/* * 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) Marc Jacobsen 1999, * Copyright (C) Jeremy Allison 2001-2002, * Copyright (C) Jean François Micouleau 1998-2001, * Copyright (C) Anthony Liguori 2002, * Copyright (C) Jim McDonough 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 SAMR code. */ #include "includes.h" #undef DBGC_CLASS #define DBGC_CLASS DBGC_RPC_SRV extern fstring global_myworkgroup; extern pstring global_myname; extern DOM_SID global_sid_Builtin; extern rid_name domain_group_rids[]; extern rid_name domain_alias_rids[]; extern rid_name builtin_alias_rids[]; typedef struct _disp_info { BOOL user_dbloaded; uint32 num_user_account; DISP_USER_INFO *disp_user_info; BOOL group_dbloaded; uint32 num_group_account; DISP_GROUP_INFO *disp_group_info; } DISP_INFO; struct samr_info { /* for use by the \PIPE\samr policy */ DOM_SID sid; uint32 status; /* some sort of flag. best to record it. comes from opnum 0x39 */ uint32 acc_granted; uint16 acb_mask; BOOL all_machines; DISP_INFO disp_info; TALLOC_CTX *mem_ctx; }; struct generic_mapping sam_generic_mapping = {SAMR_READ, SAMR_WRITE, SAMR_EXECUTE, SAMR_ALL_ACCESS}; struct generic_mapping dom_generic_mapping = {DOMAIN_READ, DOMAIN_WRITE, DOMAIN_EXECUTE, DOMAIN_ALL_ACCESS}; struct generic_mapping usr_generic_mapping = {USER_READ, USER_WRITE, USER_EXECUTE, USER_ALL_ACCESS}; struct generic_mapping grp_generic_mapping = {GROUP_READ, GROUP_WRITE, GROUP_EXECUTE, GROUP_ALL_ACCESS}; struct generic_mapping ali_generic_mapping = {ALIAS_READ, ALIAS_WRITE, ALIAS_EXECUTE, ALIAS_ALL_ACCESS}; static NTSTATUS samr_make_dom_obj_sd(TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd_size); /******************************************************************* Checks if access to an object should be granted, and returns that level of access for further checks. ********************************************************************/ NTSTATUS access_check_samr_object(SEC_DESC *psd, NT_USER_TOKEN *nt_user_token, uint32 des_access, uint32 *acc_granted, const char *debug) { NTSTATUS status = NT_STATUS_ACCESS_DENIED; if (!se_access_check(psd, nt_user_token, des_access, acc_granted, &status)) { if (geteuid() == sec_initial_uid()) { DEBUG(4,("%s: ACCESS should be DENIED (requested: %#010x)\n", debug, des_access)); DEBUGADD(4,("but overritten by euid == sec_initial_uid()\n")); status = NT_STATUS_OK; } else { DEBUG(2,("%s: ACCESS DENIED (requested: %#010x)\n", debug, des_access)); } } return status; } /******************************************************************* Checks if access to a function can be granted ********************************************************************/ NTSTATUS access_check_samr_function(uint32 acc_granted, uint32 acc_required, const char *debug) { DEBUG(5,("%s: access check ((granted: %#010x; required: %#010x)\n", debug, acc_granted, acc_required)); if ((acc_granted & acc_required) != acc_required) { if (geteuid() == sec_initial_uid()) { DEBUG(4,("%s: ACCESS should be DENIED (granted: %#010x; required: %#010x)\n", debug, acc_granted, acc_required)); DEBUGADD(4,("but overwritten by euid == 0\n")); return NT_STATUS_OK; } DEBUG(2,("%s: ACCESS DENIED (granted: %#010x; required: %#010x)\n", debug, acc_granted, acc_required)); return NT_STATUS_ACCESS_DENIED; } return NT_STATUS_OK; } /******************************************************************* Create a samr_info struct. ********************************************************************/ static struct samr_info *get_samr_info_by_sid(DOM_SID *psid) { struct samr_info *info; fstring sid_str; TALLOC_CTX *mem_ctx; if (psid) { sid_to_string(sid_str, psid); } else { fstrcpy(sid_str,"(NULL)"); } mem_ctx = talloc_init_named("samr_info for domain sid %s", sid_str); if ((info = (struct samr_info *)talloc(mem_ctx, sizeof(struct samr_info))) == NULL) return NULL; ZERO_STRUCTP(info); DEBUG(10,("get_samr_info_by_sid: created new info for sid %s\n", sid_str)); if (psid) { sid_copy( &info->sid, psid); } else { DEBUG(10,("get_samr_info_by_sid: created new info for NULL sid.\n")); } info->mem_ctx = mem_ctx; return info; } /******************************************************************* Function to free the per handle data. ********************************************************************/ static void free_samr_users(struct samr_info *info) { int i; if (info->disp_info.user_dbloaded){ for (i=0; idisp_info.num_user_account; i++) { /* Not really a free, actually a 'clear' */ pdb_free_sam(&info->disp_info.disp_user_info[i].sam); } } info->disp_info.user_dbloaded=False; info->disp_info.num_user_account=0; } /******************************************************************* Function to free the per handle data. ********************************************************************/ static void free_samr_db(struct samr_info *info) { /* Groups are talloced */ free_samr_users(info); info->disp_info.group_dbloaded=False; info->disp_info.num_group_account=0; } static void free_samr_info(void *ptr) { struct samr_info *info=(struct samr_info *) ptr; free_samr_db(info); talloc_destroy(info->mem_ctx); } /******************************************************************* Ensure password info is never given out. Paranioa... JRA. ********************************************************************/ static void samr_clear_sam_passwd(SAM_ACCOUNT *sam_pass) { if (!sam_pass) return; /* These now zero out the old password */ pdb_set_lanman_passwd(sam_pass, NULL); pdb_set_nt_passwd(sam_pass, NULL); } static NTSTATUS load_sampwd_entries(struct samr_info *info, uint16 acb_mask, BOOL all_machines) { SAM_ACCOUNT *pwd = NULL; DISP_USER_INFO *pwd_array = NULL; NTSTATUS nt_status = NT_STATUS_OK; TALLOC_CTX *mem_ctx = info->mem_ctx; DEBUG(10,("load_sampwd_entries\n")); /* if the snapshoot is already loaded, return */ if ((info->disp_info.user_dbloaded==True) && (info->acb_mask == acb_mask) && (info->all_machines == all_machines)) { DEBUG(10,("load_sampwd_entries: already in memory\n")); return NT_STATUS_OK; } free_samr_users(info); if (!pdb_setsampwent(False)) { DEBUG(0, ("load_sampwd_entries: Unable to open passdb.\n")); return NT_STATUS_ACCESS_DENIED; } for (; (NT_STATUS_IS_OK(nt_status = pdb_init_sam_talloc(mem_ctx, &pwd))) && pdb_getsampwent(pwd) == True; pwd=NULL) { if (all_machines) { if (!((pdb_get_acct_ctrl(pwd) & ACB_WSTRUST) || (pdb_get_acct_ctrl(pwd) & ACB_SVRTRUST))) { DEBUG(5,("load_sampwd_entries: '%s' is not a machine account - ACB: %x - skipping\n", pdb_get_username(pwd), acb_mask)); pdb_free_sam(&pwd); continue; } } else { if (acb_mask != 0 && !(pdb_get_acct_ctrl(pwd) & acb_mask)) { pdb_free_sam(&pwd); DEBUG(5,(" acb_mask %x reject\n", acb_mask)); continue; } } /* Realloc some memory for the array of ptr to the SAM_ACCOUNT structs */ if (info->disp_info.num_user_account % MAX_SAM_ENTRIES == 0) { DEBUG(10,("load_sampwd_entries: allocating more memory\n")); pwd_array=(DISP_USER_INFO *)talloc_realloc(mem_ctx, info->disp_info.disp_user_info, (info->disp_info.num_user_account+MAX_SAM_ENTRIES)*sizeof(DISP_USER_INFO)); if (pwd_array==NULL) return NT_STATUS_NO_MEMORY; info->disp_info.disp_user_info=pwd_array; } /* link the SAM_ACCOUNT to the array */ info->disp_info.disp_user_info[info->disp_info.num_user_account].sam=pwd; DEBUG(10,("load_sampwd_entries: entry: %d\n", info->disp_info.num_user_account)); info->disp_info.num_user_account++; } pdb_endsampwent(); /* the snapshoot is in memory, we're ready to enumerate fast */ info->acb_mask = acb_mask; info->all_machines = all_machines; info->disp_info.user_dbloaded=True; DEBUG(12,("load_sampwd_entries: done\n")); return nt_status; } static NTSTATUS load_group_domain_entries(struct samr_info *info, DOM_SID *sid) { GROUP_MAP *map=NULL; DISP_GROUP_INFO *grp_array = NULL; uint32 group_entries = 0; uint32 i; TALLOC_CTX *mem_ctx = info->mem_ctx; DEBUG(10,("load_group_domain_entries\n")); /* if the snapshoot is already loaded, return */ if (info->disp_info.group_dbloaded==True) { DEBUG(10,("load_group_domain_entries: already in memory\n")); return NT_STATUS_OK; } if (!enum_group_mapping(SID_NAME_DOM_GRP, &map, (int *)&group_entries, ENUM_ONLY_MAPPED, MAPPING_WITHOUT_PRIV)) { return NT_STATUS_NO_MEMORY; } info->disp_info.num_group_account=group_entries; grp_array=(DISP_GROUP_INFO *)talloc(mem_ctx, info->disp_info.num_group_account*sizeof(DISP_GROUP_INFO)); if (group_entries!=0 && grp_array==NULL) { SAFE_FREE(map); return NT_STATUS_NO_MEMORY; } info->disp_info.disp_group_info=grp_array; for (i=0; iname, map[i].nt_name); fstrcpy(grp_array[i].grp->comment, map[i].comment); sid_split_rid(&map[i].sid, &grp_array[i].grp->rid); grp_array[i].grp->attr=SID_NAME_DOM_GRP; } SAFE_FREE(map); /* the snapshoot is in memory, we're ready to enumerate fast */ info->disp_info.group_dbloaded=True; DEBUG(12,("load_group_domain_entries: done\n")); return NT_STATUS_OK; } /******************************************************************* _samr_close_hnd ********************************************************************/ NTSTATUS _samr_close_hnd(pipes_struct *p, SAMR_Q_CLOSE_HND *q_u, SAMR_R_CLOSE_HND *r_u) { r_u->status = NT_STATUS_OK; /* close the policy handle */ if (!close_policy_hnd(p, &q_u->pol)) return NT_STATUS_OBJECT_NAME_INVALID; DEBUG(5,("samr_reply_close_hnd: %d\n", __LINE__)); return r_u->status; } /******************************************************************* samr_reply_open_domain ********************************************************************/ NTSTATUS _samr_open_domain(pipes_struct *p, SAMR_Q_OPEN_DOMAIN *q_u, SAMR_R_OPEN_DOMAIN *r_u) { struct samr_info *info; SEC_DESC *psd = NULL; uint32 acc_granted; uint32 des_access = q_u->flags; 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)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(status = access_check_samr_function(info->acc_granted, SAMR_ACCESS_OPEN_DOMAIN,"_samr_open_domain"))) { return status; } /*check if access can be granted as requested by client. */ samr_make_dom_obj_sd(p->mem_ctx, &psd, &sd_size); se_map_generic(&des_access,&dom_generic_mapping); if (!NT_STATUS_IS_OK(status = access_check_samr_object(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, "_samr_open_domain"))) { return status; } /* associate the domain SID with the (unique) handle. */ if ((info = get_samr_info_by_sid(&q_u->dom_sid.sid))==NULL) return NT_STATUS_NO_MEMORY; info->acc_granted = acc_granted; /* get a (unique) handle. open a policy on it. */ if (!create_policy_hnd(p, &r_u->domain_pol, free_samr_info, (void *)info)) return NT_STATUS_OBJECT_NAME_NOT_FOUND; DEBUG(5,("samr_open_domain: %d\n", __LINE__)); return r_u->status; } /******************************************************************* _samr_get_usrdom_pwinfo ********************************************************************/ NTSTATUS _samr_get_usrdom_pwinfo(pipes_struct *p, SAMR_Q_GET_USRDOM_PWINFO *q_u, SAMR_R_GET_USRDOM_PWINFO *r_u) { struct samr_info *info = NULL; r_u->status = NT_STATUS_OK; /* find the policy handle. open a policy on it. */ if (!find_policy_by_hnd(p, &q_u->user_pol, (void **)&info)) return NT_STATUS_INVALID_HANDLE; if (!sid_check_is_in_our_domain(&info->sid)) return NT_STATUS_OBJECT_TYPE_MISMATCH; init_samr_r_get_usrdom_pwinfo(r_u, NT_STATUS_OK); DEBUG(5,("_samr_get_usrdom_pwinfo: %d\n", __LINE__)); /* * NT sometimes return NT_STATUS_ACCESS_DENIED * I don't know yet why. */ return r_u->status; } /******************************************************************* samr_make_dom_obj_sd ********************************************************************/ static NTSTATUS samr_make_dom_obj_sd(TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd_size) { extern DOM_SID global_sid_World; DOM_SID adm_sid; DOM_SID act_sid; SEC_ACE ace[3]; SEC_ACCESS mask; SEC_ACL *psa = NULL; sid_copy(&adm_sid, &global_sid_Builtin); sid_append_rid(&adm_sid, BUILTIN_ALIAS_RID_ADMINS); sid_copy(&act_sid, &global_sid_Builtin); sid_append_rid(&act_sid, BUILTIN_ALIAS_RID_ACCOUNT_OPS); /*basic access for every one*/ init_sec_access(&mask, DOMAIN_EXECUTE | DOMAIN_READ); init_sec_ace(&ace[0], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0); /*full access for builtin aliases Administrators and Account Operators*/ init_sec_access(&mask, DOMAIN_ALL_ACCESS); init_sec_ace(&ace[1], &adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0); init_sec_ace(&ace[2], &act_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0); if ((psa = make_sec_acl(ctx, NT4_ACL_REVISION, 3, ace)) == NULL) return NT_STATUS_NO_MEMORY; if ((*psd = make_sec_desc(ctx, SEC_DESC_REVISION, NULL, NULL, NULL, psa, sd_size)) == NULL) return NT_STATUS_NO_MEMORY; return NT_STATUS_OK; } /******************************************************************* samr_make_usr_obj_sd ********************************************************************/ static NTSTATUS samr_make_usr_obj_sd(TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd_size, DOM_SID *usr_sid) { extern DOM_SID global_sid_World; DOM_SID adm_sid; DOM_SID act_sid; SEC_ACE ace[4]; SEC_ACCESS mask; SEC_ACL *psa = NULL; sid_copy(&adm_sid, &global_sid_Builtin); sid_append_rid(&adm_sid, BUILTIN_ALIAS_RID_ADMINS); sid_copy(&act_sid, &global_sid_Builtin); sid_append_rid(&act_sid, BUILTIN_ALIAS_RID_ACCOUNT_OPS); /*basic access for every one*/ init_sec_access(&mask, USER_EXECUTE | USER_READ); init_sec_ace(&ace[0], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0); /*full access for builtin aliases Administrators and Account Operators*/ init_sec_access(&mask, USER_ALL_ACCESS); init_sec_ace(&ace[1], &adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0); init_sec_ace(&ace[2], &act_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0); /*extended access for the user*/ init_sec_access(&mask,READ_CONTROL_ACCESS | USER_ACCESS_CHANGE_PASSWORD | USER_ACCESS_SET_LOC_COM); init_sec_ace(&ace[3], usr_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0); if ((psa = make_sec_acl(ctx, NT4_ACL_REVISION, 4, ace)) == NULL) return NT_STATUS_NO_MEMORY; if ((*psd = make_sec_desc(ctx, SEC_DESC_REVISION, NULL, NULL, NULL, psa, sd_size)) == NULL) return NT_STATUS_NO_MEMORY; return NT_STATUS_OK; } /******************************************************************* samr_make_grp_obj_sd ********************************************************************/ static NTSTATUS samr_make_grp_obj_sd(TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd_size) { extern DOM_SID global_sid_World; DOM_SID adm_sid; DOM_SID act_sid; SEC_ACE ace[3]; SEC_ACCESS mask; SEC_ACL *psa = NULL; sid_copy(&adm_sid, &global_sid_Builtin); sid_append_rid(&adm_sid, BUILTIN_ALIAS_RID_ADMINS); sid_copy(&act_sid, &global_sid_Builtin); sid_append_rid(&act_sid, BUILTIN_ALIAS_RID_ACCOUNT_OPS); /*basic access for every one*/ init_sec_access(&mask, GROUP_EXECUTE | GROUP_READ); init_sec_ace(&ace[0], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0); /*full access for builtin aliases Administrators and Account Operators*/ init_sec_access(&mask, GROUP_ALL_ACCESS); init_sec_ace(&ace[1], &adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0); init_sec_ace(&ace[2], &act_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0); if ((psa = make_sec_acl(ctx, NT4_ACL_REVISION, 3, ace)) == NULL) return NT_STATUS_NO_MEMORY; if ((*psd = make_sec_desc(ctx, SEC_DESC_REVISION, NULL, NULL, NULL, psa, sd_size)) == NULL) return NT_STATUS_NO_MEMORY; return NT_STATUS_OK; } /******************************************************************* samr_make_ali_obj_sd ********************************************************************/ static NTSTATUS samr_make_ali_obj_sd(TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd_size) { extern DOM_SID global_sid_World; DOM_SID adm_sid; DOM_SID act_sid; SEC_ACE ace[3]; SEC_ACCESS mask; SEC_ACL *psa = NULL; sid_copy(&adm_sid, &global_sid_Builtin); sid_append_rid(&adm_sid, BUILTIN_ALIAS_RID_ADMINS); sid_copy(&act_sid, &global_sid_Builtin); sid_append_rid(&act_sid, BUILTIN_ALIAS_RID_ACCOUNT_OPS); /*basic access for every one*/ init_sec_access(&mask, ALIAS_EXECUTE | ALIAS_READ); init_sec_ace(&ace[0], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0); /*full access for builtin aliases Administrators and Account Operators*/ init_sec_access(&mask, ALIAS_ALL_ACCESS); init_sec_ace(&ace[1], &adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0); init_sec_ace(&ace[2], &act_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0); if ((psa = make_sec_acl(ctx, NT4_ACL_REVISION, 3, ace)) == NULL) return NT_STATUS_NO_MEMORY; if ((*psd = make_sec_desc(ctx, SEC_DESC_REVISION, NULL, NULL, NULL, psa, sd_size)) == NULL) return NT_STATUS_NO_MEMORY; return NT_STATUS_OK; } static BOOL get_lsa_policy_samr_sid(pipes_struct *p, POLICY_HND *pol, DOM_SID *sid, uint32 *acc_granted) { struct samr_info *info = NULL; /* find the policy handle. open a policy on it. */ if (!find_policy_by_hnd(p, pol, (void **)&info)) return False; if (!info) return False; *sid = info->sid; *acc_granted = info->acc_granted; return True; } /******************************************************************* _samr_set_sec_obj ********************************************************************/ NTSTATUS _samr_set_sec_obj(pipes_struct *p, SAMR_Q_SET_SEC_OBJ *q_u, SAMR_R_SET_SEC_OBJ *r_u) { DEBUG(0,("_samr_set_sec_obj: Not yet implemented!\n")); return NT_STATUS_NOT_IMPLEMENTED; } /******************************************************************* _samr_query_sec_obj ********************************************************************/ NTSTATUS _samr_query_sec_obj(pipes_struct *p, SAMR_Q_QUERY_SEC_OBJ *q_u, SAMR_R_QUERY_SEC_OBJ *r_u) { DOM_SID pol_sid; fstring str_sid; SEC_DESC * psd = NULL; size_t sd_size; uint32 acc_granted; r_u->status = NT_STATUS_OK; /* Get the SID. */ if (!get_lsa_policy_samr_sid(p, &q_u->user_pol, &pol_sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; DEBUG(10,("_samr_query_sec_obj: querying security on SID: %s\n", sid_to_string(str_sid, &pol_sid))); /* Check what typ of SID is beeing queried (e.g Domain SID, User SID, Group SID) */ /* To query the security of the SAM it self an invalid SID with S-0-0 is passed to this function */ if (pol_sid.sid_rev_num == 0) { DEBUG(5,("_samr_query_sec_obj: querying security on SAM\n")); r_u->status = samr_make_sam_obj_sd(p->mem_ctx, &psd, &sd_size); } else if (sid_equal(&pol_sid,get_global_sam_sid())) /* check if it is our domain SID */ { DEBUG(5,("_samr_query_sec_obj: querying security on Domain with SID: %s\n", sid_to_string(str_sid, &pol_sid))); r_u->status = samr_make_dom_obj_sd(p->mem_ctx, &psd, &sd_size); } else if (sid_equal(&pol_sid,&global_sid_Builtin)) /* check if it is the Builtin Domain */ { /* TODO: Builtin probably needs a different SD with restricted write access*/ DEBUG(5,("_samr_query_sec_obj: querying security on Builtin Domain with SID: %s\n", sid_to_string(str_sid, &pol_sid))); r_u->status = samr_make_dom_obj_sd(p->mem_ctx, &psd, &sd_size); } else if (sid_check_is_in_our_domain(&pol_sid) || sid_check_is_in_builtin(&pol_sid)) { /* TODO: different SDs have to be generated for aliases groups and users. Currently all three get a default user SD */ DEBUG(10,("_samr_query_sec_obj: querying security on Object with SID: %s\n", sid_to_string(str_sid, &pol_sid))); r_u->status = samr_make_usr_obj_sd(p->mem_ctx, &psd,&sd_size, &pol_sid); } else return NT_STATUS_OBJECT_TYPE_MISMATCH; if ((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL) return NT_STATUS_NO_MEMORY; if (NT_STATUS_IS_OK(r_u->status)) r_u->ptr = 1; return r_u->status; } /******************************************************************* makes a SAM_ENTRY / UNISTR2* structure from a user list. ********************************************************************/ static NTSTATUS make_user_sam_entry_list(TALLOC_CTX *ctx, SAM_ENTRY **sam_pp, UNISTR2 **uni_name_pp, uint32 num_entries, uint32 start_idx, DISP_USER_INFO *disp_user_info, DOM_SID *domain_sid) { uint32 i; SAM_ENTRY *sam; UNISTR2 *uni_name; SAM_ACCOUNT *pwd = NULL; UNISTR2 uni_temp_name; const char *temp_name; const DOM_SID *user_sid; uint32 user_rid; fstring user_sid_string; fstring domain_sid_string; *sam_pp = NULL; *uni_name_pp = NULL; if (num_entries == 0) return NT_STATUS_OK; sam = (SAM_ENTRY *)talloc_zero(ctx, sizeof(SAM_ENTRY)*num_entries); uni_name = (UNISTR2 *)talloc_zero(ctx, sizeof(UNISTR2)*num_entries); if (sam == NULL || uni_name == NULL) { DEBUG(0, ("make_user_sam_entry_list: talloc_zero failed!\n")); return NT_STATUS_NO_MEMORY; } for (i = 0; i < num_entries; i++) { pwd = disp_user_info[i+start_idx].sam; temp_name = pdb_get_username(pwd); init_unistr2(&uni_temp_name, temp_name, strlen(temp_name)+1); user_sid = pdb_get_user_sid(pwd); if (!sid_peek_check_rid(domain_sid, user_sid, &user_rid)) { DEBUG(0, ("make_user_sam_entry_list: User %s has SID %s, which conflicts with " "the domain sid %s. Failing operation.\n", temp_name, sid_to_string(user_sid_string, user_sid), sid_to_string(domain_sid_string, domain_sid))); return NT_STATUS_UNSUCCESSFUL; } init_sam_entry(&sam[i], uni_temp_name.uni_str_len, user_rid); copy_unistr2(&uni_name[i], &uni_temp_name); } *sam_pp = sam; *uni_name_pp = uni_name; return NT_STATUS_OK; } /******************************************************************* samr_reply_enum_dom_users ********************************************************************/ NTSTATUS _samr_enum_dom_users(pipes_struct *p, SAMR_Q_ENUM_DOM_USERS *q_u, SAMR_R_ENUM_DOM_USERS *r_u) { struct samr_info *info = NULL; uint32 struct_size=0x20; /* W2K always reply that, client doesn't care */ int num_account; uint32 enum_context=q_u->start_idx; uint32 max_size=q_u->max_size; uint32 temp_size; enum remote_arch_types ra_type = get_remote_arch(); int max_sam_entries = (ra_type == RA_WIN95) ? MAX_SAM_ENTRIES_W95 : MAX_SAM_ENTRIES_W2K; uint32 max_entries = max_sam_entries; DOM_SID domain_sid; r_u->status = NT_STATUS_OK; /* find the policy handle. open a policy on it. */ if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info)) return NT_STATUS_INVALID_HANDLE; domain_sid = info->sid; if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(info->acc_granted, DOMAIN_ACCESS_ENUM_ACCOUNTS, "_samr_enum_dom_users"))) { return r_u->status; } DEBUG(5,("_samr_enum_dom_users: %d\n", __LINE__)); become_root(); r_u->status=load_sampwd_entries(info, q_u->acb_mask, False); unbecome_root(); if (!NT_STATUS_IS_OK(r_u->status)) return r_u->status; num_account = info->disp_info.num_user_account; if (enum_context > num_account) { DEBUG(5, ("_samr_enum_dom_users: enumeration handle over total entries\n")); return NT_STATUS_OK; } /* verify we won't overflow */ if (max_entries > num_account-enum_context) { max_entries = num_account-enum_context; DEBUG(5, ("_samr_enum_dom_users: only %d entries to return\n", max_entries)); } /* calculate the size and limit on the number of entries we will return */ temp_size=max_entries*struct_size; if (temp_size>max_size) { max_entries=MIN((max_size/struct_size),max_entries);; DEBUG(5, ("_samr_enum_dom_users: buffer size limits to only %d entries\n", max_entries)); } /* * Note from JRA. total_entries is not being used here. Currently if there is a * large user base then it looks like NT will enumerate until get_sampwd_entries * returns False due to num_entries being zero. This will cause an access denied * return. I don't think this is right and needs further investigation. Note that * this is also the same in the TNG code (I don't think that has been tested with * a very large user list as MAX_SAM_ENTRIES is set to 600). * * I also think that one of the 'num_entries' return parameters is probably * the "max entries" parameter - but in the TNG code they're all currently set to the same * value (again I think this is wrong). */ r_u->status = make_user_sam_entry_list(p->mem_ctx, &r_u->sam, &r_u->uni_acct_name, max_entries, enum_context, info->disp_info.disp_user_info, &domain_sid); if (!NT_STATUS_IS_OK(r_u->status)) return r_u->status; if (enum_context+max_entries < num_account) r_u->status = STATUS_MORE_ENTRIES; DEBUG(5, ("_samr_enum_dom_users: %d\n", __LINE__)); init_samr_r_enum_dom_users(r_u, q_u->start_idx + max_entries, max_entries); DEBUG(5,("_samr_enum_dom_users: %d\n", __LINE__)); return r_u->status; } /******************************************************************* makes a SAM_ENTRY / UNISTR2* structure from a group list. ********************************************************************/ static void make_group_sam_entry_list(TALLOC_CTX *ctx, SAM_ENTRY **sam_pp, UNISTR2 **uni_name_pp, uint32 num_sam_entries, DOMAIN_GRP *grp) { uint32 i; SAM_ENTRY *sam; UNISTR2 *uni_name; *sam_pp = NULL; *uni_name_pp = NULL; if (num_sam_entries == 0) return; sam = (SAM_ENTRY *)talloc_zero(ctx, sizeof(SAM_ENTRY)*num_sam_entries); uni_name = (UNISTR2 *)talloc_zero(ctx, sizeof(UNISTR2)*num_sam_entries); if (sam == NULL || uni_name == NULL) { DEBUG(0, ("NULL pointers in SAMR_R_QUERY_DISPINFO\n")); return; } for (i = 0; i < num_sam_entries; i++) { /* * JRA. I think this should include the null. TNG does not. */ int len = strlen(grp[i].name)+1; init_sam_entry(&sam[i], len, grp[i].rid); init_unistr2(&uni_name[i], grp[i].name, len); } *sam_pp = sam; *uni_name_pp = uni_name; } /******************************************************************* Get the group entries - similar to get_sampwd_entries(). ********************************************************************/ static NTSTATUS get_group_alias_entries(TALLOC_CTX *ctx, DOMAIN_GRP **d_grp, DOM_SID *sid, uint32 start_idx, uint32 *p_num_entries, uint32 max_entries) { fstring sid_str; uint32 num_entries = 0; int i; GROUP_MAP smap; GROUP_MAP *map; sid_to_string(sid_str, sid); DEBUG(5, ("get_group_alias_entries: enumerating aliases on SID: %s\n", sid_str)); *p_num_entries = 0; /* well-known aliases */ if (sid_equal(sid, &global_sid_Builtin) && !lp_hide_local_users()) { enum_group_mapping(SID_NAME_WKN_GRP, &map, (int *)&num_entries, ENUM_ONLY_MAPPED, MAPPING_WITHOUT_PRIV); if (num_entries != 0) { *d_grp=(DOMAIN_GRP *)talloc_zero(ctx, num_entries*sizeof(DOMAIN_GRP)); if (*d_grp==NULL) return NT_STATUS_NO_MEMORY; for(i=0; inext) { uint32 trid; if(!get_group_from_gid(grp->gr_gid, &smap, MAPPING_WITHOUT_PRIV)) continue; if (smap.sid_name_use!=SID_NAME_ALIAS) { continue; } sid_split_rid(&smap.sid, &trid); if (!sid_equal(sid, &smap.sid)) continue; /* Don't return winbind groups as they are not local! */ if (winbind_groups_exist && (grp->gr_gid >= winbind_gid_low)&&(grp->gr_gid <= winbind_gid_high)) { DEBUG(10,("get_group_alias_entries: not returing %s, not local.\n", smap.nt_name )); continue; } /* Don't return user private groups... */ if ((pw = Get_Pwnam(smap.nt_name)) != 0) { DEBUG(10,("get_group_alias_entries: not returing %s, clashes with user.\n", smap.nt_name )); continue; } for( i = 0; i < num_entries; i++) if ( (*d_grp)[i].rid == trid ) break; if ( i < num_entries ) { continue; /* rid was there, dup! */ } /* JRA - added this for large group db enumeration... */ if (start_idx > 0) { /* skip the requested number of entries. not very efficient, but hey... */ start_idx--; continue; } *d_grp=talloc_realloc(ctx,*d_grp, (num_entries+1)*sizeof(DOMAIN_GRP)); if (*d_grp==NULL) { grent_free(glist); return NT_STATUS_NO_MEMORY; } fstrcpy((*d_grp)[num_entries].name, smap.nt_name); (*d_grp)[num_entries].rid = trid; num_entries++; DEBUG(10,("get_group_alias_entries: added entry %d, rid:%d\n", num_entries, trid)); } grent_free(glist); } *p_num_entries = num_entries; DEBUG(10,("get_group_alias_entries: returning %d entries\n", *p_num_entries)); if (num_entries >= max_entries) return STATUS_MORE_ENTRIES; return NT_STATUS_OK; } /******************************************************************* Get the group entries - similar to get_sampwd_entries(). ********************************************************************/ static NTSTATUS get_group_domain_entries(TALLOC_CTX *ctx, DOMAIN_GRP **d_grp, DOM_SID *sid, uint32 start_idx, uint32 *p_num_entries, uint32 max_entries) { GROUP_MAP *map=NULL; int i; uint32 group_entries = 0; uint32 num_entries = 0; *p_num_entries = 0; enum_group_mapping(SID_NAME_DOM_GRP, &map, (int *)&group_entries, ENUM_ONLY_MAPPED, MAPPING_WITHOUT_PRIV); num_entries=group_entries-start_idx; /* limit the number of entries */ if (num_entries>max_entries) { DEBUG(5,("Limiting to %d entries\n", max_entries)); num_entries=max_entries; } *d_grp=(DOMAIN_GRP *)talloc_zero(ctx, num_entries*sizeof(DOMAIN_GRP)); if (num_entries!=0 && *d_grp==NULL){ SAFE_FREE(map); return NT_STATUS_NO_MEMORY; } for (i=0; istatus = NT_STATUS_OK; if (!get_lsa_policy_samr_sid(p, &q_u->pol, &sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, DOMAIN_ACCESS_ENUM_ACCOUNTS, "_samr_enum_dom_groups"))) { return r_u->status; } DEBUG(5,("samr_reply_enum_dom_groups: %d\n", __LINE__)); /* the domain group array is being allocated in the function below */ if (!NT_STATUS_IS_OK(r_u->status = get_group_domain_entries(p->mem_ctx, &grp, &sid, q_u->start_idx, &num_entries, MAX_SAM_ENTRIES))) { return r_u->status; } make_group_sam_entry_list(p->mem_ctx, &r_u->sam, &r_u->uni_grp_name, num_entries, grp); init_samr_r_enum_dom_groups(r_u, q_u->start_idx, num_entries); DEBUG(5,("samr_enum_dom_groups: %d\n", __LINE__)); return r_u->status; } /******************************************************************* samr_reply_enum_dom_aliases ********************************************************************/ NTSTATUS _samr_enum_dom_aliases(pipes_struct *p, SAMR_Q_ENUM_DOM_ALIASES *q_u, SAMR_R_ENUM_DOM_ALIASES *r_u) { DOMAIN_GRP *grp=NULL; uint32 num_entries = 0; fstring sid_str; DOM_SID sid; NTSTATUS status; uint32 acc_granted; r_u->status = NT_STATUS_OK; if (!get_lsa_policy_samr_sid(p, &q_u->pol, &sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, DOMAIN_ACCESS_ENUM_ACCOUNTS, "_samr_enum_dom_aliases"))) { return r_u->status; } sid_to_string(sid_str, &sid); DEBUG(5,("samr_reply_enum_dom_aliases: sid %s\n", sid_str)); status = get_group_alias_entries(p->mem_ctx, &grp, &sid, q_u->start_idx, &num_entries, MAX_SAM_ENTRIES); if (NT_STATUS_IS_ERR(status)) return status; make_group_sam_entry_list(p->mem_ctx, &r_u->sam, &r_u->uni_grp_name, num_entries, grp); /*safe_free(grp);*/ init_samr_r_enum_dom_aliases(r_u, q_u->start_idx + num_entries, num_entries); DEBUG(5,("samr_enum_dom_aliases: %d\n", __LINE__)); return r_u->status; } /******************************************************************* samr_reply_query_dispinfo ********************************************************************/ NTSTATUS _samr_query_dispinfo(pipes_struct *p, SAMR_Q_QUERY_DISPINFO *q_u, SAMR_R_QUERY_DISPINFO *r_u) { struct samr_info *info = NULL; uint32 struct_size=0x20; /* W2K always reply that, client doesn't care */ uint32 max_entries=q_u->max_entries; uint32 enum_context=q_u->start_idx; uint32 max_size=q_u->max_size; SAM_DISPINFO_CTR *ctr; uint32 temp_size=0, total_data_size=0; NTSTATUS disp_ret; uint32 num_account = 0; enum remote_arch_types ra_type = get_remote_arch(); int max_sam_entries = (ra_type == RA_WIN95) ? MAX_SAM_ENTRIES_W95 : MAX_SAM_ENTRIES_W2K; DOM_SID domain_sid; DEBUG(5, ("samr_reply_query_dispinfo: %d\n", __LINE__)); r_u->status = NT_STATUS_OK; /* find the policy handle. open a policy on it. */ if (!find_policy_by_hnd(p, &q_u->domain_pol, (void **)&info)) return NT_STATUS_INVALID_HANDLE; domain_sid = info->sid; /* * calculate how many entries we will return. * based on * - the number of entries the client asked * - our limit on that * - the starting point (enumeration context) * - the buffer size the client will accept */ /* * We are a lot more like W2K. Instead of reading the SAM * each time to find the records we need to send back, * we read it once and link that copy to the sam handle. * For large user list (over the MAX_SAM_ENTRIES) * it's a definitive win. * second point to notice: between enumerations * our sam is now the same as it's a snapshoot. * third point: got rid of the static SAM_USER_21 struct * no more intermediate. * con: it uses much more memory, as a full copy is stored * in memory. * * If you want to change it, think twice and think * of the second point , that's really important. * * JFM, 12/20/2001 */ /* Get what we need from the password database */ switch (q_u->switch_level) { case 0x1: case 0x2: case 0x4: become_root(); /* Level 2 is for all machines, otherwise only 'normal' users */ r_u->status=load_sampwd_entries(info, ACB_NORMAL, q_u->switch_level==2); unbecome_root(); if (!NT_STATUS_IS_OK(r_u->status)) { DEBUG(5, ("_samr_query_dispinfo: load_sampwd_entries failed\n")); return r_u->status; } num_account = info->disp_info.num_user_account; break; case 0x3: case 0x5: r_u->status = load_group_domain_entries(info, &info->sid); if (!NT_STATUS_IS_OK(r_u->status)) return r_u->status; num_account = info->disp_info.num_group_account; break; default: DEBUG(0,("_samr_query_dispinfo: Unknown info level (%u)\n", (unsigned int)q_u->switch_level )); return NT_STATUS_INVALID_INFO_CLASS; } /* first limit the number of entries we will return */ if(max_entries > max_sam_entries) { DEBUG(5, ("samr_reply_query_dispinfo: client requested %d entries, limiting to %d\n", max_entries, max_sam_entries)); max_entries = max_sam_entries; } if (enum_context > num_account) { DEBUG(5, ("samr_reply_query_dispinfo: enumeration handle over total entries\n")); return NT_STATUS_NO_MORE_ENTRIES; } /* verify we won't overflow */ if (max_entries > num_account-enum_context) { max_entries = num_account-enum_context; DEBUG(5, ("samr_reply_query_dispinfo: only %d entries to return\n", max_entries)); } /* calculate the size and limit on the number of entries we will return */ temp_size=max_entries*struct_size; if (temp_size>max_size) { max_entries=MIN((max_size/struct_size),max_entries);; DEBUG(5, ("samr_reply_query_dispinfo: buffer size limits to only %d entries\n", max_entries)); } if (!(ctr = (SAM_DISPINFO_CTR *)talloc_zero(p->mem_ctx,sizeof(SAM_DISPINFO_CTR)))) return NT_STATUS_NO_MEMORY; ZERO_STRUCTP(ctr); /* Now create reply structure */ switch (q_u->switch_level) { case 0x1: if (max_entries) { if (!(ctr->sam.info1 = (SAM_DISPINFO_1 *)talloc_zero(p->mem_ctx,max_entries*sizeof(SAM_DISPINFO_1)))) return NT_STATUS_NO_MEMORY; } disp_ret = init_sam_dispinfo_1(p->mem_ctx, ctr->sam.info1, max_entries, enum_context, info->disp_info.disp_user_info, &domain_sid); if (!NT_STATUS_IS_OK(disp_ret)) return disp_ret; break; case 0x2: if (max_entries) { if (!(ctr->sam.info2 = (SAM_DISPINFO_2 *)talloc_zero(p->mem_ctx,max_entries*sizeof(SAM_DISPINFO_2)))) return NT_STATUS_NO_MEMORY; } disp_ret = init_sam_dispinfo_2(p->mem_ctx, ctr->sam.info2, max_entries, enum_context, info->disp_info.disp_user_info, &domain_sid); if (!NT_STATUS_IS_OK(disp_ret)) return disp_ret; break; case 0x3: if (max_entries) { if (!(ctr->sam.info3 = (SAM_DISPINFO_3 *)talloc_zero(p->mem_ctx,max_entries*sizeof(SAM_DISPINFO_3)))) return NT_STATUS_NO_MEMORY; } disp_ret = init_sam_dispinfo_3(p->mem_ctx, ctr->sam.info3, max_entries, enum_context, info->disp_info.disp_group_info); if (!NT_STATUS_IS_OK(disp_ret)) return disp_ret; break; case 0x4: if (max_entries) { if (!(ctr->sam.info4 = (SAM_DISPINFO_4 *)talloc_zero(p->mem_ctx,max_entries*sizeof(SAM_DISPINFO_4)))) return NT_STATUS_NO_MEMORY; } disp_ret = init_sam_dispinfo_4(p->mem_ctx, ctr->sam.info4, max_entries, enum_context, info->disp_info.disp_user_info); if (!NT_STATUS_IS_OK(disp_ret)) return disp_ret; break; case 0x5: if (max_entries) { if (!(ctr->sam.info5 = (SAM_DISPINFO_5 *)talloc_zero(p->mem_ctx,max_entries*sizeof(SAM_DISPINFO_5)))) return NT_STATUS_NO_MEMORY; } disp_ret = init_sam_dispinfo_5(p->mem_ctx, ctr->sam.info5, max_entries, enum_context, info->disp_info.disp_group_info); if (!NT_STATUS_IS_OK(disp_ret)) return disp_ret; break; default: ctr->sam.info = NULL; return NT_STATUS_INVALID_INFO_CLASS; } /* calculate the total size */ total_data_size=num_account*struct_size; if (enum_context+max_entries < num_account) r_u->status = STATUS_MORE_ENTRIES; DEBUG(5, ("_samr_query_dispinfo: %d\n", __LINE__)); init_samr_r_query_dispinfo(r_u, max_entries, total_data_size, temp_size, q_u->switch_level, ctr, r_u->status); return r_u->status; } /******************************************************************* samr_reply_query_aliasinfo ********************************************************************/ NTSTATUS _samr_query_aliasinfo(pipes_struct *p, SAMR_Q_QUERY_ALIASINFO *q_u, SAMR_R_QUERY_ALIASINFO *r_u) { DOM_SID sid; GROUP_MAP map; uint32 acc_granted; r_u->status = NT_STATUS_OK; DEBUG(5,("_samr_query_aliasinfo: %d\n", __LINE__)); /* find the policy handle. open a policy on it. */ if (!get_lsa_policy_samr_sid(p, &q_u->pol, &sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, ALIAS_ACCESS_LOOKUP_INFO, "_samr_query_aliasinfo"))) { return r_u->status; } if (!sid_check_is_in_our_domain(&sid) && !sid_check_is_in_builtin(&sid)) return NT_STATUS_OBJECT_TYPE_MISMATCH; if (!get_group_map_from_sid(sid, &map, MAPPING_WITHOUT_PRIV)) return NT_STATUS_NO_SUCH_ALIAS; switch (q_u->switch_level) { case 1: r_u->ptr = 1; r_u->ctr.switch_value1 = 1; init_samr_alias_info1(&r_u->ctr.alias.info1, map.nt_name, 1, map.comment); break; case 3: r_u->ptr = 1; r_u->ctr.switch_value1 = 3; init_samr_alias_info3(&r_u->ctr.alias.info3, map.comment); break; default: return NT_STATUS_INVALID_INFO_CLASS; } DEBUG(5,("_samr_query_aliasinfo: %d\n", __LINE__)); return r_u->status; } #if 0 /******************************************************************* samr_reply_lookup_ids ********************************************************************/ uint32 _samr_lookup_ids(pipes_struct *p, SAMR_Q_LOOKUP_IDS *q_u, SAMR_R_LOOKUP_IDS *r_u) { uint32 rid[MAX_SAM_ENTRIES]; int num_rids = q_u->num_sids1; r_u->status = NT_STATUS_OK; DEBUG(5,("_samr_lookup_ids: %d\n", __LINE__)); if (num_rids > MAX_SAM_ENTRIES) { num_rids = MAX_SAM_ENTRIES; DEBUG(5,("_samr_lookup_ids: truncating entries to %d\n", num_rids)); } #if 0 int i; SMB_ASSERT_ARRAY(q_u->uni_user_name, num_rids); for (i = 0; i < num_rids && status == 0; i++) { struct sam_passwd *sam_pass; fstring user_name; fstrcpy(user_name, unistrn2(q_u->uni_user_name[i].buffer, q_u->uni_user_name[i].uni_str_len)); /* find the user account */ become_root(); sam_pass = get_smb21pwd_entry(user_name, 0); unbecome_root(); if (sam_pass == NULL) { status = 0xC0000000 | NT_STATUS_NO_SUCH_USER; rid[i] = 0; } else { rid[i] = sam_pass->user_rid; } } #endif num_rids = 1; rid[0] = BUILTIN_ALIAS_RID_USERS; init_samr_r_lookup_ids(&r_u, num_rids, rid, NT_STATUS_OK); DEBUG(5,("_samr_lookup_ids: %d\n", __LINE__)); return r_u->status; } #endif /******************************************************************* _samr_lookup_names ********************************************************************/ NTSTATUS _samr_lookup_names(pipes_struct *p, SAMR_Q_LOOKUP_NAMES *q_u, SAMR_R_LOOKUP_NAMES *r_u) { uint32 rid[MAX_SAM_ENTRIES]; uint32 local_rid; enum SID_NAME_USE type[MAX_SAM_ENTRIES]; enum SID_NAME_USE local_type; int i; int num_rids = q_u->num_names2; DOM_SID pol_sid; fstring sid_str; uint32 acc_granted; r_u->status = NT_STATUS_OK; DEBUG(5,("_samr_lookup_names: %d\n", __LINE__)); ZERO_ARRAY(rid); ZERO_ARRAY(type); if (!get_lsa_policy_samr_sid(p, &q_u->pol, &pol_sid, &acc_granted)) { init_samr_r_lookup_names(p->mem_ctx, r_u, 0, NULL, NULL, NT_STATUS_OBJECT_TYPE_MISMATCH); return r_u->status; } if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, 0, "_samr_lookup_names"))) { /* Don't know the acc_bits yet */ return r_u->status; } if (num_rids > MAX_SAM_ENTRIES) { num_rids = MAX_SAM_ENTRIES; DEBUG(5,("_samr_lookup_names: truncating entries to %d\n", num_rids)); } DEBUG(5,("_samr_lookup_names: looking name on SID %s\n", sid_to_string(sid_str, &pol_sid))); become_root(); /* local_lookup_name can require root privs */ for (i = 0; i < num_rids; i++) { fstring name; DOM_SID sid; r_u->status = NT_STATUS_NONE_MAPPED; rid [i] = 0xffffffff; type[i] = SID_NAME_UNKNOWN; rpcstr_pull(name, q_u->uni_name[i].buffer, sizeof(name), q_u->uni_name[i].uni_str_len*2, 0); /* * we are only looking for a name * the SID we get back can be outside * the scope of the pol_sid * * in clear: it prevents to reply to domain\group: yes * when only builtin\group exists. * * a cleaner code is to add the sid of the domain we're looking in * to the local_lookup_name function. */ if(local_lookup_name(name, &sid, &local_type)) { sid_split_rid(&sid, &local_rid); if (sid_equal(&sid, &pol_sid)) { rid[i]=local_rid; type[i]=local_type; r_u->status = NT_STATUS_OK; } } } unbecome_root(); init_samr_r_lookup_names(p->mem_ctx, r_u, num_rids, rid, (uint32 *)type, r_u->status); DEBUG(5,("_samr_lookup_names: %d\n", __LINE__)); return r_u->status; } /******************************************************************* _samr_chgpasswd_user ********************************************************************/ NTSTATUS _samr_chgpasswd_user(pipes_struct *p, SAMR_Q_CHGPASSWD_USER *q_u, SAMR_R_CHGPASSWD_USER *r_u) { fstring user_name; fstring wks; DEBUG(5,("_samr_chgpasswd_user: %d\n", __LINE__)); r_u->status = NT_STATUS_OK; rpcstr_pull(user_name, q_u->uni_user_name.buffer, sizeof(user_name), q_u->uni_user_name.uni_str_len*2, 0); rpcstr_pull(wks, q_u->uni_dest_host.buffer, sizeof(wks), q_u->uni_dest_host.uni_str_len*2,0); DEBUG(5,("samr_chgpasswd_user: user: %s wks: %s\n", user_name, wks)); /* * Pass the user through the NT -> unix user mapping * function. */ (void)map_username(user_name); /* * UNIX username case mangling not required, pass_oem_change * is case insensitive. */ if (!pass_oem_change(user_name, q_u->lm_newpass.pass, q_u->lm_oldhash.hash, q_u->nt_newpass.pass, q_u->nt_oldhash.hash)) r_u->status = NT_STATUS_WRONG_PASSWORD; init_samr_r_chgpasswd_user(r_u, r_u->status); DEBUG(5,("_samr_chgpasswd_user: %d\n", __LINE__)); return r_u->status; } /******************************************************************* makes a SAMR_R_LOOKUP_RIDS structure. ********************************************************************/ static BOOL make_samr_lookup_rids(TALLOC_CTX *ctx, uint32 num_names, fstring names[], UNIHDR **pp_hdr_name, UNISTR2 **pp_uni_name) { uint32 i; UNIHDR *hdr_name=NULL; UNISTR2 *uni_name=NULL; *pp_uni_name = NULL; *pp_hdr_name = NULL; if (num_names != 0) { hdr_name = (UNIHDR *)talloc_zero(ctx, sizeof(UNIHDR)*num_names); if (hdr_name == NULL) return False; uni_name = (UNISTR2 *)talloc_zero(ctx,sizeof(UNISTR2)*num_names); if (uni_name == NULL) return False; } for (i = 0; i < num_names; i++) { int len = names[i] != NULL ? strlen(names[i]) : 0; DEBUG(10, ("names[%d]:%s\n", i, names[i])); init_uni_hdr(&hdr_name[i], len); init_unistr2(&uni_name[i], names[i], len); } *pp_uni_name = uni_name; *pp_hdr_name = hdr_name; return True; } /******************************************************************* _samr_lookup_rids ********************************************************************/ NTSTATUS _samr_lookup_rids(pipes_struct *p, SAMR_Q_LOOKUP_RIDS *q_u, SAMR_R_LOOKUP_RIDS *r_u) { fstring group_names[MAX_SAM_ENTRIES]; uint32 *group_attrs = NULL; UNIHDR *hdr_name = NULL; UNISTR2 *uni_name = NULL; DOM_SID pol_sid; int num_rids = q_u->num_rids1; int i; uint32 acc_granted; r_u->status = NT_STATUS_OK; DEBUG(5,("_samr_lookup_rids: %d\n", __LINE__)); /* find the policy handle. open a policy on it. */ if (!get_lsa_policy_samr_sid(p, &q_u->pol, &pol_sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; if (num_rids > MAX_SAM_ENTRIES) { num_rids = MAX_SAM_ENTRIES; DEBUG(5,("_samr_lookup_rids: truncating entries to %d\n", num_rids)); } if (num_rids) { if ((group_attrs = (uint32 *)talloc_zero(p->mem_ctx, num_rids * sizeof(uint32))) == NULL) return NT_STATUS_NO_MEMORY; } r_u->status = NT_STATUS_NONE_MAPPED; become_root(); /* lookup_sid can require root privs */ for (i = 0; i < num_rids; i++) { fstring tmpname; fstring domname; DOM_SID sid; enum SID_NAME_USE type; group_attrs[i] = SID_NAME_UNKNOWN; *group_names[i] = '\0'; if (sid_equal(&pol_sid, get_global_sam_sid())) { sid_copy(&sid, &pol_sid); sid_append_rid(&sid, q_u->rid[i]); if (lookup_sid(&sid, domname, tmpname, &type)) { r_u->status = NT_STATUS_OK; group_attrs[i] = (uint32)type; fstrcpy(group_names[i],tmpname); DEBUG(5,("_samr_lookup_rids: %s:%d\n", group_names[i], group_attrs[i])); } } } unbecome_root(); if(!make_samr_lookup_rids(p->mem_ctx, num_rids, group_names, &hdr_name, &uni_name)) return NT_STATUS_NO_MEMORY; init_samr_r_lookup_rids(r_u, num_rids, hdr_name, uni_name, group_attrs); DEBUG(5,("_samr_lookup_rids: %d\n", __LINE__)); return r_u->status; } /******************************************************************* _api_samr_open_user. Safe - gives out no passwd info. ********************************************************************/ NTSTATUS _api_samr_open_user(pipes_struct *p, SAMR_Q_OPEN_USER *q_u, SAMR_R_OPEN_USER *r_u) { SAM_ACCOUNT *sampass=NULL; DOM_SID sid; POLICY_HND domain_pol = q_u->domain_pol; POLICY_HND *user_pol = &r_u->user_pol; struct samr_info *info = NULL; SEC_DESC *psd = NULL; uint32 acc_granted; uint32 des_access = q_u->access_mask; size_t sd_size; BOOL ret; NTSTATUS nt_status; r_u->status = NT_STATUS_OK; /* find the domain policy handle and get domain SID / access bits in the domain policy. */ if (!get_lsa_policy_samr_sid(p, &domain_pol, &sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(nt_status = access_check_samr_function(acc_granted, DOMAIN_ACCESS_OPEN_ACCOUNT, "_samr_open_user"))) { return nt_status; } nt_status = pdb_init_sam_talloc(p->mem_ctx, &sampass); if (!NT_STATUS_IS_OK(nt_status)) { return nt_status; } /* append the user's RID to it */ if (!sid_append_rid(&sid, q_u->user_rid)) return NT_STATUS_NO_SUCH_USER; /* check if access can be granted as requested by client. */ samr_make_usr_obj_sd(p->mem_ctx, &psd, &sd_size, &sid); se_map_generic(&des_access, &usr_generic_mapping); if (!NT_STATUS_IS_OK(nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, "_samr_open_user"))) { return nt_status; } become_root(); ret=pdb_getsampwsid(sampass, &sid); unbecome_root(); /* check that the SID exists in our domain. */ if (ret == False) { return NT_STATUS_NO_SUCH_USER; } pdb_free_sam(&sampass); /* associate the user's SID and access bits with the new handle. */ if ((info = get_samr_info_by_sid(&sid)) == NULL) return NT_STATUS_NO_MEMORY; info->acc_granted = acc_granted; /* get a (unique) handle. open a policy on it. */ if (!create_policy_hnd(p, user_pol, free_samr_info, (void *)info)) return NT_STATUS_OBJECT_NAME_NOT_FOUND; return r_u->status; } /************************************************************************* get_user_info_10. Safe. Only gives out acb bits. *************************************************************************/ static NTSTATUS get_user_info_10(TALLOC_CTX *mem_ctx, SAM_USER_INFO_10 *id10, DOM_SID *user_sid) { SAM_ACCOUNT *smbpass=NULL; BOOL ret; NTSTATUS nt_status; nt_status = pdb_init_sam_talloc(mem_ctx, &smbpass); if (!NT_STATUS_IS_OK(nt_status)) { return nt_status; } become_root(); ret = pdb_getsampwsid(smbpass, user_sid); unbecome_root(); if (ret==False) { DEBUG(4,("User %s not found\n", sid_string_static(user_sid))); return NT_STATUS_NO_SUCH_USER; } DEBUG(3,("User:[%s]\n", pdb_get_username(smbpass) )); ZERO_STRUCTP(id10); init_sam_user_info10(id10, pdb_get_acct_ctrl(smbpass) ); pdb_free_sam(&smbpass); return NT_STATUS_OK; } /************************************************************************* get_user_info_12. OK - this is the killer as it gives out password info. Ensure that this is only allowed on an encrypted connection with a root user. JRA. *************************************************************************/ static NTSTATUS get_user_info_12(pipes_struct *p, TALLOC_CTX *mem_ctx, SAM_USER_INFO_12 * id12, DOM_SID *user_sid) { SAM_ACCOUNT *smbpass=NULL; BOOL ret; NTSTATUS nt_status; if (!p->ntlmssp_auth_validated) return NT_STATUS_ACCESS_DENIED; if (!(p->ntlmssp_chal_flags & NTLMSSP_NEGOTIATE_SIGN) || !(p->ntlmssp_chal_flags & NTLMSSP_NEGOTIATE_SEAL)) return NT_STATUS_ACCESS_DENIED; /* * Do *NOT* do become_root()/unbecome_root() here ! JRA. */ nt_status = pdb_init_sam_talloc(mem_ctx, &smbpass); if (!NT_STATUS_IS_OK(nt_status)) { return nt_status; } ret = pdb_getsampwsid(smbpass, user_sid); if (ret == False) { DEBUG(4, ("User %s not found\n", sid_string_static(user_sid))); pdb_free_sam(&smbpass); return (geteuid() == (uid_t)0) ? NT_STATUS_NO_SUCH_USER : NT_STATUS_ACCESS_DENIED; } DEBUG(3,("User:[%s] 0x%x\n", pdb_get_username(smbpass), pdb_get_acct_ctrl(smbpass) )); if ( pdb_get_acct_ctrl(smbpass) & ACB_DISABLED) { pdb_free_sam(&smbpass); return NT_STATUS_ACCOUNT_DISABLED; } ZERO_STRUCTP(id12); init_sam_user_info12(id12, pdb_get_lanman_passwd(smbpass), pdb_get_nt_passwd(smbpass)); pdb_free_sam(&smbpass); return NT_STATUS_OK; } /************************************************************************* get_user_info_20 *************************************************************************/ static NTSTATUS get_user_info_20(TALLOC_CTX *mem_ctx, SAM_USER_INFO_20 *id20, DOM_SID *user_sid) { SAM_ACCOUNT *sampass=NULL; BOOL ret; pdb_init_sam_talloc(mem_ctx, &sampass); become_root(); ret = pdb_getsampwsid(sampass, user_sid); unbecome_root(); if (ret == False) { DEBUG(4,("User %s not found\n", sid_string_static(user_sid))); return NT_STATUS_NO_SUCH_USER; } samr_clear_sam_passwd(sampass); DEBUG(3,("User:[%s]\n", pdb_get_username(sampass) )); ZERO_STRUCTP(id20); init_sam_user_info20A(id20, sampass); pdb_free_sam(&sampass); return NT_STATUS_OK; } /************************************************************************* get_user_info_21 *************************************************************************/ static NTSTATUS get_user_info_21(TALLOC_CTX *mem_ctx, SAM_USER_INFO_21 *id21, DOM_SID *user_sid, DOM_SID *domain_sid) { SAM_ACCOUNT *sampass=NULL; BOOL ret; NTSTATUS nt_status; nt_status = pdb_init_sam_talloc(mem_ctx, &sampass); if (!NT_STATUS_IS_OK(nt_status)) { return nt_status; } become_root(); ret = pdb_getsampwsid(sampass, user_sid); unbecome_root(); if (ret == False) { DEBUG(4,("User %s not found\n", sid_string_static(user_sid))); return NT_STATUS_NO_SUCH_USER; } samr_clear_sam_passwd(sampass); DEBUG(3,("User:[%s]\n", pdb_get_username(sampass) )); ZERO_STRUCTP(id21); nt_status = init_sam_user_info21A(id21, sampass, domain_sid); pdb_free_sam(&sampass); return NT_STATUS_OK; } /******************************************************************* _samr_query_userinfo ********************************************************************/ NTSTATUS _samr_query_userinfo(pipes_struct *p, SAMR_Q_QUERY_USERINFO *q_u, SAMR_R_QUERY_USERINFO *r_u) { SAM_USERINFO_CTR *ctr; struct samr_info *info = NULL; DOM_SID domain_sid; uint32 rid; r_u->status=NT_STATUS_OK; /* search for the handle */ if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info)) return NT_STATUS_INVALID_HANDLE; domain_sid = info->sid; sid_split_rid(&domain_sid, &rid); if (!sid_check_is_in_our_domain(&info->sid)) return NT_STATUS_OBJECT_TYPE_MISMATCH; DEBUG(5,("_samr_query_userinfo: sid:%s\n", sid_string_static(&info->sid))); ctr = (SAM_USERINFO_CTR *)talloc_zero(p->mem_ctx, sizeof(SAM_USERINFO_CTR)); if (!ctr) return NT_STATUS_NO_MEMORY; ZERO_STRUCTP(ctr); /* ok! user info levels (lots: see MSDEV help), off we go... */ ctr->switch_value = q_u->switch_value; switch (q_u->switch_value) { case 0x10: ctr->info.id10 = (SAM_USER_INFO_10 *)talloc_zero(p->mem_ctx, sizeof(SAM_USER_INFO_10)); if (ctr->info.id10 == NULL) return NT_STATUS_NO_MEMORY; if (!NT_STATUS_IS_OK(r_u->status = get_user_info_10(p->mem_ctx, ctr->info.id10, &info->sid))) return r_u->status; break; #if 0 /* whoops - got this wrong. i think. or don't understand what's happening. */ case 0x11: { NTTIME expire; info = (void *)&id11; expire.low = 0xffffffff; expire.high = 0x7fffffff; ctr->info.id = (SAM_USER_INFO_11 *)talloc_zero(p->mem_ctx, sizeof (*ctr-> info. id11)); ZERO_STRUCTP(ctr->info.id11); init_sam_user_info11(ctr->info.id11, &expire, "BROOKFIELDS$", /* name */ 0x03ef, /* user rid */ 0x201, /* group rid */ 0x0080); /* acb info */ break; } #endif case 0x12: ctr->info.id12 = (SAM_USER_INFO_12 *)talloc_zero(p->mem_ctx, sizeof(SAM_USER_INFO_12)); if (ctr->info.id12 == NULL) return NT_STATUS_NO_MEMORY; if (!NT_STATUS_IS_OK(r_u->status = get_user_info_12(p, p->mem_ctx, ctr->info.id12, &info->sid))) return r_u->status; break; case 20: ctr->info.id20 = (SAM_USER_INFO_20 *)talloc_zero(p->mem_ctx,sizeof(SAM_USER_INFO_20)); if (ctr->info.id20 == NULL) return NT_STATUS_NO_MEMORY; if (!NT_STATUS_IS_OK(r_u->status = get_user_info_20(p->mem_ctx, ctr->info.id20, &info->sid))) return r_u->status; break; case 21: ctr->info.id21 = (SAM_USER_INFO_21 *)talloc_zero(p->mem_ctx,sizeof(SAM_USER_INFO_21)); if (ctr->info.id21 == NULL) return NT_STATUS_NO_MEMORY; if (!NT_STATUS_IS_OK(r_u->status = get_user_info_21(p->mem_ctx, ctr->info.id21, &info->sid, &domain_sid))) return r_u->status; break; default: return NT_STATUS_INVALID_INFO_CLASS; } init_samr_r_query_userinfo(r_u, ctr, r_u->status); DEBUG(5,("_samr_query_userinfo: %d\n", __LINE__)); return r_u->status; } /******************************************************************* samr_reply_query_usergroups ********************************************************************/ NTSTATUS _samr_query_usergroups(pipes_struct *p, SAMR_Q_QUERY_USERGROUPS *q_u, SAMR_R_QUERY_USERGROUPS *r_u) { SAM_ACCOUNT *sam_pass=NULL; DOM_SID sid; DOM_GID *gids = NULL; int num_groups = 0; uint32 acc_granted; BOOL ret; /* * from the SID in the request: * we should send back the list of DOMAIN GROUPS * the user is a member of * * and only the DOMAIN GROUPS * no ALIASES !!! neither aliases of the domain * nor aliases of the builtin SID * * JFM, 12/2/2001 */ r_u->status = NT_STATUS_OK; DEBUG(5,("_samr_query_usergroups: %d\n", __LINE__)); /* find the policy handle. open a policy on it. */ if (!get_lsa_policy_samr_sid(p, &q_u->pol, &sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, USER_ACCESS_GET_GROUPS, "_samr_query_usergroups"))) { return r_u->status; } if (!sid_check_is_in_our_domain(&sid)) return NT_STATUS_OBJECT_TYPE_MISMATCH; pdb_init_sam(&sam_pass); become_root(); ret = pdb_getsampwsid(sam_pass, &sid); unbecome_root(); if (ret == False) { pdb_free_sam(&sam_pass); return NT_STATUS_NO_SUCH_USER; } if(!get_domain_user_groups(p->mem_ctx, &num_groups, &gids, sam_pass)) { pdb_free_sam(&sam_pass); return NT_STATUS_NO_SUCH_GROUP; } /* construct the response. lkclXXXX: gids are not copied! */ init_samr_r_query_usergroups(r_u, num_groups, gids, r_u->status); DEBUG(5,("_samr_query_usergroups: %d\n", __LINE__)); pdb_free_sam(&sam_pass); return r_u->status; } /******************************************************************* _samr_query_dom_info ********************************************************************/ NTSTATUS _samr_query_dom_info(pipes_struct *p, SAMR_Q_QUERY_DOMAIN_INFO *q_u, SAMR_R_QUERY_DOMAIN_INFO *r_u) { struct samr_info *info = NULL; SAM_UNK_CTR *ctr; uint32 min_pass_len,pass_hist,flag; time_t u_expire, u_min_age; NTTIME nt_expire, nt_min_age; time_t u_lock_duration, u_reset_time; NTTIME nt_lock_duration, nt_reset_time; uint32 lockout; time_t u_logout; NTTIME nt_logout; uint32 account_policy_temp; uint32 num_users=0, num_groups=0, num_aliases=0; if ((ctr = (SAM_UNK_CTR *)talloc_zero(p->mem_ctx, sizeof(SAM_UNK_CTR))) == NULL) return NT_STATUS_NO_MEMORY; ZERO_STRUCTP(ctr); r_u->status = NT_STATUS_OK; DEBUG(5,("_samr_query_dom_info: %d\n", __LINE__)); /* find the policy handle. open a policy on it. */ if (!find_policy_by_hnd(p, &q_u->domain_pol, (void **)&info)) return NT_STATUS_INVALID_HANDLE; switch (q_u->switch_value) { case 0x01: account_policy_get(AP_MIN_PASSWORD_LEN, &account_policy_temp); min_pass_len = account_policy_temp; account_policy_get(AP_PASSWORD_HISTORY, &account_policy_temp); pass_hist = account_policy_temp; account_policy_get(AP_USER_MUST_LOGON_TO_CHG_PASS, &account_policy_temp); flag = account_policy_temp; account_policy_get(AP_MAX_PASSWORD_AGE, &account_policy_temp); u_expire = account_policy_temp; account_policy_get(AP_MIN_PASSWORD_AGE, &account_policy_temp); u_min_age = account_policy_temp; unix_to_nt_time_abs(&nt_expire, u_expire); unix_to_nt_time_abs(&nt_min_age, u_min_age); init_unk_info1(&ctr->info.inf1, (uint16)min_pass_len, (uint16)pass_hist, flag, nt_expire, nt_min_age); break; case 0x02: become_root(); r_u->status=load_sampwd_entries(info, ACB_NORMAL, False); unbecome_root(); if (!NT_STATUS_IS_OK(r_u->status)) { DEBUG(5, ("_samr_query_dispinfo: load_sampwd_entries failed\n")); return r_u->status; } num_users=info->disp_info.num_user_account; free_samr_db(info); r_u->status=load_group_domain_entries(info, get_global_sam_sid()); if (!NT_STATUS_IS_OK(r_u->status)) { DEBUG(5, ("_samr_query_dispinfo: load_group_domain_entries failed\n")); return r_u->status; } num_groups=info->disp_info.num_group_account; free_samr_db(info); /* The time call below is to get a sequence number for the sam. FIXME !!! JRA. */ init_unk_info2(&ctr->info.inf2, global_myworkgroup, global_myname, (uint32) time(NULL), num_users, num_groups, num_aliases); break; case 0x03: account_policy_get(AP_TIME_TO_LOGOUT, (int *)&u_logout); unix_to_nt_time_abs(&nt_logout, u_logout); init_unk_info3(&ctr->info.inf3, nt_logout); break; case 0x05: init_unk_info5(&ctr->info.inf5, global_myname); break; case 0x06: init_unk_info6(&ctr->info.inf6); break; case 0x07: init_unk_info7(&ctr->info.inf7); break; case 0x0c: account_policy_get(AP_LOCK_ACCOUNT_DURATION, &account_policy_temp); u_lock_duration = account_policy_temp; account_policy_get(AP_RESET_COUNT_TIME, &account_policy_temp); u_reset_time = account_policy_temp; account_policy_get(AP_BAD_ATTEMPT_LOCKOUT, &account_policy_temp); lockout = account_policy_temp; unix_to_nt_time_abs(&nt_lock_duration, u_lock_duration); unix_to_nt_time_abs(&nt_reset_time, u_reset_time); init_unk_info12(&ctr->info.inf12, nt_lock_duration, nt_reset_time, (uint16)lockout); break; default: return NT_STATUS_INVALID_INFO_CLASS; } init_samr_r_query_dom_info(r_u, q_u->switch_value, ctr, NT_STATUS_OK); DEBUG(5,("_samr_query_dom_info: %d\n", __LINE__)); return r_u->status; } /******************************************************************* _api_samr_create_user Create an account, can be either a normal user or a machine. This funcion will need to be updated for bdc/domain trusts. ********************************************************************/ NTSTATUS _api_samr_create_user(pipes_struct *p, SAMR_Q_CREATE_USER *q_u, SAMR_R_CREATE_USER *r_u) { SAM_ACCOUNT *sam_pass=NULL; fstring account; DOM_SID sid; pstring add_script; POLICY_HND dom_pol = q_u->domain_pol; UNISTR2 user_account = q_u->uni_name; uint16 acb_info = q_u->acb_info; POLICY_HND *user_pol = &r_u->user_pol; struct samr_info *info = NULL; BOOL ret; NTSTATUS nt_status; struct passwd *pw; uint32 acc_granted; SEC_DESC *psd; size_t sd_size; uint32 des_access; /* Get the domain SID stored in the domain policy */ if (!get_lsa_policy_samr_sid(p, &dom_pol, &sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(nt_status = access_check_samr_function(acc_granted, DOMAIN_ACCESS_CREATE_USER, "_samr_create_user"))) { return nt_status; } /* find the account: tell the caller if it exists. lkclXXXX i have *no* idea if this is a problem or not or even if you are supposed to construct a different reply if the account already exists... */ rpcstr_pull(account, user_account.buffer, sizeof(account), user_account.uni_str_len*2, 0); strlower(account); pdb_init_sam(&sam_pass); become_root(); ret = pdb_getsampwnam(sam_pass, account); unbecome_root(); if (ret == True) { /* this account exists: say so */ pdb_free_sam(&sam_pass); return NT_STATUS_USER_EXISTS; } pdb_free_sam(&sam_pass); /* * NB. VERY IMPORTANT ! This call must be done as the current pipe user, * *NOT* surrounded by a become_root()/unbecome_root() call. This ensures * that only people with write access to the smbpasswd file will be able * to create a user. JRA. */ /* * add the user in the /etc/passwd file or the unix authority system. * We don't check if the smb_create_user() function succed or not for 2 reasons: * a) local_password_change() checks for us if the /etc/passwd account really exists * b) smb_create_user() would return an error if the account already exists * and as it could return an error also if it can't create the account, it would be tricky. * * So we go the easy way, only check after if the account exists. * JFM (2/3/2001), to clear any possible bad understanding (-: * * We now have seperate script paramaters for adding users/machines so we * now have some sainity-checking to match. */ DEBUG(10,("checking account %s at pos %d for $ termination\n",account, strlen(account)-1)); #if 0 if ((acb_info & ACB_WSTRUST) && (account[strlen(account)-1] == '$')) { pstrcpy(add_script, lp_addmachine_script()); } else if ((!(acb_info & ACB_WSTRUST)) && (account[strlen(account)-1] != '$')) { pstrcpy(add_script, lp_adduser_script()); } else { DEBUG(0, ("_api_samr_create_user: mismatch between trust flags and $ termination\n")); pdb_free_sam(&sam_pass); return NT_STATUS_UNSUCCESSFUL; } #endif /* * we can't check both the ending $ and the acb_info. * * UserManager creates trust accounts (ending in $, * normal that hidden accounts) with the acb_info equals to ACB_NORMAL. * JFM, 11/29/2001 */ if (account[strlen(account)-1] == '$') pstrcpy(add_script, lp_addmachine_script()); else pstrcpy(add_script, lp_adduser_script()); if (*add_script) { int add_ret; all_string_sub(add_script, "%u", account, sizeof(account)); add_ret = smbrun(add_script,NULL); DEBUG(3,("_api_samr_create_user: Running the command `%s' gave %d\n", add_script, add_ret)); } pw = getpwnam_alloc(account); if (pw) { if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_pw(&sam_pass, pw))) { passwd_free(&pw); return nt_status; } passwd_free(&pw); /* done with this now */ } else { DEBUG(3,("attempting to create non-unix account %s\n", account)); if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam(&sam_pass))) { return nt_status; } if (!pdb_set_username(sam_pass, account)) { pdb_free_sam(&sam_pass); return NT_STATUS_NO_MEMORY; } } pdb_set_acct_ctrl(sam_pass, acb_info); if (!pdb_add_sam_account(sam_pass)) { pdb_free_sam(&sam_pass); DEBUG(0, ("could not add user/computer %s to passdb. Check permissions?\n", account)); return NT_STATUS_ACCESS_DENIED; } pdb_reset_sam(sam_pass); if (!pdb_getsampwnam(sam_pass, account)) { pdb_free_sam(&sam_pass); DEBUG(0, ("could not find user/computer %s just added to passdb?!?\n", account)); return NT_STATUS_ACCESS_DENIED; } /* Get the user's SID */ sid_copy(&sid, pdb_get_user_sid(sam_pass)); samr_make_usr_obj_sd(p->mem_ctx, &psd, &sd_size, &sid); se_map_generic(&des_access, &usr_generic_mapping); if (!NT_STATUS_IS_OK(nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, "_samr_create_user"))) { return nt_status; } /* associate the user's SID with the new handle. */ if ((info = get_samr_info_by_sid(&sid)) == NULL) { pdb_free_sam(&sam_pass); return NT_STATUS_NO_MEMORY; } ZERO_STRUCTP(info); info->sid = sid; info->acc_granted = acc_granted; /* get a (unique) handle. open a policy on it. */ if (!create_policy_hnd(p, user_pol, free_samr_info, (void *)info)) { pdb_free_sam(&sam_pass); return NT_STATUS_OBJECT_NAME_NOT_FOUND; } r_u->user_rid=pdb_get_user_rid(sam_pass); r_u->access_granted = acc_granted; pdb_free_sam(&sam_pass); return NT_STATUS_OK; } /******************************************************************* samr_reply_connect_anon ********************************************************************/ NTSTATUS _samr_connect_anon(pipes_struct *p, SAMR_Q_CONNECT_ANON *q_u, SAMR_R_CONNECT_ANON *r_u) { struct samr_info *info = NULL; /* Access check */ if (!pipe_access_check(p)) { DEBUG(3, ("access denied to samr_connect_anon\n")); r_u->status = NT_STATUS_ACCESS_DENIED; return r_u->status; } /* set up the SAMR connect_anon response */ r_u->status = NT_STATUS_OK; /* associate the user's SID with the new handle. */ if ((info = get_samr_info_by_sid(NULL)) == NULL) return NT_STATUS_NO_MEMORY; info->status = q_u->unknown_0; /* get a (unique) handle. open a policy on it. */ if (!create_policy_hnd(p, &r_u->connect_pol, free_samr_info, (void *)info)) return NT_STATUS_OBJECT_NAME_NOT_FOUND; return r_u->status; } /******************************************************************* samr_reply_connect ********************************************************************/ NTSTATUS _samr_connect(pipes_struct *p, SAMR_Q_CONNECT *q_u, SAMR_R_CONNECT *r_u) { struct samr_info *info = NULL; SEC_DESC *psd = NULL; uint32 acc_granted; uint32 des_access = q_u->access_mask; size_t sd_size; NTSTATUS nt_status; DEBUG(5,("_samr_connect: %d\n", __LINE__)); /* Access check */ if (!pipe_access_check(p)) { DEBUG(3, ("access denied to samr_connect\n")); r_u->status = NT_STATUS_ACCESS_DENIED; return r_u->status; } samr_make_sam_obj_sd(p->mem_ctx, &psd, &sd_size); se_map_generic(&des_access, &sam_generic_mapping); if (!NT_STATUS_IS_OK(nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, "_samr_connect"))) { return nt_status; } r_u->status = NT_STATUS_OK; /* associate the user's SID and access granted with the new handle. */ if ((info = get_samr_info_by_sid(NULL)) == NULL) return NT_STATUS_NO_MEMORY; info->acc_granted = acc_granted; info->status = q_u->access_mask; /* get a (unique) handle. open a policy on it. */ if (!create_policy_hnd(p, &r_u->connect_pol, free_samr_info, (void *)info)) return NT_STATUS_OBJECT_NAME_NOT_FOUND; DEBUG(5,("_samr_connect: %d\n", __LINE__)); return r_u->status; } /******************************************************************* samr_connect4 ********************************************************************/ NTSTATUS _samr_connect4(pipes_struct *p, SAMR_Q_CONNECT4 *q_u, SAMR_R_CONNECT4 *r_u) { struct samr_info *info = NULL; SEC_DESC *psd = NULL; uint32 acc_granted; uint32 des_access = q_u->access_mask; size_t sd_size; NTSTATUS nt_status; DEBUG(5,("_samr_connect4: %d\n", __LINE__)); /* Access check */ if (!pipe_access_check(p)) { DEBUG(3, ("access denied to samr_connect4\n")); r_u->status = NT_STATUS_ACCESS_DENIED; return r_u->status; } samr_make_sam_obj_sd(p->mem_ctx, &psd, &sd_size); se_map_generic(&des_access, &sam_generic_mapping); if (!NT_STATUS_IS_OK(nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, "_samr_connect"))) { return nt_status; } r_u->status = NT_STATUS_OK; /* associate the user's SID and access granted with the new handle. */ if ((info = get_samr_info_by_sid(NULL)) == NULL) return NT_STATUS_NO_MEMORY; info->acc_granted = acc_granted; info->status = q_u->access_mask; /* get a (unique) handle. open a policy on it. */ if (!create_policy_hnd(p, &r_u->connect_pol, free_samr_info, (void *)info)) return NT_STATUS_OBJECT_NAME_NOT_FOUND; DEBUG(5,("_samr_connect: %d\n", __LINE__)); return r_u->status; } /********************************************************************** api_samr_lookup_domain **********************************************************************/ NTSTATUS _samr_lookup_domain(pipes_struct *p, SAMR_Q_LOOKUP_DOMAIN *q_u, SAMR_R_LOOKUP_DOMAIN *r_u) { struct samr_info *info; fstring domain_name; DOM_SID sid; r_u->status = NT_STATUS_OK; if (!find_policy_by_hnd(p, &q_u->connect_pol, (void**)&info)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(info->acc_granted, SAMR_ACCESS_OPEN_DOMAIN, "_samr_lookup_domain"))) { return r_u->status; } rpcstr_pull(domain_name, q_u->uni_domain.buffer, sizeof(domain_name), q_u->uni_domain.uni_str_len*2, 0); ZERO_STRUCT(sid); if (!secrets_fetch_domain_sid(domain_name, &sid)) { r_u->status = NT_STATUS_NO_SUCH_DOMAIN; } DEBUG(2,("Returning domain sid for domain %s -> %s\n", domain_name, sid_string_static(&sid))); init_samr_r_lookup_domain(r_u, &sid, r_u->status); return r_u->status; } /****************************************************************** makes a SAMR_R_ENUM_DOMAINS structure. ********************************************************************/ static BOOL make_enum_domains(TALLOC_CTX *ctx, SAM_ENTRY **pp_sam, UNISTR2 **pp_uni_name, uint32 num_sam_entries, fstring doms[]) { uint32 i; SAM_ENTRY *sam; UNISTR2 *uni_name; DEBUG(5, ("make_enum_domains\n")); *pp_sam = NULL; *pp_uni_name = NULL; if (num_sam_entries == 0) return True; sam = (SAM_ENTRY *)talloc_zero(ctx, sizeof(SAM_ENTRY)*num_sam_entries); uni_name = (UNISTR2 *)talloc_zero(ctx, sizeof(UNISTR2)*num_sam_entries); if (sam == NULL || uni_name == NULL) return False; for (i = 0; i < num_sam_entries; i++) { int len = doms[i] != NULL ? strlen(doms[i]) : 0; init_sam_entry(&sam[i], len, 0); init_unistr2(&uni_name[i], doms[i], len); } *pp_sam = sam; *pp_uni_name = uni_name; return True; } /********************************************************************** api_samr_enum_domains **********************************************************************/ NTSTATUS _samr_enum_domains(pipes_struct *p, SAMR_Q_ENUM_DOMAINS *q_u, SAMR_R_ENUM_DOMAINS *r_u) { struct samr_info *info; uint32 num_entries = 2; fstring dom[2]; char *name; r_u->status = NT_STATUS_OK; if (!find_policy_by_hnd(p, &q_u->pol, (void**)&info)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(info->acc_granted, SAMR_ACCESS_ENUM_DOMAINS, "_samr_enum_domains"))) { return r_u->status; } switch (lp_server_role()) { case ROLE_DOMAIN_PDC: case ROLE_DOMAIN_BDC: name = global_myworkgroup; break; default: name = global_myname; } fstrcpy(dom[0],name); strupper(dom[0]); fstrcpy(dom[1],"Builtin"); if (!make_enum_domains(p->mem_ctx, &r_u->sam, &r_u->uni_dom_name, num_entries, dom)) return NT_STATUS_NO_MEMORY; init_samr_r_enum_domains(r_u, q_u->start_idx + num_entries, num_entries); return r_u->status; } /******************************************************************* api_samr_open_alias ********************************************************************/ NTSTATUS _api_samr_open_alias(pipes_struct *p, SAMR_Q_OPEN_ALIAS *q_u, SAMR_R_OPEN_ALIAS *r_u) { DOM_SID sid; POLICY_HND domain_pol = q_u->dom_pol; uint32 alias_rid = q_u->rid_alias; POLICY_HND *alias_pol = &r_u->pol; struct samr_info *info = NULL; SEC_DESC *psd = NULL; uint32 acc_granted; uint32 des_access = q_u->access_mask; size_t sd_size; NTSTATUS status; r_u->status = NT_STATUS_OK; /* find the domain policy and get the SID / access bits stored in the domain policy */ if (!get_lsa_policy_samr_sid(p, &domain_pol, &sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(status = access_check_samr_function(acc_granted, DOMAIN_ACCESS_OPEN_ACCOUNT, "_samr_open_alias"))) { return status; } /* append the alias' RID to it */ if (!sid_append_rid(&sid, alias_rid)) return NT_STATUS_NO_SUCH_USER; /*check if access can be granted as requested by client. */ samr_make_ali_obj_sd(p->mem_ctx, &psd, &sd_size); se_map_generic(&des_access,&ali_generic_mapping); if (!NT_STATUS_IS_OK(status = access_check_samr_object(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, "_samr_open_alias"))) { return status; } /* * we should check if the rid really exist !!! * JFM. */ /* associate the user's SID with the new handle. */ if ((info = get_samr_info_by_sid(&sid)) == NULL) return NT_STATUS_NO_MEMORY; info->acc_granted = acc_granted; /* get a (unique) handle. open a policy on it. */ if (!create_policy_hnd(p, alias_pol, free_samr_info, (void *)info)) return NT_STATUS_OBJECT_NAME_NOT_FOUND; return r_u->status; } /******************************************************************* set_user_info_10 ********************************************************************/ static BOOL set_user_info_10(const SAM_USER_INFO_10 *id10, DOM_SID *sid) { SAM_ACCOUNT *pwd =NULL; BOOL ret; pdb_init_sam(&pwd); ret = pdb_getsampwsid(pwd, sid); if(ret==False) { pdb_free_sam(&pwd); return False; } if (id10 == NULL) { DEBUG(5, ("set_user_info_10: NULL id10\n")); pdb_free_sam(&pwd); return False; } if (!pdb_set_acct_ctrl(pwd, id10->acb_info)) { pdb_free_sam(&pwd); return False; } if(!pdb_update_sam_account(pwd)) { pdb_free_sam(&pwd); return False; } pdb_free_sam(&pwd); return True; } /******************************************************************* set_user_info_12 ********************************************************************/ static BOOL set_user_info_12(SAM_USER_INFO_12 *id12, DOM_SID *sid) { SAM_ACCOUNT *pwd = NULL; pdb_init_sam(&pwd); if(!pdb_getsampwsid(pwd, sid)) { pdb_free_sam(&pwd); return False; } if (id12 == NULL) { DEBUG(2, ("set_user_info_12: id12 is NULL\n")); pdb_free_sam(&pwd); return False; } if (!pdb_set_lanman_passwd (pwd, id12->lm_pwd)) { pdb_free_sam(&pwd); return False; } if (!pdb_set_nt_passwd (pwd, id12->nt_pwd)) { pdb_free_sam(&pwd); return False; } if (!pdb_set_pass_changed_now (pwd)) { pdb_free_sam(&pwd); return False; } if(!pdb_update_sam_account(pwd)) { pdb_free_sam(&pwd); return False; } pdb_free_sam(&pwd); return True; } /******************************************************************* set_user_info_21 ********************************************************************/ static BOOL set_user_info_21(SAM_USER_INFO_21 *id21, DOM_SID *sid) { SAM_ACCOUNT *pwd = NULL; if (id21 == NULL) { DEBUG(5, ("set_user_info_21: NULL id21\n")); return False; } pdb_init_sam(&pwd); if (!pdb_getsampwsid(pwd, sid)) { pdb_free_sam(&pwd); return False; } copy_id21_to_sam_passwd(pwd, id21); /* * The funny part about the previous two calls is * that pwd still has the password hashes from the * passdb entry. These have not been updated from * id21. I don't know if they need to be set. --jerry */ /* write the change out */ if(!pdb_update_sam_account(pwd)) { pdb_free_sam(&pwd); return False; } pdb_free_sam(&pwd); return True; } /******************************************************************* set_user_info_23 ********************************************************************/ static BOOL set_user_info_23(SAM_USER_INFO_23 *id23, DOM_SID *sid) { SAM_ACCOUNT *pwd = NULL; pstring plaintext_buf; uint32 len; uint16 acct_ctrl; if (id23 == NULL) { DEBUG(5, ("set_user_info_23: NULL id23\n")); return False; } pdb_init_sam(&pwd); if (!pdb_getsampwsid(pwd, sid)) { pdb_free_sam(&pwd); return False; } DEBUG(5, ("Attempting administrator password change (level 23) for user %s\n", pdb_get_username(pwd))); acct_ctrl = pdb_get_acct_ctrl(pwd); if (!decode_pw_buffer((char*)id23->pass, plaintext_buf, 256, &len)) { pdb_free_sam(&pwd); return False; } if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) { pdb_free_sam(&pwd); return False; } copy_id23_to_sam_passwd(pwd, id23); /* if it's a trust account, don't update /etc/passwd */ if ( (!IS_SAM_UNIX_USER(pwd)) || ( (acct_ctrl & ACB_DOMTRUST) == ACB_DOMTRUST ) || ( (acct_ctrl & ACB_WSTRUST) == ACB_WSTRUST) || ( (acct_ctrl & ACB_SVRTRUST) == ACB_SVRTRUST) ) { DEBUG(5, ("Changing trust account or non-unix-user password, not updating /etc/passwd\n")); } else { /* update the UNIX password */ if (lp_unix_password_sync() ) if(!chgpasswd(pdb_get_username(pwd), "", plaintext_buf, True)) { pdb_free_sam(&pwd); return False; } } ZERO_STRUCT(plaintext_buf); if(!pdb_update_sam_account(pwd)) { pdb_free_sam(&pwd); return False; } pdb_free_sam(&pwd); return True; } /******************************************************************* set_user_info_pw ********************************************************************/ static BOOL set_user_info_pw(char *pass, DOM_SID *sid) { SAM_ACCOUNT *pwd = NULL; uint32 len; pstring plaintext_buf; uint16 acct_ctrl; pdb_init_sam(&pwd); if (!pdb_getsampwsid(pwd, sid)) { pdb_free_sam(&pwd); return False; } DEBUG(5, ("Attempting administrator password change for user %s\n", pdb_get_username(pwd))); acct_ctrl = pdb_get_acct_ctrl(pwd); ZERO_STRUCT(plaintext_buf); if (!decode_pw_buffer(pass, plaintext_buf, 256, &len)) { pdb_free_sam(&pwd); return False; } if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) { pdb_free_sam(&pwd); return False; } /* if it's a trust account, don't update /etc/passwd */ if ( (!IS_SAM_UNIX_USER(pwd)) || ( (acct_ctrl & ACB_DOMTRUST) == ACB_DOMTRUST ) || ( (acct_ctrl & ACB_WSTRUST) == ACB_WSTRUST) || ( (acct_ctrl & ACB_SVRTRUST) == ACB_SVRTRUST) ) { DEBUG(5, ("Changing trust account or non-unix-user password, not updating /etc/passwd\n")); } else { /* update the UNIX password */ if (lp_unix_password_sync()) { if(!chgpasswd(pdb_get_username(pwd), "", plaintext_buf, True)) { pdb_free_sam(&pwd); return False; } } } ZERO_STRUCT(plaintext_buf); DEBUG(5,("set_user_info_pw: pdb_update_pwd()\n")); /* update the SAMBA password */ if(!pdb_update_sam_account(pwd)) { pdb_free_sam(&pwd); return False; } pdb_free_sam(&pwd); return True; } /******************************************************************* samr_reply_set_userinfo ********************************************************************/ NTSTATUS _samr_set_userinfo(pipes_struct *p, SAMR_Q_SET_USERINFO *q_u, SAMR_R_SET_USERINFO *r_u) { DOM_SID sid; POLICY_HND *pol = &q_u->pol; uint16 switch_value = q_u->switch_value; SAM_USERINFO_CTR *ctr = q_u->ctr; uint32 acc_granted; uint32 acc_required; DEBUG(5, ("_samr_set_userinfo: %d\n", __LINE__)); r_u->status = NT_STATUS_OK; /* find the policy handle. open a policy on it. */ if (!get_lsa_policy_samr_sid(p, pol, &sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; acc_required = USER_ACCESS_SET_LOC_COM | USER_ACCESS_SET_ATTRIBUTES; /* This is probably wrong */ if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, acc_required, "_samr_set_userinfo"))) { return r_u->status; } DEBUG(5, ("_samr_set_userinfo: sid:%s, level:%d\n", sid_string_static(&sid), switch_value)); if (ctr == NULL) { DEBUG(5, ("_samr_set_userinfo: NULL info level\n")); return NT_STATUS_INVALID_INFO_CLASS; } /* ok! user info levels (lots: see MSDEV help), off we go... */ switch (switch_value) { case 0x12: if (!set_user_info_12(ctr->info.id12, &sid)) return NT_STATUS_ACCESS_DENIED; break; case 24: SamOEMhash(ctr->info.id24->pass, p->session_key, 516); dump_data(100, (char *)ctr->info.id24->pass, 516); if (!set_user_info_pw((char *)ctr->info.id24->pass, &sid)) return NT_STATUS_ACCESS_DENIED; break; case 25: #if 0 /* * Currently we don't really know how to unmarshall * the level 25 struct, and the password encryption * is different. This is a placeholder for when we * do understand it. In the meantime just return INVALID * info level and W2K SP2 drops down to level 23... JRA. */ SamOEMhash(ctr->info.id25->pass, p->session_key, 532); dump_data(100, (char *)ctr->info.id25->pass, 532); if (!set_user_info_pw(ctr->info.id25->pass, &sid)) return NT_STATUS_ACCESS_DENIED; break; #endif return NT_STATUS_INVALID_INFO_CLASS; case 23: SamOEMhash(ctr->info.id23->pass, p->session_key, 516); dump_data(100, (char *)ctr->info.id23->pass, 516); if (!set_user_info_23(ctr->info.id23, &sid)) return NT_STATUS_ACCESS_DENIED; break; default: return NT_STATUS_INVALID_INFO_CLASS; } return r_u->status; } /******************************************************************* samr_reply_set_userinfo2 ********************************************************************/ NTSTATUS _samr_set_userinfo2(pipes_struct *p, SAMR_Q_SET_USERINFO2 *q_u, SAMR_R_SET_USERINFO2 *r_u) { DOM_SID sid; SAM_USERINFO_CTR *ctr = q_u->ctr; POLICY_HND *pol = &q_u->pol; uint16 switch_value = q_u->switch_value; uint32 acc_granted; uint32 acc_required; DEBUG(5, ("samr_reply_set_userinfo2: %d\n", __LINE__)); r_u->status = NT_STATUS_OK; /* find the policy handle. open a policy on it. */ if (!get_lsa_policy_samr_sid(p, pol, &sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; acc_required = USER_ACCESS_SET_LOC_COM | USER_ACCESS_SET_ATTRIBUTES; /* This is probably wrong */ if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, acc_required, "_samr_set_userinfo2"))) { return r_u->status; } DEBUG(5, ("samr_reply_set_userinfo2: sid:%s\n", sid_string_static(&sid))); if (ctr == NULL) { DEBUG(5, ("samr_reply_set_userinfo2: NULL info level\n")); return NT_STATUS_INVALID_INFO_CLASS; } switch_value=ctr->switch_value; /* ok! user info levels (lots: see MSDEV help), off we go... */ switch (switch_value) { case 21: if (!set_user_info_21(ctr->info.id21, &sid)) return NT_STATUS_ACCESS_DENIED; break; case 16: if (!set_user_info_10(ctr->info.id10, &sid)) return NT_STATUS_ACCESS_DENIED; break; case 18: /* Used by AS/U JRA. */ if (!set_user_info_12(ctr->info.id12, &sid)) return NT_STATUS_ACCESS_DENIED; break; default: return NT_STATUS_INVALID_INFO_CLASS; } return r_u->status; } /********************************************************************* _samr_query_aliasmem *********************************************************************/ NTSTATUS _samr_query_useraliases(pipes_struct *p, SAMR_Q_QUERY_USERALIASES *q_u, SAMR_R_QUERY_USERALIASES *r_u) { int num_groups = 0, tmp_num_groups=0; uint32 *rids=NULL, *new_rids=NULL, *tmp_rids=NULL; struct samr_info *info = NULL; int i,j; NTSTATUS ntstatus1; NTSTATUS ntstatus2; /* until i see a real useraliases query, we fack one up */ /* I have seen one, JFM 2/12/2001 */ /* * Explanation of what this call does: * for all the SID given in the request: * return a list of alias (local groups) * that have those SID as members. * * and that's the alias in the domain specified * in the policy_handle * * if the policy handle is on an incorrect sid * for example a user's sid * we should reply NT_STATUS_OBJECT_TYPE_MISMATCH */ r_u->status = NT_STATUS_OK; DEBUG(5,("_samr_query_useraliases: %d\n", __LINE__)); /* find the policy handle. open a policy on it. */ if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info)) return NT_STATUS_INVALID_HANDLE; ntstatus1 = access_check_samr_function(info->acc_granted, DOMAIN_ACCESS_LOOKUP_ALIAS_BY_MEM, "_samr_query_useraliases"); ntstatus2 = access_check_samr_function(info->acc_granted, DOMAIN_ACCESS_OPEN_ACCOUNT, "_samr_query_useraliases"); if (!NT_STATUS_IS_OK(ntstatus1) || !NT_STATUS_IS_OK(ntstatus2)) { if (!(NT_STATUS_EQUAL(ntstatus1,NT_STATUS_ACCESS_DENIED) && NT_STATUS_IS_OK(ntstatus2)) && !(NT_STATUS_EQUAL(ntstatus1,NT_STATUS_ACCESS_DENIED) && NT_STATUS_IS_OK(ntstatus1))) { return (NT_STATUS_IS_OK(ntstatus1)) ? ntstatus2 : ntstatus1; } } if (!sid_check_is_domain(&info->sid) && !sid_check_is_builtin(&info->sid)) return NT_STATUS_OBJECT_TYPE_MISMATCH; for (i=0; inum_sids1; i++) { r_u->status=get_alias_user_groups(p->mem_ctx, &info->sid, &tmp_num_groups, &tmp_rids, &(q_u->sid[i].sid)); /* * if there is an error, we just continue as * it can be an unfound user or group */ if (!NT_STATUS_IS_OK(r_u->status)) { DEBUG(10,("_samr_query_useraliases: an error occured while getting groups\n")); continue; } if (tmp_num_groups==0) { DEBUG(10,("_samr_query_useraliases: no groups found\n")); continue; } new_rids=(uint32 *)talloc_realloc(p->mem_ctx, rids, (num_groups+tmp_num_groups)*sizeof(uint32)); if (new_rids==NULL) { DEBUG(0,("_samr_query_useraliases: could not realloc memory\n")); return NT_STATUS_NO_MEMORY; } rids=new_rids; for (j=0; jalias_pol, &alias_sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, ALIAS_ACCESS_GET_MEMBERS, "_samr_query_aliasmem"))) { return r_u->status; } sid_copy(&als_sid, &alias_sid); sid_to_string(alias_sid_str, &alias_sid); sid_split_rid(&alias_sid, &alias_rid); DEBUG(10, ("sid is %s\n", alias_sid_str)); if (sid_equal(&alias_sid, &global_sid_Builtin)) { DEBUG(10, ("lookup on Builtin SID (S-1-5-32)\n")); if(!get_local_group_from_sid(als_sid, &map, MAPPING_WITHOUT_PRIV)) return NT_STATUS_NO_SUCH_ALIAS; } else { if (sid_equal(&alias_sid, get_global_sam_sid())) { DEBUG(10, ("lookup on Server SID\n")); if(!get_local_group_from_sid(als_sid, &map, MAPPING_WITHOUT_PRIV)) return NT_STATUS_NO_SUCH_ALIAS; } } if(!get_uid_list_of_group(map.gid, &uid, &num_uids)) return NT_STATUS_NO_SUCH_ALIAS; DEBUG(10, ("sid is %s\n", alias_sid_str)); sid = (DOM_SID2 *)talloc_zero(p->mem_ctx, sizeof(DOM_SID2) * num_uids); if (num_uids!=0 && sid == NULL) return NT_STATUS_NO_MEMORY; for (i = 0; i < num_uids; i++) { struct passwd *pass; uint32 rid; sid_copy(&temp_sid, get_global_sam_sid()); pass = getpwuid_alloc(uid[i]); if (!pass) continue; if (!NT_STATUS_IS_OK(pdb_init_sam(&sam_user))) { passwd_free(&pass); continue; } become_root(); check = pdb_getsampwnam(sam_user, pass->pw_name); unbecome_root(); if (check != True) { pdb_free_sam(&sam_user); passwd_free(&pass); continue; } rid = pdb_get_user_rid(sam_user); if (rid == 0) { pdb_free_sam(&sam_user); passwd_free(&pass); continue; } pdb_free_sam(&sam_user); passwd_free(&pass); sid_append_rid(&temp_sid, rid); init_dom_sid2(&sid[i], &temp_sid); } DEBUG(10, ("sid is %s\n", alias_sid_str)); init_samr_r_query_aliasmem(r_u, num_uids, sid, NT_STATUS_OK); return NT_STATUS_OK; } /********************************************************************* _samr_query_groupmem *********************************************************************/ NTSTATUS _samr_query_groupmem(pipes_struct *p, SAMR_Q_QUERY_GROUPMEM *q_u, SAMR_R_QUERY_GROUPMEM *r_u) { int num_uids = 0; int i; DOM_SID group_sid; uint32 group_rid; fstring group_sid_str; uid_t *uid=NULL; GROUP_MAP map; uint32 *rid=NULL; uint32 *attr=NULL; SAM_ACCOUNT *sam_user = NULL; BOOL check; uint32 acc_granted; /* find the policy handle. open a policy on it. */ if (!get_lsa_policy_samr_sid(p, &q_u->group_pol, &group_sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, GROUP_ACCESS_GET_MEMBERS, "_samr_query_groupmem"))) { return r_u->status; } /* todo: change to use sid_compare_front */ sid_split_rid(&group_sid, &group_rid); sid_to_string(group_sid_str, &group_sid); DEBUG(10, ("sid is %s\n", group_sid_str)); /* can we get a query for an SID outside our domain ? */ if (!sid_equal(&group_sid, get_global_sam_sid())) return NT_STATUS_NO_SUCH_GROUP; sid_append_rid(&group_sid, group_rid); DEBUG(10, ("lookup on Domain SID\n")); if(!get_domain_group_from_sid(group_sid, &map, MAPPING_WITHOUT_PRIV)) return NT_STATUS_NO_SUCH_GROUP; if(!get_uid_list_of_group(map.gid, &uid, &num_uids)) return NT_STATUS_NO_SUCH_GROUP; rid=talloc_zero(p->mem_ctx, sizeof(uint32)*num_uids); attr=talloc_zero(p->mem_ctx, sizeof(uint32)*num_uids); if (num_uids!=0 && (rid==NULL || attr==NULL)) return NT_STATUS_NO_MEMORY; for (i=0; ipw_name); unbecome_root(); if (check != True) { pdb_free_sam(&sam_user); passwd_free(&pass); continue; } urid = pdb_get_user_rid(sam_user); if (urid == 0) { pdb_free_sam(&sam_user); passwd_free(&pass); continue; } pdb_free_sam(&sam_user); passwd_free(&pass); rid[i] = urid; attr[i] = SID_NAME_USER; } init_samr_r_query_groupmem(r_u, num_uids, rid, attr, NT_STATUS_OK); return NT_STATUS_OK; } /********************************************************************* _samr_add_aliasmem *********************************************************************/ NTSTATUS _samr_add_aliasmem(pipes_struct *p, SAMR_Q_ADD_ALIASMEM *q_u, SAMR_R_ADD_ALIASMEM *r_u) { DOM_SID alias_sid; fstring alias_sid_str; uid_t uid; struct passwd *pwd; struct group *grp; fstring grp_name; GROUP_MAP map; NTSTATUS ret; SAM_ACCOUNT *sam_user = NULL; BOOL check; uint32 acc_granted; /* Find the policy handle. Open a policy on it. */ if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, ALIAS_ACCESS_ADD_MEMBER, "_samr_add_aliasmem"))) { return r_u->status; } sid_to_string(alias_sid_str, &alias_sid); DEBUG(10, ("sid is %s\n", alias_sid_str)); if (sid_compare(&alias_sid, get_global_sam_sid())>0) { DEBUG(10, ("adding member on Server SID\n")); if(!get_local_group_from_sid(alias_sid, &map, MAPPING_WITHOUT_PRIV)) return NT_STATUS_NO_SUCH_ALIAS; } else { if (sid_compare(&alias_sid, &global_sid_Builtin)>0) { DEBUG(10, ("adding member on BUILTIN SID\n")); if( !get_local_group_from_sid(alias_sid, &map, MAPPING_WITHOUT_PRIV)) return NT_STATUS_NO_SUCH_ALIAS; } else return NT_STATUS_NO_SUCH_ALIAS; } ret = pdb_init_sam(&sam_user); if (!NT_STATUS_IS_OK(ret)) return ret; check = pdb_getsampwsid(sam_user, &q_u->sid.sid); if (check != True) { pdb_free_sam(&sam_user); return NT_STATUS_NO_SUCH_USER; } uid = pdb_get_uid(sam_user); if (uid == -1) { pdb_free_sam(&sam_user); return NT_STATUS_NO_SUCH_USER; } pdb_free_sam(&sam_user); if ((pwd=getpwuid_alloc(uid)) == NULL) { return NT_STATUS_NO_SUCH_USER; } else { passwd_free(&pwd); } if ((grp=getgrgid(map.gid)) == NULL) return NT_STATUS_NO_SUCH_ALIAS; /* we need to copy the name otherwise it's overloaded in user_in_group_list */ fstrcpy(grp_name, grp->gr_name); /* if the user is already in the group */ if(user_in_group_list(pwd->pw_name, grp_name)) return NT_STATUS_MEMBER_IN_ALIAS; /* * ok, the group exist, the user exist, the user is not in the group, * we can (finally) add it to the group ! */ smb_add_user_group(grp_name, pwd->pw_name); /* check if the user has been added then ... */ if(!user_in_group_list(pwd->pw_name, grp_name)) return NT_STATUS_MEMBER_NOT_IN_ALIAS; /* don't know what to reply else */ return NT_STATUS_OK; } /********************************************************************* _samr_del_aliasmem *********************************************************************/ NTSTATUS _samr_del_aliasmem(pipes_struct *p, SAMR_Q_DEL_ALIASMEM *q_u, SAMR_R_DEL_ALIASMEM *r_u) { DOM_SID alias_sid; fstring alias_sid_str; struct group *grp; fstring grp_name; GROUP_MAP map; SAM_ACCOUNT *sam_pass=NULL; uint32 acc_granted; /* Find the policy handle. Open a policy on it. */ if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, ALIAS_ACCESS_REMOVE_MEMBER, "_samr_del_aliasmem"))) { return r_u->status; } sid_to_string(alias_sid_str, &alias_sid); DEBUG(10, ("_samr_del_aliasmem:sid is %s\n", alias_sid_str)); if (!sid_check_is_in_our_domain(&alias_sid) && !sid_check_is_in_builtin(&alias_sid)) { DEBUG(10, ("_samr_del_aliasmem:invalid alias group\n")); return NT_STATUS_NO_SUCH_ALIAS; } if( !get_local_group_from_sid(alias_sid, &map, MAPPING_WITHOUT_PRIV)) return NT_STATUS_NO_SUCH_ALIAS; if ((grp=getgrgid(map.gid)) == NULL) return NT_STATUS_NO_SUCH_ALIAS; /* we need to copy the name otherwise it's overloaded in user_in_group_list */ fstrcpy(grp_name, grp->gr_name); /* check if the user exists before trying to remove it from the group */ pdb_init_sam(&sam_pass); if(!pdb_getsampwsid(sam_pass, &q_u->sid.sid)) { DEBUG(5,("_samr_del_aliasmem:User %s doesn't exist.\n", pdb_get_username(sam_pass))); pdb_free_sam(&sam_pass); return NT_STATUS_NO_SUCH_USER; } /* if the user is not in the group */ if(!user_in_group_list(pdb_get_username(sam_pass), grp_name)) { pdb_free_sam(&sam_pass); return NT_STATUS_MEMBER_IN_ALIAS; } smb_delete_user_group(grp_name, pdb_get_username(sam_pass)); /* check if the user has been removed then ... */ if(user_in_group_list(pdb_get_username(sam_pass), grp_name)) { pdb_free_sam(&sam_pass); return NT_STATUS_MEMBER_NOT_IN_ALIAS; /* don't know what to reply else */ } pdb_free_sam(&sam_pass); return NT_STATUS_OK; } /********************************************************************* _samr_add_groupmem *********************************************************************/ NTSTATUS _samr_add_groupmem(pipes_struct *p, SAMR_Q_ADD_GROUPMEM *q_u, SAMR_R_ADD_GROUPMEM *r_u) { DOM_SID group_sid; DOM_SID user_sid; fstring group_sid_str; struct passwd *pwd; struct group *grp; fstring grp_name; GROUP_MAP map; uid_t uid; NTSTATUS ret; SAM_ACCOUNT *sam_user; BOOL check; uint32 acc_granted; /* Find the policy handle. Open a policy on it. */ if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, GROUP_ACCESS_ADD_MEMBER, "_samr_add_groupmem"))) { return r_u->status; } sid_to_string(group_sid_str, &group_sid); DEBUG(10, ("sid is %s\n", group_sid_str)); if (sid_compare(&group_sid, get_global_sam_sid())<=0) return NT_STATUS_NO_SUCH_GROUP; DEBUG(10, ("lookup on Domain SID\n")); if(!get_domain_group_from_sid(group_sid, &map, MAPPING_WITHOUT_PRIV)) return NT_STATUS_NO_SUCH_GROUP; sid_copy(&user_sid, get_global_sam_sid()); sid_append_rid(&user_sid, q_u->rid); ret = pdb_init_sam(&sam_user); if (!NT_STATUS_IS_OK(ret)) return ret; check = pdb_getsampwsid(sam_user, &user_sid); if (check != True) { pdb_free_sam(&sam_user); return NT_STATUS_NO_SUCH_USER; } uid = pdb_get_uid(sam_user); if (uid == -1) { pdb_free_sam(&sam_user); return NT_STATUS_NO_SUCH_USER; } pdb_free_sam(&sam_user); if ((pwd=getpwuid_alloc(uid)) == NULL) { return NT_STATUS_NO_SUCH_USER; } else { passwd_free(&pwd); } if ((grp=getgrgid(map.gid)) == NULL) return NT_STATUS_NO_SUCH_GROUP; /* we need to copy the name otherwise it's overloaded in user_in_group_list */ fstrcpy(grp_name, grp->gr_name); /* if the user is already in the group */ if(user_in_group_list(pwd->pw_name, grp_name)) return NT_STATUS_MEMBER_IN_GROUP; /* * ok, the group exist, the user exist, the user is not in the group, * * we can (finally) add it to the group ! */ smb_add_user_group(grp_name, pwd->pw_name); /* check if the user has been added then ... */ if(!user_in_group_list(pwd->pw_name, grp_name)) return NT_STATUS_MEMBER_NOT_IN_GROUP; /* don't know what to reply else */ return NT_STATUS_OK; } /********************************************************************* _samr_del_groupmem *********************************************************************/ NTSTATUS _samr_del_groupmem(pipes_struct *p, SAMR_Q_DEL_GROUPMEM *q_u, SAMR_R_DEL_GROUPMEM *r_u) { DOM_SID group_sid; DOM_SID user_sid; SAM_ACCOUNT *sam_pass=NULL; GROUP_MAP map; fstring grp_name; struct group *grp; uint32 acc_granted; /* * delete the group member named q_u->rid * who is a member of the sid associated with the handle * the rid is a user's rid as the group is a domain group. */ /* Find the policy handle. Open a policy on it. */ if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, GROUP_ACCESS_REMOVE_MEMBER, "_samr_del_groupmem"))) { return r_u->status; } if (!sid_check_is_in_our_domain(&group_sid)) return NT_STATUS_NO_SUCH_GROUP; sid_copy(&user_sid, get_global_sam_sid()); sid_append_rid(&user_sid, q_u->rid); if (!get_domain_group_from_sid(group_sid, &map, MAPPING_WITHOUT_PRIV)) return NT_STATUS_NO_SUCH_GROUP; if ((grp=getgrgid(map.gid)) == NULL) return NT_STATUS_NO_SUCH_GROUP; /* we need to copy the name otherwise it's overloaded in user_in_group_list */ fstrcpy(grp_name, grp->gr_name); /* check if the user exists before trying to remove it from the group */ pdb_init_sam(&sam_pass); if (!pdb_getsampwsid(sam_pass, &user_sid)) { DEBUG(5,("User %s doesn't exist.\n", pdb_get_username(sam_pass))); pdb_free_sam(&sam_pass); return NT_STATUS_NO_SUCH_USER; } /* if the user is not in the group */ if (!user_in_group_list(pdb_get_username(sam_pass), grp_name)) { pdb_free_sam(&sam_pass); return NT_STATUS_MEMBER_NOT_IN_GROUP; } smb_delete_user_group(grp_name, pdb_get_username(sam_pass)); /* check if the user has been removed then ... */ if (user_in_group_list(pdb_get_username(sam_pass), grp_name)) { pdb_free_sam(&sam_pass); return NT_STATUS_ACCESS_DENIED; /* don't know what to reply else */ } pdb_free_sam(&sam_pass); return NT_STATUS_OK; } /**************************************************************************** Delete a UNIX user on demand. ****************************************************************************/ static int smb_delete_user(const char *unix_user) { pstring del_script; int ret; pstrcpy(del_script, lp_deluser_script()); if (! *del_script) return -1; all_string_sub(del_script, "%u", unix_user, sizeof(pstring)); ret = smbrun(del_script,NULL); DEBUG(3,("smb_delete_user: Running the command `%s' gave %d\n",del_script,ret)); return ret; } /********************************************************************* _samr_delete_dom_user *********************************************************************/ NTSTATUS _samr_delete_dom_user(pipes_struct *p, SAMR_Q_DELETE_DOM_USER *q_u, SAMR_R_DELETE_DOM_USER *r_u ) { DOM_SID user_sid; SAM_ACCOUNT *sam_pass=NULL; uint32 acc_granted; DEBUG(5, ("_samr_delete_dom_user: %d\n", __LINE__)); /* Find the policy handle. Open a policy on it. */ if (!get_lsa_policy_samr_sid(p, &q_u->user_pol, &user_sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, DELETE_ACCESS, "_samr_delete_dom_user"))) { return r_u->status; } if (!sid_check_is_in_our_domain(&user_sid)) return NT_STATUS_CANNOT_DELETE; /* check if the user exists before trying to delete */ pdb_init_sam(&sam_pass); if(!pdb_getsampwsid(sam_pass, &user_sid)) { DEBUG(5,("_samr_delete_dom_user:User %s doesn't exist.\n", pdb_get_username(sam_pass))); pdb_free_sam(&sam_pass); return NT_STATUS_NO_SUCH_USER; } /* delete the unix side */ /* * note: we don't check if the delete really happened * as the script is not necessary present * and maybe the sysadmin doesn't want to delete the unix side */ smb_delete_user(pdb_get_username(sam_pass)); /* and delete the samba side */ if (!pdb_delete_sam_account(sam_pass)) { DEBUG(5,("_samr_delete_dom_user:Failed to delete entry for user %s.\n", pdb_get_username(sam_pass))); pdb_free_sam(&sam_pass); return NT_STATUS_CANNOT_DELETE; } pdb_free_sam(&sam_pass); if (!close_policy_hnd(p, &q_u->user_pol)) return NT_STATUS_OBJECT_NAME_INVALID; return NT_STATUS_OK; } /********************************************************************* _samr_delete_dom_group *********************************************************************/ NTSTATUS _samr_delete_dom_group(pipes_struct *p, SAMR_Q_DELETE_DOM_GROUP *q_u, SAMR_R_DELETE_DOM_GROUP *r_u) { DOM_SID group_sid; DOM_SID dom_sid; uint32 group_rid; fstring group_sid_str; gid_t gid; struct group *grp; GROUP_MAP map; uint32 acc_granted; DEBUG(5, ("samr_delete_dom_group: %d\n", __LINE__)); /* Find the policy handle. Open a policy on it. */ if (!get_lsa_policy_samr_sid(p, &q_u->group_pol, &group_sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, DELETE_ACCESS, "_samr_delete_dom_group"))) { return r_u->status; } sid_copy(&dom_sid, &group_sid); sid_to_string(group_sid_str, &dom_sid); sid_split_rid(&dom_sid, &group_rid); DEBUG(10, ("sid is %s\n", group_sid_str)); /* we check if it's our SID before deleting */ if (!sid_equal(&dom_sid, get_global_sam_sid())) return NT_STATUS_NO_SUCH_GROUP; DEBUG(10, ("lookup on Domain SID\n")); if(!get_domain_group_from_sid(group_sid, &map, MAPPING_WITHOUT_PRIV)) return NT_STATUS_NO_SUCH_GROUP; gid=map.gid; /* check if group really exists */ if ( (grp=getgrgid(gid)) == NULL) return NT_STATUS_NO_SUCH_GROUP; /* we can delete the UNIX group */ smb_delete_group(grp->gr_name); /* check if the group has been successfully deleted */ if ( (grp=getgrgid(gid)) != NULL) return NT_STATUS_ACCESS_DENIED; if(!group_map_remove(group_sid)) return NT_STATUS_ACCESS_DENIED; if (!close_policy_hnd(p, &q_u->group_pol)) return NT_STATUS_OBJECT_NAME_INVALID; return NT_STATUS_OK; } /********************************************************************* _samr_delete_dom_alias *********************************************************************/ NTSTATUS _samr_delete_dom_alias(pipes_struct *p, SAMR_Q_DELETE_DOM_ALIAS *q_u, SAMR_R_DELETE_DOM_ALIAS *r_u) { DOM_SID alias_sid; DOM_SID dom_sid; uint32 alias_rid; fstring alias_sid_str; gid_t gid; struct group *grp; GROUP_MAP map; uint32 acc_granted; DEBUG(5, ("_samr_delete_dom_alias: %d\n", __LINE__)); /* Find the policy handle. Open a policy on it. */ if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, DELETE_ACCESS, "_samr_delete_dom_alias"))) { return r_u->status; } sid_copy(&dom_sid, &alias_sid); sid_to_string(alias_sid_str, &dom_sid); sid_split_rid(&dom_sid, &alias_rid); DEBUG(10, ("sid is %s\n", alias_sid_str)); /* we check if it's our SID before deleting */ if (!sid_equal(&dom_sid, get_global_sam_sid())) return NT_STATUS_NO_SUCH_ALIAS; DEBUG(10, ("lookup on Local SID\n")); if(!get_local_group_from_sid(alias_sid, &map, MAPPING_WITHOUT_PRIV)) return NT_STATUS_NO_SUCH_ALIAS; gid=map.gid; /* check if group really exists */ if ( (grp=getgrgid(gid)) == NULL) return NT_STATUS_NO_SUCH_ALIAS; /* we can delete the UNIX group */ smb_delete_group(grp->gr_name); /* check if the group has been successfully deleted */ if ( (grp=getgrgid(gid)) != NULL) return NT_STATUS_ACCESS_DENIED; /* don't check if we removed it as it could be an un-mapped group */ group_map_remove(alias_sid); if (!close_policy_hnd(p, &q_u->alias_pol)) return NT_STATUS_OBJECT_NAME_INVALID; return NT_STATUS_OK; } /********************************************************************* _samr_create_dom_group *********************************************************************/ NTSTATUS _samr_create_dom_group(pipes_struct *p, SAMR_Q_CREATE_DOM_GROUP *q_u, SAMR_R_CREATE_DOM_GROUP *r_u) { DOM_SID dom_sid; DOM_SID info_sid; fstring name; fstring sid_string; struct group *grp; struct samr_info *info; PRIVILEGE_SET priv_set; uint32 acc_granted; gid_t gid; init_privilege(&priv_set); /* Find the policy handle. Open a policy on it. */ if (!get_lsa_policy_samr_sid(p, &q_u->pol, &dom_sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, DOMAIN_ACCESS_CREATE_GROUP, "_samr_create_dom_group"))) { return r_u->status; } if (!sid_equal(&dom_sid, get_global_sam_sid())) return NT_STATUS_ACCESS_DENIED; /* TODO: check if allowed to create group and add a become_root/unbecome_root pair.*/ unistr2_to_ascii(name, &q_u->uni_acct_desc, sizeof(name)-1); /* check if group already exist */ if ((grp=getgrnam(name)) != NULL) return NT_STATUS_GROUP_EXISTS; /* we can create the UNIX group */ if (smb_create_group(name, &gid) != 0) return NT_STATUS_ACCESS_DENIED; /* check if the group has been successfully created */ if ((grp=getgrgid(gid)) == NULL) return NT_STATUS_ACCESS_DENIED; r_u->rid=pdb_gid_to_group_rid(grp->gr_gid); /* add the group to the mapping table */ sid_copy(&info_sid, get_global_sam_sid()); sid_append_rid(&info_sid, r_u->rid); sid_to_string(sid_string, &info_sid); if(!add_initial_entry(grp->gr_gid, sid_string, SID_NAME_DOM_GRP, name, NULL, priv_set, PR_ACCESS_FROM_NETWORK)) return NT_STATUS_ACCESS_DENIED; if ((info = get_samr_info_by_sid(&info_sid)) == NULL) return NT_STATUS_NO_MEMORY; /* get a (unique) handle. open a policy on it. */ if (!create_policy_hnd(p, &r_u->pol, free_samr_info, (void *)info)) return NT_STATUS_OBJECT_NAME_NOT_FOUND; return NT_STATUS_OK; } /********************************************************************* _samr_create_dom_alias *********************************************************************/ NTSTATUS _samr_create_dom_alias(pipes_struct *p, SAMR_Q_CREATE_DOM_ALIAS *q_u, SAMR_R_CREATE_DOM_ALIAS *r_u) { DOM_SID dom_sid; DOM_SID info_sid; fstring name; fstring sid_string; struct group *grp; struct samr_info *info; PRIVILEGE_SET priv_set; uint32 acc_granted; gid_t gid; init_privilege(&priv_set); /* Find the policy handle. Open a policy on it. */ if (!get_lsa_policy_samr_sid(p, &q_u->dom_pol, &dom_sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, DOMAIN_ACCESS_CREATE_ALIAS, "_samr_create_alias"))) { return r_u->status; } if (!sid_equal(&dom_sid, get_global_sam_sid())) return NT_STATUS_ACCESS_DENIED; /* TODO: check if allowed to create group and add a become_root/unbecome_root pair.*/ unistr2_to_ascii(name, &q_u->uni_acct_desc, sizeof(name)-1); /* check if group already exists */ if ( (grp=getgrnam(name)) != NULL) return NT_STATUS_GROUP_EXISTS; /* we can create the UNIX group */ if (smb_create_group(name, &gid) != 0) return NT_STATUS_ACCESS_DENIED; /* check if the group has been successfully created */ if ((grp=getgrgid(gid)) == NULL) return NT_STATUS_ACCESS_DENIED; r_u->rid=pdb_gid_to_group_rid(grp->gr_gid); sid_copy(&info_sid, get_global_sam_sid()); sid_append_rid(&info_sid, r_u->rid); sid_to_string(sid_string, &info_sid); /* add the group to the mapping table */ if(!add_initial_entry(grp->gr_gid, sid_string, SID_NAME_ALIAS, name, NULL, priv_set, PR_ACCESS_FROM_NETWORK)) return NT_STATUS_ACCESS_DENIED; if ((info = get_samr_info_by_sid(&info_sid)) == NULL) return NT_STATUS_NO_MEMORY; /* get a (unique) handle. open a policy on it. */ if (!create_policy_hnd(p, &r_u->alias_pol, free_samr_info, (void *)info)) return NT_STATUS_OBJECT_NAME_NOT_FOUND; return NT_STATUS_OK; } /********************************************************************* _samr_query_groupinfo sends the name/comment pair of a domain group level 1 send also the number of users of that group *********************************************************************/ NTSTATUS _samr_query_groupinfo(pipes_struct *p, SAMR_Q_QUERY_GROUPINFO *q_u, SAMR_R_QUERY_GROUPINFO *r_u) { DOM_SID group_sid; GROUP_MAP map; uid_t *uid=NULL; int num_uids=0; GROUP_INFO_CTR *ctr; uint32 acc_granted; if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, GROUP_ACCESS_LOOKUP_INFO, "_samr_query_groupinfo"))) { return r_u->status; } if (!get_domain_group_from_sid(group_sid, &map, MAPPING_WITHOUT_PRIV)) return NT_STATUS_INVALID_HANDLE; ctr=(GROUP_INFO_CTR *)talloc_zero(p->mem_ctx, sizeof(GROUP_INFO_CTR)); if (ctr==NULL) return NT_STATUS_NO_MEMORY; switch (q_u->switch_level) { case 1: ctr->switch_value1 = 1; if(!get_uid_list_of_group(map.gid, &uid, &num_uids)) return NT_STATUS_NO_SUCH_GROUP; init_samr_group_info1(&ctr->group.info1, map.nt_name, map.comment, num_uids); SAFE_FREE(uid); break; case 3: ctr->switch_value1 = 3; init_samr_group_info3(&ctr->group.info3); break; case 4: ctr->switch_value1 = 4; init_samr_group_info4(&ctr->group.info4, map.comment); break; default: return NT_STATUS_INVALID_INFO_CLASS; } init_samr_r_query_groupinfo(r_u, ctr, NT_STATUS_OK); return NT_STATUS_OK; } /********************************************************************* _samr_set_groupinfo update a domain group's comment. *********************************************************************/ NTSTATUS _samr_set_groupinfo(pipes_struct *p, SAMR_Q_SET_GROUPINFO *q_u, SAMR_R_SET_GROUPINFO *r_u) { DOM_SID group_sid; GROUP_MAP map; GROUP_INFO_CTR *ctr; uint32 acc_granted; if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, GROUP_ACCESS_SET_INFO, "_samr_set_groupinfo"))) { return r_u->status; } if (!get_domain_group_from_sid(group_sid, &map, MAPPING_WITH_PRIV)) return NT_STATUS_NO_SUCH_GROUP; ctr=q_u->ctr; switch (ctr->switch_value1) { case 1: unistr2_to_ascii(map.comment, &(ctr->group.info1.uni_acct_desc), sizeof(map.comment)-1); break; case 4: unistr2_to_ascii(map.comment, &(ctr->group.info4.uni_acct_desc), sizeof(map.comment)-1); break; default: free_privilege(&map.priv_set); return NT_STATUS_INVALID_INFO_CLASS; } if(!add_mapping_entry(&map, TDB_REPLACE)) { free_privilege(&map.priv_set); return NT_STATUS_NO_SUCH_GROUP; } free_privilege(&map.priv_set); return NT_STATUS_OK; } /********************************************************************* _samr_set_aliasinfo update an alias's comment. *********************************************************************/ NTSTATUS _samr_set_aliasinfo(pipes_struct *p, SAMR_Q_SET_ALIASINFO *q_u, SAMR_R_SET_ALIASINFO *r_u) { DOM_SID group_sid; GROUP_MAP map; ALIAS_INFO_CTR *ctr; uint32 acc_granted; if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &group_sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, ALIAS_ACCESS_SET_INFO, "_samr_set_aliasinfo"))) { return r_u->status; } if (!get_local_group_from_sid(group_sid, &map, MAPPING_WITH_PRIV)) return NT_STATUS_NO_SUCH_GROUP; ctr=&q_u->ctr; switch (ctr->switch_value1) { case 3: unistr2_to_ascii(map.comment, &(ctr->alias.info3.uni_acct_desc), sizeof(map.comment)-1); break; default: free_privilege(&map.priv_set); return NT_STATUS_INVALID_INFO_CLASS; } if(!add_mapping_entry(&map, TDB_REPLACE)) { free_privilege(&map.priv_set); return NT_STATUS_NO_SUCH_GROUP; } free_privilege(&map.priv_set); return NT_STATUS_OK; } /********************************************************************* _samr_get_dom_pwinfo *********************************************************************/ NTSTATUS _samr_get_dom_pwinfo(pipes_struct *p, SAMR_Q_GET_DOM_PWINFO *q_u, SAMR_R_GET_DOM_PWINFO *r_u) { /* Perform access check. Since this rpc does not require a policy handle it will not be caught by the access checks on SAMR_CONNECT or SAMR_CONNECT_ANON. */ if (!pipe_access_check(p)) { DEBUG(3, ("access denied to samr_get_dom_pwinfo\n")); r_u->status = NT_STATUS_ACCESS_DENIED; return r_u->status; } /* Actually, returning zeros here works quite well :-). */ return NT_STATUS_OK; } /********************************************************************* _samr_open_group *********************************************************************/ NTSTATUS _samr_open_group(pipes_struct *p, SAMR_Q_OPEN_GROUP *q_u, SAMR_R_OPEN_GROUP *r_u) { DOM_SID sid; DOM_SID info_sid; GROUP_MAP map; struct samr_info *info; SEC_DESC *psd = NULL; uint32 acc_granted; uint32 des_access; size_t sd_size; NTSTATUS status; fstring sid_string; if (!get_lsa_policy_samr_sid(p, &q_u->domain_pol, &sid, &acc_granted)) return NT_STATUS_INVALID_HANDLE; if (!NT_STATUS_IS_OK(status = access_check_samr_function(acc_granted, DOMAIN_ACCESS_OPEN_ACCOUNT, "_samr_open_group"))) { return status; } /*check if access can be granted as requested by client. */ samr_make_grp_obj_sd(p->mem_ctx, &psd, &sd_size); se_map_generic(&des_access,&grp_generic_mapping); if (!NT_STATUS_IS_OK(status = access_check_samr_object(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, "_samr_open_group"))) { return status; } /* this should not be hard-coded like this */ if (!sid_equal(&sid, get_global_sam_sid())) return NT_STATUS_ACCESS_DENIED; sid_copy(&info_sid, get_global_sam_sid()); sid_append_rid(&info_sid, q_u->rid_group); sid_to_string(sid_string, &info_sid); if ((info = get_samr_info_by_sid(&info_sid)) == NULL) return NT_STATUS_NO_MEMORY; info->acc_granted = acc_granted; DEBUG(10, ("_samr_open_group:Opening SID: %s\n", sid_string)); /* check if that group really exists */ if (!get_domain_group_from_sid(info->sid, &map, MAPPING_WITHOUT_PRIV)) return NT_STATUS_NO_SUCH_GROUP; /* get a (unique) handle. open a policy on it. */ if (!create_policy_hnd(p, &r_u->pol, free_samr_info, (void *)info)) return NT_STATUS_OBJECT_NAME_NOT_FOUND; return NT_STATUS_OK; } /********************************************************************* _samr_unknown_2d *********************************************************************/ NTSTATUS _samr_unknown_2d(pipes_struct *p, SAMR_Q_UNKNOWN_2D *q_u, SAMR_R_UNKNOWN_2D *r_u) { DEBUG(0,("_samr_unknown_2d: Not yet implemented.\n")); return NT_STATUS_NOT_IMPLEMENTED; } /******************************************************************* _samr_unknown_2e ********************************************************************/ NTSTATUS _samr_unknown_2e(pipes_struct *p, SAMR_Q_UNKNOWN_2E *q_u, SAMR_R_UNKNOWN_2E *r_u) { struct samr_info *info = NULL; SAM_UNK_CTR *ctr; uint32 min_pass_len,pass_hist,flag; time_t u_expire, u_min_age; NTTIME nt_expire, nt_min_age; time_t u_lock_duration, u_reset_time; NTTIME nt_lock_duration, nt_reset_time; uint32 lockout; time_t u_logout; NTTIME nt_logout; uint32 num_users=0, num_groups=0, num_aliases=0; uint32 account_policy_temp; if ((ctr = (SAM_UNK_CTR *)talloc_zero(p->mem_ctx, sizeof(SAM_UNK_CTR))) == NULL) return NT_STATUS_NO_MEMORY; ZERO_STRUCTP(ctr); r_u->status = NT_STATUS_OK; DEBUG(5,("_samr_unknown_2e: %d\n", __LINE__)); /* find the policy handle. open a policy on it. */ if (!find_policy_by_hnd(p, &q_u->domain_pol, (void **)&info)) return NT_STATUS_INVALID_HANDLE; switch (q_u->switch_value) { case 0x01: account_policy_get(AP_MIN_PASSWORD_LEN, &account_policy_temp); min_pass_len = account_policy_temp; account_policy_get(AP_PASSWORD_HISTORY, &account_policy_temp); pass_hist = account_policy_temp; account_policy_get(AP_USER_MUST_LOGON_TO_CHG_PASS, &account_policy_temp); flag = account_policy_temp; account_policy_get(AP_MAX_PASSWORD_AGE, &account_policy_temp); u_expire = account_policy_temp; account_policy_get(AP_MIN_PASSWORD_AGE, &account_policy_temp); u_min_age = account_policy_temp; unix_to_nt_time_abs(&nt_expire, u_expire); unix_to_nt_time_abs(&nt_min_age, u_min_age); init_unk_info1(&ctr->info.inf1, (uint16)min_pass_len, (uint16)pass_hist, flag, nt_expire, nt_min_age); break; case 0x02: become_root(); r_u->status=load_sampwd_entries(info, ACB_NORMAL, False); unbecome_root(); if (!NT_STATUS_IS_OK(r_u->status)) { DEBUG(5, ("_samr_unknown_2e: load_sampwd_entries failed\n")); return r_u->status; } num_users=info->disp_info.num_user_account; free_samr_db(info); r_u->status=load_group_domain_entries(info, get_global_sam_sid()); if (NT_STATUS_IS_ERR(r_u->status)) { DEBUG(5, ("_samr_unknown_2e: load_group_domain_entries failed\n")); return r_u->status; } num_groups=info->disp_info.num_group_account; free_samr_db(info); /* The time call below is to get a sequence number for the sam. FIXME !!! JRA. */ init_unk_info2(&ctr->info.inf2, global_myworkgroup, global_myname, (uint32) time(NULL), num_users, num_groups, num_aliases); break; case 0x03: account_policy_get(AP_TIME_TO_LOGOUT, &account_policy_temp); u_logout = account_policy_temp; unix_to_nt_time_abs(&nt_logout, u_logout); init_unk_info3(&ctr->info.inf3, nt_logout); break; case 0x05: init_unk_info5(&ctr->info.inf5, global_myname); break; case 0x06: init_unk_info6(&ctr->info.inf6); break; case 0x07: init_unk_info7(&ctr->info.inf7); break; case 0x0c: account_policy_get(AP_LOCK_ACCOUNT_DURATION, &account_policy_temp); u_lock_duration = account_policy_temp; account_policy_get(AP_RESET_COUNT_TIME, &account_policy_temp); u_reset_time = account_policy_temp; account_policy_get(AP_BAD_ATTEMPT_LOCKOUT, &account_policy_temp); lockout = account_policy_temp; unix_to_nt_time_abs(&nt_lock_duration, u_lock_duration); unix_to_nt_time_abs(&nt_reset_time, u_reset_time); init_unk_info12(&ctr->info.inf12, nt_lock_duration, nt_reset_time, (uint16)lockout); break; default: return NT_STATUS_INVALID_INFO_CLASS; } init_samr_r_samr_unknown_2e(r_u, q_u->switch_value, ctr, NT_STATUS_OK); DEBUG(5,("_samr_unknown_2e: %d\n", __LINE__)); return r_u->status; } /******************************************************************* _samr_ ********************************************************************/ NTSTATUS _samr_set_dom_info(pipes_struct *p, SAMR_Q_SET_DOMAIN_INFO *q_u, SAMR_R_SET_DOMAIN_INFO *r_u) { time_t u_expire, u_min_age; time_t u_logout; time_t u_lock_duration, u_reset_time; r_u->status = NT_STATUS_OK; DEBUG(5,("_samr_set_dom_info: %d\n", __LINE__)); /* find the policy handle. open a policy on it. */ if (!find_policy_by_hnd(p, &q_u->domain_pol, NULL)) return NT_STATUS_INVALID_HANDLE; DEBUG(5,("_samr_set_dom_info: switch_value: %d\n", q_u->switch_value)); switch (q_u->switch_value) { case 0x01: u_expire=nt_time_to_unix_abs(&q_u->ctr->info.inf1.expire); u_min_age=nt_time_to_unix_abs(&q_u->ctr->info.inf1.min_passwordage); account_policy_set(AP_MIN_PASSWORD_LEN, (uint32)q_u->ctr->info.inf1.min_length_password); account_policy_set(AP_PASSWORD_HISTORY, (uint32)q_u->ctr->info.inf1.password_history); account_policy_set(AP_USER_MUST_LOGON_TO_CHG_PASS, (uint32)q_u->ctr->info.inf1.flag); account_policy_set(AP_MAX_PASSWORD_AGE, (int)u_expire); account_policy_set(AP_MIN_PASSWORD_AGE, (int)u_min_age); break; case 0x02: break; case 0x03: u_logout=nt_time_to_unix_abs(&q_u->ctr->info.inf3.logout); account_policy_set(AP_TIME_TO_LOGOUT, (int)u_logout); break; case 0x05: break; case 0x06: break; case 0x07: break; case 0x0c: u_lock_duration=nt_time_to_unix_abs(&q_u->ctr->info.inf12.duration); u_reset_time=nt_time_to_unix_abs(&q_u->ctr->info.inf12.reset_count); account_policy_set(AP_LOCK_ACCOUNT_DURATION, (int)u_lock_duration); account_policy_set(AP_RESET_COUNT_TIME, (int)u_reset_time); account_policy_set(AP_BAD_ATTEMPT_LOCKOUT, (uint32)q_u->ctr->info.inf12.bad_attempt_lockout); break; default: return NT_STATUS_INVALID_INFO_CLASS; } init_samr_r_set_domain_info(r_u, NT_STATUS_OK); DEBUG(5,("_samr_set_dom_info: %d\n", __LINE__)); return r_u->status; }