cross-build: Add secure_getenv() for MacOS cross builds

Reviewed by:	arichardson
Fixes:		68ca8363c7 ("libc: Use secure_getenv(3) where appropriate")
Differential Revision:	https://reviews.freebsd.org/D39295
This commit is contained in:
Mark Johnston 2023-03-28 08:55:17 -04:00
parent fe5e6e2cc5
commit 0ec03c0b10
3 changed files with 25 additions and 2 deletions

View File

@ -204,7 +204,13 @@ CFLAGS.closefrom.c+= -DSTDC_HEADERS -DHAVE_SYS_DIR_H -DHAVE_DIRENT_H \
SRCS+= progname.c
# Stub implementations of fflagstostr/strtofflags
SRCS+= fflags.c
.endif
.endif # ${MAKE.OS} == "Linux"
.if ${.MAKE.OS} == "Darwin"
# Standalone implementation of secure_getenv(), not available on MacOS.
SRCS+= secure_getenv.c
.endif # ${MAKE.OS} == "Darwin"
# Provide the same arc4random implementation on Linux/macOS
CFLAGS.arc4random.c+= -I${SRCTOP}/sys/crypto/chacha20 -D__isthreaded=1
SRCS+= arc4random.c arc4random_uniform.c
@ -227,7 +233,7 @@ subr_capability.c: ${SRCTOP}/sys/kern/subr_capability.c
cp ${.ALLSRC} ${.TARGET}
SRCS+= subr_capability.c
CLEANFILES+= subr_capability.c
.endif
.endif # ${MAKE.OS} != "FreeBSD"
CASPERINC+= ${SRCTOP}/lib/libcasper/services/cap_fileargs/cap_fileargs.h
CASPERINC+= ${SRCTOP}/lib/libcasper/services/cap_net/cap_net.h

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@ -42,6 +42,7 @@ __BEGIN_DECLS
int rpmatch(const char *response);
char *secure_getenv(const char *name);
long long strtonum(const char *numstr, long long minval, long long maxval,
const char **errstrp);

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@ -0,0 +1,16 @@
/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2023 Mark Johnston <markj@FreeBSD.org>
*/
#include <stdlib.h>
#include <unistd.h>
char *
secure_getenv(const char *name)
{
if (issetugid() != 0)
return (NULL);
return (getenv(name));
}