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128 lignes
2.3 KiB
128 lignes
2.3 KiB
il y a 5 ans
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#' Create a gdns DNS over TLS context and populate it with a resolver
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#' for use in resolution functions
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#'
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#' @param resolver character vector of valid DNS over TLS resolvers;
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#' Defaults to Quad9 (`9.9.9.9`).
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#' @export
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#' @examples
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#' x <- gdns_resolver()
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#' x <- gdns_resolver("1.1.1.1")
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gdns_resolver <- function(resolvers = "9.9.9.9") {
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int_gdns_resolver(resolvers)
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}
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#' Arbitrary DNS queries
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#'
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#' Perform any valid resource record inquiry for a given name. See `Details`.
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#'
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#' This returns a fairly complex result object but that is the nature
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#' of DNS queries. You're likely going to want what is in `$replies_tree$answer`
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#' but the rest of the structure contains lovely metadata about the query and
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#' remote query environment. There will eventually be "as data frame"-ish helpers
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#' for this object.
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#'
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#' Valid values for `rr_type`:
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#' - `a`
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#' - `a6`
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#' - `aaaa`
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#' - `afsdb`
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#' - `any`
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#' - `apl`
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#' - `atma`
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#' - `avc`
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#' - `axfr`
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#' - `caa`
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#' - `cdnskey`
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#' - `cds`
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#' - `cert`
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#' - `cname`
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#' - `csync`
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#' - `dhcid`
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#' - `dlv`
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#' - `dname`
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#' - `dnskey`
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#' - `doa`
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#' - `ds`
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#' - `eid`
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#' - `eui48`
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#' - `eui64`
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#' - `gid`
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#' - `gpos`
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#' - `hinfo`
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#' - `hip`
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#' - `ipseckey`
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#' - `isdn`
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#' - `ixfr`
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#' - `key`
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#' - `kx`
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#' - `l32`
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#' - `l64`
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#' - `loc`
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#' - `lp`
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#' - `maila`
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#' - `mailb`
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#' - `mb`
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#' - `md`
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#' - `mf`
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#' - `mg`
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#' - `minfo`
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#' - `mr`
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#' - `mx`
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#' - `naptr`
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#' - `nid`
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#' - `nimloc`
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#' - `ninfo`
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#' - `ns`
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#' - `nsap`
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#' - `nsap_ptr`
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#' - `nsec`
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#' - `nsec3`
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#' - `nsec3param`
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#' - `null`
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#' - `nxt`
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#' - `openpgpkey`
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#' - `opt`
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#' - `ptr`
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#' - `px`
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#' - `rkey`
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#' - `rp`
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#' - `rrsig`
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#' - `rt`
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#' - `sig`
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#' - `sink`
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#' - `smimea`
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#' - `soa`
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#' - `spf`
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#' - `srv`
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#' - `sshfp`
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#' - `ta`
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#' - `talink`
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#' - `tkey`
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#' - `tlsa`
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#' - `tsig`
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#' - `txt`
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#' - `uid`
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#' - `uinfo`
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#' - `unspec`
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#' - `uri`
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#' - `wks`
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#' - `x25`
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#' - `zonemd`
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#'
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#' @references <https://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml>
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#' @export
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#' @examples
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#' x <- gdns_resolver()
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#' gdns_query(x, "example.com")
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gdns_query <- function(gcx, name, rr_type = "txt") {
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rr_type <- match.arg(trimws(tolower(rr_type[1])), names(rr_types))
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res <- int_gdns_query(gcx, name, unname(as.integer(rr_types[rr_type])))
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if (length(res)) {
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out <- jsonlite::fromJSON(res)
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out
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} else {
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NULL
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}
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}
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