// this will set the default inactivity timeout using this event timer and our uid
uint32_t e3x_channel_timeout(e3x_channel_t c, e3x_event_t ev, uint32_t timeout)
{
if(!c) return 0;
// un-set any
if(ev != c->ev)
{
// cancel and clearn any previous timer state
c->timeout = 0;
if(c->ev) e3x_event_set(c->ev,NULL,c->uid,0);
c->ev = NULL;
lob_free(c->timer);
c->timer = NULL;
}
// no event manager, no timeouts
if(!ev) return 0;
// no timeout, just return how much time is left
if(!timeout) return _time_left(c);
// add/update new timeout
c->tsince = util_sys_seconds(); // start timer now
c->timeout = timeout;
c->ev = ev;
c->timer = lob_new();
lob_set_uint(c->timer,"c",c->id);
lob_set(c->timer, "id", c->uid);
lob_set(c->timer, "err", "timeout");
e3x_event_set(c->ev, c->timer, lob_get(c->timer, "id"), timeout*1000); // ms in the future
return _time_left(c);
}
// get link info json
lob_t link_json(link_t link)
{
char hex[3];
lob_t json;
if(!link) return LOG("bad args");
json = lob_new();
lob_set(json,"hashname",hashname_char(link->id));
lob_set(json,"csid",util_hex(&link->csid, 1, hex));
lob_set_base32(json,"key",link->key->body,link->key->body_len);
// paths = lob_array(mesh->paths);
// lob_set_raw(json,"paths",0,(char*)paths->head,paths->head_len);
// lob_free(paths);
return json;
}
net_tcp4_t net_tcp4_new(mesh_t mesh, lob_t options)
{
int port, sock, pipes, opt = 1;
net_tcp4_t net;
struct sockaddr_in sa;
socklen_t size = sizeof(struct sockaddr_in);
port = lob_get_int(options,"port");
pipes = lob_get_int(options,"pipes");
if(!pipes) pipes = 11; // hashtable for active pipes
// create a udp socket
if((sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP) ) < 0 ) return LOG("failed to create socket %s",strerror(errno));
memset(&sa,0,sizeof(sa));
sa.sin_family = AF_INET;
sa.sin_port = htons(port);
sa.sin_addr.s_addr = htonl(INADDR_ANY);
if(bind(sock, (struct sockaddr*)&sa, size) < 0) return LOG("bind failed %s",strerror(errno));
getsockname(sock, (struct sockaddr*)&sa, &size);
if(listen(sock, 10) < 0) return LOG("listen failed %s",strerror(errno));
setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (const void *)&opt , sizeof(int));
fcntl(sock, F_SETFL, O_NONBLOCK);
if(!(net = malloc(sizeof (struct net_tcp4_struct)))) return LOG("OOM");
memset(net,0,sizeof (struct net_tcp4_struct));
net->server = sock;
net->port = ntohs(sa.sin_port);
net->pipes = xht_new(pipes);
// connect us to this mesh
net->mesh = mesh;
xht_set(mesh->index, MUID, net);
mesh_on_path(mesh, MUID, tcp4_path);
// convenience
net->path = lob_new();
lob_set(net->path,"type","tcp4");
lob_set(net->path,"ip","127.0.0.1");
lob_set_int(net->path,"port",net->port);
return net;
}
// return >0 if this alg is supported
uint8_t jwt_alg(char *alg)
{
uint8_t err;
lob_t test = lob_new();
lob_set(test,"alg",alg);
// TODO refactor how this is checked
err = e3x_exchange_validate(NULL, test, NULL, (uint8_t*)"x", 1);
lob_free(test);
return (err == 1) ? 0 : 1;
}
// get paths from host and query
lob_t util_uri_paths(lob_t uri)
{
uint32_t i;
uint16_t port;
uint8_t *buf;
size_t len;
char *key, *value;
lob_t paths, query = lob_linked(uri);
if(!query) return NULL;
paths = NULL;
// gen paths from host/port
if((port = lob_get_uint(uri,"port")))
{
key = lob_get(uri,"host");
paths = lob_chain(paths);
lob_set(paths,"type","upd4");
lob_set(paths,"ip",key);
lob_set_uint(paths,"port",port);
paths = lob_chain(paths);
lob_set(paths,"type","tcp4");
lob_set(paths,"ip",key);
lob_set_uint(paths,"port",port);
}
// loop through all keyval pairs to find paths
buf = NULL;
for(i=0;(key = lob_get_index(query,i));i+=2)
{
value = lob_get_index(query,i+1);
if(util_cmp(key,"paths") != 0 || !value) continue;
len = base32_decode_floor(strlen(value));
buf = util_reallocf(buf,len);
if(!buf) continue;
if(base32_decode(value,strlen(value),buf,len) < len) continue;
paths = lob_link(lob_parse(buf,len), paths);
}
free(buf);
return paths;
}
// return the best current URI to this endpoint, optional base uri
char *mesh_uri(mesh_t mesh, char *base)
{
lob_t uri;
if(!mesh) return LOG_ERROR("bad args");
// TODO use a router-provided base
uri = util_uri_parse(base?base:"link://127.0.0.1");
// set best current values
util_uri_add_keys(uri, mesh->keys);
if(mesh->port_local) lob_set_uint(uri, "port", mesh->port_local);
if(mesh->port_public) lob_set_uint(uri, "port", mesh->port_public);
if(mesh->ipv4_local) lob_set(uri, "hostname", mesh->ipv4_local);
if(mesh->ipv4_public) lob_set(uri, "hostname", mesh->ipv4_public);
// save/return new encoded output
if(mesh->uri) free(mesh->uri);
mesh->uri = strdup(util_uri_format(uri));
lob_free(uri);
return mesh->uri;
}
// generate json of mesh keys and current paths
lob_t mesh_json(mesh_t mesh)
{
lob_t json, paths;
if(!mesh) return LOG_ERROR("bad args");
json = lob_new();
lob_set(json,"hashname",hashname_char(mesh->id));
lob_set_raw(json,"keys",0,(char*)mesh->keys->head,mesh->keys->head_len);
paths = lob_array(mesh->paths);
lob_set_raw(json,"paths",0,(char*)paths->head,paths->head_len);
lob_free(paths);
return json;
}
lob_t util_uri_add_keys(lob_t uri, lob_t keys)
{
uint32_t i;
char *key, *value, csid[5];
lob_t query = lob_linked(uri);
if(!uri || !keys) return NULL;
if(!query)
{
query = lob_new();
lob_link(uri, query);
}
for(i=0;(key = lob_get_index(keys,i));i+=2)
{
value = lob_get_index(keys,i+1);
if(strlen(key) != 2 || !value) continue; // paranoid
snprintf(csid,5,"cs%s",key);
lob_set(query,csid,value);
}
return uri;
}
// chunk the packet out
void thtp_send(chan_t c, lob_t req)
{
lob_t chunk;
unsigned char *raw;
unsigned short len, space;
if(!c || !req) return;
DEBUG_PRINTF("THTP sending %.*s %.*s",req->json_len,req->json,req->body_len,req->body);
raw = lob_raw(req);
len = lob_len(req);
while(len)
{
chunk = chan_packet(c);
if(!chunk) return; // TODO backpressure
space = lob_space(chunk);
if(space > len) space = len;
lob_body(chunk,raw,space);
if(len==space) lob_set(chunk,"end","true",4);
chan_send(c,chunk);
raw+=space;
len-=space;
}
}
// just a convenience, generates handshake w/ current e3x_exchange_at value
lob_t e3x_exchange_handshake(e3x_exchange_t x, lob_t inner)
{
lob_t tmp;
uint8_t i;
uint8_t local = 0;
if(!x) return LOG("invalid args");
if(!x->out) return LOG("no out set");
// create deprecated key handshake inner from all supported csets
if(!inner)
{
local = 1;
inner = lob_new();
lob_set(inner, "type", "key");
// loop through all ciphersets for any keys
for(i=0; i<CS_MAX; i++)
{
if(!(tmp = x->self->keys[i])) continue;
// this csid's key is the body, rest is intermediate in json
if(e3x_cipher_sets[i] == x->cs)
{
lob_body(inner,tmp->body,tmp->body_len);
}else{
uint8_t hash[32];
e3x_hash(tmp->body,tmp->body_len,hash);
lob_set_base32(inner,e3x_cipher_sets[i]->hex,hash,32);
}
}
}
// set standard values
lob_set_uint(inner,"at",x->out);
tmp = e3x_exchange_message(x, inner);
if(!local) return tmp;
return lob_link(tmp, inner);
}
int main(int argc, char **argv)
{
hashname_t hn;
fail_unless(e3x_init(NULL) == 0);
hn = hashname_vchar("uvabrvfqacyvgcu8kbrrmk9apjbvgvn2wjechqr3vf9c1zm3hv7g");
fail_unless(!hn);
hn = hashname_vchar("jvdoio6kjvf3yqnxfvck43twaibbg4pmb7y3mqnvxafb26rqllwa");
fail_unless(hn);
fail_unless(strlen(hashname_char(hn)) == 52);
hashname_free(hn);
// create intermediate fixture
lob_t im = lob_new();
lob_set(im,"1a","ym7p66flpzyncnwkzxv2qk5dtosgnnstgfhw6xj2wvbvm7oz5oaq");
lob_set(im,"3a","bmxelsxgecormqjlnati6chxqua7wzipxliw5le35ifwxlge2zva");
hn = hashname_vkey(im, 0);
fail_unless(hn);
fail_unless(util_cmp(hashname_char(hn),"jvdoio6kjvf3yqnxfvck43twaibbg4pmb7y3mqnvxafb26rqllwa") == 0);
lob_t keys = lob_new();
lob_set(keys,"1a","vgjz3yjb6cevxjomdleilmzasbj6lcc7");
lob_set(keys,"3a","hp6yglmmqwcbw5hno37uauh6fn6dx5oj7s5vtapaifrur2jv6zha");
hn = hashname_vkeys(keys);
fail_unless(hn);
fail_unless(util_cmp(hashname_char(hn),"jvdoio6kjvf3yqnxfvck43twaibbg4pmb7y3mqnvxafb26rqllwa") == 0);
fail_unless(hashname_id(NULL,NULL) == 0);
fail_unless(hashname_id(im,keys) == 0x3a);
lob_t test = lob_new();
lob_set(test,"1a","test");
lob_set(test,"2a","test");
fail_unless(hashname_id(keys,test) == 0x1a);
// check short utils
hn = hashname_schar("uvabrvfq");
fail_unless(hn);
fail_unless(hashname_isshort(hn));
fail_unless(util_cmp(hashname_short(hn),"uvabrvfq") == 0);
return 0;
}
// process any unencrypted handshake packet
link_t mesh_receive_handshake(mesh_t mesh, lob_t handshake, pipe_t pipe)
{
uint32_t now;
hashname_t from;
link_t link;
if(!mesh || !handshake) return LOG("bad args");
if(!lob_get(handshake,"id"))
{
LOG("bad handshake, no id: %s",lob_json(handshake));
lob_free(handshake);
return NULL;
}
now = util_sys_seconds();
// normalize handshake
handshake->id = now; // save when we cached it
if(!lob_get(handshake,"type")) lob_set(handshake,"type","link"); // default to link type
if(!lob_get_uint(handshake,"at")) lob_set_uint(handshake,"at",now); // require an at
LOG("handshake at %d id %s",now,lob_get(handshake,"id"));
// validate/extend link handshakes immediately
if(util_cmp(lob_get(handshake,"type"),"link") == 0)
{
// get the csid
uint8_t csid = 0;
lob_t outer;
if((outer = lob_linked(handshake)))
{
csid = outer->head[0];
}else if(lob_get(handshake,"csid")){
util_unhex(lob_get(handshake,"csid"),2,&csid);
}
if(!csid)
{
LOG("bad link handshake, no csid: %s",lob_json(handshake));
lob_free(handshake);
return NULL;
}
char hexid[3] = {0};
util_hex(&csid, 1, hexid);
// get attached hashname
lob_t tmp = lob_parse(handshake->body, handshake->body_len);
from = hashname_vkey(tmp, csid);
if(!from)
{
LOG("bad link handshake, no hashname: %s",lob_json(handshake));
lob_free(tmp);
lob_free(handshake);
return NULL;
}
lob_set(handshake,"csid",hexid);
lob_set(handshake,"hashname",hashname_char(from));
lob_set_raw(handshake,hexid,2,"true",4); // intermediate format
lob_body(handshake, tmp->body, tmp->body_len); // re-attach as raw key
lob_free(tmp);
// short-cut, if it's a key from an existing link, pass it on
// TODO: using mesh_linked here is a stack issue during loopback peer test!
if((link = mesh_linkid(mesh,from))) return link_receive_handshake(link, handshake, pipe);
LOG("no link found for handshake from %s",hashname_char(from));
// extend the key json to make it compatible w/ normal patterns
tmp = lob_new();
lob_set_base32(tmp,hexid,handshake->body,handshake->body_len);
lob_set_raw(handshake,"keys",0,(char*)tmp->head,tmp->head_len);
lob_free(tmp);
// add the path if one
if(pipe && pipe->path)
{
char *paths = malloc(pipe->path->head_len+3);
sprintf(paths,"[%.*s]",(int)pipe->path->head_len,(char*)pipe->path->head);
lob_set_raw(handshake,"paths",0,paths,pipe->path->head_len+2);
free(paths);
}
}
// always add to the front of the cached list if needed in the future
mesh->cached = lob_unshift(mesh->cached, handshake);
// tell anyone listening about the newly discovered handshake
mesh_discover(mesh, handshake, pipe);
return NULL;
}
int main(int argc, char **argv)
{
lob_t packet;
packet = lob_new();
fail_unless(packet);
lob_free(packet);
uint8_t buf[1024];
char *hex = "001d7b2274797065223a2274657374222c22666f6f223a5b22626172225d7d616e792062696e61727921";
uint8_t len = strlen(hex)/2;
util_unhex(hex,strlen(hex),buf);
packet = lob_parse(buf,len);
fail_unless(packet);
fail_unless(lob_len(packet));
fail_unless(packet->head_len == 29);
fail_unless(packet->body_len == 11);
fail_unless(util_cmp(lob_get(packet,"type"),"test") == 0);
fail_unless(util_cmp(lob_get(packet,"foo"),"[\"bar\"]") == 0);
lob_free(packet);
packet = lob_new();
lob_set_base32(packet,"32",buf,len);
fail_unless(lob_get(packet,"32"));
fail_unless(strlen(lob_get(packet,"32")) == (base32_encode_length(len)-1));
lob_t bin = lob_get_base32(packet,"32");
fail_unless(bin);
fail_unless(bin->body_len == len);
lob_set(packet,"key","value");
fail_unless(lob_keys(packet) == 2);
// test sorting
lob_set(packet,"zz","value");
lob_set(packet,"a","value");
lob_set(packet,"z","value");
lob_sort(packet);
fail_unless(util_cmp(lob_get_index(packet,0),"32") == 0);
fail_unless(util_cmp(lob_get_index(packet,2),"a") == 0);
fail_unless(util_cmp(lob_get_index(packet,4),"key") == 0);
fail_unless(util_cmp(lob_get_index(packet,6),"z") == 0);
fail_unless(util_cmp(lob_get_index(packet,8),"zz") == 0);
lob_free(packet);
// minimal comparison test
lob_t a = lob_new();
lob_set(a,"foo","bar");
lob_t b = lob_new();
lob_set(b,"foo","bar");
fail_unless(lob_cmp(a,b) == 0);
lob_set(b,"bar","foo");
fail_unless(lob_cmp(a,b) != 0);
// lots of basic list testing
lob_t list = lob_new();
lob_t item = lob_new();
fail_unless(lob_push(list,item));
fail_unless(lob_pop(list) == item);
list = item->next;
fail_unless((list = lob_unshift(list,item)));
fail_unless(lob_shift(list) == item);
list = item->next;
fail_unless(lob_push(list,item));
fail_unless(list->next == item);
lob_t insert = lob_new();
fail_unless(lob_insert(list,list,insert));
fail_unless(list->next == insert);
fail_unless(insert->next == item);
fail_unless(lob_splice(list,insert));
fail_unless(list->next == item);
lob_t array = lob_array(list);
fail_unless(array);
fail_unless(util_cmp(lob_json(array),"[,]") == 0);
fail_unless(lob_freeall(list) == NULL);
// simple index testing
lob_t index = lob_new();
lob_t c1 = lob_new();
lob_set(c1,"id","c1");
lob_push(index,c1);
lob_t c2 = lob_new();
lob_set(c2,"id","c2");
lob_push(index,c2);
fail_unless(lob_match(index,"id","c1") == c1);
fail_unless(lob_match(index,"id","c2") == c2);
float f = 42.42;
lob_t ft = lob_new();
lob_head(ft,(uint8_t*)"{\"foo\":42.42}",13);
fail_unless(lob_get_float(ft,"foo") == f);
lob_set_float(ft,"bar2",f,2);
fail_unless(lob_get_float(ft,"bar2") == f);
lob_set_float(ft,"bar1",f,1);
fail_unless(lob_get_cmp(ft,"bar1","42.4") == 0);
lob_set_float(ft,"bar0",f,0);
fail_unless(lob_get_int(ft,"bar0") == 42);
LOG("floats %s",lob_json(ft));
return 0;
}
int main(int argc, char **argv)
{
fail_unless(!e3x_init(NULL)); // random seed
mesh_t meshA = mesh_new();
fail_unless(meshA);
lob_t keyA = lob_new();
lob_set(keyA,"1a",A_KEY);
lob_t secA = lob_new();
lob_set(secA,"1a",A_SEC);
fail_unless(!mesh_load(meshA,secA,keyA));
mesh_on_discover(meshA,"auto",mesh_add);
lob_t keyB = lob_new();
lob_set(keyB,"1a",B_KEY);
hashname_t hnB = hashname_vkeys(keyB);
fail_unless(hnB);
link_t linkAB = link_get(meshA,hnB);
fail_unless(linkAB);
netA = tmesh_new(meshA, "test", NULL);
fail_unless(netA);
netA->sort = driver_sort;
netA->schedule = driver_schedule;
netA->advance = driver_advance;
netA->medium = driver_medium;
netA->free = driver_free;
fail_unless(netA->knock);
fail_unless(strcmp(netA->community,"test") == 0);
// create outgoing beacon
fail_unless(tmesh_schedule(netA,1));
fail_unless(netA->beacon);
fail_unless(!netA->beacon->frames);
fail_unless(!netA->beacon->mote);
fail_unless(netA->beacon->medium == 1);
// should have schedule a beacon rx
fail_unless(scheduled == 1);
fail_unless(netA->knock->is_active);
fail_unless(netA->knock->tempo == netA->beacon);
fail_unless(netA->knock->tempo->at == 2);
fail_unless(netA->knock->tempo->chan == 1);
mote_t moteB = tmesh_mote(netA, linkAB);
fail_unless(moteB);
fail_unless(moteB->link == linkAB);
fail_unless(moteB->signal);
fail_unless(moteB->signal->medium == 1);
fail_unless(moteB->signal->driver == (void*)1);
/*
cmnty_t c = tmesh_join(netA,"qzjb5f4t","foo");
fail_unless(c);
fail_unless(c->medium->bin[0] == 134);
fail_unless(c->medium->radio == devA->id);
fail_unless(c->beacons == NULL);
fail_unless(c->pipe->path);
LOG("netA %.*s",c->pipe->path->head_len,c->pipe->path->head);
fail_unless(tmesh_leave(netA,c));
char hex[256];
netA->last = 1;
fail_unless(!tmesh_join(netA, "azdhpa5r", NULL));
fail_unless((c = tmesh_join(netA, "azdhpa5n", "Public")));
fail_unless(c->beacons);
fail_unless(c->beacons->public);
mote_t m = c->beacons;
mote_t mpub = m;
memset(m->nonce,42,8); // nonce is random, force stable for fixture testing
LOG("nonce %s",util_hex(m->nonce,8,hex));
fail_unless(util_cmp(hex,"2a2a2a2a2a2a2a2a") == 0);
LOG("public at is now %lu",c->beacons->at);
m = tmesh_link(netA, c, link);
fail_unless(m);
fail_unless(m->link == link);
fail_unless(m == tmesh_link(netA, c, link));
fail_unless(m->order == 0);
memset(m->nonce,3,8); // nonce is random, force stable for fixture testing
LOG("secret %s",util_hex(m->secret,32,hex));
fail_unless(util_cmp(hex,"b7bc9e4f1f128f49a3bcef321450b996600987b129723cc7ae752d6500883c65") == 0);
LOG("public at is now %lu",mpub->at);
fail_unless(mote_reset(m));
memset(m->nonce,0,8); // nonce is random, force stable for fixture testing
knock_t knock = devA->knock;
fail_unless(mote_advance(m));
LOG("next is %lld",m->at);
fail_unless(m->at == 8369);
fail_unless(mote_knock(m,knock));
fail_unless(!knock->tx);
fail_unless(mote_advance(m));
fail_unless(mote_advance(m));
fail_unless(mote_advance(m));
fail_unless(mote_advance(m));
fail_unless(mote_knock(m,knock));
fail_unless(knock->tx);
LOG("next is %lld",knock->start);
fail_unless(knock->start == 29905);
LOG("public at is now %lu",mpub->at);
fail_unless(mpub->at == 1);
mpub->at = 5;
mote_t bm = tmesh_seek(netA,c,link->id);
memset(bm->nonce,2,8); // nonce is random, force stable for fixture testing
mote_reset(m);
memset(m->nonce,2,8); // nonce is random, force stable for fixture testing
m->at = 10;
fail_unless(tmesh_process(netA,1,1));
fail_unless(m->at == 9);
fail_unless(knock->mote == mpub);
LOG("tx %d start %lld stop %lld chan %d at %lld",knock->tx,knock->start,knock->stop,knock->chan,m->at);
fail_unless(!knock->tx);
fail_unless(knock->start == 4);
fail_unless(knock->stop == 4+1000);
fail_unless(knock->chan == 27);
// fail_unless(tmesh_knocked(netA,knock));
LOG("public at is now %lu",c->beacons->at);
fail_unless(mote_advance(m));
LOG("seek %s",util_hex(m->nonce,8,hex));
fail_unless(util_cmp(hex,"dc09a8ca7f5cb75e") == 0);
fail_unless(mote_advance(m));
LOG("at is %lu",m->at);
fail_unless(m->at >= 6037);
// public ping now
// m->at = 0xffffffff;
memset(knock,0,sizeof(struct knock_struct));
fail_unless(tmesh_process(netA,8050,0));
LOG("beacon at is now %lu",bm->at);
fail_unless(knock->mote == bm);
LOG("tx %d start %lld stop %lld chan %d",knock->tx,knock->start,knock->stop,knock->chan);
fail_unless(!knock->tx);
fail_unless(knock->start == 9040);
fail_unless(knock->stop == 9040+1000);
fail_unless(knock->chan == 19);
// TEMP DISABLED
return 0;
// public ping tx
memset(m->nonce,4,8); // fixture for testing
m->order = 1;
memset(knock,0,sizeof(struct knock_struct));
LOG("public at is now %lu",m->at);
fail_unless(tmesh_process(netA,20000,0));
fail_unless(knock->mote == bm);
LOG("tx %d start %lld stop %lld chan %d",knock->tx,knock->start,knock->stop,knock->chan);
fail_unless(knock->ready);
fail_unless(knock->tx);
fail_unless(knock->start == 21128);
fail_unless(knock->chan == 19);
// frame would be random ciphered, but we fixed it to test
LOG("frame %s",util_hex(knock->frame,32+8,hex)); // just the stable part
fail_unless(util_cmp(hex,"6c265ac8d9a533a1bc7c7f49ed83ae5d32d31b4b9b76c485b182d649c91deb08a160aab63ee8212c") == 0);
// let's preted it's an rx now
knock->tx = 0;
knock->stopped = knock->stop; // fake rx good
LOG("faking rx in");
fail_unless(!tmesh_knocked(netA,knock)); // identity crisis
fail_unless(tmesh_process(netA,42424,0));
LOG("tx %d start %lld stop %lld chan %d",knock->tx,knock->start,knock->stop,knock->chan);
fail_unless(knock->stopped);
fail_unless(knock->start == 43444);
// leave public community
fail_unless(tmesh_leave(netA,c));
// two motes meshing
mesh_t meshB = mesh_new();
fail_unless(meshB);
lob_t secB = lob_new();
lob_set(secB,"1a",B_SEC);
fail_unless(!mesh_load(meshB,secB,keyB));
mesh_on_discover(meshB,"auto",mesh_add);
hashname_t hnA = hashname_vkeys(keyA);
fail_unless(hnA);
link_t linkBA = link_get(meshB,hnA);
fail_unless(linkBA);
netB = tmesh_new(meshB, NULL);
fail_unless(netB);
cmnty_t cB = tmesh_join(netB,"qzjb5f4t","test");
fail_unless(cB);
fail_unless(cB->pipe->path);
LOG("netB %s",lob_json(cB->pipe->path));
cmnty_t cA = tmesh_join(netA,"qzjb5f4t","test");
fail_unless(cA);
fail_unless(cA->pipe->path);
LOG("netA %s",lob_json(cA->pipe->path));
mote_t bmBA = tmesh_seek(netB, cB, linkBA->id);
fail_unless(bmBA);
fail_unless(bmBA->order == 1);
LOG("bmBA %s secret %s",hashname_short(bmBA->beacon),util_hex(bmBA->secret,32,hex));
fail_unless(util_cmp(hex,"9a972d28dcc211d43eafdca7877bed1bbeaec30fd3740f4b787355d10423ad12") == 0);
mote_t mBA = tmesh_link(netB, cB, linkBA);
fail_unless(mBA);
fail_unless(mBA->order == 1);
LOG("mBA %s secret %s",hashname_short(mBA->link->id),util_hex(mBA->secret,32,hex));
fail_unless(util_cmp(hex,"9a972d28dcc211d43eafdca7877bed1bbeaec30fd3740f4b787355d10423ad12") == 0);
mote_t bmAB = tmesh_seek(netA, cA, link->id);
fail_unless(bmAB);
fail_unless(bmAB->order == 0);
LOG("bmBA %s secret %s",hashname_short(bmAB->beacon),util_hex(bmAB->secret,32,hex));
fail_unless(util_cmp(hex,"9a972d28dcc211d43eafdca7877bed1bbeaec30fd3740f4b787355d10423ad12") == 0);
mote_t mAB = tmesh_link(netA, cA, link);
fail_unless(mAB);
fail_unless(mAB->order == 0);
LOG("mAB %s secret %s",hashname_short(mAB->link->id),util_hex(mAB->secret,32,hex));
fail_unless(util_cmp(hex,"9a972d28dcc211d43eafdca7877bed1bbeaec30fd3740f4b787355d10423ad12") == 0);
knock_t knBA = devB->knock;
knBA->ready = 0;
memset(mBA->nonce,0,8);
memset(bmBA->nonce,2,8);
fail_unless(tmesh_process(netB,10,0));
fail_unless(knBA->mote == bmBA);
LOG("BA tx is %d chan %d at %lu",knBA->tx,knBA->chan,knBA->start);
fail_unless(knBA->chan == 35);
fail_unless(knBA->tx == 0);
knock_t knAB = devA->knock;
knAB->ready = 0;
memset(mAB->nonce,10,8);
memset(bmAB->nonce,15,8);
fail_unless(tmesh_process(netA,44444,0));
fail_unless(knAB->mote == bmAB);
LOG("AB tx is %d chan %d at %lu nonce %s",knAB->tx,knAB->chan,knAB->start,util_hex(mAB->nonce,8,NULL));
fail_unless(knAB->chan == 35);
fail_unless(knAB->tx == 1);
// fake reception, with fake cake
LOG("process netA");
RXTX(knAB,knBA);
fail_unless(tmesh_knocked(netA,knAB));
fail_unless(tmesh_process(netA,67689,0));
fail_unless(knAB->mote == bmAB);
fail_unless(!bmAB->chunks);
LOG("process netB");
RXTX(knAB,knBA);
fail_unless(tmesh_knocked(netB,knBA));
fail_unless(tmesh_process(netB,22000,0));
// dummy data for sync send
netA->pubim = hashname_im(netA->mesh->keys, hashname_id(netA->mesh->keys,netA->mesh->keys));
netB->pubim = hashname_im(netB->mesh->keys, hashname_id(netB->mesh->keys,netB->mesh->keys));
// back to the future
RXTX(knAB,knBA);
fail_unless(tmesh_knocked(netA,knAB));
LOG("mAB %lu mBA %lu",mAB->at,mBA->at);
while(knBA->mote != bmBA)
{
knBA->ready = 0;
fail_unless(tmesh_process(netB,knBA->stop,0));
}
LOG("BA tx is %d chan %d at %lu nonce %s",knBA->tx,knBA->chan,knAB->start,util_hex(mBA->nonce,8,NULL));
// fail_unless(knBA->tx == 1);
RXTX(knAB,knBA);
LOG("mAB %lu mBA %lu",mAB->at,mBA->at);
fail_unless(tmesh_knocked(netB,knBA));
while(knAB->mote != bmAB)
{
knAB->ready = 0;
fail_unless(tmesh_process(netA,knAB->stop,0));
}
LOG("AB tx is %d chan %d at %lu nonce %s",knAB->tx,knAB->chan,knAB->start,util_hex(mAB->nonce,8,NULL));
// fail_unless(knAB->tx == 0);
// in sync!
fail_unless(!mBA->chunks);
fail_unless(!mAB->chunks);
mAB->at = mBA->at;
LOG("mAB %lu mBA %lu",mAB->at,mBA->at);
fail_unless(mAB->at == mBA->at);
// continue establishing link
printf("\n\n");
int max = 40;
mote_reset(mAB);
mote_reset(mBA);
mote_reset(bmAB);
mote_reset(bmBA);
mAB->at = mBA->at;
bmAB->at = bmBA->at;
uint32_t step = mAB->at;
while(--max > 0 && !link_up(mBA->link) && !link_up(mAB->link))
{
printf("\n\n%d %u\n",max,step);
tmesh_process(netA,step,0);
tmesh_process(netB,step,0);
LOG("AB %d %d/%d BA %d %d/%d",knAB->tx,knAB->start,knAB->stop,knBA->tx,knBA->start,knBA->stop);
if(knAB->stop > step) step = knAB->stop;
if(knBA->stop > step) step = knBA->stop;
if(knAB->chan == knBA->chan)
{
printf("~~~~RXTX %u\n",step);
RXTX(knAB,knBA);
knAB->stopped = knAB->stop;
knBA->stopped = knBA->stop;
}else{
knAB->err = knBA->err = 1;
}
tmesh_knocked(netA,knAB);
tmesh_knocked(netB,knBA);
}
LOG("TODO linked by %d",max);
// fail_unless(max);
*/
return 0;
}
int main(int argc, char **argv)
{
lob_t id;
mesh_t mesh;
lob_t opts = lob_new();
fail_unless(e3x_init(opts) == 0);
fail_unless(!e3x_err());
// need cs1a support to continue testing
e3x_cipher_t cs = e3x_cipher_set(0x1a,NULL);
if(!cs) return 0;
cs = e3x_cipher_set(0,"1a");
fail_unless(cs);
fail_unless(cs->id == CS_1a);
uint8_t buf[32];
fail_unless(e3x_rand(buf,32));
char hex[65];
util_hex(e3x_hash((uint8_t*)"foo",3,buf),32,hex);
fail_unless(strcmp(hex,"2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae") == 0);
id = util_fjson("/Users/chrigel/.id.json");
if(!id) return -1;
lob_t secrets = lob_get_json(id,"secrets");
fail_unless(secrets);
fail_unless(lob_get(secrets,"1a"));
lob_t keys = lob_get_json(id,"keys");
fail_unless(keys);
fail_unless(lob_get(keys,"1a"));
LOG("generated key %s secret %s",lob_get(keys,"1a"),lob_get(secrets,"1a"));
local_t localA = cs->local_new(keys,secrets);
fail_unless(localA);
remote_t remoteA = cs->remote_new(lob_get_base32(keys,"1a"), NULL);
fail_unless(remoteA);
// create another to start testing real packets
lob_t secretsB = e3x_generate();
fail_unless(lob_linked(secretsB));
printf("XX %s\n",lob_json(lob_linked(secretsB)));
local_t localB = cs->local_new(lob_linked(secretsB),secretsB);
fail_unless(localB);
remote_t remoteB = cs->remote_new(lob_get_base32(lob_linked(secretsB),"1a"), NULL);
fail_unless(remoteB);
// generate a message
lob_t messageAB = lob_new();
lob_set_int(messageAB,"a",42);
lob_t outerAB = cs->remote_encrypt(remoteB,localA,messageAB);
fail_unless(outerAB);
fail_unless(lob_len(outerAB) == 42);
// decrypt and verify it
lob_t innerAB = cs->local_decrypt(localB,outerAB);
fail_unless(innerAB);
fail_unless(lob_get_int(innerAB,"a") == 42);
fail_unless(cs->remote_verify(remoteA,localB,outerAB) == 0);
ephemeral_t ephemBA = cs->ephemeral_new(remoteA,outerAB);
fail_unless(ephemBA);
lob_t channelBA = lob_new();
lob_set(channelBA,"type","foo");
lob_t couterBA = cs->ephemeral_encrypt(ephemBA,channelBA);
fail_unless(couterBA);
fail_unless(lob_len(couterBA) == 42);
lob_t outerBA = cs->remote_encrypt(remoteA,localB,messageAB);
fail_unless(outerBA);
ephemeral_t ephemAB = cs->ephemeral_new(remoteB,outerBA);
fail_unless(ephemAB);
lob_t cinnerAB = cs->ephemeral_decrypt(ephemAB,couterBA);
fail_unless(cinnerAB);
fail_unless(util_cmp(lob_get(cinnerAB,"type"),"foo") == 0);
return 0;
}
// this is a very simple single-pass telehash uri parser, no magic
lob_t util_uri_parse(char *encoded)
{
size_t klen, vlen;
char *at, *val;
lob_t uri;
if(!encoded) return LOG("bad args");
uri = lob_new();
lob_set(uri,"orig",encoded);
// check for protocol:// prefix first
if(!(at = strstr(encoded,"://")))
{
lob_set(uri, "protocol", "link");
}else{
lob_set_len(uri, "protocol", 0, encoded, (size_t)(at - encoded));
encoded = at+3;
}
// check for user@ prefix next
if((at = strchr(encoded,'@')))
{
lob_set_len(uri, "auth", 0, encoded, (size_t)(at - encoded));
encoded = at+1;
}
// ensure there's at least a host
if(!strlen(encoded) || !isalnum((int)encoded[0]))
{
lob_free(uri);
return LOG("invalid host: '%s'",encoded);
}
// copy in host and parse hostname/port
if((at = strchr(encoded,'/')) || (at = strchr(encoded,'?')) || (at = strchr(encoded,'#')))
{
lob_set_len(uri, "host", 0, encoded, (size_t)(at - encoded));
}else{
lob_set_len(uri, "host", 0, encoded, strlen(encoded));
}
// hostname+port
val = lob_get(uri, "host");
if(val && (at = strchr(val,':')))
{
lob_set_len(uri, "hostname", 0, val, (size_t)(at - val));
lob_set_uint(uri, "port", (uint16_t)strtoul(at+1,NULL,10));
}else{
lob_set(uri, "hostname", val);
}
// optional path
if((at = strchr(encoded,'/')))
{
encoded = at;
if((at = strchr(encoded+1,'?')) || (at = strchr(encoded+1,'#')))
{
lob_set_len(uri, "path", 0, encoded, (size_t)(at - encoded));
}else{
lob_set_len(uri, "path", 0, encoded, strlen(encoded));
}
}
// optional hash at the end
if((at = strchr(encoded,'#')))
{
lob_set_len(uri, "hash", 0, at+1, strlen(at+1));
}
// optional query string
if((at = strchr(encoded,'?')))
{
uri->chain = lob_new();
encoded = at+1;
if((at = strchr(encoded,'#')))
{
klen = (size_t)(at - encoded);
}else{
klen = strlen(encoded);
}
while(klen)
{
// skip any separator
if(*encoded == '&')
{
encoded++;
klen--;
}
// require the equals
if(!(val = strchr(encoded,'='))) break;
val++;
if((at = strchr(val,'&')))
{
vlen = (size_t)(at - val);
}else{
vlen = strlen(val);
}
lob_set_len(uri->chain, encoded, (size_t)(val-encoded)-1, val, vlen);
// skip past whole block
klen -= (size_t)((val+vlen) - encoded);
encoded = val + vlen;
}
}
return uri;
}
// processes incoming packet, it will take ownership of p
link_t mesh_receive(mesh_t mesh, lob_t outer, pipe_t pipe)
{
lob_t inner;
link_t link;
char token[17];
hashname_t id;
if(!mesh || !outer || !pipe) return LOG("bad args");
LOG("mesh receiving %s to %s via pipe %s",outer->head_len?"handshake":"channel",hashname_short(mesh->id),pipe->id);
// process handshakes
if(outer->head_len == 1)
{
inner = e3x_self_decrypt(mesh->self, outer);
if(!inner)
{
LOG("%02x handshake failed %s",outer->head[0],e3x_err());
lob_free(outer);
return NULL;
}
// couple the two together, inner->outer
lob_link(inner,outer);
// set the unique id string based on some of the first 16 (routing token) bytes in the body
base32_encode(outer->body,10,token,17);
lob_set(inner,"id",token);
// process the handshake
return mesh_receive_handshake(mesh, inner, pipe);
}
// handle channel packets
if(outer->head_len == 0)
{
if(outer->body_len < 16)
{
LOG("packet too small %d",outer->body_len);
lob_free(outer);
return NULL;
}
route_t route;
for(route = mesh->routes;route;route = route->next) if(memcmp(route->token,outer->body,8) == 0) break;
link = route ? route->link : NULL;
if(!link)
{
LOG("dropping, no link for token %s",util_hex(outer->body,16,NULL));
lob_free(outer);
return NULL;
}
// forward packet
if(!route->flag)
{
LOG("forwarding route token %s via %s len %d",util_hex(route->token,8,NULL),hashname_short(link->id),lob_len(outer));
return link_send(link, outer);
}
inner = e3x_exchange_receive(link->x, outer);
lob_free(outer);
if(!inner) return LOG("channel decryption fail for link %s %s",hashname_short(link->id),e3x_err());
LOG("channel packet %d bytes from %s",lob_len(inner),hashname_short(link->id));
return link_receive(link,inner,pipe);
}
// transform incoming bare link json format into handshake for discovery
if((inner = lob_get_json(outer,"keys")))
{
if((id = hashname_vkeys(inner)))
{
lob_set(outer,"hashname",hashname_char(id));
lob_set_int(outer,"at",0);
lob_set(outer,"type","link");
LOG("bare incoming link json being discovered %s",lob_json(outer));
}
lob_free(inner);
}
// run everything else through discovery, usually plain handshakes
mesh_discover(mesh, outer, pipe);
link = mesh_linked(mesh, lob_get(outer,"hashname"), 0);
lob_free(outer);
return link;
}
