src/journal/fuzz-journald.c

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2
   3 #include "alloc-util.h"
   4 #include "fuzz-journald.h"
   5 #include "journald-server.h"
   6 #include "sd-event.h"
   7
   8 void dummy_server_init(Server *s, const uint8_t *buffer, size_t size) {
   9         *s = (Server) {
  10                 .syslog_fd = -1,
  11                 .native_fd = -1,
  12                 .stdout_fd = -1,
  13                 .dev_kmsg_fd = -1,
  14                 .audit_fd = -1,
  15                 .hostname_fd = -1,
  16                 .notify_fd = -1,
  17                 .storage = STORAGE_NONE,
  18                 .line_max = 64,
  19         };
  20         assert_se(sd_event_default(&s->event) >= 0);
  21
  22         if (buffer) {
  23                 s->buffer = memdup_suffix0(buffer, size);
  24                 assert_se(s->buffer);
  25         }
  26 }
  27
  28 void fuzz_journald_processing_function(
  29                 const uint8_t *data,
  30                 size_t size,
  31                 void (*f)(Server *s, const char *buf, size_t raw_len, const struct ucred *ucred, const struct timeval *tv, const char *label, size_t label_len)
  32         ) {
  33         Server s;
  34         char *label = NULL;
  35         size_t label_len = 0;
  36         struct ucred *ucred = NULL;
  37         struct timeval *tv = NULL;
  38
  39         if (size == 0)
  40                 return;
  41
  42         dummy_server_init(&s, data, size);
  43         (*f)(&s, s.buffer, size, ucred, tv, label, label_len);
  44         server_done(&s);
  45 }