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change: slaves only sync from masters

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This commit is contained in:
van Hauser
2020-05-15 09:27:15 +02:00
parent 564399bd75
commit d536ddc240
9 changed files with 89 additions and 45 deletions
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47
src/afl-fuzz-init.c
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@ -1315,6 +1315,36 @@ dir_cleanup_failed:
}
/* If this is a -S slave, ensure a -M master is running */
int check_master_exists(afl_state_t *afl) {
DIR * sd;
struct dirent *sd_ent;
u8 * fn;
sd = opendir(afl->sync_dir);
if (!sd) { PFATAL("Unable to open '%s'", afl->sync_dir); }
while ((sd_ent = readdir(sd))) {
/* Skip dot files and our own output directory. */
if (sd_ent->d_name[0] == '.' || !strcmp(afl->sync_id, sd_ent->d_name)) {
continue;
}
fn = alloc_printf("%s/%s/is_master", afl->sync_dir, sd_ent->d_name);
int res = access(fn, F_OK);
free(fn);
if (res == 0) return 1;
}
return 0;
}
/* Prepare output directories and fds. */
void setup_dirs_fds(afl_state_t *afl) {
@ -1330,18 +1360,15 @@ void setup_dirs_fds(afl_state_t *afl) {
}
/*
if (afl->is_master) {
if (afl->is_master) {
u8 *x = alloc_printf("%s/%s/is_master", afl->sync_dir, afl->sync_id);
int fd = open(x, O_CREAT | O_RDWR, 0644);
if (fd < 0) FATAL("cannot create %s", x);
free(x);
close(fd);
u8 *x = alloc_printf("%s/%s/is_master", afl->sync_dir, afl->sync_id);
int fd = open(x, O_CREAT | O_RDWR, 0644);
if (fd < 0) FATAL("cannot create %s", x);
free(x);
close(fd);
}
*/
}
if (mkdir(afl->out_dir, 0700)) {