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PR/4145: Dave Huang: pppd unable to change interface addr when demand dialing

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w/unspecified local address
This commit is contained in:
christos 1997-09-30 16:45:16 +00:00
parent 52f4c73570
commit 16848faf66
1 changed files with 9 additions and 2 deletions
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11
usr.sbin/pppd/pppd/sys-bsd.c
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@ -1,4 +1,4 @@
/* $NetBSD: sys-bsd.c,v 1.22 1997/09/29 19:05:53 christos Exp $ */
/* $NetBSD: sys-bsd.c,v 1.23 1997/09/30 16:45:16 christos Exp $ */
/*
* sys-bsd.c - System-dependent procedures for setting up
@ -27,7 +27,7 @@
#if 0
static char rcsid[] = "Id: sys-bsd.c,v 1.28 1997/04/30 05:57:46 paulus Exp ";
#else
__RCSID("$NetBSD: sys-bsd.c,v 1.22 1997/09/29 19:05:53 christos Exp $");
__RCSID("$NetBSD: sys-bsd.c,v 1.23 1997/09/30 16:45:16 christos Exp $");
#endif
#endif
@ -962,6 +962,7 @@ sifaddr(u, o, h, m)
u_int32_t o, h, m;
{
struct ifaliasreq ifra;
struct ifreq ifr;
strncpy(ifra.ifra_name, ifname, sizeof(ifra.ifra_name));
SET_SA_FAMILY(ifra.ifra_addr, AF_INET);
@ -973,6 +974,12 @@ sifaddr(u, o, h, m)
((struct sockaddr_in *) &ifra.ifra_mask)->sin_addr.s_addr = m;
} else
BZERO(&ifra.ifra_mask, sizeof(ifra.ifra_mask));
BZERO(&ifr, sizeof(ifr));
strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
if (ioctl(sockfd, SIOCDIFADDR, (caddr_t) &ifr) < 0) {
if (errno != EADDRNOTAVAIL)
syslog(LOG_WARNING, "Couldn't remove interface address: %m");
}
if (ioctl(sockfd, SIOCAIFADDR, (caddr_t) &ifra) < 0) {
if (errno != EEXIST) {
syslog(LOG_ERR, "Couldn't set interface address: %m");