GUACAMOLE-927: Automatically set $HOME for sake of FreeRDP initialization process.
diff --git a/src/protocols/rdp/client.c b/src/protocols/rdp/client.c
index c79e59d..db98d9b 100644
--- a/src/protocols/rdp/client.c
+++ b/src/protocols/rdp/client.c
@@ -38,11 +38,45 @@
#include <guacamole/audio.h>
#include <guacamole/client.h>
+#include <errno.h>
#include <pthread.h>
+#include <pwd.h>
#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
int guac_client_init(guac_client* client, int argc, char** argv) {
+ /* Automatically set HOME environment variable if unset (FreeRDP's
+ * initialization process will fail within freerdp_settings_new() if this
+ * is unset) */
+ const char* current_home = getenv("HOME");
+ if (current_home == NULL) {
+
+ /* Warn if the correct home directory cannot be determined */
+ struct passwd* passwd = getpwuid(getuid());
+ if (passwd == NULL)
+ guac_client_log(client, GUAC_LOG_WARNING, "FreeRDP initialization "
+ "may fail: The \"HOME\" environment variable is unset and "
+ "its correct value could not be automatically determined: "
+ "%s", strerror(errno));
+
+ /* Warn if the correct home directory could be determined but can't be
+ * assigned */
+ else if (setenv("HOME", passwd->pw_dir, 1))
+ guac_client_log(client, GUAC_LOG_WARNING, "FreeRDP initialization "
+ "may fail: The \"HOME\" environment variable is unset "
+ "and its correct value (detected as \"%s\") could not be "
+ "assigned: %s", passwd->pw_dir, strerror(errno));
+
+ /* HOME has been successfully set */
+ else
+ guac_client_log(client, GUAC_LOG_DEBUG, "\"HOME\" "
+ "environment variable was unset and has been "
+ "automatically set to \"%s\"", passwd->pw_dir);
+
+ }
+
/* Set client args */
client->args = GUAC_RDP_CLIENT_ARGS;
