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s4:dsdb/password_hash: move the check for old passwords into setup_io()

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We get everything else of the existing object there too.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=9654

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This commit is contained in:
Stefan Metzmacher 2016-05-31 09:43:57 +02:00 committed by Andrew Bartlett
parent 5e48dbbf2a
commit 02be8a1e8b
1 changed files with 45 additions and 42 deletions
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87
source4/dsdb/samdb/ldb_modules/password_hash.c
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@ -2664,6 +2664,51 @@ static int setup_io(struct ph_context *ac,
return ldb_operr(ldb);
}
if (existing_msg != NULL) {
NTSTATUS status;
if (ac->pwd_reset) {
/* Get the old password from the database */
status = samdb_result_passwords_no_lockout(ac,
lp_ctx,
existing_msg,
&io->o.lm_hash,
&io->o.nt_hash);
} else {
/* Get the old password from the database */
status = samdb_result_passwords(ac,
lp_ctx,
existing_msg,
&io->o.lm_hash,
&io->o.nt_hash);
}
if (NT_STATUS_EQUAL(status, NT_STATUS_ACCOUNT_LOCKED_OUT)) {
return dsdb_module_werror(ac->module,
LDB_ERR_CONSTRAINT_VIOLATION,
WERR_ACCOUNT_LOCKED_OUT,
"Password change not permitted,"
" account locked out!");
}
if (!NT_STATUS_IS_OK(status)) {
/*
* This only happens if the database has gone weird,
* not if we are just missing the passwords
*/
return ldb_operr(ldb);
}
io->o.nt_history_len = samdb_result_hashes(ac, existing_msg,
"ntPwdHistory",
&io->o.nt_history);
io->o.lm_history_len = samdb_result_hashes(ac, existing_msg,
"lmPwdHistory",
&io->o.lm_history);
io->o.supplemental = ldb_msg_find_ldb_val(existing_msg,
"supplementalCredentials");
}
return LDB_SUCCESS;
}
@ -3408,15 +3453,10 @@ static int password_hash_mod_search_self(struct ph_context *ac)
static int password_hash_mod_do_mod(struct ph_context *ac)
{
struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
struct loadparm_context *lp_ctx =
talloc_get_type(ldb_get_opaque(ldb, "loadparm"),
struct loadparm_context);
struct ldb_request *mod_req;
struct ldb_message *msg;
const struct ldb_message *searched_msg;
struct setup_password_fields_io io;
int ret;
NTSTATUS status;
/* use a new message structure so that we can modify it */
msg = ldb_msg_new(ac);
@ -3427,49 +3467,12 @@ static int password_hash_mod_do_mod(struct ph_context *ac)
/* modify dn */
msg->dn = ac->req->op.mod.message->dn;
searched_msg = ac->search_res->message;
/* Prepare the internal data structure containing the passwords */
ret = setup_io(ac, ac->req->op.mod.message,
ac->search_res->message, &io);
if (ret != LDB_SUCCESS) {
return ret;
}
if (io.ac->pwd_reset) {
/* Get the old password from the database */
status = samdb_result_passwords_no_lockout(io.ac,
lp_ctx,
discard_const_p(struct ldb_message, searched_msg),
&io.o.lm_hash,
&io.o.nt_hash);
} else {
/* Get the old password from the database */
status = samdb_result_passwords(io.ac,
lp_ctx,
discard_const_p(struct ldb_message, searched_msg),
&io.o.lm_hash, &io.o.nt_hash);
}
if (NT_STATUS_EQUAL(status, NT_STATUS_ACCOUNT_LOCKED_OUT)) {
ldb_asprintf_errstring(ldb,
"%08X: check_password: "
"Password change not permitted, account locked out!",
W_ERROR_V(WERR_ACCOUNT_LOCKED_OUT));
return LDB_ERR_CONSTRAINT_VIOLATION;
}
if (!NT_STATUS_IS_OK(status)) {
/*
* This only happens if the database has gone weird,
* not if we are just missing the passwords
*/
return ldb_operr(ldb);
}
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) {