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#include "first.h" |
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#include "base.h" |
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#include "log.h" |
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#include "buffer.h" |
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#include <stdlib.h> |
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#include <string.h> |
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#include "plugin.h" |
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#include <stdlib.h> |
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#include <string.h> |
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#include "base.h" |
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#include "log.h" |
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#include "buffer.h" |
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#include "array.h" |
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/**
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* this is a skeleton for a lighttpd plugin |
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@ -21,7 +22,6 @@
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*/ |
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/* plugin config for all request/connections */ |
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typedef struct { |
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@ -30,76 +30,54 @@ typedef struct {
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typedef struct { |
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PLUGIN_DATA; |
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buffer *match_buf; |
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plugin_config **config_storage; |
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plugin_config conf; |
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} plugin_data; |
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#if 0 /* (needed if module keeps state for request) */
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typedef struct { |
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size_t foo; |
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} handler_ctx; |
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static handler_ctx * handler_ctx_init() { |
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handler_ctx * hctx; |
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hctx = calloc(1, sizeof(*hctx)); |
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handler_ctx * hctx = calloc(1, sizeof(*hctx)); |
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force_assert(hctx); |
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return hctx; |
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} |
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static void handler_ctx_free(handler_ctx *hctx) { |
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free(hctx); |
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} |
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/* init the plugin data */ |
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INIT_FUNC(mod_skeleton_init) { |
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plugin_data *p; |
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p = calloc(1, sizeof(*p)); |
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force_assert(p); |
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#endif |
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p->match_buf = buffer_init(); |
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return p; |
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/* init the plugin data */ |
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INIT_FUNC(mod_skeleton_init) { |
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return calloc(1, sizeof(plugin_data)); |
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} |
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/* destroy the plugin data */ |
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FREE_FUNC(mod_skeleton_free) { |
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plugin_data *p = p_d; |
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UNUSED(srv); |
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if (!p) return HANDLER_GO_ON; |
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if (p->config_storage) { |
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size_t i; |
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for (i = 0; i < srv->config_context->used; i++) { |
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for (size_t i = 0; i < srv->config_context->used; i++) { |
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plugin_config *s = p->config_storage[i]; |
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if (NULL == s) continue; |
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array_free(s->match); |
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free(s); |
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} |
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free(p->config_storage); |
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} |
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buffer_free(p->match_buf); |
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free(p); |
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return HANDLER_GO_ON; |
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} |
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/* handle plugin config and check values */ |
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SETDEFAULTS_FUNC(mod_skeleton_set_defaults) { |
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plugin_data *p = p_d; |
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size_t i = 0; |
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@ -141,13 +119,12 @@ SETDEFAULTS_FUNC(mod_skeleton_set_defaults) {
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#define PATCH(x) \ |
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p->conf.x = s->x; |
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static int mod_skeleton_patch_connection(server *srv, connection *con, plugin_data *p) { |
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size_t i, j; |
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plugin_config *s = p->config_storage[0]; |
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PATCH(match); |
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/* skip the first, the global context */ |
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for (i = 1; i < srv->config_context->used; i++) { |
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for (size_t i = 1; i < srv->config_context->used; ++i) { |
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data_config *dc = (data_config *)srv->config_context->data[i]; |
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s = p->config_storage[i]; |
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@ -155,7 +132,7 @@ static int mod_skeleton_patch_connection(server *srv, connection *con, plugin_da
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if (!config_check_cond(srv, con, dc)) continue; |
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/* merge config */ |
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for (j = 0; j < dc->value->used; j++) { |
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for (size_t j = 0; j < dc->value->used; ++j) { |
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data_unset *du = dc->value->data[j]; |
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if (buffer_is_equal_string(du->key, CONST_STR_LEN("skeleton.array"))) { |
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@ -170,48 +147,37 @@ static int mod_skeleton_patch_connection(server *srv, connection *con, plugin_da
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URIHANDLER_FUNC(mod_skeleton_uri_handler) { |
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plugin_data *p = p_d; |
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size_t s_len; |
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size_t k; |
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UNUSED(srv); |
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if (con->mode != DIRECT) return HANDLER_GO_ON; |
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/* determine whether or not module participates in request */ |
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s_len = buffer_string_length(con->uri.path); |
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if (0 == s_len) return HANDLER_GO_ON; |
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if (con->mode != DIRECT) return HANDLER_GO_ON; |
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if (buffer_string_is_empty(con->uri.path)) return HANDLER_GO_ON; |
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/* get module config for request */ |
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mod_skeleton_patch_connection(srv, con, p); |
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for (k = 0; k < p->conf.match->used; k++) { |
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data_string *ds = (data_string *)p->conf.match->data[k]; |
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size_t ct_len = buffer_string_length(ds->value); |
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if (ct_len > s_len) continue; |
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if (ct_len == 0) continue; |
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if (0 == strncmp(con->uri.path->ptr + s_len - ct_len, ds->value->ptr, ct_len)) { |
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con->http_status = 403; |
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return HANDLER_FINISHED; |
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} |
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if (NULL == array_match_value_suffix(p->conf.match, con->uri.path)) { |
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return HANDLER_GO_ON; |
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} |
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/* not found */ |
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return HANDLER_GO_ON; |
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/* module participates in request; business logic here */ |
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con->http_status = 403; /* example: reject request with 403 Forbidden */ |
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return HANDLER_FINISHED; |
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} |
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/* this function is called at dlopen() time and inits the callbacks */ |
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int mod_skeleton_plugin_init(plugin *p); |
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int mod_skeleton_plugin_init(plugin *p) { |
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p->version = LIGHTTPD_VERSION_ID; |
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p->name = buffer_init_string("skeleton"); |
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p->data = NULL; |
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p->init = mod_skeleton_init; |
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p->handle_uri_clean = mod_skeleton_uri_handler; |
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p->set_defaults = mod_skeleton_set_defaults; |
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p->cleanup = mod_skeleton_free; |
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p->set_defaults= mod_skeleton_set_defaults; |
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p->data = NULL; |
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p->handle_uri_clean = mod_skeleton_uri_handler; |
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return 0; |
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} |
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