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more offline commands support

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This commit is contained in:
Christian Grothoff 2020-12-04 20:38:00 +01:00
parent 6cceb617af
commit 93537ce8d3
No known key found for this signature in database
GPG Key ID: 939E6BE1E29FC3CC
1 changed files with 193 additions and 0 deletions
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193
src/exchange-tools/taler-exchange-offline.c
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@ -116,6 +116,34 @@ struct DenomRevocationRequest
};
/**
* Data structure for signkey revocation requests.
*/
struct SignkeyRevocationRequest
{
/**
* Kept in a DLL.
*/
struct SignkeyRevocationRequest *next;
/**
* Kept in a DLL.
*/
struct SignkeyRevocationRequest *prev;
/**
* Operation handle.
*/
struct TALER_EXCHANGE_ManagementRevokeSigningKeyHandle *h;
/**
* Array index of the associated command.
*/
size_t idx;
};
/**
* Next work item to perform.
*/
@ -137,6 +165,17 @@ static struct DenomRevocationRequest *drr_head;
static struct DenomRevocationRequest *drr_tail;
/**
* Active signkey revocation requests.
*/
static struct SignkeyRevocationRequest *srr_head;
/**
* Active signkey revocation requests.
*/
static struct SignkeyRevocationRequest *srr_tail;
/**
* Shutdown task. Invoked when the application is being terminated.
*
@ -162,6 +201,21 @@ do_shutdown (void *cls)
GNUNET_free (drr);
}
}
{
struct SignkeyRevocationRequest *srr;
while (NULL != (srr = srr_head))
{
fprintf (stderr,
"Aborting incomplete signkey revocation #%u\n",
(unsigned int) srr->idx);
TALER_EXCHANGE_management_revoke_signing_key_cancel (srr->h);
GNUNET_CONTAINER_DLL_remove (srr_head,
srr_tail,
srr);
GNUNET_free (srr);
}
}
if (NULL != out)
{
json_dumpf (out,
@ -411,6 +465,87 @@ upload_denom_revocation (const char *exchange_url,
}
/**
* Function called with information about the post revocation operation result.
*
* @param cls closure with a `struct SignkeyRevocationRequest`
* @param hr HTTP response data
*/
static void
signkey_revocation_cb (
void *cls,
const struct TALER_EXCHANGE_HttpResponse *hr)
{
struct SignkeyRevocationRequest *srr = cls;
if (MHD_HTTP_NO_CONTENT != hr->http_status)
{
fprintf (stderr,
"Upload failed for command %u with status %u (%s)\n",
(unsigned int) srr->idx,
hr->http_status,
hr->hint);
}
GNUNET_CONTAINER_DLL_remove (srr_head,
srr_tail,
srr);
GNUNET_free (srr);
}
/**
* Upload signkey revocation request data.
*
* @param exchange_url base URL of the exchange
* @param idx index of the operation we are performing (for logging)
* @param value argumets for denomination revocation
*/
static void
upload_signkey_revocation (const char *exchange_url,
size_t idx,
const json_t *value)
{
struct TALER_MasterSignatureP master_sig;
struct TALER_ExchangePublicKeyP exchange_pub;
struct SignkeyRevocationRequest *srr;
const char *err_name;
unsigned int err_line;
struct GNUNET_JSON_Specification spec[] = {
GNUNET_JSON_spec_fixed_auto ("exchange_pub",
&exchange_pub),
GNUNET_JSON_spec_fixed_auto ("master_sig",
&master_sig),
GNUNET_JSON_spec_end ()
};
if (GNUNET_OK !=
GNUNET_JSON_parse (value,
spec,
&err_name,
&err_line))
{
fprintf (stderr,
"Invalid input for signkey revocation: %s#%u at %u (skipping)\n",
err_name,
err_line,
(unsigned int) idx);
return;
}
srr = GNUNET_new (struct SignkeyRevocationRequest);
srr->idx = idx;
srr->h =
TALER_EXCHANGE_management_revoke_signing_key (ctx,
exchange_url,
&exchange_pub,
&master_sig,
&signkey_revocation_cb,
srr);
GNUNET_CONTAINER_DLL_insert (srr_head,
srr_tail,
srr);
}
/**
* Perform uploads based on the JSON in #io.
*
@ -424,6 +559,10 @@ trigger_upload (const char *exchange_url)
.key = "revoke-denomination",
.cb = &upload_denom_revocation
},
{
.key = "revoke-signkey",
.cb = &upload_signkey_revocation
},
// FIXME: many more handlers here!
/* array termination */
{
@ -586,6 +725,54 @@ do_revoke_denomination_key (char *const *args)
}
/**
* Revoke signkey.
*
* @param args the array of command-line arguments to process next;
* args[0] must be the hash of the denomination key to revoke
*/
static void
do_revoke_signkey (char *const *args)
{
struct TALER_ExchangePublicKeyP exchange_pub;
struct TALER_MasterSignatureP master_sig;
if (NULL != in)
{
fprintf (stderr,
"Downloaded data was not consumed, refusing revocation\n");
GNUNET_SCHEDULER_shutdown ();
global_ret = 4;
return;
}
if ( (NULL == args[0]) ||
(GNUNET_OK !=
GNUNET_STRINGS_string_to_data (args[0],
strlen (args[0]),
&exchange_pub,
sizeof (exchange_pub))) )
{
fprintf (stderr,
"You must specify an exchange signing key with this subcommand\n");
GNUNET_SCHEDULER_shutdown ();
global_ret = 5;
return;
}
if (GNUNET_OK !=
load_offline_key ())
return;
TALER_exchange_offline_signkey_revoke_sign (&exchange_pub,
&master_priv,
&master_sig);
output_operation ("revoke-signkey",
json_pack ("{s:o, s:o}",
"exchange_pub",
GNUNET_JSON_from_data_auto (&exchange_pub),
"master_sig",
GNUNET_JSON_from_data_auto (&master_sig)));
}
/**
* Function called with information about future keys. Dumps the JSON output
* (on success), either into an internal buffer or to stdout (depending on
@ -680,6 +867,12 @@ work (void *cls)
"revoke denomination key (hash of public key must be given as argument)",
.cb = &do_revoke_denomination_key
},
{
.name = "revoke-signkey",
.help =
"revoke exchange online signing key (public key must be given as argument)",
.cb = &do_revoke_signkey
},
{
.name = "upload",
.help =