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Samanta Navarro 4ad359ccc6 subsystem: Prevent endless loop 
If a user has home directory "/" and login shell "*" then login and su
enter an endless loop by constantly switching to the next subsystem.

This could also be achieved with a layered approach so just checking
for "/" as home directory is not enough to protect against such a
misconfiguration.

Just break the loop if it progressed too far. I doubt that this has
negative impact on any real setup.

Signed-off-by: Samanta Navarro <ferivoz@riseup.net>
2023-05-25 08:25:42 -05:00
..
.indent.pro
…
addgrps.c
Use safer allocation macros
2023-02-23 20:28:43 -06:00
age.c
Remove superfluous casts
2023-02-09 10:03:03 -06:00
agetpass.c
Use safer allocation macros
2023-02-23 20:28:43 -06:00
alloc.c
libmisc: Add safer allocation functions
2023-02-23 20:28:43 -06:00
audit_help.c
Remove superfluous casts
2023-02-09 10:03:03 -06:00
basename.c
Fix null dereference in basename
2023-03-27 10:10:37 -05:00
bit.c
Add bit manipulation functions
2023-01-30 18:24:15 +01:00
btrfs.c
…
chkname.c
…
chkname.h
…
chowndir.c
…
chowntty.c
Remove superfluous casts
2023-02-09 10:03:03 -06:00
cleanup_group.c
Remove superfluous casts
2023-02-09 10:03:03 -06:00
cleanup_user.c
Fix typos
2023-02-16 13:23:08 -06:00
cleanup.c
…
console.c
Remove superfluous casts
2023-02-09 10:03:03 -06:00
copydir.c
Use safer allocation macros
2023-02-23 20:28:43 -06:00
csrand.c
Unoptimize the higher part of the domain of csrand_uniform()
2023-01-30 18:24:15 +01:00
date_to_str.c
Fix crash with large timestamps
2023-03-28 13:00:38 +02:00
entry.c
libmisc: Move xmalloc.c to alloc.c
2023-02-23 20:28:43 -06:00
env.c
Fix use-after-free of pointer after realloc(3)
2023-02-23 20:28:43 -06:00
failure.c
Remove superfluous casts
2023-02-09 10:03:03 -06:00
failure.h
…
find_new_gid.c
Use safer allocation macros
2023-02-23 20:28:43 -06:00
find_new_sub_gids.c
Don't redefine errno(3)
2022-12-22 11:43:29 +01:00
find_new_sub_uids.c
Don't redefine errno(3)
2022-12-22 11:43:29 +01:00
find_new_uid.c
Use safer allocation macros
2023-02-23 20:28:43 -06:00
getdate.h
…
getdate.y
…
getgr_nam_gid.c
Remove superfluous casts
2023-02-09 10:03:03 -06:00
getrange.c
…
gettime.c
Use strict prototype in definition
2023-03-20 08:47:52 +01:00
hushed.c
Remove superfluous casts
2023-02-09 10:03:03 -06:00
idmapping.c
Use safer allocation macros
2023-02-23 20:28:43 -06:00
idmapping.h
…
isexpired.c
Remove superfluous casts
2023-02-09 10:03:03 -06:00
limits.c
Remove superfluous casts
2023-02-09 10:03:03 -06:00
list.c
Use safer allocation macros
2023-02-23 20:28:43 -06:00
log.c
Remove superfluous casts
2023-02-09 10:03:03 -06:00
loginprompt.c
login_prompt: Simplify login_prompt API
2023-05-03 07:54:28 -05:00
mail.c
Use safer allocation macros
2023-02-23 20:28:43 -06:00
Makefile.am
libmisc: Move xmalloc.c to alloc.c
2023-02-23 20:28:43 -06:00
mempcpy.c
Add mempcpy(3)
2023-02-16 11:29:33 +01:00
motd.c
libmisc: Move xmalloc.c to alloc.c
2023-02-23 20:28:43 -06:00
myname.c
…
obscure.c
libmisc, man: Drop old check and advice for complex character sets in passwords
2023-04-27 09:16:08 +02:00
pam_pass_non_interactive.c
Use safer allocation macros
2023-02-23 20:28:43 -06:00
pam_pass.c
Don't redefine errno(3)
2022-12-22 11:43:29 +01:00
prefix_flag.c
process_prefix_flag: Drop privileges
2023-05-18 15:36:59 +02:00
pwd2spwd.c
Remove superfluous casts
2023-02-09 10:03:03 -06:00
pwd_init.c
…
pwdcheck.c
Call NULL by its name
2023-02-02 13:08:30 -06:00
remove_tree.c
…
rlogin.c
…
root_flag.c
…
salt.c
Remove superfluous casts
2023-02-09 10:03:03 -06:00
setugid.c
…
setupenv.c
Remove some static char arrays
2023-05-11 11:05:29 -05:00
shell.c
Call NULL by its name
2023-02-02 13:08:30 -06:00
stpecpy.c
Add stpecpy()
2023-02-16 11:29:33 +01:00
stpeprintf.c
Add stpeprintf()
2023-02-16 11:29:33 +01:00
strtoday.c
strtoday.c: remove unused defines.h inclusion
2022-12-22 10:39:45 -06:00
sub.c
subsystem: Prevent endless loop
2023-05-25 08:25:42 -05:00
sulog.c
Call NULL by its name
2023-02-02 13:08:30 -06:00
ttytype.c
ttytype(): Fix race
2023-02-09 10:03:03 -06:00
tz.c
Remove superfluous casts
2023-02-09 10:03:03 -06:00
ulimit.c
…
user_busy.c
Fix typo
2023-02-16 13:23:08 -06:00
utmp.c
Simplify is_my_tty()
2023-03-28 13:00:38 +02:00
valid.c
…
xgetgrgid.c
Fix comments
2023-02-16 13:23:08 -06:00
xgetgrnam.c
Fix comments
2023-02-16 13:23:08 -06:00
xgetpwnam.c
libmisc: fix grammar
2023-01-26 22:44:39 -06:00
xgetpwuid.c
Fix comments
2023-02-16 13:23:08 -06:00
xgetspnam.c
Fix comments
2023-02-16 13:23:08 -06:00
xgetXXbyYY.c
Use safer allocation macros
2023-02-23 20:28:43 -06:00
yesno.c
libmisc/yesno.c: Fix regression
2023-04-28 11:22:48 -05:00