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41 Commits

Author SHA1 Message Date
Milan Broz
5fdfc0b54a Fix AF prototypes and move then to af.h. 2017-04-14 13:25:21 +02:00
Milan Broz
98368c4770 Update copyright years. 2017-03-12 13:17:15 +01:00
Tobias Stoeckmann
a0587d4307 Avoid integer overflows during memory allocation. 
It is possible to overflow integers during memory allocation with
insanely large "key bytes" specified in a LUKS header.

Although it could be argued to properly validate LUKS headers while
parsing them, it's still a good idea to fix any form of possible
overflow attacks against cryptsetup in these allocation functions.
 2016-07-02 20:57:10 +02:00
VittGam
e7e5354332 Fix off-by-one error in maximum keyfile size. 
Allow keyfiles up to DEFAULT_KEYFILE_SIZE_MAXKB * 1024 bytes in size, and not that value minus one.

Signed-off-by: Vittorio Gambaletta <git-cryptsetup@vittgam.net>
 2016-04-19 03:58:10 +00:00
Milan Broz
d293de579a Fix various backward incompatibilities in password processing. 2015-11-20 09:18:31 +01:00
Milan Broz
5293f5aae1 Move terminal handling to tools wrapper. 2015-11-20 09:18:31 +01:00
Milan Broz
252cdef110 Extract keyfile read from get_key wrapper. 2015-11-20 09:18:31 +01:00
Milan Broz
7843415243 Move string_to_size to userspace tools. 2015-08-26 12:42:25 +02:00
Milan Broz
0dc245401f Allow to enter empty password through stdin pipe. 
Also always use empty passsword when using null cipher in tests.
 2015-07-02 08:18:12 +02:00
Milan Broz
f7b61b2617 Prevent compiler to optiize-out memset for on-stack variables. 
Also see
https://cryptocoding.net/index.php/Coding_rules#Prevent_compiler_interference_with_security-critical_operations

The used code is inspired by the code in Blake2 implementation.
 2015-01-11 20:26:45 +01:00
Ondrej Kozina
3cffadb508 fix possible close of unrelated fd on error path 
- infd var is uninitialised on error path in case where
  maxlen is less than 1
 2014-10-01 20:10:23 +02:00
Milan Broz
7b42254975 Workaround for scan-build false positive. 
Also tidy code to be more readable.
 2014-08-10 16:07:47 +02:00
Milan Broz
29f21208a0 Change License from GPLv2 only to GPLv2+ ("or any later"). 
Agreed by all copyright authors.
 2012-12-29 11:33:54 +01:00
Milan Broz
83f02e6682 Add copyright line for files I have written or modified. 2012-12-21 16:40:33 +01:00
Milan Broz
89e09afdf6 Fix some problems found by Coverity static analysis. 2012-09-19 13:58:00 +02:00
Milan Broz
af2730fe2a Always zero memory in crypt_safe_alloc. 2012-08-27 16:28:00 +02:00
Dave Reisner
961682aa6b lib/utils_crypt: optimize seek to keyfile-offset 
Avoid using unbuffered reads when "seeking" to a keyfile offset. This is
abysmally slow when the key is hidden at the end of a large device.
Instead, try to actually call lseek, falling back on reading in chunks
of BUFSIZ bytes until the desired offset is reached.

Command line:

  cryptsetup luksOpen /dev/vdc1 home \
      --keyfile /dev/vdd --keyfile-size 4096 --keyfile-offset 123456789

Before:

  real   0m25.589s
  user   0m7.030s
  sys    0m18.479s

After:

  real   0m4.464s
  user   0m4.253s
  sys    0m0.157s
 2012-08-27 13:10:00 +02:00
Milan Broz
b684fffdaf Switch to use unit suffix for --reduce-device-size option. 2012-06-25 16:06:43 +02:00
Milan Broz
fb3b62ca02 Add --device-size option for reencryption tool. 2012-06-25 15:34:11 +02:00
Milan Broz
a9d9a2ad44 Fix hex_to_bytes and add it to common utils. 2012-06-18 17:09:48 +02:00
Milan Broz
5e52599326 Do not use IV for null cipher. 2012-05-26 20:44:14 +02:00
Milan Broz
c2a33b480f Allow empty cipher (cipher_null). 2012-05-20 21:38:23 +02:00
Yuri Chornoivan
1562879369 Fix typo 2012-04-22 22:04:42 +02:00
Milan Broz
ee8425b836 Version 1.4.2. 
Add header and copyright for header files.
 2012-04-02 22:03:05 +02:00
Milan Broz
9511c91a79 Add --keyfile-offset and --new-keyfile-offset to cryptsetup. 
Add resume_by_keyfile_offset, add_kesylot_by_keyfile_offset and
activate_by_keyfile_offset to API.

Thanks to Matthew Monaco <matthew.monaco@0x01b.net>
 2012-03-29 18:35:07 +02:00
Milan Broz
075fb8d261 Unify password verification option. 
Support password verification with quiet flag if possible. (1.2.0)
 2012-03-16 16:17:03 +01:00
Milan Broz
a5aa30be33 Fix use of empty keyfile (Issue 120). 
git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@702 36d66b0a-2a48-0410-832c-cd162a569da5
 2012-01-12 22:13:23 +00:00
Milan Broz
7835b365a7 Fix FSF address in license text according to 
http://www.gnu.org/licenses/old-licenses/gpl-2.0.html

git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@671 36d66b0a-2a48-0410-832c-cd162a569da5
 2011-11-02 22:35:21 +00:00
Milan Broz
be246c16ab Fix exit code if passphrases do not match in luksAddKey. (Issue 109) 
git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@625 36d66b0a-2a48-0410-832c-cd162a569da5
 2011-10-09 13:46:14 +00:00
Milan Broz
9ca1ac5a39 Remove another compile warnings. 
git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@515 36d66b0a-2a48-0410-832c-cd162a569da5
 2011-04-18 14:03:59 +00:00
Milan Broz
38590eaef2 Fix return code when passphrase is read from pipe. 
git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@486 36d66b0a-2a48-0410-832c-cd162a569da5
 2011-03-25 16:11:03 +00:00
Milan Broz
93da52f883 Rewrite key input handling, add limits. 
git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@474 36d66b0a-2a48-0410-832c-cd162a569da5
 2011-03-19 00:17:10 +00:00
Milan Broz
ddcdd76cc2 Specify copyright holders in source files. 
Add README notes.

git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@461 36d66b0a-2a48-0410-832c-cd162a569da5
 2011-03-14 14:17:38 +00:00
Milan Broz
49937ac591 Detect # of keys from cipher string. 
Fix status output string.

git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@417 36d66b0a-2a48-0410-832c-cd162a569da5
 2011-01-25 18:48:48 +00:00
Milan Broz
a70b27762d Fix some warnings if compiled with clang. 
git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@371 36d66b0a-2a48-0410-832c-cd162a569da5
 2010-11-15 16:19:19 +00:00
Milan Broz
f90edb6133 Simplify return codes from get key functions. 
git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@363 36d66b0a-2a48-0410-832c-cd162a569da5
 2010-11-13 16:41:29 +00:00
Milan Broz
c9881f8c33 * Add crypt_get_type(), crypt_resize(), crypt_keyslot_max() 
and crypt_get_active_device() to API.
* Rewrite all implementations in cryptsetup to new API.
* Fix luksRemoveKey to behave as documented (do not ask
for remaining keyslot passphrase).
* Add more regression tests for commands.

git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@360 36d66b0a-2a48-0410-832c-cd162a569da5
 2010-11-05 11:27:47 +00:00
Milan Broz
3ae161df5d Move get_key to common code, simplify verify flags. 
(This code need rewrite anyway).

git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@352 36d66b0a-2a48-0410-832c-cd162a569da5
 2010-10-26 22:08:02 +00:00
Milan Broz
3a5a1ea0e7 Move safe alloc routines into common lib file. 
git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@351 36d66b0a-2a48-0410-832c-cd162a569da5
 2010-10-26 22:07:43 +00:00
Milan Broz
ec3b767103 Remove dead parse code. 
git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@349 36d66b0a-2a48-0410-832c-cd162a569da5
 2010-10-26 14:35:06 +00:00
Milan Broz
bb8e085378 Add utils_crypt file and test for supported modes presentation. 
git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@348 36d66b0a-2a48-0410-832c-cd162a569da5
 2010-10-26 14:34:47 +00:00