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Remove db_user_namespace.

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This feature was intended to be a temporary measure to support
per-database user names.  A better one hasn't materialized in the
~21 years since it was added, and nobody claims to be using it, so
let's just remove it.

Reviewed-by: Michael Paquier, Magnus Hagander
Discussion: https://postgr.es/m/20230630200509.GA2830328%40nathanxps13
Discussion: https://postgr.es/m/20230630215608.GD2941194%40nathanxps13
This commit is contained in:
Nathan Bossart
2023-07-17 11:44:59 -07:00
parent 2c2eb0d6b2
commit 884eee5bfb
8 changed files with 0 additions and 105 deletions
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5
src/backend/libpq/auth.c
View File

@@ -873,11 +873,6 @@ CheckMD5Auth(Port *port, char *shadow_pass, const char **logdetail)
char *passwd;
int result;
if (Db_user_namespace)
ereport(FATAL,
(errcode(ERRCODE_INVALID_AUTHORIZATION_SPECIFICATION),
errmsg("MD5 authentication is not supported when \"db_user_namespace\" is enabled")));
/* include the salt to use for computing the response */
if (!pg_strong_random(md5Salt, 4))
{

12
src/backend/libpq/hba.c
View File

@@ -1741,19 +1741,7 @@ parse_hba_line(TokenizedAuthLine *tok_line, int elevel)
else if (strcmp(token->string, "reject") == 0)
parsedline->auth_method = uaReject;
else if (strcmp(token->string, "md5") == 0)
{
if (Db_user_namespace)
{
ereport(elevel,
(errcode(ERRCODE_CONFIG_FILE_ERROR),
errmsg("MD5 authentication is not supported when \"db_user_namespace\" is enabled"),
errcontext("line %d of configuration file \"%s\"",
line_num, file_name)));
*err_msg = "MD5 authentication is not supported when \"db_user_namespace\" is enabled";
return NULL;
}
parsedline->auth_method = uaMD5;
}
else if (strcmp(token->string, "scram-sha-256") == 0)
parsedline->auth_method = uaSCRAM;
else if (strcmp(token->string, "pam") == 0)