From 58021e6f28254a14fb6bd6c9265207882d4d001a Mon Sep 17 00:00:00 2001 From: Brian Cameron Date: Mon, 4 Jun 2007 08:50:13 +0000 Subject: Remove bad tag. svn path=/tags/GDM2_2_19_2; revision=4960 --- daemon/choose.c | 363 -------------------------------------------------------- 1 file changed, 363 deletions(-) delete mode 100644 daemon/choose.c (limited to 'daemon/choose.c') 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 - * - * 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 -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#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); -} -- cgit v1.2.1