When mountd gets a request to export a mountpoint which is not

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

diff --git a/utils/mountd/cache.c b/utils/mountd/cache.c
index 15100d499e91edb442130d0afc1123108ce88e5a..fd317cdc40fc16c9744de0dded6b84442c001d6e 100644 (file)
--- a/utils/mountd/cache.c
+++ b/utils/mountd/cache.c
@@ -61,6 +61,7 @@ int cache_export_ent(char *domain, struct exportent *exp, char *p);
 
 char *lbuf  = NULL;
 int lbuflen = 0;
+extern int use_ipaddr;
 
 void auth_unix_ip(FILE *f)
 {
@@ -74,8 +75,9 @@ void auth_unix_ip(FILE *f)
        char *cp;
        char class[20];
        char ipaddr[20];
-       char *client;
+       char *client = NULL;
        struct in_addr addr;
+       struct hostent *he = NULL;
        if (readline(fileno(f), &lbuf, &lbuflen) != 1)
                return;
 
@@ -94,18 +96,22 @@ void auth_unix_ip(FILE *f)
        auth_reload();
 
        /* addr is a valid, interesting address, find the domain name... */
-       client = client_compose(addr);
-
+       if (!use_ipaddr) {
+               he = client_resolve(addr);
+               client = client_compose(he);
+       }
        
        qword_print(f, "nfsd");
        qword_print(f, ipaddr);
        qword_printint(f, time(0)+30*60);
-       if (client)
+       if (use_ipaddr)
+               qword_print(f, ipaddr);
+       else if (client)
                qword_print(f, *client?client:"DEFAULT");
        qword_eol(f);
 
        if (client) free(client);
-       
+       free(he);
 }
 
 void auth_unix_gid(FILE *f)
@@ -264,6 +270,8 @@ void nfsd_fh(FILE *f)
        unsigned int fsidnum=0;
        char fsid[32];
        struct exportent *found = NULL;
+       struct hostent *he = NULL;
+       struct in_addr addr;
        char *found_path = NULL;
        nfs_export *exp;
        int i;
@@ -389,7 +397,7 @@ void nfsd_fh(FILE *f)
                                next_exp = exp->m_next;
                        }
 
-                       if (!client_member(dom, exp->m_client->m_hostname))
+                       if (!use_ipaddr && !client_member(dom, exp->m_client->m_hostname))
                                continue;
                        if (exp->m_export.e_mountpoint &&
                            !is_mountpoint(exp->m_export.e_mountpoint[0]?
@@ -441,10 +449,21 @@ void nfsd_fh(FILE *f)
                                continue;
 #endif
                        }
+                       if (use_ipaddr) {
+                               if (he == NULL) {
+                                       if (!inet_aton(dom, &addr))
+                                               goto out;
+                                       he = client_resolve(addr);
+                               }
+                               if (!client_check(exp->m_client, he))
+                                       continue;
+                       }
                        /* It's a match !! */
                        if (!found) {
                                found = &exp->m_export;
                                found_path = strdup(path);
+                               if (found_path == NULL)
+                                       goto out;
                        } else if (strcmp(found->e_path, exp->m_export.e_path)!= 0)
                        {
                                xlog(L_WARNING, "%s and %s have same filehandle for %s, using first",
@@ -489,9 +508,11 @@ void nfsd_fh(FILE *f)
         */
        qword_printint(f, 0x7fffffff);
        if (found)
-               qword_print(f, found->e_path);
+               qword_print(f, found_path);
        qword_eol(f);
  out:
+       free(found_path);
+       free(he);
        free(dom);
        return;         
 }
@@ -579,6 +600,8 @@ void nfsd_export(FILE *f)
        char *dom, *path;
        nfs_export *exp, *found = NULL;
        int found_type = 0;
+       struct in_addr addr;
+       struct hostent *he = NULL;
 
 
        if (readline(fileno(f), &lbuf, &lbuflen) != 1)
@@ -601,7 +624,7 @@ void nfsd_export(FILE *f)
        /* now find flags for this export point in this domain */
        for (i=0 ; i < MCL_MAXTYPES; i++) {
                for (exp = exportlist[i]; exp; exp = exp->m_next) {
-                       if (!client_member(dom, exp->m_client->m_hostname))
+                       if (!use_ipaddr && !client_member(dom, exp->m_client->m_hostname))
                                continue;
                        if (exp->m_export.e_flags & NFSEXP_CROSSMOUNT) {
                                /* if path is a mountpoint below e_path, then OK */
@@ -615,6 +638,15 @@ void nfsd_export(FILE *f)
                                        continue;
                        } else if (strcmp(path, exp->m_export.e_path) != 0)
                                continue;
+                       if (use_ipaddr) {
+                               if (he == NULL) {
+                                       if (!inet_aton(dom, &addr))
+                                               goto out;
+                                       he = client_resolve(addr);
+                               }
+                               if (!client_check(exp->m_client, he))
+                                       continue;
+                       }
                        if (!found) {
                                found = exp;
                                found_type = i;
@@ -656,6 +688,7 @@ void nfsd_export(FILE *f)
  out:
        if (dom) free(dom);
        if (path) free(path);
+       if (he) free(he);
 }