Function parse_whitelist

modules/compression/compression_helpers.c:142–211

* Function that parses whitelist string */

 * Function that parses whitelist string
 */
int parse_whitelist(str* param, mc_whitelist_p* wh_list_p, unsigned char* def_hdrs_mask)
{
	mc_whitelist_p wh_list;
	char *sparam, *sparam_end;
	str hdr_name;
	int new_hdr = 1, eoh=0;

	wh_list = pkg_malloc(sizeof(mc_whitelist_t));
	if (!wh_list) {
		LM_ERR("no more pkg mem\n");
		return -1;
	}
	memset(wh_list, 0, sizeof (*wh_list));

	if (def_hdrs_mask)
		memcpy(wh_list->hdr_mask, def_hdrs_mask, HDR_MASK_SIZE);

	if (param == NULL)
		goto end;

	sparam_end = param->s + param->len;
	for (sparam = param->s ; sparam != sparam_end; sparam++) {
		switch (*sparam) {
			case ' ' :
			case ';' :
			case HDR_DELIM :
				/* The first charcter after header name have
				have to be ':' for parse_hname2 */
				if (eoh) {
					eoh = 0;
					if (search_hdr(wh_list, &hdr_name)) {
						LM_ERR("cannot find given header [%.*s]\n",
								hdr_name.len, hdr_name.s);
						return -1;
					}
				}

				if (*sparam == ' ' || *sparam == ';')
					break;

				/* A new header name was found if ','*/
				new_hdr = 1;

				break;
			default :
				/* found the first char in header name */
				if (new_hdr) {
					new_hdr = 0;
					hdr_name.len  	= 1;
					hdr_name.s  	= sparam;
					eoh = 1;
				} else {
					hdr_name.len++;
				}
				break;
		}
	}