59 asn_get_header(struct asn_buf *b, u_char *type, asn_len_t *len)  in asn_get_header()  argument
63 	if (b->asn_len == 0) {  in asn_get_header()
64 		asn_error(b, "no identifier for header");  in asn_get_header()
67 	*type = *b->asn_cptr;  in asn_get_header()
69 		asn_error(b, "tags > 0x1e not supported (%#x)",  in asn_get_header()
73 	b->asn_cptr++;  in asn_get_header()
74 	b->asn_len--;  in asn_get_header()
75 	if (b->asn_len == 0) {  in asn_get_header()
76 		asn_error(b, "no length field");  in asn_get_header()
79 	if (*b->asn_cptr & 0x80) {  in asn_get_header()
80 		length = *b->asn_cptr++ & 0x7f;  in asn_get_header()
81 		b->asn_len--;  in asn_get_header()
83 			asn_error(b, "indefinite length not supported");  in asn_get_header()
87 			asn_error(b, "long length too long (%u)", length);  in asn_get_header()
90 		if (length > b->asn_len) {  in asn_get_header()
91 			asn_error(b, "long length truncated");  in asn_get_header()
96 			*len = (*len << 8) | *b->asn_cptr++;  in asn_get_header()
97 			b->asn_len--;  in asn_get_header()
100 		*len = *b->asn_cptr++;  in asn_get_header()
101 		b->asn_len--;  in asn_get_header()
111 	if (*len > b->asn_len) {  in asn_get_header()
112 		asn_error(b, "lenen %u exceeding asn_len %u", *len, b->asn_len);  in asn_get_header()
162 asn_put_header(struct asn_buf *b, u_char type, asn_len_t len)  in asn_put_header()  argument
172 	if (b->asn_len == 0)  in asn_put_header()
175 	*b->asn_ptr++ = type;  in asn_put_header()
176 	b->asn_len--;  in asn_put_header()
181 	if (b->asn_len < lenlen)  in asn_put_header()
184 	(void)asn_put_len(b->asn_ptr, len);  in asn_put_header()
185 	b->asn_ptr += lenlen;  in asn_put_header()
186 	b->asn_len -= lenlen;  in asn_put_header()
200 asn_put_temp_header(struct asn_buf *b, u_char type, u_char **ptr)  in asn_put_temp_header()  argument
204 	if (b->asn_len < TEMP_LEN)  in asn_put_temp_header()
206 	*ptr = b->asn_ptr;  in asn_put_temp_header()
207 	if ((ret = asn_put_header(b, type, ASN_MAXLEN)) == ASN_ERR_OK)  in asn_put_temp_header()
208 		assert(b->asn_ptr == *ptr + TEMP_LEN);  in asn_put_temp_header()
212 asn_commit_header(struct asn_buf *b, u_char *ptr, size_t *moved)  in asn_commit_header()  argument
218 	len = b->asn_ptr - (ptr + TEMP_LEN);  in asn_commit_header()
229 		b->asn_ptr -= shift;  in asn_commit_header()
230 		b->asn_len += shift;  in asn_commit_header()
246 asn_get_real_integer(struct asn_buf *b, asn_len_t len, int64_t *vp)  in asn_get_real_integer()  argument
252 	if (b->asn_len < len) {  in asn_get_real_integer()
253 		asn_error(b, "truncated integer");  in asn_get_real_integer()
257 		asn_error(b, "zero-length integer");  in asn_get_real_integer()
263 		asn_error(b, "integer too long");  in asn_get_real_integer()
266 	    ((*b->asn_cptr == 0x00 && (b->asn_cptr[1] & 0x80) == 0) ||  in asn_get_real_integer()
267 	    (*b->asn_cptr == 0xff && (b->asn_cptr[1] & 0x80) == 0x80))) {  in asn_get_real_integer()
268 		asn_error(b, "non-minimal integer");  in asn_get_real_integer()
272 	if (*b->asn_cptr & 0x80)  in asn_get_real_integer()
277 		val |= neg ? (u_char)~*b->asn_cptr : *b->asn_cptr;  in asn_get_real_integer()
278 		b->asn_len--;  in asn_get_real_integer()
279 		b->asn_cptr++;  in asn_get_real_integer()
293 asn_put_real_integer(struct asn_buf *b, u_char type, int64_t ival)  in asn_put_real_integer()  argument
321 	if ((ret = asn_put_header(b, type, OCTETS - i)))  in asn_put_real_integer()
323 	if (OCTETS - (u_int)i > b->asn_len)  in asn_put_real_integer()
327 		*b->asn_ptr++ = buf[i++];  in asn_put_real_integer()
328 		b->asn_len--;  in asn_put_real_integer()
341 asn_get_real_unsigned(struct asn_buf *b, asn_len_t len, uint64_t *vp)  in asn_get_real_unsigned()  argument
344 	if (b->asn_len < len) {  in asn_get_real_unsigned()
345 		asn_error(b, "truncated integer");  in asn_get_real_unsigned()
350 		asn_error(b, "zero-length integer");  in asn_get_real_unsigned()
353 	if (len > 1 && *b->asn_cptr == 0x00 && (b->asn_cptr[1] & 0x80) == 0) {  in asn_get_real_unsigned()
355 		asn_error(b, "non-minimal unsigned");  in asn_get_real_unsigned()
356 		b->asn_cptr += len;  in asn_get_real_unsigned()
357 		b->asn_len -= len;  in asn_get_real_unsigned()
364 	if ((*b->asn_cptr & 0x80) || len > 9 ||  in asn_get_real_unsigned()
365 	    (len == 9 && *b->asn_cptr != 0)) {  in asn_get_real_unsigned()
368 		asn_error(b, "unsigned too large or negative");  in asn_get_real_unsigned()
369 		b->asn_cptr += len;  in asn_get_real_unsigned()
370 		b->asn_len -= len;  in asn_get_real_unsigned()
375 		*vp = (*vp << 8) | *b->asn_cptr++;  in asn_get_real_unsigned()
376 		b->asn_len--;  in asn_get_real_unsigned()
386 asn_put_real_unsigned(struct asn_buf *b, u_char type, uint64_t val)  in asn_put_real_unsigned()  argument
402 	if ((ret = asn_put_header(b, type, OCTETS - i)))  in asn_put_real_unsigned()
404 	if (OCTETS - (u_int)i > b->asn_len)  in asn_put_real_unsigned()
408 		*b->asn_ptr++ = buf[i++];  in asn_put_real_unsigned()
409 		b->asn_len--;  in asn_put_real_unsigned()
419 asn_get_integer_raw(struct asn_buf *b, asn_len_t len, int32_t *vp)  in asn_get_integer_raw()  argument
424 	if ((ret = asn_get_real_integer(b, len, &val)) == ASN_ERR_OK) {  in asn_get_integer_raw()
426 			asn_error(b, "integer too long");  in asn_get_integer_raw()
430 			asn_error(b, "integer out of range");  in asn_get_integer_raw()
439 asn_get_integer(struct asn_buf *b, int32_t *vp)  in asn_get_integer()  argument
445 	if ((err = asn_get_header(b, &type, &len)) != ASN_ERR_OK)  in asn_get_integer()
448 		asn_error(b, "bad type for integer (%u)", type);  in asn_get_integer()
452 	return (asn_get_integer_raw(b, len, vp));  in asn_get_integer()
456 asn_put_integer(struct asn_buf *b, int32_t val)  in asn_put_integer()  argument
458 	return (asn_put_real_integer(b, ASN_TYPE_INTEGER, val));  in asn_put_integer()
471 asn_get_octetstring_raw(struct asn_buf *b, asn_len_t len, u_char *octets,  in asn_get_octetstring_raw()  argument
477 		asn_error(b, "octetstring truncated");  in asn_get_octetstring_raw()
480 	if (b->asn_len < len) {  in asn_get_octetstring_raw()
481 		asn_error(b, "truncatet octetstring");  in asn_get_octetstring_raw()
485 		memcpy(octets, b->asn_cptr, *noctets);  in asn_get_octetstring_raw()
487 		memcpy(octets, b->asn_cptr, len);  in asn_get_octetstring_raw()
489 	b->asn_cptr += len;  in asn_get_octetstring_raw()
490 	b->asn_len -= len;  in asn_get_octetstring_raw()
495 asn_get_octetstring(struct asn_buf *b, u_char *octets, u_int *noctets)  in asn_get_octetstring()  argument
501 	if ((err = asn_get_header(b, &type, &len)) != ASN_ERR_OK)  in asn_get_octetstring()
504 		asn_error(b, "bad type for octetstring (%u)", type);  in asn_get_octetstring()
507 	return (asn_get_octetstring_raw(b, len, octets, noctets));  in asn_get_octetstring()
511 asn_put_octetstring(struct asn_buf *b, const u_char *octets, u_int noctets)  in asn_put_octetstring()  argument
515 	if ((ret = asn_put_header(b, ASN_TYPE_OCTETSTRING, noctets)) != ASN_ERR_OK)  in asn_put_octetstring()
517 	if (b->asn_len < noctets)  in asn_put_octetstring()
520 	memcpy(b->asn_ptr, octets, noctets);  in asn_put_octetstring()
521 	b->asn_ptr += noctets;  in asn_put_octetstring()
522 	b->asn_len -= noctets;  in asn_put_octetstring()
532 asn_get_null_raw(struct asn_buf *b, asn_len_t len)  in asn_get_null_raw()  argument
535 		if (b->asn_len < len) {  in asn_get_null_raw()
536 			asn_error(b, "truncated NULL");  in asn_get_null_raw()
539 		asn_error(b, "bad length for NULL (%u)", len);  in asn_get_null_raw()
540 		b->asn_len -= len;  in asn_get_null_raw()
541 		b->asn_ptr += len;  in asn_get_null_raw()
548 asn_get_null(struct asn_buf *b)  in asn_get_null()  argument
554 	if ((err = asn_get_header(b, &type, &len)) != ASN_ERR_OK)  in asn_get_null()
557 		asn_error(b, "bad type for NULL (%u)", type);  in asn_get_null()
560 	return (asn_get_null_raw(b, len));  in asn_get_null()
564 asn_put_null(struct asn_buf *b)  in asn_put_null()  argument
566 	return (asn_put_header(b, ASN_TYPE_NULL, 0));  in asn_put_null()
570 asn_put_exception(struct asn_buf *b, u_int except)  in asn_put_exception()  argument
572 	return (asn_put_header(b, ASN_CLASS_CONTEXT | except, 0));  in asn_put_exception()
581 asn_get_objid_raw(struct asn_buf *b, asn_len_t len, struct asn_oid *oid)  in asn_get_objid_raw()  argument
586 	if (b->asn_len < len) {  in asn_get_objid_raw()
587 		asn_error(b, "truncated OBJID");  in asn_get_objid_raw()
592 		asn_error(b, "short OBJID");  in asn_get_objid_raw()
600 			asn_error(b, "OID too long (%u)", oid->len);  in asn_get_objid_raw()
601 			b->asn_cptr += len;  in asn_get_objid_raw()
602 			b->asn_len -= len;  in asn_get_objid_raw()
608 				asn_error(b, "unterminated subid");  in asn_get_objid_raw()
612 				asn_error(b, "OID subid too larger");  in asn_get_objid_raw()
615 			subid = (subid << 7) | (*b->asn_cptr & 0x7f);  in asn_get_objid_raw()
617 			b->asn_len--;  in asn_get_objid_raw()
618 		} while (*b->asn_cptr++ & 0x80);  in asn_get_objid_raw()
636 asn_get_objid(struct asn_buf *b, struct asn_oid *oid)  in asn_get_objid()  argument
642 	if ((err = asn_get_header(b, &type, &len)) != ASN_ERR_OK)  in asn_get_objid()
645 		asn_error(b, "bad type for OBJID (%u)", type);  in asn_get_objid()
648 	return (asn_get_objid_raw(b, len, oid));  in asn_get_objid()
652 asn_put_objid(struct asn_buf *b, const struct asn_oid *oid)  in asn_put_objid()  argument
702 	if ((err1 = asn_put_header(b, ASN_TYPE_OBJID, len)) != ASN_ERR_OK)  in asn_put_objid()
704 	if (b->asn_len < len)  in asn_put_objid()
710 			*b->asn_ptr++ = sub;  in asn_put_objid()
711 			b->asn_len--;  in asn_put_objid()
713 			*b->asn_ptr++ = (sub >> 7) | 0x80;  in asn_put_objid()
714 			*b->asn_ptr++ = sub & 0x7f;  in asn_put_objid()
715 			b->asn_len -= 2;  in asn_put_objid()
717 			*b->asn_ptr++ = (sub >> 14) | 0x80;  in asn_put_objid()
718 			*b->asn_ptr++ = ((sub >> 7) & 0x7f) | 0x80;  in asn_put_objid()
719 			*b->asn_ptr++ = sub & 0x7f;  in asn_put_objid()
720 			b->asn_len -= 3;  in asn_put_objid()
722 			*b->asn_ptr++ = (sub >> 21) | 0x80;  in asn_put_objid()
723 			*b->asn_ptr++ = ((sub >> 14) & 0x7f) | 0x80;  in asn_put_objid()
724 			*b->asn_ptr++ = ((sub >> 7) & 0x7f) | 0x80;  in asn_put_objid()
725 			*b->asn_ptr++ = sub & 0x7f;  in asn_put_objid()
726 			b->asn_len -= 4;  in asn_put_objid()
728 			*b->asn_ptr++ = (sub >> 28) | 0x80;  in asn_put_objid()
729 			*b->asn_ptr++ = ((sub >> 21) & 0x7f) | 0x80;  in asn_put_objid()
730 			*b->asn_ptr++ = ((sub >> 14) & 0x7f) | 0x80;  in asn_put_objid()
731 			*b->asn_ptr++ = ((sub >> 7) & 0x7f) | 0x80;  in asn_put_objid()
732 			*b->asn_ptr++ = sub & 0x7f;  in asn_put_objid()
733 			b->asn_len -= 5;  in asn_put_objid()
744 asn_get_sequence(struct asn_buf *b, asn_len_t *len)  in asn_get_sequence()  argument
749 	if ((err = asn_get_header(b, &type, len)) != ASN_ERR_OK)  in asn_get_sequence()
752 		asn_error(b, "bad sequence type %u", type);  in asn_get_sequence()
755 	if (*len > b->asn_len) {  in asn_get_sequence()
756 		asn_error(b, "truncated sequence");  in asn_get_sequence()
768 asn_get_ipaddress_raw(struct asn_buf *b, asn_len_t len, u_char *addr)  in asn_get_ipaddress_raw()  argument
772 	if (b->asn_len < len) {  in asn_get_ipaddress_raw()
773 		asn_error(b, "truncated ip-address");  in asn_get_ipaddress_raw()
777 		asn_error(b, "short length for ip-Address %u", len);  in asn_get_ipaddress_raw()
779 			*addr++ = *b->asn_cptr++;  in asn_get_ipaddress_raw()
782 		b->asn_len -= len;  in asn_get_ipaddress_raw()
786 		*addr++ = *b->asn_cptr++;  in asn_get_ipaddress_raw()
787 	b->asn_cptr += len - 4;  in asn_get_ipaddress_raw()
788 	b->asn_len -= len;  in asn_get_ipaddress_raw()
793 asn_get_ipaddress(struct asn_buf *b, u_char *addr)  in asn_get_ipaddress()  argument
799 	if ((err = asn_get_header(b, &type, &len)) != ASN_ERR_OK)  in asn_get_ipaddress()
802 		asn_error(b, "bad type for ip-address %u", type);  in asn_get_ipaddress()
805 	return (asn_get_ipaddress_raw(b, len, addr));  in asn_get_ipaddress()
809 asn_put_ipaddress(struct asn_buf *b, const u_char *addr)  in asn_put_ipaddress()  argument
813 	if ((err = asn_put_header(b, ASN_CLASS_APPLICATION|ASN_APP_IPADDRESS,  in asn_put_ipaddress()
816 	if (b->asn_len < 4)  in asn_put_ipaddress()
819 	memcpy(b->asn_ptr, addr, 4);  in asn_put_ipaddress()
820 	b->asn_ptr += 4;  in asn_put_ipaddress()
821 	b->asn_len -= 4;  in asn_put_ipaddress()
832 asn_get_uint32_raw(struct asn_buf *b, asn_len_t len, uint32_t *vp)  in asn_get_uint32_raw()  argument
837 	if ((err = asn_get_real_unsigned(b, len, &v)) == ASN_ERR_OK) {  in asn_get_uint32_raw()
839 			asn_error(b, "uint32 too large %llu", v);  in asn_get_uint32_raw()
848 asn_put_uint32(struct asn_buf *b, u_char type, uint32_t val)  in asn_put_uint32()  argument
852 	return (asn_put_real_unsigned(b, ASN_CLASS_APPLICATION|type, v));  in asn_put_uint32()
860 asn_get_counter64_raw(struct asn_buf *b, asn_len_t len, uint64_t *vp)  in asn_get_counter64_raw()  argument
862 	return (asn_get_real_unsigned(b, len, vp));  in asn_get_counter64_raw()
866 asn_put_counter64(struct asn_buf *b, uint64_t val)  in asn_put_counter64()  argument
868 	return (asn_put_real_unsigned(b,  in asn_put_counter64()
877 asn_get_timeticks(struct asn_buf *b, uint32_t *vp)  in asn_get_timeticks()  argument
883 	if ((err = asn_get_header(b, &type, &len)) != ASN_ERR_OK)  in asn_get_timeticks()
886 		asn_error(b, "bad type for timeticks %u", type);  in asn_get_timeticks()
889 	return (asn_get_uint32_raw(b, len, vp));  in asn_get_timeticks()
893 asn_put_timeticks(struct asn_buf *b, uint32_t val)  in asn_put_timeticks()  argument
897 	return (asn_put_real_unsigned(b,  in asn_put_timeticks()
931 asn_skip(struct asn_buf *b, asn_len_t len)  in asn_skip()  argument
933 	if (b->asn_len < len)  in asn_skip()
935 	b->asn_cptr += len;  in asn_skip()
936 	b->asn_len -= len;  in asn_skip()
944 asn_pad(struct asn_buf *b, asn_len_t len)  in asn_pad()  argument
946 	if (b->asn_len < len)  in asn_pad()
948 	b->asn_ptr += len;  in asn_pad()
949 	b->asn_len -= len;  in asn_pad()
1029 asn_error_func(const struct asn_buf *b, const char *err, ...)  in asn_error_func()  argument
1039 	if (b != NULL) {  in asn_error_func()
1041 		for (i = 0; b->asn_len > i; i++)  in asn_error_func()
1042 			fprintf(stderr, " %02x", b->asn_cptr[i]);  in asn_error_func()