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claws-mail/src/imap.c
Ricardo Mones da97dac531 Fix use after free
2017-04-18 12:13:33 +02:00

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/*
* Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
* Copyright (C) 1999-2016 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#include "claws-features.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"
#include "alertpanel.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
#ifdef USE_GNUTLS
# 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 "utils.h"
#include "prefs_common.h"
#include "inputdialog.h"
#include "log.h"
#include "remotefolder.h"
#include "claws.h"
#include "statusbar.h"
#include "msgcache.h"
#include "imap-thread.h"
#include "account.h"
#include "tags.h"
#include "main.h"
#include "passwordstore.h"
typedef struct _IMAPFolder IMAPFolder;
typedef struct _IMAPSession IMAPSession;
typedef struct _IMAPNameSpace IMAPNameSpace;
typedef struct _IMAPFolderItem IMAPFolderItem;
#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;
guint max_set_size;
gchar *search_charset;
gboolean search_charset_supported;
};
struct _IMAPSession
{
Session session;
gboolean authenticated;
GSList *capability;
gboolean uidplus;
gchar *mbox;
guint cmd_count;
/* CLAWS */
gboolean folder_content_changed;
guint exists;
guint recent;
guint expunge;
guint unseen;
guint uid_validity;
guint uid_next;
Folder * folder;
gboolean busy;
gboolean cancelled;
gboolean sens_update_block;
gboolean do_destroy;
};
struct _IMAPNameSpace
{
gchar *name;
gchar separator;
};
#define IMAPBUFSIZE 8192
#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 IMAP_IS_FORWARDED(flags) ((flags & IMAP_FLAG_FORWARDED) != 0)
#define IMAP_IS_SPAM(flags) ((flags & IMAP_FLAG_SPAM) != 0)
#define IMAP_IS_HAM(flags) ((flags & IMAP_FLAG_HAM) != 0)
#define IMAP4_PORT 143
#ifdef USE_GNUTLS
#define IMAPS_PORT 993
#endif
#define IMAP_CMD_LIMIT 1000
enum {
ITEM_CAN_CREATE_FLAGS_UNKNOWN = 0,
ITEM_CAN_CREATE_FLAGS,
ITEM_CANNOT_CREATE_FLAGS
};
struct _IMAPFolderItem
{
FolderItem item;
guint lastuid;
guint uid_next;
GSList *uid_list;
gboolean batching;
GHashTable *flags_set_table;
GHashTable *flags_unset_table;
guint32 last_change;
guint32 last_sync;
gboolean should_update;
gboolean should_trash_cache;
gint can_create_flags;
GHashTable *tags_set_table;
GHashTable *tags_unset_table;
GSList *ok_flags;
};
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 gint imap_session_authenticate(IMAPSession *session,
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 void imap_remove_cached_msg (Folder *folder,
FolderItem *item,
MsgInfo *msginfo);
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,
GHashTable *relation);
static gint imap_copy_msg (Folder *folder,
FolderItem *dest,
MsgInfo *msginfo);
static gint imap_copy_msgs (Folder *folder,
FolderItem *dest,
MsgInfoList *msglist,
GHashTable *relation);
static gint search_msgs (Folder *folder,
FolderItem *container,
MsgNumberList **msgs,
gboolean *on_server,
MatcherList *predicate,
SearchProgressNotify progress_cb,
gpointer progress_data);
static gint imap_remove_msg (Folder *folder,
FolderItem *item,
gint uid);
static gint imap_remove_msgs (Folder *folder,
FolderItem *dest,
MsgInfoList *msglist,
GHashTable *relation);
static gint imap_expunge (Folder *folder,
FolderItem *dest);
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,
gboolean subs_only);
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,
GHashTable *relation,
gboolean same_dest_ok);
static gint imap_do_remove_msgs (Folder *folder,
FolderItem *dest,
MsgInfoList *msglist,
GHashTable *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,
IMAPFolderItem *item,
MsgNumberList *numlist,
IMAPFlags flags,
GSList *tags,
gboolean is_set);
static gint imap_select (IMAPSession *session,
IMAPFolder *folder,
FolderItem *item,
gint *exists,
gint *recent,
gint *unseen,
guint32 *uid_validity,
gint *can_create_flags,
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 void imap_commit_tags (FolderItem *item,
MsgInfo *msginfo,
GSList *set_tags,
GSList *unset_tags);
static gchar imap_get_path_separator (IMAPSession *session,
IMAPFolder *folder,
const gchar *path,
gint *ok);
static gchar *imap_get_real_path (IMAPSession *session,
IMAPFolder *folder,
const gchar *path,
gint *ok);
#ifdef HAVE_LIBETPAN
static void imap_synchronise (FolderItem *item, gint days);
#endif
static gboolean imap_is_busy (Folder *folder);
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);
#ifdef USE_GNUTLS
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,
gint *can_create_flags,
GSList **ok_flags,
gboolean block);
static gint imap_cmd_close (IMAPSession *session);
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,
IMAPFolderItem *item,
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,
struct mailimap_set ** source,
struct mailimap_set ** dest);
static gint imap_cmd_store (IMAPSession *session,
IMAPFolderItem *item,
struct mailimap_set * set,
IMAPFlags flags,
GSList *tags,
int do_add);
static gint imap_cmd_expunge (IMAPSession *session);
static void imap_path_separator_subst (gchar *str,
gchar separator);
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,
GHashTable *msgflags);
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(IMAPFolder *folder, MsgNumberList *numlist);
static GSList * imap_get_lep_set_from_msglist(IMAPFolder *folder, MsgInfoList *msglist);
static GSList * imap_uid_list_from_lep(clist * list, gint* length);
static GSList * imap_uid_list_from_lep_tab(carray * list);
static void imap_flags_hash_from_lep_uid_flags_tab(carray * list,
GHashTable * hash,
GHashTable *tags_hash);
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(IMAPFolderItem *item, IMAPFlags flags, GSList *tags);
typedef struct _hashtable_data {
GSList *msglist;
IMAPFolderItem *item;
} hashtable_data;
static FolderClass imap_class;
FolderClass *imap_get_class(void)
{
if (imap_class.idstr == NULL) {
imap_class.type = F_IMAP;
imap_class.idstr = "imap";
imap_class.uistr = "IMAP";
imap_class.supports_server_search = TRUE;
/* 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.search_msgs = search_msgs;
imap_class.remove_msg = imap_remove_msg;
imap_class.remove_msgs = imap_remove_msgs;
imap_class.expunge = imap_expunge;
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;
imap_class.remove_cached_msg = imap_remove_cached_msg;
imap_class.commit_tags = imap_commit_tags;
}
return &imap_class;
}
static void imap_refresh_sensitivity (IMAPSession *session)
{
MainWindow *mainwin;
if (session->sens_update_block)
return;
mainwin = mainwindow_get_mainwindow();
if (mainwin) {
toolbar_main_set_sensitive(mainwin);
main_window_set_menu_sensitive(mainwin);
}
}
static void lock_session(IMAPSession *session)
{
if (session) {
debug_print("locking session %p (%d)\n", session, session->busy);
if (session->busy)
debug_print(" SESSION WAS LOCKED !! \n");
session->busy = TRUE;
imap_refresh_sensitivity(session);
} else {
debug_print("can't lock null session\n");
}
}
static void unlock_session(IMAPSession *session)
{
if (session) {
debug_print("unlocking session %p\n", session);
session->busy = FALSE;
imap_refresh_sensitivity(session);
} else {
debug_print("can't unlock null session\n");
}
}
static gboolean imap_ping(gpointer data)
{
Session *session = (Session *)data;
IMAPSession *imap_session = IMAP_SESSION(session);
int r;
if (session->state != SESSION_READY)
return FALSE;
if (imap_session->busy || !imap_session->authenticated)
return TRUE;
lock_session(imap_session);
r = imap_cmd_noop(imap_session);
unlock_session(imap_session);
return r == MAILIMAP_NO_ERROR;
}
static void imap_disc_session_destroy(IMAPSession *session)
{
RemoteFolder *rfolder = NULL;
if (session == NULL)
return;
rfolder = REMOTE_FOLDER(IMAP_SESSION(session)->folder);
if (rfolder == NULL)
return;
log_warning(LOG_PROTOCOL, _("IMAP connection broken\n"));
SESSION(session)->state = SESSION_DISCONNECTED;
SESSION(session)->sock = NULL;
}
static void imap_safe_destroy(IMAPSession *session)
{
if (!session->busy)
session_destroy(SESSION(session));
else
session->do_destroy = TRUE;
}
static gboolean is_fatal(int libetpan_errcode)
{
switch(libetpan_errcode) {
case MAILIMAP_ERROR_STREAM:
case MAILIMAP_ERROR_PROTOCOL:
case MAILIMAP_ERROR_PARSE:
case MAILIMAP_ERROR_BAD_STATE:
return TRUE;
default:
return FALSE;
}
}
static void imap_handle_error(Session *session, const gchar *server, int libetpan_errcode)
{
const gchar *session_server = (session ? session->server : NULL);
if (session_server == NULL)
session_server = server;
if (session_server == NULL)
session_server = "(null)";
switch(libetpan_errcode) {
case MAILIMAP_NO_ERROR:
return;
case MAILIMAP_NO_ERROR_AUTHENTICATED:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("authenticated"), "\n", NULL), session_server);
break;
case MAILIMAP_NO_ERROR_NON_AUTHENTICATED:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("not authenticated"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_BAD_STATE:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("bad state"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_STREAM:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("stream error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_PARSE:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("parse error "
"(very probably non-RFC compliance from the server)"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_CONNECTION_REFUSED:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("connection refused"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_MEMORY:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("memory error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_FATAL:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("fatal error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_PROTOCOL:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("protocol error "
"(very probably non-RFC compliance from the server)"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_DONT_ACCEPT_CONNECTION:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("connection not accepted"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_APPEND:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("APPEND error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_NOOP:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("NOOP error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_LOGOUT:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("LOGOUT error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_CAPABILITY:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("CAPABILITY error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_CHECK:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("CHECK error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_CLOSE:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("CLOSE error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_EXPUNGE:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("EXPUNGE error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_COPY:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("COPY error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_UID_COPY:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("UID COPY error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_CREATE:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("CREATE error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_DELETE:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("DELETE error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_EXAMINE:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("EXAMINE error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_FETCH:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("FETCH error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_UID_FETCH:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("UID FETCH error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_LIST:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("LIST error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_LOGIN:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("LOGIN error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_LSUB:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("LSUB error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_RENAME:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("RENAME error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_SEARCH:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("SEARCH error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_UID_SEARCH:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("UID SEARCH error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_SELECT:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("SELECT error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_STATUS:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("STATUS error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_STORE:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("STORE error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_UID_STORE:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("UID STORE error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_SUBSCRIBE:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("SUBSCRIBE error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_UNSUBSCRIBE:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("UNSUBSCRIBE error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_STARTTLS:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("STARTTLS error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_INVAL:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("INVAL error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_EXTENSION:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("EXTENSION error"), "\n", NULL), session_server);
break;
case MAILIMAP_ERROR_SASL:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("SASL error"), "\n", NULL), session_server);
break;
#ifdef USE_GNUTLS
case MAILIMAP_ERROR_SSL:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("SSL/TLS error"), "\n", NULL), session_server);
break;
#endif
default:
log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("Unknown error [%d]"), "\n", NULL),
session_server, libetpan_errcode);
break;
}
if (session && is_fatal(libetpan_errcode)) {
imap_disc_session_destroy(IMAP_SESSION(session));
} else if (session && !is_fatal(libetpan_errcode)) {
if (IMAP_SESSION(session)->busy)
unlock_session(IMAP_SESSION(session));
}
}
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();
g_free(IMAP_FOLDER(folder)->search_charset);
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);
IMAP_FOLDER(folder)->max_set_size = IMAP_SET_MAX_COUNT;
IMAP_FOLDER(folder)->search_charset_supported = TRUE;
IMAP_FOLDER(folder)->search_charset = g_strdup(conv_get_locale_charset_str_no_utf8());
}
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);
}
static int imap_get_capabilities(IMAPSession *session)
{
struct mailimap_capability_data *capabilities = NULL;
clistiter *cur;
int result;
if (session->capability != NULL)
return MAILIMAP_NO_ERROR;
result = imap_threaded_capability(session->folder, &capabilities);
if (result != MAILIMAP_NO_ERROR) {
return result;
}
if (capabilities == NULL || capabilities->cap_list == 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;
}
static 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 = MAILIMAP_ERROR_LOGIN;
static time_t last_login_err = 0;
gchar *ext_info = "";
int r;
gchar *server = NULL;
if ((r = imap_get_capabilities(session)) != MAILIMAP_NO_ERROR) {
imap_handle_error(SESSION(session), NULL, r);
return r;
}
server = g_strdup(SESSION(session)->server);
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_DIGEST_MD5:
ok = imap_cmd_login(session, user, pass, "DIGEST-MD5");
break;
case IMAP_AUTH_SCRAM_SHA1:
ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-1");
break;
case IMAP_AUTH_PLAIN:
ok = imap_cmd_login(session, user, pass, "PLAIN");
break;
case IMAP_AUTH_LOGIN:
ok = imap_cmd_login(session, user, pass, "LOGIN");
break;
case IMAP_AUTH_PLAINTEXT:
ok = imap_cmd_login(session, user, pass, "plaintext");
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 DIGEST-MD5 %d\n"
"\t SCRAM-SHA-1 %d\n"
"\t PLAIN %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, "DIGEST-MD5"),
imap_has_capability(session, "SCRAM-SHA-1"),
imap_has_capability(session, "PLAIN"),
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 == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "DIGEST-MD5"))
ok = imap_cmd_login(session, user, pass, "DIGEST-MD5");
if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "SCRAM-SHA-1"))
ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-1");
if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "PLAIN"))
ok = imap_cmd_login(session, user, pass, "PLAIN");
if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "LOGIN"))
ok = imap_cmd_login(session, user, pass, "LOGIN");
if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "GSSAPI"))
ok = imap_cmd_login(session, user, pass, "GSSAPI");
if (ok == MAILIMAP_ERROR_LOGIN) /* we always try plaintext login before giving up */
ok = imap_cmd_login(session, user, pass, "plaintext");
}
if (ok == MAILIMAP_NO_ERROR)
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 (type == IMAP_AUTH_DIGEST_MD5) {
ext_info = _("\n\nDIGEST-MD5 logins only work if libetpan has been "
"compiled with SASL support and the "
"DIGEST-MD5 SASL plugin is installed.");
}
if (type == IMAP_AUTH_SCRAM_SHA1) {
ext_info = _("\n\nSCRAM-SHA-1 logins only work if libetpan has been "
"compiled with SASL support and the "
"SCRAM SASL plugin is installed.");
}
if (type == IMAP_AUTH_PLAIN) {
ext_info = _("\n\nPLAIN logins only work if libetpan has been "
"compiled with SASL support and the "
"PLAIN SASL plugin is installed.");
}
if (type == IMAP_AUTH_LOGIN) {
ext_info = _("\n\nLOGIN logins only work if libetpan has been "
"compiled with SASL support and the "
"LOGIN SASL plugin is installed.");
}
if (time(NULL) - last_login_err > 10) {
if (!prefs_common.no_recv_err_panel) {
alertpanel_error_log(_("Connection to %s failed: "
"login refused.%s"),
server, ext_info);
} else {
log_error(LOG_PROTOCOL, _("Connection to %s failed: "
"login refused.%s\n"),
server, ext_info);
}
}
last_login_err = time(NULL);
}
g_free(server);
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(LOG_PROTOCOL, _("Connecting to %s failed"),
folder->account->recv_server);
SESSION(session)->sock = NULL;
imap_safe_destroy(session);
session = NULL;
} else {
rfolder->session = NULL;
log_warning(LOG_PROTOCOL, _("IMAP connection to %s has been"
" disconnected. Reconnecting...\n"),
folder->account->recv_server);
statusbar_print_all(_("IMAP connection to %s has been"
" disconnected. Reconnecting...\n"),
folder->account->recv_server);
SESSION(session)->state = SESSION_DISCONNECTED;
SESSION(session)->sock = NULL;
imap_safe_destroy(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 */
debug_print("getting session...\n");
session = imap_session_get(folder);
rfolder->session = SESSION(session);
statusbar_pop_all();
}
return session;
}
static IMAPSession *imap_session_get(Folder *folder)
{
RemoteFolder *rfolder = REMOTE_FOLDER(folder);
IMAPSession *session = NULL;
gint r = MAILIMAP_NO_ERROR;
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(FALSE,
_("Claws Mail needs network access in order "
"to access the IMAP server."))) {
return NULL;
}
/* check for deferred destroy */
if (rfolder->session != NULL) {
session = IMAP_SESSION(rfolder->session);
if (!session->busy && session->do_destroy) {
rfolder->session = NULL;
imap_safe_destroy(session);
session = NULL;
}
}
/* Make sure we have a session */
if (rfolder->session != NULL && rfolder->session->state != SESSION_DISCONNECTED) {
session = IMAP_SESSION(rfolder->session);
} else if (rfolder->session != NULL && rfolder->session->state == SESSION_DISCONNECTED) {
imap_safe_destroy(IMAP_SESSION(rfolder->session));
rfolder->session = NULL;
goto new_conn;
} else if (rfolder->connecting) {
debug_print("already connecting\n");
return NULL;
} else {
new_conn:
imap_reset_uid_lists(folder);
if (time(NULL) - rfolder->last_failure <= 2)
return NULL;
rfolder->connecting = TRUE;
session = imap_session_new(folder, folder->account);
}
if(session == NULL) {
rfolder->last_failure = time(NULL);
rfolder->connecting = FALSE;
return NULL;
}
/* Make sure session is authenticated */
if (!IMAP_SESSION(session)->authenticated)
r = imap_session_authenticate(IMAP_SESSION(session), folder->account);
if (r != MAILIMAP_NO_ERROR || (!is_fatal(r) && !IMAP_SESSION(session)->authenticated)) {
rfolder->session = NULL;
if (!is_fatal(r)) {
imap_threaded_disconnect(session->folder);
}
SESSION(session)->state = SESSION_DISCONNECTED;
SESSION(session)->sock = NULL;
imap_safe_destroy(session);
rfolder->last_failure = time(NULL);
rfolder->connecting = FALSE;
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) || session->cancelled) {
/* verify that the session is still alive */
r = imap_cmd_noop(session);
if (r != MAILIMAP_NO_ERROR) {
debug_print("disconnected!\n");
if (!is_fatal(r))
session = imap_reconnect_if_possible(folder, session);
else {
rfolder->session = NULL;
rfolder->connecting = FALSE;
SESSION(session)->state = SESSION_DISCONNECTED;
SESSION(session)->sock = NULL;
imap_safe_destroy(session);
session = imap_session_get(folder);
}
}
if (session)
session->cancelled = FALSE;
}
rfolder->session = SESSION(session);
rfolder->connecting = FALSE;
return IMAP_SESSION(session);
}
static IMAPSession *imap_session_new(Folder * folder,
const PrefsAccount *account)
{
IMAPSession *session;
gushort port;
int r;
int authenticated = FALSE;
gchar *buf;
#ifdef USE_GNUTLS
/* 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/TLS, but SSL/TLS 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);
buf = g_strdup_printf(_("Account '%s': Connecting to IMAP server: %s:%d..."),
folder->account->account_name, folder->account->recv_server,
port);
statuswindow_print_all("%s", buf);
log_message(LOG_PROTOCOL, "%s\n", buf);
g_free(buf);
#ifndef G_OS_WIN32
if (account->set_tunnelcmd) {
r = imap_threaded_connect_cmd(folder,
account->tunnelcmd,
account->recv_server,
port);
}
else
#endif
{
#ifdef USE_GNUTLS
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);
}
}
statuswindow_pop_all();
if (r == MAILIMAP_NO_ERROR_AUTHENTICATED) {
authenticated = TRUE;
}
else if (r == MAILIMAP_NO_ERROR_NON_AUTHENTICATED) {
authenticated = FALSE;
}
else {
#ifdef USE_GNUTLS
if (r == MAILIMAP_ERROR_SSL)
log_error(LOG_PROTOCOL, _("SSL/TLS handshake failed\n"));
else
#endif
imap_handle_error(NULL, account->recv_server, r);
if(!prefs_common.no_recv_err_panel) {
alertpanel_error_log(_("Can't connect to IMAP server: %s:%d"),
account->recv_server, port);
} else {
log_error(LOG_PROTOCOL, _("Can't connect to IMAP server: %s:%d\n"),
account->recv_server, port);
}
return NULL;
}
session = g_new0(IMAPSession, 1);
session_init(SESSION(session), account, FALSE);
SESSION(session)->type = SESSION_IMAP;
SESSION(session)->server = g_strdup(account->recv_server);
SESSION(session)->port = port;
SESSION(session)->sock = NULL;
SESSION(session)->destroy = imap_session_destroy;
session->capability = NULL;
session->authenticated = authenticated;
session->mbox = NULL;
session->exists = 0;
session->recent = 0;
session->expunge = 0;
session->cmd_count = 0;
session->folder = folder;
IMAP_FOLDER(session->folder)->last_seen_separator = 0;
#ifdef USE_GNUTLS
if (account->ssl_imap == SSL_STARTTLS) {
gint ok;
ok = imap_cmd_starttls(session);
if (ok != MAILIMAP_NO_ERROR) {
log_warning(LOG_PROTOCOL, _("Can't start STARTTLS session.\n"));
if (!is_fatal(ok)) {
SESSION(session)->sock = NULL;
imap_safe_destroy(session);
}
return NULL;
}
imap_free_capabilities(session);
session->authenticated = FALSE;
session->uidplus = FALSE;
session->cmd_count = 1;
}
#endif
log_message(LOG_PROTOCOL, "IMAP connection is %s-authenticated\n",
(session->authenticated) ? "pre" : "un");
session_register_ping(SESSION(session), imap_ping);
return session;
}
static gint imap_session_authenticate(IMAPSession *session,
PrefsAccount *account)
{
gchar *pass, *acc_pass = NULL;
gboolean failed = FALSE;
gint ok = MAILIMAP_NO_ERROR;
g_return_val_if_fail(account->userid != NULL, MAILIMAP_ERROR_BAD_STATE);
if (!password_get(account->userid, account->recv_server, "imap",
SESSION(session)->port, &acc_pass)) {
acc_pass = passwd_store_get_account(account->account_id,
PWS_ACCOUNT_RECV);
}
try_again:
pass = acc_pass;
if (!pass && account->imap_auth_type != IMAP_AUTH_ANON && account->imap_auth_type != IMAP_AUTH_GSSAPI) {
gchar *tmp_pass;
tmp_pass = input_dialog_query_password_keep(account->recv_server,
account->userid,
&(account->session_passwd));
if (!tmp_pass) {
return MAILIMAP_NO_ERROR;
}
Xstrdup_a(pass, tmp_pass, {g_free(tmp_pass); return MAILIMAP_NO_ERROR;});
g_free(tmp_pass);
} else if (account->imap_auth_type == IMAP_AUTH_ANON || account->imap_auth_type == IMAP_AUTH_GSSAPI) {
pass = "";
}
if ((ok = imap_auth(session, account->userid, pass, account->imap_auth_type)) != MAILIMAP_NO_ERROR) {
if (!failed && !is_fatal(ok)) {
if (acc_pass != NULL) {
memset(acc_pass, 0, strlen(acc_pass));
g_free(acc_pass);
acc_pass = NULL;
}
failed = TRUE;
if (account->session_passwd != NULL) {
g_free(account->session_passwd);
account->session_passwd = NULL;
}
goto try_again;
} else {
if (prefs_common.no_recv_err_panel) {
log_error(LOG_PROTOCOL, _("Couldn't login to IMAP server %s.\n"), account->recv_server);
mainwindow_show_error();
} else
alertpanel_error_log(_("Couldn't login to IMAP server %s."), account->recv_server);
}
if (acc_pass != NULL) {
memset(acc_pass, 0, strlen(acc_pass));
g_free(acc_pass);
acc_pass = NULL;
}
return ok;
}
if (acc_pass) {
memset(acc_pass, 0, strlen(acc_pass));
g_free(acc_pass);
}
statuswindow_pop_all();
session->authenticated = TRUE;
return MAILIMAP_NO_ERROR;
}
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);
}
static gchar *imap_fetch_msg(Folder *folder, FolderItem *item, gint uid)
{
return imap_fetch_msg_full(folder, item, uid, TRUE, TRUE);
}
static guint get_file_size_with_crs(const gchar *filename)
{
FILE *fp = NULL;
guint cnt = 0;
gchar buf[4096];
if (filename == NULL)
return -1;
fp = g_fopen(filename, "rb");
if (!fp)
return -1;
while (fgets(buf, sizeof (buf), fp) != NULL) {
cnt += strlen(buf);
if (!strstr(buf, "\r\n") && strstr(buf, "\n"))
cnt++;
}
fclose(fp);
return cnt;
}
static gchar *imap_get_cached_filename(FolderItem *item, guint msgnum)
{
gchar *path, *filename;
cm_return_val_if_fail(item != NULL, NULL);
path = folder_item_get_path(item);
if (!is_dir_exist(path)) {
g_free(path);
return NULL;
}
filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msgnum), NULL);
if (is_dir_exist(filename)) {
g_free(filename);
filename = g_strconcat(path, G_DIR_SEPARATOR_S, ".", itos(msgnum), NULL);
}
g_free(path);
return filename;
}
static void imap_remove_cached_msg(Folder *folder, FolderItem *item, MsgInfo *msginfo)
{
gchar *filename;
filename = imap_get_cached_filename(item, msginfo->msgnum);
cm_return_if_fail(filename != NULL);
if (is_file_exist(filename)) {
claws_unlink(filename);
}
g_free(filename);
}
typedef struct _TagsData {
gchar *str;
GSList *msglist;
IMAPFolderItem *item;
} TagsData;
static void imap_commit_tags(FolderItem *item, MsgInfo *msginfo, GSList *tags_set, GSList *tags_unset)
{
IMAPSession *session;
gint ok, can_create_tags;
Folder *folder = NULL;
TagsData *ht_data = NULL;
GSList *cur;
g_return_if_fail(item != NULL);
g_return_if_fail(msginfo != NULL);
folder = item->folder;
debug_print("getting session...\n");
session = imap_session_get(folder);
if (!session) {
debug_print("can't get session\n");
return;
}
ok = imap_select(session, IMAP_FOLDER(folder), item,
NULL, NULL, NULL, NULL, &can_create_tags, FALSE);
if (ok != MAILIMAP_NO_ERROR) {
return;
}
if (IMAP_FOLDER_ITEM(item)->can_create_flags != ITEM_CAN_CREATE_FLAGS)
return;
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 tags change\n");
for (cur = tags_set; cur; cur = cur->next) {
gint cur_tag = GPOINTER_TO_INT(cur->data);
if (cur_tag) {
ht_data = g_hash_table_lookup(IMAP_FOLDER_ITEM(item)->tags_set_table,
GINT_TO_POINTER(cur_tag));
if (ht_data == NULL) {
ht_data = g_new0(TagsData, 1);
ht_data->str = g_strdup(tags_get_tag(cur_tag));
ht_data->item = IMAP_FOLDER_ITEM(item);
g_hash_table_insert(IMAP_FOLDER_ITEM(item)->tags_set_table,
GINT_TO_POINTER(cur_tag), ht_data);
}
ht_data->msglist = g_slist_prepend(ht_data->msglist, GINT_TO_POINTER(msginfo->msgnum));
}
}
for (cur = tags_unset; cur; cur = cur->next) {
gint cur_tag = GPOINTER_TO_INT(cur->data);
if (cur_tag) {
ht_data = g_hash_table_lookup(IMAP_FOLDER_ITEM(item)->tags_unset_table,
GINT_TO_POINTER(cur_tag));
if (ht_data == NULL) {
ht_data = g_new0(TagsData, 1);
ht_data->str = g_strdup(tags_get_tag(cur_tag));
ht_data->item = IMAP_FOLDER_ITEM(item);
g_hash_table_insert(IMAP_FOLDER_ITEM(item)->tags_unset_table,
GINT_TO_POINTER(cur_tag), ht_data);
}
ht_data->msglist = g_slist_prepend(ht_data->msglist, GINT_TO_POINTER(msginfo->msgnum));
}
}
} else {
GSList *list_set = NULL;
GSList *list_unset = NULL;
GSList numlist;
numlist.data = GINT_TO_POINTER(msginfo->msgnum);
numlist.next = NULL;
debug_print("IMAP changing tags NOW\n");
for (cur = tags_set; cur; cur = cur->next) {
gint cur_tag = GPOINTER_TO_INT(cur->data);
const gchar *str = tags_get_tag(cur_tag);
if (IS_NOT_RESERVED_TAG(str))
list_set = g_slist_prepend(list_set, g_strdup(str));
}
if (list_set) {
ok = imap_set_message_flags(session,
IMAP_FOLDER_ITEM(item), &numlist, 0, list_set, TRUE);
slist_free_strings_full(list_set);
if (ok != MAILIMAP_NO_ERROR) {
return;
}
}
for (cur = tags_unset; cur; cur = cur->next) {
gint cur_tag = GPOINTER_TO_INT(cur->data);
const gchar *str = tags_get_tag(cur_tag);
if (IS_NOT_RESERVED_TAG(str))
list_unset = g_slist_prepend(list_unset, g_strdup(str));
}
if (list_unset) {
ok = imap_set_message_flags(session,
IMAP_FOLDER_ITEM(item), &numlist, 0, list_unset, FALSE);
slist_free_strings_full(list_unset);
if (ok != MAILIMAP_NO_ERROR) {
return;
}
}
}
}
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)) {
if(is_file_exist(path))
claws_unlink(path);
make_dir_hier(path);
}
g_free(path);
filename = imap_get_cached_filename(item, uid);
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 *cached = msgcache_get_msg(item->cache,uid);
guint have_size = -1;
if (cached)
debug_print("message %d has been already %scached.\n", uid,
MSG_IS_FULLY_CACHED(cached->flags) ? "fully ":"");
if (!cached || !MSG_IS_FULLY_CACHED(cached->flags)) {
have_size = get_file_size_with_crs(filename);
if (cached && (cached->size <= have_size || !body)) {
ok = file_strip_crs(filename);
if (ok == 0 && cached && cached->size <= have_size) {
/* we have it all and stripped */
debug_print("...fully cached in fact (%u/%zd); setting flag.\n",
have_size, cached->size);
procmsg_msginfo_set_flags(cached, MSG_FULLY_CACHED, 0);
}
procmsg_msginfo_free(&cached);
return filename;
} else if (!cached && time(NULL) - get_file_mtime(filename) < 60) {
debug_print("message not cached and file recent, considering file complete\n");
ok = file_strip_crs(filename);
if (ok == 0)
return filename;
} else {
procmsg_msginfo_free(&cached);
}
}
if (cached && MSG_IS_FULLY_CACHED(cached->flags)) {
procmsg_msginfo_free(&cached);
return filename;
}
} else {
MsgInfo *cached = msgcache_get_msg(item->cache,uid);
if (cached) {
procmsg_msginfo_unset_flags(cached, MSG_FULLY_CACHED, 0);
procmsg_msginfo_free(&cached);
}
}
debug_print("getting session...\n");
session = imap_session_get(folder);
if (!session) {
g_free(filename);
return NULL;
}
session_set_access_time(SESSION(session));
lock_session(session); /* unlocked later in the function */
debug_print("IMAP fetching messages\n");
ok = imap_select(session, IMAP_FOLDER(folder), item,
NULL, NULL, NULL, NULL, NULL, FALSE);
if (ok != MAILIMAP_NO_ERROR) {
g_warning("can't select mailbox %s", item->path);
g_free(filename);
return NULL;
}
session_set_access_time(SESSION(session));
debug_print("getting message %d...\n", uid);
ok = imap_cmd_fetch(session, (guint32)uid, filename, headers, body);
if (ok != MAILIMAP_NO_ERROR) {
g_warning("can't fetch message %d", uid);
g_free(filename);
return NULL;
}
session_set_access_time(SESSION(session));
unlock_session(session);
ok = file_strip_crs(filename);
if (ok == 0 && headers && body) {
MsgInfo *cached = msgcache_get_msg(item->cache,uid);
if (cached) {
procmsg_msginfo_set_flags(cached, MSG_FULLY_CACHED, 0);
procmsg_msginfo_free(&cached);
}
} else if (ok == -1) {
MsgInfo *cached = msgcache_get_msg(item->cache,uid);
if (cached) {
procmsg_msginfo_unset_flags(cached, MSG_FULLY_CACHED, 0);
procmsg_msginfo_free(&cached);
}
}
return filename;
}
static gboolean imap_is_msg_fully_cached(Folder *folder, FolderItem *item, gint uid)
{
gchar *filename;
guint size = 0;
MsgInfo *cached = msgcache_get_msg(item->cache,uid);
if (!cached)
return FALSE;
if (MSG_IS_FULLY_CACHED(cached->flags)) {
procmsg_msginfo_free(&cached);
return TRUE;
}
filename = imap_get_cached_filename(item, uid);
if (is_file_exist(filename)) {
if (cached && cached->total_size == cached->size) {
/* fast path */
g_free(filename);
procmsg_msginfo_set_flags(cached, MSG_FULLY_CACHED, 0);
return TRUE;
}
size = get_file_size_with_crs(filename);
}
g_free(filename);
debug_print("msg %d cached, has size %d, full should be %zd.\n", uid, size, cached->size);
if (cached && size >= cached->size) {
cached->total_size = cached->size;
procmsg_msginfo_set_flags(cached, MSG_FULLY_CACHED, 0);
procmsg_msginfo_free(&cached);
return TRUE;
}
if (cached)
procmsg_msginfo_free(&cached);
return FALSE;
}
void imap_cache_msg(FolderItem *item, gint msgnum)
{
Folder *folder = NULL;
if (!item)
return;
folder = item->folder;
if (!imap_is_msg_fully_cached(folder, item, msgnum)) {
gchar *tmp = imap_fetch_msg_full(folder, item, msgnum, TRUE, TRUE);
debug_print("fetched %s\n", tmp);
g_free(tmp);
}
}
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,
GHashTable *relation)
{
gchar *destdir;
IMAPSession *session;
guint32 last_uid = 0;
GSList *cur;
MsgFileInfo *fileinfo;
gint ok = MAILIMAP_NO_ERROR;
gint curnum = 0, total = 0;
gboolean missing_uids = FALSE;
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);
debug_print("getting session...\n");
session = imap_session_get(folder);
if (!session) {
return -1;
}
destdir = imap_get_real_path(session, IMAP_FOLDER(folder), dest->path, &ok);
if (is_fatal(ok)) {
g_free(destdir);
return -1;
}
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, total < 10 ? 1:10);
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_FORWARDED(*fileinfo->flags))
iflags |= IMAP_FLAG_FORWARDED;
if (MSG_IS_SPAM(*fileinfo->flags))
iflags |= IMAP_FLAG_SPAM;
else
iflags |= IMAP_FLAG_HAM;
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, IMAP_FOLDER_ITEM(dest), destdir, real_file, iflags,
&new_uid);
if (ok != MAILIMAP_NO_ERROR) {
g_warning("can't append message %s", real_file);
g_free(real_file);
g_free(destdir);
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) {
missing_uids = TRUE;
debug_print("Missing UID (0)\n");
}
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("got UID %d, copied to cache: %s\n", new_uid, cache_file);
g_free(cache_file);
}
g_free(cache_path);
}
}
if (relation != NULL)
g_hash_table_insert(relation, fileinfo->msginfo != NULL ?
(gpointer) fileinfo->msginfo : (gpointer) fileinfo,
GINT_TO_POINTER(new_uid));
if (last_uid < new_uid) {
last_uid = new_uid;
}
g_free(real_file);
}
statusbar_progress_all(0,0,0);
statusbar_pop_all();
g_free(destdir);
imap_scan_required(folder, dest);
session = imap_session_get(folder);
if (!session) {
return -1;
}
if (missing_uids) {
gint a;
ok = imap_select(session, IMAP_FOLDER(folder), dest,
&a, NULL, NULL, NULL, NULL, FALSE);
}
return last_uid;
}
static GSList *flatten_mailimap_set(struct mailimap_set * set)
{
GSList *result = NULL;
clistiter *list;
guint32 start, end, t;
GSList *cur;
if (!set || !set->set_list)
return NULL;
for (list = clist_begin(set->set_list); list; list = clist_next(list)) {
struct mailimap_set_item *item = (struct mailimap_set_item *)clist_content(list);
start = item->set_first;
end = item->set_last;
if (start <= end) {
for (t = start; t <= end; t++) {
result = g_slist_prepend(result, GINT_TO_POINTER(t));
}
}
}
result = g_slist_reverse(result);
if (debug_get_mode()) {
debug_print("flat imap set: ");
for (cur = result; cur; cur = cur->next) {
debug_print("%d ", GPOINTER_TO_INT(cur->data));
}
debug_print("\n");
}
return result;
}
static gint imap_do_copy_msgs(Folder *folder, FolderItem *dest,
MsgInfoList *msglist, GHashTable *relation,
gboolean same_dest_ok)
{
FolderItem *src;
gchar *destdir;
GSList *seq_list, *cur;
MsgInfo *msginfo;
IMAPSession *session;
gint ok = MAILIMAP_NO_ERROR;
GHashTable *uid_hash;
gint last_num = 0;
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(dest != NULL, -1);
g_return_val_if_fail(msglist != NULL, -1);
debug_print("getting session...\n");
session = imap_session_get(folder);
if (!session) {
return -1;
}
msginfo = (MsgInfo *)msglist->data;
src = msginfo->folder;
if (!same_dest_ok && src == dest) {
g_warning("the src folder is identical to the dest.");
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;
}
lock_session(session); /* unlocked later in the function */
ok = imap_select(session, IMAP_FOLDER(folder), msginfo->folder,
NULL, NULL, NULL, NULL, NULL, FALSE);
if (ok != MAILIMAP_NO_ERROR) {
return ok;
}
unlock_session(session);
destdir = imap_get_real_path(session, IMAP_FOLDER(folder), dest->path, &ok);
if (is_fatal(ok)) {
g_free(destdir);
return ok;
}
seq_list = imap_get_lep_set_from_msglist(IMAP_FOLDER(folder), msglist);
uid_hash = g_hash_table_new(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);
lock_session(session); /* unlocked later in the function */
ok = imap_cmd_copy(session, seq_set, destdir,
&source, &dest);
if (is_fatal(ok)) {
session = NULL;
}
if (ok == MAILIMAP_NO_ERROR) {
unlock_session(session);
if (relation && source && dest) {
GSList *s_list = flatten_mailimap_set(source);
GSList *d_list = flatten_mailimap_set(dest);
GSList *s_cur, *d_cur;
if (g_slist_length(s_list) == g_slist_length(d_list)) {
for (s_cur = s_list, d_cur = d_list;
s_cur && d_cur;
s_cur = s_cur->next, d_cur = d_cur->next) {
g_hash_table_insert(uid_hash, s_cur->data, d_cur->data);
}
} else {
debug_print("hhhmm, source list length != dest list length.\n");
}
g_slist_free(s_list);
g_slist_free(d_list);
}
}
if (source)
mailimap_set_free(source);
if (dest)
mailimap_set_free(dest);
if (ok != MAILIMAP_NO_ERROR) {
g_hash_table_destroy(uid_hash);
imap_lep_set_free(seq_list);
statusbar_pop_all();
return -1;
}
}
for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
MsgInfo *msginfo = (MsgInfo *)cur->data;
gpointer hashval;
hashval = g_hash_table_lookup(uid_hash, GINT_TO_POINTER(msginfo->msgnum));
if (hashval != NULL) {
gint num = GPOINTER_TO_INT(hashval);
g_hash_table_insert(relation, msginfo,
GINT_TO_POINTER(num));
if (num > last_num)
last_num = num;
debug_print("copied message %d as %d\n", msginfo->msgnum, 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)) {
if (copy_file(real_file, cache_file, TRUE) < 0)
debug_print("couldn't cache to %s: %s\n", cache_file,
strerror(errno));
else
debug_print("copied to cache: %s\n", cache_file);
}
g_free(real_file);
g_free(cache_file);
g_free(cache_path);
}
} else
g_hash_table_insert(relation, msginfo,
GINT_TO_POINTER(0));
}
statusbar_pop_all();
g_hash_table_destroy(uid_hash);
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;
imap_scan_required(folder, dest);
if (ok == MAILIMAP_NO_ERROR)
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, GHashTable *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, FALSE);
return ret;
}
static gboolean imap_matcher_type_is_local(gint matchertype)
{
switch (matchertype) {
case MATCHCRITERIA_FROM:
case MATCHCRITERIA_TO:
case MATCHCRITERIA_CC:
case MATCHCRITERIA_TO_OR_CC:
case MATCHCRITERIA_SUBJECT:
case MATCHCRITERIA_REFERENCES:
case MATCHCRITERIA_MESSAGEID:
case MATCHCRITERIA_INREPLYTO:
case MATCHCRITERIA_AGE_GREATER:
case MATCHCRITERIA_AGE_LOWER:
case MATCHCRITERIA_FORWARDED:
case MATCHCRITERIA_SPAM:
case MATCHCRITERIA_UNREAD:
case MATCHCRITERIA_NEW:
case MATCHCRITERIA_MARKED:
case MATCHCRITERIA_REPLIED:
case MATCHCRITERIA_DELETED:
case MATCHCRITERIA_SIZE_GREATER:
case MATCHCRITERIA_SIZE_SMALLER:
case MATCHCRITERIA_SIZE_EQUAL:
return TRUE;
}
return FALSE;
}
static IMAPSearchKey* search_make_key(MatcherProp* match, gboolean* is_all)
{
if (match->matchtype == MATCHTYPE_MATCHCASE || match->matchtype == MATCHTYPE_MATCH) {
IMAPSearchKey* result = NULL;
gboolean invert = FALSE;
gint matchertype = match->criteria;
if (is_all) {
*is_all = FALSE;
}
switch (matchertype) {
case MATCHCRITERIA_NOT_NEW: invert = TRUE; matchertype = MATCHCRITERIA_NEW; break;
case MATCHCRITERIA_NOT_MARKED: invert = TRUE; matchertype = MATCHCRITERIA_MARKED; break;
case MATCHCRITERIA_NOT_FORWARDED: invert = TRUE; matchertype = MATCHCRITERIA_FORWARDED; break;
case MATCHCRITERIA_NOT_SPAM: invert = TRUE; matchertype = MATCHCRITERIA_SPAM; break;
case MATCHCRITERIA_NOT_SUBJECT: invert = TRUE; matchertype = MATCHCRITERIA_SUBJECT; break;
case MATCHCRITERIA_NOT_FROM: invert = TRUE; matchertype = MATCHCRITERIA_FROM; break;
case MATCHCRITERIA_NOT_TO: invert = TRUE; matchertype = MATCHCRITERIA_TO; break;
case MATCHCRITERIA_NOT_CC: invert = TRUE; matchertype = MATCHCRITERIA_CC; break;
case MATCHCRITERIA_NOT_REFERENCES: invert = TRUE; matchertype = MATCHCRITERIA_REFERENCES; break;
case MATCHCRITERIA_NOT_HEADER: invert = TRUE; matchertype = MATCHCRITERIA_HEADER; break;
case MATCHCRITERIA_NOT_TAG: invert = TRUE; matchertype = MATCHCRITERIA_TAG; break;
case MATCHCRITERIA_NOT_HEADERS_PART: invert = TRUE; matchertype = MATCHCRITERIA_HEADERS_PART; break;
case MATCHCRITERIA_NOT_HEADERS_CONT: invert = TRUE; matchertype = MATCHCRITERIA_HEADERS_CONT; break;
case MATCHCRITERIA_NOT_MESSAGE: invert = TRUE; matchertype = MATCHCRITERIA_MESSAGE; break;
case MATCHCRITERIA_NOT_BODY_PART: invert = TRUE; matchertype = MATCHCRITERIA_BODY_PART; break;
case MATCHCRITERIA_NOT_TO_AND_NOT_CC: invert = TRUE; matchertype = MATCHCRITERIA_TO_OR_CC; break;
case MATCHCRITERIA_NOT_MESSAGEID: invert = TRUE; matchertype = MATCHCRITERIA_MESSAGEID; break;
case MATCHCRITERIA_NOT_INREPLYTO: invert = TRUE; matchertype = MATCHCRITERIA_INREPLYTO; break;
}
/*
* this aborts conversion even for predicates understood by the following code.
* while that might seem wasteful, claws local search for information listed below
* has proven faster than IMAP search plus network roundtrips. once this changes,
* consider removing these exceptions.
*/
if (imap_matcher_type_is_local(matchertype))
return NULL;
/* the Message-ID header is also cached */
if (matchertype == MATCHCRITERIA_HEADER && g_strcmp0("Message-ID", match->header) == 0) {
return NULL;
}
switch (matchertype) {
case MATCHCRITERIA_FORWARDED:
result = imap_search_new(IMAP_SEARCH_CRITERIA_TAG, NULL, RTAG_FORWARDED, 0);
break;
case MATCHCRITERIA_SPAM:
result = imap_search_new(IMAP_SEARCH_CRITERIA_TAG, NULL, RTAG_JUNK, 0);
break;
case MATCHCRITERIA_MESSAGEID:
result = imap_search_new(IMAP_SEARCH_CRITERIA_HEADER, "Message-ID", match->expr, 0);
break;
case MATCHCRITERIA_INREPLYTO:
result = imap_search_new(IMAP_SEARCH_CRITERIA_HEADER, "In-Reply-To", match->expr, 0);
break;
case MATCHCRITERIA_REFERENCES:
result = imap_search_new(IMAP_SEARCH_CRITERIA_HEADER, "References", match->expr, 0);
break;
case MATCHCRITERIA_TO_OR_CC:
result = imap_search_or(
imap_search_new(IMAP_SEARCH_CRITERIA_TO, NULL, match->expr, 0),
imap_search_new(IMAP_SEARCH_CRITERIA_CC, NULL, match->expr, 0)
);
break;
case MATCHCRITERIA_HEADERS_PART:
case MATCHCRITERIA_HEADERS_CONT:
result = imap_search_and(
imap_search_not(imap_search_new(IMAP_SEARCH_CRITERIA_BODY, NULL, match->expr, 0)),
imap_search_new(IMAP_SEARCH_CRITERIA_MESSAGE, NULL, match->expr, 0)
);
break;
case MATCHCRITERIA_SIZE_EQUAL:
result = imap_search_and(
imap_search_not(imap_search_new(IMAP_SEARCH_CRITERIA_SIZE_SMALLER, NULL, NULL, match->value)),
imap_search_not(imap_search_new(IMAP_SEARCH_CRITERIA_SIZE_GREATER, NULL, NULL, match->value))
);
break;
case MATCHCRITERIA_NOT_UNREAD:
result = imap_search_new(IMAP_SEARCH_CRITERIA_READ, NULL, NULL, 0);
break;
case MATCHCRITERIA_UNREAD:
result = imap_search_new(IMAP_SEARCH_CRITERIA_UNREAD, NULL, NULL, 0);
break;
case MATCHCRITERIA_NEW:
result = imap_search_new(IMAP_SEARCH_CRITERIA_NEW, NULL, NULL, 0);
break;
case MATCHCRITERIA_MARKED:
result = imap_search_new(IMAP_SEARCH_CRITERIA_MARKED, NULL, NULL, 0);
break;
case MATCHCRITERIA_DELETED:
result = imap_search_new(IMAP_SEARCH_CRITERIA_DELETED, NULL, NULL, 0);
break;
case MATCHCRITERIA_REPLIED:
result = imap_search_new(IMAP_SEARCH_CRITERIA_REPLIED, NULL, NULL, 0);
break;
case MATCHCRITERIA_TAG:
{
gchar *tmp = imap_utf8_to_modified_utf7(match->expr, TRUE);
result = imap_search_new(IMAP_SEARCH_CRITERIA_TAG, NULL, tmp, 0);
g_free(tmp);
}
break;
case MATCHCRITERIA_SUBJECT:
result = imap_search_new(IMAP_SEARCH_CRITERIA_SUBJECT, NULL, match->expr, 0);
break;
case MATCHCRITERIA_FROM:
result = imap_search_new(IMAP_SEARCH_CRITERIA_FROM, NULL, match->expr, 0);
break;
case MATCHCRITERIA_TO:
result = imap_search_new(IMAP_SEARCH_CRITERIA_TO, NULL, match->expr, 0);
break;
case MATCHCRITERIA_CC:
result = imap_search_new(IMAP_SEARCH_CRITERIA_CC, NULL, match->expr, 0);
break;
case MATCHCRITERIA_AGE_GREATER:
result = imap_search_new(IMAP_SEARCH_CRITERIA_AGE_GREATER, NULL, NULL, match->value);
break;
case MATCHCRITERIA_AGE_LOWER:
result = imap_search_new(IMAP_SEARCH_CRITERIA_AGE_LOWER, NULL, NULL, match->value);
break;
case MATCHCRITERIA_BODY_PART:
result = imap_search_new(IMAP_SEARCH_CRITERIA_BODY, NULL, match->expr, 0);
break;
case MATCHCRITERIA_MESSAGE:
result = imap_search_new(IMAP_SEARCH_CRITERIA_MESSAGE, NULL, match->expr, 0);
break;
case MATCHCRITERIA_HEADER:
result = imap_search_new(IMAP_SEARCH_CRITERIA_HEADER, match->header, match->expr, 0);
break;
case MATCHCRITERIA_SIZE_GREATER:
result = imap_search_new(IMAP_SEARCH_CRITERIA_SIZE_GREATER, NULL, NULL, match->value);
break;
case MATCHCRITERIA_SIZE_SMALLER:
result = imap_search_new(IMAP_SEARCH_CRITERIA_SIZE_SMALLER, NULL, NULL, match->value);
break;
default:
result = imap_search_new(IMAP_SEARCH_CRITERIA_ALL, NULL, NULL, 0);
if (is_all) {
*is_all = TRUE;
}
break;
}
if (invert) {
result = imap_search_not(result);
if (is_all && *is_all) {
*is_all = FALSE;
}
}
return result;
}
return NULL;
}
static void imap_change_search_charset(IMAPFolder *folder)
{
/* If server supports charset in searches, but the last used one failed,
* changed to the next preferred charset. If none are still available,
* disable charset searches.
* Charsets are tried in the following order:
* UTF-8, locale's charset, UTF-7.
*/
if (folder->search_charset_supported) {
if (folder->search_charset && !strcmp(folder->search_charset, conv_get_locale_charset_str_no_utf8()))
folder->search_charset = "UTF-8";
else if (folder->search_charset && !strcmp(folder->search_charset, "UTF-8"))
folder->search_charset = "UTF-7";
else {
folder->search_charset = NULL;
folder->search_charset_supported = FALSE;
}
}
}
static MatcherProp *imap_matcher_prop_set_charset(IMAPFolder *folder,
MatcherProp *utf8_prop,
gchar **charset)
{
/* If the match is going to be done locally, or the criteria is on
* tag (special-cased to modified-UTF-7), or the expression searched
* is ASCII, don't bother converting.
*/
if (imap_matcher_type_is_local(utf8_prop->criteria)
|| utf8_prop->criteria == MATCHCRITERIA_TAG
|| utf8_prop->criteria == MATCHCRITERIA_NOT_TAG
|| utf8_prop->expr == NULL
|| is_ascii_str(utf8_prop->expr))
return matcherprop_new(utf8_prop->criteria,
utf8_prop->header,
utf8_prop->matchtype,
utf8_prop->expr,
utf8_prop->value);
else {
gchar *conv_expr = NULL;
/* If the search is server-side and the server doesn't support
* searching with the charsets we handle, bail out.
*/
if (folder->search_charset_supported == FALSE)
return NULL;
/* Else, convert. */
if (*charset == NULL)
*charset = g_strdup(folder->search_charset);
conv_expr = conv_codeset_strdup(utf8_prop->expr, CS_UTF_8, *charset);
if (conv_expr == NULL)
conv_expr = g_strdup(utf8_prop->expr);
return matcherprop_new(utf8_prop->criteria,
utf8_prop->header,
utf8_prop->matchtype,
conv_expr,
utf8_prop->value);
}
}
static gint search_msgs (Folder *folder,
FolderItem *container,
MsgNumberList **msgs,
gboolean *on_server,
MatcherList *predicate,
SearchProgressNotify progress_cb,
gpointer progress_data)
{
IMAPSearchKey* key = NULL;
GSList* cur;
int result = -1;
clist* uidlist = NULL;
gboolean server_filtering_useless = FALSE;
IMAPSession *session;
gchar *charset_to_use = NULL;
if (on_server == NULL || !*on_server) {
return folder_item_search_msgs_local(folder, container, msgs, on_server,
predicate, progress_cb, progress_data);
}
for (cur = predicate->matchers; cur != NULL; cur = cur->next) {
IMAPSearchKey* matcherPart = NULL;
MatcherProp* prop = (MatcherProp*) cur->data;
gboolean is_all;
MatcherProp *imap_prop = imap_matcher_prop_set_charset(IMAP_FOLDER(folder), prop, &charset_to_use);
if (imap_prop == NULL) {
/* Couldn't convert matcherprop to IMAP - probably not ascii
* and server doesn't support the charsets we do. */
return -1;
}
matcherPart = search_make_key(imap_prop, &is_all);
matcherprop_free(imap_prop);
if (on_server) {
*on_server &= matcherPart != NULL && prop->matchtype == MATCHTYPE_MATCHCASE;
}
if (matcherPart) {
if (key == NULL) {
key = matcherPart;
server_filtering_useless = is_all;
} else if (predicate->bool_and) {
key = imap_search_and(key, matcherPart);
server_filtering_useless &= is_all;
} else {
key = imap_search_or(key, matcherPart);
server_filtering_useless |= is_all;
}
}
}
if (server_filtering_useless) {
imap_search_free(key);
key = NULL;
}
if (key == NULL && progress_cb != NULL) {
GSList* cur;
GSList* list;
int count = 0;
progress_cb(progress_data, TRUE, 0, 0, container->total_msgs);
progress_cb(progress_data, TRUE, container->total_msgs, 0, container->total_msgs);
list = folder_item_get_msg_list(container);
for (cur = list; cur != NULL; cur = cur->next) {
*msgs = g_slist_prepend(*msgs, GUINT_TO_POINTER(((MsgInfo*) cur->data)->msgnum));
count++;
}
procmsg_msg_list_free(list);
*msgs = g_slist_reverse(*msgs);
return count;
}
session = imap_session_get(folder);
if (!session) {
return -1;
}
result = imap_select(session, IMAP_FOLDER(folder), FOLDER_ITEM(container),
NULL, NULL, NULL, NULL, NULL, TRUE);
if (result != MAILIMAP_NO_ERROR)
return -1;
if (progress_cb)
progress_cb(progress_data, TRUE, 0, 0, container->total_msgs);
result = imap_threaded_search(folder, IMAP_SEARCH_TYPE_KEYED, key, charset_to_use, NULL, &uidlist);
if (progress_cb)
progress_cb(progress_data, TRUE, container->total_msgs, 0, container->total_msgs);
if (result == MAILIMAP_NO_ERROR) {
gint result = 0;
*msgs = imap_uid_list_from_lep(uidlist, &result);
mailimap_search_result_free(uidlist);
if (charset_to_use != NULL)
g_free(charset_to_use);
return result;
} else if (charset_to_use != NULL) {
/* If search failed and was on an 8-bit string, try the next
* available charset to search if there still are some.
*/
g_free(charset_to_use);
imap_change_search_charset(IMAP_FOLDER(folder));
if (IMAP_FOLDER(folder)->search_charset_supported)
return search_msgs(folder, container, msgs, on_server, predicate,
progress_cb, progress_data);
else
return -1;
} else {
return -1;
}
}
static gint imap_do_remove_msgs(Folder *folder, FolderItem *dest,
MsgInfoList *msglist, GHashTable *relation)
{
gchar *destdir, *dir;
GSList *numlist = NULL, *cur;
MsgInfo *msginfo;
IMAPSession *session;
gint ok = MAILIMAP_NO_ERROR;
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(dest != NULL, -1);
g_return_val_if_fail(msglist != NULL, -1);
debug_print("getting session...\n");
session = imap_session_get(folder);
if (!session) {
return -1;
}
lock_session(session); /* unlocked later in the function */
msginfo = (MsgInfo *)msglist->data;
ok = imap_select(session, IMAP_FOLDER(folder), msginfo->folder,
NULL, NULL, NULL, NULL, NULL, FALSE);
if (ok != MAILIMAP_NO_ERROR) {
return ok;
}
destdir = imap_get_real_path(session, IMAP_FOLDER(folder), dest->path, &ok);
if (is_fatal(ok)) {
g_free(destdir);
return ok;
}
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);
if (numlist != NULL) {
ok = imap_set_message_flags
(session, IMAP_FOLDER_ITEM(msginfo->folder), numlist, IMAP_FLAG_DELETED, NULL, TRUE);
if (ok != MAILIMAP_NO_ERROR) {
log_warning(LOG_PROTOCOL, _("can't set deleted flags\n"));
g_free(destdir);
return ok;
}
} /* else we just need to expunge */
ok = imap_cmd_expunge(session);
if (ok != MAILIMAP_NO_ERROR) {
log_warning(LOG_PROTOCOL, _("can't expunge\n"));
g_free(destdir);
return ok;
}
session->folder_content_changed = TRUE;
unlock_session(session);
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_slist_free(numlist);
imap_scan_required(folder, dest);
g_free(destdir);
return 0;
}
static gint imap_remove_msgs(Folder *folder, FolderItem *dest,
MsgInfoList *msglist, GHashTable *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_real(Folder *folder, gboolean subs_only)
{
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);
debug_print("getting session...\n");
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;
}
if (folder->account->imap_dir && *folder->account->imap_dir) {
gchar *real_path;
int r = MAILIMAP_NO_ERROR;
clist * lep_list;
Xstrdup_a(root_folder, folder->account->imap_dir, {return -1;});
extract_quote(root_folder, '"');
subst_char(root_folder,
imap_get_path_separator(session, IMAP_FOLDER(folder),
root_folder, &r),
'/');
if (is_fatal(r))
return -1;
strtailchomp(root_folder, '/');
real_path = imap_get_real_path
(session, IMAP_FOLDER(folder), root_folder, &r);
if (is_fatal(r)) {
g_free(real_path);
return -1;
}
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)
imap_handle_error(SESSION(session), NULL, r);
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);
}
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) {
item->path = g_strdup(root_folder);
}
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), subs_only);
imap_create_missing_folders(folder);
return 0;
}
static gint imap_scan_tree(Folder *folder)
{
gboolean subs_only = FALSE;
if (folder->account) {
debug_print(" scanning only subs %d\n", folder->account->imap_subsonly);
subs_only = folder->account->imap_subsonly;
}
return imap_scan_tree_real(folder, subs_only);
}
static gint imap_scan_tree_recursive(IMAPSession *session, FolderItem *item, gboolean subs_only)
{
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 = MAILIMAP_NO_ERROR;
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(session, imapfolder, item->path, &r);
if (is_fatal(r))
return r;
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(session, imapfolder, item->path, &r);
if (is_fatal(r)) {
g_free(real_path);
return r;
}
} else {
wildcard[0] = '%';
wildcard[1] = '\0';
real_path = g_strdup("");
}
Xstrcat_a(wildcard_path, real_path, wildcard,
{g_free(real_path); return MAILIMAP_ERROR_BAD_STATE;});
lep_list = NULL;
if (subs_only)
r = imap_threaded_lsub(folder, "", wildcard_path, &lep_list);
else
r = imap_threaded_list(folder, "", wildcard_path, &lep_list);
if (r != MAILIMAP_NO_ERROR) {
imap_handle_error(SESSION(session), NULL, r);
item_list = NULL;
g_free(real_path);
return r;
}
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) {
if (old_item && old_item->path && !strcasecmp(old_item->path, "INBOX")) {
debug_print("not removing INBOX\n");
} else {
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 (!strcasecmp(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") || !g_ascii_strcasecmp(base, "Draft"))) {
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, subs_only);
}
g_slist_free(item_list);
return MAILIMAP_NO_ERROR;
}
GList *imap_scan_subtree(Folder *folder, FolderItem *item, gboolean unsubs_only, gboolean recursive)
{
IMAPSession *session = imap_session_get(folder);
gchar *real_path;
gchar *wildcard_path;
gchar separator;
gchar wildcard[3];
clist * lep_list;
GSList *item_list = NULL, *cur;
GList *child_list = NULL, *tmplist = NULL;
GSList *sub_list = NULL;
int r = MAILIMAP_NO_ERROR;
if (!session)
return NULL;
separator = imap_get_path_separator(session, IMAP_FOLDER(folder), item->path, &r);
if (is_fatal(r))
return NULL;
if (item->path) {
wildcard[0] = separator;
wildcard[1] = '%';
wildcard[2] = '\0';
real_path = imap_get_real_path(session, IMAP_FOLDER(folder), item->path, &r);
if (is_fatal(r)) {
g_free(real_path);
return NULL;
}
} else {
wildcard[0] = '%';
wildcard[1] = '\0';
real_path = g_strdup("");
}
Xstrcat_a(wildcard_path, real_path, wildcard,
{g_free(real_path); return NULL;});
lep_list = NULL;
if (unsubs_only)
statusbar_print_all(_("Looking for unsubscribed folders in %s..."),
item->path?item->path:item->name);
else
statusbar_print_all(_("Looking for subfolders of %s..."),
item->path?item->path:item->name);
r = imap_threaded_list(folder, "", wildcard_path, &lep_list);
if (r) {
g_free(real_path);
statusbar_pop_all();
return NULL;
}
item_list = imap_list_from_lep(IMAP_FOLDER(folder),
lep_list, real_path, FALSE);
mailimap_list_result_free(lep_list);
for (cur = item_list; cur != NULL; cur = cur->next) {
FolderItem *cur_item = FOLDER_ITEM(cur->data);
if (recursive) {
tmplist = imap_scan_subtree(folder, cur_item,
unsubs_only, recursive);
if (tmplist)
child_list = g_list_concat(child_list, tmplist);
}
child_list = g_list_prepend(child_list,
imap_get_real_path(session,
IMAP_FOLDER(folder), cur_item->path, &r));
if (is_fatal(r)) {
g_free(real_path);
statusbar_pop_all();
return NULL;
}
folder_item_destroy(cur_item);
}
child_list = g_list_reverse(child_list);
g_slist_free(item_list);
if (unsubs_only) {
r = imap_threaded_lsub(folder, "", wildcard_path, &lep_list);
if (r) {
g_free(real_path);
statusbar_pop_all();
return NULL;
}
sub_list = imap_list_from_lep(IMAP_FOLDER(folder),
lep_list, real_path, FALSE);
mailimap_list_result_free(lep_list);
for (cur = sub_list; cur != NULL; cur = cur->next) {
FolderItem *cur_item = FOLDER_ITEM(cur->data);
GList *oldlitem = NULL;
gchar *tmp = imap_get_real_path(session,
IMAP_FOLDER(folder), cur_item->path, &r);
if (r) {
g_free(real_path);
statusbar_pop_all();
g_free(tmp);
return NULL;
}
folder_item_destroy(cur_item);
oldlitem = g_list_find_custom(
child_list, tmp, (GCompareFunc)strcmp2);
if (oldlitem) {
child_list = g_list_remove_link(child_list, oldlitem);
g_free(oldlitem->data);
g_list_free(oldlitem);
}
g_free(tmp);
}
}
g_free(real_path);
statusbar_pop_all();
return child_list;
}
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'", 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", name);
else
new_item->stype = stype;
} else
new_item->stype = stype;
return new_item;
}
#ifdef G_OS_WIN32
static gchar *imap_encode_unsafe_chars(const gchar *str)
{
gchar *ret = NULL, *o_ret;
gchar *i;
if (!str)
return NULL;
ret = g_malloc(3*strlen(str)+1);
o_ret = ret;
for (i = (gchar *)str; *i; i++) {
switch(*i) {
case ':':
case '|':
case '<':
case '>':
case '*':
case '?':
case '#':
*ret++ = '%';
*ret++ = '0'+(*i/10);
*ret++ = '0'+(*i%10);
break;
default:
*ret++ = *i;
}
}
*ret++ = '\0';
return o_ret;
}
#endif
static gchar *imap_item_get_path(Folder *folder, FolderItem *item)
{
gchar *folder_path, *path;
gchar *item_path = NULL;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(folder->account != NULL, NULL);
g_return_val_if_fail(item != NULL, NULL);
folder_path = prefs_account_cache_dir(folder->account, FALSE);
g_return_val_if_fail(folder_path != NULL, NULL);
#ifdef G_OS_UNIX
item_path = g_strdup(item->path);
#else
item_path = imap_encode_unsafe_chars(item->path);
#endif
if (g_path_is_absolute(folder_path)) {
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);
g_free(item_path);
#ifdef G_OS_WIN32
while (strchr(path, '/'))
*strchr(path, '/') = '\\';
#endif
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 = MAILIMAP_NO_ERROR;
gboolean no_select = FALSE, no_sub = FALSE;
gboolean exist = 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);
if (to_number(name) > 0) {
gchar *cached_msg = imap_get_cached_filename(parent, to_number(name));
if (is_file_exist(cached_msg)) {
if (claws_unlink(cached_msg) != 0) {
return NULL;
}
}
}
debug_print("getting session...\n");
session = imap_session_get(folder);
if (!session) {
return NULL;
}
if (!folder_item_parent(parent) && strcasecmp(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, {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, FALSE);
strtailchomp(dirpath, '/');
Xstrdup_a(new_name, name, {
g_free(dirpath);
g_free(imap_path);
return NULL;});
separator = imap_get_path_separator(session, IMAP_FOLDER(folder), imap_path, &ok);
if (is_fatal(ok)) {
g_free(imap_path);
return NULL;
}
imap_path_separator_subst(imap_path, separator);
/* remove trailing / for display */
strtailchomp(new_name, '/');
if (strcasecmp(dirpath, "INBOX") != 0) {
GPtrArray *argbuf;
int r;
clist * lep_list;
argbuf = g_ptr_array_new();
r = imap_threaded_list(folder, "", imap_path, &lep_list);
if (r != MAILIMAP_NO_ERROR) {
imap_handle_error(SESSION(session), NULL, r);
log_warning(LOG_PROTOCOL, _("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);
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 != MAILIMAP_NO_ERROR) {
log_warning(LOG_PROTOCOL, _("can't create mailbox\n"));
g_free(imap_path);
g_free(dirpath);
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 {
imap_handle_error(SESSION(session), NULL, r);
}
}
imap_threaded_subscribe(folder, imap_path, TRUE);
} 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);
} else {
imap_handle_error(SESSION(session), NULL, r);
}
}
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);
if (exist) {
/* folder existed, scan it */
imap_scan_required(folder, new_item);
folder_item_scan_full(new_item, FALSE);
}
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 = MAILIMAP_NO_ERROR;
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);
debug_print("getting session...\n");
session = imap_session_get(folder);
if (!session) {
return -1;
}
if (strchr(name, imap_get_path_separator(session, IMAP_FOLDER(folder), item->path, &ok)) != NULL ||
is_fatal(ok)) {
g_warning("New folder name must not contain the namespace "
"path separator");
return -1;
}
real_oldpath = imap_get_real_path(session, IMAP_FOLDER(folder), item->path, &ok);
if (is_fatal(ok)) {
g_free(real_oldpath);
return -1;
}
g_free(session->mbox);
session->mbox = NULL;
session->exists = 0;
session->recent = 0;
session->expunge = 0;
ok = imap_cmd_examine(session, "INBOX",
&exists, &recent, &unseen, &uid_validity, FALSE);
if (ok != MAILIMAP_NO_ERROR) {
g_free(real_oldpath);
return -1;
}
separator = imap_get_path_separator(session, IMAP_FOLDER(folder), item->path, &ok);
if (is_fatal(ok)) {
g_free(real_oldpath);
return -1;
}
if (strchr(item->path, '/')) {
dirpath = g_path_get_dirname(item->path);
newpath = g_strconcat(dirpath, "/", name, NULL);
g_free(dirpath);
} else
newpath = g_strdup(name);
real_newpath = imap_utf8_to_modified_utf7(newpath, FALSE);
imap_path_separator_subst(real_newpath, separator);
ok = imap_cmd_rename(session, real_oldpath, real_newpath);
if (ok != MAILIMAP_NO_ERROR) {
log_warning(LOG_PROTOCOL, _("can't rename mailbox: %s to %s\n"),
real_oldpath, real_newpath);
g_free(real_oldpath);
g_free(newpath);
g_free(real_newpath);
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 (g_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);
return 0;
}
gint imap_subscribe(Folder *folder, FolderItem *item, gchar *rpath, gboolean sub)
{
gchar *path;
gint r = MAILIMAP_NO_ERROR;
IMAPSession *session;
debug_print("getting session...\n");
session = imap_session_get(folder);
if (!session) {
return -1;
}
if (item && item->path) {
path = imap_get_real_path(session, IMAP_FOLDER(folder), item->path, &r);
if (!path)
return -1;
if (is_fatal(r)) {
g_free(path);
return -1;
}
if (!strcasecmp(path, "INBOX") && sub == FALSE) {
g_free(path);
return -1;
}
debug_print("%ssubscribing %s\n", sub?"":"un", path);
r = imap_threaded_subscribe(folder, path, sub);
g_free(path);
} else if (rpath) {
r = imap_threaded_subscribe(folder, rpath, sub);
} else
return -1;
return r;
}
static gint imap_remove_folder_real(Folder *folder, FolderItem *item)
{
gint ok = MAILIMAP_NO_ERROR;
IMAPSession *session;
gchar *path;
gchar *cache_dir;
gboolean selected_folder;
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);
debug_print("getting session...\n");
session = imap_session_get(folder);
if (!session) {
return -1;
}
path = imap_get_real_path(session, IMAP_FOLDER(folder), item->path, &ok);
if (is_fatal(ok)) {
g_free(path);
return -1;
}
imap_threaded_subscribe(folder, path, FALSE);
selected_folder = (session->mbox != NULL) &&
(!strcmp(session->mbox, item->path));
if (selected_folder) {
ok = imap_cmd_close(session);
if (ok != MAILIMAP_NO_ERROR) {
debug_print("close err %d\n", ok);
return ok;
}
}
ok = imap_cmd_delete(session, path);
if (ok != MAILIMAP_NO_ERROR && !is_fatal(ok)) {
gchar *tmp = NULL;
ok = MAILIMAP_NO_ERROR;
tmp = g_strdup_printf("%s%c", path,
imap_get_path_separator(session, IMAP_FOLDER(folder), path, &ok));
g_free(path);
path = tmp;
if (!is_fatal(ok))
ok = imap_cmd_delete(session, path);
}
if (ok != MAILIMAP_NO_ERROR) {
log_warning(LOG_PROTOCOL, _("can't delete mailbox\n"));
g_free(path);
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'", cache_dir);
g_free(cache_dir);
folder_item_remove(item);
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;
int ok;
} 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;
gboolean got_alien_tags = FALSE;
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(IMAP_FOLDER(item->folder), 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;
if (session->cancelled)
break;
imapset = cur->data;
r = imap_threaded_fetch_env(session->folder,
imapset, &env_list);
if (r != MAILIMAP_NO_ERROR) {
imap_handle_error(SESSION(session), NULL, r);
if (is_fatal(r)) {
stuff->ok = r;
return NULL;
}
continue;
}
session_set_access_time(SESSION(session));
count = 0;
for(i = 0 ; i < carray_count(env_list) ; i += 2) {
struct imap_fetch_env_info * info;
MsgInfo * msginfo;
GSList *tags = NULL, *cur = NULL;
info = carray_get(env_list, i);
tags = carray_get(env_list, i+1);
msginfo = imap_envelope_from_lep(info, item);
if (msginfo == NULL) {
slist_free_strings_full(tags);
continue;
}
g_slist_free(msginfo->tags);
msginfo->tags = NULL;
for (cur = tags; cur; cur = cur->next) {
gchar *real_tag = imap_modified_utf7_to_utf8(cur->data, TRUE);
gint id = 0;
id = tags_get_id_for_str(real_tag);
if (id == -1) {
id = tags_add_tag(real_tag);
got_alien_tags = TRUE;
}
if (!g_slist_find(msginfo->tags, GINT_TO_POINTER(id))) {
msginfo->tags = g_slist_prepend(
msginfo->tags,
GINT_TO_POINTER(id));
}
g_free(real_tag);
}
if (msginfo->tags)
msginfo->tags = g_slist_reverse(msginfo->tags);
slist_free_strings_full(tags);
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);
}
if (got_alien_tags) {
tags_write_tags();
main_window_reflect_tags_changes(mainwindow_get_mainwindow());
}
imap_lep_set_free(seq_list);
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,
int *r)
{
GSList *result = NULL;
GSList * cur;
uncached_data *data = g_new0(uncached_data, 1);
cur = numlist;
data->total = g_slist_length(numlist);
data->ok = MAILIMAP_NO_ERROR;
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(FALSE,
_("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);
*r = data->ok;
if (data->ok != MAILIMAP_NO_ERROR) {
goto bail;
}
statusbar_progress_all(data->cur,data->total, 1);
g_slist_free(newlist);
result = g_slist_concat(result, partial_result);
}
bail:
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("Deleting all cached messages done.\n");
}
gchar imap_get_path_separator_for_item(FolderItem *item)
{
Folder *folder = NULL;
IMAPFolder *imap_folder = NULL;
IMAPSession *session = NULL;
gchar result = '/';
gint ok = MAILIMAP_NO_ERROR;
if (!item)
return '/';
folder = item->folder;
if (!folder)
return '/';
imap_folder = IMAP_FOLDER(folder);
debug_print("getting session...\n");
session = imap_session_get(FOLDER(folder));
result = imap_get_path_separator(session, imap_folder, item->path, &ok);
return result;
}
static gchar imap_refresh_path_separator(IMAPSession *session, IMAPFolder *folder, const gchar *subfolder, gint *ok)
{
clist * lep_list;
int r;
gchar separator = '\0';
g_return_val_if_fail(session != NULL, '/');
r = imap_threaded_list((Folder *)folder, "", subfolder, &lep_list);
if (r != MAILIMAP_NO_ERROR) {
imap_handle_error(SESSION(session), NULL, r);
log_warning(LOG_PROTOCOL, _("LIST failed\n"));
*ok = r;
return '\0';
}
if (lep_list != NULL && clist_count(lep_list) > 0) {
clistiter * iter = clist_begin(lep_list);
struct mailimap_mailbox_list * mb;
mb = clist_content(iter);
separator = mb->mb_delimiter;
debug_print("got separator: %c\n", folder->last_seen_separator);
}
*ok = MAILIMAP_NO_ERROR;
mailimap_list_result_free(lep_list);
return separator;
}
static gchar imap_get_path_separator(IMAPSession *session, IMAPFolder *folder, const gchar *path, gint *ok)
{
gchar separator = '/';
*ok = MAILIMAP_NO_ERROR;
if (folder->last_seen_separator == 0) {
folder->last_seen_separator = imap_refresh_path_separator(session, folder, "", ok);
}
if (folder->last_seen_separator == 0) {
folder->last_seen_separator = imap_refresh_path_separator(session, folder, "INBOX", ok);
}
if (folder->last_seen_separator != 0) {
debug_print("using separator: %c\n", folder->last_seen_separator);
return folder->last_seen_separator;
}
return separator;
}
static gchar *imap_get_real_path(IMAPSession *session, IMAPFolder *folder, const gchar *path, gint *ok)
{
gchar *real_path = NULL;
gchar separator;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(path != NULL, NULL);
*ok = MAILIMAP_NO_ERROR;
real_path = imap_utf8_to_modified_utf7(path, FALSE);
separator = imap_get_path_separator(session, folder, path, ok);
if (*ok == MAILIMAP_NO_ERROR)
imap_path_separator_subst(real_path, separator);
return real_path;
}
static gint imap_set_message_flags(IMAPSession *session,
IMAPFolderItem *item,
MsgNumberList *numlist,
IMAPFlags flags,
GSList *tags,
gboolean is_set)
{
gint ok = 0;
GSList *seq_list;
GSList * cur;
gint total = 0;
IMAPFolder *folder = NULL;
GSList *sorted_list = NULL;
if (numlist == NULL || session == NULL)
return MAILIMAP_ERROR_BAD_STATE;
folder = IMAP_FOLDER(session->folder);
sorted_list = g_slist_copy(numlist);
sorted_list = g_slist_sort(sorted_list, g_int_compare);
cur = g_slist_last(sorted_list);
if (cur)
total = GPOINTER_TO_INT(cur->data);
seq_list = imap_get_lep_set_from_numlist(IMAP_FOLDER(session->folder), sorted_list);
statusbar_print_all(_("Flagging messages..."));
for(cur = seq_list ; cur != NULL ; cur = g_slist_next(cur)) {
struct mailimap_set * imapset = (struct mailimap_set *)cur->data;
struct mailimap_set_item *set_item = NULL;
if (imapset->set_list)
set_item = clist_content(clist_begin(imapset->set_list));
else
continue;
if (set_item == NULL)
continue;
statusbar_progress_all(set_item->set_first, total, 1);
ok = imap_cmd_store(session, item, imapset,
flags, tags, is_set);
statusbar_progress_all(set_item->set_last, total, 1);
if (ok != MAILIMAP_NO_ERROR && folder->max_set_size > 20) {
/* reduce max set size */
folder->max_set_size /= 2;
}
if (ok != MAILIMAP_NO_ERROR && is_fatal(ok)) {
break;
}
}
g_slist_free(sorted_list);
statusbar_progress_all(0,0,0);
statusbar_pop_all();
imap_lep_set_free(seq_list);
return ok;
}
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,
FolderItem *item,
gint *exists, gint *recent, gint *unseen,
guint32 *uid_validity, gint *can_create_flags,
gboolean block)
{
gchar *real_path;
gint ok = MAILIMAP_NO_ERROR;
gint exists_, recent_, unseen_;
guint32 uid_validity_;
gint can_create_flags_;
const gchar *path = item ? item->path:NULL;
if (!item) {
return MAILIMAP_ERROR_BAD_STATE;
}
if (!exists && !recent && !unseen && !uid_validity && !can_create_flags) {
if (session->mbox && strcmp(session->mbox, path) == 0)
return MAILIMAP_NO_ERROR;
}
if (!exists && !recent && !unseen && !uid_validity && can_create_flags) {
if (session->mbox && strcmp(session->mbox, path) == 0) {
if (IMAP_FOLDER_ITEM(item)->can_create_flags != ITEM_CAN_CREATE_FLAGS_UNKNOWN)
return MAILIMAP_NO_ERROR;
}
}
if (!exists)
exists = &exists_;
if (!recent)
recent = &recent_;
if (!unseen)
unseen = &unseen_;
if (!uid_validity)
uid_validity = &uid_validity_;
if (!can_create_flags)
can_create_flags = &can_create_flags_;
g_free(session->mbox);
session->mbox = NULL;
session->exists = 0;
session->recent = 0;
session->expunge = 0;
real_path = imap_get_real_path(session, folder, path, &ok);
if (is_fatal(ok)) {
g_free(real_path);
return ok;
}
g_slist_free(IMAP_FOLDER_ITEM(item)->ok_flags);
IMAP_FOLDER_ITEM(item)->ok_flags = NULL;
ok = imap_cmd_select(session, real_path,
exists, recent, unseen, uid_validity, can_create_flags,
&(IMAP_FOLDER_ITEM(item)->ok_flags), block);
if (ok != MAILIMAP_NO_ERROR) {
log_warning(LOG_PROTOCOL, _("can't select folder: %s\n"), real_path);
} else {
session->mbox = g_strdup(path);
session->folder_content_changed = FALSE;
session->exists = *exists;
session->recent = *recent;
session->expunge = 0;
session->unseen = *unseen;
session->uid_validity = *uid_validity;
debug_print("select: exists %d recent %d expunge %d uid_validity %d can_create_flags %d\n",
session->exists, session->recent, session->expunge,
session->uid_validity, *can_create_flags);
}
if (*can_create_flags) {
IMAP_FOLDER_ITEM(item)->can_create_flags = ITEM_CAN_CREATE_FLAGS;
} else {
IMAP_FOLDER_ITEM(item)->can_create_flags = ITEM_CANNOT_CREATE_FLAGS;
}
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 = MAILIMAP_NO_ERROR;
clistiter * iter;
struct mailimap_mailbox_data_status * data_status;
int got_values;
gchar *real_path;
guint mask = 0;
real_path = imap_get_real_path(session, folder, path, &r);
if (is_fatal(r)) {
g_free(real_path);
return r;
}
if (messages) {
mask |= 1 << 0;
*messages = 0;
}
if (uid_next) {
mask |= 1 << 2;
*uid_next = 0;
}
if (uid_validity) {
mask |= 1 << 3;
*uid_validity = 0;
}
if (unseen) {
mask |= 1 << 4;
*unseen = 0;
}
if (session->mbox != NULL &&
!strcmp(session->mbox, item->item.path)) {
r = imap_cmd_close(session);
if (r != MAILIMAP_NO_ERROR) {
debug_print("close err %d\n", r);
g_free(real_path);
return r;
}
}
r = imap_threaded_status(FOLDER(folder), real_path,
&data_status, mask);
g_free(real_path);
if (r != MAILIMAP_NO_ERROR) {
imap_handle_error(SESSION(session), NULL, r);
debug_print("status err %d\n", r);
return r;
}
if (data_status == NULL || data_status->st_info_list == NULL) {
debug_print("data_status %p\n", data_status);
if (data_status) {
debug_print("data_status->st_info_list %p\n", data_status->st_info_list);
mailimap_mailbox_data_status_free(data_status);
}
return MAILIMAP_ERROR_BAD_STATE;
}
got_values = 0;
if (data_status->st_info_list) {
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:
if (messages) {
* messages = info->st_value;
got_values |= 1 << 0;
}
break;
case MAILIMAP_STATUS_ATT_UIDNEXT:
if (uid_next) {
* uid_next = info->st_value;
got_values |= 1 << 2;
}
break;
case MAILIMAP_STATUS_ATT_UIDVALIDITY:
if (uid_validity) {
* uid_validity = info->st_value;
got_values |= 1 << 3;
}
break;
case MAILIMAP_STATUS_ATT_UNSEEN:
if (unseen) {
* unseen = info->st_value;
got_values |= 1 << 4;
}
break;
}
}
}
mailimap_mailbox_data_status_free(data_status);
if (got_values != mask) {
g_warning("status: incomplete values received (%d)", got_values);
}
return MAILIMAP_NO_ERROR;
}
static void imap_free_capabilities(IMAPSession *session)
{
slist_free_strings_full(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, "plaintext") && imap_has_capability(session, "LOGINDISABLED")) {
gint ok = MAILIMAP_ERROR_BAD_STATE;
if (imap_has_capability(session, "STARTTLS")) {
#ifdef USE_GNUTLS
log_warning(LOG_PROTOCOL, _("Server requires STARTTLS to log in.\n"));
ok = imap_cmd_starttls(session);
if (ok != MAILIMAP_NO_ERROR) {
log_warning(LOG_PROTOCOL, _("Can't start STARTTLS session.\n"));
return ok;
} else {
/* refresh capas */
imap_free_capabilities(session);
if ((r = imap_get_capabilities(session)) != MAILIMAP_NO_ERROR) {
imap_handle_error(SESSION(session), NULL, r);
log_warning(LOG_PROTOCOL, _("Can't refresh capabilities.\n"));
return r;
}
}
#else
log_error(LOG_PROTOCOL, _("Connection to %s failed: "
"server requires STARTTLS, but Claws Mail "
"has been compiled without STARTTLS "
"support.\n"),
SESSION(session)->server);
return MAILIMAP_ERROR_LOGIN;
#endif
} else {
log_error(LOG_PROTOCOL, _("Server logins are disabled.\n"));
return MAILIMAP_ERROR_LOGIN;
}
}
log_print(LOG_PROTOCOL, "IMAP> 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) {
imap_handle_error(SESSION(session), NULL, r);
log_print(LOG_PROTOCOL, "IMAP< Error logging in to %s\n",
SESSION(session)->server);
ok = r;
} else {
log_print(LOG_PROTOCOL, "IMAP< Login to %s successful\n",
SESSION(session)->server);
ok = MAILIMAP_NO_ERROR;
}
return ok;
}
static gint imap_cmd_noop(IMAPSession *session)
{
int r;
unsigned int exists, recent, expunge, unseen, uidnext, uidval;
r = imap_threaded_noop(session->folder, &exists, &recent, &expunge, &unseen, &uidnext, &uidval);
if (r != MAILIMAP_NO_ERROR) {
imap_handle_error(SESSION(session), NULL, r);
debug_print("noop err %d\n", r);
return r;
}
if ((exists && exists != session->exists)
|| (recent && recent != session->recent)
|| (expunge && expunge != session->expunge)
|| (unseen && unseen != session->unseen)) {
session->folder_content_changed = TRUE;
}
if (uidnext != 0 && uidnext != session->uid_next) {
session->uid_next = uidnext;
session->folder_content_changed = TRUE;
}
if (uidval != 0 && uidval != session->uid_validity) {
session->uid_validity = uidval;
session->folder_content_changed = TRUE;
}
session->exists = exists;
session->recent = recent;
session->expunge = expunge;
session->unseen = unseen;
session_set_access_time(SESSION(session));
return MAILIMAP_NO_ERROR;
}
#ifdef USE_GNUTLS
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) {
imap_handle_error(SESSION(session), NULL, r);
debug_print("STARTTLS err %d\n", r);
return r;
}
return MAILIMAP_NO_ERROR;
}
#endif
static gint imap_cmd_select(IMAPSession *session, const gchar *folder,
gint *exists, gint *recent, gint *unseen,
guint32 *uid_validity, gint *can_create_flags,
GSList **ok_flags, gboolean block)
{
int r;
r = imap_threaded_select(session->folder, folder,
exists, recent, unseen, uid_validity, can_create_flags, ok_flags);
if (r != MAILIMAP_NO_ERROR) {
imap_handle_error(SESSION(session), NULL, r);
debug_print("select err %d\n", r);
return r;
}
return MAILIMAP_NO_ERROR;
}
static gint imap_cmd_close(IMAPSession *session)
{
int r;
r = imap_threaded_close(session->folder);
if (r != MAILIMAP_NO_ERROR) {
imap_handle_error(SESSION(session), NULL, r);
debug_print("close err %d\n", r);
return r;
}
g_free(session->mbox);
session->mbox = NULL;
session->exists = 0;
session->recent = 0;
session->expunge = 0;
return MAILIMAP_NO_ERROR;
}
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) {
imap_handle_error(SESSION(session), NULL, r);
debug_print("examine err %d\n", r);
return r;
}
return MAILIMAP_NO_ERROR;
}
static gint imap_cmd_create(IMAPSession *session, const gchar *folder)
{
int r;
r = imap_threaded_create(session->folder, folder);
if (r != MAILIMAP_NO_ERROR) {
imap_handle_error(SESSION(session), NULL, r);
return r;
}
return MAILIMAP_NO_ERROR;
}
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) {
imap_handle_error(SESSION(session), NULL, r);
return r;
}
return MAILIMAP_NO_ERROR;
}
static gint imap_cmd_delete(IMAPSession *session, const gchar *folder)
{
int r;
r = imap_threaded_delete(session->folder, folder);
if (r != MAILIMAP_NO_ERROR) {
imap_handle_error(SESSION(session), NULL, r);
return r;
}
return MAILIMAP_NO_ERROR;
}
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) {
imap_handle_error(SESSION(session), NULL, r);
debug_print("fetch err %d\n", r);
return GINT_TO_POINTER(r);
}
return GINT_TO_POINTER(MAILIMAP_NO_ERROR);
}
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(FALSE,
_("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,
IMAPFolderItem *item,
const gchar *destfolder,
const gchar *file, IMAPFlags flags,
guint32 *new_uid)
{
struct mailimap_flag_list * flag_list;
int r;
cm_return_val_if_fail(file != NULL, MAILIMAP_ERROR_BAD_STATE);
flag_list = imap_flag_to_lep(item, flags, NULL);
lock_session(session);
r = imap_threaded_append(session->folder, destfolder,
file, flag_list, (int *)new_uid);
mailimap_flag_list_free(flag_list);
if (r != MAILIMAP_NO_ERROR) {
imap_handle_error(SESSION(session), NULL, r);
debug_print("append err %d\n", r);
return r;
}
unlock_session(session);
return MAILIMAP_NO_ERROR;
}
static gint imap_cmd_copy(IMAPSession *session, struct mailimap_set * set,
const gchar *destfolder,
struct mailimap_set **source, struct mailimap_set **dest)
{
int r;
g_return_val_if_fail(session != NULL, MAILIMAP_ERROR_BAD_STATE);
g_return_val_if_fail(set != NULL, MAILIMAP_ERROR_BAD_STATE);
g_return_val_if_fail(destfolder != NULL, MAILIMAP_ERROR_BAD_STATE);
r = imap_threaded_copy(session->folder, set, destfolder, source, dest);
if (r != MAILIMAP_NO_ERROR) {
imap_handle_error(SESSION(session), NULL, r);
return r;
}
return MAILIMAP_NO_ERROR;
}
static gint imap_cmd_store(IMAPSession *session,
IMAPFolderItem *item,
struct mailimap_set * set,
IMAPFlags flags, GSList *tags, int do_add)
{
int r;
struct mailimap_flag_list * flag_list = NULL;
struct mailimap_store_att_flags * store_att_flags;
flag_list = imap_flag_to_lep(item, flags, tags);
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) {
imap_handle_error(SESSION(session), NULL, r);
return r;
}
return MAILIMAP_NO_ERROR;
}
static gint imap_cmd_expunge(IMAPSession *session)
{
int r;
if (prefs_common.work_offline &&
!inc_offline_should_override(FALSE,
_("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) {
imap_handle_error(SESSION(session), NULL, r);
return r;
}
return MAILIMAP_NO_ERROR;
}
gint imap_expunge(Folder *folder, FolderItem *item)
{
IMAPSession *session = imap_session_get(folder);
if (session == NULL)
return -1;
return imap_cmd_expunge(session);
}
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 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 *real_oldpath, *real_newpath;
gchar *base;
gchar *new_itempath;
gint oldpathlen;
IMAPSession *session = imap_session_get(item->folder);
gint ok = MAILIMAP_NO_ERROR;
oldpathlen = strlen(oldpath);
if (strncmp(oldpath, item->path, oldpathlen) != 0) {
g_warning("path doesn't match: %s, %s", oldpath, item->path);
return TRUE;
}
base = item->path + oldpathlen;
while (*base == '/') base++;
if (*base == '\0')
new_itempath = g_strdup(newpath);
else
new_itempath = g_strconcat(newpath, "/", base,
NULL);
real_oldpath = imap_get_real_path(session, IMAP_FOLDER(item->folder), item->path, &ok);
g_free(item->path);
item->path = new_itempath;
real_newpath = imap_get_real_path(session, IMAP_FOLDER(item->folder), item->path, &ok);
imap_threaded_subscribe(item->folder, real_oldpath, FALSE);
imap_threaded_subscribe(item->folder, real_newpath, TRUE);
g_free(real_oldpath);
g_free(real_newpath);
return FALSE;
}
static gint get_list_of_uids(IMAPSession *session, Folder *folder, IMAPFolderItem *item, GSList **msgnum_list)
{
GSList *uidlist, *elem;
int r = -1;
clist * lep_uidlist;
gint ok, nummsgs = 0;
if (session == NULL) {
return -1;
}
ok = imap_select(session, IMAP_FOLDER(folder), FOLDER_ITEM(item),
NULL, NULL, NULL, NULL, NULL, TRUE);
if (ok != MAILIMAP_NO_ERROR) {
return -1;
}
g_slist_free(item->uid_list);
item->uid_list = NULL;
uidlist = NULL;
if (folder->account && folder->account->low_bandwidth) {
r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_SIMPLE,
NULL, NULL, NULL, &lep_uidlist);
}
if (r == MAILIMAP_NO_ERROR) {
uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
mailimap_search_result_free(lep_uidlist);
} else {
carray * lep_uidtab;
if (r != -1) { /* inited */
imap_handle_error(SESSION(session), NULL, r);
if (is_fatal(r))
return -1;
}
r = imap_threaded_fetch_uid(folder, 1,
&lep_uidtab);
if (r == MAILIMAP_NO_ERROR) {
uidlist = imap_uid_list_from_lep_tab(lep_uidtab);
imap_fetch_uid_list_free(lep_uidtab);
}
}
if (r != MAILIMAP_NO_ERROR) {
imap_handle_error(SESSION(session), NULL, r);
return -1;
}
for (elem = uidlist; elem != NULL; elem = g_slist_next(elem)) {
guint msgnum;
msgnum = GPOINTER_TO_INT(elem->data);
*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++;
}
g_slist_free(uidlist);
return nummsgs;
}
gint imap_get_num_list(Folder *folder, FolderItem *_item, GSList **msgnum_list, gboolean *old_uids_valid)
{
IMAPFolderItem *item = (IMAPFolderItem *)_item;
IMAPSession *session;
gint nummsgs;
GSList *uidlist = NULL;
gchar *dir;
gint known_list_len = 0;
gchar *path;
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);
known_list_len = g_slist_length(item->uid_list);
if (!item->should_update) {
debug_print("get_num_list: nothing to update\n");
*old_uids_valid = TRUE;
if (known_list_len == item->item.total_msgs
&& known_list_len > 0) {
*msgnum_list = g_slist_copy(item->uid_list);
return known_list_len;
} else {
debug_print("don't know the list length...\n");
}
}
if (prefs_common.work_offline &&
!inc_offline_should_override(FALSE,
_("Claws Mail needs network access in order "
"to access the IMAP server."))) {
return -1;
}
path = folder_item_get_path(_item);
if (!is_dir_exist(path)) {
if(is_file_exist(path))
claws_unlink(path);
make_dir_hier(path);
}
g_free(path);
debug_print("getting session...\n");
session = imap_session_get(folder);
g_return_val_if_fail(session != NULL, -1);
lock_session(session);
if (FOLDER_ITEM(item)->path)
statusbar_print_all(_("Scanning folder %s/%s..."),
FOLDER_ITEM(item)->folder->name,
FOLDER_ITEM(item)->path);
else
statusbar_print_all(_("Scanning folder %s..."),
FOLDER_ITEM(item)->folder->name);
if (item->should_trash_cache) {
*old_uids_valid = FALSE;
debug_print("get_num_list: trashing num list\n");
debug_print("Freeing imap uid cache\n");
item->lastuid = 0;
g_slist_free(item->uid_list);
item->uid_list = NULL;
imap_delete_all_cached_messages((FolderItem *)item);
} else {
debug_print("get_num_list: updating num list\n");
*old_uids_valid = TRUE;
}
nummsgs = get_list_of_uids(session, folder, item, &uidlist);
unlock_session(session);
/* session could be broken now, in case of fatal error */
debug_print("get_num_list: got %d msgs\n", nummsgs);
if (nummsgs < 0) {
statusbar_pop_all();
return -1;
}
*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);
debug_print("get_num_list - ok - %i\n", nummsgs);
statusbar_pop_all();
item->should_trash_cache = FALSE;
item->should_update = FALSE;
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);
debug_print("getting session...\n");
session = imap_session_get(folder);
g_return_val_if_fail(session != NULL, NULL);
lock_session(session); /* unlocked later in the function */
debug_print("IMAP getting msginfos\n");
ok = imap_select(session, IMAP_FOLDER(folder), item,
NULL, NULL, NULL, NULL, NULL, FALSE);
if (ok != MAILIMAP_NO_ERROR) {
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, &ok));
if (ok != MAILIMAP_NO_ERROR)
return NULL;
unlock_session(session);
} else {
MsgNumberList *sorted_list, *elem, *llast = NULL;
gint startnum, lastnum;
unlock_session(session);
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);
}
}
if (elem == NULL)
break;
startnum = num;
}
lastnum = num;
}
g_slist_free(sorted_list);
}
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;
if (item->should_update) {
debug_print("scan already required\n");
return TRUE;
}
debug_print("getting session...\n");
session = imap_session_get(folder);
g_return_val_if_fail(session != NULL, FALSE);
lock_session(session); /* unlocked later in the function */
selected_folder = (session->mbox != NULL) &&
(!strcmp(session->mbox, item->item.path));
if (selected_folder) {
if (!session->folder_content_changed) {
ok = imap_cmd_noop(session);
if (ok != MAILIMAP_NO_ERROR) {
debug_print("disconnected!\n");
if (!is_fatal(ok))
session = imap_reconnect_if_possible(folder, session);
else
session = imap_session_get(folder);
if (session == NULL)
return FALSE;
}
if (session->folder_content_changed) {
debug_print("CHANGED (self-noop)! scan_required\n");
item->should_update = TRUE;
if (session->uid_validity && session->uid_validity != item->item.mtime) {
item->item.mtime = session->uid_validity;
item->should_trash_cache = TRUE;
}
unlock_session(session);
return TRUE;
}
} else {
debug_print("CHANGED (previous noop)! scan_required\n");
item->should_update = TRUE;
if (session->uid_validity && session->uid_validity != item->item.mtime) {
item->item.mtime = session->uid_validity;
item->should_trash_cache = TRUE;
}
unlock_session(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 != MAILIMAP_NO_ERROR) {
return FALSE;
}
debug_print("exists %d, item->item.total_msgs %d\n"
"\tunseen %d, item->item.unread_msgs %d\n"
"\tuid_next %d, item->uid_next %d\n"
"\tuid_val %d, item->item.mtime %ld\n",
exists, item->item.total_msgs, unseen, item->item.unread_msgs,
uid_next, item->uid_next, uid_val, (long)(item->item.mtime));
if (exists != item->item.total_msgs
|| unseen != item->item.unread_msgs
|| uid_next != item->uid_next
|| uid_val != item->item.mtime) {
debug_print("CHANGED (status)! scan_required\n");
item->last_change = time(NULL);
item->should_update = TRUE;
item->uid_next = uid_next;
if (uid_val != item->item.mtime) {
item->item.mtime = uid_val;
item->should_trash_cache = TRUE;
}
unlock_session(session);
return TRUE;
}
}
unlock_session(session);
item->should_update = FALSE;
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 = MAILIMAP_NO_ERROR;
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);
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_FORWARDED(msginfo->flags) && (newflags & MSG_FORWARDED))
flags_set |= IMAP_FLAG_FORWARDED;
if ( MSG_IS_FORWARDED(msginfo->flags) && !(newflags & MSG_FORWARDED))
flags_unset |= IMAP_FLAG_FORWARDED;
if (!MSG_IS_SPAM(msginfo->flags) && (newflags & MSG_SPAM)) {
flags_set |= IMAP_FLAG_SPAM;
flags_unset |= IMAP_FLAG_HAM;
}
if ( MSG_IS_SPAM(msginfo->flags) && !(newflags & MSG_SPAM)) {
flags_set |= IMAP_FLAG_HAM;
flags_unset |= IMAP_FLAG_SPAM;
}
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;
}
debug_print("getting session...\n");
session = imap_session_get(folder);
if (!session) {
return;
}
if ((ok = imap_select(session, IMAP_FOLDER(folder), msginfo->folder,
NULL, NULL, NULL, NULL, NULL, FALSE)) != MAILIMAP_NO_ERROR) {
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->item = IMAP_FOLDER_ITEM(item);
g_hash_table_insert(IMAP_FOLDER_ITEM(item)->flags_set_table,
GINT_TO_POINTER(flags_set), ht_data);
}
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->item = IMAP_FOLDER_ITEM(item);
g_hash_table_insert(IMAP_FOLDER_ITEM(item)->flags_unset_table,
GINT_TO_POINTER(flags_unset), ht_data);
}
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, IMAP_FOLDER_ITEM(item), &numlist, flags_set, NULL, TRUE);
if (ok != MAILIMAP_NO_ERROR) {
return;
}
}
if (flags_unset) {
ok = imap_set_message_flags(session, IMAP_FOLDER_ITEM(item), &numlist, flags_unset, NULL, FALSE);
if (ok != MAILIMAP_NO_ERROR) {
return;
}
}
}
msginfo->flags.perm_flags = newflags;
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);
debug_print("getting session...\n");
session = imap_session_get(folder);
if (!session) return -1;
ok = imap_select(session, IMAP_FOLDER(folder), item,
NULL, NULL, NULL, NULL, NULL, FALSE);
if (ok != MAILIMAP_NO_ERROR) {
return ok;
}
numlist.next = NULL;
numlist.data = GINT_TO_POINTER(uid);
ok = imap_set_message_flags
(session, IMAP_FOLDER_ITEM(item), &numlist, IMAP_FLAG_DELETED, NULL, TRUE);
if (ok != MAILIMAP_NO_ERROR) {
log_warning(LOG_PROTOCOL, _("can't set deleted flags: %d\n"), uid);
return ok;
}
ok = imap_cmd_expunge(session);
if (ok != MAILIMAP_NO_ERROR) {
log_warning(LOG_PROTOCOL, _("can't expunge\n"));
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);
return MAILIMAP_NO_ERROR;
}
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;
}
static gboolean flag_ok(IMAPFolderItem *item, guint flag)
{
if (item->ok_flags && g_slist_find(item->ok_flags, GUINT_TO_POINTER(flag))) {
debug_print("flag %d is OK\n", flag);
return TRUE;
}
if (item->can_create_flags == ITEM_CAN_CREATE_FLAGS) {
debug_print("creating flags is OK\n");
return TRUE;
}
return FALSE;
}
/*
* 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;
GHashTable *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 *fitem = (FolderItem *) stuff->item;
MsgInfoList *msginfo_list = stuff->msginfo_list;
GHashTable *msgflags = stuff->msgflags;
GSList *elem;
carray * lep_uidtab;
IMAPSession *session;
gint ok;
int r = MAILIMAP_NO_ERROR;
GHashTable *flags_hash = NULL;
GHashTable *tags_hash = NULL;
gboolean full_search = stuff->full_search;
GSList *sorted_list = NULL;
GSList *unseen = NULL, *answered = NULL, *flagged = NULL, *deleted = NULL, *forwarded = NULL, *spam = NULL;
GSList *seq_list, *cur;
gboolean reverse_seen = FALSE;
gboolean selected_folder;
gint exists_cnt, unseen_cnt;
gboolean got_alien_tags = FALSE;
session = imap_session_get(folder);
if (session == NULL) {
stuff->done = TRUE;
return GINT_TO_POINTER(-1);
}
selected_folder = (session->mbox != NULL) &&
(!strcmp(session->mbox, fitem->path));
lock_session(session);
if (!selected_folder) {
ok = imap_select(session, IMAP_FOLDER(folder), fitem,
&exists_cnt, NULL, &unseen_cnt, NULL, NULL, TRUE);
if (ok != MAILIMAP_NO_ERROR) {
stuff->done = TRUE;
return GINT_TO_POINTER(-1);
}
if (unseen_cnt > exists_cnt / 2)
reverse_seen = TRUE;
}
else {
if (fitem->unread_msgs > fitem->total_msgs / 2)
reverse_seen = TRUE;
}
sorted_list = g_slist_sort(g_slist_copy(msginfo_list), compare_msginfo);
if (!full_search) {
seq_list = imap_get_lep_set_from_msglist(IMAP_FOLDER(folder), msginfo_list);
} else {
struct mailimap_set * set;
set = mailimap_set_new_interval(1, 0);
seq_list = g_slist_append(NULL, set);
}
if (folder->account && folder->account->low_bandwidth) {
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, NULL,
NULL, full_search ? NULL:imapset, &lep_uidlist);
}
else {
r = imap_threaded_search(folder,
IMAP_SEARCH_TYPE_UNSEEN, NULL,
NULL, full_search ? NULL:imapset, &lep_uidlist);
}
if (r == MAILIMAP_NO_ERROR) {
GSList * uidlist;
uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
mailimap_search_result_free(lep_uidlist);
unseen = g_slist_concat(unseen, uidlist);
} else {
imap_handle_error(SESSION(session), NULL, r);
goto bail;
}
r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_FLAGGED, NULL,
NULL, full_search ? NULL:imapset, &lep_uidlist);
if (r == MAILIMAP_NO_ERROR) {
GSList * uidlist;
uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
mailimap_search_result_free(lep_uidlist);
flagged = g_slist_concat(flagged, uidlist);
} else {
imap_handle_error(SESSION(session), NULL, r);
goto bail;
}
if (fitem->opened || fitem->processing_pending || fitem == folder->inbox) {
r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_ANSWERED, NULL,
NULL, full_search ? NULL:imapset, &lep_uidlist);
if (r == MAILIMAP_NO_ERROR) {
GSList * uidlist;
uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
mailimap_search_result_free(lep_uidlist);
answered = g_slist_concat(answered, uidlist);
} else {
imap_handle_error(SESSION(session), NULL, r);
goto bail;
}
if (flag_ok(IMAP_FOLDER_ITEM(fitem), IMAP_FLAG_FORWARDED)) {
r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_FORWARDED, NULL,
NULL, full_search ? NULL:imapset, &lep_uidlist);
if (r == MAILIMAP_NO_ERROR) {
GSList * uidlist;
uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
mailimap_search_result_free(lep_uidlist);
forwarded = g_slist_concat(forwarded, uidlist);
} else {
imap_handle_error(SESSION(session), NULL, r);
goto bail;
}
}
if (flag_ok(IMAP_FOLDER_ITEM(fitem), IMAP_FLAG_SPAM)) {
r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_SPAM, NULL,
NULL, full_search ? NULL:imapset, &lep_uidlist);
if (r == MAILIMAP_NO_ERROR) {
GSList * uidlist;
uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
mailimap_search_result_free(lep_uidlist);
spam = g_slist_concat(spam, uidlist);
} else {
imap_handle_error(SESSION(session), NULL, r);
goto bail;
}
}
r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_DELETED, NULL,
NULL, full_search ? NULL:imapset, &lep_uidlist);
if (r == MAILIMAP_NO_ERROR) {
GSList * uidlist;
uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
mailimap_search_result_free(lep_uidlist);
deleted = g_slist_concat(deleted, uidlist);
} else {
imap_handle_error(SESSION(session), NULL, r);
goto bail;
}
}
}
} else {
r = imap_threaded_fetch_uid_flags(folder, 1, &lep_uidtab);
if (r == MAILIMAP_NO_ERROR) {
flags_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL, NULL);
tags_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL, NULL);
imap_flags_hash_from_lep_uid_flags_tab(lep_uidtab, flags_hash, tags_hash);
imap_fetch_uid_flags_list_free(lep_uidtab);
} else {
imap_handle_error(SESSION(session), NULL, r);
goto bail;
}
}
bail:
if (r == MAILIMAP_NO_ERROR)
unlock_session(session);
for (elem = sorted_list; elem != NULL; elem = g_slist_next(elem)) {
MsgInfo *msginfo;
MsgPermFlags flags, oldflags;
gboolean wasnew;
msginfo = (MsgInfo *) elem->data;
flags = msginfo->flags.perm_flags;
wasnew = (flags & MSG_NEW);
oldflags = flags & ~(MSG_NEW|MSG_UNREAD|MSG_REPLIED|MSG_FORWARDED|MSG_MARKED|MSG_DELETED|MSG_SPAM);
if (folder->account && folder->account->low_bandwidth) {
if (fitem->opened || fitem->processing_pending || fitem == folder->inbox) {
flags &= ~((reverse_seen ? 0 : MSG_UNREAD | MSG_NEW) | MSG_REPLIED | MSG_FORWARDED | MSG_MARKED | MSG_SPAM);
} 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(&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(&flagged, msginfo->msgnum) == msginfo->msgnum)
flags |= MSG_MARKED;
else
flags &= ~MSG_MARKED;
if (fitem->opened || fitem->processing_pending || fitem == folder->inbox) {
if (gslist_find_next_num(&answered, msginfo->msgnum) == msginfo->msgnum)
flags |= MSG_REPLIED;
else
flags &= ~MSG_REPLIED;
if (gslist_find_next_num(&forwarded, msginfo->msgnum) == msginfo->msgnum)
flags |= MSG_FORWARDED;
else
flags &= ~MSG_FORWARDED;
if (gslist_find_next_num(&spam, msginfo->msgnum) == msginfo->msgnum)
flags |= MSG_SPAM;
else
flags &= ~MSG_SPAM;
if (gslist_find_next_num(&deleted, msginfo->msgnum) == msginfo->msgnum)
flags |= MSG_DELETED;
else
flags &= ~MSG_DELETED;
}
} else {
if (flags_hash != NULL) {
flags = GPOINTER_TO_INT(g_hash_table_lookup(flags_hash,
GINT_TO_POINTER(msginfo->msgnum)));
}
if ((flags & MSG_UNREAD) == 0)
flags &= ~MSG_NEW;
else if (wasnew)
flags |= MSG_NEW;
flags |= oldflags;
if (tags_hash != NULL) {
GSList *tags = g_hash_table_lookup(tags_hash, GINT_TO_POINTER(msginfo->msgnum));
GSList *cur;
g_slist_free(msginfo->tags);
msginfo->tags = NULL;
for (cur = tags; cur; cur = cur->next) {
gchar *real_tag = imap_modified_utf7_to_utf8(cur->data, TRUE);
gint id = 0;
id = tags_get_id_for_str(real_tag);
if (id == -1) {
id = tags_add_tag(real_tag);
got_alien_tags = TRUE;
}
msginfo->tags = g_slist_append(
msginfo->tags,
GINT_TO_POINTER(id));
g_free(real_tag);
}
slist_free_strings_full(tags);
}
}
g_hash_table_insert(msgflags, msginfo, GINT_TO_POINTER(flags));
}
if (got_alien_tags) {
tags_write_tags();
main_window_reflect_tags_changes(mainwindow_get_mainwindow());
}
if (flags_hash)
g_hash_table_destroy(flags_hash);
if (tags_hash)
g_hash_table_destroy(tags_hash);
imap_lep_set_free(seq_list);
g_slist_free(flagged);
g_slist_free(deleted);
g_slist_free(answered);
g_slist_free(forwarded);
g_slist_free(spam);
g_slist_free(unseen);
g_slist_free(sorted_list);
stuff->done = TRUE;
return GINT_TO_POINTER(0);
}
static gint imap_get_flags(Folder *folder, FolderItem *item,
MsgInfoList *msginfo_list, GHashTable *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(FALSE,
_("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 = MAILIMAP_ERROR_BAD_STATE;
IMAPSession *session = NULL;
debug_print("getting session...\n");
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));
lock_session(session);
if (session) {
ok = imap_select(session, IMAP_FOLDER(item->folder), item,
NULL, NULL, NULL, NULL, NULL, FALSE);
}
if (ok == MAILIMAP_NO_ERROR) {
ok = imap_set_message_flags(session, IMAP_FOLDER_ITEM(item),
data->msglist, flags_value, NULL, flags_set);
} else {
g_warning("can't select mailbox %s", item->path);
}
if (!is_fatal(ok))
unlock_session(session);
g_slist_free(data->msglist);
g_free(data);
return TRUE;
}
static gboolean process_tags(gpointer key, gpointer value, gpointer user_data)
{
gboolean tags_set = GPOINTER_TO_INT(user_data);
TagsData *data = (TagsData *)value;
IMAPFolderItem *_item = data->item;
FolderItem *item = (FolderItem *)_item;
gchar *str = data->str;
gint ok = MAILIMAP_ERROR_BAD_STATE;
IMAPSession *session = NULL;
debug_print("getting session...\n");
session = imap_session_get(item->folder);
data->msglist = g_slist_reverse(data->msglist);
debug_print("IMAP %ssetting tags %s for %d messages\n",
tags_set?"":"un",
str,
g_slist_length(data->msglist));
lock_session(session);
if (session) {
ok = imap_select(session, IMAP_FOLDER(item->folder), item,
NULL, NULL, NULL, NULL, NULL, FALSE);
}
if (ok == MAILIMAP_NO_ERROR) {
GSList list;
list.data = str;
list.next = NULL;
ok = imap_set_message_flags(session, IMAP_FOLDER_ITEM(item),
data->msglist, 0, &list, tags_set);
} else {
g_warning("can't select mailbox %s", item->path);
}
if (!is_fatal(ok))
unlock_session(session);
g_slist_free(data->msglist);
g_free(data->str);
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;
}
if (item->tags_set_table) {
g_hash_table_foreach_remove(item->tags_set_table, process_tags, GINT_TO_POINTER(TRUE));
g_hash_table_destroy(item->tags_set_table);
item->tags_set_table = NULL;
}
if (item->tags_unset_table) {
g_hash_table_foreach_remove(item->tags_unset_table, process_tags, GINT_TO_POINTER(FALSE));
g_hash_table_destroy(item->tags_unset_table);
item->tags_unset_table = NULL;
}
}
static void imap_set_batch (Folder *folder, FolderItem *_item, gboolean batch)
{
IMAPFolderItem *item = (IMAPFolderItem *)_item;
IMAPSession *session;
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);
}
if (!item->tags_set_table) {
item->tags_set_table = g_hash_table_new(NULL, g_direct_equal);
}
if (!item->tags_unset_table) {
item->tags_unset_table = g_hash_table_new(NULL, g_direct_equal);
}
session = imap_session_get(folder);
if (session) {
imap_refresh_sensitivity(session);
session->sens_update_block = TRUE;
}
} else {
debug_print("IMAP switching away from batch mode\n");
/* process stuff */
process_hashtable(item);
item->batching = FALSE;
session = imap_session_get(folder);
if (session) {
session->sens_update_block = FALSE;
imap_refresh_sensitivity(session);
}
}
}
/* 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;
}
}
if (imap_flags->mbf_oflags) {
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;
if (list) {
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 && path_cmp(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, FALSE);
loc_path = imap_modified_utf7_to_utf8(dup_name, FALSE);
new_item = folder_item_new(FOLDER(folder), loc_name, loc_path);
if ((flags & ETPAN_IMAP_MB_NOINFERIORS) != 0)
new_item->no_sub = TRUE;
if (strcasecmp(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(IMAPFolder *folder, MsgNumberList *numlist)
{
GSList *sorted_list, *cur;
guint first, last, next;
GSList *ret_list = NULL, *llast = NULL;
struct mailimap_set * current_set;
unsigned int item_count;
if (numlist == NULL)
return NULL;
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 || item_count >= folder->max_set_size) {
struct mailimap_set_item * item;
item = mailimap_set_item_new(first, last);
mailimap_set_add(current_set, item);
first = next;
if (item_count >= folder->max_set_size) {
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();
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(IMAPFolder *folder, MsgInfoList *msglist)
{
MsgNumberList *numlist = NULL;
GSList *seq_list;
numlist = procmsg_get_number_list_for_msgs(msglist);
seq_list = imap_get_lep_set_from_numlist(folder, numlist);
g_slist_free(numlist);
return seq_list;
}
static GSList * imap_uid_list_from_lep(clist * list, gint* length)
{
clistiter * iter;
GSList * result;
gint len = 0;
result = NULL;
if (list) {
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));
len++;
}
result = g_slist_reverse(result);
}
if (length)
*length = len;
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 void imap_flags_hash_from_lep_uid_flags_tab(carray * list,
GHashTable * hash,
GHashTable * tags_hash)
{
unsigned int i;
for(i = 0 ; i < carray_count(list) ; i += 3) {
uint32_t * puid;
int * pflags;
GSList *tags;
puid = carray_get(list, i);
pflags = carray_get(list, i + 1);
tags = carray_get(list, i + 2);
g_hash_table_insert(hash, GINT_TO_POINTER(*puid), GINT_TO_POINTER(* pflags));
g_hash_table_insert(tags_hash, GINT_TO_POINTER(*puid), tags);
}
}
static MsgInfo *imap_envelope_from_lep(struct imap_fetch_env_info * info,
FolderItem *item)
{
MsgInfo *msginfo = NULL;
guint32 uid = 0;
goffset 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 = (goffset) 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(IMAPFolderItem *item, IMAPFlags flags, GSList *tags)
{
struct mailimap_flag_list * flag_list;
GSList *cur = tags;
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());
if (IMAP_IS_FORWARDED(flags) && flag_ok(item, IMAP_FLAG_FORWARDED))
mailimap_flag_list_add(flag_list,
mailimap_flag_new_flag_keyword(strdup(RTAG_FORWARDED)));
if (IMAP_IS_SPAM(flags) && flag_ok(item, IMAP_FLAG_SPAM))
mailimap_flag_list_add(flag_list,
mailimap_flag_new_flag_keyword(strdup(RTAG_JUNK)));
else if (IMAP_IS_HAM(flags) && flag_ok(item, IMAP_FLAG_HAM))
mailimap_flag_list_add(flag_list,
mailimap_flag_new_flag_keyword(strdup(RTAG_NON_JUNK)));
for (; cur; cur = cur->next) {
gchar *enc_str =
imap_utf8_to_modified_utf7(cur->data, TRUE);
g_strstrip(enc_str);
mailimap_flag_list_add(flag_list,
mailimap_flag_new_flag_keyword(enc_str));
}
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(gboolean have_connectivity)
{
GList *list;
gboolean short_timeout;
#ifdef HAVE_NETWORKMANAGER_SUPPORT
GError *error = NULL;
short_timeout = !networkmanager_is_online(&error);
if(error) {
short_timeout = TRUE;
g_error_free(error);
}
#else
short_timeout = TRUE;
#endif
if(short_timeout)
imap_main_set_timeout(1);
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) {
if (imap_is_busy(FOLDER(folder)))
imap_threaded_cancel(FOLDER(folder));
IMAPSession *session = (IMAPSession *)folder->session;
if (have_connectivity)
imap_threaded_disconnect(FOLDER(folder));
SESSION(session)->state = SESSION_DISCONNECTED;
SESSION(session)->sock = NULL;
imap_safe_destroy(session);
folder->session = NULL;
}
}
}
if(short_timeout)
imap_main_set_timeout(prefs_common.io_timeout_secs);
}
void imap_folder_unref(Folder *folder)
{
if (((IMAPFolder *)folder)->refcnt > 0)
((IMAPFolder *)folder)->refcnt--;
}
void imap_cancel_all(void)
{
GList *folderlist;
GList *cur;
folderlist = folder_get_list();
for (cur = folderlist; cur != NULL; cur = g_list_next(cur)) {
Folder *folder = (Folder *) cur->data;
if (folder->klass == &imap_class) {
if (imap_is_busy(folder)) {
IMAPSession *imap_session;
RemoteFolder *rfolder;
g_printerr("cancelled\n");
imap_threaded_cancel(folder);
rfolder = (RemoteFolder *) folder;
imap_session = (IMAPSession *) rfolder->session;
if (imap_session)
imap_session->cancelled = 1;
}
}
}
}
gboolean imap_cancel_all_enabled(void)
{
GList *folderlist;
GList *cur;
folderlist = folder_get_list();
for (cur = folderlist; cur != NULL; cur = g_list_next(cur)) {
Folder *folder = (Folder *) cur->data;
if (folder->klass == &imap_class) {
if (imap_is_busy(folder)) {
return TRUE;
}
}
}
return FALSE;
}
static gboolean imap_is_busy(Folder *folder)
{
IMAPSession *imap_session;
RemoteFolder *rfolder;
rfolder = (RemoteFolder *) folder;
imap_session = (IMAPSession *) rfolder->session;
if (imap_session == NULL)
return FALSE;
return imap_session->busy;
}
#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 accounts 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 = "IMAP";
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(gboolean have_connectivity)
{
}
gint imap_subscribe(Folder *folder, FolderItem *item, gchar *rpath, gboolean sub)
{
return -1;
}
GList * imap_scan_subtree(Folder *folder, FolderItem *item, gboolean unsubs_only, gboolean recursive)
{
return NULL;
}
void imap_cache_msg(FolderItem *item, gint msgnum)
{
}
void imap_cancel_all(void)
{
}
gboolean imap_cancel_all_enabled(void)
{
return FALSE;
}
#endif
#ifdef HAVE_LIBETPAN
static void imap_synchronise(FolderItem *item, gint days)
{
if (IMAP_FOLDER_ITEM(item)->last_sync == IMAP_FOLDER_ITEM(item)->last_change) {
debug_print("%s already synced\n", item->path?item->path:item->name);
return;
}
debug_print("syncing %s\n", item->path?item->path:item->name);
imap_gtk_synchronise(item, days);
IMAP_FOLDER_ITEM(item)->last_sync = IMAP_FOLDER_ITEM(item)->last_change;
}
#endif
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);
if (!strcmp(attr->name, "last_sync"))
IMAP_FOLDER_ITEM(item)->last_sync = atoi(attr->value);
if (!strcmp(attr->name, "last_change"))
IMAP_FOLDER_ITEM(item)->last_change = atoi(attr->value);
}
if (IMAP_FOLDER_ITEM(item)->last_change == 0)
IMAP_FOLDER_ITEM(item)->last_change = time(NULL);
#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));
xml_tag_add_attr(tag, xml_attr_new_int("last_sync",
IMAP_FOLDER_ITEM(item)->last_sync));
xml_tag_add_attr(tag, xml_attr_new_int("last_change",
IMAP_FOLDER_ITEM(item)->last_change));
#endif
return tag;
}
/* ===================================================================
* UTF-7 conversion routines as in RFC 2192
* ===================================================================
* These two functions from:
* libimap library.
* Copyright (C) 2003-2004 Pawel Salek. */
/* UTF7 modified base64 alphabet */
static char base64chars[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+,";
#define UNDEFINED 64
/* UTF16 definitions */
#define UTF16MASK 0x03FFUL
#define UTF16SHIFT 10
#define UTF16BASE 0x10000UL
#define UTF16HIGHSTART 0xD800UL
#define UTF16HIGHEND 0xDBFFUL
#define UTF16LOSTART 0xDC00UL
#define UTF16LOEND 0xDFFFUL
/* Convert an IMAP mailbox to a UTF-8 string.
* dst needs to have roughly 4 times the storage space of src
* Hex encoding can triple the size of the input
* UTF-7 can be slightly denser than UTF-8
* (worst case: 8 octets UTF-7 becomes 9 octets UTF-8)
*/
char* imap_modified_utf7_to_utf8(const char *mbox, gboolean change_spaces)
{
unsigned c, i, bitcount;
unsigned long ucs4, utf16, bitbuf;
unsigned char base64[256];
const char *src;
char *dst, *res = g_malloc(2*strlen(mbox)+1);
dst = res;
src = mbox;
if(!dst) return NULL;
/* initialize modified base64 decoding table */
memset(base64, UNDEFINED, sizeof (base64));
for (i = 0; i < sizeof (base64chars); ++i) {
base64[(unsigned)base64chars[i]] = i;
}
/* loop until end of string */
while (*src != '\0') {
c = *src++;
/* deal with literal characters and &- */
if (c != '&' || *src == '-') {
/* encode literally */
if (change_spaces && c == '_')
*dst++ = ' ';
else
*dst++ = c;
/* skip over the '-' if this is an &- sequence */
if (c == '&') ++src;
} else {
/* convert modified UTF-7 -> UTF-16 -> UCS-4 -> UTF-8 -> HEX */
bitbuf = 0;
bitcount = 0;
ucs4 = 0;
while ((c = base64[(unsigned char) *src]) != UNDEFINED) {
++src;
bitbuf = (bitbuf << 6) | c;
bitcount += 6;
/* enough bits for a UTF-16 character? */
if (bitcount >= 16) {
bitcount -= 16;
utf16 = (bitcount ? bitbuf >> bitcount
: bitbuf) & 0xffff;
/* convert UTF16 to UCS4 */
if
(utf16 >= UTF16HIGHSTART && utf16 <= UTF16HIGHEND) {
ucs4 = (utf16 - UTF16HIGHSTART) << UTF16SHIFT;
continue;
} else if
(utf16 >= UTF16LOSTART && utf16 <= UTF16LOEND) {
ucs4 += utf16 - UTF16LOSTART + UTF16BASE;
} else {
ucs4 = utf16;
}
/* convert UTF-16 range of UCS4 to UTF-8 */
if (ucs4 <= 0x7fUL) {
dst[0] = ucs4;
dst += 1;
} else if (ucs4 <= 0x7ffUL) {
dst[0] = 0xc0 | (ucs4 >> 6);
dst[1] = 0x80 | (ucs4 & 0x3f);
dst += 2;
} else if (ucs4 <= 0xffffUL) {
dst[0] = 0xe0 | (ucs4 >> 12);
dst[1] = 0x80 | ((ucs4 >> 6) & 0x3f);
dst[2] = 0x80 | (ucs4 & 0x3f);
dst += 3;
} else {
dst[0] = 0xf0 | (ucs4 >> 18);
dst[1] = 0x80 | ((ucs4 >> 12) & 0x3f);
dst[2] = 0x80 | ((ucs4 >> 6) & 0x3f);
dst[3] = 0x80 | (ucs4 & 0x3f);
dst += 4;
}
}
}
/* skip over trailing '-' in modified UTF-7 encoding */
if (*src == '-') ++src;
}
}
/* terminate destination string */
*dst = '\0';
return res;
}
/* Convert hex coded UTF-8 string to modified UTF-7 IMAP mailbox
* dst should be about twice the length of src to deal with non-hex
* coded URLs
*/
char* imap_utf8_to_modified_utf7(const char *src, gboolean change_spaces)
{
unsigned int utf8pos, utf8total, c, utf7mode, bitstogo, utf16flag;
unsigned long ucs4 = 0, bitbuf = 0;
/* initialize hex lookup table */
char *dst, *res;
if (!src) return NULL;
res = malloc(2*strlen(src)+1);
dst = res;
if(!dst) return NULL;
utf7mode = 0;
utf8total = 0;
bitstogo = 0;
utf8pos = 0;
while ((c = (unsigned char)*src) != '\0') {
++src;
/* normal character? */
if (c >= ' ' && c <= '~' && (c != '_' || !change_spaces)) {
/* switch out of UTF-7 mode */
if (utf7mode) {
if (bitstogo) {
*dst++ = base64chars[(bitbuf << (6 - bitstogo)) & 0x3F];
}
*dst++ = '-';
utf7mode = 0;
utf8pos = 0;
bitstogo = 0;
utf8total= 0;
}
if (change_spaces && c == ' ')
*dst++ = '_';
else
*dst++ = c;
/* encode '&' as '&-' */
if (c == '&') {
*dst++ = '-';
}
continue;
}
/* switch to UTF-7 mode */
if (!utf7mode) {
*dst++ = '&';
utf7mode = 1;
}
/* Encode US-ASCII characters as themselves */
if (c < 0x80) {
ucs4 = c;
} else if (utf8total) {
/* save UTF8 bits into UCS4 */
ucs4 = (ucs4 << 6) | (c & 0x3FUL);
if (++utf8pos < utf8total) {
continue;
}
} else {
utf8pos = 1;
if (c < 0xE0) {
utf8total = 2;
ucs4 = c & 0x1F;
} else if (c < 0xF0) {
utf8total = 3;
ucs4 = c & 0x0F;
} else {
/* NOTE: can't convert UTF8 sequences longer than 4 */
utf8total = 4;
ucs4 = c & 0x03;
}
continue;
}
/* loop to split ucs4 into two utf16 chars if necessary */
utf8total = 0;
do {
if (ucs4 >= UTF16BASE) {
ucs4 -= UTF16BASE;
bitbuf = (bitbuf << 16) | ((ucs4 >> UTF16SHIFT)
+ UTF16HIGHSTART);
ucs4 = (ucs4 & UTF16MASK) + UTF16LOSTART;
utf16flag = 1;
} else {
bitbuf = (bitbuf << 16) | ucs4;
utf16flag = 0;
}
bitstogo += 16;
/* spew out base64 */
while (bitstogo >= 6) {
bitstogo -= 6;
*dst++ = base64chars[(bitstogo ? (bitbuf >> bitstogo)
: bitbuf)
& 0x3F];
}
} while (utf16flag);
}
/* if in UTF-7 mode, finish in ASCII */
if (utf7mode) {
if (bitstogo) {
*dst++ = base64chars[(bitbuf << (6 - bitstogo)) & 0x3F];
}
*dst++ = '-';
}
/* tie off string */
*dst = '\0';
return res;
}
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