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claws-mail/src/mbox_folder.c
Jens Oberender 0d4e1c8499 - removed gettext from g_warnings 
- po/POTFILES.in cleaned and updated
- po/de.po updated
2002-12-10 18:42:29 +00:00

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/*
* Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
* Copyright (C) 1999-2001 Hiroyuki Yamamoto & The Sylpheed Claws Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <unistd.h>
#include <fcntl.h>
#include <glib.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include "mbox_folder.h"
#include "folder.h"
#include "procmsg.h"
#include "procheader.h"
#include "utils.h"
#include "intl.h"
#define MSGBUFSIZE 8192
static void mbox_folder_init (Folder *folder,
const gchar *name,
const gchar *path);
static gboolean mbox_write_data(FILE * mbox_fp, FILE * new_fp,
gchar * new_filename, gint size);
static gboolean mbox_rewrite(gchar * mbox);
static gboolean mbox_purge_deleted(gchar * mbox);
static gchar * mbox_get_new_path(FolderItem * parent, gchar * name);
static gchar * mbox_get_folderitem_name(gchar * name);
MsgInfo *mbox_get_msginfo(Folder *folder, FolderItem *item, gint num);
gint mbox_get_num_list(Folder *folder, FolderItem *item, GSList **list);
gboolean mbox_check_msgnum_validity(Folder *folder, FolderItem *item);
Folder *mbox_folder_new(const gchar *name, const gchar *path)
{
Folder *folder;
folder = (Folder *)g_new0(MBOXFolder, 1);
mbox_folder_init(folder, name, path);
return folder;
}
void mbox_folder_destroy(Folder *folder)
{
folder_local_folder_destroy(LOCAL_FOLDER(folder));
}
static void mbox_folder_init(Folder *folder, const gchar *name, const gchar *path)
{
folder->type = F_MBOX;
folder_local_folder_init(folder, name, path);
/*
folder->get_msg_list = mbox_get_msg_list;
*/
folder->fetch_msg = mbox_fetch_msg;
folder->get_msginfo = mbox_get_msginfo;
folder->add_msg = mbox_add_msg;
folder->copy_msg = mbox_copy_msg;
folder->remove_msg = mbox_remove_msg;
folder->remove_all_msg = mbox_remove_all_msg;
/*
folder->scan = mbox_scan_folder;
*/
folder->get_num_list = mbox_get_num_list;
folder->create_tree = mbox_create_tree;
folder->create_folder = mbox_create_folder;
folder->rename_folder = mbox_rename_folder;
folder->remove_folder = mbox_remove_folder;
folder->destroy = mbox_folder_destroy;
folder->check_msgnum_validity
= mbox_check_msgnum_validity;
}
static void mbox_folder_create_parent(const gchar * path)
{
if (!is_file_exist(path)) {
gchar * new_path;
new_path = g_dirname(path);
if (new_path[strlen(new_path) - 1] == G_DIR_SEPARATOR)
new_path[strlen(new_path) - 1] = '\0';
if (!is_dir_exist(new_path))
make_dir_hier(new_path);
g_free(new_path);
}
}
static gchar *mbox_folder_get_path(FolderItem *item)
{
gchar *folder_path;
gchar *path;
g_return_val_if_fail(item != NULL, NULL);
if (item->path && item->path[0] == G_DIR_SEPARATOR) {
mbox_folder_create_parent(item->path);
return g_strdup(item->path);
}
folder_path = g_strdup(LOCAL_FOLDER(item->folder)->rootpath);
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);
mbox_folder_create_parent(path);
return path;
}
/**********************************************************/
/* */
/* file lock */
/* */
/**********************************************************/
static GSList * file_lock = NULL;
static gboolean mbox_file_lock_file(gchar * base)
{
gchar *lockfile, *locklink;
gint retry = 0;
FILE *lockfp;
lockfile = g_strdup_printf("%s.%d", base, getpid());
if ((lockfp = fopen(lockfile, "wb")) == NULL) {
FILE_OP_ERROR(lockfile, "fopen");
g_warning("can't create lock file %s\n", lockfile);
g_warning("use 'flock' instead of 'file' if possible.\n");
g_free(lockfile);
return FALSE;
}
fprintf(lockfp, "%d\n", getpid());
fclose(lockfp);
locklink = g_strconcat(base, ".lock", NULL);
while (link(lockfile, locklink) < 0) {
FILE_OP_ERROR(lockfile, "link");
if (retry >= 5) {
g_warning("can't create %s\n", lockfile);
unlink(lockfile);
g_free(lockfile);
g_free(locklink);
return -1;
}
if (retry == 0)
g_warning("mailbox is owned by another"
" process, waiting...\n");
retry++;
sleep(5);
}
unlink(lockfile);
g_free(lockfile);
g_free(locklink);
return TRUE;
}
static gboolean mbox_fcntl_lockwrite_file(FILE * fp)
{
struct flock lck;
lck.l_type = F_WRLCK;
lck.l_whence = 0;
lck.l_start = 0;
lck.l_len = 0;
if (fcntl(fileno(fp), F_SETLK, &lck) < 0)
return FALSE;
else
return TRUE;
}
static gboolean mbox_fcntl_lockread_file(FILE * fp)
{
struct flock lck;
lck.l_type = F_RDLCK;
lck.l_whence = 0;
lck.l_start = 0;
lck.l_len = 0;
if (fcntl(fileno(fp), F_SETLK, &lck) < 0)
return FALSE;
else
return TRUE;
}
static gboolean mbox_fcntl_unlock_file(FILE * fp)
{
struct flock lck;
lck.l_type = F_UNLCK;
lck.l_whence = 0;
lck.l_start = 0;
lck.l_len = 0;
if (fcntl(fileno(fp), F_SETLK, &lck) < 0)
return FALSE;
else
return TRUE;
}
static gboolean mbox_file_unlock_file(gchar * base)
{
gchar *lockfile;
lockfile = g_strdup_printf("%s.lock", base);
unlink(lockfile);
g_free(lockfile);
return TRUE;
}
static gboolean mbox_lockread_file(FILE * fp, gchar * base)
{
gboolean result;
result = mbox_fcntl_lockread_file(fp);
if (!result) {
if ((result = mbox_file_lock_file(base)) == TRUE) {
file_lock = g_slist_append(file_lock, g_strdup(base));
debug_print("lockfile lock %s.\n", base);
}
else
g_warning("could not lock read file %s\n", base);
}
else
debug_print("fcntl lock %s.\n", base);
return result;
}
static gboolean mbox_lockwrite_file(FILE * fp, gchar * base)
{
gboolean result;
result = mbox_fcntl_lockwrite_file(fp);
if (!result) {
if ((result = mbox_file_lock_file(base)) == TRUE) {
file_lock = g_slist_append(file_lock, g_strdup(base));
debug_print("lockfile lock %s.\n", base);
}
else
g_warning("could not lock write file %s\n", base);
}
else
debug_print("fcntl lock %s.\n", base);
return result;
}
static gboolean mbox_unlock_file(FILE * fp, gchar * base)
{
gboolean result = FALSE;
GSList * l;
gboolean unlocked = FALSE;
for(l = file_lock ; l != NULL ; l = g_slist_next(l)) {
gchar * data = l->data;
if (strcmp(data, base) == 0) {
file_lock = g_slist_remove(file_lock, data);
g_free(data);
result = mbox_file_unlock_file(base);
unlocked = TRUE;
debug_print("lockfile unlock - %s.\n", base);
break;
}
}
if (!unlocked) {
result = mbox_fcntl_unlock_file(fp);
debug_print("fcntl unlock - %s.\n", base);
}
return result;
}
/**********************************************************/
/* */
/* mbox parsing */
/* */
/**********************************************************/
#define MAILFILE_ERROR_NO_ERROR 0x000
#define MAILFILE_ERROR_FILE_NOT_FOUND 0x001
#define MAILFILE_ERROR_MEMORY 0x002
#define MAILFILE_ERROR_MESSAGE_NOT_FOUND 0x003
static int mailfile_error = MAILFILE_ERROR_NO_ERROR;
#define STATE_BEGIN 0x000
#define STATE_TEXT_READ 0x001
#define STATE_FROM_READ 0x002
#define STATE_FIELD_READ 0x003
#define STATE_END 0x004
#define STATE_END_OF_FILE 0x005
#define STATE_MEM_ERROR 0x006
#define STATE_TEXT_BEGIN 0x007
#define STATE_MASK 0x0FF /* filter state from functions */
#define STATE_RESTORE_POS 0x100 /* go back while reading */
typedef struct _mailfile mailfile;
struct _mailfile
{
gint count;
gchar * filename;
GList * msg_list;
};
struct _message
{
int msgnum;
int offset;
int header;
int content;
int end;
int marked;
gchar * messageid;
gchar * fromspace;
MsgFlags flags;
MsgFlags old_flags;
gboolean fetched;
};
#define MSG_IS_INVALID(msg) \
((msg).perm_flags == (msg).tmp_flags && (msg).tmp_flags == -1)
#define MSG_SET_INVALID(msg) \
((msg).perm_flags = (msg).tmp_flags = -1)
static int startFrom(char * s)
{
return (strncmp(s, "From ", 5) == 0);
}
static int startSpace(char * s)
{
return ((*s == ' ') || (*s == '\t'));
}
static int startEmpty(char * s)
{
return (*s == '\n');
}
static void free_msg_list(GList * l)
{
GList * elt = g_list_first(l);
while (elt)
{
g_free(elt->data);
elt = g_list_next(elt);
}
g_list_free(l);
}
static mailfile * mailfile_init_from_file(FILE * f, gchar * filename)
{
int state;
GList * msg_list = NULL;
char * r = NULL;
char s[256];
int lastpos = 0;
int former_pos = 0;
int ignore_next = 0;
int msgnum = 0;
struct _message * data = NULL;
mailfile * mf;
state = STATE_BEGIN;
while (state != STATE_END_OF_FILE) {
if ((state & STATE_RESTORE_POS) == 0) {
former_pos = lastpos;
lastpos = ftell(f);
r = fgets(s, 256, f);
if (r != NULL && *r)
ignore_next = (s[strlen(s) - 1] != '\n');
else
ignore_next = 0;
}
switch(state & 0x0F) {
case STATE_BEGIN:
if (r == NULL)
state = STATE_END_OF_FILE;
else if (startFrom(s)) {
state = STATE_FROM_READ;
data = g_new0(struct _message, 1);
if (data == NULL) {
free_msg_list(msg_list);
return NULL;
}
msgnum ++;
data->msgnum = msgnum;
data->offset = lastpos;
data->header = lastpos;
data->end = 0;
data->content = 0;
data->messageid = NULL;
data->fromspace = NULL;
MSG_SET_INVALID(data->flags);
MSG_SET_INVALID(data->old_flags);
data->fetched = FALSE;
msg_list = g_list_append(msg_list,
(gpointer) data);
}
else
state = STATE_BEGIN;
break;
case STATE_TEXT_READ:
if (r == NULL)
state = STATE_END;
else if (startFrom(s))
state = STATE_END | STATE_RESTORE_POS;
else
state = STATE_TEXT_READ;
break;
case STATE_TEXT_BEGIN:
data->content = lastpos;
if (r == NULL)
state = STATE_END;
else if (startFrom(s)) {
state = STATE_END | STATE_RESTORE_POS;
}
else {
state = STATE_TEXT_READ;
}
break;
case STATE_FROM_READ:
data->content = lastpos;
if (r == NULL)
state = STATE_END;
else if (startSpace(s))
state = STATE_FROM_READ;
else if (startEmpty(s))
state = STATE_TEXT_READ;
else
state = STATE_FIELD_READ;
break;
case STATE_FIELD_READ:
data->content = lastpos;
if (r == NULL)
state = STATE_END;
else if (startSpace(s))
state = STATE_FIELD_READ;
else if (startEmpty(s)) {
state = STATE_TEXT_BEGIN;
}
else
state = STATE_FIELD_READ;
break;
}
if ((state & STATE_MASK) == STATE_END) {
state = STATE_BEGIN | (state & STATE_RESTORE_POS);
data->end = lastpos;
}
if (ignore_next) {
do {
r = fgets(s, 256, f);
if (r == NULL || *r == '\0')
break;
}
while (s[strlen(s) - 1] != '\n');
}
}
mf = (mailfile *) g_new0(struct _mailfile, 1);
if (mf == NULL) {
free_msg_list(msg_list);
mailfile_error = MAILFILE_ERROR_MEMORY;
return NULL;
}
mf->msg_list = g_list_first(msg_list);
mf->filename = g_strdup(filename);
mf->count = msgnum;
mailfile_error = MAILFILE_ERROR_NO_ERROR;
return mf;
}
static mailfile * mailfile_init(char * filename)
{
FILE * f;
mailfile * mf;
f = fopen(filename, "rb");
if (f == NULL) {
mailfile_error = MAILFILE_ERROR_FILE_NOT_FOUND;
return NULL;
}
mbox_lockread_file(f, filename);
mf = mailfile_init_from_file(f, filename);
mbox_unlock_file(f, filename);
fclose(f);
return mf;
}
static void mailfile_done(mailfile * f)
{
free_msg_list(f->msg_list);
g_free(f->filename);
g_free(f);
}
/*
#define MAX_READ 4096
static char * readfile(char * filename, int offset, int max_offset)
{
char * message;
int size;
int pos;
int max;
int bread;
FILE * handle;
handle = fopen(filename, "rb");
if (handle == NULL) {
mailfile_error = MAILFILE_ERROR_FILE_NOT_FOUND;
return NULL;
}
size = max_offset - offset;
message = (char *) malloc(size + 1);
if (message == NULL) {
fclose(handle);
mailfile_error = MAILFILE_ERROR_MEMORY;
return NULL;
}
fseek(handle, offset, SEEK_SET);
pos = 0;
while (pos < size) {
if ((size - pos) > MAX_READ)
max = MAX_READ;
else
max = (size - pos);
bread = fread(message + pos, 1, max, handle);
if (bread != -1)
pos += bread;
if (bread < max)
break;
}
message[pos] = 0;
fclose(handle);
return message;
}
static char * mailfile_readmsg(mailfile f, int index)
{
GList * nth;
int max_offset;
int offset;
char * message;
struct _message * msginfo;
nth = g_list_nth(f->msg_list, index);
if (!nth) {
mailfile_error = MAILFILE_ERROR_MESSAGE_NOT_FOUND;
return NULL;
}
msginfo = (struct _message *)nth->data;
offset = msginfo->offset;
max_offset = msginfo->end;
message = readfile(f->filename, offset, max_offset);
mailfile_error = MAILFILE_ERROR_NO_ERROR;
return message;
}
static char * mailfile_readheader(mailfile f, int index)
{
GList * nth;
int max_offset;
int offset;
char * message;
struct _message * msginfo;
nth = g_list_nth(f->msg_list, index);
if (!nth) {
mailfile_error = MAILFILE_ERROR_MESSAGE_NOT_FOUND;
return NULL;
}
msginfo = (struct _message *)nth->data;
offset = msginfo->offset;
max_offset = msginfo->content;
message = readfile(f->filename, offset, max_offset);
mailfile_error = MAILFILE_ERROR_NO_ERROR;
return message;
}
static int mailfile_count(mailfile * f)
{
return g_list_length(f->msg_list);
}
static int mailfile_find_deleted(mailfile f, char * filename)
{
FILE * handle;
handle = fopen(filename, "rb");
while (elt) {
struct _message m = elt->data;
n = fread(&m.deleted, sizeof(int), 1, handle);
if (!n)
break;
elt = g_list_next(elt);
}
fclose(handle);
}
*/
/**********************************************************/
/* */
/* mbox cache operations */
/* */
/**********************************************************/
struct _mboxcache {
gchar * filename;
mailfile * mf;
GPtrArray * tab_mf;
gint mtime;
gboolean modification;
};
typedef struct _mboxcache mboxcache;
static GHashTable * mbox_cache_table = NULL;
static MsgInfo *mbox_parse_msg(FILE * fp, struct _message * msg,
FolderItem *item)
{
MsgInfo *msginfo;
MsgFlags flags = { 0, 0 };
MSG_SET_PERM_FLAGS(flags, MSG_NEW | MSG_UNREAD);
g_return_val_if_fail(fp != NULL, NULL);
if (item != 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_stream(fp, flags, FALSE, FALSE);
if (!msginfo) return NULL;
if (item != NULL) {
msginfo->msgnum = msg->msgnum;
msginfo->folder = item;
}
return msginfo;
}
static void mbox_cache_init()
{
mbox_cache_table = g_hash_table_new(g_str_hash, g_str_equal);
}
static void mbox_cache_free_mbox(mboxcache * cache)
{
g_hash_table_remove(mbox_cache_table, cache->filename);
if (cache->mf)
mailfile_done(cache->mf);
if (cache->tab_mf)
g_ptr_array_free(cache->tab_mf, FALSE);
if (cache->filename)
g_free(cache->filename);
g_free(cache);
}
static void mbox_cache_get_msginfo_from_file(FILE * fp, GList * msg_list)
{
GList * l;
MsgInfo * msginfo;
for(l = msg_list ; l != NULL ; l = g_list_next(l)) {
struct _message * msg;
msg = (struct _message *) l->data;
fseek(fp, msg->header, SEEK_SET);
msginfo = mbox_parse_msg(fp, msg, NULL);
if (msginfo) {
if (msginfo->msgid)
msg->messageid =
g_strdup(msginfo->msgid);
if (msginfo->fromspace)
msg->fromspace =
g_strdup(msginfo->fromspace);
msg->flags = msginfo->flags;
msg->old_flags = msginfo->flags;
procmsg_msginfo_free(msginfo);
}
}
}
static void mbox_cache_get_msginfo(gchar * filename, GList * msg_list)
{
FILE * fp;
fp = fopen(filename, "rb");
if (fp == NULL)
return;
mbox_cache_get_msginfo_from_file(fp, msg_list);
fclose(fp);
}
static mboxcache * mbox_cache_read_mbox(gchar * filename)
{
mboxcache * cache;
struct stat s;
mailfile * mf;
GList * l;
if (stat(filename, &s) < 0)
return NULL;
mf = mailfile_init(filename);
if (mf == NULL)
return NULL;
cache = g_new0(mboxcache, 1);
cache->mtime = s.st_mtime;
cache->mf = mf;
cache->filename = g_strdup(filename);
cache->modification = FALSE;
cache->tab_mf = g_ptr_array_new();
for(l = mf->msg_list ; l != NULL ; l = g_list_next(l))
g_ptr_array_add(cache->tab_mf, l->data);
mbox_cache_get_msginfo(filename, mf->msg_list);
debug_print("read mbox - %s\n", filename);
return cache;
}
static mboxcache * mbox_cache_read_mbox_from_file(FILE * fp, gchar * filename)
{
mboxcache * cache;
struct stat s;
mailfile * mf;
GList * l;
if (stat(filename, &s) < 0)
return NULL;
mf = mailfile_init_from_file(fp, filename);
if (mf == NULL)
return NULL;
cache = g_new0(mboxcache, 1);
cache->mtime = s.st_mtime;
cache->mf = mf;
cache->filename = g_strdup(filename);
cache->tab_mf = g_ptr_array_new();
for(l = mf->msg_list ; l != NULL ; l = g_list_next(l))
g_ptr_array_add(cache->tab_mf, l->data);
mbox_cache_get_msginfo_from_file(fp, mf->msg_list);
debug_print("read mbox from file - %s\n", filename);
return cache;
}
static void mbox_cache_insert_mbox(mboxcache * data)
{
if (mbox_cache_table == NULL)
mbox_cache_init();
g_hash_table_insert(mbox_cache_table, data->filename, data);
}
static mboxcache * mbox_cache_get_mbox(gchar * filename)
{
if (mbox_cache_table == NULL)
mbox_cache_init();
return g_hash_table_lookup(mbox_cache_table, filename);
}
static gint mbox_cache_get_count(gchar * filename)
{
mboxcache * cache;
cache = mbox_cache_get_mbox(filename);
if (cache == NULL)
return -1;
if (cache->mf == NULL)
return -1;
return cache->mf->count;
}
static GList * mbox_cache_get_msg_list(gchar * filename)
{
mboxcache * cache;
cache = mbox_cache_get_mbox(filename);
if (cache == NULL)
return NULL;
if (cache->mf == NULL)
return NULL;
return cache->mf->msg_list;
}
static void mbox_cache_synchronize_lists(GList * old_msg_list,
GList * new_msg_list)
{
GList * l;
GList * l2;
for(l2 = old_msg_list ; l2 != NULL ; l2 = g_list_next(l2)) {
struct _message * msg2 = l2->data;
if ((msg2->messageid == NULL) ||
(msg2->fromspace == NULL))
continue;
for(l = new_msg_list ; l != NULL ; l = g_list_next(l)) {
struct _message * msg = l->data;
if ((msg->messageid == NULL) ||
(msg->fromspace == NULL))
continue;
if ((strcmp(msg->messageid, msg2->messageid) == 0) &&
(strcmp(msg->fromspace, msg2->fromspace) == 0)) {
if (msg2->flags.perm_flags != msg2->old_flags.perm_flags) {
msg->flags = msg2->flags;
break;
}
}
}
}
}
static void mbox_cache_synchronize(gchar * filename, gboolean sync)
{
mboxcache * new_cache;
mboxcache * old_cache;
gboolean scan_new = TRUE;
struct stat s;
old_cache = mbox_cache_get_mbox(filename);
if (old_cache != NULL) {
if (stat(filename, &s) < 0) {
FILE_OP_ERROR(filename, "stat");
} else if (old_cache->mtime == s.st_mtime) {
debug_print("Folder is not modified.\n");
scan_new = FALSE;
}
}
if (scan_new) {
/*
if (strstr(filename, "trash") == 0)
printf("old_cache: %p %s\n", old_cache, filename);
if (old_cache) {
printf("begin old\n");
for(l = old_cache->mf->msg_list ; l != NULL ;
l = g_list_next(l)) {
struct _message * msg = l->data;
printf("%p\n", msg);
}
printf("end old\n");
}
*/
new_cache = mbox_cache_read_mbox(filename);
/*
if (strstr(filename, "trash") == 0)
printf("new_cache: %p %s\n", new_cache, filename);
if (new_cache) {
printf("begin new\n");
for(l = new_cache->mf->msg_list ; l != NULL ;
l = g_list_next(l)) {
struct _message * msg = l->data;
printf("%p\n", msg);
}
printf("end new\n");
}
*/
if (!new_cache)
return;
if (sync && new_cache && old_cache)
mbox_cache_synchronize_lists(old_cache->mf->msg_list,
new_cache->mf->msg_list);
if (old_cache != NULL)
mbox_cache_free_mbox(old_cache);
if (new_cache) {
mbox_cache_insert_mbox(new_cache);
/*
printf("insert %p %s\n", new_cache, new_cache->filename);
printf("inserted %s %p\n", filename,
mbox_cache_get_mbox(filename));
*/
}
}
}
static void mbox_cache_synchronize_from_file(FILE * fp, gchar * filename,
gboolean sync)
{
mboxcache * new_cache;
mboxcache * old_cache;
gboolean scan_new = TRUE;
struct stat s;
old_cache = mbox_cache_get_mbox(filename);
if (old_cache != NULL) {
if (stat(filename, &s) < 0) {
FILE_OP_ERROR(filename, "stat");
} else if (old_cache->mtime == s.st_mtime) {
debug_print("Folder is not modified.\n");
scan_new = FALSE;
}
}
if (scan_new) {
/*
GList * l;
if (strstr(filename, "trash") == 0)
printf("old_cache: %p %s\n", old_cache, filename);
if (old_cache) {
printf("begin old\n");
for(l = old_cache->mf->msg_list ; l != NULL ;
l = g_list_next(l)) {
struct _message * msg = l->data;
printf("%p\n", msg);
}
printf("end old\n");
}
*/
new_cache = mbox_cache_read_mbox_from_file(fp, filename);
/*
if (strstr(filename, "trash") == 0)
printf("new_cache: %p %s\n", new_cache, filename);
if (new_cache) {
printf("begin new\n");
for(l = new_cache->mf->msg_list ; l != NULL ;
l = g_list_next(l)) {
struct _message * msg = l->data;
printf("%p\n", msg);
}
printf("end new\n");
}
*/
if (!new_cache)
return;
if (sync && new_cache && old_cache)
mbox_cache_synchronize_lists(old_cache->mf->msg_list,
new_cache->mf->msg_list);
if (old_cache != NULL)
mbox_cache_free_mbox(old_cache);
if (new_cache) {
mbox_cache_insert_mbox(new_cache);
/*
printf("insert %p %s\n", new_cache, new_cache->filename);
printf("inserted %s %p\n", filename,
mbox_cache_get_mbox(filename));
*/
}
}
}
gboolean mbox_cache_msg_fetched(gchar * filename, gint num)
{
struct _message * msg;
mboxcache * cache;
cache = mbox_cache_get_mbox(filename);
if (cache == NULL)
return FALSE;
msg = (struct _message *) g_ptr_array_index(cache->tab_mf,
num - 1);
if (msg == NULL)
return FALSE;
return msg->fetched;
}
void mbox_cache_msg_set_fetched(gchar * filename, gint num)
{
struct _message * msg;
mboxcache * cache;
cache = mbox_cache_get_mbox(filename);
if (cache == NULL)
return;
msg = (struct _message *) g_ptr_array_index(cache->tab_mf,
num - 1);
if (msg == NULL)
return;
msg->fetched = TRUE;
}
struct _message * mbox_cache_get_msg(gchar * filename, gint num)
{
mboxcache * cache;
cache = mbox_cache_get_mbox(filename);
if (cache == NULL) {
return NULL;
}
return (struct _message *) g_ptr_array_index(cache->tab_mf,
num - 1);
}
/**********************************************************/
/* */
/* mbox operations */
/* */
/**********************************************************/
GSList *mbox_get_msg_list(Folder *folder, FolderItem *item, gboolean use_cache)
{
GSList *mlist;
MsgInfo * msginfo;
GList * l;
FILE * fp;
gchar * mbox_path;
#ifdef MEASURE_TIME
struct timeval tv_before, tv_after, tv_result;
gettimeofday(&tv_before, NULL);
#endif
mlist = NULL;
mbox_path = mbox_folder_get_path(item);
if (mbox_path == NULL)
return NULL;
mbox_purge_deleted(mbox_path);
fp = fopen(mbox_path, "rb");
if (fp == NULL) {
g_free(mbox_path);
return NULL;
}
mbox_lockread_file(fp, mbox_path);
mbox_cache_synchronize_from_file(fp, mbox_path, TRUE);
item->last_num = mbox_cache_get_count(mbox_path);
for(l = mbox_cache_get_msg_list(mbox_path) ; l != NULL ;
l = g_list_next(l)) {
struct _message * msg;
msg = (struct _message *) l->data;
if (MSG_IS_INVALID(msg->flags) || !MSG_IS_REALLY_DELETED(msg->flags)) {
fseek(fp, msg->header, SEEK_SET);
msginfo = mbox_parse_msg(fp, msg, item);
if (!MSG_IS_INVALID(msg->flags))
msginfo->flags = msg->flags;
else {
msg->old_flags = msginfo->flags;
msg->flags = msginfo->flags;
}
mlist = g_slist_append(mlist, msginfo);
}
else {
MSG_SET_PERM_FLAGS(msg->flags, MSG_REALLY_DELETED);
}
}
mbox_unlock_file(fp, mbox_path);
g_free(mbox_path);
fclose(fp);
#ifdef MEASURE_TIME
gettimeofday(&tv_after, NULL);
timersub(&tv_after, &tv_before, &tv_result);
g_print("mbox_get_msg_list: %s: elapsed time: %ld.%06ld sec\n",
mbox_path, tv_result.tv_sec, tv_result.tv_usec);
#endif
return mlist;
}
static gboolean mbox_extract_msg(FolderItem * item, gint msgnum,
gchar * dest_filename)
{
struct _message * msg;
gint offset;
gint max_offset;
gint size;
FILE * src;
FILE * dest;
gboolean err;
/* GList * msg_list;*/
gboolean already_fetched;
gchar * mbox_path;
mbox_path = mbox_folder_get_path(item);
if (mbox_path == NULL)
return FALSE;
src = fopen(mbox_path, "rb");
if (src == NULL) {
g_free(mbox_path);
return FALSE;
}
mbox_lockread_file(src, mbox_path);
mbox_cache_synchronize_from_file(src, mbox_path, TRUE);
already_fetched = mbox_cache_msg_fetched(mbox_path, msgnum);
if (already_fetched) {
mbox_unlock_file(src, mbox_path);
fclose(src);
g_free(mbox_path);
return TRUE;
}
msg = mbox_cache_get_msg(mbox_path, msgnum);
if (msg == NULL) {
mbox_unlock_file(src, mbox_path);
fclose(src);
g_free(mbox_path);
return FALSE;
}
offset = msg->offset;
max_offset = msg->end;
size = max_offset - offset;
fseek(src, offset, SEEK_SET);
dest = fopen(dest_filename, "wb");
if (dest == NULL) {
mbox_unlock_file(src, mbox_path);
fclose(src);
g_free(mbox_path);
return FALSE;
}
if (change_file_mode_rw(dest, dest_filename) < 0) {
FILE_OP_ERROR(dest_filename, "chmod");
g_warning("can't change file mode\n");
}
if (!mbox_write_data(src, dest, dest_filename, size)) {
mbox_unlock_file(src, mbox_path);
fclose(dest);
fclose(src);
unlink(dest_filename);
g_free(mbox_path);
return FALSE;
}
err = FALSE;
if (ferror(src)) {
FILE_OP_ERROR(mbox_path, "fread");
err = TRUE;
}
mbox_cache_msg_set_fetched(mbox_path, msgnum);
if (fclose(dest) == -1) {
FILE_OP_ERROR(dest_filename, "fclose");
err = TRUE;
}
mbox_unlock_file(src, mbox_path);
if (fclose(src) == -1) {
FILE_OP_ERROR(mbox_path, "fclose");
err = TRUE;
}
g_free(mbox_path);
if (err) {
unlink(dest_filename);
return FALSE;
}
return TRUE;
}
gchar *mbox_fetch_msg(Folder *folder, FolderItem *item, gint num)
{
gchar *path;
gchar *filename;
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(num), NULL);
g_free(path);
if (!mbox_extract_msg(item, num, filename)) {
g_free(filename);
return NULL;
}
return filename;
}
gint mbox_add_msg(Folder *folder, FolderItem *dest, const gchar *file,
gboolean remove_source)
{
FILE * src_fp;
FILE * dest_fp;
gchar buf[BUFSIZ];
gint old_size;
gint n_read;
gboolean err;
gchar * mbox_path;
gchar from_line[MSGBUFSIZE];
if (dest->last_num < 0) {
mbox_scan_folder(folder, dest);
if (dest->last_num < 0) return -1;
}
src_fp = fopen(file, "rb");
if (src_fp == NULL) {
return -1;
}
mbox_path = mbox_folder_get_path(dest);
if (mbox_path == NULL)
return -1;
dest_fp = fopen(mbox_path, "ab");
if (dest_fp == NULL) {
fclose(src_fp);
g_free(mbox_path);
return -1;
}
if (change_file_mode_rw(dest_fp, mbox_path) < 0) {
FILE_OP_ERROR(mbox_path, "chmod");
g_warning("can't change file mode\n");
}
old_size = ftell(dest_fp);
mbox_lockwrite_file(dest_fp, mbox_path);
if (fgets(from_line, sizeof(from_line), src_fp) == NULL) {
mbox_unlock_file(dest_fp, mbox_path);
g_warning("unvalid file - %s.\n", file);
fclose(dest_fp);
fclose(src_fp);
g_free(mbox_path);
return -1;
}
if (strncmp(from_line, "From ", 5) != 0) {
struct stat s;
if (stat(file, &s) < 0) {
mbox_unlock_file(dest_fp, mbox_path);
g_warning("invalid file - %s.\n", file);
fclose(dest_fp);
fclose(src_fp);
g_free(mbox_path);
return -1;
}
fprintf(dest_fp, "From - %s", ctime(&s.st_mtime));
}
fputs(from_line, dest_fp);
while (1) {
n_read = fread(buf, 1, sizeof(buf), src_fp);
if ((n_read < (gint) sizeof(buf)) && ferror(src_fp))
break;
if (fwrite(buf, n_read, 1, dest_fp) < 1) {
mbox_unlock_file(dest_fp, mbox_path);
g_warning("writing to %s failed.\n", mbox_path);
ftruncate(fileno(dest_fp), old_size);
fclose(dest_fp);
fclose(src_fp);
g_free(mbox_path);
return -1;
}
if (n_read < (gint) sizeof(buf))
break;
}
err = FALSE;
if (ferror(src_fp)) {
FILE_OP_ERROR(mbox_path, "fread");
}
mbox_unlock_file(dest_fp, mbox_path);
if (fclose(src_fp) == -1) {
FILE_OP_ERROR(file, "fclose");
err = TRUE;
}
if (fclose(dest_fp) == -1) {
FILE_OP_ERROR(mbox_path, "fclose");
g_free(mbox_path);
return -1;
}
if (err) {
ftruncate(fileno(dest_fp), old_size);
g_free(mbox_path);
return -1;
}
if (remove_source) {
if (unlink(file) < 0)
FILE_OP_ERROR(file, "unlink");
}
g_free(mbox_path);
dest->last_num++;
return dest->last_num;
}
gint mbox_remove_msg(Folder *folder, FolderItem *item, gint num)
{
struct _message * msg;
gchar * mbox_path;
mbox_path = mbox_folder_get_path(item);
if (mbox_path == NULL)
return -1;
mbox_cache_synchronize(mbox_path, TRUE);
msg = mbox_cache_get_msg(mbox_path, num);
g_free(mbox_path);
if (msg != NULL)
MSG_SET_PERM_FLAGS(msg->flags, MSG_REALLY_DELETED);
return 0;
}
gint mbox_remove_all_msg(Folder *folder, FolderItem *item)
{
FILE * fp;
gchar * mbox_path;
mbox_path = mbox_folder_get_path(item);
if (mbox_path == NULL)
return -1;
fp = fopen(mbox_path, "wb");
if (fp == NULL) {
g_free(mbox_path);
return -1;
}
fclose(fp);
g_free(mbox_path);
return 0;
}
/*
gint mbox_move_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
{
gchar * filename;
gint msgnum;
filename = mbox_fetch_msg(folder, msginfo->folder, msginfo->msgnum);
if (filename == NULL)
return -1;
msgnum = mbox_add_msg(folder, dest, filename, TRUE);
if (msgnum != -1) {
MSG_SET_FLAGS(msginfo->flags, MSG_REALLY_DELETED);
mbox_change_flags(folder, msginfo->folder, msginfo);
}
return msgnum;
}
gint mbox_move_msgs_with_dest(Folder *folder, FolderItem *dest, GSList *msglist)
{
GSList * l;
gchar * mbox_path = NULL;
for(l = msglist ; l != NULL ; l = g_slist_next(l)) {
MsgInfo * msginfo = (MsgInfo *) l->data;
if (msginfo->folder && mbox_path == NULL)
mbox_path = mbox_folder_get_path(msginfo->folder);
mbox_move_msg(folder, dest, msginfo);
}
if (mbox_path) {
mbox_cache_synchronize(mbox_path);
g_free(mbox_path);
}
mbox_path = mbox_folder_get_path(dest);
mbox_cache_synchronize(mbox_path);
g_free(mbox_path);
return dest->last_num;
}
*/
/*
gint mbox_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
{
gchar * filename;
gint msgnum;
filename = mbox_fetch_msg(folder, msginfo->folder, msginfo->msgnum);
if (filename == NULL)
return -1;
msgnum = mbox_add_msg(folder, dest, filename, FALSE);
return msgnum;
}
gint mbox_copy_msgs_with_dest(Folder *folder, FolderItem *dest, GSList *msglist)
{
GSList * l;
gchar * mbox_path = NULL;
for(l = msglist ; l != NULL ; l = g_slist_next(l)) {
MsgInfo * msginfo = (MsgInfo *) l->data;
if (msginfo->folder && mbox_path == NULL)
mbox_path = mbox_folder_get_path(msginfo->folder);
mbox_copy_msg(folder, dest, msginfo);
}
if (mbox_path) {
mbox_cache_synchronize(mbox_path);
g_free(mbox_path);
}
mbox_path = mbox_folder_get_path(dest);
mbox_cache_synchronize(mbox_path);
g_free(mbox_path);
return dest->last_num;
}
*/
struct _copy_flags_info
{
gint num;
MsgFlags flags;
};
typedef struct _copy_flags_info CopyFlagsInfo;
GSList * copy_flags_data = NULL;
gint mbox_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
{
Folder * src_folder;
gchar * filename;
gint num;
CopyFlagsInfo * flags_info;
src_folder = msginfo->folder->folder;
g_return_val_if_fail(src_folder->fetch_msg != NULL, -1);
/*
mbox_path = mbox_folder_get_path(msginfo->folder);
mbox_rewrite(mbox_path);
g_free(mbox_path);
*/
filename = src_folder->fetch_msg(src_folder,
msginfo->folder,
msginfo->msgnum);
if (filename == NULL)
return -1;
num = folder->add_msg(folder, dest, filename, FALSE);
/*
mbox_path = mbox_folder_get_path(dest);
msg = mbox_cache_get_msg(mbox_path, num);
if (msg != NULL)
msg->flags = msginfo->flags;
g_free(mbox_path);
*/
if (num == -1)
return -1;
flags_info = g_new0(CopyFlagsInfo, 1);
flags_info->num = num;
flags_info->flags = msginfo->flags;
copy_flags_data = g_slist_append(copy_flags_data, flags_info);
return num;
}
void mbox_finished_copy(Folder *folder, FolderItem *dest)
{
gchar * mbox_path;
GSList * l;
mboxcache * cache;
mbox_path = mbox_folder_get_path(dest);
if (mbox_path == NULL)
return;
mbox_cache_synchronize(mbox_path, TRUE);
for(l = copy_flags_data ; l != NULL ; l = g_slist_next(l)) {
CopyFlagsInfo * flags_info = l->data;
struct _message * msg;
msg = mbox_cache_get_msg(mbox_path, flags_info->num);
if (msg != NULL)
msg->flags = flags_info->flags;
g_free(flags_info);
}
if (copy_flags_data != NULL) {
cache = mbox_cache_get_mbox(mbox_path);
cache->modification = TRUE;
}
g_slist_free(copy_flags_data);
copy_flags_data = NULL;
mbox_rewrite(mbox_path);
g_free(mbox_path);
}
void mbox_scan_folder(Folder *folder, FolderItem *item)
{
gchar *mbox_path;
gint n_msg;
mboxcache * cached;
GList * l;
mbox_path = mbox_folder_get_path(item);
if (mbox_path == NULL)
return;
mbox_cache_synchronize(mbox_path, TRUE);
cached = mbox_cache_get_mbox(mbox_path);
if (cached == NULL) {
item->new = 0;
item->unread = 0;
item->total = 0;
item->last_num = 0;
g_free(mbox_path);
return;
}
n_msg = mbox_cache_get_count(mbox_path);
if (n_msg == 0) {
item->new = item->unread = item->total = 0;
}
else {
gint new = 0;
gint unread = 0;
gint total = 0;
for(l = mbox_cache_get_msg_list(mbox_path) ; l != NULL ;
l = g_list_next(l)) {
struct _message * msg = (struct _message *) l->data;
if (!MSG_IS_REALLY_DELETED(msg->flags))
total ++;
if (MSG_IS_NEW(msg->flags) && !MSG_IS_IGNORE_THREAD(msg->flags))
new ++;
if (MSG_IS_UNREAD(msg->flags) && !MSG_IS_IGNORE_THREAD(msg->flags))
unread ++;
}
item->new = new;
item->unread = unread;
item->total = total;
}
debug_print("Last number in dir %s = %d\n", mbox_path,
item->total);
item->last_num = n_msg;
g_free(mbox_path);
}
gchar * mbox_get_virtual_path(FolderItem * item)
{
if (item == NULL)
return NULL;
if (item->parent == NULL) {
return NULL;
}
else {
gchar * parent_path;
gchar * result_path;
parent_path = mbox_get_virtual_path(item->parent);
if (parent_path == NULL)
result_path = g_strdup(item->name);
else
result_path = g_strconcat(parent_path,
G_DIR_SEPARATOR_S,
item->name, NULL);
g_free(parent_path);
return result_path;
}
}
static gboolean mbox_write_data(FILE * mbox_fp, FILE * new_fp,
gchar * new_filename, gint size)
{
gint n_read;
gint pos;
gchar buf[BUFSIZ];
gint max;
pos = 0;
while (pos < size) {
if ((size - pos) > (gint) sizeof(buf))
max = sizeof(buf);
else
max = (size - pos);
n_read = fread(buf, 1, max, mbox_fp);
if (n_read < max && ferror(mbox_fp)) {
return FALSE;
}
if (fwrite(buf, n_read, 1, new_fp) < 1) {
g_warning("writing to %s failed.\n", new_filename);
return FALSE;
}
if (n_read != -1)
pos += n_read;
if (n_read < max)
break;
}
return TRUE;
}
static gboolean mbox_write_message(FILE * mbox_fp, FILE * new_fp,
gchar * new_filename,
struct _message * msg)
{
gint size;
GPtrArray * headers;
gint i;
fseek(mbox_fp, msg->header, SEEK_SET);
headers = procheader_get_header_array_asis(mbox_fp);
for (i = 0; i < (gint) headers->len; i++) {
Header * h = g_ptr_array_index(headers, i);
if (!procheader_headername_equal(h->name,
"Status") &&
!procheader_headername_equal(h->name,
"X-Status")) {
fwrite(h->name, strlen(h->name),
1, new_fp);
if (h->name[strlen(h->name) - 1] != ' ')
fwrite(" ", 1, 1, new_fp);
fwrite(h->body, strlen(h->body),
1, new_fp);
fwrite("\n", 1, 1, new_fp);
}
procheader_header_free(h);
g_ptr_array_remove_index(headers, i);
i--;
}
g_ptr_array_free(headers, FALSE);
if (!MSG_IS_INVALID(msg->flags)) {
/* Status header */
fwrite("Status: ", strlen("Status: "), 1, new_fp);
if (!MSG_IS_UNREAD(msg->flags))
fwrite("R", 1, 1, new_fp);
fwrite("O", 1, 1, new_fp);
fwrite("\n", 1, 1, new_fp);
/* X-Status header */
if (MSG_IS_REALLY_DELETED(msg->flags)
|| MSG_IS_MARKED(msg->flags)
|| MSG_IS_DELETED(msg->flags)
|| MSG_IS_REPLIED(msg->flags)
|| MSG_IS_FORWARDED(msg->flags)) {
fwrite("X-Status: ", strlen("X-Status: "), 1, new_fp);
if (MSG_IS_REALLY_DELETED(msg->flags))
fwrite("D", 1, 1, new_fp); /* really deleted */
else {
if (MSG_IS_MARKED(msg->flags))
fwrite("F", 1, 1, new_fp);
if (MSG_IS_DELETED(msg->flags))
fwrite("d", 1, 1, new_fp);
if (MSG_IS_REPLIED(msg->flags))
fwrite("r", 1, 1, new_fp);
if (MSG_IS_FORWARDED(msg->flags))
fwrite("f", 1, 1, new_fp);
}
fwrite("\n", 1, 1, new_fp);
}
}
fwrite("\n", 1, 1, new_fp);
size = msg->end - msg->content;
fseek(mbox_fp, msg->content, SEEK_SET);
return mbox_write_data(mbox_fp, new_fp, new_filename, size);
}
void mbox_update_mark(Folder * folder, FolderItem * item)
{
gchar * mbox_path;
mbox_path = mbox_folder_get_path(item);
if (mbox_path == NULL)
return;
mbox_rewrite(mbox_path);
g_free(mbox_path);
}
void mbox_change_flags(Folder * folder, FolderItem * item, MsgInfo * info)
{
struct _message * msg;
mboxcache * cache;
gchar * mbox_path;
mbox_path = mbox_folder_get_path(item);
if (mbox_path == NULL)
return;
msg = mbox_cache_get_msg(mbox_path, info->msgnum);
cache = mbox_cache_get_mbox(mbox_path);
g_free(mbox_path);
if ((msg == NULL) || (cache == NULL))
return;
msg->flags = info->flags;
cache->modification = TRUE;
}
static gboolean mbox_rewrite(gchar * mbox)
{
FILE * mbox_fp;
FILE * new_fp;
gchar * new;
GList * l;
gboolean result;
GList * msg_list;
gint count;
mboxcache * cache;
msg_list = mbox_cache_get_msg_list(mbox);
cache = mbox_cache_get_mbox(mbox);
if (cache == NULL)
return FALSE;
if (!cache->modification) {
debug_print("no modification - %s\n", mbox);
return FALSE;
}
debug_print("save modification - %s\n", mbox);
mbox_fp = fopen(mbox, "rb+");
mbox_lockwrite_file(mbox_fp, mbox);
mbox_cache_synchronize_from_file(mbox_fp, mbox, TRUE);
new = g_strconcat(mbox, ".", itos((int) mbox), NULL);
new_fp = fopen(new, "wb");
if (change_file_mode_rw(new_fp, new) < 0) {
FILE_OP_ERROR(new, "chmod");
g_warning("can't change file mode\n");
}
mbox_lockwrite_file(new_fp, new);
result = TRUE;
count = 0;
msg_list = mbox_cache_get_msg_list(mbox);
for(l = msg_list ; l != NULL ; l = g_list_next(l)) {
struct _message * msg = (struct _message *) l->data;
if (!mbox_write_message(mbox_fp, new_fp, new, msg)) {
result = FALSE;
break;
}
count ++;
}
unlink(mbox);
if (rename(new, mbox) == -1) {
g_warning("can't rename %s to %s\n", new, mbox);
mbox_unlock_file(new_fp, new);
fclose(new_fp);
mbox_unlock_file(mbox_fp, mbox);
fclose(mbox_fp);
g_free(new);
return -1;
}
if (change_file_mode_rw(new_fp, mbox) < 0) {
FILE_OP_ERROR(new, "chmod");
g_warning("can't change file mode\n");
}
mbox_unlock_file(new_fp, new);
fclose(new_fp);
mbox_unlock_file(mbox_fp, mbox);
fclose(mbox_fp);
debug_print("%i messages written - %s\n", count, mbox);
cache = mbox_cache_get_mbox(mbox);
if (cache != NULL)
cache->mtime = -1;
mbox_cache_synchronize(mbox, FALSE);
g_free(new);
return result;
}
static gboolean mbox_purge_deleted(gchar * mbox)
{
FILE * mbox_fp;
FILE * new_fp;
gchar * new;
GList * l;
gboolean result;
gboolean modification = FALSE;
GList * msg_list;
gint count;
mbox_cache_synchronize(mbox, TRUE);
msg_list = mbox_cache_get_msg_list(mbox);
for(l = msg_list ; l != NULL ; l = g_list_next(l)) {
struct _message * msg = (struct _message *) l->data;
if (!MSG_IS_INVALID(msg->flags) && MSG_IS_REALLY_DELETED(msg->flags)) {
modification = TRUE;
break;
}
}
if (!modification) {
debug_print("no deleted messages - %s\n", mbox);
return FALSE;
}
debug_print("purge deleted messages - %s\n", mbox);
mbox_fp = fopen(mbox, "rb+");
mbox_lockwrite_file(mbox_fp, mbox);
mbox_cache_synchronize_from_file(mbox_fp, mbox, TRUE);
new = g_strconcat(mbox, ".", itos((int) mbox), NULL);
new_fp = fopen(new, "wb");
if (change_file_mode_rw(new_fp, new) < 0) {
FILE_OP_ERROR(new, "chmod");
g_warning("can't change file mode\n");
}
mbox_lockwrite_file(new_fp, new);
result = TRUE;
count = 0;
msg_list = mbox_cache_get_msg_list(mbox);
for(l = msg_list ; l != NULL ; l = g_list_next(l)) {
struct _message * msg = (struct _message *) l->data;
if (MSG_IS_INVALID(msg->flags) || !MSG_IS_REALLY_DELETED(msg->flags)) {
if (!mbox_write_message(mbox_fp, new_fp, new, msg)) {
result = FALSE;
break;
}
count ++;
}
}
unlink(mbox);
if (rename(new, mbox) == -1) {
g_warning("can't rename %s to %s\n", new, mbox);
mbox_unlock_file(new_fp, new);
fclose(new_fp);
mbox_unlock_file(mbox_fp, mbox);
fclose(mbox_fp);
g_free(new);
return -1;
}
if (change_file_mode_rw(new_fp, mbox) < 0) {
FILE_OP_ERROR(new, "chmod");
g_warning("can't change file mode\n");
}
mbox_unlock_file(new_fp, new);
fclose(new_fp);
mbox_unlock_file(mbox_fp, mbox);
fclose(mbox_fp);
debug_print("%i messages written - %s\n", count, mbox);
mbox_cache_synchronize(mbox, FALSE);
g_free(new);
return result;
}
#define MAKE_DIR_IF_NOT_EXIST(dir) \
{ \
if (!is_dir_exist(dir)) { \
if (is_file_exist(dir)) { \
g_warning("File `%s' already exists.\n" \
"Can't create folder.", dir); \
return -1; \
} \
if (mkdir(dir, S_IRWXU) < 0) { \
FILE_OP_ERROR(dir, "mkdir"); \
return -1; \
} \
if (chmod(dir, S_IRWXU) < 0) \
FILE_OP_ERROR(dir, "chmod"); \
} \
}
gint mbox_create_tree(Folder *folder)
{
gchar *rootpath;
g_return_val_if_fail(folder != NULL, -1);
CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), -1);
rootpath = LOCAL_FOLDER(folder)->rootpath;
MAKE_DIR_IF_NOT_EXIST(rootpath);
CHDIR_RETURN_VAL_IF_FAIL(rootpath, -1);
return 0;
}
#undef MAKE_DIR_IF_NOT_EXIST
static gchar * mbox_get_new_path(FolderItem * parent, gchar * name)
{
gchar * path;
if (strchr(name, '/') == NULL) {
if (parent->path != NULL)
path = g_strconcat(parent->path, ".sbd", G_DIR_SEPARATOR_S, name, NULL);
else
path = g_strdup(name);
}
else
path = g_strdup(name);
return path;
}
static gchar * mbox_get_folderitem_name(gchar * name)
{
gchar * foldername;
foldername = g_strdup(g_basename(name));
return foldername;
}
FolderItem *mbox_create_folder(Folder *folder, FolderItem *parent,
const gchar *name)
{
gchar * path;
FolderItem *new_item;
gchar * foldername;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(parent != NULL, NULL);
g_return_val_if_fail(name != NULL, NULL);
path = mbox_get_new_path(parent, (gchar *) name);
foldername = mbox_get_folderitem_name((gchar *) name);
new_item = folder_item_new(folder, foldername, path);
folder_item_append(parent, new_item);
if (!strcmp(name, "inbox")) {
new_item->stype = F_INBOX;
new_item->folder->inbox = new_item;
} else if (!strcmp(name, "outbox")) {
new_item->stype = F_OUTBOX;
new_item->folder->outbox = new_item;
} else if (!strcmp(name, "draft")) {
new_item->stype = F_DRAFT;
new_item->folder->draft = new_item;
} else if (!strcmp(name, "queue")) {
new_item->stype = F_QUEUE;
new_item->folder->queue = new_item;
} else if (!strcmp(name, "trash")) {
new_item->stype = F_TRASH;
new_item->folder->trash = new_item;
}
g_free(foldername);
g_free(path);
return new_item;
}
gint mbox_rename_folder(Folder *folder, FolderItem *item, const gchar *name)
{
gchar * path;
gchar * foldername;
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);
path = mbox_get_new_path(item->parent, (gchar *) name);
foldername = mbox_get_folderitem_name((gchar *) name);
if (rename(item->path, path) == -1) {
g_free(foldername);
g_free(path);
g_warning("Cannot rename folder item");
return -1;
}
else {
g_free(item->name);
g_free(item->path);
item->path = path;
item->name = foldername;
return 0;
}
}
gint mbox_remove_folder(Folder *folder, FolderItem *item)
{
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);
folder_item_remove(item);
return 0;
}
gint mbox_get_num_list(Folder *folder, FolderItem *item, GSList **mlist)
{
GList * l;
FILE * fp;
gchar * mbox_path;
gint nummsgs = 0;
mbox_path = mbox_folder_get_path(item);
if (mbox_path == NULL)
return -1;
mbox_purge_deleted(mbox_path);
fp = fopen(mbox_path, "rb");
if (fp == NULL) {
g_free(mbox_path);
return -1;
}
mbox_lockread_file(fp, mbox_path);
mbox_cache_synchronize_from_file(fp, mbox_path, TRUE);
item->last_num = mbox_cache_get_count(mbox_path);
for(l = mbox_cache_get_msg_list(mbox_path) ; l != NULL ;
l = g_list_next(l)) {
struct _message * msg;
msg = (struct _message *) l->data;
if (MSG_IS_INVALID(msg->flags) || !MSG_IS_REALLY_DELETED(msg->flags)) {
*mlist = g_slist_append(*mlist, GINT_TO_POINTER(msg->msgnum));
nummsgs++;
} else {
MSG_SET_PERM_FLAGS(msg->flags, MSG_REALLY_DELETED);
}
}
mbox_unlock_file(fp, mbox_path);
g_free(mbox_path);
fclose(fp);
return nummsgs;
}
MsgInfo *mbox_get_msginfo(Folder *folder, FolderItem *item, gint num)
{
gchar *mbox_path;
struct _message *msg;
FILE *src;
MsgInfo *msginfo;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(item != NULL, NULL);
mbox_path = mbox_folder_get_path(item);
g_return_val_if_fail(mbox_path != NULL, NULL);
src = fopen(mbox_path, "rb");
if (src == NULL) {
g_free(mbox_path);
return NULL;
}
mbox_lockread_file(src, mbox_path);
mbox_cache_synchronize_from_file(src, mbox_path, TRUE);
msg = mbox_cache_get_msg(mbox_path, num);
if (msg == NULL) {
mbox_unlock_file(src, mbox_path);
fclose(src);
g_free(mbox_path);
return NULL;
}
fseek(src, msg->header, SEEK_SET);
msginfo = mbox_parse_msg(src, msg, item);
mbox_unlock_file(src, mbox_path);
fclose(src);
g_free(mbox_path);
return msginfo;
}
gboolean mbox_check_msgnum_validity(Folder *folder, FolderItem *item)
{
mboxcache * old_cache;
gboolean scan_new = TRUE;
struct stat s;
gchar *filename;
filename = mbox_folder_get_path(item);
old_cache = mbox_cache_get_mbox(filename);
if (old_cache != NULL) {
if (stat(filename, &s) < 0) {
FILE_OP_ERROR(filename, "stat");
} else if (old_cache->mtime == s.st_mtime) {
debug_print("Folder is not modified.\n");
scan_new = FALSE;
}
}
g_free(filename);
return !scan_new;
}
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