eapi.patch

apach加密模块

      * 
      */
+#ifdef EAPI
+    if (   modp->magic != MODULE_MAGIC_COOKIE_AP13 
+        && modp->magic != MODULE_MAGIC_COOKIE_EAPI) {
+#else
     if (modp->magic != MODULE_MAGIC_COOKIE) {
+#endif
         return ap_pstrcat(cmd->pool, "API module structure `", modname,
                           "' in file ", szModuleFile, " is garbled -"
                           " perhaps this is not an Apache module DSO?", NULL);
     }
+#ifdef EAPI
+    if (modp->magic == MODULE_MAGIC_COOKIE_AP13) {
+        ap_log_error(APLOG_MARK, APLOG_WARNING|APLOG_NOERRNO, NULL,
+                     "Loaded DSO %s uses plain Apache 1.3 API, "
+                     "this module might crash under EAPI! "
+                     "(please recompile it with -DEAPI)", filename);
+    }
+#endif
 
     /* 
      * Add this module to the Apache core structures

+---------------------------------------------------------------------------
| Add additional logging functions to the CustomLog directive
| which can be used by other modules to create additional
| logfile tags. Actually we add two types of hooks: One hook
| for intercepting the new and generic %x (eXtension) tag and
| one hook for creating new %x tags at all.
+---------------------------------------------------------------------------
Index: src/modules/standard/mod_log_config.c
--- src/modules/standard/mod_log_config.c	2000/02/24 13:55:38	1.1.1.9
+++ src/modules/standard/mod_log_config.c	2000/02/24 13:58:17	1.22
@@ -257,6 +257,9 @@
 typedef const char *(*item_key_func) (request_rec *, char *);
 
 typedef struct {
+#ifdef EAPI
+    char ch;
+#endif
     item_key_func func;
     char *arg;
     int condition_sense;
@@ -554,15 +557,36 @@
     }
 };
 
+#ifdef EAPI
+static struct log_item_list *find_log_func(pool *p, char k)
+#else /* EAPI */
 static struct log_item_list *find_log_func(char k)
+#endif /* EAPI */
 {
     int i;
+#ifdef EAPI
+    struct log_item_list *lil;
+#endif /* EAPI */
 
     for (i = 0; log_item_keys[i].ch; ++i)
         if (k == log_item_keys[i].ch) {
             return &log_item_keys[i];
         }
 
+#ifdef EAPI
+    if (ap_hook_status(ap_psprintf(p, "ap::mod_log_config::log_%c", k)) 
+        != AP_HOOK_STATE_NOTEXISTANT) {
+        lil = (struct log_item_list *)
+              ap_pcalloc(p, sizeof(struct log_item_list));
+        if (lil == NULL)
+            return NULL;
+        lil->ch = k;
+        lil->func = NULL;
+        lil->want_orig_default = 0;
+        return lil;
+    }
+#endif /* EAPI */
+
     return NULL;
 }
 
@@ -688,7 +712,11 @@
             break;
 
         default:
+#ifdef EAPI
+            l = find_log_func(p, *s++);
+#else /* EAPI */
             l = find_log_func(*s++);
+#endif /* EAPI */
             if (!l) {
                 char dummy[2];
 
@@ -697,6 +725,9 @@
                 return ap_pstrcat(p, "Unrecognized LogFormat directive %",
                                dummy, NULL);
             }
+#ifdef EAPI
+            it->ch = s[-1];
+#endif
             it->func = l->func;
             if (it->want_orig == -1) {
                 it->want_orig = l->want_orig_default;
@@ -758,6 +789,15 @@
 
     /* We do.  Do it... */
 
+#ifdef EAPI
+    if (item->func == NULL) {
+        cp = NULL;
+        ap_hook_use(ap_psprintf(r->pool, "ap::mod_log_config::log_%c", item->ch),
+                    AP_HOOK_SIG3(ptr,ptr,ptr), AP_HOOK_DECLINE(NULL),
+                    &cp, r, item->arg);
+    }
+    else
+#endif
     cp = (*item->func) (item->want_orig ? orig : r, item->arg);
     return cp ? cp : "-";
 }

+---------------------------------------------------------------------------
| Allow RewriteCond and RewriteRule directives to lookup 
| variables from other modules.
+---------------------------------------------------------------------------
Index: src/modules/standard/mod_rewrite.c
--- src/modules/standard/mod_rewrite.c	2000/01/21 18:06:43	1.1.1.7
+++ src/modules/standard/mod_rewrite.c	2000/01/21 19:51:11	1.5
@@ -3770,6 +3770,15 @@
     }
 #endif /* ndef WIN32 && NETWARE*/
 
+#ifdef EAPI
+    else {
+        ap_hook_use("ap::mod_rewrite::lookup_variable",
+                    AP_HOOK_SIG3(ptr,ptr,ptr), 
+                    AP_HOOK_DECLINE(NULL),
+                    &result, r, var);
+    }
+#endif
+
     if (result == NULL) {
         return ap_pstrdup(r->pool, "");
     }

+---------------------------------------------------------------------------
| Add an EAPI hook to allow other modules to add content to 
| the status HTML page.
+---------------------------------------------------------------------------
Index: src/modules/standard/mod_status.c
--- src/modules/standard/mod_status.c	2000/02/24 13:55:40	1.1.1.9
+++ src/modules/standard/mod_status.c	2000/02/24 13:58:17	1.6
@@ -708,6 +745,12 @@
 </table>\n", r);
 #endif
 	}
+
+#ifdef EAPI
+    ap_hook_use("ap::mod_status::display",
+                AP_HOOK_SIG4(void,ptr,int,int), AP_HOOK_ALL,
+                r, no_table_report, short_report);
+#endif
 
     } else {
 

+---------------------------------------------------------------------------
| Add hooks to the scheme processing to allow other modules to
| recognize more schemes by intercepting this processing.
+---------------------------------------------------------------------------
Index: src/modules/proxy/mod_proxy.c
--- src/modules/proxy/mod_proxy.c	2000/01/21 18:06:35	1.1.1.6
+++ src/modules/proxy/mod_proxy.c	2000/02/24 17:43:28	1.13
@@ -214,6 +214,9 @@
 static int proxy_fixup(request_rec *r)
 {
     char *url, *p;
+#ifdef EAPI
+    int rc;
+#endif /* EAPI */
 
     if (r->proxyreq == NOT_PROXY || strncmp(r->filename, "proxy:", 6) != 0)
 	return DECLINED;
@@ -221,6 +224,14 @@
     url = &r->filename[6];
 
 /* canonicalise each specific scheme */
+#ifdef EAPI
+    if (ap_hook_use("ap::mod_proxy::canon",
+                    AP_HOOK_SIG3(int,ptr,ptr),
+                    AP_HOOK_DECLINE(DECLINED),
+                    &rc, r, url) && rc != DECLINED)
+        return rc;  
+    else
+#endif /* EAPI */
     if (strncasecmp(url, "http:", 5) == 0)
 	return ap_proxy_http_canon(r, url + 5, "http", DEFAULT_HTTP_PORT);
     else if (strncasecmp(url, "ftp:", 4) == 0)
@@ -236,9 +247,44 @@
 static void proxy_init(server_rec *r, pool *p)
 {
     ap_proxy_garbage_init(r, p);
+#ifdef EAPI
+    ap_hook_use("ap::mod_proxy::init", 
+                AP_HOOK_SIG3(void,ptr,ptr), AP_HOOK_ALL, r, p);
+#endif
 }
-
 
+#ifdef EAPI
+static void proxy_addmod(module *m)
+{
+    /* export: ap_proxy_http_canon() as `ap::mod_proxy::http::canon' */
+    ap_hook_configure("ap::mod_proxy::http::canon", 
+                      AP_HOOK_SIG5(int,ptr,ptr,ptr,int), AP_HOOK_TOPMOST);
+    ap_hook_register("ap::mod_proxy::http::canon", 
+                     ap_proxy_http_canon, AP_HOOK_NOCTX);
+
+    /* export: ap_proxy_http_handler() as `ap::mod_proxy::http::handler' */
+    ap_hook_configure("ap::mod_proxy::http::handler", 
+                      AP_HOOK_SIG6(int,ptr,ptr,ptr,ptr,int), AP_HOOK_TOPMOST);
+    ap_hook_register("ap::mod_proxy::http::handler", 
+                     ap_proxy_http_handler, AP_HOOK_NOCTX);
+
+    /* export: ap_proxyerror() as `ap::mod_proxy::error' */
+    ap_hook_configure("ap::mod_proxy::error", 
+                      AP_HOOK_SIG3(int,ptr,ptr), AP_HOOK_TOPMOST);
+    ap_hook_register("ap::mod_proxy::error", 
+                     ap_proxyerror, AP_HOOK_NOCTX);
+    return;
+}
+
+static void proxy_remmod(module *m)
+{
+	/* remove the hook references */
+    ap_hook_unregister("ap::mod_proxy::http::canon", ap_proxy_http_canon);
+    ap_hook_unregister("ap::mod_proxy::http::handler", ap_proxy_http_handler);
+    ap_hook_unregister("ap::mod_proxy::error", ap_proxyerror);
+    return;
+}
+#endif /* EAPI */
 
 /* Send a redirection if the request contains a hostname which is not */
 /* fully qualified, i.e. doesn't have a domain name appended. Some proxy */
@@ -368,6 +414,14 @@
 		/* CONNECT is a special method that bypasses the normal
 		 * proxy code.
 		 */
+#ifdef EAPI
+		if (!ap_hook_use("ap::mod_proxy::handler",
+				 AP_HOOK_SIG7(int,ptr,ptr,ptr,ptr,int,ptr),
+				 AP_HOOK_DECLINE(DECLINED),
+				 &rc, r, cr, url, 
+				 ents[i].hostname, ents[i].port, 
+				 ents[i].protocol) || rc == DECLINED) {
+#endif /* EAPI */
 		if (r->method_number == M_CONNECT)
 		    rc = ap_proxy_connect_handler(r, cr, url, ents[i].hostname,
 					       ents[i].port);
@@ -377,6 +431,9 @@
 					    ents[i].port);
 		else
 		    rc = DECLINED;
+#ifdef EAPI
+		}
+#endif /* EAPI */
 
 		/* an error or success */
 		if (rc != DECLINED && rc != HTTP_BAD_GATEWAY)
@@ -390,6 +447,14 @@
  * give up??
  */
     /* handle the scheme */
+#ifdef EAPI
+    if (ap_hook_use("ap::mod_proxy::handler",
+		    AP_HOOK_SIG7(int,ptr,ptr,ptr,ptr,int,ptr),
+		    AP_HOOK_DECLINE(DECLINED),
+		    &rc, r, cr, url, 
+                    NULL, 0, scheme) && rc != DECLINED)
+        return rc;
+#endif /* EAPI */
     if (r->method_number == M_CONNECT)
 	return ap_proxy_connect_handler(r, cr, url, NULL, 0);
     if (strcasecmp(scheme, "http") == 0)
@@ -954,6 +1019,12 @@
     NULL,			/* child_init */
     NULL,			/* child_exit */
     proxy_detect		/* post read-request */
+#ifdef EAPI
+   ,proxy_addmod,		/* EAPI: add_module */
+    proxy_remmod,		/* EAPI: remove_module */
+    NULL,			/* EAPI: rewrite_command */
+    NULL			/* EAPI: new_connection  */
+#endif
 };
 
 

+---------------------------------------------------------------------------
| Add hooks to the HTTP processing to allow other modules
| to enhance it by intercepting this processing.
+---------------------------------------------------------------------------
Index: src/modules/proxy/proxy_http.c
--- src/modules/proxy/proxy_http.c	2000/01/21 18:06:36	1.1.1.7
+++ src/modules/proxy/proxy_http.c	2000/02/24 17:43:28	1.15
@@ -189,6 +189,9 @@
     const char *urlptr = NULL;
     const char *datestr;
     struct tbl_do_args tdo;
+#ifdef EAPI
+    char *peer;
+#endif
 
     void *sconf = r->server->module_config;
     proxy_server_conf *conf =
@@ -207,6 +210,12 @@
 	return HTTP_BAD_REQUEST;
     urlptr += 3;
     destport = DEFAULT_HTTP_PORT;
+#ifdef EAPI
+    ap_hook_use("ap::mod_proxy::http::handler::set_destport", 
+                AP_HOOK_SIG2(int,ptr), 
+                AP_HOOK_TOPMOST,
+                &destport, r);
+#endif /* EAPI */
     strp = strchr(urlptr, '/');
     if (strp == NULL) {
 	desthost = ap_pstrdup(p, urlptr);
@@ -243,12 +252,18 @@
 	err = ap_proxy_host2addr(proxyhost, &server_hp);
 	if (err != NULL)
 	    return DECLINED;	/* try another */
+#ifdef EAPI
+	peer = ap_psprintf(p, "%s:%u", proxyhost, proxyport);  
+#endif
     }
     else {
 	server.sin_port = htons(destport);
 	err = ap_proxy_host2addr(desthost, &server_hp);
 	if (err != NULL)
 	    return ap_proxyerror(r, HTTP_INTERNAL_SERVER_ERROR, err);
+#ifdef EAPI
+	peer =  ap_psprintf(p, "%s:%u", desthost, destport);  
+#endif
     }
 
     sock = ap_psocket(p, PF_INET, SOCK_STREAM, IPPROTO_TCP);
@@ -305,13 +320,41 @@
     f = ap_bcreate(p, B_RDWR | B_SOCKET);
     ap_bpushfd(f, sock, sock);
 
+#ifdef EAPI
+    {
+        char *errmsg = NULL;
+        ap_hook_use("ap::mod_proxy::http::handler::new_connection", 
+                    AP_HOOK_SIG4(ptr,ptr,ptr,ptr), 
+                    AP_HOOK_DECLINE(NULL),
+                    &errmsg, r, f, peer);
+        if (errmsg != NULL)
+            return ap_proxyerror(r, HTTP_BAD_GATEWAY, errmsg);
+    }
+#endif /* EAPI */
+
     ap_hard_timeout("proxy send", r);
     ap_bvputs(f, r->method, " ", proxyhost ? url : urlptr, " HTTP/1.0" CRLF,
 	   NULL);
+#ifdef EAPI
+    {
+	int rc = DECLINED;
+	ap_hook_use("ap::mod_proxy::http::handler::write_host_header", 
+		    AP_HOOK_SIG6(int,ptr,ptr,ptr,int,ptr), 
+		    AP_HOOK_DECLINE(DECLINED),
+		    &rc, r, f, desthost, destport, destportstr);
+        if (rc == DECLINED) {
+	    if (destportstr != NULL && destport != DEFAULT_HTTP_PORT)
+		ap_bvputs(f, "Host: ", desthost, ":", destportstr, CRLF, NULL);
+	    else
+		ap_bvputs(f, "Host: ", desthost, CRLF, NULL);
+        }
+    }
+#else /* EAPI */
     if (destportstr != NULL && destport != DEFAULT_HTTP_PORT)
 	ap_bvputs(f, "Host: ", desthost, ":", destportstr, CRLF, NULL);
     else
 	ap_bvputs(f, "Host: ", desthost, CRLF, NULL);
+#endif /* EAPI */
 
     if (conf->viaopt == via_block) {
 	/* Block all outgoing Via: headers */

+---------------------------------------------------------------------------
| Add EAPI hooks in module structure for APXS generated samples.
+---------------------------------------------------------------------------
Index: src/support/apxs.pl
--- src/support/apxs.pl	2000/02/24 13:55:48	1.1.1.7
+++ src/support/apxs.pl	2000/02/24 13:58:17	1.7
@@ -651,5 +651,11 @@
     NULL,                  /* child_init                          */
     NULL,                  /* child_exit                          */
     NULL                   /* [#0] post read-request              */
+#ifdef EAPI
+   ,NULL,                  /* EAPI: add_module                    */
+    NULL,                  /* EAPI: remove_module                 */
+    NULL,                  /* EAPI: rewrite_command               */
+    NULL                   /* EAPI: new_connection                */
+#endif
 };
 

+---------------------------------------------------------------------------
| Add the EAPI functions, so the stuff can be built under AIX
| and similar braindead platforms as DSO.
+---------------------------------------------------------------------------
Index: src/support/httpd.exp
--- src/support/httpd.exp	2000/01/21 18:07:02	1.1.1.7
+++ src/support/httpd.exp	2000/01/21 19:51:12	1.9
@@ -413,3 +413,59 @@
 XML_SetUnparsedEntityDeclHandler
 XML_SetUserData
 XML_UseParserAsHandlerArg
+ap_add_config_define
+ap_make_shared_sub_pool
+ap_global_ctx
+ap_ctx_new
+ap_ctx_get
+ap_ctx_set
+ap_hook_init
+ap_hook_kill
+ap_hook_configure
+ap_hook_register_I
+ap_hook_unregister_I
+ap_hook_status
+ap_hook_use
+ap_hook_call
+ap_mm_useable
+ap_MM_create
+ap_MM_permission
+ap_MM_destroy
+ap_MM_lock
+ap_MM_unlock
+ap_MM_malloc
+ap_MM_realloc
+ap_MM_free
+ap_MM_calloc
+ap_MM_strdup
+ap_MM_sizeof
+ap_MM_maxsize
+ap_MM_available
+ap_MM_error
+ap_mm_create
+ap_mm_permission
+ap_mm_destroy
+ap_mm_lock
+ap_mm_unlock
+ap_mm_malloc
+ap_mm_realloc
+ap_mm_free
+ap_mm_calloc
+ap_mm_strdup
+ap_mm_sizeof
+ap_mm_maxsize
+ap_mm_available
+ap_mm_error
+ap_mm_display_info
+ap_mm_core_create
+ap_mm_core_permission
+ap_mm_core_delete
+ap_mm_core_size
+ap_mm_core_lock
+ap_mm_core_unlock
+ap_mm_core_maxsegsize
+ap_mm_core_align2page
+ap_mm_core_align2word
+ap_mm_lib_error_set
+ap_mm_lib_error_get
+ap_mm_lib_version

+---------------------------------------------------------------------------
| Add the EAPI functions, so the stuff can be built under
| Windows 95 and similar braindead platforms as DDL.
+---------------------------------------------------------------------------
Index: src/ApacheCore.def
--- src/ApacheCore.def	2000/01/21 18:06:11	1.1.1.5
+++ src/ApacheCore.def	2000/01/26 08:00:38	1.7
@@ -360,3 +360,17 @@
 	ap_SHA1Final   @355
 	ap_sha1_base64   @356
         ap_send_error_response @357
+	ap_add_config_define   @358
+	ap_global_ctx   @359
+	ap_ctx_new   @360
+	ap_ctx_get   @361
+	ap_ctx_set   @362
+	ap_hook_init   @363
+	ap_hook_kill   @364
+	ap_hook_configure   @365
+	ap_hook_register_I   @366
+	ap_hook_unregister_I   @367
+	ap_hook_status   @368
+	ap_hook_use   @369
+	ap_hook_call   @370
+