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-rw-r--r--lib/efi_loader/efi_signature.c121
1 files changed, 62 insertions, 59 deletions
diff --git a/lib/efi_loader/efi_signature.c b/lib/efi_loader/efi_signature.c
index 6685253856..3a634d7b57 100644
--- a/lib/efi_loader/efi_signature.c
+++ b/lib/efi_loader/efi_signature.c
@@ -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;
@@ -514,7 +516,7 @@ 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;
}
@@ -539,7 +541,7 @@ 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;
}
@@ -556,8 +558,8 @@ efi_status_t efi_image_region_add(struct efi_image_regions *regs,
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__);
+ EFI_PRINT("%s: new region already part of another\n",
+ __func__);
return EFI_INVALID_PARAMETER;
}
@@ -649,14 +651,14 @@ 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 +673,14 @@ 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 +691,7 @@ 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 +737,7 @@ 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 +745,23 @@ 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 +770,20 @@ 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;
}
generated by cgit (git 2.34.1) at 2024-12-29 16:56:59 +0000