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Fix support for ncat --vsock -l <port> #2807

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Fix support for ncat --vsock -l <port> #2807

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20 changes: 10 additions & 10 deletions ncat/ncat_main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -857,6 +857,16 @@ int main(int argc, char *argv[])
break;
}
#endif
/* Support ncat -l <port>, but otherwise assume ncat <target> */
if (num_ports == 0 && o.listen) {
rc = strspn(argv[optind], "1234567890");
/* If the last arg is 5 or fewer digits, assume it's a port number */
if (argv[optind][rc] == '\0' && rc <= 5) {
o.portno = parseport(argv[optind], max_port, "port");
num_ports++;
break;
}
}
#if HAVE_LINUX_VM_SOCKETS_H
if (o.af == AF_VSOCK) {
long long_cid;
Expand All @@ -875,16 +885,6 @@ int main(int argc, char *argv[])
break;
}
#endif
/* Support ncat -l <port>, but otherwise assume ncat <target> */
if (num_ports == 0 && o.listen) {
rc = strspn(argv[optind], "1234567890");
/* If the last arg is 5 or fewer digits, assume it's a port number */
if (argv[optind][rc] == '\0' && rc <= 5) {
o.portno = parseport(argv[optind], max_port, "port");
num_ports++;
break;
}
}
o.target = argv[optind];
/* resolve hostname only if o.proxytype == NULL
* targetss contains data already and you don't want remove them
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