sergiotarxz/nuttx
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fangxinyong 2d73e86b47 binfmt: support euid of process set from the file system 
From posix spec, if set-user-ID bit is set in the file permissions,
then the effective user ID of the new process shall be set to the
user ID of the new process image file.
Let's ignore whether ST_NOSUID is set on the mounted file system.

https://pubs.opengroup.org/onlinepubs/007904875/functions/exec.html

test step:
hello example build as a module and call geteuid and getegid API.
then set file binary set-user-ID bit on the host.

$ chmod +s apps/bin/hello

nsh> mount -t hostfs -o fs=. /data
nsh> ls -l /data/apps/bin/hello
 -rwsrwsr-x    1000    1000    9264 /data/apps/bin/hello
nsh> /data/apps/bin/hello
geteuid:1000
getegid:1000

Signed-off-by: fangxinyong <fangxinyong@xiaomi.com>
2023-08-12 02:18:25 +08:00
..
android
libc/misc: add fdsan module
2023-05-17 10:24:42 +08:00
arpa
Net thread-safe ntoa functions
2022-08-02 21:04:19 +08:00
crypto
crypto: export SHA224/SHA384 via /dev/crypto
2023-08-10 13:36:19 +08:00
cxx
libc: Implement quick_exit and at_quick_exit
2023-01-25 14:31:37 +02:00
net
net/if.h: add definitions associated with IF_OPER_
2023-07-08 10:59:37 -03:00
netinet
libc/net: compatible with Android for htonq/ntohq
2023-08-02 22:47:29 -07:00
netpacket
Fix nuttx coding style
2023-07-11 23:32:17 +08:00
nuttx
binfmt: support euid of process set from the file system
2023-08-12 02:18:25 +08:00
ssp
add ssp.h
2022-01-29 01:04:23 +08:00
sys
syscall: remove duplicate getegid/geteuid
2023-08-09 17:07:58 +08:00
.gitignore
libs/libc/gpsutils/minmea: move minmea library from apps/gpsutils
2023-08-01 23:09:46 -07:00
aio.h
fs: Undefine CONFIG_FS_LARGEFILE if compiler doesn't support long long
2023-03-02 09:37:58 +01:00
alloca.h
include: Author: Gregory Nutt: update licenses to Apache 2.0
2021-02-04 03:33:58 -08:00
assert.h
assert: add panic notifier data for notify more information
2023-08-03 03:17:22 -07:00
byteswap.h
byteswap.h: add byteswap.h header file
2021-08-20 07:47:07 -07:00
ctype.h
libc: Implement local_t related functions
2021-07-30 09:43:26 -03:00
debug.h
support nuttx reset driver model
2023-08-11 20:39:16 +08:00
dirent.h
fs: Undefine CONFIG_FS_LARGEFILE if compiler doesn't support long long
2023-03-02 09:37:58 +01:00
dlfcn.h
include: Author: Gregory Nutt: update licenses to Apache 2.0
2021-02-04 03:33:58 -08:00
dsp.h
libdsp: Add average filter
2023-06-12 08:39:38 +02:00
dspb16.h
libdsp: port lib_observer.c to b16
2022-02-20 21:58:10 +08:00
elf32.h
Fix and improve dynamic loader
2023-07-13 10:11:58 +08:00
elf64.h
Fix and improve dynamic loader
2023-07-13 10:11:58 +08:00
elf.h
Fix and improve dynamic loader
2023-07-13 10:11:58 +08:00
endian.h
libc: Add sys/endian.h to improve the compatiblity with bionic libc
2023-01-15 12:26:15 -03:00
err.h
include/err: Enforce c linkage for err and warn functions.
2023-05-01 12:48:55 +08:00
errno.h
Fix nuttx coding style
2023-07-11 23:32:17 +08:00
execinfo.h
sched_backtrace: define sched_dumpstack when not enable SCHED_BACKTRACE
2023-07-31 05:46:37 -07:00
fcntl.h
include/fcntl.h: add O_NOATIME flags
2023-07-28 20:56:22 -07:00
fixedmath.h
include: Author: Gregory Nutt: update licenses to Apache 2.0
2021-02-04 03:33:58 -08:00
fnmatch.h
libc: Rename match to fnmatch
2021-08-02 08:23:35 -03:00
ftw.h
fs: Undefine CONFIG_FS_LARGEFILE if compiler doesn't support long long
2023-03-02 09:37:58 +01:00
getopt.h
Implement getopt_long() and getopt_long_only()
2021-04-01 23:06:23 -05:00
glob.h
libc/misc: add lib_glob.
2021-09-25 07:54:39 -03:00
grp.h
libs/libc: License Clearance
2021-03-02 03:44:06 -08:00
hex2bin.h
libs/libc/hex2bin: enhance 64-bit compatibility
2023-08-11 19:43:37 +08:00
iconv.h
libc/locale: support iconv_open,iconv,iconv_close
2023-04-25 19:12:53 +01:00
ifaddrs.h
ifaddrs: add union ifa_ifu include ifu_broadaddr and ifu_dstaddr
2023-07-08 15:42:11 +08:00
inttypes.h
fs: Undefine CONFIG_FS_LARGEFILE if compiler doesn't support long long
2023-03-02 09:37:58 +01:00
iso646.h
include: Add iso646.h for alternative spellings
2021-03-04 18:32:12 -08:00
langinfo.h
libc: Add the empty nl_langinfo implementation
2021-07-31 15:35:47 -03:00
libgen.h
include: Author: Gregory Nutt: update licenses to Apache 2.0
2021-02-04 03:33:58 -08:00
libintl.h
compiler.h: Add _ between format|printf|syslog|scanf|strftime and like
2022-12-21 01:05:19 +02:00
limits.h
Indent the define statement by two spaces
2023-05-21 09:52:08 -03:00
locale.h
libc: Reorder LC_XXX as Linux
2021-07-31 15:35:47 -03:00
lzf.h
Indent the define statement by two spaces
2023-05-21 09:52:08 -03:00
malloc.h
mm: Rename PID_MM_INVALID to PID_MM_LEAK
2023-06-18 14:26:07 +03:00
mqueue.h
fs/mqueue: Fix the wrong field type in mq_attr as the spec and add the logical judgment to deal with the condition when mq_maxmsg or mq_msgsize is less than zero or equal to zero.
2023-08-03 03:10:56 -07:00
netdb.h
libc/netdb: add proto.c
2022-12-10 02:36:24 +08:00
nl_types.h
libc: Support message catalog function
2021-08-02 08:24:59 -03:00
nxflat.h
include: Author: Gregory Nutt: update licenses to Apache 2.0
2021-02-04 03:33:58 -08:00
obstack.h
compiler.h: Add _ between format|printf|syslog|scanf|strftime and like
2022-12-21 01:05:19 +02:00
poll.h
sched: Add include/sys/poll.h
2021-01-06 14:23:50 +08:00
pthread.h
libc/pthread: add pthread_attr_set/getscope
2023-07-28 20:55:22 -07:00
pty.h
drivers/serial: Always support c_oflag, c_iflag and c_lflag in termios
2023-03-19 14:54:59 -06:00
pwd.h
pwd: Add initial implementation of getpwent
2023-07-31 07:50:10 -07:00
regex.h
include/regex.h: add missing FAR
2023-05-19 02:40:38 +08:00
resolv.h
Add dn resolution function
2022-03-17 09:37:15 +02:00
sched.h
sched: Define sched_getcpu return 0 when CONFIG_SMP equals n
2023-08-06 11:28:49 +02:00
semaphore.h
semaphore: Optimize priority inheritance with only one holder
2023-06-17 08:26:46 +03:00
signal.h
sigaltstack: Add initial implementation of sigaltstack
2023-07-31 07:50:10 -07:00
spawn.h
sched/spawn: Rename task_spawnattr_[get|set]stack[size|addr] to posix_spawnattr_[get|set]stack[size|addr]
2022-11-01 09:51:18 +09:00
stdbool.h
libc: Remove C99_BOOL8 from libs/libxx/Kconfig
2022-05-05 16:23:32 -03:00
stddef.h
stddef: Let offset be defined from toolchain
2021-08-27 08:55:45 -07:00
stdint.h
Fix nuttx coding style
2023-07-11 23:32:17 +08:00
stdio.h
Support gcc FORTIFY_SOURCE features for nuttx libc
2023-06-22 20:38:45 +08:00
stdlib.h
libc/rand_r: support rand_r api
2023-07-29 07:28:23 -07:00
stdnoreturn.h
include: Author: Gregory Nutt: update licenses to Apache 2.0
2021-02-04 03:33:58 -08:00
string.h
Support gcc FORTIFY_SOURCE features for nuttx libc
2023-06-22 20:38:45 +08:00
strings.h
Support gcc FORTIFY_SOURCE features for nuttx libc
2023-06-22 20:38:45 +08:00
syscall.h
syscall: export UP_WRAPSYM/UP_REALSYM macro
2022-12-30 22:13:34 +08:00
syslog.h
syslog: add syslog option definition
2023-05-05 18:36:36 +08:00
termios.h
libc: Implement terminal api regardless of CONFIG_SERIAL_TERMIOS setting
2021-12-29 08:11:08 -03:00
threads.h
sched/getpid: replace syscall getpid/tid/ppid() to kernel version
2023-02-02 10:33:01 +08:00
time.h
change clockid_t type from uint8_t to int
2023-07-11 22:36:23 +08:00
unistd.h
libc/sysconf: add _SC_REALTIME_SIGNALS
2023-08-02 22:57:28 -07:00
utime.h
libc: Implement utime on top of utimes
2021-07-09 15:51:28 -03:00
uuid.h
libc: Add uuid implemenation
2020-07-21 21:48:18 -07:00
wchar.h
Support gcc FORTIFY_SOURCE features for nuttx libc
2023-06-22 20:38:45 +08:00
wctype.h
libc: Remove the unnecessary include from wchar and wctype
2022-07-27 10:55:37 +03:00