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);
416 c_acl(OPTION *option, char ***argvp __unused)
418 ftsoptions &= ~FTS_NOSTAT;
419 return (palloc(option));
423 * -delete functions --
425 * True always. Makes its best shot and continues on regardless.
428 f_delete(PLAN *plan __unused, FTSENT *entry)
430 /* ignore these from fts */
431 if (strcmp(entry->fts_accpath, ".") == 0 ||
432 strcmp(entry->fts_accpath, "..") == 0)
436 if (isdepth == 0 || /* depth off */
437 (ftsoptions & FTS_NOSTAT)) /* not stat()ing */
438 errx(1, "-delete: insecure options got turned on");
440 if (!(ftsoptions & FTS_PHYSICAL) || /* physical off */
441 (ftsoptions & FTS_LOGICAL)) /* or finally, logical on */
442 errx(1, "-delete: forbidden when symlinks are followed");
444 /* Potentially unsafe - do not accept relative paths whatsoever */
445 if (strchr(entry->fts_accpath, '/') != NULL)
446 errx(1, "-delete: %s: relative path potentially not safe",
449 /* Turn off user immutable bits if running as root */
450 if ((entry->fts_statp->st_flags & (UF_APPEND|UF_IMMUTABLE)) &&
451 !(entry->fts_statp->st_flags & (SF_APPEND|SF_IMMUTABLE)) &&
453 lchflags(entry->fts_accpath,
454 entry->fts_statp->st_flags &= ~(UF_APPEND|UF_IMMUTABLE));
456 /* rmdir directories, unlink everything else */
457 if (S_ISDIR(entry->fts_statp->st_mode)) {
458 if (rmdir(entry->fts_accpath) < 0 && errno != ENOTEMPTY)
459 warn("-delete: rmdir(%s)", entry->fts_path);
461 if (unlink(entry->fts_accpath) < 0)
462 warn("-delete: unlink(%s)", entry->fts_path);
470 c_delete(OPTION *option, char ***argvp __unused)
473 ftsoptions &= ~FTS_NOSTAT; /* no optimise */
474 isoutput = 1; /* possible output */
475 isdepth = 1; /* -depth implied */
477 return palloc(option);
484 * Always true, used for -maxdepth, -mindepth, -xdev, -follow, and -true
487 f_always_true(PLAN *plan __unused, FTSENT *entry __unused)
493 * -depth functions --
495 * With argument: True if the file is at level n.
496 * Without argument: Always true, causes descent of the directory hierarchy
497 * to be done so that all entries in a directory are acted on before the
501 f_depth(PLAN *plan, FTSENT *entry)
503 if (plan->flags & F_DEPTH)
504 COMPARE(entry->fts_level, plan->d_data);
510 c_depth(OPTION *option, char ***argvp)
515 new = palloc(option);
518 if (str && !(new->flags & F_DEPTH)) {
519 /* skip leading + or - */
520 if (*str == '+' || *str == '-')
523 if (*str == '+' || *str == '-')
526 new->flags |= F_DEPTH;
529 if (new->flags & F_DEPTH) { /* -depth n */
532 ndepth = nextarg(option, argvp);
533 new->d_data = find_parsenum(new, option->name, ndepth, NULL);
542 * -empty functions --
544 * True if the file or directory is empty
547 f_empty(PLAN *plan __unused, FTSENT *entry)
549 if (S_ISREG(entry->fts_statp->st_mode) &&
550 entry->fts_statp->st_size == 0)
552 if (S_ISDIR(entry->fts_statp->st_mode)) {
558 dir = opendir(entry->fts_accpath);
561 for (dp = readdir(dir); dp; dp = readdir(dir))
562 if (dp->d_name[0] != '.' ||
563 (dp->d_name[1] != '\0' &&
564 (dp->d_name[1] != '.' || dp->d_name[2] != '\0'))) {
575 c_empty(OPTION *option, char ***argvp __unused)
577 ftsoptions &= ~FTS_NOSTAT;
579 return palloc(option);
583 * [-exec | -execdir | -ok] utility [arg ... ] ; functions --
585 * True if the executed utility returns a zero value as exit status.
586 * The end of the primary expression is delimited by a semicolon. If
587 * "{}" occurs anywhere, it gets replaced by the current pathname,
588 * or, in the case of -execdir, the current basename (filename
589 * without leading directory prefix). For -exec and -ok,
590 * the current directory for the execution of utility is the same as
591 * the current directory when the find utility was started, whereas
592 * for -execdir, it is the directory the file resides in.
594 * The primary -ok differs from -exec in that it requests affirmation
595 * of the user before executing the utility.
598 f_exec(PLAN *plan, FTSENT *entry)
605 if (entry == NULL && plan->flags & F_EXECPLUS) {
606 if (plan->e_ppos == plan->e_pbnum)
608 plan->e_argv[plan->e_ppos] = NULL;
612 /* XXX - if file/dir ends in '/' this will not work -- can it? */
613 if ((plan->flags & F_EXECDIR) && \
614 (file = strrchr(entry->fts_path, '/')))
617 file = entry->fts_path;
619 if (plan->flags & F_EXECPLUS) {
620 if ((plan->e_argv[plan->e_ppos] = strdup(file)) == NULL)
622 plan->e_len[plan->e_ppos] = strlen(file);
623 plan->e_psize += plan->e_len[plan->e_ppos];
624 if (++plan->e_ppos < plan->e_pnummax &&
625 plan->e_psize < plan->e_psizemax)
627 plan->e_argv[plan->e_ppos] = NULL;
629 for (cnt = 0; plan->e_argv[cnt]; ++cnt)
630 if (plan->e_len[cnt])
631 brace_subst(plan->e_orig[cnt],
632 &plan->e_argv[cnt], file,
636 doexec: if ((plan->flags & F_NEEDOK) && !queryuser(plan->e_argv))
639 /* make sure find output is interspersed correctly with subprocesses */
643 switch (pid = fork()) {
648 /* change dir back from where we started */
649 if (!(plan->flags & F_EXECDIR) && fchdir(dotfd)) {
653 execvp(plan->e_argv[0], plan->e_argv);
654 warn("%s", plan->e_argv[0]);
657 if (plan->flags & F_EXECPLUS) {
658 while (--plan->e_ppos >= plan->e_pbnum)
659 free(plan->e_argv[plan->e_ppos]);
660 plan->e_ppos = plan->e_pbnum;
661 plan->e_psize = plan->e_pbsize;
663 pid = waitpid(pid, &status, 0);
664 return (pid != -1 && WIFEXITED(status) && !WEXITSTATUS(status));
668 * c_exec, c_execdir, c_ok --
669 * build three parallel arrays, one with pointers to the strings passed
670 * on the command line, one with (possibly duplicated) pointers to the
671 * argv array, and one with integer values that are lengths of the
672 * strings, but also flags meaning that the string has to be massaged.
675 c_exec(OPTION *option, char ***argvp)
677 PLAN *new; /* node returned */
680 char **argv, **ap, **ep, *p;
682 /* XXX - was in c_execdir, but seems unnecessary!?
683 ftsoptions &= ~FTS_NOSTAT;
687 /* XXX - this is a change from the previous coding */
688 new = palloc(option);
690 for (ap = argv = *argvp;; ++ap) {
693 "%s: no terminating \";\" or \"+\"", option->name);
696 if (**ap == '+' && ap != argv && strcmp(*(ap - 1), "{}") == 0) {
697 new->flags |= F_EXECPLUS;
703 errx(1, "%s: no command specified", option->name);
705 cnt = ap - *argvp + 1;
706 if (new->flags & F_EXECPLUS) {
707 new->e_ppos = new->e_pbnum = cnt - 2;
708 if ((argmax = sysconf(_SC_ARG_MAX)) == -1) {
709 warn("sysconf(_SC_ARG_MAX)");
710 argmax = _POSIX_ARG_MAX;
713 for (ep = environ; *ep != NULL; ep++)
714 argmax -= strlen(*ep) + 1 + sizeof(*ep);
715 argmax -= 1 + sizeof(*ep);
716 new->e_pnummax = argmax / 16;
717 argmax -= sizeof(char *) * new->e_pnummax;
719 errx(1, "no space for arguments");
720 new->e_psizemax = argmax;
722 cnt += new->e_pnummax + 1;
723 new->e_next = lastexecplus;
726 if ((new->e_argv = malloc(cnt * sizeof(char *))) == NULL)
728 if ((new->e_orig = malloc(cnt * sizeof(char *))) == NULL)
730 if ((new->e_len = malloc(cnt * sizeof(int))) == NULL)
733 for (argv = *argvp, cnt = 0; argv < ap; ++argv, ++cnt) {
734 new->e_orig[cnt] = *argv;
735 if (new->flags & F_EXECPLUS)
736 new->e_pbsize += strlen(*argv) + 1;
737 for (p = *argv; *p; ++p)
738 if (!(new->flags & F_EXECPLUS) && p[0] == '{' &&
740 if ((new->e_argv[cnt] =
741 malloc(MAXPATHLEN)) == NULL)
743 new->e_len[cnt] = MAXPATHLEN;
747 new->e_argv[cnt] = *argv;
751 if (new->flags & F_EXECPLUS) {
752 new->e_psize = new->e_pbsize;
754 for (i = 0; i < new->e_pnummax; i++) {
755 new->e_argv[cnt] = NULL;
762 new->e_argv[cnt] = new->e_orig[cnt] = NULL;
764 done: *argvp = argv + 1;
768 /* Finish any pending -exec ... {} + functions. */
770 finish_execplus(void)
776 (p->execute)(p, NULL);
782 f_flags(PLAN *plan, FTSENT *entry)
786 flags = entry->fts_statp->st_flags;
787 if (plan->flags & F_ATLEAST)
788 return (flags | plan->fl_flags) == flags &&
789 !(flags & plan->fl_notflags);
790 else if (plan->flags & F_ANY)
791 return (flags & plan->fl_flags) ||
792 (flags | plan->fl_notflags) != flags;
794 return flags == plan->fl_flags &&
795 !(plan->fl_flags & plan->fl_notflags);
799 c_flags(OPTION *option, char ***argvp)
803 u_long flags, notflags;
805 flags_str = nextarg(option, argvp);
806 ftsoptions &= ~FTS_NOSTAT;
808 new = palloc(option);
810 if (*flags_str == '-') {
811 new->flags |= F_ATLEAST;
813 } else if (*flags_str == '+') {
817 if (strtofflags(&flags_str, &flags, ¬flags) == 1)
818 errx(1, "%s: %s: illegal flags string", option->name, flags_str);
820 new->fl_flags = flags;
821 new->fl_notflags = notflags;
826 * -follow functions --
828 * Always true, causes symbolic links to be followed on a global
832 c_follow(OPTION *option, char ***argvp __unused)
834 ftsoptions &= ~FTS_PHYSICAL;
835 ftsoptions |= FTS_LOGICAL;
837 return palloc(option);
841 * -fstype functions --
843 * True if the file is of a certain type.
846 f_fstype(PLAN *plan, FTSENT *entry)
848 static dev_t curdev; /* need a guaranteed illegal dev value */
849 static int first = 1;
851 static int val_flags;
852 static char fstype[sizeof(sb.f_fstypename)];
853 char *p, save[2] = {0,0};
855 if ((plan->flags & F_MTMASK) == F_MTUNKNOWN)
858 /* Only check when we cross mount point. */
859 if (first || curdev != entry->fts_statp->st_dev) {
860 curdev = entry->fts_statp->st_dev;
863 * Statfs follows symlinks; find wants the link's filesystem,
864 * not where it points.
866 if (entry->fts_info == FTS_SL ||
867 entry->fts_info == FTS_SLNONE) {
868 if ((p = strrchr(entry->fts_accpath, '/')) != NULL)
871 p = entry->fts_accpath;
879 if (statfs(entry->fts_accpath, &sb))
880 err(1, "%s", entry->fts_accpath);
890 * Further tests may need both of these values, so
891 * always copy both of them.
893 val_flags = sb.f_flags;
894 strlcpy(fstype, sb.f_fstypename, sizeof(fstype));
896 switch (plan->flags & F_MTMASK) {
898 return val_flags & plan->mt_data;
900 return (strncmp(fstype, plan->c_data, sizeof(fstype)) == 0);
907 c_fstype(OPTION *option, char ***argvp)
912 fsname = nextarg(option, argvp);
913 ftsoptions &= ~FTS_NOSTAT;
915 new = palloc(option);
918 if (!strcmp(fsname, "local")) {
919 new->flags |= F_MTFLAG;
920 new->mt_data = MNT_LOCAL;
925 if (!strcmp(fsname, "rdonly")) {
926 new->flags |= F_MTFLAG;
927 new->mt_data = MNT_RDONLY;
933 new->flags |= F_MTTYPE;
934 new->c_data = fsname;
939 * -group gname functions --
941 * True if the file belongs to the group gname. If gname is numeric and
942 * an equivalent of the getgrnam() function does not return a valid group
943 * name, gname is taken as a group ID.
946 f_group(PLAN *plan, FTSENT *entry)
948 COMPARE(entry->fts_statp->st_gid, plan->g_data);
952 c_group(OPTION *option, char ***argvp)
959 gname = nextarg(option, argvp);
960 ftsoptions &= ~FTS_NOSTAT;
962 new = palloc(option);
966 if (gname[0] == '-' || gname[0] == '+')
969 if (gid == 0 && gname[0] != '0')
970 errx(1, "%s: %s: no such group", option->name, gname);
971 gid = find_parsenum(new, option->name, cp, NULL);
980 * -inum n functions --
982 * True if the file has inode # n.
985 f_inum(PLAN *plan, FTSENT *entry)
987 COMPARE(entry->fts_statp->st_ino, plan->i_data);
991 c_inum(OPTION *option, char ***argvp)
996 inum_str = nextarg(option, argvp);
997 ftsoptions &= ~FTS_NOSTAT;
999 new = palloc(option);
1000 new->i_data = find_parsenum(new, option->name, inum_str, NULL);
1007 * True if the file has the same inode (eg hard link) FN
1010 /* f_samefile is just f_inum */
1012 c_samefile(OPTION *option, char ***argvp)
1018 fn = nextarg(option, argvp);
1019 ftsoptions &= ~FTS_NOSTAT;
1021 new = palloc(option);
1024 new->i_data = sb.st_ino;
1029 * -links n functions --
1031 * True if the file has n links.
1034 f_links(PLAN *plan, FTSENT *entry)
1036 COMPARE(entry->fts_statp->st_nlink, plan->l_data);
1040 c_links(OPTION *option, char ***argvp)
1045 nlinks = nextarg(option, argvp);
1046 ftsoptions &= ~FTS_NOSTAT;
1048 new = palloc(option);
1049 new->l_data = (nlink_t)find_parsenum(new, option->name, nlinks, NULL);
1056 * Always true - prints the current entry to stdout in "ls" format.
1059 f_ls(PLAN *plan __unused, FTSENT *entry)
1061 printlong(entry->fts_path, entry->fts_accpath, entry->fts_statp);
1066 c_ls(OPTION *option, char ***argvp __unused)
1068 ftsoptions &= ~FTS_NOSTAT;
1071 return palloc(option);
1075 * -name functions --
1077 * True if the basename of the filename being examined
1078 * matches pattern using Pattern Matching Notation S3.14
1081 f_name(PLAN *plan, FTSENT *entry)
1087 if (plan->flags & F_LINK) {
1089 * The below test both avoids obviously useless readlink()
1090 * calls and ensures that symlinks with existent target do
1091 * not match if symlinks are being followed.
1092 * Assumption: fts will stat all symlinks that are to be
1093 * followed and will return the stat information.
1095 if (entry->fts_info != FTS_NSOK && entry->fts_info != FTS_SL &&
1096 entry->fts_info != FTS_SLNONE)
1098 len = readlink(entry->fts_accpath, fn, sizeof(fn) - 1);
1104 name = entry->fts_name;
1105 return !fnmatch(plan->c_data, name,
1106 plan->flags & F_IGNCASE ? FNM_CASEFOLD : 0);
1110 c_name(OPTION *option, char ***argvp)
1115 pattern = nextarg(option, argvp);
1116 new = palloc(option);
1117 new->c_data = pattern;
1122 * -newer file functions --
1124 * True if the current file has been modified more recently
1125 * then the modification time of the file named by the pathname
1129 f_newer(PLAN *plan, FTSENT *entry)
1133 if (plan->flags & F_TIME_C)
1134 ft = entry->fts_statp->st_ctim;
1135 else if (plan->flags & F_TIME_A)
1136 ft = entry->fts_statp->st_atim;
1137 else if (plan->flags & F_TIME_B)
1138 ft = entry->fts_statp->st_birthtim;
1140 ft = entry->fts_statp->st_mtim;
1141 return (ft.tv_sec > plan->t_data.tv_sec ||
1142 (ft.tv_sec == plan->t_data.tv_sec &&
1143 ft.tv_nsec > plan->t_data.tv_nsec));
1147 c_newer(OPTION *option, char ***argvp)
1153 fn_or_tspec = nextarg(option, argvp);
1154 ftsoptions &= ~FTS_NOSTAT;
1156 new = palloc(option);
1157 /* compare against what */
1158 if (option->flags & F_TIME2_T) {
1159 new->t_data.tv_sec = get_date(fn_or_tspec);
1160 if (new->t_data.tv_sec == (time_t) -1)
1161 errx(1, "Can't parse date/time: %s", fn_or_tspec);
1162 /* Use the seconds only in the comparison. */
1163 new->t_data.tv_nsec = 999999999;
1165 if (stat(fn_or_tspec, &sb))
1166 err(1, "%s", fn_or_tspec);
1167 if (option->flags & F_TIME2_C)
1168 new->t_data = sb.st_ctim;
1169 else if (option->flags & F_TIME2_A)
1170 new->t_data = sb.st_atim;
1171 else if (option->flags & F_TIME2_B)
1172 new->t_data = sb.st_birthtim;
1174 new->t_data = sb.st_mtim;
1180 * -nogroup functions --
1182 * True if file belongs to a user ID for which the equivalent
1183 * of the getgrnam() 9.2.1 [POSIX.1] function returns NULL.
1186 f_nogroup(PLAN *plan __unused, FTSENT *entry)
1188 return group_from_gid(entry->fts_statp->st_gid, 1) == NULL;
1192 c_nogroup(OPTION *option, char ***argvp __unused)
1194 ftsoptions &= ~FTS_NOSTAT;
1196 return palloc(option);
1200 * -nouser functions --
1202 * True if file belongs to a user ID for which the equivalent
1203 * of the getpwuid() 9.2.2 [POSIX.1] function returns NULL.
1206 f_nouser(PLAN *plan __unused, FTSENT *entry)
1208 return user_from_uid(entry->fts_statp->st_uid, 1) == NULL;
1212 c_nouser(OPTION *option, char ***argvp __unused)
1214 ftsoptions &= ~FTS_NOSTAT;
1216 return palloc(option);
1220 * -path functions --
1222 * True if the path of the filename being examined
1223 * matches pattern using Pattern Matching Notation S3.14
1226 f_path(PLAN *plan, FTSENT *entry)
1228 return !fnmatch(plan->c_data, entry->fts_path,
1229 plan->flags & F_IGNCASE ? FNM_CASEFOLD : 0);
1232 /* c_path is the same as c_name */
1235 * -perm functions --
1237 * The mode argument is used to represent file mode bits. If it starts
1238 * with a leading digit, it's treated as an octal mode, otherwise as a
1242 f_perm(PLAN *plan, FTSENT *entry)
1246 mode = entry->fts_statp->st_mode &
1247 (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO);
1248 if (plan->flags & F_ATLEAST)
1249 return (plan->m_data | mode) == mode;
1250 else if (plan->flags & F_ANY)
1251 return (mode & plan->m_data);
1253 return mode == plan->m_data;
1258 c_perm(OPTION *option, char ***argvp)
1264 perm = nextarg(option, argvp);
1265 ftsoptions &= ~FTS_NOSTAT;
1267 new = palloc(option);
1270 new->flags |= F_ATLEAST;
1272 } else if (*perm == '+') {
1273 new->flags |= F_ANY;
1277 if ((set = setmode(perm)) == NULL)
1278 errx(1, "%s: %s: illegal mode string", option->name, perm);
1280 new->m_data = getmode(set, 0);
1286 * -print functions --
1288 * Always true, causes the current pathname to be written to
1292 f_print(PLAN *plan __unused, FTSENT *entry)
1294 (void)puts(entry->fts_path);
1299 c_print(OPTION *option, char ***argvp __unused)
1303 return palloc(option);
1307 * -print0 functions --
1309 * Always true, causes the current pathname to be written to
1310 * standard output followed by a NUL character
1313 f_print0(PLAN *plan __unused, FTSENT *entry)
1315 fputs(entry->fts_path, stdout);
1316 fputc('\0', stdout);
1320 /* c_print0 is the same as c_print */
1323 * -prune functions --
1325 * Prune a portion of the hierarchy.
1328 f_prune(PLAN *plan __unused, FTSENT *entry)
1330 if (fts_set(tree, entry, FTS_SKIP))
1331 err(1, "%s", entry->fts_path);
1335 /* c_prune == c_simple */
1338 * -regex functions --
1340 * True if the whole path of the file matches pattern using
1341 * regular expression.
1344 f_regex(PLAN *plan, FTSENT *entry)
1351 char errbuf[LINE_MAX];
1354 pre = plan->re_data;
1355 str = entry->fts_path;
1362 errcode = regexec(pre, str, 1, &pmatch, REG_STARTEND);
1364 if (errcode != 0 && errcode != REG_NOMATCH) {
1365 regerror(errcode, pre, errbuf, sizeof errbuf);
1367 plan->flags & F_IGNCASE ? "-iregex" : "-regex", errbuf);
1370 if (errcode == 0 && pmatch.rm_so == 0 && pmatch.rm_eo == len)
1377 c_regex(OPTION *option, char ***argvp)
1383 char errbuf[LINE_MAX];
1385 if ((pre = malloc(sizeof(regex_t))) == NULL)
1388 pattern = nextarg(option, argvp);
1390 if ((errcode = regcomp(pre, pattern,
1391 regexp_flags | (option->flags & F_IGNCASE ? REG_ICASE : 0))) != 0) {
1392 regerror(errcode, pre, errbuf, sizeof errbuf);
1393 errx(1, "%s: %s: %s",
1394 option->flags & F_IGNCASE ? "-iregex" : "-regex",
1398 new = palloc(option);
1404 /* c_simple covers c_prune, c_openparen, c_closeparen, c_not, c_or, c_true, c_false */
1407 c_simple(OPTION *option, char ***argvp __unused)
1409 return palloc(option);
1413 * -size n[c] functions --
1415 * True if the file size in bytes, divided by an implementation defined
1416 * value and rounded up to the next integer, is n. If n is followed by
1417 * one of c k M G T P, the size is in bytes, kilobytes,
1418 * megabytes, gigabytes, terabytes or petabytes respectively.
1420 #define FIND_SIZE 512
1421 static int divsize = 1;
1424 f_size(PLAN *plan, FTSENT *entry)
1428 size = divsize ? (entry->fts_statp->st_size + FIND_SIZE - 1) /
1429 FIND_SIZE : entry->fts_statp->st_size;
1430 COMPARE(size, plan->o_data);
1434 c_size(OPTION *option, char ***argvp)
1441 size_str = nextarg(option, argvp);
1442 ftsoptions &= ~FTS_NOSTAT;
1444 new = palloc(option);
1446 new->o_data = find_parsenum(new, option->name, size_str, &endch);
1447 if (endch != '\0') {
1451 case 'c': /* characters */
1454 case 'k': /* kilobytes 1<<10 */
1457 case 'M': /* megabytes 1<<20 */
1460 case 'G': /* gigabytes 1<<30 */
1461 scale = 0x40000000LL;
1463 case 'T': /* terabytes 1<<40 */
1464 scale = 0x1000000000LL;
1466 case 'P': /* petabytes 1<<50 */
1467 scale = 0x4000000000000LL;
1470 errx(1, "%s: %s: illegal trailing character",
1471 option->name, size_str);
1474 if (new->o_data > QUAD_MAX / scale)
1475 errx(1, "%s: %s: value too large",
1476 option->name, size_str);
1477 new->o_data *= scale;
1483 * -type c functions --
1485 * True if the type of the file is c, where c is b, c, d, p, f or w
1486 * for block special file, character special file, directory, FIFO,
1487 * regular file or whiteout respectively.
1490 f_type(PLAN *plan, FTSENT *entry)
1492 return (entry->fts_statp->st_mode & S_IFMT) == plan->m_data;
1496 c_type(OPTION *option, char ***argvp)
1502 typestring = nextarg(option, argvp);
1503 ftsoptions &= ~FTS_NOSTAT;
1505 switch (typestring[0]) {
1530 ftsoptions |= FTS_WHITEOUT;
1532 #endif /* FTS_WHITEOUT */
1534 errx(1, "%s: %s: unknown type", option->name, typestring);
1537 new = palloc(option);
1543 * -user uname functions --
1545 * True if the file belongs to the user uname. If uname is numeric and
1546 * an equivalent of the getpwnam() S9.2.2 [POSIX.1] function does not
1547 * return a valid user name, uname is taken as a user ID.
1550 f_user(PLAN *plan, FTSENT *entry)
1552 COMPARE(entry->fts_statp->st_uid, plan->u_data);
1556 c_user(OPTION *option, char ***argvp)
1563 username = nextarg(option, argvp);
1564 ftsoptions &= ~FTS_NOSTAT;
1566 new = palloc(option);
1567 p = getpwnam(username);
1569 char* cp = username;
1570 if( username[0] == '-' || username[0] == '+' )
1572 uid = atoi(username);
1573 if (uid == 0 && username[0] != '0')
1574 errx(1, "%s: %s: no such user", option->name, username);
1575 uid = find_parsenum(new, option->name, cp, NULL);
1584 * -xdev functions --
1586 * Always true, causes find not to descend past directories that have a
1587 * different device ID (st_dev, see stat() S5.6.2 [POSIX.1])
1590 c_xdev(OPTION *option, char ***argvp __unused)
1592 ftsoptions |= FTS_XDEV;
1594 return palloc(option);
1598 * ( expression ) functions --
1600 * True if expression is true.
1603 f_expr(PLAN *plan, FTSENT *entry)
1608 for (p = plan->p_data[0];
1609 p && (state = (p->execute)(p, entry)); p = p->next);
1614 * f_openparen and f_closeparen nodes are temporary place markers. They are
1615 * eliminated during phase 2 of find_formplan() --- the '(' node is converted
1616 * to a f_expr node containing the expression and the ')' node is discarded.
1617 * The functions themselves are only used as constants.
1621 f_openparen(PLAN *plan __unused, FTSENT *entry __unused)
1627 f_closeparen(PLAN *plan __unused, FTSENT *entry __unused)
1632 /* c_openparen == c_simple */
1633 /* c_closeparen == c_simple */
1636 * AND operator. Since AND is implicit, no node is allocated.
1639 c_and(OPTION *option __unused, char ***argvp __unused)
1645 * ! expression functions --
1647 * Negation of a primary; the unary NOT operator.
1650 f_not(PLAN *plan, FTSENT *entry)
1655 for (p = plan->p_data[0];
1656 p && (state = (p->execute)(p, entry)); p = p->next);
1660 /* c_not == c_simple */
1663 * expression -o expression functions --
1665 * Alternation of primaries; the OR operator. The second expression is
1666 * not evaluated if the first expression is true.
1669 f_or(PLAN *plan, FTSENT *entry)
1674 for (p = plan->p_data[0];
1675 p && (state = (p->execute)(p, entry)); p = p->next);
1680 for (p = plan->p_data[1];
1681 p && (state = (p->execute)(p, entry)); p = p->next);
1685 /* c_or == c_simple */
1693 f_false(PLAN *plan __unused, FTSENT *entry __unused)
1698 /* c_false == c_simple */
1706 f_quit(PLAN *plan __unused, FTSENT *entry __unused)
1712 /* c_quit == c_simple */