mirror of git://git.suckless.org/sbase
354 lines
6.8 KiB
C
354 lines
6.8 KiB
C
/* See LICENSE file for copyright and license details. */
|
|
#include <sys/stat.h>
|
|
|
|
#include <dirent.h>
|
|
#include <grp.h>
|
|
#include <pwd.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
|
|
#include "utf.h"
|
|
#include "util.h"
|
|
|
|
struct entry {
|
|
char *name;
|
|
mode_t mode, tmode;
|
|
nlink_t nlink;
|
|
uid_t uid;
|
|
gid_t gid;
|
|
off_t size;
|
|
time_t t;
|
|
ino_t ino;
|
|
};
|
|
|
|
static int Aflag = 0;
|
|
static int aflag = 0;
|
|
static int cflag = 0;
|
|
static int dflag = 0;
|
|
static int Fflag = 0;
|
|
static int Hflag = 0;
|
|
static int hflag = 0;
|
|
static int iflag = 0;
|
|
static int Lflag = 0;
|
|
static int lflag = 0;
|
|
static int nflag = 0;
|
|
static int pflag = 0;
|
|
static int qflag = 0;
|
|
static int Rflag = 0;
|
|
static int rflag = 0;
|
|
static int tflag = 0;
|
|
static int Uflag = 0;
|
|
static int uflag = 0;
|
|
static int first = 1;
|
|
static int many;
|
|
|
|
static void ls(const struct entry *ent, int recurse);
|
|
|
|
static void
|
|
mkent(struct entry *ent, char *path, int dostat, int follow)
|
|
{
|
|
struct stat st;
|
|
|
|
ent->name = path;
|
|
if (!dostat)
|
|
return;
|
|
if ((follow ? stat : lstat)(path, &st) < 0)
|
|
eprintf("%s %s:", follow ? "stat" : "lstat", path);
|
|
ent->mode = st.st_mode;
|
|
ent->nlink = st.st_nlink;
|
|
ent->uid = st.st_uid;
|
|
ent->gid = st.st_gid;
|
|
ent->size = st.st_size;
|
|
if (cflag)
|
|
ent->t = st.st_ctime;
|
|
else if (uflag)
|
|
ent->t = st.st_atime;
|
|
else
|
|
ent->t = st.st_mtime;
|
|
ent->ino = st.st_ino;
|
|
if (S_ISLNK(ent->mode))
|
|
ent->tmode = stat(path, &st) == 0 ? st.st_mode : 0;
|
|
}
|
|
|
|
static char *
|
|
indicator(mode_t mode)
|
|
{
|
|
if (pflag || Fflag)
|
|
if (S_ISDIR(mode))
|
|
return "/";
|
|
|
|
if (Fflag) {
|
|
if (S_ISLNK(mode))
|
|
return "@";
|
|
else if (S_ISFIFO(mode))
|
|
return "|";
|
|
else if (S_ISSOCK(mode))
|
|
return "=";
|
|
else if (mode & S_IXUSR || mode & S_IXGRP || mode & S_IXOTH)
|
|
return "*";
|
|
}
|
|
|
|
return "";
|
|
}
|
|
|
|
static void
|
|
output(const struct entry *ent)
|
|
{
|
|
struct group *gr;
|
|
struct passwd *pw;
|
|
ssize_t len;
|
|
char buf[BUFSIZ], *fmt,
|
|
pwname[_SC_LOGIN_NAME_MAX], grname[_SC_LOGIN_NAME_MAX],
|
|
mode[] = "----------";
|
|
|
|
if (iflag)
|
|
printf("%lu ", (unsigned long)ent->ino);
|
|
if (!lflag) {
|
|
printf("%s%s\n", ent->name, indicator(ent->mode));
|
|
return;
|
|
}
|
|
if (S_ISREG(ent->mode))
|
|
mode[0] = '-';
|
|
else if (S_ISBLK(ent->mode))
|
|
mode[0] = 'b';
|
|
else if (S_ISCHR(ent->mode))
|
|
mode[0] = 'c';
|
|
else if (S_ISDIR(ent->mode))
|
|
mode[0] = 'd';
|
|
else if (S_ISFIFO(ent->mode))
|
|
mode[0] = 'p';
|
|
else if (S_ISLNK(ent->mode))
|
|
mode[0] = 'l';
|
|
else if (S_ISSOCK(ent->mode))
|
|
mode[0] = 's';
|
|
else
|
|
mode[0] = '?';
|
|
|
|
if (ent->mode & S_IRUSR) mode[1] = 'r';
|
|
if (ent->mode & S_IWUSR) mode[2] = 'w';
|
|
if (ent->mode & S_IXUSR) mode[3] = 'x';
|
|
if (ent->mode & S_IRGRP) mode[4] = 'r';
|
|
if (ent->mode & S_IWGRP) mode[5] = 'w';
|
|
if (ent->mode & S_IXGRP) mode[6] = 'x';
|
|
if (ent->mode & S_IROTH) mode[7] = 'r';
|
|
if (ent->mode & S_IWOTH) mode[8] = 'w';
|
|
if (ent->mode & S_IXOTH) mode[9] = 'x';
|
|
|
|
if (ent->mode & S_ISUID) mode[3] = (mode[3] == 'x') ? 's' : 'S';
|
|
if (ent->mode & S_ISGID) mode[6] = (mode[6] == 'x') ? 's' : 'S';
|
|
if (ent->mode & S_ISVTX) mode[9] = (mode[9] == 'x') ? 't' : 'T';
|
|
|
|
if (!nflag && (pw = getpwuid(ent->uid)))
|
|
snprintf(pwname, LEN(pwname), "%s", pw->pw_name);
|
|
else
|
|
snprintf(pwname, LEN(pwname), "%d", ent->uid);
|
|
|
|
if (!nflag && (gr = getgrgid(ent->gid)))
|
|
snprintf(grname, LEN(grname), "%s", gr->gr_name);
|
|
else
|
|
snprintf(grname, LEN(grname), "%d", ent->gid);
|
|
|
|
if (time(NULL) > ent->t + (180 * 24 * 60 * 60)) /* 6 months ago? */
|
|
fmt = "%b %d %Y";
|
|
else
|
|
fmt = "%b %d %H:%M";
|
|
|
|
strftime(buf, sizeof(buf), fmt, localtime(&ent->t));
|
|
printf("%s %4ld %-8.8s %-8.8s ", mode, (long)ent->nlink, pwname, grname);
|
|
|
|
if (hflag)
|
|
printf("%10s ", humansize((unsigned long)ent->size));
|
|
else
|
|
printf("%10lu ", (unsigned long)ent->size);
|
|
printf("%s %s%s", buf, ent->name, indicator(ent->mode));
|
|
if (S_ISLNK(ent->mode)) {
|
|
if ((len = readlink(ent->name, buf, sizeof(buf) - 1)) < 0)
|
|
eprintf("readlink %s:", ent->name);
|
|
buf[len] = '\0';
|
|
printf(" -> %s%s", buf, indicator(ent->tmode));
|
|
}
|
|
putchar('\n');
|
|
}
|
|
|
|
static int
|
|
entcmp(const void *va, const void *vb)
|
|
{
|
|
const struct entry *a = va, *b = vb;
|
|
|
|
if (tflag)
|
|
return b->t - a->t;
|
|
else
|
|
return strcmp(a->name, b->name);
|
|
}
|
|
|
|
static void
|
|
lsdir(const char *path)
|
|
{
|
|
DIR *dp;
|
|
Rune r;
|
|
struct entry ent, *ents = NULL;
|
|
struct dirent *d;
|
|
size_t i, n = 0, len;
|
|
char *cwd, *p, *q, *name;
|
|
|
|
cwd = agetcwd();
|
|
if (!(dp = opendir(path)))
|
|
eprintf("opendir %s:", path);
|
|
if (chdir(path) < 0)
|
|
eprintf("chdir %s:", path);
|
|
|
|
if (many || Rflag) {
|
|
if (!first)
|
|
putchar('\n');
|
|
printf("%s:\n", path);
|
|
}
|
|
first = 0;
|
|
|
|
while ((d = readdir(dp))) {
|
|
if (d->d_name[0] == '.' && !aflag && !Aflag)
|
|
continue;
|
|
else if (Aflag)
|
|
if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0)
|
|
continue;
|
|
if (Uflag){
|
|
mkent(&ent, d->d_name, Fflag || lflag || pflag || iflag || Rflag, Lflag);
|
|
ls(&ent, Rflag);
|
|
} else {
|
|
ents = ereallocarray(ents, ++n, sizeof(*ents));
|
|
name = p = estrdup(d->d_name);
|
|
if (qflag) {
|
|
q = d->d_name;
|
|
while (*q) {
|
|
len = chartorune(&r, q);
|
|
if (isprintrune(r)) {
|
|
memcpy(p, q, len);
|
|
p += len, q += len;
|
|
} else {
|
|
*p++ = '?';
|
|
q += len;
|
|
}
|
|
}
|
|
*p = '\0';
|
|
}
|
|
mkent(&ents[n - 1], name, tflag || Fflag || iflag || lflag || pflag || Rflag, Lflag);
|
|
}
|
|
}
|
|
closedir(dp);
|
|
if (!Uflag){
|
|
qsort(ents, n, sizeof(*ents), entcmp);
|
|
for (i = 0; i < n; i++) {
|
|
ls(&ents[rflag ? (n - i - 1) : i], Rflag);
|
|
free(ents[rflag ? (n - i - 1) : i].name);
|
|
}
|
|
}
|
|
if (chdir(cwd) < 0)
|
|
eprintf("chdir %s:", cwd);
|
|
free(ents);
|
|
free(cwd);
|
|
}
|
|
|
|
static void
|
|
ls(const struct entry *ent, int recurse)
|
|
{
|
|
if (recurse && (S_ISDIR(ent->mode) || (S_ISLNK(ent->mode) &&
|
|
S_ISDIR(ent->tmode) && !Fflag && !lflag)) && !dflag)
|
|
lsdir(ent->name);
|
|
else
|
|
output(ent);
|
|
}
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
eprintf("usage: %s [-1AacdFHhiLlqRrtUu] [file ...]\n", argv0);
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
struct entry *ents;
|
|
size_t i;
|
|
|
|
ARGBEGIN {
|
|
case '1':
|
|
/* ignore */
|
|
break;
|
|
case 'A':
|
|
Aflag = 1;
|
|
break;
|
|
case 'a':
|
|
aflag = 1;
|
|
break;
|
|
case 'c':
|
|
cflag = 1;
|
|
uflag = 0;
|
|
break;
|
|
case 'd':
|
|
dflag = 1;
|
|
break;
|
|
case 'F':
|
|
Fflag = 1;
|
|
break;
|
|
case 'H':
|
|
Hflag = 1;
|
|
break;
|
|
case 'h':
|
|
hflag = 1;
|
|
break;
|
|
case 'i':
|
|
iflag = 1;
|
|
break;
|
|
case 'L':
|
|
Lflag = 1;
|
|
break;
|
|
case 'l':
|
|
lflag = 1;
|
|
break;
|
|
case 'n':
|
|
lflag = 1;
|
|
nflag = 1;
|
|
break;
|
|
case 'p':
|
|
pflag = 1;
|
|
break;
|
|
case 'q':
|
|
qflag = 1;
|
|
break;
|
|
case 'R':
|
|
Rflag = 1;
|
|
break;
|
|
case 'r':
|
|
rflag = 1;
|
|
break;
|
|
case 't':
|
|
tflag = 1;
|
|
break;
|
|
case 'U':
|
|
Uflag = 1;
|
|
break;
|
|
case 'u':
|
|
uflag = 1;
|
|
cflag = 0;
|
|
break;
|
|
default:
|
|
usage();
|
|
} ARGEND;
|
|
|
|
many = (argc > 1);
|
|
if (argc == 0)
|
|
*--argv = ".", argc++;
|
|
|
|
ents = ereallocarray(NULL, argc, sizeof(*ents));
|
|
|
|
for (i = 0; i < argc; i++)
|
|
mkent(&ents[i], argv[i], 1, Hflag || Lflag);
|
|
qsort(ents, argc, sizeof(*ents), entcmp);
|
|
for (i = 0; i < argc; i++)
|
|
ls(&ents[rflag ? argc-i-1 : i], 1);
|
|
|
|
return 0;
|
|
}
|