/* Unix SMB/CIFS implementation. dump the remote SAM using rpc samsync operations Copyright (C) Andrew Tridgell 2002 Copyright (C) Tim Potter 2001,2002 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "includes.h" #include "../utils/net.h" extern DOM_SID global_sid_Builtin; static void display_group_mem_info(uint32 rid, SAM_GROUP_MEM_INFO *g) { int i; d_printf("Group mem %u: ", rid); for (i=0;i<g->num_members;i++) { d_printf("%u ", g->rids[i]); } d_printf("\n"); } static void display_alias_info(uint32 rid, SAM_ALIAS_INFO *a) { d_printf("Alias '%s' ", unistr2_static(&a->uni_als_name)); d_printf("desc='%s' rid=%u\n", unistr2_static(&a->uni_als_desc), a->als_rid); } static void display_alias_mem(uint32 rid, SAM_ALIAS_MEM_INFO *a) { int i; d_printf("Alias rid %u: ", rid); for (i=0;i<a->num_members;i++) { d_printf("%s ", sid_string_static(&a->sids[i].sid)); } d_printf("\n"); } static void display_account_info(uint32 rid, SAM_ACCOUNT_INFO *a) { fstring hex_nt_passwd, hex_lm_passwd; uchar lm_passwd[16], nt_passwd[16]; /* Decode hashes from password hash */ sam_pwd_hash(a->user_rid, a->pass.buf_lm_pwd, lm_passwd, 0); sam_pwd_hash(a->user_rid, a->pass.buf_nt_pwd, nt_passwd, 0); /* Encode as strings */ smbpasswd_sethexpwd(hex_lm_passwd, lm_passwd, a->acb_info); smbpasswd_sethexpwd(hex_nt_passwd, nt_passwd, a->acb_info); printf("%s:%d:%s:%s:%s:LCT-0\n", unistr2_static(&a->uni_acct_name), a->user_rid, hex_lm_passwd, hex_nt_passwd, smbpasswd_encode_acb_info(a->acb_info)); } static void display_domain_info(SAM_DOMAIN_INFO *a) { d_printf("Domain name: %s\n", unistr2_static(&a->uni_dom_name)); } static void display_group_info(uint32 rid, SAM_GROUP_INFO *a) { d_printf("Group '%s' ", unistr2_static(&a->uni_grp_name)); d_printf("desc='%s', rid=%u\n", unistr2_static(&a->uni_grp_desc), rid); } static void display_sam_entry(SAM_DELTA_HDR *hdr_delta, SAM_DELTA_CTR *delta) { switch (hdr_delta->type) { case SAM_DELTA_ACCOUNT_INFO: display_account_info(hdr_delta->target_rid, &delta->account_info); break; case SAM_DELTA_GROUP_MEM: display_group_mem_info(hdr_delta->target_rid, &delta->grp_mem_info); break; case SAM_DELTA_ALIAS_INFO: display_alias_info(hdr_delta->target_rid, &delta->alias_info); break; case SAM_DELTA_ALIAS_MEM: display_alias_mem(hdr_delta->target_rid, &delta->als_mem_info); break; case SAM_DELTA_DOMAIN_INFO: display_domain_info(&delta->domain_info); break; case SAM_DELTA_GROUP_INFO: display_group_info(hdr_delta->target_rid, &delta->group_info); break; default: d_printf("Unknown delta record type %d\n", hdr_delta->type); break; } } static void dump_database(struct cli_state *cli, unsigned db_type, DOM_CRED *ret_creds) { unsigned last_rid = -1; NTSTATUS result; int i; TALLOC_CTX *mem_ctx; SAM_DELTA_HDR *hdr_deltas; SAM_DELTA_CTR *deltas; uint32 num_deltas; if (!(mem_ctx = talloc_init())) { return; } d_printf("Dumping database %u\n", db_type); do { result = cli_netlogon_sam_sync(cli, mem_ctx, ret_creds, db_type, last_rid+1, &num_deltas, &hdr_deltas, &deltas); clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred), ret_creds); last_rid = 0; for (i = 0; i < num_deltas; i++) { display_sam_entry(&hdr_deltas[i], &deltas[i]); last_rid = hdr_deltas[i].target_rid; } } while (last_rid && NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES)); talloc_destroy(mem_ctx); } /* dump sam database via samsync rpc calls */ int rpc_samdump(int argc, const char **argv) { NTSTATUS result; struct cli_state *cli = NULL; uchar trust_password[16]; DOM_CRED ret_creds; uint32 neg_flags = 0x000001ff; ZERO_STRUCT(ret_creds); /* Connect to remote machine */ if (!(cli = net_make_ipc_connection(NET_FLAGS_ANONYMOUS | NET_FLAGS_PDC))) { return 1; } if (!cli_nt_session_open(cli, PIPE_NETLOGON)) { DEBUG(0,("Error connecting to NETLOGON pipe\n")); goto fail; } if (!secrets_fetch_trust_account_password(lp_workgroup(), trust_password, NULL)) { d_printf("Could not retrieve domain trust secret"); goto fail; } result = cli_nt_setup_creds(cli, SEC_CHAN_BDC, trust_password, &neg_flags, 2); if (!NT_STATUS_IS_OK(result)) { d_printf("Failed to setup BDC creds\n"); goto fail; } dump_database(cli, SAM_DATABASE_DOMAIN, &ret_creds); dump_database(cli, SAM_DATABASE_BUILTIN, &ret_creds); dump_database(cli, SAM_DATABASE_PRIVS, &ret_creds); cli_nt_session_close(cli); return 0; fail: if (cli) { cli_nt_session_close(cli); } return -1; } /* Convert a SAM_ACCOUNT_DELTA to a SAM_ACCOUNT. */ static NTSTATUS sam_account_from_delta(SAM_ACCOUNT *account, SAM_ACCOUNT_INFO *delta) { DOM_SID sid; fstring s; uchar lm_passwd[16], nt_passwd[16]; /* Username, fullname, home dir, dir drive, logon script, acct desc, workstations, profile. */ unistr2_to_ascii(s, &delta->uni_acct_name, sizeof(s) - 1); pdb_set_nt_username(account, s); /* Unix username is the same - for sainity */ pdb_set_username(account, s); unistr2_to_ascii(s, &delta->uni_full_name, sizeof(s) - 1); pdb_set_fullname(account, s); unistr2_to_ascii(s, &delta->uni_home_dir, sizeof(s) - 1); pdb_set_homedir(account, s, True); unistr2_to_ascii(s, &delta->uni_dir_drive, sizeof(s) - 1); pdb_set_dir_drive(account, s, True); unistr2_to_ascii(s, &delta->uni_logon_script, sizeof(s) - 1); pdb_set_logon_script(account, s, True); unistr2_to_ascii(s, &delta->uni_acct_desc, sizeof(s) - 1); pdb_set_acct_desc(account, s); unistr2_to_ascii(s, &delta->uni_workstations, sizeof(s) - 1); pdb_set_workstations(account, s); unistr2_to_ascii(s, &delta->uni_profile, sizeof(s) - 1); pdb_set_profile_path(account, s, True); /* User and group sid */ sid_copy(&sid, get_global_sam_sid()); sid_append_rid(&sid, delta->user_rid); pdb_set_user_sid(account, &sid); sid_copy(&sid, get_global_sam_sid()); sid_append_rid(&sid, delta->group_rid); pdb_set_group_sid(account, &sid); /* Logon and password information */ pdb_set_logon_time(account, nt_time_to_unix(&delta->logon_time), True); pdb_set_logoff_time(account, nt_time_to_unix(&delta->logoff_time), True); pdb_set_logon_divs(account, delta->logon_divs); /* TODO: logon hours */ /* TODO: bad password count */ /* TODO: logon count */ pdb_set_pass_last_set_time( account, nt_time_to_unix(&delta->pwd_last_set_time)); pdb_set_kickoff_time(account, get_time_t_max(), True); /* Decode hashes from password hash */ sam_pwd_hash(delta->user_rid, delta->pass.buf_lm_pwd, lm_passwd, 0); sam_pwd_hash(delta->user_rid, delta->pass.buf_nt_pwd, nt_passwd, 0); pdb_set_nt_passwd(account, nt_passwd); pdb_set_lanman_passwd(account, lm_passwd); /* TODO: account expiry time */ pdb_set_acct_ctrl(account, delta->acb_info); return NT_STATUS_OK; } static NTSTATUS fetch_account_info(uint32 rid, SAM_ACCOUNT_INFO *delta) { NTSTATUS nt_ret; fstring account; pstring add_script; SAM_ACCOUNT *sam_account=NULL; GROUP_MAP map; struct group *grp; fstrcpy(account, unistr2_static(&delta->uni_acct_name)); d_printf("Creating account: %s\n", account); if (!NT_STATUS_IS_OK(nt_ret = pdb_init_sam(&sam_account))) return nt_ret; if (!pdb_getsampwnam(sam_account, account)) { struct passwd *pw; pdb_free_sam(&sam_account); /* Create appropriate user */ if (delta->acb_info & ACB_NORMAL) { pstrcpy(add_script, lp_adduser_script()); } else if ( (delta->acb_info & ACB_WSTRUST) || (delta->acb_info & ACB_SVRTRUST) ) { pstrcpy(add_script, lp_addmachine_script()); } else { DEBUG(1, ("Unknown user type: %s\n", smbpasswd_encode_acb_info(delta->acb_info))); pdb_free_sam(&sam_account); return NT_STATUS_NO_SUCH_USER; } if (*add_script) { int add_ret; all_string_sub(add_script, "%u", account, sizeof(account)); add_ret = smbrun(add_script,NULL); DEBUG(1,("fetch_account: Running the command `%s' " "gave %d\n", add_script, add_ret)); } pw = getpwnam_alloc(account); if (pw) { nt_ret = pdb_init_sam_pw(&sam_account, pw); if (!NT_STATUS_IS_OK(nt_ret)) { passwd_free(&pw); pdb_free_sam(&sam_account); return nt_ret; } passwd_free(&pw); } else { DEBUG(3, ("Could not create account %s\n", account)); pdb_free_sam(&sam_account); return NT_STATUS_NO_SUCH_USER; } } sam_account_from_delta(sam_account, delta); if (!pdb_add_sam_account(sam_account)) { DEBUG(1, ("SAM Account for %s already existed, updating\n", account)); pdb_update_sam_account(sam_account); } if (!get_group_map_from_sid(*pdb_get_group_sid(sam_account), &map, False)) { DEBUG(0, ("Primary group of %s has no mapping!\n", pdb_get_username(sam_account))); pdb_free_sam(&sam_account); return NT_STATUS_NO_SUCH_GROUP; } if (!(grp = getgrgid(map.gid))) { DEBUG(0, ("Could not find unix group %d\n", map.gid)); pdb_free_sam(&sam_account); return NT_STATUS_NO_SUCH_GROUP; } smb_set_primary_group(grp->gr_name, pdb_get_username(sam_account)); pdb_free_sam(&sam_account); return NT_STATUS_OK; } static NTSTATUS fetch_group_info(uint32 rid, SAM_GROUP_INFO *delta) { fstring name; fstring comment; struct group *grp = NULL; DOM_SID group_sid; fstring sid_string; GROUP_MAP map; int flag = TDB_INSERT; gid_t gid; unistr2_to_ascii(name, &delta->uni_grp_name, sizeof(name)-1); unistr2_to_ascii(comment, &delta->uni_grp_desc, sizeof(comment)-1); if ((grp = getgrnam(name)) == NULL) smb_create_group(name, &gid); if ((grp = getgrgid(gid)) == NULL) return NT_STATUS_ACCESS_DENIED; /* add the group to the mapping table */ sid_copy(&group_sid, get_global_sam_sid()); sid_append_rid(&group_sid, rid); sid_to_string(sid_string, &group_sid); if (get_group_map_from_sid(group_sid, &map, False)) { grp = getgrgid(map.gid); flag = 0; /* Don't TDB_INSERT, mapping exists */ } if (grp == NULL) { gid_t new_gid; /* No group found from mapping, find it from its name. */ if ((grp = getgrnam(name)) == NULL) { /* No appropriate group found, create one */ d_printf("Creating unix group: '%s'\n", name); if (smb_create_group(name, &new_gid) != 0) return NT_STATUS_ACCESS_DENIED; } if ((grp = getgrgid(new_gid)) == NULL) return NT_STATUS_ACCESS_DENIED; } map.gid = grp->gr_gid; map.sid = group_sid; map.sid_name_use = SID_NAME_DOM_GRP; fstrcpy(map.nt_name, name); fstrcpy(map.comment, comment); map.priv_set.count = 0; map.priv_set.set = NULL; add_mapping_entry(&map, flag); return NT_STATUS_OK; } static NTSTATUS fetch_group_mem_info(uint32 rid, SAM_GROUP_MEM_INFO *delta) { int i; TALLOC_CTX *t = NULL; char **nt_members = NULL; char **unix_members; DOM_SID group_sid; GROUP_MAP map; struct group *grp; if (delta->num_members == 0) { return NT_STATUS_OK; } sid_copy(&group_sid, get_global_sam_sid()); sid_append_rid(&group_sid, rid); if (!get_domain_group_from_sid(group_sid, &map, False)) { DEBUG(0, ("Could not find global group %d\n", rid)); return NT_STATUS_NO_SUCH_GROUP; } if (!(grp = getgrgid(map.gid))) { DEBUG(0, ("Could not find unix group %d\n", map.gid)); return NT_STATUS_NO_SUCH_GROUP; } d_printf("Group members of %s: ", grp->gr_name); if (!(t = talloc_init())) { DEBUG(0, ("could not talloc_init\n")); return NT_STATUS_NO_MEMORY; } nt_members = talloc_zero(t, sizeof(char *) * delta->num_members); for (i=0; i<delta->num_members; i++) { NTSTATUS nt_status; SAM_ACCOUNT *member = NULL; DOM_SID member_sid; if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_talloc(t, &member))) { talloc_destroy(t); return nt_status; } sid_copy(&member_sid, get_global_sam_sid()); sid_append_rid(&member_sid, delta->rids[i]); if (!pdb_getsampwsid(member, &member_sid)) { DEBUG(1, ("Found bogus group member: %d\n", delta->rids[i])); pdb_free_sam(&member); continue; } if (pdb_get_group_rid(member) == rid) { d_printf("%s(primary),", pdb_get_username(member)); pdb_free_sam(&member); continue; } d_printf("%s,", pdb_get_username(member)); nt_members[i] = talloc_strdup(t, pdb_get_username(member)); pdb_free_sam(&member); } d_printf("\n"); unix_members = grp->gr_mem; while (*unix_members) { BOOL is_nt_member = False; for (i=0; i<delta->num_members; i++) { if (nt_members[i] == NULL) { /* This was a primary group */ continue; } if (strcmp(*unix_members, nt_members[i]) == 0) { is_nt_member = True; break; } } if (!is_nt_member) { /* We look at a unix group member that is not an nt group member. So, remove it. NT is boss here. */ smb_delete_user_group(grp->gr_name, *unix_members); } unix_members += 1; } for (i=0; i<delta->num_members; i++) { BOOL is_unix_member = False; if (nt_members[i] == NULL) { /* This was the primary group */ continue; } unix_members = grp->gr_mem; while (*unix_members) { if (strcmp(*unix_members, nt_members[i]) == 0) { is_unix_member = True; break; } unix_members += 1; } if (!is_unix_member) { /* We look at a nt group member that is not a unix group member currently. So, add the nt group member. */ smb_add_user_group(grp->gr_name, nt_members[i]); } } talloc_destroy(t); return NT_STATUS_OK; } static NTSTATUS fetch_alias_info(uint32 rid, SAM_ALIAS_INFO *delta, DOM_SID dom_sid) { fstring name; fstring comment; struct group *grp = NULL; DOM_SID alias_sid; fstring sid_string; GROUP_MAP map; int insert_flag = TDB_INSERT; unistr2_to_ascii(name, &delta->uni_als_name, sizeof(name)-1); unistr2_to_ascii(comment, &delta->uni_als_desc, sizeof(comment)-1); /* Find out whether the group is already mapped */ sid_copy(&alias_sid, &dom_sid); sid_append_rid(&alias_sid, rid); sid_to_string(sid_string, &alias_sid); if (get_group_map_from_sid(alias_sid, &map, False)) { grp = getgrgid(map.gid); insert_flag = 0; /* Don't TDB_INSERT, mapping exists */ } if (grp == NULL) { gid_t new_gid; /* No group found from mapping, find it from its name. */ if ((grp = getgrnam(name)) == NULL) { /* No appropriate group found, create one */ d_printf("Creating unix group: '%s'\n", name); if (smb_create_group(name, &new_gid) != 0) return NT_STATUS_ACCESS_DENIED; } if ((grp = getgrgid(new_gid)) == NULL) return NT_STATUS_ACCESS_DENIED; } map.gid = grp->gr_gid; map.sid = alias_sid; map.sid_name_use = SID_NAME_ALIAS; fstrcpy(map.nt_name, name); fstrcpy(map.comment, comment); map.priv_set.count = 0; map.priv_set.set = NULL; add_mapping_entry(&map, insert_flag); return NT_STATUS_OK; } static NTSTATUS fetch_alias_mem(uint32 rid, SAM_ALIAS_MEM_INFO *delta, DOM_SID dom_sid) { return NT_STATUS_OK; } static void fetch_sam_entry(SAM_DELTA_HDR *hdr_delta, SAM_DELTA_CTR *delta, DOM_SID dom_sid) { switch(hdr_delta->type) { case SAM_DELTA_ACCOUNT_INFO: fetch_account_info(hdr_delta->target_rid, &delta->account_info); break; case SAM_DELTA_GROUP_INFO: fetch_group_info(hdr_delta->target_rid, &delta->group_info); break; case SAM_DELTA_GROUP_MEM: fetch_group_mem_info(hdr_delta->target_rid, &delta->grp_mem_info); break; case SAM_DELTA_ALIAS_INFO: fetch_alias_info(hdr_delta->target_rid, &delta->alias_info, dom_sid); break; case SAM_DELTA_ALIAS_MEM: fetch_alias_mem(hdr_delta->target_rid, &delta->als_mem_info, dom_sid); break; default: d_printf("Unknown delta record type %d\n", hdr_delta->type); break; } } static void fetch_database(struct cli_state *cli, unsigned db_type, DOM_CRED *ret_creds, DOM_SID dom_sid) { unsigned last_rid = -1; NTSTATUS result; int i; TALLOC_CTX *mem_ctx; SAM_DELTA_HDR *hdr_deltas; SAM_DELTA_CTR *deltas; uint32 num_deltas; if (!(mem_ctx = talloc_init())) { return; } d_printf("Fetching database %u\n", db_type); do { result = cli_netlogon_sam_sync(cli, mem_ctx, ret_creds, db_type, last_rid+1, &num_deltas, &hdr_deltas, &deltas); clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred), ret_creds); last_rid = 0; for (i = 0; i < num_deltas; i++) { fetch_sam_entry(&hdr_deltas[i], &deltas[i], dom_sid); last_rid = hdr_deltas[i].target_rid; } } while (last_rid && NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES)); talloc_destroy(mem_ctx); } /* dump sam database via samsync rpc calls */ int rpc_vampire(int argc, const char **argv) { NTSTATUS result; struct cli_state *cli = NULL; uchar trust_password[16]; DOM_CRED ret_creds; uint32 neg_flags = 0x000001ff; DOM_SID dom_sid; ZERO_STRUCT(ret_creds); /* Connect to remote machine */ if (!(cli = net_make_ipc_connection(NET_FLAGS_ANONYMOUS | NET_FLAGS_PDC))) { return 1; } if (!cli_nt_session_open(cli, PIPE_NETLOGON)) { DEBUG(0,("Error connecting to NETLOGON pipe\n")); goto fail; } if (!secrets_fetch_trust_account_password(lp_workgroup(), trust_password, NULL)) { d_printf("Could not retrieve domain trust secret"); goto fail; } result = cli_nt_setup_creds(cli, SEC_CHAN_BDC, trust_password, &neg_flags, 2); if (!NT_STATUS_IS_OK(result)) { d_printf("Failed to setup BDC creds\n"); goto fail; } dom_sid = *get_global_sam_sid(); fetch_database(cli, SAM_DATABASE_DOMAIN, &ret_creds, dom_sid); sid_copy(&dom_sid, &global_sid_Builtin); fetch_database(cli, SAM_DATABASE_BUILTIN, &ret_creds, dom_sid); /* Currently we crash on PRIVS somewhere in unmarshalling */ /* Dump_database(cli, SAM_DATABASE_PRIVS, &ret_creds); */ cli_nt_session_close(cli); return 0; fail: if (cli) { cli_nt_session_close(cli); } return -1; }