diff options
Diffstat (limited to 'rubbos/app/httpd-2.0.64/modules/mappers/mod_vhost_alias.c')
-rw-r--r-- | rubbos/app/httpd-2.0.64/modules/mappers/mod_vhost_alias.c | 457 |
1 files changed, 0 insertions, 457 deletions
diff --git a/rubbos/app/httpd-2.0.64/modules/mappers/mod_vhost_alias.c b/rubbos/app/httpd-2.0.64/modules/mappers/mod_vhost_alias.c deleted file mode 100644 index cb798863..00000000 --- a/rubbos/app/httpd-2.0.64/modules/mappers/mod_vhost_alias.c +++ /dev/null @@ -1,457 +0,0 @@ -/* 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. - */ - -/* - * mod_vhost_alias.c: support for dynamically configured mass virtual hosting - * - * Copyright (c) 1998-1999 Demon Internet Ltd. - * - * This software was submitted by Demon Internet to the Apache Software Foundation - * in May 1999. Future revisions and derivatives of this source code - * must acknowledge Demon Internet as the original contributor of - * this module. All other licensing and usage conditions are those - * of the Apache Software Foundation. - * - * Originally written by Tony Finch <fanf@demon.net> <dot@dotat.at>. - * - * Implementation ideas were taken from mod_alias.c. The overall - * concept is derived from the OVERRIDE_DOC_ROOT/OVERRIDE_CGIDIR - * patch to Apache 1.3b3 and a similar feature in Demon's thttpd, - * both written by James Grinter <jrg@blodwen.demon.co.uk>. - */ - -#include "apr.h" -#include "apr_strings.h" -#include "apr_hooks.h" -#include "apr_lib.h" - -#define APR_WANT_STRFUNC -#include "apr_want.h" - -#include "httpd.h" -#include "http_config.h" -#include "http_core.h" -#include "http_request.h" /* for ap_hook_translate_name */ - - -module AP_MODULE_DECLARE_DATA vhost_alias_module; - - -/* - * basic configuration things - * we abbreviate "mod_vhost_alias" to "mva" for shorter names - */ - -typedef enum { - VHOST_ALIAS_UNSET, VHOST_ALIAS_NONE, VHOST_ALIAS_NAME, VHOST_ALIAS_IP -} mva_mode_e; - -/* - * Per-server module config record. - */ -typedef struct mva_sconf_t { - const char *doc_root; - const char *cgi_root; - mva_mode_e doc_root_mode; - mva_mode_e cgi_root_mode; -} mva_sconf_t; - -static void *mva_create_server_config(apr_pool_t *p, server_rec *s) -{ - mva_sconf_t *conf; - - conf = (mva_sconf_t *) apr_pcalloc(p, sizeof(mva_sconf_t)); - conf->doc_root = NULL; - conf->cgi_root = NULL; - conf->doc_root_mode = VHOST_ALIAS_UNSET; - conf->cgi_root_mode = VHOST_ALIAS_UNSET; - return conf; -} - -static void *mva_merge_server_config(apr_pool_t *p, void *parentv, void *childv) -{ - mva_sconf_t *parent = (mva_sconf_t *) parentv; - mva_sconf_t *child = (mva_sconf_t *) childv; - mva_sconf_t *conf; - - conf = (mva_sconf_t *) apr_pcalloc(p, sizeof(*conf)); - if (child->doc_root_mode == VHOST_ALIAS_UNSET) { - conf->doc_root_mode = parent->doc_root_mode; - conf->doc_root = parent->doc_root; - } - else { - conf->doc_root_mode = child->doc_root_mode; - conf->doc_root = child->doc_root; - } - if (child->cgi_root_mode == VHOST_ALIAS_UNSET) { - conf->cgi_root_mode = parent->cgi_root_mode; - conf->cgi_root = parent->cgi_root; - } - else { - conf->cgi_root_mode = child->cgi_root_mode; - conf->cgi_root = child->cgi_root; - } - return conf; -} - - -/* - * These are just here to tell us what vhost_alias_set should do. - * We don't put anything into them; we just use the cell addresses. - */ -static int vhost_alias_set_doc_root_ip, - vhost_alias_set_cgi_root_ip, - vhost_alias_set_doc_root_name, - vhost_alias_set_cgi_root_name; - -static const char *vhost_alias_set(cmd_parms *cmd, void *dummy, const char *map) -{ - mva_sconf_t *conf; - mva_mode_e mode, *pmode; - const char **pmap; - const char *p; - - conf = (mva_sconf_t *) ap_get_module_config(cmd->server->module_config, - &vhost_alias_module); - /* there ought to be a better way of doing this */ - if (&vhost_alias_set_doc_root_ip == cmd->info) { - mode = VHOST_ALIAS_IP; - pmap = &conf->doc_root; - pmode = &conf->doc_root_mode; - } - else if (&vhost_alias_set_cgi_root_ip == cmd->info) { - mode = VHOST_ALIAS_IP; - pmap = &conf->cgi_root; - pmode = &conf->cgi_root_mode; - } - else if (&vhost_alias_set_doc_root_name == cmd->info) { - mode = VHOST_ALIAS_NAME; - pmap = &conf->doc_root; - pmode = &conf->doc_root_mode; - } - else if (&vhost_alias_set_cgi_root_name == cmd->info) { - mode = VHOST_ALIAS_NAME; - pmap = &conf->cgi_root; - pmode = &conf->cgi_root_mode; - } - else { - return "INTERNAL ERROR: unknown command info"; - } - - if (!ap_os_is_path_absolute(cmd->pool, map)) { - if (strcasecmp(map, "none")) { - return "format string must be an absolute path, or 'none'"; - } - *pmap = NULL; - *pmode = VHOST_ALIAS_NONE; - return NULL; - } - - /* sanity check */ - p = map; - while (*p != '\0') { - if (*p++ != '%') { - continue; - } - /* we just found a '%' */ - if (*p == 'p' || *p == '%') { - ++p; - continue; - } - /* optional dash */ - if (*p == '-') { - ++p; - } - /* digit N */ - if (apr_isdigit(*p)) { - ++p; - } - else { - return "syntax error in format string"; - } - /* optional plus */ - if (*p == '+') { - ++p; - } - /* do we end here? */ - if (*p != '.') { - continue; - } - ++p; - /* optional dash */ - if (*p == '-') { - ++p; - } - /* digit M */ - if (apr_isdigit(*p)) { - ++p; - } - else { - return "syntax error in format string"; - } - /* optional plus */ - if (*p == '+') { - ++p; - } - } - *pmap = map; - *pmode = mode; - return NULL; -} - -static const command_rec mva_commands[] = -{ - AP_INIT_TAKE1("VirtualScriptAlias", vhost_alias_set, - &vhost_alias_set_cgi_root_name, RSRC_CONF, - "how to create a ScriptAlias based on the host"), - AP_INIT_TAKE1("VirtualDocumentRoot", vhost_alias_set, - &vhost_alias_set_doc_root_name, RSRC_CONF, - "how to create the DocumentRoot based on the host"), - AP_INIT_TAKE1("VirtualScriptAliasIP", vhost_alias_set, - &vhost_alias_set_cgi_root_ip, RSRC_CONF, - "how to create a ScriptAlias based on the host"), - AP_INIT_TAKE1("VirtualDocumentRootIP", vhost_alias_set, - &vhost_alias_set_doc_root_ip, RSRC_CONF, - "how to create the DocumentRoot based on the host"), - { NULL } -}; - - -/* - * This really wants to be a nested function - * but C is too feeble to support them. - */ -static APR_INLINE void vhost_alias_checkspace(request_rec *r, char *buf, - char **pdest, int size) -{ - /* XXX: what if size > HUGE_STRING_LEN? */ - if (*pdest + size > buf + HUGE_STRING_LEN) { - **pdest = '\0'; - if (r->filename) { - r->filename = apr_pstrcat(r->pool, r->filename, buf, NULL); - } - else { - r->filename = apr_pstrdup(r->pool, buf); - } - *pdest = buf; - } -} - -static void vhost_alias_interpolate(request_rec *r, const char *name, - const char *map, const char *uri) -{ - /* 0..9 9..0 */ - enum { MAXDOTS = 19 }; - const char *dots[MAXDOTS+1]; - int ndots; - - char buf[HUGE_STRING_LEN]; - char *dest, last; - - int N, M, Np, Mp, Nd, Md; - const char *start, *end; - - const char *p; - - ndots = 0; - dots[ndots++] = name-1; /* slightly naughty */ - for (p = name; *p; ++p){ - if (*p == '.' && ndots < MAXDOTS) { - dots[ndots++] = p; - } - } - dots[ndots] = p; - - r->filename = NULL; - - dest = buf; - last = '\0'; - while (*map) { - if (*map != '%') { - /* normal characters */ - vhost_alias_checkspace(r, buf, &dest, 1); - last = *dest++ = *map++; - continue; - } - /* we are in a format specifier */ - ++map; - /* can't be a slash */ - last = '\0'; - /* %% -> % */ - if (*map == '%') { - ++map; - vhost_alias_checkspace(r, buf, &dest, 1); - *dest++ = '%'; - continue; - } - /* port number */ - if (*map == 'p') { - ++map; - /* no. of decimal digits in a short plus one */ - vhost_alias_checkspace(r, buf, &dest, 7); - dest += apr_snprintf(dest, 7, "%d", ap_get_server_port(r)); - continue; - } - /* deal with %-N+.-M+ -- syntax is already checked */ - N = M = 0; /* value */ - Np = Mp = 0; /* is there a plus? */ - Nd = Md = 0; /* is there a dash? */ - if (*map == '-') ++map, Nd = 1; - N = *map++ - '0'; - if (*map == '+') ++map, Np = 1; - if (*map == '.') { - ++map; - if (*map == '-') { - ++map, Md = 1; - } - M = *map++ - '0'; - if (*map == '+') { - ++map, Mp = 1; - } - } - /* note that N and M are one-based indices, not zero-based */ - start = dots[0]+1; /* ptr to the first character */ - end = dots[ndots]; /* ptr to the character after the last one */ - if (N != 0) { - if (N > ndots) { - start = "_"; - end = start+1; - } - else if (!Nd) { - start = dots[N-1]+1; - if (!Np) { - end = dots[N]; - } - } - else { - if (!Np) { - start = dots[ndots-N]+1; - } - end = dots[ndots-N+1]; - } - } - if (M != 0) { - if (M > end - start) { - start = "_"; - end = start+1; - } - else if (!Md) { - start = start+M-1; - if (!Mp) { - end = start+1; - } - } - else { - if (!Mp) { - start = end-M; - } - end = end-M+1; - } - } - vhost_alias_checkspace(r, buf, &dest, end - start); - for (p = start; p < end; ++p) { - *dest++ = apr_tolower(*p); - } - } - *dest = '\0'; - /* no double slashes */ - if (last == '/') { - ++uri; - } - - if (r->filename) { - r->filename = apr_pstrcat(r->pool, r->filename, buf, uri, NULL); - } - else { - r->filename = apr_pstrcat(r->pool, buf, uri, NULL); - } -} - -static int mva_translate(request_rec *r) -{ - mva_sconf_t *conf; - const char *name, *map, *uri; - mva_mode_e mode; - const char *cgi; - - conf = (mva_sconf_t *) ap_get_module_config(r->server->module_config, - &vhost_alias_module); - cgi = NULL; - if (conf->cgi_root) { - cgi = strstr(r->uri, "cgi-bin/"); - if (cgi && (cgi != r->uri + strspn(r->uri, "/"))) { - cgi = NULL; - } - } - if (cgi) { - mode = conf->cgi_root_mode; - map = conf->cgi_root; - uri = cgi + strlen("cgi-bin"); - } - else if (r->uri[0] == '/') { - mode = conf->doc_root_mode; - map = conf->doc_root; - uri = r->uri; - } - else { - return DECLINED; - } - - if (mode == VHOST_ALIAS_NAME) { - name = ap_get_server_name(r); - } - else if (mode == VHOST_ALIAS_IP) { - name = r->connection->local_ip; - } - else { - return DECLINED; - } - - /* ### There is an optimization available here to determine the - * absolute portion of the path from the server config phase, - * through the first % segment, and note that portion of the path - * canonical_path buffer. - */ - r->canonical_filename = ""; - vhost_alias_interpolate(r, name, map, uri); - - if (cgi) { - /* see is_scriptaliased() in mod_cgi */ - r->handler = "cgi-script"; - apr_table_setn(r->notes, "alias-forced-type", r->handler); - } - - return OK; -} - -static void register_hooks(apr_pool_t *p) -{ - static const char * const aszPre[]={ "mod_alias.c","mod_userdir.c",NULL }; - - ap_hook_translate_name(mva_translate, aszPre, NULL, APR_HOOK_MIDDLE); -} - -module AP_MODULE_DECLARE_DATA vhost_alias_module = -{ - STANDARD20_MODULE_STUFF, - NULL, /* dir config creater */ - NULL, /* dir merger --- default is to override */ - mva_create_server_config, /* server config */ - mva_merge_server_config, /* merge server configs */ - mva_commands, /* command apr_table_t */ - register_hooks /* register hooks */ -}; - |