1 files changed, 81 insertions, 0 deletions
diff --git a/plugin/auth_pam/auth_pam_tool.h b/plugin/auth_pam/auth_pam_tool.h
new file mode 100644
index 00000000..60ae016d
--- /dev/null
+++ b/plugin/auth_pam/auth_pam_tool.h
@@ -0,0 +1,81 @@
+/*
+   Copyright (c) 2011, 2018 MariaDB Corporation
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA */
+
+/*
+  This file contains definitions and functions for
+  the interface between the auth_pam.so (PAM plugin version 2)
+  and the auth_pam_tool executable.
+  To be included both in auth_pam.c and auth_pam_tool.c.
+*/
+
+#define AP_AUTHENTICATED_AS 'A'
+#define AP_CONV 'C'
+#define AP_EOF 'E'
+
+
+static int read_length(int file)
+{
+  unsigned char hdr[2];
+
+  if (read(file, hdr, 2) < 2)
+    return -1;
+
+  return (((int) hdr[0]) << 8) + (int) hdr[1];
+}
+
+
+static void store_length(int len, unsigned char *p_len)
+{
+  p_len[0]= (unsigned char) ((len >> 8) & 0xFF);
+  p_len[1]= (unsigned char) (len  & 0xFF);
+}
+
+
+/*
+  Returns the length of the string read,
+  or -1 on error.
+*/
+
+static int read_string(int file, char *s, int s_size)
+{
+  int len;
+
+  len= read_length(file);
+
+  if (len < 0 || len > s_size-1 ||
+      read(file, s, len) < len)
+    return -1;
+
+  s[len]= 0;
+
+  return len;
+}
+
+
+/*
+  Returns 0 on success.
+*/
+
+static int write_string(int file, const unsigned char *s, int s_len)
+{
+  unsigned char hdr[2];
+  store_length(s_len, hdr);
+  return write(file, hdr, 2) < 2 ||
+         write(file, s, s_len) < s_len;
+}
+
+
+#define MAX_PAM_SERVICE_NAME 1024