/* config.c - ldap backend configuration file routine */
/* $OpenLDAP$ */
-/*
- * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
- */
-/* This is an altered version */
-/*
- * Copyright 1999, Howard Chu, All rights reserved. <hyc@highlandsun.com>
- *
- * Permission is granted to anyone to use this software for any purpose
- * on any computer system, and to alter it and redistribute it, subject
- * to the following restrictions:
- *
- * 1. The author is not responsible for the consequences of use of this
- * software, no matter how awful, even if they arise from flaws in it.
- *
- * 2. The origin of this software must not be misrepresented, either by
- * explicit claim or by omission. Since few users ever read sources,
- * credits should appear in the documentation.
- *
- * 3. Altered versions must be plainly marked as such, and must not be
- * misrepresented as being the original software. Since few users
- * ever read sources, credits should appear in the documentation.
- *
- * 4. This notice may not be removed or altered.
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
+ * Copyright 2003-2004 The OpenLDAP Foundation.
+ * Portions Copyright 1999-2003 Howard Chu.
+ * Portions Copyright 2000-2003 Pierangelo Masarati.
+ * 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.
*
- * Copyright 2000, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
- *
- * This software is being modified by Pierangelo Masarati.
- * The previously reported conditions apply to the modified code as well.
- * Changes in the original code are highlighted where required.
- * Credits for the original code go to the author, Howard Chu.
+ * 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>.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was initially developed by the Howard Chu for inclusion
+ * in OpenLDAP Software and subsequently enhanced by Pierangelo
+ * Masarati.
*/
#include "portable.h"
#include "slap.h"
#include "back-ldap.h"
#include "lutil.h"
+#undef ldap_debug
+/* for advanced URL parsing */
+#include "../../../libraries/libldap/ldap-int.h"
+
+static SLAP_EXTOP_MAIN_FN ldap_back_exop_whoami;
+
+static int
+parse_idassert( BackendDB *be, const char *fname, int lineno,
+ int argc, char **argv );
int
ldap_back_db_config(
- BackendDB *be,
- const char *fname,
- int lineno,
- int argc,
- char **argv
-)
+ BackendDB *be,
+ const char *fname,
+ int lineno,
+ int argc,
+ char **argv )
{
struct ldapinfo *li = (struct ldapinfo *) be->be_private;
if ( li == NULL ) {
fprintf( stderr, "%s: line %d: ldap backend info is null!\n",
- fname, lineno );
- return( 1 );
+ fname, lineno );
+ return 1;
}
/* server address to query (depricated, use "uri" directive) */
if ( strcasecmp( argv[0], "server" ) == 0 ) {
- if (argc != 2) {
+ ber_len_t l;
+
+ fprintf( stderr,
+ "%s: line %d: \"server <address>\" directive is deprecated\n",
+ fname, lineno );
+
+ if ( argc != 2 ) {
fprintf( stderr,
"%s: line %d: missing address in \"server <address>\" line\n",
- fname, lineno );
- return( 1 );
+ fname, lineno );
+ return 1;
+ }
+ if ( li->url != NULL ) {
+ ch_free( li->url );
}
- if (li->url != NULL)
- ch_free(li->url);
- li->url = ch_calloc(strlen(argv[1]) + 9, sizeof(char));
- if (li->url != NULL) {
- strcpy(li->url, "ldap://");
- strcat(li->url, argv[1]);
- strcat(li->url, "/");
+ l = strlen( argv[1] ) + STRLENOF( "ldap:///") + 1;
+ li->url = ch_calloc( l, sizeof( char ) );
+ if ( li->url == NULL ) {
+ fprintf( stderr, "%s: line %d: malloc failed\n" );
+ return 1;
}
+ snprintf( li->url, l, "ldap://%s/", argv[1] );
+
/* URI of server to query (preferred over "server" directive) */
} else if ( strcasecmp( argv[0], "uri" ) == 0 ) {
- if (argc != 2) {
- fprintf( stderr,
- "%s: line %d: missing address in \"uri <address>\" line\n",
- fname, lineno );
- return( 1 );
+ LDAPURLDesc *tmpludp;
+ int urlrc;
+
+ if ( argc != 2 ) {
+ fprintf( stderr, "%s: line %d: "
+ "missing uri "
+ "in \"uri <uri>\" line\n",
+ fname, lineno );
+ return 1;
+ }
+ if ( li->url != NULL ) {
+ ch_free( li->url );
+ }
+ if ( li->lud != NULL ) {
+ ldap_free_urllist( li->lud );
}
- if (li->url != NULL)
- ch_free(li->url);
- li->url = ch_strdup(argv[1]);
+
+#if 0
+ /* PARANOID: DN and more are not required nor allowed */
+ urlrc = ldap_url_parselist_ext( &li->lud, argv[ 1 ], "\t" );
+#else
+ urlrc = ldap_url_parselist( &li->lud, argv[ 1 ] );
+#endif
+ if ( urlrc != LDAP_URL_SUCCESS ) {
+ char *why;
+
+ switch ( urlrc ) {
+ case LDAP_URL_ERR_MEM:
+ why = "no memory";
+ break;
+ case LDAP_URL_ERR_PARAM:
+ why = "parameter is bad";
+ break;
+ case LDAP_URL_ERR_BADSCHEME:
+ why = "URL doesn't begin with \"[c]ldap[si]://\"";
+ break;
+ case LDAP_URL_ERR_BADENCLOSURE:
+ why = "URL is missing trailing \">\"";
+ break;
+ case LDAP_URL_ERR_BADURL:
+ why = "URL is bad";
+ case LDAP_URL_ERR_BADHOST:
+ why = "host/port is bad";
+ break;
+ case LDAP_URL_ERR_BADATTRS:
+ why = "bad (or missing) attributes";
+ break;
+ case LDAP_URL_ERR_BADSCOPE:
+ why = "scope string is invalid (or missing)";
+ break;
+ case LDAP_URL_ERR_BADFILTER:
+ why = "bad or missing filter";
+ break;
+ case LDAP_URL_ERR_BADEXTS:
+ why = "bad or missing extensions";
+ break;
+ default:
+ why = "unknown reason";
+ break;
+ }
+ fprintf( stderr, "%s: line %d: "
+ "unable to parse uri \"%s\" "
+ "in \"uri <uri>\" line: %s\n",
+ fname, lineno, argv[ 1 ], why );
+ return 1;
+ }
+
+ for ( tmpludp = li->lud; tmpludp; tmpludp = tmpludp->lud_next ) {
+ if ( ( tmpludp->lud_dn != NULL
+ && tmpludp->lud_dn[0] != '\0' )
+ || tmpludp->lud_attrs != NULL
+ || tmpludp->lud_filter != NULL
+ || tmpludp->lud_exts != NULL )
+ {
+ fprintf( stderr, "%s: line %d: "
+ "warning, only protocol, "
+ "host and port allowed "
+ "in \"uri <uri>\" statement "
+ "for \"%s\"\n",
+ fname, lineno, argv[1] );
+ }
+ }
+
+#if 0
+ for ( tmpludp = li->lud; tmpludp; tmpludp = tmpludp->lud_next ) {
+ LDAPURLDesc tmplud;
+ char *tmpurl;
+ ber_len_t oldlen = 0, len;
+
+ tmplud = *tmpludp;
+ tmplud.lud_dn = "";
+ tmplud.lud_attrs = NULL;
+ tmplud.lud_filter = NULL;
+ if ( !ldap_is_ldapi_url( argv[ 1 ] ) ) {
+ tmplud.lud_exts = NULL;
+ tmplud.lud_crit_exts = 0;
+ }
+
+ tmpurl = ldap_url_desc2str( &tmplud );
+
+ if ( tmpurl == NULL ) {
+ fprintf( stderr, "%s: line %d: "
+ "unable to rebuild uri "
+ "in \"uri <uri>\" statement "
+ "for \"%s\"\n",
+ fname, lineno, argv[ 1 ] );
+ return 1;
+ }
+
+ len = strlen( tmpurl );
+ if ( li->url ) {
+ oldlen = strlen( li->url ) + STRLENOF( " " );
+ }
+ li->url = ch_realloc( li->url, oldlen + len + 1);
+ if ( oldlen ) {
+ li->url[oldlen - 1] = " ";
+ }
+ AC_MEMCPY( &li->url[oldlen], tmpurl, len + 1 );
+ ch_free( tmpurl );
+ }
+#else
+ li->url = ch_strdup( argv[ 1 ] );
+#endif
/* name to use for ldap_back_group */
- } else if ( strcasecmp( argv[0], "binddn" ) == 0 ) {
- if (argc != 2) {
+ } else if ( strcasecmp( argv[0], "acl-authcdn" ) == 0
+ || strcasecmp( argv[0], "binddn" ) == 0 ) {
+ if ( argc != 2 ) {
fprintf( stderr,
- "%s: line %d: missing name in \"binddn <name>\" line\n",
- fname, lineno );
+ "%s: line %d: missing name in \"%s <name>\" line\n",
+ fname, lineno, argv[0] );
return( 1 );
}
- li->binddn = ch_strdup(argv[1]);
+ ber_str2bv( argv[1], 0, 1, &li->acl_authcDN );
/* password to use for ldap_back_group */
- } else if ( strcasecmp( argv[0], "bindpw" ) == 0 ) {
- if (argc != 2) {
+ } else if ( strcasecmp( argv[0], "acl-passwd" ) == 0
+ || strcasecmp( argv[0], "bindpw" ) == 0 ) {
+ if ( argc != 2 ) {
fprintf( stderr,
- "%s: line %d: missing password in \"bindpw <password>\" line\n",
- fname, lineno );
+ "%s: line %d: missing password in \"%s <password>\" line\n",
+ fname, lineno, argv[0] );
return( 1 );
}
- li->bindpw = ch_strdup(argv[1]);
-
+ ber_str2bv( argv[1], 0, 1, &li->acl_passwd );
+
+#ifdef LDAP_BACK_PROXY_AUTHZ
+ /* identity assertion stuff... */
+ } else if ( strncasecmp( argv[0], "idassert-", STRLENOF( "idassert-" ) ) == 0
+ || strncasecmp( argv[0], "proxyauthz", STRLENOF( "proxyauthz" ) ) == 0 ) {
+ return parse_idassert( be, fname, lineno, argc, argv );
+#endif /* LDAP_BACK_PROXY_AUTHZ */
+
/* save bind creds for referral rebinds? */
} else if ( strcasecmp( argv[0], "rebind-as-user" ) == 0 ) {
- if (argc != 1) {
+ if ( argc != 1 ) {
fprintf( stderr,
"%s: line %d: rebind-as-user takes no arguments\n",
- fname, lineno );
+ fname, lineno );
return( 1 );
}
li->savecred = 1;
- /* dn massaging */
- } else if ( strcasecmp( argv[0], "suffixmassage" ) == 0 ) {
- BackendDB *tmp_be;
- struct berval bvnc, nvnc, pvnc, brnc, nrnc, prnc;
-#ifdef ENABLE_REWRITE
- int rc;
-#endif /* ENABLE_REWRITE */
-
- /*
- * syntax:
- *
- * suffixmassage <suffix> <massaged suffix>
- *
- * the <suffix> field must be defined as a valid suffix
- * (or suffixAlias?) for the current database;
- * the <massaged suffix> shouldn't have already been
- * defined as a valid suffix or suffixAlias for the
- * current server
- */
- if ( argc != 3 ) {
- fprintf( stderr, "%s: line %d: syntax is"
- " \"suffixMassage <suffix>"
- " <massaged suffix>\"\n",
- fname, lineno );
- return( 1 );
- }
-
- ber_str2bv( argv[1], 0, 0, &bvnc );
- if ( dnPrettyNormal( NULL, &bvnc, &pvnc, &nvnc ) != LDAP_SUCCESS ) {
- fprintf( stderr, "%s: line %d: suffix DN %s is invalid\n",
- fname, lineno, bvnc.bv_val );
- return( 1 );
- }
- tmp_be = select_backend( &nvnc, 0, 0 );
- if ( tmp_be != NULL && tmp_be != be ) {
- fprintf( stderr, "%s: line %d: suffix already in use"
- " by another backend in"
- " \"suffixMassage <suffix>"
- " <massaged suffix>\"\n",
- fname, lineno );
- free( nvnc.bv_val );
- free( pvnc.bv_val );
+ /* intercept exop_who_am_i? */
+ } else if ( strcasecmp( argv[0], "proxy-whoami" ) == 0 ) {
+ if ( argc != 1 ) {
+ fprintf( stderr,
+ "%s: line %d: proxy-whoami takes no arguments\n",
+ fname, lineno );
return( 1 );
}
+ load_extop( (struct berval *)&slap_EXOP_WHOAMI,
+ 0, ldap_back_exop_whoami );
+
+ /* FIXME: legacy: intercept old rewrite/remap directives
+ * and try to start the rwm overlay */
+ } else if ( strcasecmp( argv[0], "suffixmassage" ) == 0
+ || strcasecmp( argv[0], "map" ) == 0
+ || strncasecmp( argv[0], "rewrite", STRLENOF( "rewrite" ) ) == 0 )
+ {
+ if ( li->rwm_started == 0 ) {
+ if ( overlay_config( be, "rwm" ) ) {
+ fprintf( stderr, "%s: line %d: "
+ "unable to configure the \"rwm\" "
+ "overlay, required by directive "
+ "\"%s\".\n",
+ fname, lineno, argv[0] );
+#if SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC
+ fprintf( stderr, "\thint: try loading the \"rwm.la\" dynamic module.\n" );
+#endif /* SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC */
+ return( 1 );
+ }
- ber_str2bv( argv[2], 0, 0, &brnc );
- if ( dnPrettyNormal( NULL, &brnc, &prnc, &nrnc ) != LDAP_SUCCESS ) {
- fprintf( stderr, "%s: line %d: suffix DN %s is invalid\n",
- fname, lineno, brnc.bv_val );
- free( nvnc.bv_val );
- free( pvnc.bv_val );
- return( 1 );
+ fprintf( stderr, "%s: line %d: back-ldap: "
+ "automatically starting \"rwm\" overlay, "
+ "triggered by \"%s\" directive.\n",
+ fname, lineno, argv[ 0 ] );
+
+ li->rwm_started = 1;
+
+ return ( *be->bd_info->bi_db_config )( be, fname, lineno, argc, argv );
}
-#if 0
- tmp_be = select_backend( &nrnc, 0, 0 );
- if ( tmp_be != NULL ) {
- fprintf( stderr, "%s: line %d: massaged suffix"
- " already in use by another backend in"
- " \"suffixMassage <suffix>"
- " <massaged suffix>\"\n",
- fname, lineno );
- free( nvnc.bv_val );
- free( pvnc.bv_val );
- free( nrnc.bv_val );
- free( prnc.bv_val );
- return( 1 );
+ return SLAP_CONF_UNKNOWN;
+
+ /* anything else */
+ } else {
+ return SLAP_CONF_UNKNOWN;
+ }
+
+ return 0;
+}
+
+static int
+ldap_back_exop_whoami(
+ Operation *op,
+ SlapReply *rs )
+{
+ struct berval *bv = NULL;
+
+ if ( op->oq_extended.rs_reqdata != NULL ) {
+ /* no request data should be provided */
+ rs->sr_text = "no request data expected";
+ return rs->sr_err = LDAP_PROTOCOL_ERROR;
+ }
+
+ rs->sr_err = backend_check_restrictions( op, rs,
+ (struct berval *)&slap_EXOP_WHOAMI );
+ if( rs->sr_err != LDAP_SUCCESS ) return rs->sr_err;
+
+ /* if auth'd by back-ldap and request is proxied, forward it */
+ if ( op->o_conn->c_authz_backend && !strcmp(op->o_conn->c_authz_backend->be_type, "ldap" ) && !dn_match(&op->o_ndn, &op->o_conn->c_ndn)) {
+ struct ldapconn *lc;
+
+ LDAPControl c, *ctrls[2] = {NULL, NULL};
+ LDAPMessage *res;
+ Operation op2 = *op;
+ ber_int_t msgid;
+ int do_retry = 1;
+
+ ctrls[0] = &c;
+ op2.o_ndn = op->o_conn->c_ndn;
+ lc = ldap_back_getconn(&op2, rs);
+ if (!lc || !ldap_back_dobind( lc, op, rs )) {
+ return -1;
}
-#endif
+ c.ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
+ c.ldctl_iscritical = 1;
+ c.ldctl_value.bv_val = ch_malloc(op->o_ndn.bv_len+4);
+ c.ldctl_value.bv_len = op->o_ndn.bv_len + 3;
+ strcpy(c.ldctl_value.bv_val, "dn:");
+ strcpy(c.ldctl_value.bv_val+3, op->o_ndn.bv_val);
+
+retry:
+ rs->sr_err = ldap_whoami(lc->lc_ld, ctrls, NULL, &msgid);
+ if (rs->sr_err == LDAP_SUCCESS) {
+ if (ldap_result(lc->lc_ld, msgid, 1, NULL, &res) == -1) {
+ ldap_get_option(lc->lc_ld, LDAP_OPT_ERROR_NUMBER,
+ &rs->sr_err);
+ if ( rs->sr_err == LDAP_SERVER_DOWN && do_retry ) {
+ do_retry = 0;
+ if ( ldap_back_retry( lc, op, rs ) )
+ goto retry;
+ }
+ ldap_back_freeconn( op, lc );
+ lc = NULL;
+
+ } else {
+ rs->sr_err = ldap_parse_whoami(lc->lc_ld, res, &bv);
+ ldap_msgfree(res);
+ }
+ }
+ ch_free(c.ldctl_value.bv_val);
+ if (rs->sr_err != LDAP_SUCCESS) {
+ rs->sr_err = slap_map_api2result( rs );
+ }
+ } else {
+ /* else just do the same as before */
+ bv = (struct berval *) ch_malloc( sizeof(struct berval) );
+ if ( !BER_BVISEMPTY( &op->o_dn ) ) {
+ bv->bv_len = op->o_dn.bv_len + sizeof("dn:") - 1;
+ bv->bv_val = ch_malloc( bv->bv_len + 1 );
+ AC_MEMCPY( bv->bv_val, "dn:", sizeof("dn:") - 1 );
+ AC_MEMCPY( &bv->bv_val[sizeof("dn:") - 1], op->o_dn.bv_val,
+ op->o_dn.bv_len );
+ bv->bv_val[bv->bv_len] = '\0';
+ } else {
+ bv->bv_len = 0;
+ bv->bv_val = NULL;
+ }
+ }
-#ifdef ENABLE_REWRITE
- /*
- * The suffix massaging is emulated by means of the
- * rewrite capabilities
- * FIXME: no extra rewrite capabilities should be added
- * to the database
- */
- rc = suffix_massage_config( li->rwinfo, &pvnc, &nvnc, &prnc, &nrnc );
- free( nvnc.bv_val );
- free( pvnc.bv_val );
- free( nrnc.bv_val );
- free( prnc.bv_val );
-
- return( rc );
-
-#else /* !ENABLE_REWRITE */
- ber_bvarray_add( &li->suffix_massage, &pvnc );
- ber_bvarray_add( &li->suffix_massage, &nvnc );
-
- ber_bvarray_add( &li->suffix_massage, &prnc );
- ber_bvarray_add( &li->suffix_massage, &nrnc );
-#endif /* !ENABLE_REWRITE */
-
- /* rewrite stuff ... */
- } else if ( strncasecmp( argv[0], "rewrite", 7 ) == 0 ) {
-#ifdef ENABLE_REWRITE
- return rewrite_parse( li->rwinfo, fname, lineno, argc, argv );
-
-#else /* !ENABLE_REWRITE */
- fprintf( stderr, "%s: line %d: rewrite capabilities "
- "are not enabled\n", fname, lineno );
-#endif /* !ENABLE_REWRITE */
-
- /* objectclass/attribute mapping */
- } else if ( strcasecmp( argv[0], "map" ) == 0 ) {
- struct ldapmap *map;
- struct ldapmapping *mapping;
- char *src, *dst;
+ rs->sr_rspdata = bv;
+ return rs->sr_err;
+}
- if ( argc < 3 || argc > 4 ) {
- fprintf( stderr,
- "%s: line %d: syntax is \"map {objectclass | attribute} [<local> | *] {<foreign> | *}\"\n",
- fname, lineno );
- return( 1 );
+
+#ifdef LDAP_BACK_PROXY_AUTHZ
+static int
+parse_idassert(
+ BackendDB *be,
+ const char *fname,
+ int lineno,
+ int argc,
+ char **argv
+)
+{
+ struct ldapinfo *li = (struct ldapinfo *) be->be_private;
+
+ /* identity assertion mode */
+ if ( strcasecmp( argv[0], "idassert-mode" ) == 0 ) {
+ if ( argc < 2 ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: illegal args number %d in \"idassert-mode <args> [<flag> [...]]\" line.\n",
+ fname, lineno, argc );
+ return 1;
}
- if ( strcasecmp( argv[1], "objectclass" ) == 0 ) {
- map = &li->oc_map;
- } else if ( strcasecmp( argv[1], "attribute" ) == 0 ) {
- map = &li->at_map;
+ if ( strcasecmp( argv[1], "legacy" ) == 0 ) {
+ /* will proxyAuthz as client's identity only if bound */
+ li->idassert_mode = LDAP_BACK_IDASSERT_LEGACY;
+
+ } else if ( strcasecmp( argv[1], "self" ) == 0 ) {
+ /* will proxyAuthz as client's identity */
+ li->idassert_mode = LDAP_BACK_IDASSERT_SELF;
+
+ } else if ( strcasecmp( argv[1], "anonymous" ) == 0 ) {
+ /* will proxyAuthz as anonymous */
+ li->idassert_mode = LDAP_BACK_IDASSERT_ANONYMOUS;
+
+ } else if ( strcasecmp( argv[1], "none" ) == 0 ) {
+ /* will not proxyAuthz */
+ li->idassert_mode = LDAP_BACK_IDASSERT_NOASSERT;
+
} else {
- fprintf( stderr, "%s: line %d: syntax is "
- "\"map {objectclass | attribute} [<local> | *] "
- "{<foreign> | *}\"\n",
- fname, lineno );
- return( 1 );
+ struct berval id;
+ int rc;
+
+ /* will proxyAuthz as argv[1] */
+ ber_str2bv( argv[1], 0, 0, &id );
+
+ if ( strncasecmp( id.bv_val, "u:", STRLENOF( "u:" ) ) == 0 ) {
+ /* force lowercase... */
+ id.bv_val[0] = 'u';
+ li->idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
+ ber_dupbv( &li->idassert_authzID, &id );
+
+ } else {
+ struct berval dn;
+
+ /* default is DN? */
+ if ( strncasecmp( id.bv_val, "dn:", STRLENOF( "dn:" ) ) == 0 ) {
+ id.bv_val += STRLENOF( "dn:" );
+ id.bv_len -= STRLENOF( "dn:" );
+ }
+
+ rc = dnNormalize( 0, NULL, NULL, &id, &dn, NULL );
+ if ( rc != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
+ fname, lineno, argv[1] );
+ return 1;
+ }
+
+ li->idassert_authzID.bv_len = STRLENOF( "dn:" ) + dn.bv_len;
+ li->idassert_authzID.bv_val = ch_malloc( li->idassert_authzID.bv_len + 1 );
+ AC_MEMCPY( li->idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
+ AC_MEMCPY( &li->idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], dn.bv_val, dn.bv_len + 1 );
+ ch_free( dn.bv_val );
+
+ li->idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
+ }
}
- if ( strcmp( argv[2], "*" ) == 0 ) {
- if ( argc < 4 || strcmp( argv[3], "*" ) == 0 ) {
- map->drop_missing = ( argc < 4 );
- return 0;
+ for ( argc -= 2, argv += 2; argc--; argv++ ) {
+ if ( strcasecmp( argv[0], "override" ) == 0 ) {
+ li->idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
+
+ } else {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: unknown flag \"%s\" "
+ "in \"idassert-mode <args> "
+ "[<flags>]\" line.\n",
+ fname, lineno, argv[0] );
+ return 1;
}
- src = dst = argv[3];
- } else if ( argc < 4 ) {
- src = "";
- dst = argv[2];
- } else {
- src = argv[2];
- dst = ( strcmp( argv[3], "*" ) == 0 ? src : argv[3] );
}
- if ( ( map == &li->at_map )
- && ( strcasecmp( src, "objectclass" ) == 0
- || strcasecmp( dst, "objectclass" ) == 0 ) )
- {
- fprintf( stderr,
- "%s: line %d: objectclass attribute cannot be mapped\n",
- fname, lineno );
- }
+ /* name to use for proxyAuthz propagation */
+ } else if ( strcasecmp( argv[0], "idassert-authcdn" ) == 0
+ || strcasecmp( argv[0], "proxyauthzdn" ) == 0 )
+ {
+ struct berval dn;
+ int rc;
+
+ /* FIXME: "proxyauthzdn" is no longer documented, and
+ * temporarily supported for backwards compatibility */
- mapping = (struct ldapmapping *)ch_calloc( 2,
- sizeof(struct ldapmapping) );
- if ( mapping == NULL ) {
+ if ( argc != 2 ) {
fprintf( stderr,
- "%s: line %d: out of memory\n",
- fname, lineno );
+ "%s: line %d: missing name in \"%s <name>\" line\n",
+ fname, lineno, argv[0] );
return( 1 );
}
- ber_str2bv( src, 0, 1, &mapping->src );
- ber_str2bv( dst, 0, 1, &mapping->dst );
- mapping[1].src = mapping->dst;
- mapping[1].dst = mapping->src;
-
- if ( (*src != '\0' &&
- avl_find( map->map, (caddr_t)mapping, mapping_cmp ) != NULL) ||
- avl_find( map->remap, (caddr_t)&mapping[1], mapping_cmp ) != NULL)
- {
- fprintf( stderr,
- "%s: line %d: duplicate mapping found (ignored)\n",
- fname, lineno );
- return 0;
+
+ if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
+ fprintf( stderr, "%s: line %d: "
+ "authcDN already defined; replacing...\n",
+ fname, lineno );
+ ch_free( li->idassert_authcDN.bv_val );
+ }
+
+ ber_str2bv( argv[1], 0, 0, &dn );
+ rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
+ if ( rc != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
+ fname, lineno, argv[1] );
+ return 1;
}
- if ( *src != '\0' )
- avl_insert( &map->map, (caddr_t)mapping,
- mapping_cmp, mapping_dup );
- avl_insert( &map->remap, (caddr_t)&mapping[1],
- mapping_cmp, mapping_dup );
+ /* password to use for proxyAuthz propagation */
+ } else if ( strcasecmp( argv[0], "idassert-passwd" ) == 0
+ || strcasecmp( argv[0], "proxyauthzpw" ) == 0 )
+ {
+ /* FIXME: "proxyauthzpw" is no longer documented, and
+ * temporarily supported for backwards compatibility */
- /* anything else */
- } else {
- fprintf( stderr, "%s: line %d: unknown directive \"%s\" "
- "in ldap database definition (ignored)\n",
- fname, lineno, argv[0] );
- }
- return 0;
-}
+ if ( argc != 2 ) {
+ fprintf( stderr,
+ "%s: line %d: missing password in \"%s <password>\" line\n",
+ fname, lineno, argv[0] );
+ return( 1 );
+ }
-#ifdef ENABLE_REWRITE
-static char *
-suffix_massage_regexize( const char *s )
-{
- char *res, *ptr;
- const char *p, *r;
- int i;
-
- for ( i = 0, p = s;
- ( r = strchr( p, ',' ) ) != NULL;
- p = r + 1, i++ )
- ;
-
- res = ch_calloc( sizeof( char ), strlen( s ) + 4 + 4*i + 1 );
-
- ptr = lutil_strcopy( res, "(.*)" );
- for ( i = 0, p = s;
- ( r = strchr( p, ',' ) ) != NULL;
- p = r + 1 , i++ ) {
- ptr = lutil_strncopy( ptr, p, r - p + 1 );
- ptr = lutil_strcopy( ptr, "[ ]?" );
-
- if ( r[ 1 ] == ' ' ) {
- r++;
+ if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
+ fprintf( stderr, "%s: line %d: "
+ "passwd already defined; replacing...\n",
+ fname, lineno );
+ ch_free( li->idassert_passwd.bv_val );
}
- }
- lutil_strcopy( ptr, p );
+
+ ber_str2bv( argv[1], 0, 1, &li->idassert_passwd );
- return res;
-}
+ /* rules to accept identity assertion... */
+ } else if ( strcasecmp( argv[0], "idassert-authzFrom" ) == 0 ) {
+ struct berval rule;
-static char *
-suffix_massage_patternize( const char *s )
-{
- ber_len_t len;
- char *res;
+ ber_str2bv( argv[1], 0, 1, &rule );
- len = strlen( s );
+ ber_bvarray_add( &li->idassert_authz, &rule );
- res = ch_calloc( sizeof( char ), len + sizeof( "%1" ) );
- if ( res == NULL ) {
- return NULL;
- }
+ } else if ( strcasecmp( argv[0], "idassert-method" ) == 0 ) {
+ if ( argc < 2 ) {
+ fprintf( stderr,
+ "%s: line %d: missing method in \"%s <method>\" line\n",
+ fname, lineno, argv[0] );
+ return( 1 );
+ }
- strcpy( res, "%1" );
- strcpy( res + sizeof( "%1" ) - 1, s );
+ if ( strcasecmp( argv[1], "none" ) == 0 ) {
+ /* FIXME: is this useful? */
+ li->idassert_authmethod = LDAP_AUTH_NONE;
- return res;
-}
+ if ( argc != 2 ) {
+ fprintf( stderr,
+ "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
+ fname, lineno, argv[0], argv[1] );
+ }
-int
-suffix_massage_config(
- struct rewrite_info *info,
- struct berval *pvnc,
- struct berval *nvnc,
- struct berval *prnc,
- struct berval *nrnc
-)
-{
- char *rargv[ 5 ];
- int line = 0;
-
- rargv[ 0 ] = "rewriteEngine";
- rargv[ 1 ] = "on";
- rargv[ 2 ] = NULL;
- rewrite_parse( info, "<suffix massage>", ++line, 2, rargv );
-
- rargv[ 0 ] = "rewriteContext";
- rargv[ 1 ] = "default";
- rargv[ 2 ] = NULL;
- rewrite_parse( info, "<suffix massage>", ++line, 2, rargv );
-
- rargv[ 0 ] = "rewriteRule";
- rargv[ 1 ] = suffix_massage_regexize( pvnc->bv_val );
- rargv[ 2 ] = suffix_massage_patternize( prnc->bv_val );
- rargv[ 3 ] = ":";
- rargv[ 4 ] = NULL;
- rewrite_parse( info, "<suffix massage>", ++line, 4, rargv );
- ch_free( rargv[ 1 ] );
- ch_free( rargv[ 2 ] );
-
- rargv[ 0 ] = "rewriteContext";
- rargv[ 1 ] = "searchResult";
- rargv[ 2 ] = NULL;
- rewrite_parse( info, "<suffix massage>", ++line, 2, rargv );
-
- rargv[ 0 ] = "rewriteRule";
- rargv[ 1 ] = suffix_massage_regexize( prnc->bv_val );
- rargv[ 2 ] = suffix_massage_patternize( pvnc->bv_val );
- rargv[ 3 ] = ":";
- rargv[ 4 ] = NULL;
- rewrite_parse( info, "<suffix massage>", ++line, 4, rargv );
- ch_free( rargv[ 1 ] );
- ch_free( rargv[ 2 ] );
-
- /*
- * the filter should be rewritten as
- *
- * rewriteRule
- * "(.*)member=([^)]+),o=Foo Bar,[ ]?c=US(.*)"
- * "%1member=%2,dc=example,dc=com%3"
- *
- * where "o=Foo Bar, c=US" is the virtual naming context,
- * and "dc=example, dc=com" is the real naming context
- */
- rargv[ 0 ] = "rewriteContext";
- rargv[ 1 ] = "searchFilter";
- rargv[ 2 ] = NULL;
- rewrite_parse( info, "<suffix massage>", ++line, 2, rargv );
-
-#if 1 /* rewrite filters */
- {
- /*
- * Note: this is far more optimistic than desirable:
- * for any AVA value ending with the virtual naming
- * context the terminal part will be replaced by the
- * real naming context; a better solution would be to
- * walk the filter looking for DN-valued attributes,
- * and only rewrite those that require rewriting
- */
- char vbuf_[BUFSIZ], *vbuf = vbuf_,
- rbuf_[BUFSIZ], *rbuf = rbuf_;
- int len;
-
- len = snprintf( vbuf, sizeof( vbuf_ ),
- "(.*)%s\\)(.*)", nvnc->bv_val );
- if ( len == -1 ) {
- /*
- * traditional behavior: snprintf returns -1
- * if buffer is insufficient
- */
- return -1;
+ } else if ( strcasecmp( argv[1], "simple" ) == 0 ) {
+ li->idassert_authmethod = LDAP_AUTH_SIMPLE;
- } else if ( len >= (int)sizeof( vbuf_ ) ) {
- /*
- * C99: snprintf returns the required size
- */
- vbuf = ch_malloc( len + 1 );
- len = snprintf( vbuf, len,
- "(.*)%s\\)(.*)", nvnc->bv_val );
- assert( len > 0 );
- }
+ if ( argc != 2 ) {
+ fprintf( stderr,
+ "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
+ fname, lineno, argv[0], argv[1] );
+ }
- len = snprintf( rbuf, sizeof( rbuf_ ), "%%1%s)%%2",
- nrnc->bv_val );
- if ( len == -1 ) {
- return -1;
+ } else if ( strcasecmp( argv[1], "sasl" ) == 0 ) {
+#ifdef HAVE_CYRUS_SASL
+ int arg;
+
+ for ( arg = 2; arg < argc; arg++ ) {
+ if ( strncasecmp( argv[arg], "mech=", STRLENOF( "mech=" ) ) == 0 ) {
+ char *val = argv[arg] + STRLENOF( "mech=" );
+
+ if ( !BER_BVISNULL( &li->idassert_sasl_mech ) ) {
+ fprintf( stderr, "%s: line %d: "
+ "SASL mech already defined; replacing...\n",
+ fname, lineno );
+ ch_free( li->idassert_sasl_mech.bv_val );
+ }
+ ber_str2bv( val, 0, 1, &li->idassert_sasl_mech );
+
+ } else if ( strncasecmp( argv[arg], "realm=", STRLENOF( "realm=" ) ) == 0 ) {
+ char *val = argv[arg] + STRLENOF( "realm=" );
+
+ if ( !BER_BVISNULL( &li->idassert_sasl_realm ) ) {
+ fprintf( stderr, "%s: line %d: "
+ "SASL realm already defined; replacing...\n",
+ fname, lineno );
+ ch_free( li->idassert_sasl_realm.bv_val );
+ }
+ ber_str2bv( val, 0, 1, &li->idassert_sasl_realm );
+
+ } else if ( strncasecmp( argv[arg], "authcdn=", STRLENOF( "authcdn=" ) ) == 0 ) {
+ char *val = argv[arg] + STRLENOF( "authcdn=" );
+ struct berval dn;
+ int rc;
+
+ if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
+ fprintf( stderr, "%s: line %d: "
+ "SASL authcDN already defined; replacing...\n",
+ fname, lineno );
+ ch_free( li->idassert_authcDN.bv_val );
+ }
+ if ( strncasecmp( argv[arg], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
+ val += STRLENOF( "dn:" );
+ }
+
+ ber_str2bv( val, 0, 0, &dn );
+ rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
+ if ( rc != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: SASL authcdn \"%s\" is not a valid DN\n",
+ fname, lineno, val );
+ return 1;
+ }
+
+ } else if ( strncasecmp( argv[arg], "authcid=", STRLENOF( "authcid=" ) ) == 0 ) {
+ char *val = argv[arg] + STRLENOF( "authcid=" );
+
+ if ( !BER_BVISNULL( &li->idassert_authcID ) ) {
+ fprintf( stderr, "%s: line %d: "
+ "SASL authcID already defined; replacing...\n",
+ fname, lineno );
+ ch_free( li->idassert_authcID.bv_val );
+ }
+ if ( strncasecmp( argv[arg], "u:", STRLENOF( "u:" ) ) == 0 ) {
+ val += STRLENOF( "u:" );
+ }
+ ber_str2bv( val, 0, 1, &li->idassert_authcID );
+
+ } else if ( strncasecmp( argv[arg], "cred=", STRLENOF( "cred=" ) ) == 0 ) {
+ char *val = argv[arg] + STRLENOF( "cred=" );
+
+ if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
+ fprintf( stderr, "%s: line %d: "
+ "SASL cred already defined; replacing...\n",
+ fname, lineno );
+ ch_free( li->idassert_passwd.bv_val );
+ }
+ ber_str2bv( val, 0, 1, &li->idassert_passwd );
+
+ } else if ( strncasecmp( argv[arg], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
+ char *val = argv[arg] + STRLENOF( "authz=" );
+
+ if ( strcasecmp( val, "proxyauthz" ) == 0 ) {
+ li->idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
+
+ } else if ( strcasecmp( val, "native" ) == 0 ) {
+ li->idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
+
+ } else {
+ fprintf( stderr, "%s: line %s: "
+ "unknown authz mode \"%s\"\n",
+ fname, lineno, val );
+ return 1;
+ }
+
+ } else {
+ fprintf( stderr, "%s: line %d: "
+ "unknown SASL parameter %s\n",
+ fname, lineno, argv[arg] );
+ return 1;
+ }
+ }
- } else if ( len >= (int)sizeof( rbuf_ ) ) {
- rbuf = ch_malloc( len + 1 );
- len = snprintf( rbuf, sizeof( rbuf_ ), "%%1%s)%%2",
- nrnc->bv_val );
- assert( len > 0 );
- }
-
- rargv[ 0 ] = "rewriteRule";
- rargv[ 1 ] = vbuf;
- rargv[ 2 ] = rbuf;
- rargv[ 3 ] = ":";
- rargv[ 4 ] = NULL;
- rewrite_parse( info, "<suffix massage>", ++line, 4, rargv );
-
- if ( vbuf != vbuf_ ) {
- ch_free( vbuf );
- }
+ li->idassert_authmethod = LDAP_AUTH_SASL;
- if ( rbuf != rbuf_ ) {
- ch_free( rbuf );
+#else /* !HAVE_CYRUS_SASL */
+ fprintf( stderr, "%s: line %d: "
+ "compile --with-cyrus-sasl to enable SASL auth\n",
+ fname, lineno );
+ return 1;
+#endif /* !HAVE_CYRUS_SASL */
+
+ } else {
+ fprintf( stderr, "%s: line %d: "
+ "unhandled idassert-method method %s\n",
+ fname, lineno, argv[1] );
+ return 1;
}
+
+ } else {
+ return SLAP_CONF_UNKNOWN;
}
-#endif /* rewrite filters */
-
-#if 0 /* "matched" is not normalized */
- rargv[ 0 ] = "rewriteContext";
- rargv[ 1 ] = "matchedDn";
- rargv[ 2 ] = "alias";
- rargv[ 3 ] = "searchResult";
- rargv[ 4 ] = NULL;
- rewrite_parse( info, "<suffix massage>", ++line, 4, rargv );
-#else /* normalize "matched" */
- rargv[ 0 ] = "rewriteContext";
- rargv[ 1 ] = "matchedDn";
- rargv[ 2 ] = NULL;
- rewrite_parse( info, "<suffix massage>", ++line, 2, rargv );
-
- rargv[ 0 ] = "rewriteRule";
- rargv[ 1 ] = suffix_massage_regexize( prnc->bv_val );
- rargv[ 2 ] = suffix_massage_patternize( nvnc->bv_val );
- rargv[ 3 ] = ":";
- rargv[ 4 ] = NULL;
- rewrite_parse( info, "<suffix massage>", ++line, 4, rargv );
- ch_free( rargv[ 1 ] );
- ch_free( rargv[ 2 ] );
-#endif /* normalize "matched" */
return 0;
}
-#endif /* ENABLE_REWRITE */
+#endif /* LDAP_BACK_PROXY_AUTHZ */