xref: /illumos-gate/usr/src/cmd/fs.d/smbclnt/smbutil/smbutil.c (revision 2c5ec7a875dcd76853e6618614e990f1e8cdd56d)
1 /*
2  * Copyright (c) 2000, Boris Popov
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *    This product includes software developed by Boris Popov.
16  * 4. Neither the name of the author nor the names of any co-contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  */
32 
33 /*
34  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
35  * Use is subject to license terms.
36  *
37  * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
38  */
39 
40 #include <sys/param.h>
41 #include <sys/time.h>
42 #include <stdio.h>
43 #include <string.h>
44 #include <unistd.h>
45 #include <stdlib.h>
46 #include <err.h>
47 #include <sysexits.h>
48 #include <locale.h>
49 #include <libintl.h>
50 
51 #include <netsmb/smb_lib.h>
52 
53 #include "common.h"
54 
55 #ifndef EX_DATAERR
56 #define	EX_DATAERR 1
57 #endif
58 
59 static void help(void) __NORETURN;
60 
61 typedef int cmd_fn_t (int argc, char *argv[]);
62 typedef void cmd_usage_t (void);
63 
64 #define	CMDFL_NO_KMOD	0x0001
65 
66 static struct commands {
67 	const char	*name;
68 	cmd_fn_t	*fn;
69 	cmd_usage_t	*usage;
70 	int		flags;
71 } commands[] = {
72 	{"crypt",	cmd_crypt,	NULL, CMDFL_NO_KMOD},
73 	{"help",	cmd_help,	help_usage, CMDFL_NO_KMOD},
74 	{"info",	cmd_info,	info_usage, 0},
75 	{"login",	cmd_login,	login_usage, 0},
76 	{"logout",	cmd_logout,	logout_usage, 0},
77 	{"logoutall",	cmd_logoutall,	logoutall_usage, 0},
78 	{"lookup",	cmd_lookup,	lookup_usage, CMDFL_NO_KMOD},
79 	{"print",	cmd_print,	print_usage, 0},
80 	{"status",	cmd_status,	status_usage, CMDFL_NO_KMOD},
81 	{"view",	cmd_view,	view_usage, 0},
82 	{NULL, NULL, NULL, 0}
83 };
84 
85 static struct commands *
86 lookupcmd(const char *name)
87 {
88 	struct commands *cmd;
89 
90 	for (cmd = commands; cmd->name; cmd++) {
91 		if (strcmp(cmd->name, name) == 0)
92 			return (cmd);
93 	}
94 	return (NULL);
95 }
96 
97 int
98 cmd_crypt(int argc, char *argv[])
99 {
100 	char *cp, *psw;
101 
102 	if (argc < 2)
103 		psw = getpassphrase(gettext("Password:"));
104 	else
105 		psw = argv[1];
106 	/* XXX Better to embed malloc/free in smb_simplecrypt? */
107 	cp = malloc(4 + 2 * strlen(psw));
108 	if (cp == NULL)
109 		errx(EX_DATAERR, gettext("out of memory"));
110 	smb_simplecrypt(cp, psw);
111 	printf("%s\n", cp);
112 	free(cp);
113 	return (0);
114 }
115 
116 int
117 cmd_help(int argc, char *argv[])
118 {
119 	struct commands *cmd;
120 	char *cp;
121 
122 	if (argc < 2)
123 		help_usage();
124 	cp = argv[1];
125 	cmd = lookupcmd(cp);
126 	if (cmd == NULL)
127 		errx(EX_DATAERR, gettext("unknown command %s"), cp);
128 	if (cmd->usage == NULL)
129 		errx(EX_DATAERR,
130 		    gettext("no specific help for command %s"), cp);
131 	cmd->usage();
132 	return (0);
133 }
134 
135 int
136 main(int argc, char *argv[])
137 {
138 	struct commands *cmd;
139 	char *cp;
140 	int err, opt;
141 
142 	(void) setlocale(LC_ALL, "");
143 	(void) textdomain(TEXT_DOMAIN);
144 
145 #ifdef APPLE
146 	dropsuid(); /* see libsmbfs */
147 #endif
148 
149 	if (argc < 2)
150 		help();
151 
152 	while ((opt = getopt(argc, argv, "dhv")) != EOF) {
153 		switch (opt) {
154 		case 'd':
155 			smb_debug++;
156 			break;
157 		case 'h':
158 			help();
159 			/* NOTREACHED */
160 		case 'v':
161 			smb_verbose++;
162 			break;
163 		default:
164 			help();
165 			/* NOTREACHED */
166 		}
167 	}
168 	if (optind >= argc)
169 		help();
170 
171 	cp = argv[optind];
172 	cmd = lookupcmd(cp);
173 	if (cmd == NULL)
174 		errx(EX_DATAERR, gettext("unknown command %s"), cp);
175 
176 	if ((cmd->flags & CMDFL_NO_KMOD) == 0 && smb_lib_init() != 0)
177 		exit(1);
178 
179 	argc -= optind;
180 	argv += optind;
181 	optind = 1;
182 	err = cmd->fn(argc, argv);
183 	return ((err) ? 1 : 0);
184 }
185 
186 static void
187 help(void) {
188 	printf("\n");
189 	printf(gettext("usage: %s [-hv] subcommand [args]\n"), __progname);
190 	printf(gettext("where subcommands are:\n"
191 	" crypt		slightly obscure password\n"
192 	" help		display help on specified subcommand\n"
193 	/* " lc		display active connections\n" */
194 	" info		display server type and version\n"
195 	" login		login to specified host\n"
196 	" logout	logout from specified host\n"
197 	" logoutall	logout all users (requires privilege)\n"
198 	" lookup	resolve NetBIOS name to IP address\n"
199 	" print		print file to the specified remote printer\n"
200 	" status	resolve IP address or DNS name to NetBIOS names\n"
201 	" view		list resources on specified host\n"
202 	"\n"));
203 	exit(1);
204 }
205 
206 void
207 help_usage(void) {
208 	printf(gettext("usage: smbutil help command\n"));
209 	exit(1);
210 }
211