| /*------------------------------------------------------------------------- |
| * |
| * dropuser |
| * |
| * Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group |
| * Portions Copyright (c) 1994, Regents of the University of California |
| * |
| * $PostgreSQL: pgsql/src/bin/scripts/dropuser.c,v 1.28 2009/02/26 16:20:55 petere Exp $ |
| * |
| *------------------------------------------------------------------------- |
| */ |
| |
| #include "postgres_fe.h" |
| #include "common.h" |
| #include "dumputils.h" |
| |
| |
| static void help(const char *progname); |
| |
| |
| int |
| main(int argc, char *argv[]) |
| { |
| static struct option long_options[] = { |
| {"host", required_argument, NULL, 'h'}, |
| {"port", required_argument, NULL, 'p'}, |
| {"username", required_argument, NULL, 'U'}, |
| {"no-password", no_argument, NULL, 'w'}, |
| {"password", no_argument, NULL, 'W'}, |
| {"echo", no_argument, NULL, 'e'}, |
| {"interactive", no_argument, NULL, 'i'}, |
| {NULL, 0, NULL, 0} |
| }; |
| |
| const char *progname; |
| int optindex; |
| int c; |
| |
| char *dropuser = NULL; |
| char *host = NULL; |
| char *port = NULL; |
| char *username = NULL; |
| enum trivalue prompt_password = TRI_DEFAULT; |
| bool echo = false; |
| bool interactive = false; |
| |
| PQExpBufferData sql; |
| |
| PGconn *conn; |
| PGresult *result; |
| |
| progname = get_progname(argv[0]); |
| set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("pgscripts")); |
| |
| handle_help_version_opts(argc, argv, "dropuser", help); |
| |
| while ((c = getopt_long(argc, argv, "h:p:U:wWei", long_options, &optindex)) != -1) |
| { |
| switch (c) |
| { |
| case 'h': |
| host = optarg; |
| break; |
| case 'p': |
| port = optarg; |
| break; |
| case 'U': |
| username = optarg; |
| break; |
| case 'w': |
| prompt_password = TRI_NO; |
| break; |
| case 'W': |
| prompt_password = TRI_YES; |
| break; |
| case 'e': |
| echo = true; |
| break; |
| case 'i': |
| interactive = true; |
| break; |
| default: |
| fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); |
| exit(1); |
| } |
| } |
| |
| switch (argc - optind) |
| { |
| case 0: |
| break; |
| case 1: |
| dropuser = argv[optind]; |
| break; |
| default: |
| fprintf(stderr, _("%s: too many command-line arguments (first is \"%s\")\n"), |
| progname, argv[optind + 1]); |
| fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); |
| exit(1); |
| } |
| |
| if (dropuser == NULL) |
| dropuser = simple_prompt("Enter name of role to drop: ", 128, true); |
| |
| if (interactive) |
| { |
| printf(_("Role \"%s\" will be permanently removed.\n"), dropuser); |
| if (!yesno_prompt("Are you sure?")) |
| exit(0); |
| } |
| |
| initPQExpBuffer(&sql); |
| appendPQExpBuffer(&sql, "DROP ROLE %s;\n", fmtId(dropuser)); |
| |
| conn = connectDatabase("postgres", host, port, username, prompt_password, progname); |
| |
| if (echo) |
| printf("%s", sql.data); |
| result = PQexec(conn, sql.data); |
| |
| if (PQresultStatus(result) != PGRES_COMMAND_OK) |
| { |
| fprintf(stderr, _("%s: removal of role \"%s\" failed: %s"), |
| progname, dropuser, PQerrorMessage(conn)); |
| PQfinish(conn); |
| exit(1); |
| } |
| |
| PQclear(result); |
| PQfinish(conn); |
| exit(0); |
| } |
| |
| |
| static void |
| help(const char *progname) |
| { |
| printf(_("%s removes a PostgreSQL role.\n\n"), progname); |
| printf(_("Usage:\n")); |
| printf(_(" %s [OPTION]... [ROLENAME]\n"), progname); |
| printf(_("\nOptions:\n")); |
| printf(_(" -e, --echo show the commands being sent to the server\n")); |
| printf(_(" -i, --interactive prompt before deleting anything\n")); |
| printf(_(" --help show this help, then exit\n")); |
| printf(_(" --version output version information, then exit\n")); |
| printf(_("\nConnection options:\n")); |
| printf(_(" -h, --host=HOSTNAME database server host or socket directory\n")); |
| printf(_(" -p, --port=PORT database server port\n")); |
| printf(_(" -U, --username=USERNAME user name to connect as (not the one to drop)\n")); |
| printf(_(" -w, --no-password never prompt for password\n")); |
| printf(_(" -W, --password force password prompt\n")); |
| printf(_("\nReport bugs to <pgsql-bugs@postgresql.org>.\n")); |
| } |