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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 <stdio.h>
#include <strings.h>
#include <ctype.h>
#include <libgen.h>
#include <libintl.h>
#include <errno.h>
#include <kmfapiP.h>
#include <sys/stat.h>
#include <sys/param.h>
#include <cryptoutil.h>
#include "util.h"
static int err; /* To store errno which may be overwritten by gettext() */
int
kc_uninstall(int argc, char *argv[])
{
int rv = KC_OK;
int opt;
extern int optind_av;
extern char *optarg_av;
char *keystore_name = NULL;
conf_entry_t *entry = NULL;
FILE *pfile = NULL;
FILE *pfile_tmp = NULL;
char tmpfile_name[MAXPATHLEN];
char buffer[MAXPATHLEN];
char buffer2[MAXPATHLEN];
boolean_t found;
boolean_t in_package;
while ((opt = getopt_av(argc, argv, "k:(keystore)")) != EOF) {
switch (opt) {
case 'k':
if (keystore_name != NULL)
rv = KC_ERR_USAGE;
else {
keystore_name = get_string(optarg_av, &rv);
if (keystore_name == NULL) {
(void) fprintf(stderr, gettext(
"Error keystore input.\n"));
}
}
break;
default:
(void) fprintf(stderr,
gettext("Error input option.\n"));
rv = KC_ERR_USAGE;
break;
}
if (rv != KC_OK)
goto out;
}
/* No additional args allowed. */
argc -= optind_av;
if (argc) {
(void) fprintf(stderr,
gettext("Error input option\n"));
rv = KC_ERR_USAGE;
goto out;
}
if (keystore_name == NULL) {
(void) fprintf(stderr,
gettext("Error input option\n"));
rv = KC_ERR_USAGE;
goto out;
}
if (strcasecmp(keystore_name, "nss") == 0 ||
strcasecmp(keystore_name, "pkcs11") == 0 ||
strcasecmp(keystore_name, "file") == 0) {
(void) fprintf(stderr,
gettext("Can not uninstall the built-in keystore %s\n"),
keystore_name);
rv = KC_ERR_UNINSTALL;
goto out;
}
entry = get_keystore_entry(keystore_name);
if (entry == NULL) {
(void) fprintf(stderr, gettext("%s does not exist.\n"),
keystore_name);
rv = KC_ERR_USAGE;
goto out;
}
if ((pfile = fopen(_PATH_KMF_CONF, "r+")) == NULL) {
err = errno;
(void) fprintf(stderr,
gettext("failed to update the configuration - %s\n"),
strerror(err));
rv = KC_ERR_ACCESS;
goto out;
}
if (lockf(fileno(pfile), F_TLOCK, 0) == -1) {
err = errno;
(void) fprintf(stderr,
gettext("failed to lock the configuration - %s\n"),
strerror(err));
rv = KC_ERR_UNINSTALL;
goto out;
}
/*
* Create a temporary file in the /etc/crypto directory.
*/
(void) strlcpy(tmpfile_name, CONF_TEMPFILE, sizeof (tmpfile_name));
if (mkstemp(tmpfile_name) == -1) {
err = errno;
(void) fprintf(stderr,
gettext("failed to create a temporary file - %s\n"),
strerror(err));
rv = KC_ERR_UNINSTALL;
goto out;
}
if ((pfile_tmp = fopen(tmpfile_name, "w")) == NULL) {
err = errno;
(void) fprintf(stderr,
gettext("failed to open a temporary file - %s\n"),
strerror(err));
rv = KC_ERR_UNINSTALL;
goto out;
}
/*
* Loop thru the config file. If the plugin to be uninstalled is in
* a package, then just comment it off.
*/
in_package = B_FALSE;
while (fgets(buffer, MAXPATHLEN, pfile) != NULL) {
found = B_FALSE;
if (buffer[0] != ' ' && buffer[0] != '\n' &&
buffer[0] != '\t') {
if (strstr(buffer, " Start ") != NULL) {
in_package = B_TRUE;
} else if (strstr(buffer, " End ") != NULL) {
in_package = B_FALSE;
} else if (buffer[0] != '#') {
char *name;
int len;
/*
* make a copy of the original buffer to
* buffer2. Also get rid of the trailing
* '\n' from buffer2.
*/
(void) strlcpy(buffer2, buffer, MAXPATHLEN);
/* get rid of trailing '\n' */
len = strlen(buffer2);
if (buffer2[len-1] == '\n') {
len--;
}
buffer2[len] = '\0';
if ((name = strtok(buffer2, SEP_COLON)) ==
NULL) {
rv = KC_ERR_UNINSTALL;
goto out;
}
if (strcmp(keystore_name, name) == 0)
found = B_TRUE;
}
}
if (found) {
/*
* If found and not in_package, then don't write
* this line to the result file.
*/
if (in_package) {
(void) snprintf(buffer2, sizeof (buffer2),
"%s%s", "#", buffer);
if (fputs(buffer2, pfile_tmp) == EOF) {
rv = KC_ERR_UNINSTALL;
goto out;
}
}
} else {
if (fputs(buffer, pfile_tmp) == EOF) {
rv = KC_ERR_UNINSTALL;
goto out;
}
}
}
out:
if (pfile != NULL)
(void) fclose(pfile);
if (rv != KC_OK && pfile_tmp != NULL)
(void) unlink(tmpfile_name);
if (pfile_tmp != NULL)
(void) fclose(pfile_tmp);
if (rv == KC_OK) {
if (rename(tmpfile_name, _PATH_KMF_CONF) == -1) {
err = errno;
(void) fprintf(stderr, gettext(
"failed to update the configuration - %s"),
strerror(err));
return (KC_ERR_UNINSTALL);
}
if (chmod(_PATH_KMF_CONF,
S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH) == -1) {
err = errno;
(void) fprintf(stderr, gettext(
"failed to update the configuration - %s\n"),
strerror(err));
return (KC_ERR_UNINSTALL);
}
}
return (rv);
}
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