1 files changed, 57 insertions, 10 deletions

diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index b53b1d042f1f..2b1449dd2f49 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -8,20 +8,23 @@
 #include <linux/namei.h>
 #include <linux/ctype.h>
 
-#include <linux/nfsd_idmap.h>
 #include <linux/sunrpc/svcsock.h>
 #include <linux/nfsd/syscall.h>
 #include <linux/lockd/lockd.h>
 #include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/gss_api.h>
+#include <linux/sunrpc/gss_krb5_enctypes.h>
 
+#include "idmap.h"
 #include "nfsd.h"
 #include "cache.h"
 
 /*
- *      We have a single directory with 9 nodes in it.
+ *      We have a single directory with several nodes in it.
  */
 enum {
         NFSD_Root = 1,
+#ifdef CONFIG_NFSD_DEPRECATED
         NFSD_Svc,
         NFSD_Add,
         NFSD_Del,
@@ -29,6 +32,7 @@ enum {
         NFSD_Unexport,
         NFSD_Getfd,
         NFSD_Getfs,
+#endif
         NFSD_List,
         NFSD_Export_features,
         NFSD_Fh,
@@ -40,6 +44,7 @@ enum {
         NFSD_Versions,
         NFSD_Ports,
         NFSD_MaxBlkSize,
+        NFSD_SupportedEnctypes,
         /*
          * The below MUST come last.  Otherwise we leave a hole in nfsd_files[]
          * with !CONFIG_NFSD_V4 and simple_fill_super() goes oops
@@ -54,6 +59,7 @@ enum {
 /*
  * write() for these nodes.
  */
+#ifdef CONFIG_NFSD_DEPRECATED
 static ssize_t write_svc(struct file *file, char *buf, size_t size);
 static ssize_t write_add(struct file *file, char *buf, size_t size);
 static ssize_t write_del(struct file *file, char *buf, size_t size);
@@ -61,6 +67,7 @@ static ssize_t write_export(struct file *file, char *buf, size_t size);
 static ssize_t write_unexport(struct file *file, char *buf, size_t size);
 static ssize_t write_getfd(struct file *file, char *buf, size_t size);
 static ssize_t write_getfs(struct file *file, char *buf, size_t size);
+#endif
 static ssize_t write_filehandle(struct file *file, char *buf, size_t size);
 static ssize_t write_unlock_ip(struct file *file, char *buf, size_t size);
 static ssize_t write_unlock_fs(struct file *file, char *buf, size_t size);
@@ -76,6 +83,7 @@ static ssize_t write_recoverydir(struct file *file, char *buf, size_t size);
 #endif
 
 static ssize_t (*write_op[])(struct file *, char *, size_t) = {
+#ifdef CONFIG_NFSD_DEPRECATED
         [NFSD_Svc] = write_svc,
         [NFSD_Add] = write_add,
         [NFSD_Del] = write_del,
@@ -83,6 +91,7 @@ static ssize_t (*write_op[])(struct file *, char *, size_t) = {
         [NFSD_Unexport] = write_unexport,
         [NFSD_Getfd] = write_getfd,
         [NFSD_Getfs] = write_getfs,
+#endif
         [NFSD_Fh] = write_filehandle,
         [NFSD_FO_UnlockIP] = write_unlock_ip,
         [NFSD_FO_UnlockFS] = write_unlock_fs,
@@ -121,6 +130,16 @@ static ssize_t nfsctl_transaction_write(struct file *file, const char __user *bu
 
 static ssize_t nfsctl_transaction_read(struct file *file, char __user *buf, size_t size, loff_t *pos)
 {
+#ifdef CONFIG_NFSD_DEPRECATED
+        static int warned;
+        if (file->f_dentry->d_name.name[0] == '.' && !warned) {
+                printk(KERN_INFO
+                       "Warning: \"%s\" uses deprecated NFSD interface: %s."
+                       "  This will be removed in 2.6.40\n",
+                       current->comm, file->f_dentry->d_name.name);
+                warned = 1;
+        }
+#endif
         if (! file->private_data) {
                 /* An attempt to read a transaction file without writing
                  * causes a 0-byte write so that the file can return
@@ -137,6 +156,7 @@ static const struct file_operations transaction_ops = {
         .write          = nfsctl_transaction_write,
         .read           = nfsctl_transaction_read,
         .release        = simple_transaction_release,
+        .llseek         = default_llseek,
 };
 
 static int exports_open(struct inode *inode, struct file *file)
@@ -170,6 +190,26 @@ static struct file_operations export_features_operations = {
         .release        = single_release,
 };
 
+#if defined(CONFIG_SUNRPC_GSS) || defined(CONFIG_SUNRPC_GSS_MODULE)
+static int supported_enctypes_show(struct seq_file *m, void *v)
+{
+        seq_printf(m, KRB5_SUPPORTED_ENCTYPES);
+        return 0;
+}
+
+static int supported_enctypes_open(struct inode *inode, struct file *file)
+{
+        return single_open(file, supported_enctypes_show, NULL);
+}
+
+static struct file_operations supported_enctypes_ops = {
+        .open           = supported_enctypes_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = single_release,
+};
+#endif /* CONFIG_SUNRPC_GSS or CONFIG_SUNRPC_GSS_MODULE */
+
 extern int nfsd_pool_stats_open(struct inode *inode, struct file *file);
 extern int nfsd_pool_stats_release(struct inode *inode, struct file *file);
 
@@ -186,6 +226,7 @@ static const struct file_operations pool_stats_operations = {
  * payload - write methods
  */
 
+#ifdef CONFIG_NFSD_DEPRECATED
 /**
  * write_svc - Start kernel's NFSD server
  *
@@ -401,7 +442,7 @@ static ssize_t write_getfs(struct file *file, char *buf, size_t size)
 
         ipv6_addr_set_v4mapped(sin->sin_addr.s_addr, &in6);
 
-        clp = auth_unix_lookup(&in6);
+        clp = auth_unix_lookup(&init_net, &in6);
         if (!clp)
                 err = -EPERM;
         else {
@@ -464,7 +505,7 @@ static ssize_t write_getfd(struct file *file, char *buf, size_t size)
 
         ipv6_addr_set_v4mapped(sin->sin_addr.s_addr, &in6);
 
-        clp = auth_unix_lookup(&in6);
+        clp = auth_unix_lookup(&init_net, &in6);
         if (!clp)
                 err = -EPERM;
         else {
@@ -481,6 +522,7 @@ static ssize_t write_getfd(struct file *file, char *buf, size_t size)
  out:
         return err;
 }
+#endif /* CONFIG_NFSD_DEPRECATED */
 
 /**
  * write_unlock_ip - Release all locks used by a client
@@ -999,12 +1041,12 @@ static ssize_t __write_ports_addxprt(char *buf)
         if (err != 0)
                 return err;
 
-        err = svc_create_xprt(nfsd_serv, transport,
+        err = svc_create_xprt(nfsd_serv, transport, &init_net,
                                 PF_INET, port, SVC_SOCK_ANONYMOUS);
         if (err < 0)
                 goto out_err;
 
-        err = svc_create_xprt(nfsd_serv, transport,
+        err = svc_create_xprt(nfsd_serv, transport, &init_net,
                                 PF_INET6, port, SVC_SOCK_ANONYMOUS);
         if (err < 0 && err != -EAFNOSUPPORT)
                 goto out_close;
@@ -1355,6 +1397,7 @@ static ssize_t write_recoverydir(struct file *file, char *buf, size_t size)
 static int nfsd_fill_super(struct super_block * sb, void * data, int silent)
 {
         static struct tree_descr nfsd_files[] = {
+#ifdef CONFIG_NFSD_DEPRECATED
                 [NFSD_Svc] = {".svc", &transaction_ops, S_IWUSR},
                 [NFSD_Add] = {".add", &transaction_ops, S_IWUSR},
                 [NFSD_Del] = {".del", &transaction_ops, S_IWUSR},
@@ -1362,6 +1405,7 @@ static int nfsd_fill_super(struct super_block * sb, void * data, int silent)
                 [NFSD_Unexport] = {".unexport", &transaction_ops, S_IWUSR},
                 [NFSD_Getfd] = {".getfd", &transaction_ops, S_IWUSR|S_IRUSR},
                 [NFSD_Getfs] = {".getfs", &transaction_ops, S_IWUSR|S_IRUSR},
+#endif
                 [NFSD_List] = {"exports", &exports_operations, S_IRUGO},
                 [NFSD_Export_features] = {"export_features",
                                         &export_features_operations, S_IRUGO},
@@ -1376,6 +1420,9 @@ static int nfsd_fill_super(struct super_block * sb, void * data, int silent)
                 [NFSD_Versions] = {"versions", &transaction_ops, S_IWUSR|S_IRUSR},
                 [NFSD_Ports] = {"portlist", &transaction_ops, S_IWUSR|S_IRUGO},
                 [NFSD_MaxBlkSize] = {"max_block_size", &transaction_ops, S_IWUSR|S_IRUGO},
+#if defined(CONFIG_SUNRPC_GSS) || defined(CONFIG_SUNRPC_GSS_MODULE)
+                [NFSD_SupportedEnctypes] = {"supported_krb5_enctypes", &supported_enctypes_ops, S_IRUGO},
+#endif /* CONFIG_SUNRPC_GSS or CONFIG_SUNRPC_GSS_MODULE */
 #ifdef CONFIG_NFSD_V4
                 [NFSD_Leasetime] = {"nfsv4leasetime", &transaction_ops, S_IWUSR|S_IRUSR},
                 [NFSD_Gracetime] = {"nfsv4gracetime", &transaction_ops, S_IWUSR|S_IRUSR},
@@ -1386,16 +1433,16 @@ static int nfsd_fill_super(struct super_block * sb, void * data, int silent)
         return simple_fill_super(sb, 0x6e667364, nfsd_files);
 }
 
-static int nfsd_get_sb(struct file_system_type *fs_type,
-        int flags, const char *dev_name, void *data, struct vfsmount *mnt)
+static struct dentry *nfsd_mount(struct file_system_type *fs_type,
+        int flags, const char *dev_name, void *data)
 {
-        return get_sb_single(fs_type, flags, data, nfsd_fill_super, mnt);
+        return mount_single(fs_type, flags, data, nfsd_fill_super);
 }
 
 static struct file_system_type nfsd_fs_type = {
         .owner          = THIS_MODULE,
         .name           = "nfsd",
-        .get_sb         = nfsd_get_sb,
+        .mount          = nfsd_mount,
         .kill_sb        = kill_litter_super,
 };