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nfsd: fix dependency of nfsd on auth_rpcgss 

Commit b0b0c0a26e "nfsd: add proc file listing kernel's gss_krb5
enctypes" added an nunnecessary dependency of nfsd on the auth_rpcgss
module.

It's a little ad hoc, but since the only piece of information nfsd needs
from rpcsec_gss_krb5 is a single static string, one solution is just to
share it with an include file.

Cc: stable@kernel.org
Reported-by: Michael Guntsche <mike@it-loops.com>
Cc: Kevin Coffman <kwc@citi.umich.edu>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields 2011-05-31 12:24:58 -04:00
parent 59c5f46fbe
commit b084f598df
3 changed files with 12 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
fs/nfsd/nfsctl.c
View File

@ -13,6 +13,7 @@
#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"
@ -189,18 +190,10 @@ static struct file_operations export_features_operations = {
.release = single_release,
};
#ifdef CONFIG_SUNRPC_GSS
#if defined(CONFIG_SUNRPC_GSS) || defined(CONFIG_SUNRPC_GSS_MODULE)
static int supported_enctypes_show(struct seq_file *m, void *v)
{
struct gss_api_mech *k5mech;
k5mech = gss_mech_get_by_name("krb5");
if (k5mech == NULL)
goto out;
if (k5mech->gm_upcall_enctypes != NULL)
seq_printf(m, k5mech->gm_upcall_enctypes);
gss_mech_put(k5mech);
out:
seq_printf(m, KRB5_SUPPORTED_ENCTYPES);
return 0;
}
@ -215,7 +208,7 @@ static struct file_operations supported_enctypes_ops = {
.llseek = seq_lseek,
.release = single_release,
};
#endif /* CONFIG_SUNRPC_GSS */
#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);
@ -1427,9 +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},
#ifdef CONFIG_SUNRPC_GSS
#if defined(CONFIG_SUNRPC_GSS) || defined(CONFIG_SUNRPC_GSS_MODULE)
[NFSD_SupportedEnctypes] = {"supported_krb5_enctypes", &supported_enctypes_ops, S_IRUGO},
#endif /* CONFIG_SUNRPC_GSS */
#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},

4
include/linux/sunrpc/gss_krb5_enctypes.h Normal file
View File

@ -0,0 +1,4 @@
/*
* Dumb way to share this static piece of information with nfsd
*/
#define KRB5_SUPPORTED_ENCTYPES "18,17,16,23,3,1,2"

3
net/sunrpc/auth_gss/gss_krb5_mech.c
View File

@ -43,6 +43,7 @@
#include <linux/sunrpc/gss_krb5.h>
#include <linux/sunrpc/xdr.h>
#include <linux/crypto.h>
#include <linux/sunrpc/gss_krb5_enctypes.h>
#ifdef RPC_DEBUG
# define RPCDBG_FACILITY RPCDBG_AUTH
@ -750,7 +751,7 @@ static struct gss_api_mech gss_kerberos_mech = {
.gm_ops = &gss_kerberos_ops,
.gm_pf_num = ARRAY_SIZE(gss_kerberos_pfs),
.gm_pfs = gss_kerberos_pfs,
.gm_upcall_enctypes = "18,17,16,23,3,1,2",
.gm_upcall_enctypes = KRB5_SUPPORTED_ENCTYPES,
};
static int __init init_kerberos_module(void)