libcmd/common/rm.c

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin/***********************************************************************
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin*                                                                      *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin*               This software is part of the ast package               *
3e14f97f673e8a630f076077de35afdd43dc1587Roger A. Faulkner*          Copyright (c) 1992-2010 AT&T Intellectual Property          *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin*                      and is licensed under the                       *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin*                  Common Public License, Version 1.0                  *
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin*                    by AT&T Intellectual Property                     *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin*                                                                      *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin*                A copy of the License is available at                 *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin*            http://www.opensource.org/licenses/cpl1.0.txt             *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin*                                                                      *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin*              Information and Software Systems Research               *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin*                            AT&T Research                             *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin*                           Florham Park NJ                            *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin*                                                                      *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin*                 Glenn Fowler <gsf@research.att.com>                  *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin*                  David Korn <dgk@research.att.com>                   *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin*                                                                      *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin***********************************************************************/
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#pragma prototyped
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin/*
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * Glenn Fowler
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * AT&T Research
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * rm [-fir] [file ...]
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinstatic const char usage[] =
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz"[-?\n@(#)$Id: rm (AT&T Research) 2009-06-18 $\n]"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinUSAGE_LICENSE
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"[+NAME?rm - remove files]"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"[+DESCRIPTION?\brm\b removes the named \afile\a arguments. By default it"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"   does not remove directories. If a file is unwritable, the"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"   standard input is a terminal, and the \b--force\b option is not"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"   given, \brm\b prompts the user for whether to remove the file."
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"   An affirmative response (\by\b or \bY\b) removes the file, a quit"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"   response (\bq\b or \bQ\b) causes \brm\b to exit immediately, and"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"   all other responses skip the current file.]"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"[c|F:clear|clobber?Clear the contents of each file before removing by"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"   writing a 0 filled buffer the same size as the file, executing"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"   \bfsync\b(2) and closing before attempting to remove. Implemented"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"   only on systems that support \bfsync\b(2).]"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"[d:directory?\bremove\b(3) (or \bunlink\b(2)) directories rather than"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"   \brmdir\b(2), and don't require that they be empty before removal."
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"   The caller requires sufficient privilege, not to mention a strong"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"   constitution, to use this option. Even though the directory must"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"   not be empty, \brm\b still attempts to empty it before removal.]"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"[f:force?Ignore nonexistent files and never prompt the user.]"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"[i:interactive|prompt?Prompt whether to remove each file."
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"   An affirmative response (\by\b or \bY\b) removes the file, a quit"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"   response (\bq\b or \bQ\b) causes \brm\b to exit immediately, and"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"   all other responses skip the current file.]"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"[r|R:recursive?Remove the contents of directories recursively.]"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"[u:unconditional?If \b--recursive\b and \b--force\b are also enabled then"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"   the owner read, write and execute modes are enabled (if not already"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"   enabled) for each directory before attempting to remove directory"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"   contents.]"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"[v:verbose?Print the name of each file before removing it.]"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"\n"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"\nfile ...\n"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"\n"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin"[+SEE ALSO?\bmv\b(1), \brmdir\b(2), \bunlink\b(2), \bremove\b(3)]"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#include <cmd.h>
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#include <ls.h>
3e14f97f673e8a630f076077de35afdd43dc1587Roger A. Faulkner#include <fts_fix.h>
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#include <fs3d.h>
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#define RM_ENTRY    1
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#define beenhere(f) (((f)->fts_number>>1)==(f)->fts_statp->st_nlink)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#define isempty(f)  (!((f)->fts_number&RM_ENTRY))
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#define nonempty(f) ((f)->fts_parent->fts_number|=RM_ENTRY)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#define pathchunk(n)    roundof(n,1024)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#define retry(f)    ((f)->fts_number=((f)->fts_statp->st_nlink<<1))
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chintypedef struct State_s          /* program state        */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin{
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz    void*       context;    /* builtin context      */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    int     clobber;    /* clear out file data first    */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    int     directory;  /* remove(dir) not rmdir(dir)   */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    int     force;      /* force actions        */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    int     fs3d;       /* 3d enabled           */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    int     interactive;    /* prompt for approval      */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    int     recursive;  /* remove subtrees too      */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    int     terminal;   /* attached to terminal     */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    int     uid;        /* caller uid           */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    int     unconditional;  /* enable dir rwx on preorder   */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    int     verbose;    /* display each file        */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#if _lib_fsync
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    char        buf[SF_BUFSIZE];/* clobber buffer       */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#endif
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin} State_t;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin/*
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * remove a single file
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinstatic int
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinrm(State_t* state, register FTSENT* ent)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin{
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    register char*  path;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    register int    n;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    int     v;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    struct stat st;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    if (ent->fts_info == FTS_NS || ent->fts_info == FTS_ERR || ent->fts_info == FTS_SLNONE)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        if (!state->force)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            error(2, "%s: not found", ent->fts_path);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    else if (state->fs3d && iview(ent->fts_statp))
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        fts_set(NiL, ent, FTS_SKIP);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    else switch (ent->fts_info)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    case FTS_DNR:
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    case FTS_DNX:
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        if (state->unconditional)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            if (!chmod(ent->fts_name, (ent->fts_statp->st_mode & S_IPERM)|S_IRWXU))
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                fts_set(NiL, ent, FTS_AGAIN);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                break;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            error_info.errors++;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        else if (!state->force)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            error(2, "%s: cannot %s directory", ent->fts_path, (ent->fts_info & FTS_NR) ? "read" : "search");
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        else
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            error_info.errors++;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        fts_set(NiL, ent, FTS_SKIP);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        nonempty(ent);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        break;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    case FTS_D:
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    case FTS_DC:
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        path = ent->fts_name;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        if (path[0] == '.' && (!path[1] || path[1] == '.' && !path[2]) && (ent->fts_level > 0 || path[1]))
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            fts_set(NiL, ent, FTS_SKIP);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            if (!state->force)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                error(2, "%s: cannot remove", ent->fts_path);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            else
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                error_info.errors++;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            break;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        if (!state->recursive)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            fts_set(NiL, ent, FTS_SKIP);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            error(2, "%s: directory", ent->fts_path);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            break;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        if (!beenhere(ent))
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            if (state->unconditional && (ent->fts_statp->st_mode ^ S_IRWXU))
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                chmod(path, (ent->fts_statp->st_mode & S_IPERM)|S_IRWXU);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            if (ent->fts_level > 0)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                char*   s;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                if (ent->fts_accpath == ent->fts_name || !(s = strrchr(ent->fts_accpath, '/')))
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    v = !stat(".", &st);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                else
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    path = ent->fts_accpath;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    *s = 0;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    v = !stat(path, &st);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    *s = '/';
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                if (v)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    v = st.st_nlink <= 2 || st.st_ino == ent->fts_parent->fts_statp->st_ino && st.st_dev == ent->fts_parent->fts_statp->st_dev || strchr(astconf("PATH_ATTRIBUTES", path, NiL), 'l');
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            else
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                v = 1;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            if (v)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                if (state->interactive)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                {
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz                    if ((v = astquery(-1, "remove directory %s? ", ent->fts_path)) < 0 || sh_checksig(state->context))
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                        return -1;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    if (v > 0)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                        fts_set(NiL, ent, FTS_SKIP);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                        nonempty(ent);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                if (ent->fts_info == FTS_D)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    break;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            else
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                ent->fts_info = FTS_DC;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                error(1, "%s: hard link to directory", ent->fts_path);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        else if (ent->fts_info == FTS_D)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            break;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        /*FALLTHROUGH*/
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    case FTS_DP:
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        if (isempty(ent) || state->directory)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            path = ent->fts_name;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            if (path[0] != '.' || path[1])
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                path = ent->fts_accpath;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                if (state->verbose)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    sfputr(sfstdout, ent->fts_path, '\n');
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                if ((ent->fts_info == FTS_DC || state->directory) ? remove(path) : rmdir(path))
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    switch (errno)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    {
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin                    case ENOENT:
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin                        break;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    case EEXIST:
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#if defined(ENOTEMPTY) && (ENOTEMPTY) != (EEXIST)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    case ENOTEMPTY:
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#endif
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                        if (ent->fts_info == FTS_DP && !beenhere(ent))
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                        {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                            retry(ent);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                            fts_set(NiL, ent, FTS_AGAIN);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                            break;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                        }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                        /*FALLTHROUGH*/
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    default:
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                        nonempty(ent);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                        if (!state->force)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                            error(ERROR_SYSTEM|2, "%s: directory not removed", ent->fts_path);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                        else
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                            error_info.errors++;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                        break;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            else if (!state->force)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                error(2, "%s: cannot remove", ent->fts_path);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            else
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                error_info.errors++;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        else
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            nonempty(ent);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            if (!state->force)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                error(2, "%s: directory not removed", ent->fts_path);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            else
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                error_info.errors++;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        break;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    default:
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        path = ent->fts_accpath;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        if (state->verbose)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            sfputr(sfstdout, ent->fts_path, '\n');
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        if (state->interactive)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        {
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz            if ((v = astquery(-1, "remove %s? ", ent->fts_path)) < 0 || sh_checksig(state->context))
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                return -1;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            if (v > 0)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                nonempty(ent);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                break;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        else if (!state->force && state->terminal && S_ISREG(ent->fts_statp->st_mode))
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            if ((n = open(path, O_RDWR)) < 0)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                if (
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#ifdef ENOENT
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    errno != ENOENT &&
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#endif
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#ifdef EROFS
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    errno != EROFS &&
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#endif
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    (v = astquery(-1, "override protection %s for %s? ",
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#ifdef ETXTBSY
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    errno == ETXTBSY ? "``running program''" :
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#endif
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    ent->fts_statp->st_uid != state->uid ? "``not owner''" :
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz                    fmtmode(ent->fts_statp->st_mode & S_IPERM, 0) + 1, ent->fts_path)) < 0 ||
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz                    sh_checksig(state->context))
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                        return -1;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    if (v > 0)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                        nonempty(ent);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                        break;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            else
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                close(n);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#if _lib_fsync
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        if (state->clobber && S_ISREG(ent->fts_statp->st_mode) && ent->fts_statp->st_size > 0)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            if ((n = open(path, O_WRONLY)) < 0)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                error(ERROR_SYSTEM|2, "%s: cannot clear data", ent->fts_path);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            else
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                off_t       c = ent->fts_statp->st_size;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                for (;;)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    if (write(n, state->buf, sizeof(state->buf)) != sizeof(state->buf))
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                        error(ERROR_SYSTEM|2, "%s: data clear error", ent->fts_path);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                        break;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    if (c <= sizeof(state->buf))
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                        break;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                    c -= sizeof(state->buf);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                fsync(n);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin                close(n);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#endif
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        if (remove(path))
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            nonempty(ent);
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin            switch (errno)
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin            {
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin            case ENOENT:
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin                break;
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin            default:
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin                if (!state->force || state->interactive)
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin                    error(ERROR_SYSTEM|2, "%s: not removed", ent->fts_path);
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin                else
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin                    error_info.errors++;
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin                break;
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin            }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        break;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    return 0;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin}
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinint
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinb_rm(int argc, register char** argv, void* context)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin{
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    State_t     state;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    FTS*        fts;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    FTSENT*     ent;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    int     set3d;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    cmdinit(argc, argv, context, ERROR_CATALOG, ERROR_NOTIFY);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    memset(&state, 0, sizeof(state));
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz    state.context = context;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    state.fs3d = fs3d(FS3D_TEST);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    state.terminal = isatty(0);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    for (;;)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        switch (optget(argv, usage))
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        case 'd':
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            state.directory = 1;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            continue;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        case 'f':
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            state.force = 1;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            state.interactive = 0;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            continue;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        case 'i':
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            state.interactive = 1;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            state.force = 0;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            continue;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        case 'r':
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        case 'R':
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            state.recursive = 1;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            continue;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        case 'F':
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#if _lib_fsync
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            state.clobber = 1;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#else
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            error(1, "%s not implemented on this system", opt_info.name);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#endif
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            continue;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        case 'u':
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            state.unconditional = 1;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            continue;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        case 'v':
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            state.verbose = 1;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            continue;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        case '?':
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            error(ERROR_USAGE|4, "%s", opt_info.arg);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            continue;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        case ':':
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            error(2, "%s", opt_info.arg);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin            continue;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        break;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    argv += opt_info.index;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    if (*argv && streq(*argv, "-") && !streq(*(argv - 1), "--"))
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        argv++;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    if (error_info.errors || !*argv)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        error(ERROR_USAGE|4, "%s", optusage(NiL));
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    /*
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin     * do it
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin     */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    if (state.interactive)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        state.verbose = 0;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    state.uid = geteuid();
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    state.unconditional = state.unconditional && state.recursive && state.force;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    if (state.recursive && state.fs3d)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    {
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        set3d = state.fs3d;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        state.fs3d = 0;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        fs3d(0);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    else
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        set3d = 0;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    if (fts = fts_open(argv, FTS_PHYSICAL, NiL))
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    {
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin        while (!sh_checksig(context) && (ent = fts_read(fts)) && !rm(&state, ent));
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        fts_close(fts);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    }
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    else if (!state.force)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        error(ERROR_SYSTEM|2, "%s: cannot remove", argv[0]);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    if (set3d)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin        fs3d(set3d);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin    return error_info.errors != 0;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin}