Esempio n. 1
0
/*
 * lock_cfs - lock the fs related process on current process 
 */
static void
lock_cfs(void) {
    lock_files(current->filesp);
}
Esempio n. 2
0
void scribe_lock_files_write(struct files_struct *files)
{
	lock_files(files, SCRIBE_WRITE);
}
Esempio n. 3
0
/*
 * main - groupmod command
 *
 */
int main (int argc, char **argv)
{
#ifdef ACCT_TOOLS_SETUID
#ifdef USE_PAM
	pam_handle_t *pamh = NULL;
	int retval;
#endif				/* USE_PAM */
#endif				/* ACCT_TOOLS_SETUID */

#ifdef WITH_AUDIT
	audit_help_open ();
#endif
	atexit (do_cleanups);

	/*
	 * Get my name so that I can use it to report errors.
	 */
	Prog = Basename (argv[0]);

	(void) setlocale (LC_ALL, "");
	(void) bindtextdomain (PACKAGE, LOCALEDIR);
	(void) textdomain (PACKAGE);

	process_flags (argc, argv);

	OPENLOG ("groupmod");

#ifdef ACCT_TOOLS_SETUID
#ifdef USE_PAM
	{
		struct passwd *pampw;
		pampw = getpwuid (getuid ()); /* local, no need for xgetpwuid */
		if (NULL == pampw) {
			fprintf (stderr,
			         _("%s: Cannot determine your user name.\n"),
			         Prog);
			exit (1);
		}

		retval = pam_start ("groupmod", pampw->pw_name, &conv, &pamh);
	}

	if (PAM_SUCCESS == retval) {
		retval = pam_authenticate (pamh, 0);
	}

	if (PAM_SUCCESS == retval) {
		retval = pam_acct_mgmt (pamh, 0);
	}

	if (NULL != pamh) {
		(void) pam_end (pamh, retval);
	}
	if (PAM_SUCCESS != retval) {
		fprintf (stderr, _("%s: PAM authentication failed\n"), Prog);
		exit (1);
	}
#endif				/* USE_PAM */
#endif				/* ACCT_TOOLS_SETUID */

#ifdef SHADOWGRP
	is_shadow_grp = sgr_file_present ();
#endif
	{
		struct group *grp;
		/*
		 * Start with a quick check to see if the group exists.
		 */
		grp = getgrnam (group_name); /* local, no need for xgetgrnam */
		if (NULL == grp) {
			fprintf (stderr,
			         _("%s: group '%s' does not exist\n"),
			         Prog, group_name);
			exit (E_NOTFOUND);
		} else {
			group_id = grp->gr_gid;
		}
	}

#ifdef	USE_NIS
	/*
	 * Now make sure it isn't an NIS group.
	 */
	if (__isgrNIS ()) {
		char *nis_domain;
		char *nis_master;

		fprintf (stderr,
		         _("%s: group %s is a NIS group\n"),
		         Prog, group_name);

		if (!yp_get_default_domain (&nis_domain) &&
		    !yp_master (nis_domain, "group.byname", &nis_master)) {
			fprintf (stderr,
			         _("%s: %s is the NIS master\n"),
			         Prog, nis_master);
		}
		exit (E_NOTFOUND);
	}
#endif

	if (gflg) {
		check_new_gid ();
	}

	if (nflg) {
		check_new_name ();
	}

	lock_files ();

	/*
	 * Now if the group is not changed, it's our fault.
	 * Make sure failures will be reported.
	 */
	prepare_failure_reports ();

	/*
	 * Do the hard stuff - open the files, create the group entries,
	 * then close and update the files.
	 */
	open_files ();

	grp_update ();

	close_files ();

	nscd_flush_cache ("group");

	return E_SUCCESS;
}
Esempio n. 4
0
void scribe_lock_files_read(struct files_struct *files)
{
	lock_files(files, SCRIBE_READ);
}