b999d48941
We're losing the svn history (which we could probably keep if we tried hard enough) but don't consider that worthwhile. Note these tests are destructive, so run them only in a throwaway environment like a chroot, container, or vm. The tests/run.all script should be the one which launches all the tests. Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
52 lines
1011 B
C
52 lines
1011 B
C
/*
|
|
* gcc rmdir_failure.c -o rmdir_failure.so -shared -ldl
|
|
* LD_PRELOAD=./rmdir_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 (*rmdir_type) (const char *path);
|
|
static rmdir_type next_rmdir;
|
|
|
|
static const char *failure_path = NULL;
|
|
|
|
int rmdir (const char *path)
|
|
{
|
|
if (NULL == next_rmdir)
|
|
{
|
|
next_rmdir = dlsym (RTLD_NEXT, "rmdir");
|
|
assert (NULL != next_rmdir);
|
|
}
|
|
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, "rmdir FAILURE %s\n", path);
|
|
errno = EBUSY;
|
|
return -1;
|
|
}
|
|
|
|
return next_rmdir (path);
|
|
}
|
|
|