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-rw-r--r--fs/cifs/cifsencrypt.c17
-rw-r--r--fs/cifs/cifspdu.h2
-rw-r--r--fs/cifs/cifsproto.h1
-rw-r--r--fs/cifs/sess.c6
4 files changed, 20 insertions, 6 deletions
diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index 24ab770f60dc..09f94617e534 100644
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -27,6 +27,7 @@
27#include "cifs_unicode.h" 27#include "cifs_unicode.h"
28#include "cifsproto.h" 28#include "cifsproto.h"
29#include <linux/ctype.h> 29#include <linux/ctype.h>
30#include <linux/random.h>
30 31
31/* Calculate and return the CIFS signature based on the mac key and the smb pdu */ 32/* Calculate and return the CIFS signature based on the mac key and the smb pdu */
32/* the 16 byte signature must be allocated by the caller */ 33/* the 16 byte signature must be allocated by the caller */
@@ -304,10 +305,22 @@ void calc_lanman_hash(struct cifsSesInfo * ses, char * lnm_session_key)
304} 305}
305#endif /* CIFS_WEAK_PW_HASH */ 306#endif /* CIFS_WEAK_PW_HASH */
306 307
308void setup_ntlmv2_rsp(const struct cifsSesInfo * ses, char * resp_buf)
309{
310 struct ntlmv2_resp * buf = (struct ntlmv2_resp *)resp_buf;
311
312 buf->blob_signature = cpu_to_le32(0x00000101);
313 buf->reserved = 0;
314 buf->time = cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME));
315 get_random_bytes(&buf->client_chal, sizeof(buf->client_chal));
316 buf->reserved2 = 0;
317 buf->names[0].type = 0;
318 buf->names[0].length = 0;
319 /* calculate buf->ntlmv2_hash */
320}
321
307void CalcNTLMv2_response(const struct cifsSesInfo * ses,char * v2_session_response) 322void CalcNTLMv2_response(const struct cifsSesInfo * ses,char * v2_session_response)
308{ 323{
309 /* BB FIXME - update struct ntlmv2_response and change calling convention
310 of this function */
311 struct HMACMD5Context context; 324 struct HMACMD5Context context;
312 memcpy(v2_session_response + 8, ses->server->cryptKey,8); 325 memcpy(v2_session_response + 8, ses->server->cryptKey,8);
313 /* gen_blob(v2_session_response + 16); */ 326 /* gen_blob(v2_session_response + 16); */
diff --git a/fs/cifs/cifspdu.h b/fs/cifs/cifspdu.h
index 503b7e32ede3..5250b93d3098 100644
--- a/fs/cifs/cifspdu.h
+++ b/fs/cifs/cifspdu.h
@@ -582,7 +582,7 @@ struct ntlmssp2_name {
582 582
583struct ntlmv2_resp { 583struct ntlmv2_resp {
584 char ntlmv2_hash[CIFS_ENCPWD_SIZE]; 584 char ntlmv2_hash[CIFS_ENCPWD_SIZE];
585 __le32 blob_sign; 585 __le32 blob_signature;
586 __u32 reserved; 586 __u32 reserved;
587 __le64 time; 587 __le64 time;
588 __u64 client_chal; /* random */ 588 __u64 client_chal; /* random */
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 59b037f14511..824afb937a6f 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -287,6 +287,7 @@ extern int cifs_verify_signature(struct smb_hdr *, const char * mac_key,
287extern int cifs_calculate_mac_key(char * key,const char * rn,const char * pass); 287extern int cifs_calculate_mac_key(char * key,const char * rn,const char * pass);
288extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *, struct nls_table *); 288extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *, struct nls_table *);
289extern void CalcNTLMv2_response(const struct cifsSesInfo *,char * ); 289extern void CalcNTLMv2_response(const struct cifsSesInfo *,char * );
290extern void setup_ntlmv2_rsp(const struct cifsSesInfo *, char *);
290#ifdef CONFIG_CIFS_WEAK_PW_HASH 291#ifdef CONFIG_CIFS_WEAK_PW_HASH
291extern void calc_lanman_hash(struct cifsSesInfo * ses, char * lnm_session_key); 292extern void calc_lanman_hash(struct cifsSesInfo * ses, char * lnm_session_key);
292#endif /* CIFS_WEAK_PW_HASH */ 293#endif /* CIFS_WEAK_PW_HASH */
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 9ce628df29b4..c6fd01f55e90 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -411,8 +411,8 @@ CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, int first_time,
411 else 411 else
412 ascii_ssetup_strings(&bcc_ptr, ses, nls_cp); 412 ascii_ssetup_strings(&bcc_ptr, ses, nls_cp);
413 } else if (type == NTLMv2) { 413 } else if (type == NTLMv2) {
414 char * v2_sess_key = kmalloc(sizeof(struct ntlmv2_resp), 414 char * v2_sess_key =
415 GFP_KERNEL); 415 kmalloc(sizeof(struct ntlmv2_resp), GFP_KERNEL);
416 416
417 /* BB FIXME change all users of v2_sess_key to 417 /* BB FIXME change all users of v2_sess_key to
418 struct ntlmv2_resp */ 418 struct ntlmv2_resp */
@@ -432,7 +432,7 @@ CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, int first_time,
432 cpu_to_le16(sizeof(struct ntlmv2_resp)); 432 cpu_to_le16(sizeof(struct ntlmv2_resp));
433 433
434 /* calculate session key */ 434 /* calculate session key */
435 CalcNTLMv2_response(ses, v2_sess_key); 435 setup_ntlmv2_rsp(ses, v2_sess_key);
436 if(first_time) /* should this be moved into common code 436 if(first_time) /* should this be moved into common code
437 with similar ntlmv2 path? */ 437 with similar ntlmv2 path? */
438 /* cifs_calculate_ntlmv2_mac_key(ses->server->mac_signing_key, 438 /* cifs_calculate_ntlmv2_mac_key(ses->server->mac_signing_key,