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[CIFS] log better errors on failed mounts

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Also returns more accurate errors to mount for the cases of
account expired and password expired

Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Steve French 2007-10-18 21:45:27 +00:00
parent abb63d6c3d
commit a761ac579b
6 changed files with 35 additions and 26 deletions
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5
fs/cifs/cifsproto.h
View File

@ -50,7 +50,8 @@ extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo *,
int * /* bytes returned */ , const int long_op);
extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo *,
struct kvec *, int /* nvec to send */,
int * /* type of buf returned */ , const int long_op);
int * /* type of buf returned */ , const int long_op,
const int logError /* whether to log status code*/ );
extern int SendReceiveBlockingLock(const unsigned int /* xid */ ,
struct cifsTconInfo *,
struct smb_hdr * /* input */ ,
@ -65,7 +66,7 @@ extern unsigned int smbCalcSize_LE(struct smb_hdr *ptr);
extern int decode_negTokenInit(unsigned char *security_blob, int length,
enum securityEnum *secType);
extern int cifs_inet_pton(int, char *source, void *dst);
extern int map_smb_to_linux_error(struct smb_hdr *smb);
extern int map_smb_to_linux_error(struct smb_hdr *smb, int logErr);
extern void header_assemble(struct smb_hdr *, char /* command */ ,
const struct cifsTconInfo *, int /* length of
fixed section (word count) in two byte units */);

10
fs/cifs/cifssmb.c
View File

@ -1446,9 +1446,8 @@ CIFSSMBRead(const int xid, struct cifsTconInfo *tcon, const int netfid,
iov[0].iov_base = (char *)pSMB;
iov[0].iov_len = pSMB->hdr.smb_buf_length + 4;
rc = SendReceive2(xid, tcon->ses, iov,
1 /* num iovecs */,
&resp_buf_type, 0);
rc = SendReceive2(xid, tcon->ses, iov, 1 /* num iovecs */,
&resp_buf_type, 0 /* not long op */, 1 /* log err */ );
cifs_stats_inc(&tcon->num_reads);
pSMBr = (READ_RSP *)iov[0].iov_base;
if (rc) {
@ -1667,7 +1666,7 @@ CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
rc = SendReceive2(xid, tcon->ses, iov, n_vec + 1, &resp_buf_type,
long_op);
long_op, 0 /* do not log STATUS code */ );
cifs_stats_inc(&tcon->num_writes);
if (rc) {
cFYI(1, ("Send error Write2 = %d", rc));
@ -3094,7 +3093,8 @@ CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon, __u16 fid,
iov[0].iov_base = (char *)pSMB;
iov[0].iov_len = pSMB->hdr.smb_buf_length + 4;
rc = SendReceive2(xid, tcon->ses, iov, 1 /* num iovec */, &buf_type, 0);
rc = SendReceive2(xid, tcon->ses, iov, 1 /* num iovec */, &buf_type,
0 /* not long op */, 0 /* do not log STATUS codes */ );
cifs_stats_inc(&tcon->num_acl_get);
if (rc) {
cFYI(1, ("Send error in QuerySecDesc = %d", rc));

28
fs/cifs/netmisc.c
View File

@ -114,10 +114,16 @@ static const struct smb_to_posix_error mapping_table_ERRSRV[] = {
{ERRusempx, -EIO},
{ERRusestd, -EIO},
{ERR_NOTIFY_ENUM_DIR, -ENOBUFS},
{ERRaccountexpired, -EACCES},
{ERRnoSuchUser, -EACCES},
/* {ERRaccountexpired, -EACCES},
{ERRbadclient, -EACCES},
{ERRbadLogonTime, -EACCES},
{ERRpasswordExpired, -EACCES},
{ERRpasswordExpired, -EACCES},*/
{ERRaccountexpired, -EKEYEXPIRED},
{ERRbadclient, -EACCES},
{ERRbadLogonTime, -EACCES},
{ERRpasswordExpired, -EKEYEXPIRED},
{ERRnosupport, -EINVAL},
{0, 0}
};
@ -270,7 +276,7 @@ static const struct {
from NT_STATUS_NO_SUCH_USER to NT_STATUS_LOGON_FAILURE
during the session setup } */
{
ERRDOS, ERRnoaccess, NT_STATUS_NO_SUCH_USER}, {
ERRDOS, ERRnoaccess, NT_STATUS_NO_SUCH_USER}, { /* could map to 2238 */
ERRHRD, ERRgeneral, NT_STATUS_GROUP_EXISTS}, {
ERRHRD, ERRgeneral, NT_STATUS_NO_SUCH_GROUP}, {
ERRHRD, ERRgeneral, NT_STATUS_MEMBER_IN_GROUP}, {
@ -285,10 +291,10 @@ static const struct {
ERRHRD, ERRgeneral, NT_STATUS_PASSWORD_RESTRICTION}, {
ERRDOS, ERRnoaccess, NT_STATUS_LOGON_FAILURE}, {
ERRHRD, ERRgeneral, NT_STATUS_ACCOUNT_RESTRICTION}, {
ERRSRV, 2241, NT_STATUS_INVALID_LOGON_HOURS}, {
ERRSRV, 2240, NT_STATUS_INVALID_WORKSTATION}, {
ERRSRV, ERRbadLogonTime, NT_STATUS_INVALID_LOGON_HOURS}, {
ERRSRV, ERRbadclient, NT_STATUS_INVALID_WORKSTATION}, {
ERRSRV, ERRpasswordExpired, NT_STATUS_PASSWORD_EXPIRED}, {
ERRSRV, 2239, NT_STATUS_ACCOUNT_DISABLED}, {
ERRSRV, ERRaccountexpired, NT_STATUS_ACCOUNT_DISABLED}, {
ERRHRD, ERRgeneral, NT_STATUS_NONE_MAPPED}, {
ERRHRD, ERRgeneral, NT_STATUS_TOO_MANY_LUIDS_REQUESTED}, {
ERRHRD, ERRgeneral, NT_STATUS_LUIDS_EXHAUSTED}, {
@ -585,7 +591,7 @@ static const struct {
ERRDOS, ERRnoaccess, NT_STATUS_TRUST_FAILURE}, {
ERRHRD, ERRgeneral, NT_STATUS_MUTANT_LIMIT_EXCEEDED}, {
ERRDOS, ERRnetlogonNotStarted, NT_STATUS_NETLOGON_NOT_STARTED}, {
ERRSRV, 2239, NT_STATUS_ACCOUNT_EXPIRED}, {
ERRSRV, ERRaccountexpired, NT_STATUS_ACCOUNT_EXPIRED}, {
ERRHRD, ERRgeneral, NT_STATUS_POSSIBLE_DEADLOCK}, {
ERRHRD, ERRgeneral, NT_STATUS_NETWORK_CREDENTIAL_CONFLICT}, {
ERRHRD, ERRgeneral, NT_STATUS_REMOTE_SESSION_LIMIT}, {
@ -754,7 +760,7 @@ ntstatus_to_dos(__u32 ntstatus, __u8 * eclass, __u16 * ecode)
}
int
map_smb_to_linux_error(struct smb_hdr *smb)
map_smb_to_linux_error(struct smb_hdr *smb, int logErr)
{
unsigned int i;
int rc = -EIO; /* if transport error smb error may not be set */
@ -771,7 +777,9 @@ map_smb_to_linux_error(struct smb_hdr *smb)
/* translate the newer STATUS codes to old style SMB errors
* and then to POSIX errors */
__u32 err = le32_to_cpu(smb->Status.CifsError);
if (cifsFYI & CIFS_RC)
if (logErr && (err != (NT_STATUS_MORE_PROCESSING_REQUIRED)))
cifs_print_status(err);
else if (cifsFYI & CIFS_RC)
cifs_print_status(err);
ntstatus_to_dos(err, &smberrclass, &smberrcode);
} else {
@ -813,7 +821,7 @@ map_smb_to_linux_error(struct smb_hdr *smb)
}
/* else ERRHRD class errors or junk - return EIO */
cFYI(1, (" !!Mapping smb error code %d to POSIX err %d !!",
cFYI(1, ("Mapping smb error code %d to POSIX err %d",
smberrcode, rc));
/* generic corrective action e.g. reconnect SMB session on

3
fs/cifs/sess.c
View File

@ -513,7 +513,8 @@ CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, int first_time,
iov[1].iov_base = str_area;
iov[1].iov_len = count;
rc = SendReceive2(xid, ses, iov, 2 /* num_iovecs */, &resp_buf_type, 0);
rc = SendReceive2(xid, ses, iov, 2 /* num_iovecs */, &resp_buf_type,
0 /* not long op */, 1 /* log NT STATUS if any */ );
/* SMB request buf freed in SendReceive2 */
cFYI(1, ("ssetup rc from sendrecv2 is %d", rc));

5
fs/cifs/smberr.h
View File

@ -173,9 +173,10 @@
#define ERRusestd 251 /* temporarily unable to use either raw
or mpx */
#define ERR_NOTIFY_ENUM_DIR 1024
#define ERRnoSuchUser 2238 /* user account does not exist */
#define ERRaccountexpired 2239
#define ERRbadclient 2240
#define ERRbadLogonTime 2241
#define ERRbadclient 2240 /* can not logon from this client */
#define ERRbadLogonTime 2241 /* logon hours do not allow this */
#define ERRpasswordExpired 2242
#define ERRnetlogonNotStarted 2455
#define ERRnosupport 0xFFFF

10
fs/cifs/transport.c
View File

@ -418,7 +418,7 @@ static int wait_for_response(struct cifsSesInfo *ses,
int
SendReceive2(const unsigned int xid, struct cifsSesInfo *ses,
struct kvec *iov, int n_vec, int *pRespBufType /* ret */,
const int long_op)
const int long_op, const int logError)
{
int rc = 0;
unsigned int receive_len;
@ -464,7 +464,6 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses,
wake_up(&ses->server->request_q);
return rc;
}
rc = cifs_sign_smb2(iov, n_vec, ses->server, &midQ->sequence_number);
midQ->midState = MID_REQUEST_SUBMITTED;
@ -567,8 +566,7 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses,
}
/* BB special case reconnect tid and uid here? */
/* BB special case Errbadpassword and pwdexpired here */
rc = map_smb_to_linux_error(midQ->resp_buf);
rc = map_smb_to_linux_error(midQ->resp_buf, logError);
/* convert ByteCount if necessary */
if (receive_len >= sizeof(struct smb_hdr) - 4
@ -747,7 +745,7 @@ SendReceive(const unsigned int xid, struct cifsSesInfo *ses,
*pbytes_returned = out_buf->smb_buf_length;
/* BB special case reconnect tid and uid here? */
rc = map_smb_to_linux_error(out_buf);
rc = map_smb_to_linux_error(out_buf, 0 /* no log */ );
/* convert ByteCount if necessary */
if (receive_len >= sizeof(struct smb_hdr) - 4
@ -990,7 +988,7 @@ SendReceiveBlockingLock(const unsigned int xid, struct cifsTconInfo *tcon,
*pbytes_returned = out_buf->smb_buf_length;
/* BB special case reconnect tid and uid here? */
rc = map_smb_to_linux_error(out_buf);
rc = map_smb_to_linux_error(out_buf, 0 /* no log */ );
/* convert ByteCount if necessary */
if (receive_len >= sizeof(struct smb_hdr) - 4