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Adding initialize commands.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2022-02-21 16:05:32 +01:00
parent 87a47c626b
commit d4e4cbbb0a
2 changed files with 38 additions and 42 deletions
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77
file.c
View File

@@ -105,13 +105,13 @@ file_t file_entries[] = {
/* 6 */ { .fid = 0x5031 , .parent = 5, .name = NULL, .type = FILE_TYPE_WORKING_EF, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0} }, //EF.ODF
/* 7 */ { .fid = 0x5032 , .parent = 5, .name = NULL, .type = FILE_TYPE_WORKING_EF, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0} }, //EF.TokenInfo
/* 8 */ { .fid = 0x5033 , .parent = 0, .name = NULL, .type = FILE_TYPE_WORKING_EF, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0} }, //EF.UnusedSpace
/* 9 */ { .fid = 0x1081 , .parent = 5, .name = NULL, .type = FILE_TYPE_INTERNAL_EF, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0xff} }, //PIN (PIN1)
/* 10 */ { .fid = 0x1082 , .parent = 5, .name = NULL, .type = FILE_TYPE_INTERNAL_EF, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0xff} }, //max retries PIN (PIN1)
/* 11 */ { .fid = 0x1083 , .parent = 5, .name = NULL, .type = FILE_TYPE_INTERNAL_EF, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0xff} }, //retries PIN (PIN1)
/* 12 */ { .fid = 0x1088 , .parent = 5, .name = NULL, .type = FILE_TYPE_INTERNAL_EF, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0xff} }, //PIN (SOPIN)
/* 13 */ { .fid = 0x1089 , .parent = 5, .name = NULL, .type = FILE_TYPE_INTERNAL_EF, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0xff} }, //max retries PIN (SOPIN)
/* 14 */ { .fid = 0x108A , .parent = 5, .name = NULL, .type = FILE_TYPE_INTERNAL_EF, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0xff} }, //retries PIN (SOPIN)
/* 15 */ { .fid = EF_DKEK , .parent = 5, .name = NULL, .type = FILE_TYPE_INTERNAL_EF, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0xff} }, //DKEK
/* 9 */ { .fid = 0x1081 , .parent = 5, .name = NULL, .type = FILE_TYPE_INTERNAL_EF | FILE_FLASH, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0xff} }, //PIN (PIN1)
/* 10 */ { .fid = 0x1082 , .parent = 5, .name = NULL, .type = FILE_TYPE_INTERNAL_EF | FILE_FLASH, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0xff} }, //max retries PIN (PIN1)
/* 11 */ { .fid = 0x1083 , .parent = 5, .name = NULL, .type = FILE_TYPE_INTERNAL_EF | FILE_FLASH, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0xff} }, //retries PIN (PIN1)
/* 12 */ { .fid = 0x1088 , .parent = 5, .name = NULL, .type = FILE_TYPE_INTERNAL_EF | FILE_FLASH, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0xff} }, //PIN (SOPIN)
/* 13 */ { .fid = 0x1089 , .parent = 5, .name = NULL, .type = FILE_TYPE_INTERNAL_EF | FILE_FLASH, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0xff} }, //max retries PIN (SOPIN)
/* 14 */ { .fid = 0x108A , .parent = 5, .name = NULL, .type = FILE_TYPE_INTERNAL_EF | FILE_FLASH, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0xff} }, //retries PIN (SOPIN)
/* 15 */ { .fid = EF_DKEK , .parent = 5, .name = NULL, .type = FILE_TYPE_INTERNAL_EF | FILE_FLASH, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0xff} }, //DKEK
/* 16 */ { .fid = EF_PRKDFS , .parent = 5, .name = NULL, .type = FILE_TYPE_WORKING_EF, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0} }, //EF.PrKDFs
/* 17 */ { .fid = EF_PUKDFS , .parent = 5, .name = NULL, .type = FILE_TYPE_WORKING_EF, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0} }, //EF.PuKDFs
/* 18 */ { .fid = EF_CDFS , .parent = 5, .name = NULL, .type = FILE_TYPE_WORKING_EF, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0} }, //EF.CDFs
@@ -227,6 +227,30 @@ bool authenticate_action(const file_t *ef, uint8_t op) {
#include "libopensc/pkcs15.h"
void initialize_chain(file_chain_t **chain) {
file_chain_t *next;
for (file_chain_t *f = *chain; f; f = next) {
next = f->next;
free(f->file);
free(f);
}
*chain = NULL;
}
void initialize_flash() {
const uint8_t empty[8] = { 0 };
flash_program_block(end_data_pool, empty, sizeof(empty));
low_flash_available();
initialize_chain(&ef_prkdf);
initialize_chain(&ef_pukdf);
initialize_chain(&ef_kf);
initialize_chain(&ef_cdf);
for (file_t *f = file_entries; f != file_last; f++) {
if ((f->type & FILE_FLASH) == FILE_FLASH)
f->data = NULL;
}
}
void scan_flash() {
if (*(uintptr_t *)end_data_pool == 0xffffffff && *(uintptr_t *)(end_data_pool+sizeof(uintptr_t)) == 0xffffffff)
{
@@ -237,42 +261,7 @@ void scan_flash() {
//wait_flash_finish();
}
printf("SCAN\r\n");
sc_context_t *ctx;
sc_context_param_t ctx_opts;
memset(&ctx_opts, 0, sizeof(sc_context_param_t));
int r = sc_context_create(&ctx, &ctx_opts);
ctx->debug = 9;
struct sc_pkcs15_object obj;
memset(&obj, 0, sizeof(obj));
obj.type = SC_PKCS15_TYPE_PRKEY_RSA;
struct sc_pkcs15_prkey_info info;
/* Fill in defaults */
memset(&info, 0, sizeof(info));
info.key_reference = 0x2a;
info.native = 1;
char id[] = "0309";
info.id.len = sizeof(id);
memcpy(info.id.value, id, sizeof(id));
info.usage = 1;
info.access_flags = 1;
obj.data = malloc(sizeof(info));
if (obj.data == NULL) {
int r = SC_ERROR_OUT_OF_MEMORY;
TU_LOG1("Out of memory");
return ;
}
memcpy(obj.data, &info, sizeof(info));
u8 *buf;
size_t len;
r = sc_pkcs15_encode_prkdf_entry(ctx, &obj, &buf, &len);
printf("r %d, len %d\r\n",r,len);
DEBUG_PAYLOAD(buf, len);
uintptr_t base = flash_read_uintptr(end_data_pool);
for (uintptr_t base = flash_read_uintptr(end_data_pool); base >= start_data_pool; base = flash_read_uintptr(base)) {
if (base == 0x0) //all is empty
@@ -294,6 +283,10 @@ void scan_flash() {
file = file_new(fid);
add_file_to_chain(file, &ef_cdf);
}
else if ((fid & 0xff00) == (EE_CERTIFICATE_PREFIX << 8)) {
file = file_new(fid);
add_file_to_chain(file, &ef_pukdf);
}
else {
TU_LOG1("SCAN FOUND ORPHAN FILE: %x\r\n",fid);
continue;

3
file.h
View File

@@ -9,6 +9,8 @@
#define FILE_TYPE_INTERNAL_EF 0x03
#define FILE_TYPE_WORKING_EF 0x01
#define FILE_TYPE_BSO 0x10
#define FILE_PERSISTENT 0x20
#define FILE_FLASH 0x40
/* EF structures */
#define FILE_EF_UNKNOWN 0x00
@@ -79,6 +81,7 @@ extern file_t *search_by_path(const uint8_t *pe_path, uint8_t pathlen, const fil
extern bool authenticate_action(const file_t *ef, uint8_t op);
extern void process_fci(const file_t *pe);
extern void scan_flash();
extern void initialize_flash();
extern file_t file_entries[];