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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/ctfs.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <assert.h>
#include <libuutil.h>
#include <libintl.h>
#include <string.h>
#include <procfs.h>
#include <libcontract.h>
#include <libcontract_priv.h>
#include "libcontract_impl.h"
#include "process_dump.h"
#include "device_dump.h"
contract_type_t types[CTT_MAXTYPE] = {
{ "process", event_process },
{ "device", event_device }
};
static int
close_on_exec(int fd)
{
int flags = fcntl(fd, F_GETFD, 0);
if ((flags != -1) && (fcntl(fd, F_SETFD, flags | FD_CLOEXEC) != -1))
return (0);
return (-1);
}
int
contract_latest(ctid_t *id)
{
int cfd, r;
ct_stathdl_t st;
ctid_t result;
if ((cfd = open64(CTFS_ROOT "/process/latest", O_RDONLY)) == -1)
return (errno);
if ((r = ct_status_read(cfd, CTD_COMMON, &st)) != 0) {
(void) close(cfd);
return (r);
}
result = ct_status_get_id(st);
ct_status_free(st);
(void) close(cfd);
*id = result;
return (0);
}
int
contract_open(ctid_t ctid, const char *type, const char *file, int oflag)
{
char path[PATH_MAX];
int n, fd;
assert((oflag & O_CREAT) == 0);
if (type == NULL)
type = "all";
n = snprintf(path, PATH_MAX, CTFS_ROOT "/%s/%ld/%s", type, ctid, file);
if (n >= PATH_MAX) {
errno = ENAMETOOLONG;
return (-1);
}
fd = open64(path, oflag);
if (fd != -1) {
if (close_on_exec(fd) == -1) {
int err = errno;
(void) close(fd);
errno = err;
return (-1);
}
}
return (fd);
}
int
contract_abandon_id(ctid_t ctid)
{
int fd, err;
fd = contract_open(ctid, "all", "ctl", O_WRONLY);
if (fd == -1)
return (errno);
err = ct_ctl_abandon(fd);
(void) close(fd);
return (err);
}
ctid_t
getctid(void)
{
int fd;
psinfo_t ps;
if ((fd = open("/proc/self/psinfo", O_RDONLY)) == -1)
return (-1);
if (read(fd, &ps, sizeof (ps)) != sizeof (ps)) {
(void) close(fd);
return (-1);
}
(void) close(fd);
return (ps.pr_contract);
}
void
contract_event_dump(FILE *file, ct_evthdl_t hdl, int verbose)
{
ct_typeid_t type;
struct ctlib_event_info *info = hdl;
type = info->event.ctev_cttype;
types[type].type_event(file, hdl, verbose);
}
void
contract_negend_dump(FILE *file, ct_evthdl_t ev)
{
ctevid_t nevid = 0;
ctid_t my_ctid = ct_event_get_ctid(ev);
ctid_t new_ctid = 0;
char *s;
(void) ct_event_get_nevid(ev, &nevid);
(void) ct_event_get_newct(ev, &new_ctid);
if (new_ctid != my_ctid) {
s = dgettext(TEXT_DOMAIN, "negotiation %llu succeeded\n");
} else {
s = dgettext(TEXT_DOMAIN, "negotiation %llu failed\n");
}
/*LINTED*/
(void) fprintf(file, s, (unsigned long long)nevid);
}
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