Minor style cleanup in ssl_txt.c

Wrap long lines and fix a bug where the wrong struct member was checked
for NULL.

ok jsing

1 files changed, 41 insertions, 23 deletions

diff --git a/lib/libssl/ssl_txt.c b/lib/libssl/ssl_txt.c
index 72ce1a0bce4..09685436198 100644
--- a/lib/libssl/ssl_txt.c
+++ b/lib/libssl/ssl_txt.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssl_txt.c,v 1.31 2021/11/29 18:36:27 tb Exp $ */
+/* $OpenBSD: ssl_txt.c,v 1.32 2022/06/06 15:20:54 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -96,92 +96,110 @@ SSL_SESSION_print_fp(FILE *fp, const SSL_SESSION *x)
 
 	if ((b = BIO_new(BIO_s_file())) == NULL) {
 		SSLerrorx(ERR_R_BUF_LIB);
-		return (0);
+		return 0;
 	}
 	BIO_set_fp(b, fp, BIO_NOCLOSE);
 	ret = SSL_SESSION_print(b, x);
 	BIO_free(b);
-	return (ret);
+	return ret;
 }
 
 int
 SSL_SESSION_print(BIO *bp, const SSL_SESSION *x)
 {
 	unsigned int i;
-	const char *s;
+	int ret = 0;
 
 	if (x == NULL)
 		goto err;
+
 	if (BIO_puts(bp, "SSL-Session:\n") <= 0)
 		goto err;
 
-	s = ssl_version_string(x->ssl_version);
-	if (BIO_printf(bp, "    Protocol  : %s\n", s) <= 0)
+	if (BIO_printf(bp, "    Protocol  : %s\n",
+	    ssl_version_string(x->ssl_version)) <= 0)
 		goto err;
 
 	if (x->cipher == NULL) {
-		if (((x->cipher_id) & 0xff000000) == 0x02000000) {
-			if (BIO_printf(bp, "    Cipher    : %06lX\n", x->cipher_id&0xffffff) <= 0)
+		if ((x->cipher_id & 0xff000000) == 0x02000000) {
+			if (BIO_printf(bp, "    Cipher    : %06lX\n",
+			    x->cipher_id & 0xffffff) <= 0)
 				goto err;
 		} else {
-			if (BIO_printf(bp, "    Cipher    : %04lX\n", x->cipher_id&0xffff) <= 0)
+			if (BIO_printf(bp, "    Cipher    : %04lX\n",
+			    x->cipher_id & 0xffff) <= 0)
 				goto err;
 		}
 	} else {
-		if (BIO_printf(bp, "    Cipher    : %s\n",((x->cipher == NULL)?"unknown":x->cipher->name)) <= 0)
+		const char *cipher_name = "unknown";
+
+		if (x->cipher->name != NULL)
+			cipher_name = x->cipher->name;
+
+		if (BIO_printf(bp, "    Cipher    : %s\n", cipher_name) <= 0)
 			goto err;
 	}
+
 	if (BIO_puts(bp, "    Session-ID: ") <= 0)
 		goto err;
+
 	for (i = 0; i < x->session_id_length; i++) {
 		if (BIO_printf(bp, "%02X", x->session_id[i]) <= 0)
 			goto err;
 	}
+
 	if (BIO_puts(bp, "\n    Session-ID-ctx: ") <= 0)
 		goto err;
+
 	for (i = 0; i < x->sid_ctx_length; i++) {
 		if (BIO_printf(bp, "%02X", x->sid_ctx[i]) <= 0)
 			goto err;
 	}
+
 	if (BIO_puts(bp, "\n    Master-Key: ") <= 0)
 		goto err;
+
 	for (i = 0; i < (unsigned int)x->master_key_length; i++) {
 		if (BIO_printf(bp, "%02X", x->master_key[i]) <= 0)
 			goto err;
 	}
-	if (x->tlsext_tick_lifetime_hint) {
+
+	if (x->tlsext_tick_lifetime_hint > 0) {
 		if (BIO_printf(bp,
 		    "\n    TLS session ticket lifetime hint: %u (seconds)",
 		    x->tlsext_tick_lifetime_hint) <= 0)
 			goto err;
 	}
-	if (x->tlsext_tick) {
+
+	if (x->tlsext_tick != NULL) {
 		if (BIO_puts(bp, "\n    TLS session ticket:\n") <= 0)
 			goto err;
-		if (BIO_dump_indent(bp, (char *)x->tlsext_tick, x->tlsext_ticklen, 4) <= 0)
+		if (BIO_dump_indent(bp, x->tlsext_tick, x->tlsext_ticklen,
+		    4) <= 0)
 			goto err;
 	}
 
 	if (x->time != 0) {
-		if (BIO_printf(bp, "\n    Start Time: %lld", (long long)x->time) <= 0)
+		if (BIO_printf(bp, "\n    Start Time: %lld",
+		    (long long)x->time) <= 0)
 			goto err;
 	}
-	if (x->timeout != 0L) {
-		if (BIO_printf(bp, "\n    Timeout   : %ld (sec)", x->timeout) <= 0)
+
+	if (x->timeout != 0) {
+		if (BIO_printf(bp, "\n    Timeout   : %ld (sec)",
+		    x->timeout) <= 0)
 			goto err;
 	}
-	if (BIO_puts(bp, "\n") <= 0)
-		goto err;
 
-	if (BIO_puts(bp, "    Verify return code: ") <= 0)
+	if (BIO_puts(bp, "\n") <= 0)
 		goto err;
 
-	if (BIO_printf(bp, "%ld (%s)\n", x->verify_result,
+	if (BIO_printf(bp, "    Verify return code: %ld (%s)\n",
+	    x->verify_result,
 	    X509_verify_cert_error_string(x->verify_result)) <= 0)
 		goto err;
 
-	return (1);
+	ret = 1;
  err:
-	return (0);
+	return ret;
 }
-