fixed memory leaks

Joel Grunbaum

2020-10-18 c7a79fafa3fdaf3c6c33ad50f0a13f3890b2da08

 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);
    }
}