba38790ffd1a83e23c3684e66f57 and don't think it is worth the time
to puzzle that out and verify it. Better ditch this code completely.)
Change-Id: I0217906367d83056030aea64ef344d4fedf74763
Reviewed-on: https://boringssl-review.googlesource.com/8243
Reviewed-by: David Benjamin <davidben@google.com>
These functions are never instantiated. (They're a remnant of the PKCS#7 and
CMS bits.) Next time upstream touches this code, we don't have to puzzle
through the diff and import it.
Change-Id: I67c2102ae13e8e0527d858e1c63637dd442a4ffb
Reviewed-on: https://boringssl-review.googlesource.com/8242
Reviewed-by: David Benjamin <davidben@google.com>
(Imported from upstream's f792c663048f19347a1bb72125e535e4fb2ecf39.)
Change-Id: If9bbb10de3ea858076bd9587d21ec331e837dd53
Reviewed-on: https://boringssl-review.googlesource.com/8171
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
Only treat an ASN1_ANY type as an integer if it has the V_ASN1_INTEGER
tag: V_ASN1_NEG_INTEGER is an internal only value which is never used
for on the wire encoding.
(Imported from upstream's d4b25980020821d4685752ecb9105c0902109ab5.)
This is redundant with our fb2c6f8c85 which I
think is a much better fix (having two notions of "type" depending on whether
we're in an ASN1_TYPE or an ASN1_STRING is fragile), so I think we should keep
our restriction too. Still, this is also worth doing.
Change-Id: I6ea54aae7b517a59c6e563d8c993d0ee22e25bee
Reviewed-on: https://boringssl-review.googlesource.com/7848
Reviewed-by: Adam Langley <agl@google.com>
(Imported from upstream's 2442382e11c022aaab4fdc6975bd15d5a75c4db2 and
0ca67644ddedfd656d43a6639d89a6236ff64652)
Change-Id: I601ef07e39f936e8f3e30412fd90cd339d712dc4
Reviewed-on: https://boringssl-review.googlesource.com/7742
Reviewed-by: David Benjamin <davidben@google.com>
If the ASN.1 BIO is presented with a large length field read it in
chunks of increasing size checking for EOF on each read. This prevents
small files allocating excessive amounts of data.
CVE-2016-2109
Thanks to Brian Carpenter for reporting this issue.
(Imported from upstream's f32774087f7b3db1f789688368d16d917757421e)
Change-Id: Id1b0d4436c4879d0ba7d3b7482b937cafffa28f7
Reviewed-on: https://boringssl-review.googlesource.com/7741
Reviewed-by: David Benjamin <davidben@google.com>
Many of the compatibility issues are described at
https://msdn.microsoft.com/en-us/library/mt612856.aspx. The macros
that suppressed warnings on a per-function basis no longer work in
Update 1, so replace them with #pragmas. Update 1 warns when |size_t|
arguments to |printf| are casted, so stop doing that casting.
Unfortunately, this requires an ugly hack to continue working in
MSVC 2013 as MSVC 2013 doesn't support "%zu". Finally, Update 1 has new
warnings, some of which need to be suppressed.
---
Updated by davidben to give up on suppressing warnings in crypto/x509 and
crypto/x509v3 as those directories aren't changed much from upstream. In each
of these cases, upstream opted just blindly initialize the variable, so do the
same. Also switch C4265 to level 4, per Microsoft's recommendation and work
around a bug in limits.h that happens to get fixed by Google include order
style.
(limits.h is sensitive to whether corecrt.h, pulled in by stddef.h and some
other headers, is included before it. The reason it affected just one file is
we often put the file's header first, which means base.h is pulling in
stddef.h. Relying on this is ugly, but it's no worse than what everything else
is doing and this doesn't seem worth making something as tame as limits.h so
messy to use.)
Change-Id: I02d1f935356899f424d3525d03eca401bfa3e6cd
Reviewed-on: https://boringssl-review.googlesource.com/7480
Reviewed-by: David Benjamin <davidben@google.com>
Partially fixes build with -Wmissing-prototypes -Wmissing-declarations.
Change-Id: I51209c30f532899f57cfdd9a50cff0a8ee3da5b5
Signed-off-by: Piotr Sikora <piotrsikora@google.com>
Reviewed-on: https://boringssl-review.googlesource.com/7512
Reviewed-by: David Benjamin <davidben@google.com>
Partially fixes build with -Wmissing-prototypes -Wmissing-declarations.
Change-Id: I6048f5b7ef31560399b25ed9880156bc7d8abac2
Signed-off-by: Piotr Sikora <piotrsikora@google.com>
Reviewed-on: https://boringssl-review.googlesource.com/7511
Reviewed-by: David Benjamin <davidben@google.com>
I messed up a few of these.
ASN1_R_UNSUPPORTED_ALGORITHM doesn't exist. X509_R_UNSUPPORTED_ALGORITHM does
exist as part of X509_PUBKEY_set, but the SPKI parser doesn't emit this. (I
don't mind the legacy code having really weird errors, but since EVP is now
limited to things we like, let's try to keep that clean.) To avoid churn in
Conscrypt, we'll keep defining X509_R_UNSUPPORTED_ALGORITHM, but not actually
do anything with it anymore. Conscrypt was already aware of
EVP_R_UNSUPPORTED_ALGORITHM, so this should be fine. (I don't expect
EVP_R_UNSUPPORTED_ALGORITHM to go away. The SPKI parsers we like live in EVP
now.)
A few other ASN1_R_* values didn't quite match upstream, so make those match
again. Finally, I got some of the rsa_pss.c values wrong. Each of those
corresponds to an (overly specific) RSA_R_* value in upstream. However, those
were gone in BoringSSL since even the initial commit. We placed the RSA <-> EVP
glue in crypto/evp (so crypto/rsa wouldn't depend on crypto/evp) while upstream
placed them in crypto/rsa.
Since no one seemed to notice the loss of RSA_R_INVALID_SALT_LENGTH, let's undo
all the cross-module errors inserted in crypto/rsa. Instead, since that kind of
specificity is not useful, funnel it all into X509_R_INVALID_PSS_PARAMETERS
(formerly EVP_R_INVALID_PSS_PARAMETERS, formerly RSA_R_INVALID_PSS_PARAMETERS).
Reset the error codes for all affected modules.
(That our error code story means error codes are not stable across this kind of
refactoring is kind of a problem. Hopefully this will be the last of it.)
Change-Id: Ibfb3a0ac340bfc777bc7de6980ef3ddf0a8c84bc
Reviewed-on: https://boringssl-review.googlesource.com/7458
Reviewed-by: Emily Stark (Dunn) <estark@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
People seem to condition on these a lot. Since this code has now been moved
twice, just make them all cross-module errors rather than leave a trail of
renamed error codes in our wake.
Change-Id: Iea18ab3d320f03cf29a64a27acca119768c4115c
Reviewed-on: https://boringssl-review.googlesource.com/7431
Reviewed-by: Emily Stark (Dunn) <estark@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
While we're here, may as well test others.
Change-Id: I711528641a3f7dd035c696c3c1d6b035437c91cc
Reviewed-on: https://boringssl-review.googlesource.com/7239
Reviewed-by: Adam Langley <agl@google.com>
The high bits of the type get used for the V_ASN1_NEG bit, so when used with
ASN1_ANY/ASN1_TYPE, universal tags become ambiguous. This allows one to create
a negative zero, which should be impossible. Impose an upper bound on universal
tags accepted by crypto/asn1 and add a test.
BUG=590615
Change-Id: I363e01ebfde621c8865101f5bcbd5f323fb59e79
Reviewed-on: https://boringssl-review.googlesource.com/7238
Reviewed-by: Adam Langley <agl@google.com>
(Imported from upstream's e9cf5f03666bb82f0184e4f013702d0b164afdca and
29305f4edc886db349f2beedb345f9dd93311c09)
Change-Id: I0fa019e9d337676a84a7a6c103d2c4e14e18aede
Reviewed-on: https://boringssl-review.googlesource.com/7240
Reviewed-by: David Benjamin <davidben@google.com>
(Imported from upstream's 3661bb4e7934668bd99ca777ea8b30eedfafa871.)
Fix bug where i2c_ASN1_INTEGER mishandles zero if it is marked as
negative.
Thanks to Huzaifa Sidhpurwala <huzaifas@redhat.com> and Hanno Böck
<hanno@hboeck.de> for reporting this issue.
BUG=590615
Change-Id: I8959e8ae01510a5924862a3f353be23130eee554
Reviewed-on: https://boringssl-review.googlesource.com/7199
Reviewed-by: David Benjamin <davidben@google.com>
It's not used anywhere else, in the library or consumers (Google ones or
ones I could find on Debian codesearch). This is a sufficiently
specialized function that the risk of a third-party library newly
depending on it is low. This removes the last include of asn1.h or
x509.h in crypto/evp.
(This is almost entirely cosmetic because it wasn't keeping the static linker
from doing the right thing anyway. But if we were want to separate the legacy
ASN.1 stack into its own decrepit-like target, we'll need to be pickier about
separation.)
Change-Id: I9be97c9321572e3a2ed093e1d50036b7654cff41
Reviewed-on: https://boringssl-review.googlesource.com/7080
Reviewed-by: Adam Langley <agl@google.com>
OpenSSL upstream did a bulk reformat. We still have some files that have
the old OpenSSL style and this makes applying patches to them more
manual, and thus more error-prone, than it should be.
This change is the result of running
util/openssl-format-source -v -c .
in the enumerated directories. A few files were in BoringSSL style and
have not been touched.
This change should be formatting only; no semantic difference.
Change-Id: I75ced2970ae22b9facb930a79798350a09c5111e
Reviewed-on: https://boringssl-review.googlesource.com/6904
Reviewed-by: David Benjamin <davidben@chromium.org>
Reviewed-by: Adam Langley <agl@google.com>
There was a TODO to remove it once asn1_mac.h was trimmed. This has now
happened. Remove it and reset error codes for crypto/asn1.
Change-Id: Iaf2f3e75741914415372939471b135618910f95d
Reviewed-on: https://boringssl-review.googlesource.com/6761
Reviewed-by: Adam Langley <agl@google.com>
(Imported from upstream's d88ef40a1e5c81d0d32b4a431e55f5456e678dd2 and
943c4ca62b3f5a160340d57aecb9413407a06e15.)
Change-Id: Idd52aebae6839695be0f3a8a7659adeec6650b98
Reviewed-on: https://boringssl-review.googlesource.com/6556
Reviewed-by: Adam Langley <agl@google.com>
When parsing a combined structure pass a flag to the decode routine
so on error a pointer to the parent structure is not zeroed as
this will leak any additional components in the parent.
This can leak memory in any application parsing PKCS#7 or CMS structures.
CVE-2015-3195.
Thanks to Adam Langley (Google/BoringSSL) for discovering this bug using
libFuzzer.
PR#4131
(Imported from upstream's cc598f321fbac9c04da5766243ed55d55948637d, with test
from our original report. Verified ASan trips up on the test without the fix.)
Change-Id: I007d93f172b2f16bf6845d685d72717ed840276c
Reviewed-on: https://boringssl-review.googlesource.com/6615
Reviewed-by: Adam Langley <agl@google.com>
There's a few things that will be kind of a nuisance and possibly not worth it
(crypto/asn1 dumps a lot of undeclared things, etc.). But it caught some
mistakes. Even without the warning, making sure to include the externs before
defining a function helps catch type mismatches.
Change-Id: I3dab282aaba6023e7cebc94ed7a767a5d7446b08
Reviewed-on: https://boringssl-review.googlesource.com/6484
Reviewed-by: Adam Langley <agl@google.com>
