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[AWARE] Protect string copy against buffer overflow

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Fixes: 143789898
Test: (Unit) atest com.android.server.wifi
Test: ACTS ThroughputTest:test_iperf_single_ndp_aware_only_ib
Test: (VTS) atest VtsHalWifiApV1_4TargetTest
Change-Id: I5b8aa1d9a6388fe20cb7e1cd6a76d5e59e14d099
This commit is contained in:
Etan Cohen
2019-11-25 11:41:58 -08:00
committed by Bryan Ferris
parent df3648e4ff
commit 5039b6099e
1 changed files with 14 additions and 2 deletions
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16
wifi/1.3/default/hidl_struct_util.cpp
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@@ -1819,7 +1819,13 @@ bool convertHidlNanDataPathInitiatorRequestToLegacy(
convertHidlNanDataPathChannelCfgToLegacy(
hidl_request.channelRequestType);
legacy_request->channel = hidl_request.channel;
strcpy(legacy_request->ndp_iface, hidl_request.ifaceName.c_str());
if (strnlen(hidl_request.ifaceName.c_str(), IFNAMSIZ + 1) == IFNAMSIZ + 1) {
LOG(ERROR) << "convertHidlNanDataPathInitiatorRequestToLegacy: "
"ifaceName too long";
return false;
}
strncpy(legacy_request->ndp_iface, hidl_request.ifaceName.c_str(),
IFNAMSIZ + 1);
legacy_request->ndp_cfg.security_cfg =
(hidl_request.securityConfig.securityType !=
NanDataPathSecurityType::OPEN)
@@ -1900,7 +1906,13 @@ bool convertHidlNanDataPathIndicationResponseToLegacy(
? legacy_hal::NAN_DP_REQUEST_ACCEPT
: legacy_hal::NAN_DP_REQUEST_REJECT;
legacy_request->ndp_instance_id = hidl_request.ndpInstanceId;
strcpy(legacy_request->ndp_iface, hidl_request.ifaceName.c_str());
if (strnlen(hidl_request.ifaceName.c_str(), IFNAMSIZ + 1) == IFNAMSIZ + 1) {
LOG(ERROR) << "convertHidlNanDataPathIndicationResponseToLegacy: "
"ifaceName too long";
return false;
}
strncpy(legacy_request->ndp_iface, hidl_request.ifaceName.c_str(),
IFNAMSIZ + 1);
legacy_request->ndp_cfg.security_cfg =
(hidl_request.securityConfig.securityType !=
NanDataPathSecurityType::OPEN)