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- Committer: Teddy Hogeborn
- Date: 2008-08-09 04:56:00 UTC
- mfrom: (24.1.27 mandos)
- Revision ID: teddy@fukt.bsnet.se-20080809045600-m7jx3tj4wwunaffa
Merge.
added
removed
plugins.d/password-request.c
34
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35
#define _GNU_SOURCE /* TEMP_FAILURE_RETRY() */
36
36
37
#include <stdio.h> /* fprintf(), stderr, fwrite(), stdout,
38
ferror() */
37
#include <stdio.h> /* fprintf(), stderr, fwrite(), stdout, ferror() */
39
38
#include <stdint.h> /* uint16_t, uint32_t */
40
39
#include <stddef.h> /* NULL, size_t, ssize_t */
41
#include <stdlib.h> /* free(), EXIT_SUCCESS, EXIT_FAILURE,
42
srand() */
40
#include <stdlib.h> /* free() */
43
41
#include <stdbool.h> /* bool, true */
44
#include <string.h> /* memset(), strcmp(), strlen(),
45
strerror(), memcpy(), strcpy() */
46
#include <sys/ioctl.h> /* ioctl */
42
#include <string.h> /* memset(), strcmp(), strlen, strerror() */
43
#include <sys/ioctl.h> /* ioctl, ifreq, SIOCGIFFLAGS, IFF_UP,
44
SIOCSIFFLAGS */
47
45
#include <sys/types.h> /* socket(), inet_pton(), sockaddr,
48
sockaddr_in6, PF_INET6,
49
SOCK_STREAM, INET6_ADDRSTRLEN,
50
uid_t, gid_t */
51
#include <inttypes.h> /* PRIu16 */
46
sockaddr_in6, PF_INET6, SOCK_STREAM, INET6_ADDRSTRLEN */
52
47
#include <sys/socket.h> /* socket(), struct sockaddr_in6,
53
48
struct in6_addr, inet_pton(),
54
49
connect() */
55
#include <assert.h> /* assert() */
56
#include <errno.h> /* perror(), errno */
57
#include <time.h> /* time() */
50
#include <assert.h>
51
#include <errno.h> /* perror() */
52
#include <time.h>
58
53
#include <net/if.h> /* ioctl, ifreq, SIOCGIFFLAGS, IFF_UP,
59
54
SIOCSIFFLAGS, if_indextoname(),
60
55
if_nametoindex(), IF_NAMESIZE */
61
#include <unistd.h> /* close(), SEEK_SET, off_t, write(),
62
getuid(), getgid(), setuid(),
63
setgid() */
56
#include <unistd.h> /* close(), SEEK_SET, off_t, write()*/
64
57
#include <netinet/in.h>
65
58
#include <arpa/inet.h> /* inet_pton(), htons */
66
#include <iso646.h> /* not, and */
67
#include <argp.h> /* struct argp_option, error_t, struct
68
argp_state, struct argp,
69
argp_parse(), ARGP_KEY_ARG,
70
ARGP_KEY_END, ARGP_ERR_UNKNOWN */
59
#include <iso646.h> /* not */
60
#include <argp.h> /* struct argp_option,
61
struct argp_state, struct argp,
62
argp_parse() */
71
63
72
64
/* Avahi */
73
/* All Avahi types, constants and functions
74
Avahi*, avahi_*,
75
AVAHI_* */
76
#include <avahi-core/core.h>
65
#include <avahi-core/core.h> /* AvahiSimplePoll, AvahiServer,
66
AvahiIfIndex */
77
67
#include <avahi-core/lookup.h>
78
#include <avahi-core/log.h>
68
#include <avahi-core/log.h> /* AvahiLogLevel */
79
69
#include <avahi-common/simple-watch.h>
80
70
#include <avahi-common/malloc.h>
81
71
#include <avahi-common/error.h>
82
72
83
73
/* GnuTLS */
84
#include <gnutls/gnutls.h> /* All GnuTLS types, constants and functions
85
gnutls_*
74
#include <gnutls/gnutls.h> /* gnutls_certificate_credentials_t,
75
gnutls_dh_params_t,
76
gnutls_strerror(),
77
gnutls_global_init(),
78
gnutls_global_set_log_level(),
79
gnutls_global_set_log_function(),
80
gnutls_certificate_allocate_credentials(),
81
gnutls_global_deinit(),
82
gnutls_dh_params_init(),
83
gnutls_dh_params_generate(),
84
gnutls_certificate_set_dh_params(),
85
gnutls_certificate_free_credentials(),
86
gnutls_session_t, gnutls_init(),
87
gnutls_priority_set_direct(),
88
gnutls_deinit(),
89
gnutls_credentials_set(),
90
gnutls_certificate_server_set_request(),
91
gnutls_dh_set_prime_bits(),
92
gnutls_transport_set_ptr(),
93
gnutls_transport_ptr_t,
94
gnutls_handshake(),
95
gnutls_record_recv()
96
gnutls_perror(), gnutls_bye(),
86
97
init_gnutls_session(),
87
GNUTLS_* */
88
#include <gnutls/openpgp.h> /* gnutls_certificate_set_openpgp_key_file(),
89
GNUTLS_OPENPGP_FMT_BASE64 */
98
GNUTLS_E_SUCCESS,
99
GNUTLS_CRD_CERTIFICATE,
100
GNUTLS_CERT_IGNORE,
101
GNUTLS_E_INTERRUPTED,
102
GNUTLS_E_AGAIN,
103
GNUTLS_E_REHANDSHAKE,
104
GNUTLS_SHUT_RDWR, */
105
#include <gnutls/openpgp.h> /* gnutls_certificate_set_openpgp_key_file(),
106
GNUTLS_OPENPGP_FMT_BASE64 */
90
107
91
108
/* GPGME */
92
#include <gpgme.h> /* All GPGME types, constants and functions
93
gpgme_*
109
#include <gpgme.h> /* gpgme_data_t, gpgme_ctx_t,
110
gpgme_error_t, gpgme_engine_info_t,
111
gpgme_check_version(),
112
gpgme_engine_check_version(),
113
gpgme_strsource(),
114
gpgme_strerror(),
115
gpgme_get_engine_info(),
116
gpgme_set_engine_info(),
117
gpgme_data_new_from_mem(),
118
gpgme_data_new(), gpgme_new(),
119
gpgme_op_decrypt(),
120
gpgme_decrypt_result_t,
121
gpgme_op_decrypt_result(),
122
gpgme_recipient_t,
123
gpgme_pubkey_algo_name(),
124
gpgme_data_seek(),
125
gpgme_data_read(),
126
gpgme_data_release()
94
127
GPGME_PROTOCOL_OpenPGP,
95
GPG_ERR_NO_* */
128
GPG_ERR_NO_ERROR,
129
GPG_ERR_NO_SECKEY, */
96
130
97
131
#define BUFFER_SIZE 256
98
132
99
133
bool debug = false;
100
134
static const char *keydir = "/conf/conf.d/mandos";
101
135
static const char mandos_protocol_version[] = "1";
102
const char *argp_program_version = "password-request 1.0";
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const char *argp_program_version = "mandosclient 0.9";
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const char *argp_program_bug_address = "<mandos@fukt.bsnet.se>";
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/* Used for passing in values through the Avahi callback functions */
227
261
} else {
228
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fprintf(stderr, "Unsupported algorithm: %s\n",
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result->unsupported_algorithm);
230
fprintf(stderr, "Wrong key usage: %u\n",
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fprintf(stderr, "Wrong key usage: %d\n",
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result->wrong_key_usage);
232
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if(result->file_name != NULL){
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fprintf(stderr, "File name: %s\n", result->file_name);
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354
if(debug){
321
355
fprintf(stderr, "Initializing GnuTLS\n");
322
356
}
323
324
ret = gnutls_global_init();
325
if (ret != GNUTLS_E_SUCCESS) {
357
358
if ((ret = gnutls_global_init ())
359
!= GNUTLS_E_SUCCESS) {
326
360
fprintf (stderr, "GnuTLS global_init: %s\n",
327
361
safer_gnutls_strerror(ret));
328
362
return -1;
337
371
}
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/* OpenPGP credentials */
340
gnutls_certificate_allocate_credentials(&mc->cred);
341
if (ret != GNUTLS_E_SUCCESS){
374
if ((ret = gnutls_certificate_allocate_credentials (&mc->cred))
375
!= GNUTLS_E_SUCCESS) {
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fprintf (stderr, "GnuTLS memory error: %s\n",
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377
safer_gnutls_strerror(ret));
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378
gnutls_global_deinit ();
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488
}
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if(debug){
457
fprintf(stderr, "Setting up a tcp connection to %s, port %" PRIu16
458
"\n", ip, port);
491
fprintf(stderr, "Setting up a tcp connection to %s, port %d\n",
492
ip, port);
459
493
}
460
494
461
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tcp_sd = socket(PF_INET6, SOCK_STREAM, 0);
485
519
fprintf(stderr, "Bad address: %s\n", ip);
486
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return -1;
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521
}
488
to.in6.sin6_port = htons(port); /* Spurious warning */
522
to.in6.sin6_port = htons(port); /* Spurious warning */
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523
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to.in6.sin6_scope_id = (uint32_t)if_index;
491
525
492
526
if(debug){
493
fprintf(stderr, "Connection to: %s, port %" PRIu16 "\n", ip,
494
port);
527
fprintf(stderr, "Connection to: %s, port %d\n", ip, port);
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char addrstr[INET6_ADDRSTRLEN] = "";
496
529
if(inet_ntop(to.in6.sin6_family, &(to.in6.sin6_addr), addrstr,
497
530
sizeof(addrstr)) == NULL){
538
571
}
539
572
540
573
gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) tcp_sd);
541
542
do{
543
ret = gnutls_handshake (session);
544
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
574
575
ret = gnutls_handshake (session);
545
576
546
577
if (ret != GNUTLS_E_SUCCESS){
547
578
if(debug){
579
610
case GNUTLS_E_AGAIN:
580
611
break;
581
612
case GNUTLS_E_REHANDSHAKE:
582
do{
583
ret = gnutls_handshake (session);
584
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
613
ret = gnutls_handshake (session);
585
614
if (ret < 0){
586
615
fprintf(stderr, "*** GnuTLS Re-handshake failed ***\n");
587
616
gnutls_perror (ret);
676
705
char ip[AVAHI_ADDRESS_STR_MAX];
677
706
avahi_address_snprint(ip, sizeof(ip), address);
678
707
if(debug){
679
fprintf(stderr, "Mandos server \"%s\" found on %s (%s, %"
680
PRIu16 ") on port %d\n", name, host_name, ip,
681
interface, port);
708
fprintf(stderr, "Mandos server \"%s\" found on %s (%s, %d) on"
709
" port %d\n", name, host_name, ip, interface, port);
682
710
}
683
711
int ret = start_mandos_communication(ip, port, interface, mc);
684
712
if (ret == 0){
863
891
.args_doc = "",
864
892
.doc = "Mandos client -- Get and decrypt"
865
893
" passwords from mandos server" };
866
ret = argp_parse (&argp, argc, argv, 0, 0, NULL);
867
if (ret == ARGP_ERR_UNKNOWN){
868
fprintf(stderr, "Unknown error while parsing arguments\n");
869
exitcode = EXIT_FAILURE;
870
goto end;
871
}
894
argp_parse (&argp, argc, argv, 0, 0, NULL);
872
895
}
873
896
874
897
pubkeyfile = combinepath(keydir, pubkeyfile);
881
904
seckeyfile = combinepath(keydir, seckeyfile);
882
905
if (seckeyfile == NULL){
883
906
perror("combinepath");
884
exitcode = EXIT_FAILURE;
885
907
goto end;
886
908
}
887
909
888
910
ret = init_gnutls_global(&mc, pubkeyfile, seckeyfile);
889
911
if (ret == -1){
890
fprintf(stderr, "init_gnutls_global failed\n");
891
exitcode = EXIT_FAILURE;
912
fprintf(stderr, "init_gnutls_global\n");
892
913
goto end;
893
914
} else {
894
915
gnutls_initalized = true;
895
916
}
896
897
/* If the interface is down, bring it up */
898
{
899
sd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);
900
if(sd < 0) {
901
perror("socket");
902
exitcode = EXIT_FAILURE;
903
goto end;
904
}
905
strcpy(network.ifr_name, interface); /* Spurious warning */
906
ret = ioctl(sd, SIOCGIFFLAGS, &network);
907
if(ret == -1){
908
perror("ioctl SIOCGIFFLAGS");
909
exitcode = EXIT_FAILURE;
910
goto end;
911
}
912
if((network.ifr_flags & IFF_UP) == 0){
913
network.ifr_flags |= IFF_UP;
914
ret = ioctl(sd, SIOCSIFFLAGS, &network);
915
if(ret == -1){
916
perror("ioctl SIOCSIFFLAGS");
917
exitcode = EXIT_FAILURE;
918
goto end;
919
}
920
}
921
close(sd);
922
}
923
917
924
918
uid = getuid();
925
919
gid = getgid();
926
920
927
921
ret = setuid(uid);
928
922
if (ret == -1){
929
923
perror("setuid");
967
961
goto end;
968
962
}
969
963
964
/* If the interface is down, bring it up */
965
{
966
sd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);
967
if(sd < 0) {
968
perror("socket");
969
exitcode = EXIT_FAILURE;
970
goto end;
971
}
972
strcpy(network.ifr_name, interface); /* Spurious warning */
973
ret = ioctl(sd, SIOCGIFFLAGS, &network);
974
if(ret == -1){
975
perror("ioctl SIOCGIFFLAGS");
976
exitcode = EXIT_FAILURE;
977
goto end;
978
}
979
if((network.ifr_flags & IFF_UP) == 0){
980
network.ifr_flags |= IFF_UP;
981
ret = ioctl(sd, SIOCSIFFLAGS, &network);
982
if(ret == -1){
983
perror("ioctl SIOCSIFFLAGS");
984
exitcode = EXIT_FAILURE;
985
goto end;
986
}
987
}
988
close(sd);
989
}
990
970
991
if (not debug){
971
992
avahi_set_log_function(empty_log);
972
993
}
1048
1069
free(seckeyfile);
1049
1070
1050
1071
if (gnutls_initalized){
1051
gnutls_certificate_free_credentials(mc.cred);
1072
gnutls_certificate_free_credentials (mc.cred);
1052
1073
gnutls_global_deinit ();
1053
1074
}
1054
1075
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0