xref: /freebsd/sbin/bectl/bectl.c (revision d05fa0d94959e354c6f028826bc540787791d6af)
1b179da01SKyle Evans /*-
2b179da01SKyle Evans  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
35952343eSKyle Evans  *
45952343eSKyle Evans  * Copyright (c) 2017 Kyle J. Kneitinger <kyle@kneit.in>
55952343eSKyle Evans  * All rights reserved.
65952343eSKyle Evans  *
75952343eSKyle Evans  * Redistribution and use in source and binary forms, with or without
85952343eSKyle Evans  * modification, are permitted provided that the following conditions
95952343eSKyle Evans  * are met:
105952343eSKyle Evans  * 1. Redistributions of source code must retain the above copyright
115952343eSKyle Evans  *    notice, this list of conditions and the following disclaimer.
125952343eSKyle Evans  * 2. Redistributions in binary form must reproduce the above copyright
135952343eSKyle Evans  *    notice, this list of conditions and the following disclaimer in the
145952343eSKyle Evans  *    documentation and/or other materials provided with the distribution.
155952343eSKyle Evans  *
165952343eSKyle Evans  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
175952343eSKyle Evans  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
185952343eSKyle Evans  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
195952343eSKyle Evans  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
205952343eSKyle Evans  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
215952343eSKyle Evans  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
225952343eSKyle Evans  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
235952343eSKyle Evans  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
245952343eSKyle Evans  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
255952343eSKyle Evans  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
265952343eSKyle Evans  * SUCH DAMAGE.
275952343eSKyle Evans  */
285952343eSKyle Evans 
29b6e7c421SKyle Evans #include <sys/cdefs.h>
30b6e7c421SKyle Evans __FBSDID("$FreeBSD$");
31b6e7c421SKyle Evans 
325952343eSKyle Evans #include <sys/param.h>
335952343eSKyle Evans #include <sys/mount.h>
345952343eSKyle Evans #include <errno.h>
3583244ec1SKyle Evans #include <libutil.h>
365952343eSKyle Evans #include <stdbool.h>
375952343eSKyle Evans #include <stdio.h>
385952343eSKyle Evans #include <stdint.h>
395952343eSKyle Evans #include <stdlib.h>
405952343eSKyle Evans #include <string.h>
415952343eSKyle Evans #include <sysexits.h>
4283244ec1SKyle Evans #include <time.h>
435952343eSKyle Evans #include <unistd.h>
445952343eSKyle Evans 
455952343eSKyle Evans #include <be.h>
465952343eSKyle Evans 
47d694059fSKyle Evans #include "bectl.h"
48d694059fSKyle Evans 
499e004b21SKyle Evans static int bectl_cmd_activate(int argc, char *argv[]);
509e004b21SKyle Evans static int bectl_cmd_create(int argc, char *argv[]);
519e004b21SKyle Evans static int bectl_cmd_destroy(int argc, char *argv[]);
529e004b21SKyle Evans static int bectl_cmd_export(int argc, char *argv[]);
539e004b21SKyle Evans static int bectl_cmd_import(int argc, char *argv[]);
543d1a1f2cSKyle Evans #if SOON
559e004b21SKyle Evans static int bectl_cmd_add(int argc, char *argv[]);
563d1a1f2cSKyle Evans #endif
579e004b21SKyle Evans static int bectl_cmd_mount(int argc, char *argv[]);
589e004b21SKyle Evans static int bectl_cmd_rename(int argc, char *argv[]);
599e004b21SKyle Evans static int bectl_cmd_unmount(int argc, char *argv[]);
605952343eSKyle Evans 
61d694059fSKyle Evans libbe_handle_t *be;
625952343eSKyle Evans 
63d694059fSKyle Evans int
645952343eSKyle Evans usage(bool explicit)
655952343eSKyle Evans {
6616a10da8SKyle Evans 	FILE *fp;
675952343eSKyle Evans 
6816a10da8SKyle Evans 	fp =  explicit ? stdout : stderr;
6952ee41b7SYuri Pankov 	fprintf(fp, "%s",
70d81df689SKyle Evans 	    "usage:\tbectl {-h | -? | subcommand [args...]}\n"
713d1a1f2cSKyle Evans #if SOON
729e004b21SKyle Evans 	    "\tbectl add (path)*\n"
733d1a1f2cSKyle Evans #endif
7452ee41b7SYuri Pankov 	    "\tbectl activate [-t] beName\n"
7552ee41b7SYuri Pankov 	    "\tbectl create [-r] [-e {nonActiveBe | beName@snapshot}] beName\n"
7652ee41b7SYuri Pankov 	    "\tbectl create [-r] beName@snapshot\n"
7752ee41b7SYuri Pankov 	    "\tbectl destroy [-F] {beName | beName@snapshot}\n"
7852ee41b7SYuri Pankov 	    "\tbectl export sourceBe\n"
7952ee41b7SYuri Pankov 	    "\tbectl import targetBe\n"
8052ee41b7SYuri Pankov 	    "\tbectl jail {-b | -U} [{-o key=value | -u key}]... "
8152ee41b7SYuri Pankov 	    "{jailID | jailName}\n"
8252ee41b7SYuri Pankov 	    "\t      bootenv [utility [argument ...]]\n"
8352ee41b7SYuri Pankov 	    "\tbectl list [-DHas]\n"
849e004b21SKyle Evans 	    "\tbectl mount beName [mountpoint]\n"
859e004b21SKyle Evans 	    "\tbectl rename origBeName newBeName\n"
8652ee41b7SYuri Pankov 	    "\tbectl {ujail | unjail} {jailID | jailName} bootenv\n"
879e004b21SKyle Evans 	    "\tbectl {umount | unmount} [-f] beName\n");
885952343eSKyle Evans 
895952343eSKyle Evans 	return (explicit ? 0 : EX_USAGE);
905952343eSKyle Evans }
915952343eSKyle Evans 
925952343eSKyle Evans 
935952343eSKyle Evans /*
945952343eSKyle Evans  * Represents a relationship between the command name and the parser action
955952343eSKyle Evans  * that handles it.
965952343eSKyle Evans  */
975952343eSKyle Evans struct command_map_entry {
985952343eSKyle Evans 	const char *command;
995952343eSKyle Evans 	int (*fn)(int argc, char *argv[]);
1005952343eSKyle Evans };
1015952343eSKyle Evans 
1025952343eSKyle Evans static struct command_map_entry command_map[] =
1035952343eSKyle Evans {
1049e004b21SKyle Evans 	{ "activate", bectl_cmd_activate },
1059e004b21SKyle Evans 	{ "create",   bectl_cmd_create   },
1069e004b21SKyle Evans 	{ "destroy",  bectl_cmd_destroy  },
1079e004b21SKyle Evans 	{ "export",   bectl_cmd_export   },
1089e004b21SKyle Evans 	{ "import",   bectl_cmd_import   },
1093d1a1f2cSKyle Evans #if SOON
1109e004b21SKyle Evans 	{ "add",      bectl_cmd_add      },
1113d1a1f2cSKyle Evans #endif
1129e004b21SKyle Evans 	{ "jail",     bectl_cmd_jail     },
1139e004b21SKyle Evans 	{ "list",     bectl_cmd_list     },
1149e004b21SKyle Evans 	{ "mount",    bectl_cmd_mount    },
1159e004b21SKyle Evans 	{ "rename",   bectl_cmd_rename   },
1169e004b21SKyle Evans 	{ "unjail",   bectl_cmd_unjail   },
1179e004b21SKyle Evans 	{ "unmount",  bectl_cmd_unmount  },
1185952343eSKyle Evans };
1195952343eSKyle Evans 
1205952343eSKyle Evans static int
121e9036018SKyle Evans get_cmd_index(const char *cmd, int *idx)
1225952343eSKyle Evans {
12316a10da8SKyle Evans 	int map_size;
1245952343eSKyle Evans 
12516a10da8SKyle Evans 	map_size = nitems(command_map);
1265952343eSKyle Evans 	for (int i = 0; i < map_size; ++i) {
1275952343eSKyle Evans 		if (strcmp(cmd, command_map[i].command) == 0) {
128e9036018SKyle Evans 			*idx = i;
1295952343eSKyle Evans 			return (0);
1305952343eSKyle Evans 		}
1315952343eSKyle Evans 	}
1325952343eSKyle Evans 
1335952343eSKyle Evans 	return (1);
1345952343eSKyle Evans }
1355952343eSKyle Evans 
1365952343eSKyle Evans 
1375952343eSKyle Evans static int
1389e004b21SKyle Evans bectl_cmd_activate(int argc, char *argv[])
1395952343eSKyle Evans {
1405952343eSKyle Evans 	int err, opt;
1415952343eSKyle Evans 	bool temp;
1425952343eSKyle Evans 
1435952343eSKyle Evans 	temp = false;
1445952343eSKyle Evans 	while ((opt = getopt(argc, argv, "t")) != -1) {
1455952343eSKyle Evans 		switch (opt) {
1465952343eSKyle Evans 		case 't':
1475952343eSKyle Evans 			temp = true;
1485952343eSKyle Evans 			break;
1495952343eSKyle Evans 		default:
1502c848957SKyle Evans 			fprintf(stderr, "bectl activate: unknown option '-%c'\n",
1515952343eSKyle Evans 			    optopt);
1525952343eSKyle Evans 			return (usage(false));
1535952343eSKyle Evans 		}
1545952343eSKyle Evans 	}
1555952343eSKyle Evans 
1565952343eSKyle Evans 	argc -= optind;
1575952343eSKyle Evans 	argv += optind;
1585952343eSKyle Evans 
1595952343eSKyle Evans 	if (argc != 1) {
1602c848957SKyle Evans 		fprintf(stderr, "bectl activate: wrong number of arguments\n");
1615952343eSKyle Evans 		return (usage(false));
1625952343eSKyle Evans 	}
1635952343eSKyle Evans 
1645952343eSKyle Evans 
1655952343eSKyle Evans 	/* activate logic goes here */
16616a10da8SKyle Evans 	if ((err = be_activate(be, argv[0], temp)) != 0)
16716a10da8SKyle Evans 		/* XXX TODO: more specific error msg based on err */
1685952343eSKyle Evans 		printf("did not successfully activate boot environment %s\n",
1695952343eSKyle Evans 		    argv[0]);
17016a10da8SKyle Evans 	else
1715952343eSKyle Evans 		printf("successfully activated boot environment %s\n", argv[0]);
1725952343eSKyle Evans 
17316a10da8SKyle Evans 	if (temp)
1745952343eSKyle Evans 		printf("for next boot\n");
1755952343eSKyle Evans 
1765952343eSKyle Evans 	return (err);
1775952343eSKyle Evans }
1785952343eSKyle Evans 
1795952343eSKyle Evans 
18016a10da8SKyle Evans /*
18116a10da8SKyle Evans  * TODO: when only one arg is given, and it contains an "@" the this should
18216a10da8SKyle Evans  * create that snapshot
18316a10da8SKyle Evans  */
1845952343eSKyle Evans static int
1859e004b21SKyle Evans bectl_cmd_create(int argc, char *argv[])
1865952343eSKyle Evans {
187*d05fa0d9SKyle Evans 	char snapshot[BE_MAXPATHLEN];
188*d05fa0d9SKyle Evans 	char *atpos, *bootenv, *snapname;
1895952343eSKyle Evans 	int err, opt;
190a9c660b0SKyle Evans 	bool recursive;
1915952343eSKyle Evans 
1925952343eSKyle Evans 	snapname = NULL;
193a9c660b0SKyle Evans 	recursive = false;
19425eeb3eaSKyle Evans 	while ((opt = getopt(argc, argv, "e:r")) != -1) {
1955952343eSKyle Evans 		switch (opt) {
1965952343eSKyle Evans 		case 'e':
1975952343eSKyle Evans 			snapname = optarg;
1985952343eSKyle Evans 			break;
199a9c660b0SKyle Evans 		case 'r':
200a9c660b0SKyle Evans 			recursive = true;
20125eeb3eaSKyle Evans 			break;
2025952343eSKyle Evans 		default:
2032c848957SKyle Evans 			fprintf(stderr, "bectl create: unknown option '-%c'\n",
2045952343eSKyle Evans 			    optopt);
2055952343eSKyle Evans 			return (usage(false));
2065952343eSKyle Evans 		}
2075952343eSKyle Evans 	}
2085952343eSKyle Evans 
2095952343eSKyle Evans 	argc -= optind;
2105952343eSKyle Evans 	argv += optind;
2115952343eSKyle Evans 
2125952343eSKyle Evans 	if (argc != 1) {
2132c848957SKyle Evans 		fprintf(stderr, "bectl create: wrong number of arguments\n");
2145952343eSKyle Evans 		return (usage(false));
2155952343eSKyle Evans 	}
2165952343eSKyle Evans 
2175952343eSKyle Evans 	bootenv = *argv;
218*d05fa0d9SKyle Evans 
219*d05fa0d9SKyle Evans 	err = BE_ERR_SUCCESS;
220a9c660b0SKyle Evans 	if ((atpos = strchr(bootenv, '@')) != NULL) {
221a9c660b0SKyle Evans 		/*
222a9c660b0SKyle Evans 		 * This is the "create a snapshot variant". No new boot
223a9c660b0SKyle Evans 		 * environment is to be created here.
224a9c660b0SKyle Evans 		 */
225a9c660b0SKyle Evans 		*atpos++ = '\0';
226a9c660b0SKyle Evans 		err = be_snapshot(be, bootenv, atpos, recursive, NULL);
2275952343eSKyle Evans 	} else {
228*d05fa0d9SKyle Evans 		if (snapname == NULL)
229*d05fa0d9SKyle Evans 			/* Create from currently booted BE */
230*d05fa0d9SKyle Evans 			err = be_snapshot(be, be_active_path(be), NULL,
231*d05fa0d9SKyle Evans 			    recursive, snapshot);
232*d05fa0d9SKyle Evans 		else if (strchr(snapname, '@') != NULL)
233*d05fa0d9SKyle Evans 			/* Create from given snapshot */
234*d05fa0d9SKyle Evans 			strlcpy(snapshot, snapname, sizeof(snapshot));
235*d05fa0d9SKyle Evans 		else
236*d05fa0d9SKyle Evans 			/* Create from given BE */
237*d05fa0d9SKyle Evans 			err = be_snapshot(be, snapname, NULL, recursive,
238*d05fa0d9SKyle Evans 			    snapshot);
239*d05fa0d9SKyle Evans 
240*d05fa0d9SKyle Evans 		if (err == BE_ERR_SUCCESS)
241*d05fa0d9SKyle Evans 			err = be_create_depth(be, bootenv, snapshot,
242*d05fa0d9SKyle Evans 					      recursive == true ? -1 : 0);
2435952343eSKyle Evans 	}
2445952343eSKyle Evans 
2455952343eSKyle Evans 	switch (err) {
2465952343eSKyle Evans 	case BE_ERR_SUCCESS:
2475952343eSKyle Evans 		break;
2485952343eSKyle Evans 	default:
249a9c660b0SKyle Evans 		if (atpos != NULL)
250a9c660b0SKyle Evans 			fprintf(stderr,
251a9c660b0SKyle Evans 			    "failed to create a snapshot '%s' of '%s'\n",
252a9c660b0SKyle Evans 			    atpos, bootenv);
253a9c660b0SKyle Evans 		else if (snapname == NULL)
2545952343eSKyle Evans 			fprintf(stderr,
2555952343eSKyle Evans 			    "failed to create bootenv %s\n", bootenv);
25616a10da8SKyle Evans 		else
2575952343eSKyle Evans 			fprintf(stderr,
2585952343eSKyle Evans 			    "failed to create bootenv %s from snapshot %s\n",
2595952343eSKyle Evans 			    bootenv, snapname);
2605952343eSKyle Evans 	}
2615952343eSKyle Evans 
2625952343eSKyle Evans 	return (err);
2635952343eSKyle Evans }
2645952343eSKyle Evans 
2655952343eSKyle Evans 
2665952343eSKyle Evans static int
2679e004b21SKyle Evans bectl_cmd_export(int argc, char *argv[])
2685952343eSKyle Evans {
2695952343eSKyle Evans 	char *bootenv;
2705952343eSKyle Evans 
2715952343eSKyle Evans 	if (argc == 1) {
2722c848957SKyle Evans 		fprintf(stderr, "bectl export: missing boot environment name\n");
2735952343eSKyle Evans 		return (usage(false));
2745952343eSKyle Evans 	}
2755952343eSKyle Evans 
2765952343eSKyle Evans 	if (argc > 2) {
2772c848957SKyle Evans 		fprintf(stderr, "bectl export: extra arguments provided\n");
2785952343eSKyle Evans 		return (usage(false));
2795952343eSKyle Evans 	}
2805952343eSKyle Evans 
2815952343eSKyle Evans 	bootenv = argv[1];
2825952343eSKyle Evans 
2835952343eSKyle Evans 	if (isatty(STDOUT_FILENO)) {
2842c848957SKyle Evans 		fprintf(stderr, "bectl export: must redirect output\n");
2855952343eSKyle Evans 		return (EX_USAGE);
2865952343eSKyle Evans 	}
2875952343eSKyle Evans 
2885952343eSKyle Evans 	be_export(be, bootenv, STDOUT_FILENO);
2895952343eSKyle Evans 
2905952343eSKyle Evans 	return (0);
2915952343eSKyle Evans }
2925952343eSKyle Evans 
2935952343eSKyle Evans 
2945952343eSKyle Evans static int
2959e004b21SKyle Evans bectl_cmd_import(int argc, char *argv[])
2965952343eSKyle Evans {
2975952343eSKyle Evans 	char *bootenv;
2985952343eSKyle Evans 	int err;
2995952343eSKyle Evans 
3005952343eSKyle Evans 	if (argc == 1) {
3012c848957SKyle Evans 		fprintf(stderr, "bectl import: missing boot environment name\n");
3025952343eSKyle Evans 		return (usage(false));
3035952343eSKyle Evans 	}
3045952343eSKyle Evans 
3055952343eSKyle Evans 	if (argc > 2) {
3062c848957SKyle Evans 		fprintf(stderr, "bectl import: extra arguments provided\n");
3075952343eSKyle Evans 		return (usage(false));
3085952343eSKyle Evans 	}
3095952343eSKyle Evans 
3105952343eSKyle Evans 	bootenv = argv[1];
3115952343eSKyle Evans 
3125952343eSKyle Evans 	if (isatty(STDIN_FILENO)) {
3132c848957SKyle Evans 		fprintf(stderr, "bectl import: input can not be from terminal\n");
3145952343eSKyle Evans 		return (EX_USAGE);
3155952343eSKyle Evans 	}
3165952343eSKyle Evans 
3175952343eSKyle Evans 	err = be_import(be, bootenv, STDIN_FILENO);
3185952343eSKyle Evans 
3195952343eSKyle Evans 	return (err);
3205952343eSKyle Evans }
3215952343eSKyle Evans 
3223d1a1f2cSKyle Evans #if SOON
3235952343eSKyle Evans static int
3249e004b21SKyle Evans bectl_cmd_add(int argc, char *argv[])
3255952343eSKyle Evans {
3265952343eSKyle Evans 
3275952343eSKyle Evans 	if (argc < 2) {
3282c848957SKyle Evans 		fprintf(stderr, "bectl add: must provide at least one path\n");
3295952343eSKyle Evans 		return (usage(false));
3305952343eSKyle Evans 	}
3315952343eSKyle Evans 
3325952343eSKyle Evans 	for (int i = 1; i < argc; ++i) {
3335952343eSKyle Evans 		printf("arg %d: %s\n", i, argv[i]);
33416a10da8SKyle Evans 		/* XXX TODO catch err */
3355952343eSKyle Evans 		be_add_child(be, argv[i], true);
3365952343eSKyle Evans 	}
3375952343eSKyle Evans 
3385952343eSKyle Evans 	return (0);
3395952343eSKyle Evans }
3403d1a1f2cSKyle Evans #endif
3415952343eSKyle Evans 
3425952343eSKyle Evans static int
3439e004b21SKyle Evans bectl_cmd_destroy(int argc, char *argv[])
3445952343eSKyle Evans {
34577b4126cSKyle Evans 	nvlist_t *props;
34677b4126cSKyle Evans 	char *origin, *target, targetds[BE_MAXPATHLEN];
34777b4126cSKyle Evans 	int err, flags, opt;
3485952343eSKyle Evans 
34977b4126cSKyle Evans 	flags = 0;
35077b4126cSKyle Evans 	while ((opt = getopt(argc, argv, "Fo")) != -1) {
3515952343eSKyle Evans 		switch (opt) {
3525952343eSKyle Evans 		case 'F':
35377b4126cSKyle Evans 			flags |= BE_DESTROY_FORCE;
35477b4126cSKyle Evans 			break;
35577b4126cSKyle Evans 		case 'o':
35677b4126cSKyle Evans 			flags |= BE_DESTROY_ORIGIN;
3575952343eSKyle Evans 			break;
3585952343eSKyle Evans 		default:
3592c848957SKyle Evans 			fprintf(stderr, "bectl destroy: unknown option '-%c'\n",
3605952343eSKyle Evans 			    optopt);
3615952343eSKyle Evans 			return (usage(false));
3625952343eSKyle Evans 		}
3635952343eSKyle Evans 	}
3645952343eSKyle Evans 
3655952343eSKyle Evans 	argc -= optind;
3665952343eSKyle Evans 	argv += optind;
3675952343eSKyle Evans 
3685952343eSKyle Evans 	if (argc != 1) {
3692c848957SKyle Evans 		fprintf(stderr, "bectl destroy: wrong number of arguments\n");
3705952343eSKyle Evans 		return (usage(false));
3715952343eSKyle Evans 	}
3725952343eSKyle Evans 
3735952343eSKyle Evans 	target = argv[0];
3745952343eSKyle Evans 
37577b4126cSKyle Evans 	/* We'll emit a notice if there's an origin to be cleaned up */
37677b4126cSKyle Evans 	if ((flags & BE_DESTROY_ORIGIN) == 0 && strchr(target, '@') == NULL) {
37777b4126cSKyle Evans 		if (be_root_concat(be, target, targetds) != 0)
37877b4126cSKyle Evans 			goto destroy;
37977b4126cSKyle Evans 		if (be_prop_list_alloc(&props) != 0)
38077b4126cSKyle Evans 			goto destroy;
38177b4126cSKyle Evans 		if (be_get_dataset_props(be, targetds, props) != 0) {
38277b4126cSKyle Evans 			be_prop_list_free(props);
38377b4126cSKyle Evans 			goto destroy;
38477b4126cSKyle Evans 		}
38577b4126cSKyle Evans 		if (nvlist_lookup_string(props, "origin", &origin) == 0)
38677b4126cSKyle Evans 			fprintf(stderr, "bectl destroy: leaving origin '%s' intact\n",
38777b4126cSKyle Evans 			    origin);
38877b4126cSKyle Evans 		be_prop_list_free(props);
38977b4126cSKyle Evans 	}
39077b4126cSKyle Evans 
39177b4126cSKyle Evans destroy:
39277b4126cSKyle Evans 	err = be_destroy(be, target, flags);
3935952343eSKyle Evans 
3945952343eSKyle Evans 	return (err);
3955952343eSKyle Evans }
3965952343eSKyle Evans 
3975952343eSKyle Evans static int
3989e004b21SKyle Evans bectl_cmd_mount(int argc, char *argv[])
3995952343eSKyle Evans {
4005952343eSKyle Evans 	char result_loc[BE_MAXPATHLEN];
40116a10da8SKyle Evans 	char *bootenv, *mountpoint;
4020a603a6eSKyle Evans 	int err, mntflags;
4035952343eSKyle Evans 
4040a603a6eSKyle Evans 	/* XXX TODO: Allow shallow */
4050a603a6eSKyle Evans 	mntflags = BE_MNT_DEEP;
4065952343eSKyle Evans 	if (argc < 2) {
4072c848957SKyle Evans 		fprintf(stderr, "bectl mount: missing argument(s)\n");
4085952343eSKyle Evans 		return (usage(false));
4095952343eSKyle Evans 	}
4105952343eSKyle Evans 
4115952343eSKyle Evans 	if (argc > 3) {
4122c848957SKyle Evans 		fprintf(stderr, "bectl mount: too many arguments\n");
4135952343eSKyle Evans 		return (usage(false));
4145952343eSKyle Evans 	}
4155952343eSKyle Evans 
4165952343eSKyle Evans 	bootenv = argv[1];
4175952343eSKyle Evans 	mountpoint = ((argc == 3) ? argv[2] : NULL);
4185952343eSKyle Evans 
4190a603a6eSKyle Evans 	err = be_mount(be, bootenv, mountpoint, mntflags, result_loc);
4205952343eSKyle Evans 
4215952343eSKyle Evans 	switch (err) {
4225952343eSKyle Evans 	case BE_ERR_SUCCESS:
4235952343eSKyle Evans 		printf("successfully mounted %s at %s\n", bootenv, result_loc);
4245952343eSKyle Evans 		break;
4255952343eSKyle Evans 	default:
4265952343eSKyle Evans 		fprintf(stderr,
4275952343eSKyle Evans 		    (argc == 3) ? "failed to mount bootenv %s at %s\n" :
4285952343eSKyle Evans 		    "failed to mount bootenv %s at temporary path %s\n",
4295952343eSKyle Evans 		    bootenv, mountpoint);
4305952343eSKyle Evans 	}
4315952343eSKyle Evans 
4325952343eSKyle Evans 	return (err);
4335952343eSKyle Evans }
4345952343eSKyle Evans 
4355952343eSKyle Evans 
4365952343eSKyle Evans static int
4379e004b21SKyle Evans bectl_cmd_rename(int argc, char *argv[])
4385952343eSKyle Evans {
43916a10da8SKyle Evans 	char *dest, *src;
4405952343eSKyle Evans 	int err;
4415952343eSKyle Evans 
4425952343eSKyle Evans 	if (argc < 3) {
4432c848957SKyle Evans 		fprintf(stderr, "bectl rename: missing argument\n");
4445952343eSKyle Evans 		return (usage(false));
4455952343eSKyle Evans 	}
4465952343eSKyle Evans 
4475952343eSKyle Evans 	if (argc > 3) {
4482c848957SKyle Evans 		fprintf(stderr, "bectl rename: too many arguments\n");
4495952343eSKyle Evans 		return (usage(false));
4505952343eSKyle Evans 	}
4515952343eSKyle Evans 
4525952343eSKyle Evans 	src = argv[1];
4535952343eSKyle Evans 	dest = argv[2];
4545952343eSKyle Evans 
4555952343eSKyle Evans 	err = be_rename(be, src, dest);
4565952343eSKyle Evans 
4575952343eSKyle Evans 	switch (err) {
4585952343eSKyle Evans 	case BE_ERR_SUCCESS:
4595952343eSKyle Evans 		break;
4605952343eSKyle Evans 	default:
4615952343eSKyle Evans 		fprintf(stderr, "failed to rename bootenv %s to %s\n",
4625952343eSKyle Evans 		    src, dest);
4635952343eSKyle Evans 	}
4645952343eSKyle Evans 
4655952343eSKyle Evans 	return (0);
4665952343eSKyle Evans }
4675952343eSKyle Evans 
468ad765da4SKyle Evans static int
4699e004b21SKyle Evans bectl_cmd_unmount(int argc, char *argv[])
4705952343eSKyle Evans {
47116a10da8SKyle Evans 	char *bootenv, *cmd;
4725952343eSKyle Evans 	int err, flags, opt;
4735952343eSKyle Evans 
4745952343eSKyle Evans 	/* Store alias used */
4755952343eSKyle Evans 	cmd = argv[0];
4765952343eSKyle Evans 
4775952343eSKyle Evans 	flags = 0;
4785952343eSKyle Evans 	while ((opt = getopt(argc, argv, "f")) != -1) {
4795952343eSKyle Evans 		switch (opt) {
4805952343eSKyle Evans 		case 'f':
4815952343eSKyle Evans 			flags |= BE_MNT_FORCE;
4825952343eSKyle Evans 			break;
4835952343eSKyle Evans 		default:
4842c848957SKyle Evans 			fprintf(stderr, "bectl %s: unknown option '-%c'\n",
4855952343eSKyle Evans 			    cmd, optopt);
4865952343eSKyle Evans 			return (usage(false));
4875952343eSKyle Evans 		}
4885952343eSKyle Evans 	}
4895952343eSKyle Evans 
4905952343eSKyle Evans 	argc -= optind;
4915952343eSKyle Evans 	argv += optind;
4925952343eSKyle Evans 
4935952343eSKyle Evans 	if (argc != 1) {
4942c848957SKyle Evans 		fprintf(stderr, "bectl %s: wrong number of arguments\n", cmd);
4955952343eSKyle Evans 		return (usage(false));
4965952343eSKyle Evans 	}
4975952343eSKyle Evans 
4985952343eSKyle Evans 	bootenv = argv[0];
4995952343eSKyle Evans 
5005952343eSKyle Evans 	err = be_unmount(be, bootenv, flags);
5015952343eSKyle Evans 
5025952343eSKyle Evans 	switch (err) {
5035952343eSKyle Evans 	case BE_ERR_SUCCESS:
5045952343eSKyle Evans 		break;
5055952343eSKyle Evans 	default:
5065952343eSKyle Evans 		fprintf(stderr, "failed to unmount bootenv %s\n", bootenv);
5075952343eSKyle Evans 	}
5085952343eSKyle Evans 
5095952343eSKyle Evans 	return (err);
5105952343eSKyle Evans }
5115952343eSKyle Evans 
5125952343eSKyle Evans 
5135952343eSKyle Evans int
5145952343eSKyle Evans main(int argc, char *argv[])
5155952343eSKyle Evans {
516b29bf2f8SKyle Evans 	const char *command;
517cc624025SKyle Evans 	char *root;
5185952343eSKyle Evans 	int command_index, rc;
5195952343eSKyle Evans 
520cc624025SKyle Evans 	root = NULL;
5218369ba42SKyle Evans 	if (argc < 2)
5225952343eSKyle Evans 		return (usage(false));
5235952343eSKyle Evans 
524cc624025SKyle Evans 	if (strcmp(argv[1], "-r") == 0) {
525cc624025SKyle Evans 		if (argc < 4)
526cc624025SKyle Evans 			return (usage(false));
527cc624025SKyle Evans 		root = strdup(argv[2]);
528cc624025SKyle Evans 		command = argv[3];
529cc624025SKyle Evans 		argc -= 3;
530cc624025SKyle Evans 		argv += 3;
531cc624025SKyle Evans 	} else {
5325952343eSKyle Evans 		command = argv[1];
533cc624025SKyle Evans 		argc -= 1;
534cc624025SKyle Evans 		argv += 1;
535cc624025SKyle Evans 	}
5365952343eSKyle Evans 
5375952343eSKyle Evans 	/* Handle command aliases */
53816a10da8SKyle Evans 	if (strcmp(command, "umount") == 0)
5395952343eSKyle Evans 		command = "unmount";
5405952343eSKyle Evans 
54116a10da8SKyle Evans 	if (strcmp(command, "ujail") == 0)
5425952343eSKyle Evans 		command = "unjail";
5435952343eSKyle Evans 
54416a10da8SKyle Evans 	if ((strcmp(command, "-?") == 0) || (strcmp(command, "-h") == 0))
5455952343eSKyle Evans 		return (usage(true));
5465952343eSKyle Evans 
5475952343eSKyle Evans 	if (get_cmd_index(command, &command_index)) {
5485952343eSKyle Evans 		fprintf(stderr, "unknown command: %s\n", command);
5495952343eSKyle Evans 		return (usage(false));
5505952343eSKyle Evans 	}
5515952343eSKyle Evans 
5525952343eSKyle Evans 
553cc624025SKyle Evans 	if ((be = libbe_init(root)) == NULL)
5545952343eSKyle Evans 		return (-1);
5555952343eSKyle Evans 
5565952343eSKyle Evans 	libbe_print_on_error(be, true);
5575952343eSKyle Evans 
558cc624025SKyle Evans 	rc = command_map[command_index].fn(argc, argv);
5595952343eSKyle Evans 
5605952343eSKyle Evans 	libbe_close(be);
5615952343eSKyle Evans 	return (rc);
5625952343eSKyle Evans }
563