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xethyrion 2016-10-30 11:17:01 +02:00 committed by GitHub
parent 2cc0a0b4c6
commit cc545f880b
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234
protocols.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include "varhexutils.h"
int CNT_PROTOCOLNUM=0;
struct protocol
{
char hexcode[21];
int deccode;
int size;
char name[30];
};
struct protocol *protocol_P; //Pointer for holding multiple structures
int protocol_REMOVE_id(int remid)//Function to remove & shift back all data, sort of like c++ vectors.
{
if(remid < CNT_PROTOCOLNUM && remid >= 0) //Checking to see if remid actually exists.
{
for(int i=remid; i<CNT_PROTOCOLNUM; i++) //While i < num of registered protocols
{
strcpy((protocol_P+i)->hexcode, (protocol_P+i+1)->hexcode); //shift memory to the user we want to remove.
(protocol_P+i)->deccode = (protocol_P+i+1)->deccode; //Same as above
(protocol_P+i)->size = (protocol_P+i+1)->size; //Same as above
strcpy((protocol_P+i)->name, (protocol_P+i+1)->name); //Same as above
}//Overwriting user done. Time to get rid of that extra memory.
protocol_P = (struct protocol*) realloc(protocol_P, (CNT_PROTOCOLNUM-1) * sizeof(struct protocol));
//Memory erased,
CNT_PROTOCOLNUM--; //Since the record no longer exists, we should decrease the ammount of users.
return 1; //Purely for error checking, in case someone ever wants it/
} //1 = Success
else
{
printf("ERROR");
return 0;//0 = Failure.
}
}
void load_protocols()
{
FILE *FPROC_POINT; //File pointer.
FPROC_POINT = fopen("proto-dat", "r");//Opening proto-dat Or protocols.csv, I just formatted it to my liking.
if(FPROC_POINT != NULL) //While pointer is not null.
{
char W_BUFF[20] = "\0";//Char array to parse file.
for(int i=0; fscanf(FPROC_POINT, "%s", W_BUFF) != EOF; i++) // Scanning file and incrementing for processing.
{
switch(i)
{
case 0: //First word - HEXCODE
{
//ADD MEMORY FOR NEW ROWS
if(CNT_PROTOCOLNUM==0) //If there are no registered protocols yet, allocate memory to pointer.
{
protocol_P = (struct protocol*) malloc (sizeof(struct protocol));
}
else //Reallocate memory to fit one more protocol
{
protocol_P = (struct protocol*) realloc(protocol_P, (CNT_PROTOCOLNUM+1) * sizeof(struct protocol));
}
strcpy((protocol_P+CNT_PROTOCOLNUM)->hexcode, W_BUFF); //Copy word to structure at hexcode A hexcode is a string so we keep it as such
break;
}
case 1://Second word - DECCODE
{
(protocol_P+CNT_PROTOCOLNUM)->deccode= atoi(W_BUFF); //Copy word to structure at deccode after converting it to int.
break;
}
case 2://Third word - SIZE
{
(protocol_P+CNT_PROTOCOLNUM)->size= atoi(W_BUFF); //Copy word to structure at size after converting it to int.
break;
}
case 3://Fourth word - NAME
{
strcpy((protocol_P+CNT_PROTOCOLNUM)->name, W_BUFF); //Copy word to structure at name // String
i=-1;
CNT_PROTOCOLNUM++;
break;
}
default:
{
printf("HOUSTON WE HAVE A PROBLEM!!!!\n");
break;
}
}
}
fclose(FPROC_POINT);
protocol_REMOVE_id(0);
}
else
{
perror("Fatal Error:");
}
}
struct protocol * proto_with_name(char proto_w_name[]) //Search for protocol with inputted name
{
for(int i=0; i<CNT_PROTOCOLNUM; i++)
{
if(strcmp(proto_w_name, (protocol_P+i)->name) == 0)
{
return (protocol_P+i);
}
}
}
struct protocol * proto_with_deccode(int proto_w_deccode) //Search for protocol with inputted deccode
{
for(int i=0; i<CNT_PROTOCOLNUM; i++)
{
if((protocol_P+i)->deccode == proto_w_deccode)
{
return (protocol_P+i);
}
}
}
void pp() //Purely for debugging purposes, prints the entire loaded protocols.
{
for(int i=0;i<CNT_PROTOCOLNUM;i++)
{
if(i>=9)
{printf("=========== ~%d~ ===========\n", i+1);}
else
{printf("=========== ~0%d~ ===========\n", i+1);}
printf(">> HEX-CODE: %s\n", (protocol_P+i)->hexcode);
printf(">> DEC-CODE: %d\n", (protocol_P+i)->deccode);
printf(">> SIZE: %d\n", (protocol_P+i)->size);
printf(">> NAME: %s\n", (protocol_P+i)->name);
}
printf("----------------------------\n");
printf("TOTAL PROTOCOLS: %d\n",CNT_PROTOCOLNUM);
}
void protocols_with_string(char * meee,int sizi) // NOT FINISHED, DO NOT USE!
{
int finalsize = 0;
if(!isalnum(meee[sizi-1]) && !isalnum(meee[sizi-1]))
{
//Everything is alright, it's nul terminated!;
finalsize = sizi;
}
else
{
//Well houston we have a problem.
finalsize = sizi+2;
}
char mestring[finalsize];
strcpy(mestring, meee);
if(sizi!=finalsize)
{
strcpy(mestring,"\0");
}
char * words[50] = { NULL };
int atword = 0;
int mem = 0;
for(int i=0; i<sizeof(mestring)-2; i++)
{
if(mestring[i] == '/')
{
printf("NEW WORD!\n");
atword++;
int currentsize = 0;
for(int j = i+1; mestring[j] != '/' && j < sizeof(mestring)-2; j++)
{
currentsize++;
}
char haay[20];
int lesbo = 0;
for(int x = i+1; x<sizeof(mestring)-2; x++)
{
if(mestring[x] == '/')
{
break;
}
haay[lesbo] = mestring[x];
lesbo++;
}
words[atword-1] = (char *) malloc(currentsize+2);
strcpy(words[atword-1], haay);
bzero(haay,20);
}
}
printf("Result:%s\n", words[0]);
for(int mm=0; mm < 50; mm++)
{
if(words[mm])
{
free(words[mm]);
}
}
}
int main() //This won't exist, it's here for my own testing purposes.
{
load_protocols();
pp();
printf("The returned protocol is: %s\nSIZE: %d\n", proto_with_name("onion")->name, proto_with_name("onion")->size);
printf("The returned protocol is: %s\nSIZE: %d\n", proto_with_deccode(444)->name, proto_with_deccode(444)->size);
for(int i=0; i<14; i++)
{
uint64_t extract = (protocol_P+i)->deccode;
char exhexco[20] = "\0";
strcpy(exhexco, Num_To_HexVar_64(extract));
uint64_t decimalval = HexVar_To_Num_64(exhexco);
if(i<9){printf("PROTOCOL 0%d HAS HEXCODE: %s DECIMAL: %"PRIu64" \n", i+1, exhexco, decimalval);}
else{printf("PROTOCOL %d HAS HEXCODE: %s DECIMAL: %"PRIu64" \n", i+1, exhexco, decimalval);};
}
free(protocol_P);
printf("1337 in Hexvar_64: %s\n", Num_To_HexVar_64(1337));
char HEXSTR[20] = "B90A0000000000000000"; //\0 since it's not defined in a source string
uint64_t result = HexVar_To_Num_64(HEXSTR);
result = HexVar_To_Num_64(HEXSTR);
printf("Hexvar_To_Num_64: %"PRIu64"\n", result);
uint8_t Numinvar[10] = {0};
memcpy(Numinvar, Num_To_Varint_64(1337), 10);
printf("Binary form unreadable obviously : %s\n", Numinvar);
uint64_t Varinnum = 0;
memcpy(&Varinnum, Varint_To_Num_64(Numinvar), sizeof(Varint_To_Num_64(Numinvar)));
printf("Number form now readable again:%"PRIu64"\n", Varinnum);
char converted2hex[20] = "\0";
strcpy(converted2hex, Var_To_Hex(Numinvar));
uint8_t converted2bin[10] = {0};
memcpy(converted2bin, Hex_To_Var(converted2hex), 10);
printf("Encoding previous binary to hex now: %s\n", converted2hex);
printf("Encoding previous hex to binary now: %s\n", converted2bin);
//Series of bytes test
int8_t bcounter = 0;
bcounter = Var_Bytes_Count(Numinvar);
printf("Bytes_Count of Numinvar(1337): %d\n", bcounter);
return 0;
}

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#ifndef VARHEXUTILS
#define VARHEXUTILS
#include <stdio.h>
#include <inttypes.h>
#include "varint.h"
#include <stdlib.h>
#include <string.h>
int8_t Var_Bytes_Count(uint8_t countbytesofthis[10])
{
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[10] = {0};
uvarint_encode64(TOV64INPUT, buffy_001, 10);
return buffy_001;
}
uint8_t * Num_To_Varint_32(uint32_t TOV32INPUT) // UINT32_T TO VARINT
{
static uint8_t buffy_032[10] = {0};
uvarint_encode32(TOV32INPUT, buffy_032, 10);
return buffy_032;
}
uint64_t * Varint_To_Num_64(uint8_t TON64INPUT[10]) //VARINT TO UINT64_t
{
static uint64_t varintdecode_001 = 0;
uvarint_decode64(TON64INPUT, 10, &varintdecode_001);
return &varintdecode_001;
}
uint32_t * Varint_To_Num_32(uint8_t TON32INPUT[10]) //VARINT TO UINT32_t
{
static uint32_t varintdecode_032 = 0;
uvarint_decode32(TON32INPUT, 10, &varintdecode_032);
return &varintdecode_032;
}
//
char * Var_To_Hex(uint8_t TOHEXINPUT[10]) //VAR[binformat] TO HEX
{
static char convert_resultz1[10]="\0";
memset(convert_resultz1,0,sizeof(convert_resultz1));
void convert(uint8_t buf[10])
{
char conv_proc[10]="\0";
for(int i=0; i < 10; i++)
{
sprintf (conv_proc, "%02X", buf[i]);
//printf("%d:%d\n",i, buf[i]);
strcat(convert_resultz1, conv_proc);
}
}
convert(TOHEXINPUT);
return convert_resultz1;
}
uint8_t * Hex_To_Var(char * Hexstr) //HEX TO VAR[BINFORMAT]
{
static uint8_t buffy_HEX[10] = {0};
char codo[20] = "\0";
strcpy(codo, Hexstr);
char code[3] = "\0";
int x = 0;
for(int i= 0;i<20;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_HEX[x] = lu;
i++;
x++;
}
return buffy_HEX;
}
//
char * Num_To_HexVar_64(uint64_t TOHVINPUT) //UINT64 TO HEXIFIED VAR
{ //Code to varint - py
static char convert_result[10]="\0";//Note that the hex resulted from this will differ from py
memset(convert_result,0,sizeof(convert_result));//But if you make sure the string is always 20 chars in size
void convert(uint8_t buf[10]) //Both of them read them properly.
{
char conv_proc[10]="\0";
int i=0;
for(; i < 10; i++)
{
sprintf (conv_proc, "%02X", buf[i]);
//printf("%d:%d\n",i, buf[i]);
strcat(convert_result, conv_proc);
}
}
uint8_t buf[10] = {0};
uvarint_encode64(TOHVINPUT, buf, 10);
convert(buf);
return convert_result;
}
char * Num_To_HexVar_32(uint32_t TOHVINPUT) //UINT32 TO HEXIFIED VAR
{ //Code to varint - py
static char convert_result2[10]="\0";
memset(convert_result2,0,sizeof(convert_result2));
void convert(uint8_t buf[10])
{
char conv_proc[10]="\0";
int i=0;
for(; i < 10; i++)
{
sprintf (conv_proc, "%02X", buf[i]);
printf("%d:%d\n",i, buf[i]);
strcat(convert_result2, conv_proc);
}
}
uint8_t buf[10] = {0};
uvarint_encode32(TOHVINPUT, buf, 10);
convert(buf);
return convert_result2;
}
uint64_t HexVar_To_Num_64(char * theHEXstring) //HEXIFIED VAR TO UINT64_T
{ //Varint to code - py
uint8_t buffy[10] = {0};
char codo[20] = "\0";
strcpy(codo, theHEXstring);
char code[3] = "\0";
int x = 0;
for(int i= 0;i<20;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, 10, &decoded);
return decoded;
}
uint32_t HexVar_To_Num_32(char theHEXstring[]) //HEXIFIED VAR TO UINT32_T
{ //Varint to code py
uint8_t buffy[10] = {0};
char codo[20] = "\0";
strcpy(codo, theHEXstring);
char code[2] = "\0";
int x = 0;
for(int i= 0;i<20;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

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#include "varint.h"
DEFN_ENCODER(32)
DEFN_DECODER(32)
DEFN_ENCODER(64)
DEFN_DECODER(64)

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#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