mirror of https://github.com/djcb/mu.git
856 lines
21 KiB
C
856 lines
21 KiB
C
/*
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** Copyright (C) 2008-2011 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
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**
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** This program is free software; you can redistribute it and/or modify it
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** under the terms of the GNU General Public License as published by the
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** Free Software Foundation; either version 3, or (at your option) any
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** later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software Foundation,
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** Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**
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*/
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#if HAVE_CONFIG_H
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#include "config.h"
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#endif /*HAVE_CONFIG_H*/
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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/* hopefully, the should get us a sane PATH_MAX */
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#include <limits.h>
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/* not all systems provide PATH_MAX in limits.h */
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#ifndef PATH_MAX
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#include <sys/param.h>
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#ifndef PATH_MAX
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#define PATH_MAX MAXPATHLEN
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#endif /*!PATH_MAX */
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#endif /*PATH_MAX */
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#include <string.h>
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#include <errno.h>
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#include <glib/gprintf.h>
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#include "mu-util.h"
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#include "mu-maildir.h"
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#include "mu-str.h"
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#define MU_MAILDIR_NOINDEX_FILE ".noindex"
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/* On Linux (and some BSD), we have entry->d_type, but some file
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* systems (XFS, ReiserFS) do not support it, and set it DT_UNKNOWN.
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* On other OSs, notably Solaris, entry->d_type is not present at all.
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* For these cases, we use lstat (in get_dtype) as a slower fallback,
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* and return it in the d_type parameter
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*/
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#ifdef HAVE_STRUCT_DIRENT_D_TYPE
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#define GET_DTYPE(DE,FP) \
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((DE)->d_type == DT_UNKNOWN ? mu_util_get_dtype_with_lstat((FP)) : (DE)->d_type)
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#else
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#define GET_DTYPE(DE,FP) \
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mu_util_get_dtype_with_lstat((FP))
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#endif /*HAVE_STRUCT_DIRENT_D_TYPE*/
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static gboolean
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create_maildir (const char *path, mode_t mode, GError **err)
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{
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int i;
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const gchar* subdirs[] = {"new", "cur", "tmp"};
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/* make sure it does not exist yet */
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if (access (path, F_OK) == 0)
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errno = EEXIST;
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if (errno != ENOENT) {
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g_set_error (err, 0, MU_ERROR_FILE, "%s", strerror (errno));
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return FALSE;
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}
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for (i = 0; i != G_N_ELEMENTS(subdirs); ++i) {
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const char *fullpath;
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int rv;
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/* static buffer */
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fullpath = mu_str_fullpath_s (path, subdirs[i]);
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rv = g_mkdir_with_parents (fullpath, (int)mode);
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if (rv != 0) {
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g_set_error (err, 0, MU_ERROR_FILE_CANNOT_MKDIR,
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"g_mkdir_with_parents failed: %s",
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strerror (errno));
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return FALSE;
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}
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}
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return TRUE;
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}
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static gboolean
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create_noindex (const char *path, GError **err)
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{
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/* create a noindex file if requested */
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int fd;
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const char *noindexpath;
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/* static buffer */
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noindexpath = mu_str_fullpath_s (path, MU_MAILDIR_NOINDEX_FILE);
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fd = creat (noindexpath, 0644);
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/* note, if the 'close' failed, creation may still have
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* succeeded...*/
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if (fd < 0 || close (fd) != 0) {
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g_set_error (err, 0, MU_ERROR_FILE_CANNOT_CREATE,
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"error in create_noindex: %s",
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strerror (errno));
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return FALSE;
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}
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return TRUE;
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}
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gboolean
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mu_maildir_mkdir (const char* path, mode_t mode, gboolean noindex, GError **err)
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{
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g_return_val_if_fail (path, FALSE);
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MU_WRITE_LOG ("%s (%s, %o, %s)", __FUNCTION__,
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path, mode, noindex ? "TRUE" : "FALSE");
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if (!create_maildir (path, mode, err))
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return FALSE;
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if (noindex && !create_noindex (path, err))
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return FALSE;
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return TRUE;
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}
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/* determine whether the source message is in 'new' or in 'cur';
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* we ignore messages in 'tmp' for obvious reasons */
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static gboolean
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check_subdir (const char *src, gboolean *in_cur, GError **err)
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{
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gchar *srcpath;
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srcpath = g_path_get_dirname (src);
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if (g_str_has_suffix (srcpath, "new"))
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*in_cur = FALSE;
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else if (g_str_has_suffix (srcpath, "cur"))
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*in_cur = TRUE;
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else {
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g_set_error(err, 0, MU_ERROR_FILE_INVALID_SOURCE,
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"invalid source message '%s'", src);
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return FALSE;
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}
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g_free (srcpath);
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return TRUE;
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}
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static gchar*
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get_target_fullpath (const char* src, const gchar *targetpath, GError **err)
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{
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gchar *targetfullpath, *srcfile;
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gboolean in_cur;
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if (!check_subdir (src, &in_cur, err))
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return NULL;
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srcfile = g_path_get_basename (src);
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/* create targetpath; note: make the filename cough* unique by
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*including a hash * of the srcname in the targetname. This
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*helps if there are * copies of a message (which all have the
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*same basename)*/
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targetfullpath = g_strdup_printf ("%s%c%s%c%u_%s",
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targetpath,
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G_DIR_SEPARATOR,
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in_cur ? "cur" : "new",
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G_DIR_SEPARATOR,
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g_str_hash(src),
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srcfile);
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g_free (srcfile);
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return targetfullpath;
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}
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gboolean
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mu_maildir_link (const char* src, const char *targetpath, GError **err)
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{
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gchar *targetfullpath;
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int rv;
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g_return_val_if_fail (src, FALSE);
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g_return_val_if_fail (targetpath, FALSE);
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targetfullpath = get_target_fullpath (src, targetpath, err);
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if (!targetfullpath)
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return FALSE;
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rv = symlink (src, targetfullpath);
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if (rv != 0) {
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g_set_error (err, 0, MU_ERROR_FILE_CANNOT_LINK,
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"error creating link %s => %s: %s",
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targetfullpath, src, strerror (errno));
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g_free (targetfullpath);
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return FALSE;
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}
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g_free (targetfullpath);
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return TRUE;
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}
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static MuResult process_dir (const char* path, const gchar *mdir,
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MuMaildirWalkMsgCallback msg_cb,
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MuMaildirWalkDirCallback dir_cb, void *data);
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static MuResult
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process_file (const char* fullpath, const gchar* mdir,
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MuMaildirWalkMsgCallback msg_cb, void *data)
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{
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MuResult result;
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struct stat statbuf;
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if (!msg_cb)
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return MU_OK;
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if (G_UNLIKELY(access(fullpath, R_OK) != 0)) {
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g_warning ("cannot access %s: %s", fullpath,
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strerror(errno));
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return MU_ERROR;
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}
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if (G_UNLIKELY(stat (fullpath, &statbuf) != 0)) {
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g_warning ("cannot stat %s: %s", fullpath, strerror(errno));
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return MU_ERROR;
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}
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result = (msg_cb)(fullpath, mdir, &statbuf, data);
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if (result == MU_STOP)
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g_debug ("callback said 'MU_STOP' for %s", fullpath);
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else if (result == MU_ERROR)
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g_warning ("%s: failed %d in callback (%s)",
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__FUNCTION__, result, fullpath);
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return result;
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}
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/*
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* determine if path is a maildir leaf-dir; ie. if it's 'cur' or 'new'
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* (we're skipping 'tmp' for obvious reasons)
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*/
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G_GNUC_CONST static gboolean
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is_maildir_new_or_cur (const char *path)
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{
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size_t len;
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g_return_val_if_fail (path, FALSE);
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/* path is the full path; it cannot possibly be shorter
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* than 4 for a maildir (/cur or /new) */
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len = strlen (path);
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if (G_UNLIKELY(len < 4))
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return FALSE;
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/* optimization; one further idea would be cast the 4 bytes to an integer
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* and compare that -- need to think about alignment, endianness */
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if (path[len - 4] == G_DIR_SEPARATOR &&
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path[len - 3] == 'c' &&
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path[len - 2] == 'u' &&
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path[len - 1] == 'r')
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return TRUE;
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if (path[len - 4] == G_DIR_SEPARATOR &&
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path[len - 3] == 'n' &&
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path[len - 2] == 'e' &&
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path[len - 1] == 'w')
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return TRUE;
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return FALSE;
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}
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/* check if there is a noindex file (MU_MAILDIR_NOINDEX_FILE) in this
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* dir; */
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static gboolean
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has_noindex_file (const char *path)
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{
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const char* noindexpath;
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/* static buffer */
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noindexpath = mu_str_fullpath_s (path, MU_MAILDIR_NOINDEX_FILE);
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if (access (noindexpath, F_OK) == 0)
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return TRUE;
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else if (G_UNLIKELY(errno != ENOENT))
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g_warning ("error testing for noindex file %s: %s",
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noindexpath, strerror(errno));
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return FALSE;
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}
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static gboolean
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ignore_dir_entry (struct dirent *entry, unsigned char d_type)
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{
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const char *name;
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/* if it's not a dir and not a file, ignore it.
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* note, this means also symlinks (DT_LNK) are ignored,
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* maybe make this optional */
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if (G_UNLIKELY(d_type != DT_REG && d_type != DT_DIR))
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return TRUE;
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name = entry->d_name;
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/* ignore '.' and '..' dirs, as well as .notmuch and
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* .nnmaildir */
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/* does not start with '.', so don't ignore */
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if (G_LIKELY(name[0] != '.'))
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return FALSE;
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/* ignore . and .. */
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if (name[1] == '\0' || (name[1] == '.' && name[2] == '\0'))
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return TRUE;
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/* ignore .notmuch, .nnmaildir */
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if ((name[1] == 'n') && /* optimization */
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(strcmp (name, ".notmuch") == 0 ||
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strcmp (name, ".nnmaildir") == 0))
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return TRUE;
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/* ignore '.#evolution */
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if ((name[1] == '#') &&
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(strcmp (name, ".#evolution")))
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return TRUE;
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return FALSE;
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}
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static gchar*
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get_mdir_for_path (const gchar *old_mdir, const gchar *dir)
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{
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if (dir[0] != 'n' && dir[0] != 'c' &&
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strcmp(dir, "cur") != 0 && strcmp(dir, "new") != 0)
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return g_strconcat (old_mdir ? old_mdir : "",
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G_DIR_SEPARATOR_S, dir, NULL);
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else
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return strdup (old_mdir ? old_mdir : G_DIR_SEPARATOR_S);
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}
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static MuResult
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process_dir_entry (const char* path, const char* mdir, struct dirent *entry,
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MuMaildirWalkMsgCallback cb_msg,
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MuMaildirWalkDirCallback cb_dir,
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void *data)
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{
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const char *fp;
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char* fullpath;
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unsigned char d_type;
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/* we have to copy the buffer from fullpath_s, because it
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* returns a static buffer, and we maybe called reentrantly */
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fp = mu_str_fullpath_s (path, entry->d_name);
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fullpath = g_newa (char, strlen(fp) + 1);
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strcpy (fullpath, fp);
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d_type = GET_DTYPE(entry, fullpath);
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/* ignore special files/dirs */
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if (ignore_dir_entry (entry, d_type))
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return MU_OK;
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switch (d_type) {
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case DT_REG: /* we only want files in cur/ and new/ */
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if (!is_maildir_new_or_cur (path))
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return MU_OK;
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return process_file (fullpath, mdir, cb_msg, data);
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case DT_DIR: {
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char *my_mdir;
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MuResult rv;
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my_mdir = get_mdir_for_path (mdir, entry->d_name);
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rv = process_dir (fullpath, my_mdir, cb_msg, cb_dir, data);
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g_free (my_mdir);
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return rv;
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}
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default:
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return MU_OK; /* ignore other types */
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}
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}
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static struct dirent*
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dirent_copy (struct dirent *entry)
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{
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struct dirent *d;
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d = g_slice_new (struct dirent);
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/* NOTE: simply memcpy'ing sizeof(struct dirent) bytes will
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* give memory errors. */
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return (struct dirent*) memcpy (d, entry, entry->d_reclen);
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}
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static void
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dirent_destroy (struct dirent *entry)
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{
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g_slice_free (struct dirent, entry);
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}
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#ifdef HAVE_STRUCT_DIRENT_D_INO
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static int
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dirent_cmp (struct dirent *d1, struct dirent *d2)
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{
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/* we do it his way instead of a simple d1->d_ino - d2->d_ino
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* because this way, we don't need 64-bit numbers for the
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* actual sorting */
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if (d1->d_ino < d2->d_ino)
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return -1;
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else if (d1->d_ino > d2->d_ino)
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return 1;
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else
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return 0;
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}
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#endif /*HAVE_STRUCT_DIRENT_D_INO*/
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static MuResult
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process_dir_entries (DIR *dir, const char* path, const char* mdir,
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MuMaildirWalkMsgCallback msg_cb,
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MuMaildirWalkDirCallback dir_cb, void *data)
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{
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MuResult result;
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GSList *lst, *c;
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struct dirent *entry;
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lst = NULL;
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while ((entry = readdir (dir)))
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lst = g_slist_prepend (lst, dirent_copy(entry));
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/* we sort by inode; this makes things much faster on
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* extfs2,3 */
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#if HAVE_STRUCT_DIRENT_D_INO
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c = lst = g_slist_sort (lst, (GCompareFunc)dirent_cmp);
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#endif /*HAVE_STRUCT_DIRENT_D_INO*/
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for (c = lst, result = MU_OK; c && result == MU_OK; c = g_slist_next(c)) {
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result = process_dir_entry (path, mdir,
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(struct dirent*)c->data,
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msg_cb, dir_cb, data);
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/* hmmm, break on MU_ERROR as well? */
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if (result == MU_STOP)
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break;
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}
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g_slist_foreach (lst, (GFunc)dirent_destroy, NULL);
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g_slist_free (lst);
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return result;
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}
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static MuResult
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process_dir (const char* path, const char* mdir,
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MuMaildirWalkMsgCallback msg_cb,
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MuMaildirWalkDirCallback dir_cb, void *data)
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{
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MuResult result;
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DIR* dir;
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/* if it has a noindex file, we ignore this dir */
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if (has_noindex_file (path)) {
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g_debug ("found .noindex: ignoring dir %s", path);
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return MU_OK;
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}
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dir = opendir (path);
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if (G_UNLIKELY(!dir)) {
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g_warning ("%s: ignoring %s: %s", __FUNCTION__,
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path, strerror(errno));
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return MU_OK;
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}
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if (dir_cb) {
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MuResult rv;
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rv = dir_cb (path, TRUE, data);
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if (rv != MU_OK) {
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closedir (dir);
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return rv;
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}
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}
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result = process_dir_entries (dir, path, mdir, msg_cb, dir_cb, data);
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closedir (dir);
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/* only run dir_cb if it exists and so far, things went ok */
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if (dir_cb && result == MU_OK)
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return dir_cb (path, FALSE, data);
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return result;
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}
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MuResult
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mu_maildir_walk (const char *path, MuMaildirWalkMsgCallback cb_msg,
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MuMaildirWalkDirCallback cb_dir, void *data)
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{
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MuResult rv;
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char *mypath;
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g_return_val_if_fail (path && cb_msg, MU_ERROR);
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g_return_val_if_fail (mu_util_check_dir(path, TRUE, FALSE), MU_ERROR);
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/* strip the final / or \ */
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mypath = g_strdup (path);
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if (mypath[strlen(mypath)-1] == G_DIR_SEPARATOR)
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mypath[strlen(mypath)-1] = '\0';
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rv = process_dir (mypath, NULL, cb_msg, cb_dir, data);
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g_free (mypath);
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return rv;
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}
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static gboolean
|
|
clear_links (const gchar* dirname, DIR *dir, GError **err)
|
|
{
|
|
struct dirent *entry;
|
|
gboolean rv;
|
|
|
|
rv = TRUE;
|
|
errno = 0;
|
|
while ((entry = readdir (dir))) {
|
|
|
|
const char *fp;
|
|
char *fullpath;
|
|
unsigned char d_type;
|
|
|
|
/* ignore empty, dot thingies */
|
|
if (!entry->d_name || entry->d_name[0] == '.')
|
|
continue;
|
|
|
|
/* we have to copy the buffer from fullpath_s, because
|
|
* it returns a static buffer and we are
|
|
* recursive*/
|
|
fp = mu_str_fullpath_s (dirname, entry->d_name);
|
|
fullpath = g_newa (char, strlen(fp) + 1);
|
|
strcpy (fullpath, fp);
|
|
|
|
d_type = GET_DTYPE (entry, fullpath);
|
|
|
|
/* ignore non-links / non-dirs */
|
|
if (d_type != DT_LNK && d_type != DT_DIR)
|
|
continue;
|
|
|
|
if (d_type == DT_LNK) {
|
|
if (unlink (fullpath) != 0) {
|
|
/* don't use err */
|
|
g_warning ("error unlinking %s: %s",
|
|
fullpath, strerror(errno));
|
|
rv = FALSE;
|
|
}
|
|
} else /* DT_DIR, see check before*/
|
|
rv = mu_maildir_clear_links (fullpath, err);
|
|
}
|
|
|
|
if (errno != 0)
|
|
g_set_error (err, 0, MU_ERROR_FILE,
|
|
"file error: %s", strerror(errno));
|
|
|
|
return (rv == FALSE && errno == 0);
|
|
}
|
|
|
|
|
|
gboolean
|
|
mu_maildir_clear_links (const gchar* path, GError **err)
|
|
{
|
|
DIR *dir;
|
|
gboolean rv;
|
|
|
|
g_return_val_if_fail (path, FALSE);
|
|
|
|
dir = opendir (path);
|
|
if (!dir) {
|
|
g_set_error (err, 0, MU_ERROR_FILE_CANNOT_OPEN,
|
|
"failed to open %s: %s", path,
|
|
strerror(errno));
|
|
return FALSE;
|
|
}
|
|
|
|
rv = clear_links (path, dir, err);
|
|
closedir (dir);
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
/*
|
|
* is this a 'new' msg or a 'cur' msg?; if new, we return
|
|
* (in info) a ptr to the info part
|
|
*/
|
|
enum _MsgType { MSG_TYPE_CUR, MSG_TYPE_NEW, MSG_TYPE_OTHER };
|
|
typedef enum _MsgType MsgType;
|
|
|
|
static MsgType
|
|
check_msg_type (const char *path, char **info)
|
|
{
|
|
char *dir, *file;
|
|
MsgType mtype;
|
|
|
|
/* try to find the info part */
|
|
/* note that we can use either the ':' or '!' as separator;
|
|
* the former is the official, but as it does not work on e.g. VFAT
|
|
* file systems, some Maildir implementations use the latter instead
|
|
* (or both). For example, Tinymail/modest does this. The python
|
|
* documentation at http://docs.python.org/lib/mailbox-maildir.html
|
|
* mentions the '!' as well as a 'popular choice'
|
|
*/
|
|
|
|
*info = NULL;
|
|
dir = g_path_get_dirname(path);
|
|
file = g_path_get_basename(path);
|
|
|
|
if (!(*info = strrchr(file, ':')))
|
|
*info = strrchr(file, '!'); /* Tinymail */
|
|
if (*info)
|
|
++(*info); /* skip the ':' or '!' */
|
|
|
|
if (g_str_has_suffix(dir, G_DIR_SEPARATOR_S "cur")) {
|
|
if (!*info)
|
|
g_debug("'cur' file, but no info part: %s", path);
|
|
mtype = MSG_TYPE_CUR;
|
|
} else if (g_str_has_suffix(dir, G_DIR_SEPARATOR_S "new")) {
|
|
if (*info)
|
|
g_debug("'new' file, ignoring info part: %s", path);
|
|
mtype = MSG_TYPE_NEW;
|
|
} else
|
|
mtype = MSG_TYPE_OTHER; /* file has been added explicitly as
|
|
a single message */
|
|
if (*info)
|
|
*info = g_strdup(*info);
|
|
|
|
g_free(dir);
|
|
g_free(file);
|
|
|
|
return mtype;
|
|
}
|
|
|
|
|
|
MuMsgFlags
|
|
mu_maildir_get_flags_from_path (const char *path)
|
|
{
|
|
MuMsgFlags flags;
|
|
MsgType mtype;
|
|
char *info = NULL, *cursor;
|
|
|
|
g_return_val_if_fail (path, MU_MSG_FLAG_NONE);
|
|
g_return_val_if_fail (!g_str_has_suffix(path, G_DIR_SEPARATOR_S),
|
|
MU_MSG_FLAG_NONE);
|
|
|
|
mtype = check_msg_type (path, &info);
|
|
if (mtype == MSG_TYPE_NEW) { /* we ignore any new-msg flags */
|
|
/* note NEW implies UNREAD */
|
|
flags = MU_MSG_FLAG_NEW | MU_MSG_FLAG_UNREAD;
|
|
goto leave;
|
|
}
|
|
|
|
flags = MU_MSG_FLAG_NONE;
|
|
if ((mtype != MSG_TYPE_CUR && mtype != MSG_TYPE_OTHER) ||
|
|
!(info && info[0] == '2' && info[1] == ','))
|
|
goto leave;
|
|
|
|
for (cursor = info + 2; *cursor; ++cursor) {
|
|
switch (*cursor) {
|
|
case 'P': flags |= MU_MSG_FLAG_PASSED; break;
|
|
case 'T': flags |= MU_MSG_FLAG_TRASHED; break;
|
|
case 'R': flags |= MU_MSG_FLAG_REPLIED; break;
|
|
case 'S': flags |= MU_MSG_FLAG_SEEN; break;
|
|
case 'D': flags |= MU_MSG_FLAG_DRAFT; break;
|
|
case 'F': flags |= MU_MSG_FLAG_FLAGGED; break;
|
|
default: break; /* ignore */
|
|
}
|
|
}
|
|
|
|
/* the UNREAD pseudo flag => NEW OR NOT SEEN */
|
|
if (!(flags & MU_MSG_FLAG_SEEN))
|
|
flags |= MU_MSG_FLAG_UNREAD;
|
|
|
|
leave:
|
|
g_free(info);
|
|
return flags;
|
|
}
|
|
|
|
/* note: returns static string, non-reentrant */
|
|
static const char*
|
|
get_flags_str_s (MuMsgFlags flags)
|
|
{
|
|
int i;
|
|
static char flagstr[7];
|
|
|
|
i = 0;
|
|
|
|
/* now, determine the flags to use */
|
|
if (flags & MU_MSG_FLAG_DRAFT)
|
|
flagstr[i++] = 'D';
|
|
if (flags & MU_MSG_FLAG_FLAGGED)
|
|
flagstr[i++] = 'F';
|
|
if (flags & MU_MSG_FLAG_PASSED)
|
|
flagstr[i++] = 'P';
|
|
if (flags & MU_MSG_FLAG_REPLIED)
|
|
flagstr[i++] = 'R';
|
|
if (flags & MU_MSG_FLAG_SEEN)
|
|
flagstr[i++] = 'S';
|
|
if (flags & MU_MSG_FLAG_TRASHED)
|
|
flagstr[i++] = 'T';
|
|
|
|
flagstr[i] = '\0';
|
|
|
|
return flagstr;
|
|
}
|
|
|
|
|
|
/*
|
|
* take an exising message path, and return a new path, based on
|
|
* whether it should be in 'new' or 'cur'; ie.
|
|
*
|
|
* /home/user/Maildir/foo/bar/cur/abc:2,F and flags == MU_MSG_FLAG_NEW
|
|
* => /home/user/Maildir/foo/bar/new
|
|
* and
|
|
* /home/user/Maildir/foo/bar/new/abc and flags == MU_MSG_FLAG_REPLIED
|
|
* => /home/user/Maildir/foo/bar/cur
|
|
*
|
|
* so only difference is whether MuMsgFlags matches MU_MSG_FLAG_NEW is set or not
|
|
*
|
|
*/
|
|
static char*
|
|
get_new_dir_name (const char* oldpath, MuMsgFlags flags)
|
|
{
|
|
char *newpath, *dirpart;
|
|
|
|
/* g_path_get_dirname is not explicit about whether it ends in
|
|
* a dir-separator (\ or /), so we need to check both */
|
|
const char* cur4 = G_DIR_SEPARATOR_S "cur";
|
|
const char* cur5 = G_DIR_SEPARATOR_S "cur" G_DIR_SEPARATOR_S;
|
|
const char* new4 = G_DIR_SEPARATOR_S "new";
|
|
const char* new5 = G_DIR_SEPARATOR_S "new" G_DIR_SEPARATOR_S;
|
|
|
|
g_return_val_if_fail (oldpath, NULL);
|
|
/* if MU_MSG_FLAG_NEW is set, it must be the only flag */
|
|
g_return_val_if_fail (flags & MU_MSG_FLAG_NEW ?
|
|
flags == MU_MSG_FLAG_NEW : TRUE, NULL);
|
|
|
|
newpath = g_path_get_dirname (oldpath);
|
|
if (g_str_has_suffix (newpath, cur4) || g_str_has_suffix (newpath, new4))
|
|
dirpart = &newpath[strlen(newpath) - strlen(cur4)];
|
|
else if (g_str_has_suffix (newpath, cur5) || g_str_has_suffix (newpath, new5))
|
|
dirpart = &newpath[strlen(newpath) - strlen(cur5)];
|
|
else {
|
|
g_warning ("invalid maildir path: %s", oldpath);
|
|
g_free (newpath);
|
|
return NULL;
|
|
}
|
|
|
|
/* now, copy the desired dir part behind this */
|
|
if (flags & MU_MSG_FLAG_NEW)
|
|
memcpy (dirpart, new4, strlen(new4) + 1);
|
|
else
|
|
memcpy (dirpart, cur4, strlen(cur4) + 1);
|
|
|
|
return newpath;
|
|
}
|
|
|
|
/*
|
|
* get a new filename for the message, based on the new flags; if the
|
|
* message has MU_MSG_FLAG_NEW, it will loose its flags
|
|
*
|
|
*/
|
|
static char*
|
|
get_new_file_name (const char *oldpath, MuMsgFlags flags)
|
|
{
|
|
gchar *newname, *sep;
|
|
|
|
/* if MU_MSG_FLAG_NEW is set, it must be the only flag */
|
|
g_return_val_if_fail (flags & MU_MSG_FLAG_NEW ?
|
|
flags == MU_MSG_FLAG_NEW : TRUE, NULL);
|
|
|
|
/* the normal separator is ':', but on e.g. vfat, '!' is seen
|
|
* as well */
|
|
newname = g_path_get_basename (oldpath);
|
|
if (!newname) {
|
|
g_warning ("invalid path: '%s'", oldpath);
|
|
return NULL;
|
|
}
|
|
|
|
if (!(sep = g_strrstr (newname, ":")) &&
|
|
!(sep = g_strrstr (newname, "!"))) {
|
|
g_warning ("not a valid msg file name: '%s'", oldpath);
|
|
g_free (newname);
|
|
return NULL;
|
|
}
|
|
|
|
if (flags & MU_MSG_FLAG_NEW)
|
|
sep[0] = '\0'; /* remove all, including ':' or '!' */
|
|
else {
|
|
gchar *tmp;
|
|
sep[1] = '\0'; /* remove flags, but keep ':' or '!' */
|
|
sep[flags & MU_MSG_FLAG_NEW ? 0 : 1] = '\0';
|
|
tmp = newname;
|
|
newname = g_strdup_printf ("%s2,%s", newname, get_flags_str_s (flags));
|
|
g_free (tmp);
|
|
}
|
|
|
|
return newname;
|
|
}
|
|
|
|
char*
|
|
mu_maildir_get_path_from_flags (const char *oldpath, MuMsgFlags newflags)
|
|
{
|
|
char *newname, *newdir, *newpath;
|
|
|
|
g_return_val_if_fail (oldpath, NULL);
|
|
g_return_val_if_fail (newflags != MU_MSG_FLAG_NONE, NULL);
|
|
/* if MU_MSG_FLAG_NEW is set, it must be the only flag */
|
|
g_return_val_if_fail (newflags & MU_MSG_FLAG_NEW ?
|
|
newflags == MU_MSG_FLAG_NEW : TRUE, NULL);
|
|
|
|
newname = get_new_file_name (oldpath, newflags);
|
|
if (!newname)
|
|
return NULL;
|
|
|
|
newdir = get_new_dir_name (oldpath, newflags);
|
|
if (!newdir) {
|
|
g_free (newname);
|
|
return NULL;
|
|
}
|
|
|
|
newpath = g_strdup_printf ("%s%c%s", newdir, G_DIR_SEPARATOR, newname);
|
|
g_free (newname);
|
|
g_free (newdir);
|
|
|
|
return newpath;
|
|
}
|