62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
|
/*-
|
||
|
|
* Copyright (c) 2018, Juniper Networks, Inc.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer in the
|
||
|
|
* documentation and/or other materials provided with the distribution.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
*/
|
||
|
|
#include <sys/cdefs.h>
|
||
|
|
__FBSDID("$FreeBSD$");
|
||
|
|
|
||
|
|
#include <libsecureboot.h>
|
||
|
|
|
||
|
|
#include <vse.h>
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief
|
||
|
|
* verify signed file
|
||
|
|
*
|
||
|
|
* We look for a signature using the extensions
|
||
|
|
* recorded in signature_exts.
|
||
|
|
* If we find a match we pass it to a suitable verify method.
|
||
|
|
*
|
||
|
|
* @return content of verified file or NULL on error.
|
||
|
|
*/
|
||
|
|
unsigned char *
|
||
|
|
verify_signed(const char *filename, int flags)
|
||
|
|
{
|
||
|
|
struct stat st;
|
||
|
|
char buf[MAXPATHLEN];
|
||
|
|
const char **se;
|
||
|
|
|
||
|
|
for (se = signature_exts; *se; se++) {
|
||
|
|
snprintf(buf, sizeof(buf), "%s.%s", filename, *se);
|
||
|
|
if (stat(buf, &st) < 0 || !S_ISREG(st.st_mode))
|
||
|
|
continue;
|
||
|
|
DEBUG_PRINTF(5, ("verify_signed: %s\n", buf));
|
||
|
|
#ifdef VE_OPENPGP_SUPPORT
|
||
|
|
if (strncmp(*se, "asc", 3) == 0)
|
||
|
|
return (verify_asc(buf, flags));
|
||
|
|
#endif
|
||
|
|
return (verify_sig(buf, flags));
|
||
|
|
}
|
||
|
|
return (NULL);
|
||
|
|
}
|