blob: b36e4bffa7b355aae927ab617e0112298fc747e0 [file] [log] [blame] [edit]
/*
* OBEX Server
*
* Copyright (C) 2008-2010 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <ctype.h>
#include <errno.h>
#include <glib.h>
#include <gdbus/gdbus.h>
#include "vcard.h"
#define ADDR_FIELD_AMOUNT 7
#define LEN_MAX 128
#define TYPE_INTERNATIONAL 145
#define PHONEBOOK_FLAG_CACHED 0x1
#define FILTER_VERSION (1 << 0)
#define FILTER_FN (1 << 1)
#define FILTER_N (1 << 2)
#define FILTER_PHOTO (1 << 3)
#define FILTER_BDAY (1 << 4)
#define FILTER_ADR (1 << 5)
#define FILTER_LABEL (1 << 6)
#define FILTER_TEL (1 << 7)
#define FILTER_EMAIL (1 << 8)
#define FILTER_MAILER (1 << 9)
#define FILTER_TZ (1 << 10)
#define FILTER_GEO (1 << 11)
#define FILTER_TITLE (1 << 12)
#define FILTER_ROLE (1 << 13)
#define FILTER_LOGO (1 << 14)
#define FILTER_AGENT (1 << 15)
#define FILTER_ORG (1 << 16)
#define FILTER_NOTE (1 << 17)
#define FILTER_REV (1 << 18)
#define FILTER_SOUND (1 << 19)
#define FILTER_URL (1 << 20)
#define FILTER_UID (1 << 21)
#define FILTER_KEY (1 << 22)
#define FILTER_NICKNAME (1 << 23)
#define FILTER_CATEGORIES (1 << 24)
#define FILTER_PROID (1 << 25)
#define FILTER_CLASS (1 << 26)
#define FILTER_SORT_STRING (1 << 27)
#define FILTER_X_IRMC_CALL_DATETIME (1 << 28)
#define FORMAT_VCARD21 0x00
#define FORMAT_VCARD30 0x01
#define QP_LINE_LEN 75
#define QP_CHAR_LEN 3
#define QP_CR 0x0D
#define QP_LF 0x0A
#define QP_ESC 0x5C
#define QP_SOFT_LINE_BREAK "="
#define QP_SELECT "\n!\"#$=@[\\]^`{|}~"
#define ASCII_LIMIT 0x7F
/* according to RFC 2425, the output string may need folding */
static void vcard_printf(GString *str, const char *fmt, ...)
{
char buf[1024];
va_list ap;
int len_temp, line_number, i;
unsigned int line_delimit = 75;
va_start(ap, fmt);
vsnprintf(buf, sizeof(buf), fmt, ap);
va_end(ap);
line_number = strlen(buf) / line_delimit + 1;
for (i = 0; i < line_number; i++) {
len_temp = MIN(line_delimit, strlen(buf) - line_delimit * i);
g_string_append_len(str, buf + line_delimit * i, len_temp);
if (i != line_number - 1)
g_string_append(str, "\r\n ");
}
g_string_append(str, "\r\n");
}
/* According to RFC 2426, we need escape following characters:
* '\n', '\r', ';', ',', '\'.
*/
static void add_slash(char *dest, const char *src, int len_max, int len)
{
int i, j;
for (i = 0, j = 0; i < len && j + 1 < len_max; i++, j++) {
/* filling dest buffer - last field need to be reserved
* for '\0'*/
switch (src[i]) {
case '\n':
if (j + 2 >= len_max)
/* not enough space in the buffer to put char
* preceded with escaping sequence (and '\0' in
* the end) */
goto done;
dest[j++] = '\\';
dest[j] = 'n';
break;
case '\r':
if (j + 2 >= len_max)
goto done;
dest[j++] = '\\';
dest[j] = 'r';
break;
case '\\':
case ';':
case ',':
if (j + 2 >= len_max)
goto done;
dest[j++] = '\\';
default:
dest[j] = src[i];
break;
}
}
done:
dest[j] = 0;
}
static void escape_semicolon(char *dest, const char *src, int len_max, int len)
{
int i, j;
for (i = 0, j = 0; i < len && j + 1 < len_max; i++, j++) {
if (src[i] == ';') {
if (j + 2 >= len_max)
break;
dest[j++] = '\\';
}
dest[j] = src[i];
}
dest[j] = 0;
}
static void set_escape(uint8_t format, char *dest, const char *src,
int len_max, int len)
{
if (format == FORMAT_VCARD30)
add_slash(dest, src, len_max, len);
else if (format == FORMAT_VCARD21)
escape_semicolon(dest, src, len_max, len);
}
static void get_escaped_fields(uint8_t format, char **fields, ...)
{
va_list ap;
GString *line;
char *field;
char escaped[LEN_MAX];
va_start(ap, fields);
line = g_string_new("");
for (field = va_arg(ap, char *); field; ) {
set_escape(format, escaped, field, LEN_MAX, strlen(field));
g_string_append(line, escaped);
field = va_arg(ap, char *);
if (field)
g_string_append(line, ";");
}
va_end(ap);
*fields = g_string_free(line, FALSE);
}
static gboolean set_qp_encoding(char c)
{
unsigned char q = c;
if (strchr(QP_SELECT, q) != NULL)
return TRUE;
if (q < '!' || q > '~')
return TRUE;
return FALSE;
}
static void append_qp_break_line(GString *vcards, size_t *limit)
{
/* Quoted Printable lines of text must be limited to less than 76
* characters and terminated by Quoted Printable softline break
* sequence of "=" (if some more characters left) */
g_string_append(vcards, QP_SOFT_LINE_BREAK);
g_string_append(vcards, "\r\n ");
*limit = QP_LINE_LEN - 1;
}
static void append_qp_ascii(GString *vcards, size_t *limit, char c)
{
if (*limit == 0)
append_qp_break_line(vcards, limit);
g_string_append_c(vcards, c);
--*limit;
}
static void append_qp_hex(GString *vcards, size_t *limit, char c)
{
if (*limit < QP_CHAR_LEN)
append_qp_break_line(vcards, limit);
g_string_append_printf(vcards, "=%2.2X", (unsigned char) c);
*limit -= QP_CHAR_LEN;
}
static void append_qp_new_line(GString *vcards, size_t *limit)
{
/* Multiple lines of text are separated with a Quoted Printable CRLF
* sequence of "=0D" followed by "=0A" followed by a Quoted Printable
* softline break sequence of "=" */
append_qp_hex(vcards, limit, QP_CR);
append_qp_hex(vcards, limit, QP_LF);
append_qp_break_line(vcards, limit);
}
static gboolean utf8_select(const char *field)
{
const char *pos;
if (g_utf8_validate(field, -1, NULL) == FALSE)
return FALSE;
for (pos = field; *pos != '\0'; pos = g_utf8_next_char(pos)) {
/* Test for non-standard UTF-8 character (out of range
* standard ASCII set), composed of more than single byte
* and represented by 32-bit value greater than 0x7F */
if (g_utf8_get_char(pos) > ASCII_LIMIT)
return TRUE;
}
return FALSE;
}
static void vcard_qp_print_encoded(GString *vcards, const char *desc, ...)
{
const char *field, *charset = "";
const char *encoding = ";ENCODING=QUOTED-PRINTABLE";
size_t limit, param_len;
va_list ap;
va_start(ap, desc);
for (field = va_arg(ap, char *); field; field = va_arg(ap, char *)) {
if (utf8_select(field) == TRUE) {
charset = ";CHARSET=UTF-8";
break;
}
}
va_end(ap);
vcard_printf(vcards, "%s%s%s:", desc, encoding, charset);
g_string_truncate(vcards, vcards->len - 2);
param_len = strlen(desc) + strlen(encoding) + strlen(charset) + 1;
limit = QP_LINE_LEN - param_len;
va_start(ap, desc);
for (field = va_arg(ap, char *); field != NULL; ) {
size_t i, size = strlen(field);
for (i = 0; i < size; ++i) {
if (set_qp_encoding(field[i])) {
if (field[i] == '\n') {
append_qp_new_line(vcards, &limit);
continue;
}
append_qp_hex(vcards, &limit, field[i]);
} else {
/* According to vCard 2.1 spec. semicolons in
* property parameter value must be escaped */
if (field[i] == ';')
append_qp_hex(vcards, &limit, QP_ESC);
append_qp_ascii(vcards, &limit, field[i]);
}
}
field = va_arg(ap, char *);
if (field)
append_qp_ascii(vcards, &limit, ';');
}
va_end(ap);
g_string_append(vcards, "\r\n");
}
static gboolean select_qp_encoding(uint8_t format, ...)
{
char *field;
va_list ap;
if (format != FORMAT_VCARD21)
return FALSE;
va_start(ap, format);
for (field = va_arg(ap, char *); field; field = va_arg(ap, char *)) {
int i;
unsigned char c;
if (strpbrk(field, QP_SELECT)) {
va_end(ap);
return TRUE;
}
/* Quoted Printable encoding is selected if there is
* a character, which value is out of range standard
* ASCII set, since it may be a part of some
* non-standard character such as specified by UTF-8 */
for (i = 0; (c = field[i]) != '\0'; ++i) {
if (c > ASCII_LIMIT) {
va_end(ap);
return TRUE;
}
}
}
va_end(ap);
return FALSE;
}
static void vcard_printf_begin(GString *vcards, uint8_t format)
{
vcard_printf(vcards, "BEGIN:VCARD");
if (format == FORMAT_VCARD30)
vcard_printf(vcards, "VERSION:3.0");
else if (format == FORMAT_VCARD21)
vcard_printf(vcards, "VERSION:2.1");
}
/* check if there is at least one contact field with personal data present */
static gboolean contact_fields_present(struct phonebook_contact * contact)
{
if (contact->family && strlen(contact->family) > 0)
return TRUE;
if (contact->given && strlen(contact->given) > 0)
return TRUE;
if (contact->additional && strlen(contact->additional) > 0)
return TRUE;
if (contact->prefix && strlen(contact->prefix) > 0)
return TRUE;
if (contact->suffix && strlen(contact->suffix) > 0)
return TRUE;
/* none of the personal data fields are present*/
return FALSE;
}
static void vcard_printf_name(GString *vcards, uint8_t format,
struct phonebook_contact *contact)
{
char *fields;
if (contact_fields_present(contact) == FALSE) {
/* If fields are empty, add only 'N:' as parameter.
* This is crucial for some devices (Nokia BH-903) which
* have problems with history listings and can't determine
* that a parameter is really empty if there are unnecessary
* characters after 'N:' (e.g. 'N:;;;;').
* We need to add only'N:' param - without semicolons.
*/
vcard_printf(vcards, "N:");
return;
}
if (select_qp_encoding(format, contact->family, contact->given,
contact->additional, contact->prefix,
contact->suffix, NULL)) {
vcard_qp_print_encoded(vcards, "N", contact->family,
contact->given, contact->additional,
contact->prefix, contact->suffix,
NULL);
return;
}
get_escaped_fields(format, &fields, contact->family,
contact->given, contact->additional,
contact->prefix, contact->suffix,
NULL);
vcard_printf(vcards, "N:%s", fields);
g_free(fields);
}
static void vcard_printf_fullname(GString *vcards, uint8_t format,
const char *text)
{
char field[LEN_MAX];
if (!text || strlen(text) == 0) {
vcard_printf(vcards, "FN:");
return;
}
if (select_qp_encoding(format, text, NULL)) {
vcard_qp_print_encoded(vcards, "FN", text, NULL);
return;
}
set_escape(format, field, text, LEN_MAX, strlen(text));
vcard_printf(vcards, "FN:%s", field);
}
static void vcard_printf_number(GString *vcards, uint8_t format,
const char *number, int type,
enum phonebook_number_type category)
{
const char *intl = "", *category_string = "";
char buf[LEN_MAX], field[LEN_MAX];
/* TEL is a mandatory field, include even if empty */
if (!number || !strlen(number) || !type) {
vcard_printf(vcards, "TEL:");
return;
}
switch (category) {
case TEL_TYPE_HOME:
if (format == FORMAT_VCARD21)
category_string = "HOME;VOICE";
else if (format == FORMAT_VCARD30)
category_string = "TYPE=HOME;TYPE=VOICE";
break;
case TEL_TYPE_MOBILE:
if (format == FORMAT_VCARD21)
category_string = "CELL;VOICE";
else if (format == FORMAT_VCARD30)
category_string = "TYPE=CELL;TYPE=VOICE";
break;
case TEL_TYPE_FAX:
if (format == FORMAT_VCARD21)
category_string = "FAX";
else if (format == FORMAT_VCARD30)
category_string = "TYPE=FAX";
break;
case TEL_TYPE_WORK:
if (format == FORMAT_VCARD21)
category_string = "WORK;VOICE";
else if (format == FORMAT_VCARD30)
category_string = "TYPE=WORK;TYPE=VOICE";
break;
case TEL_TYPE_OTHER:
if (format == FORMAT_VCARD21)
category_string = "OTHER;VOICE";
else if (format == FORMAT_VCARD30)
category_string = "TYPE=OTHER;TYPE=VOICE";
break;
}
if ((type == TYPE_INTERNATIONAL) && (number[0] != '+'))
intl = "+";
snprintf(field, sizeof(field), "%s%s", intl, number);
if (select_qp_encoding(format, number, NULL)) {
snprintf(buf, sizeof(buf), "TEL;%s", category_string);
vcard_qp_print_encoded(vcards, buf, field, NULL);
return;
}
vcard_printf(vcards, "TEL;%s:%s", category_string, field);
}
static void vcard_printf_tag(GString *vcards, uint8_t format,
const char *tag, const char *category,
const char *fld)
{
int len;
char *separator = "", *type = "";
char buf[LEN_MAX], field[LEN_MAX];
if (tag == NULL || strlen(tag) == 0)
return;
if (fld == NULL || (len = strlen(fld)) == 0) {
vcard_printf(vcards, "%s:", tag);
return;
}
if (category && strlen(category)) {
separator = ";";
if (format == FORMAT_VCARD30)
type = "TYPE=";
} else {
category = "";
}
snprintf(buf, LEN_MAX, "%s%s%s%s", tag, separator, type, category);
if (select_qp_encoding(format, fld, NULL)) {
vcard_qp_print_encoded(vcards, buf, fld, NULL);
return;
}
set_escape(format, field, fld, LEN_MAX, len);
vcard_printf(vcards, "%s:%s", buf, field);
}
static void vcard_printf_email(GString *vcards, uint8_t format,
const char *address,
enum phonebook_field_type category)
{
const char *category_string = "";
char buf[LEN_MAX], field[LEN_MAX];
int len = 0;
if (!address || !(len = strlen(address))) {
vcard_printf(vcards, "EMAIL:");
return;
}
switch (category) {
case FIELD_TYPE_HOME:
if (format == FORMAT_VCARD21)
category_string = "INTERNET;HOME";
else if (format == FORMAT_VCARD30)
category_string = "TYPE=INTERNET;TYPE=HOME";
break;
case FIELD_TYPE_WORK:
if (format == FORMAT_VCARD21)
category_string = "INTERNET;WORK";
else if (format == FORMAT_VCARD30)
category_string = "TYPE=INTERNET;TYPE=WORK";
break;
default:
if (format == FORMAT_VCARD21)
category_string = "INTERNET";
else if (format == FORMAT_VCARD30)
category_string = "TYPE=INTERNET;TYPE=OTHER";
}
if (select_qp_encoding(format, address, NULL)) {
snprintf(buf, sizeof(buf), "EMAIL;%s", category_string);
vcard_qp_print_encoded(vcards, buf, address, NULL);
return;
}
set_escape(format, field, address, LEN_MAX, len);
vcard_printf(vcards, "EMAIL;%s:%s", category_string, field);
}
static void vcard_printf_url(GString *vcards, uint8_t format,
const char *url,
enum phonebook_field_type category)
{
const char *category_string = "";
char buf[LEN_MAX], field[LEN_MAX];
if (!url || strlen(url) == 0) {
vcard_printf(vcards, "URL:");
return;
}
switch (category) {
case FIELD_TYPE_HOME:
if (format == FORMAT_VCARD21)
category_string = "INTERNET;HOME";
else if (format == FORMAT_VCARD30)
category_string = "TYPE=INTERNET;TYPE=HOME";
break;
case FIELD_TYPE_WORK:
if (format == FORMAT_VCARD21)
category_string = "INTERNET;WORK";
else if (format == FORMAT_VCARD30)
category_string = "TYPE=INTERNET;TYPE=WORK";
break;
default:
if (format == FORMAT_VCARD21)
category_string = "INTERNET";
else if (format == FORMAT_VCARD30)
category_string = "TYPE=INTERNET";
break;
}
if (select_qp_encoding(format, url, NULL)) {
snprintf(buf, sizeof(buf), "URL;%s", category_string);
vcard_qp_print_encoded(vcards, buf, url, NULL);
return;
}
set_escape(format, field, url, LEN_MAX, strlen(url));
vcard_printf(vcards, "URL;%s:%s", category_string, field);
}
static gboolean org_fields_present(struct phonebook_contact *contact)
{
if (contact->company && strlen(contact->company))
return TRUE;
if (contact->department && strlen(contact->department))
return TRUE;
return FALSE;
}
static void vcard_printf_org(GString *vcards, uint8_t format,
struct phonebook_contact *contact)
{
char *fields;
if (org_fields_present(contact) == FALSE)
return;
if (select_qp_encoding(format, contact->company,
contact->department, NULL)) {
vcard_qp_print_encoded(vcards, "ORG", contact->company,
contact->department, NULL);
return;
}
get_escaped_fields(format, &fields, contact->company,
contact->department, NULL);
vcard_printf(vcards, "ORG:%s", fields);
g_free(fields);
}
static void vcard_printf_address(GString *vcards, uint8_t format,
struct phonebook_addr *address)
{
char *fields, field_esc[LEN_MAX];
const char *category_string = "";
char buf[LEN_MAX], *address_fields[ADDR_FIELD_AMOUNT];
int i;
size_t len;
GSList *l;
if (!address) {
vcard_printf(vcards, "ADR:");
return;
}
switch (address->type) {
case FIELD_TYPE_HOME:
if (format == FORMAT_VCARD21)
category_string = "HOME";
else if (format == FORMAT_VCARD30)
category_string = "TYPE=HOME";
break;
case FIELD_TYPE_WORK:
if (format == FORMAT_VCARD21)
category_string = "WORK";
else if (format == FORMAT_VCARD30)
category_string = "TYPE=WORK";
break;
default:
if (format == FORMAT_VCARD21)
category_string = "OTHER";
else if (format == FORMAT_VCARD30)
category_string = "TYPE=OTHER";
break;
}
for (i = 0, l = address->fields; l; l = l->next)
address_fields[i++] = l->data;
if (select_qp_encoding(format, address_fields[0], address_fields[1],
address_fields[2], address_fields[3],
address_fields[4], address_fields[5],
address_fields[6], NULL)) {
snprintf(buf, sizeof(buf), "ADR;%s", category_string);
vcard_qp_print_encoded(vcards, buf,
address_fields[0], address_fields[1],
address_fields[2], address_fields[3],
address_fields[4], address_fields[5],
address_fields[6], NULL);
return;
}
/* allocate enough memory to insert address fields separated by ';'
* and terminated by '\0' */
len = ADDR_FIELD_AMOUNT * LEN_MAX;
fields = g_malloc0(len);
for (l = address->fields; l; l = l->next) {
char *field = l->data;
if (field) {
set_escape(format, field_esc, field, LEN_MAX,
strlen(field));
g_strlcat(fields, field_esc, len);
}
if (l->next)
/* not adding ';' after last addr field */
g_strlcat(fields, ";", len);
}
vcard_printf(vcards,"ADR;%s:%s", category_string, fields);
g_free(fields);
}
static void vcard_printf_datetime(GString *vcards, uint8_t format,
struct phonebook_contact *contact)
{
const char *type;
char buf[LEN_MAX];
switch (contact->calltype) {
case CALL_TYPE_MISSED:
type = "MISSED";
break;
case CALL_TYPE_INCOMING:
type = "RECEIVED";
break;
case CALL_TYPE_OUTGOING:
type = "DIALED";
break;
case CALL_TYPE_NOT_A_CALL:
default:
return;
}
if (select_qp_encoding(format, contact->datetime, NULL)) {
snprintf(buf, sizeof(buf), "X-IRMC-CALL-DATETIME;%s", type);
vcard_qp_print_encoded(vcards, buf, contact->datetime, NULL);
return;
}
vcard_printf(vcards, "X-IRMC-CALL-DATETIME;%s:%s", type,
contact->datetime);
}
static void vcard_printf_end(GString *vcards)
{
vcard_printf(vcards, "END:VCARD");
}
void phonebook_add_contact(GString *vcards, struct phonebook_contact *contact,
uint64_t filter, uint8_t format)
{
if (format == FORMAT_VCARD30 && filter)
filter |= (FILTER_VERSION | FILTER_FN | FILTER_N | FILTER_TEL);
else if (format == FORMAT_VCARD21 && filter)
filter |= (FILTER_VERSION | FILTER_N | FILTER_TEL);
else
filter = (FILTER_VERSION | FILTER_UID | FILTER_N | FILTER_FN |
FILTER_TEL | FILTER_EMAIL | FILTER_ADR |
FILTER_BDAY | FILTER_NICKNAME | FILTER_URL |
FILTER_PHOTO | FILTER_ORG | FILTER_ROLE |
FILTER_TITLE | FILTER_X_IRMC_CALL_DATETIME);
vcard_printf_begin(vcards, format);
if (filter & FILTER_UID && *contact->uid)
vcard_printf_tag(vcards, format, "UID", NULL, contact->uid);
if (filter & FILTER_N)
vcard_printf_name(vcards, format, contact);
if (filter & FILTER_FN && (*contact->fullname ||
format == FORMAT_VCARD30))
vcard_printf_fullname(vcards, format, contact->fullname);
if (filter & FILTER_TEL) {
GSList *l = contact->numbers;
if (g_slist_length(l) == 0)
vcard_printf_number(vcards, format, NULL, 1,
TEL_TYPE_OTHER);
for (; l; l = l->next) {
struct phonebook_field *number = l->data;
vcard_printf_number(vcards, format, number->text, 1,
number->type);
}
}
if (filter & FILTER_EMAIL) {
GSList *l = contact->emails;
for (; l; l = l->next) {
struct phonebook_field *email = l->data;
vcard_printf_email(vcards, format, email->text,
email->type);
}
}
if (filter & FILTER_ADR) {
GSList *l = contact->addresses;
for (; l; l = l->next) {
struct phonebook_addr *addr = l->data;
vcard_printf_address(vcards, format, addr);
}
}
if (filter & FILTER_BDAY && *contact->birthday)
vcard_printf_tag(vcards, format, "BDAY", NULL,
contact->birthday);
if (filter & FILTER_NICKNAME && *contact->nickname)
vcard_printf_tag(vcards, format, "NICKNAME", NULL,
contact->nickname);
if (filter & FILTER_URL) {
GSList *l = contact->urls;
for (; l; l = l->next) {
struct phonebook_field *url = l->data;
vcard_printf_url(vcards, format, url->text, url->type);
}
}
if (filter & FILTER_PHOTO && *contact->photo)
vcard_printf_tag(vcards, format, "PHOTO", NULL,
contact->photo);
if (filter & FILTER_ORG)
vcard_printf_org(vcards, format, contact);
if (filter & FILTER_ROLE && *contact->role)
vcard_printf_tag(vcards, format, "ROLE", NULL, contact->role);
if (filter & FILTER_TITLE && *contact->title)
vcard_printf_tag(vcards, format, "TITLE", NULL, contact->title);
if (filter & FILTER_X_IRMC_CALL_DATETIME)
vcard_printf_datetime(vcards, format, contact);
vcard_printf_end(vcards);
}
static void field_free(gpointer data)
{
struct phonebook_field *field = data;
g_free(field->text);
g_free(field);
}
void phonebook_addr_free(gpointer addr)
{
struct phonebook_addr *address = addr;
g_slist_free_full(address->fields, g_free);
g_free(address);
}
void phonebook_contact_free(struct phonebook_contact *contact)
{
if (contact == NULL)
return;
g_slist_free_full(contact->numbers, field_free);
g_slist_free_full(contact->emails, field_free);
g_slist_free_full(contact->addresses, phonebook_addr_free);
g_slist_free_full(contact->urls, field_free);
g_free(contact->uid);
g_free(contact->fullname);
g_free(contact->given);
g_free(contact->family);
g_free(contact->additional);
g_free(contact->prefix);
g_free(contact->suffix);
g_free(contact->birthday);
g_free(contact->nickname);
g_free(contact->photo);
g_free(contact->company);
g_free(contact->department);
g_free(contact->role);
g_free(contact->title);
g_free(contact->datetime);
g_free(contact);
}