Sascha
From Guiliani
customextension_id_generator
/*
* Simple MD5 implementation * * Compile with: gcc -o md5 -O3 -lm md5.c */
- include <stdio.h>
- include <stdlib.h>
- include <string.h>
- include <stdint.h>
uint32_t crc32_for_byte(uint32_t r) {
for (int j = 0; j < 8; ++j) r = (r & 1 ? 0 : (uint32_t)0xEDB88320L) ^ r >> 1; return r ^ (uint32_t)0xFF000000L;
}
void crc32(const void *data, size_t n_bytes, uint32_t* crc) {
static uint32_t table[0x100]; if (!*table) for (size_t i = 0; i < 0x100; ++i) table[i] = crc32_for_byte(i); for (size_t i = 0; i < n_bytes; ++i) *crc = table[(uint8_t)*crc ^ ((uint8_t*)data)[i]] ^ *crc >> 8;
}
// leftrotate function definition
- define LEFTROTATE(x, c) (((x) << (c)) | ((x) >> (32 - (c))))
// These vars will contain the hash uint32_t h0, h1, h2, h3;
void md5(const char* initial_msg, size_t initial_len) {
// Message (to prepare) uint8_t *msg = NULL;
// Note: All variables are unsigned 32 bit and wrap modulo 2^32 when calculating
// r specifies the per-round shift amounts
uint32_t r[] = { 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21 };
// Use binary integer part of the sines of integers (in radians) as constants// Initialize variables: uint32_t k[] = { 0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee, 0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501, 0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be, 0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821, 0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa, 0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8, 0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed, 0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a, 0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c, 0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70, 0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x04881d05, 0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665, 0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039, 0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1, 0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1, 0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391 };
h0 = 0x67452301; h1 = 0xefcdab89; h2 = 0x98badcfe; h3 = 0x10325476;
// Pre-processing: adding a single 1 bit //append "1" bit to message /* Notice: the input bytes are considered as bits strings, where the first bit is the most significant bit of the byte.[37] */
// Pre-processing: padding with zeros //append "0" bit until message length in bit ? 448 (mod 512) //append length mod (2 pow 64) to message
int new_len; for (new_len = initial_len * 8 + 1; new_len % 512 != 448; new_len++); new_len /= 8;
msg = (uint8_t*)calloc(new_len + 64, 1); // also appends "0" bits // (we alloc also 64 extra bytes...) memcpy(msg, initial_msg, initial_len); msg[initial_len] = 128; // write the "1" bit
uint32_t bits_len = 8 * initial_len; // note, we append the len memcpy(msg + new_len, &bits_len, 4); // in bits at the end of the buffer
// Process the message in successive 512-bit chunks: //for each 512-bit chunk of message: int offset; for (offset = 0; offset < new_len; offset += (512 / 8)) {
// break chunk into sixteen 32-bit words w[j], 0 ? j ? 15 uint32_t *w = (uint32_t *)(msg + offset);
- ifdef DEBUG
printf("offset: %d %x\n", offset, offset);
int j; for (j = 0; j < 64; j++) printf("%x ", ((uint8_t *)w)[j]); puts("");
- endif
// Initialize hash value for this chunk: uint32_t a = h0; uint32_t b = h1; uint32_t c = h2; uint32_t d = h3;
// Main loop: uint32_t i; for (i = 0; i < 64; i++) {
- ifdef ROUNDS
uint8_t *p; printf("%i: ", i); p = (uint8_t *)&a; printf("%2.2x%2.2x%2.2x%2.2x ", p[0], p[1], p[2], p[3], a);
p = (uint8_t *)&b; printf("%2.2x%2.2x%2.2x%2.2x ", p[0], p[1], p[2], p[3], b);
p = (uint8_t *)&c; printf("%2.2x%2.2x%2.2x%2.2x ", p[0], p[1], p[2], p[3], c);
p = (uint8_t *)&d; printf("%2.2x%2.2x%2.2x%2.2x", p[0], p[1], p[2], p[3], d); puts("");
- endif
uint32_t f, g;
if (i < 16) { f = (b & c) | ((~b) & d); g = i; } else if (i < 32) { f = (d & b) | ((~d) & c); g = (5 * i + 1) % 16; } else if (i < 48) { f = b ^ c ^ d; g = (3 * i + 5) % 16; } else { f = c ^ (b | (~d)); g = (7 * i) % 16; }
- ifdef ROUNDS
printf("f=%x g=%d w[g]=%x\n", f, g, w[g]);
- endif
uint32_t temp = d; d = c; c = b; //printf("rotateLeft(%x + %x + %x + %x, %d)\n", a, f, k[i], w[g], r[i]); b = b + LEFTROTATE((a + f + k[i] + w[g]), r[i]); a = temp; }
// Add this chunk's hash to result so far:
h0 += a; h1 += b; h2 += c; h3 += d;
}
// cleanup free(msg);
}
void calc(const char* msg) {
size_t len = strlen(msg); md5(msg, len);
//var char digest[16] := h0 append h1 append h2 append h3 //(Output is in little-endian) uint8_t *p;
// display result unsigned char* buf = new unsigned char[16];
printf("string: %s\n", msg); printf("md5: ");
p = (uint8_t *)&h0; printf("%2.2x%2.2x%2.2x%2.2x", p[0], p[1], p[2], p[3], h0); buf[0] = p[0]; buf[1] = p[1]; buf[2] = p[2]; buf[3] = p[3];
p = (uint8_t *)&h1; printf("%2.2x%2.2x%2.2x%2.2x", p[0], p[1], p[2], p[3], h1); buf[4] = p[0]; buf[5] = p[1]; buf[6] = p[2]; buf[7] = p[3];
p = (uint8_t *)&h2; printf("%2.2x%2.2x%2.2x%2.2x", p[0], p[1], p[2], p[3], h2); buf[8] = p[0]; buf[9] = p[1]; buf[10] = p[2]; buf[11] = p[3];
p = (uint8_t *)&h3; printf("%2.2x%2.2x%2.2x%2.2x", p[0], p[1], p[2], p[3], h3); buf[12] = p[0]; buf[13] = p[1]; buf[14] = p[2]; buf[15] = p[3];
uint32_t calculated_crc; crc32(buf, 16, &calculated_crc);
printf(" crc: %08x\n", calculated_crc);
}
int main(int argc, char **argv) {
calc("TestControl1"); calc("TestControl2"); calc("TestControl3"); calc("TestControl4");
calc("TestCommand1"); calc("TestCommand2"); calc("TestCommand3"); calc("TestCommand4");
calc("TestCommandTest1"); calc("TestCommandTest2"); calc("TestCommandTest3"); calc("TestCommandTest4");
calc("CommandTest1"); calc("CommandTest2"); calc("CommandTest3"); calc("CommandTest4");
return 0;
}
TemplateContainer.cpp
- include "TemplateContainer.h"
- include "CustomExtensionFactory.h"
- ifdef GUILIANI_STREAM_GUI
- include "GUIStreamReader.h"
- endif
- ifdef GUILIANI_WRITE_GUI
- include "GUIStreamWriter.h"
- include "GUIControlResource.h"
- endif
- include "GUIFactoryManager.h"
- include "GUIResourceFileHandler.h"
- ifdef STREAMRUNTIME_APPLICATION
- include "GUIStreamReaderXML.h"
- endif
- include "GfxWrap.h"
- include "GUIMemLeakWatcher.h" // <-- has to be the last include
- define TEMPLATECONTAINER_VERSION 1
static const eC_Int TEMPLATECONTAINER = 10001;
eC_Bool TemplateContainer::ms_bInitialized = GETEXTENSIONSFACTORY->RegisterControl(ControlDescriptor(TEMPLATECONTAINER, "TemplateContainer", TemplateContainer::Create));
TemplateContainer::TemplateContainer(
CGUICompositeObject *const pParent, const eC_Value &vX, const eC_Value &vY, const eC_Value &vWidth, const eC_Value &vHeight, const ObjectHandle_t &eID) : CGUICompositeObject(pParent, vX, vY, vWidth, vHeight, eID)
{
Init();
}
TemplateContainer::TemplateContainer() :
CGUICompositeObject()
{
Init();
}
void TemplateContainer::Init() {
SetXMLTag("TemplateContainer");
m_pkContainer = NULL;
- ifdef STREAMRUNTIME_APPLICATION
CGUIStreamReaderXML kReader; try { CGUIObject* pkObject = GETFACTORY.LoadDialogFromFile("Template"); if ( (NULL != pkObject) && (pkObject->IsCompositeObject()) ) { m_pkContainer = dynamic_cast<CGUICompositeObject*>(pkObject); if (NULL != m_pkContainer) m_pkContainer->SetParent(this); } } catch (...) { }
- else
// different behaviour when in GSE CGUIStreamReaderXML kReader;
- endif
}
eC_Bool TemplateContainer::DoDraw() {
if (NULL != m_pkContainer) { m_pkContainer->DoDraw(); } else { GETGFX.SetForegroundColor(0xff44ff11); GETGFX.FilledRect(GetAbsRect());
GETGFX.SetForegroundColor(0xffff66aa); GETGFX.SetLineWidth(eC_FromInt(2)); GETGFX.Line(GetAbsRect()); GETGFX.Line(CGUIRect(GetAbsXPosREdge(), GetAbsYPos(), GetAbsXPos(), GetAbsYPosBEdge())); } return true;
}
- if defined(GUILIANI_STREAM_GUI)
void TemplateContainer::ReadFromStream() {
const eC_UInt cuiVersion = ReadStreamingHeader( TEMPLATECONTAINER_VERSION);
// always stream attributes of base-class first to retain order in attribute-view! CGUIObject::ReadFromStream();
switch (cuiVersion) { case 1: // ************************************************************ // NOTE: Insert custom attribute read calls here. // ************************************************************ break; default: break; }
}
- endif
- if defined(GUILIANI_WRITE_GUI)
void TemplateContainer::WriteToStream(const eC_Bool bWriteClassID) {
WriteStreamingHeader( bWriteClassID, XMLTAG_CONTROLCLASSID, TEMPLATECONTAINER, TEMPLATECONTAINER_VERSION);
// always stream attributes of base-class first to retain order in attribute-view! CGUIObject::WriteToStream();
// ************************************************************ // NOTE: Insert custom attribute write calls here. // ************************************************************
WriteStreamingFooter( bWriteClassID );
}
- endif
TemplateContainer.h
- if !defined(TEMPLATECONTAINER_H)
- define TEMPLATECONTAINER_H
- include "GUICompositeObject.h"
class TemplateContainer : public CGUICompositeObject { public:
TemplateContainer( CGUICompositeObject *const pParent, const eC_Value &vX, const eC_Value &vY, const eC_Value &vWidth, const eC_Value &vHeight, const ObjectHandle_t &eID = NO_HANDLE);
TemplateContainer();
// method used by the factory to create new instance static CGUIObject* Create() { return new TemplateContainer(); }
- if defined(GUILIANI_STREAM_GUI)
/** Reads all attributes from streaming file. This method is called by CGUIFactoryManager after one of the registered factories has created an instance of this class. */ virtual void ReadFromStream();
- endif
- if defined(GUILIANI_WRITE_GUI)
/** Writes all attributes to the streaming file. A CGUIStreamWriter has to be initialized first. @param bWriteClassID This flag is used to select if writing of control class ID, leading and trailing tags is performed. */ virtual void WriteToStream(const eC_Bool bWriteClassID = false);
- endif
virtual eC_Bool DoDraw();
void Init();
private:
static eC_Bool ms_bInitialized;
CGUICompositeObject* m_pkContainer;
};
- endif // TEMPLATECONTAINER_H