X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/b9957414a5fc9a661fed27d95838726eeeedadd9..2e35aa3aa7d09cf2caa85a5a9f2b6cdfc74afb87:/client/util.c?ds=sidebyside
diff --git a/client/util.c b/client/util.c
index 5c2579b1..92b0e7a6 100644
--- a/client/util.c
+++ b/client/util.c
@@ -8,10 +8,6 @@
// utilities
//-----------------------------------------------------------------------------
-#if !defined(_WIN32)
-#define _POSIX_C_SOURCE 199309L // need nanosleep()
-#endif
-
#include "util.h"
#include <stdint.h>
@@ -22,6 +18,10 @@
#include <time.h>
#include "data.h"
+#ifdef _WIN32
+#include <windows.h>
+#endif
+
#define MAX_BIN_BREAK_LENGTH (3072+384+1)
#ifndef _WIN32
@@ -154,6 +154,28 @@ char *sprint_hex(const uint8_t *data, const size_t len) {
return buf;
}
+char *sprint_hex_inrow_ex(const uint8_t *data, const size_t len, const size_t min_str_len) {
+
+ int maxLen = ( len > 1024/2) ? 1024/2 : len;
+ static char buf[1024] = {0};
+ char *tmp = buf;
+ size_t i;
+
+ for (i = 0; i < maxLen; ++i, tmp += 2)
+ sprintf(tmp, "%02x", (unsigned int) data[i]);
+
+ i *= 2;
+ int minStrLen = min_str_len > i ? min_str_len : 0;
+ for(; i < minStrLen; i++, tmp += 1)
+ sprintf(tmp, " ");
+
+ return buf;
+}
+
+char *sprint_hex_inrow(const uint8_t *data, const size_t len) {
+ return sprint_hex_inrow_ex(data, len, 0);
+}
+
char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t breaks) {
// make sure we don't go beyond our char array memory
int max_len;
@@ -193,13 +215,14 @@ char *sprint_hex_ascii(const uint8_t *data, const size_t len) {
static char buf[1024];
char *tmp = buf;
memset(buf, 0x00, 1024);
- size_t max_len = (len > 1010) ? 1010 : len;
-
+ size_t max_len = (len > 255) ? 255 : len;
+ // max 255 bytes * 3 + 2 characters = 767 in buffer
sprintf(tmp, "%s| ", sprint_hex(data, max_len) );
size_t i = 0;
size_t pos = (max_len * 3)+2;
- while(i < max_len){
+ // add another 255 characters ascii = 1020 characters of buffer used
+ while(i < max_len) {
char c = data[i];
if ( (c < 32) || (c == 127))
c = '.';
@@ -209,7 +232,7 @@ char *sprint_hex_ascii(const uint8_t *data, const size_t len) {
return buf;
}
-char *sprint_ascii(const uint8_t *data, const size_t len) {
+char *sprint_ascii_ex(const uint8_t *data, const size_t len, const size_t min_str_len) {
static char buf[1024];
char *tmp = buf;
memset(buf, 0x00, 1024);
@@ -220,9 +243,18 @@ char *sprint_ascii(const uint8_t *data, const size_t len) {
tmp[i] = ((c < 32) || (c == 127)) ? '.' : c;
++i;
}
+
+ int minStrLen = min_str_len > i ? min_str_len : 0;
+ for(; i < minStrLen; ++i)
+ tmp[i] = ' ';
+
return buf;
}
+char *sprint_ascii(const uint8_t *data, const size_t len) {
+ return sprint_ascii_ex(data, len, 0);
+}
+
void num_to_bytes(uint64_t n, size_t len, uint8_t* dest)
{
while (len--) {
@@ -321,7 +353,7 @@ char * printBits(size_t const size, void const * const ptr)
// -------------------------------------------------------------------------
// line - param line
-// bg, en - symbol numbers in param line of beginning an ending parameter
+// bg, en - symbol numbers in param line of beginning and ending parameter
// paramnum - param number (from 0)
// -------------------------------------------------------------------------
int param_getptr(const char *line, int *bg, int *en, int paramnum)
@@ -354,13 +386,28 @@ int param_getptr(const char *line, int *bg, int *en, int paramnum)
}
-char param_getchar(const char *line, int paramnum)
+int param_getlength(const char *line, int paramnum)
{
int bg, en;
+ if (param_getptr(line, &bg, &en, paramnum)) return 0;
+
+ return en - bg + 1;
+}
+
+char param_getchar(const char *line, int paramnum) {
+ return param_getchar_indx(line, 0, paramnum);
+}
+
+char param_getchar_indx(const char *line, int indx, int paramnum) {
+ int bg, en;
+
if (param_getptr(line, &bg, &en, paramnum)) return 0x00;
- return line[bg];
+ if (bg + indx > en)
+ return '\0';
+
+ return line[bg + indx];
}
uint8_t param_get8(const char *line, int paramnum)
@@ -470,11 +517,66 @@ int param_gethex_ex(const char *line, int paramnum, uint8_t * data, int *hexcnt)
return 0;
}
-int param_getstr(const char *line, int paramnum, char * str)
+
+int param_gethex_to_eol(const char *line, int paramnum, uint8_t * data, int maxdatalen, int *datalen) {
+ int bg, en;
+ uint32_t temp;
+ char buf[5] = {0};
+
+ if (param_getptr(line, &bg, &en, paramnum)) return 1;
+
+ *datalen = 0;
+
+ int indx = bg;
+ while (line[indx]) {
+ if (line[indx] == '\t' || line[indx] == ' ') {
+ indx++;
+ continue;
+ }
+
+ if (isxdigit(line[indx])) {
+ buf[strlen(buf) + 1] = 0x00;
+ buf[strlen(buf)] = line[indx];
+ } else {
+ // if we have symbols other than spaces and hex
+ return 1;
+ }
+
+ if (*datalen >= maxdatalen) {
+ // if we dont have space in buffer and have symbols to translate
+ return 2;
+ }
+
+ if (strlen(buf) >= 2) {
+ sscanf(buf, "%x", &temp);
+ data[*datalen] = (uint8_t)(temp & 0xff);
+ *buf = 0;
+ (*datalen)++;
+ }
+
+ indx++;
+ }
+
+ if (strlen(buf) > 0)
+ //error when not completed hex bytes
+ return 3;
+
+ return 0;
+}
+
+int param_getstr(const char *line, int paramnum, char * str, size_t buffersize)
{
int bg, en;
- if (param_getptr(line, &bg, &en, paramnum)) return 0;
+ if (param_getptr(line, &bg, &en, paramnum)) {
+ return 0;
+ }
+
+ // Prevent out of bounds errors
+ if (en - bg + 1 >= buffersize) {
+ printf("out of bounds error: want %d bytes have %zd bytes\n", en - bg + 1 + 1, buffersize);
+ return 0;
+ }
memcpy(str, line + bg, en - bg + 1);
str[en - bg + 1] = 0;
@@ -492,6 +594,7 @@ https://github.com/ApertureLabsLtd/RFIDler/blob/master/firmware/Pic32/RFIDler.X/
int hextobinarray(char *target, char *source)
{
int length, i, count= 0;
+ char* start = source;
char x;
length = strlen(source);
@@ -507,8 +610,10 @@ int hextobinarray(char *target, char *source)
x -= '0';
else if (x >= 'A' && x <= 'F')
x -= 'A' - 10;
- else
+ else {
+ printf("Discovered unknown character %c %d at idx %d of %s\n", x, x, source - start, start);
return 0;
+ }
// output
for(i= 0 ; i < 4 ; ++i, ++count)
*(target++)= (x >> (3 - i)) & 1;
@@ -613,46 +718,43 @@ void clean_ascii(unsigned char *buf, size_t len) {
}
}
+// replace \r \n to \0
+void strcleanrn(char *buf, size_t len) {
+ strcreplace(buf, len, '\n', '\0');
+ strcreplace(buf, len, '\r', '\0');
+}
-// Timer functions
-#if !defined (_WIN32)
-#include <errno.h>
-
-static void nsleep(uint64_t n) {
- struct timespec timeout;
- timeout.tv_sec = n/1000000000;
- timeout.tv_nsec = n%1000000000;
- while (nanosleep(&timeout, &timeout) && errno == EINTR);
+// replace char in buffer
+void strcreplace(char *buf, size_t len, char from, char to) {
+ for (size_t i = 0; i < len; i++) {
+ if (buf[i] == from)
+ buf[i] = to;
+ }
}
-void msleep(uint32_t n) {
- nsleep(1000000 * n);
+char *strmcopy(char *buf) {
+ char * str = NULL;
+ if ((str = (char*) malloc(strlen(buf) + 1)) != NULL) {
+ memset(str, 0, strlen(buf) + 1);
+ strcpy(str, buf);
+ }
+ return str;
}
-#endif // _WIN32
-// a milliseconds timer for performance measurement
-uint64_t msclock() {
+// determine number of logical CPU cores (use for multithreaded functions)
+extern int num_CPUs(void)
+{
#if defined(_WIN32)
- #include <sys/types.h>
-
- // WORKAROUND FOR MinGW (some versions - use if normal code does not compile)
- // It has no _ftime_s and needs explicit inclusion of timeb.h
- #include <sys/timeb.h>
- struct _timeb t;
- _ftime(&t);
- return 1000 * t.time + t.millitm;
-
- // NORMAL CODE (use _ftime_s)
- //struct _timeb t;
- //if (_ftime_s(&t)) {
- // return 0;
- //} else {
- // return 1000 * t.time + t.millitm;
- //}
+ #include <sysinfoapi.h>
+ SYSTEM_INFO sysinfo;
+ GetSystemInfo(&sysinfo);
+ return sysinfo.dwNumberOfProcessors;
+#elif defined(__linux__) || defined(__APPLE__)
+ #include <unistd.h>
+ return sysconf(_SC_NPROCESSORS_ONLN);
#else
- struct timespec t;
- clock_gettime(CLOCK_MONOTONIC, &t);
- return (t.tv_sec * 1000 + t.tv_nsec / 1000000);
+ return 1;
#endif
}
+