ctx = conn->c_sasl_context;
- /* An authcID needs to be converted to authzID form */
+ /* 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 {
+ } else
+#endif
+ {
/* convert to u:<username> form */
is_dn = SET_U;
+ dn->bv_val = id;
+ dn->bv_len = len;
}
- 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 );
+ dn->bv_val = id+2;
+ dn->bv_len = len-2;
} else if ( !strncasecmp( id, "dn:", sizeof("dn:")-1) ) {
is_dn = SET_DN;
- ber_str2bv( id+3, len-3, 1, dn );
+ dn->bv_val = id+3;
+ dn->bv_len = len-3;
}
}
- /* An authzID must be properly prefixed */
- if( (flags & FLAG_GETDN_AUTHZID) && !is_dn ) {
- free( dn->bv_val );
+ /* 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;
+ char *p, *realm;
len = dn->bv_len + sizeof("uid=")-1 + sizeof(",cn=auth")-1;
- if( user_realm && *user_realm ) {
+ /* 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;
}
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 );
+ p = slap_strncopy( p, c1, dn->bv_len );
- if( user_realm && *user_realm ) {
+ if( realm ) {
+ int rlen = dn->bv_len - ( realm - c1 );
+ p = slap_strcopy( p, ",cn=" );
+ p = slap_strncopy( p, realm, rlen );
+ realm[-1] = '@';
+ } else 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;
#ifdef NEW_LOGGING
LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
#endif
}
- /* DN strings that are a cn=auth identity to run through regexp */
- if( is_dn == SET_DN )
- {
- slap_sasl2dn( conn, 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
- }
- }
-
+ /* All strings are in DN form now. Normalize if needed. */
if ( do_norm ) {
rc = dnNormalize2( NULL, dn, &dn2 );
- free(dn->bv_val);
+
+ /* 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;
*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(( "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
+ }
+
return( LDAP_SUCCESS );
}
const char *user,
unsigned ulen)
{
- int rc;
+ int rc, i, last;
struct berval dn;
- const struct propval *list, *cur;
+ const struct propval *list;
BerVarray vals, bv;
AttributeDescription *ad;
const char *text;
list = sparams->utils->prop_get( sparams->propctx );
/* Find our DN first */
- for( cur = list; cur->name; cur++ ) {
- if ( cur->name[0] == '*' ) {
+ for( i = 0, last = 0; list[i].name; i++ ) {
+ if ( list[i].name[0] == '*' ) {
if ( (flags & SASL_AUXPROP_AUTHZID) &&
- !strcmp( cur->name, slap_propnames[1] ) ) {
- if ( cur->values && cur->values[0] )
- AC_MEMCPY( &dn, cur->values[0], sizeof( dn ) );
+ !strcmp( list[i].name, slap_propnames[1] ) ) {
+ if ( list[i].values && list[i].values[0] )
+ AC_MEMCPY( &dn, list[i].values[0], sizeof( dn ) );
+ if ( !last ) last = i;
break;
}
- if ( !strcmp( cur->name, slap_propnames[0] ) ) {
- AC_MEMCPY( &dn, cur->values[0], sizeof( dn ) );
- if ( !(flags & SASL_AUXPROP_AUTHZID) )
- break;
+ if ( !strcmp( list[i].name, slap_propnames[0] ) ) {
+ if ( !last ) last = i;
+ if ( list[i].values && list[i].values[0] ) {
+ AC_MEMCPY( &dn, list[i].values[0], sizeof( dn ) );
+ if ( !(flags & SASL_AUXPROP_AUTHZID) )
+ break;
+ }
}
}
}
/* Now fetch the rest */
- for( cur = list; cur->name; cur++ ) {
- const char *name = cur->name;
+ for( i = 0; i < last; i++ ) {
+ const char *name = list[i].name;
if ( name[0] == '*' ) {
if ( flags & SASL_AUXPROP_AUTHZID ) continue;
} else if ( !(flags & SASL_AUXPROP_AUTHZID ) )
continue;
- if ( cur->values ) {
+ if ( list[i].values ) {
if ( !(flags & SASL_AUXPROP_OVERRIDE) ) continue;
- sparams->utils->prop_erase( sparams->propctx, cur->name );
+ sparams->utils->prop_erase( sparams->propctx, list[i].name );
}
ad = NULL;
rc = slap_str2ad( name, &ad, &text );
rc = backend_attribute( NULL,NULL,NULL,NULL, &dn, ad, &vals );
if ( rc != LDAP_SUCCESS ) continue;
for ( bv = vals; bv->bv_val; bv++ ) {
- sparams->utils->prop_set( sparams->propctx, cur->name,
+ sparams->utils->prop_set( sparams->propctx, list[i].name,
bv->bv_val, bv->bv_len );
}
ber_bvarray_free( vals );
{
Connection *conn = (Connection *)context;
struct propctx *props = sasl_auxprop_getctx( sconn );
+ struct propval auxvals[3];
struct berval dn;
- int rc, ext = 0;
- char *realm;
+ int rc, which;
const char *names[2];
*out_len = 0;
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 )
- return SASL_BUFOVER;
+ 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 = 0;
+ else
+ which = 1;
+
+ /* Already been here? */
+ if ( auxvals[which].values )
+ goto done;
if ( flags == SASL_CU_AUTHZID ) {
/* If we got unqualified authzid's, they probably came from SASL
- * itself just passing the authcid to us. Ignore it.
+ * 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...)
*/
- if (strncasecmp(in, "u:", 2) && strncasecmp(in, "dn:", 3)) {
- AC_MEMCPY( out, in, inlen );
- out[inlen] = '\0';
- *out_len = inlen;
-
- return SASL_OK;
- }
+ 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 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( in, '@' );
- if ( realm ) *realm++ = '\0';
- }
- rc = slap_sasl_getdn( conn, (char *)in, inlen, realm ? realm : (char *)user_realm, &dn,
+ rc = slap_sasl_getdn( conn, (char *)in, inlen, (char *)user_realm, &dn,
(flags & SASL_CU_AUTHID) ? FLAG_GETDN_AUTHCID : FLAG_GETDN_AUTHZID );
- if ( realm )
- realm[-1] = '@';
if ( rc != LDAP_SUCCESS ) {
sasl_seterror( sconn, 0, ldap_err2string( rc ) );
return SASL_NOAUTHZ;
}
- AC_MEMCPY( out, in, inlen );
- out[inlen] = '\0';
-
- *out_len = inlen;
-
- if ( flags & SASL_CU_AUTHID )
- names[0] = slap_propnames[0];
- else
- names[0] = slap_propnames[1];
+ names[0] = slap_propnames[which];
names[1] = NULL;
- sasl_auxprop_request( sconn, names );
prop_set( props, names[0], (char *)&dn, sizeof( dn ) );
#ifdef NEW_LOGGING
LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
"slap_sasl_canonicalize: conn %d %s=\"%s\"\n",
conn ? conn->c_connid : -1,
- (flags & SASL_CU_AUTHID) ? "authcDN" : "authzDN",
- dn.bv_val ));
+ names[0]+1, dn.bv_val ));
#else
Debug( LDAP_DEBUG_ARGS, "SASL Canonicalize [conn=%ld]: "
"%s=\"%s\"\n",
conn ? conn->c_connid : -1,
- (flags & SASL_CU_AUTHID) ? "authcDN" : "authzDN",
- dn.bv_val );
+ names[0]+1, dn.bv_val );
#endif
+done: AC_MEMCPY( out, in, inlen );
+ out[inlen] = '\0';
+
+ *out_len = inlen;
return SASL_OK;
}
prop_getnames( props, slap_propnames, auxvals );
/* Nothing to do if no authzID was given */
- if ( !auxvals[1].name )
+ if ( !auxvals[1].name || !auxvals[1].values )
return SASL_OK;
AC_MEMCPY( &authcDN, auxvals[0].values[0], sizeof(authcDN) );
const char **errstr)
{
struct berval authcDN, authzDN;
- int rc, ext = 0;
+ int rc;
Connection *conn = context;
- char *realm, *xrealm;
+ char *realm;
*user = NULL;
/* 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, FLAG_GETDN_AUTHCID );
if( rc != LDAP_SUCCESS ) {
*errstr = ldap_err2string( rc );
return SASL_NOAUTHZ;
*errstr = NULL;
return SASL_OK;
}
- if ( ext ) {
- xrealm = NULL;
- } else {
- xrealm = strchr( authzid, '@' );
- if ( xrealm ) *xrealm++ = '\0';
- }
- 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, FLAG_GETDN_AUTHZID );
if( rc != LDAP_SUCCESS ) {
ch_free( authcDN.bv_val );
*errstr = ldap_err2string( rc );
prop_getnames( props, slap_propnames, vals );
AC_MEMCPY( edn, vals[0].values[0], sizeof(*edn) );
- if ( vals[1].name ) {
+ if ( vals[1].name && vals[1].values ) {
ch_free( edn->bv_val );
AC_MEMCPY( edn, vals[1].values[0], sizeof(*edn) );
}