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dovecot/dovecot-2.3.6-opensslhmac.patch

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diff -up dovecot-2.3.14/src/auth/auth-token.c.opensslhmac dovecot-2.3.14/src/auth/auth-token.c
--- dovecot-2.3.14/src/auth/auth-token.c.opensslhmac 2021-03-04 09:38:06.000000000 +0100
+++ dovecot-2.3.14/src/auth/auth-token.c 2021-03-22 20:44:13.022912242 +0100
@@ -161,17 +161,17 @@ void auth_token_deinit(void)
const char *auth_token_get(const char *service, const char *session_pid,
const char *username, const char *session_id)
{
- struct hmac_context ctx;
+ struct openssl_hmac_context ctx;
unsigned char result[SHA1_RESULTLEN];
- hmac_init(&ctx, (const unsigned char*)username, strlen(username),
+ openssl_hmac_init(&ctx, (const unsigned char*)username, strlen(username),
&hash_method_sha1);
- hmac_update(&ctx, session_pid, strlen(session_pid));
+ openssl_hmac_update(&ctx, session_pid, strlen(session_pid));
if (session_id != NULL && *session_id != '\0')
- hmac_update(&ctx, session_id, strlen(session_id));
- hmac_update(&ctx, service, strlen(service));
- hmac_update(&ctx, auth_token_secret, sizeof(auth_token_secret));
- hmac_final(&ctx, result);
+ openssl_hmac_update(&ctx, session_id, strlen(session_id));
+ openssl_hmac_update(&ctx, service, strlen(service));
+ openssl_hmac_update(&ctx, auth_token_secret, sizeof(auth_token_secret));
+ openssl_hmac_final(&ctx, result);
return binary_to_hex(result, sizeof(result));
}
diff -up dovecot-2.3.14/src/auth/mech-cram-md5.c.opensslhmac dovecot-2.3.14/src/auth/mech-cram-md5.c
--- dovecot-2.3.14/src/auth/mech-cram-md5.c.opensslhmac 2021-03-04 09:38:06.000000000 +0100
+++ dovecot-2.3.14/src/auth/mech-cram-md5.c 2021-03-22 20:44:13.022912242 +0100
@@ -51,7 +51,7 @@ static bool verify_credentials(struct cr
{
unsigned char digest[MD5_RESULTLEN];
- struct hmac_context ctx;
+ struct orig_hmac_context ctx;
const char *response_hex;
if (size != CRAM_MD5_CONTEXTLEN) {
@@ -60,10 +60,10 @@ static bool verify_credentials(struct cr
return FALSE;
}
- hmac_init(&ctx, NULL, 0, &hash_method_md5);
+ orig_hmac_init(&ctx, NULL, 0, &hash_method_md5);
hmac_md5_set_cram_context(&ctx, credentials);
- hmac_update(&ctx, request->challenge, strlen(request->challenge));
- hmac_final(&ctx, digest);
+ orig_hmac_update(&ctx, request->challenge, strlen(request->challenge));
+ orig_hmac_final(&ctx, digest);
response_hex = binary_to_hex(digest, sizeof(digest));
diff -up dovecot-2.3.14/src/auth/mech-scram.c.opensslhmac dovecot-2.3.14/src/auth/mech-scram.c
--- dovecot-2.3.14/src/auth/mech-scram.c.opensslhmac 2021-03-04 09:38:06.000000000 +0100
+++ dovecot-2.3.14/src/auth/mech-scram.c 2021-03-22 20:44:13.022912242 +0100
@@ -78,7 +78,7 @@ static const char *get_scram_server_firs
static const char *get_scram_server_final(struct scram_auth_request *request)
{
const struct hash_method *hmethod = request->hash_method;
- struct hmac_context ctx;
+ struct openssl_hmac_context ctx;
const char *auth_message;
unsigned char server_signature[hmethod->digest_size];
string_t *str;
@@ -87,9 +87,9 @@ static const char *get_scram_server_fina
request->server_first_message, ",",
request->client_final_message_without_proof, NULL);
- hmac_init(&ctx, request->server_key, hmethod->digest_size, hmethod);
- hmac_update(&ctx, auth_message, strlen(auth_message));
- hmac_final(&ctx, server_signature);
+ openssl_hmac_init(&ctx, request->server_key, hmethod->digest_size, hmethod);
+ openssl_hmac_update(&ctx, auth_message, strlen(auth_message));
+ openssl_hmac_final(&ctx, server_signature);
str = t_str_new(MAX_BASE64_ENCODED_SIZE(sizeof(server_signature)));
str_append(str, "v=");
@@ -228,7 +228,7 @@ static bool parse_scram_client_first(str
static bool verify_credentials(struct scram_auth_request *request)
{
const struct hash_method *hmethod = request->hash_method;
- struct hmac_context ctx;
+ struct openssl_hmac_context ctx;
const char *auth_message;
unsigned char client_key[hmethod->digest_size];
unsigned char client_signature[hmethod->digest_size];
@@ -239,9 +239,9 @@ static bool verify_credentials(struct sc
request->server_first_message, ",",
request->client_final_message_without_proof, NULL);
- hmac_init(&ctx, request->stored_key, hmethod->digest_size, hmethod);
- hmac_update(&ctx, auth_message, strlen(auth_message));
- hmac_final(&ctx, client_signature);
+ openssl_hmac_init(&ctx, request->stored_key, hmethod->digest_size, hmethod);
+ openssl_hmac_update(&ctx, auth_message, strlen(auth_message));
+ openssl_hmac_final(&ctx, client_signature);
const unsigned char *proof_data = request->proof->data;
for (i = 0; i < sizeof(client_signature); i++)
diff -up dovecot-2.3.14/src/auth/password-scheme.c.opensslhmac dovecot-2.3.14/src/auth/password-scheme.c
--- dovecot-2.3.14/src/auth/password-scheme.c.opensslhmac 2021-03-04 09:38:06.000000000 +0100
+++ dovecot-2.3.14/src/auth/password-scheme.c 2021-03-22 20:44:13.022912242 +0100
@@ -639,11 +639,11 @@ static void
cram_md5_generate(const char *plaintext, const struct password_generate_params *params ATTR_UNUSED,
const unsigned char **raw_password_r, size_t *size_r)
{
- struct hmac_context ctx;
+ struct orig_hmac_context ctx;
unsigned char *context_digest;
context_digest = t_malloc_no0(CRAM_MD5_CONTEXTLEN);
- hmac_init(&ctx, (const unsigned char *)plaintext,
+ orig_hmac_init(&ctx, (const unsigned char *)plaintext,
strlen(plaintext), &hash_method_md5);
hmac_md5_get_cram_context(&ctx, context_digest);
diff -up dovecot-2.3.14/src/auth/password-scheme-scram.c.opensslhmac dovecot-2.3.14/src/auth/password-scheme-scram.c
--- dovecot-2.3.14/src/auth/password-scheme-scram.c.opensslhmac 2021-03-04 09:38:06.000000000 +0100
+++ dovecot-2.3.14/src/auth/password-scheme-scram.c 2021-03-22 20:44:13.023912229 +0100
@@ -30,23 +30,23 @@ Hi(const struct hash_method *hmethod, co
const unsigned char *salt, size_t salt_size, unsigned int i,
unsigned char *result)
{
- struct hmac_context ctx;
+ struct openssl_hmac_context ctx;
unsigned char U[hmethod->digest_size];
unsigned int j, k;
/* Calculate U1 */
- hmac_init(&ctx, str, str_size, hmethod);
- hmac_update(&ctx, salt, salt_size);
- hmac_update(&ctx, "\0\0\0\1", 4);
- hmac_final(&ctx, U);
+ openssl_hmac_init(&ctx, str, str_size, hmethod);
+ openssl_hmac_update(&ctx, salt, salt_size);
+ openssl_hmac_update(&ctx, "\0\0\0\1", 4);
+ openssl_hmac_final(&ctx, U);
memcpy(result, U, hmethod->digest_size);
/* Calculate U2 to Ui and Hi */
for (j = 2; j <= i; j++) {
- hmac_init(&ctx, str, str_size, hmethod);
- hmac_update(&ctx, U, sizeof(U));
- hmac_final(&ctx, U);
+ openssl_hmac_init(&ctx, str, str_size, hmethod);
+ openssl_hmac_update(&ctx, U, sizeof(U));
+ openssl_hmac_final(&ctx, U);
for (k = 0; k < hmethod->digest_size; k++)
result[k] ^= U[k];
}
@@ -102,7 +102,7 @@ int scram_verify(const struct hash_metho
const char *plaintext, const unsigned char *raw_password,
size_t size, const char **error_r)
{
- struct hmac_context ctx;
+ struct openssl_hmac_context ctx;
const char *salt_base64;
unsigned int iter_count;
const unsigned char *salt;
@@ -126,9 +126,9 @@ int scram_verify(const struct hash_metho
salt, salt_len, iter_count, salted_password);
/* Calculate ClientKey */
- hmac_init(&ctx, salted_password, sizeof(salted_password), hmethod);
- hmac_update(&ctx, "Client Key", 10);
- hmac_final(&ctx, client_key);
+ openssl_hmac_init(&ctx, salted_password, sizeof(salted_password), hmethod);
+ openssl_hmac_update(&ctx, "Client Key", 10);
+ openssl_hmac_final(&ctx, client_key);
/* Calculate StoredKey */
hash_method_get_digest(hmethod, client_key, sizeof(client_key),
@@ -147,7 +147,7 @@ void scram_generate(const struct hash_me
const unsigned char **raw_password_r, size_t *size_r)
{
string_t *str;
- struct hmac_context ctx;
+ struct openssl_hmac_context ctx;
unsigned char salt[16];
unsigned char salted_password[hmethod->digest_size];
unsigned char client_key[hmethod->digest_size];
@@ -165,9 +165,9 @@ void scram_generate(const struct hash_me
sizeof(salt), SCRAM_DEFAULT_ITERATE_COUNT, salted_password);
/* Calculate ClientKey */
- hmac_init(&ctx, salted_password, sizeof(salted_password), hmethod);
- hmac_update(&ctx, "Client Key", 10);
- hmac_final(&ctx, client_key);
+ openssl_hmac_init(&ctx, salted_password, sizeof(salted_password), hmethod);
+ openssl_hmac_update(&ctx, "Client Key", 10);
+ openssl_hmac_final(&ctx, client_key);
/* Calculate StoredKey */
hash_method_get_digest(hmethod, client_key, sizeof(client_key),
@@ -176,9 +176,9 @@ void scram_generate(const struct hash_me
base64_encode(stored_key, sizeof(stored_key), str);
/* Calculate ServerKey */
- hmac_init(&ctx, salted_password, sizeof(salted_password), hmethod);
- hmac_update(&ctx, "Server Key", 10);
- hmac_final(&ctx, server_key);
+ openssl_hmac_init(&ctx, salted_password, sizeof(salted_password), hmethod);
+ openssl_hmac_update(&ctx, "Server Key", 10);
+ openssl_hmac_final(&ctx, server_key);
str_append_c(str, ',');
base64_encode(server_key, sizeof(server_key), str);
diff -up dovecot-2.3.14/src/lib/hmac.c.opensslhmac dovecot-2.3.14/src/lib/hmac.c
--- dovecot-2.3.14/src/lib/hmac.c.opensslhmac 2021-03-04 09:38:06.000000000 +0100
+++ dovecot-2.3.14/src/lib/hmac.c 2021-03-22 20:44:13.023912229 +0100
@@ -7,6 +7,10 @@
* This software is released under the MIT license.
*/
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
#include "lib.h"
#include "hmac.h"
#include "safe-memset.h"
@@ -14,10 +18,65 @@
#include "hex-binary.h"
-void hmac_init(struct hmac_context *_ctx, const unsigned char *key,
+#ifndef HAVE_HMAC_CTX_NEW
+# define HMAC_Init_ex(ctx, key, key_len, md, impl) \
+ HMAC_Init_ex(&(ctx), key, key_len, md, impl)
+# define HMAC_Update(ctx, data, len) HMAC_Update(&(ctx), data, len)
+# define HMAC_Final(ctx, md, len) HMAC_Final(&(ctx), md, len)
+# define HMAC_CTX_free(ctx) HMAC_cleanup(&(ctx))
+#else
+# define HMAC_CTX_free(ctx) \
+ STMT_START { HMAC_CTX_free(ctx); (ctx) = NULL; } STMT_END
+#endif
+
+
+void openssl_hmac_init(struct openssl_hmac_context *_ctx, const unsigned char *key,
size_t key_len, const struct hash_method *meth)
{
- struct hmac_context_priv *ctx = &_ctx->u.priv;
+ struct openssl_hmac_context_priv *ctx = &_ctx->u.priv;
+
+ const EVP_MD *md;
+ const char *ebuf = NULL;
+ const char **error_r = &ebuf;
+
+ md = EVP_get_digestbyname(meth->name);
+ if(md == NULL) {
+ if (error_r != NULL) {
+ *error_r = t_strdup_printf("Invalid digest %s",
+ meth->name);
+ }
+ //return FALSE;
+ }
+
+// int ec;
+
+ i_assert(md != NULL);
+#ifdef HAVE_HMAC_CTX_NEW
+ ctx->ctx = HMAC_CTX_new();
+/* if (ctx->ctx == NULL)
+ dcrypt_openssl_error(error_r);*/
+#endif
+ /*ec = */HMAC_Init_ex(ctx->ctx, key, key_len, md, NULL);
+}
+
+void orig_hmac_init(struct orig_hmac_context *_ctx, const unsigned char *key,
+ size_t key_len, const struct hash_method *meth)
+{
+ static int no_fips = -1;
+ if (no_fips == -1) {
+ int fd = open("/proc/sys/crypto/fips_enabled", O_RDONLY);
+ if (fd != -1)
+ {
+ char buf[4];
+ if (read(fd, buf, 4) > 0)
+ {
+ no_fips = buf[0] == '0';
+ }
+ close(fd);
+ }
+ }
+ i_assert(no_fips);
+ struct orig_hmac_context_priv *ctx = &_ctx->u.priv;
unsigned int i;
unsigned char k_ipad[meth->block_size];
unsigned char k_opad[meth->block_size];
@@ -53,9 +112,27 @@ void hmac_init(struct hmac_context *_ctx
safe_memset(k_opad, 0, meth->block_size);
}
-void hmac_final(struct hmac_context *_ctx, unsigned char *digest)
+void openssl_hmac_final(struct openssl_hmac_context *_ctx, unsigned char *digest)
+{
+ int ec;
+ unsigned char buf[HMAC_MAX_MD_CBLOCK];
+ unsigned int outl;
+// const char *ebuf = NULL;
+// const char **error_r = &ebuf;
+
+ struct openssl_hmac_context_priv *ctx = &_ctx->u.priv;
+ ec = HMAC_Final(ctx->ctx, buf, &outl);
+ HMAC_CTX_free(ctx->ctx);
+ if (ec == 1)
+ memcpy(digest, buf, outl);
+// else
+// dcrypt_openssl_error(error_r);
+
+}
+
+void orig_hmac_final(struct orig_hmac_context *_ctx, unsigned char *digest)
{
- struct hmac_context_priv *ctx = &_ctx->u.priv;
+ struct orig_hmac_context_priv *ctx = &_ctx->u.priv;
ctx->hash->result(ctx->ctx, digest);
@@ -63,53 +140,50 @@ void hmac_final(struct hmac_context *_ct
ctx->hash->result(ctx->ctxo, digest);
}
-buffer_t *t_hmac_data(const struct hash_method *meth,
+buffer_t *openssl_t_hmac_data(const struct hash_method *meth,
const unsigned char *key, size_t key_len,
const void *data, size_t data_len)
{
- struct hmac_context ctx;
+ struct openssl_hmac_context ctx;
i_assert(meth != NULL);
i_assert(key != NULL && key_len > 0);
i_assert(data != NULL || data_len == 0);
buffer_t *res = t_buffer_create(meth->digest_size);
- hmac_init(&ctx, key, key_len, meth);
+ openssl_hmac_init(&ctx, key, key_len, meth);
if (data_len > 0)
- hmac_update(&ctx, data, data_len);
+ openssl_hmac_update(&ctx, data, data_len);
unsigned char *buf = buffer_get_space_unsafe(res, 0, meth->digest_size);
- hmac_final(&ctx, buf);
+ openssl_hmac_final(&ctx, buf);
return res;
}
-buffer_t *t_hmac_buffer(const struct hash_method *meth,
+buffer_t *openssl_t_hmac_buffer(const struct hash_method *meth,
const unsigned char *key, size_t key_len,
const buffer_t *data)
{
- return t_hmac_data(meth, key, key_len, data->data, data->used);
+ return openssl_t_hmac_data(meth, key, key_len, data->data, data->used);
}
-buffer_t *t_hmac_str(const struct hash_method *meth,
+buffer_t *openssl_t_hmac_str(const struct hash_method *meth,
const unsigned char *key, size_t key_len,
const char *data)
{
- return t_hmac_data(meth, key, key_len, data, strlen(data));
+ return openssl_t_hmac_data(meth, key, key_len, data, strlen(data));
}
-void hmac_hkdf(const struct hash_method *method,
+void openssl_hmac_hkdf(const struct hash_method *method,
const unsigned char *salt, size_t salt_len,
const unsigned char *ikm, size_t ikm_len,
const unsigned char *info, size_t info_len,
buffer_t *okm_r, size_t okm_len)
{
+ const EVP_MD *md;
+ EVP_PKEY_CTX *pctx;
+ int r = 1;
+
i_assert(method != NULL);
i_assert(okm_len < 255*method->digest_size);
- struct hmac_context key_mac;
- struct hmac_context info_mac;
- size_t remain = okm_len;
- unsigned char prk[method->digest_size];
- unsigned char okm[method->digest_size];
- /* N = ceil(L/HashLen) */
- unsigned int rounds = (okm_len + method->digest_size - 1)/method->digest_size;
/* salt and info can be NULL */
i_assert(salt != NULL || salt_len == 0);
@@ -118,35 +192,30 @@ void hmac_hkdf(const struct hash_method
i_assert(ikm != NULL && ikm_len > 0);
i_assert(okm_r != NULL && okm_len > 0);
- /* but they still need valid pointer, reduces
- complains from static analysers */
- if (salt == NULL)
- salt = &uchar_nul;
- if (info == NULL)
- info = &uchar_nul;
-
- /* extract */
- hmac_init(&key_mac, salt, salt_len, method);
- hmac_update(&key_mac, ikm, ikm_len);
- hmac_final(&key_mac, prk);
-
- /* expand */
- for (unsigned int i = 0; remain > 0 && i < rounds; i++) {
- unsigned char round = (i+1);
- size_t amt = remain;
- if (amt > method->digest_size)
- amt = method->digest_size;
- hmac_init(&info_mac, prk, method->digest_size, method);
- if (i > 0)
- hmac_update(&info_mac, okm, method->digest_size);
- hmac_update(&info_mac, info, info_len);
- hmac_update(&info_mac, &round, 1);
- memset(okm, 0, method->digest_size);
- hmac_final(&info_mac, okm);
- buffer_append(okm_r, okm, amt);
- remain -= amt;
+
+ md = EVP_get_digestbyname(method->name);
+ pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_HKDF, NULL);
+ unsigned char *okm_buf = buffer_get_space_unsafe(okm_r, 0, okm_len);
+
+ if ((r=EVP_PKEY_derive_init(pctx)) <= 0)
+ goto out;
+ if ((r=EVP_PKEY_CTX_set_hkdf_md(pctx, md)) <= 0)
+ goto out;
+ if ((r=EVP_PKEY_CTX_set1_hkdf_salt(pctx, salt, salt_len)) <= 0)
+ goto out;
+ if ((r=EVP_PKEY_CTX_set1_hkdf_key(pctx, ikm, ikm_len)) <= 0)
+ goto out;
+ if ((r=EVP_PKEY_CTX_add1_hkdf_info(pctx, info, info_len)) <= 0)
+ goto out;
+ if ((r=EVP_PKEY_derive(pctx, okm_buf, &okm_len)) <= 0)
+ goto out;
+
+ out:
+ EVP_PKEY_CTX_free(pctx);
+ if (r <= 0) {
+ unsigned long ec = ERR_get_error();
+ unsigned char *error = t_strdup_printf("%s", ERR_error_string(ec, NULL));
+ i_error("%s", error);
}
- safe_memset(prk, 0, sizeof(prk));
- safe_memset(okm, 0, sizeof(okm));
}
diff -up dovecot-2.3.14/src/lib/hmac-cram-md5.c.opensslhmac dovecot-2.3.14/src/lib/hmac-cram-md5.c
--- dovecot-2.3.14/src/lib/hmac-cram-md5.c.opensslhmac 2021-03-04 09:38:06.000000000 +0100
+++ dovecot-2.3.14/src/lib/hmac-cram-md5.c 2021-03-22 20:44:13.023912229 +0100
@@ -9,10 +9,10 @@
#include "md5.h"
#include "hmac-cram-md5.h"
-void hmac_md5_get_cram_context(struct hmac_context *_hmac_ctx,
+void hmac_md5_get_cram_context(struct orig_hmac_context *_hmac_ctx,
unsigned char context_digest[CRAM_MD5_CONTEXTLEN])
{
- struct hmac_context_priv *hmac_ctx = &_hmac_ctx->u.priv;
+ struct orig_hmac_context_priv *hmac_ctx = &_hmac_ctx->u.priv;
unsigned char *cdp;
struct md5_context *ctx = (void*)hmac_ctx->ctx;
@@ -35,10 +35,10 @@ void hmac_md5_get_cram_context(struct hm
CDPUT(cdp, ctx->d);
}
-void hmac_md5_set_cram_context(struct hmac_context *_hmac_ctx,
+void hmac_md5_set_cram_context(struct orig_hmac_context *_hmac_ctx,
const unsigned char context_digest[CRAM_MD5_CONTEXTLEN])
{
- struct hmac_context_priv *hmac_ctx = &_hmac_ctx->u.priv;
+ struct orig_hmac_context_priv *hmac_ctx = &_hmac_ctx->u.priv;
const unsigned char *cdp;
struct md5_context *ctx = (void*)hmac_ctx->ctx;
diff -up dovecot-2.3.14/src/lib/hmac-cram-md5.h.opensslhmac dovecot-2.3.14/src/lib/hmac-cram-md5.h
--- dovecot-2.3.14/src/lib/hmac-cram-md5.h.opensslhmac 2021-03-04 09:38:06.000000000 +0100
+++ dovecot-2.3.14/src/lib/hmac-cram-md5.h 2021-03-22 20:44:13.023912229 +0100
@@ -5,9 +5,9 @@
#define CRAM_MD5_CONTEXTLEN 32
-void hmac_md5_get_cram_context(struct hmac_context *ctx,
+void hmac_md5_get_cram_context(struct orig_hmac_context *ctx,
unsigned char context_digest[CRAM_MD5_CONTEXTLEN]);
-void hmac_md5_set_cram_context(struct hmac_context *ctx,
+void hmac_md5_set_cram_context(struct orig_hmac_context *ctx,
const unsigned char context_digest[CRAM_MD5_CONTEXTLEN]);
diff -up dovecot-2.3.14/src/lib/hmac.h.opensslhmac dovecot-2.3.14/src/lib/hmac.h
--- dovecot-2.3.14/src/lib/hmac.h.opensslhmac 2021-03-04 09:38:06.000000000 +0100
+++ dovecot-2.3.14/src/lib/hmac.h 2021-03-22 20:44:13.023912229 +0100
@@ -4,60 +4,97 @@
#include "hash-method.h"
#include "sha1.h"
#include "sha2.h"
+#include <openssl/objects.h>
+#include <openssl/hmac.h>
+#include <openssl/kdf.h>
+#include <openssl/err.h>
#define HMAC_MAX_CONTEXT_SIZE sizeof(struct sha512_ctx)
-struct hmac_context_priv {
+struct openssl_hmac_context_priv {
+#ifdef HAVE_HMAC_CTX_NEW
+ HMAC_CTX *ctx;
+#else
+ HMAC_CTX ctx;
+#endif
+ const struct hash_method *hash;
+};
+
+struct orig_hmac_context_priv {
char ctx[HMAC_MAX_CONTEXT_SIZE];
char ctxo[HMAC_MAX_CONTEXT_SIZE];
const struct hash_method *hash;
};
-struct hmac_context {
+struct openssl_hmac_context {
+ union {
+ struct openssl_hmac_context_priv priv;
+ uint64_t padding_requirement;
+ } u;
+};
+
+struct orig_hmac_context {
union {
- struct hmac_context_priv priv;
+ struct orig_hmac_context_priv priv;
uint64_t padding_requirement;
} u;
};
-void hmac_init(struct hmac_context *ctx, const unsigned char *key,
+void openssl_hmac_init(struct openssl_hmac_context *ctx, const unsigned char *key,
+ size_t key_len, const struct hash_method *meth);
+void openssl_hmac_final(struct openssl_hmac_context *ctx, unsigned char *digest);
+
+static inline void
+openssl_hmac_update(struct openssl_hmac_context *_ctx, const void *data, size_t size)
+{
+ struct openssl_hmac_context_priv *ctx = &_ctx->u.priv;
+ HMAC_Update(ctx->ctx, data, size);
+/* if (ec != 1)
+ {
+ const char *ebuf = NULL;
+ const char **error_r = &ebuf;
+ dcrypt_openssl_error(error_r);
+ }*/
+}
+
+void orig_hmac_init(struct orig_hmac_context *ctx, const unsigned char *key,
size_t key_len, const struct hash_method *meth);
-void hmac_final(struct hmac_context *ctx, unsigned char *digest);
+void orig_hmac_final(struct orig_hmac_context *ctx, unsigned char *digest);
static inline void
-hmac_update(struct hmac_context *_ctx, const void *data, size_t size)
+orig_hmac_update(struct orig_hmac_context *_ctx, const void *data, size_t size)
{
- struct hmac_context_priv *ctx = &_ctx->u.priv;
+ struct orig_hmac_context_priv *ctx = &_ctx->u.priv;
ctx->hash->loop(ctx->ctx, data, size);
}
-buffer_t *t_hmac_data(const struct hash_method *meth,
+buffer_t *openssl_t_hmac_data(const struct hash_method *meth,
const unsigned char *key, size_t key_len,
const void *data, size_t data_len);
-buffer_t *t_hmac_buffer(const struct hash_method *meth,
+buffer_t *openssl_t_hmac_buffer(const struct hash_method *meth,
const unsigned char *key, size_t key_len,
const buffer_t *data);
-buffer_t *t_hmac_str(const struct hash_method *meth,
+buffer_t *openssl_t_hmac_str(const struct hash_method *meth,
const unsigned char *key, size_t key_len,
const char *data);
-void hmac_hkdf(const struct hash_method *method,
+void openssl_hmac_hkdf(const struct hash_method *method,
const unsigned char *salt, size_t salt_len,
const unsigned char *ikm, size_t ikm_len,
const unsigned char *info, size_t info_len,
buffer_t *okm_r, size_t okm_len);
static inline buffer_t *
-t_hmac_hkdf(const struct hash_method *method,
+openssl_t_hmac_hkdf(const struct hash_method *method,
const unsigned char *salt, size_t salt_len,
const unsigned char *ikm, size_t ikm_len,
const unsigned char *info, size_t info_len,
size_t okm_len)
{
buffer_t *okm_buffer = t_buffer_create(okm_len);
- hmac_hkdf(method, salt, salt_len, ikm, ikm_len, info, info_len,
+ openssl_hmac_hkdf(method, salt, salt_len, ikm, ikm_len, info, info_len,
okm_buffer, okm_len);
return okm_buffer;
}
diff -up dovecot-2.3.14/src/lib-imap-urlauth/imap-urlauth.c.opensslhmac dovecot-2.3.14/src/lib-imap-urlauth/imap-urlauth.c
--- dovecot-2.3.14/src/lib-imap-urlauth/imap-urlauth.c.opensslhmac 2021-03-04 09:38:06.000000000 +0100
+++ dovecot-2.3.14/src/lib-imap-urlauth/imap-urlauth.c 2021-03-22 20:44:13.023912229 +0100
@@ -85,15 +85,15 @@ imap_urlauth_internal_generate(const cha
const unsigned char mailbox_key[IMAP_URLAUTH_KEY_LEN],
size_t *token_len_r)
{
- struct hmac_context hmac;
+ struct openssl_hmac_context hmac;
unsigned char *token;
token = t_new(unsigned char, SHA1_RESULTLEN + 1);
token[0] = IMAP_URLAUTH_MECH_INTERNAL_VERSION;
- hmac_init(&hmac, mailbox_key, IMAP_URLAUTH_KEY_LEN, &hash_method_sha1);
- hmac_update(&hmac, rumpurl, strlen(rumpurl));
- hmac_final(&hmac, token+1);
+ openssl_hmac_init(&hmac, mailbox_key, IMAP_URLAUTH_KEY_LEN, &hash_method_sha1);
+ openssl_hmac_update(&hmac, rumpurl, strlen(rumpurl));
+ openssl_hmac_final(&hmac, token+1);
*token_len_r = SHA1_RESULTLEN + 1;
return token;
diff -up dovecot-2.3.14/src/lib/Makefile.am.opensslhmac dovecot-2.3.14/src/lib/Makefile.am
--- dovecot-2.3.14/src/lib/Makefile.am.opensslhmac 2021-03-04 09:38:06.000000000 +0100
+++ dovecot-2.3.14/src/lib/Makefile.am 2021-03-22 20:44:13.023912229 +0100
@@ -352,6 +352,9 @@ headers = \
wildcard-match.h \
write-full.h
+liblib_la_LIBADD = $(SSL_LIBS)
+liblib_la_CFLAGS = $(SSL_CFLAGS)
+
test_programs = test-lib
noinst_PROGRAMS = $(test_programs)
diff -up dovecot-2.3.14/src/lib-oauth2/oauth2-jwt.c.opensslhmac dovecot-2.3.14/src/lib-oauth2/oauth2-jwt.c
--- dovecot-2.3.14/src/lib-oauth2/oauth2-jwt.c.opensslhmac 2021-03-04 09:38:06.000000000 +0100
+++ dovecot-2.3.14/src/lib-oauth2/oauth2-jwt.c 2021-03-22 20:44:13.024912217 +0100
@@ -106,14 +106,14 @@ oauth2_validate_hmac(const struct oauth2
if (oauth2_lookup_hmac_key(set, azp, alg, key_id, &key, error_r) < 0)
return -1;
- struct hmac_context ctx;
- hmac_init(&ctx, key->data, key->used, method);
- hmac_update(&ctx, blobs[0], strlen(blobs[0]));
- hmac_update(&ctx, ".", 1);
- hmac_update(&ctx, blobs[1], strlen(blobs[1]));
+ struct openssl_hmac_context ctx;
+ openssl_hmac_init(&ctx, key->data, key->used, method);
+ openssl_hmac_update(&ctx, blobs[0], strlen(blobs[0]));
+ openssl_hmac_update(&ctx, ".", 1);
+ openssl_hmac_update(&ctx, blobs[1], strlen(blobs[1]));
unsigned char digest[method->digest_size];
- hmac_final(&ctx, digest);
+ openssl_hmac_final(&ctx, digest);
buffer_t *their_digest =
t_base64url_decode_str(BASE64_DECODE_FLAG_NO_PADDING, blobs[2]);
diff -up dovecot-2.3.14/src/lib-oauth2/test-oauth2-jwt.c.opensslhmac dovecot-2.3.14/src/lib-oauth2/test-oauth2-jwt.c
--- dovecot-2.3.14/src/lib-oauth2/test-oauth2-jwt.c.opensslhmac 2021-03-04 09:38:06.000000000 +0100
+++ dovecot-2.3.14/src/lib-oauth2/test-oauth2-jwt.c 2021-03-22 20:46:09.524440794 +0100
@@ -236,7 +236,7 @@ static void save_key_to(const char *algo
static void sign_jwt_token_hs256(buffer_t *tokenbuf, buffer_t *key)
{
i_assert(key != NULL);
- buffer_t *sig = t_hmac_buffer(&hash_method_sha256, key->data, key->used,
+ buffer_t *sig = openssl_t_hmac_buffer(&hash_method_sha256, key->data, key->used,
tokenbuf);
buffer_append(tokenbuf, ".", 1);
base64url_encode(BASE64_ENCODE_FLAG_NO_PADDING, SIZE_MAX,
@@ -246,7 +246,7 @@ static void sign_jwt_token_hs256(buffer_
static void sign_jwt_token_hs384(buffer_t *tokenbuf, buffer_t *key)
{
i_assert(key != NULL);
- buffer_t *sig = t_hmac_buffer(&hash_method_sha384, key->data, key->used,
+ buffer_t *sig = openssl_t_hmac_buffer(&hash_method_sha384, key->data, key->used,
tokenbuf);
buffer_append(tokenbuf, ".", 1);
base64url_encode(BASE64_ENCODE_FLAG_NO_PADDING, SIZE_MAX,
@@ -256,7 +256,7 @@ static void sign_jwt_token_hs384(buffer_
static void sign_jwt_token_hs512(buffer_t *tokenbuf, buffer_t *key)
{
i_assert(key != NULL);
- buffer_t *sig = t_hmac_buffer(&hash_method_sha512, key->data, key->used,
+ buffer_t *sig = openssl_t_hmac_buffer(&hash_method_sha512, key->data, key->used,
tokenbuf);
buffer_append(tokenbuf, ".", 1);
base64url_encode(BASE64_ENCODE_FLAG_NO_PADDING, SIZE_MAX,
diff -up dovecot-2.3.14/src/lib/pkcs5.c.opensslhmac dovecot-2.3.14/src/lib/pkcs5.c
--- dovecot-2.3.14/src/lib/pkcs5.c.opensslhmac 2021-03-04 09:38:06.000000000 +0100
+++ dovecot-2.3.14/src/lib/pkcs5.c 2021-03-22 20:44:13.024912217 +0100
@@ -52,7 +52,7 @@ int pkcs5_pbkdf2(const struct hash_metho
size_t l = (length + hash->digest_size - 1)/hash->digest_size; /* same as ceil(length/hash->digest_size) */
unsigned char dk[l * hash->digest_size];
unsigned char *block;
- struct hmac_context hctx;
+ struct openssl_hmac_context hctx;
unsigned int c,i,t;
unsigned char U_c[hash->digest_size];
@@ -60,17 +60,17 @@ int pkcs5_pbkdf2(const struct hash_metho
block = &(dk[t*hash->digest_size]);
/* U_1 = PRF(Password, Salt|| INT_BE32(Block_Number)) */
c = htonl(t+1);
- hmac_init(&hctx, password, password_len, hash);
- hmac_update(&hctx, salt, salt_len);
- hmac_update(&hctx, &c, sizeof(c));
- hmac_final(&hctx, U_c);
+ openssl_hmac_init(&hctx, password, password_len, hash);
+ openssl_hmac_update(&hctx, salt, salt_len);
+ openssl_hmac_update(&hctx, &c, sizeof(c));
+ openssl_hmac_final(&hctx, U_c);
/* block = U_1 ^ .. ^ U_iter */
memcpy(block, U_c, hash->digest_size);
/* U_c = PRF(Password, U_c-1) */
for(c = 1; c < iter; c++) {
- hmac_init(&hctx, password, password_len, hash);
- hmac_update(&hctx, U_c, hash->digest_size);
- hmac_final(&hctx, U_c);
+ openssl_hmac_init(&hctx, password, password_len, hash);
+ openssl_hmac_update(&hctx, U_c, hash->digest_size);
+ openssl_hmac_final(&hctx, U_c);
for(i = 0; i < hash->digest_size; i++)
block[i] ^= U_c[i];
}
diff -up dovecot-2.3.14/src/lib/test-hmac.c.opensslhmac dovecot-2.3.14/src/lib/test-hmac.c
--- dovecot-2.3.14/src/lib/test-hmac.c.opensslhmac 2021-03-04 09:38:06.000000000 +0100
+++ dovecot-2.3.14/src/lib/test-hmac.c 2021-03-22 20:44:13.024912217 +0100
@@ -206,11 +206,11 @@ static void test_hmac_rfc(void)
test_begin("hmac sha256 rfc4231 vectors");
for(size_t i = 0; i < N_ELEMENTS(test_vectors); i++) {
const struct test_vector *vec = &(test_vectors[i]);
- struct hmac_context ctx;
- hmac_init(&ctx, vec->key, vec->key_len, hash_method_lookup(vec->prf));
- hmac_update(&ctx, vec->data, vec->data_len);
+ struct openssl_hmac_context ctx;
+ openssl_hmac_init(&ctx, vec->key, vec->key_len, hash_method_lookup(vec->prf));
+ openssl_hmac_update(&ctx, vec->data, vec->data_len);
unsigned char res[SHA256_RESULTLEN];
- hmac_final(&ctx, res);
+ openssl_hmac_final(&ctx, res);
test_assert_idx(memcmp(res, vec->res, vec->res_len) == 0, i);
}
test_end();
@@ -221,11 +221,11 @@ static void test_hmac384_rfc(void)
test_begin("hmac sha384 rfc4231 vectors");
for (size_t i = 0; i < N_ELEMENTS(test_vectors_hmac384); i++) {
const struct test_vector *vec = &(test_vectors_hmac384[i]);
- struct hmac_context ctx;
- hmac_init(&ctx, vec->key, vec->key_len, hash_method_lookup(vec->prf));
- hmac_update(&ctx, vec->data, vec->data_len);
+ struct openssl_hmac_context ctx;
+ openssl_hmac_init(&ctx, vec->key, vec->key_len, hash_method_lookup(vec->prf));
+ openssl_hmac_update(&ctx, vec->data, vec->data_len);
unsigned char res[SHA384_RESULTLEN];
- hmac_final(&ctx, res);
+ openssl_hmac_final(&ctx, res);
test_assert_idx(memcmp(res, vec->res, vec->res_len) == 0, i);
}
test_end();
@@ -236,11 +236,11 @@ static void test_hmac512_rfc(void)
test_begin("hmac sha512 rfc4231 vectors");
for (size_t i = 0; i < N_ELEMENTS(test_vectors_hmac512); i++) {
const struct test_vector *vec = &(test_vectors_hmac512[i]);
- struct hmac_context ctx;
- hmac_init(&ctx, vec->key, vec->key_len, hash_method_lookup(vec->prf));
- hmac_update(&ctx, vec->data, vec->data_len);
+ struct openssl_hmac_context ctx;
+ openssl_hmac_init(&ctx, vec->key, vec->key_len, hash_method_lookup(vec->prf));
+ openssl_hmac_update(&ctx, vec->data, vec->data_len);
unsigned char res[SHA512_RESULTLEN];
- hmac_final(&ctx, res);
+ openssl_hmac_final(&ctx, res);
test_assert_idx(memcmp(res, vec->res, vec->res_len) == 0, i);
}
test_end();
@@ -253,7 +253,7 @@ static void test_hmac_buffer(void)
buffer_t *tmp;
- tmp = t_hmac_data(hash_method_lookup(vec->prf), vec->key, vec->key_len,
+ tmp = openssl_t_hmac_data(hash_method_lookup(vec->prf), vec->key, vec->key_len,
vec->data, vec->data_len);
test_assert(tmp->used == vec->res_len &&
@@ -270,7 +270,7 @@ static void test_hkdf_rfc(void)
buffer_set_used_size(res, 0);
const struct test_vector_5869 *vec = &(test_vectors_5869[i]);
const struct hash_method *m = hash_method_lookup(vec->prf);
- hmac_hkdf(m, vec->salt, vec->salt_len, vec->ikm, vec->ikm_len,
+ openssl_hmac_hkdf(m, vec->salt, vec->salt_len, vec->ikm, vec->ikm_len,
vec->info, vec->info_len, res, vec->okm_len);
test_assert_idx(memcmp(res->data, vec->okm, vec->okm_len) == 0, i);
}
@@ -283,7 +283,7 @@ static void test_hkdf_buffer(void)
test_begin("hkdf temporary buffer");
const struct test_vector_5869 *vec = &(test_vectors_5869[0]);
const struct hash_method *m = hash_method_lookup(vec->prf);
- buffer_t *tmp = t_hmac_hkdf(m, vec->salt, vec->salt_len, vec->ikm,
+ buffer_t *tmp = openssl_t_hmac_hkdf(m, vec->salt, vec->salt_len, vec->ikm,
vec->ikm_len, vec->info, vec->info_len,
vec->okm_len);
test_assert(tmp->used == vec->okm_len &&
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