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Remove configure switch --disable-strong-random

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This removes a portion of infrastructure introduced by fe0a0b5 to allow
compilation of Postgres in environments where no strong random source is
available, meaning that there is no linking to OpenSSL and no
/dev/urandom (Windows having its own CryptoAPI).  No systems shipped
this century lack /dev/urandom, and the buildfarm is actually not
testing this switch at all, so just remove it.  This simplifies
particularly some backend code which included a fallback implementation
using shared memory, and removes a set of alternate regression output
files from pgcrypto.

Author: Michael Paquier
Reviewed-by: Tom Lane
Discussion: https://postgr.es/m/20181230063219.GG608@paquier.xyz
This commit is contained in:
Michael Paquier
2019-01-01 20:05:51 +09:00
parent d880b208e5
commit 1707a0d2aa
32 changed files with 60 additions and 1183 deletions
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3
src/backend/access/transam/xlog.c
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@ -65,7 +65,6 @@
#include "storage/reinit.h"
#include "storage/smgr.h"
#include "storage/spin.h"
#include "utils/backend_random.h"
#include "utils/builtins.h"
#include "utils/guc.h"
#include "utils/memutils.h"
@ -5132,7 +5131,7 @@ BootStrapXLOG(void)
* a genuine-looking password challenge for the non-existent user, in lieu
* of an actual stored password.
*/
if (!pg_backend_random(mock_auth_nonce, MOCK_AUTH_NONCE_LEN))
if (!pg_strong_random(mock_auth_nonce, MOCK_AUTH_NONCE_LEN))
ereport(PANIC,
(errcode(ERRCODE_INTERNAL_ERROR),
errmsg("could not generate secret authorization token")));