diff options
Diffstat (limited to 'src/lib/exchange_api_refresh_link.c')
| -rw-r--r-- | src/lib/exchange_api_refresh_link.c | 34 |
1 files changed, 19 insertions, 15 deletions
diff --git a/src/lib/exchange_api_refresh_link.c b/src/lib/exchange_api_refresh_link.c index 6a747d1b6..4b4b38ba1 100644 --- a/src/lib/exchange_api_refresh_link.c +++ b/src/lib/exchange_api_refresh_link.c @@ -1,6 +1,6 @@ /* This file is part of TALER - Copyright (C) 2015, 2016, 2019 Taler Systems SA + Copyright (C) 2015-2020 Taler Systems SA TALER is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software @@ -423,8 +423,7 @@ TALER_EXCHANGE_refresh_link (struct TALER_EXCHANGE_Handle *exchange, CURL *eh; struct GNUNET_CURL_Context *ctx; struct TALER_CoinSpendPublicKeyP coin_pub; - char *pub_str; - char *arg_str; + char arg_str[sizeof (struct TALER_CoinSpendPublicKeyP) * 2 + 32]; if (GNUNET_YES != TEAH_handle_is_ready (exchange)) @@ -435,23 +434,28 @@ TALER_EXCHANGE_refresh_link (struct TALER_EXCHANGE_Handle *exchange, GNUNET_CRYPTO_eddsa_key_get_public (&coin_priv->eddsa_priv, &coin_pub.eddsa_pub); - pub_str = GNUNET_STRINGS_data_to_string_alloc (&coin_pub, - sizeof (struct - TALER_CoinSpendPublicKeyP)); - GNUNET_asprintf (&arg_str, - "/refresh/link?coin_pub=%s", - pub_str); - GNUNET_free (pub_str); - + { + char pub_str[sizeof (struct TALER_CoinSpendPublicKeyP) * 2]; + char *end; + + end = GNUNET_STRINGS_data_to_string (&coin_pub, + sizeof (struct + TALER_CoinSpendPublicKeyP), + pub_str, + sizeof (pub_str)); + *end = '\0'; + GNUNET_snprintf (arg_str, + sizeof (arg_str), + "/coins/%s/link", + pub_str); + } rlh = GNUNET_new (struct TALER_EXCHANGE_RefreshLinkHandle); rlh->exchange = exchange; rlh->link_cb = link_cb; rlh->link_cb_cls = link_cb_cls; rlh->coin_priv = *coin_priv; - rlh->url = TEAH_path_to_url (exchange, arg_str); - GNUNET_free (arg_str); - - + rlh->url = TEAH_path_to_url (exchange, + arg_str); eh = TEL_curl_easy_get (rlh->url); ctx = TEAH_handle_to_context (exchange); rlh->job = GNUNET_CURL_job_add (ctx, |