X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=utils%2Fmount%2Fnfsumount.c;h=c91bfd2d9958ba41c5519d34f074ae09d20ae704;hb=0a2950956d05f8069cd698e28479cbf14a3bba86;hp=28f42448105d20efcf18a00ab77e330ccc256851;hpb=940c7c304d4a43c00c27529cdddc7c87db6eef87;p=nfs-utils.git

diff --git a/utils/mount/nfsumount.c b/utils/mount/nfsumount.c
index 28f4244..c91bfd2 100644
--- a/utils/mount/nfsumount.c
+++ b/utils/mount/nfsumount.c
@@ -55,24 +55,11 @@ extern int probe_mntport(clnt_addr_t *);
 extern int nfs_gethostbyname(const char *, struct sockaddr_in *);
 
 static inline enum clnt_stat
-nfs3_umount(dirpath *argp, CLIENT *clnt)
+nfs_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,
+			 (xdrproc_t) xdr_void, NULL,
 			 TIMEOUT);
 }
 
@@ -82,54 +69,50 @@ int nfs_call_umount(clnt_addr_t *mnt_server, dirpath *argp)
 	enum clnt_stat res = 0;
 	int msock;
 
-	clnt = mnt_openclnt(mnt_server, &msock);
-	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);
+		if (!probe_mntport(mnt_server))
+			goto out_bad;
+		clnt = mnt_openclnt(mnt_server, &msock);
+		if (!clnt)
+			goto out_bad;
+		res = nfs_umount(argp, clnt);
+		mnt_closeclnt(clnt, msock);
+		if (res == RPC_SUCCESS)
+			return 1;
 		break;
 	default:
+		res = 1;
 		break;
 	}
-	mnt_closeclnt(clnt, msock);
-	if (res == RPC_SUCCESS)
-		return 1;
  out_bad:
-	return 0;
+	return res;
 }
 
-u_int get_mntproto(const char *);
-u_int
-get_mntproto(const char *dirname)
+struct mntentchn *
+getmntentchn(const char *dir)
 {
-	FILE *mtab;
-	struct mntent mntbuf;
-	char tmpbuf[BUFSIZ];
-	u_int proto = IPPROTO_TCP; /* assume tcp */
-
-	 mtab = setmntent ("/proc/mounts", "r");
-	 if (mtab == NULL)
-	 	mtab = setmntent (_PATH_MOUNTED, "r");
-	if (mtab == NULL)
-		return proto;
-
-	while(getmntent_r(mtab, &mntbuf, tmpbuf, sizeof (tmpbuf))) {
-		if (strcmp(mntbuf.mnt_type, "nfs"))
-			continue;
-		if (strcmp(dirname,  mntbuf.mnt_fsname))
+	mntFILE *mfp;
+	nfs_mntent_t *mnt;
+	struct mntentchn *mc = NULL;
+
+	mfp = nfs_setmntent ("/proc/mounts", "r");
+	if (mfp == NULL || mfp->mntent_fp == NULL)
+		return NULL;
+
+	while ((mnt = nfs_getmntent(mfp)) != NULL) {
+		if(strcmp(mnt->mnt_fsname, dir) && strcmp(mnt->mnt_dir, dir))
 			continue;
-		if (hasmntopt(&mntbuf, "udp"))
-			proto = IPPROTO_UDP;
-		break;
+
+		if (!mc)
+			mc = (struct mntentchn *)xmalloc(sizeof(*mc));
+		mc->m = *mnt;
 	}
-	endmntent (mtab);
 
-	return proto;
+	nfs_endmntent(mfp);
+	return mc;
 }
 
 /* complain about a failed umount */
@@ -257,6 +240,7 @@ int _nfsumount(const char *spec, const char *opts)
 	char *hostname;
 	char *dirname;
 	clnt_addr_t mnt_server = { &hostname, };
+	struct mntent mnt = { .mnt_opts = opts };
 	struct pmap *pmap = &mnt_server.pmap;
 	char *p;
 
@@ -290,21 +274,27 @@ int _nfsumount(const char *spec, const char *opts)
 	}
 
 	pmap->pm_prog = MOUNTPROG;
-	pmap->pm_vers = MOUNTVERS;
-	pmap->pm_prot = get_mntproto(spec);
+	pmap->pm_vers = MOUNTVERS_NFSV3;
+	pmap->pm_prot = IPPROTO_TCP;
 	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 && hasmntopt(&mnt, "v2"))
+		pmap->pm_vers = nfsvers_to_mnt(2);
+	if (opts && hasmntopt(&mnt, "v3"))
+		pmap->pm_vers = nfsvers_to_mnt(3);
+	if (opts && hasmntopt(&mnt, "v4"))
+		pmap->pm_vers = nfsvers_to_mnt(4);
+	if (opts && (p = strstr(opts, "vers=")) && isdigit(*(p+5)))
+		pmap->pm_vers = nfsvers_to_mnt(atoi(p+5));
 	if (opts && (p = strstr(opts, "mountvers=")) && isdigit(*(p+10)))
 		pmap->pm_vers = atoi(p+10);
+	if (opts && (hasmntopt(&mnt, "udp") || hasmntopt(&mnt, "proto=udp")))
+		pmap->pm_prot = IPPROTO_UDP;
 
 	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:
 	printf("%s: %s: not found or not mounted\n", progname, spec);
@@ -368,8 +358,15 @@ int nfsumount(int argc, char *argv[])
 			return 0;
 		}
 	}
+	
+	if (spec == NULL || (*spec != '/' && strchr(spec,':') == NULL)) {
+		printf(_("umount: %s: not found\n"), spec);
+		return 0;
+	}
 
-	mc = getmntdirbackward(spec, NULL);
+	mc = getmntentchn(spec);
+	if (!mc)
+		mc = getmntdirbackward(spec, NULL);
 	if (!mc)
 		mc = getmntdevbackward(spec, NULL);
 	if (!mc && verbose)