mirror of https://github.com/neutrinolabs/xrdp
pcsc, add hexdump for debugging
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@ -64,6 +64,8 @@ PCSC_API SCARD_IO_REQUEST g_rgSCardRawPci = { SCARD_PROTOCOL_RAW, 8 };
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#define LLOG_LEVEL 5
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#define LLOGLN(_level, _args) \
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do { if (_level < LLOG_LEVEL) { printf _args ; printf("\n"); } } while (0)
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#define LHEXDUMP(_level, _args) \
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do { if (_level < LLOG_LEVEL) { lhexdump _args ; } } while (0)
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#define SCARD_ESTABLISH_CONTEXT 0x01
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#define SCARD_RELEASE_CONTEXT 0x02
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@ -107,6 +109,50 @@ static pthread_mutex_t g_mutex = PTHREAD_MUTEX_INITIALIZER;
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/* for pcsc_stringify_error */
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static char g_error_str[512];
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/*****************************************************************************/
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/* produce a hex dump */
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static void
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lhexdump(void *p, int len)
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{
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unsigned char *line;
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int i;
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int thisline;
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int offset;
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line = (unsigned char *)p;
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offset = 0;
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while (offset < len)
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{
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printf("%04x ", offset);
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thisline = len - offset;
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if (thisline > 16)
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{
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thisline = 16;
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}
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for (i = 0; i < thisline; i++)
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{
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printf("%02x ", line[i]);
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}
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for (; i < 16; i++)
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{
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printf(" ");
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}
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for (i = 0; i < thisline; i++)
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{
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printf("%c", (line[i] >= 0x20 && line[i] < 0x7f) ? line[i] : '.');
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}
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printf("\n");
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offset += thisline;
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line += thisline;
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}
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}
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/*****************************************************************************/
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static int
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get_display_num_from_display(const char *display_text)
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@ -261,6 +307,8 @@ send_message(int code, char *data, int bytes)
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pthread_mutex_unlock(&g_mutex);
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return 1;
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}
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LLOGLN(10, ("send_message:"));
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LHEXDUMP(10, (data, bytes));
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pthread_mutex_unlock(&g_mutex);
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return 0;
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}
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@ -1084,6 +1132,7 @@ SCardTransmit(SCARDHANDLE hCard, const SCARD_IO_REQUEST *pioSendPci,
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offset += 4;
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LLOGLN(10, (" cbRecvLength %d", (int)*pcbRecvLength));
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memcpy(pbRecvBuffer, msg + offset, *pcbRecvLength);
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LHEXDUMP(10, (pbRecvBuffer, *pcbRecvLength));
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offset += *pcbRecvLength;
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status = GET_UINT32(msg, offset);
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free(msg);
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