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Remove 'log' field from SCT and related accessors

In order to still have access to an SCT's CTLOG when calling SCT_print,
SSL_CTX_get0_ctlog_store has been added.

Improved documentation for some CT functions in openssl/ssl.h.

Reviewed-by: Emilia Käsper <emilia@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
This commit is contained in:
Rob Percival 2016-03-10 18:17:23 +00:00 committed by Rich Salz
parent f0667b1430
commit 8359b57f27
11 changed files with 77 additions and 70 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
apps/s_client.c
View File

@ -204,7 +204,7 @@ static int c_quiet = 0;
static int c_ign_eof = 0;
static int c_brief = 0;
static void print_stuff(BIO *berr, SSL *con, int full);
static void print_stuff(BIO *berr, const SSL_CTX *ctx, SSL *con, int full);
static int ocsp_resp_cb(SSL *s, void *arg);
static int saved_errno;
@ -2184,7 +2184,7 @@ int s_client_main(int argc, char **argv)
print_ssl_summary(con);
}
print_stuff(bio_c_out, con, full_log);
print_stuff(bio_c_out, ctx, con, full_log);
if (full_log > 0)
full_log--;
@ -2516,13 +2516,13 @@ int s_client_main(int argc, char **argv)
ret = 0;
shut:
if (in_init)
print_stuff(bio_c_out, con, full_log);
print_stuff(bio_c_out, ctx, con, full_log);
do_ssl_shutdown(con);
BIO_closesocket(SSL_get_fd(con));
end:
if (con != NULL) {
if (prexit != 0)
print_stuff(bio_c_out, con, 1);
print_stuff(bio_c_out, ctx, con, 1);
SSL_free(con);
}
#if !defined(OPENSSL_NO_NEXTPROTONEG)
@ -2554,7 +2554,7 @@ int s_client_main(int argc, char **argv)
return (ret);
}
static void print_stuff(BIO *bio, SSL *s, int full)
static void print_stuff(BIO *bio, const SSL_CTX *ctx, SSL *s, int full)
{
X509 *peer = NULL;
char buf[BUFSIZ];
@ -2634,7 +2634,7 @@ static void print_stuff(BIO *bio, SSL *s, int full)
if (scts != NULL && sk_SCT_num(scts) > 0) {
BIO_printf(bio, "---\n");
SCT_LIST_print(scts, bio, 0, "\n---\n");
SCT_LIST_print(scts, bio, 0, "\n---\n", SSL_CTX_get0_ctlog_store(ctx));
BIO_printf(bio, "\n");
}
#endif

2
crypto/ct/ct_locl.h
View File

@ -125,8 +125,6 @@ struct sct_st {
ct_log_entry_type_t entry_type;
/* Where this SCT was found, e.g. certificate, OCSP response, etc. */
sct_source_t source;
/* The CT log that produced this SCT. */
const CTLOG *log;
/* The result of the last attempt to validate this SCT. */
sct_validation_status_t validation_status;
};

17
crypto/ct/ct_prn.c
View File

@ -96,7 +96,7 @@ static void timestamp_print(uint64_t timestamp, BIO *out)
ASN1_GENERALIZEDTIME_free(gen);
}
void SCT_print(const SCT *sct, BIO *out, int indent)
void SCT_print(const SCT *sct, BIO *out, int indent, const CTLOG *log)
{
BIO_printf(out, "%*sSigned Certificate Timestamp:", indent, "");
BIO_printf(out, "\n%*sVersion : ", indent + 4, "");
@ -109,9 +109,9 @@ void SCT_print(const SCT *sct, BIO *out, int indent)
BIO_printf(out, "v1 (0x0)");
if (sct->log != NULL) {
if (log != NULL) {
BIO_printf(out, "\n%*sLog : %s", indent + 4, "",
SCT_get0_log_name(sct));
CTLOG_get0_name(log));
}
BIO_printf(out, "\n%*sLog ID : ", indent + 4, "");
@ -133,13 +133,20 @@ void SCT_print(const SCT *sct, BIO *out, int indent)
}
void SCT_LIST_print(const STACK_OF(SCT) *sct_list, BIO *out, int indent,
const char *separator)
const char *separator, const CTLOG_STORE *log_store)
{
int i;
for (i = 0; i < sk_SCT_num(sct_list); ++i) {
SCT *sct = sk_SCT_value(sct_list, i);
SCT_print(sct, out, indent);
const CTLOG *log = NULL;
if (log_store != NULL) {
log = CTLOG_STORE_get0_log_by_id(log_store, sct->log_id,
sct->log_id_len);
}
SCT_print(sct, out, indent, log);
if (i < sk_SCT_num(sct_list) - 1)
BIO_printf(out, "%s", separator);
}

34
crypto/ct/ct_sct.c
View File

@ -251,11 +251,6 @@ size_t SCT_get0_log_id(const SCT *sct, unsigned char **log_id)
return sct->log_id_len;
}
const char *SCT_get0_log_name(const SCT *sct)
{
return CTLOG_get0_name(sct->log);
}
uint64_t SCT_get_timestamp(const SCT *sct)
{
return sct->timestamp;
@ -327,18 +322,6 @@ int SCT_set_source(SCT *sct, sct_source_t source)
}
}
const CTLOG *SCT_get0_log(const SCT *sct)
{
return sct->log;
}
int SCT_set0_log(SCT *sct, const CTLOG_STORE *ct_logs)
{
sct->log = CTLOG_STORE_get0_log_by_id(ct_logs, sct->log_id, sct->log_id_len);
return sct->log != NULL;
}
sct_validation_status_t SCT_get_validation_status(const SCT *sct)
{
return sct->validation_status;
@ -349,20 +332,17 @@ int SCT_validate(SCT *sct, const CT_POLICY_EVAL_CTX *ctx)
int is_sct_valid = -1;
SCT_CTX *sctx = NULL;
X509_PUBKEY *pub = NULL, *log_pkey = NULL;
const CTLOG *log;
switch (sct->version) {
case SCT_VERSION_V1:
if (sct->log == NULL)
sct->log = CTLOG_STORE_get0_log_by_id(ctx->log_store,
sct->log_id,
CT_V1_HASHLEN);
break;
default:
if (sct->version != SCT_VERSION_V1) {
sct->validation_status = SCT_VALIDATION_STATUS_UNKNOWN_VERSION;
goto end;
}
if (sct->log == NULL) {
log = CTLOG_STORE_get0_log_by_id(ctx->log_store,
sct->log_id, sct->log_id_len);
if (log == NULL) {
sct->validation_status = SCT_VALIDATION_STATUS_UNKNOWN_LOG;
goto end;
}
@ -371,7 +351,7 @@ int SCT_validate(SCT *sct, const CT_POLICY_EVAL_CTX *ctx)
if (sctx == NULL)
goto err;
if (X509_PUBKEY_set(&log_pkey, CTLOG_get0_public_key(sct->log)) != 1)
if (X509_PUBKEY_set(&log_pkey, CTLOG_get0_public_key(log)) != 1)
goto err;
if (SCT_CTX_set1_pubkey(sctx, log_pkey) != 1)
goto err;

2
crypto/ct/ct_x509v3.c
View File

@ -75,7 +75,7 @@ static char *i2s_poison(const X509V3_EXT_METHOD *method, void *val)
static int i2r_SCT_LIST(X509V3_EXT_METHOD *method, STACK_OF(SCT) *sct_list,
BIO *out, int indent)
{
SCT_LIST_print(sct_list, out, indent, "\n");
SCT_LIST_print(sct_list, out, indent, "\n", NULL);
return 1;
}

30
include/openssl/ct.h
View File

@ -222,13 +222,6 @@ __owur int SCT_set0_log_id(SCT *sct, unsigned char *log_id, size_t log_id_len);
__owur int SCT_set1_log_id(SCT *sct, const unsigned char *log_id,
size_t log_id_len);
/*
* Gets the name of the log that an SCT came from.
* Ownership of the log name remains with the SCT.
* Returns the log name, or NULL if it is not known.
*/
const char *SCT_get0_log_name(const SCT *sct);
/*
* Returns the timestamp for the SCT (epoch time in milliseconds).
*/
@ -306,33 +299,24 @@ sct_source_t SCT_get_source(const SCT *sct);
*/
__owur int SCT_set_source(SCT *sct, sct_source_t source);
/*
* Gets information about the log the SCT came from, if set.
*/
const CTLOG *SCT_get0_log(const SCT *sct);
/*
* Looks up information about the log the SCT came from using a CT log store.
* The CTLOG_STORE must outlive the SCT, as ownership of the CTLOG remains with
* the CTLOG_STORE.
* Returns 1 if information about the log is found, 0 otherwise.
* The information can be accessed via SCT_get0_log.
*/
int SCT_set0_log(SCT *sct, const CTLOG_STORE* ct_logs);
/*
* Pretty-prints an |sct| to |out|.
* It will be indented by the number of spaces specified by |indent|.
* If |log| is not NULL:
* - it should be the CT log that the SCT came from.
* - its name will be printed.
*/
void SCT_print(const SCT *sct, BIO *out, int indent);
void SCT_print(const SCT *sct, BIO *out, int indent, const CTLOG *log);
/*
* Pretty-prints an |sct_list| to |out|.
* It will be indented by the number of spaces specified by |indent|.
* SCTs will be delimited by |separator|.
* If |logs| is not NULL, it will be used to lookup the CT log that each SCT
* came from, so that the log names can be printed.
*/
void SCT_LIST_print(const STACK_OF(SCT) *sct_list, BIO *out, int indent,
const char *separator);
const char *separator, const CTLOG_STORE *logs);
/*
* Verifies an SCT with the given context.

32
include/openssl/ssl.h
View File

@ -1932,11 +1932,39 @@ __owur ct_validation_cb SSL_CTX_get_ct_validation_callback(const SSL_CTX *ctx);
/* Gets the SCTs received from a connection */
const STACK_OF(SCT) *SSL_get0_peer_scts(SSL *s);
/* Load the CT log list from the default location */
/*
* Loads the CT log list from the default location.
* If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
* the log information loaded from this file will be appended to the
* CTLOG_STORE.
* Returns 1 on success, 0 otherwise.
*/
int SSL_CTX_set_default_ctlog_list_file(SSL_CTX *ctx);
/* Load the CT log list from the specified file path */
/*
* Loads the CT log list from the specified file path.
* If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
* the log information loaded from this file will be appended to the
* CTLOG_STORE.
* Returns 1 on success, 0 otherwise.
*/
int SSL_CTX_set_ctlog_list_file(SSL_CTX *ctx, const char *path);
/*
* Sets the CT log list used by all SSL connections created from this SSL_CTX.
* Ownership of the CTLOG_STORE is transferred to the SSL_CTX.
*/
void SSL_CTX_set0_ctlog_store(SSL_CTX *ctx, CTLOG_STORE *logs);
/*
* Gets the CT log list used by all SSL connections created from this SSL_CTX.
* This will be NULL unless one of the following functions has been called:
* - SSL_CTX_set_default_ctlog_list_file
* - SSL_CTX_set_ctlog_list_file
* - SSL_CTX_set_ctlog_store
*/
const CTLOG_STORE *SSL_CTX_get0_ctlog_store(const SSL_CTX *ctx);
# endif /* OPENSSL_NO_CT */
/* What the "other" parameter contains in security callback */

11
ssl/ssl_lib.c
View File

@ -4156,4 +4156,15 @@ int SSL_CTX_set_ctlog_list_file(SSL_CTX *ctx, const char *path)
return CTLOG_STORE_load_file(ctx->ctlog_store, path);
}
void SSL_CTX_set0_ctlog_store(SSL_CTX *ctx, CTLOG_STORE *logs)
{
CTLOG_STORE_free(ctx->ctlog_store);
ctx->ctlog_store = logs;
}
const CTLOG_STORE *SSL_CTX_get0_ctlog_store(const SSL_CTX *ctx)
{
return ctx->ctlog_store;
}
#endif

2
test/ct_test.c
View File

@ -202,7 +202,7 @@ static int compare_sct_printout(SCT *sct,
goto end;
}
SCT_print(sct, text_buffer, 0);
SCT_print(sct, text_buffer, 0, NULL);
/* Append null terminator because we're about to use the buffer contents
* as a string. */

3
util/libcrypto.num
View File

@ -1240,7 +1240,6 @@ OBJ_obj2nid 1202 1_1_0 EXIST::FUNCTION:
PKCS12_SAFEBAG_free 1203 1_1_0 EXIST::FUNCTION:
EVP_cast5_cfb64 1204 1_1_0 EXIST::FUNCTION:CAST
OPENSSL_uni2asc 1205 1_1_0 EXIST::FUNCTION:
SCT_set0_log 1206 1_1_0 EXIST::FUNCTION:
PKCS7_add_attribute 1207 1_1_0 EXIST::FUNCTION:
ENGINE_register_DSA 1208 1_1_0 EXIST::FUNCTION:ENGINE
lh_node_stats 1209 1_1_0 EXIST::FUNCTION:STDIO
@ -1953,7 +1952,6 @@ idea_cbc_encrypt 1890 1_1_0 EXIST::FUNCTION:IDEA
BN_CTX_secure_new 1891 1_1_0 EXIST::FUNCTION:
OCSP_ONEREQ_add_ext 1892 1_1_0 EXIST::FUNCTION:
CMS_uncompress 1893 1_1_0 EXIST::FUNCTION:CMS
SCT_get0_log 1894 1_1_0 EXIST::FUNCTION:
CRYPTO_mem_debug_pop 1895 1_1_0 EXIST::FUNCTION:CRYPTO_MDEBUG
EVP_aes_192_cfb128 1896 1_1_0 EXIST::FUNCTION:AES
OCSP_REQ_CTX_nbio 1897 1_1_0 EXIST::FUNCTION:
@ -3651,7 +3649,6 @@ ENGINE_set_default_string 3532 1_1_0 EXIST::FUNCTION:ENGINE
BIO_number_read 3533 1_1_0 EXIST::FUNCTION:
CRYPTO_zalloc 3534 1_1_0 EXIST::FUNCTION:
EVP_PKEY_cmp_parameters 3535 1_1_0 EXIST::FUNCTION:
SCT_get0_log_name 3536 1_1_0 EXIST::FUNCTION:
EVP_PKEY_CTX_new_id 3537 1_1_0 EXIST::FUNCTION:
TLS_FEATURE_free 3538 1_1_0 EXIST::FUNCTION:
d2i_BASIC_CONSTRAINTS 3539 1_1_0 EXIST::FUNCTION:

2
util/libssl.num
View File

@ -388,3 +388,5 @@ SSL_CIPHER_get_auth_nid 387 1_1_0 EXIST::FUNCTION:
SSL_CIPHER_get_kx_nid 388 1_1_0 EXIST::FUNCTION:
SSL_CIPHER_is_aead 389 1_1_0 EXIST::FUNCTION:
SSL_SESSION_up_ref 390 1_1_0 EXIST::FUNCTION:
SSL_CTX_set0_ctlog_store 391 1_1_0 EXIST::FUNCTION:CT
SSL_CTX_get0_ctlog_store 392 1_1_0 EXIST::FUNCTION:CT