dns records fetched and printing

Joel Grunbaum

2020-10-18 803d663003366f0899ffa274142c824a9f53d44d

dns records fetched and printing

 main.c

@@ -143,8 +143,8 @@
               answers[i].resource = (struct R_DATA*)reader;
               reader = reader+sizeof(struct R_DATA);

               if (ntohs(answers[i].resource->type) == 1) { //IPv6 address
                    answers[i].rdata[j] = (unsigned char*)malloc(ntohs(answers[i].resource->data_len));
               if (ntohs(answers[i].resource->type) == T_A) { //IPv4 address
                    answers[i].rdata = (unsigned char*)malloc(ntohs(answers[i].resource->data_len));
                    for (j = 0; j < ntohs(answers[i].resource->data_len); j++) {
                         answers[i].rdata[j] = reader[j];
                    }
@@ -190,7 +190,7 @@
          printf("ans recs: %d\n", ntohs(dns->ans_count));
          for (i = 0; i < ntohs(dns->ans_count); i++) {
               printf("name: %s ", answers[i].name);
               if (ntohs(answers[i].resource->type == T_A)) { //IPv4
               if (ntohs(answers[i].resource->type) == T_A) { //IPv4
                    long* p;
                    p = (long*)answers[i].rdata;
                    a.sin_addr.s_addr=(*p);
@@ -221,13 +221,15 @@
void change_to_DNS_name_format(unsigned char* dns, unsigned char* host)
{
     int lock = 0;
     strcat((char*)host,".");
     char h[300];
     strcpy(h, host);
     strcat((char*)h,".");

     for (int i = 0; i < strlen((char*)host); i++) {
          if (host[i] == '.') {
     for (int i = 0; i < strlen((char*)h); i++) {
          if (h[i] == '.') {
               *dns++ = i-lock;
               for (;lock<i;i++) {
                    *dns++ = host[lock];
               for (;lock<i;lock++) {
                    *dns++ = h[lock];
               }
               lock++;
          }
@@ -258,7 +260,7 @@
          }
     }
     name[p] = '\0';
     if (jumped == 0) {
     if (jumped == 1) {
          *count = *count + 1;
     }