%{
/*
* Copyright (c) 1996, 1998-2005, 2007-2013
* Todd C. Miller <Todd.Miller@courtesan.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Sponsored in part by the Defense Advanced Research Projects
* Agency (DARPA) and Air Force Research Laboratory, Air Force
* Materiel Command, USAF, under agreement number F39502-99-1-0512.
*/
#include <config.h>
#include <sys/types.h>
#include <stdio.h>
#ifdef STDC_HEADERS
# include <stdlib.h>
# include <stddef.h>
#else
# ifdef HAVE_STDLIB_H
# include <stdlib.h>
# endif
#endif /* STDC_HEADERS */
#ifdef HAVE_STRING_H
# include <string.h>
#endif /* HAVE_STRING_H */
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif /* HAVE_STRINGS_H */
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif /* HAVE_UNISTD_H */
#ifdef HAVE_INTTYPES_H
# include <inttypes.h>
#endif
#if defined(YYBISON) && defined(HAVE_ALLOCA_H) && !defined(__GNUC__)
# include <alloca.h>
#endif /* YYBISON && HAVE_ALLOCA_H && !__GNUC__ */
#include <limits.h>
#include "sudoers.h" /* XXX */
#include "parse.h"
#include "toke.h"
/*
* We must define SIZE_MAX for yacc's skeleton.c.
* If there is no SIZE_MAX or SIZE_T_MAX we have to assume that size_t
* could be signed (as it is on SunOS 4.x).
*/
#ifndef SIZE_MAX
# ifdef SIZE_T_MAX
# define SIZE_MAX SIZE_T_MAX
# else
# define SIZE_MAX INT_MAX
# endif /* SIZE_T_MAX */
#endif /* SIZE_MAX */
/*
* Globals
*/
extern int sudolineno;
extern int last_token;
extern char *sudoers;
bool sudoers_warnings = true;
bool parse_error = false;
int errorlineno = -1;
char *errorfile = NULL;
struct defaults_list defaults;
struct userspec_list userspecs;
/*
* Local protoypes
*/
static void add_defaults(int, struct member *, struct defaults *);
static void add_userspec(struct member *, struct privilege *);
static struct defaults *new_default(char *, char *, int);
static struct member *new_member(char *, int);
static struct sudo_digest *new_digest(int, const char *);
%}
%union {
struct cmndspec *cmndspec;
struct defaults *defaults;
struct member *member;
struct runascontainer *runas;
struct privilege *privilege;
struct sudo_digest *digest;
struct sudo_command command;
struct cmndtag tag;
struct selinux_info seinfo;
struct solaris_privs_info privinfo;
char *string;
int tok;
}
%start file /* special start symbol */
%token <command> COMMAND /* absolute pathname w/ optional args */
%token <string> ALIAS /* an UPPERCASE alias name */
%token <string> DEFVAR /* a Defaults variable name */
%token <string> NTWKADDR /* ipv4 or ipv6 address */
%token <string> NETGROUP /* a netgroup (+NAME) */
%token <string> USERGROUP /* a usergroup (%NAME) */
%token <string> WORD /* a word */
%token <string> DIGEST /* a SHA-2 digest */
%token <tok> DEFAULTS /* Defaults entry */
%token <tok> DEFAULTS_HOST /* Host-specific defaults entry */
%token <tok> DEFAULTS_USER /* User-specific defaults entry */
%token <tok> DEFAULTS_RUNAS /* Runas-specific defaults entry */
%token <tok> DEFAULTS_CMND /* Command-specific defaults entry */
%token <tok> NOPASSWD /* no passwd req for command */
%token <tok> PASSWD /* passwd req for command (default) */
%token <tok> NOEXEC /* preload dummy execve() for cmnd */
%token <tok> EXEC /* don't preload dummy execve() */
%token <tok> SETENV /* user may set environment for cmnd */
%token <tok> NOSETENV /* user may not set environment */
%token <tok> LOG_INPUT /* log user's cmnd input */
%token <tok> NOLOG_INPUT /* don't log user's cmnd input */
%token <tok> LOG_OUTPUT /* log cmnd output */
%token <tok> NOLOG_OUTPUT /* don't log cmnd output */
%token <tok> ALL /* ALL keyword */
%token <tok> COMMENT /* comment and/or carriage return */
%token <tok> HOSTALIAS /* Host_Alias keyword */
%token <tok> CMNDALIAS /* Cmnd_Alias keyword */
%token <tok> USERALIAS /* User_Alias keyword */
%token <tok> RUNASALIAS /* Runas_Alias keyword */
%token <tok> ':' '=' ',' '!' '+' '-' /* union member tokens */
%token <tok> '(' ')' /* runas tokens */
%token <tok> ERROR
%token <tok> TYPE /* SELinux type */
%token <tok> ROLE /* SELinux role */
%token <tok> PRIVS /* Solaris privileges */
%token <tok> LIMITPRIVS /* Solaris limit privileges */
%token <tok> MYSELF /* run as myself, not another user */
%token <tok> SHA224 /* sha224 digest */
%token <tok> SHA256 /* sha256 digest */
%token <tok> SHA384 /* sha384 digest */
%token <tok> SHA512 /* sha512 digest */
%type <cmndspec> cmndspec
%type <cmndspec> cmndspeclist
%type <defaults> defaults_entry
%type <defaults> defaults_list
%type <member> cmnd
%type <member> opcmnd
%type <member> digcmnd
%type <member> cmndlist
%type <member> host
%type <member> hostlist
%type <member> ophost
%type <member> opuser
%type <member> user
%type <member> userlist
%type <member> opgroup
%type <member> group
%type <member> grouplist
%type <runas> runasspec
%type <runas> runaslist
%type <privilege> privilege
%type <privilege> privileges
%type <tag> cmndtag
%type <seinfo> selinux
%type <string> rolespec
%type <string> typespec
%type <privinfo> solarisprivs
%type <string> privsspec
%type <string> limitprivsspec
%type <digest> digest
%%
file : { ; }
| line
;
line : entry
| line entry
;
entry : COMMENT {
;
}
| error COMMENT {
yyerrok;
}
| userlist privileges {
add_userspec($1, $2);
}
| USERALIAS useraliases {
;
}
| HOSTALIAS hostaliases {
;
}
| CMNDALIAS cmndaliases {
;
}
| RUNASALIAS runasaliases {
;
}
| DEFAULTS defaults_list {
add_defaults(DEFAULTS, NULL, $2);
}
| DEFAULTS_USER userlist defaults_list {
add_defaults(DEFAULTS_USER, $2, $3);
}
| DEFAULTS_RUNAS userlist defaults_list {
add_defaults(DEFAULTS_RUNAS, $2, $3);
}
| DEFAULTS_HOST hostlist defaults_list {
add_defaults(DEFAULTS_HOST, $2, $3);
}
| DEFAULTS_CMND cmndlist defaults_list {
add_defaults(DEFAULTS_CMND, $2, $3);
}
;
defaults_list : defaults_entry
| defaults_list ',' defaults_entry {
list_append($1, $3);
$$ = $1;
}
;
defaults_entry : DEFVAR {
$$ = new_default($1, NULL, true);
}
| '!' DEFVAR {
$$ = new_default($2, NULL, false);
}
| DEFVAR '=' WORD {
$$ = new_default($1, $3, true);
}
| DEFVAR '+' WORD {
$$ = new_default($1, $3, '+');
}
| DEFVAR '-' WORD {
$$ = new_default($1, $3, '-');
}
;
privileges : privilege
| privileges ':' privilege {
list_append($1, $3);
$$ = $1;
}
;
privilege : hostlist '=' cmndspeclist {
struct privilege *p = ecalloc(1, sizeof(*p));
list2tq(&p->hostlist, $1);
list2tq(&p->cmndlist, $3);
p->prev = p;
/* p->next = NULL; */
$$ = p;
}
;
ophost : host {
$$ = $1;
$$->negated = false;
}
| '!' host {
$$ = $2;
$$->negated = true;
}
;
host : ALIAS {
$$ = new_member($1, ALIAS);
}
| ALL {
$$ = new_member(NULL, ALL);
}
| NETGROUP {
$$ = new_member($1, NETGROUP);
}
| NTWKADDR {
$$ = new_member($1, NTWKADDR);
}
| WORD {
$$ = new_member($1, WORD);
}
;
cmndspeclist : cmndspec
| cmndspeclist ',' cmndspec {
list_append($1, $3);
#ifdef HAVE_SELINUX
/* propagate role and type */
if ($3->role == NULL)
$3->role = $3->prev->role;
if ($3->type == NULL)
$3->type = $3->prev->type;
#endif /* HAVE_SELINUX */
#ifdef HAVE_PRIV_SET
/* propagate privs & limitprivs */
if ($3->privs == NULL)
$3->privs = $3->prev->privs;
if ($3->limitprivs == NULL)
$3->limitprivs = $3->prev->limitprivs;
#endif /* HAVE_PRIV_SET */
/* propagate tags and runas list */
if ($3->tags.nopasswd == UNSPEC)
$3->tags.nopasswd = $3->prev->tags.nopasswd;
if ($3->tags.noexec == UNSPEC)
$3->tags.noexec = $3->prev->tags.noexec;
if ($3->tags.setenv == UNSPEC &&
$3->prev->tags.setenv != IMPLIED)
$3->tags.setenv = $3->prev->tags.setenv;
if ($3->tags.log_input == UNSPEC)
$3->tags.log_input = $3->prev->tags.log_input;
if ($3->tags.log_output == UNSPEC)
$3->tags.log_output = $3->prev->tags.log_output;
if ((tq_empty(&$3->runasuserlist) &&
tq_empty(&$3->runasgrouplist)) &&
(!tq_empty(&$3->prev->runasuserlist) ||
!tq_empty(&$3->prev->runasgrouplist))) {
$3->runasuserlist = $3->prev->runasuserlist;
$3->runasgrouplist = $3->prev->runasgrouplist;
}
$$ = $1;
}
;
cmndspec : runasspec selinux solarisprivs cmndtag digcmnd {
struct cmndspec *cs = ecalloc(1, sizeof(*cs));
if ($1 != NULL) {
list2tq(&cs->runasuserlist, $1->runasusers);
list2tq(&cs->runasgrouplist, $1->runasgroups);
efree($1);
} else {
tq_init(&cs->runasuserlist);
tq_init(&cs->runasgrouplist);
}
#ifdef HAVE_SELINUX
cs->role = $2.role;
cs->type = $2.type;
#endif
#ifdef HAVE_PRIV_SET
cs->privs = $3.privs;
cs->limitprivs = $3.limitprivs;
#endif
cs->tags = $4;
cs->cmnd = $5;
cs->prev = cs;
cs->next = NULL;
/* sudo "ALL" implies the SETENV tag */
if (cs->cmnd->type == ALL && !cs->cmnd->negated &&
cs->tags.setenv == UNSPEC)
cs->tags.setenv = IMPLIED;
$$ = cs;
}
;
digest : SHA224 ':' DIGEST {
$$ = new_digest(SUDO_DIGEST_SHA224, $3);
}
| SHA256 ':' DIGEST {
$$ = new_digest(SUDO_DIGEST_SHA256, $3);
}
| SHA384 ':' DIGEST {
$$ = new_digest(SUDO_DIGEST_SHA384, $3);
}
| SHA512 ':' DIGEST {
$$ = new_digest(SUDO_DIGEST_SHA512, $3);
}
;
digcmnd : opcmnd {
$$ = $1;
}
| digest opcmnd {
/* XXX - yuck */
struct sudo_command *c = (struct sudo_command *)($2->name);
c->digest = $1;
$$ = $2;
}
;
opcmnd : cmnd {
$$ = $1;
$$->negated = false;
}
| '!' cmnd {
$$ = $2;
$$->negated = true;
}
;
rolespec : ROLE '=' WORD {
$$ = $3;
}
;
typespec : TYPE '=' WORD {
$$ = $3;
}
;
selinux : /* empty */ {
$$.role = NULL;
$$.type = NULL;
}
| rolespec {
$$.role = $1;
$$.type = NULL;
}
| typespec {
$$.type = $1;
$$.role = NULL;
}
| rolespec typespec {
$$.role = $1;
$$.type = $2;
}
| typespec rolespec {
$$.type = $1;
$$.role = $2;
}
;
privsspec : PRIVS '=' WORD {
$$ = $3;
}
;
limitprivsspec : LIMITPRIVS '=' WORD {
$$ = $3;
}
;
solarisprivs : /* empty */ {
$$.privs = NULL;
$$.limitprivs = NULL;
}
| privsspec {
$$.privs = $1;
$$.limitprivs = NULL;
}
| limitprivsspec {
$$.privs = NULL;
$$.limitprivs = $1;
}
| privsspec limitprivsspec {
$$.privs = $1;
$$.limitprivs = $2;
}
| limitprivsspec privsspec {
$$.limitprivs = $1;
$$.privs = $2;
}
;
runasspec : /* empty */ {
$$ = NULL;
}
| '(' runaslist ')' {
$$ = $2;
}
;
runaslist : /* empty */ {
$$ = ecalloc(1, sizeof(struct runascontainer));
$$->runasusers = new_member(NULL, MYSELF);
/* $$->runasgroups = NULL; */
}
| userlist {
$$ = ecalloc(1, sizeof(struct runascontainer));
$$->runasusers = $1;
/* $$->runasgroups = NULL; */
}
| userlist ':' grouplist {
$$ = ecalloc(1, sizeof(struct runascontainer));
$$->runasusers = $1;
$$->runasgroups = $3;
}
| ':' grouplist {
$$ = ecalloc(1, sizeof(struct runascontainer));
/* $$->runasusers = NULL; */
$$->runasgroups = $2;
}
| ':' {
$$ = ecalloc(1, sizeof(struct runascontainer));
$$->runasusers = new_member(NULL, MYSELF);
/* $$->runasgroups = NULL; */
}
;
cmndtag : /* empty */ {
$$.nopasswd = $$.noexec = $$.setenv =
$$.log_input = $$.log_output = UNSPEC;
}
| cmndtag NOPASSWD {
$$.nopasswd = true;
}
| cmndtag PASSWD {
$$.nopasswd = false;
}
| cmndtag NOEXEC {
$$.noexec = true;
}
| cmndtag EXEC {
$$.noexec = false;
}
| cmndtag SETENV {
$$.setenv = true;
}
| cmndtag NOSETENV {
$$.setenv = false;
}
| cmndtag LOG_INPUT {
$$.log_input = true;
}
| cmndtag NOLOG_INPUT {
$$.log_input = false;
}
| cmndtag LOG_OUTPUT {
$$.log_output = true;
}
| cmndtag NOLOG_OUTPUT {
$$.log_output = false;
}
;
cmnd : ALL {
$$ = new_member(NULL, ALL);
}
| ALIAS {
$$ = new_member($1, ALIAS);
}
| COMMAND {
struct sudo_command *c = ecalloc(1, sizeof(*c));
c->cmnd = $1.cmnd;
c->args = $1.args;
$$ = new_member((char *)c, COMMAND);
}
;
hostaliases : hostalias
| hostaliases ':' hostalias
;
hostalias : ALIAS '=' hostlist {
char *s;
if ((s = alias_add($1, HOSTALIAS, $3)) != NULL) {
sudoerserror(s);
YYERROR;
}
}
;
hostlist : ophost
| hostlist ',' ophost {
list_append($1, $3);
$$ = $1;
}
;
cmndaliases : cmndalias
| cmndaliases ':' cmndalias
;
cmndalias : ALIAS '=' cmndlist {
char *s;
if ((s = alias_add($1, CMNDALIAS, $3)) != NULL) {
sudoerserror(s);
YYERROR;
}
}
;
cmndlist : digcmnd
| cmndlist ',' digcmnd {
list_append($1, $3);
$$ = $1;
}
;
runasaliases : runasalias
| runasaliases ':' runasalias
;
runasalias : ALIAS '=' userlist {
char *s;
if ((s = alias_add($1, RUNASALIAS, $3)) != NULL) {
sudoerserror(s);
YYERROR;
}
}
;
useraliases : useralias
| useraliases ':' useralias
;
useralias : ALIAS '=' userlist {
char *s;
if ((s = alias_add($1, USERALIAS, $3)) != NULL) {
sudoerserror(s);
YYERROR;
}
}
;
userlist : opuser
| userlist ',' opuser {
list_append($1, $3);
$$ = $1;
}
;
opuser : user {
$$ = $1;
$$->negated = false;
}
| '!' user {
$$ = $2;
$$->negated = true;
}
;
user : ALIAS {
$$ = new_member($1, ALIAS);
}
| ALL {
$$ = new_member(NULL, ALL);
}
| NETGROUP {
$$ = new_member($1, NETGROUP);
}
| USERGROUP {
$$ = new_member($1, USERGROUP);
}
| WORD {
$$ = new_member($1, WORD);
}
;
grouplist : opgroup
| grouplist ',' opgroup {
list_append($1, $3);
$$ = $1;
}
;
opgroup : group {
$$ = $1;
$$->negated = false;
}
| '!' group {
$$ = $2;
$$->negated = true;
}
;
group : ALIAS {
$$ = new_member($1, ALIAS);
}
| ALL {
$$ = new_member(NULL, ALL);
}
| WORD {
$$ = new_member($1, WORD);
}
;
%%
void
sudoerserror(const char *s)
{
debug_decl(sudoerserror, SUDO_DEBUG_PARSER)
/* If we last saw a newline the error is on the preceding line. */
if (last_token == COMMENT)
sudolineno--;
/* Save the line the first error occurred on. */
if (errorlineno == -1) {
errorlineno = sudolineno;
errorfile = estrdup(sudoers);
}
if (sudoers_warnings && s != NULL) {
LEXTRACE("<*> ");
#ifndef TRACELEXER
if (trace_print == NULL || trace_print == sudoers_trace_print) {
const char fmt[] = ">>> %s: %s near line %d <<<\n";
int oldlocale;
/* Warnings are displayed in the user's locale. */
sudoers_setlocale(SUDOERS_LOCALE_USER, &oldlocale);
sudo_printf(SUDO_CONV_ERROR_MSG, _(fmt), sudoers, _(s), sudolineno);
sudoers_setlocale(oldlocale, NULL);
}
#endif
}
parse_error = true;
debug_return;
}
static struct defaults *
new_default(char *var, char *val, int op)
{
struct defaults *d;
debug_decl(new_default, SUDO_DEBUG_PARSER)
d = ecalloc(1, sizeof(struct defaults));
d->var = var;
d->val = val;
tq_init(&d->binding);
/* d->type = 0; */
d->op = op;
d->prev = d;
/* d->next = NULL; */
debug_return_ptr(d);
}
static struct member *
new_member(char *name, int type)
{
struct member *m;
debug_decl(new_member, SUDO_DEBUG_PARSER)
m = ecalloc(1, sizeof(struct member));
m->name = name;
m->type = type;
m->prev = m;
/* m->next = NULL; */
debug_return_ptr(m);
}
struct sudo_digest *
new_digest(int digest_type, const char *digest_str)
{
struct sudo_digest *dig;
debug_decl(new_digest, SUDO_DEBUG_PARSER)
dig = emalloc(sizeof(*dig));
dig->digest_type = digest_type;
dig->digest_str = estrdup(digest_str);
debug_return_ptr(dig);
}
/*
* Add a list of defaults structures to the defaults list.
* The binding, if non-NULL, specifies a list of hosts, users, or
* runas users the entries apply to (specified by the type).
*/
static void
add_defaults(int type, struct member *bmem, struct defaults *defs)
{
struct defaults *d;
struct member_list binding;
debug_decl(add_defaults, SUDO_DEBUG_PARSER)
/*
* We can only call list2tq once on bmem as it will zero
* out the prev pointer when it consumes bmem.
*/
list2tq(&binding, bmem);
/*
* Set type and binding (who it applies to) for new entries.
*/
for (d = defs; d != NULL; d = d->next) {
d->type = type;
d->binding = binding;
}
tq_append(&defaults, defs);
debug_return;
}
/*
* Allocate a new struct userspec, populate it, and insert it at the
* and of the userspecs list.
*/
static void
add_userspec(struct member *members, struct privilege *privs)
{
struct userspec *u;
debug_decl(add_userspec, SUDO_DEBUG_PARSER)
u = ecalloc(1, sizeof(*u));
list2tq(&u->users, members);
list2tq(&u->privileges, privs);
u->prev = u;
/* u->next = NULL; */
tq_append(&userspecs, u);
debug_return;
}
/*
* Free up space used by data structures from a previous parser run and sets
* the current sudoers file to path.
*/
void
init_parser(const char *path, bool quiet)
{
struct defaults *d;
struct member *m, *binding;
struct userspec *us;
struct privilege *priv;
struct cmndspec *cs;
struct sudo_command *c;
debug_decl(init_parser, SUDO_DEBUG_PARSER)
while ((us = tq_pop(&userspecs)) != NULL) {
while ((m = tq_pop(&us->users)) != NULL) {
efree(m->name);
efree(m);
}
while ((priv = tq_pop(&us->privileges)) != NULL) {
struct member *runasuser = NULL, *runasgroup = NULL;
#ifdef HAVE_SELINUX
char *role = NULL, *type = NULL;
#endif /* HAVE_SELINUX */
#ifdef HAVE_PRIV_SET
char *privs = NULL, *limitprivs = NULL;
#endif /* HAVE_PRIV_SET */
while ((m = tq_pop(&priv->hostlist)) != NULL) {
efree(m->name);
efree(m);
}
while ((cs = tq_pop(&priv->cmndlist)) != NULL) {
#ifdef HAVE_SELINUX
/* Only free the first instance of a role/type. */
if (cs->role != role) {
role = cs->role;
efree(cs->role);
}
if (cs->type != type) {
type = cs->type;
efree(cs->type);
}
#endif /* HAVE_SELINUX */
#ifdef HAVE_PRIV_SET
/* Only free the first instance of privs/limitprivs. */
if (cs->privs != privs) {
privs = cs->privs;
efree(cs->privs);
}
if (cs->limitprivs != limitprivs) {
limitprivs = cs->limitprivs;
efree(cs->limitprivs);
}
#endif /* HAVE_PRIV_SET */
if (tq_last(&cs->runasuserlist) != runasuser) {
runasuser = tq_last(&cs->runasuserlist);
while ((m = tq_pop(&cs->runasuserlist)) != NULL) {
efree(m->name);
efree(m);
}
}
if (tq_last(&cs->runasgrouplist) != runasgroup) {
runasgroup = tq_last(&cs->runasgrouplist);
while ((m = tq_pop(&cs->runasgrouplist)) != NULL) {
efree(m->name);
efree(m);
}
}
if (cs->cmnd->type == COMMAND) {
c = (struct sudo_command *) cs->cmnd->name;
efree(c->cmnd);
efree(c->args);
}
efree(cs->cmnd->name);
efree(cs->cmnd);
efree(cs);
}
efree(priv);
}
efree(us);
}
tq_init(&userspecs);
binding = NULL;
while ((d = tq_pop(&defaults)) != NULL) {
if (tq_last(&d->binding) != binding) {
binding = tq_last(&d->binding);
while ((m = tq_pop(&d->binding)) != NULL) {
if (m->type == COMMAND) {
c = (struct sudo_command *) m->name;
efree(c->cmnd);
efree(c->args);
}
efree(m->name);
efree(m);
}
}
efree(d->var);
efree(d->val);
efree(d);
}
tq_init(&defaults);
init_aliases();
init_lexer();
efree(sudoers);
sudoers = path ? estrdup(path) : NULL;
parse_error = false;
errorlineno = -1;
errorfile = sudoers;
sudoers_warnings = !quiet;
debug_return;
}
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