152 lines
3.7 KiB
C
152 lines
3.7 KiB
C
/*-------------------------------------------------------------------------
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*
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* dropuser
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*
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* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $PostgreSQL: pgsql/src/bin/scripts/dropuser.c,v 1.23 2008/01/01 19:45:56 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#include "postgres_fe.h"
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#include "common.h"
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#include "dumputils.h"
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static void help(const char *progname);
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int
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main(int argc, char *argv[])
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{
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static struct option long_options[] = {
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{"host", required_argument, NULL, 'h'},
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{"port", required_argument, NULL, 'p'},
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{"username", required_argument, NULL, 'U'},
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{"password", no_argument, NULL, 'W'},
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{"echo", no_argument, NULL, 'e'},
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{"quiet", no_argument, NULL, 'q'},
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{"interactive", no_argument, NULL, 'i'},
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{NULL, 0, NULL, 0}
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};
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const char *progname;
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int optindex;
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int c;
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char *dropuser = NULL;
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char *host = NULL;
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char *port = NULL;
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char *username = NULL;
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bool password = false;
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bool echo = false;
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bool interactive = false;
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PQExpBufferData sql;
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PGconn *conn;
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PGresult *result;
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progname = get_progname(argv[0]);
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set_pglocale_pgservice(argv[0], "pgscripts");
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handle_help_version_opts(argc, argv, "dropuser", help);
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while ((c = getopt_long(argc, argv, "h:p:U:Weqi", long_options, &optindex)) != -1)
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{
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switch (c)
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{
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case 'h':
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host = optarg;
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break;
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case 'p':
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port = optarg;
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break;
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case 'U':
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username = optarg;
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break;
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case 'W':
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password = true;
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break;
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case 'e':
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echo = true;
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break;
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case 'q':
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/* obsolete; remove in 8.4 */
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break;
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case 'i':
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interactive = true;
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break;
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default:
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fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname);
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exit(1);
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}
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}
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switch (argc - optind)
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{
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case 0:
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break;
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case 1:
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dropuser = argv[optind];
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break;
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default:
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fprintf(stderr, _("%s: too many command-line arguments (first is \"%s\")\n"),
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progname, argv[optind + 1]);
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fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname);
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exit(1);
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}
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if (dropuser == NULL)
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dropuser = simple_prompt("Enter name of role to drop: ", 128, true);
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if (interactive)
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{
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printf(_("Role \"%s\" will be permanently removed.\n"), dropuser);
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if (!yesno_prompt("Are you sure?"))
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exit(0);
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}
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initPQExpBuffer(&sql);
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appendPQExpBuffer(&sql, "DROP ROLE %s;\n", fmtId(dropuser));
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conn = connectDatabase("postgres", host, port, username, password, progname);
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if (echo)
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printf("%s", sql.data);
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result = PQexec(conn, sql.data);
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if (PQresultStatus(result) != PGRES_COMMAND_OK)
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{
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fprintf(stderr, _("%s: removal of role \"%s\" failed: %s"),
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progname, dropuser, PQerrorMessage(conn));
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PQfinish(conn);
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exit(1);
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}
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PQclear(result);
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PQfinish(conn);
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exit(0);
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}
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static void
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help(const char *progname)
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{
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printf(_("%s removes a PostgreSQL role.\n\n"), progname);
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printf(_("Usage:\n"));
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printf(_(" %s [OPTION]... [ROLENAME]\n"), progname);
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printf(_("\nOptions:\n"));
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printf(_(" -e, --echo show the commands being sent to the server\n"));
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printf(_(" -i, --interactive prompt before deleting anything\n"));
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printf(_(" -h, --host=HOSTNAME database server host or socket directory\n"));
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printf(_(" -p, --port=PORT database server port\n"));
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printf(_(" -U, --username=USERNAME user name to connect as (not the one to drop)\n"));
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printf(_(" -W, --password force password prompt\n"));
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printf(_(" --help show this help, then exit\n"));
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printf(_(" --version output version information, then exit\n"));
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printf(_("\nReport bugs to <pgsql-bugs@postgresql.org>.\n"));
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}
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