Mercurial > hg > nginx-quic
view src/http/modules/ngx_http_index_module.c @ 4009:3183165283cc
Fixing proxy_set_body and proxy_pass_request_body with SSL.
Flush flag wasn't set in constructed buffer and this prevented any data
from being actually sent to upstream due to SSL buffering. Make sure
we always set flush in the last buffer we are going to sent.
See here for report:
http://nginx.org/pipermail/nginx-ru/2011-June/041552.html
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Thu, 18 Aug 2011 16:34:24 +0000 |
parents | 84905c7b2aa7 |
children | d620f497c50f |
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/* * Copyright (C) Igor Sysoev */ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_http.h> typedef struct { ngx_str_t name; ngx_array_t *lengths; ngx_array_t *values; } ngx_http_index_t; typedef struct { ngx_array_t *indices; /* array of ngx_http_index_t */ size_t max_index_len; } ngx_http_index_loc_conf_t; #define NGX_HTTP_DEFAULT_INDEX "index.html" static ngx_int_t ngx_http_index_test_dir(ngx_http_request_t *r, ngx_http_core_loc_conf_t *clcf, u_char *path, u_char *last); static ngx_int_t ngx_http_index_error(ngx_http_request_t *r, ngx_http_core_loc_conf_t *clcf, u_char *file, ngx_err_t err); static ngx_int_t ngx_http_index_init(ngx_conf_t *cf); static void *ngx_http_index_create_loc_conf(ngx_conf_t *cf); static char *ngx_http_index_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child); static char *ngx_http_index_set_index(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); static ngx_command_t ngx_http_index_commands[] = { { ngx_string("index"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, ngx_http_index_set_index, NGX_HTTP_LOC_CONF_OFFSET, 0, NULL }, ngx_null_command }; static ngx_http_module_t ngx_http_index_module_ctx = { NULL, /* preconfiguration */ ngx_http_index_init, /* postconfiguration */ NULL, /* create main configuration */ NULL, /* init main configuration */ NULL, /* create server configuration */ NULL, /* merge server configuration */ ngx_http_index_create_loc_conf, /* create location configration */ ngx_http_index_merge_loc_conf /* merge location configration */ }; ngx_module_t ngx_http_index_module = { NGX_MODULE_V1, &ngx_http_index_module_ctx, /* module context */ ngx_http_index_commands, /* module directives */ NGX_HTTP_MODULE, /* module type */ NULL, /* init master */ NULL, /* init module */ NULL, /* init process */ NULL, /* init thread */ NULL, /* exit thread */ NULL, /* exit process */ NULL, /* exit master */ NGX_MODULE_V1_PADDING }; /* * Try to open/test the first index file before the test of directory * existence because valid requests should be much more than invalid ones. * If the file open()/stat() would fail, then the directory stat() should * be more quickly because some data is already cached in the kernel. * Besides, Win32 may return ERROR_PATH_NOT_FOUND (NGX_ENOTDIR) at once. * Unix has ENOTDIR error, however, it's less helpful than Win32's one: * it only indicates that path contains an usual file in place of directory. */ static ngx_int_t ngx_http_index_handler(ngx_http_request_t *r) { u_char *p, *name; size_t len, root, reserve, allocated; ngx_int_t rc; ngx_str_t path, uri; ngx_uint_t i, dir_tested; ngx_http_index_t *index; ngx_open_file_info_t of; ngx_http_script_code_pt code; ngx_http_script_engine_t e; ngx_http_core_loc_conf_t *clcf; ngx_http_index_loc_conf_t *ilcf; ngx_http_script_len_code_pt lcode; if (r->uri.data[r->uri.len - 1] != '/') { return NGX_DECLINED; } if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD|NGX_HTTP_POST))) { return NGX_DECLINED; } ilcf = ngx_http_get_module_loc_conf(r, ngx_http_index_module); clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); allocated = 0; root = 0; dir_tested = 0; name = NULL; /* suppress MSVC warning */ path.data = NULL; index = ilcf->indices->elts; for (i = 0; i < ilcf->indices->nelts; i++) { if (index[i].lengths == NULL) { if (index[i].name.data[0] == '/') { return ngx_http_internal_redirect(r, &index[i].name, &r->args); } reserve = ilcf->max_index_len; len = index[i].name.len; } else { ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); e.ip = index[i].lengths->elts; e.request = r; e.flushed = 1; /* 1 is for terminating '\0' as in static names */ len = 1; while (*(uintptr_t *) e.ip) { lcode = *(ngx_http_script_len_code_pt *) e.ip; len += lcode(&e); } /* 16 bytes are preallocation */ reserve = len + 16; } if (reserve > allocated) { name = ngx_http_map_uri_to_path(r, &path, &root, reserve); if (name == NULL) { return NGX_ERROR; } allocated = path.data + path.len - name; } if (index[i].values == NULL) { /* index[i].name.len includes the terminating '\0' */ ngx_memcpy(name, index[i].name.data, index[i].name.len); path.len = (name + index[i].name.len - 1) - path.data; } else { e.ip = index[i].values->elts; e.pos = name; while (*(uintptr_t *) e.ip) { code = *(ngx_http_script_code_pt *) e.ip; code((ngx_http_script_engine_t *) &e); } if (*name == '/') { uri.len = len - 1; uri.data = name; return ngx_http_internal_redirect(r, &uri, &r->args); } path.len = e.pos - path.data; *e.pos = '\0'; } ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "open index \"%V\"", &path); ngx_memzero(&of, sizeof(ngx_open_file_info_t)); of.read_ahead = clcf->read_ahead; of.directio = clcf->directio; of.valid = clcf->open_file_cache_valid; of.min_uses = clcf->open_file_cache_min_uses; of.test_only = 1; of.errors = clcf->open_file_cache_errors; of.events = clcf->open_file_cache_events; if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) != NGX_OK) { ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, of.err, "%s \"%s\" failed", of.failed, path.data); if (of.err == 0) { return NGX_HTTP_INTERNAL_SERVER_ERROR; } if (of.err == NGX_ENOTDIR || of.err == NGX_ENAMETOOLONG || of.err == NGX_EACCES) { return ngx_http_index_error(r, clcf, path.data, of.err); } if (!dir_tested) { rc = ngx_http_index_test_dir(r, clcf, path.data, name - 1); if (rc != NGX_OK) { return rc; } dir_tested = 1; } if (of.err == NGX_ENOENT) { continue; } ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err, "%s \"%s\" failed", of.failed, path.data); return NGX_HTTP_INTERNAL_SERVER_ERROR; } uri.len = r->uri.len + len - 1; if (!clcf->alias) { uri.data = path.data + root; } else { uri.data = ngx_pnalloc(r->pool, uri.len); if (uri.data == NULL) { return NGX_HTTP_INTERNAL_SERVER_ERROR; } p = ngx_copy(uri.data, r->uri.data, r->uri.len); ngx_memcpy(p, name, len - 1); } return ngx_http_internal_redirect(r, &uri, &r->args); } return NGX_DECLINED; } static ngx_int_t ngx_http_index_test_dir(ngx_http_request_t *r, ngx_http_core_loc_conf_t *clcf, u_char *path, u_char *last) { u_char c; ngx_str_t dir; ngx_open_file_info_t of; c = *last; if (c != '/' || path == last) { /* "alias" without trailing slash */ c = *(++last); } *last = '\0'; dir.len = last - path; dir.data = path; ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "http index check dir: \"%V\"", &dir); ngx_memzero(&of, sizeof(ngx_open_file_info_t)); of.test_dir = 1; of.test_only = 1; of.valid = clcf->open_file_cache_valid; of.errors = clcf->open_file_cache_errors; if (ngx_open_cached_file(clcf->open_file_cache, &dir, &of, r->pool) != NGX_OK) { if (of.err) { if (of.err == NGX_ENOENT) { *last = c; return ngx_http_index_error(r, clcf, dir.data, NGX_ENOENT); } if (of.err == NGX_EACCES) { *last = c; /* * ngx_http_index_test_dir() is called after the first index * file testing has returned an error distinct from NGX_EACCES. * This means that directory searching is allowed. */ return NGX_OK; } ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err, "%s \"%s\" failed", of.failed, dir.data); } return NGX_HTTP_INTERNAL_SERVER_ERROR; } *last = c; if (of.is_dir) { return NGX_OK; } ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, "\"%s\" is not a directory", dir.data); return NGX_HTTP_INTERNAL_SERVER_ERROR; } static ngx_int_t ngx_http_index_error(ngx_http_request_t *r, ngx_http_core_loc_conf_t *clcf, u_char *file, ngx_err_t err) { if (err == NGX_EACCES) { ngx_log_error(NGX_LOG_ERR, r->connection->log, err, "\"%s\" is forbidden", file); return NGX_HTTP_FORBIDDEN; } if (clcf->log_not_found) { ngx_log_error(NGX_LOG_ERR, r->connection->log, err, "\"%s\" is not found", file); } return NGX_HTTP_NOT_FOUND; } static void * ngx_http_index_create_loc_conf(ngx_conf_t *cf) { ngx_http_index_loc_conf_t *conf; conf = ngx_palloc(cf->pool, sizeof(ngx_http_index_loc_conf_t)); if (conf == NULL) { return NULL; } conf->indices = NULL; conf->max_index_len = 0; return conf; } static char * ngx_http_index_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) { ngx_http_index_loc_conf_t *prev = parent; ngx_http_index_loc_conf_t *conf = child; ngx_http_index_t *index; if (conf->indices == NULL) { conf->indices = prev->indices; conf->max_index_len = prev->max_index_len; } if (conf->indices == NULL) { conf->indices = ngx_array_create(cf->pool, 1, sizeof(ngx_http_index_t)); if (conf->indices == NULL) { return NGX_CONF_ERROR; } index = ngx_array_push(conf->indices); if (index == NULL) { return NGX_CONF_ERROR; } index->name.len = sizeof(NGX_HTTP_DEFAULT_INDEX); index->name.data = (u_char *) NGX_HTTP_DEFAULT_INDEX; index->lengths = NULL; index->values = NULL; conf->max_index_len = sizeof(NGX_HTTP_DEFAULT_INDEX); return NGX_CONF_OK; } return NGX_CONF_OK; } static ngx_int_t ngx_http_index_init(ngx_conf_t *cf) { ngx_http_handler_pt *h; ngx_http_core_main_conf_t *cmcf; cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); h = ngx_array_push(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers); if (h == NULL) { return NGX_ERROR; } *h = ngx_http_index_handler; return NGX_OK; } /* TODO: warn about duplicate indices */ static char * ngx_http_index_set_index(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) { ngx_http_index_loc_conf_t *ilcf = conf; ngx_str_t *value; ngx_uint_t i, n; ngx_http_index_t *index; ngx_http_script_compile_t sc; if (ilcf->indices == NULL) { ilcf->indices = ngx_array_create(cf->pool, 2, sizeof(ngx_http_index_t)); if (ilcf->indices == NULL) { return NGX_CONF_ERROR; } } value = cf->args->elts; for (i = 1; i < cf->args->nelts; i++) { if (value[i].data[0] == '/' && i != cf->args->nelts - 1) { ngx_conf_log_error(NGX_LOG_WARN, cf, 0, "only the last index in \"index\" directive " "should be absolute"); } if (value[i].len == 0) { ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "index \"%V\" in \"index\" directive is invalid", &value[1]); return NGX_CONF_ERROR; } index = ngx_array_push(ilcf->indices); if (index == NULL) { return NGX_CONF_ERROR; } index->name.len = value[i].len; index->name.data = value[i].data; index->lengths = NULL; index->values = NULL; n = ngx_http_script_variables_count(&value[i]); if (n == 0) { if (ilcf->max_index_len < index->name.len) { ilcf->max_index_len = index->name.len; } if (index->name.data[0] == '/') { continue; } /* include the terminating '\0' to the length to use ngx_memcpy() */ index->name.len++; continue; } ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); sc.cf = cf; sc.source = &value[i]; sc.lengths = &index->lengths; sc.values = &index->values; sc.variables = n; sc.complete_lengths = 1; sc.complete_values = 1; if (ngx_http_script_compile(&sc) != NGX_OK) { return NGX_CONF_ERROR; } } return NGX_CONF_OK; }