/*
ldb database module
- Copyright (C) Simo Sorce 2004
- Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
+ Copyright (C) Simo Sorce 2004-2006
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005-2006
Copyright (C) Andrew Tridgell 2004
+ Copyright (C) Stefan Metzmacher 2007
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
* Description: correctly update hash values based on changes to sambaPassword and friends
*
* Author: Andrew Bartlett
+ * Author: Stefan Metzmacher
*/
#include "includes.h"
#include "auth/kerberos/kerberos.h"
#include "system/time.h"
#include "dsdb/samdb/samdb.h"
-#include "ads.h"
+#include "dsdb/common/flags.h"
#include "hdb.h"
+#include "dsdb/samdb/ldb_modules/password_modules.h"
+#include "librpc/ndr/libndr.h"
+#include "librpc/gen_ndr/ndr_drsblobs.h"
+#include "lib/crypto/crypto.h"
/* If we have decided there is reason to work on this request, then
* setup all the password hash types correctly.
* Once this is done (which could update anything at all), we
* calculate the password hashes.
*
- * This function must not only update the ntPwdHash, lmPwdHash and
- * krb5Key fields, it must also atomicly increment the
+ * This function must not only update the unicodePwd, dBCSPwd and
+ * supplementalCredentials fields, it must also atomicly increment the
* msDS-KeyVersionNumber. We should be in a transaction, so all this
* should be quite safe...
*
*
*/
+struct ph_context {
+
+ enum ph_type {PH_ADD, PH_MOD} type;
+ enum ph_step {PH_ADD_SEARCH_DOM, PH_ADD_DO_ADD, PH_MOD_DO_REQ, PH_MOD_SEARCH_SELF, PH_MOD_SEARCH_DOM, PH_MOD_DO_MOD} step;
+
+ struct ldb_module *module;
+ struct ldb_request *orig_req;
+
+ struct ldb_request *dom_req;
+ struct ldb_reply *dom_res;
+
+ struct ldb_request *down_req;
+
+ struct ldb_request *search_req;
+ struct ldb_reply *search_res;
+
+ struct ldb_request *mod_req;
-static int password_hash_handle(struct ldb_module *module, struct ldb_request *req,
- const struct ldb_message *msg)
-{
- int ret, old_ret = -1;
- uint_t pwdProperties, pwdHistoryLength;
- uint_t userAccountControl;
- const char *dnsDomain, *realm;
- const char *sambaPassword = NULL;
- struct samr_Password *sambaLMPwdHistory, *sambaNTPwdHistory;
- struct samr_Password *lmPwdHash, *ntPwdHash;
- struct samr_Password *lmOldHash = NULL, *ntOldHash = NULL;
- struct samr_Password *new_sambaLMPwdHistory, *new_sambaNTPwdHistory;
- struct samr_Password local_lmNewHash, local_ntNewHash;
- int sambaLMPwdHistory_len, sambaNTPwdHistory_len;
- uint_t kvno;
struct dom_sid *domain_sid;
- time_t now = time(NULL);
- NTTIME now_nt;
- int i;
- krb5_error_code krb5_ret;
+};
+
+struct domain_data {
+ BOOL store_cleartext;
+ uint_t pwdProperties;
+ uint_t pwdHistoryLength;
+ char *netbios_domain;
+ char *dns_domain;
+ char *realm;
+};
+struct setup_password_fields_io {
+ struct ph_context *ac;
+ struct domain_data *domain;
struct smb_krb5_context *smb_krb5_context;
- struct ldb_message_element *attribute;
- struct ldb_dn *dn = msg->dn;
- struct ldb_message *msg2;
-
- struct ldb_request *search_request = NULL;
- struct ldb_request *modify_request;
- struct ldb_request *modified_orig_request;
- struct ldb_result *res, *dom_res, *old_res;
-
- struct ldb_message_element *objectclasses;
- struct ldb_val computer_val;
- struct ldb_val person_val;
- BOOL is_computer;
-
- struct ldb_message *modify_msg;
-
- const char *domain_expression;
- const char *old_user_attrs[] = { "lmPwdHash", "ntPwdHash", NULL };
- const char *user_attrs[] = { "userAccountControl", "sambaLMPwdHistory",
- "sambaNTPwdHistory",
- "ntPwdHash",
- "objectSid", "msDS-KeyVersionNumber",
- "objectClass", "userPrincipalName",
- "samAccountName",
- NULL };
- const char * const domain_attrs[] = { "pwdProperties", "pwdHistoryLength",
- "dnsDomain", NULL };
-
- TALLOC_CTX *mem_ctx;
-
- /* Do the original action */
-
- /* If no part of this touches the sambaPassword, then we don't
- * need to make any changes. For password changes/set there should
- * be a 'delete' or a 'modify' on this attribute. */
- if ((attribute = ldb_msg_find_element(msg, "sambaPassword")) == NULL ) {
- return ldb_next_request(module, req);
+ /* infos about the user account */
+ struct {
+ uint32_t user_account_control;
+ const char *sAMAccountName;
+ const char *user_principal_name;
+ bool is_computer;
+ } u;
+
+ /* new credentials */
+ struct {
+ const char *cleartext;
+ struct samr_Password *nt_hash;
+ struct samr_Password *lm_hash;
+ } n;
+
+ /* old credentials */
+ struct {
+ uint32_t nt_history_len;
+ struct samr_Password *nt_history;
+ uint32_t lm_history_len;
+ struct samr_Password *lm_history;
+ const struct ldb_val *supplemental;
+ struct supplementalCredentialsBlob scb;
+ uint32_t kvno;
+ } o;
+
+ /* generated credentials */
+ struct {
+ struct samr_Password *nt_hash;
+ struct samr_Password *lm_hash;
+ uint32_t nt_history_len;
+ struct samr_Password *nt_history;
+ uint32_t lm_history_len;
+ struct samr_Password *lm_history;
+ struct ldb_val supplemental;
+ NTTIME last_set;
+ uint32_t kvno;
+ } g;
+};
+
+static int setup_nt_fields(struct setup_password_fields_io *io)
+{
+ uint32_t i;
+
+ io->g.nt_hash = io->n.nt_hash;
+
+ if (io->domain->pwdHistoryLength == 0) {
+ return LDB_SUCCESS;
+ }
+
+ /* We might not have an old NT password */
+ io->g.nt_history = talloc_array(io->ac,
+ struct samr_Password,
+ io->domain->pwdHistoryLength);
+ if (!io->g.nt_history) {
+ ldb_oom(io->ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ for (i = 0; i < MIN(io->domain->pwdHistoryLength-1, io->o.nt_history_len); i++) {
+ io->g.nt_history[i+1] = io->o.nt_history[i];
+ }
+ io->g.nt_history_len = i + 1;
+
+ if (io->g.nt_hash) {
+ io->g.nt_history[0] = *io->g.nt_hash;
+ } else {
+ /*
+ * TODO: is this correct?
+ * the simular behavior is correct for the lm history case
+ */
+ E_md4hash("", io->g.nt_history[0].hash);
+ }
+
+ return LDB_SUCCESS;
+}
+
+static int setup_lm_fields(struct setup_password_fields_io *io)
+{
+ uint32_t i;
+
+ io->g.lm_hash = io->n.lm_hash;
+
+ if (io->domain->pwdHistoryLength == 0) {
+ return LDB_SUCCESS;
}
- mem_ctx = talloc_new(module);
- if (!mem_ctx) {
+ /* We might not have an old NT password */
+ io->g.lm_history = talloc_array(io->ac,
+ struct samr_Password,
+ io->domain->pwdHistoryLength);
+ if (!io->g.lm_history) {
+ ldb_oom(io->ac->module->ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
- if (req->operation == LDB_REQ_MODIFY) {
- search_request = talloc(mem_ctx, struct ldb_request);
- if (!search_request) {
- talloc_free(mem_ctx);
+ for (i = 0; i < MIN(io->domain->pwdHistoryLength-1, io->o.lm_history_len); i++) {
+ io->g.lm_history[i+1] = io->o.lm_history[i];
+ }
+ io->g.lm_history_len = i + 1;
+
+ if (io->g.lm_hash) {
+ io->g.lm_history[0] = *io->g.lm_hash;
+ } else {
+ E_deshash("", io->g.lm_history[0].hash);
+ }
+
+ return LDB_SUCCESS;
+}
+
+static int setup_primary_kerberos(struct setup_password_fields_io *io,
+ const struct supplementalCredentialsBlob *old_scb,
+ struct package_PrimaryKerberosBlob *pkb)
+{
+ krb5_error_code krb5_ret;
+ Principal *salt_principal;
+ krb5_salt salt;
+ krb5_keyblock key;
+ uint32_t k=0;
+ struct package_PrimaryKerberosCtr3 *pkb3 = &pkb->ctr.ctr3;
+ struct supplementalCredentialsPackage *old_scp = NULL;
+ struct package_PrimaryKerberosBlob _old_pkb;
+ struct package_PrimaryKerberosCtr3 *old_pkb3 = NULL;
+ uint32_t i;
+ NTSTATUS status;
+
+ /* Many, many thanks to lukeh@padl.com for this
+ * algorithm, described in his Nov 10 2004 mail to
+ * samba-technical@samba.org */
+
+ /*
+ * Determine a salting principal
+ */
+ if (io->u.is_computer) {
+ char *name;
+ char *saltbody;
+
+ name = talloc_strdup(io->ac, io->u.sAMAccountName);
+ if (!name) {
+ ldb_oom(io->ac->module->ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
- /* Look up the old ntPwdHash and lmPwdHash values, so
- * we can later place these into the password
- * history */
+ if (name[strlen(name)-1] == '$') {
+ name[strlen(name)-1] = '\0';
+ }
- search_request->operation = LDB_REQ_SEARCH;
- search_request->op.search.base = dn;
- search_request->op.search.scope = LDB_SCOPE_BASE;
- search_request->op.search.tree = ldb_parse_tree(module->ldb, NULL);
- search_request->op.search.attrs = old_user_attrs;
- search_request->controls = NULL;
+ saltbody = talloc_asprintf(io->ac, "%s.%s", name, io->domain->dns_domain);
+ if (!saltbody) {
+ ldb_oom(io->ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
- old_ret = ldb_next_request(module, search_request);
+ krb5_ret = krb5_make_principal(io->smb_krb5_context->krb5_context,
+ &salt_principal,
+ io->domain->realm, "host",
+ saltbody, NULL);
+ } else if (io->u.user_principal_name) {
+ char *user_principal_name;
+ char *p;
+
+ user_principal_name = talloc_strdup(io->ac, io->u.user_principal_name);
+ if (!user_principal_name) {
+ ldb_oom(io->ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ p = strchr(user_principal_name, '@');
+ if (p) {
+ p[0] = '\0';
+ }
+
+ krb5_ret = krb5_make_principal(io->smb_krb5_context->krb5_context,
+ &salt_principal,
+ io->domain->realm, user_principal_name,
+ NULL);
+ } else {
+ krb5_ret = krb5_make_principal(io->smb_krb5_context->krb5_context,
+ &salt_principal,
+ io->domain->realm, io->u.sAMAccountName,
+ NULL);
+ }
+ if (krb5_ret) {
+ ldb_asprintf_errstring(io->ac->module->ldb,
+ "setup_primary_kerberos: "
+ "generation of a salting principal failed: %s",
+ smb_get_krb5_error_message(io->smb_krb5_context->krb5_context, krb5_ret, io->ac));
+ return LDB_ERR_OPERATIONS_ERROR;
}
- /* we can't change things untill we copy it */
- msg2 = ldb_msg_copy_shallow(mem_ctx, msg);
+ /*
+ * create salt from salt_principal
+ */
+ krb5_ret = krb5_get_pw_salt(io->smb_krb5_context->krb5_context,
+ salt_principal, &salt);
+ krb5_free_principal(io->smb_krb5_context->krb5_context, salt_principal);
+ if (krb5_ret) {
+ ldb_asprintf_errstring(io->ac->module->ldb,
+ "setup_primary_kerberos: "
+ "generation of krb5_salt failed: %s",
+ smb_get_krb5_error_message(io->smb_krb5_context->krb5_context, krb5_ret, io->ac));
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ /* create a talloc copy */
+ pkb3->salt.string = talloc_strndup(io->ac,
+ salt.saltvalue.data,
+ salt.saltvalue.length);
+ krb5_free_salt(io->smb_krb5_context->krb5_context, salt);
+ if (!pkb3->salt.string) {
+ ldb_oom(io->ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ salt.saltvalue.data = discard_const(pkb3->salt.string);
+ salt.saltvalue.length = strlen(pkb3->salt.string);
- /* look again, this time at the copied attribute */
- if (!msg2 || (attribute = ldb_msg_find_element(msg2, "sambaPassword")) == NULL ) {
- talloc_free(mem_ctx);
- /* Gah? where did it go? Oh well... */
+ /*
+ * prepare generation of keys
+ *
+ * ENCTYPE_AES256_CTS_HMAC_SHA1_96 (disabled by default)
+ * ENCTYPE_DES_CBC_MD5
+ * ENCTYPE_DES_CBC_CRC
+ *
+ * NOTE: update num_keys when you add another enctype!
+ */
+ pkb3->num_keys = 3;
+ pkb3->keys = talloc_array(io->ac, struct package_PrimaryKerberosKey, pkb3->num_keys);
+ if (!pkb3->keys) {
+ ldb_oom(io->ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ pkb3->unknown3 = talloc_zero_array(io->ac, uint64_t, pkb3->num_keys);
+ if (!pkb3->unknown3) {
+ ldb_oom(io->ac->module->ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
- /* Wipe out the sambaPassword attribute set, we will handle it in
- * the second modify. We might not want it written to disk */
-
- if (req->operation == LDB_REQ_ADD) {
- if (attribute->num_values > 1) {
- ldb_set_errstring(module->ldb,
- talloc_asprintf(mem_ctx, "sambaPassword_handle: "
- "attempted set of multiple sambaPassword attributes on %s rejected",
- ldb_dn_linearize(mem_ctx, dn)));
- talloc_free(mem_ctx);
- return LDB_ERR_CONSTRAINT_VIOLATION;
- }
-
- if (attribute->num_values == 1) {
- sambaPassword = (const char *)attribute->values[0].data;
- ldb_msg_remove_attr(msg2, "sambaPassword");
- }
- } else if (((attribute->flags & LDB_FLAG_MOD_MASK) == LDB_FLAG_MOD_ADD)
- || ((attribute->flags & LDB_FLAG_MOD_MASK) == LDB_FLAG_MOD_REPLACE)) {
- if (attribute->num_values > 1) {
- ldb_set_errstring(module->ldb,
- talloc_asprintf(mem_ctx, "sambaPassword_handle: "
- "attempted set of multiple sambaPassword attributes on %s rejected",
- ldb_dn_linearize(mem_ctx, dn)));
- talloc_free(mem_ctx);
- return LDB_ERR_CONSTRAINT_VIOLATION;
- }
-
- if (attribute->num_values == 1) {
- sambaPassword = (const char *)attribute->values[0].data;
- ldb_msg_remove_attr(msg2, "sambaPassword");
- }
+if (lp_parm_bool(-1, "password_hash", "create_aes_key", false)) {
+/*
+ * TODO:
+ *
+ * w2k and w2k3 doesn't support AES, so we'll not include
+ * the AES key here yet.
+ *
+ * Also we don't have an example supplementalCredentials blob
+ * from Windows Longhorn Server with AES support
+ *
+ */
+ /*
+ * create ENCTYPE_AES256_CTS_HMAC_SHA1_96 key out of
+ * the salt and the cleartext password
+ */
+ krb5_ret = krb5_string_to_key_salt(io->smb_krb5_context->krb5_context,
+ ENCTYPE_AES256_CTS_HMAC_SHA1_96,
+ io->n.cleartext,
+ salt,
+ &key);
+ pkb3->keys[k].keytype = ENCTYPE_AES256_CTS_HMAC_SHA1_96;
+ pkb3->keys[k].value = talloc(pkb3->keys, DATA_BLOB);
+ if (!pkb3->keys[k].value) {
+ krb5_free_keyblock_contents(io->smb_krb5_context->krb5_context, &key);
+ ldb_oom(io->ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ *pkb3->keys[k].value = data_blob_talloc(pkb3->keys[k].value,
+ key.keyvalue.data,
+ key.keyvalue.length);
+ krb5_free_keyblock_contents(io->smb_krb5_context->krb5_context, &key);
+ if (!pkb3->keys[k].value->data) {
+ ldb_oom(io->ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
}
+ k++;
+}
- modified_orig_request = talloc(mem_ctx, struct ldb_request);
- if (!modified_orig_request) {
- talloc_free(mem_ctx);
+ /*
+ * create ENCTYPE_DES_CBC_MD5 key out of
+ * the salt and the cleartext password
+ */
+ krb5_ret = krb5_string_to_key_salt(io->smb_krb5_context->krb5_context,
+ ENCTYPE_DES_CBC_MD5,
+ io->n.cleartext,
+ salt,
+ &key);
+ pkb3->keys[k].keytype = ENCTYPE_DES_CBC_MD5;
+ pkb3->keys[k].value = talloc(pkb3->keys, DATA_BLOB);
+ if (!pkb3->keys[k].value) {
+ krb5_free_keyblock_contents(io->smb_krb5_context->krb5_context, &key);
+ ldb_oom(io->ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ *pkb3->keys[k].value = data_blob_talloc(pkb3->keys[k].value,
+ key.keyvalue.data,
+ key.keyvalue.length);
+ krb5_free_keyblock_contents(io->smb_krb5_context->krb5_context, &key);
+ if (!pkb3->keys[k].value->data) {
+ ldb_oom(io->ac->module->ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
+ k++;
- *modified_orig_request = *req;
- switch (modified_orig_request->operation) {
- case LDB_REQ_ADD:
- modified_orig_request->op.add.message = msg2;
- break;
- case LDB_REQ_MODIFY:
- modified_orig_request->op.mod.message = msg2;
- break;
+ /*
+ * create ENCTYPE_DES_CBC_CRC key out of
+ * the salt and the cleartext password
+ */
+ krb5_ret = krb5_string_to_key_salt(io->smb_krb5_context->krb5_context,
+ ENCTYPE_DES_CBC_CRC,
+ io->n.cleartext,
+ salt,
+ &key);
+ pkb3->keys[k].keytype = ENCTYPE_DES_CBC_CRC;
+ pkb3->keys[k].value = talloc(pkb3->keys, DATA_BLOB);
+ if (!pkb3->keys[k].value) {
+ krb5_free_keyblock_contents(io->smb_krb5_context->krb5_context, &key);
+ ldb_oom(io->ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ *pkb3->keys[k].value = data_blob_talloc(pkb3->keys[k].value,
+ key.keyvalue.data,
+ key.keyvalue.length);
+ krb5_free_keyblock_contents(io->smb_krb5_context->krb5_context, &key);
+ if (!pkb3->keys[k].value->data) {
+ ldb_oom(io->ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
}
+ k++;
- /* Send the (modified) request of the original caller down to the database */
- ret = ldb_next_request(module, modified_orig_request);
- if (ret) {
- talloc_free(mem_ctx);
- return ret;
+ /* fix up key number */
+ pkb3->num_keys = k;
+
+ /* initialize the old keys to zero */
+ pkb3->num_old_keys = 0;
+ pkb3->old_keys = NULL;
+ pkb3->unknown3_old = NULL;
+
+ /* if there're no old keys, then we're done */
+ if (!old_scb) {
+ return LDB_SUCCESS;
}
- /* While we do the search first (for the old password hashes),
- * we don't want to override any error that the modify may
- * have returned. Now check the error */
- if (req->operation == LDB_REQ_MODIFY) {
- if (old_ret) {
- talloc_free(mem_ctx);
- return old_ret;
+ for (i=0; i < old_scb->sub.num_packages; i++) {
+ if (old_scb->sub.packages[i].unknown1 != 0x00000001) {
+ continue;
}
- /* Find out the old passwords details of the user */
- old_res = search_request->op.search.res;
- talloc_steal(mem_ctx, old_res);
- talloc_free(search_request);
-
- if (old_res->count != 1) {
- ldb_set_errstring(module->ldb,
- talloc_asprintf(mem_ctx, "password_hash_handle: "
- "(pre) search for %s found %d != 1 objects, for entry we just modified",
- ldb_dn_linearize(mem_ctx, dn),
- old_res->count));
- /* What happend? The above add/modify worked... */
- talloc_free(mem_ctx);
- return LDB_ERR_NO_SUCH_OBJECT;
+ if (strcmp("Primary:Kerberos", old_scb->sub.packages[i].name) != 0) {
+ continue;
}
- lmOldHash = samdb_result_hash(mem_ctx, old_res->msgs[0], "lmPwdHash");
- ntOldHash = samdb_result_hash(mem_ctx, old_res->msgs[0], "ntPwdHash");
+ if (!old_scb->sub.packages[i].data || !old_scb->sub.packages[i].data[0]) {
+ continue;
+ }
+
+ old_scp = &old_scb->sub.packages[i];
+ break;
}
+ /* Primary:Kerberos element of supplementalCredentials */
+ if (old_scp) {
+ DATA_BLOB blob;
- /* Start finding out details we need for the second modify.
- * We do this after the first add/modify because other modules
- * will have filled in the templates, and we may have had
- * things like the username (affecting the salt) changed along
- * with the password. */
+ blob = strhex_to_data_blob(old_scp->data);
+ if (!blob.data) {
+ ldb_oom(io->ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ talloc_steal(io->ac, blob.data);
+
+ /* TODO: use ndr_pull_struct_blob_all(), when the ndr layer handles it correct with relative pointers */
+ status = ndr_pull_struct_blob(&blob, io->ac, &_old_pkb,
+ (ndr_pull_flags_fn_t)ndr_pull_package_PrimaryKerberosBlob);
+ if (!NT_STATUS_IS_OK(status)) {
+ ldb_asprintf_errstring(io->ac->module->ldb,
+ "setup_primary_kerberos: "
+ "failed to pull old package_PrimaryKerberosBlob: %s",
+ nt_errstr(status));
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
- /* Now find out what is on the entry after the above add/modify */
- search_request = talloc(mem_ctx, struct ldb_request);
- if (!search_request) {
- talloc_free(mem_ctx);
- return LDB_ERR_OPERATIONS_ERROR;
- }
+ if (_old_pkb.version != 3) {
+ ldb_asprintf_errstring(io->ac->module->ldb,
+ "setup_primary_kerberos: "
+ "package_PrimaryKerberosBlob version[%u] expected[3]",
+ _old_pkb.version);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
- search_request->operation = LDB_REQ_SEARCH;
- search_request->op.search.base = dn;
- search_request->op.search.scope = LDB_SCOPE_BASE;
- search_request->op.search.tree = ldb_parse_tree(module->ldb, NULL);
- search_request->op.search.attrs = user_attrs;
- search_request->controls = NULL;
-
- ret = ldb_next_request(module, search_request);
- if (ret) {
- talloc_free(mem_ctx);
- return ret;
+ old_pkb3 = &_old_pkb.ctr.ctr3;
}
- /* Find out the full details of the user */
- res = search_request->op.search.res;
- talloc_steal(mem_ctx, res);
- talloc_free(search_request);
-
- if (res->count != 1) {
- ldb_set_errstring(module->ldb,
- talloc_asprintf(mem_ctx, "password_hash_handle: "
- "search for %s found %d != 1 objects, for entry we just added/modified",
- ldb_dn_linearize(mem_ctx, dn),
- res->count));
- /* What happend? The above add/modify worked... */
- talloc_free(mem_ctx);
- return LDB_ERR_NO_SUCH_OBJECT;
+ /* if we didn't found the old keys we're done */
+ if (!old_pkb3) {
+ return LDB_SUCCESS;
}
- userAccountControl = samdb_result_uint(res->msgs[0], "userAccountControl", 0);
- sambaLMPwdHistory_len = samdb_result_hashes(mem_ctx, res->msgs[0],
- "sambaLMPwdHistory", &sambaLMPwdHistory);
- sambaNTPwdHistory_len = samdb_result_hashes(mem_ctx, res->msgs[0],
- "sambaNTPwdHistory", &sambaNTPwdHistory);
- ntPwdHash = samdb_result_hash(mem_ctx, res->msgs[0], "ntPwdHash");
- kvno = samdb_result_uint(res->msgs[0], "msDS-KeyVersionNumber", 0);
+ /* fill in the old keys */
+ pkb3->num_old_keys = old_pkb3->num_keys;
+ pkb3->old_keys = old_pkb3->keys;
+ pkb3->unknown3_old = old_pkb3->unknown3;
- domain_sid = samdb_result_sid_prefix(mem_ctx, res->msgs[0], "objectSid");
+ return LDB_SUCCESS;
+}
-
- objectclasses = ldb_msg_find_element(res->msgs[0], "objectClass");
- person_val = data_blob_string_const("person");
-
- if (!objectclasses || !ldb_msg_find_val(objectclasses, &person_val)) {
- /* Not a 'person', so the rest of this doesn't make
- * sense. How we got a sambaPassword this far I don't
- * know... */
- ldb_set_errstring(module->ldb,
- talloc_asprintf(mem_ctx, "password_hash_handle: "
- "attempted set of sambaPassword on non-'person' object %s rejected",
- ldb_dn_linearize(mem_ctx, dn)));
- talloc_free(mem_ctx);
- return LDB_ERR_CONSTRAINT_VIOLATION;
+static int setup_primary_wdigest(struct setup_password_fields_io *io,
+ const struct supplementalCredentialsBlob *old_scb,
+ struct package_PrimaryWDigestBlob *pdb)
+{
+ DATA_BLOB sAMAccountName;
+ DATA_BLOB sAMAccountName_l;
+ DATA_BLOB sAMAccountName_u;
+ const char *user_principal_name = io->u.user_principal_name;
+ DATA_BLOB userPrincipalName;
+ DATA_BLOB userPrincipalName_l;
+ DATA_BLOB userPrincipalName_u;
+ DATA_BLOB netbios_domain;
+ DATA_BLOB netbios_domain_l;
+ DATA_BLOB netbios_domain_u;
+ DATA_BLOB dns_domain;
+ DATA_BLOB dns_domain_l;
+ DATA_BLOB dns_domain_u;
+ DATA_BLOB cleartext;
+ DATA_BLOB digest;
+ DATA_BLOB delim;
+ DATA_BLOB backslash;
+ uint8_t i;
+ struct {
+ DATA_BLOB *user;
+ DATA_BLOB *realm;
+ DATA_BLOB *nt4dom;
+ } wdigest[] = {
+ /*
+ * See
+ * http://technet2.microsoft.com/WindowsServer/en/library/717b450c-f4a0-4cc9-86f4-cc0633aae5f91033.mspx?mfr=true
+ * for what precalculated hashes are supposed to be stored...
+ *
+ * I can't reproduce all values which should contain "Digest" as realm,
+ * am I doing something wrong or is w2k3 just broken...?
+ *
+ * W2K3 fills in following for a user:
+ *
+ * dn: CN=NewUser,OU=newtop,DC=sub1,DC=w2k3,DC=vmnet1,DC=vm,DC=base
+ * sAMAccountName: NewUser2Sam
+ * userPrincipalName: NewUser2Princ@sub1.w2k3.vmnet1.vm.base
+ *
+ * 4279815024bda54fc074a5f8bd0a6e6f => NewUser2Sam:SUB1:TestPwd2007
+ * b7ec9da91062199aee7d121e6710fe23 => newuser2sam:sub1:TestPwd2007
+ * 17d290bc5c9f463fac54c37a8cea134d => NEWUSER2SAM:SUB1:TestPwd2007
+ * 4279815024bda54fc074a5f8bd0a6e6f => NewUser2Sam:SUB1:TestPwd2007
+ * 5d57e7823938348127322e08cd81bcb5 => NewUser2Sam:sub1:TestPwd2007
+ * 07dd701bf8a011ece585de3d47237140 => NEWUSER2SAM:sub1:TestPwd2007
+ * e14fb0eb401498d2cb33c9aae1cc7f37 => newuser2sam:SUB1:TestPwd2007
+ * 8dadc90250f873d8b883f79d890bef82 => NewUser2Sam:sub1.w2k3.vmnet1.vm.base:TestPwd2007
+ * f52da1266a6bdd290ffd48b2c823dda7 => newuser2sam:sub1.w2k3.vmnet1.vm.base:TestPwd2007
+ * d2b42f171248cec37a3c5c6b55404062 => NEWUSER2SAM:SUB1.W2K3.VMNET1.VM.BASE:TestPwd2007
+ * fff8d790ff6c152aaeb6ebe17b4021de => NewUser2Sam:SUB1.W2K3.VMNET1.VM.BASE:TestPwd2007
+ * 8dadc90250f873d8b883f79d890bef82 => NewUser2Sam:sub1.w2k3.vmnet1.vm.base:TestPwd2007
+ * 2a7563c3715bc418d626dabef378c008 => NEWUSER2SAM:sub1.w2k3.vmnet1.vm.base:TestPwd2007
+ * c8e9557a87cd4200fda0c11d2fa03f96 => newuser2sam:SUB1.W2K3.VMNET1.VM.BASE:TestPwd2007
+ * 221c55284451ae9b3aacaa2a3c86f10f => NewUser2Princ@sub1.w2k3.vmnet1.vm.base::TestPwd2007
+ * 74e1be668853d4324d38c07e2acfb8ea => (w2k3 has a bug here!) newuser2princ@sub1.w2k3.vmnet1.vm.base::TestPwd2007
+ * e1e244ab7f098e3ae1761be7f9229bbb => NEWUSER2PRINC@SUB1.W2K3.VMNET1.VM.BASE::TestPwd2007
+ * 86db637df42513039920e605499c3af6 => SUB1\NewUser2Sam::TestPwd2007
+ * f5e43474dfaf067fee8197a253debaa2 => sub1\newuser2sam::TestPwd2007
+ * 2ecaa8382e2518e4b77a52422b279467 => SUB1\NEWUSER2SAM::TestPwd2007
+ * 31dc704d3640335b2123d4ee28aa1f11 => ??? changes with NewUser2Sam => NewUser1Sam
+ * 36349f5cecd07320fb3bb0e119230c43 => ??? changes with NewUser2Sam => NewUser1Sam
+ * 12adf019d037fb535c01fd0608e78d9d => ??? changes with NewUser2Sam => NewUser1Sam
+ * 6feecf8e724906f3ee1105819c5105a1 => ??? changes with NewUser2Princ => NewUser1Princ
+ * 6c6911f3de6333422640221b9c51ff1f => ??? changes with NewUser2Princ => NewUser1Princ
+ * 4b279877e742895f9348ac67a8de2f69 => ??? changes with NewUser2Princ => NewUser1Princ
+ * db0c6bff069513e3ebb9870d29b57490 => ??? changes with NewUser2Sam => NewUser1Sam
+ * 45072621e56b1c113a4e04a8ff68cd0e => ??? changes with NewUser2Sam => NewUser1Sam
+ * 11d1220abc44a9c10cf91ef4a9c1de02 => ??? changes with NewUser2Sam => NewUser1Sam
+ *
+ * dn: CN=NewUser,OU=newtop,DC=sub1,DC=w2k3,DC=vmnet1,DC=vm,DC=base
+ * sAMAccountName: NewUser2Sam
+ *
+ * 4279815024bda54fc074a5f8bd0a6e6f => NewUser2Sam:SUB1:TestPwd2007
+ * b7ec9da91062199aee7d121e6710fe23 => newuser2sam:sub1:TestPwd2007
+ * 17d290bc5c9f463fac54c37a8cea134d => NEWUSER2SAM:SUB1:TestPwd2007
+ * 4279815024bda54fc074a5f8bd0a6e6f => NewUser2Sam:SUB1:TestPwd2007
+ * 5d57e7823938348127322e08cd81bcb5 => NewUser2Sam:sub1:TestPwd2007
+ * 07dd701bf8a011ece585de3d47237140 => NEWUSER2SAM:sub1:TestPwd2007
+ * e14fb0eb401498d2cb33c9aae1cc7f37 => newuser2sam:SUB1:TestPwd2007
+ * 8dadc90250f873d8b883f79d890bef82 => NewUser2Sam:sub1.w2k3.vmnet1.vm.base:TestPwd2007
+ * f52da1266a6bdd290ffd48b2c823dda7 => newuser2sam:sub1.w2k3.vmnet1.vm.base:TestPwd2007
+ * d2b42f171248cec37a3c5c6b55404062 => NEWUSER2SAM:SUB1.W2K3.VMNET1.VM.BASE:TestPwd2007
+ * fff8d790ff6c152aaeb6ebe17b4021de => NewUser2Sam:SUB1.W2K3.VMNET1.VM.BASE:TestPwd2007
+ * 8dadc90250f873d8b883f79d890bef82 => NewUser2Sam:sub1.w2k3.vmnet1.vm.base:TestPwd2007
+ * 2a7563c3715bc418d626dabef378c008 => NEWUSER2SAM:sub1.w2k3.vmnet1.vm.base:TestPwd2007
+ * c8e9557a87cd4200fda0c11d2fa03f96 => newuser2sam:SUB1.W2K3.VMNET1.VM.BASE:TestPwd2007
+ * 8a140d30b6f0a5912735dc1e3bc993b4 => NewUser2Sam@sub1.w2k3.vmnet1.vm.base::TestPwd2007
+ * 86d95b2faae6cae4ec261e7fbaccf093 => (here w2k3 is correct) newuser2sam@sub1.w2k3.vmnet1.vm.base::TestPwd2007
+ * dfeff1493110220efcdfc6362e5f5450 => NEWUSER2SAM@SUB1.W2K3.VMNET1.VM.BASE::TestPwd2007
+ * 86db637df42513039920e605499c3af6 => SUB1\NewUser2Sam::TestPwd2007
+ * f5e43474dfaf067fee8197a253debaa2 => sub1\newuser2sam::TestPwd2007
+ * 2ecaa8382e2518e4b77a52422b279467 => SUB1\NEWUSER2SAM::TestPwd2007
+ * 31dc704d3640335b2123d4ee28aa1f11 => ???M1 changes with NewUser2Sam => NewUser1Sam
+ * 36349f5cecd07320fb3bb0e119230c43 => ???M1.L changes with newuser2sam => newuser1sam
+ * 12adf019d037fb535c01fd0608e78d9d => ???M1.U changes with NEWUSER2SAM => NEWUSER1SAM
+ * 569b4533f2d9e580211dd040e5e360a8 => ???M2 changes with NewUser2Princ => NewUser1Princ
+ * 52528bddf310a587c5d7e6a9ae2cbb20 => ???M2.L changes with newuser2princ => newuser1princ
+ * 4f629a4f0361289ca4255ab0f658fcd5 => ???M3 changes with NewUser2Princ => NewUser1Princ (doesn't depend on case of userPrincipal )
+ * db0c6bff069513e3ebb9870d29b57490 => ???M4 changes with NewUser2Sam => NewUser1Sam
+ * 45072621e56b1c113a4e04a8ff68cd0e => ???M5 changes with NewUser2Sam => NewUser1Sam (doesn't depend on case of sAMAccountName)
+ * 11d1220abc44a9c10cf91ef4a9c1de02 => ???M4.U changes with NEWUSER2SAM => NEWUSER1SAM
+ */
+
+ /*
+ * sAMAccountName, netbios_domain
+ */
+ {
+ .user = &sAMAccountName,
+ .realm = &netbios_domain,
+ },
+ {
+ .user = &sAMAccountName_l,
+ .realm = &netbios_domain_l,
+ },
+ {
+ .user = &sAMAccountName_u,
+ .realm = &netbios_domain_u,
+ },
+ {
+ .user = &sAMAccountName,
+ .realm = &netbios_domain_u,
+ },
+ {
+ .user = &sAMAccountName,
+ .realm = &netbios_domain_l,
+ },
+ {
+ .user = &sAMAccountName_u,
+ .realm = &netbios_domain_l,
+ },
+ {
+ .user = &sAMAccountName_l,
+ .realm = &netbios_domain_u,
+ },
+ /*
+ * sAMAccountName, dns_domain
+ */
+ {
+ .user = &sAMAccountName,
+ .realm = &dns_domain,
+ },
+ {
+ .user = &sAMAccountName_l,
+ .realm = &dns_domain_l,
+ },
+ {
+ .user = &sAMAccountName_u,
+ .realm = &dns_domain_u,
+ },
+ {
+ .user = &sAMAccountName,
+ .realm = &dns_domain_u,
+ },
+ {
+ .user = &sAMAccountName,
+ .realm = &dns_domain_l,
+ },
+ {
+ .user = &sAMAccountName_u,
+ .realm = &dns_domain_l,
+ },
+ {
+ .user = &sAMAccountName_l,
+ .realm = &dns_domain_u,
+ },
+ /*
+ * userPrincipalName, no realm
+ */
+ {
+ .user = &userPrincipalName,
+ },
+ {
+ /*
+ * NOTE: w2k3 messes this up, if the user has a real userPrincipalName,
+ * the fallback to the sAMAccountName based userPrincipalName is correct
+ */
+ .user = &userPrincipalName_l,
+ },
+ {
+ .user = &userPrincipalName_u,
+ },
+ /*
+ * nt4dom\sAMAccountName, no realm
+ */
+ {
+ .user = &sAMAccountName,
+ .nt4dom = &netbios_domain
+ },
+ {
+ .user = &sAMAccountName_l,
+ .nt4dom = &netbios_domain_l
+ },
+ {
+ .user = &sAMAccountName_u,
+ .nt4dom = &netbios_domain_u
+ },
+
+ /*
+ * the following ones are guessed depending on the technet2 article
+ * but not reproducable on a w2k3 server
+ */
+ /* sAMAccountName with "Digest" realm */
+ {
+ .user = &sAMAccountName,
+ .realm = &digest
+ },
+ {
+ .user = &sAMAccountName_l,
+ .realm = &digest
+ },
+ {
+ .user = &sAMAccountName_u,
+ .realm = &digest
+ },
+ /* userPrincipalName with "Digest" realm */
+ {
+ .user = &userPrincipalName,
+ .realm = &digest
+ },
+ {
+ .user = &userPrincipalName_l,
+ .realm = &digest
+ },
+ {
+ .user = &userPrincipalName_u,
+ .realm = &digest
+ },
+ /* nt4dom\\sAMAccountName with "Digest" realm */
+ {
+ .user = &sAMAccountName,
+ .nt4dom = &netbios_domain,
+ .realm = &digest
+ },
+ {
+ .user = &sAMAccountName_l,
+ .nt4dom = &netbios_domain_l,
+ .realm = &digest
+ },
+ {
+ .user = &sAMAccountName_u,
+ .nt4dom = &netbios_domain_u,
+ .realm = &digest
+ },
+ };
+
+ /* prepare DATA_BLOB's used in the combinations array */
+ sAMAccountName = data_blob_string_const(io->u.sAMAccountName);
+ sAMAccountName_l = data_blob_string_const(strlower_talloc(io->ac, io->u.sAMAccountName));
+ if (!sAMAccountName_l.data) {
+ ldb_oom(io->ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ sAMAccountName_u = data_blob_string_const(strupper_talloc(io->ac, io->u.sAMAccountName));
+ if (!sAMAccountName_u.data) {
+ ldb_oom(io->ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
}
- computer_val = data_blob_string_const("computer");
-
- if (ldb_msg_find_val(objectclasses, &computer_val)) {
- is_computer = True;
- } else {
- is_computer = False;
+ /* if the user doesn't have a userPrincipalName, create one (with lower case realm) */
+ if (!user_principal_name) {
+ user_principal_name = talloc_asprintf(io->ac, "%s@%s",
+ io->u.sAMAccountName,
+ io->domain->dns_domain);
+ if (!user_principal_name) {
+ ldb_oom(io->ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
}
-
- domain_expression = talloc_asprintf(mem_ctx, "(&(objectSid=%s)(|(objectClass=domain)(objectClass=builtinDomain)))",
- ldap_encode_ndr_dom_sid(mem_ctx, domain_sid));
-
- /* Find the user's domain, then find out the domain password
- * properties */
- ret = ldb_search(module->ldb, NULL, LDB_SCOPE_SUBTREE, domain_expression,
- domain_attrs, &dom_res);
- if (ret) {
- talloc_free(mem_ctx);
- return ret;
+ userPrincipalName = data_blob_string_const(user_principal_name);
+ userPrincipalName_l = data_blob_string_const(strlower_talloc(io->ac, user_principal_name));
+ if (!userPrincipalName_l.data) {
+ ldb_oom(io->ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ userPrincipalName_u = data_blob_string_const(strupper_talloc(io->ac, user_principal_name));
+ if (!userPrincipalName_u.data) {
+ ldb_oom(io->ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
}
- if (dom_res->count != 1) {
- /* What happend? The user we are modifying must be odd... */
- ldb_set_errstring(module->ldb,
- talloc_asprintf(mem_ctx, "password_hash_handle: "
- "search for domain %s found %d != 1 objects",
- dom_sid_string(mem_ctx, domain_sid),
- dom_res->count));
- talloc_free(mem_ctx);
- return LDB_ERR_NO_SUCH_OBJECT;
+ netbios_domain = data_blob_string_const(io->domain->netbios_domain);
+ netbios_domain_l = data_blob_string_const(strlower_talloc(io->ac, io->domain->netbios_domain));
+ if (!netbios_domain_l.data) {
+ ldb_oom(io->ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ netbios_domain_u = data_blob_string_const(strupper_talloc(io->ac, io->domain->netbios_domain));
+ if (!netbios_domain_u.data) {
+ ldb_oom(io->ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
}
- pwdProperties = samdb_result_uint(dom_res->msgs[0], "pwdProperties", 0);
- pwdHistoryLength = samdb_result_uint(dom_res->msgs[0], "pwdHistoryLength", 0);
- dnsDomain = ldb_msg_find_string(dom_res->msgs[0], "dnsDomain", NULL);
- realm = strupper_talloc(mem_ctx, dnsDomain);
+ dns_domain = data_blob_string_const(io->domain->dns_domain);
+ dns_domain_l = data_blob_string_const(io->domain->dns_domain);
+ dns_domain_u = data_blob_string_const(io->domain->realm);
- /* Some operations below require kerberos contexts */
- if (smb_krb5_init_context(mem_ctx, &smb_krb5_context) != 0) {
- talloc_free(mem_ctx);
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- /* Prepare the modifications to set all the hash/key types */
- modify_msg = ldb_msg_new(req);
- modify_msg->dn = talloc_reference(modify_msg, dn);
-
-#define CHECK_RET(x) \
- do { \
- int check_ret = x; \
- if (check_ret != LDB_SUCCESS) { \
- talloc_free(mem_ctx); \
- return check_ret; \
- } \
- } while(0)
-
- /* Setup krb5Key (we want to either delete an existing value,
- * or replace with a new one). Both the unicode and NT hash
- * only branches append keys to this multivalued entry. */
- CHECK_RET(ldb_msg_add_empty(modify_msg, "krb5Key", LDB_FLAG_MOD_REPLACE));
-
- /* Yay, we can compute new password hashes from the unicode
- * password */
- if (sambaPassword) {
- Principal *salt_principal;
- const char *user_principal_name = ldb_msg_find_string(res->msgs[0], "userPrincipalName", NULL);
-
- Key *keys;
- size_t num_keys;
+ cleartext = data_blob_string_const(io->n.cleartext);
- /* compute the new nt and lm hashes */
- if (E_deshash(sambaPassword, local_lmNewHash.hash)) {
- lmPwdHash = &local_lmNewHash;
- } else {
- lmPwdHash = NULL;
- }
- E_md4hash(sambaPassword, local_ntNewHash.hash);
- ntPwdHash = &local_ntNewHash;
- CHECK_RET(ldb_msg_add_empty(modify_msg, "ntPwdHash",
- LDB_FLAG_MOD_REPLACE));
- CHECK_RET(samdb_msg_add_hash(module->ldb, req,
- modify_msg, "ntPwdHash",
- ntPwdHash));
- CHECK_RET(ldb_msg_add_empty(modify_msg, "lmPwdHash",
- LDB_FLAG_MOD_REPLACE));
- if (lmPwdHash) {
- CHECK_RET(samdb_msg_add_hash(module->ldb, req,
- modify_msg, "lmPwdHash",
- lmPwdHash));
- }
-
- /* Many, many thanks to lukeh@padl.com for this
- * algorithm, described in his Nov 10 2004 mail to
- * samba-technical@samba.org */
-
- if (is_computer) {
- /* Determine a salting principal */
- char *samAccountName = talloc_strdup(mem_ctx, ldb_msg_find_string(res->msgs[0], "samAccountName", NULL));
- char *saltbody;
- if (!samAccountName) {
- ldb_set_errstring(module->ldb,
- talloc_asprintf(mem_ctx, "password_hash_handle: "
- "generation of new kerberos keys failed: %s is a computer without a samAccountName",
- ldb_dn_linearize(mem_ctx, dn)));
- talloc_free(mem_ctx);
- return LDB_ERR_OPERATIONS_ERROR;
- }
- if (samAccountName[strlen(samAccountName)-1] == '$') {
- samAccountName[strlen(samAccountName)-1] = '\0';
- }
- saltbody = talloc_asprintf(mem_ctx, "%s.%s", samAccountName, dnsDomain);
-
- krb5_ret = krb5_make_principal(smb_krb5_context->krb5_context, &salt_principal, realm, "host", saltbody, NULL);
- } else if (user_principal_name) {
- char *p;
- user_principal_name = talloc_strdup(mem_ctx, user_principal_name);
- if (!user_principal_name) {
- talloc_free(mem_ctx);
- return LDB_ERR_OPERATIONS_ERROR;
- } else {
- p = strchr(user_principal_name, '@');
- if (p) {
- p[0] = '\0';
- }
- krb5_ret = krb5_make_principal(smb_krb5_context->krb5_context, &salt_principal, realm, user_principal_name, NULL);
- }
- } else {
- const char *samAccountName = ldb_msg_find_string(res->msgs[0], "samAccountName", NULL);
- if (!samAccountName) {
- ldb_set_errstring(module->ldb,
- talloc_asprintf(mem_ctx, "password_hash_handle: "
- "generation of new kerberos keys failed: %s has no samAccountName",
- ldb_dn_linearize(mem_ctx, dn)));
- talloc_free(mem_ctx);
- return LDB_ERR_OPERATIONS_ERROR;
- }
- krb5_ret = krb5_make_principal(smb_krb5_context->krb5_context, &salt_principal, realm, samAccountName, NULL);
- }
-
-
- if (krb5_ret) {
- ldb_set_errstring(module->ldb,
- talloc_asprintf(mem_ctx, "password_hash_handle: "
- "generation of a saltking principal failed: %s",
- smb_get_krb5_error_message(smb_krb5_context->krb5_context,
- krb5_ret, mem_ctx)));
- talloc_free(mem_ctx);
- return LDB_ERR_OPERATIONS_ERROR;
- }
+ digest = data_blob_string_const("Digest");
- /* TODO: We may wish to control the encryption types chosen in future */
- krb5_ret = hdb_generate_key_set_password(smb_krb5_context->krb5_context,
- salt_principal, sambaPassword, &keys, &num_keys);
- krb5_free_principal(smb_krb5_context->krb5_context, salt_principal);
+ delim = data_blob_string_const(":");
+ backslash = data_blob_string_const("\\");
- if (krb5_ret) {
- ldb_set_errstring(module->ldb,
- talloc_asprintf(mem_ctx, "password_hash_handle: "
- "generation of new kerberos keys failed: %s",
- smb_get_krb5_error_message(smb_krb5_context->krb5_context,
- krb5_ret, mem_ctx)));
- talloc_free(mem_ctx);
- return LDB_ERR_OPERATIONS_ERROR;
+ pdb->num_hashes = ARRAY_SIZE(wdigest);
+ pdb->hashes = talloc_array(io->ac, struct package_PrimaryWDigestHash, pdb->num_hashes);
+ if (!pdb->hashes) {
+ ldb_oom(io->ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ for (i=0; i < ARRAY_SIZE(wdigest); i++) {
+ struct MD5Context md5;
+ MD5Init(&md5);
+ if (wdigest[i].nt4dom) {
+ MD5Update(&md5, wdigest[i].nt4dom->data, wdigest[i].nt4dom->length);
+ MD5Update(&md5, backslash.data, backslash.length);
+ }
+ MD5Update(&md5, wdigest[i].user->data, wdigest[i].user->length);
+ MD5Update(&md5, delim.data, delim.length);
+ if (wdigest[i].realm) {
+ MD5Update(&md5, wdigest[i].realm->data, wdigest[i].realm->length);
}
+ MD5Update(&md5, delim.data, delim.length);
+ MD5Update(&md5, cleartext.data, cleartext.length);
+ MD5Final(pdb->hashes[i].hash, &md5);
+ }
+
+ return LDB_SUCCESS;
+}
- /* Walking all the key types generated, transform each
- * key into an ASN.1 blob
+static int setup_supplemental_field(struct setup_password_fields_io *io)
+{
+ struct supplementalCredentialsBlob scb;
+ struct supplementalCredentialsBlob _old_scb;
+ struct supplementalCredentialsBlob *old_scb = NULL;
+ /* Packages + (Kerberos, WDigest and maybe CLEARTEXT) */
+ uint32_t num_packages = 1 + 2;
+ struct supplementalCredentialsPackage packages[1+3];
+ struct supplementalCredentialsPackage *pp = &packages[0];
+ struct supplementalCredentialsPackage *pk = &packages[1];
+ struct supplementalCredentialsPackage *pd = &packages[2];
+ struct supplementalCredentialsPackage *pc = NULL;
+ struct package_PackagesBlob pb;
+ DATA_BLOB pb_blob;
+ char *pb_hexstr;
+ struct package_PrimaryKerberosBlob pkb;
+ DATA_BLOB pkb_blob;
+ char *pkb_hexstr;
+ struct package_PrimaryWDigestBlob pdb;
+ DATA_BLOB pdb_blob;
+ char *pdb_hexstr;
+ struct package_PrimaryCLEARTEXTBlob pcb;
+ DATA_BLOB pcb_blob;
+ char *pcb_hexstr;
+ int ret;
+ NTSTATUS status;
+ uint8_t zero16[16];
+
+ ZERO_STRUCT(zero16);
+
+ if (!io->n.cleartext) {
+ /*
+ * when we don't have a cleartext password
+ * we can't setup a supplementalCredential value
*/
- for (i=0; i < num_keys; i++) {
- unsigned char *buf;
- size_t buf_size;
- size_t len;
- struct ldb_val val;
-
- if (keys[i].key.keytype == ENCTYPE_ARCFOUR_HMAC) {
- /* We might end up doing this below:
- * This ensures we get the unicode
- * conversion right. This should also
- * be fixed in the Heimdal libs */
- continue;
- }
- ASN1_MALLOC_ENCODE(Key, buf, buf_size, &keys[i], &len, krb5_ret);
- if (krb5_ret) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- val.data = talloc_memdup(req, buf, len);
- val.length = len;
- free(buf);
- if (!val.data || krb5_ret) {
- hdb_free_keys (smb_krb5_context->krb5_context, num_keys, keys);
- talloc_free(mem_ctx);
- return LDB_ERR_OPERATIONS_ERROR;
- }
- ret = ldb_msg_add_value(modify_msg, "krb5Key", &val);
- if (ret != LDB_SUCCESS) {
- hdb_free_keys (smb_krb5_context->krb5_context, num_keys, keys);
- talloc_free(mem_ctx);
- return ret;
- }
+ return LDB_SUCCESS;
+ }
+
+ /* if there's an old supplementaCredentials blob then parse it */
+ if (io->o.supplemental) {
+ status = ndr_pull_struct_blob_all(io->o.supplemental, io->ac, &_old_scb,
+ (ndr_pull_flags_fn_t)ndr_pull_supplementalCredentialsBlob);
+ if (!NT_STATUS_IS_OK(status)) {
+ ldb_asprintf_errstring(io->ac->module->ldb,
+ "setup_supplemental_field: "
+ "failed to pull old supplementalCredentialsBlob: %s",
+ nt_errstr(status));
+ return LDB_ERR_OPERATIONS_ERROR;
}
-
- hdb_free_keys (smb_krb5_context->krb5_context, num_keys, keys);
+
+ old_scb = &_old_scb;
+ }
+
+ if (io->domain->store_cleartext &&
+ (io->u.user_account_control & UF_ENCRYPTED_TEXT_PASSWORD_ALLOWED)) {
+ pc = &packages[3];
+ num_packages++;
}
- /* Possibly kill off the cleartext or store it */
- CHECK_RET(ldb_msg_add_empty(modify_msg, "sambaPassword", LDB_FLAG_MOD_REPLACE));
+ /* Kerberos, WDigest, CLEARTEXT and termination(counted by the Packages element) */
+ pb.names = talloc_zero_array(io->ac, const char *, num_packages);
+
+ /*
+ * setup 'Primary:Kerberos' element
+ */
+ pb.names[0] = "Kerberos";
+
+ ret = setup_primary_kerberos(io, old_scb, &pkb);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
- if (sambaPassword && (pwdProperties & DOMAIN_PASSWORD_STORE_CLEARTEXT) &&
- (userAccountControl & UF_ENCRYPTED_TEXT_PASSWORD_ALLOWED)) {
- CHECK_RET(ldb_msg_add_string(modify_msg, "sambaPassword", sambaPassword));
+ status = ndr_push_struct_blob(&pkb_blob, io->ac, &pkb,
+ (ndr_push_flags_fn_t)ndr_push_package_PrimaryKerberosBlob);
+ if (!NT_STATUS_IS_OK(status)) {
+ ldb_asprintf_errstring(io->ac->module->ldb,
+ "setup_supplemental_field: "
+ "failed to push package_PrimaryKerberosBlob: %s",
+ nt_errstr(status));
+ return LDB_ERR_OPERATIONS_ERROR;
}
-
- /* Even if we didn't get a sambaPassword, we can still setup
- * krb5Key from the NT hash.
+ /*
+ * TODO:
*
- * This is an append, so it works with the 'continue' in the
- * unicode loop above, to use Samba's NT hash function, which
- * is more correct than Heimdal's
+ * This is ugly, but we want to generate the same blob as
+ * w2k and w2k3...we should handle this in the idl
*/
- if (ntPwdHash) {
- unsigned char *buf;
- size_t buf_size;
- size_t len;
- struct ldb_val val;
- Key key;
-
- key.mkvno = 0;
- key.salt = NULL; /* No salt for this enc type */
-
- krb5_ret = krb5_keyblock_init(smb_krb5_context->krb5_context,
- ENCTYPE_ARCFOUR_HMAC,
- ntPwdHash->hash, sizeof(ntPwdHash->hash),
- &key.key);
- if (krb5_ret) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
- ASN1_MALLOC_ENCODE(Key, buf, buf_size, &key, &len, krb5_ret);
- if (krb5_ret) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
- krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
- &key.key);
-
- val.data = talloc_memdup(req, buf, len);
- val.length = len;
- free(buf);
- if (!val.data || ret) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
- CHECK_RET(ldb_msg_add_value(modify_msg, "krb5Key", &val));
+ status = data_blob_append(io->ac, &pkb_blob, zero16, sizeof(zero16));
+ if (!NT_STATUS_IS_OK(status)) {
+ ldb_oom(io->ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ pkb_hexstr = data_blob_hex_string(io->ac, &pkb_blob);
+ if (!pkb_hexstr) {
+ ldb_oom(io->ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ pk->name = "Primary:Kerberos";
+ pk->unknown1 = 1;
+ pk->data = pkb_hexstr;
+
+ /*
+ * setup 'Primary:WDigest' element
+ */
+ pb.names[1] = "WDigest";
+
+ ret = setup_primary_wdigest(io, old_scb, &pdb);
+ if (ret != LDB_SUCCESS) {
+ return ret;
}
- /* If the original caller did anything with pwdLastSet then skip this. It could be an incoming samsync */
- attribute = ldb_msg_find_element(msg, "pwdLastSet");
- if (attribute == NULL) {
- /* Update the password last set time */
- unix_to_nt_time(&now_nt, now);
- CHECK_RET(ldb_msg_add_empty(modify_msg, "pwdLastSet", LDB_FLAG_MOD_REPLACE));
- CHECK_RET(samdb_msg_add_uint64(module->ldb, mem_ctx, modify_msg, "pwdLastSet", now_nt));
+ status = ndr_push_struct_blob(&pdb_blob, io->ac, &pdb,
+ (ndr_push_flags_fn_t)ndr_push_package_PrimaryWDigestBlob);
+ if (!NT_STATUS_IS_OK(status)) {
+ ldb_asprintf_errstring(io->ac->module->ldb,
+ "setup_supplemental_field: "
+ "failed to push package_PrimaryWDigestBlob: %s",
+ nt_errstr(status));
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ pdb_hexstr = data_blob_hex_string(io->ac, &pdb_blob);
+ if (!pdb_hexstr) {
+ ldb_oom(io->ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
}
+ pd->name = "Primary:WDigest";
+ pd->unknown1 = 1;
+ pd->data = pdb_hexstr;
- /* If the original caller did anything with "msDS-KeyVersionNumber" then skip this. It could be an incoming samsync */
- attribute = ldb_msg_find_element(msg, "msDS-KeyVersionNumber");
- if (attribute == NULL) {
- if (kvno == 0) {
- CHECK_RET(ldb_msg_add_empty(modify_msg, "msDS-KeyVersionNumber",
- LDB_FLAG_MOD_REPLACE));
- CHECK_RET(samdb_msg_add_uint(module->ldb, mem_ctx, modify_msg, "msDS-KeyVersionNumber", kvno + 1));
- } else {
- /* While we should be in a transaction, go one extra
- * step in the dance for an 'atomic' increment. This
- * may be of value against remote LDAP servers. (Note
- * however that Mulitmaster replication stil offers no
- * such guarantee) */
-
- struct ldb_val old_kvno, new_kvno;
- old_kvno.data = (uint8_t *)talloc_asprintf(mem_ctx, "%u", kvno);
- if (!old_kvno.data) {
- return -1;
- }
- old_kvno.length = strlen((char *)old_kvno.data);
-
- new_kvno.data = (uint8_t *)talloc_asprintf(mem_ctx, "%u", kvno + 1);
- if (!new_kvno.data) {
- return -1;
- }
- new_kvno.length = strlen((char *)new_kvno.data);
-
- CHECK_RET(ldb_msg_add_empty(modify_msg, "msDS-KeyVersionNumber",
- LDB_FLAG_MOD_DELETE));
- CHECK_RET(ldb_msg_add_empty(modify_msg, "msDS-KeyVersionNumber",
- LDB_FLAG_MOD_ADD));
- modify_msg->elements[modify_msg->num_elements - 2].num_values = 1;
- modify_msg->elements[modify_msg->num_elements - 2].values = &old_kvno;
- modify_msg->elements[modify_msg->num_elements - 1].num_values = 1;
- modify_msg->elements[modify_msg->num_elements - 1].values = &new_kvno;
- }
- }
-
- CHECK_RET(ldb_msg_add_empty(modify_msg, "sambaLMPwdHistory",
- LDB_FLAG_MOD_REPLACE));
- CHECK_RET(ldb_msg_add_empty(modify_msg, "sambaNTPwdHistory",
- LDB_FLAG_MOD_REPLACE));
-
- /* If we have something to put into the history, or an old
- * history element to expire, update the history */
- if (pwdHistoryLength > 0 &&
- ((sambaNTPwdHistory_len > 0) || (sambaLMPwdHistory_len > 0)
- || lmOldHash || ntOldHash)) {
- /* store the password history */
- new_sambaLMPwdHistory = talloc_array(mem_ctx, struct samr_Password,
- pwdHistoryLength);
- if (!new_sambaLMPwdHistory) {
+ /*
+ * setup 'Primary:CLEARTEXT' element
+ */
+ if (pc) {
+ pb.names[2] = "CLEARTEXT";
+
+ pcb.cleartext = io->n.cleartext;
+
+ status = ndr_push_struct_blob(&pcb_blob, io->ac, &pcb,
+ (ndr_push_flags_fn_t)ndr_push_package_PrimaryCLEARTEXTBlob);
+ if (!NT_STATUS_IS_OK(status)) {
+ ldb_asprintf_errstring(io->ac->module->ldb,
+ "setup_supplemental_field: "
+ "failed to push package_PrimaryCLEARTEXTBlob: %s",
+ nt_errstr(status));
return LDB_ERR_OPERATIONS_ERROR;
}
- new_sambaNTPwdHistory = talloc_array(mem_ctx, struct samr_Password,
- pwdHistoryLength);
- if (!new_sambaNTPwdHistory) {
+ pcb_hexstr = data_blob_hex_string(io->ac, &pcb_blob);
+ if (!pcb_hexstr) {
+ ldb_oom(io->ac->module->ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
- for (i=0;i<MIN(pwdHistoryLength-1, sambaLMPwdHistory_len);i++) {
- new_sambaLMPwdHistory[i+1] = sambaLMPwdHistory[i];
- }
- for (i=0;i<MIN(pwdHistoryLength-1, sambaNTPwdHistory_len);i++) {
- new_sambaNTPwdHistory[i+1] = sambaNTPwdHistory[i];
- }
-
- /* Don't store 'long' passwords in the LM history,
- but make sure to 'expire' one password off the other end */
- if (lmOldHash) {
- new_sambaLMPwdHistory[0] = *lmOldHash;
- } else {
- ZERO_STRUCT(new_sambaLMPwdHistory[0]);
- }
- sambaLMPwdHistory_len = MIN(sambaLMPwdHistory_len + 1, pwdHistoryLength);
-
- /* Likewise, we might not have an old NT password (lm
- * only password change function on previous change) */
- if (ntOldHash) {
- new_sambaNTPwdHistory[0] = *ntOldHash;
- } else {
- ZERO_STRUCT(new_sambaNTPwdHistory[0]);
- }
- sambaNTPwdHistory_len = MIN(sambaNTPwdHistory_len + 1, pwdHistoryLength);
-
- CHECK_RET(samdb_msg_add_hashes(module->ldb, mem_ctx, modify_msg,
- "sambaLMPwdHistory",
- new_sambaLMPwdHistory,
- sambaLMPwdHistory_len));
-
- CHECK_RET(samdb_msg_add_hashes(module->ldb, mem_ctx, modify_msg,
- "sambaNTPwdHistory",
- new_sambaNTPwdHistory,
- sambaNTPwdHistory_len));
+ pc->name = "Primary:CLEARTEXT";
+ pc->unknown1 = 1;
+ pc->data = pcb_hexstr;
}
- /* Too much code above, we should check we got it close to reasonable */
- CHECK_RET(ldb_msg_sanity_check(modify_msg));
-
- modify_request = talloc(mem_ctx, struct ldb_request);
- if (!modify_request) {
- talloc_free(mem_ctx);
+ /*
+ * setup 'Packages' element
+ */
+ status = ndr_push_struct_blob(&pb_blob, io->ac, &pb,
+ (ndr_push_flags_fn_t)ndr_push_package_PackagesBlob);
+ if (!NT_STATUS_IS_OK(status)) {
+ ldb_asprintf_errstring(io->ac->module->ldb,
+ "setup_supplemental_field: "
+ "failed to push package_PackagesBlob: %s",
+ nt_errstr(status));
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ pb_hexstr = data_blob_hex_string(io->ac, &pb_blob);
+ if (!pb_hexstr) {
+ ldb_oom(io->ac->module->ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
+ pp->name = "Packages";
+ pp->unknown1 = 2;
+ pp->data = pb_hexstr;
- modify_request->operation = LDB_REQ_MODIFY;
- modify_request->op.mod.message = modify_msg;
- modify_request->controls = NULL;
+ /*
+ * setup 'supplementalCredentials' value
+ */
+ scb.sub.num_packages = num_packages;
+ scb.sub.packages = packages;
+
+ status = ndr_push_struct_blob(&io->g.supplemental, io->ac, &scb,
+ (ndr_push_flags_fn_t)ndr_push_supplementalCredentialsBlob);
+ if (!NT_STATUS_IS_OK(status)) {
+ ldb_asprintf_errstring(io->ac->module->ldb,
+ "setup_supplemental_field: "
+ "failed to push supplementalCredentialsBlob: %s",
+ nt_errstr(status));
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
- ret = ldb_next_request(module, modify_request);
-
- talloc_free(mem_ctx);
- return ret;
+ return LDB_SUCCESS;
}
-/* add_record: do things with the sambaPassword attribute */
-static int password_hash_add(struct ldb_module *module, struct ldb_request *req)
+static int setup_last_set_field(struct setup_password_fields_io *io)
{
- const struct ldb_message *msg = req->op.add.message;
+ /* set it as now */
+ unix_to_nt_time(&io->g.last_set, time(NULL));
- ldb_debug(module->ldb, LDB_DEBUG_TRACE, "password_hash_add_record\n");
+ return LDB_SUCCESS;
+}
- if (ldb_dn_is_special(msg->dn)) { /* do not manipulate our control entries */
- return ldb_next_request(module, req);
- }
-
- return password_hash_handle(module, req, msg);
+static int setup_kvno_field(struct setup_password_fields_io *io)
+{
+ /* increment by one */
+ io->g.kvno = io->o.kvno + 1;
+
+ return LDB_SUCCESS;
}
-/* modify_record: do things with the sambaPassword attribute */
-static int password_hash_modify(struct ldb_module *module, struct ldb_request *req)
+static int setup_password_fields(struct setup_password_fields_io *io)
{
- const struct ldb_message *msg = req->op.mod.message;
+ bool ok;
+ int ret;
- ldb_debug(module->ldb, LDB_DEBUG_TRACE, "password_hash_modify_record\n");
+ /*
+ * refuse the change if someone want to change the cleartext
+ * and supply his own hashes at the same time...
+ */
+ if (io->n.cleartext && (io->n.nt_hash || io->n.lm_hash)) {
+ ldb_asprintf_errstring(io->ac->module->ldb,
+ "setup_password_fields: "
+ "it's only allowed to set the cleartext password or the password hashes");
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
- if (ldb_dn_is_special(msg->dn)) { /* do not manipulate our control entries */
- return ldb_next_request(module, req);
+ if (io->n.cleartext && !io->n.nt_hash) {
+ struct samr_Password *hash;
+
+ hash = talloc(io->ac, struct samr_Password);
+ if (!hash) {
+ ldb_oom(io->ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ /* compute the new nt hash */
+ ok = E_md4hash(io->n.cleartext, hash->hash);
+ if (ok) {
+ io->n.nt_hash = hash;
+ } else {
+ ldb_asprintf_errstring(io->ac->module->ldb,
+ "setup_password_fields: "
+ "failed to generate nthash from cleartext password");
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
}
-
- return password_hash_handle(module, req, msg);
+
+ if (io->n.cleartext && !io->n.lm_hash) {
+ struct samr_Password *hash;
+
+ hash = talloc(io->ac, struct samr_Password);
+ if (!hash) {
+ ldb_oom(io->ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ /* compute the new lm hash */
+ ok = E_deshash(io->n.cleartext, hash->hash);
+ if (ok) {
+ io->n.lm_hash = hash;
+ } else {
+ talloc_free(hash->hash);
+ }
+ }
+
+ ret = setup_nt_fields(io);
+ if (ret != 0) {
+ return ret;
+ }
+
+ ret = setup_lm_fields(io);
+ if (ret != 0) {
+ return ret;
+ }
+
+ ret = setup_supplemental_field(io);
+ if (ret != 0) {
+ return ret;
+ }
+
+ ret = setup_last_set_field(io);
+ if (ret != 0) {
+ return ret;
+ }
+
+ ret = setup_kvno_field(io);
+ if (ret != 0) {
+ return ret;
+ }
+
+ return LDB_SUCCESS;
}
-static int password_hash_request(struct ldb_module *module, struct ldb_request *req)
+static struct ldb_handle *ph_init_handle(struct ldb_request *req, struct ldb_module *module, enum ph_type type)
{
- switch (req->operation) {
+ struct ph_context *ac;
+ struct ldb_handle *h;
- case LDB_REQ_ADD:
- return password_hash_add(module, req);
+ h = talloc_zero(req, struct ldb_handle);
+ if (h == NULL) {
+ ldb_set_errstring(module->ldb, "Out of Memory");
+ return NULL;
+ }
- case LDB_REQ_MODIFY:
- return password_hash_modify(module, req);
+ h->module = module;
- default:
+ ac = talloc_zero(h, struct ph_context);
+ if (ac == NULL) {
+ ldb_set_errstring(module->ldb, "Out of Memory");
+ talloc_free(h);
+ return NULL;
+ }
+
+ h->private_data = (void *)ac;
+
+ h->state = LDB_ASYNC_INIT;
+ h->status = LDB_SUCCESS;
+
+ ac->type = type;
+ ac->module = module;
+ ac->orig_req = req;
+
+ return h;
+}
+
+static int get_domain_data_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares)
+{
+ struct ph_context *ac;
+
+ if (!context || !ares) {
+ ldb_set_errstring(ldb, "NULL Context or Result in callback");
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ac = talloc_get_type(context, struct ph_context);
+
+ /* we are interested only in the single reply (base search) we receive here */
+ if (ares->type == LDB_REPLY_ENTRY) {
+ if (ac->dom_res != NULL) {
+ ldb_set_errstring(ldb, "Too many results");
+ talloc_free(ares);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ ac->dom_res = talloc_steal(ac, ares);
+ } else {
+ talloc_free(ares);
+ }
+
+ return LDB_SUCCESS;
+}
+
+static int build_domain_data_request(struct ph_context *ac)
+{
+ /* attrs[] is returned from this function in
+ ac->dom_req->op.search.attrs, so it must be static, as
+ otherwise the compiler can put it on the stack */
+ static const char * const attrs[] = { "pwdProperties", "pwdHistoryLength", NULL };
+ char *filter;
+
+ ac->dom_req = talloc_zero(ac, struct ldb_request);
+ if (ac->dom_req == NULL) {
+ ldb_debug(ac->module->ldb, LDB_DEBUG_ERROR, "Out of Memory!\n");
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ ac->dom_req->operation = LDB_SEARCH;
+ ac->dom_req->op.search.base = ldb_get_default_basedn(ac->module->ldb);
+ ac->dom_req->op.search.scope = LDB_SCOPE_SUBTREE;
+
+ filter = talloc_asprintf(ac->dom_req, "(&(objectSid=%s)(|(objectClass=domain)(objectClass=builtinDomain)))",
+ ldap_encode_ndr_dom_sid(ac->dom_req, ac->domain_sid));
+ if (filter == NULL) {
+ ldb_debug(ac->module->ldb, LDB_DEBUG_ERROR, "Out of Memory!\n");
+ talloc_free(ac->dom_req);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ac->dom_req->op.search.tree = ldb_parse_tree(ac->dom_req, filter);
+ if (ac->dom_req->op.search.tree == NULL) {
+ ldb_set_errstring(ac->module->ldb, "Invalid search filter");
+ talloc_free(ac->dom_req);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ ac->dom_req->op.search.attrs = attrs;
+ ac->dom_req->controls = NULL;
+ ac->dom_req->context = ac;
+ ac->dom_req->callback = get_domain_data_callback;
+ ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->dom_req);
+
+ return LDB_SUCCESS;
+}
+
+static struct domain_data *get_domain_data(struct ldb_module *module, void *ctx, struct ldb_reply *res)
+{
+ struct domain_data *data;
+ const char *tmp;
+ struct ph_context *ac;
+ char *p;
+
+ ac = talloc_get_type(ctx, struct ph_context);
+
+ data = talloc_zero(ac, struct domain_data);
+ if (data == NULL) {
+ return NULL;
+ }
+
+ if (res == NULL) {
+ ldb_debug(module->ldb, LDB_DEBUG_ERROR, "Could not find this user's domain: %s!\n", dom_sid_string(data, ac->domain_sid));
+ talloc_free(data);
+ return NULL;
+ }
+
+ data->pwdProperties= samdb_result_uint(res->message, "pwdProperties", 0);
+ data->store_cleartext = data->pwdProperties & DOMAIN_PASSWORD_STORE_CLEARTEXT;
+ data->pwdHistoryLength = samdb_result_uint(res->message, "pwdHistoryLength", 0);
+
+ /* For a domain DN, this puts things in dotted notation */
+ /* For builtin domains, this will give details for the host,
+ * but that doesn't really matter, as it's just used for salt
+ * and kerberos principals, which don't exist here */
+
+ tmp = ldb_dn_canonical_string(ctx, res->message->dn);
+ if (!tmp) {
+ return NULL;
+ }
+
+ /* But it puts a trailing (or just before 'builtin') / on things, so kill that */
+ p = strchr(tmp, '/');
+ if (p) {
+ p[0] = '\0';
+ }
+
+ if (tmp != NULL) {
+ data->dns_domain = strlower_talloc(data, tmp);
+ if (data->dns_domain == NULL) {
+ ldb_debug(module->ldb, LDB_DEBUG_ERROR, "Out of memory!\n");
+ return NULL;
+ }
+ data->realm = strupper_talloc(data, tmp);
+ if (data->realm == NULL) {
+ ldb_debug(module->ldb, LDB_DEBUG_ERROR, "Out of memory!\n");
+ return NULL;
+ }
+ p = strchr(tmp, '.');
+ if (p) {
+ p[0] = '\0';
+ }
+ data->netbios_domain = strupper_talloc(data, tmp);
+ if (data->netbios_domain == NULL) {
+ ldb_debug(module->ldb, LDB_DEBUG_ERROR, "Out of memory!\n");
+ return NULL;
+ }
+ }
+
+ return data;
+}
+
+static int password_hash_add(struct ldb_module *module, struct ldb_request *req)
+{
+ struct ldb_handle *h;
+ struct ph_context *ac;
+ struct ldb_message_element *sambaAttr;
+ struct ldb_message_element *ntAttr;
+ struct ldb_message_element *lmAttr;
+ int ret;
+
+ ldb_debug(module->ldb, LDB_DEBUG_TRACE, "password_hash_add\n");
+
+ if (ldb_dn_is_special(req->op.add.message->dn)) { /* do not manipulate our control entries */
+ return ldb_next_request(module, req);
+ }
+
+ /* If the caller is manipulating the local passwords directly, let them pass */
+ if (ldb_dn_compare_base(ldb_dn_new(req, module->ldb, LOCAL_BASE),
+ req->op.add.message->dn) == 0) {
+ return ldb_next_request(module, req);
+ }
+
+ /* nobody must touch this fields */
+ if (ldb_msg_find_element(req->op.add.message, "ntPwdHistory")) {
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+ if (ldb_msg_find_element(req->op.add.message, "lmPwdHistory")) {
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+ if (ldb_msg_find_element(req->op.add.message, "supplementalCredentials")) {
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+
+ /* If no part of this ADD touches the sambaPassword, or the NT
+ * or LM hashes, then we don't need to make any changes. */
+
+ sambaAttr = ldb_msg_find_element(req->op.mod.message, "sambaPassword");
+ ntAttr = ldb_msg_find_element(req->op.mod.message, "unicodePwd");
+ lmAttr = ldb_msg_find_element(req->op.mod.message, "dBCSPwd");
+
+ if ((!sambaAttr) && (!ntAttr) && (!lmAttr)) {
+ return ldb_next_request(module, req);
+ }
+
+ /* if it is not an entry of type person its an error */
+ /* TODO: remove this when sambaPassword will be in schema */
+ if (!ldb_msg_check_string_attribute(req->op.add.message, "objectClass", "person")) {
+ ldb_set_errstring(module->ldb, "Cannot set a password on entry that does not have objectClass 'person'");
+ return LDB_ERR_OBJECT_CLASS_VIOLATION;
+ }
+
+ /* check sambaPassword is single valued here */
+ /* TODO: remove this when sambaPassword will be single valued in schema */
+ if (sambaAttr && sambaAttr->num_values > 1) {
+ ldb_set_errstring(module->ldb, "mupltiple values for sambaPassword not allowed!\n");
+ return LDB_ERR_CONSTRAINT_VIOLATION;
+ }
+
+ if (ntAttr && (ntAttr->num_values > 1)) {
+ ldb_set_errstring(module->ldb, "mupltiple values for unicodePwd not allowed!\n");
+ return LDB_ERR_CONSTRAINT_VIOLATION;
+ }
+ if (lmAttr && (lmAttr->num_values > 1)) {
+ ldb_set_errstring(module->ldb, "mupltiple values for dBCSPwd not allowed!\n");
+ return LDB_ERR_CONSTRAINT_VIOLATION;
+ }
+
+ if (sambaAttr && sambaAttr->num_values == 0) {
+ ldb_set_errstring(module->ldb, "sambaPassword must have a value!\n");
+ return LDB_ERR_CONSTRAINT_VIOLATION;
+ }
+
+ if (ntAttr && (ntAttr->num_values == 0)) {
+ ldb_set_errstring(module->ldb, "unicodePwd must have a value!\n");
+ return LDB_ERR_CONSTRAINT_VIOLATION;
+ }
+ if (lmAttr && (lmAttr->num_values == 0)) {
+ ldb_set_errstring(module->ldb, "dBCSPwd must have a value!\n");
+ return LDB_ERR_CONSTRAINT_VIOLATION;
+ }
+
+ h = ph_init_handle(req, module, PH_ADD);
+ if (!h) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ ac = talloc_get_type(h->private_data, struct ph_context);
+
+ /* get user domain data */
+ ac->domain_sid = samdb_result_sid_prefix(ac, req->op.add.message, "objectSid");
+ if (ac->domain_sid == NULL) {
+ ldb_debug(module->ldb, LDB_DEBUG_ERROR, "can't handle entry with missing objectSid!\n");
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ret = build_domain_data_request(ac);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ ac->step = PH_ADD_SEARCH_DOM;
+
+ req->handle = h;
+
+ return ldb_next_request(module, ac->dom_req);
+}
+
+static int password_hash_add_do_add(struct ldb_handle *h) {
+
+ struct ph_context *ac;
+ struct domain_data *domain;
+ struct smb_krb5_context *smb_krb5_context;
+ struct ldb_message *msg;
+ struct setup_password_fields_io io;
+ int ret;
+
+ ac = talloc_get_type(h->private_data, struct ph_context);
+
+ domain = get_domain_data(ac->module, ac, ac->dom_res);
+ if (domain == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ac->down_req = talloc(ac, struct ldb_request);
+ if (ac->down_req == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ *(ac->down_req) = *(ac->orig_req);
+ ac->down_req->op.add.message = msg = ldb_msg_copy_shallow(ac->down_req, ac->orig_req->op.add.message);
+ if (ac->down_req->op.add.message == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ /* Some operations below require kerberos contexts */
+ if (smb_krb5_init_context(ac->down_req,
+ ldb_get_opaque(h->module->ldb, "EventContext"),
+ &smb_krb5_context) != 0) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ZERO_STRUCT(io);
+ io.ac = ac;
+ io.domain = domain;
+ io.smb_krb5_context = smb_krb5_context;
+
+ io.u.user_account_control = samdb_result_uint(msg, "userAccountControl", 0);
+ io.u.sAMAccountName = samdb_result_string(msg, "samAccountName", NULL);
+ io.u.user_principal_name = samdb_result_string(msg, "userPrincipalName", NULL);
+ io.u.is_computer = ldb_msg_check_string_attribute(msg, "objectClass", "computer");
+
+ io.n.cleartext = samdb_result_string(msg, "sambaPassword", NULL);
+ io.n.nt_hash = samdb_result_hash(io.ac, msg, "unicodePwd");
+ io.n.lm_hash = samdb_result_hash(io.ac, msg, "dBCSPwd");
+
+ /* remove attributes */
+ if (io.n.cleartext) ldb_msg_remove_attr(msg, "sambaPassword");
+ if (io.n.nt_hash) ldb_msg_remove_attr(msg, "unicodePwd");
+ if (io.n.lm_hash) ldb_msg_remove_attr(msg, "dBCSPwd");
+ ldb_msg_remove_attr(msg, "pwdLastSet");
+ io.o.kvno = samdb_result_uint(msg, "msDs-KeyVersionNumber", 1) - 1;
+ ldb_msg_remove_attr(msg, "msDs-KeyVersionNumber");
+
+ ret = setup_password_fields(&io);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ if (io.g.nt_hash) {
+ ret = samdb_msg_add_hash(ac->module->ldb, ac, msg,
+ "unicodePwd", io.g.nt_hash);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+ if (io.g.lm_hash) {
+ ret = samdb_msg_add_hash(ac->module->ldb, ac, msg,
+ "dBCSPwd", io.g.lm_hash);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+ if (io.g.nt_history_len > 0) {
+ ret = samdb_msg_add_hashes(ac, msg,
+ "ntPwdHistory",
+ io.g.nt_history,
+ io.g.nt_history_len);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+ if (io.g.lm_history_len > 0) {
+ ret = samdb_msg_add_hashes(ac, msg,
+ "lmPwdHistory",
+ io.g.lm_history,
+ io.g.lm_history_len);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+ if (io.g.supplemental.length > 0) {
+ ret = ldb_msg_add_value(msg, "supplementalCredentials",
+ &io.g.supplemental, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+ ret = samdb_msg_add_uint64(ac->module->ldb, ac, msg,
+ "pwdLastSet",
+ io.g.last_set);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ ret = samdb_msg_add_uint(ac->module->ldb, ac, msg,
+ "msDs-KeyVersionNumber",
+ io.g.kvno);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ h->state = LDB_ASYNC_INIT;
+ h->status = LDB_SUCCESS;
+
+ ac->step = PH_ADD_DO_ADD;
+
+ ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->down_req);
+
+ /* perform the operation */
+ return ldb_next_request(ac->module, ac->down_req);
+}
+
+static int password_hash_mod_search_self(struct ldb_handle *h);
+
+static int password_hash_modify(struct ldb_module *module, struct ldb_request *req)
+{
+ struct ldb_handle *h;
+ struct ph_context *ac;
+ struct ldb_message_element *sambaAttr;
+ struct ldb_message_element *ntAttr;
+ struct ldb_message_element *lmAttr;
+ struct ldb_message *msg;
+
+ ldb_debug(module->ldb, LDB_DEBUG_TRACE, "password_hash_modify\n");
+
+ if (ldb_dn_is_special(req->op.mod.message->dn)) { /* do not manipulate our control entries */
+ return ldb_next_request(module, req);
+ }
+
+ /* If the caller is manipulating the local passwords directly, let them pass */
+ if (ldb_dn_compare_base(ldb_dn_new(req, module->ldb, LOCAL_BASE),
+ req->op.mod.message->dn) == 0) {
return ldb_next_request(module, req);
+ }
+
+ /* nobody must touch password Histories */
+ if (ldb_msg_find_element(req->op.add.message, "ntPwdHistory")) {
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+ if (ldb_msg_find_element(req->op.add.message, "lmPwdHistory")) {
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+ if (ldb_msg_find_element(req->op.add.message, "supplementalCredentials")) {
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+
+ sambaAttr = ldb_msg_find_element(req->op.mod.message, "sambaPassword");
+ ntAttr = ldb_msg_find_element(req->op.mod.message, "unicodePwd");
+ lmAttr = ldb_msg_find_element(req->op.mod.message, "dBCSPwd");
+
+ /* If no part of this touches the sambaPassword OR unicodePwd and/or dBCSPwd, then we don't
+ * need to make any changes. For password changes/set there should
+ * be a 'delete' or a 'modify' on this attribute. */
+ if ((!sambaAttr) && (!ntAttr) && (!lmAttr)) {
+ return ldb_next_request(module, req);
+ }
+
+ /* check passwords are single valued here */
+ /* TODO: remove this when passwords will be single valued in schema */
+ if (sambaAttr && (sambaAttr->num_values > 1)) {
+ return LDB_ERR_CONSTRAINT_VIOLATION;
+ }
+ if (ntAttr && (ntAttr->num_values > 1)) {
+ return LDB_ERR_CONSTRAINT_VIOLATION;
+ }
+ if (lmAttr && (lmAttr->num_values > 1)) {
+ return LDB_ERR_CONSTRAINT_VIOLATION;
+ }
+
+ h = ph_init_handle(req, module, PH_MOD);
+ if (!h) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ ac = talloc_get_type(h->private_data, struct ph_context);
+ /* return or own handle to deal with this call */
+ req->handle = h;
+
+ /* prepare the first operation */
+ ac->down_req = talloc_zero(ac, struct ldb_request);
+ if (ac->down_req == NULL) {
+ ldb_set_errstring(module->ldb, "Out of memory!");
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ *(ac->down_req) = *req; /* copy the request */
+
+ /* use a new message structure so that we can modify it */
+ ac->down_req->op.mod.message = msg = ldb_msg_copy_shallow(ac->down_req, req->op.mod.message);
+
+ /* - remove any imodification to the password from the first commit
+ * we will make the real modification later */
+ if (sambaAttr) ldb_msg_remove_attr(msg, "sambaPassword");
+ if (ntAttr) ldb_msg_remove_attr(msg, "unicodePwd");
+ if (lmAttr) ldb_msg_remove_attr(msg, "dBCSPwd");
+
+ /* if there was nothing else to be modify skip to next step */
+ if (msg->num_elements == 0) {
+ talloc_free(ac->down_req);
+ ac->down_req = NULL;
+ return password_hash_mod_search_self(h);
+ }
+
+ ac->down_req->context = NULL;
+ ac->down_req->callback = NULL;
+
+ ac->step = PH_MOD_DO_REQ;
+
+ ldb_set_timeout_from_prev_req(module->ldb, req, ac->down_req);
+
+ return ldb_next_request(module, ac->down_req);
+}
+
+static int get_self_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares)
+{
+ struct ph_context *ac;
+
+ if (!context || !ares) {
+ ldb_set_errstring(ldb, "NULL Context or Result in callback");
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ac = talloc_get_type(context, struct ph_context);
+
+ /* we are interested only in the single reply (base search) we receive here */
+ if (ares->type == LDB_REPLY_ENTRY) {
+ if (ac->search_res != NULL) {
+ ldb_set_errstring(ldb, "Too many results");
+ talloc_free(ares);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ /* if it is not an entry of type person this is an error */
+ /* TODO: remove this when sambaPassword will be in schema */
+ if (!ldb_msg_check_string_attribute(ares->message, "objectClass", "person")) {
+ ldb_set_errstring(ldb, "Object class violation");
+ talloc_free(ares);
+ return LDB_ERR_OBJECT_CLASS_VIOLATION;
+ }
+
+ ac->search_res = talloc_steal(ac, ares);
+ } else {
+ talloc_free(ares);
+ }
+
+ return LDB_SUCCESS;
+}
+
+static int password_hash_mod_search_self(struct ldb_handle *h) {
+
+ struct ph_context *ac;
+ static const char * const attrs[] = { "userAccountControl", "lmPwdHistory",
+ "ntPwdHistory",
+ "objectSid", "msDS-KeyVersionNumber",
+ "objectClass", "userPrincipalName",
+ "sAMAccountName",
+ "dBCSPwd", "unicodePwd",
+ "supplementalCredentials",
+ NULL };
+
+ ac = talloc_get_type(h->private_data, struct ph_context);
+
+ /* prepare the search operation */
+ ac->search_req = talloc_zero(ac, struct ldb_request);
+ if (ac->search_req == NULL) {
+ ldb_debug(ac->module->ldb, LDB_DEBUG_ERROR, "Out of Memory!\n");
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ac->search_req->operation = LDB_SEARCH;
+ ac->search_req->op.search.base = ac->orig_req->op.mod.message->dn;
+ ac->search_req->op.search.scope = LDB_SCOPE_BASE;
+ ac->search_req->op.search.tree = ldb_parse_tree(ac->search_req, NULL);
+ if (ac->search_req->op.search.tree == NULL) {
+ ldb_set_errstring(ac->module->ldb, "Invalid search filter");
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ ac->search_req->op.search.attrs = attrs;
+ ac->search_req->controls = NULL;
+ ac->search_req->context = ac;
+ ac->search_req->callback = get_self_callback;
+ ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->search_req);
+
+ ac->step = PH_MOD_SEARCH_SELF;
+
+ return ldb_next_request(ac->module, ac->search_req);
+}
+
+static int password_hash_mod_search_dom(struct ldb_handle *h) {
+
+ struct ph_context *ac;
+ int ret;
+
+ ac = talloc_get_type(h->private_data, struct ph_context);
+
+ /* get object domain sid */
+ ac->domain_sid = samdb_result_sid_prefix(ac, ac->search_res->message, "objectSid");
+ if (ac->domain_sid == NULL) {
+ ldb_debug(ac->module->ldb, LDB_DEBUG_ERROR, "can't handle entry with missing objectSid!\n");
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ /* get user domain data */
+ ret = build_domain_data_request(ac);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ ac->step = PH_MOD_SEARCH_DOM;
+
+ return ldb_next_request(ac->module, ac->dom_req);
+}
+
+static int password_hash_mod_do_mod(struct ldb_handle *h) {
+
+ struct ph_context *ac;
+ struct domain_data *domain;
+ struct smb_krb5_context *smb_krb5_context;
+ struct ldb_message *msg;
+ struct ldb_message *orig_msg;
+ struct ldb_message *searched_msg;
+ struct setup_password_fields_io io;
+ int ret;
+
+ ac = talloc_get_type(h->private_data, struct ph_context);
+
+ domain = get_domain_data(ac->module, ac, ac->dom_res);
+ if (domain == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ac->mod_req = talloc(ac, struct ldb_request);
+ if (ac->mod_req == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ *(ac->mod_req) = *(ac->orig_req);
+
+ /* use a new message structure so that we can modify it */
+ ac->mod_req->op.mod.message = msg = ldb_msg_new(ac->mod_req);
+ if (msg == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ /* modify dn */
+ msg->dn = ac->orig_req->op.mod.message->dn;
+
+ /* Some operations below require kerberos contexts */
+ if (smb_krb5_init_context(ac->mod_req,
+ ldb_get_opaque(h->module->ldb, "EventContext"),
+ &smb_krb5_context) != 0) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ orig_msg = discard_const(ac->orig_req->op.mod.message);
+ searched_msg = ac->search_res->message;
+
+ ZERO_STRUCT(io);
+ io.ac = ac;
+ io.domain = domain;
+ io.smb_krb5_context = smb_krb5_context;
+
+ io.u.user_account_control = samdb_result_uint(searched_msg, "userAccountControl", 0);
+ io.u.sAMAccountName = samdb_result_string(searched_msg, "samAccountName", NULL);
+ io.u.user_principal_name = samdb_result_string(searched_msg, "userPrincipalName", NULL);
+ io.u.is_computer = ldb_msg_check_string_attribute(searched_msg, "objectClass", "computer");
+
+ io.n.cleartext = samdb_result_string(orig_msg, "sambaPassword", NULL);
+ io.n.nt_hash = samdb_result_hash(io.ac, orig_msg, "unicodePwd");
+ io.n.lm_hash = samdb_result_hash(io.ac, orig_msg, "dBCSPwd");
+
+ io.o.kvno = samdb_result_uint(searched_msg, "msDs-KeyVersionNumber", 0);
+ io.o.nt_history_len = samdb_result_hashes(io.ac, searched_msg, "ntPwdHistory", &io.o.nt_history);
+ io.o.lm_history_len = samdb_result_hashes(io.ac, searched_msg, "lmPwdHistory", &io.o.lm_history);
+ io.o.supplemental = ldb_msg_find_ldb_val(searched_msg, "supplementalCredentials");
+
+ ret = setup_password_fields(&io);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ /* make sure we replace all the old attributes */
+ ret = ldb_msg_add_empty(msg, "unicodePwd", LDB_FLAG_MOD_REPLACE, NULL);
+ ret = ldb_msg_add_empty(msg, "dBCSPwd", LDB_FLAG_MOD_REPLACE, NULL);
+ ret = ldb_msg_add_empty(msg, "ntPwdHistory", LDB_FLAG_MOD_REPLACE, NULL);
+ ret = ldb_msg_add_empty(msg, "lmPwdHistory", LDB_FLAG_MOD_REPLACE, NULL);
+ ret = ldb_msg_add_empty(msg, "supplementalCredentials", LDB_FLAG_MOD_REPLACE, NULL);
+ ret = ldb_msg_add_empty(msg, "pwdLastSet", LDB_FLAG_MOD_REPLACE, NULL);
+ ret = ldb_msg_add_empty(msg, "msDs-KeyVersionNumber", LDB_FLAG_MOD_REPLACE, NULL);
+
+ if (io.g.nt_hash) {
+ ret = samdb_msg_add_hash(ac->module->ldb, ac, msg,
+ "unicodePwd", io.g.nt_hash);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+ if (io.g.lm_hash) {
+ ret = samdb_msg_add_hash(ac->module->ldb, ac, msg,
+ "dBCSPwd", io.g.lm_hash);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+ if (io.g.nt_history_len > 0) {
+ ret = samdb_msg_add_hashes(ac, msg,
+ "ntPwdHistory",
+ io.g.nt_history,
+ io.g.nt_history_len);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+ if (io.g.lm_history_len > 0) {
+ ret = samdb_msg_add_hashes(ac, msg,
+ "lmPwdHistory",
+ io.g.lm_history,
+ io.g.lm_history_len);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+ if (io.g.supplemental.length > 0) {
+ ret = ldb_msg_add_value(msg, "supplementalCredentials",
+ &io.g.supplemental, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+ ret = samdb_msg_add_uint64(ac->module->ldb, ac, msg,
+ "pwdLastSet",
+ io.g.last_set);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ ret = samdb_msg_add_uint(ac->module->ldb, ac, msg,
+ "msDs-KeyVersionNumber",
+ io.g.kvno);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ h->state = LDB_ASYNC_INIT;
+ h->status = LDB_SUCCESS;
+
+ ac->step = PH_MOD_DO_MOD;
+
+ ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->mod_req);
+
+ /* perform the search */
+ return ldb_next_request(ac->module, ac->mod_req);
+}
+
+static int ph_wait(struct ldb_handle *handle) {
+ struct ph_context *ac;
+ int ret;
+
+ if (!handle || !handle->private_data) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ if (handle->state == LDB_ASYNC_DONE) {
+ return handle->status;
+ }
+
+ handle->state = LDB_ASYNC_PENDING;
+ handle->status = LDB_SUCCESS;
+
+ ac = talloc_get_type(handle->private_data, struct ph_context);
+
+ switch (ac->step) {
+ case PH_ADD_SEARCH_DOM:
+ ret = ldb_wait(ac->dom_req->handle, LDB_WAIT_NONE);
+
+ if (ret != LDB_SUCCESS) {
+ handle->status = ret;
+ goto done;
+ }
+ if (ac->dom_req->handle->status != LDB_SUCCESS) {
+ handle->status = ac->dom_req->handle->status;
+ goto done;
+ }
+
+ if (ac->dom_req->handle->state != LDB_ASYNC_DONE) {
+ return LDB_SUCCESS;
+ }
+
+ /* domain search done, go on */
+ return password_hash_add_do_add(handle);
+
+ case PH_ADD_DO_ADD:
+ ret = ldb_wait(ac->down_req->handle, LDB_WAIT_NONE);
+
+ if (ret != LDB_SUCCESS) {
+ handle->status = ret;
+ goto done;
+ }
+ if (ac->down_req->handle->status != LDB_SUCCESS) {
+ handle->status = ac->down_req->handle->status;
+ goto done;
+ }
+
+ if (ac->down_req->handle->state != LDB_ASYNC_DONE) {
+ return LDB_SUCCESS;
+ }
+
+ break;
+
+ case PH_MOD_DO_REQ:
+ ret = ldb_wait(ac->down_req->handle, LDB_WAIT_NONE);
+
+ if (ret != LDB_SUCCESS) {
+ handle->status = ret;
+ goto done;
+ }
+ if (ac->down_req->handle->status != LDB_SUCCESS) {
+ handle->status = ac->down_req->handle->status;
+ goto done;
+ }
+
+ if (ac->down_req->handle->state != LDB_ASYNC_DONE) {
+ return LDB_SUCCESS;
+ }
+
+ /* non-password mods done, go on */
+ return password_hash_mod_search_self(handle);
+
+ case PH_MOD_SEARCH_SELF:
+ ret = ldb_wait(ac->search_req->handle, LDB_WAIT_NONE);
+
+ if (ret != LDB_SUCCESS) {
+ handle->status = ret;
+ goto done;
+ }
+ if (ac->search_req->handle->status != LDB_SUCCESS) {
+ handle->status = ac->search_req->handle->status;
+ goto done;
+ }
+
+ if (ac->search_req->handle->state != LDB_ASYNC_DONE) {
+ return LDB_SUCCESS;
+ }
+
+ if (ac->search_res == NULL) {
+ return LDB_ERR_NO_SUCH_OBJECT;
+ }
+
+ /* self search done, go on */
+ return password_hash_mod_search_dom(handle);
+
+ case PH_MOD_SEARCH_DOM:
+ ret = ldb_wait(ac->dom_req->handle, LDB_WAIT_NONE);
+
+ if (ret != LDB_SUCCESS) {
+ handle->status = ret;
+ goto done;
+ }
+ if (ac->dom_req->handle->status != LDB_SUCCESS) {
+ handle->status = ac->dom_req->handle->status;
+ goto done;
+ }
+
+ if (ac->dom_req->handle->state != LDB_ASYNC_DONE) {
+ return LDB_SUCCESS;
+ }
+
+ /* domain search done, go on */
+ return password_hash_mod_do_mod(handle);
+
+ case PH_MOD_DO_MOD:
+ ret = ldb_wait(ac->mod_req->handle, LDB_WAIT_NONE);
+
+ if (ret != LDB_SUCCESS) {
+ handle->status = ret;
+ goto done;
+ }
+ if (ac->mod_req->handle->status != LDB_SUCCESS) {
+ handle->status = ac->mod_req->handle->status;
+ goto done;
+ }
+
+ if (ac->mod_req->handle->state != LDB_ASYNC_DONE) {
+ return LDB_SUCCESS;
+ }
+
+ break;
+
+ default:
+ ret = LDB_ERR_OPERATIONS_ERROR;
+ goto done;
+ }
+
+ ret = LDB_SUCCESS;
+
+done:
+ handle->state = LDB_ASYNC_DONE;
+ return ret;
+}
+
+static int ph_wait_all(struct ldb_handle *handle) {
+
+ int ret;
+
+ while (handle->state != LDB_ASYNC_DONE) {
+ ret = ph_wait(handle);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ return handle->status;
+}
+
+static int password_hash_wait(struct ldb_handle *handle, enum ldb_wait_type type)
+{
+ if (type == LDB_WAIT_ALL) {
+ return ph_wait_all(handle);
+ } else {
+ return ph_wait(handle);
}
}
static const struct ldb_module_ops password_hash_ops = {
.name = "password_hash",
- .request = password_hash_request
+ .add = password_hash_add,
+ .modify = password_hash_modify,
+ .wait = password_hash_wait
};
git.samba.org / sfrench / samba-autobuild / .git / blobdiff