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request.c
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request.c
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/*
* $Id$
* Copyright (C) 2000 ZetaBITS, Inc.
* Copyright (C) 2000 Information-technology Promotion Agency, Japan
* Copyright (C) 2001-2003 Shugo Maeda <shugo@modruby.net>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/types.h>
#include <sys/stat.h>
/* for core_module */
#define CORE_PRIVATE
#include "mod_ruby.h"
#include "apachelib.h"
#include "st.h"
static VALUE rb_eApachePrematureChunkEndError;
VALUE rb_cApacheRequest;
/* Parse options */
static ID id_post_max, id_disable_uploads,
id_temp_dir, id_hook_data, id_upload_hook;
typedef struct request_data {
request_rec *request;
VALUE outbuf;
VALUE connection;
VALUE server;
VALUE headers_in;
VALUE headers_out;
VALUE err_headers_out;
VALUE subprocess_env;
VALUE notes;
VALUE finfo;
VALUE attributes;
VALUE error_message;
VALUE exception;
ApacheRequest *apreq;
VALUE upload_hook;
VALUE upload_hook_arg;
VALUE upload_table;
VALUE cookies;
VALUE param_table;
VALUE options;
} request_data;
#define REQ_SYNC_HEADER FL_USER1
#define REQ_SYNC_OUTPUT FL_USER2
#define REQ_HEADER_PENDING FL_USER3
#define REQ_SENT_HEADER FL_USER4
#define REQUEST_STRING_ATTR_READER(fname, member) \
DEFINE_STRING_ATTR_READER(fname, request_data, request->member)
#ifdef APACHE2
#define REQUEST_STRING_ATTR_WRITER(fname, member) \
static VALUE fname(VALUE self, VALUE val) \
{ \
request_data *data; \
Check_Type(val, T_STRING); \
data = get_request_data(self); \
data->request->member = \
apr_pstrndup(data->request->pool, \
RSTRING(val)->ptr, RSTRING(val)->len); \
return val; \
}
#else
#define REQUEST_STRING_ATTR_WRITER(fname, member) \
static VALUE fname(VALUE self, VALUE val) \
{ \
request_data *data; \
Check_Type(val, T_STRING); \
data = get_request_data(self); \
data->request->member = \
ap_pstrndup(data->request->pool, \
RSTRING(val)->ptr, RSTRING(val)->len); \
return val; \
}
#endif
#define REQUEST_INT_ATTR_READER(fname, member) \
DEFINE_INT_ATTR_READER(fname, request_data, request->member)
#define REQUEST_INT_ATTR_WRITER(fname, member) \
DEFINE_INT_ATTR_WRITER(fname, request_data, request->member)
static void request_mark(request_data *data)
{
if (data == NULL) return;
rb_gc_mark(data->outbuf);
rb_gc_mark(data->connection);
rb_gc_mark(data->server);
rb_gc_mark(data->headers_in);
rb_gc_mark(data->headers_out);
rb_gc_mark(data->err_headers_out);
rb_gc_mark(data->subprocess_env);
rb_gc_mark(data->notes);
rb_gc_mark(data->finfo);
rb_gc_mark(data->attributes);
rb_gc_mark(data->error_message);
rb_gc_mark(data->exception);
rb_gc_mark(data->upload_hook);
rb_gc_mark(data->upload_hook_arg);
rb_gc_mark(data->upload_table);
rb_gc_mark(data->cookies);
rb_gc_mark(data->param_table);
rb_gc_mark(data->options);
}
static APR_CLEANUP_RETURN_TYPE cleanup_request_object(void *data)
{
request_rec *r = (request_rec *) data;
ruby_request_config *rconf;
VALUE reqobj;
if (r->request_config == NULL)
APR_CLEANUP_RETURN_SUCCESS();
rconf = get_request_config(r);
if (rconf == NULL) APR_CLEANUP_RETURN_SUCCESS();
reqobj = rconf->request_object;
if (TYPE(reqobj) == T_DATA) {
free(RDATA(reqobj)->data);
RDATA(reqobj)->data = NULL;
}
ap_set_module_config(r->request_config, &ruby_module, NULL);
#if APR_HAS_THREADS
if (ruby_is_threaded_mpm) {
ruby_call_interpreter(r->pool,
(ruby_interp_func_t) rb_apache_unregister_object,
(void *) reqobj, NULL, 0);
}
else {
#endif
rb_apache_unregister_object(reqobj);
#if APR_HAS_THREADS
}
#endif
APR_CLEANUP_RETURN_SUCCESS();
}
static VALUE apache_request_new(request_rec *r)
{
ruby_dir_config *dconf = get_dir_config(r);
request_data *data;
VALUE obj;
const array_header *opts_arr;
table_entry *opts;
int i;
obj = Data_Make_Struct(rb_cApacheRequest, request_data,
request_mark, free, data);
data->request = r;
data->outbuf = rb_tainted_str_new("", 0);
data->connection = Qnil;
data->server = Qnil;
data->headers_in = Qnil;
data->headers_out = Qnil;
data->err_headers_out = Qnil;
data->subprocess_env = Qnil;
data->notes = Qnil;
data->finfo = Qnil;
data->attributes = Qnil;
data->error_message = Qnil;
data->exception = Qnil;
data->apreq = ApacheRequest_new( r );
data->upload_hook = Qnil;
data->upload_hook_arg = Qnil;
data->upload_table = rb_hash_new();
data->cookies = rb_hash_new();
data->param_table = Qnil;
data->options = rb_hash_new();
opts_arr = apr_table_elts(dconf->options);
opts = (table_entry *) opts_arr->elts;
for (i = 0; i < opts_arr->nelts; i++) {
if (opts[i].key == NULL)
continue;
rb_hash_aset(data->options,
rb_tainted_str_new2(opts[i].key),
rb_tainted_str_new2(opts[i].val));
}
rb_apache_register_object(obj);
if (r->request_config) {
ruby_request_config *rconf = get_request_config(r);
if (rconf)
rconf->request_object = obj;
}
apr_pool_cleanup_register(r->pool, (void *) r,
cleanup_request_object, apr_pool_cleanup_null);
if (dconf) {
switch (dconf->output_mode) {
case MR_OUTPUT_SYNC_HEADER:
FL_SET(obj, REQ_SYNC_HEADER);
break;
case MR_OUTPUT_SYNC:
FL_SET(obj, REQ_SYNC_HEADER);
FL_SET(obj, REQ_SYNC_OUTPUT);
break;
case MR_OUTPUT_NOSYNC:
default:
break;
}
}
return obj;
}
VALUE rb_get_request_object(request_rec *r)
{
if (r == NULL) return Qnil;
if (r->request_config) {
ruby_request_config *rconf = get_request_config(r);
if (rconf && !NIL_P(rconf->request_object))
return rconf->request_object;
}
return apache_request_new(r);
}
static request_data *get_request_data(VALUE obj)
{
request_data *data;
Check_Type(obj, T_DATA);
data = (request_data *) RDATA(obj)->data;
if (data == NULL)
rb_raise(rb_eArgError, "destroyed request");
return data;
}
request_rec *rb_get_request_rec(VALUE obj)
{
return get_request_data(obj)->request;
}
long rb_apache_request_length(VALUE self)
{
request_data *data;
data = get_request_data(self);
return RSTRING(data->outbuf)->len;
}
static VALUE request_output_buffer(VALUE self)
{
request_data *data;
data = get_request_data(self);
return data->outbuf;
}
static VALUE request_replace(int argc, VALUE *argv, VALUE self)
{
request_data *data;
data = get_request_data(self);
return rb_funcall2(data->outbuf, rb_intern("replace"), argc, argv);
}
static VALUE request_cancel(VALUE self)
{
request_data *data;
data = get_request_data(self);
RSTRING(data->outbuf)->len = 0;
RSTRING(data->outbuf)->ptr[0] = '\0';
return Qnil;
}
static VALUE request_get_sync_header(VALUE self)
{
return FL_TEST(self, REQ_SYNC_HEADER) ? Qtrue : Qfalse;
}
static VALUE request_set_sync_header(VALUE self, VALUE val)
{
if (RTEST(val)) {
FL_SET(self, REQ_SYNC_HEADER);
}
else {
FL_UNSET(self, REQ_SYNC_HEADER);
}
return val;
}
static VALUE request_get_sync_output(VALUE self)
{
return FL_TEST(self, REQ_SYNC_OUTPUT) ? Qtrue : Qfalse;
}
static VALUE request_set_sync_output(VALUE self, VALUE val)
{
if (RTEST(val)) {
FL_SET(self, REQ_SYNC_OUTPUT);
}
else {
FL_UNSET(self, REQ_SYNC_OUTPUT);
}
return val;
}
static VALUE request_set_sync(VALUE self, VALUE val)
{
if (RTEST(val)) {
FL_SET(self, REQ_SYNC_HEADER);
FL_SET(self, REQ_SYNC_OUTPUT);
}
else {
FL_UNSET(self, REQ_SYNC_HEADER);
FL_UNSET(self, REQ_SYNC_OUTPUT);
}
return val;
}
static VALUE request_write(VALUE self, VALUE str)
{
request_data *data;
int len;
data = get_request_data(self);
str = rb_obj_as_string(str);
if (FL_TEST(self, REQ_SYNC_OUTPUT)) {
if (data->request->header_only &&
FL_TEST(self, REQ_SENT_HEADER))
return INT2NUM(0);
len = ap_rwrite(RSTRING(str)->ptr, RSTRING(str)->len, data->request);
ap_rflush(data->request);
}
else {
rb_str_cat(data->outbuf, RSTRING(str)->ptr, RSTRING(str)->len);
len = RSTRING(str)->len;
}
return INT2NUM(len);
}
static VALUE request_putc(VALUE self, VALUE c)
{
char ch = NUM2CHR(c);
request_data *data;
data = get_request_data(self);
if (FL_TEST(self, REQ_SYNC_OUTPUT)) {
int ret;
if (data->request->header_only &&
FL_TEST(self, REQ_SENT_HEADER))
return INT2NUM(EOF);
ret = ap_rputc(NUM2INT(c), data->request);
return INT2NUM(ret);
}
else {
rb_str_cat(data->outbuf, &ch, 1);
return c;
}
}
static VALUE request_print(int argc, VALUE *argv, VALUE out)
{
int i;
VALUE line;
/* if no argument given, print `$_' */
if (argc == 0) {
argc = 1;
line = rb_lastline_get();
argv = &line;
}
for (i=0; i<argc; i++) {
if (!NIL_P(rb_output_fs) && i>0) {
request_write(out, rb_output_fs);
}
switch (TYPE(argv[i])) {
case T_NIL:
request_write(out, STRING_LITERAL("nil"));
break;
default:
request_write(out, argv[i]);
break;
}
}
if (!NIL_P(rb_output_rs)) {
request_write(out, rb_output_rs);
}
return Qnil;
}
static VALUE request_printf(int argc, VALUE *argv, VALUE out)
{
request_write(out, rb_f_sprintf(argc, argv));
return Qnil;
}
static VALUE request_puts _((int, VALUE*, VALUE));
#if RUBY_VERSION_CODE >= 190 && RUBY_RELEASE_CODE > 20050304
static VALUE request_puts_ary(VALUE ary, VALUE out, int recur)
#else
static VALUE request_puts_ary(VALUE ary, VALUE out)
#endif
{
VALUE tmp;
int i;
for (i=0; i<RARRAY(ary)->len; i++) {
tmp = RARRAY(ary)->ptr[i];
#if RUBY_VERSION_CODE >= 190 && RUBY_RELEASE_CODE > 20050304
if (recur) {
#else
if (rb_inspecting_p(tmp)) {
#endif
tmp = STRING_LITERAL("[...]");
}
request_puts(1, &tmp, out);
}
return Qnil;
}
static VALUE request_puts(int argc, VALUE *argv, VALUE out)
{
int i;
VALUE line;
/* if no argument given, print newline. */
if (argc == 0) {
request_write(out, rb_default_rs);
return Qnil;
}
for (i=0; i<argc; i++) {
switch (TYPE(argv[i])) {
case T_NIL:
line = STRING_LITERAL("nil");
break;
case T_ARRAY:
#if RUBY_VERSION_CODE >= 190 && RUBY_RELEASE_CODE > 20050304
rb_exec_recursive(request_puts_ary, argv[i], out);
#else
rb_protect_inspect(request_puts_ary, argv[i], out);
#endif
continue;
default:
line = argv[i];
break;
}
line = rb_obj_as_string(line);
request_write(out, line);
if (RSTRING(line)->ptr[RSTRING(line)->len-1] != '\n') {
request_write(out, rb_default_rs);
}
}
return Qnil;
}
static VALUE request_addstr(VALUE out, VALUE str)
{
request_write(out, str);
return out;
}
VALUE rb_apache_request_send_http_header(VALUE self)
{
request_data *data;
if (FL_TEST(self, REQ_SYNC_HEADER)) {
data = get_request_data(self);
ap_send_http_header(data->request);
FL_SET(self, REQ_SENT_HEADER);
FL_UNSET(self, REQ_HEADER_PENDING);
}
else {
FL_SET(self, REQ_HEADER_PENDING);
}
return Qnil;
}
static VALUE request_sent_http_header(VALUE self)
{
if (FL_TEST(self, REQ_SENT_HEADER) ||
FL_TEST(self, REQ_HEADER_PENDING)) {
return Qtrue;
}
else {
return Qfalse;
}
}
void rb_apache_request_flush(VALUE self)
{
request_data *data;
data = get_request_data(self);
if (FL_TEST(self, REQ_HEADER_PENDING)) {
ap_send_http_header(data->request);
FL_SET(self, REQ_SENT_HEADER);
FL_UNSET(self, REQ_HEADER_PENDING);
}
if (data->request->header_only &&
FL_TEST(self, REQ_SENT_HEADER)) {
RSTRING(data->outbuf)->len = 0;
return;
}
if (RSTRING(data->outbuf)->len > 0) {
ap_rwrite(RSTRING(data->outbuf)->ptr, RSTRING(data->outbuf)->len,
data->request);
ap_rflush(data->request);
RSTRING(data->outbuf)->len = 0;
}
}
static VALUE request_connection(VALUE self)
{
request_data *data;
data = get_request_data(self);
if (NIL_P(data->connection)) {
data->connection = rb_apache_connection_new(data->request->connection);
}
return data->connection;
}
static VALUE request_server(VALUE self)
{
request_data *data;
data = get_request_data(self);
if (NIL_P(data->server)) {
data->server = rb_apache_server_new(data->request->server);
}
return data->server;
}
static VALUE request_next(VALUE self)
{
request_data *data;
data = get_request_data(self);
return rb_get_request_object(data->request->next);
}
static VALUE request_prev(VALUE self)
{
request_data *data;
data = get_request_data(self);
return rb_get_request_object(data->request->prev);
}
static VALUE request_last(VALUE self)
{
request_data *data;
request_rec *last;
data = get_request_data(self);
for (last = data->request; last->next; last = last->next)
continue;
return rb_get_request_object(last);
}
static VALUE request_main(VALUE self)
{
request_data *data;
data = get_request_data(self);
return rb_get_request_object(data->request->main);
}
REQUEST_STRING_ATTR_READER(request_protocol, protocol);
REQUEST_STRING_ATTR_READER(request_hostname, hostname);
REQUEST_STRING_ATTR_READER(request_unparsed_uri, unparsed_uri);
REQUEST_STRING_ATTR_READER(request_get_uri, uri);
REQUEST_STRING_ATTR_WRITER(request_set_uri, uri);
REQUEST_STRING_ATTR_READER(request_get_filename, filename);
REQUEST_STRING_ATTR_WRITER(request_set_filename, filename);
REQUEST_STRING_ATTR_READER(request_get_path_info, path_info);
REQUEST_STRING_ATTR_WRITER(request_set_path_info, path_info);
REQUEST_INT_ATTR_READER(request_get_status, status);
REQUEST_INT_ATTR_WRITER(request_set_status, status);
REQUEST_STRING_ATTR_READER(request_get_status_line, status_line);
REQUEST_STRING_ATTR_WRITER(request_set_status_line, status_line);
REQUEST_STRING_ATTR_READER(request_the_request, the_request);
REQUEST_STRING_ATTR_READER(request_request_method, method);
REQUEST_INT_ATTR_READER(request_method_number, method_number);
REQUEST_INT_ATTR_READER(request_get_allowed, allowed);
REQUEST_INT_ATTR_WRITER(request_set_allowed, allowed);
REQUEST_STRING_ATTR_READER(request_get_args, args);
REQUEST_STRING_ATTR_WRITER(request_set_args, args);
REQUEST_STRING_ATTR_READER(request_get_content_type, content_type);
REQUEST_STRING_ATTR_READER(request_get_content_encoding, content_encoding);
REQUEST_STRING_ATTR_READER(request_get_dispatch_handler, handler);
REQUEST_STRING_ATTR_WRITER(request_set_dispatch_handler, handler);
static VALUE request_request_time(VALUE self)
{
request_data *data;
data = get_request_data(self);
return rb_time_new(apr_time_sec(data->request->request_time), 0);
}
static VALUE request_header_only(VALUE self)
{
request_data *data;
data = get_request_data(self);
return data->request->header_only ? Qtrue : Qfalse;
}
static VALUE request_content_length(VALUE self)
{
request_data *data;
const char *s;
rb_warn("content_length is obsolete; use headers_in[\"Content-Length\"] instead");
data = get_request_data(self);
s = apr_table_get(data->request->headers_in, "Content-Length");
return s ? rb_cstr2inum(s, 10) : Qnil;
}
static VALUE request_set_content_type(VALUE self, VALUE str)
{
request_data *data;
data = get_request_data(self);
if (NIL_P(str)) {
data->request->content_type = NULL;
}
else {
Check_Type(str, T_STRING);
data->request->content_type =
apr_pstrndup(data->request->pool,
RSTRING(str)->ptr, RSTRING(str)->len);
}
return str;
}
static VALUE request_set_content_encoding(VALUE self, VALUE str)
{
request_data *data;
data = get_request_data(self);
if (NIL_P(str)) {
data->request->content_encoding = NULL;
}
else {
Check_Type(str, T_STRING);
data->request->content_encoding =
apr_pstrndup(data->request->pool,
RSTRING(str)->ptr,
RSTRING(str)->len);
}
return str;
}
static VALUE request_get_content_languages(VALUE self)
{
request_data *data;
data = get_request_data(self);
if (data->request->content_languages) {
return rb_apache_array_new(data->request->content_languages);
}
else {
return Qnil;
}
}
static VALUE request_set_content_languages(VALUE self, VALUE ary)
{
request_data *data;
int i;
data = get_request_data(self);
if (NIL_P(ary)) {
data->request->content_languages = NULL;
}
else {
Check_Type(ary, T_ARRAY);
for (i = 0; i < RARRAY(ary)->len; i++) {
Check_Type(RARRAY(ary)->ptr[i], T_STRING);
}
data->request->content_languages =
apr_array_make(data->request->pool, RARRAY(ary)->len, sizeof(char *));
for (i = 0; i < RARRAY(ary)->len; i++) {
VALUE str = RARRAY(ary)->ptr[i];
*(char **) apr_array_push(data->request->content_languages) =
apr_pstrndup(data->request->pool,
RSTRING(str)->ptr,
RSTRING(str)->len);
}
}
return ary;
}
static VALUE request_headers_in(VALUE self)
{
request_data *data;
data = get_request_data(self);
if (NIL_P(data->headers_in)) {
data->headers_in = rb_apache_table_new(data->request->headers_in);
}
return data->headers_in;
}
static VALUE request_headers_out(VALUE self)
{
request_data *data;
data = get_request_data(self);
if (NIL_P(data->headers_out)) {
data->headers_out = rb_apache_table_new(data->request->headers_out);
}
return data->headers_out;
}
static VALUE request_err_headers_out(VALUE self)
{
request_data *data;
data = get_request_data(self);
if (NIL_P(data->err_headers_out)) {
data->err_headers_out =
rb_apache_table_new(data->request->err_headers_out);
}
return data->err_headers_out;
}
static VALUE request_subprocess_env(VALUE self)
{
request_data *data;
data = get_request_data(self);
if (NIL_P(data->subprocess_env)) {
data->subprocess_env =
rb_apache_table_new(data->request->subprocess_env);
}
return data->subprocess_env;
}
static VALUE request_notes(VALUE self)
{
request_data *data;
data = get_request_data(self);
if (NIL_P(data->notes)) {
data->notes =
rb_apache_table_new(data->request->notes);
}
return data->notes;
}
#ifdef APACHE2
#ifdef WIN32
typedef int mode_t;
#endif
static mode_t get_mode(apr_finfo_t *finfo)
{
mode_t mode = 0;
if (finfo->protection & APR_UREAD)
mode |= S_IRUSR;
if (finfo->protection & APR_UWRITE)
mode |= S_IWUSR;
if (finfo->protection & APR_UEXECUTE)
mode |= S_IXUSR;
if (finfo->protection & APR_GREAD)
mode |= S_IRGRP;
if (finfo->protection & APR_GWRITE)
mode |= S_IWGRP;
if (finfo->protection & APR_GEXECUTE)
mode |= S_IXGRP;
if (finfo->protection & APR_WREAD)
mode |= S_IROTH;
if (finfo->protection & APR_WWRITE)
mode |= S_IWOTH;
if (finfo->protection & APR_WEXECUTE)
mode |= S_IXOTH;
switch (finfo->filetype) {
case APR_REG:
mode |= S_IFREG;
break;
case APR_DIR:
mode |= S_IFDIR;
break;
case APR_CHR:
mode |= S_IFCHR;
break;
case APR_BLK:
#ifndef WIN32
mode |= S_IFBLK;
#endif
break;
case APR_PIPE:
#ifndef WIN32
mode |= S_IFIFO;
#endif
break;
case APR_LNK:
#ifndef WIN32
mode |= S_IFLNK;
#endif
break;
case APR_SOCK:
#if !defined(BEOS) && defined(S_ISSOCK)
mode |= S_IFSOCK;
#endif
break;
default:
break;
}
return mode;
}
#endif /* APACHE2 */
static VALUE request_finfo(VALUE self)
{
VALUE cStat;
request_data *data;
struct stat *st;
data = get_request_data(self);
if (NIL_P(data->finfo)) {
cStat = rb_const_get(rb_cFile, rb_intern("Stat"));
data->finfo = Data_Make_Struct(cStat, struct stat, NULL, free, st);
#ifdef APACHE2
memset(st, 0, sizeof(struct stat));
if (data->request->finfo.filetype != 0) {
st->st_dev = data->request->finfo.device;
st->st_ino = data->request->finfo.inode;
st->st_nlink = data->request->finfo.nlink;
st->st_mode = get_mode(&data->request->finfo);
st->st_uid = data->request->finfo.user;
st->st_gid = data->request->finfo.group;
st->st_size = data->request->finfo.size;
st->st_atime = apr_time_sec(data->request->finfo.atime);
st->st_mtime = apr_time_sec(data->request->finfo.mtime);
st->st_ctime = apr_time_sec(data->request->finfo.ctime);
}
#else /* Apache 1.x */
*st = data->request->finfo;
#endif
}
return data->finfo;
}
static VALUE request_attributes(VALUE self)
{
request_data *data;
data = get_request_data(self);
if (NIL_P(data->attributes))
data->attributes = rb_hash_new();
return data->attributes;
}
static VALUE request_setup_client_block(int argc, VALUE *argv, VALUE self)
{
request_data *data;
VALUE policy;
int read_policy = REQUEST_CHUNKED_ERROR;
data = get_request_data(self);
if (rb_scan_args(argc, argv, "01", &policy) == 1) {
read_policy = NUM2INT(policy);
}
return INT2NUM(ap_setup_client_block(data->request, read_policy));
}
static VALUE request_should_client_block(VALUE self)
{
request_data *data;
data = get_request_data(self);
return INT2BOOL(ap_should_client_block(data->request));
}
static VALUE request_get_client_block(VALUE self, VALUE length)
{
request_data *data;
int len;
VALUE result;
data = get_request_data(self);
len = NUM2INT(length);
#if RUBY_VERSION_CODE < 180
{
char *buf = (char *) ap_palloc(data->request->pool, len);
len = ap_get_client_block(data->request, buf, len);
result = rb_tainted_str_new(buf, len);
return result;
}
#else
result = rb_str_buf_new(len);
len = ap_get_client_block(data->request, RSTRING(result)->ptr, len);
switch (len) {
case -1:
rb_raise(rb_eApachePrematureChunkEndError, "premature chunk end");
break;
case 0:
return Qnil;
default:
RSTRING(result)->ptr[len] = '\0';
RSTRING(result)->len = len;
OBJ_TAINT(result);
return result;
}
#endif
}
static VALUE read_client_block(request_rec *r, int len)
{
char *buf;
int rc;
int nrd = 0;
int old_read_length;
VALUE result;
if (r->read_length == 0) {
if ((rc = ap_setup_client_block(r, REQUEST_CHUNKED_ERROR)) != OK) {
rb_apache_exit(rc);
}
}
old_read_length = r->read_length;
r->read_length = 0;
if (ap_should_client_block(r)) {
if (len < 0)
len = r->remaining;
buf = (char *) apr_palloc(r->pool, len);
result = rb_tainted_str_new("", 0);
while (len > 0) {
nrd = ap_get_client_block(r, buf, len);
if (nrd == 0) {
break;
}
if (nrd == -1) {
r->read_length += old_read_length;
rb_raise(rb_eApachePrematureChunkEndError, "premature chunk end");
}
rb_str_cat(result, buf, nrd);
len -= nrd;
}
}
else {
result = Qnil;
}
r->read_length += old_read_length;
return result;
}
static VALUE request_read(int argc, VALUE *argv, VALUE self)
{
request_data *data;
VALUE length;
int len;
data = get_request_data(self);
rb_scan_args(argc, argv, "01", &length);
if (NIL_P(length)) {
return read_client_block(data->request, -1);
}
len = NUM2INT(length);
if (len < 0) {
rb_raise(rb_eArgError, "negative length %d given", len);
}
return read_client_block(data->request, len);
}
static VALUE request_getc(VALUE self)
{