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8ea0dd1a38
Signed-off-by: Samuel Cabrero <scabrero@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
255 lines
6.8 KiB
C
255 lines
6.8 KiB
C
/*
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Unix SMB/CIFS implementation.
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Samba utility functions. ADS stuff
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Copyright (C) Alexey Kotovich 2002
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "ads.h"
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#include "libads/ldap_schema.h"
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#include "../libcli/security/secace.h"
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#include "../librpc/ndr/libndr.h"
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#include "libcli/security/dom_sid.h"
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/* for ADS */
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#define SEC_RIGHTS_FULL_CTRL 0xf01ff
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#ifdef HAVE_LDAP
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static struct perm_mask_str {
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uint32_t mask;
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const char *str;
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} perms[] = {
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{SEC_RIGHTS_FULL_CTRL, "[Full Control]"},
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{SEC_ADS_LIST, "[List Contents]"},
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{SEC_ADS_LIST_OBJECT, "[List Object]"},
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{SEC_ADS_READ_PROP, "[Read All Properties]"},
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{SEC_STD_READ_CONTROL, "[Read Permissions]"},
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{SEC_ADS_SELF_WRITE, "[All validate writes]"},
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{SEC_ADS_WRITE_PROP, "[Write All Properties]"},
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{SEC_STD_WRITE_DAC, "[Modify Permissions]"},
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{SEC_STD_WRITE_OWNER, "[Modify Owner]"},
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{SEC_ADS_CREATE_CHILD, "[Create All Child Objects]"},
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{SEC_STD_DELETE, "[Delete]"},
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{SEC_ADS_DELETE_TREE, "[Delete Subtree]"},
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{SEC_ADS_DELETE_CHILD, "[Delete All Child Objects]"},
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{SEC_ADS_CONTROL_ACCESS, "[Change Password]"},
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{SEC_ADS_CONTROL_ACCESS, "[Reset Password]"},
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{0, 0}
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};
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/* convert a security permissions into a string */
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static void ads_disp_perms(uint32_t type)
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{
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int i = 0;
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int j = 0;
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printf("Permissions: ");
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if (type == SEC_RIGHTS_FULL_CTRL) {
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printf("%s\n", perms[j].str);
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return;
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}
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for (i = 0; i < 32; i++) {
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if (type & ((uint32_t)1 << i)) {
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for (j = 1; perms[j].str; j ++) {
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if (perms[j].mask == (((unsigned) 1) << i)) {
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printf("\n\t%s (0x%08x)", perms[j].str, perms[j].mask);
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}
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}
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type &= ~(1 << i);
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}
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}
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/* remaining bits get added on as-is */
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if (type != 0) {
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printf("[%08x]", type);
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}
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puts("");
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}
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static const char *ads_interprete_guid_from_object(ADS_STRUCT *ads,
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TALLOC_CTX *mem_ctx,
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const struct GUID *guid)
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{
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const char *ret = NULL;
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if (!ads || !mem_ctx) {
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return NULL;
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}
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ret = ads_get_attrname_by_guid(ads, ads->config.schema_path,
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mem_ctx, guid);
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if (ret) {
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return talloc_asprintf(mem_ctx, "LDAP attribute: \"%s\"", ret);
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}
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ret = ads_get_extended_right_name_by_guid(ads, ads->config.config_path,
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mem_ctx, guid);
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if (ret) {
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return talloc_asprintf(mem_ctx, "Extended right: \"%s\"", ret);
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}
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return ret;
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}
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static void ads_disp_sec_ace_object(ADS_STRUCT *ads,
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TALLOC_CTX *mem_ctx,
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struct security_ace_object *object)
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{
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if (object->flags & SEC_ACE_OBJECT_TYPE_PRESENT) {
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printf("Object type: SEC_ACE_OBJECT_TYPE_PRESENT\n");
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printf("Object GUID: %s (%s)\n", GUID_string(mem_ctx,
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&object->type.type),
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ads_interprete_guid_from_object(ads, mem_ctx,
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&object->type.type));
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}
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if (object->flags & SEC_ACE_INHERITED_OBJECT_TYPE_PRESENT) {
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printf("Object type: SEC_ACE_INHERITED_OBJECT_TYPE_PRESENT\n");
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printf("Object GUID: %s (%s)\n", GUID_string(mem_ctx,
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&object->inherited_type.inherited_type),
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ads_interprete_guid_from_object(ads, mem_ctx,
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&object->inherited_type.inherited_type));
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}
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}
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/* display ACE */
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static void ads_disp_ace(ADS_STRUCT *ads, TALLOC_CTX *mem_ctx, struct security_ace *sec_ace)
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{
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const char *access_type = "UNKNOWN";
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struct dom_sid_buf sidbuf;
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if (!sec_ace_object(sec_ace->type)) {
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printf("------- ACE (type: 0x%02x, flags: 0x%02x, size: 0x%02x, mask: 0x%x)\n",
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sec_ace->type,
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sec_ace->flags,
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sec_ace->size,
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sec_ace->access_mask);
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} else {
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printf("------- ACE (type: 0x%02x, flags: 0x%02x, size: 0x%02x, mask: 0x%x, object flags: 0x%x)\n",
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sec_ace->type,
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sec_ace->flags,
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sec_ace->size,
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sec_ace->access_mask,
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sec_ace->object.object.flags);
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}
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if (sec_ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED) {
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access_type = "ALLOWED";
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} else if (sec_ace->type == SEC_ACE_TYPE_ACCESS_DENIED) {
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access_type = "DENIED";
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} else if (sec_ace->type == SEC_ACE_TYPE_SYSTEM_AUDIT) {
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access_type = "SYSTEM AUDIT";
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} else if (sec_ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT) {
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access_type = "ALLOWED OBJECT";
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} else if (sec_ace->type == SEC_ACE_TYPE_ACCESS_DENIED_OBJECT) {
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access_type = "DENIED OBJECT";
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} else if (sec_ace->type == SEC_ACE_TYPE_SYSTEM_AUDIT_OBJECT) {
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access_type = "AUDIT OBJECT";
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}
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printf("access SID: %s\naccess type: %s\n",
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dom_sid_str_buf(&sec_ace->trustee, &sidbuf),
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access_type);
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if (sec_ace_object(sec_ace->type)) {
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ads_disp_sec_ace_object(ads, mem_ctx, &sec_ace->object.object);
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}
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ads_disp_perms(sec_ace->access_mask);
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}
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/* display ACL */
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static void ads_disp_acl(struct security_acl *sec_acl, const char *type)
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{
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if (!sec_acl)
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printf("------- (%s) ACL not present\n", type);
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else {
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printf("------- (%s) ACL (revision: %d, size: %d, number of ACEs: %d)\n",
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type,
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sec_acl->revision,
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sec_acl->size,
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sec_acl->num_aces);
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}
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}
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/* display SD */
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void ads_disp_sd(ADS_STRUCT *ads, TALLOC_CTX *mem_ctx, struct security_descriptor *sd)
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{
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uint32_t i;
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char *tmp_path = NULL;
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struct dom_sid_buf buf;
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if (!sd) {
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return;
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}
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if (ads && !ads->config.schema_path) {
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if (ADS_ERR_OK(ads_schema_path(ads, mem_ctx, &tmp_path))) {
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ads->config.schema_path = talloc_strdup(ads, tmp_path);
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if (ads->config.schema_path == NULL) {
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DBG_WARNING("Out of memory\n");
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}
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}
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}
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if (ads && !ads->config.config_path) {
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if (ADS_ERR_OK(ads_config_path(ads, mem_ctx, &tmp_path))) {
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ads->config.config_path = talloc_strdup(ads, tmp_path);
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if (ads->config.config_path == NULL) {
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DBG_WARNING("Out of memory\n");
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}
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}
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}
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printf("-------------- Security Descriptor (revision: %d, type: 0x%02x)\n",
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sd->revision,
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sd->type);
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printf("owner SID: %s\n", sd->owner_sid ?
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dom_sid_str_buf(sd->owner_sid, &buf) : "(null)");
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printf("group SID: %s\n", sd->group_sid ?
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dom_sid_str_buf(sd->group_sid, &buf) : "(null)");
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ads_disp_acl(sd->sacl, "system");
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if (sd->sacl) {
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for (i = 0; i < sd->sacl->num_aces; i ++) {
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ads_disp_ace(ads, mem_ctx, &sd->sacl->aces[i]);
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}
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}
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ads_disp_acl(sd->dacl, "user");
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if (sd->dacl) {
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for (i = 0; i < sd->dacl->num_aces; i ++) {
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ads_disp_ace(ads, mem_ctx, &sd->dacl->aces[i]);
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}
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}
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printf("-------------- End Of Security Descriptor\n");
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}
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#endif
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