1 /* $OpenBSD: keyword.c,v 1.23 2004/09/14 23:45:14 deraadt Exp $ */
2 /* $NetBSD: keyword.c,v 1.12.6.1 1996/05/30 21:25:13 cgd Exp $ */
3
4 /*-
5 * Copyright (c) 1990, 1993, 1994
6 * The Regents of the University of California. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its 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 REGENTS 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 REGENTS 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 #ifndef lint
34 #if 0
35 static char sccsid[] = "@(#)keyword.c 8.5 (Berkeley) 4/2/94";
36 #else
37 static char rcsid[] = "$OpenBSD: keyword.c,v 1.23 2004/09/14 23:45:14 deraadt Exp $";
38 #endif
39 #endif /* not lint */
40
41 #include <sys/param.h>
42 #include <sys/time.h>
43 #include <sys/resource.h>
44 #include <sys/proc.h>
45
46 #include <err.h>
47 #include <errno.h>
48 #include <stddef.h>
49 #include <stdio.h>
50 #include <stdlib.h>
51 #include <string.h>
52
53 #include "ps.h"
54
55 #include <sys/ucred.h>
56 #include <sys/sysctl.h>
57
58 static VAR *findvar(char *);
59 static int vcmp(const void *, const void *);
60
61 #ifdef NOTINUSE
62 int utime(), stime(), ixrss(), idrss(), isrss();
63 {{"utime"}, "UTIME", USER, utime, 4},
64 {{"stime"}, "STIME", USER, stime, 4},
65 {{"ixrss"}, "IXRSS", USER, ixrss, 4},
66 {{"idrss"}, "IDRSS", USER, idrss, 4},
67 {{"isrss"}, "ISRSS", USER, isrss, 4},
68 #endif
69
70 /* Compute offset in common structures. */
71 #define POFF(x) offsetof(struct kinfo_proc2, x)
72
73 #define UIDFMT "u"
74 #define UIDLEN 5
75 #define UID(n1, n2, fn, off) \
76 { n1, n2, NULL, 0, fn, UIDLEN, 0, off, UINT32, UIDFMT }
77 #define GID(n1, n2, fn, off) UID(n1, n2, fn, off)
78
79 #define PIDFMT "d"
80 #define PIDLEN 5
81 #define PID(n1, n2, fn, off) \
82 { n1, n2, NULL, 0, fn, PIDLEN, 0, off, INT32, PIDFMT }
83
84 #define USERLEN 8
85
86 /* Bit types must match their respective entries in struct kinfo_proc2 */
87 VAR var[] = {
88 {"%cpu", "%CPU", NULL, 0, pcpu, 4},
89 {"%mem", "%MEM", NULL, 0, pmem, 4},
90 {"acflag", "ACFLG", NULL, 0, pvar, 3, 0, POFF(p_acflag), UINT16, "x"},
91 {"acflg", "", "acflag"},
92 {"args", "", "command"},
93 {"blocked", "", "sigmask"},
94 {"caught", "", "sigcatch"},
95 {"comm", "", "ucomm"},
96 {"command", "COMMAND", NULL, COMM|LJUST|USER, command, 16},
97 {"cpu", "CPU", NULL, 0, pvar, 3, 0, POFF(p_estcpu), UINT32, "d"},
98 #if 0
99 {"cpuid", "CPUID", NULL, 0, pvar, 8, 0, POFF(p_cpuid), UINT64, "lld"},
100 #endif
101 {"cputime", "", "time"},
102 {"dsiz", "DSIZ", NULL, 0, dsize, 4},
103 {"emul", "EMUL", NULL, LJUST, emulname, EMULNAMELEN},
104 {"etime", "", "start"},
105 {"f", "F", NULL, 0, pvar, 7, 0, POFF(p_flag), INT32, "x"},
106 {"flags", "", "f"},
107 GID("gid", "GID", pvar, POFF(p_gid)),
108 {"group", "GROUP", NULL, LJUST, gname, USERLEN},
109 {"holdcnt", "HOLDCNT", NULL, 0, pvar, 8, 0, POFF(p_holdcnt), INT32, "d"},
110 {"ignored", "", "sigignore"},
111 {"inblk", "INBLK", NULL, USER, pvar, 4, 0, POFF(p_uru_inblock), UINT64, "lld"},
112 {"inblock", "", "inblk"},
113 {"jobc", "JOBC", NULL, 0, pvar, 4, 0, POFF(p_jobc), INT16, "d"},
114 {"ktrace", "KTRACE", NULL, 0, pvar, 8, 0, POFF(p_traceflag), INT32, "x"},
115 /* XXX */
116 {"ktracep", "KTRACEP", NULL, 0, pvar, 8, 0, POFF(p_tracep), UINT64, "llx"},
117 {"lim", "LIM", NULL, 0, maxrss, 5},
118 {"login", "LOGIN", NULL, LJUST, logname, MAXLOGNAME},
119 {"logname", "", "login"},
120 {"lstart", "STARTED", NULL, LJUST|USER, lstarted, 28},
121 {"majflt", "MAJFLT", NULL, USER, pvar, 4, 0, POFF(p_uru_majflt), UINT64, "lld"},
122 {"minflt", "MINFLT", NULL, USER, pvar, 4, 0, POFF(p_uru_minflt), UINT64, "lld"},
123 {"msgrcv", "MSGRCV", NULL, USER, pvar, 4, 0, POFF(p_uru_msgrcv), UINT64, "lld"},
124 {"msgsnd", "MSGSND", NULL, USER, pvar, 4, 0, POFF(p_uru_msgsnd), UINT64, "lld"},
125 {"ni", "", "nice"},
126 {"nice", "NI", NULL, 0, pvar, 2, 0, POFF(p_nice), UINT8, "d"},
127 {"nivcsw", "NIVCSW", NULL, USER, pvar, 5, 0, POFF(p_uru_nivcsw), UINT64, "lld"},
128 {"nsignals", "", "nsigs"},
129 {"nsigs", "NSIGS", NULL, USER, pvar, 4, 0, POFF(p_uru_nsignals), UINT64, "lld"},
130 {"nswap", "NSWAP", NULL, USER, pvar, 4, 0, POFF(p_uru_nswap), UINT64, "lld"},
131 {"nvcsw", "NVCSW", NULL, USER, pvar, 5, 0, POFF(p_uru_nvcsw), UINT64, "lld"},
132 /* XXX */
133 {"nwchan", "WCHAN", NULL, 0, pvar, 6, 0, POFF(p_wchan), UINT64, "llx"},
134 {"oublk", "OUBLK", NULL, USER, pvar, 4, 0, POFF(p_uru_oublock), UINT64, "lld"},
135 {"oublock", "", "oublk"},
136 /* XXX */
137 {"p_ru", "P_RU", NULL, 0, pvar, 6, 0, POFF(p_ru), UINT64, "llx"},
138 /* XXX */
139 {"paddr", "PADDR", NULL, 0, pvar, 6, 0, POFF(p_paddr), UINT64, "llx"},
140 {"pagein", "PAGEIN", NULL, USER, pagein, 6},
141 {"pcpu", "", "%cpu"},
142 {"pending", "", "sig"},
143 PID("pgid", "PGID", pvar, POFF(p__pgid)),
144 PID("pid", "PID", pvar, POFF(p_pid)),
145 {"pmem", "", "%mem"},
146 PID("ppid", "PPID", pvar, POFF(p_ppid)),
147 {"pri", "PRI", NULL, 0, pri, 3},
148 {"re", "RE", NULL, INF127, pvar, 3, 0, POFF(p_swtime), UINT32, "u"},
149 GID("rgid", "RGID", pvar, POFF(p_rgid)),
150 /* XXX */
151 {"rgroup", "RGROUP", NULL, LJUST, rgname, USERLEN},
152 {"rlink", "RLINK", NULL, 0, pvar, 8, 0, POFF(p_back), UINT64, "llx"},
153 {"rss", "RSS", NULL, 0, p_rssize, 5},
154 {"rssize", "", "rsz"},
155 {"rsz", "RSZ", NULL, 0, rssize, 4},
156 UID("ruid", "RUID", pvar, POFF(p_ruid)),
157 {"ruser", "RUSER", NULL, LJUST, runame, USERLEN},
158 {"sess", "SESS", NULL, 0, pvar, 6, 0, POFF(p_sess), UINT64, "llx"},
159 {"sig", "PENDING", NULL, 0, pvar, 8, 0, POFF(p_siglist), INT32, "x"},
160 {"sigcatch", "CAUGHT", NULL, 0, pvar, 8, 0, POFF(p_sigcatch), UINT32, "x"},
161 {"sigignore", "IGNORED",
162 NULL, 0, pvar, 8, 0, POFF(p_sigignore), UINT32, "x"},
163 {"sigmask", "BLOCKED", NULL, 0, pvar, 8, 0, POFF(p_sigmask), UINT32, "x"},
164 {"sl", "SL", NULL, INF127, pvar, 3, 0, POFF(p_slptime), UINT32, "u"},
165 {"ssiz", "SSIZ", NULL, 0, ssize, 4},
166 {"start", "STARTED", NULL, LJUST|USER, started, 8},
167 {"stat", "", "state"},
168 {"state", "STAT", NULL, 0, state, 5},
169 GID("svgid", "SVGID", pvar, POFF(p_svgid)),
170 UID("svuid", "SVUID", pvar, POFF(p_svuid)),
171 {"tdev", "TDEV", NULL, 0, tdev, 4},
172 {"time", "TIME", NULL, USER, cputime, 9},
173 PID("tpgid", "TPGID", pvar, POFF(p_tpgid)),
174 {"tsess", "TSESS", NULL, 0, pvar, 6, 0, POFF(p_tsess), UINT64, "llx"},
175 {"tsiz", "TSIZ", NULL, 0, tsize, 4},
176 {"tt", "TT", NULL, LJUST, tname, 3},
177 {"tty", "TTY", NULL, LJUST, longtname, 8},
178 {"ucomm", "UCOMM", NULL, LJUST, ucomm, MAXCOMLEN},
179 UID("uid", "UID", pvar, POFF(p_uid)),
180 {"upr", "UPR", NULL, 0, pvar, 3, 0, POFF(p_usrpri), UINT8, "d"},
181 {"user", "USER", NULL, LJUST, euname, USERLEN},
182 {"usrpri", "", "upr"},
183 {"vsize", "", "vsz"},
184 {"vsz", "VSZ", NULL, 0, vsize, 5},
185 {"wchan", "WCHAN", NULL, LJUST, wchan, 6},
186 {"xstat", "XSTAT", NULL, 0, pvar, 4, 0, POFF(p_xstat), UINT16, "x"},
187 {""},
188 };
189
190 void
showkey(void)191 showkey(void)
192 {
193 VAR *v;
194 int i;
195 char *p, *sep;
196
197 i = 0;
198 sep = "";
199 for (v = var; *(p = v->name); ++v) {
200 int len = strlen(p);
201 if (termwidth && (i += len + 1) > termwidth) {
202 i = len;
203 sep = "\n";
204 }
205 (void) printf("%s%s", sep, p);
206 sep = " ";
207 }
208 (void) printf("\n");
209 }
210
211 void
parsefmt(char * p)212 parsefmt(char *p)
213 {
214 static struct varent *vtail;
215
216 #define FMTSEP " \t,\n"
217 while (p && *p) {
218 char *cp;
219 VAR *v;
220 struct varent *vent;
221
222 while ((cp = strsep(&p, FMTSEP)) != NULL && *cp == '\0')
223 /* void */;
224 if (!cp)
225 break;
226 if (!(v = findvar(cp)) || v->parsed == 1)
227 continue;
228 v->parsed = 1;
229 if ((vent = malloc(sizeof(struct varent))) == NULL)
230 err(1, NULL);
231 vent->var = v;
232 vent->next = NULL;
233 if (vhead == NULL)
234 vhead = vtail = vent;
235 else {
236 vtail->next = vent;
237 vtail = vent;
238 }
239 }
240 if (!vhead)
241 errx(1, "no valid keywords");
242 }
243
244 static VAR *
findvar(char * p)245 findvar(char *p)
246 {
247 VAR *v, key;
248 char *hp;
249 int vcmp(const void *, const void *);
250
251 key.name = p;
252
253 hp = strchr(p, '=');
254 if (hp)
255 *hp++ = '\0';
256
257 key.name = p;
258 v = bsearch(&key, var, sizeof(var)/sizeof(VAR) - 1, sizeof(VAR), vcmp);
259
260 if (v && v->alias) {
261 if (hp) {
262 warnx("%s: illegal keyword specification", p);
263 eval = 1;
264 }
265 parsefmt(v->alias);
266 return (NULL);
267 }
268 if (!v) {
269 warnx("%s: keyword not found", p);
270 eval = 1;
271 return (NULL);
272 }
273 if (hp)
274 v->header = hp;
275 return (v);
276 }
277
278 static int
vcmp(const void * a,const void * b)279 vcmp(const void *a, const void *b)
280 {
281 return (strcmp(((VAR *)a)->name, ((VAR *)b)->name));
282 }
283