From d7331886b31cf783f8d9e882a02407947250016e Mon Sep 17 00:00:00 2001
From: Arseniy Sharoglazov <mohemiv@gmail.com>
Date: Mon, 21 Aug 2023 01:22:18 +0300
Subject: [PATCH] Adding RULE_OP_MANGLE_NUM_INCR to src/rp_cpu.c

---
 src/rp_cpu.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/src/rp_cpu.c b/src/rp_cpu.c
index fb16aa08e..88f77e4e0 100644
--- a/src/rp_cpu.c
+++ b/src/rp_cpu.c
@@ -123,6 +123,28 @@ static int mangle_reverse (char arr[RP_PASSWORD_SIZE], int arr_len)
   return (arr_len);
 }
 
+static int mangle_num_incr (char arr[RP_PASSWORD_SIZE], int arr_len)
+{
+  for (int pos = 0; pos < arr_len; pos++)
+  {
+    const u8 byte = arr[pos];
+
+    if ((byte <= '9') && (byte >= '0'))
+    {
+      if (byte == '9')
+      {
+        arr[pos] = '0';
+      }
+      else
+      {
+        arr[pos]++;
+      }
+    }
+  }
+
+  return (arr_len);
+}
+
 static int mangle_double (char arr[RP_PASSWORD_SIZE], int arr_len)
 {
   if ((arr_len * 2) >= RP_PASSWORD_SIZE) return (arr_len);
@@ -592,6 +614,10 @@ int _old_apply_rule (const char *rule, int rule_len, char in[RP_PASSWORD_SIZE],
         out_len = mangle_trest (out, out_len);
         break;
 
+      case RULE_OP_MANGLE_NUM_INCR:
+        out_len = mangle_num_incr (out, out_len);
+        break;
+
       case RULE_OP_MANGLE_TOGGLE_AT:
         NEXT_RULEPOS (rule_pos);
         NEXT_RPTOI (rule_new, rule_pos, upos);