/mandos/release : revision 237.7.313

To get this branch, use:

bzr branch
http://bzr.recompile.se/loggerhead/mandos/release

« back to all changes in this revision

Viewing changes to plugin-runner.c

Committer: Teddy Hogeborn
Date: 2015-07-09 20:32:52 UTC
mto: (237.7.594 trunk)
mto: This revision was merged to the branch mainline in revision 325.
Revision ID: teddy@recompile.se-20150709203252-u10p7trfsxc1a9yp

Install client Diffie-Hellman parameters into initramfs.

* debian/control (Package: mandos-client/Recommends): Added
  "gnutls-bin | openssl" (to generate DH parameters).
* debian/mandos-client.postinst (create_dh_params): New function
                                                    called on package
                                                    configure.
* plugins.d/mandos-client.c (main): Bug fix: Work around Debian bug
                                    #633582 also for the
                                    "client-dhparams.pem" file.

Show diffs side-by-side

added added

removed removed

plugin-runner.c

#define BUFFER_SIZE 256

#define PDIR "/lib/mandos/plugins.d"

#define PHDIR "/lib/mandos/plugin-helpers"

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

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

347

348

349

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

349

350

char *plugindir = NULL;

351

char *pluginhelperdir = NULL;

350

352

char *argfile = NULL;

351

353

FILE *conffp;

352

354

struct dirent **direntries = NULL;

414

416

.doc = "Group ID the plugins will run as", .group = 3 },

415

417

{ .name = "debug", .key = 132,

416

418

.doc = "Debug mode", .group = 4 },

419

{ .name = "plugin-helper-dir", .key = 133,

420

.arg = "DIRECTORY",

421

.doc = "Specify a different plugin helper directory",

422

.group = 2 },

417

423

418

424

* These reproduce what we would get without ARGP_NO_HELP

419

425

545

551

case 132: /* --debug */

546

552

debug = true;

547

553

break;

554

case 133: /* --plugin-helper-dir */

555

free(pluginhelperdir);

556

pluginhelperdir = strdup(arg);

557

if(pluginhelperdir != NULL){

558

errno = 0;

559

}

560

break;

548

561

549

562

* These reproduce what we would get without ARGP_NO_HELP

550

563

601

614

case 130: /* --userid */

602

615

case 131: /* --groupid */

603

616

case 132: /* --debug */

617

case 133: /* --plugin-helper-dir */

604

618

case '?': /* --help */

605

619

case -3: /* --usage */

606

620

case 'V': /* --version */

761

775

goto fallback;

762

776

}

763

777

778

{

779

char *pluginhelperenv;

780

bool bret = true;

781

ret = asprintf(&pluginhelperenv, "MANDOSPLUGINHELPERDIR=%s",

782

pluginhelperdir != NULL ? pluginhelperdir : PHDIR);

783

if(ret != -1){

784

bret = add_environment(getplugin(NULL), pluginhelperenv, true);

785

}

786

if(ret == -1 or not bret){

787

error(0, errno, "Failed to set MANDOSPLUGINHELPERDIR"

788

" environment variable to \"%s\" for all plugins\n",

789

pluginhelperdir != NULL ? pluginhelperdir : PHDIR);

790

}

791

if(ret != -1){

792

free(pluginhelperenv);

793

}

794

}

795

764

796

if(debug){

765

797

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

766

798

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

887

919

int plugin_fd = openat(dir_fd, direntries[i]->d_name, O_RDONLY);

888

920

if(plugin_fd == -1){

889

921

error(0, errno, "Could not open plugin");

922

free(direntries[i]);

890

923

continue;

891

924

}

892

925

ret = (int)TEMP_FAILURE_RETRY(fstat(plugin_fd, &st));

893

926

if(ret == -1){

894

927

error(0, errno, "stat");

895

928

TEMP_FAILURE_RETRY(close(plugin_fd));

929

free(direntries[i]);

896

930

continue;

897

931

}

898

932

907

941

direntries[i]->d_name);

908

942

}

909

943

TEMP_FAILURE_RETRY(close(plugin_fd));

944

free(direntries[i]);

910

945

continue;

911

946

}

912

947

914

949

if(p == NULL){

915

950

error(0, errno, "getplugin");

916

951

TEMP_FAILURE_RETRY(close(plugin_fd));

952

free(direntries[i]);

917

953

continue;

918

954

}

919

955

if(p->disabled){

922

958

direntries[i]->d_name);

923

959

}

924

960

TEMP_FAILURE_RETRY(close(plugin_fd));

961

free(direntries[i]);

925

962

continue;

926

963

}

927

964

{

960

997

if(ret == -1){

961

998

error(0, errno, "pipe");

962

999

exitstatus = EX_OSERR;

1000

free(direntries[i]);

963

1001

goto fallback;

964

1002

}

965

1003

if(pipefd[0] >= FD_SETSIZE){

968

1006

TEMP_FAILURE_RETRY(close(pipefd[0]));

969

1007

TEMP_FAILURE_RETRY(close(pipefd[1]));

970

1008

exitstatus = EX_OSERR;

1009

free(direntries[i]);

971

1010

goto fallback;

972

1011

}

973

1012

#ifndef O_CLOEXEC

978

1017

TEMP_FAILURE_RETRY(close(pipefd[0]));

979

1018

TEMP_FAILURE_RETRY(close(pipefd[1]));

980

1019

exitstatus = EX_OSERR;

1020

free(direntries[i]);

981

1021

goto fallback;

982

1022

}

983

1023

ret = set_cloexec_flag(pipefd[1]);

986

1026

TEMP_FAILURE_RETRY(close(pipefd[0]));

987

1027

TEMP_FAILURE_RETRY(close(pipefd[1]));

988

1028

exitstatus = EX_OSERR;

1029

free(direntries[i]);

989

1030

goto fallback;

990

1031

}

991

1032

#endif /* not O_CLOEXEC */

996

1037

if(ret < 0){

997

1038

error(0, errno, "sigprocmask");

998

1039

exitstatus = EX_OSERR;

1040

free(direntries[i]);

999

1041

goto fallback;

1000

1042

}

1001

1043

/* Starting a new process to be watched */

1010

1052

TEMP_FAILURE_RETRY(close(pipefd[0]));

1011

1053

TEMP_FAILURE_RETRY(close(pipefd[1]));

1012

1054

exitstatus = EX_OSERR;

1055

free(direntries[i]);

1013

1056

goto fallback;

1014

1057

}

1015

1058

if(pid == 0){

1054

1097

error(0, errno, "sigprocmask");

1055

1098

}

1056

1099

exitstatus = EX_OSERR;

1100

free(direntries[i]);

1057

1101

goto fallback;

1058

1102

}

1103

free(direntries[i]);

1059

1104

1060

1105

new_plugin->pid = pid;

1061

1106

new_plugin->fd = pipefd[0];

1323

1368

free_plugin_list();

1324

1369

1325

1370

free(plugindir);

1371

free(pluginhelperdir);

1326

1372

free(argfile);

1327

1373

1328

1374

return exitstatus;

Older »