ifr.ifr_ifindex = dev->ifindex;
else
ifr.ifr_data = data;
- strncpy(ifr.ifr_name, bridge, sizeof(ifr.ifr_name));
+ strncpy(ifr.ifr_name, bridge, sizeof(ifr.ifr_name) - 1);
return ioctl(sock_ioctl, cmd, &ifr);
}
int system_if_resolve(struct device *dev)
{
struct ifreq ifr;
- strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name));
+ strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name) - 1);
if (!ioctl(sock_ioctl, SIOCGIFINDEX, &ifr))
return ifr.ifr_ifindex;
else
struct ifreq ifr;
memset(&ifr, 0, sizeof(ifr));
- strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
- ioctl(sock_ioctl, SIOCGIFFLAGS, &ifr);
+ strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name) - 1);
+ if (ioctl(sock_ioctl, SIOCGIFFLAGS, &ifr) < 0)
+ return -1;
+
ifr.ifr_flags |= add;
ifr.ifr_flags &= ~rem;
return ioctl(sock_ioctl, SIOCSIFFLAGS, &ifr);
.u.name_type = VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD,
};
- ioctl(sock_ioctl, SIOCSIFVLAN, &ifr);
+ if (ioctl(sock_ioctl, SIOCSIFVLAN, &ifr) < 0)
+ return -1;
if (id < 0) {
ifr.cmd = DEL_VLAN_CMD;
char buf[10];
memset(&ifr, 0, sizeof(ifr));
- strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name));
+ strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name) - 1);
if (ioctl(sock_ioctl, SIOCGIFMTU, &ifr) == 0) {
s->mtu = ifr.ifr_mtu;
char buf[12];
memset(&ifr, 0, sizeof(ifr));
- strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name));
+ strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name) - 1);
if (s->flags & DEV_OPT_MTU & apply_mask) {
ifr.ifr_mtu = s->mtu;
if (ioctl(sock_ioctl, SIOCSIFMTU, &ifr) < 0)
};
int ret = 1;
+ if (!cb)
+ return ret;
+
msg = nlmsg_alloc_simple(RTM_GETLINK, 0);
if (!msg)
goto out;
memset(&ecmd, 0, sizeof(ecmd));
memset(&ifr, 0, sizeof(ifr));
- strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name));
+ strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name) - 1);
ifr.ifr_data = (caddr_t) &ecmd;
ecmd.cmd = ETHTOOL_GSET;
struct ifreq ifr;
memset(&ifr, 0, sizeof(ifr));
- strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
+ strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name) - 1);
ifr.ifr_ifru.ifru_data = p;
return ioctl(sock_ioctl, cmd, &ifr);
}
#ifdef IFLA_IPTUN_FMR_MAX
if ((cur = tb[TUNNEL_ATTR_DATA])) {
- struct nlattr *fmrs = nla_nest_start(nlm, IFLA_IPTUN_FMRS);
struct blob_attr *dcur;
unsigned drem, fmrcnt = 0;
+ struct nlattr *fmrs = nla_nest_start(nlm, IFLA_IPTUN_FMRS);
+
+ if (!fmrs) {
+ ret = -ENOMEM;
+ goto failure;
+ }
blobmsg_for_each_attr(dcur, cur, drem) {
if (blobmsg_type(dcur) != BLOBMSG_TYPE_ARRAY ||
offset = blobmsg_get_u32(tb_cur);
struct nlattr *rule = nla_nest_start(nlm, ++fmrcnt);
+ if (!rule) {
+ ret = -ENOMEM;
+ goto failure;
+ }
nla_put(nlm, IFLA_IPTUN_FMR_IP6_PREFIX, sizeof(ip6prefix), &ip6prefix);
nla_put(nlm, IFLA_IPTUN_FMR_IP4_PREFIX, sizeof(ip4prefix), &ip4prefix);
if (p.iph.ttl && p.iph.frag_off == 0)
return -EINVAL;
- strncpy(p.name, name, sizeof(p.name));
+ strncpy(p.name, name, sizeof(p.name) - 1);
switch (p.iph.protocol) {
case IPPROTO_IPIP: