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Listen on loopback only with the -l option
patch by Mike Frysinger
--- a/mbmon.c
+++ b/mbmon.c
@@ -41,4 +41,5 @@
static const char *MyName = "mbmon";
int port = 0;
+uint32_t listen_addr = INADDR_ANY;
int usage(void)
@@ -61,4 +62,5 @@
" -c count: repeat <count> times and exit\n"
" -P port: run in daemon mode, using given port for clients\n"
+" -l: listen on local interface only\n"
" -T|F [1-7]: print Temperature|Fanspeed according to following styles\n"
" style1: data1\\n\n"
@@ -318,5 +320,5 @@
while ((ch = getopt(argc,argv,"VSIAfdDYe:p:s:c:T:F:tunNirh")) != -1) {
#else
- while ((ch = getopt(argc,argv,"VSIAfdDYe:p:c:T:F:tunNirhP:")) != -1) {
+ while ((ch = getopt(argc,argv,"VSIAfdDYe:p:c:T:F:tunNirhlP:")) != -1) {
#endif
switch(ch) {
@@ -371,4 +373,7 @@
probe_request = optarg;
break;
+ case 'l':
+ listen_addr = INADDR_LOOPBACK;
+ break;
case 'P':
port = atoi (optarg);
@@ -458,5 +463,5 @@
server.sin_family = AF_INET;
server.sin_port = htons (port);
- server.sin_addr.s_addr = INADDR_ANY;
+ server.sin_addr.s_addr = htonl(listen_addr);
if (bind (fd, (struct sockaddr *) &server, sizeof (server)) < 0) {
perror("bind");
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