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Give BIO an ex_data

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It has one in upstream OpenSSL. The most recent OpenSSL release is
hitting a compatibility issue with postgres, which seems like it'll get
fixed by postgres using BIO_get_app_data. Add it on our end too.

https://www.postgresql.org/message-id/CAN55FZ1eDDYsYaL7mv%2BoSLUij2h_u6hvD4Qmv-7PK7jkji0uyQ%40mail.gmail.com
https://github.com/Homebrew/homebrew-core/issues/155651

Change-Id: I5bf226cc3506a114cd62f885a8c15006512dfc65
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/64227
Auto-Submit: David Benjamin <davidben@google.com>
Reviewed-by: Bob Beck <bbe@google.com>
Commit-Queue: Bob Beck <bbe@google.com>
This commit is contained in:
David Benjamin
2023-11-28 21:08:11 +00:00
committed by Boringssl LUCI CQ
parent 3cd30ccd1d
commit 2139aba2e3
2 changed files with 49 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
crypto/bio/bio.c
+25
View File
@@ -69,6 +69,9 @@
#include "../internal.h"
static CRYPTO_EX_DATA_CLASS g_ex_data_class =
CRYPTO_EX_DATA_CLASS_INIT_WITH_APP_DATA;
BIO *BIO_new(const BIO_METHOD *method) {
BIO *ret = OPENSSL_zalloc(sizeof(BIO));
if (ret == NULL) {
@@ -78,6 +81,7 @@ BIO *BIO_new(const BIO_METHOD *method) {
ret->method = method;
ret->shutdown = 1;
ret->references = 1;
CRYPTO_new_ex_data(&ret->ex_data);
if (method->create != NULL && !method->create(ret)) {
OPENSSL_free(ret);
@@ -101,6 +105,7 @@ int BIO_free(BIO *bio) {
bio->method->destroy(bio);
}
CRYPTO_free_ex_data(&g_ex_data_class, bio, &bio->ex_data);
OPENSSL_free(bio);
}
return 1;
@@ -704,3 +709,23 @@ int BIO_meth_set_puts(BIO_METHOD *method, int (*puts)(BIO *, const char *)) {
// Ignore the parameter. We implement |BIO_puts| using |BIO_write|.
return 1;
}
int BIO_get_ex_new_index(long argl, void *argp,
CRYPTO_EX_unused *unused,
CRYPTO_EX_dup *dup_unused,
CRYPTO_EX_free *free_func) {
int index;
if (!CRYPTO_get_ex_new_index(&g_ex_data_class, &index, argl, argp,
free_func)) {
return -1;
}
return index;
}
int BIO_set_ex_data(BIO *bio, int idx, void *data) {
return CRYPTO_set_ex_data(&bio->ex_data, idx, data);
}
void *BIO_get_ex_data(const BIO *bio, int idx) {
return CRYPTO_get_ex_data(&bio->ex_data, idx);
}
include/openssl/bio.h
+24
View File
@@ -703,9 +703,17 @@ OPENSSL_EXPORT int BIO_meth_set_ctrl(BIO_METHOD *method,
// BIO_set_data sets custom data on |bio|. It may be retried with
// |BIO_get_data|.
//
// This function should only be called by the implementation of a custom |BIO|.
// In particular, the data pointer of a built-in |BIO| is private to the
// library. For other uses, see |BIO_set_ex_data| and |BIO_set_app_data|.
OPENSSL_EXPORT void BIO_set_data(BIO *bio, void *ptr);
// BIO_get_data returns custom data on |bio| set by |BIO_get_data|.
//
// This function should only be called by the implementation of a custom |BIO|.
// In particular, the data pointer of a built-in |BIO| is private to the
// library. For other uses, see |BIO_get_ex_data| and |BIO_get_app_data|.
OPENSSL_EXPORT void *BIO_get_data(BIO *bio);
// BIO_set_init sets whether |bio| has been fully initialized. Until fully
@@ -761,6 +769,21 @@ OPENSSL_EXPORT int BIO_get_init(BIO *bio);
#define BIO_CTRL_SET_FILENAME 30
// ex_data functions.
//
// See |ex_data.h| for details.
OPENSSL_EXPORT int BIO_get_ex_new_index(long argl, void *argp,
CRYPTO_EX_unused *unused,
CRYPTO_EX_dup *dup_unused,
CRYPTO_EX_free *free_func);
OPENSSL_EXPORT int BIO_set_ex_data(BIO *bio, int idx, void *arg);
OPENSSL_EXPORT void *BIO_get_ex_data(const BIO *bio, int idx);
#define BIO_set_app_data(bio, arg) (BIO_set_ex_data(bio, 0, (char *)(arg)))
#define BIO_get_app_data(bio) (BIO_get_ex_data(bio, 0))
// Deprecated functions.
// BIO_f_base64 returns a filter |BIO| that base64-encodes data written into
@@ -852,6 +875,7 @@ struct bio_method_st {
struct bio_st {
const BIO_METHOD *method;
CRYPTO_EX_DATA ex_data;
// init is non-zero if this |BIO| has been initialised.
int init;