int iface_down(interface_defn *iface) {
if (!iface->method->down(iface,check)) return -1;
set_environ(iface, "stop", "pre-down");
if (!execute_all(iface,doit,"down")) return 0;
if (!iface->method->down(iface,doit)) return 0;
set_environ(iface, "stop", "post-down");
if (!execute_all(iface,doit,"post-down")) return 0;
return 1;
}
int iface_up(interface_defn *iface) {
if (!iface->method->up(iface,check)) return -1;
set_environ(iface, "start", "pre-up");
if (!execute_all(iface,doit,"pre-up")) return 0;
if (!iface->method->up(iface,doit)) return 0;
set_environ(iface, "start", "post-up");
if (!execute_all(iface,doit,"up")) return 0;
return 1;
}
int
getCharSize()
{
FILE *f;
Str tmp;
int w = 0, h = 0;
set_environ("W3M_TTY", ttyname_tty());
tmp = Strnew();
if (!strchr(Imgdisplay, '/'))
Strcat_m_charp(tmp, w3m_auxbin_dir(), "/", NULL);
Strcat_m_charp(tmp, Imgdisplay, " -test 2>/dev/null", NULL);
f = popen(tmp->ptr, "r");
if (!f)
return FALSE;
while (fscanf(f, "%d %d", &w, &h) < 0) {
if (feof(f))
break;
}
pclose(f);
if (!(w > 0 && h > 0))
return FALSE;
if (!set_pixel_per_char)
pixel_per_char = (int)(1.0 * w / COLS + 0.5);
if (!set_pixel_per_line)
pixel_per_line = (int)(1.0 * h / LINES + 0.5);
return TRUE;
}
static void
writeLocalCookie()
{
FILE *f;
if (no_rc_dir)
return;
if (Local_cookie_file)
return;
Local_cookie_file = tmpfname(TMPF_COOKIE, NULL)->ptr;
set_environ("LOCAL_COOKIE_FILE", Local_cookie_file);
f = fopen(Local_cookie_file, "wb");
if (!f)
return;
localCookie();
fwrite(Local_cookie->ptr, sizeof(char), Local_cookie->length, f);
fclose(f);
chmod(Local_cookie_file, S_IRUSR | S_IWUSR);
}
/*
* Try to open a XIM with the current modifiers, then see if we can
* open a suitable preedit type
*/
bool
rxvt_term::IM_get_IC (const char *modifiers)
{
int i, j, found;
XIM xim;
XPoint spot;
XRectangle rect, status_rect, needed_rect;
unsigned long fg, bg;
const char *p;
char **s;
XIMStyles *xim_styles;
#ifdef ENABLE_XIM_ONTHESPOT
XIMCallback xcb[4];
#endif
set_environ (envv);
if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
return false;
input_method = display->get_xim (locale, modifiers);
if (input_method == NULL)
return false;
xim = input_method->xim;
spot.x = spot.y = -1;
xim_styles = NULL;
if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
|| !xim_styles || !xim_styles->count_styles)
{
im_destroy ();
return false;
}
const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
for (int pi = 0; pi < 2; pi++)
{
p = pet[pi];
if (!p)
continue;
s = rxvt_splitcommastring (p);
for (i = found = 0; !found && s[i]; i++)
{
if (!strcmp (s[i], "OverTheSpot"))
input_style = XIMPreeditPosition | XIMStatusNothing;
else if (!strcmp (s[i], "OffTheSpot"))
input_style = XIMPreeditArea | XIMStatusArea;
else if (!strcmp (s[i], "Root"))
input_style = XIMPreeditNothing | XIMStatusNothing;
else if (!strcmp (s[i], "None"))
input_style = XIMPreeditNone | XIMStatusNone;
#ifdef ENABLE_XIM_ONTHESPOT
else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
input_style = XIMPreeditCallbacks | XIMStatusNothing;
#endif
else
input_style = XIMPreeditNothing | XIMStatusNothing;
for (j = 0; j < xim_styles->count_styles; j++)
if (input_style == xim_styles->supported_styles[j])
{
rxvt_freecommastring (s);
found = 1;
goto foundpet;
}
}
rxvt_freecommastring (s);
}
foundpet:
XFree (xim_styles);
if (!found)
{
im_destroy ();
return false;
}
XFontSet fs = 0;
XVaNestedList preedit_attr = 0, status_attr = 0;
if (input_style & (XIMPreeditPosition | XIMPreeditArea))
{
// fake us a font-set, please
char **missing_charset_list;
int missing_charset_count;
char *def_string;
char pat[512];
sprintf (pat,
"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
"*",
fheight,
fheight + 1, fheight - 1,
fheight - 2, fheight + 2);
fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
&missing_charset_list, &missing_charset_count, &def_string);
if (missing_charset_list)
XFreeStringList (missing_charset_list);
if (!fs)
{
input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
}
}
if (input_style & XIMPreeditPosition)
{
im_set_size (rect);
im_set_position (spot);
im_set_color (fg, bg);
preedit_attr = XVaCreateNestedList (0,
XNForeground, fg,
XNBackground, bg,
XNArea, &rect,
XNSpotLocation, &spot,
XNFontSet, fs,
NULL);
}
else if (input_style & XIMPreeditArea)
{
im_set_color (fg, bg);
/*
* The necessary width of preedit area is unknown
* until create input context.
*/
needed_rect.width = 0;
im_set_preedit_area (rect, status_rect, needed_rect);
preedit_attr = XVaCreateNestedList (0,
XNForeground, fg,
XNBackground, bg,
XNArea, &rect,
XNFontSet, fs,
NULL);
status_attr = XVaCreateNestedList (0,
XNForeground, fg,
XNBackground, bg,
XNArea, &status_rect,
XNFontSet, fs,
NULL);
}
#if ENABLE_XIM_ONTHESPOT
else if (input_style & XIMPreeditCallbacks)
{
im_set_position (spot);
xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
# if 0
xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
# endif
preedit_attr = XVaCreateNestedList (0,
XNSpotLocation, &spot,
XNPreeditStartCallback, &xcb[0],
XNPreeditDoneCallback , &xcb[1],
XNPreeditDrawCallback , &xcb[2],
# if 0
XNPreeditCaretCallback, &xcb[3],
# endif
NULL);
}
#endif
Input_Context = XCreateIC (xim,
XNInputStyle, input_style,
XNClientWindow, vt,
XNFocusWindow, parent[0],
preedit_attr ? XNPreeditAttributes : NULL,
preedit_attr,
status_attr ? XNStatusAttributes : NULL,
status_attr, NULL);
if (preedit_attr) XFree (preedit_attr);
if (status_attr) XFree (status_attr);
if (fs) XFreeFontSet (dpy, fs);
if (Input_Context == NULL)
{
rxvt_warn ("failed to create input context, continuing without XIM.\n");
im_destroy ();
return false;
}
#if 0
// unfortunately, only the focus window is used by XIM, hard to fix
if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
vt_select_input ();
#endif
IMSetPosition ();
return true;
}
/**
* Do everything before the fork and do everything the exec fork
*
* @param argc The number of command line arguments
* @param argv The command line arguments
*/
void do_login(int argc, char** argv)
{
char* username = NULL;
char* hostname = NULL;
char preserve_env = 0;
int ret;
#ifdef USE_TTY_GROUP
struct group* group;
#endif
#if AUTH > 0
/* Disable echoing */
passphrase_disable_echo1(STDIN_FILENO /* Will be the terminal. */);
/* This should be done as early and quickly as possible so as little
as possible of the passphrase gets leaked to the output if the user
begins entering the passphrase directly after the username. */
#endif
/* Set process group ID */
setpgrp();
/* Parse command line arguments */
{
char double_dashed = 0;
char hostname_on_next = 0;
int i;
for (i = 1; i < argc; i++)
{
char *arg = *(argv + i);
char c;
if (*arg == 0)
;
else if ((*arg == '-') && (double_dashed == 0))
while ((c = *(++arg)))
if (c == 'H')
;
else if (c == 'V')
_exit(2);
else if (c == 'p')
preserve_env = 1;
else if (c == 'h')
{
if (*(arg + 1))
hostname = arg + 1;
else
hostname_on_next = 1;
break;
}
else if (c == 'f')
{
if (*(arg + 1))
username = arg + 1;
skip_auth = 1;
break;
}
else if (c == '-')
{
double_dashed = 1;
break;
}
else
printf("%s: unrecognised options: -%c\n", *argv, c);
else if (hostname_on_next)
{
hostname = arg;
hostname_on_next = 0;
}
else
username = arg;
}
}
/* Change that a username has been specified */
if (username == NULL)
{
printf("%s: no username specified\n", *argv);
sleep(ERROR_SLEEP);
_exit(2);
}
/* Verify that the user may login */
ret = fork_exec_wait_hook(HOOK_VERIFY, argc, argv);
if ((ret >= 0) && WIFEXITED(ret) && (WEXITSTATUS(ret) == 1))
{
sleep(ERROR_SLEEP);
_exit(2);
}
if (skip_auth)
{
/* Reset terminal settings */
passphrase_reenable_echo1(STDIN_FILENO);
/* Only root may bypass authentication */
if (getuid())
{
printf("%s: only root by use the -f option\n", *argv);
sleep(ERROR_SLEEP);
_exit(2);
}
}
/* Print ant we want a passphrase, if -f has not been used */
else
{
printf("Passphrase: ");
fflush(stdout);
}
/* Done early to make to program look like it is even faster than it is */
/* Make sure nopony is spying */
#ifdef USE_TTY_GROUP
if ((group = getgrnam(TTY_GROUP)))
tty_group = group->gr_gid;
endgrent();
#endif
secure_tty(tty_group);
#if AUTH > 0
if (skip_auth == 0)
{
/* Redisable echoing */
passphrase_disable_echo1(STDIN_FILENO);
}
#endif
/* Set up clean quiting and time out */
signal(SIGALRM, timeout_quit);
signal(SIGQUIT, user_quit);
signal(SIGINT, user_quit);
siginterrupt(SIGALRM, 1);
siginterrupt(SIGQUIT, 1);
siginterrupt(SIGINT, 1);
#if AUTH > 0
alarm(TIMEOUT_SECONDS);
#endif
/* Get user information */
if ((entry = getpwnam(username)) == NULL)
{
if (errno)
perror("getpwnam");
else
printf("User does not exist\n");
sleep(ERROR_SLEEP);
_exit(1);
}
endpwent();
username = entry->pw_name;
/* Verify passphrase or other token, if -f has not been used */
ret = 2;
#if AUTH == 0
(void) hostname;
#else
initialise_login(hostname, username, read_passphrase);
if (skip_auth == 0)
ret = authenticate_login();
/* Passphrase entered, turn off timeout */
alarm(0);
#endif
if (ret == 2)
printf("(auto-authenticated)\n");
if (ret == 0)
{
preexit();
fork_exec_wait_hook(HOOK_DENIED, argc, argv);
xsleep(FAILURE_SLEEP);
_exit(1);
}
preexit();
/* Verify account, such as that it is enabled */
verify_account();
/* Run login hook */
fork_exec_wait_hook(HOOK_LOGIN, argc, argv);
/* Partial login */
chown_tty(entry->pw_uid, tty_group, 0);
chdir_home(entry);
ensure_shell(entry);
set_environ(entry, preserve_env);
open_login_session();
/* Stop signal handling */
signal(SIGALRM, SIG_DFL);
signal(SIGQUIT, SIG_DFL);
signal(SIGTSTP, SIG_IGN);
child_pid = fork();
/* vfork cannot be used as the child changes the user,
the parent would not be able to chown the TTY */
if (child_pid == -1)
{
perror("fork");
close_login_session();
sleep(ERROR_SLEEP);
_exit(1);
}
else if (child_pid)
return; /* Do not go beyond this in the parent */
/* In case the shell does not do this */
setsid();
/* Set controlling terminal */
if (ioctl(STDIN_FILENO, TIOCSCTTY, 1))
perror("TIOCSCTTY");
signal(SIGINT, SIG_DFL);
/* Partial login */
ret = entry->pw_uid
? initgroups(username, entry->pw_gid) /* supplemental groups for user, can require network */
: setgroups(0, NULL); /* supplemental groups for root, does not require netork */
if (ret == -1)
{
perror(entry->pw_uid ? "initgroups" : "setgroups");
sleep(ERROR_SLEEP);
_exit(1);
}
set_user(entry);
exec_shell(entry);
}
