+++ /dev/null
-/* $OpenLDAP$ */
-/*
- * Copyright 1999-2002 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
- */
-
-#include "portable.h"
-
-#include <stdio.h>
-
-#include <ac/socket.h>
-#include <ac/stdlib.h>
-#include <ac/string.h>
-#include <ac/time.h>
-#include <ac/errno.h>
-#include <ac/ctype.h>
-
-#include "ldap-int.h"
-
-#ifdef HAVE_CYRUS_SASL
-
-#ifdef LDAP_R_COMPILE
-ldap_pvt_thread_mutex_t ldap_int_sasl_mutex;
-#endif
-
-#ifdef HAVE_SASL_SASL_H
-#include <sasl/sasl.h>
-#else
-#include <sasl.h>
-#endif
-
-#if SASL_VERSION_MAJOR >= 2
-#define SASL_CONST const
-#else
-#define SASL_CONST
-#endif
-
-/*
-* Various Cyrus SASL related stuff.
-*/
-
-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)
-
- { int rc;
- sasl_version( NULL, &rc );
- if ( ((rc >> 16) != ((SASL_VERSION_MAJOR << 8)|SASL_VERSION_MINOR)) ||
- (rc & 0xffff) < SASL_VERSION_STEP) {
-
-#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
- return -1;
- }
- }
-#endif
- if ( sasl_initialized ) {
- return 0;
- }
-
-/* SASL 2 takes care of its own memory completely internally */
-#if SASL_VERSION_MAJOR < 2 && !defined(CSRIMALLOC)
- sasl_set_alloc(
- ber_memalloc,
- ber_memcalloc,
- ber_memrealloc,
- ber_memfree );
-#endif /* CSRIMALLOC */
-
-#ifdef LDAP_R_COMPILE
- sasl_set_mutex(
- ldap_pvt_sasl_mutex_new,
- 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 ) {
- sasl_initialized = 1;
- return 0;
- }
-
-#if SASL_VERSION_MAJOR < 2
- /* A no-op to make sure we link with Cyrus 1.5 */
- sasl_client_auth( NULL, NULL, NULL, 0, NULL, NULL );
-#endif
- 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 )
-{
- 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 );
-
- sbiod->sbiod_pvt = p;
-
- return 0;
-}
-
-static int
-sb_sasl_remove( Sockbuf_IO_Desc *sbiod )
-{
- struct sb_sasl_data *p;
-
- 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;
-
- assert( buf != NULL );
-
- 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. */
- }
-
- 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( sec_buf_in->buf_base,
- max, debuglevel);
- }
- else {
- sec_buf_in->buf_end = 0;
- }
- sec_buf_in->buf_ptr = len;
-}
-
-static ber_slen_t
-sb_sasl_read( Sockbuf_IO_Desc *sbiod, void *buf, ber_len_t len)
-{
- 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( 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;
-
- p->sec_buf_in.buf_ptr += ret;
- }
-
- /* 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 );
-
- 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;
- 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;
-}
-
-static ber_slen_t
-sb_sasl_write( Sockbuf_IO_Desc *sbiod, void *buf, ber_len_t len)
-{
- 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;
-#else
- ber_pvt_sb_buf_destroy( &p->buf_out );
- if ( len > *p->sasl_maxbuf - 100 )
- len = *p->sasl_maxbuf - 100; /* For safety margin */
-#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 )
-{
- 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 );
-}
-
-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 */
-};
-
-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 */
-
- 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 );
- }
-
- return LDAP_SUCCESS;
-}
-
-static int
-sasl_err2ldap( int saslerr )
-{
- int rc;
-
- switch (saslerr) {
- case SASL_CONTINUE:
- rc = LDAP_MORE_RESULTS_TO_RETURN;
- break;
- case SASL_INTERACT:
- rc = LDAP_LOCAL_ERROR;
- break;
- 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_BADAUTH:
- rc = LDAP_AUTH_UNKNOWN;
- break;
- case SASL_NOAUTHZ:
- rc = LDAP_PARAM_ERROR;
- break;
- case SASL_TOOWEAK:
- case SASL_ENCRYPT:
- rc = LDAP_AUTH_UNKNOWN;
- break;
- default:
- rc = LDAP_LOCAL_ERROR;
- break;
- }
-
- assert( rc == LDAP_SUCCESS || LDAP_API_ERROR( rc ) );
- return rc;
-}
-
-int
-ldap_int_sasl_open(
- LDAP *ld,
- LDAPConn *lc,
- const char * host )
-{
- int rc;
- sasl_conn_t *ctx;
-
- assert( lc->lconn_sasl_ctx == NULL );
-
- if ( host == NULL ) {
- 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 );
-#else
- rc = sasl_client_new( "ldap", host, NULL,
- SASL_SECURITY_LAYER, &ctx );
-#endif
-
- if ( rc != SASL_OK ) {
- ld->ld_errno = sasl_err2ldap( rc );
- 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_ctx = ctx;
-
- return LDAP_SUCCESS;
-}
-
-int ldap_int_sasl_close( LDAP *ld, LDAPConn *lc )
-{
- sasl_conn_t *ctx = lc->lconn_sasl_ctx;
-
- if( ctx != NULL ) {
- sasl_dispose( &ctx );
- lc->lconn_sasl_ctx = NULL;
- }
-
- return LDAP_SUCCESS;
-}
-
-int
-ldap_int_sasl_bind(
- LDAP *ld,
- const char *dn,
- const char *mechs,
- LDAPControl **sctrls,
- LDAPControl **cctrls,
- unsigned flags,
- LDAP_SASL_INTERACT_PROC *interact,
- void * defaults )
-{
- char *data;
- const char *mech = NULL;
- const char *pmech = NULL;
- int saslrc, rc;
- sasl_ssf_t *ssf = NULL;
- sasl_conn_t *ctx;
- sasl_interact_t *prompts = NULL;
- unsigned credlen;
- struct berval ccred;
- ber_socket_t sd;
-
-#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) {
- ld->ld_errno = LDAP_NOT_SUPPORTED;
- return ld->ld_errno;
- }
-
- 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( sd == AC_SOCKET_INVALID ) {
- ld->ld_errno = LDAP_LOCAL_ERROR;
- return ld->ld_errno;
- }
- }
-
- ctx = ld->ld_defconn->lconn_sasl_ctx;
-
- if( ctx == NULL ) {
- ld->ld_errno = LDAP_LOCAL_ERROR;
- return ld->ld_errno;
- }
-
- /* (re)set security properties */
- sasl_setprop( ctx, SASL_SEC_PROPS,
- &ld->ld_options.ldo_sasl_secprops );
-
- ccred.bv_val = NULL;
- ccred.bv_len = 0;
-
- do {
- saslrc = sasl_client_start( ctx,
- mechs,
-#if SASL_VERSION_MAJOR < 2
- NULL,
-#endif
- &prompts,
- (SASL_CONST char **)&ccred.bv_val,
- &credlen,
- &mech );
-
- if( pmech == NULL && mech != NULL ) {
- pmech = mech;
-
- if( flags != LDAP_SASL_QUIET ) {
- fprintf(stderr,
- "SASL/%s authentication started\n",
- pmech );
- }
- }
-
-#if SASL_VERSION_MAJOR >= 2
- /* XXX the application should free interact results. */
- if ( prompts != NULL && prompts->result != NULL ) {
- LDAP_FREE( (void *)prompts->result );
- prompts->result = NULL;
- }
-#endif
-
- if( saslrc == SASL_INTERACT ) {
- int res;
- if( !interact ) break;
- res = (interact)( ld, flags, defaults, prompts );
- if( res != LDAP_SUCCESS ) {
- break;
- }
- }
- } while ( saslrc == SASL_INTERACT );
-
- ccred.bv_len = credlen;
-
- if ( (saslrc != SASL_OK) && (saslrc != SASL_CONTINUE) ) {
- ld->ld_errno = sasl_err2ldap( saslrc );
-#if SASL_VERSION_MAJOR >= 2
- ld->ld_error = (char *)sasl_errdetail( ctx );
-#endif
- return ld->ld_errno;
- }
-
- do {
- struct berval *scred;
- unsigned credlen;
-
- scred = NULL;
-
- rc = ldap_sasl_bind_s( ld, dn, mech, &ccred, sctrls, cctrls, &scred );
-
- if ( ccred.bv_val != NULL ) {
-#if SASL_VERSION_MAJOR < 2
- LDAP_FREE( ccred.bv_val );
-#endif
- ccred.bv_val = NULL;
- }
-
- if ( rc != LDAP_SUCCESS && rc != LDAP_SASL_BIND_IN_PROGRESS ) {
- if( scred && scred->bv_len ) {
- /* 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
- ber_bvfree( scred );
- }
- return ld->ld_errno;
- }
-
- 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 );
-#endif
- ber_bvfree( scred );
- return ld->ld_errno = LDAP_LOCAL_ERROR;
- }
- break;
- }
-
- do {
- saslrc = sasl_client_step( ctx,
- (scred == NULL) ? NULL : scred->bv_val,
- (scred == NULL) ? 0 : scred->bv_len,
- &prompts,
- (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 SASL_VERSION_MAJOR >= 2
- /* XXX the application should free interact results. */
- if ( prompts != NULL && prompts->result != NULL ) {
- LDAP_FREE( (void *)prompts->result );
- prompts->result = NULL;
- }
-#endif
-
- if( saslrc == SASL_INTERACT ) {
- int res;
- if( !interact ) break;
- res = (interact)( ld, flags, defaults, prompts );
- if( res != LDAP_SUCCESS ) {
- break;
- }
- }
- } while ( saslrc == SASL_INTERACT );
-
- ccred.bv_len = credlen;
- ber_bvfree( scred );
-
- if ( (saslrc != SASL_OK) && (saslrc != SASL_CONTINUE) ) {
- ld->ld_errno = sasl_err2ldap( saslrc );
-#if SASL_VERSION_MAJOR >= 2
- ld->ld_error = (char *)sasl_errdetail( ctx );
-#endif
- return ld->ld_errno;
- }
- } while ( rc == LDAP_SASL_BIND_IN_PROGRESS );
-
- if ( rc != LDAP_SUCCESS ) {
- return rc;
- }
-
- if ( saslrc != SASL_OK ) {
-#if SASL_VERSION_MAJOR >= 2
- ld->ld_error = (char *)sasl_errdetail( ctx );
-#endif
- return ld->ld_errno = sasl_err2ldap( saslrc );
- }
-
- if( flags != LDAP_SASL_QUIET ) {
- saslrc = sasl_getprop( ctx, SASL_USERNAME, (SASL_CONST void **) &data );
- if( saslrc == SASL_OK && data && *data ) {
- fprintf( stderr, "SASL username: %s\n", data );
- }
-
-#if SASL_VERSION_MAJOR >= 2
- saslrc = sasl_getprop( ctx, SASL_DEFUSERREALM, (SASL_CONST void **) &data );
-#else
- saslrc = sasl_getprop( ctx, SASL_REALM, (SASL_CONST void **) &data );
-#endif
- if( saslrc == SASL_OK && data && *data ) {
- fprintf( stderr, "SASL realm: %s\n", data );
- }
- }
-
- saslrc = sasl_getprop( ctx, SASL_SSF, (SASL_CONST void **) &ssf );
- if( saslrc == SASL_OK ) {
- if( flags != LDAP_SASL_QUIET ) {
- fprintf( stderr, "SASL SSF: %lu\n",
- (unsigned long) *ssf );
- }
-
- if( ssf && *ssf ) {
- if( flags != LDAP_SASL_QUIET ) {
- fprintf( stderr, "SASL installing layers\n" );
- }
- ldap_pvt_sasl_install( ld->ld_conns->lconn_sb, ctx );
- }
- }
-
- return rc;
-}
-
-int
-ldap_int_sasl_external(
- LDAP *ld,
- LDAPConn *conn,
- const char * authid,
- ber_len_t ssf )
-{
- int sc;
- sasl_conn_t *ctx;
-#if SASL_VERSION_MAJOR < 2
- sasl_external_properties_t extprops;
-#endif
-
- ctx = conn->lconn_sasl_ctx;
-
- if ( ctx == NULL ) {
- return LDAP_LOCAL_ERROR;
- }
-
-#if SASL_VERSION_MAJOR >= 2
- sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL, &ssf );
- if ( sc == SASL_OK )
- sc = sasl_setprop( ctx, SASL_AUTH_EXTERNAL, authid );
-#else
- memset( &extprops, '\0', sizeof(extprops) );
- extprops.ssf = ssf;
- extprops.auth_id = (char *) authid;
-
- sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL,
- (void *) &extprops );
-#endif
-
- if ( sc != SASL_OK ) {
- return LDAP_LOCAL_ERROR;
- }
-
- return LDAP_SUCCESS;
-}
-
-
-int ldap_pvt_sasl_secprops(
- const char *in,
- sasl_security_properties_t *secprops )
-{
- int i;
- char **props = ldap_str2charray( in, "," );
- unsigned sflags = 0;
- int got_sflags = 0;
- sasl_ssf_t max_ssf = 0;
- int got_max_ssf = 0;
- sasl_ssf_t min_ssf = 0;
- int got_min_ssf = 0;
- unsigned maxbufsize = 0;
- int got_maxbufsize = 0;
-
- if( props == NULL || secprops == 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")] );
- } else {
- return LDAP_NOT_SUPPORTED;
- }
-
- } 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 {
- return LDAP_NOT_SUPPORTED;
- }
- }
-
- if(got_sflags) {
- secprops->security_flags = sflags;
- }
- if(got_min_ssf) {
- secprops->min_ssf = min_ssf;
- }
- if(got_max_ssf) {
- secprops->max_ssf = max_ssf;
- }
- if(got_maxbufsize) {
- secprops->maxbufsize = maxbufsize;
- }
-
- ldap_charray_free( props );
- return LDAP_SUCCESS;
-}
-
-int
-ldap_int_sasl_config( struct ldapoptions *lo, int option, const char *arg )
-{
- int rc;
-
- switch( option ) {
- case LDAP_OPT_X_SASL_SECPROPS:
- rc = ldap_pvt_sasl_secprops( arg, &lo->ldo_sasl_secprops );
- if( rc == LDAP_SUCCESS ) return 0;
- }
-
- return -1;
-}
-
-int
-ldap_int_sasl_get_option( LDAP *ld, int option, void *arg )
-{
- if ( ld == NULL )
- return -1;
-
- switch ( option ) {
- case LDAP_OPT_X_SASL_MECH: {
- *(char **)arg = ld->ld_options.ldo_def_sasl_mech
- ? LDAP_STRDUP( ld->ld_options.ldo_def_sasl_mech ) : NULL;
- } break;
- case LDAP_OPT_X_SASL_REALM: {
- *(char **)arg = ld->ld_options.ldo_def_sasl_realm
- ? LDAP_STRDUP( ld->ld_options.ldo_def_sasl_realm ) : NULL;
- } break;
- case LDAP_OPT_X_SASL_AUTHCID: {
- *(char **)arg = ld->ld_options.ldo_def_sasl_authcid
- ? LDAP_STRDUP( ld->ld_options.ldo_def_sasl_authcid ) : NULL;
- } break;
- case LDAP_OPT_X_SASL_AUTHZID: {
- *(char **)arg = ld->ld_options.ldo_def_sasl_authzid
- ? LDAP_STRDUP( ld->ld_options.ldo_def_sasl_authzid ) : NULL;
- } break;
-
- case LDAP_OPT_X_SASL_SSF: {
- int sc;
- sasl_ssf_t *ssf;
- sasl_conn_t *ctx;
-
- if( ld->ld_defconn == NULL ) {
- return -1;
- }
-
- ctx = ld->ld_defconn->lconn_sasl_ctx;
-
- if ( ctx == NULL ) {
- return -1;
- }
-
- sc = sasl_getprop( ctx, SASL_SSF,
- (SASL_CONST void **) &ssf );
-
- if ( sc != SASL_OK ) {
- return -1;
- }
-
- *(ber_len_t *)arg = *ssf;
- } break;
-
- case LDAP_OPT_X_SASL_SSF_EXTERNAL:
- /* this option is write only */
- return -1;
-
- case LDAP_OPT_X_SASL_SSF_MIN:
- *(ber_len_t *)arg = ld->ld_options.ldo_sasl_secprops.min_ssf;
- break;
- case LDAP_OPT_X_SASL_SSF_MAX:
- *(ber_len_t *)arg = ld->ld_options.ldo_sasl_secprops.max_ssf;
- break;
- case LDAP_OPT_X_SASL_MAXBUFSIZE:
- *(ber_len_t *)arg = ld->ld_options.ldo_sasl_secprops.maxbufsize;
- break;
-
- case LDAP_OPT_X_SASL_SECPROPS:
- /* this option is write only */
- return -1;
-
- default:
- return -1;
- }
- return 0;
-}
-
-int
-ldap_int_sasl_set_option( LDAP *ld, int option, void *arg )
-{
- if ( ld == NULL )
- return -1;
-
- switch ( option ) {
- case LDAP_OPT_X_SASL_SSF:
- /* This option is read-only */
- return -1;
-
- case LDAP_OPT_X_SASL_SSF_EXTERNAL: {
- int sc;
-#if SASL_VERSION_MAJOR < 2
- sasl_external_properties_t extprops;
-#endif
- sasl_conn_t *ctx;
-
- if( ld->ld_defconn == NULL ) {
- return -1;
- }
-
- ctx = ld->ld_defconn->lconn_sasl_ctx;
-
- if ( ctx == NULL ) {
- return -1;
- }
-
-#if SASL_VERSION_MAJOR >= 2
- sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL, arg);
-#else
- memset(&extprops, 0L, sizeof(extprops));
-
- extprops.ssf = * (ber_len_t *) arg;
-
- sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL,
- (void *) &extprops );
-#endif
-
- if ( sc != SASL_OK ) {
- return -1;
- }
- } break;
-
- case LDAP_OPT_X_SASL_SSF_MIN:
- ld->ld_options.ldo_sasl_secprops.min_ssf = *(ber_len_t *)arg;
- break;
- case LDAP_OPT_X_SASL_SSF_MAX:
- ld->ld_options.ldo_sasl_secprops.max_ssf = *(ber_len_t *)arg;
- break;
- case LDAP_OPT_X_SASL_MAXBUFSIZE:
- ld->ld_options.ldo_sasl_secprops.maxbufsize = *(ber_len_t *)arg;
- break;
-
- case LDAP_OPT_X_SASL_SECPROPS: {
- int sc;
- sc = ldap_pvt_sasl_secprops( (char *) arg,
- &ld->ld_options.ldo_sasl_secprops );
-
- return sc == LDAP_SUCCESS ? 0 : -1;
- }
-
- default:
- return -1;
- }
- return 0;
-}
-
-#ifdef LDAP_R_COMPILE
-#define LDAP_DEBUG_R_SASL
-void *ldap_pvt_sasl_mutex_new(void)
-{
- ldap_pvt_thread_mutex_t *mutex;
-
- mutex = (ldap_pvt_thread_mutex_t *) LDAP_MALLOC(
- sizeof(ldap_pvt_thread_mutex_t) );
-
- if ( ldap_pvt_thread_mutex_init( mutex ) == 0 ) {
- return mutex;
- }
-#ifndef LDAP_DEBUG_R_SASL
- assert( 0 );
-#endif /* !LDAP_DEBUG_R_SASL */
- return NULL;
-}
-
-int ldap_pvt_sasl_mutex_lock(void *mutex)
-{
-#ifdef LDAP_DEBUG_R_SASL
- if ( mutex == NULL ) {
- return SASL_OK;
- }
-#else /* !LDAP_DEBUG_R_SASL */
- assert( mutex );
-#endif /* !LDAP_DEBUG_R_SASL */
- return ldap_pvt_thread_mutex_lock( (ldap_pvt_thread_mutex_t *)mutex )
- ? SASL_FAIL : SASL_OK;
-}
-
-int ldap_pvt_sasl_mutex_unlock(void *mutex)
-{
-#ifdef LDAP_DEBUG_R_SASL
- if ( mutex == NULL ) {
- return SASL_OK;
- }
-#else /* !LDAP_DEBUG_R_SASL */
- assert( mutex );
-#endif /* !LDAP_DEBUG_R_SASL */
- return ldap_pvt_thread_mutex_unlock( (ldap_pvt_thread_mutex_t *)mutex )
- ? SASL_FAIL : SASL_OK;
-}
-
-void ldap_pvt_sasl_mutex_dispose(void *mutex)
-{
-#ifdef LDAP_DEBUG_R_SASL
- if ( mutex == NULL ) {
- return;
- }
-#else /* !LDAP_DEBUG_R_SASL */
- assert( mutex );
-#endif /* !LDAP_DEBUG_R_SASL */
- (void) ldap_pvt_thread_mutex_destroy( (ldap_pvt_thread_mutex_t *)mutex );
- LDAP_FREE( mutex );
-}
-#endif
-
-#else
-int ldap_int_sasl_init( void )
-{ return LDAP_SUCCESS; }
-
-int ldap_int_sasl_close( LDAP *ld, LDAPConn *lc )
-{ return LDAP_SUCCESS; }
-
-int
-ldap_int_sasl_bind(
- LDAP *ld,
- const char *dn,
- const char *mechs,
- LDAPControl **sctrls,
- LDAPControl **cctrls,
- unsigned flags,
- LDAP_SASL_INTERACT_PROC *interact,
- void * defaults )
-{ return LDAP_NOT_SUPPORTED; }
-
-int
-ldap_int_sasl_external(
- LDAP *ld,
- LDAPConn *conn,
- const char * authid,
- ber_len_t ssf )
-{ return LDAP_SUCCESS; }
-
-#endif /* HAVE_CYRUS_SASL */
projects / openldap / commitdiff