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-rw-r--r--src/mod_rewrite.c337
1 files changed, 0 insertions, 337 deletions
diff --git a/src/mod_rewrite.c b/src/mod_rewrite.c
deleted file mode 100644
index 94609300..00000000
--- a/src/mod_rewrite.c
+++ /dev/null
@@ -1,337 +0,0 @@
-#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
-
-typedef struct {
- pcre_keyvalue_buffer *rewrite;
- buffer *once;
- data_config *context; /* to which apply me */
-} plugin_config;
-
-typedef struct {
- enum { REWRITE_STATE_UNSET, REWRITE_STATE_FINISHED} state;
- int loops;
-} handler_ctx;
-
-typedef struct {
- PLUGIN_DATA;
- buffer *match_buf;
-
- plugin_config **config_storage;
-
- plugin_config conf;
-} plugin_data;
-
-static handler_ctx * handler_ctx_init() {
- handler_ctx * hctx;
-
- hctx = calloc(1, sizeof(*hctx));
-
- hctx->state = REWRITE_STATE_UNSET;
- hctx->loops = 0;
-
- return hctx;
-}
-
-static void handler_ctx_free(handler_ctx *hctx) {
- free(hctx);
-}
-
-
-INIT_FUNC(mod_rewrite_init) {
- plugin_data *p;
-
- UNUSED(srv);
-
- p = calloc(1, sizeof(*p));
-
- p->match_buf = buffer_init();
-
- return p;
-}
-
-FREE_FUNC(mod_rewrite_free) {
- plugin_data *p = p_d;
-
- UNUSED(srv);
-
- if (!p) return HANDLER_GO_ON;
-
- buffer_free(p->match_buf);
- 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;
-
- pcre_keyvalue_buffer_free(s->rewrite);
- buffer_free(s->once);
-
- free(s);
- }
- free(p->config_storage);
- }
-
- free(p);
-
- return HANDLER_GO_ON;
-}
-
-static handler_t parse_config_entry(server *UNUSED_PARAM(srv), plugin_config *s, array *ca, const char *option, size_t option_len, int once) {
- data_unset *du;
-
- if (NULL != (du = array_get_element(ca, option, option_len))) {
- data_array *da = (data_array *)du;
- size_t j;
-
- if (du->type != TYPE_ARRAY) {
- ERROR("unexpected type (%d) for key %s, expected 'array of strings'",
- du->type, option);
-
- return HANDLER_ERROR;
- }
-
- da = (data_array *)du;
-
- for (j = 0; j < da->value->used; j++) {
- if (da->value->data[j]->type != TYPE_STRING) {
- ERROR("unexpected type (%d) for value of %s[%s], expected 'string'",
- da->value->data[j]->type, option,
- SAFE_BUF_STR(da->value->data[j]->key));
-
- return HANDLER_ERROR;
- }
-
- if (0 != pcre_keyvalue_buffer_append(s->rewrite,
- ((data_string *)(da->value->data[j]))->key->ptr,
- ((data_string *)(da->value->data[j]))->value->ptr)) {
-#ifdef HAVE_PCRE_H
- ERROR("pcre-compile failed for: %s", SAFE_BUF_STR(da->value->data[j]->key));
-#else
- ERROR("pcre support is missing, please install libpcre and the headers%s", "");
-#endif
- }
-
- if (once) {
- buffer_append_string_len(s->once, CONST_STR_LEN("1"));
- } else {
- buffer_append_string_len(s->once, CONST_STR_LEN("0"));
- }
- }
- }
-
- return HANDLER_GO_ON;
-}
-
-SETDEFAULTS_FUNC(mod_rewrite_set_defaults) {
- plugin_data *p = p_d;
- size_t i = 0;
-
- config_values_t cv[] = {
- { "url.rewrite-repeat", NULL, T_CONFIG_LOCAL, T_CONFIG_SCOPE_CONNECTION }, /* 0 */
- { "url.rewrite-once", NULL, T_CONFIG_LOCAL, T_CONFIG_SCOPE_CONNECTION }, /* 1 */
-
- /* old names, still supported
- *
- * url.rewrite remapped to url.rewrite-once
- * url.rewrite-final is url.rewrite-once
- *
- */
- { "url.rewrite", NULL, T_CONFIG_LOCAL, T_CONFIG_SCOPE_CONNECTION }, /* 2 */
- { "url.rewrite-final", NULL, T_CONFIG_LOCAL, T_CONFIG_SCOPE_CONNECTION }, /* 3 */
- { NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET }
- };
-
- if (!p) return HANDLER_ERROR;
-
- /* 0 */
- p->config_storage = calloc(1, srv->config_context->used * sizeof(specific_config *));
-
- for (i = 0; i < srv->config_context->used; i++) {
- plugin_config *s;
- array *ca;
-
- s = calloc(1, sizeof(plugin_config));
- s->rewrite = pcre_keyvalue_buffer_init();
- s->once = buffer_init();
-
- p->config_storage[i] = s;
- ca = ((data_config *)srv->config_context->data[i])->value;
-
- if (0 != config_insert_values_global(srv, ca, cv)) {
- return HANDLER_ERROR;
- }
-
- if (HANDLER_GO_ON != parse_config_entry(srv, s, ca, CONST_STR_LEN("url.rewrite-once"), 1)) return HANDLER_ERROR;
- if (HANDLER_GO_ON != parse_config_entry(srv, s, ca, CONST_STR_LEN("url.rewrite-final"), 1)) return HANDLER_ERROR;
- if (HANDLER_GO_ON != parse_config_entry(srv, s, ca, CONST_STR_LEN("url.rewrite"), 1)) return HANDLER_ERROR;
- if (HANDLER_GO_ON != parse_config_entry(srv, s, ca, CONST_STR_LEN("url.rewrite-repeat"), 0)) return HANDLER_ERROR;
- }
-
- return HANDLER_GO_ON;
-}
-#ifdef HAVE_PCRE_H
-static int mod_rewrite_patch_connection(server *srv, connection *con, plugin_data *p) {
- size_t i, j;
- plugin_config *s = p->config_storage[0];
- p->conf.rewrite = s->rewrite;
- p->conf.once = s->once;
-
- /* 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];
-
- if (COMP_HTTP_URL == dc->comp) 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.rewrite"))) {
- p->conf.rewrite = s->rewrite;
- p->conf.once = s->once;
- p->conf.context = dc;
- } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("url.rewrite-once"))) {
- p->conf.rewrite = s->rewrite;
- p->conf.once = s->once;
- p->conf.context = dc;
- } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("url.rewrite-repeat"))) {
- p->conf.rewrite = s->rewrite;
- p->conf.once = s->once;
- p->conf.context = dc;
- } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("url.rewrite-final"))) {
- p->conf.rewrite = s->rewrite;
- p->conf.once = s->once;
- p->conf.context = dc;
- }
- }
- }
-
- return 0;
-}
-#endif
-URIHANDLER_FUNC(mod_rewrite_con_reset) {
- plugin_data *p = p_d;
-
- UNUSED(srv);
-
- if (con->plugin_ctx[p->id]) {
- handler_ctx_free(con->plugin_ctx[p->id]);
- con->plugin_ctx[p->id] = NULL;
- }
-
- return HANDLER_GO_ON;
-}
-
-URIHANDLER_FUNC(mod_rewrite_uri_handler) {
-#ifdef HAVE_PCRE_H
- plugin_data *p = p_d;
- int i;
- handler_ctx *hctx = NULL;
-
- /*
- * REWRITE URL
- *
- * e.g. rewrite /base/ to /index.php?section=base
- *
- */
-
- if (con->plugin_ctx[p->id]) {
- hctx = con->plugin_ctx[p->id];
-
- if (hctx->loops++ > 100) {
- ERROR("ENDLESS LOOP IN rewrite-rule DETECTED ... aborting request after %d loops at %s",
- hctx->loops, SAFE_BUF_STR(con->request.uri));
-
- con->http_status = 500;
-
- return HANDLER_FINISHED;
- }
-
- if (hctx->state == REWRITE_STATE_FINISHED) return HANDLER_GO_ON;
- }
-
- mod_rewrite_patch_connection(srv, con, p);
-
- if (!p->conf.rewrite) return HANDLER_GO_ON;
-
- buffer_copy_string_buffer(p->match_buf, con->request.uri);
- i = config_exec_pcre_keyvalue_buffer(con, p->conf.rewrite, p->conf.context, p->match_buf, con->request.uri);
-
- if (i >= 0) {
- if (!hctx) {
- hctx = handler_ctx_init();
-
- con->plugin_ctx[p->id] = hctx;
- }
-
- if (p->conf.once->ptr[i] == '1')
- hctx->state = REWRITE_STATE_FINISHED;
-
- /* looks like we finished the rewrite
- *
- * start the uri-splitting again
- * */
-
- if (con->request.uri->used == 0 ||
- con->request.uri->ptr[0] != '/') {
- con->http_status = 500;
-
- ERROR("url.rewrite contains a regex for '%s' which leads to a URI without a leading slash: %s",
- SAFE_BUF_STR(p->match_buf), SAFE_BUF_STR(con->request.uri));
-
- return HANDLER_FINISHED;
- }
-
- return HANDLER_COMEBACK;
- } else if (i != PCRE_ERROR_NOMATCH) {
- ERROR("execution error while matching '%s' against '%s': %d",
- SAFE_BUF_STR(p->match_buf), SAFE_BUF_STR(con->request.uri), i);
- con->http_status = 500;
-
- return HANDLER_FINISHED;
- }
-#undef N
-
-#else
- UNUSED(srv);
- UNUSED(con);
- UNUSED(p_d);
-#endif
-
- return HANDLER_GO_ON;
-}
-
-LI_EXPORT int mod_rewrite_plugin_init(plugin *p);
-LI_EXPORT int mod_rewrite_plugin_init(plugin *p) {
- p->version = LIGHTTPD_VERSION_ID;
- p->name = buffer_init_string("rewrite");
-
- p->init = mod_rewrite_init;
- /* it has to stay _raw as we are matching on uri + querystring
- */
-
- p->handle_uri_raw = mod_rewrite_uri_handler;
- p->set_defaults = mod_rewrite_set_defaults;
- p->cleanup = mod_rewrite_free;
- p->connection_reset = mod_rewrite_con_reset;
-
- p->data = NULL;
-
- return 0;
-}
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