csd: Export some useful environment variables

CSD_HOSTNAME is a known-valid hostname on which (hopefully) our script
won't have to perform too much input validation to know it's safe.

CSD_TOKEN is passed in as the "sdesktop" cookie from host scan.

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>

diff --git a/http.c b/http.c
index 1c59a73..d3eca46 100644 (file)
--- a/http.c
+++ b/http.c
@@ -603,6 +603,11 @@ static int run_csd_script(struct openconnect_info *vpninfo, char *buf, int bufle
                csd_argv[i++]= (char *)"-langselen";
                csd_argv[i++] = NULL;
 
+               if (setenv("CSD_TOKEN", vpninfo->csd_token, 1))
+                       goto out;
+               if (setenv("CSD_HOSTNAME", vpninfo->hostname, 1))
+                       goto out;
+
                execv(csd_argv[0], csd_argv);
 
 out: