enum winbindd_result winbindd_domain_info(struct winbindd_cli_state *state)
{
struct winbindd_domain *domain;
DEBUG(3, ("[%5lu]: domain_info [%s]\n", (unsigned long)state->pid,
state->request.domain_name));
domain = find_domain_from_name(state->request.domain_name);
if (domain == NULL) {
DEBUG(3, ("Did not find domain [%s]\n",
state->request.domain_name));
return WINBINDD_ERROR;
}
fstrcpy(state->response.data.domain_info.name, domain->name);
fstrcpy(state->response.data.domain_info.alt_name, domain->alt_name);
fstrcpy(state->response.data.domain_info.sid,
sid_string_static(&domain->sid));
state->response.data.domain_info.native_mode = domain->native_mode;
state->response.data.domain_info.active_directory = domain->active_directory;
state->response.data.domain_info.primary = domain->primary;
state->response.data.domain_info.sequence_number =
domain->sequence_number;
return WINBINDD_OK;
}
/**
* Look up the SID for a qualified name.
**/
enum winbindd_result winbindd_lookupname(struct winbindd_cli_state *state)
{
enum SID_NAME_USE type;
fstring sid_str;
char *name_domain, *name_user;
DOM_SID sid;
struct winbindd_domain *domain;
char *p;
/* Ensure null termination */
state->request.data.sid[sizeof(state->request.data.name.dom_name)-1]='\0';
/* Ensure null termination */
state->request.data.sid[sizeof(state->request.data.name.name)-1]='\0';
/* cope with the name being a fully qualified name */
p = strstr(state->request.data.name.name, lp_winbind_separator());
if (p) {
*p = 0;
name_domain = state->request.data.name.name;
name_user = p+1;
} else {
name_domain = state->request.data.name.dom_name;
name_user = state->request.data.name.name;
}
DEBUG(3, ("[%5lu]: lookupname %s%s%s\n", (unsigned long)state->pid,
name_domain, lp_winbind_separator(), name_user));
if ((domain = find_domain_from_name(name_domain)) == NULL) {
DEBUG(0, ("could not find domain entry for domain %s\n",
name_domain));
return WINBINDD_ERROR;
}
/* Lookup name from PDC using lsa_lookup_names() */
if (!winbindd_lookup_sid_by_name(domain, name_user, &sid, &type)) {
return WINBINDD_ERROR;
}
sid_to_string(sid_str, &sid);
fstrcpy(state->response.data.sid.sid, sid_str);
state->response.data.sid.type = type;
return WINBINDD_OK;
}
enum winbindd_result winbindd_pam_chauthtok(struct winbindd_cli_state *state)
{
NTSTATUS result;
char *oldpass, *newpass;
fstring domain, user;
CLI_POLICY_HND *hnd;
TALLOC_CTX *mem_ctx;
struct winbindd_domain *contact_domain;
DEBUG(3, ("[%5lu]: pam chauthtok %s\n", (unsigned long)state->pid,
state->request.data.chauthtok.user));
if (!(mem_ctx = talloc_init("winbind password change for (utf8) %s",
state->request.data.chauthtok.user))) {
DEBUG(0, ("winbindd_pam_auth_crap: could not talloc_init()!\n"));
result = NT_STATUS_NO_MEMORY;
goto done;
}
/* Setup crap */
if (state == NULL)
return WINBINDD_ERROR;
parse_domain_user(state->request.data.chauthtok.user, domain, user);
if (!(contact_domain = find_domain_from_name(domain))) {
DEBUG(3, ("Cannot change password for [%s] -> [%s]\\[%s] as %s is not a trusted domain\n",
state->request.data.chauthtok.user, domain, user, domain));
result = NT_STATUS_NO_SUCH_USER;
goto done;
}
/* Change password */
oldpass = state->request.data.chauthtok.oldpass;
newpass = state->request.data.chauthtok.newpass;
/* Get sam handle */
if (!NT_STATUS_IS_OK(result = cm_get_sam_handle(contact_domain, &hnd)) ) {
DEBUG(1, ("could not get SAM handle on DC for %s\n", domain));
goto done;
}
result = cli_samr_chgpasswd_user(hnd->cli, mem_ctx, user, newpass, oldpass);
done:
state->response.data.auth.nt_status = NT_STATUS_V(result);
fstrcpy(state->response.data.auth.nt_status_string, nt_errstr(result));
fstrcpy(state->response.data.auth.error_string, nt_errstr(result));
state->response.data.auth.pam_error = nt_status_to_pam(result);
DEBUG(NT_STATUS_IS_OK(result) ? 5 : 2,
("Password change for user [%s]\\[%s] returned %s (PAM: %d)\n",
domain,
user,
state->response.data.auth.nt_status_string,
state->response.data.auth.pam_error));
if (mem_ctx)
talloc_destroy(mem_ctx);
return NT_STATUS_IS_OK(result) ? WINBINDD_OK : WINBINDD_ERROR;
}
enum winbindd_result winbindd_pam_auth_crap(struct winbindd_cli_state *state)
{
NTSTATUS result;
unsigned char trust_passwd[16];
time_t last_change_time;
uint32 sec_channel_type;
NET_USER_INFO_3 info3;
struct cli_state *cli = NULL;
TALLOC_CTX *mem_ctx = NULL;
char *name_user = NULL;
const char *name_domain = NULL;
const char *workstation;
struct winbindd_domain *contact_domain;
DOM_CRED ret_creds;
int attempts = 0;
BOOL retry;
DATA_BLOB lm_resp, nt_resp;
if (!state->privileged) {
char *error_string = NULL;
DEBUG(2, ("winbindd_pam_auth_crap: non-privileged access denied. !\n"));
DEBUGADD(2, ("winbindd_pam_auth_crap: Ensure permissions on %s are set correctly.\n",
get_winbind_priv_pipe_dir()));
/* send a better message than ACCESS_DENIED */
asprintf(&error_string, "winbind client not authorized to use winbindd_pam_auth_crap. Ensure permissions on %s are set correctly.",
get_winbind_priv_pipe_dir());
push_utf8_fstring(state->response.data.auth.error_string, error_string);
SAFE_FREE(error_string);
result = NT_STATUS_ACCESS_DENIED;
goto done;
}
/* Ensure null termination */
state->request.data.auth_crap.user[sizeof(state->request.data.auth_crap.user)-1]=0;
state->request.data.auth_crap.domain[sizeof(state->request.data.auth_crap.domain)-1]=0;
if (!(mem_ctx = talloc_init("winbind pam auth crap for (utf8) %s", state->request.data.auth_crap.user))) {
DEBUG(0, ("winbindd_pam_auth_crap: could not talloc_init()!\n"));
result = NT_STATUS_NO_MEMORY;
goto done;
}
if (pull_utf8_talloc(mem_ctx, &name_user, state->request.data.auth_crap.user) == (size_t)-1) {
DEBUG(0, ("winbindd_pam_auth_crap: pull_utf8_talloc failed!\n"));
result = NT_STATUS_UNSUCCESSFUL;
goto done;
}
if (*state->request.data.auth_crap.domain) {
char *dom = NULL;
if (pull_utf8_talloc(mem_ctx, &dom, state->request.data.auth_crap.domain) == (size_t)-1) {
DEBUG(0, ("winbindd_pam_auth_crap: pull_utf8_talloc failed!\n"));
result = NT_STATUS_UNSUCCESSFUL;
goto done;
}
name_domain = dom;
} else if (lp_winbind_use_default_domain()) {
name_domain = lp_workgroup();
} else {
DEBUG(5,("no domain specified with username (%s) - failing auth\n",
name_user));
result = NT_STATUS_NO_SUCH_USER;
goto done;
}
DEBUG(3, ("[%5lu]: pam auth crap domain: %s user: %s\n", (unsigned long)state->pid,
name_domain, name_user));
if (*state->request.data.auth_crap.workstation) {
char *wrk = NULL;
if (pull_utf8_talloc(mem_ctx, &wrk, state->request.data.auth_crap.workstation) == (size_t)-1) {
DEBUG(0, ("winbindd_pam_auth_crap: pull_utf8_talloc failed!\n"));
result = NT_STATUS_UNSUCCESSFUL;
goto done;
}
workstation = wrk;
} else {
workstation = global_myname();
}
if (state->request.data.auth_crap.lm_resp_len > sizeof(state->request.data.auth_crap.lm_resp)
|| state->request.data.auth_crap.nt_resp_len > sizeof(state->request.data.auth_crap.nt_resp)) {
DEBUG(0, ("winbindd_pam_auth_crap: invalid password length %u/%u\n",
state->request.data.auth_crap.lm_resp_len,
state->request.data.auth_crap.nt_resp_len));
result = NT_STATUS_INVALID_PARAMETER;
goto done;
}
lm_resp = data_blob_talloc(mem_ctx, state->request.data.auth_crap.lm_resp, state->request.data.auth_crap.lm_resp_len);
nt_resp = data_blob_talloc(mem_ctx, state->request.data.auth_crap.nt_resp, state->request.data.auth_crap.nt_resp_len);
/* what domain should we contact? */
if ( IS_DC ) {
if (!(contact_domain = find_domain_from_name(name_domain))) {
DEBUG(3, ("Authentication for domain for [%s] -> [%s]\\[%s] failed as %s is not a trusted domain\n",
state->request.data.auth_crap.user, name_domain, name_user, name_domain));
result = NT_STATUS_NO_SUCH_USER;
goto done;
}
} else {
if (is_myname(name_domain)) {
DEBUG(3, ("Authentication for domain %s (local domain to this server) not supported at this stage\n", name_domain));
result = NT_STATUS_NO_SUCH_USER;
goto done;
}
if (!(contact_domain = find_our_domain())) {
DEBUG(1, ("Authenticatoin for [%s] -> [%s]\\[%s] in our domain failed - we can't find our domain!\n",
state->request.data.auth_crap.user, name_domain, name_user));
result = NT_STATUS_NO_SUCH_USER;
goto done;
}
}
if ( !get_trust_pw(contact_domain->name, trust_passwd, &last_change_time, &sec_channel_type) ) {
result = NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
goto done;
}
do {
ZERO_STRUCT(info3);
ZERO_STRUCT(ret_creds);
retry = False;
/* Don't shut this down - it belongs to the connection cache code */
result = cm_get_netlogon_cli(contact_domain, trust_passwd, sec_channel_type, False, &cli);
if (!NT_STATUS_IS_OK(result)) {
DEBUG(3, ("could not open handle to NETLOGON pipe (error: %s)\n",
nt_errstr(result)));
goto done;
}
result = cli_netlogon_sam_network_logon(cli, mem_ctx,
&ret_creds,
name_user, name_domain,
workstation,
state->request.data.auth_crap.chal,
lm_resp, nt_resp,
&info3);
attempts += 1;
/* We have to try a second time as cm_get_netlogon_cli
might not yet have noticed that the DC has killed
our connection. */
if ( cli->fd == -1 ) {
retry = True;
continue;
}
/* if we get access denied, a possible cause was that we had and open
connection to the DC, but someone changed our machine account password
out from underneath us using 'net rpc changetrustpw' */
if ( NT_STATUS_V(result) == NT_STATUS_V(NT_STATUS_ACCESS_DENIED) ) {
DEBUG(3,("winbindd_pam_auth_crap: sam_logon returned ACCESS_DENIED. Maybe the trust account "
"password was changed and we didn't know it. Killing connections to domain %s\n",
contact_domain->name));
winbindd_cm_flush();
retry = True;
cli = NULL;
}
} while ( (attempts < 2) && retry );
if (cli != NULL) {
/* We might have come out of the loop above with cli == NULL,
so don't dereference that. */
clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred), &ret_creds);
}
if (NT_STATUS_IS_OK(result)) {
netsamlogon_cache_store( cli->mem_ctx, &info3 );
wcache_invalidate_samlogon(find_domain_from_name(name_domain), &info3);
if (!NT_STATUS_IS_OK(result = check_info3_in_group(mem_ctx, &info3, state->request.data.auth_crap.required_membership_sid))) {
DEBUG(3, ("User %s is not in the required group (%s), so plaintext authentication is rejected\n",
state->request.data.auth_crap.user,
state->request.data.auth_crap.required_membership_sid));
goto done;
}
if (state->request.flags & WBFLAG_PAM_INFO3_NDR) {
result = append_info3_as_ndr(mem_ctx, state, &info3);
} else if (state->request.flags & WBFLAG_PAM_UNIX_NAME) {
/* ntlm_auth should return the unix username, per
'winbind use default domain' settings and the like */
fstring username_out;
const char *nt_username, *nt_domain;
if (!(nt_username = unistr2_tdup(mem_ctx, &(info3.uni_user_name)))) {
/* If the server didn't give us one, just use the one we sent them */
nt_username = name_user;
}
if (!(nt_domain = unistr2_tdup(mem_ctx, &(info3.uni_logon_dom)))) {
/* If the server didn't give us one, just use the one we sent them */
nt_domain = name_domain;
}
fill_domain_username(username_out, nt_domain, nt_username);
DEBUG(5, ("Setting unix username to [%s]\n", username_out));
/* this interface is in UTF8 */
if (push_utf8_allocate((char **)&state->response.extra_data, username_out) == -1) {
result = NT_STATUS_NO_MEMORY;
goto done;
}
state->response.length += strlen(state->response.extra_data)+1;
}
if (state->request.flags & WBFLAG_PAM_USER_SESSION_KEY) {
memcpy(state->response.data.auth.user_session_key, info3.user_sess_key, sizeof(state->response.data.auth.user_session_key) /* 16 */);
}
if (state->request.flags & WBFLAG_PAM_LMKEY) {
memcpy(state->response.data.auth.first_8_lm_hash, info3.padding, sizeof(state->response.data.auth.first_8_lm_hash) /* 8 */);
}
}
done:
/* give us a more useful (more correct?) error code */
if ((NT_STATUS_EQUAL(result, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND) || (NT_STATUS_EQUAL(result, NT_STATUS_UNSUCCESSFUL)))) {
result = NT_STATUS_NO_LOGON_SERVERS;
}
if (state->request.flags & WBFLAG_PAM_NT_STATUS_SQUASH) {
result = nt_status_squash(result);
}
state->response.data.auth.nt_status = NT_STATUS_V(result);
push_utf8_fstring(state->response.data.auth.nt_status_string, nt_errstr(result));
/* we might have given a more useful error above */
if (!*state->response.data.auth.error_string)
push_utf8_fstring(state->response.data.auth.error_string, get_friendly_nt_error_msg(result));
state->response.data.auth.pam_error = nt_status_to_pam(result);
DEBUG(NT_STATUS_IS_OK(result) ? 5 : 2,
("NTLM CRAP authentication for user [%s]\\[%s] returned %s (PAM: %d)\n",
name_domain,
name_user,
state->response.data.auth.nt_status_string,
state->response.data.auth.pam_error));
if (mem_ctx)
talloc_destroy(mem_ctx);
return NT_STATUS_IS_OK(result) ? WINBINDD_OK : WINBINDD_ERROR;
}
enum winbindd_result winbindd_pam_auth(struct winbindd_cli_state *state)
{
NTSTATUS result;
fstring name_domain, name_user;
unsigned char trust_passwd[16];
time_t last_change_time;
uint32 sec_channel_type;
NET_USER_INFO_3 info3;
struct cli_state *cli = NULL;
uchar chal[8];
TALLOC_CTX *mem_ctx = NULL;
DATA_BLOB lm_resp;
DATA_BLOB nt_resp;
DOM_CRED ret_creds;
int attempts = 0;
unsigned char local_lm_response[24];
unsigned char local_nt_response[24];
struct winbindd_domain *contact_domain;
BOOL retry;
/* Ensure null termination */
state->request.data.auth.user[sizeof(state->request.data.auth.user)-1]='\0';
/* Ensure null termination */
state->request.data.auth.pass[sizeof(state->request.data.auth.pass)-1]='\0';
DEBUG(3, ("[%5lu]: pam auth %s\n", (unsigned long)state->pid,
state->request.data.auth.user));
if (!(mem_ctx = talloc_init("winbind pam auth for %s", state->request.data.auth.user))) {
DEBUG(0, ("winbindd_pam_auth: could not talloc_init()!\n"));
result = NT_STATUS_NO_MEMORY;
goto done;
}
/* Parse domain and username */
parse_domain_user(state->request.data.auth.user, name_domain, name_user);
/* do password magic */
generate_random_buffer(chal, 8);
SMBencrypt(state->request.data.auth.pass, chal, local_lm_response);
SMBNTencrypt(state->request.data.auth.pass, chal, local_nt_response);
lm_resp = data_blob_talloc(mem_ctx, local_lm_response, sizeof(local_lm_response));
nt_resp = data_blob_talloc(mem_ctx, local_nt_response, sizeof(local_nt_response));
/* what domain should we contact? */
if ( IS_DC ) {
if (!(contact_domain = find_domain_from_name(name_domain))) {
DEBUG(3, ("Authentication for domain for [%s] -> [%s]\\[%s] failed as %s is not a trusted domain\n",
state->request.data.auth.user, name_domain, name_user, name_domain));
result = NT_STATUS_NO_SUCH_USER;
goto done;
}
} else {
if (is_myname(name_domain)) {
DEBUG(3, ("Authentication for domain %s (local domain to this server) not supported at this stage\n", name_domain));
result = NT_STATUS_NO_SUCH_USER;
goto done;
}
if (!(contact_domain = find_our_domain())) {
DEBUG(1, ("Authentication for [%s] -> [%s]\\[%s] in our domain failed - we can't find our domain!\n",
state->request.data.auth.user, name_domain, name_user));
result = NT_STATUS_NO_SUCH_USER;
goto done;
}
}
if ( !get_trust_pw(contact_domain->name, trust_passwd, &last_change_time, &sec_channel_type) ) {
result = NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
goto done;
}
/* check authentication loop */
do {
ZERO_STRUCT(info3);
ZERO_STRUCT(ret_creds);
retry = False;
/* Don't shut this down - it belongs to the connection cache code */
result = cm_get_netlogon_cli(contact_domain, trust_passwd,
sec_channel_type, False, &cli);
if (!NT_STATUS_IS_OK(result)) {
DEBUG(3, ("could not open handle to NETLOGON pipe\n"));
goto done;
}
result = cli_netlogon_sam_network_logon(cli, mem_ctx,
&ret_creds,
name_user, name_domain,
global_myname(), chal,
lm_resp, nt_resp,
&info3);
attempts += 1;
/* We have to try a second time as cm_get_netlogon_cli
might not yet have noticed that the DC has killed
our connection. */
if ( cli->fd == -1 ) {
retry = True;
continue;
}
/* if we get access denied, a possible cuase was that we had and open
connection to the DC, but someone changed our machine account password
out from underneath us using 'net rpc changetrustpw' */
if ( NT_STATUS_V(result) == NT_STATUS_V(NT_STATUS_ACCESS_DENIED) ) {
DEBUG(3,("winbindd_pam_auth: sam_logon returned ACCESS_DENIED. Maybe the trust account "
"password was changed and we didn't know it. Killing connections to domain %s\n",
name_domain));
winbindd_cm_flush();
retry = True;
cli = NULL;
}
} while ( (attempts < 2) && retry );
if (cli != NULL) {
/* We might have come out of the loop above with cli == NULL,
so don't dereference that. */
clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred), &ret_creds);
}
if (NT_STATUS_IS_OK(result)) {
netsamlogon_cache_store( cli->mem_ctx, &info3 );
wcache_invalidate_samlogon(find_domain_from_name(name_domain), &info3);
/* Check if the user is in the right group */
if (!NT_STATUS_IS_OK(result = check_info3_in_group(mem_ctx, &info3, state->request.data.auth.required_membership_sid))) {
DEBUG(3, ("User %s is not in the required group (%s), so plaintext authentication is rejected\n",
state->request.data.auth.user,
state->request.data.auth.required_membership_sid));
}
}
done:
/* give us a more useful (more correct?) error code */
if ((NT_STATUS_EQUAL(result, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND) || (NT_STATUS_EQUAL(result, NT_STATUS_UNSUCCESSFUL)))) {
result = NT_STATUS_NO_LOGON_SERVERS;
}
state->response.data.auth.nt_status = NT_STATUS_V(result);
fstrcpy(state->response.data.auth.nt_status_string, nt_errstr(result));
/* we might have given a more useful error above */
if (!*state->response.data.auth.error_string)
fstrcpy(state->response.data.auth.error_string, get_friendly_nt_error_msg(result));
state->response.data.auth.pam_error = nt_status_to_pam(result);
DEBUG(NT_STATUS_IS_OK(result) ? 5 : 2, ("Plain-text authentication for user %s returned %s (PAM: %d)\n",
state->request.data.auth.user,
state->response.data.auth.nt_status_string,
state->response.data.auth.pam_error));
if ( NT_STATUS_IS_OK(result) &&
(state->request.flags & WBFLAG_PAM_AFS_TOKEN) ) {
char *afsname = strdup(lp_afs_username_map());
char *cell;
if (afsname == NULL) goto no_token;
afsname = realloc_string_sub(afsname, "%D", name_domain);
afsname = realloc_string_sub(afsname, "%u", name_user);
afsname = realloc_string_sub(afsname, "%U", name_user);
if (afsname == NULL) goto no_token;
strlower_m(afsname);
cell = strchr(afsname, '@');
if (cell == NULL) goto no_token;
*cell = '\0';
cell += 1;
/* Append an AFS token string */
state->response.extra_data =
afs_createtoken_str(afsname, cell);
if (state->response.extra_data != NULL)
state->response.length +=
strlen(state->response.extra_data)+1;
no_token:
SAFE_FREE(afsname);
}
if (mem_ctx)
talloc_destroy(mem_ctx);
return NT_STATUS_IS_OK(result) ? WINBINDD_OK : WINBINDD_ERROR;
}
/*****************************************************************************
For idmap conversion: convert one record to new format
Ancient versions (eg 2.2.3a) of winbindd_idmap.tdb mapped DOMAINNAME/rid
instead of the SID.
*****************************************************************************/
static int convert_fn(struct db_record *rec, void *private_data)
{
struct winbindd_domain *domain;
char *p;
NTSTATUS status;
struct dom_sid sid;
uint32 rid;
fstring keystr;
fstring dom_name;
TDB_DATA key;
TDB_DATA key2;
TDB_DATA value;
struct convert_fn_state *s = (struct convert_fn_state *)private_data;
key = dbwrap_record_get_key(rec);
DEBUG(10,("Converting %s\n", (const char *)key.dptr));
p = strchr((const char *)key.dptr, '/');
if (!p)
return 0;
*p = 0;
fstrcpy(dom_name, (const char *)key.dptr);
*p++ = '/';
domain = find_domain_from_name(dom_name);
if (domain == NULL) {
/* We must delete the old record. */
DEBUG(0,("Unable to find domain %s\n", dom_name ));
DEBUG(0,("deleting record %s\n", (const char *)key.dptr ));
status = dbwrap_record_delete(rec);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("Unable to delete record %s:%s\n",
(const char *)key.dptr,
nt_errstr(status)));
s->failed = true;
return -1;
}
return 0;
}
rid = atoi(p);
sid_compose(&sid, &domain->sid, rid);
sid_to_fstring(keystr, &sid);
key2 = string_term_tdb_data(keystr);
value = dbwrap_record_get_value(rec);
status = dbwrap_store(s->db, key2, value, TDB_INSERT);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0,("Unable to add record %s:%s\n",
(const char *)key2.dptr,
nt_errstr(status)));
s->failed = true;
return -1;
}
status = dbwrap_store(s->db, value, key2, TDB_REPLACE);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0,("Unable to update record %s:%s\n",
(const char *)value.dptr,
nt_errstr(status)));
s->failed = true;
return -1;
}
status = dbwrap_record_delete(rec);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0,("Unable to delete record %s:%s\n",
(const char *)key.dptr,
nt_errstr(status)));
s->failed = true;
return -1;
}
return 0;
}
static void krb5_ticket_gain_handler(struct tevent_context *event_ctx,
struct tevent_timer *te,
struct timeval now,
void *private_data)
{
struct WINBINDD_CCACHE_ENTRY *entry =
talloc_get_type_abort(private_data, struct WINBINDD_CCACHE_ENTRY);
#ifdef HAVE_KRB5
int ret;
struct timeval t;
struct WINBINDD_MEMORY_CREDS *cred_ptr = entry->cred_ptr;
struct winbindd_domain *domain = NULL;
#endif
DEBUG(10,("krb5_ticket_gain_handler called\n"));
DEBUGADD(10,("event called for: %s, %s\n",
entry->ccname, entry->username));
TALLOC_FREE(entry->event);
#ifdef HAVE_KRB5
if (!cred_ptr || !cred_ptr->pass) {
DEBUG(10,("krb5_ticket_gain_handler: no memory creds\n"));
return;
}
if ((domain = find_domain_from_name(entry->realm)) == NULL) {
DEBUG(0,("krb5_ticket_gain_handler: unknown domain\n"));
return;
}
if (!domain->online) {
goto retry_later;
}
set_effective_uid(entry->uid);
ret = kerberos_kinit_password_ext(entry->principal_name,
cred_ptr->pass,
0, /* hm, can we do time correction here ? */
&entry->refresh_time,
&entry->renew_until,
entry->ccname,
False, /* no PAC required anymore */
True,
WINBINDD_PAM_AUTH_KRB5_RENEW_TIME,
NULL);
gain_root_privilege();
if (ret) {
DEBUG(3,("krb5_ticket_gain_handler: "
"could not kinit: %s\n",
error_message(ret)));
/* evil. If we cannot do it, destroy any the __maybe__
* __existing__ ticket */
ads_kdestroy(entry->ccname);
goto retry_later;
}
DEBUG(10,("krb5_ticket_gain_handler: "
"successful kinit for: %s in ccache: %s\n",
entry->principal_name, entry->ccname));
goto got_ticket;
retry_later:
#if defined(DEBUG_KRB5_TKT_RENEWAL)
t = timeval_set(time(NULL) + 30, 0);
#else
t = timeval_current_ofs(MAX(30, lp_winbind_cache_time()), 0);
#endif
add_krb5_ticket_gain_handler_event(entry, t);
return;
got_ticket:
#if defined(DEBUG_KRB5_TKT_RENEWAL)
t = timeval_set(time(NULL) + 30, 0);
#else
t = timeval_set(krb5_event_refresh_time(entry->refresh_time), 0);
#endif
if (entry->refresh_time == 0) {
entry->refresh_time = t.tv_sec;
}
entry->event = tevent_add_timer(winbind_event_context(),
entry,
t,
krb5_ticket_refresh_handler,
entry);
return;
#endif
}
bool get_sam_group_entries(struct getent_state *ent)
{
NTSTATUS status;
uint32 num_entries;
struct acct_info *name_list = NULL;
TALLOC_CTX *mem_ctx;
bool result = False;
struct acct_info *sam_grp_entries = NULL;
struct winbindd_domain *domain;
if (ent->got_sam_entries)
return False;
if (!(mem_ctx = talloc_init("get_sam_group_entries(%s)",
ent->domain_name))) {
DEBUG(1, ("get_sam_group_entries: "
"could not create talloc context!\n"));
return False;
}
/* Free any existing group info */
SAFE_FREE(ent->sam_entries);
ent->num_sam_entries = 0;
ent->got_sam_entries = True;
/* Enumerate domain groups */
num_entries = 0;
if (!(domain = find_domain_from_name(ent->domain_name))) {
DEBUG(3, ("no such domain %s in get_sam_group_entries\n",
ent->domain_name));
goto done;
}
/* always get the domain global groups */
status = domain->methods->enum_dom_groups(domain, mem_ctx, &num_entries,
&sam_grp_entries);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(3, ("get_sam_group_entries: "
"could not enumerate domain groups! Error: %s\n",
nt_errstr(status)));
result = False;
goto done;
}
/* Copy entries into return buffer */
if (num_entries) {
name_list = SMB_MALLOC_ARRAY(struct acct_info, num_entries);
if (!name_list) {
DEBUG(0,("get_sam_group_entries: Failed to malloc "
"memory for %d domain groups!\n",
num_entries));
result = False;
goto done;
}
memcpy(name_list, sam_grp_entries,
num_entries * sizeof(struct acct_info));
}
ent->num_sam_entries = num_entries;
/* get the domain local groups if we are a member of a native win2k
* domain and are not using LDAP to get the groups */
if ( ( lp_security() != SEC_ADS && domain->native_mode
&& domain->primary) || domain->internal )
{
DEBUG(4,("get_sam_group_entries: %s domain; "
"enumerating local groups as well\n",
domain->native_mode ? "Native Mode 2k":
"BUILTIN or local"));
status = domain->methods->enum_local_groups(domain, mem_ctx,
&num_entries,
&sam_grp_entries);
if ( !NT_STATUS_IS_OK(status) ) {
DEBUG(3,("get_sam_group_entries: "
"Failed to enumerate "
"domain local groups with error %s!\n",
nt_errstr(status)));
num_entries = 0;
}
else
DEBUG(4,("get_sam_group_entries: "
"Returned %d local groups\n",
num_entries));
/* Copy entries into return buffer */
if ( num_entries ) {
name_list = SMB_REALLOC_ARRAY(name_list,
struct acct_info,
ent->num_sam_entries+
num_entries);
if (!name_list) {
DEBUG(0,("get_sam_group_entries: "
"Failed to realloc more memory "
"for %d local groups!\n",
num_entries));
result = False;
goto done;
}
memcpy(&name_list[ent->num_sam_entries],
sam_grp_entries,
num_entries * sizeof(struct acct_info));
}
ent->num_sam_entries += num_entries;
}
ADS_STATUS ads_idmap_cached_connection(ADS_STRUCT **adsp, const char *dom_name)
{
char *ldap_server, *realm, *password;
struct winbindd_domain *wb_dom;
ADS_STATUS status;
ads_cached_connection_reuse(adsp);
if (*adsp != NULL) {
return ADS_SUCCESS;
}
/*
* At this point we only have the NetBIOS domain name.
* Check if we can get server nam and realm from SAF cache
* and the domain list.
*/
ldap_server = saf_fetch(talloc_tos(), dom_name);
DEBUG(10, ("ldap_server from saf cache: '%s'\n",
ldap_server ? ldap_server : ""));
wb_dom = find_domain_from_name(dom_name);
if (wb_dom == NULL) {
DEBUG(10, ("could not find domain '%s'\n", dom_name));
return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
}
DEBUG(10, ("find_domain_from_name found realm '%s' for "
" domain '%s'\n", wb_dom->alt_name, dom_name));
if (!get_trust_pw_clear(dom_name, &password, NULL, NULL)) {
TALLOC_FREE(ldap_server);
return ADS_ERROR_NT(NT_STATUS_CANT_ACCESS_DOMAIN_INFO);
}
if (IS_DC) {
SMB_ASSERT(wb_dom->alt_name != NULL);
realm = SMB_STRDUP(wb_dom->alt_name);
} else {
struct winbindd_domain *our_domain = wb_dom;
/* always give preference to the alt_name in our
primary domain if possible */
if (!wb_dom->primary) {
our_domain = find_our_domain();
}
if (our_domain->alt_name != NULL) {
realm = SMB_STRDUP(our_domain->alt_name);
} else {
realm = SMB_STRDUP(lp_realm());
}
}
status = ads_cached_connection_connect(
adsp, /* Returns ads struct. */
wb_dom->alt_name, /* realm to connect to. */
dom_name, /* 'workgroup' name for ads_init */
ldap_server, /* DNS name to connect to. */
password, /* password for auth realm. */
realm, /* realm used for krb5 ticket. */
0); /* renewable ticket time. */
SAFE_FREE(realm);
TALLOC_FREE(ldap_server);
return status;
}