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Revert "Add notBefore and notAfter to SSL cert info display"

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This reverts commit 6acb0a628e since
LibreSSL didn't support ASN1_TIME_diff until OpenBSD 7.1, leaving
the older OpenBSD animals in the buildfarm complaining.

Per plover in the buildfarm.

Discussion: https://postgr.es/m/F0DF7102-192D-4C21-96AE-9A01AE153AD1@yesql.se
This commit is contained in:
Daniel Gustafsson
2024-03-22 22:58:41 +01:00
parent 473182c952
commit 697f8d266c
19 changed files with 34 additions and 308 deletions
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78
src/backend/libpq/be-secure-openssl.c
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@@ -27,7 +27,6 @@
#include <netinet/tcp.h>
#include <arpa/inet.h>
#include "common/int.h"
#include "common/string.h"
#include "libpq/libpq.h"
#include "miscadmin.h"
@@ -37,7 +36,6 @@
#include "tcop/tcopprot.h"
#include "utils/builtins.h"
#include "utils/memutils.h"
#include "utils/timestamp.h"
/*
* These SSL-related #includes must come after all system-provided headers.
@@ -74,7 +72,6 @@ static bool initialize_ecdh(SSL_CTX *context, bool isServerStart);
static const char *SSLerrmessage(unsigned long ecode);
static char *X509_NAME_to_cstring(X509_NAME *name);
static TimestampTz ASN1_TIME_to_timestamptz(ASN1_TIME *time);
static SSL_CTX *SSL_context = NULL;
static bool SSL_initialized = false;
@@ -1433,24 +1430,6 @@ be_tls_get_peer_issuer_name(Port *port, char *ptr, size_t len)
ptr[0] = '\0';
}
void
be_tls_get_peer_not_before(Port *port, TimestampTz *ptr)
{
if (port->peer)
*ptr = ASN1_TIME_to_timestamptz(X509_get_notBefore(port->peer));
else
*ptr = 0;
}
void
be_tls_get_peer_not_after(Port *port, TimestampTz *ptr)
{
if (port->peer)
*ptr = ASN1_TIME_to_timestamptz(X509_get_notAfter(port->peer));
else
*ptr = 0;
}
void
be_tls_get_peer_serial(Port *port, char *ptr, size_t len)
{
@@ -1594,63 +1573,6 @@ X509_NAME_to_cstring(X509_NAME *name)
return result;
}
/*
* Convert an ASN1_TIME to a Timestamptz. OpenSSL 1.0.2 doesn't expose a function
* to convert an ASN1_TIME to a tm struct, it's only available in 1.1.1 and
* onwards. Instead we can ask for the difference between the ASN1_TIME and a
* known timestamp and get the actual timestamp that way. Until support for
* OpenSSL 1.0.2 is retired we have to do it this way.
*/
static TimestampTz
ASN1_TIME_to_timestamptz(ASN1_TIME *ASN1_cert_ts)
{
int days;
int seconds;
const char postgres_epoch[] = "20000101000000Z";
ASN1_TIME *ASN1_epoch;
int64 result_days;
int64 result_seconds;
int64 result;
/* Create an epoch to compare against */
ASN1_epoch = ASN1_TIME_new();
if (!ASN1_epoch)
ereport(ERROR,
(errcode(ERRCODE_OUT_OF_MEMORY),
errmsg("could not allocate memory for ASN1 TIME structure")));
/*
* Calculate the diff from the epoch to the certificate timestamp.
* POSTGRES_EPOCH_JDATE cannot be used here since OpenSSL needs an epoch
* in the ASN.1 format.
*/
if (!ASN1_TIME_set_string(ASN1_epoch, postgres_epoch) ||
!ASN1_TIME_diff(&days, &seconds, ASN1_epoch, ASN1_cert_ts))
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("failed to read certificate validity")));
/*
* Unlike when freeing other OpenSSL memory structures, there is no error
* return on freeing ASN1 strings.
*/
ASN1_TIME_free(ASN1_epoch);
/*
* Convert the reported date into usecs to be used as a TimestampTz. The
* date should really not overflow an int64 but rather than trusting the
* certificate we take overflow into consideration.
*/
if (pg_mul_s64_overflow(days, USECS_PER_DAY, &result_days) ||
pg_mul_s64_overflow(seconds, USECS_PER_SEC, &result_seconds) ||
pg_add_s64_overflow(result_seconds, result_days, &result))
{
return 0;
}
return result;
}
/*
* Convert TLS protocol version GUC enum to OpenSSL values
*