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diff -u portmap_5beta/pmap_check.c portmap_5beta_elros/pmap_check.c
--- portmap_5beta/pmap_check.c 1996-07-07 10:49:10.000000000 +0200
+++ portmap_5beta_elros/pmap_check.c 2004-09-24 01:56:47.000000000 +0200
@@ -63,6 +63,7 @@
static void logit();
static void toggle_verboselog();
int verboselog = 0;
+int listenonlyloopback = 0;
int allow_severity = LOG_INFO;
int deny_severity = LOG_WARNING;
diff -u portmap_5beta/pmap_check.h portmap_5beta_elros/pmap_check.h
--- portmap_5beta/pmap_check.h 1996-07-06 23:06:23.000000000 +0200
+++ portmap_5beta_elros/pmap_check.h 2004-09-24 01:55:24.000000000 +0200
@@ -7,6 +7,7 @@
extern int check_privileged_port();
extern int check_callit();
extern int verboselog;
+extern int listenonlyloopback;
extern int allow_severity;
extern int deny_severity;
diff -u portmap_5beta/portmap.c portmap_5beta_elros/portmap.c
--- portmap_5beta/portmap.c 1996-07-06 23:06:24.000000000 +0200
+++ portmap_5beta_elros/portmap.c 2004-09-24 01:49:47.000000000 +0200
@@ -158,7 +158,7 @@
int len = sizeof(struct sockaddr_in);
register struct pmaplist *pml;
- while ((c = getopt(argc, argv, "dv")) != EOF) {
+ while ((c = getopt(argc, argv, "dvl")) != EOF) {
switch (c) {
case 'd':
@@ -169,10 +169,15 @@
verboselog = 1;
break;
+ case 'l':
+ listenonlyloopback = 1;
+ break;
+
default:
- (void) fprintf(stderr, "usage: %s [-dv]\n", argv[0]);
+ (void) fprintf(stderr, "usage: %s [-dvl]\n", argv[0]);
(void) fprintf(stderr, "-d: debugging mode\n");
(void) fprintf(stderr, "-v: verbose logging\n");
+ (void) fprintf(stderr, "-l: listen only on loopback address (not on external address)\n");
exit(1);
}
}
@@ -201,6 +206,11 @@
addr.sin_addr.s_addr = 0;
addr.sin_family = AF_INET;
addr.sin_port = htons(PMAPPORT);
+
+ if (listenonlyloopback) {
+ addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+ }
+
if (bind(sock, (struct sockaddr *)&addr, len) != 0) {
syslog(LOG_ERR, "cannot bind udp: %m");
exit(1);
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