659 gss_verify_header(struct svc_rqst *rqstp, struct rsc *rsci,  in gss_verify_header()  argument
666 	struct kvec		*argv = &rqstp->rq_arg.head[0];  in gss_verify_header()
683 	if (rqstp->rq_deferred) /* skip verification of revisited request */  in gss_verify_header()
705 gss_write_null_verf(struct svc_rqst *rqstp)  in gss_write_null_verf()  argument
709 	svc_putnl(rqstp->rq_res.head, RPC_AUTH_NULL);  in gss_write_null_verf()
710 	p = rqstp->rq_res.head->iov_base + rqstp->rq_res.head->iov_len;  in gss_write_null_verf()
713 	if (!xdr_ressize_check(rqstp, p))  in gss_write_null_verf()
719 gss_write_verf(struct svc_rqst *rqstp, struct gss_ctx *ctx_id, u32 seq)  in gss_write_verf()  argument
728 	svc_putnl(rqstp->rq_res.head, RPC_AUTH_GSS);  in gss_write_verf()
734 	p = rqstp->rq_res.head->iov_base + rqstp->rq_res.head->iov_len;  in gss_write_verf()
742 	if (!xdr_ressize_check(rqstp, p))  in gss_write_verf()
827 unwrap_integ_data(struct svc_rqst *rqstp, struct xdr_buf *buf, u32 seq, struct gss_ctx *ctx)  in unwrap_integ_data()  argument
835 	if (rqstp->rq_deferred)  in unwrap_integ_data()
886 unwrap_priv_data(struct svc_rqst *rqstp, struct xdr_buf *buf, u32 seq, struct gss_ctx *ctx)  in unwrap_priv_data()  argument
891 	clear_bit(RQ_SPLICE_OK, &rqstp->rq_flags);  in unwrap_priv_data()
894 	if (rqstp->rq_deferred) {  in unwrap_priv_data()
946 svcauth_gss_set_client(struct svc_rqst *rqstp)  in svcauth_gss_set_client()  argument
948 	struct gss_svc_data *svcdata = rqstp->rq_auth_data;  in svcauth_gss_set_client()
962 	rqstp->rq_gssclient = find_gss_auth_domain(rsci->mechctx, gc->gc_svc);  in svcauth_gss_set_client()
963 	if (rqstp->rq_gssclient == NULL)  in svcauth_gss_set_client()
965 	stat = svcauth_unix_set_client(rqstp);  in svcauth_gss_set_client()
972 gss_write_init_verf(struct cache_detail *cd, struct svc_rqst *rqstp,  in gss_write_init_verf()  argument
979 		return gss_write_null_verf(rqstp);  in gss_write_init_verf()
983 		return gss_write_null_verf(rqstp);  in gss_write_init_verf()
985 	rc = gss_write_verf(rqstp, rsci->mechctx, GSS_SEQ_WIN);  in gss_write_init_verf()
1049 gss_read_proxy_verf(struct svc_rqst *rqstp,  in gss_read_proxy_verf()  argument
1054 	struct kvec *argv = &rqstp->rq_arg.head[0];  in gss_read_proxy_verf()
1063 	if (inlen > (argv->iov_len + rqstp->rq_arg.page_len))  in gss_read_proxy_verf()
1066 	in_token->pages = rqstp->rq_pages;  in gss_read_proxy_verf()
1100 static int svcauth_gss_legacy_init(struct svc_rqst *rqstp,  in svcauth_gss_legacy_init()  argument
1103 	struct kvec *argv = &rqstp->rq_arg.head[0];  in svcauth_gss_legacy_init()
1104 	struct kvec *resv = &rqstp->rq_res.head[0];  in svcauth_gss_legacy_init()
1107 	struct sunrpc_net *sn = net_generic(rqstp->rq_xprt->xpt_net, sunrpc_net_id);  in svcauth_gss_legacy_init()
1120 	if (cache_check(sn->rsi_cache, &rsip->h, &rqstp->rq_chandle) < 0)  in svcauth_gss_legacy_init()
1126 	if (gss_write_init_verf(sn->rsc_cache, rqstp,  in svcauth_gss_legacy_init()
1209 static int svcauth_gss_proxy_init(struct svc_rqst *rqstp,  in svcauth_gss_proxy_init()  argument
1212 	struct kvec *resv = &rqstp->rq_res.head[0];  in svcauth_gss_proxy_init()
1218 	struct net *net = rqstp->rq_xprt->xpt_net;  in svcauth_gss_proxy_init()
1222 	ret = gss_read_proxy_verf(rqstp, gc, authp,  in svcauth_gss_proxy_init()
1254 	if (gss_write_init_verf(sn->rsc_cache, rqstp,  in svcauth_gss_proxy_init()
1397 svcauth_gss_accept(struct svc_rqst *rqstp, __be32 *authp)  in svcauth_gss_accept()  argument
1399 	struct kvec	*argv = &rqstp->rq_arg.head[0];  in svcauth_gss_accept()
1400 	struct kvec	*resv = &rqstp->rq_res.head[0];  in svcauth_gss_accept()
1402 	struct gss_svc_data *svcdata = rqstp->rq_auth_data;  in svcauth_gss_accept()
1408 	struct sunrpc_net *sn = net_generic(rqstp->rq_xprt->xpt_net, sunrpc_net_id);  in svcauth_gss_accept()
1418 	rqstp->rq_auth_data = svcdata;  in svcauth_gss_accept()
1447 	if ((gc->gc_proc != RPC_GSS_PROC_DATA) && (rqstp->rq_proc != 0))  in svcauth_gss_accept()
1454 		if (use_gss_proxy(SVC_NET(rqstp)))  in svcauth_gss_accept()
1455 			return svcauth_gss_proxy_init(rqstp, gc, authp);  in svcauth_gss_accept()
1457 			return svcauth_gss_legacy_init(rqstp, gc, authp);  in svcauth_gss_accept()
1465 		switch (gss_verify_header(rqstp, rsci, rpcstart, gc, authp)) {  in svcauth_gss_accept()
1482 		if (gss_write_verf(rqstp, rsci->mechctx, gc->gc_seq))  in svcauth_gss_accept()
1493 		if (gss_write_verf(rqstp, rsci->mechctx, gc->gc_seq))  in svcauth_gss_accept()
1495 		rqstp->rq_cred = rsci->cred;  in svcauth_gss_accept()
1505 			if (unwrap_integ_data(rqstp, &rqstp->rq_arg,  in svcauth_gss_accept()
1508 			rqstp->rq_auth_slack = RPC_MAX_AUTH_SIZE;  in svcauth_gss_accept()
1514 			if (unwrap_priv_data(rqstp, &rqstp->rq_arg,  in svcauth_gss_accept()
1517 			rqstp->rq_auth_slack = RPC_MAX_AUTH_SIZE * 2;  in svcauth_gss_accept()
1524 		rqstp->rq_cred.cr_flavor = gss_svc_to_pseudoflavor(  in svcauth_gss_accept()
1536 	xdr_ressize_check(rqstp, reject_stat);  in svcauth_gss_accept()
1578 svcauth_gss_wrap_resp_integ(struct svc_rqst *rqstp)  in svcauth_gss_wrap_resp_integ()  argument
1580 	struct gss_svc_data *gsd = (struct gss_svc_data *)rqstp->rq_auth_data;  in svcauth_gss_wrap_resp_integ()
1582 	struct xdr_buf *resbuf = &rqstp->rq_res;  in svcauth_gss_wrap_resp_integ()
1625 svcauth_gss_wrap_resp_priv(struct svc_rqst *rqstp)  in svcauth_gss_wrap_resp_priv()  argument
1627 	struct gss_svc_data *gsd = (struct gss_svc_data *)rqstp->rq_auth_data;  in svcauth_gss_wrap_resp_priv()
1629 	struct xdr_buf *resbuf = &rqstp->rq_res;  in svcauth_gss_wrap_resp_priv()
1690 svcauth_gss_release(struct svc_rqst *rqstp)  in svcauth_gss_release()  argument
1692 	struct gss_svc_data *gsd = (struct gss_svc_data *)rqstp->rq_auth_data;  in svcauth_gss_release()
1694 	struct xdr_buf *resbuf = &rqstp->rq_res;  in svcauth_gss_release()
1696 	struct sunrpc_net *sn = net_generic(rqstp->rq_xprt->xpt_net, sunrpc_net_id);  in svcauth_gss_release()
1711 		stat = svcauth_gss_wrap_resp_integ(rqstp);  in svcauth_gss_release()
1716 		stat = svcauth_gss_wrap_resp_priv(rqstp);  in svcauth_gss_release()
1729 	if (rqstp->rq_client)  in svcauth_gss_release()
1730 		auth_domain_put(rqstp->rq_client);  in svcauth_gss_release()
1731 	rqstp->rq_client = NULL;  in svcauth_gss_release()
1732 	if (rqstp->rq_gssclient)  in svcauth_gss_release()
1733 		auth_domain_put(rqstp->rq_gssclient);  in svcauth_gss_release()
1734 	rqstp->rq_gssclient = NULL;  in svcauth_gss_release()
1735 	if (rqstp->rq_cred.cr_group_info)  in svcauth_gss_release()
1736 		put_group_info(rqstp->rq_cred.cr_group_info);  in svcauth_gss_release()
1737 	rqstp->rq_cred.cr_group_info = NULL;  in svcauth_gss_release()