Home | History | Annotate | Line # | Download | only in utoppya
utoppya.c revision 1.1
      1 /*	$NetBSD: utoppya.c,v 1.1 2006/04/03 08:15:48 scw Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2006 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Steve C. Woodford.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/types.h>
     40 #include <sys/stat.h>
     41 #include <sys/ioctl.h>
     42 
     43 #include <err.h>
     44 #include <errno.h>
     45 #include <fcntl.h>
     46 #include <libgen.h>
     47 #include <sysexits.h>
     48 #include <stdio.h>
     49 #include <stdlib.h>
     50 #include <strings.h>
     51 #include <unistd.h>
     52 #include <time.h>
     53 
     54 #include <dev/usb/utoppy.h>
     55 
     56 #define	GLOBAL
     57 #include "progressbar.h"
     58 
     59 #define	_PATH_DEV_UTOPPY	"/dev/utoppy0"
     60 
     61 /*
     62  * This looks weird for a reason. The toppy protocol allows for data to be
     63  * transferred in 65535-byte chunks only. Anything more than this has to be
     64  * split within the driver. The following value leaves enough space for the
     65  * packet header plus some alignmnent slop.
     66  */
     67 #define	TOPPY_IO_SIZE	0xffec
     68 
     69 static int toppy_fd;
     70 
     71 static void cmd_df(int, char **);
     72 static void cmd_ls(int, char **);
     73 static void cmd_rm(int, char **);
     74 static void cmd_mkdir(int, char **);
     75 static void cmd_rename(int, char **);
     76 static void cmd_get(int, char **);
     77 static void cmd_put(int, char **);
     78 
     79 static struct toppy_command {
     80 	const char *tc_cmd;
     81 	void (*tc_handler)(int, char **);
     82 } toppy_commands[] = {
     83 	{"df",		cmd_df},
     84 	{"ls",		cmd_ls},
     85 	{"get",		cmd_get},
     86 	{"mkdir",	cmd_mkdir},
     87 	{"put",		cmd_put},
     88 	{"rename",	cmd_rename},
     89 	{"rm",		cmd_rm},
     90 	{NULL,		NULL}
     91 };
     92 
     93 static void
     94 usage(void)
     95 {
     96 
     97 	fprintf(stderr, "usage: %s [-f <path>] <cmd> ...\n",
     98 	    getprogname());
     99 
    100 	exit(EX_USAGE);
    101 }
    102 
    103 int
    104 main(int argc, char *argv[])
    105 {
    106 	struct toppy_command *tc;
    107 	const char *devpath;
    108 	int ch;
    109 
    110 	setprogname(argv[0]);
    111 	devpath = _PATH_DEV_UTOPPY;
    112 
    113 	while ((ch = getopt(argc, argv, "f:")) != -1) {
    114 		switch (ch) {
    115 		case 'f':
    116 			devpath = optarg;
    117 			break;
    118 
    119 		default:
    120 			usage();
    121 		}
    122 	}
    123 	argc -= optind;
    124 	argv += optind;
    125 
    126 	if (argc == 0)
    127 		usage();
    128 
    129 	for (tc = toppy_commands; tc->tc_cmd != NULL; tc++)
    130 		if (strcasecmp(argv[0], tc->tc_cmd) == 0)
    131 			break;
    132 
    133 	if (tc->tc_cmd == NULL)
    134 		errx(EX_USAGE, "'%s' is not a valid command", argv[0]);
    135 
    136 	if ((toppy_fd = open(devpath, O_RDWR)) < 0)
    137 		err(EX_OSERR, "open(%s)", devpath);
    138 
    139 	(*tc->tc_handler)(argc, argv);
    140 
    141 	close(toppy_fd);
    142 
    143 	return (0);
    144 }
    145 
    146 static int
    147 find_toppy_dirent(const char *path, struct utoppy_dirent *udp)
    148 {
    149 	struct utoppy_dirent ud;
    150 	char *d, *b, dir[FILENAME_MAX];
    151 	ssize_t l;
    152 
    153 	strncpy(dir, path, sizeof(dir));
    154 	b = basename(dir);
    155 	d = dirname(dir);
    156 	if (strcmp(b, "/") == 0 || strcmp(b, ".") == 0 || strcmp(d, ".") == 0)
    157 		errx(EX_USAGE, "'%s' is not a valid Toppy pathname", path);
    158 
    159 	if (ioctl(toppy_fd, UTOPPYIOREADDIR, &d) < 0)
    160 		err(EX_OSERR, "ioctl(UTOPPYIOREADDIR, %s)", d);
    161 
    162 	if (udp == NULL)
    163 		udp = &ud;
    164 
    165 	while ((l = read(toppy_fd, udp, sizeof(*udp))) == sizeof(*udp)) {
    166 		if (strcmp(b, udp->ud_path) == 0)
    167 			break;
    168 	}
    169 
    170 	if (l < 0)
    171 		err(EX_OSERR, "read(TOPPYDIR, %s)", d);
    172 
    173 	if (l == 0)
    174 		return (0);
    175 
    176 	while (read(toppy_fd, &ud, sizeof(ud)) > 0)
    177 		;
    178 
    179 	return (1);
    180 }
    181 
    182 static void
    183 cmd_df(int argc, char **argv)
    184 {
    185 	struct utoppy_stats us;
    186 
    187 	if (ioctl(toppy_fd, UTOPPYIOSTATS, &us) < 0)
    188 		err(EX_OSERR, "ioctl(UTOPPYIOSTATS)");
    189 
    190 	printf("Hard Disk Size: %lld MB\n", us.us_hdd_size / (1024 * 1024));
    191 	printf("Hard Disk Free: %lld MB\n", us.us_hdd_free / (1024 * 1024));
    192 }
    193 
    194 static void
    195 cmd_ls(int argc, char **argv)
    196 {
    197 	struct utoppy_dirent ud;
    198 	struct tm *tm;
    199 	char *dir, *ext, dirbuf[2], ex, ft, tmbuf[32];
    200 	ssize_t l;
    201 
    202 	if (argc == 1) {
    203 		dirbuf[0] = '/';
    204 		dirbuf[1] = '\0';
    205 		dir = dirbuf;
    206 	} else
    207 	if (argc == 2)
    208 		dir = argv[1];
    209 	else
    210 		errx(EX_USAGE, "usage: ls [toppy-pathname]");
    211 
    212 	if (ioctl(toppy_fd, UTOPPYIOREADDIR, &dir) < 0)
    213 		err(EX_OSERR, "ioctl(UTOPPYIOREADDIR, %s)", dir);
    214 
    215 	while ((l = read(toppy_fd, &ud, sizeof(ud))) == sizeof(ud)) {
    216 		switch (ud.ud_type) {
    217 		default:
    218 			ft = '?';
    219 			break;
    220 
    221 		case UTOPPY_DIRENT_DIRECTORY:
    222 			ft = 'd';
    223 			break;
    224 
    225 		case UTOPPY_DIRENT_FILE:
    226 			ft = '-';
    227 			break;
    228 		}
    229 
    230 		if ((ext = strrchr(ud.ud_path, '.')) != NULL &&
    231 		    strcasecmp(ext, ".tap") == 0)
    232 			ex = 'x';
    233 		else
    234 			ex = '-';
    235 
    236 		tm = localtime(&ud.ud_mtime);
    237 		strftime(tmbuf, sizeof(tmbuf), "%b %e %G %R", tm);
    238 
    239 		printf("%crw%c %11lld %s %s\n", ft, ex, ud.ud_size, tmbuf,
    240 		    ud.ud_path);
    241 	}
    242 
    243 	if (l < 0)
    244 		err(EX_OSERR, "read(utoppy_dirent)");
    245 }
    246 
    247 static void
    248 cmd_rm(int argc, char **argv)
    249 {
    250 	char *path;
    251 
    252 	if (argc != 2)
    253 		errx(EX_USAGE, "usage: rm <toppy-pathname>");
    254 
    255 	path = argv[1];
    256 
    257 	if (ioctl(toppy_fd, UTOPPYIODELETE, &path) < 0)
    258 		err(EX_OSERR, "ioctl(UTOPPYIODELETE, %s)", path);
    259 }
    260 
    261 static void
    262 cmd_mkdir(int argc, char **argv)
    263 {
    264 	char *path;
    265 
    266 	if (argc != 2)
    267 		errx(EX_USAGE, "usage: mkdir <toppy-pathname>");
    268 
    269 	path = argv[1];
    270 
    271 	if (find_toppy_dirent(path, NULL))
    272 		errx(EX_DATAERR, "'%s' already exists", path);
    273 
    274 	if (ioctl(toppy_fd, UTOPPYIOMKDIR, &path) < 0)
    275 		err(EX_OSERR, "ioctl(UTOPPYIOMKDIR, %s)", path);
    276 }
    277 
    278 static void
    279 cmd_rename(int argc, char **argv)
    280 {
    281 	struct utoppy_dirent ud;
    282 	struct utoppy_rename ur;
    283 	char *oldpath, *newpath, *o, *n;
    284 
    285 	if (argc != 3)
    286 		errx(EX_USAGE, "usage: rename <from> <to>");
    287 
    288 	o = oldpath = argv[1];
    289 	n = newpath = argv[2];
    290 
    291 	for (o = oldpath; *o != '\0'; o++)
    292 		if (*o == '\\')
    293 			*o = '/';
    294 	for (n = newpath; *n != '\0'; n++)
    295 		if (*n == '\\')
    296 			*n = '/';
    297 
    298 	for (o = oldpath; *o && *o == '\\'; o++)
    299 		;
    300 	for (n = newpath; *n && *n == '\\'; n++)
    301 		;
    302 
    303 	if (strcmp(n, o) == 0)
    304 		errx(EX_DATAERR, "'%s' and '%s' refer to the same file\n",
    305 		    oldpath, newpath);
    306 
    307 	if (find_toppy_dirent(oldpath, &ud) == 0)
    308 		errx(EX_DATAERR, "'%s' does not exist on the Toppy", oldpath);
    309 
    310 	if (ud.ud_type != UTOPPY_DIRENT_FILE)
    311 		errx(EX_DATAERR, "%s: not a regular file", oldpath);
    312 
    313 	if (find_toppy_dirent(newpath, &ud))
    314 		errx(EX_DATAERR, "'%s' already exists", newpath);
    315 
    316 	ur.ur_old_path = o;
    317 	ur.ur_new_path = n;
    318 
    319 	if (ioctl(toppy_fd, UTOPPYIORENAME, &ur) < 0)
    320 		err(EX_OSERR, "ioctl(UTOPPYIORENAME, %s, %s)", oldpath,
    321 		    newpath);
    322 }
    323 
    324 
    325 static void
    326 init_progress(FILE *to, char *f, off_t fsize, off_t restart)
    327 {
    328 	struct ttysize ts;
    329 
    330 	if (ioctl(fileno(to), TIOCGSIZE, &ts) == -1)
    331 		ttywidth = 80;
    332 	else
    333 		ttywidth = ts.ts_cols;
    334 
    335 	ttyout = to;
    336 	progress = 1;
    337 	bytes = 0;
    338 	filesize = fsize;
    339 	restart_point = restart;
    340 	prefix = f;
    341 }
    342 
    343 static void
    344 cmd_get(int argc, char **argv)
    345 {
    346 	struct utoppy_readfile ur;
    347 	struct utoppy_dirent ud;
    348 	struct stat st;
    349 	char *dst, dstbuf[FILENAME_MAX];
    350 	uint8_t *buf;
    351 	ssize_t l;
    352 	size_t rv;
    353 	int ch, turbo_mode = 0, reget = 0, progbar = 0;
    354 	FILE *ofp, *to;
    355 
    356 	optind = 1;
    357 	optreset = 1;
    358 
    359 	while ((ch = getopt(argc, argv, "prt")) != -1) {
    360 		switch (ch) {
    361 		case 'p':
    362 			progbar = 1;
    363 			break;
    364 		case 'r':
    365 			reget = 1;
    366 			break;
    367 		case 't':
    368 			turbo_mode = 1;
    369 			break;
    370 		default:
    371  get_usage:
    372 			errx(EX_USAGE, "usage: get [-prt] <toppy-pathname> "
    373 			    "[file | directory]");
    374 		}
    375 	}
    376 	argc -= optind;
    377 	argv += optind;
    378 
    379 	if (argc == 1)
    380 		dst = basename(argv[0]);
    381 	else
    382 	if (argc == 2) {
    383 		dst = argv[1];
    384 		if (stat(dst, &st) == 0 && S_ISDIR(st.st_mode)) {
    385 			snprintf(dstbuf, sizeof(dstbuf), "%s/%s", dst,
    386 			    basename(argv[0]));
    387 			dst = dstbuf;
    388 		}
    389 	} else
    390 		goto get_usage;
    391 
    392 	ur.ur_path = argv[0];
    393 	ur.ur_offset = 0;
    394 
    395 	if ((buf = malloc(TOPPY_IO_SIZE)) == NULL)
    396 		err(EX_OSERR, "malloc(TOPPY_IO_SIZE)");
    397 
    398 	if (strcmp(dst, "-") == 0) {
    399 		ofp = stdout;
    400 		to = stderr;
    401 		if (reget)
    402 			warnx("Ignoring -r option in combination with stdout");
    403 	} else {
    404 		to = stdout;
    405 
    406 		if (reget) {
    407 			if (stat(dst, &st) < 0) {
    408 				if (errno != ENOENT)
    409 					err(EX_OSERR, "stat(%s)", dst);
    410 			} else
    411 			if (!S_ISREG(st.st_mode))
    412 				errx(EX_DATAERR, "-r only works with regular "
    413 				    "files");
    414 			else
    415 				ur.ur_offset = st.st_size;
    416 		}
    417 
    418 		if ((ofp = fopen(dst, reget ? "a" : "w")) == NULL)
    419 			err(EX_OSERR, "fopen(%s)", dst);
    420 	}
    421 
    422 	if (progbar) {
    423 		if (find_toppy_dirent(ur.ur_path, &ud) == 0)
    424 			ud.ud_size = 0;
    425 		init_progress(to, dst, ud.ud_size, ur.ur_offset);
    426 	}
    427 
    428 	if (ioctl(toppy_fd, UTOPPYIOTURBO, &turbo_mode) < 0)
    429 		err(EX_OSERR, "ioctl(UTOPPYIOTURBO, %d)", turbo_mode);
    430 
    431 	if (ioctl(toppy_fd, UTOPPYIOREADFILE, &ur) < 0)
    432 		err(EX_OSERR, "ioctl(UTOPPYIOREADFILE, %s)", ur.ur_path);
    433 
    434 	if (progbar)
    435 		progressmeter(-1);
    436 
    437 	for (;;) {
    438 		while ((l = read(toppy_fd, buf, TOPPY_IO_SIZE)) < 0 &&
    439 		    errno == EINTR)
    440 			;
    441 
    442 		if (l <= 0)
    443 			break;
    444 
    445 		rv = fwrite(buf, 1, l, ofp);
    446 
    447 		if (rv != l) {
    448 			if (ofp != stdout)
    449 				fclose(ofp);
    450 			progressmeter(1);
    451 			err(EX_OSERR, "fwrite(%s)", dst);
    452 		}
    453 		bytes += l;
    454 	}
    455 
    456 	if (progbar)
    457 		progressmeter(1);
    458 
    459 	if (ofp != stdout)
    460 		fclose(ofp);
    461 
    462 	if (l < 0)
    463 		err(EX_OSERR, "read(TOPPY: ur.ur_path)");
    464 
    465 	free(buf);
    466 }
    467 
    468 static void
    469 cmd_put(int argc, char **argv)
    470 {
    471 	struct utoppy_writefile uw;
    472 	struct utoppy_dirent ud;
    473 	struct stat st;
    474 	char dstbuf[FILENAME_MAX];
    475 	char *src;
    476 	void *buf;
    477 	ssize_t rv;
    478 	size_t l;
    479 	int ch, turbo_mode = 0, reput = 0, progbar = 0;
    480 	FILE *ifp;
    481 
    482 	optind = 1;
    483 	optreset = 1;
    484 
    485 	while ((ch = getopt(argc, argv, "prt")) != -1) {
    486 		switch (ch) {
    487 		case 'p':
    488 			progbar = 1;
    489 			break;
    490 		case 'r':
    491 			reput = 1;
    492 			break;
    493 		case 't':
    494 			turbo_mode = 1;
    495 			break;
    496 		default:
    497  put_usage:
    498 			errx(EX_USAGE, "usage: put [-prt] <local-pathname> "
    499 			    "<toppy-pathname>");
    500 		}
    501 	}
    502 	argc -= optind;
    503 	argv += optind;
    504 
    505 	if (argc != 2)
    506 		goto put_usage;
    507 
    508 	src = argv[0];
    509 	uw.uw_path = argv[1];
    510 
    511 	if (stat(src, &st) < 0)
    512 		err(EX_OSERR, "%s", src);
    513 
    514 	if (!S_ISREG(st.st_mode))
    515 		errx(EX_DATAERR, "'%s' is not a regular file", src);
    516 
    517 	uw.uw_size = st.st_size;
    518 	uw.uw_mtime = st.st_mtime;
    519 	uw.uw_offset = 0;
    520 
    521 	if (find_toppy_dirent(uw.uw_path, &ud)) {
    522 		if (ud.ud_type == UTOPPY_DIRENT_DIRECTORY) {
    523 			snprintf(dstbuf, sizeof(dstbuf), "%s/%s", uw.uw_path,
    524 			    basename(src));
    525 			uw.uw_path = dstbuf;
    526 		} else
    527 		if (ud.ud_type != UTOPPY_DIRENT_FILE)
    528 			errx(EX_DATAERR, "'%s' is not a regular file.",
    529 			    uw.uw_path);
    530 		else
    531 		if (reput) {
    532 			if (ud.ud_size > uw.uw_size)
    533 				errx(EX_DATAERR, "'%s' is already larger than "
    534 				    "'%s'", uw.uw_path, src);
    535 
    536 			uw.uw_size -= ud.ud_size;
    537 			uw.uw_offset = ud.ud_size;
    538 		}
    539 	}
    540 
    541 	if ((buf = malloc(TOPPY_IO_SIZE)) == NULL)
    542 		err(EX_OSERR, "malloc(TOPPY_IO_SIZE)");
    543 
    544 	if ((ifp = fopen(src, "r")) == NULL)
    545 		err(EX_OSERR, "fopen(%s)", src);
    546 
    547 	if (ioctl(toppy_fd, UTOPPYIOTURBO, &turbo_mode) < 0)
    548 		err(EX_OSERR, "ioctl(UTOPPYIOTURBO, %d)", turbo_mode);
    549 
    550 	if (ioctl(toppy_fd, UTOPPYIOWRITEFILE, &uw) < 0)
    551 		err(EX_OSERR, "ioctl(UTOPPYIOWRITEFILE, %s)", uw.uw_path);
    552 
    553 	if (progbar)
    554 		init_progress(stdout, src, st.st_size, uw.uw_offset);
    555 
    556 	if (progbar)
    557 		progressmeter(-1);
    558 
    559 	while ((l = fread(buf, 1, TOPPY_IO_SIZE, ifp)) > 0) {
    560 		rv = write(toppy_fd, buf, l);
    561 		if (rv != l) {
    562 			fclose(ifp);
    563 			if (progbar)
    564 				progressmeter(1);
    565 			err(EX_OSERR, "write(TOPPY: %s)", uw.uw_path);
    566 		}
    567 		bytes += l;
    568 	}
    569 
    570 	if (progbar)
    571 		progressmeter(1);
    572 
    573 	if (ferror(ifp))
    574 		err(EX_OSERR, "fread(%s)", src);
    575 
    576 	fclose(ifp);
    577 	free(buf);
    578 }
    579