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/* ==================================================================== |
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* Licensed to the Apache Software Foundation (ASF) under one |
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* or more contributor license agreements. See the NOTICE file |
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* distributed with this work for additional information |
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* regarding copyright ownership. The ASF licenses this file |
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* to you under the Apache License, Version 2.0 (the |
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* "License"); you may not use this file except in compliance |
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* with the License. You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, |
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* software distributed under the License is distributed on an |
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
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* KIND, either express or implied. See the License for the |
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* specific language governing permissions and limitations |
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* under the License. |
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* ==================================================================== |
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*/ |
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|
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#include <stdlib.h> |
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|
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#include <apr.h> |
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#include <apr_uri.h> |
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#include <apr_strings.h> |
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#include <apr_atomic.h> |
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#include <apr_base64.h> |
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#include <apr_getopt.h> |
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#include <apr_version.h> |
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|
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#include "serf.h" |
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|
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typedef struct { |
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int count; |
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int using_ssl; |
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serf_ssl_context_t *ssl_ctx; |
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serf_bucket_alloc_t *bkt_alloc; |
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} app_baton_t; |
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|
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typedef struct { |
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#if APR_MAJOR_VERSION > 0 |
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apr_uint32_t requests_outstanding; |
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#else |
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apr_atomic_t requests_outstanding; |
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#endif |
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int print_headers; |
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|
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serf_response_acceptor_t acceptor; |
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app_baton_t *acceptor_baton; |
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|
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serf_response_handler_t handler; |
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|
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const char *host; |
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const char *method; |
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const char *path; |
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const char *req_body_path; |
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const char *authn; |
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} handler_baton_t; |
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|
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/* Kludges for APR 0.9 support. */ |
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#if APR_MAJOR_VERSION == 0 |
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#define apr_atomic_inc32 apr_atomic_inc |
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#define apr_atomic_dec32 apr_atomic_dec |
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#define apr_atomic_read32 apr_atomic_read |
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#endif |
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|
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static void closed_connection(serf_connection_t *conn, |
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void *closed_baton, |
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apr_status_t why, |
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apr_pool_t *pool) |
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{ |
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if (why) { |
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abort(); |
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} |
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} |
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|
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static apr_status_t ignore_all_cert_errors(void *data, int failures, |
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const serf_ssl_certificate_t *cert) |
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{ |
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/* In a real application, you would normally would not want to do this */ |
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return APR_SUCCESS; |
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} |
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|
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static apr_status_t conn_setup(apr_socket_t *skt, |
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serf_bucket_t **input_bkt, |
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serf_bucket_t **output_bkt, |
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void *setup_baton, |
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apr_pool_t *pool) |
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{ |
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serf_bucket_t *c; |
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app_baton_t *ctx = setup_baton; |
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|
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c = serf_bucket_socket_create(skt, ctx->bkt_alloc); |
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if (ctx->using_ssl) { |
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c = serf_bucket_ssl_decrypt_create(c, ctx->ssl_ctx, ctx->bkt_alloc); |
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if (!ctx->ssl_ctx) { |
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ctx->ssl_ctx = serf_bucket_ssl_decrypt_context_get(c); |
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} |
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serf_ssl_server_cert_callback_set(ctx->ssl_ctx, ignore_all_cert_errors, NULL); |
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|
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*output_bkt = serf_bucket_ssl_encrypt_create(*output_bkt, ctx->ssl_ctx, |
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ctx->bkt_alloc); |
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} |
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|
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*input_bkt = c; |
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|
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return APR_SUCCESS; |
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} |
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|
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static serf_bucket_t* accept_response(serf_request_t *request, |
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serf_bucket_t *stream, |
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void *acceptor_baton, |
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apr_pool_t *pool) |
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{ |
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serf_bucket_t *c; |
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serf_bucket_alloc_t *bkt_alloc; |
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|
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/* get the per-request bucket allocator */ |
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bkt_alloc = serf_request_get_alloc(request); |
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|
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/* Create a barrier so the response doesn't eat us! */ |
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c = serf_bucket_barrier_create(stream, bkt_alloc); |
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|
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return serf_bucket_response_create(c, bkt_alloc); |
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} |
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|
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static serf_bucket_t* accept_bwtp(serf_request_t *request, |
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serf_bucket_t *stream, |
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void *acceptor_baton, |
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apr_pool_t *pool) |
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{ |
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serf_bucket_t *c; |
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app_baton_t *app_ctx = acceptor_baton; |
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|
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/* Create a barrier so the response doesn't eat us! */ |
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c = serf_bucket_barrier_create(stream, app_ctx->bkt_alloc); |
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|
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return serf_bucket_bwtp_incoming_frame_create(c, app_ctx->bkt_alloc); |
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} |
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|
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/* fwd declare */ |
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static apr_status_t handle_bwtp_upgrade(serf_request_t *request, |
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serf_bucket_t *response, |
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void *handler_baton, |
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apr_pool_t *pool); |
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|
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static apr_status_t setup_request(serf_request_t *request, |
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void *setup_baton, |
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serf_bucket_t **req_bkt, |
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serf_response_acceptor_t *acceptor, |
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void **acceptor_baton, |
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serf_response_handler_t *handler, |
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void **handler_baton, |
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apr_pool_t *pool) |
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{ |
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handler_baton_t *ctx = setup_baton; |
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serf_bucket_t *hdrs_bkt; |
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serf_bucket_t *body_bkt; |
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|
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if (ctx->req_body_path) { |
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apr_file_t *file; |
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apr_status_t status; |
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|
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status = apr_file_open(&file, ctx->req_body_path, APR_READ, |
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APR_OS_DEFAULT, pool); |
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|
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if (status) { |
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printf("Error opening file (%s)\n", ctx->req_body_path); |
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return status; |
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} |
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|
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body_bkt = serf_bucket_file_create(file, |
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serf_request_get_alloc(request)); |
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} |
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else { |
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body_bkt = NULL; |
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} |
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|
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/* |
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*req_bkt = serf_bucket_bwtp_message_create(0, body_bkt, |
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serf_request_get_alloc(request)); |
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*/ |
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|
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*req_bkt = serf_bucket_bwtp_header_create(0, "MESSAGE", |
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serf_request_get_alloc(request)); |
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|
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hdrs_bkt = serf_bucket_bwtp_frame_get_headers(*req_bkt); |
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|
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/* FIXME: Shouldn't we be able to figure out the host ourselves? */ |
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serf_bucket_headers_setn(hdrs_bkt, "Host", ctx->host); |
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serf_bucket_headers_setn(hdrs_bkt, "User-Agent", |
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"Serf/" SERF_VERSION_STRING); |
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/* Shouldn't serf do this for us? */ |
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serf_bucket_headers_setn(hdrs_bkt, "Accept-Encoding", "gzip"); |
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|
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if (ctx->authn != NULL) { |
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serf_bucket_headers_setn(hdrs_bkt, "Authorization", ctx->authn); |
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} |
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|
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*acceptor = ctx->acceptor; |
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*acceptor_baton = ctx->acceptor_baton; |
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*handler = ctx->handler; |
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*handler_baton = ctx; |
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|
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return APR_SUCCESS; |
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} |
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|
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static apr_status_t setup_bwtp_upgrade(serf_request_t *request, |
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void *setup_baton, |
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serf_bucket_t **req_bkt, |
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serf_response_acceptor_t *acceptor, |
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void **acceptor_baton, |
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serf_response_handler_t *handler, |
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void **handler_baton, |
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apr_pool_t *pool) |
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{ |
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serf_bucket_t *hdrs_bkt; |
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handler_baton_t *ctx = setup_baton; |
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|
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*req_bkt = serf_bucket_request_create("OPTIONS", "*", NULL, |
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serf_request_get_alloc(request)); |
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|
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hdrs_bkt = serf_bucket_request_get_headers(*req_bkt); |
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|
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serf_bucket_headers_setn(hdrs_bkt, "Upgrade", "BWTP/1.0"); |
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serf_bucket_headers_setn(hdrs_bkt, "Connection", "Upgrade"); |
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|
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*acceptor = ctx->acceptor; |
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*acceptor_baton = ctx->acceptor_baton; |
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*handler = handle_bwtp_upgrade; |
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*handler_baton = ctx; |
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|
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return APR_SUCCESS; |
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} |
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|
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static apr_status_t setup_channel(serf_request_t *request, |
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void *setup_baton, |
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serf_bucket_t **req_bkt, |
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serf_response_acceptor_t *acceptor, |
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void **acceptor_baton, |
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serf_response_handler_t *handler, |
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void **handler_baton, |
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apr_pool_t *pool) |
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{ |
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handler_baton_t *ctx = setup_baton; |
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serf_bucket_t *hdrs_bkt; |
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|
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*req_bkt = serf_bucket_bwtp_channel_open(0, ctx->path, |
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serf_request_get_alloc(request)); |
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|
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hdrs_bkt = serf_bucket_bwtp_frame_get_headers(*req_bkt); |
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|
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/* FIXME: Shouldn't we be able to figure out the host ourselves? */ |
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serf_bucket_headers_setn(hdrs_bkt, "Host", ctx->host); |
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serf_bucket_headers_setn(hdrs_bkt, "User-Agent", |
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"Serf/" SERF_VERSION_STRING); |
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/* Shouldn't serf do this for us? */ |
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serf_bucket_headers_setn(hdrs_bkt, "Accept-Encoding", "gzip"); |
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|
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if (ctx->authn != NULL) { |
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serf_bucket_headers_setn(hdrs_bkt, "Authorization", ctx->authn); |
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} |
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|
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*acceptor = ctx->acceptor; |
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*acceptor_baton = ctx->acceptor_baton; |
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*handler = ctx->handler; |
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*handler_baton = ctx; |
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|
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return APR_SUCCESS; |
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} |
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|
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static apr_status_t setup_close(serf_request_t *request, |
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void *setup_baton, |
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serf_bucket_t **req_bkt, |
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serf_response_acceptor_t *acceptor, |
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void **acceptor_baton, |
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serf_response_handler_t *handler, |
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void **handler_baton, |
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apr_pool_t *pool) |
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{ |
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handler_baton_t *ctx = setup_baton; |
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|
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*req_bkt = serf_bucket_bwtp_channel_close(0, serf_request_get_alloc(request)); |
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|
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*acceptor = ctx->acceptor; |
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*acceptor_baton = ctx->acceptor_baton; |
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*handler = ctx->handler; |
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*handler_baton = ctx; |
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|
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return APR_SUCCESS; |
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} |
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|
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static apr_status_t handle_bwtp(serf_request_t *request, |
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serf_bucket_t *response, |
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void *handler_baton, |
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apr_pool_t *pool) |
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{ |
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const char *data; |
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apr_size_t len; |
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apr_status_t status; |
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|
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if (!response) { |
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/* A NULL response can come back if the request failed completely */ |
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return APR_EGENERAL; |
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} |
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status = serf_bucket_bwtp_incoming_frame_wait_for_headers(response); |
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if (SERF_BUCKET_READ_ERROR(status) || APR_STATUS_IS_EAGAIN(status)) { |
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return status; |
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} |
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printf("BWTP %p frame: %d %d %s\n", |
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response, serf_bucket_bwtp_frame_get_channel(response), |
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serf_bucket_bwtp_frame_get_type(response), |
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serf_bucket_bwtp_frame_get_phrase(response)); |
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|
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|
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while (1) { |
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status = serf_bucket_read(response, 2048, &data, &len); |
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if (SERF_BUCKET_READ_ERROR(status)) |
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return status; |
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|
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/* got some data. print it out. */ |
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if (len) { |
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puts("BWTP body:\n---"); |
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fwrite(data, 1, len, stdout); |
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puts("\n---"); |
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} |
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|
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/* are we done yet? */ |
| 329 |
if (APR_STATUS_IS_EOF(status)) { |
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return APR_EOF; |
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} |
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|
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/* have we drained the response so far? */ |
| 334 |
if (APR_STATUS_IS_EAGAIN(status)) |
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return status; |
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|
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/* loop to read some more. */ |
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} |
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/* NOTREACHED */ |
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} |
| 341 |
|
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static apr_status_t handle_bwtp_upgrade(serf_request_t *request, |
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serf_bucket_t *response, |
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void *handler_baton, |
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apr_pool_t *pool) |
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{ |
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const char *data; |
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apr_size_t len; |
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serf_status_line sl; |
| 350 |
apr_status_t status; |
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handler_baton_t *ctx = handler_baton; |
| 352 |
|
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if (!response) { |
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/* A NULL response can come back if the request failed completely */ |
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return APR_EGENERAL; |
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} |
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status = serf_bucket_response_status(response, &sl); |
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if (status) { |
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return status; |
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} |
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|
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while (1) { |
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status = serf_bucket_read(response, 2048, &data, &len); |
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if (SERF_BUCKET_READ_ERROR(status)) |
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return status; |
| 366 |
|
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/* got some data. print it out. */ |
| 368 |
fwrite(data, 1, len, stdout); |
| 369 |
|
| 370 |
/* are we done yet? */ |
| 371 |
if (APR_STATUS_IS_EOF(status)) { |
| 372 |
int i; |
| 373 |
serf_connection_t *conn; |
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serf_request_t *new_req; |
| 375 |
|
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conn = serf_request_get_conn(request); |
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|
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serf_connection_set_async_responses(conn, |
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accept_bwtp, ctx->acceptor_baton, handle_bwtp, NULL); |
| 380 |
|
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new_req = serf_connection_request_create(conn, setup_channel, ctx); |
| 382 |
for (i = 0; i < ctx->acceptor_baton->count; i++) { |
| 383 |
new_req = serf_connection_request_create(conn, |
| 384 |
setup_request, |
| 385 |
ctx); |
| 386 |
} |
| 387 |
|
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return APR_EOF; |
| 389 |
} |
| 390 |
|
| 391 |
/* have we drained the response so far? */ |
| 392 |
if (APR_STATUS_IS_EAGAIN(status)) |
| 393 |
return status; |
| 394 |
|
| 395 |
/* loop to read some more. */ |
| 396 |
} |
| 397 |
/* NOTREACHED */ |
| 398 |
} |
| 399 |
|
| 400 |
static apr_status_t handle_response(serf_request_t *request, |
| 401 |
serf_bucket_t *response, |
| 402 |
void *handler_baton, |
| 403 |
apr_pool_t *pool) |
| 404 |
{ |
| 405 |
const char *data; |
| 406 |
apr_size_t len; |
| 407 |
serf_status_line sl; |
| 408 |
apr_status_t status; |
| 409 |
handler_baton_t *ctx = handler_baton; |
| 410 |
|
| 411 |
if (!response) { |
| 412 |
/* A NULL response can come back if the request failed completely */ |
| 413 |
return APR_EGENERAL; |
| 414 |
} |
| 415 |
status = serf_bucket_response_status(response, &sl); |
| 416 |
if (status) { |
| 417 |
return status; |
| 418 |
} |
| 419 |
|
| 420 |
while (1) { |
| 421 |
status = serf_bucket_read(response, 2048, &data, &len); |
| 422 |
if (SERF_BUCKET_READ_ERROR(status)) |
| 423 |
return status; |
| 424 |
|
| 425 |
/* got some data. print it out. */ |
| 426 |
fwrite(data, 1, len, stdout); |
| 427 |
|
| 428 |
/* are we done yet? */ |
| 429 |
if (APR_STATUS_IS_EOF(status)) { |
| 430 |
if (ctx->print_headers) { |
| 431 |
serf_bucket_t *hdrs; |
| 432 |
hdrs = serf_bucket_response_get_headers(response); |
| 433 |
while (1) { |
| 434 |
status = serf_bucket_read(hdrs, 2048, &data, &len); |
| 435 |
if (SERF_BUCKET_READ_ERROR(status)) |
| 436 |
return status; |
| 437 |
|
| 438 |
fwrite(data, 1, len, stdout); |
| 439 |
if (APR_STATUS_IS_EOF(status)) { |
| 440 |
break; |
| 441 |
} |
| 442 |
} |
| 443 |
} |
| 444 |
|
| 445 |
apr_atomic_dec32(&ctx->requests_outstanding); |
| 446 |
if (!ctx->requests_outstanding) { |
| 447 |
serf_connection_t *conn; |
| 448 |
serf_request_t *new_req; |
| 449 |
|
| 450 |
conn = serf_request_get_conn(request); |
| 451 |
new_req = |
| 452 |
serf_connection_request_create(conn, setup_close, ctx); |
| 453 |
} |
| 454 |
return APR_EOF; |
| 455 |
} |
| 456 |
|
| 457 |
/* have we drained the response so far? */ |
| 458 |
if (APR_STATUS_IS_EAGAIN(status)) |
| 459 |
return status; |
| 460 |
|
| 461 |
/* loop to read some more. */ |
| 462 |
} |
| 463 |
/* NOTREACHED */ |
| 464 |
} |
| 465 |
|
| 466 |
static void print_usage(apr_pool_t *pool) |
| 467 |
{ |
| 468 |
puts("serf_get [options] URL"); |
| 469 |
puts("-h\tDisplay this help"); |
| 470 |
puts("-v\tDisplay version"); |
| 471 |
puts("-H\tPrint response headers"); |
| 472 |
puts("-n <count> Fetch URL <count> times"); |
| 473 |
puts("-a <user:password> Present Basic authentication credentials"); |
| 474 |
puts("-m <method> Use the <method> HTTP Method"); |
| 475 |
puts("-f <file> Use the <file> as the request body"); |
| 476 |
} |
| 477 |
|
| 478 |
int main(int argc, const char **argv) |
| 479 |
{ |
| 480 |
apr_status_t status; |
| 481 |
apr_pool_t *pool; |
| 482 |
apr_sockaddr_t *address; |
| 483 |
serf_context_t *context; |
| 484 |
serf_connection_t *connection; |
| 485 |
serf_request_t *request; |
| 486 |
app_baton_t app_ctx; |
| 487 |
handler_baton_t handler_ctx; |
| 488 |
apr_uri_t url; |
| 489 |
const char *raw_url, *method, *req_body_path = NULL; |
| 490 |
int i; |
| 491 |
int print_headers; |
| 492 |
char *authn = NULL; |
| 493 |
apr_getopt_t *opt; |
| 494 |
char opt_c; |
| 495 |
const char *opt_arg; |
| 496 |
|
| 497 |
apr_initialize(); |
| 498 |
atexit(apr_terminate); |
| 499 |
|
| 500 |
apr_pool_create(&pool, NULL); |
| 501 |
/* serf_initialize(); */ |
| 502 |
|
| 503 |
/* Default to one round of fetching. */ |
| 504 |
app_ctx.count = 1; |
| 505 |
/* Default to GET. */ |
| 506 |
method = "GET"; |
| 507 |
/* Do not print headers by default. */ |
| 508 |
print_headers = 0; |
| 509 |
|
| 510 |
apr_getopt_init(&opt, pool, argc, argv); |
| 511 |
|
| 512 |
while ((status = apr_getopt(opt, "a:f:hHm:n:v", &opt_c, &opt_arg)) == |
| 513 |
APR_SUCCESS) { |
| 514 |
int srclen, enclen; |
| 515 |
|
| 516 |
switch (opt_c) { |
| 517 |
case 'a': |
| 518 |
srclen = strlen(opt_arg); |
| 519 |
enclen = apr_base64_encode_len(srclen); |
| 520 |
authn = apr_palloc(pool, enclen + 6); |
| 521 |
strcpy(authn, "Basic "); |
| 522 |
(void) apr_base64_encode(&authn[6], opt_arg, srclen); |
| 523 |
break; |
| 524 |
case 'f': |
| 525 |
req_body_path = opt_arg; |
| 526 |
break; |
| 527 |
case 'h': |
| 528 |
print_usage(pool); |
| 529 |
exit(0); |
| 530 |
break; |
| 531 |
case 'H': |
| 532 |
print_headers = 1; |
| 533 |
break; |
| 534 |
case 'm': |
| 535 |
method = opt_arg; |
| 536 |
break; |
| 537 |
case 'n': |
| 538 |
errno = 0; |
| 539 |
app_ctx.count = apr_strtoi64(opt_arg, NULL, 10); |
| 540 |
if (errno) { |
| 541 |
printf("Problem converting number of times to fetch URL (%d)\n", |
| 542 |
errno); |
| 543 |
return errno; |
| 544 |
} |
| 545 |
break; |
| 546 |
case 'v': |
| 547 |
puts("Serf version: " SERF_VERSION_STRING); |
| 548 |
exit(0); |
| 549 |
default: |
| 550 |
break; |
| 551 |
} |
| 552 |
} |
| 553 |
|
| 554 |
if (opt->ind != opt->argc - 1) { |
| 555 |
print_usage(pool); |
| 556 |
exit(-1); |
| 557 |
} |
| 558 |
|
| 559 |
raw_url = argv[opt->ind]; |
| 560 |
|
| 561 |
apr_uri_parse(pool, raw_url, &url); |
| 562 |
if (!url.port) { |
| 563 |
url.port = apr_uri_port_of_scheme(url.scheme); |
| 564 |
} |
| 565 |
if (!url.path) { |
| 566 |
url.path = "/"; |
| 567 |
} |
| 568 |
|
| 569 |
if (strcasecmp(url.scheme, "https") == 0) { |
| 570 |
app_ctx.using_ssl = 1; |
| 571 |
} |
| 572 |
else { |
| 573 |
app_ctx.using_ssl = 0; |
| 574 |
} |
| 575 |
|
| 576 |
status = apr_sockaddr_info_get(&address, |
| 577 |
url.hostname, APR_UNSPEC, url.port, 0, |
| 578 |
pool); |
| 579 |
if (status) { |
| 580 |
printf("Error creating address: %d\n", status); |
| 581 |
apr_pool_destroy(pool); |
| 582 |
exit(1); |
| 583 |
} |
| 584 |
|
| 585 |
context = serf_context_create(pool); |
| 586 |
|
| 587 |
/* ### Connection or Context should have an allocator? */ |
| 588 |
app_ctx.bkt_alloc = serf_bucket_allocator_create(pool, NULL, NULL); |
| 589 |
app_ctx.ssl_ctx = NULL; |
| 590 |
|
| 591 |
connection = serf_connection_create(context, address, |
| 592 |
conn_setup, &app_ctx, |
| 593 |
closed_connection, &app_ctx, |
| 594 |
pool); |
| 595 |
|
| 596 |
handler_ctx.requests_outstanding = 0; |
| 597 |
handler_ctx.print_headers = print_headers; |
| 598 |
|
| 599 |
handler_ctx.host = url.hostinfo; |
| 600 |
handler_ctx.method = method; |
| 601 |
handler_ctx.path = url.path; |
| 602 |
handler_ctx.authn = authn; |
| 603 |
|
| 604 |
handler_ctx.req_body_path = req_body_path; |
| 605 |
|
| 606 |
handler_ctx.acceptor = accept_response; |
| 607 |
handler_ctx.acceptor_baton = &app_ctx; |
| 608 |
handler_ctx.handler = handle_response; |
| 609 |
|
| 610 |
request = serf_connection_request_create(connection, setup_bwtp_upgrade, |
| 611 |
&handler_ctx); |
| 612 |
|
| 613 |
for (i = 0; i < app_ctx.count; i++) { |
| 614 |
apr_atomic_inc32(&handler_ctx.requests_outstanding); |
| 615 |
} |
| 616 |
|
| 617 |
while (1) { |
| 618 |
status = serf_context_run(context, SERF_DURATION_FOREVER, pool); |
| 619 |
if (APR_STATUS_IS_TIMEUP(status)) |
| 620 |
continue; |
| 621 |
if (status) { |
| 622 |
char buf[200]; |
| 623 |
|
| 624 |
printf("Error running context: (%d) %s\n", status, |
| 625 |
apr_strerror(status, buf, sizeof(buf))); |
| 626 |
apr_pool_destroy(pool); |
| 627 |
exit(1); |
| 628 |
} |
| 629 |
if (!apr_atomic_read32(&handler_ctx.requests_outstanding)) { |
| 630 |
break; |
| 631 |
} |
| 632 |
/* Debugging purposes only! */ |
| 633 |
serf_debug__closed_conn(app_ctx.bkt_alloc); |
| 634 |
} |
| 635 |
|
| 636 |
serf_connection_close(connection); |
| 637 |
|
| 638 |
apr_pool_destroy(pool); |
| 639 |
return 0; |
| 640 |
} |
