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@ -3,6 +3,7 @@
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#include "buffer.h"
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#include "plugin.h"
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#include "stat_cache.h"
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#include <ctype.h>
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#include <stdlib.h>
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@ -27,7 +28,8 @@ typedef struct {
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typedef struct {
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rewrite_rule_buffer *rewrite;
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data_config *context; /* to which apply me */
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rewrite_rule_buffer *rewrite_NF;
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data_config *context, *context_NF; /* to which apply me */
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} plugin_config;
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typedef struct {
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@ -157,6 +159,7 @@ FREE_FUNC(mod_rewrite_free) {
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for (i = 0; i < srv->config_context->used; i++) {
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plugin_config *s = p->config_storage[i];
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rewrite_rule_buffer_free(s->rewrite);
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rewrite_rule_buffer_free(s->rewrite_NF);
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free(s);
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}
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@ -168,7 +171,7 @@ FREE_FUNC(mod_rewrite_free) {
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return HANDLER_GO_ON;
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}
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static int parse_config_entry(server *srv, plugin_config *s, array *ca, const char *option, int once) {
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static int parse_config_entry(server *srv, array *ca, rewrite_rule_buffer *kvb, const char *option, int once) {
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data_unset *du;
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if (NULL != (du = array_get_element(ca, option))) {
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@ -194,7 +197,7 @@ static int parse_config_entry(server *srv, plugin_config *s, array *ca, const ch
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return HANDLER_ERROR;
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}
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if (0 != rewrite_rule_buffer_append(s->rewrite,
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if (0 != rewrite_rule_buffer_append(kvb,
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((data_string *)(da->value->data[j]))->key,
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((data_string *)(da->value->data[j]))->value,
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once)) {
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@ -220,14 +223,23 @@ SETDEFAULTS_FUNC(mod_rewrite_set_defaults) {
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{ "url.rewrite-repeat", NULL, T_CONFIG_LOCAL, T_CONFIG_SCOPE_CONNECTION }, /* 0 */
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{ "url.rewrite-once", NULL, T_CONFIG_LOCAL, T_CONFIG_SCOPE_CONNECTION }, /* 1 */
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/* these functions only rewrite if the target is not already in the filestore
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*
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* url.rewrite-repeat-if-not-file is the equivalent of url.rewrite-repeat
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* url.rewrite-if-not-file is the equivalent of url.rewrite-once
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*
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*/
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{ "url.rewrite-repeat-if-not-file", NULL, T_CONFIG_LOCAL, T_CONFIG_SCOPE_CONNECTION }, /* 2 */
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{ "url.rewrite-if-not-file", NULL, T_CONFIG_LOCAL, T_CONFIG_SCOPE_CONNECTION }, /* 3 */
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/* old names, still supported
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*
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* url.rewrite remapped to url.rewrite-once
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* url.rewrite-final is url.rewrite-once
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*
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*/
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{ "url.rewrite", NULL, T_CONFIG_LOCAL, T_CONFIG_SCOPE_CONNECTION }, /* 2 */
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{ "url.rewrite-final", NULL, T_CONFIG_LOCAL, T_CONFIG_SCOPE_CONNECTION }, /* 3 */
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{ "url.rewrite", NULL, T_CONFIG_LOCAL, T_CONFIG_SCOPE_CONNECTION }, /* 4 */
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{ "url.rewrite-final", NULL, T_CONFIG_LOCAL, T_CONFIG_SCOPE_CONNECTION }, /* 5 */
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{ NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET }
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};
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@ -241,11 +253,15 @@ SETDEFAULTS_FUNC(mod_rewrite_set_defaults) {
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array *ca;
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s = calloc(1, sizeof(plugin_config));
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s->rewrite = rewrite_rule_buffer_init();
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s->rewrite = rewrite_rule_buffer_init();
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s->rewrite_NF = rewrite_rule_buffer_init();
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cv[0].destination = s->rewrite;
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cv[1].destination = s->rewrite;
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cv[2].destination = s->rewrite;
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cv[2].destination = s->rewrite_NF;
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cv[3].destination = s->rewrite_NF;
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cv[4].destination = s->rewrite;
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cv[5].destination = s->rewrite;
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p->config_storage[i] = s;
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ca = ((data_config *)srv->config_context->data[i])->value;
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@ -254,21 +270,27 @@ SETDEFAULTS_FUNC(mod_rewrite_set_defaults) {
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return HANDLER_ERROR;
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}
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parse_config_entry(srv, s, ca, "url.rewrite-once", 1);
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parse_config_entry(srv, s, ca, "url.rewrite-final", 1);
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parse_config_entry(srv, s, ca, "url.rewrite", 1);
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parse_config_entry(srv, s, ca, "url.rewrite-repeat", 0);
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parse_config_entry(srv, ca, s->rewrite, "url.rewrite-once", 1);
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parse_config_entry(srv, ca, s->rewrite, "url.rewrite-final", 1);
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parse_config_entry(srv, ca, s->rewrite_NF, "url.rewrite-if-not-file", 1);
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parse_config_entry(srv, ca, s->rewrite_NF, "url.rewrite-repeat-if-not-file", 0);
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parse_config_entry(srv, ca, s->rewrite, "url.rewrite", 1);
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parse_config_entry(srv, ca, s->rewrite, "url.rewrite-repeat", 0);
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}
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return HANDLER_GO_ON;
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}
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#ifdef HAVE_PCRE_H
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#define PATCH(x) \
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p->conf.x = s->x;
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static int mod_rewrite_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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p->conf.rewrite = s->rewrite;
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PATCH(rewrite);
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PATCH(rewrite_NF);
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p->conf.context = NULL;
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p->conf.context_NF = NULL;
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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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@ -285,16 +307,22 @@ static int mod_rewrite_patch_connection(server *srv, connection *con, plugin_dat
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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("url.rewrite"))) {
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p->conf.rewrite = s->rewrite;
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PATCH(rewrite);
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p->conf.context = dc;
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} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("url.rewrite-once"))) {
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p->conf.rewrite = s->rewrite;
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PATCH(rewrite);
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p->conf.context = dc;
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} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("url.rewrite-repeat"))) {
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p->conf.rewrite = s->rewrite;
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PATCH(rewrite);
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p->conf.context = dc;
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} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("url.rewrite-if-not-file"))) {
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PATCH(rewrite_NF);
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p->conf.context_NF = dc;
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} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("url.rewrite-repeat-if-not-file"))) {
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PATCH(rewrite_NF);
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p->conf.context_NF = dc;
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} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("url.rewrite-final"))) {
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p->conf.rewrite = s->rewrite;
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PATCH(rewrite);
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p->conf.context = dc;
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}
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}
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@ -316,19 +344,11 @@ URIHANDLER_FUNC(mod_rewrite_con_reset) {
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return HANDLER_GO_ON;
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}
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URIHANDLER_FUNC(mod_rewrite_uri_handler) {
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static int process_rewrite_rules(server *srv, connection *con, plugin_data *p, rewrite_rule_buffer *kvb) {
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#ifdef HAVE_PCRE_H
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plugin_data *p = p_d;
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size_t i;
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handler_ctx *hctx;
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/*
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* REWRITE URL
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*
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* e.g. rewrite /base/ to /index.php?section=base
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*
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*/
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if (con->plugin_ctx[p->id]) {
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hctx = con->plugin_ctx[p->id];
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@ -342,18 +362,14 @@ URIHANDLER_FUNC(mod_rewrite_uri_handler) {
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if (hctx->state == REWRITE_STATE_FINISHED) return HANDLER_GO_ON;
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}
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mod_rewrite_patch_connection(srv, con, p);
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if (!p->conf.rewrite) return HANDLER_GO_ON;
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buffer_copy_string_buffer(p->match_buf, con->request.uri);
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for (i = 0; i < p->conf.rewrite->used; i++) {
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for (i = 0; i < kvb->used; i++) {
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pcre *match;
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const char *pattern;
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size_t pattern_len;
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int n;
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rewrite_rule *rule = p->conf.rewrite->ptr[i];
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rewrite_rule *rule = kvb->ptr[i];
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# define N 10
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int ovec[N * 3];
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@ -426,9 +442,62 @@ URIHANDLER_FUNC(mod_rewrite_uri_handler) {
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return HANDLER_COMEBACK;
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}
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}
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#undef N
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}
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#else
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UNUSED(srv);
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UNUSED(con);
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UNUSED(p);
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UNUSED(hctx);
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UNUSED(kvb);
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#endif
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return HANDLER_GO_ON;
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}
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URIHANDLER_FUNC(mod_rewrite_physical) {
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#ifdef HAVE_PCRE_H
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plugin_data *p = p_d;
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handler_t r;
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stat_cache_entry *sce;
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if (con->mode != DIRECT) return HANDLER_GO_ON;
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mod_rewrite_patch_connection(srv, con, p);
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p->conf.context = p->conf.context_NF;
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if (!p->conf.rewrite_NF) return HANDLER_GO_ON;
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/* skip if physical.path is a regular file */
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sce = NULL;
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if (HANDLER_ERROR != stat_cache_get_entry(srv, con, con->physical.path, &sce)) {
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if (S_ISREG(sce->st.st_mode)) return HANDLER_GO_ON;
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}
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switch(r = process_rewrite_rules(srv, con, p, p->conf.rewrite_NF)) {
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case HANDLER_COMEBACK:
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buffer_reset(con->physical.path);
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default:
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return r;
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}
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#else
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UNUSED(srv);
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UNUSED(con);
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UNUSED(p_d);
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#endif
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return HANDLER_GO_ON;
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}
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URIHANDLER_FUNC(mod_rewrite_uri_handler) {
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#ifdef HAVE_PCRE_H
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plugin_data *p = p_d;
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mod_rewrite_patch_connection(srv, con, p);
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if (!p->conf.rewrite) return HANDLER_GO_ON;
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return process_rewrite_rules(srv, con, p, p->conf.rewrite);
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#else
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UNUSED(srv);
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UNUSED(con);
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@ -448,6 +517,7 @@ int mod_rewrite_plugin_init(plugin *p) {
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*/
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p->handle_uri_raw = mod_rewrite_uri_handler;
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p->handle_physical = mod_rewrite_physical;
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p->set_defaults = mod_rewrite_set_defaults;
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p->cleanup = mod_rewrite_free;
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p->connection_reset = mod_rewrite_con_reset;
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