gssapi/krb5/cfx.c

162  * Rotate "rrc" bytes to the front or back
166 rrc_rotate(void *data, size_t len, uint16_t rrc, krb5_boolean unrotate)
174     rrc %= len;
176     if (rrc == 0)
179     left = len - rrc;
181     if (rrc <= sizeof(buf)) {
184 	tmp = malloc(rrc);
190 	memcpy(tmp, data, rrc);
191 	memmove(data, (u_char *)data + rrc, left);
192 	memcpy((u_char *)data + left, tmp, rrc);
194 	memcpy(tmp, (u_char *)data + left, rrc);
195 	memmove((u_char *)data + rrc, data, left);
196 	memcpy(data, tmp, rrc);
199     if (rrc > sizeof(buf))
289     size_t rrc = 0, ec = 0;
391 	rrc = gsstsize;
393 	    rrc -= ec;
563 	if (rrc) {
564 	    token->RRC[0] = (rrc >> 8) & 0xFF;
565 	    token->RRC[1] = (rrc >> 0) & 0xFF;
616 	if (rrc) {
617 	    token->RRC[0] = (rrc >> 8) & 0xFF;
618 	    token->RRC[1] = (rrc >> 0) & 0xFF;
645 unrotate_iov(OM_uint32 *minor_status, size_t rrc, gss_iov_buffer_desc *iov, int iov_count)
678     q = p + rrc;
679     skip = rrc;
696     skip = rrc;
729     uint16_t ec, rrc;
786     rrc = (token->RRC[0] << 8) | token->RRC[1];
838 	    if (rrc != gsstsize) {
858 	} else if (rrc != 0) {
860 	    major_status = unrotate_iov(minor_status, rrc, iov, iov_count);
929 	    if (rrc != gsstsize) {
940 	} else if (rrc != 0) {
1173     uint16_t padlength, rrc = 0;
1188     rrc = (conf_req_flag ? sizeof(*token) : 0) + (uint16_t)cksumsize;
1294 	token->RRC[0] = (rrc >> 8) & 0xFF;
1295 	token->RRC[1] = (rrc >> 0) & 0xFF;
1302 		ret = rrc_rotate(cipher.data, cipher.length, rrc+padlength, FALSE);
1304 		ret = rrc_rotate(cipher.data, cipher.length, rrc, FALSE);
1343 	token->RRC[0] = (rrc >> 8) & 0xFF;
1344 	token->RRC[1] = (rrc >> 0) & 0xFF;
1352 	    input_message_buffer->length + cksum.checksum.length, rrc, FALSE);
1383     uint16_t ec, rrc;
1428     rrc = (token->RRC[0] << 8) | token->RRC[1];
1471 		*minor_status = rrc_rotate(p, len, rrc+ec, TRUE);
1473 		*minor_status = rrc_rotate(p, len, rrc, TRUE);
1510 	*minor_status = rrc_rotate(p, len, rrc, TRUE);