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Commit a8ee0344 authored by Steve French's avatar Steve French
Browse files

[CIFS] NTLMv2 support part 4 



Signed-off-by: default avatarSteve French <sfrench@us.ibm.com>
parent 6d027cfd

fs/cifs/cifs_debug.c

+1 −1
Original line number Diff line number Diff line
@@ -889,7 +889,7 @@ security_flags_write(struct file *file, const char __user *buffer, 
	}



	if(flags & ~CIFSSEC_MASK) {

		cERROR(1,("attempt to set unsupported security flags 0x%d",

		cERROR(1,("attempt to set unsupported security flags 0x%x",

			flags & ~CIFSSEC_MASK));

		return -EINVAL;

	}

fs/cifs/cifsencrypt.c

+40 −0
Original line number Diff line number Diff line
@@ -305,8 +305,44 @@ void calc_lanman_hash(struct cifsSesInfo * ses, char * lnm_session_key) 
}

#endif /* CIFS_WEAK_PW_HASH */



static int calc_ntlmv2_hash(const struct cifsSesInfo *ses, 

			    char * ntv2_hash)

{

	int rc = 0;

	int len;

	char nt_hash[16];

	struct HMACMD5Context * pctxt;



	pctxt = kmalloc(sizeof(struct HMACMD5Context), GFP_KERNEL);



	if(pctxt == NULL)

		return -ENOMEM;



	/* calculate md4 hash of password */

	E_md4hash(ses->password, nt_hash);



	/* convERT Domainname to unicode and uppercase */

	hmac_md5_init_limK_to_64(nt_hash, 16, pctxt);



	/* convert ses->userName to unicode and uppercase */



	/* len = ... */  /* BB FIXME BB */



	/* hmac_md5_update(user, len, pctxt); */



	/* convert ses->domainName to unicode and uppercase */



	/* len = ... */  /* BB FIXME BB */

	/* hmac_md5_update(domain, len, pctxt); */



	hmac_md5_final(ntv2_hash, pctxt);



	return rc;

}



void setup_ntlmv2_rsp(const struct cifsSesInfo * ses, char * resp_buf)

{

	int rc;

	struct ntlmv2_resp * buf = (struct ntlmv2_resp *)resp_buf;



	buf->blob_signature = cpu_to_le32(0x00000101);
@@ -316,7 +352,11 @@ void setup_ntlmv2_rsp(const struct cifsSesInfo * ses, char * resp_buf) 
	buf->reserved2 = 0;

	buf->names[0].type = 0;

	buf->names[0].length = 0;



	/* calculate buf->ntlmv2_hash */

	rc = calc_ntlmv2_hash(ses,buf->ntlmv2_hash);

	if(rc)

		cERROR(1,("could not get v2 hash rc %d",rc));

}



void CalcNTLMv2_response(const struct cifsSesInfo * ses,char * v2_session_response)