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authorhongbotian <hongbo.tianhongbo@huawei.com>2015-11-30 01:45:08 -0500
committerhongbotian <hongbo.tianhongbo@huawei.com>2015-11-30 01:45:08 -0500
commite8ec7aa8e38a93f5b034ac74cebce5de23710317 (patch)
treeaa031937bf856c1f8d6ad7877b8d2cb0224da5ef /rubbos/app/httpd-2.0.64/modules/generators/mod_info.c
parentcc40af334e619bb549038238507407866f774f8f (diff)
upload http
JIRA: BOTTLENECK-10 Change-Id: I7598427ff904df438ce77c2819ee48ac75ffa8da Signed-off-by: hongbotian <hongbo.tianhongbo@huawei.com>
Diffstat (limited to 'rubbos/app/httpd-2.0.64/modules/generators/mod_info.c')
-rw-r--r--rubbos/app/httpd-2.0.64/modules/generators/mod_info.c533
1 files changed, 533 insertions, 0 deletions
diff --git a/rubbos/app/httpd-2.0.64/modules/generators/mod_info.c b/rubbos/app/httpd-2.0.64/modules/generators/mod_info.c
new file mode 100644
index 00000000..eb728442
--- /dev/null
+++ b/rubbos/app/httpd-2.0.64/modules/generators/mod_info.c
@@ -0,0 +1,533 @@
+/* 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.
+ */
+
+/*
+ * Info Module. Display configuration information for the server and
+ * all included modules.
+ *
+ * <Location /server-info>
+ * SetHandler server-info
+ * </Location>
+ *
+ * GET /server-info - Returns full configuration page for server and all modules
+ * GET /server-info?server - Returns server configuration only
+ * GET /server-info?module_name - Returns configuration for a single module
+ * GET /server-info?list - Returns quick list of included modules
+ *
+ * Rasmus Lerdorf <rasmus@vex.net>, May 1996
+ *
+ * 05.01.96 Initial Version
+ *
+ * Lou Langholtz <ldl@usi.utah.edu>, July 1997
+ *
+ * 07.11.97 Addition of the AddModuleInfo directive
+ *
+ * Ryan Morgan <rmorgan@covalent.net>
+ *
+ * 8.11.00 Port to Apache 2.0. Read configuation from the configuration
+ * tree rather than reparse the entire configuation file.
+ *
+ */
+
+#define CORE_PRIVATE
+
+#include "httpd.h"
+#include "http_config.h"
+#include "http_core.h"
+#include "http_log.h"
+#include "http_main.h"
+#include "http_protocol.h"
+#include "http_request.h"
+#include "util_script.h"
+#include "apr_strings.h"
+#include "apr_lib.h"
+#define APR_WANT_STRFUNC
+#include "apr_want.h"
+#include "ap_mpm.h"
+
+typedef struct {
+ const char *name; /* matching module name */
+ const char *info; /* additional info */
+} info_entry;
+
+typedef struct {
+ apr_array_header_t *more_info;
+} info_svr_conf;
+
+module AP_MODULE_DECLARE_DATA info_module;
+
+static void *create_info_config(apr_pool_t *p, server_rec *s)
+{
+ info_svr_conf *conf = (info_svr_conf *) apr_pcalloc(p, sizeof(info_svr_conf));
+
+ conf->more_info = apr_array_make(p, 20, sizeof(info_entry));
+ return conf;
+}
+
+static void *merge_info_config(apr_pool_t *p, void *basev, void *overridesv)
+{
+ info_svr_conf *new = (info_svr_conf *) apr_pcalloc(p, sizeof(info_svr_conf));
+ info_svr_conf *base = (info_svr_conf *) basev;
+ info_svr_conf *overrides = (info_svr_conf *) overridesv;
+
+ new->more_info = apr_array_append(p, overrides->more_info, base->more_info);
+ return new;
+}
+
+static void mod_info_html_cmd_string(request_rec *r, const char *string,
+ int close)
+{
+ const char *s;
+
+ s = string;
+ /* keep space for \0 byte */
+ while (*s) {
+ if (*s == '<') {
+ if (close) {
+ ap_rputs("&lt;/", r);
+ } else {
+ ap_rputs("&lt;", r);
+ }
+ }
+ else if (*s == '>') {
+ ap_rputs("&gt;", r);
+ }
+ else if (*s == '&') {
+ ap_rputs("&amp;", r);
+ }
+ else if (*s == ' ') {
+ if (close) {
+ ap_rputs("&gt;", r);
+ break;
+ } else {
+ ap_rputc(*s, r);
+ }
+ } else {
+ ap_rputc(*s, r);
+ }
+ s++;
+ }
+}
+
+static void mod_info_module_cmds(request_rec * r, const command_rec * cmds,
+ ap_directive_t * conftree)
+{
+ const command_rec *cmd;
+ ap_directive_t *tmptree = conftree;
+ char htmlstring[MAX_STRING_LEN];
+ int block_start = 0;
+ int nest = 0;
+
+ while (tmptree != NULL) {
+ cmd = cmds;
+ while (cmd->name) {
+ if ((cmd->name[0] != '<') &&
+ (strcasecmp(cmd->name, tmptree->directive) == 0)) {
+ if (nest > block_start) {
+ block_start++;
+ apr_snprintf(htmlstring, sizeof(htmlstring), "%s %s",
+ tmptree->parent->directive,
+ tmptree->parent->args);
+ ap_rputs("<dd><tt>", r);
+ mod_info_html_cmd_string(r, htmlstring, 0);
+ ap_rputs("</tt></dd>\n", r);
+ }
+ if (nest == 2) {
+ ap_rprintf(r, "<dd><tt>&nbsp;&nbsp;&nbsp;&nbsp;%s "
+ "<i>%s</i></tt></dd>\n",
+ ap_escape_html(r->pool,tmptree->directive),
+ ap_escape_html(r->pool,tmptree->args));
+ } else if (nest == 1) {
+ ap_rprintf(r,
+ "<dd><tt>&nbsp;&nbsp;%s <i>%s</i></tt></dd>\n",
+ ap_escape_html(r->pool,tmptree->directive),
+ ap_escape_html(r->pool,tmptree->args));
+ } else {
+ ap_rputs("<dd><tt>", r);
+ mod_info_html_cmd_string(r, tmptree->directive, 0);
+ ap_rprintf(r, " <i>%s</i></tt></dd>\n",
+ ap_escape_html(r->pool,tmptree->args));
+ }
+ }
+ ++cmd;
+ }
+ if (tmptree->first_child != NULL) {
+ tmptree = tmptree->first_child;
+ nest++;
+ } else if (tmptree->next != NULL) {
+ tmptree = tmptree->next;
+ } else {
+ if (block_start) {
+ apr_snprintf(htmlstring, sizeof(htmlstring), "%s %s",
+ tmptree->parent->directive,
+ tmptree->parent->args);
+ ap_rputs("<dd><tt>", r);
+ mod_info_html_cmd_string(r, htmlstring, 1);
+ ap_rputs("</tt></dd>\n", r);
+ block_start--;
+ }
+ if (tmptree->parent) {
+ tmptree = tmptree->parent->next;
+ }
+ else {
+ tmptree = NULL;
+ }
+ nest--;
+ }
+
+ }
+}
+
+typedef struct { /*XXX: should get something from apr_hooks.h instead */
+ void (*pFunc)(void); /* just to get the right size */
+ const char *szName;
+ const char * const *aszPredecessors;
+ const char * const *aszSuccessors;
+ int nOrder;
+} hook_struct_t;
+
+/*
+ * hook_get_t is a pointer to a function that takes void as an argument and
+ * returns a pointer to an apr_array_header_t. The nasty WIN32 ifdef
+ * is required to account for the fact that the ap_hook* calls all use
+ * STDCALL calling convention.
+ */
+typedef apr_array_header_t * (
+#ifdef WIN32
+__stdcall
+#endif
+* hook_get_t)(void);
+
+typedef struct {
+ const char *name;
+ hook_get_t get;
+} hook_lookup_t;
+
+static hook_lookup_t request_hooks[] = {
+ {"Post-Read Request", ap_hook_get_post_read_request},
+ {"Header Parse", ap_hook_get_header_parser},
+ {"Translate Path", ap_hook_get_translate_name},
+ {"Check Access", ap_hook_get_access_checker},
+ {"Verify User ID", ap_hook_get_check_user_id},
+ {"Verify User Access", ap_hook_get_auth_checker},
+ {"Check Type", ap_hook_get_type_checker},
+ {"Fixups", ap_hook_get_fixups},
+ {"Logging", ap_hook_get_log_transaction},
+ {NULL},
+};
+
+static int module_find_hook(module *modp,
+ hook_get_t hook_get)
+{
+ int i;
+ apr_array_header_t *hooks = hook_get();
+ hook_struct_t *elts;
+
+ if (!hooks) {
+ return 0;
+ }
+
+ elts = (hook_struct_t *)hooks->elts;
+
+ for (i=0; i< hooks->nelts; i++) {
+ if (strcmp(elts[i].szName, modp->name) == 0) {
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+static void module_participate(request_rec *r,
+ module *modp,
+ hook_lookup_t *lookup,
+ int *comma)
+{
+ if (module_find_hook(modp, lookup->get)) {
+ if (*comma) {
+ ap_rputs(", ", r);
+ }
+ ap_rvputs(r, "<tt>", lookup->name, "</tt>", NULL);
+ *comma = 1;
+ }
+}
+
+static void module_request_hook_participate(request_rec *r, module *modp)
+{
+ int i, comma=0;
+
+ ap_rputs("<dt><strong>Request Phase Participation:</strong>\n", r);
+
+ for (i=0; request_hooks[i].name; i++) {
+ module_participate(r, modp, &request_hooks[i], &comma);
+ }
+
+ if (!comma) {
+ ap_rputs("<tt> <em>none</em></tt>", r);
+ }
+ ap_rputs("</dt>\n", r);
+}
+
+static const char *find_more_info(server_rec *s, const char *module_name)
+{
+ int i;
+ info_svr_conf *conf = (info_svr_conf *) ap_get_module_config(s->module_config,
+ &info_module);
+ info_entry *entry = (info_entry *) conf->more_info->elts;
+
+ if (!module_name) {
+ return 0;
+ }
+ for (i = 0; i < conf->more_info->nelts; i++) {
+ if (!strcmp(module_name, entry->name)) {
+ return entry->info;
+ }
+ entry++;
+ }
+ return 0;
+}
+
+static int display_info(request_rec *r)
+{
+ module *modp = NULL;
+ const char *more_info;
+ const command_rec *cmd = NULL;
+#ifdef NEVERMORE
+ const handler_rec *hand = NULL;
+#endif
+ server_rec *serv = r->server;
+ int comma = 0;
+
+ if (strcmp(r->handler, "server-info"))
+ return DECLINED;
+
+ r->allowed |= (AP_METHOD_BIT << M_GET);
+ if (r->method_number != M_GET)
+ return DECLINED;
+
+ ap_set_content_type(r, "text/html; charset=ISO-8859-1");
+
+ ap_rputs(DOCTYPE_HTML_3_2
+ "<html><head><title>Server Information</title></head>\n", r);
+ ap_rputs("<body><h1 align=\"center\">Apache Server Information</h1>\n", r);
+ if (!r->args || strcasecmp(r->args, "list")) {
+ if (!r->args) {
+ ap_rputs("<dl><dt><tt><a href=\"#server\">Server Settings</a>, ", r);
+ for (modp = ap_top_module; modp; modp = modp->next) {
+ ap_rprintf(r, "<a href=\"#%s\">%s</a>", modp->name, modp->name);
+ if (modp->next) {
+ ap_rputs(", ", r);
+ }
+ }
+ ap_rputs("</tt></dt></dl><hr />", r);
+
+ }
+ if (!r->args || !strcasecmp(r->args, "server")) {
+ int max_daemons, forked, threaded;
+
+ ap_rprintf(r, "<dl><dt><a name=\"server\"><strong>Server Version:</strong> "
+ "<font size=\"+1\"><tt>%s</tt></font></a></dt>\n",
+ ap_get_server_version());
+ ap_rprintf(r, "<dt><strong>Server Built:</strong> "
+ "<font size=\"+1\"><tt>%s</tt></font></dt>\n",
+ ap_get_server_built());
+ ap_rprintf(r, "<dt><strong>API Version:</strong> "
+ "<tt>%d:%d</tt></dt>\n",
+ MODULE_MAGIC_NUMBER_MAJOR, MODULE_MAGIC_NUMBER_MINOR);
+ ap_rprintf(r, "<dt><strong>Hostname/port:</strong> "
+ "<tt>%s:%u</tt></dt>\n",
+ ap_get_server_name(r), ap_get_server_port(r));
+ ap_rprintf(r, "<dt><strong>Timeouts:</strong> "
+ "<tt>connection: %d &nbsp;&nbsp; "
+ "keep-alive: %d</tt></dt>",
+ (int)(apr_time_sec(serv->timeout)),
+ (int)(apr_time_sec(serv->timeout)));
+ ap_mpm_query(AP_MPMQ_MAX_DAEMON_USED, &max_daemons);
+ ap_mpm_query(AP_MPMQ_IS_THREADED, &threaded);
+ ap_mpm_query(AP_MPMQ_IS_FORKED, &forked);
+ ap_rprintf(r, "<dt><strong>MPM Name:</strong> <tt>%s</tt></dt>\n", ap_show_mpm());
+ ap_rprintf(r, "<dt><strong>MPM Information:</strong> "
+ "<tt>Max Daemons: %d Threaded: %s Forked: %s</tt></dt>\n",
+ max_daemons, threaded ? "yes" : "no",
+ forked ? "yes" : "no");
+ ap_rprintf(r, "<dt><strong>Server Root:</strong> "
+ "<tt>%s</tt></dt>\n", ap_server_root);
+ ap_rprintf(r, "<dt><strong>Config File:</strong> "
+ "<tt>%s</tt></dt>\n", ap_conftree->filename);
+ ap_rputs("</dl><hr />", r);
+ }
+ for (modp = ap_top_module; modp; modp = modp->next) {
+ if (!r->args || !strcasecmp(modp->name, r->args)) {
+ ap_rprintf(r, "<dl><dt><a name=\"%s\"><strong>Module Name:</strong> "
+ "<font size=\"+1\"><tt>%s</tt></font></a></dt>\n",
+ modp->name, modp->name);
+ ap_rputs("<dt><strong>Content handlers:</strong> ", r);
+#ifdef NEVERMORE
+ hand = modp->handlers;
+ if (hand) {
+ while (hand) {
+ if (hand->content_type) {
+ ap_rprintf(r, " <tt>%s</tt>\n", hand->content_type);
+ }
+ else {
+ break;
+ }
+ hand++;
+ if (hand && hand->content_type) {
+ ap_rputs(",", r);
+ }
+ }
+ }
+ else {
+ ap_rputs("<tt> <em>none</em></tt>", r);
+ }
+#else
+ if (module_find_hook(modp, ap_hook_get_handler)) {
+ ap_rputs("<tt> <em>yes</em></tt>", r);
+ }
+ else {
+ ap_rputs("<tt> <em>none</em></tt>", r);
+ }
+#endif
+ ap_rputs("</dt>", r);
+ ap_rputs("<dt><strong>Configuration Phase Participation:</strong>\n",
+ r);
+ if (modp->create_dir_config) {
+ if (comma) {
+ ap_rputs(", ", r);
+ }
+ ap_rputs("<tt>Create Directory Config</tt>", r);
+ comma = 1;
+ }
+ if (modp->merge_dir_config) {
+ if (comma) {
+ ap_rputs(", ", r);
+ }
+ ap_rputs("<tt>Merge Directory Configs</tt>", r);
+ comma = 1;
+ }
+ if (modp->create_server_config) {
+ if (comma) {
+ ap_rputs(", ", r);
+ }
+ ap_rputs("<tt>Create Server Config</tt>", r);
+ comma = 1;
+ }
+ if (modp->merge_server_config) {
+ if (comma) {
+ ap_rputs(", ", r);
+ }
+ ap_rputs("<tt>Merge Server Configs</tt>", r);
+ comma = 1;
+ }
+ if (!comma)
+ ap_rputs("<tt> <em>none</em></tt>", r);
+ comma = 0;
+ ap_rputs("</dt>", r);
+
+ module_request_hook_participate(r, modp);
+
+ cmd = modp->cmds;
+ if (cmd) {
+ ap_rputs("<dt><strong>Module Directives:</strong></dt>", r);
+ while (cmd) {
+ if (cmd->name) {
+ ap_rputs("<dd><tt>", r);
+ mod_info_html_cmd_string(r, cmd->name, 0);
+ ap_rputs(" - <i>", r);
+ if (cmd->errmsg) {
+ ap_rputs(cmd->errmsg, r);
+ }
+ ap_rputs("</i></tt></dd>\n", r);
+ }
+ else {
+ break;
+ }
+ cmd++;
+ }
+ ap_rputs("<dt><strong>Current Configuration:</strong></dt>\n", r);
+ mod_info_module_cmds(r, modp->cmds, ap_conftree);
+ }
+ else {
+ ap_rputs("<dt><strong>Module Directives:</strong> <tt>none</tt></dt>", r);
+ }
+ more_info = find_more_info(serv, modp->name);
+ if (more_info) {
+ ap_rputs("<dt><strong>Additional Information:</strong>\n</dt><dd>",
+ r);
+ ap_rputs(more_info, r);
+ ap_rputs("</dd>", r);
+ }
+ ap_rputs("</dl><hr />\n", r);
+ if (r->args) {
+ break;
+ }
+ }
+ }
+ if (!modp && r->args && strcasecmp(r->args, "server")) {
+ ap_rputs("<p><b>No such module</b></p>\n", r);
+ }
+ }
+ else {
+ ap_rputs("<dl><dt>Server Module List</dt>", r);
+ for (modp = ap_top_module; modp; modp = modp->next) {
+ ap_rputs("<dd>", r);
+ ap_rputs(modp->name, r);
+ ap_rputs("</dd>", r);
+ }
+ ap_rputs("</dl><hr />", r);
+ }
+ ap_rputs(ap_psignature("",r), r);
+ ap_rputs("</body></html>\n", r);
+ /* Done, turn off timeout, close file and return */
+ return 0;
+}
+
+static const char *add_module_info(cmd_parms *cmd, void *dummy,
+ const char *name, const char *info)
+{
+ server_rec *s = cmd->server;
+ info_svr_conf *conf = (info_svr_conf *) ap_get_module_config(s->module_config,
+ &info_module);
+ info_entry *new = apr_array_push(conf->more_info);
+
+ new->name = name;
+ new->info = info;
+ return NULL;
+}
+
+static const command_rec info_cmds[] =
+{
+ AP_INIT_TAKE2("AddModuleInfo", add_module_info, NULL, RSRC_CONF,
+ "a module name and additional information on that module"),
+ {NULL}
+};
+
+static void register_hooks(apr_pool_t *p)
+{
+ ap_hook_handler(display_info, NULL, NULL, APR_HOOK_MIDDLE);
+}
+
+module AP_MODULE_DECLARE_DATA info_module =
+{
+ STANDARD20_MODULE_STUFF,
+ NULL, /* dir config creater */
+ NULL, /* dir merger --- default is to override */
+ create_info_config, /* server config */
+ merge_info_config, /* merge server config */
+ info_cmds, /* command apr_table_t */
+ register_hooks
+};