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claws-mail/src/mh.c
Ricardo Mones fbba86572f Fix warning about what directory cannot be open
2016-07-20 09:13:59 +02:00

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/*
* Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
* Copyright (C) 1999-2013 Hiroyuki Yamamoto and the Claws Mail team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#include "claws-features.h"
#endif
#include "defs.h"
#include <glib.h>
#include <glib/gi18n.h>
#include <dirent.h>
#include <sys/stat.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <time.h>
#include "folder.h"
#include "folder_item_prefs.h"
#include "mh.h"
#include "procmsg.h"
#include "procheader.h"
#include "utils.h"
#include "codeconv.h"
#include "statusbar.h"
#include "gtkutils.h"
#include "timing.h"
#include "msgcache.h"
/* Define possible missing constants for Windows. */
#ifdef G_OS_WIN32
# ifndef S_IRGRP
# define S_IRGRP 0
# define S_IWGRP 0
# endif
# ifndef S_IROTH
# define S_IROTH 0
# define S_IWOTH 0
# endif
#endif
static void mh_folder_init (Folder *folder,
const gchar *name,
const gchar *path);
static Folder *mh_folder_new (const gchar *name,
const gchar *path);
static void mh_folder_destroy (Folder *folder);
static gchar *mh_fetch_msg (Folder *folder,
FolderItem *item,
gint num);
static MsgInfo *mh_get_msginfo (Folder *folder,
FolderItem *item,
gint num);
static gint mh_add_msg (Folder *folder,
FolderItem *dest,
const gchar *file,
MsgFlags *flags);
static gint mh_add_msgs (Folder *folder,
FolderItem *dest,
GSList *file_list,
GHashTable *relation);
static gint mh_copy_msg (Folder *folder,
FolderItem *dest,
MsgInfo *msginfo);
static gint mh_copy_msgs (Folder *folder,
FolderItem *dest,
MsgInfoList *msglist,
GHashTable *relation);
static gint mh_remove_msg (Folder *folder,
FolderItem *item,
gint num);
static gint mh_remove_msgs (Folder *folder,
FolderItem *item,
MsgInfoList *msglist,
GHashTable *relation);
static gint mh_remove_all_msg (Folder *folder,
FolderItem *item);
static gboolean mh_is_msg_changed (Folder *folder,
FolderItem *item,
MsgInfo *msginfo);
static gint mh_get_num_list (Folder *folder,
FolderItem *item,
GSList **list,
gboolean *old_uids_valid);
static gint mh_scan_tree (Folder *folder);
static gint mh_create_tree (Folder *folder);
static FolderItem *mh_create_folder (Folder *folder,
FolderItem *parent,
const gchar *name);
static gint mh_rename_folder (Folder *folder,
FolderItem *item,
const gchar *name);
static gint mh_remove_folder (Folder *folder,
FolderItem *item);
static gchar *mh_get_new_msg_filename (FolderItem *dest);
static MsgInfo *mh_parse_msg (const gchar *file,
FolderItem *item);
static void mh_remove_missing_folder_items (Folder *folder);
static gchar *mh_filename_from_utf8 (const gchar *path);
static gchar *mh_filename_to_utf8 (const gchar *path);
static void mh_scan_tree_recursive (FolderItem *item);
static gboolean mh_rename_folder_func (GNode *node,
gpointer data);
static gchar *mh_item_get_path (Folder *folder,
FolderItem *item);
static gboolean mh_scan_required (Folder *folder,
FolderItem *item);
static void mh_set_mtime (Folder *folder,
FolderItem *item);
static int mh_item_close (Folder *folder,
FolderItem *item);
#if 0
static gint mh_get_flags (Folder *folder, FolderItem *item,
MsgInfoList *msginfo_list, GHashTable *msgflags);
#endif
static void mh_write_sequences (FolderItem *item, gboolean remove_unseen);
static FolderClass mh_class;
FolderClass *mh_get_class(void)
{
if (mh_class.idstr == NULL) {
mh_class.type = F_MH;
mh_class.idstr = "mh";
mh_class.uistr = "MH";
mh_class.supports_server_search = FALSE;
/* Folder functions */
mh_class.new_folder = mh_folder_new;
mh_class.destroy_folder = mh_folder_destroy;
mh_class.set_xml = folder_local_set_xml;
mh_class.get_xml = folder_local_get_xml;
mh_class.scan_tree = mh_scan_tree;
mh_class.create_tree = mh_create_tree;
/* FolderItem functions */
mh_class.item_get_path = mh_item_get_path;
mh_class.create_folder = mh_create_folder;
mh_class.rename_folder = mh_rename_folder;
mh_class.remove_folder = mh_remove_folder;
mh_class.get_num_list = mh_get_num_list;
mh_class.scan_required = mh_scan_required;
mh_class.set_mtime = mh_set_mtime;
mh_class.close = mh_item_close;
mh_class.get_flags = NULL; /*mh_get_flags */;
/* Message functions */
mh_class.get_msginfo = mh_get_msginfo;
mh_class.fetch_msg = mh_fetch_msg;
mh_class.add_msg = mh_add_msg;
mh_class.add_msgs = mh_add_msgs;
mh_class.copy_msg = mh_copy_msg;
mh_class.copy_msgs = mh_copy_msgs;
mh_class.search_msgs = folder_item_search_msgs_local;
mh_class.remove_msg = mh_remove_msg;
mh_class.remove_msgs = mh_remove_msgs;
mh_class.remove_all_msg = mh_remove_all_msg;
mh_class.is_msg_changed = mh_is_msg_changed;
}
return &mh_class;
}
static Folder *mh_folder_new(const gchar *name, const gchar *path)
{
Folder *folder;
folder = (Folder *)g_new0(MHFolder, 1);
folder->klass = &mh_class;
mh_folder_init(folder, name, path);
return folder;
}
static void mh_folder_destroy(Folder *folder)
{
folder_local_folder_destroy(LOCAL_FOLDER(folder));
}
static void mh_folder_init(Folder *folder, const gchar *name, const gchar *path)
{
folder_local_folder_init(folder, name, path);
}
gboolean mh_scan_required(Folder *folder, FolderItem *item)
{
gchar *path;
GStatBuf s;
path = folder_item_get_path(item);
cm_return_val_if_fail(path != NULL, FALSE);
if (g_stat(path, &s) < 0) {
FILE_OP_ERROR(path, "stat");
g_free(path);
return FALSE;
}
if ((s.st_mtime > item->mtime) &&
(s.st_mtime - 3600 != item->mtime)) {
debug_print("MH scan required, folder updated: %s (%ld > %ld)\n",
path?path:"(null)",
(long int) s.st_mtime,
(long int) item->mtime);
g_free(path);
return TRUE;
}
debug_print("MH scan not required: %s (%ld <= %ld)\n",
path?path:"(null)",
(long int) s.st_mtime,
(long int) item->mtime);
g_free(path);
return FALSE;
}
static void mh_get_last_num(Folder *folder, FolderItem *item)
{
gchar *path, *fullpath;
GDir *dp;
const gchar *d;
GError *error = NULL;
gint max = 0;
gint num;
cm_return_if_fail(item != NULL);
debug_print("mh_get_last_num(): Scanning %s ...\n", item->path?item->path:"(null)");
path = folder_item_get_path(item);
cm_return_if_fail(path != NULL);
if ((dp = g_dir_open(path, 0, &error)) == NULL) {
g_warning("Couldn't open directory '%s': %s (%d)",
path, error->message, error->code);
g_error_free(error);
g_free(path);
return;
}
while ((d = g_dir_read_name(dp)) != NULL) {
fullpath = g_strconcat(path, G_DIR_SEPARATOR_S, d, NULL);
if ((num = to_number(d)) > 0 &&
g_file_test(fullpath, G_FILE_TEST_IS_REGULAR)) {
if (max < num)
max = num;
}
g_free(fullpath);
if (num % 2000 == 0)
GTK_EVENTS_FLUSH();
}
g_dir_close(dp);
g_free(path);
debug_print("Last number in dir %s = %d\n", item->path?item->path:"(null)", max);
item->last_num = max;
}
gint mh_get_num_list(Folder *folder, FolderItem *item, GSList **list, gboolean *old_uids_valid)
{
gchar *path;
GDir *dp;
const gchar *d;
GError *error = NULL;
gint num, nummsgs = 0;
cm_return_val_if_fail(item != NULL, -1);
debug_print("mh_get_num_list(): Scanning %s ...\n", item->path?item->path:"(null)");
*old_uids_valid = TRUE;
path = folder_item_get_path(item);
cm_return_val_if_fail(path != NULL, -1);
if ((dp = g_dir_open(path, 0, &error)) == NULL) {
g_message("Couldn't open current directory: %s (%d).\n",
error->message, error->code);
g_error_free(error);
g_free(path);
return -1;
}
g_free(path);
while ((d = g_dir_read_name(dp)) != NULL) {
if ((num = to_number(d)) > 0) {
*list = g_slist_prepend(*list, GINT_TO_POINTER(num));
nummsgs++;
}
}
g_dir_close(dp);
mh_set_mtime(folder, item);
return nummsgs;
}
static gchar *mh_fetch_msg(Folder *folder, FolderItem *item, gint num)
{
gchar *path;
gchar *file;
cm_return_val_if_fail(item != NULL, NULL);
cm_return_val_if_fail(num > 0, NULL);
path = folder_item_get_path(item);
file = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
if (!is_file_exist(file)) {
g_free(file);
g_free(path);
return NULL;
}
g_free(path);
return file;
}
static MsgInfo *mh_get_msginfo(Folder *folder, FolderItem *item, gint num)
{
MsgInfo *msginfo;
gchar *file;
cm_return_val_if_fail(item != NULL, NULL);
if (num <= 0)
return NULL;
file = mh_fetch_msg(folder, item, num);
if (!file) return NULL;
msginfo = mh_parse_msg(file, item);
if (msginfo)
msginfo->msgnum = num;
g_free(file);
return msginfo;
}
static gchar *mh_get_new_msg_filename(FolderItem *dest)
{
gchar *destfile;
gchar *destpath;
destpath = folder_item_get_path(dest);
cm_return_val_if_fail(destpath != NULL, NULL);
if (dest->last_num < 0) {
mh_get_last_num(dest->folder, dest);
if (dest->last_num < 0) return NULL;
}
if (!is_dir_exist(destpath))
make_dir_hier(destpath);
for (;;) {
destfile = g_strdup_printf("%s%c%d", destpath, G_DIR_SEPARATOR,
dest->last_num + 1);
if (is_file_entry_exist(destfile)) {
dest->last_num++;
g_free(destfile);
} else
break;
}
g_free(destpath);
return destfile;
}
static gint mh_add_msg(Folder *folder, FolderItem *dest, const gchar *file, MsgFlags *flags)
{
gint ret;
GSList file_list;
MsgFileInfo fileinfo;
cm_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 = mh_add_msgs(folder, dest, &file_list, NULL);
return ret;
}
static gint mh_add_msgs(Folder *folder, FolderItem *dest, GSList *file_list,
GHashTable *relation)
{
gchar *destfile;
GSList *cur;
MsgFileInfo *fileinfo;
cm_return_val_if_fail(dest != NULL, -1);
cm_return_val_if_fail(file_list != NULL, -1);
if (dest->last_num < 0) {
mh_get_last_num(folder, dest);
if (dest->last_num < 0) return -1;
}
for (cur = file_list; cur != NULL; cur = cur->next) {
fileinfo = (MsgFileInfo *)cur->data;
destfile = mh_get_new_msg_filename(dest);
if (destfile == NULL) return -1;
#ifdef G_OS_UNIX
if (link(fileinfo->file, destfile) < 0) {
#endif
if (copy_file(fileinfo->file, destfile, TRUE) < 0) {
g_warning("can't copy message %s to %s",
fileinfo->file, destfile);
g_free(destfile);
return -1;
}
#ifdef G_OS_UNIX
}
#endif
if (relation != NULL)
g_hash_table_insert(relation, fileinfo, GINT_TO_POINTER(dest->last_num + 1));
g_free(destfile);
dest->last_num++;
}
mh_write_sequences(dest, TRUE);
return dest->last_num;
}
static gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
{
GSList msglist;
cm_return_val_if_fail(msginfo != NULL, -1);
msglist.data = msginfo;
msglist.next = NULL;
return mh_copy_msgs(folder, dest, &msglist, NULL);
}
static gint mh_copy_msgs(Folder *folder, FolderItem *dest, MsgInfoList *msglist,
GHashTable *relation)
{
gboolean dest_need_scan = FALSE;
gboolean src_need_scan = FALSE;
FolderItem *src = NULL;
gchar *srcfile;
gchar *destfile;
FolderItemPrefs *prefs;
MsgInfo *msginfo = NULL;
MsgInfoList *cur = NULL;
gint curnum = 0, total = 0;
gchar *srcpath = NULL;
gboolean full_fetch = FALSE;
time_t last_dest_mtime = (time_t)0;
time_t last_src_mtime = (time_t)0;
cm_return_val_if_fail(dest != NULL, -1);
cm_return_val_if_fail(msglist != NULL, -1);
msginfo = (MsgInfo *)msglist->data;
cm_return_val_if_fail(msginfo != NULL, -1);
if (msginfo->folder == dest) {
g_warning("the src folder is identical to the dest.");
return -1;
}
if (msginfo->folder->folder != dest->folder)
full_fetch = TRUE;
if (FOLDER_TYPE(msginfo->folder->folder) == F_MH) {
src = msginfo->folder;
}
if (dest->last_num < 0) {
mh_get_last_num(folder, dest);
if (dest->last_num < 0) return -1;
}
prefs = dest->prefs;
srcpath = folder_item_get_path(msginfo->folder);
dest_need_scan = mh_scan_required(dest->folder, dest);
last_dest_mtime = dest->mtime;
if (src) {
src_need_scan = mh_scan_required(src->folder, src);
last_src_mtime = src->mtime;
}
total = g_slist_length(msglist);
if (total > 100) {
if (MSG_IS_MOVE(msginfo->flags))
statusbar_print_all(_("Moving messages..."));
else
statusbar_print_all(_("Copying messages..."));
}
for (cur = msglist; cur; cur = cur->next) {
msginfo = (MsgInfo *)cur->data;
if (!msginfo) {
goto err_reset_status;
}
if (!full_fetch) {
srcfile = g_strconcat(srcpath,
G_DIR_SEPARATOR_S,
itos(msginfo->msgnum), NULL);
} else {
srcfile = procmsg_get_message_file(msginfo);
}
if (!srcfile) {
goto err_reset_status;
}
destfile = mh_get_new_msg_filename(dest);
if (!destfile) {
g_free(srcfile);
goto err_reset_status;
}
if (total > 100) {
statusbar_progress_all(curnum, total, 100);
if (curnum % 100 == 0)
GTK_EVENTS_FLUSH();
curnum++;
}
debug_print("Copying message %s%c%d to %s ...\n",
msginfo->folder->path, G_DIR_SEPARATOR,
msginfo->msgnum, dest->path);
if (MSG_IS_MOVE(msginfo->flags)) {
msginfo->flags.tmp_flags &= ~MSG_MOVE_DONE;
if (move_file(srcfile, destfile, TRUE) < 0) {
FILE_OP_ERROR(srcfile, "move");
if (copy_file(srcfile, destfile, TRUE) < 0) {
FILE_OP_ERROR(srcfile, "copy");
g_free(srcfile);
g_free(destfile);
goto err_reset_status;
}
} else {
/* say unlinking's not necessary */
msginfo->flags.tmp_flags |= MSG_MOVE_DONE;
}
} else if (copy_file(srcfile, destfile, TRUE) < 0) {
FILE_OP_ERROR(srcfile, "copy");
g_free(srcfile);
g_free(destfile);
goto err_reset_status;
}
if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
if (chmod(destfile, prefs->folder_chmod) < 0)
FILE_OP_ERROR(destfile, "chmod");
}
if (relation) {
if (g_hash_table_lookup(relation, msginfo) != NULL)
g_warning("already in: %p", msginfo);
g_hash_table_insert(relation, msginfo, GINT_TO_POINTER(dest->last_num+1));
}
g_free(srcfile);
g_free(destfile);
dest->last_num++;
}
g_free(srcpath);
mh_write_sequences(dest, TRUE);
if (dest->mtime == last_dest_mtime && !dest_need_scan) {
mh_set_mtime(folder, dest);
}
if (src && src->mtime == last_src_mtime && !src_need_scan) {
mh_set_mtime(folder, src);
}
if (total > 100) {
statusbar_progress_all(0,0,0);
statusbar_pop_all();
}
return dest->last_num;
err_reset_status:
g_free(srcpath);
mh_write_sequences(dest, TRUE);
if (total > 100) {
statusbar_progress_all(0,0,0);
statusbar_pop_all();
}
return -1;
}
static gint mh_remove_msg(Folder *folder, FolderItem *item, gint num)
{
gboolean need_scan = FALSE;
time_t last_mtime = (time_t)0;
gchar *file;
cm_return_val_if_fail(item != NULL, -1);
file = mh_fetch_msg(folder, item, num);
cm_return_val_if_fail(file != NULL, -1);
need_scan = mh_scan_required(folder, item);
last_mtime = item->mtime;
if (claws_unlink(file) < 0) {
FILE_OP_ERROR(file, "unlink");
g_free(file);
return -1;
}
if (item->mtime == last_mtime && !need_scan) {
mh_set_mtime(folder, item);
}
g_free(file);
return 0;
}
static gint mh_remove_msgs(Folder *folder, FolderItem *item,
MsgInfoList *msglist, GHashTable *relation)
{
gboolean need_scan = FALSE;
gchar *path, *file;
time_t last_mtime = (time_t)0;
MsgInfoList *cur;
gint total = 0, curnum = 0;
cm_return_val_if_fail(item != NULL, -1);
path = folder_item_get_path(item);
need_scan = mh_scan_required(folder, item);
last_mtime = item->mtime;
total = g_slist_length(msglist);
if (total > 100) {
statusbar_print_all(_("Deleting messages..."));
}
for (cur = msglist; cur; cur = cur->next) {
MsgInfo *msginfo = (MsgInfo *)cur->data;
if (msginfo == NULL)
continue;
if (MSG_IS_MOVE(msginfo->flags) && MSG_IS_MOVE_DONE(msginfo->flags)) {
msginfo->flags.tmp_flags &= ~MSG_MOVE_DONE;
continue;
}
if (total > 100) {
statusbar_progress_all(curnum, total, 100);
if (curnum % 100 == 0)
GTK_EVENTS_FLUSH();
curnum++;
}
file = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msginfo->msgnum), NULL);
if (file == NULL)
continue;
if (claws_unlink(file) < 0) {
g_free(file);
continue;
}
g_free(file);
}
if (total > 100) {
statusbar_progress_all(0,0,0);
statusbar_pop_all();
}
if (item->mtime == last_mtime && !need_scan) {
mh_set_mtime(folder, item);
}
g_free(path);
return 0;
}
static gint mh_remove_all_msg(Folder *folder, FolderItem *item)
{
gchar *path;
gint val;
cm_return_val_if_fail(item != NULL, -1);
path = folder_item_get_path(item);
cm_return_val_if_fail(path != NULL, -1);
val = remove_all_numbered_files(path);
g_free(path);
mh_write_sequences(item, TRUE);
return val;
}
static gboolean mh_is_msg_changed(Folder *folder, FolderItem *item,
MsgInfo *msginfo)
{
GStatBuf s;
gchar *path;
path = g_strdup_printf("%s%c%d", folder_item_get_path(item),
G_DIR_SEPARATOR, msginfo->msgnum);
if (g_stat((path), &s) < 0 ||
msginfo->size != s.st_size || (
(msginfo->mtime - s.st_mtime != 0) &&
(msginfo->mtime - s.st_mtime != 3600) &&
(msginfo->mtime - s.st_mtime != -3600))) {
g_free(path);
return TRUE;
}
g_free(path);
return FALSE;
}
static gint mh_scan_tree(Folder *folder)
{
FolderItem *item;
cm_return_val_if_fail(folder != NULL, -1);
if (!folder->node) {
item = folder_item_new(folder, folder->name, NULL);
item->folder = folder;
folder->node = item->node = g_node_new(item);
} else
item = FOLDER_ITEM(folder->node->data);
mh_create_tree(folder);
mh_remove_missing_folder_items(folder);
mh_scan_tree_recursive(item);
return 0;
}
#define MAKE_DIR_IF_NOT_EXIST(dir) \
{ \
if (!is_dir_exist(dir)) { \
if (is_file_exist(dir)) { \
g_warning("File '%s' already exists. " \
"Can't create folder.", dir); \
return -1; \
} \
if (make_dir_hier(dir) < 0) \
return -1; \
debug_print("Created dir '%s'\n", dir); \
} \
}
static gint mh_create_tree(Folder *folder)
{
gchar *rootpath, *f, *path;
cm_return_val_if_fail(folder != NULL, -1);
rootpath = LOCAL_FOLDER(folder)->rootpath;
#ifdef G_OS_UNIX
if (*rootpath == '/') {
#elif defined G_OS_WIN32
if (g_ascii_isalpha(*rootpath) && !strncmp(rootpath + 1, "\:", 2)) {
#endif
/* Folder path is absolute. */
rootpath = g_strdup(rootpath);
} else {
/* Folder path is relative, using mail base dir. */
rootpath = g_strconcat(get_mail_base_dir(), G_DIR_SEPARATOR_S,
rootpath, NULL);
}
MAKE_DIR_IF_NOT_EXIST(rootpath);
/* Create special directories as needed */
if (folder->inbox != NULL &&
folder->inbox->path != NULL)
f = folder->inbox->path;
else
f = INBOX_DIR;
path = g_strconcat(rootpath, G_DIR_SEPARATOR_S, f, NULL);
MAKE_DIR_IF_NOT_EXIST(path);
g_free(path);
if (folder->outbox != NULL &&
folder->outbox->path != NULL)
f = folder->outbox->path;
else
f = OUTBOX_DIR;
path = g_strconcat(rootpath, G_DIR_SEPARATOR_S, f, NULL);
MAKE_DIR_IF_NOT_EXIST(path);
g_free(path);
if (folder->draft != NULL &&
folder->draft->path != NULL)
f = folder->draft->path;
else
f = DRAFT_DIR;
path = g_strconcat(rootpath, G_DIR_SEPARATOR_S, f, NULL);
MAKE_DIR_IF_NOT_EXIST(path);
g_free(path);
if (folder->queue != NULL &&
folder->queue->path != NULL)
f = folder->queue->path;
else
f = QUEUE_DIR;
path = g_strconcat(rootpath, G_DIR_SEPARATOR_S, f, NULL);
MAKE_DIR_IF_NOT_EXIST(path);
g_free(path);
if (folder->trash != NULL &&
folder->trash->path != NULL)
f = folder->trash->path;
else
f = TRASH_DIR;
path = g_strconcat(rootpath, G_DIR_SEPARATOR_S, f, NULL);
MAKE_DIR_IF_NOT_EXIST(path);
g_free(path);
g_free(rootpath);
return 0;
}
#undef MAKE_DIR_IF_NOT_EXIST
static gchar *mh_item_get_path(Folder *folder, FolderItem *item)
{
gchar *folder_path, *path;
gchar *real_path;
cm_return_val_if_fail(folder != NULL, NULL);
cm_return_val_if_fail(item != NULL, NULL);
folder_path = g_strdup(LOCAL_FOLDER(folder)->rootpath);
cm_return_val_if_fail(folder_path != NULL, NULL);
/* FIXME: [W32] The code below does not correctly merge
relative filenames; there should be a function to handle
this. */
if ( !is_relative_filename (folder_path) ) {
if (item->path)
path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
item->path, NULL);
else
path = g_strdup(folder_path);
} else {
if (item->path)
path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
folder_path, G_DIR_SEPARATOR_S,
item->path, NULL);
else
path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
folder_path, NULL);
}
g_free(folder_path);
real_path = mh_filename_from_utf8(path);
if (!is_dir_exist(real_path) && is_dir_exist(path)) {
/* mmh, older version did put utf8 filenames instead of
* the correct encoding */
if (g_rename(path, real_path) == 0)
folder_item_scan(item);
}
g_free(path);
return real_path;
}
static gboolean mh_renumber_msg(MsgInfo *info)
{
gchar *src, *dest;
gboolean result = FALSE;
guint num;
cm_return_val_if_fail(info != NULL, FALSE);
src = folder_item_fetch_msg(info->folder, info->msgnum);
dest = mh_get_new_msg_filename(info->folder);
num = info->folder->last_num + 1;
if (move_file(src, dest, FALSE) == 0) {
msgcache_remove_msg(info->folder->cache, info->msgnum);
info->msgnum = num;
msgcache_add_msg(info->folder->cache, info);
result = TRUE;
}
g_free(src);
g_free(dest);
return result;
}
static FolderItem *mh_create_folder(Folder *folder, FolderItem *parent,
const gchar *name)
{
gchar *path, *real_name;
gchar *fullpath;
FolderItem *new_item;
gchar *mh_sequences_filename;
FILE *mh_sequences_file;
cm_return_val_if_fail(folder != NULL, NULL);
cm_return_val_if_fail(parent != NULL, NULL);
cm_return_val_if_fail(name != NULL, NULL);
path = folder_item_get_path(parent);
if (!is_dir_exist(path))
if (make_dir_hier(path) != 0)
return NULL;
real_name = mh_filename_from_utf8(name);
fullpath = g_strconcat(path, G_DIR_SEPARATOR_S, real_name, NULL);
g_free(real_name);
g_free(path);
if (to_number(name) > 0) {
MsgInfo *info = folder_item_get_msginfo(parent, to_number(name));
if (info != NULL) {
gboolean ok = mh_renumber_msg(info);
procmsg_msginfo_free(&info);
if (!ok) {
g_free(fullpath);
return NULL;
}
}
}
if (make_dir(fullpath) < 0) {
g_free(fullpath);
return NULL;
}
g_free(fullpath);
if (parent->path)
path = g_strconcat(parent->path, G_DIR_SEPARATOR_S, name,
NULL);
else
path = g_strdup(name);
new_item = folder_item_new(folder, name, path);
folder_item_append(parent, new_item);
g_free(path);
path = folder_item_get_path(new_item);
mh_sequences_filename = g_strconcat(path, G_DIR_SEPARATOR_S,
".mh_sequences", NULL);
if ((mh_sequences_file = g_fopen(mh_sequences_filename, "a+b")) != NULL) {
fclose(mh_sequences_file);
}
g_free(mh_sequences_filename);
g_free(path);
return new_item;
}
static gint mh_rename_folder(Folder *folder, FolderItem *item,
const gchar *name)
{
gchar *real_name;
gchar *oldpath;
gchar *dirname;
gchar *newpath, *utf8newpath;
gchar *paths[2];
cm_return_val_if_fail(folder != NULL, -1);
cm_return_val_if_fail(item != NULL, -1);
cm_return_val_if_fail(item->path != NULL, -1);
cm_return_val_if_fail(name != NULL, -1);
oldpath = folder_item_get_path(item);
if (!is_dir_exist(oldpath))
make_dir_hier(oldpath);
dirname = g_path_get_dirname(oldpath);
real_name = mh_filename_from_utf8(name);
newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, real_name, NULL);
g_free(real_name);
if (g_rename(oldpath, newpath) < 0) {
FILE_OP_ERROR(oldpath, "rename");
g_free(oldpath);
g_free(newpath);
return -1;
}
g_free(oldpath);
g_free(newpath);
if (strchr(item->path, G_DIR_SEPARATOR) != NULL) {
dirname = g_path_get_dirname(item->path);
utf8newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S,
name, NULL);
g_free(dirname);
} else
utf8newpath = g_strdup(name);
g_free(item->name);
item->name = g_strdup(name);
paths[0] = g_strdup(item->path);
paths[1] = utf8newpath;
g_node_traverse(item->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
mh_rename_folder_func, paths);
g_free(paths[0]);
g_free(paths[1]);
return 0;
}
static gint mh_remove_folder(Folder *folder, FolderItem *item)
{
gchar *path;
gint ret;
cm_return_val_if_fail(folder != NULL, -1);
cm_return_val_if_fail(item != NULL, -1);
cm_return_val_if_fail(item->path != NULL, -1);
path = folder_item_get_path(item);
if ((ret = remove_dir_recursive(path)) < 0) {
g_warning("can't remove directory '%s'", path);
g_free(path);
return ret;
}
g_free(path);
folder_item_remove(item);
return 0;
}
static MsgInfo *mh_parse_msg(const gchar *file, FolderItem *item)
{
MsgInfo *msginfo;
MsgFlags flags;
cm_return_val_if_fail(item != NULL, NULL);
cm_return_val_if_fail(file != NULL, NULL);
flags.perm_flags = MSG_NEW|MSG_UNREAD;
flags.tmp_flags = 0;
if (folder_has_parent_of_type(item, F_QUEUE)) {
MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
} else if (folder_has_parent_of_type(item, F_DRAFT)) {
MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
}
msginfo = procheader_parse_file(file, flags, FALSE, FALSE);
if (!msginfo) return NULL;
msginfo->msgnum = atoi(file);
msginfo->folder = item;
return msginfo;
}
static gboolean mh_remove_missing_folder_items_func(GNode *node, gpointer data)
{
FolderItem *item;
gchar *path;
cm_return_val_if_fail(node->data != NULL, FALSE);
if (G_NODE_IS_ROOT(node))
return FALSE;
item = FOLDER_ITEM(node->data);
path = folder_item_get_path(item);
if (!is_dir_exist(path)) {
debug_print("folder '%s' not found. removing...\n", path?path:"(null)");
folder_item_remove(item);
}
g_free(path);
return FALSE;
}
static void mh_remove_missing_folder_items(Folder *folder)
{
cm_return_if_fail(folder != NULL);
debug_print("searching missing folders...\n");
g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
mh_remove_missing_folder_items_func, folder);
}
static void mh_scan_tree_recursive(FolderItem *item)
{
Folder *folder;
GDir *dir;
const gchar *dir_name;
gchar *entry, *utf8entry, *utf8name, *path;
gint n_msg = 0;
GError *error = NULL;
cm_return_if_fail(item != NULL);
cm_return_if_fail(item->folder != NULL);
folder = item->folder;
path = folder_item_get_path(item);
debug_print("mh_scan_tree_recursive() opening '%s'\n", path);
dir = g_dir_open(path, 0, &error);
if (!dir) {
g_warning("failed to open directory '%s': %s (%d)",
path, error->message, error->code);
g_error_free(error);
g_free(path);
return;
}
debug_print("scanning %s ...\n",
item->path ? item->path
: LOCAL_FOLDER(item->folder)->rootpath);
if (folder->ui_func)
folder->ui_func(folder, item, folder->ui_func_data);
while ((dir_name = g_dir_read_name(dir)) != NULL) {
if (dir_name[0] == '.') continue;
entry = g_strconcat(path, G_DIR_SEPARATOR_S, dir_name, NULL);
utf8name = mh_filename_to_utf8(dir_name);
if (item->path)
utf8entry = g_strconcat(item->path, G_DIR_SEPARATOR_S,
utf8name, NULL);
else
utf8entry = g_strdup(utf8name);
if (g_file_test(entry, G_FILE_TEST_IS_DIR)) {
FolderItem *new_item = NULL;
GNode *node;
node = item->node;
for (node = node->children; node != NULL; node = node->next) {
FolderItem *cur_item = FOLDER_ITEM(node->data);
gchar *curpath = folder_item_get_path(cur_item);
if (!strcmp2(curpath, entry)) {
new_item = cur_item;
g_free(curpath);
break;
}
g_free(curpath);
}
if (!new_item) {
debug_print("new folder '%s' found.\n", entry);
new_item = folder_item_new(folder, utf8name, utf8entry);
folder_item_append(item, new_item);
}
if (!item->path) {
if (!folder->inbox &&
!strcmp(dir_name, INBOX_DIR)) {
new_item->stype = F_INBOX;
folder->inbox = new_item;
} else if (!folder->outbox &&
!strcmp(dir_name, OUTBOX_DIR)) {
new_item->stype = F_OUTBOX;
folder->outbox = new_item;
} else if (!folder->draft &&
!strcmp(dir_name, DRAFT_DIR)) {
new_item->stype = F_DRAFT;
folder->draft = new_item;
} else if (!folder->queue &&
!strcmp(dir_name, QUEUE_DIR)) {
new_item->stype = F_QUEUE;
folder->queue = new_item;
} else if (!folder->trash &&
!strcmp(dir_name, TRASH_DIR)) {
new_item->stype = F_TRASH;
folder->trash = new_item;
}
}
mh_scan_tree_recursive(new_item);
} else if (to_number(dir_name) > 0) n_msg++;
g_free(entry);
g_free(utf8entry);
g_free(utf8name);
}
g_dir_close(dir);
g_free(path);
mh_set_mtime(folder, item);
}
static gboolean mh_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", 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 gchar *mh_filename_from_utf8(const gchar *path)
{
gchar *real_path = g_filename_from_utf8(path, -1, NULL, NULL, NULL);
if (!real_path) {
g_warning("mh_filename_from_utf8: failed to convert character set");
real_path = g_strdup(path);
}
return real_path;
}
static gchar *mh_filename_to_utf8(const gchar *path)
{
gchar *utf8path = g_filename_to_utf8(path, -1, NULL, NULL, NULL);
if (!utf8path) {
g_warning("mh_filename_to_utf8: failed to convert character set");
utf8path = g_strdup(path);
}
return utf8path;
}
static gint sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
{
MsgInfo *msginfo_a = (MsgInfo *) a;
MsgInfo *msginfo_b = (MsgInfo *) b;
return (msginfo_a->msgnum - msginfo_b->msgnum);
}
static gchar *get_unseen_seq_name(void)
{
static gchar *seq_name = NULL;
if (!seq_name) {
gchar buf[BUFFSIZE];
gchar *tmp;
gchar *profile_path = g_strconcat(
get_home_dir(), G_DIR_SEPARATOR_S,
".mh_profile", NULL);
FILE *fp = g_fopen(profile_path, "r");
if (fp) {
while (fgets(buf, sizeof(buf), fp) != NULL) {
if (!strncmp(buf, "Unseen-Sequence:", strlen("Unseen-Sequence:"))) {
gchar *seq_tmp = buf+strlen("Unseen-Sequence:");
while (*seq_tmp == ' ')
seq_tmp++;
seq_name = g_strdup(seq_tmp);
seq_name = strretchomp(seq_name);
break;
}
}
fclose(fp);
}
if (!seq_name)
seq_name = g_strdup("unseen");
tmp = g_strdup_printf("%s:", seq_name);
g_free(seq_name);
seq_name = tmp;
}
return seq_name;
}
static void mh_write_sequences(FolderItem *item, gboolean remove_unseen)
{
gchar *mh_sequences_old, *mh_sequences_new;
FILE *mh_sequences_old_fp, *mh_sequences_new_fp;
gchar buf[BUFFSIZE];
gchar *path = NULL;
gboolean err = FALSE;
START_TIMING("");
if (!item)
return;
path = folder_item_get_path(item);
mh_sequences_old = g_strconcat(path, G_DIR_SEPARATOR_S,
".mh_sequences", NULL);
mh_sequences_new = g_strconcat(path, G_DIR_SEPARATOR_S,
".mh_sequences.new", NULL);
if ((mh_sequences_new_fp = g_fopen(mh_sequences_new, "w+b")) != NULL) {
GSList *msglist = folder_item_get_msg_list(item);
GSList *cur;
MsgInfo *info = NULL;
gint start = -1, end = -1;
gchar *sequence = g_strdup("");
gint seq_len = 0;
msglist = g_slist_sort(msglist, sort_cache_list_by_msgnum);
cur = msglist;
/* write the unseen sequence if we don't have to scrap it */
if (!remove_unseen) do {
info = (MsgInfo *)(cur ? cur->data:NULL);
if (info && (MSG_IS_UNREAD(info->flags) || MSG_IS_NEW(info->flags))) {
if (start < 0)
start = end = info->msgnum;
else
end = info->msgnum;
} else {
if (start > 0 && end > 0) {
gchar tmp[32];
gint tmp_len = 0;
if (start != end)
snprintf(tmp, 31, " %d-%d", start, end);
else
snprintf(tmp, 31, " %d", start);
tmp_len = strlen(tmp);
sequence = g_realloc(sequence, seq_len+tmp_len+1);
strcpy(sequence+seq_len, tmp);
seq_len += tmp_len;
start = end = -1;
}
}
cur = cur ? cur->next:NULL;
} while (cur || (start > 0 && end > 0));
if (sequence && *sequence) {
if (fprintf(mh_sequences_new_fp, "%s%s\n",
get_unseen_seq_name(), sequence) < 0)
err = TRUE;
else
debug_print("wrote unseen sequence: '%s%s'\n",
get_unseen_seq_name(), sequence);
}
/* rewrite the rest of the file */
if ((mh_sequences_old_fp = g_fopen(mh_sequences_old, "r+b")) != NULL) {
while (fgets(buf, sizeof(buf), mh_sequences_old_fp) != NULL) {
if (strncmp(buf, get_unseen_seq_name(), strlen(get_unseen_seq_name())))
if (fprintf(mh_sequences_new_fp, "%s", buf) < 0) {
err = TRUE;
break;
}
}
fclose(mh_sequences_old_fp);
}
fflush(mh_sequences_new_fp);
#if 0
fsync(fileno(mh_sequences_new_fp));
#endif
if (fclose(mh_sequences_new_fp) == EOF)
err = TRUE;
if (!err) {
if (g_rename(mh_sequences_new, mh_sequences_old) < 0)
FILE_OP_ERROR(mh_sequences_new, "rename");
}
g_free(sequence);
procmsg_msg_list_free(msglist);
}
g_free(mh_sequences_old);
g_free(mh_sequences_new);
g_free(path);
END_TIMING();
}
static int mh_item_close(Folder *folder, FolderItem *item)
{
time_t last_mtime = (time_t)0;
gboolean need_scan = mh_scan_required(item->folder, item);
last_mtime = item->mtime;
mh_write_sequences(item, FALSE);
if (item->mtime == last_mtime && !need_scan) {
mh_set_mtime(folder, item);
}
return 0;
}
static void mh_set_mtime(Folder *folder, FolderItem *item)
{
GStatBuf s;
gchar *path = folder_item_get_path(item);
cm_return_if_fail(path != NULL);
if (g_stat(path, &s) < 0) {
FILE_OP_ERROR(path, "stat");
g_free(path);
return;
}
item->mtime = s.st_mtime;
debug_print("MH: forced mtime of %s to %ld\n", item->name?item->name:"(null)", item->mtime);
g_free(path);
}
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