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author | 2015-11-30 01:45:08 -0500 | |
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committer | 2015-11-30 01:45:08 -0500 | |
commit | e8ec7aa8e38a93f5b034ac74cebce5de23710317 (patch) | |
tree | aa031937bf856c1f8d6ad7877b8d2cb0224da5ef /rubbos/app/httpd-2.0.64/modules/mappers/mod_dir.c | |
parent | cc40af334e619bb549038238507407866f774f8f (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/mappers/mod_dir.c')
-rw-r--r-- | rubbos/app/httpd-2.0.64/modules/mappers/mod_dir.c | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/rubbos/app/httpd-2.0.64/modules/mappers/mod_dir.c b/rubbos/app/httpd-2.0.64/modules/mappers/mod_dir.c new file mode 100644 index 00000000..9191b7f0 --- /dev/null +++ b/rubbos/app/httpd-2.0.64/modules/mappers/mod_dir.c @@ -0,0 +1,247 @@ +/* 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_dir.c: handle default index files, and trailing-/ redirects + */ + +#include "apr_strings.h" +#include "ap_config.h" +#include "httpd.h" +#include "http_config.h" +#include "http_core.h" +#include "http_request.h" +#include "http_protocol.h" +#include "http_log.h" +#include "http_main.h" +#include "util_script.h" + +module AP_MODULE_DECLARE_DATA dir_module; + +typedef enum { + SLASH_OFF = 0, + SLASH_ON, + SLASH_UNSET +} slash_cfg; + +typedef struct dir_config_struct { + apr_array_header_t *index_names; + slash_cfg do_slash; +} dir_config_rec; + +#define DIR_CMD_PERMS OR_INDEXES + +static const char *add_index(cmd_parms *cmd, void *dummy, const char *arg) +{ + dir_config_rec *d = dummy; + + if (!d->index_names) { + d->index_names = apr_array_make(cmd->pool, 2, sizeof(char *)); + } + *(const char **)apr_array_push(d->index_names) = arg; + return NULL; +} + +static const char *configure_slash(cmd_parms *cmd, void *d_, int arg) +{ + dir_config_rec *d = d_; + + d->do_slash = arg ? SLASH_ON : SLASH_OFF; + return NULL; +} + +static const command_rec dir_cmds[] = +{ + AP_INIT_ITERATE("DirectoryIndex", add_index, NULL, DIR_CMD_PERMS, + "a list of file names"), + AP_INIT_FLAG("DirectorySlash", configure_slash, NULL, DIR_CMD_PERMS, + "On or Off"), + {NULL} +}; + +static void *create_dir_config(apr_pool_t *p, char *dummy) +{ + dir_config_rec *new = apr_pcalloc(p, sizeof(dir_config_rec)); + + new->index_names = NULL; + new->do_slash = SLASH_UNSET; + return (void *) new; +} + +static void *merge_dir_configs(apr_pool_t *p, void *basev, void *addv) +{ + dir_config_rec *new = apr_pcalloc(p, sizeof(dir_config_rec)); + dir_config_rec *base = (dir_config_rec *)basev; + dir_config_rec *add = (dir_config_rec *)addv; + + new->index_names = add->index_names ? add->index_names : base->index_names; + new->do_slash = + (add->do_slash == SLASH_UNSET) ? base->do_slash : add->do_slash; + return new; +} + +static int fixup_dir(request_rec *r) +{ + dir_config_rec *d; + char *dummy_ptr[1]; + char **names_ptr; + int num_names; + int error_notfound = 0; + + /* only handle requests against directories */ + if (r->finfo.filetype != APR_DIR) { + return DECLINED; + } + + /* In case mod_mime wasn't present, and no handler was assigned. */ + if (!r->handler) { + r->handler = DIR_MAGIC_TYPE; + } + + /* Never tolerate path_info on dir requests */ + if (r->path_info && *r->path_info) { + return DECLINED; + } + + d = (dir_config_rec *)ap_get_module_config(r->per_dir_config, + &dir_module); + + /* Redirect requests that are not '/' terminated */ + if (r->uri[0] == '\0' || r->uri[strlen(r->uri) - 1] != '/') + { + char *ifile; + + if (!d->do_slash) { + return DECLINED; + } + + /* Only redirect non-get requests if we have no note to warn + * that this browser cannot handle redirs on non-GET requests + * (such as Microsoft's WebFolders). + */ + if ((r->method_number != M_GET) + && apr_table_get(r->subprocess_env, "redirect-carefully")) { + return DECLINED; + } + + if (r->args != NULL) { + ifile = apr_pstrcat(r->pool, ap_escape_uri(r->pool, r->uri), + "/", "?", r->args, NULL); + } + else { + ifile = apr_pstrcat(r->pool, ap_escape_uri(r->pool, r->uri), + "/", NULL); + } + + apr_table_setn(r->headers_out, "Location", + ap_construct_url(r->pool, ifile, r)); + return HTTP_MOVED_PERMANENTLY; + } + + if (strcmp(r->handler, DIR_MAGIC_TYPE)) { + return DECLINED; + } + + if (d->index_names) { + names_ptr = (char **)d->index_names->elts; + num_names = d->index_names->nelts; + } + else { + dummy_ptr[0] = AP_DEFAULT_INDEX; + names_ptr = dummy_ptr; + num_names = 1; + } + + for (; num_names; ++names_ptr, --num_names) { + /* XXX: Is this name_ptr considered escaped yet, or not??? */ + char *name_ptr = *names_ptr; + request_rec *rr; + + /* Once upon a time args were handled _after_ the successful redirect. + * But that redirect might then _refuse_ the given r->args, creating + * a nasty tangle. It seems safer to consider the r->args while we + * determine if name_ptr is our viable index, and therefore set them + * up correctly on redirect. + */ + if (r->args != NULL) { + name_ptr = apr_pstrcat(r->pool, name_ptr, "?", r->args, NULL); + } + + rr = ap_sub_req_lookup_uri(name_ptr, r, NULL); + + /* XXX: (filetype == APR_REG) - we can't use a non-file index??? */ + if ( rr->status == HTTP_OK + && ( (rr->handler && !strcmp(rr->handler, "proxy-server")) + || rr->finfo.filetype == APR_REG)) { + ap_internal_fast_redirect(rr, r); + return OK; + } + + /* If the request returned a redirect, propagate it to the client */ + + if (ap_is_HTTP_REDIRECT(rr->status) + || (rr->status == HTTP_NOT_ACCEPTABLE && num_names == 1) + || (rr->status == HTTP_UNAUTHORIZED && num_names == 1)) { + + apr_pool_join(r->pool, rr->pool); + error_notfound = rr->status; + r->notes = apr_table_overlay(r->pool, r->notes, rr->notes); + r->headers_out = apr_table_overlay(r->pool, r->headers_out, + rr->headers_out); + r->err_headers_out = apr_table_overlay(r->pool, r->err_headers_out, + rr->err_headers_out); + return error_notfound; + } + + /* If the request returned something other than 404 (or 200), + * it means the module encountered some sort of problem. To be + * secure, we should return the error, rather than allow autoindex + * to create a (possibly unsafe) directory index. + * + * So we store the error, and if none of the listed files + * exist, we return the last error response we got, instead + * of a directory listing. + */ + if (rr->status && rr->status != HTTP_NOT_FOUND + && rr->status != HTTP_OK) { + error_notfound = rr->status; + } + + ap_destroy_sub_req(rr); + } + + if (error_notfound) { + return error_notfound; + } + + /* nothing for us to do, pass on through */ + return DECLINED; +} + +static void register_hooks(apr_pool_t *p) +{ + ap_hook_fixups(fixup_dir,NULL,NULL,APR_HOOK_LAST); +} + +module AP_MODULE_DECLARE_DATA dir_module = { + STANDARD20_MODULE_STUFF, + create_dir_config, /* create per-directory config structure */ + merge_dir_configs, /* merge per-directory config structures */ + NULL, /* create per-server config structure */ + NULL, /* merge per-server config structures */ + dir_cmds, /* command apr_table_t */ + register_hooks /* register hooks */ +}; |