#include "lib/ldb/include/ldb_errors.h"
#include "system/iconv.h"
#include "librpc/gen_ndr/netlogon.h"
+#include "auth/auth.h"
+#include "dsdb/samdb/samdb.h"
enum hdb_ldb_ent_type
{ HDB_LDB_ENT_TYPE_CLIENT, HDB_LDB_ENT_TYPE_SERVER,
return flags;
}
-static krb5_error_code hdb_ldb_free_private(krb5_context context, hdb_entry_ex *entry_ex)
+static int hdb_ldb_destrutor(void *ptr)
{
- talloc_free(entry_ex->private);
- return 0;
+ struct hdb_ldb_private *private = ptr;
+ hdb_entry_ex *entry_ex = private->entry_ex;
+ free_hdb_entry(&entry_ex->entry);
+ return 0;
+}
+
+static void hdb_ldb_free_entry(krb5_context context, hdb_entry_ex *entry_ex)
+{
+ talloc_free(entry_ex->ctx);
}
/*
unsigned int userAccountControl;
int i;
krb5_error_code ret = 0;
+ krb5_boolean is_computer = FALSE;
const char *dnsdomain = ldb_msg_find_string(realm_ref_msg, "dnsRoot", NULL);
char *realm = strupper_talloc(mem_ctx, dnsdomain);
struct ldb_dn *domain_dn = samdb_result_dn(mem_ctx, realm_ref_msg, "nCName", ldb_dn_new(mem_ctx));
struct hdb_ldb_private *private;
- hdb_entry *ent = &entry_ex->entry;
NTTIME acct_expiry;
- memset(ent, 0, sizeof(*ent));
+ struct ldb_message_element *objectclasses;
+ struct ldb_val computer_val;
+ computer_val.data = discard_const_p(uint8_t,"computer");
+ computer_val.length = strlen((const char *)computer_val.data);
+
+ objectclasses = ldb_msg_find_element(msg, "objectClass");
+
+ if (objectclasses && ldb_msg_find_val(objectclasses, &computer_val)) {
+ is_computer = TRUE;
+ }
+
+ memset(entry_ex, 0, sizeof(*entry_ex));
krb5_warnx(context, "LDB_message2entry:\n");
goto out;
}
+ private = talloc(mem_ctx, struct hdb_ldb_private);
+ if (!private) {
+ ret = ENOMEM;
+ goto out;
+ }
+
+ private->entry_ex = entry_ex;
+
+ talloc_set_destructor(private, hdb_ldb_destrutor);
+
+ entry_ex->ctx = private;
+ entry_ex->free_entry = hdb_ldb_free_entry;
+
userAccountControl = ldb_msg_find_uint(msg, "userAccountControl", 0);
+
- ent->principal = malloc(sizeof(*(ent->principal)));
+ entry_ex->entry.principal = malloc(sizeof(*(entry_ex->entry.principal)));
if (ent_type == HDB_LDB_ENT_TYPE_ANY && principal == NULL) {
const char *samAccountName = ldb_msg_find_string(msg, "samAccountName", NULL);
if (!samAccountName) {
goto out;
}
samAccountName = ldb_msg_find_string(msg, "samAccountName", NULL);
- krb5_make_principal(context, &ent->principal, realm, samAccountName, NULL);
+ krb5_make_principal(context, &entry_ex->entry.principal, realm, samAccountName, NULL);
} else {
char *strdup_realm;
- ret = copy_Principal(principal, ent->principal);
+ ret = copy_Principal(principal, entry_ex->entry.principal);
if (ret) {
krb5_clear_error_string(context);
goto out;
* we determine from our records */
/* don't leak */
- free(*krb5_princ_realm(context, ent->principal));
+ free(*krb5_princ_realm(context, entry_ex->entry.principal));
/* this has to be with malloc() */
strdup_realm = strdup(realm);
krb5_clear_error_string(context);
goto out;
}
- krb5_princ_set_realm(context, ent->principal, &strdup_realm);
+ krb5_princ_set_realm(context, entry_ex->entry.principal, &strdup_realm);
}
- ent->kvno = ldb_msg_find_int(msg, "msDS-KeyVersionNumber", 0);
+ entry_ex->entry.kvno = ldb_msg_find_int(msg, "msDS-KeyVersionNumber", 0);
- ent->flags = uf2HDBFlags(context, userAccountControl, ent_type);
+ entry_ex->entry.flags = uf2HDBFlags(context, userAccountControl, ent_type);
if (ent_type == HDB_LDB_ENT_TYPE_KRBTGT) {
- ent->flags.invalid = 0;
- ent->flags.server = 1;
- ent->flags.forwardable = 1;
- ent->flags.ok_as_delegate = 1;
+ entry_ex->entry.flags.invalid = 0;
+ entry_ex->entry.flags.server = 1;
+ entry_ex->entry.flags.forwardable = 1;
+ entry_ex->entry.flags.ok_as_delegate = 1;
}
if (lp_parm_bool(-1, "kdc", "require spn for service", True)) {
- if (!ldb_msg_find_string(msg, "servicePrincipalName", NULL)) {
- ent->flags.server = 0;
+ if (!is_computer && !ldb_msg_find_string(msg, "servicePrincipalName", NULL)) {
+ entry_ex->entry.flags.server = 0;
}
}
/* use 'whenCreated' */
- ent->created_by.time = ldb_msg_find_krb5time_ldap_time(msg, "whenCreated", 0);
+ entry_ex->entry.created_by.time = ldb_msg_find_krb5time_ldap_time(msg, "whenCreated", 0);
/* use '???' */
- ent->created_by.principal = NULL;
+ entry_ex->entry.created_by.principal = NULL;
- ent->modified_by = (Event *) malloc(sizeof(Event));
- if (ent->modified_by == NULL) {
+ entry_ex->entry.modified_by = (Event *) malloc(sizeof(Event));
+ if (entry_ex->entry.modified_by == NULL) {
krb5_set_error_string(context, "malloc: out of memory");
ret = ENOMEM;
goto out;
}
/* use 'whenChanged' */
- ent->modified_by->time = ldb_msg_find_krb5time_ldap_time(msg, "whenChanged", 0);
+ entry_ex->entry.modified_by->time = ldb_msg_find_krb5time_ldap_time(msg, "whenChanged", 0);
/* use '???' */
- ent->modified_by->principal = NULL;
+ entry_ex->entry.modified_by->principal = NULL;
- ent->valid_start = NULL;
+ entry_ex->entry.valid_start = NULL;
acct_expiry = samdb_result_nttime(msg, "accountExpires", (NTTIME)-1);
if ((acct_expiry == (NTTIME)-1) ||
(acct_expiry == 0x7FFFFFFFFFFFFFFFULL)) {
- ent->valid_end = NULL;
+ entry_ex->entry.valid_end = NULL;
} else {
- ent->valid_end = malloc(sizeof(*ent->valid_end));
- if (ent->valid_end == NULL) {
+ entry_ex->entry.valid_end = malloc(sizeof(*entry_ex->entry.valid_end));
+ if (entry_ex->entry.valid_end == NULL) {
ret = ENOMEM;
goto out;
}
- *ent->valid_end = nt_time_to_unix(acct_expiry);
+ *entry_ex->entry.valid_end = nt_time_to_unix(acct_expiry);
}
if ((ent_type != HDB_LDB_ENT_TYPE_KRBTGT) && (!(userAccountControl & UF_DONT_EXPIRE_PASSWD))) {
domain_dn, msg,
"pwdLastSet");
if (must_change_time != 0) {
- ent->pw_end = malloc(sizeof(*ent->pw_end));
- if (ent->pw_end == NULL) {
+ entry_ex->entry.pw_end = malloc(sizeof(*entry_ex->entry.pw_end));
+ if (entry_ex->entry.pw_end == NULL) {
ret = ENOMEM;
goto out;
}
- *ent->pw_end = nt_time_to_unix(must_change_time);
+ *entry_ex->entry.pw_end = nt_time_to_unix(must_change_time);
} else {
- ent->pw_end = NULL;
+ entry_ex->entry.pw_end = NULL;
}
} else {
- ent->pw_end = NULL;
+ entry_ex->entry.pw_end = NULL;
}
- ent->max_life = NULL;
+ entry_ex->entry.max_life = NULL;
- ent->max_renew = NULL;
+ entry_ex->entry.max_renew = NULL;
- ent->generation = NULL;
+ entry_ex->entry.generation = NULL;
/* create the keys and enctypes */
unicodePwd = ldb_msg_find_string(msg, "unicodePwd", NULL);
Principal *salt_principal;
const char *user_principal_name = ldb_msg_find_string(msg, "userPrincipalName", NULL);
- struct ldb_message_element *objectclasses;
- struct ldb_val computer_val;
- computer_val.data = discard_const_p(uint8_t,"computer");
- computer_val.length = strlen((const char *)computer_val.data);
-
- objectclasses = ldb_msg_find_element(msg, "objectClass");
-
- if (objectclasses && ldb_msg_find_val(objectclasses, &computer_val)) {
+ if (is_computer) {
/* Determine a salting principal */
char *samAccountName = talloc_strdup(mem_ctx, ldb_msg_find_string(msg, "samAccountName", NULL));
char *saltbody;
}
if (ret == 0) {
- size_t num_keys = ent->keys.len;
+ size_t num_keys = entry_ex->entry.keys.len;
/*
* create keys from unicodePwd
*/
ret = hdb_generate_key_set_password(context, salt_principal,
unicodePwd,
- &ent->keys.val, &num_keys);
- ent->keys.len = num_keys;
+ &entry_ex->entry.keys.val, &num_keys);
+ entry_ex->entry.keys.len = num_keys;
krb5_free_principal(context, salt_principal);
}
if (ret != 0) {
krb5_warnx(context, "could not generate keys from unicodePwd\n");
- ent->keys.val = NULL;
- ent->keys.len = 0;
+ entry_ex->entry.keys.val = NULL;
+ entry_ex->entry.keys.len = 0;
goto out;
}
} else {
val = ldb_msg_find_ldb_val(msg, "ntPwdHash");
if (!val) {
krb5_warnx(context, "neither type of key available for this account\n");
- ent->keys.val = NULL;
- ent->keys.len = 0;
+ entry_ex->entry.keys.val = NULL;
+ entry_ex->entry.keys.len = 0;
} else if (val->length < 16) {
- ent->keys.val = NULL;
- ent->keys.len = 0;
+ entry_ex->entry.keys.val = NULL;
+ entry_ex->entry.keys.len = 0;
krb5_warnx(context, "ntPwdHash has invalid length: %d\n",
(int)val->length);
} else {
memcpy(keyvalue.data, val->data, 16);
- ent->keys.val = malloc(sizeof(ent->keys.val[0]));
- if (ent->keys.val == NULL) {
+ entry_ex->entry.keys.val = malloc(sizeof(entry_ex->entry.keys.val[0]));
+ if (entry_ex->entry.keys.val == NULL) {
krb5_data_free(&keyvalue);
krb5_clear_error_string(context);
ret = ENOMEM;
goto out;
}
- memset(&ent->keys.val[0], 0, sizeof(Key));
- ent->keys.val[0].key.keytype = ETYPE_ARCFOUR_HMAC_MD5;
- ent->keys.val[0].key.keyvalue = keyvalue;
+ memset(&entry_ex->entry.keys.val[0], 0, sizeof(Key));
+ entry_ex->entry.keys.val[0].key.keytype = ETYPE_ARCFOUR_HMAC_MD5;
+ entry_ex->entry.keys.val[0].key.keyvalue = keyvalue;
- ent->keys.len = 1;
+ entry_ex->entry.keys.len = 1;
}
}
- ent->etypes = malloc(sizeof(*(ent->etypes)));
- if (ent->etypes == NULL) {
+ entry_ex->entry.etypes = malloc(sizeof(*(entry_ex->entry.etypes)));
+ if (entry_ex->entry.etypes == NULL) {
krb5_clear_error_string(context);
ret = ENOMEM;
goto out;
}
- ent->etypes->len = ent->keys.len;
- ent->etypes->val = calloc(ent->etypes->len, sizeof(int));
- if (ent->etypes->val == NULL) {
+ entry_ex->entry.etypes->len = entry_ex->entry.keys.len;
+ entry_ex->entry.etypes->val = calloc(entry_ex->entry.etypes->len, sizeof(int));
+ if (entry_ex->entry.etypes->val == NULL) {
krb5_clear_error_string(context);
ret = ENOMEM;
goto out;
}
- for (i=0; i < ent->etypes->len; i++) {
- ent->etypes->val[i] = ent->keys.val[i].key.keytype;
+ for (i=0; i < entry_ex->entry.etypes->len; i++) {
+ entry_ex->entry.etypes->val[i] = entry_ex->entry.keys.val[i].key.keytype;
}
- private = talloc(db, struct hdb_ldb_private);
- if (!private) {
- ret = ENOMEM;
- goto out;
- }
-
private->msg = talloc_steal(private, msg);
private->realm_ref_msg = talloc_steal(private, realm_ref_msg);
private->samdb = (struct ldb_context *)db->hdb_db;
- entry_ex->private = private;
- entry_ex->free_private = hdb_ldb_free_private;
entry_ex->check_client_access = hdb_ldb_check_client_access;
entry_ex->authz_data_tgs_req = hdb_ldb_authz_data_tgs_req;
entry_ex->authz_data_as_req = hdb_ldb_authz_data_as_req;
out:
if (ret != 0) {
/* This doesn't free ent itself, that is for the eventual caller to do */
- hdb_free_entry(context, &entry_ex->entry);
+ hdb_free_entry(context, entry_ex);
+ } else {
+ talloc_steal(db, entry_ex->ctx);
}
return ret;
char *filter = NULL;
const char * const *princ_attrs = krb5_attrs;
- char *princ_str;
- char *princ_str_talloc;
char *short_princ;
char *short_princ_talloc;
struct ldb_result *res = NULL;
- ret = krb5_unparse_name(context, principal, &princ_str);
-
- if (ret != 0) {
- krb5_set_error_string(context, "LDB_lookup_principal: could not parse principal");
- krb5_warnx(context, "LDB_lookup_principal: could not parse principal");
- return ret;
- }
-
ret = krb5_unparse_name_norealm(context, principal, &short_princ);
if (ret != 0) {
- free(princ_str);
krb5_set_error_string(context, "LDB_lookup_principal: could not parse principal");
krb5_warnx(context, "LDB_lookup_principal: could not parse principal");
return ret;
}
- princ_str_talloc = talloc_strdup(mem_ctx, princ_str);
short_princ_talloc = talloc_strdup(mem_ctx, short_princ);
- free(princ_str);
free(short_princ);
- if (!short_princ || !princ_str_talloc) {
+ if (!short_princ || !short_princ_talloc) {
krb5_set_error_string(context, "LDB_lookup_principal: talloc_strdup() failed!");
return ENOMEM;
}
case HDB_LDB_ENT_TYPE_CLIENT:
/* Can't happen */
return EINVAL;
- break;
+ case HDB_LDB_ENT_TYPE_ANY:
+ /* Can't happen */
+ return EINVAL;
case HDB_LDB_ENT_TYPE_KRBTGT:
filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(samAccountName=%s))",
KRB5_TGS_NAME);
filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(samAccountName=%s))",
short_princ_talloc);
break;
- case HDB_LDB_ENT_TYPE_ANY:
- filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(|(|(samAccountName=%s)(servicePrincipalName=%s))(userPrincipalName=%s)))",
- short_princ_talloc, short_princ_talloc, princ_str_talloc);
- break;
}
if (!filter) {
talloc_free(res);
return HDB_ERR_NOENTRY;
}
- *pmsg = talloc_steal(mem_ctx, res->msgs);
+ talloc_steal(mem_ctx, res->msgs);
+ *pmsg = res->msgs;
talloc_free(res);
return 0;
}
return HDB_ERR_DB_INUSE;
}
-static krb5_error_code LDB_fetch_ex(krb5_context context, HDB *db, unsigned flags,
- krb5_const_principal principal,
- enum hdb_ent_type ent_type,
- hdb_entry_ex *entry_ex)
+static krb5_error_code LDB_fetch(krb5_context context, HDB *db, unsigned flags,
+ krb5_const_principal principal,
+ enum hdb_ent_type ent_type,
+ hdb_entry_ex *entry_ex)
{
struct ldb_message **msg = NULL;
struct ldb_message **realm_ref_msg = NULL;
const char *realm;
const struct ldb_dn *realm_dn;
- TALLOC_CTX *mem_ctx = talloc_named(NULL, 0, "LDB_fetch context");
+ TALLOC_CTX *mem_ctx = talloc_named(db, 0, "LDB_fetch context");
if (!mem_ctx) {
krb5_set_error_string(context, "LDB_fetch: talloc_named() failed!");
nt_status = sam_get_results_principal((struct ldb_context *)db->hdb_db,
mem_ctx, principal_string,
&msg, &realm_ref_msg);
+ free(principal_string);
if (NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_SUCH_USER)) {
+ talloc_free(mem_ctx);
return HDB_ERR_NOENTRY;
} else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_MEMORY)) {
+ talloc_free(mem_ctx);
return ENOMEM;
} else if (!NT_STATUS_IS_OK(nt_status)) {
+ talloc_free(mem_ctx);
return EINVAL;
}
break;
} else {
/* we should lookup trusted domains */
+ talloc_free(mem_ctx);
return HDB_ERR_NOENTRY;
}
mem_ctx, user_dn, &msg, krb5_attrs);
if (ldb_ret != 1) {
+ talloc_free(mem_ctx);
return HDB_ERR_NOENTRY;
}
"ncName=%s", ldb_dn_linearize(mem_ctx, domain_dn));
if (ldb_ret != 1) {
+ talloc_free(mem_ctx);
return HDB_ERR_NOENTRY;
}
break;
}
case HDB_ENT_TYPE_ANY:
- ldb_ent_type = HDB_LDB_ENT_TYPE_ANY;
- break;
+ krb5_warnx(context, "LDB_fetch: ENT_TYPE_ANY is not valid in hdb-ldb!");
+ talloc_free(mem_ctx);
+ return HDB_ERR_NOENTRY;
default:
krb5_warnx(context, "LDB_fetch: invalid ent_type specified!");
talloc_free(mem_ctx);
return ret;
}
-static krb5_error_code LDB_fetch(krb5_context context, HDB *db, unsigned flags,
- krb5_const_principal principal,
- enum hdb_ent_type ent_type,
- hdb_entry *entry)
-{
- struct hdb_entry_ex entry_ex;
- krb5_error_code ret;
-
- memset(&entry_ex, '\0', sizeof(entry_ex));
- ret = LDB_fetch_ex(context, db, flags, principal, ent_type, &entry_ex);
-
- if (ret == 0) {
- if (entry_ex.free_private) {
- entry_ex.free_private(context, &entry_ex);
- }
- *entry = entry_ex.entry;
- }
- return ret;
-}
-
-static krb5_error_code LDB_store(krb5_context context, HDB *db, unsigned flags, hdb_entry *entry)
+static krb5_error_code LDB_store(krb5_context context, HDB *db, unsigned flags, hdb_entry_ex *entry)
{
return HDB_ERR_DB_INUSE;
}
-static krb5_error_code LDB_remove(krb5_context context, HDB *db, hdb_entry *entry)
+static krb5_error_code LDB_remove(krb5_context context, HDB *db, hdb_entry_ex *entry)
{
return HDB_ERR_DB_INUSE;
}
struct ldb_message **realm_ref_msgs;
};
-static krb5_error_code LDB_seq(krb5_context context, HDB *db, unsigned flags, hdb_entry *entry)
+static krb5_error_code LDB_seq(krb5_context context, HDB *db, unsigned flags, hdb_entry_ex *entry)
{
krb5_error_code ret;
struct hdb_ldb_seq *priv = (struct hdb_ldb_seq *)db->hdb_openp;
ret = LDB_message2entry(context, db, mem_ctx,
NULL, HDB_LDB_ENT_TYPE_ANY,
priv->msgs[priv->index++],
- priv->realm_ref_msgs[0], &entry_ex);
- if (ret == 0) {
- if (entry_ex.free_private) {
- entry_ex.free_private(context, &entry_ex);
- }
- *entry = entry_ex.entry;
- }
+ priv->realm_ref_msgs[0], entry);
} else {
ret = HDB_ERR_NOENTRY;
}
}
static krb5_error_code LDB_firstkey(krb5_context context, HDB *db, unsigned flags,
- hdb_entry *entry)
+ hdb_entry_ex *entry)
{
struct ldb_context *ldb_ctx = (struct ldb_context *)db->hdb_db;
struct hdb_ldb_seq *priv = (struct hdb_ldb_seq *)db->hdb_openp;
}
static krb5_error_code LDB_nextkey(krb5_context context, HDB *db, unsigned flags,
- hdb_entry *entry)
+ hdb_entry_ex *entry)
{
return LDB_seq(context, db, flags, entry);
}
return 0;
}
-krb5_error_code hdb_ldb_create(TALLOC_CTX *mem_ctx,
- krb5_context context, struct HDB **db, const char *arg)
+NTSTATUS hdb_ldb_create(TALLOC_CTX *mem_ctx,
+ krb5_context context, struct HDB **db, const char *arg)
{
+ NTSTATUS nt_status;
+ struct auth_session_info *session_info;
*db = talloc(mem_ctx, HDB);
if (!*db) {
krb5_set_error_string(context, "malloc: out of memory");
- return ENOMEM;
+ return NT_STATUS_NO_MEMORY;
}
(*db)->hdb_master_key_set = 0;
(*db)->hdb_db = NULL;
+ nt_status = auth_system_session_info(*db, &session_info);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ return nt_status;
+ }
+
+ /* The idea here is very simple. Using Kerberos to
+ * authenticate the KDC to the LDAP server is higly likely to
+ * be circular.
+ *
+ * In future we may set this up to use EXERNAL and SSL
+ * certificates, for now it will almost certainly be NTLMSSP
+ */
+
+ nt_status = cli_credentials_gensec_remove_oid(session_info->credentials,
+ GENSEC_OID_KERBEROS5);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ return nt_status;
+ }
+
/* Setup the link to LDB */
- (*db)->hdb_db = samdb_connect(*db, system_session(db));
+ (*db)->hdb_db = samdb_connect(*db, session_info);
if ((*db)->hdb_db == NULL) {
- krb5_warnx(context, "hdb_ldb_create: samdb_connect failed!");
- krb5_set_error_string(context, "samdb_connect failed!");
- talloc_free(*db);
- return HDB_ERR_NOENTRY;
+ DEBUG(1, ("hdb_ldb_create: Cannot open samdb for KDC backend!"));
+ return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
}
(*db)->hdb_openp = 0;
(*db)->hdb_open = LDB_open;
(*db)->hdb_close = LDB_close;
(*db)->hdb_fetch = LDB_fetch;
- (*db)->hdb_fetch_ex = LDB_fetch_ex;
(*db)->hdb_store = LDB_store;
(*db)->hdb_remove = LDB_remove;
(*db)->hdb_firstkey = LDB_firstkey;
(*db)->hdb__del = NULL;
(*db)->hdb_destroy = LDB_destroy;
- return 0;
+ return NT_STATUS_OK;
}
git.samba.org / samba.git / blobdiff