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Code Issues Releases Wiki Activity

Treat timestamp files from before we booted as old. Idea from and

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Apple patch.
This commit is contained in:
Todd C. Miller 2009-12-10 16:59:27 +00:00
parent 8b48ab71e4
commit 600ce3dfa6
7 changed files with 274 additions and 23 deletions
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25
Makefile.in
View File

@ -104,16 +104,17 @@ SHELL = /bin/sh
PROGS = @PROGS@
SRCS = aix.c alias.c alloc.c audit.c bsm_audit.c check.c closefrom.c \
def_data.c defaults.c env.c error.c fileops.c find_path.c fnmatch.c \
getcwd.c getprogname.c getspwuid.c gettime.c glob.c goodpath.c gram.c \
gram.y interfaces.c isblank.c lbuf.c ldap.c list.c logging.c match.c \
mkstemp.c memrchr.c nanosleep.c parse.c pwutil.c pty.c script.c \
set_perms.c sigaction.c snprintf.c strcasecmp.c strerror.c strlcat.c \
strlcpy.c strsignal.c sudo.c sudo_noexec.c sudo_edit.c sudo_nss.c \
term.c testsudoers.c tgetpass.c toke.c toke.l tsgetgrpw.c utimes.c \
vasgroups.c visudo.c zero_bytes.c redblack.c selinux.c sesh.c \
sudoreplay.c getdate.c getdate.y getline.c timestr.c $(AUTH_SRCS)
SRCS = aix.c alias.c alloc.c audit.c boottime.c bsm_audit.c check.c \
closefrom.c def_data.c defaults.c env.c error.c fileops.c find_path.c \
fnmatch.c getcwd.c getprogname.c getspwuid.c gettime.c glob.c \
goodpath.c gram.c gram.y interfaces.c isblank.c lbuf.c ldap.c list.c \
logging.c match.c mkstemp.c memrchr.c nanosleep.c parse.c pwutil.c \
pty.c script.c set_perms.c sigaction.c snprintf.c strcasecmp.c \
strerror.c strlcat.c strlcpy.c strsignal.c sudo.c sudo_noexec.c \
sudo_edit.c sudo_nss.c term.c testsudoers.c tgetpass.c toke.c toke.l \
tsgetgrpw.c utimes.c vasgroups.c visudo.c zero_bytes.c redblack.c \
selinux.c sesh.c sudoreplay.c getdate.c getdate.y getline.c \
timestr.c $(AUTH_SRCS)
AUTH_SRCS = auth/afs.c auth/aix_auth.c auth/bsdauth.c auth/dce.c auth/fwtk.c \
auth/kerb4.c auth/kerb5.c auth/pam.c auth/passwd.c auth/rfc1938.c \
@ -132,7 +133,7 @@ COMMON_OBJS = alias.o alloc.o defaults.o error.o getline.o gram.o \
list.o match.o pwutil.o timestr.o toke.o redblack.o \
term.o zero_bytes.o @NONUNIX_GROUPS_IMPL@
SUDO_OBJS = $(AUTH_OBJS) @SUDO_OBJS@ audit.o check.o \
SUDO_OBJS = $(AUTH_OBJS) @SUDO_OBJS@ audit.o boottime.o check.o \
env.o getspwuid.o gettime.o goodpath.o fileops.o find_path.o \
interfaces.o lbuf.o logging.o parse.o set_perms.o sudo.o \
sudo_edit.o sudo_nss.o tgetpass.o
@ -250,6 +251,8 @@ alloc.o: $(srcdir)/alloc.c $(SUDODEP)
$(CC) -c $(CPPFLAGS) $(CFLAGS) $(DEFS) $(OPTIONS) $(srcdir)/alloc.c
audit.o: $(srcdir)/audit.c $(SUDODEP)
$(CC) -c $(CPPFLAGS) $(CFLAGS) $(DEFS) $(OPTIONS) $(srcdir)/audit.c
boottime.o: $(srcdir)/boottime.c config.h
$(CC) -c $(CPPFLAGS) $(CFLAGS) $(DEFS) $(OPTIONS) $(srcdir)/boottime.c
bsm_audit.o: $(srcdir)/bsm_audit.c $(SUDODEP) bsm_audit.h
$(CC) -c $(CPPFLAGS) $(CFLAGS) $(DEFS) $(OPTIONS) $(srcdir)/bsm_audit.c
check.o: $(srcdir)/check.c $(SUDODEP)

135
boottime.c Normal file
View File

@ -0,0 +1,135 @@
/*
* Copyright (c) 2009 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.
*/
#include <config.h>
#include <sys/param.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>
#else
# ifdef HAVE_STRINGS_H
# include <strings.h>
# endif
#endif /* HAVE_STRING_H */
#include <limits.h>
#ifdef HAVE_SYSCTL
# include <sys/sysctl.h>
#endif
#include "compat.h"
#include "missing.h"
#if defined(__linux__)
time_t
get_boottime()
{
time_t boottime = 0;
char *line = NULL;
size_t linesize = 0;
ssize_t len;
FILE * fp;
/* read btime from /proc/stat */
fp = fopen("/proc/stat", "r");
if (fp != NULL) {
while ((len = getline(&line, &linesize, fp)) != -1) {
if (strncmp(line, "btime ", 6) == 0) {
boottime = atoi(line + 6);
break;
}
}
fclose(fp);
free(line);
}
return(boottime);
}
#elif defined(HAVE_SYSCTL) && defined(KERN_BOOTTIME)
time_t
get_boottime()
{
struct timeval tv;
time_t boottime = 0;
size_t size;
int mib[2];
mib[0] = CTL_KERN;
mib[1] = KERN_BOOTTIME;
size = sizeof(tv);
if (sysctl(mib, 2, &tv, &size, NULL, 0) != -1)
boottime = tv.tv_sec;
return(boottime);
}
#elif defined(HAVE_GETUTXID)
#include <utmpx.h>
time_t
get_boottime()
{
time_t boottime = 0;
struct utmpx *ut, key;
zero_bytes(&key, sizeof(key));
key.ut_type = BOOT_TIME;
if ((ut = getutxid(&key)) != NULL) {
boottime = ut->ut_tv.tv_sec;
endutxent();
}
return(boottime);
}
#elif defined(HAVE_GETUTID)
#include <utmp.h>
time_t
get_boottime()
{
time_t boottime = 0;
struct utmp *ut, key;
zero_bytes(&key, sizeof(key));
key.ut_type = BOOT_TIME;
if ((ut = getutid(&key)) != NULL) {
boottime = ut->ut_time;
endutent();
}
return(boottime);
}
#else
time_t
get_boottime()
{
return(0);
}
#endif

8
check.c
View File

@ -410,7 +410,7 @@ timestamp_status(timestampdir, timestampfile, user, flags)
int flags;
{
struct stat sb;
time_t now;
time_t boottime, now;
char *dirparent = def_timestampdir;
int status = TS_ERROR; /* assume the worst */
@ -552,6 +552,7 @@ timestamp_status(timestampdir, timestampfile, user, flags)
else {
/* XXX - should use timespec here */
now = time(NULL);
boottime = get_boottime();
if (def_timestamp_timeout &&
now - sb.st_mtime < 60 * def_timestamp_timeout) {
/*
@ -567,8 +568,11 @@ timestamp_status(timestampdir, timestampfile, user, flags)
else
(void) rmdir(timestampdir);
status = TS_MISSING;
} else
} else if (sb.st_mtime < boottime) {
status = TS_OLD;
} else {
status = TS_CURRENT;
}
}
}
}

9
config.h.in
View File

@ -184,6 +184,12 @@
/* Define to 1 if you have the `getuserattr' function. */
#undef HAVE_GETUSERATTR
/* Define to 1 if you have the `getutid' function. */
#undef HAVE_GETUTID
/* Define to 1 if you have the `getutxid' function. */
#undef HAVE_GETUTXID
/* Define to 1 if you have the `glob' function. */
#undef HAVE_GLOB
@ -471,6 +477,9 @@
/* Define to 1 if you have the `sysconf' function. */
#undef HAVE_SYSCONF
/* Define to 1 if you have the `sysctl' function. */
#undef HAVE_SYSCTL
/* Define to 1 if you have the <sys/bsdtypes.h> header file. */
#undef HAVE_SYS_BSDTYPES_H

115
configure vendored
View File

@ -1,6 +1,6 @@
#! /bin/sh
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.61 for sudo 1.7.3.
# Generated by GNU Autoconf 2.61 for sudo 1.7.3b1.
#
# Report bugs to <http://www.sudo.ws/bugs/>.
#
@ -724,8 +724,8 @@ SHELL=${CONFIG_SHELL-/bin/sh}
# Identity of this package.
PACKAGE_NAME='sudo'
PACKAGE_TARNAME='sudo'
PACKAGE_VERSION='1.7.3'
PACKAGE_STRING='sudo 1.7.3'
PACKAGE_VERSION='1.7.3b1'
PACKAGE_STRING='sudo 1.7.3b1'
PACKAGE_BUGREPORT='http://www.sudo.ws/bugs/'
# Factoring default headers for most tests.
@ -1418,7 +1418,7 @@ if test "$ac_init_help" = "long"; then
# Omit some internal or obsolete options to make the list less imposing.
# This message is too long to be a string in the A/UX 3.1 sh.
cat <<_ACEOF
\`configure' configures sudo 1.7.3 to adapt to many kinds of systems.
\`configure' configures sudo 1.7.3b1 to adapt to many kinds of systems.
Usage: $0 [OPTION]... [VAR=VALUE]...
@ -1483,7 +1483,7 @@ fi
if test -n "$ac_init_help"; then
case $ac_init_help in
short | recursive ) echo "Configuration of sudo 1.7.3:";;
short | recursive ) echo "Configuration of sudo 1.7.3b1:";;
esac
cat <<\_ACEOF
@ -1688,7 +1688,7 @@ fi
test -n "$ac_init_help" && exit $ac_status
if $ac_init_version; then
cat <<\_ACEOF
sudo configure 1.7.3
sudo configure 1.7.3b1
generated by GNU Autoconf 2.61
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
@ -1702,7 +1702,7 @@ cat >config.log <<_ACEOF
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
It was created by sudo $as_me 1.7.3, which was
It was created by sudo $as_me 1.7.3b1, which was
generated by GNU Autoconf 2.61. Invocation command line was
$ $0 $@
@ -16332,6 +16332,103 @@ done
for ac_func in sysctl getutid getutxid
do
as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
{ echo "$as_me:$LINENO: checking for $ac_func" >&5
echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6; }
if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
For example, HP-UX 11i <limits.h> declares gettimeofday. */
#define $ac_func innocuous_$ac_func
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func (); below.
Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
<limits.h> exists even on freestanding compilers. */
#ifdef __STDC__
# include <limits.h>
#else
# include <assert.h>
#endif
#undef $ac_func
/* Override any GCC internal prototype to avoid an error.
Use char because int might match the return type of a GCC
builtin and then its argument prototype would still apply. */
#ifdef __cplusplus
extern "C"
#endif
char $ac_func ();
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
something starting with __ and the normal name is an alias. */
#if defined __stub_$ac_func || defined __stub___$ac_func
choke me
#endif
int
main ()
{
return $ac_func ();
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (ac_try="$ac_link"
case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
(eval "$ac_link") 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } && {
test -z "$ac_c_werror_flag" ||
test ! -s conftest.err
} && test -s conftest$ac_exeext &&
$as_test_x conftest$ac_exeext; then
eval "$as_ac_var=yes"
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
eval "$as_ac_var=no"
fi
rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
conftest$ac_exeext conftest.$ac_ext
fi
ac_res=`eval echo '${'$as_ac_var'}'`
{ echo "$as_me:$LINENO: result: $ac_res" >&5
echo "${ECHO_T}$ac_res" >&6; }
if test `eval echo '${'$as_ac_var'}'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
break
fi
done
for ac_func in openpty
do
as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
@ -26480,7 +26577,7 @@ exec 6>&1
# report actual input values of CONFIG_FILES etc. instead of their
# values after options handling.
ac_log="
This file was extended by sudo $as_me 1.7.3, which was
This file was extended by sudo $as_me 1.7.3b1, which was
generated by GNU Autoconf 2.61. Invocation command line was
CONFIG_FILES = $CONFIG_FILES
@ -26529,7 +26626,7 @@ Report bugs to <bug-autoconf@gnu.org>."
_ACEOF
cat >>$CONFIG_STATUS <<_ACEOF
ac_cs_version="\\
sudo config.status 1.7.3
sudo config.status 1.7.3b1
configured by $0, generated by GNU Autoconf 2.61,
with options \\"`echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"

4
configure.in
View File

@ -4,7 +4,7 @@ dnl $Sudo$
dnl
dnl Copyright (c) 1994-1996,1998-2009 Todd C. Miller <Todd.Miller@courtesan.com>
dnl
AC_INIT([sudo], [1.7.3], [http://www.sudo.ws/bugs/], [sudo])
AC_INIT([sudo], [1.7.3b1], [http://www.sudo.ws/bugs/], [sudo])
AC_CONFIG_HEADER(config.h pathnames.h)
dnl
dnl This won't work before AC_INIT
@ -1854,6 +1854,8 @@ AC_CHECK_FUNCS(getline, [], [
AC_CHECK_FUNCS(fgetln)
])
AC_CHECK_FUNCS(sysctl getutid getutxid, [break])
AC_CHECK_FUNCS(openpty, [AC_CHECK_HEADERS(util.h pty.h, [break])], [
AC_CHECK_LIB(util, openpty, [
AC_CHECK_HEADERS(util.h pty.h, [break])

1
sudo.h
View File

@ -278,6 +278,7 @@ int term_noecho __P((int));
int term_raw __P((int, int, int));
int term_restore __P((int, int));
char *get_timestr __P((time_t, int));
time_t get_boottime __P((void));
YY_DECL;
/* Only provide extern declarations outside of sudo.c. */