diff options
Diffstat (limited to 'tests/common/unlink_failure.c')
-rw-r--r-- | tests/common/unlink_failure.c | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/tests/common/unlink_failure.c b/tests/common/unlink_failure.c deleted file mode 100644 index 2281c8af..00000000 --- a/tests/common/unlink_failure.c +++ /dev/null @@ -1,51 +0,0 @@ -/* - * gcc unlink_failure.c -o unlink_failure.so -shared -ldl - * LD_PRELOAD=./unlink_failure.so FAILURE_PATH=/etc/shadow ./test /etc/shadow - */ - -#define _GNU_SOURCE -#include <dlfcn.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <stdarg.h> -#include <fcntl.h> -#include <string.h> -#include <errno.h> -#include <assert.h> - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> - - -typedef int (*unlink_type) (const char *path); -static unlink_type next_unlink; - -static const char *failure_path = NULL; - -int unlink (const char *path) -{ - if (NULL == next_unlink) - { - next_unlink = dlsym (RTLD_NEXT, "unlink"); - assert (NULL != next_unlink); - } - if (NULL == failure_path) { - failure_path = getenv ("FAILURE_PATH"); - if (NULL == failure_path) { - fputs ("No FAILURE_PATH defined\n", stderr); - } - } - - if ( (NULL != path) - && (NULL != failure_path) - && (strcmp (path, failure_path) == 0)) - { - fprintf (stderr, "unlink FAILURE %s\n", path); - errno = EBUSY; - return -1; - } - - return next_unlink (path); -} - |