new file mode 100644
--- /dev/null
+++ b/src/http/modules/ngx_http_fastcgi_module.c
@@ -0,0 +1,2292 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ */
+
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+#include <ngx_http.h>
+#include <nginx.h>
+
+
+typedef struct {
+    ngx_http_upstream_conf_t        upstream;
+
+    ngx_peers_t                    *peers;
+
+    ngx_uint_t                      params;
+
+    ngx_str_t                       root;
+    ngx_str_t                       index;
+
+    ngx_array_t                    *vars;
+
+    ngx_str_t                      *location;
+} ngx_http_fastcgi_loc_conf_t;
+
+
+typedef struct {
+    ngx_list_t                      headers;
+
+    ngx_table_elt_t                *status;
+
+    ngx_table_elt_t                *content_type;
+    ngx_table_elt_t                *content_length;
+    ngx_table_elt_t                *x_powered_by;
+
+#if (NGX_HTTP_GZIP)
+    ngx_table_elt_t                *content_encoding;
+#endif
+} ngx_http_fastcgi_headers_in_t;
+
+
+typedef struct {
+    ngx_http_fastcgi_headers_in_t   headers_in;
+} ngx_http_fastcgi_upstream_t;
+
+
+typedef enum {
+    ngx_http_fastcgi_st_version = 0,
+    ngx_http_fastcgi_st_type,
+    ngx_http_fastcgi_st_request_id_hi,
+    ngx_http_fastcgi_st_request_id_lo,
+    ngx_http_fastcgi_st_content_length_hi,
+    ngx_http_fastcgi_st_content_length_lo,
+    ngx_http_fastcgi_st_padding_length,
+    ngx_http_fastcgi_st_reserved,
+    ngx_http_fastcgi_st_data,
+    ngx_http_fastcgi_st_padding,
+} ngx_http_fastcgi_state_e;
+
+
+typedef struct {
+    ngx_http_fastcgi_state_e      state;
+    u_char                       *pos;
+    u_char                       *last;
+    ngx_uint_t                    type;
+    size_t                        length;
+    size_t                        padding;
+
+    ngx_uint_t                    header;
+
+    ngx_http_fastcgi_upstream_t  *upstream;
+} ngx_http_fastcgi_ctx_t;
+
+
+#define NGX_HTTP_FASTCGI_REMOTE_ADDR          0x00000002
+#define NGX_HTTP_FASTCGI_REMOTE_USER          0x00000004
+#define NGX_HTTP_FASTCGI_SERVER_NAME          0x00000008
+#define NGX_HTTP_FASTCGI_SERVER_ADDR          0x00000010
+#define NGX_HTTP_FASTCGI_SERVER_PORT          0x00000020
+#define NGX_HTTP_FASTCGI_SCRIPT_NAME          0x00000040
+#define NGX_HTTP_FASTCGI_AUTH_TYPE            0x00000080
+#define NGX_HTTP_FASTCGI_SERVER_PROTOCOL      0x00000100
+#define NGX_HTTP_FASTCGI_SERVER_SOFTWARE      0x00000200
+#define NGX_HTTP_FASTCGI_GATEWAY_INTERFACE    0x00000400
+#define NGX_HTTP_FASTCGI_REQUEST_URI          0x00000800
+#define NGX_HTTP_FASTCGI_REDIRECT_STATUS      0x00001000
+#define NGX_HTTP_FASTCGI_DOCUMENT_ROOT        0x00002000
+#define NGX_HTTP_FASTCGI_SCRIPT_FILENAME      0x00004000
+#define NGX_HTTP_FASTCGI_REMOTE_PORT          0x00008000
+
+
+#define NGX_HTTP_FASTCGI_RESPONDER      1
+
+#define NGX_HTTP_FASTCGI_BEGIN_REQUEST  1
+#define NGX_HTTP_FASTCGI_ABORT_REQUEST  2
+#define NGX_HTTP_FASTCGI_END_REQUEST    3
+#define NGX_HTTP_FASTCGI_PARAMS         4
+#define NGX_HTTP_FASTCGI_STDIN          5
+#define NGX_HTTP_FASTCGI_STDOUT         6
+#define NGX_HTTP_FASTCGI_STDERR         7
+#define NGX_HTTP_FASTCGI_DATA           8
+
+
+typedef struct {
+    u_char  version;
+    u_char  type;
+    u_char  request_id_hi;
+    u_char  request_id_lo;
+    u_char  content_length_hi;
+    u_char  content_length_lo;
+    u_char  padding_length;
+    u_char  reserved;
+} ngx_http_fastcgi_header_t;
+
+
+typedef struct {
+    u_char  role_hi;
+    u_char  role_lo;
+    u_char  flags;
+    u_char  reserved[5];
+} ngx_http_fastcgi_begin_request_t;
+
+
+static ngx_int_t ngx_http_fastcgi_create_request(ngx_http_request_t *r);
+static ngx_int_t ngx_http_fastcgi_reinit_request(ngx_http_request_t *r);
+static ngx_int_t ngx_http_fastcgi_process_header(ngx_http_request_t *r);
+static ngx_int_t ngx_http_fastcgi_send_header(ngx_http_request_t *r);
+static ngx_int_t ngx_http_fastcgi_input_filter(ngx_event_pipe_t *p,
+    ngx_buf_t *buf);
+static ngx_int_t ngx_http_fastcgi_process_record(ngx_http_request_t *r,
+    ngx_http_fastcgi_ctx_t *f);
+static void ngx_http_fastcgi_abort_request(ngx_http_request_t *r);
+static void ngx_http_fastcgi_finalize_request(ngx_http_request_t *r,
+    ngx_int_t rc);
+
+static char *ngx_http_fastcgi_pass(ngx_conf_t *cf, ngx_command_t *cmd,
+    void *conf);
+static char *ngx_http_fastcgi_set_var(ngx_conf_t *cf, ngx_command_t *cmd,
+    void *conf);
+static char *ngx_http_fastcgi_lowat_check(ngx_conf_t *cf, void *post,
+    void *data);
+static void *ngx_http_fastcgi_create_loc_conf(ngx_conf_t *cf);
+static char *ngx_http_fastcgi_merge_loc_conf(ngx_conf_t *cf,
+    void *parent, void *child);
+
+
+static ngx_str_t ngx_http_fastcgi_methods[] = {
+    ngx_string("GET"),
+    ngx_string("HEAD"),
+    ngx_string("POST")
+};
+
+
+static ngx_str_t ngx_http_fastcgi_uri = ngx_string("/");
+
+
+static ngx_http_header_t ngx_http_fastcgi_headers_in[] = {
+    { ngx_string("Status"), offsetof(ngx_http_fastcgi_headers_in_t, status) },
+
+    { ngx_string("Content-Type"),
+                 offsetof(ngx_http_fastcgi_headers_in_t, content_type) },
+
+    { ngx_string("Content-Length"),
+                 offsetof(ngx_http_fastcgi_headers_in_t, content_length) },
+
+    { ngx_string("X-Powered-By"),
+                 offsetof(ngx_http_fastcgi_headers_in_t, x_powered_by) },
+
+#if (NGX_HTTP_GZIP)
+    { ngx_string("Content-Encoding"),
+                 offsetof(ngx_http_fastcgi_headers_in_t, content_encoding) },
+#endif
+
+    { ngx_null_string, 0 }
+};
+
+
+static ngx_conf_post_t  ngx_http_fastcgi_lowat_post =
+                                              { ngx_http_fastcgi_lowat_check };
+
+static ngx_conf_bitmask_t  ngx_http_fastcgi_next_upstream_masks[] = {
+    { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
+    { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
+    { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
+    { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
+    { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
+    { ngx_null_string, 0 }
+};
+
+
+static ngx_conf_bitmask_t  ngx_http_fastcgi_params_masks[] = {
+    { ngx_string("remote_addr"), NGX_HTTP_FASTCGI_REMOTE_ADDR },
+    { ngx_string("server_port"), NGX_HTTP_FASTCGI_SERVER_PORT },
+    { ngx_string("server_addr"), NGX_HTTP_FASTCGI_SERVER_ADDR },
+    { ngx_string("server_name"), NGX_HTTP_FASTCGI_SERVER_NAME },
+    { ngx_string("script_name"), NGX_HTTP_FASTCGI_SCRIPT_NAME },
+
+    { ngx_string("server_protocol"), NGX_HTTP_FASTCGI_SERVER_PROTOCOL },
+    { ngx_string("server_software"), NGX_HTTP_FASTCGI_SERVER_SOFTWARE },
+    { ngx_string("gateway_interface"), NGX_HTTP_FASTCGI_GATEWAY_INTERFACE },
+
+    { ngx_string("redirect_status"), NGX_HTTP_FASTCGI_REDIRECT_STATUS },
+    { ngx_string("request_uri"), NGX_HTTP_FASTCGI_REQUEST_URI },
+
+    { ngx_string("document_root"), NGX_HTTP_FASTCGI_DOCUMENT_ROOT },
+    { ngx_string("script_filename"), NGX_HTTP_FASTCGI_SCRIPT_FILENAME },
+    { ngx_string("remote_port"), NGX_HTTP_FASTCGI_REMOTE_PORT },
+
+    { ngx_null_string, 0 }
+};
+
+
+static ngx_command_t  ngx_http_fastcgi_commands[] = {
+
+    { ngx_string("fastcgi_pass"),
+      NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+      ngx_http_fastcgi_pass,
+      NGX_HTTP_LOC_CONF_OFFSET,
+      0,
+      NULL },
+
+    { ngx_string("fastcgi_root"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+      ngx_conf_set_str_slot,
+      NGX_HTTP_LOC_CONF_OFFSET,
+      offsetof(ngx_http_fastcgi_loc_conf_t, root),
+      NULL },
+
+    { ngx_string("fastcgi_index"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+      ngx_conf_set_str_slot,
+      NGX_HTTP_LOC_CONF_OFFSET,
+      offsetof(ngx_http_fastcgi_loc_conf_t, index),
+      NULL },
+
+    { ngx_string("fastcgi_connect_timeout"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+      ngx_conf_set_msec_slot,
+      NGX_HTTP_LOC_CONF_OFFSET,
+      offsetof(ngx_http_fastcgi_loc_conf_t, upstream.connect_timeout),
+      NULL },
+
+    { ngx_string("fastcgi_send_timeout"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+      ngx_conf_set_msec_slot,
+      NGX_HTTP_LOC_CONF_OFFSET,
+      offsetof(ngx_http_fastcgi_loc_conf_t, upstream.send_timeout),
+      NULL },
+
+    { ngx_string("fastcgi_send_lowat"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+      ngx_conf_set_size_slot,
+      NGX_HTTP_LOC_CONF_OFFSET,
+      offsetof(ngx_http_fastcgi_loc_conf_t, upstream.send_lowat),
+      &ngx_http_fastcgi_lowat_post },
+
+    { ngx_string("fastcgi_header_buffer_size"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+      ngx_conf_set_size_slot,
+      NGX_HTTP_LOC_CONF_OFFSET,
+      offsetof(ngx_http_fastcgi_loc_conf_t, upstream.header_buffer_size),
+      NULL },
+
+    { ngx_string("fastcgi_redirect_errors"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
+      ngx_conf_set_flag_slot,
+      NGX_HTTP_LOC_CONF_OFFSET,
+      offsetof(ngx_http_fastcgi_loc_conf_t, upstream.redirect_errors),
+      NULL },
+
+    { ngx_string("fastcgi_x_powered_by"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
+      ngx_conf_set_flag_slot,
+      NGX_HTTP_LOC_CONF_OFFSET,
+      offsetof(ngx_http_fastcgi_loc_conf_t, upstream.x_powered_by),
+      NULL },
+
+    { ngx_string("fastcgi_read_timeout"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+      ngx_conf_set_msec_slot,
+      NGX_HTTP_LOC_CONF_OFFSET,
+      offsetof(ngx_http_fastcgi_loc_conf_t, upstream.read_timeout),
+      NULL },
+
+    { ngx_string("fastcgi_buffers"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
+      ngx_conf_set_bufs_slot,
+      NGX_HTTP_LOC_CONF_OFFSET,
+      offsetof(ngx_http_fastcgi_loc_conf_t, upstream.bufs),
+      NULL },
+
+    { ngx_string("fastcgi_busy_buffers_size"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+      ngx_conf_set_size_slot,
+      NGX_HTTP_LOC_CONF_OFFSET,
+      offsetof(ngx_http_fastcgi_loc_conf_t, upstream.busy_buffers_size),
+      NULL },
+
+    { ngx_string("fastcgi_temp_path"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
+      ngx_conf_set_path_slot,
+      NGX_HTTP_LOC_CONF_OFFSET,
+      offsetof(ngx_http_fastcgi_loc_conf_t, upstream.temp_path),
+      (void *) ngx_garbage_collector_temp_handler },
+
+    { ngx_string("fastcgi_max_temp_file_size"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+      ngx_conf_set_size_slot,
+      NGX_HTTP_LOC_CONF_OFFSET,
+      offsetof(ngx_http_fastcgi_loc_conf_t, upstream.max_temp_file_size),
+      NULL },
+
+    { ngx_string("fastcgi_temp_file_write_size"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+      ngx_conf_set_size_slot,
+      NGX_HTTP_LOC_CONF_OFFSET,
+      offsetof(ngx_http_fastcgi_loc_conf_t, upstream.temp_file_write_size),
+      NULL },
+
+    { ngx_string("fastcgi_next_upstream"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_ANY,
+      ngx_conf_set_bitmask_slot,
+      NGX_HTTP_LOC_CONF_OFFSET,
+      offsetof(ngx_http_fastcgi_loc_conf_t, upstream.next_upstream),
+      &ngx_http_fastcgi_next_upstream_masks },
+
+    { ngx_string("fastcgi_set_var"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+      ngx_http_fastcgi_set_var,
+      NGX_HTTP_LOC_CONF_OFFSET,
+      0,
+      NULL },
+
+    { ngx_string("fastcgi_params"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_ANY,
+      ngx_conf_set_bitmask_slot,
+      NGX_HTTP_LOC_CONF_OFFSET,
+      offsetof(ngx_http_fastcgi_loc_conf_t, params),
+      &ngx_http_fastcgi_params_masks },
+
+      ngx_null_command
+};
+
+
+ngx_http_module_t  ngx_http_fastcgi_module_ctx = {
+    NULL,                                  /* pre conf */
+
+    NULL,                                  /* create main configuration */
+    NULL,                                  /* init main configuration */
+
+    NULL,                                  /* create server configuration */
+    NULL,                                  /* merge server configuration */
+
+    ngx_http_fastcgi_create_loc_conf,      /* create location configuration */
+    ngx_http_fastcgi_merge_loc_conf        /* merge location configuration */
+};
+
+
+ngx_module_t  ngx_http_fastcgi_module = {
+    NGX_MODULE,
+    &ngx_http_fastcgi_module_ctx,          /* module context */
+    ngx_http_fastcgi_commands,             /* module directives */
+    NGX_HTTP_MODULE,                       /* module type */
+    NULL,                                  /* init module */
+    NULL                                   /* init process */
+};
+
+
+static ngx_int_t
+ngx_http_fastcgi_handler(ngx_http_request_t *r)
+{
+    ngx_int_t                     rc;
+    ngx_http_upstream_t          *u;
+    ngx_http_fastcgi_loc_conf_t  *flcf;
+
+    flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module);
+
+    u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t));
+    if (u == NULL) {
+        return NGX_HTTP_INTERNAL_SERVER_ERROR;
+    }
+
+    u->peer.log = r->connection->log;
+    u->peer.log_error = NGX_ERROR_ERR;
+    u->peer.peers = flcf->peers;
+    u->peer.tries = flcf->peers->number;
+#if (NGX_THREADS)
+    u->peer.lock = &r->connection->lock;
+#endif
+
+    u->output.tag = (ngx_buf_tag_t) &ngx_http_fastcgi_module;
+
+    u->conf = &flcf->upstream;
+
+    u->location = flcf->location;
+
+    u->create_request = ngx_http_fastcgi_create_request;
+    u->reinit_request = ngx_http_fastcgi_reinit_request;
+    u->process_header = ngx_http_fastcgi_process_header;
+    u->send_header = ngx_http_fastcgi_send_header;
+    u->abort_request = ngx_http_fastcgi_abort_request;
+    u->finalize_request = ngx_http_fastcgi_finalize_request;
+
+    u->pipe.input_filter = ngx_http_fastcgi_input_filter;
+    u->pipe.input_ctx = r;
+
+    u->log_ctx = r->connection->log->data;
+    u->log_handler = ngx_http_upstream_log_error;
+
+    u->schema.len = sizeof("fastcgi://") - 1;
+    u->schema.data = (u_char *) "fastcgi://";
+    u->uri.len = sizeof("/") - 1;
+    u->uri.data = (u_char *) "/";
+
+    r->upstream = u;
+
+    rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
+
+    if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
+        return rc;
+    }
+
+    return NGX_DONE;
+}
+
+
+static ngx_int_t
+ngx_http_fastcgi_create_request(ngx_http_request_t *r)
+{
+    u_char                             ch, *pos, addr_text[INET_ADDRSTRLEN],
+                                       port_text[sizeof("65535") - 1];
+    size_t                             size, len, index, padding,
+                                       addr_len, port_len;
+    off_t                              file_pos;
+    ngx_buf_t                         *b;
+    socklen_t                          slen;
+    ngx_chain_t                       *cl, *body;
+    ngx_uint_t                         i, n, next, *vindex, port;
+    ngx_list_part_t                   *part;
+    ngx_table_elt_t                   *header;
+    struct sockaddr_in                 sin, *sinp;
+    ngx_http_variable_t               *var;
+    ngx_http_variable_value_t         *value;
+    ngx_http_core_loc_conf_t          *clcf;
+    ngx_http_core_main_conf_t         *cmcf;
+    ngx_http_fastcgi_header_t         *h;
+    ngx_http_fastcgi_loc_conf_t       *flcf;
+    ngx_http_fastcgi_begin_request_t  *br;
+
+
+    flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module);
+
+    if ((flcf->params & NGX_HTTP_FASTCGI_SERVER_ADDR) && r->in_addr == 0) {
+
+        slen = sizeof(struct sockaddr_in);
+        if (getsockname(r->connection->fd,
+                        (struct sockaddr *) &sin, &slen) == -1)
+        {
+            ngx_log_error(NGX_LOG_CRIT, r->connection->log,
+                          ngx_socket_errno, "getsockname() failed");
+            return NGX_ERROR;
+        }
+
+        r->in_addr = sin.sin_addr.s_addr;
+    }
+
+    addr_len = ngx_inet_ntop(r->connection->listening->family, &r->in_addr,
+                             addr_text, INET_ADDRSTRLEN);
+    if (addr_len == 0) {
+        return NGX_ERROR;
+    }
+
+#if (NGX_SUPPRESS_WARN)
+    clcf = NULL;
+    var = NULL;
+    vindex = NULL;
+#endif
+
+
+    if (r->upstream->method) {
+        len = 1 + 1 + sizeof("REQUEST_METHOD") - 1
+                + ngx_http_fastcgi_methods[r->upstream->method - 1].len;
+    
+    } else {
+        len = 1 + ((r->method_name.len - 1 > 127) ? 4 : 1)
+                                            + sizeof("REQUEST_METHOD") - 1
+                                            + r->method_name.len - 1;
+    }
+
+
+    index = (r->uri.data[r->uri.len - 1] == '/') ? flcf->index.len : 0;
+
+    len += 1 + ((flcf->root.len + r->uri.len + index > 127) ? 4 : 1)
+        + sizeof("PATH_TRANSLATED") - 1 + flcf->root.len + r->uri.len + index;
+
+    if (r->args.len) {
+        len += 1 + ((r->args.len > 127) ? 4 : 1) + sizeof("QUERY_STRING") - 1
+            + r->args.len;
+    }
+
+    if (r->headers_in.content_length_n > 0) {
+        len += 1 + ((r->headers_in.content_length->value.len > 127) ? 4 : 1)
+            + sizeof("CONTENT_LENGTH") - 1
+            + r->headers_in.content_length->value.len;
+    }
+
+
+    if (r->headers_in.content_type) {
+        len += 1 + ((r->headers_in.content_type->value.len > 127) ? 4 : 1)
+            + sizeof("CONTENT_TYPE") - 1
+            + r->headers_in.content_type->value.len;
+    }
+
+
+    if (flcf->params & NGX_HTTP_FASTCGI_REDIRECT_STATUS) {
+        len += 1 + 1 + sizeof("REDIRECT_STATUS200") - 1;
+    }
+
+    if (flcf->params & NGX_HTTP_FASTCGI_REQUEST_URI) {
+        len += 1 + ((r->unparsed_uri.len > 127) ? 4 : 1)
+            + sizeof("REQUEST_URI") - 1 + r->unparsed_uri.len;
+    }
+
+    if (flcf->params & NGX_HTTP_FASTCGI_DOCUMENT_ROOT) {
+        clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
+        len += 1 + ((clcf->root.len > 127) ? 4 : 1)
+            + sizeof("DOCUMENT_ROOT") - 1 + clcf->root.len;
+    }
+
+    if (flcf->params & NGX_HTTP_FASTCGI_SCRIPT_FILENAME) {
+        len += 1 + ((flcf->root.len + r->uri.len + index > 127) ? 4 : 1)
+            + sizeof("SCRIPT_FILENAME") - 1
+            + flcf->root.len + r->uri.len + index;
+    }
+
+    if (flcf->params & NGX_HTTP_FASTCGI_SCRIPT_NAME) {
+        len += 1 + ((r->uri.len + index > 127) ? 4 : 1)
+            + sizeof("SCRIPT_NAME") - 1 + r->uri.len + index ;
+    }
+
+    if (flcf->params & NGX_HTTP_FASTCGI_REMOTE_ADDR) {
+        len += 1 + 1 + sizeof("REMOTE_ADDR") - 1 + r->connection->addr_text.len;
+    }
+
+    port_len = 0;
+
+    if (flcf->params & NGX_HTTP_FASTCGI_REMOTE_PORT) {
+
+        /* AF_INET only */
+
+        if (r->connection->sockaddr->sa_family == AF_INET) {
+            sinp = (struct sockaddr_in *) r->connection->sockaddr;
+
+            port = ntohs(sinp->sin_port);
+
+            if (port > 0 && port < 65536) {
+                port_len = ngx_sprintf(port_text, "%ui", port) - port_text;
+            }
+
+            len += 1 + 1 + sizeof("REMOTE_PORT") - 1 + port_len;
+        }
+    }
+
+    if (flcf->params & NGX_HTTP_FASTCGI_SERVER_NAME) {
+        len += 1 + 1 + sizeof("SERVER_NAME") - 1 + r->server_name.len;
+    }
+
+    if (flcf->params & NGX_HTTP_FASTCGI_SERVER_PORT) {
+        len += 1 + 1 + sizeof("SERVER_PORT") - 1 + r->port_text->len - 1;
+    }
+
+    if (flcf->params & NGX_HTTP_FASTCGI_SERVER_ADDR) {
+        len += 1 + 1 + sizeof("SERVER_ADDR") - 1 + addr_len;
+    }
+
+    if (flcf->params & NGX_HTTP_FASTCGI_SERVER_PROTOCOL
+        && r->http_protocol.len)
+    {
+        len += 1 + ((r->http_protocol.len > 127) ? 4 : 1)
+            + sizeof("SERVER_PROTOCOL") - 1 + r->http_protocol.len;
+    }
+
+    if (flcf->params & NGX_HTTP_FASTCGI_SERVER_SOFTWARE) {
+        len += 1 + 1 + sizeof("SERVER_SOFTWARE") - 1 + sizeof(NGINX_VER) - 1;
+    }
+
+    if (flcf->params & NGX_HTTP_FASTCGI_GATEWAY_INTERFACE) {
+        len += 1 + 1 + sizeof("GATEWAY_INTERFACE") - 1 + sizeof("CGI/1.1") - 1;
+    }
+
+
+    if (flcf->vars) {
+        cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
+
+        var = cmcf->variables.elts;
+        vindex = flcf->vars->elts;
+
+        for (i = 0; i < flcf->vars->nelts; i++) {
+
+            value = ngx_http_get_indexed_variable(r, vindex[i]);
+            if (value == NULL) {
+                continue;
+            }
+
+            if (value->text.len) {
+                len += 1 + 1 + var[vindex[i]].name.len + value->text.len;
+            }
+        }
+    }
+
+
+    part = &r->headers_in.headers.part;
+    header = part->elts;
+
+    for (i = 0; /* void */; i++) {
+
+        if (i >= part->nelts) {
+            if (part->next == NULL) {
+                break;
+            }
+
+            part = part->next;
+            header = part->elts;
+            i = 0;
+        }
+
+        len += ((header[i].key.len > 127) ? 4 : 1)
+            + ((header[i].value.len > 127) ? 4 : 1)
+            + 5 + header[i].key.len + header[i].value.len;
+    }
+
+
+    if (len > 65535) {
+        ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
+                      "fastcgi: the request record is too big");
+        return NGX_ERROR;
+    }
+
+
+    padding = 8 - len % 8;
+    padding = (padding == 8) ? 0 : padding;
+
+
+    size = sizeof(ngx_http_fastcgi_header_t)
+           + sizeof(ngx_http_fastcgi_begin_request_t)
+
+           + sizeof(ngx_http_fastcgi_header_t)  /* NGX_HTTP_FASTCGI_PARAMS */
+           + len + padding
+           + sizeof(ngx_http_fastcgi_header_t)  /* NGX_HTTP_FASTCGI_PARAMS */
+
+           + sizeof(ngx_http_fastcgi_header_t); /* NGX_HTTP_FASTCGI_STDIN */
+
+
+    b = ngx_create_temp_buf(r->pool, size);
+    if (b == NULL) {
+        return NGX_ERROR;
+    }
+
+    cl = ngx_alloc_chain_link(r->pool);
+    if (cl == NULL) {
+        return NGX_ERROR;
+    }
+
+    cl->buf = b;
+
+    h = (ngx_http_fastcgi_header_t *) b->pos;
+
+    h->version = 1;
+    h->type = NGX_HTTP_FASTCGI_BEGIN_REQUEST;
+    h->request_id_hi = 0;
+    h->request_id_lo = 1;
+    h->content_length_hi = 0;
+    h->content_length_lo = sizeof(ngx_http_fastcgi_begin_request_t);
+    h->padding_length = 0;
+    h->reserved = 0;
+
+    br = (ngx_http_fastcgi_begin_request_t *)
+                                  (b->pos + sizeof(ngx_http_fastcgi_header_t));
+    br->role_hi = 0;
+    br->role_lo = NGX_HTTP_FASTCGI_RESPONDER;
+    br->flags = 0; /* NGX_HTTP_FASTCGI_KEEP_CONN */
+    br->reserved[0] = 0;
+    br->reserved[1] = 0;
+    br->reserved[2] = 0;
+    br->reserved[3] = 0;
+    br->reserved[4] = 0;
+
+    h = (ngx_http_fastcgi_header_t *)
+             (b->pos + sizeof(ngx_http_fastcgi_header_t)
+                     + sizeof(ngx_http_fastcgi_begin_request_t));
+
+    h->version = 1;
+    h->type = NGX_HTTP_FASTCGI_PARAMS;
+    h->request_id_hi = 0;
+    h->request_id_lo = 1;
+    h->content_length_hi = (u_char) ((len >> 8) & 0xff);
+    h->content_length_lo = (u_char) (len & 0xff);
+    h->padding_length = (u_char) padding;
+    h->reserved = 0;
+
+    b->last = b->pos + sizeof(ngx_http_fastcgi_header_t)
+                     + sizeof(ngx_http_fastcgi_begin_request_t)
+                     + sizeof(ngx_http_fastcgi_header_t);
+
+
+    *b->last++ = sizeof("PATH_TRANSLATED") - 1;
+
+    len = flcf->root.len + r->uri.len + index;
+    if (len > 127) {
+        *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
+        *b->last++ = (u_char) ((len >> 16) & 0xff);
+        *b->last++ = (u_char) ((len >> 8) & 0xff);
+        *b->last++ = (u_char) (len & 0xff);
+
+    } else {
+        *b->last++ = (u_char) len;
+    }
+
+    b->last = ngx_cpymem(b->last, "PATH_TRANSLATED",
+                         sizeof("PATH_TRANSLATED") - 1);
+    b->last = ngx_cpymem(b->last, flcf->root.data, flcf->root.len);
+    b->last = ngx_cpymem(b->last, r->uri.data, r->uri.len);
+
+    if (index) {
+        b->last = ngx_cpymem(b->last, flcf->index.data, index);
+    }
+
+
+    *b->last++ = sizeof("REQUEST_METHOD") - 1;
+
+    if (r->upstream->method) {
+        *b->last++ = (u_char)
+                         ngx_http_fastcgi_methods[r->upstream->method - 1].len;
+
+        b->last = ngx_cpymem(b->last, "REQUEST_METHOD",
+                             sizeof("REQUEST_METHOD") - 1);
+
+        b->last = ngx_cpymem(b->last,
+                        ngx_http_fastcgi_methods[r->upstream->method - 1].data,
+                        ngx_http_fastcgi_methods[r->upstream->method - 1].len);
+
+    } else {
+        len = r->method_name.len - 1;
+        if (len > 127) {
+            *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
+            *b->last++ = (u_char) ((len >> 16) & 0xff);
+            *b->last++ = (u_char) ((len >> 8) & 0xff);
+            *b->last++ = (u_char) (len & 0xff);
+
+        } else {
+            *b->last++ = (u_char) len;
+        }
+
+        b->last = ngx_cpymem(b->last, "REQUEST_METHOD",
+                             sizeof("REQUEST_METHOD") - 1);
+        b->last = ngx_cpymem(b->last, r->method_name.data, len);
+    }
+
+
+    if (r->args.len) {
+        *b->last++ = sizeof("QUERY_STRING") - 1;
+
+        len = r->args.len;
+        if (len > 127) {
+            *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
+            *b->last++ = (u_char) ((len >> 16) & 0xff);
+            *b->last++ = (u_char) ((len >> 8) & 0xff);
+            *b->last++ = (u_char) (len & 0xff);
+
+        } else {
+            *b->last++ = (u_char) len;
+        }
+
+        b->last = ngx_cpymem(b->last, "QUERY_STRING",
+                             sizeof("QUERY_STRING") - 1);
+        b->last = ngx_cpymem(b->last, r->args.data, len);
+    }
+
+
+    if (r->headers_in.content_length_n > 0) {
+        *b->last++ = sizeof("CONTENT_LENGTH") - 1;
+
+        len = r->headers_in.content_length->value.len;
+        if (len > 127) {
+            *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
+            *b->last++ = (u_char) ((len >> 16) & 0xff);
+            *b->last++ = (u_char) ((len >> 8) & 0xff);
+            *b->last++ = (u_char) (len & 0xff);
+
+        } else {
+            *b->last++ = (u_char) len;
+        }
+
+        b->last = ngx_cpymem(b->last, "CONTENT_LENGTH",
+                             sizeof("CONTENT_LENGTH") - 1);
+        b->last = ngx_cpymem(b->last, r->headers_in.content_length->value.data,
+                             len);
+    }
+
+
+    if (r->headers_in.content_type) {
+        *b->last++ = sizeof("CONTENT_TYPE") - 1;
+
+        len = r->headers_in.content_type->value.len;
+        if (len > 127) {
+            *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
+            *b->last++ = (u_char) ((len >> 16) & 0xff);
+            *b->last++ = (u_char) ((len >> 8) & 0xff);
+            *b->last++ = (u_char) (len & 0xff);
+
+        } else {
+            *b->last++ = (u_char) len;
+        }
+
+        b->last = ngx_cpymem(b->last, "CONTENT_TYPE",
+                             sizeof("CONTENT_TYPE") - 1);
+        b->last = ngx_cpymem(b->last, r->headers_in.content_type->value.data,
+                             len);
+    }
+
+
+    if (flcf->params & NGX_HTTP_FASTCGI_REDIRECT_STATUS) {
+        *b->last++ = sizeof("REDIRECT_STATUS") - 1;
+        *b->last++ = sizeof("200") - 1;
+        b->last = ngx_cpymem(b->last, "REDIRECT_STATUS200",
+                             sizeof("REDIRECT_STATUS200") - 1);
+    }
+
+
+    if (flcf->params & NGX_HTTP_FASTCGI_REQUEST_URI) {
+        *b->last++ = sizeof("REQUEST_URI") - 1;
+
+        len = r->unparsed_uri.len;
+        if (len > 127) {
+            *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
+            *b->last++ = (u_char) ((len >> 16) & 0xff);
+            *b->last++ = (u_char) ((len >> 8) & 0xff);
+            *b->last++ = (u_char) (len & 0xff);
+
+        } else {
+            *b->last++ = (u_char) len;
+        }
+
+        b->last = ngx_cpymem(b->last, "REQUEST_URI", sizeof("REQUEST_URI") - 1);
+        b->last = ngx_cpymem(b->last, r->unparsed_uri.data, len);
+    }
+
+
+    if (flcf->params & NGX_HTTP_FASTCGI_DOCUMENT_ROOT) {
+        *b->last++ = sizeof("DOCUMENT_ROOT") - 1;
+
+        len = clcf->root.len;
+        if (len > 127) {
+            *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
+            *b->last++ = (u_char) ((len >> 16) & 0xff);
+            *b->last++ = (u_char) ((len >> 8) & 0xff);
+            *b->last++ = (u_char) (len & 0xff);
+
+        } else {
+            *b->last++ = (u_char) len;
+        }
+
+        b->last = ngx_cpymem(b->last, "DOCUMENT_ROOT",
+                             sizeof("DOCUMENT_ROOT") - 1);
+        b->last = ngx_cpymem(b->last, clcf->root.data, len);
+    }
+
+
+    if (flcf->params & NGX_HTTP_FASTCGI_SCRIPT_FILENAME) {
+        *b->last++ = sizeof("SCRIPT_FILENAME") - 1;
+
+        len = flcf->root.len + r->uri.len + index;
+        if (len > 127) {
+            *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
+            *b->last++ = (u_char) ((len >> 16) & 0xff);
+            *b->last++ = (u_char) ((len >> 8) & 0xff);
+            *b->last++ = (u_char) (len & 0xff);
+
+        } else {
+            *b->last++ = (u_char) len;
+        }
+
+        b->last = ngx_cpymem(b->last, "SCRIPT_FILENAME",
+                             sizeof("SCRIPT_FILENAME") - 1);
+        b->last = ngx_cpymem(b->last, flcf->root.data, flcf->root.len);
+        b->last = ngx_cpymem(b->last, r->uri.data, r->uri.len);
+
+        if (index) {
+            b->last = ngx_cpymem(b->last, flcf->index.data, index);
+        }
+    }
+
+
+    if (flcf->params & NGX_HTTP_FASTCGI_SCRIPT_NAME) {
+        *b->last++ = sizeof("SCRIPT_NAME") - 1;
+
+        len = r->uri.len + index;
+        if (len > 127) {
+            *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
+            *b->last++ = (u_char) ((len >> 16) & 0xff);
+            *b->last++ = (u_char) ((len >> 8) & 0xff);
+            *b->last++ = (u_char) (len & 0xff);
+
+        } else {
+            *b->last++ = (u_char) len;
+        }
+
+        b->last = ngx_cpymem(b->last, "SCRIPT_NAME", sizeof("SCRIPT_NAME") - 1);
+        b->last = ngx_cpymem(b->last, r->uri.data, r->uri.len);
+
+        if (index) {
+            b->last = ngx_cpymem(b->last, flcf->index.data, index);
+        }
+    }
+
+
+    if (flcf->params & NGX_HTTP_FASTCGI_REMOTE_ADDR) {
+        *b->last++ = sizeof("REMOTE_ADDR") - 1;
+        *b->last++ = (u_char) (r->connection->addr_text.len);
+        b->last = ngx_cpymem(b->last, "REMOTE_ADDR", sizeof("REMOTE_ADDR") - 1);
+        b->last = ngx_cpymem(b->last, r->connection->addr_text.data,
+                             r->connection->addr_text.len);
+    }
+
+
+    if (port_len) {
+        *b->last++ = sizeof("REMOTE_PORT") - 1;
+        *b->last++ = (u_char) port_len;
+        b->last = ngx_cpymem(b->last, "REMOTE_PORT", sizeof("REMOTE_PORT") - 1);
+        b->last = ngx_cpymem(b->last, port_text, port_len);
+    }
+
+
+    if (flcf->params & NGX_HTTP_FASTCGI_SERVER_NAME) {
+        *b->last++ = sizeof("SERVER_NAME") - 1;
+        *b->last++ = (u_char) r->server_name.len;
+        b->last = ngx_cpymem(b->last, "SERVER_NAME", sizeof("SERVER_NAME") - 1);
+        b->last = ngx_cpymem(b->last, r->server_name.data, r->server_name.len);
+    }
+
+
+    if (flcf->params & NGX_HTTP_FASTCGI_SERVER_PORT) {
+        *b->last++ = sizeof("SERVER_PORT") - 1;
+        *b->last++ = (u_char) (r->port_text->len - 1);
+        b->last = ngx_cpymem(b->last, "SERVER_PORT", sizeof("SERVER_PORT") - 1);
+        b->last = ngx_cpymem(b->last, r->port_text->data + 1,
+                             r->port_text->len - 1);
+    }
+
+
+    if (flcf->params & NGX_HTTP_FASTCGI_SERVER_ADDR) {
+        *b->last++ = sizeof("SERVER_ADDR") - 1;
+        *b->last++ = (u_char) addr_len;
+        b->last = ngx_cpymem(b->last, "SERVER_ADDR", sizeof("SERVER_ADDR") - 1);
+        b->last = ngx_cpymem(b->last, addr_text, addr_len);
+    }
+
+
+    if (flcf->params & NGX_HTTP_FASTCGI_SERVER_PROTOCOL
+        && r->http_protocol.len)
+    {
+        *b->last++ = sizeof("SERVER_PROTOCOL") - 1;
+
+        len = r->http_protocol.len;
+        if (len > 127) {
+            *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
+            *b->last++ = (u_char) ((len >> 16) & 0xff);
+            *b->last++ = (u_char) ((len >> 8) & 0xff);
+            *b->last++ = (u_char) (len & 0xff);
+
+        } else {
+            *b->last++ = (u_char) len;
+        }
+
+        b->last = ngx_cpymem(b->last, "SERVER_PROTOCOL",
+                             sizeof("SERVER_PROTOCOL") - 1);
+        b->last = ngx_cpymem(b->last, r->http_protocol.data, len);
+    }
+
+
+    if (flcf->params & NGX_HTTP_FASTCGI_SERVER_SOFTWARE) {
+        *b->last++ = sizeof("SERVER_SOFTWARE") - 1;
+        *b->last++ = (u_char) (sizeof(NGINX_VER) - 1);
+        b->last = ngx_cpymem(b->last, "SERVER_SOFTWARE",
+                             sizeof("SERVER_SOFTWARE") - 1);
+        b->last = ngx_cpymem(b->last, NGINX_VER, sizeof(NGINX_VER) - 1);
+    }
+
+
+    if (flcf->params & NGX_HTTP_FASTCGI_GATEWAY_INTERFACE) {
+        *b->last++ = sizeof("GATEWAY_INTERFACE") - 1;
+        *b->last++ = (u_char) (sizeof("CGI/1.1") - 1);
+        b->last = ngx_cpymem(b->last, "GATEWAY_INTERFACE",
+                             sizeof("GATEWAY_INTERFACE") - 1);
+        b->last = ngx_cpymem(b->last, "CGI/1.1", sizeof("CGI/1.1") - 1);
+    }
+
+
+    if (flcf->vars) {
+        for (i = 0; i < flcf->vars->nelts; i++) {
+
+            value = ngx_http_get_indexed_variable(r, vindex[i]);
+            if (value == NULL) {
+                continue;
+            }
+
+            if (value->text.len == 0) {
+                continue;
+            }
+
+            *b->last++ = (u_char) var[vindex[i]].name.len;
+            *b->last++ = (u_char) value->text.len;
+
+            b->last = ngx_cpymem(b->last, var[vindex[i]].name.data,
+                                 var[vindex[i]].name.len);
+
+            b->last = ngx_cpymem(b->last, value->text.data, value->text.len);
+        }
+    }
+
+
+    part = &r->headers_in.headers.part;
+    header = part->elts;
+
+    for (i = 0; /* void */; i++) {
+
+        if (i >= part->nelts) {
+            if (part->next == NULL) {
+                break;
+            }
+
+            part = part->next;
+            header = part->elts;
+            i = 0;
+        }
+
+        len = 5 + header[i].key.len;
+        if (len > 127) {
+            *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
+            *b->last++ = (u_char) ((len >> 16) & 0xff);
+            *b->last++ = (u_char) ((len >> 8) & 0xff);
+            *b->last++ = (u_char) (len & 0xff);
+
+        } else {
+            *b->last++ = (u_char) len;
+        }
+
+        len = header[i].value.len;
+        if (len > 127) {
+            *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
+            *b->last++ = (u_char) ((len >> 16) & 0xff);
+            *b->last++ = (u_char) ((len >> 8) & 0xff);
+            *b->last++ = (u_char) (len & 0xff);
+
+        } else {
+            *b->last++ = (u_char) len;
+        }
+
+        b->last = ngx_cpymem(b->last, "HTTP_", sizeof("HTTP_") - 1);
+
+        for (n = 0; n < header[i].key.len; n++) {
+            ch = header[i].key.data[n];
+
+            if (ch >= 'a' && ch <= 'z') {
+                ch &= ~0x20;
+
+            } else if (ch == '-') {
+                ch = '_';
+            }
+
+            *b->last++ = ch;
+        }
+
+        b->last = ngx_cpymem(b->last, header[i].value.data,
+                             header[i].value.len);
+    }
+
+
+    if (padding) {
+        ngx_memzero(b->last, padding);
+        b->last += padding;
+    }
+
+
+    h = (ngx_http_fastcgi_header_t *) b->last;
+    b->last += sizeof(ngx_http_fastcgi_header_t);
+
+    h->version = 1;
+    h->type = NGX_HTTP_FASTCGI_PARAMS;
+    h->request_id_hi = 0;
+    h->request_id_lo = 1;
+    h->content_length_hi = 0;
+    h->content_length_lo = 0;
+    h->padding_length = 0;
+    h->reserved = 0;
+
+    h = (ngx_http_fastcgi_header_t *) b->last;
+    b->last += sizeof(ngx_http_fastcgi_header_t);
+
+    body = r->request_body->bufs;
+    r->request_body->bufs = cl;
+
+#if (NGX_SUPPRESS_WARN)
+    file_pos = 0;
+    pos = NULL;
+#endif
+
+    while (body) {
+
+        if (body->buf->in_file) {
+            file_pos = body->buf->file_pos;
+
+        } else {
+            pos = body->buf->pos;
+        }
+
+        next = 0;
+
+        do {
+            b = ngx_alloc_buf(r->pool);
+            if (b == NULL) {
+                return NGX_ERROR;
+            }
+
+            ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
+
+            if (body->buf->in_file) {
+                b->file_pos = file_pos;
+                file_pos += 32 * 1024;
+
+                if (file_pos > body->buf->file_last) {
+                    file_pos = body->buf->file_last;
+                    next = 1;
+                }
+
+                b->file_last = file_pos;
+                len = (ngx_uint_t) (file_pos - b->file_pos);
+
+            } else {
+                b->pos = pos;
+                pos += 32 * 1024;
+
+                if (pos > body->buf->last) {
+                    pos = body->buf->last;
+                    next = 1;
+                }
+
+                b->last = pos;
+                len = (ngx_uint_t) (pos - b->pos);
+            }
+
+            padding = 8 - len % 8;
+            padding = (padding == 8) ? 0 : padding;
+
+            h->version = 1;
+            h->type = NGX_HTTP_FASTCGI_STDIN;
+            h->request_id_hi = 0;
+            h->request_id_lo = 1;
+            h->content_length_hi = (u_char) ((len >> 8) & 0xff);
+            h->content_length_lo = (u_char) (len & 0xff);
+            h->padding_length = (u_char) padding;
+            h->reserved = 0;
+
+            cl->next = ngx_alloc_chain_link(r->pool);
+            if (cl->next == NULL) {
+                return NGX_ERROR;
+            }
+
+            cl = cl->next;
+            cl->buf = b;
+
+            b = ngx_create_temp_buf(r->pool, sizeof(ngx_http_fastcgi_header_t)
+                                             + padding);
+            if (b == NULL) {
+                return NGX_ERROR;
+            }
+
+            if (padding) {
+                ngx_memzero(b->last, padding);
+                b->last += padding;
+            }
+
+            h = (ngx_http_fastcgi_header_t *) b->last;
+            b->last += sizeof(ngx_http_fastcgi_header_t);
+
+            cl->next = ngx_alloc_chain_link(r->pool);
+            if (cl->next == NULL) {
+                return NGX_ERROR;
+            }
+
+            cl = cl->next;
+            cl->buf = b;
+
+        } while (!next);
+
+        body = body->next;
+    }
+
+    h->version = 1;
+    h->type = NGX_HTTP_FASTCGI_STDIN;
+    h->request_id_hi = 0;
+    h->request_id_lo = 1;
+    h->content_length_hi = 0;
+    h->content_length_lo = 0;
+    h->padding_length = 0;
+    h->reserved = 0;
+
+    cl->next = NULL;
+
+    return NGX_OK;
+}
+
+
+static ngx_int_t
+ngx_http_fastcgi_reinit_request(ngx_http_request_t *r)
+{
+    ngx_http_fastcgi_ctx_t  *f;
+
+    f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module);
+
+    if (f == NULL) {
+        return NGX_OK;
+    }
+
+    f->state = ngx_http_fastcgi_st_version;
+    f->header = 0;
+
+    ngx_memzero(&f->upstream->headers_in,
+                sizeof(ngx_http_fastcgi_headers_in_t));
+
+    if (f->upstream->headers_in.headers.part.elts) {
+        if (ngx_list_init(&f->upstream->headers_in.headers, r->pool, 8,
+                                         sizeof(ngx_table_elt_t)) == NGX_ERROR)
+        {
+            return NGX_ERROR;
+        }
+    }
+
+    return NGX_OK;
+}
+
+
+static ngx_int_t ngx_http_fastcgi_process_header(ngx_http_request_t *r)
+{
+    u_char                  *start, *last;
+    ngx_str_t               *status_line, line;
+    ngx_int_t                rc, status;
+    ngx_uint_t               i;
+    ngx_table_elt_t         *h;
+    ngx_http_upstream_t     *u;
+    ngx_http_fastcgi_ctx_t  *f;
+
+    f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module);
+
+    if (f == NULL) {
+        f = ngx_pcalloc(r->pool, sizeof(ngx_http_fastcgi_ctx_t));
+        if (f == NULL) {
+            return NGX_HTTP_INTERNAL_SERVER_ERROR;
+        }
+
+        ngx_http_set_ctx(r, f, ngx_http_fastcgi_module);
+
+        f->upstream = ngx_pcalloc(r->pool, sizeof(ngx_http_fastcgi_upstream_t));
+        if (f->upstream == NULL) {
+            return NGX_HTTP_INTERNAL_SERVER_ERROR;
+        }
+
+        if (ngx_list_init(&f->upstream->headers_in.headers, r->pool, 8,
+                                         sizeof(ngx_table_elt_t)) == NGX_ERROR)
+        {
+            return NGX_HTTP_INTERNAL_SERVER_ERROR;
+        }
+    }
+
+    u = r->upstream;
+
+    for ( ;; ) {
+
+        if (f->state < ngx_http_fastcgi_st_data) {
+
+            f->pos = u->header_in.pos;
+            f->last = u->header_in.last;
+
+            rc = ngx_http_fastcgi_process_record(r, f);
+
+            u->header_in.pos = f->pos;
+            u->header_in.last = f->last;
+
+            if (rc == NGX_AGAIN) {
+                return NGX_AGAIN;
+            }
+
+            if (rc == NGX_ERROR) {
+                return NGX_HTTP_UPSTREAM_INVALID_HEADER;
+            }
+
+            if (f->type != NGX_HTTP_FASTCGI_STDOUT
+                && f->type != NGX_HTTP_FASTCGI_STDERR)
+            {
+                ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
+                              "upstream sent unexpected FastCGI record: %d",
+                              f->type);
+
+                return NGX_HTTP_UPSTREAM_INVALID_HEADER;
+            }
+
+            if (f->type == NGX_HTTP_FASTCGI_STDOUT && f->length == 0) {
+                ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
+                              "upstream closed prematurely FastCGI stdout");
+
+                return NGX_HTTP_UPSTREAM_INVALID_HEADER;
+            }
+        }
+
+        if (f->state == ngx_http_fastcgi_st_padding) {
+
+            if (u->header_in.pos + f->padding < u->header_in.last) {
+                f->state = ngx_http_fastcgi_st_version;
+                u->header_in.pos += f->padding;
+
+                continue;
+            }
+
+            if (u->header_in.pos + f->padding == u->header_in.last) {
+                f->state = ngx_http_fastcgi_st_version;
+                u->header_in.pos = u->header_in.last;
+
+                return NGX_AGAIN;
+            }
+
+            f->padding -= u->header_in.last - u->header_in.pos;
+            u->header_in.pos = u->header_in.last;
+
+            return NGX_AGAIN;
+        }
+
+
+        /* f->state == ngx_http_fastcgi_st_data */
+
+        if (f->type == NGX_HTTP_FASTCGI_STDERR) {
+
+            if (f->header) {
+                ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
+                              "upstream split a header in FastCGI records");
+
+                return NGX_HTTP_UPSTREAM_INVALID_HEADER;
+            }
+
+            if (f->length) {
+                line.data = u->header_in.pos;
+
+                if (u->header_in.pos + f->length <= u->header_in.last) {
+                    line.len = f->length;
+                    u->header_in.pos += f->length;
+                    f->length = 0;
+                    f->state = ngx_http_fastcgi_st_padding;
+
+                } else { 
+                    line.len = u->header_in.last - u->header_in.pos;
+                    f->length -= u->header_in.last - u->header_in.pos;
+                    u->header_in.pos = u->header_in.last;
+                }
+
+                while (line.data[line.len - 1] == LF
+                       || line.data[line.len - 1] == CR
+                       || line.data[line.len - 1] == '.'
+                       || line.data[line.len - 1] == ' ')
+                {
+                    line.len--;
+                }
+
+                ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
+                              "FastCGI sent in stderr: \"%V\"", &line);
+
+                if (u->header_in.pos == u->header_in.last) {
+                    return NGX_AGAIN;
+                }
+
+            } else {
+                f->state = ngx_http_fastcgi_st_version;
+            }
+
+            continue;
+        }
+
+
+        /* f->type == NGX_HTTP_FASTCGI_STDOUT */
+
+        start = u->header_in.pos;
+
+        if (u->header_in.pos + f->length < u->header_in.last) {
+
+            /*
+             * set u->header_in.last to the end of the FastCGI record data
+             * for ngx_http_parse_header_line()
+             */
+
+            last = u->header_in.last;
+            u->header_in.last = u->header_in.pos + f->length;
+
+        } else {
+            last = NULL;
+        }
+
+        f->header = 1;
+
+        for ( ;; ) {
+
+            rc = ngx_http_parse_header_line(r, &u->header_in);
+
+            ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+                           "http fastcgi parser: %d", rc);
+
+            if (rc == NGX_AGAIN) {
+                break;
+            }
+
+            if (rc == NGX_OK) {
+
+                /* a header line has been parsed successfully */
+
+                h = ngx_list_push(&f->upstream->headers_in.headers);
+                if (h == NULL) {
+                    return NGX_HTTP_INTERNAL_SERVER_ERROR;
+                }
+
+                h->key.len = r->header_name_end - r->header_name_start;
+                h->value.len = r->header_end - r->header_start;
+
+                h->key.data = ngx_palloc(r->pool,
+                                         h->key.len + 1 + h->value.len + 1);
+                if (h->key.data == NULL) {
+                    return NGX_HTTP_INTERNAL_SERVER_ERROR;
+                }
+
+                h->value.data = h->key.data + h->key.len + 1;
+
+                ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
+                ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
+
+                for (i = 0; ngx_http_fastcgi_headers_in[i].name.len != 0; i++) {
+                    if (ngx_http_fastcgi_headers_in[i].name.len != h->key.len) {
+                        continue;
+                    }
+
+                    if (ngx_strcasecmp(ngx_http_fastcgi_headers_in[i].name.data,
+                                                             h->key.data) == 0)
+                    {
+                        *((ngx_table_elt_t **)
+                                 ((char *) &f->upstream->headers_in
+                                 + ngx_http_fastcgi_headers_in[i].offset)) = h;
+                        break;
+                    }
+                }
+
+                ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+                               "http fastcgi header: \"%V: %V\"",
+                               &h->key, &h->value);
+
+                continue;
+            }
+
+            if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
+
+                /* a whole header has been parsed successfully */
+
+                ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+                               "http fastcgi header done");
+
+                if (f->upstream->headers_in.status) {
+                    status_line = &f->upstream->headers_in.status->value;
+
+                    status = ngx_atoi(status_line->data, 3);
+
+                    if (status == NGX_ERROR) {
+                        return NGX_HTTP_INTERNAL_SERVER_ERROR;
+                    }
+
+                    r->headers_out.status = status;
+                    r->headers_out.status_line = *status_line;
+
+                } else {
+                    r->headers_out.status = 200;
+                    r->headers_out.status_line.len = sizeof("200 OK") - 1;
+                    r->headers_out.status_line.data = (u_char *) "200 OK";
+                }
+
+                u->state->status = r->headers_out.status;
+#if 0
+                if (u->cachable) {
+                    u->cachable = ngx_http_upstream_is_cachable(r);
+                }
+#endif
+
+                break;
+            }
+
+            /* there was error while a header line parsing */
+
+            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
+                          ngx_http_upstream_header_errors[rc
+                                                - NGX_HTTP_PARSE_HEADER_ERROR]);
+
+            return NGX_HTTP_UPSTREAM_INVALID_HEADER;
+
+        }
+
+        if (last) {
+            u->header_in.last = last;
+        }
+
+        f->length -= u->header_in.pos - start;
+
+        if (rc == NGX_AGAIN) {
+            if (u->header_in.pos == u->header_in.last) {
+                return NGX_AGAIN;
+            }
+
+            ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
+                          "upstream split a header in FastCGI records");
+
+            return NGX_HTTP_UPSTREAM_INVALID_HEADER;
+        }
+
+        if (f->length == 0) {
+            if (f->padding) {
+                f->state = ngx_http_fastcgi_st_padding;
+            } else {
+                f->state = ngx_http_fastcgi_st_version;
+            }
+        }
+
+        return NGX_OK;
+    }
+}
+
+
+static ngx_int_t
+ngx_http_fastcgi_send_header(ngx_http_request_t *r)
+{
+    ngx_uint_t                      i;
+    ngx_list_part_t                *part;
+    ngx_table_elt_t                *ho, *h;
+    ngx_http_fastcgi_ctx_t         *f;
+    ngx_http_fastcgi_headers_in_t  *headers_in;
+
+    f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module);
+
+    headers_in = &f->upstream->headers_in;
+    part = &headers_in->headers.part;
+    h = part->elts;
+
+    for (i = 0; /* void */; i++) {
+
+        if (i >= part->nelts) {
+            if (part->next == NULL) {
+                break;
+            }
+
+            part = part->next;
+            h = part->elts;
+            i = 0;
+        }
+
+        /* ignore some headers */
+
+        if (&h[i] == headers_in->status) {
+            continue;
+        }
+
+
+        if (&h[i] == headers_in->x_powered_by
+            && !r->upstream->conf->x_powered_by)
+        {
+            continue;
+        }
+
+
+        /* "Content-Type" is handled specially */
+
+        if (&h[i] == headers_in->content_type) {
+            r->headers_out.content_type = &h[i];
+            r->headers_out.content_type->key.len = 0;
+            continue;
+        }
+
+
+        /* copy some header pointers and set up r->headers_out */
+
+        ho = ngx_list_push(&r->headers_out.headers);
+        if (ho == NULL) {
+            return NGX_HTTP_INTERNAL_SERVER_ERROR;
+        }
+
+        *ho = h[i];
+
+#if (NGX_HTTP_GZIP)
+        if (&h[i] == headers_in->content_encoding) {
+            r->headers_out.content_encoding = ho;
+            continue;
+        }
+#endif
+
+        if (&h[i] == headers_in->content_length) {
+            r->headers_out.content_length = ho;
+            r->headers_out.content_length_n = ngx_atoi(ho->value.data,
+                                                       ho->value.len);
+            continue;
+        }
+    }
+
+    return ngx_http_send_header(r);
+}
+
+
+static ngx_int_t
+ngx_http_fastcgi_input_filter(ngx_event_pipe_t *p, ngx_buf_t *buf)
+{
+    ngx_int_t                rc;
+    ngx_buf_t               *b, **prev;
+    ngx_str_t                line;
+    ngx_chain_t             *cl;
+    ngx_http_request_t      *r;
+    ngx_http_fastcgi_ctx_t  *f;
+
+    if (buf->pos == buf->last) {
+        return NGX_OK;
+    }
+
+    r = p->input_ctx;
+    f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module);
+
+    b = NULL;
+    prev = &buf->shadow;
+
+    f->pos = buf->pos;
+    f->last = buf->last;
+
+    for ( ;; ) {
+        if (f->state < ngx_http_fastcgi_st_data) {
+
+            rc = ngx_http_fastcgi_process_record(r, f);
+
+            if (rc == NGX_AGAIN) {
+                break;
+            }
+
+            if (rc == NGX_ERROR) {
+                return NGX_ERROR;
+            }
+
+            if (f->type == NGX_HTTP_FASTCGI_STDOUT && f->length == 0) {
+                f->state = ngx_http_fastcgi_st_version;
+                p->upstream_done = 1;
+
+                ngx_log_debug0(NGX_LOG_DEBUG_HTTP, p->log, 0,
+                               "http fastcgi closed stdout");
+
+                continue;
+            }
+
+            if (f->type == NGX_HTTP_FASTCGI_END_REQUEST) {
+                f->state = ngx_http_fastcgi_st_version;
+                p->upstream_done = 1;
+
+                ngx_log_debug0(NGX_LOG_DEBUG_HTTP, p->log, 0,
+                               "http fastcgi sent end request");
+
+                break;
+            }
+        }
+
+
+        if (f->state == ngx_http_fastcgi_st_padding) {
+
+            if (f->pos + f->padding < f->last) {
+                f->state = ngx_http_fastcgi_st_version;
+                f->pos += f->padding;
+
+                continue;
+            }
+
+            if (f->pos + f->padding == f->last) {
+                f->state = ngx_http_fastcgi_st_version;
+
+                break;
+            }
+
+            f->padding -= f->last - f->pos;
+
+            break;
+        }
+
+
+        /* f->state == ngx_http_fastcgi_st_data */
+
+        if (f->type == NGX_HTTP_FASTCGI_STDERR) {
+
+            if (f->length) {
+                line.data = f->pos;
+
+                if (f->pos + f->length <= f->last) {
+                    line.len = f->length;
+                    f->pos += f->length;
+                    f->length = 0;
+                    f->state = ngx_http_fastcgi_st_padding;
+
+                } else { 
+                    line.len = f->last - f->pos;
+                    f->length -= f->last - f->pos;
+                    f->pos = f->last;
+                }
+
+                while (line.data[line.len - 1] == LF
+                       || line.data[line.len - 1] == CR
+                       || line.data[line.len - 1] == '.'
+                       || line.data[line.len - 1] == ' ')
+                {
+                    line.len--;
+                }
+
+                ngx_log_error(NGX_LOG_ERR, p->log, 0,
+                              "FastCGI sent in stderr: \"%V\"", &line);
+
+                if (f->pos == f->last) {
+                    break;
+                }
+
+            } else {
+                f->state = ngx_http_fastcgi_st_version;
+            }
+
+            continue;
+        }
+
+
+        /* f->type == NGX_HTTP_FASTCGI_STDOUT */
+
+        if (p->free) {
+            b = p->free->buf;
+            p->free = p->free->next;
+
+        } else {
+            b = ngx_alloc_buf(p->pool);
+            if (b == NULL) {
+                return NGX_ERROR;
+            }
+        }
+
+        ngx_memzero(b, sizeof(ngx_buf_t));
+
+        b->pos = f->pos;
+        b->start = buf->start;
+        b->end = buf->end;
+        b->tag = p->tag;
+        b->temporary = 1;
+        b->recycled = 1;
+
+        *prev = b;
+        prev = &b->shadow;
+
+        cl = ngx_alloc_chain_link(p->pool);
+        if (cl == NULL) {
+            return NGX_ERROR;
+        }
+
+        cl->buf = b;
+        cl->next = NULL;
+
+        if (p->in) {
+            *p->last_in = cl;
+        } else {
+            p->in = cl;
+        }
+        p->last_in = &cl->next;
+
+
+        /* STUB */ b->num = buf->num;
+
+        ngx_log_debug1(NGX_LOG_DEBUG_EVENT, p->log, 0, "input buf #%d", b->num);
+
+
+        if (f->pos + f->length < f->last) {
+
+            if (f->padding) {
+                f->state = ngx_http_fastcgi_st_padding;
+            } else {
+                f->state = ngx_http_fastcgi_st_version;
+            }
+
+            f->pos += f->length;
+            b->last = f->pos;
+
+            continue;
+        }
+
+        if (f->pos + f->length == f->last) {
+
+            if (f->padding) {
+                f->state = ngx_http_fastcgi_st_padding;
+            } else {
+                f->state = ngx_http_fastcgi_st_version;
+            }
+
+            b->last = f->last;
+
+            break;
+        }
+
+        f->length -= f->last - f->pos;
+
+        b->last = f->last;
+
+        break;
+
+    }
+
+    if (b) {
+        b->shadow = buf;
+        b->last_shadow = 1;
+
+        return NGX_OK;
+    }
+
+    /* there is no data record in the buf, add it to free chain */
+
+    if (ngx_event_pipe_add_free_buf(p, buf) != NGX_OK) {
+        return NGX_ERROR;
+    }
+
+    return NGX_OK;
+}
+
+
+static ngx_int_t
+ngx_http_fastcgi_process_record(ngx_http_request_t *r,
+    ngx_http_fastcgi_ctx_t *f)
+{
+    u_char                     ch, *p;
+    ngx_http_fastcgi_state_e   state;
+
+    state = f->state;
+
+    for (p = f->pos; p < f->last; p++) {
+
+        ch = *p;
+
+        ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+                       "http fastcgi record byte: %02Xd", ch);
+
+        switch (state) {
+
+        case ngx_http_fastcgi_st_version:
+            if (ch != 1) {
+                ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
+                              "upstream sent unsupported FastCGI "
+                              "protocol version: %d", ch);
+                return NGX_ERROR;
+            }
+            state = ngx_http_fastcgi_st_type;
+            break;
+
+        case ngx_http_fastcgi_st_type:
+            switch (ch) {
+            case NGX_HTTP_FASTCGI_STDOUT:
+            case NGX_HTTP_FASTCGI_STDERR:
+            case NGX_HTTP_FASTCGI_END_REQUEST:
+                 f->type = (ngx_uint_t) ch;
+                 break;
+            default:
+                ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
+                              "upstream sent invalid FastCGI "
+                              "record type: %d", ch);
+                return NGX_ERROR;
+
+            }
+            state = ngx_http_fastcgi_st_request_id_hi;
+            break;
+
+        /* we support the single request per connection */
+
+        case ngx_http_fastcgi_st_request_id_hi:
+            if (ch != 0) {
+                ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
+                              "upstream sent unexpected FastCGI "
+                              "request id high byte: %d", ch);
+                return NGX_ERROR;
+            }
+            state = ngx_http_fastcgi_st_request_id_lo;
+            break;
+
+        case ngx_http_fastcgi_st_request_id_lo:
+            if (ch != 1) {
+                ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
+                              "upstream sent unexpected FastCGI "
+                              "request id low byte: %d", ch);
+                return NGX_ERROR;
+            }
+            state = ngx_http_fastcgi_st_content_length_hi;
+            break;
+
+        case ngx_http_fastcgi_st_content_length_hi:
+            f->length = ch << 8;
+            state = ngx_http_fastcgi_st_content_length_lo;
+            break;
+
+        case ngx_http_fastcgi_st_content_length_lo:
+            f->length |= (size_t) ch;
+            state = ngx_http_fastcgi_st_padding_length;
+            break;
+
+        case ngx_http_fastcgi_st_padding_length:
+            f->padding = (size_t) ch;
+            state = ngx_http_fastcgi_st_reserved;
+            break;
+
+        case ngx_http_fastcgi_st_reserved:
+            state = ngx_http_fastcgi_st_data;
+
+            ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+                           "http fastcgi record length: %z", f->length);
+
+            f->pos = p + 1;
+            f->state = state;
+
+            return NGX_OK;
+
+        /* suppress warning */
+        case ngx_http_fastcgi_st_data:
+        case ngx_http_fastcgi_st_padding:
+            break;
+        }
+    }
+
+    f->pos = p + 1;
+    f->state = state;
+
+    return NGX_AGAIN;
+}
+
+
+static void
+ngx_http_fastcgi_abort_request(ngx_http_request_t *r)
+{
+    ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+                   "abort http fastcgi request");
+
+    return;
+}
+
+
+static void
+ngx_http_fastcgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
+{
+    ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+                   "finalize http fastcgi request");
+
+    return;
+}
+
+
+static char *
+ngx_http_fastcgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
+{
+    ngx_http_fastcgi_loc_conf_t *lcf = conf;
+
+    ngx_str_t                   *value;
+    ngx_inet_upstream_t          inet_upstream;
+    ngx_http_core_loc_conf_t    *clcf;
+#if (NGX_HAVE_UNIX_DOMAIN)
+    ngx_unix_domain_upstream_t   unix_upstream;
+#endif
+
+    value = cf->args->elts;
+
+    if (ngx_strncasecmp(value[1].data, "unix:", 5) == 0) {
+
+#if (NGX_HAVE_UNIX_DOMAIN)
+
+        ngx_memzero(&unix_upstream, sizeof(ngx_unix_domain_upstream_t));
+
+        unix_upstream.name = value[1];
+        unix_upstream.url = value[1];
+
+        lcf->peers = ngx_unix_upstream_parse(cf, &unix_upstream);
+        if (lcf->peers == NULL) {
+            return NGX_CONF_ERROR;
+        }
+
+#else
+        ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+                           "the unix domain sockets are not supported "
+                           "on this platform");
+        return NGX_CONF_ERROR;
+
+#endif
+
+    } else {
+        ngx_memzero(&inet_upstream, sizeof(ngx_inet_upstream_t));
+
+        inet_upstream.name = value[1];
+        inet_upstream.url = value[1];
+    
+        lcf->peers = ngx_inet_upstream_parse(cf, &inet_upstream);
+        if (lcf->peers == NULL) {
+            return NGX_CONF_ERROR;
+        }
+    }
+
+    clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
+
+    clcf->handler = ngx_http_fastcgi_handler;
+
+#if (NGX_PCRE)
+    lcf->location = clcf->regex ? &ngx_http_fastcgi_uri : &clcf->name;
+#else
+    lcf->location = &clcf->name;
+#endif
+
+    if (clcf->name.data[clcf->name.len - 1] == '/') {
+        clcf->auto_redirect = 1;
+    }
+
+    return NGX_CONF_OK;
+}
+
+
+static char *
+ngx_http_fastcgi_set_var(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
+{
+    ngx_http_fastcgi_loc_conf_t *lcf = conf;
+
+    ngx_uint_t                  i, *index;
+    ngx_str_t                  *value;
+    ngx_http_variable_t        *var;
+    ngx_http_core_main_conf_t  *cmcf;
+
+    if (lcf->vars == NULL) {
+        lcf->vars = ngx_array_create(cf->pool, 4,
+                                     sizeof(ngx_http_variable_t *));
+        if (lcf->vars == NULL) {
+            return NGX_CONF_ERROR;
+        }
+    }
+
+    cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
+
+    value = cf->args->elts;
+
+    var = cmcf->variables.elts;
+    for (i = 0; i < cmcf->variables.nelts; i++) {
+        if (ngx_strcasecmp(var[i].name.data, value[1].data) == 0) {
+
+            index = ngx_array_push(lcf->vars);
+            if (index == NULL) {
+                return NGX_CONF_ERROR;
+            }
+
+            *index = var[i].index;
+            return NGX_CONF_OK;
+        }
+    }
+
+    ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+                       "unknown variable name \"%V\"", &value[1]);
+    return NGX_CONF_ERROR;
+}
+
+
+static char *
+ngx_http_fastcgi_lowat_check(ngx_conf_t *cf, void *post, void *data)
+{
+#if (NGX_FREEBSD)
+    ssize_t *np = data;
+
+    if (*np >= ngx_freebsd_net_inet_tcp_sendspace) {
+        ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+                           "\"fastcgi_send_lowat\" must be less than %d "
+                           "(sysctl net.inet.tcp.sendspace)",
+                           ngx_freebsd_net_inet_tcp_sendspace);
+
+        return NGX_CONF_ERROR;
+    }
+
+#elif !(NGX_HAVE_SO_SNDLOWAT)
+    ssize_t *np = data;
+
+    ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
+                       "\"fastcgi_send_lowat\" is not supported, ignored");
+
+    *np = 0;
+
+#endif
+
+    return NGX_CONF_OK;
+}
+
+
+static void *
+ngx_http_fastcgi_create_loc_conf(ngx_conf_t *cf)
+{
+    ngx_http_fastcgi_loc_conf_t  *conf;
+
+    conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_fastcgi_loc_conf_t));
+    if (conf == NULL) {
+        return NGX_CONF_ERROR;
+    }
+
+    /*
+     * set by ngx_pcalloc():
+     *
+     *     conf->upstream.bufs.num = 0;
+     *     conf->upstream.path = NULL;
+     *     conf->upstream.next_upstream = 0;
+     *     conf->upstream.temp_path = NULL;
+     *     conf->params = 0;
+     *     conf->root.len = 0;
+     *     conf->root.data = NULL;
+     *     conf->index.len = 0;
+     *     conf->index.data = NULL;
+     *     conf->location = NULL;
+     */
+
+    conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
+    conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
+    conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
+
+    conf->upstream.header_buffer_size = NGX_CONF_UNSET_SIZE;
+    conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
+    conf->upstream.busy_buffers_size = NGX_CONF_UNSET_SIZE;
+
+    conf->upstream.max_temp_file_size = NGX_CONF_UNSET_SIZE; 
+    conf->upstream.temp_file_write_size = NGX_CONF_UNSET_SIZE;
+    
+    conf->upstream.redirect_errors = NGX_CONF_UNSET;
+    conf->upstream.x_powered_by = NGX_CONF_UNSET;
+
+    /* "fastcgi_cyclic_temp_file" is disabled */
+    conf->upstream.cyclic_temp_file = 0;
+
+    return conf;
+}
+
+
+static char *
+ngx_http_fastcgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
+{
+    ngx_http_fastcgi_loc_conf_t *prev = parent;
+    ngx_http_fastcgi_loc_conf_t *conf = child;
+
+    size_t  size;
+
+    ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
+                              prev->upstream.connect_timeout, 60000);
+    ngx_conf_merge_msec_value(conf->upstream.send_timeout,
+                              prev->upstream.send_timeout, 60000);
+    ngx_conf_merge_size_value(conf->upstream.send_lowat,
+                              prev->upstream.send_lowat, 0);
+
+    ngx_conf_merge_msec_value(conf->upstream.read_timeout,
+                              prev->upstream.read_timeout, 60000);
+
+    ngx_conf_merge_msec_value(conf->upstream.redirect_errors,
+                              prev->upstream.redirect_errors, 0);
+
+    ngx_conf_merge_msec_value(conf->upstream.x_powered_by,
+                              prev->upstream.x_powered_by, 1);
+
+
+    ngx_conf_merge_size_value(conf->upstream.header_buffer_size, 
+                              prev->upstream.header_buffer_size,
+                              (size_t) ngx_pagesize);
+
+    ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
+                              8, ngx_pagesize);
+
+    if (conf->upstream.bufs.num < 2) {
+        ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+                           "there must be at least 2 \"fastcgi_buffers\"");
+        return NGX_CONF_ERROR;
+    }
+
+
+    size = conf->upstream.header_buffer_size;
+    if (size < conf->upstream.bufs.size) {
+        size = conf->upstream.bufs.size;
+    }
+
+
+    ngx_conf_merge_size_value(conf->upstream.busy_buffers_size, 
+                              prev->upstream.busy_buffers_size,
+                              NGX_CONF_UNSET_SIZE);
+
+    if (conf->upstream.busy_buffers_size == NGX_CONF_UNSET_SIZE) {
+        conf->upstream.busy_buffers_size = 2 * size;
+
+    } else if (conf->upstream.busy_buffers_size < size) {
+        ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+             "\"fastcgi_busy_buffers_size\" must be equal or bigger than "
+             "maximum of the value of \"fastcgi_header_buffer_size\" and "
+             "one of the \"fastcgi_buffers\"");
+
+        return NGX_CONF_ERROR;
+
+    } else if (conf->upstream.busy_buffers_size
+               > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
+    {
+        ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+             "\"fastcgi_busy_buffers_size\" must be less than "
+             "the size of all \"fastcgi_buffers\" minus one buffer");
+
+        return NGX_CONF_ERROR;
+    }
+
+
+    ngx_conf_merge_size_value(conf->upstream.temp_file_write_size, 
+                              prev->upstream.temp_file_write_size,
+                              NGX_CONF_UNSET_SIZE);
+
+    if (conf->upstream.temp_file_write_size == NGX_CONF_UNSET_SIZE) {
+        conf->upstream.temp_file_write_size = 2 * size;
+
+    } else if (conf->upstream.temp_file_write_size < size) {
+        ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+             "\"fastcgi_temp_file_write_size\" must be equal or bigger than "
+             "maximum of the value of \"fastcgi_header_buffer_size\" and "
+             "one of the \"fastcgi_buffers\"");
+
+        return NGX_CONF_ERROR;
+    }
+
+
+    ngx_conf_merge_size_value(conf->upstream.max_temp_file_size,
+                              prev->upstream.max_temp_file_size,
+                              NGX_CONF_UNSET_SIZE);
+
+    if (conf->upstream.max_temp_file_size == NGX_CONF_UNSET_SIZE) {
+
+        conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
+
+    } else if (conf->upstream.max_temp_file_size != 0
+               && conf->upstream.max_temp_file_size < size)
+    {
+        ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+             "\"fastcgi_max_temp_file_size\" must be equal to zero to disable "
+             "the temporary files usage or must be equal or bigger than "
+             "maximum of the value of \"fastcgi_header_buffer_size\" and "
+             "one of the \"fastcgi_buffers\"");
+
+        return NGX_CONF_ERROR;
+    }
+
+
+    ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
+                              prev->upstream.next_upstream,
+                              (NGX_CONF_BITMASK_SET
+                               |NGX_HTTP_UPSTREAM_FT_ERROR
+                               |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
+
+    ngx_conf_merge_path_value(conf->upstream.temp_path,
+                              prev->upstream.temp_path,
+                              NGX_HTTP_FASTCGI_TEMP_PATH, 1, 2, 0,
+                              ngx_garbage_collector_temp_handler, cf);
+
+
+    ngx_conf_merge_bitmask_value(conf->params, prev->params,
+                              (NGX_CONF_BITMASK_SET
+                               |NGX_HTTP_FASTCGI_REMOTE_ADDR
+                               |NGX_HTTP_FASTCGI_REMOTE_USER
+                               |NGX_HTTP_FASTCGI_SERVER_NAME
+                               |NGX_HTTP_FASTCGI_SERVER_PORT
+                               |NGX_HTTP_FASTCGI_SCRIPT_NAME
+                               |NGX_HTTP_FASTCGI_AUTH_TYPE
+                               |NGX_HTTP_FASTCGI_REQUEST_URI
+                               |NGX_HTTP_FASTCGI_REDIRECT_STATUS));
+
+    ngx_conf_merge_str_value(conf->root, prev->root, "");
+
+    if (conf->root.len && conf->root.data[conf->root.len - 1] == '/') {
+        conf->root.len--;
+    }
+
+    ngx_conf_merge_str_value(conf->index, prev->index, "");
+
+    if (conf->vars == NULL) {
+        conf->vars = prev->vars;
+    }
+
+    return NGX_CONF_OK;
+}