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/*
* SPDX-License-Identifier: ISC
*
* Copyright (c) 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
*/
#include <config.h>
#include <sudoers.h>
/*
* Calls find_path() first with PERM_RUNAS, falling back to PERM_USER.
* Returns FOUND if the command was found, NOT_FOUND if it was not found,
* NOT_FOUND_DOT if it would have been found but it is in '.' and
* def_ignore_dot is set or NOT_FOUND_ERROR if an error occurred.
* The caller is responsible for freeing the output file.
*/
int
resolve_cmnd(struct sudoers_context *ctx, const char *infile,
char **outfile, const char *path)
{
int ret = NOT_FOUND_ERROR;
debug_decl(resolve_cmnd, SUDOERS_DEBUG_UTIL);
if (!set_perms(ctx, PERM_RUNAS))
goto done;
ret = find_path(infile, outfile, ctx->user.cmnd_stat, path,
def_ignore_dot, NULL);
if (!restore_perms())
goto done;
if (ret == NOT_FOUND) {
/* Failed as runas user, try as invoking user. */
if (!set_perms(ctx, PERM_USER))
goto done;
ret = find_path(infile, outfile, ctx->user.cmnd_stat, path,
def_ignore_dot, NULL);
if (!restore_perms())
goto done;
}
done:
debug_return_int(ret);
}
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