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https://github.com/samba-team/samba.git
synced 2025-03-09 08:58:35 +03:00
First code for 'net rpc vampire'. We should probably find a more
positive name for this. It creates users and global groups. More to come. Volker (This used to be commit 0c1fadd9e024ef886542d362a7f119968552852d)
This commit is contained in:
Volker Lendecke
parent
c9ab9fe826
commit
e59d5b50fe
@ -387,7 +387,7 @@ NET_OBJ1 = utils/net.o utils/net_ads.o utils/net_ads_cldap.o utils/net_help.o \
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utils/net_cache.o
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NET_OBJ = $(NET_OBJ1) $(SECRETS_OBJ) $(LIBSMB_OBJ) \
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$(RPC_PARSE_OBJ) $(PASSDB_GET_SET_OBJ) \
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$(RPC_PARSE_OBJ) $(PASSDB_OBJ) $(GROUPDB_OBJ) \
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$(PARAM_OBJ) $(UBIQX_OBJ) $(LIB_OBJ) \
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$(LIBMSRPC_OBJ) $(LIBMSRPC_SERVER_OBJ) \
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$(LIBADS_OBJ) $(LIBADS_SERVER_OBJ)
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@ -2260,7 +2260,7 @@ int net_rpc(int argc, const char **argv)
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{"abortshutdown", rpc_shutdown_abort},
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{"shutdown", rpc_shutdown},
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{"samdump", rpc_samdump},
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{"vampire", rpc_samdump},
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{"vampire", rpc_vampire},
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{"getsid", net_rpc_getsid},
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{"help", net_rpc_help},
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{NULL, NULL}
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@ -185,3 +185,281 @@ fail:
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}
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return -1;
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}
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/* Convert a SAM_ACCOUNT_DELTA to a SAM_ACCOUNT. */
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static NTSTATUS
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sam_account_from_delta(SAM_ACCOUNT *account, SAM_ACCOUNT_INFO *delta)
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{
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DOM_SID sid;
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fstring s;
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/* Username, fullname, home dir, dir drive, logon script, acct
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desc, workstations, profile. */
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unistr2_to_ascii(s, &delta->uni_acct_name, sizeof(s) - 1);
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pdb_set_nt_username(account, s);
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/* Unix username is the same - for sainity */
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pdb_set_username(account, s);
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unistr2_to_ascii(s, &delta->uni_full_name, sizeof(s) - 1);
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pdb_set_fullname(account, s);
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unistr2_to_ascii(s, &delta->uni_home_dir, sizeof(s) - 1);
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pdb_set_homedir(account, s, True);
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unistr2_to_ascii(s, &delta->uni_dir_drive, sizeof(s) - 1);
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pdb_set_dir_drive(account, s, True);
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unistr2_to_ascii(s, &delta->uni_logon_script, sizeof(s) - 1);
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pdb_set_logon_script(account, s, True);
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unistr2_to_ascii(s, &delta->uni_acct_desc, sizeof(s) - 1);
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pdb_set_acct_desc(account, s);
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unistr2_to_ascii(s, &delta->uni_workstations, sizeof(s) - 1);
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pdb_set_workstations(account, s);
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unistr2_to_ascii(s, &delta->uni_profile, sizeof(s) - 1);
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pdb_set_profile_path(account, s, True);
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/* User and group sid */
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sid_copy(&sid, get_global_sam_sid());
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sid_append_rid(&sid, delta->user_rid);
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pdb_set_user_sid(account, &sid);
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sid_copy(&sid, get_global_sam_sid());
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sid_append_rid(&sid, delta->group_rid);
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pdb_set_group_sid(account, &sid);
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/* Logon and password information */
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pdb_set_logon_time(account, nt_time_to_unix(&delta->logon_time), True);
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pdb_set_logoff_time(account, nt_time_to_unix(&delta->logoff_time),
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True);
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pdb_set_logon_divs(account, delta->logon_divs);
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/* TODO: logon hours */
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/* TODO: bad password count */
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/* TODO: logon count */
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pdb_set_pass_last_set_time(
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account, nt_time_to_unix(&delta->pwd_last_set_time));
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/* TODO: account expiry time */
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pdb_set_acct_ctrl(account, delta->acb_info);
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return NT_STATUS_OK;
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}
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static NTSTATUS
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fetch_account_info(uint32 rid, SAM_ACCOUNT_INFO *delta)
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{
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NTSTATUS nt_ret;
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fstring account;
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pstring add_script;
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SAM_ACCOUNT *sam_account=NULL;
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fstrcpy(account, unistr2_static(&delta->uni_acct_name));
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d_printf("Creating account: %s\n", account);
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if (!NT_STATUS_IS_OK(nt_ret = pdb_init_sam(&sam_account)))
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return nt_ret;
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if (!pdb_getsampwnam(sam_account, account)) {
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struct passwd *pw;
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/* Create appropriate user */
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if (delta->acb_info & ACB_NORMAL) {
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pstrcpy(add_script, lp_adduser_script());
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} else if ( (delta->acb_info & ACB_WSTRUST) ||
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(delta->acb_info & ACB_SVRTRUST) ) {
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pstrcpy(add_script, lp_addmachine_script());
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} else {
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DEBUG(1, ("Unknown user type: %s\n",
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smbpasswd_encode_acb_info(delta->acb_info)));
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pdb_free_sam(&sam_account);
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return NT_STATUS_NO_SUCH_USER;
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}
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if (*add_script) {
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int add_ret;
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all_string_sub(add_script, "%u", account,
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sizeof(account));
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add_ret = smbrun(add_script,NULL);
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DEBUG(1,("fetch_account: Running the command `%s' "
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"gave %d\n", add_script, add_ret));
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}
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pw = getpwnam_alloc(account);
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if (pw) {
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nt_ret = pdb_init_sam_pw(&sam_account, pw);
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if (!NT_STATUS_IS_OK(nt_ret)) {
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passwd_free(&pw);
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pdb_free_sam(&sam_account);
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return nt_ret;
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}
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passwd_free(&pw);
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} else {
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DEBUG(3, ("Could not create account %s\n", account));
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pdb_free_sam(&sam_account);
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return NT_STATUS_NO_SUCH_USER;
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}
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}
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sam_account_from_delta(sam_account, delta);
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pdb_add_sam_account(sam_account);
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pdb_free_sam(&sam_account);
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return NT_STATUS_OK;
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}
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static NTSTATUS
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fetch_group_info(uint32 rid, SAM_GROUP_INFO *delta)
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{
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fstring name;
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fstring comment;
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struct group *grp;
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DOM_SID group_sid;
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fstring sid_string;
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GROUP_MAP map;
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int flag = TDB_INSERT;
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unistr2_to_ascii(name, &delta->uni_grp_name, sizeof(name)-1);
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unistr2_to_ascii(comment, &delta->uni_grp_desc, sizeof(comment)-1);
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if ((grp = getgrnam(name)) == NULL)
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smb_create_group(name);
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if ((grp = getgrnam(name)) == NULL)
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return NT_STATUS_ACCESS_DENIED;
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/* add the group to the mapping table */
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sid_copy(&group_sid, get_global_sam_sid());
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sid_append_rid(&group_sid, rid);
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sid_to_string(sid_string, &group_sid);
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/* Add the group mapping */
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if (get_group_map_from_sid(group_sid, &map, False)) {
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/* Don't TDB_INSERT, mapping exists */
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flag = 0;
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}
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map.gid = grp->gr_gid;
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map.sid = group_sid;
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map.sid_name_use = SID_NAME_DOM_GRP;
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fstrcpy(map.nt_name, name);
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fstrcpy(map.comment, comment);
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map.priv_set.count = 0;
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map.priv_set.set = NULL;
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add_mapping_entry(&map, flag);
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return NT_STATUS_OK;
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}
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static void
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fetch_sam_entry(SAM_DELTA_HDR *hdr_delta, SAM_DELTA_CTR *delta)
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{
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switch(hdr_delta->type) {
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case SAM_DELTA_ACCOUNT_INFO:
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fetch_account_info(hdr_delta->target_rid,
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&delta->account_info);
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break;
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case SAM_DELTA_GROUP_INFO:
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fetch_group_info(hdr_delta->target_rid,
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&delta->group_info);
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break;
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default:
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d_printf("Unknown delta record type %d\n", hdr_delta->type);
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break;
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}
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}
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static void
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fetch_database(struct cli_state *cli, unsigned db_type, DOM_CRED *ret_creds)
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{
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unsigned last_rid = -1;
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NTSTATUS result;
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int i;
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TALLOC_CTX *mem_ctx;
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SAM_DELTA_HDR *hdr_deltas;
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SAM_DELTA_CTR *deltas;
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uint32 num_deltas;
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if (!(mem_ctx = talloc_init())) {
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return;
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}
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d_printf("Fetching database %u\n", db_type);
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do {
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result = cli_netlogon_sam_sync(cli, mem_ctx, ret_creds,
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db_type, last_rid+1,
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&num_deltas,
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&hdr_deltas, &deltas);
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clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred),
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ret_creds);
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last_rid = 0;
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for (i = 0; i < num_deltas; i++) {
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fetch_sam_entry(&hdr_deltas[i], &deltas[i]);
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last_rid = hdr_deltas[i].target_rid;
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}
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} while (last_rid && NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
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talloc_destroy(mem_ctx);
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}
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/* dump sam database via samsync rpc calls */
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int rpc_vampire(int argc, const char **argv)
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{
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NTSTATUS result;
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struct cli_state *cli = NULL;
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uchar trust_password[16];
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DOM_CRED ret_creds;
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uint32 neg_flags = 0x000001ff;
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ZERO_STRUCT(ret_creds);
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/* Connect to remote machine */
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if (!(cli = net_make_ipc_connection(NET_FLAGS_ANONYMOUS |
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NET_FLAGS_PDC))) {
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return 1;
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}
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if (!cli_nt_session_open(cli, PIPE_NETLOGON)) {
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DEBUG(0,("Error connecting to NETLOGON pipe\n"));
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goto fail;
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}
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if (!secrets_fetch_trust_account_password(lp_workgroup(),
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trust_password, NULL)) {
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d_printf("Could not retrieve domain trust secret");
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goto fail;
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}
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result = cli_nt_setup_creds(cli, SEC_CHAN_BDC, trust_password,
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&neg_flags, 2);
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if (!NT_STATUS_IS_OK(result)) {
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d_printf("Failed to setup BDC creds\n");
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goto fail;
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}
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fetch_database(cli, SAM_DATABASE_DOMAIN, &ret_creds);
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fetch_database(cli, SAM_DATABASE_BUILTIN, &ret_creds);
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/* Currently we crash on PRIVS somewhere in unmarshalling */
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/* Dump_database(cli, SAM_DATABASE_PRIVS, &ret_creds); */
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cli_nt_session_close(cli);
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return 0;
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fail:
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if (cli) {
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cli_nt_session_close(cli);
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}
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return -1;
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}
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