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Rewritten spdycl as spdycat.

This commit is contained in:
Tatsuhiro Tsujikawa 2012-01-30 00:34:10 +09:00
parent 6e12291ae1
commit 0b57f01009
7 changed files with 1130 additions and 220 deletions
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236
examples/spdycat.cc Normal file
View File

@ -0,0 +1,236 @@
/*
* Spdylay - SPDY Library
*
* Copyright (c) 2012 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/epoll.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <signal.h>
#include <cassert>
#include <cstdio>
#include <cerrno>
#include <cstdlib>
#include <cstring>
#include <string>
#include <iostream>
#include <string>
#include <set>
#include <iomanip>
#include <fstream>
#include <openssl/ssl.h>
#include <openssl/err.h>
#include <spdylay/spdylay.h>
#include "spdylay_ssl.h"
#include "uri.h"
namespace spdylay {
std::string target_path;
int32_t target_stream_id;
bool debug = false;
extern bool ssl_debug;
void on_data_chunk_recv_callback
(spdylay_session *session, uint8_t flags, int32_t stream_id,
const uint8_t *data, size_t len, void *user_data)
{
if(!debug && stream_id == target_stream_id) {
std::cout.write(reinterpret_cast<const char*>(data), len);
}
}
void check_stream_id(spdylay_frame_type type, spdylay_frame *frame)
{
if(type == SPDYLAY_SYN_STREAM) {
for(int i = 0; frame->syn_stream.nv[i]; i += 2) {
if(strcmp("url", frame->syn_stream.nv[i]) == 0) {
if(target_path == frame->syn_stream.nv[i+1]) {
target_stream_id = frame->syn_stream.stream_id;
}
break;
}
}
}
}
void on_ctrl_send_callback2
(spdylay_session *session, spdylay_frame_type type, spdylay_frame *frame,
void *user_data)
{
check_stream_id(type, frame);
}
void on_ctrl_send_callback3
(spdylay_session *session, spdylay_frame_type type, spdylay_frame *frame,
void *user_data)
{
check_stream_id(type, frame);
on_ctrl_send_callback(session, type, frame, user_data);
}
void on_stream_close_callback
(spdylay_session *session, int32_t stream_id, spdylay_status_code status_code,
void *user_data)
{
if(target_stream_id == stream_id) {
spdylay_submit_goaway(session);
}
}
int communicate(const std::string& host, uint16_t port,
const std::string& path,
const spdylay_session_callbacks *callbacks)
{
target_path = path;
ssl_debug = debug;
int fd = connect_to(host, port);
if(fd == -1) {
std::cerr << "Could not connect to the host" << std::endl;
return -1;
}
SSL_CTX *ssl_ctx;
ssl_ctx = SSL_CTX_new(SSLv23_client_method());
if(!ssl_ctx) {
std::cerr << ERR_error_string(ERR_get_error(), 0) << std::endl;
return -1;
}
setup_ssl_ctx(ssl_ctx);
SSL *ssl = SSL_new(ssl_ctx);
if(!ssl) {
std::cerr << ERR_error_string(ERR_get_error(), 0) << std::endl;
return -1;
}
if(ssl_handshake(ssl, fd) == -1) {
return -1;
}
make_non_block(fd);
Spdylay sc(fd, ssl, callbacks);
int epollfd = epoll_create(1);
if(epollfd == -1) {
perror("epoll_create");
return -1;
}
sc.submit_request(path, 3);
ctl_epollev(epollfd, EPOLL_CTL_ADD, &sc);
static const size_t MAX_EVENTS = 1;
epoll_event events[MAX_EVENTS];
bool ok = true;
while(sc.want_read() || sc.want_write()) {
int nfds = epoll_wait(epollfd, events, MAX_EVENTS, -1);
if(nfds == -1) {
perror("epoll_wait");
return -1;
}
for(int n = 0; n < nfds; ++n) {
if(((events[n].events & EPOLLIN) && sc.recv() != 0) ||
((events[n].events & EPOLLOUT) && sc.send() != 0)) {
ok = false;
std::cout << "Fatal" << std::endl;
break;
}
if((events[n].events & EPOLLHUP) || (events[n].events & EPOLLERR)) {
std::cout << "HUP" << std::endl;
ok = false;
break;
}
}
if(!ok) {
break;
}
ctl_epollev(epollfd, EPOLL_CTL_MOD, &sc);
}
SSL_shutdown(ssl);
SSL_free(ssl);
SSL_CTX_free(ssl_ctx);
shutdown(fd, SHUT_WR);
close(fd);
return ok ? 0 : -1;
}
int run(const std::string& host, uint16_t port, const std::string& path)
{
spdylay_session_callbacks callbacks;
memset(&callbacks, 0, sizeof(spdylay_session_callbacks));
callbacks.send_callback = send_callback;
callbacks.recv_callback = recv_callback;
callbacks.on_stream_close_callback = on_stream_close_callback;
if(debug) {
callbacks.on_ctrl_recv_callback = on_ctrl_recv_callback;
callbacks.on_data_recv_callback = on_data_recv_callback;
callbacks.on_ctrl_send_callback = on_ctrl_send_callback3;
} else {
callbacks.on_ctrl_send_callback = on_ctrl_send_callback2;
callbacks.on_data_chunk_recv_callback = on_data_chunk_recv_callback;
}
return communicate(host, port, path, &callbacks);
}
} // namespace spdylay
void print_usage(const char *prog)
{
std::cerr << "Usage: " << prog << " [-d] URI" << std::endl;
std::cerr << " Get the resource identified by URI via spdy/2 protocol and\n"
<< " output the resource.\n"
<< "\n"
<< " -d: Output debug information instead of output the resource."
<< std::endl;
}
int main(int argc, char **argv)
{
std::string uri;
if(argc == 2) {
spdylay::debug = false;
uri = argv[1];
} else if(argc == 3 && strcmp(argv[1], "-d") == 0) {
spdylay::debug = true;
uri = argv[2];
} else {
print_usage(basename(argv[0]));
exit(EXIT_FAILURE);
}
struct sigaction act;
memset(&act, 0, sizeof(struct sigaction));
act.sa_handler = SIG_IGN;
sigaction(SIGPIPE, &act, 0);
SSL_load_error_strings();
SSL_library_init();
spdylay::uri::UriStruct us;
if(!spdylay::uri::parse(us, uri)) {
std::cerr << "Could not parse URI" << std::endl;
exit(EXIT_FAILURE);
}
spdylay::run(us.host, us.port, us.dir+us.file+us.query);
return 0;
}

345
examples/spdycl.cc → examples/spdylay_ssl.cc
View File

@ -30,7 +30,6 @@
#include <sys/epoll.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <signal.h>
#include <cassert>
#include <cstdio>
@ -44,20 +43,99 @@
#include <iomanip>
#include <fstream>
#include <openssl/ssl.h>
#include <openssl/err.h>
#include <spdylay/spdylay.h>
#include "spdylay_ssl.h"
int connect_to(const char *host, const char *service)
namespace spdylay {
bool ssl_debug = false;
Spdylay::Spdylay(int fd, SSL *ssl, const spdylay_session_callbacks *callbacks)
: fd_(fd), ssl_(ssl), want_write_(false)
{
spdylay_session_client_new(&session_, callbacks, this);
}
Spdylay::~Spdylay()
{
spdylay_session_del(session_);
}
int Spdylay::recv()
{
return spdylay_session_recv(session_);
}
int Spdylay::send()
{
return spdylay_session_send(session_);
}
ssize_t Spdylay::send_data(const uint8_t *data, size_t len, int flags)
{
ssize_t r;
r = SSL_write(ssl_, data, len);
return r;
}
ssize_t Spdylay::recv_data(uint8_t *data, size_t len, int flags)
{
ssize_t r;
want_write_ = false;
r = SSL_read(ssl_, data, len);
if(r < 0) {
if(SSL_get_error(ssl_, r) == SSL_ERROR_WANT_WRITE) {
want_write_ = true;
}
}
return r;
}
bool Spdylay::want_read()
{
return spdylay_session_want_read(session_);
}
bool Spdylay::want_write()
{
return spdylay_session_want_write(session_) || want_write_;
}
int Spdylay::fd() const
{
return fd_;
}
int Spdylay::submit_request(const std::string& path, uint8_t pri)
{
const char *nv[] = {
"method", "GET",
"scheme", "https",
"url", path.c_str(),
"user-agent", "spdylay/0.0.0",
"version", "HTTP/1.1",
NULL
};
return spdylay_submit_request(session_, pri, nv, NULL);
}
bool Spdylay::would_block(int r)
{
int e = SSL_get_error(ssl_, r);
return e == SSL_ERROR_WANT_WRITE || e == SSL_ERROR_WANT_READ;
}
int connect_to(const std::string& host, uint16_t port)
{
struct addrinfo hints;
int fd = -1;
int r;
char service[10];
snprintf(service, sizeof(service), "%u", port);
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
struct addrinfo *res;
r = getaddrinfo(host, service, &hints, &res);
r = getaddrinfo(host.c_str(), service, &hints, &res);
if(r != 0) {
std::cerr << "getaddrinfo: " << gai_strerror(r) << std::endl;
return -1;
@ -93,89 +171,11 @@ int make_non_block(int fd)
return 0;
}
class SpdylayClient {
public:
SpdylayClient(int fd, SSL *ssl,
const spdylay_session_callbacks *callbacks)
: fd_(fd), ssl_(ssl), want_write_(false)
{
spdylay_session_client_new(&session_, callbacks, this);
}
~SpdylayClient()
{
spdylay_session_del(session_);
SSL_shutdown(ssl_);
shutdown(fd_, SHUT_WR);
close(fd_);
SSL_free(ssl_);
}
int on_read_event()
{
return spdylay_session_recv(session_);
}
int on_write_event()
{
return spdylay_session_send(session_);
}
ssize_t send_data(const uint8_t *data, size_t len, int flags)
{
ssize_t r;
r = SSL_write(ssl_, data, len);
return r;
}
ssize_t recv_data(uint8_t *data, size_t len, int flags)
{
ssize_t r;
want_write_ = false;
r = SSL_read(ssl_, data, len);
if(r < 0) {
if(SSL_get_error(ssl_, r) == SSL_ERROR_WANT_WRITE) {
want_write_ = true;
}
}
return r;
}
bool want_read()
{
return spdylay_session_want_read(session_);
}
bool want_write()
{
return spdylay_session_want_write(session_) || want_write_;
}
int fd() const
{
return fd_;
}
int submit_request(const char *path)
{
const char *nv[] = {
"method", "GET",
"scheme", "https",
"url", path,
"user-agent", "spdylay/0.0.0",
"version", "HTTP/1.1",
NULL
};
return spdylay_submit_request(session_, 3, nv);
}
bool would_block(int r)
{
int e = SSL_get_error(ssl_, r);
return e == SSL_ERROR_WANT_WRITE || e == SSL_ERROR_WANT_READ;
}
private:
int fd_;
SSL *ssl_;
spdylay_session *session_;
bool want_write_;
};
ssize_t send_callback(spdylay_session *session,
const uint8_t *data, size_t len, int flags,
void *user_data)
{
SpdylayClient *sc = (SpdylayClient*)user_data;
Spdylay *sc = (Spdylay*)user_data;
ssize_t r = sc->send_data(data, len, flags);
if(r < 0) {
if(sc->would_block(r)) {
@ -190,7 +190,7 @@ ssize_t send_callback(spdylay_session *session,
ssize_t recv_callback(spdylay_session *session,
uint8_t *data, size_t len, int flags, void *user_data)
{
SpdylayClient *sc = (SpdylayClient*)user_data;
Spdylay *sc = (Spdylay*)user_data;
ssize_t r = sc->recv_data(data, len, flags);
if(r < 0) {
if(sc->would_block(r)) {
@ -204,14 +204,6 @@ ssize_t recv_callback(spdylay_session *session,
return r;
}
void print_nv(char **nv)
{
int i;
for(i = 0; nv[i]; i += 2) {
printf(" %s: %s\n", nv[i], nv[i+1]);
}
}
static const char *ctrl_names[] = {
"SYN_STREAM",
"SYN_REPLY",
@ -223,6 +215,14 @@ static const char *ctrl_names[] = {
"HEADERS"
};
void print_nv(char **nv)
{
int i;
for(i = 0; nv[i]; i += 2) {
printf(" %s: %s\n", nv[i], nv[i+1]);
}
}
void on_ctrl_recv_callback
(spdylay_session *session, spdylay_frame_type type, spdylay_frame *frame,
void *user_data)
@ -235,26 +235,25 @@ void on_ctrl_recv_callback
frame->syn_reply.hd.length);
print_nv(frame->syn_reply.nv);
break;
case SPDYLAY_PING:
printf("(unique_id=%d)\n", frame->ping.unique_id);
break;
default:
printf("\n");
break;
}
fflush(stdout);
}
void on_data_chunk_recv_callback
(spdylay_session *session, uint8_t flags, int32_t stream_id,
const uint8_t *data, size_t len, void *user_data)
{}
void on_data_recv_callback
(spdylay_session *session, uint8_t flags, int32_t stream_id, int32_t length,
void *user_data)
{
printf("recv DATA frame (stream_id=%d, flags=%d, length=%d)\n",
stream_id, flags, length);
if(flags & SPDYLAY_FLAG_FIN) {
spdylay_submit_goaway(session);
}
// if(flags & SPDYLAY_FLAG_FIN) {
// spdylay_submit_ping(session);
// }
fflush(stdout);
}
@ -270,25 +269,30 @@ void on_ctrl_send_callback
frame->syn_stream.hd.length);
print_nv(frame->syn_stream.nv);
break;
case SPDYLAY_PING:
printf("(unique_id=%d)\n", frame->ping.unique_id);
break;
case SPDYLAY_GOAWAY:
printf("(last_good_stream_id=%d)\n", frame->goaway.last_good_stream_id);
break;
default:
printf("\n");
break;
}
fflush(stdout);
}
void ctl_epollev(int epollfd, int op, SpdylayClient& sc)
void ctl_epollev(int epollfd, int op, Spdylay *sc)
{
epoll_event ev;
memset(&ev, 0, sizeof(ev));
if(sc.want_read()) {
if(sc->want_read()) {
ev.events |= EPOLLIN;
}
if(sc.want_write()) {
if(sc->want_write()) {
ev.events |= EPOLLOUT;
}
if(epoll_ctl(epollfd, op, sc.fd(), &ev) == -1) {
if(epoll_ctl(epollfd, op, sc->fd(), &ev) == -1) {
perror("epoll_ctl");
exit(EXIT_FAILURE);
}
@ -301,143 +305,44 @@ int select_next_proto_cb(SSL* ssl,
{
*out = (unsigned char*)in+1;
*outlen = in[0];
std::cout << "NPN select next proto: server offers:" << std::endl;
if(ssl_debug) {
std::cout << "NPN select next proto: server offers:" << std::endl;
}
for(unsigned int i = 0; i < inlen; i += in[i]+1) {
std::cout << "* " << std::string(&in[i+1], &in[i+1]+in[i]) << std::endl;
if(ssl_debug) {
std::cout << " * ";
std::cout.write(reinterpret_cast<const char*>(&in[i+1]), in[i]);
std::cout << std::endl;
}
if(in[i] == 6 && memcmp(&in[i+1], "spdy/2", in[i]) == 0) {
*out = (unsigned char*)in+i+1;
*outlen = in[i];
}
}
return SSL_TLSEXT_ERR_OK;
int status = SSL_select_next_proto(out, outlen, in, inlen,
(const unsigned char*)"spdy/2", 6);
switch(status) {
case OPENSSL_NPN_UNSUPPORTED:
std::cerr << "npn unsupported" << std::endl;
break;
case OPENSSL_NPN_NEGOTIATED:
std::cout << "npn negotiated" << std::endl;
break;
case OPENSSL_NPN_NO_OVERLAP:
std::cout << "npn no overlap" << std::endl;
break;
default:
std::cout << "not reached?" << std::endl;
}
return SSL_TLSEXT_ERR_OK;
}
int communicate(const char *host, const char *service, const char *path,
const spdylay_session_callbacks *callbacks)
void setup_ssl_ctx(SSL_CTX *ssl_ctx)
{
int r;
int fd = connect_to(host, service);
if(fd == -1) {
std::cerr << "Could not connect to the host" << std::endl;
return -1;
}
SSL_CTX *ssl_ctx;
ssl_ctx = SSL_CTX_new(SSLv23_client_method());
if(!ssl_ctx) {
std::cerr << ERR_error_string(ERR_get_error(), 0) << std::endl;
return -1;
}
/* Disable SSLv2 and enable all workarounds for buggy servers */
SSL_CTX_set_options(ssl_ctx, SSL_OP_ALL|SSL_OP_NO_SSLv2);
SSL_CTX_set_mode(ssl_ctx, SSL_MODE_AUTO_RETRY);
SSL_CTX_set_mode(ssl_ctx, SSL_MODE_RELEASE_BUFFERS);
SSL_CTX_set_next_proto_select_cb(ssl_ctx, select_next_proto_cb, 0);
}
SSL *ssl = SSL_new(ssl_ctx);
if(!ssl) {
std::cerr << ERR_error_string(ERR_get_error(), 0) << std::endl;
return -1;
}
int ssl_handshake(SSL *ssl, int fd)
{
if(SSL_set_fd(ssl, fd) == 0) {
std::cerr << ERR_error_string(ERR_get_error(), 0) << std::endl;
return -1;
}
r = SSL_connect(ssl);
int r = SSL_connect(ssl);
if(r <= 0) {
std::cerr << ERR_error_string(ERR_get_error(), 0) << std::endl;
return -1;
}
make_non_block(fd);
SpdylayClient sc(fd, ssl, callbacks);
int epollfd = epoll_create(1);
if(epollfd == -1) {
perror("epoll_create");
return -1;
}
sc.submit_request(path);
ctl_epollev(epollfd, EPOLL_CTL_ADD, sc);
static const size_t MAX_EVENTS = 1;
epoll_event events[MAX_EVENTS];
bool ok = true;
while(sc.want_read() || sc.want_write()) {
int nfds = epoll_wait(epollfd, events, MAX_EVENTS, -1);
if(nfds == -1) {
perror("epoll_wait");
return -1;
}
for(int n = 0; n < nfds; ++n) {
if(((events[n].events & EPOLLIN) && sc.on_read_event() != 0) ||
((events[n].events & EPOLLOUT) && sc.on_write_event() != 0)) {
ok = false;
std::cout << "Fatal" << std::endl;
break;
}
if((events[n].events & EPOLLHUP) || (events[n].events & EPOLLERR)) {
std::cout << "HUP" << std::endl;
ok = false;
break;
}
}
if(!ok) {
break;
}
ctl_epollev(epollfd, EPOLL_CTL_MOD, sc);
}
return ok ? 0 : -1;
}
int run(const char *host, const char *service, const char *path)
{
spdylay_session_callbacks callbacks;
memset(&callbacks, 0, sizeof(spdylay_session_callbacks));
callbacks.send_callback = send_callback;
callbacks.recv_callback = recv_callback;
callbacks.on_ctrl_recv_callback = on_ctrl_recv_callback;
callbacks.on_data_chunk_recv_callback = on_data_chunk_recv_callback;
callbacks.on_data_recv_callback = on_data_recv_callback;
callbacks.on_ctrl_send_callback = on_ctrl_send_callback;
return communicate(host, service, path, &callbacks);
}
int main(int argc, char **argv)
{
if(argc < 2) {
std::cerr << "Usage: " << argv[0] << " HOST PORT PATH" << std::endl;
exit(EXIT_FAILURE);
}
struct sigaction act;
memset(&act, 0, sizeof(struct sigaction));
act.sa_handler = SIG_IGN;
sigaction(SIGPIPE, &act, 0);
const char *host = argv[1];
const char *service = argv[2];
const char *path = argv[3];
SSL_load_error_strings();
SSL_library_init();
run(host, service, path);
return 0;
}
} // namespace spdylay

98
examples/spdylay_ssl.h Normal file
View File

@ -0,0 +1,98 @@
/*
* Spdylay - SPDY Library
*
* Copyright (c) 2012 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef SPDYLAY_SSL_H
#define SPDYLAY_SSL_H
#include <stdint.h>
#include <cstdlib>
#include <openssl/ssl.h>
#include <openssl/err.h>
#include <spdylay/spdylay.h>
namespace spdylay {
extern bool ssl_debug;
class Spdylay {
public:
Spdylay(int fd, SSL *ssl, const spdylay_session_callbacks *callbacks);
~Spdylay();
int recv();
int send();
ssize_t send_data(const uint8_t *data, size_t len, int flags);
ssize_t recv_data(uint8_t *data, size_t len, int flags);
bool want_read();
bool want_write();
int fd() const;
int submit_request(const std::string& path, uint8_t pri);
bool would_block(int r);
private:
int fd_;
SSL *ssl_;
spdylay_session *session_;
bool want_write_;
bool debug_;
};
int connect_to(const std::string& host, uint16_t port);
int make_non_block(int fd);
ssize_t send_callback(spdylay_session *session,
const uint8_t *data, size_t len, int flags,
void *user_data);
ssize_t recv_callback(spdylay_session *session,
uint8_t *data, size_t len, int flags, void *user_data);
void print_nv(char **nv);
void on_ctrl_recv_callback
(spdylay_session *session, spdylay_frame_type type, spdylay_frame *frame,
void *user_data);
void on_data_recv_callback
(spdylay_session *session, uint8_t flags, int32_t stream_id, int32_t length,
void *user_data);
void on_ctrl_send_callback
(spdylay_session *session, spdylay_frame_type type, spdylay_frame *frame,
void *user_data);
void ctl_epollev(int epollfd, int op, Spdylay *sc);
int select_next_proto_cb(SSL* ssl,
unsigned char **out, unsigned char *outlen,
const unsigned char *in, unsigned int inlen,
void *arg);
void setup_ssl_ctx(SSL_CTX *ssl_ctx);
int ssl_handshake(SSL *ssl, int fd);
} // namespace spdylay
#endif // SPDYLAY_SSL_H

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/*
* Spdylay - SPDY Library
*
* Copyright (c) 2012 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "uri.h"
#include <cerrno>
#include <cstdio>
#include <vector>
#include "util.h"
namespace spdylay {
namespace uri {
UriStruct::UriStruct()
: port(0), hasPassword(false), ipv6LiteralAddress(false)
{}
UriStruct::UriStruct(const UriStruct& c)
: protocol(c.protocol),
host(c.host),
port(c.port),
dir(c.dir),
file(c.file),
query(c.query),
username(c.username),
password(c.password),
hasPassword(c.hasPassword),
ipv6LiteralAddress(c.ipv6LiteralAddress)
{}
UriStruct::~UriStruct() {}
UriStruct& UriStruct::operator=(const UriStruct& c)
{
if(this != &c) {
protocol = c.protocol;
host = c.host;
port = c.port;
dir = c.dir;
file = c.file;
query = c.query;
username = c.username;
password = c.password;
hasPassword = c.hasPassword;
ipv6LiteralAddress = c.ipv6LiteralAddress;
}
return *this;
}
void UriStruct::swap(UriStruct& other)
{
using std::swap;
if(this != &other) {
swap(protocol, other.protocol);
swap(host, other.host);
swap(port, other.port);
swap(dir, other.dir);
swap(file, other.file);
swap(query, other.query);
swap(username, other.username);
swap(password, other.password);
swap(hasPassword, other.hasPassword);
swap(ipv6LiteralAddress, other.ipv6LiteralAddress);
}
}
void swap(UriStruct& lhs, UriStruct& rhs)
{
lhs.swap(rhs);
}
bool parse(UriStruct& result, const std::string& uri)
{
// http://user:password@aria2.sourceforge.net:80/dir/file?query#fragment
// | || || | | | |
// | || hostLast| | | | |
// | || portFirst| | | |
// authorityFirst || authorityLast | | |
// || | | | |
// userInfoLast | | | |
// | | | | |
// hostPortFirst | | | |
// | | | |
// dirFirst dirLast| |
// | |
// queryFirst fragmentFirst
// find fragment part
std::string::const_iterator fragmentFirst = uri.begin();
for(; fragmentFirst != uri.end(); ++fragmentFirst) {
if(*fragmentFirst == '#') break;
}
// find query part
std::string::const_iterator queryFirst = uri.begin();
for(; queryFirst != fragmentFirst; ++queryFirst) {
if(*queryFirst == '?') break;
}
result.query.assign(queryFirst, fragmentFirst);
// find protocol
std::string::size_type protocolOffset = uri.find("://");
if(protocolOffset == std::string::npos) return false;
result.protocol.assign(uri.begin(), uri.begin()+protocolOffset);
uint16_t defPort;
if(result.protocol == "http") {
defPort = 80;
} else if(result.protocol == "https") {
defPort = 443;
} else {
return false;
}
// find authority
std::string::const_iterator authorityFirst = uri.begin()+protocolOffset+3;
std::string::const_iterator authorityLast = authorityFirst;
for(; authorityLast != queryFirst; ++authorityLast) {
if(*authorityLast == '/') break;
}
if(authorityFirst == authorityLast) {
// No authority found
return false;
}
// find userinfo(username and password) in authority if they exist
result.username = "";
result.password = "";
result.hasPassword = false;
std::string::const_iterator userInfoLast = authorityLast;
std::string::const_iterator hostPortFirst = authorityFirst;
for(; userInfoLast != authorityFirst-1; --userInfoLast) {
if(*userInfoLast == '@') {
hostPortFirst = userInfoLast;
++hostPortFirst;
std::string::const_iterator userLast = authorityFirst;
for(; userLast != userInfoLast; ++userLast) {
if(*userLast == ':') {
result.password =
util::percentDecode(userLast+1,userInfoLast);
result.hasPassword = true;
break;
}
}
result.username =
util::percentDecode(authorityFirst, userLast);
break;
}
}
std::string::const_iterator hostLast = hostPortFirst;
std::string::const_iterator portFirst = authorityLast;
result.ipv6LiteralAddress = false;
if(*hostPortFirst == '[') {
// Detected IPv6 literal address in square brackets
for(; hostLast != authorityLast; ++hostLast) {
if(*hostLast == ']') {
++hostLast;
if(hostLast == authorityLast) {
result.ipv6LiteralAddress = true;
} else {
if(*hostLast == ':') {
portFirst = hostLast;
++portFirst;
result.ipv6LiteralAddress = true;
}
}
break;
}
}
if(!result.ipv6LiteralAddress) {
return false;
}
} else {
for(; hostLast != authorityLast; ++hostLast) {
if(*hostLast == ':') {
portFirst = hostLast;
++portFirst;
break;
}
}
}
if(hostPortFirst == hostLast) {
// No host
return false;
}
if(portFirst == authorityLast) {
// If port is not specified, then we set it to default port of
// its protocol..
result.port = defPort;
} else {
errno = 0;
uint32_t tempPort = strtol(std::string(portFirst, authorityLast).c_str(),
0, 10);
if(errno != 0) {
return false;
} else if(65535 < tempPort) {
return false;
}
}
if(result.ipv6LiteralAddress) {
result.host.assign(hostPortFirst+1, hostLast-1);
} else {
result.host.assign(hostPortFirst, hostLast);
}
// find directory and file part
std::string::const_iterator dirLast = authorityLast;
for(std::string::const_iterator i = authorityLast;
i != queryFirst; ++i) {
if(*i == '/') {
dirLast = i+1;
}
}
if(dirLast == queryFirst) {
result.file = "";
} else {
result.file.assign(dirLast, queryFirst);
}
// dirFirst == authorityLast
if(authorityLast == dirLast) {
result.dir = "/";
} else {
result.dir.assign(authorityLast, dirLast);
}
return true;
}
std::string construct(const UriStruct& us)
{
std::string res;
res += us.protocol;
res += "://";
if(!us.username.empty()) {
res += util::percentEncode(us.username);
if(us.hasPassword) {
res += ":";
res += util::percentEncode(us.password);
}
res += "@";
}
if(us.ipv6LiteralAddress) {
res += "[";
res += us.host;
res += "]";
} else {
res += us.host;
}
uint16_t defPort;
if(us.protocol == "http") {
defPort = 80;
} else if(us.protocol == "https") {
defPort = 443;
} else {
defPort = 0;
}
if(us.port != 0 && defPort != us.port) {
char temp[10];
snprintf(temp, sizeof(temp), ":%u", us.port);
res += temp;
}
res += us.dir;
if(us.dir.empty() || us.dir[us.dir.size()-1] != '/') {
res += "/";
}
res += us.file;
res += us.query;
return res;
}
std::string joinUri(const std::string& baseUri, const std::string& uri)
{
UriStruct us;
if(parse(us, uri)) {
return uri;
} else {
UriStruct bus;
if(!parse(bus, baseUri)) {
return uri;
}
std::vector<std::string> parts;
if(uri.empty() || uri[0] != '/') {
util::split(bus.dir.begin(), bus.dir.end(), std::back_inserter(parts),
'/');
}
std::string::const_iterator qend;
for(qend = uri.begin(); qend != uri.end(); ++qend) {
if(*qend == '#') {
break;
}
}
std::string::const_iterator end;
for(end = uri.begin(); end != qend; ++end) {
if(*end == '?') {
break;
}
}
util::split(uri.begin(), end, std::back_inserter(parts), '/');
bus.dir.clear();
bus.file.clear();
bus.query.clear();
std::string res = construct(bus);
res += util::joinPath(parts.begin(), parts.end());
if((uri.begin() == end || *(end-1) == '/') && *(res.end()-1) != '/') {
res += "/";
}
res.append(end, qend);
return res;
}
}
} // namespace uri
} // namespace spdylay

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/*
* Spdylay - SPDY Library
*
* Copyright (c) 2012 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef URI_H
#define URI_H
#include <stdint.h>
#include <string>
namespace spdylay {
namespace uri {
struct UriStruct {
std::string protocol;
std::string host;
uint16_t port;
std::string dir;
std::string file;
std::string query;
std::string username;
std::string password;
bool hasPassword;
bool ipv6LiteralAddress;
UriStruct();
UriStruct(const UriStruct& c);
~UriStruct();
UriStruct& operator=(const UriStruct& c);
void swap(UriStruct& other);
};
void swap(UriStruct& lhs, UriStruct& rhs);
// Splits URI uri into components and stores them into result. On
// success returns true. Otherwise returns false and result is
// undefined.
bool parse(UriStruct& result, const std::string& uri);
std::string construct(const UriStruct& us);
std::string joinUri(const std::string& baseUri, const std::string& uri);
} // namespace uri
} // namespace spdylay
#endif // URI_H

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/*
* Spdylay - SPDY Library
*
* Copyright (c) 2012 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "util.h"
#include <cstdio>
namespace spdylay {
namespace util {
const std::string DEFAULT_STRIP_CHARSET("\r\n\t ");
bool isAlpha(const char c)
{
return ('A' <= c && c <= 'Z') || ('a' <= c && c <= 'z');
}
bool isDigit(const char c)
{
return '0' <= c && c <= '9';
}
bool isHexDigit(const char c)
{
return isDigit(c) || ('A' <= c && c <= 'F') || ('a' <= c && c <= 'f');
}
bool inRFC3986UnreservedChars(const char c)
{
static const char unreserved[] = { '-', '.', '_', '~' };
return isAlpha(c) || isDigit(c) ||
std::find(&unreserved[0], &unreserved[4], c) != &unreserved[4];
}
std::string percentEncode(const unsigned char* target, size_t len)
{
std::string dest;
for(size_t i = 0; i < len; ++i) {
if(inRFC3986UnreservedChars(target[i])) {
dest += target[i];
} else {
char temp[4];
snprintf(temp, sizeof(temp), "%%%02X", target[i]);
dest.append(temp);
//dest.append(fmt("%%%02X", target[i]));
}
}
return dest;
}
std::string percentEncode(const std::string& target)
{
return percentEncode(reinterpret_cast<const unsigned char*>(target.c_str()),
target.size());
}
std::string percentDecode
(std::string::const_iterator first, std::string::const_iterator last)
{
std::string result;
for(; first != last; ++first) {
if(*first == '%') {
if(first+1 != last && first+2 != last &&
isHexDigit(*(first+1)) && isHexDigit(*(first+2))) {
std::string numstr(first+1, first+3);
result += strtol(numstr.c_str(), 0, 16);
first += 2;
} else {
result += *first;
}
} else {
result += *first;
}
}
return result;
}
} // namespace util
} // namespace spdylay

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/*
* Spdylay - SPDY Library
*
* Copyright (c) 2012 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef UTIL_H
#define UTIL_H
#include <vector>
#include <string>
#include <algorithm>
namespace spdylay {
namespace util {
extern const std::string DEFAULT_STRIP_CHARSET;
template<typename InputIterator>
std::pair<InputIterator, InputIterator> stripIter
(InputIterator first, InputIterator last,
const std::string& chars = DEFAULT_STRIP_CHARSET)
{
for(; first != last &&
std::find(chars.begin(), chars.end(), *first) != chars.end(); ++first);
if(first == last) {
return std::make_pair(first, last);
}
InputIterator left = last-1;
for(; left != first &&
std::find(chars.begin(), chars.end(), *left) != chars.end(); --left);
return std::make_pair(first, left+1);
}
template<typename InputIterator, typename OutputIterator>
OutputIterator splitIter
(InputIterator first,
InputIterator last,
OutputIterator out,
char delim,
bool doStrip = false,
bool allowEmpty = false)
{
for(InputIterator i = first; i != last;) {
InputIterator j = std::find(i, last, delim);
std::pair<InputIterator, InputIterator> p(i, j);
if(doStrip) {
p = stripIter(i, j);
}
if(allowEmpty || p.first != p.second) {
*out++ = p;
}
i = j;
if(j != last) {
++i;
}
}
if(allowEmpty &&
(first == last || *(last-1) == delim)) {
*out++ = std::make_pair(last, last);
}
return out;
}
template<typename InputIterator, typename OutputIterator>
OutputIterator split
(InputIterator first,
InputIterator last,
OutputIterator out,
char delim,
bool doStrip = false,
bool allowEmpty = false)
{
for(InputIterator i = first; i != last;) {
InputIterator j = std::find(i, last, delim);
std::pair<InputIterator, InputIterator> p(i, j);
if(doStrip) {
p = stripIter(i, j);
}
if(allowEmpty || p.first != p.second) {
*out++ = std::string(p.first, p.second);
}
i = j;
if(j != last) {
++i;
}
}
if(allowEmpty &&
(first == last || *(last-1) == delim)) {
*out++ = std::string(last, last);
}
return out;
}
template<typename InputIterator, typename DelimiterType>
std::string strjoin(InputIterator first, InputIterator last,
const DelimiterType& delim)
{
std::string result;
if(first == last) {
return result;
}
InputIterator beforeLast = last-1;
for(; first != beforeLast; ++first) {
result += *first;
result += delim;
}
result += *beforeLast;
return result;
}
template<typename InputIterator>
std::string joinPath(InputIterator first, InputIterator last)
{
std::vector<std::string> elements;
for(;first != last; ++first) {
if(*first == "..") {
if(!elements.empty()) {
elements.pop_back();
}
} else if(*first == ".") {
// do nothing
} else {
elements.push_back(*first);
}
}
return strjoin(elements.begin(), elements.end(), "/");
}
bool isAlpha(const char c);
bool isDigit(const char c);
bool isHexDigit(const char c);
bool inRFC3986UnreservedChars(const char c);
std::string percentEncode(const unsigned char* target, size_t len);
std::string percentEncode(const std::string& target);
std::string percentDecode
(std::string::const_iterator first, std::string::const_iterator last);
} // namespace util
} // namespace spdylay
#endif // UTIL_H