-
Notifications
You must be signed in to change notification settings - Fork 375
/
result.c
1823 lines (1555 loc) · 63.3 KB
/
result.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
* Copyright 2010 Red Hat Inc., Durham, North Carolina.
* All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Authors:
* Lukas Kuklinek <lkuklinek@redhat.com>
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <math.h>
#include <string.h>
#ifdef OS_WINDOWS
/* By defining WIN32_LEAN_AND_MEAN we ensure that Windows.h won't include
* winsock.h, which would conflict with symbols from WinSock2.h.
*/
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <winsock2.h>
#include <iphlpapi.h>
#include <windows.h>
#include <ws2def.h>
#include <io.h>
#include <winternl.h>
#include <lmcons.h>
#else
#include <unistd.h>
#endif
#ifdef OSCAP_UNIX
#include <sys/utsname.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <sys/socket.h>
#include <pwd.h>
#include <sys/types.h>
#endif
#if defined(OS_LINUX)
#include <ifaddrs.h>
#include <net/if.h>
#include <sys/ioctl.h>
#endif
#if defined(OS_FREEBSD)
#include <arpa/inet.h>
#include <arpa/inet.h>
#include <ifaddrs.h>
#include <net/if.h>
#include <netinet/in.h>
#include <sys/ioctl.h>
#include <sys/sockio.h>
#endif
#include "item.h"
#include "helpers.h"
#include "xccdf_impl.h"
#include "common/_error.h"
#include "oscap_text.h"
#include "common/debug_priv.h"
#include "source/oscap_source_priv.h"
#include "oscap_helpers.h"
#define XCCDF_NUMERIC_SIZE 32
#ifdef OS_WINDOWS
#define timezone _timezone
#endif
#ifndef HOST_NAME_MAX
#define HOST_NAME_MAX _POSIX_HOST_NAME_MAX
#endif
// References containing STIG Rule IDs can be found by their href attribute, it must match the following url
static const char *DISA_STIG_VIEWER_HREF[] = { "http://iase.disa.mil/stigs/Pages/stig-viewing-guidance.aspx",
"https://public.cyber.mil/stigs/srg-stig-tools/" };
// constants
static const xccdf_numeric XCCDF_SCORE_MAX_DAFAULT = 100.0f;
static const char *XCCDF_INSTANCE_DEFAULT_CONTEXT = "undefined";
const char *XCCDF_NUMERIC_FORMAT = "%f";
// prototypes
void xccdf_rule_result_free(struct xccdf_rule_result *rr);
void xccdf_identity_free(struct xccdf_identity *identity);
void xccdf_score_free(struct xccdf_score *score);
void xccdf_target_fact_free(struct xccdf_target_fact *fact);
void xccdf_message_free(struct xccdf_message *msg);
void xccdf_instance_free(struct xccdf_instance *inst);
void xccdf_override_free(struct xccdf_override *oride);
struct xccdf_result *xccdf_result_new(void)
{
struct xccdf_item *result = xccdf_item_new(XCCDF_RESULT, NULL);
oscap_create_lists(&result->sub.result.identities, &result->sub.result.targets,
&result->sub.result.remarks, &result->sub.result.target_addresses,
&result->sub.result.target_facts, &result->sub.result.target_id_refs, &result->sub.result.applicable_platforms,
&result->sub.result.setvalues, &result->sub.result.organizations,
&result->sub.result.rule_results, &result->sub.result.scores, NULL);
return XRESULT(result);
}
struct xccdf_result * xccdf_result_clone(const struct xccdf_result * result)
{
struct xccdf_item *new_result = calloc(1, sizeof(struct xccdf_item) + sizeof(struct xccdf_result_item));
struct xccdf_item *old = XITEM(result);
xccdf_item_base_clone(&new_result->item, &(old->item));
new_result->type = old->type;
xccdf_result_item_clone(&new_result->sub.result, &old->sub.result);
return XRESULT(new_result);
}
static inline void xccdf_result_free_impl(struct xccdf_item *result)
{
if (result != NULL) {
free(result->sub.result.start_time);
free(result->sub.result.end_time);
free(result->sub.result.test_system);
free(result->sub.result.benchmark_uri);
free(result->sub.result.profile);
oscap_list_free(result->sub.result.identities, (oscap_destruct_func) xccdf_identity_free);
oscap_list_free(result->sub.result.target_facts, (oscap_destruct_func) xccdf_target_fact_free);
oscap_list_free(result->sub.result.target_id_refs, (oscap_destruct_func) xccdf_target_identifier_free);
oscap_list_free(result->sub.result.applicable_platforms, free);
oscap_list_free(result->sub.result.targets, free);
oscap_list_free(result->sub.result.scores, (oscap_destruct_func) xccdf_score_free);
oscap_list_free(result->sub.result.remarks, (oscap_destruct_func) oscap_text_free);
oscap_list_free(result->sub.result.target_addresses, free);
oscap_list_free(result->sub.result.setvalues, (oscap_destruct_func) xccdf_setvalue_free);
oscap_list_free(result->sub.result.rule_results, (oscap_destruct_func) xccdf_rule_result_free);
oscap_list_free(result->sub.result.organizations, free);
xccdf_item_release(result);
}
}
XCCDF_FREE_GEN(result)
XCCDF_ACCESSOR_SIMPLE(result, const struct xccdf_version_info*, schema_version);
XCCDF_ACCESSOR_STRING(result, start_time)
XCCDF_ACCESSOR_STRING(result, end_time)
XCCDF_ACCESSOR_STRING(result, test_system)
XCCDF_ACCESSOR_STRING(result, benchmark_uri)
XCCDF_ACCESSOR_STRING(result, profile)
XCCDF_LISTMANIP(result, identity, identities)
XCCDF_LISTMANIP_STRING(result, target, targets)
XCCDF_LISTMANIP_STRING(result, target_address, target_addresses)
XCCDF_LISTMANIP_STRING(result, organization, organizations)
XCCDF_LISTMANIP_TEXT(result, remark, remarks)
XCCDF_LISTMANIP(result, target_fact, target_facts)
XCCDF_LISTMANIP(result, target_identifier, target_id_refs)
XCCDF_LISTMANIP_STRING(result, applicable_platform, applicable_platforms)
XCCDF_LISTMANIP(result, setvalue, setvalues)
XCCDF_LISTMANIP(result, rule_result, rule_results)
XCCDF_LISTMANIP(result, score, scores)
OSCAP_ITERATOR_GEN(xccdf_result)
OSCAP_ITERATOR_REMOVE_F(xccdf_result)
static inline void _xccdf_result_add_target_fact_uniq(struct xccdf_result *result, struct xccdf_target_fact *fact)
{
struct xccdf_target_fact_iterator *target_facts = xccdf_result_get_target_facts(result);
while (xccdf_target_fact_iterator_has_more(target_facts)) {
struct xccdf_target_fact *target_fact = xccdf_target_fact_iterator_next(target_facts);
if (target_fact->type == fact->type)
if (target_fact->name != NULL && fact->name != NULL && !strcmp(target_fact->name, fact->name))
if (target_fact->value != NULL && fact->value != NULL && !strcmp(target_fact->value, fact->value)) {
xccdf_target_fact_free(fact);
goto exit;
}
}
xccdf_result_add_target_fact(result, fact);
exit:
xccdf_target_fact_iterator_free(target_facts);
}
static inline void _xccdf_result_fill_scanner(struct xccdf_result *result)
{
struct xccdf_target_fact *fact = NULL;
fact = xccdf_target_fact_new();
xccdf_target_fact_set_name(fact, "urn:xccdf:fact:scanner:name");
xccdf_target_fact_set_string(fact, "OpenSCAP");
xccdf_result_add_target_fact(result, fact);
fact = xccdf_target_fact_new();
xccdf_target_fact_set_name(fact, "urn:xccdf:fact:scanner:version");
xccdf_target_fact_set_string(fact, oscap_get_version());
xccdf_result_add_target_fact(result, fact);
}
#if defined(OSCAP_UNIX)
static inline char *_unix_get_name_fallback(void) {
struct passwd *passwd;
errno = 0;
passwd = getpwuid(getuid());
if (passwd == NULL || passwd->pw_name == NULL) {
dW("Error when calling getpwuid(): %d, %s\n", errno, strerror(errno));
return "\0";
}
return passwd->pw_name;
}
#endif
static inline void _xccdf_result_fill_identity(struct xccdf_result *result)
{
struct xccdf_identity *id = xccdf_identity_new();
#if defined(OS_WINDOWS)
TCHAR w32_username[UNLEN + 1];
DWORD w32_usernamesize = UNLEN + 1;
#endif
// Reasoning here is that OpenSCAP does not authenticate user
// nor it grants she any additional privileges
xccdf_identity_set_authenticated(id, 0);
xccdf_identity_set_privileged(id, 0);
#ifdef OSCAP_UNIX
char *name = getlogin();
if (name == NULL)
name = _unix_get_name_fallback();
xccdf_identity_set_name(id, name);
#elif defined(OS_WINDOWS)
GetUserName((TCHAR *) w32_username, &w32_usernamesize); /* XXX: Check the return value? */
xccdf_identity_set_name(id, w32_username);
#else
# warning "_xccdf_result_fill_identity: no support for identity on this OS"
#endif
xccdf_result_add_identity(result, id);
}
static inline void _xccdf_result_clear_metadata(struct xccdf_item *result)
{
oscap_list_free(result->sub.result.targets, free);
oscap_list_free(result->sub.result.target_addresses, free);
oscap_list_free(result->sub.result.target_facts, (oscap_destruct_func) xccdf_target_fact_free);
oscap_list_free(result->sub.result.identities, (oscap_destruct_func) xccdf_identity_free);
oscap_create_lists(
&result->sub.result.targets,
&result->sub.result.target_addresses,
&result->sub.result.target_facts,
&result->sub.result.identities,
NULL);
}
#ifdef OSCAP_UNIX
static char *_get_etc_hostname(const char *oscap_probe_root)
{
FILE *fp;
char hname[HOST_NAME_MAX+1] = { '\0' };
char *ret = NULL;
int rc;
fp = oscap_fopen_with_prefix(oscap_probe_root, "/etc/hostname");
if (fp == NULL) {
dD("Trying to use /proc/sys/kernel/hostname instead of /etc/hostname");
fp = oscap_fopen_with_prefix(oscap_probe_root, "/proc/sys/kernel/hostname");
}
if (fp == NULL)
goto fail;
rc = fread(hname, 1, HOST_NAME_MAX, fp);
/* If file is empty, we don't want to allocate an empty string for it */
if (ferror(fp) || rc == 0 )
goto finish;
hname[strcspn(hname, "\n")] = '\0';
ret = strdup(hname);
finish:
fclose(fp);
fail:
return ret;
}
#endif
void xccdf_result_fill_sysinfo(struct xccdf_result *result)
{
#if defined(OS_LINUX) || defined(OS_FREEBSD)
struct ifaddrs *ifaddr, *ifa;
int fd;
#endif
struct xccdf_target_fact *fact = NULL;
const char *probe_root = getenv("OSCAP_PROBE_ROOT");
_xccdf_result_clear_metadata(XITEM(result));
_xccdf_result_fill_scanner(result);
#ifdef OSCAP_UNIX
char *hostname = NULL;
char *fqdn = NULL;
if (probe_root) {
hostname = _get_etc_hostname(probe_root);
} else {
char hname[_POSIX_HOST_NAME_MAX+1] = {0};
if (gethostname(hname, _POSIX_HOST_NAME_MAX)) {
dW("Unable to get hostname: %s", strerror(errno));
} else {
hostname = strdup(hname);
}
if (hostname) {
struct addrinfo hints, *info, *p;
int gai_res;
memset(&hints, 0, sizeof hints);
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_flags = AI_CANONNAME;
if (!(gai_res = getaddrinfo(hostname, NULL, &hints, &info))) {
for(p = info; p != NULL; p = p->ai_next) {
if (!p->ai_canonname)
continue;
fact = xccdf_target_fact_new();
xccdf_target_fact_set_name(fact, "urn:xccdf:fact:asset:identifier:fqdn");
xccdf_target_fact_set_string(fact, p->ai_canonname);
/* store FQDN under XCCDF1.2 (6.6.3) predefined name */
_xccdf_result_add_target_fact_uniq(result, fact);
if (!fqdn)
fqdn = strdup(p->ai_canonname);
}
freeaddrinfo(info);
} else {
dI("Unable to get FQDN(s) via getaddrinfo: %s", gai_strerror(gai_res));
}
}
}
/* store target's host name */
xccdf_result_add_target(result, fqdn ? fqdn : (hostname ? hostname : "unknown"));
if (hostname) {
fact = xccdf_target_fact_new();
xccdf_target_fact_set_name(fact, "urn:xccdf:fact:asset:identifier:host_name");
xccdf_target_fact_set_string(fact, hostname);
/* store host name under XCCDF1.2 (6.6.3) predefined name */
xccdf_result_add_target_fact(result, fact);
}
free(hostname);
free(fqdn);
#elif defined(OS_WINDOWS)
TCHAR computer_name[MAX_COMPUTERNAME_LENGTH + 1];
DWORD computer_name_size = MAX_COMPUTERNAME_LENGTH + 1;
GetComputerName(computer_name, &computer_name_size);
/* store target name */
xccdf_result_add_target(result, computer_name);
fact = xccdf_target_fact_new();
xccdf_target_fact_set_name(fact, "urn:xccdf:fact:asset:identifier:host_name");
xccdf_target_fact_set_string(fact, computer_name);
/* store host name under XCCDF1.2 (6.6.3) predefined name */
xccdf_result_add_target_fact(result, fact);
#endif
const char *ev_target = getenv("OSCAP_EVALUATION_TARGET");
if (ev_target) {
fact = xccdf_target_fact_new();
xccdf_target_fact_set_name(fact, "urn:xccdf:fact:identifier");
xccdf_target_fact_set_string(fact, ev_target);
xccdf_result_add_target_fact(result, fact);
fact = xccdf_target_fact_new();
xccdf_target_fact_set_name(fact, "urn:xccdf:fact:asset:identifier:ein");
xccdf_target_fact_set_string(fact, ev_target);
/* store target id under XCCDF1.2 (6.6.3) predefined name */
xccdf_result_add_target_fact(result, fact);
}
if (!probe_root)
_xccdf_result_fill_identity(result);
#if defined(OS_LINUX) || defined(OS_FREEBSD)
if (!probe_root) {
/* get network interfaces */
if (getifaddrs(&ifaddr) == -1)
return;
fd = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP);
if (fd == -1)
goto out1;
for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
int family;
char hostip[NI_MAXHOST];
struct ifreq ifr;
if (!ifa->ifa_addr)
continue;
family = ifa->ifa_addr->sa_family;
if (family == AF_INET || family == AF_INET6) {
if (family == AF_INET) {
if (getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in),
hostip, sizeof(hostip), NULL, 0, NI_NUMERICHOST))
goto out2;
} else if (family == AF_INET6) {
struct sockaddr_in6 *sin6;
sin6 = (struct sockaddr_in6 *) ifa->ifa_addr;
if (!inet_ntop(family, (const void *) &sin6->sin6_addr,
hostip, sizeof(hostip)))
goto out2;
}
/* store ip address */
xccdf_result_add_target_address(result, hostip);
fact = xccdf_target_fact_new();
xccdf_target_fact_set_name(fact, family == AF_INET ? "urn:xccdf:fact:asset:identifier:ipv4" : "urn:xccdf:fact:asset:identifier:ipv6");
xccdf_target_fact_set_string(fact, hostip);
/* store ipv4(6) address under XCCDF1.2 (6.6.3) predefined name */
_xccdf_result_add_target_fact_uniq(result, fact);
}
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, ifa->ifa_name, IFNAMSIZ);
ifr.ifr_name[IFNAMSIZ - 1] = 0;
#if defined(OS_LINUX)
if (ioctl(fd, SIOCGIFHWADDR, &ifr) >= 0) {
unsigned char mac[6];
char macbuf[20];
memcpy(mac, ifr.ifr_hwaddr.sa_data, sizeof(mac));
snprintf(macbuf, sizeof(macbuf), "%02X:%02X:%02X:%02X:%02X:%02X",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
#elif defined(OS_FREEBSD)
if (ioctl(fd, SIOCGHWADDR, &ifr) >= 0) {
unsigned char mac[6];
char macbuf[20];
memcpy(mac, ifr.ifr_addr.sa_data, sizeof(mac));
snprintf(macbuf, sizeof(macbuf), "%02X:%02X:%02X:%02X:%02X:%02X",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
#endif
fact = xccdf_target_fact_new();
xccdf_target_fact_set_name(fact, "urn:xccdf:fact:ethernet:MAC");
xccdf_target_fact_set_string(fact, macbuf);
/* store mac address */
_xccdf_result_add_target_fact_uniq(result, fact);
fact = xccdf_target_fact_new();
xccdf_target_fact_set_name(fact, "urn:xccdf:fact:asset:identifier:mac");
xccdf_target_fact_set_string(fact, macbuf);
/* store mac address under XCCDF1.2 (6.6.3) predefined name */
_xccdf_result_add_target_fact_uniq(result, fact);
}
}
out2:
close(fd);
out1:
freeifaddrs(ifaddr);
}
#elif defined(OS_WINDOWS)
#define VERSION_LEN 32
/* Microsoft recommends to start with a 15 kB buffer for GetAdaptersAddresses. */
#define ADDRESSES_BUFFER_SIZE 15000
#define MAX_TRIES 3
#define MAX_IP_ADDRESS_STRING_LENGTH 128
/*
* Use the MAKEWORD(lowbyte, highbyte) macro declared in Windef.h
* to define the Windows Socket specification version we will use.
* The current version of the Windows Sockets specification is version 2.2.
* Version 2.2 is supported on all systems since Windows 95 OSR2.
*/
WORD requested_version = MAKEWORD(2, 2);
WSADATA wsa_data;
int err = WSAStartup(requested_version, &wsa_data);
if (err != 0) {
char *error_message = oscap_windows_error_message(err);
dE("Can't initialize Winsock DLL. WSAStartup failed: %s", error_message);
free(error_message);
return;
}
PIP_ADAPTER_ADDRESSES addresses = NULL;
ULONG ret_val = 0;
ULONG addresses_size = ADDRESSES_BUFFER_SIZE;
ULONG family = AF_UNSPEC; // both IPv4 and IPv6
ULONG flags = GAA_FLAG_INCLUDE_PREFIX;
int iterations = 0;
/* Try to get information about network adapters and their adresses */
do {
addresses = malloc(addresses_size);
ret_val = GetAdaptersAddresses(family, flags, NULL, addresses, &addresses_size);
if (ret_val == ERROR_BUFFER_OVERFLOW) {
free(addresses);
addresses = NULL;
}
iterations++;
} while (ret_val == ERROR_BUFFER_OVERFLOW && iterations < MAX_TRIES);
if (ret_val != NO_ERROR) {
char *error_message = oscap_windows_error_message(err);
dE("Can't get information about network adapters and their adresses. %s", error_message);
free(error_message);
free(addresses);
WSACleanup();
return;
}
/* Iterate over all network adapters */
PIP_ADAPTER_ADDRESSES current_address = addresses;
while (current_address != NULL) {
/* MAC address */
char *mac_address_str = NULL;
if (current_address->PhysicalAddressLength != 0) {
/* n bytes of MAC address will be printed as:
(2 * n) hexa numbers + (n - 1) delimiters + 1 terminating null byte = 3 * n */
const size_t mac_address_str_len = current_address->PhysicalAddressLength * 3;
mac_address_str = malloc(mac_address_str_len);
for (unsigned i = 0; i < current_address->PhysicalAddressLength; i++) {
if (i == (current_address->PhysicalAddressLength - 1)) {
snprintf(mac_address_str + i * 3, mac_address_str_len, "%.2X",
(int)current_address->PhysicalAddress[i]);
}
else {
snprintf(mac_address_str + i * 3, mac_address_str_len, "%.2X-",
(int)current_address->PhysicalAddress[i]);
}
}
/* Add the MAC address to XCCDF TestResult/target-facts */
struct xccdf_target_fact *fact = xccdf_target_fact_new();
xccdf_target_fact_set_name(fact, "urn:xccdf:fact:ethernet:MAC");
xccdf_target_fact_set_string(fact, mac_address_str);
/* store mac address */
_xccdf_result_add_target_fact_uniq(result, fact);
fact = xccdf_target_fact_new();
xccdf_target_fact_set_name(fact, "urn:xccdf:fact:asset:identifier:mac");
xccdf_target_fact_set_string(fact, mac_address_str);
/* store mac address under XCCDF1.2 (6.6.3) predefined name */
_xccdf_result_add_target_fact_uniq(result, fact);
free(mac_address_str);
}
/* Iterate over all unicast IP addresses of the network interface */
PIP_ADAPTER_UNICAST_ADDRESS unicast_address = current_address->FirstUnicastAddress;
while (unicast_address != NULL) {
SOCKET_ADDRESS socket_address = unicast_address->Address;
WCHAR ip_address_wstr[MAX_IP_ADDRESS_STRING_LENGTH];
DWORD ip_address_wstr_length = MAX_IP_ADDRESS_STRING_LENGTH;
int rc = WSAAddressToStringW(socket_address.lpSockaddr, socket_address.iSockaddrLength, NULL, ip_address_wstr, &ip_address_wstr_length);
if (rc != 0) {
free(addresses);
WSACleanup();
return;
}
/* Add the IP address to XCCDF TestResult/target-address */
char *ip_address_str = oscap_windows_wstr_to_str(ip_address_wstr);
xccdf_result_add_target_address(result, ip_address_str);
fact = xccdf_target_fact_new();
xccdf_target_fact_set_name(fact, socket_address.lpSockaddr->sa_family == AF_INET ? "urn:xccdf:fact:asset:identifier:ipv4" : "urn:xccdf:fact:asset:identifier:ipv6");
xccdf_target_fact_set_string(fact, ip_address_str);
/* store ipv4(6) address under XCCDF1.2 (6.6.3) predefined name */
_xccdf_result_add_target_fact_uniq(result, fact);
free(ip_address_str);
unicast_address = unicast_address->Next;
}
current_address = current_address->Next;
}
free(addresses);
WSACleanup();
return 0;
#endif
}
struct xccdf_rule_result *xccdf_rule_result_new(void)
{
struct xccdf_rule_result *rr = calloc(1, sizeof(struct xccdf_rule_result));
oscap_create_lists(&rr->overrides, &rr->idents, &rr->messages,
&rr->instances, &rr->fixes, &rr->checks, NULL);
return rr;
}
void xccdf_rule_result_free(struct xccdf_rule_result *rr)
{
if (rr != NULL) {
free(rr->idref);
free(rr->version);
free(rr->time);
oscap_list_free(rr->overrides, (oscap_destruct_func) xccdf_override_free);
oscap_list_free(rr->idents, (oscap_destruct_func) xccdf_ident_free);
oscap_list_free(rr->messages, (oscap_destruct_func) xccdf_message_free);
oscap_list_free(rr->instances, (oscap_destruct_func) xccdf_instance_free);
oscap_list_free(rr->fixes, (oscap_destruct_func) xccdf_fix_free);
oscap_list_free(rr->checks, (oscap_destruct_func) xccdf_check_free);
free(rr);
}
}
OSCAP_ACCESSOR_SIMPLE(xccdf_role_t, xccdf_rule_result, role)
OSCAP_ACCESSOR_SIMPLE(float, xccdf_rule_result, weight)
OSCAP_ACCESSOR_SIMPLE(xccdf_level_t, xccdf_rule_result, severity)
OSCAP_ACCESSOR_SIMPLE(xccdf_test_result_type_t, xccdf_rule_result, result)
OSCAP_ACCESSOR_STRING(xccdf_rule_result, time)
OSCAP_ACCESSOR_STRING(xccdf_rule_result, version)
OSCAP_ACCESSOR_STRING(xccdf_rule_result, idref)
OSCAP_IGETINS(xccdf_ident, xccdf_rule_result, idents, ident)
OSCAP_IGETINS(xccdf_fix, xccdf_rule_result, fixes, fix)
OSCAP_IGETINS(xccdf_check, xccdf_rule_result, checks, check)
OSCAP_IGETINS_GEN(xccdf_override, xccdf_rule_result, overrides, override)
OSCAP_ITERATOR_REMOVE_F(xccdf_override)
OSCAP_IGETINS_GEN(xccdf_message, xccdf_rule_result, messages, message)
OSCAP_ITERATOR_REMOVE_F(xccdf_message)
OSCAP_IGETINS_GEN(xccdf_instance, xccdf_rule_result, instances, instance)
OSCAP_ITERATOR_REMOVE_F(xccdf_instance)
OSCAP_ITERATOR_GEN(xccdf_rule_result)
OSCAP_ITERATOR_REMOVE_F(xccdf_rule_result)
struct xccdf_identity *xccdf_identity_new(void)
{
return calloc(1, sizeof(struct xccdf_identity));
}
void xccdf_identity_free(struct xccdf_identity *identity)
{
if (identity != NULL) {
free(identity->name);
free(identity);
}
}
OSCAP_ACCESSOR_EXP(bool, xccdf_identity, authenticated, sub.authenticated)
OSCAP_ACCESSOR_EXP(bool, xccdf_identity, privileged, sub.privileged)
OSCAP_ACCESSOR_STRING(xccdf_identity, name)
OSCAP_ITERATOR_GEN(xccdf_identity)
OSCAP_ITERATOR_REMOVE_F(xccdf_identity)
struct xccdf_score *xccdf_score_new(void)
{
struct xccdf_score *score = calloc(1, sizeof(struct xccdf_score));
score->score = NAN;
score->maximum = XCCDF_SCORE_MAX_DAFAULT;
return score;
}
void xccdf_score_free(struct xccdf_score *score)
{
if (score != NULL) {
free(score->system);
free(score);
}
}
OSCAP_ACCESSOR_SIMPLE(xccdf_numeric, xccdf_score, maximum)
OSCAP_ACCESSOR_SIMPLE(xccdf_numeric, xccdf_score, score)
OSCAP_ACCESSOR_STRING(xccdf_score, system)
OSCAP_ITERATOR_GEN(xccdf_score)
OSCAP_ITERATOR_REMOVE_F(xccdf_score)
struct xccdf_override *xccdf_override_new(void)
{
return calloc(1, sizeof(struct xccdf_override));
}
void xccdf_override_free(struct xccdf_override *oride)
{
if (oride != NULL) {
free(oride->authority);
oscap_text_free(oride->remark);
free(oride);
}
}
OSCAP_ACCESSOR_SIMPLE(xccdf_test_result_type_t, xccdf_override, new_result)
OSCAP_ACCESSOR_SIMPLE(xccdf_test_result_type_t, xccdf_override, old_result)
OSCAP_ACCESSOR_STRING(xccdf_override, time)
OSCAP_ACCESSOR_STRING(xccdf_override, authority)
OSCAP_ACCESSOR_TEXT(xccdf_override, remark)
struct xccdf_message *xccdf_message_new(void)
{
return calloc(1, sizeof(struct xccdf_message));
}
void xccdf_message_free(struct xccdf_message *msg)
{
if (msg != NULL) {
free(msg->content);
free(msg);
}
}
bool xccdf_message_set_content(struct xccdf_message *obj, const char *newval){
// in debug mode, we handle all new messages in case where the xccdf_message is never displayed
dD("XCCDF_SET_MESSAGE: %s", newval);
free(obj->content);
obj->content=oscap_strdup(newval);
return true;
}
OSCAP_ACCESSOR_SIMPLE(xccdf_message_severity_t, xccdf_message, severity)
OSCAP_GETTER(const char*, xccdf_message, content)
struct xccdf_target_fact* xccdf_target_fact_new(void)
{
return calloc(1, sizeof(struct xccdf_target_fact));
}
void xccdf_target_fact_free(struct xccdf_target_fact *fact)
{
if (fact != NULL) {
free(fact->name);
free(fact->value);
free(fact);
}
}
static inline bool xccdf_target_fact_set_value(struct xccdf_target_fact *fact, xccdf_value_type_t type, const char *str)
{
assert(fact != NULL);
free(fact->value);
fact->value = oscap_strdup(str);
fact->type = type;
return true;
}
bool xccdf_target_fact_set_string(struct xccdf_target_fact *fact, const char *str)
{
return xccdf_target_fact_set_value(fact, XCCDF_TYPE_STRING, str);
}
bool xccdf_target_fact_set_number(struct xccdf_target_fact *fact, xccdf_numeric val)
{
char buff[XCCDF_NUMERIC_SIZE];
sprintf(buff, XCCDF_NUMERIC_FORMAT, val);
return xccdf_target_fact_set_value(fact, XCCDF_TYPE_NUMBER, buff);
}
bool xccdf_target_fact_set_boolean(struct xccdf_target_fact *fact, bool val)
{
return xccdf_target_fact_set_value(fact, XCCDF_TYPE_BOOLEAN, oscap_enum_to_string(OSCAP_BOOL_MAP, val));
}
OSCAP_GETTER(xccdf_value_type_t, xccdf_target_fact, type)
OSCAP_GETTER(const char *, xccdf_target_fact, value)
OSCAP_ACCESSOR_STRING(xccdf_target_fact, name)
OSCAP_ITERATOR_GEN(xccdf_target_fact)
OSCAP_ITERATOR_REMOVE_F(xccdf_target_fact)
struct xccdf_target_identifier* xccdf_target_identifier_new(void)
{
return calloc(1, sizeof(struct xccdf_target_identifier));
}
struct xccdf_target_identifier* xccdf_target_identifier_clone(const struct xccdf_target_identifier* ti)
{
struct xccdf_target_identifier* ret = xccdf_target_identifier_new();
if (xccdf_target_identifier_get_xml_node(ti)) {
xccdf_target_identifier_set_xml_node(ret, xccdf_target_identifier_get_xml_node(ti));
}
else {
xccdf_target_identifier_set_system(ret, xccdf_target_identifier_get_system(ti));
xccdf_target_identifier_set_name(ret, xccdf_target_identifier_get_name(ti));
xccdf_target_identifier_set_href(ret, xccdf_target_identifier_get_href(ti));
}
return ret;
}
void xccdf_target_identifier_free(struct xccdf_target_identifier *ti)
{
if (ti != NULL) {
if (ti->any_element) {
xmlFreeNode(ti->element);
}
else {
free(ti->system);
free(ti->href);
free(ti->name);
}
free(ti);
}
}
bool xccdf_target_identifier_set_xml_node(struct xccdf_target_identifier *ti, void* node)
{
if (!ti->any_element) {
free(ti->system);
free(ti->href);
free(ti->name);
}
else if (ti->element)
xmlFreeNode(ti->element);
ti->any_element = true;
ti->element = (xmlNodePtr)node;
return true;
}
void* xccdf_target_identifier_get_xml_node(const struct xccdf_target_identifier* ti)
{
if (!ti->any_element)
return NULL;
return ti->element;
}
bool xccdf_target_identifier_set_system(struct xccdf_target_identifier *ti, const char *newval)
{
if (ti->any_element) {
if (ti->element)
xmlFreeNode(ti->element);
}
ti->any_element = false;
free(ti->system);
ti->system = oscap_strdup(newval);
return true;
}
const char* xccdf_target_identifier_get_system(const struct xccdf_target_identifier* ti)
{
if (ti->any_element)
return NULL;
return ti->system;
}
bool xccdf_target_identifier_set_href(struct xccdf_target_identifier *ti, const char *newval)
{
if (ti->any_element) {
if (ti->element)
xmlFreeNode(ti->element);
}
ti->any_element = false;
free(ti->href);
ti->href = oscap_strdup(newval);
return true;
}
const char* xccdf_target_identifier_get_href(const struct xccdf_target_identifier* ti)
{
if (ti->any_element)
return NULL;
return ti->href;
}
bool xccdf_target_identifier_set_name(struct xccdf_target_identifier *ti, const char *newval)
{
if (ti->any_element) {
if (ti->element)
xmlFreeNode(ti->element);
}
ti->any_element = false;
free(ti->name);
ti->name = oscap_strdup(newval);
return true;
}
const char* xccdf_target_identifier_get_name(const struct xccdf_target_identifier* ti)
{
if (ti->any_element)
return NULL;
return ti->name;
}
OSCAP_ITERATOR_GEN(xccdf_target_identifier)
OSCAP_ITERATOR_REMOVE_F(xccdf_target_identifier)
struct xccdf_instance *xccdf_instance_new(void)
{
struct xccdf_instance *inst = calloc(1, sizeof(struct xccdf_instance));
inst->context = oscap_strdup(XCCDF_INSTANCE_DEFAULT_CONTEXT);
return inst;
}
void xccdf_instance_free(struct xccdf_instance *inst)
{
if (inst != NULL) {
free(inst->context);
free(inst->parent_context);
free(inst->content);
free(inst);
}
}
OSCAP_ACCESSOR_STRING(xccdf_instance, context)
OSCAP_ACCESSOR_STRING(xccdf_instance, parent_context)
OSCAP_ACCESSOR_STRING(xccdf_instance, content)
/* ------ string maps ------ */
const struct oscap_string_map XCCDF_FACT_TYPE_MAP[] = {
{ XCCDF_TYPE_BOOLEAN, "boolean" },
{ XCCDF_TYPE_STRING, "string" },
{ XCCDF_TYPE_NUMBER, "number" },
{ XCCDF_TYPE_BOOLEAN, NULL }
};
const struct oscap_string_map XCCDF_RESULT_MAP[] = {
{ XCCDF_RESULT_PASS, "pass" },
{ XCCDF_RESULT_FAIL, "fail" },
{ XCCDF_RESULT_ERROR, "error" },
{ XCCDF_RESULT_UNKNOWN, "unknown" },
{ XCCDF_RESULT_NOT_APPLICABLE, "notapplicable" },
{ XCCDF_RESULT_NOT_CHECKED, "notchecked" },
{ XCCDF_RESULT_NOT_SELECTED, "notselected" },
{ XCCDF_RESULT_INFORMATIONAL, "informational" },
{ XCCDF_RESULT_FIXED, "fixed" },
{ 0, NULL }
};
/* --------- import -------- */
static struct xccdf_identity *xccdf_identity_new_parse(xmlTextReaderPtr reader);
static struct xccdf_target_fact *xccdf_target_fact_new_parse(xmlTextReaderPtr reader);
static struct xccdf_target_identifier *xccdf_target_identifier_new_parse(xmlTextReaderPtr reader);
static struct xccdf_score *xccdf_score_new_parse(xmlTextReaderPtr reader);
static struct xccdf_rule_result *xccdf_rule_result_new_parse(xmlTextReaderPtr reader);
static struct xccdf_override *xccdf_override_new_parse(xmlTextReaderPtr reader);
static struct xccdf_message *xccdf_message_new_parse(xmlTextReaderPtr reader);
static struct xccdf_instance *xccdf_instance_new_parse(xmlTextReaderPtr reader);
struct xccdf_result *xccdf_result_import_source(struct oscap_source *source)
{
xmlTextReader *reader = oscap_source_get_xmlTextReader(source);
if (reader == NULL) {
return NULL;
}
while (xmlTextReaderRead(reader) == 1
&& xmlTextReaderNodeType(reader) != XML_READER_TYPE_ELEMENT);
struct xccdf_result *result = xccdf_result_new_parse(reader);
xmlFreeTextReader(reader);
return result;
}
struct xccdf_result *xccdf_result_new_parse(xmlTextReaderPtr reader)
{
assert(reader != NULL);
if (xccdf_element_get(reader) != XCCDFE_TESTRESULT) {
oscap_seterr(OSCAP_EFAMILY_XCCDF, "Expected 'TestResult' element while found '%s'.",
xmlTextReaderConstLocalName(reader));
return NULL;
}
struct xccdf_item *res = XITEM(xccdf_result_new());
xccdf_result_set_schema_version(XRESULT(res), xccdf_detect_version_parser(reader));
if (!xccdf_item_process_attributes(res, reader))
goto fail;
/* end time attribute is mandatory */
if (!xccdf_attribute_has(reader, XCCDFA_END_TIME)) {
oscap_seterr(OSCAP_EFAMILY_XCCDF, "Missing end-time attribute in TestResult element: %s", xccdf_item_get_id(res));
goto fail;
}
res->sub.result.end_time = xccdf_attribute_copy(reader, XCCDFA_END_TIME);
res->sub.result.start_time = xccdf_attribute_copy(reader, XCCDFA_START_TIME);
res->item.version = xccdf_attribute_copy(reader, XCCDFA_VERSION);
res->sub.result.test_system = xccdf_attribute_copy(reader, XCCDFA_TEST_SYSTEM);
int depth = oscap_element_depth(reader) + 1;
while (oscap_to_start_element(reader, depth)) {
switch (xccdf_element_get(reader)) {