X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=utils%2Fmountd%2Fmountd.c;h=72332ce7772ad559519516293b5dedcec47b3349;hp=e151fa2246eee9c390a0aee88996be0a3b85b808;hb=8fd9fad1ea4b25b8962d70133f476650ef0637b0;hpb=9e1aa7b9a04776bd43eb75bef50a53f41e17b813

diff --git a/utils/mountd/mountd.c b/utils/mountd/mountd.c
index e151fa2..72332ce 100644
--- a/utils/mountd/mountd.c
+++ b/utils/mountd/mountd.c
@@ -29,7 +29,7 @@
 
 extern void	cache_open(void);
 extern struct nfs_fh_len *cache_get_filehandle(nfs_export *exp, int len, char *p);
-extern void cache_export(nfs_export *exp);
+extern int cache_export(nfs_export *exp);
 
 extern void my_svc_run(void);
 
@@ -37,6 +37,7 @@ static void		usage(const char *, int exitcode);
 static exports		get_exportlist(void);
 static struct nfs_fh_len *get_rootfh(struct svc_req *, dirpath *, mountstat3 *, int v3);
 
+int reverse_resolve = 0;
 int new_cache = 0;
 
 /* PRC: a high-availability callout program can be specified with -H
@@ -66,6 +67,7 @@ static struct option longopts[] =
 	{ "ha-callout", 1, 0, 'H' },
 	{ "state-directory-path", 1, 0, 's' },
 	{ "num-threads", 1, 0, 't' },
+	{ "reverse-lookup", 0, 0, 'r' },
 	{ NULL, 0, 0, 0 }
 };
 
@@ -414,7 +416,10 @@ get_rootfh(struct svc_req *rqstp, dirpath *path, mountstat3 *error, int v3)
 		 */
 		struct nfs_fh_len  *fh;
 
-		cache_export(exp);
+		if (cache_export(exp)) {
+			*error = NFSERR_ACCES;
+			return NULL;
+		}
 		fh = cache_get_filehandle(exp, v3?64:32, p);
 		if (fh == NULL) 
 			*error = NFSERR_ACCES;
@@ -557,7 +562,7 @@ main(int argc, char **argv)
 
 	/* Parse the command line options and arguments. */
 	opterr = 0;
-	while ((c = getopt_long(argc, argv, "o:nFd:f:p:P:hH:N:V:vs:t:", longopts, NULL)) != EOF)
+	while ((c = getopt_long(argc, argv, "o:nFd:f:p:P:hH:N:V:vrs:t:", longopts, NULL)) != EOF)
 		switch (c) {
 		case 'o':
 			descriptors = atoi(optarg);
@@ -597,6 +602,9 @@ main(int argc, char **argv)
 		case 'n':
 			_rpcfdtype = SOCK_DGRAM;
 			break;
+		case 'r':
+			reverse_resolve = 1;
+			break;
 		case 's':
 			if ((state_dir = xstrdup(optarg)) == NULL) {
 				fprintf(stderr, "%s: xstrdup(%s) failed!\n",