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T: add -no-bind option to macpdu2wireshark

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To be used when you send data to another host.

On the other host, to avoid ICMP traffic about the port
not being open, do:

./nc -l -u -p 9999 > /dev/null

You need to restart this command each time you run macpdu2wireshark.
You can use any other program that will accept UDP packets on the
port 9999 (default port of macpdu2wireshark, change if you use another
port of course).
This commit is contained in:
Cedric Roux
2019-07-11 15:22:30 +02:00
parent 3c85cd58b4
commit 443b5fd026
1 changed files with 19 additions and 75 deletions
Download Patch File Download Diff File Expand all files Collapse all files
common/utils/T/tracer/macpdu2wireshark.c
+19 -75
View File
@@ -52,6 +52,7 @@ typedef struct {
int max_mib;
int max_sib;
int live;
int no_bind;
/* runtime vars */
int cur_mib;
int cur_sib;
@@ -264,9 +265,11 @@ void *receiver(void *_d) {
abort();
}
if (bind(s, (struct sockaddr *)&d->to, sizeof(struct sockaddr_in)) == -1) {
perror("bind");
abort();
if (d->no_bind == 0) {
if (bind(s, (struct sockaddr *)&d->to, sizeof(struct sockaddr_in)) == -1) {
perror("bind");
abort();
}
}
while (1) {
@@ -290,6 +293,7 @@ void usage(void) {
" -live run live\n"
" -live-ip <IP address> tracee's IP address (default %s)\n"
" -live-port <port> tracee's port (default %d)\n"
" -no-bind don't bind to IP address (for remote logging)\n"
"-i and -live are mutually exclusive options. One of them must be provided\n"
"but not both.\n",
DEFAULT_IP,
@@ -318,78 +322,18 @@ int main(int n, char **v) {
for (i = 1; i < n; i++) {
if (!strcmp(v[i], "-h") || !strcmp(v[i], "--help")) usage();
if (!strcmp(v[i], "-d")) {
if (i > n-2) usage();
database_filename = v[++i];
continue;
}
if (!strcmp(v[i], "-i")) {
if (i > n-2) usage();
input_filename = v[++i];
continue;
}
if (!strcmp(v[i], "-ip")) {
if (i > n-2) usage();
ip = v[++i];
continue;
}
if (!strcmp(v[i], "-p")) {
if(i>n-2)usage();
port=atoi(v[++i]);
continue;
}
if (!strcmp(v[i], "-no-mib")) {
d.no_mib = 1;
continue;
}
if (!strcmp(v[i], "-no-sib")) {
d.no_sib = 1;
continue;
}
if (!strcmp(v[i], "-max-mib")) {
if (i > n-2) usage();
d.max_mib = atoi(v[++i]);
continue;
}
if (!strcmp(v[i], "-max-sib")) {
if (i > n-2) usage();
d.max_sib = atoi(v[++i]);
continue;
}
if (!strcmp(v[i], "-live")) {
live = 1;
continue;
}
if (!strcmp(v[i], "-live-ip")) {
if (i > n-2) usage();
live_ip = v[++i];
continue;
}
if (!strcmp(v[i], "-live-port")) {
if (i > n-2) usage();
live_port = atoi(v[++i]);
continue;
}
if (!strcmp(v[i], "-d")) { if(i>n-2)usage(); database_filename = v[++i]; continue; }
if (!strcmp(v[i], "-i")) { if(i>n-2)usage(); input_filename = v[++i]; continue; }
if (!strcmp(v[i], "-ip")) { if(i>n-2)usage(); ip = v[++i]; continue; }
if (!strcmp(v[i], "-p")) { if(i>n-2)usage(); port = atoi(v[++i]); continue; }
if (!strcmp(v[i], "-no-mib")) { d.no_mib = 1; continue; }
if (!strcmp(v[i], "-no-sib")) { d.no_sib = 1; continue; }
if (!strcmp(v[i], "-max-mib")) { if(i>n-2)usage(); d.max_mib = atoi(v[++i]); continue; }
if (!strcmp(v[i], "-max-sib")) { if(i>n-2)usage(); d.max_sib = atoi(v[++i]); continue; }
if (!strcmp(v[i], "-live")) { live = 1; continue; }
if (!strcmp(v[i], "-live-ip")) { if(i>n-2)usage(); live_ip = v[++i]; continue; }
if (!strcmp(v[i], "-live-port")) { if(i>n-2)usage(); live_port = atoi(v[++i]); continue; }
if (!strcmp(v[i], "-no-bind")) { d.no_bind = 1; continue; }
usage();
}