src/usr.bin/ldd/ldd.c, branch main FreeBSD source tree usr.bin: Automated cleanup of cdefs and other formatting 2023-11-27T05:24:01+00:00 Warner Losh imp@FreeBSD.org 2023-11-24T20:12:57+00:00 5e3934b15a2741b2de6b217e77dc9d798d740804 Apply the following automated changes to try to eliminate no-longer-needed sys/cdefs.h includes as well as now-empty blank lines in a row. Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/ Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/ Remove /\n+#if.*\n#endif.*\n+/ Remove /^#if.*\n#endif.*\n/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/ Sponsored by: Netflix 
Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/
Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/
Remove /\n+#if.*\n#endif.*\n+/
Remove /^#if.*\n#endif.*\n/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/

Sponsored by:		Netflix
Remove $FreeBSD$: one-line .c pattern 2023-08-16T17:54:42+00:00 Warner Losh imp@FreeBSD.org 2023-08-16T17:54:42+00:00 1d386b48a555f61cb7325543adbbb5c3f3407a66 Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/ 
Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/
ldd: Use __PATH_RTLD("32") over _COMPAT32_PATH_RTLD 2023-07-09T17:50:24+00:00 Jessica Clarke jrtc27@FreeBSD.org 2023-07-09T17:50:24+00:00 e17dd921a22e846b31d99c15344ad8d0171bc7d5 This will allow the latter to be removed, reducing the boilerplate needed for a new libcompat. Reviewed by: kib, brooks, jhb Differential Revision: https://reviews.freebsd.org/D40934 
This will allow the latter to be removed, reducing the boilerplate
needed for a new libcompat.

Reviewed by:	kib, brooks, jhb
Differential Revision:	https://reviews.freebsd.org/D40934
ldd: clarify format options 2023-03-21T14:14:03+00:00 Ed Maste emaste@FreeBSD.org 2023-03-21T14:14:03+00:00 e9f8723c30fc390f1282f5286d57c090ed9e5925 -f may be specified zero, one, or two times. Make this clear in the usage. Reviewed by: markj, kib Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D34733 
-f may be specified zero, one, or two times.  Make this clear in the
usage.

Reviewed by:	markj, kib
Sponsored by:	The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D34733
ldd: ignore unverified files 2022-10-07T00:51:28+00:00 Simon J. Gerraty sjg@FreeBSD.org 2022-10-07T00:51:28+00:00 f48114b653a2a3d8f817ad68186235595ce304ed When mac_veriexec is enforcing, we won't run unverified binaries, don't let ldd examine them either. Reviewed by: stevek emaste MFC after: 1 week Sponsored by: Juniper Networks, Inc. Differential Revision: https://reviews.freebsd.org/D36897 
When mac_veriexec is enforcing, we won't run unverified binaries,
don't let ldd examine them either.

Reviewed by:	stevek emaste
MFC after:	1 week
Sponsored by:	Juniper Networks, Inc.
Differential Revision:	https://reviews.freebsd.org/D36897
ldd: use direct exec mode unconditionally 2022-10-06T15:50:26+00:00 Konstantin Belousov kib@FreeBSD.org 2022-09-21T13:55:44+00:00 9cabef3d146e9a844813b6bc8952d6cf2e9d45e5 Trying to exec malformed or unusual binary, for instance, a non-FreeBSD ABI, or using a non-standard interpreter, might give unexpected outcome. Reported by: The UK's National Cyber Security Centre (NCSC) Reviewed by: emaste, markj, philip Discussed with: jhb Sponsored by: The FreeBSD Foundation admbug: 991 PR: 127276, 175339, 231926 MFC after: 1 week Differential revision: https://reviews.freebsd.org/D36650 
Trying to exec malformed or unusual binary, for instance, a non-FreeBSD
ABI, or using a non-standard interpreter, might give unexpected outcome.

Reported by:	The UK's National Cyber Security Centre (NCSC)
Reviewed by:	emaste, markj, philip
Discussed with:	jhb
Sponsored by:	The FreeBSD Foundation
admbug:	991
PR:	127276, 175339, 231926
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D36650
ldd: also use exec mode for -a 2021-11-15T20:49:33+00:00 Konstantin Belousov kib@FreeBSD.org 2021-11-15T20:45:51+00:00 7d20a08076b4c9d4513585a01fc57c39be654edf The -a option also requires passing specific environment variables to instance of rtld doing tracing. PR: 259069 Sponsored by: The FreeBSD Foundation MFC after: 1 week 
The -a option also requires passing specific environment variables to
instance of rtld doing tracing.

PR:	259069
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
ldd: do not use dlopen(RTLD_TRACE) for dso when format is specified 2021-10-21T00:09:14+00:00 Konstantin Belousov kib@FreeBSD.org 2021-10-11T22:35:56+00:00 2c7a6dad4de17c357eb91c723bad860c6512a598 Problem is that rtld cannot reliably access updated environment. This was made more obvious by bfd4c875a10560aaa2. The application environment can be in arbitrary state and place, system components can observe it only during execve(2), or in case of rtld, right after execve, when environment is still at know location and format. Instead spawn ld-elf.so.1 in direct exec mode which can correctly read all inherited updates to the environment. PR: 259069 Reviewed by: arichardson, jhb Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D32464 
Problem is that rtld cannot reliably access updated environment.
This was made more obvious by bfd4c875a10560aaa2.  The application
environment can be in arbitrary state and place, system components
can observe it only during execve(2), or in case of rtld, right after
execve, when environment is still at know location and format.

Instead spawn ld-elf.so.1 in direct exec mode which can correctly read
all inherited updates to the environment.

PR:	259069
Reviewed by:	arichardson, jhb
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D32464
ldd: style 2021-10-21T00:09:03+00:00 Konstantin Belousov kib@FreeBSD.org 2021-10-12T11:39:32+00:00 ca8c576d10e22830d0c7ac865af21aad9ae44181 Reviewed by: arichardson, jhb Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D32464 
Reviewed by:	arichardson, jhb
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D32464
ldd: Remove non-functional -v option 2021-08-28T20:39:16+00:00 Konstantin Belousov kib@FreeBSD.org 2021-08-28T17:28:54+00:00 17fc43bc01011ed05f614f266350d37f7020a59d It seems -v only worked for a.out. Remove it, not even keeping the current nop for compat. Also remove more mentions of a.out format from the man page. Reviewed by: dim, emaste Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D31708 
It seems -v only worked for a.out.  Remove it, not even keeping the current
nop for compat.  Also remove more mentions of a.out format from the man
page.

Reviewed by:	dim, emaste
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D31708