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Disallow superuser names starting with 'pg_' in initdb

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As with CREATE ROLE, disallow users from specifying initial
superuser names which begin with 'pg_' in initdb.

Per discussion with Tom.
This commit is contained in:
Stephen Frost
2016-05-08 11:55:44 -04:00
parent 9eb7a0ac6b
commit 7df974ee0b
1 changed files with 6 additions and 0 deletions
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6
src/bin/initdb/initdb.c
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@ -3562,6 +3562,12 @@ main(int argc, char *argv[])
if (strlen(username) == 0)
username = effective_user;
if (strncmp(username, "pg_", 3) == 0)
{
fprintf(stderr, _("%s: superuser name \"%s\" is reserved; role names can not begin with 'pg_'\n"), progname, username);
exit(1);
}
printf(_("The files belonging to this database system will be owned "
"by user \"%s\".\n"
"This user must also own the server process.\n\n"),