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From f19d964fd91a6f2b26aa70b6caa1290c3f6fdbc7 Mon Sep 17 00:00:00 2001
From: "A. Wilcox" <AWilcox@Wilcox-Tech.com>
Date: Sun, 27 Sep 2020 19:56:15 -0500
Subject: [PATCH] auth: Ensure 64-bit time_t works on 32-bit systems
On a 32-bit PowerPC Linux system using musl libc (with 64-bit time_t),
the t_auth test fails because `long` is not the same type as `time_t`.
This patch uses an int64_t temporary value, which can be truncated to
32-bit if necessary.
---
src/iperf_auth.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/src/iperf_auth.c b/src/iperf_auth.c
index eb4610f..a824deb 100644
--- a/src/iperf_auth.c
+++ b/src/iperf_auth.c
@@ -35,6 +35,8 @@
#define _WITH_GETLINE
#include <stdio.h>
#include <termios.h>
+#include <inttypes.h>
+#include <stdint.h>
#if defined(HAVE_SSL)
@@ -45,7 +47,7 @@
#include <openssl/buffer.h>
#include <openssl/err.h>
-const char *auth_text_format = "user: %s\npwd: %s\nts: %ld";
+const char *auth_text_format = "user: %s\npwd: %s\nts: %"PRId64;
void sha256(const char *string, char outputBuffer[65])
{
@@ -291,7 +293,7 @@ int encode_auth_setting(const char *username, const char *password, EVP_PKEY *pu
if (text == NULL) {
return -1;
}
- snprintf(text, text_len, auth_text_format, username, password, utc_seconds);
+ snprintf(text, text_len, auth_text_format, username, password, (int64_t)utc_seconds);
unsigned char *encrypted = NULL;
int encrypted_len;
@@ -309,7 +311,8 @@ int encode_auth_setting(const char *username, const char *password, EVP_PKEY *pu
int decode_auth_setting(int enable_debug, const char *authtoken, EVP_PKEY *private_key, char **username, char **password, time_t *ts){
unsigned char *encrypted_b64 = NULL;
size_t encrypted_len_b64;
- Base64Decode(authtoken, &encrypted_b64, &encrypted_len_b64);
+ int64_t utc_seconds;
+ Base64Decode(authtoken, &encrypted_b64, &encrypted_len_b64);
unsigned char *plaintext = NULL;
int plaintext_len;
@@ -331,7 +334,7 @@ int decode_auth_setting(int enable_debug, const char *authtoken, EVP_PKEY *priva
return -1;
}
- int rc = sscanf((char *) plaintext, auth_text_format, s_username, s_password, ts);
+ int rc = sscanf((char *) plaintext, auth_text_format, s_username, s_password, &utc_seconds);
if (rc != 3) {
free(s_password);
free(s_username);
@@ -344,6 +347,7 @@ int decode_auth_setting(int enable_debug, const char *authtoken, EVP_PKEY *priva
}
*username = s_username;
*password = s_password;
+ *ts = (time_t)utc_seconds;
OPENSSL_free(plaintext);
return (0);
}
--
2.25.4
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