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
38 int ksmbd_crypt_message(struct ksmbd_conn *conn, struct kvec *iov,
39 unsigned int nvec, int enc);
40 void ksmbd_copy_gss_neg_header(void *buf);
41 int ksmbd_auth_ntlmv2(struct ksmbd_conn *conn, struct ksmbd_session *sess,
42 struct ntlmv2_resp *ntlmv2, int blen, char *domain_name,
44 int ksmbd_decode_ntlmssp_auth_blob(struct authenticate_message *authblob,
45 int blob_len, struct ksmbd_conn *conn,
46 struct ksmbd_session *sess);
47 int ksmbd_decode_ntlmssp_neg_blob(struct negotiate_message *negblob,
48 int blob_len, struct ksmbd_conn *conn);
50 ksmbd_build_ntlmssp_challenge_blob(struct challenge_message *chgblob,
51 struct ksmbd_conn *conn);
52 int ksmbd_krb5_authenticate(struct ksmbd_session *sess, char *in_blob,
53 int in_len, char *out_blob, int *out_len);
54 int ksmbd_sign_smb2_pdu(struct ksmbd_conn *conn, char *key, struct kvec *iov,
55 int n_vec, char *sig);
56 int ksmbd_sign_smb3_pdu(struct ksmbd_conn *conn, char *key, struct kvec *iov,
57 int n_vec, char *sig);
58 int ksmbd_gen_smb30_signingkey(struct ksmbd_session *sess,
59 struct ksmbd_conn *conn);
60 int ksmbd_gen_smb311_signingkey(struct ksmbd_session *sess,
61 struct ksmbd_conn *conn);
62 int ksmbd_gen_smb30_encryptionkey(struct ksmbd_conn *conn,
63 struct ksmbd_session *sess);
64 int ksmbd_gen_smb311_encryptionkey(struct ksmbd_conn *conn,
65 struct ksmbd_session *sess);
66 int ksmbd_gen_preauth_integrity_hash(struct ksmbd_conn *conn, char *buf,
68 int ksmbd_gen_sd_hash(struct ksmbd_conn *conn, char *sd_buf, int len,