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, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /*
28 * pooladm - set, remove, or display active pool configurations.
29 */
30
31 #include <sys/zone.h>
32 #include <sys/types.h>
33 #include <sys/stat.h>
34 #include <stdio.h>
35 #include <stdlib.h>
36 #include <libintl.h>
37 #include <locale.h>
38 #include <string.h>
39 #include <priv.h>
40 #include <errno.h>
41 #include <zone.h>
42 #include <pool.h>
43 #include <unistd.h>
44 #include "utils.h"
45
46 #ifndef TEXT_DOMAIN
47 #define TEXT_DOMAIN "SYS_TEST"
48 #endif
49
50 static int Cflag;
51 static int Sflag;
52 static int Dflag;
53 static int Eflag;
54 static int Nflag;
55 static int Xflag;
56
57 static void
usage(void)58 usage(void)
59 {
60 (void) fprintf(stderr,
61 gettext("Usage:\tpooladm [-n] [-s] [-c] [filename]\n"));
62 (void) fprintf(stderr,
63 gettext("Usage:\tpooladm [-n] -x\n"));
64 (void) fprintf(stderr,
65 gettext("Usage:\tpooladm -d | -e\n"));
66 exit(E_USAGE);
67 }
68
69 static void
config_print(pool_conf_t * conf)70 config_print(pool_conf_t *conf)
71 {
72 char *buf;
73 pool_value_t *pv;
74 const char *tgt;
75
76 if (pool_conf_open(conf, pool_dynamic_location(), PO_RDONLY)
77 != PO_SUCCESS)
78 die(gettext(ERR_OPEN_DYNAMIC), get_errstr());
79
80 if ((pv = pool_value_alloc()) == NULL ||
81 pool_get_property(conf, pool_conf_to_elem(conf), "system.name",
82 pv) == POC_INVAL ||
83 pool_value_get_string(pv, &tgt) != PO_SUCCESS)
84 die(gettext(ERR_GET_ELEMENT_DETAILS),
85 gettext(CONFIGURATION), "unknown", get_errstr());
86
87 if ((buf = pool_conf_info(conf, PO_TRUE)) == NULL)
88 die(gettext(ERR_GET_ELEMENT_DETAILS), gettext(CONFIGURATION),
89 tgt, get_errstr());
90 pool_value_free(pv);
91 (void) printf("%s", buf);
92 free(buf);
93 (void) pool_conf_close(conf);
94 }
95
96 static void
config_destroy(pool_conf_t * conf)97 config_destroy(pool_conf_t *conf)
98 {
99 if (pool_conf_open(conf, pool_dynamic_location(), PO_RDWR)
100 != PO_SUCCESS)
101 die(gettext(ERR_OPEN_DYNAMIC), get_errstr());
102 if (pool_conf_remove(conf) != PO_SUCCESS)
103 die(gettext(ERR_REMOVE_DYNAMIC), get_errstr());
104 }
105
106 static void
config_commit(pool_conf_t * conf,const char * static_conf_name)107 config_commit(pool_conf_t *conf, const char *static_conf_name)
108 {
109 if (pool_conf_open(conf, static_conf_name, Nflag || !Sflag ?
110 PO_RDONLY : PO_RDWR) != PO_SUCCESS)
111 die(gettext(ERR_OPEN_STATIC), static_conf_name, get_errstr());
112
113 if (pool_conf_validate(conf, POV_RUNTIME) != PO_SUCCESS)
114 die(gettext(ERR_VALIDATE_RUNTIME), static_conf_name);
115 if (!Nflag) {
116 if (pool_conf_commit(conf, PO_TRUE) != PO_SUCCESS)
117 die(gettext(ERR_COMMIT_DYNAMIC), static_conf_name,
118 get_errstr());
119 /*
120 * Dump the updated state to the specified location
121 */
122 if (Sflag) {
123 if (pool_conf_commit(conf, PO_FALSE) != PO_SUCCESS)
124 die(gettext(ERR_COMMIT_STATIC),
125 static_conf_name, get_errstr());
126 }
127 }
128 (void) pool_conf_close(conf);
129 }
130
131 int
main(int argc,char * argv[])132 main(int argc, char *argv[])
133 {
134 int c;
135 pool_conf_t *conf = NULL;
136 const char *static_conf_loc;
137
138 (void) getpname(argv[0]);
139 (void) setlocale(LC_ALL, "");
140 (void) textdomain(TEXT_DOMAIN);
141
142
143 while ((c = getopt(argc, argv, "cdensx")) != EOF) {
144 switch (c) {
145 case 'c': /* Create (or modify) system configuration */
146 Cflag++;
147 break;
148 case 'd': /* Disable the pools facility */
149 Dflag++;
150 break;
151 case 'e': /* Enable the pools facility */
152 Eflag++;
153 break;
154 case 'n': /* Don't actually do anything */
155 Nflag++;
156 break;
157 case 's': /* Update the submitted configuration */
158 Sflag++;
159 break;
160 case 'x': /* Delete current system configuration */
161 Xflag++;
162 break;
163 case '?':
164 default:
165 usage();
166 /*NOTREACHED*/
167 }
168 }
169
170 /*
171 * Not all flags can be used at the same time.
172 */
173 if ((Cflag || Sflag || Dflag || Eflag) && Xflag)
174 usage();
175
176 if ((Dflag || Eflag) && (Cflag || Sflag || Xflag))
177 usage();
178
179 if (Dflag && Eflag)
180 usage();
181
182 argc -= optind;
183 argv += optind;
184
185 if (! (Cflag || Sflag)) {
186 if (argc != 0)
187 usage();
188 } else {
189 if (argc == 0)
190 static_conf_loc = pool_static_location();
191 else if (argc == 1)
192 static_conf_loc = argv[0];
193 else
194 usage();
195 }
196
197 if (!Nflag && (Cflag + Dflag + Eflag + Xflag != 0) &&
198 !priv_ineffect(PRIV_SYS_RES_CONFIG))
199 die(gettext(ERR_PERMISSIONS));
200
201 if (Dflag) {
202 if (pool_set_status(POOL_DISABLED) != PO_SUCCESS)
203 die(gettext(ERR_DISABLE));
204 } else if (Eflag) {
205 if (pool_set_status(POOL_ENABLED) != PO_SUCCESS) {
206 if (errno == EEXIST)
207 die(gettext(ERR_ENABLE
208 ": System has active processor sets\n"));
209 else
210 die(gettext(ERR_ENABLE));
211 }
212 } else {
213 if ((conf = pool_conf_alloc()) == NULL)
214 die(gettext(ERR_NOMEM));
215
216 if (Cflag + Sflag + Xflag == 0) {
217 /*
218 * No flags means print current system configuration
219 */
220 config_print(conf);
221 } else if (!Nflag && Xflag) {
222 /*
223 * Destroy active pools configuration and
224 * remove the state file.
225 */
226 config_destroy(conf);
227 } else {
228 /*
229 * Commit a new configuration.
230 */
231 if (Cflag)
232 config_commit(conf, static_conf_loc);
233 else {
234 /*
235 * Dump the dynamic state to the
236 * specified location
237 */
238 if (!Nflag && Sflag) {
239 if (pool_conf_open(conf,
240 pool_dynamic_location(), PO_RDONLY)
241 != PO_SUCCESS)
242 die(gettext(ERR_OPEN_DYNAMIC),
243 get_errstr());
244 if (pool_conf_export(conf,
245 static_conf_loc, POX_NATIVE) !=
246 PO_SUCCESS)
247 die(gettext(ERR_EXPORT_DYNAMIC),
248 static_conf_loc, get_errstr());
249 (void) pool_conf_close(conf);
250 }
251 }
252 }
253 pool_conf_free(conf);
254 }
255 return (E_PO_SUCCESS);
256 }
257