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Vinícius dos Santos Oliveira 05e2adf509 Validate fds created by the user 
write_mapping() will do the following:

openat(proc_dir_fd, map_file, O_WRONLY);

An attacker could create a directory containing a symlink named
"uid_map" pointing to any file owned by root, and thus allow him to
overwrite any root-owned file.
2023-02-24 16:20:57 -06:00
..
.indent.pro
…
alloc.h
libmisc: Add safer allocation macros
2023-02-23 20:28:43 -06:00
bit.h
lib: bit_ceil_wrapul(): stop recursion
2023-02-24 12:44:14 -06:00
commonio.c
Use safer allocation macros
2023-02-23 20:28:43 -06:00
commonio.h
changing lock mechanism
2022-12-29 13:58:49 -06:00
defines.h
lib/defines.h: Add NORETURN attribute macro
2023-02-08 22:01:01 -06:00
encrypt.c
Merge pull request #451 from hallyn/2021-12-05/license
2022-01-02 18:38:42 -06:00
exitcodes.h
Update licensing info
2021-12-23 19:36:50 -06:00
faillog.h
Update licensing info
2021-12-23 19:36:50 -06:00
fields.c
Remove superfluous casts
2023-02-09 10:03:03 -06:00
fputsx.c
Update licensing info
2021-12-23 19:36:50 -06:00
get_gid.c
Remove superfluous casts
2023-02-09 10:03:03 -06:00
get_pid.c
Validate fds created by the user
2023-02-24 16:20:57 -06:00
get_uid.c
Remove superfluous casts
2023-02-09 10:03:03 -06:00
getdef.c
Use safer allocation macros
2023-02-23 20:28:43 -06:00
getdef.h
Update licensing info
2021-12-23 19:36:50 -06:00
getlong.c
Update licensing info
2021-12-23 19:36:50 -06:00
getulong.c
Update licensing info
2021-12-23 19:36:50 -06:00
groupio.c
Use safer allocation macros
2023-02-23 20:28:43 -06:00
groupio.h
Update licensing info
2021-12-23 19:36:50 -06:00
groupmem.c
Use safer allocation macros
2023-02-23 20:28:43 -06:00
gshadow_.h
Update licensing info
2021-12-23 19:36:50 -06:00
gshadow.c
Use safer allocation macros
2023-02-23 20:28:43 -06:00
lockpw.c
Don't redefine errno(3)
2022-12-22 11:43:29 +01:00
Makefile.am
Assume getutent(3) exists (remove dead code)
2023-02-08 17:21:34 +01:00
mempcpy.h
Add mempcpy(3)
2023-02-16 11:29:33 +01:00
nscd.c
Don't redefine errno(3)
2022-12-22 11:43:29 +01:00
nscd.h
* configure.in, lib/nscd.h, lib/nscd.c: Added --with-nscd flag to
2008-08-30 18:30:36 +00:00
nss.c
Use safer allocation macros
2023-02-23 20:28:43 -06:00
pam_defs.h
Declare constant data structure const
2023-01-25 12:31:17 +01:00
port.c
Remove superfluous casts
2023-02-09 10:03:03 -06:00
port.h
Update licensing info
2021-12-23 19:36:50 -06:00
prototypes.h
newuidmap and newgidmap: support passing pid as fd
2023-02-24 12:35:49 -06:00
pwauth.c
Don't redefine errno(3)
2022-12-22 11:43:29 +01:00
pwauth.h
Add header guards
2022-05-24 07:49:11 -05:00
pwio.c
Remove superfluous casts
2023-02-09 10:03:03 -06:00
pwio.h
Update licensing info
2021-12-23 19:36:50 -06:00
pwmem.c
Use safer allocation macros
2023-02-23 20:28:43 -06:00
run_part.c
Use safer allocation macros
2023-02-23 20:28:43 -06:00
run_part.h
Add header guards
2022-05-24 07:49:11 -05:00
selinux.c
Don't redefine errno(3)
2022-12-22 11:43:29 +01:00
semanage.c
Don't redefine errno(3)
2022-12-22 11:43:29 +01:00
sgetgrent.c
Use safer allocation macros
2023-02-23 20:28:43 -06:00
sgetpwent.c
Raise limit for passwd and shadow entry length
2022-10-14 10:41:40 +02:00
sgetspent.c
Don't redefine errno(3)
2022-12-22 11:43:29 +01:00
sgroupio.c
Use safer allocation macros
2023-02-23 20:28:43 -06:00
sgroupio.h
Update licensing info
2021-12-23 19:36:50 -06:00
shadow.c
Remove superfluous casts
2023-02-09 10:03:03 -06:00
shadowio.c
Remove superfluous casts
2023-02-09 10:03:03 -06:00
shadowio.h
Update licensing info
2021-12-23 19:36:50 -06:00
shadowlog_internal.h
Fix typos
2023-01-26 22:44:39 -06:00
shadowlog.c
lib: provide default values for shadow_progname/shadow_logfd
2021-12-27 16:28:23 +00:00
shadowlog.h
Drop obsolete prototype for log_dolog()
2022-08-06 11:27:56 -05:00
shadowmem.c
Use safer allocation macros
2023-02-23 20:28:43 -06:00
spawn.c
Merge pull request #451 from hallyn/2021-12-05/license
2022-01-02 18:38:42 -06:00
sssd.c
Use safer allocation macros
2023-02-23 20:28:43 -06:00
sssd.h
Flush sssd caches in addition to nscd caches
2018-09-13 14:20:02 +02:00
stpecpy.h
Add stpecpy()
2023-02-16 11:29:33 +01:00
stpeprintf.h
Add stpeprintf()
2023-02-16 11:29:33 +01:00
subordinateio.c
Use safer allocation macros
2023-02-23 20:28:43 -06:00
subordinateio.h
fix newusers when nss provides subids
2021-05-23 08:16:16 -05:00
tcbfuncs.c
Remove superfluous casts
2023-02-09 10:03:03 -06:00
tcbfuncs.h
* lib/tcbfuncs.h: Re-indent.
2010-03-18 19:23:00 +00:00