| commit | 74d9f1ba37010face4bd1449df4d60dd84450b06 | [log] [tgz] |
|---|---|---|
| author | Denys Vlasenko <vda.linux@googlemail.com> | Mon Jan 07 15:33:42 2019 +0100 |
| committer | Denys Vlasenko <vda.linux@googlemail.com> | Mon Jan 07 15:33:42 2019 +0100 |
| tree | ec6b078d67826b01c69ad533376be7c763596bd2 | |
| parent | b80bdeba0248e2742cf801e7429d5d7aad69d26d [diff] [blame] |
udhcpc: when decoding DHCP_SUBNET, ensure it is 4 bytes long function old new delta udhcp_run_script 795 801 +6 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/udhcp/common.c b/networking/udhcp/common.c index 4c2221b..fc4de57 100644 --- a/networking/udhcp/common.c +++ b/networking/udhcp/common.c
@@ -302,7 +302,7 @@ { uint8_t *r = udhcp_get_option(packet, code); if (r) { - if (r[-1] != 4) + if (r[-OPT_DATA + OPT_LEN] != 4) r = NULL; } return r;