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 2006 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <stdlib.h> 30 #include <stdio.h> 31 #include <string.h> 32 #include <ctype.h> 33 #include <unistd.h> 34 #include <getopt.h> 35 #include <libgen.h> 36 37 #include <libshare.h> 38 #include "sharemgr.h" 39 #include <libintl.h> 40 #include <locale.h> 41 42 char *protocol = NULL; 43 static int help = 0; 44 45 static int run_command(char *, int, char **, char *); 46 extern sa_command_t *sa_lookup(char *, char *); 47 extern void sub_command_help(char *proto); 48 49 static void 50 global_help() 51 { 52 (void) printf(gettext("usage: sharemgr [-h | <command> [options]]\n")); 53 sub_command_help(NULL); 54 } 55 56 int 57 main(int argc, char *argv[]) 58 { 59 int c; 60 int rval; 61 char *command = NULL; 62 63 /* 64 * make sure locale and gettext domain is setup 65 */ 66 (void) setlocale(LC_ALL, ""); 67 (void) textdomain(TEXT_DOMAIN); 68 69 /* 70 * parse enough of command line to get protocol, if any. 71 * Note that options need to come "after" the subcommand. 72 */ 73 command = basename(argv[0]); 74 if (strcmp(command, "share") != 0 && strcmp(command, "unshare") != 0) { 75 while ((c = getopt(argc, argv, "h?")) != EOF) { 76 switch (c) { 77 default: 78 case 'h': 79 case '?': 80 help = 1; 81 break; 82 } 83 } 84 if (argc == 1) 85 help = 1; 86 } 87 88 if (strcmp(command, "sharemgr") == 0) { 89 command = argv[optind]; 90 argv++; 91 argc--; 92 } 93 94 if (help) { 95 /* no subcommand */ 96 global_help(); 97 exit(SA_OK); 98 } 99 100 /* 101 * now have enough to parse rest of command line 102 * 103 * First, initialize the plugin architecture. 104 * Plugins are needed in the event of a global help 105 * request. 106 * 107 * reset optind to 1 so the parsing that takes place in 108 * sa_init() will work correctly. 109 */ 110 111 optind = 1; 112 sa_init(SA_INIT_SHARE_API); 113 114 /* 115 * reset optind again since we will start parsing all over in 116 * the sub-commands. 117 */ 118 optind = 1; 119 rval = run_command(command, argc, argv, protocol); 120 121 sa_fini(); 122 return (rval); 123 } 124 125 static int 126 run_command(char *command, int argc, char *argv[], char *proto) 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(cmdvec->priv, argc, argv); 158 return (ret); 159 } 160