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ima-evm-utils: support to build with openssl-1.1.x

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Signed-off-by: Lans Zhang <jia.zhang@windriver.com>
This commit is contained in:
Lans Zhang
2017-08-16 14:56:23 +08:00
parent ead58497c8
commit 8ff4d25a90
2 changed files with 300 additions and 0 deletions
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meta-integrity/recipes-support/ima-evm-utils/ima-evm-utils/Fix-the-build-failure-with-openssl-1.1.x.patch
+299
View File
@@ -0,0 +1,299 @@
From 61595d2d4eb9d6855680ea2f6d74492a4b7a553f Mon Sep 17 00:00:00 2001
From: Lans Zhang <jia.zhang@windriver.com>
Date: Wed, 16 Aug 2017 14:32:03 +0800
Subject: [PATCH] Fix the build failure with openssl-1.1.x
- Clean up the opaqu EVP_MD_CTX and RSA.
- Similarly, HMAC_CTX is also opaqu. Note that there is no dynamic
allocation function like HMAC_CTX_create|new() available in 1.0.x.
- HMAC_CTX_cleanup() is replaced by HMAC_CTX_reset().
Signed-off-by: Lans Zhang <jia.zhang@windriver.com>
---
src/evmctl.c | 79 +++++++++++++++++++++++++++++++++++++++++----------------
src/libimaevm.c | 54 +++++++++++++++++++++++++--------------
2 files changed, 92 insertions(+), 41 deletions(-)
diff --git a/src/evmctl.c b/src/evmctl.c
index c54efbb..9156bcb 100644
--- a/src/evmctl.c
+++ b/src/evmctl.c
@@ -314,7 +314,7 @@ static int calc_evm_hash(const char *file, unsigned char *hash)
struct stat st;
int err;
uint32_t generation = 0;
- EVP_MD_CTX ctx;
+ EVP_MD_CTX *ctx;
unsigned int mdlen;
char **xattrname;
char xattr_value[1024];
@@ -366,10 +366,17 @@ static int calc_evm_hash(const char *file, unsigned char *hash)
return -1;
}
- err = EVP_DigestInit(&ctx, EVP_sha1());
+ ctx = EVP_MD_CTX_create();
+ if (!ctx) {
+ log_err("EVP_MD_CTX_create() failed\n");
+ return -1;
+ }
+
+ err = EVP_DigestInit(ctx, EVP_sha1());
if (!err) {
log_err("EVP_DigestInit() failed\n");
- return 1;
+ err = 1;
+ goto out;
}
for (xattrname = evm_config_xattrnames; *xattrname != NULL; xattrname++) {
@@ -398,10 +405,11 @@ static int calc_evm_hash(const char *file, unsigned char *hash)
/*log_debug("name: %s, value: %s, size: %d\n", *xattrname, xattr_value, err);*/
log_info("name: %s, size: %d\n", *xattrname, err);
log_debug_dump(xattr_value, err);
- err = EVP_DigestUpdate(&ctx, xattr_value, err);
+ err = EVP_DigestUpdate(ctx, xattr_value, err);
if (!err) {
log_err("EVP_DigestUpdate() failed\n");
- return 1;
+ err = 1;
+ goto out;
}
}
@@ -446,31 +454,38 @@ static int calc_evm_hash(const char *file, unsigned char *hash)
log_debug("hmac_misc (%d): ", hmac_size);
log_debug_dump(&hmac_misc, hmac_size);
- err = EVP_DigestUpdate(&ctx, &hmac_misc, hmac_size);
+ err = EVP_DigestUpdate(ctx, &hmac_misc, hmac_size);
if (!err) {
log_err("EVP_DigestUpdate() failed\n");
- return 1;
+ err = 1;
+ goto out;
}
if (!evm_immutable && !(hmac_flags & HMAC_FLAG_NO_UUID)) {
err = get_uuid(&st, uuid);
- if (err)
- return -1;
+ if (err) {
+ err = -1;
+ goto out;
+ }
- err = EVP_DigestUpdate(&ctx, (const unsigned char *)uuid, sizeof(uuid));
+ err = EVP_DigestUpdate(ctx, (const unsigned char *)uuid, sizeof(uuid));
if (!err) {
log_err("EVP_DigestUpdate() failed\n");
- return 1;
+ err = 1;
+ goto out;
}
}
- err = EVP_DigestFinal(&ctx, hash, &mdlen);
- if (!err) {
+ if (!EVP_DigestFinal(ctx, hash, &mdlen)) {
log_err("EVP_DigestFinal() failed\n");
- return 1;
- }
+ err = 1;
+ } else
+ err = 0;
+
+out:
+ EVP_MD_CTX_destroy(ctx);
- return mdlen;
+ return err ?: mdlen;
}
static int sign_evm(const char *file, const char *key)
@@ -908,7 +923,7 @@ static int calc_evm_hmac(const char *file, const char *keyfile, unsigned char *h
struct stat st;
int err = -1;
uint32_t generation = 0;
- HMAC_CTX ctx;
+ HMAC_CTX *ctx = NULL;
unsigned int mdlen;
char **xattrname;
unsigned char xattr_value[1024];
@@ -965,7 +980,17 @@ static int calc_evm_hmac(const char *file, const char *keyfile, unsigned char *h
goto out;
}
- err = !HMAC_Init(&ctx, evmkey, sizeof(evmkey), EVP_sha1());
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+ ctx = malloc(sizeof(*ctx));
+#else
+ ctx = HMAC_CTX_new();
+#endif
+ if (!ctx) {
+ log_err("HMAC_CTX_new() failed\n");
+ goto out;
+ }
+
+ err = !HMAC_Init(ctx, evmkey, sizeof(evmkey), EVP_sha1());
if (err) {
log_err("HMAC_Init() failed\n");
goto out;
@@ -984,7 +1009,7 @@ static int calc_evm_hmac(const char *file, const char *keyfile, unsigned char *h
/*log_debug("name: %s, value: %s, size: %d\n", *xattrname, xattr_value, err);*/
log_info("name: %s, size: %d\n", *xattrname, err);
log_debug_dump(xattr_value, err);
- err = !HMAC_Update(&ctx, xattr_value, err);
+ err = !HMAC_Update(ctx, xattr_value, err);
if (err) {
log_err("HMAC_Update() failed\n");
goto out_ctx_cleanup;
@@ -1025,17 +1050,27 @@ static int calc_evm_hmac(const char *file, const char *keyfile, unsigned char *h
log_debug("hmac_misc (%d): ", hmac_size);
log_debug_dump(&hmac_misc, hmac_size);
- err = !HMAC_Update(&ctx, (const unsigned char *)&hmac_misc, hmac_size);
+ err = !HMAC_Update(ctx, (const unsigned char *)&hmac_misc, hmac_size);
if (err) {
log_err("HMAC_Update() failed\n");
goto out_ctx_cleanup;
}
- err = !HMAC_Final(&ctx, hash, &mdlen);
+ err = !HMAC_Final(ctx, hash, &mdlen);
if (err)
log_err("HMAC_Final() failed\n");
out_ctx_cleanup:
- HMAC_CTX_cleanup(&ctx);
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+ HMAC_CTX_cleanup(ctx);
+#else
+ HMAC_CTX_reset(ctx);
+#endif
out:
+ if (ctx)
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+ free(ctx);
+#else
+ HMAC_CTX_free(ctx);
+#endif
free(key);
return err ?: mdlen;
}
diff --git a/src/libimaevm.c b/src/libimaevm.c
index eedffb4..3f23cac 100644
--- a/src/libimaevm.c
+++ b/src/libimaevm.c
@@ -271,7 +271,7 @@ int ima_calc_hash(const char *file, uint8_t *hash)
{
const EVP_MD *md;
struct stat st;
- EVP_MD_CTX ctx;
+ EVP_MD_CTX *ctx;
unsigned int mdlen;
int err;
@@ -288,41 +288,50 @@ int ima_calc_hash(const char *file, uint8_t *hash)
return 1;
}
- err = EVP_DigestInit(&ctx, md);
+ ctx = EVP_MD_CTX_create();
+ if (!ctx) {
+ log_err("EVP_MD_CTX_create() failed\n");
+ return 1;
+ }
+
+ err = EVP_DigestInit(ctx, md);
if (!err) {
log_err("EVP_DigestInit() failed\n");
- return 1;
+ err = 1;
+ goto out;
}
switch (st.st_mode & S_IFMT) {
case S_IFREG:
- err = add_file_hash(file, &ctx);
+ err = add_file_hash(file, ctx);
break;
case S_IFDIR:
- err = add_dir_hash(file, &ctx);
+ err = add_dir_hash(file, ctx);
break;
case S_IFLNK:
- err = add_link_hash(file, &ctx);
+ err = add_link_hash(file, ctx);
break;
case S_IFIFO: case S_IFSOCK:
case S_IFCHR: case S_IFBLK:
- err = add_dev_hash(&st, &ctx);
+ err = add_dev_hash(&st, ctx);
break;
default:
log_errno("Unsupported file type");
- return -1;
+ err = -1;
}
if (err)
- return err;
+ goto out;
- err = EVP_DigestFinal(&ctx, hash, &mdlen);
- if (!err) {
+ if (!EVP_DigestFinal(ctx, hash, &mdlen)) {
log_err("EVP_DigestFinal() failed\n");
- return 1;
+ err = 1;
}
- return mdlen;
+out:
+ EVP_MD_CTX_destroy(ctx);
+
+ return err ?: mdlen;
}
RSA *read_pub_key(const char *keyfile, int x509)
@@ -549,6 +558,7 @@ int key2bin(RSA *key, unsigned char *pub)
{
int len, b, offset = 0;
struct pubkey_hdr *pkh = (struct pubkey_hdr *)pub;
+ BIGNUM *n, *e;
/* add key header */
pkh->version = 1;
@@ -558,18 +568,24 @@ int key2bin(RSA *key, unsigned char *pub)
offset += sizeof(*pkh);
- len = BN_num_bytes(key->n);
- b = BN_num_bits(key->n);
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+ n = key->n;
+ e = key->e;
+#else
+ RSA_get0_key(key, (const BIGNUM **)&n, (const BIGNUM **)&e, NULL);
+#endif
+ len = BN_num_bytes(n);
+ b = BN_num_bits(n);
pub[offset++] = b >> 8;
pub[offset++] = b & 0xff;
- BN_bn2bin(key->n, &pub[offset]);
+ BN_bn2bin(n, &pub[offset]);
offset += len;
- len = BN_num_bytes(key->e);
- b = BN_num_bits(key->e);
+ len = BN_num_bytes(e);
+ b = BN_num_bits(e);
pub[offset++] = b >> 8;
pub[offset++] = b & 0xff;
- BN_bn2bin(key->e, &pub[offset]);
+ BN_bn2bin(e, &pub[offset]);
offset += len;
return offset;
--
2.7.5
meta-integrity/recipes-support/ima-evm-utils/ima-evm-utils_git.bb
+1
View File
@@ -9,6 +9,7 @@ SRC_URI = "\
git://git.code.sf.net/p/linux-ima/ima-evm-utils \
file://0001-Don-t-build-man-pages.patch \
file://0001-Install-evmctl-to-sbindir-rather-than-bindir.patch \
file://Fix-the-build-failure-with-openssl-1.1.x.patch \
"
SRCREV = "3e2a67bdb0673581a97506262e62db098efef6d7"