[linux-cifs-client] [PATCH 10/15] cifs: move secType to the SMB session

[Jeff Layton]

From: Jeff Layton <jlayton at redhat.com>

There's no reason we need to use the same secType for every session on
a socket. Move the secType field from the server info struct to the
SMB session.

Signed-off-by: Jeff Layton <jlayton at redhat.com>
---
 fs/cifs/cifs_spnego.c |    4 ++--
 fs/cifs/cifsglob.h    |    2 +-
 fs/cifs/cifssmb.c     |   20 ++++++++++----------
 fs/cifs/connect.c     |    2 +-
 fs/cifs/sess.c        |    2 +-
 5 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/fs/cifs/cifs_spnego.c b/fs/cifs/cifs_spnego.c
index 8ec7736..2f6bb5b 100644
--- a/fs/cifs/cifs_spnego.c
+++ b/fs/cifs/cifs_spnego.c
@@ -132,9 +132,9 @@ cifs_get_spnego_key(struct cifsSesInfo *sesInfo)
 	dp = description + strlen(description);
 
 	/* for now, only sec=krb5 and sec=mskrb5 are valid */
-	if (server->secType == Kerberos)
+	if (sesInfo->secType == Kerberos)
 		sprintf(dp, ";sec=krb5");
-	else if (server->secType == MSKerberos)
+	else if (sesInfo->secType == MSKerberos)
 		sprintf(dp, ";sec=mskrb5");
 	else
 		goto out;
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 1aa8418..b47a66b 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -160,7 +160,6 @@ struct TCP_Server_Info {
 	struct task_struct *tsk;
 	char server_GUID[16];
 	char secMode;
-	enum securityEnum secType;
 	unsigned int maxReq;	/* Clients should submit no more */
 	/* than maxReq distinct unanswered SMBs to the server when using  */
 	/* multiplexed reads or writes */
@@ -212,6 +211,7 @@ struct cifsSesInfo {
 	struct TCP_Server_Info *server;	/* pointer to server info */
 	int ses_count;		/* reference counter */
 	enum statusEnum status;
+	enum securityEnum secType;
 	unsigned overrideSecFlg;  /* if non-zero override global sec flags */
 	__u16 ipc_tid;		/* special tid for connection to IPC share */
 	__u16 flags;
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 2c6de17..227be2c 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -425,7 +425,7 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
 
 		if ((secFlags & CIFSSEC_MAY_LANMAN) ||
 			(secFlags & CIFSSEC_MAY_PLNTXT))
-			server->secType = LANMAN;
+			ses->secType = LANMAN;
 		else {
 			cERROR(1, ("mount failed weak security disabled"
 				   " in /proc/fs/cifs/SecurityFlags"));
@@ -521,20 +521,20 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
 				  " but client support disabled"));
 
 	if ((secFlags & CIFSSEC_MUST_NTLMV2) == CIFSSEC_MUST_NTLMV2)
-		server->secType = NTLMv2;
+		ses->secType = NTLMv2;
 	else if (secFlags & CIFSSEC_MAY_NTLM)
-		server->secType = NTLM;
+		ses->secType = NTLM;
 	else if (secFlags & CIFSSEC_MAY_NTLMV2)
-		server->secType = NTLMv2;
+		ses->secType = NTLMv2;
 	else if (secFlags & CIFSSEC_MAY_KRB5)
-		server->secType = Kerberos;
+		ses->secType = Kerberos;
 	else if (secFlags & CIFSSEC_MAY_NTLMSSP)
-		server->secType = RawNTLMSSP;
+		ses->secType = RawNTLMSSP;
 	else if (secFlags & CIFSSEC_MAY_LANMAN)
-		server->secType = LANMAN;
+		ses->secType = LANMAN;
 /* #ifdef CONFIG_CIFS_EXPERIMENTAL
 	else if (secFlags & CIFSSEC_MAY_PLNTXT)
-		server->secType = ??
+		ses->secType = ??
 #endif */
 	else {
 		rc = -EOPNOTSUPP;
@@ -593,12 +593,12 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
 		}
 
 		if (count == 16) {
-			server->secType = RawNTLMSSP;
+			ses->secType = RawNTLMSSP;
 		} else {
 			rc = decode_negTokenInit(pSMBr->u.extended_response.
 						 SecurityBlob,
 						 count - 16,
-						 &server->secType);
+						 &ses->secType);
 			if (rc == 1)
 				rc = 0;
 			else
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 9dc817d..3e1efc6 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -2752,7 +2752,7 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
 		   NTLMv2 password here) */
 #ifdef CONFIG_CIFS_WEAK_PW_HASH
 		if ((extended_security & CIFSSEC_MAY_LANMAN) &&
-		    (ses->server->secType == LANMAN))
+		    (ses->secType == LANMAN))
 			calc_lanman_hash(tcon->password, ses->server->cryptKey,
 					 ses->server->secMode &
 					    SECMODE_PW_ENCRYPT ? true : false,
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index aaa9c1c..63da915 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -580,7 +580,7 @@ CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, int first_time,
 	if (ses == NULL)
 		return -EINVAL;
 
-	type = ses->server->secType;
+	type = ses->secType;
 
 	cFYI(1, ("sess setup type %d", type));
 ssetup_ntlmssp_authenticate:
-- 
1.6.6.1