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initdb: Change authentication defaults

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Change the defaults for the pg_hba.conf generated by initdb to "peer"
for local (if supported, else "md5") and "md5" for host.

(Changing from "md5" to SCRAM is left as a separate exercise.)

"peer" is currently not supported on AIX, HP-UX, and Windows.  Users
on those operating systems will now either have to provide a password
to initdb or choose a different authentication method when running
initdb.

Reviewed-by: Julien Rouhaud <rjuju123@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/bec17f0a-ddb1-8b95-5e69-368d9d0a3390%40postgresql.org
This commit is contained in:
Peter Eisentraut
2019-07-22 14:40:55 +02:00
parent 1e6a759838
commit 09f08930f0
6 changed files with 41 additions and 46 deletions
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5
src/include/port.h
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@@ -361,6 +361,11 @@ extern int fls(int mask);
extern int getpeereid(int sock, uid_t *uid, gid_t *gid);
#endif
/* must match src/port/getpeereid.c */
#if defined(HAVE_GETPEEREID) || defined(SO_PEERCRED) || defined(LOCAL_PEERCRED) || defined(HAVE_GETPEERUCRED)
#define HAVE_AUTH_PEER 1
#endif
#ifndef HAVE_ISINF
extern int isinf(double x);
#else