[CIFS] Support for setting up SMB sessions to legacy lanman servers
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 006eb33..7a04204 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -88,7 +88,8 @@
};
enum securityEnum {
- NTLM = 0, /* Legacy NTLM012 auth with NTLM hash */
+ LANMAN = 0, /* Legacy LANMAN auth */
+ NTLM, /* Legacy NTLM012 auth with NTLM hash */
NTLMv2, /* Legacy NTLM auth with NTLMv2 hash */
RawNTLMSSP, /* NTLMSSP without SPNEGO */
NTLMSSP, /* NTLMSSP via SPNEGO */
@@ -179,7 +180,9 @@
struct cifsSesInfo {
struct list_head cifsSessionList;
struct semaphore sesSem;
+#if 0
struct cifsUidInfo *uidInfo; /* pointer to user info */
+#endif
struct TCP_Server_Info *server; /* pointer to server info */
atomic_t inUse; /* # of mounts (tree connections) on this ses */
enum statusEnum status;
@@ -194,7 +197,7 @@
char serverName[SERVER_NAME_LEN_WITH_NULL * 2]; /* BB make bigger for
TCP names - will ipv6 and sctp addresses fit? */
char userName[MAX_USERNAME_SIZE + 1];
- char domainName[MAX_USERNAME_SIZE + 1];
+ char * domainName;
char * password;
};
/* session flags */
@@ -391,9 +394,9 @@
struct smb_hdr *resp_buf; /* response buffer */
int midState; /* wish this were enum but can not pass to wait_event */
__u8 command; /* smb command code */
- unsigned multiPart:1; /* multiple responses to one SMB request */
unsigned largeBuf:1; /* if valid response, is pointer to large buf */
- unsigned multiResp:1; /* multiple trans2 responses for one request */
+ unsigned multiRsp:1; /* multiple trans2 responses for one request */
+ unsigned multiEnd:1; /* both received */
};
struct oplock_q_entry {
@@ -430,15 +433,35 @@
#define CIFS_LARGE_BUFFER 2
#define CIFS_IOVEC 4 /* array of response buffers */
-/* Type of session setup needed */
-#define CIFS_PLAINTEXT 0
-#define CIFS_LANMAN 1
-#define CIFS_NTLM 2
-#define CIFS_NTLMSSP_NEG 3
-#define CIFS_NTLMSSP_AUTH 4
-#define CIFS_SPNEGO_INIT 5
-#define CIFS_SPNEGO_TARG 6
+/* Security Flags: indicate type of session setup needed */
+#define CIFSSEC_MAY_SIGN 0x00001
+#define CIFSSEC_MAY_NTLM 0x00002
+#define CIFSSEC_MAY_NTLMV2 0x00004
+#define CIFSSEC_MAY_KRB5 0x00008
+#ifdef CONFIG_CIFS_WEAK_PW_HASH
+#define CIFSSEC_MAY_LANMAN 0x00010
+#define CIFSSEC_MAY_PLNTXT 0x00020
+#endif /* weak passwords */
+#define CIFSSEC_MAY_SEAL 0x00040 /* not supported yet */
+#define CIFSSEC_MUST_SIGN 0x01001
+/* note that only one of the following can be set so the
+result of setting MUST flags more than once will be to
+require use of the stronger protocol */
+#define CIFSSEC_MUST_NTLM 0x02002
+#define CIFSSEC_MUST_NTLMV2 0x04004
+#define CIFSSEC_MUST_KRB5 0x08008
+#ifdef CONFIG_CIFS_WEAK_PW_HASH
+#define CIFSSEC_MUST_LANMAN 0x10010
+#define CIFSSEC_MUST_PLNTXT 0x20020
+#define CIFSSEC_MASK 0x37037 /* current flags supported if weak */
+#else
+#define CIFSSEC_MASK 0x07007 /* flags supported if no weak config */
+#endif /* WEAK_PW_HASH */
+#define CIFSSEC_MUST_SEAL 0x40040 /* not supported yet */
+
+#define CIFSSEC_DEF CIFSSEC_MAY_SIGN | CIFSSEC_MAY_NTLM | CIFSSEC_MAY_NTLMV2
+#define CIFSSEC_MAX CIFSSEC_MUST_SIGN | CIFSSEC_MUST_NTLMV2
/*
*****************************************************************
* All constants go here
@@ -540,8 +563,8 @@
GLOBAL_EXTERN unsigned int lookupCacheEnabled;
GLOBAL_EXTERN unsigned int extended_security; /* if on, session setup sent
with more secure ntlmssp2 challenge/resp */
-GLOBAL_EXTERN unsigned int ntlmv2_support; /* better optional password hash */
GLOBAL_EXTERN unsigned int sign_CIFS_PDUs; /* enable smb packet signing */
+GLOBAL_EXTERN unsigned int secFlags;
GLOBAL_EXTERN unsigned int linuxExtEnabled;/*enable Linux/Unix CIFS extensions*/
GLOBAL_EXTERN unsigned int CIFSMaxBufSize; /* max size not including hdr */
GLOBAL_EXTERN unsigned int cifs_min_rcv; /* min size of big ntwrk buf pool */