[CIFS] NTLMv2 support part 4

Signed-off-by: Steve French <sfrench@us.ibm.com>

diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
index 2f55edf..96abeb7 100644 (file)
--- a/fs/cifs/cifs_debug.c
+++ b/fs/cifs/cifs_debug.c
@@ -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;
        }

diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index 09f9461..8bcb1da 100644 (file)
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -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)