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postgresql/contrib/pgcrypto
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Michael Paquier 28d1601ad9 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 15:22:12 +09:00
..
expected Fix corner case with 16kB-long decompression in pgcrypto, take 2 2020-07-27 15:58:32 +09:00
sql Fix corner case with 16kB-long decompression in pgcrypto, take 2 2020-07-27 15:58:32 +09:00
.gitignore
blf.c
blf.h
crypt-blowfish.c Get rid of trailing semicolons in C macro definitions. 2020-05-01 17:28:00 -04:00
crypt-des.c Replace remaining StrNCpy() by strlcpy() 2020-08-10 23:20:37 +02:00
crypt-gensalt.c
crypt-md5.c Add missing error check in pgcrypto/crypt-md5.c. 2020-10-16 11:59:13 -04:00
imath.c Remove custom memory allocation layer in pgcrypto 2020-09-25 10:25:55 +09:00
imath.h
internal-sha2.c Move SHA2 routines to a new generic API layer for crypto hashes 2020-12-02 10:37:20 +09:00
internal.c Remove custom memory allocation layer in pgcrypto 2020-09-25 10:25:55 +09:00
Makefile Remove support for upgrading extensions from "unpackaged" state. 2020-02-19 16:59:14 -05:00
mbuf.c Remove custom memory allocation layer in pgcrypto 2020-09-25 10:25:55 +09:00
mbuf.h
md5.c
md5.h
openssl.c pgcrypto: Detect errors with EVP calls from OpenSSL 2020-12-08 15:22:12 +09:00
pgcrypto--1.0--1.1.sql
pgcrypto--1.1--1.2.sql
pgcrypto--1.2--1.3.sql
pgcrypto--1.3.sql
pgcrypto.c Make the order of the header file includes consistent in contrib modules. 2019-10-24 08:05:34 +05:30
pgcrypto.control Mark some contrib modules as "trusted". 2020-02-13 15:02:35 -05:00
pgcrypto.h
pgp-armor.c Make the order of the header file includes consistent in contrib modules. 2019-10-24 08:05:34 +05:30
pgp-cfb.c Remove custom memory allocation layer in pgcrypto 2020-09-25 10:25:55 +09:00
pgp-compress.c Fix some grammar and typos in comments and docs 2020-11-02 15:14:41 +09:00
pgp-decrypt.c Remove custom memory allocation layer in pgcrypto 2020-09-25 10:25:55 +09:00
pgp-encrypt.c Remove custom memory allocation layer in pgcrypto 2020-09-25 10:25:55 +09:00
pgp-info.c Dial back -Wimplicit-fallthrough to level 3 2020-05-13 15:31:14 -04:00
pgp-mpi-internal.c Remove custom memory allocation layer in pgcrypto 2020-09-25 10:25:55 +09:00
pgp-mpi-openssl.c Make the order of the header file includes consistent in contrib modules. 2019-10-24 08:05:34 +05:30
pgp-mpi.c Remove custom memory allocation layer in pgcrypto 2020-09-25 10:25:55 +09:00
pgp-pgsql.c Introduce macros for typalign and typstorage constants. 2020-03-04 10:34:25 -05:00
pgp-pubdec.c Make the order of the header file includes consistent in contrib modules. 2019-10-24 08:05:34 +05:30
pgp-pubenc.c Remove custom memory allocation layer in pgcrypto 2020-09-25 10:25:55 +09:00
pgp-pubkey.c Remove custom memory allocation layer in pgcrypto 2020-09-25 10:25:55 +09:00
pgp-s2k.c Make the order of the header file includes consistent in contrib modules. 2019-10-24 08:05:34 +05:30
pgp.c Remove custom memory allocation layer in pgcrypto 2020-09-25 10:25:55 +09:00
pgp.h Fix inconsistencies and typos in the tree, take 10 2019-08-13 13:53:41 +09:00
px-crypt.c Make the order of the header file includes consistent in contrib modules. 2019-10-24 08:05:34 +05:30
px-crypt.h
px-hmac.c Remove custom memory allocation layer in pgcrypto 2020-09-25 10:25:55 +09:00
px.c Add error code for encryption failure in pgcrypto 2020-11-01 19:22:59 +09:00
px.h Add error code for encryption failure in pgcrypto 2020-11-01 19:22:59 +09:00
rijndael.c
rijndael.h
rijndael.tbl
sha1.c Fix inconsistencies and typos in the tree, take 9 2019-08-05 12:14:58 +09:00
sha1.h