Commit Graph

34 Commits

Author SHA1 Message Date
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
wanggang26
9d67c7b6ac binfmt/elf: both regular file and non-regular file (such as /dev/node) should be accessible
Signed-off-by: wanggang26 <wanggang26@xiaomi.com>
2023-07-28 07:52:37 -07:00
Xiang Xiao
1b2f37259a binfmt/elf: Replace nx_stat with file_stat
since kernel code prefer to use file_ API

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2023-07-06 09:20:24 -03:00
Xiang Xiao
7990f90915 Indent the define statement by two spaces
follow the code style convention

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2023-05-21 09:52:08 -03:00
Xiang Xiao
841a4922aa binfmt: Replace all nx_ API with file_ API
since binfmt is a kernel component

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2021-07-06 11:18:13 +09:00
Alexander Lunev
4018cc186c libelf: fix "nsh: nsh_session: readline failed: 13" error
Resolves issue #3751
2021-05-21 02:12:31 -07:00
Xiang Xiao
85c1354043 binfmt/elf: Don't close filfd in the fail path
to avoid close the same handle twice because
the caller also call elf_uninit in this case

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: Iddcbae9587d11d3b5b06e876d4a037ac0d11992e
2021-05-12 21:09:29 -07:00
Alin Jerpelea
f9fb182809 Author: Gregory Nutt: update licenses to Apache
Update files from Gregory Nutt to Apache 2.0 license.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2021-02-05 12:15:56 -03:00
Xiang Xiao
0536953ded Kernel module should prefer functions with nx/kmm prefix
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2021-01-13 08:57:58 +01:00
YAMAMOTO Takashi
8ad9d1e0b4 libelf: Appease nxstyle complaints
Also, fix a minor typo.
2020-03-26 02:51:34 -05:00
Xiang Xiao
bd4e8e19d3 Run codespell -w against all files
and fix the wrong correction
2020-02-22 14:45:07 -06:00
Masayuki Ishikawa
81f1133174 ELF64 support (#220)
* include: Introduce elf64.h and elf.h

    Added elf64.h for 64bit ELF support and moved common definitions
    from elf32.h to elf.h. Also introduced Elf_xxx to be used in
    common libraries such as binfmt.

  * binfmt, include, modlib, module: Add support for ELF64

    Elf_xxx must be used instead of Elf32_xxx to support ELF64.
    To use ELF64, CONFIG_ELF_64BIT must be enabled.

  * binfmt, modlib: Add support for relocate address

  * arch: risc-v: Add include/elf.h

  * libs: machine: Add risc-v related files.

    NOTE: Currently only supports ELF64

  * boards: maix-bit: Add elf and posix_spawn configurations

  * boards: maix-bit: Add support for module configuration
2020-02-07 17:10:23 -06:00
Xiang Xiao
68951e8d72 Remove exra whitespace from files (#189)
* Remove multiple newlines at the end of files
* Remove the whitespace from the end of lines
2020-01-31 09:24:49 -06:00
Gregory Nutt
9d5d60fee1 Run all .c and .h files in last PR49 through nxstyle. 2020-01-07 09:54:35 -06:00
Alin Jerpelea
a8d63c0cec various fixes (#49)
* libs: libc: math: Fix tanh() math functions
* drivers: mtd: smart: Fix trivial debug message in smartfs
* binfmt: libelf: Fix fd not closed on error
* binfmt: Fix stack memory leak on error
* fs: romfs: Fix private data not free on error
* sched: group: Fix reference after free memory
* sched: clock: Fix clock sync

Fix clock sync when CONFIG_RTC_HIRES is enabled
2020-01-07 09:06:02 -06:00
Xiang Xiao
095e28d45e binfmt/, binfmt/libelf/, include/nuttx, libs/libc/machine, libs/libc/modlib, and others: Move elf related arch function to include/nuttx/elf.h because the implementation is located in libs/libc/machine and in order to avoid the conflict with the 3rd party libraries and clean up the file inclusion: (1) Remove redundant elf32.h, (2) Remove nuttx/binfmt/elf.h in libs/libc/machine, (2) Remove nuttx/binfmt/elf.h in modlib, and (4) Rmove nuttx/module.h in modlib. 2019-01-26 11:18:45 -06:00
Gregory Nutt
a7fd58c4db Squashed commit of the following:
many locations:  Change occurences of open() followed by file_detach() to file_open().  Change most non-controversion calls to open() to nx_open().

    fs/inode/fs_fileopen.c:  Flesh out file_open() with some interim, placeholder logic.

    fs/inode/fs_fileopen.c:  Add a framework for a file_open() implementation (no real logic in place yet).

    fs/vfs/fs_open.c:  Add nx_open() which is the same as open() except that it does not create a cancellation point nor does it modify the errno variable.
2018-09-15 10:49:41 -06:00
Gregory Nutt
3521aaf944 Squashed commit of the following:
binfmt/, configs/, grahics/, libc/, mm/, net/, sched/:  OS references to the errno variable should always use the set_errno(), get_errno() macros
    arch/arm/src/stm32 and stm32f7:  Architecture-specific code is not permitted to modify the errno variable.  drivers/ and libc/:  OS references to the errno variable should always use the set_errno(), get_errno() macros
2018-01-30 17:57:36 -06:00
Gregory Nutt
a1469a3e95 Add CONFIG_DEBUG_ERROR. Change names of *dbg() * *err() 2016-06-11 15:50:49 -06:00
Gregory Nutt
1cdc746726 Rename CONFIG_DEBUG to CONFIG_DEBUG_FEATURES 2016-06-11 14:14:08 -06:00
Gregory Nutt
fc3540cffe Replace all occurrences of vdbg with vinfo 2016-06-11 11:59:51 -06:00
Gregory Nutt
3a74a438d9 Rename CONFIG_DEBUG_VERBOSE to CONFIG_DEBUG_INFO 2016-06-11 11:50:18 -06:00
Gregory Nutt
45eebacbb4 binfmt/: More spacing/alignment fixes 2015-10-08 19:20:17 -06:00
Gregory Nutt
c704a5289c Comment out references to fstat(). It is not yet supported. 2015-06-02 11:43:44 -06:00
Gregory Nutt
48271cca05 Make some file section headers more consistent with standard 2015-04-08 08:29:03 -06:00
Gregory Nutt
f8024cf409 More trailing whilespace removal 2014-04-13 16:22:22 -06:00
patacongo
2fc26f191d The ELF loader is basically functional (needs more testing)
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5265 42af7a65-404d-4744-a932-0658087f49c3
2012-10-27 00:04:47 +00:00
patacongo
49ed90be32 ARM and ARMv7-M ELF support; STM32F4Discovery ELF loader test configuration
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5264 42af7a65-404d-4744-a932-0658087f49c3
2012-10-26 19:53:20 +00:00
patacongo
14dae62821 Rename elf.h to elf32.h; Additional ELF loader changes
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5263 42af7a65-404d-4744-a932-0658087f49c3
2012-10-26 02:42:39 +00:00
patacongo
8b6ea4c174 A little more ELF loader logic
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5257 42af7a65-404d-4744-a932-0658087f49c3
2012-10-25 16:18:20 +00:00
patacongo
bba464fd29 A little more ELF loader logic
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5256 42af7a65-404d-4744-a932-0658087f49c3
2012-10-25 03:13:11 +00:00
patacongo
00ad1f0f4a A little more ELF loader logic
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5253 42af7a65-404d-4744-a932-0658087f49c3
2012-10-24 23:40:31 +00:00
patacongo
b8f437ef4b Move binfmt.h, nxflat.h, elf.h, and symtab.h to include/nuttx/binfmt/
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5252 42af7a65-404d-4744-a932-0658087f49c3
2012-10-24 20:19:44 +00:00
patacongo
b49a2605d0 Add framework to support loadable ELF modules (not much logic in place yet)
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5250 42af7a65-404d-4744-a932-0658087f49c3
2012-10-24 16:46:12 +00:00