From: Jeremy Harris <jgh146exb@wizmail.org>
Date: Thu, 25 Jun 2020 09:41:49 +0000 (+0100)
Subject: Build: guards on openat()
X-Git-Url: https://git.exim.org/users/heiko/exim.git/commitdiff_plain/1077d3c3f960c4e5a157c51815b8009f5114ab1a?ds=sidebyside

Build: guards on openat()
---

diff --git a/src/OS/os.h-Linux b/src/OS/os.h-Linux
index c705e5cd2..ba5f13450 100644
--- a/src/OS/os.h-Linux
+++ b/src/OS/os.h-Linux
@@ -71,7 +71,7 @@ then change the 0 to 1 in the next block. */
 # define LLONG_MAX LONG_LONG_MAX
 #endif
 
-#if _POSIX_C_SOURCE >= 200809L || _ATFILE_SOUCE
+#if _POSIX_C_SOURCE >= 200809L || _ATFILE_SOURCE
 # define EXIM_HAVE_OPENAT
 #endif
 
diff --git a/src/src/functions.h b/src/src/functions.h
index 110d4db19..54de974c6 100644
--- a/src/src/functions.h
+++ b/src/src/functions.h
@@ -1104,6 +1104,7 @@ log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
 errno = EACCES;
 return -1;
 }
+#ifdef EXIM_HAVE_OPENAT
 static inline int
 exim_openat(int dirfd, const char *pathname, int flags)
 {
@@ -1120,6 +1121,7 @@ log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
 errno = EACCES;
 return -1;
 }
+#endif
 
 static inline FILE *
 exim_fopen(const char *pathname, const char *mode)
diff --git a/src/src/transports/queuefile.c b/src/src/transports/queuefile.c
index 21ed3527f..259bfd941 100644
--- a/src/src/transports/queuefile.c
+++ b/src/src/transports/queuefile.c
@@ -11,6 +11,10 @@
 #include "../exim.h"
 #include "queuefile.h"
 
+#ifndef EXIM_HAVE_OPENAT
+# error queuefile transport reqires openat() support
+#endif
+
 /* Options specific to the appendfile transport. They must be in alphabetic
 order (note that "_" comes before the lower case letters). Some of them are
 stored in the publicly visible instance block - these are flagged with the