void ls_switch_file( ChannelLog *cl )
{
static char tmbuf[MAXPATH];
static char newfname[MAXPATH];
static char oldfname[MAXPATH];
int res;
/* no need to switch, its not opened */
if( cl->logfile == NULL ) return;
ls_close_log( cl );
/* check if the target directory exists */
if( os_create_dir( LogServ.savedir ) != NS_SUCCESS )
{
return;
}
os_strftime( tmbuf, MAXPATH, "%d%m%Y%H%M%S", os_localtime( &me.now ) );
ircsnprintf( newfname, MAXPATH, "%s/%s-%s.log", LogServ.savedir, cl->filename, tmbuf );
ircsnprintf( oldfname, MAXPATH, "%s/%s.log", LogServ.logdir, cl->filename );
res = os_rename( oldfname, newfname );
if( res != 0 ) {
nlog( LOG_CRITICAL, "Couldn't rename file %s: %s", oldfname, os_strerror() );
return;
}
nlog( LOG_NORMAL, "Switched Logfile for %s from %s to %s", cl->channame, oldfname, newfname );
}
bool os_quick_write_utf8_file_safe(const char *path, const char *str,
size_t len, bool marker, const char *temp_ext,
const char *backup_ext)
{
struct dstr backup_path = {0};
struct dstr temp_path = {0};
bool success = false;
if (!temp_ext || !*temp_ext) {
blog(LOG_ERROR, "os_quick_write_utf8_file_safe: invalid "
"temporary extension specified");
return false;
}
dstr_copy(&temp_path, path);
if (*temp_ext != '.')
dstr_cat(&temp_path, ".");
dstr_cat(&temp_path, temp_ext);
if (!os_quick_write_utf8_file(temp_path.array, str, len, marker)) {
goto cleanup;
}
if (backup_ext && *backup_ext) {
dstr_copy(&backup_path, path);
if (*backup_ext != '.')
dstr_cat(&backup_path, ".");
dstr_cat(&backup_path, backup_ext);
os_unlink(backup_path.array);
os_rename(path, backup_path.array);
dstr_free(&backup_path);
} else {
os_unlink(path);
}
os_rename(temp_path.array, path);
success = true;
cleanup:
dstr_free(&backup_path);
dstr_free(&temp_path);
return success;
}
static inline void replace_file(const char *src_base_path,
const char *dst_base_path, const char *file)
{
char *src_path = get_path(src_base_path, file);
char *dst_path = get_path(dst_base_path, file);
if (src_path && dst_path) {
os_unlink(dst_path);
os_rename(src_path, dst_path);
}
bfree(dst_path);
bfree(src_path);
}
static void copy_local_to_cache(struct update_info *info, const char *file)
{
char *local_file_path = get_path(info->local, file);
char *cache_file_path = get_path(info->cache, file);
char *temp_file_path = get_path(info->temp, file);
os_copyfile(local_file_path, temp_file_path);
os_unlink(cache_file_path);
os_rename(temp_file_path, cache_file_path);
bfree(local_file_path);
bfree(cache_file_path);
bfree(temp_file_path);
}
/* Implementation of traverse() visitor for subtree removal. Returns 0 on
* success, otherwise non-zero is returned. */
static VisitResult
rm_visitor(const char full_path[], VisitAction action, void *param)
{
io_args_t *const rm_args = param;
VisitResult result = VR_OK;
if(rm_args->cancellable && ui_cancellation_requested())
{
return VR_CANCELLED;
}
switch(action)
{
case VA_DIR_ENTER:
/* Do nothing, directories are removed on leaving them. */
result = VR_OK;
break;
case VA_FILE:
{
io_args_t args = {
.arg1.path = full_path,
.cancellable = rm_args->cancellable,
.estim = rm_args->estim,
.result = rm_args->result,
};
result = (iop_rmfile(&args) == 0) ? VR_OK : VR_ERROR;
rm_args->result = args.result;
break;
}
case VA_DIR_LEAVE:
{
io_args_t args = {
.arg1.path = full_path,
.cancellable = rm_args->cancellable,
.estim = rm_args->estim,
.result = rm_args->result,
};
result = (iop_rmdir(&args) == 0) ? VR_OK : VR_ERROR;
rm_args->result = args.result;
break;
}
}
return result;
}
int
ior_cp(io_args_t *const args)
{
const char *const src = args->arg1.src;
const char *const dst = args->arg2.dst;
if(is_in_subtree(dst, src))
{
(void)ioe_errlst_append(&args->result.errors, src, IO_ERR_UNKNOWN,
"Can't copy parent path into subpath");
return 1;
}
if(args->arg3.crs == IO_CRS_REPLACE_ALL)
{
io_args_t rm_args = {
.arg1.path = dst,
.cancellable = args->cancellable,
.estim = args->estim,
.result = args->result,
};
const int result = ior_rm(&rm_args);
args->result = rm_args.result;
if(result != 0)
{
if(!args->cancellable || !ui_cancellation_requested())
{
(void)ioe_errlst_append(&args->result.errors, dst, IO_ERR_UNKNOWN,
"Failed to remove");
}
return result;
}
}
return traverse(src, &cp_visitor, args);
}
/* Implementation of traverse() visitor for subtree copying. Returns 0 on
* success, otherwise non-zero is returned. */
static VisitResult
cp_visitor(const char full_path[], VisitAction action, void *param)
{
return cp_mv_visitor(full_path, action, param, 1);
}
int
ior_mv(io_args_t *const args)
{
const char *const src = args->arg1.src;
const char *const dst = args->arg2.dst;
const IoCrs crs = args->arg3.crs;
const io_confirm confirm = args->confirm;
if(crs == IO_CRS_FAIL && path_exists(dst, DEREF) && !is_case_change(src, dst))
{
(void)ioe_errlst_append(&args->result.errors, dst, EEXIST,
strerror(EEXIST));
return 1;
}
if(crs == IO_CRS_APPEND_TO_FILES)
{
if(!is_file(src))
{
(void)ioe_errlst_append(&args->result.errors, src, EISDIR,
strerror(EISDIR));
return 1;
}
if(!is_file(dst))
{
(void)ioe_errlst_append(&args->result.errors, dst, EISDIR,
strerror(EISDIR));
return 1;
}
}
else if(crs == IO_CRS_REPLACE_FILES && path_exists(dst, DEREF))
{
/* Ask user whether to overwrite destination file. */
if(confirm != NULL && !confirm(args, src, dst))
{
return 0;
}
}
if(os_rename(src, dst) == 0)
{
ioeta_update(args->estim, src, dst, 1, 0);
return 0;
}
switch(errno)
{
case EXDEV:
{
int result = ior_cp(args);
if(result == 0)
{
io_args_t rm_args = {
.arg1.path = src,
.cancellable = args->cancellable,
.estim = args->estim,
.result = args->result,
};
/* Disable progress reporting for this "secondary" operation. */
const int silent = ioeta_silent_on(rm_args.estim);
result = ior_rm(&rm_args);
args->result = rm_args.result;
ioeta_silent_set(rm_args.estim, silent);
}
return result;
}
case EISDIR:
case ENOTEMPTY:
case EEXIST:
#ifdef _WIN32
/* For MXE builds running in Wine. */
case EPERM:
case EACCES:
#endif
if(crs == IO_CRS_REPLACE_ALL)
{
int error;
io_args_t rm_args = {
.arg1.path = dst,
.cancellable = args->cancellable,
.estim = args->estim,
.result = args->result,
};
/* Ask user whether to overwrite destination file. */
if(confirm != NULL && !confirm(args, src, dst))
{
return 0;
}
error = ior_rm(&rm_args);
args->result = rm_args.result;
if(error != 0)
{
if(!args->cancellable || !ui_cancellation_requested())
{
(void)ioe_errlst_append(&args->result.errors, dst, IO_ERR_UNKNOWN,
"Failed to remove");
}
return error;
}
if(os_rename(src, dst) != 0)
{
(void)ioe_errlst_append(&args->result.errors, src, errno,
strerror(errno));
return 1;
}
return 0;
}
else if(crs == IO_CRS_REPLACE_FILES ||
(!has_atomic_file_replace() && crs == IO_CRS_APPEND_TO_FILES))
{
if(!has_atomic_file_replace() && is_file(dst))
{
io_args_t rm_args = {
.arg1.path = dst,
.cancellable = args->cancellable,
.estim = args->estim,
.result = args->result,
};
const int error = iop_rmfile(&rm_args);
args->result = rm_args.result;
if(error != 0)
{
if(!args->cancellable || !ui_cancellation_requested())
{
(void)ioe_errlst_append(&args->result.errors, dst, IO_ERR_UNKNOWN,
"Failed to remove");
}
return error;
}
}
return traverse(src, &mv_visitor, args);
}
/* Break is intentionally omitted. */
default:
(void)ioe_errlst_append(&args->result.errors, src, errno,
strerror(errno));
return errno;
}
}
/* Checks that path points to a file or symbolic link. Returns non-zero if so,
* otherwise zero is returned. */
static int
is_file(const char path[])
{
return !is_dir(path)
|| (is_symlink(path) && get_symlink_type(path) != SLT_UNKNOWN);
}
/* Implementation of traverse() visitor for subtree moving. Returns 0 on
* success, otherwise non-zero is returned. */
static VisitResult
mv_visitor(const char full_path[], VisitAction action, void *param)
{
return cp_mv_visitor(full_path, action, param, 0);
}
/* Generic implementation of traverse() visitor for subtree copying/moving.
* Returns 0 on success, otherwise non-zero is returned. */
static VisitResult
cp_mv_visitor(const char full_path[], VisitAction action, void *param, int cp)
{
io_args_t *const cp_args = param;
const char *dst_full_path;
char *free_me = NULL;
VisitResult result = VR_OK;
const char *rel_part;
if(cp_args->cancellable && ui_cancellation_requested())
{
return VR_CANCELLED;
}
/* TODO: come up with something better than this. */
rel_part = full_path + strlen(cp_args->arg1.src);
dst_full_path = (rel_part[0] == '\0')
? cp_args->arg2.dst
: (free_me = format_str("%s/%s", cp_args->arg2.dst, rel_part));
switch(action)
{
case VA_DIR_ENTER:
if(cp_args->arg3.crs != IO_CRS_REPLACE_FILES || !is_dir(dst_full_path))
{
io_args_t args = {
.arg1.path = dst_full_path,
/* Temporary fake rights so we can add files to the directory. */
.arg3.mode = 0700,
.cancellable = cp_args->cancellable,
.estim = cp_args->estim,
.result = cp_args->result,
};
result = (iop_mkdir(&args) == 0) ? VR_OK : VR_ERROR;
cp_args->result = args.result;
}
break;
case VA_FILE:
{
io_args_t args = {
.arg1.src = full_path,
.arg2.dst = dst_full_path,
.arg3.crs = cp_args->arg3.crs,
/* It's safe to always use fast file cloning on moving files. */
.arg4.fast_file_cloning = cp ? cp_args->arg4.fast_file_cloning : 1,
.cancellable = cp_args->cancellable,
.confirm = cp_args->confirm,
.estim = cp_args->estim,
.result = cp_args->result,
};
result = ((cp ? iop_cp(&args) : ior_mv(&args)) == 0) ? VR_OK : VR_ERROR;
cp_args->result = args.result;
break;
}
case VA_DIR_LEAVE:
{
struct stat st;
if(cp_args->arg3.crs == IO_CRS_REPLACE_FILES && !cp)
{
io_args_t rm_args = {
.arg1.path = full_path,
.cancellable = cp_args->cancellable,
.estim = cp_args->estim,
.result = cp_args->result,
};
result = (iop_rmdir(&rm_args) == 0) ? VR_OK : VR_ERROR;
}
else if(os_stat(full_path, &st) == 0)
{
result = (os_chmod(dst_full_path, st.st_mode & 07777) == 0)
? VR_OK
: VR_ERROR;
if(result == VR_ERROR)
{
(void)ioe_errlst_append(&cp_args->result.errors, dst_full_path,
errno, strerror(errno));
}
clone_timestamps(dst_full_path, full_path, &st);
}
else
{
(void)ioe_errlst_append(&cp_args->result.errors, full_path, errno,
strerror(errno));
result = VR_ERROR;
}
break;
}
}
free(free_me);
return result;
}
