netapi: Fix Bug #5545 (libnetapi_init without $USER)

Based on patch from Erik van Pienbroek.

Guenther
(This used to be commit 71f4cf773022525ba617f09c495dbff97f8eb2d5)

diff --git a/source3/lib/netapi/netapi.c b/source3/lib/netapi/netapi.c
index 944c2c9304afee6fa93f928ce50d720c3cb355ac..cf1be00849865c21daecf53ae79e7e6c3ec4ac2e 100644 (file)
--- a/source3/lib/netapi/netapi.c
+++ b/source3/lib/netapi/netapi.c
@@ -85,10 +85,14 @@ NET_API_STATUS libnetapi_init(struct libnetapi_ctx **context)
                setenv(KRB5_ENV_CCNAME, ctx->krb5_cc_env, 1);
        }
 
-       ctx->username = talloc_strdup(frame, getenv("USER"));
+       if (getenv("USER")) {
+               ctx->username = talloc_strdup(frame, getenv("USER"));
+       } else {
+               ctx->username = talloc_strdup(frame, "");
+       }
        if (!ctx->username) {
                TALLOC_FREE(frame);
-               fprintf(stderr, "out of memory\n");
+               fprintf(stderr, "libnetapi_init: out of memory\n");
                return W_ERROR_V(WERR_NOMEM);
        }