diff options
Diffstat (limited to 'source4/nsswitch/winbindd_idmap.c')
| -rw-r--r-- | source4/nsswitch/winbindd_idmap.c | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/source4/nsswitch/winbindd_idmap.c b/source4/nsswitch/winbindd_idmap.c new file mode 100644 index 0000000000..de547cde41 --- /dev/null +++ b/source4/nsswitch/winbindd_idmap.c @@ -0,0 +1,196 @@ +/* + 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())); + } +} + |