subuser *checkrecv(ape_socket *co, acetables *g_ape)
{
unsigned int op;
http_state *http = co->parser.data;
subuser *user = NULL;
clientget cget;
if (http->host == NULL) {
shutdown(co->fd, 2);
return NULL;
}
if (gettransport(http->uri) == TRANSPORT_WEBSOCKET) {
char *origin = get_header_line(http->hlines, "Origin");
websocket_state *websocket;
if (origin == NULL) {
shutdown(co->fd, 2);
return NULL;
}
PACK_TCP(co->fd);
sendbin(co->fd, CONST_STR_LEN(WEBSOCKET_HARDCODED_HEADERS), 0, g_ape);
sendbin(co->fd, CONST_STR_LEN("WebSocket-Origin: "), 0, g_ape);
sendbin(co->fd, origin, strlen(origin), 0, g_ape);
sendbin(co->fd, CONST_STR_LEN("\r\nWebSocket-Location: ws://"), 0, g_ape);
sendbin(co->fd, http->host, strlen(http->host), 0, g_ape);
sendbin(co->fd, http->uri, strlen(http->uri), 0, g_ape);
sendbin(co->fd, CONST_STR_LEN("\r\n\r\n"), 0, g_ape);
FLUSH_TCP(co->fd);
co->parser = parser_init_stream(co);
websocket = co->parser.data;
websocket->http = http; /* keep http data */
return NULL;
}
if (http->data == NULL) {
sendbin(co->fd, HEADER_DEFAULT, HEADER_DEFAULT_LEN, 0, g_ape);
sendbin(co->fd, CONST_STR_LEN(CONTENT_NOTFOUND), 0, g_ape);
safe_shutdown(co->fd, g_ape);
return NULL;
}
cget.client = co;
cget.ip_get = co->ip_client;
cget.get = http->data;
cget.host = http->host;
cget.hlines = http->hlines;
op = checkcmd(&cget, gettransport(http->uri), &user, g_ape);
switch (op) {
case CONNECT_SHUTDOWN:
safe_shutdown(co->fd, g_ape);
break;
case CONNECT_KEEPALIVE:
break;
}
return user;
}
int process_cmd(json_item *ijson, struct _cmd_process *pc, subuser **iuser, acetables *g_ape)
{
callback *cmdback, tmpback = {handle_bad_cmd, NEED_NOTHING};
json_item *rjson = json_lookup(ijson->jchild.child, "cmd"), *jchl;
subuser *sub = pc->sub;
unsigned int flag;
unsigned short int attach = 1;
if (rjson != NULL && rjson->jval.vu.str.value != NULL) {
callbackp cp;
cp.client = NULL;
cp.cmd = rjson->jval.vu.str.value;
cp.data = NULL;
cp.hlines = NULL;
json_item *jsid;
if ((cmdback = (callback *)hashtbl_seek(g_ape->hCallback, rjson->jval.vu.str.value)) == NULL) {
cmdback = &tmpback;
}
if ((pc->guser == NULL && (jsid = json_lookup(ijson->jchild.child, "sessid")) != NULL && jsid->jval.vu.str.value != NULL)) {
pc->guser = seek_user_id(jsid->jval.vu.str.value, g_ape);
}
if (cmdback->need != NEED_NOTHING || pc->guser != NULL) { // We process the connection like a "NEED_SESSID" if the user provide its key
if (pc->guser == NULL) {
RAW *newraw;
json_item *jlist = json_new_object();
json_set_property_strZ(jlist, "code", "004");
json_set_property_strZ(jlist, "value", "BAD_SESSID");
newraw = forge_raw(RAW_ERR, jlist);
send_raw_inline(pc->client, pc->transport, newraw, g_ape);
return (CONNECT_SHUTDOWN);
} else if (sub == NULL) {
sub = getsubuser(pc->guser, pc->host);
if (sub != NULL && sub->client->fd != pc->client->fd && sub->state == ALIVE) {
/* The user open a new connection while he already has one openned */
struct _transport_open_same_host_p retval = transport_open_same_host(sub, pc->client, pc->guser->transport);
if (retval.client_close != NULL) {
// Send CLOSE if no response has been sent yet
if (!sub->headers.sent) {
RAW *newraw;
json_item *jlist = json_new_object();
json_set_property_strZ(jlist, "value", "null");
newraw = forge_raw("CLOSE", jlist);
send_raw_inline((retval.client_close->fd == pc->client->fd ? pc->client : sub->client), pc->transport, newraw, g_ape);
}
// It's not safe to leave the subuser pointer in co->attach anymore
// since subuser could subsequently be deleted, leaving a pointer into free heap.
// So, let this socket finish up on its own and pretend its already finished.
sub->state = ADIED;
sub->headers.sent = 0;
http_headers_free(sub->headers.content);
sub->headers.content = NULL;
sub->burn_after_writing = 0;
g_ape->co[retval.client_close->fd]->attach = NULL;
safe_shutdown(retval.client_close->fd, g_ape);
}
sub->client = cp.client = retval.client_listener;
sub->state = retval.substate;
attach = retval.attach;
} else if (sub == NULL) {
sub = addsubuser(pc->client, pc->host, pc->guser, g_ape);
if (sub != NULL) {
subuser_restor(sub, g_ape);
}
} else if (sub != NULL) {
sub->client = pc->client;
}
pc->guser->idle = (long int)time(NULL); // update user idle
sub->idle = pc->guser->idle; // Update subuser idle
}
}
if (pc->guser != NULL && sub != NULL && (jchl = json_lookup(ijson->jchild.child, "chl")) != NULL /*&& jchl->jval.vu.integer_value > sub->current_chl*/) {
sub->current_chl = jchl->jval.vu.integer_value;
}
#if 0
else if (pc->guser != NULL && sub != NULL) {
/* if a bad challenge is detected, we are stoping walking on cmds */
send_error(pc->guser, "BAD_CHL", "250", g_ape);
sub->state = ALIVE;
return (CONNECT_KEEPALIVE);
}
#endif
cp.param = json_lookup(ijson->jchild.child, "params");
cp.client = (cp.client != NULL ? cp.client : pc->client);
cp.call_user = pc->guser;
cp.call_subuser = sub;
cp.g_ape = g_ape;
cp.host = pc->host;
cp.ip = pc->ip;
cp.chl = (sub != NULL ? sub->current_chl : 0);
cp.transport = pc->transport;
cp.hlines = pc->hlines;
/* Little hack to access user object on connect hook callback (preallocate an user) */
if (strncasecmp(cp.cmd, "CONNECT", 7) == 0 && cp.cmd[7] == '\0') {
pc->guser = cp.call_user = adduser(cp.client, cp.host, cp.ip, NULL, g_ape);
pc->guser->transport = pc->transport;
sub = cp.call_subuser = cp.call_user->subuser;
}
if ((flag = call_cmd_hook(cp.cmd, &cp, g_ape)) == RETURN_CONTINUE) {
flag = cmdback->func(&cp);
}
if (flag & RETURN_NULL) {
pc->guser = NULL;
} else if (flag & RETURN_BAD_PARAMS) {
RAW *newraw;
json_item *jlist = json_new_object();
if (cp.chl) {
json_set_property_intN(jlist, "chl", 3, cp.chl);
}
json_set_property_strZ(jlist, "code", "001");
json_set_property_strZ(jlist, "value", "BAD_PARAMS");
newraw = forge_raw(RAW_ERR, jlist);
if (cp.call_user != NULL) {
//cp.call_user->istmp = 0;
if (sub == NULL) {
sub = getsubuser(pc->guser, pc->host);
}
post_raw_sub(newraw, sub, g_ape);
} else {
send_raw_inline(pc->client, pc->transport, newraw, g_ape);
}
//guser = NULL;
} else if (flag & RETURN_BAD_CMD) {
RAW *newraw;
json_item *jlist = json_new_object();
if (cp.chl) {
json_set_property_intN(jlist, "chl", 3, cp.chl);
}
json_set_property_strZ(jlist, "code", "003");
json_set_property_strZ(jlist, "value", "BAD_CMD");
newraw = forge_raw(RAW_ERR, jlist);
if (cp.call_user != NULL) {
if (sub == NULL) {
sub = getsubuser(pc->guser, pc->host);
}
post_raw_sub(newraw, sub, g_ape);
} else {
send_raw_inline(pc->client, pc->transport, newraw, g_ape);
}
}
if (pc->guser != NULL) {
if (sub == NULL) {
sub = getsubuser(pc->guser, pc->host);
}
if (iuser != NULL) {
*iuser = (attach ? sub : NULL);
}
/* If tmpfd is set, we do not have any reasons to change its state */
sub->state = ALIVE;
if (flag & RETURN_HANG || flag & RETURN_BAD_PARAMS) {
return (CONNECT_KEEPALIVE);
}
} else if (flag & RETURN_HANG) {
/* Doesn't need sessid */
return (CONNECT_KEEPALIVE);
} else {
return (CONNECT_SHUTDOWN);
}
} else {
RAW *newraw;
json_item *jlist = json_new_object();
json_set_property_strZ(jlist, "code", "003");
json_set_property_strZ(jlist, "value", "NO_CMD");
newraw = forge_raw(RAW_ERR, jlist);
send_raw_inline(pc->client, pc->transport, newraw, g_ape);
//printf("Cant find %s\n", rjson->jval.vu.str.value);
return (CONNECT_SHUTDOWN);
}
return -1;
}
void safe_shutdown_and_die(int code)
{
safe_shutdown();
exit(code);
}
