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-rw-r--r--fs/cifs/connect.c30
-rw-r--r--fs/cifs/ntlmssp.h68
2 files changed, 57 insertions, 41 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 9d2ebab53db..5bce2778163 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -2686,13 +2686,13 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid,
/* setup pointers to domain name and workstation name */
bcc_ptr += SecurityBlobLength;
- SecurityBlob->WorkstationName.Buffer = 0;
+ SecurityBlob->WorkstationName.BufferOffset = 0;
SecurityBlob->WorkstationName.Length = 0;
SecurityBlob->WorkstationName.MaximumLength = 0;
/* Domain not sent on first Sesssetup in NTLMSSP, instead it is sent
along with username on auth request (ie the response to challenge) */
- SecurityBlob->DomainName.Buffer = 0;
+ SecurityBlob->DomainName.BufferOffset = 0;
SecurityBlob->DomainName.Length = 0;
SecurityBlob->DomainName.MaximumLength = 0;
if (ses->capabilities & CAP_UNICODE) {
@@ -3020,30 +3020,30 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses,
/* setup pointers to domain name and workstation name */
- SecurityBlob->WorkstationName.Buffer = 0;
+ SecurityBlob->WorkstationName.BufferOffset = 0;
SecurityBlob->WorkstationName.Length = 0;
SecurityBlob->WorkstationName.MaximumLength = 0;
SecurityBlob->SessionKey.Length = 0;
SecurityBlob->SessionKey.MaximumLength = 0;
- SecurityBlob->SessionKey.Buffer = 0;
+ SecurityBlob->SessionKey.BufferOffset = 0;
SecurityBlob->LmChallengeResponse.Length = 0;
SecurityBlob->LmChallengeResponse.MaximumLength = 0;
- SecurityBlob->LmChallengeResponse.Buffer = 0;
+ SecurityBlob->LmChallengeResponse.BufferOffset = 0;
SecurityBlob->NtChallengeResponse.Length =
cpu_to_le16(CIFS_SESS_KEY_SIZE);
SecurityBlob->NtChallengeResponse.MaximumLength =
cpu_to_le16(CIFS_SESS_KEY_SIZE);
memcpy(bcc_ptr, ntlm_session_key, CIFS_SESS_KEY_SIZE);
- SecurityBlob->NtChallengeResponse.Buffer =
+ SecurityBlob->NtChallengeResponse.BufferOffset =
cpu_to_le32(SecurityBlobLength);
SecurityBlobLength += CIFS_SESS_KEY_SIZE;
bcc_ptr += CIFS_SESS_KEY_SIZE;
if (ses->capabilities & CAP_UNICODE) {
if (domain == NULL) {
- SecurityBlob->DomainName.Buffer = 0;
+ SecurityBlob->DomainName.BufferOffset = 0;
SecurityBlob->DomainName.Length = 0;
SecurityBlob->DomainName.MaximumLength = 0;
} else {
@@ -3052,14 +3052,14 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses,
ln *= 2;
SecurityBlob->DomainName.MaximumLength =
cpu_to_le16(ln);
- SecurityBlob->DomainName.Buffer =
+ SecurityBlob->DomainName.BufferOffset =
cpu_to_le32(SecurityBlobLength);
bcc_ptr += ln;
SecurityBlobLength += ln;
SecurityBlob->DomainName.Length = cpu_to_le16(ln);
}
if (user == NULL) {
- SecurityBlob->UserName.Buffer = 0;
+ SecurityBlob->UserName.BufferOffset = 0;
SecurityBlob->UserName.Length = 0;
SecurityBlob->UserName.MaximumLength = 0;
} else {
@@ -3068,7 +3068,7 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses,
ln *= 2;
SecurityBlob->UserName.MaximumLength =
cpu_to_le16(ln);
- SecurityBlob->UserName.Buffer =
+ SecurityBlob->UserName.BufferOffset =
cpu_to_le32(SecurityBlobLength);
bcc_ptr += ln;
SecurityBlobLength += ln;
@@ -3080,7 +3080,7 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses,
SecurityBlob->WorkstationName.Length *= 2;
SecurityBlob->WorkstationName.MaximumLength =
cpu_to_le16(SecurityBlob->WorkstationName.Length);
- SecurityBlob->WorkstationName.Buffer =
+ SecurityBlob->WorkstationName.BufferOffset =
cpu_to_le32(SecurityBlobLength);
bcc_ptr += SecurityBlob->WorkstationName.Length;
SecurityBlobLength += SecurityBlob->WorkstationName.Length;
@@ -3112,7 +3112,7 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses,
bcc_ptr += 2; /* null domain */
} else { /* ASCII */
if (domain == NULL) {
- SecurityBlob->DomainName.Buffer = 0;
+ SecurityBlob->DomainName.BufferOffset = 0;
SecurityBlob->DomainName.Length = 0;
SecurityBlob->DomainName.MaximumLength = 0;
} else {
@@ -3122,14 +3122,14 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses,
ln = strnlen(domain, 64);
SecurityBlob->DomainName.MaximumLength =
cpu_to_le16(ln);
- SecurityBlob->DomainName.Buffer =
+ SecurityBlob->DomainName.BufferOffset =
cpu_to_le32(SecurityBlobLength);
bcc_ptr += ln;
SecurityBlobLength += ln;
SecurityBlob->DomainName.Length = cpu_to_le16(ln);
}
if (user == NULL) {
- SecurityBlob->UserName.Buffer = 0;
+ SecurityBlob->UserName.BufferOffset = 0;
SecurityBlob->UserName.Length = 0;
SecurityBlob->UserName.MaximumLength = 0;
} else {
@@ -3137,7 +3137,7 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses,
strncpy(bcc_ptr, user, 63);
ln = strnlen(user, 64);
SecurityBlob->UserName.MaximumLength = cpu_to_le16(ln);
- SecurityBlob->UserName.Buffer =
+ SecurityBlob->UserName.BufferOffset =
cpu_to_le32(SecurityBlobLength);
bcc_ptr += ln;
SecurityBlobLength += ln;
diff --git a/fs/cifs/ntlmssp.h b/fs/cifs/ntlmssp.h
index c377d8065d9..49c9a4e7531 100644
--- a/fs/cifs/ntlmssp.h
+++ b/fs/cifs/ntlmssp.h
@@ -27,29 +27,39 @@
#define UnknownMessage cpu_to_le32(8)
/* Negotiate Flags */
-#define NTLMSSP_NEGOTIATE_UNICODE 0x01 /* Text strings are in unicode */
-#define NTLMSSP_NEGOTIATE_OEM 0x02 /* Text strings are in OEM */
-#define NTLMSSP_REQUEST_TARGET 0x04 /* Server return its auth realm */
-#define NTLMSSP_NEGOTIATE_SIGN 0x0010 /* Request signature capability */
-#define NTLMSSP_NEGOTIATE_SEAL 0x0020 /* Request confidentiality */
-#define NTLMSSP_NEGOTIATE_DGRAM 0x0040
-#define NTLMSSP_NEGOTIATE_LM_KEY 0x0080 /* Sign/seal use LM session key */
-#define NTLMSSP_NEGOTIATE_NTLM 0x0200 /* NTLM authentication */
-#define NTLMSSP_NEGOTIATE_DOMAIN_SUPPLIED 0x1000
+#define NTLMSSP_NEGOTIATE_UNICODE 0x01 /* Text strings are unicode */
+#define NTLMSSP_NEGOTIATE_OEM 0x02 /* Text strings are in OEM */
+#define NTLMSSP_REQUEST_TARGET 0x04 /* Srv returns its auth realm */
+/* define reserved9 0x08 */
+#define NTLMSSP_NEGOTIATE_SIGN 0x0010 /* Request signing capability */
+#define NTLMSSP_NEGOTIATE_SEAL 0x0020 /* Request confidentiality */
+#define NTLMSSP_NEGOTIATE_DGRAM 0x0040
+#define NTLMSSP_NEGOTIATE_LM_KEY 0x0080 /* Use LM session key */
+/* defined reserved 8 0x0100 */
+#define NTLMSSP_NEGOTIATE_NTLM 0x0200 /* NTLM authentication */
+#define NTLMSSP_NEGOTIATE_NT_ONLY 0x0400 /* Lanman not allowed */
+#define NTLMSSP_ANONYMOUS 0x0800
+#define NTLMSSP_NEGOTIATE_DOMAIN_SUPPLIED 0x1000 /* reserved6 */
#define NTLMSSP_NEGOTIATE_WORKSTATION_SUPPLIED 0x2000
-#define NTLMSSP_NEGOTIATE_LOCAL_CALL 0x4000 /* client/server on same machine */
-#define NTLMSSP_NEGOTIATE_ALWAYS_SIGN 0x8000 /* Sign for all security levels */
-#define NTLMSSP_TARGET_TYPE_DOMAIN 0x10000
-#define NTLMSSP_TARGET_TYPE_SERVER 0x20000
-#define NTLMSSP_TARGET_TYPE_SHARE 0x40000
-#define NTLMSSP_NEGOTIATE_NTLMV2 0x80000
-#define NTLMSSP_REQUEST_INIT_RESP 0x100000
-#define NTLMSSP_REQUEST_ACCEPT_RESP 0x200000
-#define NTLMSSP_REQUEST_NOT_NT_KEY 0x400000
+#define NTLMSSP_NEGOTIATE_LOCAL_CALL 0x4000 /* client/server same machine */
+#define NTLMSSP_NEGOTIATE_ALWAYS_SIGN 0x8000 /* Sign. All security levels */
+#define NTLMSSP_TARGET_TYPE_DOMAIN 0x10000
+#define NTLMSSP_TARGET_TYPE_SERVER 0x20000
+#define NTLMSSP_TARGET_TYPE_SHARE 0x40000
+#define NTLMSSP_NEGOTIATE_EXTENDED_SEC 0x80000 /* NB:not related to NTLMv2 pwd*/
+/* #define NTLMSSP_REQUEST_INIT_RESP 0x100000 */
+#define NTLMSSP_NEGOTIATE_IDENTIFY 0x100000
+#define NTLMSSP_REQUEST_ACCEPT_RESP 0x200000 /* reserved5 */
+#define NTLMSSP_REQUEST_NON_NT_KEY 0x400000
#define NTLMSSP_NEGOTIATE_TARGET_INFO 0x800000
-#define NTLMSSP_NEGOTIATE_128 0x20000000
-#define NTLMSSP_NEGOTIATE_KEY_XCH 0x40000000
-#define NTLMSSP_NEGOTIATE_56 0x80000000
+/* #define reserved4 0x1000000 */
+#define NTLMSSP_NEGOTIATE_VERSION 0x2000000 /* we do not set */
+/* #define reserved3 0x4000000 */
+/* #define reserved2 0x8000000 */
+/* #define reserved1 0x10000000 */
+#define NTLMSSP_NEGOTIATE_128 0x20000000
+#define NTLMSSP_NEGOTIATE_KEY_XCH 0x40000000
+#define NTLMSSP_NEGOTIATE_56 0x80000000
/* Although typedefs are not commonly used for structure definitions */
/* in the Linux kernel, in this particular case they are useful */
@@ -60,32 +70,36 @@
typedef struct _SECURITY_BUFFER {
__le16 Length;
__le16 MaximumLength;
- __le32 Buffer; /* offset to buffer */
+ __le32 BufferOffset; /* offset to buffer */
} __attribute__((packed)) SECURITY_BUFFER;
typedef struct _NEGOTIATE_MESSAGE {
__u8 Signature[sizeof(NTLMSSP_SIGNATURE)];
- __le32 MessageType; /* 1 */
+ __le32 MessageType; /* NtLmNegotiate = 1 */
__le32 NegotiateFlags;
SECURITY_BUFFER DomainName; /* RFC 1001 style and ASCII */
SECURITY_BUFFER WorkstationName; /* RFC 1001 and ASCII */
+ /* SECURITY_BUFFER for version info not present since we
+ do not set the version is present flag */
char DomainString[0];
/* followed by WorkstationString */
} __attribute__((packed)) NEGOTIATE_MESSAGE, *PNEGOTIATE_MESSAGE;
typedef struct _CHALLENGE_MESSAGE {
__u8 Signature[sizeof(NTLMSSP_SIGNATURE)];
- __le32 MessageType; /* 2 */
+ __le32 MessageType; /* NtLmChallenge = 2 */
SECURITY_BUFFER TargetName;
__le32 NegotiateFlags;
__u8 Challenge[CIFS_CRYPTO_KEY_SIZE];
__u8 Reserved[8];
SECURITY_BUFFER TargetInfoArray;
+ /* SECURITY_BUFFER for version info not present since we
+ do not set the version is present flag */
} __attribute__((packed)) CHALLENGE_MESSAGE, *PCHALLENGE_MESSAGE;
typedef struct _AUTHENTICATE_MESSAGE {
- __u8 Signature[sizeof (NTLMSSP_SIGNATURE)];
- __le32 MessageType; /* 3 */
+ __u8 Signature[sizeof(NTLMSSP_SIGNATURE)];
+ __le32 MessageType; /* NtLmsAuthenticate = 3 */
SECURITY_BUFFER LmChallengeResponse;
SECURITY_BUFFER NtChallengeResponse;
SECURITY_BUFFER DomainName;
@@ -93,5 +107,7 @@ typedef struct _AUTHENTICATE_MESSAGE {
SECURITY_BUFFER WorkstationName;
SECURITY_BUFFER SessionKey;
__le32 NegotiateFlags;
+ /* SECURITY_BUFFER for version info not present since we
+ do not set the version is present flag */
char UserString[0];
} __attribute__((packed)) AUTHENTICATE_MESSAGE, *PAUTHENTICATE_MESSAGE;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-15 15:41:51 +0000