diff options
| -rw-r--r-- | shopify.c | 9 |
1 files changed, 7 insertions, 2 deletions
@@ -114,14 +114,17 @@ bool shopify_valid(struct MHD_Connection *conn, const char *url, if (!nparams) return false; qsort(*params, nparams, sizeof(struct shopify_param), paramcmp); + char *shop = NULL; struct shopify_param *param = bsearch(&(struct shopify_param) { "shop" }, *params, nparams, sizeof(struct shopify_param), paramcmp); - char *shop = param->val; + if (param) + shop = param->val; if (!shop || !regex_match(shop)) { clear(*params); return false; } + param = NULL; char *query = NULL; for (int i = 0; i < nparams; i++) { const char *key = (*params)[i].key; @@ -136,9 +139,11 @@ bool shopify_valid(struct MHD_Connection *conn, const char *url, last ? "" : "&"); } } + char *hmac = NULL; param = bsearch(&(struct shopify_param){ "hmac" }, *params, nparams, sizeof(struct shopify_param), paramcmp); - char *hmac = param->val; + if (param) + hmac = param->val; if (!hmac || !crypt_maccmp(secret_key, query, hmac)) { clear(*params); free(query); |