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/*
Unix SMB/CIFS implementation.
Samba utility functions. ADS stuff
Copyright (C) Alexey Kotovich 2002
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
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "ads.h"
#include "libads/ldap_schema.h"
#include "../libcli/security/secace.h"
#include "../librpc/ndr/libndr.h"
#include "libcli/security/dom_sid.h"
/* for ADS */
#define SEC_RIGHTS_FULL_CTRL 0xf01ff
#ifdef HAVE_LDAP
static struct perm_mask_str {
uint32_t mask;
const char *str;
} perms[] = {
{SEC_RIGHTS_FULL_CTRL, "[Full Control]"},
{SEC_ADS_LIST, "[List Contents]"},
{SEC_ADS_LIST_OBJECT, "[List Object]"},
{SEC_ADS_READ_PROP, "[Read All Properties]"},
{SEC_STD_READ_CONTROL, "[Read Permissions]"},
{SEC_ADS_SELF_WRITE, "[All validate writes]"},
{SEC_ADS_WRITE_PROP, "[Write All Properties]"},
{SEC_STD_WRITE_DAC, "[Modify Permissions]"},
{SEC_STD_WRITE_OWNER, "[Modify Owner]"},
{SEC_ADS_CREATE_CHILD, "[Create All Child Objects]"},
{SEC_STD_DELETE, "[Delete]"},
{SEC_ADS_DELETE_TREE, "[Delete Subtree]"},
{SEC_ADS_DELETE_CHILD, "[Delete All Child Objects]"},
{SEC_ADS_CONTROL_ACCESS, "[Change Password]"},
{SEC_ADS_CONTROL_ACCESS, "[Reset Password]"},
{0, 0}
};
/* convert a security permissions into a string */
static void ads_disp_perms(uint32_t type)
{
int i = 0;
int j = 0;
printf("Permissions: ");
if (type == SEC_RIGHTS_FULL_CTRL) {
printf("%s\n", perms[j].str);
return;
}
for (i = 0; i < 32; i++) {
if (type & ((uint32_t)1 << i)) {
for (j = 1; perms[j].str; j ++) {
if (perms[j].mask == (((unsigned) 1) << i)) {
printf("\n\t%s (0x%08x)", perms[j].str, perms[j].mask);
}
}
type &= ~(1 << i);
}
}
/* remaining bits get added on as-is */
if (type != 0) {
printf("[%08x]", type);
}
puts("");
}
static const char *ads_interprete_guid_from_object(ADS_STRUCT *ads,
TALLOC_CTX *mem_ctx,
const struct GUID *guid)
{
const char *ret = NULL;
if (!ads || !mem_ctx) {
return NULL;
}
ret = ads_get_attrname_by_guid(ads, ads->config.schema_path,
mem_ctx, guid);
if (ret) {
return talloc_asprintf(mem_ctx, "LDAP attribute: \"%s\"", ret);
}
ret = ads_get_extended_right_name_by_guid(ads, ads->config.config_path,
mem_ctx, guid);
if (ret) {
return talloc_asprintf(mem_ctx, "Extended right: \"%s\"", ret);
}
return ret;
}
static void ads_disp_sec_ace_object(ADS_STRUCT *ads,
TALLOC_CTX *mem_ctx,
struct security_ace_object *object)
{
if (object->flags & SEC_ACE_OBJECT_TYPE_PRESENT) {
printf("Object type: SEC_ACE_OBJECT_TYPE_PRESENT\n");
printf("Object GUID: %s (%s)\n", GUID_string(mem_ctx,
&object->type.type),
ads_interprete_guid_from_object(ads, mem_ctx,
&object->type.type));
}
if (object->flags & SEC_ACE_INHERITED_OBJECT_TYPE_PRESENT) {
printf("Object type: SEC_ACE_INHERITED_OBJECT_TYPE_PRESENT\n");
printf("Object GUID: %s (%s)\n", GUID_string(mem_ctx,
&object->inherited_type.inherited_type),
ads_interprete_guid_from_object(ads, mem_ctx,
&object->inherited_type.inherited_type));
}
}
/* display ACE */
static void ads_disp_ace(ADS_STRUCT *ads, TALLOC_CTX *mem_ctx, struct security_ace *sec_ace)
{
const char *access_type = "UNKNOWN";
struct dom_sid_buf sidbuf;
if (!sec_ace_object(sec_ace->type)) {
printf("------- ACE (type: 0x%02x, flags: 0x%02x, size: 0x%02x, mask: 0x%x)\n",
sec_ace->type,
sec_ace->flags,
sec_ace->size,
sec_ace->access_mask);
} else {
printf("------- ACE (type: 0x%02x, flags: 0x%02x, size: 0x%02x, mask: 0x%x, object flags: 0x%x)\n",
sec_ace->type,
sec_ace->flags,
sec_ace->size,
sec_ace->access_mask,
sec_ace->object.object.flags);
}
if (sec_ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED) {
access_type = "ALLOWED";
} else if (sec_ace->type == SEC_ACE_TYPE_ACCESS_DENIED) {
access_type = "DENIED";
} else if (sec_ace->type == SEC_ACE_TYPE_SYSTEM_AUDIT) {
access_type = "SYSTEM AUDIT";
} else if (sec_ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT) {
access_type = "ALLOWED OBJECT";
} else if (sec_ace->type == SEC_ACE_TYPE_ACCESS_DENIED_OBJECT) {
access_type = "DENIED OBJECT";
} else if (sec_ace->type == SEC_ACE_TYPE_SYSTEM_AUDIT_OBJECT) {
access_type = "AUDIT OBJECT";
}
printf("access SID: %s\naccess type: %s\n",
dom_sid_str_buf(&sec_ace->trustee, &sidbuf),
access_type);
if (sec_ace_object(sec_ace->type)) {
ads_disp_sec_ace_object(ads, mem_ctx, &sec_ace->object.object);
}
ads_disp_perms(sec_ace->access_mask);
}
/* display ACL */
static void ads_disp_acl(struct security_acl *sec_acl, const char *type)
{
if (!sec_acl)
printf("------- (%s) ACL not present\n", type);
else {
printf("------- (%s) ACL (revision: %d, size: %d, number of ACEs: %d)\n",
type,
sec_acl->revision,
sec_acl->size,
sec_acl->num_aces);
}
}
/* display SD */
void ads_disp_sd(ADS_STRUCT *ads, TALLOC_CTX *mem_ctx, struct security_descriptor *sd)
{
uint32_t i;
char *tmp_path = NULL;
struct dom_sid_buf buf;
if (!sd) {
return;
}
if (ads && !ads->config.schema_path) {
if (ADS_ERR_OK(ads_schema_path(ads, mem_ctx, &tmp_path))) {
ads->config.schema_path = SMB_STRDUP(tmp_path);
}
}
if (ads && !ads->config.config_path) {
if (ADS_ERR_OK(ads_config_path(ads, mem_ctx, &tmp_path))) {
ads->config.config_path = SMB_STRDUP(tmp_path);
}
}
printf("-------------- Security Descriptor (revision: %d, type: 0x%02x)\n",
sd->revision,
sd->type);
printf("owner SID: %s\n", sd->owner_sid ?
dom_sid_str_buf(sd->owner_sid, &buf) : "(null)");
printf("group SID: %s\n", sd->group_sid ?
dom_sid_str_buf(sd->group_sid, &buf) : "(null)");
ads_disp_acl(sd->sacl, "system");
if (sd->sacl) {
for (i = 0; i < sd->sacl->num_aces; i ++) {
ads_disp_ace(ads, mem_ctx, &sd->sacl->aces[i]);
}
}
ads_disp_acl(sd->dacl, "user");
if (sd->dacl) {
for (i = 0; i < sd->dacl->num_aces; i ++) {
ads_disp_ace(ads, mem_ctx, &sd->dacl->aces[i]);
}
}
printf("-------------- End Of Security Descriptor\n");
}
#endif
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