diff options
Diffstat (limited to 'source/rpc_server/srv_lsa_nt.c')
| -rw-r--r-- | source/rpc_server/srv_lsa_nt.c | 1342 |
1 files changed, 1342 insertions, 0 deletions
diff --git a/source/rpc_server/srv_lsa_nt.c b/source/rpc_server/srv_lsa_nt.c new file mode 100644 index 00000000000..f2fe3235a60 --- /dev/null +++ b/source/rpc_server/srv_lsa_nt.c @@ -0,0 +1,1342 @@ +/* + * Unix SMB/CIFS implementation. + * RPC Pipe client / server routines + * Copyright (C) Andrew Tridgell 1992-1997, + * Copyright (C) Luke Kenneth Casson Leighton 1996-1997, + * Copyright (C) Paul Ashton 1997, + * Copyright (C) Jeremy Allison 2001, + * Copyright (C) Rafal Szczesniak 2002, + * Copyright (C) Jim McDonough <jmcd@us.ibm.com> 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. + */ + +/* This is the implementation of the lsa server code. */ + +#include "includes.h" + +#undef DBGC_CLASS +#define DBGC_CLASS DBGC_RPC_SRV + +extern PRIVS privs[]; + +struct lsa_info { + DOM_SID sid; + uint32 access; +}; + +struct generic_mapping lsa_generic_mapping = { + POLICY_READ, + POLICY_WRITE, + POLICY_EXECUTE, + POLICY_ALL_ACCESS +}; + +/******************************************************************* + Function to free the per handle data. + ********************************************************************/ + +static void free_lsa_info(void *ptr) +{ + struct lsa_info *lsa = (struct lsa_info *)ptr; + + SAFE_FREE(lsa); +} + +/*************************************************************************** +Init dom_query + ***************************************************************************/ + +static void init_dom_query(DOM_QUERY *d_q, const char *dom_name, DOM_SID *dom_sid) +{ + d_q->buffer_dom_name = (dom_name != NULL) ? 1 : 0; /* domain buffer pointer */ + d_q->buffer_dom_sid = (dom_sid != NULL) ? 1 : 0; /* domain sid pointer */ + + /* this string is supposed to be non-null terminated. */ + /* But the maxlen in this UNISTR2 must include the terminating null. */ + init_unistr2(&d_q->uni_domain_name, dom_name, UNI_BROKEN_NON_NULL); + + /* + * I'm not sure why this really odd combination of length + * values works, but it does appear to. I need to look at + * this *much* more closely - but at the moment leave alone + * until it's understood. This allows a W2k client to join + * a domain with both odd and even length names... JRA. + */ + + /* + * IMPORTANT NOTE !!!! + * The two fields below probably are reversed in meaning, ie. + * the first field is probably the str_len, the second the max + * len. Both are measured in bytes anyway. + */ + + d_q->uni_dom_str_len = d_q->uni_domain_name.uni_max_len * 2; + d_q->uni_dom_max_len = d_q->uni_domain_name.uni_str_len * 2; + + if (dom_sid != NULL) + init_dom_sid2(&d_q->dom_sid, dom_sid); +} + +/*************************************************************************** + init_dom_ref - adds a domain if it's not already in, returns the index. +***************************************************************************/ + +static int init_dom_ref(DOM_R_REF *ref, char *dom_name, DOM_SID *dom_sid) +{ + int num = 0; + + if (dom_name != NULL) { + for (num = 0; num < ref->num_ref_doms_1; num++) { + fstring domname; + rpcstr_pull(domname, &ref->ref_dom[num].uni_dom_name, sizeof(domname), -1, 0); + if (strequal(domname, dom_name)) + return num; + } + } else { + num = ref->num_ref_doms_1; + } + + if (num >= MAX_REF_DOMAINS) { + /* index not found, already at maximum domain limit */ + return -1; + } + + ref->num_ref_doms_1 = num+1; + ref->ptr_ref_dom = 1; + ref->max_entries = MAX_REF_DOMAINS; + ref->num_ref_doms_2 = num+1; + + ref->hdr_ref_dom[num].ptr_dom_sid = dom_sid != NULL ? 1 : 0; + + init_unistr2(&ref->ref_dom[num].uni_dom_name, dom_name, UNI_FLAGS_NONE); + init_uni_hdr(&ref->hdr_ref_dom[num].hdr_dom_name, &ref->ref_dom[num].uni_dom_name); + + init_dom_sid2(&ref->ref_dom[num].ref_dom, dom_sid ); + + return num; +} + +/*************************************************************************** + init_lsa_rid2s + ***************************************************************************/ + +static void init_lsa_rid2s(DOM_R_REF *ref, DOM_RID2 *rid2, + int num_entries, UNISTR2 *name, + uint32 *mapped_count, BOOL endian) +{ + int i; + int total = 0; + *mapped_count = 0; + + SMB_ASSERT(num_entries <= MAX_LOOKUP_SIDS); + + become_root(); /* lookup_name can require root privs */ + + for (i = 0; i < num_entries; i++) { + BOOL status = False; + DOM_SID sid; + uint32 rid = 0xffffffff; + int dom_idx = -1; + pstring full_name; + fstring dom_name, user; + enum SID_NAME_USE name_type = SID_NAME_UNKNOWN; + + /* Split name into domain and user component */ + + unistr2_to_ascii(full_name, &name[i], sizeof(full_name)); + split_domain_name(full_name, dom_name, user); + + /* Lookup name */ + + DEBUG(5, ("init_lsa_rid2s: looking up name %s\n", full_name)); + + status = lookup_name(dom_name, user, &sid, &name_type); + + if (name_type == SID_NAME_WKN_GRP) { + /* BUILTIN aliases are still aliases :-) */ + name_type = SID_NAME_ALIAS; + } + + DEBUG(5, ("init_lsa_rid2s: %s\n", status ? "found" : + "not found")); + + if (status && name_type != SID_NAME_UNKNOWN) { + sid_split_rid(&sid, &rid); + dom_idx = init_dom_ref(ref, dom_name, &sid); + (*mapped_count)++; + } else { + dom_idx = -1; + rid = 0; + name_type = SID_NAME_UNKNOWN; + } + + init_dom_rid2(&rid2[total], rid, name_type, dom_idx); + total++; + } + + unbecome_root(); +} + +/*************************************************************************** + init_reply_lookup_names + ***************************************************************************/ + +static void init_reply_lookup_names(LSA_R_LOOKUP_NAMES *r_l, + DOM_R_REF *ref, uint32 num_entries, + DOM_RID2 *rid2, uint32 mapped_count) +{ + r_l->ptr_dom_ref = 1; + r_l->dom_ref = ref; + + r_l->num_entries = num_entries; + r_l->ptr_entries = 1; + r_l->num_entries2 = num_entries; + r_l->dom_rid = rid2; + + r_l->mapped_count = mapped_count; +} + +/*************************************************************************** + Init lsa_trans_names. + ***************************************************************************/ + +static void init_lsa_trans_names(TALLOC_CTX *ctx, DOM_R_REF *ref, LSA_TRANS_NAME_ENUM *trn, + int num_entries, DOM_SID2 *sid, + uint32 *mapped_count) +{ + int i; + int total = 0; + *mapped_count = 0; + + /* Allocate memory for list of names */ + + if (num_entries > 0) { + if (!(trn->name = (LSA_TRANS_NAME *)talloc(ctx, sizeof(LSA_TRANS_NAME) * + num_entries))) { + DEBUG(0, ("init_lsa_trans_names(): out of memory\n")); + return; + } + + if (!(trn->uni_name = (UNISTR2 *)talloc(ctx, sizeof(UNISTR2) * + num_entries))) { + DEBUG(0, ("init_lsa_trans_names(): out of memory\n")); + return; + } + } + + become_root(); /* Need root to get to passdb to for local sids */ + + for (i = 0; i < num_entries; i++) { + BOOL status = False; + DOM_SID find_sid = sid[i].sid; + uint32 rid = 0xffffffff; + int dom_idx = -1; + fstring name, dom_name; + enum SID_NAME_USE sid_name_use = (enum SID_NAME_USE)0; + + sid_to_string(name, &find_sid); + DEBUG(5, ("init_lsa_trans_names: looking up sid %s\n", name)); + + /* Lookup sid from winbindd */ + + status = lookup_sid(&find_sid, dom_name, name, &sid_name_use); + + DEBUG(5, ("init_lsa_trans_names: %s\n", status ? "found" : + "not found")); + + if (!status) { + sid_name_use = SID_NAME_UNKNOWN; + memset(dom_name, '\0', sizeof(dom_name)); + sid_to_string(name, &find_sid); + dom_idx = -1; + + DEBUG(10,("init_lsa_trans_names: added unknown user '%s' to " + "referenced list.\n", name )); + } else { + (*mapped_count)++; + /* Store domain sid in ref array */ + if (find_sid.num_auths == 5) { + sid_split_rid(&find_sid, &rid); + } + dom_idx = init_dom_ref(ref, dom_name, &find_sid); + + DEBUG(10,("init_lsa_trans_names: added user '%s\\%s' to " + "referenced list.\n", dom_name, name )); + + } + + init_lsa_trans_name(&trn->name[total], &trn->uni_name[total], + sid_name_use, name, dom_idx); + total++; + } + + unbecome_root(); + + trn->num_entries = total; + trn->ptr_trans_names = 1; + trn->num_entries2 = total; +} + +/*************************************************************************** + Init_reply_lookup_sids. + ***************************************************************************/ + +static void init_reply_lookup_sids(LSA_R_LOOKUP_SIDS *r_l, + DOM_R_REF *ref, LSA_TRANS_NAME_ENUM *names, + uint32 mapped_count) +{ + r_l->ptr_dom_ref = 1; + r_l->dom_ref = ref; + r_l->names = names; + r_l->mapped_count = mapped_count; +} + +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, get_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, SEC_DESC_SELF_RELATIVE, &adm_sid, NULL, NULL, psa, sd_size)) == NULL) + return NT_STATUS_NO_MEMORY; + + return NT_STATUS_OK; +} + +/*************************************************************************** + Init_dns_dom_info. +***************************************************************************/ + +static void init_dns_dom_info(LSA_DNS_DOM_INFO *r_l, const char *nb_name, + const char *dns_name, const char *forest_name, + struct uuid *dom_guid, DOM_SID *dom_sid) +{ + if (nb_name && *nb_name) { + init_unistr2(&r_l->uni_nb_dom_name, nb_name, UNI_FLAGS_NONE); + init_uni_hdr(&r_l->hdr_nb_dom_name, &r_l->uni_nb_dom_name); + r_l->hdr_nb_dom_name.uni_max_len += 2; + r_l->uni_nb_dom_name.uni_max_len += 1; + } + + if (dns_name && *dns_name) { + init_unistr2(&r_l->uni_dns_dom_name, dns_name, UNI_FLAGS_NONE); + init_uni_hdr(&r_l->hdr_dns_dom_name, &r_l->uni_dns_dom_name); + r_l->hdr_dns_dom_name.uni_max_len += 2; + r_l->uni_dns_dom_name.uni_max_len += 1; + } + + if (forest_name && *forest_name) { + init_unistr2(&r_l->uni_forest_name, forest_name, UNI_FLAGS_NONE); + init_uni_hdr(&r_l->hdr_forest_name, &r_l->uni_forest_name); + r_l->hdr_forest_name.uni_max_len += 2; + r_l->uni_forest_name.uni_max_len += 1; + } + + /* how do we init the guid ? probably should write an init fn */ + if (dom_guid) { + memcpy(&r_l->dom_guid, dom_guid, sizeof(struct uuid)); + } + + if (dom_sid) { + r_l->ptr_dom_sid = 1; + init_dom_sid2(&r_l->dom_sid, dom_sid); + } +} + +/*************************************************************************** + _lsa_open_policy2. + ***************************************************************************/ + +NTSTATUS _lsa_open_policy2(pipes_struct *p, LSA_Q_OPEN_POL2 *q_u, LSA_R_OPEN_POL2 *r_u) +{ + 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)) { + if (geteuid() != 0) { + return status; + } + DEBUG(4,("ACCESS should be DENIED (granted: %#010x; required: %#010x)\n", + acc_granted, des_access)); + DEBUGADD(4,("but overwritten by euid == 0\n")); + } + + /* This is needed for lsa_open_account and rpcclient .... :-) */ + + if (geteuid() == 0) + acc_granted = POLICY_ALL_ACCESS; + + /* 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); + sid_copy(&info->sid,get_global_sam_sid()); + info->access = acc_granted; + + /* set up the LSA QUERY INFO response */ + if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info)) + return NT_STATUS_OBJECT_NAME_NOT_FOUND; + + return NT_STATUS_OK; +} + +/*************************************************************************** + _lsa_open_policy + ***************************************************************************/ + +NTSTATUS _lsa_open_policy(pipes_struct *p, LSA_Q_OPEN_POL *q_u, LSA_R_OPEN_POL *r_u) +{ + 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)) { + if (geteuid() != 0) { + return status; + } + DEBUG(4,("ACCESS should be DENIED (granted: %#010x; required: %#010x)\n", + acc_granted, des_access)); + DEBUGADD(4,("but overwritten by euid == 0\n")); + acc_granted = des_access; + } + + /* 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); + sid_copy(&info->sid,get_global_sam_sid()); + info->access = acc_granted; + + /* set up the LSA QUERY INFO response */ + if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info)) + return NT_STATUS_OBJECT_NAME_NOT_FOUND; + + return NT_STATUS_OK; +} + +/*************************************************************************** + _lsa_enum_trust_dom - this needs fixing to do more than return NULL ! JRA. + ufff, done :) mimir + ***************************************************************************/ + +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 = q_u->enum_context; + + /* + * preferred length is set to 5 as a "our" preferred length + * nt sets this parameter to 2 + * update (20.08.2002): it's not preferred length, but preferred size! + * it needs further investigation how to optimally choose this value + */ + uint32 max_num_domains = q_u->preferred_len < 5 ? q_u->preferred_len : 10; + TRUSTDOM **trust_doms; + uint32 num_domains; + NTSTATUS nt_status; + + 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; + + nt_status = secrets_get_trusted_domains(p->mem_ctx, (int *)&enum_context, max_num_domains, (int *)&num_domains, &trust_doms); + + if (!NT_STATUS_IS_OK(nt_status) && + !NT_STATUS_EQUAL(nt_status, STATUS_MORE_ENTRIES) && + !NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_MORE_ENTRIES)) { + return nt_status; + } else { + r_u->status = nt_status; + } + + /* set up the lsa_enum_trust_dom response */ + init_r_enum_trust_dom(p->mem_ctx, r_u, enum_context, max_num_domains, num_domains, trust_doms); + + return r_u->status; +} + +/*************************************************************************** + _lsa_query_info. See the POLICY_INFOMATION_CLASS docs at msdn. + ***************************************************************************/ + +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; + const char *name; + DOM_SID *sid = NULL; + + r_u->status = NT_STATUS_OK; + + 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; + /* 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: + case ROLE_DOMAIN_BDC: + name = get_global_sam_name(); + sid = get_global_sam_sid(); + break; + case ROLE_DOMAIN_MEMBER: + name = lp_workgroup(); + /* We need to return the Domain SID here. */ + if (secrets_fetch_domain_sid(lp_workgroup(), &domain_sid)) + sid = &domain_sid; + else + return NT_STATUS_CANT_ACCESS_DOMAIN_INFO; + break; + case ROLE_STANDALONE: + name = lp_workgroup(); + sid = NULL; + break; + default: + return NT_STATUS_CANT_ACCESS_DOMAIN_INFO; + } + 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. */ + name = get_global_sam_name(); + sid = get_global_sam_sid(); + 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: + /* + * only a BDC is a backup controller + * of the domain, it controls. + */ + info->id6.server_role = 2; + break; + default: + /* + * any other role is a primary + * of the domain, it controls. + */ + info->id6.server_role = 3; + break; + } + break; + default: + DEBUG(0,("_lsa_query_info: unknown info level in Lsa Query: %d\n", q_u->info_class)); + r_u->status = NT_STATUS_INVALID_INFO_CLASS; + break; + } + + if (NT_STATUS_IS_OK(r_u->status)) { + r_u->undoc_buffer = 0x22000000; /* bizarre */ + r_u->info_class = q_u->info_class; + } + + return r_u->status; +} + +/*************************************************************************** + _lsa_lookup_sids + ***************************************************************************/ + +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 (num_entries > MAX_LOOKUP_SIDS) { + num_entries = MAX_LOOKUP_SIDS; + DEBUG(5,("_lsa_lookup_sids: truncating SID lookup list to %d\n", num_entries)); + } + + 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)); + + if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle)) { + r_u->status = NT_STATUS_INVALID_HANDLE; + goto done; + } + + /* check if the user have enough rights */ + if (!(handle->access & POLICY_LOOKUP_NAMES)) { + r_u->status = NT_STATUS_ACCESS_DENIED; + goto done; + } + if (!ref || !names) + return NT_STATUS_NO_MEMORY; + +done: + + /* set up the LSA Lookup SIDs response */ + init_lsa_trans_names(p->mem_ctx, ref, names, num_entries, sid, &mapped_count); + if (mapped_count == 0) + r_u->status = NT_STATUS_NONE_MAPPED; + else if (mapped_count != num_entries) + r_u->status = STATUS_SOME_UNMAPPED; + else + r_u->status = NT_STATUS_OK; + init_reply_lookup_sids(r_u, ref, names, mapped_count); + + return r_u->status; +} + +/*************************************************************************** +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 (num_entries > MAX_LOOKUP_SIDS) { + num_entries = MAX_LOOKUP_SIDS; + DEBUG(5,("_lsa_lookup_names: truncating name lookup list to %d\n", num_entries)); + } + + ref = (DOM_R_REF *)talloc_zero(p->mem_ctx, sizeof(DOM_R_REF)); + rids = (DOM_RID2 *)talloc_zero(p->mem_ctx, sizeof(DOM_RID2)*num_entries); + + if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle)) { + r_u->status = NT_STATUS_INVALID_HANDLE; + goto done; + } + + /* check if the user have enough rights */ + if (!(handle->access & POLICY_LOOKUP_NAMES)) { + r_u->status = NT_STATUS_ACCESS_DENIED; + goto done; + } + + if (!ref || !rids) + return NT_STATUS_NO_MEMORY; + +done: + + /* set up the LSA Lookup RIDs response */ + init_lsa_rid2s(ref, rids, num_entries, names, &mapped_count, p->endian); + if (mapped_count == 0) + r_u->status = NT_STATUS_NONE_MAPPED; + else if (mapped_count != num_entries) + r_u->status = STATUS_SOME_UNMAPPED; + else + r_u->status = NT_STATUS_OK; + init_reply_lookup_names(r_u, ref, num_entries, rids, mapped_count); + + return r_u->status; +} + +/*************************************************************************** + _lsa_close. Also weird - needs to check if lsa handle is correct. JRA. + ***************************************************************************/ + +NTSTATUS _lsa_close(pipes_struct *p, LSA_Q_CLOSE *q_u, LSA_R_CLOSE *r_u) +{ + if (!find_policy_by_hnd(p, &q_u->pol, NULL)) + return NT_STATUS_INVALID_HANDLE; + + close_policy_hnd(p, &q_u->pol); + return NT_STATUS_OK; +} + +/*************************************************************************** + "No more secrets Marty...." :-). + ***************************************************************************/ + +NTSTATUS _lsa_open_secret(pipes_struct *p, LSA_Q_OPEN_SECRET *q_u, LSA_R_OPEN_SECRET *r_u) +{ + return NT_STATUS_OBJECT_NAME_NOT_FOUND; +} + +/*************************************************************************** +_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 (enum_context >= PRIV_ALL_INDEX-2) + return NT_STATUS_NO_MORE_ENTRIES; + + entries = (LSA_PRIV_ENTRY *)talloc_zero(p->mem_ctx, sizeof(LSA_PRIV_ENTRY) * (PRIV_ALL_INDEX)); + if (entries==NULL) + return NT_STATUS_NO_MEMORY; + + 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; + + entry = entries; + + DEBUG(10,("_lsa_enum_privs: enum_context:%d total entries:%d\n", enum_context, PRIV_ALL_INDEX)); + + for (i = 1; i < PRIV_ALL_INDEX-1; i++, entry++) { + if( i<enum_context) { + init_unistr2(&entry->name, NULL, UNI_FLAGS_NONE); + init_uni_hdr(&entry->hdr_name, &entry->name); + entry->luid_low = 0; + entry->luid_high = 0; + } else { + init_unistr2(&entry->name, privs[i].priv, UNI_FLAGS_NONE); + init_uni_hdr(&entry->hdr_name, &entry->name); + entry->luid_low = privs[i].se_priv; + entry->luid_high = 0; + } + } + + enum_context = PRIV_ALL_INDEX-2; + init_lsa_r_enum_privs(r_u, enum_context, PRIV_ALL_INDEX-2, entries); + + return NT_STATUS_OK; +} + +/*************************************************************************** +_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, (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)); + + while (privs[i].se_priv!=SE_ALL_PRIVS && strcmp(name_asc, privs[i].priv)) + i++; + + if (privs[i].se_priv!=SE_ALL_PRIVS) { + DEBUG(10,(": %s\n", privs[i].description)); + init_unistr2(&r_u->desc, privs[i].description, UNI_FLAGS_NONE); + init_uni_hdr(&r_u->hdr_desc, &r_u->desc); + + r_u->ptr_info=0xdeadbeef; + r_u->lang_id=q_u->lang_id; + return NT_STATUS_OK; + } else { + DEBUG(10,("_lsa_priv_get_dispname: doesn't exist\n")); + r_u->ptr_info=0; + return NT_STATUS_NO_SUCH_PRIVILEGE; + } +} + +/*************************************************************************** +_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; + DOM_SID *sid_list; + int i, j, num_entries; + LSA_SID_ENUM *sids=&r_u->sids; + + if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle)) + return NT_STATUS_INVALID_HANDLE; + + if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION)) + return NT_STATUS_ACCESS_DENIED; + + sid_list = NULL; + num_entries = 0; + + /* The only way we can currently find out all the SIDs that have been + privileged is to scan all privileges */ + + for (i=1; i<PRIV_ALL_INDEX-1; i++) { + DOM_SID *priv_sids = NULL; + int num_priv_sids = 0; + + if (!get_sids_from_priv(privs[i].priv, &priv_sids, + &num_priv_sids)) + continue; + + for (j=0; j<num_priv_sids; j++) { + add_sid_to_array_unique(&priv_sids[j], &sid_list, + &num_entries); + } + SAFE_FREE(priv_sids); + } + + if (q_u->enum_context >= num_entries) + return NT_STATUS_NO_MORE_ENTRIES; + + sids->ptr_sid = (uint32 *)talloc_zero(p->mem_ctx, (num_entries-q_u->enum_context)*sizeof(uint32)); + sids->sid = (DOM_SID2 *)talloc_zero(p->mem_ctx, (num_entries-q_u->enum_context)*sizeof(DOM_SID2)); + + if (sids->ptr_sid==NULL || sids->sid==NULL) { + SAFE_FREE(sid_list); + return NT_STATUS_NO_MEMORY; + } + + for (i=q_u->enum_context, j=0; i<num_entries; i++) { + init_dom_sid2( &(*sids).sid[j], &sid_list[i]); + (*sids).ptr_sid[j]=1; + j++; + } + + SAFE_FREE(sid_list); + + init_lsa_r_enum_accounts(r_u, num_entries); + + return NT_STATUS_OK; +} + + +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; + user_struct *vuser = get_valid_user_struct(p->vuid); + + if (vuser == NULL) + return NT_STATUS_CANT_ACCESS_DOMAIN_INFO; + + fstrcpy(username, vuser->user.smb_name); + fstrcpy(domname, vuser->user.domain); + + r_u->ptr_user_name = 1; + init_unistr2(&r_u->uni2_user_name, username, UNI_STR_TERMINATE); + init_uni_hdr(&r_u->hdr_user_name, &r_u->uni2_user_name); + + r_u->unk1 = 1; + + r_u->ptr_dom_name = 1; + init_unistr2(&r_u->uni2_dom_name, domname, UNI_STR_TERMINATE); + init_uni_hdr(&r_u->hdr_dom_name, &r_u->uni2_dom_name); + + r_u->status = NT_STATUS_OK; + + return r_u->status; +} + +/*************************************************************************** + Lsa Create Account + + FIXME: Actually the code is just a copy of lsa_open_account + TODO: Check and code what this function should exactly do + ***************************************************************************/ + +NTSTATUS _lsa_create_account(pipes_struct *p, LSA_Q_CREATEACCOUNT *q_u, LSA_R_CREATEACCOUNT *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, (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; + + ZERO_STRUCTP(info); + info->sid = q_u->sid.sid; + info->access = q_u->access; + + /* get a (unique) handle. open a policy on it. */ + if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info)) + return NT_STATUS_OBJECT_NAME_NOT_FOUND; + + return r_u->status; +} + + +/*************************************************************************** + Lsa Open Account + ***************************************************************************/ + +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, (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; + + ZERO_STRUCTP(info); + info->sid = q_u->sid.sid; + info->access = q_u->access; + + /* get a (unique) handle. open a policy on it. */ + if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info)) + return NT_STATUS_OBJECT_NAME_NOT_FOUND; + + return r_u->status; +} + +/*************************************************************************** + For a given SID, enumerate all the privilege this account has. + ***************************************************************************/ + +NTSTATUS _lsa_enum_privsaccount(pipes_struct *p, prs_struct *ps, LSA_Q_ENUMPRIVSACCOUNT *q_u, LSA_R_ENUMPRIVSACCOUNT *r_u) +{ + struct lsa_info *info=NULL; + LUID_ATTR *set=NULL; + PRIVILEGE_SET *priv; + + r_u->status = NT_STATUS_OK; + + /* find the connection policy handle. */ + if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info)) + return NT_STATUS_INVALID_HANDLE; + + init_privilege(&priv); + + if (!get_priv_for_sid(&info->sid, priv)) { + /* This is probably wrong... */ + return NT_STATUS_INVALID_HANDLE; + } + + DEBUG(10,("_lsa_enum_privsaccount: %d privileges\n", priv->count)); + + if (priv->count > 0) { + int i; + set=(LUID_ATTR *)talloc(ps->mem_ctx, + priv->count*sizeof(LUID_ATTR)); + if (set == NULL) { + destroy_privilege(&priv); + return NT_STATUS_NO_MEMORY; + } + + for (i = 0; i < priv->count; i++) { + set[i].luid.low = priv->set[i].luid.low; + set[i].luid.high = priv->set[i].luid.high; + set[i].attr = priv->set[i].attr; + DEBUG(10,("_lsa_enum_privsaccount: %d: %d:%d:%d\n", i, + set[i].luid.high, set[i].luid.low, + set[i].attr)); + } + } + + init_lsa_r_enum_privsaccount(ps->mem_ctx, r_u, set, priv->count, 0); + destroy_privilege(&priv); + + return r_u->status; +} + +/*************************************************************************** + + ***************************************************************************/ + +NTSTATUS _lsa_getsystemaccount(pipes_struct *p, LSA_Q_GETSYSTEMACCOUNT *q_u, LSA_R_GETSYSTEMACCOUNT *r_u) +{ + struct lsa_info *info=NULL; + r_u->status = NT_STATUS_OK; + fstring name, dom_name; + enum SID_NAME_USE type; + + /* find the connection policy handle. */ + if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info)) + return NT_STATUS_INVALID_HANDLE; + + if (!lookup_sid(&info->sid, dom_name, name, &type)) + return NT_STATUS_INVALID_HANDLE; + + /* + 0x01 -> Log on locally + 0x02 -> Access this computer from network + 0x04 -> Log on as a batch job + 0x10 -> Log on as a service + + they can be ORed together + */ + + r_u->access = PR_LOG_ON_LOCALLY | PR_ACCESS_FROM_NETWORK; + + return r_u->status; +} + +/*************************************************************************** + update the systemaccount information + ***************************************************************************/ + +NTSTATUS _lsa_setsystemaccount(pipes_struct *p, LSA_Q_SETSYSTEMACCOUNT *q_u, LSA_R_SETSYSTEMACCOUNT *r_u) +{ + struct lsa_info *info=NULL; + GROUP_MAP map; + r_u->status = NT_STATUS_OK; + + /* find the connection policy handle. */ + if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info)) + return NT_STATUS_INVALID_HANDLE; + + if (!pdb_getgrsid(&map, info->sid)) + return NT_STATUS_NO_SUCH_GROUP; + + if(!pdb_update_group_mapping_entry(&map)) + return NT_STATUS_NO_SUCH_GROUP; + + return r_u->status; +} + +/*************************************************************************** + For a given SID, add some privileges. + ***************************************************************************/ + +NTSTATUS _lsa_addprivs(pipes_struct *p, LSA_Q_ADDPRIVS *q_u, LSA_R_ADDPRIVS *r_u) +{ +#if 0 + struct lsa_info *info = NULL; + GROUP_MAP map; + int i = 0; + LUID_ATTR *luid_attr = NULL; + PRIVILEGE_SET *set = NULL; +#endif + + r_u->status = NT_STATUS_OK; + +#if 0 /* privileges are not implemented */ + /* find the connection policy handle. */ + if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info)) + return NT_STATUS_INVALID_HANDLE; + + if (!pdb_getgrsid(&map, info->sid)) + return NT_STATUS_NO_SUCH_GROUP; + + set = &q_u->set; + + for (i = 0; i < set->count; i++) { + luid_attr = &set->set[i]; + + /* check if the privilege is already there */ + if (check_priv_in_privilege(map.priv_set, *luid_attr)){ + destroy_privilege(&map.priv_set); + return NT_STATUS_NO_SUCH_PRIVILEGE; + } + + add_privilege(map.priv_set, *luid_attr); + } + + if(!pdb_update_group_mapping_entry(&map)) + return NT_STATUS_NO_SUCH_GROUP; + + destroy_privilege(&map.priv_set); + +#endif + return r_u->status; +} + +/*************************************************************************** + For a given SID, remove some privileges. + ***************************************************************************/ + +NTSTATUS _lsa_removeprivs(pipes_struct *p, LSA_Q_REMOVEPRIVS *q_u, LSA_R_REMOVEPRIVS *r_u) +{ +#if 0 + struct lsa_info *info = NULL; + GROUP_MAP map; + int i=0; + LUID_ATTR *luid_attr = NULL; + PRIVILEGE_SET *set = NULL; +#endif + + r_u->status = NT_STATUS_OK; + +#if 0 /* privileges are not implemented */ + /* find the connection policy handle. */ + if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info)) + return NT_STATUS_INVALID_HANDLE; + + if (!pdb_getgrsid(&map, info->sid)) + return NT_STATUS_NO_SUCH_GROUP; + + if (q_u->allrights != 0) { + /* log it and return, until I see one myself don't do anything */ + DEBUG(5,("_lsa_removeprivs: trying to remove all privileges ?\n")); + return NT_STATUS_OK; + } + + if (q_u->ptr == 0) { + /* log it and return, until I see one myself don't do anything */ + DEBUG(5,("_lsa_removeprivs: no privileges to remove ?\n")); + return NT_STATUS_OK; + } + + set = &q_u->set; + + for (i = 0; i < set->count; i++) { + luid_attr = &set->set[i]; + + /* if we don't have the privilege, we're trying to remove, give up */ + /* what else can we do ??? JFM. */ + if (!check_priv_in_privilege(map.priv_set, *luid_attr)){ + destroy_privilege(&map.priv_set); + return NT_STATUS_NO_SUCH_PRIVILEGE; + } + + remove_privilege(map.priv_set, *luid_attr); + } + + if(!pdb_update_group_mapping_entry(&map)) + return NT_STATUS_NO_SUCH_GROUP; + + destroy_privilege(&map.priv_set); +#endif + return r_u->status; +} + +/*************************************************************************** + For a given SID, remove some privileges. + ***************************************************************************/ + +NTSTATUS _lsa_query_secobj(pipes_struct *p, LSA_Q_QUERY_SEC_OBJ *q_u, LSA_R_QUERY_SEC_OBJ *r_u) +{ + 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 **)&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 */ + + 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 */ + + 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; + default: + return NT_STATUS_INVALID_LEVEL; + } + + r_u->ptr=1; + + return r_u->status; +} + + +NTSTATUS _lsa_query_info2(pipes_struct *p, LSA_Q_QUERY_INFO2 *q_u, LSA_R_QUERY_INFO2 *r_u) +{ + struct lsa_info *handle; + const char *nb_name; + char *dns_name = NULL; + char *forest_name = NULL; + DOM_SID *sid = NULL; + struct uuid guid; + fstring dnsdomname; + + ZERO_STRUCT(guid); + r_u->status = NT_STATUS_OK; + + if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle)) + return NT_STATUS_INVALID_HANDLE; + + switch (q_u->info_class) { + case 0x0c: + /* 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: + case ROLE_DOMAIN_BDC: + nb_name = get_global_sam_name(); + /* ugly temp hack for these next two */ + + /* This should be a 'netbios domain -> DNS domain' mapping */ + dnsdomname[0] = '\0'; + get_mydnsdomname(dnsdomname); + strlower_m(dnsdomname); + + dns_name = dnsdomname; + forest_name = dnsdomname; + + sid = get_global_sam_sid(); + secrets_fetch_domain_guid(lp_workgroup(), &guid); + break; + default: + return NT_STATUS_CANT_ACCESS_DOMAIN_INFO; + } + init_dns_dom_info(&r_u->info.dns_dom_info, nb_name, dns_name, + forest_name,&guid,sid); + break; + default: + DEBUG(0,("_lsa_query_info2: unknown info level in Lsa Query: %d\n", q_u->info_class)); + r_u->status = NT_STATUS_INVALID_INFO_CLASS; + break; + } + + if (NT_STATUS_IS_OK(r_u->status)) { + r_u->ptr = 0x1; + r_u->info_class = q_u->info_class; + } + + return r_u->status; +} |