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authorJeremy Allison <jra@samba.org>2002-03-12 02:26:33 +0000
committerJeremy Allison <jra@samba.org>2002-03-12 02:26:33 +0000
commit0235736212177d82d1c73659fc13a9b609f8605e (patch)
treeb6eca1a0084932fbb2ce97896fc6b7496e4eb5f9 /source3/passdb/machine_sid.c
parent879c18397ca68b9968dd96a8c9e61e6ffbee0576 (diff)
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Ensure, if we're a PDC or BDC, that the SID stored for the domain name
and the machine name are identical. Jeremy. (This used to be commit 87e6b08964d13d6613342c9be21871a2e776e2e6)
Diffstat (limited to 'source3/passdb/machine_sid.c')
-rw-r--r--source3/passdb/machine_sid.c80
1 files changed, 70 insertions, 10 deletions
diff --git a/source3/passdb/machine_sid.c b/source3/passdb/machine_sid.c
index 16a9903ec8..a670505167 100644
--- a/source3/passdb/machine_sid.c
+++ b/source3/passdb/machine_sid.c
@@ -1,8 +1,8 @@
/*
Unix SMB/CIFS implementation.
Password and authentication handling
- Copyright (C) Jeremy Allison 1996-1998
- Copyright (C) Luke Kenneth Casson Leighton 1996-1998
+ Copyright (C) Jeremy Allison 1996-2002
+ Copyright (C) Andrew Tridgell 2002
Copyright (C) Gerald (Jerry) Carter 2000
This program is free software; you can redistribute it and/or modify
@@ -64,46 +64,106 @@ static void generate_random_sid(DOM_SID *sid)
sid->sub_auths[sid->num_auths++] = IVAL(raw_sid_data, i*4);
}
+static BOOL read_sam_sid(void)
+{
+ extern pstring global_myname;
+ extern fstring global_myworkgroup;
+}
+
/****************************************************************************
Generate the global machine sid.
****************************************************************************/
+
BOOL pdb_generate_sam_sid(void)
{
char *fname = NULL;
char *domain_name;
extern pstring global_myname;
extern fstring global_myworkgroup;
+ BOOL is_dc = False;
generate_wellknown_sids();
- /* the local SAMR sid is based on the workgroup only when we are a DC */
switch (lp_server_role()) {
case ROLE_DOMAIN_PDC:
case ROLE_DOMAIN_BDC:
- domain_name = global_myworkgroup;
+ is_dc = True;
break;
default:
- domain_name = global_myname;
+ is_dc = False;
break;
}
- if (secrets_fetch_domain_sid(domain_name, &global_sam_sid)) {
+ if (secrets_fetch_domain_sid(global_myname, &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(global_myworkgroup, &domain_sid)) {
+
+ /* No domain sid and we're a pdc/bdc. Store it */
+
+ if (!secrets_store_domain_sid(global_myworkgroup, &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(global_myworkgroup, &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(domain_name, &global_sam_sid)) {
- unlink(fname);
+ if (!secrets_store_domain_sid(global_myname, &global_sam_sid)) {
+ DEBUG(0,("pdb_generate_sam_sid: Failed to store SID from file.\n"));
+ SAFE_FREE(fname);
+ return False;
+ }
+ unlink(fname);
+ if (is_dc) {
+ if (!secrets_store_domain_sid(global_myworkgroup, &global_sam_sid)) {
+ DEBUG(0,("pdb_generate_sam_sid: Failed to store domain SID from file.\n"));
+ SAFE_FREE(fname);
+ return False;
+ }
}
- 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);
- return secrets_store_domain_sid(domain_name, &global_sam_sid);
+ if (!secrets_store_domain_sid(global_myname, &global_sam_sid)) {
+ DEBUG(0,("pdb_generate_sam_sid: Failed to store generated machine SID.\n"));
+ return False;
+ }
+ if (is_dc) {
+ if (!secrets_store_domain_sid(global_myworkgroup, &global_sam_sid)) {
+ DEBUG(0,("pdb_generate_sam_sid: Failed to store generated domain SID.\n"));
+ return False;
+ }
+ }
+
+ return True;
}