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Add: Emv first part of commands

Browse source 
* hf emv search
* hf emv pse
* hf emv select
* hf emv exec command - only part of functionality
This commit is contained in:
Oleg Moiseenko 2017-11-22 07:16:33 +02:00 • committed by pwpiwi
commit 3c5fce2ba7
18 changed files with 1370 additions and 19 deletions
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44
client/emv/tlv.c
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@ -299,6 +299,40 @@ void tlvdb_free(struct tlvdb *tlvdb)
}
}
struct tlvdb *tlvdb_find_next(struct tlvdb *tlvdb, tlv_tag_t tag) {
if (!tlvdb)
return NULL;
return tlvdb_find(tlvdb->next, tag);
}
struct tlvdb *tlvdb_find(struct tlvdb *tlvdb, tlv_tag_t tag) {
if (!tlvdb)
return NULL;
for (; tlvdb; tlvdb = tlvdb->next) {
if (tlvdb->tag.tag == tag)
return tlvdb;
}
return NULL;
}
struct tlvdb *tlvdb_find_path(struct tlvdb *tlvdb, tlv_tag_t tag[]) {
int i = 0;
struct tlvdb *tnext = tlvdb;
while (tnext && tag[i]) {
tnext = tlvdb_find(tnext, tag[i]);
i++;
if (tag[i] && tnext) {
tnext = tnext->children;
}
}
return tnext;
}
void tlvdb_add(struct tlvdb *tlvdb, struct tlvdb *other)
{
while (tlvdb->next) {
@ -317,9 +351,8 @@ void tlvdb_visit(const struct tlvdb *tlvdb, tlv_cb cb, void *data, int level)
for (; tlvdb; tlvdb = next) {
next = tlvdb->next;
bool is_leaf = (tlvdb->children == NULL);
cb(data, &tlvdb->tag, level, is_leaf);
tlvdb_visit(tlvdb->children, cb, data, level+1);
cb(data, &tlvdb->tag, level, (tlvdb->children == NULL));
tlvdb_visit(tlvdb->children, cb, data, level + 1);
}
}
@ -356,6 +389,11 @@ const struct tlv *tlvdb_get(const struct tlvdb *tlvdb, tlv_tag_t tag, const stru
return NULL;
}
const struct tlv *tlvdb_get_inchild(const struct tlvdb *tlvdb, tlv_tag_t tag, const struct tlv *prev) {
tlvdb = tlvdb->children;
return tlvdb_get(tlvdb, tag, prev);
}
unsigned char *tlv_encode(const struct tlv *tlv, size_t *len)
{
size_t size = tlv->len;