/*
* libEtPan! -- a mail stuff library
*
* Copyright (C) 2001, 2005 - DINH Viet Hoa
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the libEtPan! project nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* $Id: imapstorage.c,v 1.18 2007/06/30 12:58:21 hoa Exp $
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "imapstorage.h"
#include <stdlib.h>
#include <string.h>
#include "mail.h"
#include "imapdriver.h"
#include "imapdriver_cached.h"
#include "mailstorage_tools.h"
#include "maildriver.h"
/* imap storage */
#define IMAP_DEFAULT_PORT 143
#define IMAPS_DEFAULT_PORT 993
static int imap_mailstorage_connect(struct mailstorage * storage);
static int
imap_mailstorage_get_folder_session(struct mailstorage * storage,
char * pathname, mailsession ** result);
static void imap_mailstorage_uninitialize(struct mailstorage * storage);
static mailstorage_driver imap_mailstorage_driver = {
/* sto_name */ "imap",
/* sto_connect */ imap_mailstorage_connect,
/* sto_get_folder_session */ imap_mailstorage_get_folder_session,
/* sto_uninitialize */ imap_mailstorage_uninitialize,
};
LIBETPAN_EXPORT
int imap_mailstorage_init(struct mailstorage * storage,
const char * imap_servername, uint16_t imap_port,
const char * imap_command,
int imap_connection_type, int imap_auth_type,
const char * imap_login, const char * imap_password,
int imap_cached, const char * imap_cache_directory)
{
return imap_mailstorage_init_sasl(storage,
imap_servername, imap_port,
imap_command,
imap_connection_type,
NULL,
NULL,
NULL, NULL,
imap_login, imap_login,
imap_password, NULL,
imap_cached, imap_cache_directory);
}
LIBETPAN_EXPORT
int imap_mailstorage_init_sasl(struct mailstorage * storage,
const char * imap_servername, uint16_t imap_port,
const char * imap_command,
int imap_connection_type,
const char * auth_type,
const char * server_fqdn,
const char * local_ip_port,
const char * remote_ip_port,
const char * login, const char * auth_name,
const char * password, const char * realm,
int imap_cached, const char * imap_cache_directory)
{
return imap_mailstorage_init_sasl_with_local_address(storage,
imap_servername, imap_port,
NULL, 0,
imap_command,
imap_connection_type,
auth_type,
server_fqdn,
local_ip_port,
remote_ip_port,
login, auth_name,
password, realm,
imap_cached, imap_cache_directory);
}
LIBETPAN_EXPORT
int imap_mailstorage_init_sasl_with_local_address(struct mailstorage * storage,
const char * imap_servername, uint16_t imap_port,
const char * imap_local_address, uint16_t imap_local_port,
const char * imap_command,
int imap_connection_type,
const char * auth_type,
const char * server_fqdn,
const char * local_ip_port,
const char * remote_ip_port,
const char * login, const char * auth_name,
const char * password, const char * realm,
int imap_cached, const char * imap_cache_directory)
{
struct imap_mailstorage * imap_storage;
imap_storage = malloc(sizeof(* imap_storage));
if (imap_storage == NULL)
goto err;
if (imap_servername != NULL) {
imap_storage->imap_servername = strdup(imap_servername);
if (imap_storage->imap_servername == NULL)
goto free;
}
else {
imap_storage->imap_servername = NULL;
}
if (imap_local_address != NULL) {
imap_storage->imap_local_address = strdup(imap_local_address);
if (imap_storage->imap_local_address == NULL)
goto free_servername;
}
else {
imap_storage->imap_local_address = NULL;
}
imap_storage->imap_local_port = imap_local_port;
imap_storage->imap_connection_type = imap_connection_type;
if (imap_port == 0) {
switch (imap_connection_type) {
case CONNECTION_TYPE_PLAIN:
case CONNECTION_TYPE_TRY_STARTTLS:
case CONNECTION_TYPE_STARTTLS:
case CONNECTION_TYPE_COMMAND:
case CONNECTION_TYPE_COMMAND_TRY_STARTTLS:
case CONNECTION_TYPE_COMMAND_STARTTLS:
imap_port = IMAP_DEFAULT_PORT;
break;
case CONNECTION_TYPE_TLS:
case CONNECTION_TYPE_COMMAND_TLS:
imap_port = IMAPS_DEFAULT_PORT;
break;
default:
imap_port = IMAP_DEFAULT_PORT;
break;
}
}
imap_storage->imap_port = imap_port;
if (imap_command != NULL) {
imap_storage->imap_command = strdup(imap_command);
if (imap_storage->imap_command == NULL)
goto free_local_address;
}
else
imap_storage->imap_command = NULL;
imap_storage->imap_auth_type = IMAP_AUTH_TYPE_PLAIN;
imap_storage->imap_sasl.sasl_enabled = (auth_type != NULL);
if (auth_type != NULL) {
imap_storage->imap_sasl.sasl_auth_type = strdup(auth_type);
if (imap_storage->imap_sasl.sasl_auth_type == NULL)
goto free_command;
}
else
imap_storage->imap_sasl.sasl_auth_type = NULL;
if (server_fqdn != NULL) {
imap_storage->imap_sasl.sasl_server_fqdn = strdup(server_fqdn);
if (imap_storage->imap_sasl.sasl_server_fqdn == NULL)
goto free_auth_type;
}
else
imap_storage->imap_sasl.sasl_server_fqdn = NULL;
if (local_ip_port != NULL) {
imap_storage->imap_sasl.sasl_local_ip_port = strdup(local_ip_port);
if (imap_storage->imap_sasl.sasl_local_ip_port == NULL)
goto free_server_fqdn;
}
else
imap_storage->imap_sasl.sasl_local_ip_port = NULL;
if (remote_ip_port != NULL) {
imap_storage->imap_sasl.sasl_remote_ip_port = strdup(remote_ip_port);
if (imap_storage->imap_sasl.sasl_remote_ip_port == NULL)
goto free_local_ip_port;
}
else
imap_storage->imap_sasl.sasl_remote_ip_port = NULL;
if (login != NULL) {
imap_storage->imap_sasl.sasl_login = strdup(login);
if (imap_storage->imap_sasl.sasl_login == NULL)
goto free_remote_ip_port;
}
else
imap_storage->imap_sasl.sasl_login = NULL;
if (auth_name != NULL) {
imap_storage->imap_sasl.sasl_auth_name = strdup(auth_name);
if (imap_storage->imap_sasl.sasl_auth_name == NULL)
goto free_login;
}
else
imap_storage->imap_sasl.sasl_auth_name = NULL;
if (password != NULL) {
imap_storage->imap_sasl.sasl_password = strdup(password);
if (imap_storage->imap_sasl.sasl_password == NULL)
goto free_auth_name;
}
else
imap_storage->imap_sasl.sasl_password = NULL;
if (realm != NULL) {
imap_storage->imap_sasl.sasl_realm = strdup(realm);
if (imap_storage->imap_sasl.sasl_realm == NULL)
goto free_password;
}
else
imap_storage->imap_sasl.sasl_realm = NULL;
imap_storage->imap_cached = imap_cached;
if (imap_cached && (imap_cache_directory != NULL)) {
imap_storage->imap_cache_directory = strdup(imap_cache_directory);
if (imap_storage->imap_cache_directory == NULL)
goto free_realm;
}
else {
imap_storage->imap_cached = FALSE;
imap_storage->imap_cache_directory = NULL;
}
imap_storage->imap_auth_type = imap_storage->imap_auth_type;
if (imap_storage->imap_sasl.sasl_login != NULL) {
imap_storage->imap_login = strdup(imap_storage->imap_sasl.sasl_login);
if (imap_storage->imap_login == NULL)
goto free_cache_directory;
}
else {
imap_storage->imap_login = NULL;
}
if (imap_storage->imap_sasl.sasl_password != NULL) {
imap_storage->imap_password = strdup(imap_storage->imap_sasl.sasl_password);
if (imap_storage->imap_password == NULL)
goto free_copy_login;
}
storage->sto_data = imap_storage;
storage->sto_driver = &imap_mailstorage_driver;
return MAIL_NO_ERROR;
free_copy_login:
free(imap_storage->imap_login);
free_cache_directory:
free(imap_storage->imap_cache_directory);
free_realm:
free(imap_storage->imap_sasl.sasl_realm);
free_password:
free(imap_storage->imap_sasl.sasl_password);
free_auth_name:
free(imap_storage->imap_sasl.sasl_auth_name);
free_login:
free(imap_storage->imap_sasl.sasl_login);
free_remote_ip_port:
free(imap_storage->imap_sasl.sasl_remote_ip_port);
free_local_ip_port:
free(imap_storage->imap_sasl.sasl_local_ip_port);
free_server_fqdn:
free(imap_storage->imap_sasl.sasl_server_fqdn);
free_auth_type:
free(imap_storage->imap_sasl.sasl_auth_type);
free_command:
free(imap_storage->imap_command);
free_local_address:
free(imap_storage->imap_local_address);
free_servername:
free(imap_storage->imap_servername);
free:
free(imap_storage);
err:
return MAIL_ERROR_MEMORY;
}
static void imap_mailstorage_uninitialize(struct mailstorage * storage)
{
struct imap_mailstorage * imap_storage;
imap_storage = storage->sto_data;
free(imap_storage->imap_password);
free(imap_storage->imap_login);
free(imap_storage->imap_cache_directory);
free(imap_storage->imap_sasl.sasl_realm);
free(imap_storage->imap_sasl.sasl_password);
free(imap_storage->imap_sasl.sasl_auth_name);
free(imap_storage->imap_sasl.sasl_login);
free(imap_storage->imap_sasl.sasl_remote_ip_port);
free(imap_storage->imap_sasl.sasl_local_ip_port);
free(imap_storage->imap_sasl.sasl_server_fqdn);
free(imap_storage->imap_sasl.sasl_auth_type);
free(imap_storage->imap_command);
free(imap_storage->imap_local_address);
free(imap_storage->imap_servername);
free(imap_storage);
storage->sto_data = NULL;
}
static int imap_connect(struct mailstorage * storage,
mailsession ** result)
{
struct imap_mailstorage * imap_storage;
mailsession_driver * driver;
int r;
int res;
mailsession * session;
imap_storage = storage->sto_data;
if (imap_storage->imap_cached)
driver = imap_cached_session_driver;
else
driver = imap_session_driver;
r = mailstorage_generic_connect_with_local_address(driver,
imap_storage->imap_servername,
imap_storage->imap_port,
imap_storage->imap_local_address,
imap_storage->imap_local_port,
imap_storage->imap_command,
imap_storage->imap_connection_type,
IMAPDRIVER_CACHED_SET_CACHE_DIRECTORY,
imap_storage->imap_cache_directory,
0, NULL,
&session);
switch (r) {
case MAIL_NO_ERROR_NON_AUTHENTICATED:
case MAIL_NO_ERROR_AUTHENTICATED:
case MAIL_NO_ERROR:
break;
default:
res = r;
goto err;
}
r = mailstorage_generic_auth_sasl(session, r,
imap_storage->imap_sasl.sasl_auth_type,
imap_storage->imap_sasl.sasl_server_fqdn,
imap_storage->imap_sasl.sasl_local_ip_port,
imap_storage->imap_sasl.sasl_remote_ip_port,
imap_storage->imap_sasl.sasl_login,
imap_storage->imap_sasl.sasl_auth_name,
imap_storage->imap_sasl.sasl_password,
imap_storage->imap_sasl.sasl_realm);
if (r != MAIL_NO_ERROR) {
res = r;
goto free;
}
* result = session;
return MAIL_NO_ERROR;
free:
mailsession_free(session);
err:
return res;
}
static int imap_mailstorage_connect(struct mailstorage * storage)
{
mailsession * session;
int r;
int res;
r = imap_connect(storage, &session);
if (r != MAIL_NO_ERROR) {
res = r;
goto err;
}
r = mailsession_select_folder(session, "INBOX");
if (r != MAIL_NO_ERROR) {
mailsession_logout(session);
res = r;
goto err;
}
storage->sto_session = session;
storage->sto_driver = &imap_mailstorage_driver;
return MAIL_NO_ERROR;
err:
return res;
}
static int
imap_mailstorage_get_folder_session(struct mailstorage * storage,
char * pathname, mailsession ** result)
{
mailsession * session;
int r;
int res;
if (strcasecmp(pathname, "INBOX") == 0) {
session = storage->sto_session;
}
else {
r = imap_connect(storage, &session);
if (r != MAIL_NO_ERROR) {
res = r;
goto err;
}
r = mailsession_select_folder(session, pathname);
if (r != MAIL_NO_ERROR) {
mailsession_logout(session);
res = r;
goto free;
}
}
* result = session;
return MAIL_NO_ERROR;
free:
mailsession_free(session);
err:
return res;
}
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