/* $OpenLDAP$ */
/*
- * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include "slap.h"
-#ifdef HAVE_CYRUS_SASL
#include <limits.h>
-#ifdef HAVE_SASL_SASL_H
-#include <sasl/sasl.h>
+#ifdef HAVE_CYRUS_SASL
+# ifdef HAVE_SASL_SASL_H
+# include <sasl/sasl.h>
+# else
+# include <sasl.h>
+# endif
+
+# if SASL_VERSION_MAJOR >= 2
+# include <sasl/saslplug.h>
+# define SASL_CONST const
+# else
+# define SASL_CONST
+# endif
+
+static sasl_security_properties_t sasl_secprops;
+#endif /* HAVE_CYRUS_SASL */
+
+#include "ldap_pvt.h"
+#include "lber_pvt.h"
+#include <lutil.h>
+
+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
-#include <sasl.h>
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: missing policy in"
+ " \"sasl-authz-policy <policy>\" line\n",
+ fname, lineno, 0 );
#endif
-#if SASL_VERSION_MAJOR >= 2
-#include <lutil.h>
-#define SASL_CONST const
+ 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
-#define SASL_CONST
+ 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 );
+ }
-#include <ldap_pvt.h>
+ } 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
-#ifdef SLAPD_SPASSWD
-#include <lutil.h>
+ 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 <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
-/* Flags for telling slap_sasl_getdn() what type of identity is being passed */
-#define FLAG_GETDN_AUTHCID 2
-#define FLAG_GETDN_AUTHZID 4
+ return( 1 );
+ }
-static sasl_security_properties_t sasl_secprops;
+ 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
-static int
+ 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] );
+ }
+
+ /* 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;
+ }
+#endif /* HAVE_CYRUS_SASL */
+ }
+
+ return LDAP_SUCCESS;
+}
+
+#ifdef HAVE_CYRUS_SASL
+
+int
slap_sasl_log(
void *context,
int priority,
}
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "SASL [conn=%ld] %s: %s\n",
- conn ? conn->c_connid : -1,
- label, message ));
+ 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,
}
-/* 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
+#if SASL_VERSION_MAJOR >= 2
+static const char *slap_propnames[] = {
+ "*slapConn", "*authcDN", "*authzDN", NULL };
- 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.
-*/
+static Filter *generic_filter;
-#define SET_DN 1
-#define SET_U 2
+#define PROP_CONN 0
+#define PROP_AUTHC 1
+#define PROP_AUTHZ 2
-static struct berval ext_bv = { sizeof("EXTERNAL")-1, "EXTERNAL" };
+typedef struct lookup_info {
+ int last;
+ int flags;
+ const struct propval *list;
+ sasl_server_params_t *sparams;
+} lookup_info;
-int slap_sasl_getdn( Connection *conn, char *id, int len,
- char *user_realm, struct berval *dn, int flags )
+static int
+sasl_ap_lookup(
+ BackendDB *be,
+ Connection *conn,
+ Operation *op,
+ Entry *e,
+ AttributeName *an,
+ int attrsonly,
+ LDAPControl **ctrls )
{
- char *c1;
- int rc, is_dn = 0, do_norm = 1;
- sasl_conn_t *ctx;
- struct berval dn2;
-
+ 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(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sasl_getdn: conn %d id=%s\n",
- conn ? conn->c_connid : -1,
- id ? (*id ? id : "<empty>") : "NULL" ));
+ LDAP_LOG( TRANSPORT, DETAIL1,
+ "slap_auxprop: str2ad(%s): %s\n", name, text, 0 );
#else
- Debug( LDAP_DEBUG_ARGS, "slap_sasl_getdn: id=%s\n",
- id?(*id?id:"<empty>"):"NULL",0,0 );
+ Debug( LDAP_DEBUG_TRACE,
+ "slap_auxprop: str2ad(%s): %s\n", name, text, 0 );
#endif
-
- dn->bv_val = NULL;
- dn->bv_len = 0;
-
- /* Blatantly anonymous ID */
- if( id &&
- ( id[sizeof( "anonymous" )-1] == '\0'
- || id[sizeof( "anonymous" )-1] == '@' ) &&
- !strncasecmp( id, "anonymous", sizeof( "anonymous" )-1) ) {
- return( LDAP_SUCCESS );
- }
- ctx = conn->c_sasl_context;
- if ( len == 0 ) len = strlen( id );
-
- /* An authcID needs to be converted to authzID form */
- if( flags & FLAG_GETDN_AUTHCID ) {
- 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;
-
- } else {
- /* convert to u:<username> form */
- is_dn = SET_U;
+ continue;
}
- ber_str2bv( id, len, 1, dn );
- }
- if( !is_dn ) {
- if( !strncasecmp( id, "u:", sizeof("u:")-1 )) {
- is_dn = SET_U;
- ber_str2bv( id+2, len-2, 1, dn );
- } else if ( !strncasecmp( id, "dn:", sizeof("dn:")-1) ) {
- is_dn = SET_DN;
- ber_str2bv( id+3, len-3, 1, dn );
+ 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;
+}
- /* An authzID must be properly prefixed */
- if( (flags & FLAG_GETDN_AUTHZID) && !is_dn ) {
- free( dn->bv_val );
- dn->bv_val = NULL;
- dn->bv_len = 0;
- return( LDAP_INAPPROPRIATE_AUTH );
+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;
+ }
+ }
+ }
}
- /* Username strings */
- if( is_dn == SET_U ) {
- char *p;
- len = dn->bv_len + sizeof("uid=")-1 + sizeof(",cn=auth")-1;
+ /* Now see what else needs to be fetched */
+ for( i = 0; i < sl.last; i++ ) {
+ const char *name = sl.list[i].name;
- if( user_realm && *user_realm ) {
- len += strlen( user_realm ) + sizeof(",cn=")-1;
- }
+ if ( name[0] == '*' ) {
+ if ( flags & SASL_AUXPROP_AUTHZID ) continue;
+ name++;
+ } else if ( !(flags & SASL_AUXPROP_AUTHZID ) )
+ continue;
- if( conn->c_sasl_bind_mech.bv_len ) {
- len += conn->c_sasl_bind_mech.bv_len + sizeof(",cn=")-1;
+ if ( sl.list[i].values ) {
+ if ( !(flags & SASL_AUXPROP_OVERRIDE) ) continue;
}
+ doit = 1;
+ }
- /* Build the new dn */
- c1 = dn->bv_val;
- dn->bv_val = ch_malloc( len+1 );
- p = slap_strcopy( dn->bv_val, "uid=" );
- p = slap_strcopy( p, c1 );
- ch_free( c1 );
-
- if( user_realm && *user_realm ) {
- p = slap_strcopy( p, ",cn=" );
- p = slap_strcopy( p, user_realm );
- }
- if( conn->c_sasl_bind_mech.bv_len ) {
- p = slap_strcopy( p, ",cn=" );
- p = slap_strcopy( p, conn->c_sasl_bind_mech.bv_val );
- }
- p = slap_strcopy( p, ",cn=auth" );
- dn->bv_len = p - dn->bv_val;
- is_dn = SET_DN;
+ if (doit) {
+ Backend *be;
+ Operation op = {0};
+ slap_callback cb = { slap_cb_null_response,
+ slap_cb_null_sresult, sasl_ap_lookup, slap_cb_null_sreference, NULL };
-#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sasl_getdn: u:id converted to %s.\n", dn->bv_val ));
-#else
- Debug( LDAP_DEBUG_TRACE, "getdn: u:id converted to %s\n", dn->bv_val,0,0 );
-#endif
- }
+ cb.sc_private = &sl;
- /* DN strings that are a cn=auth identity to run through regexp */
- if( is_dn == SET_DN )
- {
- slap_sasl2dn( dn, &dn2 );
- if( dn2.bv_val ) {
- ch_free( dn->bv_val );
- *dn = dn2;
- do_norm = 0; /* slap_sasl2dn normalizes */
-#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sasl_getdn: dn:id converted to %s.\n", dn->bv_val ));
-#else
- Debug( LDAP_DEBUG_TRACE, "getdn: dn:id converted to %s\n",
- dn->bv_val, 0, 0 );
-#endif
+ 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 );
}
}
+}
- if ( do_norm ) {
- rc = dnNormalize2( NULL, dn, &dn2 );
- free(dn->bv_val);
- if ( rc != LDAP_SUCCESS ) {
- *dn = slap_empty_bv;
- return rc;
+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;
}
- *dn = dn2;
}
-
- return( LDAP_SUCCESS );
+ return 0;
}
-#if SASL_VERSION_MAJOR >= 2
static int
slap_sasl_checkpass(
sasl_conn_t *sconn,
struct propctx *propctx)
{
Connection *conn = (Connection *)context;
- struct berval dn, cred;
+ struct berval dn;
int rc;
- BerVarray vals, bv;
+ Backend *be;
+ checkpass_info ci;
- cred.bv_val = (char *)pass;
- cred.bv_len = passlen;
+ 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 );
+ SLAP_GETDN_AUTHCID );
if ( rc != LDAP_SUCCESS ) {
sasl_seterror( sconn, 0, ldap_err2string( rc ) );
return SASL_NOUSER;
return SASL_NOUSER;
}
- rc = backend_attribute( NULL, NULL, NULL, NULL, &dn,
- slap_schema.si_ad_userPassword, &vals);
- if ( rc != LDAP_SUCCESS ) {
- ch_free( dn.bv_val );
- sasl_seterror( sconn, 0, ldap_err2string( rc ) );
- return SASL_NOVERIFY;
- }
-
- rc = SASL_NOVERIFY;
-
- if ( vals != NULL ) {
- for ( bv = vals; bv->bv_val != NULL; bv++ ) {
- if ( !lutil_passwd( bv, &cred, NULL ) ) {
- rc = SASL_OK;
- break;
- }
- }
- ber_bvarray_free( vals );
+ 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, slap_cb_null_sreference, 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 ( rc != SASL_OK ) {
+ if ( ci.rc != SASL_OK ) {
sasl_seterror( sconn, 0,
ldap_err2string( LDAP_INVALID_CREDENTIALS ) );
}
ch_free( dn.bv_val );
- return rc;
+ return ci.rc;
}
-#if 0 /* CANON isn't for what you think it does. */
+/* 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,
unsigned *out_len)
{
Connection *conn = (Connection *)context;
+ struct propctx *props = sasl_auxprop_getctx( sconn );
+ struct propval auxvals[3];
struct berval dn;
- int rc;
+ int rc, which;
+ const char *names[2];
*out_len = 0;
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
+ 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>" ));
+ 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>" );
+ 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;
+
+ /* 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.
+ */
+ 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 );
+ (flags & SASL_CU_AUTHID) ? SLAP_GETDN_AUTHCID : SLAP_GETDN_AUTHZID );
if ( rc != LDAP_SUCCESS ) {
sasl_seterror( sconn, 0, ldap_err2string( rc ) );
return SASL_NOAUTHZ;
}
- if ( out_max < dn.bv_len ) {
- return SASL_BUFOVER;
- }
-
- AC_MEMCPY( out, dn.bv_val, dn.bv_len );
- out[dn.bv_len] = '\0';
-
- *out_len = dn.bv_len;
-
- ch_free( dn.bv_val );
+ names[0] = slap_propnames[which];
+ names[1] = NULL;
+ prop_set( props, names[0], (char *)&dn, sizeof( dn ) );
+
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
+ LDAP_LOG( TRANSPORT, ENTRY,
"slap_sasl_canonicalize: conn %d %s=\"%s\"\n",
- conn ? conn->c_connid : -1,
- (flags == SASL_CU_AUTHID) ? "authcDN" : "authzDN",
- out ));
+ conn ? conn->c_connid : -1, names[0]+1,
+ dn.bv_val ? dn.bv_val : "<EMPTY>" );
#else
- Debug( LDAP_DEBUG_ARGS, "SASL Canonicalize [conn=%ld]: "
- "%s=\"%s\"\n",
- conn ? conn->c_connid : -1,
- (flags == SASL_CU_AUTHID) ? "authcDN" : "authzDN",
- out );
+ 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 : "<EMPTY>" );
#endif
+done:
+ AC_MEMCPY( out, in, inlen );
+ out[inlen] = '\0';
+
+ *out_len = inlen;
+
return SASL_OK;
}
-#endif
-
-#define CANON_BUF_SIZE 256 /* from saslint.h */
static int
slap_sasl_authorize(
unsigned alen,
const char *def_realm,
unsigned urlen,
- struct propctx *propctx)
+ struct propctx *props)
{
Connection *conn = (Connection *)context;
+ struct propval auxvals[3];
struct berval authcDN, authzDN;
- char *realm;
- int rc, equal = 1, ext = 0;
+ int rc;
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
+ LDAP_LOG( TRANSPORT, ENTRY,
"slap_sasl_authorize: conn %d authcid=\"%s\" authzid=\"%s\"\n",
- conn ? conn->c_connid : -1, auth_identity, requested_user));
+ 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 ( requested_user )
- equal = !strcmp( auth_identity, requested_user );
-
- /* If using SASL-EXTERNAL, don't modify the ID in any way */
- 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 ) ) {
- ext = 1;
- realm = NULL;
- } else {
- /* Else look for an embedded realm in the name */
- realm = strchr( auth_identity, '@' );
- if ( realm ) *realm++ = '\0';
- }
-
- rc = slap_sasl_getdn( conn, auth_identity, alen, realm ? realm : (char *)def_realm,
- &authcDN, FLAG_GETDN_AUTHCID );
- if ( realm )
- realm[-1] = '@';
-
- if ( rc != LDAP_SUCCESS ) {
- sasl_seterror( sconn, 0, ldap_err2string( rc ) );
- return SASL_NOAUTHZ;
- }
-
- if ( equal ) {
- if ( authcDN.bv_len > CANON_BUF_SIZE ) {
- free( authcDN.bv_val );
- return SASL_BUFOVER;
- }
- AC_MEMCPY( requested_user, authcDN.bv_val, authcDN.bv_len );
-
- return SASL_OK;
+ 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;
}
- if ( ext ) {
- realm = NULL;
- } else {
- realm = strchr( requested_user, '@' );
- if ( realm ) *realm++ = '\0';
- }
+ /* Skip PROP_CONN */
+ prop_getnames( props, slap_propnames+1, auxvals );
+
+ AC_MEMCPY( &authcDN, auxvals[0].values[0], sizeof(authcDN) );
- rc = slap_sasl_getdn( conn, requested_user, rlen, realm ? realm : (char *)def_realm,
- &authzDN, FLAG_GETDN_AUTHZID );
- if ( realm )
- realm[-1] = '@';
-
- if ( rc != LDAP_SUCCESS ) {
- free( authcDN.bv_val );
- sasl_seterror( sconn, 0, ldap_err2string( rc ) );
- return SASL_NOAUTHZ;
- }
-
- if (authzDN.bv_len > CANON_BUF_SIZE) {
- free( authcDN.bv_val );
- free( authzDN.bv_val );
- return SASL_BUFOVER;
+ /* Nothing to do if no authzID was given */
+ if ( !auxvals[1].name || !auxvals[1].values ) {
+ conn->c_sasl_dn = authcDN;
+ goto ok;
}
+
+ AC_MEMCPY( &authzDN, auxvals[1].values[0], sizeof(authzDN) );
- rc = slap_sasl_authorized( &authcDN, &authzDN );
- free( authcDN.bv_val );
+ rc = slap_sasl_authorized( conn, &authcDN, &authzDN );
+ ch_free( authcDN.bv_val );
if ( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_INFO,
- "slap_sasl_authorize: conn %ld authorization disallowed (%d)\n",
- (long)(conn ? conn->c_connid : -1), rc ));
+ 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",
#endif
sasl_seterror( sconn, 0, "not authorized" );
- free( authzDN.bv_val );
+ ch_free( authzDN.bv_val );
return SASL_NOAUTHZ;
}
- AC_MEMCPY( requested_user, authzDN.bv_val, authzDN.bv_len );
- free( authzDN.bv_val );
+
+ 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(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sasl_authorize: conn %d authorization allowed\n",
- (long)(conn ? conn->c_connid : -1 ) ));
+ 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
const char **errstr)
{
struct berval authcDN, authzDN;
- int rc, ext = 0;
+ int rc;
Connection *conn = context;
- char *realm, *xrealm;
+ char *realm;
*user = NULL;
+ 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(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sasl_authorize: conn %d authcid=\"%s\" authzid=\"%s\"\n",
- conn ? conn->c_connid : -1,
- authcid ? authcid : "<empty>",
- authzid ? authzid : "<empty>" ));
+ 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",
rc = sasl_getprop( conn->c_sasl_context, SASL_REALM, (void **)&realm );
if( rc != SASL_OK && rc != SASL_NOTDONE ) {
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ERR,
- "slap_sasl_authorize: getprop(REALM) failed.\n" ));
+ 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);
/* Convert the identities to DN's. If no authzid was given, client will
be bound as the DN matching their username */
- 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 ) ) {
- ext = 1;
- xrealm = NULL;
- } else {
- xrealm = strchr( authcid, '@' );
- if ( xrealm ) *xrealm++ = '\0';
- }
- rc = slap_sasl_getdn( conn, (char *)authcid, 0, xrealm ? xrealm : realm, &authcDN, FLAG_GETDN_AUTHCID );
- if ( xrealm ) xrealm[-1] = '@';
+ rc = slap_sasl_getdn( conn, (char *)authcid, 0, realm,
+ &authcDN, SLAP_GETDN_AUTHCID );
if( rc != LDAP_SUCCESS ) {
*errstr = ldap_err2string( rc );
return SASL_NOAUTHZ;
}
if( ( authzid == NULL ) || !strcmp( authcid,authzid ) ) {
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sasl_authorize: conn %d Using authcDN=%s\n",
- conn ? conn->c_connid : -1, authcDN.bv_val ));
+ 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]: "
"Using authcDN=%s\n", (long) (conn ? conn->c_connid : -1), authcDN.bv_val,0 );
#endif
- *user = authcDN.bv_val;
- *errstr = NULL;
- return SASL_OK;
- }
- if ( ext ) {
- xrealm = NULL;
- } else {
- xrealm = strchr( authzid, '@' );
- if ( xrealm ) *xrealm++ = '\0';
+ conn->c_sasl_dn = authcDN;
+ goto ok;
}
- rc = slap_sasl_getdn( conn, (char *)authzid, 0, xrealm ? xrealm : realm, &authzDN, FLAG_GETDN_AUTHZID );
- if ( xrealm ) xrealm[-1] = '@';
+ rc = slap_sasl_getdn( conn, (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( &authcDN, &authzDN );
+ rc = slap_sasl_authorized(conn, &authcDN, &authzDN );
+ ch_free( authcDN.bv_val );
if( rc ) {
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_INFO,
- "slap_sasl_authorize: conn %ld authorization disallowed (%d)\n",
- (long)(conn ? conn->c_connid : -1), rc ));
+ 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",
#endif
*errstr = "not authorized";
- ch_free( authcDN.bv_val );
ch_free( authzDN.bv_val );
return SASL_NOAUTHZ;
}
+ conn->c_sasl_dn = authzDN;
+ok:
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sasl_authorize: conn %d authorization allowed\n",
- (long)(conn ? conn->c_connid : -1 ) ));
+ 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
+ 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);
+ }
- ch_free( authcDN.bv_val );
- *user = authzDN.bv_val;
*errstr = NULL;
return SASL_OK;
}
}
#endif
-
int slap_sasl_init( void )
{
#ifdef HAVE_CYRUS_SASL
{ 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 2 does its own memory management internally */
+#if SASL_VERSION_MAJOR < 2
sasl_set_alloc(
- ch_malloc,
- ch_calloc,
- ch_realloc,
- ch_free );
+ ber_memalloc,
+ ber_memcalloc,
+ ber_memrealloc,
+ ber_memfree );
+#endif
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(( "sasl", LDAP_LEVEL_INFO,
- "slap_sasl_init: init failed.\n" ));
+ 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
+#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;
}
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_INFO,
- "slap_sasl_init: initialized!\n"));
+ 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 );
{
#ifdef HAVE_CYRUS_SASL
sasl_done();
+#endif
+#if SASL_VERSION_MAJOR >= 2
+ filter_free( generic_filter );
#endif
free( global_host );
global_host = NULL;
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
+ 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++].context = conn;
#if SASL_VERSION_MAJOR >= 2
-#if 0 /* CANON isn't for what you think it does. */
session_callbacks[cb].id = SASL_CB_CANON_USER;
session_callbacks[cb].proc = &slap_sasl_canonicalize;
session_callbacks[cb++].context = conn;
-#endif
/* XXXX: this should be conditional */
session_callbacks[cb].id = SASL_CB_SERVER_USERDB_CHECKPASS;
/* 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;
}
}
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 );
}
if( sc != SASL_OK ) {
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ERR,
- "slap_sasl_open: sasl_server_new failed: %d\n", sc ));
+ 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 );
if( sc != SASL_OK ) {
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ERR,
- "slap_sasl_open: sasl_setprop failed: %d \n", sc ));
+ 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 );
if( sc != SASL_OK ) {
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ERR,
- "slap_sasl_mechs: sasl_listmech failed: %d\n", sc ));
+ 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 );
return NULL;
}
- mechs = str2charray( mechstr, "," );
+ mechs = ldap_str2charray( mechstr, "," );
#if SASL_VERSION_MAJOR < 2
ch_free( mechstr );
int sc;
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "sasl_bind: conn %ld dn=\"%s\" mech=%s datalen=%ld\n",
- conn->c_connid,
+ 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 ));
+ 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=%ld\n",
if ( !conn->c_sasl_bind_in_progress ) {
sc = START( ctx,
conn->c_sasl_bind_mech.bv_val,
- cred->bv_len ? cred->bv_val : "",
- cred->bv_len,
+ cred->bv_val, cred->bv_len,
(SASL_CONST char **)&response.bv_val, &reslen, &errstr );
} else {
response.bv_len = reslen;
if ( sc == SASL_OK ) {
- char *username = NULL;
-
- sc = sasl_getprop( ctx,
- SASL_USERNAME, (SASL_CONST void **)&username );
-
- if ( sc != SASL_OK ) {
-#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ERR,
- "slap_sasl_bind: getprop(USERNAME) failed: %d\n", sc ));
-#else
- Debug(LDAP_DEBUG_TRACE,
- "slap_sasl_bind: getprop(USERNAME) failed!\n",
- 0, 0, 0);
-#endif
+ sasl_ssf_t *ssf = NULL;
+ *edn = conn->c_sasl_dn;
+ conn->c_sasl_dn.bv_val = NULL;
+ conn->c_sasl_dn.bv_len = 0;
- send_ldap_result( conn, op, rc = slap_sasl_err2ldap( sc ),
- NULL, "no SASL username", NULL, NULL );
+ rc = LDAP_SUCCESS;
- } else {
- sasl_ssf_t *ssf = NULL;
-
- rc = LDAP_SUCCESS;
- ber_str2bv( username, 0, 1, edn );
-
- (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 );
- }
+ (void) sasl_getprop( ctx, SASL_SSF, (void *)&ssf );
+ *ssfp = ssf ? *ssf : 0;
- send_ldap_sasl( conn, op, rc,
- NULL, NULL, NULL, NULL,
- response.bv_len ? &response : 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 );
#endif
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sasl_bind: rc=%d\n", rc ));
+ 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
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 /* 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, 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 : "<empty>") : "NULL", len );
+#else
+ Debug( LDAP_DEBUG_ARGS, "slap_sasl_getdn: id=%s [len=%d]\n",
+ id ? ( *id ? id : "<empty>" ) : "NULL", len, 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;
+ }
+
+ /* 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( id, len, 1, dn );
+
+ } else {
+ /* convert to u:<username> 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 = SLAP_MALLOC( len+1 );
+ 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( &dn2, dn );
+ dn->bv_val = dn2.bv_val;
+ }
+
+ /* 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 */
+ 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 );
+}
projects / openldap / blobdiff