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Diffstat (limited to 'data/lighttpd/lighttpd-1.4.53/src/mod_skeleton.c')
-rw-r--r--data/lighttpd/lighttpd-1.4.53/src/mod_skeleton.c183
1 files changed, 183 insertions, 0 deletions
diff --git a/data/lighttpd/lighttpd-1.4.53/src/mod_skeleton.c b/data/lighttpd/lighttpd-1.4.53/src/mod_skeleton.c
new file mode 100644
index 000000000..464f7b8de
--- /dev/null
+++ b/data/lighttpd/lighttpd-1.4.53/src/mod_skeleton.c
@@ -0,0 +1,183 @@
+#include "first.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "plugin.h"
+
+#include "base.h"
+#include "log.h"
+#include "buffer.h"
+#include "array.h"
+
+/**
+ * this is a skeleton for a lighttpd plugin
+ *
+ * just replaces every occurrence of 'skeleton' by your plugin name
+ *
+ * e.g. in vim:
+ *
+ * :%s/skeleton/myhandler/
+ *
+ */
+
+
+/* plugin config for all request/connections */
+
+typedef struct {
+ array *match;
+} plugin_config;
+
+typedef struct {
+ PLUGIN_DATA;
+ plugin_config **config_storage;
+ plugin_config conf;
+} plugin_data;
+
+
+#if 0 /* (needed if module keeps state for request) */
+
+typedef struct {
+ size_t foo;
+} handler_ctx;
+
+static handler_ctx * handler_ctx_init() {
+ handler_ctx * hctx = calloc(1, sizeof(*hctx));
+ force_assert(hctx);
+ return hctx;
+}
+
+static void handler_ctx_free(handler_ctx *hctx) {
+ free(hctx);
+}
+
+#endif
+
+
+/* init the plugin data */
+INIT_FUNC(mod_skeleton_init) {
+ return calloc(1, sizeof(plugin_data));
+}
+
+/* destroy the plugin data */
+FREE_FUNC(mod_skeleton_free) {
+ plugin_data *p = p_d;
+ UNUSED(srv);
+ if (!p) return HANDLER_GO_ON;
+ if (p->config_storage) {
+ for (size_t i = 0; i < srv->config_context->used; i++) {
+ plugin_config *s = p->config_storage[i];
+ if (NULL == s) continue;
+ array_free(s->match);
+ free(s);
+ }
+ free(p->config_storage);
+ }
+ free(p);
+ return HANDLER_GO_ON;
+}
+
+/* handle plugin config and check values */
+SETDEFAULTS_FUNC(mod_skeleton_set_defaults) {
+ plugin_data *p = p_d;
+ size_t i = 0;
+
+ config_values_t cv[] = {
+ { "skeleton.array", NULL, T_CONFIG_ARRAY, T_CONFIG_SCOPE_CONNECTION }, /* 0 */
+ { NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET }
+ };
+
+ if (!p) return HANDLER_ERROR;
+
+ p->config_storage = calloc(1, srv->config_context->used * sizeof(plugin_config *));
+ force_assert(p->config_storage);
+
+ for (i = 0; i < srv->config_context->used; i++) {
+ data_config const* config = (data_config const*)srv->config_context->data[i];
+ plugin_config *s = calloc(1, sizeof(plugin_config));
+ force_assert(s);
+ s->match = array_init();
+
+ cv[0].destination = s->match;
+
+ p->config_storage[i] = s;
+
+ if (0 != config_insert_values_global(srv, config->value, cv, i == 0 ? T_CONFIG_SCOPE_SERVER : T_CONFIG_SCOPE_CONNECTION)) {
+ return HANDLER_ERROR;
+ }
+
+ if (!array_is_vlist(s->match)) {
+ log_error_write(srv, __FILE__, __LINE__, "s",
+ "unexpected value for skeleton.array; expected list of \"urlpath\"");
+ return HANDLER_ERROR;
+ }
+ }
+
+ return HANDLER_GO_ON;
+}
+
+#define PATCH(x) \
+ p->conf.x = s->x;
+static int mod_skeleton_patch_connection(server *srv, connection *con, plugin_data *p) {
+ plugin_config *s = p->config_storage[0];
+
+ PATCH(match);
+
+ /* skip the first, the global context */
+ for (size_t i = 1; i < srv->config_context->used; ++i) {
+ data_config *dc = (data_config *)srv->config_context->data[i];
+ s = p->config_storage[i];
+
+ /* condition didn't match */
+ if (!config_check_cond(srv, con, dc)) continue;
+
+ /* merge config */
+ for (size_t j = 0; j < dc->value->used; ++j) {
+ data_unset *du = dc->value->data[j];
+
+ if (buffer_is_equal_string(du->key, CONST_STR_LEN("skeleton.array"))) {
+ PATCH(match);
+ }
+ }
+ }
+
+ return 0;
+}
+#undef PATCH
+
+URIHANDLER_FUNC(mod_skeleton_uri_handler) {
+ plugin_data *p = p_d;
+ UNUSED(srv);
+
+ /* determine whether or not module participates in request */
+
+ if (con->mode != DIRECT) return HANDLER_GO_ON;
+ if (buffer_string_is_empty(con->uri.path)) return HANDLER_GO_ON;
+
+ /* get module config for request */
+ mod_skeleton_patch_connection(srv, con, p);
+
+ if (NULL == array_match_value_suffix(p->conf.match, con->uri.path)) {
+ return HANDLER_GO_ON;
+ }
+
+ /* module participates in request; business logic here */
+
+ con->http_status = 403; /* example: reject request with 403 Forbidden */
+ return HANDLER_FINISHED;
+}
+
+/* this function is called at dlopen() time and inits the callbacks */
+int mod_skeleton_plugin_init(plugin *p);
+int mod_skeleton_plugin_init(plugin *p) {
+ p->version = LIGHTTPD_VERSION_ID;
+ p->name = buffer_init_string("skeleton");
+ p->data = NULL;
+ p->init = mod_skeleton_init;
+ p->cleanup = mod_skeleton_free;
+ p->set_defaults= mod_skeleton_set_defaults;
+
+ p->handle_uri_clean = mod_skeleton_uri_handler;
+
+ return 0;
+}