#ifdef HAVE_CYRUS_SASL
#include <limits.h>
+
+#ifdef HAVE_SASL_SASL_H
+#include <sasl/sasl.h>
+#else
#include <sasl.h>
+#endif
+
+#if SASL_VERSION_MAJOR >= 2
+#include <lutil.h>
+#define SASL_CONST const
+#else
+#define SASL_CONST
+#endif
#include <ldap_pvt.h>
}
switch (priority) {
+#if SASL_VERSION_MAJOR >= 2
+ case SASL_LOG_NONE:
+ level = LDAP_DEBUG_NONE;
+ label = "None";
+ break;
+ case SASL_LOG_ERR:
+ level = LDAP_DEBUG_ANY;
+ label = "Error";
+ break;
+ case SASL_LOG_FAIL:
+ level = LDAP_DEBUG_ANY;
+ label = "Failure";
+ break;
+ case SASL_LOG_WARN:
+ level = LDAP_DEBUG_TRACE;
+ label = "Warning";
+ break;
+ case SASL_LOG_NOTE:
+ level = LDAP_DEBUG_TRACE;
+ label = "Notice";
+ break;
+ case SASL_LOG_DEBUG:
+ level = LDAP_DEBUG_TRACE;
+ label = "Debug";
+ break;
+ case SASL_LOG_TRACE:
+ level = LDAP_DEBUG_TRACE;
+ label = "Trace";
+ break;
+ case SASL_LOG_PASS:
+ level = LDAP_DEBUG_TRACE;
+ label = "Password Trace";
+ break;
+#else
case SASL_LOG_ERR:
level = LDAP_DEBUG_ANY;
label = "Error";
level = LDAP_DEBUG_TRACE;
label = "Info";
break;
+#endif
default:
return SASL_BADPARAM;
}
static struct berval ext_bv = { sizeof("EXTERNAL")-1, "EXTERNAL" };
-int slap_sasl_getdn( Connection *conn, char *id, struct berval *dn, int flags )
+int slap_sasl_getdn( Connection *conn, char *id,
+ char *user_realm, struct berval *dn, int flags )
{
- char *c=NULL, *c1;
+ char *c1;
int rc, len, is_dn = 0;
sasl_conn_t *ctx;
struct berval dn2;
char *p;
len = dn->bv_len + sizeof("uid=")-1 + sizeof(",cn=auth")-1;
- /* Figure out how much data we have for the dn */
- rc = sasl_getprop( ctx, SASL_REALM, (void **)&c );
- if( rc != SASL_OK && rc != SASL_NOTDONE ) {
-#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ERR,
- "slap_sasl_getdn: getprop(REALM) failed.\n" ));
-#else
- Debug(LDAP_DEBUG_TRACE,
- "getdn: getprop(REALM) failed!\n", 0,0,0);
-#endif
-
- ch_free( dn->bv_val );
- *dn = slap_empty_bv;
- return( LDAP_OPERATIONS_ERROR );
- }
-
- if( c && *c ) {
- len += strlen( c ) + sizeof(",cn=")-1;
+ if( user_realm && *user_realm ) {
+ len += strlen( user_realm ) + sizeof(",cn=")-1;
}
if( conn->c_sasl_bind_mech.bv_len ) {
p = slap_strcopy( p, c1 );
ch_free( c1 );
- if( c ) {
+ if( user_realm ) {
p = slap_strcopy( p, ",cn=" );
- p = slap_strcopy( p, c );
+ p = slap_strcopy( p, user_realm );
}
if( conn->c_sasl_bind_mech.bv_len ) {
p = slap_strcopy( p, ",cn=" );
return( LDAP_SUCCESS );
}
+#if SASL_VERSION_MAJOR >= 2
+static int
+slap_sasl_checkpass(
+ sasl_conn_t *sconn,
+ void *context,
+ const char *username,
+ const char *pass,
+ unsigned passlen,
+ struct propctx *propctx)
+{
+ Connection *conn = (Connection *)context;
+ struct berval dn, cred;
+ int rc;
+ BerVarray vals, bv;
+
+ cred.bv_val = (char *)pass;
+ cred.bv_len = passlen;
+ /* XXX can we do both steps at once? */
+ rc = slap_sasl_getdn( conn, (char *)username, NULL, &dn,
+ FLAG_GETDN_AUTHCID | FLAG_GETDN_FINAL );
+ if ( rc != LDAP_SUCCESS ) {
+ sasl_seterror( sconn, 0, ldap_err2string( rc ) );
+ return SASL_NOUSER;
+ }
+
+ if ( dn.bv_len == 0 ) {
+ sasl_seterror( sconn, 0,
+ "No password is associated with the Root DSE" );
+ if ( dn.bv_val != NULL ) {
+ ch_free( dn.bv_val );
+ }
+ return SASL_NOUSER;
+ }
+
+ rc = backend_attribute( NULL, NULL, NULL, NULL, &dn,
+ slap_schema.si_ad_userPassword, &vals);
+ if ( rc != LDAP_SUCCESS ) {
+ ch_free( dn.bv_val );
+ sasl_seterror( sconn, 0, ldap_err2string( rc ) );
+ return SASL_NOVERIFY;
+ }
+
+ rc = SASL_NOVERIFY;
+
+ if ( vals != NULL ) {
+ for ( bv = vals; bv->bv_val != NULL; bv++ ) {
+ if ( !lutil_passwd( bv, &cred, NULL ) ) {
+ rc = SASL_OK;
+ break;
+ }
+ }
+ ber_bvarray_free( vals );
+ }
+
+ if ( rc != SASL_OK ) {
+ sasl_seterror( sconn, 0,
+ ldap_err2string( LDAP_INVALID_CREDENTIALS ) );
+ }
+
+ ch_free( dn.bv_val );
+
+ return rc;
+}
+
+static int
+slap_sasl_canonicalize(
+ sasl_conn_t *sconn,
+ void *context,
+ const char *in,
+ unsigned inlen,
+ unsigned flags,
+ const char *user_realm,
+ char *out,
+ unsigned out_max,
+ unsigned *out_len)
+{
+ Connection *conn = (Connection *)context;
+ struct berval dn;
+ int rc;
+
+ *out_len = 0;
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
+ "slap_sasl_canonicalize: conn %d %s=\"%s\"\n",
+ conn ? conn->c_connid : -1,
+ (flags == SASL_CU_AUTHID) ? "authcid" : "authzid",
+ in ? in : "<empty>" ));
+#else
+ Debug( LDAP_DEBUG_ARGS, "SASL Canonicalize [conn=%ld]: "
+ "%s=\"%s\"\n",
+ conn ? conn->c_connid : -1,
+ (flags == SASL_CU_AUTHID) ? "authcid" : "authzid",
+ in ? in : "<empty>" );
+#endif
+
+ rc = slap_sasl_getdn( conn, (char *)in, (char *)user_realm, &dn,
+ (flags == SASL_CU_AUTHID) ? FLAG_GETDN_AUTHCID : FLAG_GETDN_AUTHZID );
+ if ( rc != LDAP_SUCCESS ) {
+ sasl_seterror( sconn, 0, ldap_err2string( rc ) );
+ return SASL_NOAUTHZ;
+ }
+
+ if ( out_max < dn.bv_len ) {
+ return SASL_BUFOVER;
+ }
+
+ AC_MEMCPY( out, dn.bv_val, dn.bv_len );
+ out[dn.bv_len] = '\0';
+
+ *out_len = dn.bv_len;
+
+ ch_free( dn.bv_val );
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
+ "slap_sasl_canonicalize: conn %d %s=\"%s\"\n",
+ conn ? conn->c_connid : -1,
+ (flags == SASL_CU_AUTHID) ? "authcDN" : "authzDN",
+ out ));
+#else
+ Debug( LDAP_DEBUG_ARGS, "SASL Canonicalize [conn=%ld]: "
+ "%s=\"%s\"\n",
+ conn ? conn->c_connid : -1,
+ (flags == SASL_CU_AUTHID) ? "authcDN" : "authzDN",
+ out );
+#endif
+
+ return SASL_OK;
+}
+static int
+slap_sasl_authorize(
+ sasl_conn_t *sconn,
+ void *context,
+ const char *requested_user,
+ unsigned rlen,
+ const char *auth_identity,
+ unsigned alen,
+ const char *def_realm,
+ unsigned urlen,
+ struct propctx *propctx)
+{
+ Connection *conn = (Connection *)context;
+ struct berval authcDN, authzDN;
+ int rc;
+
+ authcDN.bv_val = (char *)auth_identity;
+ authcDN.bv_len = alen;
+
+ authzDN.bv_val = (char *)requested_user;
+ authzDN.bv_len = rlen;
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
+ "slap_sasl_authorize: conn %d authcDN=\"%s\" authzDN=\"%s\"\n",
+ conn ? conn->c_connid : -1, authcDN.bv_val, authzDN.bv_val));
+#else
+ Debug( LDAP_DEBUG_ARGS, "SASL Authorize [conn=%ld]: "
+ "authcDN=\"%s\" authzDN=\"%s\"\n",
+ conn ? conn->c_connid : -1, authcDN.bv_val, authzDN.bv_val );
+#endif
+
+ rc = slap_sasl_authorized( &authcDN, &authzDN );
+ if ( rc != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "sasl", LDAP_LEVEL_INFO,
+ "slap_sasl_authorize: conn %ld authorization disallowed (%d)\n",
+ (long)(conn ? conn->c_connid : -1), rc ));
+#else
+ Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
+ " authorization disallowed (%d)\n",
+ (long) (conn ? conn->c_connid : -1), rc, 0 );
+#endif
+
+ sasl_seterror( sconn, 0, "not authorized" );
+ return SASL_NOAUTHZ;
+ }
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
+ "slap_sasl_authorize: conn %d authorization allowed\n",
+ (long)(conn ? conn->c_connid : -1 ) ));
+#else
+ Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
+ " authorization allowed\n",
+ (long) (conn ? conn->c_connid : -1), 0, 0 );
+#endif
+
+ return SASL_OK;
+}
+#else
static int
slap_sasl_authorize(
void *context,
struct berval authcDN, authzDN;
int rc;
Connection *conn = context;
+ char *realm;
*user = NULL;
#ifdef NEW_LOGGING
LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sas_authorize: conn %d authcid=\"%s\" authzid=\"%s\"\n",
+ "slap_sasl_authorize: conn %d authcid=\"%s\" authzid=\"%s\"\n",
conn ? conn->c_connid : -1,
authcid ? authcid : "<empty>",
authzid ? authzid : "<empty>" ));
authzid ? authzid : "<empty>" );
#endif
+ /* Figure out how much data we have for the dn */
+ rc = sasl_getprop( conn->c_sasl_context, SASL_REALM, (void **)&realm );
+ if( rc != SASL_OK && rc != SASL_NOTDONE ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "sasl", LDAP_LEVEL_ERR,
+ "slap_sasl_authorize: getprop(REALM) failed.\n" ));
+#else
+ Debug(LDAP_DEBUG_TRACE,
+ "authorize: getprop(REALM) failed!\n", 0,0,0);
+#endif
+ *errstr = "Could not extract realm";
+ return SASL_NOAUTHZ;
+ }
/* Convert the identities to DN's. If no authzid was given, client will
be bound as the DN matching their username */
- rc = slap_sasl_getdn( conn, (char *)authcid, &authcDN, FLAG_GETDN_AUTHCID );
+ rc = slap_sasl_getdn( conn, (char *)authcid, realm, &authcDN, FLAG_GETDN_AUTHCID );
if( rc != LDAP_SUCCESS ) {
*errstr = ldap_err2string( rc );
return SASL_NOAUTHZ;
*errstr = NULL;
return SASL_OK;
}
- rc = slap_sasl_getdn( conn, (char *)authzid, &authzDN, FLAG_GETDN_AUTHZID );
+ rc = slap_sasl_getdn( conn, (char *)authzid, realm, &authzDN, FLAG_GETDN_AUTHZID );
if( rc != LDAP_SUCCESS ) {
ch_free( authcDN.bv_val );
*errstr = ldap_err2string( rc );
*errstr = NULL;
return SASL_OK;
}
-
+#endif /* SASL_VERSION_MAJOR >= 2 */
static int
slap_sasl_err2ldap( int saslerr )
/* default security properties */
memset( &sasl_secprops, '\0', sizeof(sasl_secprops) );
- sasl_secprops.max_ssf = INT_MAX;
- sasl_secprops.maxbufsize = 65536;
- sasl_secprops.security_flags = SASL_SEC_NOPLAINTEXT|SASL_SEC_NOANONYMOUS;
+ sasl_secprops.max_ssf = INT_MAX;
+ sasl_secprops.maxbufsize = 65536;
+ sasl_secprops.security_flags = SASL_SEC_NOPLAINTEXT|SASL_SEC_NOANONYMOUS;
#endif
return 0;
int slap_sasl_open( Connection *conn )
{
- int sc = LDAP_SUCCESS;
+ int cb, sc = LDAP_SUCCESS;
+#if SASL_VERSION_MAJOR >= 2
+ char *ipremoteport = NULL, *iplocalport = NULL;
+#endif
#ifdef HAVE_CYRUS_SASL
sasl_conn_t *ctx = NULL;
conn->c_sasl_layers = 0;
session_callbacks =
+#if SASL_VERSION_MAJOR >= 2
+ ch_calloc( 5, sizeof(sasl_callback_t));
+#else
ch_calloc( 3, sizeof(sasl_callback_t));
+#endif
conn->c_sasl_extra = session_callbacks;
- session_callbacks[0].id = SASL_CB_LOG;
- session_callbacks[0].proc = &slap_sasl_log;
- session_callbacks[0].context = conn;
+ session_callbacks[cb=0].id = SASL_CB_LOG;
+ session_callbacks[cb].proc = &slap_sasl_log;
+ session_callbacks[cb++].context = conn;
- session_callbacks[1].id = SASL_CB_PROXY_POLICY;
- session_callbacks[1].proc = &slap_sasl_authorize;
- session_callbacks[1].context = conn;
+ session_callbacks[cb].id = SASL_CB_PROXY_POLICY;
+ session_callbacks[cb].proc = &slap_sasl_authorize;
+ session_callbacks[cb++].context = conn;
+
+#if SASL_VERSION_MAJOR >= 2
+ session_callbacks[cb].id = SASL_CB_CANON_USER;
+ session_callbacks[cb].proc = &slap_sasl_canonicalize;
+ session_callbacks[cb++].context = conn;
+
+ /* XXXX: this should be conditional */
+ session_callbacks[cb].id = SASL_CB_SERVER_USERDB_CHECKPASS;
+ session_callbacks[cb].proc = &slap_sasl_checkpass;
+ session_callbacks[cb++].context = conn;
+#endif
- session_callbacks[2].id = SASL_CB_LIST_END;
- session_callbacks[2].proc = NULL;
- session_callbacks[2].context = NULL;
+ session_callbacks[cb].id = SASL_CB_LIST_END;
+ session_callbacks[cb].proc = NULL;
+ session_callbacks[cb++].context = NULL;
if( global_host == NULL ) {
global_host = ldap_pvt_get_fqdn( NULL );
}
/* create new SASL context */
+#if SASL_VERSION_MAJOR >= 2
+ if ( conn->c_sock_name.bv_len != 0 &&
+ strncmp( conn->c_sock_name.bv_val, "IP=", 3 ) == 0) {
+ char *p;
+
+ iplocalport = ch_strdup( conn->c_sock_name.bv_val + 3 );
+ /* Convert IPv6 addresses to address;port syntax. */
+ p = strrchr( iplocalport, ' ' );
+ if ( p != NULL ) {
+ *p = ';';
+ }
+ }
+ if ( conn->c_peer_name.bv_len != 0 &&
+ strncmp( conn->c_peer_name.bv_val, "IP=", 3 ) == 0) {
+ char *p;
+
+ ipremoteport = ch_strdup( conn->c_peer_name.bv_val + 3 );
+ /* Convert IPv6 addresses to address;port syntax. */
+ p = strrchr( ipremoteport, ' ' );
+ if ( p != NULL ) {
+ *p = ';';
+ }
+ }
+ sc = sasl_server_new( "ldap", global_host, global_realm,
+ iplocalport, ipremoteport, session_callbacks, 0, &ctx );
+ if ( iplocalport != NULL ) {
+ ch_free( iplocalport );
+ }
+ if ( ipremoteport != NULL ) {
+ ch_free( ipremoteport );
+ }
+#else
sc = sasl_server_new( "ldap", global_host, global_realm,
session_callbacks, SASL_SECURITY_LAYER, &ctx );
+#endif
if( sc != SASL_OK ) {
#ifdef NEW_LOGGING
slap_ssf_t ssf,
const char *auth_id )
{
-#ifdef HAVE_CYRUS_SASL
+#if SASL_VERSION_MAJOR >= 2
+ int sc;
+ sasl_conn_t *ctx = conn->c_sasl_context;
+
+ if ( ctx == NULL ) {
+ return LDAP_UNAVAILABLE;
+ }
+
+ sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL, &ssf );
+
+ if ( sc != SASL_OK ) {
+ return LDAP_OTHER;
+ }
+
+ sc = sasl_setprop( ctx, SASL_AUTH_EXTERNAL, auth_id );
+
+ if ( sc != SASL_OK ) {
+ return LDAP_OTHER;
+ }
+
+#elif defined(HAVE_CYRUS_SASL)
int sc;
sasl_conn_t *ctx = conn->c_sasl_context;
sasl_external_properties_t extprops;
if( ctx != NULL ) {
int sc;
- char *mechstr;
+ SASL_CONST char *mechstr;
sc = sasl_listmech( ctx,
NULL, NULL, ",", NULL,
mechs = str2charray( mechstr, "," );
+#if SASL_VERSION_MAJOR < 2
ch_free( mechstr );
+#endif
}
#endif
sasl_conn_t *ctx = conn->c_sasl_context;
struct berval response;
unsigned reslen = 0;
- const char *errstr;
+ const char *errstr = NULL;
int sc;
#ifdef NEW_LOGGING
return rc;
}
+#if SASL_VERSION_MAJOR >= 2
+#define START( ctx, mech, cred, clen, resp, rlen, err ) \
+ sasl_server_start( ctx, mech, cred, clen, resp, rlen )
+#define STEP( ctx, cred, clen, resp, rlen, err ) \
+ sasl_server_step( ctx, cred, clen, resp, rlen )
+#else
+#define START( ctx, mech, cred, clen, resp, rlen, err ) \
+ sasl_server_start( ctx, mech, cred, clen, resp, rlen, err )
+#define STEP( ctx, cred, clen, resp, rlen, err ) \
+ sasl_server_step( ctx, cred, clen, resp, rlen, err )
+#endif
+
if ( !conn->c_sasl_bind_in_progress ) {
- sc = sasl_server_start( ctx,
+ sc = START( ctx,
conn->c_sasl_bind_mech.bv_val,
cred->bv_len ? cred->bv_val : "",
cred->bv_len,
- (char **)&response.bv_val, &reslen, &errstr );
+ (SASL_CONST char **)&response.bv_val, &reslen, &errstr );
} else {
- sc = sasl_server_step( ctx,
+ sc = STEP( ctx,
cred->bv_val, cred->bv_len,
- (char **)&response.bv_val, &reslen, &errstr );
+ (SASL_CONST char **)&response.bv_val, &reslen, &errstr );
}
response.bv_len = reslen;
if ( sc == SASL_OK ) {
char *username = NULL;
+ char *realm = NULL;
+#if SASL_VERSION_MAJOR >= 2
+ sc = sasl_getprop( ctx, SASL_DEFUSERREALM, (const void **)&realm );
+#else
+ sc = sasl_getprop( ctx, SASL_REALM, (void **)&realm );
+#endif
sc = sasl_getprop( ctx,
- SASL_USERNAME, (void **)&username );
+ SASL_USERNAME, (SASL_CONST void **)&username );
if ( sc != SASL_OK ) {
#ifdef NEW_LOGGING
NULL, "no SASL username", NULL, NULL );
} else {
- rc = slap_sasl_getdn( conn, username, edn, FLAG_GETDN_FINAL );
+ rc = slap_sasl_getdn( conn, username, realm, edn, FLAG_GETDN_FINAL );
if( rc == LDAP_SUCCESS ) {
sasl_ssf_t *ssf = NULL;
NULL, errstr, NULL, NULL );
}
+#if SASL_VERSION_MAJOR < 2
if( response.bv_len ) {
ch_free( response.bv_val );
}
+#endif
#ifdef NEW_LOGGING
LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
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