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qrexec: dup old stdin/out fds, pass the dup-ed fds in SAVED_FD_%d env var

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This commit is contained in:
Rafal Wojtczuk 2011-07-05 20:01:28 +02:00
parent ecf200dca3
commit 5b78e8f983
1 changed files with 4 additions and 1 deletions
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5
qrexec/qrexec_client_vm.c
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@ -18,7 +18,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#define _GNU_SOURCE
#include <sys/socket.h>
#include <sys/un.h>
#include <stdio.h>
@ -81,6 +81,9 @@ int main(int argc, char **argv)
local_fd[i] = connect_unix_socket();
read(local_fd[i], &remote_fd[i], sizeof(remote_fd[i]));
if (i != 2 || getenv("PASS_LOCAL_STDERR")) {
char * env;
asprintf(&env, "SAVED_FD_%d=%d", i, dup(i));
putenv(env);
dup2(local_fd[i], i);
close(local_fd[i]);
}