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claws-mail/src/imap.c
Christoph Hohmann f7142f74c5 0.9.4claws33 
* src/folder.[ch]
* src/imap.c
* src/mbox_folder.c
* src/mh.c
* src/news.c
        optimize folder system

* src/gtk/gtkstext.c
        fix division by zero when font has 0 width for ' '
2003-08-21 20:08:27 +00:00

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/*
* Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
* Copyright (C) 1999-2003 Hiroyuki Yamamoto
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "defs.h"
#include <glib.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <dirent.h>
#include <unistd.h>
#include <ctype.h>
#include <time.h>
#if HAVE_ICONV
# include <iconv.h>
#endif
#if USE_OPENSSL
# include "ssl.h"
#endif
#include "folder.h"
#include "session.h"
#include "procmsg.h"
#include "intl.h"
#include "imap.h"
#include "socket.h"
#include "ssl.h"
#include "recv.h"
#include "procheader.h"
#include "prefs_account.h"
#include "codeconv.h"
#include "md5.h"
#include "base64.h"
#include "utils.h"
#include "inputdialog.h"
#include "log.h"
typedef struct _IMAPFolder IMAPFolder;
typedef struct _IMAPSession IMAPSession;
typedef struct _IMAPNameSpace IMAPNameSpace;
typedef struct _IMAPFolderItem IMAPFolderItem;
#include "prefs_account.h"
#define IMAP_FOLDER(obj) ((IMAPFolder *)obj)
#define IMAP_SESSION(obj) ((IMAPSession *)obj)
struct _IMAPFolder
{
RemoteFolder rfolder;
/* list of IMAPNameSpace */
GList *ns_personal;
GList *ns_others;
GList *ns_shared;
};
struct _IMAPSession
{
Session session;
gboolean authenticated;
gchar **capability;
gboolean uidplus;
gchar *mbox;
guint cmd_count;
/* CLAWS */
time_t last_access_time;
gboolean folder_content_changed;
guint exists;
};
struct _IMAPNameSpace
{
gchar *name;
gchar separator;
};
#define IMAP_SUCCESS 0
#define IMAP_SOCKET 2
#define IMAP_AUTHFAIL 3
#define IMAP_PROTOCOL 4
#define IMAP_SYNTAX 5
#define IMAP_IOERR 6
#define IMAP_ERROR 7
#define IMAPBUFSIZE 8192
typedef enum
{
IMAP_FLAG_SEEN = 1 << 0,
IMAP_FLAG_ANSWERED = 1 << 1,
IMAP_FLAG_FLAGGED = 1 << 2,
IMAP_FLAG_DELETED = 1 << 3,
IMAP_FLAG_DRAFT = 1 << 4
} IMAPFlags;
#define IMAP_IS_SEEN(flags) ((flags & IMAP_FLAG_SEEN) != 0)
#define IMAP_IS_ANSWERED(flags) ((flags & IMAP_FLAG_ANSWERED) != 0)
#define IMAP_IS_FLAGGED(flags) ((flags & IMAP_FLAG_FLAGGED) != 0)
#define IMAP_IS_DELETED(flags) ((flags & IMAP_FLAG_DELETED) != 0)
#define IMAP_IS_DRAFT(flags) ((flags & IMAP_FLAG_DRAFT) != 0)
#define IMAP4_PORT 143
#if USE_OPENSSL
#define IMAPS_PORT 993
#endif
#define IMAP_CMD_LIMIT 1000
#define QUOTE_IF_REQUIRED(out, str) \
{ \
if (*str != '"' && strpbrk(str, " \t(){}%*") != NULL) { \
gchar *__tmp; \
gint len; \
\
len = strlen(str) + 3; \
Xalloca(__tmp, len, return IMAP_ERROR); \
g_snprintf(__tmp, len, "\"%s\"", str); \
out = __tmp; \
} else { \
Xstrdup_a(out, str, return IMAP_ERROR); \
} \
}
typedef gchar * IMAPSet;
struct _IMAPFolderItem
{
FolderItem item;
guint lastuid;
guint uid_next;
GSList *uid_list;
};
static Folder *imap_folder_new(const gchar * name, const gchar * path);
static void imap_folder_destroy(Folder * folder);
static IMAPSession *imap_session_new(const PrefsAccount * account);
static void imap_session_authenticate(IMAPSession * session,
const PrefsAccount * account);
static void imap_session_destroy(Session * session);
static gchar *imap_fetch_msg(Folder * folder, FolderItem * item, gint uid);
static gint imap_add_msg(Folder * folder,
FolderItem * dest,
const gchar * file, MsgFlags * flags);
static gint imap_add_msgs(Folder * folder, FolderItem * dest,
GSList * file_list,
GRelation *relation);
static gint imap_copy_msg(Folder * folder,
FolderItem * dest, MsgInfo * msginfo);
static gint imap_copy_msgs(Folder *folder, FolderItem *dest,
MsgInfoList *msglist, GRelation *relation);
static gint imap_remove_msg(Folder * folder, FolderItem * item, gint uid);
static gint imap_remove_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 void 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 void imap_folder_init (Folder *folder,
const gchar *name,
const gchar *path);
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_greeting (IMAPSession *session);
static gint imap_auth (IMAPSession *session,
const gchar *user,
const gchar *pass,
IMAPAuthType type);
static gint imap_scan_tree_recursive (IMAPSession *session,
FolderItem *item);
static GSList *imap_parse_list (IMAPFolder *folder,
IMAPSession *session,
const gchar *real_path,
gchar *separator);
static void imap_create_missing_folders (Folder *folder);
static FolderItem *imap_create_special_folder
(Folder *folder,
SpecialFolderItemType stype,
const gchar *name);
static gint imap_do_copy_msgs (Folder *folder,
FolderItem *dest,
MsgInfoList *msglist,
GRelation *relation);
static void imap_delete_all_cached_messages (FolderItem *item);
#if USE_OPENSSL
static SockInfo *imap_open (const gchar *server,
gushort port,
SSLType ssl_type);
#else
static SockInfo *imap_open (const gchar *server,
gushort port);
#endif
#if USE_OPENSSL
static SockInfo *imap_open_tunnel(const gchar *server,
const gchar *tunnelcmd,
SSLType ssl_type);
#else
static SockInfo *imap_open_tunnel(const gchar *server,
const gchar *tunnelcmd);
#endif
#if USE_OPENSSL
static SockInfo *imap_init_sock(SockInfo *sock, SSLType ssl_type);
#else
static SockInfo *imap_init_sock(SockInfo *sock);
#endif
static gchar *imap_get_flag_str (IMAPFlags flags);
static gint imap_set_message_flags (IMAPSession *session,
MsgNumberList *numlist,
IMAPFlags flags,
gboolean is_set);
static gint imap_select (IMAPSession *session,
IMAPFolder *folder,
const gchar *path,
gint *exists,
gint *recent,
gint *unseen,
guint32 *uid_validity);
static gint imap_status (IMAPSession *session,
IMAPFolder *folder,
const gchar *path,
gint *messages,
gint *recent,
guint32 *uid_next,
guint32 *uid_validity,
gint *unseen);
static void imap_parse_namespace (IMAPSession *session,
IMAPFolder *folder);
static void imap_get_namespace_by_list (IMAPSession *session,
IMAPFolder *folder);
static IMAPNameSpace *imap_find_namespace (IMAPFolder *folder,
const gchar *path);
static gchar imap_get_path_separator (IMAPFolder *folder,
const gchar *path);
static gchar *imap_get_real_path (IMAPFolder *folder,
const gchar *path);
static gchar *imap_parse_atom (SockInfo *sock,
gchar *src,
gchar *dest,
gint dest_len,
GString *str);
static MsgFlags imap_parse_flags (const gchar *flag_str);
static MsgInfo *imap_parse_envelope (SockInfo *sock,
FolderItem *item,
GString *line_str);
static gboolean imap_has_capability (IMAPSession *session,
const gchar *cap);
static void imap_free_capabilities (IMAPSession *session);
/* low-level IMAP4rev1 commands */
static gint imap_cmd_authenticate
(IMAPSession *session,
const gchar *user,
const gchar *pass,
IMAPAuthType type);
static gint imap_cmd_login (IMAPSession *sock,
const gchar *user,
const gchar *pass);
static gint imap_cmd_logout (IMAPSession *sock);
static gint imap_cmd_noop (IMAPSession *sock);
static gint imap_cmd_starttls (IMAPSession *sock);
static gint imap_cmd_namespace (IMAPSession *sock,
gchar **ns_str);
static gint imap_cmd_list (IMAPSession *session,
const gchar *ref,
const gchar *mailbox,
GPtrArray *argbuf);
static gint imap_cmd_do_select (IMAPSession *sock,
const gchar *folder,
gboolean examine,
gint *exists,
gint *recent,
gint *unseen,
guint32 *uid_validity);
static gint imap_cmd_select (IMAPSession *sock,
const gchar *folder,
gint *exists,
gint *recent,
gint *unseen,
guint32 *uid_validity);
static gint imap_cmd_examine (IMAPSession *sock,
const gchar *folder,
gint *exists,
gint *recent,
gint *unseen,
guint32 *uid_validity);
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 *sock,
const gchar *folder);
static gint imap_cmd_envelope (IMAPSession *sock,
IMAPSet set);
static gint imap_cmd_fetch (IMAPSession *sock,
guint32 uid,
const gchar *filename);
static gint imap_cmd_append (IMAPSession *session,
const gchar *destfolder,
const gchar *file,
IMAPFlags flags,
guint32 *new_uid);
static gint imap_cmd_copy (IMAPSession *session,
const gchar *seq_set,
const gchar *destfolder,
GRelation *uid_mapping);
static gint imap_cmd_store (IMAPSession *sock,
IMAPSet set,
gchar *sub_cmd);
static gint imap_cmd_expunge (IMAPSession *sock);
static gint imap_cmd_close (IMAPSession *session);
static gint imap_cmd_ok (IMAPSession *session,
GPtrArray *argbuf);
static void imap_gen_send (IMAPSession *sock,
const gchar *format, ...);
static gint imap_gen_recv (IMAPSession *sock,
gchar **ret);
/* misc utility functions */
static gchar *strchr_cpy (const gchar *src,
gchar ch,
gchar *dest,
gint len);
static gchar *get_quoted (const gchar *src,
gchar ch,
gchar *dest,
gint len);
static gchar *search_array_contain_str (GPtrArray *array,
const gchar *str);
static gchar *search_array_str (GPtrArray *array,
const gchar *str);
static void imap_path_separator_subst (gchar *str,
gchar separator);
static gchar *imap_modified_utf7_to_locale (const gchar *mutf7_str);
static gchar *imap_locale_to_modified_utf7 (const gchar *from);
static GSList *imap_get_seq_set_from_numlist (MsgNumberList *msglist);
static GSList *imap_get_seq_set_from_msglist (MsgInfoList *msglist);
static void imap_seq_set_free (GSList *seq_list);
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 gchar *imap_folder_get_path (Folder *folder);
static gchar *imap_item_get_path (Folder *folder,
FolderItem *item);
FolderClass imap_class =
{
F_IMAP,
"imap",
"IMAP4",
/* Folder functions */
imap_folder_new,
imap_folder_destroy,
imap_scan_tree,
imap_create_tree,
/* FolderItem functions */
imap_folder_item_new,
imap_folder_item_destroy,
imap_item_get_path,
imap_create_folder,
imap_rename_folder,
imap_remove_folder,
imap_close,
imap_get_num_list,
NULL,
NULL,
NULL,
imap_scan_required,
/* Message functions */
imap_get_msginfo,
imap_get_msginfos,
imap_fetch_msg,
imap_add_msg,
imap_add_msgs,
imap_copy_msg,
imap_copy_msgs,
imap_remove_msg,
imap_remove_all_msg,
imap_is_msg_changed,
imap_change_flags,
};
FolderClass *imap_get_class(void)
{
return &imap_class;
}
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;
}
void imap_folder_destroy(Folder *folder)
{
gchar *dir;
dir = imap_folder_get_path(folder);
if (is_dir_exist(dir))
remove_dir_recursive(dir);
g_free(dir);
folder_remote_folder_destroy(REMOTE_FOLDER(folder));
}
static void imap_folder_init(Folder *folder, const gchar *name,
const gchar *path)
{
folder_remote_folder_init((Folder *)folder, name, path);
}
static FolderItem *imap_folder_item_new(Folder *folder)
{
IMAPFolderItem *item;
item = g_new0(IMAPFolderItem, 1);
item->lastuid = 0;
item->uid_next = 0;
item->uid_list = NULL;
return (FolderItem *)item;
}
static void imap_folder_item_destroy(Folder *folder, FolderItem *_item)
{
IMAPFolderItem *item = (IMAPFolderItem *)_item;
g_return_if_fail(item != NULL);
g_slist_free(item->uid_list);
g_free(_item);
}
static gboolean imap_reset_uid_lists_func(GNode *node, gpointer data)
{
IMAPFolderItem *item = (IMAPFolderItem *)node->data;
item->lastuid = 0;
item->uid_next = 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);
}
/* Send CAPABILITY, and examine the server's response to see whether this
* connection is pre-authenticated or not and build a list of CAPABILITIES. */
static gint imap_greeting(IMAPSession *session)
{
gchar *capstr;
GPtrArray *argbuf;
imap_gen_send(session, "CAPABILITY");
argbuf = g_ptr_array_new();
if (imap_cmd_ok(session, argbuf) != IMAP_SUCCESS ||
((capstr = search_array_str(argbuf, "CAPABILITY ")) == NULL)) {
ptr_array_free_strings(argbuf);
g_ptr_array_free(argbuf, TRUE);
return -1;
}
session->authenticated = search_array_str(argbuf, "PREAUTH") != NULL;
capstr += strlen("CAPABILITY ");
IMAP_SESSION(session)->capability = g_strsplit(capstr, " ", 0);
ptr_array_free_strings(argbuf);
g_ptr_array_free(argbuf, TRUE);
if (imap_has_capability(session, "UIDPLUS"))
session->uidplus = TRUE;
return 0;
}
static gint imap_auth(IMAPSession *session, const gchar *user, const gchar *pass,
IMAPAuthType type)
{
gint ok;
if (type == 0 || type == IMAP_AUTH_LOGIN)
ok = imap_cmd_login(session, user, pass);
else
ok = imap_cmd_authenticate(session, user, pass, type);
if (ok == IMAP_SUCCESS)
session->authenticated = TRUE;
return ok;
}
static IMAPSession *imap_session_get(Folder *folder)
{
RemoteFolder *rfolder = REMOTE_FOLDER(folder);
IMAPSession *session = NULL;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(FOLDER_CLASS(folder) == &imap_class, NULL);
g_return_val_if_fail(folder->account != NULL, NULL);
/* Make sure we have a session */
if (rfolder->session != NULL) {
session = IMAP_SESSION(rfolder->session);
} else {
imap_reset_uid_lists(folder);
session = imap_session_new(folder->account);
}
if(session == NULL)
return NULL;
if (SESSION(session)->sock->state == CONN_DISCONNECTED) {
debug_print("IMAP server disconnected\n");
session_destroy(SESSION(session));
imap_reset_uid_lists(folder);
session = imap_session_new(folder->account);
}
/* Make sure session is authenticated */
if (!IMAP_SESSION(session)->authenticated)
imap_session_authenticate(IMAP_SESSION(session), folder->account);
if (!IMAP_SESSION(session)->authenticated) {
session_destroy(SESSION(session));
rfolder->session = NULL;
return NULL;
}
/* Make sure we have parsed the IMAP namespace */
imap_parse_namespace(IMAP_SESSION(session),
IMAP_FOLDER(folder));
/* 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->last_access_time > SESSION_TIMEOUT) {
/* verify that the session is still alive */
if (imap_cmd_noop(session) != IMAP_SUCCESS) {
/* Check if this is the first try to establish a
connection, if yes we don't try to reconnect */
if (rfolder->session == NULL) {
log_warning(_("Connecting %s failed"),
folder->account->recv_server);
session_destroy(SESSION(session));
session = NULL;
} else {
log_warning(_("IMAP4 connection to %s has been"
" disconnected. Reconnecting...\n"),
folder->account->recv_server);
session_destroy(SESSION(session));
/* Clear folders session to make imap_session_get create
a new session, because of rfolder->session == NULL
it will not try to reconnect again and so avoid an
endless loop */
rfolder->session = NULL;
session = imap_session_get(folder);
}
}
}
rfolder->session = SESSION(session);
if (session) {
session->last_access_time = time(NULL);
}
return IMAP_SESSION(session);
}
IMAPSession *imap_session_new(const PrefsAccount *account)
{
IMAPSession *session;
SockInfo *imap_sock;
gushort port;
#ifdef USE_OPENSSL
/* FIXME: IMAP over SSL only... */
SSLType ssl_type;
port = account->set_imapport ? account->imapport
: account->ssl_imap == SSL_TUNNEL ? IMAPS_PORT : IMAP4_PORT;
ssl_type = account->ssl_imap;
#else
port = account->set_imapport ? account->imapport
: IMAP4_PORT;
#endif
if (account->set_tunnelcmd) {
log_message(_("creating tunneled IMAP4 connection\n"));
#if USE_OPENSSL
if ((imap_sock = imap_open_tunnel(account->recv_server,
account->tunnelcmd,
ssl_type)) == NULL)
#else
if ((imap_sock = imap_open_tunnel(account->recv_server,
account->tunnelcmd)) == NULL)
#endif
return NULL;
} else {
g_return_val_if_fail(account->recv_server != NULL, NULL);
log_message(_("creating IMAP4 connection to %s:%d ...\n"),
account->recv_server, port);
#if USE_OPENSSL
if ((imap_sock = imap_open(account->recv_server, port,
ssl_type)) == NULL)
#else
if ((imap_sock = imap_open(account->recv_server, port)) == NULL)
#endif
return NULL;
}
session = g_new0(IMAPSession, 1);
session_init(SESSION(session));
SESSION(session)->type = SESSION_IMAP;
SESSION(session)->server = g_strdup(account->recv_server);
SESSION(session)->sock = imap_sock;
SESSION(session)->destroy = imap_session_destroy;
session->capability = NULL;
session->authenticated = FALSE;
session->mbox = NULL;
session->cmd_count = 0;
/* Only need to log in if the connection was not PREAUTH */
if (imap_greeting(session) != IMAP_SUCCESS) {
session_destroy(SESSION(session));
return NULL;
}
#if USE_OPENSSL
if (account->ssl_imap == SSL_STARTTLS &&
imap_has_capability(session, "STARTTLS")) {
gint ok;
ok = imap_cmd_starttls(session);
if (ok != IMAP_SUCCESS) {
log_warning(_("Can't start TLS session.\n"));
session_destroy(SESSION(session));
return NULL;
}
if (!ssl_init_socket_with_method(SESSION(session)->sock, SSL_METHOD_TLSv1)) {
session_destroy(SESSION(session));
return NULL;
}
imap_free_capabilities(session);
session->authenticated = FALSE;
session->uidplus = FALSE;
session->cmd_count = 1;
if (imap_greeting(session) != IMAP_SUCCESS) {
session_destroy(SESSION(session));
return NULL;
}
}
#endif
log_message("IMAP connection is %s-authenticated\n",
(session->authenticated) ? "pre" : "un");
return session;
}
void imap_session_authenticate(IMAPSession *session, const PrefsAccount *account)
{
gchar *pass;
g_return_if_fail(account->userid != NULL);
pass = account->passwd;
if (!pass) {
gchar *tmp_pass;
tmp_pass = input_dialog_query_password(account->recv_server, account->userid);
if (!tmp_pass)
return;
Xstrdup_a(pass, tmp_pass, {g_free(tmp_pass); return;});
g_free(tmp_pass);
}
if (imap_auth(session, account->userid, pass, account->imap_auth_type) != IMAP_SUCCESS) {
imap_cmd_logout(session);
return;
}
session->authenticated = TRUE;
}
void imap_session_destroy(Session *session)
{
imap_free_capabilities(IMAP_SESSION(session));
g_free(IMAP_SESSION(session)->mbox);
sock_close(session->sock);
session->sock = NULL;
}
gchar *imap_fetch_msg(Folder *folder, FolderItem *item, gint uid)
{
gchar *path, *filename;
IMAPSession *session;
gint ok;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(item != NULL, NULL);
path = folder_item_get_path(item);
if (!is_dir_exist(path))
make_dir_hier(path);
filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(uid), NULL);
g_free(path);
if (is_file_exist(filename)) {
debug_print("message %d has been already cached.\n", uid);
return filename;
}
session = imap_session_get(folder);
if (!session) {
g_free(filename);
return NULL;
}
ok = imap_select(session, IMAP_FOLDER(folder), item->path,
NULL, NULL, NULL, NULL);
if (ok != IMAP_SUCCESS) {
g_warning("can't select mailbox %s\n", item->path);
g_free(filename);
return NULL;
}
debug_print("getting message %d...\n", uid);
ok = imap_cmd_fetch(session, (guint32)uid, filename);
if (ok != IMAP_SUCCESS) {
g_warning("can't fetch message %d\n", uid);
g_free(filename);
return NULL;
}
return filename;
}
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;
}
gint imap_add_msgs(Folder *folder, FolderItem *dest, GSList *file_list,
GRelation *relation)
{
gchar *destdir;
IMAPSession *session;
guint32 last_uid = 0;
GSList *cur;
MsgFileInfo *fileinfo;
gint ok;
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(dest != NULL, -1);
g_return_val_if_fail(file_list != NULL, -1);
session = imap_session_get(folder);
if (!session) return -1;
destdir = imap_get_real_path(IMAP_FOLDER(folder), dest->path);
for (cur = file_list; cur != NULL; cur = cur->next) {
IMAPFlags iflags = 0;
guint32 new_uid = 0;
fileinfo = (MsgFileInfo *)cur->data;
if (fileinfo->flags) {
if (MSG_IS_MARKED(*fileinfo->flags))
iflags |= IMAP_FLAG_FLAGGED;
if (MSG_IS_REPLIED(*fileinfo->flags))
iflags |= IMAP_FLAG_ANSWERED;
if (!MSG_IS_UNREAD(*fileinfo->flags))
iflags |= IMAP_FLAG_SEEN;
}
if (dest->stype == F_OUTBOX ||
dest->stype == F_QUEUE ||
dest->stype == F_DRAFT ||
dest->stype == F_TRASH)
iflags |= IMAP_FLAG_SEEN;
ok = imap_cmd_append(session, destdir, fileinfo->file, iflags,
&new_uid);
if (ok != IMAP_SUCCESS) {
g_warning("can't append message %s\n", fileinfo->file);
g_free(destdir);
return -1;
}
if (relation != NULL)
g_relation_insert(relation, fileinfo->msginfo != NULL ?
(gpointer) fileinfo->msginfo : (gpointer) fileinfo,
GINT_TO_POINTER(dest->last_num + 1));
if (last_uid < new_uid)
last_uid = new_uid;
}
g_free(destdir);
return last_uid;
}
static gint imap_do_copy_msgs(Folder *folder, FolderItem *dest,
MsgInfoList *msglist, GRelation *relation)
{
FolderItem *src;
gchar *destdir;
GSList *seq_list, *cur;
MsgInfo *msginfo;
IMAPSession *session;
gint ok = IMAP_SUCCESS;
GRelation *uid_mapping;
gint last_num = 0;
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(dest != NULL, -1);
g_return_val_if_fail(msglist != NULL, -1);
session = imap_session_get(folder);
if (!session) return -1;
msginfo = (MsgInfo *)msglist->data;
src = msginfo->folder;
if (src == dest) {
g_warning("the src folder is identical to the dest.\n");
return -1;
}
ok = imap_select(session, IMAP_FOLDER(folder), msginfo->folder->path,
NULL, NULL, NULL, NULL);
if (ok != IMAP_SUCCESS)
return ok;
destdir = imap_get_real_path(IMAP_FOLDER(folder), dest->path);
seq_list = imap_get_seq_set_from_msglist(msglist);
uid_mapping = g_relation_new(2);
g_relation_index(uid_mapping, 0, g_direct_hash, g_direct_equal);
for (cur = seq_list; cur != NULL; cur = g_slist_next(cur)) {
gchar *seq_set = (gchar *)cur->data;
debug_print("Copying message %s%c[%s] to %s ...\n",
src->path, G_DIR_SEPARATOR,
seq_set, destdir);
ok = imap_cmd_copy(session, seq_set, destdir, uid_mapping);
if (ok != IMAP_SUCCESS) {
g_relation_destroy(uid_mapping);
imap_seq_set_free(seq_list);
return -1;
}
}
for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
MsgInfo *msginfo = (MsgInfo *)cur->data;
GTuples *tuples;
tuples = g_relation_select(uid_mapping,
GINT_TO_POINTER(msginfo->msgnum),
0);
if (tuples->len > 0) {
gint num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
g_relation_insert(relation, msginfo,
GPOINTER_TO_INT(num));
if (num > last_num)
last_num = num;
} else
g_relation_insert(relation, msginfo,
GPOINTER_TO_INT(0));
g_tuples_destroy(tuples);
}
imap_seq_set_free(seq_list);
g_free(destdir);
if (ok == IMAP_SUCCESS)
return last_num;
else
return -1;
}
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);
}
gint imap_copy_msgs(Folder *folder, FolderItem *dest,
MsgInfoList *msglist, GRelation *relation)
{
MsgInfo *msginfo;
GSList *file_list;
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);
if (folder == msginfo->folder->folder)
return imap_do_copy_msgs(folder, dest, msglist, relation);
file_list = procmsg_get_message_file_list(msglist);
g_return_val_if_fail(file_list != NULL, -1);
ret = imap_add_msgs(folder, dest, file_list, relation);
procmsg_message_file_list_free(file_list);
return ret;
}
gint imap_remove_msg(Folder *folder, FolderItem *item, gint uid)
{
gint ok;
IMAPSession *session;
gchar *dir;
MsgNumberList numlist;
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(FOLDER_CLASS(folder) == &imap_class, -1);
g_return_val_if_fail(item != NULL, -1);
session = imap_session_get(folder);
if (!session) return -1;
ok = imap_select(session, IMAP_FOLDER(folder), item->path,
NULL, NULL, NULL, NULL);
if (ok != IMAP_SUCCESS)
return ok;
numlist.next = NULL;
numlist.data = GINT_TO_POINTER(uid);
ok = imap_set_message_flags
(IMAP_SESSION(REMOTE_FOLDER(folder)->session),
&numlist, IMAP_FLAG_DELETED, TRUE);
if (ok != IMAP_SUCCESS) {
log_warning(_("can't set deleted flags: %d\n"), uid);
return ok;
}
ok = imap_cmd_expunge(session);
if (ok != IMAP_SUCCESS) {
log_warning(_("can't expunge\n"));
return ok;
}
dir = folder_item_get_path(item);
if (is_dir_exist(dir))
remove_numbered_files(dir, uid, uid);
g_free(dir);
return IMAP_SUCCESS;
}
gint imap_remove_all_msg(Folder *folder, FolderItem *item)
{
gint ok;
IMAPSession *session;
gchar *dir;
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(item != NULL, -1);
session = imap_session_get(folder);
if (!session) return -1;
ok = imap_select(session, IMAP_FOLDER(folder), item->path,
NULL, NULL, NULL, NULL);
if (ok != IMAP_SUCCESS)
return ok;
imap_gen_send(session, "STORE 1:* +FLAGS.SILENT (\\Deleted)");
ok = imap_cmd_ok(session, NULL);
if (ok != IMAP_SUCCESS) {
log_warning(_("can't set deleted flags: 1:*\n"));
return ok;
}
ok = imap_cmd_expunge(session);
if (ok != IMAP_SUCCESS) {
log_warning(_("can't expunge\n"));
return ok;
}
dir = folder_item_get_path(item);
if (is_dir_exist(dir))
remove_all_numbered_files(dir);
g_free(dir);
return IMAP_SUCCESS;
}
gboolean imap_is_msg_changed(Folder *folder, FolderItem *item, MsgInfo *msginfo)
{
/* TODO: properly implement this method */
return FALSE;
}
gint imap_close(Folder *folder, FolderItem *item)
{
gint ok;
IMAPSession *session;
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(item != NULL, -1);
g_return_val_if_fail(item->path != NULL, -1);
session = imap_session_get(folder);
if (!session) return -1;
if (session->mbox) {
if (strcmp(item->path, session->mbox))
return -1;
ok = imap_cmd_close(session);
if (ok != IMAP_SUCCESS)
log_warning(_("can't close folder\n"));
g_free(session->mbox);
session->mbox = NULL;
return ok;
}
return 0;
}
void imap_scan_tree(Folder *folder)
{
FolderItem *item;
IMAPSession *session;
gchar *root_folder = NULL;
g_return_if_fail(folder != NULL);
g_return_if_fail(folder->account != NULL);
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 = g_node_new(item);
}
return;
}
if (folder->account->imap_dir && *folder->account->imap_dir) {
Xstrdup_a(root_folder, folder->account->imap_dir, return);
strtailchomp(root_folder, '/');
debug_print("IMAP root directory: %s\n", root_folder);
}
item = folder_item_new(folder, folder->name, root_folder);
item->folder = folder;
item->no_select = TRUE;
folder->node = g_node_new(item);
imap_scan_tree_recursive(session, item);
imap_create_missing_folders(folder);
}
static gint imap_scan_tree_recursive(IMAPSession *session, FolderItem *item)
{
Folder *folder;
IMAPFolder *imapfolder;
FolderItem *new_item;
GSList *item_list, *cur;
gchar *real_path;
gchar *wildcard_path;
gchar separator;
gchar wildcard[3];
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 = FOLDER(item->folder);
imapfolder = IMAP_FOLDER(folder);
separator = imap_get_path_separator(imapfolder, item->path);
if (item->folder->ui_func)
item->folder->ui_func(folder, item, folder->ui_func_data);
if (item->path) {
wildcard[0] = separator;
wildcard[1] = '%';
wildcard[2] = '\0';
real_path = imap_get_real_path(imapfolder, item->path);
} else {
wildcard[0] = '%';
wildcard[1] = '\0';
real_path = g_strdup("");
}
Xstrcat_a(wildcard_path, real_path, wildcard,
{g_free(real_path); return IMAP_ERROR;});
QUOTE_IF_REQUIRED(wildcard_path, wildcard_path);
imap_gen_send(session, "LIST \"\" %s",
wildcard_path);
strtailchomp(real_path, separator);
item_list = imap_parse_list(imapfolder, session, real_path, NULL);
g_free(real_path);
for (cur = item_list; cur != NULL; cur = cur->next) {
new_item = cur->data;
if (!strcmp(new_item->path, "INBOX")) {
if (!folder->inbox) {
new_item->stype = F_INBOX;
item->folder->inbox = new_item;
} else {
folder_item_destroy(new_item);
continue;
}
} else if (!item->parent || item->stype == F_INBOX) {
gchar *base;
base = g_basename(new_item->path);
if (!folder->outbox && !strcasecmp(base, "Sent")) {
new_item->stype = F_OUTBOX;
folder->outbox = new_item;
} else if (!folder->draft && !strcasecmp(base, "Drafts")) {
new_item->stype = F_DRAFT;
folder->draft = new_item;
} else if (!folder->queue && !strcasecmp(base, "Queue")) {
new_item->stype = F_QUEUE;
folder->queue = new_item;
} else if (!folder->trash && !strcasecmp(base, "Trash")) {
new_item->stype = F_TRASH;
folder->trash = new_item;
}
}
folder_item_append(item, new_item);
if (new_item->no_sub == FALSE)
imap_scan_tree_recursive(session, new_item);
}
return IMAP_SUCCESS;
}
static GSList *imap_parse_list(IMAPFolder *folder, IMAPSession *session,
const gchar *real_path, gchar *separator)
{
gchar buf[IMAPBUFSIZE];
gchar flags[256];
gchar separator_str[16];
gchar *p;
gchar *name;
gchar *loc_name, *loc_path;
GSList *item_list = NULL;
GString *str;
FolderItem *new_item;
debug_print("getting list of %s ...\n",
*real_path ? real_path : "\"\"");
str = g_string_new(NULL);
for (;;) {
if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) <= 0) {
log_warning(_("error occurred while getting LIST.\n"));
break;
}
strretchomp(buf);
if (buf[0] != '*' || buf[1] != ' ') {
log_print("IMAP4< %s\n", buf);
break;
}
debug_print("IMAP4< %s\n", buf);
g_string_assign(str, buf);
p = str->str + 2;
if (strncmp(p, "LIST ", 5) != 0) continue;
p += 5;
if (*p != '(') continue;
p++;
p = strchr_cpy(p, ')', flags, sizeof(flags));
if (!p) continue;
while (*p == ' ') p++;
p = strchr_cpy(p, ' ', separator_str, sizeof(separator_str));
if (!p) continue;
extract_quote(separator_str, '"');
if (!strcmp(separator_str, "NIL"))
separator_str[0] = '\0';
if (separator)
*separator = separator_str[0];
buf[0] = '\0';
while (*p == ' ') p++;
if (*p == '{' || *p == '"')
p = imap_parse_atom(SESSION(session)->sock, p,
buf, sizeof(buf), str);
else
strncpy2(buf, p, sizeof(buf));
strtailchomp(buf, separator_str[0]);
if (buf[0] == '\0') continue;
if (!strcmp(buf, real_path)) continue;
if (separator_str[0] != '\0')
subst_char(buf, separator_str[0], '/');
name = g_basename(buf);
if (name[0] == '.') continue;
loc_name = imap_modified_utf7_to_locale(name);
loc_path = imap_modified_utf7_to_locale(buf);
new_item = folder_item_new(FOLDER(folder), loc_name, loc_path);
if (strcasestr(flags, "\\Noinferiors") != NULL)
new_item->no_sub = TRUE;
if (strcmp(buf, "INBOX") != 0 &&
strcasestr(flags, "\\Noselect") != NULL)
new_item->no_select = TRUE;
item_list = g_slist_append(item_list, new_item);
debug_print("folder %s has been added.\n", loc_path);
g_free(loc_path);
g_free(loc_name);
}
g_string_free(str, TRUE);
return item_list;
}
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 0
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");
if (!folder->queue)
folder->queue = imap_create_special_folder
(folder, F_QUEUE, "Queue");
#endif
if (!folder->trash)
folder->trash = imap_create_special_folder
(folder, F_TRASH, "Trash");
}
static FolderItem *imap_create_special_folder(Folder *folder,
SpecialFolderItemType stype,
const gchar *name)
{
FolderItem *item;
FolderItem *new_item;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(folder->node != NULL, NULL);
g_return_val_if_fail(folder->node->data != NULL, NULL);
g_return_val_if_fail(folder->account != NULL, NULL);
g_return_val_if_fail(name != NULL, NULL);
item = FOLDER_ITEM(folder->node->data);
new_item = imap_create_folder(folder, item, name);
if (!new_item) {
g_warning("Can't create '%s'\n", name);
if (!folder->inbox) return NULL;
new_item = imap_create_folder(folder, folder->inbox, name);
if (!new_item)
g_warning("Can't create '%s' under INBOX\n", name);
else
new_item->stype = stype;
} else
new_item->stype = stype;
return new_item;
}
static gchar *imap_folder_get_path(Folder *folder)
{
gchar *folder_path;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(folder->account != NULL, NULL);
folder_path = g_strconcat(get_imap_cache_dir(),
G_DIR_SEPARATOR_S,
folder->account->recv_server,
G_DIR_SEPARATOR_S,
folder->account->userid,
NULL);
return folder_path;
}
static gchar *imap_item_get_path(Folder *folder, FolderItem *item)
{
gchar *folder_path, *path;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(item != NULL, NULL);
folder_path = imap_folder_get_path(folder);
g_return_val_if_fail(folder_path != NULL, NULL);
if (folder_path[0] == G_DIR_SEPARATOR) {
if (item->path)
path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
item->path, NULL);
else
path = g_strdup(folder_path);
} else {
if (item->path)
path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
folder_path, G_DIR_SEPARATOR_S,
item->path, NULL);
else
path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
folder_path, NULL);
}
g_free(folder_path);
return path;
}
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;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(folder->account != NULL, NULL);
g_return_val_if_fail(parent != NULL, NULL);
g_return_val_if_fail(name != NULL, NULL);
session = imap_session_get(folder);
if (!session) return NULL;
if (!parent->parent && strcmp(name, "INBOX") == 0)
dirpath = g_strdup(name);
else if (parent->path)
dirpath = g_strconcat(parent->path, "/", name, NULL);
else if ((p = strchr(name, '/')) != NULL && *(p + 1) != '\0')
dirpath = g_strdup(name);
else if (folder->account->imap_dir && *folder->account->imap_dir) {
gchar *imap_dir;
Xstrdup_a(imap_dir, folder->account->imap_dir, 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_locale_to_modified_utf7(dirpath);
strtailchomp(dirpath, '/');
Xstrdup_a(new_name, name, {g_free(dirpath); return NULL;});
strtailchomp(new_name, '/');
separator = imap_get_path_separator(IMAP_FOLDER(folder), imap_path);
imap_path_separator_subst(imap_path, separator);
subst_char(new_name, '/', separator);
if (strcmp(name, "INBOX") != 0) {
GPtrArray *argbuf;
gint i;
gboolean exist = FALSE;
argbuf = g_ptr_array_new();
ok = imap_cmd_list(session, NULL, imap_path,
argbuf);
if (ok != IMAP_SUCCESS) {
log_warning(_("can't create mailbox: LIST failed\n"));
g_free(imap_path);
g_free(dirpath);
ptr_array_free_strings(argbuf);
g_ptr_array_free(argbuf, TRUE);
return NULL;
}
for (i = 0; i < argbuf->len; i++) {
gchar *str;
str = g_ptr_array_index(argbuf, i);
if (!strncmp(str, "LIST ", 5)) {
exist = TRUE;
break;
}
}
ptr_array_free_strings(argbuf);
g_ptr_array_free(argbuf, TRUE);
if (!exist) {
ok = imap_cmd_create(session, imap_path);
if (ok != IMAP_SUCCESS) {
log_warning(_("can't create mailbox\n"));
g_free(imap_path);
g_free(dirpath);
return NULL;
}
}
}
new_item = folder_item_new(folder, new_name, dirpath);
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);
return new_item;
}
gint imap_rename_folder(Folder *folder, FolderItem *item, const gchar *name)
{
gchar *dirpath;
gchar *newpath;
gchar *real_oldpath;
gchar *real_newpath;
GNode *node;
gchar *paths[2];
gchar *old_cache_dir;
gchar *new_cache_dir;
IMAPSession *session;
gchar separator;
gint ok;
gint exists, recent, unseen;
guint32 uid_validity;
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(item != NULL, -1);
g_return_val_if_fail(item->path != NULL, -1);
g_return_val_if_fail(name != NULL, -1);
session = imap_session_get(folder);
if (!session) return -1;
real_oldpath = imap_get_real_path(IMAP_FOLDER(folder), item->path);
g_free(session->mbox);
session->mbox = NULL;
ok = imap_cmd_examine(session, "INBOX",
&exists, &recent, &unseen, &uid_validity);
if (ok != IMAP_SUCCESS) {
g_free(real_oldpath);
return -1;
}
separator = imap_get_path_separator(IMAP_FOLDER(folder), item->path);
if (strchr(item->path, G_DIR_SEPARATOR)) {
dirpath = g_dirname(item->path);
newpath = g_strconcat(dirpath, G_DIR_SEPARATOR_S, name, NULL);
g_free(dirpath);
} else
newpath = g_strdup(name);
real_newpath = imap_locale_to_modified_utf7(newpath);
imap_path_separator_subst(real_newpath, separator);
ok = imap_cmd_rename(session, real_oldpath, real_newpath);
if (ok != IMAP_SUCCESS) {
log_warning(_("can't rename mailbox: %s to %s\n"),
real_oldpath, real_newpath);
g_free(real_oldpath);
g_free(newpath);
g_free(real_newpath);
return -1;
}
g_free(item->name);
item->name = g_strdup(name);
old_cache_dir = folder_item_get_path(item);
node = g_node_find(item->folder->node, G_PRE_ORDER, G_TRAVERSE_ALL,
item);
paths[0] = g_strdup(item->path);
paths[1] = newpath;
g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
imap_rename_folder_func, paths);
if (is_dir_exist(old_cache_dir)) {
new_cache_dir = folder_item_get_path(item);
if (rename(old_cache_dir, new_cache_dir) < 0) {
FILE_OP_ERROR(old_cache_dir, "rename");
}
g_free(new_cache_dir);
}
g_free(old_cache_dir);
g_free(paths[0]);
g_free(newpath);
g_free(real_oldpath);
g_free(real_newpath);
return 0;
}
gint imap_remove_folder(Folder *folder, FolderItem *item)
{
gint ok;
IMAPSession *session;
gchar *path;
gchar *cache_dir;
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);
session = imap_session_get(folder);
if (!session) return -1;
path = imap_get_real_path(IMAP_FOLDER(folder), item->path);
ok = imap_cmd_examine(session, "INBOX",
&exists, &recent, &unseen, &uid_validity);
if (ok != IMAP_SUCCESS) {
g_free(path);
return -1;
}
ok = imap_cmd_delete(session, path);
if (ok != IMAP_SUCCESS) {
log_warning(_("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'\n", cache_dir);
g_free(cache_dir);
folder_item_remove(item);
return 0;
}
static GSList *imap_get_uncached_messages(IMAPSession *session,
FolderItem *item,
MsgNumberList *numlist)
{
gchar *tmp;
GSList *newlist = NULL;
GSList *llast = NULL;
GString *str;
MsgInfo *msginfo;
GSList *seq_list, *cur;
IMAPSet imapset;
g_return_val_if_fail(session != NULL, NULL);
g_return_val_if_fail(item != NULL, NULL);
g_return_val_if_fail(item->folder != NULL, NULL);
g_return_val_if_fail(FOLDER_CLASS(item->folder) == &imap_class, NULL);
seq_list = imap_get_seq_set_from_numlist(numlist);
for (cur = seq_list; cur != NULL; cur = g_slist_next(cur)) {
imapset = cur->data;
if (imap_cmd_envelope(session, imapset)
!= IMAP_SUCCESS) {
log_warning(_("can't get envelope\n"));
continue;
}
str = g_string_new(NULL);
for (;;) {
if ((tmp = sock_getline(SESSION(session)->sock)) == NULL) {
log_warning(_("error occurred while getting envelope.\n"));
g_string_free(str, TRUE);
break;
}
strretchomp(tmp);
if (tmp[0] != '*' || tmp[1] != ' ') {
log_print("IMAP4< %s\n", tmp);
g_free(tmp);
break;
}
if (strstr(tmp, "FETCH") == NULL) {
log_print("IMAP4< %s\n", tmp);
g_free(tmp);
continue;
}
log_print("IMAP4< %s\n", tmp);
g_string_assign(str, tmp);
g_free(tmp);
msginfo = imap_parse_envelope
(SESSION(session)->sock, item, str);
if (!msginfo) {
log_warning(_("can't parse envelope: %s\n"), str->str);
continue;
}
if (item->stype == F_QUEUE) {
MSG_SET_TMP_FLAGS(msginfo->flags, MSG_QUEUED);
} else if (item->stype == F_DRAFT) {
MSG_SET_TMP_FLAGS(msginfo->flags, MSG_DRAFT);
}
msginfo->folder = item;
if (!newlist)
llast = newlist = g_slist_append(newlist, msginfo);
else {
llast = g_slist_append(llast, msginfo);
llast = llast->next;
}
}
g_string_free(str, TRUE);
}
imap_seq_set_free(seq_list);
return newlist;
}
static void imap_delete_all_cached_messages(FolderItem *item)
{
gchar *dir;
g_return_if_fail(item != NULL);
g_return_if_fail(item->folder != NULL);
g_return_if_fail(FOLDER_CLASS(item->folder) == &imap_class);
debug_print("Deleting all cached messages...\n");
dir = folder_item_get_path(item);
if (is_dir_exist(dir))
remove_all_numbered_files(dir);
g_free(dir);
debug_print("done.\n");
}
#if USE_OPENSSL
static SockInfo *imap_open_tunnel(const gchar *server,
const gchar *tunnelcmd,
SSLType ssl_type)
#else
static SockInfo *imap_open_tunnel(const gchar *server,
const gchar *tunnelcmd)
#endif
{
SockInfo *sock;
if ((sock = sock_connect_cmd(server, tunnelcmd)) == NULL) {
log_warning(_("Can't establish IMAP4 session with: %s\n"),
server);
return NULL;
}
#if USE_OPENSSL
return imap_init_sock(sock, ssl_type);
#else
return imap_init_sock(sock);
#endif
}
#if USE_OPENSSL
static SockInfo *imap_open(const gchar *server, gushort port,
SSLType ssl_type)
#else
static SockInfo *imap_open(const gchar *server, gushort port)
#endif
{
SockInfo *sock;
if ((sock = sock_connect(server, port)) == NULL) {
log_warning(_("Can't connect to IMAP4 server: %s:%d\n"),
server, port);
return NULL;
}
#if USE_OPENSSL
if (ssl_type == SSL_TUNNEL && !ssl_init_socket(sock)) {
log_warning(_("Can't establish IMAP4 session with: %s:%d\n"),
server, port);
sock_close(sock);
return NULL;
}
#endif
return sock;
}
#if USE_OPENSSL
static SockInfo *imap_init_sock(SockInfo *sock, SSLType ssl_type)
#else
static SockInfo *imap_init_sock(SockInfo *sock)
#endif
{
return sock;
}
static GList *imap_parse_namespace_str(gchar *str)
{
gchar *p = str;
gchar *name;
gchar *separator;
IMAPNameSpace *namespace;
GList *ns_list = NULL;
while (*p != '\0') {
/* parse ("#foo" "/") */
while (*p && *p != '(') p++;
if (*p == '\0') break;
p++;
while (*p && *p != '"') p++;
if (*p == '\0') break;
p++;
name = p;
while (*p && *p != '"') p++;
if (*p == '\0') break;
*p = '\0';
p++;
while (*p && isspace(*p)) p++;
if (*p == '\0') break;
if (strncmp(p, "NIL", 3) == 0)
separator = NULL;
else if (*p == '"') {
p++;
separator = p;
while (*p && *p != '"') p++;
if (*p == '\0') break;
*p = '\0';
p++;
} else break;
while (*p && *p != ')') p++;
if (*p == '\0') break;
p++;
namespace = g_new(IMAPNameSpace, 1);
namespace->name = g_strdup(name);
namespace->separator = separator ? separator[0] : '\0';
ns_list = g_list_append(ns_list, namespace);
}
return ns_list;
}
static void imap_parse_namespace(IMAPSession *session, IMAPFolder *folder)
{
gchar *ns_str;
gchar **str_array;
g_return_if_fail(session != NULL);
g_return_if_fail(folder != NULL);
if (folder->ns_personal != NULL ||
folder->ns_others != NULL ||
folder->ns_shared != NULL)
return;
if (!imap_has_capability(session, "NAMESPACE")) {
imap_get_namespace_by_list(session, folder);
return;
}
if (imap_cmd_namespace(session, &ns_str)
!= IMAP_SUCCESS) {
log_warning(_("can't get namespace\n"));
return;
}
str_array = strsplit_parenthesis(ns_str, '(', ')', 3);
if (str_array == NULL) {
g_free(ns_str);
imap_get_namespace_by_list(session, folder);
return;
}
if (str_array[0])
folder->ns_personal = imap_parse_namespace_str(str_array[0]);
if (str_array[0] && str_array[1])
folder->ns_others = imap_parse_namespace_str(str_array[1]);
if (str_array[0] && str_array[1] && str_array[2])
folder->ns_shared = imap_parse_namespace_str(str_array[2]);
g_strfreev(str_array);
g_free(ns_str);
}
static void imap_get_namespace_by_list(IMAPSession *session, IMAPFolder *folder)
{
GSList *item_list, *cur;
gchar separator = '\0';
IMAPNameSpace *namespace;
g_return_if_fail(session != NULL);
g_return_if_fail(folder != NULL);
if (folder->ns_personal != NULL ||
folder->ns_others != NULL ||
folder->ns_shared != NULL)
return;
imap_gen_send(session, "LIST \"\" \"\"");
item_list = imap_parse_list(folder, session, "", &separator);
for (cur = item_list; cur != NULL; cur = cur->next)
folder_item_destroy(FOLDER_ITEM(cur->data));
g_slist_free(item_list);
namespace = g_new(IMAPNameSpace, 1);
namespace->name = g_strdup("");
namespace->separator = separator;
folder->ns_personal = g_list_append(NULL, namespace);
}
static IMAPNameSpace *imap_find_namespace_from_list(GList *ns_list,
const gchar *path)
{
IMAPNameSpace *namespace = NULL;
gchar *tmp_path, *name;
if (!path) path = "";
Xstrcat_a(tmp_path, path, "/", return NULL);
for (; ns_list != NULL; ns_list = ns_list->next) {
IMAPNameSpace *tmp_ns = ns_list->data;
Xstrdup_a(name, tmp_ns->name, return namespace);
if (tmp_ns->separator && tmp_ns->separator != '/')
subst_char(name, tmp_ns->separator, '/');
if (strncmp(tmp_path, name, strlen(name)) == 0)
namespace = tmp_ns;
}
return namespace;
}
static IMAPNameSpace *imap_find_namespace(IMAPFolder *folder,
const gchar *path)
{
IMAPNameSpace *namespace;
g_return_val_if_fail(folder != NULL, NULL);
namespace = imap_find_namespace_from_list(folder->ns_personal, path);
if (namespace) return namespace;
namespace = imap_find_namespace_from_list(folder->ns_others, path);
if (namespace) return namespace;
namespace = imap_find_namespace_from_list(folder->ns_shared, path);
if (namespace) return namespace;
return NULL;
}
static gchar imap_get_path_separator(IMAPFolder *folder, const gchar *path)
{
IMAPNameSpace *namespace;
gchar separator = '/';
namespace = imap_find_namespace(folder, path);
if (namespace && namespace->separator)
separator = namespace->separator;
return separator;
}
static gchar *imap_get_real_path(IMAPFolder *folder, const gchar *path)
{
gchar *real_path;
gchar separator;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(path != NULL, NULL);
real_path = imap_locale_to_modified_utf7(path);
separator = imap_get_path_separator(folder, path);
imap_path_separator_subst(real_path, separator);
return real_path;
}
static gchar *imap_parse_atom(SockInfo *sock, gchar *src,
gchar *dest, gint dest_len, GString *str)
{
gchar *cur_pos = src;
gchar *nextline;
g_return_val_if_fail(str != NULL, cur_pos);
/* read the next line if the current response buffer is empty */
while (isspace(*cur_pos)) cur_pos++;
while (*cur_pos == '\0') {
if ((nextline = sock_getline(sock)) == NULL)
return cur_pos;
g_string_assign(str, nextline);
cur_pos = str->str;
strretchomp(nextline);
/* log_print("IMAP4< %s\n", nextline); */
debug_print("IMAP4< %s\n", nextline);
g_free(nextline);
while (isspace(*cur_pos)) cur_pos++;
}
if (!strncmp(cur_pos, "NIL", 3)) {
*dest = '\0';
cur_pos += 3;
} else if (*cur_pos == '\"') {
gchar *p;
p = get_quoted(cur_pos, '\"', dest, dest_len);
cur_pos = p ? p : cur_pos + 2;
} else if (*cur_pos == '{') {
gchar buf[32];
gint len;
gint line_len = 0;
cur_pos = strchr_cpy(cur_pos + 1, '}', buf, sizeof(buf));
len = atoi(buf);
g_return_val_if_fail(len > 0, cur_pos);
g_string_truncate(str, 0);
cur_pos = str->str;
do {
if ((nextline = sock_getline(sock)) == NULL)
return cur_pos;
line_len += strlen(nextline);
g_string_append(str, nextline);
cur_pos = str->str;
strretchomp(nextline);
/* log_print("IMAP4< %s\n", nextline); */
debug_print("IMAP4< %s\n", nextline);
g_free(nextline);
} while (line_len < len);
memcpy(dest, cur_pos, MIN(len, dest_len - 1));
dest[MIN(len, dest_len - 1)] = '\0';
cur_pos += len;
}
return cur_pos;
}
static gchar *imap_get_header(SockInfo *sock, gchar *cur_pos, gchar **headers,
GString *str)
{
gchar *nextline;
gchar buf[32];
gint len;
gint block_len = 0;
*headers = NULL;
g_return_val_if_fail(str != NULL, cur_pos);
while (isspace(*cur_pos)) cur_pos++;
g_return_val_if_fail(*cur_pos == '{', cur_pos);
cur_pos = strchr_cpy(cur_pos + 1, '}', buf, sizeof(buf));
len = atoi(buf);
g_return_val_if_fail(len > 0, cur_pos);
g_string_truncate(str, 0);
cur_pos = str->str;
do {
if ((nextline = sock_getline(sock)) == NULL)
return cur_pos;
block_len += strlen(nextline);
g_string_append(str, nextline);
cur_pos = str->str;
strretchomp(nextline);
/* debug_print("IMAP4< %s\n", nextline); */
g_free(nextline);
} while (block_len < len);
debug_print("IMAP4< [contents of BODY.PEEK[HEADER.FIELDS (...)]]\n");
*headers = g_strndup(cur_pos, len);
cur_pos += len;
while (isspace(*cur_pos)) cur_pos++;
while (*cur_pos == '\0') {
if ((nextline = sock_getline(sock)) == NULL)
return cur_pos;
g_string_assign(str, nextline);
cur_pos = str->str;
strretchomp(nextline);
debug_print("IMAP4< %s\n", nextline);
g_free(nextline);
while (isspace(*cur_pos)) cur_pos++;
}
return cur_pos;
}
static MsgFlags imap_parse_flags(const gchar *flag_str)
{
const gchar *p = flag_str;
MsgFlags flags = {0, 0};
flags.perm_flags = MSG_UNREAD;
while ((p = strchr(p, '\\')) != NULL) {
p++;
if (g_strncasecmp(p, "Recent", 6) == 0 && MSG_IS_UNREAD(flags)) {
MSG_SET_PERM_FLAGS(flags, MSG_NEW);
} else if (g_strncasecmp(p, "Seen", 4) == 0) {
MSG_UNSET_PERM_FLAGS(flags, MSG_NEW|MSG_UNREAD);
} else if (g_strncasecmp(p, "Deleted", 7) == 0) {
MSG_SET_PERM_FLAGS(flags, MSG_DELETED);
} else if (g_strncasecmp(p, "Flagged", 7) == 0) {
MSG_SET_PERM_FLAGS(flags, MSG_MARKED);
} else if (g_strncasecmp(p, "Answered", 8) == 0) {
MSG_SET_PERM_FLAGS(flags, MSG_REPLIED);
}
}
return flags;
}
static MsgInfo *imap_parse_envelope(SockInfo *sock, FolderItem *item,
GString *line_str)
{
gchar buf[IMAPBUFSIZE];
MsgInfo *msginfo = NULL;
gchar *cur_pos;
gint msgnum;
guint32 uid = 0;
size_t size = 0;
MsgFlags flags = {0, 0}, imap_flags = {0, 0};
g_return_val_if_fail(line_str != NULL, NULL);
g_return_val_if_fail(line_str->str[0] == '*' &&
line_str->str[1] == ' ', NULL);
MSG_SET_TMP_FLAGS(flags, MSG_IMAP);
if (item->stype == F_QUEUE) {
MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
} else if (item->stype == F_DRAFT) {
MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
}
cur_pos = line_str->str + 2;
#define PARSE_ONE_ELEMENT(ch) \
{ \
cur_pos = strchr_cpy(cur_pos, ch, buf, sizeof(buf)); \
if (cur_pos == NULL) { \
g_warning("cur_pos == NULL\n"); \
procmsg_msginfo_free(msginfo); \
return NULL; \
} \
}
PARSE_ONE_ELEMENT(' ');
msgnum = atoi(buf);
PARSE_ONE_ELEMENT(' ');
g_return_val_if_fail(!strcmp(buf, "FETCH"), NULL);
g_return_val_if_fail(*cur_pos == '(', NULL);
cur_pos++;
while (*cur_pos != '\0' && *cur_pos != ')') {
while (*cur_pos == ' ') cur_pos++;
if (!strncmp(cur_pos, "UID ", 4)) {
cur_pos += 4;
uid = strtoul(cur_pos, &cur_pos, 10);
} else if (!strncmp(cur_pos, "FLAGS ", 6)) {
cur_pos += 6;
if (*cur_pos != '(') {
g_warning("*cur_pos != '('\n");
procmsg_msginfo_free(msginfo);
return NULL;
}
cur_pos++;
PARSE_ONE_ELEMENT(')');
imap_flags = imap_parse_flags(buf);
} else if (!strncmp(cur_pos, "RFC822.SIZE ", 12)) {
cur_pos += 12;
size = strtol(cur_pos, &cur_pos, 10);
} else if (!strncmp(cur_pos, "BODY[HEADER.FIELDS ", 19)) {
gchar *headers;
cur_pos += 19;
if (*cur_pos != '(') {
g_warning("*cur_pos != '('\n");
procmsg_msginfo_free(msginfo);
return NULL;
}
cur_pos++;
PARSE_ONE_ELEMENT(')');
if (*cur_pos != ']') {
g_warning("*cur_pos != ']'\n");
procmsg_msginfo_free(msginfo);
return NULL;
}
cur_pos++;
cur_pos = imap_get_header(sock, cur_pos, &headers,
line_str);
msginfo = procheader_parse_str(headers, flags, FALSE, FALSE);
g_free(headers);
} else {
g_warning("invalid FETCH response: %s\n", cur_pos);
break;
}
}
if (msginfo) {
msginfo->msgnum = uid;
msginfo->size = size;
msginfo->flags.tmp_flags |= imap_flags.tmp_flags;
msginfo->flags.perm_flags = imap_flags.perm_flags;
}
return msginfo;
}
static gchar *imap_get_flag_str(IMAPFlags flags)
{
GString *str;
gchar *ret;
str = g_string_new(NULL);
if (IMAP_IS_SEEN(flags)) g_string_append(str, "\\Seen ");
if (IMAP_IS_ANSWERED(flags)) g_string_append(str, "\\Answered ");
if (IMAP_IS_FLAGGED(flags)) g_string_append(str, "\\Flagged ");
if (IMAP_IS_DELETED(flags)) g_string_append(str, "\\Deleted ");
if (IMAP_IS_DRAFT(flags)) g_string_append(str, "\\Draft");
if (str->len > 0 && str->str[str->len - 1] == ' ')
g_string_truncate(str, str->len - 1);
ret = str->str;
g_string_free(str, FALSE);
return ret;
}
static gint imap_set_message_flags(IMAPSession *session,
MsgNumberList *numlist,
IMAPFlags flags,
gboolean is_set)
{
gchar *cmd;
gchar *flag_str;
gint ok;
GSList *seq_list, *cur;
IMAPSet imapset;
flag_str = imap_get_flag_str(flags);
cmd = g_strconcat(is_set ? "+FLAGS.SILENT (" : "-FLAGS.SILENT (",
flag_str, ")", NULL);
g_free(flag_str);
seq_list = imap_get_seq_set_from_numlist(numlist);
for (cur = seq_list; cur != NULL; cur = g_slist_next(cur)) {
imapset = cur->data;
ok = imap_cmd_store(session, imapset, cmd);
}
imap_seq_set_free(seq_list);
g_free(cmd);
return ok;
}
static gint imap_select(IMAPSession *session, IMAPFolder *folder,
const gchar *path,
gint *exists, gint *recent, gint *unseen,
guint32 *uid_validity)
{
gchar *real_path;
gint ok;
gint exists_, recent_, unseen_, uid_validity_;
if (!exists || !recent || !unseen || !uid_validity) {
if (session->mbox && strcmp(session->mbox, path) == 0)
return IMAP_SUCCESS;
exists = &exists_;
recent = &recent_;
unseen = &unseen_;
uid_validity = &uid_validity_;
}
g_free(session->mbox);
session->mbox = NULL;
real_path = imap_get_real_path(folder, path);
ok = imap_cmd_select(session, real_path,
exists, recent, unseen, uid_validity);
if (ok != IMAP_SUCCESS)
log_warning(_("can't select folder: %s\n"), real_path);
else {
session->mbox = g_strdup(path);
session->folder_content_changed = FALSE;
}
g_free(real_path);
return ok;
}
#define THROW(err) { ok = err; goto catch; }
static gint imap_status(IMAPSession *session, IMAPFolder *folder,
const gchar *path,
gint *messages, gint *recent,
guint32 *uid_next, guint32 *uid_validity,
gint *unseen)
{
gchar *real_path;
gchar *real_path_;
gint ok;
GPtrArray *argbuf;
gchar *str;
*messages = *recent = *uid_next = *uid_validity = *unseen = 0;
if (path == NULL)
return -1;
argbuf = g_ptr_array_new();
real_path = imap_get_real_path(folder, path);
QUOTE_IF_REQUIRED(real_path_, real_path);
imap_gen_send(session, "STATUS %s "
"(MESSAGES RECENT UIDNEXT UIDVALIDITY UNSEEN)",
real_path_);
ok = imap_cmd_ok(session, argbuf);
if (ok != IMAP_SUCCESS) THROW(ok);
str = search_array_str(argbuf, "STATUS");
if (!str) THROW(IMAP_ERROR);
str = strchr(str, '(');
if (!str) THROW(IMAP_ERROR);
str++;
while (*str != '\0' && *str != ')') {
while (*str == ' ') str++;
if (!strncmp(str, "MESSAGES ", 9)) {
str += 9;
*messages = strtol(str, &str, 10);
} else if (!strncmp(str, "RECENT ", 7)) {
str += 7;
*recent = strtol(str, &str, 10);
} else if (!strncmp(str, "UIDNEXT ", 8)) {
str += 8;
*uid_next = strtoul(str, &str, 10);
} else if (!strncmp(str, "UIDVALIDITY ", 12)) {
str += 12;
*uid_validity = strtoul(str, &str, 10);
} else if (!strncmp(str, "UNSEEN ", 7)) {
str += 7;
*unseen = strtol(str, &str, 10);
} else {
g_warning("invalid STATUS response: %s\n", str);
break;
}
}
catch:
g_free(real_path);
ptr_array_free_strings(argbuf);
g_ptr_array_free(argbuf, TRUE);
return ok;
}
#undef THROW
static gboolean imap_has_capability(IMAPSession *session, const gchar *cap)
{
gchar **p;
for (p = session->capability; *p != NULL; ++p) {
if (!g_strcasecmp(*p, cap))
return TRUE;
}
return FALSE;
}
void imap_free_capabilities(IMAPSession *session)
{
g_strfreev(session->capability);
session->capability = NULL;
}
/* low-level IMAP4rev1 commands */
static gint imap_cmd_authenticate(IMAPSession *session, const gchar *user,
const gchar *pass, IMAPAuthType type)
{
gchar *auth_type;
gint ok;
gchar *buf = NULL;
gchar *challenge;
gint challenge_len;
gchar hexdigest[33];
gchar *response;
gchar *response64;
auth_type = "CRAM-MD5";
imap_gen_send(session, "AUTHENTICATE %s", auth_type);
ok = imap_gen_recv(session, &buf);
if (ok != IMAP_SUCCESS || buf[0] != '+' || buf[1] != ' ') {
g_free(buf);
return IMAP_ERROR;
}
challenge = g_malloc(strlen(buf + 2) + 1);
challenge_len = base64_decode(challenge, buf + 2, -1);
challenge[challenge_len] = '\0';
g_free(buf);
log_print("IMAP< [Decoded: %s]\n", challenge);
md5_hex_hmac(hexdigest, challenge, challenge_len, pass, strlen(pass));
g_free(challenge);
response = g_strdup_printf("%s %s", user, hexdigest);
log_print("IMAP> [Encoded: %s]\n", response);
response64 = g_malloc((strlen(response) + 3) * 2 + 1);
base64_encode(response64, response, strlen(response));
g_free(response);
log_print("IMAP> %s\n", response64);
sock_puts(SESSION(session)->sock, response64);
ok = imap_cmd_ok(session, NULL);
if (ok != IMAP_SUCCESS)
log_warning(_("IMAP4 authentication failed.\n"));
return ok;
}
static gint imap_cmd_login(IMAPSession *session,
const gchar *user, const gchar *pass)
{
gchar *user_, *pass_;
gint ok;
QUOTE_IF_REQUIRED(user_, user);
QUOTE_IF_REQUIRED(pass_, pass);
imap_gen_send(session, "LOGIN %s %s", user_, pass_);
ok = imap_cmd_ok(session, NULL);
if (ok != IMAP_SUCCESS)
log_warning(_("IMAP4 login failed.\n"));
return ok;
}
static gint imap_cmd_logout(IMAPSession *session)
{
imap_gen_send(session, "LOGOUT");
return imap_cmd_ok(session, NULL);
}
static gint imap_cmd_noop(IMAPSession *session)
{
imap_gen_send(session, "NOOP");
return imap_cmd_ok(session, NULL);
}
static gint imap_cmd_starttls(IMAPSession *session)
{
imap_gen_send(session, "STARTTLS");
return imap_cmd_ok(session, NULL);
}
#define THROW(err) { ok = err; goto catch; }
static gint imap_cmd_namespace(IMAPSession *session, gchar **ns_str)
{
gint ok;
GPtrArray *argbuf;
gchar *str;
argbuf = g_ptr_array_new();
imap_gen_send(session, "NAMESPACE");
if ((ok = imap_cmd_ok(session, argbuf)) != IMAP_SUCCESS) THROW(ok);
str = search_array_str(argbuf, "NAMESPACE");
if (!str) THROW(IMAP_ERROR);
*ns_str = g_strdup(str);
catch:
ptr_array_free_strings(argbuf);
g_ptr_array_free(argbuf, TRUE);
return ok;
}
#undef THROW
static gint imap_cmd_list(IMAPSession *session, const gchar *ref,
const gchar *mailbox, GPtrArray *argbuf)
{
gchar *ref_, *mailbox_;
if (!ref) ref = "\"\"";
if (!mailbox) mailbox = "\"\"";
QUOTE_IF_REQUIRED(ref_, ref);
QUOTE_IF_REQUIRED(mailbox_, mailbox);
imap_gen_send(session, "LIST %s %s", ref_, mailbox_);
return imap_cmd_ok(session, argbuf);
}
#define THROW goto catch
static gint imap_cmd_do_select(IMAPSession *session, const gchar *folder,
gboolean examine,
gint *exists, gint *recent, gint *unseen,
guint32 *uid_validity)
{
gint ok;
gchar *resp_str;
GPtrArray *argbuf;
gchar *select_cmd;
gchar *folder_;
*exists = *recent = *unseen = *uid_validity = 0;
argbuf = g_ptr_array_new();
if (examine)
select_cmd = "EXAMINE";
else
select_cmd = "SELECT";
QUOTE_IF_REQUIRED(folder_, folder);
imap_gen_send(session, "%s %s", select_cmd, folder_);
if ((ok = imap_cmd_ok(session, argbuf)) != IMAP_SUCCESS) THROW;
resp_str = search_array_contain_str(argbuf, "EXISTS");
if (resp_str) {
if (sscanf(resp_str,"%d EXISTS", exists) != 1) {
g_warning("imap_cmd_select(): invalid EXISTS line.\n");
THROW;
}
}
resp_str = search_array_contain_str(argbuf, "RECENT");
if (resp_str) {
if (sscanf(resp_str, "%d RECENT", recent) != 1) {
g_warning("imap_cmd_select(): invalid RECENT line.\n");
THROW;
}
}
resp_str = search_array_contain_str(argbuf, "UIDVALIDITY");
if (resp_str) {
if (sscanf(resp_str, "OK [UIDVALIDITY %u] ", uid_validity)
!= 1) {
g_warning("imap_cmd_select(): invalid UIDVALIDITY line.\n");
THROW;
}
}
resp_str = search_array_contain_str(argbuf, "UNSEEN");
if (resp_str) {
if (sscanf(resp_str, "OK [UNSEEN %d] ", unseen) != 1) {
g_warning("imap_cmd_select(): invalid UNSEEN line.\n");
THROW;
}
}
catch:
ptr_array_free_strings(argbuf);
g_ptr_array_free(argbuf, TRUE);
return ok;
}
static gint imap_cmd_select(IMAPSession *session, const gchar *folder,
gint *exists, gint *recent, gint *unseen,
guint32 *uid_validity)
{
return imap_cmd_do_select(session, folder, FALSE,
exists, recent, unseen, uid_validity);
}
static gint imap_cmd_examine(IMAPSession *session, const gchar *folder,
gint *exists, gint *recent, gint *unseen,
guint32 *uid_validity)
{
return imap_cmd_do_select(session, folder, TRUE,
exists, recent, unseen, uid_validity);
}
#undef THROW
static gint imap_cmd_create(IMAPSession *session, const gchar *folder)
{
gchar *folder_;
QUOTE_IF_REQUIRED(folder_, folder);
imap_gen_send(session, "CREATE %s", folder_);
return imap_cmd_ok(session, NULL);
}
static gint imap_cmd_rename(IMAPSession *session, const gchar *old_folder,
const gchar *new_folder)
{
gchar *old_folder_, *new_folder_;
QUOTE_IF_REQUIRED(old_folder_, old_folder);
QUOTE_IF_REQUIRED(new_folder_, new_folder);
imap_gen_send(session, "RENAME %s %s", old_folder_, new_folder_);
return imap_cmd_ok(session, NULL);
}
static gint imap_cmd_delete(IMAPSession *session, const gchar *folder)
{
gchar *folder_;
QUOTE_IF_REQUIRED(folder_, folder);
imap_gen_send(session, "DELETE %s", folder_);
return imap_cmd_ok(session, NULL);
}
static gint imap_cmd_search(IMAPSession *session, const gchar *criteria, GSList **list)
{
gint ok;
gchar *uidlist;
GPtrArray *argbuf;
g_return_val_if_fail(criteria != NULL, IMAP_ERROR);
g_return_val_if_fail(list != NULL, IMAP_ERROR);
*list = NULL;
argbuf = g_ptr_array_new();
imap_gen_send(session, "UID SEARCH %s", criteria);
ok = imap_cmd_ok(session, argbuf);
if (ok != IMAP_SUCCESS) {
ptr_array_free_strings(argbuf);
g_ptr_array_free(argbuf, TRUE);
return ok;
}
if ((uidlist = search_array_str(argbuf, "SEARCH ")) != NULL) {
gchar **strlist, **p;
strlist = g_strsplit(uidlist + 7, " ", 0);
for (p = strlist; *p != NULL; ++p) {
guint msgnum;
if (sscanf(*p, "%d", &msgnum) == 1)
*list = g_slist_append(*list, GINT_TO_POINTER(msgnum));
}
g_strfreev(strlist);
}
ptr_array_free_strings(argbuf);
g_ptr_array_free(argbuf, TRUE);
return IMAP_SUCCESS;
}
static gint imap_cmd_fetch(IMAPSession *session, guint32 uid, const gchar *filename)
{
gint ok;
gchar *buf = NULL;
gchar *cur_pos;
gchar size_str[32];
glong size_num;
g_return_val_if_fail(filename != NULL, IMAP_ERROR);
imap_gen_send(session, "UID FETCH %d BODY.PEEK[]", uid);
while ((ok = imap_gen_recv(session, &buf)) == IMAP_SUCCESS) {
if (buf[0] != '*' || buf[1] != ' ') {
g_free(buf);
return IMAP_ERROR;
}
if (strstr(buf, "FETCH") != NULL) break;
g_free(buf);
}
if (ok != IMAP_SUCCESS) {
g_free(buf);
return ok;
}
#define RETURN_ERROR_IF_FAIL(cond) \
if (!(cond)) { \
g_free(buf); \
return IMAP_ERROR; \
}
cur_pos = strchr(buf, '{');
RETURN_ERROR_IF_FAIL(cur_pos != NULL);
cur_pos = strchr_cpy(cur_pos + 1, '}', size_str, sizeof(size_str));
RETURN_ERROR_IF_FAIL(cur_pos != NULL);
size_num = atol(size_str);
RETURN_ERROR_IF_FAIL(size_num > 0);
RETURN_ERROR_IF_FAIL(*cur_pos == '\0');
#undef RETURN_ERROR_IF_FAIL
g_free(buf);
if (recv_bytes_write_to_file(SESSION(session)->sock, size_num, filename) != 0)
return IMAP_ERROR;
if (imap_gen_recv(session, &buf) != IMAP_SUCCESS) {
g_free(buf);
return IMAP_ERROR;
}
if (buf[0] == '\0' || buf[strlen(buf) - 1] != ')') {
g_free(buf);
return IMAP_ERROR;
}
g_free(buf);
ok = imap_cmd_ok(session, NULL);
return ok;
}
static gint imap_cmd_append(IMAPSession *session, const gchar *destfolder,
const gchar *file, IMAPFlags flags, guint32 *new_uid)
{
gint ok;
gint size;
gchar *destfolder_;
gchar *flag_str;
guint32 new_uid_;
gchar *ret = NULL;
gchar buf[BUFFSIZE];
FILE *fp;
GPtrArray *argbuf;
gchar *resp_str;
g_return_val_if_fail(file != NULL, IMAP_ERROR);
size = get_file_size_as_crlf(file);
if ((fp = fopen(file, "rb")) == NULL) {
FILE_OP_ERROR(file, "fopen");
return -1;
}
QUOTE_IF_REQUIRED(destfolder_, destfolder);
flag_str = imap_get_flag_str(flags);
imap_gen_send(session, "APPEND %s (%s) {%d}",
destfolder_, flag_str, size);
g_free(flag_str);
ok = imap_gen_recv(session, &ret);
if (ok != IMAP_SUCCESS || ret[0] != '+' || ret[1] != ' ') {
log_warning(_("can't append %s to %s\n"), file, destfolder_);
g_free(ret);
fclose(fp);
return IMAP_ERROR;
}
g_free(ret);
log_print("IMAP4> %s\n", _("(sending file...)"));
while (fgets(buf, sizeof(buf), fp) != NULL) {
strretchomp(buf);
if (sock_puts(SESSION(session)->sock, buf) < 0) {
fclose(fp);
return -1;
}
}
if (ferror(fp)) {
FILE_OP_ERROR(file, "fgets");
fclose(fp);
return -1;
}
sock_puts(SESSION(session)->sock, "");
fclose(fp);
if (new_uid != NULL)
*new_uid = 0;
if (new_uid != NULL && session->uidplus) {
argbuf = g_ptr_array_new();
ok = imap_cmd_ok(session, argbuf);
if (ok != IMAP_SUCCESS)
log_warning(_("can't append message to %s\n"),
destfolder_);
else if (argbuf->len > 0) {
resp_str = g_ptr_array_index(argbuf, argbuf->len - 1);
if (resp_str &&
sscanf(resp_str, "%*u OK [APPENDUID %*u %u]",
&new_uid_) == 1) {
*new_uid = new_uid_;
}
}
ptr_array_free_strings(argbuf);
g_ptr_array_free(argbuf, TRUE);
} else
ok = imap_cmd_ok(session, NULL);
return ok;
}
static gint imap_cmd_copy(IMAPSession *session, const gchar *seq_set,
const gchar *destfolder, GRelation *uid_mapping)
{
gint ok;
gchar *destfolder_;
GPtrArray *reply;
g_return_val_if_fail(session != NULL, IMAP_ERROR);
g_return_val_if_fail(seq_set != NULL, IMAP_ERROR);
g_return_val_if_fail(destfolder != NULL, IMAP_ERROR);
QUOTE_IF_REQUIRED(destfolder_, destfolder);
imap_gen_send(session, "UID COPY %s %s", seq_set, destfolder_);
reply = g_ptr_array_new();
ok = imap_cmd_ok(session, reply);
if (ok != IMAP_SUCCESS)
log_warning(_("can't copy %s to %s\n"), seq_set, destfolder_);
/*
TODO: UIDPLUS
- split IMAPSets into uids
- g_relation_insert(uid_mapping, olduid, newuid);
else if (imap_has_capability(session, "UIDPLUS") && reply->len > 0)
if ((okmsginfo = g_ptr_array_index(reply, reply->len - 1)) != NULL &&
sscanf(okmsginfo, "%*u OK [COPYUID %*u %u %u]", &olduid, &newuid) == 2 &&
olduid == msgnum)
*new_uid = newuid;
*/
ptr_array_free_strings(reply);
g_ptr_array_free(reply, TRUE);
return ok;
}
gint imap_cmd_envelope(IMAPSession *session, IMAPSet set)
{
static GString *header_fields = NULL;
if (header_fields == NULL) {
const HeaderEntry *headers, *elem;
headers = procheader_get_headernames(FALSE);
header_fields = g_string_new("");
for (elem = headers; elem->name != NULL; ++elem) {
gint namelen = strlen(elem->name);
/* Header fields ending with space are not rfc822 headers */
if (elem->name[namelen - 1] == ' ')
continue;
/* strip : at the of header field */
if(elem->name[namelen - 1] == ':')
namelen--;
if (namelen <= 0)
continue;
g_string_sprintfa(header_fields, "%s%.*s",
header_fields->str[0] != '\0' ? " " : "",
namelen, elem->name);
}
}
imap_gen_send
(session, "UID FETCH %s (UID FLAGS RFC822.SIZE BODY.PEEK[HEADER.FIELDS (%s)])",
set, header_fields->str);
return IMAP_SUCCESS;
}
static gint imap_cmd_store(IMAPSession *session, IMAPSet seq_set,
gchar *sub_cmd)
{
gint ok;
imap_gen_send(session, "UID STORE %s %s", seq_set, sub_cmd);
if ((ok = imap_cmd_ok(session, NULL)) != IMAP_SUCCESS) {
log_warning(_("error while imap command: STORE %s %s\n"),
seq_set, sub_cmd);
return ok;
}
return IMAP_SUCCESS;
}
static gint imap_cmd_expunge(IMAPSession *session)
{
gint ok;
imap_gen_send(session, "EXPUNGE");
if ((ok = imap_cmd_ok(session, NULL)) != IMAP_SUCCESS) {
log_warning(_("error while imap command: EXPUNGE\n"));
return ok;
}
return IMAP_SUCCESS;
}
static gint imap_cmd_close(IMAPSession *session)
{
gint ok;
imap_gen_send(session, "CLOSE");
if ((ok = imap_cmd_ok(session, NULL)) != IMAP_SUCCESS)
log_warning(_("error while imap command: CLOSE\n"));
return ok;
}
static gint imap_cmd_ok(IMAPSession *session, GPtrArray *argbuf)
{
gint ok = IMAP_SUCCESS;
gchar *buf;
gint cmd_num;
gchar *data;
while ((ok = imap_gen_recv(session, &buf))
== IMAP_SUCCESS) {
// make sure data is long enough for any substring of buf
data = alloca(strlen(buf) + 1);
// untagged line read
if (buf[0] == '*' && buf[1] == ' ') {
gint num;
if (argbuf)
g_ptr_array_add(argbuf, g_strdup(buf + 2));
if (sscanf(buf + 2, "%d %s", &num, data) >= 2) {
if (!strcmp(data, "EXISTS")) {
session->exists = num;
session->folder_content_changed = TRUE;
}
if(!strcmp(data, "EXPUNGE")) {
session->exists--;
session->folder_content_changed = TRUE;
}
}
// tagged line with correct tag and OK response found
} else if ((sscanf(buf, "%d %s", &cmd_num, data) >= 2) &&
(cmd_num == session->cmd_count) &&
!strcmp(data, "OK")) {
if (argbuf)
g_ptr_array_add(argbuf, g_strdup(buf));
break;
// everything else
} else {
ok = IMAP_ERROR;
break;
}
g_free(buf);
}
g_free(buf);
return ok;
}
static void imap_gen_send(IMAPSession *session, const gchar *format, ...)
{
gchar *buf;
gchar *tmp;
gchar *p;
va_list args;
va_start(args, format);
tmp = g_strdup_vprintf(format, args);
va_end(args);
session->cmd_count++;
buf = g_strdup_printf("%d %s\r\n", session->cmd_count, tmp);
if (!strncasecmp(tmp, "LOGIN ", 6) && (p = strchr(tmp + 6, ' '))) {
*p = '\0';
log_print("IMAP4> %d %s ********\n", session->cmd_count, tmp);
} else
log_print("IMAP4> %d %s\n", session->cmd_count, tmp);
sock_write_all(SESSION(session)->sock, buf, strlen(buf));
g_free(tmp);
g_free(buf);
}
static gint imap_gen_recv(IMAPSession *session, gchar **ret)
{
if ((*ret = sock_getline(SESSION(session)->sock)) == NULL)
return IMAP_SOCKET;
strretchomp(*ret);
log_print("IMAP4< %s\n", *ret);
return IMAP_SUCCESS;
}
/* misc utility functions */
static gchar *strchr_cpy(const gchar *src, gchar ch, gchar *dest, gint len)
{
gchar *tmp;
dest[0] = '\0';
tmp = strchr(src, ch);
if (!tmp)
return NULL;
memcpy(dest, src, MIN(tmp - src, len - 1));
dest[MIN(tmp - src, len - 1)] = '\0';
return tmp + 1;
}
static gchar *get_quoted(const gchar *src, gchar ch, gchar *dest, gint len)
{
const gchar *p = src;
gint n = 0;
g_return_val_if_fail(*p == ch, NULL);
*dest = '\0';
p++;
while (*p != '\0' && *p != ch) {
if (n < len - 1) {
if (*p == '\\' && *(p + 1) != '\0')
p++;
*dest++ = *p++;
} else
p++;
n++;
}
*dest = '\0';
return (gchar *)(*p == ch ? p + 1 : p);
}
static gchar *search_array_contain_str(GPtrArray *array, const gchar *str)
{
gint i;
for (i = 0; i < array->len; i++) {
gchar *tmp;
tmp = g_ptr_array_index(array, i);
if (strstr(tmp, str) != NULL)
return tmp;
}
return NULL;
}
static gchar *search_array_str(GPtrArray *array, const gchar *str)
{
gint i;
gint len;
len = strlen(str);
for (i = 0; i < array->len; i++) {
gchar *tmp;
tmp = g_ptr_array_index(array, i);
if (!strncmp(tmp, str, len))
return tmp;
}
return NULL;
}
static void imap_path_separator_subst(gchar *str, gchar separator)
{
gchar *p;
gboolean in_escape = FALSE;
if (!separator || separator == '/') return;
for (p = str; *p != '\0'; p++) {
if (*p == '/' && !in_escape)
*p = separator;
else if (*p == '&' && *(p + 1) != '-' && !in_escape)
in_escape = TRUE;
else if (*p == '-' && in_escape)
in_escape = FALSE;
}
}
static gchar *imap_modified_utf7_to_locale(const gchar *mutf7_str)
{
#if !HAVE_ICONV
const gchar *from_p;
gchar *to, *to_p;
to = g_malloc(strlen(mutf7_str) + 1);
to_p = to;
for (from_p = mutf7_str; *from_p != '\0'; from_p++) {
if (*from_p == '&' && *(from_p + 1) == '-') {
*to_p++ = '&';
from_p++;
} else
*to_p++ = *from_p;
}
*to_p = '\0';
return to;
#else
static iconv_t cd = (iconv_t)-1;
static gboolean iconv_ok = TRUE;
GString *norm_utf7;
gchar *norm_utf7_p;
size_t norm_utf7_len;
const gchar *p;
gchar *to_str, *to_p;
size_t to_len;
gboolean in_escape = FALSE;
if (!iconv_ok) return g_strdup(mutf7_str);
if (cd == (iconv_t)-1) {
cd = iconv_open(conv_get_current_charset_str(), "UTF-7");
if (cd == (iconv_t)-1) {
g_warning("iconv cannot convert UTF-7 to %s\n",
conv_get_current_charset_str());
iconv_ok = FALSE;
return g_strdup(mutf7_str);
}
}
norm_utf7 = g_string_new(NULL);
for (p = mutf7_str; *p != '\0'; p++) {
/* replace: '&' -> '+',
"&-" -> '&',
escaped ',' -> '/' */
if (!in_escape && *p == '&') {
if (*(p + 1) != '-') {
g_string_append_c(norm_utf7, '+');
in_escape = TRUE;
} else {
g_string_append_c(norm_utf7, '&');
p++;
}
} else if (in_escape && *p == ',') {
g_string_append_c(norm_utf7, '/');
} else if (in_escape && *p == '-') {
g_string_append_c(norm_utf7, '-');
in_escape = FALSE;
} else {
g_string_append_c(norm_utf7, *p);
}
}
norm_utf7_p = norm_utf7->str;
norm_utf7_len = norm_utf7->len;
to_len = strlen(mutf7_str) * 5;
to_p = to_str = g_malloc(to_len + 1);
if (iconv(cd, (ICONV_CONST gchar **)&norm_utf7_p, &norm_utf7_len,
&to_p, &to_len) == -1) {
g_warning(_("iconv cannot convert UTF-7 to %s\n"),
conv_get_current_charset_str());
g_string_free(norm_utf7, TRUE);
g_free(to_str);
return g_strdup(mutf7_str);
}
/* second iconv() call for flushing */
iconv(cd, NULL, NULL, &to_p, &to_len);
g_string_free(norm_utf7, TRUE);
*to_p = '\0';
return to_str;
#endif /* !HAVE_ICONV */
}
static gchar *imap_locale_to_modified_utf7(const gchar *from)
{
#if !HAVE_ICONV
const gchar *from_p;
gchar *to, *to_p;
to = g_malloc(strlen(from) * 2 + 1);
to_p = to;
for (from_p = from; *from_p != '\0'; from_p++) {
if (*from_p == '&') {
*to_p++ = '&';
*to_p++ = '-';
} else
*to_p++ = *from_p;
}
*to_p = '\0';
return to;
#else
static iconv_t cd = (iconv_t)-1;
static gboolean iconv_ok = TRUE;
gchar *norm_utf7, *norm_utf7_p;
size_t from_len, norm_utf7_len;
GString *to_str;
gchar *from_tmp, *to, *p;
gboolean in_escape = FALSE;
if (!iconv_ok) return g_strdup(from);
if (cd == (iconv_t)-1) {
cd = iconv_open("UTF-7", conv_get_current_charset_str());
if (cd == (iconv_t)-1) {
g_warning("iconv cannot convert %s to UTF-7\n",
conv_get_current_charset_str());
iconv_ok = FALSE;
return g_strdup(from);
}
}
Xstrdup_a(from_tmp, from, return g_strdup(from));
from_len = strlen(from);
norm_utf7_len = from_len * 5;
Xalloca(norm_utf7, norm_utf7_len + 1, return g_strdup(from));
norm_utf7_p = norm_utf7;
#define IS_PRINT(ch) (isprint(ch) && isascii(ch))
while (from_len > 0) {
if (*from_tmp == '+') {
*norm_utf7_p++ = '+';
*norm_utf7_p++ = '-';
norm_utf7_len -= 2;
from_tmp++;
from_len--;
} else if (IS_PRINT(*from_tmp)) {
/* printable ascii char */
*norm_utf7_p = *from_tmp;
norm_utf7_p++;
norm_utf7_len--;
from_tmp++;
from_len--;
} else {
size_t mb_len = 0, conv_len = 0;
/* unprintable char: convert to UTF-7 */
p = from_tmp;
while (!IS_PRINT(*p) && conv_len < from_len) {
mb_len = mblen(p, MB_LEN_MAX);
if (mb_len <= 0) {
g_warning("wrong multibyte sequence\n");
return g_strdup(from);
}
conv_len += mb_len;
p += mb_len;
}
from_len -= conv_len;
if (iconv(cd, (ICONV_CONST gchar **)&from_tmp,
&conv_len,
&norm_utf7_p, &norm_utf7_len) == -1) {
g_warning("iconv cannot convert %s to UTF-7\n",
conv_get_current_charset_str());
return g_strdup(from);
}
/* second iconv() call for flushing */
iconv(cd, NULL, NULL, &norm_utf7_p, &norm_utf7_len);
}
}
#undef IS_PRINT
*norm_utf7_p = '\0';
to_str = g_string_new(NULL);
for (p = norm_utf7; p < norm_utf7_p; p++) {
/* replace: '&' -> "&-",
'+' -> '&',
"+-" -> '+',
BASE64 '/' -> ',' */
if (!in_escape && *p == '&') {
g_string_append(to_str, "&-");
} else if (!in_escape && *p == '+') {
if (*(p + 1) == '-') {
g_string_append_c(to_str, '+');
p++;
} else {
g_string_append_c(to_str, '&');
in_escape = TRUE;
}
} else if (in_escape && *p == '/') {
g_string_append_c(to_str, ',');
} else if (in_escape && *p == '-') {
g_string_append_c(to_str, '-');
in_escape = FALSE;
} else {
g_string_append_c(to_str, *p);
}
}
if (in_escape) {
in_escape = FALSE;
g_string_append_c(to_str, '-');
}
to = to_str->str;
g_string_free(to_str, FALSE);
return to;
#endif /* !HAVE_ICONV */
}
static GSList *imap_get_seq_set_from_numlist(MsgNumberList *numlist)
{
GString *str;
GSList *sorted_list, *cur;
guint first, last, next;
gchar *ret_str;
GSList *ret_list = NULL;
if (numlist == NULL)
return NULL;
str = g_string_sized_new(256);
sorted_list = g_slist_copy(numlist);
sorted_list = g_slist_sort(sorted_list, g_int_compare);
first = GPOINTER_TO_INT(sorted_list->data);
for (cur = sorted_list; cur != NULL; cur = g_slist_next(cur)) {
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) {
if (str->len > 0)
g_string_append_c(str, ',');
if (first == last)
g_string_sprintfa(str, "%u", first);
else
g_string_sprintfa(str, "%u:%u", first, last);
first = next;
if (str->len > IMAP_CMD_LIMIT) {
ret_str = g_strdup(str->str);
ret_list = g_slist_append(ret_list, ret_str);
g_string_truncate(str, 0);
}
}
}
if (str->len > 0) {
ret_str = g_strdup(str->str);
ret_list = g_slist_append(ret_list, ret_str);
}
g_slist_free(sorted_list);
g_string_free(str, TRUE);
return ret_list;
}
static GSList *imap_get_seq_set_from_msglist(MsgInfoList *msglist)
{
MsgNumberList *numlist = NULL;
MsgInfoList *cur;
GSList *seq_list;
for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
MsgInfo *msginfo = (MsgInfo *) cur->data;
numlist = g_slist_append(numlist, GINT_TO_POINTER(msginfo->msgnum));
}
seq_list = imap_get_seq_set_from_numlist(numlist);
g_slist_free(numlist);
return seq_list;
}
static void imap_seq_set_free(GSList *seq_list)
{
slist_free_strings(seq_list);
g_slist_free(seq_list);
}
static gboolean imap_rename_folder_func(GNode *node, gpointer data)
{
FolderItem *item = node->data;
gchar **paths = data;
const gchar *oldpath = paths[0];
const gchar *newpath = paths[1];
gchar *base;
gchar *new_itempath;
gint oldpathlen;
oldpathlen = strlen(oldpath);
if (strncmp(oldpath, item->path, oldpathlen) != 0) {
g_warning("path doesn't match: %s, %s\n", oldpath, item->path);
return TRUE;
}
base = item->path + oldpathlen;
while (*base == G_DIR_SEPARATOR) base++;
if (*base == '\0')
new_itempath = g_strdup(newpath);
else
new_itempath = g_strconcat(newpath, G_DIR_SEPARATOR_S, base,
NULL);
g_free(item->path);
item->path = new_itempath;
return FALSE;
}
static gint get_list_of_uids(Folder *folder, IMAPFolderItem *item, GSList **msgnum_list)
{
gint ok, nummsgs = 0, lastuid_old;
IMAPSession *session;
GSList *uidlist, *elem;
gchar *cmd_buf;
session = imap_session_get(folder);
g_return_val_if_fail(session != NULL, -1);
ok = imap_select(session, IMAP_FOLDER(folder), item->item.path,
NULL, NULL, NULL, NULL);
if (ok != IMAP_SUCCESS)
return -1;
cmd_buf = g_strdup_printf("UID %d:*", item->lastuid + 1);
ok = imap_cmd_search(session, cmd_buf, &uidlist);
g_free(cmd_buf);
if (ok == IMAP_SOCKET) {
session_destroy((Session *)session);
((RemoteFolder *)folder)->session = NULL;
return -1;
}
if (ok != IMAP_SUCCESS) {
gint i;
GPtrArray *argbuf;
argbuf = g_ptr_array_new();
cmd_buf = g_strdup_printf("UID FETCH %d:* (UID)", item->lastuid + 1);
imap_gen_send(session, cmd_buf);
g_free(cmd_buf);
ok = imap_cmd_ok(session, argbuf);
if (ok != IMAP_SUCCESS) {
ptr_array_free_strings(argbuf);
g_ptr_array_free(argbuf, TRUE);
return -1;
}
for(i = 0; i < argbuf->len; i++) {
int ret, msgnum;
if((ret = sscanf(g_ptr_array_index(argbuf, i),
"%*d FETCH (UID %d)", &msgnum)) == 1)
uidlist = g_slist_prepend(uidlist, GINT_TO_POINTER(msgnum));
}
ptr_array_free_strings(argbuf);
g_ptr_array_free(argbuf, TRUE);
}
lastuid_old = item->lastuid;
*msgnum_list = g_slist_copy(item->uid_list);
nummsgs = g_slist_length(*msgnum_list);
debug_print("Got %d uids from cache\n", g_slist_length(item->uid_list));
for (elem = uidlist; elem != NULL; elem = g_slist_next(elem)) {
guint msgnum;
msgnum = GPOINTER_TO_INT(elem->data);
if (msgnum > lastuid_old) {
*msgnum_list = g_slist_prepend(*msgnum_list, GINT_TO_POINTER(msgnum));
item->uid_list = g_slist_prepend(item->uid_list, GINT_TO_POINTER(msgnum));
nummsgs++;
if(msgnum > item->lastuid)
item->lastuid = msgnum;
}
}
g_slist_free(uidlist);
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 ok, nummsgs = 0, exists, recent, uid_val, uid_next, unseen;
GSList *uidlist;
gchar *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->item.path != NULL, -1);
g_return_val_if_fail(FOLDER_CLASS(folder) == &imap_class, -1);
g_return_val_if_fail(folder->account != NULL, -1);
session = imap_session_get(folder);
g_return_val_if_fail(session != NULL, -1);
selected_folder = (session->mbox != NULL) &&
(!strcmp(session->mbox, item->item.path));
if (selected_folder) {
ok = imap_cmd_noop(session);
if (ok != IMAP_SUCCESS)
return -1;
exists = session->exists;
*old_uids_valid = TRUE;
} else {
ok = imap_status(session, IMAP_FOLDER(folder), item->item.path,
&exists, &recent, &uid_next, &uid_val, &unseen);
if (ok != IMAP_SUCCESS)
return -1;
if(item->item.mtime == uid_val)
*old_uids_valid = TRUE;
else {
*old_uids_valid = FALSE;
debug_print("Freeing imap uid cache\n");
item->lastuid = 0;
g_slist_free(item->uid_list);
item->uid_list = NULL;
item->item.mtime = uid_val;
imap_delete_all_cached_messages((FolderItem *)item);
}
}
if (!selected_folder)
item->uid_next = uid_next;
/* If old uid_next matches new uid_next we can be sure no message
was added to the folder */
if (( selected_folder && !session->folder_content_changed) ||
(!selected_folder && uid_next == item->uid_next)) {
nummsgs = g_slist_length(item->uid_list);
/* If number of messages is still the same we
know our caches message numbers are still valid,
otherwise if the number of messages has decrease
we discard our cache to start a new scan to find
out which numbers have been removed */
if (exists == nummsgs) {
*msgnum_list = g_slist_copy(item->uid_list);
return nummsgs;
} else if (exists < nummsgs) {
debug_print("Freeing imap uid cache");
item->lastuid = 0;
g_slist_free(item->uid_list);
item->uid_list = NULL;
}
}
if (exists == 0) {
*msgnum_list = NULL;
return 0;
}
nummsgs = get_list_of_uids(folder, item, &uidlist);
if (nummsgs != exists) {
/* Cache contains more messages then folder, we have cached
an old UID of a message that was removed and new messages
have been added too, otherwise the uid_next check would
not have failed */
debug_print("Freeing imap uid cache");
item->lastuid = 0;
g_slist_free(item->uid_list);
item->uid_list = NULL;
g_slist_free(*msgnum_list);
nummsgs = get_list_of_uids(folder, item, &uidlist);
}
*msgnum_list = uidlist;
dir = folder_item_get_path((FolderItem *)item);
debug_print("removing old messages from %s\n", dir);
remove_numbered_files_not_in_list(dir, *msgnum_list);
g_free(dir);
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 (item->stype == F_QUEUE) {
MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
} else if (item->stype == F_DRAFT) {
MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
}
msginfo = procheader_parse_file(file, flags, FALSE, FALSE);
if (!msginfo) return NULL;
msginfo->folder = item;
return msginfo;
}
GSList *imap_get_msginfos(Folder *folder, FolderItem *item, GSList *msgnum_list)
{
IMAPSession *session;
MsgInfoList *ret = NULL;
gint ok;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(item != NULL, NULL);
g_return_val_if_fail(msgnum_list != NULL, NULL);
session = imap_session_get(folder);
g_return_val_if_fail(session != NULL, NULL);
ok = imap_select(session, IMAP_FOLDER(folder), item->path,
NULL, NULL, NULL, NULL);
if (ok != IMAP_SUCCESS)
return NULL;
if (!(item->stype == F_QUEUE || item->stype == F_DRAFT)) {
ret = g_slist_concat(ret,
imap_get_uncached_messages(
session, item, msgnum_list));
} else {
MsgNumberList *sorted_list, *elem;
gint startnum, lastnum;
sorted_list = g_slist_sort(g_slist_copy(msgnum_list), g_int_compare);
startnum = lastnum = GPOINTER_TO_INT(sorted_list->data);
for (elem = sorted_list;; elem = g_slist_next(elem)) {
guint num;
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;
ret = g_slist_append(ret, msginfo);
}
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, recent = 0, unseen = 0;
guint32 uid_next, uid_val = 0;
gboolean selected_folder;
g_return_val_if_fail(folder != NULL, FALSE);
g_return_val_if_fail(item != NULL, FALSE);
g_return_val_if_fail(item->item.folder != NULL, FALSE);
g_return_val_if_fail(FOLDER_CLASS(item->item.folder) == &imap_class, FALSE);
if (item->item.path == NULL)
return FALSE;
session = imap_session_get(folder);
g_return_val_if_fail(session != NULL, FALSE);
selected_folder = (session->mbox != NULL) &&
(!strcmp(session->mbox, item->item.path));
if (selected_folder) {
ok = imap_cmd_noop(session);
if (ok != IMAP_SUCCESS)
return FALSE;
if (session->folder_content_changed)
return TRUE;
} else {
ok = imap_status(session, IMAP_FOLDER(folder), item->item.path,
&exists, &recent, &uid_next, &uid_val, &unseen);
if (ok != IMAP_SUCCESS)
return FALSE;
if ((uid_next != item->uid_next) || (exists < item->item.total_msgs))
return TRUE;
}
return FALSE;
}
void imap_change_flags(Folder *folder, FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
{
IMAPSession *session;
IMAPFlags flags_set = 0, flags_unset = 0;
gint ok = IMAP_SUCCESS;
MsgNumberList numlist;
g_return_if_fail(folder != NULL);
g_return_if_fail(folder->klass == &imap_class);
g_return_if_fail(item != NULL);
g_return_if_fail(item->folder == folder);
g_return_if_fail(msginfo != NULL);
g_return_if_fail(msginfo->folder == item);
session = imap_session_get(folder);
if (!session) return;
if ((ok = imap_select(session, IMAP_FOLDER(folder), msginfo->folder->path,
NULL, NULL, NULL, NULL)) != IMAP_SUCCESS)
return;
if (!MSG_IS_MARKED(msginfo->flags) && (newflags & MSG_MARKED))
flags_set |= IMAP_FLAG_FLAGGED;
if ( MSG_IS_MARKED(msginfo->flags) && !(newflags & MSG_MARKED))
flags_unset |= IMAP_FLAG_FLAGGED;
if (!MSG_IS_UNREAD(msginfo->flags) && (newflags & MSG_UNREAD))
flags_unset |= IMAP_FLAG_SEEN;
if ( MSG_IS_UNREAD(msginfo->flags) && !(newflags & MSG_UNREAD))
flags_set |= IMAP_FLAG_SEEN;
if (!MSG_IS_REPLIED(msginfo->flags) && (newflags & MSG_REPLIED))
flags_set |= IMAP_FLAG_ANSWERED;
if ( MSG_IS_REPLIED(msginfo->flags) && !(newflags & MSG_REPLIED))
flags_set |= IMAP_FLAG_ANSWERED;
numlist.next = NULL;
numlist.data = GINT_TO_POINTER(msginfo->msgnum);
if (flags_set) {
ok = imap_set_message_flags(session, &numlist, flags_set, TRUE);
if (ok != IMAP_SUCCESS) return;
}
if (flags_unset) {
ok = imap_set_message_flags(session, &numlist, flags_unset, FALSE);
if (ok != IMAP_SUCCESS) return;
}
msginfo->flags.perm_flags = newflags;
return;
}
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