/* $OpenLDAP$ */
-/*
- * Copyright 1999-2003 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2010 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
*/
#include "portable.h"
#include <ac/time.h>
#include <ac/errno.h>
#include <ac/ctype.h>
+#include <ac/unistd.h>
+
+#ifdef HAVE_LIMITS_H
+#include <limits.h>
+#endif
#include "ldap-int.h"
#ifdef HAVE_CYRUS_SASL
+#ifdef HAVE_LIMITS_H
+#include <limits.h>
+#endif
+
+#ifndef INT_MAX
+#define INT_MAX 2147483647 /* 32 bit signed max */
+#endif
+
#ifdef LDAP_R_COMPILE
ldap_pvt_thread_mutex_t ldap_int_sasl_mutex;
#endif
* Various Cyrus SASL related stuff.
*/
+static const sasl_callback_t client_callbacks[] = {
+#ifdef SASL_CB_GETREALM
+ { SASL_CB_GETREALM, NULL, NULL },
+#endif
+ { SASL_CB_USER, NULL, NULL },
+ { SASL_CB_AUTHNAME, NULL, NULL },
+ { SASL_CB_PASS, NULL, NULL },
+ { SASL_CB_ECHOPROMPT, NULL, NULL },
+ { SASL_CB_NOECHOPROMPT, NULL, NULL },
+ { SASL_CB_LIST_END, NULL, NULL }
+};
+
int ldap_int_sasl_init( void )
{
/* XXX not threadsafe */
static int sasl_initialized = 0;
- static sasl_callback_t client_callbacks[] = {
-#ifdef SASL_CB_GETREALM
- { SASL_CB_GETREALM, NULL, NULL },
-#endif
- { SASL_CB_USER, NULL, NULL },
- { SASL_CB_AUTHNAME, NULL, NULL },
- { SASL_CB_PASS, NULL, NULL },
- { SASL_CB_ECHOPROMPT, NULL, NULL },
- { SASL_CB_NOECHOPROMPT, NULL, NULL },
- { SASL_CB_LIST_END, NULL, NULL }
- };
-
#ifdef HAVE_SASL_VERSION
-#define SASL_BUILD_VERSION ((SASL_VERSION_MAJOR << 24) |\
- (SASL_VERSION_MINOR << 16) | SASL_VERSION_STEP)
-
+ /* stringify the version number, sasl.h doesn't do it for us */
+#define VSTR0(maj, min, pat) #maj "." #min "." #pat
+#define VSTR(maj, min, pat) VSTR0(maj, min, pat)
+#define SASL_VERSION_STRING VSTR(SASL_VERSION_MAJOR, SASL_VERSION_MINOR, \
+ SASL_VERSION_STEP)
{ int rc;
sasl_version( NULL, &rc );
if ( ((rc >> 16) != ((SASL_VERSION_MAJOR << 8)|SASL_VERSION_MINOR)) ||
(rc & 0xffff) < SASL_VERSION_STEP) {
+ char version[sizeof("xxx.xxx.xxxxx")];
+ sprintf( version, "%u.%d.%d", (unsigned)rc >> 24, (rc >> 16) & 0xff,
+ rc & 0xffff );
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, INFO,
- "ldap_int_sasl_init: SASL version mismatch, got %x, wanted %x.\n",
- rc, SASL_BUILD_VERSION, 0 );
-#else
Debug( LDAP_DEBUG_ANY,
- "ldap_int_sasl_init: SASL version mismatch, got %x, wanted %x.\n",
- rc, SASL_BUILD_VERSION, 0 );
-#endif
+ "ldap_int_sasl_init: SASL library version mismatch:"
+ " expected " SASL_VERSION_STRING ","
+ " got %s\n", version, 0, 0 );
return -1;
}
}
ldap_pvt_sasl_mutex_lock,
ldap_pvt_sasl_mutex_unlock,
ldap_pvt_sasl_mutex_dispose );
-
- ldap_pvt_thread_mutex_init( &ldap_int_sasl_mutex );
#endif
- if ( sasl_client_init( client_callbacks ) == SASL_OK ) {
+ if ( sasl_client_init( NULL ) == SASL_OK ) {
sasl_initialized = 1;
return 0;
}
return -1;
}
-/*
- * SASL encryption support for LBER Sockbufs
- */
-
-struct sb_sasl_data {
- sasl_conn_t *sasl_context;
- unsigned *sasl_maxbuf;
- Sockbuf_Buf sec_buf_in;
- Sockbuf_Buf buf_in;
- Sockbuf_Buf buf_out;
-};
-
-static int
-sb_sasl_setup( Sockbuf_IO_Desc *sbiod, void *arg )
+static void
+sb_sasl_cyrus_init(
+ struct sb_sasl_generic_data *p,
+ ber_len_t *min_send,
+ ber_len_t *max_send,
+ ber_len_t *max_recv)
{
- struct sb_sasl_data *p;
-
- assert( sbiod != NULL );
-
- p = LBER_MALLOC( sizeof( *p ) );
- if ( p == NULL )
- return -1;
- p->sasl_context = (sasl_conn_t *)arg;
- ber_pvt_sb_buf_init( &p->sec_buf_in );
- ber_pvt_sb_buf_init( &p->buf_in );
- ber_pvt_sb_buf_init( &p->buf_out );
- if ( ber_pvt_sb_grow_buffer( &p->sec_buf_in, SASL_MIN_BUFF_SIZE ) < 0 ) {
- LBER_FREE( p );
- errno = ENOMEM;
- return -1;
- }
- sasl_getprop( p->sasl_context, SASL_MAXOUTBUF,
- (SASL_CONST void **) &p->sasl_maxbuf );
+ sasl_conn_t *sasl_context = (sasl_conn_t *)p->ops_private;
+ ber_len_t maxbuf;
- sbiod->sbiod_pvt = p;
+ sasl_getprop( sasl_context, SASL_MAXOUTBUF,
+ (SASL_CONST void **)(char *) &maxbuf );
- return 0;
+ *min_send = SASL_MIN_BUFF_SIZE;
+ *max_send = maxbuf;
+ *max_recv = SASL_MAX_BUFF_SIZE;
}
-static int
-sb_sasl_remove( Sockbuf_IO_Desc *sbiod )
+static ber_int_t
+sb_sasl_cyrus_encode(
+ struct sb_sasl_generic_data *p,
+ unsigned char *buf,
+ ber_len_t len,
+ Sockbuf_Buf *dst)
{
- struct sb_sasl_data *p;
+ sasl_conn_t *sasl_context = (sasl_conn_t *)p->ops_private;
+ ber_int_t ret;
+ unsigned tmpsize = dst->buf_size;
- assert( sbiod != NULL );
-
- p = (struct sb_sasl_data *)sbiod->sbiod_pvt;
-#if SASL_VERSION_MAJOR >= 2
- /*
- * SASLv2 encode/decode buffers are managed by
- * libsasl2. Ensure they are not freed by liblber.
- */
- p->buf_in.buf_base = NULL;
- p->buf_out.buf_base = NULL;
-#endif
- ber_pvt_sb_buf_destroy( &p->sec_buf_in );
- ber_pvt_sb_buf_destroy( &p->buf_in );
- ber_pvt_sb_buf_destroy( &p->buf_out );
- LBER_FREE( p );
- sbiod->sbiod_pvt = NULL;
- return 0;
-}
-
-static ber_len_t
-sb_sasl_pkt_length( const unsigned char *buf, unsigned max, int debuglevel )
-{
- ber_len_t size;
+ ret = sasl_encode( sasl_context, (char *)buf, len,
+ (SASL_CONST char **)&dst->buf_base,
+ &tmpsize );
- assert( buf != NULL );
+ dst->buf_size = tmpsize;
+ dst->buf_end = dst->buf_size;
- size = buf[0] << 24
- | buf[1] << 16
- | buf[2] << 8
- | buf[3];
-
- if ( size > SASL_MAX_BUFF_SIZE ) {
- /* somebody is trying to mess me up. */
- ber_log_printf( LDAP_DEBUG_ANY, debuglevel,
- "sb_sasl_pkt_length: received illegal packet length "
- "of %lu bytes\n", (unsigned long)size );
- size = 16; /* this should lead to an error. */
+ if ( ret != SASL_OK ) {
+ ber_log_printf( LDAP_DEBUG_ANY, p->sbiod->sbiod_sb->sb_debug,
+ "sb_sasl_cyrus_encode: failed to encode packet: %s\n",
+ sasl_errstring( ret, NULL, NULL ) );
+ return -1;
}
- return size + 4; /* include the size !!! */
-}
-
-/* Drop a processed packet from the input buffer */
-static void
-sb_sasl_drop_packet ( Sockbuf_Buf *sec_buf_in, unsigned max, int debuglevel )
-{
- ber_slen_t len;
-
- len = sec_buf_in->buf_ptr - sec_buf_in->buf_end;
- if ( len > 0 )
- AC_MEMCPY( sec_buf_in->buf_base, sec_buf_in->buf_base +
- sec_buf_in->buf_end, len );
-
- if ( len >= 4 ) {
- sec_buf_in->buf_end = sb_sasl_pkt_length(
- (unsigned char *) sec_buf_in->buf_base, max, debuglevel);
- }
- else {
- sec_buf_in->buf_end = 0;
- }
- sec_buf_in->buf_ptr = len;
+ return 0;
}
-static ber_slen_t
-sb_sasl_read( Sockbuf_IO_Desc *sbiod, void *buf, ber_len_t len)
+static ber_int_t
+sb_sasl_cyrus_decode(
+ struct sb_sasl_generic_data *p,
+ const Sockbuf_Buf *src,
+ Sockbuf_Buf *dst)
{
- struct sb_sasl_data *p;
- ber_slen_t ret, bufptr;
-
- assert( sbiod != NULL );
- assert( SOCKBUF_VALID( sbiod->sbiod_sb ) );
-
- p = (struct sb_sasl_data *)sbiod->sbiod_pvt;
-
- /* Are there anything left in the buffer? */
- ret = ber_pvt_sb_copy_out( &p->buf_in, buf, len );
- bufptr = ret;
- len -= ret;
-
- if ( len == 0 )
- return bufptr;
-
-#if SASL_VERSION_MAJOR >= 2
- ber_pvt_sb_buf_init( &p->buf_in );
-#else
- ber_pvt_sb_buf_destroy( &p->buf_in );
-#endif
-
- /* Read the length of the packet */
- while ( p->sec_buf_in.buf_ptr < 4 ) {
- ret = LBER_SBIOD_READ_NEXT( sbiod, p->sec_buf_in.buf_base,
- 4 - p->sec_buf_in.buf_ptr );
-#ifdef EINTR
- if ( ( ret < 0 ) && ( errno == EINTR ) )
- continue;
-#endif
- if ( ret <= 0 )
- return bufptr ? bufptr : ret;
-
- p->sec_buf_in.buf_ptr += ret;
- }
-
- /* The new packet always starts at p->sec_buf_in.buf_base */
- ret = sb_sasl_pkt_length( (unsigned char *) p->sec_buf_in.buf_base,
- *p->sasl_maxbuf, sbiod->sbiod_sb->sb_debug );
-
- /* Grow the packet buffer if neccessary */
- if ( ( p->sec_buf_in.buf_size < (ber_len_t) ret ) &&
- ber_pvt_sb_grow_buffer( &p->sec_buf_in, ret ) < 0 )
- {
- errno = ENOMEM;
- return -1;
- }
- p->sec_buf_in.buf_end = ret;
-
- /* Did we read the whole encrypted packet? */
- while ( p->sec_buf_in.buf_ptr < p->sec_buf_in.buf_end ) {
- /* No, we have got only a part of it */
- ret = p->sec_buf_in.buf_end - p->sec_buf_in.buf_ptr;
-
- ret = LBER_SBIOD_READ_NEXT( sbiod, p->sec_buf_in.buf_base +
- p->sec_buf_in.buf_ptr, ret );
-#ifdef EINTR
- if ( ( ret < 0 ) && ( errno == EINTR ) )
- continue;
-#endif
- if ( ret <= 0 )
- return bufptr ? bufptr : ret;
+ sasl_conn_t *sasl_context = (sasl_conn_t *)p->ops_private;
+ ber_int_t ret;
+ unsigned tmpsize = dst->buf_size;
- p->sec_buf_in.buf_ptr += ret;
- }
+ ret = sasl_decode( sasl_context,
+ src->buf_base, src->buf_end,
+ (SASL_CONST char **)&dst->buf_base,
+ (unsigned *)&tmpsize );
- /* Decode the packet */
- ret = sasl_decode( p->sasl_context, p->sec_buf_in.buf_base,
- p->sec_buf_in.buf_end,
- (SASL_CONST char **)&p->buf_in.buf_base,
- (unsigned *)&p->buf_in.buf_end );
- /* Drop the packet from the input buffer */
- sb_sasl_drop_packet( &p->sec_buf_in,
- *p->sasl_maxbuf, sbiod->sbiod_sb->sb_debug );
+ dst->buf_size = tmpsize;
+ dst->buf_end = dst->buf_size;
if ( ret != SASL_OK ) {
- ber_log_printf( LDAP_DEBUG_ANY, sbiod->sbiod_sb->sb_debug,
- "sb_sasl_read: failed to decode packet: %s\n",
- sasl_errstring( ret, NULL, NULL ) );
- errno = EIO;
+ ber_log_printf( LDAP_DEBUG_ANY, p->sbiod->sbiod_sb->sb_debug,
+ "sb_sasl_cyrus_decode: failed to decode packet: %s\n",
+ sasl_errstring( ret, NULL, NULL ) );
return -1;
}
-
- p->buf_in.buf_size = p->buf_in.buf_end;
-
- bufptr += ber_pvt_sb_copy_out( &p->buf_in, (char*) buf + bufptr, len );
- return bufptr;
+ return 0;
}
-static ber_slen_t
-sb_sasl_write( Sockbuf_IO_Desc *sbiod, void *buf, ber_len_t len)
+static void
+sb_sasl_cyrus_reset_buf(
+ struct sb_sasl_generic_data *p,
+ Sockbuf_Buf *buf)
{
- struct sb_sasl_data *p;
- int ret;
-
- assert( sbiod != NULL );
- assert( SOCKBUF_VALID( sbiod->sbiod_sb ) );
-
- p = (struct sb_sasl_data *)sbiod->sbiod_pvt;
-
- /* Are there anything left in the buffer? */
- if ( p->buf_out.buf_ptr != p->buf_out.buf_end ) {
- ret = ber_pvt_sb_do_write( sbiod, &p->buf_out );
- if ( ret < 0 )
- return ret;
- /* Still have something left?? */
- if ( p->buf_out.buf_ptr != p->buf_out.buf_end ) {
- errno = EAGAIN;
- return 0;
- }
- }
-
- /* now encode the next packet. */
#if SASL_VERSION_MAJOR >= 2
- ber_pvt_sb_buf_init( &p->buf_out );
- /* sasl v2 makes sure this number is correct */
- if ( len > *p->sasl_maxbuf )
- len = *p->sasl_maxbuf;
+ ber_pvt_sb_buf_init( buf );
#else
- ber_pvt_sb_buf_destroy( &p->buf_out );
- if ( len > *p->sasl_maxbuf - 100 )
- len = *p->sasl_maxbuf - 100; /* For safety margin */
+ ber_pvt_sb_buf_destroy( buf );
#endif
- ret = sasl_encode( p->sasl_context, buf, len,
- (SASL_CONST char **)&p->buf_out.buf_base,
- (unsigned *)&p->buf_out.buf_size );
- if ( ret != SASL_OK ) {
- ber_log_printf( LDAP_DEBUG_ANY, sbiod->sbiod_sb->sb_debug,
- "sb_sasl_write: failed to encode packet: %s\n",
- sasl_errstring( ret, NULL, NULL ) );
- return -1;
- }
- p->buf_out.buf_end = p->buf_out.buf_size;
-
- ret = ber_pvt_sb_do_write( sbiod, &p->buf_out );
- if ( ret <= 0 )
- return ret;
- return len;
}
-static int
-sb_sasl_ctrl( Sockbuf_IO_Desc *sbiod, int opt, void *arg )
+static void
+sb_sasl_cyrus_fini(
+ struct sb_sasl_generic_data *p)
{
- struct sb_sasl_data *p;
-
- p = (struct sb_sasl_data *)sbiod->sbiod_pvt;
-
- if ( opt == LBER_SB_OPT_DATA_READY ) {
- if ( p->buf_in.buf_ptr != p->buf_in.buf_end )
- return 1;
- }
-
- return LBER_SBIOD_CTRL_NEXT( sbiod, opt, arg );
+#if SASL_VERSION_MAJOR >= 2
+ /*
+ * SASLv2 encode/decode buffers are managed by
+ * libsasl2. Ensure they are not freed by liblber.
+ */
+ p->buf_in.buf_base = NULL;
+ p->buf_out.buf_base = NULL;
+#endif
}
-Sockbuf_IO ldap_pvt_sockbuf_io_sasl = {
- sb_sasl_setup, /* sbi_setup */
- sb_sasl_remove, /* sbi_remove */
- sb_sasl_ctrl, /* sbi_ctrl */
- sb_sasl_read, /* sbi_read */
- sb_sasl_write, /* sbi_write */
- NULL /* sbi_close */
-};
+static const struct sb_sasl_generic_ops sb_sasl_cyrus_ops = {
+ sb_sasl_cyrus_init,
+ sb_sasl_cyrus_encode,
+ sb_sasl_cyrus_decode,
+ sb_sasl_cyrus_reset_buf,
+ sb_sasl_cyrus_fini
+ };
int ldap_pvt_sasl_install( Sockbuf *sb, void *ctx_arg )
{
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, ENTRY, "ldap_pvt_sasl_install\n", 0, 0, 0 );
-#else
- Debug( LDAP_DEBUG_TRACE, "ldap_pvt_sasl_install\n",
- 0, 0, 0 );
-#endif
-
- /* don't install the stuff unless security has been negotiated */
+ struct sb_sasl_generic_install install_arg;
- if ( !ber_sockbuf_ctrl( sb, LBER_SB_OPT_HAS_IO,
- &ldap_pvt_sockbuf_io_sasl ) )
- {
-#ifdef LDAP_DEBUG
- ber_sockbuf_add_io( sb, &ber_sockbuf_io_debug,
- LBER_SBIOD_LEVEL_APPLICATION, (void *)"sasl_" );
-#endif
- ber_sockbuf_add_io( sb, &ldap_pvt_sockbuf_io_sasl,
- LBER_SBIOD_LEVEL_APPLICATION, ctx_arg );
- }
+ install_arg.ops = &sb_sasl_cyrus_ops;
+ install_arg.ops_private = ctx_arg;
- return LDAP_SUCCESS;
+ return ldap_pvt_sasl_generic_install( sb, &install_arg );
}
void ldap_pvt_sasl_remove( Sockbuf *sb )
{
- ber_sockbuf_remove_io( sb, &ldap_pvt_sockbuf_io_sasl,
- LBER_SBIOD_LEVEL_APPLICATION );
-#ifdef LDAP_DEBUG
- ber_sockbuf_remove_io( sb, &ber_sockbuf_io_debug,
- LBER_SBIOD_LEVEL_APPLICATION );
-#endif
+ ldap_pvt_sasl_generic_remove( sb );
}
static int
{
int rc;
+ /* map SASL errors to LDAP API errors returned by:
+ * sasl_client_new()
+ * SASL_OK, SASL_NOMECH, SASL_NOMEM
+ * sasl_client_start()
+ * SASL_OK, SASL_NOMECH, SASL_NOMEM, SASL_INTERACT
+ * sasl_client_step()
+ * SASL_OK, SASL_INTERACT, SASL_BADPROT, SASL_BADSERV
+ */
+
switch (saslerr) {
case SASL_CONTINUE:
rc = LDAP_MORE_RESULTS_TO_RETURN;
case SASL_OK:
rc = LDAP_SUCCESS;
break;
- case SASL_FAIL:
- rc = LDAP_LOCAL_ERROR;
- break;
case SASL_NOMEM:
rc = LDAP_NO_MEMORY;
break;
case SASL_NOMECH:
rc = LDAP_AUTH_UNKNOWN;
break;
+ case SASL_BADPROT:
+ rc = LDAP_DECODING_ERROR;
+ break;
+ case SASL_BADSERV:
+ rc = LDAP_AUTH_UNKNOWN;
+ break;
+
+ /* other codes */
case SASL_BADAUTH:
rc = LDAP_AUTH_UNKNOWN;
break;
case SASL_NOAUTHZ:
rc = LDAP_PARAM_ERROR;
break;
+ case SASL_FAIL:
+ rc = LDAP_LOCAL_ERROR;
+ break;
case SASL_TOOWEAK:
case SASL_ENCRYPT:
rc = LDAP_AUTH_UNKNOWN;
return ld->ld_errno;
}
+ if ( ldap_int_sasl_init() ) {
+ ld->ld_errno = LDAP_LOCAL_ERROR;
+ return ld->ld_errno;
+ }
+
#if SASL_VERSION_MAJOR >= 2
rc = sasl_client_new( "ldap", host, NULL, NULL,
- NULL, 0, &ctx );
+ client_callbacks, 0, &ctx );
#else
- rc = sasl_client_new( "ldap", host, NULL,
+ rc = sasl_client_new( "ldap", host, client_callbacks,
SASL_SECURITY_LAYER, &ctx );
#endif
return ld->ld_errno;
}
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, DETAIL1, "ldap_int_sasl_open: host=%s\n",
- host, 0, 0 );
-#else
Debug( LDAP_DEBUG_TRACE, "ldap_int_sasl_open: host=%s\n",
host, 0, 0 );
-#endif
lc->lconn_sasl_authctx = ctx;
ber_socket_t sd;
void *ssl;
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, ARGS, "ldap_int_sasl_bind: %s\n",
- mechs ? mechs : "<null>", 0, 0 );
-#else
Debug( LDAP_DEBUG_TRACE, "ldap_int_sasl_bind: %s\n",
mechs ? mechs : "<null>", 0, 0 );
-#endif
/* do a quick !LDAPv3 check... ldap_sasl_bind will do the rest. */
if (ld->ld_version < LDAP_VERSION3) {
return ld->ld_errno;
}
+ rc = 0;
+#ifdef LDAP_R_COMPILE
+ ldap_pvt_thread_mutex_lock( &ld->ld_req_mutex );
+#endif
ber_sockbuf_ctrl( ld->ld_sb, LBER_SB_OPT_GET_FD, &sd );
if ( sd == AC_SOCKET_INVALID ) {
/* not connected yet */
- int rc;
rc = ldap_open_defconn( ld );
- if( rc < 0 ) return ld->ld_errno;
- ber_sockbuf_ctrl( ld->ld_sb, LBER_SB_OPT_GET_FD, &sd );
+ if ( rc == 0 ) {
+ ber_sockbuf_ctrl( ld->ld_defconn->lconn_sb,
+ LBER_SB_OPT_GET_FD, &sd );
- if( sd == AC_SOCKET_INVALID ) {
- ld->ld_errno = LDAP_LOCAL_ERROR;
- return ld->ld_errno;
+ if( sd == AC_SOCKET_INVALID ) {
+ ld->ld_errno = LDAP_LOCAL_ERROR;
+ rc = ld->ld_errno;
+ }
}
}
+#ifdef LDAP_R_COMPILE
+ ldap_pvt_thread_mutex_unlock( &ld->ld_req_mutex );
+#endif
+ if( rc != 0 ) return ld->ld_errno;
oldctx = ld->ld_defconn->lconn_sasl_authctx;
ld->ld_defconn->lconn_sasl_authctx = NULL;
}
- rc = ldap_int_sasl_open( ld, ld->ld_defconn,
- ld->ld_defconn->lconn_server->lud_host ?
- ld->ld_defconn->lconn_server->lud_host : "localhost" );
+ {
+ char *saslhost;
+ int nocanon = (int)LDAP_BOOL_GET( &ld->ld_options,
+ LDAP_BOOL_SASL_NOCANON );
+
+ /* If we don't need to canonicalize just use the host
+ * from the LDAP URI.
+ */
+ if ( nocanon )
+ saslhost = ld->ld_defconn->lconn_server->lud_host;
+ else
+ saslhost = ldap_host_connected_to( ld->ld_defconn->lconn_sb,
+ "localhost" );
+ rc = ldap_int_sasl_open( ld, ld->ld_defconn, saslhost );
+ if ( !nocanon )
+ LDAP_FREE( saslhost );
+ }
if ( rc != LDAP_SUCCESS ) return rc;
ctx = ld->ld_defconn->lconn_sasl_authctx;
+#ifdef HAVE_TLS
/* Check for TLS */
- ssl = ldap_pvt_tls_sb_ctx( ld->ld_sb );
+ ssl = ldap_pvt_tls_sb_ctx( ld->ld_defconn->lconn_sb );
if ( ssl ) {
- struct berval authid = { 0, NULL };
+ struct berval authid = BER_BVNULL;
ber_len_t fac;
fac = ldap_pvt_tls_get_strength( ssl );
(void) ldap_int_sasl_external( ld, ld->ld_defconn, authid.bv_val, fac );
LDAP_FREE( authid.bv_val );
}
+#endif
+#if !defined(_WIN32)
/* Check for local */
- if ( ldap_pvt_url_scheme2proto( ld->ld_defconn->lconn_server->lud_scheme ) == LDAP_PROTO_IPC ) {
- char authid[sizeof("uidNumber=4294967295+gidNumber=4294967295,"
+ if ( ldap_pvt_url_scheme2proto(
+ ld->ld_defconn->lconn_server->lud_scheme ) == LDAP_PROTO_IPC )
+ {
+ char authid[sizeof("gidNumber=4294967295+uidNumber=4294967295,"
"cn=peercred,cn=external,cn=auth")];
- sprintf( authid, "uidNumber=%d+gidNumber=%d,"
+ sprintf( authid, "gidNumber=%u+uidNumber=%u,"
"cn=peercred,cn=external,cn=auth",
- (int) geteuid(), (int) getegid() );
- (void) ldap_int_sasl_external( ld, ld->ld_defconn, authid, LDAP_PVT_SASL_LOCAL_SSF );
+ getegid(), geteuid() );
+ (void) ldap_int_sasl_external( ld, ld->ld_defconn, authid,
+ LDAP_PVT_SASL_LOCAL_SSF );
}
+#endif
/* (re)set security properties */
sasl_setprop( ctx, SASL_SEC_PROPS,
if ( (saslrc != SASL_OK) && (saslrc != SASL_CONTINUE) ) {
rc = ld->ld_errno = sasl_err2ldap( saslrc );
#if SASL_VERSION_MAJOR >= 2
+ if ( ld->ld_error ) {
+ LDAP_FREE( ld->ld_error );
+ }
ld->ld_error = LDAP_STRDUP( sasl_errdetail( ctx ) );
#endif
goto done;
scred = NULL;
- rc = ldap_sasl_bind_s( ld, dn, mech, &ccred, sctrls, cctrls, &scred );
+ rc = ldap_sasl_bind_s( ld, dn, mech, &ccred, sctrls, cctrls,
+ &scred );
if ( ccred.bv_val != NULL ) {
#if SASL_VERSION_MAJOR < 2
}
if ( rc != LDAP_SUCCESS && rc != LDAP_SASL_BIND_IN_PROGRESS ) {
- if( scred && scred->bv_len ) {
+ if( scred ) {
/* and server provided us with data? */
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, DETAIL1,
- "ldap_int_sasl_bind: rc=%d sasl=%d len=%ld\n",
- rc, saslrc, scred->bv_len );
-#else
Debug( LDAP_DEBUG_TRACE,
"ldap_int_sasl_bind: rc=%d sasl=%d len=%ld\n",
- rc, saslrc, scred->bv_len );
-#endif
+ rc, saslrc, scred ? (long) scred->bv_len : -1L );
ber_bvfree( scred );
+ scred = NULL;
}
rc = ld->ld_errno;
goto done;
if( rc == LDAP_SUCCESS && saslrc == SASL_OK ) {
/* we're done, no need to step */
- if( scred && scred->bv_len ) {
- /* but server provided us with data! */
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, DETAIL1,
- "ldap_int_sasl_bind: rc=%d sasl=%d len=%ld\n",
- rc, saslrc, scred->bv_len );
-#else
- Debug( LDAP_DEBUG_TRACE,
- "ldap_int_sasl_bind: rc=%d sasl=%d len=%ld\n",
- rc, saslrc, scred->bv_len );
+ if( scred ) {
+ /* but we got additional data? */
+#define KLUDGE_FOR_MSAD
+#ifdef KLUDGE_FOR_MSAD
+ /*
+ * MSAD provides empty additional data in violation of LDAP
+ * technical specifications. As no existing SASL mechanism
+ * allows empty data with an outcome message, just ignore it
+ * for now. Hopefully MS will fix their bug before someone
+ * defines a mechanism with possibly empty additional data.
+ */
+ if( scred->bv_len == 0 ) {
+ Debug( LDAP_DEBUG_ANY,
+ "ldap_int_sasl_bind: ignoring "
+ " bogus empty data provided with SASL outcome message.\n",
+ rc, saslrc, scred->bv_len );
+ ber_bvfree( scred );
+ } else
#endif
- ber_bvfree( scred );
- rc = ld->ld_errno = LDAP_LOCAL_ERROR;
- goto done;
+ {
+ Debug( LDAP_DEBUG_TRACE,
+ "ldap_int_sasl_bind: rc=%d sasl=%d len=%ld\n",
+ rc, saslrc, scred->bv_len );
+ rc = ld->ld_errno = LDAP_LOCAL_ERROR;
+ ber_bvfree( scred );
+ goto done;
+ }
}
break;
}
do {
+ if( ! scred ) {
+ /* no data! */
+ Debug( LDAP_DEBUG_TRACE,
+ "ldap_int_sasl_bind: no data in step!\n",
+ 0, 0, 0 );
+ }
+
saslrc = sasl_client_step( ctx,
(scred == NULL) ? NULL : scred->bv_val,
(scred == NULL) ? 0 : scred->bv_len,
(SASL_CONST char **)&ccred.bv_val,
&credlen );
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, DETAIL1,
- "ldap_int_sasl_bind: sasl_client_step: %d\n", saslrc,0,0 );
-#else
Debug( LDAP_DEBUG_TRACE, "sasl_client_step: %d\n",
saslrc, 0, 0 );
-#endif
if( saslrc == SASL_INTERACT ) {
int res;
if ( (saslrc != SASL_OK) && (saslrc != SASL_CONTINUE) ) {
ld->ld_errno = sasl_err2ldap( saslrc );
#if SASL_VERSION_MAJOR >= 2
+ if ( ld->ld_error ) {
+ LDAP_FREE( ld->ld_error );
+ }
ld->ld_error = LDAP_STRDUP( sasl_errdetail( ctx ) );
#endif
rc = ld->ld_errno;
if ( saslrc != SASL_OK ) {
#if SASL_VERSION_MAJOR >= 2
+ if ( ld->ld_error ) {
+ LDAP_FREE( ld->ld_error );
+ }
ld->ld_error = LDAP_STRDUP( sasl_errdetail( ctx ) );
#endif
rc = ld->ld_errno = sasl_err2ldap( saslrc );
}
if( flags != LDAP_SASL_QUIET ) {
- saslrc = sasl_getprop( ctx, SASL_USERNAME, (SASL_CONST void **) &data );
+ saslrc = sasl_getprop( ctx, SASL_USERNAME,
+ (SASL_CONST void **)(char *) &data );
if( saslrc == SASL_OK && data && *data ) {
fprintf( stderr, "SASL username: %s\n", data );
}
#if SASL_VERSION_MAJOR < 2
- saslrc = sasl_getprop( ctx, SASL_REALM, (SASL_CONST void **) &data );
+ saslrc = sasl_getprop( ctx, SASL_REALM,
+ (SASL_CONST void **) &data );
if( saslrc == SASL_OK && data && *data ) {
fprintf( stderr, "SASL realm: %s\n", data );
}
#endif
}
- saslrc = sasl_getprop( ctx, SASL_SSF, (SASL_CONST void **) &ssf );
+ saslrc = sasl_getprop( ctx, SASL_SSF, (SASL_CONST void **)(char *) &ssf );
if( saslrc == SASL_OK ) {
if( flags != LDAP_SASL_QUIET ) {
fprintf( stderr, "SASL SSF: %lu\n",
}
if( ssf && *ssf ) {
- if( flags != LDAP_SASL_QUIET ) {
- fprintf( stderr, "SASL installing layers\n" );
- }
if ( ld->ld_defconn->lconn_sasl_sockctx ) {
oldctx = ld->ld_defconn->lconn_sasl_sockctx;
sasl_dispose( &oldctx );
- ldap_pvt_sasl_remove( ld->ld_sb );
+ ldap_pvt_sasl_remove( ld->ld_defconn->lconn_sb );
}
- ldap_pvt_sasl_install( ld->ld_conns->lconn_sb, ctx );
+ ldap_pvt_sasl_install( ld->ld_defconn->lconn_sb, ctx );
ld->ld_defconn->lconn_sasl_sockctx = ctx;
+
+ if( flags != LDAP_SASL_QUIET ) {
+ fprintf( stderr, "SASL data security layer installed.\n" );
+ }
}
}
ld->ld_defconn->lconn_sasl_authctx = ctx;
sasl_conn_t *ctx;
#if SASL_VERSION_MAJOR < 2
sasl_external_properties_t extprops;
+#else
+ sasl_ssf_t sasl_ssf = ssf;
#endif
ctx = conn->lconn_sasl_authctx;
}
#if SASL_VERSION_MAJOR >= 2
- sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL, &ssf );
+ sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL, &sasl_ssf );
if ( sc == SASL_OK )
sc = sasl_setprop( ctx, SASL_AUTH_EXTERNAL, authid );
#else
}
+#define GOT_MINSSF 1
+#define GOT_MAXSSF 2
+#define GOT_MAXBUF 4
+
+static struct {
+ struct berval key;
+ int sflag;
+ int ival;
+ int idef;
+} sprops[] = {
+ { BER_BVC("none"), 0, 0, 0 },
+ { BER_BVC("nodict"), SASL_SEC_NODICTIONARY, 0, 0 },
+ { BER_BVC("noplain"), SASL_SEC_NOPLAINTEXT, 0, 0 },
+ { BER_BVC("noactive"), SASL_SEC_NOACTIVE, 0, 0 },
+ { BER_BVC("passcred"), SASL_SEC_PASS_CREDENTIALS, 0, 0 },
+ { BER_BVC("forwardsec"), SASL_SEC_FORWARD_SECRECY, 0, 0 },
+ { BER_BVC("noanonymous"), SASL_SEC_NOANONYMOUS, 0, 0 },
+ { BER_BVC("minssf="), 0, GOT_MINSSF, 0 },
+ { BER_BVC("maxssf="), 0, GOT_MAXSSF, INT_MAX },
+ { BER_BVC("maxbufsize="), 0, GOT_MAXBUF, 65536 },
+ { BER_BVNULL, 0, 0, 0 }
+};
+
+void ldap_pvt_sasl_secprops_unparse(
+ sasl_security_properties_t *secprops,
+ struct berval *out )
+{
+ int i, l = 0;
+ int comma;
+ char *ptr;
+
+ if ( secprops == NULL || out == NULL ) {
+ return;
+ }
+
+ comma = 0;
+ for ( i=0; !BER_BVISNULL( &sprops[i].key ); i++ ) {
+ if ( sprops[i].ival ) {
+ int v = 0;
+
+ switch( sprops[i].ival ) {
+ case GOT_MINSSF: v = secprops->min_ssf; break;
+ case GOT_MAXSSF: v = secprops->max_ssf; break;
+ case GOT_MAXBUF: v = secprops->maxbufsize; break;
+ }
+ /* It is the default, ignore it */
+ if ( v == sprops[i].idef ) continue;
+
+ l += sprops[i].key.bv_len + 24;
+ } else if ( sprops[i].sflag ) {
+ if ( sprops[i].sflag & secprops->security_flags ) {
+ l += sprops[i].key.bv_len;
+ }
+ } else if ( secprops->security_flags == 0 ) {
+ l += sprops[i].key.bv_len;
+ }
+ if ( comma ) l++;
+ comma = 1;
+ }
+ l++;
+
+ out->bv_val = LDAP_MALLOC( l );
+ if ( out->bv_val == NULL ) {
+ out->bv_len = 0;
+ return;
+ }
+
+ ptr = out->bv_val;
+ comma = 0;
+ for ( i=0; !BER_BVISNULL( &sprops[i].key ); i++ ) {
+ if ( sprops[i].ival ) {
+ int v = 0;
+
+ switch( sprops[i].ival ) {
+ case GOT_MINSSF: v = secprops->min_ssf; break;
+ case GOT_MAXSSF: v = secprops->max_ssf; break;
+ case GOT_MAXBUF: v = secprops->maxbufsize; break;
+ }
+ /* It is the default, ignore it */
+ if ( v == sprops[i].idef ) continue;
+
+ if ( comma ) *ptr++ = ',';
+ ptr += sprintf(ptr, "%s%d", sprops[i].key.bv_val, v );
+ comma = 1;
+ } else if ( sprops[i].sflag ) {
+ if ( sprops[i].sflag & secprops->security_flags ) {
+ if ( comma ) *ptr++ = ',';
+ ptr += sprintf(ptr, "%s", sprops[i].key.bv_val );
+ comma = 1;
+ }
+ } else if ( secprops->security_flags == 0 ) {
+ if ( comma ) *ptr++ = ',';
+ ptr += sprintf(ptr, "%s", sprops[i].key.bv_val );
+ comma = 1;
+ }
+ }
+ out->bv_len = ptr - out->bv_val;
+}
+
int ldap_pvt_sasl_secprops(
const char *in,
sasl_security_properties_t *secprops )
{
- int i;
- char **props = ldap_str2charray( in, "," );
+ unsigned i, j, l;
+ char **props;
unsigned sflags = 0;
int got_sflags = 0;
sasl_ssf_t max_ssf = 0;
unsigned maxbufsize = 0;
int got_maxbufsize = 0;
- if( props == NULL || secprops == NULL ) {
+ if( secprops == NULL ) {
+ return LDAP_PARAM_ERROR;
+ }
+ props = ldap_str2charray( in, "," );
+ if( props == NULL ) {
return LDAP_PARAM_ERROR;
}
for( i=0; props[i]; i++ ) {
- if( !strcasecmp(props[i], "none") ) {
- got_sflags++;
-
- } else if( !strcasecmp(props[i], "noplain") ) {
- got_sflags++;
- sflags |= SASL_SEC_NOPLAINTEXT;
-
- } else if( !strcasecmp(props[i], "noactive") ) {
- got_sflags++;
- sflags |= SASL_SEC_NOACTIVE;
-
- } else if( !strcasecmp(props[i], "nodict") ) {
- got_sflags++;
- sflags |= SASL_SEC_NODICTIONARY;
-
- } else if( !strcasecmp(props[i], "forwardsec") ) {
- got_sflags++;
- sflags |= SASL_SEC_FORWARD_SECRECY;
-
- } else if( !strcasecmp(props[i], "noanonymous")) {
- got_sflags++;
- sflags |= SASL_SEC_NOANONYMOUS;
-
- } else if( !strcasecmp(props[i], "passcred") ) {
- got_sflags++;
- sflags |= SASL_SEC_PASS_CREDENTIALS;
-
- } else if( !strncasecmp(props[i],
- "minssf=", sizeof("minssf")) )
- {
- if( isdigit( (unsigned char) props[i][sizeof("minssf")] ) ) {
- got_min_ssf++;
- min_ssf = atoi( &props[i][sizeof("minssf")] );
+ l = strlen( props[i] );
+ for ( j=0; !BER_BVISNULL( &sprops[j].key ); j++ ) {
+ if ( l < sprops[j].key.bv_len ) continue;
+ if ( strncasecmp( props[i], sprops[j].key.bv_val,
+ sprops[j].key.bv_len )) continue;
+ if ( sprops[j].ival ) {
+ unsigned v;
+ char *next = NULL;
+ if ( !isdigit( (unsigned char)props[i][sprops[j].key.bv_len] ))
+ continue;
+ v = strtoul( &props[i][sprops[j].key.bv_len], &next, 10 );
+ if ( next == &props[i][sprops[j].key.bv_len] || next[0] != '\0' ) continue;
+ switch( sprops[j].ival ) {
+ case GOT_MINSSF:
+ min_ssf = v; got_min_ssf++; break;
+ case GOT_MAXSSF:
+ max_ssf = v; got_max_ssf++; break;
+ case GOT_MAXBUF:
+ maxbufsize = v; got_maxbufsize++; break;
+ }
} else {
- return LDAP_NOT_SUPPORTED;
+ if ( props[i][sprops[j].key.bv_len] ) continue;
+ if ( sprops[j].sflag )
+ sflags |= sprops[j].sflag;
+ else
+ sflags = 0;
+ got_sflags++;
}
-
- } else if( !strncasecmp(props[i],
- "maxssf=", sizeof("maxssf")) )
- {
- if( isdigit( (unsigned char) props[i][sizeof("maxssf")] ) ) {
- got_max_ssf++;
- max_ssf = atoi( &props[i][sizeof("maxssf")] );
- } else {
- return LDAP_NOT_SUPPORTED;
- }
-
- } else if( !strncasecmp(props[i],
- "maxbufsize=", sizeof("maxbufsize")) )
- {
- if( isdigit( (unsigned char) props[i][sizeof("maxbufsize")] ) ) {
- got_maxbufsize++;
- maxbufsize = atoi( &props[i][sizeof("maxbufsize")] );
- } else {
- return LDAP_NOT_SUPPORTED;
- }
-
- if( maxbufsize && (( maxbufsize < SASL_MIN_BUFF_SIZE )
- || (maxbufsize > SASL_MAX_BUFF_SIZE )))
- {
- /* bad maxbufsize */
- return LDAP_PARAM_ERROR;
- }
-
- } else {
+ break;
+ }
+ if ( BER_BVISNULL( &sprops[j].key )) {
+ ldap_charray_free( props );
return LDAP_NOT_SUPPORTED;
}
}
int
ldap_int_sasl_get_option( LDAP *ld, int option, void *arg )
{
+ if ( option == LDAP_OPT_X_SASL_MECHLIST ) {
+ if ( ldap_int_sasl_init() )
+ return -1;
+ *(char ***)arg = (char **)sasl_global_listmech();
+ return 0;
+ }
+
if ( ld == NULL )
return -1;
}
sc = sasl_getprop( ctx, SASL_SSF,
- (SASL_CONST void **) &ssf );
+ (SASL_CONST void **)(char *) &ssf );
if ( sc != SASL_OK ) {
return -1;
case LDAP_OPT_X_SASL_MAXBUFSIZE:
*(ber_len_t *)arg = ld->ld_options.ldo_sasl_secprops.maxbufsize;
break;
+ case LDAP_OPT_X_SASL_NOCANON:
+ *(int *)arg = (int) LDAP_BOOL_GET(&ld->ld_options, LDAP_BOOL_SASL_NOCANON );
+ break;
+
+ case LDAP_OPT_X_SASL_USERNAME: {
+ int sc;
+ char *username;
+ sasl_conn_t *ctx;
+
+ if( ld->ld_defconn == NULL ) {
+ return -1;
+ }
+
+ ctx = ld->ld_defconn->lconn_sasl_authctx;
+
+ if ( ctx == NULL ) {
+ return -1;
+ }
+
+ sc = sasl_getprop( ctx, SASL_USERNAME,
+ (SASL_CONST void **)(char **) &username );
+
+ if ( sc != SASL_OK ) {
+ return -1;
+ }
+
+ *(char **)arg = username ? LDAP_STRDUP( username ) : NULL;
+ } break;
case LDAP_OPT_X_SASL_SECPROPS:
/* this option is write only */
return -1;
+#ifdef SASL_GSS_CREDS
+ case LDAP_OPT_X_SASL_GSS_CREDS: {
+ sasl_conn_t *ctx;
+ int sc;
+
+ if ( ld->ld_defconn == NULL )
+ return -1;
+
+ ctx = ld->ld_defconn->lconn_sasl_authctx;
+ if ( ctx == NULL )
+ return -1;
+
+ sc = sasl_getprop( ctx, SASL_GSS_CREDS, arg );
+ if ( sc != SASL_OK )
+ return -1;
+ }
+ break;
+#endif
+
default:
return -1;
}
if ( ld == NULL )
return -1;
+ if ( arg == NULL && option != LDAP_OPT_X_SASL_NOCANON )
+ return -1;
+
switch ( option ) {
case LDAP_OPT_X_SASL_SSF:
+ case LDAP_OPT_X_SASL_USERNAME:
/* This option is read-only */
return -1;
int sc;
#if SASL_VERSION_MAJOR < 2
sasl_external_properties_t extprops;
+#else
+ sasl_ssf_t sasl_ssf;
#endif
sasl_conn_t *ctx;
}
#if SASL_VERSION_MAJOR >= 2
- sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL, arg);
+ sasl_ssf = * (ber_len_t *)arg;
+ sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL, &sasl_ssf);
#else
memset(&extprops, 0L, sizeof(extprops));
case LDAP_OPT_X_SASL_MAXBUFSIZE:
ld->ld_options.ldo_sasl_secprops.maxbufsize = *(ber_len_t *)arg;
break;
+ case LDAP_OPT_X_SASL_NOCANON:
+ if ( arg == LDAP_OPT_OFF ) {
+ LDAP_BOOL_CLR(&ld->ld_options, LDAP_BOOL_SASL_NOCANON );
+ } else {
+ LDAP_BOOL_SET(&ld->ld_options, LDAP_BOOL_SASL_NOCANON );
+ }
+ break;
case LDAP_OPT_X_SASL_SECPROPS: {
int sc;
return sc == LDAP_SUCCESS ? 0 : -1;
}
+#ifdef SASL_GSS_CREDS
+ case LDAP_OPT_X_SASL_GSS_CREDS: {
+ sasl_conn_t *ctx;
+ int sc;
+
+ if ( ld->ld_defconn == NULL )
+ return -1;
+
+ ctx = ld->ld_defconn->lconn_sasl_authctx;
+ if ( ctx == NULL )
+ return -1;
+
+ sc = sasl_setprop( ctx, SASL_GSS_CREDS, arg );
+ if ( sc != SASL_OK )
+ return -1;
+ }
+ break;
+#endif
+
default:
return -1;
}
{
ldap_pvt_thread_mutex_t *mutex;
- mutex = (ldap_pvt_thread_mutex_t *) LDAP_MALLOC(
+ mutex = (ldap_pvt_thread_mutex_t *) LDAP_CALLOC( 1,
sizeof(ldap_pvt_thread_mutex_t) );
if ( ldap_pvt_thread_mutex_init( mutex ) == 0 ) {
return SASL_OK;
}
#else /* !LDAP_DEBUG_R_SASL */
- assert( mutex );
+ assert( mutex != NULL );
#endif /* !LDAP_DEBUG_R_SASL */
return ldap_pvt_thread_mutex_lock( (ldap_pvt_thread_mutex_t *)mutex )
? SASL_FAIL : SASL_OK;
return SASL_OK;
}
#else /* !LDAP_DEBUG_R_SASL */
- assert( mutex );
+ assert( mutex != NULL );
#endif /* !LDAP_DEBUG_R_SASL */
return ldap_pvt_thread_mutex_unlock( (ldap_pvt_thread_mutex_t *)mutex )
? SASL_FAIL : SASL_OK;
return;
}
#else /* !LDAP_DEBUG_R_SASL */
- assert( mutex );
+ assert( mutex != NULL );
#endif /* !LDAP_DEBUG_R_SASL */
(void) ldap_pvt_thread_mutex_destroy( (ldap_pvt_thread_mutex_t *)mutex );
LDAP_FREE( mutex );
projects / openldap / blobdiff