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authorRonnie Sahlberg2021-11-03 08:44:38 +0900
committerSteve French2021-11-11 19:22:58 -0600
commitd6c9ad23b42104f5921e876699a484a57c2b90ff (patch)
tree70e940dd151cf6c4f19663079da3b05329a341cd /fs
parent4355a8fd816348b2cc781aed0f8643a6910eb2b1 (diff)
ksmbd: use the common definitions for NEGOTIATE_PROTOCOL
Acked-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/ksmbd/smb2ops.c8
-rw-r--r--fs/ksmbd/smb2pdu.c20
-rw-r--r--fs/ksmbd/smb2pdu.h143
-rw-r--r--fs/ksmbd/smb_common.h11
4 files changed, 15 insertions, 167 deletions
diff --git a/fs/ksmbd/smb2ops.c b/fs/ksmbd/smb2ops.c
index 5a2dc12249ac..0a5d8450e835 100644
--- a/fs/ksmbd/smb2ops.c
+++ b/fs/ksmbd/smb2ops.c
@@ -198,7 +198,7 @@ void init_smb2_1_server(struct ksmbd_conn *conn)
conn->cmds = smb2_0_server_cmds;
conn->max_cmds = ARRAY_SIZE(smb2_0_server_cmds);
conn->max_credits = SMB2_MAX_CREDITS;
- conn->signing_algorithm = SIGNING_ALG_HMAC_SHA256;
+ conn->signing_algorithm = SIGNING_ALG_HMAC_SHA256_LE;
if (server_conf.flags & KSMBD_GLOBAL_FLAG_SMB2_LEASES)
conn->vals->capabilities |= SMB2_GLOBAL_CAP_LEASING;
@@ -216,7 +216,7 @@ void init_smb3_0_server(struct ksmbd_conn *conn)
conn->cmds = smb2_0_server_cmds;
conn->max_cmds = ARRAY_SIZE(smb2_0_server_cmds);
conn->max_credits = SMB2_MAX_CREDITS;
- conn->signing_algorithm = SIGNING_ALG_AES_CMAC;
+ conn->signing_algorithm = SIGNING_ALG_AES_CMAC_LE;
if (server_conf.flags & KSMBD_GLOBAL_FLAG_SMB2_LEASES)
conn->vals->capabilities |= SMB2_GLOBAL_CAP_LEASING;
@@ -241,7 +241,7 @@ void init_smb3_02_server(struct ksmbd_conn *conn)
conn->cmds = smb2_0_server_cmds;
conn->max_cmds = ARRAY_SIZE(smb2_0_server_cmds);
conn->max_credits = SMB2_MAX_CREDITS;
- conn->signing_algorithm = SIGNING_ALG_AES_CMAC;
+ conn->signing_algorithm = SIGNING_ALG_AES_CMAC_LE;
if (server_conf.flags & KSMBD_GLOBAL_FLAG_SMB2_LEASES)
conn->vals->capabilities |= SMB2_GLOBAL_CAP_LEASING;
@@ -266,7 +266,7 @@ int init_smb3_11_server(struct ksmbd_conn *conn)
conn->cmds = smb2_0_server_cmds;
conn->max_cmds = ARRAY_SIZE(smb2_0_server_cmds);
conn->max_credits = SMB2_MAX_CREDITS;
- conn->signing_algorithm = SIGNING_ALG_AES_CMAC;
+ conn->signing_algorithm = SIGNING_ALG_AES_CMAC_LE;
if (server_conf.flags & KSMBD_GLOBAL_FLAG_SMB2_LEASES)
conn->vals->capabilities |= SMB2_GLOBAL_CAP_LEASING;
diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c
index ad8ddeb5156d..00fba2968339 100644
--- a/fs/ksmbd/smb2pdu.c
+++ b/fs/ksmbd/smb2pdu.c
@@ -751,16 +751,16 @@ static void build_encrypt_ctxt(struct smb2_encryption_neg_context *pneg_ctxt,
pneg_ctxt->Ciphers[0] = cipher_type;
}
-static void build_compression_ctxt(struct smb2_compression_ctx *pneg_ctxt,
+static void build_compression_ctxt(struct smb2_compression_capabilities_context *pneg_ctxt,
__le16 comp_algo)
{
pneg_ctxt->ContextType = SMB2_COMPRESSION_CAPABILITIES;
pneg_ctxt->DataLength =
- cpu_to_le16(sizeof(struct smb2_compression_ctx)
+ cpu_to_le16(sizeof(struct smb2_compression_capabilities_context)
- sizeof(struct smb2_neg_context));
pneg_ctxt->Reserved = cpu_to_le32(0);
pneg_ctxt->CompressionAlgorithmCount = cpu_to_le16(1);
- pneg_ctxt->Reserved1 = cpu_to_le32(0);
+ pneg_ctxt->Flags = cpu_to_le32(0);
pneg_ctxt->CompressionAlgorithms[0] = comp_algo;
}
@@ -837,12 +837,12 @@ static void assemble_neg_contexts(struct ksmbd_conn *conn,
ksmbd_debug(SMB,
"assemble SMB2_COMPRESSION_CAPABILITIES context\n");
/* Temporarily set to SMB3_COMPRESS_NONE */
- build_compression_ctxt((struct smb2_compression_ctx *)pneg_ctxt,
+ build_compression_ctxt((struct smb2_compression_capabilities_context *)pneg_ctxt,
conn->compress_algorithm);
rsp->NegotiateContextCount = cpu_to_le16(++neg_ctxt_cnt);
- ctxt_size += sizeof(struct smb2_compression_ctx) + 2;
+ ctxt_size += sizeof(struct smb2_compression_capabilities_context) + 2;
/* Round to 8 byte boundary */
- pneg_ctxt += round_up(sizeof(struct smb2_compression_ctx) + 2,
+ pneg_ctxt += round_up(sizeof(struct smb2_compression_capabilities_context) + 2,
8);
}
@@ -916,7 +916,7 @@ static void decode_encrypt_ctxt(struct ksmbd_conn *conn,
}
static void decode_compress_ctxt(struct ksmbd_conn *conn,
- struct smb2_compression_ctx *pneg_ctxt)
+ struct smb2_compression_capabilities_context *pneg_ctxt)
{
conn->compress_algorithm = SMB3_COMPRESS_NONE;
}
@@ -937,8 +937,8 @@ static void decode_sign_cap_ctxt(struct ksmbd_conn *conn,
}
for (i = 0; i < sign_algo_cnt; i++) {
- if (pneg_ctxt->SigningAlgorithms[i] == SIGNING_ALG_HMAC_SHA256 ||
- pneg_ctxt->SigningAlgorithms[i] == SIGNING_ALG_AES_CMAC) {
+ if (pneg_ctxt->SigningAlgorithms[i] == SIGNING_ALG_HMAC_SHA256_LE ||
+ pneg_ctxt->SigningAlgorithms[i] == SIGNING_ALG_AES_CMAC_LE) {
ksmbd_debug(SMB, "Signing Algorithm ID = 0x%x\n",
pneg_ctxt->SigningAlgorithms[i]);
conn->signing_negotiated = true;
@@ -1009,7 +1009,7 @@ static __le32 deassemble_neg_contexts(struct ksmbd_conn *conn,
break;
decode_compress_ctxt(conn,
- (struct smb2_compression_ctx *)pctx);
+ (struct smb2_compression_capabilities_context *)pctx);
} else if (pctx->ContextType == SMB2_NETNAME_NEGOTIATE_CONTEXT_ID) {
ksmbd_debug(SMB,
"deassemble SMB2_NETNAME_NEGOTIATE_CONTEXT_ID context\n");
diff --git a/fs/ksmbd/smb2pdu.h b/fs/ksmbd/smb2pdu.h
index 15437d0c1aaf..c7aab0a68de0 100644
--- a/fs/ksmbd/smb2pdu.h
+++ b/fs/ksmbd/smb2pdu.h
@@ -42,9 +42,6 @@
/* SMB2 Max Credits */
#define SMB2_MAX_CREDITS 8192
-#define SMB2_CLIENT_GUID_SIZE 16
-#define SMB2_CREATE_GUID_SIZE 16
-
/* Maximum buffer size value we can send with 1 credit */
#define SMB2_MAX_BUFFER_SIZE 65536
@@ -80,48 +77,11 @@ struct smb2_err_rsp {
__u8 ErrorData[1]; /* variable length */
} __packed;
-struct smb2_negotiate_req {
- struct smb2_hdr hdr;
- __le16 StructureSize; /* Must be 36 */
- __le16 DialectCount;
- __le16 SecurityMode;
- __le16 Reserved; /* MBZ */
- __le32 Capabilities;
- __u8 ClientGUID[SMB2_CLIENT_GUID_SIZE];
- /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */
- __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */
- __le16 NegotiateContextCount; /* SMB3.1.1 only. MBZ earlier */
- __le16 Reserved2;
- __le16 Dialects[1]; /* One dialect (vers=) at a time for now */
-} __packed;
-
-/* SecurityMode flags */
-#define SMB2_NEGOTIATE_SIGNING_ENABLED_LE cpu_to_le16(0x0001)
-#define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002
-#define SMB2_NEGOTIATE_SIGNING_REQUIRED_LE cpu_to_le16(0x0002)
-/* Capabilities flags */
-#define SMB2_GLOBAL_CAP_DFS 0x00000001
-#define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */
-#define SMB2_GLOBAL_CAP_LARGE_MTU 0X00000004 /* Resp only New to SMB2.1 */
-#define SMB2_GLOBAL_CAP_MULTI_CHANNEL 0x00000008 /* New to SMB3 */
-#define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */
-#define SMB2_GLOBAL_CAP_DIRECTORY_LEASING 0x00000020 /* New to SMB3 */
-#define SMB2_GLOBAL_CAP_ENCRYPTION 0x00000040 /* New to SMB3 */
-/* Internal types */
-#define SMB2_NT_FIND 0x00100000
-#define SMB2_LARGE_FILES 0x00200000
-
-#define SMB311_SALT_SIZE 32
-/* Hash Algorithm Types */
-#define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001)
-
-#define PREAUTH_HASHVALUE_SIZE 64
-
struct preauth_integrity_info {
/* PreAuth integrity Hash ID */
__le16 Preauth_HashId;
/* PreAuth integrity Hash Value */
- __u8 Preauth_HashValue[PREAUTH_HASHVALUE_SIZE];
+ __u8 Preauth_HashValue[SMB2_PREAUTH_HASH_SIZE];
};
/* offset is sizeof smb2_negotiate_rsp but rounded up to 8 bytes. */
@@ -137,107 +97,6 @@ struct preauth_integrity_info {
#define OFFSET_OF_NEG_CONTEXT 0xd0
#endif
-#define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1)
-#define SMB2_ENCRYPTION_CAPABILITIES cpu_to_le16(2)
-#define SMB2_COMPRESSION_CAPABILITIES cpu_to_le16(3)
-#define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID cpu_to_le16(5)
-#define SMB2_SIGNING_CAPABILITIES cpu_to_le16(8)
-#define SMB2_POSIX_EXTENSIONS_AVAILABLE cpu_to_le16(0x100)
-
-struct smb2_neg_context {
- __le16 ContextType;
- __le16 DataLength;
- __le32 Reserved;
- /* Followed by array of data */
-} __packed;
-
-struct smb2_preauth_neg_context {
- __le16 ContextType; /* 1 */
- __le16 DataLength;
- __le32 Reserved;
- __le16 HashAlgorithmCount; /* 1 */
- __le16 SaltLength;
- __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */
- __u8 Salt[SMB311_SALT_SIZE];
-} __packed;
-
-/* Encryption Algorithms Ciphers */
-#define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001)
-#define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002)
-#define SMB2_ENCRYPTION_AES256_CCM cpu_to_le16(0x0003)
-#define SMB2_ENCRYPTION_AES256_GCM cpu_to_le16(0x0004)
-
-struct smb2_encryption_neg_context {
- __le16 ContextType; /* 2 */
- __le16 DataLength;
- __le32 Reserved;
- /* CipherCount usally 2, but can be 3 when AES256-GCM enabled */
- __le16 CipherCount; /* AES-128-GCM and AES-128-CCM by default */
- __le16 Ciphers[];
-} __packed;
-
-#define SMB3_COMPRESS_NONE cpu_to_le16(0x0000)
-#define SMB3_COMPRESS_LZNT1 cpu_to_le16(0x0001)
-#define SMB3_COMPRESS_LZ77 cpu_to_le16(0x0002)
-#define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003)
-
-struct smb2_compression_ctx {
- __le16 ContextType; /* 3 */
- __le16 DataLength;
- __le32 Reserved;
- __le16 CompressionAlgorithmCount;
- __u16 Padding;
- __le32 Reserved1;
- __le16 CompressionAlgorithms[];
-} __packed;
-
-#define POSIX_CTXT_DATA_LEN 16
-struct smb2_posix_neg_context {
- __le16 ContextType; /* 0x100 */
- __le16 DataLength;
- __le32 Reserved;
- __u8 Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */
-} __packed;
-
-struct smb2_netname_neg_context {
- __le16 ContextType; /* 0x100 */
- __le16 DataLength;
- __le32 Reserved;
- __le16 NetName[]; /* hostname of target converted to UCS-2 */
-} __packed;
-
-/* Signing algorithms */
-#define SIGNING_ALG_HMAC_SHA256 cpu_to_le16(0)
-#define SIGNING_ALG_AES_CMAC cpu_to_le16(1)
-#define SIGNING_ALG_AES_GMAC cpu_to_le16(2)
-
-struct smb2_signing_capabilities {
- __le16 ContextType; /* 8 */
- __le16 DataLength;
- __le32 Reserved;
- __le16 SigningAlgorithmCount;
- __le16 SigningAlgorithms[];
-} __packed;
-
-struct smb2_negotiate_rsp {
- struct smb2_hdr hdr;
- __le16 StructureSize; /* Must be 65 */
- __le16 SecurityMode;
- __le16 DialectRevision;
- __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */
- __u8 ServerGUID[16];
- __le32 Capabilities;
- __le32 MaxTransactSize;
- __le32 MaxReadSize;
- __le32 MaxWriteSize;
- __le64 SystemTime; /* MBZ */
- __le64 ServerStartTime;
- __le16 SecurityBufferOffset;
- __le16 SecurityBufferLength;
- __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */
- __u8 Buffer[1]; /* variable length GSS security buffer */
-} __packed;
-
/* Flags */
#define SMB2_SESSION_REQ_FLAG_BINDING 0x01
#define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04
diff --git a/fs/ksmbd/smb_common.h b/fs/ksmbd/smb_common.h
index e7d698154699..8ed09ba782c2 100644
--- a/fs/ksmbd/smb_common.h
+++ b/fs/ksmbd/smb_common.h
@@ -33,17 +33,6 @@
#define SMB302_VERSION_STRING "3.02"
#define SMB311_VERSION_STRING "3.1.1"
-/* Dialects */
-#define SMB10_PROT_ID 0x00
-#define SMB20_PROT_ID 0x0202
-#define SMB21_PROT_ID 0x0210
-/* multi-protocol negotiate request */
-#define SMB2X_PROT_ID 0x02FF
-#define SMB30_PROT_ID 0x0300
-#define SMB302_PROT_ID 0x0302
-#define SMB311_PROT_ID 0x0311
-#define BAD_PROT_ID 0xFFFF
-
#define SMB_ECHO_INTERVAL (60 * HZ)
#define CIFS_DEFAULT_IOSIZE (64 * 1024)