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eterm/src/startup.c

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/*
* Copyright (C) 1997-2004, Michael Jennings
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies of the Software, its documentation and marketing & publicity
* materials, and acknowledgment shall be given in the documentation, materials
* and software packages that this Software was used.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
static const char cvs_ident[] = "$Id$";
#include "config.h"
#include "feature.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <ctype.h>
#include <X11/cursorfont.h>
#include <X11/keysym.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <X11/Xos.h>
#include "startup.h"
#include "actions.h"
#include "buttons.h"
#include "command.h"
#include "eterm_utmp.h"
#include "events.h"
#include "options.h"
#include "pixmap.h"
#include "screen.h"
#include "scrollbar.h"
#include "term.h"
#include "windows.h"
#include "screamcfg.h"
char *orig_argv0;
#ifdef PIXMAP_SUPPORT
/* Set to one in case there is no WM, or a lousy one
that doesn't send the right events (*cough*
Window Maker *cough*) -- mej */
short bg_needs_update = 1;
#endif
TermWin_t TermWin;
Display *Xdisplay; /* display */
Colormap cmap;
char *display_name = NULL;
unsigned int colorfgbg;
Atom props[NUM_PROPS];
int
eterm_bootstrap(int argc, char *argv[])
{
int i;
char *val;
/* "WINDOWID=\0" = 10 chars, UINT_MAX = 10 chars */
static char windowid_string[20], *display_string, *term_string;
orig_argv0 = argv[0];
/* Security enhancements -- mej */
putenv("IFS= \t\n");
my_ruid = getuid();
my_euid = geteuid();
my_rgid = getgid();
my_egid = getegid();
privileges(REVERT);
install_handlers();
PABLO_START_TRACING();
getcwd(initial_dir, PATH_MAX);
init_libast();
/* Open display, get options/resources and create the window */
if (getenv("DISPLAY") == NULL) {
display_name = STRDUP(":0");
} else {
display_name = STRDUP(getenv("DISPLAY"));
}
/* This MUST be called before any other Xlib functions */
#ifdef SPIFOPT_SETTING_PREPARSE
SPIFOPT_FLAGS_SET(SPIFOPT_SETTING_PREPARSE);
#endif
spifopt_parse(argc, argv);
init_defaults();
#ifdef NEED_LINUX_HACK
privileges(INVOKE); /* xdm in new Linux versions requires ruid != root to open the display -- mej */
#endif
Xdisplay = XOpenDisplay(display_name);
#ifdef NEED_LINUX_HACK
privileges(REVERT);
#endif
if (!Xdisplay) {
print_error("can't open display %s\n", display_name);
exit(EXIT_FAILURE);
}
XSetErrorHandler((XErrorHandler) xerror_handler);
if (BITFIELD_IS_SET(eterm_options, ETERM_OPTIONS_INSTALL)) {
cmap = XCreateColormap(Xdisplay, Xroot, Xvisual, AllocNone);
XInstallColormap(Xdisplay, cmap);
} else {
cmap = Xcmap;
}
#ifdef PIXMAP_SUPPORT
imlib_context_set_display(Xdisplay);
imlib_context_set_visual(Xvisual);
imlib_context_set_colormap(cmap);
imlib_context_set_dither_mask(0);
#endif
get_modifiers(); /* Set up modifier masks before parsing config files. */
/* Get all our properties set up. */
MEMSET(props, 0, sizeof(props));
props[PROP_DESKTOP] = XInternAtom(Xdisplay, "_NET_WM_DESKTOP", False);
props[PROP_TRANS_PIXMAP] = XInternAtom(Xdisplay, "_XROOTPMAP_ID", False);
props[PROP_TRANS_COLOR] = XInternAtom(Xdisplay, "_XROOTCOLOR_PIXEL", False);
props[PROP_SELECTION_DEST] = XInternAtom(Xdisplay, "VT_SELECTION", False);
props[PROP_SELECTION_INCR] = XInternAtom(Xdisplay, "INCR", False);
props[PROP_SELECTION_TARGETS] = XInternAtom(Xdisplay, "TARGETS", False);
props[PROP_ENL_COMMS] = XInternAtom(Xdisplay, "ENLIGHTENMENT_COMMS", True);
props[PROP_ENL_MSG] = XInternAtom(Xdisplay, "ENL_MSG", False);
props[PROP_DELETE_WINDOW] = XInternAtom(Xdisplay, "WM_DELETE_WINDOW", False);
props[PROP_DND_PROTOCOL] = XInternAtom(Xdisplay, "DndProtocol", False);
props[PROP_DND_SELECTION] = XInternAtom(Xdisplay, "DndSelection", False);
props[PROP_EWMH_ICON] = XInternAtom(Xdisplay, "_NET_WM_ICON", False);
props[PROP_EWMH_OPACITY] = XInternAtom(Xdisplay, "_NET_WM_WINDOW_OPACITY", True);
if ((theme_dir = conf_parse_theme(&rs_theme, THEME_CFG, PARSE_TRY_ALL)) != NULL) {
char *tmp;
D_OPTIONS(("conf_parse_theme() returned \"%s\"\n", theme_dir));
tmp = (char *) MALLOC(strlen(theme_dir) + sizeof("ETERM_THEME_ROOT=\0"));
sprintf(tmp, "ETERM_THEME_ROOT=%s", theme_dir);
putenv(tmp);
}
if ((user_dir = conf_parse_theme(&rs_theme, (rs_config_file ? rs_config_file : USER_CFG), (PARSE_TRY_USER_THEME | PARSE_TRY_NO_THEME))) != NULL) {
char *tmp;
D_OPTIONS(("conf_parse_theme() returned \"%s\"\n", user_dir));
tmp = (char *) MALLOC(strlen(user_dir) + sizeof("ETERM_USER_ROOT=\0"));
sprintf(tmp, "ETERM_USER_ROOT=%s", user_dir);
putenv(tmp);
}
#if defined(PIXMAP_SUPPORT)
if (rs_path || theme_dir || user_dir) {
register unsigned long len;
register char *tmp;
len = strlen(initial_dir);
if (rs_path) {
len += strlen(rs_path) + 1; /* +1 for the colon */
}
if (theme_dir) {
len += strlen(theme_dir) + 1;
}
if (user_dir) {
len += strlen(user_dir) + 1;
}
tmp = MALLOC(len + 1); /* +1 here for the NUL */
snprintf(tmp, len + 1, "%s%s%s%s%s%s%s", (rs_path ? rs_path : ""), (rs_path ? ":" : ""), initial_dir,
(theme_dir ? ":" : ""), (theme_dir ? theme_dir : ""), (user_dir ? ":" : ""), (user_dir ? user_dir : ""));
tmp[len] = '\0';
FREE(rs_path);
rs_path = tmp;
D_OPTIONS(("New rs_path set to \"%s\"\n", rs_path));
}
#endif
spifopt_parse(argc, argv);
D_UTMP(("Saved real uid/gid = [ %d, %d ] effective uid/gid = [ %d, %d ]\n", my_ruid, my_rgid, my_euid, my_egid));
D_UTMP(("Now running with real uid/gid = [ %d, %d ] effective uid/gid = [ %d, %d ]\n", getuid(), getgid(), geteuid(), getegid()));
#ifdef ESCREEN
# define ESCREEN_PREFIX "Escreen"
TermWin.screen = NULL;
TermWin.screen_mode = NS_MODE_NONE;
if (rs_url) {
if (!BEG_STRCASECMP(rs_url, NS_TWIN_PROTO)) {
TermWin.screen_mode = NS_MODE_TWIN;
} else if (!BEG_STRCASECMP(rs_url, NS_SCREEN_PROTO)) {
TermWin.screen_mode = NS_MODE_SCREEN;
} else if (!BEG_STRCASECMP(rs_url, NS_SCREAM_PROTO)) {
TermWin.screen_mode = NS_MODE_SCREAM;
} else {
TermWin.screen_mode = NS_MODE_NEGOTIATE;
}
} else if (!strcmp(ESCREEN_PREFIX, my_basename(orig_argv0))) {
TermWin.screen_mode = NS_MODE_SCREEN;
}
#endif
post_parse();
#ifdef PREFER_24BIT
/*
* If depth is not 24, look for a 24bit visual.
*/
if (Xdepth != 24) {
XVisualInfo vinfo;
if (XMatchVisualInfo(Xdisplay, Xscreen, 24, TrueColor, &vinfo)) {
Xdepth = 24;
Xvisual = vinfo.visual;
cmap = XCreateColormap(Xdisplay, RootWindow(Xdisplay, Xscreen), Xvisual, AllocNone);
}
}
#endif
process_colors();
Create_Windows(argc, argv);
scr_reset(); /* initialize screen */
/* Initialize the scrollbar */
scrollbar_init(szHint.width, szHint.height - bbar_calc_docked_height(BBAR_DOCKED));
scrollbar_mapping((BITFIELD_IS_SET(eterm_options, ETERM_OPTIONS_SCROLLBAR)) && !((BITFIELD_IS_SET(eterm_options, ETERM_OPTIONS_SCROLLBAR_POPUP)) && !TermWin.focus));
/* Initialize the menu subsystem. */
menu_init();
if (buttonbar) {
bbar_init(buttonbar, szHint.width);
}
#if DEBUG >= DEBUG_X
if (DEBUG_LEVEL >= DEBUG_X) {
XSync(Xdisplay, False);
XSynchronize(Xdisplay, True);
}
#endif
#ifdef DISPLAY_IS_IP
/* Fixup display_name for export over pty to any interested terminal
* clients via "ESC[7n" (e.g. shells). Note we use the pure IP number
* (for the first non-loopback interface) that we get from
* network_display(). This is more "name-resolution-portable", if you
* will, and probably allows for faster x-client startup if your name
* server is beyond a slow link or overloaded at client startup. Of
* course that only helps the shell's child processes, not us.
*
* Giving out the display_name also affords a potential security hole
*/
val = display_name = network_display(display_name);
if (val == NULL)
#endif /* DISPLAY_IS_IP */
val = XDisplayString(Xdisplay);
if (display_name == NULL)
display_name = val; /* use broken `:0' value */
i = strlen(val);
display_string = MALLOC(i + 9);
sprintf(display_string, "DISPLAY=%s", val);
sprintf(windowid_string, "WINDOWID=%u", (unsigned int) TermWin.parent);
/* add entries to the environment:
* DISPLAY: X display name
* WINDOWID: X windowid of the window
* COLORTERM: Terminal supports color
* COLORTERM_BCE: Terminal supports BCE
* TERM: Terminal type for termcap/terminfo
*/
putenv(display_string);
putenv(windowid_string);
if (Xdepth <= 2) {
putenv("COLORTERM=" COLORTERMENV "-mono");
putenv("COLORTERM_BCE=" COLORTERMENV "-mono");
putenv("TERM=" TERMENV);
} else {
if (rs_term_name != NULL) {
i = strlen(rs_term_name);
term_string = MALLOC(i + 6);
sprintf(term_string, "TERM=%s", rs_term_name);
putenv(term_string);
} else {
#ifdef DEFINE_XTERM_COLOR
if (Xdepth <= 2)
putenv("TERM=" TERMENV);
else
putenv("TERM=" TERMENV "-color");
#else
putenv("TERM=" TERMENV);
#endif
}
putenv("COLORTERM=" COLORTERMENV);
putenv("COLORTERM_BCE=" COLORTERMENV);
}
putenv("ETERM_VERSION=" VERSION);
#ifdef NO_UTF8_LOCALE
/* Check locale for UTF-8 and deactivate if needed. */
val = getenv("LANG");
if (val && *val) {
char *tmp;
tmp = strcasestr(val, ".utf");
if (tmp) {
*tmp = 0;
}
}
#endif
D_CMD(("init_command()\n"));
init_command(rs_exec_args);
main_loop();
return (EXIT_SUCCESS);
}
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