151 lines
3.3 KiB
C
151 lines
3.3 KiB
C
/*
|
|
* SPDX-License-Identifier: ISC
|
|
*
|
|
* Copyright (c) 2018-2023 Todd C. Miller <Todd.Miller@sudo.ws>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
/*
|
|
* This is an open source non-commercial project. Dear PVS-Studio, please check it.
|
|
* PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
|
|
*/
|
|
|
|
/*
|
|
* Stub versions of functions needed by the parser.
|
|
* Required to link cvtsudoers and visudo.
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include <netinet/in.h>
|
|
#include <arpa/inet.h>
|
|
|
|
#include "sudoers.h"
|
|
#include "cvtsudoers.h"
|
|
#include "interfaces.h"
|
|
|
|
/* STUB */
|
|
bool
|
|
init_envtables(void)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/* STUB */
|
|
bool
|
|
user_is_exempt(const struct sudoers_context *ctx)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
/* STUB */
|
|
void
|
|
sudo_setspent(void)
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* STUB */
|
|
void
|
|
sudo_endspent(void)
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* STUB */
|
|
int
|
|
group_plugin_query(const char *user, const char *group, const struct passwd *pw)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
/* STUB */
|
|
struct interface_list *
|
|
get_interfaces(void)
|
|
{
|
|
static struct interface_list empty = SLIST_HEAD_INITIALIZER(interfaces);
|
|
return ∅
|
|
}
|
|
|
|
/* STUB */
|
|
int
|
|
set_cmnd_path(struct sudoers_context *ctx, const char *runchroot)
|
|
{
|
|
/* Cannot return FOUND without also setting ctx->user.cmnd to a new value. */
|
|
return NOT_FOUND;
|
|
}
|
|
|
|
/* STUB */
|
|
void
|
|
init_eventlog_config(void)
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* STUB */
|
|
bool
|
|
pivot_root(const char *new_root, int fds[2])
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/* STUB */
|
|
bool
|
|
unpivot_root(int fds[2])
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
* Look up the hostname and set ctx->user.host and ctx->user.shost.
|
|
*/
|
|
void
|
|
get_hostname(struct sudoers_context *ctx)
|
|
{
|
|
char *cp;
|
|
debug_decl(get_hostname, SUDOERS_DEBUG_UTIL);
|
|
|
|
if ((ctx->user.host = sudo_gethostname()) != NULL) {
|
|
if ((cp = strchr(ctx->user.host, '.'))) {
|
|
*cp = '\0';
|
|
if ((ctx->user.shost = strdup(ctx->user.host)) == NULL)
|
|
sudo_fatalx(U_("%s: %s"), __func__, U_("unable to allocate memory"));
|
|
*cp = '.';
|
|
} else {
|
|
ctx->user.shost = ctx->user.host;
|
|
}
|
|
} else {
|
|
ctx->user.host = ctx->user.shost = strdup("localhost");
|
|
if (ctx->user.host == NULL)
|
|
sudo_fatalx(U_("%s: %s"), __func__, U_("unable to allocate memory"));
|
|
}
|
|
|
|
ctx->runas.host = strdup(ctx->user.host);
|
|
if (ctx->runas.host == NULL)
|
|
sudo_fatalx(U_("%s: %s"), __func__, U_("unable to allocate memory"));
|
|
if ((cp = strchr(ctx->runas.host, '.'))) {
|
|
*cp = '\0';
|
|
if ((ctx->runas.shost = strdup(ctx->runas.host)) == NULL)
|
|
sudo_fatalx(U_("%s: %s"), __func__, U_("unable to allocate memory"));
|
|
*cp = '.';
|
|
} else {
|
|
ctx->runas.shost = ctx->runas.host;
|
|
}
|
|
|
|
debug_return;
|
|
}
|