#include "rpcmisc.h"
#include "pseudoflavors.h"
-extern void cache_open(void);
-extern struct nfs_fh_len *cache_get_filehandle(nfs_export *exp, int len, char *p);
-extern int cache_export(nfs_export *exp, char *path);
-
extern void my_svc_run(void);
static void usage(const char *, int exitcode);
{ NULL, 0, 0, 0 }
};
-static int nfs_version = -1;
+#define NFSVERSBIT(vers) (0x1 << (vers - 1))
+#define NFSVERSBIT_ALL (NFSVERSBIT(2) | NFSVERSBIT(3) | NFSVERSBIT(4))
+
+static int nfs_version = NFSVERSBIT_ALL;
+
+static int version2(void)
+{
+ return nfs_version & NFSVERSBIT(2);
+}
+
+static int version3(void)
+{
+ return nfs_version & NFSVERSBIT(3);
+}
+
+static int version23(void)
+{
+ return nfs_version & (NFSVERSBIT(2) | NFSVERSBIT(3));
+}
+
+static int version_any(void)
+{
+ return nfs_version & NFSVERSBIT_ALL;
+}
static void
unregister_services (void)
{
- if (nfs_version & 0x1)
- pmap_unset (MOUNTPROG, MOUNTVERS);
- if (nfs_version & (0x1 << 1))
- pmap_unset (MOUNTPROG, MOUNTVERS_POSIX);
- if (nfs_version & (0x1 << 2))
- pmap_unset (MOUNTPROG, MOUNTVERS_NFSV3);
+ if (version2()) {
+ nfs_svc_unregister(MOUNTPROG, MOUNTVERS);
+ nfs_svc_unregister(MOUNTPROG, MOUNTVERS_POSIX);
+ }
+ if (version3())
+ nfs_svc_unregister(MOUNTPROG, MOUNTVERS_NFSV3);
+}
+
+static void
+cleanup_lockfiles (void)
+{
+ unlink(_PATH_XTABLCK);
+ unlink(_PATH_ETABLCK);
+ unlink(_PATH_RMTABLCK);
}
/* Wait for all worker child processes to exit and reap them */
/* in parent */
wait_for_workers();
unregister_services();
+ cleanup_lockfiles();
xlog(L_NOTICE, "mountd: no more workers, exiting\n");
exit(0);
}
kill(0, SIGTERM);
wait_for_workers();
}
+ cleanup_lockfiles();
xlog (L_FATAL, "Caught signal %d, un-registering and exiting.", sig);
}
}
bool_t
-mount_null_1_svc(struct svc_req *rqstp, void *argp, void *resp)
+mount_null_1_svc(struct svc_req *rqstp, void *UNUSED(argp),
+ void *UNUSED(resp))
{
+ struct sockaddr *sap = nfs_getrpccaller(rqstp->rq_xprt);
+ char buf[INET6_ADDRSTRLEN];
+
+ xlog(D_CALL, "Received NULL request from %s",
+ host_ntop(sap, buf, sizeof(buf)));
+
return 1;
}
bool_t
mount_mnt_1_svc(struct svc_req *rqstp, dirpath *path, fhstatus *res)
{
+ struct sockaddr *sap = nfs_getrpccaller(rqstp->rq_xprt);
+ char buf[INET6_ADDRSTRLEN];
struct nfs_fh_len *fh;
- xlog(D_CALL, "MNT1(%s) called", *path);
+ xlog(D_CALL, "Received MNT1(%s) request from %s", *path,
+ host_ntop(sap, buf, sizeof(buf)));
+
fh = get_rootfh(rqstp, path, NULL, &res->fhs_status, 0);
if (fh)
memcpy(&res->fhstatus_u.fhs_fhandle, fh->fh_handle, 32);
}
bool_t
-mount_dump_1_svc(struct svc_req *rqstp, void *argp, mountlist *res)
+mount_dump_1_svc(struct svc_req *rqstp, void *UNUSED(argp), mountlist *res)
{
- struct sockaddr_in *addr =
- (struct sockaddr_in *) svc_getcaller(rqstp->rq_xprt);
+ struct sockaddr *sap = nfs_getrpccaller(rqstp->rq_xprt);
+ char buf[INET6_ADDRSTRLEN];
+
+ xlog(D_CALL, "Received DUMP request from %s",
+ host_ntop(sap, buf, sizeof(buf)));
- xlog(D_CALL, "dump request from %s.", inet_ntoa(addr->sin_addr));
*res = mountlist_list();
return 1;
}
bool_t
-mount_umnt_1_svc(struct svc_req *rqstp, dirpath *argp, void *resp)
+mount_umnt_1_svc(struct svc_req *rqstp, dirpath *argp, void *UNUSED(resp))
{
- struct sockaddr_in *sin
- = (struct sockaddr_in *) svc_getcaller(rqstp->rq_xprt);
+ struct sockaddr *sap = nfs_getrpccaller(rqstp->rq_xprt);
nfs_export *exp;
char *p = *argp;
char rpath[MAXPATHLEN+1];
+ char buf[INET6_ADDRSTRLEN];
if (*p == '\0')
p = "/";
p = rpath;
}
- if (!(exp = auth_authenticate("unmount", sin, p))) {
+ xlog(D_CALL, "Received UMNT(%s) request from %s", p,
+ host_ntop(sap, buf, sizeof(buf)));
+
+ exp = auth_authenticate("unmount", sap, p);
+ if (exp == NULL)
return 1;
- }
- mountlist_del(inet_ntoa(sin->sin_addr), p);
+ mountlist_del(host_ntop(sap, buf, sizeof(buf)), p);
return 1;
}
bool_t
-mount_umntall_1_svc(struct svc_req *rqstp, void *argp, void *resp)
+mount_umntall_1_svc(struct svc_req *rqstp, void *UNUSED(argp),
+ void *UNUSED(resp))
{
+ struct sockaddr *sap = nfs_getrpccaller(rqstp->rq_xprt);
+ char buf[INET6_ADDRSTRLEN];
+
+ xlog(D_CALL, "Received UMNTALL request from %s",
+ host_ntop(sap, buf, sizeof(buf)));
+
/* Reload /etc/xtab if necessary */
auth_reload();
- mountlist_del_all((struct sockaddr_in *) svc_getcaller(rqstp->rq_xprt));
+ mountlist_del_all(nfs_getrpccaller(rqstp->rq_xprt));
return 1;
}
bool_t
-mount_export_1_svc(struct svc_req *rqstp, void *argp, exports *resp)
+mount_export_1_svc(struct svc_req *rqstp, void *UNUSED(argp), exports *resp)
{
- struct sockaddr_in *addr =
- (struct sockaddr_in *) svc_getcaller(rqstp->rq_xprt);
+ struct sockaddr *sap = nfs_getrpccaller(rqstp->rq_xprt);
+ char buf[INET6_ADDRSTRLEN];
+
+ xlog(D_CALL, "Received EXPORT request from %s.",
+ host_ntop(sap, buf, sizeof(buf)));
- xlog(D_CALL, "export request from %s.", inet_ntoa(addr->sin_addr));
*resp = get_exportlist();
return 1;
}
bool_t
-mount_exportall_1_svc(struct svc_req *rqstp, void *argp, exports *resp)
+mount_exportall_1_svc(struct svc_req *rqstp, void *UNUSED(argp), exports *resp)
{
- struct sockaddr_in *addr =
- (struct sockaddr_in *) svc_getcaller(rqstp->rq_xprt);
+ struct sockaddr *sap = nfs_getrpccaller(rqstp->rq_xprt);
+ char buf[INET6_ADDRSTRLEN];
+
+ xlog(D_CALL, "Received EXPORTALL request from %s.",
+ host_ntop(sap, buf, sizeof(buf)));
- xlog(D_CALL, "exportall request from %s.", inet_ntoa(addr->sin_addr));
*resp = get_exportlist();
return 1;
bool_t
mount_pathconf_2_svc(struct svc_req *rqstp, dirpath *path, ppathcnf *res)
{
- struct sockaddr_in *sin
- = (struct sockaddr_in *) svc_getcaller(rqstp->rq_xprt);
+ struct sockaddr *sap = nfs_getrpccaller(rqstp->rq_xprt);
struct stat stb;
nfs_export *exp;
char rpath[MAXPATHLEN+1];
char *p = *path;
+ char buf[INET6_ADDRSTRLEN];
memset(res, 0, sizeof(*res));
p = rpath;
}
+ xlog(D_CALL, "Received PATHCONF(%s) request from %s", p,
+ host_ntop(sap, buf, sizeof(buf)));
+
/* Now authenticate the intruder... */
- exp = auth_authenticate("pathconf", sin, p);
- if (!exp) {
+ exp = auth_authenticate("pathconf", sap, p);
+ if (exp == NULL)
return 1;
- } else if (stat(p, &stb) < 0) {
+ else if (stat(p, &stb) < 0) {
xlog(L_WARNING, "can't stat exported dir %s: %s",
p, strerror(errno));
return 1;
flavors[i] = s->flav->fnum;
i++;
}
+ if (i == 0) {
+ /* default when there is no sec= option: */
+ i = 1;
+ flavors[0] = AUTH_UNIX;
+ }
ok->auth_flavors.auth_flavors_val = flavors;
ok->auth_flavors.auth_flavors_len = i;
}
bool_t
mount_mnt_3_svc(struct svc_req *rqstp, dirpath *path, mountres3 *res)
{
+ struct sockaddr *sap = nfs_getrpccaller(rqstp->rq_xprt);
struct mountres3_ok *ok = &res->mountres3_u.mountinfo;
+ char buf[INET6_ADDRSTRLEN];
nfs_export *exp;
struct nfs_fh_len *fh;
- xlog(D_CALL, "MNT3(%s) called", *path);
+ xlog(D_CALL, "Received MNT3(%s) request from %s", *path,
+ host_ntop(sap, buf, sizeof(buf)));
+
fh = get_rootfh(rqstp, path, &exp, &res->fhs_status, 1);
if (!fh)
return 1;
get_rootfh(struct svc_req *rqstp, dirpath *path, nfs_export **expret,
mountstat3 *error, int v3)
{
- struct sockaddr_in *sin =
- (struct sockaddr_in *) svc_getcaller(rqstp->rq_xprt);
+ struct sockaddr *sap = nfs_getrpccaller(rqstp->rq_xprt);
struct stat stb, estb;
nfs_export *exp;
struct nfs_fh_len *fh;
char rpath[MAXPATHLEN+1];
char *p = *path;
+ char buf[INET6_ADDRSTRLEN];
if (*p == '\0')
p = "/";
}
/* Now authenticate the intruder... */
- exp = auth_authenticate("mount", sin, p);
- if (!exp) {
- *error = NFSERR_ACCES;
+ exp = auth_authenticate("mount", sap, p);
+ if (exp == NULL) {
+ *error = MNT3ERR_ACCES;
return NULL;
}
if (stat(p, &stb) < 0) {
xlog(L_WARNING, "can't stat exported dir %s: %s",
p, strerror(errno));
if (errno == ENOENT)
- *error = NFSERR_NOENT;
+ *error = MNT3ERR_NOENT;
else
- *error = NFSERR_ACCES;
+ *error = MNT3ERR_ACCES;
return NULL;
}
if (!S_ISDIR(stb.st_mode) && !S_ISREG(stb.st_mode)) {
xlog(L_WARNING, "%s is not a directory or regular file", p);
- *error = NFSERR_NOTDIR;
+ *error = MNT3ERR_NOTDIR;
return NULL;
}
if (stat(exp->m_export.e_path, &estb) < 0) {
xlog(L_WARNING, "can't stat export point %s: %s",
p, strerror(errno));
- *error = NFSERR_NOENT;
+ *error = MNT3ERR_NOENT;
return NULL;
}
if (estb.st_dev != stb.st_dev
|| !(exp->m_export.e_flags & NFSEXP_CROSSMOUNT))) {
xlog(L_WARNING, "request to export directory %s below nearest filesystem %s",
p, exp->m_export.e_path);
- *error = NFSERR_ACCES;
+ *error = MNT3ERR_ACCES;
return NULL;
}
if (exp->m_export.e_mountpoint &&
exp->m_export.e_path)) {
xlog(L_WARNING, "request to export an unmounted filesystem: %s",
p);
- *error = NFSERR_NOENT;
+ *error = MNT3ERR_NOENT;
return NULL;
}
*/
if (cache_export(exp, p)) {
- *error = NFSERR_ACCES;
+ *error = MNT3ERR_ACCES;
return NULL;
}
fh = cache_get_filehandle(exp, v3?64:32, p);
if (fh == NULL) {
- *error = NFSERR_ACCES;
+ *error = MNT3ERR_ACCES;
return NULL;
}
} else {
- if (exp->m_exported<1)
+ int did_export = 0;
+ retry:
+ if (exp->m_exported<1) {
export_export(exp);
+ did_export = 1;
+ }
if (!exp->m_xtabent)
xtab_append(exp);
if (v3)
- fh = getfh_size ((struct sockaddr *) sin, p, 64);
+ fh = getfh_size((struct sockaddr_in *)sap, p, 64);
if (!v3 || (fh == NULL && errno == EINVAL)) {
/* We first try the new nfs syscall. */
- fh = getfh ((struct sockaddr *) sin, p);
+ fh = getfh((struct sockaddr_in *)sap, p);
if (fh == NULL && errno == EINVAL)
/* Let's try the old one. */
- fh = getfh_old ((struct sockaddr *) sin,
+ fh = getfh_old((struct sockaddr_in *)sap,
stb.st_dev, stb.st_ino);
}
+ if (fh == NULL && !did_export) {
+ exp->m_exported = 0;
+ goto retry;
+ }
+
if (fh == NULL) {
xlog(L_WARNING, "getfh failed: %s", strerror(errno));
- *error = NFSERR_ACCES;
+ *error = MNT3ERR_ACCES;
return NULL;
}
}
- *error = NFS_OK;
- mountlist_add(inet_ntoa(sin->sin_addr), p);
+ *error = MNT_OK;
+ mountlist_add(host_ntop(sap, buf, sizeof(buf)), p);
if (expret)
*expret = exp;
return fh;
}
+static void remove_all_clients(exportnode *e)
+{
+ struct groupnode *g, *ng;
+
+ for (g = e->ex_groups; g; g = ng) {
+ ng = g->gr_next;
+ xfree(g->gr_name);
+ xfree(g);
+ }
+ e->ex_groups = NULL;
+}
+
+static void free_exportlist(exports *elist)
+{
+ struct exportnode *e, *ne;
+
+ for (e = *elist; e != NULL; e = ne) {
+ ne = e->ex_next;
+ remove_all_clients(e);
+ xfree(e->ex_dir);
+ xfree(e);
+ }
+ *elist = NULL;
+}
+
+static void prune_clients(nfs_export *exp, struct exportnode *e)
+{
+ struct addrinfo *ai = NULL;
+ struct groupnode *c, **cp;
+
+ cp = &e->ex_groups;
+ while ((c = *cp) != NULL) {
+ if (client_gettype(c->gr_name) == MCL_FQDN
+ && (ai = host_addrinfo(c->gr_name))) {
+ if (client_check(exp->m_client, ai)) {
+ *cp = c->gr_next;
+ xfree(c->gr_name);
+ xfree(c);
+ freeaddrinfo(ai);
+ continue;
+ }
+ freeaddrinfo(ai);
+ }
+ cp = &(c->gr_next);
+ }
+}
+
+static exportnode *lookup_or_create_elist_entry(exports *elist, nfs_export *exp)
+{
+ exportnode *e;
+
+ for (e = *elist; e != NULL; e = e->ex_next) {
+ if (!strcmp(exp->m_export.e_path, e->ex_dir))
+ return e;
+ }
+ e = xmalloc(sizeof(*e));
+ e->ex_next = *elist;
+ e->ex_groups = NULL;
+ e->ex_dir = xstrdup(exp->m_export.e_path);
+ *elist = e;
+ return e;
+}
+
+static void insert_group(struct exportnode *e, char *newname)
+{
+ struct groupnode *g;
+
+ for (g = e->ex_groups; g; g = g->gr_next)
+ if (strcmp(g->gr_name, newname))
+ return;
+
+ g = xmalloc(sizeof(*g));
+ g->gr_name = xstrdup(newname);
+ g->gr_next = e->ex_groups;
+ e->ex_groups = g;
+}
+
static exports
get_exportlist(void)
{
static exports elist = NULL;
- struct exportnode *e, *ne;
- struct groupnode *g, *ng, *c, **cp;
+ struct exportnode *e;
nfs_export *exp;
int i;
static unsigned int ecounter;
ecounter = acounter;
- for (e = elist; e != NULL; e = ne) {
- ne = e->ex_next;
- for (g = e->ex_groups; g != NULL; g = ng) {
- ng = g->gr_next;
- xfree(g->gr_name);
- xfree(g);
- }
- xfree(e->ex_dir);
- xfree(e);
- }
- elist = NULL;
+ free_exportlist(&elist);
for (i = 0; i < MCL_MAXTYPES; i++) {
- for (exp = exportlist[i]; exp; exp = exp->m_next) {
- for (e = elist; e != NULL; e = e->ex_next) {
- if (!strcmp(exp->m_export.e_path, e->ex_dir))
- break;
- }
- if (!e) {
- e = (struct exportnode *) xmalloc(sizeof(*e));
- e->ex_next = elist;
- e->ex_groups = NULL;
- e->ex_dir = xstrdup(exp->m_export.e_path);
- elist = e;
- }
-
- /* We need to check if we should remove
- previous ones. */
- if (i == MCL_ANONYMOUS && e->ex_groups) {
- for (g = e->ex_groups; g; g = ng) {
- ng = g->gr_next;
- xfree(g->gr_name);
- xfree(g);
- }
- e->ex_groups = NULL;
+ for (exp = exportlist[i].p_head; exp; exp = exp->m_next) {
+ /* Don't show pseudo exports */
+ if (exp->m_export.e_flags & NFSEXP_V4ROOT)
continue;
- }
+ e = lookup_or_create_elist_entry(&elist, exp);
- if (i != MCL_FQDN && e->ex_groups) {
- struct hostent *hp;
-
- cp = &e->ex_groups;
- while ((c = *cp) != NULL) {
- if (client_gettype (c->gr_name) == MCL_FQDN
- && (hp = gethostbyname(c->gr_name))) {
- hp = hostent_dup (hp);
- if (client_check(exp->m_client, hp)) {
- *cp = c->gr_next;
- xfree(c->gr_name);
- xfree(c);
- xfree (hp);
+ /* exports to "*" absorb any others */
+ if (i == MCL_ANONYMOUS && e->ex_groups) {
+ remove_all_clients(e);
continue;
- }
- xfree (hp);
- }
- cp = &(c->gr_next);
- }
}
+ /* non-FQDN's absorb FQDN's they contain: */
+ if (i != MCL_FQDN && e->ex_groups)
+ prune_clients(exp, e);
- if (exp->m_export.e_hostname [0] != '\0') {
- for (g = e->ex_groups; g; g = g->gr_next)
- if (strcmp (exp->m_export.e_hostname,
- g->gr_name) == 0)
- break;
- if (g)
- continue;
- g = (struct groupnode *) xmalloc(sizeof(*g));
- g->gr_name = xstrdup(exp->m_export.e_hostname);
- g->gr_next = e->ex_groups;
- e->ex_groups = g;
- }
+ if (exp->m_export.e_hostname[0] != '\0')
+ insert_group(e, exp->m_export.e_hostname);
}
}
{
char *export_file = _PATH_EXPORTS;
char *state_dir = NFS_STATEDIR;
+ char *progname;
+ unsigned int listeners = 0;
int foreground = 0;
int port = 0;
int descriptors = 0;
int c;
+ int vers;
struct sigaction sa;
struct rlimit rlim;
+ /* Set the basename */
+ if ((progname = strrchr(argv[0], '/')) != NULL)
+ progname++;
+ else
+ progname = argv[0];
+
/* Parse the command line options and arguments. */
opterr = 0;
while ((c = getopt_long(argc, argv, "o:nFd:f:p:P:hH:N:V:vrs:t:g", longopts, NULL)) != EOF)
descriptors = atoi(optarg);
if (descriptors <= 0) {
fprintf(stderr, "%s: bad descriptors: %s\n",
- argv [0], optarg);
- usage(argv [0], 1);
+ progname, optarg);
+ usage(progname, 1);
}
break;
case 'F':
ha_callout_prog = optarg;
break;
case 'h':
- usage(argv [0], 0);
+ usage(progname, 0);
break;
case 'P': /* XXX for nfs-server compatibility */
case 'p':
port = atoi(optarg);
if (port <= 0 || port > 65535) {
fprintf(stderr, "%s: bad port number: %s\n",
- argv [0], optarg);
- usage(argv [0], 1);
+ progname, optarg);
+ usage(progname, 1);
}
break;
case 'N':
- nfs_version &= ~(1 << (atoi (optarg) - 1));
+ vers = atoi(optarg);
+ if (vers < 2 || vers > 4) {
+ fprintf(stderr, "%s: bad version number: %s\n",
+ argv[0], optarg);
+ usage(argv[0], 1);
+ }
+ nfs_version &= ~NFSVERSBIT(vers);
break;
case 'n':
_rpcfdtype = SOCK_DGRAM;
case 's':
if ((state_dir = xstrdup(optarg)) == NULL) {
fprintf(stderr, "%s: xstrdup(%s) failed!\n",
- argv[0], optarg);
+ progname, optarg);
exit(1);
}
break;
num_threads = atoi (optarg);
break;
case 'V':
- nfs_version |= 1 << (atoi (optarg) - 1);
+ vers = atoi(optarg);
+ if (vers < 2 || vers > 4) {
+ fprintf(stderr, "%s: bad version number: %s\n",
+ argv[0], optarg);
+ usage(argv[0], 1);
+ }
+ nfs_version |= NFSVERSBIT(vers);
break;
case 'v':
- printf("kmountd %s\n", VERSION);
+ printf("%s version " VERSION "\n", progname);
exit(0);
case 0:
break;
case '?':
default:
- usage(argv [0], 1);
+ usage(progname, 1);
}
/* No more arguments allowed. */
- if (optind != argc || !(nfs_version & 0x7))
- usage(argv [0], 1);
+ if (optind != argc || !version_any())
+ usage(progname, 1);
if (chdir(state_dir)) {
fprintf(stderr, "%s: chdir(%s) failed: %s\n",
- argv [0], state_dir, strerror(errno));
+ progname, state_dir, strerror(errno));
exit(1);
}
if (getrlimit (RLIMIT_NOFILE, &rlim) != 0)
fprintf(stderr, "%s: getrlimit (RLIMIT_NOFILE) failed: %s\n",
- argv [0], strerror(errno));
+ progname, strerror(errno));
else {
/* glibc sunrpc code dies if getdtablesize > FD_SETSIZE */
if ((descriptors == 0 && rlim.rlim_cur > FD_SETSIZE) ||
rlim.rlim_cur = descriptors;
if (setrlimit (RLIMIT_NOFILE, &rlim) != 0) {
fprintf(stderr, "%s: setrlimit (RLIMIT_NOFILE) failed: %s\n",
- argv [0], strerror(errno));
+ progname, strerror(errno));
exit(1);
}
}
}
/* Initialize logging. */
if (!foreground) xlog_stderr(0);
- xlog_open("mountd");
+ xlog_open(progname);
sa.sa_handler = SIG_IGN;
sa.sa_flags = 0;
if (new_cache)
cache_open();
- if (nfs_version & 0x1)
- rpc_init("mountd", MOUNTPROG, MOUNTVERS,
- mount_dispatch, port);
- if (nfs_version & (0x1 << 1))
- rpc_init("mountd", MOUNTPROG, MOUNTVERS_POSIX,
- mount_dispatch, port);
- if (nfs_version & (0x1 << 2))
- rpc_init("mountd", MOUNTPROG, MOUNTVERS_NFSV3,
- mount_dispatch, port);
+ if (version2()) {
+ listeners += nfs_svc_create("mountd", MOUNTPROG,
+ MOUNTVERS, mount_dispatch, port);
+ listeners += nfs_svc_create("mountd", MOUNTPROG,
+ MOUNTVERS_POSIX, mount_dispatch, port);
+ }
+ if (version3())
+ listeners += nfs_svc_create("mountd", MOUNTPROG,
+ MOUNTVERS_NFSV3, mount_dispatch, port);
+ if (version23() && listeners == 0)
+ xlog(L_FATAL, "mountd: could not create listeners\n");
sa.sa_handler = killer;
sigaction(SIGINT, &sa, NULL);
if (num_threads > 1)
fork_workers();
+ xlog(L_NOTICE, "Version " VERSION " starting");
my_svc_run();
- xlog(L_ERROR, "Ack! Gack! svc_run returned!\n");
+ xlog(L_ERROR, "RPC service loop terminated unexpectedly. Exiting...\n");
+ unregister_services();
exit(1);
}
projects / nfs-utils.git / blobdiff