C++ (Cpp) parse_skip Examples

Example #1

File: radius_pdu.c Project: sivirk/kannel

RADIUS_PDU *radius_pdu_unpack(Octstr *data_without_len)
{
    RADIUS_PDU *pdu;
    int type, ident;
    long len, pos;
    ParseContext *context;
    Octstr *authenticator; 

    len = octstr_len(data_without_len);

    if (len < 20) {
        error(0, "RADIUS: PDU was too short (%ld bytes).",
              octstr_len(data_without_len));
        return NULL;
    }

    context = parse_context_create(data_without_len);

    type = parse_get_char(context);
    ident = parse_get_char(context);
    pdu = radius_pdu_create(type, NULL);
    if (pdu == NULL)
        return NULL;

    len = decode_integer(data_without_len, 2, 2) - 19;
    parse_skip(context, 2);
    debug("radius", 0, "RADIUS: Attributes len is %ld", len);

    authenticator = parse_get_octets(context, 16);
    octstr_dump_short(authenticator, 0, "RADIUS: Authenticator (md5) is:");

    /* skipping back to context start for macro magic */
    parse_context_destroy(context);
    context = parse_context_create(data_without_len);

    switch (type) {
    #define INTEGER(name, octets) \
        pos = octstr_len(data_without_len) - parse_octets_left(context); \
    	p->name = decode_integer(data_without_len, pos, octets); \
        parse_skip(context, octets);
    #define OCTETS(name, field_giving_octets) \
        p->name = parse_get_octets(context, field_giving_octets); 
    #define PDU(name, id, fields) \
    	case id: { struct name *p = &pdu->u.name; fields; \
                   radius_attr_unpack(&context, &pdu); } break;
    #include "radius_pdu.def"
    default:
    	error(0, "Unknown RADIUS_PDU type, internal error while unpacking.");
    }

    parse_context_destroy(context);
    octstr_destroy(authenticator);

    return pdu;
}

Example #2

File: idncheck.c Project: openpeer/idnkit

/*
 * Parse command line arguments.
 */
static int
parse_command_line(int ac, char **av, idncheck_option_t *option) {
	ac--;
	av++;
	while (ac > 0 && **av == '-') {
		if (strcmp(*av, "--") == 0) {
			ac--;
			av++;
			break;
		} else if (strcmp(*av, "-in") == 0 ||
		    strcmp(*av, "-i") == 0) {
			if (ac < 2) {
				errormsg("option '%s' requires an argument.\n", *av);
				return (0);
			}
			option->in_code = av[1];
			ac--;
			av++;
		} else if (strcmp(*av, "-conf") == 0 ||
			   strcmp(*av, "-c") == 0) {
			if (ac < 2) {
				errormsg("option '%s' requires an argument.\n", *av);
				return (0);
			}
			option->conf_file = av[1];
			ac--;
			av++;
		} else if (strcmp(*av, "-noconf") == 0 ||
			   strcmp(*av, "-C") == 0) {
			option->no_conf = 1;
		} else if (strcmp(*av, "-registration") == 0 ||
			   strcmp(*av, "-g") == 0) {
			option->protocol = idncheck_registration;
		} else if (strcmp(*av, "-lookup") == 0 ||
			   strcmp(*av, "-l") == 0) {
			option->protocol = idncheck_lookup;
		} else if (strcmp(*av, "-nomap") == 0 ||
			   strcmp(*av, "-M") == 0) {
			if (!parse_skip("map", &option->skip_actions))
				return (0);
		} else if (strcmp(*av, "-skip") == 0) {
			if (ac < 2) {
				errormsg("option '%s' requires an argument.\n", *av);
				return (0);
			}
			if (!parse_skip(av[1], &option->skip_actions)) {
				errormsg("invalid argument to option '-skip'.\n", *av);
				return (0);
			}
			ac--;
			av++;
		} else if (strcmp(*av, "-localcheck") == 0 ||
			   strcmp(*av, "-e") == 0) {
			if (ac < 2) {
				errormsg("option '%s' requires an argument.\n", *av);
				return (0);
			}
			option->localcheck_file = av[1];
			ac--;
			av++;
		} else if (strcmp(*av, "-quiet") == 0 ||
			   strcmp(*av, "-q") == 0) {
			option->quiet = 1;
		} else if (strcmp(*av, "-test") == 0 ||
			   strcmp(*av, "-t") == 0) {
			option->test = 1;
		} else if (strcmp(*av, "-version") == 0 ||
			   strcmp(*av, "-v") == 0) {
			print_version();
			exit(IDNCHECK_EXITCODE_SUCCESS);
		} else if (strcmp(*av, "-help") == 0 ||
			   strcmp(*av, "-h") == 0) {
			print_usage();
			exit(IDNCHECK_EXITCODE_SUCCESS);
		} else {
			errormsg("unrecognized option '%s'.\n", *av);
			return (0);
		}
		ac--;
		av++;
	}

	if (option->test) {
		option->name = "";
	} else if (ac > 1) {
		errormsg("too many arguments.\n");
		return (0);
	} else if (ac < 1) {
		errormsg("too few argument.\n");
		return (0);
	} else {
		option->name = av[0];
	}

	/*
	 * Resolve conflicts between options.
	 */
	if (option->no_conf && option->conf_file != NULL)
		option->conf_file = NULL;

	return (1);
}