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// SPDX-License-Identifier: GPL-2.0-only
// SPDX-FileCopyrightText: © 2012 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
/* tftp.c - (up)load tftp files */
#include <common.h>
#include <command.h>
#include <linux/stat.h>
#include <getopt.h>
#include <fcntl.h>
#include <libgen.h>
#include <fs.h>
#include <net.h>
#include <libbb.h>
#include <libfile.h>
#define TFTP_MOUNT_PATH "/.tftp_tmp_path"
static int do_tftpb(int argc, char *argv[])
{
char *source, *dest, *freep;
int opt;
int tftp_push = 0;
int ret;
IPaddr_t ip;
char ip4_str[sizeof("255.255.255.255")];
while ((opt = getopt(argc, argv, "p")) > 0) {
switch(opt) {
case 'p':
tftp_push = 1;
break;
default:
return COMMAND_ERROR_USAGE;
}
}
if (argc <= optind)
return COMMAND_ERROR_USAGE;
source = argv[optind++];
if (argc == optind)
dest = basename(source);
else
dest = argv[optind];
if (tftp_push)
dest = freep = basprintf("%s/%s", TFTP_MOUNT_PATH, dest);
else
source = freep = basprintf("%s/%s", TFTP_MOUNT_PATH, source);
if (!freep)
return -ENOMEM;
ret = make_directory(TFTP_MOUNT_PATH);
if (ret)
goto err_free;
ip = net_get_serverip();
sprintf(ip4_str, "%pI4", &ip);
ret = mount(ip4_str, "tftp", TFTP_MOUNT_PATH, NULL);
if (ret)
goto err_rmdir;
debug("%s: %s -> %s\n", __func__, source, dest);
ret = copy_file(source, dest, 1);
umount(TFTP_MOUNT_PATH);
err_rmdir:
rmdir(TFTP_MOUNT_PATH);
err_free:
free(freep);
return ret;
}
BAREBOX_CMD_HELP_START(tftp)
BAREBOX_CMD_HELP_TEXT("Load (or save) a file via TFTP. SOURCE is a path on server,")
BAREBOX_CMD_HELP_TEXT("server address is taken from the environment (ethX.serverip).")
BAREBOX_CMD_HELP_TEXT("")
BAREBOX_CMD_HELP_TEXT("Options:")
BAREBOX_CMD_HELP_OPT ("-p", "push to TFTP server")
BAREBOX_CMD_HELP_END
BAREBOX_CMD_START(tftp)
.cmd = do_tftpb,
BAREBOX_CMD_DESC("load (or save) a file using TFTP")
BAREBOX_CMD_OPTS("[-p] SOURCE [DEST]")
BAREBOX_CMD_GROUP(CMD_GRP_NET)
BAREBOX_CMD_HELP(cmd_tftp_help)
BAREBOX_CMD_END
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