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-rw-r--r--gui/gdmuser.c383
1 files changed, 0 insertions, 383 deletions
diff --git a/gui/gdmuser.c b/gui/gdmuser.c
deleted file mode 100644
index b46f7b4f..00000000
--- a/gui/gdmuser.c
+++ /dev/null
@@ -1,383 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
- *
- * GDM - The GNOME Display Manager
- * Copyright (C) 1999, 2000 Martin K. Petersen <mkp@mkp.net>
- *
- * This file Copyright (c) 2003 George Lebl
- * - Common routines for the greeters.
- *
- * 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
- */
-
-#include "config.h"
-#include <locale.h>
-#include <glib/gi18n.h>
-#include <string.h>
-#include <unistd.h>
-
-#include <pwd.h>
-
-#include "gdm.h"
-#include "gdmcommon.h"
-#include "gdmuser.h"
-#include "gdmconfig.h"
-
-#include "gdm-common.h"
-#include "gdm-socket-protocol.h"
-#include "gdm-daemon-config-keys.h"
-
-static time_t time_started;
-
-static GdmUser *
-gdm_user_alloc (const gchar *logname,
- uid_t uid,
- const gchar *homedir,
- const char *gecos,
- GdkPixbuf *defface,
- gboolean read_faces)
-{
- GdmUser *user;
- GdkPixbuf *img = NULL;
- gchar buf[PIPE_SIZE];
- size_t size;
- int bufsize;
- char *p;
-
- user = g_new0 (GdmUser, 1);
-
- user->uid = uid;
- user->login = g_strdup (logname);
- if (!g_utf8_validate (gecos, -1, NULL))
- user->gecos = ve_locale_to_utf8 (gecos);
- else
- user->gecos = g_strdup (gecos);
-
- /* Cut up to first comma since those are ugly arguments and
- * not the name anymore, but only if more then 1 comma is found,
- * since otherwise it might be part of the actual comment,
- * this is sort of "heurestic" because there seems to be no
- * real standard, it's all optional */
- p = strchr (user->gecos, ',');
- if (p != NULL) {
- if (strchr (p+1, ',') != NULL)
- *p = '\0';
- }
-
- user->homedir = g_strdup (homedir);
- if (defface != NULL)
- user->picture = (GdkPixbuf *)g_object_ref (G_OBJECT (defface));
-
- if (ve_string_empty (logname))
- return user;
-
- /* don't read faces, since that requires the daemon */
- if (!read_faces)
- return user;
-
- /* read initial request */
- do {
- while (read (STDIN_FILENO, buf, 1) == 1)
- if (buf[0] == STX)
- break;
- size = read (STDIN_FILENO, buf, sizeof (buf));
- if (size <= 0)
- return user;
- } while (buf[0] != GDM_NEEDPIC);
-
- printf ("%c%s\n", STX, logname);
- fflush (stdout);
-
- do {
- while (read (STDIN_FILENO, buf, 1) == 1)
- if (buf[0] == STX)
- break;
- size = read (STDIN_FILENO, buf, sizeof (buf));
- if (size <= 0)
- return user;
- } while (buf[0] != GDM_READPIC);
-
- /* both nul terminate and wipe the trailing \n */
- buf[size-1] = '\0';
-
- if (size < 2) {
- img = NULL;
- } else if (sscanf (&buf[1], "buffer:%d", &bufsize) == 1) {
- unsigned char buffer[2048];
- int pos = 0;
- int n;
- GdkPixbufLoader *loader;
- /* we trust the daemon, even if it wanted to give us
- * bogus bufsize */
- /* the daemon will now print the buffer */
- printf ("%cOK\n", STX);
- fflush (stdout);
-
- while (read (STDIN_FILENO, buf, 1) == 1)
- if (buf[0] == STX)
- break;
-
- loader = gdk_pixbuf_loader_new ();
-
- while ((n = read (STDIN_FILENO, buffer,
- MIN (sizeof (buffer), bufsize-pos))) > 0) {
- gdk_pixbuf_loader_write (loader, buffer, n, NULL);
- pos += n;
- if (pos >= bufsize)
- break;
- }
-
- gdk_pixbuf_loader_close (loader, NULL);
-
- img = gdk_pixbuf_loader_get_pixbuf (loader);
- if (img != NULL)
- g_object_ref (G_OBJECT (img));
-
- g_object_unref (G_OBJECT (loader));
-
- /* read the "done" bit, but don't check */
- read (STDIN_FILENO, buf, sizeof (buf));
- } else if (g_access (&buf[1], R_OK) == 0) {
- img = gdm_common_get_face (&buf[1],
- NULL,
- gdm_config_get_int (GDM_KEY_MAX_ICON_WIDTH),
- gdm_config_get_int (GDM_KEY_MAX_ICON_HEIGHT));
- } else {
- img = NULL;
- }
-
- /* the daemon is now free to go on */
- printf ("%c\n", STX);
- fflush (stdout);
-
- if (img != NULL) {
- if (user->picture != NULL)
- g_object_unref (G_OBJECT (user->picture));
-
- user->picture = img;
- }
-
- return user;
-}
-
-static gboolean
-gdm_check_exclude (struct passwd *pwent, char **excludes, gboolean is_local)
-{
- const char * const lockout_passes[] = { "!!", NULL };
- gint i;
-
- if ( ! gdm_config_get_bool (GDM_KEY_ALLOW_ROOT) && pwent->pw_uid == 0)
- return TRUE;
-
- if ( ! gdm_config_get_bool (GDM_KEY_ALLOW_REMOTE_ROOT) && ! is_local && pwent->pw_uid == 0)
- return TRUE;
-
- if (pwent->pw_uid < gdm_config_get_int (GDM_KEY_MINIMAL_UID))
- return TRUE;
-
- for (i=0 ; lockout_passes[i] != NULL ; i++) {
- if (strcmp (lockout_passes[i], pwent->pw_passwd) == 0) {
- return TRUE;
- }
- }
-
- if (excludes != NULL) {
- for (i=0 ; excludes[i] != NULL ; i++) {
- if (g_ascii_strcasecmp (excludes[i],
- pwent->pw_name) == 0) {
- return TRUE;
- }
- }
- }
-
- return FALSE;
-}
-
-static gboolean
-gdm_check_shell (const gchar *usersh)
-{
- gint found = 0;
- gchar *csh;
-
- setusershell ();
-
- while ((csh = getusershell ()) != NULL)
- if (! strcmp (csh, usersh))
- found = 1;
-
- endusershell ();
-
- return (found);
-}
-
-static gint
-gdm_sort_func (gpointer d1, gpointer d2)
-{
- GdmUser *a = d1;
- GdmUser *b = d2;
-
- if (!d1 || !d2)
- return (0);
-
- return (strcmp (a->login, b->login));
-}
-
-
-static gboolean
-setup_user (struct passwd *pwent,
- GList **users,
- GList **users_string,
- char **excludes,
- char *exclude_user,
- GdkPixbuf *defface,
- int *size_of_users,
- gboolean is_local,
- gboolean read_faces)
-{
- GdmUser *user;
- int cnt = 0;
-
- if (pwent->pw_shell &&
- gdm_check_shell (pwent->pw_shell) &&
- !gdm_check_exclude (pwent, excludes, is_local) &&
- (exclude_user == NULL ||
- strcmp (ve_sure_string (exclude_user), pwent->pw_name)) != 0) {
-
- user = gdm_user_alloc (pwent->pw_name,
- pwent->pw_uid,
- pwent->pw_dir,
- ve_sure_string (pwent->pw_gecos),
- defface, read_faces);
-
- if ((user) &&
- (! g_list_find_custom (*users, user, (GCompareFunc) gdm_sort_func))) {
- cnt++;
- *users = g_list_insert_sorted (*users, user,
- (GCompareFunc) gdm_sort_func);
- *users_string = g_list_prepend (*users_string, g_strdup (pwent->pw_name));
-
- if (user->picture != NULL) {
- *size_of_users +=
- gdk_pixbuf_get_height (user->picture) + 2;
- } else {
- *size_of_users += gdm_config_get_int (GDM_KEY_MAX_ICON_HEIGHT);
- }
- }
-
- if (cnt > 1000 || time_started + 5 <= time (NULL)) {
- *users = g_list_append (*users,
- g_strdup (_("Too many users to list here...")));
- *users_string = g_list_append (*users_string,
- g_strdup (_("Too many users to list here...")));
-
- return (FALSE);
- }
- }
- return (TRUE);
-}
-
-gboolean
-gdm_is_user_valid (const char *username)
-{
- return (NULL != getpwnam (username));
-}
-
-gint
-gdm_user_uid (const char *username)
-{
- struct passwd *pwent;
- pwent = getpwnam (username);
- if (pwent != NULL)
- return pwent->pw_uid;
-
- return -1;
-}
-
-const char *
-get_root_user (void)
-{
- static char *root_user = NULL;
- struct passwd *pwent;
-
- if (root_user != NULL)
- return root_user;
-
- pwent = getpwuid (0);
- if (pwent == NULL) /* huh? */
- root_user = g_strdup ("root");
- else
- root_user = g_strdup (pwent->pw_name);
- return root_user;
-}
-
-void
-gdm_users_init (GList **users,
- GList **users_string,
- char *exclude_user,
- GdkPixbuf *defface,
- int *size_of_users,
- gboolean is_local,
- gboolean read_faces)
-{
- struct passwd *pwent;
- char **includes;
- char **excludes;
- gboolean found_include = FALSE;
- int i;
-
- time_started = time (NULL);
-
- includes = g_strsplit (gdm_config_get_string (GDM_KEY_INCLUDE), ",", 0);
- for (i=0 ; includes != NULL && includes[i] != NULL ; i++) {
- g_strstrip (includes[i]);
- if (includes[i] != NULL)
- found_include = TRUE;
- }
-
- excludes = g_strsplit (gdm_config_get_string (GDM_KEY_EXCLUDE), ",", 0);
- for (i=0 ; excludes != NULL && excludes[i] != NULL ; i++)
- g_strstrip (excludes[i]);
-
- if (gdm_config_get_bool (GDM_KEY_INCLUDE_ALL) == TRUE) {
- setpwent ();
- pwent = getpwent ();
- while (pwent != NULL) {
-
- if (! setup_user (pwent, users, users_string, excludes,
- exclude_user, defface, size_of_users, is_local,
- read_faces))
- break;
-
- pwent = getpwent ();
- }
- endpwent ();
-
- } else if (found_include == TRUE) {
- for (i=0 ; includes != NULL && includes[i] != NULL ; i++) {
- pwent = getpwnam (includes[i]);
-
- if (pwent != NULL) {
- if (!setup_user (pwent, users, users_string, excludes,
- exclude_user, defface, size_of_users, is_local,
- read_faces))
- break;
-
- }
- }
- }
-
- g_strfreev (includes);
- g_strfreev (excludes);
-}
-
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