r24833: Move locator to nsswitch (does not belong to libads anymore).

Guenther
(This used to be commit af90c6949c929c82d4390b2f87a420bd598275dd)

1 files changed, 0 insertions, 395 deletions

diff --git a/source3/libads/smb_krb5_locator.c b/source3/libads/smb_krb5_locator.c
deleted file mode 100644
index 5de080c7ba..0000000000
--- a/source3/libads/smb_krb5_locator.c
+++ /dev/null
@@ -1,395 +0,0 @@
-/*
-   Unix SMB/CIFS implementation.
-   kerberos locator plugin
-   Copyright (C) Guenther Deschner 2007
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 3 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "nsswitch/winbind_client.h"
-
-#ifndef DEBUG_KRB5
-#undef DEBUG_KRB5
-#endif
-
-#if defined(HAVE_KRB5) && defined(HAVE_KRB5_LOCATE_PLUGIN_H)
-BOOL winbind_env_set(void);
-
-#include <krb5/locate_plugin.h>
-
-#ifndef KRB5_PLUGIN_NO_HANDLE
-#define KRB5_PLUGIN_NO_HANDLE KRB5_KDC_UNREACH /* Heimdal */
-#endif
-
-static const char *get_service_from_locate_service_type(enum locate_service_type svc)
-{
-	switch (svc) {
-		case locate_service_kdc:
-		case locate_service_master_kdc:
-			return "88";
-		case locate_service_kadmin:
-		case locate_service_krb524:
-			/* not supported */
-			return NULL;
-		case locate_service_kpasswd:
-			return "464";
-		default:
-			break;
-	}
-	return NULL;
-
-}
-
-#ifdef DEBUG_KRB5
-static const char *locate_service_type_name(enum locate_service_type svc)
-{
-	switch (svc) {
-		case locate_service_kdc:
-			return "locate_service_kdc";
-		case locate_service_master_kdc:
-			return "locate_service_master_kdc";
-		case locate_service_kadmin:
-			return "locate_service_kadmin";
-		case locate_service_krb524:
-			return "locate_service_krb524";
-		case locate_service_kpasswd:
-			return "locate_service_kpasswd";
-		default:
-			break;
-	}
-	return NULL;
-}
-
-static const char *socktype_name(int socktype)
-{
-	switch (socktype) {
-		case SOCK_STREAM:
-			return "SOCK_STREAM";
-		case SOCK_DGRAM:
-			return "SOCK_DGRAM";
-		default:
-			break;
-	}
-	return "unknown";
-}
-
-static const char *family_name(int family)
-{
-	switch (family) {
-		case AF_UNSPEC:
-			return "AF_UNSPEC";
-		case AF_INET:
-			return "AF_INET";
-		case AF_INET6:
-			return "AF_INET6";
-		default:
-			break;
-	}
-	return "unknown";
-}
-#endif
-
-/**
- * Check input parameters, return KRB5_PLUGIN_NO_HANDLE for unsupported ones
- *
- * @param svc
- * @param realm string
- * @param socktype integer
- * @param family integer
- *
- * @return integer.
- */
-
-static int smb_krb5_locator_lookup_sanity_check(enum locate_service_type svc,
-						const char *realm,
-						int socktype,
-						int family)
-{
-	if (!realm || strlen(realm) == 0) {
-		return EINVAL;
-	}
-
-	switch (svc) {
-		case locate_service_kdc:
-		case locate_service_master_kdc:
-		case locate_service_kpasswd:
-			break;
-		case locate_service_kadmin:
-		case locate_service_krb524:
-			return KRB5_PLUGIN_NO_HANDLE;
-		default:
-			return EINVAL;
-	}
-
-	switch (family) {
-		case AF_UNSPEC:
-		case AF_INET:
-			break;
-		case AF_INET6: /* not yet */
-			return KRB5_PLUGIN_NO_HANDLE;
-		default:
-			return EINVAL;
-	}
-
-	switch (socktype) {
-		case SOCK_STREAM:
-		case SOCK_DGRAM:
-		case 0: /* Heimdal uses that */
-			break;
-		default:
-			return EINVAL;
-	}
-
-	return 0;
-}
-
-/**
- * Try to get addrinfo for a given host and call the krb5 callback
- *
- * @param name string
- * @param service string
- * @param in struct addrinfo hint
- * @param cbfunc krb5 callback function
- * @param cbdata void pointer cbdata
- *
- * @return krb5_error_code.
- */
-
-static krb5_error_code smb_krb5_locator_call_cbfunc(const char *name,
-						    const char *service,
-						    struct addrinfo *in,
-						    int (*cbfunc)(void *, int, struct sockaddr *),
-						    void *cbdata)
-{
-	struct addrinfo *out;
-	int ret;
-	int count = 3;
-
-	while (count) {
-
-		ret = getaddrinfo(name, service, in, &out);
-		if (ret == 0) {
-			break;
-		}
-
-		if (ret == EAI_AGAIN) {
-			count--;
-			continue;
-		}
-
-#ifdef DEBUG_KRB5
-		fprintf(stderr, "[%5u]: smb_krb5_locator_lookup: "
-			"getaddrinfo failed: %s (%d)\n",
-			(unsigned int)getpid(), gai_strerror(ret), ret);
-#endif
-
-		return KRB5_PLUGIN_NO_HANDLE;
-	}
-
-	ret = cbfunc(cbdata, out->ai_socktype, out->ai_addr);
-#ifdef DEBUG_KRB5
-	if (ret) {
-		fprintf(stderr, "[%5u]: smb_krb5_locator_lookup: "
-			"failed to call callback: %s (%d)\n",
-			(unsigned int)getpid(), error_message(ret), ret);
-	}
-#endif
-
-	freeaddrinfo(out);
-
-	return ret;
-}
-
-/**
- * PUBLIC INTERFACE: locate init
- *
- * @param context krb5_context
- * @param privata_data pointer to private data pointer
- *
- * @return krb5_error_code.
- */
-
-krb5_error_code smb_krb5_locator_init(krb5_context context,
-				      void **private_data)
-{
-	return 0;
-}
-
-/**
- * PUBLIC INTERFACE: close locate
- *
- * @param private_data pointer to private data
- *
- * @return void.
- */
-
-void smb_krb5_locator_close(void *private_data)
-{
-	return;
-}
-
-
-static int ask_winbind(const char *realm, char **dcname)
-{
-	NSS_STATUS status;
-	struct winbindd_request request;
-	struct winbindd_response response;
-
-	ZERO_STRUCT(request);
-	ZERO_STRUCT(response);
-
-	request.flags = 0x40020600;
-			/* DS_KDC_REQUIRED |
-			DS_IS_DNS_NAME |
-			DS_RETURN_DNS_NAME |
-			DS_IP_REQUIRED */
-
-	strncpy(request.domain_name, realm,
-		sizeof(request.domain_name)-1);
-
-	status = winbindd_request_response(WINBINDD_DSGETDCNAME,
-					   &request, &response);
-	if (status != NSS_STATUS_SUCCESS) {
-#ifdef DEBUG_KRB5
-		fprintf(stderr,"[%5u]: smb_krb5_locator_lookup: failed with: %s\n",
-			(unsigned int)getpid(), nss_err_str(status));
-#endif
-		return False;
-	}
-
-	*dcname = strdup(response.data.dc_name);
-	if (!*dcname) {
-		return False;
-	}
-
-	return True;
-}
-
-/**
- * PUBLIC INTERFACE: locate lookup
- *
- * @param private_data pointer to private data
- * @param svc enum locate_service_type.
- * @param realm string
- * @param socktype integer
- * @param family integer
- * @param cbfunc callback function to send back entries
- * @param cbdata void pointer to cbdata
- *
- * @return krb5_error_code.
- */
-
-krb5_error_code smb_krb5_locator_lookup(void *private_data,
-					enum locate_service_type svc,
-					const char *realm,
-					int socktype,
-					int family,
-					int (*cbfunc)(void *, int, struct sockaddr *),
-					void *cbdata)
-{
-	krb5_error_code ret;
-	struct addrinfo aihints;
-	char *kdc_name = NULL;
-	const char *service = get_service_from_locate_service_type(svc);
-
-	ZERO_STRUCT(aihints);
-
-#ifdef DEBUG_KRB5
-	fprintf(stderr,"[%5u]: smb_krb5_locator_lookup: called for '%s' "
-			"svc: '%s' (%d) "
-			"socktype: '%s' (%d), family: '%s' (%d)\n",
-			(unsigned int)getpid(), realm,
-			locate_service_type_name(svc), svc,
-			socktype_name(socktype), socktype,
-		        family_name(family), family);
-#endif
-	ret = smb_krb5_locator_lookup_sanity_check(svc, realm, socktype,
-						   family);
-	if (ret) {
-#ifdef DEBUG_KRB5
-		fprintf(stderr, "[%5u]: smb_krb5_locator_lookup: "
-			"returning ret: %s (%d)\n",
-			(unsigned int)getpid(), error_message(ret), ret);
-#endif
-		return ret;
-	}
-
-	if (!winbind_env_set()) {
-		if (!ask_winbind(realm, &kdc_name)) {
-#ifdef DEBUG_KRB5
-			fprintf(stderr, "[%5u]: smb_krb5_locator_lookup: "
-				"failed to query winbindd\n",
-				(unsigned int)getpid());
-#endif
-			goto failed;
-		}
-	} else {
-		const char *env = NULL;
-		char *var = NULL;
-		if (asprintf(&var, "%s_%s",
-			     WINBINDD_LOCATOR_KDC_ADDRESS, realm) == -1) {
-			goto failed;
-		}
-		env = getenv(var);
-		if (!env) {
-#ifdef DEBUG_KRB5
-			fprintf(stderr, "[%5u]: smb_krb5_locator_lookup: "
-				"failed to get kdc from env %s\n",
-				(unsigned int)getpid(), var);
-#endif
-			free(var);
-			goto failed;
-		}
-		free(var);
-
-		kdc_name = strdup(env);
-		if (!kdc_name) {
-			goto failed;
-		}
-	}
-#ifdef DEBUG_KRB5
-	fprintf(stderr, "[%5u]: smb_krb5_locator_lookup: "
-		"got '%s' for '%s' from winbindd\n", (unsigned int)getpid(),
-		kdc_name, realm);
-#endif
-
-	aihints.ai_family = family;
-	aihints.ai_socktype = socktype;
-
-	ret = smb_krb5_locator_call_cbfunc(kdc_name,
-					   service,
-					   &aihints,
-					   cbfunc, cbdata);
-	SAFE_FREE(kdc_name);
-
-	return ret;
-
- failed:
-	return KRB5_PLUGIN_NO_HANDLE;
-}
-
-#ifdef HEIMDAL_KRB5_LOCATE_PLUGIN_H
-#define SMB_KRB5_LOCATOR_SYMBOL_NAME resolve /* Heimdal */
-#else
-#define SMB_KRB5_LOCATOR_SYMBOL_NAME service_locator /* MIT */
-#endif
-
-const krb5plugin_service_locate_ftable SMB_KRB5_LOCATOR_SYMBOL_NAME = {
-	0, /* version */
-	smb_krb5_locator_init,
-	smb_krb5_locator_close,
-	smb_krb5_locator_lookup,
-};
-
-#endif