/* -*-c-*-
- *
- * $Id: tmpdir.c,v 1.5 2004/04/08 01:36:22 mdw Exp $
*
* Choose and check temporary directories
*
* (c) 1999 Mark Wooding
*/
-/*----- Licensing notice --------------------------------------------------*
+/*----- Licensing notice --------------------------------------------------*
*
* This file is part of chkpath.
*
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* chkpath is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
+ *
* You should have received a copy of the GNU General Public License
* along with chkpath; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
/*----- Header files ------------------------------------------------------*/
+#include "config.h"
+
#include <errno.h>
+#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include <pwd.h>
+#include <grp.h>
#include <mLib/alloc.h>
#include <mLib/dstr.h>
+#include <mLib/macros.h>
#include <mLib/mdwopt.h>
#include <mLib/quis.h>
#include <mLib/report.h>
#include "checkpath.h"
+#include "utils.h"
/*----- Static variables --------------------------------------------------*/
* and @*f@ is set, then try to create the directory.
*/
+static void complain(const char *p, const char *msg, int err)
+{
+ dstr d = DSTR_INIT;
+
+ if (!cp.cp_verbose) return;
+ dstr_putf(&d, "Path: %s: %s", p, msg);
+ if (err) dstr_putf(&d, ": %s", strerror(err));
+ moan(d.buf);
+ dstr_destroy(&d);
+}
+
static int ok(const char *p, int *f)
{
struct stat st;
/* --- Maybe create it if it doesn't exist --- */
- if (errno != ENOENT || !f || !*f)
+ if (errno != ENOENT || !f || !*f) {
+ complain(p, "can't stat", errno);
return (0);
+ }
if (mkdir(p, 0700)) {
+ complain(p, "can't create", errno);
*f = 0;
return (0);
}
* the @mkdir@.
*/
- if (lstat(p, &st))
+ if (lstat(p, &st)) {
+ complain(p, "can't stat after creating", errno);
return (0);
+ }
}
/* --- Make sure the directory is good --- *
* and writable only by its owner, and that owner must be me.
*/
- if (S_ISDIR(st.st_mode) && (st.st_mode & 0777) == 0700 && st.st_uid == me)
+ if (!S_ISDIR(st.st_mode))
+ complain(p, "not a directory", 0);
+ else if (st.st_uid != me)
+ complain(p, "not owner", 0);
+ else if ((st.st_mode & 0777) != 0700)
+ complain(p, "non-owner access permitted", 0);
+ else
return (1);
return (0);
}
*/
static int fullcheck(const char *p)
-{
- return (checkpath(p, &cp) == 0 && ok(p, 0));
-}
+ { return (checkpath(p, &cp) == 0 && ok(p, 0)); }
/* --- @goodtmp@ --- *
*
return (0);
}
+/* --- @report@ --- */
+
+static void report(unsigned what, int verbose,
+ const char *p, const char *msg,
+ void *arg)
+ { moan("%s", msg); }
+
/* --- @usage@ --- */
static void usage(FILE *fp)
-{
- fprintf(fp, "Usage: %s [-bc] [-v PATH]\n", QUIS);
-}
+ { fprintf(fp, "Usage: %s [-bcv] [-g NAME] [-C PATH]\n", QUIS); }
/* --- @version@ --- */
static void version(FILE *fp)
-{
- fprintf(fp, "%s version %s\n", QUIS, VERSION);
-}
+ { fprintf(fp, "%s version %s\n", QUIS, VERSION); }
/* --- @help@ --- */
\n\
-b, --bourne Output a `TMPDIR' setting for Bourne shell users.\n\
-c, --cshell Output a `TMPDIR' setting for C shell users.\n\
--v, --verify PATH Check whether PATH is good, setting exit status.\n\
+-v, --verbose Report problems to standard error.\n\
+-g, --group NAME Trust group NAME to be honest and true.\n\
+-C, --check PATH Check whether PATH is good, setting exit status.\n\
\n\
The default action is to examine the caller's shell and output a suitable\n\
setting for that shell type.\n\
{
int shell = 0;
int duff = 0;
+ char *p;
enum {
sh_unknown,
/* --- Initialize variables --- */
ego(argv[0]);
- me = geteuid();
- cp.cp_what = CP_WRWORLD | CP_WRGRP | CP_WROTHUSR | CP_STICKYOK;
+ me = cp.cp_uid = geteuid();
+ cp.cp_what = (CP_WRWORLD | CP_WROTHGRP | CP_WROTHUSR |
+ CP_STICKYOK | CP_REPORT | CP_ERROR);
cp.cp_verbose = 0;
- cp.cp_report = 0;
- checkpath_setids(&cp);
+ cp.cp_report = report;
+ cp.cp_gids = 0; /* ignore group membership */
pw = getpwuid(me);
if (!pw)
die(1, "you don't exist");
for (;;) {
static struct option opts[] = {
{ "help", 0, 0, 'h' },
- { "version", 0, 0, 'V' },
+ { "version", 0, 0, 'V' },
{ "usage", 0, 0, 'u' },
{ "bourne", 0, 0, 'b' },
{ "cshell", 0, 0, 'c' },
- { "verify", OPTF_ARGREQ, 0, 'v' },
+ { "check", OPTF_ARGREQ, 0, 'C' },
+ { "verify", OPTF_ARGREQ, 0, 'C' },
+ { "verbose", 0, 0, 'v' },
+ { "trust-groups", 0, 0, 't' },
+ { "group", OPTF_ARGREQ, 0, 'g' },
{ 0, 0, 0, 0 }
};
- int i = mdwopt(argc, argv, "hVu bcv:", opts, 0, 0, 0);
+ int i = mdwopt(argc, argv, "hVu" "bcvtg:C:", opts, 0, 0, 0);
if (i < 0)
break;
case 'c':
shell = sh_csh;
break;
- case 'v':
+ case 'C':
return (!fullcheck(optarg));
break;
+ case 'g':
+ allowgroup(&cp, optarg);
+ break;
+ case 'v':
+ cp.cp_verbose++;
+ break;
default:
duff = 1;
break;
/* --- Choose a shell --- */
if (!shell) {
- char *p;
if (!(p = getenv("SHELL")))
p = pw->pw_shell;
if (strstr(p, "csh"))
/* --- Start the checking --- */
- {
- char *p = goodtmp();
- if (!p)
- die(1, "no good tmp directory");
- switch (shell) {
- case sh_bourne:
- printf("TMPDIR=\"%s\"; export TMPDIR\n", p);
- break;
- case sh_csh:
- printf("setenv TMPDIR \"%s\"\n", p);
+ if ((p = goodtmp()) == 0)
+ die(1, "no good tmp directory");
+ switch (shell) {
+ case sh_bourne:
+ printf("TMPDIR=\"%s\"; export TMPDIR\n", p);
+ break;
+ case sh_csh:
+ printf("setenv TMPDIR \"%s\"\n", p);
break;
- }
}
return (0);
~mdw / checkpath / blobdiff