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-rw-r--r--apt-pkg/contrib/proxy.cc6
1 files changed, 5 insertions, 1 deletions
diff --git a/apt-pkg/contrib/proxy.cc b/apt-pkg/contrib/proxy.cc
index 1b7a92c68..a26ab4fbc 100644
--- a/apt-pkg/contrib/proxy.cc
+++ b/apt-pkg/contrib/proxy.cc
@@ -13,7 +13,8 @@
#include<apt-pkg/strutl.h>
#include<iostream>
-#include <unistd.h>
+#include<fcntl.h>
+#include<unistd.h>
#include "proxy.h"
/*}}}*/
@@ -41,6 +42,9 @@ bool AutoDetectProxy(URI &URL)
if (Debug)
std::clog << "Using auto proxy detect command: " << AutoDetectProxyCmd << std::endl;
+ if (faccessat(AT_FDCWD, AutoDetectProxyCmd.c_str(), R_OK | X_OK, AT_EACCESS) != 0)
+ return _error->Errno("access", "ProxyAutoDetect command '%s' can not be executed!", AutoDetectProxyCmd.c_str());
+
std::string const urlstring = URL;
std::vector<const char *> Args;
Args.push_back(AutoDetectProxyCmd.c_str());