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Pull request for UEFI sub-system for efi-2020-10-rc1

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This series comprises error corrections for the UEFI subsystem:
 
 * correct consideration of timestamps for variable authentication
 * correct collection of data regions for code authentication
 * correct unit tests to test loading dbx
 * enable FAT_WRITE as required by the UEFI spec
 
 The boot manager uses log functions instead of printf() and debug().
 
 The UEFI intialization state is exported.
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Merge tag 'efi-2020-10-rc1' of https://gitlab.denx.de/u-boot/custodians/u-boot-efi into next

Pull request for UEFI sub-system for efi-2020-10-rc1

This series comprises error corrections for the UEFI subsystem:

* correct consideration of timestamps for variable authentication
* correct collection of data regions for code authentication
* correct unit tests to test loading dbx
* enable FAT_WRITE as required by the UEFI spec

The boot manager uses log functions instead of printf() and debug().

The UEFI intialization state is exported.
This commit is contained in:
Tom Rini 2020-07-05 18:13:12 -04:00
commit 621e09cb3b
16 changed files with 424 additions and 240 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
MAINTAINERS
View File

@ -633,6 +633,7 @@ F: include/pe.h
F: include/asm-generic/pe.h
F: lib/charset.c
F: lib/efi*/
F: test/lib/efi_*
F: test/py/tests/test_efi*
F: test/py/tests/test_efi*/
F: test/unicode_ut.c

2
cmd/bootefi.c
View File

@ -200,7 +200,7 @@ static void efi_carve_out_dt_rsv(void *fdt)
* The /reserved-memory node may have children with
* a size instead of a reg property.
*/
if (addr != FDT_ADDR_T_NONE &&
if (fdt_addr != FDT_ADDR_T_NONE &&
fdtdec_get_is_enabled(fdt, subnode))
efi_reserve_memory(fdt_addr, fdt_size);
subnode = fdt_next_subnode(fdt, subnode);

3
include/efi_loader.h
View File

@ -56,6 +56,9 @@ static inline void *guidcpy(void *dst, const void *src)
/* Root node */
extern efi_handle_t efi_root;
/* Set to EFI_SUCCESS when initialized */
extern efi_status_t efi_obj_list_initialized;
/* EFI system partition */
extern struct efi_system_partition {
enum if_type if_type;

2
lib/efi_loader/Kconfig
View File

@ -15,6 +15,8 @@ config EFI_LOADER
select HAVE_BLOCK_DEVICE
select REGEX
imply CFB_CONSOLE_ANSI
imply FAT
imply FAT_WRITE
imply USB_KEYBOARD_FN_KEYS
imply VIDEO_ANSI
help

26
lib/efi_loader/efi_bootmgr.c
View File

@ -5,6 +5,8 @@
* Copyright (c) 2017 Rob Clark
*/
#define LOG_CATEGORY LOGC_EFI
#include <common.h>
#include <charset.h>
#include <log.h>
@ -203,14 +205,14 @@ static efi_status_t try_load_entry(u16 n, efi_handle_t *handle)
if (lo.attributes & LOAD_OPTION_ACTIVE) {
u32 attributes;
debug("%s: trying to load \"%ls\" from %pD\n",
__func__, lo.label, lo.file_path);
log_debug("%s: trying to load \"%ls\" from %pD\n",
__func__, lo.label, lo.file_path);
ret = EFI_CALL(efi_load_image(true, efi_root, lo.file_path,
NULL, 0, handle));
if (ret != EFI_SUCCESS) {
printf("Loading from Boot%04X '%ls' failed\n", n,
lo.label);
log_warning("Loading %ls '%ls' failed\n",
varname, lo.label);
goto error;
}
@ -224,11 +226,11 @@ static efi_status_t try_load_entry(u16 n, efi_handle_t *handle)
if (ret != EFI_SUCCESS) {
if (EFI_CALL(efi_unload_image(*handle))
!= EFI_SUCCESS)
printf("Unloading image failed\n");
log_err("Unloading image failed\n");
goto error;
}
printf("Booting: %ls\n", lo.label);
log_info("Booting: %ls\n", lo.label);
} else {
ret = EFI_LOAD_ERROR;
}
@ -268,7 +270,7 @@ efi_status_t efi_bootmgr_load(efi_handle_t *handle)
if (ret == EFI_SUCCESS || ret == EFI_BUFFER_TOO_SMALL) {
/* BootNext does exist here */
if (ret == EFI_BUFFER_TOO_SMALL || size != sizeof(u16))
printf("BootNext must be 16-bit integer\n");
log_err("BootNext must be 16-bit integer\n");
/* delete BootNext */
ret = EFI_CALL(efi_set_variable(
@ -283,24 +285,26 @@ efi_status_t efi_bootmgr_load(efi_handle_t *handle)
ret = try_load_entry(bootnext, handle);
if (ret == EFI_SUCCESS)
return ret;
printf("Loading from BootNext failed, falling back to BootOrder\n");
log_warning(
"Loading from BootNext failed, falling back to BootOrder\n");
}
} else {
printf("Deleting BootNext failed\n");
log_err("Deleting BootNext failed\n");
}
}
/* BootOrder */
bootorder = get_var(L"BootOrder", &efi_global_variable_guid, &size);
if (!bootorder) {
printf("BootOrder not defined\n");
log_info("BootOrder not defined\n");
ret = EFI_NOT_FOUND;
goto error;
}
num = size / sizeof(uint16_t);
for (i = 0; i < num; i++) {
debug("%s: trying to load Boot%04X\n", __func__, bootorder[i]);
log_debug("%s trying to load Boot%04X\n", __func__,
bootorder[i]);
ret = try_load_entry(bootorder[i], handle);
if (ret == EFI_SUCCESS)
break;

64
lib/efi_loader/efi_image_loader.c
View File

@ -325,8 +325,8 @@ bool efi_image_parse(void *efi, size_t len, struct efi_image_regions **regp,
authoff = opt->DataDirectory[ctidx].VirtualAddress;
authsz = opt->DataDirectory[ctidx].Size;
} else {
debug("%s: Invalid optional header magic %x\n", __func__,
nt->OptionalHeader.Magic);
EFI_PRINT("%s: Invalid optional header magic %x\n", __func__,
nt->OptionalHeader.Magic);
goto err;
}
@ -336,7 +336,7 @@ bool efi_image_parse(void *efi, size_t len, struct efi_image_regions **regp,
nt->FileHeader.SizeOfOptionalHeader);
sorted = calloc(sizeof(IMAGE_SECTION_HEADER *), num_sections);
if (!sorted) {
debug("%s: Out of memory\n", __func__);
EFI_PRINT("%s: Out of memory\n", __func__);
goto err;
}
@ -355,13 +355,13 @@ bool efi_image_parse(void *efi, size_t len, struct efi_image_regions **regp,
efi_image_region_add(regs, efi + sorted[i]->PointerToRawData,
efi + sorted[i]->PointerToRawData + size,
0);
debug("section[%d](%s): raw: 0x%x-0x%x, virt: %x-%x\n",
i, sorted[i]->Name,
sorted[i]->PointerToRawData,
sorted[i]->PointerToRawData + size,
sorted[i]->VirtualAddress,
sorted[i]->VirtualAddress
+ sorted[i]->Misc.VirtualSize);
EFI_PRINT("section[%d](%s): raw: 0x%x-0x%x, virt: %x-%x\n",
i, sorted[i]->Name,
sorted[i]->PointerToRawData,
sorted[i]->PointerToRawData + size,
sorted[i]->VirtualAddress,
sorted[i]->VirtualAddress
+ sorted[i]->Misc.VirtualSize);
bytes_hashed += size;
}
@ -369,8 +369,8 @@ bool efi_image_parse(void *efi, size_t len, struct efi_image_regions **regp,
/* 3. Extra data excluding Certificates Table */
if (bytes_hashed + authsz < len) {
debug("extra data for hash: %zu\n",
len - (bytes_hashed + authsz));
EFI_PRINT("extra data for hash: %lu\n",
len - (bytes_hashed + authsz));
efi_image_region_add(regs, efi + bytes_hashed,
efi + len - authsz, 0);
}
@ -378,18 +378,19 @@ bool efi_image_parse(void *efi, size_t len, struct efi_image_regions **regp,
/* Return Certificates Table */
if (authsz) {
if (len < authoff + authsz) {
debug("%s: Size for auth too large: %u >= %zu\n",
__func__, authsz, len - authoff);
EFI_PRINT("%s: Size for auth too large: %u >= %zu\n",
__func__, authsz, len - authoff);
goto err;
}
if (authsz < sizeof(*auth)) {
debug("%s: Size for auth too small: %u < %zu\n",
__func__, authsz, sizeof(*auth));
EFI_PRINT("%s: Size for auth too small: %u < %zu\n",
__func__, authsz, sizeof(*auth));
goto err;
}
*auth = efi + authoff;
*auth_len = authsz;
debug("WIN_CERTIFICATE: 0x%x, size: 0x%x\n", authoff, authsz);
EFI_PRINT("WIN_CERTIFICATE: 0x%x, size: 0x%x\n", authoff,
authsz);
} else {
*auth = NULL;
*auth_len = 0;
@ -423,19 +424,19 @@ static bool efi_image_unsigned_authenticate(struct efi_image_regions *regs)
dbx = efi_sigstore_parse_sigdb(L"dbx");
if (!dbx) {
debug("Getting signature database(dbx) failed\n");
EFI_PRINT("Getting signature database(dbx) failed\n");
goto out;
}
db = efi_sigstore_parse_sigdb(L"db");
if (!db) {
debug("Getting signature database(db) failed\n");
EFI_PRINT("Getting signature database(db) failed\n");
goto out;
}
/* try black-list first */
if (efi_signature_verify_with_sigdb(regs, NULL, dbx, NULL)) {
debug("Image is not signed and rejected by \"dbx\"\n");
EFI_PRINT("Image is not signed and rejected by \"dbx\"\n");
goto out;
}
@ -443,7 +444,7 @@ static bool efi_image_unsigned_authenticate(struct efi_image_regions *regs)
if (efi_signature_verify_with_sigdb(regs, NULL, db, NULL))
ret = true;
else
debug("Image is not signed and not found in \"db\" or \"dbx\"\n");
EFI_PRINT("Image is not signed and not found in \"db\" or \"dbx\"\n");
out:
efi_sigstore_free(db);
@ -504,7 +505,7 @@ static bool efi_image_authenticate(void *efi, size_t efi_size)
if (!efi_image_parse(efi, efi_size, &regs, &wincerts,
&wincerts_len)) {
debug("Parsing PE executable image failed\n");
EFI_PRINT("Parsing PE executable image failed\n");
goto err;
}
@ -520,13 +521,13 @@ static bool efi_image_authenticate(void *efi, size_t efi_size)
*/
db = efi_sigstore_parse_sigdb(L"db");
if (!db) {
debug("Getting signature database(db) failed\n");
EFI_PRINT("Getting signature database(db) failed\n");
goto err;
}
dbx = efi_sigstore_parse_sigdb(L"dbx");
if (!dbx) {
debug("Getting signature database(dbx) failed\n");
EFI_PRINT("Getting signature database(dbx) failed\n");
goto err;
}
@ -535,26 +536,27 @@ static bool efi_image_authenticate(void *efi, size_t efi_size)
(void *)wincert < (void *)wincerts + wincerts_len;
wincert = (void *)wincert + ALIGN(wincert->dwLength, 8)) {
if (wincert->dwLength < sizeof(*wincert)) {
debug("%s: dwLength too small: %u < %zu\n",
__func__, wincert->dwLength, sizeof(*wincert));
EFI_PRINT("%s: dwLength too small: %u < %zu\n",
__func__, wincert->dwLength,
sizeof(*wincert));
goto err;
}
msg = pkcs7_parse_message((void *)wincert + sizeof(*wincert),
wincert->dwLength - sizeof(*wincert));
if (IS_ERR(msg)) {
debug("Parsing image's signature failed\n");
EFI_PRINT("Parsing image's signature failed\n");
msg = NULL;
goto err;
}
/* try black-list first */
if (efi_signature_verify_with_sigdb(regs, msg, dbx, NULL)) {
debug("Signature was rejected by \"dbx\"\n");
EFI_PRINT("Signature was rejected by \"dbx\"\n");
goto err;
}
if (!efi_signature_verify_signers(msg, dbx)) {
debug("Signer was rejected by \"dbx\"\n");
EFI_PRINT("Signer was rejected by \"dbx\"\n");
goto err;
} else {
ret = true;
@ -562,14 +564,14 @@ static bool efi_image_authenticate(void *efi, size_t efi_size)
/* try white-list */
if (!efi_signature_verify_with_sigdb(regs, msg, db, &cert)) {
debug("Verifying signature with \"db\" failed\n");
EFI_PRINT("Verifying signature with \"db\" failed\n");
goto err;
} else {
ret = true;
}
if (!efi_signature_verify_cert(cert, dbx)) {
debug("Certificate was rejected by \"dbx\"\n");
EFI_PRINT("Certificate was rejected by \"dbx\"\n");
goto err;
} else {
ret = true;

9
lib/efi_loader/efi_setup.c
View File

@ -11,7 +11,7 @@
#define OBJ_LIST_NOT_INITIALIZED 1
static efi_status_t efi_obj_list_initialized = OBJ_LIST_NOT_INITIALIZED;
efi_status_t efi_obj_list_initialized = OBJ_LIST_NOT_INITIALIZED;
/*
* Allow unaligned memory access.
@ -140,6 +140,10 @@ efi_status_t efi_init_obj_list(void)
if (ret != EFI_SUCCESS)
goto out;
ret = efi_console_register();
if (ret != EFI_SUCCESS)
goto out;
#ifdef CONFIG_PARTITIONS
ret = efi_disk_register();
if (ret != EFI_SUCCESS)
@ -185,9 +189,6 @@ efi_status_t efi_init_obj_list(void)
if (ret != EFI_SUCCESS)
goto out;
ret = efi_console_register();
if (ret != EFI_SUCCESS)
goto out;
#if defined(CONFIG_LCD) || defined(CONFIG_DM_VIDEO)
ret = efi_gop_register();
if (ret != EFI_SUCCESS)

152
lib/efi_loader/efi_signature.c
View File

@ -42,14 +42,14 @@ static bool efi_hash_regions(struct efi_image_regions *regs, void **hash,
*size = 0;
*hash = calloc(1, SHA256_SUM_LEN);
if (!*hash) {
debug("Out of memory\n");
EFI_PRINT("Out of memory\n");
return false;
}
*size = SHA256_SUM_LEN;
hash_calculate("sha256", regs->reg, regs->num, *hash);
#ifdef DEBUG
debug("hash calculated:\n");
EFI_PRINT("hash calculated:\n");
print_hex_dump(" ", DUMP_PREFIX_OFFSET, 16, 1,
*hash, SHA256_SUM_LEN, false);
#endif
@ -75,7 +75,7 @@ static bool efi_hash_msg_content(struct pkcs7_message *msg, void **hash,
*size = 0;
*hash = calloc(1, SHA256_SUM_LEN);
if (!*hash) {
debug("Out of memory\n");
EFI_PRINT("Out of memory\n");
free(msg);
return false;
}
@ -86,7 +86,7 @@ static bool efi_hash_msg_content(struct pkcs7_message *msg, void **hash,
hash_calculate("sha256", &regtmp, 1, *hash);
#ifdef DEBUG
debug("hash calculated based on contentInfo:\n");
EFI_PRINT("hash calculated based on contentInfo:\n");
print_hex_dump(" ", DUMP_PREFIX_OFFSET, 16, 1,
*hash, SHA256_SUM_LEN, false);
#endif
@ -119,8 +119,8 @@ static bool efi_signature_verify(struct efi_image_regions *regs,
char c;
bool verified;
debug("%s: Enter, %p, %p, %p(issuer: %s, subject: %s)\n", __func__,
regs, ps_info, cert, cert->issuer, cert->subject);
EFI_PRINT("%s: Enter, %p, %p, %p(issuer: %s, subject: %s)\n", __func__,
regs, ps_info, cert, cert->issuer, cert->subject);
verified = false;
@ -138,7 +138,8 @@ static bool efi_signature_verify(struct efi_image_regions *regs,
info.checksum = image_get_checksum_algo("sha256,rsa2048");
info.name = "sha256,rsa2048";
} else {
debug("unknown msg digest algo: %s\n", ps_info->sig->hash_algo);
EFI_PRINT("unknown msg digest algo: %s\n",
ps_info->sig->hash_algo);
goto out;
}
info.crypto = image_get_crypto_algo(info.name);
@ -147,21 +148,22 @@ static bool efi_signature_verify(struct efi_image_regions *regs,
info.keylen = cert->pub->keylen;
/* verify signature */
debug("%s: crypto: %s, signature len:%x\n", __func__,
info.name, ps_info->sig->s_size);
EFI_PRINT("%s: crypto: %s, signature len:%x\n", __func__,
info.name, ps_info->sig->s_size);
if (ps_info->aa_set & (1UL << sinfo_has_message_digest)) {
debug("%s: RSA verify authentication attribute\n", __func__);
EFI_PRINT("%s: RSA verify authentication attribute\n",
__func__);
/*
* NOTE: This path will be executed only for
* PE image authentication
*/
/* check if hash matches digest first */
debug("checking msg digest first, len:0x%x\n",
ps_info->msgdigest_len);
EFI_PRINT("checking msg digest first, len:0x%x\n",
ps_info->msgdigest_len);
#ifdef DEBUG
debug("hash in database:\n");
EFI_PRINT("hash in database:\n");
print_hex_dump(" ", DUMP_PREFIX_OFFSET, 16, 1,
ps_info->msgdigest, ps_info->msgdigest_len,
false);
@ -173,14 +175,14 @@ static bool efi_signature_verify(struct efi_image_regions *regs,
/* for authenticated variable */
if (ps_info->msgdigest_len != size ||
memcmp(hash, ps_info->msgdigest, size)) {
debug("Digest doesn't match\n");
EFI_PRINT("Digest doesn't match\n");
free(hash);
goto out;
}
free(hash);
} else {
debug("Digesting image failed\n");
EFI_PRINT("Digesting image failed\n");
goto out;
}
@ -195,7 +197,7 @@ static bool efi_signature_verify(struct efi_image_regions *regs,
ps_info->sig->s, ps_info->sig->s_size))
verified = true;
} else {
debug("%s: RSA verify content data\n", __func__);
EFI_PRINT("%s: RSA verify content data\n", __func__);
/* against all data */
if (!rsa_verify(&info, regs->reg, regs->num,
ps_info->sig->s, ps_info->sig->s_size))
@ -203,7 +205,7 @@ static bool efi_signature_verify(struct efi_image_regions *regs,
}
out:
debug("%s: Exit, verified: %d\n", __func__, verified);
EFI_PRINT("%s: Exit, verified: %d\n", __func__, verified);
return verified;
}
@ -233,26 +235,26 @@ bool efi_signature_verify_with_list(struct efi_image_regions *regs,
struct efi_sig_data *sig_data;
bool verified = false;
debug("%s: Enter, %p, %p, %p, %p\n", __func__,
regs, signed_info, siglist, valid_cert);
EFI_PRINT("%s: Enter, %p, %p, %p, %p\n", __func__,
regs, signed_info, siglist, valid_cert);
if (!signed_info) {
void *hash;
size_t size;
debug("%s: unsigned image\n", __func__);
EFI_PRINT("%s: unsigned image\n", __func__);
/*
* verify based on calculated hash value
* TODO: support other hash algorithms
*/
if (guidcmp(&siglist->sig_type, &efi_guid_sha256)) {
debug("Digest algorithm is not supported: %pUl\n",
&siglist->sig_type);
EFI_PRINT("Digest algorithm is not supported: %pUl\n",
&siglist->sig_type);
goto out;
}
if (!efi_hash_regions(regs, &hash, &size)) {
debug("Digesting unsigned image failed\n");
EFI_PRINT("Digesting unsigned image failed\n");
goto out;
}
@ -260,7 +262,7 @@ bool efi_signature_verify_with_list(struct efi_image_regions *regs,
for (sig_data = siglist->sig_data_list; sig_data;
sig_data = sig_data->next) {
#ifdef DEBUG
debug("Msg digest in database:\n");
EFI_PRINT("Msg digest in database:\n");
print_hex_dump(" ", DUMP_PREFIX_OFFSET, 16, 1,
sig_data->data, sig_data->size, false);
#endif
@ -275,10 +277,10 @@ bool efi_signature_verify_with_list(struct efi_image_regions *regs,
goto out;
}
debug("%s: signed image\n", __func__);
EFI_PRINT("%s: signed image\n", __func__);
if (guidcmp(&siglist->sig_type, &efi_guid_cert_x509)) {
debug("Signature type is not supported: %pUl\n",
&siglist->sig_type);
EFI_PRINT("Signature type is not supported: %pUl\n",
&siglist->sig_type);
goto out;
}
@ -289,7 +291,7 @@ bool efi_signature_verify_with_list(struct efi_image_regions *regs,
cert = x509_cert_parse(sig_data->data, sig_data->size);
if (IS_ERR(cert)) {
debug("Parsing x509 certificate failed\n");
EFI_PRINT("Parsing x509 certificate failed\n");
goto out;
}
@ -306,7 +308,7 @@ bool efi_signature_verify_with_list(struct efi_image_regions *regs,
}
out:
debug("%s: Exit, verified: %d\n", __func__, verified);
EFI_PRINT("%s: Exit, verified: %d\n", __func__, verified);
return verified;
}
@ -331,7 +333,7 @@ bool efi_signature_verify_with_sigdb(struct efi_image_regions *regs,
struct efi_signature_store *siglist;
bool verified = false;
debug("%s: Enter, %p, %p, %p, %p\n", __func__, regs, msg, db, cert);
EFI_PRINT("%s: Enter, %p, %p, %p, %p\n", __func__, regs, msg, db, cert);
if (!db)
goto out;
@ -341,7 +343,7 @@ bool efi_signature_verify_with_sigdb(struct efi_image_regions *regs,
/* for unsigned image */
if (!msg) {
debug("%s: Verify unsigned image with db\n", __func__);
EFI_PRINT("%s: Verify unsigned image with db\n", __func__);
for (siglist = db; siglist; siglist = siglist->next)
if (efi_signature_verify_with_list(regs, NULL, NULL,
siglist, cert)) {
@ -353,10 +355,10 @@ bool efi_signature_verify_with_sigdb(struct efi_image_regions *regs,
}
/* for signed image or variable */
debug("%s: Verify signed image with db\n", __func__);
EFI_PRINT("%s: Verify signed image with db\n", __func__);
for (info = msg->signed_infos; info; info = info->next) {
debug("Signed Info: digest algo: %s, pkey algo: %s\n",
info->sig->hash_algo, info->sig->pkey_algo);
EFI_PRINT("Signed Info: digest algo: %s, pkey algo: %s\n",
info->sig->hash_algo, info->sig->pkey_algo);
for (siglist = db; siglist; siglist = siglist->next) {
if (efi_signature_verify_with_list(regs, msg, info,
@ -368,7 +370,7 @@ bool efi_signature_verify_with_sigdb(struct efi_image_regions *regs,
}
out:
debug("%s: Exit, verified: %d\n", __func__, verified);
EFI_PRINT("%s: Exit, verified: %d\n", __func__, verified);
return verified;
}
@ -400,21 +402,21 @@ static bool efi_search_siglist(struct x509_certificate *cert,
if (guidcmp(&siglist->sig_type, &efi_guid_cert_x509_sha256)) {
/* TODO: other hash algos */
debug("Certificate's digest type is not supported: %pUl\n",
&siglist->sig_type);
EFI_PRINT("Certificate's digest type is not supported: %pUl\n",
&siglist->sig_type);
goto out;
}
/* calculate hash of TBSCertificate */
msg = calloc(1, SHA256_SUM_LEN);
if (!msg) {
debug("Out of memory\n");
EFI_PRINT("Out of memory\n");
goto out;
}
hash = calloc(1, SHA256_SUM_LEN);
if (!hash) {
debug("Out of memory\n");
EFI_PRINT("Out of memory\n");
goto out;
}
@ -465,7 +467,7 @@ bool efi_signature_verify_cert(struct x509_certificate *cert,
time64_t revoc_time;
bool found = false;
debug("%s: Enter, %p, %p\n", __func__, dbx, cert);
EFI_PRINT("%s: Enter, %p, %p\n", __func__, dbx, cert);
if (!cert)
return false;
@ -480,7 +482,7 @@ bool efi_signature_verify_cert(struct x509_certificate *cert,
}
}
debug("%s: Exit, verified: %d\n", __func__, !found);
EFI_PRINT("%s: Exit, verified: %d\n", __func__, !found);
return !found;
}
@ -501,7 +503,7 @@ bool efi_signature_verify_signers(struct pkcs7_message *msg,
struct pkcs7_signed_info *info;
bool found = false;
debug("%s: Enter, %p, %p\n", __func__, msg, dbx);
EFI_PRINT("%s: Enter, %p, %p\n", __func__, msg, dbx);
if (!msg)
goto out;
@ -514,20 +516,24 @@ bool efi_signature_verify_signers(struct pkcs7_message *msg,
}
}
out:
debug("%s: Exit, verified: %d\n", __func__, !found);
EFI_PRINT("%s: Exit, verified: %d\n", __func__, !found);
return !found;
}
/**
* efi_image_region_add - add an entry of region
* efi_image_region_add() - add an entry of region
* @regs: Pointer to array of regions
* @start: Start address of region
* @end: End address of region
* @start: Start address of region (included)
* @end: End address of region (excluded)
* @nocheck: flag against overlapped regions
*
* Take one entry of region [@start, @end] and append it to the list
* pointed to by @regs. If @nocheck is false, overlapping among entries
* will be checked first.
* Take one entry of region [@start, @end[ and insert it into the list.
*
* * If @nocheck is false, the list will be sorted ascending by address.
* Overlapping entries will not be allowed.
*
* * If @nocheck is true, the list will be sorted ascending by sequence
* of adding the entries. Overlapping is allowed.
*
* Return: status code
*/
@ -539,7 +545,7 @@ efi_status_t efi_image_region_add(struct efi_image_regions *regs,
int i, j;
if (regs->num >= regs->max) {
debug("%s: no more room for regions\n", __func__);
EFI_PRINT("%s: no more room for regions\n", __func__);
return EFI_OUT_OF_RESOURCES;
}
@ -551,22 +557,21 @@ efi_status_t efi_image_region_add(struct efi_image_regions *regs,
if (nocheck)
continue;
if (start > reg->data + reg->size)
/* new data after registered region */
if (start >= reg->data + reg->size)
continue;
if ((start >= reg->data && start < reg->data + reg->size) ||
(end > reg->data && end < reg->data + reg->size)) {
debug("%s: new region already part of another\n",
__func__);
return EFI_INVALID_PARAMETER;
}
if (start < reg->data && end < reg->data + reg->size) {
/* new data preceding registered region */
if (end <= reg->data) {
for (j = regs->num - 1; j >= i; j--)
memcpy(&regs->reg[j], &regs->reg[j + 1],
memcpy(&regs->reg[j + 1], &regs->reg[j],
sizeof(*reg));
break;
}
/* new data overlapping registered region */
EFI_PRINT("%s: new region already part of another\n", __func__);
return EFI_INVALID_PARAMETER;
}
reg = &regs->reg[i];
@ -649,14 +654,14 @@ efi_sigstore_parse_siglist(struct efi_signature_list *esl)
if (esl->signature_list_size
<= (sizeof(*esl) + esl->signature_header_size)) {
debug("Siglist in wrong format\n");
EFI_PRINT("Siglist in wrong format\n");
return NULL;
}
/* Create a head */
siglist = calloc(sizeof(*siglist), 1);
if (!siglist) {
debug("Out of memory\n");
EFI_PRINT("Out of memory\n");
goto err;
}
memcpy(&siglist->sig_type, &esl->signature_type, sizeof(efi_guid_t));
@ -671,14 +676,14 @@ efi_sigstore_parse_siglist(struct efi_signature_list *esl)
while (left > 0) {
/* Signature must exist if there is remaining data. */
if (left < esl->signature_size) {
debug("Certificate is too small\n");
EFI_PRINT("Certificate is too small\n");
goto err;
}
sig_data = calloc(esl->signature_size
- sizeof(esd->signature_owner), 1);
if (!sig_data) {
debug("Out of memory\n");
EFI_PRINT("Out of memory\n");
goto err;
}
@ -689,7 +694,7 @@ efi_sigstore_parse_siglist(struct efi_signature_list *esl)
- sizeof(esd->signature_owner);
sig_data->data = malloc(sig_data->size);
if (!sig_data->data) {
debug("Out of memory\n");
EFI_PRINT("Out of memory\n");
goto err;
}
memcpy(sig_data->data, esd->signature_data, sig_data->size);
@ -735,7 +740,7 @@ struct efi_signature_store *efi_sigstore_parse_sigdb(u16 *name)
} else if (!u16_strcmp(name, L"db") || !u16_strcmp(name, L"dbx")) {
vendor = &efi_guid_image_security_database;
} else {
debug("unknown signature database, %ls\n", name);
EFI_PRINT("unknown signature database, %ls\n", name);
return NULL;
}
@ -743,23 +748,23 @@ struct efi_signature_store *efi_sigstore_parse_sigdb(u16 *name)
db_size = 0;
ret = EFI_CALL(efi_get_variable(name, vendor, NULL, &db_size, NULL));
if (ret == EFI_NOT_FOUND) {
debug("variable, %ls, not found\n", name);
EFI_PRINT("variable, %ls, not found\n", name);
sigstore = calloc(sizeof(*sigstore), 1);
return sigstore;
} else if (ret != EFI_BUFFER_TOO_SMALL) {
debug("Getting variable, %ls, failed\n", name);
EFI_PRINT("Getting variable, %ls, failed\n", name);
return NULL;
}
db = malloc(db_size);
if (!db) {
debug("Out of memory\n");
EFI_PRINT("Out of memory\n");
return NULL;
}
ret = EFI_CALL(efi_get_variable(name, vendor, NULL, &db_size, db));
if (ret != EFI_SUCCESS) {
debug("Getting variable, %ls, failed\n", name);
EFI_PRINT("Getting variable, %ls, failed\n", name);
goto err;
}
@ -768,19 +773,20 @@ struct efi_signature_store *efi_sigstore_parse_sigdb(u16 *name)
while (db_size > 0) {
/* List must exist if there is remaining data. */
if (db_size < sizeof(*esl)) {
debug("variable, %ls, in wrong format\n", name);
EFI_PRINT("variable, %ls, in wrong format\n", name);
goto err;
}
if (db_size < esl->signature_list_size) {
debug("variable, %ls, in wrong format\n", name);
EFI_PRINT("variable, %ls, in wrong format\n", name);
goto err;
}
/* Parse a single siglist. */
siglist = efi_sigstore_parse_siglist(esl);
if (!siglist) {
debug("Parsing signature list of %ls failed\n", name);
EFI_PRINT("Parsing signature list of %ls failed\n",
name);
goto err;
}

54
lib/efi_loader/efi_variable.c
View File

@ -35,7 +35,8 @@ static u8 efi_vendor_keys;
static efi_status_t efi_get_variable_common(u16 *variable_name,
const efi_guid_t *vendor,
u32 *attributes,
efi_uintn_t *data_size, void *data);
efi_uintn_t *data_size, void *data,
u64 *timep);
static efi_status_t efi_set_variable_common(u16 *variable_name,
const efi_guid_t *vendor,
@ -243,7 +244,8 @@ static efi_status_t efi_transfer_secure_state(enum efi_secure_mode mode)
{
efi_status_t ret;
debug("Switching secure state from %d to %d\n", efi_secure_mode, mode);
EFI_PRINT("Switching secure state from %d to %d\n", efi_secure_mode,
mode);
if (mode == EFI_MODE_DEPLOYED) {
ret = efi_set_secure_state(1, 0, 0, 1);
@ -308,7 +310,7 @@ static efi_status_t efi_init_secure_state(void)
size = 0;
ret = efi_get_variable_common(L"PK", &efi_global_variable_guid,
NULL, &size, NULL);
NULL, &size, NULL, NULL);
if (ret == EFI_BUFFER_TOO_SMALL) {
if (IS_ENABLED(CONFIG_EFI_SECURE_BOOT))
mode = EFI_MODE_USER;
@ -394,16 +396,16 @@ static struct pkcs7_message *efi_variable_parse_signature(const void *buf,
* TODO:
* The header should be composed in a more refined manner.
*/
debug("Makeshift prefix added to authentication data\n");
EFI_PRINT("Makeshift prefix added to authentication data\n");
ebuflen = sizeof(pkcs7_hdr) + buflen;
if (ebuflen <= 0x7f) {
debug("Data is too short\n");
EFI_PRINT("Data is too short\n");
return NULL;
}
ebuf = malloc(ebuflen);
if (!ebuf) {
debug("Out of memory\n");
EFI_PRINT("Out of memory\n");
return NULL;
}
@ -480,11 +482,15 @@ static efi_status_t efi_variable_authenticate(u16 *variable,
if (guidcmp(&auth->auth_info.cert_type, &efi_guid_cert_type_pkcs7))
goto err;
memcpy(&timestamp, &auth->time_stamp, sizeof(timestamp));
if (timestamp.pad1 || timestamp.nanosecond || timestamp.timezone ||
timestamp.daylight || timestamp.pad2)
goto err;
*data += sizeof(auth->time_stamp) + auth->auth_info.hdr.dwLength;
*data_size -= (sizeof(auth->time_stamp)
+ auth->auth_info.hdr.dwLength);
memcpy(&timestamp, &auth->time_stamp, sizeof(timestamp));
memset(&tm, 0, sizeof(tm));
tm.tm_year = timestamp.year;
tm.tm_mon = timestamp.month;
@ -527,7 +533,7 @@ static efi_status_t efi_variable_authenticate(u16 *variable,
auth->auth_info.hdr.dwLength
- sizeof(auth->auth_info));
if (!var_sig) {
debug("Parsing variable's signature failed\n");
EFI_PRINT("Parsing variable's signature failed\n");
goto err;
}
@ -558,20 +564,20 @@ static efi_status_t efi_variable_authenticate(u16 *variable,
/* verify signature */
if (efi_signature_verify_with_sigdb(regs, var_sig, truststore, NULL)) {
debug("Verified\n");
EFI_PRINT("Verified\n");
} else {
if (truststore2 &&
efi_signature_verify_with_sigdb(regs, var_sig,
truststore2, NULL)) {
debug("Verified\n");
EFI_PRINT("Verified\n");
} else {
debug("Verifying variable's signature failed\n");
EFI_PRINT("Verifying variable's signature failed\n");
goto err;
}
}
/* finished checking */
*time = rtc_mktime(&tm);
*time = new_time;
ret = EFI_SUCCESS;
err:
@ -596,7 +602,8 @@ static efi_status_t efi_variable_authenticate(u16 *variable,
static efi_status_t efi_get_variable_common(u16 *variable_name,
const efi_guid_t *vendor,
u32 *attributes,
efi_uintn_t *data_size, void *data)
efi_uintn_t *data_size, void *data,
u64 *timep)
{
char *native_name;
efi_status_t ret;
@ -606,7 +613,7 @@ static efi_status_t efi_get_variable_common(u16 *variable_name,
u32 attr;
if (!variable_name || !vendor || !data_size)
return EFI_EXIT(EFI_INVALID_PARAMETER);
return EFI_INVALID_PARAMETER;
ret = efi_to_native(&native_name, variable_name, vendor);
if (ret)
@ -621,6 +628,9 @@ static efi_status_t efi_get_variable_common(u16 *variable_name,
val = parse_attr(val, &attr, &time);
if (timep)
*timep = time;
in_size = *data_size;
if ((s = prefix(val, "(blob)"))) {
@ -640,7 +650,7 @@ static efi_status_t efi_get_variable_common(u16 *variable_name,
}
if (!data) {
debug("Variable with no data shouldn't exist.\n");
EFI_PRINT("Variable with no data shouldn't exist.\n");
return EFI_INVALID_PARAMETER;
}
@ -659,7 +669,7 @@ static efi_status_t efi_get_variable_common(u16 *variable_name,
}
if (!data) {
debug("Variable with no data shouldn't exist.\n");
EFI_PRINT("Variable with no data shouldn't exist.\n");
return EFI_INVALID_PARAMETER;
}
@ -704,7 +714,7 @@ efi_status_t EFIAPI efi_get_variable(u16 *variable_name,
data_size, data);
ret = efi_get_variable_common(variable_name, vendor, attributes,
data_size, data);
data_size, data, NULL);
return EFI_EXIT(ret);
}
@ -900,7 +910,7 @@ static efi_status_t efi_set_variable_common(u16 *variable_name,
old_size = 0;
attr = 0;
ret = efi_get_variable_common(variable_name, vendor, &attr,
&old_size, NULL);
&old_size, NULL, &time);
append = !!(attributes & EFI_VARIABLE_APPEND_WRITE);
attributes &= ~(u32)EFI_VARIABLE_APPEND_WRITE;
delete = !append && (!data_size || !attributes);
@ -940,8 +950,8 @@ static efi_status_t efi_set_variable_common(u16 *variable_name,
/* authentication is mandatory */
if (!(attributes &
EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS)) {
debug("%ls: AUTHENTICATED_WRITE_ACCESS required\n",
variable_name);
EFI_PRINT("%ls: AUTHENTICATED_WRITE_ACCESS required\n",
variable_name);
ret = EFI_INVALID_PARAMETER;
goto err;
}
@ -970,7 +980,7 @@ static efi_status_t efi_set_variable_common(u16 *variable_name,
if (attributes &
(EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS |
EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS)) {
debug("Secure boot is not configured\n");
EFI_PRINT("Secure boot is not configured\n");
ret = EFI_INVALID_PARAMETER;
goto err;
}
@ -991,7 +1001,7 @@ static efi_status_t efi_set_variable_common(u16 *variable_name,
goto err;
}
ret = efi_get_variable_common(variable_name, vendor,
&attr, &old_size, old_data);
&attr, &old_size, old_data, NULL);
if (ret != EFI_SUCCESS)
goto err;
} else {

1
test/lib/Makefile
View File

@ -3,6 +3,7 @@
# (C) Copyright 2018
# Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc
obj-y += cmd_ut_lib.o
obj-$(CONFIG_EFI_SECURE_BOOT) += efi_image_region.o
obj-y += hexdump.o
obj-y += lmb.o
obj-y += string.o

163
test/lib/efi_image_region.c Normal file
View File

@ -0,0 +1,163 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2020, Heinrich Schuchardt <xypron.glpk@gmx.de>
*/
#include <common.h>
#include <efi_loader.h>
#include <test/lib.h>
#include <test/test.h>
#include <test/ut.h>
#define UT_REG_CAPACITY 6
static int lib_test_efi_image_region_add(struct unit_test_state *uts)
{
struct efi_image_regions *regs;
regs = calloc(sizeof(*regs) +
sizeof(struct image_region) * UT_REG_CAPACITY, 1);
ut_assert(regs);
regs->max = UT_REG_CAPACITY;
ut_asserteq(0, regs->num);
ut_asserteq_64(EFI_INVALID_PARAMETER,
efi_image_region_add(regs, (void *)0x4000,
(void *)0x3000, 1));
ut_asserteq(0, regs->num);
ut_asserteq_64(EFI_SUCCESS,
efi_image_region_add(regs, (void *)0x3100,
(void *)0x4000, 1));
ut_asserteq(1, regs->num);
ut_asserteq_64(EFI_SUCCESS,
efi_image_region_add(regs, (void *)0x2000,
(void *)0x3100, 1));
ut_asserteq(2, regs->num);
ut_asserteq_64(EFI_SUCCESS,
efi_image_region_add(regs, (void *)0x1000,
(void *)0x1f00, 1));
ut_asserteq(3, regs->num);
ut_asserteq_64(EFI_SUCCESS,
efi_image_region_add(regs, (void *)0x4000,
(void *)0x4e00, 1));
ut_asserteq(4, regs->num);
ut_asserteq_64(EFI_SUCCESS,
efi_image_region_add(regs, (void *)0x1f00,
(void *)0x2001, 1));
ut_asserteq(5, regs->num);
ut_asserteq_ptr((void *)0x3100, regs->reg[0].data);
ut_asserteq(0x0f00, regs->reg[0].size);
ut_asserteq_ptr((void *)0x2000, regs->reg[1].data);
ut_asserteq(0x1100, regs->reg[1].size);
ut_asserteq_ptr((void *)0x1000, regs->reg[2].data);
ut_asserteq(0x0f00, regs->reg[2].size);
ut_asserteq_ptr((void *)0x4000, regs->reg[3].data);
ut_asserteq(0x0e00, regs->reg[3].size);
ut_asserteq_ptr((void *)0x1f00, regs->reg[4].data);
ut_asserteq(0x0101, regs->reg[4].size);
free(regs);
return 0;
}
LIB_TEST(lib_test_efi_image_region_add, 0);
static int lib_test_efi_image_region_sort(struct unit_test_state *uts)
{
struct efi_image_regions *regs;
regs = calloc(sizeof(*regs) +
sizeof(struct image_region) * UT_REG_CAPACITY, 1);
ut_assert(regs);
regs->max = UT_REG_CAPACITY;
ut_asserteq(0, regs->num);
ut_asserteq_64(EFI_INVALID_PARAMETER,
efi_image_region_add(regs, (void *)0x4000,
(void *)0x3000, 0));
ut_asserteq(0, regs->num);
ut_asserteq_64(EFI_SUCCESS,
efi_image_region_add(regs, (void *)0x3100,
(void *)0x4000, 0));
ut_asserteq(1, regs->num);
ut_asserteq_64(EFI_SUCCESS,
efi_image_region_add(regs, (void *)0x2000,
(void *)0x3100, 0));
ut_asserteq(2, regs->num);
ut_asserteq_64(EFI_SUCCESS,
efi_image_region_add(regs, (void *)0x1000,
(void *)0x1f00, 0));
ut_asserteq(3, regs->num);
ut_asserteq_64(EFI_SUCCESS,
efi_image_region_add(regs, (void *)0x4000,
(void *)0x4e00, 0));
ut_asserteq(4, regs->num);
ut_asserteq_64(EFI_INVALID_PARAMETER,
efi_image_region_add(regs, (void *)0x1f00,
(void *)0x2001, 0));
ut_asserteq(4, regs->num);
ut_asserteq_64(EFI_INVALID_PARAMETER,
efi_image_region_add(regs, (void *)0x10ff,
(void *)0x11ff, 0));
ut_asserteq(4, regs->num);
ut_asserteq_64(EFI_INVALID_PARAMETER,
efi_image_region_add(regs, (void *)0x0000,
(void *)0x6000, 0));
ut_asserteq(4, regs->num);
ut_asserteq_64(EFI_INVALID_PARAMETER,
efi_image_region_add(regs, (void *)0x3100,
(void *)0x0e00, 0));
ut_asserteq(4, regs->num);
ut_asserteq_64(EFI_INVALID_PARAMETER,
efi_image_region_add(regs, (void *)0x3200,
(void *)0x0e00, 0));
ut_asserteq(4, regs->num);
ut_asserteq_64(EFI_INVALID_PARAMETER,
efi_image_region_add(regs, (void *)0x3200,
(void *)0x0d00, 0));
ut_asserteq(4, regs->num);
ut_asserteq_64(EFI_SUCCESS,
efi_image_region_add(regs, (void *)0x1f00,
(void *)0x2000, 0));
ut_asserteq(5, regs->num);
ut_asserteq_64(EFI_SUCCESS,
efi_image_region_add(regs, (void *)0x4000,
(void *)0x4000, 0));
ut_asserteq(6, regs->num);
ut_asserteq_64(EFI_OUT_OF_RESOURCES,
efi_image_region_add(regs, (void *)0x6000,
(void *)0x0100, 0));
ut_asserteq(6, regs->num);
ut_asserteq_ptr((void *)0x1000, regs->reg[0].data);
ut_asserteq(0x0f00, regs->reg[0].size);
ut_asserteq_ptr((void *)0x1f00, regs->reg[1].data);
ut_asserteq(0x0100, regs->reg[1].size);
ut_asserteq_ptr((void *)0x2000, regs->reg[2].data);
ut_asserteq(0x1100, regs->reg[2].size);
ut_asserteq_ptr((void *)0x3100, regs->reg[3].data);
ut_asserteq(0x0f00, regs->reg[3].size);
ut_asserteq_ptr((void *)0x4000, regs->reg[4].data);
ut_asserteq(0x0000, regs->reg[4].size);
ut_asserteq_ptr((void *)0x4000, regs->reg[5].data);
ut_asserteq(0x0e00, regs->reg[5].size);
free(regs);
return 0;
}
LIB_TEST(lib_test_efi_image_region_sort, 0);

4
test/py/tests/test_efi_fit.py
View File

@ -106,14 +106,14 @@ FDT_DATA = '''
/ {
#address-cells = <1>;
#size-cells = <0>;
#size-cells = <1>;
model = "%(sys-arch)s %(fdt_type)s EFI FIT Boot Test";
compatible = "%(sys-arch)s";
reset@0 {
compatible = "%(sys-arch)s,reset";
reg = <0>;
reg = <0 4>;
};
};
'''

16
test/py/tests/test_efi_secboot/conftest.py
View File

@ -76,37 +76,37 @@ def efi_boot_env(request, u_boot_config):
## PK
check_call('cd %s; openssl req -x509 -sha256 -newkey rsa:2048 -subj /CN=TEST_PK/ -keyout PK.key -out PK.crt -nodes -days 365'
% mnt_point, shell=True)
check_call('cd %s; %scert-to-efi-sig-list -g %s PK.crt PK.esl; %ssign-efi-sig-list -c PK.crt -k PK.key PK PK.esl PK.auth'
check_call('cd %s; %scert-to-efi-sig-list -g %s PK.crt PK.esl; %ssign-efi-sig-list -t "2020-04-01" -c PK.crt -k PK.key PK PK.esl PK.auth'
% (mnt_point, EFITOOLS_PATH, GUID, EFITOOLS_PATH),
shell=True)
## PK_null for deletion
check_call('cd %s; sleep 2; touch PK_null.esl; %ssign-efi-sig-list -c PK.crt -k PK.key PK PK_null.esl PK_null.auth'
check_call('cd %s; touch PK_null.esl; %ssign-efi-sig-list -t "2020-04-02" -c PK.crt -k PK.key PK PK_null.esl PK_null.auth'
% (mnt_point, EFITOOLS_PATH), shell=True)
## KEK
check_call('cd %s; openssl req -x509 -sha256 -newkey rsa:2048 -subj /CN=TEST_KEK/ -keyout KEK.key -out KEK.crt -nodes -days 365'
% mnt_point, shell=True)
check_call('cd %s; %scert-to-efi-sig-list -g %s KEK.crt KEK.esl; %ssign-efi-sig-list -c PK.crt -k PK.key KEK KEK.esl KEK.auth'
check_call('cd %s; %scert-to-efi-sig-list -g %s KEK.crt KEK.esl; %ssign-efi-sig-list -t "2020-04-03" -c PK.crt -k PK.key KEK KEK.esl KEK.auth'
% (mnt_point, EFITOOLS_PATH, GUID, EFITOOLS_PATH),
shell=True)
## db
check_call('cd %s; openssl req -x509 -sha256 -newkey rsa:2048 -subj /CN=TEST_db/ -keyout db.key -out db.crt -nodes -days 365'
% mnt_point, shell=True)
check_call('cd %s; %scert-to-efi-sig-list -g %s db.crt db.esl; %ssign-efi-sig-list -c KEK.crt -k KEK.key db db.esl db.auth'
check_call('cd %s; %scert-to-efi-sig-list -g %s db.crt db.esl; %ssign-efi-sig-list -t "2020-04-04" -c KEK.crt -k KEK.key db db.esl db.auth'
% (mnt_point, EFITOOLS_PATH, GUID, EFITOOLS_PATH),
shell=True)
## db1
check_call('cd %s; openssl req -x509 -sha256 -newkey rsa:2048 -subj /CN=TEST_db1/ -keyout db1.key -out db1.crt -nodes -days 365'
% mnt_point, shell=True)
check_call('cd %s; %scert-to-efi-sig-list -g %s db1.crt db1.esl; %ssign-efi-sig-list -c KEK.crt -k KEK.key db db1.esl db1.auth'
check_call('cd %s; %scert-to-efi-sig-list -g %s db1.crt db1.esl; %ssign-efi-sig-list -t "2020-04-05" -c KEK.crt -k KEK.key db db1.esl db1.auth'
% (mnt_point, EFITOOLS_PATH, GUID, EFITOOLS_PATH),
shell=True)
## db1-update
check_call('cd %s; %ssign-efi-sig-list -a -c KEK.crt -k KEK.key db db1.esl db1-update.auth'
check_call('cd %s; %ssign-efi-sig-list -t "2020-04-06" -a -c KEK.crt -k KEK.key db db1.esl db1-update.auth'
% (mnt_point, EFITOOLS_PATH), shell=True)
## dbx
check_call('cd %s; openssl req -x509 -sha256 -newkey rsa:2048 -subj /CN=TEST_dbx/ -keyout dbx.key -out dbx.crt -nodes -days 365'
% mnt_point, shell=True)
check_call('cd %s; %scert-to-efi-sig-list -g %s dbx.crt dbx.esl; %ssign-efi-sig-list -c KEK.crt -k KEK.key dbx dbx.esl dbx.auth'
check_call('cd %s; %scert-to-efi-sig-list -g %s dbx.crt dbx.esl; %ssign-efi-sig-list -t "2020-04-05" -c KEK.crt -k KEK.key dbx dbx.esl dbx.auth'
% (mnt_point, EFITOOLS_PATH, GUID, EFITOOLS_PATH),
shell=True)
@ -117,7 +117,7 @@ def efi_boot_env(request, u_boot_config):
check_call('cd %s; sbsign --key db.key --cert db.crt helloworld.efi'
% mnt_point, shell=True)
## Digest image
check_call('cd %s; %shash-to-efi-sig-list helloworld.efi db_hello.hash; %ssign-efi-sig-list -c KEK.crt -k KEK.key db db_hello.hash db_hello.auth'
check_call('cd %s; %shash-to-efi-sig-list helloworld.efi db_hello.hash; %ssign-efi-sig-list -t "2020-04-07" -c KEK.crt -k KEK.key db db_hello.hash db_hello.auth'
% (mnt_point, EFITOOLS_PATH, EFITOOLS_PATH),
shell=True)

91
test/py/tests/test_efi_secboot/test_authvar.py
View File

@ -9,7 +9,6 @@ This test verifies variable authentication
"""
import pytest
import re
from defs import *
@pytest.mark.boardspec('sandbox')
@ -40,7 +39,7 @@ class TestEfiAuthVar(object):
output = u_boot_console.run_command_list([
'fatload host 0:1 4000000 PK.auth',
'setenv -e -nv -bs -rt -i 4000000,$filesize PK'])
assert(re.search('Failed to set EFI variable', ''.join(output)))
assert('Failed to set EFI variable' in ''.join(output))
with u_boot_console.log.section('Test Case 1c'):
# Test Case 1c, install PK
@ -48,7 +47,7 @@ class TestEfiAuthVar(object):
'fatload host 0:1 4000000 PK.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK',
'printenv -e -n PK'])
assert(re.search('PK:', ''.join(output)))
assert('PK:' in ''.join(output))
output = u_boot_console.run_command(
'printenv -e SecureBoot')
@ -62,25 +61,25 @@ class TestEfiAuthVar(object):
output = u_boot_console.run_command_list([
'fatload host 0:1 4000000 db.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize db'])
assert(re.search('Failed to set EFI variable', ''.join(output)))
assert('Failed to set EFI variable' in ''.join(output))
output = u_boot_console.run_command_list([
'fatload host 0:1 4000000 db.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize dbx'])
assert(re.search('Failed to set EFI variable', ''.join(output)))
assert('Failed to set EFI variable' in ''.join(output))
with u_boot_console.log.section('Test Case 1e'):
# Test Case 1e, install KEK
output = u_boot_console.run_command_list([
'fatload host 0:1 4000000 KEK.auth',
'setenv -e -nv -bs -rt -i 4000000,$filesize KEK'])
assert(re.search('Failed to set EFI variable', ''.join(output)))
assert('Failed to set EFI variable' in ''.join(output))
output = u_boot_console.run_command_list([
'fatload host 0:1 4000000 KEK.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize KEK',
'printenv -e -n KEK'])
assert(re.search('KEK:', ''.join(output)))
assert('KEK:' in ''.join(output))
output = u_boot_console.run_command(
'printenv -e SecureBoot')
@ -91,14 +90,14 @@ class TestEfiAuthVar(object):
output = u_boot_console.run_command_list([
'fatload host 0:1 4000000 db.auth',
'setenv -e -nv -bs -rt -i 4000000,$filesize db'])
assert(re.search('Failed to set EFI variable', ''.join(output)))
assert('Failed to set EFI variable' in ''.join(output))
output = u_boot_console.run_command_list([
'fatload host 0:1 4000000 db.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize db',
'printenv -e -n -guid d719b2cb-3d3a-4596-a3bc-dad00e67656f db'])
assert(not re.search('Failed to set EFI variable', ''.join(output)))
assert(re.search('db:', ''.join(output)))
assert(not 'Failed to set EFI variable' in ''.join(output))
assert('db:' in ''.join(output))
output = u_boot_console.run_command(
'printenv -e SecureBoot')
@ -107,16 +106,16 @@ class TestEfiAuthVar(object):
with u_boot_console.log.section('Test Case 1g'):
# Test Case 1g, install dbx
output = u_boot_console.run_command_list([
'fatload host 0:1 4000000 db.auth',
'setenv -e -nv -bs -rt -i 4000000,$filesize db'])
assert(re.search('Failed to set EFI variable', ''.join(output)))
'fatload host 0:1 4000000 dbx.auth',
'setenv -e -nv -bs -rt -i 4000000,$filesize dbx'])
assert('Failed to set EFI variable' in ''.join(output))
output = u_boot_console.run_command_list([
'fatload host 0:1 4000000 db.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize db',
'printenv -e -n -guid d719b2cb-3d3a-4596-a3bc-dad00e67656f db'])
assert(not re.search('Failed to set EFI variable', ''.join(output)))
assert(re.search('db:', ''.join(output)))
'fatload host 0:1 4000000 dbx.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize dbx',
'printenv -e -n -guid d719b2cb-3d3a-4596-a3bc-dad00e67656f dbx'])
assert(not 'Failed to set EFI variable' in ''.join(output))
assert('dbx:' in ''.join(output))
output = u_boot_console.run_command(
'printenv -e SecureBoot')
@ -133,26 +132,26 @@ class TestEfiAuthVar(object):
output = u_boot_console.run_command_list([
'host bind 0 %s' % disk_img,
'fatload host 0:1 4000000 PK.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK; echo',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK',
'fatload host 0:1 4000000 KEK.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize KEK',
'fatload host 0:1 4000000 db.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize db',
'printenv -e -n -guid d719b2cb-3d3a-4596-a3bc-dad00e67656f db'])
assert(not re.search('Failed to set EFI variable', ''.join(output)))
assert(re.search('db:', ''.join(output)))
assert(not 'Failed to set EFI variable' in ''.join(output))
assert('db:' in ''.join(output))
output = u_boot_console.run_command_list([
'fatload host 0:1 4000000 db1.auth',
'setenv -e -nv -bs -rt -i 4000000,$filesize db'])
assert(re.search('Failed to set EFI variable', ''.join(output)))
assert('Failed to set EFI variable' in ''.join(output))
with u_boot_console.log.section('Test Case 2b'):
# Test Case 2b, update without correct signature
output = u_boot_console.run_command_list([
'fatload host 0:1 4000000 db.esl',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize db'])
assert(re.search('Failed to set EFI variable', ''.join(output)))
assert('Failed to set EFI variable' in ''.join(output))
with u_boot_console.log.section('Test Case 2c'):
# Test Case 2c, update with correct signature
@ -160,8 +159,8 @@ class TestEfiAuthVar(object):
'fatload host 0:1 4000000 db1.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize db',
'printenv -e -n -guid d719b2cb-3d3a-4596-a3bc-dad00e67656f db'])
assert(not re.search('Failed to set EFI variable', ''.join(output)))
assert(re.search('db:', ''.join(output)))
assert(not 'Failed to set EFI variable' in ''.join(output))
assert('db:' in ''.join(output))
def test_efi_var_auth3(self, u_boot_console, efi_boot_env):
"""
@ -174,26 +173,26 @@ class TestEfiAuthVar(object):
output = u_boot_console.run_command_list([
'host bind 0 %s' % disk_img,
'fatload host 0:1 4000000 PK.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK; echo',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK',
'fatload host 0:1 4000000 KEK.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize KEK',
'fatload host 0:1 4000000 db.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize db',
'printenv -e -n -guid d719b2cb-3d3a-4596-a3bc-dad00e67656f db'])
assert(not re.search('Failed to set EFI variable', ''.join(output)))
assert(re.search('db:', ''.join(output)))
assert(not 'Failed to set EFI variable' in ''.join(output))
assert('db:' in ''.join(output))
output = u_boot_console.run_command_list([
'fatload host 0:1 4000000 db1.auth',
'setenv -e -nv -bs -rt -a -i 4000000,$filesize db'])
assert(re.search('Failed to set EFI variable', ''.join(output)))
assert('Failed to set EFI variable' in ''.join(output))
with u_boot_console.log.section('Test Case 3b'):
# Test Case 3b, update without correct signature
output = u_boot_console.run_command_list([
'fatload host 0:1 4000000 db.esl',
'setenv -e -nv -bs -rt -at -a -i 4000000,$filesize db'])
assert(re.search('Failed to set EFI variable', ''.join(output)))
assert('Failed to set EFI variable' in ''.join(output))
with u_boot_console.log.section('Test Case 3c'):
# Test Case 3c, update with correct signature
@ -201,8 +200,8 @@ class TestEfiAuthVar(object):
'fatload host 0:1 4000000 db1.auth',
'setenv -e -nv -bs -rt -at -a -i 4000000,$filesize db',
'printenv -e -n -guid d719b2cb-3d3a-4596-a3bc-dad00e67656f db'])
assert(not re.search('Failed to set EFI variable', ''.join(output)))
assert(re.search('db:', ''.join(output)))
assert(not 'Failed to set EFI variable' in ''.join(output))
assert('db:' in ''.join(output))
def test_efi_var_auth4(self, u_boot_console, efi_boot_env):
"""
@ -215,28 +214,28 @@ class TestEfiAuthVar(object):
output = u_boot_console.run_command_list([
'host bind 0 %s' % disk_img,
'fatload host 0:1 4000000 PK.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK; echo',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK',
'fatload host 0:1 4000000 KEK.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize KEK',
'fatload host 0:1 4000000 db.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize db',
'printenv -e -n -guid d719b2cb-3d3a-4596-a3bc-dad00e67656f db'])
assert(not re.search('Failed to set EFI variable', ''.join(output)))
assert(re.search('db:', ''.join(output)))
assert(not 'Failed to set EFI variable' in ''.join(output))
assert('db:' in ''.join(output))
output = u_boot_console.run_command_list([
'setenv -e -nv -bs -rt db',
'printenv -e -n -guid d719b2cb-3d3a-4596-a3bc-dad00e67656f db'])
assert(re.search('Failed to set EFI variable', ''.join(output)))
assert(re.search('db:', ''.join(output)))
assert('Failed to set EFI variable' in ''.join(output))
assert('db:' in ''.join(output))
with u_boot_console.log.section('Test Case 4b'):
# Test Case 4b, update without correct signature/data
output = u_boot_console.run_command_list([
'setenv -e -nv -bs -rt -at db',
'printenv -e -n -guid d719b2cb-3d3a-4596-a3bc-dad00e67656f db'])
assert(re.search('Failed to set EFI variable', ''.join(output)))
assert(re.search('db:', ''.join(output)))
assert('Failed to set EFI variable' in ''.join(output))
assert('db:' in ''.join(output))
def test_efi_var_auth5(self, u_boot_console, efi_boot_env):
"""
@ -249,21 +248,21 @@ class TestEfiAuthVar(object):
output = u_boot_console.run_command_list([
'host bind 0 %s' % disk_img,
'fatload host 0:1 4000000 PK.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK; echo',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK',
'fatload host 0:1 4000000 KEK.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize KEK',
'fatload host 0:1 4000000 db.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize db',
'printenv -e -n PK'])
assert(not re.search('Failed to set EFI variable', ''.join(output)))
assert(re.search('PK:', ''.join(output)))
assert(not 'Failed to set EFI variable' in ''.join(output))
assert('PK:' in ''.join(output))
output = u_boot_console.run_command_list([
'fatload host 0:1 4000000 PK_null.esl',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK',
'printenv -e -n PK'])
assert(re.search('Failed to set EFI variable', ''.join(output)))
assert(re.search('PK:', ''.join(output)))
assert('Failed to set EFI variable' in ''.join(output))
assert('PK:' in ''.join(output))
with u_boot_console.log.section('Test Case 5b'):
# Test Case 5b, Uninstall PK with correct signature
@ -271,8 +270,8 @@ class TestEfiAuthVar(object):
'fatload host 0:1 4000000 PK_null.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK',
'printenv -e -n PK'])
assert(not re.search('Failed to set EFI variable', ''.join(output)))
assert(re.search('\"PK\" not defined', ''.join(output)))
assert(not 'Failed to set EFI variable' in ''.join(output))
assert('\"PK\" not defined' in ''.join(output))
output = u_boot_console.run_command(
'printenv -e SecureBoot')

38
test/py/tests/test_efi_secboot/test_signed.py
View File

@ -9,7 +9,6 @@ This test verifies image authentication for signed images.
"""
import pytest
import re
from defs import *
@pytest.mark.boardspec('sandbox')
@ -29,10 +28,10 @@ class TestEfiSignedImage(object):
# Test Case 1a, run signed image if no db/dbx
output = u_boot_console.run_command_list([
'host bind 0 %s' % disk_img,
'efidebug boot add 1 HELLO1 host 0:1 /helloworld.efi.signed ""; echo',
'efidebug boot add 1 HELLO1 host 0:1 /helloworld.efi.signed ""',
'efidebug boot next 1',
'bootefi bootmgr'])
assert(re.search('Hello, world!', ''.join(output)))
assert('Hello, world!' in ''.join(output))
with u_boot_console.log.section('Test Case 1b'):
# Test Case 1b, run unsigned image if no db/dbx
@ -40,7 +39,7 @@ class TestEfiSignedImage(object):
'efidebug boot add 2 HELLO2 host 0:1 /helloworld.efi ""',
'efidebug boot next 2',
'bootefi bootmgr'])
assert(re.search('Hello, world!', ''.join(output)))
assert('Hello, world!' in ''.join(output))
with u_boot_console.log.section('Test Case 1c'):
# Test Case 1c, not authenticated by db
@ -51,24 +50,23 @@ class TestEfiSignedImage(object):
'setenv -e -nv -bs -rt -at -i 4000000,$filesize KEK',
'fatload host 0:1 4000000 PK.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK'])
assert(not re.search('Failed to set EFI variable', ''.join(output)))
assert(not 'Failed to set EFI variable' in ''.join(output))
output = u_boot_console.run_command_list([
'efidebug boot next 2',
'bootefi bootmgr'])
assert(re.search('\'HELLO2\' failed', ''.join(output)))
assert('\'HELLO2\' failed' in ''.join(output))
output = u_boot_console.run_command_list([
'efidebug boot next 2',
'efidebug test bootmgr'])
assert(re.search('efi_start_image[(][)] returned: 26',
''.join(output)))
assert(not re.search('Hello, world!', ''.join(output)))
assert('efi_start_image() returned: 26' in ''.join(output))
assert(not 'Hello, world!' in ''.join(output))
with u_boot_console.log.section('Test Case 1d'):
# Test Case 1d, authenticated by db
output = u_boot_console.run_command_list([
'efidebug boot next 1',
'bootefi bootmgr'])
assert(re.search('Hello, world!', ''.join(output)))
assert('Hello, world!' in ''.join(output))
def test_efi_signed_image_auth2(self, u_boot_console, efi_boot_env):
"""
@ -81,37 +79,35 @@ class TestEfiSignedImage(object):
output = u_boot_console.run_command_list([
'host bind 0 %s' % disk_img,
'fatload host 0:1 4000000 db.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize dbx; echo',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize dbx',
'fatload host 0:1 4000000 KEK.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize KEK',
'fatload host 0:1 4000000 PK.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK'])
assert(not re.search('Failed to set EFI variable', ''.join(output)))
assert(not 'Failed to set EFI variable' in ''.join(output))
output = u_boot_console.run_command_list([
'efidebug boot add 1 HELLO host 0:1 /helloworld.efi.signed ""',
'efidebug boot next 1',
'bootefi bootmgr'])
assert(re.search('\'HELLO\' failed', ''.join(output)))
assert('\'HELLO\' failed' in ''.join(output))
output = u_boot_console.run_command_list([
'efidebug boot next 1',
'efidebug test bootmgr'])
assert(re.search('efi_start_image[(][)] returned: 26',
''.join(output)))
assert(not re.search('Hello, world!', ''.join(output)))
assert('efi_start_image() returned: 26' in ''.join(output))
assert(not 'Hello, world!' in ''.join(output))
with u_boot_console.log.section('Test Case 2b'):
# Test Case 2b, rejected by dbx even if db allows
output = u_boot_console.run_command_list([
'fatload host 0:1 4000000 db.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize db'])
assert(not re.search('Failed to set EFI variable', ''.join(output)))
assert(not 'Failed to set EFI variable' in ''.join(output))
output = u_boot_console.run_command_list([
'efidebug boot next 1',
'bootefi bootmgr'])
assert(re.search('\'HELLO\' failed', ''.join(output)))
assert('\'HELLO\' failed' in ''.join(output))
output = u_boot_console.run_command_list([
'efidebug boot next 1',
'efidebug test bootmgr'])
assert(re.search('efi_start_image[(][)] returned: 26',
''.join(output)))
assert(not re.search('Hello, world!', ''.join(output)))
assert('efi_start_image() returned: 26' in ''.join(output))
assert(not 'Hello, world!' in ''.join(output))

38
test/py/tests/test_efi_secboot/test_unsigned.py
View File

@ -9,7 +9,6 @@ This test verifies image authentication for unsigned images.
"""
import pytest
import re
from defs import *
@pytest.mark.boardspec('sandbox')
@ -30,22 +29,21 @@ class TestEfiUnsignedImage(object):
output = u_boot_console.run_command_list([
'host bind 0 %s' % disk_img,
'fatload host 0:1 4000000 KEK.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize KEK; echo',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize KEK',
'fatload host 0:1 4000000 PK.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK'])
assert(not re.search('Failed to set EFI variable', ''.join(output)))
assert(not 'Failed to set EFI variable' in ''.join(output))
output = u_boot_console.run_command_list([
'efidebug boot add 1 HELLO host 0:1 /helloworld.efi ""',
'efidebug boot next 1',
'bootefi bootmgr'])
assert(re.search('\'HELLO\' failed', ''.join(output)))
assert('\'HELLO\' failed' in ''.join(output))
output = u_boot_console.run_command_list([
'efidebug boot next 1',
'efidebug test bootmgr'])
assert(re.search('efi_start_image[(][)] returned: 26',
''.join(output)))
assert(not re.search('Hello, world!', ''.join(output)))
assert('efi_start_image() returned: 26' in ''.join(output))
assert(not 'Hello, world!' in ''.join(output))
def test_efi_unsigned_image_auth2(self, u_boot_console, efi_boot_env):
"""
@ -58,18 +56,18 @@ class TestEfiUnsignedImage(object):
output = u_boot_console.run_command_list([
'host bind 0 %s' % disk_img,
'fatload host 0:1 4000000 db_hello.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize db; echo',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize db',
'fatload host 0:1 4000000 KEK.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize KEK',
'fatload host 0:1 4000000 PK.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK'])
assert(not re.search('Failed to set EFI variable', ''.join(output)))
assert(not 'Failed to set EFI variable' in ''.join(output))
output = u_boot_console.run_command_list([
'efidebug boot add 1 HELLO host 0:1 /helloworld.efi ""',
'efidebug boot next 1',
'bootefi bootmgr'])
assert(re.search('Hello, world!', ''.join(output)))
assert('Hello, world!' in ''.join(output))
def test_efi_unsigned_image_auth3(self, u_boot_console, efi_boot_env):
"""
@ -82,40 +80,38 @@ class TestEfiUnsignedImage(object):
output = u_boot_console.run_command_list([
'host bind 0 %s' % disk_img,
'fatload host 0:1 4000000 db_hello.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize dbx; echo',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize dbx',
'fatload host 0:1 4000000 KEK.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize KEK',
'fatload host 0:1 4000000 PK.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK'])
assert(not re.search('Failed to set EFI variable', ''.join(output)))
assert(not 'Failed to set EFI variable' in ''.join(output))
output = u_boot_console.run_command_list([
'efidebug boot add 1 HELLO host 0:1 /helloworld.efi ""',
'efidebug boot next 1',
'bootefi bootmgr'])
assert(re.search('\'HELLO\' failed', ''.join(output)))
assert('\'HELLO\' failed' in ''.join(output))
output = u_boot_console.run_command_list([
'efidebug boot next 1',
'efidebug test bootmgr'])
assert(re.search('efi_start_image[(][)] returned: 26',
''.join(output)))
assert(not re.search('Hello, world!', ''.join(output)))
assert('efi_start_image() returned: 26' in ''.join(output))
assert(not 'Hello, world!' in ''.join(output))
with u_boot_console.log.section('Test Case 3b'):
# Test Case 3b, rejected by dbx even if db allows
output = u_boot_console.run_command_list([
'fatload host 0:1 4000000 db_hello.auth',
'setenv -e -nv -bs -rt -at -i 4000000,$filesize db'])
assert(not re.search('Failed to set EFI variable', ''.join(output)))
assert(not 'Failed to set EFI variable' in ''.join(output))
output = u_boot_console.run_command_list([
'efidebug boot add 1 HELLO host 0:1 /helloworld.efi ""',
'efidebug boot next 1',
'bootefi bootmgr'])
assert(re.search('\'HELLO\' failed', ''.join(output)))
assert('\'HELLO\' failed' in ''.join(output))
output = u_boot_console.run_command_list([
'efidebug boot next 1',
'efidebug test bootmgr'])
assert(re.search('efi_start_image[(][)] returned: 26',
''.join(output)))
assert(not re.search('Hello, world!', ''.join(output)))
assert('efi_start_image() returned: 26' in ''.join(output))
assert(not 'Hello, world!' in ''.join(output))