/* BB FIXME add check that strings total less
than 335 or will need to send them as arrays */
- /* align unicode strings, must be word aligned */
- if ((long) bcc_ptr % 2) {
+ /* unicode strings, must be word aligned before the call */
+/* if ((long) bcc_ptr % 2) {
*bcc_ptr = 0;
bcc_ptr++;
- }
+ } */
/* copy user */
if(ses->userName == NULL) {
/* BB what about null user mounts - check that we do this BB */
bytes_ret = cifs_strtoUCS((__le16 *)bcc_ptr, "Linux version ", 32,
nls_cp);
bcc_ptr += 2 * bytes_ret;
- bytes_ret = cifs_strtoUCS((__le16 *) bcc_ptr, system_utsname.release,
+ bytes_ret = cifs_strtoUCS((__le16 *) bcc_ptr, init_utsname()->release,
32, nls_cp);
bcc_ptr += 2 * bytes_ret;
bcc_ptr += 2; /* trailing null */
strncpy(bcc_ptr, ses->userName, 300);
}
/* BB improve check for overflow */
- bcc_ptr += strnlen(ses->userName, 200);
+ bcc_ptr += strnlen(ses->userName, 300);
*bcc_ptr = 0;
bcc_ptr++; /* account for null termination */
strcpy(bcc_ptr, "Linux version ");
bcc_ptr += strlen("Linux version ");
- strcpy(bcc_ptr, system_utsname.release);
- bcc_ptr += strlen(system_utsname.release) + 1;
+ strcpy(bcc_ptr, init_utsname()->release);
+ bcc_ptr += strlen(init_utsname()->release) + 1;
strcpy(bcc_ptr, CIFS_NETWORK_OPSYS);
bcc_ptr += strlen(CIFS_NETWORK_OPSYS) + 1;
ses->serverOS = kzalloc(len + 1, GFP_KERNEL);
if(ses->serverOS)
strncpy(ses->serverOS, bcc_ptr, len);
+ if(strncmp(ses->serverOS, "OS/2",4) == 0) {
+ cFYI(1,("OS/2 server"));
+ ses->flags |= CIFS_SES_OS2;
+ }
bcc_ptr += len + 1;
bleft -= len + 1;
if(len > bleft)
return rc;
- if(ses->serverDomain)
- kfree(ses->serverDomain);
-
- ses->serverDomain = kzalloc(len + 1, GFP_KERNEL);
- if(ses->serverOS)
- strncpy(ses->serverOS, bcc_ptr, len);
-
- bcc_ptr += len + 1;
- bleft -= len + 1;
-
+ /* No domain field in LANMAN case. Domain is
+ returned by old servers in the SMB negprot response */
+ /* BB For newer servers which do not support Unicode,
+ but thus do return domain here we could add parsing
+ for it later, but it is not very important */
cFYI(1,("ascii: bytes left %d",bleft));
return rc;
int wct;
struct smb_hdr *smb_buf;
char *bcc_ptr;
+ char *str_area;
SESSION_SETUP_ANDX *pSMB;
__u32 capabilities;
int count;
int resp_buf_type = 0;
- struct kvec iov[2]; /* BB split variable length info into 2nd iovec */
+ struct kvec iov[2];
enum securityEnum type;
__u16 action;
int bytes_remaining;
- cFYI(1,("new sess setup"));
if(ses == NULL)
return -EINVAL;
type = ses->server->secType;
+
+ cFYI(1,("sess setup type %d",type));
if(type == LANMAN) {
#ifndef CONFIG_CIFS_WEAK_PW_HASH
/* LANMAN and plaintext are less secure and off by default.
pSMB = (SESSION_SETUP_ANDX *)smb_buf;
capabilities = cifs_ssetup_hdr(ses, pSMB);
- bcc_ptr = pByteArea(smb_buf);
+
+ /* we will send the SMB in two pieces,
+ a fixed length beginning part, and a
+ second part which will include the strings
+ and rest of bcc area, in order to avoid having
+ to do a large buffer 17K allocation */
+ iov[0].iov_base = (char *)pSMB;
+ iov[0].iov_len = smb_buf->smb_buf_length + 4;
+
+ /* 2000 big enough to fit max user, domain, NOS name etc. */
+ str_area = kmalloc(2000, GFP_KERNEL);
+ bcc_ptr = str_area;
+
+ ses->flags &= ~CIFS_SES_LANMAN;
if(type == LANMAN) {
#ifdef CONFIG_CIFS_WEAK_PW_HASH
/* no capabilities flags in old lanman negotiation */
- pSMB->old_req.PasswordLength = CIFS_SESS_KEY_SIZE;
+ pSMB->old_req.PasswordLength = cpu_to_le16(CIFS_SESS_KEY_SIZE);
/* BB calculate hash with password */
/* and copy into bcc */
calc_lanman_hash(ses, lnm_session_key);
-
-#ifdef CONFIG_CIFS_DEBUG2
+ ses->flags |= CIFS_SES_LANMAN;
+/* #ifdef CONFIG_CIFS_DEBUG2
cifs_dump_mem("cryptkey: ",ses->server->cryptKey,
CIFS_SESS_KEY_SIZE);
-#endif
+#endif */
memcpy(bcc_ptr, (char *)lnm_session_key, CIFS_SESS_KEY_SIZE);
bcc_ptr += CIFS_SESS_KEY_SIZE;
changed to do higher than lanman dialect and
we reconnected would we ever calc signing_key? */
- cERROR(1,("Negotiating LANMAN setting up strings"));
+ cFYI(1,("Negotiating LANMAN setting up strings"));
/* Unicode not allowed for LANMAN dialects */
ascii_ssetup_strings(&bcc_ptr, ses, nls_cp);
#endif
if(first_time) /* should this be moved into common code
with similar ntlmv2 path? */
- cifs_calculate_mac_key( ses->server->mac_signing_key,
+ cifs_calculate_mac_key(ses->server->mac_signing_key,
ntlm_session_key, ses->password);
/* copy session key */
bcc_ptr += CIFS_SESS_KEY_SIZE;
memcpy(bcc_ptr, (char *)ntlm_session_key,CIFS_SESS_KEY_SIZE);
bcc_ptr += CIFS_SESS_KEY_SIZE;
- if(ses->capabilities & CAP_UNICODE)
+ if(ses->capabilities & CAP_UNICODE) {
+ /* unicode strings must be word aligned */
+ if (iov[0].iov_len % 2) {
+ *bcc_ptr = 0;
+ bcc_ptr++;
+ }
unicode_ssetup_strings(&bcc_ptr, ses, nls_cp);
- else
+ } else
ascii_ssetup_strings(&bcc_ptr, ses, nls_cp);
} else if (type == NTLMv2) {
char * v2_sess_key =
memcpy(bcc_ptr, (char *)v2_sess_key, sizeof(struct ntlmv2_resp));
bcc_ptr += sizeof(struct ntlmv2_resp);
kfree(v2_sess_key);
- if(ses->capabilities & CAP_UNICODE)
+ if(ses->capabilities & CAP_UNICODE) {
+ if(iov[0].iov_len % 2) {
+ *bcc_ptr = 0;
+ } bcc_ptr++;
unicode_ssetup_strings(&bcc_ptr, ses, nls_cp);
- else
+ } else
ascii_ssetup_strings(&bcc_ptr, ses, nls_cp);
} else /* NTLMSSP or SPNEGO */ {
pSMB->req.hdr.Flags2 |= SMBFLG2_EXT_SEC;
/* BB set password lengths */
}
- count = (long) bcc_ptr - (long) pByteArea(smb_buf);
+ count = (long) bcc_ptr - (long) str_area;
smb_buf->smb_buf_length += count;
- /* if we switch to small buffers, count will need to be fewer
- than 383 (strings less than 335 bytes) */
-
BCC_LE(smb_buf) = cpu_to_le16(count);
-
- /* BB FIXME check for other non ntlm code paths */
-
- /* BB check is this too big for a small smb? */
-
- iov[0].iov_base = (char *)pSMB;
- iov[0].iov_len = smb_buf->smb_buf_length + 4;
-
- rc = SendReceive2(xid, ses, iov, 1 /* num_iovecs */, &resp_buf_type, 0);
+ iov[1].iov_base = str_area;
+ iov[1].iov_len = count;
+ rc = SendReceive2(xid, ses, iov, 2 /* num_iovecs */, &resp_buf_type, 0);
/* SMB request buf freed in SendReceive2 */
cFYI(1,("ssetup rc from sendrecv2 is %d",rc));
rc = decode_ascii_ssetup(&bcc_ptr, bytes_remaining, ses,nls_cp);
ssetup_exit:
+ kfree(str_area);
if(resp_buf_type == CIFS_SMALL_BUFFER) {
cFYI(1,("ssetup freeing small buf %p", iov[0].iov_base));
cifs_small_buf_release(iov[0].iov_base);
git.openpandora.org / pandora-kernel.git / blobdiff