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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* misc.c - miscellaneous and utility functions
*/
#include <sys/stat.h>
#include <sys/statvfs.h>
#include <sys/types.h>
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <libscf_priv.h>
#include <libuutil.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <syslog.h>
#include <unistd.h>
#include "startd.h"
void
startd_close(int fd)
{
if (close(fd) == 0)
return;
log_error(LOG_WARNING, "close(%d) failed: %s\n", fd, strerror(errno));
abort();
}
void
startd_fclose(FILE *fp)
{
if (fclose(fp) == 0)
return;
log_error(LOG_WARNING, "fclose() failed\n");
abort();
}
/*
* Canonify fmri. On success, sets *retp to a string which should be freed
* with startd_free( , max_scf_fmri_size) and returns 0. On failure returns
* EINVAL.
*
* If 'isinstance' is non-zero, then return EINVAL if the FMRI specificies
* anything other than an instance.
*/
int
fmri_canonify(const char *fmri, char **retp, boolean_t isinstance)
{
char *cf;
cf = startd_alloc(max_scf_fmri_size);
if (isinstance) {
const char *instance, *pg;
/*
* Verify that this fmri specifies an instance, using
* scf_parse_svc_fmri().
*/
if (strlcpy(cf, fmri, max_scf_fmri_size) >= max_scf_fmri_size ||
scf_parse_svc_fmri(cf, NULL, NULL, &instance, &pg,
NULL) != 0) {
startd_free(cf, max_scf_fmri_size);
return (EINVAL);
}
if (instance == NULL || pg != NULL) {
startd_free(cf, max_scf_fmri_size);
return (EINVAL);
}
}
if (scf_canonify_fmri(fmri, cf, max_scf_fmri_size) < 0) {
startd_free(cf, max_scf_fmri_size);
return (EINVAL);
}
*retp = cf;
return (0);
}
/*
* int fs_is_read_only(char *, ulong_t *)
* Returns 1 if the given path is that of a filesystem with the ST_RDONLY flag
* set. 0 if ST_RDONLY is unset. -1 if the statvfs(2) call failed. If the
* second parameter is non-NULL, the fsid for the requested filesystem is
* written to the given address on success.
*/
int
fs_is_read_only(char *path, ulong_t *fsidp)
{
int err;
struct statvfs sfb;
do {
err = statvfs(path, &sfb);
} while (err == -1 && errno == EINTR);
if (err)
return (-1);
if (fsidp != NULL)
*fsidp = sfb.f_fsid;
if (sfb.f_flag & ST_RDONLY)
return (1);
return (0);
}
/*
* int fs_remount(char *)
* Attempt to remount the given filesystem read-write, so that we can unlock
* the repository (or handle other similar failures).
*
* Returns 0 on success, -1 on failure.
*/
int
fs_remount(char *path)
{
if (fork_mount(path, "remount,rw"))
return (-1);
return (0);
}
/*
* void xstr_sanitize(char *s)
* In-place transform any non-alphanumeric characters (or '_') to '_'
* characters.
*/
void
xstr_sanitize(char *s)
{
for (; *s != '\0'; s++)
if (!isalnum(*s) && *s != '_')
*s = '_';
}
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