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Commit Graph

39 Commits

Author SHA1 Message Date
Volker Lendecke
d865ed2006 asn1: Make 'struct asn1_data' private
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-01-06 00:54:18 +01:00
Volker Lendecke
927bbed6aa asn1: Add asn1_current_ofs()
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-01-06 00:54:18 +01:00
Volker Lendecke
2a5141a772 asn1: Add asn1_has_nesting
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-01-06 00:54:18 +01:00
Volker Lendecke
7b7aa016df asn1: Add asn1_extract_blob()
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-01-06 00:54:18 +01:00
Volker Lendecke
94b44598a5 asn1: Add asn1_set_error()
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-01-06 00:54:18 +01:00
Volker Lendecke
fa207fe9d1 asn1: Add asn1_has_error()
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-01-06 00:54:18 +01:00
Volker Lendecke
ef8049b243 asn1: Make "struct nesting" private
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-01-06 00:54:17 +01:00
Volker Lendecke
f908e6560b asn1: Add some early returns
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-01-06 00:54:17 +01:00
Volker Lendecke
249202d8c0 asn1: Add overflow check to asn1_write
Found by pure code reading :-)

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-01-06 00:54:17 +01:00
Volker Lendecke
ad630a681e asn1: Make asn1_peek_full_tag return 0/errno
We don't need the full power of NTSTATUS here. This was the only
NTSTATUS in asn1.h, so I think it's worth removing it.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-01-06 00:54:17 +01:00
Volker Lendecke
45800223fd asn1: Remove an unused asn1 function
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-01-06 00:54:17 +01:00
Volker Lendecke
cccec44842 lib: Fix CID 1272834 Unchecked return value
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-03-24 00:00:20 +01:00
Jeremy Allison
b9d3fd4cc5 lib: util: Check *every* asn1 return call and early return.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <Volker.Lendecke@SerNet.DE>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Sep 19 01:29:00 CEST 2014 on sn-devel-104
2014-09-19 01:29:00 +02:00
Jeff Layton
fec84112f3 asn1: fix use-after-free in asn1_write
On talloc_realloc failure, asn1_write calls talloc_free on an asn1_data
pointer and then tries to immediately set the has_error flag on it.

Skip the free and just set the has_error flag.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Volker Lendecke <vl@samba.org>

Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Mon Oct 14 16:54:35 CEST 2013 on sn-devel-104
2013-10-14 16:54:34 +02:00
Andrew Bartlett
1013fab5f8 lib/util: Allocate enough space to reference blob->data[len]
Found by Thomas Hood <jdthood@gmail.com> using valgrind.

Thanks!

Andrew Bartlett
2012-07-13 08:12:17 +02:00
Jeremy Allison
e719dfd4dc Fix our asn.1 parser to handle negative numbers.
Autobuild-User: Jeremy Allison <jra@samba.org>
Autobuild-Date: Tue May 24 22:57:16 CEST 2011 on sn-devel-104
2011-05-24 22:57:16 +02:00
Volker Lendecke
4981adcca3 asn1: Fix Coverity ID 2299, CHECKED_RETURN 2011-04-22 10:06:36 +02:00
Matthias Dieter Wallnöfer
3b591caed0 lib/util/asn1.c - remove the "const" specifier from OID
There is no reason to have it "const" since it's an allocated thing.
2010-12-21 15:10:37 +11:00
Kamen Mazdrashki
6b63ad6ff1 asn1: ber_write_OID_String() to be more picky about supplied OID
Now function will check for invalid OID handling cases where:
 - sub-identifier has invalid characters (non-digit)
 - 'dot' separator found on unexpected place. For instance
    '.' at start or end of the OID. Two '.' in a row.
2010-10-22 01:48:58 +03:00
Kamen Mazdrashki
d057ca3e3f lib/util/asn1.c: comment spelling 2010-10-20 13:12:17 +00:00
Stefan Metzmacher
59d00fc439 lib/util/asn1: let asn1_peek_full_tag() return an error if we fail to parse tag hdr/len
metze

Autobuild-User: Stefan Metzmacher <metze@samba.org>
Autobuild-Date: Mon Oct  4 14:46:40 UTC 2010 on sn-devel-104
2010-10-04 14:46:40 +00:00
Volker Lendecke
fc6e910e69 s3: Fix a 64-bit BUG
Quick explanation why this is a problem:

It is not safe to pass a pointer to a uint32_t into a routine that expects
a size_t *. The routine that this pointer is passed to has no chance to find
out that in reality it was passed a pointer to a uint32_t. On platforms where
sizeof(size_t)==8, we get a nice overwrite of a stack area that should not
be overwritten.

As this happens over an over again: Does someone know a means to make gcc
stop with an error in this case?

Volker
2010-10-02 11:17:49 +02:00
Stefan Metzmacher
182a69c5be lib/util/asn1: add asn1_peek_tag_needed_size() and asn1_peek_full_tag()
We need a way to ask for the length of a tag without having the full
buffer yet.

metze
2010-09-26 06:45:39 +02:00
Volker Lendecke
56940a28ff Fix an uninitialized variable 2010-03-21 21:01:28 +01:00
Matt Kraai
a7250eb142 Change uint_t to unsigned int in lib/util
Signed-off-by: Stefan Metzmacher <metze@samba.org>
2010-02-02 07:18:17 +01:00
Kamen Mazdrashki
f11cdc19d1 s4/asn1: Use explicite TALLOC_CTX in ber_write_OID functions 2009-10-16 12:54:13 +03:00
Kamen Mazdrashki
a58bc2c9a9 s4/asn1: ber_read_OID_String() to be based on _ber_read_OID_String_impl() 2009-10-01 23:13:00 +02:00
Kamen Mazdrashki
540759ec4d s4/drsuapi: ber_read_partial_OID_String() implementation 2009-10-01 23:12:58 +02:00
Kamen Mazdrashki
55dfc116f4 s4/drsuapi: Internal implementation for ber_read_OID_String
Modified implementation _ber_read_OID_String_impl()
returns how much bytes are converted.
The intentation is to use this implementation both for
reading OIDs and partial-OIDs in the future
2009-10-01 23:12:58 +02:00
Kamen Mazdrashki
715c790600 s4/drsuapi: ber_write_partial_OID_String() implementation 2009-10-01 23:12:57 +02:00
Kouhei Sutou
f8dae40fc8 spnego: Support ASN.1 BIT STRING and use it in SPNEGO.
Signed-off-by: Günther Deschner <gd@samba.org>
2009-09-17 20:10:54 +02:00
Stefan Metzmacher
2ef1159c0d util/asn1: fix potential memory leak in asn1_write_OID()
metze
2009-07-31 14:42:02 +02:00
Volker Lendecke
22cb9bdfd3 Move asn1_load_nocopy() to lib/util/asn1.c 2009-06-20 18:54:07 +02:00
Volker Lendecke
ecf8cebf32 Move asn1_blob() to lib/util/asn1.c 2009-06-20 18:54:07 +02:00
Andrew Tridgell
d42019644b added asn1 functions for handling booleans in a simple context 2009-06-10 11:45:53 +10:00
Volker Lendecke
537b257cca Use data_blob_null instead of data_blob(NULL, 0) 2009-06-06 10:42:55 +02:00
Günther Deschner
d81a9a9837 lib-util: fix c++ compile warning.
Guenther
2008-10-22 21:37:36 +02:00
Jelmer Vernooij
9565999755 Fix include paths to new location of libutil. 2008-10-11 21:31:42 +02:00
Jelmer Vernooij
caa4e42860 Move lib/util from source4 to top-level libutil.
Conflicts:

	source4/Makefile
2008-10-11 21:05:38 +02:00