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openSUSE:Backports:SLE-15
lightdm
lightdm-sysconfig-support.patch
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File lightdm-sysconfig-support.patch of Package lightdm
Index: lightdm-1.22.0/data/lightdm.conf =================================================================== --- lightdm-1.22.0.orig/data/lightdm.conf +++ lightdm-1.22.0/data/lightdm.conf @@ -1,3 +1,26 @@ +# NOTE: settings under /etc/sysconfig take precendence over those below, +# specifically: +# +# /etc/sysconfig/displaymanager - DISPLAYMANAGER_AUTOLOGIN +# if set: +# [Seat:*] +# autologin-user = <value> +# autologin-user-timeout = 0 +# +# /etc/sysconfig/displaymanager - DISPLAYMANAGER_PASSWORD_LESS_LOGIN +# [LightDM] +# password-less-login = <value> +# +# /etc/sysconfig/displaymanager - DISPLAYMANAGER_REMOTE_ACCESS +# [XDMCPServer] +# enabled = <value> +# +# /etc/sysconfig/displaymanager - DISPLAYMANAGER_XSERVER_TCP_PORT_6000_OPEN +# if set to yes or true +# [Seat:*] +# xserver-allow-tcp = <value> +# + # # General configuration # Index: lightdm-1.22.0/src/lightdm.c =================================================================== --- lightdm-1.22.0.orig/src/lightdm.c +++ lightdm-1.22.0/src/lightdm.c @@ -22,6 +22,7 @@ #include <errno.h> #include "configuration.h" +#include "opensuse-sysconfig.h" #include "display-manager.h" #include "display-manager-service.h" #include "xdmcp-server.h" @@ -50,6 +51,85 @@ static gint exit_code = EXIT_SUCCESS; static gboolean update_login1_seat (Login1Seat *login1_seat); +#define SYSCONFIG_DISPLAYMANAGER "/etc/sysconfig/displaymanager" + +static void +config_load_sysconfig (Configuration *config) +{ + GError *error = NULL; + char **displaymanager_config; + char **windowmanager_config; + char *str_value; + gboolean boolean_value; + + displaymanager_config = opensuse_sysconfig_load_file (SYSCONFIG_DISPLAYMANAGER, &error); + if (displaymanager_config) + { + str_value = opensuse_sysconfig_get_string (displaymanager_config, "DISPLAYMANAGER_AUTOLOGIN", &error); + if (!error) + { + if (*str_value != '\0') + { + config_set_string (config_get_instance (), "Seat:*", "autologin-user", str_value); + config_set_integer (config_get_instance (), "Seat:*", "autologin-user-timeout", 0); + } + g_free (str_value); + } + else + { + g_warning ("Failed to read 'DISPLAYMANAGER_AUTOLOGIN' from " SYSCONFIG_DISPLAYMANAGER); + g_clear_error (&error); + } + + boolean_value = opensuse_sysconfig_get_boolean (displaymanager_config, "DISPLAYMANAGER_PASSWORD_LESS_LOGIN", &error); + if (!error) + { + config_set_boolean (config_get_instance (), "LightDM", "password-less-login", boolean_value); + } + else + { + g_warning ("Failed to read 'DISPLAYMANAGER_PASSWORD_LESS_LOGIN' from " SYSCONFIG_DISPLAYMANAGER); + g_clear_error (&error); + } + + boolean_value = opensuse_sysconfig_get_boolean (displaymanager_config, "DISPLAYMANAGER_REMOTE_ACCESS", &error); + if (!error) + { + config_set_boolean (config_get_instance (), "XDMCPServer", "enabled", boolean_value); + } + else + { + g_warning ("Failed to read 'DISPLAYMANAGER_REMOTE_ACCESS' from " SYSCONFIG_DISPLAYMANAGER); + g_clear_error (&error); + } + + boolean_value = opensuse_sysconfig_get_boolean (displaymanager_config, "DISPLAYMANAGER_XSERVER_TCP_PORT_6000_OPEN", &error); + if (!error) + { + if (boolean_value) + config_set_boolean (config_get_instance (), "Seat:*", "xserver-allow-tcp", TRUE); + } + else + { + g_warning ("Failed to read 'DISPLAYMANAGER_XSERVER_TCP_PORT_6000_OPEN' from " SYSCONFIG_DISPLAYMANAGER); + g_clear_error (&error); + } + + g_strfreev (displaymanager_config); + } + else + { + g_warning ("Failed to read " SYSCONFIG_DISPLAYMANAGER); + if (error) + { + g_warning ("%s", error->message); + g_clear_error (&error); + } + } + + return; +} + static void log_cb (const gchar *log_domain, GLogLevelFlags log_level, const gchar *message, gpointer data) { @@ -933,6 +1013,9 @@ main (int argc, char **argv) g_warning ("Failed to make cache directory %s: %s", dir, strerror (errno)); g_free (dir); + /* Load sysconfig settings */ + config_load_sysconfig (config_get_instance ()); + log_init (); /* Show queued messages once logging is complete */ Index: lightdm-1.22.0/src/Makefile.am =================================================================== --- lightdm-1.22.0.orig/src/Makefile.am +++ lightdm-1.22.0/src/Makefile.am @@ -77,7 +77,9 @@ lightdm_SOURCES = \ xdmcp-server.h \ xdmcp-session.c \ xdmcp-session.h \ - xdmcp-session-private.h + xdmcp-session-private.h \ + opensuse-sysconfig.c \ + opensuse-sysconfig.h lightdm_CFLAGS = \ $(WARN_CFLAGS) \ Index: lightdm-1.22.0/src/opensuse-sysconfig.c =================================================================== --- /dev/null +++ lightdm-1.22.0/src/opensuse-sysconfig.c @@ -0,0 +1,380 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- + * + * Copyright (C) 2008 Hans Petter Jansson <hpj@novell.com> + * + * modifications (C) 2011 Guido Berhoerster <gber@opensuse.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. + * + * 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. + * + */ + +/* Parser for shell-script-like key-value files. Far from complete, but + * deals with a couple of common shell oddities. For instance, the following + * are parsed correctly: + * + * KEY=value\0 + * KEY = value#comment\0 + * KEY = " value with spaces" \0 + * KEY = ' it\'s a value with "embedded" quotes'\0 + * KEY = "if quotes aren't closed, we assume the string ends at EOL\0 + * + * It should be good enough for the config files in /etc/sysconfig/. + */ + +#include <unistd.h> +#include <string.h> +#include <errno.h> + +#include <glib.h> +#include <glib/gi18n.h> + +#include "opensuse-sysconfig.h" + +/* + * only print debug output if requested at compile time, log handlers may not + * yet be set up when this code is used + */ +#ifndef OPENSUSE_SYSCONFIG_DEBUG +#ifdef g_debug +#undef g_debug +#endif /* g_debug */ +#define g_debug(...) +#endif /* !OPENSUSE_SYSCONFIG_DEBUG */ + +#define SPACE_CHARS " \t" +#define KEY_ALLOW_CHARS "_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789" + +static gchar **load_settings_file (const gchar *file_name, GError **error); +static const gchar *skip_from_start_to_key (const gchar *line); +static const gchar *skip_over_value (const gchar *value_start, gchar *quotes_out); +static gchar *get_value_of_key (const gchar *line, const gchar *key_normal, gint key_len); +static gchar *get_value (const gchar **lines, const gchar *key, GError **error); + +GQuark +opensuse_sysconfig_error_quark (void) +{ + return g_quark_from_static_string ("opensuse-sysconfig-error-quark"); +} + +static gchar ** +load_settings_file (const gchar *file_name, GError **error) +{ + GIOChannel *channel; + GPtrArray *lines; + gchar *str; + + g_debug ("Loading settings from %s", file_name); + + channel = g_io_channel_new_file (file_name, "r", error); + if (*error) { + return NULL; + } + + lines = g_ptr_array_new (); + + while (g_io_channel_read_line (channel, &str, NULL, NULL, NULL) != G_IO_STATUS_EOF) { + if (str) { + gchar *p0; + + /* Remove line separators */ + + for (p0 = str + strlen (str) - 1; p0 >= str && strchr ("\r\n", *p0); p0--) + *p0 = '\0'; + + g_ptr_array_add (lines, str); + g_debug ("%s", str); + } else { + g_ptr_array_add (lines, g_strdup ("")); + g_debug ("%s", str); + } + } + + g_io_channel_shutdown (channel, FALSE, NULL); + g_io_channel_unref (channel); + + g_ptr_array_add (lines, NULL); + + return (gchar **) g_ptr_array_free (lines, FALSE); +} + +static const gchar * +skip_from_start_to_key (const gchar *line) +{ + const gchar *p0; + + /* Skip initial space */ + + p0 = line + strspn (line, SPACE_CHARS); + + /* Ignore comments and other junk */ + + if (*p0 && strchr (KEY_ALLOW_CHARS, *p0)) + return p0; + + return NULL; +} + +static const gchar * +skip_from_start_to_value_of_key (const gchar *line, const gchar *key_normal, gint key_len) +{ + const gchar *p0, *p1; + gchar *potential_key_normal; + gboolean result; + + p0 = skip_from_start_to_key (line); + if (!p0) + return NULL; + + /* There's at least one key-like character, figure out how many */ + + p1 = p0 + strspn (p0, KEY_ALLOW_CHARS); + + /* Is this the key we're looking for? */ + + if (p1 - p0 != key_len) + return NULL; + + potential_key_normal = g_ascii_strdown (p0, p1 - p0); + result = strcmp (key_normal, potential_key_normal) == 0 ? TRUE : FALSE; + g_free (potential_key_normal); + + if (!result) + return NULL; + + /* It's the right key; skip over key-value separator */ + + p0 = p1 + strspn (p1, SPACE_CHARS); + if (*p0 != '=') + return NULL; + + p0++; + p0 += strspn (p0, SPACE_CHARS); + + return p0; +} + +static const gchar * +skip_over_value (const gchar *value_start, gchar *quotes_out) +{ + const gchar *p0 = value_start; + const gchar *p1; + gchar quotes; + + /* Is the value quoted? */ + + quotes = *p0; + if (quotes == '\'' || quotes == '"') { + /* Quoted sequence opened; find closing quote, but skip over escaped ones. If + * there's no closing quote on this line, assume the EOL closes it. */ + + *quotes_out = quotes; + + p1 = p0; + do { + p1++; + p1 = strchr (p1, quotes); + if (!p1) { + /* Hit EOL */ + + p1 = p0 + strlen (p0) - 1; + break; + } + } while (*(p1 - 1) == '\\'); + } else { + /* No quotes; look for comment or EOL */ + + *quotes_out = 0; + + p1 = strchr (p0, '#'); + if (!p1) + p1 = p0 + strlen (p0); + + for (p1--; p1 >= p0; p1--) + if (!strchr (SPACE_CHARS, *p1)) + break; + } + + return p1 + 1; +} + +static gchar * +get_value_of_key (const gchar *line, const gchar *key_normal, gint key_len) +{ + const gchar *p0, *p1; + gchar quotes; + gchar *value; + gchar *temp; + + p0 = skip_from_start_to_value_of_key (line, key_normal, key_len); + if (!p0) + return NULL; + + p1 = skip_over_value (p0, "es); + + if (quotes != 0) { + if (p1 - p0 > 2) { + temp = g_strndup (p0 + 1, p1 - p0 - 2); + value = g_strcompress (temp); + g_free (temp); + } else { + value = g_strdup (""); + } + } else { + temp = g_strndup (p0, p1 - p0); + value = g_strcompress (temp); + g_free (temp); + g_strchomp (value); + } + + return value; +} + +static gchar * +get_value (const gchar **lines, const gchar *key, GError **error) +{ + gchar *value = NULL; + gchar *key_normal; + gint key_len; + gint i; + + g_debug ("Getting value of %s", key); + + if (!lines) { + g_debug ("Missing configuration data"); + return NULL; + } + + key_normal = g_ascii_strdown (key, -1); + key_len = strlen (key_normal); + + for (i = 0; lines [i]; i++) { + value = get_value_of_key (lines [i], key_normal, key_len); + if (value) + break; + } + + if (!value) { + g_set_error (error, + OPENSUSE_SYSCONFIG_ERROR, + OPENSUSE_SYSCONFIG_ERROR_KEY_NOT_FOUND, + "Key '%s' not found", key); + } + + g_free (key_normal); + + g_debug ("Got value of %s: %s", key, value); + + return value; +} + +gchar ** +opensuse_sysconfig_load_file (const gchar *file_name, GError **error) +{ + GError *load_error = NULL; + gchar **sysconfig; + g_return_val_if_fail (file_name != NULL, NULL); + + sysconfig = load_settings_file (file_name, &load_error); + if (load_error) { + g_set_error (error, + OPENSUSE_SYSCONFIG_ERROR, + OPENSUSE_SYSCONFIG_ERROR_OPEN_FAILED, + "Failed to open '%s': %s", file_name, load_error->message); + g_error_free(load_error); + return NULL; + } + return sysconfig; +} + +gchar * +opensuse_sysconfig_get_string (const gchar **sysconfig, + const gchar *key, + GError **error) +{ + g_return_val_if_fail (sysconfig != NULL, NULL); + g_return_val_if_fail (key != NULL, NULL); + + return get_value (sysconfig, key, error); +} + +gint +opensuse_sysconfig_get_int (const gchar **sysconfig, + const gchar *key, + GError **error) +{ + gint64 int64_value; + gchar *str_value; + gchar *endptr; + + g_return_val_if_fail (sysconfig != NULL, -1); + g_return_val_if_fail (key != NULL, -1); + + str_value = get_value (sysconfig, key, error); + if (!str_value) + return 0; + + errno = 0; + int64_value = g_ascii_strtoll (str_value, &endptr, 10); + if ((*str_value != '\0' && *endptr != '\0') || + (errno == ERANGE && + (int64_value == G_MAXINT64 || int64_value == G_MININT64)) || + int64_value > G_MAXINT || + int64_value < G_MININT || + errno != 0) { + g_set_error (error, + OPENSUSE_SYSCONFIG_ERROR, + OPENSUSE_SYSCONFIG_ERROR_INVALID_VALUE, + "Invalid integer value '%s'", + str_value); + int64_value = 0; + } + + g_free (str_value); + return (gint) int64_value; +} + +gboolean +opensuse_sysconfig_get_boolean (const gchar **sysconfig, + const gchar *key, + GError **error) +{ + gboolean boolean_value; + gchar *str_value; + + g_return_val_if_fail (sysconfig != NULL, FALSE); + g_return_val_if_fail (key != NULL, FALSE); + + str_value = get_value (sysconfig, key, error); + if (!str_value) + return FALSE; + + if (g_ascii_strcasecmp (str_value, "yes") == 0 || + g_ascii_strcasecmp (str_value, "true") == 0) { + boolean_value = TRUE; + } else if (g_ascii_strcasecmp (str_value, "no") == 0 || + g_ascii_strcasecmp (str_value, "false") == 0) { + boolean_value = FALSE; + } else { + g_set_error (error, + OPENSUSE_SYSCONFIG_ERROR, + OPENSUSE_SYSCONFIG_ERROR_INVALID_VALUE, + "Invalid boolean value '%s'", str_value); + boolean_value = FALSE; + } + + g_free (str_value); + return boolean_value; +} + Index: lightdm-1.22.0/src/opensuse-sysconfig.h =================================================================== --- /dev/null +++ lightdm-1.22.0/src/opensuse-sysconfig.h @@ -0,0 +1,50 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- + * + * Copyright (C) 2008 Hans Petter Jansson <hpj@novell.com> + * + * modifications (C) 2011 Guido Berhoerster <gber@opensuse.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. + * + * 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. + * + */ + + +#ifndef __OPENSUSE_SYSCONFIG_H +#define __OPENSUSE_SYSCONFIG_H + +#include <glib-object.h> +#include <glib/gstdio.h> + +G_BEGIN_DECLS + +typedef enum { + OPENSUSE_SYSCONFIG_ERROR_OPEN_FAILED, + OPENSUSE_SYSCONFIG_ERROR_KEY_NOT_FOUND, + OPENSUSE_SYSCONFIG_ERROR_INVALID_VALUE +} OpenSUSESysconfigError; + +#define OPENSUSE_SYSCONFIG_ERROR (opensuse_sysconfig_error_quark ()) + +GQuark opensuse_sysconfig_error_quark (void); + +gchar **opensuse_sysconfig_load_file (const gchar *file_name, GError **error); + +gchar *opensuse_sysconfig_get_string (const gchar **sysconfig, const gchar *key, GError **error); +gint opensuse_sysconfig_get_int (const gchar **sysconfig, const gchar *key, GError **error); +gboolean opensuse_sysconfig_get_boolean (const gchar **sysconfig, const gchar *key, GError **error); + +G_END_DECLS + +#endif /* __OPENSUSE_SYSCONFIG_H */ Index: lightdm-1.22.0/src/seat.c =================================================================== --- lightdm-1.22.0.orig/src/seat.c +++ lightdm-1.22.0/src/seat.c @@ -1338,9 +1338,14 @@ create_greeter_session (Seat *seat) session_set_argv (SESSION (greeter_session), argv); g_strfreev (argv); - greeter_set_pam_services (greeter, - seat_get_string_property (seat, "pam-service"), - seat_get_string_property (seat, "pam-autologin-service")); + if (config_get_boolean (config_get_instance (), "LightDM", "password-less-login")) + greeter_set_pam_services (greeter, + seat_get_string_property (seat, "pam-autologin-service"), + seat_get_string_property (seat, "pam-autologin-service")); + else + greeter_set_pam_services (greeter, + seat_get_string_property (seat, "pam-service"), + seat_get_string_property (seat, "pam-autologin-service")); g_signal_connect (greeter, GREETER_SIGNAL_CREATE_SESSION, G_CALLBACK (greeter_create_session_cb), seat); g_signal_connect (greeter, GREETER_SIGNAL_START_SESSION, G_CALLBACK (greeter_start_session_cb), seat); @@ -1589,7 +1594,10 @@ seat_switch_to_user (Seat *seat, const g /* Attempt to authenticate them */ session = create_user_session (seat, username, FALSE); g_signal_connect (session, SESSION_SIGNAL_AUTHENTICATION_COMPLETE, G_CALLBACK (switch_authentication_complete_cb), seat); - session_set_pam_service (session, seat_get_string_property (seat, "pam-service")); + if (config_get_boolean (config_get_instance (), "LightDM", "password-less-login")) + session_set_pam_service (session, seat_get_string_property (seat, "pam-autologin-service")); + else + session_set_pam_service (session, seat_get_string_property (seat, "pam-service")); return session_start (session); }
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