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DNS: support parser TYPE65 RR.

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This commit is contained in:
Nick Peng
2022-12-03 14:28:45 +08:00
parent 410047822d
commit dad31179d2
3 changed files with 516 additions and 5 deletions
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56
src/util.c
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@@ -1373,6 +1373,62 @@ static int _dns_debug_display(struct dns_packet *packet)
inet_ntop(AF_INET6, addr, req_host, sizeof(req_host));
printf("domain: %s AAAA: %s TTL:%d\n", name, req_host, ttl);
} break;
case DNS_T_HTTPS: {
char name[DNS_MAX_CNAME_LEN] = {0};
char target[DNS_MAX_CNAME_LEN] = {0};
struct dns_https_param *p = NULL;
int priority = 0;
p = dns_get_HTTPS_svcparm_start(rrs, name, DNS_MAX_CNAME_LEN, &ttl, &priority, target,
DNS_MAX_CNAME_LEN);
if (p == NULL) {
printf("get HTTPS svcparm failed\n");
break;
}
printf("domain: %s HTTPS: %s TTL: %d priority: %d\n", name, target, ttl, priority);
for (; p; p = dns_get_HTTPS_svcparm_next(rrs, p)) {
switch (p->key) {
case DNS_HTTPS_T_MANDATORY: {
printf(" HTTPS: mandatory: %s\n", p->value);
} break;
case DNS_HTTPS_T_ALPN: {
printf(" HTTPS: alpn: %s\n", p->value);
} break;
case DNS_HTTPS_T_NO_DEFAULT_ALPN: {
printf(" HTTPS: no_default_alpn: %s\n", p->value);
} break;
case DNS_HTTPS_T_PORT: {
int port = *(unsigned short *)(p->value);
printf(" HTTPS: port: %d\n", port);
} break;
case DNS_HTTPS_T_IPV4HINT: {
printf(" HTTPS: ipv4hint: %d\n", p->len / 4);
for (int k = 0; k < p->len / 4; k++) {
char ip[16] = {0};
inet_ntop(AF_INET, p->value + k * 4, ip, sizeof(ip));
printf(" ipv4: %s\n", ip);
}
} break;
case DNS_HTTPS_T_ECH: {
printf(" HTTPS: ech: ");
for (int k = 0; k < p->len; k++) {
printf("%02x ", p->value[k]);
}
printf("\n");
} break;
case DNS_HTTPS_T_IPV6HINT: {
printf(" HTTPS: ipv6hint: %d\n", p->len / 16);
for (int k = 0; k < p->len / 16; k++) {
char ip[64] = {0};
inet_ntop(AF_INET6, p->value + k * 16, ip, sizeof(ip));
printf(" ipv6: %s\n", ip);
}
} break;
}
}
} break;
case DNS_T_NS: {
char cname[DNS_MAX_CNAME_LEN];
char name[DNS_MAX_CNAME_LEN] = {0};