src/fuzz/fuzz-xdg-desktop.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include "alloc-util.h"
   4 #include "fd-util.h"
   5 #include "fs-util.h"
   6 #include "rm-rf.h"
   7 #include "string-util.h"
   8 #include "strv.h"
   9 #include "tests.h"
  10 #include "tmpfile-util.h"
  11 #include "fuzz.h"
  12 #include "xdg-autostart-service.h"
  13
  14 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
  15         _cleanup_(unlink_tempfilep) char name[] = "/tmp/fuzz-xdg-desktop.XXXXXX";
  16         _cleanup_close_ int fd = -1;
  17         _cleanup_(xdg_autostart_service_freep) XdgAutostartService *service = NULL;
  18         _cleanup_(rm_rf_physical_and_freep) char *tmpdir = NULL;
  19
  20         /* We don't want to fill the logs with messages about parse errors.
  21          * Disable most logging if not running standalone */
  22         if (!getenv("SYSTEMD_LOG_LEVEL"))
  23                 log_set_max_level(LOG_CRIT);
  24
  25         assert_se(mkdtemp_malloc("/tmp/fuzz-xdg-desktop-XXXXXX", &tmpdir) >= 0);
  26
  27         fd = mkostemp_safe(name);
  28         assert_se(fd >= 0);
  29         assert_se(write(fd, data, size) == (ssize_t) size);
  30
  31         assert_se(service = xdg_autostart_service_parse_desktop(name));
  32         assert_se(service->name = strdup("fuzz-xdg-desktop.service"));
  33         (void) xdg_autostart_service_generate_unit(service, tmpdir);
  34
  35         return 0;
  36 }