1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1990, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 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. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/param.h> 33 #include <sys/time.h> 34 #include <sys/resource.h> 35 #include <sys/proc.h> 36 #include <sys/sysctl.h> 37 #include <sys/user.h> 38 39 #include <err.h> 40 #include <stddef.h> 41 #include <stdio.h> 42 #include <stdlib.h> 43 #include <string.h> 44 #include <libxo/xo.h> 45 46 #include "ps.h" 47 48 static VAR *findvar(char *, int, char **header); 49 static int vcmp(const void *, const void *); 50 51 /* Compute offset in common structures. */ 52 #define KOFF(x) offsetof(struct kinfo_proc, x) 53 #define ROFF(x) offsetof(struct rusage, x) 54 55 #define LWPFMT "d" 56 #define NLWPFMT "d" 57 #define UIDFMT "u" 58 #define PIDFMT "d" 59 60 /* PLEASE KEEP THE TABLE BELOW SORTED ALPHABETICALLY!!! */ 61 static VAR var[] = { 62 {"%cpu", "%CPU", NULL, "percent-cpu", 0, pcpu, 0, CHAR, NULL, 0}, 63 {"%mem", "%MEM", NULL, "percent-memory", 0, pmem, 0, CHAR, NULL, 0}, 64 {"acflag", "ACFLG", NULL, "accounting-flag", 0, kvar, KOFF(ki_acflag), 65 USHORT, "x", 0}, 66 {"acflg", "", "acflag", NULL, 0, NULL, 0, CHAR, NULL, 0}, 67 {"args", "COMMAND", NULL, "arguments", COMM|LJUST|USER, arguments, 0, 68 CHAR, NULL, 0}, 69 {"blocked", "", "sigmask", NULL, 0, NULL, 0, CHAR, NULL, 0}, 70 {"caught", "", "sigcatch", NULL, 0, NULL, 0, CHAR, NULL, 0}, 71 {"class", "CLASS", NULL, "login-class", LJUST, loginclass, 0, CHAR, 72 NULL, 0}, 73 {"comm", "COMMAND", NULL, "command", LJUST, ucomm, 0, CHAR, NULL, 0}, 74 {"command", "COMMAND", NULL, "command", COMM|LJUST|USER, command, 0, 75 CHAR, NULL, 0}, 76 {"cow", "COW", NULL, "copy-on-write-faults", 0, kvar, KOFF(ki_cow), 77 UINT, "u", 0}, 78 {"cpu", "C", NULL, "on-cpu", 0, cpunum, 0, CHAR, NULL, 0}, 79 {"cputime", "", "time", NULL, 0, NULL, 0, CHAR, NULL, 0}, 80 {"dsiz", "DSIZ", NULL, "data-size", 0, kvar, KOFF(ki_dsize), PGTOK, 81 "ld", 0}, 82 {"egid", "", "gid", NULL, 0, NULL, 0, CHAR, NULL, 0}, 83 {"egroup", "", "group", NULL, 0, NULL, 0, CHAR, NULL, 0}, 84 {"emul", "EMUL", NULL, "emulation-envirnment", LJUST, emulname, 0, 85 CHAR, NULL, 0}, 86 {"etime", "ELAPSED", NULL, "elapsed-time", USER, elapsed, 0, CHAR, 87 NULL, 0}, 88 {"etimes", "ELAPSED", NULL, "elapsed-times", USER, elapseds, 0, CHAR, 89 NULL, 0}, 90 {"euid", "", "uid", NULL, 0, NULL, 0, CHAR, NULL, 0}, 91 {"f", "F", NULL, "flags", 0, kvar, KOFF(ki_flag), LONG, "lx", 0}, 92 {"f2", "F2", NULL, "flags2", 0, kvar, KOFF(ki_flag2), INT, "08x", 0}, 93 {"fib", "FIB", NULL, "fib", 0, kvar, KOFF(ki_fibnum), INT, "d", 0}, 94 {"flags", "", "f", NULL, 0, NULL, 0, CHAR, NULL, 0}, 95 {"flags2", "", "f2", NULL, 0, NULL, 0, CHAR, NULL, 0}, 96 {"gid", "GID", NULL, "gid", 0, kvar, KOFF(ki_groups), UINT, UIDFMT, 0}, 97 {"group", "GROUP", NULL, "group", LJUST, egroupname, 0, CHAR, NULL, 0}, 98 {"ignored", "", "sigignore", NULL, 0, NULL, 0, CHAR, NULL, 0}, 99 {"inblk", "INBLK", NULL, "read-blocks", USER, rvar, ROFF(ru_inblock), 100 LONG, "ld", 0}, 101 {"inblock", "", "inblk", NULL, 0, NULL, 0, CHAR, NULL, 0}, 102 {"jail", "JAIL", NULL, "jail-name", LJUST, jailname, 0, CHAR, NULL, 0}, 103 {"jid", "JID", NULL, "jail-id", 0, kvar, KOFF(ki_jid), INT, "d", 0}, 104 {"jobc", "JOBC", NULL, "job-control-count", 0, kvar, KOFF(ki_jobc), 105 SHORT, "d", 0}, 106 {"ktrace", "KTRACE", NULL, "ktrace", 0, kvar, KOFF(ki_traceflag), INT, 107 "x", 0}, 108 {"label", "LABEL", NULL, "label", LJUST, label, 0, CHAR, NULL, 0}, 109 {"lim", "LIM", NULL, "memory-limit", 0, maxrss, 0, CHAR, NULL, 0}, 110 {"lockname", "LOCK", NULL, "lock-name", LJUST, lockname, 0, CHAR, NULL, 111 0}, 112 {"login", "LOGIN", NULL, "login-name", LJUST, logname, 0, CHAR, NULL, 113 0}, 114 {"logname", "", "login", NULL, 0, NULL, 0, CHAR, NULL, 0}, 115 {"lstart", "STARTED", NULL, "start-time", LJUST|USER, lstarted, 0, 116 CHAR, NULL, 0}, 117 {"lwp", "LWP", NULL, "thread-id", 0, kvar, KOFF(ki_tid), UINT, 118 LWPFMT, 0}, 119 {"majflt", "MAJFLT", NULL, "major-faults", USER, rvar, ROFF(ru_majflt), 120 LONG, "ld", 0}, 121 {"minflt", "MINFLT", NULL, "minor-faults", USER, rvar, ROFF(ru_minflt), 122 LONG, "ld", 0}, 123 {"msgrcv", "MSGRCV", NULL, "received-messages", USER, rvar, 124 ROFF(ru_msgrcv), LONG, "ld", 0}, 125 {"msgsnd", "MSGSND", NULL, "sent-messages", USER, rvar, 126 ROFF(ru_msgsnd), LONG, "ld", 0}, 127 {"mwchan", "MWCHAN", NULL, "wait-channel", LJUST, mwchan, 0, CHAR, 128 NULL, 0}, 129 {"ni", "", "nice", NULL, 0, NULL, 0, CHAR, NULL, 0}, 130 {"nice", "NI", NULL, "nice", 0, kvar, KOFF(ki_nice), CHAR, "d", 0}, 131 {"nivcsw", "NIVCSW", NULL, "involuntary-context-switches", USER, rvar, 132 ROFF(ru_nivcsw), LONG, "ld", 0}, 133 {"nlwp", "NLWP", NULL, "threads", 0, kvar, KOFF(ki_numthreads), UINT, 134 NLWPFMT, 0}, 135 {"nsignals", "", "nsigs", NULL, 0, NULL, 0, CHAR, NULL, 0}, 136 {"nsigs", "NSIGS", NULL, "signals-taken", USER, rvar, 137 ROFF(ru_nsignals), LONG, "ld", 0}, 138 {"nswap", "NSWAP", NULL, "swaps", USER, rvar, ROFF(ru_nswap), LONG, 139 "ld", 0}, 140 {"nvcsw", "NVCSW", NULL, "voluntary-context-switches", USER, rvar, 141 ROFF(ru_nvcsw), LONG, "ld", 0}, 142 {"nwchan", "NWCHAN", NULL, "wait-channel-address", LJUST, nwchan, 0, 143 CHAR, NULL, 0}, 144 {"oublk", "OUBLK", NULL, "written-blocks", USER, rvar, 145 ROFF(ru_oublock), LONG, "ld", 0}, 146 {"oublock", "", "oublk", NULL, 0, NULL, 0, CHAR, NULL, 0}, 147 {"paddr", "PADDR", NULL, "process-address", 0, kvar, KOFF(ki_paddr), 148 KPTR, "lx", 0}, 149 {"pagein", "PAGEIN", NULL, "pageins", USER, pagein, 0, CHAR, NULL, 0}, 150 {"pcpu", "", "%cpu", NULL, 0, NULL, 0, CHAR, NULL, 0}, 151 {"pending", "", "sig", NULL, 0, NULL, 0, CHAR, NULL, 0}, 152 {"pgid", "PGID", NULL, "process-group", 0, kvar, KOFF(ki_pgid), UINT, 153 PIDFMT, 0}, 154 {"pid", "PID", NULL, "pid", 0, kvar, KOFF(ki_pid), UINT, PIDFMT, 0}, 155 {"pmem", "", "%mem", NULL, 0, NULL, 0, CHAR, NULL, 0}, 156 {"ppid", "PPID", NULL, "ppid", 0, kvar, KOFF(ki_ppid), UINT, PIDFMT, 0}, 157 {"pri", "PRI", NULL, "priority", 0, pri, 0, CHAR, NULL, 0}, 158 {"re", "RE", NULL, "residency-time", INF127, kvar, KOFF(ki_swtime), 159 UINT, "d", 0}, 160 {"rgid", "RGID", NULL, "real-gid", 0, kvar, KOFF(ki_rgid), UINT, 161 UIDFMT, 0}, 162 {"rgroup", "RGROUP", NULL, "real-group", LJUST, rgroupname, 0, CHAR, 163 NULL, 0}, 164 {"rss", "RSS", NULL, "rss", 0, kvar, KOFF(ki_rssize), PGTOK, "ld", 0}, 165 {"rtprio", "RTPRIO", NULL, "realtime-priority", 0, priorityr, 166 KOFF(ki_pri), CHAR, NULL, 0}, 167 {"ruid", "RUID", NULL, "real-uid", 0, kvar, KOFF(ki_ruid), UINT, 168 UIDFMT, 0}, 169 {"ruser", "RUSER", NULL, "real-user", LJUST, runame, 0, CHAR, NULL, 0}, 170 {"sid", "SID", NULL, "sid", 0, kvar, KOFF(ki_sid), UINT, PIDFMT, 0}, 171 {"sig", "PENDING", NULL, "signals-pending", 0, kvar, KOFF(ki_siglist), 172 INT, "x", 0}, 173 {"sigcatch", "CAUGHT", NULL, "signals-caught", 0, kvar, 174 KOFF(ki_sigcatch), UINT, "x", 0}, 175 {"sigignore", "IGNORED", NULL, "signals-ignored", 0, kvar, 176 KOFF(ki_sigignore), UINT, "x", 0}, 177 {"sigmask", "BLOCKED", NULL, "signal-mask", 0, kvar, KOFF(ki_sigmask), 178 UINT, "x", 0}, 179 {"sl", "SL", NULL, "sleep-time", INF127, kvar, KOFF(ki_slptime), UINT, 180 "d", 0}, 181 {"ssiz", "SSIZ", NULL, "stack-size", 0, kvar, KOFF(ki_ssize), PGTOK, 182 "ld", 0}, 183 {"start", "STARTED", NULL, "start-time", LJUST|USER, started, 0, CHAR, 184 NULL, 0}, 185 {"stat", "", "state", NULL, 0, NULL, 0, CHAR, NULL, 0}, 186 {"state", "STAT", NULL, "state", LJUST, state, 0, CHAR, NULL, 0}, 187 {"svgid", "SVGID", NULL, "saved-gid", 0, kvar, KOFF(ki_svgid), UINT, 188 UIDFMT, 0}, 189 {"svuid", "SVUID", NULL, "saved-uid", 0, kvar, KOFF(ki_svuid), UINT, 190 UIDFMT, 0}, 191 {"systime", "SYSTIME", NULL, "system-time", USER, systime, 0, CHAR, 192 NULL, 0}, 193 {"tdaddr", "TDADDR", NULL, "thread-address", 0, kvar, KOFF(ki_tdaddr), 194 KPTR, "lx", 0}, 195 {"tdev", "TDEV", NULL, "terminal-device", 0, tdev, 0, CHAR, NULL, 0}, 196 {"tdnam", "", "tdname", NULL, 0, NULL, 0, CHAR, NULL, 0}, 197 {"tdname", "TDNAME", NULL, "thread-name", LJUST, tdnam, 0, CHAR, 198 NULL, 0}, 199 {"tid", "", "lwp", NULL, 0, NULL, 0, CHAR, NULL, 0}, 200 {"time", "TIME", NULL, "cpu-time", USER, cputime, 0, CHAR, NULL, 0}, 201 {"tpgid", "TPGID", NULL, "terminal-process-gid", 0, kvar, 202 KOFF(ki_tpgid), UINT, PIDFMT, 0}, 203 {"tracer", "TRACER", NULL, "tracer", 0, kvar, KOFF(ki_tracer), UINT, 204 PIDFMT, 0}, 205 {"tsid", "TSID", NULL, "terminal-sid", 0, kvar, KOFF(ki_tsid), UINT, 206 PIDFMT, 0}, 207 {"tsiz", "TSIZ", NULL, "text-size", 0, kvar, KOFF(ki_tsize), PGTOK, 208 "ld", 0}, 209 {"tt", "TT ", NULL, "terminal-name", 0, tname, 0, CHAR, NULL, 0}, 210 {"tty", "TTY", NULL, "tty", LJUST, longtname, 0, CHAR, NULL, 0}, 211 {"ucomm", "UCOMM", NULL, "accounting-name", LJUST, ucomm, 0, CHAR, 212 NULL, 0}, 213 {"uid", "UID", NULL, "uid", 0, kvar, KOFF(ki_uid), UINT, UIDFMT, 0}, 214 {"upr", "UPR", NULL, "user-priority", 0, upr, 0, CHAR, NULL, 0}, 215 {"uprocp", "UPROCP", NULL, "process-address", 0, kvar, KOFF(ki_paddr), 216 KPTR, "lx", 0}, 217 {"user", "USER", NULL, "user", LJUST, username, 0, CHAR, NULL, 0}, 218 {"usertime", "USERTIME", NULL, "user-time", USER, usertime, 0, CHAR, 219 NULL, 0}, 220 {"usrpri", "", "upr", NULL, 0, NULL, 0, CHAR, NULL, 0}, 221 {"vmaddr", "VMADDR", NULL, "vmspace-address", 0, kvar, KOFF(ki_vmspace), 222 KPTR, "lx", 0}, 223 {"vsize", "", "vsz", NULL, 0, NULL, 0, CHAR, NULL, 0}, 224 {"vsz", "VSZ", NULL, "virtual-size", 0, vsize, 0, CHAR, NULL, 0}, 225 {"wchan", "WCHAN", NULL, "wait-channel", LJUST, wchan, 0, CHAR, NULL, 226 0}, 227 {"xstat", "XSTAT", NULL, "exit-status", 0, kvar, KOFF(ki_xstat), 228 USHORT, "x", 0}, 229 {"", NULL, NULL, NULL, 0, NULL, 0, CHAR, NULL, 0}, 230 }; 231 232 void 233 showkey(void) 234 { 235 VAR *v; 236 int i; 237 const char *p, *sep; 238 239 i = 0; 240 sep = ""; 241 xo_open_list("key"); 242 for (v = var; *(p = v->name); ++v) { 243 int len = strlen(p); 244 if (termwidth && (i += len + 1) > termwidth) { 245 i = len; 246 sep = "\n"; 247 } 248 xo_emit("{P:/%hs}{l:key/%hs}", sep, p); 249 sep = " "; 250 } 251 xo_emit("\n"); 252 xo_close_list("key"); 253 xo_finish(); 254 } 255 256 void 257 parsefmt(const char *p, int user) 258 { 259 char *tempstr, *tempstr1; 260 261 #define FMTSEP " \t,\n" 262 tempstr1 = tempstr = strdup(p); 263 while (tempstr && *tempstr) { 264 char *cp, *hp; 265 VAR *v; 266 struct varent *vent; 267 268 /* 269 * If an item contains an equals sign, it specifies a column 270 * header, may contain embedded separator characters and 271 * is always the last item. 272 */ 273 if (tempstr[strcspn(tempstr, "="FMTSEP)] != '=') 274 while ((cp = strsep(&tempstr, FMTSEP)) != NULL && 275 *cp == '\0') 276 /* void */; 277 else { 278 cp = tempstr; 279 tempstr = NULL; 280 } 281 if (cp == NULL || !(v = findvar(cp, user, &hp))) 282 continue; 283 if (!user) { 284 /* 285 * If the user is NOT adding this field manually, 286 * get on with our lives if this VAR is already 287 * represented in the list. 288 */ 289 vent = find_varentry(v); 290 if (vent != NULL) 291 continue; 292 } 293 if ((vent = malloc(sizeof(struct varent))) == NULL) 294 errx(1, "malloc failed"); 295 vent->header = v->header; 296 if (hp) { 297 hp = strdup(hp); 298 if (hp) 299 vent->header = hp; 300 } 301 vent->var = malloc(sizeof(*vent->var)); 302 if (vent->var == NULL) 303 errx(1, "malloc failed"); 304 memcpy(vent->var, v, sizeof(*vent->var)); 305 STAILQ_INSERT_TAIL(&varlist, vent, next_ve); 306 } 307 free(tempstr1); 308 if (STAILQ_EMPTY(&varlist)) { 309 warnx("no valid keywords; valid keywords:"); 310 showkey(); 311 exit(1); 312 } 313 } 314 315 static VAR * 316 findvar(char *p, int user, char **header) 317 { 318 size_t rflen; 319 VAR *v, key; 320 char *hp, *realfmt; 321 322 hp = strchr(p, '='); 323 if (hp) 324 *hp++ = '\0'; 325 326 key.name = p; 327 v = bsearch(&key, var, sizeof(var)/sizeof(VAR) - 1, sizeof(VAR), vcmp); 328 329 if (v && v->alias) { 330 /* 331 * If the user specified an alternate-header for this 332 * (aliased) format-name, then we need to copy that 333 * alternate-header when making the recursive call to 334 * process the alias. 335 */ 336 if (hp == NULL) 337 parsefmt(v->alias, user); 338 else { 339 /* 340 * XXX - This processing will not be correct for 341 * any alias which expands into a list of format 342 * keywords. Presently there are no aliases 343 * which do that. 344 */ 345 rflen = strlen(v->alias) + strlen(hp) + 2; 346 realfmt = malloc(rflen); 347 if (realfmt == NULL) 348 errx(1, "malloc failed"); 349 snprintf(realfmt, rflen, "%s=%s", v->alias, hp); 350 parsefmt(realfmt, user); 351 free(realfmt); 352 } 353 return ((VAR *)NULL); 354 } 355 if (!v) { 356 warnx("%s: keyword not found", p); 357 eval = 1; 358 } 359 if (header) 360 *header = hp; 361 return (v); 362 } 363 364 static int 365 vcmp(const void *a, const void *b) 366 { 367 return (strcmp(((const VAR *)a)->name, ((const VAR *)b)->name)); 368 } 369