X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fsasl.c;h=f973098617c29da2d0a0d4aa90ff124528fa3492;hb=49b0985c88ea6836a24c314aea2cb2dd0d129544;hp=756ae1187beef67aa04c8f65909902af918525db;hpb=505a141c752be877ccfc1ee11c7c05782416d18f;p=openldap
diff --git a/servers/slapd/sasl.c b/servers/slapd/sasl.c
index 756ae1187b..f973098617 100644
--- a/servers/slapd/sasl.c
+++ b/servers/slapd/sasl.c
@@ -1,7 +1,16 @@
/* $OpenLDAP$ */
-/*
- * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* This work is part of OpenLDAP Software .
+ *
+ * Copyright 1998-2003 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * .
*/
#include "portable.h"
@@ -15,30 +24,36 @@
#include "slap.h"
-#ifdef HAVE_CYRUS_SASL
#include
-#ifdef HAVE_SASL_SASL_H
-#include
-#else
-#include
-#endif
+#ifdef HAVE_CYRUS_SASL
+# ifdef HAVE_SASL_SASL_H
+# include
+# else
+# include
+# endif
+
+# if SASL_VERSION_MAJOR >= 2
+# ifdef HAVE_SASL_SASL_H
+# include
+# else
+# include
+# endif
+# define SASL_CONST const
+# else
+# define SASL_CONST
+# endif
-#include
-#if SASL_VERSION_MAJOR >= 2
-#include
-#define SASL_CONST const
-#else
-#define SASL_CONST
-#endif
+static sasl_security_properties_t sasl_secprops;
-#include
+#define SASL_VERSION_FULL ((SASL_VERSION_MAJOR << 16) |\
+ (SASL_VERSION_MINOR << 8) | SASL_VERSION_STEP)
-/* Flags for telling slap_sasl_getdn() what type of identity is being passed */
-#define FLAG_GETDN_AUTHCID 2
-#define FLAG_GETDN_AUTHZID 4
+#endif /* HAVE_CYRUS_SASL */
-static sasl_security_properties_t sasl_secprops;
+#include "ldap_pvt.h"
+#include "lber_pvt.h"
+#include
int slap_sasl_config( int cargc, char **cargv, char *line,
const char *fname, int lineno )
@@ -48,11 +63,13 @@ int slap_sasl_config( int cargc, char **cargv, char *line,
if ( cargc != 2 ) {
#ifdef NEW_LOGGING
LDAP_LOG( CONFIG, CRIT,
- "%s: line %d: missing policy in \"sasl-authz-policy \" line\n",
- fname, lineno, 0 );
+ "%s: line %d: missing policy in"
+ " \"sasl-authz-policy \" line\n",
+ fname, lineno, 0 );
#else
Debug( LDAP_DEBUG_ANY,
- "%s: line %d: missing policy in \"sasl-authz-policy \" line\n",
+ "%s: line %d: missing policy in"
+ " \"sasl-authz-policy \" line\n",
fname, lineno, 0 );
#endif
@@ -76,18 +93,42 @@ int slap_sasl_config( int cargc, char **cargv, char *line,
#endif
return( 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 \"\n",
+ fname, lineno, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: need 2 args in "
+ "\"saslregexp \"\n",
+ fname, lineno, 0 );
+#endif
+
+ return( 1 );
+ }
+ rc = slap_sasl_regexp_config( cargv[1], cargv[2] );
+ if ( rc ) {
+ return rc;
+ }
+
+#ifdef HAVE_CYRUS_SASL
/* 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 \" line\n",
- fname, lineno, 0 );
+ "%s: line %d: missing host in \"sasl-host \" line\n",
+ fname, lineno, 0 );
#else
Debug( LDAP_DEBUG_ANY,
- "%s: line %d: missing host in \"sasl-host \" line\n",
+ "%s: line %d: missing host in \"sasl-host \" line\n",
fname, lineno, 0 );
#endif
@@ -97,8 +138,8 @@ int slap_sasl_config( int cargc, char **cargv, char *line,
if ( global_host != NULL ) {
#ifdef NEW_LOGGING
LDAP_LOG( CONFIG, CRIT,
- "%s: line %d: already set sasl-host!\n",
- fname, lineno, 0 );
+ "%s: line %d: already set sasl-host!\n",
+ fname, lineno, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"%s: line %d: already set sasl-host!\n",
@@ -115,12 +156,12 @@ int slap_sasl_config( int cargc, char **cargv, char *line,
} 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 \" line.\n",
- fname, lineno, 0 );
+ LDAP_LOG( CONFIG, CRIT, "%s: line %d: "
+ "missing realm in \"sasl-realm \" line.\n",
+ fname, lineno, 0 );
#else
- Debug( LDAP_DEBUG_ANY,
- "%s: line %d: missing realm in \"sasl-realm \" line\n",
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "missing realm in \"sasl-realm \" line.\n",
fname, lineno, 0 );
#endif
@@ -130,8 +171,8 @@ int slap_sasl_config( int cargc, char **cargv, char *line,
if ( global_realm != NULL ) {
#ifdef NEW_LOGGING
LDAP_LOG( CONFIG, CRIT,
- "%s: line %d: already set sasl-realm!\n",
- fname, lineno, 0 );
+ "%s: line %d: already set sasl-realm!\n",
+ fname, lineno, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"%s: line %d: already set sasl-realm!\n",
@@ -144,42 +185,18 @@ int slap_sasl_config( int cargc, char **cargv, char *line,
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 \"\n",
- fname, lineno, 0 );
-#else
- Debug( LDAP_DEBUG_ANY,
- "%s: line %d: need 2 args in \"saslregexp \"\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 \" line\n",
- fname, lineno, 0 );
+ LDAP_LOG( CONFIG, CRIT, "%s: line %d: "
+ "missing flags in \"sasl-secprops \" line\n",
+ fname, lineno, 0 );
#else
- Debug( LDAP_DEBUG_ANY,
- "%s: line %d: missing flags in \"sasl-secprops \" line\n",
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "missing flags in \"sasl-secprops \" line\n",
fname, lineno, 0 );
#endif
@@ -190,22 +207,25 @@ int slap_sasl_config( int cargc, char **cargv, char *line,
if ( txt != NULL ) {
#ifdef NEW_LOGGING
LDAP_LOG( CONFIG, CRIT,
- "%s: line %d sasl-secprops: %s\n",
- fname, lineno, txt );
+ "%s: line %d sasl-secprops: %s\n",
+ fname, lineno, txt );
#else
Debug( LDAP_DEBUG_ANY,
- "%s: line %d: sasl-secprops: %s\n",
+ "%s: line %d: sasl-secprops: %s\n",
fname, lineno, txt );
#endif
return 1;
}
+#endif /* HAVE_CYRUS_SASL */
}
return LDAP_SUCCESS;
}
-static int
+#ifdef HAVE_CYRUS_SASL
+
+int
slap_sasl_log(
void *context,
int priority,
@@ -285,183 +305,12 @@ slap_sasl_log(
}
-/* 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 : "") : "NULL", 0 );
-#else
- Debug( LDAP_DEBUG_ARGS, "slap_sasl_getdn: id=%s\n",
- id?(*id?id:""):"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: 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;
+static Filter generic_filter = { LDAP_FILTER_PRESENT };
+static struct berval generic_filterstr = BER_BVC("(objectclass=*)");
#define PROP_CONN 0
#define PROP_AUTHC 1
@@ -474,15 +323,10 @@ typedef struct lookup_info {
sasl_server_params_t *sparams;
} lookup_info;
+static slap_response sasl_ap_lookup, sasl_cb_checkpass;
+
static int
-sasl_ap_lookup(
- BackendDB *be,
- Connection *conn,
- Operation *op,
- Entry *e,
- AttributeName *an,
- int attrsonly,
- LDAPControl **ctrls )
+sasl_ap_lookup( Operation *op, SlapReply *rs )
{
BerVarray bv;
AttributeDescription *ad;
@@ -492,6 +336,8 @@ sasl_ap_lookup(
slap_callback *tmp = op->o_callback;
lookup_info *sl = tmp->sc_private;
+ if (rs->sr_type != REP_SEARCH) return 0;
+
for( i = 0; i < sl->last; i++ ) {
const char *name = sl->list[i].name;
@@ -516,15 +362,18 @@ sasl_ap_lookup(
#endif
continue;
}
- a = attr_find( e->e_attrs, ad );
+ a = attr_find( rs->sr_entry->e_attrs, ad );
if ( !a ) continue;
- if ( ! access_allowed( be, conn, op, e, ad, NULL, ACL_AUTH, NULL ) )
+ if ( ! access_allowed( op, rs->sr_entry, 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 );
+ }
+ 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 );
+ sl->sparams->utils->prop_set( sl->sparams->propctx,
+ sl->list[i].name, bv->bv_val, bv->bv_len );
}
}
return LDAP_SUCCESS;
@@ -538,8 +387,8 @@ slap_auxprop_lookup(
const char *user,
unsigned ulen)
{
+ Operation op = {0};
int rc, i, doit=0;
- struct berval dn;
Connection *conn = NULL;
lookup_info sl;
@@ -559,14 +408,14 @@ slap_auxprop_lookup(
!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 ) );
+ AC_MEMCPY( &op.o_req_ndn, sl.list[i].values[0], sizeof( struct berval ) );
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 ) );
+ AC_MEMCPY( &op.o_req_ndn, sl.list[i].values[0], sizeof( struct berval ) );
if ( !(flags & SASL_AUXPROP_AUTHZID) )
break;
}
@@ -591,29 +440,139 @@ slap_auxprop_lookup(
}
if (doit) {
- Backend *be;
- Operation op = {0};
- slap_callback cb = { slap_cb_null_response,
- slap_cb_null_sresult, sasl_ap_lookup, NULL };
+ slap_callback cb = { sasl_ap_lookup, NULL };
cb.sc_private = &sl;
- be = select_backend( &dn, 0, 1 );
+ op.o_bd = select_backend( &op.o_req_ndn, 0, 1 );
- if ( be && be->be_search ) {
+ if ( op.o_bd && op.o_bd->be_search ) {
+ SlapReply rs = {REP_RESULT};
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_is_auth_check = 1;
+ op.o_threadctx = conn->c_sasl_bindop->o_threadctx;
+ op.o_tmpmemctx = conn->c_sasl_bindop->o_tmpmemctx;
+ op.o_tmpmfuncs = conn->c_sasl_bindop->o_tmpmfuncs;
+ op.o_conn = conn;
+ op.o_connid = conn->c_connid;
+ op.o_req_dn = op.o_req_ndn;
+ op.ors_scope = LDAP_SCOPE_BASE;
+ op.ors_deref = LDAP_DEREF_NEVER;
+ op.ors_slimit = 1;
+ op.ors_filter = &generic_filter;
+ op.ors_filterstr = generic_filterstr;
+
+ op.o_bd->be_search( &op, &rs );
+ }
+ }
+}
- (*be->be_search)( be, conn, &op, NULL, &dn,
- LDAP_SCOPE_BASE, LDAP_DEREF_NEVER, 1, 0,
- generic_filter, NULL, NULL, 0 );
+#if SASL_VERSION_FULL >= 0x020110
+static int
+slap_auxprop_store(
+ void *glob_context,
+ sasl_server_params_t *sparams,
+ struct propctx *prctx,
+ const char *user,
+ unsigned ulen)
+{
+ Operation op = {0};
+ SlapReply rs = {REP_RESULT};
+ int rc, i, j;
+ Connection *conn = NULL;
+ const struct propval *pr;
+ Modifications *modlist = NULL, **modtail = &modlist, *mod;
+ slap_callback cb = { slap_null_cb, NULL };
+ char textbuf[SLAP_TEXT_BUFLEN];
+ const char *text;
+ size_t textlen = sizeof(textbuf);
+
+ /* just checking if we are enabled */
+ if (!prctx) return SASL_OK;
+
+ if (!sparams || !user) return SASL_BADPARAM;
+
+ pr = sparams->utils->prop_get( sparams->propctx );
+
+ /* Find our DN and conn first */
+ for( i = 0; pr[i].name; i++ ) {
+ if ( pr[i].name[0] == '*' ) {
+ if ( !strcmp( pr[i].name, slap_propnames[PROP_CONN] ) ) {
+ if ( pr[i].values && pr[i].values[0] )
+ AC_MEMCPY( &conn, pr[i].values[0], sizeof( conn ) );
+ continue;
+ }
+ if ( !strcmp( pr[i].name, slap_propnames[PROP_AUTHC] ) ) {
+ if ( pr[i].values && pr[i].values[0] ) {
+ AC_MEMCPY( &op.o_req_ndn, pr[i].values[0], sizeof( struct berval ) );
+ }
+ }
+ }
+ }
+ if (!conn || !op.o_req_ndn.bv_val) return SASL_BADPARAM;
+
+ op.o_bd = select_backend( &op.o_req_ndn, 0, 1 );
+
+ if ( !op.o_bd || !op.o_bd->be_modify ) return SASL_FAIL;
+
+ pr = sparams->utils->prop_get( prctx );
+ if (!pr) return SASL_BADPARAM;
+
+ for (i=0; pr[i].name; i++);
+ if (!i) return SASL_BADPARAM;
+
+ for (i=0; pr[i].name; i++) {
+ mod = (Modifications *)ch_malloc( sizeof(Modifications) );
+ mod->sml_op = LDAP_MOD_REPLACE;
+ ber_str2bv( pr[i].name, 0, 0, &mod->sml_type );
+ mod->sml_values = (struct berval *)ch_malloc( (pr[i].nvalues + 1) *
+ sizeof(struct berval));
+ for (j=0; jsml_values[j]);
}
+ mod->sml_values[j].bv_val = NULL;
+ mod->sml_values[j].bv_len = 0;
+ mod->sml_nvalues = NULL;
+ mod->sml_desc = NULL;
+ *modtail = mod;
+ modtail = &mod->sml_next;
}
+ *modtail = NULL;
+
+ rc = slap_mods_check( modlist, 0, &text, textbuf, textlen, NULL );
+
+ if ( rc == LDAP_SUCCESS ) {
+ rc = slap_mods_opattrs( &op, modlist, modtail, &text, textbuf,
+ textlen );
+ }
+
+ if ( rc == LDAP_SUCCESS ) {
+ op.o_tag = LDAP_REQ_MODIFY;
+ op.o_protocol = LDAP_VERSION3;
+ op.o_ndn = op.o_req_ndn;
+ op.o_callback = &cb;
+ op.o_time = slap_get_time();
+ op.o_do_not_cache = 1;
+ op.o_is_auth_check = 1;
+ op.o_threadctx = conn->c_sasl_bindop->o_threadctx;
+ op.o_tmpmemctx = conn->c_sasl_bindop->o_tmpmemctx;
+ op.o_tmpmfuncs = conn->c_sasl_bindop->o_tmpmfuncs;
+ op.o_conn = conn;
+ op.o_connid = conn->c_connid;
+ op.o_req_dn = op.o_req_ndn;
+ op.orm_modlist = modlist;
+
+ rc = op.o_bd->be_modify( &op, &rs );
+ }
+ slap_mods_free( modlist );
+ return rc ? SASL_FAIL : SASL_OK;
}
+#endif /* SASL_VERSION_FULL >= 2.1.16 */
static sasl_auxprop_plug_t slap_auxprop_plugin = {
0, /* Features */
@@ -622,7 +581,12 @@ static sasl_auxprop_plug_t slap_auxprop_plugin = {
NULL, /* auxprop_free */
slap_auxprop_lookup,
"slapd", /* name */
- NULL /* spare */
+#if SASL_VERSION_FULL >= 0x020110
+ slap_auxprop_store /* the declaration of this member changed
+ * in cyrus SASL from 2.1.15 to 2.1.16 */
+#else
+ NULL
+#endif
};
static int
@@ -648,29 +612,24 @@ typedef struct checkpass_info {
} checkpass_info;
static int
-sasl_cb_checkpass(
- BackendDB *be,
- Connection *conn,
- Operation *op,
- Entry *e,
- AttributeName *an,
- int attrsonly,
- LDAPControl **ctrls )
+sasl_cb_checkpass( Operation *op, SlapReply *rs )
{
slap_callback *tmp = op->o_callback;
checkpass_info *ci = tmp->sc_private;
Attribute *a;
struct berval *bv;
+ if (rs->sr_type != REP_SEARCH) return 0;
+
ci->rc = SASL_NOVERIFY;
- a = attr_find( e->e_attrs, slap_schema.si_ad_userPassword );
+ a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_userPassword );
if ( !a ) return 0;
- if ( ! access_allowed( be, conn, op, e, slap_schema.si_ad_userPassword,
+ if ( ! access_allowed( op, rs->sr_entry, 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 ) ) {
+ if ( !lutil_passwd( bv, &ci->cred, NULL, &rs->sr_text ) ) {
ci->rc = SASL_OK;
break;
}
@@ -688,9 +647,8 @@ slap_sasl_checkpass(
struct propctx *propctx)
{
Connection *conn = (Connection *)context;
- struct berval dn;
+ Operation op = {0};
int rc;
- Backend *be;
checkpass_info ci;
ci.rc = SASL_NOUSER;
@@ -699,27 +657,26 @@ slap_sasl_checkpass(
* find an answer here.
*/
- rc = slap_sasl_getdn( conn, (char *)username, 0, NULL, &dn,
- FLAG_GETDN_AUTHCID );
+ rc = slap_sasl_getdn( conn, NULL, (char *)username, 0, NULL, &op.o_req_ndn,
+ SLAP_GETDN_AUTHCID );
if ( rc != LDAP_SUCCESS ) {
sasl_seterror( sconn, 0, ldap_err2string( rc ) );
return SASL_NOUSER;
}
- if ( dn.bv_len == 0 ) {
+ if ( op.o_req_ndn.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 );
+ if ( op.o_req_ndn.bv_val != NULL ) {
+ ch_free( op.o_req_ndn.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 };
+ op.o_bd = select_backend( &op.o_req_ndn, 0, 1 );
+ if ( op.o_bd && op.o_bd->be_search ) {
+ slap_callback cb = { sasl_cb_checkpass, NULL };
+ SlapReply rs = {REP_RESULT};
ci.cred.bv_val = (char *)pass;
ci.cred.bv_len = passlen;
@@ -731,17 +688,27 @@ slap_sasl_checkpass(
op.o_callback = &cb;
op.o_time = slap_get_time();
op.o_do_not_cache = 1;
-
- (*be->be_search)( be, conn, &op, NULL, &dn,
- LDAP_SCOPE_BASE, LDAP_DEREF_NEVER, 1, 0,
- generic_filter, NULL, NULL, 0 );
+ op.o_is_auth_check = 1;
+ op.o_threadctx = conn->c_sasl_bindop->o_threadctx;
+ op.o_tmpmemctx = conn->c_sasl_bindop->o_tmpmemctx;
+ op.o_tmpmfuncs = conn->c_sasl_bindop->o_tmpmfuncs;
+ op.o_conn = conn;
+ op.o_connid = conn->c_connid;
+ op.o_req_dn = op.o_req_ndn;
+ op.ors_scope = LDAP_SCOPE_BASE;
+ op.ors_deref = LDAP_DEREF_NEVER;
+ op.ors_slimit = 1;
+ op.ors_filter = &generic_filter;
+ op.ors_filterstr = generic_filterstr;
+
+ op.o_bd->be_search( &op, &rs );
}
if ( ci.rc != SASL_OK ) {
sasl_seterror( sconn, 0,
ldap_err2string( LDAP_INVALID_CREDENTIALS ) );
}
- ch_free( dn.bv_val );
+ ch_free( op.o_req_ndn.bv_val );
return ci.rc;
}
@@ -777,13 +744,13 @@ slap_sasl_canonicalize(
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 : "");
+ (flags & SASL_CU_AUTHID) ? "authcid" : "authzid",
+ in ? in : "");
#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 : "" );
+ Debug( LDAP_DEBUG_ARGS, "SASL Canonicalize [conn=%ld]: %s=\"%s\"\n",
+ conn ? conn->c_connid : -1,
+ (flags & SASL_CU_AUTHID) ? "authcid" : "authzid",
+ in ? in : "");
#endif
/* If name is too big, just truncate. We don't care, we're
@@ -813,21 +780,32 @@ slap_sasl_canonicalize(
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...)
+ /* Normally we require an authzID to have a u: or dn: prefix.
+ * However, SASL frequently gives us an authzID that is just
+ * an exact copy of the authcID, without a prefix. We need to
+ * detect and allow this condition. If SASL calls canonicalize
+ * with SASL_CU_AUTHID|SASL_CU_AUTHZID this is a no-brainer.
+ * But if it's broken into two calls, we need to remember the
+ * authcID so that we can compare the authzID later. We store
+ * the authcID temporarily in conn->c_sasl_dn. We necessarily
+ * finish Canonicalizing before Authorizing, so there is no
+ * conflict with slap_sasl_authorize's use of this temp var.
+ *
+ * The SASL EXTERNAL mech is backwards from all the other mechs,
+ * it does authzID before the authcID. If we see that authzID
+ * has already been done, don't do anything special with authcID.
*/
- 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;
+ if ( flags == SASL_CU_AUTHID && !auxvals[PROP_AUTHZ].values ) {
+ conn->c_sasl_dn.bv_val = (char *) in;
+ } else if ( flags == SASL_CU_AUTHZID && conn->c_sasl_dn.bv_val ) {
+ rc = strcmp( in, conn->c_sasl_dn.bv_val );
+ conn->c_sasl_dn.bv_val = NULL;
+ /* They were equal, no work needed */
+ if ( !rc ) goto done;
}
- rc = slap_sasl_getdn( conn, (char *)in, inlen, (char *)user_realm, &dn,
- (flags & SASL_CU_AUTHID) ? FLAG_GETDN_AUTHCID : FLAG_GETDN_AUTHZID );
+ rc = slap_sasl_getdn( conn, NULL, (char *)in, inlen, (char *)user_realm, &dn,
+ (flags & SASL_CU_AUTHID) ? SLAP_GETDN_AUTHCID : SLAP_GETDN_AUTHZID );
if ( rc != LDAP_SUCCESS ) {
sasl_seterror( sconn, 0, ldap_err2string( rc ) );
return SASL_NOAUTHZ;
@@ -841,14 +819,16 @@ slap_sasl_canonicalize(
#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 );
+ conn ? conn->c_connid : -1, names[0]+1,
+ dn.bv_val ? 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 );
+ Debug( LDAP_DEBUG_ARGS, "SASL Canonicalize [conn=%ld]: %s=\"%s\"\n",
+ conn ? conn->c_connid : -1, names[0]+1,
+ dn.bv_val ? dn.bv_val : "" );
#endif
-done: AC_MEMCPY( out, in, inlen );
+
+done:
+ AC_MEMCPY( out, in, inlen );
out[inlen] = '\0';
*out_len = inlen;
@@ -878,7 +858,7 @@ slap_sasl_authorize(
"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]: "
+ Debug( LDAP_DEBUG_ARGS, "SASL proxy authorize [conn=%ld]: "
"authcid=\"%s\" authzid=\"%s\"\n",
conn ? conn->c_connid : -1, auth_identity, requested_user );
#endif
@@ -896,21 +876,22 @@ slap_sasl_authorize(
/* Nothing to do if no authzID was given */
if ( !auxvals[1].name || !auxvals[1].values ) {
conn->c_sasl_dn = authcDN;
- return SASL_OK;
+ goto ok;
}
AC_MEMCPY( &authzDN, auxvals[1].values[0], sizeof(authzDN) );
- rc = slap_sasl_authorized( conn, &authcDN, &authzDN );
+ rc = slap_sasl_authorized( conn->c_sasl_bindop, &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",
+ "slap_sasl_authorize: conn %ld "
+ "proxy 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",
+ Debug( LDAP_DEBUG_TRACE, "SASL Proxy Authorize [conn=%ld]: "
+ "proxy authorization disallowed (%d)\n",
(long) (conn ? conn->c_connid : -1), rc, 0 );
#endif
@@ -920,14 +901,21 @@ slap_sasl_authorize(
}
conn->c_sasl_dn = authzDN;
+ok:
+ if (conn->c_sasl_bindop) {
+ Statslog( LDAP_DEBUG_STATS,
+ "conn=%lu op=%lu BIND authcid=\"%s\"\n",
+ conn->c_connid, conn->c_sasl_bindop->o_opid,
+ auth_identity, 0, 0);
+ }
#ifdef NEW_LOGGING
LDAP_LOG( TRANSPORT, ENTRY,
- "slap_sasl_authorize: conn %d authorization allowed\n",
+ "slap_sasl_authorize: conn %d proxy authorization allowed\n",
(long)(conn ? conn->c_connid : -1), 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
- " authorization allowed\n",
+ " proxy authorization allowed\n",
(long) (conn ? conn->c_connid : -1), 0, 0 );
#endif
return SASL_OK;
@@ -967,7 +955,7 @@ slap_sasl_authorize(
#endif
/* Figure out how much data we have for the dn */
- rc = sasl_getprop( conn->c_sasl_context, SASL_REALM, (void **)&realm );
+ rc = sasl_getprop( conn->c_sasl_authctx, SASL_REALM, (void **)&realm );
if( rc != SASL_OK && rc != SASL_NOTDONE ) {
#ifdef NEW_LOGGING
LDAP_LOG( TRANSPORT, ERR,
@@ -982,7 +970,8 @@ slap_sasl_authorize(
/* 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 );
+ rc = slap_sasl_getdn( conn, NULL, (char *)authcid, 0, realm,
+ &authcDN, SLAP_GETDN_AUTHCID );
if( rc != LDAP_SUCCESS ) {
*errstr = ldap_err2string( rc );
return SASL_NOAUTHZ;
@@ -998,26 +987,27 @@ slap_sasl_authorize(
#endif
conn->c_sasl_dn = authcDN;
- *errstr = NULL;
- return SASL_OK;
+ goto ok;
}
- rc = slap_sasl_getdn( conn, (char *)authzid, 0, realm, &authzDN, FLAG_GETDN_AUTHZID );
+ rc = slap_sasl_getdn( conn, NULL, (char *)authzid, 0, realm,
+ &authzDN, SLAP_GETDN_AUTHZID );
if( rc != LDAP_SUCCESS ) {
ch_free( authcDN.bv_val );
*errstr = ldap_err2string( rc );
return SASL_NOAUTHZ;
}
- rc = slap_sasl_authorized(conn, &authcDN, &authzDN );
+ rc = slap_sasl_authorized(conn->c_sasl_bindop, &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",
+ "slap_sasl_authorize: conn %ld "
+ "proxy 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",
+ "proxy authorization disallowed (%d)\n",
(long) (conn ? conn->c_connid : -1), rc, 0 );
#endif
@@ -1025,10 +1015,12 @@ slap_sasl_authorize(
ch_free( authzDN.bv_val );
return SASL_NOAUTHZ;
}
+ conn->c_sasl_dn = authzDN;
+ok:
#ifdef NEW_LOGGING
LDAP_LOG( TRANSPORT, RESULTS,
- "slap_sasl_authorize: conn %d authorization allowed\n",
+ "slap_sasl_authorize: conn %d proxy authorization allowed\n",
(long)(conn ? conn->c_connid : -1 ), 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
@@ -1036,7 +1028,13 @@ slap_sasl_authorize(
(long) (conn ? conn->c_connid : -1), 0, 0 );
#endif
- conn->c_sasl_dn = authzDN;
+ if (conn->c_sasl_bindop) {
+ Statslog( LDAP_DEBUG_STATS,
+ "conn=%lu op=%lu BIND authcid=\"%s\"\n",
+ conn->c_connid, conn->c_sasl_bindop->o_opid,
+ authcid, 0, 0);
+ }
+
*errstr = NULL;
return SASL_OK;
}
@@ -1048,6 +1046,9 @@ slap_sasl_err2ldap( int saslerr )
int rc;
switch (saslerr) {
+ case SASL_OK:
+ rc = LDAP_SUCCESS;
+ break;
case SASL_CONTINUE:
rc = LDAP_SASL_BIND_IN_PROGRESS;
break;
@@ -1079,7 +1080,6 @@ slap_sasl_err2ldap( int saslerr )
}
#endif
-
int slap_sasl_init( void )
{
#ifdef HAVE_CYRUS_SASL
@@ -1089,11 +1089,42 @@ int slap_sasl_init( void )
{ SASL_CB_LIST_END, NULL, NULL }
};
+#ifdef HAVE_SASL_VERSION
+ /* stringify the version number, sasl.h doesn't do it for us */
+#define VSTR0(maj, min, pat) #maj "." #min "." #pat
+#define VSTR(maj, min, pat) VSTR0(maj, min, pat)
+#define SASL_VERSION_STRING VSTR(SASL_VERSION_MAJOR, SASL_VERSION_MINOR, \
+ SASL_VERSION_STEP)
+
+ sasl_version( NULL, &rc );
+ if ( ((rc >> 16) != ((SASL_VERSION_MAJOR << 8)|SASL_VERSION_MINOR)) ||
+ (rc & 0xffff) < SASL_VERSION_STEP) {
+ char version[sizeof("xxx.xxx.xxxxx")];
+ sprintf( version, "%u.%d.%d", (unsigned)rc >> 24, (rc >> 16) & 0xff,
+ rc & 0xffff );
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, INFO,
+ "slap_sasl_init: SASL library version mismatch:"
+ " expected " SASL_VERSION_STRING ","
+ " got %s\n", version, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "slap_sasl_init: SASL library version mismatch:"
+ " expected " SASL_VERSION_STRING ","
+ " got %s\n", version, 0, 0 );
+#endif
+ return -1;
+ }
+#endif
+
+ /* SASL 2 does its own memory management internally */
+#if SASL_VERSION_MAJOR < 2
sasl_set_alloc(
ber_memalloc,
ber_memcalloc,
ber_memrealloc,
ber_memfree );
+#endif
sasl_set_mutex(
ldap_pvt_sasl_mutex_new,
@@ -1102,6 +1133,8 @@ int slap_sasl_init( void )
ldap_pvt_sasl_mutex_dispose );
#if SASL_VERSION_MAJOR >= 2
+ generic_filter.f_desc = slap_schema.si_ad_objectClass;
+
sasl_auxprop_add_plugin( "slapd", slap_auxprop_init );
#endif
/* should provide callbacks for logging */
@@ -1115,6 +1148,10 @@ int slap_sasl_init( void )
Debug( LDAP_DEBUG_ANY, "sasl_server_init failed\n",
0, 0, 0 );
#endif
+#if SASL_VERSION_MAJOR < 2
+ /* A no-op used to make sure we linked with Cyrus 1.5 */
+ sasl_client_auth( NULL, NULL, NULL, 0, NULL, NULL );
+#endif
return -1;
}
@@ -1141,9 +1178,6 @@ int slap_sasl_destroy( void )
{
#ifdef HAVE_CYRUS_SASL
sasl_done();
-#endif
-#if SASL_VERSION_MAJOR >= 2
- filter_free( generic_filter );
#endif
free( global_host );
global_host = NULL;
@@ -1151,7 +1185,7 @@ int slap_sasl_destroy( void )
return 0;
}
-int slap_sasl_open( Connection *conn )
+int slap_sasl_open( Connection *conn, int reopen )
{
int cb, sc = LDAP_SUCCESS;
#if SASL_VERSION_MAJOR >= 2
@@ -1162,41 +1196,56 @@ int slap_sasl_open( Connection *conn )
sasl_conn_t *ctx = NULL;
sasl_callback_t *session_callbacks;
- assert( conn->c_sasl_context == NULL );
- assert( conn->c_sasl_extra == NULL );
+ assert( conn->c_sasl_authctx == NULL );
- conn->c_sasl_layers = 0;
+ if ( !reopen ) {
+ assert( conn->c_sasl_extra == NULL );
- session_callbacks =
+ session_callbacks =
#if SASL_VERSION_MAJOR >= 2
- ch_calloc( 5, sizeof(sasl_callback_t));
+ SLAP_CALLOC( 5, sizeof(sasl_callback_t));
#else
- ch_calloc( 3, sizeof(sasl_callback_t));
+ SLAP_CALLOC( 3, sizeof(sasl_callback_t));
#endif
- conn->c_sasl_extra = session_callbacks;
+ if( session_callbacks == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ERR,
+ "slap_sasl_open: SLAP_MALLOC failed", 0, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "slap_sasl_open: SLAP_MALLOC failed", 0, 0, 0 );
+#endif
+ return -1;
+ }
+ conn->c_sasl_extra = session_callbacks;
- session_callbacks[cb=0].id = SASL_CB_LOG;
- session_callbacks[cb].proc = &slap_sasl_log;
- session_callbacks[cb++].context = conn;
+ session_callbacks[cb=0].id = SASL_CB_LOG;
+ session_callbacks[cb].proc = &slap_sasl_log;
+ session_callbacks[cb++].context = conn;
- session_callbacks[cb].id = SASL_CB_PROXY_POLICY;
- session_callbacks[cb].proc = &slap_sasl_authorize;
- session_callbacks[cb++].context = conn;
+ session_callbacks[cb].id = SASL_CB_PROXY_POLICY;
+ session_callbacks[cb].proc = &slap_sasl_authorize;
+ session_callbacks[cb++].context = conn;
#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;
+ 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;
+ session_callbacks[cb].id = SASL_CB_LIST_END;
+ session_callbacks[cb].proc = NULL;
+ session_callbacks[cb++].context = NULL;
+ } else {
+ session_callbacks = conn->c_sasl_extra;
+ }
+
+ conn->c_sasl_layers = 0;
if( global_host == NULL ) {
global_host = ldap_pvt_get_fqdn( NULL );
@@ -1204,9 +1253,6 @@ int slap_sasl_open( Connection *conn )
/* 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;
@@ -1234,7 +1280,7 @@ int slap_sasl_open( Connection *conn )
}
}
sc = sasl_server_new( "ldap", global_host, global_realm,
- iplocalport, ipremoteport, session_callbacks, 0, &ctx );
+ iplocalport, ipremoteport, session_callbacks, SASL_SUCCESS_DATA, &ctx );
if ( iplocalport != NULL ) {
ch_free( iplocalport );
}
@@ -1258,7 +1304,7 @@ int slap_sasl_open( Connection *conn )
return -1;
}
- conn->c_sasl_context = ctx;
+ conn->c_sasl_authctx = ctx;
if( sc == SASL_OK ) {
sc = sasl_setprop( ctx,
@@ -1290,7 +1336,7 @@ int slap_sasl_external(
{
#if SASL_VERSION_MAJOR >= 2
int sc;
- sasl_conn_t *ctx = conn->c_sasl_context;
+ sasl_conn_t *ctx = conn->c_sasl_authctx;
if ( ctx == NULL ) {
return LDAP_UNAVAILABLE;
@@ -1310,7 +1356,7 @@ int slap_sasl_external(
#elif defined(HAVE_CYRUS_SASL)
int sc;
- sasl_conn_t *ctx = conn->c_sasl_context;
+ sasl_conn_t *ctx = conn->c_sasl_authctx;
sasl_external_properties_t extprops;
if ( ctx == NULL ) {
@@ -1334,13 +1380,6 @@ int slap_sasl_external(
int slap_sasl_reset( Connection *conn )
{
-#ifdef HAVE_CYRUS_SASL
- sasl_conn_t *ctx = conn->c_sasl_context;
-
- if( ctx != NULL ) {
- }
-#endif
- /* must return "anonymous" */
return LDAP_SUCCESS;
}
@@ -1349,7 +1388,9 @@ char ** slap_sasl_mechs( Connection *conn )
char **mechs = NULL;
#ifdef HAVE_CYRUS_SASL
- sasl_conn_t *ctx = conn->c_sasl_context;
+ sasl_conn_t *ctx = conn->c_sasl_authctx;
+
+ if( ctx == NULL ) ctx = conn->c_sasl_sockctx;
if( ctx != NULL ) {
int sc;
@@ -1371,7 +1412,7 @@ char ** slap_sasl_mechs( Connection *conn )
return NULL;
}
- mechs = str2charray( mechstr, "," );
+ mechs = ldap_str2charray( mechstr, "," );
#if SASL_VERSION_MAJOR < 2
ch_free( mechstr );
@@ -1385,13 +1426,19 @@ char ** slap_sasl_mechs( Connection *conn )
int slap_sasl_close( Connection *conn )
{
#ifdef HAVE_CYRUS_SASL
- sasl_conn_t *ctx = conn->c_sasl_context;
+ sasl_conn_t *ctx = conn->c_sasl_authctx;
if( ctx != NULL ) {
sasl_dispose( &ctx );
}
+ if ( conn->c_sasl_sockctx && conn->c_sasl_authctx != conn->c_sasl_sockctx ) {
+ ctx = conn->c_sasl_sockctx;
+ sasl_dispose( &ctx );
+ }
- conn->c_sasl_context = NULL;
+ conn->c_sasl_authctx = NULL;
+ conn->c_sasl_sockctx = NULL;
+ conn->c_sasl_done = 0;
free( conn->c_sasl_extra );
conn->c_sasl_extra = NULL;
@@ -1400,44 +1447,35 @@ int slap_sasl_close( Connection *conn )
return LDAP_SUCCESS;
}
-int slap_sasl_bind(
- Connection *conn,
- Operation *op,
- struct berval *dn,
- struct berval *ndn,
- struct berval *cred,
- struct berval *edn,
- slap_ssf_t *ssfp )
+int slap_sasl_bind( Operation *op, SlapReply *rs )
{
- int rc = 1;
-
#ifdef HAVE_CYRUS_SASL
- sasl_conn_t *ctx = conn->c_sasl_context;
+ sasl_conn_t *ctx = op->o_conn->c_sasl_authctx;
struct berval response;
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 ? "" :
- conn->c_sasl_bind_mech.bv_val,
- cred ? cred->bv_len : 0 );
+ op->o_req_dn.bv_len ? op->o_req_dn.bv_val : "",
+ op->o_conn->c_sasl_bind_in_progress ? "" :
+ op->o_conn->c_sasl_bind_mech.bv_val,
+ op->orb_cred.bv_len );
#else
Debug(LDAP_DEBUG_ARGS,
"==> sasl_bind: dn=\"%s\" mech=%s datalen=%ld\n",
- dn->bv_len ? dn->bv_val : "",
- conn->c_sasl_bind_in_progress ? "":conn->c_sasl_bind_mech.bv_val,
- cred ? cred->bv_len : 0 );
+ op->o_req_dn.bv_len ? op->o_req_dn.bv_val : "",
+ op->o_conn->c_sasl_bind_in_progress ? "" :
+ op->o_conn->c_sasl_bind_mech.bv_val,
+ op->orb_cred.bv_len );
#endif
if( ctx == NULL ) {
- send_ldap_result( conn, op, LDAP_UNAVAILABLE,
- NULL, "SASL unavailable on this session", NULL, NULL );
- return rc;
+ send_ldap_error( op, rs, LDAP_UNAVAILABLE,
+ "SASL unavailable on this session" );
+ return rs->sr_err;
}
#if SASL_VERSION_MAJOR >= 2
@@ -1452,17 +1490,40 @@ int slap_sasl_bind(
sasl_server_step( ctx, cred, clen, resp, rlen, err )
#endif
- if ( !conn->c_sasl_bind_in_progress ) {
+ if ( !op->o_conn->c_sasl_bind_in_progress ) {
+ /* If we already authenticated once, must use a new context */
+ if ( op->o_conn->c_sasl_done ) {
+ slap_ssf_t ssf = 0;
+ const char *authid = NULL;
+#if SASL_VERSION_MAJOR >= 2
+ sasl_getprop( ctx, SASL_SSF_EXTERNAL, (void *)&ssf );
+ sasl_getprop( ctx, SASL_AUTH_EXTERNAL, (void *)&authid );
+ if ( authid ) authid = ch_strdup( authid );
+#endif
+ if ( ctx != op->o_conn->c_sasl_sockctx ) {
+ sasl_dispose( &ctx );
+ }
+ op->o_conn->c_sasl_authctx = NULL;
+
+ slap_sasl_open( op->o_conn, 1 );
+ ctx = op->o_conn->c_sasl_authctx;
+#if SASL_VERSION_MAJOR >= 2
+ if ( authid ) {
+ sasl_setprop( ctx, SASL_SSF_EXTERNAL, &ssf );
+ sasl_setprop( ctx, SASL_AUTH_EXTERNAL, authid );
+ ch_free( (char *)authid );
+ }
+#endif
+ }
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 );
+ op->o_conn->c_sasl_bind_mech.bv_val,
+ op->orb_cred.bv_val, op->orb_cred.bv_len,
+ (SASL_CONST char **)&response.bv_val, &reslen, &rs->sr_text );
} else {
sc = STEP( ctx,
- cred->bv_val, cred->bv_len,
- (SASL_CONST char **)&response.bv_val, &reslen, &errstr );
+ op->orb_cred.bv_val, op->orb_cred.bv_len,
+ (SASL_CONST char **)&response.bv_val, &reslen, &rs->sr_text );
}
response.bv_len = reslen;
@@ -1470,35 +1531,61 @@ int slap_sasl_bind(
if ( sc == SASL_OK ) {
sasl_ssf_t *ssf = NULL;
- *edn = conn->c_sasl_dn;
- conn->c_sasl_dn.bv_val = NULL;
- conn->c_sasl_dn.bv_len = 0;
+ op->orb_edn = op->o_conn->c_sasl_dn;
+ op->o_conn->c_sasl_dn.bv_val = NULL;
+ op->o_conn->c_sasl_dn.bv_len = 0;
+ op->o_conn->c_sasl_done = 1;
- rc = LDAP_SUCCESS;
+ rs->sr_err = LDAP_SUCCESS;
(void) sasl_getprop( ctx, SASL_SSF, (void *)&ssf );
- *ssfp = ssf ? *ssf : 0;
-
- if( *ssfp ) {
- ldap_pvt_thread_mutex_lock( &conn->c_mutex );
- conn->c_sasl_layers++;
- ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
+ op->orb_ssf = ssf ? *ssf : 0;
+
+ ctx = NULL;
+ if( op->orb_ssf ) {
+ ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
+ op->o_conn->c_sasl_layers++;
+
+ /* If there's an old layer, set sockctx to NULL to
+ * tell connection_read() to wait for us to finish.
+ * Otherwise there is a race condition: we have to
+ * send the Bind response using the old security
+ * context and then remove it before reading any
+ * new messages.
+ */
+ if ( op->o_conn->c_sasl_sockctx ) {
+ ctx = op->o_conn->c_sasl_sockctx;
+ op->o_conn->c_sasl_sockctx = NULL;
+ } else {
+ op->o_conn->c_sasl_sockctx = op->o_conn->c_sasl_authctx;
+ }
+ ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
}
- send_ldap_sasl( conn, op, rc,
- NULL, NULL, NULL, NULL,
- response.bv_len ? &response : NULL );
-
+ /* Must send response using old security layer */
+ if (response.bv_len) rs->sr_sasldata = &response;
+ send_ldap_sasl( op, rs );
+
+ /* Now dispose of the old security layer.
+ */
+ if ( ctx ) {
+ ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
+ ldap_pvt_sasl_remove( op->o_conn->c_sb );
+ op->o_conn->c_sasl_sockctx = op->o_conn->c_sasl_authctx;
+ ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
+ sasl_dispose( &ctx );
+ }
} else if ( sc == SASL_CONTINUE ) {
- send_ldap_sasl( conn, op, rc = LDAP_SASL_BIND_IN_PROGRESS,
- NULL, NULL, NULL, NULL, &response );
+ rs->sr_err = LDAP_SASL_BIND_IN_PROGRESS,
+ rs->sr_sasldata = &response;
+ send_ldap_sasl( op, rs );
} else {
#if SASL_VERSION_MAJOR >= 2
- errstr = sasl_errdetail( ctx );
+ rs->sr_text = sasl_errdetail( ctx );
#endif
- send_ldap_result( conn, op, rc = slap_sasl_err2ldap( sc ),
- NULL, errstr, NULL, NULL );
+ rs->sr_err = slap_sasl_err2ldap( sc ),
+ send_ldap_result( op, rs );
}
#if SASL_VERSION_MAJOR < 2
@@ -1508,18 +1595,18 @@ int slap_sasl_bind(
#endif
#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, RESULTS, "slap_sasl_bind: rc=%d\n", rc, 0, 0 );
+ LDAP_LOG( TRANSPORT, RESULTS, "slap_sasl_bind: rc=%d\n", rs->sr_err, 0, 0 );
#else
- Debug(LDAP_DEBUG_TRACE, "<== slap_sasl_bind: rc=%d\n", rc, 0, 0);
+ Debug(LDAP_DEBUG_TRACE, "<== slap_sasl_bind: rc=%d\n", rs->sr_err, 0, 0);
#endif
#else
- send_ldap_result( conn, op, rc = LDAP_UNAVAILABLE,
- NULL, "SASL not supported", NULL, NULL );
+ send_ldap_error( op, rs, LDAP_UNAVAILABLE,
+ "SASL not supported" );
#endif
- return rc;
+ return rs->sr_err;
}
char* slap_sasl_secprops( const char *in )
@@ -1535,30 +1622,20 @@ char* slap_sasl_secprops( const char *in )
#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 )
+slap_sasl_setpass( Operation *op, SlapReply *rs )
{
- 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 );
+ assert( ber_bvcmp( &slap_EXOP_MODIFY_PASSWD, &op->ore_reqoid ) == 0 );
- rc = sasl_getprop( conn->c_sasl_context, SASL_USERNAME,
+ rs->sr_err = sasl_getprop( op->o_conn->c_sasl_authctx, SASL_USERNAME,
(SASL_CONST void **)&id.bv_val );
- if( rc != SASL_OK ) {
- *text = "unable to retrieve SASL username";
- rc = LDAP_OTHER;
+ if( rs->sr_err != SASL_OK ) {
+ rs->sr_text = "unable to retrieve SASL username";
+ rs->sr_err = LDAP_OTHER;
goto done;
}
@@ -1571,10 +1648,10 @@ slap_sasl_setpass(
id.bv_val ? id.bv_val : "", 0, 0 );
#endif
- rc = slap_passwd_parse( reqdata,
- NULL, &old, &new, text );
+ rs->sr_err = slap_passwd_parse( op->ore_reqdata,
+ NULL, &old, &new, &rs->sr_text );
- if( rc != LDAP_SUCCESS ) {
+ if( rs->sr_err != LDAP_SUCCESS ) {
goto done;
}
@@ -1582,27 +1659,27 @@ slap_sasl_setpass(
slap_passwd_generate(&new);
if( new.bv_len == 0 ) {
- *text = "password generation failed.";
- rc = LDAP_OTHER;
+ rs->sr_text = "password generation failed.";
+ rs->sr_err = LDAP_OTHER;
goto done;
}
- *rspdata = slap_passwd_return( &new );
+ rs->sr_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 );
+ rs->sr_err = sasl_setpass( op->o_conn->c_sasl_authctx,
+ id.bv_val, new.bv_val, new.bv_len, 0, &rs->sr_text );
#else
- rc = sasl_setpass( conn->c_sasl_context, id.bv_val,
+ rs->sr_err = sasl_setpass( op->o_conn->c_sasl_authctx, 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 );
+ if( rs->sr_err != SASL_OK ) {
+ rs->sr_text = sasl_errdetail( op->o_conn->c_sasl_authctx );
}
#endif
- switch(rc) {
+ switch(rs->sr_err) {
case SASL_OK:
- rc = LDAP_SUCCESS;
+ rs->sr_err = LDAP_SUCCESS;
break;
case SASL_NOCHANGE:
@@ -1612,10 +1689,196 @@ slap_sasl_setpass(
case SASL_FAIL:
case SASL_BADPARAM:
default:
- rc = LDAP_OTHER;
+ rs->sr_err = LDAP_OTHER;
}
done:
- return rc;
+ return rs->sr_err;
}
+#endif /* HAVE_CYRUS_SASL */
+
+/* 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_NONE 0
+#define SET_DN 1
+#define SET_U 2
+
+static struct berval ext_bv = BER_BVC( "EXTERNAL" );
+
+int slap_sasl_getdn( Connection *conn, Operation *op, char *id, int len,
+ char *user_realm, struct berval *dn, int flags )
+{
+ char *c1;
+ int rc, is_dn = SET_NONE, do_norm = 1;
+ struct berval dn2;
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_getdn: conn %d id=%s [len=%d]\n",
+ conn ? conn->c_connid : -1, id ? (*id ? id : "") : "NULL", len );
+#else
+ Debug( LDAP_DEBUG_ARGS, "slap_sasl_getdn: id=%s [len=%d]\n",
+ id ? ( *id ? id : "" ) : "NULL", len, 0 );
+#endif
+
+ if ( !op ) {
+ op = conn->c_sasl_bindop;
+ }
+
+ 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;
+ }
+
+ /* 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 & SLAP_GETDN_AUTHCID ) {
+ if( conn->c_sasl_bind_mech.bv_len == ext_bv.bv_len &&
+ strcasecmp( ext_bv.bv_val, conn->c_sasl_bind_mech.bv_val ) == 0 )
+ {
+ /* EXTERNAL DNs are already normalized */
+ do_norm = 0;
+ is_dn = SET_DN;
+ ber_str2bv_x( id, len, 1, dn, op->o_tmpmemctx );
+
+ } else {
+ /* convert to u: form */
+ is_dn = SET_U;
+ dn->bv_val = id;
+ dn->bv_len = len;
+ }
+ }
+ if( is_dn == SET_NONE ) {
+ 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 == SET_NONE ) {
+ 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 = sl_malloc( len+1, op->o_tmpmemctx );
+ if( dn->bv_val == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ERR,
+ "slap_sasl_getdn: SLAP_MALLOC failed", 0, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "slap_sasl_getdn: SLAP_MALLOC failed", 0, 0, 0 );
+#endif
+ return LDAP_OTHER;
+ }
+ 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
+ } else {
+
+ /* Dup the DN in any case, so we don't risk
+ * leaks or dangling pointers later,
+ * and the DN value is '\0' terminated */
+ ber_dupbv_x( &dn2, dn, op->o_tmpmemctx );
+ dn->bv_val = dn2.bv_val;
+ }
+
+ /* All strings are in DN form now. Normalize if needed. */
+ if ( do_norm ) {
+ rc = dnNormalize( 0, NULL, NULL, dn, &dn2, op->o_tmpmemctx );
+
+ /* User DNs were constructed above and must be freed now */
+ sl_free( dn->bv_val, op->o_tmpmemctx );
+
+ if ( rc != LDAP_SUCCESS ) {
+ dn->bv_val = NULL;
+ dn->bv_len = 0;
+ return rc;
+ }
+ *dn = dn2;
+ }
+
+ /* Run thru regexp */
+ slap_sasl2dn( op, dn, &dn2 );
+ if( dn2.bv_val ) {
+ sl_free( dn->bv_val, op->o_tmpmemctx );
+ *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 );
+}