X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=utils%2Fmount%2Fnetwork.c;h=72f4b845da4bf6f578eeb2cadd30fa0c31812621;hp=91a005cc9fc5cac052a5876d79dc8d041048ecf5;hb=c062f45deebc20dae5eb8cdb50fb03fb1c252b47;hpb=ff4f8ea366103d9b82cd2d9f8ced2426215d62b4

diff --git a/utils/mount/network.c b/utils/mount/network.c
index 91a005c..72f4b84 100644
--- a/utils/mount/network.c
+++ b/utils/mount/network.c
@@ -291,7 +291,7 @@ int nfs_name_to_address(const char *hostname,
 	}
 
 	memcpy(&sin->sin_addr, hp->h_addr, hp->h_length);
-	*salen = hp->h_length;
+	*salen = sizeof(struct sockaddr_in);
 	return 1;
 }
 #endif	/* HAVE_DECL_AI_ADDRCONFIG */
@@ -546,8 +546,9 @@ static void nfs_pp_debug(const struct sockaddr *sap, const socklen_t salen,
 		strcat(buf, "unknown host");
 	}
 
-	fprintf(stderr, _("%s: trying %s prog %ld vers %ld prot %s port %d\n"),
-			progname, buf, program, version,
+	fprintf(stderr, _("%s: trying %s prog %lu vers %lu prot %s port %d\n"),
+			progname, buf, (unsigned long)program,
+			(unsigned long)version,
 			(protocol == IPPROTO_UDP ? _("UDP") : _("TCP")),
 			port);
 }
@@ -837,6 +838,59 @@ int start_statd(void)
 	return 0;
 }
 
+/**
+ * nfs_advise_umount - ask the server to remove a share from it's rmtab
+ * @sap: pointer to IP address of server to call
+ * @salen: length of server address
+ * @pmap: partially filled-in mountd RPC service tuple
+ * @argp: directory path of share to "unmount"
+ *
+ * Returns one if the unmount call succeeded; zero if the unmount
+ * failed for any reason;  rpccreateerr.cf_stat is set to reflect
+ * the nature of the error.
+ *
+ * We use a fast timeout since this call is advisory only.
+ */
+int nfs_advise_umount(const struct sockaddr *sap, const socklen_t salen,
+		      const struct pmap *pmap, const dirpath *argp)
+{
+	struct sockaddr_storage address;
+	struct sockaddr *saddr = (struct sockaddr *)&address;
+	struct pmap mnt_pmap = *pmap;
+	struct timeval timeout = {
+		.tv_sec		= MOUNT_TIMEOUT >> 3,
+	};
+	CLIENT *client;
+	enum clnt_stat res = 0;
+
+	if (nfs_probe_mntport(sap, salen, &mnt_pmap) == 0)
+		return 0;
+
+	memcpy(saddr, sap, salen);
+	nfs_set_port(saddr, mnt_pmap.pm_port);
+
+	client = nfs_get_priv_rpcclient(saddr, salen, mnt_pmap.pm_prot,
+					mnt_pmap.pm_prog, mnt_pmap.pm_vers,
+					&timeout);
+	if (client == NULL)
+		return 0;
+
+	client->cl_auth = authunix_create_default();
+
+	res = CLNT_CALL(client, MOUNTPROC_UMNT,
+			(xdrproc_t)xdr_dirpath, (caddr_t)argp,
+			(xdrproc_t)xdr_void, NULL,
+			timeout);
+
+	auth_destroy(client->cl_auth);
+	CLNT_DESTROY(client);
+
+	if (res != RPC_SUCCESS)
+		return 0;
+
+	return 1;
+}
+
 /**
  * nfs_call_umount - ask the server to remove a share from it's rmtab
  * @mnt_server: address of RPC MNT program server
@@ -1168,16 +1222,16 @@ static rpcvers_t nfs_nfs_version(struct mount_options *options)
 	long tmp;
 
 	switch (po_rightmost(options, nfs_version_opttbl)) {
-	case 1:	/* v2 */
+	case 0:	/* v2 */
 		return 2;
-	case 2: /* v3 */
+	case 1: /* v3 */
 		return 3;
-	case 3:	/* vers */
+	case 2:	/* vers */
 		if (po_get_numeric(options, "vers", &tmp) == PO_FOUND)
 			if (tmp >= 2 && tmp <= 3)
 				return tmp;
 		break;
-	case 4: /* nfsvers */
+	case 3: /* nfsvers */
 		if (po_get_numeric(options, "nfsvers", &tmp) == PO_FOUND)
 			if (tmp >= 2 && tmp <= 3)
 				return tmp;
@@ -1198,11 +1252,9 @@ static unsigned short nfs_nfs_protocol(struct mount_options *options)
 	char *option;
 
 	switch (po_rightmost(options, nfs_transport_opttbl)) {
-	case 1:	/* udp */
-		return IPPROTO_UDP;
-	case 2: /* tcp */
+	case 1: /* tcp */
 		return IPPROTO_TCP;
-	case 3: /* proto */
+	case 2: /* proto */
 		option = po_get(options, "proto");
 		if (option) {
 			if (strcmp(option, "tcp") == 0)
@@ -1211,6 +1263,7 @@ static unsigned short nfs_nfs_protocol(struct mount_options *options)
 				return IPPROTO_UDP;
 		}
 	}
+
 	return IPPROTO_UDP;
 }
 
@@ -1284,7 +1337,7 @@ static unsigned short nfs_mount_protocol(struct mount_options *options)
 			return IPPROTO_UDP;
 	}
 
-	return nfs_nfs_version(options);
+	return nfs_nfs_protocol(options);
 }
 
 /*