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Bug 1439468 - Improve error reporting in Safe Browsing protocol parser. r=gcp

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MozReview-Commit-ID: JeyCZSbdZBd
This commit is contained in:
Francois Marier
2018-02-20 13:54:30 -08:00
parent 9c760dd21f
commit 322e21dae7
2 changed files with 18 additions and 8 deletions
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20
toolkit/components/url-classifier/ProtocolParser.cpp
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@@ -16,6 +16,7 @@
#include "mozilla/Base64.h"
#include "RiceDeltaDecoder.h"
#include "mozilla/EndianUtils.h"
#include "mozilla/ErrorNames.h"
#include "mozilla/IntegerPrintfMacros.h"
// MOZ_LOG=UrlClassifierProtocolParser:5
@@ -783,7 +784,10 @@ ProtocolParserProtobuf::End()
if (NS_SUCCEEDED(rv)) {
mUpdateStatus = rv;
} else {
NS_WARNING("Failed to process one response.");
nsAutoCString errorName;
mozilla::GetErrorName(rv, errorName);
NS_WARNING(nsPrintfCString("Failed to process one response: %s",
errorName.get()).get());
}
}
}
@@ -794,7 +798,7 @@ ProtocolParserProtobuf::ProcessOneResponse(const ListUpdateResponse& aResponse)
// A response must have a threat type.
if (!aResponse.has_threat_type()) {
NS_WARNING("Threat type not initialized. This seems to be an invalid response.");
return NS_ERROR_FAILURE;
return NS_ERROR_UC_PARSER_MISSING_PARAM;
}
// Convert threat type to list name.
@@ -806,7 +810,7 @@ ProtocolParserProtobuf::ProcessOneResponse(const ListUpdateResponse& aResponse)
if (NS_FAILED(rv)) {
PARSER_LOG(("Threat type to list name conversion error: %d",
aResponse.threat_type()));
return NS_ERROR_FAILURE;
return NS_ERROR_UC_PARSER_UNKNOWN_THREAT;
}
// Match the table name we received with one of the ones we requested.
@@ -834,13 +838,13 @@ ProtocolParserProtobuf::ProcessOneResponse(const ListUpdateResponse& aResponse)
aResponse.response_type() == ListUpdateResponse::FULL_UPDATE;
} else {
NS_WARNING("Response type not initialized.");
return NS_ERROR_FAILURE;
return NS_ERROR_UC_PARSER_MISSING_PARAM;
}
// Warn if there's no new state.
if (!aResponse.has_new_client_state()) {
NS_WARNING("New state not initialized.");
return NS_ERROR_FAILURE;
return NS_ERROR_UC_PARSER_MISSING_PARAM;
}
auto tu = GetTableUpdate(nsCString(listName.get()));
@@ -978,12 +982,12 @@ DoRiceDeltaDecode(const RiceDeltaEncoding& aEncoding,
{
if (!aEncoding.has_first_value()) {
PARSER_LOG(("The encoding info is incomplete."));
return NS_ERROR_FAILURE;
return NS_ERROR_UC_PARSER_MISSING_PARAM;
}
if (aEncoding.num_entries() > 0 &&
(!aEncoding.has_rice_parameter() || !aEncoding.has_encoded_data())) {
PARSER_LOG(("Rice parameter or encoded data is missing."));
return NS_ERROR_FAILURE;
return NS_ERROR_UC_PARSER_MISSING_PARAM;
}
PARSER_LOG(("* Encoding info:"));
@@ -1010,7 +1014,7 @@ DoRiceDeltaDecode(const RiceDeltaEncoding& aEncoding,
aEncoding.num_entries(), // # of entries (first value not included).
&aDecoded[0]);
NS_ENSURE_TRUE(rv, NS_ERROR_FAILURE);
NS_ENSURE_TRUE(rv, NS_ERROR_UC_PARSER_DECODE_FAILURE);
return NS_OK;
}