108 lines
2.3 KiB
C
108 lines
2.3 KiB
C
/*
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* tftp.c - (up)load tftp files
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*
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* Copyright (c) 2012 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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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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#include <common.h>
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#include <command.h>
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#include <linux/stat.h>
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#include <getopt.h>
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#include <fcntl.h>
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#include <libgen.h>
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#include <fs.h>
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#include <net.h>
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#include <libbb.h>
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#define TFTP_MOUNT_PATH "/.tftp_tmp_path"
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static int do_tftpb(int argc, char *argv[])
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{
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char *source, *dest, *freep;
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int opt;
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unsigned long flags;
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int tftp_push = 0;
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int ret;
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IPaddr_t ip;
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while ((opt = getopt(argc, argv, "p")) > 0) {
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switch(opt) {
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case 'p':
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tftp_push = 1;
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break;
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default:
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return COMMAND_ERROR_USAGE;
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}
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}
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if (argc <= optind)
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return COMMAND_ERROR_USAGE;
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source = argv[optind++];
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if (argc == optind)
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dest = basename(source);
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else
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dest = argv[optind];
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if (tftp_push) {
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dest = freep = asprintf("%s/%s", TFTP_MOUNT_PATH, dest);
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flags = O_RDONLY;
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} else {
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source = freep = asprintf("%s/%s", TFTP_MOUNT_PATH, source);
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flags = O_WRONLY | O_CREAT;
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}
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if (!freep)
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return -ENOMEM;
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ret = make_directory(TFTP_MOUNT_PATH);
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if (ret)
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goto err_free;
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ip = net_get_serverip();
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ret = mount(ip_to_string(ip), "tftp", TFTP_MOUNT_PATH, NULL);
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if (ret)
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goto err_rmdir;
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debug("%s: %s -> %s\n", __func__, source, dest);
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ret = copy_file(source, dest, 1);
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umount(TFTP_MOUNT_PATH);
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err_rmdir:
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rmdir(TFTP_MOUNT_PATH);
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err_free:
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free(freep);
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return ret;
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}
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BAREBOX_CMD_HELP_START(tftp)
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BAREBOX_CMD_HELP_TEXT("Load (or save) a file via TFTP.")
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BAREBOX_CMD_HELP_TEXT("")
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BAREBOX_CMD_HELP_TEXT("Options:")
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BAREBOX_CMD_HELP_OPT ("-p", "push to TFTP server")
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BAREBOX_CMD_HELP_END
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BAREBOX_CMD_START(tftp)
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.cmd = do_tftpb,
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BAREBOX_CMD_DESC("load (or save) a file using TFTP")
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BAREBOX_CMD_OPTS("[-p] SOURCE [DEST]")
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BAREBOX_CMD_GROUP(CMD_GRP_NET)
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BAREBOX_CMD_HELP(cmd_tftp_help)
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BAREBOX_CMD_END
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