Remove unused gen-keyfiles source
gen-keyfiles isn't built, and has been replaced by sbsiglist. Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com>
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Jeremy Kerr
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15fb9d37c2
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dcae99eca5
1 changed files with 0 additions and 216 deletions
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/*
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* Copyright (C) 2012 Jeremy Kerr <jeremy.kerr@canonical.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <endian.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <uuid/uuid.h>
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#include "ccan/talloc/talloc.h"
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struct efi_guid {
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uint32_t data1;
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uint16_t data2;
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uint16_t data3;
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uint8_t data4[8];
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};
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#if __BYTE_ORDER != __LITTLE_ENDIAN
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#error Only little-endian machines are supported currently
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#endif
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const struct efi_guid x509_guid = { 0xa5c059a1, 0x94e4, 0x4aa7, \
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{ 0x87, 0xb5, 0xab, 0x15, 0x5c, 0x2b, 0xf0, 0x72 } };
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struct efi_signature_data {
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struct efi_guid SignatureOwner;
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uint8_t SignatureData[];
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};
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struct efi_signature_list {
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struct efi_guid SignatureType;
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uint32_t SignatureListSize;
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uint32_t SignatureHeaderSize;
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uint32_t SignatureSize;
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/* this can follow directly, as we don't have a header */
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struct efi_signature_data Signatures[];
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};
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struct keydata {
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void *buf;
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unsigned int size;
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};
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static void uuid_to_efi_guid(uuid_t u, struct efi_guid *e)
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{
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/* The UUID is in raw format, so no byte-swapping is required */
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memcpy(e, u, sizeof(*e));
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}
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static struct keydata *slurp_file(const char *filename)
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{
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unsigned int bytes_read;
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struct stat statbuf;
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struct keydata *keydata;
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int rc, fd;
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keydata = talloc(NULL, struct keydata);
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if (!keydata) {
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perror("talloc(keydata)");
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return NULL;
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}
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fd = open(filename, O_RDONLY);
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if (fd < 0) {
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perror("open");
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goto err_free;
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}
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rc = fstat(fd, &statbuf);
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if (rc) {
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perror("fstat");
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goto err_close;
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}
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keydata->size = statbuf.st_size;
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keydata->buf = talloc_size(keydata, keydata->size);
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if (!keydata->buf) {
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perror("talloc(buf)");
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goto err_close;
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}
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for (bytes_read = 0; bytes_read < keydata->size; bytes_read += rc) {
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rc = read(fd, keydata->buf + bytes_read,
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keydata->size - bytes_read);
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if (rc < 0) {
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perror("read");
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break;
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}
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if (rc == 0)
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break;
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}
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if (bytes_read < keydata->size) {
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fprintf(stderr, "error reading input file\n");
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goto err_close;
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}
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close(fd);
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return keydata;
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err_close:
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close(fd);
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err_free:
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talloc_free(keydata);
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return NULL;
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}
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static int write_file(const char *filename, void *buf, unsigned int size)
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{
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int fd, rc;
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fd = open(filename, O_WRONLY | O_CREAT, 0644);
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if (fd < 0) {
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perror("open");
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return -1;
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}
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rc = write(fd, buf, size);
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if (rc != (int)size) {
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perror("write");
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rc = -1;
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} else
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rc = 0;
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close(fd);
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return rc;
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}
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static int write_output(const char *basename,
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struct efi_signature_list *siglist)
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{
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char *filename;
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/* write list */
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filename = talloc_asprintf(NULL, "%s.siglist", basename);
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write_file(filename, siglist, siglist->SignatureListSize);
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talloc_free(filename);
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/* write single entry data */
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filename = talloc_asprintf(NULL, "%s.sigdata", basename);
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write_file(filename, siglist->Signatures, siglist->SignatureSize);
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talloc_free(filename);
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return 0;
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}
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int main(int argc, char **argv)
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{
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struct efi_signature_list *siglist;
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struct efi_signature_data *sigdata;
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struct keydata *keydata;
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const char *filename;
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int rc, siglist_size;
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uuid_t owner_uuid;
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if (argc != 3) {
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fprintf(stderr, "usage: %s <owner-uuid> <keyfile>\n", argv[0]);
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return EXIT_FAILURE;
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}
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rc = uuid_parse(argv[1], owner_uuid);
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if (rc) {
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fprintf(stderr, "failed to parse uuid '%s'\n", argv[1]);
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return EXIT_FAILURE;
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}
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filename = argv[2];
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keydata = slurp_file(filename);
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if (!keydata)
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return EXIT_FAILURE;
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siglist_size =
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sizeof(struct efi_signature_list) +
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sizeof(struct efi_signature_data) +
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keydata->size;
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siglist = talloc_size(keydata, siglist_size);
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siglist->SignatureType = x509_guid;
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siglist->SignatureListSize = siglist_size;
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siglist->SignatureHeaderSize = 0;
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siglist->SignatureSize = sizeof(struct efi_signature_data) +
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keydata->size;
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sigdata = siglist->Signatures;
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uuid_to_efi_guid(owner_uuid, &sigdata->SignatureOwner);
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memcpy(sigdata->SignatureData, keydata->buf, keydata->size);
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write_output(filename, siglist);
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return 0;
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}
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