add -r flag to make mountd do reverse resolve of ipaddress on the fly

[nfs-utils.git] / utils / mountd / mountd.c

diff --git a/utils/mountd/mountd.c b/utils/mountd/mountd.c
index c1d18d4cebc9b37b1f227d7de33fe1aaf4ccfaaf..ee6afe6167bd18fa1260c7fe7757208c1d897136 100644 (file)
--- a/utils/mountd/mountd.c
+++ b/utils/mountd/mountd.c
@@ -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
@@ -225,14 +226,11 @@ mount_umnt_1_svc(struct svc_req *rqstp, dirpath *argp, void *resp)
        if (!(exp = auth_authenticate("unmount", sin, p))) {
                return 1;
        }
-       if (new_cache) {
-               if (strcmp(inet_ntoa(exp->m_client->m_addrlist[0]), exp->m_client->m_hostname))
-                       mountlist_del(inet_ntoa(exp->m_client->m_addrlist[0]), exp->m_client->m_hostname);
-               mountlist_del(exp->m_client->m_hostname, p);
-       } else {
-               mountlist_del(exp->m_client->m_hostname, p);
+
+       if (!new_cache)
                export_reset (exp);
-       }
+
+       mountlist_del(inet_ntoa(sin->sin_addr), p);
        return 1;
 }
 
@@ -421,8 +419,10 @@ get_rootfh(struct svc_req *rqstp, dirpath *path, mountstat3 *error, int v3)
                fh = cache_get_filehandle(exp, v3?64:32, p);
                if (fh == NULL) 
                        *error = NFSERR_ACCES;
-               else
+               else {
                        *error = NFS_OK;
+                       mountlist_add(inet_ntoa(sin->sin_addr), p);
+               }
                return fh;
        } else {
                struct nfs_fh_len  *fh;
@@ -443,7 +443,7 @@ get_rootfh(struct svc_req *rqstp, dirpath *path, mountstat3 *error, int v3)
                                                stb.st_dev, stb.st_ino);
                }
                if (fh != NULL) {
-                       mountlist_add(exp->m_client->m_hostname, p);
+                       mountlist_add(inet_ntoa(sin->sin_addr), p);
                        *error = NFS_OK;
                        export_reset (exp);
                        return fh;
@@ -558,7 +558,7 @@ main(int argc, char **argv)
 
        /* Parse the command line options and arguments. */
        opterr = 0;
-       while ((c = getopt_long(argc, argv, "o:n:Fd: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);
@@ -598,6 +598,9 @@ 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",