Winbind daemon connection manager
- Copyright (C) Tim Potter 2001
- Copyright (C) Andrew Bartlett 2002
+ Copyright (C) Tim Potter 2001
+ Copyright (C) Andrew Bartlett 2002
+ Copyright (C) Gerald (Jerry) Carter 2003-2005.
+ Copyright (C) Volker Lendecke 2004-2005
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
- I'm pretty annoyed by all the make_nmb_name() stuff. It should be
moved down into another function.
- - There needs to be a utility function in libsmb/namequery.c that does
- cm_get_dc_name()
-
- Take care when destroying cli_structs as they can be shared between
various sam handles.
*/
+#include "includes.h"
#include "winbindd.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_WINBIND
-/* Global list of connections. Initially a DLIST but can become a hash
- table or whatever later. */
-struct winbindd_cm_conn {
- struct winbindd_cm_conn *prev, *next;
- fstring domain;
- fstring controller;
- fstring pipe_name;
- size_t mutex_ref_count;
- struct cli_state *cli;
- POLICY_HND pol;
-};
+/* Choose between anonymous or authenticated connections. We need to use
+ an authenticated connection if DCs have the RestrictAnonymous registry
+ entry set > 0, or the "Additional restrictions for anonymous
+ connections" set in the win2k Local Security Policy.
+
+ Caller to free() result in domain, username, password
+*/
-static struct winbindd_cm_conn *cm_conns = NULL;
+static void cm_get_ipc_userpass(char **username, char **domain, char **password)
+{
+ *username = (char *)secrets_fetch(SECRETS_AUTH_USER, NULL);
+ *domain = (char *)secrets_fetch(SECRETS_AUTH_DOMAIN, NULL);
+ *password = (char *)secrets_fetch(SECRETS_AUTH_PASSWORD, NULL);
+
+ if (*username && **username) {
-/* Get a domain controller name. Cache positive and negative lookups so we
- don't go to the network too often when something is badly broken. */
+ if (!*domain || !**domain)
+ *domain = smb_xstrdup(lp_workgroup());
+
+ if (!*password || !**password)
+ *password = smb_xstrdup("");
-#define GET_DC_NAME_CACHE_TIMEOUT 30 /* Seconds between dc lookups */
+ DEBUG(3, ("cm_get_ipc_userpass: Retrieved auth-user from secrets.tdb [%s\\%s]\n",
+ *domain, *username));
-struct get_dc_name_cache {
- fstring domain_name;
- fstring srv_name;
- time_t lookup_time;
- struct get_dc_name_cache *prev, *next;
-};
+ } else {
+ DEBUG(3, ("cm_get_ipc_userpass: No auth-user defined\n"));
+ *username = smb_xstrdup("");
+ *domain = smb_xstrdup("");
+ *password = smb_xstrdup("");
+ }
+}
-/*
- find the DC for a domain using methods appropriate for a ADS domain
-*/
-static BOOL cm_ads_find_dc(const char *domain, struct in_addr *dc_ip, fstring srv_name)
+static BOOL get_dc_name_via_netlogon(const struct winbindd_domain *domain,
+ fstring dcname, struct in_addr *dc_ip)
{
- ADS_STRUCT *ads;
- const char *realm = domain;
+ struct winbindd_domain *our_domain = NULL;
+ struct rpc_pipe_client *netlogon_pipe = NULL;
+ NTSTATUS result;
+ TALLOC_CTX *mem_ctx;
+
+ fstring tmp;
+ char *p;
- if (strcasecmp(realm, lp_workgroup()) == 0)
- realm = lp_realm();
+ /* Hmmmm. We can only open one connection to the NETLOGON pipe at the
+ * moment.... */
- ads = ads_init(realm, domain, NULL);
- if (!ads)
+ if (IS_DC) {
return False;
+ }
- /* we don't need to bind, just connect */
- ads->auth.flags |= ADS_AUTH_NO_BIND;
+ if (domain->primary) {
+ return False;
+ }
- DEBUG(4,("cm_ads_find_dc: domain=%s\n", domain));
+ our_domain = find_our_domain();
-#ifdef HAVE_ADS
- /* a full ads_connect() is actually overkill, as we don't srictly need
- to do the SASL auth in order to get the info we need, but libads
- doesn't offer a better way right now */
- ads_connect(ads);
-#endif
+ if ((mem_ctx = talloc_init("get_dc_name_via_netlogon")) == NULL) {
+ return False;
+ }
- if (!ads->config.realm)
+ result = cm_connect_netlogon(our_domain, &netlogon_pipe);
+ if (!NT_STATUS_IS_OK(result)) {
return False;
+ }
- fstrcpy(srv_name, ads->config.ldap_server_name);
- strupper(srv_name);
- *dc_ip = ads->ldap_ip;
- ads_destroy(&ads);
-
- DEBUG(4,("cm_ads_find_dc: using server='%s' IP=%s\n",
- srv_name, inet_ntoa(*dc_ip)));
-
- return True;
-}
+ result = rpccli_netlogon_getdcname(netlogon_pipe, mem_ctx, our_domain->dcname,
+ domain->name, tmp);
+ talloc_destroy(mem_ctx);
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(10, ("rpccli_netlogon_getdcname failed: %s\n",
+ nt_errstr(result)));
+ return False;
+ }
-static BOOL cm_get_dc_name(const char *domain, fstring srv_name, struct in_addr *ip_out)
-{
- static struct get_dc_name_cache *get_dc_name_cache;
- struct get_dc_name_cache *dcc;
- struct in_addr dc_ip;
- BOOL ret;
+ /* cli_netlogon_getdcname gives us a name with \\ */
+ p = tmp;
+ if (*p == '\\') {
+ p+=1;
+ }
+ if (*p == '\\') {
+ p+=1;
+ }
- /* Check the cache for previous lookups */
+ fstrcpy(dcname, p);
- for (dcc = get_dc_name_cache; dcc; dcc = dcc->next) {
+ DEBUG(10, ("rpccli_netlogon_getdcname returned %s\n", dcname));
- if (!strequal(domain, dcc->domain_name))
- continue; /* Not our domain */
+ if (!resolve_name(dcname, dc_ip, 0x20)) {
+ return False;
+ }
- if ((time(NULL) - dcc->lookup_time) >
- GET_DC_NAME_CACHE_TIMEOUT) {
+ return True;
+}
- /* Cache entry has expired, delete it */
+/************************************************************************
+ Given a fd with a just-connected TCP connection to a DC, open a connection
+ to the pipe.
+************************************************************************/
- DEBUG(10, ("get_dc_name_cache entry expired for %s\n", domain));
+static NTSTATUS cm_prepare_connection(const struct winbindd_domain *domain,
+ const int sockfd,
+ const char *controller,
+ struct cli_state **cli,
+ BOOL *retry)
+{
+ char *machine_password, *machine_krb5_principal, *machine_account;
+ char *ipc_username, *ipc_domain, *ipc_password;
- DLIST_REMOVE(get_dc_name_cache, dcc);
- SAFE_FREE(dcc);
+ BOOL got_mutex;
- break;
- }
+ NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
- /* Return a positive or negative lookup for this domain */
+ struct sockaddr peeraddr;
+ socklen_t peeraddr_len;
- if (dcc->srv_name[0]) {
- DEBUG(10, ("returning positive get_dc_name_cache entry for %s\n", domain));
- fstrcpy(srv_name, dcc->srv_name);
- return True;
- } else {
- DEBUG(10, ("returning negative get_dc_name_cache entry for %s\n", domain));
- return False;
- }
+ struct sockaddr_in *peeraddr_in = (struct sockaddr_in *)&peeraddr;
+
+ machine_password = secrets_fetch_machine_password(lp_workgroup(), NULL,
+ NULL);
+
+ if (asprintf(&machine_account, "%s$", global_myname()) == -1) {
+ SAFE_FREE(machine_password);
+ return NT_STATUS_NO_MEMORY;
}
- /* Add cache entry for this lookup. */
+ if (asprintf(&machine_krb5_principal, "%s$@%s", global_myname(),
+ lp_realm()) == -1) {
+ SAFE_FREE(machine_account);
+ SAFE_FREE(machine_password);
+ return NT_STATUS_NO_MEMORY;
+ }
- DEBUG(10, ("Creating get_dc_name_cache entry for %s\n", domain));
+ cm_get_ipc_userpass(&ipc_username, &ipc_domain, &ipc_password);
- if (!(dcc = (struct get_dc_name_cache *)
- malloc(sizeof(struct get_dc_name_cache))))
- return False;
+ *retry = True;
- ZERO_STRUCTP(dcc);
+ got_mutex = secrets_named_mutex(controller,
+ WINBIND_SERVER_MUTEX_WAIT_TIME);
- fstrcpy(dcc->domain_name, domain);
- dcc->lookup_time = time(NULL);
+ if (!got_mutex) {
+ DEBUG(0,("cm_prepare_connection: mutex grab failed for %s\n",
+ controller));
+ result = NT_STATUS_POSSIBLE_DEADLOCK;
+ goto done;
+ }
- DLIST_ADD(get_dc_name_cache, dcc);
+ if ((*cli = cli_initialise()) == NULL) {
+ DEBUG(1, ("Could not cli_initialize\n"));
+ result = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
- zero_ip(&dc_ip);
+ (*cli)->timeout = 10000; /* 10 seconds */
+ (*cli)->fd = sockfd;
+ fstrcpy((*cli)->desthost, controller);
+ (*cli)->use_kerberos = True;
- ret = False;
- if (lp_security() == SEC_ADS)
- ret = cm_ads_find_dc(domain, &dc_ip, srv_name);
+ peeraddr_len = sizeof(peeraddr);
- if (!ret) {
- /* fall back on rpc methods if the ADS methods fail */
- ret = rpc_find_dc(domain, srv_name, &dc_ip);
+ if ((getpeername((*cli)->fd, &peeraddr, &peeraddr_len) != 0) ||
+ (peeraddr_len != sizeof(struct sockaddr_in)) ||
+ (peeraddr_in->sin_family != PF_INET))
+ {
+ DEBUG(0,("cm_prepare_connection: %s\n", strerror(errno)));
+ result = NT_STATUS_UNSUCCESSFUL;
+ goto done;
}
- if (!ret)
- return False;
+ if (ntohs(peeraddr_in->sin_port) == 139) {
+ struct nmb_name calling;
+ struct nmb_name called;
- /* We have a name so make the cache entry positive now */
- fstrcpy(dcc->srv_name, srv_name);
+ make_nmb_name(&calling, global_myname(), 0x0);
+ make_nmb_name(&called, "*SMBSERVER", 0x20);
- DEBUG(3, ("cm_get_dc_name: Returning DC %s (%s) for domain %s\n", srv_name,
- inet_ntoa(dc_ip), domain));
+ if (!cli_session_request(*cli, &calling, &called)) {
+ DEBUG(8, ("cli_session_request failed for %s\n",
+ controller));
+ result = NT_STATUS_UNSUCCESSFUL;
+ goto done;
+ }
+ }
- *ip_out = dc_ip;
+ cli_setup_signing_state(*cli, Undefined);
- return True;
-}
+ if (!cli_negprot(*cli)) {
+ DEBUG(1, ("cli_negprot failed\n"));
+ result = NT_STATUS_UNSUCCESSFUL;
+ goto done;
+ }
+
+ if ((*cli)->protocol >= PROTOCOL_NT1 && (*cli)->capabilities & CAP_EXTENDED_SECURITY) {
+ ADS_STATUS ads_status;
-/* Choose between anonymous or authenticated connections. We need to use
- an authenticated connection if DCs have the RestrictAnonymous registry
- entry set > 0, or the "Additional restrictions for anonymous
- connections" set in the win2k Local Security Policy.
-
- Caller to free() result in domain, username, password
-*/
+ if (lp_security() == SEC_ADS) {
-static void cm_get_ipc_userpass(char **username, char **domain, char **password)
-{
- *username = secrets_fetch(SECRETS_AUTH_USER, NULL);
- *domain = secrets_fetch(SECRETS_AUTH_DOMAIN, NULL);
- *password = secrets_fetch(SECRETS_AUTH_PASSWORD, NULL);
-
- if (*username && **username) {
+ /* Try a krb5 session */
- if (!*domain || !**domain)
- *domain = smb_xstrdup(lp_workgroup());
-
- if (!*password || !**password)
- *password = smb_xstrdup("");
+ (*cli)->use_kerberos = True;
+ DEBUG(5, ("connecting to %s from %s with kerberos principal "
+ "[%s]\n", controller, global_myname(),
+ machine_krb5_principal));
- DEBUG(3, ("IPC$ connections done by user %s\\%s\n",
- *domain, *username));
+ ads_status = cli_session_setup_spnego(*cli,
+ machine_krb5_principal,
+ machine_password,
+ lp_workgroup());
- } else {
- DEBUG(3, ("IPC$ connections done anonymously\n"));
- *username = smb_xstrdup("");
- *domain = smb_xstrdup("");
- *password = smb_xstrdup("");
- }
-}
+ if (!ADS_ERR_OK(ads_status)) {
+ DEBUG(4,("failed kerberos session setup with %s\n",
+ ads_errstr(ads_status)));
+ }
-/* Open a new smb pipe connection to a DC on a given domain. Cache
- negative creation attempts so we don't try and connect to broken
- machines too often. */
+ result = ads_ntstatus(ads_status);
+ if (NT_STATUS_IS_OK(result)) {
+ /* Ensure creds are stored for NTLMSSP authenticated pipe access. */
+ cli_init_creds(*cli, machine_account, lp_workgroup(), machine_password);
+ goto session_setup_done;
+ }
+ }
-#define FAILED_CONNECTION_CACHE_TIMEOUT 30 /* Seconds between attempts */
+ /* Fall back to non-kerberos session setup using NTLMSSP SPNEGO with the machine account. */
+ (*cli)->use_kerberos = False;
-struct failed_connection_cache {
- fstring domain_name;
- fstring controller;
- time_t lookup_time;
- NTSTATUS nt_status;
- struct failed_connection_cache *prev, *next;
-};
+ DEBUG(5, ("connecting to %s from %s with username "
+ "[%s]\\[%s]\n", controller, global_myname(),
+ lp_workgroup(), machine_account));
-static struct failed_connection_cache *failed_connection_cache;
+ ads_status = cli_session_setup_spnego(*cli,
+ machine_account,
+ machine_password,
+ lp_workgroup());
+ if (!ADS_ERR_OK(ads_status)) {
+ DEBUG(4, ("authenticated session setup failed with %s\n",
+ ads_errstr(ads_status)));
+ }
-/* Add an entry to the failed conneciton cache */
+ result = ads_ntstatus(ads_status);
+ if (NT_STATUS_IS_OK(result)) {
+ /* Ensure creds are stored for NTLMSSP authenticated pipe access. */
+ cli_init_creds(*cli, machine_account, lp_workgroup(), machine_password);
+ goto session_setup_done;
+ }
+ }
-static void add_failed_connection_entry(struct winbindd_cm_conn *new_conn,
- NTSTATUS result)
-{
- struct failed_connection_cache *fcc;
+ /* Fall back to non-kerberos session setup */
+
+ (*cli)->use_kerberos = False;
+
+ if ((((*cli)->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) != 0) &&
+ (strlen(ipc_username) > 0)) {
- SMB_ASSERT(!NT_STATUS_IS_OK(result));
+ /* Only try authenticated if we have a username */
- /* Check we already aren't in the cache */
+ DEBUG(5, ("connecting to %s from %s with username "
+ "[%s]\\[%s]\n", controller, global_myname(),
+ ipc_domain, ipc_username));
- for (fcc = failed_connection_cache; fcc; fcc = fcc->next) {
- if (strequal(fcc->domain_name, new_conn->domain)) {
- DEBUG(10, ("domain %s already tried and failed\n",
- fcc->domain_name));
- return;
+ if (NT_STATUS_IS_OK(cli_session_setup(
+ *cli, ipc_username,
+ ipc_password, strlen(ipc_password)+1,
+ ipc_password, strlen(ipc_password)+1,
+ ipc_domain))) {
+ /* Successful logon with given username. */
+ cli_init_creds(*cli, ipc_username, ipc_domain, ipc_password);
+ goto session_setup_done;
+ } else {
+ DEBUG(4, ("authenticated session setup with user %s\\%s failed.\n",
+ ipc_domain, ipc_username ));
}
}
- /* Create negative lookup cache entry for this domain and controller */
+ /* Fall back to anonymous connection, this might fail later */
- if (!(fcc = (struct failed_connection_cache *)
- malloc(sizeof(struct failed_connection_cache)))) {
- DEBUG(0, ("malloc failed in add_failed_connection_entry!\n"));
- return;
+ if (NT_STATUS_IS_OK(cli_session_setup(*cli, "", NULL, 0,
+ NULL, 0, ""))) {
+ DEBUG(5, ("Connected anonymously\n"));
+ cli_init_creds(*cli, "", "", "");
+ goto session_setup_done;
}
-
- ZERO_STRUCTP(fcc);
-
- fstrcpy(fcc->domain_name, new_conn->domain);
- fstrcpy(fcc->controller, new_conn->controller);
- fcc->lookup_time = time(NULL);
- fcc->nt_status = result;
-
- DLIST_ADD(failed_connection_cache, fcc);
-}
-
-/* Open a connction to the remote server, cache failures for 30 seconds */
-static NTSTATUS cm_open_connection(const char *domain, const int pipe_index,
- struct winbindd_cm_conn *new_conn)
-{
- struct failed_connection_cache *fcc;
- NTSTATUS result;
- char *ipc_username, *ipc_domain, *ipc_password;
- struct in_addr dc_ip;
- int i;
- BOOL retry = True;
+ result = cli_nt_error(*cli);
- ZERO_STRUCT(dc_ip);
+ if (NT_STATUS_IS_OK(result))
+ result = NT_STATUS_UNSUCCESSFUL;
- fstrcpy(new_conn->domain, domain);
- fstrcpy(new_conn->pipe_name, get_pipe_name_from_index(pipe_index));
-
- /* Look for a domain controller for this domain. Negative results
- are cached so don't bother applying the caching for this
- function just yet. */
+ /* We can't session setup */
- if (!cm_get_dc_name(domain, new_conn->controller, &dc_ip)) {
- result = NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
- add_failed_connection_entry(new_conn, result);
- return result;
- }
-
- /* Return false if we have tried to look up this domain and netbios
- name before and failed. */
+ goto done;
- for (fcc = failed_connection_cache; fcc; fcc = fcc->next) {
-
- if (!(strequal(domain, fcc->domain_name) &&
- strequal(new_conn->controller, fcc->controller)))
- continue; /* Not our domain */
-
- if ((time(NULL) - fcc->lookup_time) >
- FAILED_CONNECTION_CACHE_TIMEOUT) {
+ session_setup_done:
- /* Cache entry has expired, delete it */
+ /* cache the server name for later connections */
- DEBUG(10, ("cm_open_connection cache entry expired for %s, %s\n", domain, new_conn->controller));
+ saf_store( domain->name, (*cli)->desthost );
- DLIST_REMOVE(failed_connection_cache, fcc);
- free(fcc);
+ if (!cli_send_tconX(*cli, "IPC$", "IPC", "", 0)) {
- break;
- }
+ result = cli_nt_error(*cli);
- /* The timeout hasn't expired yet so return false */
+ DEBUG(1,("failed tcon_X with %s\n", nt_errstr(result)));
- DEBUG(10, ("returning negative open_connection_cache entry for %s, %s\n", domain, new_conn->controller));
+ if (NT_STATUS_IS_OK(result))
+ result = NT_STATUS_UNSUCCESSFUL;
- result = fcc->nt_status;
- SMB_ASSERT(!NT_STATUS_IS_OK(result));
- return result;
+ goto done;
}
- /* Initialise SMB connection */
+ secrets_named_mutex_release(controller);
+ got_mutex = False;
+ *retry = False;
- cm_get_ipc_userpass(&ipc_username, &ipc_domain, &ipc_password);
+ /* set the domain if empty; needed for schannel connections */
+ if ( !*(*cli)->domain ) {
+ fstrcpy( (*cli)->domain, domain->name );
+ }
- DEBUG(5, ("connecting to %s from %s with username [%s]\\[%s]\n",
- new_conn->controller, global_myname(), ipc_domain, ipc_username));
+ result = NT_STATUS_OK;
- for (i = 0; retry && (i < 3); i++) {
- BOOL got_mutex;
- if (!(got_mutex = secrets_named_mutex(new_conn->controller, WINBIND_SERVER_MUTEX_WAIT_TIME))) {
- DEBUG(0,("cm_open_connection: mutex grab failed for %s\n", new_conn->controller));
- result = NT_STATUS_POSSIBLE_DEADLOCK;
- continue;
- }
-
- result = cli_full_connection(&new_conn->cli, global_myname(), new_conn->controller,
- &dc_ip, 0, "IPC$", "IPC", ipc_username, ipc_domain,
- ipc_password, CLI_FULL_CONNECTION_ANNONYMOUS_FALLBACK, &retry);
-
- secrets_named_mutex_release(new_conn->controller);
-
- if (NT_STATUS_IS_OK(result))
- break;
+ done:
+ if (got_mutex) {
+ secrets_named_mutex_release(controller);
}
+ SAFE_FREE(machine_account);
+ SAFE_FREE(machine_password);
+ SAFE_FREE(machine_krb5_principal);
SAFE_FREE(ipc_username);
SAFE_FREE(ipc_domain);
SAFE_FREE(ipc_password);
if (!NT_STATUS_IS_OK(result)) {
- add_failed_connection_entry(new_conn, result);
- return result;
+ add_failed_connection_entry(domain->name, controller, result);
+ if ((*cli) != NULL) {
+ cli_shutdown(*cli);
+ *cli = NULL;
+ }
}
-
- if ( !cli_nt_session_open (new_conn->cli, pipe_index) ) {
- result = NT_STATUS_PIPE_NOT_AVAILABLE;
- /*
- * only cache a failure if we are not trying to open the
- * **win2k** specific lsarpc UUID. This could be an NT PDC
- * and therefore a failure is normal. This should probably
- * be abstracted to a check for 2k specific pipes and wondering
- * if the PDC is an NT4 box. but since there is only one 2k
- * specific UUID right now, i'm not going to bother. --jerry
- */
- if ( !is_win2k_pipe(pipe_index) )
- add_failed_connection_entry(new_conn, result);
- cli_shutdown(new_conn->cli);
- return result;
+
+ return result;
+}
+
+struct dc_name_ip {
+ fstring name;
+ struct in_addr ip;
+};
+
+static BOOL add_one_dc_unique(TALLOC_CTX *mem_ctx, const char *domain_name,
+ const char *dcname, struct in_addr ip,
+ struct dc_name_ip **dcs, int *num)
+{
+ if (!NT_STATUS_IS_OK(check_negative_conn_cache(domain_name, dcname))) {
+ DEBUG(10, ("DC %s was in the negative conn cache\n", dcname));
+ return False;
}
- return NT_STATUS_OK;
+ *dcs = TALLOC_REALLOC_ARRAY(mem_ctx, *dcs, struct dc_name_ip, (*num)+1);
+
+ if (*dcs == NULL)
+ return False;
+
+ fstrcpy((*dcs)[*num].name, dcname);
+ (*dcs)[*num].ip = ip;
+ *num += 1;
+ return True;
}
-/* Return true if a connection is still alive */
+static BOOL add_sockaddr_to_array(TALLOC_CTX *mem_ctx,
+ struct in_addr ip, uint16 port,
+ struct sockaddr_in **addrs, int *num)
+{
+ *addrs = TALLOC_REALLOC_ARRAY(mem_ctx, *addrs, struct sockaddr_in, (*num)+1);
+
+ if (*addrs == NULL)
+ return False;
+
+ (*addrs)[*num].sin_family = PF_INET;
+ putip((char *)&((*addrs)[*num].sin_addr), (char *)&ip);
+ (*addrs)[*num].sin_port = htons(port);
+
+ *num += 1;
+ return True;
+}
+
+static void mailslot_name(struct in_addr dc_ip, fstring name)
+{
+ fstr_sprintf(name, "\\MAILSLOT\\NET\\GETDC%X", dc_ip.s_addr);
+}
+
+static BOOL send_getdc_request(struct in_addr dc_ip,
+ const char *domain_name,
+ const DOM_SID *sid)
+{
+ pstring outbuf;
+ char *p;
+ fstring my_acct_name;
+ fstring my_mailslot;
+
+ mailslot_name(dc_ip, my_mailslot);
+
+ memset(outbuf, '\0', sizeof(outbuf));
+
+ p = outbuf;
+
+ SCVAL(p, 0, SAMLOGON);
+ p++;
+
+ SCVAL(p, 0, 0); /* Count pointer ... */
+ p++;
-static BOOL connection_ok(struct winbindd_cm_conn *conn)
+ SIVAL(p, 0, 0); /* The sender's token ... */
+ p += 2;
+
+ p += dos_PutUniCode(p, global_myname(), sizeof(pstring), True);
+ fstr_sprintf(my_acct_name, "%s$", global_myname());
+ p += dos_PutUniCode(p, my_acct_name, sizeof(pstring), True);
+
+ memcpy(p, my_mailslot, strlen(my_mailslot)+1);
+ p += strlen(my_mailslot)+1;
+
+ SIVAL(p, 0, 0x80);
+ p+=4;
+
+ SIVAL(p, 0, sid_size(sid));
+ p+=4;
+
+ p = ALIGN4(p, outbuf);
+
+ sid_linearize(p, sid_size(sid), sid);
+ p += sid_size(sid);
+
+ SIVAL(p, 0, 1);
+ SSVAL(p, 4, 0xffff);
+ SSVAL(p, 6, 0xffff);
+ p+=8;
+
+ return cli_send_mailslot(False, "\\MAILSLOT\\NET\\NTLOGON", 0,
+ outbuf, PTR_DIFF(p, outbuf),
+ global_myname(), 0, domain_name, 0x1c,
+ dc_ip);
+}
+
+static BOOL receive_getdc_response(struct in_addr dc_ip,
+ const char *domain_name,
+ fstring dc_name)
{
- if (!conn) {
- smb_panic("Invalid paramater passed to conneciton_ok(): conn was NULL!\n");
+ struct packet_struct *packet;
+ fstring my_mailslot;
+ char *buf, *p;
+ fstring dcname, user, domain;
+ int len;
+
+ mailslot_name(dc_ip, my_mailslot);
+
+ packet = receive_unexpected(DGRAM_PACKET, 0, my_mailslot);
+
+ if (packet == NULL) {
+ DEBUG(5, ("Did not receive packet for %s\n", my_mailslot));
return False;
}
- if (!conn->cli) {
- DEBUG(0, ("Connection to %s for domain %s (pipe %s) has NULL conn->cli!\n",
- conn->controller, conn->domain, conn->pipe_name));
- smb_panic("connection_ok: conn->cli was null!");
+ DEBUG(5, ("Received packet for %s\n", my_mailslot));
+
+ buf = packet->packet.dgram.data;
+ len = packet->packet.dgram.datasize;
+
+ if (len < 70) {
+ /* 70 is a completely arbitrary value to make sure
+ the SVAL below does not read uninitialized memory */
+ DEBUG(3, ("GetDC got short response\n"));
return False;
}
- if (!conn->cli->initialised) {
- DEBUG(0, ("Connection to %s for domain %s (pipe %s) was never initialised!\n",
- conn->controller, conn->domain, conn->pipe_name));
- smb_panic("connection_ok: conn->cli->initialised is False!");
+ /* This should be (buf-4)+SVAL(buf-4, smb_vwv12)... */
+ p = buf+SVAL(buf, smb_vwv10);
+
+ if (CVAL(p,0) != SAMLOGON_R) {
+ DEBUG(8, ("GetDC got invalid response type %d\n", CVAL(p, 0)));
return False;
}
- if (conn->cli->fd == -1) {
- DEBUG(3, ("Connection to %s for domain %s (pipe %s) has died or was never started (fd == -1)\n",
- conn->controller, conn->domain, conn->pipe_name));
+ p+=2;
+ pull_ucs2(buf, dcname, p, sizeof(dcname), PTR_DIFF(buf+len, p),
+ STR_TERMINATE|STR_NOALIGN);
+ p = skip_unibuf(p, PTR_DIFF(buf+len, p));
+ pull_ucs2(buf, user, p, sizeof(dcname), PTR_DIFF(buf+len, p),
+ STR_TERMINATE|STR_NOALIGN);
+ p = skip_unibuf(p, PTR_DIFF(buf+len, p));
+ pull_ucs2(buf, domain, p, sizeof(dcname), PTR_DIFF(buf+len, p),
+ STR_TERMINATE|STR_NOALIGN);
+ p = skip_unibuf(p, PTR_DIFF(buf+len, p));
+
+ if (!strequal(domain, domain_name)) {
+ DEBUG(3, ("GetDC: Expected domain %s, got %s\n",
+ domain_name, domain));
return False;
}
-
+
+ p = dcname;
+ if (*p == '\\') p += 1;
+ if (*p == '\\') p += 1;
+
+ fstrcpy(dc_name, p);
+
+ DEBUG(10, ("GetDC gave name %s for domain %s\n",
+ dc_name, domain));
+
return True;
}
-/* Get a connection to the remote DC and open the pipe. If there is already a connection, use that */
+/*******************************************************************
+ convert an ip to a name
+*******************************************************************/
-static NTSTATUS get_connection_from_cache(const char *domain, const char *pipe_name,
- struct winbindd_cm_conn **conn_out)
+static BOOL dcip_to_name( const char *domainname, const char *realm,
+ const DOM_SID *sid, struct in_addr ip, fstring name )
{
- struct winbindd_cm_conn *conn, conn_temp;
- NTSTATUS result;
+ struct ip_service ip_list;
- for (conn = cm_conns; conn; conn = conn->next) {
- if (strequal(conn->domain, domain) &&
- strequal(conn->pipe_name, pipe_name)) {
- if (!connection_ok(conn)) {
- if (conn->cli)
- cli_shutdown(conn->cli);
- ZERO_STRUCT(conn_temp);
- conn_temp.next = conn->next;
- DLIST_REMOVE(cm_conns, conn);
- SAFE_FREE(conn);
- conn = &conn_temp; /* Just to keep the loop moving */
- } else {
- break;
+ ip_list.ip = ip;
+ ip_list.port = 0;
+
+#ifdef WITH_ADS
+ /* For active directory servers, try to get the ldap server name.
+ None of these failures should be considered critical for now */
+
+ if ( lp_security() == SEC_ADS ) {
+ ADS_STRUCT *ads;
+
+ ads = ads_init(realm, domainname, NULL);
+ ads->auth.flags |= ADS_AUTH_NO_BIND;
+
+ if (ads_try_connect( ads, inet_ntoa(ip) ) ) {
+ const char *sitename = sitename_fetch();
+ /* We got a cldap packet. */
+ fstrcpy(name, ads->config.ldap_server_name);
+ namecache_store(name, 0x20, 1, &ip_list);
+
+#ifdef HAVE_KRB5
+ if ((ads->config.flags & ADS_KDC) && sitename) {
+ /* We're going to use this KDC for this realm/domain.
+ If we are using sites, then force the krb5 libs
+ to use this KDC. */
+
+ create_local_private_krb5_conf_for_domain(realm,
+ domainname,
+ ip);
}
+#endif
+ SAFE_FREE(sitename);
+ ads_destroy( &ads );
+ return True;
}
+
+ ads_destroy( &ads );
}
+#endif
+
+ /* try GETDC requests next */
- if (!conn) {
- if (!(conn = malloc(sizeof(*conn))))
- return NT_STATUS_NO_MEMORY;
-
- ZERO_STRUCTP(conn);
-
- if (!NT_STATUS_IS_OK(result = cm_open_connection(domain, get_pipe_index(pipe_name), conn))) {
- DEBUG(3, ("Could not open a connection to %s for %s (%s)\n",
- domain, pipe_name, nt_errstr(result)));
- SAFE_FREE(conn);
- return result;
+ if (send_getdc_request(ip, domainname, sid)) {
+ int i;
+ smb_msleep(100);
+ for (i=0; i<5; i++) {
+ if (receive_getdc_response(ip, domainname, name)) {
+ namecache_store(name, 0x20, 1, &ip_list);
+ return True;
+ }
+ smb_msleep(500);
}
- DLIST_ADD(cm_conns, conn);
}
-
- *conn_out = conn;
- return NT_STATUS_OK;
+
+ /* try node status request */
+
+ if ( name_status_find(domainname, 0x1c, 0x20, ip, name) ) {
+ namecache_store(name, 0x20, 1, &ip_list);
+ return True;
+ }
+ return False;
}
+/*******************************************************************
+ Retreive a list of IP address for domain controllers. Fill in
+ the dcs[] with results.
+*******************************************************************/
-/**********************************************************************************
-**********************************************************************************/
+static BOOL get_dcs(TALLOC_CTX *mem_ctx, const struct winbindd_domain *domain,
+ struct dc_name_ip **dcs, int *num_dcs)
+{
+ fstring dcname;
+ struct in_addr ip;
+ struct ip_service *ip_list = NULL;
+ int iplist_size = 0;
+ int i;
+ BOOL is_our_domain;
+ enum security_types sec = (enum security_types)lp_security();
+
+ is_our_domain = strequal(domain->name, lp_workgroup());
+
+ if ( !is_our_domain
+ && get_dc_name_via_netlogon(domain, dcname, &ip)
+ && add_one_dc_unique(mem_ctx, domain->name, dcname, ip, dcs, num_dcs) )
+ {
+ DEBUG(10, ("Retrieved DC %s at %s via netlogon\n",
+ dcname, inet_ntoa(ip)));
+ return True;
+ }
+
+#ifdef WITH_ADS
+ if (sec == SEC_ADS) {
+ /* We need to make sure we know the local site before
+ doing any DNS queries, as this will restrict the
+ get_sorted_dc_list() call below to only fetching
+ DNS records for the correct site. */
+
+ /* Find any DC to get the site record.
+ We deliberately don't care about the
+ return here. */
+ get_dc_name(domain->name, lp_realm(), dcname, &ip);
+ }
+#endif
+
+ /* try standard netbios queries first */
+
+ get_sorted_dc_list(domain->name, &ip_list, &iplist_size, False);
+
+ /* check for security = ads and use DNS if we can */
+
+ if ( iplist_size==0 && sec == SEC_ADS )
+ get_sorted_dc_list(domain->alt_name, &ip_list, &iplist_size, True);
+
+ /* FIXME!! this is where we should re-insert the GETDC requests --jerry */
+
+ /* now add to the dc array. We'll wait until the last minute
+ to look up the name of the DC. But we fill in the char* for
+ the ip now in to make the failed connection cache work */
+
+ for ( i=0; i<iplist_size; i++ ) {
+ add_one_dc_unique(mem_ctx, domain->name, inet_ntoa(ip_list[i].ip),
+ ip_list[i].ip, dcs, num_dcs);
+ }
+
+ SAFE_FREE( ip_list );
+
+ return True;
+}
-BOOL cm_check_for_native_mode_win2k( const char *domain )
+static BOOL find_new_dc(TALLOC_CTX *mem_ctx,
+ const struct winbindd_domain *domain,
+ fstring dcname, struct sockaddr_in *addr, int *fd)
{
- NTSTATUS result;
- struct winbindd_cm_conn conn;
- DS_DOMINFO_CTR ctr;
- BOOL ret = False;
-
- ZERO_STRUCT( conn );
- ZERO_STRUCT( ctr );
-
-
- if ( !NT_STATUS_IS_OK(result = cm_open_connection(domain, PI_LSARPC_DS, &conn)) ) {
- DEBUG(5, ("cm_check_for_native_mode_win2k: Could not open a connection to %s for PIPE_LSARPC (%s)\n",
- domain, nt_errstr(result)));
+ struct dc_name_ip *dcs = NULL;
+ int num_dcs = 0;
+
+ const char **dcnames = NULL;
+ int num_dcnames = 0;
+
+ struct sockaddr_in *addrs = NULL;
+ int num_addrs = 0;
+
+ int i, fd_index;
+
+ again:
+ if (!get_dcs(mem_ctx, domain, &dcs, &num_dcs) || (num_dcs == 0))
return False;
+
+ for (i=0; i<num_dcs; i++) {
+
+ add_string_to_array(mem_ctx, dcs[i].name,
+ &dcnames, &num_dcnames);
+ add_sockaddr_to_array(mem_ctx, dcs[i].ip, 445,
+ &addrs, &num_addrs);
+
+ add_string_to_array(mem_ctx, dcs[i].name,
+ &dcnames, &num_dcnames);
+ add_sockaddr_to_array(mem_ctx, dcs[i].ip, 139,
+ &addrs, &num_addrs);
}
-
- if ( conn.cli ) {
- if ( !NT_STATUS_IS_OK(cli_ds_getprimarydominfo( conn.cli,
- conn.cli->mem_ctx, DsRolePrimaryDomainInfoBasic, &ctr)) ) {
- ret = False;
- goto done;
+
+ if ((num_dcnames == 0) || (num_dcnames != num_addrs))
+ return False;
+
+ if ((addrs == NULL) || (dcnames == NULL))
+ return False;
+
+ if ( !open_any_socket_out(addrs, num_addrs, 10000, &fd_index, fd) )
+ {
+ for (i=0; i<num_dcs; i++) {
+ add_failed_connection_entry(domain->name,
+ dcs[i].name, NT_STATUS_UNSUCCESSFUL);
}
+ return False;
}
-
- if ( (ctr.basic->flags & DSROLE_PRIMARY_DS_RUNNING)
- && !(ctr.basic->flags & DSROLE_PRIMARY_DS_MIXED_MODE) )
- ret = True;
-done:
- if ( conn.cli )
- cli_shutdown( conn.cli );
-
- return ret;
-}
+ *addr = addrs[fd_index];
+ if (*dcnames[fd_index] != '\0' && !is_ipaddress(dcnames[fd_index])) {
+ /* Ok, we've got a name for the DC */
+ fstrcpy(dcname, dcnames[fd_index]);
+ return True;
+ }
+ /* Try to figure out the name */
+ if (dcip_to_name( domain->name, domain->alt_name, &domain->sid,
+ addr->sin_addr, dcname )) {
+ return True;
+ }
-/* Return a LSA policy handle on a domain */
+ /* We can not continue without the DC's name */
+ add_failed_connection_entry(domain->name, dcs[fd_index].name,
+ NT_STATUS_UNSUCCESSFUL);
+ goto again;
+}
-CLI_POLICY_HND *cm_get_lsa_handle(const char *domain)
+static NTSTATUS cm_open_connection(struct winbindd_domain *domain,
+ struct winbindd_cm_conn *new_conn)
{
- struct winbindd_cm_conn *conn;
- uint32 des_access = SEC_RIGHTS_MAXIMUM_ALLOWED;
+ TALLOC_CTX *mem_ctx;
NTSTATUS result;
- static CLI_POLICY_HND hnd;
+ char *saf_servername = saf_fetch( domain->name );
+ int retries;
+
+ if ((mem_ctx = talloc_init("cm_open_connection")) == NULL)
+ return NT_STATUS_NO_MEMORY;
+
+ /* we have to check the server affinity cache here since
+ later we selecte a DC based on response time and not preference */
+
+ if ( saf_servername )
+ {
+ /* convert an ip address to a name */
+ if ( is_ipaddress( saf_servername ) )
+ {
+ fstring saf_name;
+ struct in_addr ip;
+
+ ip = *interpret_addr2( saf_servername );
+ if (dcip_to_name( domain->name, domain->alt_name,
+ &domain->sid, ip, saf_name )) {
+ fstrcpy( domain->dcname, saf_name );
+ } else {
+ add_failed_connection_entry(
+ domain->name, saf_servername,
+ NT_STATUS_UNSUCCESSFUL);
+ }
+ }
+ else
+ {
+ fstrcpy( domain->dcname, saf_servername );
+ }
- /* Look for existing connections */
+ SAFE_FREE( saf_servername );
+ }
- if (!NT_STATUS_IS_OK(result = get_connection_from_cache(domain, PIPE_LSARPC, &conn)))
- return NULL;
+ for (retries = 0; retries < 3; retries++) {
- /* This *shitty* code needs scrapping ! JRA */
- if (policy_handle_is_valid(&conn->pol)) {
- hnd.pol = conn->pol;
- hnd.cli = conn->cli;
- return &hnd;
- }
-
- result = cli_lsa_open_policy(conn->cli, conn->cli->mem_ctx, False,
- des_access, &conn->pol);
+ int fd = -1;
+ BOOL retry = False;
- if (!NT_STATUS_IS_OK(result)) {
- /* Hit the cache code again. This cleans out the old connection and gets a new one */
- if (conn->cli->fd == -1) { /* Try again, if the remote host disapeared */
- if (!NT_STATUS_IS_OK(result = get_connection_from_cache(domain, PIPE_LSARPC, &conn)))
- return NULL;
+ result = NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
+
+ if ((strlen(domain->dcname) > 0)
+ && NT_STATUS_IS_OK(check_negative_conn_cache( domain->name, domain->dcname))
+ && (resolve_name(domain->dcname, &domain->dcaddr.sin_addr, 0x20)))
+ {
+ struct sockaddr_in *addrs = NULL;
+ int num_addrs = 0;
+ int dummy = 0;
- result = cli_lsa_open_policy(conn->cli, conn->cli->mem_ctx, False,
- des_access, &conn->pol);
+ add_sockaddr_to_array(mem_ctx, domain->dcaddr.sin_addr, 445, &addrs, &num_addrs);
+ add_sockaddr_to_array(mem_ctx, domain->dcaddr.sin_addr, 139, &addrs, &num_addrs);
+
+ if (!open_any_socket_out(addrs, num_addrs, 10000, &dummy, &fd)) {
+ domain->online = False;
+ fd = -1;
+ }
}
- if (!NT_STATUS_IS_OK(result)) {
- cli_shutdown(conn->cli);
- DLIST_REMOVE(cm_conns, conn);
- SAFE_FREE(conn);
- return NULL;
+ if ((fd == -1)
+ && !find_new_dc(mem_ctx, domain, domain->dcname, &domain->dcaddr, &fd))
+ {
+ /* This is the one place where we will
+ set the global winbindd offline state
+ to true, if a "WINBINDD_OFFLINE" entry
+ is found in the winbindd cache. */
+ set_global_winbindd_state_offline();
+ domain->online = False;
+ break;
}
- }
- hnd.pol = conn->pol;
- hnd.cli = conn->cli;
+ new_conn->cli = NULL;
+
+ result = cm_prepare_connection(domain, fd, domain->dcname,
+ &new_conn->cli, &retry);
+
+ if (!retry)
+ break;
+ }
- return &hnd;
+ if (NT_STATUS_IS_OK(result)) {
+ if (domain->online == False) {
+ /* We're changing state from offline to online. */
+ set_global_winbindd_state_online();
+ }
+ domain->online = True;
+ }
+
+ talloc_destroy(mem_ctx);
+ return result;
}
-/* Return a SAM policy handle on a domain */
+/* Close down all open pipes on a connection. */
-CLI_POLICY_HND *cm_get_sam_handle(char *domain)
-{
- struct winbindd_cm_conn *conn;
- uint32 des_access = SEC_RIGHTS_MAXIMUM_ALLOWED;
- NTSTATUS result;
- static CLI_POLICY_HND hnd;
+void invalidate_cm_connection(struct winbindd_cm_conn *conn)
+{
+ if (conn->samr_pipe != NULL) {
+ cli_rpc_pipe_close(conn->samr_pipe);
+ conn->samr_pipe = NULL;
+ }
- /* Look for existing connections */
+ if (conn->lsa_pipe != NULL) {
+ cli_rpc_pipe_close(conn->lsa_pipe);
+ conn->lsa_pipe = NULL;
+ }
- if (!NT_STATUS_IS_OK(result = get_connection_from_cache(domain, PIPE_SAMR, &conn)))
- return NULL;
-
- /* This *shitty* code needs scrapping ! JRA */
- if (policy_handle_is_valid(&conn->pol)) {
- hnd.pol = conn->pol;
- hnd.cli = conn->cli;
- return &hnd;
+ if (conn->netlogon_pipe != NULL) {
+ cli_rpc_pipe_close(conn->netlogon_pipe);
+ conn->netlogon_pipe = NULL;
}
- result = cli_samr_connect(conn->cli, conn->cli->mem_ctx,
- des_access, &conn->pol);
- if (!NT_STATUS_IS_OK(result)) {
- /* Hit the cache code again. This cleans out the old connection and gets a new one */
- if (conn->cli->fd == -1) { /* Try again, if the remote host disapeared */
- if (!NT_STATUS_IS_OK(result = get_connection_from_cache(domain, PIPE_SAMR, &conn)))
- return NULL;
+ if (conn->cli) {
+ cli_shutdown(conn->cli);
+ }
- result = cli_samr_connect(conn->cli, conn->cli->mem_ctx,
- des_access, &conn->pol);
- }
+ conn->cli = NULL;
+}
- if (!NT_STATUS_IS_OK(result)) {
- cli_shutdown(conn->cli);
- DLIST_REMOVE(cm_conns, conn);
- SAFE_FREE(conn);
- return NULL;
- }
- }
+void close_conns_after_fork(void)
+{
+ struct winbindd_domain *domain;
+
+ for (domain = domain_list(); domain; domain = domain->next) {
+ if (domain->conn.cli == NULL)
+ continue;
- hnd.pol = conn->pol;
- hnd.cli = conn->cli;
+ if (domain->conn.cli->fd == -1)
+ continue;
- return &hnd;
+ close(domain->conn.cli->fd);
+ domain->conn.cli->fd = -1;
+ }
}
-#if 0 /* This code now *well* out of date */
+static BOOL connection_ok(struct winbindd_domain *domain)
+{
+ if (domain->conn.cli == NULL) {
+ DEBUG(8, ("Connection to %s for domain %s has NULL "
+ "cli!\n", domain->dcname, domain->name));
+ return False;
+ }
-/* Return a SAM domain policy handle on a domain */
+ if (!domain->conn.cli->initialised) {
+ DEBUG(3, ("Connection to %s for domain %s was never "
+ "initialised!\n", domain->dcname, domain->name));
+ return False;
+ }
-CLI_POLICY_HND *cm_get_sam_dom_handle(char *domain, DOM_SID *domain_sid)
+ if (domain->conn.cli->fd == -1) {
+ DEBUG(3, ("Connection to %s for domain %s has died or was "
+ "never started (fd == -1)\n",
+ domain->dcname, domain->name));
+ return False;
+ }
+
+ return True;
+}
+
+/* Initialize a new connection up to the RPC BIND. */
+
+static NTSTATUS init_dc_connection(struct winbindd_domain *domain)
{
- struct winbindd_cm_conn *conn, *basic_conn = NULL;
- static CLI_POLICY_HND hnd;
- NTSTATUS result;
- uint32 des_access = SEC_RIGHTS_MAXIMUM_ALLOWED;
+ if (connection_ok(domain))
+ return NT_STATUS_OK;
- /* Look for existing connections */
+ invalidate_cm_connection(&domain->conn);
- for (conn = cm_conns; conn; conn = conn->next) {
- if (strequal(conn->domain, domain) &&
- strequal(conn->pipe_name, PIPE_SAMR) &&
- conn->pipe_data.samr.pipe_type == SAM_PIPE_DOM) {
+ return cm_open_connection(domain, &domain->conn);
+}
- if (!connection_ok(conn)) {
- /* Shutdown cli? Free conn? Allow retry of DC? */
- DLIST_REMOVE(cm_conns, conn);
- return NULL;
- }
+/******************************************************************************
+ We can 'sense' certain things about the DC by it's replies to certain
+ questions.
- goto ok;
- }
+ This tells us if this particular remote server is Active Directory, and if it
+ is native mode.
+******************************************************************************/
+
+void set_dc_type_and_flags( struct winbindd_domain *domain )
+{
+ NTSTATUS result;
+ DS_DOMINFO_CTR ctr;
+ TALLOC_CTX *mem_ctx = NULL;
+ struct rpc_pipe_client *cli;
+ POLICY_HND pol;
+
+ char *domain_name = NULL;
+ char *dns_name = NULL;
+ DOM_SID *dom_sid = NULL;
+
+ ZERO_STRUCT( ctr );
+
+ domain->native_mode = False;
+ domain->active_directory = False;
+
+ if (domain->internal) {
+ domain->initialized = True;
+ return;
}
- /* Create a basic handle to open a domain handle from */
+ result = init_dc_connection(domain);
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(5, ("set_dc_type_and_flags: Could not open a connection "
+ "to %s: (%s)\n", domain->name, nt_errstr(result)));
+ domain->initialized = True;
+ return;
+ }
- if (!cm_get_sam_handle(domain))
- return False;
+ cli = cli_rpc_pipe_open_noauth(domain->conn.cli, PI_LSARPC_DS,
+ &result);
- for (conn = cm_conns; conn; conn = conn->next) {
- if (strequal(conn->domain, domain) &&
- strequal(conn->pipe_name, PIPE_SAMR) &&
- conn->pipe_data.samr.pipe_type == SAM_PIPE_BASIC)
- basic_conn = conn;
+ if (cli == NULL) {
+ DEBUG(5, ("set_dc_type_and_flags: Could not bind to "
+ "PI_LSARPC_DS on domain %s: (%s)\n",
+ domain->name, nt_errstr(result)));
+ domain->initialized = True;
+ return;
+ }
+
+ result = rpccli_ds_getprimarydominfo(cli, cli->cli->mem_ctx,
+ DsRolePrimaryDomainInfoBasic,
+ &ctr);
+ cli_rpc_pipe_close(cli);
+
+ if (!NT_STATUS_IS_OK(result)) {
+ domain->initialized = True;
+ return;
}
- if (!(conn = (struct winbindd_cm_conn *)
- malloc(sizeof(struct winbindd_cm_conn))))
- return NULL;
-
- ZERO_STRUCTP(conn);
+ if ((ctr.basic->flags & DSROLE_PRIMARY_DS_RUNNING) &&
+ !(ctr.basic->flags & DSROLE_PRIMARY_DS_MIXED_MODE) )
+ domain->native_mode = True;
- fstrcpy(conn->domain, basic_conn->domain);
- fstrcpy(conn->controller, basic_conn->controller);
- fstrcpy(conn->pipe_name, basic_conn->pipe_name);
+ cli = cli_rpc_pipe_open_noauth(domain->conn.cli, PI_LSARPC, &result);
- conn->pipe_data.samr.pipe_type = SAM_PIPE_DOM;
- conn->cli = basic_conn->cli;
+ if (cli == NULL) {
+ domain->initialized = True;
+ return;
+ }
- result = cli_samr_open_domain(conn->cli, conn->cli->mem_ctx,
- &basic_conn->pol, des_access,
- domain_sid, &conn->pol);
+ mem_ctx = talloc_init("set_dc_type_and_flags on domain %s\n",
+ domain->name);
+ if (!mem_ctx) {
+ DEBUG(1, ("set_dc_type_and_flags: talloc_init() failed\n"));
+ cli_rpc_pipe_close(cli);
+ return;
+ }
- if (!NT_STATUS_IS_OK(result))
- return NULL;
+ result = rpccli_lsa_open_policy2(cli, mem_ctx, True,
+ SEC_RIGHTS_MAXIMUM_ALLOWED, &pol);
+
+ if (NT_STATUS_IS_OK(result)) {
+ /* This particular query is exactly what Win2k clients use
+ to determine that the DC is active directory */
+ result = rpccli_lsa_query_info_policy2(cli, mem_ctx, &pol,
+ 12, &domain_name,
+ &dns_name, NULL,
+ NULL, &dom_sid);
+ }
- /* Add to list */
+ if (NT_STATUS_IS_OK(result)) {
+ if (domain_name)
+ fstrcpy(domain->name, domain_name);
- DLIST_ADD(cm_conns, conn);
+ if (dns_name)
+ fstrcpy(domain->alt_name, dns_name);
- ok:
- hnd.pol = conn->pol;
- hnd.cli = conn->cli;
+ if (dom_sid)
+ sid_copy(&domain->sid, dom_sid);
+
+ domain->active_directory = True;
+ } else {
+
+ result = rpccli_lsa_open_policy(cli, mem_ctx, True,
+ SEC_RIGHTS_MAXIMUM_ALLOWED,
+ &pol);
+
+ if (!NT_STATUS_IS_OK(result))
+ goto done;
+
+ result = rpccli_lsa_query_info_policy(cli, mem_ctx,
+ &pol, 5, &domain_name,
+ &dom_sid);
+
+ if (NT_STATUS_IS_OK(result)) {
+ if (domain_name)
+ fstrcpy(domain->name, domain_name);
- return &hnd;
+ if (dom_sid)
+ sid_copy(&domain->sid, dom_sid);
+ }
+ }
+done:
+
+ cli_rpc_pipe_close(cli);
+
+ talloc_destroy(mem_ctx);
+
+ domain->initialized = True;
+
+ return;
}
-/* Return a SAM policy handle on a domain user */
+static BOOL cm_get_schannel_dcinfo(struct winbindd_domain *domain,
+ struct dcinfo **ppdc)
+{
+ NTSTATUS result;
+ struct rpc_pipe_client *netlogon_pipe;
+
+ if (lp_client_schannel() == False) {
+ return False;
+ }
-CLI_POLICY_HND *cm_get_sam_user_handle(char *domain, DOM_SID *domain_sid,
- uint32 user_rid)
+ result = cm_connect_netlogon(domain, &netlogon_pipe);
+ if (!NT_STATUS_IS_OK(result)) {
+ return False;
+ }
+
+ /* Return a pointer to the struct dcinfo from the
+ netlogon pipe. */
+
+ *ppdc = domain->conn.netlogon_pipe->dc;
+ return True;
+}
+
+NTSTATUS cm_connect_sam(struct winbindd_domain *domain, TALLOC_CTX *mem_ctx,
+ struct rpc_pipe_client **cli, POLICY_HND *sam_handle)
{
- struct winbindd_cm_conn *conn, *basic_conn = NULL;
- static CLI_POLICY_HND hnd;
+ struct winbindd_cm_conn *conn;
NTSTATUS result;
- uint32 des_access = SEC_RIGHTS_MAXIMUM_ALLOWED;
+ fstring conn_pwd;
+ struct dcinfo *p_dcinfo;
+
+ result = init_dc_connection(domain);
+ if (!NT_STATUS_IS_OK(result)) {
+ return result;
+ }
- /* Look for existing connections */
+ conn = &domain->conn;
- for (conn = cm_conns; conn; conn = conn->next) {
- if (strequal(conn->domain, domain) &&
- strequal(conn->pipe_name, PIPE_SAMR) &&
- conn->pipe_data.samr.pipe_type == SAM_PIPE_USER &&
- conn->pipe_data.samr.rid == user_rid) {
+ if (conn->samr_pipe != NULL) {
+ goto done;
+ }
- if (!connection_ok(conn)) {
- /* Shutdown cli? Free conn? Allow retry of DC? */
- DLIST_REMOVE(cm_conns, conn);
- return NULL;
- }
-
- goto ok;
- }
+ /*
+ * No SAMR pipe yet. Attempt to get an NTLMSSP SPNEGO authenticated
+ * sign and sealed pipe using the machine account password by
+ * preference. If we can't - try schannel, if that fails, try
+ * anonymous.
+ */
+
+ pwd_get_cleartext(&conn->cli->pwd, conn_pwd);
+ if ((conn->cli->user_name[0] == '\0') ||
+ (conn->cli->domain[0] == '\0') ||
+ (conn_pwd[0] == '\0')) {
+ DEBUG(10, ("cm_connect_sam: No no user available for "
+ "domain %s, trying schannel\n", conn->cli->domain));
+ goto schannel;
}
- /* Create a domain handle to open a user handle from */
+ /* We have an authenticated connection. Use a NTLMSSP SPNEGO
+ authenticated SAMR pipe with sign & seal. */
+ conn->samr_pipe =
+ cli_rpc_pipe_open_spnego_ntlmssp(conn->cli, PI_SAMR,
+ PIPE_AUTH_LEVEL_PRIVACY,
+ conn->cli->domain,
+ conn->cli->user_name,
+ conn_pwd, &result);
+
+ if (conn->samr_pipe == NULL) {
+ DEBUG(10,("cm_connect_sam: failed to connect to SAMR "
+ "pipe for domain %s using NTLMSSP "
+ "authenticated pipe: user %s\\%s. Error was "
+ "%s\n", domain->name, conn->cli->domain,
+ conn->cli->user_name, nt_errstr(result)));
+ goto schannel;
+ }
- if (!cm_get_sam_dom_handle(domain, domain_sid))
- return NULL;
+ DEBUG(10,("cm_connect_sam: connected to SAMR pipe for "
+ "domain %s using NTLMSSP authenticated "
+ "pipe: user %s\\%s\n", domain->name,
+ conn->cli->domain, conn->cli->user_name ));
- for (conn = cm_conns; conn; conn = conn->next) {
- if (strequal(conn->domain, domain) &&
- strequal(conn->pipe_name, PIPE_SAMR) &&
- conn->pipe_data.samr.pipe_type == SAM_PIPE_DOM)
- basic_conn = conn;
+ result = rpccli_samr_connect(conn->samr_pipe, mem_ctx,
+ SEC_RIGHTS_MAXIMUM_ALLOWED,
+ &conn->sam_connect_handle);
+ if (NT_STATUS_IS_OK(result)) {
+ goto open_domain;
}
-
- if (!basic_conn) {
- DEBUG(0, ("No domain sam handle was created!\n"));
- return NULL;
+ DEBUG(10,("cm_connect_sam: ntlmssp-sealed rpccli_samr_connect "
+ "failed for domain %s, error was %s. Trying schannel\n",
+ domain->name, nt_errstr(result) ));
+ cli_rpc_pipe_close(conn->samr_pipe);
+
+ schannel:
+
+ /* Fall back to schannel if it's a W2K pre-SP1 box. */
+
+ if (!cm_get_schannel_dcinfo(domain, &p_dcinfo)) {
+ DEBUG(10, ("cm_connect_sam: Could not get schannel auth info "
+ "for domain %s, trying anon\n", conn->cli->domain));
+ goto anonymous;
+ }
+ conn->samr_pipe = cli_rpc_pipe_open_schannel_with_key
+ (conn->cli, PI_SAMR, PIPE_AUTH_LEVEL_PRIVACY,
+ domain->name, p_dcinfo, &result);
+
+ if (conn->samr_pipe == NULL) {
+ DEBUG(10,("cm_connect_sam: failed to connect to SAMR pipe for "
+ "domain %s using schannel. Error was %s\n",
+ domain->name, nt_errstr(result) ));
+ goto anonymous;
}
+ DEBUG(10,("cm_connect_sam: connected to SAMR pipe for domain %s using "
+ "schannel.\n", domain->name ));
+
+ result = rpccli_samr_connect(conn->samr_pipe, mem_ctx,
+ SEC_RIGHTS_MAXIMUM_ALLOWED,
+ &conn->sam_connect_handle);
+ if (NT_STATUS_IS_OK(result)) {
+ goto open_domain;
+ }
+ DEBUG(10,("cm_connect_sam: schannel-sealed rpccli_samr_connect failed "
+ "for domain %s, error was %s. Trying anonymous\n",
+ domain->name, nt_errstr(result) ));
+ cli_rpc_pipe_close(conn->samr_pipe);
- if (!(conn = (struct winbindd_cm_conn *)
- malloc(sizeof(struct winbindd_cm_conn))))
- return NULL;
-
- ZERO_STRUCTP(conn);
+ anonymous:
- fstrcpy(conn->domain, basic_conn->domain);
- fstrcpy(conn->controller, basic_conn->controller);
- fstrcpy(conn->pipe_name, basic_conn->pipe_name);
-
- conn->pipe_data.samr.pipe_type = SAM_PIPE_USER;
- conn->cli = basic_conn->cli;
- conn->pipe_data.samr.rid = user_rid;
+ /* Finally fall back to anonymous. */
+ conn->samr_pipe = cli_rpc_pipe_open_noauth(conn->cli, PI_SAMR,
+ &result);
- result = cli_samr_open_user(conn->cli, conn->cli->mem_ctx,
- &basic_conn->pol, des_access, user_rid,
- &conn->pol);
+ if (conn->samr_pipe == NULL) {
+ result = NT_STATUS_PIPE_NOT_AVAILABLE;
+ goto done;
+ }
- if (!NT_STATUS_IS_OK(result))
- return NULL;
+ result = rpccli_samr_connect(conn->samr_pipe, mem_ctx,
+ SEC_RIGHTS_MAXIMUM_ALLOWED,
+ &conn->sam_connect_handle);
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(10,("cm_connect_sam: rpccli_samr_connect failed "
+ "for domain %s Error was %s\n",
+ domain->name, nt_errstr(result) ));
+ goto done;
+ }
- /* Add to list */
+ open_domain:
+ result = rpccli_samr_open_domain(conn->samr_pipe,
+ mem_ctx,
+ &conn->sam_connect_handle,
+ SEC_RIGHTS_MAXIMUM_ALLOWED,
+ &domain->sid,
+ &conn->sam_domain_handle);
- DLIST_ADD(cm_conns, conn);
+ done:
- ok:
- hnd.pol = conn->pol;
- hnd.cli = conn->cli;
+ if (!NT_STATUS_IS_OK(result)) {
+ invalidate_cm_connection(conn);
+ return result;
+ }
- return &hnd;
+ *cli = conn->samr_pipe;
+ *sam_handle = conn->sam_domain_handle;
+ return result;
}
-/* Return a SAM policy handle on a domain group */
-
-CLI_POLICY_HND *cm_get_sam_group_handle(char *domain, DOM_SID *domain_sid,
- uint32 group_rid)
+NTSTATUS cm_connect_lsa(struct winbindd_domain *domain, TALLOC_CTX *mem_ctx,
+ struct rpc_pipe_client **cli, POLICY_HND *lsa_policy)
{
- struct winbindd_cm_conn *conn, *basic_conn = NULL;
- static CLI_POLICY_HND hnd;
+ struct winbindd_cm_conn *conn;
NTSTATUS result;
- uint32 des_access = SEC_RIGHTS_MAXIMUM_ALLOWED;
+ fstring conn_pwd;
+ struct dcinfo *p_dcinfo;
- /* Look for existing connections */
+ result = init_dc_connection(domain);
+ if (!NT_STATUS_IS_OK(result))
+ return result;
- for (conn = cm_conns; conn; conn = conn->next) {
- if (strequal(conn->domain, domain) &&
- strequal(conn->pipe_name, PIPE_SAMR) &&
- conn->pipe_data.samr.pipe_type == SAM_PIPE_GROUP &&
- conn->pipe_data.samr.rid == group_rid) {
+ conn = &domain->conn;
- if (!connection_ok(conn)) {
- /* Shutdown cli? Free conn? Allow retry of DC? */
- DLIST_REMOVE(cm_conns, conn);
- return NULL;
- }
-
- goto ok;
- }
+ if (conn->lsa_pipe != NULL) {
+ goto done;
}
- /* Create a domain handle to open a user handle from */
-
- if (!cm_get_sam_dom_handle(domain, domain_sid))
- return NULL;
+ pwd_get_cleartext(&conn->cli->pwd, conn_pwd);
+ if ((conn->cli->user_name[0] == '\0') ||
+ (conn->cli->domain[0] == '\0') ||
+ (conn_pwd[0] == '\0')) {
+ DEBUG(10, ("cm_connect_lsa: No no user available for "
+ "domain %s, trying schannel\n", conn->cli->domain));
+ goto schannel;
+ }
- for (conn = cm_conns; conn; conn = conn->next) {
- if (strequal(conn->domain, domain) &&
- strequal(conn->pipe_name, PIPE_SAMR) &&
- conn->pipe_data.samr.pipe_type == SAM_PIPE_DOM)
- basic_conn = conn;
+ /* We have an authenticated connection. Use a NTLMSSP SPNEGO
+ * authenticated LSA pipe with sign & seal. */
+ conn->lsa_pipe = cli_rpc_pipe_open_spnego_ntlmssp
+ (conn->cli, PI_LSARPC, PIPE_AUTH_LEVEL_PRIVACY,
+ conn->cli->domain, conn->cli->user_name, conn_pwd, &result);
+
+ if (conn->lsa_pipe == NULL) {
+ DEBUG(10,("cm_connect_lsa: failed to connect to LSA pipe for "
+ "domain %s using NTLMSSP authenticated pipe: user "
+ "%s\\%s. Error was %s. Trying schannel.\n",
+ domain->name, conn->cli->domain,
+ conn->cli->user_name, nt_errstr(result)));
+ goto schannel;
}
-
- if (!basic_conn) {
- DEBUG(0, ("No domain sam handle was created!\n"));
- return NULL;
+
+ DEBUG(10,("cm_connect_lsa: connected to LSA pipe for domain %s using "
+ "NTLMSSP authenticated pipe: user %s\\%s\n",
+ domain->name, conn->cli->domain, conn->cli->user_name ));
+
+ result = rpccli_lsa_open_policy(conn->lsa_pipe, mem_ctx, True,
+ SEC_RIGHTS_MAXIMUM_ALLOWED,
+ &conn->lsa_policy);
+ if (NT_STATUS_IS_OK(result)) {
+ goto done;
}
- if (!(conn = (struct winbindd_cm_conn *)
- malloc(sizeof(struct winbindd_cm_conn))))
- return NULL;
-
- ZERO_STRUCTP(conn);
+ DEBUG(10,("cm_connect_lsa: rpccli_lsa_open_policy failed, trying "
+ "schannel\n"));
- fstrcpy(conn->domain, basic_conn->domain);
- fstrcpy(conn->controller, basic_conn->controller);
- fstrcpy(conn->pipe_name, basic_conn->pipe_name);
-
- conn->pipe_data.samr.pipe_type = SAM_PIPE_GROUP;
- conn->cli = basic_conn->cli;
- conn->pipe_data.samr.rid = group_rid;
+ cli_rpc_pipe_close(conn->lsa_pipe);
- result = cli_samr_open_group(conn->cli, conn->cli->mem_ctx,
- &basic_conn->pol, des_access, group_rid,
- &conn->pol);
+ schannel:
- if (!NT_STATUS_IS_OK(result))
- return NULL;
+ /* Fall back to schannel if it's a W2K pre-SP1 box. */
- /* Add to list */
+ if (!cm_get_schannel_dcinfo(domain, &p_dcinfo)) {
+ DEBUG(10, ("cm_connect_lsa: Could not get schannel auth info "
+ "for domain %s, trying anon\n", conn->cli->domain));
+ goto anonymous;
+ }
+ conn->lsa_pipe = cli_rpc_pipe_open_schannel_with_key
+ (conn->cli, PI_LSARPC, PIPE_AUTH_LEVEL_PRIVACY,
+ domain->name, p_dcinfo, &result);
+
+ if (conn->lsa_pipe == NULL) {
+ DEBUG(10,("cm_connect_lsa: failed to connect to LSA pipe for "
+ "domain %s using schannel. Error was %s\n",
+ domain->name, nt_errstr(result) ));
+ goto anonymous;
+ }
+ DEBUG(10,("cm_connect_lsa: connected to LSA pipe for domain %s using "
+ "schannel.\n", domain->name ));
+
+ result = rpccli_lsa_open_policy(conn->lsa_pipe, mem_ctx, True,
+ SEC_RIGHTS_MAXIMUM_ALLOWED,
+ &conn->lsa_policy);
+ if (NT_STATUS_IS_OK(result)) {
+ goto done;
+ }
- DLIST_ADD(cm_conns, conn);
+ DEBUG(10,("cm_connect_lsa: rpccli_lsa_open_policy failed, trying "
+ "anonymous\n"));
- ok:
- hnd.pol = conn->pol;
- hnd.cli = conn->cli;
+ cli_rpc_pipe_close(conn->lsa_pipe);
- return &hnd;
-}
+ anonymous:
-#endif
+ conn->lsa_pipe = cli_rpc_pipe_open_noauth(conn->cli, PI_LSARPC,
+ &result);
+ if (conn->lsa_pipe == NULL) {
+ result = NT_STATUS_PIPE_NOT_AVAILABLE;
+ goto done;
+ }
-/* Get a handle on a netlogon pipe. This is a bit of a hack to re-use the
- netlogon pipe as no handle is returned. */
+ result = rpccli_lsa_open_policy(conn->lsa_pipe, mem_ctx, True,
+ SEC_RIGHTS_MAXIMUM_ALLOWED,
+ &conn->lsa_policy);
+ done:
+ if (!NT_STATUS_IS_OK(result)) {
+ invalidate_cm_connection(conn);
+ return NT_STATUS_UNSUCCESSFUL;
+ }
-NTSTATUS cm_get_netlogon_cli(const char *domain,
- const unsigned char *trust_passwd,
- uint32 sec_channel_type,
- struct cli_state **cli)
+ *cli = conn->lsa_pipe;
+ *lsa_policy = conn->lsa_policy;
+ return result;
+}
+
+/****************************************************************************
+ Open the netlogon pipe to this DC. Use schannel if specified in client conf.
+ session key stored in conn->netlogon_pipe->dc->sess_key.
+****************************************************************************/
+
+NTSTATUS cm_connect_netlogon(struct winbindd_domain *domain,
+ struct rpc_pipe_client **cli)
{
- NTSTATUS result = NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
struct winbindd_cm_conn *conn;
- uint32 neg_flags = 0x000001ff;
- fstring lock_name;
- BOOL got_mutex;
+ NTSTATUS result;
- if (!cli)
- return NT_STATUS_INVALID_PARAMETER;
+ uint32 neg_flags = NETLOGON_NEG_AUTH2_FLAGS;
+ uint8 mach_pwd[16];
+ uint32 sec_chan_type;
+ const char *account_name;
+ struct rpc_pipe_client *netlogon_pipe = NULL;
- /* Open an initial conection - keep the mutex. */
+ *cli = NULL;
- if (!NT_STATUS_IS_OK(result = get_connection_from_cache(domain, PIPE_NETLOGON, &conn)))
+ result = init_dc_connection(domain);
+ if (!NT_STATUS_IS_OK(result)) {
return result;
-
- snprintf(lock_name, sizeof(lock_name), "NETLOGON\\%s", conn->controller);
+ }
- if (!(got_mutex = secrets_named_mutex(lock_name, WINBIND_SERVER_MUTEX_WAIT_TIME))) {
- DEBUG(0,("cm_get_netlogon_cli: mutex grab failed for %s\n", conn->controller));
+ conn = &domain->conn;
+
+ if (conn->netlogon_pipe != NULL) {
+ *cli = conn->netlogon_pipe;
+ return NT_STATUS_OK;
}
-
- result = cli_nt_setup_creds(conn->cli, sec_channel_type, trust_passwd, &neg_flags, 2);
-
- if (got_mutex)
- secrets_named_mutex_release(lock_name);
-
- if (!NT_STATUS_IS_OK(result)) {
- DEBUG(0, ("error connecting to domain password server: %s\n",
- nt_errstr(result)));
-
- /* Hit the cache code again. This cleans out the old connection and gets a new one */
- if (conn->cli->fd == -1) {
- if (!NT_STATUS_IS_OK(result = get_connection_from_cache(domain, PIPE_NETLOGON, &conn)))
- return result;
-
- snprintf(lock_name, sizeof(lock_name), "NETLOGON\\%s", conn->controller);
- if (!(got_mutex = secrets_named_mutex(lock_name, WINBIND_SERVER_MUTEX_WAIT_TIME))) {
- DEBUG(0,("cm_get_netlogon_cli: mutex grab failed for %s\n", conn->controller));
- }
-
- /* Try again */
- result = cli_nt_setup_creds( conn->cli, sec_channel_type,trust_passwd, &neg_flags, 2);
-
- if (got_mutex)
- secrets_named_mutex_release(lock_name);
- }
-
- if (!NT_STATUS_IS_OK(result)) {
- cli_shutdown(conn->cli);
- DLIST_REMOVE(cm_conns, conn);
- SAFE_FREE(conn);
- return result;
- }
+
+ if (!get_trust_pw(domain->name, mach_pwd, &sec_chan_type)) {
+ return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
}
- *cli = conn->cli;
+ netlogon_pipe = cli_rpc_pipe_open_noauth(conn->cli, PI_NETLOGON,
+ &result);
+ if (netlogon_pipe == NULL) {
+ return result;
+ }
- return result;
-}
+ if (lp_client_schannel() != False) {
+ neg_flags |= NETLOGON_NEG_SCHANNEL;
+ }
-/* Dump the current connection status */
+ /* if we are a DC and this is a trusted domain, then we need to use our
+ domain name in the net_req_auth2() request */
-static void dump_conn_list(void)
-{
- struct winbindd_cm_conn *con;
+ if ( IS_DC
+ && !strequal(domain->name, lp_workgroup())
+ && lp_allow_trusted_domains() )
+ {
+ account_name = lp_workgroup();
+ } else {
+ account_name = domain->primary ?
+ global_myname() : domain->name;
+ }
- DEBUG(0, ("\tDomain Controller Pipe\n"));
+ if (account_name == NULL) {
+ cli_rpc_pipe_close(netlogon_pipe);
+ return NT_STATUS_NO_MEMORY;
+ }
- for(con = cm_conns; con; con = con->next) {
- char *msg;
+ result = rpccli_netlogon_setup_creds(
+ netlogon_pipe,
+ domain->dcname, /* server name. */
+ domain->name, /* domain name */
+ global_myname(), /* client name */
+ account_name, /* machine account */
+ mach_pwd, /* machine password */
+ sec_chan_type, /* from get_trust_pw */
+ &neg_flags);
- /* Display pipe info */
-
- if (asprintf(&msg, "\t%-15s %-15s %-16s", con->domain, con->controller, con->pipe_name) < 0) {
- DEBUG(0, ("Error: not enough memory!\n"));
- } else {
- DEBUG(0, ("%s\n", msg));
- SAFE_FREE(msg);
- }
+ if (!NT_STATUS_IS_OK(result)) {
+ cli_rpc_pipe_close(netlogon_pipe);
+ return result;
}
-}
-void winbindd_cm_status(void)
-{
- /* List open connections */
+ if ((lp_client_schannel() == True) &&
+ ((neg_flags & NETLOGON_NEG_SCHANNEL) == 0)) {
+ DEBUG(3, ("Server did not offer schannel\n"));
+ cli_rpc_pipe_close(netlogon_pipe);
+ return NT_STATUS_ACCESS_DENIED;
+ }
- DEBUG(0, ("winbindd connection manager status:\n"));
+ if ((lp_client_schannel() == False) ||
+ ((neg_flags & NETLOGON_NEG_SCHANNEL) == 0)) {
+ /* We're done - just keep the existing connection to NETLOGON
+ * open */
+ conn->netlogon_pipe = netlogon_pipe;
+ *cli = conn->netlogon_pipe;
+ return NT_STATUS_OK;
+ }
- if (cm_conns)
- dump_conn_list();
- else
- DEBUG(0, ("\tNo active connections\n"));
+ /* Using the credentials from the first pipe, open a signed and sealed
+ second netlogon pipe. The session key is stored in the schannel
+ part of the new pipe auth struct.
+ */
+
+ conn->netlogon_pipe =
+ cli_rpc_pipe_open_schannel_with_key(conn->cli,
+ PI_NETLOGON,
+ PIPE_AUTH_LEVEL_PRIVACY,
+ domain->name,
+ netlogon_pipe->dc,
+ &result);
+
+ /* We can now close the initial netlogon pipe. */
+ cli_rpc_pipe_close(netlogon_pipe);
+
+ if (conn->netlogon_pipe == NULL) {
+ DEBUG(3, ("Could not open schannel'ed NETLOGON pipe. Error "
+ "was %s\n", nt_errstr(result)));
+
+ /* make sure we return something besides OK */
+ return !NT_STATUS_IS_OK(result) ? result : NT_STATUS_PIPE_NOT_AVAILABLE;
+ }
+
+ *cli = conn->netlogon_pipe;
+ return NT_STATUS_OK;
}
git.samba.org / tprouty / samba.git / blobdiff