treat N.N.N.N as a special case of MCL_SUBNETWORK instead of

[nfs-utils.git] / support / export / client.c

diff --git a/support/export/client.c b/support/export/client.c
index 3884795c0f58e12147ec443947753ad620c9961c..57176d880077a53e40b0e27532643ecd7b4e2620 100644 (file)
--- a/support/export/client.c
+++ b/support/export/client.c
@@ -138,7 +138,9 @@ client_init(nfs_client *clp, const char *hname, struct hostent *hp)
 
        if (clp->m_type == MCL_SUBNETWORK) {
                char    *cp = strchr(clp->m_hostname, '/');
+               static char slash32[] = "/32";
 
+               if(!cp) cp = slash32;
                *cp = '\0';
                clp->m_addrlist[0].s_addr = inet_addr(clp->m_hostname);
                if (strchr(cp + 1, '.')) {
@@ -443,5 +445,12 @@ client_gettype(char *ident)
                if (*sp == '\\' && sp[1])
                        sp++;
        }
-       return MCL_FQDN;
+       /* check for N.N.N.N */
+       sp = ident;
+       if(!isdigit(*sp) || strtoul(sp, &sp, 10) > 255 || *sp != '.') return MCL_FQDN;
+       sp++; if(!isdigit(*sp) || strtoul(sp, &sp, 10) > 255 || *sp != '.') return MCL_FQDN;
+       sp++; if(!isdigit(*sp) || strtoul(sp, &sp, 10) > 255 || *sp != '.') return MCL_FQDN;
+       sp++; if(!isdigit(*sp) || strtoul(sp, &sp, 10) > 255 || *sp != '\0') return MCL_FQDN;
+       /* we lie here a bit. but technically N.N.N.N == N.N.N.N/32 :) */
+       return MCL_SUBNETWORK;
 }