/***
 * readpst.c
 * Part of the LibPST project
 * Written by David Smith
 *            dave.s@earthcorp.com
 */
// Includes {{{1
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include <ctype.h>
#include <limits.h>
#include <errno.h>

#ifndef _WIN32
# include <unistd.h>
# include <sys/stat.h> //mkdir

// for reading of directory and clearing in function mk_seperate_dir
# include <sys/types.h>
# include <dirent.h>
#else
# include <direct.h>
# define chdir _chdir
# define int32_t __int32
#endif

#ifndef __GNUC__
# include "XGetopt.h"
#endif

#include "libstrfunc.h" // for base64_encoding

#include "define.h"
#include "libpst.h"
#include "common.h"
#include "timeconv.h"
#include "lzfu.h"
// }}}1
// Defines {{{1
#define OUTPUT_TEMPLATE "%s"
#define OUTPUT_KMAIL_DIR_TEMPLATE ".%s.directory"
#define KMAIL_INDEX ".%s.index"

#define VERSION "0.5.1"
// max size of the c_time char*. It will store the date of the email
#define C_TIME_SIZE 500
#define PERM_DIRS 0777

// macro used for creating directories
#ifndef WIN32
#define D_MKDIR(x) mkdir(x, PERM_DIRS)
#else
#define D_MKDIR(x) mkdir(x)
#endif
// }}}1
// struct file_ll {{{1
struct file_ll {
  char *name;
  char *dname;
  FILE * output;
  int32_t stored_count;
  int32_t email_count;
  int32_t skip_count;
  int32_t type;
  struct file_ll *next;
};
// }}}1
// Function Declarations {{{1
void  write_email_body(FILE *f, char *body);
char *removeCR (char *c);
int32_t   usage();
int32_t   version();
char *mk_kmail_dir(char*);
int32_t   close_kmail_dir();
char *mk_recurse_dir(char*);
int32_t   close_recurse_dir();
char *mk_seperate_dir(char *dir, int overwrite);
int32_t   close_seperate_dir();
int32_t   mk_seperate_file(struct file_ll *f);
char *my_stristr(char *haystack, char *needle);
char *check_filename(char *fname);
char *rfc2426_escape(char *str);
int32_t chr_count(char *str, char x);
char *rfc2425_datetime_format(FILETIME *ft);
char *rfc2445_datetime_format(FILETIME *ft);
char *skip_header_prologue(char *headers);
// }}}1
// Global Variables {{{1
char *prog_name;
char *output_dir = ".";
char *kmail_chdir = NULL;
// }}}1
// More Defines {{{1
// Normal mode just creates mbox format files in the current directory. Each file is named
// the same as the folder's name that it represents
#define MODE_NORMAL 0
// KMail mode creates a directory structure suitable for being used directly
// by the KMail application
#define MODE_KMAIL 1
// recurse mode creates a directory structure like the PST file. Each directory
// contains only one file which stores the emails in mbox format.
#define MODE_RECURSE 2
// seperate mode is similar directory structure to RECURSE. The emails are stored in
// seperate files, numbering from 1 upward. Attachments belonging to the emails are
// saved as email_no-filename (e.g. 1-samplefile.doc or 000001-Attachment2.zip)
#define MODE_SEPERATE 3


// Output Normal just prints the standard information about what is going on
#define OUTPUT_NORMAL 0
// Output Quiet is provided so that only errors are printed
#define OUTPUT_QUIET 1

// default mime-type for attachments that have a null mime-type
#define MIME_TYPE_DEFAULT "application/octet-stream"


// output mode for contacts
#define CMODE_VCARD 0
#define CMODE_LIST  1

// output settings for RTF bodies
// filename for the attachment
#define RTF_ATTACH_NAME "rtf-body.rtf"
// mime type for the attachment
#define RTF_ATTACH_TYPE "application/rtf"
// }}}1
// int main(int argc, char** argv) {{{1
int main(int argc, char** argv) {
  // declarations {{{2
  pst_item *item = NULL;
  pst_file pstfile;
  pst_desc_ll *d_ptr;
  char * fname = NULL;
  time_t em_time;
  char * c_time, *d_log=NULL;
  int c,x;
  int mode = MODE_NORMAL;
  int output_mode = OUTPUT_NORMAL;
  int contact_mode = CMODE_VCARD;
  int overwrite = 0;
  int base64_body = 0;
  //  int encrypt = 0;
  FILE *fp;
  char *enc; // base64 encoded attachment
  char *boundary = NULL, *b1, *b2; // the boundary marker between multipart sections
  char *temp = NULL; //temporary char pointer
  int attach_num = 0;
  int skip_child = 0;
  struct file_ll  *f, *head;
  prog_name = argv[0];
  // }}}2

  while ((c = getopt(argc, argv, "d:hko:qrSVwc:"))!= -1) {
    switch (c) {
    case 'c':
      if (optarg!=NULL && optarg[0]=='v')
    contact_mode=CMODE_VCARD;
      else if (optarg!=NULL && optarg[0]=='l')
    contact_mode=CMODE_LIST;
      else {
    usage();
    exit(0);
      }
      break;
    case 'd':
      d_log = optarg;
      break;
    case 'h':
      usage();
      exit(0);
      break;
    case 'V':
      version();
      exit(0);
      break;
    case 'k':
      mode = MODE_KMAIL;
      break;
    case 'o':
      output_dir = optarg;
      break;
    case 'q':
      output_mode = OUTPUT_QUIET;
      break;
    case 'r':
      mode = MODE_RECURSE;
      break;
    case 'S':
      mode = MODE_SEPERATE;
      break;
    case 'w':
      overwrite = 1;
      break;
    default:
      usage();
      exit(1);
      break;
    }
  }

#ifdef DEBUG_ALL
  // initialize log file
  if (d_log == NULL)
    d_log = "readpst.log";
  DEBUG_INIT(d_log);
  DEBUG_REGISTER_CLOSE();
#endif // defined DEBUG_ALL

  DEBUG_ENT("main");

  if (argc > optind) {
    fname = argv[optind];
  } else {
    usage();
    exit(2);
  }

  if (output_mode != OUTPUT_QUIET) printf("Opening PST file and indexes...\n");

  DEBUG_MAIN(("main: Opening PST file '%s'\n", fname));
  RET_DERROR(pst_open(&pstfile, fname, "r"), 1, ("Error opening File\n"));
  DEBUG_MAIN(("main: Loading Indexes\n"));
  RET_DERROR(pst_load_index(&pstfile), 2, ("Index Error\n"));
  DEBUG_MAIN(("processing file items\n"));

  pst_load_extended_attributes(&pstfile);

  if (chdir(output_dir)) {
    x = errno;
    pst_close(&pstfile);
    DIE(("main: Cannot change to output dir %s: %s\n", output_dir, strerror(x)));
  }

  if (output_mode != OUTPUT_QUIET) printf("About to start processing first record...\n");

  d_ptr = pstfile.d_head; // first record is main record
  if ((item = _pst_parse_item(&pstfile, d_ptr)) == NULL || item->message_store == NULL) {
    DIE(("main: Could not get root record\n"));
  }

   // default the file_as to the same as the main filename if it doesn't exist
  if (item->file_as == NULL) {
    if ((temp = strrchr(fname, '/')) == NULL)
      if ((temp = strrchr(fname, '\\')) == NULL)
    temp = fname;
      else
    temp++; // get past the "\\"
    else
      temp++; // get past the "/"
    item->file_as = (char*)xmalloc(strlen(temp)+1);
    strcpy(item->file_as, temp);
    DEBUG_MAIN(("file_as was blank, so am using %s\n", item->file_as));
  }
  DEBUG_MAIN(("main: Root Folder Name: %s\n", item->file_as));


  f = (struct file_ll*) malloc(sizeof(struct file_ll));
  memset(f, 0, sizeof(struct file_ll));
  f->email_count = 0;
  f->skip_count = 0;
  f->next = NULL;
  head = f;
  if (mode == MODE_KMAIL)
    f->name = mk_kmail_dir(item->file_as);
  else if (mode == MODE_RECURSE)
    f->name = mk_recurse_dir(item->file_as);
  else if (mode == MODE_SEPERATE) {
    // do similar stuff to recurse here.
    mk_seperate_dir(item->file_as, overwrite);
    f->name = (char*) xmalloc(10);
    sprintf(f->name, "%09i", f->email_count);
  } else {
    f->name = (char*) malloc(strlen(item->file_as)+strlen(OUTPUT_TEMPLATE)+1);
    sprintf(f->name, OUTPUT_TEMPLATE, item->file_as);
  }

  f->dname = (char*) malloc(strlen(item->file_as)+1);
  strcpy(f->dname, item->file_as);

  if (overwrite != 1 && mode != MODE_SEPERATE) {
    // if overwrite is set to 1 we keep the existing name and don't modify anything
    // we don't want to go changing the file name of the SEPERATE items
    temp = (char*) malloc (strlen(f->name)+10); //enough room for 10 digits
    sprintf(temp, "%s", f->name);
    temp = check_filename(temp);
    x = 0;
    while ((f->output = fopen(temp, "r")) != NULL) {
      DEBUG_MAIN(("main: need to increase filename cause one already exists with that name\n"));
      DEBUG_MAIN(("main: - increasing it to %s%d\n", f->name, x));
      x++;
      sprintf(temp, "%s%08d", f->name, x);
      DEBUG_MAIN(("main: - trying \"%s\"\n", temp));
      if (x == 99999999) {
    DIE(("main: Why can I not create a folder %s? I have tried %i extensions...\n", f->name, x));
      }
      fclose(f->output);
    }
    if (x > 0) { //then the f->name should change
      free (f->name);
      f->name = temp;
    } else {
      free (temp);
    }
  }
  if (mode != MODE_SEPERATE) {
    f->name = check_filename(f->name);
    if ((f->output = fopen(f->name, "w")) == NULL) {
      DIE(("main: Could not open file \"%s\" for write\n", f->name));
    }
  }
  f->type = item->type;

  if ((d_ptr = pst_getTopOfFolders(&pstfile, item)) == NULL) {
    DIE(("Top of folders record not found. Cannot continue\n"));
  }

  if (item){
    _pst_freeItem(item);
    item = NULL;
  }

  /*  if ((item = _pst_parse_item(&pstfile, d_ptr)) == NULL || item->folder == NULL) {
    DEBUG_MAIN(("main: Could not get \"Top Of Personal Folder\" record\n"));
    return -2;
    }*/
  d_ptr = d_ptr->child; // do the children of TOPF

  if (output_mode != OUTPUT_QUIET) printf("Processing items...\n");

  DEBUG_MAIN(("main: About to do email stuff\n"));
  while (d_ptr != NULL) {
    DEBUG_MAIN(("main: New item record\n"));
    if (d_ptr->desc == NULL) {
      DEBUG_WARN(("main: ERROR ?? item's desc record is NULL\n"));
      f->skip_count++;
      goto check_parent;
    }
    DEBUG_MAIN(("main: Desc Email ID %#x [d_ptr->id = %#x]\n", d_ptr->desc->id, d_ptr->id));

    item = _pst_parse_item(&pstfile, d_ptr);
    DEBUG_MAIN(("main: About to process item\n"));
    if (item != NULL && item->email != NULL && item->email->subject != NULL &&
    item->email->subject->subj != NULL) {
      //      DEBUG_EMAIL(("item->email->subject = %p\n", item->email->subject));
      //      DEBUG_EMAIL(("item->email->subject->subj = %p\n", item->email->subject->subj));
    }
    if (item != NULL) {
      if (item->message_store != NULL) {
    // there should only be one message_store, and we have already done it
    DIE(("main: A second message_store has been found. Sorry, this must be an error.\n"));
      }


      if (item->folder != NULL) {
    // Process Folder item {{{2
    // if this is a folder, we want to recurse into it
    if (output_mode != OUTPUT_QUIET) printf("Processing Folder \"%s\"\n", item->file_as);
    //  f->email_count++;
    DEBUG_MAIN(("main: I think I may try to go into folder \"%s\"\n", item->file_as));
    f = (struct file_ll*) malloc(sizeof(struct file_ll));
    memset(f, 0, sizeof(struct file_ll));

    f->next = head;
    f->email_count = 0;
    f->type = item->type;
    f->stored_count = item->folder->email_count;
    head = f;

    temp = item->file_as;
    temp = check_filename(temp);

    if (mode == MODE_KMAIL)
      f->name = mk_kmail_dir(item->file_as); //create directory and form filename
    else if (mode == MODE_RECURSE)
      f->name = mk_recurse_dir(item->file_as);
    else if (mode == MODE_SEPERATE) {
      // do similar stuff to recurse here.
      mk_seperate_dir(item->file_as, overwrite);
      f->name = (char*) xmalloc(10);
      memset(f->name, 0, 10);
      //        sprintf(f->name, "%09i", f->email_count);
    } else {
      f->name = (char*) xmalloc(strlen(item->file_as)+strlen(OUTPUT_TEMPLATE+1));
      sprintf(f->name, OUTPUT_TEMPLATE, item->file_as);
    }

    f->dname = (char*) xmalloc(strlen(item->file_as)+1);
    strcpy(f->dname, item->file_as);

    if (overwrite != 1) {
      temp = (char*) xmalloc (strlen(f->name)+10); //enough room for 10 digits
      sprintf(temp, "%s", f->name);
      x = 0;
      temp = check_filename(temp);
      while ((f->output = fopen(temp, "r")) != NULL) {
        DEBUG_MAIN(("main: need to increase filename cause one already exists with that name\n"));
        DEBUG_MAIN(("main: - increasing it to %s%d\n", f->name, x));
        x++;
        sprintf(temp, "%s%08d", f->name, x);
        DEBUG_MAIN(("main: - trying \"%s\"\n", f->name));
        if (x == 99999999) {
          DIE(("main: Why can I not create a folder %s? I have tried %i extensions...\n", f->name, x));
        }
        fclose(f->output);
      }
      if (x > 0) { //then the f->name should change
        free (f->name);
        f->name = temp;
      } else {
        free(temp);
      }
    }

    DEBUG_MAIN(("main: f->name = %s\nitem->folder_name = %s\n", f->name, item->file_as));
    if (mode != MODE_SEPERATE) {
      f->name = check_filename(f->name);
      if ((f->output = fopen(f->name, "w")) == NULL) {
        DIE(("main: Could not open file \"%s\" for write\n", f->name));
      }
    }
    if (d_ptr->child != NULL) {
      d_ptr = d_ptr->child;
      skip_child = 1;
    } else {
      DEBUG_MAIN(("main: Folder has NO children. Creating directory, and closing again\n"));
      if (output_mode != OUTPUT_QUIET)
        printf("\tNo items to process in folder \"%s\", should have been %i\n", f->dname, f->stored_count);
      head = f->next;
      if (f->output != NULL)
        fclose(f->output);
      if (mode == MODE_KMAIL)
        close_kmail_dir();
      else if (mode == MODE_RECURSE)
        close_recurse_dir();
      else if (mode == MODE_SEPERATE)
        close_seperate_dir();
      free(f->dname);
      free(f->name);
      free(f);

      f = head;
    }
    _pst_freeItem(item);
    item = NULL; // just for the odd situations!
    goto check_parent;
    // }}}2
      } else if (item->contact != NULL) {
    // Process Contact item {{{2
    // deal with a contact
    // write them to the file, one per line in this format
    // Desc Name <email@address>\n
    if (mode == MODE_SEPERATE) {
      mk_seperate_file(f);
    }
    f->email_count++;

    DEBUG_MAIN(("main: Processing Contact\n"));
    if (f->type != PST_TYPE_CONTACT) {
      DEBUG_MAIN(("main: I have a contact, but the folder isn't a contacts folder. "
             "Will process anyway\n"));
    }
    if (item->type != PST_TYPE_CONTACT) {
      DEBUG_MAIN(("main: I have an item that has contact info, but doesn't say that"
             " it is a contact. Type is \"%s\"\n", item->ascii_type));
      DEBUG_MAIN(("main: Processing anyway\n"));
    }
    if (item->contact == NULL) { // this is an incorrect situation. Inform user
      DEBUG_MAIN(("main: ERROR. This contact has not been fully parsed. one of the pre-requisties is NULL\n"));
    } else {
      if (contact_mode == CMODE_VCARD) {
        // the specification I am following is (hopefully) RFC2426 vCard Mime Directory Profile
        fprintf(f->output, "BEGIN:VCARD\n");
        fprintf(f->output, "FN:%s\n", rfc2426_escape(item->contact->fullname));
        fprintf(f->output, "N:%s;%s;%s;%s;%s\n",
            rfc2426_escape((item->contact->surname==NULL?"":item->contact->surname)),
            rfc2426_escape((item->contact->first_name==NULL?"":item->contact->first_name)),
            rfc2426_escape((item->contact->middle_name==NULL?"":item->contact->middle_name)),
            rfc2426_escape((item->contact->display_name_prefix==NULL?"":item->contact->display_name_prefix)),
            rfc2426_escape((item->contact->suffix==NULL?"":item->contact->suffix)));
        if (item->contact->nickname != NULL)
          fprintf(f->output, "NICKNAME:%s\n", rfc2426_escape(item->contact->nickname));
        if (item->contact->address1 != NULL)
          fprintf(f->output, "EMAIL:%s\n", rfc2426_escape(item->contact->address1));
        if (item->contact->address2 != NULL)
          fprintf(f->output, "EMAIL:%s\n", rfc2426_escape(item->contact->address2));
        if (item->contact->address3 != NULL)
          fprintf(f->output, "EMAIL:%s\n", rfc2426_escape(item->contact->address3));
        if (item->contact->birthday != NULL)
          fprintf(f->output, "BDAY:%s\n", rfc2425_datetime_format(item->contact->birthday));
        if (item->contact->home_address != NULL) {
          fprintf(f->output, "ADR;TYPE=home:%s;%s;%s;%s;%s;%s;%s\n",
              rfc2426_escape((item->contact->home_po_box!=NULL?item->contact->home_po_box:"")),
              "", // extended Address
              rfc2426_escape((item->contact->home_street!=NULL?item->contact->home_street:"")),
              rfc2426_escape((item->contact->home_city!=NULL?item->contact->home_city:"")),
              rfc2426_escape((item->contact->home_state!=NULL?item->contact->home_state:"")),
              rfc2426_escape((item->contact->home_postal_code!=NULL?item->contact->home_postal_code:"")),
              rfc2426_escape((item->contact->home_country!=NULL?item->contact->home_country:"")));
          fprintf(f->output, "LABEL;TYPE=home:%s\n", rfc2426_escape(item->contact->home_address));
        }
        if (item->contact->business_address != NULL) {
          fprintf(f->output, "ADR;TYPE=work:%s;%s;%s;%s;%s;%s;%s\n",
              rfc2426_escape((item->contact->business_po_box!=NULL?item->contact->business_po_box:"")),
              "", // extended Address
              rfc2426_escape((item->contact->business_street!=NULL?item->contact->business_street:"")),
              rfc2426_escape((item->contact->business_city!=NULL?item->contact->business_city:"")),
              rfc2426_escape((item->contact->business_state!=NULL?item->contact->business_state:"")),
              rfc2426_escape((item->contact->business_postal_code!=NULL?item->contact->business_postal_code:"")),
              rfc2426_escape((item->contact->business_country!=NULL?item->contact->business_country:"")));
          fprintf(f->output, "LABEL;TYPE=work:%s\n", rfc2426_escape(item->contact->business_address));
        }
        if (item->contact->other_address != NULL) {
          fprintf(f->output, "ADR;TYPE=postal:%s;%s;%s;%s;%s;%s;%s\n",
              rfc2426_escape((item->contact->other_po_box!=NULL?item->contact->business_po_box:"")),
              "", // extended Address
              rfc2426_escape((item->contact->other_street!=NULL?item->contact->other_street:"")),
              rfc2426_escape((item->contact->other_city!=NULL?item->contact->other_city:"")),
              rfc2426_escape((item->contact->other_state!=NULL?item->contact->other_state:"")),
              rfc2426_escape((item->contact->other_postal_code!=NULL?item->contact->other_postal_code:"")),
              rfc2426_escape((item->contact->other_country!=NULL?item->contact->other_country:"")));
          fprintf(f->output, "ADR;TYPE=postal:%s\n", rfc2426_escape(item->contact->other_address));
        }
        if (item->contact->business_fax != NULL)
          fprintf(f->output, "TEL;TYPE=work,fax:%s\n", rfc2426_escape(item->contact->business_fax));
        if (item->contact->business_phone != NULL)
          fprintf(f->output, "TEL;TYPE=work,voice:%s\n", rfc2426_escape(item->contact->business_phone));
        if (item->contact->business_phone2 != NULL)
          fprintf(f->output, "TEL;TYPE=work,voice:%s\n", rfc2426_escape(item->contact->business_phone2));
        if (item->contact->car_phone != NULL)
          fprintf(f->output, "TEL;TYPE=car,voice:%s\n", rfc2426_escape(item->contact->car_phone));
        if (item->contact->home_fax != NULL)
          fprintf(f->output, "TEL;TYPE=home,fax:%s\n", rfc2426_escape(item->contact->home_fax));
        if (item->contact->home_phone != NULL)
          fprintf(f->output, "TEL;TYPE=home,voice:%s\n", rfc2426_escape(item->contact->home_phone));
        if (item->contact->home_phone2 != NULL)
          fprintf(f->output, "TEL;TYPE=home,voice:%s\n", rfc2426_escape(item->contact->home_phone2));
        if (item->contact->isdn_phone != NULL)
          fprintf(f->output, "TEL;TYPE=isdn:%s\n", rfc2426_escape(item->contact->isdn_phone));
        if (item->contact->mobile_phone != NULL)
          fprintf(f->output, "TEL;TYPE=cell,voice:%s\n", rfc2426_escape(item->contact->mobile_phone));
        if (item->contact->other_phone != NULL)
          fprintf(f->output, "TEL;TYPE=msg:%s\n", rfc2426_escape(item->contact->other_phone));
        if (item->contact->pager_phone != NULL)
          fprintf(f->output, "TEL;TYPE=pager:%s\n", rfc2426_escape(item->contact->pager_phone));
        if (item->contact->primary_fax != NULL)
          fprintf(f->output, "TEL;TYPE=fax,pref:%s\n", rfc2426_escape(item->contact->primary_fax));
        if (item->contact->primary_phone != NULL)
          fprintf(f->output, "TEL;TYPE=phone,pref:%s\n", rfc2426_escape(item->contact->primary_phone));
        if (item->contact->radio_phone != NULL)
          fprintf(f->output, "TEL;TYPE=pcs:%s\n", rfc2426_escape(item->contact->radio_phone));
        if (item->contact->telex != NULL)
          fprintf(f->output, "TEL;TYPE=bbs:%s\n", rfc2426_escape(item->contact->telex));
        if (item->contact->job_title != NULL)
          fprintf(f->output, "TITLE:%s\n", rfc2426_escape(item->contact->job_title));
        if (item->contact->profession != NULL)
          fprintf(f->output, "ROLE:%s\n", rfc2426_escape(item->contact->profession));
        if (item->contact->assistant_name != NULL || item->contact->assistant_phone != NULL) {
          fprintf(f->output, "AGENT:BEGIN:VCARD\\n");
          if (item->contact->assistant_name != NULL)
        fprintf(f->output, "FN:%s\\n", rfc2426_escape(item->contact->assistant_name));
          if (item->contact->assistant_phone != NULL)
        fprintf(f->output, "TEL:%s\\n", rfc2426_escape(item->contact->assistant_phone));
          fprintf(f->output, "END:VCARD\\n\n");
        }
        if (item->contact->company_name != NULL)
          fprintf(f->output, "ORG:%s\n", rfc2426_escape(item->contact->company_name));
        if (item->comment != NULL)
          fprintf(f->output, "NOTE:%s\n", rfc2426_escape(item->comment));

        fprintf(f->output, "VERSION: 3.0\n");
        fprintf(f->output, "END:VCARD\n\n");
      } else {
        fprintf(f->output, "%s <%s>\n", item->contact->fullname, item->contact->address1);
      }
        }
    // }}}2
      } else if (item->email != NULL &&
         (item->type == PST_TYPE_NOTE || item->type == PST_TYPE_REPORT)) {
    // Process Email item {{{2
    if (mode == MODE_SEPERATE) {
      mk_seperate_file(f);
    }

    f->email_count++;

    DEBUG_MAIN(("main: seen an email\n"));

    // convert the sent date if it exists, or set it to a fixed date
    if (item->email->sent_date != NULL) {
      em_time = fileTimeToUnixTime(item->email->sent_date, 0);
      c_time = ctime(&em_time);
      if (c_time != NULL)
        c_time[strlen(c_time)-1] = '\0'; //remove end \n
      else
        c_time = "Fri Dec 28 12:06:21 2001";
    } else
      c_time= "Fri Dec 28 12:06:21 2001";

    // if the boundary is still set from the previous run, then free it
    if (boundary != NULL) {
      free (boundary);
      boundary = NULL;
    }

    // we will always look at the header to discover some stuff
    if (item->email->header != NULL ) {
      // see if there is a boundary variable there
      // this search MUST be made case insensitive (DONE).
      // Also, some check to find out if we
      // are looking at the boundary associated with content-type, and that the content
      // type really is "multipart"
      if ((b2 = my_stristr(item->email->header, "boundary=")) != NULL) {
        b2 += strlen("boundary="); // move boundary to first char of marker

        if (*b2 == '"') {
          b2++;
          b1 = strchr(b2, '"'); // find terminating quote
        } else {
          b1 = b2;
          while (isgraph(*b1)) // find first char that isn't part of boundary
        b1++;
        }

        boundary = malloc ((b1-b2)+1); //malloc that length
        memset (boundary, 0, (b1-b2)+1);  // blank it
        strncpy(boundary, b2, b1-b2); // copy boundary to another variable
        b1 = b2 = boundary;
        while (*b2 != '\0') { // remove any CRs and Tabs
          if (*b2 != '\n' && *b2 != '\r' && *b2 != '\t') {
        *b1 = *b2;
        b1++;
          }
          b2++;
        }
        *b1 = '\0';

        DEBUG_MAIN(("main: Found boundary of - %s\n", boundary));
      } else {

        DEBUG_MAIN(("main: boundary not found in header\n"));
      }

      // also possible to set 7bit encoding detection here.
      if ((b2 = my_stristr(item->email->header, "Content-Transfer-Encoding:")) != NULL) {
        if ((b2 = strchr(b2, ':')) != NULL) {
          b2++; // skip to the : at the end of the string

          while (*b2 == ' ' || *b2 == '\t')
        b2++;
          if (pst_strincmp(b2, "base64", 6)==0) {
        DEBUG_MAIN(("body is base64 encoded\n"));
        base64_body = 1;
          }
        } else {
          DEBUG_WARN(("found a ':' during the my_stristr, but not after that..\n"));
        }
      }

    }
    if (boundary == NULL && (item->attach ||(item->email->body && item->email->htmlbody)
                 || item->email->rtf_compressed || item->email->encrypted_body
                 || item->email->encrypted_htmlbody)) {
      // we need to create a boundary here.
      DEBUG_EMAIL(("main: must create own boundary. oh dear.\n"));
      boundary = malloc(50 * sizeof(char)); // allow 50 chars for boundary
      boundary[0] = '\0';
      sprintf(boundary, "--boundary-LibPST-iamunique-%i_-_-", rand());
      DEBUG_EMAIL(("main: created boundary is %s\n", boundary));
    }

    DEBUG_MAIN(("main: About to print Header\n"));

    if (item != NULL && item->email != NULL && item->email->subject != NULL &&
        item->email->subject->subj != NULL) {
      DEBUG_EMAIL(("item->email->subject->subj = %p\n", item->email->subject->subj));
    }
    if (item->email->header != NULL) {
      // some of the headers we get from the file are not properly defined.
      // they can contain some email stuff too. We will cut off the header
      // when we see a \n\n or \r\n\r\n

      removeCR(item->email->header);

      temp = strstr(item->email->header, "\n\n");

      if (temp != NULL) {
        DEBUG_MAIN(("main: Found body text in header\n"));
        temp += 2; // get past the \n\n
        *temp = '\0';
      }

      if (mode != MODE_SEPERATE) {
        char *soh = NULL;  // real start of headers.
        // don't put rubbish in if we are doing seperate
        fprintf(f->output, "From \"%s\" %s\n", item->email->outlook_sender_name, c_time);
        soh = skip_header_prologue(item->email->header);
        fprintf(f->output, "%s\n\n", soh);
      } else {
        fprintf(f->output, "%s\n", item->email->header);
      }
    } else {
      //make up our own header!
      if (mode != MODE_SEPERATE) {
        // don't want this first line for this mode
        if (item->email->outlook_sender_name != NULL) {
          temp = item->email->outlook_sender_name;
        } else {
          temp = "(readpst_null)";
        }
        fprintf(f->output, "From \"%s\" %s\n", temp, c_time);
      }
      if ((temp = item->email->outlook_sender) == NULL)
        temp = "";
      fprintf(f->output, "From: \"%s\" <%s>\n", item->email->outlook_sender_name, temp);
      if (item->email->subject != NULL) {
        fprintf(f->output, "Subject: %s\n", item->email->subject->subj);
      } else {
        fprintf(f->output, "Subject: \n");
      }
      fprintf(f->output, "To: %s\n", item->email->sentto_address);
      if (item->email->cc_address != NULL) {
        fprintf(f->output, "CC: %s\n", item->email->cc_address);
      }
      if (item->email->sent_date != NULL) {
        c_time = (char*) xmalloc(C_TIME_SIZE);
        strftime(c_time, C_TIME_SIZE, "%a, %d %b %Y %H:%M:%S %z", gmtime(&em_time));
        fprintf(f->output, "Date: %s\n", c_time);
        free(c_time);
      }

      fprintf(f->output, "MIME-Version: 1.0\n");
      if (item->attach != NULL) {
        // write the boundary stuff if we have attachments
        fprintf(f->output, "Content-type: multipart/mixed;\n\tboundary=\"%s\"\n",
            boundary);
      } else if (item->email->htmlbody && item->email->body) {
        // else if we have an html and text body then tell it so
        fprintf(f->output, "Content-type: multipart/alternate;\n\tboundary=\"%s\"\n",
            boundary);
      } else if (item->email->htmlbody) {
        fprintf(f->output, "Content-type: text/html\n");
      }
      fprintf(f->output, "\n");
    }


    DEBUG_MAIN(("main: About to print Body\n"));

    if (item->email->body != NULL) {
      if (boundary) {
        fprintf(f->output, "\n--%s\n", boundary);
        fprintf(f->output, "Content-type: text/plain\n\n");
        if (base64_body)
          fprintf(f->output, "Content-Transfer-Encoding: base64\n");
      }
      removeCR(item->email->body);
      if (base64_body)
        write_email_body(f->output, base64_encode(item->email->body,
                              strlen(item->email->body)));
      else
        write_email_body(f->output, item->email->body);
    }

    if (item->email->htmlbody != NULL) {
      if (boundary) {
        fprintf(f->output, "\n--%s\n", boundary);
        fprintf(f->output, "Content-type: text/html\n\n");
        if (base64_body)
          fprintf(f->output, "Content-Transfer-Encoding: base64\n");
      }
      removeCR(item->email->htmlbody);
      if (base64_body)
        write_email_body(f->output, base64_encode(item->email->htmlbody,
                              strlen(item->email->htmlbody)));
      else
        write_email_body(f->output, item->email->htmlbody);
    }

    attach_num = 0;

    if (item->email->rtf_compressed != NULL) {
      DEBUG_MAIN(("Adding RTF body as attachment\n"));
      item->current_attach = (pst_item_attach*)xmalloc(sizeof(pst_item_attach));
      memset(item->current_attach, 0, sizeof(pst_item_attach));
      item->current_attach->next = item->attach;
      item->attach = item->current_attach;
      item->current_attach->data = lzfu_decompress(item->email->rtf_compressed);
      item->current_attach->filename2 = xmalloc(strlen(RTF_ATTACH_NAME)+2);
      strcpy(item->current_attach->filename2, RTF_ATTACH_NAME);
      item->current_attach->mimetype = xmalloc(strlen(RTF_ATTACH_TYPE)+2);
      strcpy(item->current_attach->mimetype, RTF_ATTACH_TYPE);
      memcpy(&(item->current_attach->size), item->email->rtf_compressed+sizeof(int32_t), sizeof(int32_t));
      LE32_CPU(item->current_attach->size);
      //      item->email->rtf_compressed = ;
      //      attach_num++;
    }
    if (item->email->encrypted_body || item->email->encrypted_htmlbody) {
      // if either the body or htmlbody is encrypted, add them as attachments
      if (item->email->encrypted_body) {
        DEBUG_MAIN(("Adding Encrypted Body as attachment\n"));
        item->current_attach = (pst_item_attach*) xmalloc(sizeof(pst_item_attach));
        memset(item->current_attach, 0, sizeof(pst_item_attach));
        item->current_attach->next = item->attach;
        item->attach = item->current_attach;

        item->current_attach->data = item->email->encrypted_body;
        item->current_attach->size = item->email->encrypted_body_size;
        item->email->encrypted_body = NULL;
      }
      if (item->email->encrypted_htmlbody) {
        DEBUG_MAIN(("Adding encrypted HTML body as attachment\n"));
        item->current_attach = (pst_item_attach*) xmalloc(sizeof(pst_item_attach));
        memset(item->current_attach, 0, sizeof(pst_item_attach));
        item->current_attach->next = item->attach;
        item->attach = item->current_attach;

        item->current_attach->data = item->email->encrypted_htmlbody;
        item->current_attach->size = item->email->encrypted_htmlbody_size;
        item->email->encrypted_htmlbody = NULL;
      }
      write_email_body(f->output, "The body of this email is encrypted. This isn't supported yet, but the body is now an attachment\n");
    }
    base64_body = 0;
    // attachments
    item->current_attach = item->attach;
    while (item->current_attach != NULL) {
      DEBUG_MAIN(("main: Attempting Attachment encoding\n"));
      if (item->current_attach->data == NULL) {
        DEBUG_MAIN(("main: Data of attachment is NULL!. Size is supposed to be %i\n", item->current_attach->size));
      }
      if (mode == MODE_SEPERATE) {
        f->name = check_filename(f->name);
        if (item->current_attach->filename2 == NULL) {
          temp = xmalloc(strlen(f->name)+15);
          sprintf(temp, "%s-attach%i", f->name, attach_num);
        } else {
          temp = xmalloc(strlen(f->name)+strlen(item->current_attach->filename2)+15);
          fp = NULL; x=0;
          do {
        if (fp != NULL) fclose(fp);
        if (x == 0)
          sprintf(temp, "%s-%s", f->name, item->current_attach->filename2);
        else
          sprintf(temp, "%s-%s-%i", f->name, item->current_attach->filename2, x);
          } while ((fp = fopen(temp, "r"))!=NULL && ++x < 99999999);
          if (x > 99999999) {
            DIE(("error finding attachment name. exhausted possibilities to %s\n", temp));
          }
        }
        DEBUG_MAIN(("main: Saving attachment to %s\n", temp));
        if ((fp = fopen(temp, "w")) == NULL) {
          WARN(("main: Cannot open attachment save file \"%s\"\n", temp));
        } else {
          if (item->current_attach->data != NULL)
        fwrite(item->current_attach->data, 1, item->current_attach->size, fp);
          else {
        pst_attach_to_file(&pstfile, item->current_attach, fp);
          }
          fclose(fp);
        }
      } else {
        DEBUG_MAIN(("main: Attachment Size is %i\n", item->current_attach->size));
        DEBUG_MAIN(("main: Attachment Pointer is %p\n", item->current_attach->data));
        if (item->current_attach->data != NULL) {
          if ((enc = base64_encode (item->current_attach->data, item->current_attach->size)) == NULL) {
        DEBUG_MAIN(("main: ERROR base64_encode returned NULL. Must have failed\n"));
        item->current_attach = item->current_attach->next;
        continue;
          }
        }
        if (boundary) {
          fprintf(f->output, "\n--%s\n", boundary);
          if (item->current_attach->mimetype == NULL) {
        fprintf(f->output, "Content-type: %s\n", MIME_TYPE_DEFAULT);
          } else {
        fprintf(f->output, "Content-type: %s\n", item->current_attach->mimetype);
          }
          fprintf(f->output, "Content-transfer-encoding: base64\n");
          if (item->current_attach->filename2 == NULL) {
        fprintf(f->output, "Content-Disposition: inline\n\n");
          } else {
        fprintf(f->output, "Content-Disposition: attachment; filename=\"%s\"\n\n",
            item->current_attach->filename2);
          }
        }
        if (item->current_attach->data != NULL) {
          fwrite(enc, 1, strlen(enc), f->output);
          DEBUG_MAIN(("Attachment Size after encoding is %i\n", strlen(enc)));
        } else {
          pst_attach_to_file_base64(&pstfile, item->current_attach, f->output);
        }
        fprintf(f->output, "\n\n");
      }
      item->current_attach = item->current_attach->next;
      attach_num++;
    }
    if (mode != MODE_SEPERATE) {
      DEBUG_MAIN(("main: Writing buffer between emails\n"));
      if (boundary)
        fprintf(f->output, "\n--%s--\n", boundary);
      fprintf(f->output, "\n\n");
    }
    // }}}2
      } else if (item->type == PST_TYPE_JOURNAL) {
    // Process Journal item {{{2
    // deal with journal items
    if (mode == MODE_SEPERATE) {
      mk_seperate_file(f);
    }
    f->email_count++;

    DEBUG_MAIN(("main: Processing Journal Entry\n"));
    if (f->type != PST_TYPE_JOURNAL) {
      DEBUG_MAIN(("main: I have a journal entry, but folder isn't specified as a journal type. Processing...\n"));
    }

    /*  if (item->type != PST_TYPE_JOURNAL) {
      DEBUG_MAIN(("main: I have an item with journal info, but it's type is \"%s\" \n. Processing...\n",
              item->ascii_type));
    }*/
    fprintf(f->output, "BEGIN:VJOURNAL\n");
    if (item->email->subject != NULL)
      fprintf(f->output, "SUMMARY:%s\n", rfc2426_escape(item->email->subject->subj));
    if (item->email->body != NULL)
      fprintf(f->output, "DESCRIPTION:%s\n", rfc2426_escape(item->email->body));
    if (item->journal->start != NULL)
      fprintf(f->output, "DTSTART;VALUE=DATE-TIME:%s\n", rfc2445_datetime_format(item->journal->start));
    fprintf(f->output, "END:VJOURNAL\n\n");
    // }}}2
      } else if (item->type == PST_TYPE_APPOINTMENT) {
    // Process Calendar Appointment item {{{2
    // deal with Calendar appointments
    if (mode == MODE_SEPERATE) {
      mk_seperate_file(f);
    }
    f->email_count++;

    DEBUG_MAIN(("main: Processing Appointment Entry\n"));
    if (f->type != PST_TYPE_APPOINTMENT) {
      DEBUG_MAIN(("main: I have an appointment, but folder isn't specified as an appointment type. Processing...\n"));
    }
    fprintf(f->output, "BEGIN:VEVENT\n");
    if (item->create_date != NULL)
      fprintf(f->output, "CREATED:%s\n", rfc2445_datetime_format(item->create_date));
    if (item->modify_date != NULL)
      fprintf(f->output, "LAST-MOD:%s\n", rfc2445_datetime_format(item->modify_date));
    if (item->email != NULL && item->email->subject != NULL)
      fprintf(f->output, "SUMMARY:%s\n", rfc2426_escape(item->email->subject->subj));
    if (item->email != NULL && item->email->body != NULL)
      fprintf(f->output, "DESCRIPTION:%s\n", rfc2426_escape(item->email->body));
    if (item->appointment != NULL && item->appointment->start != NULL)
      fprintf(f->output, "DTSTART;VALUE=DATE-TIME:%s\n", rfc2445_datetime_format(item->appointment->start));
    if (item->appointment != NULL && item->appointment->end != NULL)
      fprintf(f->output, "DTEND;VALUE=DATE-TIME:%s\n", rfc2445_datetime_format(item->appointment->end));
    if (item->appointment != NULL && item->appointment->location != NULL)
      fprintf(f->output, "LOCATION:%s\n", rfc2426_escape(item->appointment->location));
    if (item->appointment != NULL) {
      switch (item->appointment->showas) {
      case PST_FREEBUSY_TENTATIVE:
        fprintf(f->output, "STATUS:TENTATIVE\n");
        break;
      case PST_FREEBUSY_FREE:
        // mark as transparent and as confirmed
        fprintf(f->output, "TRANSP:TRANSPARENT\n");
      case PST_FREEBUSY_BUSY:
      case PST_FREEBUSY_OUT_OF_OFFICE:
        fprintf(f->output, "STATUS:CONFIRMED\n");
        break;
      }
      switch (item->appointment->label) {
      case PST_APP_LABEL_NONE:
        fprintf(f->output, "CATEGORIES:NONE\n"); break;
      case PST_APP_LABEL_IMPORTANT:
        fprintf(f->output, "CATEGORIES:IMPORTANT\n"); break;
      case PST_APP_LABEL_BUSINESS:
        fprintf(f->output, "CATEGORIES:BUSINESS\n"); break;
      case PST_APP_LABEL_PERSONAL:
        fprintf(f->output, "CATEGORIES:PERSONAL\n"); break;
      case PST_APP_LABEL_VACATION:
        fprintf(f->output, "CATEGORIES:VACATION\n"); break;
      case PST_APP_LABEL_MUST_ATTEND:
        fprintf(f->output, "CATEGORIES:MUST-ATTEND\n"); break;
      case PST_APP_LABEL_TRAVEL_REQ:
        fprintf(f->output, "CATEGORIES:TRAVEL-REQUIRED\n"); break;
      case PST_APP_LABEL_NEEDS_PREP:
        fprintf(f->output, "CATEGORIES:NEEDS-PREPARATION\n"); break;
      case PST_APP_LABEL_BIRTHDAY:
        fprintf(f->output, "CATEGORIES:BIRTHDAY\n"); break;
      case PST_APP_LABEL_ANNIVERSARY:
        fprintf(f->output, "CATEGORIES:ANNIVERSARY\n"); break;
      case PST_APP_LABEL_PHONE_CALL:
        fprintf(f->output, "CATEGORIES:PHONE-CALL\n"); break;
      }
    }
    fprintf(f->output, "END:VEVENT\n\n");
    // }}}2
      } else {
    f->skip_count++;
    DEBUG_MAIN(("main: Unknown item type. %i. Ascii1=\"%s\"\n",
           item->type, item->ascii_type));
      }
    } else {
      f->skip_count++;
      DEBUG_MAIN(("main: A NULL item was seen\n"));
    }

    DEBUG_MAIN(("main: Going to next d_ptr\n"));
    if (boundary) {
      free(boundary);
      boundary = NULL;
    }

  check_parent:
    //    _pst_freeItem(item);
    while (!skip_child && d_ptr->next == NULL && d_ptr->parent != NULL) {
      DEBUG_MAIN(("main: Going to Parent\n"));
      head = f->next;
      if (f->output != NULL)
    fclose(f->output);
      DEBUG_MAIN(("main: Email Count for folder %s is %i\n", f->dname, f->email_count));
      if (output_mode != OUTPUT_QUIET)
    printf("\t\"%s\" - %i items done, skipped %i, should have been %i\n",
           f->dname, f->email_count, f->skip_count, f->stored_count);
      if (mode == MODE_KMAIL)
    close_kmail_dir();
      else if (mode == MODE_RECURSE)
    close_recurse_dir();
      else if (mode == MODE_SEPERATE)
    close_seperate_dir();
      free(f->name);
      free(f->dname);
      free(f);
      f = head;
      if (head == NULL) { //we can't go higher. Must be at start?
    DEBUG_MAIN(("main: We are now trying to go above the highest level. We must be finished\n"));
    break; //from main while loop
      }
      d_ptr = d_ptr->parent;
      skip_child = 0;
    }

    if (item != NULL) {
      DEBUG_MAIN(("main: Freeing memory used by item\n"));
      _pst_freeItem(item);
      item = NULL;
    }

    if (!skip_child)
      d_ptr = d_ptr->next;
    else
      skip_child = 0;

    if (d_ptr == NULL) {
      DEBUG_MAIN(("main: d_ptr is now NULL\n"));
    }
  }
  if (output_mode != OUTPUT_QUIET) printf("Finished.\n");
  DEBUG_MAIN(("main: Finished.\n"));

    // Cleanup {{{2
  pst_close(&pstfile);
  //  fclose(pstfile.fp);
  while (f != NULL) {
    if (f->output != NULL)
     fclose(f->output);
    free(f->name);
    free(f->dname);

    if (mode == MODE_KMAIL)
      close_kmail_dir();
    else if (mode == MODE_RECURSE)
      close_recurse_dir();
    else if (mode == MODE_SEPERATE)
      // DO SOMETHING HERE
      ;
    head = f->next;
    free (f);
    f = head;
  }

  DEBUG_RET();
    // }}}2

  return 0;
}
// }}}1
// void write_email_body(FILE *f, char *body) {{{1
void write_email_body(FILE *f, char *body) {
  char *n = body;
  //  DEBUG_MAIN(("write_email_body(): \"%s\"\n", body));
  DEBUG_ENT("write_email_body");
  while (n != NULL) {
    if (strncmp(body, "From ", 5) == 0)
      fprintf(f, ">");
    if ((n = strchr(body, '\n'))) {
      n++;
      fwrite(body, n-body, 1, f); //write just a line

      body = n;
    }
  }
  fwrite(body, strlen(body), 1, f);
  DEBUG_RET();
}
// }}}1
// char *removeCR (char *c) {{{1
char *removeCR (char *c) {
  // converts /r/n to /n
  char *a, *b;
  DEBUG_ENT("removeCR");
  a = b = c;
  while (*a != '\0') {
    *b = *a;
    if (*a != '\r')
      b++;
    a++;
  }
  *b = '\0';
  DEBUG_RET();
  return c;
}
// }}}1
// int usage() {{{1
int usage() {
  DEBUG_ENT("usage");
  version();
  printf("Usage: %s [OPTIONS] {PST FILENAME}\n", prog_name);
  printf("OPTIONS:\n");
  printf("\t-c[v|l]\t- Set the Contact output mode. -cv = VCard, -cl = EMail list\n");
  printf("\t-d\t- Debug to file. This is a binary log. Use readlog to print it\n");
  printf("\t-h\t- Help. This screen\n");
  printf("\t-k\t- KMail. Output in kmail format\n");
  printf("\t-o\t- Output Dir. Directory to write files to. CWD is changed *after* opening pst file\n");
  printf("\t-q\t- Quiet. Only print error messages\n");
  printf("\t-r\t- Recursive. Output in a recursive format\n");
  printf("\t-S\t- Seperate. Write emails in the seperate format\n");
  printf("\t-V\t- Version. Display program version\n");
  printf("\t-w\t- Overwrite any output mbox files\n");
  DEBUG_RET();
  return 0;
}
// }}}1
// int version() {{{1
int version() {
  DEBUG_ENT("version");
  printf("ReadPST v%s implementing LibPST v%s\n", VERSION, PST_VERSION);
#if BYTE_ORDER == BIG_ENDIAN
  printf("Big Endian implementation being used.\n");
#elif BYTE_ORDER == LITTLE_ENDIAN
  printf("Little Endian implementation being used.\n");
#else
#  error "Byte order not supported by this library"
#endif
#ifdef __GNUC__
  printf("GCC %d.%d : %s %s\n", __GNUC__, __GNUC_MINOR__, __DATE__, __TIME__);
#endif
  DEBUG_RET();
  return 0;
}
// }}}1
// char *mk_kmail_dir(char *fname) {{{1
char *mk_kmail_dir(char *fname) {
  //change to that directory
  //make a directory based on OUTPUT_KMAIL_DIR_TEMPLATE
  //allocate space for OUTPUT_TEMPLATE and form a char* with fname
  //return that value
  char *dir, *out_name, *index;
  int x;
  DEBUG_ENT("mk_kmail_dir");
  if (kmail_chdir != NULL && chdir(kmail_chdir)) {
    x = errno;
    DIE(("mk_kmail_dir: Cannot change to directory %s: %s\n", kmail_chdir, strerror(x)));
  }
  dir = malloc(strlen(fname)+strlen(OUTPUT_KMAIL_DIR_TEMPLATE)+1);
  sprintf(dir, OUTPUT_KMAIL_DIR_TEMPLATE, fname);
  dir = check_filename(dir);
  if (D_MKDIR(dir)) {
    //error occured
    if (errno != EEXIST) {
      x = errno;
      DIE(("mk_kmail_dir: Cannot create directory %s: %s\n", dir, strerror(x)));
    }
  }
  kmail_chdir = realloc(kmail_chdir, strlen(dir)+1);
  strcpy(kmail_chdir, dir);
  free (dir);

  //we should remove any existing indexes created by KMail, cause they might be different now
  index = malloc(strlen(fname)+strlen(KMAIL_INDEX)+1);
  sprintf(index, KMAIL_INDEX, fname);
  unlink(index);
  free(index);

  out_name = malloc(strlen(fname)+strlen(OUTPUT_TEMPLATE)+1);
  sprintf(out_name, OUTPUT_TEMPLATE, fname);
  DEBUG_RET();
  return out_name;
}
// }}}1
// int close_kmail_dir() {{{1
int close_kmail_dir() {
  // change ..
  int x;
  DEBUG_ENT("close_kmail_dir");
  if (kmail_chdir != NULL) { //only free kmail_chdir if not NULL. do not change directory
    free(kmail_chdir);
    kmail_chdir = NULL;
  } else {
    if (chdir("..")) {
      x = errno;
      DIE(("close_kmail_dir: Cannot move up dir (..): %s\n", strerror(x)));
    }
  }
  DEBUG_RET();
  return 0;
}
// }}}1
// char *mk_recurse_dir(char *dir) {{{1
// this will create a directory by that name, then make an mbox file inside
// that dir.  any subsequent dirs will be created by name, and they will
// contain mbox files
char *mk_recurse_dir(char *dir) {
  int x;
  char *out_name;
  DEBUG_ENT("mk_recurse_dir");
  dir = check_filename(dir);
  if (D_MKDIR (dir)) {
    if (errno != EEXIST) { // not an error because it exists
      x = errno;
      DIE(("mk_recurse_dir: Cannot create directory %s: %s\n", dir, strerror(x)));
    }
  }
  if (chdir (dir)) {
    x = errno;
    DIE(("mk_recurse_dir: Cannot change to directory %s: %s\n", dir, strerror(x)));
  }
  out_name = malloc(strlen("mbox")+1);
  strcpy(out_name, "mbox");
  DEBUG_RET();
  return out_name;
}
// }}}1
// int close_recurse_dir() {{{1
int close_recurse_dir() {
  int x;
  DEBUG_ENT("close_recurse_dir");
  if (chdir("..")) {
    x = errno;
    DIE(("close_recurse_dir: Cannot go up dir (..): %s\n", strerror(x)));
  }
  DEBUG_RET();
  return 0;
}
// }}}1
// char *mk_seperate_dir(char *dir, int overwrite) {{{1
char *mk_seperate_dir(char *dir, int overwrite) {
#if !defined(WIN32) && !defined(__CYGWIN__)
  DIR * sdir = NULL;
  struct dirent *dirent = NULL;
  struct stat *filestat = xmalloc(sizeof(struct stat));
#endif

  char *dir_name = NULL;
  int x = 0, y = 0;
  DEBUG_ENT("mk_seperate_dir");
  /*#if defined(WIN32) || defined(__CYGWIN__)
  DIE(("mk_seperate_dir: Win32 applications cannot use this function yet.\n"));
  #endif*/

  dir_name = xmalloc(strlen(dir)+10);

  do {
    if (y == 0)
      sprintf(dir_name, "%s", dir);
    else
      sprintf(dir_name, "%s%09i", dir, y); // enough for 9 digits allocated above

    dir_name = check_filename(dir_name);
    DEBUG_MAIN(("mk_seperate_dir: about to try creating %s\n", dir_name));
    if (D_MKDIR(dir_name)) {
      if (errno != EEXIST) { // if there is an error, and it doesn't already exist
    x = errno;
    DIE(("mk_seperate_dir: Cannot create directory %s: %s\n", dir, strerror(x)));
      }
    } else {
      break;
    }
    y++;
  } while (overwrite == 0);

  if (chdir (dir_name)) {
    x = errno;
    DIE(("mk_recurse_dir: Cannot change to directory %s: %s\n", dir, strerror(x)));
  }

  if (overwrite) {
    // we should probably delete all files from this directory
#if !defined(WIN32) && !defined(__CYGWIN__)
    if ((sdir = opendir("./")) == NULL) {
      WARN(("mk_seperate_dir: Cannot open dir \"%s\" for deletion of old contents\n", "./"));
    } else {
      while ((dirent = readdir(sdir)) != NULL) {
    if (lstat(dirent->d_name, filestat) != -1)
      if (S_ISREG(filestat->st_mode)) {
        if (unlink(dirent->d_name)) {
          y = errno;
          DIE(("mk_seperate_dir: unlink returned error on file %s: %s\n", dirent->d_name, strerror(y)));
        }
      }
      }
    }
#endif
  }

  // overwrite will never change during this function, it is just there so that
  //  if overwrite is set, we only go through this loop once.

  // we don't return a filename here cause it isn't necessary.
  DEBUG_RET();
  return NULL;
}
// }}}1
// int close_seperate_dir() {{{1
int close_seperate_dir() {
  int x;
  DEBUG_ENT("close_seperate_dir");
  if (chdir("..")) {
    x = errno;
    DIE(("close_seperate_dir: Cannot go up dir (..): %s\n", strerror(x)));
  }
  DEBUG_RET();
  return 0;
}
// }}}1
// int mk_seperate_file(struct file_ll *f) {{{1
int mk_seperate_file(struct file_ll *f) {
  DEBUG_ENT("mk_seperate_file");
  DEBUG_MAIN(("mk_seperate_file: opening next file to save email\n"));
  if (f->email_count > 999999999) { // bigger than nine 9's
    DIE(("mk_seperate_file: The number of emails in this folder has become too high to handle"));
  }
  sprintf(f->name, "%09i", f->email_count);
  if (f->output != NULL)
    fclose(f->output);
  f->output = NULL;
  f->name = check_filename(f->name);
  if ((f->output = fopen(f->name, "w")) == NULL) {
    DIE(("mk_seperate_file: Cannot open file to save email \"%s\"\n", f->name));
  }
  DEBUG_RET();
  return 0;
}
// }}}1
// char *my_stristr(char *haystack, char *needle) {{{1
char *my_stristr(char *haystack, char *needle) {
// my_stristr varies from strstr in that its searches are case-insensitive
  char *x=haystack, *y=needle, *z = NULL;
  DEBUG_ENT("my_stristr");
  if (haystack == NULL || needle == NULL)
    return NULL;
  while (*y != '\0' && *x != '\0') {
    if (tolower(*y) == tolower(*x)) {
      // move y on one
      y++;
      if (z == NULL) {
    z = x; // store first position in haystack where a match is made
      }
    } else {
      y = needle; // reset y to the beginning of the needle
      z = NULL; // reset the haystack storage point
    }
    x++; // advance the search in the haystack
  }
  DEBUG_RET();
  return z;
}
// }}}1
// char *check_filename(char *fname) {{{1
char *check_filename(char *fname) {
  char *t = fname;
  DEBUG_ENT("check_filename");
  if (t == NULL) {
    DEBUG_RET();
    return fname;
  }
  while ((t = strpbrk(t, "/\\:")) != NULL) {
    // while there are characters in the second string that we don't want
    *t = '_'; //replace them with an underscore
  }
  DEBUG_RET();
  return fname;
}
// }}}1
// char *rfc2426_escape(char *str) {{{1
char *rfc2426_escape(char *str) {
  static char* buf = NULL;
  char *ret, *a, *b;
  int x = 0, y, z;
  DEBUG_ENT("rfc2426_escape");
  if (str == NULL)
    ret = str;
  else {

    // calculate space required to escape all the following characters
    x = strlen(str) +(y=(chr_count(str, ',')*2) + (chr_count(str, '\\')*2) + (chr_count(str, ';')*2) + (chr_count(str, '\n')*2));
    z = chr_count(str, '\r');
    if (y == 0 && z == 0)
      // there isn't any extra space required
      ret = str;
    else {
      buf = (char*) realloc(buf, x+1);
      a = str;
      b = buf;
      while (*a != '\0') {
    switch(*a) {
    case ',' :
    case '\\':
    case ';' :
    case '\n':
      *(b++)='\\';
      *b=*a;
    break;
    case '\r':
      break;
    default:
      *b=*a;
    }
    b++;
      a++;
      }
      *b = '\0';
      ret = buf;
    }
  }
  DEBUG_RET();
  return ret;
}
// }}}1
// int chr_count(char *str, char x) {{{1
int chr_count(char *str, char x) {
  int r = 0;
  while (*str != '\0') {
    if (*str == x)
      r++;
    str++;
  }
  return r;
}
// }}}1
// char *rfc2425_datetime_format(FILETIME *ft) {{{1
char *rfc2425_datetime_format(FILETIME *ft) {
  static char * buffer = NULL;
  struct tm *stm = NULL;
  DEBUG_ENT("rfc2425_datetime_format");
  if (buffer == NULL)
    buffer = malloc(30); // should be enough for the date as defined below

  stm = fileTimeToStructTM(ft);
  //Year[4]-Month[2]-Day[2] Hour[2]:Min[2]:Sec[2]
  if (strftime(buffer, 30, "%Y-%m-%dT%H:%M:%SZ", stm)==0) {
    DEBUG_INFO(("Problem occured formatting date\n"));
  }
  DEBUG_RET();
  return buffer;
}
// }}}1
// char *rfc2445_datetime_format(FILETIME *ft) {{{1
char *rfc2445_datetime_format(FILETIME *ft) {
  static char* buffer = NULL;
  struct tm *stm = NULL;
  DEBUG_ENT("rfc2445_datetime_format");
  if (buffer == NULL)
    buffer = malloc(30); // should be enough
  stm = fileTimeToStructTM(ft);
  if (strftime(buffer, 30, "%Y%m%dT%H%M%SZ", stm)==0) {
    DEBUG_INFO(("Problem occured formatting date\n"));
  }
  DEBUG_RET();
  return buffer;
}
// }}}1
// char *skip_header_prologue(char *headers) {{{1
// The sole purpose of this function is to bypass the pseudo-header prologue
// that Microsoft Outlook inserts at the beginning of the internet email
// headers for emails stored in their "Personal Folders" files.
char *skip_header_prologue(char *headers) {
    const char *bad = "Microsoft Mail Internet Headers";

    if ( strncmp(headers, bad, strlen(bad)) == 0 ) {
        // Found the offensive header prologue
        char *pc;

        pc = strchr(headers, '\n');
        return pc + 1;
    }

    return headers;
}
// }}}1

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