Splitting cmd_xxx() functions in separate files.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
2022-08-13 14:59:27 +02:00
parent 87feed1222
commit e6f082d512
30 changed files with 2703 additions and 2004 deletions
--- a/src/hsm/cmd_mse.c
+++ b/src/hsm/cmd_mse.c
@@ -0,0 +1,77 @@
+/* 
+ * This file is part of the Pico HSM distribution (https://github.com/polhenarejos/pico-hsm).
+ * 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 "sc_hsm.h"
+#include "asn1.h"
+#include "oid.h"
+#include "eac.h"
+#include "files.h"
+#include "cvc.h"
+
+file_t *ef_puk_aut = NULL;
+
+int cmd_mse() {
+    int p1 = P1(apdu);
+    int p2 = P2(apdu);
+    if (p2 != 0xA4 && p2 != 0xA6 && p2 != 0xAA && p2 != 0xB4 && p2 != 0xB6 && p2 != 0xB8)
+        return SW_INCORRECT_P1P2();
+    if (p1 & 0x1) { //SET
+        uint16_t tag = 0x0;
+        uint8_t *tag_data = NULL, *p = NULL;
+        size_t tag_len = 0;    
+        while (walk_tlv(apdu.data, apdu.nc, &p, &tag, &tag_len, &tag_data)) {
+            if (tag == 0x80) {
+                if (p2 == 0xA4) {
+                    if (tag_len == 10 && memcmp(tag_data, OID_ID_CA_ECDH_AES_CBC_CMAC_128, tag_len) == 0)
+                        sm_set_protocol(MSE_AES);
+                    else if (tag_len == 10 && memcmp(tag_data, OID_ID_CA_ECDH_3DES_CBC_CBC, tag_len) == 0)
+                        sm_set_protocol(MSE_3DES);
+                }
+            }
+            else if (tag == 0x83) {
+                if (tag_len == 1) {
+                    
+                }
+                else {
+                    if (p2 == 0xB6) {
+                        if (puk_store_select_chr(tag_data) == CCID_OK)
+                            return SW_OK();
+                    }
+                    else if (p2 == 0xA4) { /* Aut */
+                        for (int i = 0; i < MAX_PUK; i++) {
+                            file_t *ef = search_dynamic_file(EF_PUK+i);
+                            if (!ef)
+                                break;
+                            if (ef->data == NULL || file_get_size(ef) == 0)
+                                break;
+                            size_t chr_len = 0;
+                            const uint8_t *chr = cvc_get_chr(file_get_data(ef), file_get_size(ef), &chr_len);
+                            if (memcmp(chr, tag_data, chr_len) == 0) {
+                                ef_puk_aut = ef;
+                                return SW_OK();
+                            }
+                        }
+                    }
+                    return SW_REFERENCE_NOT_FOUND();
+                }
+            }
+        }
+    }
+    else
+        return SW_INCORRECT_P1P2();
+    return SW_OK();
+}