1 /* $NetBSD: keyword.c,v 1.60 2021/09/15 13:16:57 christos Exp $ */ 2 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/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "@(#)keyword.c 8.5 (Berkeley) 4/2/94"; 36 #else 37 __RCSID("$NetBSD: keyword.c,v 1.60 2021/09/15 13:16:57 christos Exp $"); 38 #endif 39 #endif /* not lint */ 40 41 #include <sys/param.h> 42 #include <sys/time.h> 43 #include <sys/lwp.h> 44 #include <sys/proc.h> 45 #include <sys/resource.h> 46 #include <sys/sysctl.h> 47 #include <sys/ucred.h> 48 49 #include <err.h> 50 #include <errno.h> 51 #include <kvm.h> 52 #include <ctype.h> 53 #include <stddef.h> 54 #include <stdio.h> 55 #include <stdlib.h> 56 #include <string.h> 57 #include <signal.h> 58 #include <util.h> 59 60 #include "ps.h" 61 62 static VAR *findvar(const char *); 63 static int vcmp(const void *, const void *); 64 65 /* Compute offset in common structures. */ 66 #define POFF(x) offsetof(struct kinfo_proc2, x) 67 #define LOFF(x) offsetof(struct kinfo_lwp, x) 68 69 #define UIDFMT "u" 70 #define UID(n1, n2, of) \ 71 { .name = n1, .header = n2, .flag = 0, .oproc = pvar, \ 72 .off = POFF(of), .type = UINT32, .fmt = UIDFMT } 73 #define GID(n1, n2, off) UID(n1, n2, off) 74 75 #define PIDFMT "d" 76 #define PID(n1, n2, of) \ 77 { .name = n1, .header = n2, .flag = 0, .oproc = pvar, \ 78 .off = POFF(of), .type = INT32, .fmt = PIDFMT } 79 80 #define LVAR(n1, n2, fl, of, ty, fm) \ 81 { .name = n1, .header = n2, .flag = (fl) | LWP, .oproc = pvar, \ 82 .off = LOFF(of), .type = ty, .fmt = fm } 83 #define PVAR(n1, n2, fl, of, ty, fm) \ 84 { .name = n1, .header = n2, .flag = (fl) | 0, .oproc = pvar, \ 85 .off = POFF(of), .type = ty, .fmt = fm } 86 #define PUVAR(n1, n2, fl, of, ty, fm) \ 87 { .name = n1, .header = n2, .flag = (fl) | UAREA, .oproc = pvar, \ 88 .off = POFF(of), .type = ty, .fmt = fm } 89 #define VAR3(n1, n2, fl) \ 90 { .name = n1, .header = n2, .flag = fl } 91 #define VAR4(n1, n2, fl, op) \ 92 { .name = n1, .header = n2, .flag = fl, .oproc = op, } 93 #define VAR6(n1, n2, fl, op, of, ty) \ 94 { .name = n1, .header = n2, .flag = fl, .oproc = op, \ 95 .off = of, .type = ty } 96 97 /* NB: table must be sorted, in vi use: 98 * :/^VAR/,/end_sort/! sort -t\" +1 99 * breaking long lines just makes the sort harder 100 * 101 * We support all the fields required by P1003.1-2004 (SUSv3), with 102 * the correct default headers, except for the "tty" field, where the 103 * standard says the header should be "TT", but we have "TTY". 104 */ 105 VAR var[] = { 106 VAR6("%cpu", "%CPU", 0, pcpu, 0, PCPU), 107 VAR6("%mem", "%MEM", 0, pmem, POFF(p_vm_rssize), INT32), 108 PVAR("acflag", "ACFLG", 0, p_acflag, PROCACFLAG, "x"), 109 VAR3("acflg", "acflag", ALIAS), 110 VAR3("args", "command", ALIAS), 111 VAR3("blocked", "sigmask", ALIAS), 112 VAR3("caught", "sigcatch", ALIAS), 113 VAR4("comm", "COMMAND", COMM|ARGV0|LJUST, command), 114 VAR4("command", "COMMAND", COMM|LJUST, command), 115 PVAR("cpu", "CPU", 0, p_estcpu, UINT, "u"), 116 VAR4("cpuid", "CPUID", LWP, cpuid), 117 VAR3("cputime", "time", ALIAS), 118 VAR6("ctime", "CTIME", 0, putimeval, POFF(p_uctime_sec), TIMEVAL), 119 GID("egid", "EGID", p_gid), 120 VAR4("egroup", "EGROUP", LJUST, gname), 121 VAR4("emul", "EMUL", LJUST, emul), 122 VAR6("etime", "ELAPSED", 0, elapsed, POFF(p_ustart_sec), TIMEVAL), 123 UID("euid", "EUID", p_uid), 124 VAR4("euser", "EUSER", LJUST, usrname), 125 PVAR("f", "F", 0, p_flag, PROCFLAG, "x"), 126 VAR3("flags", "f", ALIAS), 127 GID("gid", "GID", p_gid), 128 VAR4("group", "GROUP", LJUST, gname), 129 VAR4("groupnames", "GROUPNAMES", LJUST, groupnames), 130 VAR4("groups", "GROUPS", LJUST, groups), 131 /* holdcnt: unused, left for compat. */ 132 LVAR("holdcnt", "HOLDCNT", 0, l_holdcnt, INT, "d"), 133 PUVAR("idrss", "IDRSS", 0, p_uru_idrss, UINT64, PRIu64), 134 VAR3("ignored", "sigignore", ALIAS), 135 PUVAR("inblk", "INBLK", 0, p_uru_inblock, UINT64, PRIu64), 136 VAR3("inblock", "inblk", ALIAS), 137 PUVAR("isrss", "ISRSS", 0, p_uru_isrss, UINT64, PRId64), 138 PUVAR("ixrss", "IXRSS", 0, p_uru_ixrss, UINT64, PRId64), 139 PVAR("jobc", "JOBC", 0, p_jobc, SHORT, "d"), 140 PVAR("ktrace", "KTRACE", 0, p_traceflag, KTRACEFLAG, "x"), 141 /*XXX*/ PVAR("ktracep", "KTRACEP", 0, p_tracep, KPTR, PRIx64), 142 LVAR("laddr", "LADDR", 0, l_laddr, KPTR, PRIx64), 143 LVAR("lid", "LID", 0, l_lid, INT32, "d"), 144 VAR4("lim", "LIM", 0, maxrss), 145 VAR4("lname", "LNAME", LJUST|LWP, lname), 146 VAR4("login", "LOGIN", LJUST, logname), 147 VAR3("logname", "login", ALIAS), 148 VAR6("lstart", "STARTED", LJUST, lstarted, POFF(p_ustart_sec), UINT32), 149 VAR4("lstate", "STAT", LJUST|LWP, lstate), 150 VAR6("ltime", "LTIME", LWP, lcputime, 0, CPUTIME), 151 PUVAR("majflt", "MAJFLT", 0, p_uru_majflt, UINT64, PRIu64), 152 PUVAR("maxrss", "MAXRSS", 0, p_uru_maxrss, UINT64, PRIu64), 153 PUVAR("minflt", "MINFLT", 0, p_uru_minflt, UINT64, PRIu64), 154 PUVAR("msgrcv", "MSGRCV", 0, p_uru_msgrcv, UINT64, PRIu64), 155 PUVAR("msgsnd", "MSGSND", 0, p_uru_msgsnd, UINT64, PRIu64), 156 VAR3("ni", "nice", ALIAS), 157 VAR6("nice", "NI", 0, pnice, POFF(p_nice), UCHAR), 158 PUVAR("nivcsw", "NIVCSW", 0, p_uru_nivcsw, UINT64, PRIu64), 159 PVAR("nlwp", "NLWP", 0, p_nlwps, UINT64, PRId64), 160 VAR3("nsignals", "nsigs", ALIAS), 161 PUVAR("nsigs", "NSIGS", 0, p_uru_nsignals, UINT64, PRIu64), 162 /* nswap: unused, left for compat. */ 163 PUVAR("nswap", "NSWAP", 0, p_uru_nswap, UINT64, PRIu64), 164 PUVAR("nvcsw", "NVCSW", 0, p_uru_nvcsw, UINT64, PRIu64), 165 /*XXX*/ LVAR("nwchan", "WCHAN", 0, l_wchan, KPTR, PRIx64), 166 PUVAR("oublk", "OUBLK", 0, p_uru_oublock, UINT64, PRIu64), 167 VAR3("oublock", "oublk", ALIAS), 168 /*XXX*/ PVAR("p_ru", "P_RU", 0, p_ru, KPTR, PRIx64), 169 /*XXX*/ PVAR("paddr", "PADDR", 0, p_paddr, KPTR, PRIx64), 170 PUVAR("pagein", "PAGEIN", 0, p_uru_majflt, UINT64, PRIu64), 171 VAR3("pcpu", "%cpu", ALIAS), 172 VAR3("pending", "sig", ALIAS), 173 PID("pgid", "PGID", p__pgid), 174 PID("pid", "PID", p_pid), 175 VAR3("pmem", "%mem", ALIAS), 176 PID("ppid", "PPID", p_ppid), 177 VAR4("pri", "PRI", LWP, pri), 178 LVAR("re", "RE", INF127, l_swtime, UINT, "u"), 179 GID("rgid", "RGID", p_rgid), 180 VAR4("rgroup", "RGROUP", LJUST, rgname), 181 /*XXX*/ LVAR("rlink", "RLINK", 0, l_back, KPTR, PRIx64), 182 PVAR("rlwp", "RLWP", 0, p_nrlwps, UINT64, PRId64), 183 VAR6("rss", "RSS", 0, p_rssize, POFF(p_vm_rssize), INT32), 184 VAR3("rssize", "rsz", ALIAS), 185 VAR6("rsz", "RSZ", 0, rssize, POFF(p_vm_rssize), INT32), 186 UID("ruid", "RUID", p_ruid), 187 VAR4("ruser", "RUSER", LJUST, runame), 188 PVAR("sess", "SESS", 0, p_sess, KPTR24, PRIx64), 189 PID("sid", "SID", p_sid), 190 PVAR("sig", "PENDING", 0, p_siglist, SIGLIST, "s"), 191 PVAR("sigcatch", "CAUGHT", 0, p_sigcatch, SIGLIST, "s"), 192 PVAR("sigignore", "IGNORED", 0, p_sigignore, SIGLIST, "s"), 193 PVAR("sigmask", "BLOCKED", 0, p_sigmask, SIGLIST, "s"), 194 LVAR("sl", "SL", INF127, l_slptime, UINT, "u"), 195 VAR6("start", "STARTED", 0, started, POFF(p_ustart_sec), UINT32), 196 VAR3("stat", "state", ALIAS), 197 VAR4("state", "STAT", LJUST, state), 198 VAR6("stime", "STIME", 0, putimeval, POFF(p_ustime_sec), TIMEVAL), 199 GID("svgid", "SVGID", p_svgid), 200 VAR4("svgroup", "SVGROUP", LJUST, svgname), 201 UID("svuid", "SVUID", p_svuid), 202 VAR4("svuser", "SVUSER", LJUST, svuname), 203 /* "tdev" is UINT32, but we do this for sorting purposes */ 204 VAR6("tdev", "TDEV", 0, tdev, POFF(p_tdev), INT32), 205 VAR6("time", "TIME", 0, cputime, 0, CPUTIME), 206 PID("tpgid", "TPGID", p_tpgid), 207 PVAR("tsess", "TSESS", 0, p_tsess, KPTR, PRIx64), 208 VAR6("tsiz", "TSIZ", 0, tsize, POFF(p_vm_tsize), INT32), 209 VAR6("tt", "TTY", LJUST, tname, POFF(p_tdev), INT32), 210 VAR6("tty", "TTY", LJUST, longtname, POFF(p_tdev), INT32), 211 LVAR("uaddr", "UADDR", 0, l_addr, KPTR, PRIx64), 212 VAR4("ucomm", "UCOMM", LJUST, ucomm), 213 UID("uid", "UID", p_uid), 214 LVAR("upr", "UPR", 0, l_usrpri, UCHAR, "u"), 215 VAR4("user", "USER", LJUST, usrname), 216 VAR3("usrpri", "upr", ALIAS), 217 VAR6("utime", "UTIME", 0, putimeval, POFF(p_uutime_sec), TIMEVAL), 218 VAR3("vsize", "vsz", ALIAS), 219 VAR6("vsz", "VSZ", 0, vsize, 0, VSIZE), 220 VAR4("wchan", "WCHAN", LJUST|LWP, wchan), 221 PVAR("xstat", "XSTAT", 0, p_xstat, USHORT, "x"), 222 /* "zzzz" end_sort */ 223 { .name = "" }, 224 }; 225 226 void 227 showkey(void) 228 { 229 VAR *v; 230 int i; 231 const char *p; 232 const char *sep; 233 234 i = 0; 235 sep = ""; 236 for (v = var; *(p = v->name); ++v) { 237 int len = strlen(p); 238 if (termwidth && (i += len + 1) > termwidth) { 239 i = len; 240 sep = "\n"; 241 } 242 (void)printf("%s%s", sep, p); 243 sep = " "; 244 } 245 (void)printf("\n"); 246 } 247 248 /* 249 * Parse the string pp, and insert or append entries to the list 250 * referenced by listptr. If pos in non-null and *pos is non-null, then 251 * *pos specifies where to insert (instead of appending). If pos is 252 * non-null, then a new value is returned through *pos referring to the 253 * last item inserted. 254 */ 255 static void 256 parsevarlist(const char *pp, struct varlist *listptr, struct varent **pos) 257 { 258 char *p, *sp, *equalsp; 259 260 /* dup to avoid zapping arguments. We will free sp later. */ 261 p = sp = estrdup(pp); 262 263 /* 264 * Everything after the first '=' is part of a custom header. 265 * Temporarily replace it with '\0' to simplify other code. 266 */ 267 equalsp = strchr(p, '='); 268 if (equalsp) 269 *equalsp = '\0'; 270 271 #define FMTSEP " \t,\n" 272 while (p && *p) { 273 char *cp; 274 VAR *v; 275 struct varent *vent; 276 277 /* 278 * skip separators before the first keyword, and 279 * look for the separator after the keyword. 280 */ 281 for (cp = p; *cp != '\0'; cp++) { 282 p = strpbrk(cp, FMTSEP); 283 if (p != cp) 284 break; 285 } 286 if (*cp == '\0') 287 break; 288 /* 289 * Now cp points to the start of a keyword, 290 * and p is NULL or points past the end of the keyword. 291 * 292 * Terminate the keyword with '\0', or reinstate the 293 * '=' that was removed earlier, if appropriate. 294 */ 295 if (p) { 296 *p = '\0'; 297 p++; 298 } else if (equalsp) { 299 *equalsp = '='; 300 } 301 302 /* 303 * If findvar() likes the keyword or keyword=header, 304 * add it to our list. If findvar() doesn't like it, 305 * it will print a warning, so we ignore it. 306 */ 307 if ((v = findvar(cp)) == NULL) 308 continue; 309 vent = emalloc(sizeof(*vent)); 310 vent->var = v; 311 if (pos && *pos) 312 SIMPLEQ_INSERT_AFTER(listptr, *pos, vent, next); 313 else { 314 SIMPLEQ_INSERT_TAIL(listptr, vent, next); 315 } 316 if (pos) 317 *pos = vent; 318 } 319 free(sp); 320 if (SIMPLEQ_EMPTY(listptr)) 321 errx(EXIT_FAILURE, "no valid keywords"); 322 } 323 324 void 325 parsefmt(const char *p) 326 { 327 328 parsevarlist(p, &displaylist, NULL); 329 } 330 331 void 332 parsefmt_insert(const char *p, struct varent **pos) 333 { 334 335 parsevarlist(p, &displaylist, pos); 336 } 337 338 void 339 parsesort(const char *p) 340 { 341 342 parsevarlist(p, &sortlist, NULL); 343 } 344 345 /* Search through a list for an entry with a specified name. */ 346 struct varent * 347 varlist_find(struct varlist *list, const char *name) 348 { 349 struct varent *vent; 350 351 SIMPLEQ_FOREACH(vent, list, next) { 352 if (strcmp(vent->var->name, name) == 0) 353 break; 354 } 355 return vent; 356 } 357 358 static VAR * 359 findvar(const char *p) 360 { 361 VAR *v; 362 char *hp; 363 char pp[1024]; 364 strlcpy(pp, p, sizeof(pp)); 365 366 hp = strchr(pp, '='); 367 if (hp) 368 *hp++ = '\0'; 369 for (char *dp = pp; *dp; dp++) 370 *dp = tolower((unsigned char)*dp); 371 372 v = bsearch(pp, var, __arraycount(var) - 1, sizeof(*var), vcmp); 373 if (v && v->flag & ALIAS) 374 v = findvar(v->header); 375 if (!v) { 376 warnx("%s: keyword not found", p); 377 eval = 1; 378 return NULL; 379 } 380 381 if (!hp && *p == *pp) 382 return v; 383 384 struct var *newvar = emalloc(sizeof(*newvar)); 385 *newvar = *v; 386 387 if (hp) { 388 /* 389 * Override the header. 390 * 391 * We need to copy the entry first, and override the 392 * header in the copy, because the same field might be 393 * used multiple times with different headers. We also 394 * need to strdup the header. 395 */ 396 newvar->header = estrdup(hp); 397 /* 398 * According to P1003.1-2004, if the header text is null, 399 * such as -o user=, the field width will be at least as 400 * wide as the default header text. 401 */ 402 if (*hp == '\0') 403 newvar->width = strlen(v->header); 404 } 405 406 if (*p != *pp) 407 newvar->flag |= ALTPR|LJUST; 408 409 return newvar; 410 } 411 412 static int 413 vcmp(const void *a, const void *b) 414 { 415 return strcmp(a, ((const VAR *)b)->name); 416 } 417
Indexes created Sun Sep 21 16:09:51 GMT 2025