rbl filter implementation.

[apps/pfixtools.git] / postlicyd / filter.c

diff --git a/postlicyd/filter.c b/postlicyd/filter.c
index a98d29d..deb3190 100644 (file)
--- a/postlicyd/filter.c
+++ b/postlicyd/filter.c
@@ -46,6 +46,9 @@ void filter_register(const char *type, filter_constructor_t constructor,
 {
     filter_token tok = filter_tokenize(type, m_strlen(type));
     assert(tok != FTK_UNKNOWN && "Unknown filter type");
+
+    syslog(LOG_INFO, "filter type %s registered", type);
+
     runners[tok] = runner;
     constructors[tok] = constructor;
     destructors[tok] = destructor;
@@ -53,10 +56,38 @@ void filter_register(const char *type, filter_constructor_t constructor,
 
 bool filter_build(filter_t *filter)
 {
+    bool ret = true;
+    if (filter->type == FTK_UNKNOWN || filter->name == NULL) {
+        return false;
+    }
+    if (filter->hooks.len > 0) {
+#       define QSORT_TYPE filter_hook_t
+#       define QSORT_BASE filter->hooks.data
+#       define QSORT_NELT filter->hooks.len
+#       define QSORT_LT(a,b) strcmp(a->name, b->name) < 0
+#       include "qsort.c"
+    }
     filter_constructor_t constructor = constructors[filter->type];
     if (constructor) {
-        return constructor(filter);
+        ret = constructor(filter);
     }
+    array_deep_wipe(filter->params, filter_params_wipe);
+    return ret;
+}
+
+bool filter_update_references(filter_t *filter, A(filter_t) *filter_list)
+{
+    foreach (filter_hook_t *hook, filter->hooks) {
+        if (!hook->postfix) {
+            hook->filter_id = filter_find_with_name(filter_list, hook->value);
+            if (hook->filter_id == -1) {
+                syslog(LOG_ERR, "invalid filter name %s for hook %s",
+                       hook->value, hook->name);
+                return false;
+            }
+            p_delete(&hook->value);
+        }
+    }}
     return true;
 }
 
@@ -66,8 +97,8 @@ void filter_wipe(filter_t *filter)
     if (destructor) {
         destructor(filter);
     }
-    p_delete(&filter->hooks);
-    p_delete(&filter->params);
+    array_deep_wipe(filter->hooks, filter_hook_wipe);
+    array_deep_wipe(filter->params, filter_params_wipe);
     p_delete(&filter->name);
 }
 
@@ -76,12 +107,11 @@ filter_result_t filter_run(const filter_t *filter, const query_t *query)
     return runners[filter->type](filter, query);
 }
 
-bool filter_set_name(filter_t *filter, const char *name, ssize_t len)
+void filter_set_name(filter_t *filter, const char *name, ssize_t len)
 {
     filter->name = p_new(char, len + 1);
     memcpy(filter->name, name, len);
     filter->name[len] = '\0';
-    return true;
 }
 
 bool filter_set_type(filter_t *filter, const char *type, ssize_t len)
@@ -93,11 +123,21 @@ bool filter_set_type(filter_t *filter, const char *type, ssize_t len)
 bool filter_add_param(filter_t *filter, const char *name, ssize_t name_len,
                       const char *value, ssize_t value_len)
 {
+    filter_params_t param;
+    param.name = m_strdup(name);
+    param.value = m_strdup(value);
+    array_add(filter->params, param);
     return true;
 }
 
 bool filter_add_hook(filter_t *filter, const char *name, ssize_t name_len,
                      const char *value, ssize_t value_len)
 {
+    filter_hook_t hook;
+    hook.name  = m_strdup(name);
+    hook.postfix = (strncmp(value, "postfix:", 8) == 0);
+    hook.value = m_strdup(hook.postfix ? value + 8 : value);
+    hook.filter_id = -1;
+    array_add(filter->hooks, hook);
     return true;
 }