diff options
Diffstat (limited to 'fs/nfsd/vfs.c')
| -rw-r--r-- | fs/nfsd/vfs.c | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index a6bc8a7423db..c827acb0e943 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -28,6 +28,7 @@ #include <asm/uaccess.h> #include <linux/exportfs.h> #include <linux/writeback.h> +#include <linux/security.h> #ifdef CONFIG_NFSD_V3 #include "xdr3.h" @@ -621,6 +622,33 @@ int nfsd4_is_junction(struct dentry *dentry) return 0; return 1; } +#ifdef CONFIG_NFSD_V4_SECURITY_LABEL +__be32 nfsd4_set_nfs4_label(struct svc_rqst *rqstp, struct svc_fh *fhp, + struct xdr_netobj *label) +{ + __be32 error; + int host_error; + struct dentry *dentry; + + error = fh_verify(rqstp, fhp, 0 /* S_IFREG */, NFSD_MAY_SATTR); + if (error) + return error; + + dentry = fhp->fh_dentry; + + mutex_lock(&dentry->d_inode->i_mutex); + host_error = security_inode_setsecctx(dentry, label->data, label->len); + mutex_unlock(&dentry->d_inode->i_mutex); + return nfserrno(host_error); +} +#else +__be32 nfsd4_set_nfs4_label(struct svc_rqst *rqstp, struct svc_fh *fhp, + struct xdr_netobj *label) +{ + return nfserr_notsupp; +} +#endif + #endif /* defined(CONFIG_NFSD_V4) */ #ifdef CONFIG_NFSD_V3 @@ -802,9 +830,10 @@ nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, umode_t type, flags = O_WRONLY|O_LARGEFILE; } *filp = dentry_open(&path, flags, current_cred()); - if (IS_ERR(*filp)) + if (IS_ERR(*filp)) { host_err = PTR_ERR(*filp); - else { + *filp = NULL; + } else { host_err = ima_file_check(*filp, may_flags); if (may_flags & NFSD_MAY_64BIT_COOKIE) |