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[CIFS] NTLMv2 support part 4

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Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Steve French 2006-06-05 23:34:19 +00:00
parent 6d027cfdb1
commit a8ee03441f
2 changed files with 41 additions and 1 deletions
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2
fs/cifs/cifs_debug.c
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@ -889,7 +889,7 @@ security_flags_write(struct file *file, const char __user *buffer,
} }
if(flags & ~CIFSSEC_MASK) { 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)); flags & ~CIFSSEC_MASK));
return -EINVAL; return -EINVAL;
} }

40
fs/cifs/cifsencrypt.c
View file

@ -305,8 +305,44 @@ void calc_lanman_hash(struct cifsSesInfo * ses, char * lnm_session_key)
} }
#endif /* CIFS_WEAK_PW_HASH */ #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) void setup_ntlmv2_rsp(const struct cifsSesInfo * ses, char * resp_buf)
{ {
int rc;
struct ntlmv2_resp * buf = (struct ntlmv2_resp *)resp_buf; struct ntlmv2_resp * buf = (struct ntlmv2_resp *)resp_buf;
buf->blob_signature = cpu_to_le32(0x00000101); 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->reserved2 = 0;
buf->names[0].type = 0; buf->names[0].type = 0;
buf->names[0].length = 0; buf->names[0].length = 0;
/* calculate buf->ntlmv2_hash */ /* 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) void CalcNTLMv2_response(const struct cifsSesInfo * ses,char * v2_session_response)