diff options
| -rw-r--r-- | accel-pppd/ipv6/dhcpv6_packet.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/accel-pppd/ipv6/dhcpv6_packet.c b/accel-pppd/ipv6/dhcpv6_packet.c index 1cae30e6..c0c7bc81 100644 --- a/accel-pppd/ipv6/dhcpv6_packet.c +++ b/accel-pppd/ipv6/dhcpv6_packet.c @@ -498,12 +498,21 @@ static void print_hex_array(struct dhcpv6_option *opt, void (*print)(const char static void print_uint8(struct dhcpv6_option *opt, void (*print)(const char *fmt, ...)) { + if (ntohs(opt->hdr->len) < sizeof(uint8_t)) + return; + print(" %i", *(uint8_t *)opt->hdr->data); } static void print_time(struct dhcpv6_option *opt, void (*print)(const char *fmt, ...)) { - print(" %u", *(uint32_t *)opt->hdr->data); + uint16_t val; + + if (ntohs(opt->hdr->len) < sizeof(val)) + return; + + memcpy(&val, opt->hdr->data, sizeof(val)); + print(" %u", ntohs(val)); } static void print_ipv6addr(struct dhcpv6_option *opt, void (*print)(const char *fmt, ...)) |