2011-05-25 23:01:20 -04:00
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/* See LICENSE file for copyright and license details. */
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2015-02-14 15:02:41 -05:00
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#include <sys/stat.h>
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2011-05-25 23:01:20 -04:00
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#include <dirent.h>
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#include <grp.h>
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#include <pwd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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2014-11-13 12:29:30 -05:00
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2015-02-17 12:59:01 -05:00
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#include "utf.h"
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2011-05-25 23:01:20 -04:00
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#include "util.h"
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2015-02-16 13:20:06 -05:00
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struct entry {
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char *name;
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mode_t mode, tmode;
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2011-05-25 23:01:20 -04:00
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nlink_t nlink;
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2015-02-16 13:20:06 -05:00
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uid_t uid;
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gid_t gid;
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off_t size;
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time_t t;
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ino_t ino;
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};
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2011-05-25 23:01:20 -04:00
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2014-11-13 15:24:47 -05:00
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static int aflag = 0;
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2015-01-20 11:50:37 -05:00
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static int cflag = 0;
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2014-11-13 15:24:47 -05:00
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static int dflag = 0;
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static int Fflag = 0;
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2014-12-07 20:33:52 -05:00
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static int Hflag = 0;
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2014-11-13 15:24:47 -05:00
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static int hflag = 0;
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static int iflag = 0;
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2014-12-07 20:33:52 -05:00
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static int Lflag = 0;
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2014-11-13 15:24:47 -05:00
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static int lflag = 0;
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2015-02-17 12:59:01 -05:00
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static int qflag = 0;
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2014-11-13 15:24:47 -05:00
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static int rflag = 0;
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static int tflag = 0;
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static int Uflag = 0;
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2015-02-18 11:29:46 -05:00
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static int uflag = 0;
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2014-11-13 15:24:47 -05:00
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static int first = 1;
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static int many;
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2011-05-25 23:01:20 -04:00
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2013-06-14 14:20:47 -04:00
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static void
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2015-02-16 13:20:06 -05:00
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mkent(struct entry *ent, char *path, int dostat, int follow)
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2011-05-25 23:01:20 -04:00
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{
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struct stat st;
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2015-02-16 13:20:06 -05:00
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ent->name = path;
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2014-11-13 12:29:30 -05:00
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if (!dostat)
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2013-07-18 15:14:53 -04:00
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return;
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2014-12-07 20:33:52 -05:00
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if ((follow ? stat : lstat)(path, &st) < 0)
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eprintf("%s %s:", follow ? "stat" : "lstat", path);
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2015-02-16 13:20:06 -05:00
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ent->mode = st.st_mode;
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ent->nlink = st.st_nlink;
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ent->uid = st.st_uid;
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ent->gid = st.st_gid;
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ent->size = st.st_size;
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2015-02-18 11:29:46 -05:00
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if (cflag)
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ent->t = st.st_ctime;
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else if (uflag)
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ent->t = st.st_atime;
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else
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ent->t = st.st_mtime;
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2015-02-16 13:20:06 -05:00
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ent->ino = st.st_ino;
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2014-12-07 20:33:52 -05:00
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if (S_ISLNK(ent->mode))
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ent->tmode = stat(path, &st) == 0 ? st.st_mode : 0;
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2011-05-25 23:01:20 -04:00
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}
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2014-06-01 08:59:47 -04:00
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static char *
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2014-02-17 09:41:09 -05:00
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indicator(mode_t mode)
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{
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2014-11-13 12:29:30 -05:00
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if (!Fflag)
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return "";
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2014-11-13 12:29:30 -05:00
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if (S_ISLNK(mode))
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2014-02-17 09:41:09 -05:00
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return "@";
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2014-11-13 12:29:30 -05:00
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else if (S_ISDIR(mode))
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return "/";
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2014-11-13 12:29:30 -05:00
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else if (S_ISFIFO(mode))
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2014-02-17 09:41:09 -05:00
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return "|";
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2014-11-13 12:29:30 -05:00
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else if (S_ISSOCK(mode))
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2014-02-17 09:41:09 -05:00
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return "=";
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2015-02-16 13:20:06 -05:00
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else if (mode & S_IXUSR || mode & S_IXGRP || mode & S_IXOTH)
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2014-02-17 09:41:09 -05:00
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return "*";
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else
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return "";
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}
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2014-06-01 08:59:47 -04:00
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static void
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2015-02-16 13:20:06 -05:00
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output(const struct entry *ent)
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2011-05-25 23:01:20 -04:00
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{
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struct group *gr;
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struct passwd *pw;
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2015-02-16 13:20:06 -05:00
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ssize_t len;
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char buf[BUFSIZ], *fmt,
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pwname[_SC_LOGIN_NAME_MAX], grname[_SC_LOGIN_NAME_MAX],
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mode[] = "----------";
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2011-05-25 23:01:20 -04:00
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2013-09-27 10:32:50 -04:00
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if (iflag)
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printf("%lu ", (unsigned long)ent->ino);
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2014-11-13 12:29:30 -05:00
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if (!lflag) {
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2014-02-17 09:41:09 -05:00
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printf("%s%s\n", ent->name, indicator(ent->mode));
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2011-05-25 23:01:20 -04:00
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return;
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}
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2014-11-13 12:29:30 -05:00
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if (S_ISREG(ent->mode))
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2011-05-25 23:01:20 -04:00
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mode[0] = '-';
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2014-11-13 12:29:30 -05:00
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else if (S_ISBLK(ent->mode))
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2011-05-25 23:01:20 -04:00
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mode[0] = 'b';
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2014-11-13 12:29:30 -05:00
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else if (S_ISCHR(ent->mode))
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2011-05-25 23:01:20 -04:00
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mode[0] = 'c';
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2014-11-13 12:29:30 -05:00
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else if (S_ISDIR(ent->mode))
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2011-05-25 23:01:20 -04:00
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mode[0] = 'd';
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2014-11-13 12:29:30 -05:00
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else if (S_ISFIFO(ent->mode))
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2011-05-25 23:01:20 -04:00
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mode[0] = 'p';
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2014-11-13 12:29:30 -05:00
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else if (S_ISLNK(ent->mode))
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2011-05-25 23:01:20 -04:00
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mode[0] = 'l';
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2014-11-13 12:29:30 -05:00
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else if (S_ISSOCK(ent->mode))
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2011-05-25 23:01:20 -04:00
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mode[0] = 's';
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else
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mode[0] = '?';
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2014-11-13 12:29:30 -05:00
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if (ent->mode & S_IRUSR) mode[1] = 'r';
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if (ent->mode & S_IWUSR) mode[2] = 'w';
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if (ent->mode & S_IXUSR) mode[3] = 'x';
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if (ent->mode & S_IRGRP) mode[4] = 'r';
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if (ent->mode & S_IWGRP) mode[5] = 'w';
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if (ent->mode & S_IXGRP) mode[6] = 'x';
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if (ent->mode & S_IROTH) mode[7] = 'r';
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if (ent->mode & S_IWOTH) mode[8] = 'w';
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if (ent->mode & S_IXOTH) mode[9] = 'x';
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2011-05-27 18:56:43 -04:00
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2014-11-13 12:29:30 -05:00
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if (ent->mode & S_ISUID) mode[3] = (mode[3] == 'x') ? 's' : 'S';
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if (ent->mode & S_ISGID) mode[6] = (mode[6] == 'x') ? 's' : 'S';
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if (ent->mode & S_ISVTX) mode[9] = (mode[9] == 'x') ? 't' : 'T';
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2011-05-25 23:01:20 -04:00
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pw = getpwuid(ent->uid);
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2014-12-21 16:58:09 -05:00
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if (pw)
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2015-02-16 13:20:06 -05:00
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snprintf(pwname, LEN(pwname), "%s", pw->pw_name);
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2014-12-21 16:58:09 -05:00
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else
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2015-02-16 13:20:06 -05:00
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snprintf(pwname, LEN(pwname), "%d", ent->uid);
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2011-05-25 23:01:20 -04:00
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gr = getgrgid(ent->gid);
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2014-12-21 16:58:09 -05:00
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if (gr)
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2015-02-16 13:20:06 -05:00
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snprintf(grname, LEN(grname), "%s", gr->gr_name);
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2014-12-21 16:58:09 -05:00
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else
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2015-02-16 13:20:06 -05:00
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snprintf(grname, LEN(grname), "%d", ent->gid);
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2011-05-25 23:01:20 -04:00
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2015-02-16 13:20:06 -05:00
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if (time(NULL) > ent->t + (180 * 24 * 60 * 60)) /* 6 months ago? */
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2011-06-04 07:40:05 -04:00
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fmt = "%b %d %Y";
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2011-05-25 23:01:20 -04:00
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else
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fmt = "%b %d %H:%M";
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2015-02-16 13:20:06 -05:00
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strftime(buf, sizeof(buf), fmt, localtime(&ent->t));
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2014-10-19 05:48:04 -04:00
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printf("%s %4ld %-8.8s %-8.8s ", mode, (long)ent->nlink, pwname, grname);
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2014-11-13 12:29:30 -05:00
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if (hflag)
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2014-10-19 05:48:04 -04:00
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printf("%10s ", humansize((unsigned long)ent->size));
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else
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printf("%10lu ", (unsigned long)ent->size);
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printf("%s %s%s", buf, ent->name, indicator(ent->mode));
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2014-11-13 12:29:30 -05:00
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if (S_ISLNK(ent->mode)) {
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2015-02-16 13:20:06 -05:00
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if ((len = readlink(ent->name, buf, sizeof(buf) - 1)) < 0)
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2011-06-04 07:40:05 -04:00
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eprintf("readlink %s:", ent->name);
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buf[len] = '\0';
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2014-12-07 20:33:52 -05:00
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printf(" -> %s%s", buf, indicator(ent->tmode));
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2011-06-04 07:40:05 -04:00
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}
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putchar('\n');
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2011-05-25 23:01:20 -04:00
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}
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2015-02-16 13:20:06 -05:00
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static int
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entcmp(const void *va, const void *vb)
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{
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const struct entry *a = va, *b = vb;
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if (tflag)
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return b->t - a->t;
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else
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return strcmp(a->name, b->name);
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}
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static void
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lsdir(const char *path)
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{
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DIR *dp;
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2015-02-17 12:59:01 -05:00
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Rune r;
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2015-02-16 13:20:06 -05:00
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struct entry ent, *ents = NULL;
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struct dirent *d;
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2015-02-18 10:55:57 -05:00
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size_t i, n = 0, len;
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char *cwd, *p, *q, *name;
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2015-02-16 13:20:06 -05:00
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cwd = agetcwd();
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if (!(dp = opendir(path)))
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eprintf("opendir %s:", path);
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if (chdir(path) < 0)
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eprintf("chdir %s:", path);
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if (many) {
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if (!first)
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putchar('\n');
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printf("%s:\n", path);
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first = 0;
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}
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while ((d = readdir(dp))) {
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if (d->d_name[0] == '.' && !aflag)
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continue;
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if (Uflag){
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mkent(&ent, d->d_name, Fflag || lflag || iflag, Lflag);
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output(&ent);
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} else {
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ents = erealloc(ents, ++n * sizeof(*ents));
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2015-02-18 11:43:18 -05:00
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name = p = emalloc(strlen(d->d_name) + 1);
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2015-02-17 12:59:01 -05:00
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if (qflag) {
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q = d->d_name;
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2015-02-18 11:43:18 -05:00
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while (*q) {
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len = chartorune(&r, q);
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2015-02-17 12:59:01 -05:00
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if (isprintrune(r)) {
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2015-02-18 10:55:57 -05:00
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memcpy(p, q, len);
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p += len, q += len;
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} else {
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*p++ = '?';
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q += len;
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2015-02-17 12:59:01 -05:00
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}
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}
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2015-02-18 11:43:18 -05:00
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*p = '\0';
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2015-02-17 12:59:01 -05:00
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}
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2015-02-18 10:55:57 -05:00
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mkent(&ents[n - 1], name, tflag || Fflag || lflag || iflag, Lflag);
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2015-02-16 13:20:06 -05:00
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}
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}
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closedir(dp);
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if (!Uflag){
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qsort(ents, n, sizeof(*ents), entcmp);
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for (i = 0; i < n; i++) {
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output(&ents[rflag ? (n - i - 1) : i]);
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free(ents[rflag ? (n - i - 1) : i].name);
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}
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}
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if (chdir(cwd) < 0)
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eprintf("chdir %s:", cwd);
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free(ents);
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free(cwd);
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}
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static void
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ls(const struct entry *ent)
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{
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if ((S_ISDIR(ent->mode) || (S_ISLNK(ent->mode) &&
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S_ISDIR(ent->tmode) && !Fflag && !lflag)) && !dflag)
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lsdir(ent->name);
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else
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output(ent);
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}
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static void
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usage(void)
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{
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2015-02-18 11:29:46 -05:00
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eprintf("usage: %s [-1acdFHhiLlqrtUu] [file ...]\n", argv0);
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2015-02-16 13:20:06 -05:00
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}
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int
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main(int argc, char *argv[])
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{
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struct entry *ents;
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size_t i;
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ARGBEGIN {
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case '1':
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/* ignore */
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break;
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case 'a':
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aflag = 1;
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break;
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case 'c':
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cflag = 1;
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2015-02-18 11:29:46 -05:00
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uflag = 0;
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2015-02-16 13:20:06 -05:00
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break;
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case 'd':
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dflag = 1;
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break;
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case 'F':
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Fflag = 1;
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break;
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case 'H':
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Hflag = 1;
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break;
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case 'h':
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hflag = 1;
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break;
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case 'i':
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iflag = 1;
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break;
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case 'L':
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Lflag = 1;
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break;
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case 'l':
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|
|
lflag = 1;
|
|
|
|
break;
|
2015-02-17 12:59:01 -05:00
|
|
|
case 'q':
|
|
|
|
qflag = 1;
|
|
|
|
break;
|
2015-02-16 13:20:06 -05:00
|
|
|
case 'r':
|
|
|
|
rflag = 1;
|
|
|
|
break;
|
|
|
|
case 't':
|
|
|
|
tflag = 1;
|
|
|
|
break;
|
|
|
|
case 'U':
|
|
|
|
Uflag = 1;
|
|
|
|
break;
|
2015-02-18 11:29:46 -05:00
|
|
|
case 'u':
|
|
|
|
uflag = 1;
|
|
|
|
cflag = 0;
|
|
|
|
break;
|
2015-02-16 13:20:06 -05:00
|
|
|
default:
|
|
|
|
usage();
|
|
|
|
} ARGEND;
|
|
|
|
|
|
|
|
many = (argc > 1);
|
|
|
|
if (argc == 0)
|
|
|
|
*--argv = ".", argc++;
|
|
|
|
|
|
|
|
ents = emalloc(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]);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|