X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=libraries%2Flibldap%2Fsasl.c;h=8238c4cf20b59f66bfbf574ed3bf9b6c074b15ec;hb=68a2cd78fd09fa77c166b0502ffe76278402e1a0;hp=eaf32b1a80eab6a75a7eff3d27ef90194f066ae7;hpb=80e5e3fead0f0af54f54cb49bc8d5981538f2588;p=openldap diff --git a/libraries/libldap/sasl.c b/libraries/libldap/sasl.c index eaf32b1a80..8238c4cf20 100644 --- a/libraries/libldap/sasl.c +++ b/libraries/libldap/sasl.c @@ -1,6 +1,16 @@ -/* - * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved. - * COPYING RESTRICTIONS APPLY, see COPYRIGHT file +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software . + * + * 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 + * . */ /* @@ -9,10 +19,8 @@ * name DistinguishedName, -- who * authentication CHOICE { * simple [0] OCTET STRING -- passwd -#ifdef HAVE_KERBEROS - * krbv42ldap [1] OCTET STRING - * krbv42dsa [2] OCTET STRING -#endif + * krbv42ldap [1] OCTET STRING -- OBSOLETE + * krbv42dsa [2] OCTET STRING -- OBSOLETE * sasl [3] SaslCredentials -- LDAPv3 * } * } @@ -29,20 +37,22 @@ #include #include +#include #include #include +#include #include "ldap-int.h" - /* - * ldap_sasl_bind - bind to the ldap server (and X.500). The dn, mechanism, and - * credentials of the entry to which to bind are supplied. The message id - * of the request initiated is provided upon successful (LDAP_SUCCESS) return. + * ldap_sasl_bind - bind to the ldap server (and X.500). + * The dn (usually NULL), mechanism, and credentials are provided. + * The message id of the request initiated is provided upon successful + * (LDAP_SUCCESS) return. * * Example: - * ldap_sasl_bind( ld, "cn=manager, o=university of michigan, c=us", - * "mechanism", "secret", NULL, NULL, &msgid ) + * ldap_sasl_bind( ld, NULL, "mechanism", + * cred, NULL, NULL, &msgid ) */ int @@ -57,6 +67,7 @@ ldap_sasl_bind( { BerElement *ber; int rc; + ber_int_t id; Debug( LDAP_DEBUG_TRACE, "ldap_sasl_bind\n", 0, 0, 0 ); @@ -64,20 +75,24 @@ ldap_sasl_bind( assert( LDAP_VALID( ld ) ); assert( msgidp != NULL ); - if( msgidp == NULL ) { - ld->ld_errno = LDAP_PARAM_ERROR; - return ld->ld_errno; - } + /* check client controls */ + rc = ldap_int_client_controls( ld, cctrls ); + if( rc != LDAP_SUCCESS ) return rc; - if( mechanism != LDAP_SASL_SIMPLE - && ld->ld_version < LDAP_VERSION3) - { + if( mechanism == LDAP_SASL_SIMPLE ) { + if( dn == NULL && cred != NULL && cred->bv_len ) { + /* use default binddn */ + dn = ld->ld_defbinddn; + } + + } else if( ld->ld_version < LDAP_VERSION3 ) { ld->ld_errno = LDAP_NOT_SUPPORTED; return ld->ld_errno; } - if ( dn == NULL ) + if ( dn == NULL ) { dn = ""; + } /* create a message to send */ if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) { @@ -85,26 +100,27 @@ ldap_sasl_bind( return ld->ld_errno; } - assert( BER_VALID( ber ) ); + assert( LBER_VALID( ber ) ); + LDAP_NEXT_MSGID( ld, id ); if( mechanism == LDAP_SASL_SIMPLE ) { /* simple bind */ - rc = ber_printf( ber, "{it{istO}" /*}*/, - ++ld->ld_msgid, LDAP_REQ_BIND, + rc = ber_printf( ber, "{it{istON}" /*}*/, + id, LDAP_REQ_BIND, ld->ld_version, dn, LDAP_AUTH_SIMPLE, cred ); - } else if ( cred == NULL ) { - /* SASL bind w/o creditials */ - rc = ber_printf( ber, "{it{ist{s}}" /*}*/, - ++ld->ld_msgid, LDAP_REQ_BIND, + } else if ( cred == NULL || cred->bv_val == NULL ) { + /* SASL bind w/o credentials */ + rc = ber_printf( ber, "{it{ist{sN}N}" /*}*/, + id, LDAP_REQ_BIND, ld->ld_version, dn, LDAP_AUTH_SASL, mechanism ); } else { - /* SASL bind w/ creditials */ - rc = ber_printf( ber, "{it{ist{sO}}" /*}*/, - ++ld->ld_msgid, LDAP_REQ_BIND, + /* SASL bind w/ credentials */ + rc = ber_printf( ber, "{it{ist{sON}N}" /*}*/, + id, LDAP_REQ_BIND, ld->ld_version, dn, LDAP_AUTH_SASL, mechanism, cred ); } @@ -121,20 +137,15 @@ ldap_sasl_bind( return ld->ld_errno; } - if ( ber_printf( ber, /*{*/ "}" ) == -1 ) { + if ( ber_printf( ber, /*{*/ "N}" ) == -1 ) { ld->ld_errno = LDAP_ENCODING_ERROR; ber_free( ber, 1 ); return ld->ld_errno; } -#ifndef LDAP_NOCACHE - if ( ld->ld_cache != NULL ) { - ldap_flush_cache( ld ); - } -#endif /* !LDAP_NOCACHE */ /* send the message */ - *msgidp = ldap_send_initial_request( ld, LDAP_REQ_BIND, dn, ber ); + *msgidp = ldap_send_initial_request( ld, LDAP_REQ_BIND, dn, ber, id ); if(*msgidp < 0) return ld->ld_errno; @@ -142,16 +153,6 @@ ldap_sasl_bind( return LDAP_SUCCESS; } -/* - * ldap_sasl_bind_s - bind to the ldap server (and X.500) using simple - * authentication. The dn and password of the entry to which to bind are - * supplied. LDAP_SUCCESS is returned upon success, the ldap error code - * otherwise. - * - * Example: - * ldap_sasl_bind_s( ld, "cn=manager, o=university of michigan, c=us", - * "mechanism", "secret", NULL, NULL, &servercred ) - */ int ldap_sasl_bind_s( @@ -184,7 +185,13 @@ ldap_sasl_bind_s( return( rc ); } - if ( ldap_result( ld, msgid, 1, NULL, &result ) == -1 ) { +#ifdef LDAP_CONNECTIONLESS + if (LDAP_IS_UDP(ld)) { + return( rc ); + } +#endif + + if ( ldap_result( ld, msgid, LDAP_MSG_ALL, NULL, &result ) == -1 || !result ) { return( ld->ld_errno ); /* ldap_result sets ld_errno */ } @@ -194,19 +201,21 @@ ldap_sasl_bind_s( rc = ldap_parse_sasl_bind_result( ld, result, &scredp, 0 ); } - if( rc != LDAP_SUCCESS ) { + if ( rc != LDAP_SUCCESS ) { ldap_msgfree( result ); return( rc ); } rc = ldap_result2error( ld, result, 1 ); - if( rc == LDAP_SUCCESS ) { + if ( rc == LDAP_SUCCESS || rc == LDAP_SASL_BIND_IN_PROGRESS ) { if( servercredp != NULL ) { *servercredp = scredp; + scredp = NULL; } + } - } else if (scredp != NULL ) { + if ( scredp != NULL ) { ber_bvfree(scredp); } @@ -215,18 +224,18 @@ ldap_sasl_bind_s( /* - * Parse BindResponse: - * - * BindResponse ::= [APPLICATION 1] SEQUENCE { - * COMPONENTS OF LDAPResult, - * serverSaslCreds [7] OCTET STRING OPTIONAL } - * - * LDAPResult ::= SEQUENCE { - * resultCode ENUMERATED, - * matchedDN LDAPDN, - * errorMessage LDAPString, - * referral [3] Referral OPTIONAL } - */ +* Parse BindResponse: +* +* BindResponse ::= [APPLICATION 1] SEQUENCE { +* COMPONENTS OF LDAPResult, +* serverSaslCreds [7] OCTET STRING OPTIONAL } +* +* LDAPResult ::= SEQUENCE { +* resultCode ENUMERATED, +* matchedDN LDAPDN, +* errorMessage LDAPString, +* referral [3] Referral OPTIONAL } +*/ int ldap_parse_sasl_bind_result( @@ -247,23 +256,18 @@ ldap_parse_sasl_bind_result( assert( LDAP_VALID( ld ) ); assert( res != NULL ); - if ( ld == NULL || res == NULL ) { - return LDAP_PARAM_ERROR; - } - - if(servercredp != NULL) { + if( servercredp != NULL ) { if( ld->ld_version < LDAP_VERSION2 ) { return LDAP_NOT_SUPPORTED; } *servercredp = NULL; } - if( res->lm_msgtype == LDAP_RES_BIND ) { + if( res->lm_msgtype != LDAP_RES_BIND ) { ld->ld_errno = LDAP_PARAM_ERROR; return ld->ld_errno; } - errcode = LDAP_SUCCESS; scred = NULL; if ( ld->ld_error ) { @@ -279,55 +283,519 @@ ldap_parse_sasl_bind_result( ber = ber_dup( res->lm_ber ); + if( ber == NULL ) { + ld->ld_errno = LDAP_NO_MEMORY; + return ld->ld_errno; + } + if ( ld->ld_version < LDAP_VERSION2 ) { - tag = ber_scanf( ber, "{ia}", + tag = ber_scanf( ber, "{iA}", &errcode, &ld->ld_error ); + if( tag == LBER_ERROR ) { + ber_free( ber, 0 ); + ld->ld_errno = LDAP_DECODING_ERROR; + return ld->ld_errno; + } + } else { ber_len_t len; - tag = ber_scanf( ber, "{iaa" /*}*/, + tag = ber_scanf( ber, "{eAA" /*}*/, &errcode, &ld->ld_matched, &ld->ld_error ); - if( tag != LBER_ERROR ) { - tag = ber_peek_tag(ber, &len); + if( tag == LBER_ERROR ) { + ber_free( ber, 0 ); + ld->ld_errno = LDAP_DECODING_ERROR; + return ld->ld_errno; } + tag = ber_peek_tag(ber, &len); + if( tag == LDAP_TAG_REFERRAL ) { /* skip 'em */ - tag = ber_scanf( ber, "x" ); - - if( tag != LBER_ERROR ) { - tag = ber_peek_tag(ber, &len); + if( ber_scanf( ber, "x" ) == LBER_ERROR ) { + ber_free( ber, 0 ); + ld->ld_errno = LDAP_DECODING_ERROR; + return ld->ld_errno; } + + tag = ber_peek_tag(ber, &len); } - /* need to clean out misc items */ if( tag == LDAP_TAG_SASL_RES_CREDS ) { - tag = ber_scanf( ber, "O", &scred ); + if( ber_scanf( ber, "O", &scred ) == LBER_ERROR ) { + ber_free( ber, 0 ); + ld->ld_errno = LDAP_DECODING_ERROR; + return ld->ld_errno; + } } } - if ( tag == LBER_ERROR ) { - errcode = LDAP_DECODING_ERROR; - } - - if( ber != NULL ) { - ber_free( ber, 0 ); - } + ber_free( ber, 0 ); - /* return */ - if ( errcode == LDAP_SUCCESS && servercredp != NULL ) { + if ( servercredp != NULL ) { *servercredp = scred; } else if ( scred != NULL ) { ber_bvfree( scred ); } + ld->ld_errno = errcode; + if ( freeit ) { ldap_msgfree( res ); } - ld->ld_errno = errcode; - return( ld->ld_errno ); + return( LDAP_SUCCESS ); +} + +int +ldap_pvt_sasl_getmechs ( LDAP *ld, char **pmechlist ) +{ + /* we need to query the server for supported mechs anyway */ + LDAPMessage *res, *e; + char *attrs[] = { "supportedSASLMechanisms", NULL }; + char **values, *mechlist; + int rc; + + Debug( LDAP_DEBUG_TRACE, "ldap_pvt_sasl_getmech\n", 0, 0, 0 ); + + rc = ldap_search_s( ld, "", LDAP_SCOPE_BASE, + NULL, attrs, 0, &res ); + + if ( rc != LDAP_SUCCESS ) { + return ld->ld_errno; + } + + e = ldap_first_entry( ld, res ); + if ( e == NULL ) { + ldap_msgfree( res ); + if ( ld->ld_errno == LDAP_SUCCESS ) { + ld->ld_errno = LDAP_NO_SUCH_OBJECT; + } + return ld->ld_errno; + } + + values = ldap_get_values( ld, e, "supportedSASLMechanisms" ); + if ( values == NULL ) { + ldap_msgfree( res ); + ld->ld_errno = LDAP_NO_SUCH_ATTRIBUTE; + return ld->ld_errno; + } + + mechlist = ldap_charray2str( values, " " ); + if ( mechlist == NULL ) { + LDAP_VFREE( values ); + ldap_msgfree( res ); + ld->ld_errno = LDAP_NO_MEMORY; + return ld->ld_errno; + } + + LDAP_VFREE( values ); + ldap_msgfree( res ); + + *pmechlist = mechlist; + + return LDAP_SUCCESS; +} + +/* + * ldap_sasl_interactive_bind_s - interactive SASL authentication + * + * This routine uses interactive callbacks. + * + * LDAP_SUCCESS is returned upon success, the ldap error code + * otherwise. + */ +int +ldap_sasl_interactive_bind_s( + LDAP *ld, + LDAP_CONST char *dn, /* usually NULL */ + LDAP_CONST char *mechs, + LDAPControl **serverControls, + LDAPControl **clientControls, + unsigned flags, + LDAP_SASL_INTERACT_PROC *interact, + void *defaults ) +{ + int rc; + char *smechs = NULL; + +#if defined( HAVE_CYRUS_SASL ) + LDAP_MUTEX_LOCK( &ldap_int_sasl_mutex ); +#endif +#ifdef LDAP_CONNECTIONLESS + if( LDAP_IS_UDP(ld) ) { + /* Just force it to simple bind, silly to make the user + * ask all the time. No, we don't ever actually bind, but I'll + * let the final bind handler take care of saving the cdn. + */ + rc = ldap_simple_bind( ld, dn, NULL ); + rc = rc < 0 ? rc : 0; + goto done; + } else +#endif + +#ifdef HAVE_CYRUS_SASL + if( mechs == NULL || *mechs == '\0' ) { + mechs = ld->ld_options.ldo_def_sasl_mech; + } +#endif + + if( mechs == NULL || *mechs == '\0' ) { + rc = ldap_pvt_sasl_getmechs( ld, &smechs ); + if( rc != LDAP_SUCCESS ) { + goto done; + } + + Debug( LDAP_DEBUG_TRACE, + "ldap_sasl_interactive_bind_s: server supports: %s\n", + smechs, 0, 0 ); + + mechs = smechs; + + } else { + Debug( LDAP_DEBUG_TRACE, + "ldap_sasl_interactive_bind_s: user selected: %s\n", + mechs, 0, 0 ); + } + + rc = ldap_int_sasl_bind( ld, dn, mechs, + serverControls, clientControls, + flags, interact, defaults ); + +done: +#if defined( HAVE_CYRUS_SASL ) + LDAP_MUTEX_UNLOCK( &ldap_int_sasl_mutex ); +#endif + if ( smechs ) LDAP_FREE( smechs ); + + return rc; +} + +#ifdef HAVE_CYRUS_SASL + +#ifdef HAVE_SASL_SASL_H +#include +#else +#include +#endif + +#endif /* HAVE_CYRUS_SASL */ + +static int +sb_sasl_generic_remove( Sockbuf_IO_Desc *sbiod ); + +static int +sb_sasl_generic_setup( Sockbuf_IO_Desc *sbiod, void *arg ) +{ + struct sb_sasl_generic_data *p; + struct sb_sasl_generic_install *i; + + assert( sbiod != NULL ); + + i = (struct sb_sasl_generic_install *)arg; + + p = LBER_MALLOC( sizeof( *p ) ); + if ( p == NULL ) + return -1; + p->ops = i->ops; + p->ops_private = i->ops_private; + p->sbiod = sbiod; + p->flags = 0; + 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 ); + + sbiod->sbiod_pvt = p; + + p->ops->init( p, &p->min_send, &p->max_send, &p->max_recv ); + + if ( ber_pvt_sb_grow_buffer( &p->sec_buf_in, p->min_send ) < 0 ) { + sb_sasl_generic_remove( sbiod ); + sock_errset(ENOMEM); + return -1; + } + + return 0; +} + +static int +sb_sasl_generic_remove( Sockbuf_IO_Desc *sbiod ) +{ + struct sb_sasl_generic_data *p; + + assert( sbiod != NULL ); + + p = (struct sb_sasl_generic_data *)sbiod->sbiod_pvt; + + p->ops->fini(p); + + 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_generic_pkt_length( + struct sb_sasl_generic_data *p, + const unsigned char *buf, + int debuglevel ) +{ + ber_len_t size; + + assert( buf != NULL ); + + size = buf[0] << 24 + | buf[1] << 16 + | buf[2] << 8 + | buf[3]; + + if ( size > p->max_recv ) { + /* somebody is trying to mess me up. */ + ber_log_printf( LDAP_DEBUG_ANY, debuglevel, + "sb_sasl_generic_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_generic_drop_packet ( + struct sb_sasl_generic_data *p, + int debuglevel ) +{ + ber_slen_t len; + + len = p->sec_buf_in.buf_ptr - p->sec_buf_in.buf_end; + if ( len > 0 ) + AC_MEMCPY( p->sec_buf_in.buf_base, p->sec_buf_in.buf_base + + p->sec_buf_in.buf_end, len ); + + if ( len >= 4 ) { + p->sec_buf_in.buf_end = sb_sasl_generic_pkt_length(p, + (unsigned char *) p->sec_buf_in.buf_base, debuglevel); + } + else { + p->sec_buf_in.buf_end = 0; + } + p->sec_buf_in.buf_ptr = len; +} + +static ber_slen_t +sb_sasl_generic_read( Sockbuf_IO_Desc *sbiod, void *buf, ber_len_t len) +{ + struct sb_sasl_generic_data *p; + ber_slen_t ret, bufptr; + + assert( sbiod != NULL ); + assert( SOCKBUF_VALID( sbiod->sbiod_sb ) ); + + p = (struct sb_sasl_generic_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; + + p->ops->reset_buf( p, &p->buf_in ); + + /* 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 + + p->sec_buf_in.buf_ptr, + 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_generic_pkt_length(p, (unsigned char *) p->sec_buf_in.buf_base, + 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 ) + { + sock_errset(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 = p->ops->decode( p, &p->sec_buf_in, &p->buf_in ); + + /* Drop the packet from the input buffer */ + sb_sasl_generic_drop_packet( p, sbiod->sbiod_sb->sb_debug ); + + if ( ret != 0 ) { + ber_log_printf( LDAP_DEBUG_ANY, sbiod->sbiod_sb->sb_debug, + "sb_sasl_generic_read: failed to decode packet\n" ); + sock_errset(EIO); + return -1; + } + + bufptr += ber_pvt_sb_copy_out( &p->buf_in, (char*) buf + bufptr, len ); + + return bufptr; +} + +static ber_slen_t +sb_sasl_generic_write( Sockbuf_IO_Desc *sbiod, void *buf, ber_len_t len) +{ + struct sb_sasl_generic_data *p; + int ret; + ber_len_t len2; + + assert( sbiod != NULL ); + assert( SOCKBUF_VALID( sbiod->sbiod_sb ) ); + + p = (struct sb_sasl_generic_data *)sbiod->sbiod_pvt; + + /* Is 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 ) { + sock_errset(EAGAIN); + return -1; + } + } + + len2 = p->max_send - 100; /* For safety margin */ + len2 = len > len2 ? len2 : len; + + /* If we're just retrying a partial write, tell the + * caller it's done. Let them call again if there's + * still more left to write. + */ + if ( p->flags & LDAP_PVT_SASL_PARTIAL_WRITE ) { + p->flags ^= LDAP_PVT_SASL_PARTIAL_WRITE; + return len2; + } + + /* now encode the next packet. */ + p->ops->reset_buf( p, &p->buf_out ); + + ret = p->ops->encode( p, buf, len2, &p->buf_out ); + + if ( ret != 0 ) { + ber_log_printf( LDAP_DEBUG_ANY, sbiod->sbiod_sb->sb_debug, + "sb_sasl_generic_write: failed to encode packet\n" ); + sock_errset(EIO); + return -1; + } + + ret = ber_pvt_sb_do_write( sbiod, &p->buf_out ); + + if ( ret < 0 ) { + /* error? */ + int err = sock_errno(); + /* caller can retry this */ + if ( err == EAGAIN || err == EWOULDBLOCK || err == EINTR ) + p->flags |= LDAP_PVT_SASL_PARTIAL_WRITE; + return ret; + } else if ( p->buf_out.buf_ptr != p->buf_out.buf_end ) { + /* partial write? pretend nothing got written */ + p->flags |= LDAP_PVT_SASL_PARTIAL_WRITE; + sock_errset(EAGAIN); + len2 = -1; + } + + /* return number of bytes encoded, not written, to ensure + * no byte is encoded twice (even if only sent once). + */ + return len2; +} + +static int +sb_sasl_generic_ctrl( Sockbuf_IO_Desc *sbiod, int opt, void *arg ) +{ + struct sb_sasl_generic_data *p; + + p = (struct sb_sasl_generic_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_generic = { + sb_sasl_generic_setup, /* sbi_setup */ + sb_sasl_generic_remove, /* sbi_remove */ + sb_sasl_generic_ctrl, /* sbi_ctrl */ + sb_sasl_generic_read, /* sbi_read */ + sb_sasl_generic_write, /* sbi_write */ + NULL /* sbi_close */ +}; + +int ldap_pvt_sasl_generic_install( + Sockbuf *sb, + struct sb_sasl_generic_install *install_arg ) +{ + Debug( LDAP_DEBUG_TRACE, "ldap_pvt_sasl_generic_install\n", + 0, 0, 0 ); + + /* 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_generic ) ) + { +#ifdef LDAP_DEBUG + ber_sockbuf_add_io( sb, &ber_sockbuf_io_debug, + LBER_SBIOD_LEVEL_APPLICATION, (void *)"sasl_generic_" ); +#endif + ber_sockbuf_add_io( sb, &ldap_pvt_sockbuf_io_sasl_generic, + LBER_SBIOD_LEVEL_APPLICATION, install_arg ); + } + + return LDAP_SUCCESS; +} + +void ldap_pvt_sasl_generic_remove( Sockbuf *sb ) +{ + ber_sockbuf_remove_io( sb, &ldap_pvt_sockbuf_io_sasl_generic, + LBER_SBIOD_LEVEL_APPLICATION ); +#ifdef LDAP_DEBUG + ber_sockbuf_remove_io( sb, &ber_sockbuf_io_debug, + LBER_SBIOD_LEVEL_APPLICATION ); +#endif }