#include "librpc/gen_ndr/ndr_netlogon.h"
#include "librpc/gen_ndr/ndr_misc.h"
#include "librpc/gen_ndr/ndr_security.h"
+#include "lib/events/events.h"
#include "lib/ldb/include/ldb.h"
#include "lib/ldb/include/ldb_errors.h"
#include "libcli/security/security.h"
#include "libcli/auth/libcli_auth.h"
-#include "libcli/ldap/ldap.h"
+#include "libcli/ldap/ldap_ndr.h"
#include "system/time.h"
#include "system/filesys.h"
-#include "db_wrap.h"
+#include "ldb_wrap.h"
+#include "../lib/util/util_ldb.h"
#include "dsdb/samdb/samdb.h"
-#include "dsdb/common/flags.h"
+#include "../libds/common/flags.h"
#include "param/param.h"
+#include "lib/events/events.h"
+#include "auth/credentials/credentials.h"
+#include "param/secrets.h"
-/*
- connect to the SAM database
- return an opaque context pointer on success, or NULL on failure
- */
-struct ldb_context *samdb_connect(TALLOC_CTX *mem_ctx,
- struct auth_session_info *session_info)
-{
- struct ldb_context *ldb;
- ldb = ldb_wrap_connect(mem_ctx, lp_sam_url(global_loadparm), session_info,
- NULL, 0, NULL);
- if (!ldb) {
- return NULL;
- }
- dsdb_make_schema_global(ldb);
- return ldb;
-}
-
-/*
- search the sam for the specified attributes in a specific domain, filter on
- objectSid being in domain_sid.
-*/
-int samdb_search_domain(struct ldb_context *sam_ldb,
- TALLOC_CTX *mem_ctx,
- struct ldb_dn *basedn,
- struct ldb_message ***res,
- const char * const *attrs,
- const struct dom_sid *domain_sid,
- const char *format, ...) _PRINTF_ATTRIBUTE(7,8)
-{
- va_list ap;
- int i, count;
-
- va_start(ap, format);
- count = gendb_search_v(sam_ldb, mem_ctx, basedn,
- res, attrs, format, ap);
- va_end(ap);
-
- i=0;
-
- while (i<count) {
- struct dom_sid *entry_sid;
-
- entry_sid = samdb_result_dom_sid(mem_ctx, (*res)[i], "objectSid");
-
- if ((entry_sid == NULL) ||
- (!dom_sid_in_domain(domain_sid, entry_sid))) {
- /* Delete that entry from the result set */
- (*res)[i] = (*res)[count-1];
- count -= 1;
- talloc_free(entry_sid);
- continue;
- }
- talloc_free(entry_sid);
- i += 1;
- }
-
- return count;
-}
-
-/*
- search the sam for a single string attribute in exactly 1 record
-*/
-const char *samdb_search_string_v(struct ldb_context *sam_ldb,
- TALLOC_CTX *mem_ctx,
- struct ldb_dn *basedn,
- const char *attr_name,
- const char *format, va_list ap) _PRINTF_ATTRIBUTE(5,0)
-{
- int count;
- const char *attrs[2] = { NULL, NULL };
- struct ldb_message **res = NULL;
-
- attrs[0] = attr_name;
-
- count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
- if (count > 1) {
- DEBUG(1,("samdb: search for %s %s not single valued (count=%d)\n",
- attr_name, format, count));
- }
- if (count != 1) {
- talloc_free(res);
- return NULL;
- }
-
- return samdb_result_string(res[0], attr_name, NULL);
-}
-
-
-/*
- search the sam for a single string attribute in exactly 1 record
-*/
-const char *samdb_search_string(struct ldb_context *sam_ldb,
- TALLOC_CTX *mem_ctx,
- struct ldb_dn *basedn,
- const char *attr_name,
- const char *format, ...) _PRINTF_ATTRIBUTE(5,6)
-{
- va_list ap;
- const char *str;
-
- va_start(ap, format);
- str = samdb_search_string_v(sam_ldb, mem_ctx, basedn, attr_name, format, ap);
- va_end(ap);
-
- return str;
-}
-
-struct ldb_dn *samdb_search_dn(struct ldb_context *sam_ldb,
- TALLOC_CTX *mem_ctx,
- struct ldb_dn *basedn,
- const char *format, ...) _PRINTF_ATTRIBUTE(4,5)
-{
- va_list ap;
- struct ldb_dn *ret;
- struct ldb_message **res = NULL;
- int count;
-
- va_start(ap, format);
- count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, NULL, format, ap);
- va_end(ap);
-
- if (count != 1) return NULL;
-
- ret = talloc_steal(mem_ctx, res[0]->dn);
- talloc_free(res);
-
- return ret;
-}
-
-/*
- search the sam for a dom_sid attribute in exactly 1 record
-*/
-struct dom_sid *samdb_search_dom_sid(struct ldb_context *sam_ldb,
- TALLOC_CTX *mem_ctx,
- struct ldb_dn *basedn,
- const char *attr_name,
- const char *format, ...) _PRINTF_ATTRIBUTE(5,6)
-{
- va_list ap;
- int count;
- struct ldb_message **res;
- const char *attrs[2] = { NULL, NULL };
- struct dom_sid *sid;
-
- attrs[0] = attr_name;
-
- va_start(ap, format);
- count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
- va_end(ap);
- if (count > 1) {
- DEBUG(1,("samdb: search for %s %s not single valued (count=%d)\n",
- attr_name, format, count));
- }
- if (count != 1) {
- talloc_free(res);
- return NULL;
- }
- sid = samdb_result_dom_sid(mem_ctx, res[0], attr_name);
- talloc_free(res);
- return sid;
-}
-
-/*
- return the count of the number of records in the sam matching the query
-*/
-int samdb_search_count(struct ldb_context *sam_ldb,
- TALLOC_CTX *mem_ctx,
- struct ldb_dn *basedn,
- const char *format, ...) _PRINTF_ATTRIBUTE(4,5)
-{
- va_list ap;
- struct ldb_message **res;
- const char * const attrs[] = { NULL };
- int ret;
-
- va_start(ap, format);
- ret = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
- va_end(ap);
-
- return ret;
-}
-
-
-/*
- search the sam for a single integer attribute in exactly 1 record
-*/
-uint_t samdb_search_uint(struct ldb_context *sam_ldb,
- TALLOC_CTX *mem_ctx,
- uint_t default_value,
- struct ldb_dn *basedn,
- const char *attr_name,
- const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
-{
- va_list ap;
- int count;
- struct ldb_message **res;
- const char *attrs[2] = { NULL, NULL };
-
- attrs[0] = attr_name;
-
- va_start(ap, format);
- count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
- va_end(ap);
-
- if (count != 1) {
- return default_value;
- }
-
- return samdb_result_uint(res[0], attr_name, default_value);
-}
-
-/*
- search the sam for a single signed 64 bit integer attribute in exactly 1 record
-*/
-int64_t samdb_search_int64(struct ldb_context *sam_ldb,
- TALLOC_CTX *mem_ctx,
- int64_t default_value,
- struct ldb_dn *basedn,
- const char *attr_name,
- const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
-{
- va_list ap;
- int count;
- struct ldb_message **res;
- const char *attrs[2] = { NULL, NULL };
-
- attrs[0] = attr_name;
-
- va_start(ap, format);
- count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
- va_end(ap);
-
- if (count != 1) {
- return default_value;
- }
-
- return samdb_result_int64(res[0], attr_name, default_value);
-}
-
-/*
- search the sam for multipe records each giving a single string attribute
- return the number of matches, or -1 on error
-*/
-int samdb_search_string_multiple(struct ldb_context *sam_ldb,
- TALLOC_CTX *mem_ctx,
- struct ldb_dn *basedn,
- const char ***strs,
- const char *attr_name,
- const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
-{
- va_list ap;
- int count, i;
- const char *attrs[2] = { NULL, NULL };
- struct ldb_message **res = NULL;
-
- attrs[0] = attr_name;
-
- va_start(ap, format);
- count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
- va_end(ap);
-
- if (count <= 0) {
- return count;
- }
-
- /* make sure its single valued */
- for (i=0;i<count;i++) {
- if (res[i]->num_elements != 1) {
- DEBUG(1,("samdb: search for %s %s not single valued\n",
- attr_name, format));
- talloc_free(res);
- return -1;
- }
- }
-
- *strs = talloc_array(mem_ctx, const char *, count+1);
- if (! *strs) {
- talloc_free(res);
- return -1;
- }
-
- for (i=0;i<count;i++) {
- (*strs)[i] = samdb_result_string(res[i], attr_name, NULL);
- }
- (*strs)[count] = NULL;
-
- return count;
-}
-
-/*
- pull a uint from a result set.
-*/
-uint_t samdb_result_uint(const struct ldb_message *msg, const char *attr, uint_t default_value)
-{
- return ldb_msg_find_attr_as_uint(msg, attr, default_value);
-}
-
-/*
- pull a (signed) int64 from a result set.
-*/
-int64_t samdb_result_int64(const struct ldb_message *msg, const char *attr, int64_t default_value)
-{
- return ldb_msg_find_attr_as_int64(msg, attr, default_value);
-}
-
-/*
- pull a string from a result set.
-*/
-const char *samdb_result_string(const struct ldb_message *msg, const char *attr,
- const char *default_value)
-{
- return ldb_msg_find_attr_as_string(msg, attr, default_value);
-}
-
-struct ldb_dn *samdb_result_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
- const char *attr, struct ldb_dn *default_value)
-{
- struct ldb_dn *ret_dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, msg, attr);
- if (!ret_dn) {
- return default_value;
- }
- return ret_dn;
-}
-
-/*
- pull a rid from a objectSid in a result set.
-*/
-uint32_t samdb_result_rid_from_sid(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
- const char *attr, uint32_t default_value)
-{
- struct dom_sid *sid;
- uint32_t rid;
-
- sid = samdb_result_dom_sid(mem_ctx, msg, attr);
- if (sid == NULL) {
- return default_value;
- }
- rid = sid->sub_auths[sid->num_auths-1];
- talloc_free(sid);
- return rid;
-}
-
-/*
- pull a dom_sid structure from a objectSid in a result set.
-*/
-struct dom_sid *samdb_result_dom_sid(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
- const char *attr)
-{
- const struct ldb_val *v;
- struct dom_sid *sid;
- NTSTATUS status;
- v = ldb_msg_find_ldb_val(msg, attr);
- if (v == NULL) {
- return NULL;
- }
- sid = talloc(mem_ctx, struct dom_sid);
- if (sid == NULL) {
- return NULL;
- }
- status = ndr_pull_struct_blob(v, sid, sid,
- (ndr_pull_flags_fn_t)ndr_pull_dom_sid);
- if (!NT_STATUS_IS_OK(status)) {
- talloc_free(sid);
- return NULL;
- }
- return sid;
-}
-
-/*
- pull a guid structure from a objectGUID in a result set.
-*/
-struct GUID samdb_result_guid(const struct ldb_message *msg, const char *attr)
-{
- const struct ldb_val *v;
- NTSTATUS status;
- struct GUID guid;
- TALLOC_CTX *mem_ctx;
-
- ZERO_STRUCT(guid);
-
- v = ldb_msg_find_ldb_val(msg, attr);
- if (!v) return guid;
-
- mem_ctx = talloc_named_const(NULL, 0, "samdb_result_guid");
- if (!mem_ctx) return guid;
- status = ndr_pull_struct_blob(v, mem_ctx, &guid,
- (ndr_pull_flags_fn_t)ndr_pull_GUID);
- talloc_free(mem_ctx);
- if (!NT_STATUS_IS_OK(status)) {
- return guid;
- }
-
- return guid;
-}
-
-/*
- pull a sid prefix from a objectSid in a result set.
- this is used to find the domain sid for a user
-*/
-struct dom_sid *samdb_result_sid_prefix(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
- const char *attr)
-{
- struct dom_sid *sid = samdb_result_dom_sid(mem_ctx, msg, attr);
- if (!sid || sid->num_auths < 1) return NULL;
- sid->num_auths--;
- return sid;
-}
-
-/*
- pull a NTTIME in a result set.
-*/
-NTTIME samdb_result_nttime(struct ldb_message *msg, const char *attr, NTTIME default_value)
-{
- return ldb_msg_find_attr_as_uint64(msg, attr, default_value);
-}
-
-/*
- pull a uint64_t from a result set.
-*/
-uint64_t samdb_result_uint64(struct ldb_message *msg, const char *attr, uint64_t default_value)
-{
- return ldb_msg_find_attr_as_uint64(msg, attr, default_value);
-}
-
-
-/*
- construct the allow_password_change field from the PwdLastSet attribute and the
- domain password settings
-*/
-NTTIME samdb_result_allow_password_change(struct ldb_context *sam_ldb,
- TALLOC_CTX *mem_ctx,
- struct ldb_dn *domain_dn,
- struct ldb_message *msg,
- const char *attr)
-{
- uint64_t attr_time = samdb_result_uint64(msg, attr, 0);
- int64_t minPwdAge;
-
- if (attr_time == 0) {
- return 0;
- }
-
- minPwdAge = samdb_search_int64(sam_ldb, mem_ctx, 0, domain_dn, "minPwdAge", NULL);
-
- /* yes, this is a -= not a += as minPwdAge is stored as the negative
- of the number of 100-nano-seconds */
- attr_time -= minPwdAge;
-
- return attr_time;
-}
-
-/*
- construct the force_password_change field from the PwdLastSet attribute and the
- domain password settings
-*/
-NTTIME samdb_result_force_password_change(struct ldb_context *sam_ldb,
- TALLOC_CTX *mem_ctx,
- struct ldb_dn *domain_dn,
- struct ldb_message *msg)
-{
- uint64_t attr_time = samdb_result_uint64(msg, "pwdLastSet", 0);
- uint32_t user_flags = samdb_result_uint64(msg, "userAccountControl", 0);
- int64_t maxPwdAge;
-
- if (user_flags & UF_DONT_EXPIRE_PASSWD) {
- return 0x7FFFFFFFFFFFFFFFULL;
- }
-
- if (attr_time == 0) {
- return 0;
- }
-
- maxPwdAge = samdb_search_int64(sam_ldb, mem_ctx, 0, domain_dn, "maxPwdAge", NULL);
- if (maxPwdAge == 0) {
- return 0;
- } else {
- attr_time -= maxPwdAge;
- }
-
- return attr_time;
-}
-
-/*
- pull a samr_Password structutre from a result set.
-*/
-struct samr_Password *samdb_result_hash(TALLOC_CTX *mem_ctx, struct ldb_message *msg, const char *attr)
-{
- struct samr_Password *hash = NULL;
- const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
- if (val && (val->length >= sizeof(hash->hash))) {
- hash = talloc(mem_ctx, struct samr_Password);
- memcpy(hash->hash, val->data, MIN(val->length, sizeof(hash->hash)));
- }
- return hash;
-}
-
-/*
- pull an array of samr_Password structutres from a result set.
-*/
-uint_t samdb_result_hashes(TALLOC_CTX *mem_ctx, struct ldb_message *msg,
- const char *attr, struct samr_Password **hashes)
-{
- uint_t count = 0;
- const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
- int i;
-
- *hashes = NULL;
- if (!val) {
- return 0;
- }
- count = val->length / 16;
- if (count == 0) {
- return 0;
- }
-
- *hashes = talloc_array(mem_ctx, struct samr_Password, count);
- if (! *hashes) {
- return 0;
- }
-
- for (i=0;i<count;i++) {
- memcpy((*hashes)[i].hash, (i*16)+(char *)val->data, 16);
- }
-
- return count;
-}
-
-NTSTATUS samdb_result_passwords(TALLOC_CTX *mem_ctx, struct ldb_message *msg,
- struct samr_Password **lm_pwd, struct samr_Password **nt_pwd)
-{
- struct samr_Password *lmPwdHash, *ntPwdHash;
- if (nt_pwd) {
- int num_nt;
- num_nt = samdb_result_hashes(mem_ctx, msg, "unicodePwd", &ntPwdHash);
- if (num_nt == 0) {
- *nt_pwd = NULL;
- } else if (num_nt > 1) {
- return NT_STATUS_INTERNAL_DB_CORRUPTION;
- } else {
- *nt_pwd = &ntPwdHash[0];
- }
- }
- if (lm_pwd) {
- int num_lm;
- num_lm = samdb_result_hashes(mem_ctx, msg, "dBCSPwd", &lmPwdHash);
- if (num_lm == 0) {
- *lm_pwd = NULL;
- } else if (num_lm > 1) {
- return NT_STATUS_INTERNAL_DB_CORRUPTION;
- } else {
- *lm_pwd = &lmPwdHash[0];
- }
- }
- return NT_STATUS_OK;
-}
-
-/*
- pull a samr_LogonHours structutre from a result set.
-*/
-struct samr_LogonHours samdb_result_logon_hours(TALLOC_CTX *mem_ctx, struct ldb_message *msg, const char *attr)
-{
- struct samr_LogonHours hours;
- const int units_per_week = 168;
- const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
- ZERO_STRUCT(hours);
- hours.bits = talloc_array(mem_ctx, uint8_t, units_per_week);
- if (!hours.bits) {
- return hours;
- }
- hours.units_per_week = units_per_week;
- memset(hours.bits, 0xFF, units_per_week);
- if (val) {
- memcpy(hours.bits, val->data, MIN(val->length, units_per_week));
- }
- return hours;
-}
-
-/*
- pull a set of account_flags from a result set.
-*/
-uint16_t samdb_result_acct_flags(struct ldb_message *msg, const char *attr)
-{
- uint_t userAccountControl = ldb_msg_find_attr_as_uint(msg, attr, 0);
- return samdb_uf2acb(userAccountControl);
-}
-
-
-/* Find an attribute, with a particular value */
-
-/* The current callers of this function expect a very specific
- * behaviour: In particular, objectClass subclass equivilance is not
- * wanted. This means that we should not lookup the schema for the
- * comparison function */
-struct ldb_message_element *samdb_find_attribute(struct ldb_context *ldb,
- const struct ldb_message *msg,
- const char *name, const char *value)
-{
- int i;
- struct ldb_message_element *el = ldb_msg_find_element(msg, name);
-
- if (!el) {
- return NULL;
- }
-
- for (i=0;i<el->num_values;i++) {
- if (ldb_attr_cmp(value, (char *)el->values[i].data) == 0) {
- return el;
- }
- }
-
- return NULL;
-}
-
-int samdb_find_or_add_value(struct ldb_context *ldb, struct ldb_message *msg, const char *name, const char *set_value)
-{
- if (samdb_find_attribute(ldb, msg, name, set_value) == NULL) {
- return samdb_msg_add_string(ldb, msg, msg, name, set_value);
- }
- return LDB_SUCCESS;
-}
-
-int samdb_find_or_add_attribute(struct ldb_context *ldb, struct ldb_message *msg, const char *name, const char *set_value)
-{
- struct ldb_message_element *el;
-
- el = ldb_msg_find_element(msg, name);
- if (el) {
- return LDB_SUCCESS;
- }
-
- return samdb_msg_add_string(ldb, msg, msg, name, set_value);
-}
-
-
-/*
- copy from a template record to a message
-*/
-int samdb_copy_template(struct ldb_context *ldb,
- struct ldb_message *msg, const char *name,
- const char **errstring)
-{
- struct ldb_result *res;
- struct ldb_message *t;
- int ret, i, j;
- struct ldb_dn *basedn = ldb_dn_new(ldb, ldb, "cn=Templates");
-
- *errstring = NULL;
-
- if (!ldb_dn_add_child_fmt(basedn, "CN=Template%s", name)) {
- *errstring = talloc_asprintf(msg, "samdb_copy_template: ERROR: Failed to contruct DN for template '%s'",
- name);
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- /* pull the template record */
- ret = ldb_search(ldb, basedn, LDB_SCOPE_BASE, "cn=*", NULL, &res);
- talloc_free(basedn);
- if (ret != LDB_SUCCESS) {
- *errstring = talloc_steal(msg, ldb_errstring(ldb));
- return ret;
- }
- if (res->count != 1) {
- *errstring = talloc_asprintf(msg, "samdb_copy_template: ERROR: template '%s' matched %d records, expected 1",
- name,
- res->count);
- talloc_free(res);
- return LDB_ERR_OPERATIONS_ERROR;
- }
- t = res->msgs[0];
-
- for (i = 0; i < t->num_elements; i++) {
- struct ldb_message_element *el = &t->elements[i];
- /* some elements should not be copied from the template */
- if (ldb_attr_cmp(el->name, "cn") == 0 ||
- ldb_attr_cmp(el->name, "name") == 0 ||
- ldb_attr_cmp(el->name, "objectClass") == 0 ||
- ldb_attr_cmp(el->name, "sAMAccountName") == 0 ||
- ldb_attr_cmp(el->name, "sAMAccountName") == 0 ||
- ldb_attr_cmp(el->name, "distinguishedName") == 0 ||
- ldb_attr_cmp(el->name, "objectGUID") == 0) {
- continue;
- }
- for (j = 0; j < el->num_values; j++) {
- ret = samdb_find_or_add_attribute(ldb, msg, el->name,
- (char *)el->values[j].data);
- if (ret) {
- *errstring = talloc_asprintf(msg, "Adding attribute %s failed.", el->name);
- talloc_free(res);
- return ret;
- }
- }
- }
-
- talloc_free(res);
-
- return LDB_SUCCESS;
-}
-
-
-/*
- add a string element to a message
-*/
-int samdb_msg_add_string(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
- const char *attr_name, const char *str)
-{
- char *s = talloc_strdup(mem_ctx, str);
- char *a = talloc_strdup(mem_ctx, attr_name);
- if (s == NULL || a == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
- return ldb_msg_add_string(msg, a, s);
-}
-
-/*
- add a dom_sid element to a message
-*/
-int samdb_msg_add_dom_sid(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
- const char *attr_name, struct dom_sid *sid)
-{
- struct ldb_val v;
- NTSTATUS status;
- status = ndr_push_struct_blob(&v, mem_ctx, sid,
- (ndr_push_flags_fn_t)ndr_push_dom_sid);
- if (!NT_STATUS_IS_OK(status)) {
- return -1;
- }
- return ldb_msg_add_value(msg, attr_name, &v, NULL);
-}
-
-
-/*
- add a delete element operation to a message
-*/
-int samdb_msg_add_delete(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
- const char *attr_name)
-{
- /* we use an empty replace rather than a delete, as it allows for
- samdb_replace() to be used everywhere */
- return ldb_msg_add_empty(msg, attr_name, LDB_FLAG_MOD_REPLACE, NULL);
-}
-
-/*
- add a add attribute value to a message
-*/
-int samdb_msg_add_addval(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
- const char *attr_name, const char *value)
-{
- struct ldb_message_element *el;
- char *a, *v;
- int ret;
- a = talloc_strdup(mem_ctx, attr_name);
- if (a == NULL)
- return -1;
- v = talloc_strdup(mem_ctx, value);
- if (v == NULL)
- return -1;
- ret = ldb_msg_add_string(msg, a, v);
- if (ret != 0)
- return ret;
- el = ldb_msg_find_element(msg, a);
- if (el == NULL)
- return -1;
- el->flags = LDB_FLAG_MOD_ADD;
- return 0;
-}
-
-/*
- add a delete attribute value to a message
-*/
-int samdb_msg_add_delval(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
- const char *attr_name, const char *value)
-{
- struct ldb_message_element *el;
- char *a, *v;
- int ret;
- a = talloc_strdup(mem_ctx, attr_name);
- if (a == NULL)
- return -1;
- v = talloc_strdup(mem_ctx, value);
- if (v == NULL)
- return -1;
- ret = ldb_msg_add_string(msg, a, v);
- if (ret != 0)
- return ret;
- el = ldb_msg_find_element(msg, a);
- if (el == NULL)
- return -1;
- el->flags = LDB_FLAG_MOD_DELETE;
- return 0;
-}
-
-/*
- add a int element to a message
-*/
-int samdb_msg_add_int(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
- const char *attr_name, int v)
-{
- const char *s = talloc_asprintf(mem_ctx, "%d", v);
- return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, s);
-}
-
-/*
- add a uint_t element to a message
-*/
-int samdb_msg_add_uint(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
- const char *attr_name, uint_t v)
-{
- const char *s = talloc_asprintf(mem_ctx, "%u", v);
- return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, s);
-}
-
-/*
- add a (signed) int64_t element to a message
-*/
-int samdb_msg_add_int64(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
- const char *attr_name, int64_t v)
-{
- const char *s = talloc_asprintf(mem_ctx, "%lld", (long long)v);
- return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, s);
-}
-
-/*
- add a uint64_t element to a message
-*/
-int samdb_msg_add_uint64(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
- const char *attr_name, uint64_t v)
-{
- const char *s = talloc_asprintf(mem_ctx, "%llu", (unsigned long long)v);
- return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, s);
-}
-
-/*
- add a samr_Password element to a message
-*/
-int samdb_msg_add_hash(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
- const char *attr_name, struct samr_Password *hash)
-{
- struct ldb_val val;
- val.data = talloc_memdup(mem_ctx, hash->hash, 16);
- if (!val.data) {
- return -1;
- }
- val.length = 16;
- return ldb_msg_add_value(msg, attr_name, &val, NULL);
-}
-
-/*
- add a samr_Password array to a message
-*/
-int samdb_msg_add_hashes(TALLOC_CTX *mem_ctx, struct ldb_message *msg,
- const char *attr_name, struct samr_Password *hashes, uint_t count)
-{
- struct ldb_val val;
- int i;
- val.data = talloc_array_size(mem_ctx, 16, count);
- val.length = count*16;
- if (!val.data) {
- return -1;
- }
- for (i=0;i<count;i++) {
- memcpy(i*16 + (char *)val.data, hashes[i].hash, 16);
- }
- return ldb_msg_add_value(msg, attr_name, &val, NULL);
-}
-
-/*
- add a acct_flags element to a message
-*/
-int samdb_msg_add_acct_flags(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
- const char *attr_name, uint32_t v)
-{
- return samdb_msg_add_uint(sam_ldb, mem_ctx, msg, attr_name, samdb_acb2uf(v));
-}
-
-/*
- add a logon_hours element to a message
-*/
-int samdb_msg_add_logon_hours(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
- const char *attr_name, struct samr_LogonHours *hours)
-{
- struct ldb_val val;
- val.length = hours->units_per_week / 8;
- val.data = hours->bits;
- return ldb_msg_add_value(msg, attr_name, &val, NULL);
-}
-
-/*
- add a general value element to a message
-*/
-int samdb_msg_add_value(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
- const char *attr_name, const struct ldb_val *val)
-{
- return ldb_msg_add_value(msg, attr_name, val, NULL);
-}
-
-/*
- sets a general value element to a message
-*/
-int samdb_msg_set_value(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
- const char *attr_name, const struct ldb_val *val)
-{
- struct ldb_message_element *el;
-
- el = ldb_msg_find_element(msg, attr_name);
- if (el) {
- el->num_values = 0;
- }
- return ldb_msg_add_value(msg, attr_name, val, NULL);
-}
-
-/*
- set a string element in a message
-*/
-int samdb_msg_set_string(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
- const char *attr_name, const char *str)
-{
- struct ldb_message_element *el;
-
- el = ldb_msg_find_element(msg, attr_name);
- if (el) {
- el->num_values = 0;
- }
- return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, str);
-}
-
-/*
- add a record
-*/
-int samdb_add(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg)
-{
- return ldb_add(sam_ldb, msg);
-}
-
-/*
- delete a record
-*/
-int samdb_delete(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_dn *dn)
-{
- return ldb_delete(sam_ldb, dn);
-}
-
-/*
- modify a record
-*/
-int samdb_modify(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg)
-{
- return ldb_modify(sam_ldb, msg);
-}
-
-/*
- replace elements in a record
-*/
-int samdb_replace(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg)
-{
- int i;
-
- /* mark all the message elements as LDB_FLAG_MOD_REPLACE */
- for (i=0;i<msg->num_elements;i++) {
- msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
- }
-
- /* modify the samdb record */
- return samdb_modify(sam_ldb, mem_ctx, msg);
-}
-
-/*
- return a default security descriptor
-*/
-struct security_descriptor *samdb_default_security_descriptor(TALLOC_CTX *mem_ctx)
-{
- struct security_descriptor *sd;
-
- sd = security_descriptor_initialise(mem_ctx);
-
- return sd;
-}
-
-struct ldb_dn *samdb_base_dn(struct ldb_context *sam_ctx)
-{
- return ldb_get_default_basedn(sam_ctx);
-}
-
-struct ldb_dn *samdb_config_dn(struct ldb_context *sam_ctx)
-{
- return ldb_get_config_basedn(sam_ctx);
-}
-
-struct ldb_dn *samdb_schema_dn(struct ldb_context *sam_ctx)
-{
- return ldb_get_schema_basedn(sam_ctx);
-}
-
-struct ldb_dn *samdb_root_dn(struct ldb_context *sam_ctx)
-{
- return ldb_get_root_basedn(sam_ctx);
-}
-
-struct ldb_dn *samdb_partitions_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
-{
- struct ldb_dn *new_dn;
-
- new_dn = ldb_dn_copy(mem_ctx, samdb_config_dn(sam_ctx));
- if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Partitions")) {
- talloc_free(new_dn);
- return NULL;
- }
- return new_dn;
-}
-
-struct ldb_dn *samdb_sites_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
-{
- struct ldb_dn *new_dn;
-
- new_dn = ldb_dn_copy(mem_ctx, samdb_config_dn(sam_ctx));
- if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Sites")) {
- talloc_free(new_dn);
- return NULL;
- }
- return new_dn;
-}
-
-/*
- work out the domain sid for the current open ldb
-*/
-const struct dom_sid *samdb_domain_sid(struct ldb_context *ldb)
-{
- TALLOC_CTX *tmp_ctx;
- struct dom_sid *domain_sid;
-
- /* see if we have a cached copy */
- domain_sid = (struct dom_sid *)ldb_get_opaque(ldb, "cache.domain_sid");
- if (domain_sid) {
- return domain_sid;
- }
-
- tmp_ctx = talloc_new(ldb);
- if (tmp_ctx == NULL) {
- goto failed;
- }
-
- /* find the domain_sid */
- domain_sid = samdb_search_dom_sid(ldb, tmp_ctx, ldb_get_default_basedn(ldb),
- "objectSid", "objectClass=domainDNS");
- if (domain_sid == NULL) {
- goto failed;
- }
-
- /* cache the domain_sid in the ldb */
- if (ldb_set_opaque(ldb, "cache.domain_sid", domain_sid) != LDB_SUCCESS) {
- goto failed;
- }
-
- talloc_steal(ldb, domain_sid);
- talloc_free(tmp_ctx);
-
- return domain_sid;
-
-failed:
- DEBUG(1,("Failed to find domain_sid for open ldb\n"));
- talloc_free(tmp_ctx);
- return NULL;
-}
-
-/* Obtain the short name of the flexible single master operator
- * (FSMO), such as the PDC Emulator */
-const char *samdb_result_fsmo_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
- const char *attr)
+char *samdb_relative_path(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx,
+ const char *name)
{
- /* Format is cn=NTDS Settings,cn=<NETBIOS name of FSMO>,.... */
- struct ldb_dn *fsmo_dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, msg, attr);
- const struct ldb_val *val = ldb_dn_get_component_val(fsmo_dn, 1);
- const char *name = ldb_dn_get_component_name(fsmo_dn, 1);
-
- if (!name || (ldb_attr_cmp(name, "cn") != 0)) {
- /* Ensure this matches the format. This gives us a
- * bit more confidence that a 'cn' value will be a
- * ascii string */
+ const char *base_url =
+ (const char *)ldb_get_opaque(ldb, "ldb_url");
+ char *path, *p, *full_name;
+ if (name == NULL) {
return NULL;
}
- if (val) {
- return (char *)val->data;
- }
- return NULL;
-}
-
-/*
- work out the ntds settings dn for the current open ldb
-*/
-struct ldb_dn *samdb_ntds_settings_dn(struct ldb_context *ldb)
-{
- TALLOC_CTX *tmp_ctx;
- const char *root_attrs[] = { "dsServiceName", NULL };
- int ret;
- struct ldb_result *root_res;
- struct ldb_dn *settings_dn;
-
- /* see if we have a cached copy */
- settings_dn = (struct ldb_dn *)ldb_get_opaque(ldb, "cache.settings_dn");
- if (settings_dn) {
- return settings_dn;
- }
-
- tmp_ctx = talloc_new(ldb);
- if (tmp_ctx == NULL) {
- goto failed;
- }
-
-
- ret = ldb_search(ldb, ldb_dn_new(tmp_ctx, ldb, ""), LDB_SCOPE_BASE, NULL, root_attrs, &root_res);
- if (ret) {
- DEBUG(1,("Searching for dsServiceName in rootDSE failed: %s\n",
- ldb_errstring(ldb)));
- goto failed;
- }
- talloc_steal(tmp_ctx, root_res);
-
- if (root_res->count != 1) {
- goto failed;
- }
-
- settings_dn = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, root_res->msgs[0], "dsServiceName");
-
- /* cache the domain_sid in the ldb */
- if (ldb_set_opaque(ldb, "cache.settings_dn", settings_dn) != LDB_SUCCESS) {
- goto failed;
- }
-
- talloc_steal(ldb, settings_dn);
- talloc_free(tmp_ctx);
-
- return settings_dn;
-
-failed:
- DEBUG(1,("Failed to find our own NTDS Settings DN in the ldb!\n"));
- talloc_free(tmp_ctx);
- return NULL;
-}
-
-/*
- work out the ntds settings invocationId for the current open ldb
-*/
-const struct GUID *samdb_ntds_invocation_id(struct ldb_context *ldb)
-{
- TALLOC_CTX *tmp_ctx;
- const char *attrs[] = { "invocationId", NULL };
- int ret;
- struct ldb_result *res;
- struct GUID *invocation_id;
-
- /* see if we have a cached copy */
- invocation_id = (struct GUID *)ldb_get_opaque(ldb, "cache.invocation_id");
- if (invocation_id) {
- return invocation_id;
- }
-
- tmp_ctx = talloc_new(ldb);
- if (tmp_ctx == NULL) {
- goto failed;
- }
-
- ret = ldb_search(ldb, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, NULL, attrs, &res);
- if (ret) {
- goto failed;
- }
- talloc_steal(tmp_ctx, res);
-
- if (res->count != 1) {
- goto failed;
- }
-
- invocation_id = talloc(tmp_ctx, struct GUID);
- if (!invocation_id) {
- goto failed;
- }
-
- *invocation_id = samdb_result_guid(res->msgs[0], "invocationId");
-
- /* cache the domain_sid in the ldb */
- if (ldb_set_opaque(ldb, "cache.invocation_id", invocation_id) != LDB_SUCCESS) {
- goto failed;
- }
-
- talloc_steal(ldb, invocation_id);
- talloc_free(tmp_ctx);
-
- return invocation_id;
-
-failed:
- DEBUG(1,("Failed to find our own NTDS Settings invocationId in the ldb!\n"));
- talloc_free(tmp_ctx);
- return NULL;
-}
-
-bool samdb_set_ntds_invocation_id(struct ldb_context *ldb, const struct GUID *invocation_id_in)
-{
- TALLOC_CTX *tmp_ctx;
- struct GUID *invocation_id_new;
- struct GUID *invocation_id_old;
-
- /* see if we have a cached copy */
- invocation_id_old = (struct GUID *)ldb_get_opaque(ldb,
- "cache.invocation_id");
-
- tmp_ctx = talloc_new(ldb);
- if (tmp_ctx == NULL) {
- goto failed;
- }
-
- invocation_id_new = talloc(tmp_ctx, struct GUID);
- if (!invocation_id_new) {
- goto failed;
- }
-
- *invocation_id_new = *invocation_id_in;
-
- /* cache the domain_sid in the ldb */
- if (ldb_set_opaque(ldb, "cache.invocation_id", invocation_id_new) != LDB_SUCCESS) {
- goto failed;
- }
-
- talloc_steal(ldb, invocation_id_new);
- talloc_free(tmp_ctx);
- talloc_free(invocation_id_old);
-
- return true;
-
-failed:
- DEBUG(1,("Failed to set our own cached invocationId in the ldb!\n"));
- talloc_free(tmp_ctx);
- return false;
-}
-
-/*
- work out the ntds settings objectGUID for the current open ldb
-*/
-const struct GUID *samdb_ntds_objectGUID(struct ldb_context *ldb)
-{
- TALLOC_CTX *tmp_ctx;
- const char *attrs[] = { "objectGUID", NULL };
- int ret;
- struct ldb_result *res;
- struct GUID *ntds_guid;
-
- /* see if we have a cached copy */
- ntds_guid = (struct GUID *)ldb_get_opaque(ldb, "cache.ntds_guid");
- if (ntds_guid) {
- return ntds_guid;
- }
-
- tmp_ctx = talloc_new(ldb);
- if (tmp_ctx == NULL) {
- goto failed;
- }
-
- ret = ldb_search(ldb, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, NULL, attrs, &res);
- if (ret) {
- goto failed;
- }
- talloc_steal(tmp_ctx, res);
-
- if (res->count != 1) {
- goto failed;
- }
-
- ntds_guid = talloc(tmp_ctx, struct GUID);
- if (!ntds_guid) {
- goto failed;
- }
-
- *ntds_guid = samdb_result_guid(res->msgs[0], "objectGUID");
-
- /* cache the domain_sid in the ldb */
- if (ldb_set_opaque(ldb, "cache.ntds_guid", ntds_guid) != LDB_SUCCESS) {
- goto failed;
+ if (name[0] == 0 || name[0] == '/' || strstr(name, ":/")) {
+ return talloc_strdup(mem_ctx, name);
}
-
- talloc_steal(ldb, ntds_guid);
- talloc_free(tmp_ctx);
-
- return ntds_guid;
-
-failed:
- DEBUG(1,("Failed to find our own NTDS Settings objectGUID in the ldb!\n"));
- talloc_free(tmp_ctx);
- return NULL;
-}
-
-bool samdb_set_ntds_objectGUID(struct ldb_context *ldb, const struct GUID *ntds_guid_in)
-{
- TALLOC_CTX *tmp_ctx;
- struct GUID *ntds_guid_new;
- struct GUID *ntds_guid_old;
-
- /* see if we have a cached copy */
- ntds_guid_old = (struct GUID *)ldb_get_opaque(ldb, "cache.ntds_guid");
-
- tmp_ctx = talloc_new(ldb);
- if (tmp_ctx == NULL) {
- goto failed;
+ if (strncmp("tdb://", base_url, 6) == 0) {
+ base_url = base_url+6;
}
-
- ntds_guid_new = talloc(tmp_ctx, struct GUID);
- if (!ntds_guid_new) {
- goto failed;
+ path = talloc_strdup(mem_ctx, base_url);
+ if (path == NULL) {
+ return NULL;
}
-
- *ntds_guid_new = *ntds_guid_in;
-
- /* cache the domain_sid in the ldb */
- if (ldb_set_opaque(ldb, "cache.ntds_guid", ntds_guid_new) != LDB_SUCCESS) {
- goto failed;
+ if ( (p = strrchr(path, '/')) != NULL) {
+ p[0] = '\0';
+ full_name = talloc_asprintf(mem_ctx, "%s/%s", path, name);
+ } else {
+ full_name = talloc_asprintf(mem_ctx, "./%s", name);
}
-
- talloc_steal(ldb, ntds_guid_new);
- talloc_free(tmp_ctx);
- talloc_free(ntds_guid_old);
-
- return true;
-
-failed:
- DEBUG(1,("Failed to set our own cached invocationId in the ldb!\n"));
- talloc_free(tmp_ctx);
- return false;
+ talloc_free(path);
+ return full_name;
}
/*
- work out the server dn for the current open ldb
-*/
-struct ldb_dn *samdb_server_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
-{
- return ldb_dn_get_parent(mem_ctx, samdb_ntds_settings_dn(ldb));
-}
-
-/*
- work out the server dn for the current open ldb
-*/
-struct ldb_dn *samdb_server_site_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
+ make sure the static credentials are not freed
+ */
+static int samdb_credentials_destructor(struct cli_credentials *creds)
{
- struct ldb_dn *server_dn;
- struct ldb_dn *server_site_dn;
-
- server_dn = samdb_server_dn(ldb, mem_ctx);
- if (!server_dn) return NULL;
-
- server_site_dn = ldb_dn_get_parent(mem_ctx, server_dn);
-
- talloc_free(server_dn);
- return server_site_dn;
+ return -1;
}
/*
- work out if we are the PDC for the domain of the current open ldb
-*/
-BOOL samdb_is_pdc(struct ldb_context *ldb)
+ this returns a static set of system credentials. It is static so
+ that we always get the same pointer in ldb_wrap_connect()
+ */
+struct cli_credentials *samdb_credentials(struct tevent_context *event_ctx,
+ struct loadparm_context *lp_ctx)
{
- const char *dom_attrs[] = { "fSMORoleOwner", NULL };
- int ret;
- struct ldb_result *dom_res;
- TALLOC_CTX *tmp_ctx;
- BOOL is_pdc;
- struct ldb_dn *pdc;
+ static struct cli_credentials *static_credentials;
+ struct cli_credentials *cred;
- tmp_ctx = talloc_new(ldb);
- if (tmp_ctx == NULL) {
- DEBUG(1, ("talloc_new failed in samdb_is_pdc"));
- return False;
+ if (static_credentials) {
+ return static_credentials;
}
- ret = ldb_search(ldb, ldb_get_default_basedn(ldb), LDB_SCOPE_BASE, NULL, dom_attrs, &dom_res);
- if (ret) {
- DEBUG(1,("Searching for fSMORoleOwner in %s failed: %s\n",
- ldb_dn_get_linearized(ldb_get_default_basedn(ldb)),
- ldb_errstring(ldb)));
- goto failed;
- }
- talloc_steal(tmp_ctx, dom_res);
- if (dom_res->count != 1) {
- goto failed;
- }
-
- pdc = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, dom_res->msgs[0], "fSMORoleOwner");
-
- if (ldb_dn_compare(samdb_ntds_settings_dn(ldb), pdc) == 0) {
- is_pdc = True;
- } else {
- is_pdc = False;
+ cred = cli_credentials_init(talloc_autofree_context());
+ if (!cred) {
+ return NULL;
}
+ cli_credentials_set_conf(cred, lp_ctx);
- talloc_free(tmp_ctx);
-
- return is_pdc;
-
-failed:
- DEBUG(1,("Failed to find if we are the PDC for this ldb\n"));
- talloc_free(tmp_ctx);
- return False;
-}
-
-
-/* Find a domain object in the parents of a particular DN. */
-struct ldb_dn *samdb_search_for_parent_domain(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn *dn)
-{
- TALLOC_CTX *local_ctx;
- struct ldb_dn *sdn = dn;
- struct ldb_result *res = NULL;
- int ret = 0;
- const char *attrs[] = { NULL };
-
- local_ctx = talloc_new(mem_ctx);
- if (local_ctx == NULL) return NULL;
-
- while ((sdn = ldb_dn_get_parent(local_ctx, sdn))) {
- ret = ldb_search(ldb, sdn, LDB_SCOPE_BASE,
- "(|(objectClass=domain)(objectClass=builtinDomain))", attrs, &res);
- if (ret == LDB_SUCCESS) {
- talloc_steal(local_ctx, res);
- if (res->count == 1) {
- break;
- }
- }
- }
+ /* We don't want to use krb5 to talk to our samdb - recursion
+ * here would be bad, and this account isn't in the KDC
+ * anyway */
+ cli_credentials_set_kerberos_state(cred, CRED_DONT_USE_KERBEROS);
- if (ret != LDB_SUCCESS || res->count != 1) {
- talloc_free(local_ctx);
+ if (!NT_STATUS_IS_OK(cli_credentials_set_secrets(cred, event_ctx, lp_ctx, NULL, NULL,
+ SECRETS_LDAP_FILTER))) {
+ /* Perfectly OK - if not against an LDAP backend */
+ talloc_free(cred);
return NULL;
}
-
- talloc_steal(mem_ctx, sdn);
- talloc_free(local_ctx);
-
- return sdn;
-}
-
-/*
- check that a password is sufficiently complex
-*/
-static BOOL samdb_password_complexity_ok(const char *pass)
-{
- return check_password_quality(pass);
+ static_credentials = cred;
+ talloc_set_destructor(cred, samdb_credentials_destructor);
+ return cred;
}
-
-
/*
- set the user password using plaintext, obeying any user or domain
- password restrictions
-
- note that this function doesn't actually store the result in the
- database, it just fills in the "mod" structure with ldb modify
- elements to setup the correct change when samdb_replace() is
- called. This allows the caller to combine the change with other
- changes (as is needed by some of the set user info levels)
-
- The caller should probably have a transaction wrapping this
-*/
-_PUBLIC_ NTSTATUS samdb_set_password(struct ldb_context *ctx, TALLOC_CTX *mem_ctx,
- struct ldb_dn *user_dn,
- struct ldb_dn *domain_dn,
- struct ldb_message *mod,
- const char *new_pass,
- struct samr_Password *lmNewHash,
- struct samr_Password *ntNewHash,
- BOOL user_change,
- enum samr_RejectReason *reject_reason,
- struct samr_DomInfo1 **_dominfo)
+ connect to the SAM database
+ return an opaque context pointer on success, or NULL on failure
+ */
+struct ldb_context *samdb_connect(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev_ctx,
+ struct loadparm_context *lp_ctx,
+ struct auth_session_info *session_info)
{
- const char * const user_attrs[] = { "userAccountControl", "lmPwdHistory",
- "ntPwdHistory",
- "dBCSPwd", "unicodePwd",
- "objectSid",
- "pwdLastSet", NULL };
- const char * const domain_attrs[] = { "pwdProperties", "pwdHistoryLength",
- "maxPwdAge", "minPwdAge",
- "minPwdLength", NULL };
- NTTIME pwdLastSet;
- int64_t minPwdAge;
- uint_t minPwdLength, pwdProperties, pwdHistoryLength;
- uint_t userAccountControl;
- struct samr_Password *sambaLMPwdHistory, *sambaNTPwdHistory, *lmPwdHash, *ntPwdHash;
- struct samr_Password local_lmNewHash, local_ntNewHash;
- int sambaLMPwdHistory_len, sambaNTPwdHistory_len;
- struct dom_sid *domain_sid;
- struct ldb_message **res;
- BOOL restrictions;
- int count;
- time_t now = time(NULL);
- NTTIME now_nt;
- int i;
-
- /* we need to know the time to compute password age */
- unix_to_nt_time(&now_nt, now);
-
- /* pull all the user parameters */
- count = gendb_search_dn(ctx, mem_ctx, user_dn, &res, user_attrs);
- if (count != 1) {
- return NT_STATUS_INTERNAL_DB_CORRUPTION;
- }
- userAccountControl = samdb_result_uint(res[0], "userAccountControl", 0);
- sambaLMPwdHistory_len = samdb_result_hashes(mem_ctx, res[0],
- "lmPwdHistory", &sambaLMPwdHistory);
- sambaNTPwdHistory_len = samdb_result_hashes(mem_ctx, res[0],
- "ntPwdHistory", &sambaNTPwdHistory);
- lmPwdHash = samdb_result_hash(mem_ctx, res[0], "dBCSPwd");
- ntPwdHash = samdb_result_hash(mem_ctx, res[0], "unicodePwd");
- pwdLastSet = samdb_result_uint64(res[0], "pwdLastSet", 0);
-
- /* Only non-trust accounts have restrictions (possibly this
- * test is the wrong way around, but I like to be restrictive
- * if possible */
- restrictions = !(userAccountControl & (UF_INTERDOMAIN_TRUST_ACCOUNT
- |UF_WORKSTATION_TRUST_ACCOUNT
- |UF_SERVER_TRUST_ACCOUNT));
-
- if (domain_dn) {
- /* pull the domain parameters */
- count = gendb_search_dn(ctx, mem_ctx, domain_dn, &res, domain_attrs);
- if (count != 1) {
- DEBUG(2, ("samdb_set_password: Domain DN %s is invalid, for user %s\n",
- ldb_dn_get_linearized(domain_dn),
- ldb_dn_get_linearized(user_dn)));
- return NT_STATUS_NO_SUCH_DOMAIN;
- }
- } else {
- /* work out the domain sid, and pull the domain from there */
- domain_sid = samdb_result_sid_prefix(mem_ctx, res[0], "objectSid");
- if (domain_sid == NULL) {
- return NT_STATUS_INTERNAL_DB_CORRUPTION;
- }
-
- count = gendb_search(ctx, mem_ctx, NULL, &res, domain_attrs,
- "(objectSid=%s)",
- ldap_encode_ndr_dom_sid(mem_ctx, domain_sid));
- if (count != 1) {
- DEBUG(2, ("samdb_set_password: Could not find domain to match SID: %s, for user %s\n",
- dom_sid_string(mem_ctx, domain_sid),
- ldb_dn_get_linearized(user_dn)));
- return NT_STATUS_NO_SUCH_DOMAIN;
- }
- }
-
- pwdProperties = samdb_result_uint(res[0], "pwdProperties", 0);
- pwdHistoryLength = samdb_result_uint(res[0], "pwdHistoryLength", 0);
- minPwdLength = samdb_result_uint(res[0], "minPwdLength", 0);
- minPwdAge = samdb_result_int64(res[0], "minPwdAge", 0);
-
- if (_dominfo) {
- struct samr_DomInfo1 *dominfo;
- /* on failure we need to fill in the reject reasons */
- dominfo = talloc(mem_ctx, struct samr_DomInfo1);
- if (dominfo == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
- dominfo->min_password_length = minPwdLength;
- dominfo->password_properties = pwdProperties;
- dominfo->password_history_length = pwdHistoryLength;
- dominfo->max_password_age = minPwdAge;
- dominfo->min_password_age = minPwdAge;
- *_dominfo = dominfo;
- }
-
- if (restrictions && new_pass) {
-
- /* check the various password restrictions */
- if (restrictions && minPwdLength > strlen_m(new_pass)) {
- if (reject_reason) {
- *reject_reason = SAMR_REJECT_TOO_SHORT;
- }
- return NT_STATUS_PASSWORD_RESTRICTION;
- }
-
- /* possibly check password complexity */
- if (restrictions && pwdProperties & DOMAIN_PASSWORD_COMPLEX &&
- !samdb_password_complexity_ok(new_pass)) {
- if (reject_reason) {
- *reject_reason = SAMR_REJECT_COMPLEXITY;
- }
- return NT_STATUS_PASSWORD_RESTRICTION;
- }
-
- /* compute the new nt and lm hashes */
- if (E_deshash(new_pass, local_lmNewHash.hash)) {
- lmNewHash = &local_lmNewHash;
- }
- if (!E_md4hash(new_pass, local_ntNewHash.hash)) {
- /* If we can't convert this password to UCS2, then we should not accept it */
- if (reject_reason) {
- *reject_reason = SAMR_REJECT_OTHER;
- }
- return NT_STATUS_PASSWORD_RESTRICTION;
- }
- ntNewHash = &local_ntNewHash;
- }
-
- if (user_change) {
- /* are all password changes disallowed? */
- if (pwdProperties & DOMAIN_REFUSE_PASSWORD_CHANGE) {
- if (reject_reason) {
- *reject_reason = SAMR_REJECT_OTHER;
- }
- return NT_STATUS_PASSWORD_RESTRICTION;
- }
-
- /* can this user change password? */
- if (userAccountControl & UF_PASSWD_CANT_CHANGE) {
- if (reject_reason) {
- *reject_reason = SAMR_REJECT_OTHER;
- }
- return NT_STATUS_PASSWORD_RESTRICTION;
- }
-
- /* yes, this is a minus. The ages are in negative 100nsec units! */
- if (pwdLastSet - minPwdAge > now_nt) {
- if (reject_reason) {
- *reject_reason = SAMR_REJECT_OTHER;
- }
- return NT_STATUS_PASSWORD_RESTRICTION;
- }
-
- /* check the immediately past password */
- if (pwdHistoryLength > 0) {
- if (lmNewHash && lmPwdHash && memcmp(lmNewHash->hash, lmPwdHash->hash, 16) == 0) {
- if (reject_reason) {
- *reject_reason = SAMR_REJECT_IN_HISTORY;
- }
- return NT_STATUS_PASSWORD_RESTRICTION;
- }
- if (ntNewHash && ntPwdHash && memcmp(ntNewHash->hash, ntPwdHash->hash, 16) == 0) {
- if (reject_reason) {
- *reject_reason = SAMR_REJECT_IN_HISTORY;
- }
- return NT_STATUS_PASSWORD_RESTRICTION;
- }
- }
-
- /* check the password history */
- sambaLMPwdHistory_len = MIN(sambaLMPwdHistory_len, pwdHistoryLength);
- sambaNTPwdHistory_len = MIN(sambaNTPwdHistory_len, pwdHistoryLength);
-
- for (i=0; lmNewHash && i<sambaLMPwdHistory_len;i++) {
- if (memcmp(lmNewHash->hash, sambaLMPwdHistory[i].hash, 16) == 0) {
- if (reject_reason) {
- *reject_reason = SAMR_REJECT_IN_HISTORY;
- }
- return NT_STATUS_PASSWORD_RESTRICTION;
- }
- }
- for (i=0; ntNewHash && i<sambaNTPwdHistory_len;i++) {
- if (memcmp(ntNewHash->hash, sambaNTPwdHistory[i].hash, 16) == 0) {
- if (reject_reason) {
- *reject_reason = SAMR_REJECT_IN_HISTORY;
- }
- return NT_STATUS_PASSWORD_RESTRICTION;
- }
- }
- }
-
-#define CHECK_RET(x) do { if (x != 0) return NT_STATUS_NO_MEMORY; } while(0)
-
- /* the password is acceptable. Start forming the new fields */
- if (new_pass) {
- /* if we know the cleartext, then only set it.
- * Modules in ldb will set all the appropriate
- * hashes */
- CHECK_RET(samdb_msg_add_string(ctx, mem_ctx, mod,
- "sambaPassword", new_pass));
- } else {
- /* We don't have the cleartext, so delete the old one
- * and set what we have of the hashes */
- CHECK_RET(samdb_msg_add_delete(ctx, mem_ctx, mod, "sambaPassword"));
-
- if (lmNewHash) {
- CHECK_RET(samdb_msg_add_hash(ctx, mem_ctx, mod, "dBCSPwd", lmNewHash));
- } else {
- CHECK_RET(samdb_msg_add_delete(ctx, mem_ctx, mod, "dBCSPwd"));
- }
-
- if (ntNewHash) {
- CHECK_RET(samdb_msg_add_hash(ctx, mem_ctx, mod, "unicodePwd", ntNewHash));
- } else {
- CHECK_RET(samdb_msg_add_delete(ctx, mem_ctx, mod, "unicodePwd"));
- }
+ struct ldb_context *ldb;
+ ldb = ldb_wrap_connect(mem_ctx, ev_ctx, lp_ctx,
+ lp_sam_url(lp_ctx), session_info,
+ samdb_credentials(ev_ctx, lp_ctx),
+ 0);
+ if (!ldb) {
+ return NULL;
}
-
- return NT_STATUS_OK;
+ return ldb;
}
-/*
- set the user password using plaintext, obeying any user or domain
- password restrictions
-
- This wrapper function takes a SID as input, rather than a user DN,
- and actually performs the password change
-
-*/
-_PUBLIC_ NTSTATUS samdb_set_password_sid(struct ldb_context *ctx, TALLOC_CTX *mem_ctx,
- const struct dom_sid *user_sid,
- const char *new_pass,
- struct samr_Password *lmNewHash,
- struct samr_Password *ntNewHash,
- BOOL user_change,
- enum samr_RejectReason *reject_reason,
- struct samr_DomInfo1 **_dominfo)
-{
- NTSTATUS nt_status;
- struct ldb_dn *user_dn;
- struct ldb_message *msg;
- int ret;
-
- ret = ldb_transaction_start(ctx);
- if (ret) {
- DEBUG(1, ("Failed to start transaction: %s\n", ldb_errstring(ctx)));
- return NT_STATUS_TRANSACTION_ABORTED;
- }
-
- user_dn = samdb_search_dn(ctx, mem_ctx, NULL,
- "(&(objectSid=%s)(objectClass=user))",
- ldap_encode_ndr_dom_sid(mem_ctx, user_sid));
- if (!user_dn) {
- ldb_transaction_cancel(ctx);
- DEBUG(3, ("samdb_set_password_sid: SID %s not found in samdb, returning NO_SUCH_USER\n",
- dom_sid_string(mem_ctx, user_sid)));
- return NT_STATUS_NO_SUCH_USER;
- }
-
- msg = ldb_msg_new(mem_ctx);
- if (msg == NULL) {
- ldb_transaction_cancel(ctx);
- return NT_STATUS_NO_MEMORY;
- }
-
- msg->dn = ldb_dn_copy(msg, user_dn);
- if (!msg->dn) {
- ldb_transaction_cancel(ctx);
- return NT_STATUS_NO_MEMORY;
- }
-
- nt_status = samdb_set_password(ctx, mem_ctx,
- user_dn, NULL,
- msg, new_pass,
- lmNewHash, ntNewHash,
- user_change, /* This is a password set, not change */
- reject_reason, _dominfo);
- if (!NT_STATUS_IS_OK(nt_status)) {
- ldb_transaction_cancel(ctx);
- return nt_status;
- }
-
- /* modify the samdb record */
- ret = samdb_replace(ctx, mem_ctx, msg);
- if (ret != 0) {
- ldb_transaction_cancel(ctx);
- return NT_STATUS_ACCESS_DENIED;
- }
-
- ret = ldb_transaction_commit(ctx);
- if (ret != 0) {
- DEBUG(0,("Failed to commit transaction to change password on %s: %s\n",
- ldb_dn_get_linearized(msg->dn),
- ldb_errstring(ctx)));
- return NT_STATUS_TRANSACTION_ABORTED;
- }
- return NT_STATUS_OK;
-}
-
/****************************************************************************
Create the SID list for this user.
****************************************************************************/
NTSTATUS security_token_create(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev_ctx,
+ struct loadparm_context *lp_ctx,
struct dom_sid *user_sid,
struct dom_sid *group_sid,
int n_groupSIDs,
struct dom_sid **groupSIDs,
- BOOL is_authenticated,
+ bool is_authenticated,
struct security_token **token)
{
struct security_token *ptoken;
}
/* setup the privilege mask for this token */
- status = samdb_privilege_setup(ptoken);
+ status = samdb_privilege_setup(ev_ctx, lp_ctx, ptoken);
if (!NT_STATUS_IS_OK(status)) {
talloc_free(ptoken);
return status;
return NT_STATUS_OK;
}
-
-
-NTSTATUS samdb_create_foreign_security_principal(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
- struct dom_sid *sid, struct ldb_dn **ret_dn)
-{
- struct ldb_message *msg;
- struct ldb_dn *basedn;
- const char *sidstr;
- int ret;
-
- sidstr = dom_sid_string(mem_ctx, sid);
- NT_STATUS_HAVE_NO_MEMORY(sidstr);
-
- /* We might have to create a ForeignSecurityPrincipal, even if this user
- * is in our own domain */
-
- msg = ldb_msg_new(mem_ctx);
- if (msg == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
-
- /* TODO: Hmmm. This feels wrong. How do I find the base dn to
- * put the ForeignSecurityPrincipals? d_state->domain_dn does
- * not work, this is wrong for the Builtin domain, there's no
- * cn=For...,cn=Builtin,dc={BASEDN}. -- vl
- */
-
- basedn = samdb_search_dn(sam_ctx, mem_ctx, NULL,
- "(&(objectClass=container)(cn=ForeignSecurityPrincipals))");
-
- if (basedn == NULL) {
- DEBUG(0, ("Failed to find DN for "
- "ForeignSecurityPrincipal container\n"));
- return NT_STATUS_INTERNAL_DB_CORRUPTION;
- }
-
- /* add core elements to the ldb_message for the alias */
- msg->dn = ldb_dn_copy(mem_ctx, basedn);
- if ( ! ldb_dn_add_child_fmt(msg->dn, "CN=%s", sidstr))
- return NT_STATUS_NO_MEMORY;
-
- samdb_msg_add_string(sam_ctx, mem_ctx, msg,
- "objectClass",
- "foreignSecurityPrincipal");
-
- /* create the alias */
- ret = samdb_add(sam_ctx, mem_ctx, msg);
- if (ret != 0) {
- DEBUG(0,("Failed to create foreignSecurityPrincipal "
- "record %s: %s\n",
- ldb_dn_get_linearized(msg->dn),
- ldb_errstring(sam_ctx)));
- return NT_STATUS_INTERNAL_DB_CORRUPTION;
- }
- *ret_dn = msg->dn;
- return NT_STATUS_OK;
-}
-
-
-/*
- Find the DN of a domain, assuming it to be a dotted.dns name
-*/
-
-struct ldb_dn *samdb_dns_domain_to_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const char *dns_domain)
-{
- int i;
- TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
- const char *binary_encoded;
- const char **split_realm;
- struct ldb_dn *dn;
-
- if (!tmp_ctx) {
- return NULL;
- }
-
- split_realm = str_list_make(tmp_ctx, dns_domain, ".");
- if (!split_realm) {
- talloc_free(tmp_ctx);
- return NULL;
- }
- dn = ldb_dn_new(mem_ctx, ldb, NULL);
- for (i=0; split_realm[i]; i++) {
- binary_encoded = ldb_binary_encode_string(tmp_ctx, split_realm[i]);
- if (!ldb_dn_add_base_fmt(dn, "dc=%s", binary_encoded)) {
- DEBUG(2, ("Failed to add dc=%s element to DN %s\n",
- binary_encoded, ldb_dn_get_linearized(dn)));
- talloc_free(tmp_ctx);
- return NULL;
- }
- }
- if (!ldb_dn_validate(dn)) {
- DEBUG(2, ("Failed to validated DN %s\n",
- ldb_dn_get_linearized(dn)));
- return NULL;
- }
- return dn;
-}
-/*
- Find the DN of a domain, be it the netbios or DNS name
-*/
-
-struct ldb_dn *samdb_domain_to_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
- const char *domain_name)
-{
- const char * const domain_ref_attrs[] = {
- "ncName", NULL
- };
- const char * const domain_ref2_attrs[] = {
- NULL
- };
- struct ldb_result *res_domain_ref;
- char *escaped_domain = ldb_binary_encode_string(mem_ctx, domain_name);
- /* find the domain's DN */
- int ret_domain = ldb_search_exp_fmt(ldb, mem_ctx,
- &res_domain_ref,
- samdb_partitions_dn(ldb, mem_ctx),
- LDB_SCOPE_ONELEVEL,
- domain_ref_attrs,
- "(&(nETBIOSName=%s)(objectclass=crossRef))",
- escaped_domain);
- if (ret_domain != 0) {
- return NULL;
- }
-
- if (res_domain_ref->count == 0) {
- ret_domain = ldb_search_exp_fmt(ldb, mem_ctx,
- &res_domain_ref,
- samdb_dns_domain_to_dn(ldb, mem_ctx, domain_name),
- LDB_SCOPE_BASE,
- domain_ref2_attrs,
- "(objectclass=domain)");
- if (ret_domain != 0) {
- return NULL;
- }
-
- if (res_domain_ref->count == 1) {
- return res_domain_ref->msgs[0]->dn;
- }
- return NULL;
- }
-
- if (res_domain_ref->count > 1) {
- DEBUG(0,("Found %d records matching domain [%s]\n",
- ret_domain, domain_name));
- return NULL;
- }
-
- return samdb_result_dn(ldb, mem_ctx, res_domain_ref->msgs[0], "nCName", NULL);
-
-}
git.samba.org / ira / wip.git / blobdiff