# HG changeset patch
# User Todd C. Miller <Todd.Miller@courtesan.com>
# Date 1452556552 25200
# Node ID 0cd3cc8fa19565d3f7eb7d960f6ba5da0dec4889
# Parent  4d2c1761c75245fb88ce397d68bea10afea9c037
Silence warning in digest_matches() on systems with no fexecve(2).

Reference to upstream patch:
https://www.sudo.ws/repos/sudo/raw-rev/0cd3cc8fa195

CVE: CVE-2015-8239
Upstream-Status: Backport
Signed-off-by: Sona Sarmadi <sona.sarmadi@enea.com>
---
diff -r 4d2c1761c752 -r 0cd3cc8fa195 plugins/sudoers/match.c
--- a/plugins/sudoers/match.c	Mon Jan 11 16:52:52 2016 -0700
+++ b/plugins/sudoers/match.c	Mon Jan 11 16:55:52 2016 -0700
@@ -590,8 +590,10 @@
     unsigned char sudoers_digest[SHA512_DIGEST_LENGTH];
     unsigned char buf[32 * 1024];
     struct digest_function *func = NULL;
+#ifdef HAVE_FEXECVE
     bool first = true;
     bool is_script = false;
+#endif /* HAVE_FEXECVE */
     size_t nread;
     SHA2_CTX ctx;
     FILE *fp;
@@ -635,12 +637,14 @@
 
     func->init(&ctx);
     while ((nread = fread(buf, 1, sizeof(buf), fp)) != 0) {
+#ifdef HAVE_FEXECVE
 	/* Check for #! cookie and set is_script. */
 	if (first) {
 	    first = false;
 	    if (nread >= 2 && buf[0] == '#' && buf[1] == '!')
 		is_script = true;
 	}
+#endif /* HAVE_FEXECVE */
 	func->update(&ctx, buf, nread);
     }
     if (ferror(fp)) {