aboutsummaryrefslogtreecommitdiff
path: root/net/sunrpc/auth_gss
diff options
context:
space:
mode:
Diffstat (limited to 'net/sunrpc/auth_gss')
-rw-r--r--net/sunrpc/auth_gss/auth_gss.c37
-rw-r--r--net/sunrpc/auth_gss/gss_generic_token.c2
-rw-r--r--net/sunrpc/auth_gss/gss_krb5_crypto.c2
-rw-r--r--net/sunrpc/auth_gss/gss_krb5_keys.c2
-rw-r--r--net/sunrpc/auth_gss/gss_krb5_mech.c2
-rw-r--r--net/sunrpc/auth_gss/gss_krb5_seal.c2
-rw-r--r--net/sunrpc/auth_gss/gss_krb5_seqnum.c2
-rw-r--r--net/sunrpc/auth_gss/gss_krb5_unseal.c2
-rw-r--r--net/sunrpc/auth_gss/gss_krb5_wrap.c2
-rw-r--r--net/sunrpc/auth_gss/gss_mech_switch.c2
-rw-r--r--net/sunrpc/auth_gss/gss_rpc_xdr.h2
-rw-r--r--net/sunrpc/auth_gss/svcauth_gss.c2
12 files changed, 42 insertions, 17 deletions
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index afb292cd797d..dace13d7638e 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -66,7 +66,7 @@ static unsigned int gss_expired_cred_retry_delay = GSS_RETRY_EXPIRED;
#define GSS_KEY_EXPIRE_TIMEO 240
static unsigned int gss_key_expire_timeo = GSS_KEY_EXPIRE_TIMEO;
-#ifdef RPC_DEBUG
+#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
# define RPCDBG_FACILITY RPCDBG_AUTH
#endif
@@ -1353,6 +1353,7 @@ gss_stringify_acceptor(struct rpc_cred *cred)
char *string = NULL;
struct gss_cred *gss_cred = container_of(cred, struct gss_cred, gc_base);
struct gss_cl_ctx *ctx;
+ unsigned int len;
struct xdr_netobj *acceptor;
rcu_read_lock();
@@ -1360,15 +1361,39 @@ gss_stringify_acceptor(struct rpc_cred *cred)
if (!ctx)
goto out;
- acceptor = &ctx->gc_acceptor;
+ len = ctx->gc_acceptor.len;
+ rcu_read_unlock();
/* no point if there's no string */
- if (!acceptor->len)
- goto out;
-
- string = kmalloc(acceptor->len + 1, GFP_KERNEL);
+ if (!len)
+ return NULL;
+realloc:
+ string = kmalloc(len + 1, GFP_KERNEL);
if (!string)
+ return NULL;
+
+ rcu_read_lock();
+ ctx = rcu_dereference(gss_cred->gc_ctx);
+
+ /* did the ctx disappear or was it replaced by one with no acceptor? */
+ if (!ctx || !ctx->gc_acceptor.len) {
+ kfree(string);
+ string = NULL;
goto out;
+ }
+
+ acceptor = &ctx->gc_acceptor;
+
+ /*
+ * Did we find a new acceptor that's longer than the original? Allocate
+ * a longer buffer and try again.
+ */
+ if (len < acceptor->len) {
+ len = acceptor->len;
+ rcu_read_unlock();
+ kfree(string);
+ goto realloc;
+ }
memcpy(string, acceptor->data, acceptor->len);
string[acceptor->len] = '\0';
diff --git a/net/sunrpc/auth_gss/gss_generic_token.c b/net/sunrpc/auth_gss/gss_generic_token.c
index c586e92bcf76..254defe446a7 100644
--- a/net/sunrpc/auth_gss/gss_generic_token.c
+++ b/net/sunrpc/auth_gss/gss_generic_token.c
@@ -38,7 +38,7 @@
#include <linux/sunrpc/gss_asn1.h>
-#ifdef RPC_DEBUG
+#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
# define RPCDBG_FACILITY RPCDBG_AUTH
#endif
diff --git a/net/sunrpc/auth_gss/gss_krb5_crypto.c b/net/sunrpc/auth_gss/gss_krb5_crypto.c
index f5ed9f6ece06..b5408e8a37f2 100644
--- a/net/sunrpc/auth_gss/gss_krb5_crypto.c
+++ b/net/sunrpc/auth_gss/gss_krb5_crypto.c
@@ -45,7 +45,7 @@
#include <linux/sunrpc/gss_krb5.h>
#include <linux/sunrpc/xdr.h>
-#ifdef RPC_DEBUG
+#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
# define RPCDBG_FACILITY RPCDBG_AUTH
#endif
diff --git a/net/sunrpc/auth_gss/gss_krb5_keys.c b/net/sunrpc/auth_gss/gss_krb5_keys.c
index 24589bd2a4b6..234fa8d0fd9b 100644
--- a/net/sunrpc/auth_gss/gss_krb5_keys.c
+++ b/net/sunrpc/auth_gss/gss_krb5_keys.c
@@ -61,7 +61,7 @@
#include <linux/sunrpc/xdr.h>
#include <linux/lcm.h>
-#ifdef RPC_DEBUG
+#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
# define RPCDBG_FACILITY RPCDBG_AUTH
#endif
diff --git a/net/sunrpc/auth_gss/gss_krb5_mech.c b/net/sunrpc/auth_gss/gss_krb5_mech.c
index 0d3c158ef8fa..28db442a0034 100644
--- a/net/sunrpc/auth_gss/gss_krb5_mech.c
+++ b/net/sunrpc/auth_gss/gss_krb5_mech.c
@@ -45,7 +45,7 @@
#include <linux/crypto.h>
#include <linux/sunrpc/gss_krb5_enctypes.h>
-#ifdef RPC_DEBUG
+#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
# define RPCDBG_FACILITY RPCDBG_AUTH
#endif
diff --git a/net/sunrpc/auth_gss/gss_krb5_seal.c b/net/sunrpc/auth_gss/gss_krb5_seal.c
index 42768e5c3994..1d74d653e6c0 100644
--- a/net/sunrpc/auth_gss/gss_krb5_seal.c
+++ b/net/sunrpc/auth_gss/gss_krb5_seal.c
@@ -64,7 +64,7 @@
#include <linux/random.h>
#include <linux/crypto.h>
-#ifdef RPC_DEBUG
+#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
# define RPCDBG_FACILITY RPCDBG_AUTH
#endif
diff --git a/net/sunrpc/auth_gss/gss_krb5_seqnum.c b/net/sunrpc/auth_gss/gss_krb5_seqnum.c
index 62ac90c62cb1..20d55c793eb6 100644
--- a/net/sunrpc/auth_gss/gss_krb5_seqnum.c
+++ b/net/sunrpc/auth_gss/gss_krb5_seqnum.c
@@ -35,7 +35,7 @@
#include <linux/sunrpc/gss_krb5.h>
#include <linux/crypto.h>
-#ifdef RPC_DEBUG
+#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
# define RPCDBG_FACILITY RPCDBG_AUTH
#endif
diff --git a/net/sunrpc/auth_gss/gss_krb5_unseal.c b/net/sunrpc/auth_gss/gss_krb5_unseal.c
index 6c981ddc19f8..dcf9515d9aef 100644
--- a/net/sunrpc/auth_gss/gss_krb5_unseal.c
+++ b/net/sunrpc/auth_gss/gss_krb5_unseal.c
@@ -62,7 +62,7 @@
#include <linux/sunrpc/gss_krb5.h>
#include <linux/crypto.h>
-#ifdef RPC_DEBUG
+#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
# define RPCDBG_FACILITY RPCDBG_AUTH
#endif
diff --git a/net/sunrpc/auth_gss/gss_krb5_wrap.c b/net/sunrpc/auth_gss/gss_krb5_wrap.c
index 4b614c604fe0..ca7e92a32f84 100644
--- a/net/sunrpc/auth_gss/gss_krb5_wrap.c
+++ b/net/sunrpc/auth_gss/gss_krb5_wrap.c
@@ -35,7 +35,7 @@
#include <linux/pagemap.h>
#include <linux/crypto.h>
-#ifdef RPC_DEBUG
+#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
# define RPCDBG_FACILITY RPCDBG_AUTH
#endif
diff --git a/net/sunrpc/auth_gss/gss_mech_switch.c b/net/sunrpc/auth_gss/gss_mech_switch.c
index 92d5ab99fbf3..7063d856a598 100644
--- a/net/sunrpc/auth_gss/gss_mech_switch.c
+++ b/net/sunrpc/auth_gss/gss_mech_switch.c
@@ -46,7 +46,7 @@
#include <linux/sunrpc/gss_api.h>
#include <linux/sunrpc/clnt.h>
-#ifdef RPC_DEBUG
+#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
# define RPCDBG_FACILITY RPCDBG_AUTH
#endif
diff --git a/net/sunrpc/auth_gss/gss_rpc_xdr.h b/net/sunrpc/auth_gss/gss_rpc_xdr.h
index 685a688f3d8a..9d88c6239f01 100644
--- a/net/sunrpc/auth_gss/gss_rpc_xdr.h
+++ b/net/sunrpc/auth_gss/gss_rpc_xdr.h
@@ -25,7 +25,7 @@
#include <linux/sunrpc/clnt.h>
#include <linux/sunrpc/xprtsock.h>
-#ifdef RPC_DEBUG
+#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
# define RPCDBG_FACILITY RPCDBG_AUTH
#endif
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index c548ab213f76..de856ddf5fed 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -51,7 +51,7 @@
#include "gss_rpc_upcall.h"
-#ifdef RPC_DEBUG
+#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
# define RPCDBG_FACILITY RPCDBG_AUTH
#endif
Powered by cgit, Gruvboxed by Blaster4385.