From c52663c4ea118386b54fcaa5ef148e8a0c7d5b30 Mon Sep 17 00:00:00 2001 From: David Anderson Date: Mon, 1 Apr 2019 14:37:33 -0700 Subject: [PATCH] Append -verity when looking for verity device-mapper names. Bug: 123666267 Test: recovery_component_test passes Change-Id: I9b608b3fbfa14cc45ad0b4de6cb5cecdef983acb --- update_verifier/update_verifier.cpp | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/update_verifier/update_verifier.cpp b/update_verifier/update_verifier.cpp index 0cf536ce..d04c455d 100644 --- a/update_verifier/update_verifier.cpp +++ b/update_verifier/update_verifier.cpp @@ -115,6 +115,15 @@ std::map UpdateVerifier::FindDmPartitions() { // AVB is using 'vroot' for the root block device but we're expecting 'system'. if (dm_block_name == "vroot") { dm_block_name = "system"; + } else if (android::base::EndsWith(dm_block_name, "-verity")) { + auto npos = dm_block_name.rfind("-verity"); + dm_block_name = dm_block_name.substr(0, npos); + } else if (!android::base::GetProperty("ro.boot.avb_version", "").empty()) { + // Verified Boot 1.0 doesn't add a -verity suffix. On AVB 2 devices, + // if DAP is enabled, then a -verity suffix must be used to + // differentiate between dm-linear and dm-verity devices. If we get + // here, we're AVB 2 and looking at a non-verity partition. + continue; } dm_block_devices.emplace(dm_block_name, DEV_PATH + std::string(namelist[n]->d_name));