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- Prefer system PATH_MAX
- Add OpenPAM support
- Relax O_PATH optimization
--- pam_xdg.c.orig 2021-03-29 22:50:34 UTC
+++ pam_xdg.c
@@ -52,6 +52,7 @@
#include <errno.h>
#include <fcntl.h>
+#include <limits.h> /* PATH_MAX */
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
@@ -60,11 +61,29 @@
#include <unistd.h>
#include <security/pam_modules.h>
+#if __has_include(<security/pam_ext.h>)
#include <security/pam_ext.h>
+#else
+#include <security/pam_appl.h>
+/* From freebsd-src/sys/contrib/openzfs/contrib/pam_zfs_key/pam_zfs_key.c */
+static void
+pam_syslog(pam_handle_t *pamh __unused, int loglevel, const char *fmt, ...)
+{
+ va_list args;
+ va_start(args, fmt);
+ vsyslog(loglevel, fmt, args);
+ va_end(args);
+}
+#endif
/* _XOPEN_PATH_MAX POSIX 2008/Cor 1-2013 */
#ifndef PATH_MAX
# define PATH_MAX 1024
+#endif
+
+/* Linux extension adopted by FreeBSD 13.1 */
+#ifndef O_PATH
+# define O_PATH 0
#endif
static int a_xdg(int isopen, pam_handle_t *pamh, int flags, int argc,
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