2 * Copyright (c) 2003 Mike Barcroft <mike@FreeBSD.org>
3 * Copyright (c) 2008 Bjoern A. Zeeb <bz@FreeBSD.org>
4 * Copyright (c) 2009 James Gritton <jamie@FreeBSD.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include <sys/param.h>
34 #include <sys/socket.h>
35 #include <sys/sysctl.h>
37 #include <arpa/inet.h>
38 #include <netinet/in.h>
49 #define JP_USER 0x01000000
50 #define JP_OPT 0x02000000
52 #define PRINT_DEFAULT 0x01
53 #define PRINT_HEADER 0x02
54 #define PRINT_NAMEVAL 0x04
55 #define PRINT_QUOTED 0x08
56 #define PRINT_SKIP 0x10
57 #define PRINT_VERBOSE 0x20
59 static struct jailparam *params;
60 static int *param_parent;
63 static int add_param(const char *name, void *value, size_t valuelen,
64 struct jailparam *source, unsigned flags);
65 static int sort_param(const void *a, const void *b);
66 static char *noname(const char *name);
67 static char *nononame(const char *name);
68 static int print_jail(int pflags, int jflags);
69 static void quoted_print(char *str);
72 main(int argc, char **argv)
74 char *dot, *ep, *jname;
75 int c, i, jflags, jid, lastjid, pflags, spc;
78 pflags = jflags = jid = 0;
79 while ((c = getopt(argc, argv, "adj:hnqsv")) >= 0)
86 jid = strtoul(optarg, &ep, 10);
93 pflags = (pflags & ~(PRINT_SKIP | PRINT_VERBOSE)) |
97 pflags = (pflags & ~PRINT_VERBOSE) | PRINT_NAMEVAL;
100 pflags |= PRINT_QUOTED;
103 pflags = (pflags & ~(PRINT_HEADER | PRINT_VERBOSE)) |
104 PRINT_NAMEVAL | PRINT_QUOTED | PRINT_SKIP;
108 ~(PRINT_HEADER | PRINT_NAMEVAL | PRINT_SKIP)) |
112 errx(1, "usage: jls [-dhnqv] [-j jail] [param ...]");
115 /* Add the parameters to print. */
116 if (optind == argc) {
117 if (pflags & (PRINT_HEADER | PRINT_NAMEVAL))
118 add_param("all", NULL, (size_t)0, NULL, JP_USER);
119 else if (pflags & PRINT_VERBOSE) {
120 add_param("jid", NULL, (size_t)0, NULL, JP_USER);
121 add_param("host.hostname", NULL, (size_t)0, NULL,
123 add_param("path", NULL, (size_t)0, NULL, JP_USER);
124 add_param("name", NULL, (size_t)0, NULL, JP_USER);
125 add_param("dying", NULL, (size_t)0, NULL, JP_USER);
126 add_param("cpuset.id", NULL, (size_t)0, NULL, JP_USER);
127 add_param("ip4.addr", NULL, (size_t)0, NULL, JP_USER);
128 add_param("ip6.addr", NULL, (size_t)0, NULL,
131 pflags |= PRINT_DEFAULT;
132 add_param("jid", NULL, (size_t)0, NULL, JP_USER);
133 add_param("ip4.addr", NULL, (size_t)0, NULL, JP_USER);
134 add_param("host.hostname", NULL, (size_t)0, NULL,
136 add_param("path", NULL, (size_t)0, NULL, JP_USER);
139 while (optind < argc)
140 add_param(argv[optind++], NULL, (size_t)0, NULL,
143 if (pflags & PRINT_SKIP) {
144 /* Check for parameters with jailsys parents. */
145 for (i = 0; i < nparams; i++) {
146 if ((params[i].jp_flags & JP_USER) &&
147 (dot = strchr(params[i].jp_name, '.'))) {
149 param_parent[i] = add_param(params[i].jp_name,
150 NULL, (size_t)0, NULL, JP_OPT);
156 /* Add the index key parameters. */
158 add_param("jid", &jid, sizeof(jid), NULL, 0);
159 else if (jname != NULL)
160 add_param("name", jname, strlen(jname), NULL, 0);
162 add_param("lastjid", &lastjid, sizeof(lastjid), NULL, 0);
164 /* Print a header line if requested. */
165 if (pflags & PRINT_VERBOSE)
166 printf(" JID Hostname Path\n"
169 " IP Address(es)\n");
170 else if (pflags & PRINT_DEFAULT)
171 printf(" JID IP Address "
173 else if (pflags & PRINT_HEADER) {
174 for (i = spc = 0; i < nparams; i++)
175 if (params[i].jp_flags & JP_USER) {
180 fputs(params[i].jp_name, stdout);
185 /* Fetch the jail(s) and print the paramters. */
186 if (jid != 0 || jname != NULL) {
187 if (print_jail(pflags, jflags) < 0)
188 errx(1, "%s", jail_errmsg);
191 (lastjid = print_jail(pflags, jflags)) >= 0; )
193 if (errno != 0 && errno != ENOENT)
194 errx(1, "%s", jail_errmsg);
201 add_param(const char *name, void *value, size_t valuelen,
202 struct jailparam *source, unsigned flags)
204 struct jailparam *param, *tparams;
207 static int paramlistsize;
209 /* The pseudo-parameter "all" scans the list of available parameters. */
210 if (!strcmp(name, "all")) {
211 tnparams = jailparam_all(&tparams);
213 errx(1, "%s", jail_errmsg);
214 qsort(tparams, (size_t)tnparams, sizeof(struct jailparam),
216 for (i = 0; i < tnparams; i++)
217 add_param(tparams[i].jp_name, NULL, (size_t)0,
223 /* Check for repeat parameters. */
224 for (i = 0; i < nparams; i++)
225 if (!strcmp(name, params[i].jp_name)) {
226 if (value != NULL && jailparam_import_raw(params + i,
227 value, valuelen) < 0)
228 errx(1, "%s", jail_errmsg);
229 params[i].jp_flags |= flags;
231 jailparam_free(source, 1);
235 /* Make sure there is room for the new param record. */
238 params = malloc(paramlistsize * sizeof(*params));
239 param_parent = malloc(paramlistsize * sizeof(*param_parent));
240 if (params == NULL || param_parent == NULL)
242 } else if (nparams >= paramlistsize) {
244 params = realloc(params, paramlistsize * sizeof(*params));
245 param_parent = realloc(param_parent,
246 paramlistsize * sizeof(*param_parent));
247 if (params == NULL || param_parent == NULL)
251 /* Look up the parameter. */
252 param_parent[nparams] = -1;
253 param = params + nparams++;
254 if (source != NULL) {
256 param->jp_flags |= flags;
257 return param - params;
259 if (jailparam_init(param, name) < 0)
260 errx(1, "%s", jail_errmsg);
261 param->jp_flags = flags;
262 if ((value != NULL ? jailparam_import_raw(param, value, valuelen)
263 : jailparam_import(param, value)) < 0) {
264 if (flags & JP_OPT) {
268 errx(1, "%s", jail_errmsg);
270 return param - params;
274 sort_param(const void *a, const void *b)
276 const struct jailparam *parama, *paramb;
279 /* Put top-level parameters first. */
282 ap = strchr(parama->jp_name, '.');
283 bp = strchr(paramb->jp_name, '.');
288 return (strcmp(parama->jp_name, paramb->jp_name));
292 noname(const char *name)
296 nname = malloc(strlen(name) + 3);
299 p = strrchr(name, '.');
301 sprintf(nname, "%.*s.no%s", (int)(p - name), name, p + 1);
303 sprintf(nname, "no%s", name);
308 nononame(const char *name)
312 p = strrchr(name, '.');
313 if (strncmp(p ? p + 1 : name, "no", 2))
315 nname = malloc(strlen(name) - 1);
319 sprintf(nname, "%.*s.%s", (int)(p - name), name, p + 3);
321 strcpy(nname, name + 2);
326 print_jail(int pflags, int jflags)
330 int i, ai, jid, count, spc;
331 char ipbuf[INET6_ADDRSTRLEN];
333 jid = jailparam_get(params, nparams, jflags);
336 if (pflags & PRINT_VERBOSE) {
337 printf("%6d %-29.29s %.74s\n"
338 "%6s %-29.29s %.74s\n"
340 *(int *)params[0].jp_value,
341 (char *)params[1].jp_value,
342 (char *)params[2].jp_value,
344 (char *)params[3].jp_value,
345 *(int *)params[4].jp_value ? "DYING" : "ACTIVE",
347 *(int *)params[5].jp_value);
348 count = params[6].jp_valuelen / sizeof(struct in_addr);
349 for (ai = 0; ai < count; ai++)
350 if (inet_ntop(AF_INET,
351 &((struct in_addr *)params[6].jp_value)[ai],
352 ipbuf, sizeof(ipbuf)) == NULL)
355 printf("%6s %-15.15s\n", "", ipbuf);
356 if (!strcmp(params[7].jp_name, "ip6.addr")) {
357 count = params[7].jp_valuelen / sizeof(struct in6_addr);
358 for (ai = 0; ai < count; ai++)
359 if (inet_ntop(AF_INET6,
360 &((struct in6_addr *)params[7].jp_value)[ai],
361 ipbuf, sizeof(ipbuf)) == NULL)
364 printf("%6s %s\n", "", ipbuf);
366 } else if (pflags & PRINT_DEFAULT)
367 printf("%6d %-15.15s %-29.29s %.74s\n",
368 *(int *)params[0].jp_value,
369 params[1].jp_valuelen == 0 ? "-"
370 : inet_ntoa(*(struct in_addr *)params[1].jp_value),
371 (char *)params[2].jp_value,
372 (char *)params[3].jp_value);
374 param_values = alloca(nparams * sizeof(*param_values));
375 for (i = 0; i < nparams; i++) {
376 if (!(params[i].jp_flags & JP_USER))
378 param_values[i] = jailparam_export(params + i);
379 if (param_values[i] == NULL)
380 errx(1, "%s", jail_errmsg);
382 for (i = spc = 0; i < nparams; i++) {
383 if (!(params[i].jp_flags & JP_USER))
385 if ((pflags & PRINT_SKIP) &&
386 ((!(params[i].jp_ctltype &
387 (CTLFLAG_WR | CTLFLAG_TUN))) ||
388 (param_parent[i] >= 0 &&
389 *(int *)params[param_parent[i]].jp_value !=
396 if (pflags & PRINT_NAMEVAL) {
398 * Generally "name=value", but for booleans
399 * either "name" or "noname".
401 if (params[i].jp_flags &
402 (JP_BOOL | JP_NOBOOL)) {
403 if (*(int *)params[i].jp_value)
404 printf("%s", params[i].jp_name);
406 nname = (params[i].jp_flags &
408 nononame(params[i].jp_name)
409 : noname(params[i].jp_name);
415 printf("%s=", params[i].jp_name);
417 if (params[i].jp_valuelen == 0) {
418 if (pflags & PRINT_QUOTED)
420 else if (!(pflags & PRINT_NAMEVAL))
423 quoted_print(param_values[i]);
426 for (i = 0; i < nparams; i++)
427 if (params[i].jp_flags & JP_USER)
428 free(param_values[i]);
434 quoted_print(char *str)
439 /* An empty string needs quoting. */
441 fputs("\"\"", stdout);
446 * The value will be surrounded by quotes if it contains spaces
449 qc = strchr(p, '\'') ? '"'
450 : strchr(p, '"') ? '\''
451 : strchr(p, ' ') || strchr(p, '\t') ? '"'
456 if (c == '\\' || c == qc)