/*

 * SPDX-License-Identifier: ISC

 *

 * Copyright (c) 2023-2024 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.

 */

#include <config.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <sudoers.h>

/*

 * Free memory allocated for struct sudoers_context.

 */

void

sudoers_ctx_free(struct sudoers_context *ctx)

{

    debug_decl(sudoers_ctx_free, SUDOERS_DEBUG_PLUGIN);

    /* Free remaining references to password and group entries. */

    if (ctx->user.pw != NULL)

  sudo_pw_delref(ctx->user.pw);

    if (ctx->user.gid_list != NULL)

  sudo_gidlist_delref(ctx->user.gid_list);

    /* Free dynamic contents of user_ctx. */

    free(ctx->user.cwd);

    free(ctx->user.name);

    if (ctx->user.ttypath != NULL)

  free(ctx->user.ttypath);

    else

  free(ctx->user.tty);

    if (ctx->user.shost != ctx->user.host)

      free(ctx->user.shost);

    free(ctx->user.host);

    free(ctx->user.cmnd);

    canon_path_free(ctx->user.cmnd_dir);

    free(ctx->user.cmnd_args);

    free(ctx->user.cmnd_list);

    free(ctx->user.cmnd_stat);

    /* Free remaining references to password and group entries. */

    if (ctx->runas.pw != NULL)

  sudo_pw_delref(ctx->runas.pw);

    if (ctx->runas.gr != NULL)

  sudo_gr_delref(ctx->runas.gr);

    if (ctx->runas.list_pw != NULL)

  sudo_pw_delref(ctx->runas.list_pw);

    /* Free dynamic contents of ctx->runas. */

    free(ctx->runas.cmnd);

    free(ctx->runas.cmnd_saved);

    if (ctx->runas.shost != ctx->runas.host)

  free(ctx->runas.shost);

    free(ctx->runas.host);

    free(ctx->runas.role);

    free(ctx->runas.type);

    free(ctx->runas.apparmor_profile);

    free(ctx->runas.privs);

    free(ctx->runas.limitprivs);

    /* Free dynamic contents of ctx. */

    free(ctx->source);

    memset(ctx, 0, sizeof(*ctx));

    debug_return;

}