Correct out-of-bounds array access in basic_ncsa_auth helper

diff --git a/helpers/basic_auth/NCSA/basic_ncsa_auth.cc b/helpers/basic_auth/NCSA/basic_ncsa_auth.cc
index 1425db85d93d22fcbe0a0e9cf4124519f10580ad..7ce42f8b002be6308b28673ec48f6ef8633ed6ee 100644 (file)
--- a/helpers/basic_auth/NCSA/basic_ncsa_auth.cc
+++ b/helpers/basic_auth/NCSA/basic_ncsa_auth.cc
@@ -85,7 +85,7 @@ read_passwd_file(const char *passwdfile)
         exit(1);
     }
     unsigned int lineCount = 0;
-    buf[sizeof(buf)] = '\0';
+    buf[HELPER_INPUT_BUFFER-1] = '\0';
     while (fgets(buf, sizeof(buf)-1, f) != NULL) {
         ++lineCount;
         if ((buf[0] == '#') || (buf[0] == ' ') || (buf[0] == '\t') ||