void GroupManager::enumerate() {
ccn_charbuf *interest_path = NULL;
ccn_charbuf *templ = NULL;
interest_path = ccn_charbuf_create();
if (interest_path == NULL ) {
return;
}
ccn_name_from_uri(interest_path, BROADCAST_PREFIX);
ccn_name_append_str(interest_path, confName.toLocal8Bit().constData());
ccn_name_append_str(interest_path, "speaker-list");
// update exclusive filter according to recently known remote users
QHash<QString, RemoteUser *>::const_iterator it = (pGroupManager->qhRemoteUsers).constBegin();
QList<QString> toExclude;
while (it != (pGroupManager->qhRemoteUsers).constEnd())
{
RemoteUser *ru = it.value();
if (ru && !ru->needRefresh()) {
toExclude.append(ru->getName());
}
++it;
}
// TODO: do not exclude local user (when staleness comes to play)
// always exclude localuser by now
toExclude.append(userName);
expressEnumInterest(interest_path, toExclude);
}
/**
*
* Create new face by sending out a request Interest
* The actual new face instance is returned
*
*/
static
struct ccn_face_instance *create_face(struct ccn *h, struct ccn_charbuf *local_scope_template,
struct ccn_charbuf *no_name, struct ccn_face_instance *face_instance)
{
struct ccn_charbuf *newface = NULL;
struct ccn_charbuf *signed_info = NULL;
struct ccn_charbuf *temp = NULL;
struct ccn_charbuf *name = NULL;
struct ccn_charbuf *resultbuf = NULL;
struct ccn_parsed_ContentObject pcobuf = {0};
struct ccn_face_instance *new_face_instance = NULL;
const unsigned char *ptr = NULL;
size_t length = 0;
int res = 0;
/* Encode the given face instance */
newface = ccn_charbuf_create();
ccnb_append_face_instance(newface, face_instance);
temp = ccn_charbuf_create();
res = ccn_sign_content(h, temp, no_name, NULL, newface->buf, newface->length);
resultbuf = ccn_charbuf_create();
/* Construct the Interest name that will create the face */
name = ccn_charbuf_create();
ccn_name_init(name);
ccn_name_append_str(name, "ccnx");
ccn_name_append(name, face_instance->ccnd_id, face_instance->ccnd_id_size);
ccn_name_append_str(name, face_instance->action);
ccn_name_append(name, temp->buf, temp->length);
/* send Interest to retrieve Data that contains the newly created face */
res = ccn_get(h, name, local_scope_template, 1000, resultbuf, &pcobuf, NULL, 0);
ON_ERROR_CLEANUP(res);
/* decode Data to get the actual face instance */
res = ccn_content_get_value(resultbuf->buf, resultbuf->length, &pcobuf, &ptr, &length);
ON_ERROR_CLEANUP(res);
new_face_instance = ccn_face_instance_parse(ptr, length);
ccn_charbuf_destroy(&newface);
ccn_charbuf_destroy(&signed_info);
ccn_charbuf_destroy(&temp);
ccn_charbuf_destroy(&resultbuf);
ccn_charbuf_destroy(&name);
return new_face_instance;
cleanup:
ccn_charbuf_destroy(&newface);
ccn_charbuf_destroy(&signed_info);
ccn_charbuf_destroy(&temp);
ccn_charbuf_destroy(&resultbuf);
ccn_charbuf_destroy(&name);
return NULL;
}
void
ccn_ssh_connect(char *remote_name_str)
{
dropbear_log(LOG_WARNING,"Enter ccn_ssh_connect");
int result;
struct ccn_charbuf *remote_name;
/*
struct ccn_pkey *server_pkey;
void *encrypted_local_name;
size_t encrypted_local_name_length;
*/
struct ccn_charbuf *connect_template;
remote_name = ccn_charbuf_create();
result = ccn_name_from_uri(remote_name,remote_name_str);
if( result < 0 )
dropbear_exit("Could not parse server uri");
ccn_name_append_str(remote_name,"ssh");
ccn_name_append_str(remote_name,"client");
/*
server_pkey = ssh_ccn_retrieve_public_key(
cli_opts.ssh_ccn,
cli_opts.remote_name_str,
cli_opts.ccn_cached_keystore);
if( server_pkey == NULL )
dropbear_exit("Could not get server public key");
result = ccn_pubkey_encrypt(server_pkey,
cli_opts.ccnxdomain,
strlen(cli_opts.ccnxdomain),
&encrypted_local_name,
&encrypted_local_name_length);
ccn_name_append(remote_name,encrypted_local_name);
*/
ccn_name_append(remote_name,cli_opts.ccnxdomain,strlen(cli_opts.ccnxdomain));
dropbear_log(LOG_WARNING,"Connecting to remote:");
print_ccnb_charbuf(remote_name);
connect_template = make_connect_template();
result = ccn_express_interest(cli_opts.ssh_ccn,
remote_name,
&newServerAction,
connect_template);
if( result < 0 )
dropbear_exit("Failed to express interest to server");
}
static int
start_interest(struct sync_diff_data *diff_data) {
static char *here = "sync_track.start_interest";
struct SyncRootStruct *root = diff_data->root;
struct SyncBaseStruct *base = root->base;
struct ccns_handle *ch = diff_data->client_data;
struct SyncHashCacheEntry *ce = ch->next_ce;
struct ccn_charbuf *prefix = SyncCopyName(diff_data->root->topoPrefix);
int res = 0;
struct ccn *ccn = base->sd->ccn;
if (ccn == NULL) {
ccn_charbuf_destroy(&prefix);
return SyncNoteFailed(root, here, "bad ccn handle", __LINE__);
}
res |= ccn_name_append_str(prefix, "\xC1.S.ra");
res |= ccn_name_append(prefix, root->sliceHash->buf, root->sliceHash->length);
if (ce != NULL) {
// append the best component seen
res |= ccn_name_append(prefix, ce->hash->buf, ce->hash->length);
} else {
// append an empty component
res |= ccn_name_append(prefix, "", 0);
}
struct SyncNameAccum *excl = SyncExclusionsFromHashList(root, NULL, ch->hashSeen);
struct ccn_charbuf *template = SyncGenInterest(NULL,
int
andana_server_connect(struct andana_server *server)
{
int res;
res = ccn_proxy_connect(server->proxy);
if (res != 0) {
return(res);
}
struct ccn_charbuf *session_namespace = ccn_charbuf_create();
ccn_charbuf_append_charbuf(session_namespace, server->proxy->filter);
ccn_name_append_str(session_namespace, "CREATESESSION");
server->session_handler.p = &andana_server_session_listener;
server->session_handler.data = server;
res = ccn_set_interest_filter(server->proxy->handle,
session_namespace,
&(server->session_handler));
ccn_charbuf_destroy(&session_namespace);
return(res);
}
int
encode_message(struct ccn_charbuf *message, struct path * name_path,
char *data, size_t len, struct ccn_charbuf *signed_info,
const void *pkey, const char *digest_algorithm) {
struct ccn_charbuf *path = ccn_charbuf_create();
int i;
int res;
if (path == NULL || ccn_name_init(path) == -1) {
fprintf(stderr, "Failed to allocate or initialize content path\n");
return -1;
}
for (i = 0; i < name_path->count; i++) {
ccn_name_append_str(path, name_path->comps[i]);
}
res = ccn_encode_ContentObject(message, path, signed_info, data, len, digest_algorithm, pkey);
if (res != 0) {
fprintf(stderr, "Failed to encode ContentObject\n");
}
ccn_charbuf_destroy(&path);
return(res);
}
static int do_ping(struct ccn_schedule *sched, void *clienth,
struct ccn_scheduled_event *ev, int flags)
{
struct ccn_ping_client *client = clienth;
if (client->total >= 0 && client->sent >= client->total)
return 0;
struct ccn_charbuf *name = ccn_charbuf_create();
long int rnum;
char rnumstr[20];
int res;
ccn_charbuf_append(name, client->prefix->buf, client->prefix->length);
if (client->number < 0)
rnum = random();
else {
rnum = client->number;
client->number ++;
}
memset(&rnumstr, 0, 20);
sprintf(rnumstr, "%ld", rnum);
ccn_name_append_str(name, rnumstr);
res = ccn_express_interest(client->h, name, client->closure, NULL);
add_ccn_ping_entry(client, name, rnum);
client->sent ++;
sta.sent ++;
ccn_charbuf_destroy(&name);
if (res >= 0)
return client->interval * 1000000;
else
return 0;
}
/* send optional leave notification before actually leaves
*/
void GroupManager::sendLeaveInterest() {
ccn_charbuf *interest_path = ccn_charbuf_create();
if (interest_path == NULL ) {
return;
}
ccn_name_from_uri(interest_path, (const char*)BROADCAST_PREFIX);
ccn_name_append_str(interest_path, confName.toLocal8Bit().constData());
ccn_name_append_str(interest_path, "leave");
ccn_name_append_str(interest_path, userName.toLocal8Bit().constData());
static ccn_charbuf *templ = NULL;
mutex_trylock();
ccn_express_interest(ccn, interest_path, leave_closure, NULL);
mutex_unlock();
ccn_charbuf_destroy(&interest_path);
templ = NULL;
}
int GroupManager::ccn_open() {
ccn_charbuf *interest_filter_path;
interest_filter_path = ccn_charbuf_create();
if (interest_filter_path == NULL ) {
DPRINT("Failed to allocate or initialize interest filter path");
return -1;
}
ccn_name_from_uri(interest_filter_path, (const char *) BROADCAST_PREFIX);
ccn_name_append_str(interest_filter_path, confName.toLocal8Bit().constData());
ccn_name_append_str(interest_filter_path, "speaker-list");
ccn_set_interest_filter(ccn, interest_filter_path, req_closure);
ccn_charbuf_destroy(&interest_filter_path);
ccn_charbuf *leave_filter = ccn_charbuf_create();
ccn_name_from_uri(leave_filter, (const char *) BROADCAST_PREFIX);
ccn_name_append_str(leave_filter, confName.toLocal8Bit().constData());
ccn_name_append_str(leave_filter, "leave");
ccn_set_interest_filter(ccn, leave_filter, leave_closure);
ccn_charbuf_destroy(&leave_filter);
return 0;
}
void CcnCC_registerControlPrefix(CcnCC self) {
if (self->regControlPrefix) return;
struct ccn_charbuf* prefix = ccn_charbuf_create();
ccn_name_from_uri(prefix, "ccnx:/ccnx/ndnld");
ccn_name_append(prefix, self->ccndid, CCNDID_length);
ccn_name_append_str(prefix, "control");
struct ccn_closure* action = (struct ccn_closure*)calloc(1, sizeof(struct ccn_closure));
action->data = self;
action->p = &CcnCC_controlInterest;
ccn_set_interest_filter(self->ccnh, prefix, action);
ccn_charbuf_destroy(&prefix);
}
void CcnLAC_fetchFaceid(CcnLAC self, CCNDID ccndid) {
struct ccn_charbuf* prefix = ccn_charbuf_create();
ccn_name_from_uri(prefix, "ccnx:/ccnx/ndnld");
ccn_name_append(prefix, ccndid, CCNDID_length);
ccn_name_append_str(prefix, "discover-faceid");
struct ccn_forwarding_entry* fe = CcnH_buildForwardingEntry(CcnPrefixOp_selfreg, ccndid, 0, prefix);
fe->flags = CCN_FORW_LAST | CCN_FORW_LOCAL;
fe->lifetime = 1;
CcnH_regForwardingEntry(self->ccnh, ccndid, fe, self, &CcnLAC_fetchFaceidCb);
ccn_charbuf_destroy(&prefix);
free(fe);
}
int NdnMediaProcess::checkInterest()
{
int res = 0;
QHash<QString,UserDataBuf *>::iterator it;
ruMutex->lock();
for ( it = qhRemoteUser.begin(); it != qhRemoteUser.end(); ++it ) {
if (!it.value()->interested) {
/* Use a template to express our order preference for the first packet. */
struct ccn_charbuf *templ = ccn_charbuf_create();
struct ccn_charbuf *path = ccn_charbuf_create();
ccn_charbuf_append_tt(templ, CCN_DTAG_Interest, CCN_DTAG);
ccn_charbuf_append_tt(templ, CCN_DTAG_Name, CCN_DTAG);
ccn_charbuf_append_closer(templ);
ccn_charbuf_append_tt(templ, CCN_DTAG_ChildSelector, CCN_DTAG);
ccn_charbuf_append_tt(templ, 1, CCN_UDATA);
ccn_charbuf_append(templ, "1", 1); /* low bit 1: rightmost */
ccn_charbuf_append_closer(templ); /*<ChildSelector>*/
ccn_charbuf_append_closer(templ);
ccn_name_from_uri(path, it.key().toLocal8Bit().constData());
ccn_name_append_str(path, "audio");
if (res >= 0) {
if (it.value()->data_buf.callback->p == NULL) {fprintf(stderr, "data_buf.callback is NULL!\n"); exit(1); }
/*
int c = 0;
while (pthread_mutex_trylock(&ccn_mutex) != 0) {
c++;
if (c > 10000000) {
fprintf(stderr, "cannot obtain lock! %s:%d\n", __FILE__, __LINE__);
std::exit(1);
}
}
*/
pthread_mutex_lock(&ccn_mutex);
res = ccn_express_interest(ndnState.ccn, path, it.value()->data_buf.callback, templ);
pthread_mutex_unlock(&ccn_mutex);
it.value()->interested = 1;
fprintf(stderr, "short interest sent\n");
}
if (res < 0) {
fprintf(stderr, "sending the first interest failed\n");
exit(1);
}
ccn_charbuf_destroy(&path);
ccn_charbuf_destroy(&templ);
}
}
ruMutex->unlock();
return res;
}
/**
* Initiates a stream to download metadata (relations)
*
* @param id identifier of the ccn stream
* @param pname name of the object containing the metadata
* @param pmetaname name of the meta object to download
* @param pipeline number of parallel requisitions for chunks
*/
bool CCNGet::initMetaStream(string id, string pname, string pmetaname, int pipeline)
{
name = ccn_charbuf_create();
name->length = 0;
ccn_name_from_uri(name, pname.c_str());
templ = make_template(0,-1);
ccn = ccn_create();
if (ccn_connect(ccn,NULL) == -1) return false;
if (ccn_resolve_version(ccn, name, CCN_V_HIGHEST, 1000) < 1) return false;
ccn_name_append(name, meta, sizeof(meta));
ccn_name_append_str(name, pmetaname.c_str());
fetch = ccn_fetch_new(ccn);
stream = ccn_fetch_open(fetch, name, id.c_str(), templ, pipeline, CCN_V_HIGHEST, ASSUMEFIXED);
if (stream == NULL) return false;
else return true;
}
struct ccn_charbuf* CcnH_signForwardingEntry(struct ccn* ccnh, CCNDID ccndid, struct ccn_forwarding_entry* fe) {
struct ccn_charbuf* request = ccn_charbuf_create();
ccnb_append_forwarding_entry(request, fe);
struct ccn_charbuf* emptyname = ccn_charbuf_create();
ccn_name_init(emptyname);
struct ccn_charbuf* signed_request = ccn_charbuf_create();
ccn_sign_content(ccnh, signed_request, emptyname, NULL, request->buf, request->length);
struct ccn_charbuf* reqname = ccn_charbuf_create();
ccn_name_from_uri(reqname, "ccnx:/ccnx");
ccn_name_append(reqname, ccndid, CCNDID_length);
ccn_name_append_str(reqname, fe->action);
ccn_name_append(reqname, signed_request->buf, signed_request->length);
ccn_charbuf_destroy(&request);
ccn_charbuf_destroy(&emptyname);
ccn_charbuf_destroy(&signed_request);
return reqname;
}
void NdnMediaProcess::tick() {
// send new interest for every speaker
ruMutex->lock();
QHash<QString, UserDataBuf *>::const_iterator it = qhRemoteUser.constBegin();
while (it != qhRemoteUser.constEnd()) {
QString userName = it.key();
UserDataBuf *udb = it.value();
if (udb != NULL && udb->seq >= 0) {
udb->seq++;
struct ccn_charbuf *pathbuf = ccn_charbuf_create();
ccn_name_from_uri(pathbuf, userName.toLocal8Bit().constData());
ccn_name_append_str(pathbuf, "audio");
struct ccn_charbuf *temp = ccn_charbuf_create();
ccn_charbuf_putf(temp, "%ld", udb->seq);
ccn_name_append(pathbuf, temp->buf, temp->length);
/*
int c = 0;
while (pthread_mutex_trylock(&ccn_mutex) != 0) {
c++;
if (c > 10000000) {
fprintf(stderr, "cannot obtain lock! %s:%d\n", __FILE__, __LINE__);
std::exit(1);
}
}
*/
pthread_mutex_lock(&ccn_mutex);
int res = ccn_express_interest(ndnState.ccn, pathbuf, udb->data_buf.pipe_callback, NULL);
pthread_mutex_unlock(&ccn_mutex);
if (res < 0) {
fprintf(stderr, "Sending interest failed at normal processor\n");
exit(1);
}
ccn_charbuf_destroy(&pathbuf);
ccn_charbuf_destroy(&temp);
}
it++;
}
ruMutex->unlock();
}
/************************************************
* Text
************************************************/
int NdnMediaProcess::fetchNdnText()
{
int res = 0;
QHash<QString,UserDataBuf *>::iterator it;
ruMutex->lock();
for ( it = qhRemoteUser.begin(); it != qhRemoteUser.end(); ++it ) {
if (!it.value()->texted) {
struct ccn_charbuf *templ = ccn_charbuf_create();
struct ccn_charbuf *path = ccn_charbuf_create();
ccn_charbuf_append_tt(templ, CCN_DTAG_Interest, CCN_DTAG);
ccn_charbuf_append_tt(templ, CCN_DTAG_Name, CCN_DTAG);
ccn_charbuf_append_closer(templ);
ccn_charbuf_append_tt(templ, CCN_DTAG_ChildSelector, CCN_DTAG);
ccn_charbuf_append_tt(templ, 1, CCN_UDATA);
ccn_charbuf_append(templ, "1", 1); /* low bit 1: rightmost */
ccn_charbuf_append_closer(templ); /*<ChildSelector>*/
ccn_charbuf_append_closer(templ);
ccn_name_from_uri(path, it.key().toLocal8Bit().constData());
ccn_name_append_str(path, "text");
if (res >= 0) {
if (it.value()->data_buf.text_callback->p == NULL) {fprintf(stderr, "data_buf.text_callback is NULL!\n"); exit(1); }
pthread_mutex_lock(&ccn_mutex);
res = ccn_express_interest(ndnState.ccn, path, it.value()->data_buf.text_callback, templ);
pthread_mutex_unlock(&ccn_mutex);
it.value()->texted = 1;
fprintf(stderr, "short interest sent\n");
}
if (res < 0) {
fprintf(stderr, "sending the first interest failed\n");
exit(1);
}
ccn_charbuf_destroy(&path);
ccn_charbuf_destroy(&templ);
}
}
ruMutex->unlock();
return res;
}
/**
*
* Bind a prefix to a face
*
*/
static int
register_unregister_prefix(struct ccn *h, struct ccn_charbuf *local_scope_template,
struct ccn_charbuf *no_name, struct ccn_charbuf *name_prefix,
struct ccn_face_instance *face_instance, int operation)
{
struct ccn_charbuf *temp = NULL;
struct ccn_charbuf *resultbuf = NULL;
struct ccn_charbuf *signed_info = NULL;
struct ccn_charbuf *name = NULL;
struct ccn_charbuf *prefixreg = NULL;
struct ccn_parsed_ContentObject pcobuf = {0};
struct ccn_forwarding_entry forwarding_entry_storage = {0};
struct ccn_forwarding_entry *forwarding_entry = &forwarding_entry_storage;
struct ccn_forwarding_entry *new_forwarding_entry;
const unsigned char *ptr = NULL;
size_t length = 0;
int res;
/* Register or unregister the prefix */
forwarding_entry->action = (operation == OP_REG) ? "prefixreg" : "unreg";
forwarding_entry->name_prefix = name_prefix;
forwarding_entry->ccnd_id = face_instance->ccnd_id;
forwarding_entry->ccnd_id_size = face_instance->ccnd_id_size;
forwarding_entry->faceid = face_instance->faceid;
forwarding_entry->flags = -1;
forwarding_entry->lifetime = 2100;
prefixreg = ccn_charbuf_create();
ccnb_append_forwarding_entry(prefixreg, forwarding_entry);
temp = ccn_charbuf_create();
res = ccn_sign_content(h, temp, no_name, NULL, prefixreg->buf, prefixreg->length);
resultbuf = ccn_charbuf_create();
/* construct Interest containing prefixreg request */
name = ccn_charbuf_create();
ccn_name_init(name);
ccn_name_append_str(name, "ccnx");
ccn_name_append(name, face_instance->ccnd_id, face_instance->ccnd_id_size);
ccn_name_append_str(name, (operation == OP_REG) ? "prefixreg" : "unreg");
ccn_name_append(name, temp->buf, temp->length);
/* send Interest, get Data */
res = ccn_get(h, name, local_scope_template, 1000, resultbuf, &pcobuf, NULL, 0);
ON_ERROR_CLEANUP(res);
res = ccn_content_get_value(resultbuf->buf, resultbuf->length, &pcobuf, &ptr, &length);
ON_ERROR_CLEANUP(res);
/* extract new forwarding entry from Data */
new_forwarding_entry = ccn_forwarding_entry_parse(ptr, length);
ON_NULL_CLEANUP(new_forwarding_entry);
res = new_forwarding_entry->faceid;
ccn_forwarding_entry_destroy(&new_forwarding_entry);
ccn_charbuf_destroy(&signed_info);
ccn_charbuf_destroy(&temp);
ccn_charbuf_destroy(&resultbuf);
ccn_charbuf_destroy(&name);
ccn_charbuf_destroy(&prefixreg);
return res;
cleanup:
ccn_forwarding_entry_destroy(&new_forwarding_entry);
ccn_charbuf_destroy(&signed_info);
ccn_charbuf_destroy(&temp);
ccn_charbuf_destroy(&resultbuf);
ccn_charbuf_destroy(&name);
ccn_charbuf_destroy(&prefixreg);
return -1;
}
void GroupManager::incomingInterest(ccn_upcall_info *info) {
int res;
const char *data = NULL;
const unsigned char *requester = NULL;
const unsigned char *refresher = NULL;
const unsigned char *filter = NULL;
size_t filter_len = 0;
ccn_charbuf *signed_info = NULL;
ccn_charbuf *name = NULL;
ccn_charbuf *content = NULL;
RemoteUser *refreshUser = NULL;
// requesterPrefix starts from index 4 to (info->interest_comps->n - 2)
int nameEnd = 0;
nameEnd = (info->interest_comps)->n - 2;
/* construct reply data
* name format:
* /ndn/broadcast/conference/conference-name/speaker-list/username
*/
signed_info = ccn_charbuf_create();
struct ccn_charbuf *keylocator = ccn_charbuf_create();
ccn_create_keylocator(keylocator, ccn_keystore_public_key(cached_keystore));
res = ccn_signed_info_create(signed_info,
/*pubkeyid*/ get_my_publisher_key_id(),
/*publisher_key_id_size*/ get_my_publisher_key_id_length(),
/*datetime*/ NULL,
/*type*/ CCN_CONTENT_DATA,
///*freshness*/ -1,
/*freshness*/ FRESHNESS,
/*finalblockid*/ NULL,
/*keylocator*/ keylocator);
if (res < 0) {
DPRINT("FAILED TO CREATE signed_info (res == %d)", res);
}
name = ccn_charbuf_create();
content = ccn_charbuf_create();
ccn_name_init(name);
ccn_name_append_components(name, info->interest_ccnb,
info->interest_comps->buf[0], info->interest_comps->buf[nameEnd + 1]);
// append own username
ccn_name_append_str(name, userName.toLocal8Bit().constData());
// get user list, the caller need to free the data buffer allocated
int dlen = userListtoXml(&data);
ccn_encode_ContentObject(content, name, signed_info,
data, dlen,
NULL, get_my_private_key());
// already have the lock, no need to trylock
ccn_put(info->h, content->buf, content->length);
ccn_charbuf_destroy(&signed_info);
ccn_charbuf_destroy(&name);
ccn_charbuf_destroy(&content);
if (data != NULL) {
free((void *)data);
data = NULL;
}
}
int
main(int argc, char **argv)
{
struct ccn *h = NULL;
struct ccn_charbuf *name = NULL;
struct ccn_charbuf *null_name = NULL;
struct ccn_charbuf *name_prefix = NULL;
struct ccn_charbuf *newface = NULL;
struct ccn_charbuf *prefixreg = NULL;
struct ccn_charbuf *resultbuf = NULL;
struct ccn_charbuf *temp = NULL;
struct ccn_charbuf *templ = NULL;
const unsigned char *ptr = NULL;
size_t length = 0;
const char *arg = NULL;
const char *progname = NULL;
struct ccn_parsed_ContentObject pcobuf = {0};
struct ccn_face_instance face_instance_storage = {0};
struct ccn_face_instance *face_instance = &face_instance_storage;
struct ccn_forwarding_entry forwarding_entry_storage = {0};
struct ccn_forwarding_entry *forwarding_entry = &forwarding_entry_storage;
struct ccn_signing_params sp = CCN_SIGNING_PARAMS_INIT;
struct ccn_charbuf *keylocator_templ = NULL;
struct ccn_keystore *keystore = NULL;
long expire = -1;
int ipproto;
unsigned char ccndid_storage[32] = {0};
const unsigned char *ccndid = NULL;
size_t ccndid_size = 0;
int res;
int opt;
progname = argv[0];
while ((opt = getopt(argc, argv, "h")) != -1) {
switch (opt) {
case 'h':
default:
usage(progname);
}
}
/* Sanity check the URI and argument count */
arg = argv[optind];
if (arg == NULL)
usage(progname);
name = ccn_charbuf_create();
res = ccn_name_from_uri(name, arg);
if (res < 0) {
fprintf(stderr, "%s: bad ccn URI: %s\n", progname, arg);
exit(1);
}
if (argc - optind < 3 || argc - optind > 4)
usage(progname);
h = ccn_create();
res = ccn_connect(h, NULL);
if (res < 0) {
ccn_perror(h, "ccn_connect");
exit(1);
}
newface = ccn_charbuf_create();
temp = ccn_charbuf_create();
templ = ccn_charbuf_create();
keylocator_templ = ccn_charbuf_create();
resultbuf = ccn_charbuf_create();
name_prefix = ccn_charbuf_create();
null_name = ccn_charbuf_create();
CHKRES(ccn_name_init(null_name));
keystore = ccn_keystore_create();
/* We need to figure out our local ccnd's CCIDID */
/* Set up our Interest template to indicate scope 1 */
ccn_charbuf_reset(templ);
ccnb_element_begin(templ, CCN_DTAG_Interest);
ccnb_element_begin(templ, CCN_DTAG_Name);
ccnb_element_end(templ); /* </Name> */
ccnb_tagged_putf(templ, CCN_DTAG_Scope, "1");
ccnb_element_end(templ); /* </Interest> */
ccn_charbuf_reset(name);
CHKRES(res = ccn_name_from_uri(name, "ccnx:/%C1.M.S.localhost/%C1.M.SRV/ccnd/KEY"));
CHKRES(res = ccn_get(h, name, templ, 200, resultbuf, &pcobuf, NULL, 0));
res = ccn_ref_tagged_BLOB(CCN_DTAG_PublisherPublicKeyDigest,
resultbuf->buf,
pcobuf.offset[CCN_PCO_B_PublisherPublicKeyDigest],
pcobuf.offset[CCN_PCO_E_PublisherPublicKeyDigest],
&ccndid, &ccndid_size);
CHKRES(res);
if (ccndid_size > sizeof(ccndid_storage))
CHKRES(-1);
memcpy(ccndid_storage, ccndid, ccndid_size);
ccndid = ccndid_storage;
face_instance->action = "newface";
face_instance->ccnd_id = ccndid;
face_instance->ccnd_id_size = ccndid_size;
if (strcmp(argv[optind + 1], "tcp") == 0)
ipproto = 6;
else if (strcmp(argv[optind + 1], "udp") == 0)
ipproto = 17;
else
ipproto = atoi(argv[optind + 1]);
face_instance->descr.ipproto = ipproto; // XXX - 6 = tcp or 17 = udp
face_instance->descr.address = argv[optind + 2];
face_instance->descr.port = argv[optind + 3];
if (face_instance->descr.port == NULL)
face_instance->descr.port = CCN_DEFAULT_UNICAST_PORT;
face_instance->descr.mcast_ttl = -1;
face_instance->lifetime = (~0U) >> 1;
CHKRES(res = ccnb_append_face_instance(newface, face_instance));
temp->length = 0;
CHKRES(ccn_charbuf_putf(temp, "%s/.ccnx/.ccnx_keystore", getenv("HOME")));
res = ccn_keystore_init(keystore,
ccn_charbuf_as_string(temp),
"Th1s1sn0t8g00dp8ssw0rd.");
CHKRES(res);
ccnb_element_begin(keylocator_templ, CCN_DTAG_SignedInfo);
ccnb_element_begin(keylocator_templ, CCN_DTAG_KeyLocator);
ccnb_element_begin(keylocator_templ, CCN_DTAG_Key);
CHKRES(ccn_append_pubkey_blob(keylocator_templ, ccn_keystore_public_key(keystore)));
ccnb_element_end(keylocator_templ); /* </Key> */
ccnb_element_end(keylocator_templ); /* </KeyLocator> */
ccnb_element_end(keylocator_templ); /* </SignedInfo> */
sp.template_ccnb = keylocator_templ;
sp.sp_flags |= CCN_SP_TEMPL_KEY_LOCATOR;
sp.freshness = expire;
ccn_charbuf_reset(temp);
res = ccn_sign_content(h, temp, null_name, &sp,
newface->buf, newface->length);
CHKRES(res);
/* Create the new face */
CHKRES(ccn_name_init(name));
CHKRES(ccn_name_append_str(name, "ccnx"));
CHKRES(ccn_name_append(name, ccndid, ccndid_size));
CHKRES(ccn_name_append(name, "newface", 7));
CHKRES(ccn_name_append(name, temp->buf, temp->length));
res = ccn_get(h, name, templ, 1000, resultbuf, &pcobuf, NULL, 0);
if (res < 0) {
fprintf(stderr, "no response from face creation request\n");
exit(1);
}
ptr = resultbuf->buf;
length = resultbuf->length;
res = ccn_content_get_value(resultbuf->buf, resultbuf->length, &pcobuf, &ptr, &length);
CHKRES(res);
face_instance = ccn_face_instance_parse(ptr, length);
if (face_instance == NULL)
CHKRES(res = -1);
CHKRES(face_instance->faceid);
/* Finally, register the prefix */
ccn_charbuf_reset(name_prefix);
CHKRES(ccn_name_from_uri(name_prefix, arg));
forwarding_entry->action = "prefixreg";
forwarding_entry->name_prefix = name_prefix;
forwarding_entry->ccnd_id = ccndid;
forwarding_entry->ccnd_id_size = ccndid_size;
forwarding_entry->faceid = face_instance->faceid;
forwarding_entry->flags = -1; /* let ccnd decide */
forwarding_entry->lifetime = (~0U) >> 1;
prefixreg = ccn_charbuf_create();
CHKRES(res = ccnb_append_forwarding_entry(prefixreg, forwarding_entry));
ccn_charbuf_reset(temp);
res = ccn_sign_content(h, temp, null_name, &sp,
prefixreg->buf, prefixreg->length);
CHKRES(res);
CHKRES(ccn_name_init(name));
CHKRES(ccn_name_append_str(name, "ccnx"));
CHKRES(ccn_name_append(name, ccndid, ccndid_size));
CHKRES(ccn_name_append_str(name, "prefixreg"));
CHKRES(ccn_name_append(name, temp->buf, temp->length));
res = ccn_get(h, name, templ, 1000, resultbuf, &pcobuf, NULL, 0);
if (res < 0) {
fprintf(stderr, "no response from prefix registration request\n");
exit(1);
}
fprintf(stderr, "Prefix %s will be forwarded to face %d\n", arg, face_instance->faceid);
/* We're about to exit, so don't bother to free everything. */
ccn_destroy(&h);
exit(res < 0);
}
int NdnMediaProcess::sendNdnText(const char *text) {
#define CHARBUF_DESTROY \
ccn_charbuf_destroy(&message);\
ccn_charbuf_destroy(&path); \
ccn_charbuf_destroy(&seq);
UserDataBuf *userBuf = localUdb;
if (userBuf == NULL)
return -1;
int res = 0;
int seq_num = -1;
struct ccn_charbuf *message = ccn_charbuf_create();
struct ccn_charbuf *path = ccn_charbuf_create();
struct ccn_charbuf *seq = ccn_charbuf_create();
ccn_name_init(path);
seq_num = textSeq++;
ccn_name_from_uri(path, localUdb->user_name.toLocal8Bit().constData());
ccn_name_append_str(path, "text");
if (seq_num < 0) {
res = -1;
CHARBUF_DESTROY;
return res;
}
ccn_charbuf_putf(seq, "%ld", seq_num);
ccn_name_append(path, seq->buf, seq->length);
struct ccn_charbuf *signed_info = ccn_charbuf_create();
if (cached_keystore == NULL)
init_cached_keystore();
ccn_charbuf *keylocator = ccn_charbuf_create();
ccn_create_keylocator(keylocator, ccn_keystore_public_key(cached_keystore));
/* Create signed_info */
res = ccn_signed_info_create(signed_info,
/* pubkeyid */ get_my_publisher_key_id(),
/* publisher_key_id_size */ get_my_publisher_key_id_length(),
/* datetime */ NULL,
/* type */ CCN_CONTENT_DATA,
/* freshness */ FRESHNESS,
/* finalblockid */ NULL,
/* keylocator */ keylocator);
if (res != 0) {
fprintf(stderr, "signed_info_create failed %d (line %d)\n", res, __LINE__);
}
res = ccn_encode_ContentObject( /* out */ message,
path,
signed_info,
text, strlen(text),
/* keyLocator */ NULL, get_my_private_key());
if (res != 0) {
fprintf(stderr, "encode_ContentObject failed %d (line %d)\n", res, __LINE__);
CHARBUF_DESTROY;
return res;
}
ccn_charbuf_destroy(&signed_info);
ccn_charbuf_destroy(&keylocator);
pthread_mutex_lock(&ccn_mutex);
res = ccn_put(ndnState.ccn, message->buf, message->length);
pthread_mutex_unlock(&ccn_mutex);
}
int
main (int argc, char *argv[]) {
struct ccn_charbuf *buffer = ccn_charbuf_create();
struct ccn_charbuf *signed_info = ccn_charbuf_create();
struct ccn_skeleton_decoder dd = {0};
ssize_t res;
char *outname = NULL;
int fd;
int result = 0;
char * contents[] = {"INVITE sip:[email protected] SIP/2.0\nVia: SIP/2.0/UDP 127.0.0.1:5060;rport;branch=z9hG4bK519044721\nFrom: <sip:[email protected]>;tag=2105643453\nTo: Test User <sip:[email protected]>\nCall-ID: [email protected]\nCSeq: 20 INVITE\nContact: <sip:[email protected]:5060>\nMax-Forwards: 70\nUser-Agent: Linphone-1.7.1/eXosip\nSubject: Phone call\nExpires: 120\nAllow: INVITE, ACK, CANCEL, BYE, OPTIONS, REFER, SUBSCRIBE, NOTIFY, MESSAGE\nContent-Type: application/sdp\nContent-Length: 448\n\nv=0\no=jthornto 123456 654321 IN IP4 127.0.0.1\ns=A conversation\nc=IN IP4 127.0.0.1\nt=0 0\nm=audio 7078 RTP/AVP 111 110 0 3 8 101\na=rtpmap:111 speex/16000/1\na=rtpmap:110 speex/8000/1\na=rtpmap:0 PCMU/8000/1\na=rtpmap:3 GSM/8000/1\na=rtpmap:8 PCMA/8000/1\na=rtpmap:101 telephone-event/8000\na=fmtp:101 0-11\nm=video 9078 RTP/AVP 97 98 99\na=rtpmap:97 theora/90000\na=rtpmap:98 H263-1998/90000\na=fmtp:98 CIF=1;QCIF=1\na=rtpmap:99 MP4V-ES/90000\n",
"Quaer #%2d zjduer badone",
"",
NULL};
char * paths[] = { "/sip/protocol/parc.com/domain/foo/principal/invite/verb/[email protected]/id",
"/d/e/f",
"/zero/length/content",
NULL};
struct path * cur_path = NULL;
struct ccn_keystore *keystore = ccn_keystore_create();
char *home = getenv("HOME");
char *keystore_suffix = "/.ccnx/.ccnx_keystore";
char *keystore_name = NULL;
int i;
if (argc == 3 && strcmp(argv[1], "-o") == 0) {
outname = argv[2];
} else {
printf("Usage: %s -o <outfilename>\n", argv[0]);
exit(1);
}
if (home == NULL) {
printf("Unable to determine home directory for keystore\n");
exit(1);
}
keystore_name = calloc(1, strlen(home) + strlen(keystore_suffix) + 1);
strcat(keystore_name, home);
strcat(keystore_name, keystore_suffix);
if (0 != ccn_keystore_init(keystore, keystore_name, "Th1s1sn0t8g00dp8ssw0rd.")) {
printf("Failed to initialize keystore\n");
exit(1);
}
printf("Creating signed_info\n");
res = ccn_signed_info_create(signed_info,
/*pubkeyid*/ccn_keystore_public_key_digest(keystore),
/*publisher_key_id_size*/ccn_keystore_public_key_digest_length(keystore),
/*datetime*/NULL,
/*type*/CCN_CONTENT_GONE,
/*freshness*/ 42,
/*finalblockid*/NULL,
/*keylocator*/NULL);
if (res < 0) {
printf("Failed to create signed_info!\n");
}
res = ccn_skeleton_decode(&dd, signed_info->buf, signed_info->length);
if (!(res == signed_info->length && dd.state == 0)) {
printf("Failed to decode signed_info! Result %d State %d\n", (int)res, dd.state);
result = 1;
}
memset(&dd, 0, sizeof(dd));
printf("Done with signed_info\n");
printf("Encoding sample message data length %d\n", (int)strlen(contents[0]));
cur_path = path_create(paths[0]);
if (encode_message(buffer, cur_path, contents[0], strlen(contents[0]), signed_info, ccn_keystore_private_key(keystore))) {
printf("Failed to encode message!\n");
} else {
printf("Encoded sample message length is %d\n", (int)buffer->length);
res = ccn_skeleton_decode(&dd, buffer->buf, buffer->length);
if (!(res == buffer->length && dd.state == 0)) {
printf("Failed to decode! Result %d State %d\n", (int)res, dd.state);
result = 1;
}
if (outname != NULL) {
fd = open(outname, O_WRONLY|O_CREAT|O_TRUNC, S_IRWXU);
if (fd == -1)
perror(outname);
res = write(fd, buffer->buf, buffer->length);
close(fd);
}
if (decode_message(buffer, cur_path, contents[0], strlen(contents[0]), ccn_keystore_public_key(keystore)) != 0) {
result = 1;
}
printf("Expect signature verification failure: ");
if (buffer->length >= 20)
buffer->buf[buffer->length - 20] += 1;
if (decode_message(buffer, cur_path, contents[0], strlen(contents[0]), ccn_keystore_public_key(keystore)) == 0) {
result = 1;
}
}
path_destroy(&cur_path);
ccn_charbuf_destroy(&buffer);
printf("Done with sample message\n");
/* Now exercise as unit tests */
for (i = 0; paths[i] != NULL && contents[i] != NULL; i++) {
printf("Unit test case %d\n", i);
cur_path = path_create(paths[i]);
buffer = ccn_charbuf_create();
if (encode_message(buffer, cur_path, contents[i], strlen(contents[i]), signed_info, ccn_keystore_private_key(keystore))) {
printf("Failed encode\n");
result = 1;
} else if (decode_message(buffer, cur_path, contents[i], strlen(contents[i]), ccn_keystore_public_key(keystore))) {
printf("Failed decode\n");
result = 1;
}
path_destroy(&cur_path);
ccn_charbuf_destroy(&buffer);
}
/* Test the uri encode / decode routines */
init_all_chars_percent_encoded();
const char *uri_tests[] = {
"_+4", "ccnx:/this/is/a/test", "", "ccnx:/this/is/a/test",
".+4", "../test2?x=2", "?x=2", "ccnx:/this/is/a/test2",
"_-X", "../should/error", "", "",
"_+2", "/missing/scheme", "", "ccnx:/missing/scheme",
".+0", "../../../../../././#/", "#/", "ccnx:/",
".+1", all_chars_percent_encoded, "", all_chars_percent_encoded_canon,
"_+1", all_chars_percent_encoded_canon, "", all_chars_percent_encoded_canon,
".+4", "ccnx:/.../.%2e./...././.....///?...", "?...", "ccnx:/.../.../..../.....",
"_-X", "/%3G?bad-pecent-encode", "", "",
"_-X", "/%3?bad-percent-encode", "", "",
"_-X", "/%#bad-percent-encode", "", "",
"_+3", "ccnx://[email protected]:42/ignore/host/part of uri", "", "ccnx:/ignore/host/part%20of%20uri",
NULL, NULL, NULL, NULL
};
const char **u;
struct ccn_charbuf *uri_out = ccn_charbuf_create();
buffer = ccn_charbuf_create();
for (u = uri_tests; *u != NULL; u += 4, i++) {
printf("Unit test case %d\n", i);
if (u[0][0] != '.')
buffer->length = 0;
res = ccn_name_from_uri(buffer, u[1]);
if (!expected_res(res, u[0][1])) {
printf("Failed: ccn_name_from_uri wrong res %d\n", (int)res);
result = 1;
}
if (res >= 0) {
if (res > strlen(u[1])) {
printf("Failed: ccn_name_from_uri long res %d\n", (int)res);
result = 1;
}
else if (0 != strcmp(u[1] + res, u[2])) {
printf("Failed: ccn_name_from_uri expecting leftover '%s', got '%s'\n", u[2], u[1] + res);
result = 1;
}
uri_out->length = 0;
res = ccn_uri_append(uri_out, buffer->buf, buffer->length, 1);
if (!expected_res(res, u[0][2])) {
printf("Failed: ccn_uri_append wrong res %d\n", (int)res);
result = 1;
}
if (res >= 0) {
if (uri_out->length != strlen(u[3])) {
printf("Failed: ccn_uri_append produced wrong number of characters\n");
result = 1;
}
ccn_charbuf_reserve(uri_out, 1)[0] = 0;
if (0 != strcmp((const char *)uri_out->buf, u[3])) {
printf("Failed: ccn_uri_append produced wrong output\n");
printf("Expected: %s\n", u[3]);
printf(" Actual: %s\n", (const char *)uri_out->buf);
result = 1;
}
}
}
}
ccn_charbuf_destroy(&buffer);
ccn_charbuf_destroy(&uri_out);
printf("Name marker tests\n");
do {
const char *expected_uri = "ccnx:/example.com/.../%01/%FE/%01%02%03%04%05%06%07%08/%FD%10%10%10%10%1F%FF/%00%81";
const char *expected_chopped_uri = "ccnx:/example.com/.../%01/%FE";
const char *expected_bumped_uri = "ccnx:/example.com/.../%01/%FF";
const char *expected_bumped2_uri = "ccnx:/example.com/.../%01/%00%00";
printf("Unit test case %d\n", i++);
buffer = ccn_charbuf_create();
uri_out = ccn_charbuf_create();
res = ccn_name_init(buffer);
res |= ccn_name_append_str(buffer, "example.com");
res |= ccn_name_append_numeric(buffer, CCN_MARKER_NONE, 0);
res |= ccn_name_append_numeric(buffer, CCN_MARKER_NONE, 1);
res |= ccn_name_append_numeric(buffer, 0xFE, 0);
res |= ccn_name_append_numeric(buffer, CCN_MARKER_NONE, 0x0102030405060708ULL);
res |= ccn_name_append_numeric(buffer, CCN_MARKER_VERSION, 0x101010101FFFULL);
res |= ccn_name_append_numeric(buffer, CCN_MARKER_SEQNUM, 129);
res |= ccn_uri_append(uri_out, buffer->buf, buffer->length, 1);
if (res < 0) {
printf("Failed: name marker tests had negative res\n");
result = 1;
}
if (0 != strcmp(ccn_charbuf_as_string(uri_out), expected_uri)) {
printf("Failed: name marker tests produced wrong output\n");
printf("Expected: %s\n", expected_uri);
printf(" Actual: %s\n", (const char *)uri_out->buf);
result = 1;
}
res = ccn_name_chop(buffer, NULL, 100);
if (res != -1) {
printf("Failed: ccn_name_chop did not produce error \n");
result = 1;
}
res = ccn_name_chop(buffer, NULL, 4);
if (res != 4) {
printf("Failed: ccn_name_chop got wrong length\n");
result = 1;
}
uri_out->length = 0;
ccn_uri_append(uri_out, buffer->buf, buffer->length, 1);
if (0 != strcmp(ccn_charbuf_as_string(uri_out), expected_chopped_uri)) {
printf("Failed: ccn_name_chop botch\n");
printf("Expected: %s\n", expected_chopped_uri);
printf(" Actual: %s\n", (const char *)uri_out->buf);
result = 1;
}
res = ccn_name_next_sibling(buffer);
if (res != 4) {
printf("Failed: ccn_name_next_sibling got wrong length\n");
result = 1;
}
uri_out->length = 0;
ccn_uri_append(uri_out, buffer->buf, buffer->length, 1);
if (0 != strcmp(ccn_charbuf_as_string(uri_out), expected_bumped_uri)) {
printf("Failed: ccn_name_next_sibling botch\n");
printf("Expected: %s\n", expected_bumped_uri);
printf(" Actual: %s\n", (const char *)uri_out->buf);
result = 1;
}
ccn_name_next_sibling(buffer);
uri_out->length = 0;
ccn_uri_append(uri_out, buffer->buf, buffer->length, 1);
if (0 != strcmp(ccn_charbuf_as_string(uri_out), expected_bumped2_uri)) {
printf("Failed: ccn_name_next_sibling botch\n");
printf("Expected: %s\n", expected_bumped2_uri);
printf(" Actual: %s\n", (const char *)uri_out->buf);
result = 1;
}
ccn_charbuf_destroy(&buffer);
ccn_charbuf_destroy(&uri_out);
} while (0);
printf("Message digest tests\n");
do {
printf("Unit test case %d\n", i++);
struct ccn_digest *dg = ccn_digest_create(CCN_DIGEST_SHA256);
if (dg == NULL) {
printf("Failed: ccn_digest_create returned NULL\n");
result = 1;
break;
}
printf("Unit test case %d\n", i++);
const unsigned char expected_digest[] = {
0xb3, 0x82, 0xcd, 0xb0, 0xe9, 0x5d, 0xf7, 0x3b, 0xe7, 0xdc, 0x19, 0x81, 0x3a, 0xfd, 0xdf, 0x89, 0xfb, 0xd4, 0xd4, 0xa0, 0xdb, 0x11, 0xa6, 0xba, 0x24, 0x16, 0x5b, 0xad, 0x9d, 0x90, 0x72, 0xb0
};
unsigned char actual_digest[sizeof(expected_digest)] = {0};
const char *data = "Content-centric";
if (ccn_digest_size(dg) != sizeof(expected_digest)) {
printf("Failed: wrong digest size\n");
result = 1;
break;
}
printf("Unit test case %d\n", i++);
ccn_digest_init(dg);
res = ccn_digest_update(dg, data, strlen(data));
if (res != 0)
printf("Warning: check res %d\n", (int)res);
printf("Unit test case %d\n", i++);
res = ccn_digest_final(dg, actual_digest, sizeof(expected_digest));
if (res != 0)
printf("Warning: check res %d\n", (int)res);
if (0 != memcmp(actual_digest, expected_digest, sizeof(expected_digest))) {
printf("Failed: wrong digest\n");
result = 1;
break;
}
} while (0);
printf("Really basic PRNG test\n");
do {
unsigned char r1[42];
unsigned char r2[42];
printf("Unit test case %d\n", i++);
ccn_add_entropy(&i, sizeof(i), 0); /* Not much entropy, really. */
ccn_random_bytes(r1, sizeof(r1));
memcpy(r2, r1, sizeof(r2));
ccn_random_bytes(r2, sizeof(r2));
if (0 == memcmp(r1, r2, sizeof(r2))) {
printf("Failed: badly broken PRNG\n");
result = 1;
break;
}
} while (0);
printf("Bloom filter tests\n");
do {
unsigned char seed1[4] = "1492";
const char *a[13] = {
"one", "two", "three", "four",
"five", "six", "seven", "eight",
"nine", "ten", "eleven", "twelve",
"thirteen"
};
struct ccn_bloom *b1 = NULL;
struct ccn_bloom *b2 = NULL;
int j, k, t1, t2;
unsigned short us;
printf("Unit test case %d\n", i++);
b1 = ccn_bloom_create(13, seed1);
for (j = 0; j < 13; j++)
if (ccn_bloom_match(b1, a[j], strlen(a[j]))) break;
if (j < 13) {
printf("Failed: \"%s\" matched empty Bloom filter\n", a[j]);
result = 1;
break;
}
printf("Unit test case %d\n", i++);
for (j = 0; j < 13; j++)
ccn_bloom_insert(b1, a[j], strlen(a[j]));
for (j = 0; j < 13; j++)
if (!ccn_bloom_match(b1, a[j], strlen(a[j]))) break;
if (j < 13) {
printf("Failed: \"%s\" not found when it should have been\n", a[j]);
result = 1;
break;
}
printf("Unit test case %d\n", i++);
for (j = 0, k = 0; j < 13; j++)
if (ccn_bloom_match(b1, a[j]+1, strlen(a[j]+1)))
k++;
if (k > 0) {
printf("Mmm, found %d false positives\n", k);
if (k > 2) {
result = 1;
break;
}
}
unsigned char seed2[5] = "aqfb\0";
for (; seed2[3] <= 'f'; seed2[3]++) {
printf("Unit test case %d (%4s) ", i++, seed2);
b2 = ccn_bloom_create(13, seed2);
for (j = 0; j < 13; j++)
ccn_bloom_insert(b2, a[j], strlen(a[j]));
for (j = 0, k = 0, us = ~0; us > 0; us--) {
t1 = ccn_bloom_match(b1, &us, sizeof(us));
t2 = ccn_bloom_match(b2, &us, sizeof(us));
j += (t1 | t2);
k += (t1 & t2);
}
printf("either=%d both=%d wiresize=%d\n", j, k, ccn_bloom_wiresize(b1));
if (k > 12) {
printf("Failed: Bloom seeding may not be effective\n");
result = 1;
}
ccn_bloom_destroy(&b2);
}
ccn_bloom_destroy(&b1);
} while (0);
printf("ccn_sign_content() tests\n");
do {
struct ccn *h = ccn_create();
struct ccn_charbuf *co = ccn_charbuf_create();
struct ccn_signing_params sparm = CCN_SIGNING_PARAMS_INIT;
struct ccn_parsed_ContentObject pco = {0};
struct ccn_charbuf *name = ccn_charbuf_create();
printf("Unit test case %d\n", i++);
ccn_name_from_uri(name, "ccnx:/test/data/%00%42");
res = ccn_sign_content(h, co, name, NULL, "DATA", 4);
if (res != 0) {
printf("Failed: res == %d\n", (int)res);
result = 1;
}
sparm.template_ccnb = ccn_charbuf_create();
res = ccn_parse_ContentObject(co->buf, co->length, &pco, NULL);
if (res != 0) {
printf("Failed: ccn_parse_ContentObject res == %d\n", (int)res);
result = 1;
break;
}
ccn_charbuf_append(sparm.template_ccnb,
co->buf + pco.offset[CCN_PCO_B_SignedInfo],
pco.offset[CCN_PCO_E_SignedInfo] - pco.offset[CCN_PCO_B_SignedInfo]);
sparm.sp_flags = CCN_SP_TEMPL_TIMESTAMP;
printf("Unit test case %d\n", i++);
res = ccn_sign_content(h, co, name, &sparm, "DATA", 4);
if (res != 0) {
printf("Failed: res == %d\n", (int)res);
result = 1;
}
printf("Unit test case %d\n", i++);
sparm.sp_flags = -1;
res = ccn_sign_content(h, co, name, &sparm, "DATA", 4);
if (res != -1) {
printf("Failed: res == %d\n", (int)res);
result = 1;
}
ccn_charbuf_destroy(&name);
ccn_charbuf_destroy(&sparm.template_ccnb);
ccn_charbuf_destroy(&co);
ccn_destroy(&h);
} while (0);
printf("link tests\n");
do {
struct ccn_charbuf *l = ccn_charbuf_create();
struct ccn_charbuf *name = ccn_charbuf_create();
struct ccn_parsed_Link pl = {0};
struct ccn_buf_decoder decoder;
struct ccn_buf_decoder *d;
struct ccn_indexbuf *comps = ccn_indexbuf_create();
printf("Unit test case %d\n", i++);
ccn_name_from_uri(name, "ccnx:/test/link/name");
ccnb_append_Link(l, name, "label", NULL);
d = ccn_buf_decoder_start(&decoder, l->buf, l->length);
res = ccn_parse_Link(d, &pl, comps);
if (res != 3 /* components in name */) {
printf("Failed: ccn_parse_Link res == %d\n", (int)res);
result = 1;
}
} while (0);
exit(result);
}
int
sign_content_with_user_defined_keystore(struct ccn_charbuf *content_name,
struct ccn_charbuf *resultbuf,
const void *data,
size_t data_size,
char *keystore_path,
char *keystore_passphrase,
char *key_repo_name,
char *site_name,
char *router_name){
if ( nlsr->debugging )
printf("sign_content_with_user_defined_keystore called\n");
int res;
struct ccn_charbuf * pubid_out=ccn_charbuf_create();
struct ccn_charbuf * keyname;
struct ccn_keystore *keystore = NULL;
keystore=ccn_keystore_create();
res=ccn_keystore_init(keystore, keystore_path,keystore_passphrase );
if ( res < 0 ){
if ( nlsr->debugging )
printf("Error in initiating keystore :(\n");
ccn_keystore_destroy(&keystore);
return -1;
}
res=ccn_load_private_key (nlsr->ccn,
keystore_path,
keystore_passphrase,
pubid_out);
if(res < 0 ){
if ( nlsr->debugging )
printf("Error in loading keystore :( \n");
ccn_charbuf_destroy(&pubid_out);
return -1;
}
char *baseuri=(char *)calloc(strlen(key_repo_name)+strlen(site_name)+
strlen(router_name)+strlen("/%C1.R.N.Start")+5,sizeof(char));
memcpy(baseuri,key_repo_name,strlen(key_repo_name)+1);
if ( site_name[0] != '/')
memcpy(baseuri+strlen(baseuri),"/",1);
memcpy(baseuri+strlen(baseuri),site_name,strlen(site_name)+1);
memcpy(baseuri+strlen(baseuri),"/%C1.R.N.Start",strlen("/%C1.R.N.Start"));
memcpy(baseuri+strlen(baseuri),router_name,strlen(router_name)+1);
baseuri[strlen(baseuri)]='\0';
keyname=ccn_charbuf_create();
if(keyname == NULL ){
ccn_charbuf_destroy(&pubid_out);
free(baseuri);
return -1;
}
ccn_name_from_uri(keyname,baseuri);
if ( res < 0 ){
if ( nlsr->debugging )
printf("Bad URI format: %s\n",baseuri);
ccn_charbuf_destroy(&pubid_out);
ccn_charbuf_destroy(&keyname);
free(baseuri);
return -1;
}
ccn_name_append_str(keyname,"nlsr");
struct ccn_charbuf *keyid = ccn_charbuf_create();
ccn_charbuf_append_value(keyid, CCN_MARKER_CONTROL, 1);
ccn_charbuf_append_string(keyid, ".M.K");
ccn_charbuf_append_value(keyid, 0, 1);
ccn_charbuf_append_charbuf(keyid, pubid_out);
ccn_name_append(keyname, keyid->buf, keyid->length);
struct ccn_charbuf *uri = ccn_charbuf_create();
ccn_uri_append(uri, keyname->buf, keyname->length, 0);
if ( nlsr->debugging )
printf("Key Name Included when processing content: %s\n", ccn_charbuf_as_string(uri));
ccn_charbuf_destroy(&uri);
struct ccn_signing_params sp = CCN_SIGNING_PARAMS_INIT;
sp.type = CCN_CONTENT_DATA;
sp.template_ccnb = ccn_charbuf_create();
ccn_charbuf_append_tt(sp.template_ccnb, CCN_DTAG_SignedInfo, CCN_DTAG);
ccn_charbuf_append_tt(sp.template_ccnb, CCN_DTAG_KeyLocator, CCN_DTAG);
ccn_charbuf_append_tt(sp.template_ccnb, CCN_DTAG_KeyName, CCN_DTAG);
ccn_charbuf_append(sp.template_ccnb, keyname->buf, keyname->length);
ccn_charbuf_append_closer(sp.template_ccnb); // KeyName closer
ccn_charbuf_append_closer(sp.template_ccnb); // KeyLocator closer
ccn_charbuf_append_closer(sp.template_ccnb); // SignedInfo closer
sp.sp_flags |= CCN_SP_TEMPL_KEY_LOCATOR;
sp.sp_flags |= CCN_SP_FINAL_BLOCK;
sp.freshness = 60;
if (pubid_out->length != sizeof(sp.pubid)){
if ( nlsr->debugging )
printf("Size of pubid and sp.pubid is not equal");
ccn_charbuf_destroy(&keyname);
ccn_charbuf_destroy(&pubid_out);
free(baseuri);
return -1;
}
memcpy(sp.pubid, pubid_out->buf, pubid_out->length);
res=ccn_sign_content(nlsr->ccn,resultbuf,content_name,&sp,data,data_size);
if( res < 0 ){
if ( nlsr->debugging )
printf("Content signing error \n");
ccn_charbuf_destroy(&sp.template_ccnb);
ccn_charbuf_destroy(&keyid);
ccn_charbuf_destroy(&keyname);
ccn_charbuf_destroy(&pubid_out);
free(baseuri);
return -1;
}
ccn_charbuf_destroy(&sp.template_ccnb);
ccn_charbuf_destroy(&keyid);
ccn_charbuf_destroy(&keyname);
ccn_charbuf_destroy(&pubid_out);
free(baseuri);
return 0;
}
void GroupManager::expressEnumInterest(struct ccn_charbuf *interest, QList<QString> &toExclude) {
if (toExclude.size() == 0) {
mutex_trylock();
int res = ccn_express_interest(ccn, interest, join_closure, NULL);
mutex_unlock();
if (res < 0) {
critical("express interest failed!");
}
ccn_charbuf_destroy(&interest);
return;
}
struct ccn_charbuf **excl = NULL;
if (toExclude.size() > 0) {
excl = new ccn_charbuf *[toExclude.size()];
for (int i = 0; i < toExclude.size(); i ++) {
QString compName = toExclude.at(i);
struct ccn_charbuf *comp = ccn_charbuf_create();
ccn_name_init(comp);
ccn_name_append_str(comp, compName.toStdString().c_str());
excl[i] = comp;
comp = NULL;
}
qsort(excl, toExclude.size(), sizeof(excl[0]), &namecompare);
}
int begin = 0;
bool excludeLow = false;
bool excludeHigh = true;
while (begin < toExclude.size()) {
if (begin != 0) {
excludeLow = true;
}
struct ccn_charbuf *templ = ccn_charbuf_create();
ccn_charbuf_append_tt(templ, CCN_DTAG_Interest, CCN_DTAG); // <Interest>
ccn_charbuf_append_tt(templ, CCN_DTAG_Name, CCN_DTAG); // <Name>
ccn_charbuf_append_closer(templ); // </Name>
ccn_charbuf_append_tt(templ, CCN_DTAG_Exclude, CCN_DTAG); // <Exclude>
if (excludeLow) {
append_bf_all(templ);
}
for (; begin < toExclude.size(); begin++) {
struct ccn_charbuf *comp = excl[begin];
if (comp->length < 4) abort();
// we are being conservative here
if (interest->length + templ->length + comp->length > 1350) {
break;
}
ccn_charbuf_append(templ, comp->buf + 1, comp->length - 2);
}
if (begin == toExclude.size()) {
excludeHigh = false;
}
if (excludeHigh) {
append_bf_all(templ);
}
ccn_charbuf_append_closer(templ); // </Exclude>
ccn_charbuf_append_closer(templ); // </Interest>
mutex_trylock();
int res = ccn_express_interest(ccn, interest, join_closure, templ);
mutex_unlock();
if (res < 0) {
critical("express interest failed!");
}
ccn_charbuf_destroy(&templ);
}
ccn_charbuf_destroy(&interest);
for (int i = 0; i < toExclude.size(); i++) {
ccn_charbuf_destroy(&excl[i]);
}
if (excl != NULL) {
delete []excl;
}
}
int main(int argc, char *argv[])
{
const char *progname = argv[0];
struct ccn_ping_client client = {.sent = 0, .received = 0, .total = -1, .number = -1, .interval = 1};
struct ccn_closure in_content = {.p = &incoming_content};
struct hashtb_param param = {0};
int res;
struct sigaction sa;
memset(&sa, 0, sizeof(sa));
sa.sa_handler = &handle_interrupt;
sigaction(SIGINT, &sa, &osa);
memset(&sta, 0, sizeof(sta));
gettimeofday(&sta.start, 0);
sta.min = INT_MAX;
while ((res = getopt(argc, argv, "hi:c:n:")) != -1) {
switch (res) {
case 'c':
client.total = atol(optarg);
if (client.total <= 0)
usage(progname);
break;
case 'i':
client.interval = atof(optarg);
if (client.interval < PING_MIN_INTERVAL)
usage(progname);
break;
case 'n':
client.number = atol(optarg);
if (client.number < 0)
usage(progname);
break;
case 'h':
default:
usage(progname);
break;
}
}
if (client.number < 0)
srandom(time(NULL));
argc -= optind;
argv += optind;
if (argv[0] == NULL)
usage(progname);
sta.prefix = argv[0];
client.original_prefix = argv[0];
client.prefix = ccn_charbuf_create();
res = ccn_name_from_uri(client.prefix, argv[0]);
if (res < 0) {
fprintf(stderr, "%s: bad ccn URI: %s\n", progname, argv[0]);
exit(1);
}
if (argv[1] != NULL)
fprintf(stderr, "%s warning: extra arguments ignored\n", progname);
//append "/ping" to the given name prefix
res = ccn_name_append_str(client.prefix, PING_COMPONENT);
if (res < 0) {
fprintf(stderr, "%s: error constructing ccn URI: %s/%s\n", progname, argv[0], PING_COMPONENT);
exit(1);
}
/* Connect to ccnd */
client.h = ccn_create();
if (ccn_connect(client.h, NULL) == -1) {
perror("Could not connect to ccnd");
exit(1);
}
client.closure = &in_content;
in_content.data = &client;
client.ccn_ping_table = hashtb_create(sizeof(struct ccn_ping_entry), ¶m);
client.sched = ccn_schedule_create(&client, &ccn_ping_ticker);
client.event = ccn_schedule_event(client.sched, 0, &do_ping, NULL, 0);
printf("CCNPING %s\n", client.original_prefix);
res = 0;
while (res >= 0 && (client.total <= 0 || client.sent < client.total || hashtb_n(client.ccn_ping_table) > 0))
{
if (client.total <= 0 || client.sent < client.total)
ccn_schedule_run(client.sched);
res = ccn_run(client.h, 10);
}
ccn_schedule_destroy(&client.sched);
ccn_destroy(&client.h);
ccn_charbuf_destroy(&client.prefix);
print_statistics();
return 0;
}
// creates a full structure without action, if proto == "face" only the
// faceid (from cmd_host parameter) and lifetime will be filled in.
struct ccn_face_instance *
parse_ccn_face_instance(struct ccndc_data *self,
const char *cmd_proto,
const char *cmd_host, const char *cmd_port,
const char *cmd_mcastttl, const char *cmd_mcastif,
int freshness)
{
struct ccn_face_instance *entry;
struct addrinfo hints = {.ai_family = AF_UNSPEC, .ai_flags = (AI_ADDRCONFIG)};
struct addrinfo mcasthints = {.ai_family = AF_UNSPEC, .ai_flags = (AI_ADDRCONFIG | AI_NUMERICHOST)};
struct addrinfo *raddrinfo = NULL;
struct addrinfo *mcastifaddrinfo = NULL;
char rhostnamebuf [NI_MAXHOST];
char rhostportbuf [NI_MAXSERV];
int off_address = -1, off_port = -1, off_source_address = -1;
int res;
int socktype;
entry = calloc(1, sizeof(*entry));
if (entry == NULL) {
ccndc_warn(__LINE__, "Fatal error: memory allocation failed");
goto ExitOnError;
}
// allocate storage for Face data
entry->store = ccn_charbuf_create();
if (entry->store == NULL) {
ccndc_warn(__LINE__, "Fatal error: memory allocation failed");
goto ExitOnError;
}
// copy static info
entry->ccnd_id = (const unsigned char *)self->ccnd_id;
entry->ccnd_id_size = self->ccnd_id_size;
if (cmd_proto == NULL) {
ccndc_warn(__LINE__, "command error, missing address type\n");
goto ExitOnError;
}
if (strcasecmp(cmd_proto, "udp") == 0) {
entry->descr.ipproto = IPPROTO_UDP;
socktype = SOCK_DGRAM;
} else if (strcasecmp(cmd_proto, "tcp") == 0) {
entry->descr.ipproto = IPPROTO_TCP;
socktype = SOCK_STREAM;
} else if (strcasecmp(cmd_proto, "face") == 0) {
errno = 0;
unsigned long faceid = strtoul(cmd_host, (char **)NULL, 10);
if (errno == ERANGE || errno == EINVAL || faceid > UINT_MAX || faceid == 0) {
ccndc_warn(__LINE__, "command error, face number invalid or out of range '%s'\n", cmd_host);
goto ExitOnError;
}
entry->faceid = (unsigned) faceid;
entry->lifetime = freshness;
return (entry);
} else {
ccndc_warn(__LINE__, "command error, unrecognized address type '%s'\n", cmd_proto);
goto ExitOnError;
}
if (cmd_host == NULL) {
ccndc_warn(__LINE__, "command error, missing hostname\n");
goto ExitOnError;
}
if (cmd_port == NULL || cmd_port[0] == 0)
cmd_port = CCN_DEFAULT_UNICAST_PORT;
hints.ai_socktype = socktype;
res = getaddrinfo(cmd_host, cmd_port, &hints, &raddrinfo);
if (res != 0 || raddrinfo == NULL) {
ccndc_warn(__LINE__, "command error, getaddrinfo for host [%s] port [%s]: %s\n", cmd_host, cmd_port, gai_strerror(res));
goto ExitOnError;
}
res = getnameinfo(raddrinfo->ai_addr, raddrinfo->ai_addrlen,
rhostnamebuf, sizeof(rhostnamebuf),
rhostportbuf, sizeof(rhostportbuf),
NI_NUMERICHOST | NI_NUMERICSERV);
freeaddrinfo(raddrinfo);
if (res != 0) {
ccndc_warn(__LINE__, "command error, getnameinfo: %s\n", gai_strerror(res));
goto ExitOnError;
}
off_address = entry->store->length;
res = ccn_charbuf_append(entry->store, rhostnamebuf, strlen(rhostnamebuf)+1);
if (res != 0) {
ccndc_warn(__LINE__, "Cannot append to charbuf");
goto ExitOnError;
}
off_port = entry->store->length;
res = ccn_charbuf_append(entry->store, rhostportbuf, strlen(rhostportbuf)+1);
if (res != 0) {
ccndc_warn(__LINE__, "Cannot append to charbuf");
goto ExitOnError;
}
entry->descr.mcast_ttl = -1;
if (cmd_mcastttl != NULL) {
char *endptr;
entry->descr.mcast_ttl = strtol(cmd_mcastttl, &endptr, 10);
if ((endptr != &cmd_mcastttl[strlen(cmd_mcastttl)]) ||
entry->descr.mcast_ttl < 0 || entry->descr.mcast_ttl > 255) {
ccndc_warn(__LINE__, "command error, invalid multicast ttl: %s\n", cmd_mcastttl);
goto ExitOnError;
}
}
if (cmd_mcastif != NULL) {
res = getaddrinfo(cmd_mcastif, NULL, &mcasthints, &mcastifaddrinfo);
if (res != 0) {
ccndc_warn(__LINE__, "command error, incorrect multicat interface [%s]: "
"mcastifaddr getaddrinfo: %s\n", cmd_mcastif, gai_strerror(res));
goto ExitOnError;
}
res = getnameinfo(mcastifaddrinfo->ai_addr, mcastifaddrinfo->ai_addrlen,
rhostnamebuf, sizeof(rhostnamebuf),
NULL, 0,
NI_NUMERICHOST | NI_NUMERICSERV);
freeaddrinfo(mcastifaddrinfo);
if (res != 0) {
ccndc_warn(__LINE__, "command error, getnameinfo: %s\n", gai_strerror(res));
goto ExitOnError;
}
off_source_address = entry->store->length;
res = ccn_charbuf_append(entry->store, rhostnamebuf, strlen(rhostnamebuf)+1);
if (res != 0) {
ccndc_warn(__LINE__, "Cannot append to charbuf");
goto ExitOnError;
}
}
entry->descr.address = (const char *)(entry->store->buf + off_address);
entry->descr.port = (const char *)(entry->store->buf + off_port);
if (off_source_address >= 0) {
entry->descr.source_address = (const char *)(entry->store->buf + off_source_address);
}
entry->lifetime = freshness;
return entry;
ExitOnError:
ccn_face_instance_destroy(&entry);
return (NULL);
}
struct ccn_face_instance *
parse_ccn_face_instance_from_face(struct ccndc_data *self,
const char *cmd_faceid)
{
struct ccn_face_instance *entry = calloc(1, sizeof(*entry));
// allocate storage for Face data
entry->store = ccn_charbuf_create();
// copy static info
entry->ccnd_id = (const unsigned char *)self->ccnd_id;
entry->ccnd_id_size = self->ccnd_id_size;
/* destroy a face - the URI field will hold the face number */
if (cmd_faceid == NULL) {
ccndc_warn(__LINE__, "command error, missing face number for destroyface\n");
goto ExitOnError;
}
char *endptr;
int facenumber = strtol(cmd_faceid, &endptr, 10);
if ((endptr != &cmd_faceid[strlen(cmd_faceid)]) ||
facenumber < 0) {
ccndc_warn(__LINE__, "command error invalid face number for destroyface: %d\n", facenumber);
goto ExitOnError;
}
entry->faceid = facenumber;
return entry;
ExitOnError:
ccn_face_instance_destroy(&entry);
return (NULL);
}
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// "private section
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
int
ccndc_get_ccnd_id(struct ccndc_data *self)
{
struct ccn_charbuf *name = NULL;
struct ccn_charbuf *resultbuf = NULL;
struct ccn_parsed_ContentObject pcobuf = {0};
char ccndid_uri[] = "ccnx:/%C1.M.S.localhost/%C1.M.SRV/ccnd/KEY";
const unsigned char *ccndid_result;
int res = 0;
name = ccn_charbuf_create();
if (name == NULL) {
ccndc_warn(__LINE__, "Unable to allocate storage for service locator name charbuf\n");
return -1;
}
resultbuf = ccn_charbuf_create();
if (resultbuf == NULL) {
ccndc_warn(__LINE__, "Unable to allocate storage for result charbuf");
res = -1;
goto Cleanup;
}
res = ccn_name_from_uri(name, ccndid_uri);
if (res < 0) {
ccndc_warn(__LINE__, "Unable to parse service locator URI for ccnd key");
goto Cleanup;
}
res = ccn_get(self->ccn_handle,
name,
self->local_scope_template,
4500, resultbuf, &pcobuf, NULL, 0);
if (res < 0) {
ccndc_warn(__LINE__, "Unable to get key from ccnd");
goto Cleanup;
}
res = ccn_ref_tagged_BLOB (CCN_DTAG_PublisherPublicKeyDigest,
resultbuf->buf,
pcobuf.offset[CCN_PCO_B_PublisherPublicKeyDigest],
pcobuf.offset[CCN_PCO_E_PublisherPublicKeyDigest],
&ccndid_result, &self->ccnd_id_size);
if (res < 0) {
ccndc_warn(__LINE__, "Unable to parse ccnd response for ccnd id");
goto Cleanup;
}
if (self->ccnd_id_size > sizeof (self->ccnd_id))
{
ccndc_warn(__LINE__, "Incorrect size for ccnd id in response");
goto Cleanup;
}
memcpy(self->ccnd_id, ccndid_result, self->ccnd_id_size);
Cleanup:
ccn_charbuf_destroy(&name);
ccn_charbuf_destroy(&resultbuf);
return (res);
}
struct ccn_face_instance *
ccndc_do_face_action(struct ccndc_data *self,
const char *action,
struct ccn_face_instance *face_instance)
{
struct ccn_charbuf *newface = NULL;
struct ccn_charbuf *signed_info = NULL;
struct ccn_charbuf *temp = NULL;
struct ccn_charbuf *name = NULL;
struct ccn_charbuf *resultbuf = NULL;
struct ccn_parsed_ContentObject pcobuf = {0};
struct ccn_face_instance *new_face_instance = NULL;
const unsigned char *ptr = NULL;
size_t length = 0;
int res = 0;
face_instance->action = action;
/* Encode the given face instance */
newface = ccn_charbuf_create();
ON_NULL_CLEANUP(newface);
ON_ERROR_CLEANUP(ccnb_append_face_instance(newface, face_instance));
temp = ccn_charbuf_create();
ON_NULL_CLEANUP(temp);
res = ccn_sign_content(self->ccn_handle, temp, self->no_name, NULL, newface->buf, newface->length);
ON_ERROR_CLEANUP(res);
resultbuf = ccn_charbuf_create();
ON_NULL_CLEANUP(resultbuf);
/* Construct the Interest name that will create the face */
name = ccn_charbuf_create();
ON_NULL_CLEANUP(name);
ON_ERROR_CLEANUP(ccn_name_init(name));
ON_ERROR_CLEANUP(ccn_name_append_str(name, "ccnx"));
ON_ERROR_CLEANUP(ccn_name_append(name, face_instance->ccnd_id, face_instance->ccnd_id_size));
ON_ERROR_CLEANUP(ccn_name_append_str(name, face_instance->action));
ON_ERROR_CLEANUP(ccn_name_append(name, temp->buf, temp->length));
res = ccn_get(self->ccn_handle, name, self->local_scope_template, 1000, resultbuf, &pcobuf, NULL, 0);
ON_ERROR_CLEANUP(res);
ON_ERROR_CLEANUP(ccn_content_get_value(resultbuf->buf, resultbuf->length, &pcobuf, &ptr, &length));
new_face_instance = ccn_face_instance_parse(ptr, length);
ON_NULL_CLEANUP(new_face_instance);
ccn_charbuf_destroy(&newface);
ccn_charbuf_destroy(&signed_info);
ccn_charbuf_destroy(&temp);
ccn_charbuf_destroy(&resultbuf);
ccn_charbuf_destroy(&name);
return (new_face_instance);
Cleanup:
ccn_charbuf_destroy(&newface);
ccn_charbuf_destroy(&signed_info);
ccn_charbuf_destroy(&temp);
ccn_charbuf_destroy(&resultbuf);
ccn_charbuf_destroy(&name);
ccn_face_instance_destroy(&new_face_instance);
return (NULL);
}
int
ccndc_do_prefix_action(struct ccndc_data *self,
const char *action,
struct ccn_forwarding_entry *forwarding_entry)
{
struct ccn_charbuf *temp = NULL;
struct ccn_charbuf *resultbuf = NULL;
struct ccn_charbuf *signed_info = NULL;
struct ccn_charbuf *name = NULL;
struct ccn_charbuf *prefixreg = NULL;
struct ccn_parsed_ContentObject pcobuf = {0};
struct ccn_forwarding_entry *new_forwarding_entry = NULL;
const unsigned char *ptr = NULL;
size_t length = 0;
int res;
forwarding_entry->action = action;
prefixreg = ccn_charbuf_create();
ON_NULL_CLEANUP(prefixreg);
ON_ERROR_CLEANUP(ccnb_append_forwarding_entry(prefixreg, forwarding_entry));
temp = ccn_charbuf_create();
ON_NULL_CLEANUP(temp);
res = ccn_sign_content(self->ccn_handle, temp, self->no_name, NULL, prefixreg->buf, prefixreg->length);
ON_ERROR_CLEANUP(res);
resultbuf = ccn_charbuf_create();
ON_NULL_CLEANUP(resultbuf);
name = ccn_charbuf_create();
ON_ERROR_CLEANUP(ccn_name_init(name));
ON_ERROR_CLEANUP(ccn_name_append_str(name, "ccnx"));
ON_ERROR_CLEANUP(ccn_name_append(name, forwarding_entry->ccnd_id, forwarding_entry->ccnd_id_size));
ON_ERROR_CLEANUP(ccn_name_append_str(name, forwarding_entry->action));
ON_ERROR_CLEANUP(ccn_name_append(name, temp->buf, temp->length));
res = ccn_get(self->ccn_handle, name, self->local_scope_template, 1000, resultbuf, &pcobuf, NULL, 0);
ON_ERROR_CLEANUP(res);
ON_ERROR_CLEANUP(ccn_content_get_value(resultbuf->buf, resultbuf->length, &pcobuf, &ptr, &length));
new_forwarding_entry = ccn_forwarding_entry_parse(ptr, length);
ON_NULL_CLEANUP(new_forwarding_entry);
res = new_forwarding_entry->faceid;
ccn_forwarding_entry_destroy(&new_forwarding_entry);
ccn_charbuf_destroy(&signed_info);
ccn_charbuf_destroy(&temp);
ccn_charbuf_destroy(&resultbuf);
ccn_charbuf_destroy(&name);
ccn_charbuf_destroy(&prefixreg);
return (res);
/* This is where ON_ERROR_CLEANUP sends us in case of an error
* and we must free any storage we allocated before returning.
*/
Cleanup:
ccn_charbuf_destroy(&signed_info);
ccn_charbuf_destroy(&temp);
ccn_charbuf_destroy(&resultbuf);
ccn_charbuf_destroy(&name);
ccn_charbuf_destroy(&prefixreg);
return (-1);
}
int main(int argc, char** argv) {
int res = 0;
struct ccn* ccn_pub;
struct ccn* ccn_rec;
// Will hold the public/private key used for signing
struct ccn_pkey* public_key = NULL;
struct ccn_pkey* private_key = NULL;
int complete=0;
int outstanding_interests=0;
// We need two ccn handles because the same handle cannot be used
// to answer interests it issues.
//
ccn_pub = ccn_create();
if (ccn_connect(ccn_pub, NULL) == -1) {
fprintf(stderr, "Could not connect to ccnd");
return(1);
}
ccn_rec = ccn_create();
if (ccn_connect(ccn_rec, NULL) == -1) {
fprintf(stderr, "Could not connect to ccnd");
return(1);
}
// Closure to handle upcalls
struct ccn_closure *cl = NULL;
cl = (struct ccn_closure*) calloc(1, sizeof(struct ccn_closure));
cl->p = &packet_handler;
handler_data h_data = { &complete, &outstanding_interests, &public_key, &ccn_pub, &ccn_rec};
cl->data = &h_data;
// Setup our one test name without signature
// The nonce here is just a random string, to avoid content store caching
struct ccn_charbuf* name;
name = ccn_charbuf_create();
ccn_name_from_uri(name, TEST_URI);
ccn_name_append_nonce(name);
fprintf(stderr, "Our name: %s/<nonce>\n", TEST_URI);
// Set up a filter for interests in that name
res = ccn_set_interest_filter(ccn_pub, name, cl);
if (res < 0) {
fprintf(stderr, "Failed to register interest (res == %d)\n", res);
return(1);
}
// Get our default keys -- Why do we have to do all this work??
// Borrowed from ccn_client.c
struct ccn_signing_params name_sp = CCN_SIGNING_PARAMS_INIT;
struct ccn_signing_params p = CCN_SIGNING_PARAMS_INIT;
struct ccn_keystore *keystore = NULL;
struct ccn_charbuf *timestamp = NULL;
struct ccn_charbuf *finalblockid = NULL;
struct ccn_charbuf *keylocator = NULL;
unsigned char* public_key_digest = NULL;
size_t public_key_digest_length = 0;
res = ccn_chk_signing_params(ccn_pub, &name_sp, &p, ×tamp, &finalblockid, &keylocator);
if (res < 0)
return(res);
// For this test, use our default signing keys
get_default_keys(ccn_pub, &p, &keystore,
&public_key, &public_key_digest, &public_key_digest_length, &private_key);
// We'll need a KeyLocator for our ContentObject
// So continue borrowed code
/* Construct a key locator containing the key itself */
build_keylocator_from_key(&keylocator, public_key);
// And a SignedInfo too
struct ccn_charbuf *signed_info = ccn_charbuf_create();
res = ccn_signed_info_create(signed_info,
public_key_digest,
public_key_digest_length,
timestamp,
p.type,
p.freshness,
0, /* FinalBlockID is optional */
keylocator);
// * Test using interests for a name that has one more component than our registered prefix
// This is more representative of real apps...
// 20-May-2011
ccn_name_append_str(name, "some stuff in a name component");
ccn_name_append_nonce(name);
ccn_name_append_nonce(name);
// Sign the interest
struct ccn_charbuf *name_signed = ccn_charbuf_create();
sign_interest(name_signed, name, signed_info, NULL /* default digest alg */, private_key);
// Express the signed interest from a different ccn handle so we get the packet
res = ccn_express_interest(ccn_rec, name_signed, cl, NULL); // TODO: AnswerOriginKind could limit to signed interest?
outstanding_interests++;
// Express an interest with an incorrect namespace
struct ccn_charbuf *name_signed_copy = ccn_charbuf_create();
ccn_charbuf_append_charbuf(name_signed_copy, name_signed);
size_t k = name->length + 10; // Seek into the namespace part of the buffer
name_signed_copy->buf[k] = name_signed_copy->buf[k] + 1;
res = ccn_express_interest(ccn_rec, name_signed_copy, cl, NULL); // TODO: AnswerOriginKind could limit to signed interest?
outstanding_interests++;
// Express an interest with bogus signature
name_signed_copy = ccn_charbuf_create();
ccn_charbuf_append_charbuf(name_signed_copy, name_signed);
k = name->length + 30; // Seek into the signature part of the buffer
name_signed_copy->buf[k] = name_signed_copy->buf[k] + 1;
res = ccn_express_interest(ccn_rec, name_signed_copy, cl, NULL); // TODO: AnswerOriginKind could limit to signed interest?
outstanding_interests++;
if (res < 0) {
fprintf(stderr, "Error expressing interest (res == %d)\n", res);
}
cl = NULL; // freed by ccn?
while(!complete && outstanding_interests>0) {
// Not sure how to handle two ccn_runs?
ccn_run(ccn_rec, 100); /* stop if we run dry for .1 sec */
ccn_run(ccn_pub, 100); /* stop if we run dry for .1 sec */
fflush(stdout);
}
ccn_charbuf_destroy(×tamp);
ccn_charbuf_destroy(&keylocator);
ccn_charbuf_destroy(&finalblockid);
ccn_charbuf_destroy(&signed_info);
ccn_charbuf_destroy(&name);
ccn_charbuf_destroy(&name_signed);
ccn_charbuf_destroy(&name_signed_copy);
ccn_destroy(&ccn_pub);
ccn_destroy(&ccn_rec);
fflush(stderr);
return(0);
}
int NdnMediaProcess::ndnDataSend(const void *buf, size_t len)
{
#define CHARBUF_DESTROY \
ccn_charbuf_destroy(&message);\
ccn_charbuf_destroy(&path); \
ccn_charbuf_destroy(&seq);
UserDataBuf *userBuf = localUdb;
if (userBuf == NULL)
return -1;
int res = 0;
int seq_num = -1;
struct ccn_charbuf *message = ccn_charbuf_create();
struct ccn_charbuf *path = ccn_charbuf_create();
struct ccn_charbuf *seq = ccn_charbuf_create();
unsigned char *ccn_msg = NULL;
size_t ccn_msg_size = 0;
ccn_name_init(path);
seq_num = localSeq++;
ccn_name_from_uri(path, localUdb->user_name.toLocal8Bit().constData());
ccn_name_append_str(path, "audio");
if (seq_num < 0) {
res = -1;
CHARBUF_DESTROY;
return res;
}
ccn_charbuf_putf(seq, "%ld", seq_num);
ccn_name_append(path, seq->buf, seq->length);
struct ccn_charbuf *signed_info = ccn_charbuf_create();
if (cached_keystore == NULL)
init_cached_keystore();
ccn_charbuf *keylocator = ccn_charbuf_create();
ccn_create_keylocator(keylocator, ccn_keystore_public_key(cached_keystore));
/* Create signed_info */
res = ccn_signed_info_create(signed_info,
/* pubkeyid */ get_my_publisher_key_id(),
/* publisher_key_id_size */ get_my_publisher_key_id_length(),
/* datetime */ NULL,
/* type */ CCN_CONTENT_DATA,
/* freshness */ FRESHNESS,
/* finalblockid */ NULL,
/* keylocator */ keylocator);
if (res != 0) {
fprintf(stderr, "signed_info_create failed %d (line %d)\n", res, __LINE__);
}
if (isPrivate) {
unsigned char *enc_buf = NULL;
size_t enc_len = 0;
res = symEncrypt(sessionKey, NULL, (const unsigned char *)buf, len, &enc_buf, &enc_len, AES_BLOCK_SIZE);
if (res != 0) {
fprintf(stderr, "can not decrypt audio\n");
std::exit(1);
}
res = ccn_encode_ContentObject( /* out */ message,
path,
signed_info,
enc_buf, enc_len,
/* keyLocator */ NULL, get_my_private_key());
if (enc_buf != NULL) {
free(enc_buf);
enc_buf = NULL;
}
} else {
res = ccn_encode_ContentObject( /* out */ message,
path,
signed_info,
buf, len,
/* keyLocator */ NULL, get_my_private_key());
}
if (res != 0) {
fprintf(stderr, "encode_ContentObject failed %d (line %d)\n", res, __LINE__);
CHARBUF_DESTROY;
return res;
}
ccn_charbuf_destroy(&signed_info);
ccn_charbuf_destroy(&keylocator);
ccn_msg = (unsigned char *)calloc(1, message->length);
ccn_msg_size = message->length;
memcpy(ccn_msg, message->buf, message->length);
/*
{ struct ccn_parsed_ContentObject o = {0};
res = ccn_parse_ContentObject(ccn_msg, ccn_msg_size, &o, NULL);
if (res < 0) {
fprintf(stderr, "created bad ContentObject, res = %d\n", res);
abort();
}
}
*/
struct buf_list *p = NULL, *b = userBuf->data_buf.buflist;
while (b != NULL) { p = b; b = b->link; }
b = (struct buf_list*)calloc(1, sizeof(struct buf_list));
if (b == NULL) {
CHARBUF_DESTROY;
return -1;
}
if (p != NULL)
p->link = b;
else userBuf->data_buf.buflist = b;
b->buf = ccn_msg;
b->len = ccn_msg_size;
b->link = NULL;
CHARBUF_DESTROY;
return res;
}
int
main(int argc, char **argv)
{
struct ccn_keystore *keystore = NULL;
int res = 0;
struct ccn_charbuf *signed_info = ccn_charbuf_create();
int i;
int sec, usec;
char msgbuf[PAYLOAD_SIZE];
struct timeval start, end;
struct ccn_charbuf *message = ccn_charbuf_create();
struct ccn_charbuf *path = ccn_charbuf_create();
struct ccn_charbuf *seq = ccn_charbuf_create();
struct ccn_charbuf *temp = ccn_charbuf_create();
keystore = ccn_keystore_create();
ccn_charbuf_putf(temp, "%s/.ccnx/.ccnx_keystore", getenv("HOME"));
res = ccn_keystore_init(keystore,
ccn_charbuf_as_string(temp),
"Th1s1sn0t8g00dp8ssw0rd.");
if (res != 0) {
printf("Failed to initialize keystore %s\n", ccn_charbuf_as_string(temp));
exit(1);
}
ccn_charbuf_destroy(&temp);
res = ccn_signed_info_create(signed_info,
/* pubkeyid */ ccn_keystore_public_key_digest(keystore),
/* publisher_key_id_size */ ccn_keystore_public_key_digest_length(keystore),
/* datetime */ NULL,
/* type */ CCN_CONTENT_DATA,
/* freshness */ FRESHNESS,
/*finalblockid*/ NULL,
/* keylocator */ NULL);
srandom(time(NULL));
for (i=0; i<PAYLOAD_SIZE; i++) {
msgbuf[i] = random();
}
printf("Generating %d signed ContentObjects (one . per 100)\n", COUNT);
gettimeofday(&start, NULL);
for (i=0; i<COUNT; i++) {
if (i>0 && (i%100) == 0) {
printf(".");
fflush(stdout);
}
ccn_name_init(path);
ccn_name_append_str(path, "rtp");
ccn_name_append_str(path, "protocol");
ccn_name_append_str(path, "13.2.117.34");
ccn_name_append_str(path, "domain");
ccn_name_append_str(path, "smetters");
ccn_name_append_str(path, "principal");
ccn_name_append_str(path, "2021915340");
ccn_name_append_str(path, "id");
ccn_charbuf_putf(seq, "%u", i);
ccn_name_append(path, seq->buf, seq->length);
ccn_name_append_str(path, "seq");
res = ccn_encode_ContentObject(/* out */ message,
path, signed_info,
msgbuf, PAYLOAD_SIZE,
/* digest_algorithm */ NULL,
ccn_keystore_private_key(keystore));
ccn_charbuf_reset(message);
ccn_charbuf_reset(path);
ccn_charbuf_reset(seq);
}
gettimeofday(&end, NULL);
sec = end.tv_sec - start.tv_sec;
usec = (int)end.tv_usec - (int)start.tv_usec;
while (usec < 0) {
sec--;
usec += 1000000;
}
printf("\nComplete in %d.%06d secs\n", sec, usec);
return(0);
}
int
main(int argc, char *argv[])
{
struct ccn_charbuf *buffer;
struct ccn_charbuf *signed_info = ccn_charbuf_create();
struct ccn_skeleton_decoder dd = {0};
ssize_t res;
char *outname = NULL;
int result = 0;
char * contents[] = {"INVITE sip:[email protected] SIP/2.0\nVia: SIP/2.0/UDP 127.0.0.1:5060;rport;branch=z9hG4bK519044721\nFrom: <sip:[email protected]>;tag=2105643453\nTo: Test User <sip:[email protected]>\nCall-ID: [email protected]\nCSeq: 20 INVITE\nContact: <sip:[email protected]:5060>\nMax-Forwards: 70\nUser-Agent: Linphone-1.7.1/eXosip\nSubject: Phone call\nExpires: 120\nAllow: INVITE, ACK, CANCEL, BYE, OPTIONS, REFER, SUBSCRIBE, NOTIFY, MESSAGE\nContent-Type: application/sdp\nContent-Length: 448\n\nv=0\no=jthornto 123456 654321 IN IP4 127.0.0.1\ns=A conversation\nc=IN IP4 127.0.0.1\nt=0 0\nm=audio 7078 RTP/AVP 111 110 0 3 8 101\na=rtpmap:111 speex/16000/1\na=rtpmap:110 speex/8000/1\na=rtpmap:0 PCMU/8000/1\na=rtpmap:3 GSM/8000/1\na=rtpmap:8 PCMA/8000/1\na=rtpmap:101 telephone-event/8000\na=fmtp:101 0-11\nm=video 9078 RTP/AVP 97 98 99\na=rtpmap:97 theora/90000\na=rtpmap:98 H263-1998/90000\na=fmtp:98 CIF=1;QCIF=1\na=rtpmap:99 MP4V-ES/90000\n",
"Quaer #%2d zjduer badone",
"",
NULL};
char * paths[] = { "/sip/protocol/parc.com/domain/foo/principal/invite/verb/[email protected]/id",
"/d/e/f",
"/zero/length/content",
NULL};
struct path * cur_path = NULL;
struct ccn_keystore *keystore = ccn_keystore_create();
struct ccn_keystore *aes_keystore = ccn_aes_keystore_create();
char *keystore_name = NULL;
char *keystore_password = NULL;
char *aes_keystore_name = NULL;
unsigned char keybuf[32];
int i;
while ((i = getopt(argc, argv, "a:k:p:o:")) != -1) {
switch (i) {
case 'a':
aes_keystore_name = optarg;
break;
case 'k':
keystore_name = optarg;
break;
case 'p':
keystore_password = optarg;
break;
case 'o':
outname = optarg;
break;
default:
printf("Usage: %s [-k <keystore>] [-o <outfilename>]\n", argv[0]);
exit(1);
}
}
if (keystore_name == NULL)
keystore_name = "test.keystore";
if (aes_keystore_name == NULL)
aes_keystore_name = "test.aeskeystore";
if (keystore_password == NULL)
keystore_password = "******";
res = ccn_keystore_init(keystore, keystore_name, keystore_password);
if (res != 0) {
printf ("Initializing keystore in %s\n", keystore_name);
res = ccn_keystore_file_init(keystore_name, keystore_password,
"ccnxuser", 0, 3650);
if (res != 0) {
fprintf (stderr, "Cannot create keystore [%s]", keystore_name);
return res;
}
res = ccn_keystore_init(keystore, keystore_name, keystore_password);
if (res != 0) {
printf("Failed to initialize keystore\n");
exit(1);
}
}
res = ccn_aes_keystore_init(aes_keystore, aes_keystore_name, keystore_password);
if (res != 0) {
printf ("Initializing AES keystore in %s\n", aes_keystore_name);
ccn_generate_symmetric_key(keybuf, 256);
res = ccn_aes_keystore_file_init(aes_keystore_name, keystore_password, keybuf, 256);
if (res != 0) {
fprintf (stderr, "Cannot create keystore [%s]", keystore_name);
return res;
}
res = ccn_aes_keystore_init(aes_keystore, aes_keystore_name, keystore_password);
if (res != 0) {
printf("Failed to initialize keystore\n");
exit(1);
}
}
printf("Creating signed_info\n");
res = ccn_signed_info_create(signed_info,
/*pubkeyid*/ccn_keystore_key_digest(keystore),
/*publisher_key_id_size*/ccn_keystore_key_digest_length(keystore),
/*timestamp*/NULL,
/*type*/CCN_CONTENT_GONE,
/*freshness*/ 42,
/*finalblockid*/NULL,
/*keylocator*/NULL);
if (res < 0) {
printf("Failed to create signed_info!\n");
}
res = ccn_skeleton_decode(&dd, signed_info->buf, signed_info->length);
if (!(res == signed_info->length && dd.state == 0)) {
printf("Failed to decode signed_info! Result %d State %d\n", (int)res, dd.state);
result = 1;
}
memset(&dd, 0, sizeof(dd));
printf("Done with signed_info\n");
result = encode_sample_test(ccn_keystore_key(keystore), ccn_keystore_public_key(keystore),
ccn_keystore_digest_algorithm(keystore), paths, contents, signed_info, outname);
if (! result) {
result = encode_sample_test(ccn_keystore_key(aes_keystore), ccn_keystore_key(aes_keystore),
ccn_keystore_digest_algorithm(aes_keystore),
paths, contents, signed_info, outname);
}
/* Now exercise as unit tests */
for (i = 0; paths[i] != NULL && contents[i] != NULL; i++) {
printf("Unit test case %d\n", i);
cur_path = path_create(paths[i]);
buffer = ccn_charbuf_create();
if (encode_message(buffer, cur_path, contents[i], strlen(contents[i]), signed_info,
ccn_keystore_key(keystore), ccn_keystore_digest_algorithm(keystore))) {
printf("Failed encode\n");
result = 1;
} else if (decode_message(buffer, cur_path, contents[i], strlen(contents[i]),
ccn_keystore_public_key(keystore))) {
printf("Failed decode\n");
result = 1;
}
ccn_charbuf_destroy(&buffer);
buffer = ccn_charbuf_create();
if (encode_message(buffer, cur_path, contents[i], strlen(contents[i]), signed_info,
ccn_keystore_key(aes_keystore), ccn_keystore_digest_algorithm(aes_keystore))) {
printf("Failed encode\n");
result = 1;
} else if (decode_message(buffer, cur_path, contents[i], strlen(contents[i]), ccn_keystore_key(aes_keystore))) {
printf("Failed decode\n");
result = 1;
}
path_destroy(&cur_path);
ccn_charbuf_destroy(&buffer);
}
/* Test the uri encode / decode routines */
init_all_chars_percent_encoded();
init_all_chars_mixed_encoded();
const char *uri_tests[] = {
"_+4", "ccnx:/this/is/a/test", "", "ccnx:/this/is/a/test",
".+4", "../test2?x=2", "?x=2", "ccnx:/this/is/a/test2",
"_-X", "../should/error", "", "",
"_+2", "/missing/scheme", "", "ccnx:/missing/scheme",
".+0", "../../../../../././#/", "#/", "ccnx:/",
".+1", all_chars_percent_encoded, "", all_chars_percent_encoded_canon,
"_+1", all_chars_percent_encoded_canon, "", all_chars_percent_encoded_canon,
".+4", "ccnx:/.../.%2e./...././.....///?...", "?...", "ccnx:/.../.../..../.....",
"_-X", "/%3G?bad-pecent-encode", "", "",
"_-X", "/%3?bad-percent-encode", "", "",
"_-X", "/%#bad-percent-encode", "", "",
"_+3", "ccnx://[email protected]:42/ignore/host/part of uri", "", "ccnx:/ignore/host/part%20of%20uri",
NULL, NULL, NULL, NULL
};
const char **u;
struct ccn_charbuf *uri_out = ccn_charbuf_create();
buffer = ccn_charbuf_create();
for (u = uri_tests; *u != NULL; u += 4, i++) {
printf("Unit test case %d\n", i);
if (u[0][0] != '.')
buffer->length = 0;
res = ccn_name_from_uri(buffer, u[1]);
if (!expected_res(res, u[0][1])) {
printf("Failed: ccn_name_from_uri wrong res %d\n", (int)res);
result = 1;
}
if (res >= 0) {
if (res > strlen(u[1])) {
printf("Failed: ccn_name_from_uri long res %d\n", (int)res);
result = 1;
}
else if (0 != strcmp(u[1] + res, u[2])) {
printf("Failed: ccn_name_from_uri expecting leftover '%s', got '%s'\n", u[2], u[1] + res);
result = 1;
}
uri_out->length = 0;
res = ccn_uri_append(uri_out, buffer->buf, buffer->length,
CCN_URI_PERCENTESCAPE | CCN_URI_INCLUDESCHEME);
if (!expected_res(res, u[0][2])) {
printf("Failed: ccn_uri_append wrong res %d\n", (int)res);
result = 1;
}
if (res >= 0) {
if (uri_out->length != strlen(u[3])) {
printf("Failed: ccn_uri_append produced wrong number of characters\n");
result = 1;
}
ccn_charbuf_reserve(uri_out, 1)[0] = 0;
if (0 != strcmp((const char *)uri_out->buf, u[3])) {
printf("Failed: ccn_uri_append produced wrong output\n");
printf("Expected: %s\n", u[3]);
printf(" Actual: %s\n", (const char *)uri_out->buf);
result = 1;
}
}
}
}
ccn_charbuf_destroy(&buffer);
ccn_charbuf_destroy(&uri_out);
printf("Name marker tests\n");
do {
const char *expected_uri = "ccnx:/example.com/.../%01/%FE/%01%02%03%04%05%06%07%08/%FD%10%10%10%10%1F%FF/%00%81";
const char *expected_chopped_uri = "ccnx:/example.com/.../%01/%FE";
const char *expected_bumped_uri = "ccnx:/example.com/.../%01/%FF";
const char *expected_bumped2_uri = "ccnx:/example.com/.../%01/%00%00";
printf("Unit test case %d\n", i++);
buffer = ccn_charbuf_create();
uri_out = ccn_charbuf_create();
res = ccn_name_init(buffer);
res |= ccn_name_append_str(buffer, "example.com");
res |= ccn_name_append_numeric(buffer, CCN_MARKER_NONE, 0);
res |= ccn_name_append_numeric(buffer, CCN_MARKER_NONE, 1);
res |= ccn_name_append_numeric(buffer, 0xFE, 0);
res |= ccn_name_append_numeric(buffer, CCN_MARKER_NONE, 0x0102030405060708ULL);
res |= ccn_name_append_numeric(buffer, CCN_MARKER_VERSION, 0x101010101FFFULL);
res |= ccn_name_append_numeric(buffer, CCN_MARKER_SEQNUM, 129);
res |= ccn_uri_append(uri_out, buffer->buf, buffer->length,
CCN_URI_PERCENTESCAPE | CCN_URI_INCLUDESCHEME);
if (res < 0) {
printf("Failed: name marker tests had negative res\n");
result = 1;
}
if (0 != strcmp(ccn_charbuf_as_string(uri_out), expected_uri)) {
printf("Failed: name marker tests produced wrong output\n");
printf("Expected: %s\n", expected_uri);
printf(" Actual: %s\n", (const char *)uri_out->buf);
result = 1;
}
res = ccn_name_chop(buffer, NULL, 100);
if (res != -1) {
printf("Failed: ccn_name_chop did not produce error \n");
result = 1;
}
res = ccn_name_chop(buffer, NULL, 4);
if (res != 4) {
printf("Failed: ccn_name_chop got wrong length\n");
result = 1;
}
uri_out->length = 0;
ccn_uri_append(uri_out, buffer->buf, buffer->length, CCN_URI_INCLUDESCHEME);
if (0 != strcmp(ccn_charbuf_as_string(uri_out), expected_chopped_uri)) {
printf("Failed: ccn_name_chop botch\n");
printf("Expected: %s\n", expected_chopped_uri);
printf(" Actual: %s\n", (const char *)uri_out->buf);
result = 1;
}
res = ccn_name_next_sibling(buffer);
if (res != 4) {
printf("Failed: ccn_name_next_sibling got wrong length\n");
result = 1;
}
uri_out->length = 0;
ccn_uri_append(uri_out, buffer->buf, buffer->length, CCN_URI_INCLUDESCHEME);
if (0 != strcmp(ccn_charbuf_as_string(uri_out), expected_bumped_uri)) {
printf("Failed: ccn_name_next_sibling botch\n");
printf("Expected: %s\n", expected_bumped_uri);
printf(" Actual: %s\n", (const char *)uri_out->buf);
result = 1;
}
ccn_name_next_sibling(buffer);
uri_out->length = 0;
ccn_uri_append(uri_out, buffer->buf, buffer->length,
CCN_URI_PERCENTESCAPE | CCN_URI_INCLUDESCHEME);
if (0 != strcmp(ccn_charbuf_as_string(uri_out), expected_bumped2_uri)) {
printf("Failed: ccn_name_next_sibling botch\n");
printf("Expected: %s\n", expected_bumped2_uri);
printf(" Actual: %s\n", (const char *)uri_out->buf);
result = 1;
}
ccn_charbuf_destroy(&buffer);
ccn_charbuf_destroy(&uri_out);
} while (0);
do {
const char *expected_uri_mixed = "ccnx:/example.com/.../%01/%FE/=0102030405060708/=FD101010101FFF/=0081";
printf("Unit test case %d\n", i++);
buffer = ccn_charbuf_create();
uri_out = ccn_charbuf_create();
res = ccn_name_init(buffer);
res |= ccn_name_append_str(buffer, "example.com");
res |= ccn_name_append_numeric(buffer, CCN_MARKER_NONE, 0);
res |= ccn_name_append_numeric(buffer, CCN_MARKER_NONE, 1);
res |= ccn_name_append_numeric(buffer, 0xFE, 0);
res |= ccn_name_append_numeric(buffer, CCN_MARKER_NONE, 0x0102030405060708ULL);
res |= ccn_name_append_numeric(buffer, CCN_MARKER_VERSION, 0x101010101FFFULL);
res |= ccn_name_append_numeric(buffer, CCN_MARKER_SEQNUM, 129);
res |= ccn_uri_append(uri_out, buffer->buf, buffer->length,
CCN_URI_MIXEDESCAPE | CCN_URI_INCLUDESCHEME);
if (res < 0) {
printf("Failed: name marker tests had negative res\n");
result = 1;
}
if (0 != strcmp(ccn_charbuf_as_string(uri_out), expected_uri_mixed)) {
printf("Failed: name marker tests produced wrong output\n");
printf("Expected: %s\n", expected_uri_mixed);
printf(" Actual: %s\n", (const char *)uri_out->buf);
result = 1;
}
ccn_charbuf_destroy(&buffer);
ccn_charbuf_destroy(&uri_out);
} while (0);
printf("Empty component encoding test\n");
do {
struct ccn_charbuf *name = ccn_charbuf_create();
struct ccn_charbuf *expected_encoding = ccn_charbuf_create();
/* manually create an encoding of <Name><Component/></Name> to ensure
* that the regular encoders do not create a 0-length blob as part of
* the empty component.
*/
ccnb_element_begin(expected_encoding, CCN_DTAG_Name);
ccnb_element_begin(expected_encoding, CCN_DTAG_Component);
ccnb_element_end(expected_encoding);
ccnb_element_end(expected_encoding);
ccn_name_from_uri(name, "ccnx:/...");
if (expected_encoding->length != name->length) {
printf("Failed: encoding length %u but expected %u\n", (unsigned) name->length,
(unsigned)expected_encoding->length);
result = 1;
}
for (i = 0; i < expected_encoding->length; i++) {
if (expected_encoding->buf[i] != name->buf[i]) {
printf("Failed: encoding mismatch at %d, got %d but expected %d\n",
i, name->buf[i], expected_encoding->buf[i]);
result = 1;
}
}
} while (0);
printf("Timestamp tests\n");
do {
intmax_t sec;
int nsec;
int r;
int f;
struct ccn_charbuf *a[2];
int t0 = 1363899678;
printf("Unit test case %d\n", i++);
/* Run many increasing inputs and make sure the output is in order. */
a[0] = ccn_charbuf_create();
a[1] = ccn_charbuf_create();
ccnb_append_timestamp_blob(a[1], CCN_MARKER_NONE, t0 - 1, 0);
for (f = 0, nsec = 0, sec = t0; sec < t0 + 20; nsec += 122099) {
while (nsec >= 1000000000) {
sec++;
nsec -= 1000000000;
}
ccn_charbuf_reset(a[f]);
r = ccnb_append_timestamp_blob(a[f], CCN_MARKER_NONE, sec, nsec);
if (r != 0 || a[f]->length != 7 || memcmp(a[1-f]->buf, a[f]->buf, 6) > 0) {
printf("Failed ccnb_append_timestamp_blob(...,%jd,%d)\n", sec, nsec);
result = 1;
}
f = 1 - f;
}
ccn_charbuf_destroy(&a[0]);
ccn_charbuf_destroy(&a[1]);
} while (0);
printf("Message digest tests\n");
do {
printf("Unit test case %d\n", i++);
struct ccn_digest *dg = ccn_digest_create(CCN_DIGEST_SHA256);
if (dg == NULL) {
printf("Failed: ccn_digest_create returned NULL\n");
result = 1;
break;
}
printf("Unit test case %d\n", i++);
const unsigned char expected_digest[] = {
0xb3, 0x82, 0xcd, 0xb0, 0xe9, 0x5d, 0xf7, 0x3b, 0xe7, 0xdc, 0x19, 0x81, 0x3a, 0xfd, 0xdf, 0x89, 0xfb, 0xd4, 0xd4, 0xa0, 0xdb, 0x11, 0xa6, 0xba, 0x24, 0x16, 0x5b, 0xad, 0x9d, 0x90, 0x72, 0xb0
};
unsigned char actual_digest[sizeof(expected_digest)] = {0};
const char *data = "Content-centric";
if (ccn_digest_size(dg) != sizeof(expected_digest)) {
printf("Failed: wrong digest size\n");
result = 1;
break;
}
printf("Unit test case %d\n", i++);
ccn_digest_init(dg);
res = ccn_digest_update(dg, data, strlen(data));
if (res != 0)
printf("Warning: check res %d\n", (int)res);
printf("Unit test case %d\n", i++);
res = ccn_digest_final(dg, actual_digest, sizeof(expected_digest));
if (res != 0)
printf("Warning: check res %d\n", (int)res);
if (0 != memcmp(actual_digest, expected_digest, sizeof(expected_digest))) {
printf("Failed: wrong digest\n");
result = 1;
break;
}
} while (0);
printf("Really basic PRNG test\n");
do {
unsigned char r1[42];
unsigned char r2[42];
printf("Unit test case %d\n", i++);
ccn_add_entropy(&i, sizeof(i), 0); /* Not much entropy, really. */
ccn_random_bytes(r1, sizeof(r1));
memcpy(r2, r1, sizeof(r2));
ccn_random_bytes(r2, sizeof(r2));
if (0 == memcmp(r1, r2, sizeof(r2))) {
printf("Failed: badly broken PRNG\n");
result = 1;
break;
}
} while (0);
printf("Bloom filter tests\n");
do {
unsigned char seed1[4] = "1492";
const char *a[13] = {
"one", "two", "three", "four",
"five", "six", "seven", "eight",
"nine", "ten", "eleven", "twelve",
"thirteen"
};
struct ccn_bloom *b1 = NULL;
struct ccn_bloom *b2 = NULL;
int j, k, t1, t2;
unsigned short us;
printf("Unit test case %d\n", i++);
b1 = ccn_bloom_create(13, seed1);
for (j = 0; j < 13; j++)
if (ccn_bloom_match(b1, a[j], strlen(a[j]))) break;
if (j < 13) {
printf("Failed: \"%s\" matched empty Bloom filter\n", a[j]);
result = 1;
break;
}
printf("Unit test case %d\n", i++);
for (j = 0; j < 13; j++)
ccn_bloom_insert(b1, a[j], strlen(a[j]));
for (j = 0; j < 13; j++)
if (!ccn_bloom_match(b1, a[j], strlen(a[j]))) break;
if (j < 13) {
printf("Failed: \"%s\" not found when it should have been\n", a[j]);
result = 1;
break;
}
printf("Unit test case %d\n", i++);
for (j = 0, k = 0; j < 13; j++)
if (ccn_bloom_match(b1, a[j]+1, strlen(a[j]+1)))
k++;
if (k > 0) {
printf("Mmm, found %d false positives\n", k);
if (k > 2) {
result = 1;
break;
}
}
unsigned char seed2[5] = "aqfb\0";
for (; seed2[3] <= 'f'; seed2[3]++) {
printf("Unit test case %d (%4s) ", i++, seed2);
b2 = ccn_bloom_create(13, seed2);
for (j = 0; j < 13; j++)
ccn_bloom_insert(b2, a[j], strlen(a[j]));
for (j = 0, k = 0, us = ~0; us > 0; us--) {
t1 = ccn_bloom_match(b1, &us, sizeof(us));
t2 = ccn_bloom_match(b2, &us, sizeof(us));
j += (t1 | t2);
k += (t1 & t2);
}
printf("either=%d both=%d wiresize=%d\n", j, k, ccn_bloom_wiresize(b1));
if (k > 12) {
printf("Failed: Bloom seeding may not be effective\n");
result = 1;
}
ccn_bloom_destroy(&b2);
}
ccn_bloom_destroy(&b1);
} while (0);
printf("ccn_sign_content() tests\n");
do {
struct ccn *h = ccn_create();
int res;
res = unit_tests_for_signing(h, &i, 0);
if (res == 1)
result = 1;
printf("Unit test case %d\n", i++);
ccn_destroy(&h);
} while (0);
do {
struct ccn *h = ccn_create();
int res;
res = ccn_load_default_key(h, aes_keystore_name, keystore_password);
if (res < 0) {
result = 1;
printf("Failed: res == %d\n", (int)res);
} else
res = unit_tests_for_signing(h, &i, 1);
if (res == 1)
result = 1;
printf("Unit test case %d\n", i++);
ccn_destroy(&h);
} while (0);
printf("link tests\n");
printf("link tests\n");
do {
struct ccn_charbuf *l = ccn_charbuf_create();
struct ccn_charbuf *name = ccn_charbuf_create();
struct ccn_parsed_Link pl = {0};
struct ccn_buf_decoder decoder;
struct ccn_buf_decoder *d;
struct ccn_indexbuf *comps = ccn_indexbuf_create();
printf("Unit test case %d\n", i++);
ccn_name_from_uri(name, "ccnx:/test/link/name");
ccnb_append_Link(l, name, "label", NULL);
d = ccn_buf_decoder_start(&decoder, l->buf, l->length);
res = ccn_parse_Link(d, &pl, comps);
if (res != 3 /* components in name */) {
printf("Failed: ccn_parse_Link res == %d\n", (int)res);
result = 1;
}
} while (0);
exit(result);
}
