]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/config.c
Add BackendInfo.bi_extra for backend custom APIs
[openldap] / servers / slapd / config.c
index 8e8558c053b72ea06e576859d2f3cc1757409e48..70a5a6375fd80a2ec5e1f84b364f30289ff7b293 100644 (file)
 #include "slapi/slapi.h"
 #endif
 #include "lutil.h"
+#include "lutil_ldap.h"
 #include "config.h"
 
+#ifdef HAVE_TLS
+#include <openssl/ssl.h>
+#endif
+
 #define ARGS_STEP      512
 
 /*
@@ -116,17 +121,20 @@ ConfigTable *config_find_keyword(ConfigTable *Conf, ConfigArgs *c) {
 }
 
 int config_check_vals(ConfigTable *Conf, ConfigArgs *c, int check_only ) {
-       int rc, arg_user, arg_type, iarg;
+       int rc, arg_user, arg_type, arg_syn, iarg;
        long larg;
        ber_len_t barg;
        
-       arg_type = Conf->arg_type;
-       if(arg_type == ARG_IGNORED) {
+       if(Conf->arg_type == ARG_IGNORED) {
                Debug(LDAP_DEBUG_CONFIG, "%s: keyword <%s> ignored\n",
                        c->log, Conf->name, 0);
                return(0);
        }
-       if((arg_type & ARG_DN) && c->argc == 1) {
+       arg_type = Conf->arg_type & ARGS_TYPES;
+       arg_user = Conf->arg_type & ARGS_USERLAND;
+       arg_syn = Conf->arg_type & ARGS_SYNTAX;
+
+       if((arg_type == ARG_DN) && c->argc == 1) {
                c->argc = 2;
                c->argv[1] = "";
        }
@@ -142,55 +150,71 @@ int config_check_vals(ConfigTable *Conf, ConfigArgs *c, int check_only ) {
                snprintf( c->msg, sizeof( c->msg ), "<%s> extra cruft after <%s>",
                        c->argv[0], Conf->what );
 
-#ifdef LDAP_DEVEL
                ignored = "";
-#endif /* LDAP_DEVEL */
                Debug(LDAP_DEBUG_CONFIG, "%s: %s%s.\n",
                                c->log, c->msg, ignored );
-#ifdef LDAP_DEVEL
                return(ARG_BAD_CONF);
-#endif /* LDAP_DEVEL */
        }
-       if((arg_type & ARG_DB) && !c->be) {
+       if((arg_syn & ARG_DB) && !c->be) {
                snprintf( c->msg, sizeof( c->msg ), "<%s> only allowed within database declaration",
                        c->argv[0] );
                Debug(LDAP_DEBUG_CONFIG, "%s: keyword %s\n",
                        c->log, c->msg, 0);
                return(ARG_BAD_CONF);
        }
-       if((arg_type & ARG_PRE_BI) && c->bi) {
+       if((arg_syn & ARG_PRE_BI) && c->bi) {
                snprintf( c->msg, sizeof( c->msg ), "<%s> must occur before any backend %sdeclaration",
-                       c->argv[0], (arg_type & ARG_PRE_DB) ? "or database " : "" );
+                       c->argv[0], (arg_syn & ARG_PRE_DB) ? "or database " : "" );
                Debug(LDAP_DEBUG_CONFIG, "%s: keyword %s\n",
                        c->log, c->msg, 0 );
                return(ARG_BAD_CONF);
        }
-       if((arg_type & ARG_PRE_DB) && c->be && c->be != frontendDB) {
+       if((arg_syn & ARG_PRE_DB) && c->be && c->be != frontendDB) {
                snprintf( c->msg, sizeof( c->msg ), "<%s> must occur before any database declaration",
                        c->argv[0] );
                Debug(LDAP_DEBUG_CONFIG, "%s: keyword %s\n",
                        c->log, c->msg, 0);
                return(ARG_BAD_CONF);
        }
-       if((arg_type & ARG_PAREN) && *c->argv[1] != '(' /*')'*/) {
+       if((arg_syn & ARG_PAREN) && *c->argv[1] != '(' /*')'*/) {
                snprintf( c->msg, sizeof( c->msg ), "<%s> old format not supported", c->argv[0] );
                Debug(LDAP_DEBUG_CONFIG, "%s: %s\n",
                        c->log, c->msg, 0);
                return(ARG_BAD_CONF);
        }
-       if((arg_type & ARGS_POINTER) && !Conf->arg_item && !(arg_type & ARG_OFFSET)) {
+       if(arg_type && !Conf->arg_item && !(arg_syn & ARG_OFFSET)) {
                snprintf( c->msg, sizeof( c->msg ), "<%s> invalid config_table, arg_item is NULL",
                        c->argv[0] );
                Debug(LDAP_DEBUG_CONFIG, "%s: %s\n",
                        c->log, c->msg, 0);
                return(ARG_BAD_CONF);
        }
-       c->type = arg_user = (arg_type & ARGS_USERLAND);
+       c->type = arg_user;
        memset(&c->values, 0, sizeof(c->values));
-       if(arg_type & ARGS_NUMERIC) {
+       if(arg_type == ARG_STRING) {
+               if ( !check_only )
+                       c->value_string = ch_strdup(c->argv[1]);
+       } else if(arg_type == ARG_BERVAL) {
+               if ( !check_only )
+                       ber_str2bv( c->argv[1], 0, 1, &c->value_bv );
+       } else if(arg_type == ARG_DN) {
+               struct berval bv;
+               ber_str2bv( c->argv[1], 0, 0, &bv );
+               rc = dnPrettyNormal( NULL, &bv, &c->value_dn, &c->value_ndn, NULL );
+               if ( rc != LDAP_SUCCESS ) {
+                       snprintf( c->msg, sizeof( c->msg ), "<%s> invalid DN %d (%s)",
+                               c->argv[0], rc, ldap_err2string( rc ));
+                       Debug(LDAP_DEBUG_CONFIG, "%s: %s\n" , c->log, c->msg, 0);
+                       return(ARG_BAD_CONF);
+               }
+               if ( check_only ) {
+                       ch_free( c->value_ndn.bv_val );
+                       ch_free( c->value_dn.bv_val );
+               }
+       } else {        /* all numeric */
                int j;
                iarg = 0; larg = 0; barg = 0;
-               switch(arg_type & ARGS_NUMERIC) {
+               switch(arg_type) {
                        case ARG_INT:
                                if ( lutil_atoix( &iarg, c->argv[1], 0 ) != 0 ) {
                                        snprintf( c->msg, sizeof( c->msg ),
@@ -254,32 +278,12 @@ int config_check_vals(ConfigTable *Conf, ConfigArgs *c, int check_only ) {
                                c->log, c->msg, 0 );
                        return(ARG_BAD_CONF);
                }
-               switch(arg_type & ARGS_NUMERIC) {
+               switch(arg_type) {
                        case ARG_ON_OFF:
                        case ARG_INT:           c->value_int = iarg;            break;
                        case ARG_LONG:          c->value_long = larg;           break;
                        case ARG_BER_LEN_T:     c->value_ber_t = barg;          break;
                }
-       } else if(arg_type & ARG_STRING) {
-               if ( !check_only )
-                       c->value_string = ch_strdup(c->argv[1]);
-       } else if(arg_type & ARG_BERVAL) {
-               if ( !check_only )
-                       ber_str2bv( c->argv[1], 0, 1, &c->value_bv );
-       } else if(arg_type & ARG_DN) {
-               struct berval bv;
-               ber_str2bv( c->argv[1], 0, 0, &bv );
-               rc = dnPrettyNormal( NULL, &bv, &c->value_dn, &c->value_ndn, NULL );
-               if ( rc != LDAP_SUCCESS ) {
-                       snprintf( c->msg, sizeof( c->msg ), "<%s> invalid DN %d (%s)",
-                               c->argv[0], rc, ldap_err2string( rc ));
-                       Debug(LDAP_DEBUG_CONFIG, "%s: %s\n" , c->log, c->msg, 0);
-                       return(ARG_BAD_CONF);
-               }
-               if ( check_only ) {
-                       ch_free( c->value_ndn.bv_val );
-                       ch_free( c->value_dn.bv_val );
-               }
        }
        return 0;
 }
@@ -308,7 +312,8 @@ int config_set_vals(ConfigTable *Conf, ConfigArgs *c) {
                return(0);
        }
        if(arg_type & ARG_OFFSET) {
-               if (c->be)
+               if (c->be && (!overlay_is_over(c->be) || 
+                       ((slap_overinfo *)c->be->bd_info)->oi_orig == c->bi))
                        ptr = c->be->be_private;
                else if (c->bi)
                        ptr = c->bi->bi_private;
@@ -320,11 +325,11 @@ int config_set_vals(ConfigTable *Conf, ConfigArgs *c) {
                        return(ARG_BAD_CONF);
                }
                ptr = (void *)((char *)ptr + (long)Conf->arg_item);
-       } else if (arg_type & ARGS_POINTER) {
+       } else if (arg_type & ARGS_TYPES) {
                ptr = Conf->arg_item;
        }
-       if(arg_type & ARGS_POINTER)
-               switch(arg_type & ARGS_POINTER) {
+       if(arg_type & ARGS_TYPES)
+               switch(arg_type & ARGS_TYPES) {
                        case ARG_ON_OFF:
                        case ARG_INT:           *(int*)ptr = c->value_int;                      break;
                        case ARG_LONG:          *(long*)ptr = c->value_long;                    break;
@@ -399,7 +404,8 @@ config_get_vals(ConfigTable *cf, ConfigArgs *c)
                if ( rc ) return rc;
        } else {
                if ( cf->arg_type & ARG_OFFSET ) {
-                       if ( c->be )
+                       if (c->be && (!overlay_is_over(c->be) || 
+                               ((slap_overinfo *)c->be->bd_info)->oi_orig == c->bi))
                                ptr = c->be->be_private;
                        else if ( c->bi )
                                ptr = c->bi->bi_private;
@@ -410,7 +416,7 @@ config_get_vals(ConfigTable *cf, ConfigArgs *c)
                        ptr = cf->arg_item;
                }
                
-               switch(cf->arg_type & ARGS_POINTER) {
+               switch(cf->arg_type & ARGS_TYPES) {
                case ARG_ON_OFF:
                case ARG_INT:   c->value_int = *(int *)ptr; break;
                case ARG_LONG:  c->value_long = *(long *)ptr; break;
@@ -423,9 +429,10 @@ config_get_vals(ConfigTable *cf, ConfigArgs *c)
                        ber_dupbv( &c->value_bv, (struct berval *)ptr ); break;
                }
        }
-       if ( cf->arg_type & ARGS_POINTER) {
+       if ( cf->arg_type & ARGS_TYPES) {
+               bv.bv_len = 0;
                bv.bv_val = c->log;
-               switch(cf->arg_type & ARGS_POINTER) {
+               switch(cf->arg_type & ARGS_TYPES) {
                case ARG_INT: bv.bv_len = snprintf(bv.bv_val, sizeof( c->log ), "%d", c->value_int); break;
                case ARG_LONG: bv.bv_len = snprintf(bv.bv_val, sizeof( c->log ), "%ld", c->value_long); break;
                case ARG_BER_LEN_T: bv.bv_len = snprintf(bv.bv_val, sizeof( c->log ), "%ld", c->value_ber_t); break;
@@ -445,14 +452,19 @@ config_get_vals(ConfigTable *cf, ConfigArgs *c)
                                return 1;
                        }
                        break;
+               default:
+                       bv.bv_val = NULL;
+                       break;
                }
                if (bv.bv_val == c->log && bv.bv_len >= sizeof( c->log ) ) {
                        return 1;
                }
-               if (( cf->arg_type & ARGS_POINTER ) == ARG_STRING )
+               if (( cf->arg_type & ARGS_TYPES ) == ARG_STRING ) {
                        ber_bvarray_add(&c->rvalue_vals, &bv);
-               else
+               } else if ( !BER_BVISNULL( &bv ) ) {
                        value_add_one(&c->rvalue_vals, &bv);
+               }
+               /* else: maybe c->rvalue_vals already set? */
        }
        return rc;
 }
@@ -497,6 +509,10 @@ init_config_attrs(ConfigTable *ct) {
                        fprintf( stderr, "init_config_attrs: AttributeType \"%s\": %s\n",
                                ct[i].attribute, err );
                        return code;
+               } else {
+#ifndef LDAP_DEVEL
+                       ct[i].ad->ad_type->sat_flags |= SLAP_AT_HIDE;
+#endif
                }
        }
 
@@ -527,10 +543,14 @@ init_config_ocs( ConfigOCs *ocs ) {
                        return code;
                }
                ocs[i].co_oc = oc_find(oc->oc_names[0]);
-               if ( code )
+               if ( code ) {
                        ldap_objectclass_free(oc);
-               else
+               } else {
                        ldap_memfree(oc);
+#ifndef LDAP_DEVEL
+                       ocs[i].co_oc->soc_flags |= SLAP_OC_HIDE;
+#endif
+               }
        }
        return 0;
 }
@@ -552,7 +572,7 @@ strtok_quote_ldif( char **line )
        if ( !ptr || !*ptr )
                return NULL;
 
-       while( isspace( *ptr )) ptr++;
+       while( isspace( (unsigned char) *ptr )) ptr++;
 
        if ( *ptr == '"' ) {
                inquote = 1;
@@ -563,7 +583,7 @@ strtok_quote_ldif( char **line )
 
        for (;*ptr;ptr++) {
                if ( *ptr == '"' ) {
-                       if ( inquote && ( !ptr[1] || isspace(ptr[1]))) {
+                       if ( inquote && ( !ptr[1] || isspace((unsigned char) ptr[1]))) {
                                *ptr++ = '\0';
                                break;
                        }
@@ -573,7 +593,7 @@ strtok_quote_ldif( char **line )
                }
                if ( inquote )
                        continue;
-               if ( isspace( *ptr )) {
+               if ( isspace( (unsigned char) *ptr )) {
                        *ptr++ = '\0';
                        break;
                }
@@ -587,7 +607,7 @@ strtok_quote_ldif( char **line )
        if ( !*ptr ) {
                *line = NULL;
        } else {
-               while ( isspace( *ptr )) ptr++;
+               while ( isspace( (unsigned char) *ptr )) ptr++;
                *line = ptr;
        }
        return beg;
@@ -864,14 +884,21 @@ done:
 /* restrictops, allows, disallows, requires, loglevel */
 
 int
-verb_to_mask(const char *word, slap_verbmasks *v) {
+bverb_to_mask(struct berval *bword, slap_verbmasks *v) {
        int i;
        for(i = 0; !BER_BVISNULL(&v[i].word); i++) {
-               if(!strcasecmp(word, v[i].word.bv_val)) break;
+               if(!ber_bvstrcasecmp(bword, &v[i].word)) break;
        }
        return(i);
 }
 
+int
+verb_to_mask(const char *word, slap_verbmasks *v) {
+       struct berval   bword;
+       ber_str2bv( word, 0, 0, &bword );
+       return bverb_to_mask( &bword, v );
+}
+
 int
 verbs_to_mask(int argc, char *argv[], slap_verbmasks *v, slap_mask_t *m) {
        int i, j;
@@ -1007,12 +1034,14 @@ enum_to_verb(slap_verbmasks *v, slap_mask_t m, struct berval *bv) {
        return -1;
 }
 
+#ifdef HAVE_TLS
 static slap_verbmasks tlskey[] = {
        { BER_BVC("no"),        SB_TLS_OFF },
        { BER_BVC("yes"),       SB_TLS_ON },
        { BER_BVC("critical"),  SB_TLS_CRITICAL },
        { BER_BVNULL, 0 }
 };
+#endif
 
 static slap_verbmasks methkey[] = {
        { BER_BVC("none"),      LDAP_AUTH_NONE },
@@ -1023,9 +1052,15 @@ static slap_verbmasks methkey[] = {
        { BER_BVNULL, 0 }
 };
 
+static slap_verbmasks versionkey[] = {
+       { BER_BVC("2"),         LDAP_VERSION2 },
+       { BER_BVC("3"),         LDAP_VERSION3 },
+       { BER_BVNULL, 0 }
+};
+
 static slap_cf_aux_table bindkey[] = {
        { BER_BVC("uri="), offsetof(slap_bindconf, sb_uri), 'b', 1, NULL },
-       { BER_BVC("starttls="), offsetof(slap_bindconf, sb_tls), 'd', 0, tlskey },
+       { BER_BVC("version="), offsetof(slap_bindconf, sb_version), 'd', 0, versionkey },
        { BER_BVC("bindmethod="), offsetof(slap_bindconf, sb_method), 'd', 0, methkey },
        { BER_BVC("binddn="), offsetof(slap_bindconf, sb_binddn), 'b', 1, NULL },
        { BER_BVC("credentials="), offsetof(slap_bindconf, sb_cred), 'b', 1, NULL },
@@ -1034,13 +1069,28 @@ static slap_cf_aux_table bindkey[] = {
        { BER_BVC("realm="), offsetof(slap_bindconf, sb_realm), 'b', 0, NULL },
        { BER_BVC("authcID="), offsetof(slap_bindconf, sb_authcId), 'b', 0, NULL },
        { BER_BVC("authzID="), offsetof(slap_bindconf, sb_authzId), 'b', 1, NULL },
+#ifdef HAVE_TLS
+       { BER_BVC("starttls="), offsetof(slap_bindconf, sb_tls), 'd', 0, tlskey },
+
+#define aux_TLS (bindkey+10)   /* beginning of TLS keywords */
+
+       { BER_BVC("tls_cert="), offsetof(slap_bindconf, sb_tls_cert), 's', 1, NULL },
+       { BER_BVC("tls_key="), offsetof(slap_bindconf, sb_tls_key), 's', 1, NULL },
+       { BER_BVC("tls_cacert="), offsetof(slap_bindconf, sb_tls_cacert), 's', 1, NULL },
+       { BER_BVC("tls_cacertdir="), offsetof(slap_bindconf, sb_tls_cacertdir), 's', 1, NULL },
+       { BER_BVC("tls_reqcert="), offsetof(slap_bindconf, sb_tls_reqcert), 's', 1, NULL },
+       { BER_BVC("tls_cipher_suite="), offsetof(slap_bindconf, sb_tls_cipher_suite), 's', 1, NULL },
+#ifdef HAVE_OPENSSL_CRL
+       { BER_BVC("tls_crlcheck="), offsetof(slap_bindconf, sb_tls_crlcheck), 's', 1, NULL },
+#endif
+#endif
        { BER_BVNULL, 0, 0, 0, NULL }
 };
 
 int
 slap_cf_aux_table_parse( const char *word, void *dst, slap_cf_aux_table *tab0, LDAP_CONST char *tabmsg )
 {
-       int rc = 0;
+       int rc = SLAP_CONF_UNKNOWN;
        slap_cf_aux_table *tab;
 
        for (tab = tab0; !BER_BVISNULL(&tab->key); tab++ ) {
@@ -1057,11 +1107,13 @@ slap_cf_aux_table_parse( const char *word, void *dst, slap_cf_aux_table *tab0, L
                        case 's':
                                cptr = (char **)((char *)dst + tab->off);
                                *cptr = ch_strdup( val );
+                               rc = 0;
                                break;
 
                        case 'b':
                                bptr = (struct berval *)((char *)dst + tab->off);
                                ber_str2bv( val, 0, 1, bptr );
+                               rc = 0;
                                break;
 
                        case 'd':
@@ -1117,7 +1169,7 @@ slap_cf_aux_table_parse( const char *word, void *dst, slap_cf_aux_table *tab0, L
 int
 slap_cf_aux_table_unparse( void *src, struct berval *bv, slap_cf_aux_table *tab0 )
 {
-       char buf[BUFSIZ], *ptr;
+       char buf[AC_LINE_MAX], *ptr;
        slap_cf_aux_table *tab;
        struct berval tmp;
 
@@ -1201,6 +1253,13 @@ slap_cf_aux_table_unparse( void *src, struct berval *bv, slap_cf_aux_table *tab0
 int
 bindconf_parse( const char *word, slap_bindconf *bc )
 {
+#ifdef HAVE_TLS
+       /* Detect TLS config changes explicitly */
+       if ( slap_cf_aux_table_parse( word, bc, aux_TLS, "tls config" ) == 0 ) {
+               bc->sb_tls_do_init = 1;
+               return 0;
+       }
+#endif
        return slap_cf_aux_table_parse( word, bc, bindkey, "bind config" );
 }
 
@@ -1243,8 +1302,272 @@ void bindconf_free( slap_bindconf *bc ) {
                ch_free( bc->sb_authzId.bv_val );
                BER_BVZERO( &bc->sb_authzId );
        }
+#ifdef HAVE_TLS
+#if 0
+       if ( bc->sb_tls_ctx ) {
+               SSL_CTX_free( bc->sb_tls_ctx );
+               bc->sb_tls_ctx = NULL;
+       }
+#endif
+       if ( bc->sb_tls_cert ) {
+               ch_free( bc->sb_tls_cert );
+               bc->sb_tls_cert = NULL;
+       }
+       if ( bc->sb_tls_key ) {
+               ch_free( bc->sb_tls_key );
+               bc->sb_tls_key = NULL;
+       }
+       if ( bc->sb_tls_cacert ) {
+               ch_free( bc->sb_tls_cacert );
+               bc->sb_tls_cacert = NULL;
+       }
+       if ( bc->sb_tls_cacertdir ) {
+               ch_free( bc->sb_tls_cacertdir );
+               bc->sb_tls_cacertdir = NULL;
+       }
+       if ( bc->sb_tls_reqcert ) {
+               ch_free( bc->sb_tls_reqcert );
+               bc->sb_tls_reqcert = NULL;
+       }
+       if ( bc->sb_tls_cipher_suite ) {
+               ch_free( bc->sb_tls_cipher_suite );
+               bc->sb_tls_cipher_suite = NULL;
+       }
+#ifdef HAVE_OPENSSL_CRL
+       if ( bc->sb_tls_crlcheck ) {
+               ch_free( bc->sb_tls_crlcheck );
+               bc->sb_tls_crlcheck = NULL;
+       }
+#endif
+#endif
 }
 
+#ifdef HAVE_TLS
+static struct {
+       const char *key;
+       size_t offset;
+       int opt;
+} bindtlsopts[] = {
+       { "tls_cert", offsetof(slap_bindconf, sb_tls_cert), LDAP_OPT_X_TLS_CERTFILE },
+       { "tls_key", offsetof(slap_bindconf, sb_tls_key), LDAP_OPT_X_TLS_KEYFILE },
+       { "tls_cacert", offsetof(slap_bindconf, sb_tls_cacert), LDAP_OPT_X_TLS_CACERTFILE },
+       { "tls_cacertdir", offsetof(slap_bindconf, sb_tls_cacertdir), LDAP_OPT_X_TLS_CACERTDIR },
+       { "tls_cipher_suite", offsetof(slap_bindconf, sb_tls_cipher_suite), LDAP_OPT_X_TLS_CIPHER_SUITE },
+       {0, 0}
+};
+
+int bindconf_tls_set( slap_bindconf *bc, LDAP *ld )
+{
+       int i, rc, newctx = 0, res = 0;
+       char *ptr = (char *)bc, **word;
+
+       bc->sb_tls_do_init = 0;
+
+       for (i=0; bindtlsopts[i].opt; i++) {
+               word = (char **)(ptr + bindtlsopts[i].offset);
+               if ( *word ) {
+                       rc = ldap_set_option( ld, bindtlsopts[i].opt, *word );
+                       if ( rc ) {
+                               Debug( LDAP_DEBUG_ANY,
+                                       "bindconf_tls_set: failed to set %s to %s\n",
+                                               bindtlsopts[i].key, *word, 0 );
+                               res = -1;
+                       } else
+                               newctx = 1;
+               }
+       }
+       if ( bc->sb_tls_reqcert ) {
+               rc = ldap_int_tls_config( ld, LDAP_OPT_X_TLS_REQUIRE_CERT,
+                       bc->sb_tls_reqcert );
+               if ( rc ) {
+                       Debug( LDAP_DEBUG_ANY,
+                               "bindconf_tls_set: failed to set tls_reqcert to %s\n",
+                                       bc->sb_tls_reqcert, 0, 0 );
+                       res = -1;
+               } else
+                       newctx = 1;
+       }
+#ifdef HAVE_OPENSSL_CRL
+       if ( bc->sb_tls_crlcheck ) {
+               rc = ldap_int_tls_config( ld, LDAP_OPT_X_TLS_CRLCHECK,
+                       bc->sb_tls_crlcheck );
+               if ( rc ) {
+                       Debug( LDAP_DEBUG_ANY,
+                               "bindconf_tls_set: failed to set tls_crlcheck to %s\n",
+                                       bc->sb_tls_crlcheck, 0, 0 );
+                       res = -1;
+               } else
+                       newctx = 1;
+       }
+#endif
+       if ( newctx ) {
+               int opt = 0;
+
+               if ( bc->sb_tls_ctx ) {
+                       SSL_CTX_free( bc->sb_tls_ctx );
+                       bc->sb_tls_ctx = NULL;
+               }
+               rc = ldap_set_option( ld, LDAP_OPT_X_TLS_NEWCTX, &opt );
+               if ( rc )
+                       res = rc;
+               else
+                       ldap_get_option( ld, LDAP_OPT_X_TLS_CTX, &bc->sb_tls_ctx );
+       }
+       
+       return res;
+}
+#endif
+
+/*
+ * connect to a client using the bindconf data
+ * note: should move "version" into bindconf...
+ */
+int
+slap_client_connect( LDAP **ldp, slap_bindconf *sb )
+{
+       LDAP            *ld = NULL;
+       int             rc;
+
+       /* Init connection to master */
+       rc = ldap_initialize( &ld, sb->sb_uri.bv_val );
+       if ( rc != LDAP_SUCCESS ) {
+               Debug( LDAP_DEBUG_ANY,
+                       "slap_client_connect: "
+                       "ldap_initialize(%s) failed (%d)\n",
+                       sb->sb_uri.bv_val, rc, 0 );
+               return rc;
+       }
+
+       if ( sb->sb_version != 0 ) {
+               ldap_set_option( ld, LDAP_OPT_PROTOCOL_VERSION,
+                       (const void *)&sb->sb_version );
+       }
+
+#ifdef HAVE_TLS
+       if ( sb->sb_tls_do_init ) {
+               rc = bindconf_tls_set( sb, ld );
+
+       } else if ( sb->sb_tls_ctx ) {
+               rc = ldap_set_option( ld, LDAP_OPT_X_TLS_CTX,
+                       sb->sb_tls_ctx );
+       }
+
+       if ( rc ) {
+               Debug( LDAP_DEBUG_ANY,
+                       "slap_client_connect: "
+                       "URI=%s TLS context initialization failed (%d)\n",
+                       sb->sb_uri.bv_val, rc, 0 );
+               return rc;
+       }
+#endif
+
+       /* Bind */
+       if ( sb->sb_tls ) {
+               rc = ldap_start_tls_s( ld, NULL, NULL );
+               if ( rc != LDAP_SUCCESS ) {
+                       Debug( LDAP_DEBUG_ANY,
+                               "slap_client_connect: URI=%s "
+                               "%s, ldap_start_tls failed (%d)\n",
+                               sb->sb_uri.bv_val,
+                               sb->sb_tls == SB_TLS_CRITICAL ?
+                                       "Error" : "Warning",
+                               rc );
+                       if ( sb->sb_tls == SB_TLS_CRITICAL ) {
+                               goto done;
+                       }
+               }
+       }
+
+       if ( sb->sb_method == LDAP_AUTH_SASL ) {
+#ifdef HAVE_CYRUS_SASL
+               void *defaults;
+
+               if ( sb->sb_secprops != NULL ) {
+                       rc = ldap_set_option( ld,
+                               LDAP_OPT_X_SASL_SECPROPS, sb->sb_secprops);
+
+                       if( rc != LDAP_OPT_SUCCESS ) {
+                               Debug( LDAP_DEBUG_ANY,
+                                       "slap_client_connect: "
+                                       "error, ldap_set_option "
+                                       "(%s,SECPROPS,\"%s\") failed!\n",
+                                       sb->sb_uri.bv_val, sb->sb_secprops, 0 );
+                               goto done;
+                       }
+               }
+
+               defaults = lutil_sasl_defaults( ld,
+                       sb->sb_saslmech.bv_val,
+                       sb->sb_realm.bv_val,
+                       sb->sb_authcId.bv_val,
+                       sb->sb_cred.bv_val,
+                       sb->sb_authzId.bv_val );
+
+               rc = ldap_sasl_interactive_bind_s( ld,
+                               sb->sb_binddn.bv_val,
+                               sb->sb_saslmech.bv_val,
+                               NULL, NULL,
+                               LDAP_SASL_QUIET,
+                               lutil_sasl_interact,
+                               defaults );
+
+               lutil_sasl_freedefs( defaults );
+
+               /* FIXME: different error behaviors according to
+                *      1) return code
+                *      2) on err policy : exit, retry, backoff ...
+                */
+               if ( rc != LDAP_SUCCESS ) {
+                       static struct berval bv_GSSAPI = BER_BVC( "GSSAPI" );
+
+                       Debug( LDAP_DEBUG_ANY, "slap_client_connect: URI=%s "
+                               "ldap_sasl_interactive_bind_s failed (%d)\n",
+                               sb->sb_uri.bv_val, rc, 0 );
+
+                       /* FIXME (see above comment) */
+                       /* if Kerberos credentials cache is not active, retry */
+                       if ( ber_bvcmp( &sb->sb_saslmech, &bv_GSSAPI ) == 0 &&
+                               rc == LDAP_LOCAL_ERROR )
+                       {
+                               rc = LDAP_SERVER_DOWN;
+                       }
+
+                       goto done;
+               }
+#else /* HAVE_CYRUS_SASL */
+               /* Should never get here, we trapped this at config time */
+               assert(0);
+               Debug( LDAP_DEBUG_SYNC, "not compiled with SASL support\n", 0, 0, 0 );
+               rc = LDAP_OTHER;
+               goto done;
+#endif
+
+       } else if ( sb->sb_method == LDAP_AUTH_SIMPLE ) {
+               rc = ldap_sasl_bind_s( ld,
+                       sb->sb_binddn.bv_val, LDAP_SASL_SIMPLE,
+                       &sb->sb_cred, NULL, NULL, NULL );
+               if ( rc != LDAP_SUCCESS ) {
+                       Debug( LDAP_DEBUG_ANY, "slap_client_connect: "
+                               "URI=%s DN=\"%s\" "
+                               "ldap_sasl_bind_s failed (%d)\n",
+                               sb->sb_uri.bv_val, sb->sb_binddn.bv_val, rc );
+                       goto done;
+               }
+       }
+
+done:;
+       if ( rc ) {
+               if ( ld ) {
+                       ldap_unbind_ext( ld, NULL, NULL );
+                       *ldp = NULL;
+               }
+
+       } else {
+               *ldp = ld;
+       }
+
+       return rc;
+}
 
 /* -------------------------------------- */
 
@@ -1304,7 +1627,7 @@ strtok_quote( char *line, char *sep, char **quote_ptr )
        return( tmp );
 }
 
-static char    buf[BUFSIZ];
+static char    buf[AC_LINE_MAX];
 static char    *line;
 static size_t lmax, lcur;
 
@@ -1312,7 +1635,7 @@ static size_t lmax, lcur;
        do { \
                size_t len = strlen( buf ); \
                while ( lcur + len + 1 > lmax ) { \
-                       lmax += BUFSIZ; \
+                       lmax += AC_LINE_MAX; \
                        line = (char *) ch_realloc( line, lmax ); \
                } \
                strcpy( line + lcur, buf ); \