contrib/pam_modules/pam_passwdqc/pam_macros.h

   1 /*
   2  * These macros are partially based on Linux-PAM's <security/_pam_macros.h>,
   3  * which were organized by Cristian Gafton and I believe are in the public
   4  * domain.
   5  */
   6
   7 #if !defined(_PAM_MACROS_H) && !defined(_pam_overwrite)
   8 #define _PAM_MACROS_H
   9
  10 #include <string.h>
  11 #include <stdlib.h>
  12
  13 #define _pam_overwrite(x) \
  14         memset((x), 0, strlen((x)))
  15
  16 #define _pam_drop_reply(/* struct pam_response * */ reply, /* int */ replies) \
  17 do { \
  18         int i; \
  19 \
  20         for (i = 0; i < (replies); i++) \
  21         if ((reply)[i].resp) { \
  22                 _pam_overwrite((reply)[i].resp); \
  23                 free((reply)[i].resp); \
  24         } \
  25         if ((reply)) free((reply)); \
  26 } while (0)
  27
  28 #endif