#include <nfs/nfs_conf.h>
#if CONFIG_NFS_CLIENT
#include <sys/param.h>
#include <sys/proc.h>
#include <sys/kauth.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/mount_internal.h>
#include <sys/vnode_internal.h>
#include <sys/kpi_mbuf.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/malloc.h>
#include <sys/syscall.h>
#include <sys/ubc_internal.h>
#include <sys/fcntl.h>
#include <sys/quota.h>
#include <sys/domain.h>
#include <libkern/OSAtomic.h>
#include <kern/thread_call.h>
#include <sys/vm.h>
#include <sys/vmparam.h>
#include <sys/time.h>
#include <kern/clock.h>
#include <nfs/rpcv2.h>
#include <nfs/nfsproto.h>
#include <nfs/nfs.h>
#include <nfs/nfsnode.h>
#include <nfs/xdr_subs.h>
#include <nfs/nfsm_subs.h>
#include <nfs/nfs_gss.h>
#include <nfs/nfsmount.h>
#include <nfs/nfs_lock.h>
#include <miscfs/specfs/specdev.h>
#include <netinet/in.h>
#include <net/kpi_interface.h>
#if CONFIG_NFS4
#define NFS_MAX_WHO MAXPATHLEN
int
nfs4_init_clientid(struct nfsmount *nmp)
{
struct nfs_client_id *ncip, *ncip2;
struct sockaddr *saddr;
int error, cmp;
long len, len2;
struct vfsstatfs *vsfs;
static uint8_t en0addr[6];
static uint8_t en0addr_set = 0;
lck_mtx_lock(&nfs_global_mutex);
if (!en0addr_set) {
ifnet_t interface = NULL;
error = ifnet_find_by_name("en0", &interface);
if (!error) {
error = ifnet_lladdr_copy_bytes(interface, en0addr, sizeof(en0addr));
}
if (error) {
printf("nfs4_init_clientid: error getting en0 address, %d\n", error);
}
if (!error) {
en0addr_set = 1;
}
if (interface) {
ifnet_release(interface);
}
}
lck_mtx_unlock(&nfs_global_mutex);
MALLOC(ncip, struct nfs_client_id *, sizeof(struct nfs_client_id), M_TEMP, M_WAITOK);
if (!ncip) {
return ENOMEM;
}
vsfs = vfs_statfs(nmp->nm_mountp);
saddr = nmp->nm_saddr;
ncip->nci_idlen = sizeof(uint32_t) + sizeof(en0addr) + saddr->sa_len +
strlen(vsfs->f_mntfromname) + 1 + strlen(vsfs->f_mntonname) + 1;
if (ncip->nci_idlen > NFS4_OPAQUE_LIMIT) {
ncip->nci_idlen = NFS4_OPAQUE_LIMIT;
}
MALLOC(ncip->nci_id, char *, ncip->nci_idlen, M_TEMP, M_WAITOK);
if (!ncip->nci_id) {
FREE(ncip, M_TEMP);
return ENOMEM;
}
*(uint32_t*)ncip->nci_id = 0;
len = sizeof(uint32_t);
len2 = lmin(sizeof(en0addr), ncip->nci_idlen - len);
bcopy(en0addr, &ncip->nci_id[len], len2);
len += sizeof(en0addr);
len2 = lmin(saddr->sa_len, ncip->nci_idlen - len);
bcopy(saddr, &ncip->nci_id[len], len2);
len += len2;
if (len < ncip->nci_idlen) {
len2 = strlcpy(&ncip->nci_id[len], vsfs->f_mntfromname, ncip->nci_idlen - len);
if (len2 < (ncip->nci_idlen - len)) {
len += len2 + 1;
} else {
len = ncip->nci_idlen;
}
}
if (len < ncip->nci_idlen) {
len2 = strlcpy(&ncip->nci_id[len], vsfs->f_mntonname, ncip->nci_idlen - len);
if (len2 < (ncip->nci_idlen - len)) {
len += len2 + 1;
} else {
len = ncip->nci_idlen;
}
}
lck_mtx_lock(&nfs_global_mutex);
TAILQ_FOREACH(ncip2, &nfsclientids, nci_link) {
if (ncip->nci_idlen > ncip2->nci_idlen) {
continue;
}
if (ncip->nci_idlen < ncip2->nci_idlen) {
break;
}
cmp = bcmp(ncip->nci_id + sizeof(uint32_t),
ncip2->nci_id + sizeof(uint32_t),
ncip->nci_idlen - sizeof(uint32_t));
if (cmp > 0) {
continue;
}
if (cmp < 0) {
break;
}
if (*(uint32_t*)ncip->nci_id > *(uint32_t*)ncip2->nci_id) {
continue;
}
if (*(uint32_t*)ncip->nci_id < *(uint32_t*)ncip2->nci_id) {
break;
}
*(uint32_t*)ncip->nci_id += 1;
}
if (*(uint32_t*)ncip->nci_id) {
printf("nfs client ID collision (%d) for %s on %s\n", *(uint32_t*)ncip->nci_id,
vsfs->f_mntfromname, vsfs->f_mntonname);
}
if (ncip2) {
TAILQ_INSERT_BEFORE(ncip2, ncip, nci_link);
} else {
TAILQ_INSERT_TAIL(&nfsclientids, ncip, nci_link);
}
nmp->nm_longid = ncip;
lck_mtx_unlock(&nfs_global_mutex);
return 0;
}
int
nfs4_setclientid(struct nfsmount *nmp)
{
uint64_t verifier, xid;
int error = 0, status, numops;
uint32_t bitmap[NFS_ATTR_BITMAP_LEN];
thread_t thd;
kauth_cred_t cred;
struct nfsm_chain nmreq, nmrep;
struct sockaddr_storage ss;
void *sinaddr = NULL;
char raddr[MAX_IPv6_STR_LEN];
char uaddr[MAX_IPv6_STR_LEN + 16];
int ualen = 0;
in_port_t port = 0;
thd = current_thread();
cred = IS_VALID_CRED(nmp->nm_mcred) ? nmp->nm_mcred : vfs_context_ucred(vfs_context_kernel());
kauth_cred_ref(cred);
nfsm_chain_null(&nmreq);
nfsm_chain_null(&nmrep);
if (!nmp->nm_longid) {
error = nfs4_init_clientid(nmp);
}
numops = 1;
nfsm_chain_build_alloc_init(error, &nmreq, 14 * NFSX_UNSIGNED + nmp->nm_longid->nci_idlen);
nfsm_chain_add_compound_header(error, &nmreq, "setclid", nmp->nm_minor_vers, numops);
numops--;
nfsm_chain_add_32(error, &nmreq, NFS_OP_SETCLIENTID);
nfsm_chain_add_64(error, &nmreq, nmp->nm_mounttime);
nfsm_chain_add_32(error, &nmreq, nmp->nm_longid->nci_idlen);
nfsm_chain_add_opaque(error, &nmreq, nmp->nm_longid->nci_id, nmp->nm_longid->nci_idlen);
nfsmout_if(error);
if (!NMFLAG(nmp, NOCALLBACK) && nmp->nm_cbid && nfs4_cb_port &&
!sock_getsockname(nmp->nm_nso->nso_so, (struct sockaddr*)&ss, sizeof(ss))) {
if (ss.ss_family == AF_INET) {
sinaddr = &((struct sockaddr_in*)&ss)->sin_addr;
port = nfs4_cb_port;
} else if (ss.ss_family == AF_INET6) {
sinaddr = &((struct sockaddr_in6*)&ss)->sin6_addr;
port = nfs4_cb_port6;
} else {
error = EINVAL;
nfsmout_if(error);
}
if (sinaddr && port && (inet_ntop(ss.ss_family, sinaddr, raddr, sizeof(raddr)) == raddr)) {
ualen = snprintf(uaddr, sizeof(uaddr), "%s.%d.%d", raddr,
((port >> 8) & 0xff),
(port & 0xff));
if (ualen >= (int)sizeof(uaddr)) {
ualen = 0;
}
}
}
if (ualen > 0) {
nfsm_chain_add_32(error, &nmreq, NFS4_CALLBACK_PROG);
if (ss.ss_family == AF_INET) {
nfsm_chain_add_string(error, &nmreq, "tcp", 3);
} else if (ss.ss_family == AF_INET6) {
nfsm_chain_add_string(error, &nmreq, "tcp6", 4);
}
nfsm_chain_add_string(error, &nmreq, uaddr, ualen);
nfsm_chain_add_32(error, &nmreq, nmp->nm_cbid);
} else {
nfsm_chain_add_32(error, &nmreq, 0);
nfsm_chain_add_string(error, &nmreq, "", 0);
nfsm_chain_add_string(error, &nmreq, "", 0);
nfsm_chain_add_32(error, &nmreq, 0);
}
nfsm_chain_build_done(error, &nmreq);
nfsm_assert(error, (numops == 0), EPROTO);
nfsmout_if(error);
error = nfs_request2(NULL, nmp->nm_mountp, &nmreq, NFSPROC4_COMPOUND, thd, cred, NULL, R_SETUP, &nmrep, &xid, &status);
nfsm_chain_skip_tag(error, &nmrep);
nfsm_chain_get_32(error, &nmrep, numops);
if (!error && (numops != 1) && status) {
error = status;
}
nfsm_chain_op_check(error, &nmrep, NFS_OP_SETCLIENTID);
if (error == NFSERR_CLID_INUSE) {
printf("nfs4_setclientid: client ID in use?\n");
}
nfsmout_if(error);
nfsm_chain_get_64(error, &nmrep, nmp->nm_clientid);
nfsm_chain_get_64(error, &nmrep, verifier);
nfsm_chain_cleanup(&nmreq);
nfsm_chain_cleanup(&nmrep);
numops = 1;
nfsm_chain_build_alloc_init(error, &nmreq, 15 * NFSX_UNSIGNED);
nfsm_chain_add_compound_header(error, &nmreq, "setclid_conf", nmp->nm_minor_vers, numops);
numops--;
nfsm_chain_add_32(error, &nmreq, NFS_OP_SETCLIENTID_CONFIRM);
nfsm_chain_add_64(error, &nmreq, nmp->nm_clientid);
nfsm_chain_add_64(error, &nmreq, verifier);
nfsm_chain_build_done(error, &nmreq);
nfsm_assert(error, (numops == 0), EPROTO);
nfsmout_if(error);
error = nfs_request2(NULL, nmp->nm_mountp, &nmreq, NFSPROC4_COMPOUND, thd, cred, NULL, R_SETUP, &nmrep, &xid, &status);
nfsm_chain_skip_tag(error, &nmrep);
nfsm_chain_get_32(error, &nmrep, numops);
nfsm_chain_op_check(error, &nmrep, NFS_OP_SETCLIENTID_CONFIRM);
if (error) {
printf("nfs4_setclientid: confirm error %d\n", error);
}
lck_mtx_lock(&nmp->nm_lock);
if (!error) {
nmp->nm_state |= NFSSTA_CLIENTID;
}
lck_mtx_unlock(&nmp->nm_lock);
nfsmout_if(error || !nmp->nm_dnp);
numops = 2;
nfsm_chain_build_alloc_init(error, &nmreq, 23 * NFSX_UNSIGNED);
nfsm_chain_add_compound_header(error, &nmreq, "setclid_attr", nmp->nm_minor_vers, numops);
numops--;
nfsm_chain_add_32(error, &nmreq, NFS_OP_PUTFH);
nfsm_chain_add_fh(error, &nmreq, nmp->nm_vers, nmp->nm_dnp->n_fhp, nmp->nm_dnp->n_fhsize);
numops--;
nfsm_chain_add_32(error, &nmreq, NFS_OP_GETATTR);
NFS_CLEAR_ATTRIBUTES(bitmap);
NFS4_PER_FS_ATTRIBUTES(bitmap);
nfsm_chain_add_bitmap(error, &nmreq, bitmap, NFS_ATTR_BITMAP_LEN);
nfsm_chain_build_done(error, &nmreq);
nfsm_assert(error, (numops == 0), EPROTO);
nfsmout_if(error);
error = nfs_request2(NULL, nmp->nm_mountp, &nmreq, NFSPROC4_COMPOUND, thd, cred, NULL, R_SETUP, &nmrep, &xid, &status);
nfsm_chain_skip_tag(error, &nmrep);
nfsm_chain_get_32(error, &nmrep, numops);
lck_mtx_lock(&nmp->nm_lock);
nfsm_chain_op_check(error, &nmrep, NFS_OP_PUTFH);
nfsm_chain_op_check(error, &nmrep, NFS_OP_GETATTR);
if (!error) {
error = nfs4_parsefattr(&nmrep, &nmp->nm_fsattr, NULL, NULL, NULL, NULL);
}
lck_mtx_unlock(&nmp->nm_lock);
if (error) {
error = 0;
}
nfsmout:
nfsm_chain_cleanup(&nmreq);
nfsm_chain_cleanup(&nmrep);
kauth_cred_unref(&cred);
if (error) {
printf("nfs4_setclientid failed, %d\n", error);
}
return error;
}
int
nfs4_renew(struct nfsmount *nmp, int rpcflag)
{
int error = 0, status, numops;
u_int64_t xid;
struct nfsm_chain nmreq, nmrep;
kauth_cred_t cred;
cred = IS_VALID_CRED(nmp->nm_mcred) ? nmp->nm_mcred : vfs_context_ucred(vfs_context_kernel());
kauth_cred_ref(cred);
nfsm_chain_null(&nmreq);
nfsm_chain_null(&nmrep);
numops = 1;
nfsm_chain_build_alloc_init(error, &nmreq, 8 * NFSX_UNSIGNED);
nfsm_chain_add_compound_header(error, &nmreq, "renew", nmp->nm_minor_vers, numops);
numops--;
nfsm_chain_add_32(error, &nmreq, NFS_OP_RENEW);
nfsm_chain_add_64(error, &nmreq, nmp->nm_clientid);
nfsm_chain_build_done(error, &nmreq);
nfsm_assert(error, (numops == 0), EPROTO);
nfsmout_if(error);
error = nfs_request2(NULL, nmp->nm_mountp, &nmreq, NFSPROC4_COMPOUND,
current_thread(), cred, NULL, rpcflag, &nmrep, &xid, &status);
nfsm_chain_skip_tag(error, &nmrep);
nfsm_chain_get_32(error, &nmrep, numops);
nfsm_chain_op_check(error, &nmrep, NFS_OP_RENEW);
nfsmout:
nfsm_chain_cleanup(&nmreq);
nfsm_chain_cleanup(&nmrep);
kauth_cred_unref(&cred);
return error;
}
void
nfs4_renew_timer(void *param0, __unused void *param1)
{
struct nfsmount *nmp = param0;
u_int64_t clientid;
int error = 0, interval;
lck_mtx_lock(&nmp->nm_lock);
clientid = nmp->nm_clientid;
if ((nmp->nm_state & NFSSTA_RECOVER) || !(nmp->nm_sockflags & NMSOCK_READY)) {
lck_mtx_unlock(&nmp->nm_lock);
goto out;
}
lck_mtx_unlock(&nmp->nm_lock);
error = nfs4_renew(nmp, R_RECOVER);
out:
if (error == ETIMEDOUT) {
nfs_need_reconnect(nmp);
} else if (error) {
printf("nfs4_renew_timer: error %d\n", error);
}
lck_mtx_lock(&nmp->nm_lock);
if (error && (error != ETIMEDOUT) &&
(nmp->nm_clientid == clientid) && !(nmp->nm_state & NFSSTA_RECOVER)) {
printf("nfs4_renew_timer: error %d, initiating recovery\n", error);
nfs_need_recover(nmp, error);
}
interval = nmp->nm_fsattr.nfsa_lease / (error ? 4 : 2);
if ((interval < 1) || (nmp->nm_state & NFSSTA_RECOVER)) {
interval = 1;
}
nfs_interval_timer_start(nmp->nm_renew_timer, interval * 1000);
lck_mtx_unlock(&nmp->nm_lock);
}
int
nfs4_secinfo_rpc(struct nfsmount *nmp, struct nfsreq_secinfo_args *siap, kauth_cred_t cred, uint32_t *sec, int *seccountp)
{
int error = 0, status, nfsvers, numops, fhsize;
vnode_t dvp = NULLVP;
nfsnode_t np, dnp;
u_char *fhp;
const char *vname = NULL, *name;
uint64_t xid;
size_t namelen;
struct nfsm_chain nmreq, nmrep;
*seccountp = 0;
if (nfs_mount_gone(nmp)) {
return ENXIO;
}
nfsvers = nmp->nm_vers;
np = siap->rsia_np;
nfsm_chain_null(&nmreq);
nfsm_chain_null(&nmrep);
fhp = siap->rsia_fh;
fhsize = fhp ? siap->rsia_fhsize : 0;
name = siap->rsia_name;
namelen = name ? siap->rsia_namelen : 0;
if (name && !namelen) {
namelen = strlen(name);
}
if (!fhp && name) {
if (!np) {
goto gotargs;
}
fhp = np->n_fhp;
fhsize = np->n_fhsize;
}
if (fhp && name) {
goto gotargs;
}
if (!np) {
return EIO;
}
nfs_node_lock_force(np);
if ((vnode_vtype(NFSTOV(np)) != VDIR) && np->n_sillyrename) {
struct nfs_sillyrename *nsp = np->n_sillyrename;
dnp = nsp->nsr_dnp;
dvp = NFSTOV(dnp);
if ((error = vnode_get(dvp))) {
dvp = NULLVP;
nfs_node_unlock(np);
goto nfsmout;
}
fhp = dnp->n_fhp;
fhsize = dnp->n_fhsize;
name = nsp->nsr_name;
namelen = nsp->nsr_namlen;
} else {
if ((np->n_vattr.nva_flags & NFS_FFLAG_IS_ATTR) &&
(((dvp = np->n_parent)) && (error = vnode_get(dvp)))) {
dvp = NULL;
}
if (!dvp) {
dvp = vnode_getparent(NFSTOV(np));
}
vname = vnode_getname(NFSTOV(np));
if (!dvp || !vname) {
if (!error) {
error = EIO;
}
nfs_node_unlock(np);
goto nfsmout;
}
dnp = VTONFS(dvp);
fhp = dnp->n_fhp;
fhsize = dnp->n_fhsize;
name = vname;
namelen = strnlen(vname, MAXPATHLEN);
}
nfs_node_unlock(np);
gotargs:
numops = 2;
nfsm_chain_build_alloc_init(error, &nmreq,
4 * NFSX_UNSIGNED + NFSX_FH(nfsvers) + nfsm_rndup(namelen));
nfsm_chain_add_compound_header(error, &nmreq, "secinfo", nmp->nm_minor_vers, numops);
numops--;
if (fhp) {
nfsm_chain_add_32(error, &nmreq, NFS_OP_PUTFH);
nfsm_chain_add_fh(error, &nmreq, nfsvers, fhp, fhsize);
} else {
nfsm_chain_add_32(error, &nmreq, NFS_OP_PUTROOTFH);
}
numops--;
nfsm_chain_add_32(error, &nmreq, NFS_OP_SECINFO);
nfsm_chain_add_name(error, &nmreq, name, namelen, nmp);
nfsm_chain_build_done(error, &nmreq);
nfsm_assert(error, (numops == 0), EPROTO);
nfsmout_if(error);
error = nfs_request2(np, nmp->nm_mountp, &nmreq, NFSPROC4_COMPOUND,
current_thread(), cred, NULL, 0, &nmrep, &xid, &status);
nfsm_chain_skip_tag(error, &nmrep);
nfsm_chain_get_32(error, &nmrep, numops);
nfsm_chain_op_check(error, &nmrep, fhp ? NFS_OP_PUTFH : NFS_OP_PUTROOTFH);
nfsm_chain_op_check(error, &nmrep, NFS_OP_SECINFO);
nfsmout_if(error);
error = nfsm_chain_get_secinfo(&nmrep, sec, seccountp);
nfsmout:
nfsm_chain_cleanup(&nmreq);
nfsm_chain_cleanup(&nmrep);
if (vname) {
vnode_putname(vname);
}
if (dvp != NULLVP) {
vnode_put(dvp);
}
return error;
}
#endif
int
nfsm_chain_get_secinfo(struct nfsm_chain *nmc, uint32_t *sec, int *seccountp)
{
int error = 0, secmax, seccount, srvcount;
uint32_t flavor;
#if CONFIG_NFS_GSS
uint32_t val;
u_char oid[12];
#endif
seccount = srvcount = 0;
secmax = *seccountp;
*seccountp = 0;
nfsm_chain_get_32(error, nmc, srvcount);
while (!error && (srvcount > 0) && (seccount < secmax)) {
nfsm_chain_get_32(error, nmc, flavor);
nfsmout_if(error);
switch (flavor) {
case RPCAUTH_NONE:
case RPCAUTH_SYS:
#if CONFIG_NFS_GSS
case RPCAUTH_KRB5:
case RPCAUTH_KRB5I:
case RPCAUTH_KRB5P:
#endif
sec[seccount++] = flavor;
break;
#if CONFIG_NFS_GSS
case RPCSEC_GSS:
nfsm_chain_get_32(error, nmc, val);
nfsmout_if(error);
if (val != sizeof(krb5_mech_oid)) {
nfsm_chain_adv(error, nmc, val);
nfsm_chain_adv(error, nmc, 2 * NFSX_UNSIGNED);
break;
}
nfsm_chain_get_opaque(error, nmc, val, oid);
nfsmout_if(error);
if (bcmp(oid, krb5_mech_oid, sizeof(krb5_mech_oid))) {
nfsm_chain_adv(error, nmc, 2 * NFSX_UNSIGNED);
break;
}
nfsm_chain_get_32(error, nmc, val);
nfsm_chain_get_32(error, nmc, val);
nfsmout_if(error);
switch (val) {
case RPCSEC_GSS_SVC_NONE:
sec[seccount++] = RPCAUTH_KRB5;
break;
case RPCSEC_GSS_SVC_INTEGRITY:
sec[seccount++] = RPCAUTH_KRB5I;
break;
case RPCSEC_GSS_SVC_PRIVACY:
sec[seccount++] = RPCAUTH_KRB5P;
break;
}
break;
#endif
}
srvcount--;
}
nfsmout:
if (!error) {
*seccountp = seccount;
}
return error;
}
#if CONFIG_NFS4
int
nfs4_get_fs_locations(
struct nfsmount *nmp,
nfsnode_t dnp,
u_char *fhp,
int fhsize,
const char *name,
vfs_context_t ctx,
struct nfs_fs_locations *nfslsp)
{
int error = 0, numops, status;
uint32_t bitmap[NFS_ATTR_BITMAP_LEN];
struct nfsreq *req;
struct nfsreq_secinfo_args si;
struct nfsm_chain nmreq, nmrep;
uint64_t xid;
if (!fhp && dnp) {
fhp = dnp->n_fhp;
fhsize = dnp->n_fhsize;
}
if (!fhp) {
return EINVAL;
}
req = zalloc(nfs_req_zone);
nfsm_chain_null(&nmreq);
nfsm_chain_null(&nmrep);
NFSREQ_SECINFO_SET(&si, NULL, fhp, fhsize, name, 0);
numops = 3;
nfsm_chain_build_alloc_init(error, &nmreq, 18 * NFSX_UNSIGNED);
nfsm_chain_add_compound_header(error, &nmreq, "fs_locations", nmp->nm_minor_vers, numops);
numops--;
nfsm_chain_add_32(error, &nmreq, NFS_OP_PUTFH);
nfsm_chain_add_fh(error, &nmreq, NFS_VER4, fhp, fhsize);
numops--;
nfsm_chain_add_32(error, &nmreq, NFS_OP_LOOKUP);
nfsm_chain_add_name(error, &nmreq, name, strlen(name), nmp);
numops--;
nfsm_chain_add_32(error, &nmreq, NFS_OP_GETATTR);
NFS_CLEAR_ATTRIBUTES(bitmap);
NFS_BITMAP_SET(bitmap, NFS_FATTR_FS_LOCATIONS);
nfsm_chain_add_bitmap(error, &nmreq, bitmap, NFS_ATTR_BITMAP_LEN);
nfsm_chain_build_done(error, &nmreq);
nfsm_assert(error, (numops == 0), EPROTO);
nfsmout_if(error);
error = nfs_request_async(dnp, nmp->nm_mountp, &nmreq, NFSPROC4_COMPOUND,
vfs_context_thread(ctx), vfs_context_ucred(ctx), &si, 0, NULL, &req);
if (!error) {
error = nfs_request_async_finish(req, &nmrep, &xid, &status);
}
nfsm_chain_skip_tag(error, &nmrep);
nfsm_chain_get_32(error, &nmrep, numops);
nfsm_chain_op_check(error, &nmrep, NFS_OP_PUTFH);
nfsm_chain_op_check(error, &nmrep, NFS_OP_LOOKUP);
nfsm_chain_op_check(error, &nmrep, NFS_OP_GETATTR);
nfsmout_if(error);
error = nfs4_parsefattr(&nmrep, NULL, NULL, NULL, NULL, nfslsp);
nfsmout:
NFS_ZFREE(nfs_req_zone, req);
nfsm_chain_cleanup(&nmrep);
nfsm_chain_cleanup(&nmreq);
return error;
}
void
nfs4_default_attrs_for_referral_trigger(
nfsnode_t dnp,
char *name,
int namelen,
struct nfs_vattr *nvap,
fhandle_t *fhp)
{
struct timespec now;
nanotime(&now);
int len;
nvap->nva_flags = NFS_FFLAG_TRIGGER | NFS_FFLAG_TRIGGER_REFERRAL;
if (!NFS_BITMAP_ISSET(nvap->nva_bitmap, NFS_FATTR_TYPE)) {
NFS_BITMAP_SET(nvap->nva_bitmap, NFS_FATTR_TYPE);
nvap->nva_type = VDIR;
}
if (!NFS_BITMAP_ISSET(nvap->nva_bitmap, NFS_FATTR_FSID)) {
NFS_BITMAP_SET(nvap->nva_bitmap, NFS_FATTR_FSID);
nvap->nva_fsid.major = 0;
nvap->nva_fsid.minor = 0;
}
if (!NFS_BITMAP_ISSET(nvap->nva_bitmap, NFS_FATTR_OWNER) && dnp) {
NFS_BITMAP_SET(nvap->nva_bitmap, NFS_FATTR_OWNER);
nvap->nva_uid = dnp->n_vattr.nva_uid;
nvap->nva_uuuid = dnp->n_vattr.nva_uuuid;
}
if (!NFS_BITMAP_ISSET(nvap->nva_bitmap, NFS_FATTR_OWNER_GROUP) && dnp) {
NFS_BITMAP_SET(nvap->nva_bitmap, NFS_FATTR_OWNER_GROUP);
nvap->nva_gid = dnp->n_vattr.nva_gid;
nvap->nva_guuid = dnp->n_vattr.nva_guuid;
}
if (!NFS_BITMAP_ISSET(nvap->nva_bitmap, NFS_FATTR_MODE)) {
NFS_BITMAP_SET(nvap->nva_bitmap, NFS_FATTR_MODE);
nvap->nva_mode = 0777;
}
if (!NFS_BITMAP_ISSET(nvap->nva_bitmap, NFS_FATTR_SIZE)) {
NFS_BITMAP_SET(nvap->nva_bitmap, NFS_FATTR_SIZE);
nvap->nva_size = 0;
}
if (!NFS_BITMAP_ISSET(nvap->nva_bitmap, NFS_FATTR_SPACE_USED)) {
NFS_BITMAP_SET(nvap->nva_bitmap, NFS_FATTR_SPACE_USED);
nvap->nva_bytes = 0;
}
if (!NFS_BITMAP_ISSET(nvap->nva_bitmap, NFS_FATTR_NUMLINKS)) {
NFS_BITMAP_SET(nvap->nva_bitmap, NFS_FATTR_NUMLINKS);
nvap->nva_nlink = 2;
}
if (!NFS_BITMAP_ISSET(nvap->nva_bitmap, NFS_FATTR_TIME_ACCESS)) {
NFS_BITMAP_SET(nvap->nva_bitmap, NFS_FATTR_TIME_ACCESS);
nvap->nva_timesec[NFSTIME_ACCESS] = now.tv_sec;
nvap->nva_timensec[NFSTIME_ACCESS] = now.tv_nsec;
}
if (!NFS_BITMAP_ISSET(nvap->nva_bitmap, NFS_FATTR_TIME_MODIFY)) {
NFS_BITMAP_SET(nvap->nva_bitmap, NFS_FATTR_TIME_MODIFY);
nvap->nva_timesec[NFSTIME_MODIFY] = now.tv_sec;
nvap->nva_timensec[NFSTIME_MODIFY] = now.tv_nsec;
}
if (!NFS_BITMAP_ISSET(nvap->nva_bitmap, NFS_FATTR_TIME_METADATA)) {
NFS_BITMAP_SET(nvap->nva_bitmap, NFS_FATTR_TIME_METADATA);
nvap->nva_timesec[NFSTIME_CHANGE] = now.tv_sec;
nvap->nva_timensec[NFSTIME_CHANGE] = now.tv_nsec;
}
if (!NFS_BITMAP_ISSET(nvap->nva_bitmap, NFS_FATTR_FILEID)) {
NFS_BITMAP_SET(nvap->nva_bitmap, NFS_FATTR_FILEID);
nvap->nva_fileid = 42;
}
if (!NFS_BITMAP_ISSET(nvap->nva_bitmap, NFS_FATTR_FILEHANDLE) && dnp && name && fhp) {
NFS_BITMAP_SET(nvap->nva_bitmap, NFS_FATTR_FILEHANDLE);
bcopy(&dnp, &fhp->fh_data[0], sizeof(dnp));
len = sizeof(fhp->fh_data) - sizeof(dnp);
bcopy(name, &fhp->fh_data[0] + sizeof(dnp), MIN(len, namelen));
fhp->fh_len = sizeof(dnp) + namelen;
if (fhp->fh_len > (int)sizeof(fhp->fh_data)) {
fhp->fh_len = sizeof(fhp->fh_data);
}
}
}
void
nfs_vattr_set_bitmap(struct nfsmount *nmp, uint32_t *bitmap, struct vnode_attr *vap)
{
int i;
NFS_CLEAR_ATTRIBUTES(bitmap);
if (VATTR_IS_ACTIVE(vap, va_data_size)) {
NFS_BITMAP_SET(bitmap, NFS_FATTR_SIZE);
}
if (VATTR_IS_ACTIVE(vap, va_acl) && (nmp->nm_fsattr.nfsa_flags & NFS_FSFLAG_ACL)) {
NFS_BITMAP_SET(bitmap, NFS_FATTR_ACL);
}
if (VATTR_IS_ACTIVE(vap, va_flags)) {
NFS_BITMAP_SET(bitmap, NFS_FATTR_ARCHIVE);
NFS_BITMAP_SET(bitmap, NFS_FATTR_HIDDEN);
}
if (VATTR_IS_ACTIVE(vap, va_mode) && !NMFLAG(nmp, ACLONLY)) {
NFS_BITMAP_SET(bitmap, NFS_FATTR_MODE);
}
if (VATTR_IS_ACTIVE(vap, va_uid) || VATTR_IS_ACTIVE(vap, va_uuuid)) {
NFS_BITMAP_SET(bitmap, NFS_FATTR_OWNER);
}
if (VATTR_IS_ACTIVE(vap, va_gid) || VATTR_IS_ACTIVE(vap, va_guuid)) {
NFS_BITMAP_SET(bitmap, NFS_FATTR_OWNER_GROUP);
}
if (vap->va_vaflags & VA_UTIMES_NULL) {
NFS_BITMAP_SET(bitmap, NFS_FATTR_TIME_ACCESS_SET);
NFS_BITMAP_SET(bitmap, NFS_FATTR_TIME_MODIFY_SET);
} else {
if (VATTR_IS_ACTIVE(vap, va_access_time)) {
NFS_BITMAP_SET(bitmap, NFS_FATTR_TIME_ACCESS_SET);
}
if (VATTR_IS_ACTIVE(vap, va_modify_time)) {
NFS_BITMAP_SET(bitmap, NFS_FATTR_TIME_MODIFY_SET);
}
}
if (VATTR_IS_ACTIVE(vap, va_backup_time)) {
NFS_BITMAP_SET(bitmap, NFS_FATTR_TIME_BACKUP);
}
if (VATTR_IS_ACTIVE(vap, va_create_time)) {
NFS_BITMAP_SET(bitmap, NFS_FATTR_TIME_CREATE);
}
for (i = 0; i < NFS_ATTR_BITMAP_LEN; i++) {
bitmap[i] &= nmp->nm_fsattr.nfsa_supp_attr[i];
}
}
uint32_t
nfs4_ace_nfstype_to_vfstype(uint32_t nfsacetype, int *errorp)
{
switch (nfsacetype) {
case NFS_ACE_ACCESS_ALLOWED_ACE_TYPE:
return KAUTH_ACE_PERMIT;
case NFS_ACE_ACCESS_DENIED_ACE_TYPE:
return KAUTH_ACE_DENY;
case NFS_ACE_SYSTEM_AUDIT_ACE_TYPE:
return KAUTH_ACE_AUDIT;
case NFS_ACE_SYSTEM_ALARM_ACE_TYPE:
return KAUTH_ACE_ALARM;
}
*errorp = EBADRPC;
return 0;
}
uint32_t
nfs4_ace_vfstype_to_nfstype(uint32_t vfstype, int *errorp)
{
switch (vfstype) {
case KAUTH_ACE_PERMIT:
return NFS_ACE_ACCESS_ALLOWED_ACE_TYPE;
case KAUTH_ACE_DENY:
return NFS_ACE_ACCESS_DENIED_ACE_TYPE;
case KAUTH_ACE_AUDIT:
return NFS_ACE_SYSTEM_AUDIT_ACE_TYPE;
case KAUTH_ACE_ALARM:
return NFS_ACE_SYSTEM_ALARM_ACE_TYPE;
}
*errorp = EINVAL;
return 0;
}
uint32_t
nfs4_ace_nfsflags_to_vfsflags(uint32_t nfsflags)
{
uint32_t vfsflags = 0;
if (nfsflags & NFS_ACE_FILE_INHERIT_ACE) {
vfsflags |= KAUTH_ACE_FILE_INHERIT;
}
if (nfsflags & NFS_ACE_DIRECTORY_INHERIT_ACE) {
vfsflags |= KAUTH_ACE_DIRECTORY_INHERIT;
}
if (nfsflags & NFS_ACE_NO_PROPAGATE_INHERIT_ACE) {
vfsflags |= KAUTH_ACE_LIMIT_INHERIT;
}
if (nfsflags & NFS_ACE_INHERIT_ONLY_ACE) {
vfsflags |= KAUTH_ACE_ONLY_INHERIT;
}
if (nfsflags & NFS_ACE_SUCCESSFUL_ACCESS_ACE_FLAG) {
vfsflags |= KAUTH_ACE_SUCCESS;
}
if (nfsflags & NFS_ACE_FAILED_ACCESS_ACE_FLAG) {
vfsflags |= KAUTH_ACE_FAILURE;
}
if (nfsflags & NFS_ACE_INHERITED_ACE) {
vfsflags |= KAUTH_ACE_INHERITED;
}
return vfsflags;
}
uint32_t
nfs4_ace_vfsflags_to_nfsflags(uint32_t vfsflags)
{
uint32_t nfsflags = 0;
if (vfsflags & KAUTH_ACE_FILE_INHERIT) {
nfsflags |= NFS_ACE_FILE_INHERIT_ACE;
}
if (vfsflags & KAUTH_ACE_DIRECTORY_INHERIT) {
nfsflags |= NFS_ACE_DIRECTORY_INHERIT_ACE;
}
if (vfsflags & KAUTH_ACE_LIMIT_INHERIT) {
nfsflags |= NFS_ACE_NO_PROPAGATE_INHERIT_ACE;
}
if (vfsflags & KAUTH_ACE_ONLY_INHERIT) {
nfsflags |= NFS_ACE_INHERIT_ONLY_ACE;
}
if (vfsflags & KAUTH_ACE_SUCCESS) {
nfsflags |= NFS_ACE_SUCCESSFUL_ACCESS_ACE_FLAG;
}
if (vfsflags & KAUTH_ACE_FAILURE) {
nfsflags |= NFS_ACE_FAILED_ACCESS_ACE_FLAG;
}
if (vfsflags & KAUTH_ACE_INHERITED) {
nfsflags |= NFS_ACE_INHERITED_ACE;
}
return nfsflags;
}
uint32_t
nfs4_ace_nfsmask_to_vfsrights(uint32_t nfsmask)
{
uint32_t vfsrights = 0;
if (nfsmask & NFS_ACE_READ_DATA) {
vfsrights |= KAUTH_VNODE_READ_DATA;
}
if (nfsmask & NFS_ACE_LIST_DIRECTORY) {
vfsrights |= KAUTH_VNODE_LIST_DIRECTORY;
}
if (nfsmask & NFS_ACE_WRITE_DATA) {
vfsrights |= KAUTH_VNODE_WRITE_DATA;
}
if (nfsmask & NFS_ACE_ADD_FILE) {
vfsrights |= KAUTH_VNODE_ADD_FILE;
}
if (nfsmask & NFS_ACE_APPEND_DATA) {
vfsrights |= KAUTH_VNODE_APPEND_DATA;
}
if (nfsmask & NFS_ACE_ADD_SUBDIRECTORY) {
vfsrights |= KAUTH_VNODE_ADD_SUBDIRECTORY;
}
if (nfsmask & NFS_ACE_READ_NAMED_ATTRS) {
vfsrights |= KAUTH_VNODE_READ_EXTATTRIBUTES;
}
if (nfsmask & NFS_ACE_WRITE_NAMED_ATTRS) {
vfsrights |= KAUTH_VNODE_WRITE_EXTATTRIBUTES;
}
if (nfsmask & NFS_ACE_EXECUTE) {
vfsrights |= KAUTH_VNODE_EXECUTE;
}
if (nfsmask & NFS_ACE_DELETE_CHILD) {
vfsrights |= KAUTH_VNODE_DELETE_CHILD;
}
if (nfsmask & NFS_ACE_READ_ATTRIBUTES) {
vfsrights |= KAUTH_VNODE_READ_ATTRIBUTES;
}
if (nfsmask & NFS_ACE_WRITE_ATTRIBUTES) {
vfsrights |= KAUTH_VNODE_WRITE_ATTRIBUTES;
}
if (nfsmask & NFS_ACE_DELETE) {
vfsrights |= KAUTH_VNODE_DELETE;
}
if (nfsmask & NFS_ACE_READ_ACL) {
vfsrights |= KAUTH_VNODE_READ_SECURITY;
}
if (nfsmask & NFS_ACE_WRITE_ACL) {
vfsrights |= KAUTH_VNODE_WRITE_SECURITY;
}
if (nfsmask & NFS_ACE_WRITE_OWNER) {
vfsrights |= KAUTH_VNODE_CHANGE_OWNER;
}
if (nfsmask & NFS_ACE_SYNCHRONIZE) {
vfsrights |= KAUTH_VNODE_SYNCHRONIZE;
}
if ((nfsmask & NFS_ACE_GENERIC_READ) == NFS_ACE_GENERIC_READ) {
vfsrights |= KAUTH_ACE_GENERIC_READ;
}
if ((nfsmask & NFS_ACE_GENERIC_WRITE) == NFS_ACE_GENERIC_WRITE) {
vfsrights |= KAUTH_ACE_GENERIC_WRITE;
}
if ((nfsmask & NFS_ACE_GENERIC_EXECUTE) == NFS_ACE_GENERIC_EXECUTE) {
vfsrights |= KAUTH_ACE_GENERIC_EXECUTE;
}
return vfsrights;
}
uint32_t
nfs4_ace_vfsrights_to_nfsmask(uint32_t vfsrights)
{
uint32_t nfsmask = 0;
if (vfsrights & KAUTH_VNODE_READ_DATA) {
nfsmask |= NFS_ACE_READ_DATA;
}
if (vfsrights & KAUTH_VNODE_LIST_DIRECTORY) {
nfsmask |= NFS_ACE_LIST_DIRECTORY;
}
if (vfsrights & KAUTH_VNODE_WRITE_DATA) {
nfsmask |= NFS_ACE_WRITE_DATA;
}
if (vfsrights & KAUTH_VNODE_ADD_FILE) {
nfsmask |= NFS_ACE_ADD_FILE;
}
if (vfsrights & KAUTH_VNODE_APPEND_DATA) {
nfsmask |= NFS_ACE_APPEND_DATA;
}
if (vfsrights & KAUTH_VNODE_ADD_SUBDIRECTORY) {
nfsmask |= NFS_ACE_ADD_SUBDIRECTORY;
}
if (vfsrights & KAUTH_VNODE_READ_EXTATTRIBUTES) {
nfsmask |= NFS_ACE_READ_NAMED_ATTRS;
}
if (vfsrights & KAUTH_VNODE_WRITE_EXTATTRIBUTES) {
nfsmask |= NFS_ACE_WRITE_NAMED_ATTRS;
}
if (vfsrights & KAUTH_VNODE_EXECUTE) {
nfsmask |= NFS_ACE_EXECUTE;
}
if (vfsrights & KAUTH_VNODE_DELETE_CHILD) {
nfsmask |= NFS_ACE_DELETE_CHILD;
}
if (vfsrights & KAUTH_VNODE_READ_ATTRIBUTES) {
nfsmask |= NFS_ACE_READ_ATTRIBUTES;
}
if (vfsrights & KAUTH_VNODE_WRITE_ATTRIBUTES) {
nfsmask |= NFS_ACE_WRITE_ATTRIBUTES;
}
if (vfsrights & KAUTH_VNODE_DELETE) {
nfsmask |= NFS_ACE_DELETE;
}
if (vfsrights & KAUTH_VNODE_READ_SECURITY) {
nfsmask |= NFS_ACE_READ_ACL;
}
if (vfsrights & KAUTH_VNODE_WRITE_SECURITY) {
nfsmask |= NFS_ACE_WRITE_ACL;
}
if (vfsrights & KAUTH_VNODE_CHANGE_OWNER) {
nfsmask |= NFS_ACE_WRITE_OWNER;
}
if (vfsrights & KAUTH_VNODE_SYNCHRONIZE) {
nfsmask |= NFS_ACE_SYNCHRONIZE;
}
if (vfsrights & KAUTH_ACE_GENERIC_READ) {
nfsmask |= NFS_ACE_GENERIC_READ;
}
if (vfsrights & KAUTH_ACE_GENERIC_WRITE) {
nfsmask |= NFS_ACE_GENERIC_WRITE;
}
if (vfsrights & KAUTH_ACE_GENERIC_EXECUTE) {
nfsmask |= NFS_ACE_GENERIC_EXECUTE;
}
if (vfsrights & KAUTH_ACE_GENERIC_ALL) {
nfsmask |= (KAUTH_ACE_GENERIC_READ | KAUTH_ACE_GENERIC_WRITE | NFS_ACE_GENERIC_EXECUTE);
}
return nfsmask;
}
static int
nfs4_wkid2sid(const char *id, ntsid_t *sp)
{
size_t len = strnlen(id, MAXIDNAMELEN);
if (len == MAXIDNAMELEN || id[len - 1] != '@') {
return EINVAL;
}
bzero(sp, sizeof(ntsid_t));
sp->sid_kind = 1;
sp->sid_authcount = 1;
if (!strcmp(id, "OWNER@")) {
sp->sid_authority[5] = 3;
sp->sid_authorities[0] = 0;
} else if (!strcmp(id, "GROUP@")) {
sp->sid_authority[5] = 3;
sp->sid_authorities[0] = 1;
} else if (!strcmp(id, "EVERYONE@")) {
sp->sid_authority[5] = 1;
sp->sid_authorities[0] = 0;
} else if (!strcmp(id, "INTERACTIVE@")) {
sp->sid_authority[5] = 5;
sp->sid_authorities[0] = 4;
} else if (!strcmp(id, "NETWORK@")) {
sp->sid_authority[5] = 5;
sp->sid_authorities[0] = 2;
} else if (!strcmp(id, "DIALUP@")) {
sp->sid_authority[5] = 5;
sp->sid_authorities[0] = 1;
} else if (!strcmp(id, "BATCH@")) {
sp->sid_authority[5] = 5;
sp->sid_authorities[0] = 3;
} else if (!strcmp(id, "ANONYMOUS@")) {
sp->sid_authority[5] = 5;
sp->sid_authorities[0] = 7;
} else if (!strcmp(id, "AUTHENTICATED@")) {
sp->sid_authority[5] = 5;
sp->sid_authorities[0] = 11;
} else if (!strcmp(id, "SERVICE@")) {
sp->sid_authority[5] = 5;
sp->sid_authorities[0] = 6;
} else {
sp->sid_authority[5] = 0;
sp->sid_authorities[0] = 0;
}
return 0;
}
static int
nfs4_fallback_name(const char *id, int have_at)
{
if (have_at) {
if (!strncmp(id, "root@", 5)) {
return 0;
} else if (!strncmp(id, "wheel@", 6)) {
return 0;
} else if (!strncmp(id, "nobody@", 7)) {
return -2;
} else if (!strncmp(id, "nfsnobody@", 10)) {
return -2;
}
}
return -2;
}
static void
nfs4_mapid_log(int error, const char *idstr, int isgroup, guid_t *gp)
{
if (error && (nfs_idmap_ctrl & NFS_IDMAP_CTRL_LOG_FAILED_MAPPINGS)) {
printf("nfs4_id2guid: idmap failed for %s %s error %d\n", idstr, isgroup ? "G" : " ", error);
}
if (!error && (nfs_idmap_ctrl & NFS_IDMAP_CTRL_LOG_SUCCESSFUL_MAPPINGS)) {
printf("nfs4_id2guid: idmap for %s %s got guid "
"%02x%02x%02x%02x_%02x%02x%02x%02x_%02x%02x%02x%02x_%02x%02x%02x%02x\n",
idstr, isgroup ? "G" : " ",
gp->g_guid[0], gp->g_guid[1], gp->g_guid[2], gp->g_guid[3],
gp->g_guid[4], gp->g_guid[5], gp->g_guid[6], gp->g_guid[7],
gp->g_guid[8], gp->g_guid[9], gp->g_guid[10], gp->g_guid[11],
gp->g_guid[12], gp->g_guid[13], gp->g_guid[14], gp->g_guid[15]);
}
}
static char *
nfs4_map_domain(char *id, char **atp)
{
char *at = *atp;
char *dsnode, *otw_nfs4domain;
char *new_id = NULL;
size_t otw_domain_len;
size_t otw_id_2_at_len;
int error;
if (at == NULL) {
at = strchr(id, '@');
}
if (at == NULL || *at != '@') {
return NULL;
}
otw_nfs4domain = at + 1;
otw_domain_len = strnlen(otw_nfs4domain, MAXPATHLEN);
otw_id_2_at_len = at - id + 1;
dsnode = zalloc(ZV_NAMEI);
error = kauth_cred_nfs4domain2dsnode(otw_nfs4domain, dsnode);
if (!error) {
size_t dsnode_len = strnlen(dsnode, MAXPATHLEN);
size_t new_id_len = otw_id_2_at_len + dsnode_len + 1;
char tmp;
MALLOC(new_id, char*, new_id_len, M_TEMP, M_WAITOK);
tmp = *otw_nfs4domain;
*otw_nfs4domain = '\0';
strlcpy(new_id, id, MAXPATHLEN);
*otw_nfs4domain = tmp;
strlcat(new_id, dsnode, MAXPATHLEN);
at = strchr(new_id, '@');
} else {
size_t default_domain_len = strnlen(nfs4_default_domain, MAXPATHLEN);
if ((otw_domain_len == default_domain_len) &&
(strncmp(otw_nfs4domain, nfs4_default_domain, otw_domain_len) == 0)) {
*at = '\0';
}
}
NFS_ZFREE(ZV_NAMEI, dsnode);
if (nfs_idmap_ctrl & NFS_IDMAP_CTRL_LOG_SUCCESSFUL_MAPPINGS) {
printf("nfs4_id2guid: after domain mapping id is %s\n", id);
}
*atp = at;
return new_id;
}
int
nfs4_id2guid( char *id, guid_t *guidp, int isgroup)
{
int error = 0;
ntsid_t sid;
long num;
char *p, *at, *new_id = NULL;
*guidp = kauth_null_guid;
num = 1;
at = NULL;
p = id;
while (*p) {
if ((*p < '0') || (*p > '9')) {
num = 0;
}
if (*p == '@') {
at = p;
}
p++;
}
if (num) {
num = *id ? strtol(id, NULL, 10) : -2;
if (isgroup) {
error = kauth_cred_gid2guid((gid_t)num, guidp);
} else {
error = kauth_cred_uid2guid((uid_t)num, guidp);
}
nfs4_mapid_log(error, id, isgroup, guidp);
return error;
}
error = nfs4_wkid2sid(id, &sid);
if (!error) {
error = kauth_cred_ntsid2guid(&sid, guidp);
nfs4_mapid_log(error, id, 1, guidp);
return error;
}
if (at && at[1]) {
new_id = nfs4_map_domain(id, &at);
if (new_id) {
id = new_id;
}
}
if (nfs_idmap_ctrl & NFS_IDMAP_CTRL_USE_IDMAP_SERVICE) {
if (isgroup) {
error = kauth_cred_grnam2guid(id, guidp);
} else {
error = kauth_cred_pwnam2guid(id, guidp);
}
nfs4_mapid_log(error, id, isgroup, guidp);
} else {
error = ENOTSUP;
}
if (error) {
num = nfs4_fallback_name(id, at != NULL);
if (isgroup) {
error = kauth_cred_gid2guid((gid_t)num, guidp);
} else {
error = kauth_cred_uid2guid((uid_t)num, guidp);
}
nfs4_mapid_log(error, id, isgroup, guidp);
}
if (at && *at == '\0') {
*at = '@';
}
if (new_id) {
FREE(new_id, M_TEMP);
}
return error;
}
#define MAXWELLKNOWNID 18
static const char*
nfs4_sid2wkid(ntsid_t *sp)
{
if ((sp->sid_kind == 1) && (sp->sid_authcount == 1)) {
if (sp->sid_authority[5] == 0) {
if (sp->sid_authorities[0] == 0) { return "nobody@localdomain";
}
} else if (sp->sid_authority[5] == 1) {
if (sp->sid_authorities[0] == 0) { return "EVERYONE@";
}
} else if (sp->sid_authority[5] == 3) {
if (sp->sid_authorities[0] == 0) { return "OWNER@";
} else if (sp->sid_authorities[0] == 1) { return "GROUP@";
}
} else if (sp->sid_authority[5] == 5) {
if (sp->sid_authorities[0] == 1) { return "DIALUP@";
} else if (sp->sid_authorities[0] == 2) { return "NETWORK@";
} else if (sp->sid_authorities[0] == 3) { return "BATCH@";
} else if (sp->sid_authorities[0] == 4) { return "INTERACTIVE@";
} else if (sp->sid_authorities[0] == 6) { return "SERVICE@";
} else if (sp->sid_authorities[0] == 7) { return "ANONYMOUS@";
} else if (sp->sid_authorities[0] == 11) { return "AUTHENTICATED@";
}
}
}
return NULL;
}
static void
nfs4_mapguid_log(int error, const char *where, guid_t *gp, int isgroup, const char *idstr)
{
if (error && (nfs_idmap_ctrl & NFS_IDMAP_CTRL_LOG_FAILED_MAPPINGS)) {
printf("nfs4_guid2id: %s idmap failed for "
"%02x%02x%02x%02x_%02x%02x%02x%02x_%02x%02x%02x%02x_%02x%02x%02x%02x %s "
"error %d\n", where,
gp->g_guid[0], gp->g_guid[1], gp->g_guid[2], gp->g_guid[3],
gp->g_guid[4], gp->g_guid[5], gp->g_guid[6], gp->g_guid[7],
gp->g_guid[8], gp->g_guid[9], gp->g_guid[10], gp->g_guid[11],
gp->g_guid[12], gp->g_guid[13], gp->g_guid[14], gp->g_guid[15],
isgroup ? "G" : " ", error);
}
if (!error && (nfs_idmap_ctrl & NFS_IDMAP_CTRL_LOG_SUCCESSFUL_MAPPINGS)) {
printf("nfs4_guid2id: %s idmap for "
"%02x%02x%02x%02x_%02x%02x%02x%02x_%02x%02x%02x%02x_%02x%02x%02x%02x %s "
"got ID %s\n", where,
gp->g_guid[0], gp->g_guid[1], gp->g_guid[2], gp->g_guid[3],
gp->g_guid[4], gp->g_guid[5], gp->g_guid[6], gp->g_guid[7],
gp->g_guid[8], gp->g_guid[9], gp->g_guid[10], gp->g_guid[11],
gp->g_guid[12], gp->g_guid[13], gp->g_guid[14], gp->g_guid[15],
isgroup ? "G" : " ", idstr);
}
}
static int
nfs4_addv4domain(char *id, size_t *idlen)
{
char *at = NULL, *cp;
int have_domain;
int error = 0;
size_t idsize;
if (id == NULL || *id == '\0') {
return EINVAL;
}
for (cp = id; *cp != '\0'; cp++) {
if (*cp == '@') {
at = cp;
break;
}
}
have_domain = (at && at[1] != '\0');
if (have_domain) {
char *dsnode = at + 1;
char *nfs4domain;
size_t domain_len;
char *mapped_domain;
nfs4domain = zalloc(ZV_NAMEI);
error = kauth_cred_dsnode2nfs4domain(dsnode, nfs4domain);
if (!error) {
domain_len = strnlen(nfs4domain, MAXPATHLEN);
mapped_domain = nfs4domain;
} else {
error = 0;
domain_len = strnlen(nfs4_default_domain, MAXPATHLEN);
mapped_domain = nfs4_default_domain;
}
if (domain_len) {
at[1] = '\0';
idsize = strlcat(id, mapped_domain, *idlen);
if (*idlen > idsize) {
*idlen = idsize;
} else {
error = ENOSPC;
}
}
NFS_ZFREE(ZV_NAMEI, nfs4domain);
} else if (at == NULL) {
size_t default_domain_len = strnlen(nfs4_default_domain, MAXPATHLEN);
if (default_domain_len) {
strlcat(id, "@", *idlen);
idsize = strlcat(id, nfs4_default_domain, *idlen);
if (*idlen > idsize) {
*idlen = idsize;
} else {
error = ENOSPC;
}
} else {
;
}
}
if (!error && nfs_idmap_ctrl & NFS_IDMAP_CTRL_LOG_SUCCESSFUL_MAPPINGS) {
printf("nfs4_guid2id: id after nfs4 domain map: %s[%zd].\n", id, *idlen);
}
return error;
}
static char *
nfs4_fallback_id(int numid, int isgrp, char *buf, size_t size)
{
const char *idp = NULL;
if (!(nfs_idmap_ctrl & NFS_IDMAP_CTRL_FALLBACK_NO_COMMON_IDS)) {
if (numid == 0) {
idp = isgrp ? "wheel" : "root";
} else if (numid == -2) {
idp = "nobody";
}
}
if (!idp) {
snprintf(buf, size - 1, "%d", numid);
buf[size - 1] = '\0';
} else {
size_t idplen = strlcpy(buf, idp, size);
if (idplen >= size) {
return NULL;
}
}
return buf;
}
int
nfs4_guid2id(guid_t *guidp, char *id, size_t *idlen, int isgroup)
{
int error = 0;
size_t id1len, len;
char *id1buf, *id1;
char numbuf[32];
ntsid_t sid;
id1buf = id1 = NULL;
id1len = 0;
error = kauth_cred_guid2ntsid(guidp, &sid);
if (!error) {
const char *wkid = nfs4_sid2wkid(&sid);
if (wkid) {
len = strnlen(wkid, MAXWELLKNOWNID);
strlcpy(id, wkid, *idlen);
error = (len < *idlen) ? 0 : ENOSPC;
*idlen = len;
nfs4_mapguid_log(error, "kauth_cred_guid2ntsid", guidp, 1, id);
return error;
}
} else {
nfs4_mapguid_log(error, "kauth_cred_guid2ntsid", guidp, isgroup, NULL);
}
if (nfs_idmap_ctrl & NFS_IDMAP_CTRL_USE_IDMAP_SERVICE) {
if (*idlen < MAXPATHLEN) {
id1buf = zalloc(ZV_NAMEI);
id1 = id1buf;
id1len = MAXPATHLEN;
} else {
id1 = id;
id1len = *idlen;
}
if (isgroup) {
error = kauth_cred_guid2grnam(guidp, id1);
} else {
error = kauth_cred_guid2pwnam(guidp, id1);
}
if (error) {
nfs4_mapguid_log(error, "kauth_cred2[pw|gr]nam", guidp, isgroup, id1);
}
} else {
error = ENOTSUP;
}
if (error) {
uid_t uid;
if (isgroup) {
error = kauth_cred_guid2gid(guidp, (gid_t*)&uid);
} else {
error = kauth_cred_guid2uid(guidp, &uid);
}
if (!error) {
char *fbidp = nfs4_fallback_id(uid, isgroup, numbuf, sizeof(numbuf));
if (fbidp == NULL) {
error = ENOSPC;
} else {
id1 = fbidp;
}
}
} else {
error = nfs4_addv4domain(id1, &id1len);
}
if (!error) {
if (id1 != id) {
len = strlcpy(id, id1, *idlen);
if (len >= *idlen) {
error = ENOSPC;
} else {
*idlen = len;
}
}
}
nfs4_mapguid_log(error, "End of routine", guidp, isgroup, id1);
if (id1buf) {
NFS_ZFREE(ZV_NAMEI, id1buf);
}
return error;
}
void
nfs_vattr_set_supported(uint32_t *bitmap, struct vnode_attr *vap)
{
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_TYPE)) {
VATTR_SET_SUPPORTED(vap, va_type);
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_SIZE)) {
VATTR_SET_SUPPORTED(vap, va_data_size);
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_FSID)) {
VATTR_SET_SUPPORTED(vap, va_fsid);
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_ACL)) {
VATTR_SET_SUPPORTED(vap, va_acl);
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_ARCHIVE)) {
VATTR_SET_SUPPORTED(vap, va_flags);
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_FILEID)) {
VATTR_SET_SUPPORTED(vap, va_fileid);
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_HIDDEN)) {
VATTR_SET_SUPPORTED(vap, va_flags);
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_MODE)) {
VATTR_SET_SUPPORTED(vap, va_mode);
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_NUMLINKS)) {
VATTR_SET_SUPPORTED(vap, va_nlink);
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_OWNER)) {
VATTR_SET_SUPPORTED(vap, va_uid);
VATTR_SET_SUPPORTED(vap, va_uuuid);
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_OWNER_GROUP)) {
VATTR_SET_SUPPORTED(vap, va_gid);
VATTR_SET_SUPPORTED(vap, va_guuid);
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_RAWDEV)) {
VATTR_SET_SUPPORTED(vap, va_rdev);
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_SPACE_USED)) {
VATTR_SET_SUPPORTED(vap, va_total_alloc);
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_TIME_ACCESS)) {
VATTR_SET_SUPPORTED(vap, va_access_time);
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_TIME_BACKUP)) {
VATTR_SET_SUPPORTED(vap, va_backup_time);
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_TIME_CREATE)) {
VATTR_SET_SUPPORTED(vap, va_create_time);
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_TIME_METADATA)) {
VATTR_SET_SUPPORTED(vap, va_change_time);
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_TIME_MODIFY)) {
VATTR_SET_SUPPORTED(vap, va_modify_time);
}
}
int
nfs4_parsefattr(
struct nfsm_chain *nmc,
struct nfs_fsattr *nfsap,
struct nfs_vattr *nvap,
fhandle_t *fhp,
struct dqblk *dqbp,
struct nfs_fs_locations *nfslsp)
{
int error = 0, error2, rderror = 0, attrbytes;
uint32_t val, val2, val3, i;
uint32_t bitmap[NFS_ATTR_BITMAP_LEN], len;
size_t slen;
char sbuf[64], *s;
struct nfs_fsattr nfsa_dummy;
struct nfs_vattr *nva_dummy = NULL;
struct dqblk dqb_dummy;
kauth_acl_t acl = NULL;
uint32_t ace_type, ace_flags, ace_mask;
struct nfs_fs_locations nfsls_dummy;
struct sockaddr_storage ss;
if (!nfsap) {
nfsap = &nfsa_dummy;
}
if (!nvap) {
MALLOC(nva_dummy, struct nfs_vattr *, sizeof(*nva_dummy), M_TEMP, M_WAITOK);
nvap = nva_dummy;
}
if (!dqbp) {
dqbp = &dqb_dummy;
}
if (!nfslsp) {
nfslsp = &nfsls_dummy;
}
bzero(nfslsp, sizeof(*nfslsp));
attrbytes = val = val2 = val3 = 0;
s = sbuf;
slen = sizeof(sbuf);
NVATTR_INIT(nvap);
len = NFS_ATTR_BITMAP_LEN;
nfsm_chain_get_bitmap(error, nmc, bitmap, len);
for (i = 0; i < NFS_ATTR_BITMAP_LEN; i++) {
nvap->nva_bitmap[i] |= bitmap[i] & nfs_object_attr_bitmap[i];
nfsap->nfsa_bitmap[i] |= bitmap[i] & nfs_fs_attr_bitmap[i];
}
nfsm_chain_get_32(error, nmc, attrbytes);
nfsmout_if(error);
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_SUPPORTED_ATTRS)) {
len = NFS_ATTR_BITMAP_LEN;
nfsm_chain_get_bitmap(error, nmc, nfsap->nfsa_supp_attr, len);
attrbytes -= (len + 1) * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_TYPE)) {
nfsm_chain_get_32(error, nmc, val);
nvap->nva_type = nfstov_type(val, NFS_VER4);
if ((val == NFATTRDIR) || (val == NFNAMEDATTR)) {
nvap->nva_flags |= NFS_FFLAG_IS_ATTR;
} else {
nvap->nva_flags &= ~NFS_FFLAG_IS_ATTR;
}
attrbytes -= NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_FH_EXPIRE_TYPE)) {
nfsm_chain_get_32(error, nmc, val);
nfsmout_if(error);
nfsap->nfsa_flags &= ~NFS_FSFLAG_FHTYPE_MASK;
nfsap->nfsa_flags |= val << NFS_FSFLAG_FHTYPE_SHIFT;
if (val & ~0xff) {
printf("nfs: warning unknown fh type: 0x%x\n", val);
}
attrbytes -= NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_CHANGE)) {
nfsm_chain_get_64(error, nmc, nvap->nva_change);
attrbytes -= 2 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_SIZE)) {
nfsm_chain_get_64(error, nmc, nvap->nva_size);
attrbytes -= 2 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_LINK_SUPPORT)) {
nfsm_chain_get_32(error, nmc, val);
if (val) {
nfsap->nfsa_flags |= NFS_FSFLAG_LINK;
} else {
nfsap->nfsa_flags &= ~NFS_FSFLAG_LINK;
}
attrbytes -= NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_SYMLINK_SUPPORT)) {
nfsm_chain_get_32(error, nmc, val);
if (val) {
nfsap->nfsa_flags |= NFS_FSFLAG_SYMLINK;
} else {
nfsap->nfsa_flags &= ~NFS_FSFLAG_SYMLINK;
}
attrbytes -= NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_NAMED_ATTR)) {
nfsm_chain_get_32(error, nmc, val);
if (val) {
nvap->nva_flags |= NFS_FFLAG_HAS_NAMED_ATTRS;
} else {
nvap->nva_flags &= ~NFS_FFLAG_HAS_NAMED_ATTRS;
}
attrbytes -= NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_FSID)) {
nfsm_chain_get_64(error, nmc, nvap->nva_fsid.major);
nfsm_chain_get_64(error, nmc, nvap->nva_fsid.minor);
attrbytes -= 4 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_UNIQUE_HANDLES)) {
nfsm_chain_get_32(error, nmc, val);
if (val) {
nfsap->nfsa_flags |= NFS_FSFLAG_UNIQUE_FH;
} else {
nfsap->nfsa_flags &= ~NFS_FSFLAG_UNIQUE_FH;
}
attrbytes -= NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_LEASE_TIME)) {
nfsm_chain_get_32(error, nmc, nfsap->nfsa_lease);
attrbytes -= NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_RDATTR_ERROR)) {
nfsm_chain_get_32(error, nmc, rderror);
attrbytes -= NFSX_UNSIGNED;
if (!rderror) {
NFS_BITMAP_CLR(bitmap, NFS_FATTR_RDATTR_ERROR);
NFS_BITMAP_CLR(nvap->nva_bitmap, NFS_FATTR_RDATTR_ERROR);
}
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_ACL)) {
error2 = 0;
ace_type = ace_flags = ace_mask = 0;
nfsm_chain_get_32(error, nmc, val);
if (!error && (val > KAUTH_ACL_MAX_ENTRIES)) {
error = EOVERFLOW;
}
if (!error && !((acl = kauth_acl_alloc(val)))) {
error = ENOMEM;
}
if (!error && acl) {
acl->acl_entrycount = val;
acl->acl_flags = 0;
}
attrbytes -= NFSX_UNSIGNED;
nfsm_assert(error, (attrbytes >= 0), EBADRPC);
for (i = 0; !error && (i < val); i++) {
nfsm_chain_get_32(error, nmc, ace_type);
nfsm_chain_get_32(error, nmc, ace_flags);
nfsm_chain_get_32(error, nmc, ace_mask);
nfsm_chain_get_32(error, nmc, len);
if (!error && len >= NFS_MAX_WHO) {
error = EBADRPC;
}
acl->acl_ace[i].ace_flags = nfs4_ace_nfstype_to_vfstype(ace_type, &error);
acl->acl_ace[i].ace_flags |= nfs4_ace_nfsflags_to_vfsflags(ace_flags);
acl->acl_ace[i].ace_rights = nfs4_ace_nfsmask_to_vfsrights(ace_mask);
if (!error && !error2 && (len >= slen)) {
if (s != sbuf) {
FREE(s, M_TEMP);
s = sbuf;
slen = sizeof(sbuf);
}
MALLOC(s, char*, (len + 16 < NFS_MAX_WHO) ? len + 16 : NFS_MAX_WHO, M_TEMP, M_WAITOK);
if (s) {
slen = (len + 16 < NFS_MAX_WHO) ? len + 16 : NFS_MAX_WHO;
} else {
error = ENOMEM;
}
}
if (error2) {
nfsm_chain_adv(error, nmc, nfsm_rndup(len));
} else {
nfsm_chain_get_opaque(error, nmc, len, s);
}
if (!error && !error2) {
s[len] = '\0';
error2 = nfs4_id2guid(s, &acl->acl_ace[i].ace_applicable,
(ace_flags & NFS_ACE_IDENTIFIER_GROUP));
if (error2 && (nfs_idmap_ctrl & NFS_IDMAP_CTRL_LOG_FAILED_MAPPINGS)) {
printf("nfs4_parsefattr: ACE WHO %s is no one, no guid?, error %d\n", s, error2);
}
}
attrbytes -= 4 * NFSX_UNSIGNED + nfsm_rndup(len);
nfsm_assert(error, (attrbytes >= 0), EBADRPC);
}
nfsmout_if(error);
if ((nvap != nva_dummy) && !error2) {
nvap->nva_acl = acl;
acl = NULL;
}
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_ACLSUPPORT)) {
nfsm_chain_get_32(error, nmc, val);
if ((val & (NFS_ACL_SUPPORT_ALLOW_ACL | NFS_ACL_SUPPORT_DENY_ACL)) &&
NFS_BITMAP_ISSET(nfsap->nfsa_supp_attr, NFS_FATTR_ACL)) {
nfsap->nfsa_flags |= NFS_FSFLAG_ACL;
} else {
nfsap->nfsa_flags &= ~NFS_FSFLAG_ACL;
}
attrbytes -= NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_ARCHIVE)) {
nfsm_chain_get_32(error, nmc, val);
if (val) {
nvap->nva_flags |= NFS_FFLAG_ARCHIVED;
} else {
nvap->nva_flags &= ~NFS_FFLAG_ARCHIVED;
}
attrbytes -= NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_CANSETTIME)) {
nfsm_chain_get_32(error, nmc, val);
if (val) {
nfsap->nfsa_flags |= NFS_FSFLAG_SET_TIME;
} else {
nfsap->nfsa_flags &= ~NFS_FSFLAG_SET_TIME;
}
attrbytes -= NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_CASE_INSENSITIVE)) {
nfsm_chain_get_32(error, nmc, val);
if (val) {
nfsap->nfsa_flags |= NFS_FSFLAG_CASE_INSENSITIVE;
} else {
nfsap->nfsa_flags &= ~NFS_FSFLAG_CASE_INSENSITIVE;
}
attrbytes -= NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_CASE_PRESERVING)) {
nfsm_chain_get_32(error, nmc, val);
if (val) {
nfsap->nfsa_flags |= NFS_FSFLAG_CASE_PRESERVING;
} else {
nfsap->nfsa_flags &= ~NFS_FSFLAG_CASE_PRESERVING;
}
attrbytes -= NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_CHOWN_RESTRICTED)) {
nfsm_chain_get_32(error, nmc, val);
if (val) {
nfsap->nfsa_flags |= NFS_FSFLAG_CHOWN_RESTRICTED;
} else {
nfsap->nfsa_flags &= ~NFS_FSFLAG_CHOWN_RESTRICTED;
}
attrbytes -= NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_FILEHANDLE)) {
nfsm_chain_get_32(error, nmc, val);
if (error == 0 && val > NFS_MAX_FH_SIZE) {
error = EBADRPC;
}
nfsmout_if(error);
if (fhp) {
fhp->fh_len = val;
nfsm_chain_get_opaque(error, nmc, nfsm_rndup(val), fhp->fh_data);
} else {
nfsm_chain_adv(error, nmc, nfsm_rndup(val));
}
attrbytes -= NFSX_UNSIGNED + nfsm_rndup(val);
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_FILEID)) {
nfsm_chain_get_64(error, nmc, nvap->nva_fileid);
attrbytes -= 2 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_FILES_AVAIL)) {
nfsm_chain_get_64(error, nmc, nfsap->nfsa_files_avail);
attrbytes -= 2 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_FILES_FREE)) {
nfsm_chain_get_64(error, nmc, nfsap->nfsa_files_free);
attrbytes -= 2 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_FILES_TOTAL)) {
nfsm_chain_get_64(error, nmc, nfsap->nfsa_files_total);
attrbytes -= 2 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_FS_LOCATIONS)) {
uint32_t loc, serv, comp;
struct nfs_fs_location *fsl;
struct nfs_fs_server *fss;
struct nfs_fs_path *fsp;
fsp = &nfslsp->nl_root;
nfsm_chain_get_32(error, nmc, fsp->np_compcount);
attrbytes -= NFSX_UNSIGNED;
if (!error && (fsp->np_compcount > MAXPATHLEN)) {
error = EBADRPC;
}
nfsmout_if(error);
if (fsp->np_compcount) {
MALLOC(fsp->np_components, char **, fsp->np_compcount * sizeof(char*), M_TEMP, M_WAITOK | M_ZERO);
if (!fsp->np_components) {
error = ENOMEM;
}
}
for (comp = 0; comp < fsp->np_compcount; comp++) {
nfsm_chain_get_32(error, nmc, val);
if (!error && (val == 0)) {
comp--;
fsp->np_compcount--;
if (fsp->np_compcount == 0) {
FREE(fsp->np_components, M_TEMP);
fsp->np_components = NULL;
}
attrbytes -= NFSX_UNSIGNED;
continue;
}
if (!error && ((val < 1) || (val > MAXPATHLEN))) {
error = EBADRPC;
}
nfsmout_if(error);
MALLOC(fsp->np_components[comp], char *, val + 1, M_TEMP, M_WAITOK | M_ZERO);
if (!fsp->np_components[comp]) {
error = ENOMEM;
}
nfsmout_if(error);
nfsm_chain_get_opaque(error, nmc, val, fsp->np_components[comp]);
attrbytes -= NFSX_UNSIGNED + nfsm_rndup(val);
}
nfsm_chain_get_32(error, nmc, nfslsp->nl_numlocs);
attrbytes -= NFSX_UNSIGNED;
if (!error && (nfslsp->nl_numlocs > 256)) {
error = EBADRPC;
}
nfsmout_if(error);
if (nfslsp->nl_numlocs > 0) {
MALLOC(nfslsp->nl_locations, struct nfs_fs_location **, nfslsp->nl_numlocs * sizeof(struct nfs_fs_location*), M_TEMP, M_WAITOK | M_ZERO);
if (!nfslsp->nl_locations) {
error = ENOMEM;
}
}
nfsmout_if(error);
for (loc = 0; loc < nfslsp->nl_numlocs; loc++) {
nfsmout_if(error);
MALLOC(fsl, struct nfs_fs_location *, sizeof(struct nfs_fs_location), M_TEMP, M_WAITOK | M_ZERO);
if (!fsl) {
error = ENOMEM;
}
nfslsp->nl_locations[loc] = fsl;
nfsm_chain_get_32(error, nmc, fsl->nl_servcount);
attrbytes -= NFSX_UNSIGNED;
if (!error && ((fsl->nl_servcount < 1) || (fsl->nl_servcount > 256))) {
error = EBADRPC;
}
nfsmout_if(error);
MALLOC(fsl->nl_servers, struct nfs_fs_server **, fsl->nl_servcount * sizeof(struct nfs_fs_server*), M_TEMP, M_WAITOK | M_ZERO);
if (!fsl->nl_servers) {
error = ENOMEM;
}
for (serv = 0; serv < fsl->nl_servcount; serv++) {
nfsmout_if(error);
MALLOC(fss, struct nfs_fs_server *, sizeof(struct nfs_fs_server), M_TEMP, M_WAITOK | M_ZERO);
if (!fss) {
error = ENOMEM;
}
fsl->nl_servers[serv] = fss;
nfsm_chain_get_32(error, nmc, val);
if (!error && ((val < 1) || (val > MAXPATHLEN))) {
error = EINVAL;
}
nfsmout_if(error);
MALLOC(fss->ns_name, char *, val + 1, M_TEMP, M_WAITOK | M_ZERO);
if (!fss->ns_name) {
error = ENOMEM;
}
nfsm_chain_get_opaque(error, nmc, val, fss->ns_name);
attrbytes -= NFSX_UNSIGNED + nfsm_rndup(val);
nfsmout_if(error);
if (nfs_uaddr2sockaddr(fss->ns_name, (struct sockaddr*)&ss)) {
fss->ns_addrcount = 1;
MALLOC(fss->ns_addresses, char **, sizeof(char *), M_TEMP, M_WAITOK | M_ZERO);
if (!fss->ns_addresses) {
error = ENOMEM;
}
nfsmout_if(error);
MALLOC(fss->ns_addresses[0], char *, val + 1, M_TEMP, M_WAITOK | M_ZERO);
if (!fss->ns_addresses[0]) {
error = ENOMEM;
}
nfsmout_if(error);
strlcpy(fss->ns_addresses[0], fss->ns_name, val + 1);
}
}
fsp = &fsl->nl_path;
nfsm_chain_get_32(error, nmc, fsp->np_compcount);
attrbytes -= NFSX_UNSIGNED;
if (!error && (fsp->np_compcount > MAXPATHLEN)) {
error = EINVAL;
}
nfsmout_if(error);
if (fsp->np_compcount) {
MALLOC(fsp->np_components, char **, fsp->np_compcount * sizeof(char*), M_TEMP, M_WAITOK | M_ZERO);
if (!fsp->np_components) {
error = ENOMEM;
}
}
for (comp = 0; comp < fsp->np_compcount; comp++) {
nfsm_chain_get_32(error, nmc, val);
if (!error && (val == 0)) {
comp--;
fsp->np_compcount--;
if (fsp->np_compcount == 0) {
FREE(fsp->np_components, M_TEMP);
fsp->np_components = NULL;
}
attrbytes -= NFSX_UNSIGNED;
continue;
}
if (!error && ((val < 1) || (val > MAXPATHLEN))) {
error = EINVAL;
}
nfsmout_if(error);
MALLOC(fsp->np_components[comp], char *, val + 1, M_TEMP, M_WAITOK | M_ZERO);
if (!fsp->np_components[comp]) {
error = ENOMEM;
}
nfsm_chain_get_opaque(error, nmc, val, fsp->np_components[comp]);
attrbytes -= NFSX_UNSIGNED + nfsm_rndup(val);
}
}
nfsm_assert(error, (attrbytes >= 0), EBADRPC);
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_HIDDEN)) {
nfsm_chain_get_32(error, nmc, val);
if (val) {
nvap->nva_flags |= NFS_FFLAG_HIDDEN;
} else {
nvap->nva_flags &= ~NFS_FFLAG_HIDDEN;
}
attrbytes -= NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_HOMOGENEOUS)) {
nfsm_chain_get_32(error, nmc, val);
if (val) {
nfsap->nfsa_flags |= NFS_FSFLAG_HOMOGENEOUS;
} else {
nfsap->nfsa_flags &= ~NFS_FSFLAG_HOMOGENEOUS;
}
attrbytes -= NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_MAXFILESIZE)) {
nfsm_chain_get_64(error, nmc, nfsap->nfsa_maxfilesize);
attrbytes -= 2 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_MAXLINK)) {
nfsm_chain_get_32(error, nmc, nvap->nva_maxlink);
if (!error && (nfsap->nfsa_maxlink > INT32_MAX)) {
nfsap->nfsa_maxlink = INT32_MAX;
}
attrbytes -= NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_MAXNAME)) {
nfsm_chain_get_32(error, nmc, nfsap->nfsa_maxname);
if (!error && (nfsap->nfsa_maxname > INT32_MAX)) {
nfsap->nfsa_maxname = INT32_MAX;
}
attrbytes -= NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_MAXREAD)) {
nfsm_chain_get_64(error, nmc, nfsap->nfsa_maxread);
attrbytes -= 2 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_MAXWRITE)) {
nfsm_chain_get_64(error, nmc, nfsap->nfsa_maxwrite);
attrbytes -= 2 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_MIMETYPE)) {
nfsm_chain_get_32(error, nmc, val);
nfsm_chain_adv(error, nmc, nfsm_rndup(val));
attrbytes -= NFSX_UNSIGNED + nfsm_rndup(val);
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_MODE)) {
nfsm_chain_get_32(error, nmc, val);
if (val > ALLPERMS) {
error = EBADRPC;
} else {
nvap->nva_mode = (mode_t)val;
}
attrbytes -= NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_NO_TRUNC)) {
nfsm_chain_get_32(error, nmc, val);
if (val) {
nfsap->nfsa_flags |= NFS_FSFLAG_NO_TRUNC;
} else {
nfsap->nfsa_flags &= ~NFS_FSFLAG_NO_TRUNC;
}
attrbytes -= NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_NUMLINKS)) {
nfsm_chain_get_32(error, nmc, val);
nvap->nva_nlink = val;
attrbytes -= NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_OWNER)) {
nfsm_chain_get_32(error, nmc, len);
if (!error && len >= NFS_MAX_WHO) {
error = EBADRPC;
}
if (!error && (len >= slen)) {
if (s != sbuf) {
FREE(s, M_TEMP);
s = sbuf;
slen = sizeof(sbuf);
}
MALLOC(s, char*, (len + 16 < NFS_MAX_WHO) ? len + 16 : NFS_MAX_WHO, M_TEMP, M_WAITOK);
if (s) {
slen = (len + 16 < NFS_MAX_WHO) ? len + 16 : NFS_MAX_WHO;
} else {
error = ENOMEM;
}
}
nfsm_chain_get_opaque(error, nmc, len, s);
if (!error) {
s[len] = '\0';
error = nfs4_id2guid(s, &nvap->nva_uuuid, 0);
if (!error) {
error = kauth_cred_guid2uid(&nvap->nva_uuuid, &nvap->nva_uid);
}
if (error) {
nvap->nva_uid = (uid_t)(-2);
if (nfs_idmap_ctrl & NFS_IDMAP_CTRL_LOG_FAILED_MAPPINGS) {
printf("nfs4_parsefattr: owner %s is no one, no %s?, error %d\n", s,
kauth_guid_equal(&nvap->nva_uuuid, &kauth_null_guid) ? "guid" : "uid",
error);
}
error = 0;
}
}
attrbytes -= NFSX_UNSIGNED + nfsm_rndup(len);
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_OWNER_GROUP)) {
nfsm_chain_get_32(error, nmc, len);
if (!error && len >= NFS_MAX_WHO) {
error = EBADRPC;
}
if (!error && (len >= slen)) {
if (s != sbuf) {
FREE(s, M_TEMP);
s = sbuf;
slen = sizeof(sbuf);
}
MALLOC(s, char*, (len + 16 < NFS_MAX_WHO) ? len + 16 : NFS_MAX_WHO, M_TEMP, M_WAITOK);
if (s) {
slen = (len + 16 < NFS_MAX_WHO) ? len + 16 : NFS_MAX_WHO;
} else {
error = ENOMEM;
}
}
nfsm_chain_get_opaque(error, nmc, len, s);
if (!error) {
s[len] = '\0';
error = nfs4_id2guid(s, &nvap->nva_guuid, 1);
if (!error) {
error = kauth_cred_guid2gid(&nvap->nva_guuid, &nvap->nva_gid);
}
if (error) {
nvap->nva_gid = (gid_t)(-2);
if (nfs_idmap_ctrl & NFS_IDMAP_CTRL_LOG_FAILED_MAPPINGS) {
printf("nfs4_parsefattr: group %s is no one, no %s?, error %d\n", s,
kauth_guid_equal(&nvap->nva_guuid, &kauth_null_guid) ? "guid" : "gid",
error);
}
error = 0;
}
}
attrbytes -= NFSX_UNSIGNED + nfsm_rndup(len);
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_QUOTA_AVAIL_HARD)) {
nfsm_chain_get_64(error, nmc, dqbp->dqb_bhardlimit);
attrbytes -= 2 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_QUOTA_AVAIL_SOFT)) {
nfsm_chain_get_64(error, nmc, dqbp->dqb_bsoftlimit);
attrbytes -= 2 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_QUOTA_USED)) {
nfsm_chain_get_64(error, nmc, dqbp->dqb_curbytes);
attrbytes -= 2 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_RAWDEV)) {
nfsm_chain_get_32(error, nmc, nvap->nva_rawdev.specdata1);
nfsm_chain_get_32(error, nmc, nvap->nva_rawdev.specdata2);
attrbytes -= 2 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_SPACE_AVAIL)) {
nfsm_chain_get_64(error, nmc, nfsap->nfsa_space_avail);
attrbytes -= 2 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_SPACE_FREE)) {
nfsm_chain_get_64(error, nmc, nfsap->nfsa_space_free);
attrbytes -= 2 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_SPACE_TOTAL)) {
nfsm_chain_get_64(error, nmc, nfsap->nfsa_space_total);
attrbytes -= 2 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_SPACE_USED)) {
nfsm_chain_get_64(error, nmc, nvap->nva_bytes);
attrbytes -= 2 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_SYSTEM)) {
nfsm_chain_adv(error, nmc, NFSX_UNSIGNED);
attrbytes -= NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_TIME_ACCESS)) {
nfsm_chain_get_64(error, nmc, nvap->nva_timesec[NFSTIME_ACCESS]);
nfsm_chain_get_32(error, nmc, nvap->nva_timensec[NFSTIME_ACCESS]);
attrbytes -= 3 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_TIME_ACCESS_SET)) {
nfsm_chain_adv(error, nmc, 4 * NFSX_UNSIGNED);
attrbytes -= 4 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_TIME_BACKUP)) {
nfsm_chain_get_64(error, nmc, nvap->nva_timesec[NFSTIME_BACKUP]);
nfsm_chain_get_32(error, nmc, nvap->nva_timensec[NFSTIME_BACKUP]);
attrbytes -= 3 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_TIME_CREATE)) {
nfsm_chain_get_64(error, nmc, nvap->nva_timesec[NFSTIME_CREATE]);
nfsm_chain_get_32(error, nmc, nvap->nva_timensec[NFSTIME_CREATE]);
attrbytes -= 3 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_TIME_DELTA)) {
nfsm_chain_adv(error, nmc, 3 * NFSX_UNSIGNED);
attrbytes -= 3 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_TIME_METADATA)) {
nfsm_chain_get_64(error, nmc, nvap->nva_timesec[NFSTIME_CHANGE]);
nfsm_chain_get_32(error, nmc, nvap->nva_timensec[NFSTIME_CHANGE]);
attrbytes -= 3 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_TIME_MODIFY)) {
nfsm_chain_get_64(error, nmc, nvap->nva_timesec[NFSTIME_MODIFY]);
nfsm_chain_get_32(error, nmc, nvap->nva_timensec[NFSTIME_MODIFY]);
attrbytes -= 3 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_TIME_MODIFY_SET)) {
nfsm_chain_adv(error, nmc, 4 * NFSX_UNSIGNED);
attrbytes -= 4 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_MOUNTED_ON_FILEID)) {
#if CONFIG_TRIGGERS
nfsm_chain_get_64(error, nmc, nvap->nva_fileid);
#else
nfsm_chain_adv(error, nmc, 2 * NFSX_UNSIGNED);
#endif
attrbytes -= 2 * NFSX_UNSIGNED;
}
nfsm_assert(error, (attrbytes >= 0), EBADRPC);
nfsm_chain_adv(error, nmc, nfsm_rndup(attrbytes));
nfsmout:
if (error) {
nfs_fs_locations_cleanup(nfslsp);
}
if (!error && rderror) {
error = rderror;
}
if (s && (s != sbuf)) {
FREE(s, M_TEMP);
}
if (acl) {
kauth_acl_free(acl);
}
if (error && nvap->nva_acl) {
kauth_acl_free(nvap->nva_acl);
nvap->nva_acl = NULL;
}
FREE(nva_dummy, M_TEMP);
return error;
}
int
nfsm_chain_add_fattr4_f(struct nfsm_chain *nmc, struct vnode_attr *vap, struct nfsmount *nmp)
{
int error = 0, attrbytes, i, isgroup;
size_t slen, len;
uint32_t *pattrbytes, val, acecount;;
uint32_t bitmap[NFS_ATTR_BITMAP_LEN];
char sbuf[64], *s;
kauth_acl_t acl;
gid_t gid;
s = sbuf;
slen = sizeof(sbuf);
nfs_vattr_set_bitmap(nmp, bitmap, vap);
nfsm_chain_add_bitmap(error, nmc, bitmap, NFS_ATTR_BITMAP_LEN);
attrbytes = 0;
nfsm_chain_add_32(error, nmc, attrbytes);
pattrbytes = (uint32_t*)(nmc->nmc_ptr - NFSX_UNSIGNED);
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_SIZE)) {
nfsm_chain_add_64(error, nmc, vap->va_data_size);
attrbytes += 2 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_ACL)) {
acl = vap->va_acl;
if (!acl || (acl->acl_entrycount == KAUTH_FILESEC_NOACL)) {
acecount = 0;
} else {
acecount = acl->acl_entrycount;
}
nfsm_chain_add_32(error, nmc, acecount);
attrbytes += NFSX_UNSIGNED;
for (i = 0; !error && (i < (int)acecount); i++) {
val = (acl->acl_ace[i].ace_flags & KAUTH_ACE_KINDMASK);
val = nfs4_ace_vfstype_to_nfstype(val, &error);
nfsm_chain_add_32(error, nmc, val);
val = nfs4_ace_vfsflags_to_nfsflags(acl->acl_ace[i].ace_flags);
isgroup = (kauth_cred_guid2gid(&acl->acl_ace[i].ace_applicable, &gid) == 0);
val |= (isgroup) ? NFS_ACE_IDENTIFIER_GROUP : 0;
nfsm_chain_add_32(error, nmc, val);
val = nfs4_ace_vfsrights_to_nfsmask(acl->acl_ace[i].ace_rights);
nfsm_chain_add_32(error, nmc, val);
len = slen;
error = nfs4_guid2id(&acl->acl_ace[i].ace_applicable, s, &len, isgroup);
if (error == ENOSPC) {
if (s != sbuf) {
FREE(s, M_TEMP);
s = sbuf;
}
len += 8;
MALLOC(s, char*, len, M_TEMP, M_WAITOK);
if (s) {
slen = len;
error = nfs4_guid2id(&acl->acl_ace[i].ace_applicable, s, &len, isgroup);
} else {
error = ENOMEM;
}
}
nfsm_chain_add_name(error, nmc, s, len, nmp);
attrbytes += 4 * NFSX_UNSIGNED + nfsm_rndup(len);
}
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_ARCHIVE)) {
nfsm_chain_add_32(error, nmc, (vap->va_flags & SF_ARCHIVED) ? 1 : 0);
attrbytes += NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_HIDDEN)) {
nfsm_chain_add_32(error, nmc, (vap->va_flags & UF_HIDDEN) ? 1 : 0);
attrbytes += NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_MODE)) {
nfsm_chain_add_32(error, nmc, vap->va_mode);
attrbytes += NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_OWNER)) {
nfsmout_if(error);
if (!VATTR_IS_ACTIVE(vap, va_uuuid)) {
error = kauth_cred_uid2guid(vap->va_uid, &vap->va_uuuid);
nfsmout_if(error);
}
len = slen;
error = nfs4_guid2id(&vap->va_uuuid, s, &len, 0);
if (error == ENOSPC) {
if (s != sbuf) {
FREE(s, M_TEMP);
s = sbuf;
}
len += 8;
MALLOC(s, char*, len, M_TEMP, M_WAITOK);
if (s) {
slen = len;
error = nfs4_guid2id(&vap->va_uuuid, s, &len, 0);
} else {
error = ENOMEM;
}
}
nfsm_chain_add_name(error, nmc, s, len, nmp);
attrbytes += NFSX_UNSIGNED + nfsm_rndup(len);
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_OWNER_GROUP)) {
nfsmout_if(error);
if (!VATTR_IS_ACTIVE(vap, va_guuid)) {
error = kauth_cred_gid2guid(vap->va_gid, &vap->va_guuid);
nfsmout_if(error);
}
len = slen;
error = nfs4_guid2id(&vap->va_guuid, s, &len, 1);
if (error == ENOSPC) {
if (s != sbuf) {
FREE(s, M_TEMP);
s = sbuf;
}
len += 8;
MALLOC(s, char*, len, M_TEMP, M_WAITOK);
if (s) {
slen = len;
error = nfs4_guid2id(&vap->va_guuid, s, &len, 1);
} else {
error = ENOMEM;
}
}
nfsm_chain_add_name(error, nmc, s, len, nmp);
attrbytes += NFSX_UNSIGNED + nfsm_rndup(len);
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_TIME_ACCESS_SET)) {
if (vap->va_vaflags & VA_UTIMES_NULL) {
nfsm_chain_add_32(error, nmc, NFS4_TIME_SET_TO_SERVER);
attrbytes += NFSX_UNSIGNED;
} else {
nfsm_chain_add_32(error, nmc, NFS4_TIME_SET_TO_CLIENT);
nfsm_chain_add_64(error, nmc, vap->va_access_time.tv_sec);
nfsm_chain_add_32(error, nmc, vap->va_access_time.tv_nsec);
attrbytes += 4 * NFSX_UNSIGNED;
}
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_TIME_BACKUP)) {
nfsm_chain_add_64(error, nmc, vap->va_backup_time.tv_sec);
nfsm_chain_add_32(error, nmc, vap->va_backup_time.tv_nsec);
attrbytes += 3 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_TIME_CREATE)) {
nfsm_chain_add_64(error, nmc, vap->va_create_time.tv_sec);
nfsm_chain_add_32(error, nmc, vap->va_create_time.tv_nsec);
attrbytes += 3 * NFSX_UNSIGNED;
}
if (NFS_BITMAP_ISSET(bitmap, NFS_FATTR_TIME_MODIFY_SET)) {
if (vap->va_vaflags & VA_UTIMES_NULL) {
nfsm_chain_add_32(error, nmc, NFS4_TIME_SET_TO_SERVER);
attrbytes += NFSX_UNSIGNED;
} else {
nfsm_chain_add_32(error, nmc, NFS4_TIME_SET_TO_CLIENT);
nfsm_chain_add_64(error, nmc, vap->va_modify_time.tv_sec);
nfsm_chain_add_32(error, nmc, vap->va_modify_time.tv_nsec);
attrbytes += 4 * NFSX_UNSIGNED;
}
}
nfsmout_if(error);
*pattrbytes = txdr_unsigned(attrbytes);
nfsmout:
if (s && (s != sbuf)) {
FREE(s, M_TEMP);
}
return error;
}
#endif
void
nfs_need_recover(struct nfsmount *nmp, int error)
{
int wake = !(nmp->nm_state & NFSSTA_RECOVER);
nmp->nm_state |= NFSSTA_RECOVER;
if ((error == NFSERR_ADMIN_REVOKED) ||
(error == NFSERR_EXPIRED) ||
(error == NFSERR_STALE_CLIENTID)) {
nmp->nm_state |= NFSSTA_RECOVER_EXPIRED;
}
if (wake) {
nfs_mount_sock_thread_wake(nmp);
}
}
#if CONFIG_NFS4
static void
nfs4_expired_check_delegation(nfsnode_t np, vfs_context_t ctx)
{
struct nfsmount *nmp = NFSTONMP(np);
struct nfs_open_file *nofp;
int drop = 1;
if ((np->n_flag & NREVOKE) || !(np->n_openflags & N_DELEG_MASK)) {
return;
}
lck_mtx_lock(&np->n_openlock);
TAILQ_FOREACH(nofp, &np->n_opens, nof_link) {
if (!nofp->nof_opencnt) {
continue;
}
if (nofp->nof_flags & NFS_OPEN_FILE_LOST) {
continue;
}
if (nofp->nof_flags & NFS_OPEN_FILE_REOPEN) {
continue;
}
NP(nofp->nof_np, "nfs4_expired_check_delegation: !drop: opencnt %d flags 0x%x access %d %d mmap %d %d",
nofp->nof_opencnt, nofp->nof_flags,
nofp->nof_access, nofp->nof_deny,
nofp->nof_mmap_access, nofp->nof_mmap_deny);
drop = 0;
break;
}
if (drop) {
if (np->n_dreturn.tqe_next != NFSNOLIST) {
lck_mtx_lock(&nmp->nm_lock);
if (np->n_dreturn.tqe_next != NFSNOLIST) {
TAILQ_REMOVE(&nmp->nm_dreturnq, np, n_dreturn);
np->n_dreturn.tqe_next = NFSNOLIST;
}
lck_mtx_unlock(&nmp->nm_lock);
}
if (np->n_openflags & N_DELEG_MASK) {
np->n_openflags &= ~N_DELEG_MASK;
lck_mtx_lock(&nmp->nm_lock);
if (np->n_dlink.tqe_next != NFSNOLIST) {
TAILQ_REMOVE(&nmp->nm_delegations, np, n_dlink);
np->n_dlink.tqe_next = NFSNOLIST;
}
lck_mtx_unlock(&nmp->nm_lock);
nfs4_delegreturn_rpc(nmp, np->n_fhp, np->n_fhsize, &np->n_dstateid,
0, vfs_context_thread(ctx), vfs_context_ucred(ctx));
}
}
lck_mtx_unlock(&np->n_openlock);
}
#endif
void
nfs_recover(struct nfsmount *nmp)
{
struct timespec ts = { .tv_sec = 1, .tv_nsec = 0 };
int error, lost, reopen;
struct nfs_open_owner *noop;
struct nfs_open_file *nofp;
struct nfs_file_lock *nflp, *nextnflp;
struct nfs_lock_owner *nlop;
thread_t thd = current_thread();
#if CONFIG_NFS4
nfsnode_t np, nextnp;
#endif
struct timeval now;
restart:
error = 0;
lck_mtx_lock(&nmp->nm_lock);
do {
if ((error = nfs_sigintr(nmp, NULL, NULL, 1))) {
break;
}
if (!(nmp->nm_sockflags & NMSOCK_READY)) {
error = EPIPE;
}
if (nmp->nm_state & (NFSSTA_FORCE | NFSSTA_DEAD)) {
error = ENXIO;
}
if (nmp->nm_sockflags & NMSOCK_UNMOUNT) {
error = ENXIO;
}
if (error) {
break;
}
if (nmp->nm_stateinuse) {
msleep(&nmp->nm_stateinuse, &nmp->nm_lock, (PZERO - 1), "nfsrecoverstartwait", &ts);
}
} while (nmp->nm_stateinuse);
if (error) {
if (error == EPIPE) {
printf("nfs recovery reconnecting for %s, 0x%x\n", vfs_statfs(nmp->nm_mountp)->f_mntfromname, nmp->nm_stategenid);
} else {
printf("nfs recovery aborted for %s, 0x%x\n", vfs_statfs(nmp->nm_mountp)->f_mntfromname, nmp->nm_stategenid);
}
lck_mtx_unlock(&nmp->nm_lock);
return;
}
microuptime(&now);
if (now.tv_sec == nmp->nm_recover_start) {
printf("nfs recovery throttled for %s, 0x%x\n", vfs_statfs(nmp->nm_mountp)->f_mntfromname, nmp->nm_stategenid);
lck_mtx_unlock(&nmp->nm_lock);
tsleep(nfs_recover, (PZERO - 1), "nfsrecoverrestart", hz);
goto restart;
}
nmp->nm_recover_start = now.tv_sec;
if (++nmp->nm_stategenid == 0) {
++nmp->nm_stategenid;
}
printf("nfs recovery started for %s, 0x%x\n", vfs_statfs(nmp->nm_mountp)->f_mntfromname, nmp->nm_stategenid);
lck_mtx_unlock(&nmp->nm_lock);
TAILQ_FOREACH(noop, &nmp->nm_open_owners, noo_link) {
TAILQ_FOREACH(nofp, &noop->noo_opens, nof_oolink) {
if (!nofp->nof_access || (nofp->nof_flags & NFS_OPEN_FILE_LOST) || (nofp->nof_np->n_flag & NREVOKE)) {
continue;
}
lost = reopen = 0;
if (nmp->nm_vers < NFS_VER4) {
goto reclaim_locks;
}
#if CONFIG_NFS4
if (nofp->nof_rw_drw) {
error = nfs4_open_reclaim_rpc(nofp, NFS_OPEN_SHARE_ACCESS_BOTH, NFS_OPEN_SHARE_DENY_BOTH);
}
if (!error && nofp->nof_w_drw) {
error = nfs4_open_reclaim_rpc(nofp, NFS_OPEN_SHARE_ACCESS_WRITE, NFS_OPEN_SHARE_DENY_BOTH);
}
if (!error && nofp->nof_r_drw) {
error = nfs4_open_reclaim_rpc(nofp, NFS_OPEN_SHARE_ACCESS_READ, NFS_OPEN_SHARE_DENY_BOTH);
}
if (!error && nofp->nof_rw_dw) {
error = nfs4_open_reclaim_rpc(nofp, NFS_OPEN_SHARE_ACCESS_BOTH, NFS_OPEN_SHARE_DENY_WRITE);
}
if (!error && nofp->nof_w_dw) {
error = nfs4_open_reclaim_rpc(nofp, NFS_OPEN_SHARE_ACCESS_WRITE, NFS_OPEN_SHARE_DENY_WRITE);
}
if (!error && nofp->nof_r_dw) {
error = nfs4_open_reclaim_rpc(nofp, NFS_OPEN_SHARE_ACCESS_READ, NFS_OPEN_SHARE_DENY_WRITE);
}
if (!error && nofp->nof_rw) {
error = nfs4_open_reclaim_rpc(nofp, NFS_OPEN_SHARE_ACCESS_BOTH, NFS_OPEN_SHARE_DENY_NONE);
if ((error == NFSERR_ADMIN_REVOKED) || (error == NFSERR_EXPIRED) || (error == NFSERR_NO_GRACE)) {
reopen = error;
error = 0;
}
}
if (!error && !reopen && nofp->nof_w) {
error = nfs4_open_reclaim_rpc(nofp, NFS_OPEN_SHARE_ACCESS_WRITE, NFS_OPEN_SHARE_DENY_NONE);
if ((error == NFSERR_ADMIN_REVOKED) || (error == NFSERR_EXPIRED) || (error == NFSERR_NO_GRACE)) {
reopen = error;
error = 0;
}
}
if (!error && !reopen && nofp->nof_r) {
error = nfs4_open_reclaim_rpc(nofp, NFS_OPEN_SHARE_ACCESS_READ, NFS_OPEN_SHARE_DENY_NONE);
if ((error == NFSERR_ADMIN_REVOKED) || (error == NFSERR_EXPIRED) || (error == NFSERR_NO_GRACE)) {
reopen = error;
error = 0;
}
}
if ((nofp->nof_d_rw_drw || nofp->nof_d_w_drw || nofp->nof_d_r_drw ||
nofp->nof_d_rw_dw || nofp->nof_d_w_dw || nofp->nof_d_r_dw ||
nofp->nof_d_rw || nofp->nof_d_w || nofp->nof_d_r) &&
(!nofp->nof_rw_drw && !nofp->nof_w_drw && !nofp->nof_r_drw &&
!nofp->nof_rw_dw && !nofp->nof_w_dw && !nofp->nof_r_dw &&
!nofp->nof_rw && !nofp->nof_w && !nofp->nof_r)) {
if (!error && !nfs_open_state_set_busy(nofp->nof_np, NULL)) {
error = nfs4_claim_delegated_state_for_node(nofp->nof_np, R_RECOVER);
if (!error && (nofp->nof_flags & NFS_OPEN_FILE_REOPEN)) {
reopen = EAGAIN;
}
nfs_open_state_clear_busy(nofp->nof_np);
if (nofp->nof_np->n_openflags & N_DELEG_RETURN) {
nfs4_delegation_return(nofp->nof_np, R_RECOVER, thd, noop->noo_cred);
if (!(nmp->nm_sockflags & NMSOCK_READY)) {
error = ETIMEDOUT;
}
}
}
}
if (error || reopen) {
if ((error == ETIMEDOUT) || nfs_mount_state_error_should_restart(error)) {
if (error == ETIMEDOUT) {
nfs_need_reconnect(nmp);
}
tsleep(nfs_recover, (PZERO - 1), "nfsrecoverrestart", hz);
printf("nfs recovery restarting for %s, 0x%x, error %d\n",
vfs_statfs(nmp->nm_mountp)->f_mntfromname, nmp->nm_stategenid, error);
goto restart;
}
if (reopen && (nfs_check_for_locks(noop, nofp) == 0)) {
NP(nofp->nof_np, "nfs_recover: %d, need reopen for %d %p 0x%x", reopen,
kauth_cred_getuid(noop->noo_cred), nofp->nof_np, nofp->nof_np->n_flag);
lck_mtx_lock(&nofp->nof_lock);
nofp->nof_flags |= NFS_OPEN_FILE_REOPEN;
lck_mtx_unlock(&nofp->nof_lock);
} else {
if (reopen) {
NP(nofp->nof_np, "nfs_recover: %d, can't reopen because of locks %d %p", reopen,
kauth_cred_getuid(noop->noo_cred), nofp->nof_np);
}
lost = 1;
error = 0;
reopen = 0;
}
} else {
lck_mtx_lock(&nofp->nof_lock);
nofp->nof_flags &= ~NFS_OPEN_FILE_REOPEN;
lck_mtx_unlock(&nofp->nof_lock);
}
#endif
reclaim_locks:
TAILQ_FOREACH(nlop, &nofp->nof_np->n_lock_owners, nlo_link) {
if (lost || reopen) {
break;
}
if (nlop->nlo_open_owner != noop) {
continue;
}
TAILQ_FOREACH_SAFE(nflp, &nlop->nlo_locks, nfl_lolink, nextnflp) {
if (nflp->nfl_flags & (NFS_FILE_LOCK_DEAD | NFS_FILE_LOCK_BLOCKED)) {
continue;
}
if (nflp->nfl_flags & NFS_FILE_LOCK_DELEGATED) {
continue;
}
error = nmp->nm_funcs->nf_setlock_rpc(nofp->nof_np, nofp, nflp, 1, R_RECOVER, thd, noop->noo_cred);
if (error) {
NP(nofp->nof_np, "nfs: lock reclaim (0x%llx, 0x%llx) %s %d",
nflp->nfl_start, nflp->nfl_end,
error ? "failed" : "succeeded", error);
}
if (!error) {
continue;
}
if ((error == ETIMEDOUT) || nfs_mount_state_error_should_restart(error)) {
if (error == ETIMEDOUT) {
nfs_need_reconnect(nmp);
}
tsleep(nfs_recover, (PZERO - 1), "nfsrecoverrestart", hz);
printf("nfs recovery restarting for %s, 0x%x, error %d\n",
vfs_statfs(nmp->nm_mountp)->f_mntfromname, nmp->nm_stategenid, error);
goto restart;
}
lost = 1;
error = 0;
break;
}
}
#if CONFIG_NFS4
if ((nofp->nof_np->n_openflags & N_DELEG_RETURN) ||
(reopen && (nofp->nof_np->n_openflags & N_DELEG_MASK))) {
nfs4_delegation_return(nofp->nof_np, R_RECOVER, thd, noop->noo_cred);
if (!(nmp->nm_sockflags & NMSOCK_READY)) {
tsleep(nfs_recover, (PZERO - 1), "nfsrecoverrestart", hz);
printf("nfs recovery restarting for %s, 0x%x, error %d\n",
vfs_statfs(nmp->nm_mountp)->f_mntfromname, nmp->nm_stategenid, error);
goto restart;
}
}
#endif
if (lost) {
NP(nofp->nof_np, "nfs_recover: state lost for %d %p 0x%x",
kauth_cred_getuid(noop->noo_cred), nofp->nof_np, nofp->nof_np->n_flag);
nfs_revoke_open_state_for_node(nofp->nof_np);
}
}
}
if (!error) {
lck_mtx_lock(&nmp->nm_lock);
#if CONFIG_NFS4
if ((nmp->nm_vers >= NFS_VER4) && (nmp->nm_state & NFSSTA_RECOVER_EXPIRED)) {
recheckdeleg:
TAILQ_FOREACH_SAFE(np, &nmp->nm_delegations, n_dlink, nextnp) {
lck_mtx_unlock(&nmp->nm_lock);
nfs4_expired_check_delegation(np, vfs_context_kernel());
lck_mtx_lock(&nmp->nm_lock);
if (nextnp == NFSNOLIST) {
goto recheckdeleg;
}
}
}
#endif
nmp->nm_state &= ~(NFSSTA_RECOVER | NFSSTA_RECOVER_EXPIRED);
wakeup(&nmp->nm_state);
printf("nfs recovery completed for %s, 0x%x\n",
vfs_statfs(nmp->nm_mountp)->f_mntfromname, nmp->nm_stategenid);
lck_mtx_unlock(&nmp->nm_lock);
} else {
printf("nfs recovery failed for %s, 0x%x, error %d\n",
vfs_statfs(nmp->nm_mountp)->f_mntfromname, nmp->nm_stategenid, error);
}
}
#endif