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Diffstat (limited to 'fs/cifs/sess.c')
-rw-r--r--fs/cifs/sess.c77
1 files changed, 41 insertions, 36 deletions
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 76809f4..f230571 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -283,11 +283,11 @@ decode_unicode_ssetup(char **pbcc_area, int bleft, struct cifs_ses *ses,
int len;
char *data = *pbcc_area;
- cFYI(1, "bleft %d", bleft);
+ cifs_dbg(FYI, "bleft %d\n", bleft);
kfree(ses->serverOS);
ses->serverOS = cifs_strndup_from_utf16(data, bleft, true, nls_cp);
- cFYI(1, "serverOS=%s", ses->serverOS);
+ cifs_dbg(FYI, "serverOS=%s\n", ses->serverOS);
len = (UniStrnlen((wchar_t *) data, bleft / 2) * 2) + 2;
data += len;
bleft -= len;
@@ -296,7 +296,7 @@ decode_unicode_ssetup(char **pbcc_area, int bleft, struct cifs_ses *ses,
kfree(ses->serverNOS);
ses->serverNOS = cifs_strndup_from_utf16(data, bleft, true, nls_cp);
- cFYI(1, "serverNOS=%s", ses->serverNOS);
+ cifs_dbg(FYI, "serverNOS=%s\n", ses->serverNOS);
len = (UniStrnlen((wchar_t *) data, bleft / 2) * 2) + 2;
data += len;
bleft -= len;
@@ -305,7 +305,7 @@ decode_unicode_ssetup(char **pbcc_area, int bleft, struct cifs_ses *ses,
kfree(ses->serverDomain);
ses->serverDomain = cifs_strndup_from_utf16(data, bleft, true, nls_cp);
- cFYI(1, "serverDomain=%s", ses->serverDomain);
+ cifs_dbg(FYI, "serverDomain=%s\n", ses->serverDomain);
return;
}
@@ -318,7 +318,7 @@ static int decode_ascii_ssetup(char **pbcc_area, __u16 bleft,
int len;
char *bcc_ptr = *pbcc_area;
- cFYI(1, "decode sessetup ascii. bleft %d", bleft);
+ cifs_dbg(FYI, "decode sessetup ascii. bleft %d\n", bleft);
len = strnlen(bcc_ptr, bleft);
if (len >= bleft)
@@ -330,7 +330,7 @@ static int decode_ascii_ssetup(char **pbcc_area, __u16 bleft,
if (ses->serverOS)
strncpy(ses->serverOS, bcc_ptr, len);
if (strncmp(ses->serverOS, "OS/2", 4) == 0) {
- cFYI(1, "OS/2 server");
+ cifs_dbg(FYI, "OS/2 server\n");
ses->flags |= CIFS_SES_OS2;
}
@@ -359,7 +359,7 @@ static int decode_ascii_ssetup(char **pbcc_area, __u16 bleft,
/* 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);
+ cifs_dbg(FYI, "ascii: bytes left %d\n", bleft);
return rc;
}
@@ -373,16 +373,18 @@ int decode_ntlmssp_challenge(char *bcc_ptr, int blob_len,
CHALLENGE_MESSAGE *pblob = (CHALLENGE_MESSAGE *)bcc_ptr;
if (blob_len < sizeof(CHALLENGE_MESSAGE)) {
- cERROR(1, "challenge blob len %d too small", blob_len);
+ cifs_dbg(VFS, "challenge blob len %d too small\n", blob_len);
return -EINVAL;
}
if (memcmp(pblob->Signature, "NTLMSSP", 8)) {
- cERROR(1, "blob signature incorrect %s", pblob->Signature);
+ cifs_dbg(VFS, "blob signature incorrect %s\n",
+ pblob->Signature);
return -EINVAL;
}
if (pblob->MessageType != NtLmChallenge) {
- cERROR(1, "Incorrect message type %d", pblob->MessageType);
+ cifs_dbg(VFS, "Incorrect message type %d\n",
+ pblob->MessageType);
return -EINVAL;
}
@@ -395,16 +397,17 @@ int decode_ntlmssp_challenge(char *bcc_ptr, int blob_len,
tioffset = le32_to_cpu(pblob->TargetInfoArray.BufferOffset);
tilen = le16_to_cpu(pblob->TargetInfoArray.Length);
if (tioffset > blob_len || tioffset + tilen > blob_len) {
- cERROR(1, "tioffset + tilen too high %u + %u", tioffset, tilen);
+ cifs_dbg(VFS, "tioffset + tilen too high %u + %u",
+ tioffset, tilen);
return -EINVAL;
}
if (tilen) {
- ses->auth_key.response = kmalloc(tilen, GFP_KERNEL);
+ ses->auth_key.response = kmemdup(bcc_ptr + tioffset, tilen,
+ GFP_KERNEL);
if (!ses->auth_key.response) {
- cERROR(1, "Challenge target info allocation failure");
+ cifs_dbg(VFS, "Challenge target info alloc failure");
return -ENOMEM;
}
- memcpy(ses->auth_key.response, bcc_ptr + tioffset, tilen);
ses->auth_key.len = tilen;
}
@@ -486,7 +489,7 @@ int build_ntlmssp_auth_blob(unsigned char *pbuffer,
sec_blob->NtChallengeResponse.BufferOffset = cpu_to_le32(tmp - pbuffer);
rc = setup_ntlmv2_rsp(ses, nls_cp);
if (rc) {
- cERROR(1, "Error %d during NTLMSSP authentication", rc);
+ cifs_dbg(VFS, "Error %d during NTLMSSP authentication\n", rc);
goto setup_ntlmv2_ret;
}
memcpy(tmp, ses->auth_key.response + CIFS_SESS_KEY_SIZE,
@@ -580,7 +583,7 @@ CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses,
return -EINVAL;
type = ses->server->secType;
- cFYI(1, "sess setup type %d", type);
+ cifs_dbg(FYI, "sess setup type %d\n", type);
if (type == RawNTLMSSP) {
/* if memory allocation is successful, caller of this function
* frees it.
@@ -674,7 +677,7 @@ ssetup_ntlmssp_authenticate:
changed to do higher than lanman dialect and
we reconnected would we ever calc signing_key? */
- cFYI(1, "Negotiating LANMAN setting up strings");
+ cifs_dbg(FYI, "Negotiating LANMAN setting up strings\n");
/* Unicode not allowed for LANMAN dialects */
ascii_ssetup_strings(&bcc_ptr, ses, nls_cp);
#endif
@@ -688,7 +691,8 @@ ssetup_ntlmssp_authenticate:
/* calculate ntlm response and session key */
rc = setup_ntlm_response(ses, nls_cp);
if (rc) {
- cERROR(1, "Error %d during NTLM authentication", rc);
+ cifs_dbg(VFS, "Error %d during NTLM authentication\n",
+ rc);
goto ssetup_exit;
}
@@ -718,7 +722,8 @@ ssetup_ntlmssp_authenticate:
/* calculate nlmv2 response and session key */
rc = setup_ntlmv2_rsp(ses, nls_cp);
if (rc) {
- cERROR(1, "Error %d during NTLMv2 authentication", rc);
+ cifs_dbg(VFS, "Error %d during NTLMv2 authentication\n",
+ rc);
goto ssetup_exit;
}
memcpy(bcc_ptr, ses->auth_key.response + CIFS_SESS_KEY_SIZE,
@@ -754,21 +759,21 @@ ssetup_ntlmssp_authenticate:
/* check version field to make sure that cifs.upcall is
sending us a response in an expected form */
if (msg->version != CIFS_SPNEGO_UPCALL_VERSION) {
- cERROR(1, "incorrect version of cifs.upcall (expected"
- " %d but got %d)",
+ cifs_dbg(VFS, "incorrect version of cifs.upcall "
+ "expected %d but got %d)",
CIFS_SPNEGO_UPCALL_VERSION, msg->version);
rc = -EKEYREJECTED;
goto ssetup_exit;
}
- ses->auth_key.response = kmalloc(msg->sesskey_len, GFP_KERNEL);
+ ses->auth_key.response = kmemdup(msg->data, msg->sesskey_len,
+ GFP_KERNEL);
if (!ses->auth_key.response) {
- cERROR(1, "Kerberos can't allocate (%u bytes) memory",
+ cifs_dbg(VFS, "Kerberos can't allocate (%u bytes) memory",
msg->sesskey_len);
rc = -ENOMEM;
goto ssetup_exit;
}
- memcpy(ses->auth_key.response, msg->data, msg->sesskey_len);
ses->auth_key.len = msg->sesskey_len;
pSMB->req.hdr.Flags2 |= SMBFLG2_EXT_SEC;
@@ -790,18 +795,18 @@ ssetup_ntlmssp_authenticate:
/* BB: is this right? */
ascii_ssetup_strings(&bcc_ptr, ses, nls_cp);
#else /* ! CONFIG_CIFS_UPCALL */
- cERROR(1, "Kerberos negotiated but upcall support disabled!");
+ cifs_dbg(VFS, "Kerberos negotiated but upcall support disabled!\n");
rc = -ENOSYS;
goto ssetup_exit;
#endif /* CONFIG_CIFS_UPCALL */
} else if (type == RawNTLMSSP) {
if ((pSMB->req.hdr.Flags2 & SMBFLG2_UNICODE) == 0) {
- cERROR(1, "NTLMSSP requires Unicode support");
+ cifs_dbg(VFS, "NTLMSSP requires Unicode support\n");
rc = -ENOSYS;
goto ssetup_exit;
}
- cFYI(1, "ntlmssp session setup phase %d", phase);
+ cifs_dbg(FYI, "ntlmssp session setup phase %d\n", phase);
pSMB->req.hdr.Flags2 |= SMBFLG2_EXT_SEC;
capabilities |= CAP_EXTENDED_SECURITY;
pSMB->req.Capabilities |= cpu_to_le32(capabilities);
@@ -824,7 +829,6 @@ ssetup_ntlmssp_authenticate:
5*sizeof(struct _AUTHENTICATE_MESSAGE),
GFP_KERNEL);
if (!ntlmsspblob) {
- cERROR(1, "Can't allocate NTLMSSP blob");
rc = -ENOMEM;
goto ssetup_exit;
}
@@ -844,7 +848,7 @@ ssetup_ntlmssp_authenticate:
smb_buf->Uid = ses->Suid;
break;
default:
- cERROR(1, "invalid phase %d", phase);
+ cifs_dbg(VFS, "invalid phase %d\n", phase);
rc = -ENOSYS;
goto ssetup_exit;
}
@@ -855,7 +859,7 @@ ssetup_ntlmssp_authenticate:
}
unicode_oslm_strings(&bcc_ptr, nls_cp);
} else {
- cERROR(1, "secType %d not supported!", type);
+ cifs_dbg(VFS, "secType %d not supported!\n", type);
rc = -ENOSYS;
goto ssetup_exit;
}
@@ -880,7 +884,7 @@ ssetup_ntlmssp_authenticate:
(smb_buf->Status.CifsError ==
cpu_to_le32(NT_STATUS_MORE_PROCESSING_REQUIRED))) {
if (phase != NtLmNegotiate) {
- cERROR(1, "Unexpected more processing error");
+ cifs_dbg(VFS, "Unexpected more processing error\n");
goto ssetup_exit;
}
/* NTLMSSP Negotiate sent now processing challenge (response) */
@@ -892,14 +896,14 @@ ssetup_ntlmssp_authenticate:
if ((smb_buf->WordCount != 3) && (smb_buf->WordCount != 4)) {
rc = -EIO;
- cERROR(1, "bad word count %d", smb_buf->WordCount);
+ cifs_dbg(VFS, "bad word count %d\n", smb_buf->WordCount);
goto ssetup_exit;
}
action = le16_to_cpu(pSMB->resp.Action);
if (action & GUEST_LOGIN)
- cFYI(1, "Guest login"); /* BB mark SesInfo struct? */
+ cifs_dbg(FYI, "Guest login\n"); /* BB mark SesInfo struct? */
ses->Suid = smb_buf->Uid; /* UID left in wire format (le) */
- cFYI(1, "UID = %llu ", ses->Suid);
+ cifs_dbg(FYI, "UID = %llu\n", ses->Suid);
/* response can have either 3 or 4 word count - Samba sends 3 */
/* and lanman response is 3 */
bytes_remaining = get_bcc(smb_buf);
@@ -908,7 +912,8 @@ ssetup_ntlmssp_authenticate:
if (smb_buf->WordCount == 4) {
blob_len = le16_to_cpu(pSMB->resp.SecurityBlobLength);
if (blob_len > bytes_remaining) {
- cERROR(1, "bad security blob length %d", blob_len);
+ cifs_dbg(VFS, "bad security blob length %d\n",
+ blob_len);
rc = -EINVAL;
goto ssetup_exit;
}
@@ -946,7 +951,7 @@ ssetup_exit:
kfree(ntlmsspblob);
ntlmsspblob = NULL;
if (resp_buf_type == CIFS_SMALL_BUFFER) {
- cFYI(1, "ssetup freeing small buf %p", iov[0].iov_base);
+ cifs_dbg(FYI, "ssetup freeing small buf %p\n", iov[0].iov_base);
cifs_small_buf_release(iov[0].iov_base);
} else if (resp_buf_type == CIFS_LARGE_BUFFER)
cifs_buf_release(iov[0].iov_base);
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