コード例 #1
0
int     main(int argc, char **argv)
{
    int     ch;
    int     fd;
    struct stat st;
    int     junk;
    ARGV   *ext_argv = 0;
    int     param_class = PC_PARAM_MASK_CLASS;
    static const NAME_MASK param_class_table[] = {
	"builtin", PC_PARAM_FLAG_BUILTIN,
	"service", PC_PARAM_FLAG_SERVICE,
	"user", PC_PARAM_FLAG_USER,
	"all", PC_PARAM_MASK_CLASS,
	0,
    };

    /*
     * Fingerprint executables and core dumps.
     */
    MAIL_VERSION_STAMP_ALLOCATE;

    /*
     * Be consistent with file permissions.
     */
    umask(022);

    /*
     * To minimize confusion, make sure that the standard file descriptors
     * are open before opening anything else. XXX Work around for 44BSD where
     * fstat can return EBADF on an open file descriptor.
     */
    for (fd = 0; fd < 3; fd++)
	if (fstat(fd, &st) == -1
	    && (close(fd), open("/dev/null", O_RDWR, 0)) != fd)
	    msg_fatal("open /dev/null: %m");

    /*
     * Set up logging.
     */
    msg_vstream_init(argv[0], VSTREAM_ERR);

    /*
     * Parse JCL.
     */
    while ((ch = GETOPT(argc, argv, "aAbc:C:deEf#hlmMntv")) > 0) {
	switch (ch) {
	case 'a':
	    cmd_mode |= SHOW_SASL_SERV;
	    break;
	case 'A':
	    cmd_mode |= SHOW_SASL_CLNT;
	    break;
	case 'b':
	    if (ext_argv)
		msg_fatal("specify one of -b and -t");
	    ext_argv = argv_alloc(2);
	    argv_add(ext_argv, "bounce", "-SVnexpand_templates", (char *) 0);
	    break;
	case 'c':
	    if (setenv(CONF_ENV_PATH, optarg, 1) < 0)
		msg_fatal("out of memory");
	    break;
	case 'C':
	    param_class = name_mask_opt("-C option", param_class_table,
				    optarg, NAME_MASK_ANY_CASE | NAME_MASK_FATAL);
	    break;
	case 'd':
	    cmd_mode |= SHOW_DEFS;
	    break;
	case 'e':
	    cmd_mode |= EDIT_MAIN;
	    break;
	case 'f':
	    cmd_mode |= FOLD_LINE;
	    break;

	    /*
	     * People, this does not work unless you properly handle default
	     * settings. For example, fast_flush_domains = $relay_domains
	     * must not evaluate to the empty string when relay_domains is
	     * left at its default setting of $mydestination.
	     */
#if 0
	case 'E':
	    cmd_mode |= SHOW_EVAL;
	    break;
#endif
	case '#':
	    cmd_mode = COMMENT_OUT;
	    break;

	case 'h':
	    cmd_mode &= ~SHOW_NAME;
	    break;
	case 'l':
	    cmd_mode |= SHOW_LOCKS;
	    break;
	case 'm':
	    cmd_mode |= SHOW_MAPS;
	    break;
	case 'M':
	    cmd_mode |= SHOW_MASTER;
	    break;
	case 'n':
	    cmd_mode |= SHOW_NONDEF;
	    break;
	case 't':
	    if (ext_argv)
		msg_fatal("specify one of -b and -t");
	    ext_argv = argv_alloc(2);
	    argv_add(ext_argv, "bounce", "-SVndump_templates", (char *) 0);
	    break;
	case 'v':
	    msg_verbose++;
	    break;
	default:
	    msg_fatal("usage: %s [-a (server SASL types)] [-A (client SASL types)] [-b (bounce templates)] [-c config_dir] [-C param_class] [-d (defaults)] [-e (edit)] [-f (fold lines)] [-# (comment-out)] [-h (no names)] [-l (lock types)] [-m (map types)] [-M (master.cf)] [-n (non-defaults)] [-v] [name...]", argv[0]);
	}
    }

    /*
     * Sanity check.
     */
    junk = (cmd_mode & (SHOW_DEFS | SHOW_NONDEF | SHOW_MAPS | SHOW_LOCKS | EDIT_MAIN | SHOW_SASL_SERV | SHOW_SASL_CLNT | COMMENT_OUT | SHOW_MASTER));
    if (junk != 0 && ((junk != SHOW_DEFS && junk != SHOW_NONDEF
	     && junk != SHOW_MAPS && junk != SHOW_LOCKS && junk != EDIT_MAIN
		       && junk != SHOW_SASL_SERV && junk != SHOW_SASL_CLNT
		       && junk != COMMENT_OUT && junk != SHOW_MASTER)
		      || ext_argv != 0))
	msg_fatal("specify one of -a, -A, -b, -d, -e, -#, -l, -m, -M and -n");

    /*
     * Display bounce template information and exit.
     */
    if (ext_argv) {
	if (argv[optind]) {
	    if (argv[optind + 1])
		msg_fatal("options -b and -t require at most one template file");
	    argv_add(ext_argv, "-o",
		     concatenate(VAR_BOUNCE_TMPL, "=",
				 argv[optind], (char *) 0),
		     (char *) 0);
	}
	/* Grr... */
	argv_add(ext_argv, "-o",
		 concatenate(VAR_QUEUE_DIR, "=", ".", (char *) 0),
		 (char *) 0);
	mail_conf_read();
	mail_run_replace(var_daemon_dir, ext_argv->argv);
	/* NOTREACHED */
    }

    /*
     * If showing map types, show them and exit
     */
    if (cmd_mode & SHOW_MAPS) {
	mail_dict_init();
	show_maps();
    }

    /*
     * If showing locking methods, show them and exit
     */
    else if (cmd_mode & SHOW_LOCKS) {
	show_locks();
    }

    /*
     * If showing master.cf entries, show them and exit
     */
    else if (cmd_mode & SHOW_MASTER) {
	read_master(FAIL_ON_OPEN_ERROR);
	show_master(cmd_mode, argv + optind);
    }

    /*
     * If showing SASL plug-in types, show them and exit
     */
    else if (cmd_mode & SHOW_SASL_SERV) {
	show_sasl(SHOW_SASL_SERV);
    } else if (cmd_mode & SHOW_SASL_CLNT) {
	show_sasl(SHOW_SASL_CLNT);
    }

    /*
     * Edit main.cf.
     */
    else if (cmd_mode & (EDIT_MAIN | COMMENT_OUT)) {
	edit_parameters(cmd_mode, argc - optind, argv + optind);
    } else if (cmd_mode == DEF_MODE
	       && argv[optind] && strchr(argv[optind], '=')) {
	edit_parameters(cmd_mode | EDIT_MAIN, argc - optind, argv + optind);
    }

    /*
     * If showing non-default values, read main.cf.
     */
    else {
	if ((cmd_mode & SHOW_DEFS) == 0) {
	    read_parameters();
	    set_parameters();
	}
	register_builtin_parameters();

	/*
	 * Add service-dependent parameters (service names from master.cf)
	 * and user-defined parameters ($name macros in parameter values in
	 * main.cf and master.cf, but only if those names have a name=value
	 * in main.cf or master.cf).
	 */
	read_master(WARN_ON_OPEN_ERROR);
	register_service_parameters();
	if ((cmd_mode & SHOW_DEFS) == 0)
	    register_user_parameters();

	/*
	 * Show the requested values.
	 */
	show_parameters(cmd_mode, param_class, argv + optind);

	/*
	 * Flag unused parameters. This makes no sense with "postconf -d",
	 * because that ignores all the user-specified parameters and
	 * user-specified macro expansions in main.cf.
	 */
	if ((cmd_mode & SHOW_DEFS) == 0) {
	    flag_unused_main_parameters();
	    flag_unused_master_parameters();
	}
    }
    vstream_fflush(VSTREAM_OUT);
    exit(0);
}
コード例 #2
0
ファイル: postconf.c プロジェクト: ystk/debian-postfix
int     main(int argc, char **argv)
{
    int     ch;
    int     fd;
    struct stat st;
    int     junk;
    ARGV   *ext_argv = 0;

    /*
     * Fingerprint executables and core dumps.
     */
    MAIL_VERSION_STAMP_ALLOCATE;

    /*
     * Be consistent with file permissions.
     */
    umask(022);

    /*
     * To minimize confusion, make sure that the standard file descriptors
     * are open before opening anything else. XXX Work around for 44BSD where
     * fstat can return EBADF on an open file descriptor.
     */
    for (fd = 0; fd < 3; fd++)
	if (fstat(fd, &st) == -1
	    && (close(fd), open("/dev/null", O_RDWR, 0)) != fd)
	    msg_fatal("open /dev/null: %m");

    /*
     * Set up logging.
     */
    msg_vstream_init(argv[0], VSTREAM_ERR);

    /*
     * Parse JCL.
     */
    while ((ch = GETOPT(argc, argv, "aAbc:deE#hmlntv")) > 0) {
	switch (ch) {
	case 'a':
	    cmd_mode |= SHOW_SASL_SERV;
	    break;
	case 'A':
	    cmd_mode |= SHOW_SASL_CLNT;
	    break;
	case 'b':
	    if (ext_argv)
		msg_fatal("specify one of -b and -t");
	    ext_argv = argv_alloc(2);
	    argv_add(ext_argv, "bounce", "-SVnexpand_templates", (char *) 0);
	    break;
	case 'c':
	    if (setenv(CONF_ENV_PATH, optarg, 1) < 0)
		msg_fatal("out of memory");
	    break;
	case 'd':
	    cmd_mode |= SHOW_DEFS;
	    break;
	case 'e':
	    cmd_mode |= EDIT_MAIN;
	    break;

	    /*
	     * People, this does not work unless you properly handle default
	     * settings. For example, fast_flush_domains = $relay_domains
	     * must not evaluate to the empty string when relay_domains is
	     * left at its default setting of $mydestination.
	     */
#if 0
	case 'E':
	    cmd_mode |= SHOW_EVAL;
	    break;
#endif
	case '#':
	    cmd_mode = COMMENT_OUT;
	    break;

	case 'h':
	    cmd_mode &= ~SHOW_NAME;
	    break;
	case 'l':
	    cmd_mode |= SHOW_LOCKS;
	    break;
	case 'm':
	    cmd_mode |= SHOW_MAPS;
	    break;
	case 'n':
	    cmd_mode |= SHOW_NONDEF;
	    break;
	case 't':
	    if (ext_argv)
		msg_fatal("specify one of -b and -t");
	    ext_argv = argv_alloc(2);
	    argv_add(ext_argv, "bounce", "-SVndump_templates", (char *) 0);
	    break;
	case 'v':
	    msg_verbose++;
	    break;
	default:
	    msg_fatal("usage: %s [-a (server SASL types)] [-A (client SASL types)] [-b (bounce templates)] [-c config_dir] [-d (defaults)] [-e (edit)] [-# (comment-out)] [-h (no names)] [-l (lock types)] [-m (map types)] [-n (non-defaults)] [-v] [name...]", argv[0]);
	}
    }

    /*
     * Sanity check.
     */
    junk = (cmd_mode & (SHOW_DEFS | SHOW_NONDEF | SHOW_MAPS | SHOW_LOCKS | EDIT_MAIN | SHOW_SASL_SERV | SHOW_SASL_CLNT | COMMENT_OUT));
    if (junk != 0 && ((junk != SHOW_DEFS && junk != SHOW_NONDEF
	     && junk != SHOW_MAPS && junk != SHOW_LOCKS && junk != EDIT_MAIN
		       && junk != SHOW_SASL_SERV && junk != SHOW_SASL_CLNT
		       && junk != COMMENT_OUT)
		      || ext_argv != 0))
	msg_fatal("specify one of -a, -A, -b, -d, -e, -#, -m, -l and -n");

    /*
     * Display bounce template information and exit.
     */
    if (ext_argv) {
	if (argv[optind]) {
	    if (argv[optind + 1])
		msg_fatal("options -b and -t require at most one template file");
	    argv_add(ext_argv, "-o",
		     concatenate(VAR_BOUNCE_TMPL, "=",
				 argv[optind], (char *) 0),
		     (char *) 0);
	}
	/* Grr... */
	argv_add(ext_argv, "-o",
		 concatenate(VAR_QUEUE_DIR, "=", ".", (char *) 0),
		 (char *) 0);
	mail_conf_read();
	mail_run_replace(var_daemon_dir, ext_argv->argv);
	/* NOTREACHED */
    }

    /*
     * If showing map types, show them and exit
     */
    if (cmd_mode & SHOW_MAPS) {
	mail_dict_init();
	show_maps();
    }

    /*
     * If showing locking methods, show them and exit
     */
    else if (cmd_mode & SHOW_LOCKS) {
	show_locks();
    }

    /*
     * If showing SASL plug-in types, show them and exit
     */
    else if (cmd_mode & SHOW_SASL_SERV) {
	show_sasl(SHOW_SASL_SERV);
    } else if (cmd_mode & SHOW_SASL_CLNT) {
	show_sasl(SHOW_SASL_CLNT);
    }

    /*
     * Edit main.cf.
     */
    else if (cmd_mode & (EDIT_MAIN | COMMENT_OUT)) {
	edit_parameters(cmd_mode, argc - optind, argv + optind);
    }

    /*
     * If showing non-default values, read main.cf.
     */
    else {
	if ((cmd_mode & SHOW_DEFS) == 0) {
	    read_parameters();
	    set_parameters();
	}

	/*
	 * Throw together all parameters and show the asked values.
	 */
	hash_parameters();
	show_parameters(cmd_mode, argv + optind);
    }
    vstream_fflush(VSTREAM_OUT);
    exit(0);
}