+captive-sandbox-server for isolated filesystem sendbox server
authorshort <>
Sat, 7 Jun 2003 07:19:33 +0000 (07:19 +0000)
committershort <>
Sat, 7 Jun 2003 07:19:33 +0000 (07:19 +0000)
captive_options module-loading generalized to be CORBA transportable
Renamed "GlibLogFunc" to "GLogFunc"

src/libcaptive/sandbox/split.c
src/libcaptive/sandbox/split.h

index 29186fe..ef1afd0 100644 (file)
@@ -21,7 +21,7 @@
 
 #include "split.h"     /* self */
 #include "sandbox.h"
-#include "server-GlibLogFunc.h"
+#include "server-GLogFunc.h"
 #include "captive/macros.h"
 #include <glib/gmacros.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <fcntl.h>
 #include <linc/linc.h> /* for linc_main_get_loop() */
-#include "server-GlibLogFunc.h"
 #include "server-Directory.h"
 #include "server-Vfs.h"
 #include "../client/vfs.h"
+#include "captive/parent-Vfs.h"
+#include <dirent.h>
+#include "server-CaptiveIOChannel.h"
+#include <errno.h>
 
 
 /* CONFIG: */
 #define HEARTBEAT_SOURCE_CHECK_REVENTS (HEARTBEAT_SOURCE_CHECK_EVENTS|G_IO_ERR|G_IO_HUP|G_IO_NVAL)
 
 
-gboolean validate_CORBA_Environment(const CORBA_Environment *evp)
+gboolean validate_CORBA_Environment(CORBA_Environment *evp)
 {
-       g_return_val_if_fail(evp->_major==CORBA_NO_EXCEPTION,FALSE);
+       if (evp->_major==CORBA_NO_EXCEPTION)
+               return TRUE;
 
-       return TRUE;
+       g_message(_("CORBA Exception occured: id=\"%s\", value=%p"),
+                       CORBA_exception_id(evp),CORBA_exception_value(evp));
+       return FALSE;
 }
 
 CORBA_Environment captive_corba_ev;
@@ -136,10 +142,23 @@ gboolean errbool;
 }
 
 
+static GSource *captive_corba_sandbox_child_heartbeat_gsource;
+
+void sandbox_child_prepare_shutdown(void)
+{
+       /* Prevent during shutdown: Captive-WARNING **: CORBA Exception occured: id="IDL:omg.org/CORBA/COMM_FAILURE:1.0" */
+       if (captive_corba_sandbox_child_heartbeat_gsource) {
+               g_source_destroy(captive_corba_sandbox_child_heartbeat_gsource);
+               g_source_unref(captive_corba_sandbox_child_heartbeat_gsource);
+               captive_corba_sandbox_child_heartbeat_gsource=NULL;
+               }
+}
+
+
 void sandbox_child_shutdown(void)
 {
        /* Do not fail by passing logging messages to the master. */
-       impl_Captive_Vfs_registerGlibLogFunc_disable();
+       impl_Captive_Vfs_init_g_log_func_disable();
 
        g_main_loop_quit(linc_main_get_loop());
 }
@@ -155,23 +174,59 @@ static gboolean heartbeat_source_callback(gpointer data /* unused */)
 }
 
 
-static void sandbox_child(int Vfs_IOR_fd_write,GSource *gsource,CaptiveVfsObject *child_captive_vfs_object) G_GNUC_NORETURN;
-static void sandbox_child(int Vfs_IOR_fd_write,GSource *gsource,CaptiveVfsObject *child_captive_vfs_object)
+static gboolean heartbeat_source_prepare(GSource *source,gint *timeout)
+{
+       *timeout=-1;
+
+       return FALSE;
+}
+
+static GPollFD heartbeat_source_check_gpollfd;
+
+static gboolean heartbeat_source_check(GSource *source)
+{
+       return !!(heartbeat_source_check_gpollfd.revents & HEARTBEAT_SOURCE_CHECK_REVENTS);
+}
+
+static gboolean heartbeat_source_dispatch(GSource *source,GSourceFunc callback,gpointer user_data)
+{
+       g_assert(callback!=NULL);
+       return (*callback)(user_data);
+}
+
+static GSourceFuncs heartbeat_source_watch_funcs={
+               heartbeat_source_prepare,
+               heartbeat_source_check,
+               heartbeat_source_dispatch,
+               NULL,   /* finalize */
+               };
+
+void captive_corba_sandbox_child(void)
 {
 Captive_Vfs Vfs_object;
+impl_POA_Captive_Vfs *Vfs_servant;
 gboolean errbool;
 int errint;
 guint errguint;
+GSource *gsource;
 
-       errint=close(0);        /* STDIN */
-       g_assert(errint==0);
-       errint=close(1);        /* STDOUT */
-       g_assert(errint==0);
-       errint=close(2);        /* STDERR */
-       g_assert(errint==0);
+       /* attach heartbeat_source_callback() to watch for any abnormalities
+        * on our open pipe 'parentheart_fds' and terminate the child if parent dies.
+        */
+       gsource=g_source_new(&heartbeat_source_watch_funcs,sizeof(GSource));
+       g_return_if_fail(gsource!=NULL);
+       g_source_set_callback(
+                       gsource,        /* source */
+                       heartbeat_source_callback,      /* func */
+                       NULL,   /* data */
+                       NULL);  /* notify */
+       heartbeat_source_check_gpollfd.fd=0 /* STDIN */;        /* parentheart_fd_read */
+       heartbeat_source_check_gpollfd.events=HEARTBEAT_SOURCE_CHECK_EVENTS;
+       heartbeat_source_check_gpollfd.revents=0;
+       g_source_add_poll(gsource,&heartbeat_source_check_gpollfd);
 
-       g_assert(captive_corba_child_options==NULL);
-       captive_corba_child_options=&child_captive_vfs_object->options;
+       errbool=corba_init("captive-sandbox-child",&captive_corba_ev,&captive_corba_orb,&captive_corba_poa);
+       g_return_if_fail(errbool==TRUE);
 
        heartbeat_source_callback_orb=captive_corba_orb;
 
@@ -191,9 +246,9 @@ char *Vfs_IOR;
                Vfs_IOR=CORBA_ORB_object_to_string(captive_corba_orb,Vfs_object,&captive_corba_ev);
                g_assert(validate_CORBA_Environment(&captive_corba_ev));
                g_assert(Vfs_IOR!=NULL);
-               errint=write(Vfs_IOR_fd_write,Vfs_IOR,strlen(Vfs_IOR)+1);
+               errint=write(1 /* STDOUT */,Vfs_IOR,strlen(Vfs_IOR)+1);
                g_assert((unsigned)errint==strlen(Vfs_IOR)+1);
-               errint=close(Vfs_IOR_fd_write);
+               errint=close(1 /* STDOUT */);
                g_assert(errint==0);
                CORBA_free(Vfs_IOR);
                }
@@ -205,8 +260,12 @@ char *Vfs_IOR;
        g_assert(validate_CORBA_Environment(&captive_corba_ev));
 
        /* Shutdown 'Vfs' servant */
+       Vfs_servant=PortableServer_POA_reference_to_servant(captive_corba_poa,Vfs_object,&captive_corba_ev);
+       g_assert(validate_CORBA_Environment(&captive_corba_ev));
        CORBA_Object_release(Vfs_object,&captive_corba_ev);
        g_assert(validate_CORBA_Environment(&captive_corba_ev));
+       impl_Captive_Vfs__destroy(Vfs_servant,&captive_corba_ev);
+       g_assert(validate_CORBA_Environment(&captive_corba_ev));
 
        errbool=corba_shutdown(&captive_corba_ev,&captive_corba_orb,&captive_corba_poa);
        g_assert(errbool==TRUE);
@@ -214,81 +273,146 @@ char *Vfs_IOR;
        _exit(EXIT_SUCCESS);
 }
 
-static void sandbox_parent
-               (int Vfs_IOR_fd_read,Captive_Vfs *corba_Vfs_object_return,Captive_GlibLogFunc *corba_GlibLogFunc_object_return)
+
+static void options_module_captive_to_options_module_corba
+               (Captive_CaptiveOptionsModule *dest_options_module_corba,const struct captive_options_module *src_options_module_captive)
+{
+       g_return_if_fail(dest_options_module_corba!=NULL);
+       g_return_if_fail(src_options_module_captive!=NULL);
+
+       g_return_if_fail(src_options_module_captive->type==CAPTIVE_OPTIONS_MODULE_TYPE_PE32);
+
+       dest_options_module_corba->pathname_utf8=g_strdup(src_options_module_captive->pathname_utf8);
+       dest_options_module_corba->data._buffer=g_memdup(src_options_module_captive->u.pe32.base,
+                       src_options_module_captive->u.pe32.length);
+       dest_options_module_corba->data._maximum=src_options_module_captive->u.pe32.length;
+       dest_options_module_corba->data._length =src_options_module_captive->u.pe32.length;
+       dest_options_module_corba->data._release=TRUE;
+}
+
+
+static void sandbox_parent(const char *Vfs_IOR,struct captive_options *options_captive,Captive_Vfs *corba_Vfs_object_return,
+               Captive_GLogFunc *corba_GLogFunc_object_return,Captive_CaptiveIOChannel *corba_CaptiveIOChannel_object_return)
 {
-char *Vfs_IOR;
-gsize Vfs_IOR_size;
 Captive_Vfs Vfs_object;
-Captive_GlibLogFunc GlibLogFunc_object;
-int errint;
+Captive_GLogFunc GLogFunc_object;
+Captive_CaptiveIOChannel CaptiveIOChannel_object;
+Captive_CaptiveOptions options_corba;
+guint load_module_length,load_moduleui;
+struct captive_options_module *options_module;
+gboolean errbool;
+GList *load_module_node;
 
-       g_return_if_fail(Vfs_IOR_fd_read!=-1);
+       g_return_if_fail(Vfs_IOR!=NULL);
        g_return_if_fail(corba_Vfs_object_return!=NULL);
-       g_return_if_fail(corba_GlibLogFunc_object_return!=NULL);
+       g_return_if_fail(corba_GLogFunc_object_return!=NULL);
 
-       Vfs_IOR=captive_rtl_file_read(Vfs_IOR_fd_read,&Vfs_IOR_size);
-       g_assert(Vfs_IOR!=NULL);
-       g_assert(Vfs_IOR_size>=1);
-       g_assert(memchr(Vfs_IOR,0,Vfs_IOR_size)==Vfs_IOR+(Vfs_IOR_size-1));     /* check exactly for 0-terminated string */
-       errint=close(Vfs_IOR_fd_read);
-       g_assert(errint==0);
+       errbool=corba_init("captive-sandbox-parent",&captive_corba_ev,&captive_corba_orb,&captive_corba_poa);
+       g_assert(errbool==TRUE);
 
        Vfs_object=CORBA_ORB_string_to_object(captive_corba_orb,Vfs_IOR,&captive_corba_ev);
        g_assert(validate_CORBA_Environment(&captive_corba_ev));
-       g_free(Vfs_IOR);
 
-       /* Init 'GlibLogFunc_object' */
-       GlibLogFunc_object=impl_Captive_GlibLogFunc__create(captive_corba_poa,&captive_corba_ev);
+       /* Init 'GLogFunc_object' */
+       GLogFunc_object=impl_Captive_GLogFunc__create(captive_corba_poa,&captive_corba_ev);
+       g_assert(validate_CORBA_Environment(&captive_corba_ev));
+
+       /* Init 'CaptiveIOChannel_object' */
+       CaptiveIOChannel_object=impl_Captive_CaptiveIOChannel__create(captive_corba_poa,
+                       options_captive->image_iochannel,&captive_corba_ev);
        g_assert(validate_CORBA_Environment(&captive_corba_ev));
-       Captive_Vfs_registerGlibLogFunc(Vfs_object,GlibLogFunc_object,&captive_corba_ev);
+
+       options_corba.g_log_func=GLogFunc_object;
+       options_module_captive_to_options_module_corba(&options_corba.filesystem,&options_captive->filesystem);
+       options_corba.rwmode        =options_captive->rwmode;
+       options_corba.media         =options_captive->media;
+       options_corba.debug_messages=options_captive->debug_messages;
+       options_corba.image_iochannel=CaptiveIOChannel_object;
+
+       load_module_length=g_list_length(options_captive->load_module);
+       captive_newn(options_corba.load_module._buffer,load_module_length);
+       options_corba.load_module._maximum=load_module_length;
+       options_corba.load_module._length=load_module_length;
+       options_corba.load_module._release=TRUE;
+       for (load_moduleui=0,load_module_node=options_captive->load_module;
+                       load_module_node;
+                       load_moduleui++,load_module_node=load_module_node->next) {
+               options_module=load_module_node->data;
+               options_module_captive_to_options_module_corba(options_corba.load_module._buffer+load_moduleui,options_module);
+               }
+
+       Captive_Vfs_init(Vfs_object,&options_corba,&captive_corba_ev);
        g_assert(validate_CORBA_Environment(&captive_corba_ev));
 
+       /* FIXME: Free 'options_corba' - LEAK */
+
        *corba_Vfs_object_return=Vfs_object;
-       *corba_GlibLogFunc_object_return=GlibLogFunc_object;
+       *corba_GLogFunc_object_return=GLogFunc_object;
+       *corba_CaptiveIOChannel_object_return=CaptiveIOChannel_object;
 }
 
-static gboolean heartbeat_source_prepare(GSource *source,gint *timeout)
+static void fd_shiftup(int *fdp)
 {
-       *timeout=-1;
+       g_return_if_fail(fdp!=NULL);
 
-       return FALSE;
+       while (*fdp<=2 /* STDERR */) {
+               *fdp=dup(*fdp);
+               g_assert(*fdp!=-1);
+               }
 }
 
-static GPollFD heartbeat_source_check_gpollfd;
-
-static gboolean heartbeat_source_check(GSource *source)
+void captive_sandbox_fd_closeup(int fd_first_to_delete)
 {
-       return !!(heartbeat_source_check_gpollfd.revents & HEARTBEAT_SOURCE_CHECK_REVENTS);
-}
+DIR *dir;
+int errint;
+int dir_fd;
+struct dirent *dirent;
+
+       dir=opendir("/proc/self/fd/");
+       g_return_if_fail(dir!=NULL);
+       dir_fd=dirfd(dir);
+       g_return_if_fail(dir_fd!=-1);
+
+       while (errno=0,(dirent=readdir(dir))) {
+long dirent_fd;
+char *endptr;
+
+               if (0
+                               || !strcmp(dirent->d_name,".")
+                               || !strcmp(dirent->d_name,".."))
+                       continue;
+               dirent_fd=strtol(dirent->d_name,&endptr,10 /* base */);
+               g_assert(dirent_fd>=0 && (!endptr || !*endptr));
+               if (dirent_fd<fd_first_to_delete || dirent_fd==dir_fd)
+                       continue;
+
+               errint=close(dirent_fd);
+               g_assert(errint==0);
+               errno=0;
+               errint=close(dirent_fd);
+               g_assert(errint==-1); g_assert(errno==EBADF);
+               }
+       g_return_if_fail(errno==0);     /* check for EOF */
 
-static gboolean heartbeat_source_dispatch(GSource *source,GSourceFunc callback,gpointer user_data)
-{
-       g_assert(callback!=NULL);
-       return (*callback)(user_data);
+       errint=closedir(dir);
+       g_return_if_fail(errint==0);
+       errno=0;
+       close(dir_fd); g_assert(errno==EBADF);  /* just a bit of paranoia; it should be already closed by closedir() */
 }
 
-static GSourceFuncs heartbeat_source_watch_funcs={
-               heartbeat_source_prepare,
-               heartbeat_source_check,
-               heartbeat_source_dispatch,
-               NULL,   /* finalize */
-               };
-
-
 gboolean captive_sandbox_spawn(CaptiveVfsObject *child_captive_vfs_object,
-               Captive_Vfs *corba_Vfs_object_return,Captive_GlibLogFunc *corba_GlibLogFunc_object_return,int *parentheart_fds_1_return)
+               Captive_Vfs *corba_Vfs_object_return,Captive_GLogFunc *corba_GLogFunc_object_return,
+               Captive_CaptiveIOChannel *corba_CaptiveIOChannel_object_return,int *parentheart_fds_1_return)
 {
 /* Vfs_IOR_fds[0] for reading by sandbox_parent() - client,
  * Vfs_IOR_fds[1] for writing by sandbox_child()  - server
  */
 int Vfs_IOR_fds[2],parentheart_fds[2];
 int errint;
-gboolean errbool;
 
        g_return_val_if_fail(child_captive_vfs_object!=NULL,FALSE);
        g_return_val_if_fail(corba_Vfs_object_return!=NULL,FALSE);
-       g_return_val_if_fail(corba_GlibLogFunc_object_return!=NULL,FALSE);
+       g_return_val_if_fail(corba_GLogFunc_object_return!=NULL,FALSE);
        g_return_val_if_fail(parentheart_fds_1_return!=NULL,FALSE);
 
        errint=pipe(Vfs_IOR_fds);
@@ -296,49 +420,51 @@ gboolean errbool;
        errint=pipe(parentheart_fds);
        g_return_val_if_fail(errint==0,FALSE);
 
-       /* We cannot initialize 'parent' and 'child' name specifically as
-        * we need to have persistence master and its children will be already
-        * CORBA-initialized during their spawn.
-        */
-       errbool=corba_init("captive-sandbox",&captive_corba_ev,&captive_corba_orb,&captive_corba_poa);
-       g_return_val_if_fail(errbool==TRUE,FALSE);
-
        /* Currently never called anywhere:
         *     errbool=corba_shutdown(&captive_corba_ev,&captive_corba_orb,&captive_corba_poa);
         *     g_assert(errbool==TRUE);
         */
 
+       if (captive_sandbox_server_ior) {
+               *parentheart_fds_1_return=-1;
+               sandbox_parent(
+                               captive_sandbox_server_ior,     /* Vfs_IOR */
+                               &child_captive_vfs_object->options,     /* options_captive */
+                               corba_Vfs_object_return,        /* corba_Vfs_object_return */
+                               corba_GLogFunc_object_return,   /* corba_GLogFunc_object_return */
+                               corba_CaptiveIOChannel_object_return);  /* corba_CaptiveIOChannel_object_return */
+               return TRUE;
+               }
+
+       g_assert(captive_sandbox_server_argv!=NULL);
        switch (fork()) {
                case -1:        /* error */
                        g_return_val_if_reached(FALSE);
 
                case 0: { /* child */
-GSource *gsource;
 
                        errint=close(Vfs_IOR_fds[0]);   /* close Vfs_IOR_fd_read */
                        g_return_val_if_fail(errint==0,FALSE);
                        errint=close(parentheart_fds[1]);       /* close parentheart_fd_write */
                        g_return_val_if_fail(errint==0,FALSE);
 
-                       /* attach heartbeat_source_callback() to watch for any abnormalities
-                        * on our open pipe 'parentheart_fds' and terminate the child if parent dies.
-                        */
-                       gsource=g_source_new(&heartbeat_source_watch_funcs,sizeof(GSource));
-                       g_return_val_if_fail(gsource!=NULL,FALSE);
-                       g_source_set_callback(
-                                       gsource,        /* source */
-                                       heartbeat_source_callback,      /* func */
-                                       NULL,   /* data */
-                                       NULL);  /* notify */
-                       heartbeat_source_check_gpollfd.fd=parentheart_fds[0];   /* parentheart_fd_read */
-                       heartbeat_source_check_gpollfd.events=HEARTBEAT_SOURCE_CHECK_EVENTS;
-                       heartbeat_source_check_gpollfd.revents=0;
-                       g_source_add_poll(gsource,&heartbeat_source_check_gpollfd);
-                       sandbox_child(Vfs_IOR_fds[1],gsource,child_captive_vfs_object); /* pass Vfs_IOR_fd_write */
+                       fd_shiftup(Vfs_IOR_fds+1);      /* Vfs_IOR_fd_write */
+                       fd_shiftup(parentheart_fds+0);  /* parentheart_fd_read */
+                       errint=dup2(Vfs_IOR_fds[1],1 /* STDOUT */);     /* Vfs_IOR_fd_write */
+                       g_return_val_if_fail(errint==1 /* STDOUT */,FALSE);
+                       errint=dup2(parentheart_fds[0],0 /* STDIN */);  /* parentheart_fd_read */
+                       g_return_val_if_fail(errint==0 /* STDIN */,FALSE);
+
+                       captive_sandbox_fd_closeup(2 /* STDERR */ +1);
+
+                       execv(captive_sandbox_server_argv[0],/* re-const */ (char * const *)captive_sandbox_server_argv);
                        g_return_val_if_reached(FALSE);
                        } /* NOTREACHED */
 
-               default:        /* parent */
+               default: {      /* parent */
+char *Vfs_IOR;
+gsize Vfs_IOR_size;
+
                        errint=close(Vfs_IOR_fds[1]);   /* close Vfs_IOR_fd_write */
                        g_return_val_if_fail(errint==0,FALSE);
                        errint=close(parentheart_fds[0]);       /* close parentheart_fd_read */
@@ -351,12 +477,26 @@ GSource *gsource;
                         */
                        g_return_val_if_fail(errint==0,FALSE);
                        *parentheart_fds_1_return=parentheart_fds[1];
+
+                       Vfs_IOR=captive_rtl_file_read(Vfs_IOR_fds[0],&Vfs_IOR_size);    /* Vfs_IOR_fd_read */
+                       g_assert(Vfs_IOR!=NULL);
+                       g_assert(Vfs_IOR_size>=1);
+                       g_assert(memchr(Vfs_IOR,0,Vfs_IOR_size)==Vfs_IOR+(Vfs_IOR_size-1));     /* check exactly for 0-terminated string */
+                       errint=close(Vfs_IOR_fds[0]);   /* Vfs_IOR_fd_read */
+                       g_assert(errint==0);
+
                        sandbox_parent(
-                                       Vfs_IOR_fds[0], /* Vfs_IOR_fd_read */
+                                       Vfs_IOR,        /* Vfs_IOR */
+                                       &child_captive_vfs_object->options,     /* options_captive */
                                        corba_Vfs_object_return,        /* corba_Vfs_object_return */
-                                       corba_GlibLogFunc_object_return);       /* corba_GlibLogFunc_object_return */
+                                       corba_GLogFunc_object_return,   /* corba_GLogFunc_object_return */
+                                       corba_CaptiveIOChannel_object_return);  /* corba_CaptiveIOChannel_object_return */
+
+                       g_free(Vfs_IOR);
+
                        /* 'parentheart_fds[1]' - parentheart_fd_write - is left open here */
                        return TRUE;
+                       }
                }
        /* NOTREACHED */
        g_return_val_if_reached(FALSE);
@@ -370,7 +510,7 @@ GnomeVFSResult r;
        if (evp->_major==CORBA_NO_EXCEPTION)
                return GNOME_VFS_OK;
 
-       if (!strcmp(ex_Captive_GnomeVFSResultException,CORBA_exception_id(evp)))
+       if (evp->_major==CORBA_USER_EXCEPTION && !strcmp(ex_Captive_GnomeVFSResultException,CORBA_exception_id(evp)))
                r=((Captive_GnomeVFSResultException *)CORBA_exception_value(evp))->gnome_vfs_result;
        else {
                r=GNOME_VFS_ERROR_GENERIC;
@@ -383,6 +523,28 @@ GnomeVFSResult r;
 }
 
 
+gboolean captive_sandbox_parent_query_vfs_retry(CORBA_Environment *evp,CaptiveVfsObject *captive_vfs_object)
+{
+GnomeVFSResult errvfsresult;
+
+       g_return_val_if_fail(evp!=NULL,FALSE);
+       g_return_val_if_fail(captive_vfs_object!=NULL,FALSE);
+
+       /* If !captive_sandbox_server_argv it is captive_sandbox_server_ior
+        * where we cannot do any restart anyway.
+        */
+       if (!captive_sandbox_server_argv
+                       || !(evp->_major==CORBA_SYSTEM_EXCEPTION && !strcmp(ex_CORBA_COMM_FAILURE,CORBA_exception_id(evp))))
+               return FALSE;   /* no retry */
+       CORBA_exception_free(evp);
+
+       captive_sandbox_parent_vfs_close(captive_vfs_object);   /* errors ignored */
+       errvfsresult=captive_sandbox_parent_vfs_new(captive_vfs_object);
+
+       return errvfsresult==GNOME_VFS_OK;      /* retry if restart succeeded */
+}
+
+
 void captive_sandbox_child_GnomeVFSResultException_throw(CORBA_Environment *evp,GnomeVFSResult errvfsresult)
 {
 Captive_GnomeVFSResultException *gnome_vfs_result_exception;
index 33fd4bc..764272f 100644 (file)
@@ -32,12 +32,17 @@ extern CORBA_Environment captive_corba_ev;
 extern CORBA_ORB captive_corba_orb;
 extern PortableServer_POA captive_corba_poa;
 
+void captive_corba_sandbox_child(void);
+void sandbox_child_prepare_shutdown(void);
+void captive_sandbox_fd_closeup(int fd_first_to_delete);
 gboolean captive_sandbox_spawn(CaptiveVfsObject *child_captive_vfs_object,
-               Captive_Vfs *corba_Vfs_object_return,Captive_GlibLogFunc *corba_GlibLogFunc_object_return,int *parentheart_fds_1_return);
-gboolean validate_CORBA_Environment(const CORBA_Environment *evp);
+               Captive_Vfs *corba_Vfs_object_return,Captive_GLogFunc *corba_GLogFunc_object_return,
+               Captive_CaptiveIOChannel *corba_CaptiveIOChannel_object_return,int *parentheart_fds_1_return);
+gboolean validate_CORBA_Environment(CORBA_Environment *evp);
 GnomeVFSResult captive_sandbox_parent_return_from_CORBA_Environment(CORBA_Environment *evp);
 void captive_sandbox_child_GnomeVFSResultException_throw(CORBA_Environment *evp,GnomeVFSResult errvfsresult);
 void sandbox_child_shutdown(void);
+gboolean captive_sandbox_parent_query_vfs_retry(CORBA_Environment *evp,CaptiveVfsObject *captive_vfs_object);
 
 G_END_DECLS