handle compressed configuration

cleanup log stmts, fixed erroneous null check on return value of decode.

Signed-off-by: Mike Hansen <mike.hansen@netexperience.com>

proto.c

@@ -383,9 +383,9 @@ decomp(char *src, int len)
         uLong ucompSize = len + 1;
         uLong compSize = compressBound(ucompSize);
         char *dest = malloc(ucompSize);
+
         if (uncompress((Bytef *)dest, &ucompSize, (Bytef *)src, compSize) != Z_OK)
         {
-                printf("uncompress failed\n");
                 free(dest);
                 return NULL;
         };
@@ -433,19 +433,19 @@ decode_and_inflate(struct blob_attr **encoded_param, struct blob_attr *ret[__JSO
         char *cp64 = blobmsg_get_string(encoded_param[PARAMS_COMPRESS_64]);
         char *cp = decode_b64(cp64, compress_sz);
         if (cp == NULL) {
-                ULOG_ERR("base64 decode failed for configure message\n");
+                ULOG_ERR("base64 decode failed for message\n");
                 ret = NULL;
                 return;
         }
         char *params = decomp(cp, compress_sz);
-        if (cp == NULL) {
-                ULOG_ERR("failed to uncompress configure message\n");
+        if (params == NULL) {
+                ULOG_ERR("failed to uncompress message\n");
                 ret = NULL;
                 return;
 	}
+
         static struct blob_buf pbuf;
         blob_buf_init(&pbuf, 0);
-
         void *c;
         c = blobmsg_open_table(&pbuf, "params");
         blobmsg_add_json_from_string(&pbuf, params);