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Commit 3c726023 authored by J. Bruce Fields's avatar J. Bruce Fields
Browse files

nfsd4: return nfs errno from name_to_id functions 



This avoids the need for the confusing ESRCH mapping.

Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent 775a1905

fs/nfsd/idmap.h

+2 −2
Original line number Diff line number Diff line
@@ -54,8 +54,8 @@ static inline void nfsd_idmap_shutdown(void) 
}

#endif



int nfsd_map_name_to_uid(struct svc_rqst *, const char *, size_t, __u32 *);

int nfsd_map_name_to_gid(struct svc_rqst *, const char *, size_t, __u32 *);

__be32 nfsd_map_name_to_uid(struct svc_rqst *, const char *, size_t, __u32 *);

__be32 nfsd_map_name_to_gid(struct svc_rqst *, const char *, size_t, __u32 *);

int nfsd_map_uid_to_name(struct svc_rqst *, __u32, char *);

int nfsd_map_gid_to_name(struct svc_rqst *, __u32, char *);

fs/nfsd/nfs4idmap.c

+7 −6
Original line number Diff line number Diff line
@@ -37,6 +37,7 @@ 
#include <linux/sched.h>

#include <linux/slab.h>

#include "idmap.h"

#include "nfsd.h"



/*

 * Cache entry
@@ -514,7 +515,7 @@ rqst_authname(struct svc_rqst *rqstp) 
	return clp->name;

}



static int

static __be32

idmap_name_to_id(struct svc_rqst *rqstp, int type, const char *name, u32 namelen,

		uid_t *id)

{
@@ -524,15 +525,15 @@ idmap_name_to_id(struct svc_rqst *rqstp, int type, const char *name, u32 namelen 
	int ret;



	if (namelen + 1 > sizeof(key.name))

		return -ESRCH; /* nfserr_badowner */

		return nfserr_badowner;

	memcpy(key.name, name, namelen);

	key.name[namelen] = '\0';

	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_badowner */

		return nfserr_badowner;

	if (ret)

		return ret;

		return nfserrno(ret);

	*id = item->id;

	cache_put(&item->h, &nametoid_cache);

	return 0;
@@ -560,14 +561,14 @@ idmap_id_to_name(struct svc_rqst *rqstp, int type, uid_t id, char *name) 
	return ret;

}



int

__be32

nfsd_map_name_to_uid(struct svc_rqst *rqstp, const char *name, size_t namelen,

		__u32 *id)

{

	return idmap_name_to_id(rqstp, IDMAP_TYPE_USER, name, namelen, id);

}



int

__be32

nfsd_map_name_to_gid(struct svc_rqst *rqstp, const char *name, size_t namelen,

		__u32 *id)

{

fs/nfsd/nfs4xdr.c

+5 −5
Original line number Diff line number Diff line
@@ -289,17 +289,17 @@ nfsd4_decode_fattr(struct nfsd4_compoundargs *argp, u32 *bmval, 
			len += XDR_QUADLEN(dummy32) << 2;

			READMEM(buf, dummy32);

			ace->whotype = nfs4_acl_get_whotype(buf, dummy32);

			host_err = 0;

			status = nfs_ok;

			if (ace->whotype != NFS4_ACL_WHO_NAMED)

				ace->who = 0;

			else if (ace->flag & NFS4_ACE_IDENTIFIER_GROUP)

				host_err = nfsd_map_name_to_gid(argp->rqstp,

				status = nfsd_map_name_to_gid(argp->rqstp,

						buf, dummy32, &ace->who);

			else

				host_err = nfsd_map_name_to_uid(argp->rqstp,

				status = nfsd_map_name_to_uid(argp->rqstp,

						buf, dummy32, &ace->who);

			if (host_err)

				goto out_nfserr;

			if (status)

				return status;

		}

	} else

		*acl = NULL;

fs/nfsd/nfsproc.c

+0 −1
Original line number Diff line number Diff line
@@ -738,7 +738,6 @@ nfserrno (int errno) 
		{ nfserr_jukebox, -EAGAIN },

		{ nfserr_jukebox, -EWOULDBLOCK },

		{ nfserr_jukebox, -ENOMEM },

		{ nfserr_badowner, -ESRCH },

		{ nfserr_io, -ETXTBSY },

		{ nfserr_notsupp, -EOPNOTSUPP },

		{ nfserr_toosmall, -ETOOSMALL },