X-Git-Url: http://git.marmaro.de/?a=blobdiff_plain;f=zotnet%2Fmts%2Fclient.c;h=009595901fb9a5feaf0346381cd2b8fd78225deb;hb=278a48ef53b5dde10d7c88f67f51ce15ad11c0c0;hp=6d86057831c43e05901db9b8434b8c9639215333;hpb=1691e80890e5d8ba258c51c214a3e91880e1db2b;p=mmh

diff --git a/zotnet/mts/client.c b/zotnet/mts/client.c
index 6d86057..0095959 100644
--- a/zotnet/mts/client.c
+++ b/zotnet/mts/client.c
@@ -35,8 +35,6 @@
 #define	MAXNETS      5
 #define	MAXHOSTS    25
 
-extern int errno;
-
 struct addrent {
     int a_addrtype;		/* assumes AF_INET for inet_netof () */
     union {
@@ -63,7 +61,7 @@ char krb_realm[REALM_SZ];
 char *PrincipalHostname();
 #endif /* KPOP */
 
-#if defined(BIND) && !defined(h_addr)
+#if !defined(h_addr)
 # define h_addr h_addr_list[0]
 #endif
 
@@ -94,7 +92,7 @@ client (char *args, char *protocol, char *service, int rproto,
     char *arguments[MAXARGS];
     register struct hostent *hp;
     register struct servent *sp;
-#ifndef	BIND
+#ifndef	HAVE_GETHOSTBYNAME
     register struct netent *np;
 #endif
 
@@ -145,9 +143,18 @@ client (char *args, char *protocol, char *service, int rproto,
 
     for (ap = arguments; *ap; ap++) {
 	if (**ap == '\01') {
-#ifndef	BIND
+/*
+ * the assumption here is that if the system doesn't have a
+ * gethostbyname() function, it must not use DNS. So we need to look
+ * into the /etc/hosts using gethostent(). There probablly aren't any
+ * systems still like this, but you never know. On every system I have
+ * access to, this section is ignored.
+ */
+#ifndef	HAVE_GETHOSTBYNAME
 	    if ((np = getnetbyname (*ap + 1))) {
+#ifdef HAVE_SETHOSTENT
 		sethostent (1);
+#endif /* HAVE_SETHOSTENT */
 		while ((hp = gethostent()))
 		    if (np->n_addrtype == hp->h_addrtype
 			    && inet (hp, np->n_net)) {
@@ -165,7 +172,7 @@ client (char *args, char *protocol, char *service, int rproto,
 			break;
 		    }
 	    }
-#endif
+#endif /* don't HAVE_GETHOSTBYNAME */
 	    continue;
 	}
 
@@ -201,6 +208,7 @@ rcaux (struct servent *sp, struct hostent *hp, int rproto,
 
 #ifdef KPOP
     int rem;
+    struct hostent *hp2;
 #endif	/* KPOP */
 
     for (ap = nets; ap < n1; ap++)
@@ -249,7 +257,11 @@ rcaux (struct servent *sp, struct hostent *hp, int rproto,
     if (kservice) {	/* "pop" */
 	char *instance;
 
-	if ((instance = strdup (hp->h_name)) == NULL) {
+	if (( hp2 = gethostbyaddr( hp->h_addr, hp->h_length, hp->h_addrtype ))
+		== NULL ) {
+	    return NOTOK;
+	}
+	if ((instance = strdup (hp2->h_name)) == NULL) {
 	    close (sd);
 	    strncpy (response, "Out of memory.", len_response);
 	    return OOPS2;