示例#1
0
/*
 *
 * main
 *
 */
int
main(int argc, char *argv[])
{
    struct adhoc_opts options;
    int			successResult;
    char	   *password = NULL;
    char	   *password_prompt = NULL;
    bool		new_pass;

    set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("psql"));

    if (argc > 1)
    {
        if ((strcmp(argv[1], "-?") == 0) || (argc == 2 && (strcmp(argv[1], "--help") == 0)))
        {
            usage(NOPAGER);
            exit(EXIT_SUCCESS);
        }
        if (strcmp(argv[1], "--version") == 0 || strcmp(argv[1], "-V") == 0)
        {
            showVersion();
            exit(EXIT_SUCCESS);
        }
    }

#ifdef WIN32
    setvbuf(stderr, NULL, _IONBF, 0);
#endif

    pset.progname = get_progname(argv[0]);

    pset.db = NULL;
    setDecimalLocale();
    pset.encoding = PQenv2encoding();
    pset.queryFout = stdout;
    pset.queryFoutPipe = false;
    pset.copyStream = NULL;
    pset.cur_cmd_source = stdin;
    pset.cur_cmd_interactive = false;

    /* We rely on unmentioned fields of pset.popt to start out 0/false/NULL */
    pset.popt.topt.format = PRINT_ALIGNED;
    pset.popt.topt.border = 1;
    pset.popt.topt.pager = 1;
    pset.popt.topt.pager_min_lines = 0;
    pset.popt.topt.start_table = true;
    pset.popt.topt.stop_table = true;
    pset.popt.topt.default_footer = true;

    pset.popt.topt.unicode_border_linestyle = UNICODE_LINESTYLE_SINGLE;
    pset.popt.topt.unicode_column_linestyle = UNICODE_LINESTYLE_SINGLE;
    pset.popt.topt.unicode_header_linestyle = UNICODE_LINESTYLE_SINGLE;

    refresh_utf8format(&(pset.popt.topt));

    /* We must get COLUMNS here before readline() sets it */
    pset.popt.topt.env_columns = getenv("COLUMNS") ? atoi(getenv("COLUMNS")) : 0;

    pset.notty = (!isatty(fileno(stdin)) || !isatty(fileno(stdout)));

    pset.getPassword = TRI_DEFAULT;

    EstablishVariableSpace();

    SetVariable(pset.vars, "VERSION", PG_VERSION_STR);

    /* Default values for variables */
    SetVariableBool(pset.vars, "AUTOCOMMIT");
    SetVariable(pset.vars, "VERBOSITY", "default");
    SetVariable(pset.vars, "SHOW_CONTEXT", "errors");
    SetVariable(pset.vars, "PROMPT1", DEFAULT_PROMPT1);
    SetVariable(pset.vars, "PROMPT2", DEFAULT_PROMPT2);
    SetVariable(pset.vars, "PROMPT3", DEFAULT_PROMPT3);

    parse_psql_options(argc, argv, &options);

    /*
     * If no action was specified and we're in non-interactive mode, treat it
     * as if the user had specified "-f -".  This lets single-transaction mode
     * work in this case.
     */
    if (options.action == ACT_NOTHING && pset.notty)
    {
        options.action = ACT_FILE;
        options.action_string = NULL;
    }

    /* Bail out if -1 was specified but will be ignored. */
    if (options.single_txn && options.action != ACT_FILE && options.action == ACT_NOTHING)
    {
        fprintf(stderr, _("%s: -1 can only be used in non-interactive mode\n"), pset.progname);
        exit(EXIT_FAILURE);
    }

    if (!pset.popt.topt.fieldSep.separator &&
            !pset.popt.topt.fieldSep.separator_zero)
    {
        pset.popt.topt.fieldSep.separator = pg_strdup(DEFAULT_FIELD_SEP);
        pset.popt.topt.fieldSep.separator_zero = false;
    }
    if (!pset.popt.topt.recordSep.separator &&
            !pset.popt.topt.recordSep.separator_zero)
    {
        pset.popt.topt.recordSep.separator = pg_strdup(DEFAULT_RECORD_SEP);
        pset.popt.topt.recordSep.separator_zero = false;
    }

    if (options.username == NULL)
        password_prompt = pg_strdup(_("Password: "******"Password for user %s: "),
                                   options.username);

    if (pset.getPassword == TRI_YES)
        password = simple_prompt(password_prompt, 100, false);

    /* loop until we have a password if requested by backend */
    do
    {
#define PARAMS_ARRAY_SIZE	8
        const char **keywords = pg_malloc(PARAMS_ARRAY_SIZE * sizeof(*keywords));
        const char **values = pg_malloc(PARAMS_ARRAY_SIZE * sizeof(*values));

        keywords[0] = "host";
        values[0] = options.host;
        keywords[1] = "port";
        values[1] = options.port;
        keywords[2] = "user";
        values[2] = options.username;
        keywords[3] = "password";
        values[3] = password;
        keywords[4] = "dbname";
        values[4] = (options.action == ACT_LIST_DB &&
                     options.dbname == NULL) ?
                    "postgres" : options.dbname;
        keywords[5] = "fallback_application_name";
        values[5] = pset.progname;
        keywords[6] = "client_encoding";
        values[6] = (pset.notty || getenv("PGCLIENTENCODING")) ? NULL : "auto";
        keywords[7] = NULL;
        values[7] = NULL;

        new_pass = false;
        pset.db = PQconnectdbParams(keywords, values, true);
        free(keywords);
        free(values);

        if (PQstatus(pset.db) == CONNECTION_BAD &&
                PQconnectionNeedsPassword(pset.db) &&
                password == NULL &&
                pset.getPassword != TRI_NO)
        {
            PQfinish(pset.db);
            password = simple_prompt(password_prompt, 100, false);
            new_pass = true;
        }
    } while (new_pass);

    free(password);
    free(password_prompt);

    if (PQstatus(pset.db) == CONNECTION_BAD)
    {
        fprintf(stderr, "%s: %s", pset.progname, PQerrorMessage(pset.db));
        PQfinish(pset.db);
        exit(EXIT_BADCONN);
    }

    setup_cancel_handler();

    PQsetNoticeProcessor(pset.db, NoticeProcessor, NULL);

    SyncVariables();

    if (options.action == ACT_LIST_DB)
    {
        int			success;

        if (!options.no_psqlrc)
            process_psqlrc(argv[0]);

        success = listAllDbs(NULL, false);
        PQfinish(pset.db);
        exit(success ? EXIT_SUCCESS : EXIT_FAILURE);
    }

    if (options.logfilename)
    {
        pset.logfile = fopen(options.logfilename, "a");
        if (!pset.logfile)
            fprintf(stderr, _("%s: could not open log file \"%s\": %s\n"),
                    pset.progname, options.logfilename, strerror(errno));
    }

    /*
     * Now find something to do
     */

    /*
     * process file given by -f
     */
    if (options.action == ACT_FILE)
    {
        if (!options.no_psqlrc)
            process_psqlrc(argv[0]);

        successResult = process_file(options.action_string, options.single_txn, false);
    }

    /*
     * process slash command if one was given to -c
     */
    else if (options.action == ACT_SINGLE_SLASH)
    {
        PsqlScanState scan_state;

        if (pset.echo == PSQL_ECHO_ALL)
            puts(options.action_string);

        scan_state = psql_scan_create();
        psql_scan_setup(scan_state,
                        options.action_string,
                        strlen(options.action_string));

        successResult = HandleSlashCmds(scan_state, NULL) != PSQL_CMD_ERROR
                        ? EXIT_SUCCESS : EXIT_FAILURE;

        psql_scan_destroy(scan_state);
    }

    /*
     * If the query given to -c was a normal one, send it
     */
    else if (options.action == ACT_SINGLE_QUERY)
    {
        if (pset.echo == PSQL_ECHO_ALL)
            puts(options.action_string);

        successResult = SendQuery(options.action_string)
                        ? EXIT_SUCCESS : EXIT_FAILURE;
    }

    /*
     * or otherwise enter interactive main loop
     */
    else
    {
        if (!options.no_psqlrc)
            process_psqlrc(argv[0]);

        connection_warnings(true);
        if (!pset.quiet)
            printf(_("Type \"help\" for help.\n\n"));
        initializeInput(options.no_readline ? 0 : 1);
        successResult = MainLoop(stdin);
    }

    /* clean up */
    if (pset.logfile)
        fclose(pset.logfile);
    PQfinish(pset.db);
    setQFout(NULL);

    return successResult;
}
示例#2
0
/*
 *
 * main
 *
 */
int
main(int argc, char *argv[])
{
	struct adhoc_opts options;
	int			successResult;
	char	   *password = NULL;
	char	   *password_prompt = NULL;
	bool		new_pass;

	set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("psql"));

	if (argc > 1)
	{
		if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0)
		{
			usage();
			exit(EXIT_SUCCESS);
		}
		if (strcmp(argv[1], "--version") == 0 || strcmp(argv[1], "-V") == 0)
		{
			showVersion();
			exit(EXIT_SUCCESS);
		}
	}

#ifdef WIN32
	setvbuf(stderr, NULL, _IONBF, 0);
#endif

	setup_cancel_handler();

	pset.progname = get_progname(argv[0]);

	pset.db = NULL;
	setDecimalLocale();
	pset.encoding = PQenv2encoding();
	pset.queryFout = stdout;
	pset.queryFoutPipe = false;
	pset.cur_cmd_source = stdin;
	pset.cur_cmd_interactive = false;

	/* We rely on unmentioned fields of pset.popt to start out 0/false/NULL */
	pset.popt.topt.format = PRINT_ALIGNED;
	pset.popt.topt.border = 1;
	pset.popt.topt.pager = 1;
	pset.popt.topt.start_table = true;
	pset.popt.topt.stop_table = true;
	pset.popt.default_footer = true;
	/* We must get COLUMNS here before readline() sets it */
	pset.popt.topt.env_columns = getenv("COLUMNS") ? atoi(getenv("COLUMNS")) : 0;

	pset.notty = (!isatty(fileno(stdin)) || !isatty(fileno(stdout)));

	pset.getPassword = TRI_DEFAULT;

	EstablishVariableSpace();

	SetVariable(pset.vars, "VERSION", PG_VERSION_STR);

	/* Default values for variables */
	SetVariableBool(pset.vars, "AUTOCOMMIT");
	SetVariable(pset.vars, "VERBOSITY", "default");
	SetVariable(pset.vars, "PROMPT1", DEFAULT_PROMPT1);
	SetVariable(pset.vars, "PROMPT2", DEFAULT_PROMPT2);
	SetVariable(pset.vars, "PROMPT3", DEFAULT_PROMPT3);

	parse_psql_options(argc, argv, &options);

	if (!pset.popt.topt.fieldSep)
		pset.popt.topt.fieldSep = pg_strdup(DEFAULT_FIELD_SEP);
	if (!pset.popt.topt.recordSep)
		pset.popt.topt.recordSep = pg_strdup(DEFAULT_RECORD_SEP);

	if (options.username == NULL)
		password_prompt = pg_strdup(_("Password: "******"Password for user %s: ")) - 2 +
								 strlen(options.username) + 1);
		sprintf(password_prompt, _("Password for user %s: "),
				options.username);
	}

	if (pset.getPassword == TRI_YES)
		password = simple_prompt(password_prompt, 100, false);

	/* loop until we have a password if requested by backend */
	do
	{
		new_pass = false;
		pset.db = PQsetdbLogin(options.host, options.port, NULL, NULL,
					options.action == ACT_LIST_DB && options.dbname == NULL ?
							   "postgres" : options.dbname,
							   options.username, password);

		if (PQstatus(pset.db) == CONNECTION_BAD &&
			PQconnectionNeedsPassword(pset.db) &&
			password == NULL &&
			pset.getPassword != TRI_NO)
		{
			PQfinish(pset.db);
			password = simple_prompt(password_prompt, 100, false);
			new_pass = true;
		}
	} while (new_pass);

	free(password);
	free(password_prompt);

	if (PQstatus(pset.db) == CONNECTION_BAD)
	{
		fprintf(stderr, "%s: %s", pset.progname, PQerrorMessage(pset.db));
		PQfinish(pset.db);
		exit(EXIT_BADCONN);
	}

	PQsetNoticeProcessor(pset.db, NoticeProcessor, NULL);

	SyncVariables();

	if (options.action == ACT_LIST_DB)
	{
		int			success = listAllDbs(false);

		PQfinish(pset.db);
		exit(success ? EXIT_SUCCESS : EXIT_FAILURE);
	}

	if (options.logfilename)
	{
		pset.logfile = fopen(options.logfilename, "a");
		if (!pset.logfile)
			fprintf(stderr, _("%s: could not open log file \"%s\": %s\n"),
					pset.progname, options.logfilename, strerror(errno));
	}

	/*
	 * Now find something to do
	 */

	/*
	 * process file given by -f
	 */
	if (options.action == ACT_FILE && strcmp(options.action_string, "-") != 0)
	{
		if (!options.no_psqlrc)
			process_psqlrc(argv[0]);

		successResult = process_file(options.action_string, options.single_txn);
	}

	/*
	 * process slash command if one was given to -c
	 */
	else if (options.action == ACT_SINGLE_SLASH)
	{
		PsqlScanState scan_state;

		if (pset.echo == PSQL_ECHO_ALL)
			puts(options.action_string);

		scan_state = psql_scan_create();
		psql_scan_setup(scan_state,
						options.action_string,
						strlen(options.action_string));

		successResult = HandleSlashCmds(scan_state, NULL) != PSQL_CMD_ERROR
			? EXIT_SUCCESS : EXIT_FAILURE;

		psql_scan_destroy(scan_state);
	}

	/*
	 * If the query given to -c was a normal one, send it
	 */
	else if (options.action == ACT_SINGLE_QUERY)
	{
		if (pset.echo == PSQL_ECHO_ALL)
			puts(options.action_string);

		successResult = SendQuery(options.action_string)
			? EXIT_SUCCESS : EXIT_FAILURE;
	}

	/*
	 * or otherwise enter interactive main loop
	 */
	else
	{
		if (!options.no_psqlrc)
			process_psqlrc(argv[0]);

		connection_warnings();
		if (!pset.quiet && !pset.notty)
			printf(_("Type \"help\" for help.\n\n"));
		if (!pset.notty)
			initializeInput(options.no_readline ? 0 : 1);
		if (options.action_string)		/* -f - was used */
			pset.inputfile = "<stdin>";

		successResult = MainLoop(stdin);
	}

	/* clean up */
	if (pset.logfile)
		fclose(pset.logfile);
	PQfinish(pset.db);
	setQFout(NULL);

	return successResult;
}