Newer
Older
/*********************************************************************
######################################################################
##
## Created by: Denis Filatov
##
## Copyleft (c) 2015
## This code is provided under the CeCill-C license agreement.
######################################################################
*********************************************************************/
#define _CRT_SECURE_NO_WARNINGS
#define _USE_MATH_DEFINES
#include <stdio.h>
#include "../cxml/cxml.h"
#include "../cshared/copts.h"
#include "../cshared/cserialize.h"
#include "../cshared/cstr.h"
#include "../cshared/cring.h"
#include "../cshared/cmem.h"
#include "ecc_api.h"
#include "mkgmtime.h"
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <assert.h>
#include <limits.h>
#include <time.h>
#include <math.h>
#if defined(__CYGWIN__)
#define floorl(X) __builtin_floor(X)
#endif
//#define DEBUG_BOOKMARKS
//#define DEBUG_DATA
#define MAX_BOOKMARKS 16
typedef struct bookmark_t bookmark_t;
struct bookmark_t {
bookmark_t * prev;
char * ptr;
};
typedef enum {
si_self,
si_digest,
si_certificate,
si_certificate_chain,
si_digest_with_other_algorithm,
si_other
} SignerInfoType;
typedef struct cert_cxml_handler_t
{
cxml_handler_t h;
unsigned int subject_type;
int signer_type;
const char * signer;
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
int vr_type;
int sa_type;
void * verificationKey;
void * encryptionKey;
int pk_alg;
int pk_sym_alg;
int pk_ptype;
char * pk_data;
int pk_datasize;
char * buf;
char * ptr;
const char * end;
char * bookmarks[MAX_BOOKMARKS];
int bidx;
unsigned int nTmpValue;
void * key;
}cert_cxml_handler_t;
static void bookmark_position(cert_cxml_handler_t * const h, const cxml_tag_t * tag)
{
if (h->bidx >= MAX_BOOKMARKS){
fprintf(stderr, "FATAL: Profile is tooooooo complicated!!!\n");
exit(-1);
}
h->bookmarks[h->bidx] = h->ptr;
h->bidx++;
h->ptr++;
#ifdef DEBUG_BOOKMARKS
printf("BOOKMARK 0x%08X (%s)\n", (unsigned int)h->ptr, tag->name);
#endif
}
static int apply_bookmark_size(cert_cxml_handler_t * const h, const cxml_tag_t * tag)
{
int size, bcount;
char * psize;
if (h->bidx == 0){
fprintf(stderr, "FATAL: Inconsistent bookmarks!!!\n");
exit(-1);
}
psize = h->bookmarks[--h->bidx];
size = h->ptr - psize - 1;
#ifdef DEBUG_BOOKMARKS
printf("APPLY 0x%08X [%d] (%s)\n", (unsigned int)h->ptr, size, tag->name);
#endif
bcount = cintx_bytecount(size);
if (bcount == 1){
*(unsigned char*)psize = size;
size = 0;
}
else{
memmove(psize + bcount, psize + 1, h->ptr - psize - 1);
h->ptr += bcount - 1;
size = cintx_write(size, &psize, psize + bcount, NULL);
}
return size; // size is overridden to be 0 or -1
}
static int attribute_public_key_tag (cxml_handler_t* const h, cxml_tag_t * const tag);
static int attribute_eccpoint_tag (cxml_handler_t* const h, cxml_tag_t * const tag);
static int attribute_eccpoint_text (cxml_handler_t* const h, char * const text, int length);
static int attribute_assurance_tag (cxml_handler_t* const h, cxml_tag_t * const tag);
static int attribute_aid_tag (cxml_handler_t* const h, cxml_tag_t * const tag);
static int attribute_ssp_tag (cxml_handler_t* const h, cxml_tag_t * const tag);
static int attribute_ssp_text (cxml_handler_t* const h, char * const text, int length);
static const cxml_taghandler_t h_publickey[] = {
{ "eccpoint", attribute_eccpoint_tag, attribute_eccpoint_text, NULL },
{ "ecc-point", attribute_eccpoint_tag, attribute_eccpoint_text, NULL },
{ "ecc_point", attribute_eccpoint_tag, attribute_eccpoint_text, NULL },
{ NULL }
};
static const cxml_taghandler_t h_attribute[] = {
{ "public-key", attribute_public_key_tag, NULL, h_publickey },
{ "public_key", attribute_public_key_tag, NULL, h_publickey },
{ "publickey", attribute_public_key_tag, NULL, h_publickey },
{ "eccpoint", attribute_eccpoint_tag, attribute_eccpoint_text, NULL },
{ "ecc-point", attribute_eccpoint_tag, attribute_eccpoint_text, NULL },
{ "ecc_point", attribute_eccpoint_tag, attribute_eccpoint_text, NULL },
{ "assurance", attribute_assurance_tag, NULL, NULL },
{ "aid", attribute_aid_tag, NULL, NULL },
{ "ssp", attribute_ssp_tag, attribute_ssp_text, NULL },
{ NULL }
};
static int subject_attribute_tag (cxml_handler_t* const h, cxml_tag_t * const tag);
static const cxml_taghandler_t h_subject[] = {
{"attribute", subject_attribute_tag, NULL, h_attribute},
{NULL}
};
static int location_tag (cxml_handler_t* const h, cxml_tag_t * const tag);
static const cxml_taghandler_t h_location_list [] = {
{"location", location_tag, NULL, NULL },
{NULL}
};
static int region_none_tag (cxml_handler_t* const h, cxml_tag_t * const tag);
static int region_circle_tag (cxml_handler_t* const h, cxml_tag_t * const tag);
static int region_rectangle_tag (cxml_handler_t* const h, cxml_tag_t * const tag);
static int region_polygon_tag (cxml_handler_t* const h, cxml_tag_t * const tag);
static int region_id_tag(cxml_handler_t* const h, cxml_tag_t * const tag);
static int region_region_tag(cxml_handler_t* const h, cxml_tag_t * const tag);
static int region_region_text(cxml_handler_t* const h, char * const text, int length);
static const cxml_taghandler_t h_restriction[] = {
{"region", region_region_tag, region_region_text, NULL },
{"none", region_none_tag, NULL, NULL },
{"circle", region_circle_tag, NULL, NULL },
{"rectangle", region_rectangle_tag, NULL, h_location_list },
{"polygon", region_polygon_tag, NULL, h_location_list },
{"id", region_id_tag, NULL, NULL },
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
{NULL}
};
static int validity_restriction_tag (cxml_handler_t* const h, cxml_tag_t * const tag);
static const cxml_taghandler_t h_validity[] = {
{"restriction", validity_restriction_tag, NULL, h_restriction },
{NULL}
};
static int certificate_version_tag (cxml_handler_t* const h, cxml_tag_t * const tag);
static int certificate_version_text(cxml_handler_t* const h, char * const text, int length);
static int certificate_signer_tag (cxml_handler_t* const h, cxml_tag_t * const tag);
static int certificate_signer_text(cxml_handler_t* const h, char * const text, int length);
static int certificate_subject_tag (cxml_handler_t* const h, cxml_tag_t * const tag);
static int certificate_validity_tag (cxml_handler_t* const h, cxml_tag_t * const tag);
static int certificate_signature_tag (cxml_handler_t* const h, cxml_tag_t * const tag);
static const cxml_taghandler_t h_certificate[] = {
{"version", certificate_version_tag, certificate_version_text, NULL },
{"signer", certificate_signer_tag, certificate_signer_text, NULL },
{"subject", certificate_subject_tag, NULL, h_subject },
{"validity", certificate_validity_tag, NULL, h_validity },
{"signature", certificate_signature_tag, NULL, h_validity },
{NULL}
};
static int root_certificate_tag (cxml_handler_t* const h, cxml_tag_t * const tag);
static const cxml_taghandler_t h_root[] = {
{"certificate", root_certificate_tag, NULL, h_certificate },
{NULL}
};
static int _Begin_Tag(cxml_handler_t* const h, cxml_tag_t * const tag);
static int _End_Tag(cxml_handler_t* const h, cxml_tag_t * const tag);
static int _Text(cxml_handler_t* const h, char * const text, int length);
static cxml_handler_class Class = {
sizeof(cert_cxml_handler_t),
NULL, NULL,
_Begin_Tag, _End_Tag,
_Text
};
#define STR2ENUM(N,V) _str_2_enum(N, sizeof(N)/sizeof(N[0]), V)
static int _str_2_enum(const char ** values, size_t size, const char * v)
{
while (*v && cisspace(*v))v++;
if (*v){
size_t i;
for (i = 0; i<size; i++){
if (values[i] && 0 == strcmp(values[i], v)) {
return i;
}
}
if (cisdigit(*v)){
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
return strtoul(v, NULL, 0);
}
}
return -1;
}
#ifdef DEBUG_DATA
static void print_x(FILE * f, const char * ptr, int len)
{
const unsigned char * e = (const unsigned char *)(ptr + len);
for (; ptr < e; ptr++){
unsigned char c = *ptr;
fprintf(f, "%02X", c);
}
}
#endif
static unsigned int _convert_time(const char * v);
static const char *_outPath = ".";
static const char *_searchPath = NULL;
static const char *_certName = NULL;
static char *_profileName = NULL;
static const char *_signerName = NULL;
static unsigned int _defaultTime = 0;
static ecc_format _outFormat = 0;
static const char * _verificationKey = NULL;
static const char * _decriptionKey = NULL;
static const char * _keyPath = NULL;
static int _reuseKeys = 0;
static long _refLat = 0;
static long _refLon = 0;
static const long double _latTMDPerMetter = 180.0 / M_PI / 0.6378;
static long double _lonTMDPerMetter = 180.0 / M_PI / 0.6378;
static const char * _cfgFile = NULL;
static void _setup_default_time()
{
time_t t;
struct tm * ptm;
struct tm tm = {0};
memset(&tm, 0, sizeof(tm));
time(&t);
ptm = gmtime(&t);
tm.tm_mday = 1;
tm.tm_year = ptm->tm_year;
_defaultTime = mkitstime32(&tm);
}
static int _time_option(const copt_t * opt, const char * option, const copt_value_t * value)
{
_defaultTime = _convert_time(value->v_str);
return (_defaultTime == (unsigned int)-1) ? -1 : 0;
}
static int _refPoint_option(const copt_t * opt, const char * option, const copt_value_t * value)
{
char * e;
long double lat, lon;
lat = strtold(value->v_str, &e);
lon = strtold(e + 1, &e);
if (*e == 0){
if (lat <= 90.0 && lat >= -90.0) lat *= 10000000.0; // degree
_refLat = (int32_t)floorl(lat);
if (lon <= 180.0 && lon >= -180.0) lon *= 10000000.0; // degree
_refLon = (int32_t)floorl(lon);
_lonTMDPerMetter = 180.0 / M_PI / 0.6378 / cos((lat/10000000.0) * M_PI / 180.0);
return 0;
}
}
return -1;
}
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
typedef struct macro_item macro_item;
struct macro_item {
cring_t _ring;
const char* name;
const char* value;
};
static macro_item _default_macro[] = {
{ { NULL, NULL }, "CAM", "36" },
{ { NULL, NULL }, "DENM", "37" },
{ { NULL, NULL }, "GENERIC", "38" },
{ { NULL, NULL }, "TLM", "137" },
{ { NULL, NULL }, "SPAT", "137" },
{ { NULL, NULL }, "RLT", "138" },
{ { NULL, NULL }, "MAP", "138" },
{ { NULL, NULL }, "MAP", "138" },
{ { NULL, NULL }, "IVI", "139" },
{ { NULL, NULL }, "TLC", "140" },
{ { NULL, NULL }, "GN-MGMT", "141" }
};
static cring_t _macro = { &_macro, &_macro };
static int _addMacro_option(const copt_t * opt, const char * option, const copt_value_t * value)
{
macro_item * m;
const char * n = value->v_str;
char * v = strchr(n, ':');
if (v){
*(v++) = 0;
if (0 == *v) v = NULL;
}
for (m = cring_first_cast(_macro, macro_item);
&m->_ring != &_macro && !cstrequal(m->name, n);
m = cring_next_cast(m, macro_item));
if (&m->_ring == &_macro){
m = cnew(macro_item);
cring_init(&m->_ring);
cring_enqueue(&_macro, &m->_ring);
m->name = n;
}
m->value = v;
return 0;
}
static const char * macro_lookup(const char* n)
{
macro_item * m;
for (m = cring_first_cast(_macro, macro_item);
&m->_ring != &_macro;
m = cring_next_cast(m, macro_item)) {
if (cstrequal(m->name, n)){
return m->value;
}
}
return NULL;
}
static const char * _o_formats[] = {
"bin", "hex", "pem", NULL
};
static copt_t options [] = {
{ "h?", "help", COPT_HELP, NULL, "Print this help page" },
{ "C", "config", COPT_CFGFILE, (void*)&_cfgFile, "Config file path [no cfg file]" },
{ "o", "out", COPT_STR, (void*)&_outPath, "Output path [current dir by default]" },
{ "O", "format", COPT_STRENUM, (void*)_o_formats, "Output format (bin|hex|pem)[binary by default]" },
{ "S", "certs", COPT_STR, (void*)&_searchPath, "Certificates search path [Output path by default]" },
{ "K", "keys", COPT_STR, (void*)&_keyPath, "Private key storage path [Output path by default]" },
{ "R", "reuse", COPT_BOOL, (void*)&_reuseKeys, "Reuse existing key pair [regenerate by default]" },
{ "f", "force", COPT_BOOL, (void*)&_force, "Force regenerate existing certificate and keys" },
{ "n", "name", COPT_STR, (void*)&_certName, "Certificate name (take from profile by default)" },
{ "v", "vkey", COPT_STR, (void*)&_verificationKey, "Verification public key (generate key pair by default)" },
{ "e", "ekey", COPT_STR, (void*)&_decriptionKey, "Decription public key (generate key pair if neccessary)" },
{ "s", "signer", COPT_STR, (void*)&_signerName, "Signer certificate name [take from profile by default]" },
{ "t", "reftime", COPT_STR | COPT_CALLBACK, (void*)&_time_option, "Reference UTC time point (YYY-DD-MM) [current date]" },
{ "l", "reflocation", COPT_STR | COPT_CALLBACK, (void*)&_refPoint_option, "Reference location in form <lat>:<lon> [0.0:0.0]" },
{ "m", "macro", COPT_STR | COPT_CALLBACK, (void*)&_addMacro_option, "Add macro in form of name:value to process AID, SSP, etc." },
{ "E", "canonical", COPT_BOOL, (void*)&_canonicalEncoding, "Use canonical encoding (compatible with TS103097 v1.2.1 and earlier)" },
{ NULL, NULL, COPT_END, NULL, NULL }
};
int main(int argc, char ** argv)
{
FILE *f;
int rc;
cert_cxml_handler_t * h = cxml_st_handler_new(&Class, h_root);
h->vr_type = -1;
h->sa_type = -1;
// set default time to the begining of this year
_setup_default_time();
// init default macroses
for (rc = 0; rc < sizeof(_default_macro) / sizeof(_default_macro[0]); rc++){
cring_enqueue(&_macro, &_default_macro[rc]._ring);
}
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
argc = coptions(argc, argv, COPT_HELP_NOVALUES , options);
if(argc < 2){
if(argc<0 && (0-argc)<((sizeof(options)/sizeof(options[0]))-1)){
printf("Unknown option %s\n", argv[0-argc]);
}
const char * a = strrchr(argv[0], '/');
if (a == NULL) a = argv[0];
coptions_help(stdout, a, COPT_HELP_NOVALUES, options, "<profile> [signer]");
return -1;
}
if (_searchPath == NULL) _searchPath = _outPath;
if (_keyPath == NULL) _keyPath = _outPath;
_outFormat = copts_enum_value(options, 3, _o_formats);
if (_defaultTime == 0){
//set it to begining of this year
time_t t = time(NULL);
struct tm tm;
struct tm * ptm = gmtime(&t);
memcpy(&tm, ptm, sizeof(tm));
tm.tm_hour = tm.tm_min = tm.tm_sec = 0;
tm.tm_mday = 1; tm.tm_mon = 0;
_defaultTime = mkitstime32(&tm);
}
if(argc > 2){
// set signer certificate file name
_signerName = argv[2];
}
f = fopen(argv[1], "rb");
if(f == NULL){
fprintf(stderr, "%s: Certificate profile not found\n", argv[1]);
return -1;
}else{
if(ecc_api_init()){
return -1;
}
_profileName = cstrdup(cstrlastpathelement(argv[1]));
if(_profileName){
char * p = strrchr(_profileName, '.');
if(p) *p = 0;
}
rc = cxml_handler_parse_stream(&h->h, f);
if (rc == -1){
fprintf(stderr, "%s Profile parsing error\n", argv[1]);
return -1;
}
fclose(f);
ecc_api_done();
}
return 0;
}
static int root_certificate_tag (cxml_handler_t* const _h, cxml_tag_t * const tag)
{
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
if (cxml_tag_is_open(tag)){
if(_certName == NULL){
_certName = cxml_tag_attr_value(tag, "name");
if(_certName == NULL){
_certName = _profileName;
}
else if (!cstrequal(_certName, _profileName)){
fprintf(stderr, "WARNING: %s.xml: profile name differs from certificate name '%s'\n", _profileName, _certName);
}
}
h->ptr = h->buf = malloc(4096);
h->end = h->buf + 4096;
if (!_force && cxml_tag_attr_boolean(tag, "keep-existing")){
FILE * f;
char * path = h->ptr;
cvstrncpy(path, h->end - path, _outPath, "/", _certName, ".crt", NULL);
f = fopen(path, "r+b");
if (f){
fclose(f);
free(h->buf);
return CXML_RETURN_STOP;
}
}
}else{
FILE * f;
char * path;
path = h->ptr;
cvstrncpy(path, h->end-path, _outPath, "/", _certName, ".crt", NULL);
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
f = fopen(path, "wb");
if (!f){
fprintf(stderr, "ERROR: Certificate write failed to '%s'\n", path);
}else{
if (_outFormat == 0){
fwrite(h->buf, 1, h->ptr - h->buf, f);
}else{ // hex or pem format
const unsigned char * p = (const unsigned char *)h->buf;
for (; p < (const unsigned char *)h->ptr; p++){
fprintf(f, "%02X", *p);
}
}
fclose(f);
}
if (h->verificationKey){
if (_verificationKey == NULL && _reuseKeys == 0){
cvstrncpy(path, h->end - path, _keyPath, "/", _certName, ".vkey", NULL);
ecc_api_key_private_save(h->verificationKey, path, _outFormat);
cvstrncpy(path, h->end - path, _keyPath, "/", _certName, ".vpkey", NULL);
ecc_api_key_public_save(h->verificationKey, path, _outFormat);
}
}
if (h->encryptionKey){
if (_decriptionKey == NULL && _reuseKeys == 0){
cvstrncpy(path, h->end - path, _keyPath, "/", _certName, ".ekey", NULL);
ecc_api_key_private_save(h->encryptionKey, path, _outFormat);
cvstrncpy(path, h->end - path, _keyPath, "/", _certName, ".epkey", NULL);
ecc_api_key_public_save(h->encryptionKey, path, _outFormat);
}
}
free(h->buf);
}
return 0;
}
static int certificate_version_tag (cxml_handler_t* const _h, cxml_tag_t * const tag)
{
int rc = 0;
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
if (cxml_tag_is_open(tag)){
h->nTmpValue = 2;
const char * v = cxml_tag_attr_value(tag, "version");
if(v == NULL)v = cxml_tag_attr_value(tag, "value");
if(v){
while(cisspace(*v))v++;
h->nTmpValue = strtoul(v, NULL, 0);
}
}else{
cint8_write(h->nTmpValue, &h->ptr, h->end, &rc);
}
return rc;
}
static int certificate_version_text(cxml_handler_t* const _h, char * const text, int length)
{
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
if(text){
const char * p = text;
while(*p && cisspace(*p))p++;
if(*p) h->nTmpValue = strtoul(p, NULL, 0);
}
return 0;
}
static const char * _signer_types [] = {
"self",
"digest",
"certificate",
"other",
};
static size_t load_certificate(const char * path, char * ptr, const char * e)
{
FILE *f;
size_t size;
char * cert = ptr;
f = fopen(path, "rb");
if (f == NULL){
perror(path);
return -1;
}
fseek(f, 0, SEEK_END);
size = ftell(f);
fseek(f, 0, SEEK_SET);
if (size < 67){
fprintf(stderr, "%s: File too small\n", path);
return -1;
}
if (size > (size_t)(e - cert)){
fprintf(stderr, "%s: no enough space\n", path);
return -1;
}
if (size != fread(cert, 1, size, f)){
perror(path);
return -1;
}
fclose(f);
if (cert[0] != 2) {
char * c = cstr_hex2bin(cert, size, cert, size);
if (c){
size = c - cert;
}
}
return size;
}
static const char * _pk_algorithms[] = {
[0] = "ecdsa_nistp256_with_sha256",
[1] = "ecies_nistp256",
};
static const char * _sym_algorithms[] = {
[0] = "aes_128_ccm",
};
static const char * _point_types[] = {
[0] = "x_coordinate_only",
[1] = "compressed",
[2] = "compressed_y0",
[3] = "compressed_y1",
[4] = "uncompressed"
};
static int certificate_signer_tag (cxml_handler_t* const _h, cxml_tag_t * const tag)
{
int rc = 0;
// write signer info
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
if (cxml_tag_is_open(tag)){
h->signer_type = si_digest; // digest by default
v = cxml_tag_attr_value(tag, "type");
if(v){
h->signer_type = STR2ENUM(_signer_types, v);
fprintf(stderr, "%s: Unknown signer type\n", v);
return -1;
}
}
cint8_write(h->signer_type, &h->ptr, h->end, &rc);
if (_signerName){
h->signer = _signerName;
}
else{
if (h->signer_type == si_digest || h->signer_type == si_digest_with_other_algorithm){
h->signer_digest = cxml_tag_attr_value(tag, "digest");
if (h->signer_type == si_digest_with_other_algorithm){
int alg;
v = cxml_tag_attr_value(tag, "algorithm");
if (v == NULL) {
fprintf(stderr, "Signing algorithm shall be provided\n");
return -1;
}
alg = STR2ENUM(_pk_algorithms, v);
if (alg < 0){
fprintf(stderr, "%s: Unknown public key algorithm\n", v);
return -1;
}
cint8_write(alg, &h->ptr, h->end, &rc);
}
}
if (h->signer_digest == NULL){
v = cxml_tag_attr_value(tag, "name");
if (v == NULL){
fprintf(stderr, "%s: Signer name or digest shall be provided\n", v);
return -1;
}
h->signer = v;
}
if (h->signer_type == si_certificate_chain ||
h->signer_type >= si_other){
bookmark_position(h, tag);
}
}
}else{
// write signer info
if (h->signer_type > si_self){
if (h->signer_type < si_other) {
if (h->signer_digest){
int len = strlen(h->signer_digest);
v = cstr_hex2bin(h->ptr, h->end - h->ptr, h->signer_digest, len);
if (v == NULL){
fprintf(stderr, "%s: no more space to write digest of size %d bytes\n", v, len);
return -1;
}
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
char * path, *cname;
int plen;
cname = (char*)h->signer;
while (*cname){
char * se = strchr(cname, ' ');
if (se){
*se = 0;
while (cisspace(*se))se++;
}
else se = cstrend(cname);
h->signer = cname;
// load signer certificate
plen = strlen(_searchPath) + (se - cname);
path = malloc(plen + 16);
cvstrncpy(path, plen + 16, _searchPath, "/", cname, ".crt", NULL);
size_t size = load_certificate(path, h->ptr, h->end);
if (size < 0){
fprintf(stderr, "%s: signer certificate not found or error\n", h->signer);
rc = -1;
}
else{
// digests
if (h->signer_type == si_digest || h->signer_type == si_digest_with_other_algorithm){
char hash[sha256_hash_size];
// change eccpoint type of the signature to x_coordinate_only(0)
// to follow canonical encoding
if (_canonicalEncoding){
h->ptr[size - 65] = 0;
}
#ifdef DEBUG_DATA
fprintf(stderr, "HASH (%s): ", h->signer);
print_x(stderr, hash, sha256_hash_size);
fprintf(stderr, "\n");
fprintf(stderr, "DIGEST (%s): ", h->signer);
print_x(stderr, &hash[sha256_hash_size - 8], 8);
fprintf(stderr, "\n");
cbuf_write(hash + sha256_hash_size - 8, 8, &h->ptr, h->end, &rc);
}
else {// certificate or chain
h->ptr += size;
if (h->signer_type == si_certificate_chain){
cname = se;
continue;
}
}
}
// continue only if certificate chain
break;
}
if (h->signer_type == si_certificate_chain || h->signer_type >= si_other) {
apply_bookmark_size(h, tag);
}
}
}
return rc;
}
static int certificate_signer_text(cxml_handler_t* const _h, char * const text, int length)
{
int rc = 0;
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
if (h->signer_type >= si_other) {
cbuf_write(text, length, &h->ptr, h->end, &rc);
}
return rc;
}
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
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
static const char * _subject_type [] = {
"EC", "AT", "AA", "EA", "ROOT", "CRL"
};
typedef struct list_pointer_t
{
unsigned char * ptr;
unsigned char cnt;
}list_pointer_t;
static int certificate_subject_tag (cxml_handler_t* const _h, cxml_tag_t * const tag)
{
int rc = 0;
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
// write signer info
if (cxml_tag_is_open(tag)){
int len;
const char * v = cxml_tag_attr_value(tag, "type");
if(v == NULL){
fprintf(stderr, "Subject type must be set in Certificate profile\n");
return -1;
}
h->subject_type = STR2ENUM(_subject_type, v);
if(h->subject_type < 0) {
fprintf(stderr, "%s: Unknown subject type\n", v);
return -1;
}
cint8_write(h->subject_type, &h->ptr, h->end, &rc);
v = cxml_tag_attr_value(tag, "name");
len = cstrlen(v);
if(0 == cintx_write(len, &h->ptr, h->end, &rc) && len > 0){
cbuf_write(v, len, &h->ptr, h->end, &rc);
}
bookmark_position(h, tag);
}else{
apply_bookmark_size(h, tag);
}
return rc;
}
static const char * _subject_attribute_types[] = {
[0] = "verification_key",
[1] = "encryption_key",
[2] = "assurance_level",
[3] = "reconstruction_value",
[32] = "its_aid_list",
[33] = "its_aid_ssp_list"
};
static int subject_attribute_tag (cxml_handler_t* const _h, cxml_tag_t * const tag)
{
int rc = 0;
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
if (cxml_tag_is_open(tag)){
const char * v = cxml_tag_attr_value(tag, "type");
int atype;
if(v == NULL){
fprintf(stderr, "Attribute type must be set\n");
return -1;
}
atype = STR2ENUM(_subject_attribute_types, v);
if(atype < 0) {
fprintf(stderr, "%s: Unknown attribute type\n", v);
return -1;
}
cint8_write(atype, &h->ptr, h->end, &rc);
h->sa_type = atype;
const char * keyPath = _verificationKey;
switch (h->sa_type){
case 1: // encryption_key
keyPath = _decriptionKey;
case 0: //verificationKey
if (keyPath){
h->key = ecc_api_key_public_load(keyPath, 0);
if (h->key == NULL){
fprintf(stderr, "%s: Can't load public key\n", keyPath);
return -1;
}
}
else if (_reuseKeys){
cvstrncpy(h->ptr, h->end - h->ptr, _keyPath, "/", _certName,
".", h->sa_type ? "e" : "v", "key", NULL);
h->key = ecc_api_key_private_load(h->ptr, 0);
if (h->key == NULL){
_reuseKeys = 0;
}
}
break;
case 32: //its_aid_list
case 33: //its_aid_ssp_list
bookmark_position(h, tag);
break;
};
}else{
switch(h->sa_type){
case 0: // verification_key
h->verificationKey = h->key;
h->key = NULL;
break;
case 1: // encryption_key
h->encryptionKey = h->key;
h->key = NULL;
break;
case 32: //its_aid_list
case 33: //its_aid_ssp_list
apply_bookmark_size(h, tag);
break;
}
if(h->key){
ecc_api_key_free(h->key);
}
h->sa_type = -1;
}
return rc;
}
static int attribute_public_key_tag(cxml_handler_t* const _h, cxml_tag_t * const tag)
{
int rc = 0;
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
if (cxml_tag_is_open(tag)){
int alg = 0, sym_alg = 0;
const char * v = cxml_tag_attr_value(tag, "algorithm");
if (v) {
alg = STR2ENUM(_pk_algorithms, v);
if (alg < 0){
fprintf(stderr, "%s: Unknown public key algorithm\n", v);
return -1;
}
}
cint8_write(alg, &h->ptr, h->end, &rc);
v = cxml_tag_attr_value(tag, "point-type");
if (v){
h->pk_ptype = STR2ENUM(_point_types, v);
if (h->pk_ptype < 0){
fprintf(stderr, "%s: Unknown point type\n", v);
return -1;
}
if (h->pk_ptype == 1) h->pk_ptype = 2;
}
switch (alg){
case 0:
break;
case 1:
v = cxml_tag_attr_value(tag, "sym_alg");
if (v){
sym_alg = STR2ENUM(_sym_algorithms, v);
if (sym_alg < 0){
fprintf(stderr, "%s: Unknown symmetric algorithm\n", v);
return -1;
}
}
cint8_write(sym_alg, &h->ptr, h->end, &rc);
break;
default:
bookmark_position(h, tag);
break;
}
h->pk_alg = alg;
h->pk_sym_alg = sym_alg;
}
else{
if (h->pk_alg > 1){
apply_bookmark_size(h, tag);
}
h->pk_alg = -1;
h->pk_sym_alg = -1;
}
return rc;
}
static int attribute_eccpoint_tag (cxml_handler_t* const _h, cxml_tag_t * const tag)
{
int rc = 0;
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
int pointtype;
if (cxml_tag_is_open(tag)){
const char * v;
pointtype = 0;
v = cxml_tag_attr_value(tag, "type");
if (v){
pointtype = STR2ENUM(_point_types, v);
if (pointtype < 0){
fprintf(stderr, "%s: Unknown point type\n", v);
return -1;
}
if (pointtype == 1) pointtype = 2;
}
h->pk_ptype = pointtype;
h->pk_data = NULL;
h->pk_datasize = 0;
}
else{
void * key = h->key;
pointtype = h->pk_ptype;
// generate private and public key pair
char x[32], y[32];
if (key == NULL){
if (h->pk_data){
if (h->pk_datasize < 32 || (h->pk_datasize < 64 && pointtype == 4)){
fprintf(stderr, "Insufficient size of public key\n");
return -1;
}
key = ecc_api_key_public_set(h->pk_alg, pointtype, h->pk_data, h->pk_data + 32);
}
else{
// generate PK
if (h->pk_alg < 0 || h->pk_sym_alg < 0){
fprintf(stderr, "Public key algorythm must be specified\n");
return -1;
}
key = ecc_api_key_gen(h->pk_alg, h->pk_sym_alg);
}
}
if (key){
h->key = key;
rc = ecc_api_key_public(key, &x[0], &y[0]);
if (rc >= 0){
if (pointtype == 2) pointtype |= (y[31] & 1);
cint8_write(pointtype, &h->ptr, h->end, &rc);
if (rc == 0)cbuf_write(&x[0], 32, &h->ptr, h->end, &rc);
if (rc == 0 && pointtype == 4){
cbuf_write(&y[0], 32, &h->ptr, h->end, &rc);
}
}
}
if (h->pk_data){
free(h->pk_data);
h->pk_data = NULL;
}
}
return rc;
}
static int attribute_eccpoint_text(cxml_handler_t* const _h, char * const text, int length)
{
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
if (h->pk_data == NULL){
h->pk_data = malloc(64);
h->pk_datasize = 0;
}
char * e = cstr_hex2bin(h->pk_data + h->pk_datasize, 64 - h->pk_datasize, text, length);
h->pk_datasize = e - h->pk_data;
return 0;
}
static int attribute_assurance_tag (cxml_handler_t* const _h, cxml_tag_t * const tag)
{
int rc = 0;
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
if (cxml_tag_is_open(tag)){
uint8_t assurance = 0;
const char * v = cxml_tag_attr_value(tag, "level");
if(v){
while(*v && cisspace(*v))v++;
if(*v){
long n = strtol(v, NULL, 0);
if(n<0 || n > 7){
fprintf(stderr, "%s: Invalid assurance level\n", v);
return -1;
}
assurance |= n<<5;
}
}
v = cxml_tag_attr_value(tag, "confidence");
if(v){
while(*v && cisspace(*v))v++;
if(*v){
long n = strtol(v, NULL, 0);
if(n<0 || n > 3){
fprintf(stderr, "%s: Invalid assurance confidence\n", v);
return -1;
}
assurance |= n;
}
}
cint8_write(assurance, &h->ptr, h->end, &rc);
}
return rc;
}
static int attribute_aid_tag(cxml_handler_t* const _h, cxml_tag_t * const tag)
{
int rc = 0;
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
if(0 == (tag->type & CXML_TAG_OPEN)){
const char * v = cxml_tag_attr_value(tag, "value");
if(NULL == v)v = cxml_tag_attr_value(tag, "aid");
if(NULL == v){
fprintf(stderr, "WARNING: Value required for AID tag. Item was skiped.\n");
}else{
uint32_t n;
while(cisspace(*v))v++;
if (!cisdigit(*v)){
// look in the aid map
const char * v1 = macro_lookup(v);
if (!v1){
fprintf(stderr, "ERROR: Invalid AID '%s'\n", v);
return -1;
}
v = v1;
n = strtoul(v, NULL, 0);
cintx_write(n, &h->ptr, h->end, &rc);
}
}
return rc;
}
static int attribute_ssp_tag (cxml_handler_t* const _h, cxml_tag_t * const tag)
{
int rc = 0;
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
if (cxml_tag_is_open(tag)){
uint32_t n;
const char * v = cxml_tag_attr_value(tag, "aid");
if(NULL == v){
fprintf(stderr, "ERROR: AID shall be supplied for SSP.\n");
return -1;
}
while(cisspace(*v))v++;
if (!cisdigit(*v)){
// look in the aid map
const char * v1 = macro_lookup(v);
if (!v1){
fprintf(stderr, "ERROR: Invalid AID '%s' in SSP\n", v);
return -1;
}
v = v1;
}
n = strtoul(v, NULL, 0);
cintx_write(n, &h->ptr, h->end, &rc);
bookmark_position(h, tag);
}else{
apply_bookmark_size(h, tag);
}
return rc;
}
static int attribute_ssp_text(cxml_handler_t* const _h, char * const text, int length)
{
int rc=0;
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
rc = cbuf_write(text, length, &h->ptr, h->end, NULL);
}
return rc;
}
static int certificate_validity_tag (cxml_handler_t* const _h, cxml_tag_t * const tag)
{
int rc;
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
if (cxml_tag_is_open(tag)){
bookmark_position(h, tag);
rc = 0;
}else{
rc = apply_bookmark_size(h, tag);
}
return rc;
}
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
static unsigned int _convert_diff_time(const char * v)
{
unsigned int ret = 0;
const char * p = v;
char * e;
int mult = 1;
switch (*p){
case '-':
mult = -1;
case '+':
p++;
}
for (;;){
unsigned int n;
n = strtoul(p, &e, 10);
if (n == ULONG_MAX) break;
if (cisalnum(*e)){
switch (*e){
case 'd': n *= 24;
case 'h': n *= 60;
case 'm': n *= 60;
case 's': e++; break;
default:
fprintf(stderr, "%s: Unknown time modificator: '%c'\n", p, *e);
return INT32_MIN;
}
}
else{
// consider n as days
n *= 24 * 3600;
}
ret += n;
if (cisdigit(*e)){
p = e;
continue;
}
break;
}
return ret * mult;
}
static unsigned int _convert_time2(const char * v, unsigned int baseTime)
{
unsigned int ret;
char * e;
struct tm tm;
// can be a difference from the base time point
if (*v == '-' || *v == '+'){
if (baseTime == 0){
fprintf(stderr, "Default time must be set\n");
return 0;
}
ret = _convert_diff_time(v);
if (ret == INT32_MIN)
return 0;
ret = baseTime + ret;
}
else{
// next try load as integer seconds since epoch
ret = strtoul(v, &e, 0);
if (ret == ULONG_MAX || *e){
ret = 0;
memset(&tm, 0, sizeof(tm));
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
// check predefined values
if ((e = cstrisprefix(v, "today"))){
time_t t;
struct tm * ptm;
time(&t); ptm = gmtime(&t);
tm.tm_year = ptm->tm_year; tm.tm_mon = ptm->tm_mon; tm.tm_mday = ptm->tm_mday;
}
else if ((e = cstrisprefix(v, "ybegin"))){
time_t t;
struct tm * ptm;
time(&t); ptm = gmtime(&t);
tm.tm_year = ptm->tm_year; tm.tm_mon = 0; tm.tm_mday = 1;
}
else if ((e = cstrisprefix(v, "yend"))){
time_t t;
struct tm * ptm;
time(&t); ptm = gmtime(&t);
tm.tm_year = ptm->tm_year+1; tm.tm_mon = 0; tm.tm_mday = 1;
}
//next try to convert ISO text representation
else if (3 == sscanf(v, "%d-%d-%d", &tm.tm_year, &tm.tm_mon, &tm.tm_mday)){
tm.tm_mon--; // STARTED FROM 0
tm.tm_year -= 1900;
e = (char*)v; // to prevent next check for '-/+'
}
else{
fprintf(stderr, "%s: Date format specification error. Use YYY-MM-DD or today+/-NNNd\n", v);
return 0;
}
ret = mkitstime32(&tm);
if (ret == (time_t)-1) {
fprintf(stderr, "%s: Date format specification error. Use YYY-MM-DD or today+/-NNNd\n", v);
ret = 0;
}
if (*e == '-' || *e == '+'){
ret = _convert_time2(e, ret);
}
}
}
return ret;
}
static unsigned int _convert_time(const char * v)
{
return _convert_time2(v, _defaultTime);
}
static int validity_restriction_tag (cxml_handler_t* const _h, cxml_tag_t * const tag)
{
int rc = 0;
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
if (cxml_tag_is_open(tag)){
int vr_type = -1;
int nTime;
const char * v = cxml_tag_attr_value(tag, "type");
const char *start, *end, *duration;
if(NULL == v){
fprintf(stderr, "ERROR: Restriction shall have a type.\n");
return -1;
}
while(cisspace(*v))v++;
if(0 == strcmp("time", v)){
start = cxml_tag_attr_value(tag, "start");
end = cxml_tag_attr_value(tag, "end");
duration = cxml_tag_attr_value(tag, "duration");
if(end && *end){
vr_type = (start && *start) ? 1 : 0;
}else if(start && *start && duration && *duration){
vr_type = 2;
}else{
fprintf(stderr, "ERROR: Either end or start and duration shall be specified for time restriction.\n");
return -1;
}
}else if(0 == strcmp("region", v)){
vr_type = 3;
}else if(cisdigit(*v)){
vr_type=strtoul(v, NULL,0);
}else{
fprintf(stderr, "%s: Unknown validity restriction type.\n", v);
return -1;
}
h->vr_type = vr_type;
cint8_write(vr_type, &h->ptr, h->end, &rc);
// save time restrictions
switch(vr_type){
case 1: /* time_start_and_end */
nTime = _convert_time(start);
cint32_write(nTime, &h->ptr, h->end, &rc);
case 0: /* time_end */
nTime = _convert_time(end);
cint32_write(nTime, &h->ptr, h->end, &rc);
break;
case 2: /* time_start_and_duration */
nTime = _convert_time(start);
cint32_write(nTime, &h->ptr, h->end, &rc);
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
cint32_write(nTime, &h->ptr, h->end, &rc);
break;
case 3: /* region */
break;
default: // opaque
bookmark_position(h, tag); // for opaque data
}
}else{
if(h->vr_type > 3){
apply_bookmark_size(h, tag);
}
h->vr_type = -1;
}
return 0;
}
static int region_none_tag (cxml_handler_t* const _h, cxml_tag_t * const tag)
{
if (cxml_tag_is_open(tag)){
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
return cint8_write(0, &h->ptr, h->end, NULL);
}
return 0;
}
static int region_circle_tag (cxml_handler_t* const _h, cxml_tag_t * const tag)
{
int rc = 0;
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
if (cxml_tag_is_open(tag)){
//region type
if(0 == cint8_write(1, &h->ptr, h->end, NULL)){
//latitude and longitude
rc = location_tag (_h, tag);
if(0 == rc){
//radius
uint32_t n;
const char * v = cxml_tag_attr_value(tag, "radius");
if(NULL == v){
fprintf(stderr, "ERROR: radius shall be specified for circle.\n");
return -1;
}
n = strtoul(v, &e, 0);
if( (e[0] == 'k' || e[0] == 'K') && (e[1] == 'm' || e[1] == 'M') )
n *= 1000;
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
if(n > 0xFFFF){
fprintf(stderr, "ERROR: %ul: radius is too big.\n", n);
return -1;
}
cint16_write(n, &h->ptr, h->end, &rc);
}
}
}
return rc;
}
static int region_rectangle_tag (cxml_handler_t* const _h, cxml_tag_t * const tag)
{
int rc;
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
if (cxml_tag_is_open(tag)){
// region type
rc = cint8_write(2, &h->ptr, h->end, NULL);
if(0 == rc){
bookmark_position(h, tag);
}
}else{
rc = apply_bookmark_size(h, tag);
}
return rc;
}
static int region_polygon_tag (cxml_handler_t* const _h, cxml_tag_t * const tag)
{
int rc;
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
if (cxml_tag_is_open(tag)){
// region type
rc = cint8_write(3, &h->ptr, h->end, NULL);
if(0 == rc){
bookmark_position(h, tag);
}
}else{
rc = apply_bookmark_size(h, tag);
}
return rc;
}
static int location_tag (cxml_handler_t* const _h, cxml_tag_t * const tag)
{
int rc = 0;
if (cxml_tag_is_open(tag)){
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
const char * v = cxml_tag_attr_value(tag, "mode");
absolute = cstrequal(v, "absolute");
v = cxml_tag_attr_value(tag, "latitude");
int relative = 1;
fprintf(stderr, "ERROR: Latitude must be specified for location.\n");
return -1;
}
e = NULL; d = strtold(v, &e);
if(e[0] == 'm' || (e[0] == 'k' && e[1] == 'm')){
if(e[0] == 'k') d*=1000.0;
d = d * _latTMDPerMetter;
}else{
if (d <= 90.0 && d >= -90.0) d *= 10000000.0; // degree
}
if (!absolute) d += _refLat;
lat = (int32_t)floorl(d);
v = cxml_tag_attr_value(tag, "longitude");
if(v == NULL){
fprintf(stderr, "ERROR: Longitude shall be specified for location.\n");
return -1;
}
e = NULL; d = strtold(v, &e);
if(e[0] == 'm' || (e[0] == 'k' && e[1] == 'm')){
if(e[0] == 'k') d*=1000.0;
// convert metters to degree
d = d * _lonTMDPerMetter;
}else{
if (d <= 180.0 && d >= -180.0) d *= 10000000.0; // degree
}
if (!absolute) d += _refLon;
lon = (int32_t)floorl(d);
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
cint32_write(lat, &h->ptr, h->end, &rc);
cint32_write(lon, &h->ptr, h->end, &rc);
}
return rc;
}
static const char * _id_dictionaries[] = {
"iso_3166_1",
"un_stats",
};
static int region_id_tag (cxml_handler_t* const _h, cxml_tag_t * const tag)
{
int rc = 0;
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
if (cxml_tag_is_open(tag)){
int value = 0;
unsigned int uvalue = 0;
const char * v;
// region type
rc = cint8_write(4, &h->ptr, h->end, NULL);
// region dictionary. use 0 by default
v = cxml_tag_attr_value(tag, "dictionary");
if(v == NULL)v = cxml_tag_attr_value(tag, "dict");
if(v){
value = STR2ENUM(_id_dictionaries, v);
if(value<0){
fprintf(stderr, "%s: Unknown dictionary type\n", v);
return -1;
}
}
if(cint8_write(value, &h->ptr, h->end, NULL)){
return -1;
}
v = cxml_tag_attr_value(tag, "id");
if(v == NULL){
fprintf(stderr, "ERROR: Region identifier must be set\n");
return -1;
}
while (cisspace(*v))v++;
if (!cisdigit(*v)){
// look in the macro map
const char * v1 = macro_lookup(v);
if (!v1){
fprintf(stderr, "%s: Invalid region identifier\n", v);
return -1;
}
while (cisspace(*v1))v1++;
v = v1;
}
uvalue = strtoul(v, NULL, 0);
if(uvalue > 0xFFFF){
fprintf(stderr, "%s: Invalid region identifier\n", v);
return -1;
}
if(cint16_write(uvalue, &h->ptr, h->end, NULL)){
return -1;
}
uvalue = 0;
v = cxml_tag_attr_value(tag, "local");
if(v){
while(cisspace(*v))v++;
uvalue = strtoul(v, NULL, 0);
if(!cisdigit(*v) || uvalue > 0xFFFF){
fprintf(stderr, "%s: Invalid region identifier\n", v);
return -1;
}
}
cintx_write(uvalue, &h->ptr, h->end, &rc);
if(rc) return -1;
}
return rc;
}
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
static const char * _region_types[] = {
[0] = "none",
[1] = "circle",
[2] = "rectangle",
[3] = "polygon",
[4] = "id"
};
static cxml_tag_f* _region_type_handlers[] = {
[0] = region_none_tag,
[1] = region_circle_tag,
[2] = region_rectangle_tag,
[3] = region_polygon_tag,
[4] = region_id_tag
};
static int region_region_tag(cxml_handler_t* const _h, cxml_tag_t * const tag)
{
int rc = 0;
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
if (cxml_tag_is_open(tag)){
const char * v;
v = cxml_tag_attr_value(tag, "type");
h->nTmpValue = STR2ENUM(_region_types, v);
if (h->nTmpValue < 0){
fprintf(stderr, "ERROR: unknown region type: %s\n", v);
return -1;
}
}
if (h->nTmpValue < sizeof(_region_type_handlers) / sizeof(_region_type_handlers[0])){
return _region_type_handlers[h->nTmpValue](_h, tag);
}
if (cxml_tag_is_open(tag)){
// region type
rc = cint8_write(h->nTmpValue, &h->ptr, h->end, NULL);
bookmark_position(h, tag);
} else{
apply_bookmark_size(h, tag);
}
return rc;
}
static int region_region_text(cxml_handler_t* const _h, char * const text, int length)
{
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
char * end;
// try to treat it as hex
end = cstr_hex2bin(h->ptr, h->end - h->ptr, text, length);
if (end){
h->ptr = end;
}
else{
if (length > (h->end - h->ptr)){
fprintf(stderr, "ERROR: region definition is tooooo big: %d bytes\n", length);
return -1;
}
h->ptr = cmemcpy(h->ptr, text, length);
}
return 0;
}
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
static const char * _signature_algorithms[] = {
"ecdsa_nistp256_with_sha256",
};
static int certificate_signature_tag (cxml_handler_t* const _h, cxml_tag_t * const tag)
{
int rc = 0;
cert_cxml_handler_t * h = (cert_cxml_handler_t *)_h;
if (cxml_tag_is_open(tag)){
void * key;
int alg = 0;
if(h->signer_type == 0){
// self signed certificate
key = h->verificationKey;
if(!key){
fprintf(stderr, "ERROR: Verification key attribute was not provided for self-signed certificate\n");
return -1;
}
}else{
const char * v = cxml_tag_attr_value(tag, "algorithm");
if (v){
alg = STR2ENUM(_signature_algorithms, v);
if (alg < 0){
fprintf(stderr, "%s: Unknown signature algorithm\n", v);
return -1;
}
}
v = cxml_tag_attr_value(tag, "signer");
if (v){
h->signer = v;
}
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
if (h->signer == NULL){
fprintf(stderr, "ERROR: Signer certificate name shall be provided\n");
return -1;
}
// load signer certificate
int plen = strlen(_searchPath) + strlen(h->signer);
char * path = malloc(plen + 16);
cvstrncpy(path, plen + 16, _searchPath, "/", h->signer, ".vkey", NULL);
key = ecc_api_key_private_load(path, alg);
if (key == NULL){
fprintf(stderr, "%s: Could not load issuing private key\n", path);
free(path);
return -1;
}
}
cint8_write(alg, &h->ptr, h->end, &rc);
rc = ecc_sign(key, h->buf, h->ptr - h->buf - 1, &h->ptr, h->end - h->ptr);
}
return rc;
}
static int _Begin_Tag(cxml_handler_t* const h, cxml_tag_t * const tag)
{
fprintf(stderr, "WARNING: %s: Unknown tag", tag->name);
return 0;
}
static int _End_Tag(cxml_handler_t* const h, cxml_tag_t * const tag)
{
return 0;
}
static int _Text(cxml_handler_t* const h, char * const text, int length)
{return 0;}