diff options
Diffstat (limited to 'openembedded/packages/gtk+/files/migration.patch')
| -rw-r--r-- | openembedded/packages/gtk+/files/migration.patch | 619 |
1 files changed, 619 insertions, 0 deletions
diff --git a/openembedded/packages/gtk+/files/migration.patch b/openembedded/packages/gtk+/files/migration.patch new file mode 100644 index 0000000000..f4c7f853ad --- /dev/null +++ b/openembedded/packages/gtk+/files/migration.patch @@ -0,0 +1,619 @@ +Index: configure.in +=================================================================== +RCS file: /cvs/gnome/gtk+/configure.in,v +retrieving revision 1.419.2.4 +diff -u -r1.419.2.4 configure.in +--- configure.in 8 Feb 2005 21:39:42 -0000 1.419.2.4 ++++ configure.in 27 Feb 2005 13:10:16 -0000 +@@ -1495,6 +1495,16 @@ + GTK_DEP_LIBS="$GDK_EXTRA_LIBS $GTK_DEP_LIBS_FOR_X `$PKG_CONFIG --libs $GDK_PIXBUF_PACKAGES $GDK_PACKAGES $GTK_PACKAGES` $GTK_EXTRA_LIBS $GDK_PIXBUF_EXTRA_LIBS" + GTK_DEP_CFLAGS="`$PKG_CONFIG --cflags gthread-2.0 $GDK_PIXBUF_PACKAGES $GDK_PACKAGES $GTK_PACKAGES` $GDK_PIXBUF_EXTRA_CFLAGS $GDK_EXTRA_CFLAGS $GTK_EXTRA_CFLAGS" + ++AC_ARG_ENABLE(display-migration, ++ [AC_HELP_STRING([--enable-display-migration], ++ [include support for GPE_CHANGE_DISPLAY protocol])], ++ enable_migration=yes, enable_migration=no) ++if test "$enable_migration" = "yes"; then ++ AC_DEFINE([ENABLE_MIGRATION], 1, [Define if display migration is enabled]) ++ GTK_DEP_LIBS="$GTK_DEP_LIBS -lgcrypt" ++fi ++AM_CONDITIONAL(ENABLE_MIGRATION, test $enable_migration = "yes") ++ + AC_SUBST(GTK_PACKAGES) + AC_SUBST(GTK_EXTRA_LIBS) + AC_SUBST(GTK_EXTRA_CFLAGS) +Index: gtk/Makefile.am +=================================================================== +RCS file: /cvs/gnome/gtk+/gtk/Makefile.am,v +retrieving revision 1.266.2.1 +diff -u -r1.266.2.1 Makefile.am +--- gtk/Makefile.am 13 Jan 2005 15:18:21 -0000 1.266.2.1 ++++ gtk/Makefile.am 27 Feb 2005 13:10:17 -0000 +@@ -520,6 +520,10 @@ + gtkwindow.c \ + xembed.h + ++if ENABLE_MIGRATION ++gtk_c_sources += gtkmigration.c ++endif ++ + if OS_UNIX + gtk_private_h_sources += gtkfilesystemunix.h + gtk_c_sources += gtkfilesystemunix.c +Index: gtk/gtkmain.c +=================================================================== +RCS file: /cvs/gnome/gtk+/gtk/gtkmain.c,v +retrieving revision 1.255 +diff -u -r1.255 gtkmain.c +--- gtk/gtkmain.c 27 Dec 2004 05:25:15 -0000 1.255 ++++ gtk/gtkmain.c 27 Feb 2005 13:10:19 -0000 +@@ -491,6 +491,10 @@ + _gtk_accel_map_init (); + _gtk_rc_init (); + ++#ifdef ENABLE_MIGRATION ++ gtk_migration_init (); ++#endif ++ + /* Set the 'initialized' flag. + */ + gtk_initialized = TRUE; +Index: gtk/gtkwindow.c +=================================================================== +RCS file: /cvs/gnome/gtk+/gtk/gtkwindow.c,v +retrieving revision 1.281.2.4 +diff -u -r1.281.2.4 gtkwindow.c +--- gtk/gtkwindow.c 21 Feb 2005 04:21:49 -0000 1.281.2.4 ++++ gtk/gtkwindow.c 27 Feb 2005 13:10:56 -0000 +@@ -731,6 +731,8 @@ + add_tab_bindings (binding_set, GDK_CONTROL_MASK | GDK_SHIFT_MASK, GTK_DIR_TAB_BACKWARD); + } + ++extern void gtk_migration_mark_window (GtkWidget *w); ++ + static void + gtk_window_init (GtkWindow *window) + { +@@ -790,6 +792,10 @@ + "event", + G_CALLBACK (gtk_window_event), + NULL); ++ ++#ifdef ENABLE_MIGRATION ++ gtk_migration_mark_window (window); ++#endif + } + + static void +--- /dev/null 2005-02-20 01:07:50.714416160 +0000 ++++ gtk/gtkmigration.c 2005-02-27 15:05:04.052757352 +0000 +@@ -0,0 +1,529 @@ ++/* ++ * Copyright (C) 2003, 2005 Philip Blundell <philb@gnu.org> ++ * ++ * This program is free software; you can redistribute it and/or ++ * modify it under the terms of the GNU General Public License ++ * as published by the Free Software Foundation; either version ++ * 2 of the License, or (at your option) any later version. ++ */ ++ ++#include <stdlib.h> ++#include <ctype.h> ++#include <libintl.h> ++#include <string.h> ++#include <assert.h> ++ ++#include <X11/X.h> ++#include <X11/Xlib.h> ++#include <X11/Xatom.h> ++ ++#include <gcrypt.h> ++ ++#include "gtk.h" ++#include "gdk.h" ++#include "x11/gdkx.h" ++ ++#define _(x) gettext(x) ++ ++static GdkAtom string_gdkatom, display_change_gdkatom; ++static GdkAtom rsa_challenge_gdkatom; ++ ++#define DISPLAY_CHANGE_SUCCESS 0 ++#define DISPLAY_CHANGE_UNABLE_TO_CONNECT 1 ++#define DISPLAY_CHANGE_NO_SUCH_SCREEN 2 ++#define DISPLAY_CHANGE_AUTHENTICATION_BAD 3 ++#define DISPLAY_CHANGE_INDETERMINATE_ERROR 4 ++ ++static gboolean no_auth; ++ ++static GSList *all_widgets; ++ ++static gboolean gtk_migration_initialised; ++ ++#define CHALLENGE_LEN 64 ++ ++gchar *gtk_migration_auth_challenge_string; ++ ++static unsigned char challenge_bytes[CHALLENGE_LEN]; ++static unsigned long challenge_seq; ++ ++#define hexbyte(x) ((x) >= 10 ? (x) + 'a' - 10 : (x) + '0') ++ ++struct rsa_key ++{ ++ gcry_mpi_t n, e, d, p, q, u; ++}; ++ ++static gcry_mpi_t ++mpi_from_sexp (gcry_sexp_t r, char *tag) ++{ ++ gcry_sexp_t s = gcry_sexp_find_token (r, tag, 0); ++ return gcry_sexp_nth_mpi (s, 1, GCRYMPI_FMT_USG); ++} ++ ++static char * ++hex_from_mpi (gcry_mpi_t m) ++{ ++ char *buf; ++ gcry_mpi_aprint (GCRYMPI_FMT_HEX, (void *)&buf, NULL, m); ++ return buf; ++} ++ ++static void ++gtk_migration_crypt_create_hash (char *display, char *challenge, size_t len, char *result) ++{ ++ size_t dlen = strlen (display); ++ gchar *buf = g_malloc (dlen + 1 + len); ++ strcpy (buf, display); ++ memcpy (buf + dlen + 1, challenge, len); ++ gcry_md_hash_buffer (GCRY_MD_SHA1, result, buf, len + dlen + 1); ++ g_free (buf); ++} ++ ++static int ++do_encode_md (const unsigned char *digest, size_t digestlen, int algo, ++ unsigned int nbits, gcry_mpi_t *r_val) ++{ ++ int nframe = (nbits+7) / 8; ++ unsigned char *frame; ++ int i, n; ++ unsigned char asn[100]; ++ size_t asnlen; ++ ++ asnlen = sizeof(asn); ++ if (gcry_md_algo_info (algo, GCRYCTL_GET_ASNOID, asn, &asnlen)) ++ return -1; ++ ++ if (digestlen + asnlen + 4 > nframe ) ++ return -1; ++ ++ /* We encode the MD in this way: ++ * ++ * 0 1 PAD(n bytes) 0 ASN(asnlen bytes) MD(len bytes) ++ * ++ * PAD consists of FF bytes. ++ */ ++ frame = g_malloc (nframe); ++ n = 0; ++ frame[n++] = 0; ++ frame[n++] = 1; /* block type */ ++ i = nframe - digestlen - asnlen -3 ; ++ assert ( i > 1 ); ++ memset ( frame+n, 0xff, i ); n += i; ++ frame[n++] = 0; ++ memcpy ( frame+n, asn, asnlen ); n += asnlen; ++ memcpy ( frame+n, digest, digestlen ); n += digestlen; ++ assert ( n == nframe ); ++ ++ gcry_mpi_scan (r_val, GCRYMPI_FMT_USG, frame, nframe, &nframe); ++ g_free (frame); ++ return 0; ++} ++ ++static gboolean ++gtk_migration_crypt_check_signature (struct rsa_key *k, char *hash, char *sigbuf) ++{ ++ gcry_mpi_t mpi, mpi2; ++ gcry_sexp_t data, sig, key; ++ int rc; ++ ++ do_encode_md (hash, 20, GCRY_MD_SHA1, 1024, &mpi); ++ ++ gcry_sexp_build (&data, NULL, "(data (value %m))", mpi); ++ ++ gcry_mpi_release (mpi); ++ ++ gcry_sexp_build (&key, NULL, "(public-key (rsa (n %m) (e %m)))", k->n, k->e); ++ ++ if (gcry_mpi_scan (&mpi2, GCRYMPI_FMT_HEX, sigbuf, 0, NULL)) ++ { ++ gcry_sexp_release (data); ++ return FALSE; ++ } ++ ++ gcry_sexp_build (&sig, NULL, "(sig-val (rsa (s %m)))", mpi2); ++ ++ rc = gcry_pk_verify (sig, data, key); ++ ++ gcry_sexp_release (data); ++ gcry_sexp_release (key); ++ gcry_sexp_release (sig); ++ gcry_mpi_release (mpi2); ++ ++ if (rc) ++ return FALSE; ++ ++ return TRUE; ++} ++ ++static void ++gtk_migration_auth_update_challenge (void) ++{ ++ int i; ++ unsigned char *p; ++ ++ if (gtk_migration_auth_challenge_string == NULL) ++ gtk_migration_auth_challenge_string = g_malloc ((CHALLENGE_LEN * 2) + 9); ++ ++ p = gtk_migration_auth_challenge_string; ++ ++ for (i = 0; i < CHALLENGE_LEN; i++) ++ { ++ *p++ = hexbyte (challenge_bytes[i] >> 4); ++ *p++ = hexbyte (challenge_bytes[i] & 15); ++ } ++ ++ sprintf (p, "%08lx", challenge_seq++); ++} ++ ++static void ++gtk_migration_auth_generate_challenge (void) ++{ ++ gcry_randomize (challenge_bytes, sizeof (challenge_bytes), GCRY_STRONG_RANDOM); ++ gtk_migration_auth_update_challenge (); ++} ++ ++static struct rsa_key * ++parse_pubkey (char *s) ++{ ++ struct rsa_key *r; ++ gcry_mpi_t n, e; ++ gchar *sp; ++ ++ sp = strtok (s, " \n"); ++ gcry_mpi_scan (&e, GCRYMPI_FMT_HEX, sp, 0, NULL); ++ sp = strtok (NULL, " \n"); ++ gcry_mpi_scan (&n, GCRYMPI_FMT_HEX, sp, 0, NULL); ++ ++ r = g_malloc0 (sizeof (struct rsa_key)); ++ r->e = e; ++ r->n = n; ++ return r; ++} ++ ++static struct rsa_key * ++lookup_pubkey (u_int32_t id) ++{ ++ const gchar *home_dir = g_get_home_dir (); ++ gchar *filename = g_strdup_printf ("%s/.gpe/migrate/public", home_dir); ++ FILE *fp = fopen (filename, "r"); ++ struct rsa_key *r = NULL; ++ ++ if (fp) ++ { ++ while (!feof (fp)) ++ { ++ char buffer[4096]; ++ if (fgets (buffer, 4096, fp)) ++ { ++ char *p; ++ u_int32_t this_id = strtoul (buffer, &p, 16); ++ if (p != buffer && *p == ' ') ++ { ++#ifdef DEBUG ++ fprintf (stderr, "found id %x\n", this_id); ++#endif ++ if (this_id == id) ++ { ++ r = parse_pubkey (++p); ++ break; ++ } ++ } ++ } ++ } ++ fclose (fp); ++ } ++ ++ g_free (filename); ++ return r; ++} ++ ++static void ++free_pubkey (struct rsa_key *k) ++{ ++ gcry_mpi_release (k->n); ++ gcry_mpi_release (k->e); ++ ++ g_free (k); ++} ++ ++static gboolean ++gtk_migration_auth_validate_request (char *display, char *data) ++{ ++ u_int32_t key_id; ++ char *ep; ++ char *p; ++ struct rsa_key *k; ++ char hash[20]; ++ gboolean rc; ++ ++ p = strchr (data, ' '); ++ if (p == NULL) ++ return FALSE; ++ *p++ = 0; ++ ++ key_id = strtoul (data, &ep, 16); ++ if (*ep) ++ return FALSE; ++ ++ k = lookup_pubkey (key_id); ++ if (k == NULL) ++ return FALSE; ++ ++ gtk_migration_crypt_create_hash (display, gtk_migration_auth_challenge_string, ++ strlen (gtk_migration_auth_challenge_string), hash); ++ ++ rc = gtk_migration_crypt_check_signature (k, hash, p); ++ ++ free_pubkey (k); ++ ++ return rc; ++} ++ ++static int ++do_change_display (GtkWidget *w, char *display_name) ++{ ++ GdkDisplay *newdisplay; ++ guint screen_nr = 1; ++ guint i; ++ ++ if (display_name[0] == 0) ++ return DISPLAY_CHANGE_INDETERMINATE_ERROR; ++ ++ i = strlen (display_name) - 1; ++ while (i > 0 && isdigit (display_name[i])) ++ i--; ++ ++ if (display_name[i] == '.') ++ { ++ screen_nr = atoi (display_name + i + 1); ++ display_name[i] = 0; ++ } ++ ++ newdisplay = gdk_display_open (display_name); ++ if (newdisplay) ++ { ++ GdkScreen *screen = gdk_display_get_screen (newdisplay, screen_nr); ++ if (screen) ++ { ++ gtk_window_set_screen (GTK_WINDOW (w), screen); ++ gdk_display_manager_set_default_display (gdk_display_manager_get (), ++ newdisplay); ++ return DISPLAY_CHANGE_SUCCESS; ++ } ++ else ++ return DISPLAY_CHANGE_NO_SUCH_SCREEN; ++ } ++ ++ return DISPLAY_CHANGE_UNABLE_TO_CONNECT; ++} ++ ++static void ++set_challenge_on_window (GdkWindow *window) ++{ ++ gdk_property_change (window, rsa_challenge_gdkatom, string_gdkatom, ++ 8, GDK_PROP_MODE_REPLACE, gtk_migration_auth_challenge_string, ++ strlen (gtk_migration_auth_challenge_string)); ++} ++ ++static void ++update_challenge_on_windows (void) ++{ ++ GSList *i; ++ ++ gtk_migration_auth_update_challenge (); ++ ++ for (i = all_widgets; i; i = i->next) ++ { ++ GtkWidget *w = GTK_WIDGET (i->data); ++ if (w->window) ++ set_challenge_on_window (w->window); ++ } ++} ++ ++static void ++reset_state (GdkWindow *window) ++{ ++ gdk_property_change (window, display_change_gdkatom, string_gdkatom, ++ 8, GDK_PROP_MODE_REPLACE, NULL, 0); ++} ++ ++static void ++generate_response (GdkDisplay *gdisplay, Display *dpy, Window window, int code) ++{ ++ XClientMessageEvent ev; ++ Atom atom = gdk_x11_atom_to_xatom_for_display (gdisplay, ++ display_change_gdkatom); ++ ++ memset (&ev, 0, sizeof (ev)); ++ ++ ev.type = ClientMessage; ++ ev.window = window; ++ ev.message_type = atom; ++ ev.format = 32; ++ ++ ev.data.l[0] = window; ++ ev.data.l[1] = code; ++ ++ XSendEvent (dpy, DefaultRootWindow (dpy), False, SubstructureNotifyMask, (XEvent *)&ev); ++} ++ ++static int ++handle_request (GdkWindow *gwindow, char *prop) ++{ ++ GtkWidget *widget; ++ char *target, *auth_method, *auth_data; ++ char *p; ++ ++ target = prop; ++ auth_method = "NULL"; ++ auth_data = NULL; ++ ++ p = strchr (prop, ' '); ++ if (p) ++ { ++ *p = 0; ++ auth_method = ++p; ++ ++ p = strchr (p, ' '); ++ if (p) ++ { ++ *p = 0; ++ auth_data = ++p; ++ } ++ } ++ ++ if (no_auth == FALSE) ++ { ++ if (!strcasecmp (auth_method, "null")) ++ return DISPLAY_CHANGE_AUTHENTICATION_BAD; ++ else if (!strcasecmp (auth_method, "rsa-sig")) ++ { ++ if (gtk_migration_auth_validate_request (target, auth_data) == FALSE) ++ return DISPLAY_CHANGE_AUTHENTICATION_BAD; ++ } ++ else ++ return DISPLAY_CHANGE_AUTHENTICATION_BAD; ++ } ++ ++ gdk_window_get_user_data (gwindow, (gpointer*) &widget); ++ ++ if (widget) ++ return do_change_display (widget, target); ++ ++ return DISPLAY_CHANGE_INDETERMINATE_ERROR; ++} ++ ++static GdkFilterReturn ++filter_func (GdkXEvent *xevp, GdkEvent *ev, gpointer p) ++{ ++ XPropertyEvent *xev = (XPropertyEvent *)xevp; ++ ++ if (xev->type == PropertyNotify) ++ { ++ GdkDisplay *gdisplay; ++ Atom atom; ++ ++ gdisplay = gdk_x11_lookup_xdisplay (xev->display); ++ if (gdisplay) ++ { ++ atom = gdk_x11_atom_to_xatom_for_display (gdisplay, display_change_gdkatom); ++ ++ if (xev->atom == atom) ++ { ++ GdkWindow *gwindow; ++ ++ gwindow = gdk_window_lookup_for_display (gdisplay, xev->window); ++ ++ if (gwindow) ++ { ++ GdkAtom actual_type; ++ gint actual_format; ++ gint actual_length; ++ unsigned char *prop = NULL; ++ ++ if (gdk_property_get (gwindow, display_change_gdkatom, string_gdkatom, ++ 0, G_MAXLONG, FALSE, &actual_type, &actual_format, ++ &actual_length, &prop)) ++ { ++ if (actual_length != 0) ++ { ++ if (actual_type == string_gdkatom && actual_length > 8) ++ { ++ gchar *buf = g_malloc (actual_length + 1); ++ int rc; ++ ++ memcpy (buf, prop, actual_length); ++ buf[actual_length] = 0; ++ ++ rc = handle_request (gwindow, buf); ++ ++ g_free (buf); ++ generate_response (gdisplay, xev->display, xev->window, rc); ++ ++ if (rc == DISPLAY_CHANGE_SUCCESS) ++ update_challenge_on_windows (); ++ } ++ ++ reset_state (gwindow); ++ } ++ } ++ ++ if (prop) ++ g_free (prop); ++ } ++ } ++ ++ return GDK_FILTER_REMOVE; ++ } ++ } ++ ++ return GDK_FILTER_CONTINUE; ++} ++ ++static void ++unrealize_window (GtkWidget *w) ++{ ++ all_widgets = g_slist_remove (all_widgets, w); ++} ++ ++void ++gtk_migration_mark_window (GtkWidget *w) ++{ ++ if (! gtk_migration_initialised) ++ { ++ g_warning ("gtk_migration not initialised yet"); ++ return; ++ } ++ ++ if (GTK_WIDGET_REALIZED (w)) ++ { ++ GdkWindow *window = w->window; ++ ++ gdk_window_add_filter (window, filter_func, NULL); ++ ++ reset_state (window); ++ set_challenge_on_window (window); ++ ++ all_widgets = g_slist_append (all_widgets, w); ++ ++ g_signal_connect (G_OBJECT (w), "unrealize", G_CALLBACK (unrealize_window), NULL); ++ } ++ else ++ g_signal_connect (G_OBJECT (w), "realize", G_CALLBACK (gtk_migration_mark_window), NULL); ++} ++ ++void ++gtk_migration_init (void) ++{ ++ if (getenv ("GPE_DISPLAY_MIGRATION_NO_AUTH") != NULL) ++ no_auth = TRUE; ++ ++ string_gdkatom = gdk_atom_intern ("STRING", FALSE); ++ display_change_gdkatom = gdk_atom_intern ("_GPE_DISPLAY_CHANGE", FALSE); ++ rsa_challenge_gdkatom = gdk_atom_intern ("_GPE_DISPLAY_CHANGE_RSA_CHALLENGE", FALSE); ++ ++ gtk_migration_auth_generate_challenge (); ++ ++ gtk_migration_initialised = TRUE; ++} |