X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=utils%2Fmount%2Fnfsumount.c;h=fd4194faf6d196e1e572e53beeadf29a50dec718;hp=aa68deeb83b2c9e32a8c0a91b317a24647c0b93a;hb=f5bab6c03c5205ef9d062f167cc30060f90fedc4;hpb=5835b1eec5a1f1e463c0762c510c6643fa2bff62

diff --git a/utils/mount/nfsumount.c b/utils/mount/nfsumount.c
index aa68dee..fd4194f 100644
--- a/utils/mount/nfsumount.c
+++ b/utils/mount/nfsumount.c
@@ -53,44 +53,7 @@ int force;
 int lazy;
 int remount;
 
-static inline enum clnt_stat
-nfs_umount(dirpath *argp, CLIENT *clnt)
-{
-	return clnt_call(clnt, MOUNTPROC_UMNT,
-			 (xdrproc_t) xdr_dirpath, (caddr_t)argp,
-			 (xdrproc_t) xdr_void, NULL,
-			 TIMEOUT);
-}
-
-int nfs_call_umount(clnt_addr_t *mnt_server, dirpath *argp)
-{
-	CLIENT *clnt;
-	enum clnt_stat res = 0;
-	int msock;
-
-	switch (mnt_server->pmap.pm_vers) {
-	case 3:
-	case 2:
-	case 1:
-		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;
-	}
- out_bad:
-	return res;
-}
-
-int del_mtab(const char *spec, const char *node)
+static int del_mtab(const char *spec, const char *node)
 {
 	int umnt_err, res;
 
@@ -158,10 +121,7 @@ int del_mtab(const char *spec, const char *node)
         return EX_FILEIO;
 }
 
-/*
- * Returns 1 if everything went well, else 0.
- */
-int _nfsumount(const char *spec, char *opts)
+static int do_nfs_umount(const char *spec, char *opts)
 {
 	char *hostname;
 	char *dirname;
@@ -170,10 +130,20 @@ int _nfsumount(const char *spec, char *opts)
 	struct pmap *pmap = &mnt_server.pmap;
 	char *p;
 
-	if (spec == NULL || (p = strchr(spec,':')) == NULL)
-		goto out_bad;
-	hostname = xstrndup(spec, p-spec);
-	dirname = xstrdup(p+1);
+	if (spec == NULL) {
+		nfs_error(_("%s: No NFS export name was provided"),
+				progname);
+		return EX_USAGE;
+	}
+	
+	p = strchr(spec, ':');
+	if (p == NULL) {
+		nfs_error(_("%s: '%s' is not a legal NFS export name"),
+				progname, spec);
+		return EX_USAGE;
+	}
+	hostname = xstrndup(spec, p - spec);
+	dirname = xstrdup(p + 1);
 #ifdef NFS_MOUNT_DEBUG
 	printf(_("host: %s, directory: %s\n"), hostname, dirname);
 #endif
@@ -200,7 +170,6 @@ int _nfsumount(const char *spec, char *opts)
 
 	pmap->pm_prog = MOUNTPROG;
 	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)))
@@ -218,11 +187,18 @@ int _nfsumount(const char *spec, char *opts)
 	if (opts && (hasmntopt(&mnt, "udp") || hasmntopt(&mnt, "proto=udp")))
 		pmap->pm_prot = IPPROTO_UDP;
 
-	if (!nfs_gethostbyname(hostname, &mnt_server.saddr))
-		goto out_bad;
-	return nfs_call_umount(&mnt_server, &dirname);
- out_bad:
-	nfs_error(_("%s: %s: not found or not mounted"), progname, spec);
+	if (!nfs_gethostbyname(hostname, &mnt_server.saddr)) {
+		nfs_error(_("%s: '%s' does not contain a recognized hostname"),
+				progname, spec);
+		return EX_USAGE;
+	}
+
+	if (!nfs_call_umount(&mnt_server, &dirname)) {
+		nfs_error(_("%s: Server failed to unmount '%s'"),
+				progname, spec);
+		return EX_USAGE;
+	}
+
 	return 0;
 }
 
@@ -236,7 +212,7 @@ static struct option umount_longopts[] =
   { NULL, 0, 0, 0 }
 };
 
-void umount_usage(void)
+static void umount_usage(void)
 {
 	printf("usage: %s dir [-fvnrlh]\n", progname);
 	printf("options:\n\t-f\t\tforce unmount\n");
@@ -253,6 +229,11 @@ int nfsumount(int argc, char *argv[])
 	char *spec;
 	struct mntentchn *mc;
 
+	if (argc < 2) {
+		umount_usage();
+		return EX_USAGE;
+	}
+
 	spec = argv[1];
 
 	argv += 1;
@@ -281,17 +262,17 @@ int nfsumount(int argc, char *argv[])
 		case 'h':
 		default:
 			umount_usage();
-			return 0;
+			return EX_USAGE;
 		}
 	}
 	if (optind != argc) {
 		umount_usage();
-		return 0;
+		return EX_USAGE;
 	}
 	
 	if (spec == NULL || (*spec != '/' && strchr(spec,':') == NULL)) {
-		printf(_("umount: %s: not found\n"), spec);
-		return 0;
+		nfs_error(_("%s: %s: not found\n"), progname, spec);
+		return EX_USAGE;
 	}
 
 	if (*spec == '/')
@@ -319,7 +300,7 @@ int nfsumount(int argc, char *argv[])
 		only_root:
 			nfs_error(_("%s: You are not permitted to unmount %s"),
 					progname, spec);
-			return 0;
+			return EX_USAGE;
 		}
 		if (hasmntopt(&mc->m, "users") == NULL) {
 			char *opt = hasmntopt(&mc->m, "user");
@@ -345,11 +326,11 @@ int nfsumount(int argc, char *argv[])
 	ret = 0;
 	if (mc) {
 		if (!lazy)
-			_nfsumount(mc->m.mnt_fsname, mc->m.mnt_opts);
+			do_nfs_umount(mc->m.mnt_fsname, mc->m.mnt_opts);
 		ret = del_mtab(mc->m.mnt_fsname, mc->m.mnt_dir);
 	} else if (*spec != '/') {
 		if (!lazy)
-			_nfsumount(spec, "tcp,v3");
+			do_nfs_umount(spec, "tcp,v3");
 	} else
 		ret = del_mtab(NULL, spec);