diff options
Diffstat (limited to 'source4/rpc_server/srv_samr_nt.c')
| -rw-r--r-- | source4/rpc_server/srv_samr_nt.c | 4432 |
1 files changed, 4432 insertions, 0 deletions
diff --git a/source4/rpc_server/srv_samr_nt.c b/source4/rpc_server/srv_samr_nt.c new file mode 100644 index 00000000000..fd1fb929828 --- /dev/null +++ b/source4/rpc_server/srv_samr_nt.c @@ -0,0 +1,4432 @@ +/* + * 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 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 = {GENERIC_RIGHTS_SAM_READ, GENERIC_RIGHTS_SAM_WRITE, GENERIC_RIGHTS_SAM_EXECUTE, GENERIC_RIGHTS_SAM_ALL_ACCESS}; +struct generic_mapping dom_generic_mapping = {GENERIC_RIGHTS_DOMAIN_READ, GENERIC_RIGHTS_DOMAIN_WRITE, GENERIC_RIGHTS_DOMAIN_EXECUTE, GENERIC_RIGHTS_DOMAIN_ALL_ACCESS}; +struct generic_mapping usr_generic_mapping = {GENERIC_RIGHTS_USER_READ, GENERIC_RIGHTS_USER_WRITE, GENERIC_RIGHTS_USER_EXECUTE, GENERIC_RIGHTS_USER_ALL_ACCESS}; +struct generic_mapping grp_generic_mapping = {GENERIC_RIGHTS_GROUP_READ, GENERIC_RIGHTS_GROUP_WRITE, GENERIC_RIGHTS_GROUP_EXECUTE, GENERIC_RIGHTS_GROUP_ALL_ACCESS}; +struct generic_mapping ali_generic_mapping = {GENERIC_RIGHTS_ALIAS_READ, GENERIC_RIGHTS_ALIAS_WRITE, GENERIC_RIGHTS_ALIAS_EXECUTE, GENERIC_RIGHTS_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("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; i<info->disp_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_DEFAULT); + pdb_set_nt_passwd(sam_pass, NULL, PDB_DEFAULT); +} + + +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(10,("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 (!pdb_enum_group_mapping(SID_NAME_DOM_GRP, &map, (int *)&group_entries, ENUM_ONLY_MAPPED, MAPPING_WITHOUT_PRIV)) { + DEBUG(1, ("load_group_domain_entries: pdb_enum_group_mapping() failed!\n")); + 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) { + DEBUG(1, ("load_group_domain_entries: talloc() failed for grp_array!\n")); + SAFE_FREE(map); + return NT_STATUS_NO_MEMORY; + } + + info->disp_info.disp_group_info=grp_array; + + for (i=0; i<group_entries; i++) { + + grp_array[i].grp=(DOMAIN_GRP *)talloc(mem_ctx, sizeof(DOMAIN_GRP)); + + fstrcpy(grp_array[i].grp->name, 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(10,("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, SA_RIGHT_SAM_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, GENERIC_RIGHTS_DOMAIN_EXECUTE | GENERIC_RIGHTS_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, GENERIC_RIGHTS_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, GENERIC_RIGHTS_USER_EXECUTE | GENERIC_RIGHTS_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, GENERIC_RIGHTS_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 | SA_RIGHT_USER_CHANGE_PASSWORD | SA_RIGHT_USER_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, GENERIC_RIGHTS_GROUP_EXECUTE | GENERIC_RIGHTS_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, GENERIC_RIGHTS_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, GENERIC_RIGHTS_ALIAS_EXECUTE | GENERIC_RIGHTS_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, GENERIC_RIGHTS_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, + SA_RIGHT_DOMAIN_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 = NULL; + + 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()) { + + pdb_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; i<num_entries && i<max_entries; i++) { + fstrcpy((*d_grp)[i].name, map[i+start_idx].nt_name); + sid_split_rid(&map[i+start_idx].sid, &(*d_grp)[i].rid); + + } + } + SAFE_FREE(map); + + } else if (sid_equal(sid, get_global_sam_sid()) && !lp_hide_local_users()) { + struct sys_grent *glist; + struct sys_grent *grp; + struct passwd *pw; + gid_t winbind_gid_low, winbind_gid_high; + BOOL winbind_groups_exist = lp_winbind_gid(&winbind_gid_low, &winbind_gid_high); + + /* local aliases */ + /* we return the UNIX groups here. This seems to be the right */ + /* thing to do, since NT member servers return their local */ + /* groups in the same situation. */ + + /* use getgrent_list() to retrieve the list of groups to avoid + * problems with getgrent possible infinite loop by internal + * libc grent structures overwrites by called functions */ + grp = glist = getgrent_list(); + if (grp == NULL) + return NT_STATUS_NO_MEMORY; + + for (; (num_entries < max_entries) && (grp != NULL); grp = grp->next) { + uint32 trid; + + if(!pdb_getgrgid(&smap, grp->gr_gid, 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; + + pdb_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; i<num_entries; i++) { + fstrcpy((*d_grp)[i].name, map[i+start_idx].nt_name); + fstrcpy((*d_grp)[i].comment, map[i+start_idx].comment); + sid_split_rid(&map[i+start_idx].sid, &(*d_grp)[i].rid); + (*d_grp)[i].attr=SID_NAME_DOM_GRP; + } + + SAFE_FREE(map); + + *p_num_entries = num_entries; + + return NT_STATUS_OK; +} + +/******************************************************************* + samr_reply_enum_dom_groups + ********************************************************************/ + +NTSTATUS _samr_enum_dom_groups(pipes_struct *p, SAMR_Q_ENUM_DOM_GROUPS *q_u, SAMR_R_ENUM_DOM_GROUPS *r_u) +{ + DOMAIN_GRP *grp=NULL; + uint32 num_entries; + DOM_SID sid; + 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, SA_RIGHT_DOMAIN_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, SA_RIGHT_DOMAIN_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: + /* When playing with usrmgr, this is necessary + if you want immediate refresh after editing + a user. I would like to do this after the + setuserinfo2, but we do not have access to + the domain handle in that call, only to the + user handle. Where else does this hurt? + -- Volker + */ +#if 0 + /* We cannot do this here - it kills performace. JRA. */ + free_samr_users(info); +#endif + 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, SA_RIGHT_ALIAS_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 (!pdb_getgrsid(&map, sid, 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. + */ + + r_u->status = 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); + + 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, SA_RIGHT_DOMAIN_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, SA_RIGHT_USER_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, lp_workgroup(), lp_netbios_name(), (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, lp_netbios_name()); + 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, SA_RIGHT_DOMAIN_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_CHANGED)) { + pdb_free_sam(&sam_pass); + return NT_STATUS_NO_MEMORY; + } + } + + pdb_set_acct_ctrl(sam_pass, acb_info, PDB_CHANGED); + + 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, SA_RIGHT_SAM_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]; + const 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, SA_RIGHT_SAM_ENUM_DOMAINS, "_samr_enum_domains"))) { + return r_u->status; + } + + switch (lp_server_role()) { + case ROLE_DOMAIN_PDC: + case ROLE_DOMAIN_BDC: + name = lp_workgroup(); + break; + default: + name = lp_netbios_name(); + } + + 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, SA_RIGHT_DOMAIN_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; + } + + /* FIX ME: check if the value is really changed --metze */ + if (!pdb_set_acct_ctrl(pwd, id10->acb_info, PDB_CHANGED)) { + 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_CHANGED)) { + pdb_free_sam(&pwd); + return False; + } + if (!pdb_set_nt_passwd (pwd, id12->nt_pwd, PDB_CHANGED)) { + 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 = SA_RIGHT_USER_SET_LOC_COM | SA_RIGHT_USER_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 = SA_RIGHT_USER_SET_LOC_COM | SA_RIGHT_USER_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, SA_RIGHT_DOMAIN_LOOKUP_ALIAS_BY_MEM, "_samr_query_useraliases"); + ntstatus2 = access_check_samr_function(info->acc_granted, SA_RIGHT_DOMAIN_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; i<q_u->num_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; j<tmp_num_groups; j++) + rids[j+num_groups]=tmp_rids[j]; + + safe_free(tmp_rids); + + num_groups+=tmp_num_groups; + } + + init_samr_r_query_useraliases(r_u, num_groups, rids, NT_STATUS_OK); + return NT_STATUS_OK; +} + +/********************************************************************* + _samr_query_aliasmem +*********************************************************************/ + +NTSTATUS _samr_query_aliasmem(pipes_struct *p, SAMR_Q_QUERY_ALIASMEM *q_u, SAMR_R_QUERY_ALIASMEM *r_u) +{ + int i; + + GROUP_MAP map; + int num_uids = 0; + DOM_SID2 *sid; + uid_t *uid=NULL; + + DOM_SID alias_sid; + DOM_SID als_sid; + uint32 alias_rid; + fstring alias_sid_str; + DOM_SID temp_sid; + + 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, SA_RIGHT_ALIAS_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_builtin_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, SA_RIGHT_GROUP_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; i<num_uids; i++) { + struct passwd *pass; + uint32 urid; + + 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; + } + + 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, SA_RIGHT_ALIAS_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; + } + + if ((grp=getgrgid(map.gid)) == NULL) { + passwd_free(&pwd); + 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_unix_group_list(pwd->pw_name, grp_name)) { + passwd_free(&pwd); + 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_unix_group_list(pwd->pw_name, grp_name)) { + passwd_free(&pwd); + return NT_STATUS_MEMBER_NOT_IN_ALIAS; /* don't know what to reply else */ + } + + passwd_free(&pwd); + 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, SA_RIGHT_ALIAS_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_unix_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_unix_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_unix_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=NULL; + 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, SA_RIGHT_GROUP_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; + } + + if ((grp=getgrgid(map.gid)) == NULL) { + passwd_free(&pwd); + return NT_STATUS_NO_SUCH_GROUP; + } + + /* we need to copy the name otherwise it's overloaded in user_in_unix_group_list */ + fstrcpy(grp_name, grp->gr_name); + + /* if the user is already in the group */ + if(user_in_unix_group_list(pwd->pw_name, grp_name)) { + passwd_free(&pwd); + 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_unix_group_list(pwd->pw_name, grp_name)) { + passwd_free(&pwd); + return NT_STATUS_MEMBER_NOT_IN_GROUP; /* don't know what to reply else */ + } + + passwd_free(&pwd); + 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, SA_RIGHT_GROUP_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_unix_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_unix_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, STD_RIGHT_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, STD_RIGHT_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(!pdb_delete_group_mapping_entry(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, STD_RIGHT_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 */ + pdb_delete_group_mapping_entry(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, SA_RIGHT_DOMAIN_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, SA_RIGHT_DOMAIN_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, SA_RIGHT_GROUP_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, SA_RIGHT_GROUP_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(!pdb_update_group_mapping_entry(&map)) { + 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, SA_RIGHT_ALIAS_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(!pdb_update_group_mapping_entry(&map)) { + 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, SA_RIGHT_DOMAIN_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, lp_workgroup(), lp_netbios_name(), (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, lp_netbios_name()); + 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; +} + |