libcli/auth: add netlogon_creds_aes_{en|de}crypt routines.
[obnox/samba/samba-obnox.git] / libcli / auth / proto.h
1 #ifndef _LIBCLI_AUTH_PROTO_H__
2 #define _LIBCLI_AUTH_PROTO_H__
3
4 #undef _PRINTF_ATTRIBUTE
5 #define _PRINTF_ATTRIBUTE(a1, a2) PRINTF_ATTRIBUTE(a1, a2)
6
7 /* this file contains prototypes for functions that are private 
8  * to this subsystem or library. These functions should not be 
9  * used outside this particular subsystem! */
10
11
12 /* The following definitions come from /home/jeremy/src/samba/git/master/source3/../source4/../libcli/auth/credentials.c  */
13
14 void netlogon_creds_des_encrypt_LMKey(struct netlogon_creds_CredentialState *creds, struct netr_LMSessionKey *key);
15 void netlogon_creds_des_decrypt_LMKey(struct netlogon_creds_CredentialState *creds, struct netr_LMSessionKey *key);
16 void netlogon_creds_des_encrypt(struct netlogon_creds_CredentialState *creds, struct samr_Password *pass);
17 void netlogon_creds_des_decrypt(struct netlogon_creds_CredentialState *creds, struct samr_Password *pass);
18 void netlogon_creds_arcfour_crypt(struct netlogon_creds_CredentialState *creds, uint8_t *data, size_t len);
19 void netlogon_creds_aes_encrypt(struct netlogon_creds_CredentialState *creds, uint8_t *data, size_t len);
20 void netlogon_creds_aes_decrypt(struct netlogon_creds_CredentialState *creds, uint8_t *data, size_t len);
21
22 /*****************************************************************
23 The above functions are common to the client and server interface
24 next comes the client specific functions
25 ******************************************************************/
26 struct netlogon_creds_CredentialState *netlogon_creds_client_init(TALLOC_CTX *mem_ctx, 
27                                                                   const char *client_account,
28                                                                   const char *client_computer_name, 
29                                                                   const struct netr_Credential *client_challenge,
30                                                                   const struct netr_Credential *server_challenge,
31                                                                   const struct samr_Password *machine_password,
32                                                                   struct netr_Credential *initial_credential,
33                                                                   uint32_t negotiate_flags);
34 struct netlogon_creds_CredentialState *netlogon_creds_client_init_session_key(TALLOC_CTX *mem_ctx, 
35                                                                               const uint8_t session_key[16]);
36 void netlogon_creds_client_authenticator(struct netlogon_creds_CredentialState *creds,
37                                 struct netr_Authenticator *next);
38 bool netlogon_creds_client_check(struct netlogon_creds_CredentialState *creds,
39                         const struct netr_Credential *received_credentials);
40 struct netlogon_creds_CredentialState *netlogon_creds_copy(TALLOC_CTX *mem_ctx,
41                                                            struct netlogon_creds_CredentialState *creds_in);
42
43 /*****************************************************************
44 The above functions are common to the client and server interface
45 next comes the server specific functions
46 ******************************************************************/
47 struct netlogon_creds_CredentialState *netlogon_creds_server_init(TALLOC_CTX *mem_ctx, 
48                                                                   const char *client_account,
49                                                                   const char *client_computer_name, 
50                                                                   uint16_t secure_channel_type,
51                                                                   const struct netr_Credential *client_challenge,
52                                                                   const struct netr_Credential *server_challenge,
53                                                                   const struct samr_Password *machine_password,
54                                                                   struct netr_Credential *credentials_in,
55                                                                   struct netr_Credential *credentials_out,
56                                                                   uint32_t negotiate_flags);
57 NTSTATUS netlogon_creds_server_step_check(struct netlogon_creds_CredentialState *creds,
58                                  struct netr_Authenticator *received_authenticator,
59                                  struct netr_Authenticator *return_authenticator) ;
60 void netlogon_creds_decrypt_samlogon(struct netlogon_creds_CredentialState *creds,
61                             uint16_t validation_level,
62                             union netr_Validation *validation) ;
63
64 /* The following definitions come from /home/jeremy/src/samba/git/master/source3/../source4/../libcli/auth/session.c  */
65
66 void sess_crypt_blob(DATA_BLOB *out, const DATA_BLOB *in, const DATA_BLOB *session_key,
67                      bool forward);
68 DATA_BLOB sess_encrypt_string(const char *str, const DATA_BLOB *session_key);
69 char *sess_decrypt_string(TALLOC_CTX *mem_ctx, 
70                           DATA_BLOB *blob, const DATA_BLOB *session_key);
71 DATA_BLOB sess_encrypt_blob(TALLOC_CTX *mem_ctx, DATA_BLOB *blob_in, const DATA_BLOB *session_key);
72 NTSTATUS sess_decrypt_blob(TALLOC_CTX *mem_ctx, const DATA_BLOB *blob, const DATA_BLOB *session_key, 
73                            DATA_BLOB *ret);
74
75 /* The following definitions come from /home/jeremy/src/samba/git/master/source3/../source4/../libcli/auth/smbencrypt.c  */
76
77 void SMBencrypt_hash(const uint8_t lm_hash[16], const uint8_t *c8, uint8_t p24[24]);
78 bool SMBencrypt(const char *passwd, const uint8_t *c8, uint8_t p24[24]);
79
80 /**
81  * Creates the MD4 Hash of the users password in NT UNICODE.
82  * @param passwd password in 'unix' charset.
83  * @param p16 return password hashed with md4, caller allocated 16 byte buffer
84  */
85 bool E_md4hash(const char *passwd, uint8_t p16[16]);
86
87 /**
88  * Creates the MD5 Hash of a combination of 16 byte salt and 16 byte NT hash.
89  * @param 16 byte salt.
90  * @param 16 byte NT hash.
91  * @param 16 byte return hashed with md5, caller allocated 16 byte buffer
92  */
93 void E_md5hash(const uint8_t salt[16], const uint8_t nthash[16], uint8_t hash_out[16]);
94
95 /**
96  * Creates the DES forward-only Hash of the users password in DOS ASCII charset
97  * @param passwd password in 'unix' charset.
98  * @param p16 return password hashed with DES, caller allocated 16 byte buffer
99  * @return false if password was > 14 characters, and therefore may be incorrect, otherwise true
100  * @note p16 is filled in regardless
101  */
102 bool E_deshash(const char *passwd, uint8_t p16[16]);
103
104 /**
105  * Creates the MD4 and DES (LM) Hash of the users password.  
106  * MD4 is of the NT Unicode, DES is of the DOS UPPERCASE password.
107  * @param passwd password in 'unix' charset.
108  * @param nt_p16 return password hashed with md4, caller allocated 16 byte buffer
109  * @param p16 return password hashed with des, caller allocated 16 byte buffer
110  */
111 void nt_lm_owf_gen(const char *pwd, uint8_t nt_p16[16], uint8_t p16[16]);
112 bool ntv2_owf_gen(const uint8_t owf[16],
113                   const char *user_in, const char *domain_in,
114                   uint8_t kr_buf[16]);
115 void SMBOWFencrypt(const uint8_t passwd[16], const uint8_t *c8, uint8_t p24[24]);
116 void SMBNTencrypt_hash(const uint8_t nt_hash[16], const uint8_t *c8, uint8_t *p24);
117 void SMBNTencrypt(const char *passwd, const uint8_t *c8, uint8_t *p24);
118 void SMBOWFencrypt_ntv2(const uint8_t kr[16],
119                         const DATA_BLOB *srv_chal,
120                         const DATA_BLOB *smbcli_chal,
121                         uint8_t resp_buf[16]);
122 void SMBsesskeygen_ntv2(const uint8_t kr[16],
123                         const uint8_t * nt_resp, uint8_t sess_key[16]);
124 void SMBsesskeygen_ntv1(const uint8_t kr[16], uint8_t sess_key[16]);
125 void SMBsesskeygen_lm_sess_key(const uint8_t lm_hash[16],
126                                const uint8_t lm_resp[24], /* only uses 8 */ 
127                                uint8_t sess_key[16]);
128 DATA_BLOB NTLMv2_generate_names_blob(TALLOC_CTX *mem_ctx, 
129                                      const char *hostname, 
130                                      const char *domain);
131 bool SMBNTLMv2encrypt_hash(TALLOC_CTX *mem_ctx, 
132                            const char *user, const char *domain, const uint8_t nt_hash[16],
133                            const DATA_BLOB *server_chal, 
134                            const DATA_BLOB *names_blob,
135                            DATA_BLOB *lm_response, DATA_BLOB *nt_response, 
136                            DATA_BLOB *lm_session_key, DATA_BLOB *user_session_key) ;
137 bool SMBNTLMv2encrypt(TALLOC_CTX *mem_ctx, 
138                       const char *user, const char *domain, 
139                       const char *password, 
140                       const DATA_BLOB *server_chal, 
141                       const DATA_BLOB *names_blob,
142                       DATA_BLOB *lm_response, DATA_BLOB *nt_response, 
143                       DATA_BLOB *lm_session_key, DATA_BLOB *user_session_key) ;
144
145 /***********************************************************
146  encode a password buffer with a unicode password.  The buffer
147  is filled with random data to make it harder to attack.
148 ************************************************************/
149 bool encode_pw_buffer(uint8_t buffer[516], const char *password, int string_flags);
150
151 /***********************************************************
152  decode a password buffer
153  *new_pw_len is the length in bytes of the possibly mulitbyte
154  returned password including termination.
155 ************************************************************/
156 bool decode_pw_buffer(TALLOC_CTX *ctx,
157                       uint8_t in_buffer[516],
158                       char **pp_new_pwrd,
159                       size_t *new_pw_len,
160                       charset_t string_charset);
161
162 /***********************************************************
163  Decode an arc4 encrypted password change buffer.
164 ************************************************************/
165 void encode_or_decode_arc4_passwd_buffer(unsigned char pw_buf[532], const DATA_BLOB *psession_key);
166
167 /***********************************************************
168  encode a password buffer with an already unicode password.  The
169  rest of the buffer is filled with random data to make it harder to attack.
170 ************************************************************/
171 bool set_pw_in_buffer(uint8_t buffer[516], DATA_BLOB *password);
172
173 /***********************************************************
174  decode a password buffer
175  *new_pw_size is the length in bytes of the extracted unicode password
176 ************************************************************/
177 bool extract_pw_from_buffer(TALLOC_CTX *mem_ctx, 
178                             uint8_t in_buffer[516], DATA_BLOB *new_pass);
179 void encode_wkssvc_join_password_buffer(TALLOC_CTX *mem_ctx,
180                                         const char *pwd,
181                                         DATA_BLOB *session_key,
182                                         struct wkssvc_PasswordBuffer **pwd_buf);
183 WERROR decode_wkssvc_join_password_buffer(TALLOC_CTX *mem_ctx,
184                                           struct wkssvc_PasswordBuffer *pwd_buf,
185                                           DATA_BLOB *session_key,
186                                           char **pwd);
187
188 /* The following definitions come from /home/jeremy/src/samba/git/master/source3/../source4/../libcli/auth/smbdes.c  */
189
190 void des_crypt56(uint8_t out[8], const uint8_t in[8], const uint8_t key[7], int forw);
191 void E_P16(const uint8_t *p14,uint8_t *p16);
192 void E_P24(const uint8_t *p21, const uint8_t *c8, uint8_t *p24);
193 void D_P16(const uint8_t *p14, const uint8_t *in, uint8_t *out);
194 void E_old_pw_hash( uint8_t *p14, const uint8_t *in, uint8_t *out);
195 void des_crypt128(uint8_t out[8], const uint8_t in[8], const uint8_t key[16]);
196 void des_crypt64(uint8_t out[8], const uint8_t in[8], const uint8_t key[8], int forw);
197 void des_crypt112(uint8_t out[8], const uint8_t in[8], const uint8_t key[14], int forw);
198 void des_crypt112_16(uint8_t out[16], const uint8_t in[16], const uint8_t key[14], int forw);
199 void sam_rid_crypt(unsigned int rid, const uint8_t *in, uint8_t *out, int forw);
200 #undef _PRINTF_ATTRIBUTE
201 #define _PRINTF_ATTRIBUTE(a1, a2)
202
203 #endif
204