2 /* EFI signature/key/certificate list parser
15  * parse_efi_signature_list - Parse an EFI signature list for certificates
21  * Parse an EFI signature list looking for elements of interest.  A list is
32  * Error EBADMSG is returned if the list doesn't parse correctly and 0 is
33  * returned if the list was parsed correctly.  No error can be returned from
49 		efi_signature_list_t list;  in parse_efi_signature_list()  local
52 		if (size < sizeof(list))  in parse_efi_signature_list()
55 		memcpy(&list, data, sizeof(list));  in parse_efi_signature_list()
56 		pr_devel("LIST[%04x] guid=%pUl ls=%x hs=%x ss=%x\n",  in parse_efi_signature_list()
58 			 &list.signature_type, list.signature_list_size,  in parse_efi_signature_list()
59 			 list.signature_header_size, list.signature_size);  in parse_efi_signature_list()
61 		lsize = list.signature_list_size;  in parse_efi_signature_list()
62 		hsize = list.signature_header_size;  in parse_efi_signature_list()
63 		esize = list.signature_size;  in parse_efi_signature_list()
64 		elsize = lsize - sizeof(list) - hsize;  in parse_efi_signature_list()
72 		if (lsize < sizeof(list) ||  in parse_efi_signature_list()
73 		    lsize - sizeof(list) < hsize ||  in parse_efi_signature_list()
81 		handler = get_handler_for_guid(&list.signature_type);  in parse_efi_signature_list()
89 		data += sizeof(list) + hsize;  in parse_efi_signature_list()
90 		size -= sizeof(list) + hsize;  in parse_efi_signature_list()
91 		offs += sizeof(list) + hsize;  in parse_efi_signature_list()