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e0ee807b3d
freebsd/lib/libc/gen
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Bill Paul e0ee807b3d Fix for a potential problem reported by a user I bumped into on IRC 
last night:

_gr_breakout_yp() doesn't check for badly formatted NIS group entries.
For example, a bogus entry like this:

bootp::user1,user2,user3

will lead to a null pointer dereference and a SEGV (note that the GID
field is missing -- this results in one of the strsep(&result, ":")
returning NULL). The symtpom of this problem is programs dumping
core left and right the moment you add a + entry to /etc/group.
Note that while this is similar to an earlier bug, it's caused by a
different set of circumstances.

The fix is to check for the NULL pointers and have _gr_breakout_yp()
punt and return a failure code if it catches one. This is more or
less the behavior of SunOS: if a bad NIS group entry is encountered,
it's silently ignored. I don't think our standard (non-NIS) group
parsing code behaves the same way. It doesn't crash though, so I'm
citing the 'it ain't broken, don't fix it' rule and leaving it alone.

I'll probably have to add similar checks to _pw_breakout_yp() in
getpwent.c to ward off the same problems. It's rare that bad NIS
map entries like this occur, but we should handle them gracefully
when they do.
1995-06-26 14:59:46 +00:00
..
__xuname.c Remove trailing whitespace. 1995-05-30 05:51:47 +00:00
_rand48.c Added *ran48 functions, and put them in the correct place this time. 1994-09-23 00:37:55 +00:00
alarm.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
alarm.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
assert.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
clock.3 Change CLK_TCK to CLOCKS_PER_SEC. 1995-02-03 22:09:56 +00:00
clock.c Change CLK_TCK to CLOCKS_PER_SEC. (CLK_TCK is a deprecated POSIX feature 1995-02-03 21:59:45 +00:00
closedir.c Don't cast void functions to void. 1995-06-20 18:31:16 +00:00
config_open.3 Added routines to read the canonical UNIX configuration file. This will 1994-11-13 20:47:44 +00:00
config.c Remove trailing whitespace. 1995-05-30 05:51:47 +00:00
confstr.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
confstr.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
crypt.3 document libcrypt and libcipher. 1994-09-08 19:46:57 +00:00
crypt.c Remove trailing whitespace. 1995-05-30 05:51:47 +00:00
ctermid.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
ctermid.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
ctime.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
ctime.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
daemon.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
daemon.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
devname.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
devname.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
difftime.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
directory.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
disklabel.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
drand48.c Added *ran48 functions, and put them in the correct place this time. 1994-09-23 00:37:55 +00:00
erand48.c Added *ran48 functions, and put them in the correct place this time. 1994-09-23 00:37:55 +00:00
err.3 Add err_set_file() and err_set_exit() functions to make it possible for 1995-04-13 18:04:11 +00:00
err.c Add err_set_file() and err_set_exit() functions to make it possible for 1995-04-13 18:04:11 +00:00
errlst.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
exec.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
exec.c Fix execl[e]. Multiple execle's failed because of bogus caching of the 1994-12-12 01:15:01 +00:00
fnmatch.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
fnmatch.c Remove trailing whitespace. 1995-05-30 05:51:47 +00:00
frexp.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
fstab.c Change strtok() to strsep(), using strtok() can cause memory corruption 1995-03-24 16:33:44 +00:00
ftok.3 Added function and man page for ftok(3), used in conjunction with 1995-05-01 08:53:21 +00:00
ftok.c Added function and man page for ftok(3), used in conjunction with 1995-05-01 08:53:21 +00:00
fts-compat.c Remove trailing whitespace. 1995-05-30 05:51:47 +00:00
fts-compat.h BSD 4.4 Lite Include Sources 1994-05-24 09:57:34 +00:00
fts.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
fts.c Remove trailing whitespace. 1995-05-30 05:51:47 +00:00
getbootfile.3 Added getbootfile(3), for an easy C interface to the kern.bootfile MIB 1994-09-23 20:22:01 +00:00
getbootfile.c If sysctl() fails, return "/kernel" so as not to screw people who haven't 1994-09-24 00:10:13 +00:00
getbsize.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
getbsize.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
getcap.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
getcap.c Remove trailing whitespace. 1995-05-30 05:51:47 +00:00
getcwd.3 stdio.h --> unistd.h 1995-03-09 17:45:23 +00:00
getcwd.c Don't cast void functions to void. 1995-06-20 18:31:16 +00:00
getdiskbyname.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
getdomainname.3 Add missing getdomainname manual page. 1994-12-18 14:06:39 +00:00
getdomainname.c Added YP domain name getting/setting support, for SunOS/old program 1994-08-08 00:40:24 +00:00
getfsent.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
getgrent.3 Document YP support. 1994-09-20 22:02:20 +00:00
getgrent.c Fix for a potential problem reported by a user I bumped into on IRC 1995-06-26 14:59:46 +00:00
getgrouplist.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
getgrouplist.c Bruce pointed out, that a misleading warning would be issued 1995-02-17 19:45:21 +00:00
gethostname.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
gethostname.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
getloadavg.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
getloadavg.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
getlogin.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
getmntinfo.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
getmntinfo.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
getnetgrent.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
getnetgrent.c Fixes for PR #508 and #509 ('botched 'Bad netgroup' error message' and 1995-06-23 14:47:54 +00:00
getosreldate.c Oops, forgot to cvs add this file. 1994-08-10 06:27:35 +00:00
getpagesize.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
getpagesize.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
getpass.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
getpass.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
getpwent.3 Document YP support. 1994-09-20 22:02:20 +00:00
getpwent.c Make _havemaster() use yp_first() (again) instead of yp_order() to 1995-06-17 04:00:02 +00:00
getttyent.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
getttyent.c Don't cast void functions to void. 1995-06-20 18:31:16 +00:00
getusershell.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
getusershell.c Remove trailing whitespace. 1995-05-30 05:51:47 +00:00
getvfsent.3 Document getvfsent() and kin. 1994-09-25 01:38:30 +00:00
getvfsent.c Remove trailing whitespace. 1995-05-30 05:51:47 +00:00
glob.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
glob.c Remove trailing whitespace. 1995-05-30 05:51:47 +00:00
initgroups.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
initgroups.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
isatty.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
isinf.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
jrand48.c Added *ran48 functions, and put them in the correct place this time. 1994-09-23 00:37:55 +00:00
lcong48.c Added *ran48 functions, and put them in the correct place this time. 1994-09-23 00:37:55 +00:00
ldexp.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
lrand48.c Added *ran48 functions, and put them in the correct place this time. 1994-09-23 00:37:55 +00:00
Makefile.inc Remove trailing whitespace. 1995-05-30 05:51:47 +00:00
modf.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
mrand48.c Added *ran48 functions, and put them in the correct place this time. 1994-09-23 00:37:55 +00:00
msgctl.c Added SYSV ipc system calls. 1994-09-13 14:52:45 +00:00
msgget.c Added SYSV ipc system calls. 1994-09-13 14:52:45 +00:00
msgrcv.c Added SYSV ipc system calls. 1994-09-13 14:52:45 +00:00
msgsnd.c Added SYSV ipc system calls. 1994-09-13 14:52:45 +00:00
nice.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
nice.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
nlist.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
nlist.c Remove trailing whitespace. 1995-05-30 05:51:47 +00:00
nrand48.c Added *ran48 functions, and put them in the correct place this time. 1994-09-23 00:37:55 +00:00
ntp_gettime.c Function in this module bloodly called 'gethostname' and linked 1994-09-19 22:04:28 +00:00
opendir.c Fix bugs in opendir(): 1995-04-21 15:23:27 +00:00
pause.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
pause.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
popen.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
popen.c Don't cast void functions to void. 1995-06-20 18:31:16 +00:00
psignal.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
psignal.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
pw_scan.c Remove trailing whitespace. 1995-05-30 03:57:47 +00:00
pw_scan.h BSD 4.4 Lite usr.sbin Sources 1994-05-26 05:23:31 +00:00
pwcache.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
pwcache.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
raise.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
raise.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
rand48.3 Fix the bug reported by Torbjorn Granlund <tege@cygnus.com>: 1994-12-25 15:33:39 +00:00
rand48.h Added *ran48 functions, and put them in the correct place this time. 1994-09-23 00:37:55 +00:00
readdir.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
rewinddir.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
scandir.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
scandir.c Remove trailing whitespace. 1995-05-30 05:51:47 +00:00
seed48.c Added *ran48 functions, and put them in the correct place this time. 1994-09-23 00:37:55 +00:00
seekdir.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
semconfig.c Added SYSV ipc system calls. 1994-09-13 14:52:45 +00:00
semctl.c Added SYSV ipc system calls. 1994-09-13 14:52:45 +00:00
semget.c Added SYSV ipc system calls. 1994-09-13 14:52:45 +00:00
semop.c Added SYSV ipc system calls. 1994-09-13 14:52:45 +00:00
setdomainname.c Added YP domain name getting/setting support, for SunOS/old program 1994-08-08 00:40:24 +00:00
setflags.c Added $Id$ 1994-09-24 02:59:15 +00:00
setflagsbyname.c Added $Id$ 1994-09-24 02:59:15 +00:00
sethostname.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
setjmp.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
setjmperr.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
setmode.3 Add missing header reference 1995-04-09 04:59:40 +00:00
setmode.c Remove trailing whitespace. 1995-05-30 05:51:47 +00:00
shmat.c Added SYSV ipc system calls. 1994-09-13 14:52:45 +00:00
shmctl.c Added SYSV ipc system calls. 1994-09-13 14:52:45 +00:00
shmdt.c Added SYSV ipc system calls. 1994-09-13 14:52:45 +00:00
shmget.c Added SYSV ipc system calls. 1994-09-13 14:52:45 +00:00
siginterrupt.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
siginterrupt.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
siglist.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
signal.3 Explain the full story, and make it understandable too. 1995-02-25 04:43:20 +00:00
signal.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
sigsetjmp.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
sigsetops.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
sigsetops.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
sleep.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
sleep.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
srand48.c Added *ran48 functions, and put them in the correct place this time. 1994-09-23 00:37:55 +00:00
strtofflags.c Added $Id$ 1994-09-24 02:59:15 +00:00
sysconf.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
sysconf.c Remove trailing whitespace. 1995-05-30 05:51:47 +00:00
sysctl.3 Remove CPU_COLORDISP, GIO_COLOR now exists 1994-10-18 03:42:18 +00:00
sysctl.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
syslog.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
syslog.c Fix bracket error for LogMask 1995-05-02 17:46:30 +00:00
tcgetpgrp.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
tcsendbreak.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
tcsetattr.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
tcsetpgrp.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
telldir.c Remove trailing whitespace. 1995-05-30 05:51:47 +00:00
termios.c Clear IGNPAR in cfmakeraw() instead of set it. 1995-03-29 19:28:35 +00:00
time.3 Add missing #include <time.h> with time() prototype 1995-02-24 01:02:59 +00:00
time.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
times.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
times.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
timezone.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
timezone.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
ttyname.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
ttyname.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
ttyslot.c Remove trailing whitespace. 1995-05-30 05:51:47 +00:00
tzset.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
ualarm.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
ualarm.c Remove trailing whitespace. 1995-05-30 05:51:47 +00:00
uname.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
uname.c Remove trailing whitespace. 1995-05-30 05:51:47 +00:00
unvis.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
unvis.c Remove trailing whitespace. 1995-05-30 05:51:47 +00:00
usleep.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
usleep.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
utime.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
utime.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
valloc.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
valloc.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
vis.3 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
vis.c Remove trailing whitespace. 1995-05-30 05:51:47 +00:00
wait3.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
wait.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00
waitpid.c BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00