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From: Aron Xu <aron@debian.org>
Date: Mon, 13 Feb 2012 14:45:08 +0800
Subject: get sev by name
---
netcat.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/netcat.c b/netcat.c
index d40e3a5..e0ad5c7 100644
--- a/netcat.c
+++ b/netcat.c
@@ -1193,12 +1193,19 @@ atelnet(int nfd, unsigned char *buf, unsigned int size)
void
build_ports(char *p)
{
+ struct servent *sv;
const char *errstr;
char *n;
int hi, lo, cp;
int x = 0;
- if ((n = strchr(p, '-')) != NULL) {
+ sv = getservbyname(p, uflag ? "udp" : "tcp");
+ if (sv) {
+ portlist[0] = calloc(1, PORT_MAX_LEN);
+ if (portlist[0] == NULL)
+ err(1, NULL);
+ snprintf(portlist[0], PORT_MAX_LEN, "%d", ntohs(sv->s_port));
+ } else if ((n = strchr(p, '-')) != NULL) {
*n = '\0';
n++;
--
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