The --anon option now randomizes its effect

2 files changed, 19 insertions, 6 deletions

diff --git a/src/filters.cc b/src/filters.cc
index 819e3d97..86386f58 100644
--- a/src/filters.cc
+++ b/src/filters.cc
@@ -270,8 +270,12 @@ void anonymize_posts::operator()(post_t& post)
   if (copy_xact_details) {
     xact.copy_details(*post.xact);
 
+    std::ostringstream buf;
+    buf << reinterpret_cast<uintmax_t>(post.xact->payee.c_str())
+        << integer_gen() << post.xact->payee.c_str();
+
     sha.Reset();
-    sha << post.xact->payee.c_str();
+    sha << buf.str().c_str();
     sha.Result(message_digest);
 
     xact.payee = to_hex(message_digest);
@@ -283,8 +287,11 @@ void anonymize_posts::operator()(post_t& post)
   for (account_t * acct = post.account;
        acct;
        acct = acct->parent) {
+    std::ostringstream buf;
+    buf << integer_gen() << acct << acct->fullname();
+
     sha.Reset();
-    sha << acct->name.c_str();
+    sha << buf.str().c_str();
     sha.Result(message_digest);
 
     account_names.push_front(to_hex(message_digest));
@@ -296,9 +303,7 @@ void anonymize_posts::operator()(post_t& post)
   temp.note = none;
   temp.add_flags(POST_ANONYMIZED);
 
-  DEBUG("foo", "1.rendering amount: " << temp.amount);
   render_commodity(temp.amount);
-  DEBUG("foo", "2.rendering amount: " << temp.amount);
   if (temp.amount.has_annotation()) {
     temp.amount.annotation().tag = none;
     if (temp.amount.annotation().price)
diff --git a/src/filters.h b/src/filters.h
index e981dcd4..0f414151 100644
--- a/src/filters.h
+++ b/src/filters.h
@@ -334,18 +334,26 @@ public:
 
 class anonymize_posts : public item_handler<post_t>
 {
-  typedef std::map<commodity_t *, std::size_t> commodity_index_map;
+  typedef std::map<commodity_t *, std::size_t>        commodity_index_map;
+  typedef variate_generator<mt19937&, uniform_int<> > int_generator_t;
 
   temporaries_t       temps;
   commodity_index_map comms;
   std::size_t         next_comm_id;
   xact_t *            last_xact;
+  mt19937             rnd_gen;
+  uniform_int<>       integer_range;
+  int_generator_t     integer_gen;
 
   anonymize_posts();
 
 public:
   anonymize_posts(post_handler_ptr handler)
-    : item_handler<post_t>(handler), next_comm_id(0), last_xact(NULL) {
+    : item_handler<post_t>(handler), next_comm_id(0), last_xact(NULL),
+      rnd_gen(static_cast<unsigned int>(reinterpret_cast<uintmax_t>(this) +
+                                        static_cast<uintmax_t>(std::time(0)))),
+      integer_range(1, 2000000000L),
+      integer_gen(rnd_gen, integer_range) {
     TRACE_CTOR(anonymize_posts, "post_handler_ptr");
   }
   virtual ~anonymize_posts() {