1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Copyright (C) 2018 Samsung Electronics Co., Ltd.
11 #ifdef CONFIG_SMB_SERVER_KERBEROS5
12 #define AUTH_GSS_LENGTH 96
13 #define AUTH_GSS_PADDING 0
15 #define AUTH_GSS_LENGTH 74
16 #define AUTH_GSS_PADDING 6
19 #define CIFS_HMAC_MD5_HASH_SIZE (16)
20 #define CIFS_NTHASH_SIZE (16)
23 * Size of the ntlm client response
25 #define CIFS_AUTH_RESP_SIZE 24
26 #define CIFS_SMB1_SIGNATURE_SIZE 8
27 #define CIFS_SMB1_SESSKEY_SIZE 16
29 #define KSMBD_AUTH_NTLMSSP 0x0001
30 #define KSMBD_AUTH_KRB5 0x0002
31 #define KSMBD_AUTH_MSKRB5 0x0004
32 #define KSMBD_AUTH_KRB5U2U 0x0008
39 int ksmbd_crypt_message(struct ksmbd_work *work, struct kvec *iov,
40 unsigned int nvec, int enc);
41 void ksmbd_copy_gss_neg_header(void *buf);
42 int ksmbd_auth_ntlmv2(struct ksmbd_conn *conn, struct ksmbd_session *sess,
43 struct ntlmv2_resp *ntlmv2, int blen, char *domain_name,
45 int ksmbd_decode_ntlmssp_auth_blob(struct authenticate_message *authblob,
46 int blob_len, struct ksmbd_conn *conn,
47 struct ksmbd_session *sess);
48 int ksmbd_decode_ntlmssp_neg_blob(struct negotiate_message *negblob,
49 int blob_len, struct ksmbd_conn *conn);
51 ksmbd_build_ntlmssp_challenge_blob(struct challenge_message *chgblob,
52 struct ksmbd_conn *conn);
53 int ksmbd_krb5_authenticate(struct ksmbd_session *sess, char *in_blob,
54 int in_len, char *out_blob, int *out_len);
55 int ksmbd_sign_smb2_pdu(struct ksmbd_conn *conn, char *key, struct kvec *iov,
56 int n_vec, char *sig);
57 int ksmbd_sign_smb3_pdu(struct ksmbd_conn *conn, char *key, struct kvec *iov,
58 int n_vec, char *sig);
59 int ksmbd_gen_smb30_signingkey(struct ksmbd_session *sess,
60 struct ksmbd_conn *conn);
61 int ksmbd_gen_smb311_signingkey(struct ksmbd_session *sess,
62 struct ksmbd_conn *conn);
63 int ksmbd_gen_smb30_encryptionkey(struct ksmbd_conn *conn,
64 struct ksmbd_session *sess);
65 int ksmbd_gen_smb311_encryptionkey(struct ksmbd_conn *conn,
66 struct ksmbd_session *sess);
67 int ksmbd_gen_preauth_integrity_hash(struct ksmbd_conn *conn, char *buf,
69 int ksmbd_gen_sd_hash(struct ksmbd_conn *conn, char *sd_buf, int len,