1 files changed, 320 insertions, 0 deletions
diff --git a/ksim/monitors/snmp/snmp.cpp b/ksim/monitors/snmp/snmp.cpp
new file mode 100644
index 0000000..80fb073
--- /dev/null
+++ b/ksim/monitors/snmp/snmp.cpp
@@ -0,0 +1,320 @@
+/* This file is part of the KDE project
+   Copyright (C) 2003 Simon Hausmann <hausmann@kde.org>
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; see the file COPYING.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+*/
+
+#include "config.h"
+#include "snmp.h"
+#include "snmp_p.h"
+#include "snmplib.h"
+#include "value_p.h"
+
+#include <qmutex.h>
+
+#include <assert.h>
+
+using namespace KSim::Snmp;
+
+static const struct EnumStringMapInfo
+{
+    const int enumValue;
+    const char *stringValue;
+    const char snmpLibConstant;
+} snmpVersionStrings[ 4 ] = {
+    { SnmpVersion1, "1", SNMP_VERSION_1 },
+    { SnmpVersion2c, "2c", SNMP_VERSION_2c },
+    { SnmpVersion3, "3", SNMP_VERSION_3 },
+    { 0, 0, 0 }
+}, securityLevelStrings[ 4 ] = {
+    { NoAuthPriv, "NoAuthPriv", SNMP_SEC_LEVEL_NOAUTH },
+    { AuthNoPriv, "AuthNoPriv", SNMP_SEC_LEVEL_AUTHNOPRIV },
+    { AuthPriv, "AuthPriv", SNMP_SEC_LEVEL_AUTHPRIV },
+    { 0, 0, 0 }
+}, authenticationProtocolStrings[ 3 ] = {
+    { MD5Auth, "MD5", 0 },
+    { SHA1Auth, "SHA1", 0 },
+    { 0, 0, 0 }
+}, privacyProtocolStrings[ 2 ] = {
+    { DESPrivacy, "DES", 0 },
+    { 0, 0, 0 }
+};
+
+static QStringList allStrings( const EnumStringMapInfo *array )
+{
+    QStringList result;
+    for ( uint i = 0; array[ i ].stringValue; ++i )
+        result << QString::fromLatin1( array[ i ].stringValue );
+    return result;
+}
+
+static QString enumToString( const EnumStringMapInfo *array, int value )
+{
+    for ( uint i = 0; array[ i ].stringValue; ++i )
+        if ( array[ i ].enumValue == value )
+            return QString::fromLatin1( array[ i ].stringValue );
+
+    assert( false );
+    return QString::null;
+}
+
+static int stringToEnum( const EnumStringMapInfo *array, QString string, bool *ok )
+{
+    string = string.lower();
+    uint i;
+    for ( i = 0; array[ i ].stringValue; ++i )
+        if ( QString::fromLatin1( array[ i ].stringValue ).lower() == string ) {
+            if ( ok ) *ok = true;
+            return array[ i ].enumValue;
+        }
+
+    if ( ok )
+        *ok = false;
+
+    // something..
+    return array[ 0 ].enumValue;
+}
+
+static int extractSnmpLibConstant( const EnumStringMapInfo *array, int enumValue )
+{
+    for ( uint i = 0; array[ i ].stringValue; ++i )
+        if ( array[ i ].enumValue == enumValue )
+            return array[ i ].snmpLibConstant;
+
+    assert( false );
+    return 0;
+}
+
+int KSim::Snmp::snmpVersionToSnmpLibConstant( SnmpVersion version )
+{
+    return extractSnmpLibConstant( snmpVersionStrings, version );
+}
+
+int KSim::Snmp::snmpSecurityLevelToSnmpLibConstant( SecurityLevel secLevel )
+{
+    return extractSnmpLibConstant( securityLevelStrings, secLevel );
+}
+
+QStringList KSim::Snmp::allSnmpVersions()
+{
+    return allStrings( snmpVersionStrings );
+}
+
+QString KSim::Snmp::snmpVersionToString( SnmpVersion version )
+{
+    return enumToString( snmpVersionStrings, version );
+}
+
+SnmpVersion KSim::Snmp::stringToSnmpVersion( QString string, bool *ok )
+{
+    return static_cast<SnmpVersion>( stringToEnum( snmpVersionStrings, string, ok ) );
+}
+
+QStringList KSim::Snmp::allSecurityLevels()
+{
+    return allStrings( securityLevelStrings );
+}
+
+QString KSim::Snmp::securityLevelToString( SecurityLevel level )
+{
+    return enumToString( securityLevelStrings, level );
+}
+
+SecurityLevel KSim::Snmp::stringToSecurityLevel( QString string, bool *ok )
+{
+    return static_cast<SecurityLevel>( stringToEnum( securityLevelStrings, string, ok ) );
+}
+
+QStringList KSim::Snmp::allAuthenticationProtocols()
+{
+    return allStrings( authenticationProtocolStrings );
+}
+
+QString KSim::Snmp::authenticationProtocolToString( AuthenticationProtocol proto )
+{
+    return enumToString( authenticationProtocolStrings, proto );
+}
+
+AuthenticationProtocol KSim::Snmp::stringToAuthenticationProtocol( QString string, bool *ok )
+{
+    return static_cast<AuthenticationProtocol>( stringToEnum( authenticationProtocolStrings, string, ok ) );
+}
+
+QStringList KSim::Snmp::allPrivacyProtocols()
+{
+    return allStrings( privacyProtocolStrings );
+}
+
+QString KSim::Snmp::privacyProtocolToString( PrivacyProtocol proto )
+{
+    return enumToString( privacyProtocolStrings, proto );
+}
+
+PrivacyProtocol KSim::Snmp::stringToPrivacyProtocol( QString string, bool *ok )
+{
+    return static_cast<PrivacyProtocol>( stringToEnum( privacyProtocolStrings, string, ok ) );
+}
+
+// I'm afraid of them changing the order in the error constants or the like, hence the
+// slow list instead of a fast lookup table
+static const struct ErrorMapInfo
+{
+    int errorCode;
+    ErrorInfo::ErrorType enumValue;
+} errorMap[] = 
+{
+    // API Errors
+    { SNMPERR_GENERR, ErrorInfo::ErrGeneric },
+    { SNMPERR_BAD_LOCPORT, ErrorInfo::ErrInvalidLocalPort },
+    { SNMPERR_BAD_ADDRESS, ErrorInfo::ErrUnknownHost },
+    { SNMPERR_BAD_SESSION, ErrorInfo::ErrUnknownSession },
+    { SNMPERR_TOO_LONG, ErrorInfo::ErrTooLong },
+    { SNMPERR_NO_SOCKET, ErrorInfo::ErrNoSocket },
+    { SNMPERR_V2_IN_V1, ErrorInfo::ErrCannotSendV2PDUOnV1Session },
+    { SNMPERR_V1_IN_V2, ErrorInfo::ErrCannotSendV1PDUOnV2Session },
+    { SNMPERR_BAD_REPEATERS, ErrorInfo::ErrBadValueForNonRepeaters },
+    { SNMPERR_BAD_REPETITIONS, ErrorInfo::ErrBadValueForMaxRepetitions },
+    { SNMPERR_BAD_ASN1_BUILD, ErrorInfo::ErrBuildingASN1Representation },
+    { SNMPERR_BAD_SENDTO, ErrorInfo::ErrFailureInSendto },
+    { SNMPERR_BAD_PARSE, ErrorInfo::ErrBadParseOfASN1Type },
+    { SNMPERR_BAD_VERSION, ErrorInfo::ErrBadVersion },
+    { SNMPERR_BAD_SRC_PARTY, ErrorInfo::ErrBadSourceParty },
+    { SNMPERR_BAD_DST_PARTY, ErrorInfo::ErrBadDestinationParty },
+    { SNMPERR_BAD_CONTEXT, ErrorInfo::ErrBadContext },
+    { SNMPERR_BAD_COMMUNITY, ErrorInfo::ErrBadCommunity },
+    { SNMPERR_NOAUTH_DESPRIV, ErrorInfo::ErrCannotSendNoAuthDesPriv },
+    { SNMPERR_BAD_ACL, ErrorInfo::ErrBadACL },
+    { SNMPERR_BAD_PARTY, ErrorInfo::ErrBadParty },
+    { SNMPERR_ABORT, ErrorInfo::ErrSessionAbortFailure },
+    { SNMPERR_UNKNOWN_PDU, ErrorInfo::ErrUnknownPDU },
+    { SNMPERR_TIMEOUT, ErrorInfo::ErrTimeout },
+    { SNMPERR_BAD_RECVFROM, ErrorInfo::ErrFailureInRecvfrom },
+    { SNMPERR_BAD_ENG_ID, ErrorInfo::ErrUnableToDetermineContextEngineID },
+    { SNMPERR_BAD_SEC_NAME, ErrorInfo::ErrNoSecurityName },
+    { SNMPERR_BAD_SEC_LEVEL, ErrorInfo::ErrUnableToDetermineSecurityLevel },
+    { SNMPERR_ASN_PARSE_ERR, ErrorInfo::ErrASN1ParseError },
+    { SNMPERR_UNKNOWN_SEC_MODEL, ErrorInfo::ErrUnknownSecurityModel },
+    { SNMPERR_INVALID_MSG, ErrorInfo::ErrInvalidMessage },
+    { SNMPERR_UNKNOWN_ENG_ID, ErrorInfo::ErrUnknownEngineID },
+    { SNMPERR_UNKNOWN_USER_NAME, ErrorInfo::ErrUnknownUserName },
+    { SNMPERR_UNSUPPORTED_SEC_LEVEL, ErrorInfo::ErrUnsupportedSecurityLevel },
+    { SNMPERR_AUTHENTICATION_FAILURE, ErrorInfo::ErrAuthenticationFailure },
+    { SNMPERR_NOT_IN_TIME_WINDOW, ErrorInfo::ErrNotInTimeWindow },
+    { SNMPERR_DECRYPTION_ERR, ErrorInfo::ErrDecryptionError },
+    { SNMPERR_SC_GENERAL_FAILURE, ErrorInfo::ErrSCAPIGeneralFailure },
+    { SNMPERR_SC_NOT_CONFIGURED, ErrorInfo::ErrSCAPISubSystemNotConfigured },
+    { SNMPERR_KT_NOT_AVAILABLE, ErrorInfo::ErrNoKeyTools },
+    { SNMPERR_UNKNOWN_REPORT, ErrorInfo::ErrUnknownReport },
+    { SNMPERR_USM_GENERICERROR, ErrorInfo::ErrUSMGenericError },
+    { SNMPERR_USM_UNKNOWNSECURITYNAME, ErrorInfo::ErrUSMUnknownSecurityName },
+    { SNMPERR_USM_UNSUPPORTEDSECURITYLEVEL, ErrorInfo::ErrUSMUnsupportedSecurityLevel },
+    { SNMPERR_USM_ENCRYPTIONERROR, ErrorInfo::ErrUSMEncryptionError },
+    { SNMPERR_USM_AUTHENTICATIONFAILURE, ErrorInfo::ErrUSMAuthenticationFailure },
+    { SNMPERR_USM_PARSEERROR, ErrorInfo::ErrUSMParseError },
+    { SNMPERR_USM_UNKNOWNENGINEID, ErrorInfo::ErrUSMUnknownEngineID },
+    { SNMPERR_USM_NOTINTIMEWINDOW, ErrorInfo::ErrUSMNotInTimeWindow },
+    { SNMPERR_USM_DECRYPTIONERROR, ErrorInfo::ErrUSMDecryptionError },
+    { SNMPERR_NOMIB, ErrorInfo::ErrMIBNotInitialized },
+    { SNMPERR_RANGE, ErrorInfo::ErrValueOutOfRange },
+    { SNMPERR_MAX_SUBID, ErrorInfo::ErrSubIdOutOfRange },
+    { SNMPERR_BAD_SUBID, ErrorInfo::ErrBadSubIdInOID },
+    { SNMPERR_LONG_OID, ErrorInfo::ErrOIDTooLong },
+    { SNMPERR_BAD_NAME, ErrorInfo::ErrBadValueName },
+    { SNMPERR_VALUE, ErrorInfo::ErrBadValueNotation },
+    { SNMPERR_UNKNOWN_OBJID, ErrorInfo::ErrUnknownOID },
+    { SNMPERR_NULL_PDU, ErrorInfo::ErrNullPDU },
+    { SNMPERR_NO_VARS, ErrorInfo::ErrMissingVariables },
+    { SNMPERR_VAR_TYPE, ErrorInfo::ErrBadVariableType },
+    { SNMPERR_MALLOC, ErrorInfo::ErrOOM },
+    { SNMPERR_KRB5, ErrorInfo::ErrKerberos },
+
+    // PDU response errors
+    { SNMP_ERR_TOOBIG, ErrorInfo::ErrResponseTooLarge },
+    { SNMP_ERR_NOSUCHNAME, ErrorInfo::ErrNoSuchVariable },
+    { SNMP_ERR_BADVALUE, ErrorInfo::ErrBadValue },
+    { SNMP_ERR_READONLY, ErrorInfo::ErrReadOnly },
+    { SNMP_ERR_GENERR, ErrorInfo::ErrGeneric },
+    { SNMP_ERR_NOACCESS, ErrorInfo::ErrNoAccess },
+    { SNMP_ERR_WRONGTYPE, ErrorInfo::ErrWrongType },
+    { SNMP_ERR_WRONGLENGTH, ErrorInfo::ErrWrongLength },
+    { SNMP_ERR_WRONGENCODING, ErrorInfo::ErrWrongEncoding },
+    { SNMP_ERR_WRONGVALUE, ErrorInfo::ErrWrongValue },
+    { SNMP_ERR_NOCREATION, ErrorInfo::ErrNoCreation },
+    { SNMP_ERR_INCONSISTENTVALUE, ErrorInfo::ErrInconsistentValue },
+    { SNMP_ERR_RESOURCEUNAVAILABLE, ErrorInfo::ErrResourceUnavailable },
+    { SNMP_ERR_COMMITFAILED, ErrorInfo::ErrCommitFailed },
+    { SNMP_ERR_UNDOFAILED, ErrorInfo::ErrUndoFailed },
+    { SNMP_ERR_AUTHORIZATIONERROR, ErrorInfo::ErrAuthorizationFailed },
+    { SNMP_ERR_NOTWRITABLE, ErrorInfo::ErrNotWritable },
+    { SNMP_ERR_INCONSISTENTNAME, ErrorInfo::ErrInconsistentName },
+
+    { SNMPERR_SUCCESS, ErrorInfo::NoError }
+};
+
+ErrorInfo::ErrorType KSim::Snmp::convertSnmpLibErrorToErrorInfo( int error )
+{
+    for ( uint i = 0; errorMap[ i ].errorCode != SNMPERR_SUCCESS; ++i )
+        if ( errorMap[ i ].errorCode == error )
+            return errorMap[ i ].enumValue;
+    return ErrorInfo::ErrUnknown;
+}
+
+int KSim::Snmp::convertErrorInfoToSnmpLibError( ErrorInfo::ErrorType error )
+{
+    for ( uint i = 0; errorMap[ i ].errorCode != SNMPERR_SUCCESS; ++i )
+        if ( errorMap[ i ].enumValue == error )
+            return errorMap[ i ].errorCode;
+    assert( false );
+    return SNMPERR_SUCCESS;
+}
+
+int KSim::Snmp::sessionErrorCode( netsnmp_session &session )
+{
+    int errorCode = 0;
+    SnmpLib::self()->snmp_error( &session, 0, &errorCode, 0 );
+    return errorCode;
+}
+
+static QString messageForErrorCode( int errorCode )
+{
+    if ( errorCode >= SNMPERR_MAX && errorCode <= SNMPERR_GENERR )
+        return QString::fromLatin1( SnmpLib::self()->snmp_api_errstring( errorCode ) );
+    if ( errorCode >= SNMP_ERR_NOERROR && errorCode <= MAX_SNMP_ERR )
+        return QString::fromLatin1( SnmpLib::self()->snmp_errstring( errorCode ) );
+
+    return QString::null;
+}
+
+ErrorInfo::ErrorInfo()
+{
+    m_errorCode = NoError;
+}
+
+ErrorInfo::ErrorInfo( int internalErrorCode )
+{
+    m_errorCode = convertSnmpLibErrorToErrorInfo( internalErrorCode );
+    m_errorMessage = messageForErrorCode( internalErrorCode );
+}
+
+ErrorInfo::ErrorInfo( ErrorType error )
+{
+    m_errorCode = error;
+    if ( error != NoError && error != ErrUnknown )
+        m_errorMessage = messageForErrorCode( convertErrorInfoToSnmpLibError( error ) );
+}
+
+/* vim: et sw=4 ts=4
+ */