* the sequence number before this function is called. Also, this function
* should be called with the server->srv_mutex held.
*/
-static int cifs_calculate_signature(const struct smb_hdr *cifs_pdu,
- struct TCP_Server_Info *server, char *signature)
-{
- int rc;
-
- if (cifs_pdu == NULL || signature == NULL || server == NULL)
- return -EINVAL;
-
- if (!server->secmech.sdescmd5) {
- cERROR(1, "%s: Can't generate signature\n", __func__);
- return -1;
- }
-
- rc = crypto_shash_init(&server->secmech.sdescmd5->shash);
- if (rc) {
- cERROR(1, "%s: Could not init md5\n", __func__);
- return rc;
- }
-
- rc = crypto_shash_update(&server->secmech.sdescmd5->shash,
- server->session_key.response, server->session_key.len);
- if (rc) {
- cERROR(1, "%s: Could not update with response\n", __func__);
- return rc;
- }
-
- rc = crypto_shash_update(&server->secmech.sdescmd5->shash,
- cifs_pdu->Protocol, be32_to_cpu(cifs_pdu->smb_buf_length));
- if (rc) {
- cERROR(1, "%s: Could not update with payload\n", __func__);
- return rc;
- }
-
- rc = crypto_shash_final(&server->secmech.sdescmd5->shash, signature);
- if (rc)
- cERROR(1, "%s: Could not generate md5 hash\n", __func__);
-
- return rc;
-}
-
-/* must be called with server->srv_mutex held */
-int cifs_sign_smb(struct smb_hdr *cifs_pdu, struct TCP_Server_Info *server,
- __u32 *pexpected_response_sequence_number)
-{
- int rc = 0;
- char smb_signature[20];
-
- if ((cifs_pdu == NULL) || (server == NULL))
- return -EINVAL;
-
- if (!(cifs_pdu->Flags2 & SMBFLG2_SECURITY_SIGNATURE) ||
- server->tcpStatus == CifsNeedNegotiate)
- return rc;
-
- if (!server->session_estab) {
- strncpy(cifs_pdu->Signature.SecuritySignature, "BSRSPYL", 8);
- return rc;
- }
-
- cifs_pdu->Signature.Sequence.SequenceNumber =
- cpu_to_le32(server->sequence_number);
- cifs_pdu->Signature.Sequence.Reserved = 0;
-
- *pexpected_response_sequence_number = server->sequence_number++;
- server->sequence_number++;
-
- rc = cifs_calculate_signature(cifs_pdu, server, smb_signature);
- if (rc)
- memset(cifs_pdu->Signature.SecuritySignature, 0, 8);
- else
- memcpy(cifs_pdu->Signature.SecuritySignature, smb_signature, 8);
-
- return rc;
-}
-
-static int cifs_calc_signature2(const struct kvec *iov, int n_vec,
- struct TCP_Server_Info *server, char *signature)
+static int cifs_calc_signature(const struct kvec *iov, int n_vec,
+ struct TCP_Server_Info *server, char *signature)
{
int i;
int rc;
{
int rc = 0;
char smb_signature[20];
- struct smb_hdr *cifs_pdu = iov[0].iov_base;
+ struct smb_hdr *cifs_pdu = (struct smb_hdr *)iov[0].iov_base;
if ((cifs_pdu == NULL) || (server == NULL))
return -EINVAL;
return rc;
if (!server->session_estab) {
- strncpy(cifs_pdu->Signature.SecuritySignature, "BSRSPYL", 8);
+ memcpy(cifs_pdu->Signature.SecuritySignature, "BSRSPYL", 8);
return rc;
}
*pexpected_response_sequence_number = server->sequence_number++;
server->sequence_number++;
- rc = cifs_calc_signature2(iov, n_vec, server, smb_signature);
+ rc = cifs_calc_signature(iov, n_vec, server, smb_signature);
if (rc)
memset(cifs_pdu->Signature.SecuritySignature, 0, 8);
else
return rc;
}
-int cifs_verify_signature(struct smb_hdr *cifs_pdu,
+/* must be called with server->srv_mutex held */
+int cifs_sign_smb(struct smb_hdr *cifs_pdu, struct TCP_Server_Info *server,
+ __u32 *pexpected_response_sequence_number)
+{
+ struct kvec iov;
+
+ iov.iov_base = cifs_pdu;
+ iov.iov_len = be32_to_cpu(cifs_pdu->smb_buf_length) + 4;
+
+ return cifs_sign_smb2(&iov, 1, server,
+ pexpected_response_sequence_number);
+}
+
+int cifs_verify_signature(struct kvec *iov, unsigned int nr_iov,
struct TCP_Server_Info *server,
__u32 expected_sequence_number)
{
unsigned int rc;
char server_response_sig[8];
char what_we_think_sig_should_be[20];
+ struct smb_hdr *cifs_pdu = (struct smb_hdr *)iov[0].iov_base;
if (cifs_pdu == NULL || server == NULL)
return -EINVAL;
cifs_pdu->Signature.Sequence.Reserved = 0;
mutex_lock(&server->srv_mutex);
- rc = cifs_calculate_signature(cifs_pdu, server,
- what_we_think_sig_should_be);
+ rc = cifs_calc_signature(iov, nr_iov, server,
+ what_we_think_sig_should_be);
mutex_unlock(&server->srv_mutex);
if (rc)
}
/* first calculate 24 bytes ntlm response and then 16 byte session key */
-int setup_ntlm_response(struct cifs_ses *ses)
+int setup_ntlm_response(struct cifs_ses *ses, const struct nls_table *nls_cp)
{
int rc = 0;
unsigned int temp_len = CIFS_SESS_KEY_SIZE + CIFS_AUTH_RESP_SIZE;
ses->auth_key.len = temp_len;
rc = SMBNTencrypt(ses->password, ses->server->cryptkey,
- ses->auth_key.response + CIFS_SESS_KEY_SIZE);
+ ses->auth_key.response + CIFS_SESS_KEY_SIZE, nls_cp);
if (rc) {
cFYI(1, "%s Can't generate NTLM response, error: %d",
__func__, rc);
return rc;
}
- rc = E_md4hash(ses->password, temp_key);
+ rc = E_md4hash(ses->password, temp_key, nls_cp);
if (rc) {
cFYI(1, "%s Can't generate NT hash, error: %d", __func__, rc);
return rc;
int rc = 0;
int len;
char nt_hash[CIFS_NTHASH_SIZE];
- wchar_t *user;
+ __le16 *user;
wchar_t *domain;
wchar_t *server;
}
/* calculate md4 hash of password */
- E_md4hash(ses->password, nt_hash);
+ E_md4hash(ses->password, nt_hash, nls_cp);
rc = crypto_shash_setkey(ses->server->secmech.hmacmd5, nt_hash,
CIFS_NTHASH_SIZE);
return rc;
}
- /* convert ses->user_name to unicode and uppercase */
+ /* convert ses->user_name to unicode */
len = strlen(ses->user_name);
user = kmalloc(2 + (len * 2), GFP_KERNEL);
if (user == NULL) {
rc = -ENOMEM;
return rc;
}
- len = cifs_strtoUCS((__le16 *)user, ses->user_name, len, nls_cp);
+ len = cifs_strtoUCS(user, ses->user_name, len, nls_cp);
UniStrupr(user);
rc = crypto_shash_update(&ses->server->secmech.sdeschmacmd5->shash,
git.openpandora.org / pandora-kernel.git / blobdiff