#ifndef lint
#if 0
static const char sccsid[] = "@(#)function.c 8.10 (Berkeley) 5/4/95";
#endif
#endif
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/usr.bin/find/function.c,v 1.63 2009/09/04 20:01:16 trasz Exp $");
#include <sys/param.h>
#include <sys/ucred.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/acl.h>
#include <sys/wait.h>
#include <sys/mount.h>
#include <sys/timeb.h>
#ifdef __APPLE__
#include <sys/xattr.h>
#endif
#include <dirent.h>
#include <err.h>
#include <errno.h>
#include <fnmatch.h>
#include <fts.h>
#include <grp.h>
#include <limits.h>
#include <pwd.h>
#include <regex.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <ctype.h>
#include "find.h"
#ifdef __APPLE__
#include <sys/sysctl.h>
#include <libgen.h>
#include <get_compat.h>
#else
#define COMPAT_MODE(func, mode) 1
#endif
static PLAN *palloc(OPTION *);
static long long find_parsenum(PLAN *, const char *, char *, char *);
static long long find_parsetime(PLAN *, const char *, char *);
static char *nextarg(OPTION *, char ***);
extern char **environ;
static PLAN *lastexecplus = NULL;
#define COMPARE(a, b) do { \
switch (plan->flags & F_ELG_MASK) { \
case F_EQUAL: \
return (a == b); \
case F_LESSTHAN: \
return (a < b); \
case F_GREATER: \
return (a > b); \
default: \
abort(); \
} \
} while(0)
static PLAN *
palloc(OPTION *option)
{
PLAN *new;
if ((new = malloc(sizeof(PLAN))) == NULL)
err(1, NULL);
new->execute = option->execute;
new->flags = option->flags;
new->next = NULL;
return new;
}
static long long
find_parsenum(PLAN *plan, const char *option, char *vp, char *endch)
{
long long value;
char *endchar, *str;
str = vp;
switch (*str) {
case '+':
++str;
plan->flags |= F_GREATER;
break;
case '-':
++str;
plan->flags |= F_LESSTHAN;
break;
default:
plan->flags |= F_EQUAL;
break;
}
value = strtoq(str, &endchar, 10);
if (value == 0 && endchar == str)
errx(1, "%s: %s: illegal numeric value", option, vp);
if (endchar[0] && endch == NULL)
errx(1, "%s: %s: illegal trailing character", option, vp);
if (endch)
*endch = endchar[0];
return value;
}
static long long
find_parsetime(PLAN *plan, const char *option, char *vp)
{
long long secs, value;
char *str, *unit;
str = vp;
switch (*str) {
case '+':
++str;
plan->flags |= F_GREATER;
break;
case '-':
++str;
plan->flags |= F_LESSTHAN;
break;
default:
plan->flags |= F_EQUAL;
break;
}
value = strtoq(str, &unit, 10);
if (value == 0 && unit == str) {
errx(1, "%s: %s: illegal time value", option, vp);
}
if (*unit == '\0')
return value;
secs = 0;
for (;;) {
switch(*unit) {
case 's':
secs += value;
break;
case 'm':
secs += value * 60;
break;
case 'h':
secs += value * 3600;
break;
case 'd':
secs += value * 86400;
break;
case 'w':
secs += value * 604800;
break;
default:
errx(1, "%s: %s: bad unit '%c'", option, vp, *unit);
}
str = unit + 1;
if (*str == '\0')
break;
value = strtoq(str, &unit, 10);
if (value == 0 && unit == str) {
errx(1, "%s: %s: illegal time value", option, vp);
}
if (*unit == '\0') {
errx(1, "%s: %s: missing trailing unit", option, vp);
}
}
plan->flags |= F_EXACTTIME;
return secs;
}
static char *
nextarg(OPTION *option, char ***argvp)
{
char *arg;
if ((arg = **argvp) == 0)
errx(1, "%s: requires additional arguments", option->name);
(*argvp)++;
return arg;
}
#define TIME_CORRECT(p) \
if (((p)->flags & F_ELG_MASK) == F_LESSTHAN) \
++((p)->t_data);
int
f_Xmin(PLAN *plan, FTSENT *entry)
{
if (plan->flags & F_TIME_C) {
COMPARE((now - entry->fts_statp->st_ctime +
60 - 1) / 60, plan->t_data);
} else if (plan->flags & F_TIME_A) {
COMPARE((now - entry->fts_statp->st_atime +
60 - 1) / 60, plan->t_data);
} else if (plan->flags & F_TIME_B) {
COMPARE((now - entry->fts_statp->st_birthtime +
60 - 1) / 60, plan->t_data);
} else {
COMPARE((now - entry->fts_statp->st_mtime +
60 - 1) / 60, plan->t_data);
}
}
PLAN *
c_Xmin(OPTION *option, char ***argvp)
{
char *nmins;
PLAN *new;
nmins = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
new = palloc(option);
new->t_data = find_parsenum(new, option->name, nmins, NULL);
TIME_CORRECT(new);
return new;
}
int
f_Xtime(PLAN *plan, FTSENT *entry)
{
time_t xtime;
if (plan->flags & F_TIME_A)
xtime = entry->fts_statp->st_atime;
else if (plan->flags & F_TIME_B)
xtime = entry->fts_statp->st_birthtime;
else if (plan->flags & F_TIME_C)
xtime = entry->fts_statp->st_ctime;
else
xtime = entry->fts_statp->st_mtime;
if (plan->flags & F_EXACTTIME)
COMPARE(now - xtime, plan->t_data);
else
COMPARE((now - xtime + (COMPAT_MODE("bin/find", "unix2003") ? 0 : 86400 - 1)) / 86400, plan->t_data);
}
PLAN *
c_Xtime(OPTION *option, char ***argvp)
{
char *value;
PLAN *new;
value = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
new = palloc(option);
new->t_data = find_parsetime(new, option->name, value);
if (!(new->flags & F_EXACTTIME) && !COMPAT_MODE("bin/find", "unix2003"))
TIME_CORRECT(new);
return new;
}
PLAN *
c_mXXdepth(OPTION *option, char ***argvp)
{
char *dstr;
PLAN *new;
dstr = nextarg(option, argvp);
if (dstr[0] == '-')
errx(1, "%s: %s: value must be positive", option->name, dstr);
new = palloc(option);
if (option->flags & F_MAXDEPTH)
maxdepth = find_parsenum(new, option->name, dstr, NULL);
else
mindepth = find_parsenum(new, option->name, dstr, NULL);
return new;
}
#ifdef __APPLE__
int
f_acl(PLAN *plan __unused, FTSENT *entry)
{
acl_t facl;
int match;
acl_entry_t ae;
match = 0;
if ((facl = acl_get_link_np(entry->fts_accpath, ACL_TYPE_EXTENDED)) != NULL) {
if (acl_get_entry(facl, ACL_FIRST_ENTRY, &ae) == 0) {
match = 1;
}
acl_free(facl);
}
return match;
}
#else
int
f_acl(PLAN *plan __unused, FTSENT *entry)
{
acl_t facl;
acl_type_t acl_type;
int acl_supported = 0, ret, trivial;
if (S_ISLNK(entry->fts_statp->st_mode))
return 0;
ret = pathconf(entry->fts_accpath, _PC_ACL_NFS4);
if (ret > 0) {
acl_supported = 1;
acl_type = ACL_TYPE_NFS4;
} else if (ret < 0 && errno != EINVAL) {
warn("%s", entry->fts_accpath);
return (0);
}
if (acl_supported == 0) {
ret = pathconf(entry->fts_accpath, _PC_ACL_EXTENDED);
if (ret > 0) {
acl_supported = 1;
acl_type = ACL_TYPE_ACCESS;
} else if (ret < 0 && errno != EINVAL) {
warn("%s", entry->fts_accpath);
return (0);
}
}
if (acl_supported == 0)
return (0);
facl = acl_get_file(entry->fts_accpath, acl_type);
if (facl == NULL) {
warn("%s", entry->fts_accpath);
return (0);
}
ret = acl_is_trivial_np(facl, &trivial);
acl_free(facl);
if (ret) {
warn("%s", entry->fts_accpath);
acl_free(facl);
return (0);
}
if (trivial)
return (0);
return (1);
}
#endif
PLAN *
c_acl(OPTION *option, char ***argvp __unused)
{
#ifndef __APPLE__
ftsoptions &= ~FTS_NOSTAT;
#endif
return (palloc(option));
}
#ifdef __APPLE__
int
f_xattr(PLAN *plan __unused, FTSENT *entry)
{
ssize_t xattr;
int match;
match = 0;
xattr = listxattr(entry->fts_accpath, NULL, 0, XATTR_NOFOLLOW);
if (xattr > 0) {
match = 1;
}
return match;
}
int
f_xattrname(PLAN *plan, FTSENT *entry)
{
ssize_t xattr;
int match;
match = 0;
xattr = getxattr(entry->fts_accpath, plan->c_data, NULL, 0, 0, XATTR_NOFOLLOW);
if (xattr > 0) {
match = 1;
}
return match;
}
#endif
int
f_delete(PLAN *plan __unused, FTSENT *entry)
{
if (strcmp(entry->fts_accpath, ".") == 0 ||
strcmp(entry->fts_accpath, "..") == 0)
return 1;
if (isdepth == 0 ||
(ftsoptions & FTS_NOSTAT))
errx(1, "-delete: insecure options got turned on");
if (!(ftsoptions & FTS_PHYSICAL) ||
(ftsoptions & FTS_LOGICAL))
errx(1, "-delete: forbidden when symlinks are followed");
if (strchr(entry->fts_accpath, '/') != NULL)
errx(1, "-delete: %s: relative path potentially not safe",
entry->fts_accpath);
if ((entry->fts_statp->st_flags & (UF_APPEND|UF_IMMUTABLE)) &&
!(entry->fts_statp->st_flags & (SF_APPEND|SF_IMMUTABLE)) &&
geteuid() == 0)
lchflags(entry->fts_accpath,
entry->fts_statp->st_flags &= ~(UF_APPEND|UF_IMMUTABLE));
if (S_ISDIR(entry->fts_statp->st_mode)) {
if (rmdir(entry->fts_accpath) < 0 && errno != ENOTEMPTY)
warn("-delete: rmdir(%s)", entry->fts_path);
} else {
if (unlink(entry->fts_accpath) < 0)
warn("-delete: unlink(%s)", entry->fts_path);
}
return 1;
}
PLAN *
c_delete(OPTION *option, char ***argvp __unused)
{
ftsoptions &= ~FTS_NOSTAT;
isoutput = 1;
isdepth = 1;
return palloc(option);
}
int
f_always_true(PLAN *plan __unused, FTSENT *entry __unused)
{
return 1;
}
int
f_depth(PLAN *plan, FTSENT *entry)
{
if (plan->flags & F_DEPTH)
COMPARE(entry->fts_level, plan->d_data);
else
return 1;
}
PLAN *
c_depth(OPTION *option, char ***argvp)
{
PLAN *new;
char *str;
new = palloc(option);
str = **argvp;
if (str && !(new->flags & F_DEPTH)) {
if (*str == '+' || *str == '-')
str++;
if (*str == '+' || *str == '-')
str++;
if (isdigit(*str))
new->flags |= F_DEPTH;
}
if (new->flags & F_DEPTH) {
char *ndepth;
ndepth = nextarg(option, argvp);
new->d_data = find_parsenum(new, option->name, ndepth, NULL);
} else {
isdepth = 1;
}
return new;
}
int
f_empty(PLAN *plan __unused, FTSENT *entry)
{
if (S_ISREG(entry->fts_statp->st_mode) &&
entry->fts_statp->st_size == 0)
return 1;
if (S_ISDIR(entry->fts_statp->st_mode)) {
struct dirent *dp;
int empty;
DIR *dir;
empty = 1;
dir = opendir(entry->fts_accpath);
if (dir == NULL)
err(1, "%s", entry->fts_accpath);
for (dp = readdir(dir); dp; dp = readdir(dir))
if (dp->d_name[0] != '.' ||
(dp->d_name[1] != '\0' &&
(dp->d_name[1] != '.' || dp->d_name[2] != '\0'))) {
empty = 0;
break;
}
closedir(dir);
return empty;
}
return 0;
}
PLAN *
c_empty(OPTION *option, char ***argvp __unused)
{
ftsoptions &= ~FTS_NOSTAT;
return palloc(option);
}
int
f_exec(PLAN *plan, FTSENT *entry)
{
int cnt;
pid_t pid;
int status;
char *file;
if (entry == NULL && plan->flags & F_EXECPLUS) {
if (plan->e_ppos == plan->e_pbnum)
return (1);
plan->e_argv[plan->e_ppos] = NULL;
goto doexec;
}
if ((plan->flags & F_EXECDIR) && \
(file = strrchr(entry->fts_path, '/')))
file++;
else
file = entry->fts_path;
if (plan->flags & F_EXECPLUS) {
if ((plan->e_argv[plan->e_ppos] = strdup(file)) == NULL)
err(1, NULL);
plan->e_len[plan->e_ppos] = strlen(file);
plan->e_psize += plan->e_len[plan->e_ppos];
if (++plan->e_ppos < plan->e_pnummax &&
plan->e_psize < plan->e_psizemax)
return (1);
plan->e_argv[plan->e_ppos] = NULL;
} else {
for (cnt = 0; plan->e_argv[cnt]; ++cnt)
if (plan->e_len[cnt])
brace_subst(plan->e_orig[cnt],
&plan->e_argv[cnt], file,
plan->e_len[cnt]);
}
doexec: if ((plan->flags & F_NEEDOK) && !queryuser(plan->e_argv))
return 0;
fflush(stdout);
fflush(stderr);
switch (pid = fork()) {
case -1:
err(1, "fork");
case 0:
if (!(plan->flags & F_EXECDIR) && fchdir(dotfd)) {
warn("chdir");
_exit(1);
}
execvp(plan->e_argv[0], plan->e_argv);
warn("%s", plan->e_argv[0]);
_exit(1);
}
if (plan->flags & F_EXECPLUS) {
while (--plan->e_ppos >= plan->e_pbnum)
free(plan->e_argv[plan->e_ppos]);
plan->e_ppos = plan->e_pbnum;
plan->e_psize = plan->e_pbsize;
}
pid = waitpid(pid, &status, 0);
if (plan->flags & F_EXECPLUS && WIFEXITED(status) && WEXITSTATUS(status))
_exit(WEXITSTATUS(status));
return (pid != -1 && WIFEXITED(status) && !WEXITSTATUS(status));
}
PLAN *
c_exec(OPTION *option, char ***argvp)
{
PLAN *new;
long argmax;
int cnt, i;
char **argv, **ap, **ep, *p;
isoutput = 1;
new = palloc(option);
for (ap = argv = *argvp;; ++ap) {
if (!*ap)
errx(1,
"%s: no terminating \";\" or \"+\"", option->name);
if (**ap == ';')
break;
if (**ap == '+' && ap != argv && strcmp(*(ap - 1), "{}") == 0) {
new->flags |= F_EXECPLUS;
break;
}
}
if (ap == argv)
errx(1, "%s: no command specified", option->name);
cnt = ap - *argvp + 1;
if (new->flags & F_EXECPLUS) {
new->e_ppos = new->e_pbnum = cnt - 2;
if ((argmax = sysconf(_SC_ARG_MAX)) == -1) {
warn("sysconf(_SC_ARG_MAX)");
argmax = _POSIX_ARG_MAX;
}
argmax -= 1024;
for (ep = environ; *ep != NULL; ep++)
argmax -= strlen(*ep) + 1 + sizeof(*ep);
argmax -= 1 + sizeof(*ep);
new->e_pnummax = argmax / 16;
argmax -= sizeof(char *) * new->e_pnummax;
if (argmax <= 0)
errx(1, "no space for arguments");
new->e_psizemax = argmax;
new->e_pbsize = 0;
cnt += new->e_pnummax + 1;
new->e_next = lastexecplus;
lastexecplus = new;
}
if ((new->e_argv = malloc(cnt * sizeof(char *))) == NULL)
err(1, NULL);
if ((new->e_orig = malloc(cnt * sizeof(char *))) == NULL)
err(1, NULL);
if ((new->e_len = malloc(cnt * sizeof(int))) == NULL)
err(1, NULL);
for (argv = *argvp, cnt = 0; argv < ap; ++argv, ++cnt) {
new->e_orig[cnt] = *argv;
if (new->flags & F_EXECPLUS)
new->e_pbsize += strlen(*argv) + 1;
for (p = *argv; *p; ++p)
if (!(new->flags & F_EXECPLUS) && p[0] == '{' &&
p[1] == '}') {
if ((new->e_argv[cnt] =
malloc(MAXPATHLEN)) == NULL)
err(1, NULL);
new->e_len[cnt] = MAXPATHLEN;
break;
}
if (!*p) {
new->e_argv[cnt] = *argv;
new->e_len[cnt] = 0;
}
}
if (new->flags & F_EXECPLUS) {
new->e_psize = new->e_pbsize;
cnt--;
for (i = 0; i < new->e_pnummax; i++) {
new->e_argv[cnt] = NULL;
new->e_len[cnt] = 0;
cnt++;
}
argv = ap;
goto done;
}
new->e_argv[cnt] = new->e_orig[cnt] = NULL;
done: *argvp = argv + 1;
return new;
}
void
finish_execplus()
{
PLAN *p;
p = lastexecplus;
while (p != NULL) {
(p->execute)(p, NULL);
p = p->e_next;
}
}
int
f_flags(PLAN *plan, FTSENT *entry)
{
u_long flags;
flags = entry->fts_statp->st_flags;
if (plan->flags & F_ATLEAST)
return (flags | plan->fl_flags) == flags &&
!(flags & plan->fl_notflags);
else if (plan->flags & F_ANY)
return (flags & plan->fl_flags) ||
(flags | plan->fl_notflags) != flags;
else
return flags == plan->fl_flags &&
!(plan->fl_flags & plan->fl_notflags);
}
PLAN *
c_flags(OPTION *option, char ***argvp)
{
char *flags_str;
PLAN *new;
u_long flags, notflags;
flags_str = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
new = palloc(option);
if (*flags_str == '-') {
new->flags |= F_ATLEAST;
flags_str++;
} else if (*flags_str == '+') {
new->flags |= F_ANY;
flags_str++;
}
if (strtofflags(&flags_str, &flags, ¬flags) == 1)
errx(1, "%s: %s: illegal flags string", option->name, flags_str);
new->fl_flags = flags;
new->fl_notflags = notflags;
return new;
}
PLAN *
c_follow(OPTION *option, char ***argvp __unused)
{
ftsoptions &= ~FTS_PHYSICAL;
ftsoptions |= FTS_LOGICAL;
return palloc(option);
}
int
f_fstype(PLAN *plan, FTSENT *entry)
{
static dev_t curdev;
static int first = 1;
struct statfs sb;
static int val_type, val_flags;
char *p, save[2] = {0,0};
if ((plan->flags & F_MTMASK) == F_MTUNKNOWN)
return 0;
if (first || curdev != entry->fts_statp->st_dev) {
curdev = entry->fts_statp->st_dev;
if (entry->fts_info == FTS_SL ||
entry->fts_info == FTS_SLNONE) {
if ((p = strrchr(entry->fts_accpath, '/')) != NULL)
++p;
else
p = entry->fts_accpath;
save[0] = p[0];
p[0] = '.';
save[1] = p[1];
p[1] = '\0';
} else
p = NULL;
if (statfs(entry->fts_accpath, &sb))
err(1, "%s", entry->fts_accpath);
if (p) {
p[0] = save[0];
p[1] = save[1];
}
first = 0;
val_flags = sb.f_flags;
val_type = sb.f_type;
}
switch (plan->flags & F_MTMASK) {
case F_MTFLAG:
return val_flags & plan->mt_data;
case F_MTTYPE:
return val_type == plan->mt_data;
default:
abort();
}
}
PLAN *
c_fstype(OPTION *option, char ***argvp)
{
char *fsname;
PLAN *new;
struct vfsconf vfc;
fsname = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
new = palloc(option);
if (getvfsbyname(fsname, &vfc) == 0) {
new->flags |= F_MTTYPE;
new->mt_data = vfc.vfc_typenum;
return new;
}
switch (*fsname) {
case 'l':
if (!strcmp(fsname, "local")) {
new->flags |= F_MTFLAG;
new->mt_data = MNT_LOCAL;
return new;
}
break;
case 'r':
if (!strcmp(fsname, "rdonly")) {
new->flags |= F_MTFLAG;
new->mt_data = MNT_RDONLY;
return new;
}
break;
}
fprintf(stderr, "Warning: Unknown filesystem type %s\n", fsname);
new->flags |= F_MTUNKNOWN;
return new;
}
int
f_group(PLAN *plan, FTSENT *entry)
{
COMPARE(entry->fts_statp->st_gid, plan->g_data);
}
PLAN *
c_group(OPTION *option, char ***argvp)
{
char *gname;
PLAN *new;
struct group *g;
gid_t gid;
gname = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
new = palloc(option);
g = getgrnam(gname);
if (g == NULL) {
char* cp = gname;
if (gname[0] == '-' || gname[0] == '+')
gname++;
gid = atoi(gname);
if (gid == 0 && gname[0] != '0')
errx(1, "%s: %s: no such group", option->name, gname);
gid = find_parsenum(new, option->name, cp, NULL);
} else
gid = g->gr_gid;
new->g_data = gid;
return new;
}
int
f_inum(PLAN *plan, FTSENT *entry)
{
COMPARE(entry->fts_statp->st_ino, plan->i_data);
}
PLAN *
c_inum(OPTION *option, char ***argvp)
{
char *inum_str;
PLAN *new;
inum_str = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
new = palloc(option);
new->i_data = find_parsenum(new, option->name, inum_str, NULL);
return new;
}
PLAN *
c_samefile(OPTION *option, char ***argvp)
{
char *fn;
PLAN *new;
struct stat sb;
fn = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
new = palloc(option);
if (stat(fn, &sb))
err(1, "%s", fn);
new->i_data = sb.st_ino;
return new;
}
int
f_links(PLAN *plan, FTSENT *entry)
{
COMPARE(entry->fts_statp->st_nlink, plan->l_data);
}
PLAN *
c_links(OPTION *option, char ***argvp)
{
char *nlinks;
PLAN *new;
nlinks = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
new = palloc(option);
new->l_data = (nlink_t)find_parsenum(new, option->name, nlinks, NULL);
return new;
}
int
f_ls(PLAN *plan __unused, FTSENT *entry)
{
printlong(entry->fts_path, entry->fts_accpath, entry->fts_statp);
return 1;
}
PLAN *
c_ls(OPTION *option, char ***argvp __unused)
{
ftsoptions &= ~FTS_NOSTAT;
isoutput = 1;
return palloc(option);
}
int
f_name(PLAN *plan, FTSENT *entry)
{
char fn[PATH_MAX];
const char *name;
if (plan->flags & F_LINK) {
name = fn;
if (readlink(entry->fts_accpath, fn, sizeof(fn)) == -1)
return 0;
} else if (entry->fts_namelen == 0) {
name = basename(entry->fts_path);
} else
name = entry->fts_name;
return !fnmatch(plan->c_data, name,
plan->flags & F_IGNCASE ? FNM_CASEFOLD : 0);
}
PLAN *
c_name(OPTION *option, char ***argvp)
{
char *pattern;
PLAN *new;
pattern = nextarg(option, argvp);
new = palloc(option);
new->c_data = pattern;
return new;
}
int
f_newer(PLAN *plan, FTSENT *entry)
{
if (plan->flags & F_TIME_C)
return entry->fts_statp->st_ctime > plan->t_data;
else if (plan->flags & F_TIME_A)
return entry->fts_statp->st_atime > plan->t_data;
else if (plan->flags & F_TIME_B)
return entry->fts_statp->st_birthtime > plan->t_data;
else
return entry->fts_statp->st_mtime > plan->t_data;
}
PLAN *
c_newer(OPTION *option, char ***argvp)
{
char *fn_or_tspec;
PLAN *new;
struct stat sb;
fn_or_tspec = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
new = palloc(option);
if (option->flags & F_TIME2_T) {
new->t_data = get_date(fn_or_tspec, (struct timeb *) 0);
if (new->t_data == (time_t) -1)
errx(1, "Can't parse date/time: %s", fn_or_tspec);
} else {
if (stat(fn_or_tspec, &sb))
err(1, "%s", fn_or_tspec);
if (option->flags & F_TIME2_C)
new->t_data = sb.st_ctime;
else if (option->flags & F_TIME2_A)
new->t_data = sb.st_atime;
else
new->t_data = sb.st_mtime;
}
return new;
}
int
f_nogroup(PLAN *plan __unused, FTSENT *entry)
{
return group_from_gid(entry->fts_statp->st_gid, 1) == NULL;
}
PLAN *
c_nogroup(OPTION *option, char ***argvp __unused)
{
ftsoptions &= ~FTS_NOSTAT;
return palloc(option);
}
int
f_nouser(PLAN *plan __unused, FTSENT *entry)
{
return user_from_uid(entry->fts_statp->st_uid, 1) == NULL;
}
PLAN *
c_nouser(OPTION *option, char ***argvp __unused)
{
ftsoptions &= ~FTS_NOSTAT;
return palloc(option);
}
int
f_path(PLAN *plan, FTSENT *entry)
{
return !fnmatch(plan->c_data, entry->fts_path,
plan->flags & F_IGNCASE ? FNM_CASEFOLD : 0);
}
int
f_perm(PLAN *plan, FTSENT *entry)
{
mode_t mode;
mode = entry->fts_statp->st_mode &
(S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO);
if (plan->flags & F_ATLEAST)
return (plan->m_data | mode) == mode;
else if (plan->flags & F_ANY)
return (mode & plan->m_data);
else
return mode == plan->m_data;
}
PLAN *
c_perm(OPTION *option, char ***argvp)
{
char *perm;
PLAN *new;
mode_t *set;
perm = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
new = palloc(option);
if (*perm == '-') {
new->flags |= F_ATLEAST;
++perm;
} else if (*perm == '+') {
if ((set = setmode(perm + 1)) != NULL) {
new->flags |= F_ANY;
++perm;
free(set);
}
}
if ((set = setmode(perm)) == NULL)
errx(1, "%s: %s: illegal mode string", option->name, perm);
new->m_data = getmode(set, 0);
free(set);
return new;
}
int
f_print(PLAN *plan __unused, FTSENT *entry)
{
(void)puts(entry->fts_path);
return 1;
}
PLAN *
c_print(OPTION *option, char ***argvp __unused)
{
isoutput = 1;
return palloc(option);
}
int
f_print0(PLAN *plan __unused, FTSENT *entry)
{
fputs(entry->fts_path, stdout);
fputc('\0', stdout);
return 1;
}
int
f_prune(PLAN *plan __unused, FTSENT *entry)
{
if (fts_set(tree, entry, FTS_SKIP))
err(1, "%s", entry->fts_path);
return 1;
}
int
f_regex(PLAN *plan, FTSENT *entry)
{
char *str;
int len;
regex_t *pre;
regmatch_t pmatch;
int errcode;
char errbuf[LINE_MAX];
int matched;
pre = plan->re_data;
str = entry->fts_path;
len = strlen(str);
matched = 0;
pmatch.rm_so = 0;
pmatch.rm_eo = len;
errcode = regexec(pre, str, 1, &pmatch, REG_STARTEND);
if (errcode != 0 && errcode != REG_NOMATCH) {
regerror(errcode, pre, errbuf, sizeof errbuf);
errx(1, "%s: %s",
plan->flags & F_IGNCASE ? "-iregex" : "-regex", errbuf);
}
if (errcode == 0 && pmatch.rm_so == 0 && pmatch.rm_eo == len)
matched = 1;
return matched;
}
PLAN *
c_regex(OPTION *option, char ***argvp)
{
PLAN *new;
char *pattern;
regex_t *pre;
int errcode;
char errbuf[LINE_MAX];
if ((pre = malloc(sizeof(regex_t))) == NULL)
err(1, NULL);
pattern = nextarg(option, argvp);
if ((errcode = regcomp(pre, pattern,
regexp_flags | (option->flags & F_IGNCASE ? REG_ICASE : 0))) != 0) {
regerror(errcode, pre, errbuf, sizeof errbuf);
errx(1, "%s: %s: %s",
option->flags & F_IGNCASE ? "-iregex" : "-regex",
pattern, errbuf);
}
new = palloc(option);
new->re_data = pre;
return new;
}
PLAN *
c_simple(OPTION *option, char ***argvp __unused)
{
return palloc(option);
}
#define FIND_SIZE 512
static int divsize = 1;
int
f_size(PLAN *plan, FTSENT *entry)
{
off_t size;
size = divsize ? (entry->fts_statp->st_size + FIND_SIZE - 1) /
FIND_SIZE : entry->fts_statp->st_size;
COMPARE(size, plan->o_data);
}
PLAN *
c_size(OPTION *option, char ***argvp)
{
char *size_str;
PLAN *new;
char endch;
off_t scale;
size_str = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
new = palloc(option);
endch = 'c';
new->o_data = find_parsenum(new, option->name, size_str, &endch);
if (endch != '\0') {
divsize = 0;
switch (endch) {
case 'c':
scale = 0x1LL;
break;
case 'k':
scale = 0x400LL;
break;
case 'M':
scale = 0x100000LL;
break;
case 'G':
scale = 0x40000000LL;
break;
case 'T':
scale = 0x1000000000LL;
break;
case 'P':
scale = 0x4000000000000LL;
break;
default:
errx(1, "%s: %s: illegal trailing character",
option->name, size_str);
break;
}
if (new->o_data > QUAD_MAX / scale)
errx(1, "%s: %s: value too large",
option->name, size_str);
new->o_data *= scale;
}
return new;
}
int
f_type(PLAN *plan, FTSENT *entry)
{
return (entry->fts_statp->st_mode & S_IFMT) == plan->m_data;
}
PLAN *
c_type(OPTION *option, char ***argvp)
{
char *typestring;
PLAN *new;
mode_t mask;
typestring = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
switch (typestring[0]) {
case 'b':
mask = S_IFBLK;
break;
case 'c':
mask = S_IFCHR;
break;
case 'd':
mask = S_IFDIR;
break;
case 'f':
mask = S_IFREG;
break;
case 'l':
mask = S_IFLNK;
break;
case 'p':
mask = S_IFIFO;
break;
case 's':
mask = S_IFSOCK;
break;
#ifdef FTS_WHITEOUT
case 'w':
mask = S_IFWHT;
ftsoptions |= FTS_WHITEOUT;
break;
#endif
default:
errx(1, "%s: %s: unknown type", option->name, typestring);
}
new = palloc(option);
new->m_data = mask;
return new;
}
int
f_user(PLAN *plan, FTSENT *entry)
{
COMPARE(entry->fts_statp->st_uid, plan->u_data);
}
PLAN *
c_user(OPTION *option, char ***argvp)
{
char *username;
PLAN *new;
struct passwd *p;
uid_t uid;
username = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
new = palloc(option);
p = getpwnam(username);
if (p == NULL) {
char* cp = username;
if( username[0] == '-' || username[0] == '+' )
username++;
uid = atoi(username);
if (uid == 0 && username[0] != '0')
errx(1, "%s: %s: no such user", option->name, username);
uid = find_parsenum(new, option->name, cp, NULL);
} else
uid = p->pw_uid;
new->u_data = uid;
return new;
}
PLAN *
c_xdev(OPTION *option, char ***argvp __unused)
{
ftsoptions |= FTS_XDEV;
return palloc(option);
}
int
f_expr(PLAN *plan, FTSENT *entry)
{
PLAN *p;
int state = 0;
for (p = plan->p_data[0];
p && (state = (p->execute)(p, entry)); p = p->next);
return state;
}
int
f_openparen(PLAN *plan __unused, FTSENT *entry __unused)
{
abort();
}
int
f_closeparen(PLAN *plan __unused, FTSENT *entry __unused)
{
abort();
}
PLAN *
c_and(OPTION *option __unused, char ***argvp __unused)
{
return NULL;
}
int
f_not(PLAN *plan, FTSENT *entry)
{
PLAN *p;
int state = 0;
for (p = plan->p_data[0];
p && (state = (p->execute)(p, entry)); p = p->next);
return !state;
}
int
f_or(PLAN *plan, FTSENT *entry)
{
PLAN *p;
int state = 0;
for (p = plan->p_data[0];
p && (state = (p->execute)(p, entry)); p = p->next);
if (state)
return 1;
for (p = plan->p_data[1];
p && (state = (p->execute)(p, entry)); p = p->next);
return state;
}
int
f_false(PLAN *plan __unused, FTSENT *entry __unused)
{
return 0;
}
int
f_quit(PLAN *plan __unused, FTSENT *entry __unused)
{
exit(0);
}