X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=utils%2Fmount%2Fstropts.c;h=c4f2326ce9162ef63d08c649be0f7091532ca37e;hp=f856998f569b9201d11f0f0398d3592b7ad95fd4;hb=1d61a1116198714f50b081daecc663625124403d;hpb=1adb0e018f57079c6e95a9bdbf904361354b0527

diff --git a/utils/mount/stropts.c b/utils/mount/stropts.c
index f856998..c4f2326 100644
--- a/utils/mount/stropts.c
+++ b/utils/mount/stropts.c
@@ -49,6 +49,7 @@
 #include "network.h"
 #include "parse_opt.h"
 #include "version.h"
+#include "parse_dev.h"
 
 #ifdef HAVE_RPCSVC_NFS_PROT_H
 #include <rpcsvc/nfs_prot.h>
@@ -94,59 +95,9 @@ struct nfsmount_info {
 	int			flags,		/* MS_ flags */
 				fake,		/* actually do the mount? */
 				child;		/* forked bg child? */
-};
-
-static int nfs_parse_devname(struct nfsmount_info *mi)
-{
-	int ret = 0;
-	char *dev, *pathname, *s;
-
-	dev = xstrdup(mi->spec);
-
-	if (!(pathname = strchr(dev, ':'))) {
-		nfs_error(_("%s: remote share not in 'host:dir' format"),
-				progname);
-		goto out;
-	}
-	*pathname = '\0';
-	pathname++;
-
-	/*
-	 * We don't need a copy of the pathname, but let's
-	 * sanity check it anyway.
-	 */
-	if (strlen(pathname) > NFS_MAXPATHNAME) {
-		nfs_error(_("%s: export pathname is too long"),
-				progname);
-		goto out;
-	}
-
-	/*
-	 * Ignore all but first hostname in replicated mounts
-	 * until they can be fully supported. (mack@sgi.com)
-	 */
-	if ((s = strchr(dev, ','))) {
-		*s = '\0';
-		nfs_error(_("%s: warning: multiple hostnames not supported"),
-				progname);
-		nfs_error(_("%s: ignoring hostnames that follow the first one"),
-				progname);
-	}
-	mi->hostname = xstrdup(dev);
-	if (strlen(mi->hostname) > NFS_MAXHOSTNAME) {
-		nfs_error(_("%s: server hostname is too long"),
-				progname);
-		free(mi->hostname);
-		mi->hostname = NULL;
-		goto out;
-	}
-
-	ret = 1;
 
-out:
-	free(dev);
-	return ret;
-}
+	sa_family_t		family;		/* supported address family */
+};
 
 static int fill_ipv4_sockaddr(const char *hostname, struct sockaddr_in *addr)
 {
@@ -252,48 +203,47 @@ static int nfs_append_addr_option(const struct sockaddr *sap,
  * Returns 1 if 'clientaddr=' option created successfully or if
  * 'clientaddr=' option is already present; otherwise zero.
  */
-static int append_clientaddr_option(struct sockaddr_in *saddr,
-				    struct mount_options *options)
+static int nfs_append_clientaddr_option(const struct sockaddr *sap,
+					socklen_t salen,
+					struct mount_options *options)
 {
-	struct sockaddr_in my_addr;
-	char new_option[32];
+	struct sockaddr_storage dummy;
+	struct sockaddr *my_addr = (struct sockaddr *)&dummy;
+	socklen_t my_len = sizeof(dummy);
 
-	if (po_contains(options, "clientaddr") == PO_SUCCEEDED)
+	if (po_contains(options, "clientaddr") == PO_FOUND)
 		return 1;
 
-	if (!get_client_address(saddr, &my_addr))
-		return 0;
-
-	snprintf(new_option, sizeof(new_option) - 1,
-			"clientaddr=%s", inet_ntoa(my_addr.sin_addr));
+	nfs_callback_address(sap, salen, my_addr, &my_len);
 
-	if (po_append(options, new_option) == PO_SUCCEEDED)
-		return 1;
-	return 0;
+	return nfs_append_generic_address_option(my_addr, my_len,
+							"clientaddr", options);
 }
 
 /*
  * Resolve the 'mounthost=' hostname and append a new option using
- * the resulting IPv4 address.
+ * the resulting address.
  */
-static int fix_mounthost_option(struct mount_options *options)
+static int nfs_fix_mounthost_option(const sa_family_t family,
+				    struct mount_options *options)
 {
-	struct sockaddr_in maddr;
-	char *mounthost, new_option[32];
+	struct sockaddr_storage dummy;
+	struct sockaddr *sap = (struct sockaddr *)&dummy;
+	socklen_t salen = sizeof(dummy);
+	char *mounthost;
 
 	mounthost = po_get(options, "mounthost");
 	if (!mounthost)
 		return 1;
 
-	if (!fill_ipv4_sockaddr(mounthost, &maddr))
+	if (!nfs_name_to_address(mounthost, family, sap, &salen)) {
+		nfs_error(_("%s: unable to determine mount server's address"),
+				progname);
 		return 0;
+	}
 
-	snprintf(new_option, sizeof(new_option) - 1,
-			"mountaddr=%s", inet_ntoa(maddr.sin_addr));
-
-	if (po_append(options, new_option) == PO_SUCCEEDED)
-		return 1;
-	return 0;
+	return nfs_append_generic_address_option(sap, salen,
+							"mountaddr", options);
 }
 
 /*
@@ -333,16 +283,21 @@ static int nfs_append_sloppy_option(struct mount_options *options)
  */
 static int nfs_validate_options(struct nfsmount_info *mi)
 {
-	struct sockaddr_in saddr;
+	struct sockaddr_storage dummy;
+	struct sockaddr *sap = (struct sockaddr *)&dummy;
+	socklen_t salen = sizeof(dummy);
 
-	if (!fill_ipv4_sockaddr(mi->hostname, &saddr))
+	if (!nfs_parse_devname(mi->spec, &mi->hostname, NULL))
+		return 0;
+
+	if (!nfs_name_to_address(mi->hostname, mi->family, sap, &salen))
 		return 0;
 
 	if (strncmp(mi->type, "nfs4", 4) == 0) {
-		if (!append_clientaddr_option(&saddr, mi->options))
+		if (!nfs_append_clientaddr_option(sap, salen, mi->options))
 			return 0;
 	} else {
-		if (!fix_mounthost_option(mi->options))
+		if (!nfs_fix_mounthost_option(mi->family, mi->options))
 			return 0;
 		if (!mi->fake && !verify_lock_option(mi->options))
 			return 0;
@@ -351,8 +306,7 @@ static int nfs_validate_options(struct nfsmount_info *mi)
 	if (!nfs_append_sloppy_option(mi->options))
 		return 0;
 
-	return nfs_append_addr_option((struct sockaddr *)&saddr,
-					sizeof(saddr), mi->options);
+	return nfs_append_addr_option(sap, salen, mi->options);
 }
 
 /*
@@ -802,12 +756,14 @@ int nfsmount_string(const char *spec, const char *node, const char *type,
 		.flags		= flags,
 		.fake		= fake,
 		.child		= child,
+#ifdef IPV6_SUPPORTED
+		.family		= AF_UNSPEC,	/* either IPv4 or v6 */
+#else
+		.family		= AF_INET,	/* only IPv4 */
+#endif
 	};
 	int retval = EX_FAIL;
 
-	if (!nfs_parse_devname(&mi))
-		return retval;
-
 	mi.options = po_split(*extra_opts);
 	if (mi.options) {
 		retval = nfsmount_start(&mi);