From a8ee03441f66e0674e641c0cbe1a9534cdee968f Mon Sep 17 00:00:00 2001 From: Steve French Date: Mon, 5 Jun 2006 23:34:19 +0000 Subject: [CIFS] NTLMv2 support part 4 Signed-off-by: Steve French --- fs/cifs/cifsencrypt.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) (limited to 'fs/cifs/cifsencrypt.c') diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c index 09f94617e53..8bcb1da3270 100644 --- 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) -- cgit v1.2.3-18-g5258