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dns: introduce more EDNS codes from IANA

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This commit is contained in:
Ronan Pigott
2024-01-03 17:25:07 -07:00
parent 9ef362bf3d
commit 056db7863e
2 changed files with 106 additions and 0 deletions
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src/resolve/resolved-dns-packet.c
+42
View File
@@ -2661,6 +2661,48 @@ const char *format_dns_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_ede_rcode_table[_DNS_EDE_RCODE_MAX_DEFINED] = {
[DNS_EDE_RCODE_OTHER] = "Other",
[DNS_EDE_RCODE_UNSUPPORTED_DNSKEY_ALG] = "Unsupported DNSKEY Algorithm",
[DNS_EDE_RCODE_UNSUPPORTED_DS_DIGEST] = "Unsupported DS Digest Type",
[DNS_EDE_RCODE_STALE_ANSWER] = "Stale Answer",
[DNS_EDE_RCODE_FORGED_ANSWER] = "Forged Answer",
[DNS_EDE_RCODE_DNSSEC_INDETERMINATE] = "DNSSEC Indeterminate",
[DNS_EDE_RCODE_DNSSEC_BOGUS] = "DNSSEC Bogus",
[DNS_EDE_RCODE_SIG_EXPIRED] = "Signature Expired",
[DNS_EDE_RCODE_SIG_NOT_YET_VALID] = "Signature Not Yet Valid",
[DNS_EDE_RCODE_DNSKEY_MISSING] = "DNSKEY Missing",
[DNS_EDE_RCODE_RRSIG_MISSING] = "RRSIG Missing",
[DNS_EDE_RCODE_NO_ZONE_KEY_BIT] = "No Zone Key Bit Set",
[DNS_EDE_RCODE_NSEC_MISSING] = "NSEC Missing",
[DNS_EDE_RCODE_CACHED_ERROR] = "Cached Error",
[DNS_EDE_RCODE_NOT_READY] = "Not Ready",
[DNS_EDE_RCODE_BLOCKED] = "Blocked",
[DNS_EDE_RCODE_CENSORED] = "Censored",
[DNS_EDE_RCODE_FILTERED] = "Filtered",
[DNS_EDE_RCODE_PROHIBITIED] = "Prohibited",
[DNS_EDE_RCODE_STALE_NXDOMAIN_ANSWER] = "Stale NXDOMAIN Answer",
[DNS_EDE_RCODE_NOT_AUTHORITATIVE] = "Not Authoritative",
[DNS_EDE_RCODE_NOT_SUPPORTED] = "Not Supported",
[DNS_EDE_RCODE_UNREACH_AUTHORITY] = "No Reachable Authority",
[DNS_EDE_RCODE_NET_ERROR] = "Network Error",
[DNS_EDE_RCODE_INVALID_DATA] = "Invalid Data",
[DNS_EDE_RCODE_SIG_NEVER] = "Signature Never Valid",
[DNS_EDE_RCODE_TOO_EARLY] = "Too Early",
[DNS_EDE_RCODE_UNSUPPORTED_NSEC3_ITER] = "Unsupported NSEC3 Iterations",
[DNS_EDE_RCODE_TRANSPORT_POLICY] = "Impossible Transport Policy",
[DNS_EDE_RCODE_SYNTHESIZED] = "Synthesized",
};
DEFINE_STRING_TABLE_LOOKUP(dns_ede_rcode, int);
const char *format_dns_ede_rcode(int i, char buf[static DECIMAL_STR_MAX(int)]) {
const char *p = dns_ede_rcode_to_string(i);
if (p)
return p;
return snprintf_ok(buf, DECIMAL_STR_MAX(int), "%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
+64
View File
@@ -281,11 +281,75 @@ enum {
_DNS_RCODE_MAX = 4095 /* 4 bit rcode in the header plus 8 bit rcode in OPT, makes 12 bit */
};
/* https://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml#dns-parameters-11 */
enum {
DNS_EDNS_OPT_RESERVED = 0, /* RFC 6891 */
DNS_EDNS_OPT_LLQ = 1, /* RFC 8764 */
DNS_EDNS_OPT_UL = 2,
DNS_EDNS_OPT_NSID = 3, /* RFC 5001 */
/* DNS_EDNS_OPT_RESERVED = 4 */
DNS_EDNS_OPT_DAU = 5, /* RFC 6975 */
DNS_EDNS_OPT_DHU = 6, /* RFC 6975 */
DNS_EDNS_OPT_N3U = 7, /* RFC 6975 */
DNS_EDNS_OPT_CLIENT_SUBNET = 8, /* RFC 7871 */
DNS_EDNS_OPT_EXPIRE = 9, /* RFC 7314 */
DNS_EDNS_OPT_COOKIE = 10, /* RFC 7873 */
DNS_EDNS_OPT_TCP_KEEPALIVE = 11, /* RFC 7828 */
DNS_EDNS_OPT_PADDING = 12, /* RFC 7830 */
DNS_EDNS_OPT_CHAIN = 13, /* RFC 7901 */
DNS_EDNS_OPT_KEY_TAG = 14, /* RFC 8145 */
DNS_EDNS_OPT_EXT_ERROR = 15, /* RFC 8914 */
DNS_EDNS_OPT_CLIENT_TAG = 16,
DNS_EDNS_OPT_SERVER_TAG = 17,
_DNS_EDNS_OPT_MAX_DEFINED,
_DNS_EDNS_OPT_INVALID = -EINVAL
};
/* https://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml#extended-dns-error-codes */
enum {
DNS_EDE_RCODE_OTHER = 0, /* RFC 8914, Section 4.1 */
DNS_EDE_RCODE_UNSUPPORTED_DNSKEY_ALG = 1, /* RFC 8914, Section 4.2 */
DNS_EDE_RCODE_UNSUPPORTED_DS_DIGEST = 2, /* RFC 8914, Section 4.3 */
DNS_EDE_RCODE_STALE_ANSWER = 3, /* RFC 8914, Section 4.4 */
DNS_EDE_RCODE_FORGED_ANSWER = 4, /* RFC 8914, Section 4.5 */
DNS_EDE_RCODE_DNSSEC_INDETERMINATE = 5, /* RFC 8914, Section 4.6 */
DNS_EDE_RCODE_DNSSEC_BOGUS = 6, /* RFC 8914, Section 4.7 */
DNS_EDE_RCODE_SIG_EXPIRED = 7, /* RFC 8914, Section 4.8 */
DNS_EDE_RCODE_SIG_NOT_YET_VALID = 8, /* RFC 8914, Section 4.9 */
DNS_EDE_RCODE_DNSKEY_MISSING = 9, /* RFC 8914, Section 4.10 */
DNS_EDE_RCODE_RRSIG_MISSING = 10, /* RFC 8914, Section 4.11 */
DNS_EDE_RCODE_NO_ZONE_KEY_BIT = 11, /* RFC 8914, Section 4.12 */
DNS_EDE_RCODE_NSEC_MISSING = 12, /* RFC 8914, Section 4.13 */
DNS_EDE_RCODE_CACHED_ERROR = 13, /* RFC 8914, Section 4.14 */
DNS_EDE_RCODE_NOT_READY = 14, /* RFC 8914, Section 4.15 */
DNS_EDE_RCODE_BLOCKED = 15, /* RFC 8914, Section 4.16 */
DNS_EDE_RCODE_CENSORED = 16, /* RFC 8914, Section 4.17 */
DNS_EDE_RCODE_FILTERED = 17, /* RFC 8914, Section 4.18 */
DNS_EDE_RCODE_PROHIBITIED = 18, /* RFC 8914, Section 4.19 */
DNS_EDE_RCODE_STALE_NXDOMAIN_ANSWER = 19, /* RFC 8914, Section 4.20 */
DNS_EDE_RCODE_NOT_AUTHORITATIVE = 20, /* RFC 8914, Section 4.21 */
DNS_EDE_RCODE_NOT_SUPPORTED = 21, /* RFC 8914, Section 4.22 */
DNS_EDE_RCODE_UNREACH_AUTHORITY = 22, /* RFC 8914, Section 4.23 */
DNS_EDE_RCODE_NET_ERROR = 23, /* RFC 8914, Section 4.24 */
DNS_EDE_RCODE_INVALID_DATA = 24, /* RFC 8914, Section 4.25 */
DNS_EDE_RCODE_SIG_NEVER = 25,
DNS_EDE_RCODE_TOO_EARLY = 26, /* RFC 9250 */
DNS_EDE_RCODE_UNSUPPORTED_NSEC3_ITER = 27, /* RFC 9276 */
DNS_EDE_RCODE_TRANSPORT_POLICY = 28,
DNS_EDE_RCODE_SYNTHESIZED = 29,
_DNS_EDE_RCODE_MAX_DEFINED,
_DNS_EDE_RCODE_INVALID = -EINVAL
};
const char* dns_rcode_to_string(int i) _const_;
int dns_rcode_from_string(const char *s) _pure_;
const char *format_dns_rcode(int i, char buf[static DECIMAL_STR_MAX(int)]);
#define FORMAT_DNS_RCODE(i) format_dns_rcode(i, (char [DECIMAL_STR_MAX(int)]) {})
const char* dns_ede_rcode_to_string(int i) _const_;
const char *format_dns_ede_rcode(int i, char buf[static DECIMAL_STR_MAX(int)]);
#define FORMAT_DNS_EDE_RCODE(i) format_dns_ede_rcode(i, (char [DECIMAL_STR_MAX(int)]) {})
const char* dns_protocol_to_string(DnsProtocol p) _const_;
DnsProtocol dns_protocol_from_string(const char *s) _pure_;