void
nlm_prog_0(struct svc_req *rqstp, SVCXPRT *transp)
{
union {
struct nlm_sm_status nlm_sm_notify_0_arg;
} argument;
char result;
bool_t retval;
xdrproc_t xdr_argument, xdr_result;
bool_t (*local)(char *, void *, struct svc_req *);
switch (rqstp->rq_proc) {
case NULLPROC:
(void) svc_sendreply(rqstp,
(xdrproc_t) xdr_void, (char *)NULL);
svc_freereq(rqstp);
return;
case NLM_SM_NOTIFY:
xdr_argument = (xdrproc_t) xdr_nlm_sm_status;
xdr_result = (xdrproc_t) xdr_void;
local = (bool_t (*) (char *, void *, struct svc_req *))nlm_sm_notify_0_svc;
break;
default:
svcerr_noproc(rqstp);
svc_freereq(rqstp);
return;
}
(void) memset((char *)&argument, 0, sizeof (argument));
if (!svc_getargs(rqstp, xdr_argument, (char *)(caddr_t) &argument)) {
svcerr_decode(rqstp);
svc_freereq(rqstp);
return;
}
retval = (bool_t) (*local)((char *)&argument, (void *)&result, rqstp);
if (retval > 0 && !svc_sendreply(rqstp, xdr_result, (char *)&result)) {
svcerr_systemerr(rqstp);
}
if (!svc_freeargs(rqstp, xdr_argument, (char *)(caddr_t) &argument)) {
printf("unable to free arguments");
//exit(1);
}
svc_freereq(rqstp);
return;
}
static void
nfssvc_program(struct svc_req *rqst, SVCXPRT *xprt)
{
struct nfsrv_descript nd;
struct nfsrvcache *rp = NULL;
int cacherep, credflavor;
memset(&nd, 0, sizeof(nd));
if (rqst->rq_vers == NFS_VER2) {
if (rqst->rq_proc > NFSV2PROC_STATFS) {
svcerr_noproc(rqst);
svc_freereq(rqst);
goto out;
}
nd.nd_procnum = newnfs_nfsv3_procid[rqst->rq_proc];
nd.nd_flag = ND_NFSV2;
} else if (rqst->rq_vers == NFS_VER3) {
if (rqst->rq_proc >= NFS_V3NPROCS) {
svcerr_noproc(rqst);
svc_freereq(rqst);
goto out;
}
nd.nd_procnum = rqst->rq_proc;
nd.nd_flag = ND_NFSV3;
} else {
if (rqst->rq_proc != NFSPROC_NULL &&
rqst->rq_proc != NFSV4PROC_COMPOUND) {
svcerr_noproc(rqst);
svc_freereq(rqst);
goto out;
}
nd.nd_procnum = rqst->rq_proc;
nd.nd_flag = ND_NFSV4;
}
/*
* Note: we want rq_addr, not svc_getrpccaller for nd_nam2 -
* NFS_SRVMAXDATA uses a NULL value for nd_nam2 to detect TCP
* mounts.
*/
nd.nd_mrep = rqst->rq_args;
rqst->rq_args = NULL;
newnfs_realign(&nd.nd_mrep, M_WAITOK);
nd.nd_md = nd.nd_mrep;
nd.nd_dpos = mtod(nd.nd_md, caddr_t);
nd.nd_nam = svc_getrpccaller(rqst);
nd.nd_nam2 = rqst->rq_addr;
nd.nd_mreq = NULL;
nd.nd_cred = NULL;
if (nfs_privport && (nd.nd_flag & ND_NFSV4) == 0) {
/* Check if source port is privileged */
u_short port;
struct sockaddr *nam = nd.nd_nam;
struct sockaddr_in *sin;
sin = (struct sockaddr_in *)nam;
/*
* INET/INET6 - same code:
* sin_port and sin6_port are at same offset
*/
port = ntohs(sin->sin_port);
if (port >= IPPORT_RESERVED &&
nd.nd_procnum != NFSPROC_NULL) {
#ifdef INET6
char b6[INET6_ADDRSTRLEN];
#if defined(KLD_MODULE)
/* Do not use ip6_sprintf: the nfs module should work without INET6. */
#define ip6_sprintf(buf, a) \
(sprintf((buf), "%x:%x:%x:%x:%x:%x:%x:%x", \
(a)->s6_addr16[0], (a)->s6_addr16[1], \
(a)->s6_addr16[2], (a)->s6_addr16[3], \
(a)->s6_addr16[4], (a)->s6_addr16[5], \
(a)->s6_addr16[6], (a)->s6_addr16[7]), \
(buf))
#endif
#endif
printf("NFS request from unprivileged port (%s:%d)\n",
#ifdef INET6
sin->sin_family == AF_INET6 ?
ip6_sprintf(b6, &satosin6(sin)->sin6_addr) :
#if defined(KLD_MODULE)
#undef ip6_sprintf
#endif
#endif
inet_ntoa(sin->sin_addr), port);
svcerr_weakauth(rqst);
svc_freereq(rqst);
m_freem(nd.nd_mrep);
goto out;
}
}
if (nd.nd_procnum != NFSPROC_NULL) {
if (!svc_getcred(rqst, &nd.nd_cred, &credflavor)) {
svcerr_weakauth(rqst);
svc_freereq(rqst);
m_freem(nd.nd_mrep);
goto out;
}
/* Set the flag based on credflavor */
if (credflavor == RPCSEC_GSS_KRB5) {
nd.nd_flag |= ND_GSS;
} else if (credflavor == RPCSEC_GSS_KRB5I) {
nd.nd_flag |= (ND_GSS | ND_GSSINTEGRITY);
} else if (credflavor == RPCSEC_GSS_KRB5P) {
nd.nd_flag |= (ND_GSS | ND_GSSPRIVACY);
} else if (credflavor != AUTH_SYS) {
svcerr_weakauth(rqst);
svc_freereq(rqst);
m_freem(nd.nd_mrep);
goto out;
}
#ifdef MAC
mac_cred_associate_nfsd(nd.nd_cred);
#endif
/*
* Get a refcnt (shared lock) on nfsd_suspend_lock.
* NFSSVC_SUSPENDNFSD will take an exclusive lock on
* nfsd_suspend_lock to suspend these threads.
* This must be done here, before the check of
* nfsv4root exports by nfsvno_v4rootexport().
*/
NFSLOCKV4ROOTMUTEX();
nfsv4_getref(&nfsd_suspend_lock, NULL, NFSV4ROOTLOCKMUTEXPTR,
NULL);
NFSUNLOCKV4ROOTMUTEX();
if ((nd.nd_flag & ND_NFSV4) != 0) {
nd.nd_repstat = nfsvno_v4rootexport(&nd);
if (nd.nd_repstat != 0) {
NFSLOCKV4ROOTMUTEX();
nfsv4_relref(&nfsd_suspend_lock);
NFSUNLOCKV4ROOTMUTEX();
svcerr_weakauth(rqst);
svc_freereq(rqst);
m_freem(nd.nd_mrep);
goto out;
}
}
cacherep = nfs_proc(&nd, rqst->rq_xid, xprt, &rp);
NFSLOCKV4ROOTMUTEX();
nfsv4_relref(&nfsd_suspend_lock);
NFSUNLOCKV4ROOTMUTEX();
} else {
NFSMGET(nd.nd_mreq);
nd.nd_mreq->m_len = 0;
cacherep = RC_REPLY;
}
if (nd.nd_mrep != NULL)
m_freem(nd.nd_mrep);
if (nd.nd_cred != NULL)
crfree(nd.nd_cred);
if (cacherep == RC_DROPIT) {
if (nd.nd_mreq != NULL)
m_freem(nd.nd_mreq);
svc_freereq(rqst);
goto out;
}
if (nd.nd_mreq == NULL) {
svcerr_decode(rqst);
svc_freereq(rqst);
goto out;
}
if (nd.nd_repstat & NFSERR_AUTHERR) {
svcerr_auth(rqst, nd.nd_repstat & ~NFSERR_AUTHERR);
if (nd.nd_mreq != NULL)
m_freem(nd.nd_mreq);
} else if (!svc_sendreply_mbuf(rqst, nd.nd_mreq)) {
svcerr_systemerr(rqst);
}
if (rp != NULL) {
nfsrvd_sentcache(rp, (rqst->rq_reply_seq != 0 ||
SVC_ACK(xprt, NULL)), rqst->rq_reply_seq);
}
svc_freereq(rqst);
out:
NFSEXITCODE(0);
}
/*
* Handles server to client callbacks.
*/
static void
nfscb_program(struct svc_req *rqst, SVCXPRT *xprt)
{
struct nfsrv_descript nd;
int cacherep, credflavor;
memset(&nd, 0, sizeof(nd));
if (rqst->rq_proc != NFSPROC_NULL &&
rqst->rq_proc != NFSV4PROC_CBCOMPOUND) {
svcerr_noproc(rqst);
svc_freereq(rqst);
return;
}
nd.nd_procnum = rqst->rq_proc;
nd.nd_flag = (ND_NFSCB | ND_NFSV4);
/*
* Note: we want rq_addr, not svc_getrpccaller for nd_nam2 -
* NFS_SRVMAXDATA uses a NULL value for nd_nam2 to detect TCP
* mounts.
*/
nd.nd_mrep = rqst->rq_args;
rqst->rq_args = NULL;
newnfs_realign(&nd.nd_mrep, M_WAITOK);
nd.nd_md = nd.nd_mrep;
nd.nd_dpos = mtod(nd.nd_md, caddr_t);
nd.nd_nam = svc_getrpccaller(rqst);
nd.nd_nam2 = rqst->rq_addr;
nd.nd_mreq = NULL;
nd.nd_cred = NULL;
NFSCL_DEBUG(1, "cbproc=%d\n",nd.nd_procnum);
if (nd.nd_procnum != NFSPROC_NULL) {
if (!svc_getcred(rqst, &nd.nd_cred, &credflavor)) {
svcerr_weakauth(rqst);
svc_freereq(rqst);
m_freem(nd.nd_mrep);
return;
}
/* For now, I don't care what credential flavor was used. */
#ifdef notyet
#ifdef MAC
mac_cred_associate_nfsd(nd.nd_cred);
#endif
#endif
cacherep = nfs_cbproc(&nd, rqst->rq_xid);
} else {
NFSMGET(nd.nd_mreq);
nd.nd_mreq->m_len = 0;
cacherep = RC_REPLY;
}
if (nd.nd_mrep != NULL)
m_freem(nd.nd_mrep);
if (nd.nd_cred != NULL)
crfree(nd.nd_cred);
if (cacherep == RC_DROPIT) {
if (nd.nd_mreq != NULL)
m_freem(nd.nd_mreq);
svc_freereq(rqst);
return;
}
if (nd.nd_mreq == NULL) {
svcerr_decode(rqst);
svc_freereq(rqst);
return;
}
if (nd.nd_repstat & NFSERR_AUTHERR) {
svcerr_auth(rqst, nd.nd_repstat & ~NFSERR_AUTHERR);
if (nd.nd_mreq != NULL)
m_freem(nd.nd_mreq);
} else if (!svc_sendreply_mbuf(rqst, nd.nd_mreq))
svcerr_systemerr(rqst);
else
NFSCL_DEBUG(1, "cbrep sent\n");
svc_freereq(rqst);
}
void
nlm_prog_1(struct svc_req *rqstp, SVCXPRT *transp)
{
union {
struct nlm_testargs nlm_test_1_arg;
struct nlm_lockargs nlm_lock_1_arg;
struct nlm_cancargs nlm_cancel_1_arg;
struct nlm_unlockargs nlm_unlock_1_arg;
struct nlm_testargs nlm_granted_1_arg;
struct nlm_testargs nlm_test_msg_1_arg;
struct nlm_lockargs nlm_lock_msg_1_arg;
struct nlm_cancargs nlm_cancel_msg_1_arg;
struct nlm_unlockargs nlm_unlock_msg_1_arg;
struct nlm_testargs nlm_granted_msg_1_arg;
nlm_testres nlm_test_res_1_arg;
nlm_res nlm_lock_res_1_arg;
nlm_res nlm_cancel_res_1_arg;
nlm_res nlm_unlock_res_1_arg;
nlm_res nlm_granted_res_1_arg;
} argument;
union {
nlm_testres nlm_test_1_res;
nlm_res nlm_lock_1_res;
nlm_res nlm_cancel_1_res;
nlm_res nlm_unlock_1_res;
nlm_res nlm_granted_1_res;
} result;
bool_t retval;
xdrproc_t xdr_argument, xdr_result;
bool_t (*local)(char *, void *, struct svc_req *);
switch (rqstp->rq_proc) {
case NULLPROC:
(void) svc_sendreply(rqstp,
(xdrproc_t) xdr_void, (char *)NULL);
svc_freereq(rqstp);
return;
case NLM_TEST:
xdr_argument = (xdrproc_t) xdr_nlm_testargs;
xdr_result = (xdrproc_t) xdr_nlm_testres;
local = (bool_t (*) (char *, void *, struct svc_req *))nlm_test_1_svc;
break;
case NLM_LOCK:
xdr_argument = (xdrproc_t) xdr_nlm_lockargs;
xdr_result = (xdrproc_t) xdr_nlm_res;
local = (bool_t (*) (char *, void *, struct svc_req *))nlm_lock_1_svc;
break;
case NLM_CANCEL:
xdr_argument = (xdrproc_t) xdr_nlm_cancargs;
xdr_result = (xdrproc_t) xdr_nlm_res;
local = (bool_t (*) (char *, void *, struct svc_req *))nlm_cancel_1_svc;
break;
case NLM_UNLOCK:
xdr_argument = (xdrproc_t) xdr_nlm_unlockargs;
xdr_result = (xdrproc_t) xdr_nlm_res;
local = (bool_t (*) (char *, void *, struct svc_req *))nlm_unlock_1_svc;
break;
case NLM_GRANTED:
xdr_argument = (xdrproc_t) xdr_nlm_testargs;
xdr_result = (xdrproc_t) xdr_nlm_res;
local = (bool_t (*) (char *, void *, struct svc_req *))nlm_granted_1_svc;
break;
case NLM_TEST_MSG:
xdr_argument = (xdrproc_t) xdr_nlm_testargs;
xdr_result = (xdrproc_t) xdr_void;
local = (bool_t (*) (char *, void *, struct svc_req *))nlm_test_msg_1_svc;
break;
case NLM_LOCK_MSG:
xdr_argument = (xdrproc_t) xdr_nlm_lockargs;
xdr_result = (xdrproc_t) xdr_void;
local = (bool_t (*) (char *, void *, struct svc_req *))nlm_lock_msg_1_svc;
break;
case NLM_CANCEL_MSG:
xdr_argument = (xdrproc_t) xdr_nlm_cancargs;
xdr_result = (xdrproc_t) xdr_void;
local = (bool_t (*) (char *, void *, struct svc_req *))nlm_cancel_msg_1_svc;
break;
case NLM_UNLOCK_MSG:
xdr_argument = (xdrproc_t) xdr_nlm_unlockargs;
xdr_result = (xdrproc_t) xdr_void;
local = (bool_t (*) (char *, void *, struct svc_req *))nlm_unlock_msg_1_svc;
break;
case NLM_GRANTED_MSG:
xdr_argument = (xdrproc_t) xdr_nlm_testargs;
xdr_result = (xdrproc_t) xdr_void;
local = (bool_t (*) (char *, void *, struct svc_req *))nlm_granted_msg_1_svc;
break;
case NLM_TEST_RES:
xdr_argument = (xdrproc_t) xdr_nlm_testres;
xdr_result = (xdrproc_t) xdr_void;
local = (bool_t (*) (char *, void *, struct svc_req *))nlm_test_res_1_svc;
break;
case NLM_LOCK_RES:
xdr_argument = (xdrproc_t) xdr_nlm_res;
xdr_result = (xdrproc_t) xdr_void;
local = (bool_t (*) (char *, void *, struct svc_req *))nlm_lock_res_1_svc;
break;
case NLM_CANCEL_RES:
xdr_argument = (xdrproc_t) xdr_nlm_res;
xdr_result = (xdrproc_t) xdr_void;
local = (bool_t (*) (char *, void *, struct svc_req *))nlm_cancel_res_1_svc;
break;
case NLM_UNLOCK_RES:
xdr_argument = (xdrproc_t) xdr_nlm_res;
xdr_result = (xdrproc_t) xdr_void;
local = (bool_t (*) (char *, void *, struct svc_req *))nlm_unlock_res_1_svc;
break;
case NLM_GRANTED_RES:
xdr_argument = (xdrproc_t) xdr_nlm_res;
xdr_result = (xdrproc_t) xdr_void;
local = (bool_t (*) (char *, void *, struct svc_req *))nlm_granted_res_1_svc;
break;
default:
svcerr_noproc(rqstp);
svc_freereq(rqstp);
return;
}
(void) memset((char *)&argument, 0, sizeof (argument));
if (!svc_getargs(rqstp, xdr_argument, (char *)(caddr_t) &argument)) {
svcerr_decode(rqstp);
svc_freereq(rqstp);
return;
}
retval = (bool_t) (*local)((char *)&argument, (void *)&result, rqstp);
if (retval > 0 && !svc_sendreply(rqstp, xdr_result, (char *)&result)) {
svcerr_systemerr(rqstp);
}
if (!svc_freeargs(rqstp, xdr_argument, (char *)(caddr_t) &argument)) {
printf("unable to free arguments");
//exit(1);
}
svc_freereq(rqstp);
if (!nlm_prog_1_freeresult(transp, xdr_result, (caddr_t) &result))
printf("unable to free results");
return;
}
void
nlm_prog_3(struct svc_req *rqstp, SVCXPRT *transp)
{
union {
nlm_shareargs nlm_share_3_arg;
nlm_shareargs nlm_unshare_3_arg;
nlm_lockargs nlm_nm_lock_3_arg;
nlm_notify nlm_free_all_3_arg;
} argument;
union {
nlm_shareres nlm_share_3_res;
nlm_shareres nlm_unshare_3_res;
nlm_res nlm_nm_lock_3_res;
} result;
bool_t retval;
xdrproc_t xdr_argument, xdr_result;
bool_t (*local)(char *, void *, struct svc_req *);
switch (rqstp->rq_proc) {
case NULLPROC:
(void) svc_sendreply(rqstp,
(xdrproc_t) xdr_void, (char *)NULL);
svc_freereq(rqstp);
return;
case NLM_TEST:
case NLM_LOCK:
case NLM_CANCEL:
case NLM_UNLOCK:
case NLM_GRANTED:
case NLM_TEST_MSG:
case NLM_LOCK_MSG:
case NLM_CANCEL_MSG:
case NLM_UNLOCK_MSG:
case NLM_GRANTED_MSG:
case NLM_TEST_RES:
case NLM_LOCK_RES:
case NLM_CANCEL_RES:
case NLM_UNLOCK_RES:
case NLM_GRANTED_RES:
nlm_prog_1(rqstp, transp);
return;
case NLM_SHARE:
xdr_argument = (xdrproc_t) xdr_nlm_shareargs;
xdr_result = (xdrproc_t) xdr_nlm_shareres;
local = (bool_t (*) (char *, void *, struct svc_req *))nlm_share_3_svc;
break;
case NLM_UNSHARE:
xdr_argument = (xdrproc_t) xdr_nlm_shareargs;
xdr_result = (xdrproc_t) xdr_nlm_shareres;
local = (bool_t (*) (char *, void *, struct svc_req *))nlm_unshare_3_svc;
break;
case NLM_NM_LOCK:
xdr_argument = (xdrproc_t) xdr_nlm_lockargs;
xdr_result = (xdrproc_t) xdr_nlm_res;
local = (bool_t (*) (char *, void *, struct svc_req *))nlm_nm_lock_3_svc;
break;
case NLM_FREE_ALL:
xdr_argument = (xdrproc_t) xdr_nlm_notify;
xdr_result = (xdrproc_t) xdr_void;
local = (bool_t (*) (char *, void *, struct svc_req *))nlm_free_all_3_svc;
break;
default:
svcerr_noproc(rqstp);
svc_freereq(rqstp);
return;
}
(void) memset((char *)&argument, 0, sizeof (argument));
if (!svc_getargs(rqstp, xdr_argument, (char *)(caddr_t) &argument)) {
svcerr_decode(rqstp);
svc_freereq(rqstp);
return;
}
retval = (bool_t) (*local)((char *)&argument, (void *)&result, rqstp);
if (retval > 0 && !svc_sendreply(rqstp, xdr_result, (char *)&result)) {
svcerr_systemerr(rqstp);
}
if (!svc_freeargs(rqstp, xdr_argument, (char *)(caddr_t) &argument)) {
printf("unable to free arguments");
//exit(1);
}
svc_freereq(rqstp);
if (!nlm_prog_3_freeresult(transp, xdr_result, (caddr_t) &result))
printf("unable to free results");
return;
}
