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claws-mail/src/imap.c
Colin Leroy eca59e3ebb 2006-12-16 [colin] 2.6.1cvs43 
* po/POTFILES.in
	* src/imap.c
	* src/common/nntp.c
	* src/common/session.c
		Log error when SSL handshakes fail.
		Fixes bug 1082, 'incorrect / imprecise
		error message when imap server provides
		ssl only through STARTTLS but SSL is
		selected'
2006-12-16 16:38:14 +00:00

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/*
* Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
* Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Claws Mail team
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "defs.h"
#include <glib.h>
#include <glib/gi18n.h>
#include <stdio.h>
#include <string.h>
#include "imap.h"
#include "imap_gtk.h"
#include "inc.h"
#include "xml.h"
#ifdef HAVE_LIBETPAN
#include <stdlib.h>
#include <dirent.h>
#include <unistd.h>
#include <ctype.h>
#include <time.h>
#include <errno.h>
#if HAVE_ICONV
# include <iconv.h>
#endif
#if USE_OPENSSL
# include "ssl.h"
#endif
#include "folder.h"
#include "session.h"
#include "procmsg.h"
#include "socket.h"
#include "recv.h"
#include "procheader.h"
#include "prefs_account.h"
#include "codeconv.h"
#include "md5.h"
#include "base64.h"
#include "utils.h"
#include "prefs_common.h"
#include "inputdialog.h"
#include "log.h"
#include "remotefolder.h"
#include "alertpanel.h"
#include "claws.h"
#include "statusbar.h"
#include "msgcache.h"
#include "imap-thread.h"
#include "account.h"
typedef struct _IMAPFolder IMAPFolder;
typedef struct _IMAPSession IMAPSession;
typedef struct _IMAPNameSpace IMAPNameSpace;
typedef struct _IMAPFolderItem IMAPFolderItem;
#include "prefs_account.h"
#define IMAP_FOLDER(obj) ((IMAPFolder *)obj)
#define IMAP_FOLDER_ITEM(obj) ((IMAPFolderItem *)obj)
#define IMAP_SESSION(obj) ((IMAPSession *)obj)
struct _IMAPFolder
{
RemoteFolder rfolder;
/* list of IMAPNameSpace */
GList *ns_personal;
GList *ns_others;
GList *ns_shared;
gchar last_seen_separator;
guint refcnt;
};
struct _IMAPSession
{
Session session;
gboolean authenticated;
GSList *capability;
gboolean uidplus;
gchar *mbox;
guint cmd_count;
/* CLAWS */
gboolean folder_content_changed;
guint exists;
Folder * folder;
gboolean busy;
};
struct _IMAPNameSpace
{
gchar *name;
gchar separator;
};
#define IMAP_SUCCESS 0
#define IMAP_SOCKET 2
#define IMAP_AUTHFAIL 3
#define IMAP_PROTOCOL 4
#define IMAP_SYNTAX 5
#define IMAP_IOERR 6
#define IMAP_ERROR 7
#define IMAPBUFSIZE 8192
typedef enum
{
IMAP_FLAG_SEEN = 1 << 0,
IMAP_FLAG_ANSWERED = 1 << 1,
IMAP_FLAG_FLAGGED = 1 << 2,
IMAP_FLAG_DELETED = 1 << 3,
IMAP_FLAG_DRAFT = 1 << 4
} IMAPFlags;
#define IMAP_IS_SEEN(flags) ((flags & IMAP_FLAG_SEEN) != 0)
#define IMAP_IS_ANSWERED(flags) ((flags & IMAP_FLAG_ANSWERED) != 0)
#define IMAP_IS_FLAGGED(flags) ((flags & IMAP_FLAG_FLAGGED) != 0)
#define IMAP_IS_DELETED(flags) ((flags & IMAP_FLAG_DELETED) != 0)
#define IMAP_IS_DRAFT(flags) ((flags & IMAP_FLAG_DRAFT) != 0)
#define IMAP4_PORT 143
#if USE_OPENSSL
#define IMAPS_PORT 993
#endif
#define IMAP_CMD_LIMIT 1000
struct _IMAPFolderItem
{
FolderItem item;
guint lastuid;
guint uid_next;
GSList *uid_list;
gboolean batching;
time_t use_cache;
gint c_messages;
guint32 c_uid_next;
guint32 c_uid_validity;
gint c_unseen;
GHashTable *flags_set_table;
GHashTable *flags_unset_table;
};
static XMLTag *imap_item_get_xml(Folder *folder, FolderItem *item);
static void imap_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag);
static void imap_folder_init (Folder *folder,
const gchar *name,
const gchar *path);
static Folder *imap_folder_new (const gchar *name,
const gchar *path);
static void imap_folder_destroy (Folder *folder);
static IMAPSession *imap_session_new (Folder *folder,
const PrefsAccount *account);
static void imap_session_authenticate(IMAPSession *session,
const PrefsAccount *account);
static void imap_session_destroy (Session *session);
static gchar *imap_fetch_msg (Folder *folder,
FolderItem *item,
gint uid);
static gchar *imap_fetch_msg_full (Folder *folder,
FolderItem *item,
gint uid,
gboolean headers,
gboolean body);
static gint imap_add_msg (Folder *folder,
FolderItem *dest,
const gchar *file,
MsgFlags *flags);
static gint imap_add_msgs (Folder *folder,
FolderItem *dest,
GSList *file_list,
GRelation *relation);
static gint imap_copy_msg (Folder *folder,
FolderItem *dest,
MsgInfo *msginfo);
static gint imap_copy_msgs (Folder *folder,
FolderItem *dest,
MsgInfoList *msglist,
GRelation *relation);
static gint imap_remove_msg (Folder *folder,
FolderItem *item,
gint uid);
static gint imap_remove_msgs (Folder *folder,
FolderItem *dest,
MsgInfoList *msglist,
GRelation *relation);
static gint imap_remove_all_msg (Folder *folder,
FolderItem *item);
static gboolean imap_is_msg_changed (Folder *folder,
FolderItem *item,
MsgInfo *msginfo);
static gint imap_close (Folder *folder,
FolderItem *item);
static gint imap_scan_tree (Folder *folder);
static gint imap_create_tree (Folder *folder);
static FolderItem *imap_create_folder (Folder *folder,
FolderItem *parent,
const gchar *name);
static gint imap_rename_folder (Folder *folder,
FolderItem *item,
const gchar *name);
static gint imap_remove_folder (Folder *folder,
FolderItem *item);
static FolderItem *imap_folder_item_new (Folder *folder);
static void imap_folder_item_destroy (Folder *folder,
FolderItem *item);
static IMAPSession *imap_session_get (Folder *folder);
static gint imap_auth (IMAPSession *session,
const gchar *user,
const gchar *pass,
IMAPAuthType type);
static gint imap_scan_tree_recursive (IMAPSession *session,
FolderItem *item);
static void imap_create_missing_folders (Folder *folder);
static FolderItem *imap_create_special_folder
(Folder *folder,
SpecialFolderItemType stype,
const gchar *name);
static gint imap_do_copy_msgs (Folder *folder,
FolderItem *dest,
MsgInfoList *msglist,
GRelation *relation);
static void imap_delete_all_cached_messages (FolderItem *item);
static void imap_set_batch (Folder *folder,
FolderItem *item,
gboolean batch);
static gint imap_set_message_flags (IMAPSession *session,
MsgNumberList *numlist,
IMAPFlags flags,
gboolean is_set);
static gint imap_select (IMAPSession *session,
IMAPFolder *folder,
const gchar *path,
gint *exists,
gint *recent,
gint *unseen,
guint32 *uid_validity,
gboolean block);
static gint imap_status (IMAPSession *session,
IMAPFolder *folder,
const gchar *path,
IMAPFolderItem *item,
gint *messages,
guint32 *uid_next,
guint32 *uid_validity,
gint *unseen,
gboolean block);
static IMAPNameSpace *imap_find_namespace (IMAPFolder *folder,
const gchar *path);
static gchar imap_get_path_separator (IMAPFolder *folder,
const gchar *path);
static gchar *imap_get_real_path (IMAPFolder *folder,
const gchar *path);
static void imap_synchronise (FolderItem *item);
static void imap_free_capabilities (IMAPSession *session);
/* low-level IMAP4rev1 commands */
static gint imap_cmd_login (IMAPSession *session,
const gchar *user,
const gchar *pass,
const gchar *type);
static gint imap_cmd_noop (IMAPSession *session);
#if USE_OPENSSL
static gint imap_cmd_starttls (IMAPSession *session);
#endif
static gint imap_cmd_select (IMAPSession *session,
const gchar *folder,
gint *exists,
gint *recent,
gint *unseen,
guint32 *uid_validity,
gboolean block);
static gint imap_cmd_examine (IMAPSession *session,
const gchar *folder,
gint *exists,
gint *recent,
gint *unseen,
guint32 *uid_validity,
gboolean block);
static gint imap_cmd_create (IMAPSession *sock,
const gchar *folder);
static gint imap_cmd_rename (IMAPSession *sock,
const gchar *oldfolder,
const gchar *newfolder);
static gint imap_cmd_delete (IMAPSession *session,
const gchar *folder);
static gint imap_cmd_fetch (IMAPSession *sock,
guint32 uid,
const gchar *filename,
gboolean headers,
gboolean body);
static gint imap_cmd_append (IMAPSession *session,
const gchar *destfolder,
const gchar *file,
IMAPFlags flags,
guint32 *new_uid);
static gint imap_cmd_copy (IMAPSession *session,
struct mailimap_set * set,
const gchar *destfolder,
GRelation *uid_mapping,
struct mailimap_set ** source,
struct mailimap_set ** dest);
static gint imap_cmd_store (IMAPSession *session,
struct mailimap_set * set,
IMAPFlags flags,
int do_add);
static gint imap_cmd_expunge (IMAPSession *session);
static void imap_path_separator_subst (gchar *str,
gchar separator);
static gchar *imap_utf8_to_modified_utf7 (const gchar *from);
static gchar *imap_modified_utf7_to_utf8 (const gchar *mutf7_str);
static gboolean imap_rename_folder_func (GNode *node,
gpointer data);
static gint imap_get_num_list (Folder *folder,
FolderItem *item,
GSList **list,
gboolean *old_uids_valid);
static GSList *imap_get_msginfos (Folder *folder,
FolderItem *item,
GSList *msgnum_list);
static MsgInfo *imap_get_msginfo (Folder *folder,
FolderItem *item,
gint num);
static gboolean imap_scan_required (Folder *folder,
FolderItem *item);
static void imap_change_flags (Folder *folder,
FolderItem *item,
MsgInfo *msginfo,
MsgPermFlags newflags);
static gint imap_get_flags (Folder *folder,
FolderItem *item,
MsgInfoList *msglist,
GRelation *msgflags);
static gchar *imap_folder_get_path (Folder *folder);
static gchar *imap_item_get_path (Folder *folder,
FolderItem *item);
static MsgInfo *imap_parse_msg(const gchar *file, FolderItem *item);
/* data types conversion libetpan <-> claws */
static GSList * imap_list_from_lep(IMAPFolder * folder,
clist * list, const gchar * real_path, gboolean all);
static GSList * imap_get_lep_set_from_numlist(MsgNumberList *numlist);
static GSList * imap_get_lep_set_from_msglist(MsgInfoList *msglist);
static GSList * imap_uid_list_from_lep(clist * list);
static GSList * imap_uid_list_from_lep_tab(carray * list);
static MsgInfo *imap_envelope_from_lep(struct imap_fetch_env_info * info,
FolderItem *item);
static void imap_lep_set_free(GSList *seq_list);
static struct mailimap_flag_list * imap_flag_to_lep(IMAPFlags flags);
typedef struct _hashtable_data {
IMAPSession *session;
GSList *msglist;
IMAPFolderItem *item;
} hashtable_data;
static FolderClass imap_class;
typedef struct _thread_data {
gchar *server;
gushort port;
gboolean done;
SockInfo *sock;
#ifdef USE_OPENSSL
SSLType ssl_type;
#endif
} thread_data;
FolderClass *imap_get_class(void)
{
if (imap_class.idstr == NULL) {
imap_class.type = F_IMAP;
imap_class.idstr = "imap";
imap_class.uistr = "IMAP4";
/* Folder functions */
imap_class.new_folder = imap_folder_new;
imap_class.destroy_folder = imap_folder_destroy;
imap_class.scan_tree = imap_scan_tree;
imap_class.create_tree = imap_create_tree;
/* FolderItem functions */
imap_class.item_new = imap_folder_item_new;
imap_class.item_destroy = imap_folder_item_destroy;
imap_class.item_get_path = imap_item_get_path;
imap_class.create_folder = imap_create_folder;
imap_class.rename_folder = imap_rename_folder;
imap_class.remove_folder = imap_remove_folder;
imap_class.close = imap_close;
imap_class.get_num_list = imap_get_num_list;
imap_class.scan_required = imap_scan_required;
imap_class.set_xml = folder_set_xml;
imap_class.get_xml = folder_get_xml;
imap_class.item_set_xml = imap_item_set_xml;
imap_class.item_get_xml = imap_item_get_xml;
/* Message functions */
imap_class.get_msginfo = imap_get_msginfo;
imap_class.get_msginfos = imap_get_msginfos;
imap_class.fetch_msg = imap_fetch_msg;
imap_class.fetch_msg_full = imap_fetch_msg_full;
imap_class.add_msg = imap_add_msg;
imap_class.add_msgs = imap_add_msgs;
imap_class.copy_msg = imap_copy_msg;
imap_class.copy_msgs = imap_copy_msgs;
imap_class.remove_msg = imap_remove_msg;
imap_class.remove_msgs = imap_remove_msgs;
imap_class.remove_all_msg = imap_remove_all_msg;
imap_class.is_msg_changed = imap_is_msg_changed;
imap_class.change_flags = imap_change_flags;
imap_class.get_flags = imap_get_flags;
imap_class.set_batch = imap_set_batch;
imap_class.synchronise = imap_synchronise;
#ifdef USE_PTREAD
pthread_mutex_init(&imap_mutex, NULL);
#endif
}
return &imap_class;
}
static Folder *imap_folder_new(const gchar *name, const gchar *path)
{
Folder *folder;
folder = (Folder *)g_new0(IMAPFolder, 1);
folder->klass = &imap_class;
imap_folder_init(folder, name, path);
return folder;
}
static void imap_folder_destroy(Folder *folder)
{
while (imap_folder_get_refcnt(folder) > 0)
gtk_main_iteration();
folder_remote_folder_destroy(REMOTE_FOLDER(folder));
imap_done(folder);
}
static void imap_folder_init(Folder *folder, const gchar *name,
const gchar *path)
{
folder_remote_folder_init((Folder *)folder, name, path);
}
static FolderItem *imap_folder_item_new(Folder *folder)
{
IMAPFolderItem *item;
item = g_new0(IMAPFolderItem, 1);
item->lastuid = 0;
item->uid_next = 0;
item->uid_list = NULL;
return (FolderItem *)item;
}
static void imap_folder_item_destroy(Folder *folder, FolderItem *_item)
{
IMAPFolderItem *item = (IMAPFolderItem *)_item;
g_return_if_fail(item != NULL);
g_slist_free(item->uid_list);
g_free(_item);
}
static gboolean imap_reset_uid_lists_func(GNode *node, gpointer data)
{
IMAPFolderItem *item = (IMAPFolderItem *)node->data;
item->lastuid = 0;
g_slist_free(item->uid_list);
item->uid_list = NULL;
return FALSE;
}
static void imap_reset_uid_lists(Folder *folder)
{
if(folder->node == NULL)
return;
/* Destroy all uid lists and rest last uid */
g_node_traverse(folder->node, G_IN_ORDER, G_TRAVERSE_ALL, -1, imap_reset_uid_lists_func, NULL);
}
int imap_get_capabilities(IMAPSession *session)
{
struct mailimap_capability_data *capabilities = NULL;
clistiter *cur;
int result = -1;
if (session->capability != NULL)
return MAILIMAP_NO_ERROR;
capabilities = imap_threaded_capability(session->folder, &result);
if (result != MAILIMAP_NO_ERROR) {
return MAILIMAP_ERROR_CAPABILITY;
}
if (capabilities == NULL) {
return MAILIMAP_NO_ERROR;
}
for(cur = clist_begin(capabilities->cap_list) ; cur != NULL ;
cur = clist_next(cur)) {
struct mailimap_capability * cap =
clist_content(cur);
if (!cap || cap->cap_data.cap_name == NULL)
continue;
session->capability = g_slist_append
(session->capability,
g_strdup(cap->cap_data.cap_name));
debug_print("got capa %s\n", cap->cap_data.cap_name);
}
mailimap_capability_data_free(capabilities);
return MAILIMAP_NO_ERROR;
}
gboolean imap_has_capability(IMAPSession *session, const gchar *cap)
{
GSList *cur;
for (cur = session->capability; cur; cur = cur->next) {
if (!g_ascii_strcasecmp(cur->data, cap))
return TRUE;
}
return FALSE;
}
static gint imap_auth(IMAPSession *session, const gchar *user, const gchar *pass,
IMAPAuthType type)
{
gint ok = IMAP_ERROR;
static time_t last_login_err = 0;
gchar *ext_info = "";
if (imap_get_capabilities(session) != MAILIMAP_NO_ERROR)
return IMAP_ERROR;
switch(type) {
case IMAP_AUTH_ANON:
ok = imap_cmd_login(session, user, pass, "ANONYMOUS");
break;
case IMAP_AUTH_CRAM_MD5:
ok = imap_cmd_login(session, user, pass, "CRAM-MD5");
break;
case IMAP_AUTH_LOGIN:
ok = imap_cmd_login(session, user, pass, "LOGIN");
break;
case IMAP_AUTH_GSSAPI:
ok = imap_cmd_login(session, user, pass, "GSSAPI");
break;
default:
debug_print("capabilities:\n"
"\t ANONYMOUS %d\n"
"\t CRAM-MD5 %d\n"
"\t LOGIN %d\n"
"\t GSSAPI %d\n",
imap_has_capability(session, "ANONYMOUS"),
imap_has_capability(session, "CRAM-MD5"),
imap_has_capability(session, "LOGIN"),
imap_has_capability(session, "GSSAPI"));
if (imap_has_capability(session, "CRAM-MD5"))
ok = imap_cmd_login(session, user, pass, "CRAM-MD5");
if (ok == IMAP_ERROR && imap_has_capability(session, "GSSAPI"))
ok = imap_cmd_login(session, user, pass, "GSSAPI");
if (ok == IMAP_ERROR) /* we always try LOGIN before giving up */
ok = imap_cmd_login(session, user, pass, "LOGIN");
}
if (ok == IMAP_SUCCESS)
session->authenticated = TRUE;
else {
if (type == IMAP_AUTH_CRAM_MD5) {
ext_info = _("\n\nCRAM-MD5 logins only work if libetpan has been "
"compiled with SASL support and the "
"CRAM-MD5 SASL plugin is installed.");
}
if (time(NULL) - last_login_err > 10) {
if (!prefs_common.no_recv_err_panel) {
alertpanel_error(_("Connection to %s failed: "
"login refused.%s"),
SESSION(session)->server, ext_info);
} else {
log_error(_("Connection to %s failed: "
"login refused.%s\n"),
SESSION(session)->server, ext_info);
}
}
last_login_err = time(NULL);
}
return ok;
}
static IMAPSession *imap_reconnect_if_possible(Folder *folder, IMAPSession *session)
{
RemoteFolder *rfolder = REMOTE_FOLDER(folder);
/* Check if this is the first try to establish a
connection, if yes we don't try to reconnect */
debug_print("reconnecting\n");
if (rfolder->session == NULL) {
log_warning(_("Connecting to %s failed"),
folder->account->recv_server);
session_destroy(SESSION(session));
session = NULL;
} else {
log_warning(_("IMAP4 connection to %s has been"
" disconnected. Reconnecting...\n"),
folder->account->recv_server);
statusbar_print_all(_("IMAP4 connection to %s has been"
" disconnected. Reconnecting...\n"),
folder->account->recv_server);
SESSION(session)->state = SESSION_DISCONNECTED;
session_destroy(SESSION(session));
/* Clear folders session to make imap_session_get create
a new session, because of rfolder->session == NULL
it will not try to reconnect again and so avoid an
endless loop */
rfolder->session = NULL;
session = imap_session_get(folder);
rfolder->session = SESSION(session);
statusbar_pop_all();
}
return session;
}
#define lock_session() {\
debug_print("locking session\n"); \
session->busy = TRUE;\
}
#define unlock_session() {\
debug_print("unlocking session\n"); \
session->busy = FALSE;\
}
static IMAPSession *imap_session_get(Folder *folder)
{
RemoteFolder *rfolder = REMOTE_FOLDER(folder);
IMAPSession *session = NULL;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(FOLDER_CLASS(folder) == &imap_class, NULL);
g_return_val_if_fail(folder->account != NULL, NULL);
if (prefs_common.work_offline &&
!inc_offline_should_override(
_("Claws Mail needs network access in order "
"to access the IMAP server."))) {
return NULL;
}
/* Make sure we have a session */
if (rfolder->session != NULL) {
session = IMAP_SESSION(rfolder->session);
/* don't do that yet...
if (session->busy) {
return NULL;
} */
} else {
imap_reset_uid_lists(folder);
if (time(NULL) - rfolder->last_failure <= 2)
return NULL;
session = imap_session_new(folder, folder->account);
}
if(session == NULL) {
rfolder->last_failure = time(NULL);
return NULL;
}
/* Make sure session is authenticated */
if (!IMAP_SESSION(session)->authenticated)
imap_session_authenticate(IMAP_SESSION(session), folder->account);
if (!IMAP_SESSION(session)->authenticated) {
imap_threaded_disconnect(session->folder);
SESSION(session)->state = SESSION_DISCONNECTED;
session_destroy(SESSION(session));
rfolder->session = NULL;
rfolder->last_failure = time(NULL);
return NULL;
}
/* I think the point of this code is to avoid sending a
* keepalive if we've used the session recently and therefore
* think it's still alive. Unfortunately, most of the code
* does not yet check for errors on the socket, and so if the
* connection drops we don't notice until the timeout expires.
* A better solution than sending a NOOP every time would be
* for every command to be prepared to retry until it is
* successfully sent. -- mbp */
if (time(NULL) - SESSION(session)->last_access_time > SESSION_TIMEOUT_INTERVAL) {
/* verify that the session is still alive */
if (imap_cmd_noop(session) != IMAP_SUCCESS) {
debug_print("disconnected!\n");
session = imap_reconnect_if_possible(folder, session);
}
}
rfolder->session = SESSION(session);
return IMAP_SESSION(session);
}
static IMAPSession *imap_session_new(Folder * folder,
const PrefsAccount *account)
{
IMAPSession *session;
gushort port;
int r;
int authenticated = FALSE;
#ifdef USE_OPENSSL
/* FIXME: IMAP over SSL only... */
SSLType ssl_type;
port = account->set_imapport ? account->imapport
: account->ssl_imap == SSL_TUNNEL ? IMAPS_PORT : IMAP4_PORT;
ssl_type = account->ssl_imap;
#else
if (account->ssl_imap != SSL_NONE) {
if (alertpanel_full(_("Insecure connection"),
_("This connection is configured to be secured "
"using SSL, but SSL is not available in this "
"build of Claws Mail. \n\n"
"Do you want to continue connecting to this "
"server? The communication would not be "
"secure."),
GTK_STOCK_CANCEL, _("Con_tinue connecting"),
NULL, FALSE, NULL, ALERT_WARNING,
G_ALERTDEFAULT) != G_ALERTALTERNATE)
return NULL;
}
port = account->set_imapport ? account->imapport
: IMAP4_PORT;
#endif
imap_init(folder);
statusbar_print_all(_("Connecting to IMAP4 server: %s..."), folder->account->recv_server);
if (account->set_tunnelcmd) {
r = imap_threaded_connect_cmd(folder,
account->tunnelcmd,
account->recv_server,
port);
}
else {
#ifdef USE_OPENSSL
if (ssl_type == SSL_TUNNEL) {
r = imap_threaded_connect_ssl(folder,
account->recv_server,
port);
}
else
#endif
{
r = imap_threaded_connect(folder,
account->recv_server,
port);
}
}
statusbar_pop_all();
if (r == MAILIMAP_NO_ERROR_AUTHENTICATED) {
authenticated = TRUE;
}
else if (r == MAILIMAP_NO_ERROR_NON_AUTHENTICATED) {
authenticated = FALSE;
}
else {
#if (LIBETPAN_VERSION_MAJOR > 0 || LIBETPAN_VERSION_MINOR > 48)
#ifdef USE_OPENSSL
if (r == MAILIMAP_ERROR_SSL)
log_error(_("SSL handshake failed\n"));
#endif
#endif
if(!prefs_common.no_recv_err_panel) {
alertpanel_error_log(_("Can't connect to IMAP4 server: %s:%d"),
account->recv_server, port);
} else {
log_error(_("Can't connect to IMAP4 server: %s:%d\n"),
account->recv_server, port);
}
return NULL;
}
session = g_new0(IMAPSession, 1);
session_init(SESSION(session));
SESSION(session)->type = SESSION_IMAP;
SESSION(session)->server = g_strdup(account->recv_server);
SESSION(session)->sock = NULL;
SESSION(session)->destroy = imap_session_destroy;
session->capability = NULL;
session->authenticated = authenticated;
session->mbox = NULL;
session->cmd_count = 0;
session->folder = folder;
IMAP_FOLDER(session->folder)->last_seen_separator = 0;
#if USE_OPENSSL
if (account->ssl_imap == SSL_STARTTLS) {
gint ok;
ok = imap_cmd_starttls(session);
if (ok != IMAP_SUCCESS) {
log_warning(_("Can't start TLS session.\n"));
session_destroy(SESSION(session));
return NULL;
}
imap_free_capabilities(session);
session->authenticated = FALSE;
session->uidplus = FALSE;
session->cmd_count = 1;
}
#endif
log_message("IMAP connection is %s-authenticated\n",
(session->authenticated) ? "pre" : "un");
return session;
}
static void imap_session_authenticate(IMAPSession *session,
const PrefsAccount *account)
{
gchar *pass, *acc_pass;
gboolean failed = FALSE;
g_return_if_fail(account->userid != NULL);
acc_pass = account->passwd;
try_again:
pass = acc_pass;
if (!pass && account->imap_auth_type != IMAP_AUTH_ANON) {
gchar *tmp_pass;
tmp_pass = input_dialog_query_password(account->recv_server, account->userid);
if (!tmp_pass)
return;
Xstrdup_a(pass, tmp_pass, {g_free(tmp_pass); return;});
g_free(tmp_pass);
} else if (account->imap_auth_type == IMAP_AUTH_ANON) {
pass = "";
}
statusbar_print_all(_("Connecting to IMAP4 server %s...\n"),
account->recv_server);
if (imap_auth(session, account->userid, pass, account->imap_auth_type) != IMAP_SUCCESS) {
statusbar_pop_all();
if (!failed) {
acc_pass = NULL;
failed = TRUE;
goto try_again;
} else {
if (prefs_common.no_recv_err_panel) {
log_error(_("Couldn't login to IMAP server %s."), account->recv_server);
mainwindow_show_error();
} else
alertpanel_error_log(_("Couldn't login to IMAP server %s."), account->recv_server);
}
return;
}
statusbar_pop_all();
session->authenticated = TRUE;
return;
}
static void imap_session_destroy(Session *session)
{
if (session->state != SESSION_DISCONNECTED)
imap_threaded_disconnect(IMAP_SESSION(session)->folder);
imap_free_capabilities(IMAP_SESSION(session));
g_free(IMAP_SESSION(session)->mbox);
sock_close(session->sock);
session->sock = NULL;
}
static gchar *imap_fetch_msg(Folder *folder, FolderItem *item, gint uid)
{
return imap_fetch_msg_full(folder, item, uid, TRUE, TRUE);
}
static guint get_size_with_crs(MsgInfo *info)
{
FILE *fp = NULL;
guint cnt = 0;
gchar buf[4096];
if (info == NULL)
return -1;
fp = procmsg_open_message(info);
if (!fp)
return -1;
while (fgets(buf, sizeof (buf), fp) != NULL) {
cnt += strlen(buf);
if (!strstr(buf, "\r") && strstr(buf, "\n"))
cnt++;
}
fclose(fp);
return cnt;
}
static gchar *imap_fetch_msg_full(Folder *folder, FolderItem *item, gint uid,
gboolean headers, gboolean body)
{
gchar *path, *filename;
IMAPSession *session;
gint ok;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(item != NULL, NULL);
if (uid == 0)
return NULL;
path = folder_item_get_path(item);
if (!is_dir_exist(path))
make_dir_hier(path);
filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(uid), NULL);
g_free(path);
debug_print("trying to fetch cached %s\n", filename);
if (is_file_exist(filename)) {
/* see whether the local file represents the whole message
* or not. As the IMAP server reports size with \r chars,
* we have to update the local file (UNIX \n only) size */
MsgInfo *msginfo = imap_parse_msg(filename, item);
MsgInfo *cached = msgcache_get_msg(item->cache,uid);
guint have_size = get_size_with_crs(msginfo);
if (cached)
debug_print("message %d has been already %scached (%d/%d).\n", uid,
have_size >= cached->size ? "fully ":"",
have_size, (int)cached->size);
if (cached && (cached->size <= have_size || !body)) {
procmsg_msginfo_free(cached);
procmsg_msginfo_free(msginfo);
file_strip_crs(filename);
return filename;
} else if (!cached && time(NULL) - get_file_mtime(filename) < 60) {
debug_print("message not cached and file recent, considering file complete\n");
procmsg_msginfo_free(msginfo);
file_strip_crs(filename);
return filename;
} else {
procmsg_msginfo_free(cached);
procmsg_msginfo_free(msginfo);
}
}
session = imap_session_get(folder);
if (!session) {
g_free(filename);
return NULL;
}
lock_session();
debug_print("IMAP fetching messages\n");
ok = imap_select(session, IMAP_FOLDER(folder), item->path,
NULL, NULL, NULL, NULL, FALSE);
if (ok != IMAP_SUCCESS) {
g_warning("can't select mailbox %s\n", item->path);
g_free(filename);
unlock_session();
return NULL;
}
debug_print("getting message %d...\n", uid);
ok = imap_cmd_fetch(session, (guint32)uid, filename, headers, body);
if (ok != IMAP_SUCCESS) {
g_warning("can't fetch message %d\n", uid);
g_free(filename);
unlock_session();
return NULL;
}
unlock_session();
file_strip_crs(filename);
return filename;
}
static gint imap_add_msg(Folder *folder, FolderItem *dest,
const gchar *file, MsgFlags *flags)
{
gint ret;
GSList file_list;
MsgFileInfo fileinfo;
g_return_val_if_fail(file != NULL, -1);
fileinfo.msginfo = NULL;
fileinfo.file = (gchar *)file;
fileinfo.flags = flags;
file_list.data = &fileinfo;
file_list.next = NULL;
ret = imap_add_msgs(folder, dest, &file_list, NULL);
return ret;
}
static gint imap_add_msgs(Folder *folder, FolderItem *dest, GSList *file_list,
GRelation *relation)
{
gchar *destdir;
IMAPSession *session;
guint32 last_uid = 0;
GSList *cur;
MsgFileInfo *fileinfo;
gint ok;
gint curnum = 0, total = 0;
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(dest != NULL, -1);
g_return_val_if_fail(file_list != NULL, -1);
session = imap_session_get(folder);
if (!session) {
return -1;
}
lock_session();
destdir = imap_get_real_path(IMAP_FOLDER(folder), dest->path);
statusbar_print_all(_("Adding messages..."));
total = g_slist_length(file_list);
for (cur = file_list; cur != NULL; cur = cur->next) {
IMAPFlags iflags = 0;
guint32 new_uid = 0;
gchar *real_file = NULL;
fileinfo = (MsgFileInfo *)cur->data;
statusbar_progress_all(curnum, total, 1);
curnum++;
if (fileinfo->flags) {
if (MSG_IS_MARKED(*fileinfo->flags))
iflags |= IMAP_FLAG_FLAGGED;
if (MSG_IS_REPLIED(*fileinfo->flags))
iflags |= IMAP_FLAG_ANSWERED;
if (!MSG_IS_UNREAD(*fileinfo->flags))
iflags |= IMAP_FLAG_SEEN;
}
if (real_file == NULL)
real_file = g_strdup(fileinfo->file);
if (folder_has_parent_of_type(dest, F_QUEUE) ||
folder_has_parent_of_type(dest, F_OUTBOX) ||
folder_has_parent_of_type(dest, F_DRAFT) ||
folder_has_parent_of_type(dest, F_TRASH))
iflags |= IMAP_FLAG_SEEN;
ok = imap_cmd_append(session, destdir, real_file, iflags,
&new_uid);
if (ok != IMAP_SUCCESS) {
g_warning("can't append message %s\n", real_file);
g_free(real_file);
g_free(destdir);
unlock_session();
statusbar_progress_all(0,0,0);
statusbar_pop_all();
return -1;
} else {
debug_print("appended new message as %d\n", new_uid);
/* put the local file in the imapcache, so that we don't
* have to fetch it back later. */
if (new_uid > 0) {
gchar *cache_path = folder_item_get_path(dest);
if (!is_dir_exist(cache_path))
make_dir_hier(cache_path);
if (is_dir_exist(cache_path)) {
gchar *cache_file = g_strconcat(
cache_path, G_DIR_SEPARATOR_S,
itos(new_uid), NULL);
copy_file(real_file, cache_file, TRUE);
debug_print("copied to cache: %s\n", cache_file);
g_free(cache_file);
}
g_free(cache_path);
}
}
if (relation != NULL)
g_relation_insert(relation, fileinfo->msginfo != NULL ?
(gpointer) fileinfo->msginfo : (gpointer) fileinfo,
GINT_TO_POINTER(dest->last_num + 1));
if (new_uid == 0) {
new_uid = dest->last_num+1;
}
if (last_uid < new_uid) {
last_uid = new_uid;
}
g_free(real_file);
}
statusbar_progress_all(0,0,0);
statusbar_pop_all();
imap_cmd_expunge(session);
unlock_session();
g_free(destdir);
return last_uid;
}
static gint imap_do_copy_msgs(Folder *folder, FolderItem *dest,
MsgInfoList *msglist, GRelation *relation)
{
FolderItem *src;
gchar *destdir;
GSList *seq_list, *cur;
MsgInfo *msginfo;
IMAPSession *session;
gint ok = IMAP_SUCCESS;
GRelation *uid_mapping;
gint last_num = 0;
gboolean single = FALSE;
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(dest != NULL, -1);
g_return_val_if_fail(msglist != NULL, -1);
session = imap_session_get(folder);
if (!session) {
return -1;
}
lock_session();
msginfo = (MsgInfo *)msglist->data;
if (msglist->next == NULL)
single = TRUE;
src = msginfo->folder;
if (src == dest) {
g_warning("the src folder is identical to the dest.\n");
unlock_session();
return -1;
}
if (src->folder != dest->folder) {
GSList *infolist = NULL, *cur;
int res = -1;
for (cur = msglist; cur; cur = cur->next) {
msginfo = (MsgInfo *)cur->data;
MsgFileInfo *fileinfo = g_new0(MsgFileInfo, 1);
fileinfo->file = procmsg_get_message_file(msginfo);
fileinfo->flags = &(msginfo->flags);
infolist = g_slist_prepend(infolist, fileinfo);
}
infolist = g_slist_reverse(infolist);
res = folder_item_add_msgs(dest, infolist, FALSE);
for (cur = infolist; cur; cur = cur->next) {
MsgFileInfo *info = (MsgFileInfo *)cur->data;
g_free(info->file);
g_free(info);
}
g_slist_free(infolist);
return res;
}
ok = imap_select(session, IMAP_FOLDER(folder), msginfo->folder->path,
NULL, NULL, NULL, NULL, FALSE);
if (ok != IMAP_SUCCESS) {
unlock_session();
return ok;
}
destdir = imap_get_real_path(IMAP_FOLDER(folder), dest->path);
seq_list = imap_get_lep_set_from_msglist(msglist);
uid_mapping = g_relation_new(2);
g_relation_index(uid_mapping, 0, g_direct_hash, g_direct_equal);
statusbar_print_all(_("Copying messages..."));
for (cur = seq_list; cur != NULL; cur = g_slist_next(cur)) {
struct mailimap_set * seq_set;
struct mailimap_set * source = NULL;
struct mailimap_set * dest = NULL;
seq_set = cur->data;
debug_print("Copying messages from %s to %s ...\n",
src->path, destdir);
ok = imap_cmd_copy(session, seq_set, destdir, uid_mapping,
&source, &dest);
if (ok == IMAP_SUCCESS) {
if (single && relation && source && dest) {
clistiter *l = clist_begin(source->set_list);
struct mailimap_set_item *i = (struct mailimap_set_item *)clist_content(l);
int snum = i->set_first;
int dnum = 0;
l = clist_begin(dest->set_list);
i = (struct mailimap_set_item *)clist_content(l);
dnum = i->set_first;
g_relation_insert(uid_mapping, GINT_TO_POINTER(snum),
GINT_TO_POINTER(dnum));
}
}
if (source)
mailimap_set_free(source);
if (dest)
mailimap_set_free(dest);
if (ok != IMAP_SUCCESS) {
g_relation_destroy(uid_mapping);
imap_lep_set_free(seq_list);
unlock_session();
return -1;
}
}
for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
MsgInfo *msginfo = (MsgInfo *)cur->data;
GTuples *tuples;
tuples = g_relation_select(uid_mapping,
GINT_TO_POINTER(msginfo->msgnum),
0);
if (tuples->len > 0) {
gint num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
g_relation_insert(relation, msginfo,
GINT_TO_POINTER(num));
if (num > last_num)
last_num = num;
debug_print("copied new message as %d\n", num);
/* put the local file in the imapcache, so that we don't
* have to fetch it back later. */
if (num > 0) {
gchar *cache_path = folder_item_get_path(msginfo->folder);
gchar *real_file = g_strconcat(
cache_path, G_DIR_SEPARATOR_S,
itos(msginfo->msgnum), NULL);
gchar *cache_file = NULL;
g_free(cache_path);
cache_path = folder_item_get_path(dest);
cache_file = g_strconcat(
cache_path, G_DIR_SEPARATOR_S,
itos(num), NULL);
if (!is_dir_exist(cache_path))
make_dir_hier(cache_path);
if (is_file_exist(real_file) && is_dir_exist(cache_path)) {
copy_file(real_file, cache_file, TRUE);
debug_print("copied to cache: %s\n", cache_file);
}
g_free(real_file);
g_free(cache_file);
g_free(cache_path);
}
} else
g_relation_insert(relation, msginfo,
GINT_TO_POINTER(0));
g_tuples_destroy(tuples);
}
statusbar_pop_all();
g_relation_destroy(uid_mapping);
imap_lep_set_free(seq_list);
g_free(destdir);
IMAP_FOLDER_ITEM(dest)->lastuid = 0;
IMAP_FOLDER_ITEM(dest)->uid_next = 0;
g_slist_free(IMAP_FOLDER_ITEM(dest)->uid_list);
IMAP_FOLDER_ITEM(dest)->uid_list = NULL;
unlock_session();
if (ok == IMAP_SUCCESS)
return last_num;
else
return -1;
}
static gint imap_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
{
GSList msglist;
g_return_val_if_fail(msginfo != NULL, -1);
msglist.data = msginfo;
msglist.next = NULL;
return imap_copy_msgs(folder, dest, &msglist, NULL);
}
static gint imap_copy_msgs(Folder *folder, FolderItem *dest,
MsgInfoList *msglist, GRelation *relation)
{
MsgInfo *msginfo;
gint ret;
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(dest != NULL, -1);
g_return_val_if_fail(msglist != NULL, -1);
msginfo = (MsgInfo *)msglist->data;
g_return_val_if_fail(msginfo->folder != NULL, -1);
ret = imap_do_copy_msgs(folder, dest, msglist, relation);
return ret;
}
static gint imap_do_remove_msgs(Folder *folder, FolderItem *dest,
MsgInfoList *msglist, GRelation *relation)
{
gchar *destdir, *dir;
GSList *numlist = NULL, *cur;
MsgInfo *msginfo;
IMAPSession *session;
gint ok = IMAP_SUCCESS;
GRelation *uid_mapping;
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(dest != NULL, -1);
g_return_val_if_fail(msglist != NULL, -1);
session = imap_session_get(folder);
if (!session) {
return -1;
}
lock_session();
msginfo = (MsgInfo *)msglist->data;
ok = imap_select(session, IMAP_FOLDER(folder), msginfo->folder->path,
NULL, NULL, NULL, NULL, FALSE);
if (ok != IMAP_SUCCESS) {
unlock_session();
return ok;
}
destdir = imap_get_real_path(IMAP_FOLDER(folder), dest->path);
for (cur = msglist; cur; cur = cur->next) {
msginfo = (MsgInfo *)cur->data;
if (!MSG_IS_DELETED(msginfo->flags))
numlist = g_slist_prepend(numlist, GINT_TO_POINTER(msginfo->msgnum));
}
numlist = g_slist_reverse(numlist);
uid_mapping = g_relation_new(2);
g_relation_index(uid_mapping, 0, g_direct_hash, g_direct_equal);
ok = imap_set_message_flags
(IMAP_SESSION(REMOTE_FOLDER(folder)->session),
numlist, IMAP_FLAG_DELETED, TRUE);
if (ok != IMAP_SUCCESS) {
log_warning(_("can't set deleted flags\n"));
unlock_session();
return ok;
}
ok = imap_cmd_expunge(session);
if (ok != IMAP_SUCCESS) {
log_warning(_("can't expunge\n"));
unlock_session();
return ok;
}
dir = folder_item_get_path(msginfo->folder);
if (is_dir_exist(dir)) {
for (cur = msglist; cur; cur = cur->next) {
msginfo = (MsgInfo *)cur->data;
remove_numbered_files(dir, msginfo->msgnum, msginfo->msgnum);
}
}
g_free(dir);
g_relation_destroy(uid_mapping);
g_slist_free(numlist);
g_free(destdir);
unlock_session();
if (ok == IMAP_SUCCESS)
return 0;
else
return -1;
}
static gint imap_remove_msgs(Folder *folder, FolderItem *dest,
MsgInfoList *msglist, GRelation *relation)
{
MsgInfo *msginfo;
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(dest != NULL, -1);
if (msglist == NULL)
return 0;
msginfo = (MsgInfo *)msglist->data;
g_return_val_if_fail(msginfo->folder != NULL, -1);
return imap_do_remove_msgs(folder, dest, msglist, relation);
}
static gint imap_remove_all_msg(Folder *folder, FolderItem *item)
{
GSList *list = folder_item_get_msg_list(item);
gint res = imap_remove_msgs(folder, item, list, NULL);
procmsg_msg_list_free(list);
return res;
}
static gboolean imap_is_msg_changed(Folder *folder, FolderItem *item,
MsgInfo *msginfo)
{
/* TODO: properly implement this method */
return FALSE;
}
static gint imap_close(Folder *folder, FolderItem *item)
{
return 0;
}
static gint imap_scan_tree(Folder *folder)
{
FolderItem *item = NULL;
IMAPSession *session;
gchar *root_folder = NULL;
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(folder->account != NULL, -1);
session = imap_session_get(folder);
if (!session) {
if (!folder->node) {
folder_tree_destroy(folder);
item = folder_item_new(folder, folder->name, NULL);
item->folder = folder;
folder->node = item->node = g_node_new(item);
}
return -1;
}
lock_session();
if (folder->account->imap_dir && *folder->account->imap_dir) {
gchar *real_path;
int r;
clist * lep_list;
Xstrdup_a(root_folder, folder->account->imap_dir, {unlock_session();return -1;});
extract_quote(root_folder, '"');
subst_char(root_folder,
imap_get_path_separator(IMAP_FOLDER(folder),
root_folder),
'/');
strtailchomp(root_folder, '/');
real_path = imap_get_real_path
(IMAP_FOLDER(folder), root_folder);
debug_print("IMAP root directory: %s\n", real_path);
/* check if root directory exist */
r = imap_threaded_list(session->folder, "", real_path,
&lep_list);
if ((r != MAILIMAP_NO_ERROR) || (clist_count(lep_list) == 0)) {
if (!folder->node) {
item = folder_item_new(folder, folder->name, NULL);
item->folder = folder;
folder->node = item->node = g_node_new(item);
}
unlock_session();
return -1;
}
mailimap_list_result_free(lep_list);
g_free(real_path);
}
if (folder->node)
item = FOLDER_ITEM(folder->node->data);
if (!item || ((item->path || root_folder) &&
strcmp2(item->path, root_folder) != 0)) {
folder_tree_destroy(folder);
item = folder_item_new(folder, folder->name, root_folder);
item->folder = folder;
folder->node = item->node = g_node_new(item);
}
imap_scan_tree_recursive(session, FOLDER_ITEM(folder->node->data));
imap_create_missing_folders(folder);
unlock_session();
return 0;
}
static gint imap_scan_tree_recursive(IMAPSession *session, FolderItem *item)
{
Folder *folder;
IMAPFolder *imapfolder;
FolderItem *new_item;
GSList *item_list, *cur;
GNode *node;
gchar *real_path;
gchar *wildcard_path;
gchar separator;
gchar wildcard[3];
clist * lep_list;
int r;
g_return_val_if_fail(item != NULL, -1);
g_return_val_if_fail(item->folder != NULL, -1);
g_return_val_if_fail(item->no_sub == FALSE, -1);
folder = item->folder;
imapfolder = IMAP_FOLDER(folder);
separator = imap_get_path_separator(imapfolder, item->path);
if (folder->ui_func)
folder->ui_func(folder, item, folder->ui_func_data);
if (item->path) {
wildcard[0] = separator;
wildcard[1] = '%';
wildcard[2] = '\0';
real_path = imap_get_real_path(imapfolder, item->path);
} else {
wildcard[0] = '%';
wildcard[1] = '\0';
real_path = g_strdup("");
}
Xstrcat_a(wildcard_path, real_path, wildcard,
{g_free(real_path); return IMAP_ERROR;});
lep_list = NULL;
r = imap_threaded_list(folder, "", wildcard_path, &lep_list);
if (r != MAILIMAP_NO_ERROR) {
item_list = NULL;
}
else {
item_list = imap_list_from_lep(imapfolder,
lep_list, real_path, FALSE);
mailimap_list_result_free(lep_list);
}
g_free(real_path);
node = item->node->children;
while (node != NULL) {
FolderItem *old_item = FOLDER_ITEM(node->data);
GNode *next = node->next;
new_item = NULL;
for (cur = item_list; cur != NULL; cur = cur->next) {
FolderItem *cur_item = FOLDER_ITEM(cur->data);
if (!strcmp2(old_item->path, cur_item->path)) {
new_item = cur_item;
break;
}
}
if (!new_item) {
debug_print("folder '%s' not found. removing...\n",
old_item->path);
folder_item_remove(old_item);
} else {
old_item->no_sub = new_item->no_sub;
old_item->no_select = new_item->no_select;
if (old_item->no_sub == TRUE && node->children) {
debug_print("folder '%s' doesn't have "
"subfolders. removing...\n",
old_item->path);
folder_item_remove_children(old_item);
}
}
node = next;
}
for (cur = item_list; cur != NULL; cur = cur->next) {
FolderItem *cur_item = FOLDER_ITEM(cur->data);
new_item = NULL;
for (node = item->node->children; node != NULL;
node = node->next) {
if (!strcmp2(FOLDER_ITEM(node->data)->path,
cur_item->path)) {
new_item = FOLDER_ITEM(node->data);
folder_item_destroy(cur_item);
cur_item = NULL;
break;
}
}
if (!new_item) {
new_item = cur_item;
debug_print("new folder '%s' found.\n", new_item->path);
folder_item_append(item, new_item);
}
if (!strcmp(new_item->path, "INBOX")) {
new_item->stype = F_INBOX;
folder->inbox = new_item;
} else if (!folder_item_parent(item) || item->stype == F_INBOX) {
gchar *base;
base = g_path_get_basename(new_item->path);
if (!folder->outbox && !g_ascii_strcasecmp(base, "Sent")) {
new_item->stype = F_OUTBOX;
folder->outbox = new_item;
} else if (!folder->draft && !g_ascii_strcasecmp(base, "Drafts")) {
new_item->stype = F_DRAFT;
folder->draft = new_item;
} else if (!folder->queue && !g_ascii_strcasecmp(base, "Queue")) {
new_item->stype = F_QUEUE;
folder->queue = new_item;
} else if (!folder->trash && !g_ascii_strcasecmp(base, "Trash")) {
new_item->stype = F_TRASH;
folder->trash = new_item;
}
g_free(base);
}
if (new_item->no_sub == FALSE)
imap_scan_tree_recursive(session, new_item);
}
g_slist_free(item_list);
return IMAP_SUCCESS;
}
static gint imap_create_tree(Folder *folder)
{
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(folder->node != NULL, -1);
g_return_val_if_fail(folder->node->data != NULL, -1);
g_return_val_if_fail(folder->account != NULL, -1);
imap_scan_tree(folder);
imap_create_missing_folders(folder);
return 0;
}
static void imap_create_missing_folders(Folder *folder)
{
g_return_if_fail(folder != NULL);
if (!folder->inbox)
folder->inbox = imap_create_special_folder
(folder, F_INBOX, "INBOX");
if (!folder->trash)
folder->trash = imap_create_special_folder
(folder, F_TRASH, "Trash");
if (!folder->queue)
folder->queue = imap_create_special_folder
(folder, F_QUEUE, "Queue");
if (!folder->outbox)
folder->outbox = imap_create_special_folder
(folder, F_OUTBOX, "Sent");
if (!folder->draft)
folder->draft = imap_create_special_folder
(folder, F_DRAFT, "Drafts");
}
static FolderItem *imap_create_special_folder(Folder *folder,
SpecialFolderItemType stype,
const gchar *name)
{
FolderItem *item;
FolderItem *new_item;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(folder->node != NULL, NULL);
g_return_val_if_fail(folder->node->data != NULL, NULL);
g_return_val_if_fail(folder->account != NULL, NULL);
g_return_val_if_fail(name != NULL, NULL);
item = FOLDER_ITEM(folder->node->data);
new_item = imap_create_folder(folder, item, name);
if (!new_item) {
g_warning("Can't create '%s'\n", name);
if (!folder->inbox) return NULL;
new_item = imap_create_folder(folder, folder->inbox, name);
if (!new_item)
g_warning("Can't create '%s' under INBOX\n", name);
else
new_item->stype = stype;
} else
new_item->stype = stype;
return new_item;
}
static gchar *imap_folder_get_path(Folder *folder)
{
gchar *folder_path;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(folder->account != NULL, NULL);
folder_path = g_strconcat(get_imap_cache_dir(),
G_DIR_SEPARATOR_S,
folder->account->recv_server,
G_DIR_SEPARATOR_S,
folder->account->userid,
NULL);
return folder_path;
}
static gchar *imap_item_get_path(Folder *folder, FolderItem *item)
{
gchar *folder_path, *path;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(item != NULL, NULL);
folder_path = imap_folder_get_path(folder);
g_return_val_if_fail(folder_path != NULL, NULL);
if (folder_path[0] == G_DIR_SEPARATOR) {
if (item->path)
path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
item->path, NULL);
else
path = g_strdup(folder_path);
} else {
if (item->path)
path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
folder_path, G_DIR_SEPARATOR_S,
item->path, NULL);
else
path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
folder_path, NULL);
}
g_free(folder_path);
return path;
}
static FolderItem *imap_create_folder(Folder *folder, FolderItem *parent,
const gchar *name)
{
gchar *dirpath, *imap_path;
IMAPSession *session;
FolderItem *new_item;
gchar separator;
gchar *new_name;
const gchar *p;
gint ok;
gboolean no_select = FALSE, no_sub = FALSE;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(folder->account != NULL, NULL);
g_return_val_if_fail(parent != NULL, NULL);
g_return_val_if_fail(name != NULL, NULL);
session = imap_session_get(folder);
if (!session) {
return NULL;
}
lock_session();
if (!folder_item_parent(parent) && strcmp(name, "INBOX") == 0) {
dirpath = g_strdup(name);
}else if (parent->path)
dirpath = g_strconcat(parent->path, "/", name, NULL);
else if ((p = strchr(name, '/')) != NULL && *(p + 1) != '\0')
dirpath = g_strdup(name);
else if (folder->account->imap_dir && *folder->account->imap_dir) {
gchar *imap_dir;
Xstrdup_a(imap_dir, folder->account->imap_dir, {unlock_session();return NULL;});
strtailchomp(imap_dir, '/');
dirpath = g_strconcat(imap_dir, "/", name, NULL);
} else
dirpath = g_strdup(name);
/* keep trailing directory separator to create a folder that contains
sub folder */
imap_path = imap_utf8_to_modified_utf7(dirpath);
strtailchomp(dirpath, '/');
Xstrdup_a(new_name, name, {
g_free(dirpath);
unlock_session();
return NULL;});
separator = imap_get_path_separator(IMAP_FOLDER(folder), imap_path);
imap_path_separator_subst(imap_path, separator);
/* remove trailing / for display */
strtailchomp(new_name, '/');
if (strcmp(dirpath, "INBOX") != 0) {
GPtrArray *argbuf;
gboolean exist = FALSE;
int r;
clist * lep_list;
argbuf = g_ptr_array_new();
r = imap_threaded_list(folder, "", imap_path, &lep_list);
if (r != MAILIMAP_NO_ERROR) {
log_warning(_("can't create mailbox: LIST failed\n"));
g_free(imap_path);
g_free(dirpath);
ptr_array_free_strings(argbuf);
g_ptr_array_free(argbuf, TRUE);
unlock_session();
return NULL;
}
if (clist_count(lep_list) > 0)
exist = TRUE;
mailimap_list_result_free(lep_list);
lep_list = NULL;
if (!exist) {
ok = imap_cmd_create(session, imap_path);
if (ok != IMAP_SUCCESS) {
log_warning(_("can't create mailbox\n"));
g_free(imap_path);
g_free(dirpath);
unlock_session();
return NULL;
}
r = imap_threaded_list(folder, "", imap_path, &lep_list);
if (r == MAILIMAP_NO_ERROR) {
GSList *item_list = imap_list_from_lep(IMAP_FOLDER(folder),
lep_list, dirpath, TRUE);
if (item_list) {
FolderItem *cur_item = FOLDER_ITEM(item_list->data);
no_select = cur_item->no_select;
no_sub = cur_item->no_sub;
g_slist_free(item_list);
}
mailimap_list_result_free(lep_list);
}
}
} else {
clist *lep_list;
int r;
/* just get flags */
r = imap_threaded_list(folder, "", "INBOX", &lep_list);
if (r == MAILIMAP_NO_ERROR) {
GSList *item_list = imap_list_from_lep(IMAP_FOLDER(folder),
lep_list, dirpath, TRUE);
if (item_list) {
FolderItem *cur_item = FOLDER_ITEM(item_list->data);
no_select = cur_item->no_select;
no_sub = cur_item->no_sub;
g_slist_free(item_list);
}
mailimap_list_result_free(lep_list);
}
}
new_item = folder_item_new(folder, new_name, dirpath);
new_item->no_select = no_select;
new_item->no_sub = no_sub;
folder_item_append(parent, new_item);
g_free(imap_path);
g_free(dirpath);
dirpath = folder_item_get_path(new_item);
if (!is_dir_exist(dirpath))
make_dir_hier(dirpath);
g_free(dirpath);
unlock_session();
return new_item;
}
static gint imap_rename_folder(Folder *folder, FolderItem *item,
const gchar *name)
{
gchar *dirpath;
gchar *newpath;
gchar *real_oldpath;
gchar *real_newpath;
gchar *paths[2];
gchar *old_cache_dir;
gchar *new_cache_dir;
IMAPSession *session;
gchar separator;
gint ok;
gint exists, recent, unseen;
guint32 uid_validity;
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(item != NULL, -1);
g_return_val_if_fail(item->path != NULL, -1);
g_return_val_if_fail(name != NULL, -1);
session = imap_session_get(folder);
if (!session) {
return -1;
}
lock_session();
if (strchr(name, imap_get_path_separator(IMAP_FOLDER(folder), item->path)) != NULL) {
g_warning(_("New folder name must not contain the namespace "
"path separator"));
unlock_session();
return -1;
}
real_oldpath = imap_get_real_path(IMAP_FOLDER(folder), item->path);
g_free(session->mbox);
session->mbox = NULL;
ok = imap_cmd_examine(session, "INBOX",
&exists, &recent, &unseen, &uid_validity, FALSE);
if (ok != IMAP_SUCCESS) {
g_free(real_oldpath);
unlock_session();
return -1;
}
separator = imap_get_path_separator(IMAP_FOLDER(folder), item->path);
if (strchr(item->path, G_DIR_SEPARATOR)) {
dirpath = g_path_get_dirname(item->path);
newpath = g_strconcat(dirpath, G_DIR_SEPARATOR_S, name, NULL);
g_free(dirpath);
} else
newpath = g_strdup(name);
real_newpath = imap_utf8_to_modified_utf7(newpath);
imap_path_separator_subst(real_newpath, separator);
ok = imap_cmd_rename(session, real_oldpath, real_newpath);
if (ok != IMAP_SUCCESS) {
log_warning(_("can't rename mailbox: %s to %s\n"),
real_oldpath, real_newpath);
g_free(real_oldpath);
g_free(newpath);
g_free(real_newpath);
unlock_session();
return -1;
}
g_free(item->name);
item->name = g_strdup(name);
old_cache_dir = folder_item_get_path(item);
paths[0] = g_strdup(item->path);
paths[1] = newpath;
g_node_traverse(item->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
imap_rename_folder_func, paths);
if (is_dir_exist(old_cache_dir)) {
new_cache_dir = folder_item_get_path(item);
if (rename(old_cache_dir, new_cache_dir) < 0) {
FILE_OP_ERROR(old_cache_dir, "rename");
}
g_free(new_cache_dir);
}
g_free(old_cache_dir);
g_free(paths[0]);
g_free(newpath);
g_free(real_oldpath);
g_free(real_newpath);
unlock_session();
return 0;
}
static gint imap_remove_folder_real(Folder *folder, FolderItem *item)
{
gint ok;
IMAPSession *session;
gchar *path;
gchar *cache_dir;
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(item != NULL, -1);
g_return_val_if_fail(item->path != NULL, -1);
session = imap_session_get(folder);
if (!session) {
return -1;
}
lock_session();
path = imap_get_real_path(IMAP_FOLDER(folder), item->path);
ok = imap_cmd_delete(session, path);
if (ok != IMAP_SUCCESS) {
gchar *tmp = g_strdup_printf("%s%c", path,
imap_get_path_separator(IMAP_FOLDER(folder), path));
g_free(path);
path = tmp;
ok = imap_cmd_delete(session, path);
}
if (ok != IMAP_SUCCESS) {
log_warning(_("can't delete mailbox\n"));
g_free(path);
unlock_session();
return -1;
}
g_free(path);
cache_dir = folder_item_get_path(item);
if (is_dir_exist(cache_dir) && remove_dir_recursive(cache_dir) < 0)
g_warning("can't remove directory '%s'\n", cache_dir);
g_free(cache_dir);
folder_item_remove(item);
unlock_session();
return 0;
}
static gint imap_remove_folder(Folder *folder, FolderItem *item)
{
GNode *node, *next;
g_return_val_if_fail(item != NULL, -1);
g_return_val_if_fail(item->folder != NULL, -1);
g_return_val_if_fail(item->node != NULL, -1);
node = item->node->children;
while (node != NULL) {
next = node->next;
if (imap_remove_folder(folder, FOLDER_ITEM(node->data)) < 0)
return -1;
node = next;
}
debug_print("IMAP removing %s\n", item->path);
if (imap_remove_all_msg(folder, item) < 0)
return -1;
return imap_remove_folder_real(folder, item);
}
typedef struct _uncached_data {
IMAPSession *session;
FolderItem *item;
MsgNumberList *numlist;
guint cur;
guint total;
gboolean done;
} uncached_data;
static void *imap_get_uncached_messages_thread(void *data)
{
uncached_data *stuff = (uncached_data *)data;
IMAPSession *session = stuff->session;
FolderItem *item = stuff->item;
MsgNumberList *numlist = stuff->numlist;
GSList *newlist = NULL;
GSList *llast = NULL;
GSList *seq_list, *cur;
debug_print("uncached_messages\n");
if (session == NULL || item == NULL || item->folder == NULL
|| FOLDER_CLASS(item->folder) != &imap_class) {
stuff->done = TRUE;
return NULL;
}
seq_list = imap_get_lep_set_from_numlist(numlist);
debug_print("get msgs info\n");
for (cur = seq_list; cur != NULL; cur = g_slist_next(cur)) {
struct mailimap_set * imapset;
unsigned int i;
int r;
carray * env_list;
int count;
imapset = cur->data;
r = imap_threaded_fetch_env(session->folder,
imapset, &env_list);
if (r != MAILIMAP_NO_ERROR)
continue;
session_set_access_time(SESSION(session));
count = 0;
for(i = 0 ; i < carray_count(env_list) ; i ++) {
struct imap_fetch_env_info * info;
MsgInfo * msginfo;
info = carray_get(env_list, i);
msginfo = imap_envelope_from_lep(info, item);
if (msginfo == NULL)
continue;
msginfo->folder = item;
if (!newlist)
llast = newlist = g_slist_append(newlist, msginfo);
else {
llast = g_slist_append(llast, msginfo);
llast = llast->next;
}
count ++;
}
imap_fetch_env_free(env_list);
}
for (cur = seq_list; cur != NULL; cur = g_slist_next(cur)) {
struct mailimap_set * imapset;
imapset = cur->data;
mailimap_set_free(imapset);
}
session_set_access_time(SESSION(session));
stuff->done = TRUE;
return newlist;
}
#define MAX_MSG_NUM 50
static GSList *imap_get_uncached_messages(IMAPSession *session,
FolderItem *item,
MsgNumberList *numlist)
{
GSList *result = NULL;
GSList * cur;
uncached_data *data = g_new0(uncached_data, 1);
int finished;
finished = 0;
cur = numlist;
data->total = g_slist_length(numlist);
debug_print("messages list : %i\n", data->total);
while (cur != NULL) {
GSList * partial_result;
int count;
GSList * newlist;
GSList * llast;
llast = NULL;
count = 0;
newlist = NULL;
while (count < MAX_MSG_NUM) {
void * p;
p = cur->data;
if (newlist == NULL)
llast = newlist = g_slist_append(newlist, p);
else {
llast = g_slist_append(llast, p);
llast = llast->next;
}
count ++;
cur = cur->next;
if (cur == NULL)
break;
}
data->done = FALSE;
data->session = session;
data->item = item;
data->numlist = newlist;
data->cur += count;
if (prefs_common.work_offline &&
!inc_offline_should_override(
_("Claws Mail needs network access in order "
"to access the IMAP server."))) {
g_free(data);
return NULL;
}
partial_result =
(GSList *)imap_get_uncached_messages_thread(data);
statusbar_progress_all(data->cur,data->total, 1);
g_slist_free(newlist);
result = g_slist_concat(result, partial_result);
}
g_free(data);
statusbar_progress_all(0,0,0);
statusbar_pop_all();
return result;
}
static void imap_delete_all_cached_messages(FolderItem *item)
{
gchar *dir;
g_return_if_fail(item != NULL);
g_return_if_fail(item->folder != NULL);
g_return_if_fail(FOLDER_CLASS(item->folder) == &imap_class);
debug_print("Deleting all cached messages...\n");
dir = folder_item_get_path(item);
if (is_dir_exist(dir))
remove_all_numbered_files(dir);
g_free(dir);
debug_print("done.\n");
}
static IMAPNameSpace *imap_find_namespace_from_list(GList *ns_list,
const gchar *path)
{
IMAPNameSpace *namespace = NULL;
gchar *tmp_path, *name;
if (!path) path = "";
for (; ns_list != NULL; ns_list = ns_list->next) {
IMAPNameSpace *tmp_ns = ns_list->data;
Xstrcat_a(tmp_path, path, "/", return namespace);
Xstrdup_a(name, tmp_ns->name, return namespace);
if (tmp_ns->separator && tmp_ns->separator != '/') {
subst_char(tmp_path, tmp_ns->separator, '/');
subst_char(name, tmp_ns->separator, '/');
}
if (strncmp(tmp_path, name, strlen(name)) == 0)
namespace = tmp_ns;
}
return namespace;
}
static IMAPNameSpace *imap_find_namespace(IMAPFolder *folder,
const gchar *path)
{
IMAPNameSpace *namespace;
g_return_val_if_fail(folder != NULL, NULL);
namespace = imap_find_namespace_from_list(folder->ns_personal, path);
if (namespace) return namespace;
namespace = imap_find_namespace_from_list(folder->ns_others, path);
if (namespace) return namespace;
namespace = imap_find_namespace_from_list(folder->ns_shared, path);
if (namespace) return namespace;
return NULL;
}
gchar imap_get_path_separator_for_item(FolderItem *item)
{
Folder *folder = NULL;
IMAPFolder *imap_folder = NULL;
if (!item)
return '/';
folder = item->folder;
if (!folder)
return '/';
imap_folder = IMAP_FOLDER(folder);
if (!imap_folder)
return '/';
return imap_get_path_separator(imap_folder, item->path);
}
static gchar imap_get_path_separator(IMAPFolder *folder, const gchar *path)
{
IMAPNameSpace *namespace;
gchar separator = '/';
IMAPSession *session = imap_session_get(FOLDER(folder));
g_return_val_if_fail(session != NULL, '/');
if (folder->last_seen_separator == 0) {
clist * lep_list;
int r = imap_threaded_list((Folder *)folder, "", "", &lep_list);
if (r != MAILIMAP_NO_ERROR) {
log_warning(_("LIST failed\n"));
return '/';
}
if (clist_count(lep_list) > 0) {
clistiter * iter = clist_begin(lep_list);
struct mailimap_mailbox_list * mb;
mb = clist_content(iter);
folder->last_seen_separator = mb->mb_delimiter;
debug_print("got separator: %c\n", folder->last_seen_separator);
}
mailimap_list_result_free(lep_list);
}
if (folder->last_seen_separator != 0) {
debug_print("using separator: %c\n", folder->last_seen_separator);
return folder->last_seen_separator;
}
namespace = imap_find_namespace(folder, path);
if (namespace && namespace->separator)
separator = namespace->separator;
return separator;
}
static gchar *imap_get_real_path(IMAPFolder *folder, const gchar *path)
{
gchar *real_path;
gchar separator;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(path != NULL, NULL);
real_path = imap_utf8_to_modified_utf7(path);
separator = imap_get_path_separator(folder, path);
imap_path_separator_subst(real_path, separator);
return real_path;
}
static gint imap_set_message_flags(IMAPSession *session,
MsgNumberList *numlist,
IMAPFlags flags,
gboolean is_set)
{
gint ok = 0;
GSList *seq_list;
GSList * cur;
seq_list = imap_get_lep_set_from_numlist(numlist);
for(cur = seq_list ; cur != NULL ; cur = g_slist_next(cur)) {
struct mailimap_set * imapset;
imapset = cur->data;
ok = imap_cmd_store(session, imapset,
flags, is_set);
}
imap_lep_set_free(seq_list);
return IMAP_SUCCESS;
}
typedef struct _select_data {
IMAPSession *session;
gchar *real_path;
gint *exists;
gint *recent;
gint *unseen;
guint32 *uid_validity;
gboolean done;
} select_data;
static gint imap_select(IMAPSession *session, IMAPFolder *folder,
const gchar *path,
gint *exists, gint *recent, gint *unseen,
guint32 *uid_validity, gboolean block)
{
gchar *real_path;
gint ok;
gint exists_, recent_, unseen_;
guint32 uid_validity_;
if (!exists && !recent && !unseen && !uid_validity) {
if (session->mbox && strcmp(session->mbox, path) == 0)
return IMAP_SUCCESS;
}
if (!exists)
exists = &exists_;
if (!recent)
recent = &recent_;
if (!unseen)
unseen = &unseen_;
if (!uid_validity)
uid_validity = &uid_validity_;
g_free(session->mbox);
session->mbox = NULL;
real_path = imap_get_real_path(folder, path);
ok = imap_cmd_select(session, real_path,
exists, recent, unseen, uid_validity, block);
if (ok != IMAP_SUCCESS)
log_warning(_("can't select folder: %s\n"), real_path);
else {
session->mbox = g_strdup(path);
session->folder_content_changed = FALSE;
}
g_free(real_path);
return ok;
}
static gint imap_status(IMAPSession *session, IMAPFolder *folder,
const gchar *path, IMAPFolderItem *item,
gint *messages,
guint32 *uid_next, guint32 *uid_validity,
gint *unseen, gboolean block)
{
int r;
clistiter * iter;
struct mailimap_mailbox_data_status * data_status;
int got_values;
gchar *real_path;
guint mask = 0;
real_path = imap_get_real_path(folder, path);
if (messages) {
mask |= 1 << 0;
}
if (uid_next) {
mask |= 1 << 2;
}
if (uid_validity) {
mask |= 1 << 3;
}
if (unseen) {
mask |= 1 << 4;
}
r = imap_threaded_status(FOLDER(folder), real_path,
&data_status, mask);
g_free(real_path);
if (r != MAILIMAP_NO_ERROR) {
debug_print("status err %d\n", r);
return IMAP_ERROR;
}
if (data_status->st_info_list == NULL) {
mailimap_mailbox_data_status_free(data_status);
debug_print("status->st_info_list == NULL\n");
return IMAP_ERROR;
}
got_values = 0;
for(iter = clist_begin(data_status->st_info_list) ; iter != NULL ;
iter = clist_next(iter)) {
struct mailimap_status_info * info;
info = clist_content(iter);
switch (info->st_att) {
case MAILIMAP_STATUS_ATT_MESSAGES:
* messages = info->st_value;
got_values |= 1 << 0;
break;
case MAILIMAP_STATUS_ATT_UIDNEXT:
* uid_next = info->st_value;
got_values |= 1 << 2;
break;
case MAILIMAP_STATUS_ATT_UIDVALIDITY:
* uid_validity = info->st_value;
got_values |= 1 << 3;
break;
case MAILIMAP_STATUS_ATT_UNSEEN:
* unseen = info->st_value;
got_values |= 1 << 4;
break;
}
}
mailimap_mailbox_data_status_free(data_status);
if (got_values != mask) {
debug_print("status: incomplete values received (%d)\n", got_values);
return IMAP_ERROR;
}
return IMAP_SUCCESS;
}
static void imap_free_capabilities(IMAPSession *session)
{
slist_free_strings(session->capability);
g_slist_free(session->capability);
session->capability = NULL;
}
/* low-level IMAP4rev1 commands */
static gint imap_cmd_login(IMAPSession *session,
const gchar *user, const gchar *pass,
const gchar *type)
{
int r;
gint ok;
if (!strcmp(type, "LOGIN") && imap_has_capability(session, "LOGINDISABLED")) {
gint ok = IMAP_ERROR;
if (imap_has_capability(session, "STARTTLS")) {
#if USE_OPENSSL
log_warning(_("Server requires TLS to log in.\n"));
ok = imap_cmd_starttls(session);
if (ok != IMAP_SUCCESS) {
log_warning(_("Can't start TLS session.\n"));
return IMAP_ERROR;
} else {
/* refresh capas */
imap_free_capabilities(session);
if (imap_get_capabilities(session) != MAILIMAP_NO_ERROR) {
log_warning(_("Can't refresh capabilities.\n"));
return IMAP_ERROR;
}
}
#else
log_error(_("Connection to %s failed: "
"server requires TLS, but Claws Mail "
"has been compiled without OpenSSL "
"support.\n"),
SESSION(session)->server);
return IMAP_ERROR;
#endif
} else {
log_error(_("Server logins are disabled.\n"));
return IMAP_ERROR;
}
}
log_print("IMAP4> Logging %s to %s using %s\n",
user,
SESSION(session)->server,
type);
r = imap_threaded_login(session->folder, user, pass, type);
if (r != MAILIMAP_NO_ERROR) {
log_print("IMAP4< Error logging in to %s\n",
SESSION(session)->server);
ok = IMAP_ERROR;
} else {
log_print("IMAP4< Login to %s successful\n",
SESSION(session)->server);
ok = IMAP_SUCCESS;
}
return ok;
}
static gint imap_cmd_noop(IMAPSession *session)
{
int r;
unsigned int exists;
r = imap_threaded_noop(session->folder, &exists);
if (r != MAILIMAP_NO_ERROR) {
debug_print("noop err %d\n", r);
return IMAP_ERROR;
}
session->exists = exists;
session_set_access_time(SESSION(session));
return IMAP_SUCCESS;
}
#if USE_OPENSSL
static gint imap_cmd_starttls(IMAPSession *session)
{
int r;
r = imap_threaded_starttls(session->folder,
SESSION(session)->server, SESSION(session)->port);
if (r != MAILIMAP_NO_ERROR) {
debug_print("starttls err %d\n", r);
return IMAP_ERROR;
}
return IMAP_SUCCESS;
}
#endif
static gint imap_cmd_select(IMAPSession *session, const gchar *folder,
gint *exists, gint *recent, gint *unseen,
guint32 *uid_validity, gboolean block)
{
int r;
r = imap_threaded_select(session->folder, folder,
exists, recent, unseen, uid_validity);
if (r != MAILIMAP_NO_ERROR) {
debug_print("select err %d\n", r);
return IMAP_ERROR;
}
return IMAP_SUCCESS;
}
static gint imap_cmd_examine(IMAPSession *session, const gchar *folder,
gint *exists, gint *recent, gint *unseen,
guint32 *uid_validity, gboolean block)
{
int r;
r = imap_threaded_examine(session->folder, folder,
exists, recent, unseen, uid_validity);
if (r != MAILIMAP_NO_ERROR) {
debug_print("examine err %d\n", r);
return IMAP_ERROR;
}
return IMAP_SUCCESS;
}
static gint imap_cmd_create(IMAPSession *session, const gchar *folder)
{
int r;
r = imap_threaded_create(session->folder, folder);
if (r != MAILIMAP_NO_ERROR) {
return IMAP_ERROR;
}
return IMAP_SUCCESS;
}
static gint imap_cmd_rename(IMAPSession *session, const gchar *old_folder,
const gchar *new_folder)
{
int r;
r = imap_threaded_rename(session->folder, old_folder,
new_folder);
if (r != MAILIMAP_NO_ERROR) {
return IMAP_ERROR;
}
return IMAP_SUCCESS;
}
static gint imap_cmd_delete(IMAPSession *session, const gchar *folder)
{
int r;
r = imap_threaded_delete(session->folder, folder);
if (r != MAILIMAP_NO_ERROR) {
return IMAP_ERROR;
}
return IMAP_SUCCESS;
}
typedef struct _fetch_data {
IMAPSession *session;
guint32 uid;
const gchar *filename;
gboolean headers;
gboolean body;
gboolean done;
} fetch_data;
static void *imap_cmd_fetch_thread(void *data)
{
fetch_data *stuff = (fetch_data *)data;
IMAPSession *session = stuff->session;
guint32 uid = stuff->uid;
const gchar *filename = stuff->filename;
int r;
if (stuff->body) {
r = imap_threaded_fetch_content(session->folder,
uid, 1, filename);
}
else {
r = imap_threaded_fetch_content(session->folder,
uid, 0, filename);
}
if (r != MAILIMAP_NO_ERROR) {
debug_print("fetch err %d\n", r);
return GINT_TO_POINTER(IMAP_ERROR);
}
return GINT_TO_POINTER(IMAP_SUCCESS);
}
static gint imap_cmd_fetch(IMAPSession *session, guint32 uid,
const gchar *filename, gboolean headers,
gboolean body)
{
fetch_data *data = g_new0(fetch_data, 1);
int result = 0;
data->done = FALSE;
data->session = session;
data->uid = uid;
data->filename = filename;
data->headers = headers;
data->body = body;
if (prefs_common.work_offline &&
!inc_offline_should_override(
_("Claws Mail needs network access in order "
"to access the IMAP server."))) {
g_free(data);
return -1;
}
statusbar_print_all(_("Fetching message..."));
result = GPOINTER_TO_INT(imap_cmd_fetch_thread(data));
statusbar_pop_all();
g_free(data);
return result;
}
static gint imap_cmd_append(IMAPSession *session, const gchar *destfolder,
const gchar *file, IMAPFlags flags,
guint32 *new_uid)
{
struct mailimap_flag_list * flag_list;
int r;
g_return_val_if_fail(file != NULL, IMAP_ERROR);
flag_list = imap_flag_to_lep(flags);
r = imap_threaded_append(session->folder, destfolder,
file, flag_list, (int *)new_uid);
mailimap_flag_list_free(flag_list);
if (r != MAILIMAP_NO_ERROR) {
debug_print("append err %d\n", r);
return IMAP_ERROR;
}
return IMAP_SUCCESS;
}
static gint imap_cmd_copy(IMAPSession *session, struct mailimap_set * set,
const gchar *destfolder, GRelation *uid_mapping,
struct mailimap_set **source, struct mailimap_set **dest)
{
int r;
g_return_val_if_fail(session != NULL, IMAP_ERROR);
g_return_val_if_fail(set != NULL, IMAP_ERROR);
g_return_val_if_fail(destfolder != NULL, IMAP_ERROR);
r = imap_threaded_copy(session->folder, set, destfolder, source, dest);
if (r != MAILIMAP_NO_ERROR) {
return IMAP_ERROR;
}
return IMAP_SUCCESS;
}
static gint imap_cmd_store(IMAPSession *session, struct mailimap_set * set,
IMAPFlags flags, int do_add)
{
int r;
struct mailimap_flag_list * flag_list;
struct mailimap_store_att_flags * store_att_flags;
flag_list = imap_flag_to_lep(flags);
if (do_add)
store_att_flags =
mailimap_store_att_flags_new_add_flags_silent(flag_list);
else
store_att_flags =
mailimap_store_att_flags_new_remove_flags_silent(flag_list);
r = imap_threaded_store(session->folder, set, store_att_flags);
mailimap_store_att_flags_free(store_att_flags);
if (r != MAILIMAP_NO_ERROR) {
return IMAP_ERROR;
}
return IMAP_SUCCESS;
}
static gint imap_cmd_expunge(IMAPSession *session)
{
int r;
if (prefs_common.work_offline &&
!inc_offline_should_override(
_("Claws Mail needs network access in order "
"to access the IMAP server."))) {
return -1;
}
r = imap_threaded_expunge(session->folder);
if (r != MAILIMAP_NO_ERROR) {
return IMAP_ERROR;
}
return IMAP_SUCCESS;
}
static void imap_path_separator_subst(gchar *str, gchar separator)
{
gchar *p;
gboolean in_escape = FALSE;
if (!separator || separator == '/') return;
for (p = str; *p != '\0'; p++) {
if (*p == '/' && !in_escape)
*p = separator;
else if (*p == '&' && *(p + 1) != '-' && !in_escape)
in_escape = TRUE;
else if (*p == '-' && in_escape)
in_escape = FALSE;
}
}
static gchar *imap_modified_utf7_to_utf8(const gchar *mutf7_str)
{
static iconv_t cd = (iconv_t)-1;
static gboolean iconv_ok = TRUE;
GString *norm_utf7;
gchar *norm_utf7_p;
size_t norm_utf7_len;
const gchar *p;
gchar *to_str, *to_p;
size_t to_len;
gboolean in_escape = FALSE;
if (!iconv_ok) return g_strdup(mutf7_str);
if (cd == (iconv_t)-1) {
cd = iconv_open(CS_INTERNAL, CS_UTF_7);
if (cd == (iconv_t)-1) {
g_warning("iconv cannot convert UTF-7 to %s\n",
CS_INTERNAL);
iconv_ok = FALSE;
return g_strdup(mutf7_str);
}
}
/* modified UTF-7 to normal UTF-7 conversion */
norm_utf7 = g_string_new(NULL);
for (p = mutf7_str; *p != '\0'; p++) {
/* replace: '&' -> '+',
"&-" -> '&',
escaped ',' -> '/' */
if (!in_escape && *p == '&') {
if (*(p + 1) != '-') {
g_string_append_c(norm_utf7, '+');
in_escape = TRUE;
} else {
g_string_append_c(norm_utf7, '&');
p++;
}
} else if (in_escape && *p == ',') {
g_string_append_c(norm_utf7, '/');
} else if (in_escape && *p == '-') {
g_string_append_c(norm_utf7, '-');
in_escape = FALSE;
} else {
g_string_append_c(norm_utf7, *p);
}
}
norm_utf7_p = norm_utf7->str;
norm_utf7_len = norm_utf7->len;
to_len = strlen(mutf7_str) * 5;
to_p = to_str = g_malloc(to_len + 1);
if (iconv(cd, (ICONV_CONST gchar **)&norm_utf7_p, &norm_utf7_len,
&to_p, &to_len) == -1) {
g_warning(_("iconv cannot convert UTF-7 to %s\n"),
conv_get_locale_charset_str());
g_string_free(norm_utf7, TRUE);
g_free(to_str);
return g_strdup(mutf7_str);
}
/* second iconv() call for flushing */
iconv(cd, NULL, NULL, &to_p, &to_len);
g_string_free(norm_utf7, TRUE);
*to_p = '\0';
return to_str;
}
static gchar *imap_utf8_to_modified_utf7(const gchar *from)
{
static iconv_t cd = (iconv_t)-1;
static gboolean iconv_ok = TRUE;
gchar *norm_utf7, *norm_utf7_p;
size_t from_len, norm_utf7_len;
GString *to_str;
gchar *from_tmp, *to, *p;
gboolean in_escape = FALSE;
if (!iconv_ok) return g_strdup(from);
if (cd == (iconv_t)-1) {
cd = iconv_open(CS_UTF_7, CS_INTERNAL);
if (cd == (iconv_t)-1) {
g_warning(_("iconv cannot convert %s to UTF-7\n"),
CS_INTERNAL);
iconv_ok = FALSE;
return g_strdup(from);
}
}
/* UTF-8 to normal UTF-7 conversion */
Xstrdup_a(from_tmp, from, return g_strdup(from));
from_len = strlen(from);
norm_utf7_len = from_len * 5;
Xalloca(norm_utf7, norm_utf7_len + 1, return g_strdup(from));
norm_utf7_p = norm_utf7;
#define IS_PRINT(ch) (isprint(ch) && IS_ASCII(ch))
while (from_len > 0) {
if (*from_tmp == '+') {
*norm_utf7_p++ = '+';
*norm_utf7_p++ = '-';
norm_utf7_len -= 2;
from_tmp++;
from_len--;
} else if (IS_PRINT(*(guchar *)from_tmp)) {
/* printable ascii char */
*norm_utf7_p = *from_tmp;
norm_utf7_p++;
norm_utf7_len--;
from_tmp++;
from_len--;
} else {
size_t conv_len = 0;
/* unprintable char: convert to UTF-7 */
p = from_tmp;
while (!IS_PRINT(*(guchar *)p) && conv_len < from_len) {
conv_len += g_utf8_skip[*(guchar *)p];
p += g_utf8_skip[*(guchar *)p];
}
from_len -= conv_len;
if (iconv(cd, (ICONV_CONST gchar **)&from_tmp,
&conv_len,
&norm_utf7_p, &norm_utf7_len) == -1) {
g_warning(_("iconv cannot convert UTF-8 to UTF-7\n"));
return g_strdup(from);
}
/* second iconv() call for flushing */
iconv(cd, NULL, NULL, &norm_utf7_p, &norm_utf7_len);
}
}
#undef IS_PRINT
*norm_utf7_p = '\0';
to_str = g_string_new(NULL);
for (p = norm_utf7; p < norm_utf7_p; p++) {
/* replace: '&' -> "&-",
'+' -> '&',
"+-" -> '+',
BASE64 '/' -> ',' */
if (!in_escape && *p == '&') {
g_string_append(to_str, "&-");
} else if (!in_escape && *p == '+') {
if (*(p + 1) == '-') {
g_string_append_c(to_str, '+');
p++;
} else {
g_string_append_c(to_str, '&');
in_escape = TRUE;
}
} else if (in_escape && *p == '/') {
g_string_append_c(to_str, ',');
} else if (in_escape && *p == '-') {
g_string_append_c(to_str, '-');
in_escape = FALSE;
} else {
g_string_append_c(to_str, *p);
}
}
if (in_escape) {
in_escape = FALSE;
g_string_append_c(to_str, '-');
}
to = to_str->str;
g_string_free(to_str, FALSE);
return to;
}
static gboolean imap_rename_folder_func(GNode *node, gpointer data)
{
FolderItem *item = node->data;
gchar **paths = data;
const gchar *oldpath = paths[0];
const gchar *newpath = paths[1];
gchar *base;
gchar *new_itempath;
gint oldpathlen;
oldpathlen = strlen(oldpath);
if (strncmp(oldpath, item->path, oldpathlen) != 0) {
g_warning("path doesn't match: %s, %s\n", oldpath, item->path);
return TRUE;
}
base = item->path + oldpathlen;
while (*base == G_DIR_SEPARATOR) base++;
if (*base == '\0')
new_itempath = g_strdup(newpath);
else
new_itempath = g_strconcat(newpath, G_DIR_SEPARATOR_S, base,
NULL);
g_free(item->path);
item->path = new_itempath;
return FALSE;
}
typedef struct _get_list_uid_data {
Folder *folder;
IMAPSession *session;
IMAPFolderItem *item;
GSList **msgnum_list;
gboolean done;
} get_list_uid_data;
static void *get_list_of_uids_thread(void *data)
{
get_list_uid_data *stuff = (get_list_uid_data *)data;
Folder *folder = stuff->folder;
IMAPFolderItem *item = stuff->item;
GSList **msgnum_list = stuff->msgnum_list;
gint ok, nummsgs = 0, lastuid_old;
IMAPSession *session;
GSList *uidlist, *elem;
clist * lep_uidlist;
int r;
session = stuff->session;
if (session == NULL) {
stuff->done = TRUE;
return GINT_TO_POINTER(-1);
}
/* no session locking here, it's already locked by caller */
ok = imap_select(session, IMAP_FOLDER(folder), item->item.path,
NULL, NULL, NULL, NULL, TRUE);
if (ok != IMAP_SUCCESS) {
stuff->done = TRUE;
return GINT_TO_POINTER(-1);
}
uidlist = NULL;
r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_SIMPLE, NULL,
&lep_uidlist);
if (r == MAILIMAP_NO_ERROR) {
GSList * fetchuid_list;
fetchuid_list =
imap_uid_list_from_lep(lep_uidlist);
mailimap_search_result_free(lep_uidlist);
uidlist = g_slist_concat(fetchuid_list, uidlist);
}
else {
GSList * fetchuid_list;
carray * lep_uidtab;
r = imap_threaded_fetch_uid(folder, item->lastuid + 1,
&lep_uidtab);
if (r == MAILIMAP_NO_ERROR) {
fetchuid_list =
imap_uid_list_from_lep_tab(lep_uidtab);
imap_fetch_uid_list_free(lep_uidtab);
uidlist = g_slist_concat(fetchuid_list, uidlist);
}
}
lastuid_old = item->lastuid;
*msgnum_list = g_slist_copy(item->uid_list);
nummsgs = g_slist_length(*msgnum_list);
debug_print("Got %d uids from cache\n", g_slist_length(item->uid_list));
for (elem = uidlist; elem != NULL; elem = g_slist_next(elem)) {
guint msgnum;
msgnum = GPOINTER_TO_INT(elem->data);
if (msgnum > lastuid_old) {
*msgnum_list = g_slist_prepend(*msgnum_list, GINT_TO_POINTER(msgnum));
item->uid_list = g_slist_prepend(item->uid_list, GINT_TO_POINTER(msgnum));
nummsgs++;
if(msgnum > item->lastuid)
item->lastuid = msgnum;
}
}
g_slist_free(uidlist);
stuff->done = TRUE;
return GINT_TO_POINTER(nummsgs);
}
static gint get_list_of_uids(IMAPSession *session, Folder *folder, IMAPFolderItem *item, GSList **msgnum_list)
{
gint result;
get_list_uid_data *data = g_new0(get_list_uid_data, 1);
data->done = FALSE;
data->folder = folder;
data->item = item;
data->msgnum_list = msgnum_list;
data->session = session;
if (prefs_common.work_offline &&
!inc_offline_should_override(
_("Claws Mail needs network access in order "
"to access the IMAP server."))) {
g_free(data);
return -1;
}
result = GPOINTER_TO_INT(get_list_of_uids_thread(data));
g_free(data);
return result;
}
gint imap_get_num_list(Folder *folder, FolderItem *_item, GSList **msgnum_list, gboolean *old_uids_valid)
{
IMAPFolderItem *item = (IMAPFolderItem *)_item;
IMAPSession *session;
gint ok, nummsgs = 0, exists;
guint32 uid_next = 0, uid_val = 0;
GSList *uidlist = NULL;
gchar *dir;
gboolean selected_folder;
debug_print("get_num_list\n");
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(item != NULL, -1);
g_return_val_if_fail(item->item.path != NULL, -1);
g_return_val_if_fail(FOLDER_CLASS(folder) == &imap_class, -1);
g_return_val_if_fail(folder->account != NULL, -1);
session = imap_session_get(folder);
g_return_val_if_fail(session != NULL, -1);
lock_session();
if (FOLDER_ITEM(item)->path)
statusbar_print_all(_("Scanning folder %s%c%s ..."),
FOLDER_ITEM(item)->folder->name,
G_DIR_SEPARATOR,
FOLDER_ITEM(item)->path);
else
statusbar_print_all(_("Scanning folder %s ..."),
FOLDER_ITEM(item)->folder->name);
selected_folder = (session->mbox != NULL) &&
(!strcmp(session->mbox, item->item.path));
if (selected_folder && time(NULL) - item->use_cache < 2) {
ok = imap_cmd_noop(session);
if (ok != IMAP_SUCCESS) {
debug_print("disconnected!\n");
session = imap_reconnect_if_possible(folder, session);
if (session == NULL) {
statusbar_pop_all();
unlock_session();
return -1;
}
}
exists = session->exists;
uid_next = item->c_uid_next;
uid_val = item->c_uid_validity;
*old_uids_valid = TRUE;
} else {
if (item->use_cache && time(NULL) - item->use_cache < 2) {
exists = item->c_messages;
uid_next = item->c_uid_next;
uid_val = item->c_uid_validity;
ok = IMAP_SUCCESS;
debug_print("using cache %d %d %d\n", exists, uid_next, uid_val);
} else {
ok = imap_status(session, IMAP_FOLDER(folder), item->item.path, item,
&exists, &uid_next, &uid_val, NULL, FALSE);
}
item->item.last_num = uid_next - 1;
item->use_cache = (time_t)0;
if (ok != IMAP_SUCCESS) {
statusbar_pop_all();
unlock_session();
return -1;
}
if(item->item.mtime == uid_val)
*old_uids_valid = TRUE;
else {
*old_uids_valid = FALSE;
debug_print("Freeing imap uid cache (%d != %d)\n",
(int)item->item.mtime, uid_val);
item->lastuid = 0;
g_slist_free(item->uid_list);
item->uid_list = NULL;
item->item.mtime = uid_val;
imap_delete_all_cached_messages((FolderItem *)item);
}
}
/* If old uid_next matches new uid_next we can be sure no message
was added to the folder */
debug_print("uid_next is %d and item->uid_next %d \n",
uid_next, item->uid_next);
if (uid_next == item->uid_next) {
nummsgs = g_slist_length(item->uid_list);
/* If number of messages is still the same we
know our caches message numbers are still valid,
otherwise if the number of messages has decrease
we discard our cache to start a new scan to find
out which numbers have been removed */
if (exists == nummsgs) {
debug_print("exists == nummsgs\n");
*msgnum_list = g_slist_copy(item->uid_list);
statusbar_pop_all();
unlock_session();
return nummsgs;
} else if (exists < nummsgs) {
debug_print("Freeing imap uid cache");
item->lastuid = 0;
g_slist_free(item->uid_list);
item->uid_list = NULL;
}
}
if (exists == 0) {
*msgnum_list = NULL;
statusbar_pop_all();
unlock_session();
return 0;
}
nummsgs = get_list_of_uids(session, folder, item, &uidlist);
if (nummsgs < 0) {
statusbar_pop_all();
unlock_session();
return -1;
}
if (nummsgs != exists) {
/* Cache contains more messages then folder, we have cached
an old UID of a message that was removed and new messages
have been added too, otherwise the uid_next check would
not have failed */
debug_print("Freeing imap uid cache");
item->lastuid = 0;
g_slist_free(item->uid_list);
item->uid_list = NULL;
g_slist_free(*msgnum_list);
nummsgs = get_list_of_uids(session, folder, item, &uidlist);
}
*msgnum_list = uidlist;
dir = folder_item_get_path((FolderItem *)item);
debug_print("removing old messages from %s\n", dir);
remove_numbered_files_not_in_list(dir, *msgnum_list);
g_free(dir);
item->uid_next = uid_next;
debug_print("get_num_list - ok - %i\n", nummsgs);
statusbar_pop_all();
unlock_session();
return nummsgs;
}
static MsgInfo *imap_parse_msg(const gchar *file, FolderItem *item)
{
MsgInfo *msginfo;
MsgFlags flags;
flags.perm_flags = MSG_NEW|MSG_UNREAD;
flags.tmp_flags = 0;
g_return_val_if_fail(item != NULL, NULL);
g_return_val_if_fail(file != NULL, NULL);
if (folder_has_parent_of_type(item, F_QUEUE)) {
MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
} else if (folder_has_parent_of_type(item, F_DRAFT)) {
MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
}
msginfo = procheader_parse_file(file, flags, FALSE, FALSE);
if (!msginfo) return NULL;
msginfo->plaintext_file = g_strdup(file);
msginfo->folder = item;
return msginfo;
}
GSList *imap_get_msginfos(Folder *folder, FolderItem *item,
GSList *msgnum_list)
{
IMAPSession *session;
MsgInfoList *ret = NULL;
gint ok;
debug_print("get_msginfos\n");
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(item != NULL, NULL);
g_return_val_if_fail(msgnum_list != NULL, NULL);
session = imap_session_get(folder);
g_return_val_if_fail(session != NULL, NULL);
lock_session();
debug_print("IMAP getting msginfos\n");
ok = imap_select(session, IMAP_FOLDER(folder), item->path,
NULL, NULL, NULL, NULL, FALSE);
if (ok != IMAP_SUCCESS) {
unlock_session();
return NULL;
}
if (!(folder_has_parent_of_type(item, F_DRAFT) ||
folder_has_parent_of_type(item, F_QUEUE))) {
ret = g_slist_concat(ret,
imap_get_uncached_messages(session, item,
msgnum_list));
} else {
MsgNumberList *sorted_list, *elem, *llast = NULL;
gint startnum, lastnum;
sorted_list = g_slist_sort(g_slist_copy(msgnum_list), g_int_compare);
startnum = lastnum = GPOINTER_TO_INT(sorted_list->data);
llast = g_slist_last(ret);
for (elem = sorted_list;; elem = g_slist_next(elem)) {
guint num = 0;
if (elem)
num = GPOINTER_TO_INT(elem->data);
if (num > lastnum + 1 || elem == NULL) {
int i;
for (i = startnum; i <= lastnum; ++i) {
gchar *file;
file = imap_fetch_msg(folder, item, i);
if (file != NULL) {
MsgInfo *msginfo = imap_parse_msg(file, item);
if (msginfo != NULL) {
msginfo->msgnum = i;
if (llast == NULL)
llast = ret = g_slist_append(ret, msginfo);
else {
llast = g_slist_append(llast, msginfo);
llast = llast->next;
}
}
g_free(file);
}
session_set_access_time(SESSION(session));
}
if (elem == NULL)
break;
startnum = num;
}
lastnum = num;
}
g_slist_free(sorted_list);
}
unlock_session();
return ret;
}
MsgInfo *imap_get_msginfo(Folder *folder, FolderItem *item, gint uid)
{
MsgInfo *msginfo = NULL;
MsgInfoList *msginfolist;
MsgNumberList numlist;
numlist.next = NULL;
numlist.data = GINT_TO_POINTER(uid);
msginfolist = imap_get_msginfos(folder, item, &numlist);
if (msginfolist != NULL) {
msginfo = msginfolist->data;
g_slist_free(msginfolist);
}
return msginfo;
}
gboolean imap_scan_required(Folder *folder, FolderItem *_item)
{
IMAPSession *session;
IMAPFolderItem *item = (IMAPFolderItem *)_item;
gint ok, exists = 0, unseen = 0;
guint32 uid_next = 0, uid_val = 0;
gboolean selected_folder;
g_return_val_if_fail(folder != NULL, FALSE);
g_return_val_if_fail(item != NULL, FALSE);
g_return_val_if_fail(item->item.folder != NULL, FALSE);
g_return_val_if_fail(FOLDER_CLASS(item->item.folder) == &imap_class, FALSE);
if (item->item.path == NULL)
return FALSE;
session = imap_session_get(folder);
g_return_val_if_fail(session != NULL, FALSE);
lock_session();
selected_folder = (session->mbox != NULL) &&
(!strcmp(session->mbox, item->item.path));
if (selected_folder && time(NULL) - item->use_cache < 2) {
ok = imap_cmd_noop(session);
if (ok != IMAP_SUCCESS) {
debug_print("disconnected!\n");
session = imap_reconnect_if_possible(folder, session);
if (session == NULL)
return FALSE;
lock_session();
}
if (session->folder_content_changed
|| session->exists != item->item.total_msgs) {
unlock_session();
return TRUE;
}
} else {
ok = imap_status(session, IMAP_FOLDER(folder), item->item.path, IMAP_FOLDER_ITEM(item),
&exists, &uid_next, &uid_val, &unseen, FALSE);
if (ok != IMAP_SUCCESS) {
unlock_session();
return FALSE;
}
item->use_cache = time(NULL);
item->c_messages = exists;
item->c_uid_next = uid_next;
item->c_uid_validity = uid_val;
item->c_unseen = unseen;
item->item.last_num = uid_next - 1;
debug_print("uidnext %d, item->uid_next %d, exists %d, item->item.total_msgs %d\n",
uid_next, item->uid_next, exists, item->item.total_msgs);
if ((uid_next != item->uid_next) || (exists != item->item.total_msgs)
|| unseen != item->item.unread_msgs || uid_val != item->item.mtime) {
unlock_session();
return TRUE;
}
}
unlock_session();
return FALSE;
}
void imap_change_flags(Folder *folder, FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
{
IMAPSession *session;
IMAPFlags flags_set = 0, flags_unset = 0;
gint ok = IMAP_SUCCESS;
MsgNumberList numlist;
hashtable_data *ht_data = NULL;
g_return_if_fail(folder != NULL);
g_return_if_fail(folder->klass == &imap_class);
g_return_if_fail(item != NULL);
g_return_if_fail(item->folder == folder);
g_return_if_fail(msginfo != NULL);
g_return_if_fail(msginfo->folder == item);
session = imap_session_get(folder);
if (!session) {
return;
}
if (!MSG_IS_MARKED(msginfo->flags) && (newflags & MSG_MARKED))
flags_set |= IMAP_FLAG_FLAGGED;
if ( MSG_IS_MARKED(msginfo->flags) && !(newflags & MSG_MARKED))
flags_unset |= IMAP_FLAG_FLAGGED;
if (!MSG_IS_UNREAD(msginfo->flags) && (newflags & MSG_UNREAD))
flags_unset |= IMAP_FLAG_SEEN;
if ( MSG_IS_UNREAD(msginfo->flags) && !(newflags & MSG_UNREAD))
flags_set |= IMAP_FLAG_SEEN;
if (!MSG_IS_REPLIED(msginfo->flags) && (newflags & MSG_REPLIED))
flags_set |= IMAP_FLAG_ANSWERED;
if ( MSG_IS_REPLIED(msginfo->flags) && !(newflags & MSG_REPLIED))
flags_unset |= IMAP_FLAG_ANSWERED;
if (!MSG_IS_DELETED(msginfo->flags) && (newflags & MSG_DELETED))
flags_set |= IMAP_FLAG_DELETED;
if ( MSG_IS_DELETED(msginfo->flags) && !(newflags & MSG_DELETED))
flags_unset |= IMAP_FLAG_DELETED;
if (!flags_set && !flags_unset) {
/* the changed flags were not translatable to IMAP-speak.
* like MSG_POSTFILTERED, so just apply. */
msginfo->flags.perm_flags = newflags;
return;
}
lock_session();
if ((ok = imap_select(session, IMAP_FOLDER(folder), msginfo->folder->path,
NULL, NULL, NULL, NULL, FALSE)) != IMAP_SUCCESS) {
unlock_session();
return;
}
numlist.next = NULL;
numlist.data = GINT_TO_POINTER(msginfo->msgnum);
if (IMAP_FOLDER_ITEM(item)->batching) {
/* instead of performing an UID STORE command for each message change,
* as a lot of them can change "together", we just fill in hashtables
* and defer the treatment so that we're able to send only one
* command.
*/
debug_print("IMAP batch mode on, deferring flags change\n");
if (flags_set) {
ht_data = g_hash_table_lookup(IMAP_FOLDER_ITEM(item)->flags_set_table,
GINT_TO_POINTER(flags_set));
if (ht_data == NULL) {
ht_data = g_new0(hashtable_data, 1);
ht_data->session = session;
ht_data->item = IMAP_FOLDER_ITEM(item);
g_hash_table_insert(IMAP_FOLDER_ITEM(item)->flags_set_table,
GINT_TO_POINTER(flags_set), ht_data);
}
if (!g_slist_find(ht_data->msglist, GINT_TO_POINTER(msginfo->msgnum)))
ht_data->msglist = g_slist_prepend(ht_data->msglist, GINT_TO_POINTER(msginfo->msgnum));
}
if (flags_unset) {
ht_data = g_hash_table_lookup(IMAP_FOLDER_ITEM(item)->flags_unset_table,
GINT_TO_POINTER(flags_unset));
if (ht_data == NULL) {
ht_data = g_new0(hashtable_data, 1);
ht_data->session = session;
ht_data->item = IMAP_FOLDER_ITEM(item);
g_hash_table_insert(IMAP_FOLDER_ITEM(item)->flags_unset_table,
GINT_TO_POINTER(flags_unset), ht_data);
}
if (!g_slist_find(ht_data->msglist, GINT_TO_POINTER(msginfo->msgnum)))
ht_data->msglist = g_slist_prepend(ht_data->msglist,
GINT_TO_POINTER(msginfo->msgnum));
}
} else {
debug_print("IMAP changing flags\n");
if (flags_set) {
ok = imap_set_message_flags(session, &numlist, flags_set, TRUE);
if (ok != IMAP_SUCCESS) {
unlock_session();
return;
}
}
if (flags_unset) {
ok = imap_set_message_flags(session, &numlist, flags_unset, FALSE);
if (ok != IMAP_SUCCESS) {
unlock_session();
return;
}
}
}
msginfo->flags.perm_flags = newflags;
unlock_session();
return;
}
static gint imap_remove_msg(Folder *folder, FolderItem *item, gint uid)
{
gint ok;
IMAPSession *session;
gchar *dir;
MsgNumberList numlist;
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(FOLDER_CLASS(folder) == &imap_class, -1);
g_return_val_if_fail(item != NULL, -1);
session = imap_session_get(folder);
if (!session) return -1;
lock_session();
ok = imap_select(session, IMAP_FOLDER(folder), item->path,
NULL, NULL, NULL, NULL, FALSE);
if (ok != IMAP_SUCCESS) {
unlock_session();
return ok;
}
numlist.next = NULL;
numlist.data = GINT_TO_POINTER(uid);
ok = imap_set_message_flags
(IMAP_SESSION(REMOTE_FOLDER(folder)->session),
&numlist, IMAP_FLAG_DELETED, TRUE);
if (ok != IMAP_SUCCESS) {
log_warning(_("can't set deleted flags: %d\n"), uid);
unlock_session();
return ok;
}
if (!session->uidplus) {
ok = imap_cmd_expunge(session);
} else {
gchar *uidstr;
uidstr = g_strdup_printf("%u", uid);
ok = imap_cmd_expunge(session);
g_free(uidstr);
}
if (ok != IMAP_SUCCESS) {
log_warning(_("can't expunge\n"));
unlock_session();
return ok;
}
IMAP_FOLDER_ITEM(item)->uid_list = g_slist_remove(
IMAP_FOLDER_ITEM(item)->uid_list, numlist.data);
dir = folder_item_get_path(item);
if (is_dir_exist(dir))
remove_numbered_files(dir, uid, uid);
g_free(dir);
unlock_session();
return IMAP_SUCCESS;
}
static gint compare_msginfo(gconstpointer a, gconstpointer b)
{
return ((MsgInfo *)a)->msgnum - ((MsgInfo *)b)->msgnum;
}
static guint gslist_find_next_num(MsgNumberList **list, guint num)
{
GSList *elem;
g_return_val_if_fail(list != NULL, -1);
for (elem = *list; elem != NULL; elem = g_slist_next(elem))
if (GPOINTER_TO_INT(elem->data) >= num)
break;
*list = elem;
return elem != NULL ? GPOINTER_TO_INT(elem->data) : (gint)-1;
}
/*
* NEW and DELETED flags are not syncronized
* - The NEW/RECENT flags in IMAP folders can not really be directly
* modified by Sylpheed
* - The DELETE/DELETED flag in IMAP and Sylpheed don't have the same
* meaning, in IMAP it always removes the messages from the FolderItem
* in Sylpheed it can mean to move the message to trash
*/
typedef struct _get_flags_data {
Folder *folder;
FolderItem *item;
MsgInfoList *msginfo_list;
GRelation *msgflags;
gboolean full_search;
gboolean done;
} get_flags_data;
static /*gint*/ void *imap_get_flags_thread(void *data)
{
get_flags_data *stuff = (get_flags_data *)data;
Folder *folder = stuff->folder;
FolderItem *item = stuff->item;
MsgInfoList *msginfo_list = stuff->msginfo_list;
GRelation *msgflags = stuff->msgflags;
gboolean full_search = stuff->full_search;
IMAPSession *session;
GSList *sorted_list = NULL;
GSList *unseen = NULL, *answered = NULL, *flagged = NULL, *deleted = NULL;
GSList *p_unseen, *p_answered, *p_flagged, *p_deleted;
GSList *elem;
GSList *seq_list, *cur;
gboolean reverse_seen = FALSE;
GString *cmd_buf;
gint ok;
gint exists_cnt, unseen_cnt;
gboolean selected_folder;
if (folder == NULL || item == NULL) {
stuff->done = TRUE;
return GINT_TO_POINTER(-1);
}
session = imap_session_get(folder);
if (session == NULL) {
stuff->done = TRUE;
return GINT_TO_POINTER(-1);
}
lock_session();
selected_folder = (session->mbox != NULL) &&
(!strcmp(session->mbox, item->path));
if (!selected_folder) {
ok = imap_select(session, IMAP_FOLDER(folder), item->path,
&exists_cnt, NULL, &unseen_cnt, NULL, TRUE);
if (ok != IMAP_SUCCESS) {
stuff->done = TRUE;
unlock_session();
return GINT_TO_POINTER(-1);
}
if (unseen_cnt > exists_cnt / 2)
reverse_seen = TRUE;
}
else {
if (item->unread_msgs > item->total_msgs / 2)
reverse_seen = TRUE;
}
cmd_buf = g_string_new(NULL);
sorted_list = g_slist_sort(g_slist_copy(msginfo_list), compare_msginfo);
if (!full_search) {
seq_list = imap_get_lep_set_from_msglist(msginfo_list);
} else {
struct mailimap_set * set;
set = mailimap_set_new_interval(1, 0);
seq_list = g_slist_append(NULL, set);
}
for (cur = seq_list; cur != NULL; cur = g_slist_next(cur)) {
struct mailimap_set * imapset;
clist * lep_uidlist;
int r;
imapset = cur->data;
if (reverse_seen) {
r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_SEEN,
full_search ? NULL:imapset, &lep_uidlist);
}
else {
r = imap_threaded_search(folder,
IMAP_SEARCH_TYPE_UNSEEN,
full_search ? NULL:imapset, &lep_uidlist);
}
if (r == MAILIMAP_NO_ERROR) {
GSList * uidlist;
uidlist = imap_uid_list_from_lep(lep_uidlist);
mailimap_search_result_free(lep_uidlist);
unseen = g_slist_concat(unseen, uidlist);
}
r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_FLAGGED,
full_search ? NULL:imapset, &lep_uidlist);
if (r == MAILIMAP_NO_ERROR) {
GSList * uidlist;
uidlist = imap_uid_list_from_lep(lep_uidlist);
mailimap_search_result_free(lep_uidlist);
flagged = g_slist_concat(flagged, uidlist);
}
if (item->opened || item->processing_pending || item == folder->inbox) {
r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_ANSWERED,
full_search ? NULL:imapset, &lep_uidlist);
if (r == MAILIMAP_NO_ERROR) {
GSList * uidlist;
uidlist = imap_uid_list_from_lep(lep_uidlist);
mailimap_search_result_free(lep_uidlist);
answered = g_slist_concat(answered, uidlist);
}
r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_DELETED,
full_search ? NULL:imapset, &lep_uidlist);
if (r == MAILIMAP_NO_ERROR) {
GSList * uidlist;
uidlist = imap_uid_list_from_lep(lep_uidlist);
mailimap_search_result_free(lep_uidlist);
deleted = g_slist_concat(deleted, uidlist);
}
}
}
p_unseen = unseen;
p_answered = answered;
p_flagged = flagged;
p_deleted = deleted;
for (elem = sorted_list; elem != NULL; elem = g_slist_next(elem)) {
MsgInfo *msginfo;
MsgPermFlags flags;
gboolean wasnew;
msginfo = (MsgInfo *) elem->data;
flags = msginfo->flags.perm_flags;
wasnew = (flags & MSG_NEW);
if (item->opened || item->processing_pending || item == folder->inbox) {
flags &= ~((reverse_seen ? 0 : MSG_UNREAD | MSG_NEW) | MSG_REPLIED | MSG_MARKED);
} else {
flags &= ~((reverse_seen ? 0 : MSG_UNREAD | MSG_NEW | MSG_MARKED));
}
if (reverse_seen)
flags |= MSG_UNREAD | (wasnew ? MSG_NEW : 0);
if (gslist_find_next_num(&p_unseen, msginfo->msgnum) == msginfo->msgnum) {
if (!reverse_seen) {
flags |= MSG_UNREAD | (wasnew ? MSG_NEW : 0);
} else {
flags &= ~(MSG_UNREAD | MSG_NEW);
}
}
if (gslist_find_next_num(&p_flagged, msginfo->msgnum) == msginfo->msgnum)
flags |= MSG_MARKED;
else
flags &= ~MSG_MARKED;
if (item->opened || item->processing_pending || item == folder->inbox) {
if (gslist_find_next_num(&p_answered, msginfo->msgnum) == msginfo->msgnum)
flags |= MSG_REPLIED;
else
flags &= ~MSG_REPLIED;
if (gslist_find_next_num(&p_deleted, msginfo->msgnum) == msginfo->msgnum)
flags |= MSG_DELETED;
else
flags &= ~MSG_DELETED;
}
g_relation_insert(msgflags, msginfo, GINT_TO_POINTER(flags));
}
imap_lep_set_free(seq_list);
g_slist_free(flagged);
g_slist_free(deleted);
g_slist_free(answered);
g_slist_free(unseen);
g_slist_free(sorted_list);
g_string_free(cmd_buf, TRUE);
stuff->done = TRUE;
unlock_session();
return GINT_TO_POINTER(0);
}
static gint imap_get_flags(Folder *folder, FolderItem *item,
MsgInfoList *msginfo_list, GRelation *msgflags)
{
gint result;
get_flags_data *data = g_new0(get_flags_data, 1);
data->done = FALSE;
data->folder = folder;
data->item = item;
data->msginfo_list = msginfo_list;
data->msgflags = msgflags;
data->full_search = FALSE;
GSList *tmp = NULL, *cur;
if (prefs_common.work_offline &&
!inc_offline_should_override(
_("Claws Mail needs network access in order "
"to access the IMAP server."))) {
g_free(data);
return -1;
}
tmp = folder_item_get_msg_list(item);
if (g_slist_length(tmp) <= g_slist_length(msginfo_list))
data->full_search = TRUE;
for (cur = tmp; cur; cur = cur->next)
procmsg_msginfo_free((MsgInfo *)cur->data);
g_slist_free(tmp);
result = GPOINTER_TO_INT(imap_get_flags_thread(data));
g_free(data);
return result;
}
static gboolean process_flags(gpointer key, gpointer value, gpointer user_data)
{
gboolean flags_set = GPOINTER_TO_INT(user_data);
gint flags_value = GPOINTER_TO_INT(key);
hashtable_data *data = (hashtable_data *)value;
IMAPFolderItem *_item = data->item;
FolderItem *item = (FolderItem *)_item;
gint ok = IMAP_ERROR;
IMAPSession *session = imap_session_get(item->folder);
data->msglist = g_slist_reverse(data->msglist);
debug_print("IMAP %ssetting flags to %d for %d messages\n",
flags_set?"":"un",
flags_value,
g_slist_length(data->msglist));
if (session) {
lock_session();
ok = imap_select(session, IMAP_FOLDER(item->folder), item->path,
NULL, NULL, NULL, NULL, FALSE);
}
if (ok == IMAP_SUCCESS) {
imap_set_message_flags(data->session, data->msglist, flags_value, flags_set);
} else {
g_warning("can't select mailbox %s\n", item->path);
}
if (session)
unlock_session();
g_slist_free(data->msglist);
g_free(data);
return TRUE;
}
static void process_hashtable(IMAPFolderItem *item)
{
if (item->flags_set_table) {
g_hash_table_foreach_remove(item->flags_set_table, process_flags, GINT_TO_POINTER(TRUE));
g_hash_table_destroy(item->flags_set_table);
item->flags_set_table = NULL;
}
if (item->flags_unset_table) {
g_hash_table_foreach_remove(item->flags_unset_table, process_flags, GINT_TO_POINTER(FALSE));
g_hash_table_destroy(item->flags_unset_table);
item->flags_unset_table = NULL;
}
}
static void imap_set_batch (Folder *folder, FolderItem *_item, gboolean batch)
{
IMAPFolderItem *item = (IMAPFolderItem *)_item;
g_return_if_fail(item != NULL);
if (item->batching == batch)
return;
if (batch) {
item->batching = TRUE;
debug_print("IMAP switching to batch mode\n");
if (!item->flags_set_table) {
item->flags_set_table = g_hash_table_new(NULL, g_direct_equal);
}
if (!item->flags_unset_table) {
item->flags_unset_table = g_hash_table_new(NULL, g_direct_equal);
}
} else {
debug_print("IMAP switching away from batch mode\n");
/* process stuff */
process_hashtable(item);
item->batching = FALSE;
}
}
/* data types conversion libetpan <-> claws */
#define ETPAN_IMAP_MB_MARKED 1
#define ETPAN_IMAP_MB_UNMARKED 2
#define ETPAN_IMAP_MB_NOSELECT 4
#define ETPAN_IMAP_MB_NOINFERIORS 8
static int imap_flags_to_flags(struct mailimap_mbx_list_flags * imap_flags)
{
int flags;
clistiter * cur;
flags = 0;
if (imap_flags->mbf_type == MAILIMAP_MBX_LIST_FLAGS_SFLAG) {
switch (imap_flags->mbf_sflag) {
case MAILIMAP_MBX_LIST_SFLAG_MARKED:
flags |= ETPAN_IMAP_MB_MARKED;
break;
case MAILIMAP_MBX_LIST_SFLAG_NOSELECT:
flags |= ETPAN_IMAP_MB_NOSELECT;
break;
case MAILIMAP_MBX_LIST_SFLAG_UNMARKED:
flags |= ETPAN_IMAP_MB_UNMARKED;
break;
}
}
for(cur = clist_begin(imap_flags->mbf_oflags) ; cur != NULL ;
cur = clist_next(cur)) {
struct mailimap_mbx_list_oflag * oflag;
oflag = clist_content(cur);
switch (oflag->of_type) {
case MAILIMAP_MBX_LIST_OFLAG_NOINFERIORS:
flags |= ETPAN_IMAP_MB_NOINFERIORS;
break;
}
}
return flags;
}
static GSList * imap_list_from_lep(IMAPFolder * folder,
clist * list, const gchar * real_path, gboolean all)
{
clistiter * iter;
GSList * item_list = NULL, *llast = NULL;
for(iter = clist_begin(list) ; iter != NULL ;
iter = clist_next(iter)) {
struct mailimap_mailbox_list * mb;
int flags;
char delimiter;
char * name;
char * dup_name;
gchar * base;
gchar * loc_name;
gchar * loc_path;
FolderItem *new_item;
mb = clist_content(iter);
if (mb == NULL)
continue;
flags = 0;
if (mb->mb_flag != NULL)
flags = imap_flags_to_flags(mb->mb_flag);
delimiter = mb->mb_delimiter;
name = mb->mb_name;
dup_name = strdup(name);
if (delimiter != '\0')
subst_char(dup_name, delimiter, '/');
base = g_path_get_basename(dup_name);
if (base[0] == '.') {
g_free(base);
free(dup_name);
continue;
}
if (!all && strcmp(dup_name, real_path) == 0) {
g_free(base);
free(dup_name);
continue;
}
if (!all && dup_name[strlen(dup_name)-1] == '/') {
g_free(base);
free(dup_name);
continue;
}
loc_name = imap_modified_utf7_to_utf8(base);
loc_path = imap_modified_utf7_to_utf8(dup_name);
new_item = folder_item_new(FOLDER(folder), loc_name, loc_path);
if ((flags & ETPAN_IMAP_MB_NOINFERIORS) != 0)
new_item->no_sub = TRUE;
if (strcmp(dup_name, "INBOX") != 0 &&
((flags & ETPAN_IMAP_MB_NOSELECT) != 0))
new_item->no_select = TRUE;
if (item_list == NULL)
llast = item_list = g_slist_append(item_list, new_item);
else {
llast = g_slist_append(llast, new_item);
llast = llast->next;
}
debug_print("folder '%s' found.\n", loc_path);
g_free(base);
g_free(loc_path);
g_free(loc_name);
free(dup_name);
}
return item_list;
}
static GSList * imap_get_lep_set_from_numlist(MsgNumberList *numlist)
{
GSList *sorted_list, *cur;
guint first, last, next;
GSList *ret_list = NULL, *llast = NULL;
unsigned int count;
struct mailimap_set * current_set;
unsigned int item_count;
if (numlist == NULL)
return NULL;
count = 0;
current_set = mailimap_set_new_empty();
sorted_list = g_slist_copy(numlist);
sorted_list = g_slist_sort(sorted_list, g_int_compare);
first = GPOINTER_TO_INT(sorted_list->data);
item_count = 0;
for (cur = sorted_list; cur != NULL; cur = g_slist_next(cur)) {
if (GPOINTER_TO_INT(cur->data) == 0)
continue;
item_count ++;
last = GPOINTER_TO_INT(cur->data);
if (cur->next)
next = GPOINTER_TO_INT(cur->next->data);
else
next = 0;
if (last + 1 != next || next == 0) {
struct mailimap_set_item * item;
item = mailimap_set_item_new(first, last);
mailimap_set_add(current_set, item);
count ++;
first = next;
if (count >= IMAP_SET_MAX_COUNT) {
if (ret_list == NULL)
llast = ret_list = g_slist_append(ret_list,
current_set);
else {
llast = g_slist_append(llast, current_set);
llast = llast->next;
}
current_set = mailimap_set_new_empty();
count = 0;
item_count = 0;
}
}
}
if (clist_count(current_set->set_list) > 0) {
ret_list = g_slist_append(ret_list,
current_set);
}
g_slist_free(sorted_list);
return ret_list;
}
static GSList * imap_get_lep_set_from_msglist(MsgInfoList *msglist)
{
MsgNumberList *numlist = NULL;
MsgInfoList *cur;
GSList *seq_list;
for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
MsgInfo *msginfo = (MsgInfo *) cur->data;
numlist = g_slist_prepend(numlist, GINT_TO_POINTER(msginfo->msgnum));
}
numlist = g_slist_reverse(numlist);
seq_list = imap_get_lep_set_from_numlist(numlist);
g_slist_free(numlist);
return seq_list;
}
static GSList * imap_uid_list_from_lep(clist * list)
{
clistiter * iter;
GSList * result;
result = NULL;
for(iter = clist_begin(list) ; iter != NULL ;
iter = clist_next(iter)) {
uint32_t * puid;
puid = clist_content(iter);
result = g_slist_prepend(result, GINT_TO_POINTER(* puid));
}
result = g_slist_reverse(result);
return result;
}
static GSList * imap_uid_list_from_lep_tab(carray * list)
{
unsigned int i;
GSList * result;
result = NULL;
for(i = 0 ; i < carray_count(list) ; i ++) {
uint32_t * puid;
puid = carray_get(list, i);
result = g_slist_prepend(result, GINT_TO_POINTER(* puid));
}
result = g_slist_reverse(result);
return result;
}
static MsgInfo *imap_envelope_from_lep(struct imap_fetch_env_info * info,
FolderItem *item)
{
MsgInfo *msginfo = NULL;
guint32 uid = 0;
size_t size = 0;
MsgFlags flags = {0, 0};
if (info->headers == NULL)
return NULL;
MSG_SET_TMP_FLAGS(flags, MSG_IMAP);
if (folder_has_parent_of_type(item, F_QUEUE)) {
MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
} else if (folder_has_parent_of_type(item, F_DRAFT)) {
MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
}
flags.perm_flags = info->flags;
uid = info->uid;
size = info->size;
msginfo = procheader_parse_str(info->headers, flags, FALSE, FALSE);
if (msginfo) {
msginfo->msgnum = uid;
msginfo->size = size;
}
return msginfo;
}
static void imap_lep_set_free(GSList *seq_list)
{
GSList * cur;
for(cur = seq_list ; cur != NULL ; cur = g_slist_next(cur)) {
struct mailimap_set * imapset;
imapset = cur->data;
mailimap_set_free(imapset);
}
g_slist_free(seq_list);
}
static struct mailimap_flag_list * imap_flag_to_lep(IMAPFlags flags)
{
struct mailimap_flag_list * flag_list;
flag_list = mailimap_flag_list_new_empty();
if (IMAP_IS_SEEN(flags))
mailimap_flag_list_add(flag_list,
mailimap_flag_new_seen());
if (IMAP_IS_ANSWERED(flags))
mailimap_flag_list_add(flag_list,
mailimap_flag_new_answered());
if (IMAP_IS_FLAGGED(flags))
mailimap_flag_list_add(flag_list,
mailimap_flag_new_flagged());
if (IMAP_IS_DELETED(flags))
mailimap_flag_list_add(flag_list,
mailimap_flag_new_deleted());
if (IMAP_IS_DRAFT(flags))
mailimap_flag_list_add(flag_list,
mailimap_flag_new_draft());
return flag_list;
}
guint imap_folder_get_refcnt(Folder *folder)
{
return ((IMAPFolder *)folder)->refcnt;
}
void imap_folder_ref(Folder *folder)
{
((IMAPFolder *)folder)->refcnt++;
}
void imap_disconnect_all(void)
{
GList *list;
for (list = account_get_list(); list != NULL; list = list->next) {
PrefsAccount *account = list->data;
if (account->protocol == A_IMAP4) {
RemoteFolder *folder = (RemoteFolder *)account->folder;
if (folder && folder->session) {
IMAPSession *session = (IMAPSession *)folder->session;
imap_threaded_disconnect(FOLDER(folder));
SESSION(session)->state = SESSION_DISCONNECTED;
session_destroy(SESSION(session));
folder->session = NULL;
}
}
}
}
void imap_folder_unref(Folder *folder)
{
if (((IMAPFolder *)folder)->refcnt > 0)
((IMAPFolder *)folder)->refcnt--;
}
#else /* HAVE_LIBETPAN */
static FolderClass imap_class;
static XMLTag *imap_item_get_xml(Folder *folder, FolderItem *item);
static void imap_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag);
static Folder *imap_folder_new (const gchar *name,
const gchar *path)
{
static gboolean missing_imap_warning = TRUE;
if (missing_imap_warning) {
missing_imap_warning = FALSE;
alertpanel_error(
_("You have one or more IMAP accounts "
"defined. However this version of "
"Claws Mail has been built without "
"IMAP support; your IMAP account(s) are "
"disabled.\n\n"
"You probably need to "
"install libetpan and recompile "
"Claws Mail."));
}
return NULL;
}
static gint imap_create_tree (Folder *folder)
{
return -1;
}
static FolderItem *imap_create_folder (Folder *folder,
FolderItem *parent,
const gchar *name)
{
return NULL;
}
static gint imap_rename_folder (Folder *folder,
FolderItem *item,
const gchar *name)
{
return -1;
}
gchar imap_get_path_separator_for_item(FolderItem *item)
{
return '/';
}
FolderClass *imap_get_class(void)
{
if (imap_class.idstr == NULL) {
imap_class.type = F_IMAP;
imap_class.idstr = "imap";
imap_class.uistr = "IMAP4";
imap_class.new_folder = imap_folder_new;
imap_class.create_tree = imap_create_tree;
imap_class.create_folder = imap_create_folder;
imap_class.rename_folder = imap_rename_folder;
imap_class.set_xml = folder_set_xml;
imap_class.get_xml = folder_get_xml;
imap_class.item_set_xml = imap_item_set_xml;
imap_class.item_get_xml = imap_item_get_xml;
/* nothing implemented */
}
return &imap_class;
}
void imap_disconnect_all(void)
{
}
#endif
void imap_synchronise(FolderItem *item)
{
imap_gtk_synchronise(item);
}
static void imap_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag)
{
#ifdef HAVE_LIBETPAN
GList *cur;
#endif
folder_item_set_xml(folder, item, tag);
#ifdef HAVE_LIBETPAN
for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
XMLAttr *attr = (XMLAttr *) cur->data;
if (!attr || !attr->name || !attr->value) continue;
if (!strcmp(attr->name, "uidnext"))
IMAP_FOLDER_ITEM(item)->uid_next = atoi(attr->value);
}
#endif
}
static XMLTag *imap_item_get_xml(Folder *folder, FolderItem *item)
{
XMLTag *tag;
tag = folder_item_get_xml(folder, item);
#ifdef HAVE_LIBETPAN
xml_tag_add_attr(tag, xml_attr_new_int("uidnext",
IMAP_FOLDER_ITEM(item)->uid_next));
#endif
return tag;
}
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