Rudimentary --show support is back

include/types.h

@@ -476,6 +476,8 @@ typedef struct hash
   void       *esalt;
   int         cracked;
   hashinfo_t *hash_info;
+  char       *pw_buf;
+  int         pw_len;
 
 } hash_t;
 

src/hashes.c

@@ -1220,13 +1220,6 @@ int hashes_init_stage3 (hashcat_ctx_t *hashcat_ctx)
   hashes->salts_cnt   = salts_cnt;
   hashes->salts_done  = salts_done;
 
-  // at this point we no longer need hash_t* structure
-
-  hcfree (hashes_buf);
-
-  hashes->hashes_cnt = 0;
-  hashes->hashes_buf = NULL;
-
   return 0;
 }
 
@@ -1279,6 +1272,15 @@ int hashes_init_stage4 (hashcat_ctx_t *hashcat_ctx)
     }
   }
 
+  // at this point we no longer need hash_t* structure
+
+  hash_t *hashes_buf = hashes->hashes_buf;
+
+  hcfree (hashes_buf);
+
+  hashes->hashes_cnt = 0;
+  hashes->hashes_buf = NULL;
+
   return 0;
 }
 

src/outfile_check.c

@@ -36,7 +36,7 @@ static int outfile_remove (hashcat_ctx_t *hashcat_ctx)
   u32   outfile_check_timer = user_options->outfile_check_timer;
 
   // buffers
-  hash_t hash_buf = { 0, 0, 0, 0, 0 };
+  hash_t hash_buf = { 0, 0, 0, 0, 0, NULL, 0 };
 
   hash_buf.digest = hcmalloc (hashcat_ctx, dgst_size); VERIFY_PTR (hash_buf.digest);
 

src/potfile.c

@@ -785,14 +785,12 @@ int potfile_remove_parse (hashcat_ctx_t *hashcat_ctx)
 
   while (!feof (potfile_ctx->fp))
   {
-    char *ptr = fgets (line_buf, HCBUFSIZ_LARGE - 1, potfile_ctx->fp);
-
-    if (ptr == NULL) break;
-
-    int line_len = strlen (line_buf);
+    int line_len = fgetl (potfile_ctx->fp, line_buf);
 
     if (line_len == 0) continue;
 
+    const int line_len_orig = line_len;
+
     int iter = MAX_CUT_TRIES;
 
     for (int i = line_len - 1; i && iter; i--, line_len--)
@@ -910,6 +908,16 @@ int potfile_remove_parse (hashcat_ctx_t *hashcat_ctx)
 
       if (found == NULL) continue;
 
+      char *pw_buf = line_buf + line_len;
+      int   pw_len = line_len_orig - line_len;
+
+      found->pw_buf = (char *) hcmalloc (hashcat_ctx, pw_len + 1); VERIFY_PTR (found->pw_buf);
+      found->pw_len = pw_len;
+
+      memcpy (found->pw_buf, pw_buf, pw_len);
+
+      found->pw_buf[found->pw_len] = 0;
+
       found->cracked = 1;
 
       if (found) break;
@@ -939,10 +947,42 @@ int potfile_remove_parse (hashcat_ctx_t *hashcat_ctx)
   return 0;
 }
 
-
 int potfile_handle_show (hashcat_ctx_t *hashcat_ctx)
 {
-  event_log_error (hashcat_ctx, "The --show feature is currently not available");
+  hashes_t *hashes = hashcat_ctx->hashes;
+
+  hash_t *hashes_buf = hashes->hashes_buf;
+
+  u32     salts_cnt = hashes->salts_cnt;
+  salt_t *salts_buf = hashes->salts_buf;
+
+  for (u32 salt_idx = 0; salt_idx < salts_cnt; salt_idx++)
+  {
+    salt_t *salt_buf = salts_buf + salt_idx;
+
+    u32 digests_cnt = salt_buf->digests_cnt;
+
+    for (u32 digest_idx = 0; digest_idx < digests_cnt; digest_idx++)
+    {
+      const u32 hashes_idx = salt_buf->digests_offset + digest_idx;
+
+      u32 *digests_shown = hashes->digests_shown;
+
+      if (digests_shown[hashes_idx] == 0) continue;
+
+      char out_buf[HCBUFSIZ_LARGE]; // scratch buffer
+
+      out_buf[0] = 0;
+
+      ascii_digest (hashcat_ctx, out_buf, salt_idx, digest_idx);
+
+      char tmp_buf[HCBUFSIZ_LARGE]; // scratch buffer
+
+      const int tmp_len = outfile_write (hashcat_ctx, out_buf, (unsigned char *) hashes_buf[hashes_idx].pw_buf, hashes->hashes_buf[hashes_idx].pw_len, 0, NULL, 0, tmp_buf);
+
+      EVENT_DATA (EVENT_POTFILE_HASH_CRACKED, tmp_buf, tmp_len);
+    }
+  }
 
   return 0;
 }