gssapi/krb5/cfx.c

164  * Rotate "rrc" bytes to the front or back
168 rrc_rotate(void *data, size_t len, uint16_t rrc, krb5_boolean unrotate)
176     rrc %= len;
178     if (rrc == 0)
181     left = len - rrc;
183     if (rrc <= sizeof(buf)) {
186 	tmp = malloc(rrc);
192 	memcpy(tmp, data, rrc);
193 	memmove(data, (u_char *)data + rrc, left);
194 	memcpy((u_char *)data + left, tmp, rrc);
196 	memcpy(tmp, (u_char *)data + left, rrc);
197 	memmove((u_char *)data + rrc, data, left);
198 	memcpy(data, tmp, rrc);
201     if (rrc > sizeof(buf))
290     size_t i, rrc = 0, ec = 0;
391 	rrc = gsstsize;
393 	    rrc -= ec;
560 	if (rrc) {
561 	    token->RRC[0] = (rrc >> 8) & 0xFF;
562 	    token->RRC[1] = (rrc >> 0) & 0xFF;
613 	if (rrc) {
614 	    token->RRC[0] = (rrc >> 8) & 0xFF;
615 	    token->RRC[1] = (rrc >> 0) & 0xFF;
641 unrotate_iov(OM_uint32 *minor_status, size_t rrc, gss_iov_buffer_desc *iov, int iov_count)
674     q = p + rrc;
675     skip = rrc;
692     skip = rrc;
724     uint16_t ec, rrc;
781     rrc = (token->RRC[0] << 8) | token->RRC[1];
833 	    if (rrc != gsstsize) {
853 	} else if (rrc != 0) {
855 	    major_status = unrotate_iov(minor_status, rrc, iov, iov_count);
924 	    if (rrc != gsstsize) {
935 	} else if (rrc != 0) {
1167     uint16_t padlength, rrc = 0;
1182     rrc = (conf_req_flag ? sizeof(*token) : 0) + (uint16_t)cksumsize;
1288 	token->RRC[0] = (rrc >> 8) & 0xFF;
1289 	token->RRC[1] = (rrc >> 0) & 0xFF;
1296 		ret = rrc_rotate(cipher.data, cipher.length, rrc+padlength, FALSE);
1298 		ret = rrc_rotate(cipher.data, cipher.length, rrc, FALSE);
1337 	token->RRC[0] = (rrc >> 8) & 0xFF;
1338 	token->RRC[1] = (rrc >> 0) & 0xFF;
1346 	    input_message_buffer->length + cksum.checksum.length, rrc, FALSE);
1377     uint16_t ec, rrc;
1422     rrc = (token->RRC[0] << 8) | token->RRC[1];
1465 		*minor_status = rrc_rotate(p, len, rrc+ec, TRUE);
1467 		*minor_status = rrc_rotate(p, len, rrc, TRUE);
1504 	*minor_status = rrc_rotate(p, len, rrc, TRUE);