From cf9cda99a5caf8fabd547f25a962b96a46e13957 Mon Sep 17 00:00:00 2001
From: Nikos Mavrogiannopoulos <nmav@redhat.com>
Date: Thu, 12 Apr 2018 14:58:59 +0200
Subject: [PATCH] include crypt.h to use crypt()

This is necessary in Fedora28 as it doesn't provide
crypt() prototype in unistd.h

https://bugzilla.redhat.com/show_bug.cgi?id=1566464

Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
---
 configure.ac            | 2 +-
 src/auth/plain.c        | 5 +++++
 src/ocpasswd/ocpasswd.c | 5 +++++
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 71c27564..c03d8e7b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -319,7 +319,7 @@ AC_CHECK_MEMBER([struct sockaddr.sa_len],
 #include <sys/socket.h>
 ])
 
-AC_CHECK_HEADERS([net/if_tun.h linux/if_tun.h netinet/in_systm.h], [], [], [])
+AC_CHECK_HEADERS([net/if_tun.h linux/if_tun.h netinet/in_systm.h crypt.h], [], [], [])
 
 AC_CHECK_FUNCS([setproctitle vasprintf clock_gettime isatty pselect ppoll getpeereid sigaltstack])
 AC_CHECK_FUNCS([strlcpy posix_memalign malloc_trim strsep])
diff --git a/src/auth/plain.c b/src/auth/plain.c
index 2052e07d..f9c7b1b1 100644
--- a/src/auth/plain.c
+++ b/src/auth/plain.c
@@ -37,6 +37,11 @@
 #ifdef HAVE_LIBOATH
 # include <liboath/oath.h>
 #endif
+#ifdef HAVE_CRYPT_H
+  /* libcrypt in Fedora28 does not provide prototype
+   * in unistd.h */
+# include <crypt.h>
+#endif
 
 #define MAX_CPASS_SIZE 128
 #define HOTP_WINDOW 20
diff --git a/src/ocpasswd/ocpasswd.c b/src/ocpasswd/ocpasswd.c
index de3b8396..abb66744 100644
--- a/src/ocpasswd/ocpasswd.c
+++ b/src/ocpasswd/ocpasswd.c
@@ -32,6 +32,11 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include "ocpasswd-args.h"
+#ifdef HAVE_CRYPT_H
+  /* libcrypt in Fedora28 does not provide prototype
+   * in unistd.h */
+# include <crypt.h>
+#endif
 
 /* Gnulib portability files. */
 #include <getpass.h>
-- 
2.14.3