moved everything below trunk/ and added branches/ and tags/

git-svn-id: svn://svn.lighttpd.net/lighttpd/trunk@30 152afb58-edef-0310-8abb-c4023f1b3aa9

1 files changed, 177 insertions, 0 deletions

diff --git a/src/mod_access.c b/src/mod_access.c
new file mode 100644
index 00000000..b2c81cfb
--- /dev/null
+++ b/src/mod_access.c
@@ -0,0 +1,177 @@
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "base.h"
+#include "log.h"
+#include "buffer.h"
+
+#include "plugin.h"
+
+#include "config.h"
+
+typedef struct {
+	array *access_deny;
+} plugin_config;
+
+typedef struct {
+	PLUGIN_DATA;
+	
+	plugin_config **config_storage;
+	
+	plugin_config conf; 
+} plugin_data;
+
+INIT_FUNC(mod_access_init) {
+	plugin_data *p;
+	
+	p = calloc(1, sizeof(*p));
+	
+	return p;
+}
+
+FREE_FUNC(mod_access_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];
+			
+			array_free(s->access_deny);
+			
+			free(s);
+		}
+		free(p->config_storage);
+	}
+	
+	free(p);
+	
+	return HANDLER_GO_ON;
+}
+
+SETDEFAULTS_FUNC(mod_access_set_defaults) {
+	plugin_data *p = p_d;
+	size_t i = 0;
+	
+	config_values_t cv[] = { 
+		{ "url.access-deny",             NULL, T_CONFIG_ARRAY, T_CONFIG_SCOPE_CONNECTION },
+		{ NULL,                          NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET }
+	};
+	
+	p->config_storage = malloc(srv->config_context->used * sizeof(specific_config *));
+	
+	for (i = 0; i < srv->config_context->used; i++) {
+		plugin_config *s;
+		
+		s = malloc(sizeof(plugin_config));
+		s->access_deny    = array_init();
+		
+		cv[0].destination = s->access_deny;
+		
+		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_access_patch_connection(server *srv, connection *con, plugin_data *p, const char *stage, size_t stage_len) {
+	size_t i, j;
+	
+	/* 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];
+		plugin_config *s = p->config_storage[i];
+		
+		/* not our stage */
+		if (!buffer_is_equal_string(dc->comp_key, stage, stage_len)) continue;
+		
+		/* 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("url.access-deny"))) {
+				PATCH(access_deny);
+			}
+		}
+	}
+	
+	return 0;
+}
+
+static int mod_access_setup_connection(server *srv, connection *con, plugin_data *p) {
+	plugin_config *s = p->config_storage[0];
+	
+	UNUSED(srv);
+	UNUSED(con);
+		
+	PATCH(access_deny);
+	
+	return 0;
+}
+#undef PATCH
+
+URIHANDLER_FUNC(mod_access_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_access_setup_connection(srv, con, p);
+	for (i = 0; i < srv->config_patches->used; i++) {
+		buffer *patch = srv->config_patches->ptr[i];
+		
+		mod_access_patch_connection(srv, con, p, CONST_BUF_LEN(patch));
+	}
+	
+	s_len = con->uri.path->used - 1;
+	
+	for (k = 0; k < p->conf.access_deny->used; k++) {
+		data_string *ds = (data_string *)p->conf.access_deny->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;
+}
+
+
+int mod_access_plugin_init(plugin *p) {
+	p->version     = LIGHTTPD_VERSION_ID;
+	p->name        = buffer_init_string("access");
+	
+	p->init        = mod_access_init;
+	p->set_defaults = mod_access_set_defaults;
+	p->handle_uri_clean  = mod_access_uri_handler;
+	p->cleanup     = mod_access_free;
+	
+	p->data        = NULL;
+	
+	return 0;
+}