Группа :: Система/Основа
Пакет: util-linux
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Патч: util-linux-2.11y-rh-nfs.patch
diff -Naurp old/mount/Makefile new/mount/Makefile
--- old/mount/Makefile 2002-11-26 04:15:57.000000000 -0500
+++ new/mount/Makefile 2003-12-29 17:26:29.000000000 -0500
@@ -25,7 +25,7 @@ PROGS = $(SUID_PROGS) $(NOSUID_PROGS)
MAYBE = pivot_root swapoff
LO_OBJS = lomount.o $(LIB)/xstrncpy.o
-NFS_OBJS = nfsmount.o nfsmount_xdr.o nfsmount_clnt.o
+NFS_OBJS = nfsmount.o nfsmount_xdr.o
GEN_FILES = nfsmount.h nfsmount_xdr.c nfsmount_clnt.c
all: $(PROGS)
@@ -48,7 +48,7 @@ mount: mount.o fstab.o sundries.o realpa
$(LINK) $^ -o $@
umount: umount.o fstab.o sundries.o realpath.o mntent.o getusername.o \
- get_label_uuid.o version.o $(LIB)/env.o $(LO_OBJS)
+ get_label_uuid.o version.o $(LIB)/env.o $(NFS_OBJS) $(LO_OBJS)
$(LINK) $^ -o $@
swapon: swapon.o version.o
diff -Naurp old/mount/nfsmount.c new/mount/nfsmount.c
--- old/mount/nfsmount.c 2003-12-29 17:21:31.000000000 -0500
+++ new/mount/nfsmount.c 2003-12-29 17:38:15.000000000 -0500
@@ -41,6 +41,7 @@
#undef __FD_ISSET
#undef __FD_ZERO
+#include <ctype.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
@@ -79,11 +80,100 @@
#define NFS_FHSIZE 32
#endif
+#define MNT_SENDBUFSIZE ((u_int)2048)
+#define MNT_RECVBUFSIZE ((u_int)1024)
+
static char *nfs_strerror(int stat);
#define MAKE_VERSION(p,q,r) (65536*(p) + 256*(q) + (r))
#define MAX_NFSPROT ((nfs_mount_version >= 4) ? 3 : 2)
+#define MAX_MNTPROT ((nfs_mount_version >= 4) ? 3 : 2)
+#define HAVE_RELIABLE_TCP (nfs_mount_version >= 4)
+
+#ifndef HAVE_inet_aton
+#define inet_aton(a,b) (0)
+#endif
+
+typedef dirpath mnt2arg_t;
+typedef dirpath mnt3arg_t;
+typedef dirpath mntarg_t;
+
+typedef struct fhstatus mnt2res_t;
+typedef struct mountres3 mnt3res_t;
+typedef union {
+ mnt2res_t nfsv2;
+ mnt3res_t nfsv3;
+} mntres_t;
+
+typedef struct {
+ char **hostname;
+ struct sockaddr_in saddr;
+ struct pmap pmap;
+} clnt_addr_t;
+
+/* RPC call timeout values */
+static const struct timeval TIMEOUT = { 20, 0 };
+static const struct timeval RETRY_TIMEOUT = { 3, 0 };
+
+/* Define the order in which to probe for UDP/TCP services */
+static const u_int *
+proto_probelist(const int use_tcp)
+{
+ static const u_int probe_both[] = { IPPROTO_TCP, IPPROTO_UDP, 0 };
+ static const u_int probe_udponly[] = { IPPROTO_UDP, 0 };
+ if (use_tcp)
+ return probe_both;
+ return probe_udponly;
+}
+
+/* Define the order in which NFS versions are probed on portmapper */
+static const u_long *
+nfs_probelist(const int vers)
+{
+ static const u_long nfs2_probe[] = { 2, 0};
+ static const u_long nfs3_probe[] = { 3, 2, 0};
+ switch (vers) {
+ case 3:
+ return nfs3_probe;
+ default:
+ return nfs2_probe;
+ }
+}
+
+/* Define the order in which Mountd versions are probed on portmapper */
+static const u_long *
+mnt_probelist(const int vers)
+{
+ static const u_long mnt1_probe[] = { 1, 2, 0 };
+ static const u_long mnt3_probe[] = { 3, 1, 2, 0 };
+ switch (vers) {
+ case 3:
+ return mnt3_probe;
+ default:
+ return mnt1_probe;
+ }
+}
+
+/* Map an NFS version into the corresponding Mountd version */
+static u_long
+nfsvers_to_mnt(const u_long vers)
+{
+ static const u_long nfs_to_mnt[] = { 0, 0, 1, 3 };
+ if (vers <= 3)
+ return nfs_to_mnt[vers];
+ return 0;
+}
+
+/* Map a Mountd version into the corresponding NFS version */
+static u_long
+mntvers_to_nfs(const u_long vers)
+{
+ static const u_long mnt_to_nfs[] = { 0, 2, 2, 3 };
+ if (vers <= 3)
+ return mnt_to_nfs[vers];
+ return 0;
+}
static int
linux_version_code(void) {
@@ -109,123 +199,559 @@ linux_version_code(void) {
* NFS_MOUNT_VERSION: these nfsmount sources at compile time
* nfs_mount_version: version this source and running kernel can handle
*/
+static int nfs_mount_version = NFS_MOUNT_VERSION;
+
static int
find_kernel_nfs_mount_version(void) {
static int kernel_version = -1;
- int nfs_mount_version = NFS_MOUNT_VERSION;
+ int mnt_version = NFS_MOUNT_VERSION;
if (kernel_version == -1)
kernel_version = linux_version_code();
if (kernel_version) {
if (kernel_version < MAKE_VERSION(2,1,32))
- nfs_mount_version = 1;
+ mnt_version = 1;
else if (kernel_version < MAKE_VERSION(2,2,18))
- nfs_mount_version = 3;
+ mnt_version = 3;
else if (kernel_version < MAKE_VERSION(2,3,0))
- nfs_mount_version = 4; /* since 2.2.18pre9 */
+ mnt_version = 4; /* since 2.2.18pre9 */
else if (kernel_version < MAKE_VERSION(2,3,99))
- nfs_mount_version = 3;
+ mnt_version = 3;
else
- nfs_mount_version = 4; /* since 2.3.99pre4 */
+ mnt_version = 4; /* since 2.3.99pre4 */
}
- if (nfs_mount_version > NFS_MOUNT_VERSION)
- nfs_mount_version = NFS_MOUNT_VERSION;
- return nfs_mount_version;
-}
-
-static struct pmap *
-get_mountport(struct sockaddr_in *server_addr,
- long unsigned prog,
- long unsigned version,
- long unsigned proto,
- long unsigned port,
- int nfs_mount_version)
-{
- struct pmaplist *pmap;
- static struct pmap p = {0, 0, 0, 0};
-
- if (version > MAX_NFSPROT)
- version = MAX_NFSPROT;
- if (!prog)
- prog = MOUNTPROG;
- p.pm_prog = prog;
- p.pm_vers = version;
- p.pm_prot = proto;
- p.pm_port = port;
-
- server_addr->sin_port = PMAPPORT;
- pmap = pmap_getmaps(server_addr);
-
- while (pmap) {
- if (pmap->pml_map.pm_prog != prog)
- goto next;
- if (!version && p.pm_vers > pmap->pml_map.pm_vers)
- goto next;
- if (version > 2 && pmap->pml_map.pm_vers != version)
- goto next;
- if (version && version <= 2 && pmap->pml_map.pm_vers > 2)
- goto next;
- if (pmap->pml_map.pm_vers > MAX_NFSPROT ||
- (proto && p.pm_prot && pmap->pml_map.pm_prot != proto) ||
- (port && pmap->pml_map.pm_port != port))
- goto next;
- memcpy(&p, &pmap->pml_map, sizeof(p));
- next:
- pmap = pmap->pml_next;
- }
- if (!p.pm_vers)
- p.pm_vers = MOUNTVERS;
- if (!p.pm_prot)
- p.pm_prot = IPPROTO_TCP;
-#if 0
- if (!p.pm_port) {
- p.pm_port = pmap_getport(server_addr, p.pm_prog, p.pm_vers,
- p.pm_prot);
+ if (mnt_version > NFS_MOUNT_VERSION)
+ mnt_version = NFS_MOUNT_VERSION;
+ return mnt_version;
+}
+
+static int
+nfs_gethostbyname(const char *hostname, struct sockaddr_in *saddr)
+{
+ struct hostent *hp;
+
+ saddr->sin_family = AF_INET;
+ if (!inet_aton(hostname, &saddr->sin_addr)) {
+ if ((hp = gethostbyname(hostname)) == NULL) {
+ fprintf(stderr, _("mount: can't get address for %s\n"),
+ hostname);
+ return 0;
+ } else {
+ if (hp->h_length > sizeof(*saddr)) {
+ fprintf(stderr,
+ _("mount: got bad hp->h_length\n"));
+ hp->h_length = sizeof(*saddr);
+ }
+ memcpy(&saddr->sin_addr, hp->h_addr, hp->h_length);
+ }
}
+ return 1;
+}
+
+/*
+ * Sigh... pmap_getport() doesn't actually check the version number.
+ * In order to make sure that the server actually supports the service
+ * we're requesting, we open and RPC client, and fire off a NULL
+ * RPC call.
+ */
+static int
+clnt_ping(struct sockaddr_in *saddr, const u_long prog, const u_long vers,
+ const u_int prot)
+{
+ CLIENT *clnt;
+ int sock, stat;
+ static char clnt_res;
+
+ sock = RPC_ANYSOCK;
+ switch(prot) {
+ case IPPROTO_UDP:
+ clnt = clntudp_bufcreate(saddr, prog, vers,
+ RETRY_TIMEOUT, &sock,
+ RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
+ break;
+ case IPPROTO_TCP:
+ clnt = clnttcp_create(saddr, prog, vers, &sock,
+ RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
+ break;
+ default:
+ goto out_bad;
+ }
+ if (!clnt)
+ goto out_bad;
+ memset(&clnt_res, 0, sizeof(clnt_res));
+ stat = clnt_call(clnt, NULLPROC,
+ (xdrproc_t)xdr_void, (caddr_t)NULL,
+ (xdrproc_t)xdr_void, (caddr_t)&clnt_res,
+ TIMEOUT);
+ clnt_destroy(clnt);
+ close(sock);
+ if (stat != RPC_PROGVERSMISMATCH)
+ return 1;
+ out_bad:
+ return 0;
+}
+
+/*
+ * Use the portmapper to discover whether or not the service we want is
+ * available. The lists 'versions' and 'protos' define ordered sequences
+ * of service versions and udp/tcp protocols to probe for.
+ */
+static int
+probe_port(clnt_addr_t *server,
+ const u_long *versions,
+ const u_int *protos)
+{
+ struct sockaddr_in *saddr = &server->saddr;
+ struct pmap *pmap = &server->pmap;
+ const u_long prog = pmap->pm_prog,
+ vers = pmap->pm_vers,
+ *p_vers;
+ const u_int prot = (u_int)pmap->pm_prot,
+ *p_prot;
+ const u_short port = (u_short) pmap->pm_port;
+ u_short p_port;
+
+ p_prot = prot ? &prot : protos;
+ p_vers = vers ? &vers : versions;
+ for (;;) {
+ saddr->sin_port = htons(PMAPPORT);
+ p_port = pmap_getport(saddr, prog, *p_vers, *p_prot);
+ if (p_port) {
+ if (!port || port == p_port) {
+ saddr->sin_port = htons(port);
+ if (clnt_ping(saddr, prog, *p_vers, *p_prot))
+ goto out_ok;
+ }
+ } else if (rpc_createerr.cf_stat != RPC_PROGNOTREGISTERED)
+ break;
+ if (!prot) {
+ if (*++p_prot)
+ continue;
+ p_prot = protos;
+ }
+ if (vers || !*++p_vers)
+ break;
+ }
+ return 0;
+ out_ok:
+ if (!vers)
+ pmap->pm_vers = *p_vers;
+ if (!prot)
+ pmap->pm_prot = *p_prot;
+ if (!port)
+ pmap->pm_port = p_port;
+ return 1;
+}
+
+static int
+probe_nfsport(clnt_addr_t *nfs_server)
+{
+ const struct pmap *pmap = &nfs_server->pmap;
+ const u_long *probe_vers;
+ const u_int *probe_prot;
+
+ if (pmap->pm_vers && pmap->pm_prot && pmap->pm_port)
+ return 1;
+ probe_vers = nfs_probelist(MAX_NFSPROT);
+ probe_prot = proto_probelist(HAVE_RELIABLE_TCP);
+ return probe_port(nfs_server, probe_vers, probe_prot);
+}
+
+static int
+probe_mntport(clnt_addr_t *mnt_server)
+{
+ const struct pmap *pmap = &mnt_server->pmap;
+ const u_long *probe_vers;
+ const u_int *probe_prot;
+
+ if (pmap->pm_vers && pmap->pm_prot && pmap->pm_port)
+ return 1;
+ probe_vers = mnt_probelist(MAX_MNTPROT);
+ probe_prot = proto_probelist(HAVE_RELIABLE_TCP);
+ return probe_port(mnt_server, probe_vers, probe_prot);
+}
+
+static int
+probe_bothports(clnt_addr_t *mnt_server, clnt_addr_t *nfs_server)
+{
+ struct pmap *nfs_pmap = &nfs_server->pmap;
+ struct pmap *mnt_pmap = &mnt_server->pmap;
+ struct pmap save_nfs, save_mnt;
+ int res;
+ const u_long *probe_vers;
+
+ if (mnt_pmap->pm_vers && !nfs_pmap->pm_vers)
+ nfs_pmap->pm_vers = mntvers_to_nfs(mnt_pmap->pm_vers);
+ else if (nfs_pmap->pm_vers && !mnt_pmap->pm_vers)
+ mnt_pmap->pm_vers = nfsvers_to_mnt(nfs_pmap->pm_vers);
+ if (nfs_pmap->pm_vers)
+ goto version_fixed;
+ memcpy(&save_nfs, nfs_pmap, sizeof(save_nfs));
+ memcpy(&save_mnt, mnt_pmap, sizeof(save_mnt));
+ for (probe_vers = mnt_probelist(MAX_MNTPROT); *probe_vers; probe_vers++) {
+ nfs_pmap->pm_vers = mntvers_to_nfs(*probe_vers);
+ if ((res = probe_nfsport(nfs_server) != 0)) {
+ mnt_pmap->pm_vers = *probe_vers;
+ if ((res = probe_mntport(mnt_server)) != 0)
+ return 1;
+ memcpy(mnt_pmap, &save_mnt, sizeof(*mnt_pmap));
+ }
+ memcpy(nfs_pmap, &save_nfs, sizeof(*nfs_pmap));
+ }
+ out_bad:
+ return 0;
+ version_fixed:
+ if (!probe_nfsport(nfs_server))
+ goto out_bad;
+ return probe_mntport(mnt_server);
+}
+
+static CLIENT *
+mnt_openclnt(clnt_addr_t *mnt_server, int *msock, const int report_errs)
+{
+ struct sockaddr_in *mnt_saddr = &mnt_server->saddr;
+ struct pmap *mnt_pmap = &mnt_server->pmap;
+ CLIENT *clnt;
+
+ /* contact the mount daemon via TCP */
+ mnt_saddr->sin_port = htons((u_short)mnt_pmap->pm_port);
+ *msock = RPC_ANYSOCK;
+
+ switch (mnt_pmap->pm_prot) {
+ case IPPROTO_UDP:
+ clnt = clntudp_bufcreate(mnt_saddr,
+ mnt_pmap->pm_prog, mnt_pmap->pm_vers,
+ RETRY_TIMEOUT, msock,
+ MNT_SENDBUFSIZE, MNT_RECVBUFSIZE);
+ break;
+ case IPPROTO_TCP:
+ clnt = clnttcp_create(mnt_saddr,
+ mnt_pmap->pm_prog, mnt_pmap->pm_vers,
+ msock,
+ MNT_SENDBUFSIZE, MNT_RECVBUFSIZE);
+ break;
+ default:
+ goto out_bad;
+ }
+ if (!clnt)
+ goto report_err;
+ /* try to mount hostname:dirname */
+ clnt->cl_auth = authunix_create_default();
+ return clnt;
+ report_err:
+ if (report_errs)
+ clnt_pcreateerror("mount");
+ out_bad:
+ return NULL;
+}
+
+static inline void
+mnt_closeclnt(CLIENT *clnt, int msock)
+{
+ auth_destroy(clnt->cl_auth);
+ clnt_destroy(clnt);
+ close(msock);
+}
+
+static inline enum clnt_stat
+nfs3_mount(CLIENT *clnt, mnt3arg_t *mnt3arg, mnt3res_t *mnt3res)
+{
+ return clnt_call(clnt, MOUNTPROC3_MNT,
+ (xdrproc_t) xdr_dirpath, (caddr_t) mnt3arg,
+ (xdrproc_t) xdr_mountres3, (caddr_t) mnt3res,
+ TIMEOUT);
+}
+
+static inline enum clnt_stat
+nfs2_mount(CLIENT *clnt, mnt2arg_t *mnt2arg, mnt2res_t *mnt2res)
+{
+ return clnt_call(clnt, MOUNTPROC_MNT,
+ (xdrproc_t) xdr_dirpath, (caddr_t) mnt2arg,
+ (xdrproc_t) xdr_fhstatus, (caddr_t) mnt2res,
+ TIMEOUT);
+}
+
+static int
+nfs_call_mount(clnt_addr_t *mnt_server, clnt_addr_t *nfs_server,
+ mntarg_t *mntarg, mntres_t *mntres, const int report_errs)
+{
+ CLIENT *clnt;
+ enum clnt_stat stat;
+ int msock;
+
+
+ if (!probe_bothports(mnt_server, nfs_server)) {
+ if (report_errs)
+ fprintf(stderr,_("mount: failed to probe ports on NFS server %s\n"),
+ *nfs_server->hostname);
+ goto out_bad;
+ }
+
+ clnt = mnt_openclnt(mnt_server, &msock, report_errs);
+ if (!clnt)
+ goto out_bad;
+ /* make pointers in xdr_mountres3 NULL so
+ * that xdr_array allocates memory for us
+ */
+ memset(mntres, 0, sizeof(*mntres));
+ switch (mnt_server->pmap.pm_vers) {
+ case 3:
+ stat = nfs3_mount(clnt, mntarg, &mntres->nfsv3);
+ break;
+ case 2:
+ case 1:
+ stat = nfs2_mount(clnt, mntarg, &mntres->nfsv2);
+ break;
+ default:
+ goto out_bad;
+ }
+ if (stat != RPC_SUCCESS && report_errs)
+ clnt_perror(clnt, "mount");
+ mnt_closeclnt(clnt, msock);
+ if (stat == RPC_SUCCESS)
+ return 1;
+ out_bad:
+ return 0;
+}
+
+static int
+parse_options(char *old_opts, struct nfs_mount_data *data,
+ int *bg, int *retry, clnt_addr_t *mnt_server,
+ clnt_addr_t *nfs_server, char *new_opts, const int opt_size)
+{
+ struct sockaddr_in *mnt_saddr = &mnt_server->saddr;
+ struct pmap *mnt_pmap = &mnt_server->pmap;
+ struct pmap *nfs_pmap = &nfs_server->pmap;
+ int len;
+ char *opt, *opteq;
+ char *mounthost = NULL;
+ char cbuf[128];
+
+ data->flags = 0;
+ *bg = 0;
+
+ len = strlen(new_opts);
+ for (opt = strtok(old_opts, ","); opt; opt = strtok(NULL, ",")) {
+ if (strlen(opt) >= sizeof(cbuf))
+ goto bad_parameter;
+ if ((opteq = strchr(opt, '=')) && isdigit(opteq[1])) {
+ int val = atoi(opteq + 1);
+ *opteq = '\0';
+ if (!strcmp(opt, "rsize"))
+ data->rsize = val;
+ else if (!strcmp(opt, "wsize"))
+ data->wsize = val;
+ else if (!strcmp(opt, "timeo"))
+ data->timeo = val;
+ else if (!strcmp(opt, "retrans"))
+ data->retrans = val;
+ else if (!strcmp(opt, "acregmin"))
+ data->acregmin = val;
+ else if (!strcmp(opt, "acregmax"))
+ data->acregmax = val;
+ else if (!strcmp(opt, "acdirmin"))
+ data->acdirmin = val;
+ else if (!strcmp(opt, "acdirmax"))
+ data->acdirmax = val;
+ else if (!strcmp(opt, "actimeo")) {
+ data->acregmin = val;
+ data->acregmax = val;
+ data->acdirmin = val;
+ data->acdirmax = val;
+ }
+ else if (!strcmp(opt, "retry"))
+ *retry = val;
+ else if (!strcmp(opt, "port"))
+ nfs_pmap->pm_port = val;
+ else if (!strcmp(opt, "mountport"))
+ mnt_pmap->pm_port = val;
+ else if (!strcmp(opt, "mountprog"))
+ mnt_pmap->pm_prog = val;
+ else if (!strcmp(opt, "mountvers"))
+ mnt_pmap->pm_vers = val;
+ else if (!strcmp(opt, "nfsprog"))
+ nfs_pmap->pm_prog = val;
+ else if (!strcmp(opt, "nfsvers") ||
+ !strcmp(opt, "vers")) {
+ nfs_pmap->pm_vers = val;
+ opt = "nfsvers";
+#if NFS_MOUNT_VERSION >= 2
+ } else if (!strcmp(opt, "namlen")) {
+ if (nfs_mount_version >= 2)
+ data->namlen = val;
+ else
+ goto bad_parameter;
#endif
-#if 0
-#define MOUNTPORT 635
- /* HJLu wants to remove all traces of the old default port.
- Are there still people running a mount RPC service on this
- port without having a portmapper? */
- if (!p.pm_port)
- p.pm_port = MOUNTPORT;
-#endif
- return &p;
+ } else if (!strcmp(opt, "addr")) {
+ /* ignore */;
+ continue;
+ } else
+ goto bad_parameter;
+ sprintf(cbuf, "%s=%s,", opt, opteq+1);
+ } else if (opteq) {
+ *opteq = '\0';
+ if (!strcmp(opt, "proto")) {
+ if (!strcmp(opteq+1, "udp")) {
+ nfs_pmap->pm_prot = IPPROTO_UDP;
+#if NFS_MOUNT_VERSION >= 2
+ data->flags &= ~NFS_MOUNT_TCP;
+ } else if (!strcmp(opteq+1, "tcp") &&
+ nfs_mount_version < 2) {
+ nfs_pmap->pm_prot = IPPROTO_TCP;
+ data->flags |= NFS_MOUNT_TCP;
+#endif
+ } else
+ goto bad_parameter;
+ } else if (!strcmp(opt, "mounthost"))
+ mounthost=xstrndup(opteq+1,
+ strcspn(opteq+1," \t\n\r,"));
+ else
+ goto bad_parameter;
+ sprintf(cbuf, "%s=%s,", opt, opteq+1);
+ } else {
+ int val = 1;
+ if (!strncmp(opt, "no", 2)) {
+ val = 0;
+ opt += 2;
+ }
+ if (!strcmp(opt, "bg"))
+ *bg = val;
+ else if (!strcmp(opt, "fg"))
+ *bg = !val;
+ else if (!strcmp(opt, "soft")) {
+ data->flags &= ~NFS_MOUNT_SOFT;
+ if (val)
+ data->flags |= NFS_MOUNT_SOFT;
+ } else if (!strcmp(opt, "hard")) {
+ data->flags &= ~NFS_MOUNT_SOFT;
+ if (!val)
+ data->flags |= NFS_MOUNT_SOFT;
+ } else if (!strcmp(opt, "intr")) {
+ data->flags &= ~NFS_MOUNT_INTR;
+ if (val)
+ data->flags |= NFS_MOUNT_INTR;
+ } else if (!strcmp(opt, "posix")) {
+ data->flags &= ~NFS_MOUNT_POSIX;
+ if (val)
+ data->flags |= NFS_MOUNT_POSIX;
+ } else if (!strcmp(opt, "cto")) {
+ data->flags &= ~NFS_MOUNT_NOCTO;
+ if (!val)
+ data->flags |= NFS_MOUNT_NOCTO;
+ } else if (!strcmp(opt, "ac")) {
+ data->flags &= ~NFS_MOUNT_NOAC;
+ if (!val)
+ data->flags |= NFS_MOUNT_NOAC;
+#if NFS_MOUNT_VERSION >= 2
+ } else if (!strcmp(opt, "tcp")) {
+ data->flags &= ~NFS_MOUNT_TCP;
+ if (val) {
+ if (nfs_mount_version < 2)
+ goto bad_option;
+ nfs_pmap->pm_prot = IPPROTO_TCP;
+ data->flags |= NFS_MOUNT_TCP;
+ } else
+ nfs_pmap->pm_prot = IPPROTO_UDP;
+ } else if (!strcmp(opt, "udp")) {
+ data->flags &= ~NFS_MOUNT_TCP;
+ if (!val) {
+ if (nfs_mount_version < 2)
+ goto bad_option;
+ nfs_pmap->pm_prot = IPPROTO_TCP;
+ data->flags |= NFS_MOUNT_TCP;
+ } else
+ nfs_pmap->pm_prot = IPPROTO_UDP;
+#endif
+#if NFS_MOUNT_VERSION >= 3
+ } else if (!strcmp(opt, "lock")) {
+ data->flags &= ~NFS_MOUNT_NONLM;
+ if (!val) {
+ if (nfs_mount_version < 3)
+ goto bad_option;
+ data->flags |= NFS_MOUNT_NONLM;
+ }
+#endif
+#if NFS_MOUNT_VERSION >= 4
+ } else if (!strcmp(opt, "broken_suid")) {
+ data->flags &= ~NFS_MOUNT_BROKEN_SUID;
+ if (val) {
+ if (nfs_mount_version < 4)
+ goto bad_option;
+ data->flags |= NFS_MOUNT_BROKEN_SUID;
+ }
+#endif
+ } else {
+ bad_option:
+ printf(_("Unsupported nfs mount option: "
+ "%s%s\n"), val ? "" : "no", opt);
+ goto out_bad;
+ }
+ sprintf(cbuf, val ? "%s,":"no%s,", opt);
+ }
+ len += strlen(cbuf);
+ if (len >= opt_size) {
+ printf(_("mount: excessively long option argument\n"));
+ goto out_bad;
+ }
+ strcat(new_opts, cbuf);
+ }
+ /* See if the nfs host = mount host. */
+ if (mounthost) {
+ if (!nfs_gethostbyname(mounthost, mnt_saddr))
+ goto out_bad;
+ *mnt_server->hostname = mounthost;
+ }
+ return 1;
+ out_bad:
+ return 0;
+ bad_parameter:
+ printf(_("Bad nfs mount parameter: %s\n"), opt);
+ goto out_bad;
+}
+
+static inline int
+nfsmnt_check_compat(const struct pmap *nfs_pmap, const struct pmap *mnt_pmap)
+{
+ if (nfs_pmap->pm_vers > MAX_NFSPROT) {
+ fprintf(stderr, _("NFSv%ld not supported!\n"), nfs_pmap->pm_vers);
+ goto out_bad;
+ }
+ if (mnt_pmap->pm_vers > MAX_MNTPROT) {
+ fprintf(stderr, _("NFS mount v%ld not supported!\n"), mnt_pmap->pm_vers);
+ goto out_bad;
+ }
+ return 1;
+ out_bad:
+ return 0;
}
-int nfsmount(const char *spec, const char *node, int *flags,
- char **extra_opts, char **mount_opts, int *nfs_mount_vers,
- int running_bg)
+int
+nfsmount(const char *spec, const char *node, int *flags,
+ char **extra_opts, char **mount_opts, int *nfs_mount_vers,
+ int running_bg)
{
static char *prev_bg_host;
char hostdir[1024];
- CLIENT *mclient;
char *hostname, *dirname, *old_opts, *mounthost = NULL;
- char new_opts[1024];
- struct timeval total_timeout;
- enum clnt_stat clnt_stat;
+ char new_opts[1024], cbuf[20];
static struct nfs_mount_data data;
- char *opt, *opteq;
- int nfs_mount_version;
int val;
- struct hostent *hp;
- struct sockaddr_in server_addr;
- struct sockaddr_in mount_server_addr;
- struct pmap *pm_mnt;
- int msock, fsock;
- struct timeval retry_timeout;
- union {
- struct fhstatus nfsv2;
- struct mountres3 nfsv3;
- } status;
+
+ clnt_addr_t mnt_server = { &mounthost, };
+ clnt_addr_t nfs_server = { &hostname, };
+ struct sockaddr_in *nfs_saddr = &nfs_server.saddr;
+ struct pmap *mnt_pmap = &mnt_server.pmap,
+ *nfs_pmap = &nfs_server.pmap;
+ struct pmap save_mnt, save_nfs;
+
+ int fsock;
+
+ mntres_t mntres;
+
struct stat statbuf;
- char *s;
- int port, mountport, proto, bg, soft, intr;
- int posix, nocto, noac, nolock, broken_suid;
- int retry, tcp;
- int mountprog, mountvers, nfsprog, nfsvers;
+ char *s, *p;
+ int bg, retry;
int retval;
time_t t;
time_t prevt;
@@ -238,8 +764,7 @@ int nfsmount(const char *spec, const cha
nfs_mount_version = *nfs_mount_vers;
retval = EX_FAIL;
- msock = fsock = -1;
- mclient = NULL;
+ fsock = -1;
if (strlen(spec) >= sizeof(hostdir)) {
fprintf(stderr, _("mount: "
"excessively long host:dir argument\n"));
@@ -265,49 +790,23 @@ int nfsmount(const char *spec, const cha
goto fail;
}
- server_addr.sin_family = AF_INET;
-#ifdef HAVE_inet_aton
- if (!inet_aton(hostname, &server_addr.sin_addr))
-#endif
- {
- if ((hp = gethostbyname(hostname)) == NULL) {
- fprintf(stderr, _("mount: can't get address for %s\n"),
- hostname);
- goto fail;
- } else {
- if (hp->h_length > sizeof(struct in_addr)) {
- fprintf(stderr,
- _("mount: got bad hp->h_length\n"));
- hp->h_length = sizeof(struct in_addr);
- }
- memcpy(&server_addr.sin_addr,
- hp->h_addr, hp->h_length);
- }
- }
-
- memcpy (&mount_server_addr, &server_addr, sizeof (mount_server_addr));
+ if (!nfs_gethostbyname(hostname, nfs_saddr))
+ goto fail;
+ mounthost = hostname;
+ memcpy (&mnt_server.saddr, nfs_saddr, sizeof (mnt_server.saddr));
/* add IP address to mtab options for use when unmounting */
- s = inet_ntoa(server_addr.sin_addr);
+ s = inet_ntoa(nfs_saddr->sin_addr);
old_opts = *extra_opts;
if (!old_opts)
old_opts = "";
- if (strlen(old_opts) + strlen(s) + 10 >= sizeof(new_opts)) {
- fprintf(stderr, _("mount: "
- "excessively long option argument\n"));
- goto fail;
- }
- sprintf(new_opts, "%s%saddr=%s",
- old_opts, *old_opts ? "," : "", s);
- *extra_opts = xstrdup(new_opts);
/* Set default options.
* rsize/wsize (and bsize, for ver >= 3) are left 0 in order to
* let the kernel decide.
* timeo is filled in after we know whether it'll be TCP or UDP. */
memset(&data, 0, sizeof(data));
- data.retrans = 3;
data.acregmin = 3;
data.acregmax = 60;
data.acdirmin = 30;
@@ -317,167 +816,21 @@ int nfsmount(const char *spec, const cha
#endif
bg = 0;
- soft = 0;
- intr = 0;
- posix = 0;
- nocto = 0;
- nolock = 0;
- broken_suid = 0;
- noac = 0;
retry = 10000; /* 10000 minutes ~ 1 week */
- tcp = 0;
- mountprog = MOUNTPROG;
- mountvers = 0;
- port = 0;
- mountport = 0;
- nfsprog = NFS_PROGRAM;
- nfsvers = 0;
+ memset(mnt_pmap, 0, sizeof(*mnt_pmap));
+ mnt_pmap->pm_prog = MOUNTPROG;
+ memset(nfs_pmap, 0, sizeof(*nfs_pmap));
+ nfs_pmap->pm_prog = NFS_PROGRAM;
/* parse options */
+ new_opts[0] = 0;
+ if (!parse_options(old_opts, &data, &bg, &retry, &mnt_server, &nfs_server,
+ new_opts, sizeof(new_opts)))
+ goto fail;
+ if (!nfsmnt_check_compat(nfs_pmap, mnt_pmap))
+ goto fail;
- for (opt = strtok(old_opts, ","); opt; opt = strtok(NULL, ",")) {
- if ((opteq = strchr(opt, '='))) {
- val = atoi(opteq + 1);
- *opteq = '\0';
- if (!strcmp(opt, "rsize"))
- data.rsize = val;
- else if (!strcmp(opt, "wsize"))
- data.wsize = val;
- else if (!strcmp(opt, "timeo"))
- data.timeo = val;
- else if (!strcmp(opt, "retrans"))
- data.retrans = val;
- else if (!strcmp(opt, "acregmin"))
- data.acregmin = val;
- else if (!strcmp(opt, "acregmax"))
- data.acregmax = val;
- else if (!strcmp(opt, "acdirmin"))
- data.acdirmin = val;
- else if (!strcmp(opt, "acdirmax"))
- data.acdirmax = val;
- else if (!strcmp(opt, "actimeo")) {
- data.acregmin = val;
- data.acregmax = val;
- data.acdirmin = val;
- data.acdirmax = val;
- }
- else if (!strcmp(opt, "retry"))
- retry = val;
- else if (!strcmp(opt, "port"))
- port = val;
- else if (!strcmp(opt, "mountport"))
- mountport = val;
- else if (!strcmp(opt, "mounthost"))
- mounthost=xstrndup(opteq+1,
- strcspn(opteq+1," \t\n\r,"));
- else if (!strcmp(opt, "mountprog"))
- mountprog = val;
- else if (!strcmp(opt, "mountvers"))
- mountvers = val;
- else if (!strcmp(opt, "nfsprog"))
- nfsprog = val;
- else if (!strcmp(opt, "nfsvers") ||
- !strcmp(opt, "vers"))
- nfsvers = val;
- else if (!strcmp(opt, "proto")) {
- if (!strncmp(opteq+1, "tcp", 3))
- tcp = 1;
- else if (!strncmp(opteq+1, "udp", 3))
- tcp = 0;
- else
- printf(_("Warning: Unrecognized proto= option.\n"));
- } else if (!strcmp(opt, "namlen")) {
-#if NFS_MOUNT_VERSION >= 2
- if (nfs_mount_version >= 2)
- data.namlen = val;
- else
-#endif
- printf(_("Warning: Option namlen is not supported.\n"));
- } else if (!strcmp(opt, "addr")) {
- /* ignore */;
- } else {
- printf(_("unknown nfs mount parameter: "
- "%s=%d\n"), opt, val);
- goto fail;
- }
- } else {
- val = 1;
- if (!strncmp(opt, "no", 2)) {
- val = 0;
- opt += 2;
- }
- if (!strcmp(opt, "bg"))
- bg = val;
- else if (!strcmp(opt, "fg"))
- bg = !val;
- else if (!strcmp(opt, "soft"))
- soft = val;
- else if (!strcmp(opt, "hard"))
- soft = !val;
- else if (!strcmp(opt, "intr"))
- intr = val;
- else if (!strcmp(opt, "posix"))
- posix = val;
- else if (!strcmp(opt, "cto"))
- nocto = !val;
- else if (!strcmp(opt, "ac"))
- noac = !val;
- else if (!strcmp(opt, "tcp"))
- tcp = val;
- else if (!strcmp(opt, "udp"))
- tcp = !val;
- else if (!strcmp(opt, "lock")) {
- if (nfs_mount_version >= 3)
- nolock = !val;
- else
- printf(_("Warning: option nolock is not supported.\n"));
- } else if (!strcmp(opt, "broken_suid")) {
- broken_suid = val;
- } else {
- if (!sloppy) {
- printf(_("unknown nfs mount option: "
- "%s%s\n"), val ? "" : "no", opt);
- goto fail;
- }
- }
- }
- }
- proto = (tcp) ? IPPROTO_TCP : IPPROTO_UDP;
-
- data.flags = (soft ? NFS_MOUNT_SOFT : 0)
- | (intr ? NFS_MOUNT_INTR : 0)
- | (posix ? NFS_MOUNT_POSIX : 0)
- | (nocto ? NFS_MOUNT_NOCTO : 0)
- | (noac ? NFS_MOUNT_NOAC : 0);
-#if NFS_MOUNT_VERSION >= 2
- if (nfs_mount_version >= 2)
- data.flags |= (tcp ? NFS_MOUNT_TCP : 0);
-#endif
-#if NFS_MOUNT_VERSION >= 3
- if (nfs_mount_version >= 3)
- data.flags |= (nolock ? NFS_MOUNT_NONLM : 0);
-#endif
-#if NFS_MOUNT_VERSION >= 4
- if (nfs_mount_version >= 4)
- data.flags |= (broken_suid ? NFS_MOUNT_BROKEN_SUID : 0);
-#endif
- if (nfsvers > MAX_NFSPROT) {
- fprintf(stderr, "NFSv%d not supported!\n", nfsvers);
- return 0;
- }
- if (mountvers > MAX_NFSPROT) {
- fprintf(stderr, "NFSv%d not supported!\n", nfsvers);
- return 0;
- }
- if (nfsvers && !mountvers)
- mountvers = (nfsvers < 3) ? 1 : nfsvers;
- if (nfsvers && nfsvers < mountvers)
- mountvers = nfsvers;
-
- /* Adjust options if none specified */
- if (!data.timeo)
- data.timeo = tcp ? 70 : 7;
#ifdef NFS_MOUNT_DEBUG
printf("rsize = %d, wsize = %d, timeo = %d, retrans = %d\n",
@@ -485,9 +838,10 @@ int nfsmount(const char *spec, const cha
printf("acreg (min, max) = (%d, %d), acdir (min, max) = (%d, %d)\n",
data.acregmin, data.acregmax, data.acdirmin, data.acdirmax);
printf("port = %d, bg = %d, retry = %d, flags = %.8x\n",
- port, bg, retry, data.flags);
+ nfs_pmap->pm_port, bg, retry, data.flags);
printf("mountprog = %d, mountvers = %d, nfsprog = %d, nfsvers = %d\n",
- mountprog, mountvers, nfsprog, nfsvers);
+ mnt_pmap->pm_prog, mnt_pmap->pm_vers,
+ nfs_pmap->pm_prog, nfs_pmap->pm_vers);
printf("soft = %d, intr = %d, posix = %d, nocto = %d, noac = %d\n",
(data.flags & NFS_MOUNT_SOFT) != 0,
(data.flags & NFS_MOUNT_INTR) != 0,
@@ -504,7 +858,7 @@ int nfsmount(const char *spec, const cha
*mount_opts = (char *) &data;
if (*flags & MS_REMOUNT)
- return 0;
+ goto out_ok;
/*
* If the previous mount operation on the same host was
@@ -519,28 +873,6 @@ int nfsmount(const char *spec, const cha
}
/* create mount deamon client */
- /* See if the nfs host = mount host. */
- if (mounthost) {
- if (mounthost[0] >= '0' && mounthost[0] <= '9') {
- mount_server_addr.sin_family = AF_INET;
- mount_server_addr.sin_addr.s_addr = inet_addr(hostname);
- } else {
- if ((hp = gethostbyname(mounthost)) == NULL) {
- fprintf(stderr, _("mount: can't get address for %s\n"),
- mounthost);
- goto fail;
- } else {
- if (hp->h_length > sizeof(struct in_addr)) {
- fprintf(stderr,
- _("mount: got bad hp->h_length?\n"));
- hp->h_length = sizeof(struct in_addr);
- }
- mount_server_addr.sin_family = AF_INET;
- memcpy(&mount_server_addr.sin_addr,
- hp->h_addr, hp->h_length);
- }
- }
- }
/*
* The following loop implements the mount retries. On the first
@@ -558,15 +890,13 @@ int nfsmount(const char *spec, const cha
*
* Only the first error message will be displayed.
*/
- retry_timeout.tv_sec = 3;
- retry_timeout.tv_usec = 0;
- total_timeout.tv_sec = 20;
- total_timeout.tv_usec = 0;
timeout = time(NULL) + 60 * retry;
prevt = 0;
t = 30;
val = 1;
+ memcpy(&save_nfs, nfs_pmap, sizeof(save_nfs));
+ memcpy(&save_mnt, mnt_pmap, sizeof(save_mnt));
for (;;) {
if (bg && stat(node, &statbuf) == -1) {
/* no mount point yet - sleep */
@@ -577,89 +907,18 @@ int nfsmount(const char *spec, const cha
val = 30;
}
} else {
+ int stat;
/* be careful not to use too many CPU cycles */
if (t - prevt < 30)
sleep(30);
- pm_mnt = get_mountport(&mount_server_addr,
- mountprog,
- mountvers,
- proto,
- mountport,
- nfs_mount_version);
-
- /* contact the mount daemon via TCP */
- mount_server_addr.sin_port = htons(pm_mnt->pm_port);
- msock = RPC_ANYSOCK;
-
- switch (pm_mnt->pm_prot) {
- case IPPROTO_UDP:
- mclient = clntudp_create(&mount_server_addr,
- pm_mnt->pm_prog,
- pm_mnt->pm_vers,
- retry_timeout,
- &msock);
- if (mclient)
- break;
- mount_server_addr.sin_port =
- htons(pm_mnt->pm_port);
- msock = RPC_ANYSOCK;
- case IPPROTO_TCP:
- mclient = clnttcp_create(&mount_server_addr,
- pm_mnt->pm_prog,
- pm_mnt->pm_vers,
- &msock, 0, 0);
+ stat = nfs_call_mount(&mnt_server, &nfs_server,
+ &dirname, &mntres,
+ !running_bg && prevt == 0);
+ if (stat)
break;
- default:
- mclient = 0;
- }
-
- if (mclient) {
- /* try to mount hostname:dirname */
- mclient->cl_auth = authunix_create_default();
-
- /* make pointers in xdr_mountres3 NULL so
- * that xdr_array allocates memory for us
- */
- memset(&status, 0, sizeof(status));
-
- if (pm_mnt->pm_vers == 3)
- clnt_stat = clnt_call(mclient,
- MOUNTPROC3_MNT,
- (xdrproc_t) xdr_dirpath,
- (caddr_t) &dirname,
- (xdrproc_t) xdr_mountres3,
- (caddr_t) &status,
- total_timeout);
- else
- clnt_stat = clnt_call(mclient,
- MOUNTPROC_MNT,
- (xdrproc_t) xdr_dirpath,
- (caddr_t) &dirname,
- (xdrproc_t) xdr_fhstatus,
- (caddr_t) &status,
- total_timeout);
-
- if (clnt_stat == RPC_SUCCESS)
- break; /* we're done */
-#if 0
- /* errno? who sets errno? */
- /* this fragment breaks bg mounting */
- if (errno != ECONNREFUSED) {
- clnt_perror(mclient, "mount");
- goto fail; /* don't retry */
- }
-#endif
- if (!running_bg && prevt == 0)
- clnt_perror(mclient, "mount");
- auth_destroy(mclient->cl_auth);
- clnt_destroy(mclient);
- mclient = 0;
- close(msock);
- } else {
- if (!running_bg && prevt == 0)
- clnt_pcreateerror("mount");
- }
+ memcpy(nfs_pmap, &save_nfs, sizeof(*nfs_pmap));
+ memcpy(mnt_pmap, &save_mnt, sizeof(*mnt_pmap));
prevt = t;
}
@@ -675,36 +934,35 @@ int nfsmount(const char *spec, const cha
if (t >= timeout)
goto fail;
}
- nfsvers = (pm_mnt->pm_vers < 2) ? 2 : pm_mnt->pm_vers;
- if (nfsvers == 2) {
- if (status.nfsv2.fhs_status != 0) {
+ if (nfs_pmap->pm_vers == 2) {
+ if (mntres.nfsv2.fhs_status != 0) {
fprintf(stderr,
- "mount: %s:%s failed, reason given by server: %s\n",
+ _("mount: %s:%s failed, reason given by server: %s\n"),
hostname, dirname,
- nfs_strerror(status.nfsv2.fhs_status));
+ nfs_strerror(mntres.nfsv2.fhs_status));
goto fail;
}
memcpy(data.root.data,
- (char *) status.nfsv2.fhstatus_u.fhs_fhandle,
+ (char *) mntres.nfsv2.fhstatus_u.fhs_fhandle,
NFS_FHSIZE);
#if NFS_MOUNT_VERSION >= 4
data.root.size = NFS_FHSIZE;
memcpy(data.old_root.data,
- (char *) status.nfsv2.fhstatus_u.fhs_fhandle,
+ (char *) mntres.nfsv2.fhstatus_u.fhs_fhandle,
NFS_FHSIZE);
#endif
} else {
#if NFS_MOUNT_VERSION >= 4
fhandle3 *fhandle;
- if (status.nfsv3.fhs_status != 0) {
+ if (mntres.nfsv3.fhs_status != 0) {
fprintf(stderr,
- "mount: %s:%s failed, reason given by server: %s\n",
+ _("mount: %s:%s failed, reason given by server: %s\n"),
hostname, dirname,
- nfs_strerror(status.nfsv3.fhs_status));
+ nfs_strerror(mntres.nfsv3.fhs_status));
goto fail;
}
- fhandle = &status.nfsv3.mountres3_u.mountinfo.fhandle;
+ fhandle = &mntres.nfsv3.mountres3_u.mountinfo.fhandle;
memset(data.old_root.data, 0, NFS_FHSIZE);
memset(&data.root, 0, sizeof(data.root));
data.root.size = fhandle->fhandle3_len;
@@ -718,13 +976,9 @@ int nfsmount(const char *spec, const cha
/* create nfs socket for kernel */
- if (tcp) {
- if (nfs_mount_version < 3) {
- printf(_("NFS over TCP is not supported.\n"));
- goto fail;
- }
+ if (nfs_pmap->pm_prot == IPPROTO_TCP)
fsock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
- } else
+ else
fsock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (fsock < 0) {
perror(_("nfs socket"));
@@ -734,72 +988,162 @@ int nfsmount(const char *spec, const cha
perror(_("nfs bindresvport"));
goto fail;
}
- if (port == 0) {
- server_addr.sin_port = PMAPPORT;
- port = pmap_getport(&server_addr, nfsprog, nfsvers,
- tcp ? IPPROTO_TCP : IPPROTO_UDP);
-#if 1
- /* Here we check to see if user is mounting with the
- * tcp option. If so, and if the portmap returns a
- * '0' for port (service unavailable), we then exit,
- * notifying the user, rather than hanging up mount.
- */
- if (port == 0 && tcp == 1) {
- perror(_("nfs server reported service unavailable"));
- goto fail;
- }
-#endif
-
- if (port == 0)
- port = NFS_PORT;
-#ifdef NFS_MOUNT_DEBUG
- else
- printf(_("used portmapper to find NFS port\n"));
-#endif
- }
#ifdef NFS_MOUNT_DEBUG
- printf(_("using port %d for nfs deamon\n"), port);
+ printf(_("using port %d for nfs deamon\n"), nfs_pmap->pm_port);
#endif
- server_addr.sin_port = htons(port);
+ nfs_saddr->sin_port = htons(nfs_pmap->pm_port);
/*
* connect() the socket for kernels 1.3.10 and below only,
* to avoid problems with multihomed hosts.
* --Swen
*/
if (linux_version_code() <= 66314
- && connect(fsock, (struct sockaddr *) &server_addr,
- sizeof (server_addr)) < 0) {
+ && connect(fsock, (struct sockaddr *) nfs_saddr,
+ sizeof (*nfs_saddr)) < 0) {
perror(_("nfs connect"));
goto fail;
}
+#if NFS_MOUNT_VERSION >= 2
+ if (nfs_pmap->pm_prot == IPPROTO_TCP)
+ data.flags |= NFS_MOUNT_TCP;
+ else
+ data.flags &= ~NFS_MOUNT_TCP;
+#endif
+
/* prepare data structure for kernel */
data.fd = fsock;
- memcpy((char *) &data.addr, (char *) &server_addr, sizeof(data.addr));
+ memcpy((char *) &data.addr, (char *) nfs_saddr, sizeof(data.addr));
strncpy(data.hostname, hostname, sizeof(data.hostname));
- /* clean up */
+ out_ok:
+ /* Ensure we have enough padding for the following strcat()s */
+ if (strlen(new_opts) + strlen(s) + 30 >= sizeof(new_opts)) {
+ fprintf(stderr, _("mount: "
+ "excessively long option argument\n"));
+ goto fail;
+ }
- auth_destroy(mclient->cl_auth);
- clnt_destroy(mclient);
- close(msock);
+ sprintf(cbuf, "addr=%s", s);
+ strcat(new_opts, cbuf);
+
+ *extra_opts = xstrdup(new_opts);
return 0;
/* abort */
-
fail:
- if (msock != -1) {
- if (mclient) {
- auth_destroy(mclient->cl_auth);
- clnt_destroy(mclient);
- }
- close(msock);
- }
if (fsock != -1)
close(fsock);
return retval;
-}
+}
+
+static inline enum clnt_stat
+nfs3_umount(dirpath *argp, CLIENT *clnt)
+{
+ static char clnt_res;
+ memset (&clnt_res, 0, sizeof(clnt_res));
+ return clnt_call(clnt, MOUNTPROC_UMNT,
+ (xdrproc_t) xdr_dirpath, (caddr_t)argp,
+ (xdrproc_t) xdr_void, (caddr_t) &clnt_res,
+ TIMEOUT);
+}
+
+static inline enum clnt_stat
+nfs2_umount(dirpath *argp, CLIENT *clnt)
+{
+ static char clnt_res;
+ memset (&clnt_res, 0, sizeof(clnt_res));
+ return clnt_call(clnt, MOUNTPROC_UMNT,
+ (xdrproc_t) xdr_dirpath, (caddr_t)argp,
+ (xdrproc_t) xdr_void, (caddr_t) &clnt_res,
+ TIMEOUT);
+}
+
+static int
+nfs_call_umount(clnt_addr_t *mnt_server, dirpath *argp)
+{
+ CLIENT *clnt;
+ enum clnt_stat res = 0;
+ int msock;
+
+ clnt = mnt_openclnt(mnt_server, &msock, 1);
+ if (!clnt)
+ goto out_bad;
+ switch (mnt_server->pmap.pm_vers) {
+ case 3:
+ res = nfs3_umount(argp, clnt);
+ break;
+ case 2:
+ case 1:
+ res = nfs2_umount(argp, clnt);
+ break;
+ default:
+ }
+ mnt_closeclnt(clnt, msock);
+ if (res == RPC_SUCCESS)
+ return 1;
+ out_bad:
+ return 0;
+}
+
+int
+nfsumount(const char *spec, const char *opts)
+{
+ char *hostname;
+ char *dirname;
+ clnt_addr_t mnt_server = { &hostname, };
+ struct pmap *pmap = &mnt_server.pmap;
+ char *p;
+
+ nfs_mount_version = find_kernel_nfs_mount_version();
+ if (spec == NULL || (p = strchr(spec,':')) == NULL)
+ goto out_bad;
+ hostname = xstrndup(spec, p-spec);
+ dirname = xstrdup(p+1);
+#ifdef NFS_MOUNT_DEBUG
+ printf(_("host: %s, directory: %s\n"), hostname, dirname);
+#endif
+
+ if (opts && (p = strstr(opts, "addr="))) {
+ char *q;
+
+ free(hostname);
+ p += 5;
+ q = p;
+ while (*q && *q != ',') q++;
+ hostname = xstrndup(p,q-p);
+ }
+
+ if (opts && (p = strstr(opts, "mounthost="))) {
+ char *q;
+
+ free(hostname);
+ p += 10;
+ q = p;
+ while (*q && *q != ',') q++;
+ hostname = xstrndup(p,q-p);
+ }
+
+ pmap->pm_prog = MOUNTPROG;
+ pmap->pm_vers = MOUNTVERS;
+ if (opts && (p = strstr(opts, "mountprog=")) && isdigit(*(p+10)))
+ pmap->pm_prog = atoi(p+10);
+ if (opts && (p = strstr(opts, "mountport=")) && isdigit(*(p+10)))
+ pmap->pm_port = atoi(p+10);
+ if (opts && (p = strstr(opts, "nfsvers=")) && isdigit(*(p+8)))
+ pmap->pm_vers = nfsvers_to_mnt(atoi(p+8));
+ if (opts && (p = strstr(opts, "mountvers=")) && isdigit(*(p+10)))
+ pmap->pm_vers = atoi(p+10);
+
+ if (!nfs_gethostbyname(hostname, &mnt_server.saddr))
+ goto out_bad;
+ if (!probe_mntport(&mnt_server))
+ goto out_bad;
+ return nfs_call_umount(&mnt_server, &dirname);
+ out_bad:
+ return 0;
+}
/*
* We need to translate between nfs status return values and
diff -Naurp old/mount/sundries.h new/mount/sundries.h
--- old/mount/sundries.h 2002-10-31 20:00:50.000000000 -0500
+++ new/mount/sundries.h 2003-12-29 17:26:29.000000000 -0500
@@ -37,6 +37,7 @@ void die (int errcode, const char *fmt,
#ifdef HAVE_NFS
int nfsmount (const char *spec, const char *node, int *flags,
char **orig_opts, char **opt_args, int *version, int running_bg);
+int nfsumount(const char *spec, const char *opts);
#endif
/* exit status - bits below are ORed */
diff -Naurp old/mount/umount.c new/mount/umount.c
--- old/mount/umount.c 2003-12-29 17:21:31.000000000 -0500
+++ new/mount/umount.c 2003-12-29 17:26:29.000000000 -0500
@@ -122,7 +122,7 @@ check_special_umountprog() {
}
#endif
-#ifdef HAVE_NFS
+#if 0
static int xdr_dir(XDR *xdrsp, char *dirp)
{
return (xdr_string(xdrsp, &dirp, MNTPATHLEN));
@@ -265,7 +265,7 @@ umount_one (const char *spec, const char
/* Ignore any RPC errors, so that you can umount the filesystem
if the server is down. */
if (strcasecmp(type, "nfs") == 0)
- nfs_umount_rpc_call(spec, opts);
+ nfsumount(spec, opts);
#endif
umnt_err = umnt_err2 = 0;