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Add finger support to dirmngr.

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The basic network code from http.c is used for finger.  This keeps the
network related code at one place and we are able to use the somewhat
matured code form http.c.  Unfortunately I had to enhance the http
code for more robustness and probably introduced new bugs.

Test this code using

  gpg --fetch-key finger:wk@g10code.com

(I might be the last user of finger ;-)
This commit is contained in:
Werner Koch 2011-02-08 21:11:19 +01:00
parent 8a7336e0bf
commit 2c79a2832c
14 changed files with 606 additions and 102 deletions
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45
dirmngr/ks-action.c
View file

@ -132,7 +132,7 @@ ks_action_get (ctrl_t ctrl, strlist_t patterns, estream_t outfp)
else
{
err = copy_stream (infp, outfp);
/* Reading from the keyserver should nver fail, thus
/* Reading from the keyserver should never fail, thus
return this error. */
es_fclose (infp);
infp = NULL;
@ -149,6 +149,49 @@ ks_action_get (ctrl_t ctrl, strlist_t patterns, estream_t outfp)
}
/* Retrive keys from URL and write the result to the provided output
stream OUTFP. */
gpg_error_t
ks_action_fetch (ctrl_t ctrl, const char *url, estream_t outfp)
{
gpg_error_t err = 0;
estream_t infp;
parsed_uri_t parsed_uri; /* The broken down URI. */
if (!url)
return gpg_error (GPG_ERR_INV_URI);
err = http_parse_uri (&parsed_uri, url, 1);
if (err)
return err;
if (parsed_uri->is_http)
{
err = gpg_error (GPG_ERR_NOT_IMPLEMENTED);
}
else if (!parsed_uri->opaque)
{
err = gpg_error (GPG_ERR_INV_URI);
}
else if (!strcmp (parsed_uri->scheme, "finger"))
{
err = ks_finger_get (ctrl, parsed_uri, &infp);
if (!err)
{
err = copy_stream (infp, outfp);
/* Reading from the finger serrver should not fail, thus
return this error. */
es_fclose (infp);
}
}
else
err = gpg_error (GPG_ERR_INV_URI);
http_release_parsed_uri (parsed_uri);
return err;
}
/* Send an OpenPGP key to all keyservers. The key in {DATA,DATALEN}
is expected in OpenPGP binary transport format. */