dlls/secur32/secur32_priv.h

   1 /*
   2  * secur32 private definitions.
   3  *
   4  * Copyright (C) 2004 Juan Lang
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #ifndef __SECUR32_PRIV_H__
  22 #define __SECUR32_PRIV_H__
  23
  24 #include <sys/types.h>
  25 #include <limits.h>
  26 #include "wine/list.h"
  27 #include "schannel.h"
  28
  29 typedef struct _SecureProvider
  30 {
  31     struct list             entry;
  32     BOOL                    loaded;
  33     PWSTR                   moduleName;
  34     HMODULE                 lib;
  35     SecurityFunctionTableA  fnTableA;
  36     SecurityFunctionTableW  fnTableW;
  37 } SecureProvider;
  38
  39 typedef struct _SecurePackage
  40 {
  41     struct list     entry;
  42     SecPkgInfoW     infoW;
  43     SecureProvider *provider;
  44 } SecurePackage;
  45
  46 typedef enum _helper_mode {
  47     NTLM_SERVER,
  48     NTLM_CLIENT,
  49     NUM_HELPER_MODES
  50 } HelperMode;
  51
  52 typedef struct tag_arc4_info {
  53     unsigned char x, y;
  54     unsigned char state[256];
  55 } arc4_info;
  56
  57 typedef struct _NegoHelper {
  58     pid_t helper_pid;
  59     HelperMode mode;
  60     int pipe_in;
  61     int pipe_out;
  62     int major;
  63     int minor;
  64     int micro;
  65     char *com_buf;
  66     int com_buf_size;
  67     int com_buf_offset;
  68     BYTE *session_key;
  69     ULONG neg_flags;
  70     struct {
  71         struct {
  72             ULONG seq_num;
  73             arc4_info *a4i;
  74         } ntlm;
  75         struct {
  76             BYTE *send_sign_key;
  77             BYTE *send_seal_key;
  78             BYTE *recv_sign_key;
  79             BYTE *recv_seal_key;
  80             ULONG send_seq_no;
  81             ULONG recv_seq_no;
  82             arc4_info *send_a4i;
  83             arc4_info *recv_a4i;
  84         } ntlm2;
  85     } crypt;
  86 } NegoHelper, *PNegoHelper;
  87
  88 typedef struct _NtlmCredentials
  89 {
  90     HelperMode mode;
  91
  92     /* these are all in the Unix codepage */
  93     char *username_arg;
  94     char *domain_arg;
  95     char *password; /* not nul-terminated */
  96     int pwlen;
  97     int no_cached_credentials; /* don't try to use cached Samba credentials */
  98 } NtlmCredentials, *PNtlmCredentials;
  99
 100 typedef enum _sign_direction {
 101     NTLM_SEND,
 102     NTLM_RECV
 103 } SignDirection;
 104
 105 /* Allocates space for and initializes a new provider.  If fnTableA or fnTableW
 106  * is non-NULL, assumes the provider is built-in, and if moduleName is non-NULL,
 107  * means must load the LSA/user mode functions tables from external SSP/AP module.
 108  * Otherwise moduleName must not be NULL.
 109  * Returns a pointer to the stored provider entry, for use adding packages.
 110  */
 111 SecureProvider *SECUR32_addProvider(const SecurityFunctionTableA *fnTableA,
 112  const SecurityFunctionTableW *fnTableW, PCWSTR moduleName) DECLSPEC_HIDDEN;
 113
 114 /* Allocates space for and adds toAdd packages with the given provider.
 115  * provider must not be NULL, and either infoA or infoW may be NULL, but not
 116  * both.
 117  */
 118 void SECUR32_addPackages(SecureProvider *provider, ULONG toAdd,
 119  const SecPkgInfoA *infoA, const SecPkgInfoW *infoW) DECLSPEC_HIDDEN;
 120
 121 /* Tries to find the package named packageName.  If it finds it, implicitly
 122  * loads the package if it isn't already loaded.
 123  */
 124 SecurePackage *SECUR32_findPackageW(PCWSTR packageName) DECLSPEC_HIDDEN;
 125
 126 /* Tries to find the package named packageName.  (Thunks to _findPackageW)
 127  */
 128 SecurePackage *SECUR32_findPackageA(PCSTR packageName) DECLSPEC_HIDDEN;
 129
 130 /* A few string helpers; will return NULL if str is NULL.  Free return with
 131  * HeapFree */
 132 PWSTR SECUR32_AllocWideFromMultiByte(PCSTR str) DECLSPEC_HIDDEN;
 133 PSTR  SECUR32_AllocMultiByteFromWide(PCWSTR str) DECLSPEC_HIDDEN;
 134
 135 /* Initialization functions for built-in providers */
 136 void SECUR32_initSchannelSP(void) DECLSPEC_HIDDEN;
 137 void SECUR32_initNegotiateSP(void) DECLSPEC_HIDDEN;
 138 void SECUR32_initNTLMSP(void) DECLSPEC_HIDDEN;
 139
 140 /* Cleanup functions for built-in providers */
 141 void SECUR32_deinitSchannelSP(void) DECLSPEC_HIDDEN;
 142
 143 /* Functions from dispatcher.c used elsewhere in the code */
 144 SECURITY_STATUS fork_helper(PNegoHelper *new_helper, const char *prog,
 145         char * const argv[]) DECLSPEC_HIDDEN;
 146
 147 SECURITY_STATUS run_helper(PNegoHelper helper, char *buffer,
 148         unsigned int max_buflen, int *buflen) DECLSPEC_HIDDEN;
 149
 150 void cleanup_helper(PNegoHelper helper) DECLSPEC_HIDDEN;
 151
 152 void check_version(PNegoHelper helper) DECLSPEC_HIDDEN;
 153
 154 /* Functions from base64_codec.c used elsewhere */
 155 SECURITY_STATUS encodeBase64(PBYTE in_buf, int in_len, char* out_buf,
 156         int max_len, int *out_len) DECLSPEC_HIDDEN;
 157
 158 SECURITY_STATUS decodeBase64(char *in_buf, int in_len, BYTE *out_buf,
 159         int max_len, int *out_len) DECLSPEC_HIDDEN;
 160
 161 /* Functions from util.c */
 162 ULONG ComputeCrc32(const BYTE *pData, INT iLen, ULONG initial_crc) DECLSPEC_HIDDEN;
 163 SECURITY_STATUS SECUR32_CreateNTLM1SessionKey(PBYTE password, int len, PBYTE session_key) DECLSPEC_HIDDEN;
 164 SECURITY_STATUS SECUR32_CreateNTLM2SubKeys(PNegoHelper helper) DECLSPEC_HIDDEN;
 165 arc4_info *SECUR32_arc4Alloc(void) DECLSPEC_HIDDEN;
 166 void SECUR32_arc4Init(arc4_info *a4i, const BYTE *key, unsigned int keyLen) DECLSPEC_HIDDEN;
 167 void SECUR32_arc4Process(arc4_info *a4i, BYTE *inoutString, unsigned int length) DECLSPEC_HIDDEN;
 168 void SECUR32_arc4Cleanup(arc4_info *a4i) DECLSPEC_HIDDEN;
 169
 170 /* NTLMSSP flags indicating the negotiated features */
 171 #define NTLMSSP_NEGOTIATE_UNICODE                   0x00000001
 172 #define NTLMSSP_NEGOTIATE_OEM                       0x00000002
 173 #define NTLMSSP_REQUEST_TARGET                      0x00000004
 174 #define NTLMSSP_NEGOTIATE_SIGN                      0x00000010
 175 #define NTLMSSP_NEGOTIATE_SEAL                      0x00000020
 176 #define NTLMSSP_NEGOTIATE_DATAGRAM_STYLE            0x00000040
 177 #define NTLMSSP_NEGOTIATE_LM_SESSION_KEY            0x00000080
 178 #define NTLMSSP_NEGOTIATE_NTLM                      0x00000200
 179 #define NTLMSSP_NEGOTIATE_DOMAIN_SUPPLIED           0x00001000
 180 #define NTLMSSP_NEGOTIATE_WORKSTATION_SUPPLIED      0x00002000
 181 #define NTLMSSP_NEGOTIATE_LOCAL_CALL                0x00004000
 182 #define NTLMSSP_NEGOTIATE_ALWAYS_SIGN               0x00008000
 183 #define NTLMSSP_NEGOTIATE_TARGET_TYPE_DOMAIN        0x00010000
 184 #define NTLMSSP_NEGOTIATE_TARGET_TYPE_SERVER        0x00020000
 185 #define NTLMSSP_NEGOTIATE_NTLM2                     0x00080000
 186 #define NTLMSSP_NEGOTIATE_TARGET_INFO               0x00800000
 187 #define NTLMSSP_NEGOTIATE_128                       0x20000000
 188 #define NTLMSSP_NEGOTIATE_KEY_EXCHANGE              0x40000000
 189 #define NTLMSSP_NEGOTIATE_56                        0x80000000
 190
 191 SECURITY_STATUS SEC_ENTRY ntlm_AcquireCredentialsHandleW(SEC_WCHAR *, SEC_WCHAR *,
 192     ULONG, PLUID, PVOID, SEC_GET_KEY_FN, PVOID, PCredHandle, PTimeStamp) DECLSPEC_HIDDEN;
 193 SECURITY_STATUS SEC_ENTRY ntlm_InitializeSecurityContextW(PCredHandle, PCtxtHandle,
 194     SEC_WCHAR *, ULONG fContextReq, ULONG, ULONG, PSecBufferDesc, ULONG, PCtxtHandle,
 195     PSecBufferDesc, ULONG *, PTimeStamp) DECLSPEC_HIDDEN;
 196 SECURITY_STATUS SEC_ENTRY ntlm_AcceptSecurityContext(PCredHandle, PCtxtHandle, PSecBufferDesc,
 197     ULONG, ULONG, PCtxtHandle, PSecBufferDesc, ULONG *, PTimeStamp) DECLSPEC_HIDDEN;
 198 SECURITY_STATUS SEC_ENTRY ntlm_QueryContextAttributesA(PCtxtHandle, ULONG, void *) DECLSPEC_HIDDEN;
 199 SECURITY_STATUS SEC_ENTRY ntlm_QueryContextAttributesW(PCtxtHandle, ULONG, void *) DECLSPEC_HIDDEN;
 200 SECURITY_STATUS SEC_ENTRY ntlm_EncryptMessage(PCtxtHandle, ULONG, PSecBufferDesc, ULONG) DECLSPEC_HIDDEN;
 201 SECURITY_STATUS SEC_ENTRY ntlm_DecryptMessage(PCtxtHandle, PSecBufferDesc, ULONG, PULONG) DECLSPEC_HIDDEN;
 202 SECURITY_STATUS SEC_ENTRY ntlm_FreeCredentialsHandle(PCredHandle) DECLSPEC_HIDDEN;
 203 SECURITY_STATUS SEC_ENTRY ntlm_DeleteSecurityContext(PCtxtHandle) DECLSPEC_HIDDEN;
 204 SECURITY_STATUS SEC_ENTRY ntlm_MakeSignature(PCtxtHandle, ULONG, PSecBufferDesc, ULONG) DECLSPEC_HIDDEN;
 205 SECURITY_STATUS SEC_ENTRY ntlm_VerifySignature(PCtxtHandle, PSecBufferDesc, ULONG, PULONG) DECLSPEC_HIDDEN;
 206
 207 SecPkgInfoW *ntlm_package_infoW;
 208 SecPkgInfoA *ntlm_package_infoA;
 209
 210 /* schannel internal interface */
 211 typedef struct schan_imp_session_opaque *schan_imp_session;
 212 typedef struct schan_imp_certificate_credentials_opaque *schan_imp_certificate_credentials;
 213
 214 struct schan_transport;
 215
 216 struct schan_buffers
 217 {
 218     SIZE_T offset;
 219     SIZE_T limit;
 220     const SecBufferDesc *desc;
 221     int current_buffer_idx;
 222     BOOL allow_buffer_resize;
 223     int (*get_next_buffer)(const struct schan_transport *, struct schan_buffers *);
 224 };
 225
 226 struct schan_transport
 227 {
 228     struct schan_context *ctx;
 229     struct schan_buffers in;
 230     struct schan_buffers out;
 231 };
 232
 233 char *schan_get_buffer(const struct schan_transport *t, struct schan_buffers *s, SIZE_T *count) DECLSPEC_HIDDEN;
 234 extern int schan_pull(struct schan_transport *t, void *buff, size_t *buff_len) DECLSPEC_HIDDEN;
 235 extern int schan_push(struct schan_transport *t, const void *buff, size_t *buff_len) DECLSPEC_HIDDEN;
 236
 237 extern schan_imp_session schan_session_for_transport(struct schan_transport* t) DECLSPEC_HIDDEN;
 238
 239 /* schannel implementation interface */
 240 extern BOOL schan_imp_create_session(schan_imp_session *session, BOOL is_server,
 241                                      schan_imp_certificate_credentials cred) DECLSPEC_HIDDEN;
 242 extern void schan_imp_dispose_session(schan_imp_session session) DECLSPEC_HIDDEN;
 243 extern void schan_imp_set_session_transport(schan_imp_session session,
 244                                             struct schan_transport *t) DECLSPEC_HIDDEN;
 245 extern SECURITY_STATUS schan_imp_handshake(schan_imp_session session) DECLSPEC_HIDDEN;
 246 extern unsigned int schan_imp_get_session_cipher_block_size(schan_imp_session session) DECLSPEC_HIDDEN;
 247 extern unsigned int schan_imp_get_max_message_size(schan_imp_session session) DECLSPEC_HIDDEN;
 248 extern SECURITY_STATUS schan_imp_get_connection_info(schan_imp_session session,
 249                                                      SecPkgContext_ConnectionInfo *info) DECLSPEC_HIDDEN;
 250 extern SECURITY_STATUS schan_imp_get_session_peer_certificate(schan_imp_session session,
 251                                                               PCCERT_CONTEXT *cert) DECLSPEC_HIDDEN;
 252 extern SECURITY_STATUS schan_imp_send(schan_imp_session session, const void *buffer,
 253                                       SIZE_T *length) DECLSPEC_HIDDEN;
 254 extern SECURITY_STATUS schan_imp_recv(schan_imp_session session, void *buffer,
 255                                       SIZE_T *length) DECLSPEC_HIDDEN;
 256 extern BOOL schan_imp_allocate_certificate_credentials(schan_imp_certificate_credentials *c) DECLSPEC_HIDDEN;
 257 extern void schan_imp_free_certificate_credentials(schan_imp_certificate_credentials c) DECLSPEC_HIDDEN;
 258 extern BOOL schan_imp_init(void) DECLSPEC_HIDDEN;
 259 extern void schan_imp_deinit(void) DECLSPEC_HIDDEN;
 260
 261
 262 #endif /* ndef __SECUR32_PRIV_H__ */