int ext_filter_body(char *in, char *out)
{
unsigned char *internal;
c_int *external;
internal = (unsigned char *)in;
external = ext_word;
external[0] = internal[0];
external[1] = internal[1];
external[2] = internal[2];
external[3] = internal[3];
if (external[0] && external[1] && external[2] && external[3])
do {
if (!(external[4] = internal[4]))
break;
if (!(external[5] = internal[5]))
break;
if (!(external[6] = internal[6]))
break;
if (!(external[7] = internal[7]))
break;
internal += 4;
external += 4;
} while (1);
c_execute_fast(f_filter);
if (!ext_word[0] && in[0]) return 0;
internal = (unsigned char *)out;
external = ext_word;
internal[0] = external[0];
internal[1] = external[1];
internal[2] = external[2];
internal[3] = external[3];
if (external[0] && external[1] && external[2] && external[3])
do {
if (!(internal[4] = external[4]))
break;
if (!(internal[5] = external[5]))
break;
if (!(internal[6] = external[6]))
break;
if (!(internal[7] = external[7]))
break;
internal += 4;
external += 4;
} while (1);
out[maxlen] = 0;
return 1;
}
void do_external_crack(struct db_main *db)
{
unsigned char *internal;
c_int *external;
log_event("Proceeding with external mode: %.100s", ext_mode);
#ifdef HAVE_MPI
if (mpi_p > 1) log_event("MPI: each node will process 1/%u of candidates", mpi_p);
#endif
internal = (unsigned char *)int_word;
external = ext_word;
while (*external)
*internal++ = *external++;
*internal = 0;
status_init(&get_progress, 0);
rec_restore_mode(restore_state);
rec_init(db, save_state);
crk_init(db, fix_state, NULL);
do {
c_execute_fast(f_generate);
if (!ext_word[0])
break;
if (f_filter) {
c_execute_fast(f_filter);
if (!ext_word[0])
continue;
}
#ifdef HAVE_MPI
// MPI distribution
if (mpi_line++ % mpi_p != mpi_id) continue;
#endif
int_word[0] = ext_word[0];
if ((int_word[1] = ext_word[1])) {
internal = (unsigned char *)&int_word[2];
external = &ext_word[2];
do {
if (!(internal[0] = external[0]))
break;
if (!(internal[1] = external[1]))
break;
if (!(internal[2] = external[2]))
break;
if (!(internal[3] = external[3]))
break;
internal += 4;
external += 4;
} while (1);
}
int_word[maxlen] = 0;
if (crk_process_key(int_word)) break;
} while (1);
if (!event_abort)
progress = 100; // For reporting DONE after a no-ETA run
crk_done();
rec_done(event_abort);
}
void do_external_crack(struct db_main *db)
{
unsigned char *internal;
c_int *external;
int my_words, their_words;
log_event("Proceeding with external mode: %.100s", ext_mode);
internal = (unsigned char *)int_word;
external = ext_word;
while (*external)
*internal++ = *external++;
*internal = 0;
seq = 0;
status_init(&get_progress, 0);
rec_restore_mode(restore_state);
rec_init(db, save_state);
crk_init(db, fix_state, NULL);
my_words = options.node_max - options.node_min + 1;
their_words = options.node_min - 1;
if (seq) {
/* Restored session. seq is right after a word we've actually used. */
int for_node = seq % options.node_count + 1;
if (for_node < options.node_min ||
for_node > options.node_max) {
/* We assume that seq is at the beginning of other nodes' block */
their_words = options.node_count - my_words;
} else {
my_words = options.node_max - for_node + 1;
their_words = 0;
}
}
do {
c_execute_fast(f_generate);
if (!ext_word[0])
break;
if (options.node_count) {
seq++;
if (their_words) {
their_words--;
continue;
}
if (--my_words == 0) {
my_words =
options.node_max - options.node_min + 1;
their_words = options.node_count - my_words;
}
}
if (f_filter) {
c_execute_fast(f_filter);
if (!ext_word[0])
continue;
}
int_word[0] = ext_word[0];
if ((int_word[1] = ext_word[1])) {
internal = (unsigned char *)&int_word[2];
external = &ext_word[2];
do {
if (!(internal[0] = external[0]))
break;
if (!(internal[1] = external[1]))
break;
if (!(internal[2] = external[2]))
break;
if (!(internal[3] = external[3]))
break;
internal += 4;
external += 4;
} while (1);
}
int_word[maxlen] = 0;
if (options.mask) {
if (do_mask_crack(int_word))
break;
} else
if (crk_process_key(int_word)) break;
} while (1);
if (!event_abort)
progress = 100; // For reporting DONE after a no-ETA run
crk_done();
rec_done(event_abort);
}
