Message ID | 20240612030752.31754-5-snitzer@kernel.org (mailing list archive) |
---|---|
State | New |
Headers | show |
Series | nfs/nfsd: add support for localio | expand |
On Wed, 12 Jun 2024, Mike Snitzer wrote: > From: Weston Andros Adamson <dros@primarydata.com> > > Add new funtion rpcauth_map_to_svc_cred_local which maps a generic > rpc_cred to an svc_cred suitable for use in nfsd. This comment is stale. There is not such thing as an "rpc_cred". NeilBrown > > This is needed by the localio code to map nfs client creds to nfs > server credentials. > > Signed-off-by: Weston Andros Adamson <dros@primarydata.com> > Signed-off-by: Lance Shelton <lance.shelton@hammerspace.com> > Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> > Signed-off-by: Mike Snitzer <snitzer@kernel.org> > --- > include/linux/sunrpc/auth.h | 4 ++++ > net/sunrpc/auth.c | 17 +++++++++++++++++ > 2 files changed, 21 insertions(+) > > diff --git a/include/linux/sunrpc/auth.h b/include/linux/sunrpc/auth.h > index 61e58327b1aa..f8b561cf78ab 100644 > --- a/include/linux/sunrpc/auth.h > +++ b/include/linux/sunrpc/auth.h > @@ -11,6 +11,7 @@ > #define _LINUX_SUNRPC_AUTH_H > > #include <linux/sunrpc/sched.h> > +#include <linux/sunrpc/svcauth.h> > #include <linux/sunrpc/msg_prot.h> > #include <linux/sunrpc/xdr.h> > > @@ -184,6 +185,9 @@ int rpcauth_uptodatecred(struct rpc_task *); > int rpcauth_init_credcache(struct rpc_auth *); > void rpcauth_destroy_credcache(struct rpc_auth *); > void rpcauth_clear_credcache(struct rpc_cred_cache *); > +bool rpcauth_map_to_svc_cred_local(struct rpc_auth *, > + const struct cred *, > + struct svc_cred *); > char * rpcauth_stringify_acceptor(struct rpc_cred *); > > static inline > diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c > index 04534ea537c8..f75728922d57 100644 > --- a/net/sunrpc/auth.c > +++ b/net/sunrpc/auth.c > @@ -308,6 +308,23 @@ rpcauth_init_credcache(struct rpc_auth *auth) > } > EXPORT_SYMBOL_GPL(rpcauth_init_credcache); > > +bool > +rpcauth_map_to_svc_cred_local(struct rpc_auth *auth, const struct cred *cred, > + struct svc_cred *svc) > +{ > + svc->cr_uid = cred->uid; > + svc->cr_gid = cred->gid; > + svc->cr_flavor = auth->au_flavor; > + if (cred->group_info) > + svc->cr_group_info = get_group_info(cred->group_info); > + /* These aren't relevant for local (network is bypassed) */ > + svc->cr_principal = NULL; > + svc->cr_gss_mech = NULL; > + > + return true; > +} > +EXPORT_SYMBOL_GPL(rpcauth_map_to_svc_cred_local); > + > char * > rpcauth_stringify_acceptor(struct rpc_cred *cred) > { > -- > 2.44.0 > > >
Hi Mike, On Tue, Jun 11, 2024 at 11:08 PM Mike Snitzer <snitzer@kernel.org> wrote: > > From: Weston Andros Adamson <dros@primarydata.com> > > Add new funtion rpcauth_map_to_svc_cred_local which maps a generic > rpc_cred to an svc_cred suitable for use in nfsd. > > This is needed by the localio code to map nfs client creds to nfs > server credentials. > > Signed-off-by: Weston Andros Adamson <dros@primarydata.com> > Signed-off-by: Lance Shelton <lance.shelton@hammerspace.com> > Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> > Signed-off-by: Mike Snitzer <snitzer@kernel.org> > --- > include/linux/sunrpc/auth.h | 4 ++++ > net/sunrpc/auth.c | 17 +++++++++++++++++ > 2 files changed, 21 insertions(+) > > diff --git a/include/linux/sunrpc/auth.h b/include/linux/sunrpc/auth.h > index 61e58327b1aa..f8b561cf78ab 100644 > --- a/include/linux/sunrpc/auth.h > +++ b/include/linux/sunrpc/auth.h > @@ -11,6 +11,7 @@ > #define _LINUX_SUNRPC_AUTH_H > > #include <linux/sunrpc/sched.h> > +#include <linux/sunrpc/svcauth.h> > #include <linux/sunrpc/msg_prot.h> > #include <linux/sunrpc/xdr.h> > > @@ -184,6 +185,9 @@ int rpcauth_uptodatecred(struct rpc_task *); > int rpcauth_init_credcache(struct rpc_auth *); > void rpcauth_destroy_credcache(struct rpc_auth *); > void rpcauth_clear_credcache(struct rpc_cred_cache *); > +bool rpcauth_map_to_svc_cred_local(struct rpc_auth *, > + const struct cred *, > + struct svc_cred *); > char * rpcauth_stringify_acceptor(struct rpc_cred *); > > static inline > diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c > index 04534ea537c8..f75728922d57 100644 > --- a/net/sunrpc/auth.c > +++ b/net/sunrpc/auth.c > @@ -308,6 +308,23 @@ rpcauth_init_credcache(struct rpc_auth *auth) > } > EXPORT_SYMBOL_GPL(rpcauth_init_credcache); > > +bool > +rpcauth_map_to_svc_cred_local(struct rpc_auth *auth, const struct cred *cred, > + struct svc_cred *svc) > +{ > + svc->cr_uid = cred->uid; > + svc->cr_gid = cred->gid; > + svc->cr_flavor = auth->au_flavor; > + if (cred->group_info) > + svc->cr_group_info = get_group_info(cred->group_info); > + /* These aren't relevant for local (network is bypassed) */ > + svc->cr_principal = NULL; > + svc->cr_gss_mech = NULL; > + > + return true; > +} This function doesn't have a way to fail, and only ever returns true. Could it be a void function instead of bool? Anna > +EXPORT_SYMBOL_GPL(rpcauth_map_to_svc_cred_local); > + > char * > rpcauth_stringify_acceptor(struct rpc_cred *cred) > { > -- > 2.44.0 > >
diff --git a/include/linux/sunrpc/auth.h b/include/linux/sunrpc/auth.h index 61e58327b1aa..f8b561cf78ab 100644 --- a/include/linux/sunrpc/auth.h +++ b/include/linux/sunrpc/auth.h @@ -11,6 +11,7 @@ #define _LINUX_SUNRPC_AUTH_H #include <linux/sunrpc/sched.h> +#include <linux/sunrpc/svcauth.h> #include <linux/sunrpc/msg_prot.h> #include <linux/sunrpc/xdr.h> @@ -184,6 +185,9 @@ int rpcauth_uptodatecred(struct rpc_task *); int rpcauth_init_credcache(struct rpc_auth *); void rpcauth_destroy_credcache(struct rpc_auth *); void rpcauth_clear_credcache(struct rpc_cred_cache *); +bool rpcauth_map_to_svc_cred_local(struct rpc_auth *, + const struct cred *, + struct svc_cred *); char * rpcauth_stringify_acceptor(struct rpc_cred *); static inline diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c index 04534ea537c8..f75728922d57 100644 --- a/net/sunrpc/auth.c +++ b/net/sunrpc/auth.c @@ -308,6 +308,23 @@ rpcauth_init_credcache(struct rpc_auth *auth) } EXPORT_SYMBOL_GPL(rpcauth_init_credcache); +bool +rpcauth_map_to_svc_cred_local(struct rpc_auth *auth, const struct cred *cred, + struct svc_cred *svc) +{ + svc->cr_uid = cred->uid; + svc->cr_gid = cred->gid; + svc->cr_flavor = auth->au_flavor; + if (cred->group_info) + svc->cr_group_info = get_group_info(cred->group_info); + /* These aren't relevant for local (network is bypassed) */ + svc->cr_principal = NULL; + svc->cr_gss_mech = NULL; + + return true; +} +EXPORT_SYMBOL_GPL(rpcauth_map_to_svc_cred_local); + char * rpcauth_stringify_acceptor(struct rpc_cred *cred) {