fixed memory leaks

Joel Grunbaum

2020-10-18 c7a79fafa3fdaf3c6c33ad50f0a13f3890b2da08

fixed memory leaks

 dns.c

@@ -192,6 +192,7 @@
          } else if (ntohs(answers[i].resource.type) == T_CNAME) { //CNAME
               printf("has alias: %s", answers[i].rdata);
          }
          free(answers[i].name);
          free(answers[i].rdata);
          putc('\n', stdout);
     }
@@ -199,14 +200,31 @@
     //print authorities
     printf("Auth recs: %d\n", ntohs(dns->auth_count));
     for (i = 0; i < ntohs(dns->auth_count); i++) {
          printf("name: %s ", addit[i].name);
          if (ntohs(addit[i].resource.type) == 1) {
          printf("name: %s ", auth[i].name);
          if (ntohs(auth[i].resource.type) == 1) {
               long* p;
               p = (long*)auth[i].rdata;
               a.sin_addr.s_addr = *p;
               printf("has IPv4 address: %s", inet_ntoa(a.sin_addr));
          }
          free(answers[i].name);
          free(auth[i].rdata);
          putc('\n', stdout);
     }

     printf("Addit recs: %d\n", ntohs(dns->add_count));
     for (i = 0; i < ntohs(dns->add_count); i++) {
          printf("name; %s", addit[i].name);
          if (ntohs(auth[i].resource.type) == 1) {
               long* p;
               p = (long*)addit[i].rdata;
               a.sin_addr.s_addr = *p;
               printf("has IPv4 address: %s", inet_ntoa(a.sin_addr));
          } else {
               printf("has %s", addit[i].rdata);
          }
          free(auth[i].rdata);
          free(answers[i].name);
          free(addit[i].rdata);
          putc('\n', stdout);
     }
}