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                                                                   uint16_t secure_channel_type,
  30                                                                   const struct netr_Credential *client_challenge,
  31                                                                   const struct netr_Credential *server_challenge,
  32                                                                   const struct samr_Password *machine_password,
  33                                                                   struct netr_Credential *initial_credential,
  34                                                                   uint32_t negotiate_flags);
  35 struct netlogon_creds_CredentialState *netlogon_creds_client_init_session_key(TALLOC_CTX *mem_ctx,
  36                                                                               const uint8_t session_key[16]);
  37 void netlogon_creds_client_authenticator(struct netlogon_creds_CredentialState *creds,
  38                                 struct netr_Authenticator *next);
  39 bool netlogon_creds_client_check(struct netlogon_creds_CredentialState *creds,
  40                         const struct netr_Credential *received_credentials);
  41 struct netlogon_creds_CredentialState *netlogon_creds_copy(TALLOC_CTX *mem_ctx,
  42                                                            struct netlogon_creds_CredentialState *creds_in);
  43
  44 /*****************************************************************
  45 The above functions are common to the client and server interface
  46 next comes the server specific functions
  47 ******************************************************************/
  48 struct netlogon_creds_CredentialState *netlogon_creds_server_init(TALLOC_CTX *mem_ctx,
  49                                                                   const char *client_account,
  50                                                                   const char *client_computer_name,
  51                                                                   uint16_t secure_channel_type,
  52                                                                   const struct netr_Credential *client_challenge,
  53                                                                   const struct netr_Credential *server_challenge,
  54                                                                   const struct samr_Password *machine_password,
  55                                                                   const struct netr_Credential *credentials_in,
  56                                                                   struct netr_Credential *credentials_out,
  57                                                                   uint32_t negotiate_flags);
  58 NTSTATUS netlogon_creds_server_step_check(struct netlogon_creds_CredentialState *creds,
  59                                  const struct netr_Authenticator *received_authenticator,
  60                                  struct netr_Authenticator *return_authenticator) ;
  61 void netlogon_creds_decrypt_samlogon_validation(struct netlogon_creds_CredentialState *creds,
  62                                                 uint16_t validation_level,
  63                                                 union netr_Validation *validation);
  64 void netlogon_creds_encrypt_samlogon_validation(struct netlogon_creds_CredentialState *creds,
  65                                                 uint16_t validation_level,
  66                                                 union netr_Validation *validation);
  67 void netlogon_creds_decrypt_samlogon_logon(struct netlogon_creds_CredentialState *creds,
  68                                            enum netr_LogonInfoClass level,
  69                                            union netr_LogonLevel *logon);
  70 void netlogon_creds_encrypt_samlogon_logon(struct netlogon_creds_CredentialState *creds,
  71                                            enum netr_LogonInfoClass level,
  72                                            union netr_LogonLevel *logon);
  73 union netr_LogonLevel *netlogon_creds_shallow_copy_logon(TALLOC_CTX *mem_ctx,
  74                                         enum netr_LogonInfoClass level,
  75                                         const union netr_LogonLevel *in);
  76
  77 /* The following definitions come from /home/jeremy/src/samba/git/master/source3/../source4/../libcli/auth/session.c  */
  78
  79 void sess_crypt_blob(DATA_BLOB *out, const DATA_BLOB *in, const DATA_BLOB *session_key,
  80                      bool forward);
  81 DATA_BLOB sess_encrypt_string(const char *str, const DATA_BLOB *session_key);
  82 char *sess_decrypt_string(TALLOC_CTX *mem_ctx,
  83                           DATA_BLOB *blob, const DATA_BLOB *session_key);
  84 DATA_BLOB sess_encrypt_blob(TALLOC_CTX *mem_ctx, DATA_BLOB *blob_in, const DATA_BLOB *session_key);
  85 NTSTATUS sess_decrypt_blob(TALLOC_CTX *mem_ctx, const DATA_BLOB *blob, const DATA_BLOB *session_key,
  86                            DATA_BLOB *ret);
  87
  88 /* The following definitions come from /home/jeremy/src/samba/git/master/source3/../source4/../libcli/auth/smbencrypt.c  */
  89
  90 void SMBencrypt_hash(const uint8_t lm_hash[16], const uint8_t *c8, uint8_t p24[24]);
  91 bool SMBencrypt(const char *passwd, const uint8_t *c8, uint8_t p24[24]);
  92
  93 /**
  94  * Creates the MD4 Hash of the users password in NT UNICODE.
  95  * @param passwd password in 'unix' charset.
  96  * @param p16 return password hashed with md4, caller allocated 16 byte buffer
  97  */
  98 bool E_md4hash(const char *passwd, uint8_t p16[16]);
  99
 100 /**
 101  * Creates the MD5 Hash of a combination of 16 byte salt and 16 byte NT hash.
 102  * @param 16 byte salt.
 103  * @param 16 byte NT hash.
 104  * @param 16 byte return hashed with md5, caller allocated 16 byte buffer
 105  */
 106 void E_md5hash(const uint8_t salt[16], const uint8_t nthash[16], uint8_t hash_out[16]);
 107
 108 /**
 109  * Creates the DES forward-only Hash of the users password in DOS ASCII charset
 110  * @param passwd password in 'unix' charset.
 111  * @param p16 return password hashed with DES, caller allocated 16 byte buffer
 112  * @return false if password was > 14 characters, and therefore may be incorrect, otherwise true
 113  * @note p16 is filled in regardless
 114  */
 115 bool E_deshash(const char *passwd, uint8_t p16[16]);
 116
 117 /**
 118  * Creates the MD4 and DES (LM) Hash of the users password.
 119  * MD4 is of the NT Unicode, DES is of the DOS UPPERCASE password.
 120  * @param passwd password in 'unix' charset.
 121  * @param nt_p16 return password hashed with md4, caller allocated 16 byte buffer
 122  * @param p16 return password hashed with des, caller allocated 16 byte buffer
 123  */
 124 void nt_lm_owf_gen(const char *pwd, uint8_t nt_p16[16], uint8_t p16[16]);
 125 bool ntv2_owf_gen(const uint8_t owf[16],
 126                   const char *user_in, const char *domain_in,
 127                   uint8_t kr_buf[16]);
 128 void SMBOWFencrypt(const uint8_t passwd[16], const uint8_t *c8, uint8_t p24[24]);
 129 void SMBNTencrypt_hash(const uint8_t nt_hash[16], const uint8_t *c8, uint8_t *p24);
 130 void SMBNTencrypt(const char *passwd, const uint8_t *c8, uint8_t *p24);
 131 void SMBOWFencrypt_ntv2(const uint8_t kr[16],
 132                         const DATA_BLOB *srv_chal,
 133                         const DATA_BLOB *smbcli_chal,
 134                         uint8_t resp_buf[16]);
 135 void SMBsesskeygen_ntv2(const uint8_t kr[16],
 136                         const uint8_t * nt_resp, uint8_t sess_key[16]);
 137 void SMBsesskeygen_ntv1(const uint8_t kr[16], uint8_t sess_key[16]);
 138 void SMBsesskeygen_lm_sess_key(const uint8_t lm_hash[16],
 139                                const uint8_t lm_resp[24], /* only uses 8 */
 140                                uint8_t sess_key[16]);
 141 DATA_BLOB NTLMv2_generate_names_blob(TALLOC_CTX *mem_ctx,
 142                                      const char *hostname,
 143                                      const char *domain);
 144 bool SMBNTLMv2encrypt_hash(TALLOC_CTX *mem_ctx,
 145                            const char *user, const char *domain, const uint8_t nt_hash[16],
 146                            const DATA_BLOB *server_chal,
 147                            const DATA_BLOB *names_blob,
 148                            DATA_BLOB *lm_response, DATA_BLOB *nt_response,
 149                            DATA_BLOB *lm_session_key, DATA_BLOB *user_session_key) ;
 150 bool SMBNTLMv2encrypt(TALLOC_CTX *mem_ctx,
 151                       const char *user, const char *domain,
 152                       const char *password,
 153                       const DATA_BLOB *server_chal,
 154                       const DATA_BLOB *names_blob,
 155                       DATA_BLOB *lm_response, DATA_BLOB *nt_response,
 156                       DATA_BLOB *lm_session_key, DATA_BLOB *user_session_key) ;
 157
 158 /***********************************************************
 159  encode a password buffer with a unicode password.  The buffer
 160  is filled with random data to make it harder to attack.
 161 ************************************************************/
 162 bool encode_pw_buffer(uint8_t buffer[516], const char *password, int string_flags);
 163
 164 /***********************************************************
 165  decode a password buffer
 166  *new_pw_len is the length in bytes of the possibly mulitbyte
 167  returned password including termination.
 168 ************************************************************/
 169 bool decode_pw_buffer(TALLOC_CTX *ctx,
 170                       uint8_t in_buffer[516],
 171                       char **pp_new_pwrd,
 172                       size_t *new_pw_len,
 173                       charset_t string_charset);
 174
 175 /***********************************************************
 176  Decode an arc4 encrypted password change buffer.
 177 ************************************************************/
 178 void encode_or_decode_arc4_passwd_buffer(unsigned char pw_buf[532], const DATA_BLOB *psession_key);
 179
 180 /***********************************************************
 181  encode a password buffer with an already unicode password.  The
 182  rest of the buffer is filled with random data to make it harder to attack.
 183 ************************************************************/
 184 bool set_pw_in_buffer(uint8_t buffer[516], DATA_BLOB *password);
 185
 186 /***********************************************************
 187  decode a password buffer
 188  *new_pw_size is the length in bytes of the extracted unicode password
 189 ************************************************************/
 190 bool extract_pw_from_buffer(TALLOC_CTX *mem_ctx,
 191                             uint8_t in_buffer[516], DATA_BLOB *new_pass);
 192 struct wkssvc_PasswordBuffer;
 193 void encode_wkssvc_join_password_buffer(TALLOC_CTX *mem_ctx,
 194                                         const char *pwd,
 195                                         DATA_BLOB *session_key,
 196                                         struct wkssvc_PasswordBuffer **pwd_buf);
 197 WERROR decode_wkssvc_join_password_buffer(TALLOC_CTX *mem_ctx,
 198                                           struct wkssvc_PasswordBuffer *pwd_buf,
 199                                           DATA_BLOB *session_key,
 200                                           char **pwd);
 201
 202 /* The following definitions come from /home/jeremy/src/samba/git/master/source3/../source4/../libcli/auth/smbdes.c  */
 203
 204 void des_crypt56(uint8_t out[8], const uint8_t in[8], const uint8_t key[7], int forw);
 205 void E_P16(const uint8_t *p14,uint8_t *p16);
 206 void E_P24(const uint8_t *p21, const uint8_t *c8, uint8_t *p24);
 207 void D_P16(const uint8_t *p14, const uint8_t *in, uint8_t *out);
 208 void E_old_pw_hash( uint8_t *p14, const uint8_t *in, uint8_t *out);
 209 void des_crypt128(uint8_t out[8], const uint8_t in[8], const uint8_t key[16]);
 210 void des_crypt64(uint8_t out[8], const uint8_t in[8], const uint8_t key[8], int forw);
 211 void des_crypt112(uint8_t out[8], const uint8_t in[8], const uint8_t key[14], int forw);
 212 void des_crypt112_16(uint8_t out[16], const uint8_t in[16], const uint8_t key[14], int forw);
 213 void sam_rid_crypt(unsigned int rid, const uint8_t *in, uint8_t *out, int forw);
 214 #undef _PRINTF_ATTRIBUTE
 215 #define _PRINTF_ATTRIBUTE(a1, a2)
 216
 217 #endif
 218