1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #include <stdlib.h>
28 #include <stdio.h>
29 #include <string.h>
30 #include <ctype.h>
31 #include <unistd.h>
32 #include <getopt.h>
33 #include <libgen.h>
34
35 #include <libshare.h>
36 #include "sharemgr.h"
37 #include <libintl.h>
38 #include <locale.h>
39
40 char *protocol = NULL;
41 static int help = 0;
42
43 static int run_command(char *, int, char **, char *, sa_handle_t);
44 extern sa_command_t *sa_lookup(char *, char *);
45 extern void sub_command_help(char *proto);
46
47 static void
global_help()48 global_help()
49 {
50 (void) printf(gettext("usage: sharemgr [-h | <command> [options]]\n"));
51 sub_command_help(NULL);
52 }
53
54 int
main(int argc,char * argv[])55 main(int argc, char *argv[])
56 {
57 int c;
58 int rval;
59 char *command = NULL;
60 sa_handle_t handle;
61
62 /*
63 * make sure locale and gettext domain is setup
64 */
65 (void) setlocale(LC_ALL, "");
66 (void) textdomain(TEXT_DOMAIN);
67
68 /*
69 * parse enough of command line to get protocol, if any.
70 * Note that options need to come "after" the subcommand.
71 */
72 command = basename(argv[0]);
73 if (strcmp(command, "share") != 0 && strcmp(command, "unshare") != 0) {
74 while ((c = getopt(argc, argv, "h?")) != EOF) {
75 switch (c) {
76 default:
77 case 'h':
78 case '?':
79 help = 1;
80 break;
81 }
82 }
83 if (argc == 1)
84 help = 1;
85 }
86
87 if (strcmp(command, "sharemgr") == 0) {
88 command = argv[optind];
89 argv++;
90 argc--;
91 }
92
93 if (help) {
94 /* no subcommand */
95 global_help();
96 exit(SA_OK);
97 }
98
99 /*
100 * now have enough to parse rest of command line
101 *
102 * First, initialize the plugin architecture.
103 * Plugins are needed in the event of a global help
104 * request.
105 *
106 * reset optind to 1 so the parsing that takes place in
107 * sa_init() will work correctly.
108 */
109
110 optind = 1;
111 handle = sa_init(SA_INIT_SHARE_API);
112
113 /*
114 * reset optind again since we will start parsing all over in
115 * the sub-commands.
116 */
117 optind = 1;
118 rval = run_command(command, argc, argv, protocol, handle);
119
120 sa_fini(handle);
121 return (rval);
122 }
123
124 static int
run_command(char * command,int argc,char * argv[],char * proto,sa_handle_t handle)125 run_command(char *command, int argc, char *argv[], char *proto,
126 sa_handle_t handle)
127 {
128 sa_command_t *cmdvec;
129 int ret;
130
131 /*
132 * To get here, we know there should be a command due to the
133 * preprocessing done earlier. Need to find the protocol
134 * that is being affected. If no protocol, then it is ALL
135 * protocols.
136 *
137 * We don't currently use the protocol here at this point. It
138 * is left in as a placeholder for the future addition of
139 * protocol specific sub-commands.
140 *
141 * Known sub-commands are handled at this level. An unknown
142 * command will be passed down to the shared object that
143 * actually implements it. We can do this since the semantics
144 * of the common sub-commands is well defined.
145 */
146
147 cmdvec = sa_lookup(command, proto);
148 if (cmdvec == NULL) {
149 (void) printf(gettext("command %s not found\n"), command);
150 exit(1);
151 }
152 /*
153 * need to check priviledges and restrict what can be done
154 * based on least priviledge and sub-command so pass this in
155 * as a flag.
156 */
157 ret = cmdvec->cmdfunc(handle, cmdvec->priv, argc, argv);
158 return (ret);
159 }
160