Move cmd functions to separate files.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>

src/openpgp/cmd_verify.c

@@ -0,0 +1,67 @@
+/*
+ * This file is part of the Pico OpenPGP distribution (https://github.com/polhenarejos/pico-openpgp).
+ * Copyright (c) 2022 Pol Henarejos.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "openpgp.h"
+
+int cmd_verify() {
+    uint8_t p1 = P1(apdu);
+    uint8_t p2 = P2(apdu);
+
+    if (p1 == 0xFF) {
+        if (apdu.nc != 0) {
+            return SW_WRONG_DATA();
+        }
+        if (p2 == 0x81) {
+            has_pw1 = false;
+        }
+        else if (p2 == 0x82) {
+            has_pw2 = false;
+        }
+        else if (p2 == 0x83) {
+            has_pw3 = false;
+        }
+        return SW_OK();
+    }
+    else if (p1 != 0x0 || (p2 & 0x60) != 0x0) {
+        return SW_WRONG_P1P2();
+    }
+    uint16_t fid = 0x1000 | p2;
+    if (fid == EF_RC && apdu.nc > 0) {
+        fid = EF_PW1;
+    }
+    file_t *pw, *pw_status;
+    if (!(pw = search_by_fid(fid, NULL, SPECIFY_EF))) {
+        return SW_REFERENCE_NOT_FOUND();
+    }
+    if (!(pw_status = search_by_fid(EF_PW_PRIV, NULL, SPECIFY_EF))) {
+        return SW_REFERENCE_NOT_FOUND();
+    }
+    if (file_get_data(pw)[0] == 0) { //not initialized
+        return SW_REFERENCE_NOT_FOUND();
+    }
+    if (apdu.nc > 0) {
+        return check_pin(pw, apdu.data, apdu.nc);
+    }
+    uint8_t retries = *(file_get_data(pw_status) + 3 + (fid & 0xf));
+    if (retries == 0) {
+        return SW_PIN_BLOCKED();
+    }
+    if ((p2 == 0x81 && has_pw1) || (p2 == 0x82 && has_pw2) || (p2 == 0x83 && has_pw3)) {
+        return SW_OK();
+    }
+    return set_res_sw(0x63, 0xc0 | retries);
+}