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pppd: Fix use of uninitialized stack variables

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This commit is contained in:
Sebastian Huber
2018-10-23 07:37:11 +02:00
parent b151e8ab7e
commit 1aeb727bd2
1 changed files with 3 additions and 3 deletions
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6
rtemsbsd/pppd/sys-rtems.c
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@@ -880,6 +880,7 @@ sifaddr(
struct ifaliasreq ifra;
struct ifreq ifr;
BZERO(&ifra, sizeof(ifra));
strlcpy(ifra.ifra_name, ifname, sizeof(ifra.ifra_name));
SET_SA_FAMILY(ifra.ifra_addr, AF_INET);
((struct sockaddr_in *) &ifra.ifra_addr)->sin_addr.s_addr = o;
@@ -888,8 +889,7 @@ sifaddr(
if (m != 0) {
SET_SA_FAMILY(ifra.ifra_mask, AF_INET);
((struct sockaddr_in *) &ifra.ifra_mask)->sin_addr.s_addr = m;
} else
BZERO(&ifra.ifra_mask, sizeof(ifra.ifra_mask));
}
BZERO(&ifr, sizeof(ifr));
strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
if (ioctl(sockfd, SIOCDIFADDR, (caddr_t) &ifr) < 0) {
@@ -920,12 +920,12 @@ cifaddr(
struct ifaliasreq ifra;
ifaddrs[0] = 0;
BZERO(&ifra, sizeof(ifra));
strlcpy(ifra.ifra_name, ifname, sizeof(ifra.ifra_name));
SET_SA_FAMILY(ifra.ifra_addr, AF_INET);
((struct sockaddr_in *) &ifra.ifra_addr)->sin_addr.s_addr = o;
SET_SA_FAMILY(ifra.ifra_broadaddr, AF_INET);
((struct sockaddr_in *) &ifra.ifra_broadaddr)->sin_addr.s_addr = h;
BZERO(&ifra.ifra_mask, sizeof(ifra.ifra_mask));
if (ioctl(sockfd, SIOCDIFADDR, (caddr_t) &ifra) < 0) {
if (errno != EADDRNOTAVAIL)
warn("Couldn't delete interface address: %m");