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-rw-r--r--fs/cifs/cifsglob.h71
1 files changed, 47 insertions, 24 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 006eb33bff5f..6d7cf5f3bc0b 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -88,7 +88,8 @@ enum statusEnum {
};
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 */
@@ -157,7 +158,7 @@ struct TCP_Server_Info {
/* 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];
};
/*
@@ -179,10 +180,13 @@ struct cifsUidInfo {
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 */
@@ -194,7 +198,7 @@ struct cifsSesInfo {
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 */
@@ -209,12 +213,12 @@ struct cifsTconInfo {
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;
@@ -254,7 +258,7 @@ struct cifsTconInfo {
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;
@@ -305,7 +309,6 @@ struct cifsFileInfo {
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;
};
@@ -391,9 +394,9 @@ struct mid_q_entry {
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 @@ struct dir_notify_req {
#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
@@ -500,16 +523,16 @@ GLOBAL_EXTERN rwlock_t GlobalSMBSeslock; /* protects list inserts on 3 above */
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];
/*
@@ -531,7 +554,7 @@ GLOBAL_EXTERN atomic_t smBufAllocCount;
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 */
@@ -540,8 +563,8 @@ GLOBAL_EXTERN unsigned int experimEnabled;
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 */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.