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