/***
 * readpst.c
 * Part of the LibPST project
 * Written by David Smith
 *			  dave.s@earthcorp.com
 */
#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 "version.h"
#include "define.h"
#include "libpst.h"
#include "common.h"
#include "timeconv.h"
#include "lzfu.h"
#define OUTPUT_TEMPLATE "%s"
#define OUTPUT_KMAIL_DIR_TEMPLATE ".%s.directory"
#define KMAIL_INDEX ".%s.index"
#define SEP_MAIL_FILE_TEMPLATE "%i" /* "%09i" */

// 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
struct file_ll {
	char *name;
	char *dname;
	FILE * output;
	int32_t stored_count;
	int32_t email_count;
	int32_t skip_count;
	int32_t type;
};

void	  process(pst_item *outeritem, pst_desc_ll *d_ptr);
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);
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);
void	  write_separate_attachment(char f_name[], pst_item_attach* current_attach, int attach_num, pst_file* pst);
void	  write_inline_attachment(FILE* f_output, pst_item_attach* current_attach, char boundary[], pst_file* pst);
void	  write_normal_email(FILE* f_output, char f_name[], pst_item* item, int mode, int mode_MH, pst_file* pst, int save_rtf);
void	  write_vcard(FILE* f_output, pst_item_contact* contact, char comment[]);
void	  write_appointment(FILE* f_output, pst_item_appointment* appointment,
							pst_item_email* email, FILETIME* create_date, FILETIME* modify_date);
void	  create_enter_dir(struct file_ll* f, pst_item *item);
void	  close_enter_dir(struct file_ll *f);

char*  prog_name;
char*  output_dir = ".";
char*  kmail_chdir = NULL;
// 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"

// global settings
int mode = MODE_NORMAL;
int mode_MH = 0;
int output_mode = OUTPUT_NORMAL;
int contact_mode = CMODE_VCARD;
int overwrite = 0;
int save_rtf_body = 1;
pst_file pstfile;



void process(pst_item *outeritem, pst_desc_ll *d_ptr)
{
	struct file_ll ff;
	pst_item *item = NULL;

	DEBUG_ENT("process");
	memset(&ff, 0, sizeof(ff));
	create_enter_dir(&ff, outeritem);

	while (d_ptr) {
		DEBUG_MAIN(("main: New item record\n"));
		if (!d_ptr->desc) {
			DEBUG_WARN(("main: ERROR ?? item's desc record is NULL\n"));
			ff.skip_count++;
		}
		else {
			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 && item->email && item->email->subject && item->email->subject->subj) {
				DEBUG_EMAIL(("item->email->subject = %p\n", item->email->subject));
				DEBUG_EMAIL(("item->email->subject->subj = %p\n", item->email->subject->subj));
			}
			if (item) {
				if (item->message_store) {
					// 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 && d_ptr->child && strcasecmp(item->file_as, "Deleted Items")) {
					//if this is a non-empty folder other than deleted items, we want to recurse into it
					if (output_mode != OUTPUT_QUIET) printf("Processing Folder \"%s\"\n", item->file_as);
					process(item, d_ptr->child);

				} else if (item->contact) {
					// 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(&ff);
					ff.email_count++;
					DEBUG_MAIN(("main: Processing Contact\n"));
					if (ff.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) { // 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)
							write_vcard(ff.output, item->contact, item->comment);
						else
							fprintf(ff.output, "%s <%s>\n", item->contact->fullname, item->contact->address1);
					}

				} else if (item->email && (item->type == PST_TYPE_NOTE || item->type == PST_TYPE_REPORT)) {
					if (mode == MODE_SEPERATE) mk_seperate_file(&ff);
					ff.email_count++;
					DEBUG_MAIN(("main: seen an email\n"));
					write_normal_email(ff.output, ff.name, item, mode, mode_MH, &pstfile, save_rtf_body);

				} else if (item->type == PST_TYPE_JOURNAL) {
					// deal with journal items
					if (mode == MODE_SEPERATE) mk_seperate_file(&ff);
					ff.email_count++;

					DEBUG_MAIN(("main: Processing Journal Entry\n"));
					if (ff.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(ff.output, "BEGIN:VJOURNAL\n");
					if (item->email->subject)
						fprintf(ff.output, "SUMMARY:%s\n", rfc2426_escape(item->email->subject->subj));
					if (item->email->body)
						fprintf(ff.output, "DESCRIPTION:%s\n", rfc2426_escape(item->email->body));
					if (item->journal->start)
						fprintf(ff.output, "DTSTART;VALUE=DATE-TIME:%s\n", rfc2445_datetime_format(item->journal->start));
					fprintf(ff.output, "END:VJOURNAL\n\n");

				} else if (item->type == PST_TYPE_APPOINTMENT) {
					// deal with Calendar appointments
					if (mode == MODE_SEPERATE) mk_seperate_file(&ff);
					ff.email_count++;
					DEBUG_MAIN(("main: Processing Appointment Entry\n"));
					if (ff.type != PST_TYPE_APPOINTMENT) {
						DEBUG_MAIN(("main: I have an appointment, but folder isn't specified as an appointment type. Processing...\n"));
					}
					write_appointment(ff.output, item->appointment, item->email, item->create_date, item->modify_date);

				} else {
					ff.skip_count++;
					DEBUG_MAIN(("main: Unknown item type. %i. Ascii1=\"%s\"\n",
							item->type, item->ascii_type));
				}
				_pst_freeItem(item);
			} else {
				ff.skip_count++;
				DEBUG_MAIN(("main: A NULL item was seen\n"));
			}
			d_ptr = d_ptr->next;
		}
	}
	close_enter_dir(&ff);
	DEBUG_RET();
}



int main(int argc, char** argv) {
	pst_item *item = NULL;
	pst_desc_ll *d_ptr;
	char * fname = NULL;
	char *d_log=NULL;
	int c,x;
	char *temp = NULL;				 //temporary char pointer
	prog_name = argv[0];

	// command-line option handling
	while ((c = getopt(argc, argv, "bd:hko:qrMSVwc:"))!= -1) {
		switch (c) {
		case 'b':
			save_rtf_body = 0;
			break;
		case 'c':
			if (optarg && optarg[0]=='v')
				contact_mode=CMODE_VCARD;
			else if (optarg && 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 'M':
			mode = MODE_SEPERATE;
			mode_MH = 1;
			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;
		}
	}

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

	#ifdef DEBUG_ALL
		// force a log file
		if (!d_log) d_log = "readpst.log";
	#endif // defined DEBUG_ALL
	DEBUG_INIT(d_log);
	DEBUG_REGISTER_CLOSE();
	DEBUG_ENT("main");

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

	RET_DERROR(pst_open(&pstfile, fname, "r"), 1, ("Error opening File\n"));
	RET_DERROR(pst_load_index(&pstfile), 2, ("Index Error\n"));

	pst_load_extended_attributes(&pstfile);

	if (chdir(output_dir)) {
		x = errno;
		pst_close(&pstfile);
		DEBUG_RET();
		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
	item  = (pst_item*)_pst_parse_item(&pstfile, d_ptr);
	if (!item || !item->message_store) {
		DEBUG_RET();
		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) {
		if (!(temp = strrchr(fname, '/')))
			if (!(temp = strrchr(fname, '\\')))
				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));

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

	process(item, d_ptr->child);  // do the children of TOPF
	_pst_freeItem(item);
	pst_close(&pstfile);

	DEBUG_RET();
	return 0;
}


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) {
		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();
}


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;
}


int usage() {
	DEBUG_ENT("usage");
	version();
	printf("Usage: %s [OPTIONS] {PST FILENAME}\n", prog_name);
	printf("OPTIONS:\n");
	printf("\t-b\t- Don't save RTF-Body attachments\n");
	printf("\t-c[v|l]\t- Set the Contact output mode. -cv = VCard, -cl = EMail list\n");
	printf("\t-d <filename> \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-M\t- MH. Write emails in the MH format\n");
	printf("\t-o <dirname>\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;
}


int version() {
	DEBUG_ENT("version");
	printf("ReadPST v%s\n", 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;
}


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 && 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;
}


int close_kmail_dir() {
	// change ..
	int x;
	DEBUG_ENT("close_kmail_dir");
	if (kmail_chdir) { //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;
}


// 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;
}


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;
}


char *mk_seperate_dir(char *dir) {
	DEBUG_ENT("mk_seperate_dir");
	#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;

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

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

		dir_name = check_filename(dir_name);
		DEBUG_MAIN(("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("./"))) {
			WARN(("mk_seperate_dir: Cannot open dir \"%s\" for deletion of old contents\n", "./"));
		} else {
			while ((dirent = readdir(sdir))) {
				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
	}

	// we don't return a filename here cause it isn't necessary.
	DEBUG_RET();
	return NULL;
}


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;
}


int mk_seperate_file(struct file_ll *f) {
	const int name_offset = 1;
	DEBUG_ENT("mk_seperate_file");
	DEBUG_MAIN(("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, SEP_MAIL_FILE_TEMPLATE, f->email_count + name_offset);
	if (f->output) fclose(f->output);
	f->output = NULL;
	f->name = check_filename(f->name);
	if (!(f->output = fopen(f->name, "w"))) {
		DIE(("mk_seperate_file: Cannot open file to save email \"%s\"\n", f->name));
	}
	DEBUG_RET();
	return 0;
}


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 || !needle)
		return NULL;
	while (*y != '\0' && *x != '\0') {
		if (tolower(*y) == tolower(*x)) {
			// move y on one
			y++;
			if (!z) {
				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;
}


char *check_filename(char *fname) {
	char *t = fname;
	DEBUG_ENT("check_filename");
	if (!t) {
		DEBUG_RET();
		return fname;
	}
	while ((t = strpbrk(t, "/\\:"))) {
		// while there are characters in the second string that we don't want
		*t = '_'; //replace them with an underscore
	}
	DEBUG_RET();
	return fname;
}


char *rfc2426_escape(char *str) {
	static char* buf = NULL;
	char *ret, *a, *b;
	int x = 0, y, z;
	DEBUG_ENT("rfc2426_escape");
	if (!str)
		ret = str;
	else {

		// calculate space required to escape all the following characters
		y = chr_count(str, ',')
		  + chr_count(str, '\\')
		  + chr_count(str, ';')
		  + chr_count(str, '\n');
		z = chr_count(str, '\r');
		if (y == 0 && z == 0)
			// there isn't any extra space required
			ret = str;
		else {
			x = strlen(str) + y - z + 1; // don't forget room for the NUL
			buf = (char*) realloc(buf, x);
			a = str;
			b = buf;
			while (*a != '\0') {
				switch (*a) {
				case ',' :
				case '\\':
				case ';' :
					*(b++) = '\\';
					*b = *a;
					break;
				case '\n':  // newlines are encoded as "\n"
					*(b++) = '\\';
					*b = 'n';
					break;
				case '\r':  // skip cr
					b--;
					break;
				default:
					*b=*a;
				}
				b++;
				a++;
			}
			*b = '\0'; // NUL-terminate the string (buf)
			ret = buf;
		}
	}
	DEBUG_RET();
	return ret;
}


int chr_count(char *str, char x) {
	int r = 0;
	while (*str != '\0') {
		if (*str == x)
			r++;
		str++;
	}
	return r;
}


char *rfc2425_datetime_format(FILETIME *ft) {
	static char* buffer = NULL;
	struct tm *stm = NULL;
	DEBUG_ENT("rfc2425_datetime_format");
	if (!buffer) buffer = malloc(30); // should be enough for the date as defined below
	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;
}


char *rfc2445_datetime_format(FILETIME *ft) {
	static char* buffer = NULL;
	struct tm *stm = NULL;
	DEBUG_ENT("rfc2445_datetime_format");
	if (!buffer) buffer = malloc(30); // should be enough for the date as defined below
	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;
}


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


void write_separate_attachment(char f_name[], pst_item_attach* current_attach, int attach_num, pst_file* pst)
{
	DEBUG_ENT("write_separate_attachment");
	FILE *fp = NULL;
	int x = 0;
	char *temp = NULL;

	// If there is a long filename (filename2) use that, otherwise
	// use the 8.3 filename (filename1)
	char *attach_filename = (current_attach->filename2) ? current_attach->filename2
														: current_attach->filename1;

	check_filename(f_name);
	if (!attach_filename) {
		// generate our own (dummy) filename for the attachement
		temp = xmalloc(strlen(f_name)+15);
		sprintf(temp, "%s-attach%i", f_name, attach_num);
	} else {
		// have an attachment name, make sure it's unique
		temp = xmalloc(strlen(f_name)+strlen(attach_filename)+15);
		do {
			if (fp) fclose(fp);
			if (x == 0)
				sprintf(temp, "%s-%s", f_name, attach_filename);
			else
				sprintf(temp, "%s-%s-%i", f_name, attach_filename, x);
		} while ((fp = fopen(temp, "r")) && ++x < 99999999);
		if (x > 99999999) {
			DIE(("error finding attachment name. exhausted possibilities to %s\n", temp));
		}
	}
	DEBUG_EMAIL(("Saving attachment to %s\n", temp));
	if (!(fp = fopen(temp, "w"))) {
		WARN(("write_separate_attachment: Cannot open attachment save file \"%s\"\n", temp));
	} else {
		if (current_attach->data)
			fwrite(current_attach->data, 1, current_attach->size, fp);
		else {
			pst_attach_to_file(pst, current_attach, fp);
		}
		fclose(fp);
	}
	if (temp) free(temp);
	DEBUG_RET();
}


void write_inline_attachment(FILE* f_output, pst_item_attach* current_attach, char boundary[], pst_file* pst)
{
	DEBUG_ENT("write_inline_attachment");
	char *enc; // base64 encoded attachment
	DEBUG_EMAIL(("Attachment Size is %i\n", current_attach->size));
	DEBUG_EMAIL(("Attachment Pointer is %p\n", current_attach->data));
	if (current_attach->data) {
		enc = base64_encode (current_attach->data, current_attach->size);
		if (!enc) {
			DEBUG_EMAIL(("ERROR base64_encode returned NULL. Must have failed\n"));
			return;
		}
	}
	if (boundary) {
		char *attach_filename;
		fprintf(f_output, "\n--%s\n", boundary);
		if (!current_attach->mimetype) {
			fprintf(f_output, "Content-type: %s\n", MIME_TYPE_DEFAULT);
		} else {
			fprintf(f_output, "Content-type: %s\n", current_attach->mimetype);
		}
		fprintf(f_output, "Content-transfer-encoding: base64\n");
		// If there is a long filename (filename2) use that, otherwise
		// use the 8.3 filename (filename1)
		if (current_attach->filename2) {
		  attach_filename = current_attach->filename2;
		} else {
		  attach_filename = current_attach->filename1;
		}
		if (!attach_filename) {
			fprintf(f_output, "Content-Disposition: inline\n\n");
		} else {
			fprintf(f_output, "Content-Disposition: attachment; filename=\"%s\"\n\n", attach_filename);
		}
	}
	if (current_attach->data) {
		fwrite(enc, 1, strlen(enc), f_output);
		DEBUG_EMAIL(("Attachment Size after encoding is %i\n", strlen(enc)));
		free(enc);	// caught by valgrind
	} else {
		pst_attach_to_file_base64(pst, current_attach, f_output);
	}
	fprintf(f_output, "\n\n");
	DEBUG_RET();
}


void write_normal_email(FILE* f_output, char f_name[], pst_item* item, int mode, int mode_MH, pst_file* pst, int save_rtf)
{
	DEBUG_ENT("write_normal_email");
	char *boundary = NULL;		// the boundary marker between multipart sections
	int boundary_created = 0;	// we have not (yet) created a new boundary
	char *temp = NULL;
	int attach_num, base64_body = 0;
	time_t em_time;
	char *c_time;
	pst_item_attach* current_attach;

	// convert the sent date if it exists, or set it to a fixed date
	if (item->email->sent_date) {
		em_time = fileTimeToUnixTime(item->email->sent_date, 0);
		c_time = ctime(&em_time);
		if (c_time)
			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";

	// we will always look at the header to discover some stuff
	if (item->email->header ) {
		char *b1, *b2;
		// see if there is a boundary variable there
		// this search MUST be made case insensitive (DONE).
		// Also, we should check to find out if we are looking
		// at the boundary associated with content-type, and that
		// the content type really is multipart

		removeCR(item->email->header);

		if ((b2 = my_stristr(item->email->header, "boundary="))) {
			int len;
			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++;
			}
			len = b1 - b2;
			boundary = malloc(len+1);	//malloc that length
			strncpy(boundary, b2, len); // copy boundary to another variable
			boundary[len] = '\0';
			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_EMAIL(("Found boundary of - %s\n", boundary));
		} else {
			DEBUG_EMAIL(("boundary not found in header\n"));
		}

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

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

	if (!boundary && (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(("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(("created boundary is %s\n", boundary));
	  boundary_created = 1;
	}

	DEBUG_EMAIL(("About to print Header\n"));

	if (item && item->email && item->email->subject && item->email->subject->subj) {
		DEBUG_EMAIL(("item->email->subject->subj = %s\n", item->email->subject->subj));
	}

	if (item->email->header) {
		int len;
		char *soh = NULL;  // real start of headers.

		// 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) {
			DEBUG_EMAIL(("Found body text in header\n"));
			temp[1] = '\0'; // stop after first \n
		}

		// Now, write out the header...
		soh = skip_header_prologue(item->email->header);
		if (mode != MODE_SEPERATE) {
			// don't put rubbish in if we are doing seperate
			if (strncmp(soh, "X-From_: ", 9) == 0 ) {
				fputs("From ", f_output);
				soh += 9;
			} else
				fprintf(f_output, "From \"%s\" %s\n", item->email->outlook_sender_name, c_time);
		}
		fprintf(f_output, "%s", soh);
		len = strlen(soh);
		if (!len || (soh[len-1] != '\n')) fprintf(f_output, "\n");

	} 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) {
				temp = item->email->outlook_sender_name;
			} else {
				temp = "(readpst_null)";
			}
			fprintf(f_output, "From \"%s\" %s\n", temp, c_time);
		}

		temp = item->email->outlook_sender;
		if (!temp) temp = "";
		fprintf(f_output, "From: \"%s\" <%s>\n", item->email->outlook_sender_name, temp);

		if (item->email->subject) {
			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) {
			fprintf(f_output, "Cc: %s\n", item->email->cc_address);
		}

		if (item->email->sent_date) {
			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 (boundary && boundary_created) {
		// if we created the boundary, then it has NOT already been printed
		// in the headers above.
		if (item->attach) {
			// write the boundary stuff if we have attachments
			fprintf(f_output, "Content-type: multipart/mixed;\n\tboundary=\"%s\"\n", boundary);
		} else if (boundary) {
			// else if we have multipart/alternative then tell it so
			fprintf(f_output, "Content-type: multipart/alternative;\n\tboundary=\"%s\"\n", boundary);
		} else if (item->email->htmlbody) {
			fprintf(f_output, "Content-type: text/html\n");
		}
	}
	fprintf(f_output, "\n");    // start the body
	DEBUG_EMAIL(("About to print Body\n"));

	if (item->email->body) {
		if (boundary) {
			fprintf(f_output, "\n--%s\n", boundary);
			fprintf(f_output, "Content-type: text/plain\n");
			if (base64_body)
				fprintf(f_output, "Content-Transfer-Encoding: base64\n");
			fprintf(f_output, "\n");
		}
		removeCR(item->email->body);
		if (base64_body) {
			char *enc = base64_encode(item->email->body, strlen(item->email->body));
			if (enc) {
				write_email_body(f_output, enc);
				free(enc);
			}
		}
		else {
			write_email_body(f_output, item->email->body);
		}
	}

	if (item->email->htmlbody) {
		if (boundary) {
			fprintf(f_output, "\n--%s\n", boundary);
			fprintf(f_output, "Content-type: text/html\n");
			if (base64_body) fprintf(f_output, "Content-Transfer-Encoding: base64\n");
			fprintf(f_output, "\n");
		}
		removeCR(item->email->htmlbody);
		if (base64_body) {
			char *enc = base64_encode(item->email->htmlbody, strlen(item->email->htmlbody));
			if (enc) {
				write_email_body(f_output, enc);
				free(enc);
			}
		}
		else {
			write_email_body(f_output, item->email->htmlbody);
		}
	}

	if (item->email->rtf_compressed && save_rtf) {
	  //int32_t tester;
		DEBUG_EMAIL(("Adding RTF body as attachment\n"));
		current_attach = (pst_item_attach*)xmalloc(sizeof(pst_item_attach));
		memset(current_attach, 0, sizeof(pst_item_attach));
		current_attach->next = item->attach;
		item->attach = current_attach;
		current_attach->data = lzfu_decompress(item->email->rtf_compressed, &current_attach->size);
		current_attach->filename2 = xmalloc(strlen(RTF_ATTACH_NAME)+2);
		strcpy(current_attach->filename2, RTF_ATTACH_NAME);
		current_attach->mimetype = xmalloc(strlen(RTF_ATTACH_TYPE)+2);
		strcpy(current_attach->mimetype, RTF_ATTACH_TYPE);
	  //memcpy(&tester, item->email->rtf_compressed+sizeof(int32_t), sizeof(int32_t));
	  //LE32_CPU(tester);
	  //printf("lz produced %d bytes, rtf claims %d bytes\n", current_attach->size, tester);
	}

	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_EMAIL(("Adding Encrypted Body as attachment\n"));
			current_attach = (pst_item_attach*) xmalloc(sizeof(pst_item_attach));
			memset(current_attach, 0, sizeof(pst_item_attach));
			current_attach->next = item->attach;
			item->attach = current_attach;
			current_attach->data = item->email->encrypted_body;
			current_attach->size = item->email->encrypted_body_size;
			item->email->encrypted_body = NULL;
		}

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

	// attachments
	attach_num = 0;
	for (current_attach = item->attach; current_attach; current_attach = current_attach->next) {
		DEBUG_EMAIL(("Attempting Attachment encoding\n"));
		if (!current_attach->data) {
			DEBUG_EMAIL(("Data of attachment is NULL!. Size is supposed to be %i\n", current_attach->size));
		}
		if (mode == MODE_SEPERATE && !mode_MH)
			write_separate_attachment(f_name, current_attach, ++attach_num, pst);
		else
			write_inline_attachment(f_output, current_attach, boundary, pst);
	}
	if (mode != MODE_SEPERATE) { /* do not add a boundary after the last attachment for mode_MH */
		DEBUG_EMAIL(("Writing buffer between emails\n"));
		if (boundary) fprintf(f_output, "\n--%s--\n", boundary);
		fprintf(f_output, "\n\n");
	}
	if (boundary) free (boundary);
	DEBUG_RET();
}


void write_vcard(FILE* f_output, pst_item_contact* contact, char comment[])
{
	// We can only call rfc escape once per printf, since the second call
	// may free the buffer returned by the first call.
	// I had tried to place those into a single printf - Carl.

	DEBUG_ENT("write_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(contact->fullname));

	//fprintf(f_output, "N:%s;%s;%s;%s;%s\n",
	fprintf(f_output, "N:%s;", (!contact->surname)             ? "" : rfc2426_escape(contact->surname));
	fprintf(f_output, "%s;",   (!contact->first_name)          ? "" : rfc2426_escape(contact->first_name));
	fprintf(f_output, "%s;",   (!contact->middle_name)         ? "" : rfc2426_escape(contact->middle_name));
	fprintf(f_output, "%s;",   (!contact->display_name_prefix) ? "" : rfc2426_escape(contact->display_name_prefix));
	fprintf(f_output, "%s\n",  (!contact->suffix)              ? "" : rfc2426_escape(contact->suffix));

	if (contact->nickname)
		fprintf(f_output, "NICKNAME:%s\n", rfc2426_escape(contact->nickname));
	if (contact->address1)
		fprintf(f_output, "EMAIL:%s\n", rfc2426_escape(contact->address1));
	if (contact->address2)
		fprintf(f_output, "EMAIL:%s\n", rfc2426_escape(contact->address2));
	if (contact->address3)
		fprintf(f_output, "EMAIL:%s\n", rfc2426_escape(contact->address3));
	if (contact->birthday)
		fprintf(f_output, "BDAY:%s\n", rfc2425_datetime_format(contact->birthday));

	if (contact->home_address) {
		//fprintf(f_output, "ADR;TYPE=home:%s;%s;%s;%s;%s;%s;%s\n",
		fprintf(f_output, "ADR;TYPE=home:%s;",  (!contact->home_po_box)      ? "" : rfc2426_escape(contact->home_po_box));
		fprintf(f_output, "%s;",                ""); // extended Address
		fprintf(f_output, "%s;",                (!contact->home_street)      ? "" : rfc2426_escape(contact->home_street));
		fprintf(f_output, "%s;",                (!contact->home_city)        ? "" : rfc2426_escape(contact->home_city));
		fprintf(f_output, "%s;",                (!contact->home_state)       ? "" : rfc2426_escape(contact->home_state));
		fprintf(f_output, "%s;",                (!contact->home_postal_code) ? "" : rfc2426_escape(contact->home_postal_code));
		fprintf(f_output, "%s\n",               (!contact->home_country)     ? "" : rfc2426_escape(contact->home_country));
		fprintf(f_output, "LABEL;TYPE=home:%s\n", rfc2426_escape(contact->home_address));
	}

	if (contact->business_address) {
		//fprintf(f_output, "ADR;TYPE=work:%s;%s;%s;%s;%s;%s;%s\n",
		fprintf(f_output, "ADR;TYPE=work:%s;",  (!contact->business_po_box)      ? "" : rfc2426_escape(contact->business_po_box));
		fprintf(f_output, "%s;",                ""); // extended Address
		fprintf(f_output, "%s;",                (!contact->business_street)      ? "" : rfc2426_escape(contact->business_street));
		fprintf(f_output, "%s;",                (!contact->business_city)        ? "" : rfc2426_escape(contact->business_city));
		fprintf(f_output, "%s;",                (!contact->business_state)       ? "" : rfc2426_escape(contact->business_state));
		fprintf(f_output, "%s;",                (!contact->business_postal_code) ? "" : rfc2426_escape(contact->business_postal_code));
		fprintf(f_output, "%s\n",               (!contact->business_country)     ? "" : rfc2426_escape(contact->business_country));
		fprintf(f_output, "LABEL;TYPE=work:%s\n", rfc2426_escape(contact->business_address));
	}

	if (contact->other_address) {
		//fprintf(f_output, "ADR;TYPE=postal:%s;%s;%s;%s;%s;%s;%s\n",
		fprintf(f_output, "ADR;TYPE=postal:%s;",(!contact->other_po_box)       ? "" : rfc2426_escape(contact->other_po_box));
		fprintf(f_output, "%s;",                ""); // extended Address
		fprintf(f_output, "%s;",                (!contact->other_street)       ? "" : rfc2426_escape(contact->other_street));
		fprintf(f_output, "%s;",                (!contact->other_city)         ? "" : rfc2426_escape(contact->other_city));
		fprintf(f_output, "%s;",                (!contact->other_state)        ? "" : rfc2426_escape(contact->other_state));
		fprintf(f_output, "%s;",                (!contact->other_postal_code)  ? "" : rfc2426_escape(contact->other_postal_code));
		fprintf(f_output, "%s\n",               (!contact->other_country)      ? "" : rfc2426_escape(contact->other_country));
		fprintf(f_output, "LABEL;TYPE=postal:%s\n", rfc2426_escape(contact->other_address));
	}

	if (contact->business_fax)		fprintf(f_output, "TEL;TYPE=work,fax:%s\n",         rfc2426_escape(contact->business_fax));
	if (contact->business_phone)	fprintf(f_output, "TEL;TYPE=work,voice:%s\n",       rfc2426_escape(contact->business_phone));
	if (contact->business_phone2)	fprintf(f_output, "TEL;TYPE=work,voice:%s\n",       rfc2426_escape(contact->business_phone2));
	if (contact->car_phone) 		fprintf(f_output, "TEL;TYPE=car,voice:%s\n",        rfc2426_escape(contact->car_phone));
	if (contact->home_fax)			fprintf(f_output, "TEL;TYPE=home,fax:%s\n",         rfc2426_escape(contact->home_fax));
	if (contact->home_phone)		fprintf(f_output, "TEL;TYPE=home,voice:%s\n",       rfc2426_escape(contact->home_phone));
	if (contact->home_phone2)		fprintf(f_output, "TEL;TYPE=home,voice:%s\n",       rfc2426_escape(contact->home_phone2));
	if (contact->isdn_phone)		fprintf(f_output, "TEL;TYPE=isdn:%s\n",             rfc2426_escape(contact->isdn_phone));
	if (contact->mobile_phone)		fprintf(f_output, "TEL;TYPE=cell,voice:%s\n",       rfc2426_escape(contact->mobile_phone));
	if (contact->other_phone)		fprintf(f_output, "TEL;TYPE=msg:%s\n",              rfc2426_escape(contact->other_phone));
	if (contact->pager_phone)		fprintf(f_output, "TEL;TYPE=pager:%s\n",            rfc2426_escape(contact->pager_phone));
	if (contact->primary_fax)		fprintf(f_output, "TEL;TYPE=fax,pref:%s\n",         rfc2426_escape(contact->primary_fax));
	if (contact->primary_phone) 	fprintf(f_output, "TEL;TYPE=phone,pref:%s\n",       rfc2426_escape(contact->primary_phone));
	if (contact->radio_phone)		fprintf(f_output, "TEL;TYPE=pcs:%s\n",              rfc2426_escape(contact->radio_phone));
	if (contact->telex) 			fprintf(f_output, "TEL;TYPE=bbs:%s\n",              rfc2426_escape(contact->telex));
	if (contact->job_title) 		fprintf(f_output, "TITLE:%s\n",                     rfc2426_escape(contact->job_title));
	if (contact->profession)		fprintf(f_output, "ROLE:%s\n",                      rfc2426_escape(contact->profession));
	if (contact->assistant_name || contact->assistant_phone) {
		fprintf(f_output, "AGENT:BEGIN:VCARD\n");
		if (contact->assistant_name)	fprintf(f_output, "FN:%s\n",                    rfc2426_escape(contact->assistant_name));
		if (contact->assistant_phone)	fprintf(f_output, "TEL:%s\n",                   rfc2426_escape(contact->assistant_phone));
	}
	if (contact->company_name)		fprintf(f_output, "ORG:%s\n",                       rfc2426_escape(contact->company_name));
	if (comment)					fprintf(f_output, "NOTE:%s\n",                      rfc2426_escape(comment));

	fprintf(f_output, "VERSION: 3.0\n");
	fprintf(f_output, "END:VCARD\n\n");
	DEBUG_RET();
}


void write_appointment(FILE* f_output, pst_item_appointment* appointment,
			   pst_item_email* email, FILETIME* create_date, FILETIME* modify_date)
{
	fprintf(f_output, "BEGIN:VEVENT\n");
	if (create_date)
		fprintf(f_output, "CREATED:%s\n",
			rfc2445_datetime_format(create_date));
	if (modify_date)
		fprintf(f_output, "LAST-MOD:%s\n",
			rfc2445_datetime_format(modify_date));
	if (email && email->subject)
		fprintf(f_output, "SUMMARY:%s\n",
			rfc2426_escape(email->subject->subj));
	if (email && email->body)
		fprintf(f_output, "DESCRIPTION:%s\n",
			rfc2426_escape(email->body));
	if (appointment && appointment->start)
		fprintf(f_output, "DTSTART;VALUE=DATE-TIME:%s\n",
			rfc2445_datetime_format(appointment->start));
	if (appointment && appointment->end)
		fprintf(f_output, "DTEND;VALUE=DATE-TIME:%s\n",
			rfc2445_datetime_format(appointment->end));
	if (appointment && appointment->location)
		fprintf(f_output, "LOCATION:%s\n",
			rfc2426_escape(appointment->location));
	if (appointment) {
		switch (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 (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");
}


void create_enter_dir(struct file_ll* f, pst_item *item)
{
	f->email_count = 0;
	f->skip_count = 0;
	f->type = item->type;
	f->stored_count = (item->folder) ? item->folder->email_count : 0;

	DEBUG_ENT("create_enter_dir");
	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);
		f->name = (char*) xmalloc(10);
		memset(f->name, 0, 10);
		//		sprintf(f->name, SEP_MAIL_FILE_TEMPLATE, 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) {
		int x = 0;
		char *temp = (char*) xmalloc (strlen(f->name)+10); //enough room for 10 digits

		sprintf(temp, "%s", f->name);
		temp = check_filename(temp);
		while ((f->output = fopen(temp, "r"))) {
			DEBUG_MAIN(("need to increase filename because one already exists with that name\n"));
			DEBUG_MAIN(("- increasing it to %s%d\n", f->name, x));
			x++;
			sprintf(temp, "%s%08d", f->name, x);
			DEBUG_MAIN(("- trying \"%s\"\n", f->name));
			if (x == 99999999) {
				DIE(("create_enter_dir: 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(("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"))) {
			DIE(("create_enter_dir: Could not open file \"%s\" for write\n", f->name));
		}
	}
	DEBUG_RET();
}


void close_enter_dir(struct file_ll *f)
{
	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 (f->output) 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)
		close_seperate_dir();
}