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-rw-r--r--daemon/choose.c363
1 files changed, 0 insertions, 363 deletions
diff --git a/daemon/choose.c b/daemon/choose.c
deleted file mode 100644
index bd08b10c..00000000
--- a/daemon/choose.c
+++ /dev/null
@@ -1,363 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
- *
- * GDM - The GNOME Display Manager
- * Copyright (C) 1998, 1999, 2000 Martin K. Petersen <mkp@mkp.net>
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-/* This file contains the XDMCP chooser glue */
-
-#include "config.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <errno.h>
-#include <X11/Xlib.h>
-#include <X11/Xmd.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/utsname.h>
-#include <fcntl.h>
-#include <string.h>
-
-#include "gdm.h"
-#include "misc.h"
-#include "choose.h"
-#include "xdmcp.h"
-
-#include "gdm-common.h"
-#include "gdm-log.h"
-#include "gdm-daemon-config.h"
-
-#include "gdm-socket-protocol.h"
-
-static gint ipending = 0;
-static GSList *indirect = NULL;
-
-static guint indirect_id = 1;
-
-static gboolean
-remove_oldest_pending (void)
-{
- GSList *li;
- GdmIndirectDisplay *oldest = NULL;
-
- for (li = indirect; li != NULL; li = li->next) {
- GdmIndirectDisplay *idisp = li->data;
- if (idisp->acctime == 0)
- continue;
-
- if (oldest == NULL ||
- idisp->acctime < oldest->acctime) {
- oldest = idisp;
- }
- }
-
- if (oldest != NULL) {
- gdm_choose_indirect_dispose (oldest);
- return TRUE;
- } else {
- return FALSE;
- }
-}
-
-#ifndef XDM_UDP_PORT
-#define XDM_UDP_PORT 177
-#endif
-
-static gboolean
-get_first_address_for_node (const char *node,
- struct sockaddr_storage **sa)
-{
- struct addrinfo hints;
- struct addrinfo *ai_list;
- struct addrinfo *ai;
- int gaierr;
- gboolean found;
- char strport[NI_MAXSERV];
-
- found = FALSE;
-
- memset (&hints, 0, sizeof (hints));
- hints.ai_family = AF_UNSPEC;
-
- snprintf (strport, sizeof (strport), "%u", XDM_UDP_PORT);
-
- if ((gaierr = getaddrinfo (node, strport, &hints, &ai_list)) != 0) {
- g_warning ("Unable get address: %s", gai_strerror (gaierr));
- return FALSE;
- }
-
- for (ai = ai_list; ai != NULL; ai = ai->ai_next) {
- if (ai->ai_family != AF_INET && ai->ai_family != AF_INET6) {
- continue;
- }
-#ifndef ENABLE_IPV6
- if (ai->ai_family == AF_INET6) {
- continue;
- }
-#endif
- found = TRUE;
- break;
- }
-
- if (ai != NULL) {
- if (sa != NULL) {
- *sa = g_memdup (ai->ai_addr, ai->ai_addrlen);
- }
- }
-
- freeaddrinfo (ai_list);
-
- return found;
-}
-
-gboolean
-gdm_choose_data (const char *data)
-{
- int id;
- struct sockaddr_storage *sa;
- GSList *li;
- char *msg;
- char *p;
- char *host;
- gboolean ret;
-
- msg = g_strdup (data);
- sa = NULL;
- ret = FALSE;
-
- p = strtok (msg, " ");
- if (p == NULL || strcmp (GDM_SOP_CHOSEN, p) != 0) {
- goto out;
- }
-
- p = strtok (NULL, " ");
- if (p == NULL || sscanf (p, "%d", &id) != 1) {
- goto out;
- }
-
- p = strtok (NULL, " ");
-
- if (p == NULL) {
- goto out;
- }
-
- if (! get_first_address_for_node (p, &sa)) {
- goto out;
- }
-
- gdm_address_get_info (sa, &host, NULL);
- gdm_debug ("gdm_choose_data: got indirect id: %d address: %s",
- id,
- host);
- g_free (host);
-
- for (li = indirect; li != NULL; li = li->next) {
- GdmIndirectDisplay *idisp = li->data;
- if (idisp->id == id) {
- /* whack the oldest if more then allowed */
- while (ipending >= gdm_daemon_config_get_value_int (GDM_KEY_MAX_INDIRECT) &&
- remove_oldest_pending ())
- ;
-
- idisp->acctime = time (NULL);
-
- g_free (idisp->chosen_host);
- idisp->chosen_host = g_memdup (sa, sizeof (struct sockaddr_storage));
-
- /* Now this display is pending */
- ipending++;
-
- ret = TRUE;
- break;
- }
- }
- out:
- g_free (sa);
- g_free (msg);
-
- return ret;
-}
-
-
-GdmIndirectDisplay *
-gdm_choose_indirect_alloc (struct sockaddr_storage *clnt_sa)
-{
- GdmIndirectDisplay *id;
- char *host;
-
- if (clnt_sa == NULL)
- return NULL;
-
- id = g_new0 (GdmIndirectDisplay, 1);
- id->id = indirect_id++;
- /* deal with a rollover, that will NEVER EVER happen,
- * but I'm a paranoid bastard */
- if (id->id == 0)
- id->id = indirect_id++;
-
- id->dsp_sa = g_memdup (clnt_sa, sizeof (struct sockaddr_storage));
- id->chosen_host = NULL;
-
- id->acctime = 0;
-
- indirect = g_slist_prepend (indirect, id);
-
- gdm_address_get_info (id->dsp_sa, &host, NULL);
-
- gdm_debug ("gdm_choose_display_alloc: display=%s, pending=%d ",
- host,
- ipending);
- g_free (host);
-
- return (id);
-}
-
-/* dispose of indirect display of id, if no host is set */
-void
-gdm_choose_indirect_dispose_empty_id (guint id)
-{
- GSList *li;
-
- if (id == 0)
- return;
-
- for (li = indirect; li != NULL; li = li->next) {
- GdmIndirectDisplay *idisp = li->data;
-
- if (idisp == NULL)
- continue;
-
- if (idisp->id == id) {
- if (idisp->chosen_host == NULL)
- gdm_choose_indirect_dispose (idisp);
- return;
- }
- }
-}
-
-GdmIndirectDisplay *
-gdm_choose_indirect_lookup_by_chosen (struct sockaddr_storage *chosen,
- struct sockaddr_storage *origin)
-{
- GSList *li;
- char *host;
-
- for (li = indirect; li != NULL; li = li->next) {
- GdmIndirectDisplay *id = li->data;
-
- if (id != NULL &&
- id->chosen_host != NULL &&
- gdm_address_equal (id->chosen_host, chosen)) {
- if (gdm_address_equal (id->dsp_sa, origin)) {
- return id;
- } else if (gdm_address_is_loopback (id->dsp_sa) &&
- gdm_address_is_local (origin)) {
- return id;
- }
- }
- }
-
- gdm_address_get_info (chosen, &host, NULL);
-
- gdm_debug ("gdm_choose_indirect_lookup_by_chosen: Chosen %s host not found",
- host);
- gdm_debug ("gdm_choose_indirect_lookup_by_chosen: Origin was: %s",
- host);
- g_free (host);
-
- return NULL;
-}
-
-
-GdmIndirectDisplay *
-gdm_choose_indirect_lookup (struct sockaddr_storage *clnt_sa)
-{
- GSList *li, *ilist;
- GdmIndirectDisplay *id;
- time_t curtime = time (NULL);
- char *host;
-
- ilist = g_slist_copy (indirect);
-
- for (li = ilist; li != NULL; li = li->next) {
- id = (GdmIndirectDisplay *) li->data;
- if (id == NULL)
- continue;
-
- if (id->acctime > 0 &&
- curtime > id->acctime + gdm_daemon_config_get_value_int (GDM_KEY_MAX_WAIT_INDIRECT)) {
-
- gdm_address_get_info (clnt_sa, &host, NULL);
- gdm_debug ("gdm_choose_indirect_check: Disposing stale INDIRECT query from %s",
- host);
- g_free (host);
-
- gdm_choose_indirect_dispose (id);
- continue;
- }
-
- if (gdm_address_equal (id->dsp_sa, clnt_sa)) {
- g_slist_free (ilist);
- return id;
- }
- }
- g_slist_free (ilist);
-
- gdm_address_get_info (clnt_sa, &host, NULL);
- gdm_debug ("gdm_choose_indirect_lookup: Host %s not found",
- host);
- g_free (host);
-
- return NULL;
-}
-
-
-void
-gdm_choose_indirect_dispose (GdmIndirectDisplay *id)
-{
- char *host;
-
- if (id == NULL)
- return;
-
- indirect = g_slist_remove (indirect, id);
-
- if (id->acctime > 0)
- ipending--;
- id->acctime = 0;
-
- gdm_address_get_info (id->dsp_sa, &host, NULL);
- gdm_debug ("gdm_choose_indirect_dispose: Disposing %s",
- host);
- g_free (host);
-
- g_free (id->chosen_host);
- id->chosen_host = NULL;
-
- g_free (id->dsp_sa);
- id->dsp_sa = NULL;
-
- g_free (id);
-}
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