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b88afd8b61
postgresql/contrib/pgcrypto
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Michael Paquier b88afd8b61 pgcrypto: Detect errors with EVP calls from OpenSSL 
The following routines are called within pgcrypto when handling digests
but there were no checks for failures:
- EVP_MD_CTX_size (can fail with -1 as of 3.0.0)
- EVP_MD_CTX_block_size (can fail with -1 as of 3.0.0)
- EVP_DigestInit_ex
- EVP_DigestUpdate
- EVP_DigestFinal_ex

A set of elog(ERROR) is added by this commit to detect such failures,
that should never happen except in the event of a processing failure
internal to OpenSSL.

Note that it would be possible to use ERR_reason_error_string() to get
more context about such errors, but these refer mainly to the internals
of OpenSSL, so it is not really obvious how useful that would be.  This
is left out for simplicity.

Per report from Coverity.  Thanks to Tom Lane for the discussion.

Backpatch-through: 9.5
2020-12-08 15:22:48 +09:00
..
expected Adjust pgcrypto's expected test results for --disable-strong-random. 2020-08-02 11:00:12 -04:00
sql Fix corner case with 16kB-long decompression in pgcrypto, take 2 2020-07-27 15:59:03 +09:00
.gitignore Support SCRAM-SHA-256 authentication (RFC 5802 and 7677). 2017-03-07 14:25:40 +02:00
blf.c Remove cvs keywords from all files. 2010-09-20 22:08:53 +02:00
blf.h Remove cvs keywords from all files. 2010-09-20 22:08:53 +02:00
crypt-blowfish.c Get rid of trailing semicolons in C macro definitions. 2020-05-01 17:28:01 -04:00
crypt-des.c Replace most usages of ntoh[ls] and hton[sl] with pg_bswap.h. 2017-10-01 15:36:14 -07:00
crypt-gensalt.c Phase 3 of pgindent updates. 2017-06-21 15:35:54 -04:00
crypt-md5.c Add missing error check in pgcrypto/crypt-md5.c. 2020-10-16 11:59:36 -04:00
imath.c Allow btree comparison functions to return INT_MIN. 2018-10-05 16:01:29 -04:00
imath.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
internal-sha2.c Refactor SHA2 functions and move them to src/common/. 2017-03-07 14:23:49 +02:00
internal.c Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
Makefile Support SCRAM-SHA-256 authentication (RFC 5802 and 7677). 2017-03-07 14:25:40 +02:00
mbuf.c Fix typos in comments. 2017-02-06 11:33:58 +02:00
mbuf.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
md5.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
md5.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
openssl.c pgcrypto: Detect errors with EVP calls from OpenSSL 2020-12-08 15:22:48 +09:00
pgcrypto--1.0--1.1.sql Add gen_random_uuid() to contrib/pgcrypto. 2014-01-17 16:52:06 -05:00
pgcrypto--1.1--1.2.sql Add functions for dealing with PGP armor header lines to pgcrypto. 2014-10-01 16:03:39 +03:00
pgcrypto--1.2--1.3.sql Update pgcrypto extension for parallel query. 2016-06-09 17:18:14 -04:00
pgcrypto--1.3.sql Minor fixes in contrib installation scripts. 2016-06-14 10:47:06 -04:00
pgcrypto--unpackaged--1.0.sql Fix typos in some error messages thrown by extension scripts when fed to psql. 2014-08-25 18:30:37 +02:00
pgcrypto.c Add some const decorations to prototypes 2017-11-10 13:38:57 -05:00
pgcrypto.control Update pgcrypto extension for parallel query. 2016-06-09 17:18:14 -04:00
pgcrypto.h Remove unnecessary prototypes 2016-09-30 14:04:16 -04:00
pgp-armor.c Rename base64 routines to avoid conflict with Solaris built-in functions. 2018-02-28 18:33:45 -05:00
pgp-cfb.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
pgp-compress.c Fix corner case with 16kB-long decompression in pgcrypto, take 2 2020-07-27 15:59:03 +09:00
pgp-decrypt.c Fix misc typos in comments. 2019-01-23 13:43:41 +02:00
pgp-encrypt.c Fix pgcrypto compilation with OpenSSL 1.1.0. 2016-12-12 11:14:44 +02:00
pgp-info.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
pgp-mpi-internal.c Fix typos in comments. 2017-02-06 11:33:58 +02:00
pgp-mpi-openssl.c Fix typos in comments. 2017-02-06 11:33:58 +02:00
pgp-mpi.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
pgp-pgsql.c Phase 3 of pgindent updates. 2017-06-21 15:35:54 -04:00
pgp-pubdec.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
pgp-pubenc.c Fix generation of padding message before encrypting Elgamal in pgcrypto 2019-01-01 10:39:29 +09:00
pgp-pubkey.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
pgp-s2k.c Replace PostmasterRandom() with a stronger source, second attempt. 2016-12-05 13:42:59 +02:00
pgp.c pgcrypto: support changing S2K iteration count 2016-03-09 14:31:07 -03:00
pgp.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
px-crypt.c Initial pgindent run with pg_bsd_indent version 2.0. 2017-06-21 14:39:04 -04:00
px-crypt.h Phase 3 of pgindent updates. 2017-06-21 15:35:54 -04:00
px-hmac.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
px.c Improve style guideline compliance of assorted error-report messages. 2018-03-22 17:33:10 -04:00
px.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
rijndael.c Fix a boatload of typos in C comments. 2018-04-01 15:01:28 -04:00
rijndael.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
rijndael.tbl Remove useless whitespace at end of lines 2010-11-23 22:34:55 +02:00
sha1.c Initial pgindent run with pg_bsd_indent version 2.0. 2017-06-21 14:39:04 -04:00
sha1.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00