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Add SSLKEYFILE support direct on OpenSSL
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Description: Add SSLKEYFILE support direct on OpenSSL | |
Author: Jorge Rocha Gualtieri <jorge@jrg.com.br> | |
Last-Update: 2022-08-17 | |
--- a/ssl/ssl_lib.c | |
+++ b/ssl/ssl_lib.c | |
@@ -9,7 +9,9 @@ | |
* https://www.openssl.org/source/license.html | |
*/ | |
+#include <fcntl.h> | |
#include <stdio.h> | |
+#include <unistd.h> | |
#include "ssl_local.h" | |
#include <openssl/objects.h> | |
#include <openssl/x509v3.h> | |
@@ -5213,6 +5215,24 @@ SSL_CTX_keylog_cb_func SSL_CTX_get_keylo | |
return ctx->keylog_callback; | |
} | |
+static void builtin_keylog(const SSL *ssl, const char *line) | |
+{ | |
+ static int fd = 0; | |
+ | |
+ if (fd == 0) | |
+ { | |
+ char* sslkeylogfile = getenv("SSLKEYLOGFILE"); | |
+ if (!sslkeylogfile) sslkeylogfile = "/tmp/sslkeylogfile.log"; | |
+ fd = open(sslkeylogfile, O_CREAT | O_WRONLY | O_APPEND, S_IRUSR | S_IWUSR); | |
+ } | |
+ if (fd <= 0) return; | |
+ | |
+ write(fd, line, strlen(line)); | |
+ write(fd, "\n", 1); | |
+ fsync(fd); | |
+} | |
+ | |
static int nss_keylog_int(const char *prefix, | |
SSL *ssl, | |
const uint8_t *parameter_1, | |
@@ -5226,9 +5246,6 @@ static int nss_keylog_int(const char *pr | |
size_t i; | |
size_t prefix_len; | |
- if (ssl->ctx->keylog_callback == NULL) | |
- return 1; | |
- | |
/* | |
* Our output buffer will contain the following strings, rendered with | |
* space characters in between, terminated by a NULL character: first the | |
@@ -5261,7 +5278,10 @@ static int nss_keylog_int(const char *pr | |
} | |
*cursor = '\0'; | |
- ssl->ctx->keylog_callback(ssl, (const char *)out); | |
+ builtin_keylog(ssl, (const char *)out); | |
+ | |
+ if (ssl->ctx->keylog_callback != NULL) ssl->ctx->keylog_callback(ssl, (const char *)out); | |
+ | |
OPENSSL_clear_free(out, out_len); | |
return 1; | |
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