/mandos/trunk : revision 115

72

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

73

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

74

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*/

75

struct process;

76

77

typedef struct process{

86

78

pid_t pid;

87

79

int fd;

88

80

char *buffer;

91

83

bool eof;

92

84

volatile bool completed;

93

85

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;

94

96

struct plugin *next;

95

97

} plugin;

96

98

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){

99

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

100

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

104

101

if ((p->name == name)

105

102

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

106

103

return p;

121

118

122

119

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

123

120

.argc = 1,

121

.envc = 0,

124

122

.disabled = false,

125

.next = plugin_list };

123

.next = *plugin_list };

126

124

127

125

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

128

126

if (new_plugin->argv == NULL){

132

130

}

133

131

new_plugin->argv[0] = copy_name;

134

132

new_plugin->argv[1] = NULL;

135

133

136

134

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

137

135

if(new_plugin->environ == NULL){

138

136

free(copy_name);

141

139

return NULL;

142

140

}

143

141

new_plugin->environ[0] = NULL;

144

145

142

/* Append the new plugin to the list */

146

plugin_list = new_plugin;

143

*plugin_list = new_plugin;

147

144

return new_plugin;

148

145

}

149

146

179

176

}

180

177

181

178

/* Add to a plugin's environment */

182

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

179

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

183

180

if(p == NULL){

184

181

return false;

185

182

}

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

}

203

183

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

204

184

}

205

185

186

206

187

/*

207

188

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

208

189

* Descriptor Flags".

219

200

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

220

201

}

221

202

203

process *process_list = NULL;

222

204

223

205

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

224

206

status. */

225

207

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

226

208

while(true){

227

plugin *proc = plugin_list;

209

process *proc = process_list;

228

210

int status;

229

211

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

230

212

if(pid == 0){

238

220

/* No child processes */

239

221

break;

240

222

}

241

223

242

224

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

243

225

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

244

226

proc = proc->next;

252

234

}

253

235

}

254

236

255

/* Prints out a password to stdout */

256

237

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

257

238

ssize_t ret;

258

239

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

268

249

return true;

269

250

}

270

251

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);

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);

304

264

}

305

265

}

306

266

344

304

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

345

305

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

346

306

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

347

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

307

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

348

308

.arg = "VAR=value",

349

309

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

350

310

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

351

311

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

352

312

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

353

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

313

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

354

314

.arg = "PLUGIN:ENV=value",

355

315

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

356

316

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

357

317

.arg = "PLUGIN",

358

318

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

359

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

360

.arg = "PLUGIN",

361

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

362

319

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

363

320

.arg = "DIRECTORY",

364

321

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

376

333

{ .name = NULL }

377

334

};

378

335

379

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

380

struct argp_state *state) {

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;

381

340

switch (key) {

382

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

341

case 'g':

383

342

if (arg != NULL){

384

343

char *p;

385

344

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

386

345

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

387

346

continue;

388

347

}

389

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

348

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

390

349

perror("add_argument");

391

350

return ARGP_ERR_UNKNOWN;

392

351

}

393

352

}

394

353

}

395

354

break;

396

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

355

case 'e':

397

356

if(arg == NULL){

398

357

break;

399

358

}

402

361

if(envdef == NULL){

403

362

break;

404

363

}

405

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

364

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

406

365

perror("add_environment");

407

366

}

408

367

}

409

368

break;

410

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

369

case 'o':

411

370

if (arg != NULL){

412

371

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

413

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

372

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

414

373

break;

415

374

}

416

375

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

417

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

376

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

418

377

break;

419

378

}

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;

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

}

428

389

}

429

390

}

430

391

}

431

392

break;

432

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

393

case 'f':

433

394

if(arg == NULL){

434

395

break;

435

396

}

443

404

break;

444

405

}

445

406

envdef++;

446

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

407

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

447

408

perror("add_environment");

448

409

}

449

410

}

450

411

break;

451

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

412

case 'd':

452

413

if (arg != NULL){

453

plugin *p = getplugin(arg);

414

plugin *p = getplugin(arg, plugins);

454

415

if(p == NULL){

455

416

return ARGP_ERR_UNKNOWN;

456

417

}

457

418

p->disabled = true;

458

419

}

459

420

break;

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 */

421

case 128:

470

422

plugindir = strdup(arg);

471

423

if(plugindir == NULL){

472

424

perror("strdup");

473

425

}

474

426

break;

475

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

476

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

477

break;

478

case 130: /* --userid */

427

case 129:

428

argfile = strdup(arg);

429

if(argfile == NULL){

430

perror("strdup");

431

}

432

break;

433

case 130:

479

434

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

480

435

break;

481

case 131: /* --groupid */

436

case 131:

482

437

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

483

438

break;

484

case 132: /* --debug */

439

case 132:

485

440

debug = true;

486

441

break;

487

442

case ARGP_KEY_ARG:

495

450

return 0;

496

451

}

497

452

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

}

453

plugin *plugin_list = NULL;

529

454

530

struct argp argp = { .options = options,

531

.parser = parse_opt_config_file,

532

.args_doc = "",

455

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

456

.args_doc = "[+PLUS_SEPARATED_OPTIONS]",

533

457

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

534

458

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);

459

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

538

460

if (ret == ARGP_ERR_UNKNOWN){

539

461

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

540

462

exitstatus = EXIT_FAILURE;

541

463

goto fallback;

542

464

}

543

544

/* Reset to the normal argument parser */

545

argp.parser = parse_opt;

546

547

/* Open the configfile if available */

465

548

466

if (argfile == NULL){

549

467

conffp = fopen(AFILE, "r");

550

468

} else {

551

469

conffp = fopen(argfile, "r");

552

}

470

}

471

553

472

if(conffp != NULL){

554

473

char *org_line = NULL;

555

474

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

567

486

}

568

487

custom_argv[0] = argv[0];

569

488

custom_argv[1] = NULL;

570

571

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

572

commented text */

489

573

490

while(true){

574

491

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

575

492

if(sret == -1){

604

521

}

605

522

}

606

523

free(org_line);

607

} else {

524

} else{

608

525

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

609

526

not affect opening plugins */

610

527

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

613

530

goto fallback;

614

531

}

615

532

}

616

/* If there was any arguments from configuration file,

617

pass them to parser as command arguments */

533

618

534

if(custom_argv != NULL){

619

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

620

0, NULL);

535

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

621

536

if (ret == ARGP_ERR_UNKNOWN){

622

537

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

623

538

exitstatus = EXIT_FAILURE;

625

540

}

626

541

}

627

542

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

637

543

if(debug){

638

544

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

639

545

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

648

554

}

649

555

}

650

556

651

/* Strip permissions down to nobody */

652

557

ret = setuid(uid);

653

558

if (ret == -1){

654

559

perror("setuid");

655

}

560

}

561

656

562

setgid(gid);

657

563

if (ret == -1){

658

564

perror("setgid");

659

565

}

660

566

661

567

if (plugindir == NULL){

662

568

dir = opendir(PDIR);

663

569

} else {

685

591

686

592

FD_ZERO(&rfds_all);

687

593

688

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

689

594

while(true){

690

595

dirst = readdir(dir);

691

596

692

/* All directory entries have been processed */

597

// All directory entries have been processed

693

598

if(dirst == NULL){

694

599

if (errno == EBADF){

695

600

perror("readdir");

701

606

702

607

d_name_len = strlen(dirst->d_name);

703

608

704

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

609

// Ignore dotfiles, backup files and other junk

705

610

{

706

611

bool bad_name = false;

707

612

722

627

break;

723

628

}

724

629

}

630

725

631

if(bad_name){

726

632

continue;

727

633

}

634

728

635

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

729

636

size_t suf_len = strlen(*suf);

730

637

if((d_name_len >= suf_len)

757

664

free(filename);

758

665

continue;

759

666

}

760

761

/* Ignore non-executable files */

667

762

668

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

763

669

if(debug){

764

670

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

767

673

free(filename);

768

674

continue;

769

675

}

770

771

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

676

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

772

677

if(p == NULL){

773

678

perror("getplugin");

774

679

free(filename);

784

689

}

785

690

{

786

691

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

787

plugin *g = getplugin(NULL);

692

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

788

693

if(g != NULL){

789

694

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

790

695

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

793

698

}

794

699

/* Add global environment variables */

795

700

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

796

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

701

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

797

702

perror("add_environment");

798

703

}

799

704

}

804

709

process, too. */

805

710

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

806

711

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

807

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

712

char *copy = strdup(*e);

713

if(copy == NULL){

714

perror("strdup");

715

continue;

716

}

717

if(not add_environment(p, copy)){

808

718

perror("add_environment");

809

719

}

810

720

}

817

727

exitstatus = EXIT_FAILURE;

818

728

goto fallback;

819

729

}

820

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

821

730

ret = set_cloexec_flag(pipefd[0]);

822

731

if(ret < 0){

823

732

perror("set_cloexec_flag");

837

746

exitstatus = EXIT_FAILURE;

838

747

goto fallback;

839

748

}

840

/* Starting a new process to be watched */

749

// Starting a new process to be watched

841

750

pid_t pid = fork();

842

751

if(pid == -1){

843

752

perror("fork");

881

790

}

882

791

/* no return */

883

792

}

884

/* Parent process */

885

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

793

/* parent process */

886

794

free(filename);

887

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

888

if (new_plugin == NULL){

889

perror("getplugin");

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");

890

799

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

891

800

if(ret < 0){

892

perror("sigprocmask");

801

perror("sigprocmask");

893

802

}

894

803

exitstatus = EXIT_FAILURE;

895

804

goto fallback;

896

805

}

897

806

898

new_plugin->pid = pid;

899

new_plugin->fd = pipefd[0];

900

807

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

808

.fd = pipefd[0],

809

.next = process_list };

810

// List handling

811

process_list = new_process;

901

812

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

902

813

has already completed */

903

814

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

907

818

goto fallback;

908

819

}

909

820

910

FD_SET(new_plugin->fd, &rfds_all);

821

FD_SET(new_process->fd, &rfds_all);

911

822

912

if (maxfd < new_plugin->fd){

913

maxfd = new_plugin->fd;

823

if (maxfd < new_process->fd){

824

maxfd = new_process->fd;

914

825

}

915

826

916

827

}

828

829

free_plugin_list(plugin_list);

830

plugin_list = NULL;

917

831

918

832

closedir(dir);

919

833

dir = 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

}

834

835

if (process_list == NULL){

836

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

837

" directory?\n");

838

process_list = NULL;

930

839

}

931

932

/* Main loop while running plugins exist */

933

while(plugin_list){

840

while(process_list){

934

841

fd_set rfds = rfds_all;

935

842

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

936

843

if (select_ret == -1){

940

847

}

941

848

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

942

849

from one of them */

943

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

850

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

944

851

/* Is this process completely done? */

945

852

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

946

853

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

947

854

if(not WIFEXITED(proc->status)

948

855

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

949

856

/* Bad exit by plugin */

950

951

857

if(debug){

952

858

if(WIFEXITED(proc->status)){

953

859

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

962

868

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

963

869

}

964

870

}

965

966

871

/* Remove the plugin */

967

872

FD_CLR(proc->fd, &rfds_all);

968

969

873

/* Block signal while modifying process_list */

970

874

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

971

875

if(ret < 0){

973

877

exitstatus = EXIT_FAILURE;

974

878

goto fallback;

975

879

}

976

free_plugin(proc);

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

}

977

893

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

978

894

ret = sigprocmask (SIG_UNBLOCK, &sigchld_action.sa_mask,

979

895

NULL);

980

896

if(ret < 0){

981

897

perror("sigprocmask");

982

exitstatus = EXIT_FAILURE;

983

goto fallback;

984

}

985

986

if(plugin_list == NULL){

987

break;

988

}

989

continue;

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;

990

905

}

991

992

906

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

993

907

994

908

bool bret = print_out_password(proc->buffer,

999

913

}

1000

914

goto fallback;

1001

915

}

1002

1003

916

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

1004

917

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

1005

918

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

1035

948

1036

949

fallback:

1037

950

1038

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

951

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

1039

952

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

1040

953

occured */

1041

954

bool bret;

1061

974

}

1062

975

free(custom_argv);

1063

976

}

977

free_plugin_list(plugin_list);

1064

978

1065

979

if(dir != NULL){

1066

980

closedir(dir);

1067

981

}

1068

982

1069

983

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

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

}

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");

1078

991

}

992

free(process_list->buffer);

993

free(process_list);

1079

994

}

1080

995

1081

996

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

1086

1001

perror("wait");

1087

1002

}

1088

1003

1089

free_plugin_list();

1090

1091

1004

free(plugindir);

1092

1005

free(argfile);

1093

1006