int trapapp::run()
{
if ( snmp_.valid() != SNMP_CLASS_SUCCESS) {
cout << "\nASNMP:ERROR:Create session failed: "<<
snmp_.error_string()<< "\n";
return 1;
}
if (address_.get_port() == 0)
address_.set_port(DEF_TRAP_PORT);
target_.set_address( address_); // make a target using the address
//-------[ issue the request, blocked mode ]-----------------------------
cout << "\nASNMP:INFO:SNMP Version " << (target_.get_version()+ 1) << \
" TRAP GENERATOR SAMPLE PROGRAM \nOID: " << oid_.to_string() << "\n";
target_.get_address(address_); // target updates port used
int rc;
const char *name = address_.resolve_hostname(rc);
cout << "Device: " << address_ << " ";
cout << (rc ? "<< did not resolve via gethostbyname() >>" : name) << "\n";
cout << "[ Community=" << community_.to_string() << " ]"<< endl;
if (snmp_.trap( pdu_, target_) == SNMP_CLASS_SUCCESS) {
cout << "Trap was written to network...\n";
}
else {
const char *ptr = snmp_.error_string();
cout << "ASNMP:ERROR: trap command failed reason: " << ptr << endl;
}
cout << "ASNMP:INFO:command completed normally.\n"<< endl;
return 0;
}
void Snmp::check_default_port(UdpTarget& target, unsigned short port)
{
UdpAddress tmp;
target.get_address(tmp);
if (tmp.get_port() == 0) {
tmp.set_port(port);
target.set_address(tmp);
}
}
int getapp::run()
{
//----------[ create a ASNMP session ]-----------------------------------
if ( snmp_.valid() != SNMP_CLASS_SUCCESS) {
cout << "\nASNMP:ERROR:Create session failed: "<<
snmp_.error_string()<< "\n";
return 1;
}
//--------[ build up ASNMP object needed ]-------------------------------
if (address_.get_port() == 0)
address_.set_port(DEF_AGENT_PORT);
target_.set_address( address_); // make a target using the address
//-------[ issue the request, blocked mode ]-----------------------------
cout << "\nASNMP:INFO:SNMP Version " << (target_.get_version()+ 1) << \
" GET SAMPLE PROGRAM \nOID: " << oid_.to_string() << "\n";
target_.get_address(address_); // target updates port used
int rc;
const char *name = address_.resolve_hostname(rc);
cout << "Device: " << address_ << " ";
//FUZZ: disable check_for_lack_ACE_OS
cout << (rc ? "<< did not resolve via gethostbyname() >>" : name) << "\n";
//FUZZ: enable check_for_lack_ACE_OS
cout << "[ Retries=" << target_.get_retry() << " \
Timeout=" << target_.get_timeout() <<" ms " << "Community=" << \
community_.to_string() << " ]"<< endl;
if (snmp_.get( pdu_, target_) == SNMP_CLASS_SUCCESS) {
Vb vb;
// check to see if there are any errors
if (pdu_.get_error_status()) {
cout << "ERROR: agent replied as follows\n";
cout << pdu_.agent_error_reason() << endl;
}
else {
VbIter iter(pdu_);
while (iter.next(vb)) {
cout << "\tOid = " << vb.to_string_oid() << "\n";
cout << "\tValue = " << vb.to_string_value() << "\n";
}
}
}
else {
const char *ptr = snmp_.error_string();
cout << "ASNMP:ERROR: get command failed reason: " << ptr << endl;
}
cout << "\nASNMP:INFO: command completed normally.\n"<< endl;
return 0;
}
int walkapp::run()
{
//----------[ create a ASNMP session ]-----------------------------------
if ( snmp_.valid() != SNMP_CLASS_SUCCESS) {
cout << "\nASNMP:ERROR:Create session failed: "<<
snmp_.error_string()<< "\n";
return 1;
}
//--------[ build up ASNMP object needed ]-------------------------------
if (address_.get_port() == 0)
address_.set_port(DEF_AGENT_PORT);
target_.set_address( address_); // make a target using the address
//-------[ issue the request, blocked mode ]-----------------------------
cout << "\nASNMP:INFO:SNMP Version " << (target_.get_version()+ 1) << \
" WALK SAMPLE PROGRAM \nOID: " << oid_.to_string() << "\n";
target_.get_address(address_); // target updates port used
int rc;
const char *name = address_.resolve_hostname(rc);
cout << "Device: " << address_ << " ";
//FUZZ: disable check_for_lack_ACE_OS
cout << (rc ? "<< did not resolve via gethostbyname() >>" : name) << "\n";
//FUZZ: enable check_for_lack_ACE_OS
cout << "[ Retries=" << target_.get_retry() << " \
Timeout=" << target_.get_timeout() <<" ms " << "Community=" << \
community_.to_string() << " ]"<< endl;
MibIter iter(&snmp_, pdu_, &target_);
char *err_str = 0;
Vb vb;
unsigned ctr = 0;
while (iter.next(vb, err_str)) {
cout << "\tOid = " << vb.to_string_oid() << "\n";
cout << "\tValue = " << vb.to_string_value() << "\n";
ctr++;
}
if (!err_str) {
cout << "ERROR: walk: " << err_str << endl;
return 0;
}
cout << "ASNMP:INFO:command completed normally. ACE Rocks...\n"<< endl;
return 0;
}
// callback : have received a Pdu from the target host with given read comm str
// this is really simplistic, but gives the general idea
int agent_impl::handle_get( Pdu &pdu, UdpTarget &target)
{
ACE_TRACE("agent_impl::handle_get");
OctetStr mgr_rd_str, agent_rd_str;
target.get_read_community(mgr_rd_str); // requster's read community string
tgt_.get_read_community(agent_rd_str); // this agent's read community string
// 1. verify we have a valid read string else drop pdu (no response to caller)
if (mgr_rd_str != agent_rd_str) {
ACE_DEBUG((LM_DEBUG, "agent_impl::handle_get: invalid read community recvd\n"));
return 0;
}
// 2. iterate over each varbind in the pdu, filling providing responses
int fdone = 0;
for (int i = 0; (i < pdu.get_vb_count()) && !fdone; i++) {
Vb vb;
pdu.get_vb(vb, i);
if (get_response(vb)) { // set a value for the oid if we can else
set_error_status(&pdu, SNMP_ERROR_NO_SUCH_NAME); // these ought to be member
set_error_index(&pdu, i); // functions but are not yet...
fdone++; // trigger flag to exit loop early
}
else // failed, return noSuch error
pdu.set_vb(vb, i);
}
// 3. lastly, return the pkt to the caller
return respond(pdu, target);
}
int Snmp::validate_args(const Pdu& pdu, const UdpTarget& target) const
{
// 0. check object status
if (construct_status_ != SNMP_CLASS_SUCCESS)
return construct_status_;
// 1. check args passed
if ( !pdu.valid() || !target.valid() )
return SNMP_INVALID_ARGS;
return 0;
}
int getapp::run()
{
//----------[ create a ASNMP session ]-----------------------------------
if ( snmp_.valid() != SNMP_CLASS_SUCCESS) {
cout << "\nASNMP:ERROR:Create session failed: "<<
snmp_.error_string()<< "\n";
return 1;
}
//--------[ build up ASNMP object needed ]-------------------------------
if (address_.get_port() == 0)
address_.set_port(DEF_AGENT_PORT);
target_.set_address( address_); // make a target using the address
//-------[ issue the request, blocked mode ]-----------------------------
cout << "\nASNMP:INFO:SNMP Version " << (target_.get_version()+ 1) << \
" GET SAMPLE PROGRAM \nOID: " << oid_.to_string() << "\n";
target_.get_address(address_); // target updates port used
int rc;
const char *name = address_.resolve_hostname(rc);
cout << "Device: " << address_ << " ";
//FUZZ: disable check_for_lack_ACE_OS
cout << (rc ? "<< did not resolve via gethostbyname() >>" : name) << "\n";
//FUZZ: enable check_for_lack_ACE_OS
cout << "[ Retries=" << target_.get_retry() << " \
Timeout=" << target_.get_timeout() <<" ms " << "Community=" << \
community_.to_string() << " ]"<< endl;
if (snmp_.get( pdu_, target_, this) != SNMP_CLASS_SUCCESS) {
const char *ptr = snmp_.error_string();
cout << "ASNMP:ERROR: get command failed reason: " << ptr << endl;
} else {
ACE_Reactor::instance()->run_reactor_event_loop();
}
return 0;
}
transaction::transaction(const Pdu& pdu, const UdpTarget& target,
ACE_SOCK_Dgram& io):
result_(0),
wp_(pdu,target), params_(target), session_(io)
{
// last step, convert address (get ride of this once we have merged address
UdpAddress udp;
target.get_address(udp);
// via string conversion "dotted-quad:port"
ACE_INET_Addr tmp(udp);
addr_ = tmp;
reset_receive_buffer(receive_iovec_);
}
wpdu::wpdu(const Pdu& pdu, const UdpTarget& target):
valid_flag_(SNMP_CLASS_INVALID ), comm_len(MAX_COMM_STR_LEN)
{
reset_iov(iovec_);
version_ = target.get_version();
int status;
OctetStr comm_str;
community_name[0] = 0;
snmp_pdu *raw_pdu; // create a raw pdu
raw_pdu = cmu_snmp::pdu_create( (int) pdu.get_type());
if (!raw_pdu) {
valid_flag_ = SNMP_CLASS_RESOURCE_UNAVAIL;
return;
}
raw_pdu->reqid = pdu.get_request_id();
raw_pdu->errstat= (unsigned long) pdu.get_error_status();
raw_pdu->errindex= (unsigned long) pdu.get_error_index();
switch (raw_pdu->command) {
case sNMP_PDU_GET:
case sNMP_PDU_GETNEXT:
target.get_read_community(comm_str);
break;
case sNMP_PDU_SET:
target.get_write_community(comm_str);
break;
case sNMP_PDU_V1TRAP:
target.get_read_community(comm_str);
if (set_trap_info(raw_pdu, pdu)) // will free raw_pdu
return;
break;
case sNMP_PDU_RESPONSE:
break;
default:
ACE_ASSERT(0);
return;
}
if (load_vbs(raw_pdu, pdu)) {
cmu_snmp::free_pdu( raw_pdu);
valid_flag_ = SNMP_CLASS_RESOURCE_UNAVAIL;
return;
}
// TODO: determine how big raw_pdu serializes out to
iovec_.iov_len = target.get_max_pdu_size();
ACE_NEW(iovec_.iov_base, char [iovec_.iov_len]);
// create raw byte stream
// The intermediate integer is to avoid type-punned pointer
// dereferencing.
int out_length = iovec_.iov_len;
status = cmu_snmp::build( raw_pdu,
(unsigned char *)iovec_.iov_base,
&out_length,
target.get_version(),
comm_str.data(),
comm_str.length());
iovec_.iov_len = out_length;
if ( status != 0) {
valid_flag_ = SNMP_ERROR_WRONG_ENCODING;
cmu_snmp::free_pdu( raw_pdu);
return;
}
cmu_snmp::free_pdu( raw_pdu);
valid_flag_ = SNMP_CLASS_SUCCESS;
}