Restore: Restore timer is decreased from 60 seconds to 1 second, but only updates if there's actually a change compared to previous data written to restore file

docs/changes.txt

@@ -115,6 +115,7 @@
 - OpenCL Runtime: Added support to use Apple Silicon compute devices
 - OpenCL Runtime: Add some unstable warnings detected on macOS
 - OpenCL Runtime: Set default device-type to GPU with Apple Silicon compute devices
+- Restore: Restore timer is decreased from 60 seconds to 1 second, but only updates if there's actually a change compared to previous data written to restore file
 - Rules: Add new rulesets from T0XlC: T0XlCv2, T0XlC_3_rule, T0XlC_insert_HTLM_entities_0_Z
 - Rules: Add support to include source wordlist in debugging format
 - Rules: Update hand-written rulesets to covers years up to 2029

include/types.h

@@ -679,7 +679,7 @@ typedef enum user_options_defaults
   REMOVE_TIMER             = 60,
   RESTORE_DISABLE          = false,
   RESTORE                  = false,
-  RESTORE_TIMER            = 60,
+  RESTORE_TIMER            = 1,
   RP_GEN                   = 0,
   RP_GEN_FUNC_MAX          = 4,
   RP_GEN_FUNC_MIN          = 1,
@@ -2183,6 +2183,10 @@ typedef struct restore_ctx
 
   restore_data_t *rd;
 
+  u32  dicts_pos_prev;
+  u32  masks_pos_prev;
+  u64  words_cur_prev;
+
 } restore_ctx_t;
 
 typedef struct pidfile_ctx

src/restore.c

@@ -240,6 +240,19 @@ int cycle_restore (hashcat_ctx_t *hashcat_ctx)
 
   if (restore_ctx->enabled == false) return 0;
 
+  const mask_ctx_t     *mask_ctx     = hashcat_ctx->mask_ctx;
+  const status_ctx_t   *status_ctx   = hashcat_ctx->status_ctx;
+  const straight_ctx_t *straight_ctx = hashcat_ctx->straight_ctx;
+
+  // no updates, no need to write
+  if ((restore_ctx->masks_pos_prev == mask_ctx->masks_pos)
+   && (restore_ctx->dicts_pos_prev == straight_ctx->dicts_pos)
+   && (restore_ctx->words_cur_prev == status_ctx->words_cur)) return 0;
+
+  restore_ctx->masks_pos_prev = mask_ctx->masks_pos;
+  restore_ctx->dicts_pos_prev = straight_ctx->dicts_pos;
+  restore_ctx->words_cur_prev = status_ctx->words_cur;
+
   const char *eff_restore_file = restore_ctx->eff_restore_file;
   const char *new_restore_file = restore_ctx->new_restore_file;
 
@@ -346,6 +359,10 @@ int restore_ctx_init (hashcat_ctx_t *hashcat_ctx, int argc, char **argv)
     restore_ctx->restore_execute = true;
   }
 
+  restore_ctx->masks_pos_prev = -1;
+  restore_ctx->dicts_pos_prev = -1;
+  restore_ctx->words_cur_prev = -1;
+
   return 0;
 }