diff options
Diffstat (limited to 'tools/mkeficapsule.c')
| -rw-r--r-- | tools/mkeficapsule.c | 37 |
1 files changed, 33 insertions, 4 deletions
diff --git a/tools/mkeficapsule.c b/tools/mkeficapsule.c index b71537beee..52be1f122e 100644 --- a/tools/mkeficapsule.c +++ b/tools/mkeficapsule.c @@ -41,6 +41,7 @@ static struct option options[] = { {"guid", required_argument, NULL, 'g'}, {"index", required_argument, NULL, 'i'}, {"instance", required_argument, NULL, 'I'}, + {"fw-version", required_argument, NULL, 'v'}, {"private-key", required_argument, NULL, 'p'}, {"certificate", required_argument, NULL, 'c'}, {"monotonic-count", required_argument, NULL, 'm'}, @@ -60,6 +61,7 @@ static void print_usage(void) "\t-g, --guid <guid string> guid for image blob type\n" "\t-i, --index <index> update image index\n" "\t-I, --instance <instance> update hardware instance\n" + "\t-v, --fw-version <version> firmware version\n" "\t-p, --private-key <privkey file> private key file\n" "\t-c, --certificate <cert file> signer's certificate file\n" "\t-m, --monotonic-count <count> monotonic count\n" @@ -402,6 +404,7 @@ static void free_sig_data(struct auth_context *ctx) */ static int create_fwbin(char *path, char *bin, efi_guid_t *guid, unsigned long index, unsigned long instance, + struct fmp_payload_header_params *fmp_ph_params, uint64_t mcount, char *privkey_file, char *cert_file, uint16_t oemflags) { @@ -410,10 +413,11 @@ static int create_fwbin(char *path, char *bin, efi_guid_t *guid, struct efi_firmware_management_capsule_image_header image; struct auth_context auth_context; FILE *f; - uint8_t *data; + uint8_t *data, *new_data, *buf; off_t bin_size; uint64_t offset; int ret; + struct fmp_payload_header payload_header; #ifdef DEBUG fprintf(stderr, "For output: %s\n", path); @@ -423,6 +427,7 @@ static int create_fwbin(char *path, char *bin, efi_guid_t *guid, auth_context.sig_size = 0; f = NULL; data = NULL; + new_data = NULL; ret = -1; /* @@ -431,12 +436,30 @@ static int create_fwbin(char *path, char *bin, efi_guid_t *guid, if (read_bin_file(bin, &data, &bin_size)) goto err; + buf = data; + + /* insert fmp payload header right before the payload */ + if (fmp_ph_params->have_header) { + new_data = malloc(bin_size + sizeof(payload_header)); + if (!new_data) + goto err; + + payload_header.signature = FMP_PAYLOAD_HDR_SIGNATURE; + payload_header.header_size = sizeof(payload_header); + payload_header.fw_version = fmp_ph_params->fw_version; + payload_header.lowest_supported_version = 0; /* not used */ + memcpy(new_data, &payload_header, sizeof(payload_header)); + memcpy(new_data + sizeof(payload_header), data, bin_size); + buf = new_data; + bin_size += sizeof(payload_header); + } + /* first, calculate signature to determine its size */ if (privkey_file && cert_file) { auth_context.key_file = privkey_file; auth_context.cert_file = cert_file; auth_context.auth.monotonic_count = mcount; - auth_context.image_data = data; + auth_context.image_data = buf; auth_context.image_size = bin_size; if (create_auth_data(&auth_context)) { @@ -536,7 +559,7 @@ static int create_fwbin(char *path, char *bin, efi_guid_t *guid, /* * firmware binary */ - if (write_capsule_file(f, data, bin_size, "Firmware binary")) + if (write_capsule_file(f, buf, bin_size, "Firmware binary")) goto err; ret = 0; @@ -545,6 +568,7 @@ err: fclose(f); free_sig_data(&auth_context); free(data); + free(new_data); return ret; } @@ -644,6 +668,7 @@ int main(int argc, char **argv) unsigned long oemflags; char *privkey_file, *cert_file; int c, idx; + struct fmp_payload_header_params fmp_ph_params = { 0 }; guid = NULL; index = 0; @@ -679,6 +704,10 @@ int main(int argc, char **argv) case 'I': instance = strtoul(optarg, NULL, 0); break; + case 'v': + fmp_ph_params.fw_version = strtoul(optarg, NULL, 0); + fmp_ph_params.have_header = true; + break; case 'p': if (privkey_file) { fprintf(stderr, @@ -751,7 +780,7 @@ int main(int argc, char **argv) exit(EXIT_FAILURE); } } else if (create_fwbin(argv[argc - 1], argv[argc - 2], guid, - index, instance, mcount, privkey_file, + index, instance, &fmp_ph_params, mcount, privkey_file, cert_file, (uint16_t)oemflags) < 0) { fprintf(stderr, "Creating firmware capsule failed\n"); exit(EXIT_FAILURE); |