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dns: add svcparam iana enum constants

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This commit is contained in:
Ronan Pigott
2024-01-16 10:49:26 -07:00
parent 81a183800f
commit ee9581e5e9
2 changed files with 40 additions and 0 deletions
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src/resolve/resolved-dns-packet.c
+21
View File
@@ -2776,6 +2776,27 @@ const char *format_dns_ede_rcode(int i, char buf[static DECIMAL_STR_MAX(int)]) {
return snprintf_ok(buf, DECIMAL_STR_MAX(int), "%i", i);
}
static const char* const dns_svc_param_key_table[_DNS_SVC_PARAM_KEY_MAX_DEFINED] = {
[DNS_SVC_PARAM_KEY_MANDATORY] = "mandatory",
[DNS_SVC_PARAM_KEY_ALPN] = "alpn",
[DNS_SVC_PARAM_KEY_NO_DEFAULT_ALPN] = "no-default-alpn",
[DNS_SVC_PARAM_KEY_PORT] = "port",
[DNS_SVC_PARAM_KEY_IPV4HINT] = "ipv4hint",
[DNS_SVC_PARAM_KEY_ECH] = "ech",
[DNS_SVC_PARAM_KEY_IPV6HINT] = "ipv6hint",
[DNS_SVC_PARAM_KEY_DOHPATH] = "dohpath",
[DNS_SVC_PARAM_KEY_OHTTP] = "ohttp",
};
DEFINE_STRING_TABLE_LOOKUP_TO_STRING(dns_svc_param_key, int);
const char *format_dns_svc_param_key(uint16_t i, char buf[static DECIMAL_STR_MAX(uint16_t)+3]) {
const char *p = dns_svc_param_key_to_string(i);
if (p)
return p;
return snprintf_ok(buf, DECIMAL_STR_MAX(uint16_t)+3, "key%i", i);
}
static const char* const dns_protocol_table[_DNS_PROTOCOL_MAX] = {
[DNS_PROTOCOL_DNS] = "dns",
[DNS_PROTOCOL_MDNS] = "mdns",
src/resolve/resolved-dns-packet.h
+19
View File
@@ -355,6 +355,25 @@ const char *format_dns_ede_rcode(int i, char buf[static DECIMAL_STR_MAX(int)]);
const char* dns_protocol_to_string(DnsProtocol p) _const_;
DnsProtocol dns_protocol_from_string(const char *s) _pure_;
/* https://www.iana.org/assignments/dns-svcb/dns-svcb.xhtml#dns-svcparamkeys */
enum {
DNS_SVC_PARAM_KEY_MANDATORY = 0, /* RFC 9460 section 8 */
DNS_SVC_PARAM_KEY_ALPN = 1, /* RFC 9460 section 7.1 */
DNS_SVC_PARAM_KEY_NO_DEFAULT_ALPN = 2, /* RFC 9460 Section 7.1 */
DNS_SVC_PARAM_KEY_PORT = 3, /* RFC 9460 section 7.2 */
DNS_SVC_PARAM_KEY_IPV4HINT = 4, /* RFC 9460 section 7.3 */
DNS_SVC_PARAM_KEY_ECH = 5, /* RFC 9460 */
DNS_SVC_PARAM_KEY_IPV6HINT = 6, /* RFC 9460 section 7.3 */
DNS_SVC_PARAM_KEY_DOHPATH = 7, /* RFC 9461 */
DNS_SVC_PARAM_KEY_OHTTP = 8,
_DNS_SVC_PARAM_KEY_MAX_DEFINED,
DNS_SVC_PARAM_KEY_INVALID = 65535 /* RFC 9460 */
};
const char* dns_svc_param_key_to_string(int i) _const_;
const char *format_dns_svc_param_key(uint16_t i, char buf[static DECIMAL_STR_MAX(uint16_t)+3]);
#define FORMAT_DNS_SVC_PARAM_KEY(i) format_dns_svc_param_key(i, (char [DECIMAL_STR_MAX(uint16_t)+3]) {})
#define LLMNR_MULTICAST_IPV4_ADDRESS ((struct in_addr) { .s_addr = htobe32(224U << 24 | 252U) })
#define LLMNR_MULTICAST_IPV6_ADDRESS ((struct in6_addr) { .s6_addr = { 0xFF, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x03 } })