Date: Sun, 26 Nov 2000 15:08:32 -0800 From: Kris Kennaway <kris@citusc.usc.edu> To: audit@FreeBSD.org Subject: format_ip_addr() in libatm Message-ID: <20001126150832.A40399@citusc17.usc.edu>
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*sigh* Why is it so hard to understand that DNS addresses can be up to
255 bytes long?
Reviews please.
Kris
Index: ip_addr.c
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RCS file: /mnt/ncvs/src/lib/libatm/ip_addr.c,v
retrieving revision 1.3
diff -u -r1.3 ip_addr.c
--- ip_addr.c 1999/08/27 23:58:04 1.3
+++ ip_addr.c 2000/11/26 22:58:37
@@ -124,7 +124,7 @@
format_ip_addr(addr)
struct in_addr *addr;
{
- static char host_name[128];
+ static char host_name[MAXHOSTNAMELEN + 18];
char *ip_num;
struct hostent *ip_host;
=20
@@ -154,10 +154,8 @@
/*
* Return host name followed by dotted decimal address
*/
- strcpy(host_name, ip_host->h_name);
- strcat(host_name, " (");
- strcat(host_name, ip_num);
- strcat(host_name, ")");
+ snprintf(host_name, sizeof(host_name), "%s (%s)",
+ ip_host->h_name, ip_num);
return(host_name);
} else {
/*
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