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Fix applet cmp

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
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Pol Henarejos
2025-12-09 19:15:22 +01:00
parent 09ec0767b6
commit 7583ecff18
1 changed files with 4 additions and 4 deletions
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8
src/main.c
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@@ -58,7 +58,7 @@ const uint8_t *ccid_atr = NULL;
bool app_exists(const uint8_t *aid, size_t aid_len) { bool app_exists(const uint8_t *aid, size_t aid_len) {
for (int a = 0; a < num_apps; a++) { for (int a = 0; a < num_apps; a++) {
if (!memcmp(apps[a].aid + 1, aid, apps[a].aid[0])) { if (aid_len >= apps[a].aid[0] && !memcmp(apps[a].aid + 1, aid, apps[a].aid[0])) {
return true; return true;
} }
} }
@@ -79,14 +79,14 @@ int register_app(int (*select_aid)(app_t *, uint8_t), const uint8_t *aid) {
} }
int select_app(const uint8_t *aid, size_t aid_len) { int select_app(const uint8_t *aid, size_t aid_len) {
if (current_app && current_app->aid && (current_app->aid + 1 == aid || !memcmp(current_app->aid + 1, aid, current_app->aid[0]))) { if (current_app && current_app->aid && (current_app->aid + 1 == aid || (aid_len >= current_app->aid[0] && !memcmp(current_app->aid + 1, aid, current_app->aid[0])))) {
current_app->select_aid(current_app, 0); current_app->select_aid(current_app, 0);
return PICOKEY_OK; return PICOKEY_OK;
} }
for (int a = 0; a < num_apps; a++) { for (int a = 0; a < num_apps; a++) {
if (!memcmp(apps[a].aid + 1, aid, apps[a].aid[0])) { if (aid_len >= apps[a].aid[0] && !memcmp(apps[a].aid + 1, aid, apps[a].aid[0])) {
if (current_app) { if (current_app) {
if (current_app->aid && !memcmp(current_app->aid + 1, aid, current_app->aid[0])) { if (current_app->aid && aid_len >= current_app->aid[0] && !memcmp(current_app->aid + 1, aid, current_app->aid[0])) {
current_app->select_aid(current_app, 1); current_app->select_aid(current_app, 1);
return PICOKEY_OK; return PICOKEY_OK;
} }