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SNFClient
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setup 

git-svn-id: https://svn.microneil.com/svn/SNFClient/trunk@1 51592d22-3d51-405e-a108-f9da3ab4961f
adeniz_1
madscientist 16 years ago
commit
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  2. 587
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Makefile.am View File

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## Process this file with automake to produce Makefile.in
##
## $Id$
##
## automake input for the MicroNeil SNFClient application.
##
## Author: Alban Deniz
##
## Copyright (C) 2008 ARM Research Labs, LLC.
## See www.armresearch.com for the copyright terms.
##
##

LIBS = @SNF_LIBS@ -L../SNFMulti -L../CodeDweller -lCodeDweller -lSNFMulti @LIBS@
CXXFLAGS = $(SNF_CXXFLAGS) -I@top_srcdir@/SNFMulti -I@top_srcdir@/CodeDweller

sbin_PROGRAMS = \
SNFClient

SNFClient_SOURCES = \
@top_srcdir@/SNFClient/main.cpp

clean-local:
rm -f *.gcno *.gcov *.gcda *~

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main.cpp View File

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// main.cpp
// SNF_Client.exe
//
// (C) 2006-2008 ARM Research Labs, LLC.
// See www.armresearch.com for the copyright terms.
//
// This program implements a client command line interface for systems using
// SNF_Server. The operation is simple--- Given a file name to scan, pass the
// file name to the SNF scanner on localhost and return the result code.
#if defined(WIN32) || defined(WIN64)
#include <windows.h>
#endif
#include <iostream>
#include <fstream>
#include <sstream>
#include <cstring>
#include <string>
#include <ctime>
#include <cctype>
#include <unistd.h>
#include <dirent.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "timing.hpp"
#include "networking.hpp"
#include "threading.hpp"
#include "snf_xci.hpp"
#include "config.h"
using namespace std; // Introduce standard namespace.
const char* VERSION_INFO = "SNF Client Version " PACKAGE_VERSION " Build: " __DATE__ " " __TIME__;
time_t Timestamp() { // Get an ordinary timestamp.
time_t rawtime; // Grab raw time from
time(&rawtime); // the system clock.
return rawtime;
}
string Timestamp(time_t t) { // Convert time_t to a timestamp.
char TimestampBfr[20]; // Create a small buffer.
tm* gmt; // Get a ptr to a tm structure.
gmt = gmtime(&t); // Fill it with UTC.
sprintf(TimestampBfr,"%04d%02d%02d%02d%02d%02d\0", // Format yyyymmddhhmmss
gmt->tm_year+1900,
gmt->tm_mon+1,
gmt->tm_mday,
gmt->tm_hour,
gmt->tm_min,
gmt->tm_sec
);
return string(TimestampBfr); // Return a string.
}
string ErrorMessage(int argc, char** argv, string ErrorText) { // Create an error message.
ostringstream FailurePreamble; // Setup a stringstream for formatting.
string TimestampString = Timestamp(Timestamp()); // Get the UTC timestamp.
FailurePreamble << TimestampString << ", "; // Start with the timestamp and
for(int a = 1; a < argc; a++) { // then roll in all of the command
FailurePreamble << "arg" << a << "=" << argv[a]; // line parameters. Follow that with
if(a < argc-1) { FailurePreamble << ", "; } // a colon and the error itself.
else { FailurePreamble << " : "; }
}
FailurePreamble << ErrorText << endl; // Tack on the error text.
return FailurePreamble.str(); // Return the completed string.
}
int main(int argc, char* argv[]) { // Accept command line parms.
// Figure out what we're going to do and create a suitable RequestString.
bool DebugMode = false; // This will be our debug mode.
string argv0(argv[0]); // Capture how we were called.
if(
string::npos != argv0.find("Debug") || // If we find "Debug" or
string::npos != argv0.find("debug") // "debug" in our command path
) { // then we are in DebugMode.
DebugMode = true; // Set the flag and tell the
cout << "Debug Mode" << endl; // watchers.
}
string FileToScan; // What will we be scanning?
string RequestString; // What will we send to the server?
bool ItIsACommand = false; // Is it a command?
bool ItIsAScan = false; // Is it a scan?
bool GetXHDRs = false; // GetXHDRs with scan?
bool ItIsAGBUdb = false; // Is it a GBUdb Request?
bool ItIsAReport = false; // Is it a Status Report Request?
switch(argc) {
case 2: { // This is either a file or a command.
FileToScan = argv[1];
// Status Report? --------------------------------------------------
if(0 == FileToScan.find("-status.second")) { // Status Second Report? If so:
ItIsAReport = true; // Set the flag & format the request.
RequestString = "<snf><xci><report><request><status class='second'/></request></report></xci></snf>";
} else
if(0 == FileToScan.find("-status.minute")) { // Status Minute Report? If so:
ItIsAReport = true; // Set the flag & format the request.
RequestString = "<snf><xci><report><request><status class='minute'/></request></report></xci></snf>";
} else
if(0 == FileToScan.find("-status.hour")) { // Status Hour Report? If so:
ItIsAReport = true; // Set the flag & format the request.
RequestString = "<snf><xci><report><request><status class='hour'/></request></report></xci></snf>";
} else
if(0 == FileToScan.find("-shutdown")) { // If argv1 is -shutdown:
ItIsACommand = true; // Set the command flag.
if(DebugMode) { cout << "Command: shutdown" << endl; } // In debug - tell what we are doing.
// Format the request.
RequestString = "<snf><xci><server><command command=\'shutdown\'/></server></xci></snf>\n";
} else
if('-' == FileToScan.at(0)) { // If argv1 still looks like -something
goto BadCommandLine; // Complain and show the help text.
} else { // If it does not then it is a file.
ItIsAScan = true; // Set the scan flag.
if(DebugMode) { cout << "Scan: " << FileToScan << endl; } // In debug - tell what we are doing.
// Format the request.
RequestString = "<snf><xci><scanner><scan file=\'";
RequestString.append(FileToScan);
RequestString.append("\'/></scanner></xci></snf>\n");
}
break;
}
case 3: { // Special Scan Mode
string CommandString = argv[1]; // -command
FileToScan = argv[2]; // What file to scan?
// XHeader Scan? ---------------------------------------------------
if(0 == CommandString.find("-xhdr")) { // Scan file and show x headers.
ItIsAScan = true; // Set the scan flag.
GetXHDRs = true; // Turn on XHDRs for the scan.
if(DebugMode) {
cout << "(xhdr)Scan: " << FileToScan << endl; // In debug - tell what we are doing.
}
// Format the request.
RequestString = "<snf><xci><scanner><scan file=\'";
RequestString.append(FileToScan);
RequestString.append("\' xhdr=\'yes\'/></scanner></xci></snf>\n");
} else
// Source Scan? ----------------------------------------------------
if(0 == CommandString.find("-source=")) { // Scan file with forced source.
ItIsAScan = true; // Set the scan flag.
const int SourceIPIndex = CommandString.find("=") + 1; // Find source after "-source="
IP4Address SourceIP = CommandString.substr(SourceIPIndex); // Extract the source IP.
if(DebugMode) {
cout << "([" << (string) SourceIP // In debug - tell what we are doing.
<< "])Scan: " << FileToScan << endl;
}
// Format the request.
RequestString = "<snf><xci><scanner><scan file=\'";
RequestString.append(FileToScan);
RequestString.append("\' ip=\'");
RequestString.append((string) SourceIP);
RequestString.append("\'/></scanner></xci></snf>\n");
} else
// GBUdb test? -----------------------------------------------------
if(0 == CommandString.find("-test")) { // GBUdb test IP
ItIsAGBUdb = true; // Set the GBUdb flag.
// Format the request.
RequestString = "<snf><xci><gbudb><test ip=\'";
RequestString.append(argv[2]);
RequestString.append("\'/></gbudb></xci></snf>\n");
} else
// GBUdb good? -----------------------------------------------------
if(0 == CommandString.find("-good")) { // GBUdb good IP event
ItIsAGBUdb = true; // Set the GBUdb flag.
// Format the request.
RequestString = "<snf><xci><gbudb><good ip=\'";
RequestString.append(argv[2]);
RequestString.append("\'/></gbudb></xci></snf>\n");
} else
// GBUdb bad? ------------------------------------------------------
if(0 == CommandString.find("-bad")) { // GBUdb bad IP event
ItIsAGBUdb = true; // Set the GBUdb flag.
// Format the request.
RequestString = "<snf><xci><gbudb><bad ip=\'";
RequestString.append(argv[2]);
RequestString.append("\'/></gbudb></xci></snf>\n");
} else
// GBUdb drop? -----------------------------------------------------
if(0 == CommandString.find("-drop")) { // GBUdb drop IP
ItIsAGBUdb = true; // Set the GBUdb flag.
// Format the request.
RequestString = "<snf><xci><gbudb><drop ip=\'";
RequestString.append(argv[2]);
RequestString.append("\'/></gbudb></xci></snf>\n");
} else
// Compatibility Scan? ---------------------------------------------
if(CommandString.at(0) != '-') { // If we don't see -<something>:
ItIsAScan = true; // Set the scan flag.
FileToScan = argv[2]; // Grab the message_file_name for
if(DebugMode) { // a compatability scan and if
cout << "(compat)Scan: " << FileToScan << endl; // debugging then announce it.
}
// Format the request.
RequestString = "<snf><xci><scanner><scan file=\'";
RequestString.append(FileToScan);
RequestString.append("\'/></scanner></xci></snf>\n");
} else
goto BadCommandLine; // If no match here, give help.
break;
}
case 4: {
string Command1String = argv[1]; // -command1
string Command2String = argv[2]; // -command2
FileToScan = argv[3]; // What file to scan?
// XHeader Scan W/ Source IP? --------------------------------------
if(0 == Command1String.find("-source=")) { // If things are refersed
string tmp = Command2String; // swap them to the order we
Command2String = Command1String; // are expecting. If we're wrong
Command1String = tmp; // then that case will be handled
} // next step.
if(
0 == Command1String.find("-xhdr") &&
0 == Command2String.find("-source=")
) { // Scan file and show x headers.
ItIsAScan = true; // Set the scan flag.
GetXHDRs = true; // Turn on XHDRs for the scan.
const int SourceIPIndex = Command2String.find("=") + 1; // Find source after "-source="
IP4Address SourceIP = Command1String.substr(SourceIPIndex); // Extract the source IP.
if(DebugMode) {
cout << "(xhdr [" << (string) SourceIP // In debug - tell what we are doing.
<< "])Scan: " << FileToScan << endl;
}
// Format the request.
RequestString = "<snf><xci><scanner><scan file=\'";
RequestString.append(FileToScan);
RequestString.append("\' xhdr=\'yes\' ip=\'");
RequestString.append((string) SourceIP);
RequestString.append("\'/></scanner></xci></snf>\n");
} else
goto BadCommandLine; // If no match here, give help.
break;
}
case 6: { // GBUdb set mode.
string CommandString = argv[1]; // -command
// GBUdb set? ------------------------------------------------------
if(0 == CommandString.find("-set")) { // GBUdb set IP
ItIsAGBUdb = true; // Set the GBUdb flag.
// Format the request.
RequestString = "<snf><xci><gbudb><set ip=\'"; // Capture the IP in the request.
RequestString.append(argv[2]);
RequestString.append("\'");
if( // If the type flag is specified
'g' == argv[3][0] || // it must begin with G B U or I.
'G' == argv[3][0] ||
'b' == argv[3][0] ||
'B' == argv[3][0] ||
'u' == argv[3][0] ||
'U' == argv[3][0] ||
'i' == argv[3][0] ||
'I' == argv[3][0]
) { // If we've got a type flag then
RequestString.append(" type=\'"); // capture it in our request.
RequestString.append(argv[3]);
RequestString.append("\'");
} // If the type flag isn't specified
else if('-' != argv[3][0]) goto BadCommandLine; // it must be a - or else an error.
if(isdigit(argv[4][0])) { // Capture the bad count.
RequestString.append(" b=\'"); // If it looks like a number
RequestString.append(argv[4]); // capture it in our request.
RequestString.append("\'");
}
else if('-' != argv[4][0]) goto BadCommandLine; // If not a number it must be -
if(isdigit(argv[5][0])) { // Capture the good count.
RequestString.append(" g=\'"); // If it looks like a number
RequestString.append(argv[5]); // capture it in our request.
RequestString.append("\'");
}
else if('-' != argv[5][0]) goto BadCommandLine; // If not a number it must be -
RequestString.append("/></gbudb></xci></snf>\n"); // Finish off our request.
}
else goto BadCommandLine; // If no match here, give help.
break;
}
// Bad Command Line ----------------------------------------------------
default: { // If we don't know: show help.
BadCommandLine: // Shortcut for others.
cout
<< endl
<< VERSION_INFO << endl
<< endl
<< "Help:" << endl
<< endl
<< " To scan a message file use: " << endl
<< " SNFClient.exe [-xhdr] [-source=<IP4Address>] <FileNameToScan>" << endl
<< " or: SNFClient.exe <Authenticationxx> <FileNameToScan>" << endl
<< endl
<< " To test an IP with GBUdb use: " << endl
<< " SNFClient.exe -test <IP4Address>" << endl
<< endl
<< " To update GBUdb records use: " << endl
<< " SNFClient.exe -set <IP4Address> <flag> <bad> <good>" << endl
<< " or: SNFClient.exe -drop <IP4Address>" << endl
<< " or: SNFClient.exe -good <IP4Address>" << endl
<< " or: SNFClient.exe -bad <IP4Address>" << endl
<< endl
<< " To check SNFServer status use: " << endl
<< " SNFClient.exe -status.second" << endl
<< " or: SNFClient.exe -status.minute" << endl
<< " or: SNFClient.exe -status.hour" << endl
<< endl
<< " To shut down the SNFServer use: " << endl
<< " SNFClient.exe -shutdown" << endl
<< endl
<< " For more information see www.armresearch.com" << endl
<< " (C) 2007-2008 Arm Research Labs, LLC." << endl;
return 0; // Return 0 on help.
}
}
// If we're in debug mode this is a good time to emit our request string
if(DebugMode) { cout << RequestString << endl; } // If debugging, show our request.
// Since we're gonna do this -- prepare for an error
string ERRFname; // The default error log name will
ERRFname = argv[0]; // be the program file name with
ERRFname.append(".err"); // .err tagged on the end.
const int FailSafeResult = 0; // Fail Safe result code.
const int StatusReportError = 99; // Unknown Error Code for status failures.
// Connect to the server and get the result...
string ResultString; // We need our result string.
bool ConnectSuccess = false; // We need our success flag.
// Max time in this loop should be (100*50ms) = 5 seconds per try times
// 10 tries = 50 seconds, plus (9*500ms) = 4.5 secs for re-tries. ~ 55 secs.
const int ResultBufferSize = 4096;
char ResultBuffer[ResultBufferSize+1]; // Make an oversize buffer for the answer.
memset(ResultBuffer, 0, sizeof(ResultBuffer)); // Set the entire thing to nulls.
const int Tries = 20; // How many times to try this.
Sleeper SleepAfterAttempt(100); // How long to sleep between attempts.
const int OpenTries = 90; // How many tries at opening.
Sleeper WaitForOpen(10); // How long to wait for an open cycle.
const int ReadTries = 900; // How many tries at reading.
Sleeper SleepBeforeReading(10); // How long to pause before reading.
/*
** 20 * 100ms = 2 seconds for all tries.
** 90 * 10ms = 900ms for a failed connection.
** 900 * 10ms = 9 seconds for a failed read.
**
** Approximate wait for can't connect = 2.0 + (20 * 0.9) = ~ 20.0 seconds.
** Maximum impossible wait = 2.0 + (0.9 * 20) + (9.0 * 20) = 200.0 seconds.
*/
for(int tryagain = Tries; (0<tryagain) && (!ConnectSuccess); tryagain--) { // Try a few times to get this done.
try {
ResultString = ""; // Clear our result string.
TCPHost SNFServer(9001); // Create connection to server.
SNFServer.makeNonBlocking(); // Make it non-blocking.
for(int tries = OpenTries; 0 < tries; tries--) { // Wait & Watch for a good connection.
try { SNFServer.open(); } catch(...) {} // Try opening the connection.
if(SNFServer.isOpen()) break; // When successful, let's Go!
else WaitForOpen(); // When not successful, pause.
}
if(SNFServer.isOpen()) { // If we have a good connection:
SNFServer.transmit(
RequestString.c_str(), RequestString.length()); // Send the request.
for(int tries = ReadTries; 0 < tries; tries--) { // Try to read the result a few times.
SleepBeforeReading(); // Provide some time for each try.
memset(ResultBuffer, 0, sizeof(ResultBuffer)); // Clear the buffer.
SNFServer.receive(ResultBuffer, ResultBufferSize); // Receive the answer.
ResultString.append(ResultBuffer);
if(string::npos ==
ResultString.rfind("</snf>",ResultString.length())) { // If we don't have the end yet.
continue; // Try again.
} else { // If we got to end of line
ConnectSuccess = true; // Success!
break; // We're done.
}
}
SNFServer.close(); // No need for our connection after that.
}
} catch(...) { } // Ignore errors for now.
if(!ConnectSuccess) SleepAfterAttempt(); // Pause for a moment before trying again..
}
if(!ConnectSuccess) { // If no connection success complain!
if(DebugMode) {
cout << FileToScan << ": ";
cout << "Could Not Connect!" << endl;
}
ofstream ERRF(ERRFname.c_str(), ios::out | ios::ate | ios::app);
ERRF << ErrorMessage(argc, argv, "Could Not Connect!");
ERRF.close();
if(ItIsAReport) { // If this was a status request then
return StatusReportError; // return a failure value.
} // In all other cases return zero as a
else return FailSafeResult; // Fail Safe.
}
// At this point we should have a usable result.
if(DebugMode) { cout << ResultString << endl; } // In debug, show the result string.
snf_xci Reader(ResultString); // Interpret the data and check for
if(Reader.bad()) { // a proper read. If it was bad then
if(DebugMode) {
cout << FileToScan << ": ";
cout << "Bad result from server!" << endl;
cout << ResultString << endl;
}
ofstream ERRF(ERRFname.c_str(), ios::out | ios::ate | ios::app);
ERRF << ErrorMessage(argc, argv, // complain and spit out what we got
"Bad result from server! " + ResultString); // for debugging purposes.
return FailSafeResult; // Return our failsafe value.
}
if(0 < Reader.xci_error_message.length()) { // If the result was a general error
if(DebugMode) {
cout << FileToScan << ": ";
cout << "XCI Error!: " << Reader.xci_error_message << endl;
}
ofstream ERRF(ERRFname.c_str(), ios::out | ios::ate | ios::app);
ERRF << ErrorMessage(argc, argv,
"XCI Error!: " + Reader.xci_error_message); // then spit that out
return FailSafeResult; // and return the failsafe.
}
// If we got here we've successfully parsed the results.
if(ItIsACommand) { // If it was a command then
cout << " [Server Says: " << Reader.xci_server_response << "]" << endl; // show the response.
}
else if(ItIsAScan) { // If it was a scan then
int ResultCode = Reader.scanner_result_code; // grab the result code.
if(0 < Reader.scanner_result_xhdr.length()) { // If we have xheaders show them.
cout << endl << Reader.scanner_result_xhdr << endl;
}
if(DebugMode) { cout << "(" << ResultCode << ")"; }
if( (0 < ResultCode) && (64 > ResultCode) ) { // If the result code means SPAM
if(DebugMode) { cout << "[spam]" << endl; }
return ResultCode; // Return the result code.
} else
if(0 == ResultCode) {
if(DebugMode) { cout << "[clean]" << endl; }
return 0;
} else {
if(DebugMode) { cout << "[Fail Safe!]" << endl; }
return FailSafeResult;
}
}
else if(ItIsAGBUdb) { // If it was a GBUdb function then show
cout // the results to whomever is watching.
<< "GBUdb Record for " << Reader.gbudb_result_ip << endl
<< " Type Flag: " << Reader.gbudb_result_type << endl
<< " Bad Count: " << Reader.gbudb_result_bad_count << endl
<< " Good Count: " << Reader.gbudb_result_good_count << endl
<< "Probability: " << Reader.gbudb_result_probability << endl
<< " Confidence: " << Reader.gbudb_result_confidence << endl
<< " Range: " << Reader.gbudb_result_range << endl
<< " Code: " << Reader.gbudb_result_code << endl
<< endl;
return Reader.gbudb_result_code;
}
else if(ItIsAReport) { // If it was a report request then
cout // output the report. Add a handy
<< endl << "<!-- Status Report -->" << endl // XML comment to help humans.
<< Reader.report_response << endl;
return 0;
}
// You can't get here from there.
if(DebugMode) { cout << "End Of Logic [Fail Safe!!]" << endl; }
return FailSafeResult;
}

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