From 701d5359518f46aadc89655d38ff91e6eae4496d Mon Sep 17 00:00:00 2001
From: Torsten Marek <shlomme@debian.org>
Date: Sun, 27 Nov 2005 14:39:54 +0000
Subject: [svn-inject] Installing original source of lighttpd

---
 src/mod_skeleton.c | 210 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 210 insertions(+)
 create mode 100644 src/mod_skeleton.c

(limited to 'src/mod_skeleton.c')

diff --git a/src/mod_skeleton.c b/src/mod_skeleton.c
new file mode 100644
index 0000000..a3fa186
--- /dev/null
+++ b/src/mod_skeleton.c
@@ -0,0 +1,210 @@
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "base.h"
+#include "log.h"
+#include "buffer.h"
+
+#include "plugin.h"
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+/**
+ * this is a skeleton for a lighttpd plugin
+ * 
+ * just replaces every occurance 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;
+	
+	buffer *match_buf;
+	
+	plugin_config **config_storage;
+	
+	plugin_config conf; 
+} plugin_data;
+
+typedef struct {
+	size_t foo;
+} handler_ctx;
+
+static handler_ctx * handler_ctx_init() {
+	handler_ctx * hctx;
+	
+	hctx = calloc(1, sizeof(*hctx));
+	
+	return hctx;
+}
+
+static void handler_ctx_free(handler_ctx *hctx) {
+	
+	free(hctx);
+}
+
+/* init the plugin data */
+INIT_FUNC(mod_skeleton_init) {
+	plugin_data *p;
+	
+	p = calloc(1, sizeof(*p));
+	
+	p->match_buf = buffer_init();
+	
+	return p;
+}
+
+/* detroy 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) {
+		size_t i;
+
+		for (i = 0; i < srv->config_context->used; i++) {
+			plugin_config *s = p->config_storage[i];
+
+			if (!s) continue;
+			
+			array_free(s->match);
+			
+			free(s);
+		}
+		free(p->config_storage);
+	}
+	
+	buffer_free(p->match_buf);
+	
+	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(specific_config *));
+	
+	for (i = 0; i < srv->config_context->used; i++) {
+		plugin_config *s;
+		
+		s = calloc(1, sizeof(plugin_config));
+		s->match    = array_init();
+		
+		cv[0].destination = s->match;
+		
+		p->config_storage[i] = s;
+	
+		if (0 != config_insert_values_global(srv, ((data_config *)srv->config_context->data[i])->value, cv)) {
+			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) {
+	size_t i, j;
+	plugin_config *s = p->config_storage[0];
+	
+	PATCH(match);
+	
+	/* skip the first, the global context */
+	for (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 (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;
+	int s_len;
+	size_t k, i;
+	
+	UNUSED(srv);
+
+	if (con->uri.path->used == 0) return HANDLER_GO_ON;
+	
+	mod_skeleton_patch_connection(srv, con, p);
+
+	s_len = con->uri.path->used - 1;
+	
+	for (k = 0; k < p->conf.match->used; k++) {
+		data_string *ds = (data_string *)p->conf.match->data[k];
+		int ct_len = ds->value->used - 1;
+		
+		if (ct_len > s_len) continue;
+		if (ds->value->used == 0) continue;
+		
+		if (0 == strncmp(con->uri.path->ptr + s_len - ct_len, ds->value->ptr, ct_len)) {
+			con->http_status = 403;
+	
+			return HANDLER_FINISHED;
+		}
+	}
+	
+	/* not found */
+	return HANDLER_GO_ON;
+}
+
+/* this function is called at dlopen() time and inits the callbacks */
+
+int mod_skeleton_plugin_init(plugin *p) {
+	p->version     = LIGHTTPD_VERSION_ID;
+	p->name        = buffer_init_string("skeleton");
+	
+	p->init        = mod_skeleton_init;
+	p->handle_uri_clean  = mod_skeleton_uri_handler;
+	p->set_defaults  = mod_skeleton_set_defaults;
+	p->cleanup     = mod_skeleton_free;
+	
+	p->data        = NULL;
+	
+	return 0;
+}
-- 
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