2 * Copyright (c) 1990, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Cimarron D. Taylor of the University of California, Berkeley.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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 * 4. 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.
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
35 static const char sccsid[] = "@(#)function.c 8.10 (Berkeley) 5/4/95";
39 #include <sys/cdefs.h>
40 __FBSDID("$FreeBSD$");
42 #include <sys/param.h>
43 #include <sys/ucred.h>
45 #include <sys/types.h>
48 #include <sys/mount.h>
67 static PLAN *palloc(OPTION *);
68 static long long find_parsenum(PLAN *, const char *, char *, char *);
69 static long long find_parsetime(PLAN *, const char *, char *);
70 static char *nextarg(OPTION *, char ***);
72 extern char **environ;
74 static PLAN *lastexecplus = NULL;
76 #define COMPARE(a, b) do { \
77 switch (plan->flags & F_ELG_MASK) { \
90 palloc(OPTION *option)
94 if ((new = malloc(sizeof(PLAN))) == NULL)
96 new->execute = option->execute;
97 new->flags = option->flags;
104 * Parse a string of the form [+-]# and return the value.
107 find_parsenum(PLAN *plan, const char *option, char *vp, char *endch)
110 char *endchar, *str; /* Pointer to character ending conversion. */
112 /* Determine comparison from leading + or -. */
117 plan->flags |= F_GREATER;
121 plan->flags |= F_LESSTHAN;
124 plan->flags |= F_EQUAL;
129 * Convert the string with strtoq(). Note, if strtoq() returns zero
130 * and endchar points to the beginning of the string we know we have
133 value = strtoq(str, &endchar, 10);
134 if (value == 0 && endchar == str)
135 errx(1, "%s: %s: illegal numeric value", option, vp);
136 if (endchar[0] && endch == NULL)
137 errx(1, "%s: %s: illegal trailing character", option, vp);
145 * Parse a string of the form [+-]([0-9]+[smhdw]?)+ and return the value.
148 find_parsetime(PLAN *plan, const char *option, char *vp)
150 long long secs, value;
151 char *str, *unit; /* Pointer to character ending conversion. */
153 /* Determine comparison from leading + or -. */
158 plan->flags |= F_GREATER;
162 plan->flags |= F_LESSTHAN;
165 plan->flags |= F_EQUAL;
169 value = strtoq(str, &unit, 10);
170 if (value == 0 && unit == str) {
171 errx(1, "%s: %s: illegal time value", option, vp);
181 case 's': /* seconds */
184 case 'm': /* minutes */
187 case 'h': /* hours */
188 secs += value * 3600;
191 secs += value * 86400;
193 case 'w': /* weeks */
194 secs += value * 604800;
197 errx(1, "%s: %s: bad unit '%c'", option, vp, *unit);
201 if (*str == '\0') /* EOS */
203 value = strtoq(str, &unit, 10);
204 if (value == 0 && unit == str) {
205 errx(1, "%s: %s: illegal time value", option, vp);
209 errx(1, "%s: %s: missing trailing unit", option, vp);
213 plan->flags |= F_EXACTTIME;
219 * Check that another argument still exists, return a pointer to it,
220 * and increment the argument vector pointer.
223 nextarg(OPTION *option, char ***argvp)
227 if ((arg = **argvp) == 0)
228 errx(1, "%s: requires additional arguments", option->name);
234 * The value of n for the inode times (atime, birthtime, ctime, mtime) is a
235 * range, i.e. n matches from (n - 1) to n 24 hour periods. This interacts
236 * with -n, such that "-mtime -1" would be less than 0 days, which isn't what
237 * the user wanted. Correct so that -1 is "less than 1".
239 #define TIME_CORRECT(p) \
240 if (((p)->flags & F_ELG_MASK) == F_LESSTHAN) \
241 ++((p)->t_data.tv_sec);
244 * -[acm]min n functions --
246 * True if the difference between the
247 * file access time (-amin)
248 * file birth time (-Bmin)
249 * last change of file status information (-cmin)
250 * file modification time (-mmin)
251 * and the current time is n min periods.
254 f_Xmin(PLAN *plan, FTSENT *entry)
256 if (plan->flags & F_TIME_C) {
257 COMPARE((now - entry->fts_statp->st_ctime +
258 60 - 1) / 60, plan->t_data.tv_sec);
259 } else if (plan->flags & F_TIME_A) {
260 COMPARE((now - entry->fts_statp->st_atime +
261 60 - 1) / 60, plan->t_data.tv_sec);
262 } else if (plan->flags & F_TIME_B) {
263 COMPARE((now - entry->fts_statp->st_birthtime +
264 60 - 1) / 60, plan->t_data.tv_sec);
266 COMPARE((now - entry->fts_statp->st_mtime +
267 60 - 1) / 60, plan->t_data.tv_sec);
272 c_Xmin(OPTION *option, char ***argvp)
277 nmins = nextarg(option, argvp);
278 ftsoptions &= ~FTS_NOSTAT;
280 new = palloc(option);
281 new->t_data.tv_sec = find_parsenum(new, option->name, nmins, NULL);
282 new->t_data.tv_nsec = 0;
288 * -[acm]time n functions --
290 * True if the difference between the
291 * file access time (-atime)
292 * file birth time (-Btime)
293 * last change of file status information (-ctime)
294 * file modification time (-mtime)
295 * and the current time is n 24 hour periods.
299 f_Xtime(PLAN *plan, FTSENT *entry)
303 if (plan->flags & F_TIME_A)
304 xtime = entry->fts_statp->st_atime;
305 else if (plan->flags & F_TIME_B)
306 xtime = entry->fts_statp->st_birthtime;
307 else if (plan->flags & F_TIME_C)
308 xtime = entry->fts_statp->st_ctime;
310 xtime = entry->fts_statp->st_mtime;
312 if (plan->flags & F_EXACTTIME)
313 COMPARE(now - xtime, plan->t_data.tv_sec);
315 COMPARE((now - xtime + 86400 - 1) / 86400, plan->t_data.tv_sec);
319 c_Xtime(OPTION *option, char ***argvp)
324 value = nextarg(option, argvp);
325 ftsoptions &= ~FTS_NOSTAT;
327 new = palloc(option);
328 new->t_data.tv_sec = find_parsetime(new, option->name, value);
329 new->t_data.tv_nsec = 0;
330 if (!(new->flags & F_EXACTTIME))
336 * -maxdepth/-mindepth n functions --
338 * Does the same as -prune if the level of the current file is
339 * greater/less than the specified maximum/minimum depth.
341 * Note that -maxdepth and -mindepth are handled specially in
342 * find_execute() so their f_* functions are set to f_always_true().
345 c_mXXdepth(OPTION *option, char ***argvp)
350 dstr = nextarg(option, argvp);
352 /* all other errors handled by find_parsenum() */
353 errx(1, "%s: %s: value must be positive", option->name, dstr);
355 new = palloc(option);
356 if (option->flags & F_MAXDEPTH)
357 maxdepth = find_parsenum(new, option->name, dstr, NULL);
359 mindepth = find_parsenum(new, option->name, dstr, NULL);
366 * Show files with EXTENDED ACL attributes.
369 f_acl(PLAN *plan __unused, FTSENT *entry)
373 int acl_supported = 0, ret, trivial;
375 if (S_ISLNK(entry->fts_statp->st_mode))
377 ret = pathconf(entry->fts_accpath, _PC_ACL_NFS4);
380 acl_type = ACL_TYPE_NFS4;
381 } else if (ret < 0 && errno != EINVAL) {
382 warn("%s", entry->fts_accpath);
385 if (acl_supported == 0) {
386 ret = pathconf(entry->fts_accpath, _PC_ACL_EXTENDED);
389 acl_type = ACL_TYPE_ACCESS;
390 } else if (ret < 0 && errno != EINVAL) {
391 warn("%s", entry->fts_accpath);
395 if (acl_supported == 0)
398 facl = acl_get_file(entry->fts_accpath, acl_type);
400 warn("%s", entry->fts_accpath);
403 ret = acl_is_trivial_np(facl, &trivial);
406 warn("%s", entry->fts_accpath);
415 c_acl(OPTION *option, char ***argvp __unused)
417 ftsoptions &= ~FTS_NOSTAT;
418 return (palloc(option));
422 * -delete functions --
424 * True always. Makes its best shot and continues on regardless.
427 f_delete(PLAN *plan __unused, FTSENT *entry)
429 /* ignore these from fts */
430 if (strcmp(entry->fts_accpath, ".") == 0 ||
431 strcmp(entry->fts_accpath, "..") == 0)
435 if (isdepth == 0 || /* depth off */
436 (ftsoptions & FTS_NOSTAT)) /* not stat()ing */
437 errx(1, "-delete: insecure options got turned on");
439 if (!(ftsoptions & FTS_PHYSICAL) || /* physical off */
440 (ftsoptions & FTS_LOGICAL)) /* or finally, logical on */
441 errx(1, "-delete: forbidden when symlinks are followed");
443 /* Potentially unsafe - do not accept relative paths whatsoever */
444 if (strchr(entry->fts_accpath, '/') != NULL)
445 errx(1, "-delete: %s: relative path potentially not safe",
448 /* Turn off user immutable bits if running as root */
449 if ((entry->fts_statp->st_flags & (UF_APPEND|UF_IMMUTABLE)) &&
450 !(entry->fts_statp->st_flags & (SF_APPEND|SF_IMMUTABLE)) &&
452 lchflags(entry->fts_accpath,
453 entry->fts_statp->st_flags &= ~(UF_APPEND|UF_IMMUTABLE));
455 /* rmdir directories, unlink everything else */
456 if (S_ISDIR(entry->fts_statp->st_mode)) {
457 if (rmdir(entry->fts_accpath) < 0 && errno != ENOTEMPTY)
458 warn("-delete: rmdir(%s)", entry->fts_path);
460 if (unlink(entry->fts_accpath) < 0)
461 warn("-delete: unlink(%s)", entry->fts_path);
469 c_delete(OPTION *option, char ***argvp __unused)
472 ftsoptions &= ~FTS_NOSTAT; /* no optimise */
473 isoutput = 1; /* possible output */
474 isdepth = 1; /* -depth implied */
476 return palloc(option);
483 * Always true, used for -maxdepth, -mindepth, -xdev, -follow, and -true
486 f_always_true(PLAN *plan __unused, FTSENT *entry __unused)
492 * -depth functions --
494 * With argument: True if the file is at level n.
495 * Without argument: Always true, causes descent of the directory hierarchy
496 * to be done so that all entries in a directory are acted on before the
500 f_depth(PLAN *plan, FTSENT *entry)
502 if (plan->flags & F_DEPTH)
503 COMPARE(entry->fts_level, plan->d_data);
509 c_depth(OPTION *option, char ***argvp)
514 new = palloc(option);
517 if (str && !(new->flags & F_DEPTH)) {
518 /* skip leading + or - */
519 if (*str == '+' || *str == '-')
522 if (*str == '+' || *str == '-')
525 new->flags |= F_DEPTH;
528 if (new->flags & F_DEPTH) { /* -depth n */
531 ndepth = nextarg(option, argvp);
532 new->d_data = find_parsenum(new, option->name, ndepth, NULL);
541 * -empty functions --
543 * True if the file or directory is empty
546 f_empty(PLAN *plan __unused, FTSENT *entry)
548 if (S_ISREG(entry->fts_statp->st_mode) &&
549 entry->fts_statp->st_size == 0)
551 if (S_ISDIR(entry->fts_statp->st_mode)) {
557 dir = opendir(entry->fts_accpath);
560 for (dp = readdir(dir); dp; dp = readdir(dir))
561 if (dp->d_name[0] != '.' ||
562 (dp->d_name[1] != '\0' &&
563 (dp->d_name[1] != '.' || dp->d_name[2] != '\0'))) {
574 c_empty(OPTION *option, char ***argvp __unused)
576 ftsoptions &= ~FTS_NOSTAT;
578 return palloc(option);
582 * [-exec | -execdir | -ok] utility [arg ... ] ; functions --
584 * True if the executed utility returns a zero value as exit status.
585 * The end of the primary expression is delimited by a semicolon. If
586 * "{}" occurs anywhere, it gets replaced by the current pathname,
587 * or, in the case of -execdir, the current basename (filename
588 * without leading directory prefix). For -exec and -ok,
589 * the current directory for the execution of utility is the same as
590 * the current directory when the find utility was started, whereas
591 * for -execdir, it is the directory the file resides in.
593 * The primary -ok differs from -exec in that it requests affirmation
594 * of the user before executing the utility.
597 f_exec(PLAN *plan, FTSENT *entry)
604 if (entry == NULL && plan->flags & F_EXECPLUS) {
605 if (plan->e_ppos == plan->e_pbnum)
607 plan->e_argv[plan->e_ppos] = NULL;
611 /* XXX - if file/dir ends in '/' this will not work -- can it? */
612 if ((plan->flags & F_EXECDIR) && \
613 (file = strrchr(entry->fts_path, '/')))
616 file = entry->fts_path;
618 if (plan->flags & F_EXECPLUS) {
619 if ((plan->e_argv[plan->e_ppos] = strdup(file)) == NULL)
621 plan->e_len[plan->e_ppos] = strlen(file);
622 plan->e_psize += plan->e_len[plan->e_ppos];
623 if (++plan->e_ppos < plan->e_pnummax &&
624 plan->e_psize < plan->e_psizemax)
626 plan->e_argv[plan->e_ppos] = NULL;
628 for (cnt = 0; plan->e_argv[cnt]; ++cnt)
629 if (plan->e_len[cnt])
630 brace_subst(plan->e_orig[cnt],
631 &plan->e_argv[cnt], file,
635 doexec: if ((plan->flags & F_NEEDOK) && !queryuser(plan->e_argv))
638 /* make sure find output is interspersed correctly with subprocesses */
642 switch (pid = fork()) {
647 /* change dir back from where we started */
648 if (!(plan->flags & F_EXECDIR) && fchdir(dotfd)) {
652 execvp(plan->e_argv[0], plan->e_argv);
653 warn("%s", plan->e_argv[0]);
656 if (plan->flags & F_EXECPLUS) {
657 while (--plan->e_ppos >= plan->e_pbnum)
658 free(plan->e_argv[plan->e_ppos]);
659 plan->e_ppos = plan->e_pbnum;
660 plan->e_psize = plan->e_pbsize;
662 pid = waitpid(pid, &status, 0);
663 return (pid != -1 && WIFEXITED(status) && !WEXITSTATUS(status));
667 * c_exec, c_execdir, c_ok --
668 * build three parallel arrays, one with pointers to the strings passed
669 * on the command line, one with (possibly duplicated) pointers to the
670 * argv array, and one with integer values that are lengths of the
671 * strings, but also flags meaning that the string has to be massaged.
674 c_exec(OPTION *option, char ***argvp)
676 PLAN *new; /* node returned */
679 char **argv, **ap, **ep, *p;
681 /* XXX - was in c_execdir, but seems unnecessary!?
682 ftsoptions &= ~FTS_NOSTAT;
686 /* XXX - this is a change from the previous coding */
687 new = palloc(option);
689 for (ap = argv = *argvp;; ++ap) {
692 "%s: no terminating \";\" or \"+\"", option->name);
695 if (**ap == '+' && ap != argv && strcmp(*(ap - 1), "{}") == 0) {
696 new->flags |= F_EXECPLUS;
702 errx(1, "%s: no command specified", option->name);
704 cnt = ap - *argvp + 1;
705 if (new->flags & F_EXECPLUS) {
706 new->e_ppos = new->e_pbnum = cnt - 2;
707 if ((argmax = sysconf(_SC_ARG_MAX)) == -1) {
708 warn("sysconf(_SC_ARG_MAX)");
709 argmax = _POSIX_ARG_MAX;
712 for (ep = environ; *ep != NULL; ep++)
713 argmax -= strlen(*ep) + 1 + sizeof(*ep);
714 argmax -= 1 + sizeof(*ep);
715 new->e_pnummax = argmax / 16;
716 argmax -= sizeof(char *) * new->e_pnummax;
718 errx(1, "no space for arguments");
719 new->e_psizemax = argmax;
721 cnt += new->e_pnummax + 1;
722 new->e_next = lastexecplus;
725 if ((new->e_argv = malloc(cnt * sizeof(char *))) == NULL)
727 if ((new->e_orig = malloc(cnt * sizeof(char *))) == NULL)
729 if ((new->e_len = malloc(cnt * sizeof(int))) == NULL)
732 for (argv = *argvp, cnt = 0; argv < ap; ++argv, ++cnt) {
733 new->e_orig[cnt] = *argv;
734 if (new->flags & F_EXECPLUS)
735 new->e_pbsize += strlen(*argv) + 1;
736 for (p = *argv; *p; ++p)
737 if (!(new->flags & F_EXECPLUS) && p[0] == '{' &&
739 if ((new->e_argv[cnt] =
740 malloc(MAXPATHLEN)) == NULL)
742 new->e_len[cnt] = MAXPATHLEN;
746 new->e_argv[cnt] = *argv;
750 if (new->flags & F_EXECPLUS) {
751 new->e_psize = new->e_pbsize;
753 for (i = 0; i < new->e_pnummax; i++) {
754 new->e_argv[cnt] = NULL;
761 new->e_argv[cnt] = new->e_orig[cnt] = NULL;
763 done: *argvp = argv + 1;
767 /* Finish any pending -exec ... {} + functions. */
769 finish_execplus(void)
775 (p->execute)(p, NULL);
781 f_flags(PLAN *plan, FTSENT *entry)
785 flags = entry->fts_statp->st_flags;
786 if (plan->flags & F_ATLEAST)
787 return (flags | plan->fl_flags) == flags &&
788 !(flags & plan->fl_notflags);
789 else if (plan->flags & F_ANY)
790 return (flags & plan->fl_flags) ||
791 (flags | plan->fl_notflags) != flags;
793 return flags == plan->fl_flags &&
794 !(plan->fl_flags & plan->fl_notflags);
798 c_flags(OPTION *option, char ***argvp)
802 u_long flags, notflags;
804 flags_str = nextarg(option, argvp);
805 ftsoptions &= ~FTS_NOSTAT;
807 new = palloc(option);
809 if (*flags_str == '-') {
810 new->flags |= F_ATLEAST;
812 } else if (*flags_str == '+') {
816 if (strtofflags(&flags_str, &flags, ¬flags) == 1)
817 errx(1, "%s: %s: illegal flags string", option->name, flags_str);
819 new->fl_flags = flags;
820 new->fl_notflags = notflags;
825 * -follow functions --
827 * Always true, causes symbolic links to be followed on a global
831 c_follow(OPTION *option, char ***argvp __unused)
833 ftsoptions &= ~FTS_PHYSICAL;
834 ftsoptions |= FTS_LOGICAL;
836 return palloc(option);
840 * -fstype functions --
842 * True if the file is of a certain type.
845 f_fstype(PLAN *plan, FTSENT *entry)
847 static dev_t curdev; /* need a guaranteed illegal dev value */
848 static int first = 1;
850 static int val_flags;
851 static char fstype[sizeof(sb.f_fstypename)];
852 char *p, save[2] = {0,0};
854 if ((plan->flags & F_MTMASK) == F_MTUNKNOWN)
857 /* Only check when we cross mount point. */
858 if (first || curdev != entry->fts_statp->st_dev) {
859 curdev = entry->fts_statp->st_dev;
862 * Statfs follows symlinks; find wants the link's filesystem,
863 * not where it points.
865 if (entry->fts_info == FTS_SL ||
866 entry->fts_info == FTS_SLNONE) {
867 if ((p = strrchr(entry->fts_accpath, '/')) != NULL)
870 p = entry->fts_accpath;
878 if (statfs(entry->fts_accpath, &sb))
879 err(1, "%s", entry->fts_accpath);
889 * Further tests may need both of these values, so
890 * always copy both of them.
892 val_flags = sb.f_flags;
893 strlcpy(fstype, sb.f_fstypename, sizeof(fstype));
895 switch (plan->flags & F_MTMASK) {
897 return val_flags & plan->mt_data;
899 return (strncmp(fstype, plan->c_data, sizeof(fstype)) == 0);
906 c_fstype(OPTION *option, char ***argvp)
911 fsname = nextarg(option, argvp);
912 ftsoptions &= ~FTS_NOSTAT;
914 new = palloc(option);
917 if (!strcmp(fsname, "local")) {
918 new->flags |= F_MTFLAG;
919 new->mt_data = MNT_LOCAL;
924 if (!strcmp(fsname, "rdonly")) {
925 new->flags |= F_MTFLAG;
926 new->mt_data = MNT_RDONLY;
932 new->flags |= F_MTTYPE;
933 new->c_data = fsname;
938 * -group gname functions --
940 * True if the file belongs to the group gname. If gname is numeric and
941 * an equivalent of the getgrnam() function does not return a valid group
942 * name, gname is taken as a group ID.
945 f_group(PLAN *plan, FTSENT *entry)
947 COMPARE(entry->fts_statp->st_gid, plan->g_data);
951 c_group(OPTION *option, char ***argvp)
958 gname = nextarg(option, argvp);
959 ftsoptions &= ~FTS_NOSTAT;
961 new = palloc(option);
965 if (gname[0] == '-' || gname[0] == '+')
968 if (gid == 0 && gname[0] != '0')
969 errx(1, "%s: %s: no such group", option->name, gname);
970 gid = find_parsenum(new, option->name, cp, NULL);
979 * -ignore_readdir_race functions --
981 * Always true. Ignore errors which occur if a file or a directory
982 * in a starting point gets deleted between reading the name and calling
983 * stat on it while find is traversing the starting point.
987 c_ignore_readdir_race(OPTION *option, char ***argvp __unused)
989 if (strcmp(option->name, "-ignore_readdir_race") == 0)
990 ignore_readdir_race = 1;
992 ignore_readdir_race = 0;
994 return palloc(option);
998 * -inum n functions --
1000 * True if the file has inode # n.
1003 f_inum(PLAN *plan, FTSENT *entry)
1005 COMPARE(entry->fts_statp->st_ino, plan->i_data);
1009 c_inum(OPTION *option, char ***argvp)
1014 inum_str = nextarg(option, argvp);
1015 ftsoptions &= ~FTS_NOSTAT;
1017 new = palloc(option);
1018 new->i_data = find_parsenum(new, option->name, inum_str, NULL);
1025 * True if the file has the same inode (eg hard link) FN
1028 /* f_samefile is just f_inum */
1030 c_samefile(OPTION *option, char ***argvp)
1036 fn = nextarg(option, argvp);
1037 ftsoptions &= ~FTS_NOSTAT;
1039 new = palloc(option);
1042 new->i_data = sb.st_ino;
1047 * -links n functions --
1049 * True if the file has n links.
1052 f_links(PLAN *plan, FTSENT *entry)
1054 COMPARE(entry->fts_statp->st_nlink, plan->l_data);
1058 c_links(OPTION *option, char ***argvp)
1063 nlinks = nextarg(option, argvp);
1064 ftsoptions &= ~FTS_NOSTAT;
1066 new = palloc(option);
1067 new->l_data = (nlink_t)find_parsenum(new, option->name, nlinks, NULL);
1074 * Always true - prints the current entry to stdout in "ls" format.
1077 f_ls(PLAN *plan __unused, FTSENT *entry)
1079 printlong(entry->fts_path, entry->fts_accpath, entry->fts_statp);
1084 c_ls(OPTION *option, char ***argvp __unused)
1086 ftsoptions &= ~FTS_NOSTAT;
1089 return palloc(option);
1093 * -name functions --
1095 * True if the basename of the filename being examined
1096 * matches pattern using Pattern Matching Notation S3.14
1099 f_name(PLAN *plan, FTSENT *entry)
1105 if (plan->flags & F_LINK) {
1107 * The below test both avoids obviously useless readlink()
1108 * calls and ensures that symlinks with existent target do
1109 * not match if symlinks are being followed.
1110 * Assumption: fts will stat all symlinks that are to be
1111 * followed and will return the stat information.
1113 if (entry->fts_info != FTS_NSOK && entry->fts_info != FTS_SL &&
1114 entry->fts_info != FTS_SLNONE)
1116 len = readlink(entry->fts_accpath, fn, sizeof(fn) - 1);
1122 name = entry->fts_name;
1123 return !fnmatch(plan->c_data, name,
1124 plan->flags & F_IGNCASE ? FNM_CASEFOLD : 0);
1128 c_name(OPTION *option, char ***argvp)
1133 pattern = nextarg(option, argvp);
1134 new = palloc(option);
1135 new->c_data = pattern;
1140 * -newer file functions --
1142 * True if the current file has been modified more recently
1143 * then the modification time of the file named by the pathname
1147 f_newer(PLAN *plan, FTSENT *entry)
1151 if (plan->flags & F_TIME_C)
1152 ft = entry->fts_statp->st_ctim;
1153 else if (plan->flags & F_TIME_A)
1154 ft = entry->fts_statp->st_atim;
1155 else if (plan->flags & F_TIME_B)
1156 ft = entry->fts_statp->st_birthtim;
1158 ft = entry->fts_statp->st_mtim;
1159 return (ft.tv_sec > plan->t_data.tv_sec ||
1160 (ft.tv_sec == plan->t_data.tv_sec &&
1161 ft.tv_nsec > plan->t_data.tv_nsec));
1165 c_newer(OPTION *option, char ***argvp)
1171 fn_or_tspec = nextarg(option, argvp);
1172 ftsoptions &= ~FTS_NOSTAT;
1174 new = palloc(option);
1175 /* compare against what */
1176 if (option->flags & F_TIME2_T) {
1177 new->t_data.tv_sec = get_date(fn_or_tspec);
1178 if (new->t_data.tv_sec == (time_t) -1)
1179 errx(1, "Can't parse date/time: %s", fn_or_tspec);
1180 /* Use the seconds only in the comparison. */
1181 new->t_data.tv_nsec = 999999999;
1183 if (stat(fn_or_tspec, &sb))
1184 err(1, "%s", fn_or_tspec);
1185 if (option->flags & F_TIME2_C)
1186 new->t_data = sb.st_ctim;
1187 else if (option->flags & F_TIME2_A)
1188 new->t_data = sb.st_atim;
1189 else if (option->flags & F_TIME2_B)
1190 new->t_data = sb.st_birthtim;
1192 new->t_data = sb.st_mtim;
1198 * -nogroup functions --
1200 * True if file belongs to a user ID for which the equivalent
1201 * of the getgrnam() 9.2.1 [POSIX.1] function returns NULL.
1204 f_nogroup(PLAN *plan __unused, FTSENT *entry)
1206 return group_from_gid(entry->fts_statp->st_gid, 1) == NULL;
1210 c_nogroup(OPTION *option, char ***argvp __unused)
1212 ftsoptions &= ~FTS_NOSTAT;
1214 return palloc(option);
1218 * -nouser functions --
1220 * True if file belongs to a user ID for which the equivalent
1221 * of the getpwuid() 9.2.2 [POSIX.1] function returns NULL.
1224 f_nouser(PLAN *plan __unused, FTSENT *entry)
1226 return user_from_uid(entry->fts_statp->st_uid, 1) == NULL;
1230 c_nouser(OPTION *option, char ***argvp __unused)
1232 ftsoptions &= ~FTS_NOSTAT;
1234 return palloc(option);
1238 * -path functions --
1240 * True if the path of the filename being examined
1241 * matches pattern using Pattern Matching Notation S3.14
1244 f_path(PLAN *plan, FTSENT *entry)
1246 return !fnmatch(plan->c_data, entry->fts_path,
1247 plan->flags & F_IGNCASE ? FNM_CASEFOLD : 0);
1250 /* c_path is the same as c_name */
1253 * -perm functions --
1255 * The mode argument is used to represent file mode bits. If it starts
1256 * with a leading digit, it's treated as an octal mode, otherwise as a
1260 f_perm(PLAN *plan, FTSENT *entry)
1264 mode = entry->fts_statp->st_mode &
1265 (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO);
1266 if (plan->flags & F_ATLEAST)
1267 return (plan->m_data | mode) == mode;
1268 else if (plan->flags & F_ANY)
1269 return (mode & plan->m_data);
1271 return mode == plan->m_data;
1276 c_perm(OPTION *option, char ***argvp)
1282 perm = nextarg(option, argvp);
1283 ftsoptions &= ~FTS_NOSTAT;
1285 new = palloc(option);
1288 new->flags |= F_ATLEAST;
1290 } else if (*perm == '+') {
1291 new->flags |= F_ANY;
1295 if ((set = setmode(perm)) == NULL)
1296 errx(1, "%s: %s: illegal mode string", option->name, perm);
1298 new->m_data = getmode(set, 0);
1304 * -print functions --
1306 * Always true, causes the current pathname to be written to
1310 f_print(PLAN *plan __unused, FTSENT *entry)
1312 (void)puts(entry->fts_path);
1317 c_print(OPTION *option, char ***argvp __unused)
1321 return palloc(option);
1325 * -print0 functions --
1327 * Always true, causes the current pathname to be written to
1328 * standard output followed by a NUL character
1331 f_print0(PLAN *plan __unused, FTSENT *entry)
1333 fputs(entry->fts_path, stdout);
1334 fputc('\0', stdout);
1338 /* c_print0 is the same as c_print */
1341 * -prune functions --
1343 * Prune a portion of the hierarchy.
1346 f_prune(PLAN *plan __unused, FTSENT *entry)
1348 if (fts_set(tree, entry, FTS_SKIP))
1349 err(1, "%s", entry->fts_path);
1353 /* c_prune == c_simple */
1356 * -regex functions --
1358 * True if the whole path of the file matches pattern using
1359 * regular expression.
1362 f_regex(PLAN *plan, FTSENT *entry)
1369 char errbuf[LINE_MAX];
1372 pre = plan->re_data;
1373 str = entry->fts_path;
1380 errcode = regexec(pre, str, 1, &pmatch, REG_STARTEND);
1382 if (errcode != 0 && errcode != REG_NOMATCH) {
1383 regerror(errcode, pre, errbuf, sizeof errbuf);
1385 plan->flags & F_IGNCASE ? "-iregex" : "-regex", errbuf);
1388 if (errcode == 0 && pmatch.rm_so == 0 && pmatch.rm_eo == len)
1395 c_regex(OPTION *option, char ***argvp)
1401 char errbuf[LINE_MAX];
1403 if ((pre = malloc(sizeof(regex_t))) == NULL)
1406 pattern = nextarg(option, argvp);
1408 if ((errcode = regcomp(pre, pattern,
1409 regexp_flags | (option->flags & F_IGNCASE ? REG_ICASE : 0))) != 0) {
1410 regerror(errcode, pre, errbuf, sizeof errbuf);
1411 errx(1, "%s: %s: %s",
1412 option->flags & F_IGNCASE ? "-iregex" : "-regex",
1416 new = palloc(option);
1422 /* c_simple covers c_prune, c_openparen, c_closeparen, c_not, c_or, c_true, c_false */
1425 c_simple(OPTION *option, char ***argvp __unused)
1427 return palloc(option);
1431 * -size n[c] functions --
1433 * True if the file size in bytes, divided by an implementation defined
1434 * value and rounded up to the next integer, is n. If n is followed by
1435 * one of c k M G T P, the size is in bytes, kilobytes,
1436 * megabytes, gigabytes, terabytes or petabytes respectively.
1438 #define FIND_SIZE 512
1439 static int divsize = 1;
1442 f_size(PLAN *plan, FTSENT *entry)
1446 size = divsize ? (entry->fts_statp->st_size + FIND_SIZE - 1) /
1447 FIND_SIZE : entry->fts_statp->st_size;
1448 COMPARE(size, plan->o_data);
1452 c_size(OPTION *option, char ***argvp)
1459 size_str = nextarg(option, argvp);
1460 ftsoptions &= ~FTS_NOSTAT;
1462 new = palloc(option);
1464 new->o_data = find_parsenum(new, option->name, size_str, &endch);
1465 if (endch != '\0') {
1469 case 'c': /* characters */
1472 case 'k': /* kilobytes 1<<10 */
1475 case 'M': /* megabytes 1<<20 */
1478 case 'G': /* gigabytes 1<<30 */
1479 scale = 0x40000000LL;
1481 case 'T': /* terabytes 1<<40 */
1482 scale = 0x1000000000LL;
1484 case 'P': /* petabytes 1<<50 */
1485 scale = 0x4000000000000LL;
1488 errx(1, "%s: %s: illegal trailing character",
1489 option->name, size_str);
1492 if (new->o_data > QUAD_MAX / scale)
1493 errx(1, "%s: %s: value too large",
1494 option->name, size_str);
1495 new->o_data *= scale;
1501 * -type c functions --
1503 * True if the type of the file is c, where c is b, c, d, p, f or w
1504 * for block special file, character special file, directory, FIFO,
1505 * regular file or whiteout respectively.
1508 f_type(PLAN *plan, FTSENT *entry)
1510 return (entry->fts_statp->st_mode & S_IFMT) == plan->m_data;
1514 c_type(OPTION *option, char ***argvp)
1520 typestring = nextarg(option, argvp);
1521 ftsoptions &= ~FTS_NOSTAT;
1523 switch (typestring[0]) {
1548 ftsoptions |= FTS_WHITEOUT;
1550 #endif /* FTS_WHITEOUT */
1552 errx(1, "%s: %s: unknown type", option->name, typestring);
1555 new = palloc(option);
1561 * -user uname functions --
1563 * True if the file belongs to the user uname. If uname is numeric and
1564 * an equivalent of the getpwnam() S9.2.2 [POSIX.1] function does not
1565 * return a valid user name, uname is taken as a user ID.
1568 f_user(PLAN *plan, FTSENT *entry)
1570 COMPARE(entry->fts_statp->st_uid, plan->u_data);
1574 c_user(OPTION *option, char ***argvp)
1581 username = nextarg(option, argvp);
1582 ftsoptions &= ~FTS_NOSTAT;
1584 new = palloc(option);
1585 p = getpwnam(username);
1587 char* cp = username;
1588 if( username[0] == '-' || username[0] == '+' )
1590 uid = atoi(username);
1591 if (uid == 0 && username[0] != '0')
1592 errx(1, "%s: %s: no such user", option->name, username);
1593 uid = find_parsenum(new, option->name, cp, NULL);
1602 * -xdev functions --
1604 * Always true, causes find not to descend past directories that have a
1605 * different device ID (st_dev, see stat() S5.6.2 [POSIX.1])
1608 c_xdev(OPTION *option, char ***argvp __unused)
1610 ftsoptions |= FTS_XDEV;
1612 return palloc(option);
1616 * ( expression ) functions --
1618 * True if expression is true.
1621 f_expr(PLAN *plan, FTSENT *entry)
1626 for (p = plan->p_data[0];
1627 p && (state = (p->execute)(p, entry)); p = p->next);
1632 * f_openparen and f_closeparen nodes are temporary place markers. They are
1633 * eliminated during phase 2 of find_formplan() --- the '(' node is converted
1634 * to a f_expr node containing the expression and the ')' node is discarded.
1635 * The functions themselves are only used as constants.
1639 f_openparen(PLAN *plan __unused, FTSENT *entry __unused)
1645 f_closeparen(PLAN *plan __unused, FTSENT *entry __unused)
1650 /* c_openparen == c_simple */
1651 /* c_closeparen == c_simple */
1654 * AND operator. Since AND is implicit, no node is allocated.
1657 c_and(OPTION *option __unused, char ***argvp __unused)
1663 * ! expression functions --
1665 * Negation of a primary; the unary NOT operator.
1668 f_not(PLAN *plan, FTSENT *entry)
1673 for (p = plan->p_data[0];
1674 p && (state = (p->execute)(p, entry)); p = p->next);
1678 /* c_not == c_simple */
1681 * expression -o expression functions --
1683 * Alternation of primaries; the OR operator. The second expression is
1684 * not evaluated if the first expression is true.
1687 f_or(PLAN *plan, FTSENT *entry)
1692 for (p = plan->p_data[0];
1693 p && (state = (p->execute)(p, entry)); p = p->next);
1698 for (p = plan->p_data[1];
1699 p && (state = (p->execute)(p, entry)); p = p->next);
1703 /* c_or == c_simple */
1711 f_false(PLAN *plan __unused, FTSENT *entry __unused)
1716 /* c_false == c_simple */
1724 f_quit(PLAN *plan __unused, FTSENT *entry __unused)
1730 /* c_quit == c_simple */