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Diffstat (limited to 'rtemsbsd/ftpd/ftpd-service.c')
| -rw-r--r-- | rtemsbsd/ftpd/ftpd-service.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/rtemsbsd/ftpd/ftpd-service.c b/rtemsbsd/ftpd/ftpd-service.c new file mode 100644 index 00000000..e2ee73d0 --- /dev/null +++ b/rtemsbsd/ftpd/ftpd-service.c @@ -0,0 +1,179 @@ +/* + * Copyright (c) 2016 Chris Johns <chrisj@rtems.org>. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * FTPD service. To use add to rc.conf: + * + * ftpd_enable="YES" + * ftp_options="-p 21 -C 4 -P 100 -I 300 -R / -L -A rw" + * + * The options defaults are show. The options are: + * + * -p port : Port. + * -C conns : Maximum connections. + * -P priority : FTP thread priority (RTEMS Classis API). + * -I secs : Idle timeout in seconds. + * -R path : Root path. + * -L : Logins using /etc/passwd + * -A <rw/rd/wr> : Access, rw=read/write, rd=read, wr=write. + */ + +#include <errno.h> +#include <stddef.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#define __need_getopt_newlib +#include <getopt.h> + +#include <rtems/ftpd.h> +#include <machine/rtems-bsd-rc-conf-services.h> + +static int +ftpd_service(rtems_bsd_rc_conf* rc_conf) +{ + struct rtems_ftpd_configuration config = { + .priority = 100, /* FTPD task priority */ + .max_hook_filesize = 0, /* Maximum buffersize for hooks */ + .port = 21, /* Well-known port */ + .hooks = NULL, /* List of hooks */ + .root = NULL, /* Root for FTPD or NULL for "/" */ + .tasks_count = 4, /* Max. connections */ + .idle = 5 * 60, /* Idle timeout in seconds or 0 for no (infinite) timeout */ + .access = 0, /* Access: 0 - r/w, 1 - read-only, 2 - write-only, + * 3 - browse-only */ + .login = NULL /* Login */ + }; + rtems_bsd_rc_conf_argc_argv* aa; + int r; + + aa = rtems_bsd_rc_conf_argc_argv_create(); + if (aa == NULL) + return -1; + + r = rtems_bsd_rc_conf_find(rc_conf, "ftpd_enable", aa); + if (r == 0) { + rtems_status_code sc; + bool verbose = false; + if (aa->argc == 2 && strcasecmp("YES", aa->argv[1]) == 0) { + r = rtems_bsd_rc_conf_find(rc_conf, "ftpd_options", aa); + if (r == 0) { + struct getopt_data data; + char* end; + + memset(&data, 0, sizeof(data)); + + while (true) { + int c; + + c = getopt_r(aa->argc, aa->argv, "p:C:P:I:R:LA:v", &data); + if (c == -1) + break; + + switch (c) { + case 'p': + config.port = strtoul(data.optarg, &end, 10); + if (config.port == 0 || *end != '\0') { + fprintf(stderr, "error: ftpd: invalid port\n"); + config.port = 21; + } + break; + case 'C': + config.tasks_count = strtoul(data.optarg, &end, 10); + if (config.tasks_count == 0 || *end != '\0') { + fprintf(stderr, "error: ftpd: invalid port\n"); + config.tasks_count = 4; + } + break; + case 'P': + config.priority = strtoul(data.optarg, &end, 10); + if (config.priority == 0 || *end != '\0') { + fprintf(stderr, "error: ftpd: invalid priority\n"); + config.priority = 100; + } + break; + case 'I': + config.idle = strtoul(data.optarg, &end, 10); + if (config.tasks_count == 0 || *end != '\0') { + fprintf(stderr, "error: ftpd: invalid idle seconds\n"); + config.idle = 5 * 60; + } + break; + case 'R': + config.root = strdup(data.optarg); + if (config.root == NULL) { + fprintf(stderr, "error: ftpd: no memory for root path\n"); + } + break; + case 'L': + config.login = rtems_shell_login_check; + break; + case 'A': + if (strcasecmp("rw", data.optarg) == 0) + config.access = 0; + else if (strcasecmp("rd", data.optarg) == 0) + config.access = 1; + else if (strcasecmp("wr", data.optarg) == 0) + config.access = 2; + else + fprintf(stderr, "error: ftp: invalid access option\n"); + break; + case 'v': + verbose = true; + break; + case '?': + default: + fprintf(stderr, "error: ftp: unknown option: %s\n", data.optarg); + break; + } + } + } + if (verbose) { + printf("ftpd: port:%lu conns:%lu pri:%lu idle:%lu root:%s login:%s access:%s\n", + config.port, config.tasks_count, config.priority, config.idle, + config.root == NULL ? "/" : config.root, + config.login == NULL ? "no" : "yes", + config.access == 0 ? "read/write" : config.access == 1 ? "read" : "write"); + } + sc = rtems_ftpd_start(&config); + if (sc != RTEMS_SUCCESSFUL) + fprintf(stderr, "error: ftpd: %s\n", rtems_status_text(sc)); + } + } + + return 0; +} + +void +rc_conf_ftpd_init(void* arg) +{ + int r; + r = rtems_bsd_rc_conf_service_add("ftpd", + "after:network;", + ftpd_service); + if (r < 0) + fprintf(stderr, "error: ftpd service add failed: %s\n", strerror(errno)); +} |