sfxge/common/ef10_image.c

71 	__inout		efx_asn1_cursor_t	*cursor,
76 	if (cursor == NULL || cursor->buffer == NULL || cursor->length < 2) {
81 	cursor->tag = cursor->buffer[0];
82 	if (cursor->tag != tag) {
88 	if ((cursor->tag & 0x1F) == 0x1F) {
94 	if ((cursor->buffer[1] & 0x80) == 0) {
96 		cursor->hdr_size = 2;
97 		cursor->val_size = cursor->buffer[1];
100 		uint32_t nbytes = cursor->buffer[1] & 0x7F;
108 		if (2 + nbytes > cursor->length) {
118 		cursor->hdr_size = 2 + nbytes;
119 		cursor->val_size = 0;
120 		for (offset = 2; offset < cursor->hdr_size; offset++) {
121 			cursor->val_size =
122 			    (cursor->val_size << 8) | cursor->buffer[offset];
126 	if ((cursor->hdr_size + cursor->val_size) > cursor->length) {
155 	__inout		efx_asn1_cursor_t	*cursor,
160 	if (cursor == NULL) {
170 	rc = efx_asn1_parse_header_match_tag(cursor, tag);
176 	/* Limit cursor range to nested TLV */
177 	cursor->buffer += cursor->hdr_size;
178 	cursor->length = cursor->val_size;
194  * Advance cursor to next TLV on a successful match.
198 	__inout		efx_asn1_cursor_t	*cursor,
205 	if (cursor == NULL) {
209 	rc = efx_asn1_parse_header_match_tag(cursor, tag);
214 	if (cursor->val_size != val_size) {
219 	if (memcmp(cursor->buffer + cursor->hdr_size, valp, val_size) != 0) {
224 	cursor->buffer += cursor->hdr_size + cursor->val_size;
225 	cursor->length -= cursor->hdr_size + cursor->val_size;
241 /* Advance cursor to next TLV */
244 	__inout		efx_asn1_cursor_t	*cursor,
249 	if (cursor == NULL) {
254 	rc = efx_asn1_parse_header_match_tag(cursor, tag);
259 	cursor->buffer += cursor->hdr_size + cursor->val_size;
260 	cursor->length -= cursor->hdr_size + cursor->val_size;
275 	__inout		efx_asn1_cursor_t	*cursor,
282 	if (cursor == NULL || valp == NULL || val_sizep == NULL) {
287 	rc = efx_asn1_parse_header_match_tag(cursor, tag);
292 	*valp = cursor->buffer + cursor->hdr_size;
293 	*val_sizep = cursor->val_size;
334 	efx_asn1_cursor_t cursor;
343 	cursor.buffer = (uint8_t *)bufferp;
344 	cursor.length = buffer_size;
347 	rc = efx_asn1_enter_tag(&cursor, ASN1_TAG_SEQUENCE);
352 	rc = efx_asn1_match_tag_value(&cursor, ASN1_TAG_OBJ_ID,
358 	rc = efx_asn1_enter_tag(&cursor, ASN1_TAG_CONS_CONTEXT(0));
363 	rc = efx_asn1_enter_tag(&cursor, ASN1_TAG_SEQUENCE);
368 	rc = efx_asn1_match_tag_value(&cursor, ASN1_TAG_INTEGER,
374 	rc = efx_asn1_skip_tag(&cursor, ASN1_TAG_SET);
379 	rc = efx_asn1_enter_tag(&cursor, ASN1_TAG_SEQUENCE);
384 	rc = efx_asn1_match_tag_value(&cursor, ASN1_TAG_OBJ_ID,
390 	rc = efx_asn1_enter_tag(&cursor, ASN1_TAG_CONS_CONTEXT(0));
400 	rc = efx_asn1_get_tag_value(&cursor, ASN1_TAG_OCTET_STRING,