url.c

/***************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution. The terms
 * are also available at https://curl.haxx.se/docs/copyright.html.
 *
 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
 * copies of the Software, and permit persons to whom the Software is
 * furnished to do so, under the terms of the COPYING file.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ***************************************************************************/

#include "curl_setup.h"

#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#ifdef HAVE_NET_IF_H
#include <net/if.h>
#endif
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif

#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif

#ifdef __VMS
#include <in.h>
#include <inet.h>
#endif

#ifdef HAVE_SYS_UN_H
#include <sys/un.h>
#endif

#ifndef HAVE_SOCKET
#error "We can't compile without socket() support!"
#endif

#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif

#ifdef USE_LIBIDN2
#include <idn2.h>

#elif defined(USE_WIN32_IDN)
/* prototype for curl_win32_idn_to_ascii() */
bool curl_win32_idn_to_ascii(const char *in, char **out);
#endif  /* USE_LIBIDN2 */

#include "urldata.h"
#include "netrc.h"

#include "formdata.h"
#include "vtls/vtls.h"
#include "hostip.h"
#include "transfer.h"
#include "sendf.h"
#include "progress.h"
#include "cookie.h"
#include "strcase.h"
#include "strerror.h"
#include "escape.h"
#include "strtok.h"
#include "share.h"
#include "content_encoding.h"
#include "http_digest.h"
#include "http_negotiate.h"
#include "select.h"
#include "multiif.h"
#include "easyif.h"
#include "speedcheck.h"
#include "warnless.h"
#include "non-ascii.h"
#include "inet_pton.h"

/* And now for the protocols */
#include "ftp.h"
#include "dict.h"
#include "telnet.h"
#include "tftp.h"
#include "http.h"
#include "http2.h"
#include "file.h"
#include "curl_ldap.h"
#include "ssh.h"
#include "imap.h"
#include "url.h"
#include "connect.h"
#include "inet_ntop.h"
#include "http_ntlm.h"
#include "curl_ntlm_wb.h"
#include "socks.h"
#include "curl_rtmp.h"
#include "gopher.h"
#include "http_proxy.h"
#include "conncache.h"
#include "multihandle.h"
#include "pipeline.h"
#include "dotdot.h"
#include "strdup.h"
/* The last 3 #include files should be in this order */
#include "curl_printf.h"
#include "curl_memory.h"
#include "memdebug.h"

/* Local static prototypes */
static struct connectdata *
find_oldest_idle_connection_in_bundle(struct Curl_easy *data,
                                      struct connectbundle *bundle);
static void conn_free(struct connectdata *conn);
static void free_fixed_hostname(struct hostname *host);
static void signalPipeClose(struct curl_llist *pipeline, bool pipe_broke);
static CURLcode parse_url_login(struct Curl_easy *data,
                                struct connectdata *conn,
                                char **userptr, char **passwdptr,
                                char **optionsptr);
static CURLcode parse_login_details(const char *login, const size_t len,
                                    char **userptr, char **passwdptr,
                                    char **optionsptr);
static unsigned int get_protocol_family(unsigned int protocol);

/*
 * Protocol table.
 */

static const struct Curl_handler * const protocols[] = {

#ifndef CURL_DISABLE_HTTP
  &Curl_handler_http,
#endif

#if defined(USE_SSL) && !defined(CURL_DISABLE_HTTP)
  &Curl_handler_https,
#endif

#ifndef CURL_DISABLE_FTP
  &Curl_handler_ftp,
#endif

#if defined(USE_SSL) && !defined(CURL_DISABLE_FTP)
  &Curl_handler_ftps,
#endif

#ifndef CURL_DISABLE_TELNET
  &Curl_handler_telnet,
#endif

#ifndef CURL_DISABLE_DICT
  &Curl_handler_dict,
#endif

#ifndef CURL_DISABLE_LDAP
  &Curl_handler_ldap,
#if !defined(CURL_DISABLE_LDAPS) && \
    ((defined(USE_OPENLDAP) && defined(USE_SSL)) || \
     (!defined(USE_OPENLDAP) && defined(HAVE_LDAP_SSL)))
  &Curl_handler_ldaps,
#endif
#endif

#ifndef CURL_DISABLE_FILE
  &Curl_handler_file,
#endif

#ifndef CURL_DISABLE_TFTP
  &Curl_handler_tftp,
#endif

#ifdef USE_LIBSSH2
  &Curl_handler_scp,
  &Curl_handler_sftp,
#endif

#ifndef CURL_DISABLE_IMAP
  &Curl_handler_imap,
#ifdef USE_SSL
  &Curl_handler_imaps,
#endif
#endif