#include "server-Directory.h"
#include "server-Vfs.h"
#include "../client/vfs.h"
-#include "captive/parent-Vfs.h"
+#include "parent-Vfs.h"
#include <dirent.h>
#include "server-CaptiveIOChannel.h"
#include <errno.h>
+#include "../client/giochannel-blind.h" /* for captive_giochannel_blind_new() */
+#include <signal.h>
/* CONFIG: */
if (evp->_major==CORBA_NO_EXCEPTION)
return TRUE;
- g_message(_("CORBA Exception occured: id=\"%s\", value=%p"),
+ g_error(_("CORBA Exception occured: id=\"%s\", value=%p"),
CORBA_exception_id(evp),CORBA_exception_value(evp));
+ CORBA_exception_free(evp);
return FALSE;
}
g_return_val_if_fail(poap!=NULL,FALSE);
if (done)
- return TRUE;
+ return TRUE; /* FIXME: '*poap' is left invalid! */
/* Init 'ev' */
CORBA_exception_init(evp);
*orbp=CORBA_OBJECT_NIL;
heartbeat_source_callback_orb=CORBA_OBJECT_NIL;
CORBA_ORB_destroy(orb,evp);
- g_return_val_if_fail(validate_CORBA_Environment(evp),FALSE);
+ /* Do not: g_return_val_if_fail(validate_CORBA_Environment(evp),FALSE);
+ * here as CORBA_ORB_destroy() sometimes reports:
+ * WARNING **: ORB: a total of X refs to X ORB objects were leaked
+ */
+ CORBA_exception_free(evp);
/* Shutdown 'ev' */
CORBA_exception_free(evp);
return TRUE;
}
+static void sandbox_parent_own_orbit_dir_cleanup_atexit(void);
+
static void corba_shutdown_atexit(void)
{
gboolean errbool;
errbool=corba_shutdown(&captive_corba_ev,&captive_corba_orb,&captive_corba_poa);
g_assert(errbool==TRUE);
+
+ /* Delete the CORBA ORB socket directory only after full CORBA ORB shutdown. */
+ sandbox_parent_own_orbit_dir_cleanup_atexit();
}
static GSource *captive_corba_sandbox_child_heartbeat_gsource;
+#if 0 /* Currently unused - see server-Vfs.c:impl_Captive_Vfs_shutdown() */
void sandbox_child_prepare_shutdown(void)
{
/* Prevent during shutdown: Captive-WARNING **: CORBA Exception occured: id="IDL:omg.org/CORBA/COMM_FAILURE:1.0" */
captive_corba_sandbox_child_heartbeat_gsource=NULL;
}
}
+#endif
void sandbox_child_shutdown(void)
NULL, /* finalize */
};
-void captive_corba_sandbox_child(void)
+void captive_corba_sandbox_child(const gchar *chrooted_orbit_dir)
{
Captive_Vfs Vfs_object;
impl_POA_Captive_Vfs *Vfs_servant;
gboolean errbool;
-int errint;
guint errguint;
-GSource *gsource;
+int errint;
/* 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);
+ captive_corba_sandbox_child_heartbeat_gsource=g_source_new(&heartbeat_source_watch_funcs,sizeof(GSource));
+ g_return_if_fail(captive_corba_sandbox_child_heartbeat_gsource!=NULL);
g_source_set_callback(
- gsource, /* source */
+ captive_corba_sandbox_child_heartbeat_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_source_add_poll(captive_corba_sandbox_child_heartbeat_gsource,&heartbeat_source_check_gpollfd);
errbool=corba_init("captive-sandbox-child",&captive_corba_ev,&captive_corba_orb,&captive_corba_poa);
g_return_if_fail(errbool==TRUE);
/* linc_main_get_loop() makes sense only after corba_init() -> CORBA_ORB_init() */
errguint=g_source_attach(
- gsource, /* source */
+ captive_corba_sandbox_child_heartbeat_gsource, /* source */
g_main_loop_get_context(linc_main_get_loop())); /* context; NULL means 'default context' */
g_assert(errguint!=0);
Vfs_object=impl_Captive_Vfs__create(captive_corba_poa,&captive_corba_ev);
g_assert(validate_CORBA_Environment(&captive_corba_ev));
- /* pass IOR to our parent */
+ /* Pass IOR to our parent.
+ * It will also create the socket needed for 'chrooted_orbit_dir' below
+ * by CORBA_ORB_object_to_string()->ORBit_marshal_object()->IOP_generate_profiles()->ORBit_ORB_start_servers...
+ */
{
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(1 /* STDOUT */,Vfs_IOR,strlen(Vfs_IOR)+1);
- g_assert((unsigned)errint==strlen(Vfs_IOR)+1);
- errint=close(1 /* STDOUT */);
- g_assert(errint==0);
+ errint=printf("ior=%s\n",Vfs_IOR);
+ g_assert(errint>=0);
CORBA_free(Vfs_IOR);
}
+ /* Default mode is 0700, permit parent non-"captive" users to access our IOR socket. */
+ if (chrooted_orbit_dir) {
+DIR *dir;
+struct dirent *dirent;
+const gchar *socketname=NULL,*socketpathname;
+
+ errint=chmod(chrooted_orbit_dir,0755);
+ g_assert(errint==0);
+
+ dir=opendir(chrooted_orbit_dir);
+ g_assert(dir!=NULL);
+ while (errno=0,(dirent=readdir(dir))) {
+ if (!strcmp(dirent->d_name,".") || !strcmp(dirent->d_name,".."))
+ continue;
+ g_assert(socketname==NULL);
+ socketname=captive_strdup_alloca(dirent->d_name);
+ }
+ g_assert(errno==0);
+ errint=closedir(dir);
+ g_assert(errint==0);
+ g_assert(socketname!=NULL);
+
+ socketpathname=captive_printf_alloca("%s/%s",chrooted_orbit_dir,socketname);
+ errint=chmod(socketpathname,0666);
+ g_assert(errint==0);
+
+ printf("socketname=%s\n",socketname);
+ }
+
+ /* Close the output to flush it to our spawning parent. */
+ errint=fflush(stdout);
+ g_assert(errint==0);
+ errint=fclose(stdout);
+ g_assert(errint==0);
+
/* CORBA_ORB_run() -> linc_main_loop_run() -> g_main_loop_run()
* and therefore we should be safe with glib events handling.
*/
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->pathname_utf8=CORBA_string_dup(src_options_module_captive->pathname_utf8);
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._buffer=Captive_Bytes_allocbuf(dest_options_module_corba->data._maximum);
+ memcpy(dest_options_module_corba->data._buffer,src_options_module_captive->u.pe32.base,
+ src_options_module_captive->u.pe32.length);
dest_options_module_corba->data._release=TRUE;
}
+static void unlink_nonrecursive(const gchar *dirname)
+{
+DIR *dir;
+struct dirent *dirent;
+int errint;
+
+ dir=opendir(dirname);
+ g_assert(dir!=NULL);
+
+ while (errno=0,(dirent=readdir(dir))) {
+gchar *pathname;
+
+ if (!strcmp(dirent->d_name,".") || !strcmp(dirent->d_name,".."))
+ continue;
+ pathname=g_strdup_printf("%s/%s",dirname,dirent->d_name);
+ errint=unlink(pathname);
+ g_assert(errint==0);
+ g_free(pathname);
+ }
+ g_assert(errno==0);
+ errint=closedir(dir);
+ g_assert(errint==0);
+ errint=rmdir(dirname);
+ g_assert(errint==0);
+}
+
+static const gchar *sandbox_parent_own_orbit_dir;
+static const gchar *sandbox_parent_own_orbit_socket;
+
+static void sandbox_parent_own_orbit_dir_cleanup_atexit(void)
+{
+static gboolean done=FALSE;
+
+ g_log(G_LOG_DOMAIN,G_LOG_LEVEL_DEBUG,"%s; done=%d",G_STRLOC,(int)done);
+
+ if (done)
+ return;
+ done=TRUE;
+
+ if (sandbox_parent_own_orbit_dir)
+ unlink_nonrecursive(sandbox_parent_own_orbit_dir);
+}
+
+static struct sandbox_parent_own_orbit_dir_cleanup_signal {
+ int signum;
+ /* FIXME: Why we cannot use 'sighandler_t'? */ void (*sighandler_orig)(int signum);
+ } sandbox_parent_own_orbit_dir_cleanup_signals[]={
+ { SIGINT },
+ { SIGQUIT },
+ { SIGTERM },
+ { SIGHUP },
+ { SIGABRT },
+ { SIGFPE },
+ };
+
+static void sandbox_parent_own_orbit_dir_cleanup_sighandler(int signum)
+{
+struct sandbox_parent_own_orbit_dir_cleanup_signal *sigstructp;
+
+ for (
+ sigstructp=sandbox_parent_own_orbit_dir_cleanup_signals;
+ sigstructp<sandbox_parent_own_orbit_dir_cleanup_signals+G_N_ELEMENTS(sandbox_parent_own_orbit_dir_cleanup_signals);
+ sigstructp++) {
+ if (sigstructp->signum==signum)
+ break;
+ }
+ g_assert(sigstructp<sandbox_parent_own_orbit_dir_cleanup_signals+G_N_ELEMENTS(sandbox_parent_own_orbit_dir_cleanup_signals));
+ signal(signum,sigstructp->sighandler_orig);
+
+ /* Prevent recursive fatal logging before signal restore: */
+ /* Do not: g_log(G_LOG_DOMAIN,G_LOG_LEVEL_DEBUG,"%s: signum=%d,sighandler_orig=%p",G_STRLOC,signum,sigstructp->sighandler_orig);
+ * as it is dangerous to g_log() from sighandler.
+ */
+
+ sandbox_parent_own_orbit_dir_cleanup_atexit();
+
+ /* Do not: g_log(G_LOG_DOMAIN,G_LOG_LEVEL_DEBUG,"%s: re-raising...",G_STRLOC);
+ * as it is dangerous to g_log() from sighandler.
+ */
+ raise(signum);
+}
+
+static void sandbox_parent_own_orbit_dir_cleanup_init(void)
+{
+struct sandbox_parent_own_orbit_dir_cleanup_signal *sigstructp;
+
+ for (
+ sigstructp=sandbox_parent_own_orbit_dir_cleanup_signals;
+ sigstructp<sandbox_parent_own_orbit_dir_cleanup_signals+G_N_ELEMENTS(sandbox_parent_own_orbit_dir_cleanup_signals);
+ sigstructp++) {
+ sigstructp->sighandler_orig=signal(sigstructp->signum,sandbox_parent_own_orbit_dir_cleanup_sighandler);
+ if (sigstructp->sighandler_orig==SIG_IGN)
+ sigstructp->sighandler_orig=SIG_DFL;
+ }
+}
+
+static gchar *sandbox_parent_read_ior
+ (int Vfs_IOR_fd_read,gchar **child_chroot_pid_hashkey_dirp,CaptiveVfsParentObject *captive_vfs_parent_object)
+{
+gchar *data;
+gsize data_size;
+GHashTable *hash;
+gchar *ior,*child_chroot_pid_hashkey_dir;
+int errint;
+gchar *s,*sd,*se;
+gboolean errbool;
+
+ /* Initialize /tmp/orbit-$username directory for linking IOR socket. */
+ errbool=corba_init("captive-sandbox-parent",&captive_corba_ev,&captive_corba_orb,&captive_corba_poa);
+ g_assert(errbool==TRUE);
+
+ /* FIXME: Security: Duplicate giop_tmpdir_init() here. */
+ if (!sandbox_parent_own_orbit_dir) {
+ /* FIXME: Make 'CAPTIVE_SANDBOX_CHROOT' configurable. */
+ sandbox_parent_own_orbit_dir=g_strdup_printf("%s/tmp/captive-orbit-%d",CAPTIVE_SANDBOX_CHROOT,getpid());
+ if (mkdir(sandbox_parent_own_orbit_dir,0700)) {
+ g_assert(errno==EEXIST);
+ sandbox_parent_own_orbit_dir_cleanup_init();
+ unlink_nonrecursive(sandbox_parent_own_orbit_dir);
+ if (mkdir(sandbox_parent_own_orbit_dir,0700))
+ g_assert_not_reached();
+ }
+ sandbox_parent_own_orbit_dir_cleanup_init();
+ linc_set_tmpdir(sandbox_parent_own_orbit_dir);
+ }
+
+ data=captive_rtl_file_read(Vfs_IOR_fd_read,&data_size); /* data_fd_read */
+ errint=close(Vfs_IOR_fd_read);
+ g_assert(errint==0);
+ g_assert(data!=NULL);
+ g_assert(data_size>=1);
+ g_assert(data[data_size-1]=='\n');
+
+ hash=g_hash_table_new(g_str_hash,g_str_equal);
+
+ for (s=data;s<data+data_size;s=se+1) {
+ se=strchr(s,'\n');
+ g_assert(se!=NULL);
+ *se=0;
+ sd=strchr(s,'=');
+ g_assert(sd!=NULL);
+ *sd=0;
+ g_hash_table_insert(hash,s,sd+1);
+ }
+ g_assert(s==data+data_size);
+
+ if ((child_chroot_pid_hashkey_dir=g_hash_table_lookup(hash,"chroot_pid_hashkey_dir"))) {
+const gchar *socketname,*socketpathname_src,*socketpathname_dest;
+const gchar *chrooted_orbit_dir;
+
+ /* IOR contains the full pathname with the setuid username encoded. */
+ chrooted_orbit_dir=g_hash_table_lookup(hash,"chrooted_orbit_dir");
+ g_assert(chrooted_orbit_dir!=NULL);
+ captive_vfs_parent_object->corba_chrooted_orbit_dir=g_strdup(chrooted_orbit_dir);
+ /* 0700 as this directory will not be reused
+ * to commuicate with any other sandbox child.
+ */
+ if (mkdir(chrooted_orbit_dir,0700)) {
+ g_assert(errno==EEXIST);
+ }
+
+ socketname=g_hash_table_lookup(hash,"socketname");
+ g_assert(socketname!=NULL);
+ captive_vfs_parent_object->corba_socketname=g_strdup(socketname);
+
+ socketpathname_src=captive_printf_alloca("%s/%s/%s",child_chroot_pid_hashkey_dir,chrooted_orbit_dir,socketname);
+ socketpathname_dest=g_strdup_printf("%s/%s",chrooted_orbit_dir,socketname);
+ errint=link(socketpathname_src,socketpathname_dest);
+ if (errint)
+ g_error("link(\"%s\",\"%s\")=%d:%m",socketpathname_src,socketpathname_dest,errint);
+ }
+ if (child_chroot_pid_hashkey_dirp)
+ *child_chroot_pid_hashkey_dirp=g_strdup(child_chroot_pid_hashkey_dir);
+
+ ior=g_hash_table_lookup(hash,"ior");
+ g_assert(ior!=NULL);
+ ior=g_strdup(ior);
+ g_free(data);
+
+ g_hash_table_destroy(hash);
+
+ return ior;
+}
+
-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)
+static xmlNode *options_module_captive_to_xml
+ (xmlNode *dest_xml_parent,const struct captive_options_module *src_options_module_captive)
+{
+ g_return_val_if_fail(dest_xml_parent!=NULL,NULL);
+ g_return_val_if_fail(src_options_module_captive!=NULL,NULL);
+
+ { xmlNode *module=xmlNewTextChild(dest_xml_parent,NULL,"module",NULL);
+ const gchar *type_string="???"; /* Prevent: ... might be used uninitialized in this function */
+ const gchar *basename,*cgs;
+
+ basename=src_options_module_captive->pathname_utf8;
+ if ((cgs=strrchr(basename,'/')))
+ basename=cgs+1;
+ xmlNewProp(module,"basename",basename);
+ switch (src_options_module_captive->type) {
+ case CAPTIVE_OPTIONS_MODULE_TYPE_PE32:
+ type_string="PE32";
+ xmlNewProp(module,"length",captive_printf_alloca("%lu",(unsigned long)src_options_module_captive->u.pe32.length));
+ xmlNewProp(module,"md5" ,src_options_module_captive->u.pe32.md5);
+ break;
+ case CAPTIVE_OPTIONS_MODULE_TYPE_GMODULE:
+ type_string="gmodule";
+ break;
+ default: g_assert_not_reached();
+ }
+ xmlNewProp(module,"type",type_string); /* AFTER the 'switch' to set 'type_string'! */
+ return module;
+ }
+}
+
+
+static void sandbox_parent_bug_doc_make(CaptiveVfsParentObject *captive_vfs_parent_object)
+{
+ { xmlDoc *doc=xmlNewDoc("1.0");
+ captive_vfs_parent_object->corba_bug_doc=doc;
+ { xmlNode *bug=xmlNewDocNode(captive_vfs_parent_object->corba_bug_doc,NULL,"bug",NULL);
+ xmlDocSetRootElement(captive_vfs_parent_object->corba_bug_doc,bug);
+ captive_vfs_parent_object->corba_bug=bug;
+ { xmlNode *bug_captive=xmlNewTextChild(bug,NULL,"captive",NULL);
+ xmlNewProp(bug_captive,"version",VERSION);
+ }
+ { xmlNode *bug_filesystem=xmlNewTextChild(bug,NULL,"filesystem",NULL);
+ options_module_captive_to_xml(bug_filesystem,&CAPTIVE_VFS_OBJECT(captive_vfs_parent_object)->options.filesystem);
+ }
+ { xmlNode *bug_load_module=xmlNewTextChild(bug,NULL,"load_module",NULL);
+ guint load_moduleui;
+ struct captive_options_module *options_module;
+ GList *load_module_node;
+
+ for (load_moduleui=0,load_module_node=CAPTIVE_VFS_OBJECT(captive_vfs_parent_object)->options.load_module;
+ load_module_node;
+ load_moduleui++,load_module_node=load_module_node->next) {
+ options_module=load_module_node->data;
+ options_module_captive_to_xml(bug_load_module,options_module);
+ }
+ }
+ { xmlNode *bug_action=xmlNewTextChild(bug,NULL,"action",NULL);
+ captive_vfs_parent_object->corba_bug_action=bug_action;
+ }
+ { xmlNode *bug_log=xmlNewTextChild(bug,NULL,"log",NULL);
+ captive_vfs_parent_object->corba_bug_log=bug_log;
+ }
+ }
+ }
+}
+
+
+static void sandbox_parent(const gchar *Vfs_IOR,const gchar *child_chroot_pid_hashkey_dir,CaptiveVfsParentObject *captive_vfs_parent_object)
{
Captive_Vfs Vfs_object;
Captive_GLogFunc GLogFunc_object;
Captive_CaptiveOptions options_corba;
guint load_module_length,load_moduleui;
struct captive_options_module *options_module;
-gboolean errbool;
GList *load_module_node;
+const gchar *child_chroot_parent_own_orbit_socket,*child_chroot_parent_own_orbit_dir;
+int errint;
g_return_if_fail(Vfs_IOR!=NULL);
- g_return_if_fail(corba_Vfs_object_return!=NULL);
- g_return_if_fail(corba_GLogFunc_object_return!=NULL);
-
- errbool=corba_init("captive-sandbox-parent",&captive_corba_ev,&captive_corba_orb,&captive_corba_poa);
- g_assert(errbool==TRUE);
+ /* 'child_chroot_pid_hashkey_dir' may be NULL */
+ g_return_if_fail(CAPTIVE_VFS_PARENT_IS_OBJECT(captive_vfs_parent_object));
Vfs_object=CORBA_ORB_string_to_object(captive_corba_orb,Vfs_IOR,&captive_corba_ev);
g_assert(validate_CORBA_Environment(&captive_corba_ev));
/* Init 'GLogFunc_object' */
- GLogFunc_object=impl_Captive_GLogFunc__create(captive_corba_poa,&captive_corba_ev);
+ GLogFunc_object=impl_Captive_GLogFunc__create(captive_corba_poa,captive_vfs_parent_object,&captive_corba_ev);
g_assert(validate_CORBA_Environment(&captive_corba_ev));
/* Init 'CaptiveIOChannel_object' */
+ if (!captive_vfs_parent_object->corba_parent_giochanel_blind_source)
+ switch (CAPTIVE_VFS_OBJECT(captive_vfs_parent_object)->options.rwmode) {
+ case CAPTIVE_OPTION_RWMODE_RO:
+ case CAPTIVE_OPTION_RWMODE_RW:
+ captive_vfs_parent_object->corba_parent_giochanel_blind_source=CAPTIVE_VFS_OBJECT(captive_vfs_parent_object)->options.image_iochannel;
+ break;
+ case CAPTIVE_OPTION_RWMODE_BLIND:
+ captive_vfs_parent_object->corba_parent_giochanel_blind_source=(GIOChannel *)captive_giochannel_blind_new(
+ CAPTIVE_VFS_OBJECT(captive_vfs_parent_object)->options.image_iochannel, /* giochannel_orig */
+ TRUE); /* writeable */
+ break;
+ default: g_assert_not_reached();
+ }
+ if (!captive_vfs_parent_object->corba_parent_giochanel_blind)
+ captive_vfs_parent_object->corba_parent_giochanel_blind=(GIOChannel *)captive_giochannel_blind_new(
+ captive_vfs_parent_object->corba_parent_giochanel_blind_source, /* giochannel_orig */
+ (CAPTIVE_VFS_OBJECT(captive_vfs_parent_object)->options.rwmode!=CAPTIVE_OPTION_RWMODE_RO)); /* writeable */
CaptiveIOChannel_object=impl_Captive_CaptiveIOChannel__create(captive_corba_poa,
- options_captive->image_iochannel,&captive_corba_ev);
+ captive_vfs_parent_object->corba_parent_giochanel_blind,&captive_corba_ev);
g_assert(validate_CORBA_Environment(&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;
+ /* Create the socket needed for 'sandbox_parent_own_orbit_socket' below
+ * by CORBA_ORB_object_to_string()->ORBit_marshal_object()->IOP_generate_profiles()->ORBit_ORB_start_servers...
+ */
+ {
+char *GLogFunc_IOR;
+ GLogFunc_IOR=CORBA_ORB_object_to_string(captive_corba_orb,GLogFunc_object,&captive_corba_ev);
+ g_assert(validate_CORBA_Environment(&captive_corba_ev));
+ g_assert(GLogFunc_IOR!=NULL);
+ CORBA_free(GLogFunc_IOR);
+ }
+
+ if (sandbox_parent_own_orbit_dir && !sandbox_parent_own_orbit_socket) {
+DIR *dir;
+struct dirent *dirent;
- load_module_length=g_list_length(options_captive->load_module);
- captive_newn(options_corba.load_module._buffer,load_module_length);
+ dir=opendir(sandbox_parent_own_orbit_dir);
+ g_assert(dir!=NULL);
+
+ while (errno=0,(dirent=readdir(dir))) {
+ if (!strcmp(dirent->d_name,".") || !strcmp(dirent->d_name,".."))
+ continue;
+ g_assert(sandbox_parent_own_orbit_socket==NULL);
+ sandbox_parent_own_orbit_socket=g_strdup_printf("%s/%s",sandbox_parent_own_orbit_dir,dirent->d_name);
+ }
+ g_assert(errno==0);
+ errint=closedir(dir);
+ g_assert(errint==0);
+ g_assert(sandbox_parent_own_orbit_socket!=NULL);
+ }
+
+ if (child_chroot_pid_hashkey_dir) {
+gchar *s;
+
+ child_chroot_parent_own_orbit_dir=captive_printf_alloca("%s/%s",child_chroot_pid_hashkey_dir,sandbox_parent_own_orbit_dir);
+ s=(/* de-const */ gchar *)child_chroot_parent_own_orbit_dir;
+ do {
+ s=strchr(s,'/');
+ if (s)
+ *s=0;
+ if (*child_chroot_parent_own_orbit_dir) {
+ errint=mkdir(child_chroot_parent_own_orbit_dir,0777);
+ if (errint)
+ g_assert(errno==EEXIST);
+ else {
+ /* chmod(2) it to prevent mode limitation by
+ * active ulimit(2) of being executed by mount(8).
+ */
+ errint=chmod(child_chroot_parent_own_orbit_dir,0777);
+ g_assert(errint==0);
+ }
+ }
+ if (s)
+ *s++='/';
+ } while (s);
+ child_chroot_parent_own_orbit_socket=captive_printf_alloca("%s/%s",
+ child_chroot_pid_hashkey_dir,sandbox_parent_own_orbit_socket);
+ errint=link(sandbox_parent_own_orbit_socket,child_chroot_parent_own_orbit_socket);
+ g_assert(errint==0);
+ /* chmod(2)s also our orig. one (!) but this one is protected by its 0777 directory. */
+ errint=chmod(child_chroot_parent_own_orbit_socket,0666);
+ g_assert(errint==0);
+ }
+
+ options_corba.g_log_func=CORBA_Object_duplicate(GLogFunc_object,&captive_corba_ev);
+ g_assert(validate_CORBA_Environment(&captive_corba_ev));
+
+ options_module_captive_to_options_module_corba(&options_corba.filesystem,&CAPTIVE_VFS_OBJECT(captive_vfs_parent_object)->options.filesystem);
+ /* Prevent secondary captive_giochannel_blind inside of our sandbox child
+ * as we already have one captive_giochannel_blind in the parent.
+ */
+ options_corba.rwmode =(CAPTIVE_VFS_OBJECT(captive_vfs_parent_object)->options.rwmode == CAPTIVE_OPTION_RWMODE_BLIND ? CAPTIVE_OPTION_RWMODE_RW
+ : CAPTIVE_VFS_OBJECT(captive_vfs_parent_object)->options.rwmode);
+ options_corba.media =CAPTIVE_VFS_OBJECT(captive_vfs_parent_object)->options.media;
+ options_corba.debug_messages=CAPTIVE_VFS_OBJECT(captive_vfs_parent_object)->options.debug_messages;
+
+ options_corba.image_iochannel=CORBA_Object_duplicate(CaptiveIOChannel_object,&captive_corba_ev);
+ g_assert(validate_CORBA_Environment(&captive_corba_ev));
+
+ load_module_length=g_list_length(CAPTIVE_VFS_OBJECT(captive_vfs_parent_object)->options.load_module);
options_corba.load_module._maximum=load_module_length;
options_corba.load_module._length=load_module_length;
+ options_corba.load_module._buffer=Captive_CaptiveOptionsModuleList_allocbuf(options_corba.load_module._maximum);
options_corba.load_module._release=TRUE;
- for (load_moduleui=0,load_module_node=options_captive->load_module;
+ for (load_moduleui=0,load_module_node=CAPTIVE_VFS_OBJECT(captive_vfs_parent_object)->options.load_module;
load_module_node;
load_moduleui++,load_module_node=load_module_node->next) {
options_module=load_module_node->data;
Captive_Vfs_init(Vfs_object,&options_corba,&captive_corba_ev);
g_assert(validate_CORBA_Environment(&captive_corba_ev));
- /* FIXME: Free 'options_corba' - LEAK */
+ Captive_CaptiveOptions__freekids(&options_corba,
+ NULL); /* d; unused */
+
+ captive_vfs_parent_object->corba_Vfs_object=Vfs_object;
+ captive_vfs_parent_object->corba_GLogFunc_object=GLogFunc_object;
+ captive_vfs_parent_object->corba_CaptiveIOChannel_object=CaptiveIOChannel_object;
- *corba_Vfs_object_return=Vfs_object;
- *corba_GLogFunc_object_return=GLogFunc_object;
- *corba_CaptiveIOChannel_object_return=CaptiveIOChannel_object;
+ if (CAPTIVE_VFS_OBJECT(captive_vfs_parent_object)->options.bug_pathname)
+ sandbox_parent_bug_doc_make(captive_vfs_parent_object);
}
static void fd_shiftup(int *fdp)
close(dir_fd); g_assert(errno==EBADF); /* just a bit of paranoia; it should be already closed by closedir() */
}
-gboolean captive_sandbox_spawn(CaptiveVfsObject *child_captive_vfs_object,
- Captive_Vfs *corba_Vfs_object_return,Captive_GLogFunc *corba_GLogFunc_object_return,
- Captive_CaptiveIOChannel *corba_CaptiveIOChannel_object_return,int *parentheart_fds_1_return)
+gboolean captive_sandbox_spawn(CaptiveVfsParentObject *captive_vfs_parent_object)
{
/* 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_GLogFunc_object_return!=NULL,FALSE);
- g_return_val_if_fail(parentheart_fds_1_return!=NULL,FALSE);
+ g_return_val_if_fail(CAPTIVE_VFS_PARENT_IS_OBJECT(captive_vfs_parent_object),FALSE);
errint=pipe(Vfs_IOR_fds);
g_return_val_if_fail(errint==0,FALSE);
* g_assert(errbool==TRUE);
*/
- if (captive_sandbox_server_ior) {
- *parentheart_fds_1_return=-1;
+ if (CAPTIVE_VFS_OBJECT(captive_vfs_parent_object)->options.sandbox_server_ior) {
+ g_assert(CAPTIVE_VFS_OBJECT(captive_vfs_parent_object)->options.sandbox_server_argv==NULL);
+
+ errbool=corba_init("captive-sandbox-parent",&captive_corba_ev,&captive_corba_orb,&captive_corba_poa);
+ g_assert(errbool==TRUE);
+
+ captive_vfs_parent_object->corba_parentheart_fds_1=-1;
+ captive_vfs_parent_object->corba_child_pid=-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 */
+ CAPTIVE_VFS_OBJECT(captive_vfs_parent_object)->options.sandbox_server_ior, /* Vfs_IOR */
+ NULL, /* child_chroot_pid_hashkey_dir */
+ captive_vfs_parent_object); /* captive_vfs_parent_object */
return TRUE;
}
- g_assert(captive_sandbox_server_argv!=NULL);
- switch (fork()) {
+ g_assert(CAPTIVE_VFS_OBJECT(captive_vfs_parent_object)->options.sandbox_server_argv!=NULL);
+ switch ((captive_vfs_parent_object->corba_child_pid=fork())) {
case -1: /* error */
g_return_val_if_reached(FALSE);
captive_sandbox_fd_closeup(2 /* STDERR */ +1);
- execv(captive_sandbox_server_argv[0],/* re-const */ (char * const *)captive_sandbox_server_argv);
+ execv(CAPTIVE_VFS_OBJECT(captive_vfs_parent_object)->options.sandbox_server_argv[0],
+ /* re-const */ (char * const *)CAPTIVE_VFS_OBJECT(captive_vfs_parent_object)->options.sandbox_server_argv);
g_return_val_if_reached(FALSE);
} /* NOTREACHED */
default: { /* parent */
-char *Vfs_IOR;
-gsize Vfs_IOR_size;
+gchar *Vfs_IOR;
+gchar *child_chroot_pid_hashkey_dir;
errint=close(Vfs_IOR_fds[1]); /* close Vfs_IOR_fd_write */
g_return_val_if_fail(errint==0,FALSE);
* Currently I am not aware such case would occur.
*/
g_return_val_if_fail(errint==0,FALSE);
- *parentheart_fds_1_return=parentheart_fds[1];
+ captive_vfs_parent_object->corba_parentheart_fds_1=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);
+ Vfs_IOR=sandbox_parent_read_ior(
+ Vfs_IOR_fds[0], /* Vfs_IOR_fd_read */
+ &child_chroot_pid_hashkey_dir,
+ captive_vfs_parent_object);
sandbox_parent(
Vfs_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 */
+ child_chroot_pid_hashkey_dir, /* child_chroot_pid_hashkey_dir */
+ captive_vfs_parent_object); /* captive_vfs_parent_object */
g_free(Vfs_IOR);
+ g_free(child_chroot_pid_hashkey_dir);
/* 'parentheart_fds[1]' - parentheart_fd_write - is left open here */
return TRUE;
}
-GnomeVFSResult captive_sandbox_parent_return_from_CORBA_Environment(CORBA_Environment *evp)
+GnomeVFSResult captive_sandbox_parent_return_from_CORBA_Environment
+ (CORBA_Environment *evp,CaptiveVfsParentObject *captive_vfs_parent_object)
{
GnomeVFSResult r;
if (evp->_major==CORBA_NO_EXCEPTION)
return GNOME_VFS_OK;
- if (evp->_major==CORBA_USER_EXCEPTION && !strcmp(ex_Captive_GnomeVFSResultException,CORBA_exception_id(evp)))
+ /* If !CAPTIVE_VFS_OBJECT(captive_vfs_parent_object)->options.sandbox_server_argv it is CAPTIVE_VFS_OBJECT(captive_vfs_parent_object)->options.sandbox_server_ior
+ * where we cannot do any restart anyway.
+ */
+ if (captive_vfs_parent_object && CAPTIVE_VFS_OBJECT(captive_vfs_parent_object)->options.sandbox_server_argv
+ && (evp->_major==CORBA_SYSTEM_EXCEPTION && !strcmp(ex_CORBA_COMM_FAILURE,CORBA_exception_id(evp)))) {
+ r=GNOME_VFS_ERROR_SERVICE_NOT_AVAILABLE;
+ if (captive_vfs_parent_object->corba_Vfs_object!=CORBA_OBJECT_NIL)
+ captive_vfs_parent_object_aborted(captive_vfs_parent_object); /* errors ignored */
+ }
+ else if (evp->_major==CORBA_USER_EXCEPTION && !strcmp(ex_Captive_GnomeVFSResultException,CORBA_exception_id(evp))) {
r=((Captive_GnomeVFSResultException *)CORBA_exception_value(evp))->gnome_vfs_result;
+ g_assert(r!=GNOME_VFS_ERROR_SERVICE_NOT_AVAILABLE); /* code reserved for sandbox restarts */
+ }
else {
r=GNOME_VFS_ERROR_GENERIC;
g_warning(_("CORBA Exception occured: id=\"%s\", value=%p"),
}
-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;