/*
This file is part of GNUnet.
Copyright (C) 2012-2013 GNUnet e.V.
GNUnet is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see .
SPDX-License-Identifier: AGPL3.0-or-later
*/
/**
* @file gnunet-credential.c
* @brief command line tool to access command line Credential service
* @author Martin Schanzenbach
*/
#include "platform.h"
#include
#include
#include
#include
#include "credential_misc.h"
#include "delegate_misc.h"
#include "credential_serialization.h"
/**
* Configuration we are using.
*/
static const struct GNUNET_CONFIGURATION_Handle *cfg;
/**
* Handle to the namestore.
*/
static struct GNUNET_NAMESTORE_Handle *ns;
/**
* Private key for the our zone.
*/
static struct GNUNET_CRYPTO_EcdsaPrivateKey zone_pkey;
/**
* EgoLookup
*/
static struct GNUNET_IDENTITY_EgoLookup *el;
/**
* Handle to Credential service.
*/
static struct GNUNET_CREDENTIAL_Handle *credential;
/**
* Desired timeout for the lookup (default is no timeout).
*/
static struct GNUNET_TIME_Relative timeout;
/**
* Handle to verify request
*/
static struct GNUNET_CREDENTIAL_Request *verify_request;
/**
* Handle to collect request
*/
static struct GNUNET_CREDENTIAL_Request *collect_request;
/**
* Task scheduled to handle timeout.
*/
static struct GNUNET_SCHEDULER_Task *tt;
/**
* Subject pubkey string
*/
static char *subject;
/**
* Subject credential string
*/
static char *subject_credential;
/**
* Credential TTL
*/
static char *expiration;
/**
* Subject key
*/
struct GNUNET_CRYPTO_EcdsaPublicKey subject_pkey;
/**
* Issuer key
*/
struct GNUNET_CRYPTO_EcdsaPublicKey issuer_pkey;
/**
* Issuer pubkey string
*/
static char *issuer_key;
/**
* ego
*/
static char *ego_name;
/**
* Issuer attribute
*/
static char *issuer_attr;
/**
* Verify mode
*/
static int verify;
/**
* Issue mode
*/
static int create_cred;
/**
* Collect mode
*/
static int collect;
/**
* Create mode
*/
static int create_is;
/**
* Create mode
*/
static int create_ss;
/**
* Create mode
*/
static int sign_ss;
/**
* Signed issue credentials
*/
static char *import;
/**
* Queue entry for the 'add' operation.
*/
static struct GNUNET_NAMESTORE_QueueEntry *add_qe;
/**
* Value in binary format.
*/
static void *data;
/**
* Number of bytes in #data.
*/
static size_t data_size;
/**
* Type string converted to DNS type value.
*/
static uint32_t type;
/**
* Type of the record to add/remove, NULL to remove all.
*/
static char *typestring;
/**
* Expiration string converted to numeric value.
*/
static uint64_t etime;
/**
* Is expiration time relative or absolute time?
*/
static int etime_is_rel = GNUNET_SYSERR;
/**
* Fixed size of the public/private keys
*/
static const int key_length = 52;
/**
* Record label for storing delegations
*/
static char *record_label;
/**
* Task run on shutdown. Cleans up everything.
*
* @param cls unused
*/
static void
do_shutdown (void *cls)
{
if (NULL != verify_request)
{
GNUNET_CREDENTIAL_request_cancel (verify_request);
verify_request = NULL;
}
if (NULL != credential)
{
GNUNET_CREDENTIAL_disconnect (credential);
credential = NULL;
}
if (NULL != tt)
{
GNUNET_SCHEDULER_cancel (tt);
tt = NULL;
}
if (NULL != el)
{
GNUNET_IDENTITY_ego_lookup_cancel (el);
el = NULL;
}
if (NULL != add_qe)
{
GNUNET_NAMESTORE_cancel (add_qe);
add_qe = NULL;
}
if (NULL != ns)
{
GNUNET_NAMESTORE_disconnect (ns);
ns = NULL;
}
}
/**
* Task run on timeout. Triggers shutdown.
*
* @param cls unused
*/
static void
do_timeout (void *cls)
{
tt = NULL;
GNUNET_SCHEDULER_shutdown ();
}
static void
handle_collect_result (void *cls,
unsigned int d_count,
struct GNUNET_CREDENTIAL_Delegation *dc,
unsigned int c_count,
struct GNUNET_CREDENTIAL_Delegate *dele)
{
int i;
char *line;
verify_request = NULL;
if (NULL != dele)
{
for (i = 0; i < c_count; i++)
{
line = GNUNET_CREDENTIAL_delegate_to_string (&dele[i]);
printf ("%s\n", line);
GNUNET_free (line);
}
} else {
printf("Received NULL\n");
}
GNUNET_SCHEDULER_shutdown ();
}
static void
handle_verify_result (void *cls,
unsigned int d_count,
struct GNUNET_CREDENTIAL_Delegation *dc,
unsigned int c_count,
struct GNUNET_CREDENTIAL_Delegate *dele)
{
int i;
char *iss_key;
char *sub_key;
verify_request = NULL;
if (NULL == dele)
printf ("Failed.\n");
else
{
printf ("Delegation Chain:\n");
for (i = 0; i < d_count; i++)
{
iss_key = GNUNET_CRYPTO_ecdsa_public_key_to_string (&dc[i].issuer_key);
sub_key = GNUNET_CRYPTO_ecdsa_public_key_to_string (&dc[i].subject_key);
if (0 != dc[i].subject_attribute_len)
{
printf ("(%d) %s.%s <- %s.%s\n",
i,
iss_key,
dc[i].issuer_attribute,
sub_key,
dc[i].subject_attribute);
}
else
{
printf ("(%d) %s.%s <- %s\n",
i,
iss_key,
dc[i].issuer_attribute,
sub_key);
}
GNUNET_free (iss_key);
GNUNET_free (sub_key);
}
printf ("\nDelegate(s):\n");
for (i = 0; i < c_count; i++)
{
iss_key = GNUNET_CRYPTO_ecdsa_public_key_to_string (&dele[i].issuer_key);
sub_key = GNUNET_CRYPTO_ecdsa_public_key_to_string (&dele[i].subject_key);
printf ("%s.%s <- %s\n", iss_key, dele[i].issuer_attribute, sub_key);
GNUNET_free (iss_key);
GNUNET_free (sub_key);
}
printf ("Successful.\n");
}
GNUNET_SCHEDULER_shutdown ();
}
/**
* Callback invoked from identity service with ego information.
* An @a ego of NULL means the ego was not found.
*
* @param cls closure with the configuration
* @param ego an ego known to identity service, or NULL
*/
static void
identity_cb (void *cls, const struct GNUNET_IDENTITY_Ego *ego)
{
const struct GNUNET_CRYPTO_EcdsaPrivateKey *privkey;
struct GNUNET_CREDENTIAL_Credential *cred;
struct GNUNET_TIME_Absolute etime_abs;
struct GNUNET_TIME_Relative etime_rel;
char *res;
el = NULL;
if (NULL == ego)
{
if (NULL != ego_name)
{
fprintf (stderr,
_ ("Ego `%s' not known to identity service\n"),
ego_name);
}
GNUNET_SCHEDULER_shutdown ();
return;
}
if (GNUNET_YES == collect)
{
if (GNUNET_OK !=
GNUNET_CRYPTO_ecdsa_public_key_from_string (issuer_key,
strlen (issuer_key),
&issuer_pkey))
{
fprintf (stderr,
_ ("Issuer public key `%s' is not well-formed\n"),
issuer_key);
GNUNET_SCHEDULER_shutdown ();
}
privkey = GNUNET_IDENTITY_ego_get_private_key (ego);
collect_request = GNUNET_CREDENTIAL_collect (credential,
&issuer_pkey,
issuer_attr, //TODO argument
privkey,
&handle_collect_result,
NULL);
return;
}
//Else issue
if (NULL == expiration)
{
fprintf (stderr, "Please specify a TTL\n");
GNUNET_SCHEDULER_shutdown ();
return;
}
else if (GNUNET_OK ==
GNUNET_STRINGS_fancy_time_to_relative (expiration, &etime_rel))
{
etime_abs = GNUNET_TIME_relative_to_absolute (etime_rel);
}
else if (GNUNET_OK !=
GNUNET_STRINGS_fancy_time_to_absolute (expiration, &etime_abs))
{
fprintf (stderr, "%s is not a valid ttl!\n", expiration);
GNUNET_SCHEDULER_shutdown ();
return;
}
privkey = GNUNET_IDENTITY_ego_get_private_key (ego);
GNUNET_free_non_null (ego_name);
ego_name = NULL;
cred = GNUNET_CREDENTIAL_credential_issue (privkey,
&subject_pkey,
issuer_attr,
&etime_abs);
res = GNUNET_CREDENTIAL_credential_to_string (cred);
GNUNET_free (cred);
printf ("%s\n", res);
GNUNET_SCHEDULER_shutdown ();
}
/**
* Parse expiration time.
*
* @param expirationstring text to parse
* @param etime_is_rel[out] set to #GNUNET_YES if time is relative
* @param etime[out] set to expiration time (abs or rel)
* @return #GNUNET_OK on success
*/
static int
parse_expiration (const char *expirationstring,
int *etime_is_rel,
uint64_t *etime)
{
// copied from namestore/gnunet-namestore.c
struct GNUNET_TIME_Relative etime_rel;
struct GNUNET_TIME_Absolute etime_abs;
if (0 == strcmp (expirationstring, "never"))
{
*etime = GNUNET_TIME_UNIT_FOREVER_ABS.abs_value_us;
*etime_is_rel = GNUNET_NO;
return GNUNET_OK;
}
if (GNUNET_OK ==
GNUNET_STRINGS_fancy_time_to_relative (expirationstring, &etime_rel))
{
*etime_is_rel = GNUNET_YES;
*etime = etime_rel.rel_value_us;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Storing record with relative expiration time of %s\n",
GNUNET_STRINGS_relative_time_to_string (etime_rel, GNUNET_NO));
return GNUNET_OK;
}
if (GNUNET_OK ==
GNUNET_STRINGS_fancy_time_to_absolute (expirationstring, &etime_abs))
{
*etime_is_rel = GNUNET_NO;
*etime = etime_abs.abs_value_us;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Storing record with absolute expiration time of %s\n",
GNUNET_STRINGS_absolute_time_to_string (etime_abs));
return GNUNET_OK;
}
return GNUNET_SYSERR;
}
/**
* Function called if lookup fails.
*/
static void
error_cb (void *cls)
{
fprintf (stderr, "Error occured during lookup, shutting down.\n");
GNUNET_SCHEDULER_shutdown ();
return;
}
static void
add_continuation (void *cls, int32_t success, const char *emsg)
{
// TODO what does that do, can I somehow parse an empty callback on success or do I have to set the qe* to NULL?
struct GNUNET_NAMESTORE_QueueEntry **qe = cls;
*qe = NULL;
GNUNET_SCHEDULER_shutdown ();
}
static void
get_existing_record (void *cls,
const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone_key,
const char *rec_name,
unsigned int rd_count,
const struct GNUNET_GNSRECORD_Data *rd)
{
struct GNUNET_GNSRECORD_Data rdn[rd_count + 1];
struct GNUNET_GNSRECORD_Data *rde;
memset (rdn, 0, sizeof (struct GNUNET_GNSRECORD_Data));
GNUNET_memcpy (&rdn[1], rd, rd_count * sizeof (struct GNUNET_GNSRECORD_Data));
rde = &rdn[0];
rde->data = data;
rde->data_size = data_size;
rde->record_type = type;
// Flags not required , TODO what have we said we do with that now? Look it up in my writing
/*if (1 == is_shadow)
rde->flags |= GNUNET_GNSRECORD_RF_SHADOW_RECORD;
if (1 != is_public)
rde->flags |= GNUNET_GNSRECORD_RF_PRIVATE;*/
rde->expiration_time = etime;
if (GNUNET_YES == etime_is_rel)
rde->flags |= GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION;
else if (GNUNET_NO != etime_is_rel)
rde->expiration_time = GNUNET_TIME_UNIT_FOREVER_ABS.abs_value_us;
GNUNET_assert (NULL != rec_name);
add_qe = GNUNET_NAMESTORE_records_store (ns,
&zone_pkey,
rec_name,
rd_count + 1,
rde,
&add_continuation,
&add_qe);
return;
}
static void
store_cb (void *cls, const struct GNUNET_IDENTITY_Ego *ego)
{
const struct GNUNET_CONFIGURATION_Handle *cfg = cls;
el = NULL;
ns = GNUNET_NAMESTORE_connect (cfg);
if (NULL == ns)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_ ("Failed to connect to namestore\n"));
GNUNET_SCHEDULER_shutdown ();
return;
}
// Key handling
zone_pkey = *GNUNET_IDENTITY_ego_get_private_key (ego);
// TODO maybe dont have to set subject, if only used in if/else can use import here instead!!
if (GNUNET_GNSRECORD_TYPE_DELEGATE == type)
{
// Parse import
struct GNUNET_CREDENTIAL_Delegate *cred;
cred = GNUNET_CREDENTIAL_delegate_from_string (import);
// Get import subject public key string
char *subject_pubkey_str =
GNUNET_CRYPTO_ecdsa_public_key_to_string (&cred->subject_key);
// Get zone public key string
struct GNUNET_CRYPTO_EcdsaPublicKey zone_pubkey;
GNUNET_IDENTITY_ego_get_public_key (ego, &zone_pubkey);
char *zone_pubkey_str =
GNUNET_CRYPTO_ecdsa_public_key_to_string (&zone_pubkey);
// Check if the subject key in the signed import matches the zone's key it is issued to
if (strcmp (zone_pubkey_str, subject_pubkey_str) != 0)
{
fprintf (stderr,
"Import signed delegate does not match this ego's public key.\n");
GNUNET_SCHEDULER_shutdown ();
return;
}
// Expiration
etime = cred->expiration.abs_value_us;
etime_is_rel = GNUNET_NO;
// Prepare the data to be store in the record
data_size = GNUNET_CREDENTIAL_delegate_serialize (cred, (char **) &data);
GNUNET_free (cred);
}
else
{
// For all other types e.g. GNUNET_GNSRECORD_TYPE_ATTRIBUTE
if (GNUNET_OK !=
GNUNET_GNSRECORD_string_to_value (type, subject, &data, &data_size))
{
fprintf (stderr,
"Value `%s' invalid for record type `%s'\n",
subject,
typestring);
GNUNET_SCHEDULER_shutdown ();
return;
}
// Take care of expiration
if (NULL == expiration)
{
fprintf (stderr, "Missing option -e for operation 'create'\n");
GNUNET_SCHEDULER_shutdown ();
return;
}
if (GNUNET_OK != parse_expiration (expiration, &etime_is_rel, &etime))
{
fprintf (stderr, "Invalid time format `%s'\n", expiration);
GNUNET_SCHEDULER_shutdown ();
return;
}
}
// Start lookup
add_qe = GNUNET_NAMESTORE_records_lookup (ns,
&zone_pkey,
record_label,
&error_cb,
NULL,
&get_existing_record,
NULL);
return;
}
static void
sign_cb (void *cls, const struct GNUNET_IDENTITY_Ego *ego)
{
const struct GNUNET_CRYPTO_EcdsaPrivateKey *privkey;
struct GNUNET_CREDENTIAL_Delegate *dele;
struct GNUNET_TIME_Absolute etime_abs;
char *res;
el = NULL;
// work on expiration time
if (NULL == expiration)
{
fprintf (stderr, "Please specify a TTL\n");
GNUNET_SCHEDULER_shutdown ();
return;
}
else if (GNUNET_OK !=
GNUNET_STRINGS_fancy_time_to_absolute (expiration, &etime_abs))
{
fprintf (stderr,
"%s is not a valid ttl! Only absolute times are accepted!\n",
expiration);
GNUNET_SCHEDULER_shutdown ();
return;
}
// If contains a space - split it by the first space only - assume first entry is subject followed by attribute(s)
char *subject_pubkey_str;
char *subject_attr = NULL;
char *token;
// Subject Public Key
token = strtok (subject, " ");
if (key_length == strlen (token))
{
subject_pubkey_str = token;
}
else
{
fprintf (stderr, "Key error, wrong length: %ld!\n", strlen (token));
GNUNET_SCHEDULER_shutdown ();
return;
}
// Subject Attribute(s)
token = strtok (NULL, " ");
if (NULL != token)
{
subject_attr = token;
}
// work on keys
privkey = GNUNET_IDENTITY_ego_get_private_key (ego);
if (GNUNET_OK !=
GNUNET_CRYPTO_ecdsa_public_key_from_string (subject_pubkey_str,
strlen (subject_pubkey_str),
&subject_pkey))
{
fprintf (stderr,
"Subject public key `%s' is not well-formed\n",
subject_pubkey_str);
GNUNET_SCHEDULER_shutdown ();
return;
}
// Sign delegate
dele = GNUNET_CREDENTIAL_delegate_issue (privkey,
&subject_pkey,
issuer_attr,
subject_attr,
&etime_abs);
res = GNUNET_CREDENTIAL_delegate_to_string (dele);
GNUNET_free (dele);
printf ("%s\n", res);
GNUNET_free_non_null (ego_name);
ego_name = NULL;
GNUNET_SCHEDULER_shutdown ();
}
/**
* Main function that will be run.
*
* @param cls closure
* @param args remaining command-line arguments
* @param cfgfile name of the configuration file used (for saving, can be NULL!)
* @param c configuration
*/
static void
run (void *cls,
char *const *args,
const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *c)
{
cfg = c;
tt = GNUNET_SCHEDULER_add_delayed (timeout, &do_timeout, NULL);
GNUNET_SCHEDULER_add_shutdown (&do_shutdown, NULL);
// Check relevant cmdline parameters
if (GNUNET_YES == create_is)
{
if (NULL == ego_name)
{
fprintf (stderr, "Missing option '-ego'\n");
GNUNET_SCHEDULER_shutdown ();
return;
}
if (NULL == issuer_attr)
{
fprintf (stderr, "Missing option '-attribute' for issuer attribute\n");
GNUNET_SCHEDULER_shutdown ();
return;
}
if (NULL == subject)
{
fprintf (stderr, "Missing option -subject for operation 'create'.'\n");
GNUNET_SCHEDULER_shutdown ();
return;
}
// Lookup ego, on success call store_cb and store as ATTRIBUTE type
type = GNUNET_GNSRECORD_TYPE_ATTRIBUTE;
record_label = issuer_attr;
el = GNUNET_IDENTITY_ego_lookup (cfg, ego_name, &store_cb, (void *) cfg);
return;
}
if (GNUNET_YES == create_ss)
{
// check if signed parameter has been passed in cmd line call
if (NULL == import)
{
fprintf (stderr, "'import' required\n");
GNUNET_SCHEDULER_shutdown ();
return;
}
type = GNUNET_GNSRECORD_TYPE_DELEGATE;
record_label = GNUNET_GNS_EMPTY_LABEL_AT;
// Store subject side
el = GNUNET_IDENTITY_ego_lookup (cfg, ego_name, &store_cb, (void *) cfg);
return;
}
if (GNUNET_YES == sign_ss)
{
if (NULL == ego_name)
{
fprintf (stderr, "ego required\n");
GNUNET_SCHEDULER_shutdown ();
return;
}
if (NULL == subject)
{
fprintf (stderr, "Subject public key needed\n");
GNUNET_SCHEDULER_shutdown ();
return;
}
// lookup ego and call function sign_cb on success
el = GNUNET_IDENTITY_ego_lookup (cfg, ego_name, &sign_cb, (void *) cfg);
return;
}
if (GNUNET_YES == collect)
{
if (NULL == issuer_key)
{
fprintf (stderr, _ ("Issuer public key not well-formed\n"));
GNUNET_SCHEDULER_shutdown ();
return;
}
credential = GNUNET_CREDENTIAL_connect (cfg);
if (NULL == credential)
{
fprintf (stderr, _ ("Failed to connect to CREDENTIAL\n"));
GNUNET_SCHEDULER_shutdown ();
return;
}
if (NULL == issuer_attr)
{
fprintf (stderr, _ ("You must provide issuer the attribute\n"));
GNUNET_SCHEDULER_shutdown ();
return;
}
if (NULL == ego_name)
{
fprintf (stderr, _ ("ego required\n"));
GNUNET_SCHEDULER_shutdown ();
return;
}
el = GNUNET_IDENTITY_ego_lookup (cfg, ego_name, &identity_cb, (void *) cfg);
return;
}
if (NULL == subject)
{
fprintf (stderr, _ ("Subject public key needed\n"));
GNUNET_SCHEDULER_shutdown ();
return;
}
if (GNUNET_OK != GNUNET_CRYPTO_ecdsa_public_key_from_string (subject,
strlen (subject),
&subject_pkey))
{
fprintf (stderr,
_ ("Subject public key `%s' is not well-formed\n"),
subject);
GNUNET_SCHEDULER_shutdown ();
return;
}
if (GNUNET_YES == verify)
{
if (NULL == issuer_key)
{
fprintf (stderr, _ ("Issuer public key not well-formed\n"));
GNUNET_SCHEDULER_shutdown ();
return;
}
if (GNUNET_OK !=
GNUNET_CRYPTO_ecdsa_public_key_from_string (issuer_key,
strlen (issuer_key),
&issuer_pkey))
{
fprintf (stderr,
_ ("Issuer public key `%s' is not well-formed\n"),
issuer_key);
GNUNET_SCHEDULER_shutdown ();
return;
}
credential = GNUNET_CREDENTIAL_connect (cfg);
if (NULL == credential)
{
fprintf (stderr, _ ("Failed to connect to CREDENTIAL\n"));
GNUNET_SCHEDULER_shutdown ();
return;
}
if (NULL == issuer_attr || NULL == subject_credential)
{
fprintf (stderr, _ ("You must provide issuer and subject attributes\n"));
GNUNET_SCHEDULER_shutdown ();
return;
}
//Subject credentials are comma separated
char *tmp = GNUNET_strdup (subject_credential);
char *tok = strtok (tmp, ",");
if (NULL == tok)
{
fprintf (stderr, "Invalid subject credentials\n");
GNUNET_free (tmp);
GNUNET_SCHEDULER_shutdown ();
return;
}
int count = 1;
int i;
while (NULL != (tok = strtok (NULL, ",")))
count++;
struct GNUNET_CREDENTIAL_Delegate credentials[count];
struct GNUNET_CREDENTIAL_Delegate *cred;
GNUNET_free (tmp);
tmp = GNUNET_strdup (subject_credential);
tok = strtok (tmp, ",");
for (i = 0; i < count; i++)
{
cred = GNUNET_CREDENTIAL_delegate_from_string (tok);
GNUNET_memcpy (&credentials[i],
cred,
sizeof (struct GNUNET_CREDENTIAL_Delegate));
credentials[i].issuer_attribute = GNUNET_strdup (cred->issuer_attribute);
tok = strtok (NULL, ",");
GNUNET_free (cred);
}
verify_request = GNUNET_CREDENTIAL_verify (credential,
&issuer_pkey,
issuer_attr, //TODO argument
&subject_pkey,
count,
credentials,
&handle_verify_result,
NULL);
for (i = 0; i < count; i++)
{
GNUNET_free ((char *) credentials[i].issuer_attribute);
}
GNUNET_free (tmp);
}
else if (GNUNET_YES == create_cred)
{
if (NULL == ego_name)
{
fprintf (stderr, _ ("Issuer ego required\n"));
GNUNET_SCHEDULER_shutdown ();
return;
}
el = GNUNET_IDENTITY_ego_lookup (cfg, ego_name, &identity_cb, (void *) cfg);
return;
}
else
{
fprintf (stderr,
_ (
"Please specify name to lookup, subject key and issuer key!\n"));
GNUNET_SCHEDULER_shutdown ();
}
return;
}
/**
* The main function for gnunet-gns.
*
* @param argc number of arguments from the command line
* @param argv command line arguments
* @return 0 ok, 1 on error
*/
int
main (int argc, char *const *argv)
{
struct GNUNET_GETOPT_CommandLineOption options[] = {
GNUNET_GETOPT_option_flag ('I',
"issue",
gettext_noop ("create credential"),
&create_cred),
GNUNET_GETOPT_option_flag ('V',
"verify",
gettext_noop ("verify credential against attribute"),
&verify),
GNUNET_GETOPT_option_string ('s',
"subject",
"PKEY",
gettext_noop ("The public key of the subject to lookup the"
"credential for, or for issuer side storage: subject and its attributes"),
&subject),
GNUNET_GETOPT_option_string ('b',
"credential",
"CRED",
gettext_noop ("The name of the credential presented by the subject"),
&subject_credential),
GNUNET_GETOPT_option_string ('i',
"issuer",
"PKEY",
gettext_noop ("The public key of the authority to verify the credential against"),
&issuer_key),
GNUNET_GETOPT_option_string ('e',
"ego",
"EGO",
gettext_noop ("The ego/zone name to use"),
&ego_name),
GNUNET_GETOPT_option_string ('a',
"attribute",
"ATTR",
gettext_noop ("The issuer attribute to verify against or to issue"),
&issuer_attr),
GNUNET_GETOPT_option_string ('T',
"ttl",
"EXP",
gettext_noop ("The time to live for the credential."
"e.g. 5m, 6h, \"1990-12-30 12:00:00\""),
&expiration),
GNUNET_GETOPT_option_flag ('g',
"collect",
gettext_noop ("collect credentials"),
&collect),
GNUNET_GETOPT_option_flag ('U',
"createIssuerSide",
gettext_noop ("Create and issue a credential issuer side."),
&create_is),
GNUNET_GETOPT_option_flag ('C',
"createSubjectSide",
gettext_noop ("Issue a credential subject side."),
&create_ss),
GNUNET_GETOPT_option_flag ('S',
"signSubjectSide",
gettext_noop ("Create, sign and return a credential subject side."),
&sign_ss),
GNUNET_GETOPT_option_string ('x',
"import",
"IMP",
gettext_noop ("Import signed credentials that should be issued to a zone/ego"),
&import),
GNUNET_GETOPT_OPTION_END
};
int ret;
timeout = GNUNET_TIME_UNIT_FOREVER_REL;
if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
return 2;
GNUNET_log_setup ("gnunet-credential", "WARNING", NULL);
ret = (GNUNET_OK == GNUNET_PROGRAM_run (argc,
argv,
"gnunet-credential",
_ ("GNUnet credential resolver tool"),
options,
&run,
NULL))
? 0
: 1;
GNUNET_free ((void *) argv);
return ret;
}
/* end of gnunet-credential.c */