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 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 static const char sccsid[] = "@(#)function.c 8.10 (Berkeley) 5/4/95";
43 #include <sys/cdefs.h>
44 __FBSDID("$FreeBSD$");
46 #include <sys/param.h>
47 #include <sys/ucred.h>
49 #include <sys/types.h>
52 #include <sys/mount.h>
53 #include <sys/timeb.h>
72 static PLAN *palloc(OPTION *);
73 static long long find_parsenum(PLAN *, const char *, char *, char *);
74 static long long find_parsetime(PLAN *, const char *, char *);
75 static char *nextarg(OPTION *, char ***);
77 extern char **environ;
79 static PLAN *lastexecplus = NULL;
81 #define COMPARE(a, b) do { \
82 switch (plan->flags & F_ELG_MASK) { \
95 palloc(OPTION *option)
99 if ((new = malloc(sizeof(PLAN))) == NULL)
101 new->execute = option->execute;
102 new->flags = option->flags;
109 * Parse a string of the form [+-]# and return the value.
112 find_parsenum(PLAN *plan, const char *option, char *vp, char *endch)
115 char *endchar, *str; /* Pointer to character ending conversion. */
117 /* Determine comparison from leading + or -. */
122 plan->flags |= F_GREATER;
126 plan->flags |= F_LESSTHAN;
129 plan->flags |= F_EQUAL;
134 * Convert the string with strtoq(). Note, if strtoq() returns zero
135 * and endchar points to the beginning of the string we know we have
138 value = strtoq(str, &endchar, 10);
139 if (value == 0 && endchar == str)
140 errx(1, "%s: %s: illegal numeric value", option, vp);
141 if (endchar[0] && endch == NULL)
142 errx(1, "%s: %s: illegal trailing character", option, vp);
150 * Parse a string of the form [+-]([0-9]+[smhdw]?)+ and return the value.
153 find_parsetime(PLAN *plan, const char *option, char *vp)
155 long long secs, value;
156 char *str, *unit; /* Pointer to character ending conversion. */
158 /* Determine comparison from leading + or -. */
163 plan->flags |= F_GREATER;
167 plan->flags |= F_LESSTHAN;
170 plan->flags |= F_EQUAL;
174 value = strtoq(str, &unit, 10);
175 if (value == 0 && unit == str) {
176 errx(1, "%s: %s: illegal time value", option, vp);
186 case 's': /* seconds */
189 case 'm': /* minutes */
192 case 'h': /* hours */
193 secs += value * 3600;
196 secs += value * 86400;
198 case 'w': /* weeks */
199 secs += value * 604800;
202 errx(1, "%s: %s: bad unit '%c'", option, vp, *unit);
206 if (*str == '\0') /* EOS */
208 value = strtoq(str, &unit, 10);
209 if (value == 0 && unit == str) {
210 errx(1, "%s: %s: illegal time value", option, vp);
214 errx(1, "%s: %s: missing trailing unit", option, vp);
218 plan->flags |= F_EXACTTIME;
224 * Check that another argument still exists, return a pointer to it,
225 * and increment the argument vector pointer.
228 nextarg(OPTION *option, char ***argvp)
232 if ((arg = **argvp) == 0)
233 errx(1, "%s: requires additional arguments", option->name);
239 * The value of n for the inode times (atime, birthtime, ctime, mtime) is a
240 * range, i.e. n matches from (n - 1) to n 24 hour periods. This interacts
241 * with -n, such that "-mtime -1" would be less than 0 days, which isn't what
242 * the user wanted. Correct so that -1 is "less than 1".
244 #define TIME_CORRECT(p) \
245 if (((p)->flags & F_ELG_MASK) == F_LESSTHAN) \
249 * -[acm]min n functions --
251 * True if the difference between the
252 * file access time (-amin)
253 * file birth time (-Bmin)
254 * last change of file status information (-cmin)
255 * file modification time (-mmin)
256 * and the current time is n min periods.
259 f_Xmin(PLAN *plan, FTSENT *entry)
261 if (plan->flags & F_TIME_C) {
262 COMPARE((now - entry->fts_statp->st_ctime +
263 60 - 1) / 60, plan->t_data);
264 } else if (plan->flags & F_TIME_A) {
265 COMPARE((now - entry->fts_statp->st_atime +
266 60 - 1) / 60, plan->t_data);
267 } else if (plan->flags & F_TIME_B) {
268 COMPARE((now - entry->fts_statp->st_birthtime +
269 60 - 1) / 60, plan->t_data);
271 COMPARE((now - entry->fts_statp->st_mtime +
272 60 - 1) / 60, plan->t_data);
277 c_Xmin(OPTION *option, char ***argvp)
282 nmins = nextarg(option, argvp);
283 ftsoptions &= ~FTS_NOSTAT;
285 new = palloc(option);
286 new->t_data = find_parsenum(new, option->name, nmins, NULL);
292 * -[acm]time n functions --
294 * True if the difference between the
295 * file access time (-atime)
296 * file birth time (-Btime)
297 * last change of file status information (-ctime)
298 * file modification time (-mtime)
299 * and the current time is n 24 hour periods.
303 f_Xtime(PLAN *plan, FTSENT *entry)
307 if (plan->flags & F_TIME_A)
308 xtime = entry->fts_statp->st_atime;
309 else if (plan->flags & F_TIME_B)
310 xtime = entry->fts_statp->st_birthtime;
311 else if (plan->flags & F_TIME_C)
312 xtime = entry->fts_statp->st_ctime;
314 xtime = entry->fts_statp->st_mtime;
316 if (plan->flags & F_EXACTTIME)
317 COMPARE(now - xtime, plan->t_data);
319 COMPARE((now - xtime + 86400 - 1) / 86400, plan->t_data);
323 c_Xtime(OPTION *option, char ***argvp)
328 value = nextarg(option, argvp);
329 ftsoptions &= ~FTS_NOSTAT;
331 new = palloc(option);
332 new->t_data = find_parsetime(new, option->name, value);
333 if (!(new->flags & F_EXACTTIME))
339 * -maxdepth/-mindepth n functions --
341 * Does the same as -prune if the level of the current file is
342 * greater/less than the specified maximum/minimum depth.
344 * Note that -maxdepth and -mindepth are handled specially in
345 * find_execute() so their f_* functions are set to f_always_true().
348 c_mXXdepth(OPTION *option, char ***argvp)
353 dstr = nextarg(option, argvp);
355 /* all other errors handled by find_parsenum() */
356 errx(1, "%s: %s: value must be positive", option->name, dstr);
358 new = palloc(option);
359 if (option->flags & F_MAXDEPTH)
360 maxdepth = find_parsenum(new, option->name, dstr, NULL);
362 mindepth = find_parsenum(new, option->name, dstr, NULL);
369 * Show files with EXTENDED ACL attributes.
372 f_acl(PLAN *plan __unused, FTSENT *entry)
378 if (S_ISLNK(entry->fts_statp->st_mode))
380 if ((match = pathconf(entry->fts_accpath, _PC_ACL_EXTENDED)) <= 0) {
381 if (match < 0 && errno != EINVAL)
382 warn("%s", entry->fts_accpath);
387 if ((facl = acl_get_file(entry->fts_accpath,ACL_TYPE_ACCESS)) != NULL) {
388 if (acl_get_entry(facl, ACL_FIRST_ENTRY, &ae) == 1) {
390 * POSIX.1e requires that ACLs of type ACL_TYPE_ACCESS
391 * must have at least three entries (owner, group,
395 while (acl_get_entry(facl, ACL_NEXT_ENTRY, &ae) == 1) {
404 warn("%s", entry->fts_accpath);
409 c_acl(OPTION *option, char ***argvp __unused)
411 ftsoptions &= ~FTS_NOSTAT;
412 return (palloc(option));
416 * -delete functions --
418 * True always. Makes its best shot and continues on regardless.
421 f_delete(PLAN *plan __unused, FTSENT *entry)
423 /* ignore these from fts */
424 if (strcmp(entry->fts_accpath, ".") == 0 ||
425 strcmp(entry->fts_accpath, "..") == 0)
429 if (isdepth == 0 || /* depth off */
430 (ftsoptions & FTS_NOSTAT) || /* not stat()ing */
431 !(ftsoptions & FTS_PHYSICAL) || /* physical off */
432 (ftsoptions & FTS_LOGICAL)) /* or finally, logical on */
433 errx(1, "-delete: insecure options got turned on");
435 /* Potentially unsafe - do not accept relative paths whatsoever */
436 if (strchr(entry->fts_accpath, '/') != NULL)
437 errx(1, "-delete: %s: relative path potentially not safe",
440 /* Turn off user immutable bits if running as root */
441 if ((entry->fts_statp->st_flags & (UF_APPEND|UF_IMMUTABLE)) &&
442 !(entry->fts_statp->st_flags & (SF_APPEND|SF_IMMUTABLE)) &&
444 chflags(entry->fts_accpath,
445 entry->fts_statp->st_flags &= ~(UF_APPEND|UF_IMMUTABLE));
447 /* rmdir directories, unlink everything else */
448 if (S_ISDIR(entry->fts_statp->st_mode)) {
449 if (rmdir(entry->fts_accpath) < 0 && errno != ENOTEMPTY)
450 warn("-delete: rmdir(%s)", entry->fts_path);
452 if (unlink(entry->fts_accpath) < 0)
453 warn("-delete: unlink(%s)", entry->fts_path);
461 c_delete(OPTION *option, char ***argvp __unused)
464 ftsoptions &= ~FTS_NOSTAT; /* no optimise */
465 ftsoptions |= FTS_PHYSICAL; /* disable -follow */
466 ftsoptions &= ~FTS_LOGICAL; /* disable -follow */
467 isoutput = 1; /* possible output */
468 isdepth = 1; /* -depth implied */
470 return palloc(option);
477 * Always true, used for -maxdepth, -mindepth, -xdev, -follow, and -true
480 f_always_true(PLAN *plan __unused, FTSENT *entry __unused)
486 * -depth functions --
488 * With argument: True if the file is at level n.
489 * Without argument: Always true, causes descent of the directory hierarchy
490 * to be done so that all entries in a directory are acted on before the
494 f_depth(PLAN *plan, FTSENT *entry)
496 if (plan->flags & F_DEPTH)
497 COMPARE(entry->fts_level, plan->d_data);
503 c_depth(OPTION *option, char ***argvp)
508 new = palloc(option);
511 if (str && !(new->flags & F_DEPTH)) {
512 /* skip leading + or - */
513 if (*str == '+' || *str == '-')
516 if (*str == '+' || *str == '-')
519 new->flags |= F_DEPTH;
522 if (new->flags & F_DEPTH) { /* -depth n */
525 ndepth = nextarg(option, argvp);
526 new->d_data = find_parsenum(new, option->name, ndepth, NULL);
535 * -empty functions --
537 * True if the file or directory is empty
540 f_empty(PLAN *plan __unused, FTSENT *entry)
542 if (S_ISREG(entry->fts_statp->st_mode) &&
543 entry->fts_statp->st_size == 0)
545 if (S_ISDIR(entry->fts_statp->st_mode)) {
551 dir = opendir(entry->fts_accpath);
553 err(1, "%s", entry->fts_accpath);
554 for (dp = readdir(dir); dp; dp = readdir(dir))
555 if (dp->d_name[0] != '.' ||
556 (dp->d_name[1] != '\0' &&
557 (dp->d_name[1] != '.' || dp->d_name[2] != '\0'))) {
568 c_empty(OPTION *option, char ***argvp __unused)
570 ftsoptions &= ~FTS_NOSTAT;
572 return palloc(option);
576 * [-exec | -execdir | -ok] utility [arg ... ] ; functions --
578 * True if the executed utility returns a zero value as exit status.
579 * The end of the primary expression is delimited by a semicolon. If
580 * "{}" occurs anywhere, it gets replaced by the current pathname,
581 * or, in the case of -execdir, the current basename (filename
582 * without leading directory prefix). For -exec and -ok,
583 * the current directory for the execution of utility is the same as
584 * the current directory when the find utility was started, whereas
585 * for -execdir, it is the directory the file resides in.
587 * The primary -ok differs from -exec in that it requests affirmation
588 * of the user before executing the utility.
591 f_exec(PLAN *plan, FTSENT *entry)
598 if (entry == NULL && plan->flags & F_EXECPLUS) {
599 if (plan->e_ppos == plan->e_pbnum)
601 plan->e_argv[plan->e_ppos] = NULL;
605 /* XXX - if file/dir ends in '/' this will not work -- can it? */
606 if ((plan->flags & F_EXECDIR) && \
607 (file = strrchr(entry->fts_path, '/')))
610 file = entry->fts_path;
612 if (plan->flags & F_EXECPLUS) {
613 if ((plan->e_argv[plan->e_ppos] = strdup(file)) == NULL)
615 plan->e_len[plan->e_ppos] = strlen(file);
616 plan->e_psize += plan->e_len[plan->e_ppos];
617 if (++plan->e_ppos < plan->e_pnummax &&
618 plan->e_psize < plan->e_psizemax)
620 plan->e_argv[plan->e_ppos] = NULL;
622 for (cnt = 0; plan->e_argv[cnt]; ++cnt)
623 if (plan->e_len[cnt])
624 brace_subst(plan->e_orig[cnt],
625 &plan->e_argv[cnt], file,
629 doexec: if ((plan->flags & F_NEEDOK) && !queryuser(plan->e_argv))
632 /* make sure find output is interspersed correctly with subprocesses */
636 switch (pid = fork()) {
641 /* change dir back from where we started */
642 if (!(plan->flags & F_EXECDIR) && fchdir(dotfd)) {
646 execvp(plan->e_argv[0], plan->e_argv);
647 warn("%s", plan->e_argv[0]);
650 if (plan->flags & F_EXECPLUS) {
651 while (--plan->e_ppos >= plan->e_pbnum)
652 free(plan->e_argv[plan->e_ppos]);
653 plan->e_ppos = plan->e_pbnum;
654 plan->e_psize = plan->e_pbsize;
656 pid = waitpid(pid, &status, 0);
657 return (pid != -1 && WIFEXITED(status) && !WEXITSTATUS(status));
661 * c_exec, c_execdir, c_ok --
662 * build three parallel arrays, one with pointers to the strings passed
663 * on the command line, one with (possibly duplicated) pointers to the
664 * argv array, and one with integer values that are lengths of the
665 * strings, but also flags meaning that the string has to be massaged.
668 c_exec(OPTION *option, char ***argvp)
670 PLAN *new; /* node returned */
673 char **argv, **ap, **ep, *p;
675 /* XXX - was in c_execdir, but seems unnecessary!?
676 ftsoptions &= ~FTS_NOSTAT;
680 /* XXX - this is a change from the previous coding */
681 new = palloc(option);
683 for (ap = argv = *argvp;; ++ap) {
686 "%s: no terminating \";\" or \"+\"", option->name);
689 if (**ap == '+' && ap != argv && strcmp(*(ap - 1), "{}") == 0) {
690 new->flags |= F_EXECPLUS;
696 errx(1, "%s: no command specified", option->name);
698 cnt = ap - *argvp + 1;
699 if (new->flags & F_EXECPLUS) {
700 new->e_ppos = new->e_pbnum = cnt - 2;
701 if ((argmax = sysconf(_SC_ARG_MAX)) == -1) {
702 warn("sysconf(_SC_ARG_MAX)");
703 argmax = _POSIX_ARG_MAX;
706 for (ep = environ; *ep != NULL; ep++)
707 argmax -= strlen(*ep) + 1 + sizeof(*ep);
708 argmax -= 1 + sizeof(*ep);
709 new->e_pnummax = argmax / 16;
710 argmax -= sizeof(char *) * new->e_pnummax;
712 errx(1, "no space for arguments");
713 new->e_psizemax = argmax;
715 cnt += new->e_pnummax + 1;
716 new->e_next = lastexecplus;
719 if ((new->e_argv = malloc(cnt * sizeof(char *))) == NULL)
721 if ((new->e_orig = malloc(cnt * sizeof(char *))) == NULL)
723 if ((new->e_len = malloc(cnt * sizeof(int))) == NULL)
726 for (argv = *argvp, cnt = 0; argv < ap; ++argv, ++cnt) {
727 new->e_orig[cnt] = *argv;
728 if (new->flags & F_EXECPLUS)
729 new->e_pbsize += strlen(*argv) + 1;
730 for (p = *argv; *p; ++p)
731 if (!(new->flags & F_EXECPLUS) && p[0] == '{' &&
733 if ((new->e_argv[cnt] =
734 malloc(MAXPATHLEN)) == NULL)
736 new->e_len[cnt] = MAXPATHLEN;
740 new->e_argv[cnt] = *argv;
744 if (new->flags & F_EXECPLUS) {
745 new->e_psize = new->e_pbsize;
747 for (i = 0; i < new->e_pnummax; i++) {
748 new->e_argv[cnt] = NULL;
755 new->e_argv[cnt] = new->e_orig[cnt] = NULL;
757 done: *argvp = argv + 1;
761 /* Finish any pending -exec ... {} + functions. */
769 (p->execute)(p, NULL);
775 f_flags(PLAN *plan, FTSENT *entry)
779 flags = entry->fts_statp->st_flags;
780 if (plan->flags & F_ATLEAST)
781 return (flags | plan->fl_flags) == flags &&
782 !(flags & plan->fl_notflags);
783 else if (plan->flags & F_ANY)
784 return (flags & plan->fl_flags) ||
785 (flags | plan->fl_notflags) != flags;
787 return flags == plan->fl_flags &&
788 !(plan->fl_flags & plan->fl_notflags);
792 c_flags(OPTION *option, char ***argvp)
796 u_long flags, notflags;
798 flags_str = nextarg(option, argvp);
799 ftsoptions &= ~FTS_NOSTAT;
801 new = palloc(option);
803 if (*flags_str == '-') {
804 new->flags |= F_ATLEAST;
806 } else if (*flags_str == '+') {
810 if (strtofflags(&flags_str, &flags, ¬flags) == 1)
811 errx(1, "%s: %s: illegal flags string", option->name, flags_str);
813 new->fl_flags = flags;
814 new->fl_notflags = notflags;
819 * -follow functions --
821 * Always true, causes symbolic links to be followed on a global
825 c_follow(OPTION *option, char ***argvp __unused)
827 ftsoptions &= ~FTS_PHYSICAL;
828 ftsoptions |= FTS_LOGICAL;
830 return palloc(option);
834 * -fstype functions --
836 * True if the file is of a certain type.
839 f_fstype(PLAN *plan, FTSENT *entry)
841 static dev_t curdev; /* need a guaranteed illegal dev value */
842 static int first = 1;
844 static int val_type, val_flags;
845 char *p, save[2] = {0,0};
847 if ((plan->flags & F_MTMASK) == F_MTUNKNOWN)
850 /* Only check when we cross mount point. */
851 if (first || curdev != entry->fts_statp->st_dev) {
852 curdev = entry->fts_statp->st_dev;
855 * Statfs follows symlinks; find wants the link's filesystem,
856 * not where it points.
858 if (entry->fts_info == FTS_SL ||
859 entry->fts_info == FTS_SLNONE) {
860 if ((p = strrchr(entry->fts_accpath, '/')) != NULL)
863 p = entry->fts_accpath;
871 if (statfs(entry->fts_accpath, &sb))
872 err(1, "%s", entry->fts_accpath);
882 * Further tests may need both of these values, so
883 * always copy both of them.
885 val_flags = sb.f_flags;
886 val_type = sb.f_type;
888 switch (plan->flags & F_MTMASK) {
890 return val_flags & plan->mt_data;
892 return val_type == plan->mt_data;
899 c_fstype(OPTION *option, char ***argvp)
905 fsname = nextarg(option, argvp);
906 ftsoptions &= ~FTS_NOSTAT;
908 new = palloc(option);
911 * Check first for a filesystem name.
913 if (getvfsbyname(fsname, &vfc) == 0) {
914 new->flags |= F_MTTYPE;
915 new->mt_data = vfc.vfc_typenum;
921 if (!strcmp(fsname, "local")) {
922 new->flags |= F_MTFLAG;
923 new->mt_data = MNT_LOCAL;
928 if (!strcmp(fsname, "rdonly")) {
929 new->flags |= F_MTFLAG;
930 new->mt_data = MNT_RDONLY;
937 * We need to make filesystem checks for filesystems
938 * that exists but aren't in the kernel work.
940 fprintf(stderr, "Warning: Unknown filesystem type %s\n", fsname);
941 new->flags |= F_MTUNKNOWN;
946 * -group gname functions --
948 * True if the file belongs to the group gname. If gname is numeric and
949 * an equivalent of the getgrnam() function does not return a valid group
950 * name, gname is taken as a group ID.
953 f_group(PLAN *plan, FTSENT *entry)
955 COMPARE(entry->fts_statp->st_gid, plan->g_data);
959 c_group(OPTION *option, char ***argvp)
966 gname = nextarg(option, argvp);
967 ftsoptions &= ~FTS_NOSTAT;
969 new = palloc(option);
973 if (gname[0] == '-' || gname[0] == '+')
976 if (gid == 0 && gname[0] != '0')
977 errx(1, "%s: %s: no such group", option->name, gname);
978 gid = find_parsenum(new, option->name, cp, NULL);
987 * -inum n functions --
989 * True if the file has inode # n.
992 f_inum(PLAN *plan, FTSENT *entry)
994 COMPARE(entry->fts_statp->st_ino, plan->i_data);
998 c_inum(OPTION *option, char ***argvp)
1003 inum_str = nextarg(option, argvp);
1004 ftsoptions &= ~FTS_NOSTAT;
1006 new = palloc(option);
1007 new->i_data = find_parsenum(new, option->name, inum_str, NULL);
1014 * True if the file has the same inode (eg hard link) FN
1017 /* f_samefile is just f_inum */
1019 c_samefile(OPTION *option, char ***argvp)
1025 fn = nextarg(option, argvp);
1026 ftsoptions &= ~FTS_NOSTAT;
1028 new = palloc(option);
1031 new->i_data = sb.st_ino;
1036 * -links n functions --
1038 * True if the file has n links.
1041 f_links(PLAN *plan, FTSENT *entry)
1043 COMPARE(entry->fts_statp->st_nlink, plan->l_data);
1047 c_links(OPTION *option, char ***argvp)
1052 nlinks = nextarg(option, argvp);
1053 ftsoptions &= ~FTS_NOSTAT;
1055 new = palloc(option);
1056 new->l_data = (nlink_t)find_parsenum(new, option->name, nlinks, NULL);
1063 * Always true - prints the current entry to stdout in "ls" format.
1066 f_ls(PLAN *plan __unused, FTSENT *entry)
1068 printlong(entry->fts_path, entry->fts_accpath, entry->fts_statp);
1073 c_ls(OPTION *option, char ***argvp __unused)
1075 ftsoptions &= ~FTS_NOSTAT;
1078 return palloc(option);
1082 * -name functions --
1084 * True if the basename of the filename being examined
1085 * matches pattern using Pattern Matching Notation S3.14
1088 f_name(PLAN *plan, FTSENT *entry)
1093 if (plan->flags & F_LINK) {
1095 if (readlink(entry->fts_path, fn, sizeof(fn)) == -1)
1098 name = entry->fts_name;
1099 return !fnmatch(plan->c_data, name,
1100 plan->flags & F_IGNCASE ? FNM_CASEFOLD : 0);
1104 c_name(OPTION *option, char ***argvp)
1109 pattern = nextarg(option, argvp);
1110 new = palloc(option);
1111 new->c_data = pattern;
1116 * -newer file functions --
1118 * True if the current file has been modified more recently
1119 * then the modification time of the file named by the pathname
1123 f_newer(PLAN *plan, FTSENT *entry)
1125 if (plan->flags & F_TIME_C)
1126 return entry->fts_statp->st_ctime > plan->t_data;
1127 else if (plan->flags & F_TIME_A)
1128 return entry->fts_statp->st_atime > plan->t_data;
1129 else if (plan->flags & F_TIME_B)
1130 return entry->fts_statp->st_birthtime > plan->t_data;
1132 return entry->fts_statp->st_mtime > plan->t_data;
1136 c_newer(OPTION *option, char ***argvp)
1142 fn_or_tspec = nextarg(option, argvp);
1143 ftsoptions &= ~FTS_NOSTAT;
1145 new = palloc(option);
1146 /* compare against what */
1147 if (option->flags & F_TIME2_T) {
1148 new->t_data = get_date(fn_or_tspec, (struct timeb *) 0);
1149 if (new->t_data == (time_t) -1)
1150 errx(1, "Can't parse date/time: %s", fn_or_tspec);
1152 if (stat(fn_or_tspec, &sb))
1153 err(1, "%s", fn_or_tspec);
1154 if (option->flags & F_TIME2_C)
1155 new->t_data = sb.st_ctime;
1156 else if (option->flags & F_TIME2_A)
1157 new->t_data = sb.st_atime;
1159 new->t_data = sb.st_mtime;
1165 * -nogroup functions --
1167 * True if file belongs to a user ID for which the equivalent
1168 * of the getgrnam() 9.2.1 [POSIX.1] function returns NULL.
1171 f_nogroup(PLAN *plan __unused, FTSENT *entry)
1173 return group_from_gid(entry->fts_statp->st_gid, 1) == NULL;
1177 c_nogroup(OPTION *option, char ***argvp __unused)
1179 ftsoptions &= ~FTS_NOSTAT;
1181 return palloc(option);
1185 * -nouser functions --
1187 * True if file belongs to a user ID for which the equivalent
1188 * of the getpwuid() 9.2.2 [POSIX.1] function returns NULL.
1191 f_nouser(PLAN *plan __unused, FTSENT *entry)
1193 return user_from_uid(entry->fts_statp->st_uid, 1) == NULL;
1197 c_nouser(OPTION *option, char ***argvp __unused)
1199 ftsoptions &= ~FTS_NOSTAT;
1201 return palloc(option);
1205 * -path functions --
1207 * True if the path of the filename being examined
1208 * matches pattern using Pattern Matching Notation S3.14
1211 f_path(PLAN *plan, FTSENT *entry)
1213 return !fnmatch(plan->c_data, entry->fts_path,
1214 plan->flags & F_IGNCASE ? FNM_CASEFOLD : 0);
1217 /* c_path is the same as c_name */
1220 * -perm functions --
1222 * The mode argument is used to represent file mode bits. If it starts
1223 * with a leading digit, it's treated as an octal mode, otherwise as a
1227 f_perm(PLAN *plan, FTSENT *entry)
1231 mode = entry->fts_statp->st_mode &
1232 (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO);
1233 if (plan->flags & F_ATLEAST)
1234 return (plan->m_data | mode) == mode;
1235 else if (plan->flags & F_ANY)
1236 return (mode & plan->m_data);
1238 return mode == plan->m_data;
1243 c_perm(OPTION *option, char ***argvp)
1249 perm = nextarg(option, argvp);
1250 ftsoptions &= ~FTS_NOSTAT;
1252 new = palloc(option);
1255 new->flags |= F_ATLEAST;
1257 } else if (*perm == '+') {
1258 new->flags |= F_ANY;
1262 if ((set = setmode(perm)) == NULL)
1263 errx(1, "%s: %s: illegal mode string", option->name, perm);
1265 new->m_data = getmode(set, 0);
1271 * -print functions --
1273 * Always true, causes the current pathname to be written to
1277 f_print(PLAN *plan __unused, FTSENT *entry)
1279 (void)puts(entry->fts_path);
1284 c_print(OPTION *option, char ***argvp __unused)
1288 return palloc(option);
1292 * -print0 functions --
1294 * Always true, causes the current pathname to be written to
1295 * standard output followed by a NUL character
1298 f_print0(PLAN *plan __unused, FTSENT *entry)
1300 fputs(entry->fts_path, stdout);
1301 fputc('\0', stdout);
1305 /* c_print0 is the same as c_print */
1308 * -prune functions --
1310 * Prune a portion of the hierarchy.
1313 f_prune(PLAN *plan __unused, FTSENT *entry)
1315 if (fts_set(tree, entry, FTS_SKIP))
1316 err(1, "%s", entry->fts_path);
1320 /* c_prune == c_simple */
1323 * -regex functions --
1325 * True if the whole path of the file matches pattern using
1326 * regular expression.
1329 f_regex(PLAN *plan, FTSENT *entry)
1336 char errbuf[LINE_MAX];
1339 pre = plan->re_data;
1340 str = entry->fts_path;
1347 errcode = regexec(pre, str, 1, &pmatch, REG_STARTEND);
1349 if (errcode != 0 && errcode != REG_NOMATCH) {
1350 regerror(errcode, pre, errbuf, sizeof errbuf);
1352 plan->flags & F_IGNCASE ? "-iregex" : "-regex", errbuf);
1355 if (errcode == 0 && pmatch.rm_so == 0 && pmatch.rm_eo == len)
1362 c_regex(OPTION *option, char ***argvp)
1368 char errbuf[LINE_MAX];
1370 if ((pre = malloc(sizeof(regex_t))) == NULL)
1373 pattern = nextarg(option, argvp);
1375 if ((errcode = regcomp(pre, pattern,
1376 regexp_flags | (option->flags & F_IGNCASE ? REG_ICASE : 0))) != 0) {
1377 regerror(errcode, pre, errbuf, sizeof errbuf);
1378 errx(1, "%s: %s: %s",
1379 option->flags & F_IGNCASE ? "-iregex" : "-regex",
1383 new = palloc(option);
1389 /* c_simple covers c_prune, c_openparen, c_closeparen, c_not, c_or, c_true, c_false */
1392 c_simple(OPTION *option, char ***argvp __unused)
1394 return palloc(option);
1398 * -size n[c] functions --
1400 * True if the file size in bytes, divided by an implementation defined
1401 * value and rounded up to the next integer, is n. If n is followed by
1402 * one of c k M G T P, the size is in bytes, kilobytes,
1403 * megabytes, gigabytes, terabytes or petabytes respectively.
1405 #define FIND_SIZE 512
1406 static int divsize = 1;
1409 f_size(PLAN *plan, FTSENT *entry)
1413 size = divsize ? (entry->fts_statp->st_size + FIND_SIZE - 1) /
1414 FIND_SIZE : entry->fts_statp->st_size;
1415 COMPARE(size, plan->o_data);
1419 c_size(OPTION *option, char ***argvp)
1426 size_str = nextarg(option, argvp);
1427 ftsoptions &= ~FTS_NOSTAT;
1429 new = palloc(option);
1431 new->o_data = find_parsenum(new, option->name, size_str, &endch);
1432 if (endch != '\0') {
1436 case 'c': /* characters */
1439 case 'k': /* kilobytes 1<<10 */
1442 case 'M': /* megabytes 1<<20 */
1445 case 'G': /* gigabytes 1<<30 */
1446 scale = 0x40000000LL;
1448 case 'T': /* terabytes 1<<40 */
1449 scale = 0x1000000000LL;
1451 case 'P': /* petabytes 1<<50 */
1452 scale = 0x4000000000000LL;
1455 errx(1, "%s: %s: illegal trailing character",
1456 option->name, size_str);
1459 if (new->o_data > QUAD_MAX / scale)
1460 errx(1, "%s: %s: value too large",
1461 option->name, size_str);
1462 new->o_data *= scale;
1468 * -type c functions --
1470 * True if the type of the file is c, where c is b, c, d, p, f or w
1471 * for block special file, character special file, directory, FIFO,
1472 * regular file or whiteout respectively.
1475 f_type(PLAN *plan, FTSENT *entry)
1477 return (entry->fts_statp->st_mode & S_IFMT) == plan->m_data;
1481 c_type(OPTION *option, char ***argvp)
1487 typestring = nextarg(option, argvp);
1488 ftsoptions &= ~FTS_NOSTAT;
1490 switch (typestring[0]) {
1515 ftsoptions |= FTS_WHITEOUT;
1517 #endif /* FTS_WHITEOUT */
1519 errx(1, "%s: %s: unknown type", option->name, typestring);
1522 new = palloc(option);
1528 * -user uname functions --
1530 * True if the file belongs to the user uname. If uname is numeric and
1531 * an equivalent of the getpwnam() S9.2.2 [POSIX.1] function does not
1532 * return a valid user name, uname is taken as a user ID.
1535 f_user(PLAN *plan, FTSENT *entry)
1537 COMPARE(entry->fts_statp->st_uid, plan->u_data);
1541 c_user(OPTION *option, char ***argvp)
1548 username = nextarg(option, argvp);
1549 ftsoptions &= ~FTS_NOSTAT;
1551 new = palloc(option);
1552 p = getpwnam(username);
1554 char* cp = username;
1555 if( username[0] == '-' || username[0] == '+' )
1557 uid = atoi(username);
1558 if (uid == 0 && username[0] != '0')
1559 errx(1, "%s: %s: no such user", option->name, username);
1560 uid = find_parsenum(new, option->name, cp, NULL);
1569 * -xdev functions --
1571 * Always true, causes find not to descend past directories that have a
1572 * different device ID (st_dev, see stat() S5.6.2 [POSIX.1])
1575 c_xdev(OPTION *option, char ***argvp __unused)
1577 ftsoptions |= FTS_XDEV;
1579 return palloc(option);
1583 * ( expression ) functions --
1585 * True if expression is true.
1588 f_expr(PLAN *plan, FTSENT *entry)
1593 for (p = plan->p_data[0];
1594 p && (state = (p->execute)(p, entry)); p = p->next);
1599 * f_openparen and f_closeparen nodes are temporary place markers. They are
1600 * eliminated during phase 2 of find_formplan() --- the '(' node is converted
1601 * to a f_expr node containing the expression and the ')' node is discarded.
1602 * The functions themselves are only used as constants.
1606 f_openparen(PLAN *plan __unused, FTSENT *entry __unused)
1612 f_closeparen(PLAN *plan __unused, FTSENT *entry __unused)
1617 /* c_openparen == c_simple */
1618 /* c_closeparen == c_simple */
1621 * AND operator. Since AND is implicit, no node is allocated.
1624 c_and(OPTION *option __unused, char ***argvp __unused)
1630 * ! expression functions --
1632 * Negation of a primary; the unary NOT operator.
1635 f_not(PLAN *plan, FTSENT *entry)
1640 for (p = plan->p_data[0];
1641 p && (state = (p->execute)(p, entry)); p = p->next);
1645 /* c_not == c_simple */
1648 * expression -o expression functions --
1650 * Alternation of primaries; the OR operator. The second expression is
1651 * not evaluated if the first expression is true.
1654 f_or(PLAN *plan, FTSENT *entry)
1659 for (p = plan->p_data[0];
1660 p && (state = (p->execute)(p, entry)); p = p->next);
1665 for (p = plan->p_data[1];
1666 p && (state = (p->execute)(p, entry)); p = p->next);
1670 /* c_or == c_simple */
1678 f_false(PLAN *plan __unused, FTSENT *entry __unused)
1683 /* c_false == c_simple */
1691 f_quit(PLAN *plan __unused, FTSENT *entry __unused)
1696 /* c_quit == c_simple */