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fix more memory leaks in the LDAP backend code; patches from metze

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This commit is contained in:
Gerald Carter 0001-01-01 00:00:00 +00:00
parent fd98af75d6
commit e079c8842a
3 changed files with 52 additions and 28 deletions
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2
source/configure.in
View File

@ -166,7 +166,6 @@ AC_SUBST(EXTRA_ALL_TARGETS)
AC_ARG_ENABLE(debug,
[ --enable-debug Turn on compiler debugging information (default=no)],
[if eval "test x$enable_debug = xyes"; then
echo "DEBUGGING TURNED ON!!!!"
CFLAGS="${CFLAGS} -g"
fi])
@ -1635,7 +1634,6 @@ dnl AC_CACHE_CHECK([for working iconv],samba_cv_HAVE_NATIVE_ICONV,[
default_dos_charset=no
default_display_charset=no
default_unix_charset=no
echo
# check for default dos charset name
for j in CP850 IBM850 ; do

60
source/passdb/pdb_ldap.c
View File

@ -5,7 +5,7 @@
Copyright (C) Gerald Carter 2001-2003
Copyright (C) Shahms King 2001
Copyright (C) Andrew Bartlett 2002-2003
Copyright (C) Stefan (metze) Metzmacher 2002
Copyright (C) Stefan (metze) Metzmacher 2002-2003
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
@ -258,7 +258,7 @@ static NTSTATUS ldapsam_delete_entry(struct ldapsam_privates *ldap_state,
char **attrs)
{
int rc;
LDAPMessage *entry;
LDAPMessage *entry = NULL;
LDAPMod **mods = NULL;
char *name, *dn;
BerElement *ptr = NULL;
@ -1017,8 +1017,8 @@ static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, SAM_ACCOUNT
{
NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
LDAPMessage *result;
LDAPMessage *entry;
LDAPMessage *result = NULL;
LDAPMessage *entry = NULL;
int count;
char ** attr_list;
int rc;
@ -1099,8 +1099,8 @@ static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, SAM_ACCOUNT * user, const DOM_SID *sid)
{
struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
LDAPMessage *result;
LDAPMessage *entry;
LDAPMessage *result = NULL;
LDAPMessage *entry = NULL;
int count;
int rc;
fstring sid_string;
@ -1264,7 +1264,7 @@ static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods, SAM_A
struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
const char *sname;
int rc;
LDAPMessage *result;
LDAPMessage *result = NULL;
NTSTATUS ret;
char **attr_list;
fstring objclass;
@ -1328,9 +1328,9 @@ static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, SAM_A
struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
int rc = 0;
char *dn;
LDAPMessage *result;
LDAPMessage *entry;
LDAPMod **mods;
LDAPMessage *result = NULL;
LDAPMessage *entry = NULL;
LDAPMod **mods = NULL;
char **attr_list;
result = pdb_get_backend_private_data(newpwd, my_methods);
@ -1361,13 +1361,14 @@ static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, SAM_A
element_is_changed)) {
DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
SAFE_FREE(dn);
if (mods != NULL)
ldap_mods_free(mods,True);
return NT_STATUS_UNSUCCESSFUL;
}
if (mods == NULL) {
DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
pdb_get_username(newpwd)));
ldap_mods_free(mods, True);
SAFE_FREE(dn);
return NT_STATUS_OK;
}
@ -1458,6 +1459,7 @@ static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, SAM_ACCO
DEBUG(0,("ldapsam_add_sam_account: SID '%s' already in the base, with samba attributes\n",
sid_to_string(sid_string, sid)));
free_attr_list( attr_list );
ldap_msgfree(result);
return NT_STATUS_UNSUCCESSFUL;
}
ldap_msgfree(result);
@ -1514,6 +1516,11 @@ static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, SAM_ACCO
LDAP_OBJ_IDMAP_ENTRY,
LDAP_OBJ_SID_ENTRY);
/* free old result before doing a new search */
if (result != NULL) {
ldap_msgfree(result);
result = NULL;
}
rc = smbldap_search_suffix(ldap_state->smbldap_state,
filter, attr_list, &result);
@ -1566,6 +1573,8 @@ static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, SAM_ACCO
element_is_set_or_changed)) {
DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
ldap_msgfree(result);
if (mods != NULL)
ldap_mods_free(mods,True);
return NT_STATUS_UNSUCCESSFUL;
}
@ -1626,9 +1635,9 @@ static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
&ld_error);
DEBUG(0, ("ldapsam_search_one_group: "
"Problem during the LDAP search: LDAP error: %s (%s)",
"Problem during the LDAP search: LDAP error: %s (%s)\n",
ld_error?ld_error:"(unknown)", ldap_err2string(rc)));
DEBUG(3, ("ldapsam_search_one_group: Query was: %s, %s\n",
DEBUGADD(3, ("ldapsam_search_one_group: Query was: %s, %s\n",
lp_ldap_group_suffix(), filter));
SAFE_FREE(ld_error);
}
@ -1745,8 +1754,8 @@ static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
{
struct ldapsam_privates *ldap_state =
(struct ldapsam_privates *)methods->private_data;
LDAPMessage *result;
LDAPMessage *entry;
LDAPMessage *result = NULL;
LDAPMessage *entry = NULL;
int count;
if (ldapsam_search_one_group(ldap_state, filter, &result)
@ -1957,10 +1966,10 @@ static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
struct ldapsam_privates *ldap_state =
(struct ldapsam_privates *)methods->private_data;
int rc;
char *dn;
LDAPMessage *result;
LDAPMessage *entry;
LDAPMod **mods;
char *dn = NULL;
LDAPMessage *result = NULL;
LDAPMessage *entry = NULL;
LDAPMod **mods = NULL;
rc = ldapsam_search_one_group_by_gid(ldap_state, map->gid, &result);
@ -1980,6 +1989,8 @@ static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
result, &mods, map)) {
DEBUG(0, ("ldapsam_update_group_mapping_entry: init_ldap_from_group failed\n"));
ldap_msgfree(result);
if (mods != NULL)
ldap_mods_free(mods,True);
return NT_STATUS_UNSUCCESSFUL;
}
@ -2022,7 +2033,7 @@ static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
{
struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)methods->private_data;
pstring sidstring, filter;
LDAPMessage *result;
LDAPMessage *result = NULL;
int rc;
NTSTATUS ret;
char **attr_list;
@ -2176,6 +2187,11 @@ static void free_private_data(void **vp)
smbldap_free_struct(&(*ldap_state)->smbldap_state);
if ((*ldap_state)->result != NULL) {
ldap_msgfree((*ldap_state)->result);
(*ldap_state)->result = NULL;
}
*ldap_state = NULL;
/* No need to free any further, as it is talloc()ed */
@ -2342,8 +2358,8 @@ and will risk BDCs having inconsistant SIDs\n"));
alg_rid_base_string)) {
alg_rid_base = (uint32)atol(alg_rid_base_string);
if (alg_rid_base != algorithmic_rid_base()) {
DEBUG(0, ("pdb_init_ldapsam: The value of 'algorithmic RID base' has changed since the LDAP\n\
database was initialised. Aborting. \n"));
DEBUG(0, ("The value of 'algorithmic RID base' has changed since the LDAP\n"
"database was initialised. Aborting. \n"));
ldap_msgfree(result);
return NT_STATUS_UNSUCCESSFUL;
}

16
source/sam/idmap_ldap.c
View File

@ -234,6 +234,7 @@ static NTSTATUS ldap_next_rid(struct ldap_idmap_state *state, uint32 *rid,
next_rid = *rid+1;
if (next_rid >= alg_rid_base) {
ldap_msgfree(domain_result);
return NT_STATUS_UNSUCCESSFUL;
}
@ -382,7 +383,7 @@ static NTSTATUS ldap_allocate_id(unid_t *id, int id_type)
pstring id_str, new_id_str;
LDAPMod **mods = NULL;
const char *type;
char *dn;
char *dn = NULL;
char **attr_list;
pstring filter;
uid_t luid, huid;
@ -456,11 +457,14 @@ static NTSTATUS ldap_allocate_id(unid_t *id, int id_type)
smbldap_set_mod( &mods, LDAP_MOD_DELETE, type, id_str );
smbldap_set_mod( &mods, LDAP_MOD_ADD, type, new_id_str );
if (mods == NULL) {
DEBUG(0,("ldap_allocate_id: smbldap_set_mod() failed.\n"));
goto out;
}
rc = smbldap_modify(ldap_state.smbldap_state, dn, mods);
SAFE_FREE(dn);
ldap_mods_free( mods, True );
if (rc != LDAP_SUCCESS) {
DEBUG(0,("ldap_allocate_id: Failed to allocate new %s. ldap_modify() failed.\n",
type));
@ -469,6 +473,10 @@ static NTSTATUS ldap_allocate_id(unid_t *id, int id_type)
ret = NT_STATUS_OK;
out:
SAFE_FREE(dn);
if (result != NULL)
ldap_msgfree(result);
return ret;
}
@ -683,6 +691,8 @@ static NTSTATUS verify_idpool( void )
count = ldap_count_entries(ldap_state.smbldap_state->ldap_struct, result);
ldap_msgfree(result);
if ( count > 1 ) {
DEBUG(0,("ldap_idmap_init: multiple entries returned from %s (base == %s)\n",
filter, lp_ldap_idmap_suffix() ));