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less global vars

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This commit is contained in:
Philippe Teuwen 2020-06-01 20:45:37 +02:00
commit 447105511a
12 changed files with 47 additions and 50 deletions
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2
client/src/cmdhfmfdes.c
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@ -32,7 +32,7 @@
#define MAX_KEY_LEN 24 #define MAX_KEY_LEN 24
#define MAX_KEYS_LIST_LEN 1024 #define MAX_KEYS_LIST_LEN 1024
struct desfire_key defaultkey = {0}; static struct desfire_key defaultkey = {0};
static desfirekey_t sessionkey = &defaultkey; static desfirekey_t sessionkey = &defaultkey;
//uint8_t key_zero_data[16] = { 0x00 }; //uint8_t key_zero_data[16] = { 0x00 };

2
client/src/cmdhfmfhard.c
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@ -499,7 +499,7 @@ static void free_sum_bitarrays(void) {
#ifdef DEBUG_KEY_ELIMINATION #ifdef DEBUG_KEY_ELIMINATION
char failstr[250] = ""; static char failstr[250] = "";
#endif #endif
static const float p_K0[NUM_SUMS] = { // the probability that a random nonce has a Sum Property K static const float p_K0[NUM_SUMS] = { // the probability that a random nonce has a Sum Property K

2
client/src/cmdlf.c
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@ -55,7 +55,7 @@
#include "cmdlfmotorola.h" // for Motorola menu #include "cmdlfmotorola.h" // for Motorola menu
#include "cmdlfgallagher.h" // for GALLAGHER menu #include "cmdlfgallagher.h" // for GALLAGHER menu
bool g_lf_threshold_set = false; static bool g_lf_threshold_set = false;
static int CmdHelp(const char *Cmd); static int CmdHelp(const char *Cmd);

2
client/src/cmdlfem4x.c
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@ -30,7 +30,7 @@
#include "cmdlf.h" #include "cmdlf.h"
#include "lfdemod.h" #include "lfdemod.h"
uint64_t g_em410xid = 0; static uint64_t g_em410xid = 0;
static int CmdHelp(const char *Cmd); static int CmdHelp(const char *Cmd);

2
client/src/cmdtrace.c
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@ -24,7 +24,7 @@ static int CmdHelp(const char *Cmd);
// trace pointer // trace pointer
static uint8_t *g_trace; static uint8_t *g_trace;
long g_traceLen = 0; static long g_traceLen = 0;
static int usage_trace_list(void) { static int usage_trace_list(void) {
PrintAndLogEx(NORMAL, "List protocol data in trace buffer."); PrintAndLogEx(NORMAL, "List protocol data in trace buffer.");

60
client/src/emv/emv_roca.c
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@ -26,39 +26,33 @@
#include "ui.h" // Print... #include "ui.h" // Print...
#include "bignum.h" #include "bignum.h"
static uint8_t g_primes[ROCA_PRINTS_LENGTH] = { static void rocacheck_init(mbedtls_mpi *prints) {
11, 13, 17, 19, 37, 53, 61, 71, 73, 79, 97, 103, 107, 109, 127, 151, 157
};
mbedtls_mpi g_prints[ROCA_PRINTS_LENGTH];
static void rocacheck_init(void) {
for (int i = 0; i < ROCA_PRINTS_LENGTH; i++) for (int i = 0; i < ROCA_PRINTS_LENGTH; i++)
mbedtls_mpi_init(&g_prints[i]); mbedtls_mpi_init(&prints[i]);
mbedtls_mpi_read_string(&g_prints[0], 10, "1026"); mbedtls_mpi_read_string(&prints[0], 10, "1026");
mbedtls_mpi_read_string(&g_prints[1], 10, "5658"); mbedtls_mpi_read_string(&prints[1], 10, "5658");
mbedtls_mpi_read_string(&g_prints[2], 10, "107286"); mbedtls_mpi_read_string(&prints[2], 10, "107286");
mbedtls_mpi_read_string(&g_prints[3], 10, "199410"); mbedtls_mpi_read_string(&prints[3], 10, "199410");
mbedtls_mpi_read_string(&g_prints[4], 10, "67109890"); mbedtls_mpi_read_string(&prints[4], 10, "67109890");
mbedtls_mpi_read_string(&g_prints[5], 10, "5310023542746834"); mbedtls_mpi_read_string(&prints[5], 10, "5310023542746834");
mbedtls_mpi_read_string(&g_prints[6], 10, "1455791217086302986"); mbedtls_mpi_read_string(&prints[6], 10, "1455791217086302986");
mbedtls_mpi_read_string(&g_prints[7], 10, "20052041432995567486"); mbedtls_mpi_read_string(&prints[7], 10, "20052041432995567486");
mbedtls_mpi_read_string(&g_prints[8], 10, "6041388139249378920330"); mbedtls_mpi_read_string(&prints[8], 10, "6041388139249378920330");
mbedtls_mpi_read_string(&g_prints[9], 10, "207530445072488465666"); mbedtls_mpi_read_string(&prints[9], 10, "207530445072488465666");
mbedtls_mpi_read_string(&g_prints[10], 10, "79228162521181866724264247298"); mbedtls_mpi_read_string(&prints[10], 10, "79228162521181866724264247298");
mbedtls_mpi_read_string(&g_prints[11], 10, "1760368345969468176824550810518"); mbedtls_mpi_read_string(&prints[11], 10, "1760368345969468176824550810518");
mbedtls_mpi_read_string(&g_prints[12], 10, "50079290986288516948354744811034"); mbedtls_mpi_read_string(&prints[12], 10, "50079290986288516948354744811034");
mbedtls_mpi_read_string(&g_prints[13], 10, "473022961816146413042658758988474"); mbedtls_mpi_read_string(&prints[13], 10, "473022961816146413042658758988474");
mbedtls_mpi_read_string(&g_prints[14], 10, "144390480366845522447407333004847678774"); mbedtls_mpi_read_string(&prints[14], 10, "144390480366845522447407333004847678774");
mbedtls_mpi_read_string(&g_prints[15], 10, "1800793591454480341970779146165214289059119882"); mbedtls_mpi_read_string(&prints[15], 10, "1800793591454480341970779146165214289059119882");
mbedtls_mpi_read_string(&g_prints[16], 10, "126304807362733370595828809000324029340048915994"); mbedtls_mpi_read_string(&prints[16], 10, "126304807362733370595828809000324029340048915994");
} }
static void rocacheck_cleanup(void) { static void rocacheck_cleanup(mbedtls_mpi *prints) {
for (int i = 0; i < ROCA_PRINTS_LENGTH; i++) for (int i = 0; i < ROCA_PRINTS_LENGTH; i++)
mbedtls_mpi_free(&g_prints[i]); mbedtls_mpi_free(&prints[i]);
} }
static int bitand_is_zero(mbedtls_mpi *a, mbedtls_mpi *b) { static int bitand_is_zero(mbedtls_mpi *a, mbedtls_mpi *b) {
@ -97,8 +91,12 @@ bool emv_rocacheck(const unsigned char *buf, size_t buflen, bool verbose) {
mbedtls_mpi_init(&t_modulus); mbedtls_mpi_init(&t_modulus);
bool ret = false; bool ret = false;
mbedtls_mpi prints[ROCA_PRINTS_LENGTH];
uint8_t primes[ROCA_PRINTS_LENGTH] = {
11, 13, 17, 19, 37, 53, 61, 71, 73, 79, 97, 103, 107, 109, 127, 151, 157
};
rocacheck_init(); rocacheck_init(prints);
MBEDTLS_MPI_CHK(mbedtls_mpi_read_binary(&t_modulus, buf, buflen)); MBEDTLS_MPI_CHK(mbedtls_mpi_read_binary(&t_modulus, buf, buflen));
@ -114,13 +112,13 @@ bool emv_rocacheck(const unsigned char *buf, size_t buflen, bool verbose) {
MBEDTLS_MPI_CHK(mbedtls_mpi_read_string(&g_one, 10, "1")); MBEDTLS_MPI_CHK(mbedtls_mpi_read_string(&g_one, 10, "1"));
MBEDTLS_MPI_CHK(mbedtls_mpi_add_int(&t_prime, &t_prime, g_primes[i])); MBEDTLS_MPI_CHK(mbedtls_mpi_add_int(&t_prime, &t_prime, primes[i]));
MBEDTLS_MPI_CHK(mbedtls_mpi_mod_mpi(&t_temp, &t_modulus, &t_prime)); MBEDTLS_MPI_CHK(mbedtls_mpi_mod_mpi(&t_temp, &t_modulus, &t_prime));
MBEDTLS_MPI_CHK(mbedtls_mpi_shift_l(&g_one, mpi_get_uint(&t_temp))); MBEDTLS_MPI_CHK(mbedtls_mpi_shift_l(&g_one, mpi_get_uint(&t_temp)));
if (bitand_is_zero(&g_one, &g_prints[i])) { if (bitand_is_zero(&g_one, &prints[i])) {
if (verbose) if (verbose)
PrintAndLogEx(FAILED, "No fingerprint found.\n"); PrintAndLogEx(FAILED, "No fingerprint found.\n");
goto cleanup; goto cleanup;
@ -138,7 +136,7 @@ bool emv_rocacheck(const unsigned char *buf, size_t buflen, bool verbose) {
cleanup: cleanup:
mbedtls_mpi_free(&t_modulus); mbedtls_mpi_free(&t_modulus);
rocacheck_cleanup(); rocacheck_cleanup(prints);
return ret; return ret;
} }

1
client/src/graph.c
View file

@ -19,7 +19,6 @@
int GraphBuffer[MAX_GRAPH_TRACE_LEN]; int GraphBuffer[MAX_GRAPH_TRACE_LEN];
size_t GraphTraceLen; size_t GraphTraceLen;
int s_Buff[MAX_GRAPH_TRACE_LEN];
/* write a manchester bit to the graph /* write a manchester bit to the graph
TODO, verfy that this doesn't overflow buffer (iceman) TODO, verfy that this doesn't overflow buffer (iceman)

1
client/src/graph.h
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@ -40,7 +40,6 @@ bool fskClocks(uint8_t *fc1, uint8_t *fc2, uint8_t *rf1, int *firstClockEdge);
extern int GraphBuffer[MAX_GRAPH_TRACE_LEN]; extern int GraphBuffer[MAX_GRAPH_TRACE_LEN];
extern size_t GraphTraceLen; extern size_t GraphTraceLen;
extern int s_Buff[MAX_GRAPH_TRACE_LEN];
#ifdef __cplusplus #ifdef __cplusplus
} }

11
client/src/proxguiqt.cpp
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@ -34,11 +34,12 @@
extern "C" int preferences_save(void); extern "C" int preferences_save(void);
bool g_useOverlays = false; static int s_Buff[MAX_GRAPH_TRACE_LEN];
int g_absVMax = 0; static bool g_useOverlays = false;
uint32_t startMax; // Maximum offset in the graph (right side of graph) static int g_absVMax = 0;
uint32_t PageWidth; // How many samples are currently visible on this 'page' / graph static uint32_t startMax; // Maximum offset in the graph (right side of graph)
int unlockStart = 0; static uint32_t PageWidth; // How many samples are currently visible on this 'page' / graph
static int unlockStart = 0;
void ProxGuiQT::ShowGraphWindow(void) { void ProxGuiQT::ShowGraphWindow(void) {
emit ShowGraphWindowSignal(); emit ShowGraphWindowSignal();

6
client/src/proxmark3.c
View file

@ -134,9 +134,9 @@ static int check_comm(void) {
} }
// first slot is always NULL, indicating absence of script when idx=0 // first slot is always NULL, indicating absence of script when idx=0
FILE *cmdscriptfile[MAX_NESTED_CMDSCRIPT + 1] = {0}; static FILE *cmdscriptfile[MAX_NESTED_CMDSCRIPT + 1] = {0};
uint8_t cmdscriptfile_idx = 0; static uint8_t cmdscriptfile_idx = 0;
bool cmdscriptfile_stayafter = false; static bool cmdscriptfile_stayafter = false;
int push_cmdscriptfile(char *path, bool stayafter) { int push_cmdscriptfile(char *path, bool stayafter) {
if (cmdscriptfile_idx == MAX_NESTED_CMDSCRIPT) { if (cmdscriptfile_idx == MAX_NESTED_CMDSCRIPT) {

4
client/src/uart/uart_posix.c
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@ -77,8 +77,8 @@ struct timeval timeout = {
.tv_usec = UART_FPC_CLIENT_RX_TIMEOUT_MS * 1000 .tv_usec = UART_FPC_CLIENT_RX_TIMEOUT_MS * 1000
}; };
uint32_t newtimeout_value = 0; static uint32_t newtimeout_value = 0;
bool newtimeout_pending = false; static bool newtimeout_pending = false;
int uart_reconfigure_timeouts(uint32_t value) { int uart_reconfigure_timeouts(uint32_t value) {
newtimeout_value = value; newtimeout_value = value;

4
client/src/ui.c
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@ -44,7 +44,7 @@ session_arg_t session;
double CursorScaleFactor = 1; double CursorScaleFactor = 1;
int PlotGridX = 0, PlotGridY = 0, PlotGridXdefault = 64, PlotGridYdefault = 64; int PlotGridX = 0, PlotGridY = 0, PlotGridXdefault = 64, PlotGridYdefault = 64;
uint32_t CursorCPos = 0, CursorDPos = 0; uint32_t CursorCPos = 0, CursorDPos = 0;
bool flushAfterWrite = 0; static bool flushAfterWrite = 0;
int GridOffset = 0; int GridOffset = 0;
bool GridLocked = false; bool GridLocked = false;
bool showDemod = true; bool showDemod = true;
@ -176,7 +176,7 @@ void PrintAndLogOptions(const char *str[][2], size_t size, size_t space) {
PrintAndLogEx(NORMAL, "%s", buff); PrintAndLogEx(NORMAL, "%s", buff);
} }
uint8_t PrintAndLogEx_spinidx = 0; static uint8_t PrintAndLogEx_spinidx = 0;
void PrintAndLogEx(logLevel_t level, const char *fmt, ...) { void PrintAndLogEx(logLevel_t level, const char *fmt, ...) {