From 5fe4755e2526a2aa82b7ed8daeb3aed74a236925 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Sat, 23 Jun 2007 19:55:31 -0400 Subject: [PATCH] SUNRPC: Clean up rpc credential initialisation Add a helper rpc_cred_init() Signed-off-by: Trond Myklebust --- include/linux/sunrpc/auth.h | 1 + include/linux/sunrpc/auth_gss.h | 5 ----- net/sunrpc/auth.c | 24 ++++++++++++++++++------ net/sunrpc/auth_gss/auth_gss.c | 6 +----- net/sunrpc/auth_unix.c | 10 ++-------- 5 files changed, 22 insertions(+), 24 deletions(-) diff --git a/include/linux/sunrpc/auth.h b/include/linux/sunrpc/auth.h index e606c28046..d5bfc67461 100644 --- a/include/linux/sunrpc/auth.h +++ b/include/linux/sunrpc/auth.h @@ -127,6 +127,7 @@ int rpcauth_unregister(const struct rpc_authops *); struct rpc_auth * rpcauth_create(rpc_authflavor_t, struct rpc_clnt *); void rpcauth_release(struct rpc_auth *); struct rpc_cred * rpcauth_lookup_credcache(struct rpc_auth *, struct auth_cred *, int); +void rpcauth_init_cred(struct rpc_cred *, const struct auth_cred *, struct rpc_auth *, const struct rpc_credops *); struct rpc_cred * rpcauth_lookupcred(struct rpc_auth *, int); struct rpc_cred * rpcauth_bindcred(struct rpc_task *); void rpcauth_holdcred(struct rpc_task *); diff --git a/include/linux/sunrpc/auth_gss.h b/include/linux/sunrpc/auth_gss.h index 2db2fbf349..0bd1d06777 100644 --- a/include/linux/sunrpc/auth_gss.h +++ b/include/linux/sunrpc/auth_gss.h @@ -85,11 +85,6 @@ struct gss_cred { struct gss_upcall_msg *gc_upcall; }; -#define gc_uid gc_base.cr_uid -#define gc_count gc_base.cr_count -#define gc_flags gc_base.cr_flags -#define gc_expire gc_base.cr_expire - #endif /* __KERNEL__ */ #endif /* _LINUX_SUNRPC_AUTH_GSS_H */ diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c index d3f0f944c0..2156327da4 100644 --- a/net/sunrpc/auth.c +++ b/net/sunrpc/auth.c @@ -264,13 +264,9 @@ retry: if (!cred) { new = auth->au_ops->crcreate(auth, acred, flags); - if (!IS_ERR(new)) { -#ifdef RPC_DEBUG - new->cr_magic = RPCAUTH_CRED_MAGIC; -#endif + if (!IS_ERR(new)) goto retry; - } else - cred = new; + cred = new; } else if ((cred->cr_flags & RPCAUTH_CRED_NEW) && cred->cr_ops->cr_init != NULL && !(flags & RPCAUTH_LOOKUP_NEW)) { @@ -302,6 +298,22 @@ rpcauth_lookupcred(struct rpc_auth *auth, int flags) return ret; } +void +rpcauth_init_cred(struct rpc_cred *cred, const struct auth_cred *acred, + struct rpc_auth *auth, const struct rpc_credops *ops) +{ + INIT_HLIST_NODE(&cred->cr_hash); + atomic_set(&cred->cr_count, 1); + cred->cr_auth = auth; + cred->cr_ops = ops; + cred->cr_expire = jiffies; +#ifdef RPC_DEBUG + cred->cr_magic = RPCAUTH_CRED_MAGIC; +#endif + cred->cr_uid = acred->uid; +} +EXPORT_SYMBOL(rpcauth_init_cred); + struct rpc_cred * rpcauth_bindcred(struct rpc_task *task) { diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c index 177a9e413c..766de0a41b 100644 --- a/net/sunrpc/auth_gss/auth_gss.c +++ b/net/sunrpc/auth_gss/auth_gss.c @@ -727,15 +727,11 @@ gss_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags) if (!(cred = kzalloc(sizeof(*cred), GFP_KERNEL))) goto out_err; - atomic_set(&cred->gc_count, 1); - cred->gc_uid = acred->uid; + rpcauth_init_cred(&cred->gc_base, acred, auth, &gss_credops); /* * Note: in order to force a call to call_refresh(), we deliberately * fail to flag the credential as RPCAUTH_CRED_UPTODATE. */ - cred->gc_flags = 0; - cred->gc_base.cr_auth = auth; - cred->gc_base.cr_ops = &gss_credops; cred->gc_base.cr_flags = RPCAUTH_CRED_NEW; cred->gc_service = gss_auth->service; return &cred->gc_base; diff --git a/net/sunrpc/auth_unix.c b/net/sunrpc/auth_unix.c index 6600c7ad72..2f1bdb5c86 100644 --- a/net/sunrpc/auth_unix.c +++ b/net/sunrpc/auth_unix.c @@ -20,9 +20,6 @@ struct unx_cred { gid_t uc_gids[NFS_NGROUPS]; }; #define uc_uid uc_base.cr_uid -#define uc_count uc_base.cr_count -#define uc_flags uc_base.cr_flags -#define uc_expire uc_base.cr_expire #define UNX_CRED_EXPIRE (60 * HZ) @@ -74,8 +71,8 @@ unx_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags) if (!(cred = kmalloc(sizeof(*cred), GFP_KERNEL))) return ERR_PTR(-ENOMEM); - atomic_set(&cred->uc_count, 1); - cred->uc_flags = RPCAUTH_CRED_UPTODATE; + rpcauth_init_cred(&cred->uc_base, acred, auth, &unix_credops); + cred->uc_base.cr_flags = RPCAUTH_CRED_UPTODATE; if (flags & RPCAUTH_LOOKUP_ROOTCREDS) { cred->uc_uid = 0; cred->uc_gid = 0; @@ -85,15 +82,12 @@ unx_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags) if (groups > NFS_NGROUPS) groups = NFS_NGROUPS; - cred->uc_uid = acred->uid; cred->uc_gid = acred->gid; for (i = 0; i < groups; i++) cred->uc_gids[i] = GROUP_AT(acred->group_info, i); if (i < NFS_NGROUPS) cred->uc_gids[i] = NOGROUP; } - cred->uc_base.cr_auth = &unix_auth; - cred->uc_base.cr_ops = &unix_credops; return (struct rpc_cred *) cred; } -- 2.39.5