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Diffstat (limited to 'server-tools/instance-manager/mysqlmanager.cc')
| -rw-r--r-- | server-tools/instance-manager/mysqlmanager.cc | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/server-tools/instance-manager/mysqlmanager.cc b/server-tools/instance-manager/mysqlmanager.cc deleted file mode 100644 index 276d1ca3b49..00000000000 --- a/server-tools/instance-manager/mysqlmanager.cc +++ /dev/null @@ -1,232 +0,0 @@ -/* Copyright (C) 2003-2006 MySQL AB - - 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; version 2 of the License. - - 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 <my_global.h> -#include <my_dir.h> -#include <my_sys.h> - -#include <string.h> - -#ifndef __WIN__ -#include <pwd.h> -#include <grp.h> -#endif - -#include "angel.h" -#include "log.h" -#include "manager.h" -#include "options.h" -#include "user_management_commands.h" - -#ifdef __WIN__ -#include "IMService.h" -#endif - - -/* - Instance Manager consists of two processes: the angel process (IM-angel), - and the manager process (IM-main). Responsibilities of IM-angel is to - monitor IM-main, and restart it in case of failure/shutdown. IM-angel is - started only if startup option '--run-as-service' is provided. - - IM-main consists of several subsystems (thread sets): - - - the signal handling thread - - The signal thread handles user signals and propagates them to the - other threads. All other threads are accounted in the signal handler - thread Thread Registry. - - - the listener - - The listener listens to all sockets. There is a listening socket for - each subsystem (TCP/IP, UNIX socket). - - - mysql subsystem - - Instance Manager acts like an ordinary MySQL Server, but with very - restricted command set. Each MySQL client connection is handled in a - separate thread. All MySQL client connections threads constitute - mysql subsystem. -*/ - -static int main_impl(int argc, char *argv[]); - -#ifndef __WIN__ -static struct passwd *check_user(); -static bool switch_user(); -#endif - - -/************************************************************************/ -/** - The entry point. -*************************************************************************/ - -int main(int argc, char *argv[]) -{ - int return_value; - - puts("\n" - "WARNING: This program is deprecated and will be removed in 6.0.\n"); - - /* Initialize. */ - - MY_INIT(argv[0]); - log_init(); - umask(0117); - srand((uint) time(0)); - - /* Main function. */ - - log_info("IM: started."); - - return_value= main_impl(argc, argv); - - log_info("IM: finished."); - - /* Cleanup. */ - - Options::cleanup(); - my_end(0); - - return return_value; -} - - -/************************************************************************/ -/** - Instance Manager main functionality. -*************************************************************************/ - -int main_impl(int argc, char *argv[]) -{ - int rc; - - if ((rc= Options::load(argc, argv))) - return rc; - - if (Options::User_management::cmd) - return Options::User_management::cmd->execute(); - -#ifndef __WIN__ - - if (switch_user()) - return 1; - - return Options::Daemon::run_as_service ? - Angel::main() : - Manager::main(); - -#else - - return Options::Service::stand_alone ? - Manager::main() : - IMService::main(); - -#endif -} - -/************************************************************************** - OS-specific functions implementation. -**************************************************************************/ - -#if !defined(__WIN__) && !defined(OS2) && !defined(__NETWARE__) - -/************************************************************************/ -/** - Change to run as another user if started with --user. -*************************************************************************/ - -static struct passwd *check_user() -{ - const char *user= Options::Daemon::user; - struct passwd *user_info; - uid_t user_id= geteuid(); - - /* Don't bother if we aren't superuser */ - if (user_id) - { - if (user) - { - /* Don't give a warning, if real user is same as given with --user */ - user_info= getpwnam(user); - if ((!user_info || user_id != user_info->pw_uid)) - log_info("One can only use the --user switch if running as root\n"); - } - return NULL; - } - if (!user) - { - log_info("You are running mysqlmanager as root! This might introduce security problems. It is safer to use --user option istead.\n"); - return NULL; - } - if (!strcmp(user, "root")) - return NULL; /* Avoid problem with dynamic libraries */ - if (!(user_info= getpwnam(user))) - { - /* Allow a numeric uid to be used */ - const char *pos; - for (pos= user; my_isdigit(default_charset_info, *pos); pos++) - {} - if (*pos) /* Not numeric id */ - goto err; - if (!(user_info= getpwuid(atoi(user)))) - goto err; - else - return user_info; - } - else - return user_info; - -err: - log_error("Can not start under user '%s'.", - (const char *) user); - return NULL; -} - - -/************************************************************************/ -/** - Switch user. -*************************************************************************/ - -static bool switch_user() -{ - struct passwd *user_info= check_user(); - - if (!user_info) - return FALSE; - -#ifdef HAVE_INITGROUPS - initgroups(Options::Daemon::user, user_info->pw_gid); -#endif - - if (setgid(user_info->pw_gid) == -1) - { - log_error("setgid() failed"); - return TRUE; - } - - if (setuid(user_info->pw_uid) == -1) - { - log_error("setuid() failed"); - return TRUE; - } - - return FALSE; -} - -#endif |