elf/tst-auditmod12.c

   1 /* Audit module for tst-audit12.
   2    Copyright (C) 2015-2017 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <link.h>
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <string.h>
  23 #include <unistd.h>
  24
  25 unsigned int
  26 la_version (unsigned int version)
  27 {
  28   return version;
  29 }
  30
  31 char *
  32 la_objsearch (const char *name, uintptr_t *cookie, unsigned int flag)
  33 {
  34   const char target[] = "tst-audit12mod2.so";
  35
  36   size_t namelen = strlen (name);
  37   if (namelen >= sizeof (target) - 1
  38       && strcmp (name + namelen - (sizeof (target) - 1), target) == 0)
  39     {
  40       return (char *) "$ORIGIN/tst-audit12mod3.so";
  41     }
  42   return (char *) name;
  43 }