--- /dev/null
+/*
+ * fs/cifs/ntlmssp.h
+ *
+ * Copyright (c) International Business Machines Corp., 2002,2007
+ * Author(s): Steve French (sfrench@us.ibm.com)
+ *
+ * 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
+ * by the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
+ * the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#define NTLMSSP_SIGNATURE "NTLMSSP"
+/* Message Types */
+#define NtLmNegotiate cpu_to_le32(1)
+#define NtLmChallenge cpu_to_le32(2)
+#define NtLmAuthenticate cpu_to_le32(3)
+#define UnknownMessage cpu_to_le32(8)
+
+/* Negotiate Flags */
+#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 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 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
+
+/* Define AV Pair Field IDs */
+enum av_field_type {
+ NTLMSSP_AV_EOL = 0,
+ NTLMSSP_AV_NB_COMPUTER_NAME,
+ NTLMSSP_AV_NB_DOMAIN_NAME,
+ NTLMSSP_AV_DNS_COMPUTER_NAME,
+ NTLMSSP_AV_DNS_DOMAIN_NAME,
+ NTLMSSP_AV_DNS_TREE_NAME,
+ NTLMSSP_AV_FLAGS,
+ NTLMSSP_AV_TIMESTAMP,
+ NTLMSSP_AV_RESTRICTION,
+ NTLMSSP_AV_TARGET_NAME,
+ NTLMSSP_AV_CHANNEL_BINDINGS
+};
+
+/* Although typedefs are not commonly used for structure definitions */
+/* in the Linux kernel, in this particular case they are useful */
+/* to more closely match the standards document for NTLMSSP from */
+/* OpenGroup and to make the code more closely match the standard in */
+/* appearance */
+
+typedef struct _SECURITY_BUFFER {
+ __le16 Length;
+ __le16 MaximumLength;
+ __le32 BufferOffset; /* offset to buffer */
+} __attribute__((packed)) SECURITY_BUFFER;
+
+typedef struct _NEGOTIATE_MESSAGE {
+ __u8 Signature[sizeof(NTLMSSP_SIGNATURE)];
+ __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; /* 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; /* NtLmsAuthenticate = 3 */
+ SECURITY_BUFFER LmChallengeResponse;
+ SECURITY_BUFFER NtChallengeResponse;
+ SECURITY_BUFFER DomainName;
+ SECURITY_BUFFER UserName;
+ 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;
+
+/*
+ * Size of the session key (crypto key encrypted with the password
+ */
+
+int decode_ntlmssp_challenge(char *bcc_ptr, int blob_len, struct cifs_ses *ses);
+void build_ntlmssp_negotiate_blob(unsigned char *pbuffer, struct cifs_ses *ses);
+int build_ntlmssp_auth_blob(unsigned char *pbuffer, u16 *buflen,
+ struct cifs_ses *ses,
+ const struct nls_table *nls_cp);
Code Review / kvmfornfv.git / blobdiff