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 2018 Nexenta Systems, Inc.
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 {"discon", cmd_discon, discon_usage, 0},
74 {"help", cmd_help, help_usage, CMDFL_NO_KMOD},
75 {"info", cmd_info, info_usage, 0},
76 {"login", cmd_login, login_usage, 0},
77 {"logout", cmd_logout, logout_usage, 0},
78 {"logoutall", cmd_logoutall, logoutall_usage, 0},
79 {"lookup", cmd_lookup, lookup_usage, CMDFL_NO_KMOD},
80 {"print", cmd_print, print_usage, 0},
81 {"status", cmd_status, status_usage, CMDFL_NO_KMOD},
82 {"view", cmd_view, view_usage, 0},
83 {NULL, NULL, NULL, 0}
84 };
85
86 static struct commands *
lookupcmd(const char * name)87 lookupcmd(const char *name)
88 {
89 struct commands *cmd;
90
91 for (cmd = commands; cmd->name; cmd++) {
92 if (strcmp(cmd->name, name) == 0)
93 return (cmd);
94 }
95 return (NULL);
96 }
97
98 int
cmd_crypt(int argc,char * argv[])99 cmd_crypt(int argc, char *argv[])
100 {
101 char *cp, *psw;
102
103 if (argc < 2)
104 psw = getpassphrase(gettext("Password:"));
105 else
106 psw = argv[1];
107 /* XXX Better to embed malloc/free in smb_simplecrypt? */
108 cp = malloc(4 + 2 * strlen(psw));
109 if (cp == NULL)
110 errx(EX_DATAERR, gettext("out of memory"));
111 smb_simplecrypt(cp, psw);
112 printf("%s\n", cp);
113 free(cp);
114 return (0);
115 }
116
117 int
cmd_help(int argc,char * argv[])118 cmd_help(int argc, char *argv[])
119 {
120 struct commands *cmd;
121 char *cp;
122
123 if (argc < 2)
124 help_usage();
125 cp = argv[1];
126 cmd = lookupcmd(cp);
127 if (cmd == NULL)
128 errx(EX_DATAERR, gettext("unknown command %s"), cp);
129 if (cmd->usage == NULL)
130 errx(EX_DATAERR,
131 gettext("no specific help for command %s"), cp);
132 cmd->usage();
133 return (0);
134 }
135
136 int
main(int argc,char * argv[])137 main(int argc, char *argv[])
138 {
139 struct commands *cmd;
140 char *cp;
141 int err, opt;
142
143 (void) setlocale(LC_ALL, "");
144 (void) textdomain(TEXT_DOMAIN);
145
146 #ifdef APPLE
147 dropsuid(); /* see libsmbfs */
148 #endif
149
150 if (argc < 2)
151 help();
152
153 while ((opt = getopt(argc, argv, "dhv")) != EOF) {
154 switch (opt) {
155 case 'd':
156 smb_debug++;
157 break;
158 case 'h':
159 help();
160 /* NOTREACHED */
161 case 'v':
162 smb_verbose++;
163 break;
164 default:
165 help();
166 /* NOTREACHED */
167 }
168 }
169 if (optind >= argc)
170 help();
171
172 cp = argv[optind];
173 cmd = lookupcmd(cp);
174 if (cmd == NULL)
175 errx(EX_DATAERR, gettext("unknown command %s"), cp);
176
177 if ((cmd->flags & CMDFL_NO_KMOD) == 0 && smb_lib_init() != 0)
178 exit(1);
179
180 argc -= optind;
181 argv += optind;
182 optind = 1;
183 err = cmd->fn(argc, argv);
184 return ((err) ? 1 : 0);
185 }
186
187 static void
help(void)188 help(void)
189 {
190 printf("\n");
191 printf(gettext("usage: %s [-hv] subcommand [args]\n"), __progname);
192 printf(gettext("where subcommands are:\n"
193 " crypt slightly obscure password\n"
194 " help display help on specified subcommand\n"
195 " info display server type and version\n"
196 " login login to specified host\n"
197 " logout logout from specified host\n"
198 " logoutall logout all users (requires privilege)\n"
199 " lookup resolve NetBIOS name to IP address\n"
200 " print print file to the specified remote printer\n"
201 " status resolve IP address or DNS name to NetBIOS names\n"
202 " view list resources on specified host\n"
203 "\n"));
204 exit(1);
205 }
206
207 void
help_usage(void)208 help_usage(void)
209 {
210 printf(gettext("usage: smbutil help command\n"));
211 exit(1);
212 }
213