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/*
* SPDX-License-Identifier: ISC
*
* Copyright (c) 2021-2022 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.
*/
#ifndef SUDO_EXEC_INTERCEPT_H
#define SUDO_EXEC_INTERCEPT_H
enum intercept_state {
INVALID_STATE,
RECV_HELLO_INITIAL,
RECV_HELLO,
RECV_SECRET,
RECV_POLICY_CHECK,
RECV_CONNECTION,
POLICY_ACCEPT,
POLICY_REJECT,
POLICY_TEST,
POLICY_ERROR
};
/* Closure for intercept_cb() */
struct intercept_closure {
union sudo_token_un token;
const struct command_details *details;
struct sudo_event ev;
const char *errstr;
char *command; /* dynamically allocated */
char **run_argv; /* owned by plugin */
char **run_envp; /* dynamically allocated */
uint8_t *buf; /* dynamically allocated */
uint32_t len;
uint32_t off;
int listen_sock;
enum intercept_state state;
int initial_command;
};
void intercept_closure_reset(struct intercept_closure *closure);
bool intercept_check_policy(const char *command, int argc, char **argv, int envc, char **envp, const char *runcwd, int *oldcwd, void *closure);
#endif /* SUDO_EXEC_INTERCEPT_H */
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