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Code Issues Releases Wiki Activity

remote debug console

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This commit is contained in:
caheckman 2020-05-15 12:44:49 -04:00
parent 0f0a82b8b1
commit 36c5a5c62b
9 changed files with 201 additions and 47 deletions
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67
Ghidra/Features/Decompiler/src/decompile/cpp/ghidra_process.cc
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@ -17,44 +17,46 @@
#include "flow.hh"
#include "blockaction.hh"
#ifdef OPACTION_DEBUG
#ifdef __REMOTE_SOCKET__
#include "ifacedecomp.hh"
static IfaceStatus *ghidra_dcp = (IfaceStatus *)0;
static RemoteSocket *remote = (RemoteSocket *)0;
void turn_on_debugging(Funcdata *fd)
/// \brief Establish a debug console for decompilation of the given function
///
/// Attempt to connect to a UNIX domain socket and direct the i/o streams to
/// the decompiler console interface. The socket must have been previously established
/// by another process.
/// From the command-line, `nc -l -U /tmp/ghidrasocket` for example.
void connect_to_console(Funcdata *fd)
{
if (ghidra_dcp == (IfaceStatus *)0) {
ghidra_dcp = new IfaceStatus("[ghidradbg]> ",cin,cout);
ghidra_dcp->optr = (ostream *)0;
ghidra_dcp->fileoptr = (ostream *)0;
IfaceCapability::registerAllCommands(ghidra_dcp);
if (remote == (RemoteSocket *)0) {
remote = new RemoteSocket();
if (remote->open("/tmp/ghidrasocket")) {
ghidra_dcp = new IfaceStatus("[ghidradbg]> ",*remote->getInputStream(),*remote->getOutputStream());
IfaceCapability::registerAllCommands(ghidra_dcp);
}
}
// Check if debug script exists
ifstream is("ghidracom.txt");
if (!is) return;
is.close();
if (!remote->isSocketOpen())
return;
IfaceDecompData *decomp_data = (IfaceDecompData *)ghidra_dcp->getData("decompile");
decomp_data->fd = fd;
decomp_data->conf = fd->getArch();
ghidra_dcp->pushScript("ghidracom.txt","ghidradbg> ");
ghidra_dcp->optr = new ofstream("ghidrares.txt");
ghidra_dcp->fileoptr = ghidra_dcp->optr;
decomp_data->conf->setDebugStream(ghidra_dcp->optr);
ostream *oldPrintStream = decomp_data->conf->print->getOutputStream();
bool emitXml = decomp_data->conf->print->emitsXml();
decomp_data->conf->print->setOutputStream(remote->getOutputStream());
decomp_data->conf->print->setXML(false);
ghidra_dcp->reset();
mainloop(ghidra_dcp);
ghidra_dcp->popScript();
}
void turn_off_debugging(Funcdata *fd)
{
if (ghidra_dcp->optr != (ostream *)0) {
delete ghidra_dcp->optr;
ghidra_dcp->optr = (ostream *)0;
}
decomp_data->conf->clearAnalysis(fd);
decomp_data->conf->print->setOutputStream(oldPrintStream);
decomp_data->conf->print->setXML(emitXml);
fd->debugDisable();
decomp_data->conf->allacts.getCurrent()->clearBreakPoints();
}
#endif
@ -213,9 +215,13 @@ void DeregisterProgram::loadParameters(void)
void DeregisterProgram::rawAction(void)
{
#ifdef OPACTION_DEBUG
#ifdef __REMOTE_SOCKET__
if (ghidra_dcp != (IfaceStatus *)0)
delete ghidra_dcp;
if (remote != (RemoteSocket *)0)
delete remote;
ghidra_dcp = (IfaceStatus *)0;
remote = (RemoteSocket *)0;
#endif
if (ghidra != (ArchitectureGhidra *)0) {
res = 1;
@ -284,14 +290,11 @@ void DecompileAt::rawAction(void)
throw LowlevelError(s.str());
}
if (!fd->isProcStarted()) {
#ifdef OPACTION_DEBUG
turn_on_debugging(fd);
#ifdef __REMOTE_SOCKET__
connect_to_console(fd);
#endif
ghidra->allacts.getCurrent()->reset( *fd );
ghidra->allacts.getCurrent()->perform( *fd );
#ifdef OPACTION_DEBUG
turn_off_debugging(fd);
#endif
}
sout.write("\000\000\001\016",4);