git: 4bfc94008706 - main - security/samhain: don't use sbrk

The branch main has been updated by brooks:

URL: https://cgit.FreeBSD.org/ports/commit/?id=4bfc94008706401027f79514540aa47889d4cb29

commit 4bfc94008706401027f79514540aa47889d4cb29
Author:     Brooks Davis <brooks@FreeBSD.org>
AuthorDate: 2023-12-05 23:52:36 +0000
Commit:     Brooks Davis <brooks@FreeBSD.org>
CommitDate: 2025-02-18 20:59:20 +0000

    security/samhain: don't use sbrk
    
    Samhain has an internal malloc implementation that uses sbrk and malloc.
    There's a fallback during initialization if sbrk fails so replace sbrk
    calls with a function that return the failure value ((void *)-1).
    
    PR:             275646
    Approved by:    freebsd@gregv.net (maintainer)
---
 security/samhain/Makefile                   |  2 +-
 security/samhain/files/patch-src_dnmalloc.c | 21 +++++++++++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/security/samhain/Makefile b/security/samhain/Makefile
index 6638f656c070..c54b2e30c0cb 100644
--- a/security/samhain/Makefile
+++ b/security/samhain/Makefile
@@ -14,7 +14,7 @@ LICENSE=	GPLv2
 BROKEN_mips=		fails to configure: error: Could not find the libwrap library
 BROKEN_mips64=		fails to configure: error: Could not find the libwrap library
 
-USES=			sbrk shebangfix
+USES=			shebangfix
 SHEBANG_FILES=		scripts/samhainadmin-gpg.pl.in \
 			scripts/samhainadmin-sig.pl.in
 
diff --git a/security/samhain/files/patch-src_dnmalloc.c b/security/samhain/files/patch-src_dnmalloc.c
new file mode 100644
index 000000000000..3ea627f5bf98
--- /dev/null
+++ b/security/samhain/files/patch-src_dnmalloc.c
@@ -0,0 +1,21 @@
+--- src/dnmalloc.c.orig
++++ src/dnmalloc.c
+@@ -660,8 +660,18 @@
+   sample version for pre-OSX macos.
+ */
+ 
++#ifdef __FreeBSD__
++static void *nosbrk(ptrdiff_t len __unused) {
++  return MORECORE_FAILURE;
++}
++#endif
++
+ #ifndef MORECORE
++#ifdef __FreeBSD__
++#define MORECORE nosbrk
++#else
+ #define MORECORE sbrk
++#endif
+ #endif
+ 
+