void ssl_want_read(struct connection *c)
{
struct conn_info *b = c->newconn;
set_timeout(c);
if (c->no_tsl) c->ssl->options |= SSL_OP_NO_TLSv1;
switch (SSL_get_error(c->ssl, SSL_connect(c->ssl))) {
case SSL_ERROR_NONE:
c->newconn = NULL;
b->func(c);
mem_free(b);
break;
case SSL_ERROR_WANT_READ:
set_handlers(*b->sock, (void(*)(void *))ssl_want_read, NULL, (void(*)(void *))exception, c);
break;
case SSL_ERROR_WANT_WRITE:
set_handlers(*b->sock, NULL, (void(*)(void *))ssl_want_read, (void(*)(void *))exception, c);
break;
default:
c->no_tsl++;
setcstate(c, S_SSL_ERROR);
retry_connection(c);
break;
}
}
void destroy_terminal(struct terminal *term)
{
while ((term->windows.next) != &term->windows) delete_window(term->windows.next);
/*if (term->cwd) mem_free(term->cwd);*/
if (term->title) mem_free(term->title);
mem_free(term->screen);
mem_free(term->last_screen);
set_handlers(term->fdin, NULL, NULL, NULL, NULL);
mem_free(term->input_queue);
if (term->blocked != -1) {
close(term->blocked);
set_handlers(term->blocked, NULL, NULL, NULL, NULL);
}
del_from_list(term);
close(term->fdin);
if (term->fdout != 1) {
if (term->fdout != term->fdin) close(term->fdout);
} else {
unhandle_terminal_signals(term);
free_all_itrms();
#ifndef NO_FORK_ON_EXIT
if (!list_empty(terminals)) {
if (fork() > 0) _exit(0);
}
#endif
}
mem_free(term);
check_if_no_terminal();
}
void dns_found(struct connection *c, int state)
{
int s;
struct conn_info *b = c->newconn;
if (state) {
setcstate(c, S_NO_DNS);
abort_connection(c);
return;
}
if ((s = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) == -1) {
setcstate(c, get_error_from_errno(errno));
retry_connection(c);
return;
}
*b->sock = s;
fcntl(s, F_SETFL, O_NONBLOCK);
memset(&b->sa, 0, sizeof(struct sockaddr_in));
b->sa.sin_family = AF_INET;
b->sa.sin_addr.s_addr = b->addr;
b->sa.sin_port = htons(b->port);
if (connect(s, (struct sockaddr *)&b->sa, sizeof b->sa)) {
if (errno != EALREADY && errno != EINPROGRESS) {
#ifdef BEOS
if (errno == EWOULDBLOCK) errno = ETIMEDOUT;
#endif
setcstate(c, get_error_from_errno(errno));
retry_connection(c);
return;
}
set_handlers(s, NULL, (void(*)(void *))connected, (void(*)(void *))exception, c);
setcstate(c, S_CONN);
} else {
connected(c);
}
}
void close_socket(int *s)
{
if (*s == -1) return;
close(*s);
set_handlers(*s, NULL, NULL, NULL, NULL);
*s = -1;
}
/** A select_handler_T write_func for itrm_out.sock. This is called
* when there is data in @c itrm->out.queue and it is possible to write
* it to @c itrm->out.sock. When @c itrm->out.queue becomes empty, this
* handler is temporarily removed. */
static void
itrm_queue_write(struct itrm *itrm)
{
int written;
int qlen = int_min(itrm->out.queue.len, 128);
assertm(qlen, "event queue empty");
if_assert_failed return;
written = safe_write(itrm->out.sock, itrm->out.queue.data, qlen);
if (written <= 0) {
if (written < 0) free_itrm(itrm); /* write error */
return;
}
itrm->out.queue.len -= written;
if (itrm->out.queue.len == 0) {
set_handlers(itrm->out.sock,
get_handler(itrm->out.sock, SELECT_HANDLER_READ),
NULL,
get_handler(itrm->out.sock, SELECT_HANDLER_ERROR),
get_handler(itrm->out.sock, SELECT_HANDLER_DATA));
} else {
assert(itrm->out.queue.len > 0);
memmove(itrm->out.queue.data, itrm->out.queue.data + written, itrm->out.queue.len);
}
}
void
itrm_queue_event(struct itrm *itrm, unsigned char *data, int len)
{
int w = 0;
if (!len) return;
if (!itrm->out.queue.len && can_write(itrm->out.sock)) {
w = safe_write(itrm->out.sock, data, len);
if (w <= 0 && HPUX_PIPE) {
register_bottom_half(free_itrm, itrm);
return;
}
}
if (w < len) {
int left = len - w;
unsigned char *c = mem_realloc(itrm->out.queue.data,
itrm->out.queue.len + left);
if (!c) {
free_itrm(itrm);
return;
}
itrm->out.queue.data = c;
memcpy(itrm->out.queue.data + itrm->out.queue.len, data + w, left);
itrm->out.queue.len += left;
set_handlers(itrm->out.sock,
get_handler(itrm->out.sock, SELECT_HANDLER_READ),
(select_handler_T) itrm_queue_write,
(select_handler_T) free_itrm, itrm);
}
}
void WindowLoader::set_generic_parameters(const serialization::Node &node, WindowBase *base) {
set_dimensions(node, base);
set_color(node, base);
base->set_renderer(m_renderer.get());
base->m_name = node.value(NAME);
set_handlers(node, base);
}
void connected(struct connection *c)
{
struct conn_info *b = c->newconn;
int err = 0;
socklen_t len = sizeof(int);
if (getsockopt(*b->sock, SOL_SOCKET, SO_ERROR, (void *)&err, &len))
if (!(err = errno)) {
err = -(S_STATE);
goto bla;
}
if (err >= 10000) err -= 10000; /* Why does EMX return so large values? */
if (err > 0) {
bla:
setcstate(c, get_error_from_errno(err));
retry_connection(c);
return;
}
set_timeout(c);
#ifdef HAVE_SSL
if (c->ssl) {
c->ssl = getSSL();
SSL_set_fd(c->ssl, *b->sock);
if (c->no_tsl) c->ssl->options |= SSL_OP_NO_TLSv1;
switch (SSL_get_error(c->ssl, SSL_connect(c->ssl))) {
case SSL_ERROR_WANT_READ:
setcstate(c, S_SSL_NEG);
set_handlers(*b->sock, (void(*)(void *))ssl_want_read, NULL, (void(*)(void *))exception, c);
return;
case SSL_ERROR_WANT_WRITE:
setcstate(c, S_SSL_NEG);
set_handlers(*b->sock, NULL, (void(*)(void *))ssl_want_read, (void(*)(void *))exception, c);
return;
case SSL_ERROR_NONE:
break;
default:
c->no_tsl++;
setcstate(c, S_SSL_ERROR);
retry_connection(c);
return;
}
}
#endif
c->newconn = NULL;
b->func(c);
mem_free(b);
}
void read_from_socket(struct connection *c, int s, struct read_buffer *buf, void (*read_func)(struct connection *, struct read_buffer *))
{
buf->done = read_func;
buf->sock = s;
if (c->buffer && buf != c->buffer) mem_free(c->buffer);
c->buffer = buf;
set_handlers(s, (void (*)(void *))read_select, NULL, (void (*)(void *))exception, c);
}
void unblock_terminal(struct terminal *term)
{
close_handle((void *)term->blocked);
term->blocked = -1;
set_handlers(term->fdin, (void (*)(void *))in_term, NULL, (void (*)(void *))destroy_terminal, term);
unblock_itrm(term->fdin);
redraw_terminal_cls(term);
}
/** Disable reading from itrm_in.std. Reading should be disabled
* whenever itrm->in.queue is full (there is no room for the data)
* or itrm->blocked is 1 (other processes may read the data). */
static void
unhandle_itrm_stdin(struct itrm *itrm)
{
assert(itrm->in.std >= 0);
if_assert_failed return;
set_handlers(itrm->in.std, (select_handler_T) NULL, NULL,
(select_handler_T) free_itrm, itrm);
}
static void end_real_lookup(struct dnsquery *q)
{
int r = 1;
if (!q->addr || read(q->h, q->addr, sizeof(ip__address)) != sizeof(ip__address)) goto end;
r = 0;
end:
set_handlers(q->h, NULL, NULL, NULL, NULL);
close(q->h);
q->xfn(q, r);
}
void setIdt()
{
/* Program interrups/exception service routines */
idtR.base = (DWord)idt;
idtR.limit = IDT_ENTRIES * sizeof(Gate) - 1;
set_handlers();
/* ADD INITIALIZATION CODE FOR INTERRUPT VECTOR */
set_idt_reg(&idtR);
}
void setIdt()
{
idtR.base = (DWord)idt;
idtR.limit = IDT_ENTRIES*sizeof(Gate) - 1;
set_handlers();
setInterruptHandler(32, clock_handler, 0);
setInterruptHandler(33, keyboard_handler, 0);
setTrapHandler(0x80, syscall_handler, 3); // 3 = user privilege level
set_idt_reg(&idtR);
}
void
resume_mouse(void *h)
{
struct gpm_mouse_spec *gms = h;
if (!gms) return;
gms->h = init_mouse(gms->cons, 0);
if (gms->h < 0) return;
set_handlers(gms->h, (select_handler_T) gpm_mouse_in, NULL, NULL, gms);
}
int bind_to_af_unix(void)
{
int u = 0;
int a1 = 1;
int cnt = 0;
int af;
if ((af = get_address()) == -1) return -1;
again:
if ((s_unix_fd = socket(af, SOCK_STREAM, 0)) == -1) return -1;
#if defined(SOL_SOCKET) && defined(SO_REUSEADDR)
setsockopt(s_unix_fd, SOL_SOCKET, SO_REUSEADDR, (void *)&a1, sizeof a1);
#endif
if (bind(s_unix_fd, s_unix, s_unix_l)) {
/*perror("");
debug("bind: %d", errno);*/
close(s_unix_fd);
if ((s_unix_fd = socket(af, SOCK_STREAM, 0)) == -1) return -1;
#if defined(SOL_SOCKET) && defined(SO_REUSEADDR)
setsockopt(s_unix_fd, SOL_SOCKET, SO_REUSEADDR, (void *)&a1, sizeof a1);
#endif
if (connect(s_unix_fd, s_unix, s_unix_l)) {
/*perror("");
debug("connect: %d", errno);*/
if (++cnt < MAX_BIND_TRIES) {
struct timeval tv = { 0, 100000 };
fd_set dummy;
FD_ZERO(&dummy);
select(0, &dummy, &dummy, &dummy, &tv);
close(s_unix_fd);
goto again;
}
close(s_unix_fd), s_unix_fd = -1;
if (!u) {
unlink_unix();
u = 1;
goto again;
}
mem_free(s_unix), s_unix = NULL;
return -1;
}
mem_free(s_unix), s_unix = NULL;
return s_unix_fd;
}
if (listen(s_unix_fd, 100)) {
error("ERROR: listen failed: %d", errno);
mem_free(s_unix), s_unix = NULL;
close(s_unix_fd), s_unix_fd = -1;
return -1;
}
set_handlers(s_unix_fd, af_unix_connection, NULL, NULL, NULL);
return -1;
}
void read_select(struct connection *c)
{
struct read_buffer *rb;
int rd;
if (!(rb = c->buffer)) {
internal("read socket has no buffer");
setcstate(c, S_INTERNAL);
abort_connection(c);
return;
}
set_handlers(rb->sock, NULL, NULL, NULL, NULL);
if ((unsigned)rb->len > MAXINT - sizeof(struct read_buffer) - READ_SIZE) overalloc();
rb = mem_realloc(rb, sizeof(struct read_buffer) + rb->len + READ_SIZE);
c->buffer = rb;
#ifdef HAVE_SSL
if(c->ssl) {
if ((rd = SSL_read(c->ssl, rb->data + rb->len, READ_SIZE)) <= 0) {
int err;
if ((err = SSL_get_error(c->ssl, rd)) == SSL_ERROR_WANT_READ) {
read_from_socket(c, rb->sock, rb, rb->done);
return;
}
if (rb->close && !rd) {
rb->close = 2;
rb->done(c, rb);
return;
}
setcstate(c, rd ? (err == SSL_ERROR_SYSCALL ? get_error_from_errno(errno) : S_SSL_ERROR) : S_CANT_READ);
/*mem_free(rb);*/
if (!rd || err == SSL_ERROR_SYSCALL) retry_connection(c);
else abort_connection(c);
return;
}
} else
#endif
if ((rd = read(rb->sock, rb->data + rb->len, READ_SIZE)) <= 0) {
if (rb->close && !rd) {
rb->close = 2;
rb->done(c, rb);
return;
}
setcstate(c, rd ? get_error_from_errno(errno) : S_CANT_READ);
/*mem_free(rb);*/
retry_connection(c);
return;
}
log_data(rb->data + rb->len, rd);
rb->len += rd;
rb->done(c, rb);
}
void write_select(struct connection *c)
{
struct write_buffer *wb;
int wr;
if (!(wb = c->buffer)) {
internal("write socket has no buffer");
setcstate(c, S_INTERNAL);
abort_connection(c);
return;
}
set_timeout(c);
/*printf("ws: %d\n",wb->len-wb->pos);
for (wr = wb->pos; wr < wb->len; wr++) printf("%c", wb->data[wr]);
printf("-\n");*/
#ifdef HAVE_SSL
if(c->ssl) {
if ((wr = SSL_write(c->ssl, wb->data + wb->pos, wb->len - wb->pos)) <= 0) {
int err;
if ((err = SSL_get_error(c->ssl, wr)) != SSL_ERROR_WANT_WRITE) {
setcstate(c, wr ? (err == SSL_ERROR_SYSCALL ? get_error_from_errno(errno) : S_SSL_ERROR) : S_CANT_WRITE);
if (!wr || err == SSL_ERROR_SYSCALL) retry_connection(c);
else abort_connection(c);
return;
}
else return;
}
} else
#endif
if ((wr = write(wb->sock, wb->data + wb->pos, wb->len - wb->pos)) <= 0) {
#ifdef ATHEOS
/* Workaround for a bug in Syllable */
if (wr && errno == EAGAIN) {
return;
}
#endif
setcstate(c, wr ? get_error_from_errno(errno) : S_CANT_WRITE);
retry_connection(c);
return;
}
/*printf("wr: %d\n", wr);*/
if ((wb->pos += wr) == wb->len) {
void (*f)(struct connection *) = wb->done;
c->buffer = NULL;
set_handlers(wb->sock, NULL, NULL, NULL, NULL);
mem_free(wb);
f(c);
}
}
void setIdt()
{
/* Program interrupts/exception service routines */
idtR.base = (DWord)idt;
idtR.limit = IDT_ENTRIES * sizeof(Gate) - 1;
/* ADD INITIALIZATION CODE FOR INTERRUPT VECTOR (IDT)*/
set_handlers();
setInterruptHandler(32, clock_handler, 0);
setInterruptHandler(33, keyboard_handler, 0);
set_idt_reg(&idtR);
}
void setIdt()
{
/* Program interrups/exception service routines */
idtR.base = (DWord)idt;
idtR.limit = IDT_ENTRIES * sizeof(Gate) - 1;
set_handlers();
setInterruptHandler(32, clock_handler /*void (*handler)()*/, 0/*int privLevel*/);
setInterruptHandler(33, keyboard_handler /*void (*handler)()*/, 0/*int privLevel*/);
setTrapHandler(0x80, system_call_handler, 3);
/* ADD INITIALIZATION CODE FOR INTERRUPT VECTOR */
set_idt_reg(&idtR);
}
void setIdt()
{
/* Program interrups/exception service routines */
idtR.base = (DWord)idt;
idtR.limit = IDT_ENTRIES * sizeof(Gate) - 1;
set_handlers();
/* ADD INITIALIZATION CODE FOR INTERRUPT VECTOR */
setInterruptHandler(33, keyboard_handler, 0);
setInterruptHandler(0x80, system_call_handler, 3);
setInterruptHandler(32, clock_handler, 0); // is in this privileged mode???
set_idt_reg(&idtR);
}
void write_to_socket(struct connection *c, int s, unsigned char *data, int len, void (*write_func)(struct connection *))
{
struct write_buffer *wb;
log_data(data, len);
if ((unsigned)len > MAXINT - sizeof(struct write_buffer)) overalloc();
wb = mem_alloc(sizeof(struct write_buffer) + len);
wb->sock = s;
wb->len = len;
wb->pos = 0;
wb->done = write_func;
memcpy(wb->data, data, len);
if (c->buffer) mem_free(c->buffer);
c->buffer = wb;
set_handlers(s, NULL, (void (*)(void *))write_select, (void (*)(void *))exception, c);
}
void setIdt()
{
/* Program interrups/exception service routines */
idtR.base = (DWord)idt;
idtR.limit = IDT_ENTRIES * sizeof(Gate) - 1;
/* ADD INITIALIZATION CODE FOR INTERRUPT VECTOR */
setInterruptHandler(0x21, keyboard_handler, 0); // IDT entry 33
setInterruptHandler(0x20, clock_handler, 0); // IDT 32
setTrapHandler(0x80, system_call_handler, 3);
set_handlers();
void close_socket( struct socket *socket )
{
int eax;
if ( socket[0].fd != -1 )
{
if ( socket->ssl )
{
ssl_close( &socket[0] );
socket->fd = socket->fd;
}
close( socket->fd );
set_handlers( socket->fd, 0, 0, 0, 0 );
socket = -1;
}
return;
}
static int do_lookup(struct dnsquery *q, int force_async)
{
/*debug("starting lookup for %s", q->name);*/
#ifndef NO_ASYNC_LOOKUP
if (!async_lookup && !force_async) {
#endif
int r;
sync_lookup:
r = do_real_lookup(q->name, q->addr);
q->xfn(q, r);
return 0;
#ifndef NO_ASYNC_LOOKUP
} else {
if ((q->h = start_thread((void (*)(void *, int))lookup_fn, q->name, strlen(q->name) + 1)) == -1) goto sync_lookup;
set_handlers(q->h, (void (*)(void *))end_real_lookup, NULL, (void (*)(void *))failed_real_lookup, q);
return 1;
}
#endif
}
void *
handle_mouse(int cons, void (*fn)(void *, unsigned char *, int),
void *data)
{
int h;
struct gpm_mouse_spec *gms;
h = init_mouse(cons, 0);
if (h < 0) return NULL;
gms = mem_alloc(sizeof(*gms));
if (!gms) return NULL;
gms->h = h;
gms->cons = cons;
gms->fn = fn;
gms->data = data;
set_handlers(h, (select_handler_T) gpm_mouse_in, NULL, NULL, gms);
return gms;
}
void setIdt()
{
/* Program interrups/exception service routines */
idtR.base = (DWord)idt;
idtR.limit = IDT_ENTRIES * sizeof(Gate) - 1;
set_handlers();
void clock_handler(void); //Header clock_handler (Defined at entry.S)
void keyboard_handler(void); //Header keyboard_handler (Defined at entry.S)
void system_call_handler(void);
setInterruptHandler(32, clock_handler, 0); //Entrada IDT interrupcio clock
setInterruptHandler(33, keyboard_handler, 0); //Entrada IDT interrupcio keyboard
setTrapHandler(0x80, system_call_handler, 3);
/* ADD INITIALIZATION CODE FOR INTERRUPT VECTOR */
set_idt_reg(&idtR);
}
static void unhandle_fb_mouse(void)
{
if (fb_hgpm >= 0) set_handlers(fb_hgpm, (void (*)(void *))NULL, (void (*)(void *))NULL, (void (*)(void *))NULL, NULL);
#ifndef USE_GPM_DX
fb_hgpm = -1;
if (fb_old_ws_v) {
int rs;
EINTRLOOP(rs, ioctl(1, TIOCSWINSZ, &fb_old_ws));
fb_old_ws_v = 0;
}
#endif
Gpm_Close();
#ifdef SIGTSTP
install_signal_handler(SIGTSTP, (void (*)(void *))sig_tstp, NULL, 0);
#endif
#ifdef SIGCONT
install_signal_handler(SIGCONT, (void (*)(void *))sig_cont, NULL, 0);
#endif
#ifdef SIGTTIN
install_signal_handler(SIGTTIN, (void (*)(void *))sig_tstp, NULL, 0);
#endif
}
void
read_from_socket(struct socket *socket, struct read_buffer *buffer,
struct connection_state state, socket_read_T done)
{
const int is_buffer_new = (buffer != socket->read_buffer);
struct socket_weak_ref ref;
select_handler_T write_handler;
ref.socket = socket;
add_to_list(socket_weak_refs, &ref);
buffer->done = done;
socket->ops->set_timeout(socket, connection_state(0));
socket->ops->set_state(socket, state);
del_from_list(&ref);
if (ref.socket == NULL) {
/* socket->ops->set_state deleted the socket. */
if (is_buffer_new)
mem_free(buffer);
return;
}
if (socket->read_buffer && buffer != socket->read_buffer)
mem_free(socket->read_buffer);
socket->read_buffer = buffer;
if (socket->duplex) {
write_handler = get_handler(socket->fd, SELECT_HANDLER_WRITE);
} else {
write_handler = NULL;
}
set_handlers(socket->fd, (select_handler_T) read_select, write_handler,
(select_handler_T) exception, socket);
}
struct terminal *init_term(int fdin, int fdout, void (*root_window)(struct window *, struct event *, int))
{
struct terminal *term;
struct window *win;
term = mem_alloc(sizeof (struct terminal));
memset(term, 0, sizeof(struct terminal));
term->fdin = fdin;
term->fdout = fdout;
term->master = term->fdout == get_output_handle();
/*term->x = 0;
term->y = 0;
term->cx = 0;
term->cy = 0;*/
term->lcx = -1;
term->lcy = -1;
term->dirty = 1;
term->redrawing = 0;
term->blocked = -1;
term->screen = DUMMY;
term->last_screen = DUMMY;
term->spec = &dumb_term;
term->term[0] = 0;
term->cwd[0] = 0;
term->input_queue = DUMMY;
term->qlen = 0;
init_list(term->windows);
win = mem_alloc(sizeof (struct window));
win->handler = root_window;
win->data = NULL;
win->term = term;
add_to_list(term->windows, win);
/*alloc_term_screen(term, 80, 25);*/
add_to_list(terminals, term);
set_handlers(fdin, (void (*)(void *))in_term, NULL, (void (*)(void *))destroy_terminal, term);
return term;
}