patchdiff2/system.cpp at master · IDA-RE-things/patchdiff2 · GitHub

History

280 lines (206 loc) · 6.28 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

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 "system.hpp"

#include "options.hpp"

#include "os.hpp"

// global variable to keep IPC state

ipc_config_t ipcc;

/*------------------------------------------------*/

/* function : generate_idc_file */

/* description: generates an idc file to launch */

/* second plugin instance in batch */

/* mode */

/*------------------------------------------------*/

static int generate_idc_file(char * file)

{

FILE * fp;

fp = qfopen(file, "w+");

if (!fp) return -1;

qfwrite(fp, PATCHDIFF_IDC, strlen(PATCHDIFF_IDC));

qfclose(fp);

return 0;

}

/*------------------------------------------------*/

/* function : system_execute_second_instance */

/* description: Executes another IDA instance */

/*------------------------------------------------*/

static int system_execute_second_instance(char * idc, ea_t ea, char * file, bool close, long id, void * data)

{

char path[QMAXPATH*4];

char cmd[QMAXPATH*4];

if (!getsysfile(path, sizeof(path), IDA_EXEC, NULL))

return -1;

if (generate_idc_file(idc))

return -1;

qsnprintf(cmd, sizeof(cmd), "\"%s\" -A -S\"%s\" -Opatchdiff2:%ld:%" PRIea_t ":%u:\"%s\" \"%s\"",

path,

idc,

id,

ea,

dto.graph.s_showpref,

idc,

file

);

return os_execute_command(cmd, close, data);

}

/*------------------------------------------------*/

/* function : ipc_init */

/* description: Inits interprocess communication */

/* between 2 IDA instances */

/*------------------------------------------------*/

bool ipc_init(char * file, int type, long id)

{

bool ret;

long pid;

char tmpname[QMAXPATH];

if (type == 0)

{

ipcc.init = false;

ipcc.data = NULL;

}

else if (!ipcc.init)

{

if (type == 1)

{

pid = os_get_pid();

ret = os_ipc_init(&ipcc.data, pid, IPC_SERVER);

if (!ret)

return false;

os_tempnam(tmpname, sizeof(tmpname), ".idc");

if (system_execute_second_instance(tmpname, BADADDR, file, false, pid, ipcc.data) != 0)

{

ipc_close();

return false;

}

else

{

ret = os_ipc_init(&ipcc.data, id, IPC_CLIENT);

if (!ret)

return false;

}

ipcc.init = true;

}

return true;

}

/*------------------------------------------------*/

/* function : ipc_close */

/* description: Closes interprocess communication */

/* between 2 IDA instances */

/*------------------------------------------------*/

void ipc_close()

{

if (!ipcc.init) return;

os_ipc_close(ipcc.data);

ipcc.data = NULL;

ipcc.init = false;

}

/*------------------------------------------------*/

/* function : ipc_send_cmd */

/* description: Executes command on the remote */

/* IDA instance */

/*------------------------------------------------*/

static bool ipc_send_cmd(char * cmd)

{

idata_t d;

d.cmd = IPC_DATA;

qstrncpy(d.data, cmd, sizeof(d.data));

if (!os_ipc_send(ipcc.data, IPC_SERVER, &d))

return false;

if (!os_ipc_recv(ipcc.data, IPC_SERVER, &d) || d.cmd != IPC_DONE)

return false;

return true;

}

/*------------------------------------------------*/

/* function : ipc_recv_cmd */

/* description: Receives command to execute */

/*------------------------------------------------*/

bool ipc_recv_cmd(char * buf, size_t blen)

{

bool ret;

idata_t d;

size_t len;

memset(d.data, '\0', sizeof(d.data));

ret = os_ipc_recv(ipcc.data, IPC_CLIENT, &d);

if (!ret)

return false;

if (d.cmd != IPC_DATA)

return false;

len = strlen(d.data) + 1;

if (len > blen)

len = blen;

memcpy(buf, d.data, len);

return true;

}

/*------------------------------------------------*/

/* function : ipc_recv_cmd_end */

/* description: Acknowledges end of command */

/*------------------------------------------------*/

bool ipc_recv_cmd_end()

{

idata_t d;

d.cmd = IPC_DONE;

return os_ipc_send(ipcc.data, IPC_CLIENT, &d);

}

/*------------------------------------------------*/

/* function : ipc_execute_second_instance */

/* description: Sends command to the second IDA */

/* instance */

/*------------------------------------------------*/

static void ipc_execute_second_instance(char * idc, ea_t ea, char * file)

{

char cmd[QMAXPATH*4];

if (!ipc_init(file, 1, 0))

return;

qsnprintf(cmd, sizeof(cmd), "%u:%" PRIea_t ":%u:%s",

ea,

dto.graph.s_showpref,

idc

);

ipc_send_cmd(cmd);

}

/*------------------------------------------------*/

/* function : system_parse_idb */

/* description: generates a list of signatures for*/

/* another idb */

/*------------------------------------------------*/

slist_t * system_parse_idb(ea_t ea, char * file, options_t * opt)

{

slist_t * sl = NULL;

char tmpname[QMAXPATH];

os_tempnam(tmpname, sizeof(tmpname), ".idc");

if (!options_use_ipc(opt))

system_execute_second_instance(tmpname, ea, file, true, 0, NULL);

else

ipc_execute_second_instance(tmpname, ea, file);

sl = siglist_load(tmpname);

os_unlink(tmpname);

return sl;

}

/*------------------------------------------------*/

/* function : system_get_pref */

/* description: Gets global system preference */

/*------------------------------------------------*/

bool system_get_pref(const char *name, void * data, int type)

{

if (type == SPREF_INT)

{

return os_get_pref_int(name, (int *)data);

}

return false;

}

patchdiff2/system.cpp at master · IDA-RE-things/patchdiff2 · GitHub

Expand file tree

Breadcrumbs

system.cpp

Latest commit

History

Breadcrumbs

system.cpp

File metadata and controls