/*
* Wait for reply on the request
*/
static int
smb_rq_reply(struct smb_rq *rqp)
{
struct mdchain *mdp = &rqp->sr_rp;
u_int32_t tdw;
u_int8_t tb;
int error, rperror = 0;
error = smb_iod_waitrq(rqp);
if (error)
return error;
error = md_get_uint32(mdp, &tdw);
if (error)
return error;
error = md_get_uint8(mdp, &tb);
if (rqp->sr_vc->vc_hflags2 & SMB_FLAGS2_ERR_STATUS) {
error = md_get_uint32le(mdp, &rqp->sr_error);
} else {
error = md_get_uint8(mdp, &rqp->sr_errclass);
error = md_get_uint8(mdp, &tb);
error = md_get_uint16le(mdp, &rqp->sr_serror);
if (!error)
rperror = smb_maperror(rqp->sr_errclass, rqp->sr_serror);
}
error = md_get_uint8(mdp, &rqp->sr_rpflags);
error = md_get_uint16le(mdp, &rqp->sr_rpflags2);
error = md_get_uint32(mdp, &tdw);
error = md_get_uint32(mdp, &tdw);
error = md_get_uint32(mdp, &tdw);
error = md_get_uint16le(mdp, &rqp->sr_rptid);
error = md_get_uint16le(mdp, &rqp->sr_rppid);
error = md_get_uint16le(mdp, &rqp->sr_rpuid);
error = md_get_uint16le(mdp, &rqp->sr_rpmid);
if (error == 0 &&
(rqp->sr_vc->vc_hflags2 & SMB_FLAGS2_SECURITY_SIGNATURE))
error = smb_rq_verify(rqp);
SMBSDEBUG("M:%04x, P:%04x, U:%04x, T:%04x, E: %d:%d\n",
rqp->sr_rpmid, rqp->sr_rppid, rqp->sr_rpuid, rqp->sr_rptid,
rqp->sr_errclass, rqp->sr_serror);
return error ? error : rperror;
}
/*
* Wait for reply on the request
*/
static int
smb_rq_reply(struct smb_rq *rqp)
{
struct mdchain *mdp = &rqp->sr_rp;
u_int8_t tb;
int error, rperror = 0;
if (rqp->sr_timo == SMBNOREPLYWAIT)
return (smb_iod_removerq(rqp));
error = smb_iod_waitrq(rqp);
if (error)
return (error);
/*
* If the request was signed, validate the
* signature on the response.
*/
if (rqp->sr_rqflags2 & SMB_FLAGS2_SECURITY_SIGNATURE) {
error = smb_rq_verify(rqp);
if (error)
return (error);
}
/*
* Parse the SMB header
*/
error = md_get_uint32le(mdp, NULL);
if (error)
return (error);
error = md_get_uint8(mdp, &tb);
error = md_get_uint32le(mdp, &rqp->sr_error);
error = md_get_uint8(mdp, &rqp->sr_rpflags);
error = md_get_uint16le(mdp, &rqp->sr_rpflags2);
if (rqp->sr_rpflags2 & SMB_FLAGS2_ERR_STATUS) {
/*
* Do a special check for STATUS_BUFFER_OVERFLOW;
* it's not an error.
*/
if (rqp->sr_error == NT_STATUS_BUFFER_OVERFLOW) {
/*
* Don't report it as an error to our caller;
* they can look at rqp->sr_error if they
* need to know whether we got a
* STATUS_BUFFER_OVERFLOW.
* XXX - should we do that for all errors
* where (error & 0xC0000000) is 0x80000000,
* i.e. all warnings?
*/
rperror = 0;
} else
rperror = smb_maperr32(rqp->sr_error);
} else {
rqp->sr_errclass = rqp->sr_error & 0xff;
rqp->sr_serror = rqp->sr_error >> 16;
rperror = smb_maperror(rqp->sr_errclass, rqp->sr_serror);
}
if (rperror == EMOREDATA) {
rperror = E2BIG;
rqp->sr_flags |= SMBR_MOREDATA;
} else
rqp->sr_flags &= ~SMBR_MOREDATA;
error = md_get_uint32le(mdp, NULL);
error = md_get_uint32le(mdp, NULL);
error = md_get_uint32le(mdp, NULL);
error = md_get_uint16le(mdp, &rqp->sr_rptid);
error = md_get_uint16le(mdp, &rqp->sr_rppid);
error = md_get_uint16le(mdp, &rqp->sr_rpuid);
error = md_get_uint16le(mdp, &rqp->sr_rpmid);
SMBSDEBUG("M:%04x, P:%04x, U:%04x, T:%04x, E: %d:%d\n",
rqp->sr_rpmid, rqp->sr_rppid, rqp->sr_rpuid, rqp->sr_rptid,
rqp->sr_errclass, rqp->sr_serror);
return ((error) ? error : rperror);
}