auths.c revision 49a66a682b5ea524222294a1268bb1a9e7ac3af5
/*
* 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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <pwd.h>
#include <string.h>
#include <deflt.h>
#include <libintl.h>
#include <locale.h>
#include <user_attr.h>
#include <prof_attr.h>
#include <auth_attr.h>
#define ALL_AUTHS "All"
#define ALL_SUN_AUTHS "solaris.*"
#define EXIT_OK 0
#define EXIT_FATAL 1
#define EXIT_NON_FATAL 2
#ifndef TEXT_DOMAIN /* Should be defined by cc -D */
#define TEXT_DOMAIN "SYS_TEST"
#endif
#define PROFLIST_SEP ","
#define AUTH_SEP ","
#define MAXAUTHS 4096
static int show_auths(char *, char **, int, int);
static int list_auths(userattr_t *, char **, int *);
static void get_default_auths(char *, char **, int *);
static void getProfiles(char *, char **, int *, char **, int *);
static void add_auths(char *, char **, int *);
static void free_auths(char **, int *);
static char *progname = "auths";
int
main(int argc, char *argv[])
{
int status = EXIT_OK;
char *defauths[MAXAUTHS];
int defauth_cnt = 0;
(void) setlocale(LC_ALL, "");
(void) textdomain(TEXT_DOMAIN);
switch (argc) {
case 1:
get_default_auths(NULL, defauths, &defauth_cnt);
status = show_auths(NULL, defauths, defauth_cnt, 0);
break;
case 2:
get_default_auths(argv[argc-1], defauths, &defauth_cnt);
status = show_auths(argv[argc-1], defauths, defauth_cnt, 0);
break;
default:
while (*++argv) {
get_default_auths(*argv, defauths, &defauth_cnt);
status = show_auths(*argv, defauths, defauth_cnt, 1);
if (status == EXIT_FATAL) {
break;
}
/* free memory allocated for default authorizations */
free_auths(defauths, &defauth_cnt);
(void) printf("\n");
}
break;
}
/* free memory allocated for default authorizations */
free_auths(defauths, &defauth_cnt);
status = (status == EXIT_OK) ? status : EXIT_FATAL;
return (status);
}
static int
show_auths(char *username, char **defauths, int defauth_cnt, int print_name)
{
int status = EXIT_OK;
struct passwd *pw;
userattr_t *user;
char *userauths[MAXAUTHS];
int userauth_cnt = 0, old_userauth_cnt;
int i, j, have_allauths, duplicate;
if (username == NULL) {
if ((pw = getpwuid(getuid())) == NULL) {
status = EXIT_NON_FATAL;
(void) fprintf(stderr, "%s: ", progname);
(void) fprintf(stderr, gettext("No passwd entry\n"));
return (status);
}
username = pw->pw_name;
} else if (getpwnam(username) == NULL) {
status = EXIT_NON_FATAL;
(void) fprintf(stderr, "%s: %s : ", progname, username);
(void) fprintf(stderr, gettext("No such user\n"));
return (status);
}
have_allauths = 0;
if (username != NULL) {
/* if ALL_AUTHS is default, don't need to look at other auths */
for (i = 0; i < defauth_cnt; i++) {
if (strcmp(defauths[i], ALL_AUTHS) == 0) {
have_allauths = 1;
break;
}
}
if (have_allauths) {
status = EXIT_OK;
} else if ((user = getusernam(username)) != NULL) {
status = list_auths(user, userauths, &userauth_cnt);
/* check if any profiles have ALL_AUTHS */
for (i = 0; i < userauth_cnt; i++) {
if (strcmp(userauths[i], ALL_AUTHS) == 0) {
have_allauths = 1;
break;
}
}
}
if ((defauth_cnt + userauth_cnt) == 0) {
status = EXIT_NON_FATAL;
}
}
if (status == EXIT_NON_FATAL) {
(void) fprintf(stderr, "%s: %s : ", progname, username);
(void) fprintf(stderr, gettext("No authorizations\n"));
} else {
if (print_name) {
(void) printf("%s : ", username);
}
if (have_allauths) {
(void) printf("%s\n", ALL_SUN_AUTHS);
} else {
/*
* combine the user auths and default auths,
* and eliminate duplicates from the two
*/
old_userauth_cnt = userauth_cnt;
for (i = 0; i < defauth_cnt; i++) {
duplicate = 0;
for (j = 0; j < old_userauth_cnt; j++) {
if (strcmp(userauths[j], defauths[i]) ==
0) {
duplicate = 1;
break;
}
}
if (!duplicate) {
userauths[userauth_cnt] =
strdup(defauths[i]);
userauth_cnt++;
}
}
/* print out the auths */
for (i = 0; i < (userauth_cnt - 1); i++) {
(void) printf("%s,", userauths[i]);
}
/* print out the last entry, without the comma */
(void) printf("%s\n", userauths[userauth_cnt - 1]);
}
}
/* free memory allocated for authorizations */
free_auths(userauths, &userauth_cnt);
return (status);
}
static int
list_auths(userattr_t *user, char **authArray, int *authcnt)
{
int status = EXIT_OK;
char *authlist = NULL;
char *proflist = NULL;
char *profArray[MAXPROFS];
int profcnt = 0;
authlist = kva_match(user->attr, USERATTR_AUTHS_KW);
if (authlist != NULL) {
add_auths(authlist, authArray, authcnt);
}
if ((proflist = kva_match(user->attr, USERATTR_PROFILES_KW)) == NULL) {
if (authcnt == 0) {
status = EXIT_NON_FATAL;
}
} else {
getProfiles(proflist, profArray, &profcnt,
authArray, authcnt);
free_proflist(profArray, profcnt);
}
if (authcnt == 0) {
status = EXIT_NON_FATAL;
}
free_userattr(user);
return (status);
}
static void
get_default_auths(char *user, char **authArray, int *authcnt)
{
char *auths = NULL;
char *profs = NULL;
char *profArray[MAXPROFS];
int profcnt = 0;
if (user == NULL) {
struct passwd *pw;
if ((pw = getpwuid(getuid())) != NULL) {
user = pw->pw_name;
}
}
if (_get_user_defs(user, &auths, &profs) == 0) {
if (auths != NULL) {
add_auths(auths, authArray, authcnt);
}
/* get authorizations from default profiles */
if (profs != NULL) {
getProfiles(profs, profArray, &profcnt,
authArray, authcnt);
free_proflist(profArray, profcnt);
}
_free_user_defs(auths, profs);
}
}
void
add_auths(char *auths, char **authArray, int *authcnt)
{
char *authname, *lasts, *real_authname;
int i;
for (authname = (char *)strtok_r(auths, AUTH_SEP, &lasts);
authname != NULL;
authname = (char *)strtok_r(NULL, AUTH_SEP, &lasts)) {
if ((strcmp(authname, KV_WILDCARD) == 0) ||
(strcmp(authname, ALL_SUN_AUTHS) == 0)) {
real_authname = ALL_AUTHS;
} else {
real_authname = authname;
}
/* check to see if authorization is already in list */
for (i = 0; i < *authcnt; i++) {
if (strcmp(real_authname, authArray[i]) == 0) {
break; /* already in list */
}
}
/* not in list, add it in */
if (i == *authcnt) {
authArray[i] = strdup(real_authname);
*authcnt = i + 1;
}
}
}
static void
free_auths(char *auths[], int *auth_cnt)
{
int i;
for (i = 0; i < *auth_cnt; i++) {
free(auths[i]);
}
*auth_cnt = 0;
}
static void
getProfiles(char *profiles, char **profArray, int *profcnt,
char **authArray, int *authcnt)
{
char *prof;
char *lasts;
profattr_t *pa;
char *auths;
int i;
for (prof = (char *)strtok_r(profiles, PROFLIST_SEP, &lasts);
prof != NULL;
prof = (char *)strtok_r(NULL, PROFLIST_SEP, &lasts)) {
getproflist(prof, profArray, profcnt);
}
/* get authorizations from list of profiles */
for (i = 0; i < *profcnt; i++) {
if ((pa = getprofnam(profArray[i])) == NULL) {
/*
* this should never happen.
* unless the database has an undefined profile
*/
continue;
}
/* get auths this profile */
auths = kva_match(pa->attr, PROFATTR_AUTHS_KW);
if (auths != NULL) {
add_auths(auths, authArray, authcnt);
}
free_profattr(pa);
}
}