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Diffstat (limited to 'fs/cifs/cifsencrypt.c')
-rw-r--r--fs/cifs/cifsencrypt.c60
1 files changed, 41 insertions, 19 deletions
diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index 8bcb1da3270e..a89efaf78a26 100644
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -212,7 +212,8 @@ int cifs_calculate_mac_key(char * key, const char * rn, const char * password)
212 return 0; 212 return 0;
213} 213}
214 214
215int CalcNTLMv2_partial_mac_key(struct cifsSesInfo * ses, struct nls_table * nls_info) 215int CalcNTLMv2_partial_mac_key(struct cifsSesInfo * ses,
216 const struct nls_table * nls_info)
216{ 217{
217 char temp_hash[16]; 218 char temp_hash[16];
218 struct HMACMD5Context ctx; 219 struct HMACMD5Context ctx;
@@ -305,13 +306,15 @@ void calc_lanman_hash(struct cifsSesInfo * ses, char * lnm_session_key)
305} 306}
306#endif /* CIFS_WEAK_PW_HASH */ 307#endif /* CIFS_WEAK_PW_HASH */
307 308
308static int calc_ntlmv2_hash(const struct cifsSesInfo *ses, 309static int calc_ntlmv2_hash(struct cifsSesInfo *ses,
309 char * ntv2_hash) 310 const struct nls_table * nls_cp)
310{ 311{
311 int rc = 0; 312 int rc = 0;
312 int len; 313 int len;
313 char nt_hash[16]; 314 char nt_hash[16];
314 struct HMACMD5Context * pctxt; 315 struct HMACMD5Context * pctxt;
316 wchar_t * user;
317 wchar_t * domain;
315 318
316 pctxt = kmalloc(sizeof(struct HMACMD5Context), GFP_KERNEL); 319 pctxt = kmalloc(sizeof(struct HMACMD5Context), GFP_KERNEL);
317 320
@@ -321,26 +324,44 @@ static int calc_ntlmv2_hash(const struct cifsSesInfo *ses,
321 /* calculate md4 hash of password */ 324 /* calculate md4 hash of password */
322 E_md4hash(ses->password, nt_hash); 325 E_md4hash(ses->password, nt_hash);
323 326
324 /* convERT Domainname to unicode and uppercase */ 327 /* convert Domainname to unicode and uppercase */
325 hmac_md5_init_limK_to_64(nt_hash, 16, pctxt); 328 hmac_md5_init_limK_to_64(nt_hash, 16, pctxt);
326 329
327 /* convert ses->userName to unicode and uppercase */ 330 /* convert ses->userName to unicode and uppercase */
328 331 len = strlen(ses->userName);
329 /* len = ... */ /* BB FIXME BB */ 332 user = kmalloc(2 + (len * 2), GFP_KERNEL);
330 333 if(user == NULL)
331 /* hmac_md5_update(user, len, pctxt); */ 334 goto calc_exit_2;
335 len = cifs_strtoUCS(user, ses->userName, len, nls_cp);
336 UniStrupr(user);
337 hmac_md5_update((char *)user, 2*len, pctxt);
332 338
333 /* convert ses->domainName to unicode and uppercase */ 339 /* convert ses->domainName to unicode and uppercase */
340 if(ses->domainName) {
341 len = strlen(ses->domainName);
334 342
335 /* len = ... */ /* BB FIXME BB */ 343 domain = kmalloc(2 + (len * 2), GFP_KERNEL);
336 /* hmac_md5_update(domain, len, pctxt); */ 344 if(domain == NULL)
345 goto calc_exit_1;
346 len = cifs_strtoUCS(domain, ses->domainName, len, nls_cp);
347 UniStrupr(domain);
337 348
338 hmac_md5_final(ntv2_hash, pctxt); 349 hmac_md5_update((char *)domain, 2*len, pctxt);
350
351 kfree(domain);
352 }
353calc_exit_1:
354 kfree(user);
355calc_exit_2:
356 /* BB FIXME what about bytes 24 through 40 of the signing key?
357 compare with the NTLM example */
358 hmac_md5_final(ses->server->mac_signing_key, pctxt);
339 359
340 return rc; 360 return rc;
341} 361}
342 362
343void setup_ntlmv2_rsp(const struct cifsSesInfo * ses, char * resp_buf) 363void setup_ntlmv2_rsp(struct cifsSesInfo * ses, char * resp_buf,
364 const struct nls_table * nls_cp)
344{ 365{
345 int rc; 366 int rc;
346 struct ntlmv2_resp * buf = (struct ntlmv2_resp *)resp_buf; 367 struct ntlmv2_resp * buf = (struct ntlmv2_resp *)resp_buf;
@@ -348,27 +369,28 @@ void setup_ntlmv2_rsp(const struct cifsSesInfo * ses, char * resp_buf)
348 buf->blob_signature = cpu_to_le32(0x00000101); 369 buf->blob_signature = cpu_to_le32(0x00000101);
349 buf->reserved = 0; 370 buf->reserved = 0;
350 buf->time = cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME)); 371 buf->time = cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME));
351 get_random_bytes(&buf->client_chal, sizeof(buf->client_chal)); 372 get_random_bytes(&buf->client_chal, sizeof(buf->client_chal));
352 buf->reserved2 = 0; 373 buf->reserved2 = 0;
353 buf->names[0].type = 0; 374 buf->names[0].type = 0;
354 buf->names[0].length = 0; 375 buf->names[0].length = 0;
355 376
356 /* calculate buf->ntlmv2_hash */ 377 /* calculate buf->ntlmv2_hash */
357 rc = calc_ntlmv2_hash(ses,buf->ntlmv2_hash); 378 rc = calc_ntlmv2_hash(ses, nls_cp);
358 if(rc) 379 if(rc)
359 cERROR(1,("could not get v2 hash rc %d",rc)); 380 cERROR(1,("could not get v2 hash rc %d",rc));
381 CalcNTLMv2_response(ses, resp_buf);
360} 382}
361 383
362void CalcNTLMv2_response(const struct cifsSesInfo * ses,char * v2_session_response) 384void CalcNTLMv2_response(const struct cifsSesInfo * ses, char * v2_session_response)
363{ 385{
364 struct HMACMD5Context context; 386 struct HMACMD5Context context;
387 /* rest of v2 struct already generated */
365 memcpy(v2_session_response + 8, ses->server->cryptKey,8); 388 memcpy(v2_session_response + 8, ses->server->cryptKey,8);
366 /* gen_blob(v2_session_response + 16); */
367 hmac_md5_init_limK_to_64(ses->server->mac_signing_key, 16, &context); 389 hmac_md5_init_limK_to_64(ses->server->mac_signing_key, 16, &context);
368 390
369 hmac_md5_update(ses->server->cryptKey,8,&context); 391 hmac_md5_update(v2_session_response+8,
370/* hmac_md5_update(v2_session_response+16)client thing,8,&context); */ /* BB fix */ 392 sizeof(struct ntlmv2_resp) - 8, &context);
371 393
372 hmac_md5_final(v2_session_response,&context); 394 hmac_md5_final(v2_session_response,&context);
373 cifs_dump_mem("v2_sess_rsp: ", v2_session_response, 32); /* BB removeme BB */ 395/* cifs_dump_mem("v2_sess_rsp: ", v2_session_response, 32); */
374} 396}