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dirmngr: Implement hkps lookups using literal addresses.

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* dirmngr/ks-engine-hkp.c (map_host): For literal addresses do a
reverse lookup.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2017-01-16 19:04:58 +01:00
parent 9850124c7b
commit e6aebfe3d0
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GPG Key ID: E3FDFF218E45B72B
1 changed files with 29 additions and 1 deletions
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30
dirmngr/ks-engine-hkp.c
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@ -85,7 +85,7 @@ struct hostinfo_s
time_t died_at; /* The time the host was marked dead. If this is
0 the host has been manually marked dead. */
char *cname; /* Canonical name of the host. Only set if this
is a pool. */
is a pool or NAME has a numerical IP address. */
char *v4addr; /* A string with the v4 IP address of the host.
NULL if NAME has a numeric IP address or no v4
address is available. */
@ -571,6 +571,34 @@ map_host (ctrl_t ctrl, const char *name, const char *srvtag, int force_reselect,
hi = hosttable[hi->poolidx];
assert (hi);
}
else if (r_httphost && is_ip_address (hi->name))
{
/* This is a numerical IP address and not a pool. We want to
* find the canonical name so that it can be used in the HTTP
* Host header. Fixme: We should store that name in the
* hosttable. */
dns_addrinfo_t aibuf, ai;
char *host;
err = resolve_dns_name (hi->name, 0, 0, SOCK_STREAM, &aibuf, NULL);
if (!err)
{
for (ai = aibuf; ai; ai = ai->next)
{
if (ai->family == AF_INET6 || ai->family == AF_INET)
{
err = resolve_dns_addr (ai->addr, ai->addrlen, 0, &host);
if (!err)
{
/* Okay, we return the first found name. */
*r_httphost = host;
break;
}
}
}
}
free_dns_addrinfo (aibuf);
}
if (hi->dead)
{