/mandos/release : revision 24.1.62

21

* Contact the authors at <mandos@fukt.bsnet.se>.

22

*/

23

24

#define _GNU_SOURCE /* TEMP_FAILURE_RETRY() */

25

24

#define _GNU_SOURCE /* TEMP_FAILURE_RETRY(), getline(),

25

asprintf() */

26

#include <stddef.h> /* size_t, NULL */

27

#include <stdlib.h> /* malloc(), exit(), EXIT_FAILURE,

28

EXIT_SUCCESS, realloc() */

51

close() */

52

#include <fcntl.h> /* fcntl(), F_GETFD, F_SETFD,

53

FD_CLOEXEC */

54

#include <string.h> /* strtok, strlen(), strcpy(),

55

strcat() */

54

#include <string.h> /* strsep, strlen(), asprintf() */

56

55

#include <errno.h> /* errno */

57

56

#include <argp.h> /* struct argp_option, struct

58

57

argp_state, struct argp,

65

64

#include <errno.h> /* errno, EBADF */

66

65

67

66

#define BUFFER_SIZE 256

67

#define ARGFILE "/conf/conf.d/mandos/plugin-runner.conf"

68

69

const char *argp_program_version = "mandos-client 1.0";

69

const char *argp_program_version = "plugin-runner 1.0";

70

const char *argp_program_bug_address = "<mandos@fukt.bsnet.se>";

71

72

struct process;

87

char *name; /* can be NULL or any plugin name */

88

char **argv;

89

int argc;

90

char **environ;

91

int envc;

90

92

bool disabled;

91

93

struct plugin *next;

92

94

} plugin;

101

103

/* Create a new plugin */

102

104

plugin *new_plugin = malloc(sizeof(plugin));

103

105

if (new_plugin == NULL){

104

perror("malloc");

105

exit(EXIT_FAILURE);

106

}

107

new_plugin->name = name;

106

return NULL;

107

}

108

char *copy_name = NULL;

109

if(name != NULL){

110

copy_name = strdup(name);

111

}

112

if(copy_name == NULL){

113

return NULL;

114

}

115

116

*new_plugin = (plugin) { .name = copy_name,

117

.argc = 1,

118

.envc = 0,

119

.disabled = false,

120

.next = *plugin_list };

121

108

122

new_plugin->argv = malloc(sizeof(char *) * 2);

109

123

if (new_plugin->argv == NULL){

110

perror("malloc");

111

exit(EXIT_FAILURE);

124

free(copy_name);

125

free(new_plugin);

126

return NULL;

112

127

}

113

new_plugin->argv[0] = name;

128

new_plugin->argv[0] = copy_name;

114

129

new_plugin->argv[1] = NULL;

115

new_plugin->argc = 1;

116

new_plugin->disabled = false;

117

new_plugin->next = *plugin_list;

130

131

new_plugin->environ = malloc(sizeof(char *));

132

if(new_plugin->environ == NULL){

133

free(copy_name);

134

free(new_plugin->argv);

135

free(new_plugin);

136

return NULL;

137

}

138

new_plugin->environ[0] = NULL;

118

139

/* Append the new plugin to the list */

119

140

*plugin_list = new_plugin;

120

141

return new_plugin;

121

142

}

122

143

123

static void addargument(plugin *p, char *arg){

124

p->argv[p->argc] = arg;

125

p->argv = realloc(p->argv, sizeof(char *) * (size_t)(p->argc + 2));

126

if (p->argv == NULL){

127

perror("malloc");

128

exit(EXIT_FAILURE);

129

}

130

p->argc++;

131

p->argv[p->argc] = NULL;

132

}

144

/* Helper function for add_argument and add_environment */

145

static bool add_to_char_array(const char *new, char ***array,

146

int *len){

147

/* Resize the pointed-to array to hold one more pointer */

148

*array = realloc(*array, sizeof(char *)

149

* (size_t) ((*len) + 2));

150

/* Malloc check */

151

if(*array == NULL){

152

return false;

153

}

154

/* Make a copy of the new string */

155

char *copy = strdup(new);

156

if(copy == NULL){

157

return false;

158

}

159

/* Insert the copy */

160

(*array)[*len] = copy;

161

(*len)++;

162

/* Add a new terminating NULL pointer to the last element */

163

(*array)[*len] = NULL;

164

return true;

165

}

166

167

/* Add to a plugin's argument vector */

168

static bool add_argument(plugin *p, const char *arg){

169

if(p == NULL){

170

return false;

171

}

172

return add_to_char_array(arg, &(p->argv), &(p->argc));

173

}

174

175

/* Add to a plugin's environment */

176

static bool add_environment(plugin *p, const char *def){

177

if(p == NULL){

178

return false;

179

}

180

return add_to_char_array(def, &(p->environ), &(p->envc));

181

}

182

133

183

134

184

/*

135

185

* Based on the example in the GNU LibC manual chapter 13.13 "File

170

220

proc->completed = true;

171

221

}

172

222

223

bool print_out_password(const char *buffer, size_t length){

224

ssize_t ret;

225

if(length>0 and buffer[length-1] == '\n'){

226

length--;

227

}

228

for(size_t written = 0; written < length; written += (size_t)ret){

229

ret = TEMP_FAILURE_RETRY(write(STDOUT_FILENO, buffer + written,

230

length - written));

231

if(ret < 0){

232

return false;

233

}

234

}

235

return true;

236

}

237

238

char **add_to_argv(char **argv, int *argc, char *arg){

239

if (argv == NULL){

240

*argc = 1;

241

argv = malloc(sizeof(char*) * 2);

242

if(argv == NULL){

243

return NULL;

244

}

245

argv[0] = NULL; /* Will be set to argv[0] in main before parsing */

246

argv[1] = NULL;

247

}

248

*argc += 1;

249

argv = realloc(argv, sizeof(char *)

250

* ((unsigned int) *argc + 1));

251

if(argv == NULL){

252

return NULL;

253

}

254

argv[*argc-1] = arg;

255

argv[*argc] = NULL;

256

return argv;

257

}

258

259

static void free_plugin_list(plugin *plugin_list){

260

for(plugin *next = plugin_list; plugin_list != NULL; plugin_list = next){

261

next = plugin_list->next;

262

free(plugin_list->name);

263

for(char **arg = plugin_list->argv; *arg != NULL; arg++){

264

free(*arg);

265

}

266

free(plugin_list->argv);

267

for(char **env = plugin_list->environ; *env != NULL; env++){

268

free(*env);

269

}

270

free(plugin_list->environ);

271

free(plugin_list);

272

}

273

}

274

173

275

int main(int argc, char *argv[]){

174

const char *plugindir = "/conf/conf.d/mandos/plugins.d";

276

const char *plugindir = "/lib/mandos/plugins.d";

277

const char *argfile = ARGFILE;

278

FILE *conffp;

175

279

size_t d_name_len;

176

280

DIR *dir = NULL;

177

281

struct dirent *dirst;

185

289

struct sigaction old_sigchld_action;

186

290

struct sigaction sigchld_action = { .sa_handler = handle_sigchld,

187

291

.sa_flags = SA_NOCLDSTOP };

188

char *plus_options = NULL;

189

char **plus_argv = NULL;

292

char **custom_argv = NULL;

293

int custom_argc = 0;

190

294

191

295

/* Establish a signal handler */

192

296

sigemptyset(&sigchld_action.sa_mask);

193

297

ret = sigaddset(&sigchld_action.sa_mask, SIGCHLD);

194

if(ret < 0){

298

if(ret == -1){

195

299

perror("sigaddset");

196

exit(EXIT_FAILURE);

300

exitstatus = EXIT_FAILURE;

301

goto fallback;

197

302

}

198

303

ret = sigaction(SIGCHLD, &sigchld_action, &old_sigchld_action);

199

if(ret < 0){

304

if(ret == -1){

200

305

perror("sigaction");

201

exit(EXIT_FAILURE);

306

exitstatus = EXIT_FAILURE;

307

goto fallback;

202

308

}

203

309

204

310

/* The options we understand. */

206

312

{ .name = "global-options", .key = 'g',

207

313

.arg = "OPTION[,OPTION[,...]]",

208

314

.doc = "Options passed to all plugins" },

315

{ .name = "global-envs", .key = 'e',

316

.arg = "VAR=value",

317

.doc = "Environment variable passed to all plugins" },

209

318

{ .name = "options-for", .key = 'o',

210

319

.arg = "PLUGIN:OPTION[,OPTION[,...]]",

211

320

.doc = "Options passed only to specified plugin" },

321

{ .name = "envs-for", .key = 'f',

322

.arg = "PLUGIN:ENV=value",

323

.doc = "Environment variable passed to specified plugin" },

212

324

{ .name = "disable", .key = 'd',

213

325

.arg = "PLUGIN",

214

326

.doc = "Disable a specific plugin", .group = 1 },

233

345

switch (key) {

234

346

case 'g':

235

347

if (arg != NULL){

236

char *p = strtok(arg, ",");

237

do{

238

addargument(getplugin(NULL, plugins), p);

239

p = strtok(NULL, ",");

240

} while (p != NULL);

348

char *p;

349

while((p = strsep(&arg, ",")) != NULL){

350

if(p[0] == '\0'){

351

continue;

352

}

353

if(not add_argument(getplugin(NULL, plugins), p)){

354

perror("add_argument");

355

return ARGP_ERR_UNKNOWN;

356

}

357

}

358

}

359

break;

360

case 'e':

361

if(arg == NULL){

362

break;

363

}

364

{

365

char *envdef = strdup(arg);

366

if(envdef == NULL){

367

break;

368

}

369

if(not add_environment(getplugin(NULL, plugins), envdef)){

370

perror("add_environment");

371

}

241

372

}

242

373

break;

243

374

case 'o':

244

375

if (arg != NULL){

245

char *name = strtok(arg, ":");

246

char *p = strtok(NULL, ":");

247

if(p != NULL){

248

p = strtok(p, ",");

249

do{

250

addargument(getplugin(name, plugins), p);

251

p = strtok(NULL, ",");

252

} while (p != NULL);

376

char *p_name = strsep(&arg, ":");

377

if(p_name[0] == '\0'){

378

break;

379

}

380

char *opt = strsep(&arg, ":");

381

if(opt[0] == '\0'){

382

break;

383

}

384

if(opt != NULL){

385

char *p;

386

while((p = strsep(&opt, ",")) != NULL){

387

if(p[0] == '\0'){

388

continue;

389

}

390

if(not add_argument(getplugin(p_name, plugins), p)){

391

perror("add_argument");

392

return ARGP_ERR_UNKNOWN;

393

}

394

}

395

}

396

}

397

break;

398

case 'f':

399

if(arg == NULL){

400

break;

401

}

402

{

403

char *envdef = strchr(arg, ':');

404

if(envdef == NULL){

405

break;

406

}

407

char *p_name = strndup(arg, (size_t) (envdef-arg));

408

if(p_name == NULL){

409

break;

410

}

411

envdef++;

412

if(not add_environment(getplugin(p_name, plugins), envdef)){

413

perror("add_environment");

253

414

}

254

415

}

255

416

break;

256

417

case 'd':

257

418

if (arg != NULL){

258

getplugin(arg, plugins)->disabled = true;

419

plugin *p = getplugin(arg, plugins);

420

if(p == NULL){

421

return ARGP_ERR_UNKNOWN;

422

}

423

p->disabled = true;

259

424

}

260

425

break;

261

426

case 128:

271

436

debug = true;

272

437

break;

273

438

case ARGP_KEY_ARG:

274

if(plus_options != NULL or arg == NULL or arg[0] != '+'){

275

argp_usage (state);

276

}

277

plus_options = arg;

439

fprintf(stderr, "Ignoring unknown argument \"%s\"\n", arg);

278

440

break;

279

441

case ARGP_KEY_END:

280

442

break;

292

454

293

455

ret = argp_parse (&argp, argc, argv, 0, 0, &plugin_list);

294

456

if (ret == ARGP_ERR_UNKNOWN){

295

fprintf(stderr, "Unkown error while parsing arguments\n");

457

fprintf(stderr, "Unknown error while parsing arguments\n");

296

458

exitstatus = EXIT_FAILURE;

297

goto end;

459

goto fallback;

298

460

}

299

300

if(plus_options){

301

/* This is a mangled argument in the form of

302

"+--option+--other-option=parameter+--yet-another-option", etc */

303

/* Make new argc and argv vars, and call argp_parse() again. */

304

plus_options++; /* skip the first '+' character */

305

const char delims[] = "+";

306

char *arg;

307

int new_argc = 1;

308

plus_argv = malloc(sizeof(char*) * 2);

309

if(plus_argv == NULL){

310

perror("malloc");

461

462

conffp = fopen(argfile, "r");

463

if(conffp != NULL){

464

char *org_line = NULL;

465

char *p, *arg, *new_arg, *line;

466

size_t size = 0;

467

ssize_t sret;

468

const char whitespace_delims[] = " \r\t\f\v\n";

469

const char comment_delim[] = "#";

470

471

while(true){

472

sret = getline(&org_line, &size, conffp);

473

if(sret == -1){

474

break;

475

}

476

477

line = org_line;

478

arg = strsep(&line, comment_delim);

479

while((p = strsep(&arg, whitespace_delims)) != NULL){

480

if(p[0] == '\0'){

481

continue;

482

}

483

new_arg = strdup(p);

484

custom_argv = add_to_argv(custom_argv, &custom_argc, new_arg);

485

if (custom_argv == NULL){

486

perror("add_to_argv");

487

exitstatus = EXIT_FAILURE;

488

goto fallback;

489

}

490

}

491

}

492

free(org_line);

493

} else{

494

/* Check for harmful errors and go to fallback. Other errors might

495

not affect opening plugins */

496

if (errno == EMFILE or errno == ENFILE or errno == ENOMEM){

497

perror("fopen");

311

498

exitstatus = EXIT_FAILURE;

312

goto end;

313

}

314

plus_argv[0] = argv[0];

315

plus_argv[1] = NULL;

316

arg = strtok(plus_options, delims); /* Get first argument */

317

while(arg != NULL){

318

new_argc++;

319

plus_argv = realloc(plus_argv, sizeof(char *)

320

* ((unsigned int) new_argc + 1));

321

if(plus_argv == NULL){

322

perror("realloc");

323

exitstatus = EXIT_FAILURE;

324

goto end;

325

}

326

plus_argv[new_argc-1] = arg;

327

plus_argv[new_argc] = NULL;

328

arg = strtok(NULL, delims); /* Get next argument */

329

}

330

ret = argp_parse (&argp, new_argc, plus_argv, 0, 0, &plugin_list);

499

goto fallback;

500

}

501

}

502

503

if(custom_argv != NULL){

504

custom_argv[0] = argv[0];

505

ret = argp_parse (&argp, custom_argc, custom_argv, 0, 0, &plugin_list);

331

506

if (ret == ARGP_ERR_UNKNOWN){

332

fprintf(stderr, "Unkown error while parsing arguments\n");

507

fprintf(stderr, "Unknown error while parsing arguments\n");

333

508

exitstatus = EXIT_FAILURE;

334

goto end;

509

goto fallback;

335

510

}

336

511

}

337

512

342

517

for(char **a = p->argv; *a != NULL; a++){

343

518

fprintf(stderr, "\tArg: %s\n", *a);

344

519

}

520

fprintf(stderr, "...and %u environment variables\n", p->envc);

521

for(char **a = p->environ; *a != NULL; a++){

522

fprintf(stderr, "\t%s\n", *a);

523

}

345

524

}

346

525

}

347

526

359

538

if(dir == NULL){

360

539

perror("Could not open plugin dir");

361

540

exitstatus = EXIT_FAILURE;

362

goto end;

541

goto fallback;

363

542

}

364

543

365

544

/* Set the FD_CLOEXEC flag on the directory, if possible */

370

549

if(ret < 0){

371

550

perror("set_cloexec_flag");

372

551

exitstatus = EXIT_FAILURE;

373

goto end;

552

goto fallback;

374

553

}

375

554

}

376

555

}

385

564

if (errno == EBADF){

386

565

perror("readdir");

387

566

exitstatus = EXIT_FAILURE;

388

goto end;

567

goto fallback;

389

568

}

390

569

break;

391

570

}

436

615

continue;

437

616

}

438

617

}

439

440

char *filename = malloc(d_name_len + strlen(plugindir) + 2);

441

if (filename == NULL){

442

perror("malloc");

443

exitstatus = EXIT_FAILURE;

444

goto end;

618

619

char *filename;

620

ret = asprintf(&filename, "%s/%s", plugindir, dirst->d_name);

621

if(ret < 0){

622

perror("asprintf");

623

continue;

445

624

}

446

strcpy(filename, plugindir); /* Spurious warning */

447

strcat(filename, "/"); /* Spurious warning */

448

strcat(filename, dirst->d_name); /* Spurious warning */

449

625

450

626

ret = stat(filename, &st);

451

627

if (ret == -1){

452

628

perror("stat");

453

exitstatus = EXIT_FAILURE;

454

goto end;

629

free(filename);

630

continue;

455

631

}

456

632

457

633

if (not S_ISREG(st.st_mode) or (access(filename, X_OK) != 0)){

462

638

free(filename);

463

639

continue;

464

640

}

465

if(getplugin(dirst->d_name, &plugin_list)->disabled){

641

plugin *p = getplugin(dirst->d_name, &plugin_list);

642

if(p == NULL){

643

perror("getplugin");

644

free(filename);

645

continue;

646

}

647

if(p->disabled){

466

648

if(debug){

467

649

fprintf(stderr, "Ignoring disabled plugin \"%s\"\n",

468

650

dirst->d_name);

470

652

free(filename);

471

653

continue;

472

654

}

473

plugin *p = getplugin(dirst->d_name, &plugin_list);

474

655

{

475

656

/* Add global arguments to argument list for this plugin */

476

657

plugin *g = getplugin(NULL, &plugin_list);

477

for(char **a = g->argv + 1; *a != NULL; a++){

478

addargument(p, *a);

479

}

480

}

658

if(g != NULL){

659

for(char **a = g->argv + 1; *a != NULL; a++){

660

if(not add_argument(p, *a)){

661

perror("add_argument");

662

}

663

}

664

/* Add global environment variables */

665

for(char **e = g->environ; *e != NULL; e++){

666

if(not add_environment(p, *e)){

667

perror("add_environment");

668

}

669

}

670

}

671

}

672

/* If this plugin has any environment variables, we will call

673

using execve and need to duplicate the environment from this

674

process, too. */

675

if(p->environ[0] != NULL){

676

for(char **e = environ; *e != NULL; e++){

677

char *copy = strdup(*e);

678

if(copy == NULL){

679

perror("strdup");

680

continue;

681

}

682

if(not add_environment(p, copy)){

683

perror("add_environment");

684

}

685

}

686

}

687

481

688

int pipefd[2];

482

689

ret = pipe(pipefd);

483

690

if (ret == -1){

484

691

perror("pipe");

485

692

exitstatus = EXIT_FAILURE;

486

goto end;

693

goto fallback;

487

694

}

488

695

ret = set_cloexec_flag(pipefd[0]);

489

696

if(ret < 0){

490

697

perror("set_cloexec_flag");

491

698

exitstatus = EXIT_FAILURE;

492

goto end;

699

goto fallback;

493

700

}

494

701

ret = set_cloexec_flag(pipefd[1]);

495

702

if(ret < 0){

496

703

perror("set_cloexec_flag");

497

704

exitstatus = EXIT_FAILURE;

498

goto end;

705

goto fallback;

499

706

}

500

707

/* Block SIGCHLD until process is safely in process list */

501

708

ret = sigprocmask (SIG_BLOCK, &sigchld_action.sa_mask, NULL);

502

709

if(ret < 0){

503

710

perror("sigprocmask");

504

711

exitstatus = EXIT_FAILURE;

505

goto end;

712

goto fallback;

506

713

}

507

714

// Starting a new process to be watched

508

715

pid_t pid = fork();

716

if(pid == -1){

717

perror("fork");

718

exitstatus = EXIT_FAILURE;

719

goto fallback;

720

}

509

721

if(pid == 0){

510

722

/* this is the child process */

511

723

ret = sigaction(SIGCHLD, &old_sigchld_action, NULL);

530

742

above and must now close it manually here. */

531

743

closedir(dir);

532

744

}

533

if(execv(filename, p->argv) < 0){

534

perror("execv");

535

_exit(EXIT_FAILURE);

745

if(p->environ[0] == NULL){

746

if(execv(filename, p->argv) < 0){

747

perror("execv");

748

_exit(EXIT_FAILURE);

749

}

750

} else {

751

if(execve(filename, p->argv, p->environ) < 0){

752

perror("execve");

753

_exit(EXIT_FAILURE);

754

}

536

755

}

537

756

/* no return */

538

757

}

547

766

perror("sigprocmask");

548

767

}

549

768

exitstatus = EXIT_FAILURE;

550

goto end;

769

goto fallback;

551

770

}

552

771

553

772

*new_process = (struct process){ .pid = pid,

561

780

if(ret < 0){

562

781

perror("sigprocmask");

563

782

exitstatus = EXIT_FAILURE;

564

goto end;

783

goto fallback;

565

784

}

566

785

567

786

FD_SET(new_process->fd, &rfds_all);

572

791

573

792

}

574

793

575

/* Free the plugin list */

576

for(plugin *next; plugin_list != NULL; plugin_list = next){

577

next = plugin_list->next;

578

free(plugin_list->argv);

579

free(plugin_list);

580

}

794

free_plugin_list(plugin_list);

581

795

582

796

closedir(dir);

583

797

dir = NULL;

584

798

585

799

if (process_list == NULL){

586

fprintf(stderr, "No plugin processes started, exiting\n");

587

exitstatus = EXIT_FAILURE;

588

goto end;

800

fprintf(stderr, "No plugin processes started. Incorrect plugin"

801

" directory?\n");

802

process_list = NULL;

589

803

}

590

804

while(process_list){

591

805

fd_set rfds = rfds_all;

593

807

if (select_ret == -1){

594

808

perror("select");

595

809

exitstatus = EXIT_FAILURE;

596

goto end;

810

goto fallback;

597

811

}

598

812

/* OK, now either a process completed, or something can be read

599

813

from one of them */

625

839

if(ret < 0){

626

840

perror("sigprocmask");

627

841

exitstatus = EXIT_FAILURE;

628

goto end;

842

goto fallback;

629

843

}

630

844

/* Delete this process entry from the list */

631

845

if(process_list == proc){

654

868

break;

655

869

}

656

870

/* This process exited nicely, so print its buffer */

657

for(size_t written = 0; written < proc->buffer_length;

658

written += (size_t)ret){

659

ret = TEMP_FAILURE_RETRY(write(STDOUT_FILENO,

660

proc->buffer + written,

661

proc->buffer_length

662

- written));

663

if(ret < 0){

664

perror("write");

665

exitstatus = EXIT_FAILURE;

666

goto end;

667

}

871

872

bool bret = print_out_password(proc->buffer, proc->buffer_length);

873

if(not bret){

874

perror("print_out_password");

875

exitstatus = EXIT_FAILURE;

668

876

}

669

goto end;

877

goto fallback;

670

878

}

671

879

/* This process has not completed. Does it have any output? */

672

880

if(proc->eof or not FD_ISSET(proc->fd, &rfds)){

680

888

if (proc->buffer == NULL){

681

889

perror("malloc");

682

890

exitstatus = EXIT_FAILURE;

683

goto end;

891

goto fallback;

684

892

}

685

893

proc->buffer_size += BUFFER_SIZE;

686

894

}

699

907

}

700

908

}

701

909

}

702

if(process_list == NULL){

703

fprintf(stderr, "All plugin processes failed, exiting\n");

704

exitstatus = EXIT_FAILURE;

910

911

912

fallback:

913

914

if(process_list == NULL or exitstatus != EXIT_SUCCESS){

915

/* Fallback if all plugins failed, none are found or an error occured */

916

bool bret;

917

fprintf(stderr, "Going to fallback mode using getpass(3)\n");

918

char *passwordbuffer = getpass("Password: ");

919

bret = print_out_password(passwordbuffer, strlen(passwordbuffer));

920

if(not bret){

921

perror("print_out_password");

922

exitstatus = EXIT_FAILURE;

923

}

705

924

}

706

925

707

end:

708

926

/* Restore old signal handler */

709

sigaction(SIGCHLD, &old_sigchld_action, NULL);

710

711

free(plus_argv);

712

713

/* Free the plugin list */

714

for(plugin *next; plugin_list != NULL; plugin_list = next){

715

next = plugin_list->next;

716

free(plugin_list->argv);

717

free(plugin_list);

718

}

927

ret = sigaction(SIGCHLD, &old_sigchld_action, NULL);

928

if(ret == -1){

929

perror("sigaction");

930

exitstatus = EXIT_FAILURE;

931

}

932

933

if(custom_argv != NULL){

934

for(char **arg = custom_argv; *arg != NULL; arg++){

935

free(*arg);

936

}

937

free(custom_argv);

938

}

939

free_plugin_list(plugin_list);

719

940

720

941

if(dir != NULL){

721

942

closedir(dir);