Newer
Older
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;
}
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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));
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// 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);
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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;
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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);
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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++;
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;
}
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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;
}
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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;
}
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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;}