/* Unix SMB/CIFS implementation. Winbind ID Mapping Copyright (C) Tim Potter 2000 Copyright (C) Anthony Liguori <aliguor@us.ibm.com> 2003 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "winbindd.h" static struct { const char *name; /* Function to create a member of the idmap_methods list */ BOOL (*reg_meth)(struct idmap_methods **methods); struct idmap_methods *methods; } builtin_idmap_functions[] = { { "tdb", winbind_idmap_reg_tdb, NULL }, /* { "ldap", winbind_idmap_reg_ldap, NULL },*/ { NULL, NULL, NULL } }; /* singleton pattern: uberlazy evaluation */ static struct idmap_methods *impl; static struct idmap_methods *get_impl(const char *name) { int i = 0; struct idmap_methods *ret = NULL; while (builtin_idmap_functions[i].name && strcmp(builtin_idmap_functions[i].name, name)) { i++; } if (builtin_idmap_functions[i].name) { if (!builtin_idmap_functions[i].methods) { builtin_idmap_functions[i].reg_meth(&builtin_idmap_functions[i].methods); } ret = builtin_idmap_functions[i].methods; } return ret; } /* Initialize backend */ BOOL winbindd_idmap_init(void) { BOOL ret = False; DEBUG(3, ("winbindd_idmap_init: using '%s' as backend\n", lp_idmap_backend())); if (!impl) { impl = get_impl(lp_idmap_backend()); if (!impl) { DEBUG(0, ("winbindd_idmap_init: could not load backend '%s'\n", lp_idmap_backend())); } } if (impl) { ret = impl->init(); } DEBUG(3, ("winbind_idmap_init: returning %s\n", ret ? "true" : "false")); return ret; } /* Get UID from SID */ BOOL winbindd_idmap_get_uid_from_sid(DOM_SID *sid, uid_t *uid) { BOOL ret = False; if (!impl) { impl = get_impl(lp_idmap_backend()); if (!impl) { DEBUG(0, ("winbindd_idmap_init: could not load backend '%s'\n", lp_idmap_backend())); } } if (impl) { ret = impl->get_uid_from_sid(sid, uid); } return ret; } /* Get GID from SID */ BOOL winbindd_idmap_get_gid_from_sid(DOM_SID *sid, gid_t *gid) { BOOL ret = False; if (!impl) { impl = get_impl(lp_idmap_backend()); if (!impl) { DEBUG(0, ("winbindd_idmap_init: could not load backend '%s'\n", lp_idmap_backend())); } } if (impl) { ret = impl->get_gid_from_sid(sid, gid); } return ret; } /* Get SID from UID */ BOOL winbindd_idmap_get_sid_from_uid(uid_t uid, DOM_SID *sid) { BOOL ret = False; if (!impl) { impl = get_impl(lp_idmap_backend()); if (!impl) { DEBUG(0, ("winbindd_idmap_init: could not load backend '%s'\n", lp_idmap_backend())); } } if (impl) { ret = impl->get_sid_from_uid(uid, sid); } return ret; } /* Get SID from GID */ BOOL winbindd_idmap_get_sid_from_gid(gid_t gid, DOM_SID *sid) { BOOL ret = False; if (!impl) { impl = get_impl(lp_idmap_backend()); } if (impl) { ret = impl->get_sid_from_gid(gid, sid); } else { DEBUG(0, ("winbindd_idmap_init: could not load backend '%s'\n", lp_idmap_backend())); } return ret; } /* Close backend */ BOOL winbindd_idmap_close(void) { BOOL ret = False; if (!impl) { impl = get_impl(lp_idmap_backend()); } if (impl) { ret = impl->close(); } else { DEBUG(0, ("winbindd_idmap_init: could not load backend '%s'\n", lp_idmap_backend())); } return ret; } /* Dump backend status */ void winbindd_idmap_status(void) { if (!impl) { impl = get_impl(lp_idmap_backend()); } if (impl) { impl->status(); } else { DEBUG(0, ("winbindd_idmap_init: could not load backend '%s'\n", lp_idmap_backend())); } }