diff options
Diffstat (limited to 'source3/rpc_server')
| -rw-r--r-- | source3/rpc_server/srv_lsa_nt.c | 275 |
1 files changed, 208 insertions, 67 deletions
diff --git a/source3/rpc_server/srv_lsa_nt.c b/source3/rpc_server/srv_lsa_nt.c index d5ea156eb6..fa95e9f79f 100644 --- a/source3/rpc_server/srv_lsa_nt.c +++ b/source3/rpc_server/srv_lsa_nt.c @@ -36,6 +36,13 @@ struct lsa_info { uint32 access; }; +struct generic_mapping lsa_generic_mapping = { + POLICY_READ, + POLICY_WRITE, + POLICY_EXECUTE, + POLICY_ALL_ACCESS +}; + /******************************************************************* Function to free the per handle data. ********************************************************************/ @@ -290,16 +297,73 @@ static void init_reply_lookup_sids(LSA_R_LOOKUP_SIDS *r_l, r_l->status = NT_STATUS_OK; } +static NTSTATUS lsa_get_generic_sd(TALLOC_CTX *mem_ctx, SEC_DESC **sd, size_t *sd_size) +{ + extern DOM_SID global_sid_World; + extern DOM_SID global_sid_Builtin; + DOM_SID local_adm_sid; + DOM_SID adm_sid; + + SEC_ACE ace[3]; + SEC_ACCESS mask; + + SEC_ACL *psa = NULL; + + init_sec_access(&mask, POLICY_EXECUTE); + init_sec_ace(&ace[0], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0); + + sid_copy(&adm_sid, &global_sam_sid); + sid_append_rid(&adm_sid, DOMAIN_GROUP_RID_ADMINS); + init_sec_access(&mask, POLICY_ALL_ACCESS); + init_sec_ace(&ace[1], &adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0); + + sid_copy(&local_adm_sid, &global_sid_Builtin); + sid_append_rid(&local_adm_sid, BUILTIN_ALIAS_RID_ADMINS); + init_sec_access(&mask, POLICY_ALL_ACCESS); + init_sec_ace(&ace[2], &local_adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0); + + if((psa = make_sec_acl(mem_ctx, NT4_ACL_REVISION, 3, ace)) == NULL) + return NT_STATUS_NO_MEMORY; + + if((*sd = make_sec_desc(mem_ctx, SEC_DESC_REVISION, &adm_sid, NULL, NULL, psa, sd_size)) == NULL) + return NT_STATUS_NO_MEMORY; + + return NT_STATUS_OK; +} + /*************************************************************************** _lsa_open_policy2. ***************************************************************************/ NTSTATUS _lsa_open_policy2(pipes_struct *p, LSA_Q_OPEN_POL2 *q_u, LSA_R_OPEN_POL2 *r_u) { - /* lkclXXXX having decoded it, ignore all fields in the open policy! */ + struct lsa_info *info; + SEC_DESC *psd = NULL; + size_t sd_size; + uint32 des_access=q_u->des_access; + uint32 acc_granted; + NTSTATUS status; + + + /* map the generic bits to the lsa policy ones */ + se_map_generic(&des_access, &lsa_generic_mapping); + + /* get the generic lsa policy SD until we store it */ + lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size); + + if(!se_access_check(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, &status)) + return status; + + /* associate the domain SID with the (unique) handle. */ + if ((info = (struct lsa_info *)malloc(sizeof(struct lsa_info))) == NULL) + return NT_STATUS_NO_MEMORY; + + ZERO_STRUCTP(info); + info->sid = global_sam_sid; + info->access = acc_granted; /* set up the LSA QUERY INFO response */ - if (!create_policy_hnd(p, &r_u->pol, NULL, NULL)) + if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info)) return NT_STATUS_OBJECT_NAME_NOT_FOUND; return NT_STATUS_OK; @@ -311,10 +375,33 @@ NTSTATUS _lsa_open_policy2(pipes_struct *p, LSA_Q_OPEN_POL2 *q_u, LSA_R_OPEN_POL NTSTATUS _lsa_open_policy(pipes_struct *p, LSA_Q_OPEN_POL *q_u, LSA_R_OPEN_POL *r_u) { - /* lkclXXXX having decoded it, ignore all fields in the open policy! */ + struct lsa_info *info; + SEC_DESC *psd = NULL; + size_t sd_size; + uint32 des_access=q_u->des_access; + uint32 acc_granted; + NTSTATUS status; + + + /* map the generic bits to the lsa policy ones */ + se_map_generic(&des_access, &lsa_generic_mapping); + + /* get the generic lsa policy SD until we store it */ + lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size); + + if(!se_access_check(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, &status)) + return status; + + /* associate the domain SID with the (unique) handle. */ + if ((info = (struct lsa_info *)malloc(sizeof(struct lsa_info))) == NULL) + return NT_STATUS_NO_MEMORY; + + ZERO_STRUCTP(info); + info->sid = global_sam_sid; + info->access = acc_granted; /* set up the LSA QUERY INFO response */ - if (!create_policy_hnd(p, &r_u->pol, NULL, NULL)) + if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info)) return NT_STATUS_OBJECT_NAME_NOT_FOUND; return NT_STATUS_OK; @@ -326,13 +413,18 @@ NTSTATUS _lsa_open_policy(pipes_struct *p, LSA_Q_OPEN_POL *q_u, LSA_R_OPEN_POL * NTSTATUS _lsa_enum_trust_dom(pipes_struct *p, LSA_Q_ENUM_TRUST_DOM *q_u, LSA_R_ENUM_TRUST_DOM *r_u) { + struct lsa_info *info; uint32 enum_context = 0; char *dom_name = NULL; DOM_SID *dom_sid = NULL; - if (!find_policy_by_hnd(p, &q_u->pol, NULL)) + if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info)) return NT_STATUS_INVALID_HANDLE; + /* check if the user have enough rights */ + if (!(info->access & POLICY_VIEW_LOCAL_INFORMATION)) + return NT_STATUS_ACCESS_DENIED; + /* set up the LSA QUERY INFO response */ init_r_enum_trust_dom(p->mem_ctx, r_u, enum_context, dom_name, dom_sid, dom_name != NULL ? NT_STATUS_OK : NT_STATUS_NO_MORE_ENTRIES); @@ -346,6 +438,7 @@ NTSTATUS _lsa_enum_trust_dom(pipes_struct *p, LSA_Q_ENUM_TRUST_DOM *q_u, LSA_R_E NTSTATUS _lsa_query_info(pipes_struct *p, LSA_Q_QUERY_INFO *q_u, LSA_R_QUERY_INFO *r_u) { + struct lsa_info *handle; LSA_INFO_UNION *info = &r_u->dom; DOM_SID domain_sid; char *name = NULL; @@ -353,24 +446,32 @@ NTSTATUS _lsa_query_info(pipes_struct *p, LSA_Q_QUERY_INFO *q_u, LSA_R_QUERY_INF r_u->status = NT_STATUS_OK; - if (!find_policy_by_hnd(p, &q_u->pol, NULL)) + if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle)) return NT_STATUS_INVALID_HANDLE; switch (q_u->info_class) { case 0x02: { - unsigned int i; - /* fake info: We audit everything. ;) */ - info->id2.auditing_enabled = 1; - info->id2.count1 = 7; - info->id2.count2 = 7; - if ((info->id2.auditsettings = (uint32 *)talloc(p->mem_ctx,7*sizeof(uint32))) == NULL) - return NT_STATUS_NO_MEMORY; - for (i = 0; i < 7; i++) - info->id2.auditsettings[i] = 3; - break; + unsigned int i; + /* check if the user have enough rights */ + if (!(handle->access & POLICY_VIEW_AUDIT_INFORMATION)) + return NT_STATUS_ACCESS_DENIED; + + /* fake info: We audit everything. ;) */ + info->id2.auditing_enabled = 1; + info->id2.count1 = 7; + info->id2.count2 = 7; + if ((info->id2.auditsettings = (uint32 *)talloc(p->mem_ctx,7*sizeof(uint32))) == NULL) + return NT_STATUS_NO_MEMORY; + for (i = 0; i < 7; i++) + info->id2.auditsettings[i] = 3; + break; } case 0x03: + /* check if the user have enough rights */ + if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION)) + return NT_STATUS_ACCESS_DENIED; + /* Request PolicyPrimaryDomainInformation. */ switch (lp_server_role()) { case ROLE_DOMAIN_PDC: @@ -397,6 +498,10 @@ NTSTATUS _lsa_query_info(pipes_struct *p, LSA_Q_QUERY_INFO *q_u, LSA_R_QUERY_INF init_dom_query(&r_u->dom.id3, name, sid); break; case 0x05: + /* check if the user have enough rights */ + if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION)) + return NT_STATUS_ACCESS_DENIED; + /* Request PolicyAccountDomainInformation. */ switch (lp_server_role()) { case ROLE_DOMAIN_PDC: @@ -418,6 +523,10 @@ NTSTATUS _lsa_query_info(pipes_struct *p, LSA_Q_QUERY_INFO *q_u, LSA_R_QUERY_INF init_dom_query(&r_u->dom.id5, name, sid); break; case 0x06: + /* check if the user have enough rights */ + if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION)) + return NT_STATUS_ACCESS_DENIED; + switch (lp_server_role()) { case ROLE_DOMAIN_BDC: /* @@ -455,15 +564,20 @@ NTSTATUS _lsa_query_info(pipes_struct *p, LSA_Q_QUERY_INFO *q_u, LSA_R_QUERY_INF NTSTATUS _lsa_lookup_sids(pipes_struct *p, LSA_Q_LOOKUP_SIDS *q_u, LSA_R_LOOKUP_SIDS *r_u) { + struct lsa_info *handle; DOM_SID2 *sid = q_u->sids.sid; int num_entries = q_u->sids.num_entries; DOM_R_REF *ref = NULL; LSA_TRANS_NAME_ENUM *names = NULL; uint32 mapped_count = 0; - if (!find_policy_by_hnd(p, &q_u->pol, NULL)) + if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle)) return NT_STATUS_INVALID_HANDLE; + /* check if the user have enough rights */ + if (!(handle->access & POLICY_LOOKUP_NAMES)) + return NT_STATUS_ACCESS_DENIED; + ref = (DOM_R_REF *)talloc_zero(p->mem_ctx, sizeof(DOM_R_REF)); names = (LSA_TRANS_NAME_ENUM *)talloc_zero(p->mem_ctx, sizeof(LSA_TRANS_NAME_ENUM)); @@ -483,15 +597,20 @@ lsa_reply_lookup_names NTSTATUS _lsa_lookup_names(pipes_struct *p,LSA_Q_LOOKUP_NAMES *q_u, LSA_R_LOOKUP_NAMES *r_u) { + struct lsa_info *handle; UNISTR2 *names = q_u->uni_name; int num_entries = q_u->num_entries; DOM_R_REF *ref; DOM_RID2 *rids; uint32 mapped_count = 0; - if (!find_policy_by_hnd(p, &q_u->pol, NULL)) + if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle)) return NT_STATUS_INVALID_HANDLE; + /* check if the user have enough rights */ + if (!(handle->access & POLICY_LOOKUP_NAMES)) + return NT_STATUS_ACCESS_DENIED; + ref = (DOM_R_REF *)talloc_zero(p->mem_ctx, sizeof(DOM_R_REF)); rids = (DOM_RID2 *)talloc_zero(p->mem_ctx, sizeof(DOM_RID2)*MAX_LOOKUP_SIDS); @@ -533,15 +652,24 @@ _lsa_enum_privs. NTSTATUS _lsa_enum_privs(pipes_struct *p, LSA_Q_ENUM_PRIVS *q_u, LSA_R_ENUM_PRIVS *r_u) { + struct lsa_info *handle; uint32 i; uint32 enum_context=q_u->enum_context; LSA_PRIV_ENTRY *entry; LSA_PRIV_ENTRY *entries=NULL; - if (!find_policy_by_hnd(p, &q_u->pol, NULL)) + if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle)) return NT_STATUS_INVALID_HANDLE; + /* check if the user have enough rights */ + + /* + * I don't know if it's the right one. not documented. + */ + if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION)) + return NT_STATUS_ACCESS_DENIED; + if (enum_context >= PRIV_ALL_INDEX) return NT_STATUS_NO_MORE_ENTRIES; @@ -579,12 +707,21 @@ _lsa_priv_get_dispname. NTSTATUS _lsa_priv_get_dispname(pipes_struct *p, LSA_Q_PRIV_GET_DISPNAME *q_u, LSA_R_PRIV_GET_DISPNAME *r_u) { + struct lsa_info *handle; fstring name_asc; int i=1; - if (!find_policy_by_hnd(p, &q_u->pol, NULL)) + if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle)) return NT_STATUS_INVALID_HANDLE; + /* check if the user have enough rights */ + + /* + * I don't know if it's the right one. not documented. + */ + if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION)) + return NT_STATUS_ACCESS_DENIED; + unistr2_to_ascii(name_asc, &q_u->name, sizeof(name_asc)); DEBUG(10,("_lsa_priv_get_dispname: %s", name_asc)); @@ -613,14 +750,23 @@ _lsa_enum_accounts. NTSTATUS _lsa_enum_accounts(pipes_struct *p, LSA_Q_ENUM_ACCOUNTS *q_u, LSA_R_ENUM_ACCOUNTS *r_u) { + struct lsa_info *handle; GROUP_MAP *map=NULL; int num_entries=0; LSA_SID_ENUM *sids=&r_u->sids; int i=0,j=0; - if (!find_policy_by_hnd(p, &q_u->pol, NULL)) + if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle)) return NT_STATUS_INVALID_HANDLE; + /* check if the user have enough rights */ + + /* + * I don't know if it's the right one. not documented. + */ + if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION)) + return NT_STATUS_ACCESS_DENIED; + /* get the list of mapped groups (domain, local, builtin) */ if(!enum_group_mapping(SID_NAME_UNKNOWN, &map, &num_entries, ENUM_ONLY_MAPPED, MAPPING_WITHOUT_PRIV)) return NT_STATUS_OK; @@ -652,32 +798,32 @@ NTSTATUS _lsa_enum_accounts(pipes_struct *p, LSA_Q_ENUM_ACCOUNTS *q_u, LSA_R_ENU NTSTATUS _lsa_unk_get_connuser(pipes_struct *p, LSA_Q_UNK_GET_CONNUSER *q_u, LSA_R_UNK_GET_CONNUSER *r_u) { - fstring username, domname; - int ulen, dlen; - user_struct *vuser = get_valid_user_struct(p->vuid); + fstring username, domname; + int ulen, dlen; + user_struct *vuser = get_valid_user_struct(p->vuid); - if (vuser == NULL) - return NT_STATUS_CANT_ACCESS_DOMAIN_INFO; + if (vuser == NULL) + return NT_STATUS_CANT_ACCESS_DOMAIN_INFO; - fstrcpy(username, vuser->user.smb_name); - fstrcpy(domname, vuser->user.domain); + fstrcpy(username, vuser->user.smb_name); + fstrcpy(domname, vuser->user.domain); - ulen = strlen(username) + 1; - dlen = strlen(domname) + 1; + ulen = strlen(username) + 1; + dlen = strlen(domname) + 1; - init_uni_hdr(&r_u->hdr_user_name, ulen); - r_u->ptr_user_name = 1; - init_unistr2(&r_u->uni2_user_name, username, ulen); + init_uni_hdr(&r_u->hdr_user_name, ulen); + r_u->ptr_user_name = 1; + init_unistr2(&r_u->uni2_user_name, username, ulen); - r_u->unk1 = 1; + r_u->unk1 = 1; - init_uni_hdr(&r_u->hdr_dom_name, dlen); - r_u->ptr_dom_name = 1; - init_unistr2(&r_u->uni2_dom_name, domname, dlen); + init_uni_hdr(&r_u->hdr_dom_name, dlen); + r_u->ptr_dom_name = 1; + init_unistr2(&r_u->uni2_dom_name, domname, dlen); - r_u->status = NT_STATUS_OK; + r_u->status = NT_STATUS_OK; - return r_u->status; + return r_u->status; } /*************************************************************************** @@ -686,14 +832,24 @@ NTSTATUS _lsa_unk_get_connuser(pipes_struct *p, LSA_Q_UNK_GET_CONNUSER *q_u, LSA NTSTATUS _lsa_open_account(pipes_struct *p, LSA_Q_OPENACCOUNT *q_u, LSA_R_OPENACCOUNT *r_u) { + struct lsa_info *handle; struct lsa_info *info; r_u->status = NT_STATUS_OK; /* find the connection policy handle. */ - if (!find_policy_by_hnd(p, &q_u->pol, NULL)) + if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle)) return NT_STATUS_INVALID_HANDLE; + /* check if the user have enough rights */ + + /* + * I don't know if it's the right one. not documented. + * but guessed with rpcclient. + */ + if (!(handle->access & POLICY_GET_PRIVATE_INFORMATION)) + return NT_STATUS_ACCESS_DENIED; + /* associate the user/group SID with the (unique) handle. */ if ((info = (struct lsa_info *)malloc(sizeof(struct lsa_info))) == NULL) return NT_STATUS_NO_MEMORY; @@ -919,54 +1075,39 @@ NTSTATUS _lsa_removeprivs(pipes_struct *p, LSA_Q_REMOVEPRIVS *q_u, LSA_R_REMOVEP NTSTATUS _lsa_query_secobj(pipes_struct *p, LSA_Q_QUERY_SEC_OBJ *q_u, LSA_R_QUERY_SEC_OBJ *r_u) { - struct lsa_info *info=NULL; - extern DOM_SID global_sid_World; - extern DOM_SID global_sid_Builtin; - DOM_SID adm_sid; - - SEC_ACE ace[2]; - SEC_ACCESS mask; - - SEC_ACL *psa = NULL; + struct lsa_info *handle=NULL; SEC_DESC *psd = NULL; size_t sd_size; + NTSTATUS status; r_u->status = NT_STATUS_OK; /* find the connection policy handle. */ - if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info)) + if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle)) return NT_STATUS_INVALID_HANDLE; + /* check if the user have enough rights */ + if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION)) + return NT_STATUS_ACCESS_DENIED; + switch (q_u->sec_info) { case 1: /* SD contains only the owner */ - sid_copy(&adm_sid, &global_sid_Builtin); - sid_append_rid(&adm_sid, BUILTIN_ALIAS_RID_ADMINS); - - if((psd = make_sec_desc(p->mem_ctx, SEC_DESC_REVISION, &adm_sid, NULL, NULL, NULL, &sd_size)) == NULL) + status=lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size); + if(!NT_STATUS_IS_OK(status)) return NT_STATUS_NO_MEMORY; + if((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL) return NT_STATUS_NO_MEMORY; break; case 4: /* SD contains only the ACL */ - init_sec_access(&mask, POLICY_EXECUTE); - init_sec_ace(&ace[0], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0); - - sid_copy(&adm_sid, &global_sid_Builtin); - sid_append_rid(&adm_sid, BUILTIN_ALIAS_RID_ADMINS); - - init_sec_access(&mask, POLICY_ALL_ACCESS); - init_sec_ace(&ace[1], &adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0); - - if((psa = make_sec_acl(p->mem_ctx, NT4_ACL_REVISION, 2, ace)) == NULL) - return NT_STATUS_NO_MEMORY; - - if((psd = make_sec_desc(p->mem_ctx, SEC_DESC_REVISION, NULL, NULL, NULL, psa, &sd_size)) == NULL) + status=lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size); + if(!NT_STATUS_IS_OK(status)) return NT_STATUS_NO_MEMORY; if((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL) |