diff --git a/dirmngr/http.c b/dirmngr/http.c index 32c0fb181..81b7ba897 100644 --- a/dirmngr/http.c +++ b/dirmngr/http.c @@ -3539,6 +3539,10 @@ same_host_p (parsed_uri_t a, parsed_uri_t b) { NULL, "api.protonmail.ch" }, { "pm.me", "api.protonmail.ch" } }; + static const char *subdomains[] = + { + "openpgpkey." + }; int i; const char *from; @@ -3560,6 +3564,22 @@ same_host_p (parsed_uri_t a, parsed_uri_t b) return 1; } + /* Also consider hosts the same if they differ only in a subdomain; + * in both direction. This allows to have redirection between the + * WKD advanced and direct lookup methods. */ + for (i=0; i < DIM (subdomains); i++) + { + const char *subdom = subdomains[i]; + size_t subdomlen = strlen (subdom); + + if (!ascii_strncasecmp (a->host, subdom, subdomlen) + && !ascii_strcasecmp (a->host + subdomlen, b->host)) + return 1; + if (!ascii_strncasecmp (b->host, subdom, subdomlen) + && !ascii_strcasecmp (b->host + subdomlen, a->host)) + return 1; + } + return 0; }