/*
* fs/cifs/cifsglob.h
*
- * Copyright (C) International Business Machines Corp., 2002,2005
+ * Copyright (C) International Business Machines Corp., 2002,2006
* Author(s): Steve French (sfrench@us.ibm.com)
+ * Jeremy Allison (jra@samba.org)
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
};
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 */
char sessid[4]; /* unique token id for this session */
/* (returned on Negotiate */
int capabilities; /* allow selective disabling of caps by smb sess */
- __u16 timeZone;
+ int timeAdj; /* Adjust for difference in server time zone in sec */
__u16 CurrentMid; /* multiplex id - rotating counter */
char cryptKey[CIFS_CRYPTO_KEY_SIZE];
/* 16th byte of RFC1001 workstation name is always null */
char workstation_RFC1001_name[SERVER_NAME_LEN_WITH_NULL];
__u32 sequence_number; /* needed for CIFS PDU signature */
- char mac_signing_key[CIFS_SESSION_KEY_SIZE + 16];
+ char mac_signing_key[CIFS_SESS_KEY_SIZE + 16];
+ unsigned long lstrp; /* when we got last response from this server */
};
/*
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;
+ unsigned overrideSecFlg; /* if non-zero override global sec flags */
__u16 ipc_tid; /* special tid for connection to IPC share */
__u16 flags;
char *serverOS; /* name of operating system underlying server */
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 */
+/* no more than one of the following three session flags may be set */
#define CIFS_SES_NT4 1
-
+#define CIFS_SES_OS2 2
+#define CIFS_SES_W9X 4
+/* following flag is set for old servers such as OS2 (and Win95?)
+ which do not negotiate NTLM or POSIX dialects, but instead
+ negotiate one of the older LANMAN dialects */
+#define CIFS_SES_LANMAN 8
/*
* there is one of these for each connection to a resource on a particular
* session
struct list_head openFileList;
struct semaphore tconSem;
struct cifsSesInfo *ses; /* pointer to session associated with */
- char treeName[MAX_TREE_SIZE + 1]; /* UNC name of resource (in ASCII not UTF) */
+ char treeName[MAX_TREE_SIZE + 1]; /* UNC name of resource in ASCII */
char *nativeFileSystem;
__u16 tid; /* The 2 byte tree id */
__u16 Flags; /* optional support bits */
enum statusEnum tidStatus;
- atomic_t useCount; /* how many mounts (explicit or implicit) to this share */
+ atomic_t useCount; /* how many explicit/implicit mounts to share */
#ifdef CONFIG_CIFS_STATS
atomic_t num_smbs_sent;
atomic_t num_writes;
spinlock_t stat_lock;
#endif /* CONFIG_CIFS_STATS */
FILE_SYSTEM_DEVICE_INFO fsDevInfo;
- FILE_SYSTEM_ATTRIBUTE_INFO fsAttrInfo; /* ok if file system name truncated */
+ FILE_SYSTEM_ATTRIBUTE_INFO fsAttrInfo; /* ok if fs name truncated */
FILE_SYSTEM_UNIX_INFO fsUnixInfo;
unsigned retry:1;
unsigned nocase:1;
};
/*
- * This info hangs off the cifsFileInfo structure. This is used to track
- * byte stream locks on the file
+ * This info hangs off the cifsFileInfo structure, pointed to by llist.
+ * This is used to track byte stream locks on the file
*/
struct cifsLockInfo {
- struct cifsLockInfo *next;
- int start;
- int length;
- int type;
+ struct list_head llist; /* pointer to next cifsLockInfo */
+ __u64 offset;
+ __u64 length;
+ __u8 type;
};
/*
/* lock scope id (0 if none) */
struct file * pfile; /* needed for writepage */
struct inode * pInode; /* needed for oplock break */
+ struct semaphore lock_sem;
+ struct list_head llist; /* list of byte range locks we have. */
unsigned closePend:1; /* file is marked to close */
unsigned invalidHandle:1; /* file closed via session abend */
atomic_t wrtPending; /* handle in use - defer close */
struct semaphore fh_sem; /* prevents reopen race after dead ses*/
char * search_resume_name; /* BB removeme BB */
- unsigned int resume_name_length; /* BB removeme - field renamed and moved BB */
struct cifs_search_info srch_inf;
};
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 {
#define CIFS_LARGE_BUFFER 2
#define CIFS_IOVEC 4 /* array of response buffers */
+/* 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
* This list helps improve performance and eliminate the messages indicating
* that we had a communications error talking to the server in this list.
*/
-GLOBAL_EXTERN struct servers_not_supported *NotSuppList; /*@z4a */
+/* Feature not supported */
+/* GLOBAL_EXTERN struct servers_not_supported *NotSuppList; */
/*
* The following is a hash table of all the users we know about.
GLOBAL_EXTERN struct list_head GlobalOplock_Q;
GLOBAL_EXTERN struct list_head GlobalDnotifyReqList; /* Outstanding dir notify requests */
-GLOBAL_EXTERN struct list_head GlobalDnotifyRsp_Q; /* Dir notify response queue */
+GLOBAL_EXTERN struct list_head GlobalDnotifyRsp_Q;/* DirNotify response queue */
/*
* Global transaction id (XID) information
*/
GLOBAL_EXTERN unsigned int GlobalCurrentXid; /* protected by GlobalMid_Sem */
-GLOBAL_EXTERN unsigned int GlobalTotalActiveXid; /* prot by GlobalMid_Sem */
+GLOBAL_EXTERN unsigned int GlobalTotalActiveXid; /* prot by GlobalMid_Sem */
GLOBAL_EXTERN unsigned int GlobalMaxActiveXid; /* prot by GlobalMid_Sem */
-GLOBAL_EXTERN spinlock_t GlobalMid_Lock; /* protects above and list operations */
- /* on midQ entries */
+GLOBAL_EXTERN spinlock_t GlobalMid_Lock; /* protects above & list operations */
+ /* on midQ entries */
GLOBAL_EXTERN char Local_System_Name[15];
/*
GLOBAL_EXTERN atomic_t midCount;
/* Misc globals */
-GLOBAL_EXTERN unsigned int multiuser_mount; /* if enabled allows new sessions
+GLOBAL_EXTERN unsigned int multiuser_mount; /* if enabled allows new sessions
to be established on existing mount if we
have the uid/password or Kerberos credential
or equivalent for current user */
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 linuxExtEnabled;/*enable Linux/Unix CIFS extensions*/
GLOBAL_EXTERN unsigned int CIFSMaxBufSize; /* max size not including hdr */
git://git.onelab.eu / linux-2.6.git / blobdiff