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improved `ErrorMessage::deserialize()` error messages (#4617)

This commit is contained in:
Oliver Stöneberg 2022-12-07 18:00:45 +01:00 committed by GitHub
parent 8713dabe58
commit 4103d05c7f
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 39 additions and 29 deletions
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5
cli/processexecutor.cpp
View File

@ -162,10 +162,7 @@ int ProcessExecutor::handleRead(int rpipe, unsigned int &result)
} else if (type == PipeWriter::REPORT_ERROR || type == PipeWriter::REPORT_INFO) {
ErrorMessage msg;
try {
if (!msg.deserialize(buf)) {
std::cerr << "#### ThreadExecutor::handleRead error" << std::endl;
std::exit(EXIT_FAILURE);
}
msg.deserialize(buf);
} catch (const InternalError& e) {
std::cerr << "#### ThreadExecutor::handleRead error, internal error:" << e.errorMessage << std::endl;
std::exit(EXIT_FAILURE);

24
lib/errorlogger.cpp
View File

@ -256,7 +256,7 @@ std::string ErrorMessage::serialize() const
return oss.str();
}
bool ErrorMessage::deserialize(const std::string &data)
void ErrorMessage::deserialize(const std::string &data)
{
// TODO: clear all fields
certainty = Certainty::normal;
@ -268,13 +268,13 @@ bool ErrorMessage::deserialize(const std::string &data)
while (iss.good() && elem < 7) {
unsigned int len = 0;
if (!(iss >> len))
return false;
throw InternalError(nullptr, "Internal Error: Deserialization of error message failed - invalid length");
if (iss.get() != ' ')
return false;
throw InternalError(nullptr, "Internal Error: Deserialization of error message failed - invalid separator");
if (!iss.good())
return false;
throw InternalError(nullptr, "Internal Error: Deserialization of error message failed - premature end of data");
std::string temp;
for (unsigned int i = 0; i < len && iss.good(); ++i) {
@ -283,7 +283,7 @@ bool ErrorMessage::deserialize(const std::string &data)
}
if (!iss.good())
return false;
throw InternalError(nullptr, "Internal Error: Deserialization of error message failed - premature end of data");
if (temp == "inconclusive") {
certainty = Certainty::inconclusive;
@ -294,7 +294,7 @@ bool ErrorMessage::deserialize(const std::string &data)
}
if (!iss.good())
return false;
throw InternalError(nullptr, "Internal Error: Deserialization of error message failed - premature end of data");
if (elem != 7)
throw InternalError(nullptr, "Internal Error: Deserialization of error message failed - insufficient elements");
@ -311,18 +311,18 @@ bool ErrorMessage::deserialize(const std::string &data)
unsigned int stackSize = 0;
if (!(iss >> stackSize))
return false;
throw InternalError(nullptr, "Internal Error: Deserialization of error message failed - invalid stack size");
if (iss.get() != ' ')
return false;
throw InternalError(nullptr, "Internal Error: Deserialization of error message failed - invalid separator");
if (stackSize == 0)
return true;
return;
while (iss.good()) {
unsigned int len = 0;
if (!(iss >> len))
return false;
throw InternalError(nullptr, "Internal Error: Deserialization of error message failed - invalid length (stack)");
iss.get();
std::string temp;
@ -346,7 +346,7 @@ bool ErrorMessage::deserialize(const std::string &data)
substrings.push_back(temp.substr(start, pos - start));
}
if (substrings.size() < 4)
throw InternalError(nullptr, "Internal Error: serializing/deserializing of error message failed!");
throw InternalError(nullptr, "Internal Error: Deserializing of error message failed");
// (*loc).line << '\t' << (*loc).column << '\t' << (*loc).getfile(false) << '\t' << loc->getOrigFile(false) << '\t' << loc->getinfo();
@ -360,8 +360,6 @@ bool ErrorMessage::deserialize(const std::string &data)
if (callStack.size() >= stackSize)
break;
}
return true;
}
std::string ErrorMessage::getXMLHeader(const std::string& productName)

2
lib/errorlogger.h
View File

@ -165,7 +165,7 @@ public:
const std::string &templateLocation = emptyString) const;
std::string serialize() const;
bool deserialize(const std::string &data);
void deserialize(const std::string &data);
std::list<FileLocation> callStack;
std::string id;

37
test/testerrorlogger.cpp
View File

@ -286,6 +286,8 @@ private:
std::list<ErrorMessage::FileLocation> locs;
ErrorMessage msg(locs, emptyString, Severity::error, "Programming error", "errorId", Certainty::inconclusive);
msg.file0 = "test.cpp";
const std::string msg_str = msg.serialize();
ASSERT_EQUALS("7 errorId"
"5 error"
"1 0"
@ -294,10 +296,10 @@ private:
"12 inconclusive"
"17 Programming error"
"17 Programming error"
"0 ", msg.serialize());
"0 ", msg_str);
ErrorMessage msg2;
ASSERT(msg2.deserialize(msg.serialize()));
ASSERT_NO_THROW(msg2.deserialize(msg_str));
ASSERT_EQUALS("errorId", msg2.id);
ASSERT_EQUALS(Severity::error, msg2.severity);
ASSERT_EQUALS("test.cpp", msg2.file0);
@ -311,22 +313,22 @@ private:
// missing/invalid length
// missing separator
ErrorMessage msg;
ASSERT(!msg.deserialize("500foobar"));
ASSERT_THROW_EQUALS(msg.deserialize("500foobar"), InternalError, "Internal Error: Deserialization of error message failed - invalid separator");
}
{
// invalid length
ErrorMessage msg;
ASSERT(!msg.deserialize("foo foobar"));
ASSERT_THROW_EQUALS(msg.deserialize("foo foobar"), InternalError, "Internal Error: Deserialization of error message failed - invalid length");
}
{
// mismatching length
ErrorMessage msg;
ASSERT(!msg.deserialize("8 errorId"));
ASSERT_THROW_EQUALS(msg.deserialize("8 errorId"), InternalError, "Internal Error: Deserialization of error message failed - premature end of data");
}
{
// incomplete message
ErrorMessage msg;
ASSERT(!msg.deserialize("7 errorId"));
ASSERT_THROW_EQUALS(msg.deserialize("7 errorId"), InternalError, "Internal Error: Deserialization of error message failed - invalid length");
}
{
// invalid CWE ID
@ -339,7 +341,7 @@ private:
"17 Programming error"
"0 ";
ErrorMessage msg;
ASSERT_THROW(msg.deserialize(str), InternalError);
ASSERT_THROW_EQUALS(msg.deserialize(str), InternalError, "Internal Error: Deserialization of error message failed - invalid CWE ID");
}
{
// invalid hash
@ -352,7 +354,7 @@ private:
"17 Programming error"
"0 ";
ErrorMessage msg;
ASSERT_THROW(msg.deserialize(str), InternalError);
ASSERT_THROW_EQUALS(msg.deserialize(str), InternalError, "Internal Error: Deserialization of error message failed - invalid hash");
}
}
@ -361,6 +363,7 @@ private:
ErrorMessage msg(locs, emptyString, Severity::error, std::string("Illegal character in \"foo\001bar\""), "errorId", Certainty::normal);
msg.file0 = "1.c";
const std::string msg_str = msg.serialize();
ASSERT_EQUALS("7 errorId"
"5 error"
"1 0"
@ -368,10 +371,10 @@ private:
"3 1.c"
"33 Illegal character in \"foo\\001bar\""
"33 Illegal character in \"foo\\001bar\""
"0 ", msg.serialize());
"0 ", msg_str);
ErrorMessage msg2;
ASSERT(msg2.deserialize(msg.serialize()));
ASSERT_NO_THROW(msg2.deserialize(msg_str));
ASSERT_EQUALS("errorId", msg2.id);
ASSERT_EQUALS(Severity::error, msg2.severity);
ASSERT_EQUALS("1.c", msg2.file0);
@ -388,8 +391,20 @@ private:
ErrorMessage msg(locs, emptyString, Severity::error, "Programming error", "errorId", Certainty::inconclusive);
const std::string msg_str = msg.serialize();
ASSERT_EQUALS("7 errorId"
"5 error"
"1 0"
"1 0"
"0 "
"12 inconclusive"
"17 Programming error"
"17 Programming error"
"1 "
"27 654\t33\t[]:;,()\t:/,;\tabcd:/,", msg_str);
ErrorMessage msg2;
ASSERT(msg2.deserialize(msg.serialize()));
ASSERT_NO_THROW(msg2.deserialize(msg_str));
ASSERT_EQUALS("[]:;,()", msg2.callStack.front().getfile(false));
ASSERT_EQUALS(":/,;", msg2.callStack.front().getOrigFile(false));
ASSERT_EQUALS(654, msg2.callStack.front().line);