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psyced/world/net/common.c

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// $Id: common.c,v 1.15 2007/07/25 09:05:05 lynx Exp $ // vim:syntax=lpc
//
// COMMON STUFF for server.c and user.c
#include <net.h>
#include <person.h>
// THE GENERIC IDENTITY MORPHER
// extracted from server.c because nowadays user.c needs it, too
//
// returns true if exec successful (and it's appropriate to selfdestruct)
// we use that function from objects inheriting us. so we need prototypes.
w();
morph();
promptForPassword();
connect(nick, pw) {
object user;
mixed authCb;
if (is_formal(nick)) {
w("_failure_unimplemented_remote",
"Sorry, this function is not yet available across the PSYC network.");
return;
}
unless(nick = legal_name(nick)) {
w("_error_illegal_name_person", 0, ([ "_nick": nick ]) );
return;
}
unless (user = find_person(nick)) {
// catch returns "1" here, weird!!
if (catch (user = createUser(nick)) && !user ) {
// pr("_failure_object_creation",
// "Cannot create user object.\n");
return;
}
}
authCb = CLOSURE((int result), (user, nick, pw),
(object user, string nick, string pw), {
unless(result) {
promptForPassword(user);
return;
}
if (user->online() && user->vQuery("ip") != query_ip_number()) {
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w("_error_status_person_connected", 0,
([ "_nick": nick ]) );
return;
}
return morph(user, nick, pw);
});
user -> checkPassword(pw, 0, 0, 0, authCb);
}
morph(user, nick, pw) {
if (! keepUserObject(user)) {
user -> quit();
if (user) destruct(user);
unless (user = createUser(nick)) {
w("_failure_object_creation",
"Cannot create new user object.");
return;
}
}
if (interactive(user)) {
remove_interactive(user);
}
remove_input_to(ME);
if (exec(user, ME)) {
user -> logon();
return 9;
}
w("_failure_object_switch",
"Eh! Could not switch to object.");
return;
}