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-rw-r--r--fs/nfsd/export.c15
-rw-r--r--fs/nfsd/nfs4idmap.c13
-rw-r--r--fs/nfsd/nfsfh.c2
-rw-r--r--include/linux/sunrpc/svc.h1
-rw-r--r--include/linux/sunrpc/svcauth.h1
-rw-r--r--net/sunrpc/auth_gss/svcauth_gss.c21
-rw-r--r--net/sunrpc/svcauth_unix.c4
7 files changed, 45 insertions, 12 deletions
diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index 9b569af695a..ac225a79376 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -1237,21 +1237,28 @@ struct svc_export *
rqst_exp_get_by_name(struct svc_rqst *rqstp, struct vfsmount *mnt,
struct dentry *dentry)
{
- return exp_get_by_name(rqstp->rq_client, mnt, dentry,
- &rqstp->rq_chandle);
+ struct auth_domain *clp;
+
+ clp = rqstp->rq_gssclient ? rqstp->rq_gssclient : rqstp->rq_client;
+ return exp_get_by_name(clp, mnt, dentry, &rqstp->rq_chandle);
}
struct svc_export *
rqst_exp_find(struct svc_rqst *rqstp, int fsid_type, u32 *fsidv)
{
- return exp_find(rqstp->rq_client, fsid_type, fsidv,
- &rqstp->rq_chandle);
+ struct auth_domain *clp;
+
+ clp = rqstp->rq_gssclient ? rqstp->rq_gssclient : rqstp->rq_client;
+ return exp_find(clp, fsid_type, fsidv, &rqstp->rq_chandle);
}
struct svc_export *
rqst_exp_parent(struct svc_rqst *rqstp, struct vfsmount *mnt,
struct dentry *dentry)
{
+ struct auth_domain *clp;
+
+ clp = rqstp->rq_gssclient ? rqstp->rq_gssclient : rqstp->rq_client;
return exp_parent(rqstp->rq_client, mnt, dentry, &rqstp->rq_chandle);
}
diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c
index 45aa21ce678..2cf9a9a2d89 100644
--- a/fs/nfsd/nfs4idmap.c
+++ b/fs/nfsd/nfs4idmap.c
@@ -587,6 +587,15 @@ idmap_lookup(struct svc_rqst *rqstp,
return ret;
}
+static char *
+rqst_authname(struct svc_rqst *rqstp)
+{
+ struct auth_domain *clp;
+
+ clp = rqstp->rq_gssclient ? rqstp->rq_gssclient : rqstp->rq_client;
+ return clp->name;
+}
+
static int
idmap_name_to_id(struct svc_rqst *rqstp, int type, const char *name, u32 namelen,
uid_t *id)
@@ -600,7 +609,7 @@ idmap_name_to_id(struct svc_rqst *rqstp, int type, const char *name, u32 namelen
return -EINVAL;
memcpy(key.name, name, namelen);
key.name[namelen] = '\0';
- strlcpy(key.authname, rqstp->rq_client->name, sizeof(key.authname));
+ strlcpy(key.authname, rqst_authname(rqstp), sizeof(key.authname));
ret = idmap_lookup(rqstp, nametoid_lookup, &key, &nametoid_cache, &item);
if (ret == -ENOENT)
ret = -ESRCH; /* nfserr_badname */
@@ -620,7 +629,7 @@ idmap_id_to_name(struct svc_rqst *rqstp, int type, uid_t id, char *name)
};
int ret;
- strlcpy(key.authname, rqstp->rq_client->name, sizeof(key.authname));
+ strlcpy(key.authname, rqst_authname(rqstp), sizeof(key.authname));
ret = idmap_lookup(rqstp, idtoname_lookup, &key, &idtoname_cache, &item);
if (ret == -ENOENT)
return sprintf(name, "%u", id);
diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c
index 180e068ea06..22cb5be79ad 100644
--- a/fs/nfsd/nfsfh.c
+++ b/fs/nfsd/nfsfh.c
@@ -120,8 +120,6 @@ fh_verify(struct svc_rqst *rqstp, struct svc_fh *fhp, int type, int access)
int data_left = fh->fh_size/4;
error = nfserr_stale;
- if (rqstp->rq_client == NULL)
- goto out;
if (rqstp->rq_vers > 2)
error = nfserr_badhandle;
if (rqstp->rq_vers == 4 && fh->fh_size == 0)
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 705a90aa345..8531a70da73 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -249,6 +249,7 @@ struct svc_rqst {
*/
/* Catering to nfsd */
struct auth_domain * rq_client; /* RPC peer info */
+ struct auth_domain * rq_gssclient; /* "gss/"-style peer info */
struct svc_cacherep * rq_cacherep; /* cache info */
struct knfsd_fh * rq_reffh; /* Referrence filehandle, used to
* determine what device number
diff --git a/include/linux/sunrpc/svcauth.h b/include/linux/sunrpc/svcauth.h
index de92619b082..22e1ef8e200 100644
--- a/include/linux/sunrpc/svcauth.h
+++ b/include/linux/sunrpc/svcauth.h
@@ -127,6 +127,7 @@ extern struct auth_domain *auth_unix_lookup(struct in_addr addr);
extern int auth_unix_forget_old(struct auth_domain *dom);
extern void svcauth_unix_purge(void);
extern void svcauth_unix_info_release(void *);
+extern int svcauth_unix_set_client(struct svc_rqst *rqstp);
static inline unsigned long hash_str(char *name, int bits)
{
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 7a3e1758bea..e4b3de08b04 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -913,10 +913,23 @@ svcauth_gss_set_client(struct svc_rqst *rqstp)
struct gss_svc_data *svcdata = rqstp->rq_auth_data;
struct rsc *rsci = svcdata->rsci;
struct rpc_gss_wire_cred *gc = &svcdata->clcred;
+ int stat;
- rqstp->rq_client = find_gss_auth_domain(rsci->mechctx, gc->gc_svc);
- if (rqstp->rq_client == NULL)
+ /*
+ * A gss export can be specified either by:
+ * export *(sec=krb5,rw)
+ * or by
+ * export gss/krb5(rw)
+ * The latter is deprecated; but for backwards compatibility reasons
+ * the nfsd code will still fall back on trying it if the former
+ * doesn't work; so we try to make both available to nfsd, below.
+ */
+ rqstp->rq_gssclient = find_gss_auth_domain(rsci->mechctx, gc->gc_svc);
+ if (rqstp->rq_gssclient == NULL)
return SVC_DENIED;
+ stat = svcauth_unix_set_client(rqstp);
+ if (stat == SVC_DROP)
+ return stat;
return SVC_OK;
}
@@ -1088,7 +1101,6 @@ svcauth_gss_accept(struct svc_rqst *rqstp, __be32 *authp)
svc_putnl(resv, GSS_SEQ_WIN);
if (svc_safe_putnetobj(resv, &rsip->out_token))
goto drop;
- rqstp->rq_client = NULL;
}
goto complete;
case RPC_GSS_PROC_DESTROY:
@@ -1319,6 +1331,9 @@ out_err:
if (rqstp->rq_client)
auth_domain_put(rqstp->rq_client);
rqstp->rq_client = NULL;
+ if (rqstp->rq_gssclient)
+ auth_domain_put(rqstp->rq_gssclient);
+ rqstp->rq_gssclient = NULL;
if (rqstp->rq_cred.cr_group_info)
put_group_info(rqstp->rq_cred.cr_group_info);
rqstp->rq_cred.cr_group_info = NULL;
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index d9fdf2e4d24..411479411b2 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -638,7 +638,7 @@ static int unix_gid_find(uid_t uid, struct group_info **gip,
}
}
-static int
+int
svcauth_unix_set_client(struct svc_rqst *rqstp)
{
struct sockaddr_in *sin = svc_addr_in(rqstp);
@@ -673,6 +673,8 @@ svcauth_unix_set_client(struct svc_rqst *rqstp)
return SVC_OK;
}
+EXPORT_SYMBOL(svcauth_unix_set_client);
+
static int
svcauth_null_accept(struct svc_rqst *rqstp, __be32 *authp)
{
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-25 10:23:23 +0000