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Fix some bugs in the code to get arbitrarily long interface lists.

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Ted Lemon 2000-09-29 18:12:16 +00:00
parent 5b5fcc81df
commit c573b39cfe
1 changed files with 3 additions and 3 deletions
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6
common/discover.c
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@ -43,7 +43,7 @@
#ifndef lint #ifndef lint
static char copyright[] = static char copyright[] =
"$Id: discover.c,v 1.32 2000/09/04 22:27:41 mellon Exp $ Copyright (c) 1995-2000 The Internet Software Consortium. All rights reserved.\n"; "$Id: discover.c,v 1.33 2000/09/29 18:12:16 mellon Exp $ Copyright (c) 1995-2000 The Internet Software Consortium. All rights reserved.\n";
#endif /* not lint */ #endif /* not lint */
#include "dhcpd.h" #include "dhcpd.h"
@ -79,7 +79,7 @@ void discover_interfaces (state)
{ {
struct interface_info *tmp, *ip; struct interface_info *tmp, *ip;
struct interface_info *last, *next; struct interface_info *last, *next;
char buf [512]; char buf [2048];
struct ifconf ic; struct ifconf ic;
struct ifreq ifr; struct ifreq ifr;
int i; int i;
@ -114,9 +114,9 @@ void discover_interfaces (state)
log_fatal ("Can't create addrlist socket"); log_fatal ("Can't create addrlist socket");
/* Get the interface configuration information... */ /* Get the interface configuration information... */
gifconf_again:
ic.ifc_len = sizeof buf; ic.ifc_len = sizeof buf;
ic.ifc_ifcu.ifcu_buf = (caddr_t)buf; ic.ifc_ifcu.ifcu_buf = (caddr_t)buf;
gifconf_again:
i = ioctl(sock, SIOCGIFCONF, &ic); i = ioctl(sock, SIOCGIFCONF, &ic);
if (i < 0) if (i < 0)