diff options
Diffstat (limited to 'source3/sam/gums_helper.c')
| -rw-r--r-- | source3/sam/gums_helper.c | 610 |
1 files changed, 0 insertions, 610 deletions
diff --git a/source3/sam/gums_helper.c b/source3/sam/gums_helper.c deleted file mode 100644 index c22e6cf7ff..0000000000 --- a/source3/sam/gums_helper.c +++ /dev/null @@ -1,610 +0,0 @@ -/* - Unix SMB/CIFS implementation. - GUMS backends helper functions - Copyright (C) Simo Sorce 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 2 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, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -#include "includes.h" - -extern GUMS_FUNCTIONS *gums_storage; - -extern DOM_SID global_sid_World; -extern DOM_SID global_sid_Builtin_Administrators; -extern DOM_SID global_sid_Builtin_Power_Users; -extern DOM_SID global_sid_Builtin_Account_Operators; -extern DOM_SID global_sid_Builtin_Server_Operators; -extern DOM_SID global_sid_Builtin_Print_Operators; -extern DOM_SID global_sid_Builtin_Backup_Operators; -extern DOM_SID global_sid_Builtin_Replicator; -extern DOM_SID global_sid_Builtin_Users; -extern DOM_SID global_sid_Builtin_Guests; - - -/* defines */ - -#define ALLOC_CHECK(str, ptr, err, label) do { if ((ptr) == NULL) { DEBUG(0, ("%s: out of memory!\n", str)); err = NT_STATUS_NO_MEMORY; goto label; } } while(0) -#define NTSTATUS_CHECK(str1, str2, err, label) do { if (NT_STATUS_IS_ERR(err)) { DEBUG(0, ("%s: %s failed!\n", str1, str2)); } } while(0) - -/**************************************************************************** - Check if a user is a mapped group. - - This function will check if the group SID is mapped onto a - system managed gid or onto a winbind manged sid. - In the first case it will be threated like a mapped group - and the backend should take the member list with a getgrgid - and ignore any user that have been possibly set into the group - object. - - In the second case, the group is a fully SAM managed group - served back to the system through winbind. In this case the - members of a Local group are "unrolled" to cope with the fact - that unix cannot contain groups inside groups. - The backend MUST never call any getgr* / getpw* function or - loops with winbind may happen. - ****************************************************************************/ - -#if 0 -NTSTATUS is_mapped_group(BOOL *mapped, const DOM_SID *sid) -{ - NTSTATUS result; - gid_t id; - - /* look if mapping exist, do not make idmap alloc an uid if SID is not found */ - result = idmap_get_gid_from_sid(&id, sid, False); - if (NT_STATUS_IS_OK(result)) { - *mapped = gid_is_in_winbind_range(id); - } else { - *mapped = False; - } - - return result; -} -#endif - -/**************************************************************************** - duplicate alloc luid_attr - ****************************************************************************/ -NTSTATUS dupalloc_luid_attr(TALLOC_CTX *ctx, LUID_ATTR **new_la, LUID_ATTR old_la) -{ - *new_la = (LUID_ATTR *)talloc(ctx, sizeof(LUID_ATTR)); - if (*new_la == NULL) { - DEBUG(0,("dupalloc_luid_attr: could not Alloc memory to duplicate LUID_ATTR\n")); - return NT_STATUS_NO_MEMORY; - } - - (*new_la)->luid.high = old_la.luid.high; - (*new_la)->luid.low = old_la.luid.low; - (*new_la)->attr = old_la.attr; - - return NT_STATUS_OK; -} - -/**************************************************************************** - initialise a privilege list - ****************************************************************************/ -void gums_init_privilege(PRIVILEGE_SET *priv_set) -{ - priv_set->count=0; - priv_set->control=0; - priv_set->set=NULL; -} - -/**************************************************************************** - add a privilege to a privilege array - ****************************************************************************/ -NTSTATUS gums_add_privilege(PRIVILEGE_SET *priv_set, TALLOC_CTX *ctx, LUID_ATTR set) -{ - LUID_ATTR *new_set; - - /* check if the privilege is not already in the list */ - if (gums_check_priv_in_privilege(priv_set, set)) - return NT_STATUS_UNSUCCESSFUL; - - /* we can allocate memory to add the new privilege */ - - new_set=(LUID_ATTR *)talloc_realloc(ctx, priv_set->set, (priv_set->count+1)*(sizeof(LUID_ATTR))); - if (new_set==NULL) { - DEBUG(0,("add_privilege: could not Realloc memory to add a new privilege\n")); - return NT_STATUS_NO_MEMORY; - } - - new_set[priv_set->count].luid.high=set.luid.high; - new_set[priv_set->count].luid.low=set.luid.low; - new_set[priv_set->count].attr=set.attr; - - priv_set->count++; - priv_set->set=new_set; - - return NT_STATUS_OK; -} - -/**************************************************************************** - add all the privileges to a privilege array - ****************************************************************************/ -NTSTATUS gums_add_all_privilege(PRIVILEGE_SET *priv_set, TALLOC_CTX *ctx) -{ - NTSTATUS result = NT_STATUS_OK; - LUID_ATTR set; - - set.attr=0; - set.luid.high=0; - - set.luid.low=SE_PRIV_ADD_USERS; - result = gums_add_privilege(priv_set, ctx, set); - NTSTATUS_CHECK("add_all_privilege", "add_privilege", result, done); - - set.luid.low=SE_PRIV_ADD_MACHINES; - result = gums_add_privilege(priv_set, ctx, set); - NTSTATUS_CHECK("add_all_privilege", "add_privilege", result, done); - - set.luid.low=SE_PRIV_PRINT_OPERATOR; - result = gums_add_privilege(priv_set, ctx, set); - NTSTATUS_CHECK("add_all_privilege", "add_privilege", result, done); - -done: - return result; -} - -/**************************************************************************** - check if the privilege list is empty - ****************************************************************************/ -BOOL gums_check_empty_privilege(PRIVILEGE_SET *priv_set) -{ - return (priv_set->count == 0); -} - -/**************************************************************************** - check if the privilege is in the privilege list - ****************************************************************************/ -BOOL gums_check_priv_in_privilege(PRIVILEGE_SET *priv_set, LUID_ATTR set) -{ - int i; - - /* if the list is empty, obviously we can't have it */ - if (gums_check_empty_privilege(priv_set)) - return False; - - for (i=0; i<priv_set->count; i++) { - LUID_ATTR *cur_set; - - cur_set=&priv_set->set[i]; - /* check only the low and high part. Checking the attr field has no meaning */ - if( (cur_set->luid.low==set.luid.low) && (cur_set->luid.high==set.luid.high) ) - return True; - } - - return False; -} - -/**************************************************************************** - remove a privilege from a privilege array - ****************************************************************************/ -NTSTATUS gums_remove_privilege(PRIVILEGE_SET *priv_set, TALLOC_CTX *ctx, LUID_ATTR set) -{ - LUID_ATTR *new_set; - LUID_ATTR *old_set; - int i,j; - - /* check if the privilege is in the list */ - if (!gums_check_priv_in_privilege(priv_set, set)) - return NT_STATUS_UNSUCCESSFUL; - - /* special case if it's the only privilege in the list */ - if (priv_set->count==1) { - gums_init_privilege(priv_set); - return NT_STATUS_OK; - } - - /* - * the privilege is there, create a new list, - * and copy the other privileges - */ - - old_set = priv_set->set; - - new_set=(LUID_ATTR *)talloc(ctx, (priv_set->count - 1) * (sizeof(LUID_ATTR))); - if (new_set==NULL) { - DEBUG(0,("remove_privilege: could not malloc memory for new privilege list\n")); - return NT_STATUS_NO_MEMORY; - } - - for (i=0, j=0; i<priv_set->count; i++) { - if ((old_set[i].luid.low == set.luid.low) && - (old_set[i].luid.high == set.luid.high)) { - continue; - } - - new_set[j].luid.low = old_set[i].luid.low; - new_set[j].luid.high = old_set[i].luid.high; - new_set[j].attr = old_set[i].attr; - - j++; - } - - if (j != priv_set->count - 1) { - DEBUG(0,("remove_privilege: mismatch ! difference is not -1\n")); - DEBUGADD(0,("old count:%d, new count:%d\n", priv_set->count, j)); - return NT_STATUS_INTERNAL_ERROR; - } - - /* ok everything is fine */ - - priv_set->count--; - priv_set->set=new_set; - - return NT_STATUS_OK; -} - -/**************************************************************************** - duplicates a privilege array - ****************************************************************************/ -NTSTATUS gums_dup_priv_set(PRIVILEGE_SET **new_priv_set, TALLOC_CTX *mem_ctx, PRIVILEGE_SET *priv_set) -{ - LUID_ATTR *new_set; - LUID_ATTR *old_set; - int i; - - *new_priv_set = (PRIVILEGE_SET *)talloc(mem_ctx, sizeof(PRIVILEGE_SET)); - gums_init_privilege(*new_priv_set); - - /* special case if there are no privileges in the list */ - if (priv_set->count == 0) { - return NT_STATUS_OK; - } - - /* - * create a new list, - * and copy the other privileges - */ - - old_set = priv_set->set; - - new_set = (LUID_ATTR *)talloc(mem_ctx, (priv_set->count - 1) * (sizeof(LUID_ATTR))); - if (new_set==NULL) { - DEBUG(0,("remove_privilege: could not malloc memory for new privilege list\n")); - return NT_STATUS_NO_MEMORY; - } - - for (i=0; i < priv_set->count; i++) { - - new_set[i].luid.low = old_set[i].luid.low; - new_set[i].luid.high = old_set[i].luid.high; - new_set[i].attr = old_set[i].attr; - } - - (*new_priv_set)->count = priv_set->count; - (*new_priv_set)->control = priv_set->control; - (*new_priv_set)->set = new_set; - - return NT_STATUS_OK; -} - -#define ALIAS_DEFAULT_SACL_SA_RIGHTS 0x01050013 -#define ALIAS_DEFAULT_DACL_SA_RIGHTS \ - (READ_CONTROL_ACCESS | \ - SA_RIGHT_ALIAS_LOOKUP_INFO | \ - SA_RIGHT_ALIAS_GET_MEMBERS) /* 0x0002000c */ - -#define ALIAS_DEFAULT_SACL_SEC_ACE_FLAG (SEC_ACE_FLAG_FAILED_ACCESS | SEC_ACE_FLAG_SUCCESSFUL_ACCESS) /* 0xc0 */ - - -#if 0 -NTSTATUS create_builtin_alias_default_sec_desc(SEC_DESC **sec_desc, TALLOC_CTX *ctx) -{ - DOM_SID *world = &global_sid_World; - DOM_SID *admins = &global_sid_Builtin_Administrators; - SEC_ACCESS sa; - SEC_ACE sacl_ace; - SEC_ACE dacl_aces[2]; - SEC_ACL *sacl = NULL; - SEC_ACL *dacl = NULL; - size_t psize; - - init_sec_access(&sa, ALIAS_DEFAULT_SACL_SA_RIGHTS); - init_sec_ace(&sacl_ace, world, SEC_ACE_TYPE_SYSTEM_AUDIT, sa, ALIAS_DEFAULT_SACL_SEC_ACE_FLAG); - - sacl = make_sec_acl(ctx, NT4_ACL_REVISION, 1, &sacl_ace); - if (!sacl) { - DEBUG(0, ("build_init_sec_desc: Failed to make SEC_ACL.\n")); - return NT_STATUS_NO_MEMORY; - } - - init_sec_access(&sa, ALIAS_DEFAULT_DACL_SA_RIGHTS); - init_sec_ace(&(dacl_aces[0]), world, SEC_ACE_TYPE_ACCESS_ALLOWED, sa, 0); - init_sec_access(&sa, SA_RIGHT_ALIAS_ALL_ACCESS); - init_sec_ace(&(dacl_aces[1]), admins, SEC_ACE_TYPE_ACCESS_ALLOWED, sa, 0); - - dacl = make_sec_acl(ctx, NT4_ACL_REVISION, 2, dacl_aces); - if (!sacl) { - DEBUG(0, ("build_init_sec_desc: Failed to make SEC_ACL.\n")); - return NT_STATUS_NO_MEMORY; - } - - *sec_desc = make_sec_desc(ctx, SEC_DESC_REVISION, admins, admins, sacl, dacl, &psize); - if (!(*sec_desc)) { - DEBUG(0,("get_share_security: Failed to make SEC_DESC.\n")); - return NT_STATUS_NO_MEMORY; - } - - return NT_STATUS_OK; -} - -NTSTATUS sec_desc_add_ace_to_dacl(SEC_DESC *sec_desc, TALLOC_CTX *ctx, DOM_SID *sid, uint32 mask) -{ - NTSTATUS result; - SEC_ACE *new_aces; - unsigned num_aces; - int i; - - num_aces = sec_desc->dacl->num_aces + 1; - result = sec_ace_add_sid(ctx, &new_aces, sec_desc->dacl->ace, &num_aces, sid, mask); - if (NT_STATUS_IS_OK(result)) { - sec_desc->dacl->ace = new_aces; - sec_desc->dacl->num_aces = num_aces; - sec_desc->dacl->size = SEC_ACL_HEADER_SIZE; - for (i = 0; i < num_aces; i++) { - sec_desc->dacl->size += sec_desc->dacl->ace[i].size; - } - } - return result; -} - -NTSTATUS gums_init_builtin_groups(void) -{ - NTSTATUS result; - GUMS_OBJECT g_obj; - GUMS_GROUP *g_grp; - GUMS_PRIVILEGE g_priv; - - /* Build the well known Builtin Local Groups */ - g_obj.type = GUMS_OBJ_GROUP; - g_obj.version = 1; - g_obj.seq_num = 0; - g_obj.mem_ctx = talloc_init("gums_init_backend_acct"); - if (g_obj.mem_ctx == NULL) { - DEBUG(0, ("gums_init_backend: Out of Memory!\n")); - return NT_STATUS_NO_MEMORY; - } - - /* Administrators * / - - /* alloc group structure */ - g_obj.data.group = (GUMS_GROUP *)talloc(g_obj.mem_ctx, sizeof(GUMS_GROUP)); - ALLOC_CHECK("gums_init_backend", g_obj.data.group, result, done); - - /* make admins sid */ - g_grp = (GUMS_GROUP *)g_obj.data.group; - sid_copy(g_obj.sid, &global_sid_Builtin_Administrators); - - /* make security descriptor */ - result = create_builtin_alias_default_sec_desc(&(g_obj.sec_desc), g_obj.mem_ctx); - NTSTATUS_CHECK("gums_init_backend", "create_builtin_alias_default_sec_desc", result, done); - - /* make privilege set */ - /* From BDC join trace: - SeSecurityPrivilege - SeBackupPrivilege - SeRestorePrivilege - SeSystemtimePrivilege - SeShutdownPrivilege - SeRemoteShutdownPrivilege - SeTakeOwnershipPrivilege - SeDebugPrivilege - SeSystemEnvironmentPrivilege - SeSystemProfilePrivilege - SeProfileSingleProcessPrivilege - SeIncreaseBasePriorityPrivilege - SeLocalDriverPrivilege - SeCreatePagefilePrivilege - SeIncreaseQuotaPrivilege - */ - - /* set name */ - g_obj.name = talloc_strdup(g_obj.mem_ctx, "Administrators"); - ALLOC_CHECK("gums_init_backend", g_obj.name, result, done); - - /* set description */ - g_obj.description = talloc_strdup(g_obj.mem_ctx, "Members can fully administer the computer/domain"); - ALLOC_CHECK("gums_init_backend", g_obj.description, result, done); - - /* numebr of group members */ - g_grp->count = 0; - g_grp->members = NULL; - - /* store Administrators group */ - result = gums_storage->set_object(&g_obj); - - /* Power Users */ - /* Domain Controllers Does NOT have power Users */ - - sid_copy(g_obj.sid, &global_sid_Builtin_Power_Users); - - /* make privilege set */ - /* SE_PRIV_??? */ - - /* set name */ - g_obj.name = talloc_strdup(g_obj.mem_ctx, "Power Users"); - ALLOC_CHECK("gums_init_backend", g_obj.name, result, done); - - /* set description */ -/* > */ g_obj.description = talloc_strdup(g_obj.mem_ctx, "Power Users"); - ALLOC_CHECK("gums_init_backend", g_obj.description, result, done); - - /* store Power Users group */ - result = gums_storage->set_object(&g_obj); - - /* Account Operators */ - - sid_copy(g_obj.sid, &global_sid_Builtin_Account_Operators); - - /* make privilege set */ - /* From BDC join trace: - SeShutdownPrivilege - */ - - /* set name */ - g_obj.name = talloc_strdup(g_obj.mem_ctx, "Account Operators"); - ALLOC_CHECK("gums_init_backend", g_obj.name, result, done); - - /* set description */ - g_obj.description = talloc_strdup(g_obj.mem_ctx, "Members can administer domain user and group accounts"); - ALLOC_CHECK("gums_init_backend", g_obj.description, result, done); - - /* store Account Operators group */ - result = gums_storage->set_object(&g_obj); - - /* Server Operators */ - - sid_copy(g_obj.sid, &global_sid_Builtin_Server_Operators); - - /* make privilege set */ - /* From BDC join trace: - SeBackupPrivilege - SeRestorePrivilege - SeSystemtimePrivilege - SeShutdownPrivilege - SeRemoteShutdownPrivilege - */ - - /* set name */ - g_obj.name = talloc_strdup(g_obj.mem_ctx, "Server Operators"); - ALLOC_CHECK("gums_init_backend", g_obj.name, result, done); - - /* set description */ - g_obj.description = talloc_strdup(g_obj.mem_ctx, "Members can administer domain servers"); - ALLOC_CHECK("gums_init_backend", g_obj.description, result, done); - - /* store Server Operators group */ - result = gums_storage->set_object(&g_obj); - - /* Print Operators */ - - sid_copy(g_obj.sid, &global_sid_Builtin_Print_Operators); - - /* make privilege set */ - /* From BDC join trace: - SeShutdownPrivilege - */ - - /* set name */ - g_obj.name = talloc_strdup(g_obj.mem_ctx, "Print Operators"); - ALLOC_CHECK("gums_init_backend", g_obj.name, result, done); - - /* set description */ - g_obj.description = talloc_strdup(g_obj.mem_ctx, "Members can administer domain printers"); - ALLOC_CHECK("gums_init_backend", g_obj.description, result, done); - - /* store Print Operators group */ - result = gums_storage->set_object(&g_obj); - - /* Backup Operators */ - - sid_copy(g_obj.sid, &global_sid_Builtin_Backup_Operators); - - /* make privilege set */ - /* From BDC join trace: - SeBackupPrivilege - SeRestorePrivilege - SeShutdownPrivilege - */ - - /* set name */ - g_obj.name = talloc_strdup(g_obj.mem_ctx, "Backup Operators"); - ALLOC_CHECK("gums_init_backend", g_obj.name, result, done); - - /* set description */ - g_obj.description = talloc_strdup(g_obj.mem_ctx, "Members can bypass file security to backup files"); - ALLOC_CHECK("gums_init_backend", g_obj.description, result, done); - - /* store Backup Operators group */ - result = gums_storage->set_object(&g_obj); - - /* Replicator */ - - sid_copy(g_obj.sid, &global_sid_Builtin_Replicator); - - /* make privilege set */ - /* From BDC join trace: - SeBackupPrivilege - SeRestorePrivilege - SeShutdownPrivilege - */ - - /* set name */ - g_obj.name = talloc_strdup(g_obj.mem_ctx, "Replicator"); - ALLOC_CHECK("gums_init_backend", g_obj.name, result, done); - - /* set description */ - g_obj.description = talloc_strdup(g_obj.mem_ctx, "Supports file replication in a domain"); - ALLOC_CHECK("gums_init_backend", g_obj.description, result, done); - - /* store Replicator group */ - result = gums_storage->set_object(&g_obj); - - /* Users */ - - sid_copy(g_obj.sid, &global_sid_Builtin_Users); - - /* add ACE to sec dsec dacl */ - sec_desc_add_ace_to_dacl(g_obj.sec_desc, g_obj.mem_ctx, &global_sid_Builtin_Account_Operators, ALIAS_DEFAULT_DACL_SA_RIGHTS); - sec_desc_add_ace_to_dacl(g_obj.sec_desc, g_obj.mem_ctx, &global_sid_Builtin_Power_Users, ALIAS_DEFAULT_DACL_SA_RIGHTS); - - /* set name */ - g_obj.name = talloc_strdup(g_obj.mem_ctx, "Users"); - ALLOC_CHECK("gums_init_backend", g_obj.name, result, done); - - /* set description */ - g_obj.description = talloc_strdup(g_obj.mem_ctx, "Ordinary users"); - ALLOC_CHECK("gums_init_backend", g_obj.description, result, done); - - /* store Users group */ - result = gums_storage->set_object(&g_obj); - - /* Guests */ - - sid_copy(g_obj.sid, &global_sid_Builtin_Guests); - - /* set name */ - g_obj.name = talloc_strdup(g_obj.mem_ctx, "Guests"); - ALLOC_CHECK("gums_init_backend", g_obj.name, result, done); - - /* set description */ - g_obj.description = talloc_strdup(g_obj.mem_ctx, "Users granted guest access to the computer/domain"); - ALLOC_CHECK("gums_init_backend", g_obj.description, result, done); - - /* store Guests group */ - result = gums_storage->set_object(&g_obj); - - /* set default privileges */ - g_priv.type = GUMS_OBJ_GROUP; - g_priv.version = 1; - g_priv.seq_num = 0; - g_priv.mem_ctx = talloc_init("gums_init_backend_priv"); - if (g_priv.mem_ctx == NULL) { - DEBUG(0, ("gums_init_backend: Out of Memory!\n")); - return NT_STATUS_NO_MEMORY; - } - - - -done: - talloc_destroy(g_obj.mem_ctx); - talloc_destroy(g_priv.mem_ctx); - return result; -} -#endif - |