summaryrefslogtreecommitdiffstats
path: root/modules/mappers/mod_alias.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--modules/mappers/mod_alias.c727
1 files changed, 727 insertions, 0 deletions
diff --git a/modules/mappers/mod_alias.c b/modules/mappers/mod_alias.c
new file mode 100644
index 0000000..5ff937b
--- /dev/null
+++ b/modules/mappers/mod_alias.c
@@ -0,0 +1,727 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * http_alias.c: Stuff for dealing with directory aliases
+ *
+ * Original by Rob McCool, rewritten in succession by David Robinson
+ * and rst.
+ *
+ */
+
+#include "apr_strings.h"
+#include "apr_lib.h"
+
+#define APR_WANT_STRFUNC
+#include "apr_want.h"
+
+#include "ap_config.h"
+#include "httpd.h"
+#include "http_core.h"
+#include "http_config.h"
+#include "http_request.h"
+#include "http_log.h"
+#include "ap_expr.h"
+
+
+typedef struct {
+ const char *real;
+ const char *fake;
+ char *handler;
+ ap_regex_t *regexp;
+ int redir_status; /* 301, 302, 303, 410, etc */
+} alias_entry;
+
+typedef struct {
+ apr_array_header_t *aliases;
+ apr_array_header_t *redirects;
+} alias_server_conf;
+
+typedef struct {
+ unsigned int alias_set:1;
+ unsigned int redirect_set:1;
+ apr_array_header_t *redirects;
+ const ap_expr_info_t *alias;
+ char *handler;
+ const ap_expr_info_t *redirect;
+ int redirect_status; /* 301, 302, 303, 410, etc */
+} alias_dir_conf;
+
+module AP_MODULE_DECLARE_DATA alias_module;
+
+static char magic_error_value;
+#define PREGSUB_ERROR (&magic_error_value)
+
+static void *create_alias_config(apr_pool_t *p, server_rec *s)
+{
+ alias_server_conf *a =
+ (alias_server_conf *) apr_pcalloc(p, sizeof(alias_server_conf));
+
+ a->aliases = apr_array_make(p, 20, sizeof(alias_entry));
+ a->redirects = apr_array_make(p, 20, sizeof(alias_entry));
+ return a;
+}
+
+static void *create_alias_dir_config(apr_pool_t *p, char *d)
+{
+ alias_dir_conf *a =
+ (alias_dir_conf *) apr_pcalloc(p, sizeof(alias_dir_conf));
+ a->redirects = apr_array_make(p, 2, sizeof(alias_entry));
+ return a;
+}
+
+static void *merge_alias_config(apr_pool_t *p, void *basev, void *overridesv)
+{
+ alias_server_conf *a =
+ (alias_server_conf *) apr_pcalloc(p, sizeof(alias_server_conf));
+ alias_server_conf *base = (alias_server_conf *) basev;
+ alias_server_conf *overrides = (alias_server_conf *) overridesv;
+
+ a->aliases = apr_array_append(p, overrides->aliases, base->aliases);
+ a->redirects = apr_array_append(p, overrides->redirects, base->redirects);
+ return a;
+}
+
+static void *merge_alias_dir_config(apr_pool_t *p, void *basev, void *overridesv)
+{
+ alias_dir_conf *a =
+ (alias_dir_conf *) apr_pcalloc(p, sizeof(alias_dir_conf));
+ alias_dir_conf *base = (alias_dir_conf *) basev;
+ alias_dir_conf *overrides = (alias_dir_conf *) overridesv;
+
+ a->redirects = apr_array_append(p, overrides->redirects, base->redirects);
+
+ a->alias = (overrides->alias_set == 0) ? base->alias : overrides->alias;
+ a->handler = (overrides->alias_set == 0) ? base->handler : overrides->handler;
+ a->alias_set = overrides->alias_set || base->alias_set;
+
+ a->redirect = (overrides->redirect_set == 0) ? base->redirect : overrides->redirect;
+ a->redirect_status = (overrides->redirect_set == 0) ? base->redirect_status : overrides->redirect_status;
+ a->redirect_set = overrides->redirect_set || base->redirect_set;
+
+ return a;
+}
+
+/* need prototype for overlap check */
+static int alias_matches(const char *uri, const char *alias_fakename);
+
+static const char *add_alias_internal(cmd_parms *cmd, void *dummy,
+ const char *fake, const char *real,
+ int use_regex)
+{
+ server_rec *s = cmd->server;
+ alias_server_conf *conf = ap_get_module_config(s->module_config,
+ &alias_module);
+ alias_entry *new = apr_array_push(conf->aliases);
+ alias_entry *entries = (alias_entry *)conf->aliases->elts;
+ int i;
+
+ /* XXX: real can NOT be relative to DocumentRoot here... compat bug. */
+
+ const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_CONTEXT);
+
+ if (err != NULL) {
+ return err;
+ }
+
+ if (use_regex) {
+ new->regexp = ap_pregcomp(cmd->pool, fake, AP_REG_EXTENDED);
+ if (new->regexp == NULL)
+ return "Regular expression could not be compiled.";
+ new->real = real;
+ }
+ else {
+ /* XXX This may be optimized, but we must know that new->real
+ * exists. If so, we can dir merge later, trusing new->real
+ * and just canonicalizing the remainder. Not till I finish
+ * cleaning out the old ap_canonical stuff first.
+ */
+ new->real = real;
+ }
+ new->fake = fake;
+ new->handler = cmd->info;
+
+ /* check for overlapping (Script)Alias directives
+ * and throw a warning if found one
+ */
+ if (!use_regex) {
+ for (i = 0; i < conf->aliases->nelts - 1; ++i) {
+ alias_entry *alias = &entries[i];
+
+ if ( (!alias->regexp && alias_matches(fake, alias->fake) > 0)
+ || (alias->regexp && !ap_regexec(alias->regexp, fake, 0, NULL, 0))) {
+ ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server, APLOGNO(00671)
+ "The %s directive in %s at line %d will probably "
+ "never match because it overlaps an earlier "
+ "%sAlias%s.",
+ cmd->cmd->name, cmd->directive->filename,
+ cmd->directive->line_num,
+ alias->handler ? "Script" : "",
+ alias->regexp ? "Match" : "");
+
+ break; /* one warning per alias should be sufficient */
+ }
+ }
+ }
+
+ return NULL;
+}
+
+static const char *add_alias(cmd_parms *cmd, void *dummy, const char *fake,
+ const char *real)
+{
+ if (real) {
+
+ return add_alias_internal(cmd, dummy, fake, real, 0);
+
+ }
+ else {
+ alias_dir_conf *dirconf = (alias_dir_conf *) dummy;
+
+ const char *err = ap_check_cmd_context(cmd, NOT_IN_DIRECTORY|NOT_IN_FILES);
+
+ if (err != NULL) {
+ return err;
+ }
+
+ if (!cmd->path) {
+ return "Alias must have two arguments when used globally";
+ }
+
+ dirconf->alias =
+ ap_expr_parse_cmd(cmd, fake, AP_EXPR_FLAG_STRING_RESULT,
+ &err, NULL);
+ if (err) {
+ return apr_pstrcat(cmd->temp_pool,
+ "Cannot parse alias expression '", fake, "': ", err,
+ NULL);
+ }
+
+ dirconf->handler = cmd->info;
+ dirconf->alias_set = 1;
+
+ return NULL;
+
+ }
+}
+
+static const char *add_alias_regex(cmd_parms *cmd, void *dummy,
+ const char *fake, const char *real)
+{
+ return add_alias_internal(cmd, dummy, fake, real, 1);
+}
+
+static const char *add_redirect_internal(cmd_parms *cmd,
+ alias_dir_conf *dirconf,
+ const char *arg1, const char *arg2,
+ const char *arg3, int use_regex)
+{
+ alias_entry *new;
+ server_rec *s = cmd->server;
+ alias_server_conf *serverconf = ap_get_module_config(s->module_config,
+ &alias_module);
+ int status = (int) (long) cmd->info;
+ int grokarg1 = 1;
+ ap_regex_t *regex = NULL;
+ const char *fake = arg2;
+ const char *url = arg3;
+
+ /*
+ * Logic flow:
+ * Go ahead and try to grok the 1st arg, in case it is a
+ * Redirect status. Now if we have 3 args, we expect that
+ * we were able to understand that 1st argument (it's something
+ * we expected, so if not, then we bail
+ */
+ if (!strcasecmp(arg1, "permanent"))
+ status = HTTP_MOVED_PERMANENTLY;
+ else if (!strcasecmp(arg1, "temp"))
+ status = HTTP_MOVED_TEMPORARILY;
+ else if (!strcasecmp(arg1, "seeother"))
+ status = HTTP_SEE_OTHER;
+ else if (!strcasecmp(arg1, "gone")) {
+ status = HTTP_GONE;
+ grokarg1 = -1;
+ }
+ else if (apr_isdigit(*arg1)) {
+ status = atoi(arg1);
+ if (!ap_is_HTTP_REDIRECT(status)) {
+ grokarg1 = -1;
+ }
+ }
+ else {
+ grokarg1 = 0;
+ }
+
+ if (arg3 && !grokarg1)
+ return "Redirect: invalid first argument (of three)";
+
+ /*
+ * if we have the 2nd arg and we understand the 1st one as a redirect
+ * status (3xx, but not things like 404 /robots.txt), or if we have the
+ * 1st arg but don't understand it, we use the expression syntax assuming
+ * a path from the location.
+ *
+ * if we understand the first arg but have no second arg, we are dealing
+ * with a status like "GONE" or a non-redirect status (e.g. 404, 503).
+ */
+ if (!cmd->path) {
+ /* <Location> context only for now */
+ ;
+ }
+ else if ((grokarg1 > 0 && arg2 && !arg3) || (!grokarg1 && !arg2)) {
+ const char *expr_err = NULL;
+
+ url = grokarg1 ? arg2 : arg1;
+ dirconf->redirect =
+ ap_expr_parse_cmd(cmd, url, AP_EXPR_FLAG_STRING_RESULT,
+ &expr_err, NULL);
+ if (expr_err) {
+ return apr_pstrcat(cmd->temp_pool,
+ "Cannot parse redirect expression '", url, "': ", expr_err,
+ NULL);
+ }
+
+ dirconf->redirect_status = status;
+ dirconf->redirect_set = 1;
+
+ return NULL;
+
+ }
+ else if (grokarg1 < 0 && !arg2) {
+
+ dirconf->redirect_status = status;
+ dirconf->redirect_set = 1;
+
+ return NULL;
+
+ }
+
+ /*
+ * if we don't have the 3rd arg and we didn't understand the 1st
+ * one, then assume URL-path URL. This also handles case, eg, GONE
+ * we even though we don't have a 3rd arg, we did understand the 1st
+ * one, so we don't want to re-arrange
+ */
+ if (!arg3 && !grokarg1) {
+ fake = arg1;
+ url = arg2;
+ }
+
+ if (use_regex) {
+ regex = ap_pregcomp(cmd->pool, fake, AP_REG_EXTENDED);
+ if (regex == NULL)
+ return "Regular expression could not be compiled.";
+ }
+
+ if (ap_is_HTTP_REDIRECT(status)) {
+ if (!url)
+ return "URL to redirect to is missing";
+ /* PR#35314: we can allow path components here;
+ * they get correctly resolved to full URLs.
+ */
+ if (!use_regex && !ap_is_url(url) && (url[0] != '/'))
+ return "Redirect to non-URL";
+ }
+ else {
+ if (url)
+ return "Redirect URL not valid for this status";
+ }
+
+ if (cmd->path)
+ new = apr_array_push(dirconf->redirects);
+ else
+ new = apr_array_push(serverconf->redirects);
+
+ new->fake = fake;
+ new->real = url;
+ new->regexp = regex;
+ new->redir_status = status;
+ return NULL;
+}
+
+static const char *add_redirect(cmd_parms *cmd, void *dirconf,
+ const char *arg1, const char *arg2,
+ const char *arg3)
+{
+ return add_redirect_internal(cmd, dirconf, arg1, arg2, arg3, 0);
+}
+
+static const char *add_redirect2(cmd_parms *cmd, void *dirconf,
+ const char *arg1, const char *arg2)
+{
+ return add_redirect_internal(cmd, dirconf, arg1, arg2, NULL, 0);
+}
+
+static const char *add_redirect_regex(cmd_parms *cmd, void *dirconf,
+ const char *arg1, const char *arg2,
+ const char *arg3)
+{
+ return add_redirect_internal(cmd, dirconf, arg1, arg2, arg3, 1);
+}
+
+static int alias_matches(const char *uri, const char *alias_fakename)
+{
+ const char *aliasp = alias_fakename, *urip = uri;
+
+ while (*aliasp) {
+ if (*aliasp == '/') {
+ /* any number of '/' in the alias matches any number in
+ * the supplied URI, but there must be at least one...
+ */
+ if (*urip != '/')
+ return 0;
+
+ do {
+ ++aliasp;
+ } while (*aliasp == '/');
+ do {
+ ++urip;
+ } while (*urip == '/');
+ }
+ else {
+ /* Other characters are compared literally */
+ if (*urip++ != *aliasp++)
+ return 0;
+ }
+ }
+
+ /* Check last alias path component matched all the way */
+
+ if (aliasp[-1] != '/' && *urip != '\0' && *urip != '/')
+ return 0;
+
+ /* Return number of characters from URI which matched (may be
+ * greater than length of alias, since we may have matched
+ * doubled slashes)
+ */
+
+ return urip - uri;
+}
+
+static char *try_alias(request_rec *r)
+{
+ alias_dir_conf *dirconf =
+ (alias_dir_conf *) ap_get_module_config(r->per_dir_config, &alias_module);
+
+ if (dirconf->alias) {
+ const char *err = NULL;
+
+ char *found = apr_pstrdup(r->pool,
+ ap_expr_str_exec(r, dirconf->alias, &err));
+ if (err) {
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(02825)
+ "Can't evaluate alias expression: %s", err);
+ return PREGSUB_ERROR;
+ }
+
+ if (dirconf->handler) { /* Set handler, and leave a note for mod_cgi */
+ r->handler = dirconf->handler;
+ apr_table_setn(r->notes, "alias-forced-type", r->handler);
+ }
+ /* XXX This is as SLOW as can be, next step, we optimize
+ * and merge to whatever part of the found path was already
+ * canonicalized. After I finish eliminating os canonical.
+ * Better fail test for ap_server_root_relative needed here.
+ */
+ found = ap_server_root_relative(r->pool, found);
+ return found;
+
+ }
+
+ return NULL;
+}
+
+static char *try_redirect(request_rec *r, int *status)
+{
+ alias_dir_conf *dirconf =
+ (alias_dir_conf *) ap_get_module_config(r->per_dir_config, &alias_module);
+
+ if (dirconf->redirect_set) {
+ apr_uri_t uri;
+ const char *err = NULL;
+ char *found = "";
+
+ if (dirconf->redirect) {
+
+ found = apr_pstrdup(r->pool,
+ ap_expr_str_exec(r, dirconf->redirect, &err));
+ if (err) {
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(02826)
+ "Can't evaluate redirect expression: %s", err);
+ return PREGSUB_ERROR;
+ }
+
+ apr_uri_parse(r->pool, found, &uri);
+ /* Do not escape the query string or fragment. */
+ found = apr_uri_unparse(r->pool, &uri, APR_URI_UNP_OMITQUERY);
+ found = ap_escape_uri(r->pool, found);
+ if (uri.query) {
+ found = apr_pstrcat(r->pool, found, "?", uri.query, NULL);
+ }
+ if (uri.fragment) {
+ found = apr_pstrcat(r->pool, found, "#", uri.fragment, NULL);
+ }
+
+ }
+
+ *status = dirconf->redirect_status;
+ return found;
+
+ }
+
+ return NULL;
+}
+
+static char *try_alias_list(request_rec *r, apr_array_header_t *aliases,
+ int is_redir, int *status)
+{
+ alias_entry *entries = (alias_entry *) aliases->elts;
+ ap_regmatch_t regm[AP_MAX_REG_MATCH];
+ char *found = NULL;
+ int i;
+
+ for (i = 0; i < aliases->nelts; ++i) {
+ alias_entry *alias = &entries[i];
+ int l;
+
+ if (alias->regexp) {
+ if (!ap_regexec(alias->regexp, r->uri, AP_MAX_REG_MATCH, regm, 0)) {
+ if (alias->real) {
+ found = ap_pregsub(r->pool, alias->real, r->uri,
+ AP_MAX_REG_MATCH, regm);
+ if (found) {
+ if (is_redir) {
+ apr_uri_t uri;
+ apr_uri_parse(r->pool, found, &uri);
+ /* Do not escape the query string or fragment. */
+ found = apr_uri_unparse(r->pool, &uri,
+ APR_URI_UNP_OMITQUERY);
+ found = ap_escape_uri(r->pool, found);
+ if (uri.query) {
+ found = apr_pstrcat(r->pool, found, "?",
+ uri.query, NULL);
+ }
+ if (uri.fragment) {
+ found = apr_pstrcat(r->pool, found, "#",
+ uri.fragment, NULL);
+ }
+ }
+ }
+ else {
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00672)
+ "Regex substitution in '%s' failed. "
+ "Replacement too long?", alias->real);
+ return PREGSUB_ERROR;
+ }
+ }
+ else {
+ /* need something non-null */
+ found = "";
+ }
+ }
+ }
+ else {
+ l = alias_matches(r->uri, alias->fake);
+
+ if (l > 0) {
+ ap_set_context_info(r, alias->fake, alias->real);
+ if (is_redir) {
+ char *escurl;
+ escurl = ap_os_escape_path(r->pool, r->uri + l, 1);
+
+ found = apr_pstrcat(r->pool, alias->real, escurl, NULL);
+ }
+ else
+ found = apr_pstrcat(r->pool, alias->real, r->uri + l, NULL);
+ }
+ }
+
+ if (found) {
+ if (alias->handler) { /* Set handler, and leave a note for mod_cgi */
+ r->handler = alias->handler;
+ apr_table_setn(r->notes, "alias-forced-type", r->handler);
+ }
+ /* XXX This is as SLOW as can be, next step, we optimize
+ * and merge to whatever part of the found path was already
+ * canonicalized. After I finish eliminating os canonical.
+ * Better fail test for ap_server_root_relative needed here.
+ */
+ if (!is_redir) {
+ found = ap_server_root_relative(r->pool, found);
+ }
+ if (found) {
+ *status = alias->redir_status;
+ }
+ return found;
+ }
+
+ }
+
+ return NULL;
+}
+
+static int translate_alias_redir(request_rec *r)
+{
+ ap_conf_vector_t *sconf = r->server->module_config;
+ alias_server_conf *serverconf = ap_get_module_config(sconf, &alias_module);
+ char *ret;
+ int status;
+
+ if (r->uri[0] != '/' && r->uri[0] != '\0') {
+ return DECLINED;
+ }
+
+ if ((ret = try_redirect(r, &status)) != NULL
+ || (ret = try_alias_list(r, serverconf->redirects, 1, &status))
+ != NULL) {
+ if (ret == PREGSUB_ERROR)
+ return HTTP_INTERNAL_SERVER_ERROR;
+ if (ap_is_HTTP_REDIRECT(status)) {
+ if (ret[0] == '/') {
+ char *orig_target = ret;
+
+ ret = ap_construct_url(r->pool, ret, r);
+ ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(00673)
+ "incomplete redirection target of '%s' for "
+ "URI '%s' modified to '%s'",
+ orig_target, r->uri, ret);
+ }
+ if (!ap_is_url(ret)) {
+ status = HTTP_INTERNAL_SERVER_ERROR;
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00674)
+ "cannot redirect '%s' to '%s'; "
+ "target is not a valid absoluteURI or abs_path",
+ r->uri, ret);
+ }
+ else {
+ /* append requested query only, if the config didn't
+ * supply its own.
+ */
+ if (r->args && !ap_strchr(ret, '?')) {
+ ret = apr_pstrcat(r->pool, ret, "?", r->args, NULL);
+ }
+ apr_table_setn(r->headers_out, "Location", ret);
+ }
+ }
+ return status;
+ }
+
+ if ((ret = try_alias(r)) != NULL
+ || (ret = try_alias_list(r, serverconf->aliases, 0, &status))
+ != NULL) {
+ r->filename = ret;
+ return OK;
+ }
+
+ return DECLINED;
+}
+
+static int fixup_redir(request_rec *r)
+{
+ void *dconf = r->per_dir_config;
+ alias_dir_conf *dirconf =
+ (alias_dir_conf *) ap_get_module_config(dconf, &alias_module);
+ char *ret;
+ int status;
+
+ /* It may have changed since last time, so try again */
+
+ if ((ret = try_redirect(r, &status)) != NULL
+ || (ret = try_alias_list(r, dirconf->redirects, 1, &status))
+ != NULL) {
+ if (ret == PREGSUB_ERROR)
+ return HTTP_INTERNAL_SERVER_ERROR;
+ if (ap_is_HTTP_REDIRECT(status)) {
+ if (ret[0] == '/') {
+ char *orig_target = ret;
+
+ ret = ap_construct_url(r->pool, ret, r);
+ ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(00675)
+ "incomplete redirection target of '%s' for "
+ "URI '%s' modified to '%s'",
+ orig_target, r->uri, ret);
+ }
+ if (!ap_is_url(ret)) {
+ status = HTTP_INTERNAL_SERVER_ERROR;
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00676)
+ "cannot redirect '%s' to '%s'; "
+ "target is not a valid absoluteURI or abs_path",
+ r->uri, ret);
+ }
+ else {
+ /* append requested query only, if the config didn't
+ * supply its own.
+ */
+ if (r->args && !ap_strchr(ret, '?')) {
+ ret = apr_pstrcat(r->pool, ret, "?", r->args, NULL);
+ }
+ apr_table_setn(r->headers_out, "Location", ret);
+ }
+ }
+ return status;
+ }
+
+ return DECLINED;
+}
+
+static const command_rec alias_cmds[] =
+{
+ AP_INIT_TAKE12("Alias", add_alias, NULL, RSRC_CONF | ACCESS_CONF,
+ "a fakename and a realname, or a realname in a Location"),
+ AP_INIT_TAKE12("ScriptAlias", add_alias, "cgi-script", RSRC_CONF | ACCESS_CONF,
+ "a fakename and a realname, or a realname in a Location"),
+ AP_INIT_TAKE123("Redirect", add_redirect, (void *) HTTP_MOVED_TEMPORARILY,
+ OR_FILEINFO,
+ "an optional status, then document to be redirected and "
+ "destination URL"),
+ AP_INIT_TAKE2("AliasMatch", add_alias_regex, NULL, RSRC_CONF,
+ "a regular expression and a filename"),
+ AP_INIT_TAKE2("ScriptAliasMatch", add_alias_regex, "cgi-script", RSRC_CONF,
+ "a regular expression and a filename"),
+ AP_INIT_TAKE23("RedirectMatch", add_redirect_regex,
+ (void *) HTTP_MOVED_TEMPORARILY, OR_FILEINFO,
+ "an optional status, then a regular expression and "
+ "destination URL"),
+ AP_INIT_TAKE2("RedirectTemp", add_redirect2,
+ (void *) HTTP_MOVED_TEMPORARILY, OR_FILEINFO,
+ "a document to be redirected, then the destination URL"),
+ AP_INIT_TAKE2("RedirectPermanent", add_redirect2,
+ (void *) HTTP_MOVED_PERMANENTLY, OR_FILEINFO,
+ "a document to be redirected, then the destination URL"),
+ {NULL}
+};
+
+
+static void register_hooks(apr_pool_t *p)
+{
+ static const char * const aszSucc[]={ "mod_userdir.c",
+ "mod_vhost_alias.c",NULL };
+
+ ap_hook_translate_name(translate_alias_redir,NULL,aszSucc,APR_HOOK_MIDDLE);
+ ap_hook_fixups(fixup_redir,NULL,NULL,APR_HOOK_MIDDLE);
+}
+
+AP_DECLARE_MODULE(alias) =
+{
+ STANDARD20_MODULE_STUFF,
+ create_alias_dir_config, /* dir config creater */
+ merge_alias_dir_config, /* dir merger --- default is to override */
+ create_alias_config, /* server config */
+ merge_alias_config, /* merge server configs */
+ alias_cmds, /* command apr_table_t */
+ register_hooks /* register hooks */
+};