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Diffstat (limited to 'source4/passdb/machine_sid.c')
| -rw-r--r-- | source4/passdb/machine_sid.c | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/source4/passdb/machine_sid.c b/source4/passdb/machine_sid.c deleted file mode 100644 index 41979c6526..0000000000 --- a/source4/passdb/machine_sid.c +++ /dev/null @@ -1,192 +0,0 @@ -/* - Unix SMB/CIFS implementation. - Password and authentication handling - Copyright (C) Jeremy Allison 1996-2002 - Copyright (C) Andrew Tridgell 2002 - Copyright (C) Gerald (Jerry) Carter 2000 - Copyright (C) Stefan (metze) Metzmacher 2002 - - 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 "includes.h" - -/* NOTE! the global_sam_sid is the SID of our local SAM. This is only - equal to the domain SID when we are a DC, otherwise its our - workstation SID */ -static DOM_SID *global_sam_sid=NULL; - -#undef DBGC_CLASS -#define DBGC_CLASS DBGC_PASSDB - -/**************************************************************************** - Read a SID from a file. This is for compatibility with the old MACHINE.SID - style of SID storage -****************************************************************************/ -static BOOL read_sid_from_file(const char *fname, DOM_SID *sid) -{ - char **lines; - int numlines; - BOOL ret; - - lines = file_lines_load(fname, &numlines); - - if (!lines || numlines < 1) { - if (lines) file_lines_free(lines); - return False; - } - - ret = string_to_sid(sid, lines[0]); - file_lines_free(lines); - return ret; -} - -/* - generate a random sid - used to build our own sid if we don't have one -*/ -static void generate_random_sid(DOM_SID *sid) -{ - int i; - uchar raw_sid_data[12]; - - memset((char *)sid, '\0', sizeof(*sid)); - sid->sid_rev_num = 1; - sid->id_auth[5] = 5; - sid->num_auths = 0; - sid->sub_auths[sid->num_auths++] = 21; - - generate_random_buffer(raw_sid_data, 12, True); - for (i = 0; i < 3; i++) - sid->sub_auths[sid->num_auths++] = IVAL(raw_sid_data, i*4); -} - -/**************************************************************************** - Generate the global machine sid. -****************************************************************************/ - -static BOOL pdb_generate_sam_sid(void) -{ - char *fname = NULL; - BOOL is_dc = False; - - if(global_sam_sid==NULL) - if(!(global_sam_sid=(DOM_SID *)malloc(sizeof(DOM_SID)))) - return False; - - generate_wellknown_sids(); - - switch (lp_server_role()) { - case ROLE_DOMAIN_PDC: - case ROLE_DOMAIN_BDC: - is_dc = True; - break; - default: - is_dc = False; - break; - } - - if (secrets_fetch_domain_sid(lp_netbios_name(), global_sam_sid)) { - DOM_SID domain_sid; - - /* We got our sid. If not a pdc/bdc, we're done. */ - if (!is_dc) - return True; - - if (!secrets_fetch_domain_sid(lp_workgroup(), &domain_sid)) { - - /* No domain sid and we're a pdc/bdc. Store it */ - - if (!secrets_store_domain_sid(lp_workgroup(), global_sam_sid)) { - DEBUG(0,("pdb_generate_sam_sid: Can't store domain SID as a pdc/bdc.\n")); - return False; - } - return True; - } - - if (!sid_equal(&domain_sid, global_sam_sid)) { - - /* Domain name sid doesn't match global sam sid. Re-store global sam sid as domain sid. */ - - DEBUG(0,("pdb_generate_sam_sid: Mismatched SIDs as a pdc/bdc.\n")); - if (!secrets_store_domain_sid(lp_workgroup(), global_sam_sid)) { - DEBUG(0,("pdb_generate_sam_sid: Can't re-store domain SID as a pdc/bdc.\n")); - return False; - } - return True; - } - - return True; - - } - - /* check for an old MACHINE.SID file for backwards compatibility */ - asprintf(&fname, "%s/MACHINE.SID", lp_private_dir()); - - if (read_sid_from_file(fname, global_sam_sid)) { - /* remember it for future reference and unlink the old MACHINE.SID */ - if (!secrets_store_domain_sid(lp_netbios_name(), global_sam_sid)) { - DEBUG(0,("pdb_generate_sam_sid: Failed to store SID from file-1.\n")); - SAFE_FREE(fname); - return False; - } - unlink(fname); - if (is_dc) { - if (!secrets_store_domain_sid(lp_workgroup(), global_sam_sid)) { - DEBUG(0,("pdb_generate_sam_sid: Failed to store domain SID from file-2.\n")); - SAFE_FREE(fname); - return False; - } - } - - /* Stored the old sid from MACHINE.SID successfully.*/ - SAFE_FREE(fname); - return True; - } - - SAFE_FREE(fname); - - /* we don't have the SID in secrets.tdb, we will need to - generate one and save it */ - generate_random_sid(global_sam_sid); - - if (!secrets_store_domain_sid(lp_netbios_name(), global_sam_sid)) { - DEBUG(0,("pdb_generate_sam_sid: Failed to store generated machine SID-3, nb name=%s.\n", lp_netbios_name())); - return False; - } - if (is_dc) { - if (!secrets_store_domain_sid(lp_workgroup(), global_sam_sid)) { - DEBUG(0,("pdb_generate_sam_sid: Failed to store generated domain SID-4, wg name=%s.\n", lp_workgroup())); - return False; - } - } - - return True; -} - -/* return our global_sam_sid */ -struct sid_info *get_global_sam_sid(void) -{ - if (global_sam_sid != NULL) - return global_sam_sid; - - /* memory for global_sam_sid is allocated in - pdb_generate_sam_sid() as needed */ - - if (!pdb_generate_sam_sid()) - global_sam_sid=NULL; - - return global_sam_sid; -} - |