Files
sudo/plugins/sudoers/stubs.c

141 lines
2.8 KiB
C

/*
* SPDX-License-Identifier: ISC
*
* Copyright (c) 2018 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(void)
{
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 &empty;
}
/* STUB */
int
set_cmnd_path(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(void)
{
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 = ctx.user.host;
ctx.runas.shost = ctx.user.shost;
debug_return;
}