patchdiff2/patchdiff.cpp at master · humeafo/patchdiff2 · GitHub

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Patchdiff2

This program is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License version 2 as

published by the Free Software Foundation.

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. If not, see <http://www.gnu.org/licenses/>.

#include "precomp.hpp"

#include "sig.hpp"

#include "parser.hpp"

#include "patchdiff.hpp"

#include "diff.hpp"

#include "backup.hpp"

#include "display.hpp"

#include "options.hpp"

#include "system.hpp"

extern plugin_t PLUGIN;

extern char *exename;

deng_t * d_engine;

cpu_t patchdiff_cpu;

options_t * d_opt;

static int idaapi init(void)

{

if (!strcmp(inf.procName, "metapc"))

{

if (inf.is_64bit())

patchdiff_cpu = CPU_X8664;

else

patchdiff_cpu = CPU_X8632;

}

else if (!strcmp(inf.procName, "PPC"))

{

patchdiff_cpu = CPU_PPC;

}

else

patchdiff_cpu = CPU_DEFAULT;

d_engine = NULL;

// handle IPC

ipc_init(NULL, 0, 0);

d_opt = options_init();

if (!d_opt)

return PLUGIN_SKIP;

return PLUGIN_OK;

}

static void idaapi term(void)

{

if (d_engine)

{

if (options_save_db(d_opt))

backup_save_results(d_engine);

diff_engine_free(d_engine);

unhook_from_notification_point(HT_UI, ui_callback);

}

ipc_close();

options_close(d_opt);

}

static void run_first_instance()

{

char * file;

slist_t * sl1 = NULL;

slist_t * sl2 = NULL;

int ret;

msg ("\n---------------------------------------------------\n"

"PatchDiff Plugin v2.0.10\n"

"---------------------------------------------------\n\n");

ret = backup_load_results(&d_engine, d_opt);

if (ret == 1)

{

display_results(d_engine);

return;

}

else if (ret == -1)

{

return;

}

show_wait_box ("PatchDiff is in progress ...");

msg ("Scanning for functions ...\n");

msg ("parsing second idb...\n");

sl2 = parse_second_idb(&file, d_opt);

if (!sl2)

{

msg("Error: IDB2 parsing cancelled or failed.\n");

hide_wait_box();

return;

}

msg ("parsing first idb...\n");

sl1 = parse_idb ();

if (!sl1)

{

msg("Error: IDB1 parsing failed.\n");

siglist_free(sl2);

hide_wait_box();

return;

}

msg ("diffing...\n");

generate_diff(&d_engine, sl1, sl2, file, true, d_opt);

msg ("done!\n");

hide_wait_box();

if (sl1) siglist_partial_free(sl1);

if (sl2) siglist_partial_free(sl2);

}

static void run_second_instance(const char * options)

{

slist_t * sl;

char file[QMAXPATH];

ea_t ea = BADADDR;

unsigned char opt = 0;

long id;

unsigned int v;

bool cont;

char tmp[QMAXPATH*4];

qsscanf(options, "%lu:%" PRIea_t ":%u:%s", &id, &ea, &v, file);

opt = (unsigned char)v;

if (id)

{

if (ipc_init(file, 2, id))

{

cont = ipc_recv_cmd(tmp, sizeof(tmp));

if (cont)

{

run_second_instance(tmp);

ipc_recv_cmd_end();

}

}while(cont);

}

else

{

if (ea == BADADDR)

{

sl = parse_idb ();

}

else

sl = parse_fct(ea, opt);

if (!sl) return;

siglist_save(sl, file);

siglist_free(sl);

}

static void idaapi run(int arg)

{

const char * options = NULL;

autoWait();

options = get_plugin_options("patchdiff2");

if (options == NULL)

run_first_instance();

else

run_second_instance(options);

}

char comment[] = "w00t";

char help[] = "A Binary Difference Analysis plugin module\n";

char wanted_name[] = "PatchDiff2";

char wanted_hotkey[] = "Ctrl-8";

plugin_t PLUGIN =

{

IDP_INTERFACE_VERSION,

PLUGIN_MOD | PLUGIN_PROC,

init,

term,

run,

comment,

help,

wanted_name,

wanted_hotkey

};

patchdiff2/patchdiff.cpp at master · humeafo/patchdiff2 · GitHub

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