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dirmngr: Do not rewrite the redirection for the "openpgpkey" subdomain.

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* dirmngr/http.c (same_host_p): Consider certain subdomains to be the
same.
--

GnuPG-bug-id: 4603
Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2019-07-03 16:20:00 +02:00
parent cf92f7d96f
commit 37f0c55c7b
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
1 changed files with 20 additions and 0 deletions
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20
dirmngr/http.c
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@ -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;
}