1 files changed, 62 insertions, 0 deletions
diff --git a/system/openssh/bsd-compatible-realpath.patch b/system/openssh/bsd-compatible-realpath.patch
new file mode 100644
index 000000000..1cdb4f7c5
--- /dev/null
+++ b/system/openssh/bsd-compatible-realpath.patch
@@ -0,0 +1,62 @@
+fix issues with fortify-headers and the way openssh handles the needed
+BSD compatible realpath(3).
+
+unconditionally use the provided realpath() as otherwise cross-builds
+would try to use musl realpath() which is posix compliant and not
+working to openssh expectations.
+
+diff -ru openssh-7.2p2.orig/openbsd-compat/openbsd-compat.h openssh-7.2p2/openbsd-compat/openbsd-compat.h
+--- openssh-7.2p2.orig/openbsd-compat/openbsd-compat.h	2016-03-09 20:04:48.000000000 +0200
++++ openssh-7.2p2/openbsd-compat/openbsd-compat.h	2016-07-18 13:33:16.260357745 +0300
+@@ -68,17 +68,7 @@
+ void *reallocarray(void *, size_t, size_t);
+ #endif
+ 
+-#if !defined(HAVE_REALPATH) || defined(BROKEN_REALPATH)
+-/*
+- * glibc's FORTIFY_SOURCE can redefine this and prevent us picking up the
+- * compat version.
+- */
+-# ifdef BROKEN_REALPATH
+-#  define realpath(x, y) _ssh_compat_realpath(x, y)
+-# endif
+-
+-char *realpath(const char *path, char *resolved);
+-#endif
++char *ssh_realpath(const char *path, char *resolved);
+ 
+ #ifndef HAVE_RRESVPORT_AF
+ int rresvport_af(int *alport, sa_family_t af);
+diff -ru openssh-7.2p2.orig/openbsd-compat/realpath.c openssh-7.2p2/openbsd-compat/realpath.c
+--- openssh-7.2p2.orig/openbsd-compat/realpath.c	2016-03-09 20:04:48.000000000 +0200
++++ openssh-7.2p2/openbsd-compat/realpath.c	2016-07-18 13:33:45.420721690 +0300
+@@ -31,7 +31,7 @@
+ 
+ #include "includes.h"
+ 
+-#if !defined(HAVE_REALPATH) || defined(BROKEN_REALPATH)
++#if 1
+ 
+ #include <sys/types.h>
+ #include <sys/param.h>
+@@ -58,7 +58,7 @@
+  * in which case the path which caused trouble is left in (resolved).
+  */
+ char *
+-realpath(const char *path, char *resolved)
++ssh_realpath(const char *path, char *resolved)
+ {
+ 	struct stat sb;
+ 	char *p, *q, *s;
+diff -ru openssh-7.2p2.orig/sftp-server.c openssh-7.2p2/sftp-server.c
+--- openssh-7.2p2.orig/sftp-server.c	2016-03-09 20:04:48.000000000 +0200
++++ openssh-7.2p2/sftp-server.c	2016-07-18 13:34:29.131267241 +0300
+@@ -1162,7 +1162,7 @@
+ 	}
+ 	debug3("request %u: realpath", id);
+ 	verbose("realpath \"%s\"", path);
+-	if (realpath(path, resolvedname) == NULL) {
++	if (ssh_realpath(path, resolvedname) == NULL) {
+ 		send_status(id, errno_to_portable(errno));
+ 	} else {
+ 		Stat s;