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Description: use system utsn lengths
Calculate platform length based on system constants.
Author: Laszlo Boszormenyi (GCS) <gcs@debian.org>
Author: Mattias Ellert <mattias.ellert@physics.uu.se>
Bug-Debian: https://bugs.debian.org/853509
Bug-Debian: https://bugs.debian.org/1104235
Bug: https://github.com/bji/libs3/pull/116
Last-Update: 2025-05-04
diff -ur libs3-2.0.orig/src/request.c libs3-2.0/src/request.c
--- libs3-2.0.orig/src/request.c 2011-09-28 10:16:09.000000000 +0200
+++ libs3-2.0/src/request.c 2025-05-04 17:55:25.000000000 +0200
@@ -35,7 +35,8 @@
#include "util.h"
-#define USER_AGENT_SIZE 256
+#define USER_AGENT_SIZE 126 + sizeof(((struct utsname*)0)->sysname) \
+ + sizeof(((struct utsname*)0)->machine)
#define REQUEST_STACK_SIZE 32
static char userAgentG[USER_AGENT_SIZE];
@@ -1089,8 +1090,8 @@
userAgentInfo = "Unknown";
}
- char platform[96];
struct utsname utsn;
+ char platform[sizeof(utsn.sysname) + 1 + sizeof(utsn.machine) + 1];
if (uname(&utsn)) {
strncpy(platform, "Unknown", sizeof(platform));
// Because strncpy doesn't always zero terminate
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