bogofilter patch for UNSURE-tag in subject line

[Burkhard Kaas]

Hello,

we have patched bogofilter to tag unsure mails in the subject line:


*** ./bogofilter.cf.example Thu Oct  2 13:29:51 2003
--- ../bogofilter-0.15.7/./bogofilter.cf.example Mon Dec  1 13:00:46 2003
***************
*** 48,57 ****

  #### SPAM_SUBJECT_TAG
  #
! # tag added to "Subject: " line for identifying spam
  # default is to add nothing.

  ##spam_subject_tag=***SPAM***


  ##### STATS_IN_HEADER
--- 48,58 ----

  #### SPAM_SUBJECT_TAG
  #
! # tag added to "Subject: " line for identifying spam or unsure
  # default is to add nothing.

  ##spam_subject_tag=***SPAM***
+ ##unsure_subject_tag=???SPAM???


  ##### STATS_IN_HEADER
*** ./src/format.h Fri Aug 29 14:43:31 2003
--- ../bogofilter-0.15.7/./src/format.h Mon Dec  1 12:28:27 2003
***************
*** 11,16 ****
--- 11,17 ----

  extern const char *spam_header_name;
  extern const char *spam_subject_tag;
+ extern const char *unsure_subject_tag;

  /* needed by bogoconfig.c */

*** ./src/format.c Sun Sep  7 01:52:23 2003
--- ../bogofilter-0.15.7/./src/format.c Mon Dec  1 12:29:16 2003
***************
*** 46,51 ****
--- 46,52 ----

  const char *spam_header_name = SPAM_HEADER_NAME; /* used by lexer */
  const char *spam_subject_tag = NULL;   /* used in passthrough mode */
+ const char *unsure_subject_tag = NULL;                  /* used in
passthrough mode */

  /*
  ** formatting characters:
***************
*** 96,101 ****
--- 97,103 ----
  {
      { "spam_header_name",  CP_STRING, { &spam_header_name } },
      { "spam_subject_tag",  CP_STRING, { &spam_subject_tag } },
+     { "unsure_subject_tag",CP_STRING, { &unsure_subject_tag } },
      { "header_format",    CP_STRING, { &header_format } },
      { "terse_format",    CP_STRING, { &terse_format } },
      { "log_header_format", CP_STRING, { &log_header_format } },
*** ./src/passthrough.c Tue Sep 30 14:37:53 2003
--- ../bogofilter-0.15.7/./src/passthrough.c Mon Dec  1 12:31:14 2003
***************
*** 178,183 ****
--- 178,194 ----
    seen_subj = 1;
    continue;
       }
+      if (status == RC_UNSURE &&
+   rd >= subjlen &&
+   unsure_subject_tag != NULL &&
+   strncasecmp(out, subjstr, subjlen) == 0) {
+   (void) fprintf(fpo, "%.*s %s", subjlen, out, unsure_subject_tag);
+   if (out[subjlen] != ' ')
+       fputc(' ', fpo);
+   (void) fwrite(out + subjlen, 1, rd - subjlen, fpo);
+   seen_subj = 1;
+   continue;
+      }

       hadlf = (out[rd-1] == '\n');
       (void) fwrite(out, 1, rd, fpo);
***************
*** 208,213 ****
--- 219,229 ----
      if (passthrough && !seen_subj &&
   status == RC_SPAM && spam_subject_tag != NULL) {
   (void) fprintf(fpo, "Subject: %s\n", spam_subject_tag);
+     }
+
+     if (passthrough && !seen_subj &&
+  status == RC_UNSURE && unsure_subject_tag != NULL) {
+  (void) fprintf(fpo, "Subject: %s\n", unsure_subject_tag);
      }

      if (passthrough) {