static int
rm(State_t* state, register FTSENT* ent)
{
register char* path;
register int n;
int v;
struct stat st;
if (ent->fts_info == FTS_NS || ent->fts_info == FTS_ERR || ent->fts_info == FTS_SLNONE)
{
if (!state->force)
error(2, "%s: not found", ent->fts_path);
}
else if (state->fs3d && iview(ent->fts_statp))
fts_set(NiL, ent, FTS_SKIP);
else switch (ent->fts_info)
{
case FTS_DNR:
case FTS_DNX:
if (state->unconditional)
{
if (!beenhere(ent))
break;
if (!chmod(ent->fts_name, (ent->fts_statp->st_mode & S_IPERM)|S_IRWXU))
{
fts_set(NiL, ent, FTS_AGAIN);
break;
}
error_info.errors++;
}
else if (!state->force)
error(2, "%s: cannot %s directory", ent->fts_path, (ent->fts_info & FTS_NR) ? "read" : "search");
else
error_info.errors++;
fts_set(NiL, ent, FTS_SKIP);
nonempty(ent);
break;
case FTS_D:
case FTS_DC:
path = ent->fts_name;
if (path[0] == '.' && (!path[1] || path[1] == '.' && !path[2]) && (ent->fts_level > 0 || path[1]))
{
fts_set(NiL, ent, FTS_SKIP);
if (!state->force)
error(2, "%s: cannot remove", ent->fts_path);
else
error_info.errors++;
break;
}
if (!state->recursive)
{
fts_set(NiL, ent, FTS_SKIP);
error(2, "%s: directory", ent->fts_path);
break;
}
if (!beenhere(ent))
{
if (state->unconditional && (ent->fts_statp->st_mode & S_IRWXU) != S_IRWXU)
chmod(path, (ent->fts_statp->st_mode & S_IPERM)|S_IRWXU);
if (ent->fts_level > 0)
{
char* s;
if (ent->fts_accpath == ent->fts_name || !(s = strrchr(ent->fts_accpath, '/')))
v = !stat(".", &st);
else
{
path = ent->fts_accpath;
*s = 0;
v = !stat(path, &st);
*s = '/';
}
if (v)
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');
}
else
v = 1;
if (v)
{
if (state->interactive)
{
if ((v = astquery(-1, "remove directory %s? ", ent->fts_path)) < 0 || sh_checksig(state->context))
return -1;
if (v > 0)
{
fts_set(NiL, ent, FTS_SKIP);
nonempty(ent);
}
}
if (ent->fts_info == FTS_D)
break;
}
else
{
ent->fts_info = FTS_DC;
error(1, "%s: hard link to directory", ent->fts_path);
}
}
else if (ent->fts_info == FTS_D)
break;
/*FALLTHROUGH*/
case FTS_DP:
if (isempty(ent) || state->directory)
{
path = ent->fts_name;
if (path[0] != '.' || path[1])
{
path = ent->fts_accpath;
if (state->verbose)
sfputr(sfstdout, ent->fts_path, '\n');
if ((ent->fts_info == FTS_DC || state->directory) ? remove(path) : rmdir(path))
switch (errno)
{
case ENOENT:
break;
case EEXIST:
#if defined(ENOTEMPTY) && (ENOTEMPTY) != (EEXIST)
case ENOTEMPTY:
#endif
if (ent->fts_info == FTS_DP && !beenhere(ent))
{
retry(ent);
fts_set(NiL, ent, FTS_AGAIN);
break;
}
/*FALLTHROUGH*/
default:
nonempty(ent);
if (!state->force)
error(ERROR_SYSTEM|2, "%s: directory not removed", ent->fts_path);
else
error_info.errors++;
break;
}
}
else if (!state->force)
error(2, "%s: cannot remove", ent->fts_path);
else
error_info.errors++;
}
else
{
nonempty(ent);
if (!state->force)
error(2, "%s: directory not removed", ent->fts_path);
else
error_info.errors++;
}
break;
default:
path = ent->fts_accpath;
if (state->verbose)
sfputr(sfstdout, ent->fts_path, '\n');
if (state->interactive)
{
if ((v = astquery(-1, "remove %s? ", ent->fts_path)) < 0 || sh_checksig(state->context))
return -1;
if (v > 0)
{
nonempty(ent);
break;
}
}
else if (!state->force && state->terminal && eaccess(path, W_OK))
{
if ((v = astquery(-1, "override protection %s for %s? ",
#ifdef ETXTBSY
errno == ETXTBSY ? "``running program''" :
#endif
ent->fts_statp->st_uid != state->uid ? "``not owner''" :
fmtmode(ent->fts_statp->st_mode & S_IPERM, 0) + 1, ent->fts_path)) < 0 ||
sh_checksig(state->context))
return -1;
if (v > 0)
{
nonempty(ent);
break;
}
}
#if _lib_fsync
if (state->clobber && S_ISREG(ent->fts_statp->st_mode) && ent->fts_statp->st_size > 0)
{
if ((n = open(path, O_WRONLY)) < 0)
error(ERROR_SYSTEM|2, "%s: cannot clear data", ent->fts_path);
else
{
off_t c = ent->fts_statp->st_size;
for (;;)
{
if (write(n, state->buf, sizeof(state->buf)) != sizeof(state->buf))
{
error(ERROR_SYSTEM|2, "%s: data clear error", ent->fts_path);
break;
}
if (c <= sizeof(state->buf))
break;
c -= sizeof(state->buf);
}
fsync(n);
close(n);
}
}
#endif
if (remove(path))
{
nonempty(ent);
switch (errno)
{
case ENOENT:
break;
default:
if (!state->force || state->interactive)
error(ERROR_SYSTEM|2, "%s: not removed", ent->fts_path);
else
error_info.errors++;
break;
}
}
break;
}
return 0;
}
int
b_rm(int argc, register char** argv, void* context)
{
State_t state;
FTS* fts;
FTSENT* ent;
int set3d;
cmdinit(argc, argv, context, ERROR_CATALOG, ERROR_NOTIFY);
memset(&state, 0, sizeof(state));
state.context = context;
state.fs3d = fs3d(FS3D_TEST);
state.terminal = isatty(0);
for (;;)
{
switch (optget(argv, usage))
{
case 'd':
state.directory = 1;
continue;
case 'f':
state.force = 1;
state.interactive = 0;
continue;
case 'i':
state.interactive = 1;
state.force = 0;
continue;
case 'r':
case 'R':
state.recursive = 1;
continue;
case 'F':
#if _lib_fsync
state.clobber = 1;
#else
error(1, "%s not implemented on this system", opt_info.name);
#endif
continue;
case 'u':
state.unconditional = 1;
continue;
case 'v':
state.verbose = 1;
continue;
case '?':
error(ERROR_USAGE|4, "%s", opt_info.arg);
break;
case ':':
error(2, "%s", opt_info.arg);
break;
}
break;
}
argv += opt_info.index;
if (*argv && streq(*argv, "-") && !streq(*(argv - 1), "--"))
argv++;
if (error_info.errors || !*argv)
error(ERROR_USAGE|4, "%s", optusage(NiL));
/*
* do it
*/
if (state.interactive)
state.verbose = 0;
state.uid = geteuid();
state.unconditional = state.unconditional && state.recursive && state.force;
if (state.recursive && state.fs3d)
{
set3d = state.fs3d;
state.fs3d = 0;
fs3d(0);
}
else
set3d = 0;
if (fts = fts_open(argv, FTS_PHYSICAL, NiL))
{
while (!sh_checksig(context) && (ent = fts_read(fts)) && !rm(&state, ent));
fts_close(fts);
}
else if (!state.force)
error(ERROR_SYSTEM|2, "%s: cannot remove", argv[0]);
if (set3d)
fs3d(set3d);
return error_info.errors != 0;
}
int
b_mktemp(int argc, char** argv, Shbltin_t* context)
{
mode_t mode = 0;
mode_t mask;
int fd;
int i;
int quiet = 0;
int unsafe = 0;
int* fdp = &fd;
char* dir = "";
char* pfx;
char* t;
char path[PATH_MAX];
cmdinit(argc, argv, context, ERROR_CATALOG, ERROR_NOTIFY);
for (;;)
{
switch (optget(argv, usage))
{
case 'd':
fdp = 0;
continue;
case 'm':
mode = strperm(pfx = opt_info.arg, &opt_info.arg, S_IRWXU);
if (*opt_info.arg)
error(ERROR_exit(0), "%s: invalid mode", pfx);
continue;
case 'p':
if ((t = getenv("TMPDIR")) && *t)
dir = 0;
else
dir = opt_info.arg;
continue;
case 'q':
quiet = 1;
continue;
case 't':
dir = 0;
continue;
case 'u':
unsafe = 1;
fdp = 0;
continue;
case 'R':
if (!pathtemp(NiL, 0, opt_info.arg, "/seed", NiL))
error(2, "%s: regression test initializtion failed", opt_info.arg);
continue;
case ':':
error(2, "%s", opt_info.arg);
break;
case '?':
error(ERROR_usage(2), "%s", opt_info.arg);
break;
}
break;
}
argv += opt_info.index;
if (error_info.errors || (pfx = *argv++) && *argv)
error(ERROR_usage(2), "%s", optusage(NiL));
mask = umask(0);
if (!mode)
mode = (fdp ? (S_IRUSR|S_IWUSR) : S_IRWXU) & ~mask;
umask(~mode & (S_IRWXU|S_IRWXG|S_IRWXO));
if (!pfx)
{
pfx = "tmp_";
if (dir && !*dir)
dir = 0;
}
if (t = strrchr(pfx, '/'))
{
i = ++t - pfx;
dir = fmtbuf(i);
memcpy(dir, pfx, i);
dir[i] = 0;
pfx = t;
}
for (;;)
{
if (!pathtemp(path, sizeof(path), dir, pfx, fdp))
{
if (quiet)
error_info.errors++;
else
error(ERROR_SYSTEM|2, "cannot create temporary path");
break;
}
if (fdp || unsafe || !mkdir(path, mode))
{
if (fdp)
close(*fdp);
sfputr(sfstdout, path, '\n');
break;
}
if (sh_checksig(context))
{
error_info.errors++;
break;
}
}
umask(mask);
return error_info.errors != 0;
}
