From 79562d57a3db5907c9f957656645a6ed3a19d797 Mon Sep 17 00:00:00 2001
From: xethyrion <xethyrion@gmail.com>
Date: Thu, 17 Nov 2016 16:52:27 +0200
Subject: [PATCH] Add files via upload

---
 header.h  | 182 +++++++++++++++++++++++++++
 varint.c  |   8 ++
 varint.h  |  51 ++++++++
 vhutils.h | 365 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 606 insertions(+)
 create mode 100644 header.h
 create mode 100644 varint.c
 create mode 100644 varint.h
 create mode 100644 vhutils.h

diff --git a/header.h b/header.h
new file mode 100644
index 0000000..e20eb5b
--- /dev/null
+++ b/header.h
@@ -0,0 +1,182 @@
+#ifndef MULTICODEC_HEADER
+#define MULTICODEC_HEADER
+#include "vhutils.h"
+int header_from_string(char * dest,size_t destsize, char * src,size_t srcsize)
+{
+	char result[destsize+2];
+	bzero(result,destsize+2);
+	strcpy(result, Int_To_Hex(srcsize-1));
+	printf("SZ: %s\n",result);
+	char srchex[((srcsize-1)*2)+1];
+	str2hex(srchex,src);
+	strcat(result,srchex);
+	strcpy(dest,result);
+	return 1;
+		char A[] = "/lol/meow";
+	char B[((sizeof(A)-1)*2)+3];
+	bzero(B,sizeof(B));
+	header(B,sizeof(B),A,sizeof(A));
+	printf("Result: %s\n", B);
+}
+/*///Header - Usage Example:
+ * unsigned char str[] = "/lol/meow/";
+ * unsigned char strhex[((strlen(str)-1)*2)+1];
+ * str2hex(strhex,str);
+ * unsigned char header_result[sizeof(strhex+2)]; // Extra 2 for size
+ * bzero(header_result, sizeof(header_result));
+ * header(header_result, strhex);
+ * printf("header - Result: %s\n", header_result);
+ * unsigned char header_path_result[strlen(header_result)-2];
+*/
+int header(unsigned char * dest, unsigned char * src)
+{
+	if(!src)
+	{
+		return 0;
+	}
+	char size[3];
+	bzero(size,3);
+	strcpy(size, Int_To_Hex((strlen(src)/2)-1));
+	strcat(dest, size);
+	strcat(dest, src);
+	return 1;
+}
+/*
+ * 	//Header_Path - Usage Example
+ * 	header_path(header_path_result,header_result);
+ * 	printf("header_path - Result: %s\n",header_path_result);
+ */
+int header_path(unsigned char * dest, unsigned char * src)
+{
+	if(!src)
+	{
+		return 0;
+	}
+	sprintf(dest,"%s",src+2);
+	return 1;
+}
+/*
+ * 	//Add Header - Usage Example:
+ * 	char continut[] = "1234";
+ * 	char continuthex[((sizeof(continut)-1)*2)+1];
+ * 	bzero(continuthex, sizeof(continuthex));
+ * 	str2hex(continuthex, continut);
+ * 	char cap[] = "/lol/";
+ * 	char caphex[((sizeof(cap)-1)*2)+1];
+ * 	bzero(caphex,sizeof(caphex));
+ * 	str2hex(caphex,cap);
+ * 	//printf("caphex = %s\n", caphex);
+ * 	//printf("conhex = %s\n", continuthex);
+ * 	char add_hdr_dest[sizeof(continuthex)-1+sizeof(caphex)-1+3];
+ * 	bzero(add_hdr_dest, sizeof(add_hdr_dest));
+ * 	add_header(add_hdr_dest, caphex,sizeof(caphex), continuthex, sizeof(continuthex));
+ * 	printf("add_header - Result: %s\n",add_hdr_dest);
+ */
+int add_header(unsigned char * dest,unsigned char * header,size_t headersize, unsigned char * content, size_t contentsize)
+{
+	if(!header||!content)
+	{
+		return 0;
+	}
+	int realsize = (headersize-1+contentsize-1)/2;
+	char szhex[3];
+	bzero(szhex,3);
+	strcat(szhex, Int_To_Hex(realsize));
+	strcat(dest, szhex);
+	strcat(dest, header);
+	strcat(dest, content);
+	return 1;
+}
+/*//Remove Header - Usage Example:
+ *  char remove_hdr_dst[1000]; //Much bigger than needed tbh..
+ *  bzero(remove_hdr_dst,1000);
+ *  remove_header(remove_hdr_dst, add_hdr_dest);
+ *  printf("remove_header - Result: %s\n",remove_hdr_dst);
+ */
+int remove_header(unsigned char * dest, unsigned char * lel)
+{
+	if(!lel)
+	{
+		return 0;
+	}
+	int init = 0;
+	char s[(strlen(lel)/2)+1];
+	int sizs = strlen(lel)/2+1;
+	hex2str(lel, s, sizs);
+	sprintf(s,"%s", s+1);
+	char * pch;
+	char * end;
+	pch = strtok_r(s,"/",&end);
+	int pos = 0;
+	while(pch)
+	{
+		//printf("PCH: %s\n", pch);
+		if(pos==1)
+		{
+			str2hex(dest, pch);
+		}
+		//sprintf(dest,"%s",pch);
+		pch = strtok_r(NULL,"/",&end);
+		pos=1;
+	}
+	return 1;
+}
+/* 	//getHeader
+ *  char geth_dest[1000];
+ *  bzero(geth_dest,1000);
+ *  get_header(geth_dest, add_hdr_dest);
+ *  printf("get_header - Result: %s\n", geth_dest);
+ */
+int get_header(char * dest, unsigned char * src)
+{
+	if(!src)
+	{
+		return 0;
+	}
+	char ascii[strlen(src)/2];
+	hex2str(src, ascii,strlen(src)/2);
+	sprintf(ascii, "%s",ascii+1);
+	char * pch;
+	char * end;
+	pch = strtok_r(ascii,"/",&end);
+	while(pch)
+	{
+		strcat(dest,pch);
+		break;
+	}
+	return 1;
+}
+/*
+ *  //getcontent
+ *  char getc_dest[1000];
+ *  bzero(getc_dest,1000);
+ *  get_content(getc_dest, add_hdr_dest);
+ *  printf("get_content - Result: %s\n", getc_dest);
+ */
+int get_content(char * dest, unsigned char * src)
+{
+	if(!src)
+	{
+		return 0;
+	}
+	char ascii[strlen(src)/2];
+	hex2str(src, ascii,strlen(src)/2);
+	sprintf(ascii, "%s",ascii+1);
+	char * pch;
+	char * end;
+	int ax = 0;
+	pch = strtok_r(ascii,"/",&end);
+	while(pch)
+	{
+		//printf("PCH: %s", pch);
+		if(ax == 1)
+		{
+			strcat(dest,pch);
+			break;
+		}
+		ax=1;
+		pch = strtok_r(NULL,"/",&end);
+	}
+	return 1;
+}
+#endif
diff --git a/varint.c b/varint.c
new file mode 100644
index 0000000..a8fd1cc
--- /dev/null
+++ b/varint.c
@@ -0,0 +1,8 @@
+#include "varint.h"
+
+
+DEFN_ENCODER(32)
+DEFN_DECODER(32)
+
+DEFN_ENCODER(64)
+DEFN_DECODER(64)
\ No newline at end of file
diff --git a/varint.h b/varint.h
new file mode 100644
index 0000000..69616cc
--- /dev/null
+++ b/varint.h
@@ -0,0 +1,51 @@
+#ifndef VARINT
+#define VARINT
+#include <stddef.h>  /* size_t */
+#include <stdint.h>  /* uint8_t, uint64_t */
+
+
+#define DEFN_ENCODER(SIZE) \
+  size_t \
+  uvarint_encode##SIZE (uint##SIZE##_t val, uint8_t buf[], size_t bufsize) \
+  { \
+    size_t i = 0; \
+    for (; i < (SIZE/8) && i < bufsize; i++) { \
+      buf[i] = (uint8_t) ((val & 0xFF) | 0x80); \
+      val >>= 7; \
+      if (!val) \
+        return i + 1; \
+    } \
+    return -1; \
+  }
+
+
+#define DEFN_DECODER(SIZE) \
+  size_t \
+  uvarint_decode##SIZE (uint8_t buf[], size_t bufsize, uint##SIZE##_t *val) \
+  { \
+    *val = 0; \
+    size_t i = 0; \
+    for (; i < (SIZE/8) && i < bufsize; i++) { \
+      *val |= ((buf[i] & 0x7f) << (7 * i)); \
+      if (!(buf[i] & 0x80)) \
+        return i + 1; \
+    } \
+    return -1; \
+  }
+
+
+#define DECL_ENCODER(SIZE) \
+  size_t \
+  uvarint_encode##SIZE (uint##SIZE##_t val, uint8_t buf[], size_t bufsize);
+
+#define DECL_DECODER(SIZE) \
+  size_t \
+  uvarint_decode##SIZE (uint8_t buf[], size_t bufsize, uint##SIZE##_t *val);
+
+
+DECL_ENCODER(32)
+DECL_DECODER(32)
+
+DECL_ENCODER(64)
+DECL_DECODER(64)
+#endif
\ No newline at end of file
diff --git a/vhutils.h b/vhutils.h
new file mode 100644
index 0000000..ae1f4a4
--- /dev/null
+++ b/vhutils.h
@@ -0,0 +1,365 @@
+#ifndef VARHEXUTILS
+#define VARHEXUTILS
+
+#include <stdio.h>
+#include <inttypes.h>
+#include "varint.h"
+#include <stdlib.h>
+#include <string.h>
+#include "endian.h"
+void hex2str(const char * h, char * s, int sizs)
+{
+    static char hex[] = "0123456789ABCDEF";
+    int i   = 0;
+    int len = strlen(h)/2;
+    if (len > sizs)
+        len = sizs;
+    for (i = 0; i < len; ++i)
+
+    {
+       char* p = strchr(hex, *(h+2*i));
+       if (p != NULL)
+       {
+           s[i] = (char)(unsigned char)((p-hex)<<4);
+           p = strchr(hex, *(h+2*i+1));
+           if (p != NULL)
+           {
+              s[i] |= (char)(p-hex);
+           }
+           else
+              s[i] = '?';
+       }
+       else
+          s[i] = '?';
+    }
+    if (i < sizs * 2)
+        *(s+i)='\0';
+}
+void str2hex(unsigned char* hexstring, unsigned char* string)
+{
+       unsigned char ch,i,j,len;
+
+       len = strlen(string);
+
+       for(i=0,j=0;i<len;i++,j+=2)
+       {
+            ch = string[i];
+
+            if( ch >= 0 && ch <= 0x0F)
+            {
+                hexstring[j] = 0x30;
+
+                if(ch >= 0 && ch <= 9)
+                    hexstring[j+1] = 0x30 + ch;
+                else
+                    hexstring[j+1] = 0x37 + ch;
+            }
+            else  if( ch >= 0x10 && ch <= 0x1F)
+            {
+                hexstring[j] = 0x31;
+                ch -= 0x10;
+
+                if(ch >= 0 && ch <= 9)
+                    hexstring[j+1] = 0x30 + ch;
+                else
+                    hexstring[j+1] = 0x37 + ch;
+            }
+            else  if( ch >= 0x20 && ch <= 0x2F)
+            {
+                hexstring[j] = 0x32;
+                ch -= 0x20;
+
+                if(ch >= 0 && ch <= 9)
+                    hexstring[j+1] = 0x30 + ch;
+                else
+                    hexstring[j+1] = 0x37 + ch;
+            }
+            else  if( ch >= 0x30 && ch <= 0x3F)
+            {
+                hexstring[j] = 0x33;
+                ch -= 0x30;
+
+                if(ch >= 0 && ch <= 9)
+                    hexstring[j+1] = 0x30 + ch;
+                else
+                    hexstring[j+1] = 0x37 + ch;
+            }
+            else  if( ch >= 0x40 && ch <= 0x4F)
+            {
+                hexstring[j] = 0x34;
+                ch -= 0x40;
+
+                if(ch >= 0 && ch <= 9)
+                    hexstring[j+1] = 0x30 + ch;
+                else
+                    hexstring[j+1] = 0x37 + ch;
+            }
+            else  if( ch >= 0x50 && ch <= 0x5F)
+            {
+                hexstring[j] = 0x35;
+                ch -= 0x50;
+
+                if(ch >= 0 && ch <= 9)
+                    hexstring[j+1] = 0x30 + ch;
+                else
+                    hexstring[j+1] = 0x37 + ch;
+            }
+            else  if( ch >= 0x60 && ch <= 0x6F)
+            {
+                hexstring[j] = 0x36;
+                ch -= 0x60;
+
+                if(ch >= 0 && ch <= 9)
+                    hexstring[j+1] = 0x30 + ch;
+                else
+                    hexstring[j+1] = 0x37 + ch;
+            }
+            else  if( ch >= 0x70 && ch <= 0x7F)
+            {
+                hexstring[j] = 0x37;
+                ch -= 0x70;
+
+                if(ch >= 0 && ch <= 9)
+                    hexstring[j+1] = 0x30 + ch;
+                else
+                    hexstring[j+1] = 0x37 + ch;
+            }
+       }
+       hexstring[j] = 0x00;
+}
+int8_t Var_Bytes_Count(uint8_t * countbytesofthis)
+{
+	static int8_t xrzk_bytescnt = 0;
+	for(int8_t i=0; i<10; i++)
+	{
+		if(countbytesofthis[i] != 0)
+		{
+			xrzk_bytescnt++;
+		}
+	}
+	return xrzk_bytescnt;
+}
+uint8_t * Num_To_Varint_64(uint64_t TOV64INPUT) //UINT64_T TO VARINT
+{
+	static uint8_t buffy_001[60] = {0};
+	uvarint_encode64(TOV64INPUT, buffy_001, 60);
+	return buffy_001;
+}
+uint8_t * Num_To_Varint_32(uint32_t TOV32INPUT) // UINT32_T TO VARINT
+{
+	static uint8_t buffy_032[60] = {0};
+	uvarint_encode32(TOV32INPUT, buffy_032, 60);
+	return buffy_032;
+}
+uint64_t * Varint_To_Num_64(uint8_t TON64INPUT[60]) //VARINT TO UINT64_t
+{
+	static uint64_t varintdecode_001 = 0;
+	uvarint_decode64(TON64INPUT, 60, &varintdecode_001);
+	return &varintdecode_001;
+}
+uint32_t * Varint_To_Num_32(uint8_t TON32INPUT[60]) //VARINT TO UINT32_t
+{
+	static uint32_t varintdecode_032 = 0;
+	uvarint_decode32(TON32INPUT, 60, &varintdecode_032);
+	return &varintdecode_032;
+}
+//
+char * Int_To_Hex(uint64_t int2hex) //VAR[binformat] TO HEX
+{
+	static char int2hex_result[800]="\0";
+	memset(int2hex_result,0,sizeof(int2hex_result));
+	sprintf (int2hex_result, "%02lX", int2hex);
+	return int2hex_result;
+}
+uint64_t Hex_To_Int(char * hax) 
+{	
+	char * hex = NULL;
+	hex=hax;
+    uint64_t val = 0;
+    while (*hex) 
+	{
+		// get current character then increment
+        uint8_t byte = *hex++;
+		// transform hex character to the 4bit equivalent number, using the ascii table indexes
+		if (byte >= '0' && byte <= '9') byte = byte - '0';
+		else if (byte >= 'a' && byte <='f') byte = byte - 'a' + 10;
+		else if (byte >= 'A' && byte <='F') byte = byte - 'A' + 10;    
+		// shift 4 to make space for new digit, and add the 4 bits of the new digit 
+		val = (val << 4) | (byte & 0xF);
+	}
+	return val;
+}
+//
+void vthconvert(int size, char * crrz01, uint8_t * xbuf)
+{
+	uint8_t buf[400];
+	bzero(buf,400);
+	
+	//fixing the buf
+	for(int cz=0; cz<size;cz++)
+	{
+		buf[cz] = xbuf[cz];
+	}
+	//
+	if(crrz01!=NULL)
+	{
+		char * crrz1 = NULL;
+		crrz1 = crrz01;
+		char conv_proc[800]="\0";
+		int i;
+		for(i=0; i < (size*2); i++)
+		{
+			if(buf[i]!='\0')
+			{
+				sprintf (conv_proc, "%02X", buf[i]);
+				//printf("%d:%d\n",i, buf[i]);
+				strcat(crrz1, conv_proc);
+			}
+		}
+		crrz1 = NULL;
+	}
+}
+char * Var_To_Hex(int realsize, uint8_t * TOHEXINPUT) //VAR[binformat] TO HEX
+{
+	for(int ix=realsize;ix<400;ix++)
+	{
+		TOHEXINPUT[ix] = '\0';
+	}
+	if(TOHEXINPUT != NULL)
+	{
+		static char convert_resultz1[800]="\0";
+		bzero(convert_resultz1,800);
+		vthconvert(realsize, convert_resultz1, TOHEXINPUT);
+		return convert_resultz1;
+	}
+}
+uint8_t * Hex_To_Var(char * Hexstr) //HEX TO VAR[BINFORMAT]
+{
+	static uint8_t buffy_HEX[400] = {0};
+	bzero(buffy_HEX,400);
+	int i;
+	char codo[800] = "\0";
+	bzero(codo,800);
+	strcpy(codo, Hexstr);
+	char code[3];
+	bzero(code,3);
+	code[3]='\0';
+	int x = 0;
+	int fori001=0;
+	for(fori001=0;fori001<800;fori001++)
+	{
+		strncpy(&code[0],&codo[fori001],1);
+		strncpy(&code[1],&codo[fori001+1],1);
+    	char *ck = NULL;
+    	uint64_t lu = 0;
+    	lu=strtoul(code, &ck, 16);
+		buffy_HEX[x] = lu;
+		//printf("%s - %lu\n",code,lu);
+		fori001++;
+		x++;
+	}
+	return buffy_HEX;
+}
+//
+void convert(char * convert_result, uint8_t * buf)					//Both of them read them properly.
+{
+	char conv_proc[800]="\0";
+	bzero(conv_proc,800);
+	int i;
+	for(i=0; i < 10; i++)
+	{
+		sprintf (conv_proc, "%02X", buf[i]);
+		//printf("%d:%d\n",i, buf[i]);
+		strcat(convert_result, conv_proc);
+	}
+}
+char * Num_To_HexVar_64(uint64_t TOHVINPUT) //UINT64 TO HEXIFIED VAR 
+{											//Code to varint - py
+	static char convert_result[800]="\0";//Note that the hex resulted from this will differ from py
+	bzero(convert_result,800);
+	memset(convert_result,0,sizeof(convert_result));//But if you make sure the string is always 20 chars in size
+	uint8_t buf[400] = {0};
+	bzero(buf,400);
+	uvarint_encode64(TOHVINPUT, buf, 800);
+	convert(convert_result,buf);
+	return convert_result;
+}
+void convert2(char * convert_result2, uint8_t * bufhx)
+{
+	uint8_t * buf = NULL;
+	buf = bufhx;
+	char conv_proc[3]="\0";
+	conv_proc[3] = '\0';
+	bzero(conv_proc, 3);
+	int i;
+	for(i=0; i == 0; i++)
+	{
+		sprintf (conv_proc, "%02X", buf[i]);
+		//printf("aaaaaaaaaaah%d:%d\n",i, buf[i]);
+		strcat(convert_result2, conv_proc);
+	}
+	buf = NULL;
+}
+char * Num_To_HexVar_32(uint32_t TOHVINPUT) //UINT32 TO HEXIFIED VAR
+{											//Code to varint - py
+	static char convert_result2[3]="\0";
+	bzero(convert_result2,3);
+	convert_result2[2] = '\0';
+	memset(convert_result2,0,sizeof(convert_result2));
+	uint8_t buf[1] = {0};
+	bzero(buf,1);
+	uvarint_encode32(TOHVINPUT, buf, 1);
+	convert2(convert_result2,buf);
+	return convert_result2;
+}
+
+uint64_t HexVar_To_Num_64(char * theHEXstring) //HEXIFIED VAR TO UINT64_T
+{											   //Varint to code - py
+	uint8_t buffy[400] = {0};
+	char codo[800] = "\0";
+	bzero(codo,800);
+	strcpy(codo, theHEXstring);
+	char code[3] = "\0";
+	int x = 0;
+	for(int i= 0;i<399;i++)
+	{
+		strncpy(&code[0],&codo[i],1);
+		strncpy(&code[1],&codo[i+1],1);
+    	char *ck = NULL;
+    	uint64_t lu = 0;
+    	lu=strtoul(code, &ck, 16);
+		buffy[x] = lu;
+		i++;
+		x++;
+	}
+	static uint64_t decoded;
+	uvarint_decode64 (buffy, 400, &decoded);
+	return decoded;
+}
+uint32_t HexVar_To_Num_32(char theHEXstring[]) //HEXIFIED VAR TO UINT32_T
+{												//Varint to code py
+	uint8_t buffy[400] = {0};
+	bzero(buffy,400);
+	char codo[800] = "\0";
+	bzero(codo,800);
+	strcpy(codo, theHEXstring);
+	char code[3] = "\0";
+	bzero(code,3);
+	code[3] = '\0';
+	int x = 0;
+	for(int i= 0;i<399;i++)
+	{
+		strncpy(&code[0],&codo[i],1);
+		strncpy(&code[1],&codo[i+1],1);
+    	char *ck = NULL;
+    	uint32_t lu = {0};
+    	lu=strtoul(code, &ck, 16);
+		buffy[x] = lu;
+		i++;
+		x++;
+	}
+	static uint32_t decoded;
+	uvarint_decode32 (buffy, 10, &decoded);
+	return decoded;
+}
+#endif