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Improve several permission-related error messages.

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Mainly move some detail from errmsg to errdetail, remove explicit
mention of superuser where appropriate, since that is implied in most
permission checks, and make messages more uniform.

Author: Nathan Bossart <nathandbossart@gmail.com>
Discussion: https://www.postgresql.org/message-id/20230316234701.GA903298@nathanxps13
This commit is contained in:
Peter Eisentraut
2023-03-17 10:14:16 +01:00
parent 39a3bdc9eb
commit de4d456b40
18 changed files with 282 additions and 109 deletions
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3
contrib/file_fdw/expected/file_fdw.out
View File

@ -491,7 +491,8 @@ ALTER FOREIGN TABLE agg_text OWNER TO regress_file_fdw_user;
ALTER FOREIGN TABLE agg_text OPTIONS (SET format 'text');
SET ROLE regress_file_fdw_user;
ALTER FOREIGN TABLE agg_text OPTIONS (SET format 'text');
ERROR: only superuser or a role with privileges of the pg_read_server_files role may specify the filename option of a file_fdw foreign table
ERROR: permission denied to set the "filename" option of a file_fdw foreign table
DETAIL: Only roles with privileges of the "pg_read_server_files" role may set this option.
SET ROLE regress_file_fdw_superuser;
-- cleanup
RESET ROLE;

10
contrib/file_fdw/file_fdw.c
View File

@ -279,13 +279,19 @@ file_fdw_validator(PG_FUNCTION_ARGS)
!has_privs_of_role(GetUserId(), ROLE_PG_READ_SERVER_FILES))
ereport(ERROR,
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
errmsg("only superuser or a role with privileges of the pg_read_server_files role may specify the filename option of a file_fdw foreign table")));
errmsg("permission denied to set the \"%s\" option of a file_fdw foreign table",
"filename"),
errdetail("Only roles with privileges of the \"%s\" role may set this option.",
"pg_read_server_files")));
if (strcmp(def->defname, "program") == 0 &&
!has_privs_of_role(GetUserId(), ROLE_PG_EXECUTE_SERVER_PROGRAM))
ereport(ERROR,
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
errmsg("only superuser or a role with privileges of the pg_execute_server_program role may specify the program option of a file_fdw foreign table")));
errmsg("permission denied to set the \"%s\" option of a file_fdw foreign table",
"program"),
errdetail("Only roles with privileges of the \"%s\" role may set this option.",
"pg_execute_server_program")));
filename = defGetString(def);
}