Re: [PATCH] remove unused function CalcNTLMv2_partial_mac_key

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This gets removed in one of the patches.

On Tue, Sep 7, 2010 at 6:17 AM, Jeff Layton <jlayton@xxxxxxxxx> wrote:
> On Mon,  6 Sep 2010 22:32:20 -0500
> shirishpargaonkar@xxxxxxxxx wrote:
>
>> From: Shirish Pargaonkar <shirishpargaonkar@xxxxxxxxx>
>>
>> Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@xxxxxxxxx>
>> ---
>>  fs/cifs/cifsencrypt.c |   57 -------------------------------------------------
>>  1 files changed, 0 insertions(+), 57 deletions(-)
>>
>> diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
>> index 86e33cc..4f85651 100644
>> --- a/fs/cifs/cifsencrypt.c
>> +++ b/fs/cifs/cifsencrypt.c
>> @@ -224,63 +224,6 @@ int cifs_calculate_mac_key(struct session_key *key, const char *rn,
>>       return 0;
>>  }
>>
>> -int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *ses,
>> -                            const struct nls_table *nls_info)
>> -{
>> -     char temp_hash[16];
>> -     struct HMACMD5Context ctx;
>> -     char *ucase_buf;
>> -     __le16 *unicode_buf;
>> -     unsigned int i, user_name_len, dom_name_len;
>> -
>> -     if (ses == NULL)
>> -             return -EINVAL;
>> -
>> -     E_md4hash(ses->password, temp_hash);
>> -
>> -     hmac_md5_init_limK_to_64(temp_hash, 16, &ctx);
>> -     user_name_len = strlen(ses->userName);
>> -     if (user_name_len > MAX_USERNAME_SIZE)
>> -             return -EINVAL;
>> -     if (ses->domainName == NULL)
>> -             return -EINVAL; /* BB should we use CIFS_LINUX_DOM */
>> -     dom_name_len = strlen(ses->domainName);
>> -     if (dom_name_len > MAX_USERNAME_SIZE)
>> -             return -EINVAL;
>> -
>> -     ucase_buf = kmalloc((MAX_USERNAME_SIZE+1), GFP_KERNEL);
>> -     if (ucase_buf == NULL)
>> -             return -ENOMEM;
>> -     unicode_buf = kmalloc((MAX_USERNAME_SIZE+1)*4, GFP_KERNEL);
>> -     if (unicode_buf == NULL) {
>> -             kfree(ucase_buf);
>> -             return -ENOMEM;
>> -     }
>> -
>> -     for (i = 0; i < user_name_len; i++)
>> -             ucase_buf[i] = nls_info->charset2upper[(int)ses->userName[i]];
>> -     ucase_buf[i] = 0;
>> -     user_name_len = cifs_strtoUCS(unicode_buf, ucase_buf,
>> -                                   MAX_USERNAME_SIZE*2, nls_info);
>> -     unicode_buf[user_name_len] = 0;
>> -     user_name_len++;
>> -
>> -     for (i = 0; i < dom_name_len; i++)
>> -             ucase_buf[i] = nls_info->charset2upper[(int)ses->domainName[i]];
>> -     ucase_buf[i] = 0;
>> -     dom_name_len = cifs_strtoUCS(unicode_buf+user_name_len, ucase_buf,
>> -                                  MAX_USERNAME_SIZE*2, nls_info);
>> -
>> -     unicode_buf[user_name_len + dom_name_len] = 0;
>> -     hmac_md5_update((const unsigned char *) unicode_buf,
>> -             (user_name_len+dom_name_len)*2, &ctx);
>> -
>> -     hmac_md5_final(ses->server->ntlmv2_hash, &ctx);
>> -     kfree(ucase_buf);
>> -     kfree(unicode_buf);
>> -     return 0;
>> -}
>> -
>>  #ifdef CONFIG_CIFS_WEAK_PW_HASH
>>  void calc_lanman_hash(const char *password, const char *cryptkey, bool encrypt,
>>                       char *lnm_session_key)
>
> What about the declaration in cifsproto.h?
>
> Other than that...strong ACK here. We should get rid of as much unused
> bloat as possible.
>
> --
> Jeff Layton <jlayton@xxxxxxxxx>
>
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