76 lines
No EOL
1.9 KiB
C
76 lines
No EOL
1.9 KiB
C
//
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// Készítette: Toldi Balázs Ádám
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// Dátum: 2019. 10. 11.
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//
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// Ebben a file-ban olyan függvényeket találunk, amelyeket sok helyen fel lehet használni vagy máshová nem illeszkedne
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//
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#include "utility.h"
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char* generateSeed(int len){
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static const char base58[] = "123456789"
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"ABCDEFGHJKLMNPQRSTUVWXYZ"
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"abcdefghijkmnopqrstuvwxyz";
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srand(time(0));
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char *result = malloc(sizeof(char) * len+1);
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for(int i = 0;i<len;i++){
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result[i] = base58[rand() % 58];
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}
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result[len] = '\0';
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return result;
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}
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map* getHandshakeData(char* text,int* len){
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if (text[0] == '@')
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memmove(text, text+1, strlen(text));
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int count = 0;
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for(int i = 0;text[i] != '\0';++i){
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if(text[i] == '&')
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count++;
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}
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*len = count+1;
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map * m = (map*) malloc(sizeof(map)*(*len));
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int i =0;
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const char c[2] = "&";
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char *tmp;
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tmp = strtok (text,c);
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while (tmp != NULL && i <count+1)
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{
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char key[50];
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char value[50];
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sscanf(tmp,"%[^=]=%s",key,value);
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strcpy(m[i].key,key);
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strcpy(m[i].value,value);
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++i;
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tmp = strtok (NULL, "&");
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}
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return m;
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}
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bool map_isFound(map map[],int len, char* key){
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for (int i = 0; i < len; ++i) {
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if(strcmp(map[i].key,key) == 0)
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return true;
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}
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return false;
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}
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char* map_getValue(map m[],int len, char* key){
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for (int i = 0; i < len; ++i) {
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if(strcmp(m[i].key,key) == 0)
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return m[i].value;
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}
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return "UNDEFINED";
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}
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void md5(char *string, char outputBuffer[33]){
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unsigned char hash[MD5_DIGEST_LENGTH];
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MD5_CTX sha256;
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MD5_Init(&sha256);
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MD5_Update(&sha256, string, strlen(string));
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MD5_Final(hash, &sha256);
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int i = 0;
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for(i = 0; i < MD5_DIGEST_LENGTH; i++)
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{
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sprintf(outputBuffer + (i * 2), "%02x", hash[i]);
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}
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outputBuffer[64] = 0;
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} |