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claws-mail/src/imap.c
Paul Mangan 3053381579 sync with sylpheed 0.6.2cvs8
2001-09-30 11:07:34 +00:00

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55 KiB
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/*
* Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
* Copyright (C) 1999-2001 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 <glib.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <dirent.h>
#include <unistd.h>
#include <ctype.h>
#include "intl.h"
#include "imap.h"
#include "socket.h"
#include "ssl.h"
#include "recv.h"
#include "procmsg.h"
#include "procheader.h"
#include "folder.h"
#include "statusbar.h"
#include "prefs_account.h"
#include "codeconv.h"
#include "utils.h"
#include "inputdialog.h"
#define IMAP4_PORT 143
#if USE_SSL
#define IMAPS_PORT 993
#endif
static GList *session_list = NULL;
static gint imap_cmd_count = 0;
static IMAPSession *imap_session_get (Folder *folder);
static gchar *imap_query_password (const gchar *server,
const gchar *user);
static void imap_scan_tree_recursive (IMAPSession *session,
FolderItem *item,
IMAPNameSpace *namespace);
static GSList *imap_parse_list (IMAPSession *session,
const gchar *path);
static gint imap_create_trash (Folder *folder);
static gint imap_do_copy (Folder *folder,
FolderItem *dest,
MsgInfo *msginfo,
gboolean remove_source);
static gint imap_do_copy_msgs_with_dest (Folder *folder,
FolderItem *dest,
GSList *msglist,
gboolean remove_source);
static GSList *imap_get_uncached_messages (IMAPSession *session,
FolderItem *item,
guint32 first_uid,
guint32 last_uid);
static GSList *imap_delete_cached_messages (GSList *mlist,
FolderItem *item,
guint32 first_uid,
guint32 last_uid);
static void imap_delete_all_cached_messages (FolderItem *item);
#if USE_SSL
static SockInfo *imap_open (const gchar *server,
gushort port,
gchar *buf,
gboolean use_ssl);
#else
static SockInfo *imap_open (const gchar *server,
gushort port,
gchar *buf);
#endif
static gint imap_set_message_flags (IMAPSession *session,
guint32 first_uid,
guint32 last_uid,
IMAPFlags flag,
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_get_uid (IMAPSession *session,
gint msgnum,
guint32 *uid);
static gint imap_status (IMAPSession *session,
IMAPFolder *folder,
const gchar *path,
gint *messages,
gint *recent,
gint *unseen,
guint32 *uid_validity);
static void imap_parse_namespace (IMAPSession *session,
IMAPFolder *folder);
static IMAPNameSpace *imap_find_namespace (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 gchar *imap_parse_one_address (SockInfo *sock,
gchar *start,
gchar *out_from_str,
gchar *out_fromname_str,
GString *str);
static gchar *imap_parse_address (SockInfo *sock,
gchar *start,
gchar **out_from_str,
gchar **out_fromname_str,
GString *str);
static MsgFlags imap_parse_flags (const gchar *flag_str);
static MsgInfo *imap_parse_envelope (SockInfo *sock,
GString *line_str);
/* low-level IMAP4rev1 commands */
static gint imap_cmd_login (SockInfo *sock,
const gchar *user,
const gchar *pass);
static gint imap_cmd_logout (SockInfo *sock);
static gint imap_cmd_noop (SockInfo *sock);
static gint imap_cmd_namespace (SockInfo *sock,
gchar **ns_str);
static gint imap_cmd_list (SockInfo *sock,
const gchar *ref,
const gchar *mailbox,
GPtrArray *argbuf);
static gint imap_cmd_do_select (SockInfo *sock,
const gchar *folder,
gboolean examine,
gint *exists,
gint *recent,
gint *unseen,
guint32 *uid_validity);
static gint imap_cmd_select (SockInfo *sock,
const gchar *folder,
gint *exists,
gint *recent,
gint *unseen,
guint32 *uid_validity);
static gint imap_cmd_examine (SockInfo *sock,
const gchar *folder,
gint *exists,
gint *recent,
gint *unseen,
guint32 *uid_validity);
static gint imap_cmd_create (SockInfo *sock,
const gchar *folder);
static gint imap_cmd_delete (SockInfo *sock,
const gchar *folder);
static gint imap_cmd_envelope (SockInfo *sock,
guint32 first_uid,
guint32 last_uid);
#if 0
static gint imap_cmd_search (SockInfo *sock,
GSList *numlist);
#endif
static gint imap_cmd_fetch (SockInfo *sock,
guint32 uid,
const gchar *filename);
static gint imap_cmd_append (SockInfo *sock,
const gchar *destfolder,
const gchar *file);
static gint imap_cmd_copy (SockInfo *sock,
guint32 uid,
const gchar *destfolder);
static gint imap_cmd_store (SockInfo *sock,
guint32 first_uid,
guint32 last_uid,
gchar *sub_cmd);
static gint imap_cmd_expunge (SockInfo *sock);
static gint imap_cmd_ok (SockInfo *sock,
GPtrArray *argbuf);
static void imap_cmd_gen_send (SockInfo *sock,
const gchar *format, ...);
static gint imap_cmd_gen_recv (SockInfo *sock,
gchar *buf,
gint size);
/* 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,
gchar *str);
static void imap_path_separator_subst (gchar *str,
gchar separator);
static IMAPSession *imap_session_get(Folder *folder)
{
RemoteFolder *rfolder = REMOTE_FOLDER(folder);
gushort port;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(folder->type == F_IMAP, NULL);
g_return_val_if_fail(folder->account != NULL, NULL);
#if USE_SSL
port = folder->account->set_imapport ? folder->account->imapport
: folder->account->ssl_imap ? IMAPS_PORT : IMAP4_PORT;
#else
port = folder->account->set_imapport ? folder->account->imapport
: IMAP4_PORT;
#endif
if (!rfolder->session) {
rfolder->session =
#if USE_SSL
imap_session_new(folder->account->recv_server, port,
folder->account->userid,
folder->account->passwd,
folder->account->ssl_imap);
#else
imap_session_new(folder->account->recv_server, port,
folder->account->userid,
folder->account->passwd);
#endif
if (rfolder->session)
imap_parse_namespace(IMAP_SESSION(rfolder->session),
IMAP_FOLDER(folder));
statusbar_pop_all();
return IMAP_SESSION(rfolder->session);
}
if (imap_cmd_noop(rfolder->session->sock) != IMAP_SUCCESS) {
log_warning(_("IMAP4 connection to %s:%d has been"
" disconnected. Reconnecting...\n"),
folder->account->recv_server, port);
session_destroy(rfolder->session);
rfolder->session =
#if USE_SSL
imap_session_new(folder->account->recv_server, port,
folder->account->userid,
folder->account->passwd,
folder->account->ssl_imap);
#else
imap_session_new(folder->account->recv_server, port,
folder->account->userid,
folder->account->passwd);
#endif
if (rfolder->session)
imap_parse_namespace(IMAP_SESSION(rfolder->session),
IMAP_FOLDER(folder));
}
statusbar_pop_all();
return IMAP_SESSION(rfolder->session);
}
static gchar *imap_query_password(const gchar *server, const gchar *user)
{
gchar *message;
gchar *pass;
message = g_strdup_printf(_("Input password for %s on %s:"),
user, server);
pass = input_dialog_with_invisible(_("Input password"), message, NULL);
g_free(message);
return pass;
}
#if USE_SSL
Session *imap_session_new(const gchar *server, gushort port,
const gchar *user, const gchar *pass,
gboolean use_ssl)
#else
Session *imap_session_new(const gchar *server, gushort port,
const gchar *user, const gchar *pass)
#endif
{
gchar buf[IMAPBUFSIZE];
IMAPSession *session;
SockInfo *imap_sock;
g_return_val_if_fail(server != NULL, NULL);
g_return_val_if_fail(user != NULL, NULL);
if (!pass) {
gchar *tmp_pass;
tmp_pass = imap_query_password(server, user);
if (!tmp_pass)
return NULL;
Xstrdup_a(pass, tmp_pass, {g_free(tmp_pass); return NULL;});
g_free(tmp_pass);
}
log_message(_("creating IMAP4 connection to %s:%d ...\n"),
server, port);
#if USE_SSL
if ((imap_sock = imap_open(server, port, buf, use_ssl)) == NULL)
#else
if ((imap_sock = imap_open(server, port, buf)) == NULL)
#endif
return NULL;
if (imap_cmd_login(imap_sock, user, pass) != IMAP_SUCCESS) {
imap_cmd_logout(imap_sock);
sock_close(imap_sock);
return NULL;
}
session = g_new(IMAPSession, 1);
SESSION(session)->type = SESSION_IMAP;
SESSION(session)->server = g_strdup(server);
SESSION(session)->sock = imap_sock;
SESSION(session)->connected = TRUE;
SESSION(session)->phase = SESSION_READY;
SESSION(session)->data = NULL;
session->mbox = NULL;
session_list = g_list_append(session_list, session);
return SESSION(session);
}
void imap_session_destroy(IMAPSession *session)
{
sock_close(SESSION(session)->sock);
SESSION(session)->sock = NULL;
g_free(session->mbox);
session_list = g_list_remove(session_list, session);
}
void imap_session_destroy_all(void)
{
while (session_list != NULL) {
IMAPSession *session = (IMAPSession *)session_list->data;
imap_cmd_logout(SESSION(session)->sock);
imap_session_destroy(session);
}
}
#define THROW goto catch
GSList *imap_get_msg_list(Folder *folder, FolderItem *item, gboolean use_cache)
{
GSList *mlist = NULL;
IMAPSession *session;
gint ok, exists = 0, recent = 0, unseen = 0;
guint32 uid_validity = 0;
guint32 first_uid = 0, last_uid = 0, begin;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(item != NULL, NULL);
g_return_val_if_fail(folder->type == F_IMAP, NULL);
g_return_val_if_fail(folder->account != NULL, NULL);
session = imap_session_get(folder);
if (!session) {
mlist = procmsg_read_cache(item, FALSE);
item->last_num = procmsg_get_last_num_in_cache(mlist);
procmsg_set_flags(mlist, item);
statusbar_pop_all();
return mlist;
}
ok = imap_select(session, IMAP_FOLDER(folder), item->path,
&exists, &recent, &unseen, &uid_validity);
if (ok != IMAP_SUCCESS) THROW;
if (exists > 0) {
ok = imap_get_uid(session, 1, &first_uid);
if (ok != IMAP_SUCCESS) THROW;
if (1 != exists) {
ok = imap_get_uid(session, exists, &last_uid);
if (ok != IMAP_SUCCESS) THROW;
} else
last_uid = first_uid;
} else {
imap_delete_all_cached_messages(item);
statusbar_pop_all();
return NULL;
}
if (use_cache) {
guint32 cache_last;
mlist = procmsg_read_cache(item, FALSE);
procmsg_set_flags(mlist, item);
cache_last = procmsg_get_last_num_in_cache(mlist);
/* calculating the range of envelope to get */
if (item->mtime != uid_validity) {
/* mailbox is changed (get all) */
begin = first_uid;
} else if (last_uid < cache_last) {
/* mailbox is changed (get all) */
begin = first_uid;
} else if (last_uid == cache_last) {
/* mailbox unchanged (get none)*/
begin = 0;
} else {
begin = cache_last + 1;
}
item->mtime = uid_validity;
if (first_uid > 0 && last_uid > 0) {
mlist = imap_delete_cached_messages(mlist, item,
0, first_uid - 1);
mlist = imap_delete_cached_messages(mlist, item,
last_uid + 1,
UINT_MAX);
}
if (begin > 0)
mlist = imap_delete_cached_messages(mlist, item,
begin, UINT_MAX);
} else {
imap_delete_all_cached_messages(item);
begin = first_uid;
}
if (begin > 0 && begin <= last_uid) {
GSList *newlist;
newlist = imap_get_uncached_messages(session, item,
begin, last_uid);
mlist = g_slist_concat(mlist, newlist);
}
item->last_num = last_uid;
catch:
statusbar_pop_all();
return mlist;
}
#undef THROW
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;
}
debug_print(_("getting message %d...\n"), uid);
ok = imap_cmd_fetch(SESSION(session)->sock, (guint32)uid, filename);
statusbar_pop_all();
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,
gboolean remove_source)
{
IMAPSession *session;
gint ok;
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(dest != NULL, -1);
g_return_val_if_fail(file != NULL, -1);
session = imap_session_get(folder);
if (!session)
return -1;
ok = imap_cmd_append(SESSION(session)->sock, dest->path, file);
if (ok != IMAP_SUCCESS) {
g_warning(_("can't append message %s\n"), file);
return -1;
}
if (remove_source) {
if (unlink(file) < 0)
FILE_OP_ERROR(file, "unlink");
}
return dest->last_num;
}
static gint imap_do_copy(Folder *folder, FolderItem *dest, MsgInfo *msginfo,
gboolean remove_source)
{
gchar *destdir;
IMAPSession *session;
gint ok;
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(folder->type == F_IMAP, -1);
g_return_val_if_fail(dest != NULL, -1);
g_return_val_if_fail(msginfo != NULL, -1);
session = imap_session_get(folder);
if (!session) return -1;
if (msginfo->folder == dest) {
g_warning(_("the src folder is identical to the dest.\n"));
return -1;
}
destdir = imap_get_real_path(IMAP_FOLDER(folder), dest->path);
if (remove_source)
debug_print(_("Moving message %s%c%d to %s ...\n"),
msginfo->folder->path, G_DIR_SEPARATOR,
msginfo->msgnum, destdir);
else
debug_print(_("Copying message %s%c%d to %s ...\n"),
msginfo->folder->path, G_DIR_SEPARATOR,
msginfo->msgnum, destdir);
ok = imap_cmd_copy(SESSION(session)->sock, msginfo->msgnum, destdir);
if (ok == IMAP_SUCCESS && remove_source) {
imap_set_message_flags(session, msginfo->msgnum, msginfo->msgnum,
IMAP_FLAG_DELETED, TRUE);
ok = imap_cmd_expunge(SESSION(session)->sock);
}
g_free(destdir);
statusbar_pop_all();
return ok;
}
static gint imap_do_copy_msgs_with_dest(Folder *folder, FolderItem *dest,
GSList *msglist,
gboolean remove_source)
{
gchar *destdir;
GSList *cur;
MsgInfo *msginfo;
IMAPSession *session;
gint ok;
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;
destdir = imap_get_real_path(IMAP_FOLDER(folder), dest->path);
for (cur = msglist; cur != NULL; cur = cur->next) {
msginfo = (MsgInfo *)cur->data;
if (msginfo->folder == dest) {
g_warning(_("the src folder is identical to the dest.\n"));
continue;
}
if (remove_source)
debug_print(_("Moving message %s%c%d to %s ...\n"),
msginfo->folder->path, G_DIR_SEPARATOR,
msginfo->msgnum, destdir);
else
debug_print(_("Copying message %s%c%d to %s ...\n"),
msginfo->folder->path, G_DIR_SEPARATOR,
msginfo->msgnum, destdir);
ok = imap_cmd_copy(SESSION(session)->sock, msginfo->msgnum,
destdir);
if (ok == IMAP_SUCCESS && remove_source) {
imap_set_message_flags
(session, msginfo->msgnum, msginfo->msgnum,
IMAP_FLAG_DELETED, TRUE);
}
}
if (remove_source)
ok = imap_cmd_expunge(SESSION(session)->sock);
g_free(destdir);
statusbar_pop_all();
return IMAP_SUCCESS;
}
gint imap_move_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
{
return imap_do_copy(folder, dest, msginfo, TRUE);
}
gint imap_move_msgs_with_dest(Folder *folder, FolderItem *dest,
GSList *msglist)
{
return imap_do_copy_msgs_with_dest(folder, dest, msglist, TRUE);
}
gint imap_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
{
return imap_do_copy(folder, dest, msginfo, FALSE);
}
gint imap_copy_msgs_with_dest(Folder *folder, FolderItem *dest,
GSList *msglist)
{
return imap_do_copy_msgs_with_dest(folder, dest, msglist, FALSE);
}
gint imap_remove_msg(Folder *folder, FolderItem *item, gint uid)
{
gint exists, recent, unseen;
guint32 uid_validity;
gint ok;
IMAPSession *session;
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(folder->type == F_IMAP, -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,
&exists, &recent, &unseen, &uid_validity);
statusbar_pop_all();
if (ok != IMAP_SUCCESS)
return ok;
ok = imap_set_message_flags
(IMAP_SESSION(REMOTE_FOLDER(folder)->session),
(guint32)uid, (guint32)uid, IMAP_FLAG_DELETED, TRUE);
statusbar_pop_all();
if (ok != IMAP_SUCCESS) {
log_warning(_("can't set deleted flags: %d\n"), uid);
return ok;
}
ok = imap_cmd_expunge(SESSION(session)->sock);
statusbar_pop_all();
if (ok != IMAP_SUCCESS) {
log_warning(_("can't expunge\n"));
return ok;
}
return IMAP_SUCCESS;
}
gint imap_remove_all_msg(Folder *folder, FolderItem *item)
{
gint exists, recent, unseen;
guint32 uid_validity;
gint ok;
IMAPSession *session;
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,
&exists, &recent, &unseen, &uid_validity);
statusbar_pop_all();
if (ok != IMAP_SUCCESS)
return ok;
if (exists == 0)
return IMAP_SUCCESS;
imap_cmd_gen_send(SESSION(session)->sock,
"STORE 1:%d +FLAGS (\\Deleted)", exists);
ok = imap_cmd_ok(SESSION(session)->sock, NULL);
statusbar_pop_all();
if (ok != IMAP_SUCCESS) {
log_warning(_("can't set deleted flags: 1:%d\n"), exists);
return ok;
}
ok = imap_cmd_expunge(SESSION(session)->sock);
statusbar_pop_all();
if (ok != IMAP_SUCCESS) {
log_warning(_("can't expunge\n"));
return ok;
}
return IMAP_SUCCESS;
}
void imap_scan_folder(Folder *folder, FolderItem *item)
{
IMAPSession *session;
gint messages, recent, unseen;
guint32 uid_validity;
gint ok;
g_return_if_fail(folder != NULL);
g_return_if_fail(item != NULL);
session = imap_session_get(folder);
if (!session) return;
ok = imap_status(session, IMAP_FOLDER(folder), item->path,
&messages, &recent, &unseen, &uid_validity);
statusbar_pop_all();
if (ok != IMAP_SUCCESS) return;
item->new = recent;
item->unread = unseen;
item->total = messages;
/* item->mtime = uid_validity; */
}
void imap_scan_tree(Folder *folder)
{
IMAPFolder *imapfolder = IMAP_FOLDER(folder);
FolderItem *item, *inbox;
IMAPSession *session;
IMAPNameSpace *namespace = NULL;
gchar *root_folder = NULL;
g_return_if_fail(folder != NULL);
g_return_if_fail(folder->account != NULL);
session = imap_session_get(folder);
if (!session) return;
if (imapfolder->namespace && imapfolder->namespace->data)
namespace = (IMAPNameSpace *)imapfolder->namespace->data;
if (folder->account->imap_dir && *folder->account->imap_dir) {
gchar *imap_dir;
Xstrdup_a(imap_dir, folder->account->imap_dir, return);
strtailchomp(imap_dir, '/');
root_folder = g_strconcat
(namespace && namespace->name ? namespace->name : "",
imap_dir, NULL);
if (namespace && namespace->separator)
subst_char(root_folder, namespace->separator, '/');
}
if (root_folder)
debug_print("IMAP root directory: %s\n", root_folder);
folder_tree_destroy(folder);
item = folder_item_new(folder->name, root_folder);
item->folder = folder;
folder->node = g_node_new(item);
g_free(root_folder);
imap_scan_tree_recursive(session, item, namespace);
if (!folder->inbox) {
inbox = folder_item_new("INBOX", "INBOX");
inbox->stype = F_INBOX;
folder_item_append(item, inbox);
folder->inbox = inbox;
}
if (!folder->trash)
imap_create_trash(folder);
}
static void imap_scan_tree_recursive(IMAPSession *session,
FolderItem *item,
IMAPNameSpace *namespace)
{
IMAPFolder *imapfolder;
FolderItem *new_item;
GSList *item_list, *cur;
gchar *real_path;
g_return_if_fail(item != NULL);
g_return_if_fail(item->folder != NULL);
g_return_if_fail(item->no_sub == FALSE);
imapfolder = IMAP_FOLDER(item->folder);
if (item->folder->ui_func)
item->folder->ui_func(item->folder, item,
item->folder->ui_func_data);
if (item->path) {
real_path = imap_get_real_path(imapfolder, item->path);
imap_cmd_gen_send(SESSION(session)->sock, "LIST \"\" %s%c%%",
real_path,
namespace && namespace->separator
? namespace->separator : '/');
} else {
real_path = g_strdup(namespace && namespace->name
? namespace->name : "");
imap_cmd_gen_send(SESSION(session)->sock, "LIST \"\" %s%%",
real_path);
}
strtailchomp(real_path, namespace && namespace->separator
? namespace->separator : '/');
item_list = imap_parse_list(session, real_path);
for (cur = item_list; cur != NULL; cur = cur->next) {
new_item = cur->data;
if (!strcmp(new_item->path, "INBOX")) {
if (!item->folder->inbox) {
new_item->stype = F_INBOX;
item->folder->inbox = new_item;
} else {
folder_item_destroy(new_item);
continue;
}
} else if (!item->parent && !item->folder->trash) {
if (!strcasecmp(g_basename(new_item->path), "Trash")) {
new_item->stype = F_TRASH;
item->folder->trash = new_item;
}
}
folder_item_append(item, new_item);
if (new_item->no_select == FALSE)
imap_scan_folder(new_item->folder, new_item);
if (new_item->no_sub == FALSE)
imap_scan_tree_recursive(session, new_item, namespace);
}
}
static GSList *imap_parse_list(IMAPSession *session, const gchar *path)
{
gchar buf[IMAPBUFSIZE];
gchar flags[256];
gchar separator[16];
gchar *p;
gchar *name;
GSList *item_list = NULL;
GString *str;
FolderItem *new_item;
debug_print("getting list of %s ...\n", *path ? path : "\"\"");
str = g_string_new(NULL);
for (;;) {
if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) <= 0) {
log_warning(_("error occured 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, sizeof(separator));
if (!p) continue;
extract_quote(separator, '"');
if (!strcmp(separator, "NIL"))
separator[0] = '\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[0]);
if (buf[0] == '\0') continue;
if (!strcmp(buf, path)) continue;
if (separator[0] != '\0')
subst_char(buf, separator[0], '/');
name = g_basename(buf);
if (name[0] == '.') continue;
new_item = folder_item_new(name, buf);
if (strcasestr(flags, "\\Noinferiors") != NULL)
new_item->no_sub = TRUE;
if (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", buf);
}
g_string_free(str, TRUE);
statusbar_pop_all();
return item_list;
}
gint imap_create_tree(Folder *folder)
{
FolderItem *item;
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);
item = FOLDER_ITEM(folder->node->data);
if (!folder->inbox) {
FolderItem *inbox;
inbox = folder_item_new("INBOX", "INBOX");
inbox->stype = F_INBOX;
folder_item_append(item, inbox);
folder->inbox = inbox;
}
if (!folder->trash)
imap_create_trash(folder);
return 0;
}
static gint imap_create_trash(Folder *folder)
{
IMAPFolder *imapfolder = IMAP_FOLDER(folder);
FolderItem *item;
FolderItem *new_item;
gchar *trash_path;
gchar *imap_dir = "";
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);
if (folder->account->imap_dir && *folder->account->imap_dir) {
gchar *tmpdir;
Xstrdup_a(tmpdir, folder->account->imap_dir, return -1);
strtailchomp(tmpdir, '/');
Xalloca(imap_dir, strlen(tmpdir) + 2, return -1);
g_snprintf(imap_dir, strlen(tmpdir) + 2, "%s%c", tmpdir, '/');
}
if (imapfolder->namespace && imapfolder->namespace->data) {
IMAPNameSpace *namespace =
(IMAPNameSpace *)imapfolder->namespace->data;
if (*namespace->name != '\0') {
gchar *name;
Xstrdup_a(name, namespace->name, return -1);
subst_char(name, namespace->separator, '/');
trash_path = g_strconcat(name, imap_dir, "Trash", NULL);
} else
trash_path = g_strconcat(imap_dir, "Trash", NULL);
} else
trash_path = g_strconcat(imap_dir, "Trash", NULL);
item = FOLDER_ITEM(folder->node->data);
new_item = imap_create_folder(folder, item, trash_path);
if (!new_item) {
gchar *path;
new_item = folder_item_new("Trash", trash_path);
folder_item_append(item, new_item);
path = folder_item_get_path(new_item);
if (!is_dir_exist(path))
make_dir_hier(path);
g_free(path);
} else {
g_free(new_item->name);
new_item->name = g_strdup("Trash");
}
new_item->stype = F_TRASH;
folder->trash = new_item;
g_free(trash_path);
return 0;
}
FolderItem *imap_create_folder(Folder *folder, FolderItem *parent,
const gchar *name)
{
gchar *dirpath, *imappath;
IMAPSession *session;
IMAPNameSpace *namespace;
FolderItem *new_item;
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->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);
Xstrdup_a(imappath, dirpath, {g_free(dirpath); return NULL;});
Xstrdup_a(new_name, name, {g_free(dirpath); return NULL;});
namespace = imap_find_namespace(IMAP_FOLDER(folder), imappath);
if (namespace && namespace->separator) {
imap_path_separator_subst(imappath, namespace->separator);
imap_path_separator_subst(new_name, namespace->separator);
strtailchomp(new_name, namespace->separator);
}
strtailchomp(dirpath, '/');
if (strcmp(name, "INBOX") != 0) {
GPtrArray *argbuf;
gint i;
gboolean exist = FALSE;
argbuf = g_ptr_array_new();
ok = imap_cmd_list(SESSION(session)->sock, NULL, imappath,
argbuf);
statusbar_pop_all();
if (ok != IMAP_SUCCESS) {
log_warning(_("can't create mailbox: LIST failed\n"));
g_free(dirpath);
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;
}
}
g_ptr_array_free(argbuf, TRUE);
if (!exist) {
ok = imap_cmd_create(SESSION(session)->sock, imappath);
statusbar_pop_all();
if (ok != IMAP_SUCCESS) {
log_warning(_("can't create mailbox\n"));
g_free(dirpath);
return NULL;
}
}
}
new_item = folder_item_new(new_name, dirpath);
folder_item_append(parent, new_item);
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_remove_folder(Folder *folder, FolderItem *item)
{
gint ok;
IMAPSession *session;
gchar *path;
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(session)->sock, "INBOX",
&exists, &recent, &unseen, &uid_validity);
statusbar_pop_all();
if (ok != IMAP_SUCCESS) {
g_free(path);
return -1;
}
ok = imap_cmd_delete(SESSION(session)->sock, path);
statusbar_pop_all();
if (ok != IMAP_SUCCESS) {
log_warning(_("can't delete mailbox\n"));
g_free(path);
return -1;
}
g_free(path);
folder_item_remove(item);
return 0;
}
static GSList *imap_get_uncached_messages(IMAPSession *session,
FolderItem *item,
guint32 first_uid, guint32 last_uid)
{
gchar *tmp;
GSList *newlist = NULL;
GSList *llast = NULL;
GString *str;
MsgInfo *msginfo;
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(item->folder->type == F_IMAP, NULL);
g_return_val_if_fail(first_uid <= last_uid, NULL);
if (imap_cmd_envelope(SESSION(session)->sock, first_uid, last_uid)
!= IMAP_SUCCESS) {
log_warning(_("can't get envelope\n"));
return NULL;
}
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);
return newlist;
}
strretchomp(tmp);
log_print("IMAP4< %s\n", tmp);
if (tmp[0] != '*' || tmp[1] != ' ') {
g_free(tmp);
break;
}
g_string_assign(str, tmp);
g_free(tmp);
msginfo = imap_parse_envelope(SESSION(session)->sock, str);
if (!msginfo) {
log_warning(_("can't parse envelope: %s\n"), str->str);
continue;
}
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);
return newlist;
}
static GSList *imap_delete_cached_messages(GSList *mlist, FolderItem *item,
guint32 first_uid, guint32 last_uid)
{
GSList *cur, *next;
MsgInfo *msginfo;
gchar *dir;
g_return_val_if_fail(item != NULL, mlist);
g_return_val_if_fail(item->folder != NULL, mlist);
g_return_val_if_fail(item->folder->type == F_IMAP, mlist);
debug_print(_("Deleting cached messages %d - %d ... "),
first_uid, last_uid);
dir = folder_item_get_path(item);
remove_numbered_files(dir, first_uid, last_uid);
g_free(dir);
for (cur = mlist; cur != NULL; ) {
next = cur->next;
msginfo = (MsgInfo *)cur->data;
if (msginfo != NULL && first_uid <= msginfo->msgnum &&
msginfo->msgnum <= last_uid) {
procmsg_msginfo_free(msginfo);
mlist = g_slist_remove(mlist, msginfo);
}
cur = next;
}
debug_print(_("done.\n"));
return mlist;
}
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(item->folder->type == F_IMAP);
debug_print(_("Deleting all cached messages... "));
dir = folder_item_get_path(item);
remove_all_numbered_files(dir);
g_free(dir);
debug_print(_("done.\n"));
}
#if USE_SSL
static SockInfo *imap_open(const gchar *server, gushort port, gchar *buf,
gboolean use_ssl)
#else
static SockInfo *imap_open(const gchar *server, gushort port, gchar *buf)
#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_SSL
if (use_ssl && !ssl_init_socket(sock)) {
sock_close(sock);
return NULL;
}
#endif
imap_cmd_count = 0;
if (imap_cmd_noop(sock) != IMAP_SUCCESS) {
sock_close(sock);
return NULL;
}
return sock;
}
#define THROW goto catch
static void imap_parse_namespace(IMAPSession *session, IMAPFolder *folder)
{
gchar *ns_str;
gchar *name;
gchar *separator;
gchar *p;
IMAPNameSpace *namespace;
GList *ns_list = NULL;
g_return_if_fail(session != NULL);
g_return_if_fail(folder != NULL);
if (folder->namespace != NULL) return;
if (imap_cmd_namespace(SESSION(session)->sock, &ns_str)
!= IMAP_SUCCESS) {
log_warning(_("can't get namespace\n"));
return;
}
/* get the first element */
extract_one_parenthesis_with_skip_quote(ns_str, '"', '(', ')');
g_strstrip(ns_str);
p = ns_str;
while (*p != '\0') {
/* parse ("#foo" "/") */
while (*p && *p != '(') p++;
if (*p == '\0') THROW;
p++;
while (*p && *p != '"') p++;
if (*p == '\0') THROW;
p++;
name = p;
while (*p && *p != '"') p++;
if (*p == '\0') THROW;
*p = '\0';
p++;
while (*p && isspace(*p)) p++;
if (*p == '\0') THROW;
if (strncmp(p, "NIL", 3) == 0)
separator = NULL;
else if (*p == '"') {
p++;
separator = p;
while (*p && *p != '"') p++;
if (*p == '\0') THROW;
*p = '\0';
p++;
} else THROW;
while (*p && *p != ')') p++;
if (*p == '\0') THROW;
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);
IMAP_FOLDER(folder)->namespace = ns_list;
}
catch:
g_free(ns_str);
return;
}
#undef THROW
static IMAPNameSpace *imap_find_namespace(IMAPFolder *folder,
const gchar *path)
{
IMAPNameSpace *namespace = NULL;
GList *ns_list;
gchar *name;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(path != NULL, NULL);
ns_list = folder->namespace;
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(path, name, strlen(name)) == 0)
namespace = tmp_ns;
}
return namespace;
}
static gchar *imap_get_real_path(IMAPFolder *folder, const gchar *path)
{
gchar *real_path;
IMAPNameSpace *namespace;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(path != NULL, NULL);
real_path = g_strdup(path);
namespace = imap_find_namespace(folder, path);
if (namespace && namespace->separator)
imap_path_separator_subst(real_path, namespace->separator);
return real_path;
}
static gchar *imap_parse_atom(SockInfo *sock, gchar *src,
gchar *dest, gint dest_len, GString *str)
{
gchar *cur_pos = src;
g_return_val_if_fail(str != NULL, cur_pos);
while (*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;
gchar *nextline;
cur_pos = strchr_cpy(cur_pos + 1, '}', buf, sizeof(buf));
len = atoi(buf);
if ((nextline = sock_getline(sock)) == NULL)
return cur_pos;
strretchomp(nextline);
log_print("IMAP4< %s\n", nextline);
g_string_assign(str, nextline);
len = MIN(len, strlen(nextline));
memcpy(dest, nextline, MIN(len, dest_len - 1));
dest[MIN(len, dest_len - 1)] = '\0';
cur_pos = str->str + len;
}
return cur_pos;
}
static gchar *imap_parse_one_address(SockInfo *sock, gchar *start,
gchar *out_from_str,
gchar *out_fromname_str,
GString *str)
{
gchar buf[IMAPBUFSIZE];
gchar *userid;
gchar *domain;
gchar *cur_pos = start;
cur_pos = imap_parse_atom(sock, cur_pos, buf, sizeof(buf), str);
conv_unmime_header(out_fromname_str, IMAPBUFSIZE, buf, NULL);
cur_pos = imap_parse_atom(sock, cur_pos, buf, sizeof(buf), str);
cur_pos = imap_parse_atom(sock, cur_pos, buf, sizeof(buf), str);
Xstrdup_a(userid, buf, return cur_pos + 1);
cur_pos = imap_parse_atom(sock, cur_pos, buf, sizeof(buf), str);
Xstrdup_a(domain, buf, return cur_pos + 1);
if (out_fromname_str[0] != '\0') {
g_snprintf(out_from_str, IMAPBUFSIZE, "\"%s\" <%s@%s>",
out_fromname_str, userid, domain);
} else {
g_snprintf(out_from_str, IMAPBUFSIZE, "%s@%s",
userid, domain);
strcpy(out_fromname_str, out_from_str);
}
while (*cur_pos == ' ') cur_pos++;
g_return_val_if_fail(*cur_pos == ')', NULL);
return cur_pos + 1;
}
static gchar *imap_parse_address(SockInfo *sock, gchar *start,
gchar **out_from_str,
gchar **out_fromname_str,
GString *str)
{
gchar buf[IMAPBUFSIZE];
gchar name_buf[IMAPBUFSIZE];
gchar *cur_pos = start;
GString *addr_str;
if (out_from_str) *out_from_str = NULL;
if (out_fromname_str) *out_fromname_str = NULL;
buf[0] = name_buf[0] = '\0';
if (!strncmp(cur_pos, "NIL", 3)) {
if (out_from_str) *out_from_str = g_strdup("");
if (out_fromname_str) *out_fromname_str = g_strdup("");
return cur_pos + 3;
}
g_return_val_if_fail(*cur_pos == '(', NULL);
cur_pos++;
addr_str = g_string_new(NULL);
for (;;) {
gchar ch = *cur_pos++;
if (ch == ')') break;
if (ch == '(') {
cur_pos = imap_parse_one_address
(sock, cur_pos, buf, name_buf, str);
if (!cur_pos) {
g_string_free(addr_str, TRUE);
return NULL;
}
if (addr_str->str[0] != '\0')
g_string_append(addr_str, ", ");
g_string_append(addr_str, buf);
}
}
if (out_from_str) *out_from_str = g_strdup(addr_str->str);
if (out_fromname_str) *out_fromname_str = g_strdup(name_buf);
g_string_free(addr_str, TRUE);
return cur_pos;
}
static MsgFlags imap_parse_flags(const gchar *flag_str)
{
const gchar *p = flag_str;
MsgFlags flags;
flags.perm_flags = MSG_UNREAD;
flags.tmp_flags = MSG_IMAP;
while ((p = strchr(p, '\\')) != NULL) {
p++;
if (g_strncasecmp(p, "Recent", 6) == 0) {
MSG_SET_PERM_FLAGS(flags, MSG_NEW|MSG_UNREAD);
} 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);
}
}
return flags;
}
static MsgInfo *imap_parse_envelope(SockInfo *sock, GString *line_str)
{
MsgInfo *msginfo;
gchar buf[IMAPBUFSIZE];
gchar tmp[IMAPBUFSIZE];
gchar *cur_pos;
gint msgnum;
guint32 uid = 0;
size_t size = 0;
gchar *date = NULL;
time_t date_t = 0;
gchar *subject = NULL;
gchar *tmp_from;
gchar *tmp_fromname;
gchar *from = NULL;
gchar *fromname = NULL;
gchar *tmp_to;
gchar *to = NULL;
gchar *inreplyto = NULL;
gchar *msgid = NULL;
MsgFlags 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);
cur_pos = line_str->str + 2;
#define PARSE_ONE_ELEMENT(ch) \
{ \
cur_pos = strchr_cpy(cur_pos, ch, buf, sizeof(buf)); \
g_return_val_if_fail(cur_pos != NULL, 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;
g_return_val_if_fail(*cur_pos == '(', NULL);
cur_pos++;
PARSE_ONE_ELEMENT(')');
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, "ENVELOPE ", 9)) {
cur_pos += 9;
g_return_val_if_fail(*cur_pos == '(', NULL);
cur_pos = imap_parse_atom
(sock, cur_pos + 1, buf, sizeof(buf), line_str);
Xstrdup_a(date, buf, return NULL);
date_t = procheader_date_parse(NULL, date, 0);
cur_pos = imap_parse_atom
(sock, cur_pos, buf, sizeof(buf), line_str);
if (buf[0] != '\0') {
conv_unmime_header(tmp, sizeof(tmp), buf, NULL);
Xstrdup_a(subject, tmp, return NULL);
}
g_return_val_if_fail(*cur_pos == ' ', NULL);
cur_pos = imap_parse_address(sock, cur_pos + 1,
&tmp_from, &tmp_fromname,
line_str);
Xstrdup_a(from, tmp_from,
{g_free(tmp_from); g_free(tmp_fromname);
return NULL;});
Xstrdup_a(fromname, tmp_fromname,
{g_free(tmp_from); g_free(tmp_fromname);
return NULL;});
g_free(tmp_from);
g_free(tmp_fromname);
#define SKIP_ONE_ELEMENT() \
{ \
g_return_val_if_fail(*cur_pos == ' ', NULL); \
cur_pos = imap_parse_address(sock, cur_pos + 1, NULL, NULL, \
line_str); \
}
/* skip sender and reply-to */
SKIP_ONE_ELEMENT();
SKIP_ONE_ELEMENT();
g_return_val_if_fail(*cur_pos == ' ', NULL);
cur_pos = imap_parse_address(sock, cur_pos + 1,
&tmp_to, NULL, line_str);
Xstrdup_a(to, tmp_to, {g_free(tmp_to); return NULL;});
g_free(tmp_to);
/* skip Cc and Bcc */
SKIP_ONE_ELEMENT();
SKIP_ONE_ELEMENT();
#undef SKIP_ONE_ELEMENT
g_return_val_if_fail(*cur_pos == ' ', NULL);
cur_pos = imap_parse_atom
(sock, cur_pos, buf, sizeof(buf), line_str);
if (buf[0] != '\0') {
eliminate_parenthesis(buf, '(', ')');
extract_parenthesis(buf, '<', '>');
remove_space(buf);
Xstrdup_a(inreplyto, buf, return NULL);
}
g_return_val_if_fail(*cur_pos == ' ', NULL);
cur_pos = imap_parse_atom
(sock, cur_pos, buf, sizeof(buf), line_str);
if (buf[0] != '\0') {
extract_parenthesis(buf, '<', '>');
remove_space(buf);
Xstrdup_a(msgid, buf, return NULL);
}
g_return_val_if_fail(*cur_pos == ')', NULL);
cur_pos++;
} else {
g_warning("invalid FETCH response: %s\n", cur_pos);
break;
}
}
msginfo = g_new0(MsgInfo, 1);
msginfo->msgnum = uid;
msginfo->size = size;
msginfo->date = g_strdup(date);
msginfo->date_t = date_t;
msginfo->subject = g_strdup(subject);
msginfo->from = g_strdup(from);
msginfo->fromname = g_strdup(fromname);
msginfo->to = g_strdup(to);
msginfo->inreplyto = g_strdup(inreplyto);
msginfo->msgid = g_strdup(msgid);
msginfo->flags = flags;
return msginfo;
}
static gint imap_set_message_flags(IMAPSession *session,
guint32 first_uid,
guint32 last_uid,
IMAPFlags flags,
gboolean is_set)
{
GString *buf;
gint ok;
buf = g_string_new(is_set ? "+FLAGS (" : "-FLAGS (");
if (IMAP_IS_SEEN(flags)) g_string_append(buf, "\\Seen ");
if (IMAP_IS_ANSWERED(flags)) g_string_append(buf, "\\Answered ");
if (IMAP_IS_FLAGGED(flags)) g_string_append(buf, "\\Flagged ");
if (IMAP_IS_DELETED(flags)) g_string_append(buf, "\\Deleted ");
if (IMAP_IS_DRAFT(flags)) g_string_append(buf, "\\Draft");
if (buf->str[buf->len - 1] == ' ')
g_string_truncate(buf, buf->len - 1);
g_string_append_c(buf, ')');
ok = imap_cmd_store(SESSION(session)->sock, first_uid, last_uid,
buf->str);
g_string_free(buf, TRUE);
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;
real_path = imap_get_real_path(folder, path);
ok = imap_cmd_select(SESSION(session)->sock, real_path,
exists, recent, unseen, uid_validity);
if (ok != IMAP_SUCCESS)
log_warning(_("can't select folder: %s\n"), real_path);
g_free(real_path);
return ok;
}
#define THROW(err) { ok = err; goto catch; }
static gint imap_get_uid(IMAPSession *session, gint msgnum, guint32 *uid)
{
gint ok;
GPtrArray *argbuf;
gchar *str;
gint num;
*uid = 0;
argbuf = g_ptr_array_new();
imap_cmd_gen_send(SESSION(session)->sock, "FETCH %d (UID)", msgnum);
if ((ok = imap_cmd_ok(SESSION(session)->sock, argbuf)) != IMAP_SUCCESS)
THROW(ok);
str = search_array_contain_str(argbuf, "FETCH");
if (!str) THROW(IMAP_ERROR);
if (sscanf(str, "%d FETCH (UID %d)", &num, uid) != 2 ||
num != msgnum) {
g_warning("imap_get_uid(): invalid FETCH line.\n");
THROW(IMAP_ERROR);
}
catch:
ptr_array_free_strings(argbuf);
g_ptr_array_free(argbuf, TRUE);
return ok;
}
#define QUOTE_IF_REQUIRED(out, str) \
{ \
if (*str != '"' && strchr(str, ' ')) { \
gint len; \
len = strlen(str) + 3; \
Xalloca(out, len, return IMAP_ERROR); \
g_snprintf(out, len, "\"%s\"", str); \
} else { \
Xstrdup_a(out, str, return IMAP_ERROR); \
} \
}
static gint imap_status(IMAPSession *session, IMAPFolder *folder,
const gchar *path,
gint *messages, gint *recent, gint *unseen,
guint32 *uid_validity)
{
gchar *real_path;
gchar *real_path_;
gint ok;
GPtrArray *argbuf;
gchar *str;
*messages = *recent = *unseen = *uid_validity = 0;
argbuf = g_ptr_array_new();
real_path = imap_get_real_path(folder, path);
QUOTE_IF_REQUIRED(real_path_, real_path);
imap_cmd_gen_send(SESSION(session)->sock, "STATUS %s "
"(MESSAGES RECENT UNSEEN UIDVALIDITY)", real_path_);
ok = imap_cmd_ok(SESSION(session)->sock, argbuf);
if (ok != IMAP_SUCCESS) THROW(ok);
str = search_array_contain_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, "UNSEEN ", 7)) {
str += 7;
*unseen = strtol(str, &str, 10);
} else if (!strncmp(str, "UIDVALIDITY ", 12)) {
str += 12;
*uid_validity = strtoul(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
/* low-level IMAP4rev1 commands */
static gint imap_cmd_login(SockInfo *sock,
const gchar *user, const gchar *pass)
{
gchar *user_, *pass_;
gint ok;
QUOTE_IF_REQUIRED(user_, user);
QUOTE_IF_REQUIRED(pass_, pass);
imap_cmd_gen_send(sock, "LOGIN %s %s", user_, pass_);
ok = imap_cmd_ok(sock, NULL);
if (ok != IMAP_SUCCESS)
log_warning(_("IMAP4 login failed.\n"));
return ok;
}
static gint imap_cmd_logout(SockInfo *sock)
{
imap_cmd_gen_send(sock, "LOGOUT");
return imap_cmd_ok(sock, NULL);
}
static gint imap_cmd_noop(SockInfo *sock)
{
imap_cmd_gen_send(sock, "NOOP");
return imap_cmd_ok(sock, NULL);
}
#define THROW(err) { ok = err; goto catch; }
static gint imap_cmd_namespace(SockInfo *sock, gchar **ns_str)
{
gint ok;
GPtrArray *argbuf;
gchar *str;
argbuf = g_ptr_array_new();
imap_cmd_gen_send(sock, "NAMESPACE");
if ((ok = imap_cmd_ok(sock, argbuf)) != IMAP_SUCCESS) THROW(ok);
str = search_array_contain_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(SockInfo *sock, 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_cmd_gen_send(sock, "LIST %s %s", ref_, mailbox_);
return imap_cmd_ok(sock, argbuf);
}
#define THROW goto catch
static gint imap_cmd_do_select(SockInfo *sock, 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_cmd_gen_send(sock, "%s %s", select_cmd, folder_);
if ((ok = imap_cmd_ok(sock, 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(SockInfo *sock, const gchar *folder,
gint *exists, gint *recent, gint *unseen,
guint32 *uid_validity)
{
return imap_cmd_do_select(sock, folder, FALSE,
exists, recent, unseen, uid_validity);
}
static gint imap_cmd_examine(SockInfo *sock, const gchar *folder,
gint *exists, gint *recent, gint *unseen,
guint32 *uid_validity)
{
return imap_cmd_do_select(sock, folder, TRUE,
exists, recent, unseen, uid_validity);
}
#undef THROW
static gint imap_cmd_create(SockInfo *sock, const gchar *folder)
{
gchar *folder_;
QUOTE_IF_REQUIRED(folder_, folder);
imap_cmd_gen_send(sock, "CREATE %s", folder_);
return imap_cmd_ok(sock, NULL);
}
static gint imap_cmd_delete(SockInfo *sock, const gchar *folder)
{
gchar *folder_;
QUOTE_IF_REQUIRED(folder_, folder);
imap_cmd_gen_send(sock, "DELETE %s", folder_);
return imap_cmd_ok(sock, NULL);
}
static gint imap_cmd_fetch(SockInfo *sock, guint32 uid, const gchar *filename)
{
gint ok;
gchar buf[IMAPBUFSIZE];
gchar *cur_pos;
gchar size_str[32];
glong size_num;
g_return_val_if_fail(filename != NULL, IMAP_ERROR);
imap_cmd_gen_send(sock, "UID FETCH %d BODY[]", uid);
if (sock_gets(sock, buf, sizeof(buf)) < 0)
return IMAP_ERROR;
strretchomp(buf);
if (buf[0] != '*' || buf[1] != ' ')
return IMAP_ERROR;
log_print("IMAP4< %s\n", buf);
cur_pos = strchr(buf, '{');
g_return_val_if_fail(cur_pos != NULL, IMAP_ERROR);
cur_pos = strchr_cpy(cur_pos + 1, '}', size_str, sizeof(size_str));
g_return_val_if_fail(cur_pos != NULL, IMAP_ERROR);
size_num = atol(size_str);
if (*cur_pos != '\0') return IMAP_ERROR;
if (recv_bytes_write_to_file(sock, size_num, filename) != 0)
return IMAP_ERROR;
if (imap_cmd_gen_recv(sock, buf, sizeof(buf)) != IMAP_SUCCESS)
return IMAP_ERROR;
if (buf[0] == '\0' || buf[strlen(buf) - 1] != ')')
return IMAP_ERROR;
ok = imap_cmd_ok(sock, NULL);
return ok;
}
static gint imap_cmd_append(SockInfo *sock, const gchar *destfolder,
const gchar *file)
{
gint ok;
gint size;
g_return_val_if_fail(file != NULL, IMAP_ERROR);
size = get_file_size(file);
imap_cmd_gen_send(sock, "APPEND %s {%d}", destfolder, size);
ok = imap_cmd_ok(sock, NULL);
if (ok != IMAP_SUCCESS) {
log_warning(_("can't append %s to %s\n"), file, destfolder);
return -1;
}
return ok;
}
static gint imap_cmd_copy(SockInfo *sock, guint32 uid, const gchar *destfolder)
{
gint ok;
gchar *destfolder_;
g_return_val_if_fail(destfolder != NULL, IMAP_ERROR);
QUOTE_IF_REQUIRED(destfolder_, destfolder);
imap_cmd_gen_send(sock, "UID COPY %d %s", uid, destfolder_);
ok = imap_cmd_ok(sock, NULL);
if (ok != IMAP_SUCCESS) {
log_warning(_("can't copy %d to %s\n"), uid, destfolder_);
return -1;
}
return ok;
}
gint imap_cmd_envelope(SockInfo *sock, guint32 first_uid, guint32 last_uid)
{
imap_cmd_gen_send
(sock, "UID FETCH %d:%d (UID FLAGS RFC822.SIZE ENVELOPE)",
first_uid, last_uid);
return IMAP_SUCCESS;
}
static gint imap_cmd_store(SockInfo *sock, guint32 first_uid, guint32 last_uid,
gchar *sub_cmd)
{
gint ok;
imap_cmd_gen_send(sock, "UID STORE %d:%d %s",
first_uid, last_uid, sub_cmd);
if ((ok = imap_cmd_ok(sock, NULL)) != IMAP_SUCCESS) {
log_warning(_("error while imap command: STORE %d:%d %s\n"),
first_uid, last_uid, sub_cmd);
return ok;
}
return IMAP_SUCCESS;
}
static gint imap_cmd_expunge(SockInfo *sock)
{
gint ok;
imap_cmd_gen_send(sock, "EXPUNGE");
if ((ok = imap_cmd_ok(sock, NULL)) != IMAP_SUCCESS) {
log_warning(_("error while imap command: EXPUNGE\n"));
return ok;
}
return IMAP_SUCCESS;
}
static gint imap_cmd_ok(SockInfo *sock, GPtrArray *argbuf)
{
gint ok;
gchar buf[IMAPBUFSIZE];
gint cmd_num;
gchar cmd_status[IMAPBUFSIZE];
while ((ok = imap_cmd_gen_recv(sock, buf, sizeof(buf)))
== IMAP_SUCCESS) {
if (buf[0] == '*' && buf[1] == ' ') {
if (argbuf)
g_ptr_array_add(argbuf, g_strdup(buf + 2));
continue;
}
if (sscanf(buf, "%d %s", &cmd_num, cmd_status) < 2)
return IMAP_ERROR;
else if (cmd_num == imap_cmd_count &&
!strcmp(cmd_status, "OK")) {
if (argbuf)
g_ptr_array_add(argbuf, g_strdup(buf));
return IMAP_SUCCESS;
} else
return IMAP_ERROR;
}
return ok;
}
static void imap_cmd_gen_send(SockInfo *sock, const gchar *format, ...)
{
gchar buf[IMAPBUFSIZE];
gchar tmp[IMAPBUFSIZE];
gchar *p;
va_list args;
va_start(args, format);
g_vsnprintf(tmp, sizeof(tmp), format, args);
va_end(args);
imap_cmd_count++;
g_snprintf(buf, sizeof(buf), "%d %s\r\n", imap_cmd_count, tmp);
if (!strncasecmp(tmp, "LOGIN ", 6) && (p = strchr(tmp + 6, ' '))) {
*p = '\0';
log_print("IMAP4> %d %s ********\n", imap_cmd_count, tmp);
} else
log_print("IMAP4> %d %s\n", imap_cmd_count, tmp);
sock_write(sock, buf, strlen(buf));
}
static gint imap_cmd_gen_recv(SockInfo *sock, gchar *buf, gint size)
{
if (sock_gets(sock, buf, size) == -1)
return IMAP_SOCKET;
strretchomp(buf);
log_print("IMAP4< %s\n", buf);
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, 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 void imap_path_separator_subst(gchar *str, gchar separator)
{
if (separator && separator != '/')
subst_char(str, '/', separator);
}
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