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stricter length check in copy_to_skad()
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hyung-hwan
2025-09-01 10:27:18 +09:00
parent 6aca30c893
commit 00c9983328
2 changed files with 6 additions and 6 deletions
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11
lib/gem-nwif2.c
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@ -122,8 +122,9 @@ static int prefix_to_in6 (int prefix, struct in6_addr* in6)
static HAWK_INLINE void copy_to_skad (struct sockaddr* sa, hawk_oow_t sa_size, hawk_skad_t* skad)
{
/* assume *skad is large enough */
HAWK_MEMCPY(skad, sa, sa_size);
hawk_oow_t len;
len = (sa_size <= HAWK_SIZEOF(*skad))? sa_size: HAWK_SIZEOF(*skad);
HAWK_MEMCPY(skad, sa, len);
}
/*
@ -458,7 +459,7 @@ static int get_ifcfg (hawk_gem_t* gem, int s, hawk_ifcfg_t* cfg, struct ifreq* i
if (lifrbuf.lifr_flags & IFF_BROADCAST) cfg->flags |= HAWK_IFCFG_BCAST;
if (lifrbuf.lifr_flags & IFF_POINTOPOINT) cfg->flags |= HAWK_IFCFG_PTOP;
if (ioctl (s, SIOCGLIFMTU, &lifrbuf) <= -1) return -1;
if (ioctl(s, SIOCGLIFMTU, &lifrbuf) <= -1) return -1;
cfg->mtu = lifrbuf.lifr_mtu;
hawk_clear_skad(&cfg->addr);
@ -765,7 +766,7 @@ static void get_moreinfo (int s, hawk_ifcfg_t* cfg, struct ifreq* ifr)
drvinfo.cmd = ETHTOOL_GDRVINFO;
ifr->ifr_data = &drvinfo;
if (ioctl (s, SIOCETHTOOL, ifr) >= 0)
if (ioctl(s, SIOCETHTOOL, ifr) >= 0)
{
struct ethtool_stats *stats;
hawk_uint8_t buf[1000]; /* TODO: make this dynamic according to drvinfo.n_stats */
@ -774,7 +775,7 @@ static void get_moreinfo (int s, hawk_ifcfg_t* cfg, struct ifreq* ifr)
stats->cmd = ETHTOOL_GSTATS;
stats->n_stats = drvinfo.n_stats * HAWK_SIZEOF(stats->data[0]);
ifr->ifr_data = (caddr_t) stats;
if (ioctl (s, SIOCETHTOOL, ifr) >= 0)
if (ioctl(s, SIOCETHTOOL, ifr) >= 0)
{
for (i = 0; i < drvinfo.n_stats; i++)
{