/mandos/release : revision 165

72

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

73

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

74

75

struct process;

76

77

typedef struct process{

75

struct plugin;

76

77

typedef struct plugin{

78

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

79

char **argv;

80

int argc;

81

char **environ;

82

int envc;

83

bool disabled;

84

85

/* Variables used for running processes*/

78

86

pid_t pid;

79

87

int fd;

80

88

char *buffer;

83

91

bool eof;

84

92

volatile bool completed;

85

93

volatile int status;

86

struct process *next;

87

} process;

88

89

typedef struct plugin{

90

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

91

char **argv;

92

int argc;

93

char **environ;

94

int envc;

95

bool disabled;

96

94

struct plugin *next;

97

95

} plugin;

98

96

99

static plugin *getplugin(char *name, plugin **plugin_list){

100

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

97

static plugin *plugin_list = NULL;

98

99

/* Gets an existing plugin based on name,

100

or if none is found, creates a new one */

101

static plugin *getplugin(char *name){

102

/* Check for exiting plugin with that name */

103

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

101

104

if ((p->name == name)

102

105

or (p->name and name and (strcmp(p->name, name) == 0))){

103

106

return p;

118

121

119

122

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

120

123

.argc = 1,

121

.envc = 0,

122

124

.disabled = false,

123

.next = *plugin_list };

125

.next = plugin_list };

124

126

125

127

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

126

128

if (new_plugin->argv == NULL){

130

132

}

131

133

new_plugin->argv[0] = copy_name;

132

134

new_plugin->argv[1] = NULL;

133

135

134

136

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

135

137

if(new_plugin->environ == NULL){

136

138

free(copy_name);

139

141

return NULL;

140

142

}

141

143

new_plugin->environ[0] = NULL;

144

142

145

/* Append the new plugin to the list */

143

*plugin_list = new_plugin;

146

plugin_list = new_plugin;

144

147

return new_plugin;

145

148

}

146

149

176

179

}

177

180

178

181

/* Add to a plugin's environment */

179

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

182

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

180

183

if(p == NULL){

181

184

return false;

182

185

}

186

/* namelen = length of name of environment variable */

187

size_t namelen = (size_t)(strchrnul(def, '=') - def);

188

/* Search for this environment variable */

189

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

190

if(strncmp(*e, def, namelen + 1) == 0){

191

/* It already exists */

192

if(replace){

193

char *new = realloc(*e, strlen(def) + 1);

194

if(new == NULL){

195

return false;

196

}

197

*e = new;

198

strcpy(*e, def);

199

}

200

return true;

201

}

202

}

183

203

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

184

204

}

185

205

186

187

206

/*

188

207

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

189

208

* Descriptor Flags".

200

219

return fcntl(fd, F_SETFD, ret | FD_CLOEXEC);

201

220

}

202

221

203

process *process_list = NULL;

204

222

205

223

/* Mark processes as completed when they exit, and save their exit

206

224

status. */

207

225

void handle_sigchld(__attribute__((unused)) int sig){

208

226

while(true){

209

process *proc = process_list;

227

plugin *proc = plugin_list;

210

228

int status;

211

229

pid_t pid = waitpid(-1, &status, WNOHANG);

212

230

if(pid == 0){

220

238

/* No child processes */

221

239

break;

222

240

}

223

241

224

242

/* A child exited, find it in process_list */

225

243

while(proc != NULL and proc->pid != pid){

226

244

proc = proc->next;

234

252

}

235

253

}

236

254

255

/* Prints out a password to stdout */

237

256

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

238

257

ssize_t ret;

239

258

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

249

268

return true;

250

269

}

251

270

252

static void free_plugin_list(plugin *plugin_list){

253

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

254

next = plugin_list->next;

255

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

256

free(*arg);

257

}

258

free(plugin_list->argv);

259

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

260

free(*env);

261

}

262

free(plugin_list->environ);

263

free(plugin_list);

271

/* Removes and free a plugin from the plugin list */

272

static void free_plugin(plugin *plugin_node){

273

274

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

275

free(*arg);

276

}

277

free(plugin_node->argv);

278

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

279

free(*env);

280

}

281

free(plugin_node->environ);

282

free(plugin_node->buffer);

283

284

/* Removes the plugin from the singly-linked list */

285

if(plugin_node == plugin_list){

286

/* First one - simple */

287

plugin_list = plugin_list->next;

288

} else {

289

/* Second one or later */

290

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

291

if(p->next == plugin_node){

292

p->next = plugin_node->next;

293

break;

294

}

295

}

296

}

297

298

free(plugin_node);

299

}

300

301

static void free_plugin_list(void){

302

while(plugin_list != NULL){

303

free_plugin(plugin_list);

264

304

}

265

305

}

266

306

304

344

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

305

345

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

306

346

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

307

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

347

{ .name = "global-env", .key = 'G',

308

348

.arg = "VAR=value",

309

349

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

310

350

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

311

351

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

312

352

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

313

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

353

{ .name = "env-for", .key = 'E',

314

354

.arg = "PLUGIN:ENV=value",

315

355

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

316

356

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

317

357

.arg = "PLUGIN",

318

358

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

359

{ .name = "enable", .key = 'e',

360

.arg = "PLUGIN",

361

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

319

362

{ .name = "plugin-dir", .key = 128,

320

363

.arg = "DIRECTORY",

321

364

.doc = "Specify a different plugin directory", .group = 2 },

333

376

{ .name = NULL }

334

377

};

335

378

336

error_t parse_opt (int key, char *arg, struct argp_state *state) {

337

/* Get the INPUT argument from `argp_parse', which we know is a

338

pointer to our plugin list pointer. */

339

plugin **plugins = state->input;

379

error_t parse_opt (int key, char *arg, __attribute__((unused))

380

struct argp_state *state) {

340

381

switch (key) {

341

case 'g':

382

case 'g': /* --global-options */

342

383

if (arg != NULL){

343

384

char *p;

344

385

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

345

386

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

346

387

continue;

347

388

}

348

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

389

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

349

390

perror("add_argument");

350

391

return ARGP_ERR_UNKNOWN;

351

392

}

352

393

}

353

394

}

354

395

break;

355

case 'e':

396

case 'G': /* --global-env */

356

397

if(arg == NULL){

357

398

break;

358

399

}

361

402

if(envdef == NULL){

362

403

break;

363

404

}

364

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

405

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

365

406

perror("add_environment");

366

407

}

367

408

}

368

409

break;

369

case 'o':

410

case 'o': /* --options-for */

370

411

if (arg != NULL){

371

412

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

372

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

413

if(p_name[0] == '\0' or arg == NULL){

373

414

break;

374

415

}

375

416

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

376

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

417

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

377

418

break;

378

419

}

379

if(opt != NULL){

380

char *p;

381

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

382

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

383

continue;

384

}

385

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

386

perror("add_argument");

387

return ARGP_ERR_UNKNOWN;

388

}

420

char *p;

421

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

422

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

423

continue;

424

}

425

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

426

perror("add_argument");

427

return ARGP_ERR_UNKNOWN;

389

428

}

390

429

}

391

430

}

392

431

break;

393

case 'f':

432

case 'E': /* --env-for */

394

433

if(arg == NULL){

395

434

break;

396

435

}

404

443

break;

405

444

}

406

445

envdef++;

407

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

446

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

408

447

perror("add_environment");

409

448

}

410

449

}

411

450

break;

412

case 'd':

451

case 'd': /* --disable */

413

452

if (arg != NULL){

414

plugin *p = getplugin(arg, plugins);

453

plugin *p = getplugin(arg);

415

454

if(p == NULL){

416

455

return ARGP_ERR_UNKNOWN;

417

456

}

418

457

p->disabled = true;

419

458

}

420

459

break;

421

case 128:

460

case 'e': /* --enable */

461

if (arg != NULL){

462

plugin *p = getplugin(arg);

463

if(p == NULL){

464

return ARGP_ERR_UNKNOWN;

465

}

466

p->disabled = false;

467

}

468

break;

469

case 128: /* --plugin-dir */

422

470

plugindir = strdup(arg);

423

471

if(plugindir == NULL){

424

472

perror("strdup");

425

473

}

426

474

break;

427

case 129:

428

argfile = strdup(arg);

429

if(argfile == NULL){

430

perror("strdup");

431

}

432

break;

433

case 130:

475

case 129: /* --config-file */

476

/* This is already done by parse_opt_config_file() */

477

break;

478

case 130: /* --userid */

434

479

uid = (uid_t)strtol(arg, NULL, 10);

435

480

break;

436

case 131:

481

case 131: /* --groupid */

437

482

gid = (gid_t)strtol(arg, NULL, 10);

438

483

break;

439

case 132:

484

case 132: /* --debug */

440

485

debug = true;

441

486

break;

442

487

case ARGP_KEY_ARG:

450

495

return 0;

451

496

}

452

497

453

plugin *plugin_list = NULL;

498

/* This option parser is the same as parse_opt() above, except it

499

ignores everything but the --config-file option. */

500

error_t parse_opt_config_file (int key, char *arg,

501

__attribute__((unused))

502

struct argp_state *state) {

503

switch (key) {

504

case 'g': /* --global-options */

505

case 'G': /* --global-env */

506

case 'o': /* --options-for */

507

case 'E': /* --env-for */

508

case 'd': /* --disable */

509

case 'e': /* --enable */

510

case 128: /* --plugin-dir */

511

break;

512

case 129: /* --config-file */

513

argfile = strdup(arg);

514

if(argfile == NULL){

515

perror("strdup");

516

}

517

break;

518

case 130: /* --userid */

519

case 131: /* --groupid */

520

case 132: /* --debug */

521

case ARGP_KEY_ARG:

522

case ARGP_KEY_END:

523

break;

524

default:

525

return ARGP_ERR_UNKNOWN;

526

}

527

return 0;

528

}

454

529

455

struct argp argp = { .options = options, .parser = parse_opt,

456

.args_doc = "[+PLUS_SEPARATED_OPTIONS]",

530

struct argp argp = { .options = options,

531

.parser = parse_opt_config_file,

532

.args_doc = "",

457

533

.doc = "Mandos plugin runner -- Run plugins" };

458

534

459

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

535

/* Parse using the parse_opt_config_file in order to get the custom

536

config file location, if any. */

537

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

460

538

if (ret == ARGP_ERR_UNKNOWN){

461

539

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

462

540

exitstatus = EXIT_FAILURE;

463

541

goto fallback;

464

542

}

465

543

544

/* Reset to the normal argument parser */

545

argp.parser = parse_opt;

546

547

/* Open the configfile if available */

466

548

if (argfile == NULL){

467

549

conffp = fopen(AFILE, "r");

468

550

} else {

469

551

conffp = fopen(argfile, "r");

470

}

471

552

}

472

553

if(conffp != NULL){

473

554

char *org_line = NULL;

474

555

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

486

567

}

487

568

custom_argv[0] = argv[0];

488

569

custom_argv[1] = NULL;

489

570

571

/* for each line in the config file, strip whitespace and ignore

572

commented text */

490

573

while(true){

491

574

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

492

575

if(sret == -1){

521

604

}

522

605

}

523

606

free(org_line);

524

} else{

607

} else {

525

608

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

526

609

not affect opening plugins */

527

610

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

530

613

goto fallback;

531

614

}

532

615

}

533

616

/* If there was any arguments from configuration file,

617

pass them to parser as command arguments */

534

618

if(custom_argv != NULL){

535

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

619

ret = argp_parse (&argp, custom_argc, custom_argv, ARGP_IN_ORDER,

620

0, NULL);

536

621

if (ret == ARGP_ERR_UNKNOWN){

537

622

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

538

623

exitstatus = EXIT_FAILURE;

540

625

}

541

626

}

542

627

628

/* Parse actual command line arguments, to let them override the

629

config file */

630

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

631

if (ret == ARGP_ERR_UNKNOWN){

632

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

633

exitstatus = EXIT_FAILURE;

634

goto fallback;

635

}

636

543

637

if(debug){

544

638

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

545

639

fprintf(stderr, "Plugin: %s has %d arguments\n",

554

648

}

555

649

}

556

650

651

/* Strip permissions down to nobody */

557

652

ret = setuid(uid);

558

653

if (ret == -1){

559

654

perror("setuid");

560

}

561

655

}

562

656

setgid(gid);

563

657

if (ret == -1){

564

658

perror("setgid");

565

659

}

566

660

567

661

if (plugindir == NULL){

568

662

dir = opendir(PDIR);

569

663

} else {

591

685

592

686

FD_ZERO(&rfds_all);

593

687

688

/* Read and execute any executable in the plugin directory*/

594

689

while(true){

595

690

dirst = readdir(dir);

596

691

597

// All directory entries have been processed

692

/* All directory entries have been processed */

598

693

if(dirst == NULL){

599

694

if (errno == EBADF){

600

695

perror("readdir");

606

701

607

702

d_name_len = strlen(dirst->d_name);

608

703

609

// Ignore dotfiles, backup files and other junk

704

/* Ignore dotfiles, backup files and other junk */

610

705

{

611

706

bool bad_name = false;

612

707

627

722

break;

628

723

}

629

724

}

630

631

725

if(bad_name){

632

726

continue;

633

727

}

634

635

728

for(const char **suf = bad_suffixes; *suf != NULL; suf++){

636

729

size_t suf_len = strlen(*suf);

637

730

if((d_name_len >= suf_len)

664

757

free(filename);

665

758

continue;

666

759

}

667

760

761

/* Ignore non-executable files */

668

762

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

669

763

if(debug){

670

764

fprintf(stderr, "Ignoring plugin dir entry \"%s\""

673

767

free(filename);

674

768

continue;

675

769

}

676

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

770

771

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

677

772

if(p == NULL){

678

773

perror("getplugin");

679

774

free(filename);

689

784

}

690

785

{

691

786

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

692

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

787

plugin *g = getplugin(NULL);

693

788

if(g != NULL){

694

789

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

695

790

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

698

793

}

699

794

/* Add global environment variables */

700

795

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

701

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

796

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

702

797

perror("add_environment");

703

798

}

704

799

}

709

804

process, too. */

710

805

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

711

806

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

712

char *copy = strdup(*e);

713

if(copy == NULL){

714

perror("strdup");

715

continue;

716

}

717

if(not add_environment(p, copy)){

807

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

718

808

perror("add_environment");

719

809

}

720

810

}

727

817

exitstatus = EXIT_FAILURE;

728

818

goto fallback;

729

819

}

820

/* Ask OS to automatic close the pipe on exec */

730

821

ret = set_cloexec_flag(pipefd[0]);

731

822

if(ret < 0){

732

823

perror("set_cloexec_flag");

746

837

exitstatus = EXIT_FAILURE;

747

838

goto fallback;

748

839

}

749

// Starting a new process to be watched

840

/* Starting a new process to be watched */

750

841

pid_t pid = fork();

751

842

if(pid == -1){

752

843

perror("fork");

790

881

}

791

882

/* no return */

792

883

}

793

/* parent process */

884

/* Parent process */

885

close(pipefd[1]); /* Close unused write end of pipe */

794

886

free(filename);

795

close(pipefd[1]); /* close unused write end of pipe */

796

process *new_process = malloc(sizeof(process));

797

if (new_process == NULL){

798

perror("malloc");

887

plugin *new_plugin = getplugin(dirst->d_name);

888

if (new_plugin == NULL){

889

perror("getplugin");

799

890

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

800

891

if(ret < 0){

801

perror("sigprocmask");

892

perror("sigprocmask");

802

893

}

803

894

exitstatus = EXIT_FAILURE;

804

895

goto fallback;

805

896

}

806

897

807

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

808

.fd = pipefd[0],

809

.next = process_list };

810

// List handling

811

process_list = new_process;

898

new_plugin->pid = pid;

899

new_plugin->fd = pipefd[0];

900

812

901

/* Unblock SIGCHLD so signal handler can be run if this process

813

902

has already completed */

814

903

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

818

907

goto fallback;

819

908

}

820

909

821

FD_SET(new_process->fd, &rfds_all);

910

FD_SET(new_plugin->fd, &rfds_all);

822

911

823

if (maxfd < new_process->fd){

824

maxfd = new_process->fd;

912

if (maxfd < new_plugin->fd){

913

maxfd = new_plugin->fd;

825

914

}

826

915

827

916

}

828

829

free_plugin_list(plugin_list);

830

plugin_list = NULL;

831

917

832

918

closedir(dir);

833

919

dir = NULL;

834

835

if (process_list == NULL){

836

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

837

" directory?\n");

838

process_list = NULL;

920

921

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

922

if(p->pid != 0){

923

break;

924

}

925

if(p->next == NULL){

926

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

927

" directory?\n");

928

free_plugin_list();

929

}

839

930

}

840

while(process_list){

931

932

/* Main loop while running plugins exist */

933

while(plugin_list){

841

934

fd_set rfds = rfds_all;

842

935

int select_ret = select(maxfd+1, &rfds, NULL, NULL, NULL);

843

936

if (select_ret == -1){

847

940

}

848

941

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

849

942

from one of them */

850

for(process *proc = process_list; proc ; proc = proc->next){

943

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

851

944

/* Is this process completely done? */

852

945

if(proc->eof and proc->completed){

853

946

/* Only accept the plugin output if it exited cleanly */

854

947

if(not WIFEXITED(proc->status)

855

948

or WEXITSTATUS(proc->status) != 0){

856

949

/* Bad exit by plugin */

950

857

951

if(debug){

858

952

if(WIFEXITED(proc->status)){

859

953

fprintf(stderr, "Plugin %u exited with status %d\n",

868

962

(unsigned int) (proc->pid));

869

963

}

870

964

}

965

871

966

/* Remove the plugin */

872

967

FD_CLR(proc->fd, &rfds_all);

968

873

969

/* Block signal while modifying process_list */

874

970

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

875

971

if(ret < 0){

877

973

exitstatus = EXIT_FAILURE;

878

974

goto fallback;

879

975

}

880

/* Delete this process entry from the list */

881

if(process_list == proc){

882

/* First one - simple */

883

process_list = proc->next;

884

} else {

885

/* Second one or later */

886

for(process *p = process_list; p != NULL; p = p->next){

887

if(p->next == proc){

888

p->next = proc->next;

889

break;

890

}

891

}

892

}

976

free_plugin(proc);

893

977

/* We are done modifying process list, so unblock signal */

894

978

ret = sigprocmask (SIG_UNBLOCK, &sigchld_action.sa_mask,

895

979

NULL);

896

980

if(ret < 0){

897

981

perror("sigprocmask");

898

}

899

free(proc->buffer);

900

free(proc);

901

/* We deleted this process from the list, so we can't go

902

proc->next. Therefore, start over from the beginning of

903

the process list */

904

break;

982

exitstatus = EXIT_FAILURE;

983

goto fallback;

984

}

985

986

if(plugin_list == NULL){

987

break;

988

}

989

continue;

905

990

}

991

906

992

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

907

993

908

994

bool bret = print_out_password(proc->buffer,

913

999

}

914

1000

goto fallback;

915

1001

}

1002

916

1003

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

917

1004

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

918

1005

/* This process had nothing to say at this time */

948

1035

949

1036

fallback:

950

1037

951

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

1038

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

952

1039

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

953

1040

occured */

954

1041

bool bret;

974

1061

}

975

1062

free(custom_argv);

976

1063

}

977

free_plugin_list(plugin_list);

978

1064

979

1065

if(dir != NULL){

980

1066

closedir(dir);

981

1067

}

982

1068

983

1069

/* Free the process list and kill the processes */

984

for(process *next; process_list != NULL; process_list = next){

985

next = process_list->next;

986

close(process_list->fd);

987

ret = kill(process_list->pid, SIGTERM);

988

if(ret == -1 and errno != ESRCH){

989

/* set-uid proccesses migth not get closed */

990

perror("kill");

1070

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

1071

if(p->pid != 0){

1072

close(p->fd);

1073

ret = kill(p->pid, SIGTERM);

1074

if(ret == -1 and errno != ESRCH){

1075

/* Set-uid proccesses might not get closed */

1076

perror("kill");

1077

}

991

1078

}

992

free(process_list->buffer);

993

free(process_list);

994

1079

}

995

1080

996

1081

/* Wait for any remaining child processes to terminate */

1001

1086

perror("wait");

1002

1087

}

1003

1088

1089

free_plugin_list();

1090

1004

1091

free(plugindir);

1005

1092

free(argfile);

1006

1093