src/startup-chkconfig.c

   1 /* $Id$
   2  * UDP Gateway utility startup scripts support using chkconfig(8)
   3  * Copyright (C) 2004 Jan Kratochvil <project-udpgate@jankratochvil.net>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; exactly version 2 of June 1991 is required
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19
  20 #include "config.h"
  21
  22 #include <glib/gmessages.h>
  23 #include <stdlib.h>
  24 #include <sys/types.h>
  25 #include <sys/wait.h>
  26 #include <unistd.h>
  27 #include <glib/gmem.h>
  28 #include <unistd.h>
  29 #include <string.h>
  30 #include <sys/stat.h>
  31
  32 #include "startup-chkconfig.h"  /* self */
  33
  34 #ifdef ENABLE_BUNDLE
  35 #include "bundle-util.h"
  36 #endif
  37
  38
  39 /* Config: */
  40 /* Do not: /etc/rc.d/init.d/...
  41  * to comply with http://www.linuxbase.org/spec/booksets/LSB-Core/LSB-Core.html#INITSRCINSTRM
  42  */
  43 #define INIT_D_PATHNAME G_STRINGIFY(SYSCONFDIR) "/init.d/" PACKAGE
  44
  45
  46 #define STATUS_0_1(status) ( \
  47                 !(WIFEXITED((status)) && (WEXITSTATUS((status))==0 || WEXITSTATUS((status))==1) \
  48                                                 && !WIFSIGNALED((status)) \
  49                                                 && !WIFSTOPPED((status))) \
  50                                 ? -1 : WEXITSTATUS((status)))
  51
  52
  53 static gboolean udpgate_startup_chkconfig_init(UdpgateStartup *udpgate_startup)
  54 {
  55 int status;
  56 const gchar *command="chkconfig " PACKAGE " 2>/dev/null";
  57
  58         g_return_val_if_fail(UDPGATE_IS_STARTUP_CHKCONFIG(udpgate_startup),FALSE);
  59
  60         status=system(command);
  61         if (STATUS_0_1(status)<0)
  62                 return FALSE;
  63         return TRUE;
  64 }
  65
  66 static gboolean udpgate_startup_chkconfig_query(UdpgateStartup *udpgate_startup,gboolean *is_on)
  67 {
  68 int status,status_0_1;
  69 const gchar *command="chkconfig " PACKAGE;
  70
  71         g_return_val_if_fail(UDPGATE_IS_STARTUP_CHKCONFIG(udpgate_startup),FALSE);
  72
  73         status=system(command);
  74         status_0_1=STATUS_0_1(status);
  75         if (status_0_1<0) {
  76                 g_warning(_("Error checking registrance of this program automatic startup by: %s"),command);
  77                 return FALSE;
  78                 }
  79         if (is_on)
  80                 *is_on=(status_0_1==0);
  81         return TRUE;
  82 }
  83
  84 static gboolean udpgate_startup_chkconfig_on(UdpgateStartup *udpgate_startup)
  85 {
  86 const gchar *command="chkconfig --add " PACKAGE;
  87 int status;
  88
  89         g_return_val_if_fail(UDPGATE_IS_STARTUP_CHKCONFIG(udpgate_startup),FALSE);
  90
  91 #ifdef ENABLE_BUNDLE
  92         if (!bundle_util_file_write(
  93                         INIT_D_PATHNAME,        /* pathname */
  94                         PACKAGE ".init",        /* basename */
  95                         0755,   /* pathname_mode */
  96                         TRUE))  /* pathname_backup */
  97                 return FALSE;
  98 #endif /* ENABLE_BUNDLE */
  99
 100         status=system(command);
 101
 102         if (0!=STATUS_0_1(status)) {
 103                 g_warning(_("Error registering automatic program startup by: %s"),command);
 104                 return FALSE;
 105                 }
 106         return TRUE;
 107 }
 108
 109 static gboolean udpgate_startup_chkconfig_off(UdpgateStartup *udpgate_startup)
 110 {
 111 const gchar *command="chkconfig --del " PACKAGE;
 112 int status;
 113
 114         g_return_val_if_fail(UDPGATE_IS_STARTUP_CHKCONFIG(udpgate_startup),FALSE);
 115
 116         status=system(command);
 117         if (0!=STATUS_0_1(status)) {
 118                 g_warning(_("Error removing program's system startup registrance by: %s"),command);
 119                 return FALSE;
 120                 }
 121
 122 #ifdef ENABLE_BUNDLE
 123         if (!bundle_util_file_remove(INIT_D_PATHNAME,PACKAGE ".init"))
 124                 return FALSE;
 125 #endif /* ENABLE_BUNDLE */
 126
 127         return TRUE;
 128 }
 129
 130 static void udpgate_startup_chkconfig_class_init (UdpgateStartupChkconfigClass *class)
 131 {
 132         UdpgateStartupClass *udpgate_startup_class = UDPGATE_STARTUP_CLASS(class);
 133
 134         udpgate_startup_class->init = udpgate_startup_chkconfig_init;
 135         udpgate_startup_class->query = udpgate_startup_chkconfig_query;
 136         udpgate_startup_class->on = udpgate_startup_chkconfig_on;
 137         udpgate_startup_class->off = udpgate_startup_chkconfig_off;
 138 }
 139
 140 GType udpgate_startup_chkconfig_get_type(void)
 141 {
 142   static GType udpgate_startup_chkconfig_type=0;
 143
 144   if (!udpgate_startup_chkconfig_type) {
 145                 static const GTypeInfo udpgate_startup_chkconfig_info={
 146                         sizeof(UdpgateStartupChkconfigClass),
 147                         NULL,           /* base_init */
 148                         NULL,           /* base_finalize */
 149                         (GClassInitFunc)udpgate_startup_chkconfig_class_init,
 150                         NULL,           /* class_finalize */
 151                         NULL,           /* class_data */
 152                         sizeof(UdpgateStartupChkconfig),
 153                         0,              /* n_preallocs */
 154                         NULL,           /* instance_init */
 155                         NULL,           /* value_table */
 156       };
 157
 158                 udpgate_startup_chkconfig_type=g_type_register_static(UDPGATE_TYPE_STARTUP,"UdpgateStartupChkconfig",
 159                                  &udpgate_startup_chkconfig_info,0);
 160     }
 161
 162   return udpgate_startup_chkconfig_type;
 163 }