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Add sanity check on option parameter

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This commit is contained in:
fredb 2006-03-21 14:43:38 +00:00
parent 2c1234a4c0
commit 1e032d35e0
1 changed files with 9 additions and 10 deletions
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19
src/Main/options.cxx
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@ -1395,15 +1395,14 @@ parse_option (const string& arg)
} else if ( arg.find( "--prop:" ) == 0 ) {
string assign = arg.substr(7);
string::size_type pos = assign.find('=');
if ( pos == arg.npos || pos == 0 ) {
if ( pos == arg.npos || pos == 0 || pos + 1 == assign.size() ) {
SG_LOG( SG_GENERAL, SG_ALERT, "Bad property assignment: " << arg );
return FG_OPTIONS_ERROR;
}
string name = assign.substr(0, pos);
string value = assign.substr(pos + 1);
fgSetString(name.c_str(), value.c_str());
// SG_LOG(SG_GENERAL, SG_INFO, "Setting default value of property "
// << name << " to \"" << value << '"');
return FG_OPTIONS_ERROR;
} else {
string name = assign.substr(0, pos);
string value = assign.substr(pos + 1);
fgSetString(name.c_str(), value.c_str());
}
} else if ( arg.find( "--" ) == 0 ) {
size_t pos = arg.find( '=' );
string arg_name;
@ -1449,7 +1448,7 @@ parse_option (const string& arg)
}
break;
case OPTION_CHANNEL:
if ( pt->has_param && pos != string::npos ) {
if ( pt->has_param && pos != string::npos && pos + 1 < arg.size() ) {
add_channel( pt->option, arg.substr( pos + 1 ) );
} else if ( !pt->has_param && pos == string::npos ) {
add_channel( pt->option, pt->s_param );
@ -1462,7 +1461,7 @@ parse_option (const string& arg)
}
break;
case OPTION_FUNC:
if ( pt->has_param && pos != string::npos ) {
if ( pt->has_param && pos != string::npos && pos + 1 < arg.size() ) {
return pt->func( arg.substr( pos + 1 ).c_str() );
} else if ( !pt->has_param && pos == string::npos ) {
return pt->func( 0 );