/* $OpenLDAP$ */
/*
- * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include "portable.h"
-#include <ac/stdlib.h>
#include <stdio.h>
-
-#include "slap.h"
-#include "proto-slap.h"
+#include <ac/stdlib.h>
+#include <ac/string.h>
#include <lber.h>
#include <ldap_log.h>
+#include "slap.h"
+
#ifdef HAVE_CYRUS_SASL
#include <limits.h>
-#include <sasl.h>
-#include <ldap_pvt.h>
+#ifdef HAVE_SASL_SASL_H
+#include <sasl/sasl.h>
+#else
+#include <sasl.h>
+#endif
-#ifdef SLAPD_SPASSWD
#include <lutil.h>
+#if SASL_VERSION_MAJOR >= 2
+#include <sasl/saslplug.h>
+#define SASL_CONST const
+#else
+#define SASL_CONST
#endif
+#include <ldap_pvt.h>
+
+/* Flags for telling slap_sasl_getdn() what type of identity is being passed */
+#define FLAG_GETDN_AUTHCID 2
+#define FLAG_GETDN_AUTHZID 4
+
static sasl_security_properties_t sasl_secprops;
+int slap_sasl_config( int cargc, char **cargv, char *line,
+ const char *fname, int lineno )
+{
+ /* set SASL proxy authorization policy */
+ if ( strcasecmp( cargv[0], "sasl-authz-policy" ) == 0 ) {
+ if ( cargc != 2 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONFIG, CRIT,
+ "%s: line %d: missing policy in \"sasl-authz-policy <policy>\" line\n",
+ fname, lineno, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: missing policy in \"sasl-authz-policy <policy>\" line\n",
+ fname, lineno, 0 );
+#endif
+
+ return( 1 );
+ }
+ if ( slap_sasl_setpolicy( cargv[1] ) ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONFIG, CRIT,
+ "%s: line %d: unable "
+ "to parse value \"%s\" "
+ "in \"sasl-authz-policy "
+ "<policy>\" line.\n",
+ fname, lineno, cargv[1] );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: unable "
+ "to parse value \"%s\" "
+ "in \"sasl-authz-policy "
+ "<policy>\" line\n",
+ fname, lineno, cargv[1] );
+#endif
+ return( 1 );
+ }
+
+
+ /* set SASL host */
+ } else if ( strcasecmp( cargv[0], "sasl-host" ) == 0 ) {
+ if ( cargc < 2 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONFIG, CRIT,
+ "%s: line %d: missing host in \"sasl-host <host>\" line\n",
+ fname, lineno, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: missing host in \"sasl-host <host>\" line\n",
+ fname, lineno, 0 );
+#endif
+
+ return( 1 );
+ }
+
+ if ( global_host != NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONFIG, CRIT,
+ "%s: line %d: already set sasl-host!\n",
+ fname, lineno, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: already set sasl-host!\n",
+ fname, lineno, 0 );
+#endif
+
+ return 1;
+
+ } else {
+ global_host = ch_strdup( cargv[1] );
+ }
+
+ /* set SASL realm */
+ } else if ( strcasecmp( cargv[0], "sasl-realm" ) == 0 ) {
+ if ( cargc < 2 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONFIG, CRIT,
+ "%s: line %d: missing realm in \"sasl-realm <realm>\" line.\n",
+ fname, lineno, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: missing realm in \"sasl-realm <realm>\" line\n",
+ fname, lineno, 0 );
+#endif
+
+ return( 1 );
+ }
+
+ if ( global_realm != NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONFIG, CRIT,
+ "%s: line %d: already set sasl-realm!\n",
+ fname, lineno, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: already set sasl-realm!\n",
+ fname, lineno, 0 );
+#endif
+
+ return 1;
+
+ } else {
+ global_realm = ch_strdup( cargv[1] );
+ }
+
+ } else if ( !strcasecmp( cargv[0], "sasl-regexp" )
+ || !strcasecmp( cargv[0], "saslregexp" ) )
+ {
+ int rc;
+ if ( cargc != 3 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONFIG, CRIT,
+ "%s: line %d: need 2 args in "
+ "\"saslregexp <match> <replace>\"\n",
+ fname, lineno, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: need 2 args in \"saslregexp <match> <replace>\"\n",
+ fname, lineno, 0 );
+#endif
+
+ return( 1 );
+ }
+ rc = slap_sasl_regexp_config( cargv[1], cargv[2] );
+ if ( rc ) {
+ return rc;
+ }
+
+ /* SASL security properties */
+ } else if ( strcasecmp( cargv[0], "sasl-secprops" ) == 0 ) {
+ char *txt;
+
+ if ( cargc < 2 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONFIG, CRIT,
+ "%s: line %d: missing flags in "
+ "\"sasl-secprops <properties>\" line\n",
+ fname, lineno, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: missing flags in \"sasl-secprops <properties>\" line\n",
+ fname, lineno, 0 );
+#endif
+
+ return 1;
+ }
+
+ txt = slap_sasl_secprops( cargv[1] );
+ if ( txt != NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONFIG, CRIT,
+ "%s: line %d sasl-secprops: %s\n",
+ fname, lineno, txt );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: sasl-secprops: %s\n",
+ fname, lineno, txt );
+#endif
+
+ return 1;
+ }
+ }
+
+ return LDAP_SUCCESS;
+}
static int
slap_sasl_log(
}
switch (priority) {
+#if SASL_VERSION_MAJOR >= 2
+ case SASL_LOG_NONE:
+ level = LDAP_DEBUG_NONE;
+ label = "None";
+ break;
+ case SASL_LOG_ERR:
+ level = LDAP_DEBUG_ANY;
+ label = "Error";
+ break;
+ case SASL_LOG_FAIL:
+ level = LDAP_DEBUG_ANY;
+ label = "Failure";
+ break;
+ case SASL_LOG_WARN:
+ level = LDAP_DEBUG_TRACE;
+ label = "Warning";
+ break;
+ case SASL_LOG_NOTE:
+ level = LDAP_DEBUG_TRACE;
+ label = "Notice";
+ break;
+ case SASL_LOG_DEBUG:
+ level = LDAP_DEBUG_TRACE;
+ label = "Debug";
+ break;
+ case SASL_LOG_TRACE:
+ level = LDAP_DEBUG_TRACE;
+ label = "Trace";
+ break;
+ case SASL_LOG_PASS:
+ level = LDAP_DEBUG_TRACE;
+ label = "Password Trace";
+ break;
+#else
case SASL_LOG_ERR:
level = LDAP_DEBUG_ANY;
label = "Error";
level = LDAP_DEBUG_TRACE;
label = "Info";
break;
+#endif
default:
return SASL_BADPARAM;
}
- Debug( level, "SASL [conn=%d] %s: %s\n",
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "SASL [conn=%ld] %s: %s\n", conn ? conn->c_connid : -1, label, message);
+#else
+ Debug( level, "SASL [conn=%ld] %s: %s\n",
conn ? conn->c_connid: -1,
label, message );
+#endif
+
+
+ return SASL_OK;
+}
+
+
+/* Take any sort of identity string and return a DN with the "dn:" prefix. The
+ string returned in *dn is in its own allocated memory, and must be free'd
+ by the calling process.
+ -Mark Adamson, Carnegie Mellon
+
+ The "dn:" prefix is no longer used anywhere inside slapd. It is only used
+ on strings passed in directly from SASL.
+ -Howard Chu, Symas Corp.
+*/
+
+#define SET_DN 1
+#define SET_U 2
+
+static struct berval ext_bv = { sizeof("EXTERNAL")-1, "EXTERNAL" };
+
+int slap_sasl_getdn( Connection *conn, char *id, int len,
+ char *user_realm, struct berval *dn, int flags )
+{
+ char *c1;
+ int rc, is_dn = 0, do_norm = 1;
+ sasl_conn_t *ctx;
+ struct berval dn2;
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_getdn: conn %d id=%s\n",
+ conn ? conn->c_connid : -1, id ? (*id ? id : "<empty>") : "NULL", 0 );
+#else
+ Debug( LDAP_DEBUG_ARGS, "slap_sasl_getdn: id=%s\n",
+ id?(*id?id:"<empty>"):"NULL",0,0 );
+#endif
+
+ dn->bv_val = NULL;
+ dn->bv_len = 0;
+
+ if ( id ) {
+ if ( len == 0 ) len = strlen( id );
+
+ /* Blatantly anonymous ID */
+ if ( len == sizeof("anonymous") - 1 &&
+ !strcasecmp( id, "anonymous" ) ) {
+ return( LDAP_SUCCESS );
+ }
+ } else {
+ len = 0;
+ }
+
+ ctx = conn->c_sasl_context;
+
+ /* An authcID needs to be converted to authzID form. Set the
+ * values directly into *dn; they will be normalized later. (and
+ * normalizing always makes a new copy.) An ID from a TLS certificate
+ * is already normalized, so copy it and skip normalization.
+ */
+ if( flags & FLAG_GETDN_AUTHCID ) {
+#ifdef HAVE_TLS
+ if( conn->c_is_tls && conn->c_sasl_bind_mech.bv_len == ext_bv.bv_len
+ && ( strcasecmp( ext_bv.bv_val, conn->c_sasl_bind_mech.bv_val ) == 0 ) ) {
+ /* X.509 DN is already normalized */
+ do_norm = 0;
+ is_dn = SET_DN;
+ ber_str2bv( id, len, 1, dn );
+
+ } else
+#endif
+ {
+ /* convert to u:<username> form */
+ is_dn = SET_U;
+ dn->bv_val = id;
+ dn->bv_len = len;
+ }
+ }
+ if( !is_dn ) {
+ if( !strncasecmp( id, "u:", sizeof("u:")-1 )) {
+ is_dn = SET_U;
+ dn->bv_val = id+2;
+ dn->bv_len = len-2;
+ } else if ( !strncasecmp( id, "dn:", sizeof("dn:")-1) ) {
+ is_dn = SET_DN;
+ dn->bv_val = id+3;
+ dn->bv_len = len-3;
+ }
+ }
+
+ /* No other possibilities from here */
+ if( !is_dn ) {
+ dn->bv_val = NULL;
+ dn->bv_len = 0;
+ return( LDAP_INAPPROPRIATE_AUTH );
+ }
+
+ /* Username strings */
+ if( is_dn == SET_U ) {
+ char *p, *realm;
+ len = dn->bv_len + sizeof("uid=")-1 + sizeof(",cn=auth")-1;
+
+ /* username may have embedded realm name */
+ if( ( realm = strchr( dn->bv_val, '@') ) ) {
+ *realm++ = '\0';
+ len += sizeof(",cn=")-2;
+ } else if( user_realm && *user_realm ) {
+ len += strlen( user_realm ) + sizeof(",cn=")-1;
+ }
+
+ if( conn->c_sasl_bind_mech.bv_len ) {
+ len += conn->c_sasl_bind_mech.bv_len + sizeof(",cn=")-1;
+ }
+
+ /* Build the new dn */
+ c1 = dn->bv_val;
+ dn->bv_val = ch_malloc( len+1 );
+ p = lutil_strcopy( dn->bv_val, "uid=" );
+ p = lutil_strncopy( p, c1, dn->bv_len );
+
+ if( realm ) {
+ int rlen = dn->bv_len - ( realm - c1 );
+ p = lutil_strcopy( p, ",cn=" );
+ p = lutil_strncopy( p, realm, rlen );
+ realm[-1] = '@';
+ } else if( user_realm && *user_realm ) {
+ p = lutil_strcopy( p, ",cn=" );
+ p = lutil_strcopy( p, user_realm );
+ }
+
+ if( conn->c_sasl_bind_mech.bv_len ) {
+ p = lutil_strcopy( p, ",cn=" );
+ p = lutil_strcopy( p, conn->c_sasl_bind_mech.bv_val );
+ }
+ p = lutil_strcopy( p, ",cn=auth" );
+ dn->bv_len = p - dn->bv_val;
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_getdn: u:id converted to %s.\n", dn->bv_val, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "getdn: u:id converted to %s\n", dn->bv_val,0,0 );
+#endif
+ }
+
+ /* All strings are in DN form now. Normalize if needed. */
+ if ( do_norm ) {
+ rc = dnNormalize2( NULL, dn, &dn2 );
+
+ /* User DNs were constructed above and must be freed now */
+ if ( is_dn == SET_U )
+ ch_free( dn->bv_val );
+
+ if ( rc != LDAP_SUCCESS ) {
+ dn->bv_val = NULL;
+ dn->bv_len = 0;
+ return rc;
+ }
+ *dn = dn2;
+ }
+
+ /* Run thru regexp */
+ slap_sasl2dn( conn, dn, &dn2 );
+ if( dn2.bv_val ) {
+ ch_free( dn->bv_val );
+ *dn = dn2;
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_getdn: dn:id converted to %s.\n", dn->bv_val, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "getdn: dn:id converted to %s\n",
+ dn->bv_val, 0, 0 );
+#endif
+ }
+
+ return( LDAP_SUCCESS );
+}
+
+#if SASL_VERSION_MAJOR >= 2
+static const char *slap_propnames[] = {
+ "*slapConn", "*authcDN", "*authzDN", NULL };
+
+static Filter *generic_filter;
+
+#define PROP_CONN 0
+#define PROP_AUTHC 1
+#define PROP_AUTHZ 2
+
+typedef struct lookup_info {
+ int last;
+ int flags;
+ const struct propval *list;
+ sasl_server_params_t *sparams;
+} lookup_info;
+
+static int
+sasl_ap_lookup(
+ BackendDB *be,
+ Connection *conn,
+ Operation *op,
+ Entry *e,
+ AttributeName *an,
+ int attrsonly,
+ LDAPControl **ctrls )
+{
+ BerVarray bv;
+ AttributeDescription *ad;
+ Attribute *a;
+ const char *text;
+ int rc, i;
+ slap_callback *tmp = op->o_callback;
+ lookup_info *sl = tmp->sc_private;
+
+ for( i = 0; i < sl->last; i++ ) {
+ const char *name = sl->list[i].name;
+
+ if ( name[0] == '*' ) {
+ if ( sl->flags & SASL_AUXPROP_AUTHZID ) continue;
+ name++;
+ } else if ( !(sl->flags & SASL_AUXPROP_AUTHZID ) )
+ continue;
+
+ if ( sl->list[i].values ) {
+ if ( !(sl->flags & SASL_AUXPROP_OVERRIDE) ) continue;
+ }
+ ad = NULL;
+ rc = slap_str2ad( name, &ad, &text );
+ if ( rc != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, DETAIL1,
+ "slap_auxprop: str2ad(%s): %s\n", name, text, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "slap_auxprop: str2ad(%s): %s\n", name, text, 0 );
+#endif
+ continue;
+ }
+ a = attr_find( e->e_attrs, ad );
+ if ( !a ) continue;
+ if ( ! access_allowed( be, conn, op, e, ad, NULL, ACL_AUTH, NULL ) )
+ continue;
+ if ( sl->list[i].values && ( sl->flags & SASL_AUXPROP_OVERRIDE ) )
+ sl->sparams->utils->prop_erase( sl->sparams->propctx, sl->list[i].name );
+ for ( bv = a->a_vals; bv->bv_val; bv++ ) {
+ sl->sparams->utils->prop_set( sl->sparams->propctx, sl->list[i].name,
+ bv->bv_val, bv->bv_len );
+ }
+ }
+ return LDAP_SUCCESS;
+}
+
+static void
+slap_auxprop_lookup(
+ void *glob_context,
+ sasl_server_params_t *sparams,
+ unsigned flags,
+ const char *user,
+ unsigned ulen)
+{
+ int rc, i, doit=0;
+ struct berval dn;
+ Connection *conn = NULL;
+ lookup_info sl;
+
+ sl.list = sparams->utils->prop_get( sparams->propctx );
+ sl.sparams = sparams;
+ sl.flags = flags;
+
+ /* Find our DN and conn first */
+ for( i = 0, sl.last = 0; sl.list[i].name; i++ ) {
+ if ( sl.list[i].name[0] == '*' ) {
+ if ( !strcmp( sl.list[i].name, slap_propnames[PROP_CONN] ) ) {
+ if ( sl.list[i].values && sl.list[i].values[0] )
+ AC_MEMCPY( &conn, sl.list[i].values[0], sizeof( conn ) );
+ if ( !sl.last ) sl.last = i;
+ }
+ if ( (flags & SASL_AUXPROP_AUTHZID) &&
+ !strcmp( sl.list[i].name, slap_propnames[PROP_AUTHZ] ) ) {
+
+ if ( sl.list[i].values && sl.list[i].values[0] )
+ AC_MEMCPY( &dn, sl.list[i].values[0], sizeof( dn ) );
+ if ( !sl.last ) sl.last = i;
+ break;
+ }
+ if ( !strcmp( sl.list[i].name, slap_propnames[PROP_AUTHC] ) ) {
+ if ( !sl.last ) sl.last = i;
+ if ( sl.list[i].values && sl.list[i].values[0] ) {
+ AC_MEMCPY( &dn, sl.list[i].values[0], sizeof( dn ) );
+ if ( !(flags & SASL_AUXPROP_AUTHZID) )
+ break;
+ }
+ }
+ }
+ }
+
+ /* Now see what else needs to be fetched */
+ for( i = 0; i < sl.last; i++ ) {
+ const char *name = sl.list[i].name;
+
+ if ( name[0] == '*' ) {
+ if ( flags & SASL_AUXPROP_AUTHZID ) continue;
+ name++;
+ } else if ( !(flags & SASL_AUXPROP_AUTHZID ) )
+ continue;
+
+ if ( sl.list[i].values ) {
+ if ( !(flags & SASL_AUXPROP_OVERRIDE) ) continue;
+ }
+ doit = 1;
+ }
+
+ if (doit) {
+ Backend *be;
+ Operation op = {0};
+ slap_callback cb = { slap_cb_null_response,
+ slap_cb_null_sresult, sasl_ap_lookup, NULL };
+
+ cb.sc_private = &sl;
+
+ be = select_backend( &dn, 0, 1 );
+
+ if ( be && be->be_search ) {
+ op.o_tag = LDAP_REQ_SEARCH;
+ op.o_protocol = LDAP_VERSION3;
+ op.o_ndn = conn->c_ndn;
+ op.o_callback = &cb;
+ op.o_time = slap_get_time();
+ op.o_do_not_cache = 1;
+ op.o_threadctx = conn->c_sasl_bindop->o_threadctx;
+
+ (*be->be_search)( be, conn, &op, NULL, &dn,
+ LDAP_SCOPE_BASE, LDAP_DEREF_NEVER, 1, 0,
+ generic_filter, NULL, NULL, 0 );
+ }
+ }
+}
+
+static sasl_auxprop_plug_t slap_auxprop_plugin = {
+ 0, /* Features */
+ 0, /* spare */
+ NULL, /* glob_context */
+ NULL, /* auxprop_free */
+ slap_auxprop_lookup,
+ "slapd", /* name */
+ NULL /* spare */
+};
+
+static int
+slap_auxprop_init(
+ const sasl_utils_t *utils,
+ int max_version,
+ int *out_version,
+ sasl_auxprop_plug_t **plug,
+ const char *plugname)
+{
+ if ( !out_version | !plug ) return SASL_BADPARAM;
+
+ if ( max_version < SASL_AUXPROP_PLUG_VERSION ) return SASL_BADVERS;
+
+ *out_version = SASL_AUXPROP_PLUG_VERSION;
+ *plug = &slap_auxprop_plugin;
+ return SASL_OK;
+}
+
+typedef struct checkpass_info {
+ int rc;
+ struct berval cred;
+} checkpass_info;
+
+static int
+sasl_cb_checkpass(
+ BackendDB *be,
+ Connection *conn,
+ Operation *op,
+ Entry *e,
+ AttributeName *an,
+ int attrsonly,
+ LDAPControl **ctrls )
+{
+ slap_callback *tmp = op->o_callback;
+ checkpass_info *ci = tmp->sc_private;
+ Attribute *a;
+ struct berval *bv;
+
+ ci->rc = SASL_NOVERIFY;
+
+ a = attr_find( e->e_attrs, slap_schema.si_ad_userPassword );
+ if ( !a ) return 0;
+ if ( ! access_allowed( be, conn, op, e, slap_schema.si_ad_userPassword,
+ NULL, ACL_AUTH, NULL ) ) return 0;
+
+ for ( bv = a->a_vals; bv->bv_val != NULL; bv++ ) {
+ if ( !lutil_passwd( bv, &ci->cred, NULL ) ) {
+ ci->rc = SASL_OK;
+ break;
+ }
+ }
+ return 0;
+}
+
+static int
+slap_sasl_checkpass(
+ sasl_conn_t *sconn,
+ void *context,
+ const char *username,
+ const char *pass,
+ unsigned passlen,
+ struct propctx *propctx)
+{
+ Connection *conn = (Connection *)context;
+ struct berval dn;
+ int rc;
+ Backend *be;
+ checkpass_info ci;
+
+ ci.rc = SASL_NOUSER;
+
+ /* SASL will fallback to its own mechanisms if we don't
+ * find an answer here.
+ */
+
+ rc = slap_sasl_getdn( conn, (char *)username, 0, NULL, &dn,
+ FLAG_GETDN_AUTHCID );
+ if ( rc != LDAP_SUCCESS ) {
+ sasl_seterror( sconn, 0, ldap_err2string( rc ) );
+ return SASL_NOUSER;
+ }
+
+ if ( dn.bv_len == 0 ) {
+ sasl_seterror( sconn, 0,
+ "No password is associated with the Root DSE" );
+ if ( dn.bv_val != NULL ) {
+ ch_free( dn.bv_val );
+ }
+ return SASL_NOUSER;
+ }
+
+ be = select_backend( &dn, 0, 1 );
+ if ( be && be->be_search ) {
+ Operation op = {0};
+ slap_callback cb = { slap_cb_null_response,
+ slap_cb_null_sresult, sasl_cb_checkpass, NULL };
+
+ ci.cred.bv_val = (char *)pass;
+ ci.cred.bv_len = passlen;
+
+ cb.sc_private = &ci;
+ op.o_tag = LDAP_REQ_SEARCH;
+ op.o_protocol = LDAP_VERSION3;
+ op.o_ndn = conn->c_ndn;
+ op.o_callback = &cb;
+ op.o_time = slap_get_time();
+ op.o_do_not_cache = 1;
+ op.o_threadctx = conn->c_sasl_bindop->o_threadctx;
+
+ (*be->be_search)( be, conn, &op, NULL, &dn,
+ LDAP_SCOPE_BASE, LDAP_DEREF_NEVER, 1, 0,
+ generic_filter, NULL, NULL, 0 );
+ }
+ if ( ci.rc != SASL_OK ) {
+ sasl_seterror( sconn, 0,
+ ldap_err2string( LDAP_INVALID_CREDENTIALS ) );
+ }
+
+ ch_free( dn.bv_val );
+
+ return ci.rc;
+}
+
+/* Convert a SASL authcid or authzid into a DN. Store the DN in an
+ * auxiliary property, so that we can refer to it in sasl_authorize
+ * without interfering with anything else. Also, the SASL username
+ * buffer is constrained to 256 characters, and our DNs could be
+ * much longer (totally arbitrary length)...
+ */
+static int
+slap_sasl_canonicalize(
+ sasl_conn_t *sconn,
+ void *context,
+ const char *in,
+ unsigned inlen,
+ unsigned flags,
+ const char *user_realm,
+ char *out,
+ unsigned out_max,
+ unsigned *out_len)
+{
+ Connection *conn = (Connection *)context;
+ struct propctx *props = sasl_auxprop_getctx( sconn );
+ struct propval auxvals[3];
+ struct berval dn;
+ int rc, which;
+ const char *names[2];
+
+ *out_len = 0;
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_canonicalize: conn %d %s=\"%s\"\n",
+ conn ? conn->c_connid : -1,
+ (flags & SASL_CU_AUTHID) ? "authcid" : "authzid", in ? in : "<empty>");
+#else
+ Debug( LDAP_DEBUG_ARGS, "SASL Canonicalize [conn=%ld]: "
+ "%s=\"%s\"\n",
+ conn ? conn->c_connid : -1,
+ (flags & SASL_CU_AUTHID) ? "authcid" : "authzid",
+ in ? in : "<empty>" );
+#endif
+
+ /* If name is too big, just truncate. We don't care, we're
+ * using DNs, not the usernames.
+ */
+ if ( inlen > out_max )
+ inlen = out_max-1;
+
+ /* See if we need to add request, can only do it once */
+ prop_getnames( props, slap_propnames, auxvals );
+ if ( !auxvals[0].name )
+ prop_request( props, slap_propnames );
+
+ if ( flags & SASL_CU_AUTHID )
+ which = PROP_AUTHC;
+ else
+ which = PROP_AUTHZ;
+
+ /* Need to store the Connection for auxprop_lookup */
+ if ( !auxvals[PROP_CONN].values ) {
+ names[0] = slap_propnames[PROP_CONN];
+ names[1] = NULL;
+ prop_set( props, names[0], (char *)&conn, sizeof( conn ) );
+ }
+
+ /* Already been here? */
+ if ( auxvals[which].values )
+ goto done;
+
+ if ( flags == SASL_CU_AUTHZID ) {
+ /* If we got unqualified authzid's, they probably came from SASL
+ * itself just passing the authcid to us. Look inside the oparams
+ * structure to see if that's true. (HACK: the out_len pointer is
+ * the address of a member of a sasl_out_params_t structure...)
+ */
+ sasl_out_params_t dummy;
+ int offset = (void *)&dummy.ulen - (void *)&dummy.authid;
+ char **authid = (void *)out_len - offset;
+ if ( *authid && !strcmp( in, *authid ) )
+ goto done;
+ }
+
+ rc = slap_sasl_getdn( conn, (char *)in, inlen, (char *)user_realm, &dn,
+ (flags & SASL_CU_AUTHID) ? FLAG_GETDN_AUTHCID : FLAG_GETDN_AUTHZID );
+ if ( rc != LDAP_SUCCESS ) {
+ sasl_seterror( sconn, 0, ldap_err2string( rc ) );
+ return SASL_NOAUTHZ;
+ }
+
+ names[0] = slap_propnames[which];
+ names[1] = NULL;
+
+ prop_set( props, names[0], (char *)&dn, sizeof( dn ) );
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_canonicalize: conn %d %s=\"%s\"\n",
+ conn ? conn->c_connid : -1, names[0]+1, dn.bv_val );
+#else
+ Debug( LDAP_DEBUG_ARGS, "SASL Canonicalize [conn=%ld]: "
+ "%s=\"%s\"\n",
+ conn ? conn->c_connid : -1,
+ names[0]+1, dn.bv_val );
+#endif
+done: AC_MEMCPY( out, in, inlen );
+ out[inlen] = '\0';
+
+ *out_len = inlen;
return SASL_OK;
}
+static int
+slap_sasl_authorize(
+ sasl_conn_t *sconn,
+ void *context,
+ char *requested_user,
+ unsigned rlen,
+ char *auth_identity,
+ unsigned alen,
+ const char *def_realm,
+ unsigned urlen,
+ struct propctx *props)
+{
+ Connection *conn = (Connection *)context;
+ struct propval auxvals[3];
+ struct berval authcDN, authzDN;
+ int rc;
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_authorize: conn %d authcid=\"%s\" authzid=\"%s\"\n",
+ conn ? conn->c_connid : -1, auth_identity, requested_user);
+#else
+ Debug( LDAP_DEBUG_ARGS, "SASL Authorize [conn=%ld]: "
+ "authcid=\"%s\" authzid=\"%s\"\n",
+ conn ? conn->c_connid : -1, auth_identity, requested_user );
+#endif
+ if ( conn->c_sasl_dn.bv_val ) {
+ ch_free( conn->c_sasl_dn.bv_val );
+ conn->c_sasl_dn.bv_val = NULL;
+ conn->c_sasl_dn.bv_len = 0;
+ }
+
+ /* Skip PROP_CONN */
+ prop_getnames( props, slap_propnames+1, auxvals );
+
+ AC_MEMCPY( &authcDN, auxvals[0].values[0], sizeof(authcDN) );
+
+ /* Nothing to do if no authzID was given */
+ if ( !auxvals[1].name || !auxvals[1].values ) {
+ conn->c_sasl_dn = authcDN;
+ return SASL_OK;
+ }
+
+ AC_MEMCPY( &authzDN, auxvals[1].values[0], sizeof(authzDN) );
+
+ rc = slap_sasl_authorized( conn, &authcDN, &authzDN );
+ ch_free( authcDN.bv_val );
+ if ( rc != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, INFO,
+ "slap_sasl_authorize: conn %ld authorization disallowed (%d)\n",
+ (long)(conn ? conn->c_connid : -1), rc, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
+ " authorization disallowed (%d)\n",
+ (long) (conn ? conn->c_connid : -1), rc, 0 );
+#endif
+
+ sasl_seterror( sconn, 0, "not authorized" );
+ ch_free( authzDN.bv_val );
+ return SASL_NOAUTHZ;
+ }
+
+ conn->c_sasl_dn = authzDN;
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_authorize: conn %d authorization allowed\n",
+ (long)(conn ? conn->c_connid : -1), 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
+ " authorization allowed\n",
+ (long) (conn ? conn->c_connid : -1), 0, 0 );
+#endif
+ return SASL_OK;
+}
+#else
static int
slap_sasl_authorize(
void *context,
- const char *authcid,
- const char *authzid,
+ char *authcid,
+ char *authzid,
const char **user,
const char **errstr)
{
- char *cuser;
+ struct berval authcDN, authzDN;
int rc;
Connection *conn = context;
+ char *realm;
*user = NULL;
-
- if ( authcid == NULL || *authcid == '\0' ) {
- *errstr = "empty authentication identity";
-
- Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
- "empty authentication identity\n",
- (long) (conn ? conn->c_connid : -1),
- 0, 0 );
- return SASL_BADAUTH;
+ if ( conn->c_sasl_dn.bv_val ) {
+ ch_free( conn->c_sasl_dn.bv_val );
+ conn->c_sasl_dn.bv_val = NULL;
+ conn->c_sasl_dn.bv_len = 0;
}
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_authorize: conn %d authcid=\"%s\" authzid=\"%s\"\n",
+ conn ? conn->c_connid : -1, authcid ? authcid : "<empty>",
+ authzid ? authzid : "<empty>" );
+#else
Debug( LDAP_DEBUG_ARGS, "SASL Authorize [conn=%ld]: "
"authcid=\"%s\" authzid=\"%s\"\n",
(long) (conn ? conn->c_connid : -1),
authcid ? authcid : "<empty>",
authzid ? authzid : "<empty>" );
+#endif
- if ( authzid == NULL || *authzid == '\0' ||
- strcmp( authcid, authzid ) == 0 )
- {
- size_t len = sizeof("u:") + strlen( authcid );
-
- cuser = ch_malloc( len );
- strcpy( cuser, "u:" );
- strcpy( &cuser[sizeof("u:")-1], authcid );
-
- *user = cuser;
+ /* Figure out how much data we have for the dn */
+ rc = sasl_getprop( conn->c_sasl_context, SASL_REALM, (void **)&realm );
+ if( rc != SASL_OK && rc != SASL_NOTDONE ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ERR,
+ "slap_sasl_authorize: getprop(REALM) failed.\n", 0, 0, 0 );
+#else
+ Debug(LDAP_DEBUG_TRACE,
+ "authorize: getprop(REALM) failed!\n", 0,0,0);
+#endif
+ *errstr = "Could not extract realm";
+ return SASL_NOAUTHZ;
+ }
+ /* Convert the identities to DN's. If no authzid was given, client will
+ be bound as the DN matching their username */
+ rc = slap_sasl_getdn( conn, (char *)authcid, 0, realm, &authcDN, FLAG_GETDN_AUTHCID );
+ if( rc != LDAP_SUCCESS ) {
+ *errstr = ldap_err2string( rc );
+ return SASL_NOAUTHZ;
+ }
+ if( ( authzid == NULL ) || !strcmp( authcid,authzid ) ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_authorize: conn %d Using authcDN=%s\n",
+ conn ? conn->c_connid : -1, authcDN.bv_val, 0 );
+#else
Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
- "\"%s\" as \"%s\"\n",
- (long) (conn ? conn->c_connid : -1),
- authcid, cuser );
+ "Using authcDN=%s\n", (long) (conn ? conn->c_connid : -1), authcDN.bv_val,0 );
+#endif
+ conn->c_sasl_dn = authcDN;
+ *errstr = NULL;
return SASL_OK;
}
+ rc = slap_sasl_getdn( conn, (char *)authzid, 0, realm, &authzDN, FLAG_GETDN_AUTHZID );
+ if( rc != LDAP_SUCCESS ) {
+ ch_free( authcDN.bv_val );
+ *errstr = ldap_err2string( rc );
+ return SASL_NOAUTHZ;
+ }
- rc = slap_sasl_authorized( conn, authcid, authzid );
- Debug( LDAP_DEBUG_TRACE, "SASL Authorization returned %d\n", rc,0,0);
+ rc = slap_sasl_authorized(conn, &authcDN, &authzDN );
+ ch_free( authcDN.bv_val );
if( rc ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, INFO,
+ "slap_sasl_authorize: conn %ld authorization disallowed (%d)\n",
+ (long)(conn ? conn->c_connid : -1), rc, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
+ " authorization disallowed (%d)\n",
+ (long) (conn ? conn->c_connid : -1), rc, 0 );
+#endif
+
*errstr = "not authorized";
+ ch_free( authzDN.bv_val );
return SASL_NOAUTHZ;
}
- cuser = ch_strdup( authzid );
- dn_normalize( cuser );
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, RESULTS,
+ "slap_sasl_authorize: conn %d authorization allowed\n",
+ (long)(conn ? conn->c_connid : -1 ), 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
+ " authorization allowed\n",
+ (long) (conn ? conn->c_connid : -1), 0, 0 );
+#endif
+
+ conn->c_sasl_dn = authzDN;
*errstr = NULL;
- *user = cuser;
return SASL_OK;
}
-
+#endif /* SASL_VERSION_MAJOR >= 2 */
static int
slap_sasl_err2ldap( int saslerr )
{
#ifdef HAVE_CYRUS_SASL
int rc;
- sasl_conn_t *server = NULL;
static sasl_callback_t server_callbacks[] = {
{ SASL_CB_LOG, &slap_sasl_log, 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)
+
+ 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,
+ "slap_sasl_init: SASL version mismatch, got %x, wanted %x.\n",
+ rc, SASL_BUILD_VERSION, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "slap_sasl_init: SASL version mismatch, got %x, wanted %x.\n",
+ rc, SASL_BUILD_VERSION, 0 );
+#endif
+ return -1;
+ }
+#endif
+
sasl_set_alloc(
- ch_malloc,
- ch_calloc,
- ch_realloc,
- ch_free );
+ ber_memalloc,
+ ber_memcalloc,
+ ber_memrealloc,
+ ber_memfree );
sasl_set_mutex(
ldap_pvt_sasl_mutex_new,
ldap_pvt_sasl_mutex_unlock,
ldap_pvt_sasl_mutex_dispose );
+#if SASL_VERSION_MAJOR >= 2
+ sasl_auxprop_add_plugin( "slapd", slap_auxprop_init );
+#endif
/* should provide callbacks for logging */
/* server name should be configurable */
rc = sasl_server_init( server_callbacks, "slapd" );
if( rc != SASL_OK ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, INFO, "slap_sasl_init: init failed.\n", 0, 0, 0 );
+#else
Debug( LDAP_DEBUG_ANY, "sasl_server_init failed\n",
0, 0, 0 );
+#endif
+
return -1;
}
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, INFO, "slap_sasl_init: initialized!\n", 0, 0, 0 );
+#else
Debug( LDAP_DEBUG_TRACE, "slap_sasl_init: initialized!\n",
0, 0, 0 );
+#endif
+
/* default security properties */
memset( &sasl_secprops, '\0', sizeof(sasl_secprops) );
- sasl_secprops.max_ssf = INT_MAX;
- sasl_secprops.maxbufsize = 65536;
- sasl_secprops.security_flags = SASL_SEC_NOPLAINTEXT|SASL_SEC_NOANONYMOUS;
-
- sasl_dispose( &server );
-
+ sasl_secprops.max_ssf = INT_MAX;
+ sasl_secprops.maxbufsize = 65536;
+ sasl_secprops.security_flags = SASL_SEC_NOPLAINTEXT|SASL_SEC_NOANONYMOUS;
#endif
+
return 0;
}
#ifdef HAVE_CYRUS_SASL
sasl_done();
#endif
+#if SASL_VERSION_MAJOR >= 2
+ filter_free( generic_filter );
+#endif
+ free( global_host );
+ global_host = NULL;
+
return 0;
}
int slap_sasl_open( Connection *conn )
{
- int sc = LDAP_SUCCESS;
+ int cb, sc = LDAP_SUCCESS;
+#if SASL_VERSION_MAJOR >= 2
+ char *ipremoteport = NULL, *iplocalport = NULL;
+#endif
#ifdef HAVE_CYRUS_SASL
sasl_conn_t *ctx = NULL;
conn->c_sasl_layers = 0;
session_callbacks =
+#if SASL_VERSION_MAJOR >= 2
+ ch_calloc( 5, sizeof(sasl_callback_t));
+#else
ch_calloc( 3, sizeof(sasl_callback_t));
+#endif
conn->c_sasl_extra = session_callbacks;
- session_callbacks[0].id = SASL_CB_LOG;
- session_callbacks[0].proc = &slap_sasl_log;
- session_callbacks[0].context = conn;
+ session_callbacks[cb=0].id = SASL_CB_LOG;
+ session_callbacks[cb].proc = &slap_sasl_log;
+ session_callbacks[cb++].context = conn;
- session_callbacks[1].id = SASL_CB_PROXY_POLICY;
- session_callbacks[1].proc = &slap_sasl_authorize;
- session_callbacks[1].context = conn;
+ session_callbacks[cb].id = SASL_CB_PROXY_POLICY;
+ session_callbacks[cb].proc = &slap_sasl_authorize;
+ session_callbacks[cb++].context = conn;
- session_callbacks[2].id = SASL_CB_LIST_END;
- session_callbacks[2].proc = NULL;
- session_callbacks[2].context = NULL;
+#if SASL_VERSION_MAJOR >= 2
+ session_callbacks[cb].id = SASL_CB_CANON_USER;
+ session_callbacks[cb].proc = &slap_sasl_canonicalize;
+ session_callbacks[cb++].context = conn;
+
+ /* XXXX: this should be conditional */
+ session_callbacks[cb].id = SASL_CB_SERVER_USERDB_CHECKPASS;
+ session_callbacks[cb].proc = &slap_sasl_checkpass;
+ session_callbacks[cb++].context = conn;
+#endif
+
+ session_callbacks[cb].id = SASL_CB_LIST_END;
+ session_callbacks[cb].proc = NULL;
+ session_callbacks[cb++].context = NULL;
if( global_host == NULL ) {
global_host = ldap_pvt_get_fqdn( NULL );
}
/* create new SASL context */
+#if SASL_VERSION_MAJOR >= 2
+ if ( generic_filter == NULL ) {
+ generic_filter = str2filter( "(objectclass=*)" );
+ }
+ if ( conn->c_sock_name.bv_len != 0 &&
+ strncmp( conn->c_sock_name.bv_val, "IP=", 3 ) == 0) {
+ char *p;
+
+ iplocalport = ch_strdup( conn->c_sock_name.bv_val + 3 );
+ /* Convert IPv6 addresses to address;port syntax. */
+ p = strrchr( iplocalport, ' ' );
+ /* Convert IPv4 addresses to address;port syntax. */
+ if ( p == NULL ) p = strchr( iplocalport, ':' );
+ if ( p != NULL ) {
+ *p = ';';
+ }
+ }
+ if ( conn->c_peer_name.bv_len != 0 &&
+ strncmp( conn->c_peer_name.bv_val, "IP=", 3 ) == 0) {
+ char *p;
+
+ ipremoteport = ch_strdup( conn->c_peer_name.bv_val + 3 );
+ /* Convert IPv6 addresses to address;port syntax. */
+ p = strrchr( ipremoteport, ' ' );
+ /* Convert IPv4 addresses to address;port syntax. */
+ if ( p == NULL ) p = strchr( ipremoteport, ':' );
+ if ( p != NULL ) {
+ *p = ';';
+ }
+ }
+ sc = sasl_server_new( "ldap", global_host, global_realm,
+ iplocalport, ipremoteport, session_callbacks, 0, &ctx );
+ if ( iplocalport != NULL ) {
+ ch_free( iplocalport );
+ }
+ if ( ipremoteport != NULL ) {
+ ch_free( ipremoteport );
+ }
+#else
sc = sasl_server_new( "ldap", global_host, global_realm,
session_callbacks, SASL_SECURITY_LAYER, &ctx );
+#endif
if( sc != SASL_OK ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ERR,
+ "slap_sasl_open: sasl_server_new failed: %d\n", sc, 0, 0 );
+#else
Debug( LDAP_DEBUG_ANY, "sasl_server_new failed: %d\n",
sc, 0, 0 );
+#endif
+
return -1;
}
SASL_SEC_PROPS, &sasl_secprops );
if( sc != SASL_OK ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ERR,
+ "slap_sasl_open: sasl_setprop failed: %d \n", sc, 0, 0 );
+#else
Debug( LDAP_DEBUG_ANY, "sasl_setprop failed: %d\n",
sc, 0, 0 );
+#endif
+
slap_sasl_close( conn );
return -1;
}
int slap_sasl_external(
Connection *conn,
slap_ssf_t ssf,
- char *auth_id )
+ const char *auth_id )
{
-#ifdef HAVE_CYRUS_SASL
+#if SASL_VERSION_MAJOR >= 2
+ int sc;
+ sasl_conn_t *ctx = conn->c_sasl_context;
+
+ if ( ctx == NULL ) {
+ return LDAP_UNAVAILABLE;
+ }
+
+ sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL, &ssf );
+
+ if ( sc != SASL_OK ) {
+ return LDAP_OTHER;
+ }
+
+ sc = sasl_setprop( ctx, SASL_AUTH_EXTERNAL, auth_id );
+
+ if ( sc != SASL_OK ) {
+ return LDAP_OTHER;
+ }
+
+#elif defined(HAVE_CYRUS_SASL)
int sc;
sasl_conn_t *ctx = conn->c_sasl_context;
sasl_external_properties_t extprops;
memset( &extprops, '\0', sizeof(extprops) );
extprops.ssf = ssf;
- extprops.auth_id = auth_id;
+ extprops.auth_id = (char *) auth_id;
sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL,
(void *) &extprops );
if( ctx != NULL ) {
int sc;
- char *mechstr;
+ SASL_CONST char *mechstr;
sc = sasl_listmech( ctx,
NULL, NULL, ",", NULL,
&mechstr, NULL, NULL );
if( sc != SASL_OK ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ERR,
+ "slap_sasl_mechs: sasl_listmech failed: %d\n", sc, 0, 0 );
+#else
Debug( LDAP_DEBUG_ANY, "slap_sasl_listmech failed: %d\n",
sc, 0, 0 );
+#endif
+
return NULL;
}
- mechs = str2charray( mechstr, "," );
+ mechs = ldap_str2charray( mechstr, "," );
+#if SASL_VERSION_MAJOR < 2
ch_free( mechstr );
+#endif
}
#endif
}
int slap_sasl_bind(
- Connection *conn,
- Operation *op,
- const char *dn,
- const char *ndn,
- struct berval *cred,
- char **edn,
- slap_ssf_t *ssfp )
+ Connection *conn,
+ Operation *op,
+ struct berval *dn,
+ struct berval *ndn,
+ struct berval *cred,
+ struct berval *edn,
+ slap_ssf_t *ssfp )
{
int rc = 1;
#ifdef HAVE_CYRUS_SASL
sasl_conn_t *ctx = conn->c_sasl_context;
struct berval response;
- unsigned reslen;
- const char *errstr;
+ unsigned reslen = 0;
+ const char *errstr = NULL;
int sc;
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "sasl_bind: dn=\"%s\" mech=%s datalen=%ld\n",
+ dn->bv_len ? dn->bv_val : "",
+ conn->c_sasl_bind_in_progress ? "<continuing>" :
+ conn->c_sasl_bind_mech.bv_val,
+ cred ? cred->bv_len : 0 );
+#else
Debug(LDAP_DEBUG_ARGS,
- "==> sasl_bind: dn=\"%s\" mech=%s datalen=%d\n", dn,
- conn->c_sasl_bind_in_progress ? "<continuing>":conn->c_sasl_bind_mech,
- cred ? cred->bv_len : 0 );
+ "==> sasl_bind: dn=\"%s\" mech=%s datalen=%ld\n",
+ dn->bv_len ? dn->bv_val : "",
+ conn->c_sasl_bind_in_progress ? "<continuing>":conn->c_sasl_bind_mech.bv_val,
+ cred ? cred->bv_len : 0 );
+#endif
+
if( ctx == NULL ) {
send_ldap_result( conn, op, LDAP_UNAVAILABLE,
return rc;
}
+#if SASL_VERSION_MAJOR >= 2
+#define START( ctx, mech, cred, clen, resp, rlen, err ) \
+ sasl_server_start( ctx, mech, cred, clen, resp, rlen )
+#define STEP( ctx, cred, clen, resp, rlen, err ) \
+ sasl_server_step( ctx, cred, clen, resp, rlen )
+#else
+#define START( ctx, mech, cred, clen, resp, rlen, err ) \
+ sasl_server_start( ctx, mech, cred, clen, resp, rlen, err )
+#define STEP( ctx, cred, clen, resp, rlen, err ) \
+ sasl_server_step( ctx, cred, clen, resp, rlen, err )
+#endif
+
if ( !conn->c_sasl_bind_in_progress ) {
- sc = sasl_server_start( ctx,
- conn->c_sasl_bind_mech,
- cred->bv_val, cred->bv_len,
- (char **)&response.bv_val, &reslen, &errstr );
+ sc = START( ctx,
+ conn->c_sasl_bind_mech.bv_val,
+ cred->bv_len ? cred->bv_val : "",
+ cred->bv_len,
+ (SASL_CONST char **)&response.bv_val, &reslen, &errstr );
} else {
- sc = sasl_server_step( ctx,
+ sc = STEP( ctx,
cred->bv_val, cred->bv_len,
- (char **)&response.bv_val, &reslen, &errstr );
+ (SASL_CONST char **)&response.bv_val, &reslen, &errstr );
}
response.bv_len = reslen;
if ( sc == SASL_OK ) {
- char *username = NULL;
-
- sc = sasl_getprop( ctx,
- SASL_USERNAME, (void **)&username );
-
- if ( sc != SASL_OK ) {
- Debug(LDAP_DEBUG_TRACE,
- "slap_sasl_bind: getprop(USERNAME) failed!\n",
- 0, 0, 0);
-
- send_ldap_result( conn, op, rc = slap_sasl_err2ldap( sc ),
- NULL, "no SASL username", NULL, NULL );
-
- } else if ( username == NULL || *username == '\0' ) {
- Debug(LDAP_DEBUG_TRACE,
- "slap_sasl_bind: getprop(USERNAME) returned NULL!\n",
- 0, 0, 0);
-
- send_ldap_result( conn, op, rc = LDAP_INSUFFICIENT_ACCESS,
- NULL, "no SASL username", NULL, NULL );
+ sasl_ssf_t *ssf = NULL;
- } else {
- char *realm = NULL;
- sasl_ssf_t *ssf = NULL;
+ *edn = conn->c_sasl_dn;
+ conn->c_sasl_dn.bv_val = NULL;
+ conn->c_sasl_dn.bv_len = 0;
- (void) sasl_getprop( ctx,
- SASL_REALM, (void **)&realm );
+ rc = LDAP_SUCCESS;
- (void) sasl_getprop( ctx,
- SASL_SSF, (void *)&ssf );
-
- Debug(LDAP_DEBUG_TRACE,
- "slap_sasl_bind: username=\"%s\" realm=\"%s\" ssf=%lu\n",
- username ? username : "",
- realm ? realm : "",
- (unsigned long) ( ssf ? *ssf : 0 ) );
-
- *ssfp = ssf ? *ssf : 0;
-
- rc = LDAP_SUCCESS;
-
- if( username == NULL || (
- !strncasecmp( username, "anonymous", sizeof("anonymous")-1 ) &&
- ( username[sizeof("anonymous")-1] == '\0' ||
- username[sizeof("anonymous")-1] == '@' ) ) )
- {
- Debug(LDAP_DEBUG_TRACE, "<== slap_sasl_bind: anonymous\n",
- 0, 0, 0);
-
- } else if ( username[0] == 'u' && username[1] == ':'
- && username[2] != '\0'
- && strpbrk( &username[2], "+=,;\"\\ \t") == NULL )
- {
- *edn = ch_malloc( sizeof( "uid= + realm=" )
- + strlen( &username[2] )
- + ( realm ? strlen( realm ) : 0 ) );
-
- strcpy( *edn, "uid=" );
- strcat( *edn, &username[2] );
-
- if( realm && *realm ) {
- strcat( *edn, " + realm=" );
- strcat( *edn, realm );
- }
+ (void) sasl_getprop( ctx, SASL_SSF, (void *)&ssf );
+ *ssfp = ssf ? *ssf : 0;
- Debug(LDAP_DEBUG_TRACE, "<== slap_sasl_bind: authzdn: \"%s\"\n",
- *edn, 0, 0);
-
- }
-
- if( rc == LDAP_SUCCESS ) {
- send_ldap_sasl( conn, op, rc,
- NULL, NULL, NULL, NULL,
- response.bv_len ? &response : NULL );
-
- } else {
- send_ldap_result( conn, op, rc,
- NULL, errstr, NULL, NULL );
- }
+ if( *ssfp ) {
+ ldap_pvt_thread_mutex_lock( &conn->c_mutex );
+ conn->c_sasl_layers++;
+ ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
}
+ send_ldap_sasl( conn, op, rc,
+ NULL, NULL, NULL, NULL,
+ response.bv_len ? &response : NULL );
+
} else if ( sc == SASL_CONTINUE ) {
send_ldap_sasl( conn, op, rc = LDAP_SASL_BIND_IN_PROGRESS,
NULL, NULL, NULL, NULL, &response );
} else {
+#if SASL_VERSION_MAJOR >= 2
+ errstr = sasl_errdetail( ctx );
+#endif
send_ldap_result( conn, op, rc = slap_sasl_err2ldap( sc ),
NULL, errstr, NULL, NULL );
}
+#if SASL_VERSION_MAJOR < 2
+ if( response.bv_len ) {
+ ch_free( response.bv_val );
+ }
+#endif
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, RESULTS, "slap_sasl_bind: rc=%d\n", rc, 0, 0 );
+#else
Debug(LDAP_DEBUG_TRACE, "<== slap_sasl_bind: rc=%d\n", rc, 0, 0);
+#endif
+
#else
send_ldap_result( conn, op, rc = LDAP_UNAVAILABLE,
return "SASL not supported";
#endif
}
+
+#ifdef HAVE_CYRUS_SASL
+int
+slap_sasl_setpass(
+ Connection *conn,
+ Operation *op,
+ const char *reqoid,
+ struct berval *reqdata,
+ char **rspoid,
+ struct berval **rspdata,
+ LDAPControl *** rspctrls,
+ const char **text )
+{
+ int rc;
+ struct berval id = { 0, NULL }; /* needs to come from connection */
+ struct berval new = { 0, NULL };
+ struct berval old = { 0, NULL };
+
+ assert( reqoid != NULL );
+ assert( strcmp( LDAP_EXOP_MODIFY_PASSWD, reqoid ) == 0 );
+
+ rc = sasl_getprop( conn->c_sasl_context, SASL_USERNAME,
+ (SASL_CONST void **)&id.bv_val );
+
+ if( rc != SASL_OK ) {
+ *text = "unable to retrieve SASL username";
+ rc = LDAP_OTHER;
+ goto done;
+ }
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACKEND, ENTRY,
+ "slap_sasl_setpass: \"%s\"\n",
+ id.bv_val ? id.bv_val : "", 0, 0);
+#else
+ Debug( LDAP_DEBUG_ARGS, "==> slap_sasl_setpass: \"%s\"\n",
+ id.bv_val ? id.bv_val : "", 0, 0 );
+#endif
+
+ rc = slap_passwd_parse( reqdata,
+ NULL, &old, &new, text );
+
+ if( rc != LDAP_SUCCESS ) {
+ goto done;
+ }
+
+ if( new.bv_len == 0 ) {
+ slap_passwd_generate(&new);
+
+ if( new.bv_len == 0 ) {
+ *text = "password generation failed.";
+ rc = LDAP_OTHER;
+ goto done;
+ }
+
+ *rspdata = slap_passwd_return( &new );
+ }
+
+#if SASL_VERSION_MAJOR < 2
+ rc = sasl_setpass( conn->c_sasl_context,
+ id.bv_val, new.bv_val, new.bv_len, 0, text );
+#else
+ rc = sasl_setpass( conn->c_sasl_context, id.bv_val,
+ new.bv_val, new.bv_len, old.bv_val, old.bv_len, 0 );
+ if( rc != SASL_OK ) {
+ *text = sasl_errdetail( conn->c_sasl_context );
+ }
+#endif
+ switch(rc) {
+ case SASL_OK:
+ rc = LDAP_SUCCESS;
+ break;
+
+ case SASL_NOCHANGE:
+ case SASL_NOMECH:
+ case SASL_DISABLED:
+ case SASL_PWLOCK:
+ case SASL_FAIL:
+ case SASL_BADPARAM:
+ default:
+ rc = LDAP_OTHER;
+ }
+
+done:
+ return rc;
+}
+#endif
projects / openldap / blobdiff