/*
This file is part of GNUnet.
- Copyright (C) 2012-2014 GNUnet e.V.
+ Copyright (C) 2012-2018 GNUnet e.V.
- GNUnet is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 3, or (at your
- option) any later version.
+ GNUnet is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License,
+ or (at your option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
+ Affero General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA.
-*/
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+ SPDX-License-Identifier: AGPL3.0-or-later
+ */
/**
* @author Martin Schanzenbach
* @author Christian Grothoff
*/
#include "platform.h"
#include <microhttpd.h>
-#if HAVE_CURL_CURL_H
-#include <curl/curl.h>
-#elif HAVE_GNURL_CURL_H
-#include <gnurl/curl.h>
-#endif
+/* Just included for the right curl.h */
+#include "gnunet_curl_lib.h"
#include <gnutls/gnutls.h>
#include <gnutls/x509.h>
#include <gnutls/abstract.h>
#include "gns.h"
+
/**
* Default Socks5 listen port.
*/
*/
#define MAX_HTTP_URI_LENGTH 2048
+/**
+ * Maximum number of DANE records we support
+ * per domain name (and port and protocol).
+ */
+#define MAX_DANES 32
+
/**
* Size of the buffer for the data upload / download. Must be
* enough for curl, thus CURL_MAX_WRITE_SIZE is needed here (16k).
/**
* After how long do we clean up unused MHD TLS instances?
*/
-#define MHD_CACHE_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 5)
+#define MHD_CACHE_TIMEOUT GNUNET_TIME_relative_multiply ( \
+ GNUNET_TIME_UNIT_MINUTES, 5)
/**
* After how long do we clean up Socks5 handles that failed to show any activity
* with their respective MHD instance?
*/
-#define HTTP_HANDSHAKE_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 15)
+#define HTTP_HANDSHAKE_TIMEOUT GNUNET_TIME_relative_multiply ( \
+ GNUNET_TIME_UNIT_SECONDS, 15)
/**
* @param fun name of curl_easy-function that gave the error
* @param rc return code from curl
*/
-#define LOG_CURL_EASY(level,fun,rc) GNUNET_log(level, _("%s failed at %s:%d: `%s'\n"), fun, __FILE__, __LINE__, curl_easy_strerror (rc))
+#define LOG_CURL_EASY(level, fun, rc) \
+ GNUNET_log (level, \
+ _ ("%s failed at %s:%d: `%s'\n"), \
+ fun, \
+ __FILE__, \
+ __LINE__, \
+ curl_easy_strerror (rc))
/* *************** Socks protocol definitions (move to TUN?) ****************** */
* IPv6 address.
*/
SOCKS5_AT_IPV6 = 4
-
};
uint8_t num_auth_methods;
/* followed by supported authentication methods, 1 byte per method */
-
};
* length field (uint8_t) in front (depending on @e addr_type).
* followed by port number in network byte order (uint16_t).
*/
-
};
* is this an ssl daemon?
*/
int is_ssl;
-
};
*/
struct Socks5Request
{
-
/**
* DLL.
*/
char *leho;
/**
- * Payload of the (last) DANE record encountered.
+ * Payload of the DANE records encountered.
*/
- char *dane_data;
+ char *dane_data[MAX_DANES + 1];
/**
* The URL to fetch
/**
* Number of bytes in @e dane_data.
*/
- size_t dane_data_len;
+ int dane_data_len[MAX_DANES + 1];
+
+ /**
+ * Number of entries used in @e dane_data_len
+ * and @e dane_data.
+ */
+ unsigned int num_danes;
/**
* Number of bytes already in read buffer
*/
int is_gns;
+ /**
+ * This is (probably) a TLS connection
+ */
+ int is_tls;
+
/**
* Did we suspend MHD processing?
*/
/* *********************** Globals **************************** */
+/**
+ * The address to bind to
+ */
+static in_addr_t address;
+
+/**
+ * The IPv6 address to bind to
+ */
+static struct in6_addr address6;
/**
* The port the proxy is running on (default 7777)
/**
* The listen task ID for IPv4
*/
-static struct GNUNET_SCHEDULER_Task * ltask4;
+static struct GNUNET_SCHEDULER_Task *ltask4;
/**
* The listen task ID for IPv6
*/
-static struct GNUNET_SCHEDULER_Task * ltask6;
+static struct GNUNET_SCHEDULER_Task *ltask6;
/**
* The cURL download task (curl multi API).
*/
-static struct GNUNET_SCHEDULER_Task * curl_download_task;
+static struct GNUNET_SCHEDULER_Task *curl_download_task;
/**
* The cURL multi handle
*/
static struct GNUNET_GNS_Handle *gns_handle;
+/**
+ * Disable IPv6.
+ */
+static int disable_v6;
+
/**
* DLL for http/https daemons
*/
cleanup_s5r (struct Socks5Request *s5r)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Cleaning up socks request\n");
+ "Cleaning up socks request\n");
if (NULL != s5r->curl)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Cleaning up cURL handle\n");
+ "Cleaning up cURL handle\n");
curl_multi_remove_handle (curl_multi,
s5r->curl);
curl_easy_cleanup (s5r->curl);
{
curl_slist_free_all (s5r->hosts);
}
- if ( (NULL != s5r->response) &&
- (curl_failure_response != s5r->response) )
+ if ((NULL != s5r->response) &&
+ (curl_failure_response != s5r->response))
+ {
MHD_destroy_response (s5r->response);
+ s5r->response = NULL;
+ }
if (NULL != s5r->rtask)
+ {
GNUNET_SCHEDULER_cancel (s5r->rtask);
+ s5r->rtask = NULL;
+ }
if (NULL != s5r->timeout_task)
+ {
GNUNET_SCHEDULER_cancel (s5r->timeout_task);
+ s5r->timeout_task = NULL;
+ }
if (NULL != s5r->wtask)
+ {
GNUNET_SCHEDULER_cancel (s5r->wtask);
+ s5r->wtask = NULL;
+ }
if (NULL != s5r->gns_lookup)
+ {
GNUNET_GNS_lookup_with_tld_cancel (s5r->gns_lookup);
+ s5r->gns_lookup = NULL;
+ }
if (NULL != s5r->sock)
{
if (SOCKS5_SOCKET_WITH_MHD <= s5r->state)
GNUNET_NETWORK_socket_free_memory_only_ (s5r->sock);
else
GNUNET_NETWORK_socket_close (s5r->sock);
+ s5r->sock = NULL;
}
GNUNET_CONTAINER_DLL_remove (s5r_head,
- s5r_tail,
- s5r);
+ s5r_tail,
+ s5r);
GNUNET_free_non_null (s5r->domain);
GNUNET_free_non_null (s5r->leho);
GNUNET_free_non_null (s5r->url);
- GNUNET_free_non_null (s5r->dane_data);
+ for (unsigned int i = 0; i < s5r->num_danes; i++)
+ GNUNET_free (s5r->dane_data[i]);
GNUNET_free (s5r);
}
static ssize_t
mhd_content_cb (void *cls,
uint64_t pos,
- char* buf,
+ char*buf,
size_t max)
{
struct Socks5Request *s5r = cls;
size_t bytes_to_copy;
- if ( (SOCKS5_SOCKET_UPLOAD_STARTED == s5r->state) ||
- (SOCKS5_SOCKET_UPLOAD_DONE == s5r->state) )
+ if ((SOCKS5_SOCKET_UPLOAD_STARTED == s5r->state) ||
+ (SOCKS5_SOCKET_UPLOAD_DONE == s5r->state))
{
/* we're still not done with the upload, do not yet
start the download, the IO buffer is still full
with upload data. */
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Pausing MHD download %s%s, not yet ready for download\n",
- s5r->domain,
- s5r->url);
- return 0; /* not yet ready for data download */
+ "Pausing MHD download %s%s, not yet ready for download\n",
+ s5r->domain,
+ s5r->url);
+ return 0; /* not yet ready for data download */
}
bytes_to_copy = GNUNET_MIN (max,
- s5r->io_len);
- if ( (0 == bytes_to_copy) &&
- (SOCKS5_SOCKET_DOWNLOAD_DONE != s5r->state) )
+ s5r->io_len);
+ if ((0 == bytes_to_copy) &&
+ (SOCKS5_SOCKET_DOWNLOAD_DONE != s5r->state))
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Pausing MHD download %s%s, no data available\n",
- s5r->domain,
- s5r->url);
+ "Pausing MHD download %s%s, no data available\n",
+ s5r->domain,
+ s5r->url);
if (NULL != s5r->curl)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Continuing CURL interaction for %s%s\n",
- s5r->domain,
- s5r->url);
+ s5r->domain,
+ s5r->url);
if (GNUNET_YES == s5r->curl_paused)
{
- s5r->curl_paused = GNUNET_NO;
- curl_easy_pause (s5r->curl,
- CURLPAUSE_CONT);
+ s5r->curl_paused = GNUNET_NO;
+ curl_easy_pause (s5r->curl,
+ CURLPAUSE_CONT);
}
curl_download_prepare ();
}
MHD_suspend_connection (s5r->con);
s5r->suspended = GNUNET_YES;
}
- return 0; /* more data later */
+ return 0; /* more data later */
}
- if ( (0 == bytes_to_copy) &&
- (SOCKS5_SOCKET_DOWNLOAD_DONE == s5r->state) )
+ if ((0 == bytes_to_copy) &&
+ (SOCKS5_SOCKET_DOWNLOAD_DONE == s5r->state))
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Completed MHD download %s%s\n",
- s5r->domain,
- s5r->url);
+ "Completed MHD download %s%s\n",
+ s5r->domain,
+ s5r->url);
return MHD_CONTENT_READER_END_OF_STREAM;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Writing %llu/%llu bytes for %s%s\n",
+ "Writing %llu/%llu bytes to %s%s\n",
(unsigned long long) bytes_to_copy,
(unsigned long long) s5r->io_len,
- s5r->domain,
- s5r->url);
+ s5r->domain,
+ s5r->url);
GNUNET_memcpy (buf,
s5r->io_buf,
bytes_to_copy);
memmove (s5r->io_buf,
- &s5r->io_buf[bytes_to_copy],
- s5r->io_len - bytes_to_copy);
+ &s5r->io_buf[bytes_to_copy],
+ s5r->io_len - bytes_to_copy);
s5r->io_len -= bytes_to_copy;
- if ( (NULL != s5r->curl) &&
- (GNUNET_YES == s5r->curl_paused) )
+ if ((NULL != s5r->curl) &&
+ (GNUNET_YES == s5r->curl_paused))
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Continuing CURL interaction for %s%s\n",
- s5r->domain,
- s5r->url);
- s5r->curl_paused = GNUNET_NO;
+ s5r->domain,
+ s5r->url);
+ s5r->curl_paused = GNUNET_NO;
curl_easy_pause (s5r->curl,
CURLPAUSE_CONT);
}
"Checking X.509 certificate\n");
if (CURLE_OK !=
curl_easy_getinfo (s5r->curl,
- CURLINFO_TLS_SESSION,
- (struct curl_slist **) &tlsinfo))
+ CURLINFO_TLS_SESSION,
+ &tlsinfo))
return GNUNET_SYSERR;
if (CURLSSLBACKEND_GNUTLS != tlsinfo->backend)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Unsupported CURL TLS backend %d\n"),
+ _ ("Unsupported CURL TLS backend %d\n"),
tlsinfo->backend);
return GNUNET_SYSERR;
}
- chainp = gnutls_certificate_get_peers (tlsinfo->internals, &cert_list_size);
- if ( (! chainp) || (0 == cert_list_size) )
+ chainp = gnutls_certificate_get_peers (tlsinfo->internals,
+ &cert_list_size);
+ if ((! chainp) ||
+ (0 == cert_list_size))
return GNUNET_SYSERR;
- size = sizeof (certdn);
+ size = sizeof(certdn);
/* initialize an X.509 certificate structure. */
gnutls_x509_crt_init (&x509_cert);
gnutls_x509_crt_import (x509_cert,
&size)))
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Failed to fetch CN from cert: %s\n"),
- gnutls_strerror(rc));
+ _ ("Failed to fetch CN from cert: %s\n"),
+ gnutls_strerror (rc));
gnutls_x509_crt_deinit (x509_cert);
return GNUNET_SYSERR;
}
/* check for TLSA/DANE records */
#if HAVE_GNUTLS_DANE
- if (NULL != s5r->dane_data)
+ if (0 != s5r->num_danes)
{
- char *dd[] = { s5r->dane_data, NULL };
- int dlen[] = { s5r->dane_data_len, 0};
dane_state_t dane_state;
dane_query_t dane_query;
unsigned int verify;
DANE_F_IGNORE_LOCAL_RESOLVER)))
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Failed to initialize DANE: %s\n"),
- dane_strerror(rc));
+ _ ("Failed to initialize DANE: %s\n"),
+ dane_strerror (rc));
gnutls_x509_crt_deinit (x509_cert);
return GNUNET_SYSERR;
}
+ s5r->dane_data[s5r->num_danes] = NULL;
+ s5r->dane_data_len[s5r->num_danes] = 0;
if (0 != (rc = dane_raw_tlsa (dane_state,
&dane_query,
- dd,
- dlen,
+ s5r->dane_data,
+ s5r->dane_data_len,
GNUNET_YES,
GNUNET_NO)))
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Failed to parse DANE record: %s\n"),
- dane_strerror(rc));
+ _ ("Failed to parse DANE record: %s\n"),
+ dane_strerror (rc));
dane_state_deinit (dane_state);
gnutls_x509_crt_deinit (x509_cert);
return GNUNET_SYSERR;
if (0 != (rc = dane_verify_crt_raw (dane_state,
chainp,
cert_list_size,
- gnutls_certificate_type_get (tlsinfo->internals),
+ gnutls_certificate_type_get (
+ tlsinfo->internals),
dane_query,
0, 0,
&verify)))
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Failed to verify TLS connection using DANE: %s\n"),
- dane_strerror(rc));
+ _ ("Failed to verify TLS connection using DANE: %s\n"),
+ dane_strerror (rc));
dane_query_deinit (dane_query);
dane_state_deinit (dane_state);
gnutls_x509_crt_deinit (x509_cert);
if (0 != verify)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Failed DANE verification failed with GnuTLS verify status code: %u\n"),
+ _ (
+ "Failed DANE verification failed with GnuTLS verify status code: %u\n"),
verify);
dane_query_deinit (dane_query);
dane_state_deinit (dane_state);
name)))
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("TLS certificate subject name (%s) does not match `%s'\n"),
+ _ (
+ "TLS certificate subject name (%s) does not match `%s': %d\n"),
certdn,
- name);
+ name,
+ rc);
gnutls_x509_crt_deinit (x509_cert);
return GNUNET_SYSERR;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Receiving HTTP response header from CURL\n");
/* first, check TLS certificate */
- if ( (GNUNET_YES != s5r->ssl_checked) &&
- (HTTPS_PORT == s5r->port))
+ if ((GNUNET_YES != s5r->ssl_checked) &&
+ (GNUNET_YES == s5r->is_tls))
+ // (HTTPS_PORT == s5r->port))
{
if (GNUNET_OK != check_ssl_certificate (s5r))
return 0;
}
-
- ndup = GNUNET_strndup (buffer, bytes);
- hdr_type = strtok (ndup, ":");
+ ndup = GNUNET_strndup (buffer,
+ bytes);
+ hdr_type = strtok (ndup,
+ ":");
if (NULL == hdr_type)
{
GNUNET_free (ndup);
return bytes;
}
- hdr_val = strtok (NULL, "");
+ hdr_val = strtok (NULL,
+ "");
if (NULL == hdr_val)
{
GNUNET_free (ndup);
/* custom logic for certain header types */
new_cookie_hdr = NULL;
- if ( (NULL != s5r->leho) &&
- (0 == strcasecmp (hdr_type,
- MHD_HTTP_HEADER_SET_COOKIE)) )
+ if ((NULL != s5r->leho) &&
+ (0 == strcasecmp (hdr_type,
+ MHD_HTTP_HEADER_SET_COOKIE)))
{
- new_cookie_hdr = GNUNET_malloc (strlen (hdr_val) +
- strlen (s5r->domain) + 1);
+ new_cookie_hdr = GNUNET_malloc (strlen (hdr_val)
+ + strlen (s5r->domain) + 1);
offset = 0;
- domain_matched = GNUNET_NO; /* make sure we match domain at most once */
+ domain_matched = GNUNET_NO; /* make sure we match domain at most once */
for (tok = strtok (hdr_val, ";"); NULL != tok; tok = strtok (NULL, ";"))
{
- if ( (0 == strncasecmp (tok, " domain", strlen (" domain"))) &&
- (GNUNET_NO == domain_matched) )
+ if ((0 == strncasecmp (tok,
+ " domain",
+ strlen (" domain"))) &&
+ (GNUNET_NO == domain_matched))
{
domain_matched = GNUNET_YES;
cookie_domain = tok + strlen (" domain") + 1;
if (strlen (cookie_domain) < strlen (s5r->leho))
{
delta_cdomain = strlen (s5r->leho) - strlen (cookie_domain);
- if (0 == strcasecmp (cookie_domain, s5r->leho + delta_cdomain))
+ if (0 == strcasecmp (cookie_domain,
+ s5r->leho + delta_cdomain))
{
offset += sprintf (new_cookie_hdr + offset,
" domain=%s;",
continue;
}
}
- else if (0 == strcmp (cookie_domain, s5r->leho))
+ else if (0 == strcmp (cookie_domain,
+ s5r->leho))
{
offset += sprintf (new_cookie_hdr + offset,
" domain=%s;",
s5r->domain);
continue;
}
+ else if (('.' == cookie_domain[0]) &&
+ (0 == strcmp (&cookie_domain[1],
+ s5r->leho)))
+ {
+ offset += sprintf (new_cookie_hdr + offset,
+ " domain=.%s;",
+ s5r->domain);
+ continue;
+ }
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Cookie domain `%s' supplied by server is invalid\n"),
+ _ ("Cookie domain `%s' supplied by server is invalid\n"),
tok);
}
- GNUNET_memcpy (new_cookie_hdr + offset, tok, strlen (tok));
+ GNUNET_memcpy (new_cookie_hdr + offset,
+ tok,
+ strlen (tok));
offset += strlen (tok);
new_cookie_hdr[offset++] = ';';
}
}
new_location = NULL;
- if (0 == strcasecmp (MHD_HTTP_HEADER_LOCATION, hdr_type))
+ if (0 == strcasecmp (MHD_HTTP_HEADER_TRANSFER_ENCODING,
+ hdr_type))
+ {
+ /* Ignore transfer encoding, set automatically by MHD if required */
+ goto cleanup;
+ }
+ if ((0 == strcasecmp (MHD_HTTP_HEADER_LOCATION,
+ hdr_type)))
{
char *leho_host;
GNUNET_asprintf (&leho_host,
- (HTTPS_PORT != s5r->port)
+ (GNUNET_YES != s5r->is_tls) // (HTTPS_PORT != s5r->port)
? "http://%s"
: "https://%s",
s5r->leho);
{
GNUNET_asprintf (&new_location,
"%s%s%s",
- (HTTPS_PORT != s5r->port)
+ (GNUNET_YES != s5r->is_tls) // (HTTPS_PORT != s5r->port)
? "http://"
: "https://",
s5r->domain,
}
GNUNET_free (leho_host);
}
+ if (0 == strcasecmp (MHD_HTTP_HEADER_ACCESS_CONTROL_ALLOW_ORIGIN,
+ hdr_type))
+ {
+ char *leho_host;
+
+ GNUNET_asprintf (&leho_host,
+ (GNUNET_YES != s5r->is_tls) // (HTTPS_PORT != s5r->port)
+ ? "http://%s"
+ : "https://%s",
+ s5r->leho);
+ if (0 == strncmp (leho_host,
+ hdr_val,
+ strlen (leho_host)))
+ {
+ GNUNET_asprintf (&new_location,
+ "%s%s",
+ (GNUNET_YES != s5r->is_tls) // (HTTPS_PORT != s5r->port)
+ ? "http://"
+ : "https://",
+ s5r->domain);
+ hdr_val = new_location;
+ }
+ GNUNET_free (leho_host);
+ }
+
/* MHD does not allow certain characters in values, remove those */
if (NULL != (tok = strchr (hdr_val, '\n')))
*tok = '\0';
*tok = '\0';
if (NULL != (tok = strchr (hdr_val, '\t')))
*tok = '\0';
- if (0 != strlen (hdr_val)) /* Rely in MHD to set those */
+ if (0 != strlen (hdr_val)) /* Rely in MHD to set those */
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Adding header %s: %s to MHD response\n",
s5r->header_tail,
header);
}
+cleanup:
GNUNET_free (ndup);
GNUNET_free_non_null (new_cookie_hdr);
GNUNET_free_non_null (new_location);
s5r->domain,
s5r->url);
s5r->response_code = resp_code;
- s5r->response = MHD_create_response_from_callback ((-1 == content_length) ? MHD_SIZE_UNKNOWN : content_length,
+ s5r->response = MHD_create_response_from_callback ((-1 == content_length)
+ ? MHD_SIZE_UNKNOWN
+ : content_length,
IO_BUFFERSIZE,
&mhd_content_cb,
s5r,
NULL != header;
header = header->next)
{
- GNUNET_break (MHD_YES ==
- MHD_add_response_header (s5r->response,
- header->type,
- header->value));
-
- }
- if (NULL != s5r->leho)
- {
- char *cors_hdr;
-
- GNUNET_asprintf (&cors_hdr,
- (HTTPS_PORT == s5r->port)
- ? "https://%s"
- : "http://%s",
- s5r->leho);
-
- GNUNET_break (MHD_YES ==
- MHD_add_response_header (s5r->response,
- MHD_HTTP_HEADER_ACCESS_CONTROL_ALLOW_ORIGIN,
- cors_hdr));
- GNUNET_free (cors_hdr);
+ if (0 == strcasecmp (header->type,
+ MHD_HTTP_HEADER_CONTENT_LENGTH))
+ continue; /* MHD won't let us mess with those, for good reason */
+ if ((0 == strcasecmp (header->type,
+ MHD_HTTP_HEADER_TRANSFER_ENCODING)) &&
+ ((0 == strcasecmp (header->value,
+ "identity")) ||
+ (0 == strcasecmp (header->value,
+ "chunked"))))
+ continue; /* MHD won't let us mess with those, for good reason */
+ if (MHD_YES !=
+ MHD_add_response_header (s5r->response,
+ header->type,
+ header->value))
+ {
+ GNUNET_break (0);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Failed to add header `%s:%s'\n",
+ header->type,
+ header->value);
+ }
}
/* force connection to be closed after each request, as we
do not support HTTP pipelining (yet, FIXME!) */
/*GNUNET_break (MHD_YES ==
- MHD_add_response_header (s5r->response,
- MHD_HTTP_HEADER_CONNECTION,
- "close"));*/
+ MHD_add_response_header (s5r->response,
+ MHD_HTTP_HEADER_CONNECTION,
+ "close"));*/
MHD_resume_connection (s5r->con);
s5r->suspended = GNUNET_NO;
return GNUNET_OK;
curl_download_cb (void *ptr,
size_t size,
size_t nmemb,
- void* ctx)
+ void*ctx)
{
struct Socks5Request *s5r = ctx;
size_t total = size * nmemb;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Receiving %ux%u bytes for `%s%s' from cURL\n",
- (unsigned int) size,
- (unsigned int) nmemb,
- s5r->domain,
- s5r->url);
+ "Receiving %ux%u bytes for `%s%s' from cURL to download\n",
+ (unsigned int) size,
+ (unsigned int) nmemb,
+ s5r->domain,
+ s5r->url);
if (NULL == s5r->response)
GNUNET_assert (GNUNET_OK ==
create_mhd_response_from_s5r (s5r));
-
- if ( (SOCKS5_SOCKET_UPLOAD_STARTED == s5r->state) ||
- (SOCKS5_SOCKET_UPLOAD_DONE == s5r->state) )
+ if ((SOCKS5_SOCKET_UPLOAD_DONE == s5r->state) &&
+ (0 == s5r->io_len))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Previous upload finished... starting DOWNLOAD.\n");
+ s5r->state = SOCKS5_SOCKET_DOWNLOAD_STARTED;
+ }
+ if ((SOCKS5_SOCKET_UPLOAD_STARTED == s5r->state) ||
+ (SOCKS5_SOCKET_UPLOAD_DONE == s5r->state))
{
/* we're still not done with the upload, do not yet
start the download, the IO buffer is still full
s5r->domain,
s5r->url);
s5r->curl_paused = GNUNET_YES;
- return CURL_WRITEFUNC_PAUSE; /* not yet ready for data download */
+ return CURL_WRITEFUNC_PAUSE; /* not yet ready for data download */
}
- if (sizeof (s5r->io_buf) - s5r->io_len < total)
+ if (sizeof(s5r->io_buf) - s5r->io_len < total)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Pausing CURL `%s%s' download, not enough space %llu %llu %llu\n",
s5r->domain,
s5r->url,
- (unsigned long long) sizeof (s5r->io_buf),
+ (unsigned long long) sizeof(s5r->io_buf),
(unsigned long long) s5r->io_len,
(unsigned long long) total);
s5r->curl_paused = GNUNET_YES;
- return CURL_WRITEFUNC_PAUSE; /* not enough space */
+ return CURL_WRITEFUNC_PAUSE; /* not enough space */
}
GNUNET_memcpy (&s5r->io_buf[s5r->io_len],
ptr,
size_t len = size * nmemb;
size_t to_copy;
- if ( (0 == s5r->io_len) &&
- (SOCKS5_SOCKET_UPLOAD_DONE != s5r->state) )
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Receiving %ux%u bytes for `%s%s' from cURL to upload\n",
+ (unsigned int) size,
+ (unsigned int) nmemb,
+ s5r->domain,
+ s5r->url);
+
+ if ((0 == s5r->io_len) &&
+ (SOCKS5_SOCKET_UPLOAD_DONE != s5r->state))
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Pausing CURL UPLOAD %s%s, need more data\n",
s5r->url);
return CURL_READFUNC_PAUSE;
}
- if ( (0 == s5r->io_len) &&
- (SOCKS5_SOCKET_UPLOAD_DONE == s5r->state) )
+ if ((0 == s5r->io_len) &&
+ (SOCKS5_SOCKET_UPLOAD_DONE == s5r->state))
{
s5r->state = SOCKS5_SOCKET_DOWNLOAD_STARTED;
+ if (GNUNET_YES == s5r->curl_paused)
+ {
+ s5r->curl_paused = GNUNET_NO;
+ curl_easy_pause (s5r->curl,
+ CURLPAUSE_CONT);
+ }
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Completed CURL UPLOAD %s%s\n",
s5r->domain,
s5r->url);
- return 0; /* upload finished, can now download */
+ return 0; /* upload finished, can now download */
}
- if ( (SOCKS5_SOCKET_UPLOAD_STARTED != s5r->state) &&
- (SOCKS5_SOCKET_UPLOAD_DONE != s5r->state) )
+ if ((SOCKS5_SOCKET_UPLOAD_STARTED != s5r->state) &&
+ (SOCKS5_SOCKET_UPLOAD_DONE != s5r->state))
{
GNUNET_break (0);
return CURL_READFUNC_ABORT;
to_copy = GNUNET_MIN (s5r->io_len,
len);
GNUNET_memcpy (buf,
- s5r->io_buf,
- to_copy);
+ s5r->io_buf,
+ to_copy);
memmove (s5r->io_buf,
&s5r->io_buf[to_copy],
s5r->io_len - to_copy);
s5r->io_len -= to_copy;
- if (s5r->io_len + to_copy == sizeof (s5r->io_buf))
+ if (s5r->io_len + to_copy == sizeof(s5r->io_buf))
run_mhd_now (s5r->hd); /* got more space for upload now */
return to_copy;
}
return;
}
to = -1;
- GNUNET_break (CURLM_OK == curl_multi_timeout (curl_multi, &to));
+ GNUNET_break (CURLM_OK ==
+ curl_multi_timeout (curl_multi,
+ &to));
if (-1 == to)
rtime = GNUNET_TIME_UNIT_FOREVER_REL;
else
- rtime = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, to);
+ rtime = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
+ to);
if (-1 != max)
{
grs = GNUNET_NETWORK_fdset_create ();
gws = GNUNET_NETWORK_fdset_create ();
- GNUNET_NETWORK_fdset_copy_native (grs, &rs, max + 1);
- GNUNET_NETWORK_fdset_copy_native (gws, &ws, max + 1);
- curl_download_task = GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
- rtime,
- grs, gws,
- &curl_task_download,
- curl_multi);
+ GNUNET_NETWORK_fdset_copy_native (grs,
+ &rs,
+ max + 1);
+ GNUNET_NETWORK_fdset_copy_native (gws,
+ &ws,
+ max + 1);
+ curl_download_task = GNUNET_SCHEDULER_add_select (
+ GNUNET_SCHEDULER_PRIORITY_DEFAULT,
+ rtime,
+ grs,
+ gws,
+ &curl_task_download,
+ curl_multi);
GNUNET_NETWORK_fdset_destroy (gws);
GNUNET_NETWORK_fdset_destroy (grs);
}
mret = curl_multi_perform (curl_multi,
&running);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Checking CURL multi status: %d\n",
- mret);
+ "Checking CURL multi status: %d\n",
+ mret);
while (NULL != (msg = curl_multi_info_read (curl_multi,
&msgnum)))
{
GNUNET_break (CURLE_OK ==
curl_easy_getinfo (msg->easy_handle,
CURLINFO_PRIVATE,
- (char **) &s5r ));
+ (char **) &s5r));
if (NULL == s5r)
{
GNUNET_break (0);
}
switch (msg->msg)
{
- case CURLMSG_NONE:
- /* documentation says this is not used */
- GNUNET_break (0);
- break;
- case CURLMSG_DONE:
- switch (msg->data.result)
+ case CURLMSG_NONE:
+ /* documentation says this is not used */
+ GNUNET_break (0);
+ break;
+
+ case CURLMSG_DONE:
+ switch (msg->data.result)
+ {
+ case CURLE_OK:
+ case CURLE_GOT_NOTHING:
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "CURL download %s%s completed.\n",
+ s5r->domain,
+ s5r->url);
+ if (NULL == s5r->response)
{
- case CURLE_OK:
- case CURLE_GOT_NOTHING:
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "CURL download %s%s completed.\n",
- s5r->domain,
- s5r->url);
- if (NULL == s5r->response)
- {
- GNUNET_assert (GNUNET_OK ==
- create_mhd_response_from_s5r (s5r));
- }
- s5r->state = SOCKS5_SOCKET_DOWNLOAD_DONE;
- if (GNUNET_YES == s5r->suspended)
- {
- MHD_resume_connection (s5r->con);
- s5r->suspended = GNUNET_NO;
- }
- run_mhd_now (s5r->hd);
- break;
- default:
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Download curl %s%s failed: %s\n",
- s5r->domain,
- s5r->url,
- curl_easy_strerror (msg->data.result));
- /* FIXME: indicate error somehow? close MHD connection badly as well? */
- s5r->state = SOCKS5_SOCKET_DOWNLOAD_DONE;
- if (GNUNET_YES == s5r->suspended)
- {
- MHD_resume_connection (s5r->con);
- s5r->suspended = GNUNET_NO;
- }
- run_mhd_now (s5r->hd);
- break;
+ GNUNET_assert (GNUNET_OK ==
+ create_mhd_response_from_s5r (s5r));
}
- if (NULL == s5r->response)
- s5r->response = curl_failure_response;
- break;
- case CURLMSG_LAST:
- /* documentation says this is not used */
- GNUNET_break (0);
+ s5r->state = SOCKS5_SOCKET_DOWNLOAD_DONE;
+ if (GNUNET_YES == s5r->suspended)
+ {
+ MHD_resume_connection (s5r->con);
+ s5r->suspended = GNUNET_NO;
+ }
+ run_mhd_now (s5r->hd);
break;
+
default:
- /* unexpected status code */
- GNUNET_break (0);
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Download curl %s%s failed: %s\n",
+ s5r->domain,
+ s5r->url,
+ curl_easy_strerror (msg->data.result));
+ /* FIXME: indicate error somehow? close MHD connection badly as well? */
+ s5r->state = SOCKS5_SOCKET_DOWNLOAD_DONE;
+ if (GNUNET_YES == s5r->suspended)
+ {
+ MHD_resume_connection (s5r->con);
+ s5r->suspended = GNUNET_NO;
+ }
+ run_mhd_now (s5r->hd);
break;
+ }
+ if (NULL == s5r->response)
+ s5r->response = curl_failure_response;
+ break;
+
+ case CURLMSG_LAST:
+ /* documentation says this is not used */
+ GNUNET_break (0);
+ break;
+
+ default:
+ /* unexpected status code */
+ GNUNET_break (0);
+ break;
}
- };
- } while (mret == CURLM_CALL_MULTI_PERFORM);
+ }
+ ;
+ }
+ while (mret == CURLM_CALL_MULTI_PERFORM);
if (CURLM_OK != mret)
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"%s failed at %s:%d: `%s'\n",
GNUNET_SCHEDULER_cancel (curl_download_task);
curl_download_task = NULL;
}
- return; /* nothing more in progress */
+ return; /* nothing more in progress */
}
curl_download_prepare ();
}
struct Socks5Request *s5r = cls;
char *hdr;
- if ( (0 == strcasecmp (MHD_HTTP_HEADER_HOST, key)) &&
- (NULL != s5r->leho) )
+ if ((0 == strcasecmp (MHD_HTTP_HEADER_HOST,
+ key)) &&
+ (NULL != s5r->leho))
value = s5r->leho;
- if (0 == strcasecmp (MHD_HTTP_HEADER_CONTENT_LENGTH, key))
- return MHD_YES;
- if (0 == strcasecmp (MHD_HTTP_HEADER_ACCEPT_ENCODING, key))
- return MHD_YES;
GNUNET_asprintf (&hdr,
"%s: %s",
key,
return MHD_NO;
}
s5r->con = con;
- //Fresh connection.
+ /* Fresh connection. */
if (SOCKS5_SOCKET_WITH_MHD == s5r->state)
{
/* first time here, initialize curl handle */
if (NULL == inet_ntop (AF_INET,
&s4->sin_addr,
ipstring,
- sizeof (ipstring)))
+ sizeof(ipstring)))
{
GNUNET_break (0);
return MHD_NO;
}
GNUNET_snprintf (ipaddr,
- sizeof (ipaddr),
+ sizeof(ipaddr),
"%s",
ipstring);
port = ntohs (s4->sin_port);
break;
+
case AF_INET6:
s6 = (const struct sockaddr_in6 *) &s5r->destination_address;
if (NULL == inet_ntop (AF_INET6,
&s6->sin6_addr,
ipstring,
- sizeof (ipstring)))
+ sizeof(ipstring)))
{
GNUNET_break (0);
return MHD_NO;
}
GNUNET_snprintf (ipaddr,
- sizeof (ipaddr),
+ sizeof(ipaddr),
"%s",
ipstring);
port = ntohs (s6->sin6_port);
break;
+
default:
GNUNET_break (0);
return MHD_NO;
return MHD_queue_response (con,
MHD_HTTP_INTERNAL_SERVER_ERROR,
curl_failure_response);
- curl_easy_setopt (s5r->curl, CURLOPT_HEADERFUNCTION, &curl_check_hdr);
- curl_easy_setopt (s5r->curl, CURLOPT_HEADERDATA, s5r);
- curl_easy_setopt (s5r->curl, CURLOPT_FOLLOWLOCATION, 0);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_HEADERFUNCTION,
+ &curl_check_hdr);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_HEADERDATA,
+ s5r);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_FOLLOWLOCATION,
+ 0);
if (s5r->is_gns)
curl_easy_setopt (s5r->curl,
CURLOPT_IPRESOLVE,
CURL_IPRESOLVE_V4);
- curl_easy_setopt (s5r->curl, CURLOPT_CONNECTTIMEOUT, 600L);
- curl_easy_setopt (s5r->curl, CURLOPT_TIMEOUT, 600L);
- curl_easy_setopt (s5r->curl, CURLOPT_NOSIGNAL, 1L);
- curl_easy_setopt (s5r->curl, CURLOPT_HTTP_CONTENT_DECODING, 0);
- // curl_easy_setopt (s5r->curl, CURLOPT_HTTP_TRANSFER_DECODING, 0);
- curl_easy_setopt (s5r->curl, CURLOPT_NOSIGNAL, 1L);
- curl_easy_setopt (s5r->curl, CURLOPT_PRIVATE, s5r);
- curl_easy_setopt (s5r->curl, CURLOPT_VERBOSE, 0L);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_CONNECTTIMEOUT,
+ 600L);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_TIMEOUT,
+ 600L);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_NOSIGNAL,
+ 1L);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_HTTP_CONTENT_DECODING,
+ 0);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_NOSIGNAL,
+ 1L);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_PRIVATE,
+ s5r);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_VERBOSE,
+ 0L);
/**
* Pre-populate cache to resolve Hostname.
* This is necessary as the DNS name in the CURLOPT_URL is used
if (s5r->is_gns)
{
GNUNET_asprintf (&curlurl,
- (HTTPS_PORT != s5r->port)
+ (GNUNET_YES != s5r->is_tls) // (HTTPS_PORT != s5r->port)
? "http://%s:%d%s"
: "https://%s:%d%s",
(NULL != s5r->leho)
else
{
GNUNET_asprintf (&curlurl,
- (HTTPS_PORT != s5r->port)
+ (GNUNET_YES != s5r->is_tls) // (HTTPS_PORT != s5r->port)
? "http://%s:%d%s"
: "https://%s:%d%s",
s5r->domain,
MHD_HTTP_METHOD_PUT))
{
s5r->state = SOCKS5_SOCKET_UPLOAD_STARTED;
- curl_easy_setopt (s5r->curl, CURLOPT_UPLOAD, 1L);
- curl_easy_setopt (s5r->curl, CURLOPT_WRITEFUNCTION, &curl_download_cb);
- curl_easy_setopt (s5r->curl, CURLOPT_WRITEDATA, s5r);
- curl_easy_setopt (s5r->curl, CURLOPT_READFUNCTION, &curl_upload_cb);
- curl_easy_setopt (s5r->curl, CURLOPT_READDATA, s5r);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_UPLOAD,
+ 1L);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_WRITEFUNCTION,
+ &curl_download_cb);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_WRITEDATA,
+ s5r);
+ GNUNET_assert (CURLE_OK ==
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_READFUNCTION,
+ &curl_upload_cb));
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_READDATA,
+ s5r);
{
const char *us;
- long upload_size;
+ long upload_size = 0;
us = MHD_lookup_connection_value (con,
MHD_HEADER_KIND,
MHD_HTTP_HEADER_CONTENT_LENGTH);
- if ( (1 == sscanf (us,
- "%ld",
- &upload_size)) &&
- (upload_size >= 0) )
+ if ((1 == sscanf (us,
+ "%ld",
+ &upload_size)) &&
+ (upload_size >= 0))
{
curl_easy_setopt (s5r->curl,
CURLOPT_INFILESIZE,
else if (0 == strcasecmp (meth, MHD_HTTP_METHOD_POST))
{
s5r->state = SOCKS5_SOCKET_UPLOAD_STARTED;
- curl_easy_setopt (s5r->curl, CURLOPT_POST, 1L);
- curl_easy_setopt (s5r->curl, CURLOPT_WRITEFUNCTION, &curl_download_cb);
- curl_easy_setopt (s5r->curl, CURLOPT_WRITEDATA, s5r);
- curl_easy_setopt (s5r->curl, CURLOPT_READFUNCTION, &curl_upload_cb);
- curl_easy_setopt (s5r->curl, CURLOPT_READDATA, s5r);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_POST,
+ 1L);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_WRITEFUNCTION,
+ &curl_download_cb);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_WRITEDATA,
+ s5r);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_READFUNCTION,
+ &curl_upload_cb);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_READDATA,
+ s5r);
{
const char *us;
long upload_size;
+ upload_size = 0;
us = MHD_lookup_connection_value (con,
MHD_HEADER_KIND,
MHD_HTTP_HEADER_CONTENT_LENGTH);
- if ( (1 == sscanf (us,
- "%ld",
- &upload_size)) &&
- (upload_size >= 0) )
+ if ((NULL != us) &&
+ (1 == sscanf (us,
+ "%ld",
+ &upload_size)) &&
+ (upload_size >= 0))
+ {
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_INFILESIZE,
+ upload_size);
+ }
+ else
{
curl_easy_setopt (s5r->curl,
CURLOPT_INFILESIZE,
}
}
}
- else if (0 == strcasecmp (meth, MHD_HTTP_METHOD_HEAD))
+ else if (0 == strcasecmp (meth,
+ MHD_HTTP_METHOD_HEAD))
+ {
+ s5r->state = SOCKS5_SOCKET_DOWNLOAD_STARTED;
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_NOBODY,
+ 1L);
+ }
+ else if (0 == strcasecmp (meth,
+ MHD_HTTP_METHOD_OPTIONS))
{
s5r->state = SOCKS5_SOCKET_DOWNLOAD_STARTED;
- curl_easy_setopt (s5r->curl, CURLOPT_NOBODY, 1L);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_CUSTOMREQUEST,
+ "OPTIONS");
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_WRITEFUNCTION,
+ &curl_download_cb);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_WRITEDATA,
+ s5r);
}
- else if (0 == strcasecmp (meth, MHD_HTTP_METHOD_OPTIONS))
+ else if (0 == strcasecmp (meth,
+ MHD_HTTP_METHOD_GET))
{
s5r->state = SOCKS5_SOCKET_DOWNLOAD_STARTED;
- curl_easy_setopt (s5r->curl, CURLOPT_CUSTOMREQUEST, "OPTIONS");
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_HTTPGET,
+ 1L);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_WRITEFUNCTION,
+ &curl_download_cb);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_WRITEDATA,
+ s5r);
}
- else if (0 == strcasecmp (meth, MHD_HTTP_METHOD_GET))
+ else if (0 == strcasecmp (meth,
+ MHD_HTTP_METHOD_DELETE))
{
s5r->state = SOCKS5_SOCKET_DOWNLOAD_STARTED;
- curl_easy_setopt (s5r->curl, CURLOPT_HTTPGET, 1L);
- curl_easy_setopt (s5r->curl, CURLOPT_WRITEFUNCTION, &curl_download_cb);
- curl_easy_setopt (s5r->curl, CURLOPT_WRITEDATA, s5r);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_CUSTOMREQUEST,
+ "DELETE");
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_WRITEFUNCTION,
+ &curl_download_cb);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_WRITEDATA,
+ s5r);
}
else
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Unsupported HTTP method `%s'\n"),
+ _ ("Unsupported HTTP method `%s'\n"),
meth);
curl_easy_cleanup (s5r->curl);
s5r->curl = NULL;
if (0 == strcasecmp (ver, MHD_HTTP_VERSION_1_0))
{
- curl_easy_setopt (s5r->curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_HTTP_VERSION,
+ CURL_HTTP_VERSION_1_0);
}
else if (0 == strcasecmp (ver, MHD_HTTP_VERSION_1_1))
{
- curl_easy_setopt (s5r->curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_HTTP_VERSION,
+ CURL_HTTP_VERSION_1_1);
}
else
{
- curl_easy_setopt (s5r->curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_NONE);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_HTTP_VERSION,
+ CURL_HTTP_VERSION_NONE);
}
- if (HTTPS_PORT == s5r->port)
+ if (GNUNET_YES == s5r->is_tls) // (HTTPS_PORT == s5r->port)
{
- curl_easy_setopt (s5r->curl, CURLOPT_USE_SSL, CURLUSESSL_ALL);
- if (NULL != s5r->dane_data)
- curl_easy_setopt (s5r->curl, CURLOPT_SSL_VERIFYPEER, 0L);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_USE_SSL,
+ CURLUSESSL_ALL);
+ if (0 < s5r->num_danes)
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_SSL_VERIFYPEER,
+ 0L);
else
- curl_easy_setopt (s5r->curl, CURLOPT_SSL_VERIFYPEER, 1L);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_SSL_VERIFYPEER,
+ 1L);
/* Disable cURL checking the hostname, as we will check ourselves
as only we have the domain name or the LEHO or the DANE record */
- curl_easy_setopt (s5r->curl, CURLOPT_SSL_VERIFYHOST, 0L);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_SSL_VERIFYHOST,
+ 0L);
}
else
{
- curl_easy_setopt (s5r->curl, CURLOPT_USE_SSL, CURLUSESSL_NONE);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_USE_SSL,
+ CURLUSESSL_NONE);
}
if (CURLM_OK !=
}
MHD_get_connection_values (con,
MHD_HEADER_KIND,
- &con_val_iter,
+ (MHD_KeyValueIterator) & con_val_iter,
s5r);
curl_easy_setopt (s5r->curl,
CURLOPT_HTTPHEADER,
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Processing %u bytes UPLOAD\n",
- (unsigned int) *upload_data_size);
+ (unsigned int) *upload_data_size);
/* FIXME: This must be set or a header with Transfer-Encoding: chunked. Else
* upload callback is not called!
*/
- curl_easy_setopt (s5r->curl, CURLOPT_POSTFIELDSIZE, *upload_data_size);
+ curl_easy_setopt (s5r->curl,
+ CURLOPT_POSTFIELDSIZE,
+ *upload_data_size);
left = GNUNET_MIN (*upload_data_size,
- sizeof (s5r->io_buf) - s5r->io_len);
+ sizeof(s5r->io_buf) - s5r->io_len);
GNUNET_memcpy (&s5r->io_buf[s5r->io_len],
upload_data,
left);
{
s5r->curl_paused = GNUNET_NO;
curl_easy_pause (s5r->curl,
- CURLPAUSE_CONT);
+ CURLPAUSE_CONT);
}
return MHD_YES;
}
s5r->io_len = 0;
curl_download_prepare ();
}
- if ( (NULL != s5r->response) &&
- (curl_failure_response != s5r->response) )
+ if ((NULL != s5r->response) &&
+ (curl_failure_response != s5r->response))
MHD_destroy_response (s5r->response);
for (struct HttpResponseHeader *header = s5r->header_head;
NULL != header;
switch (cnc)
{
- case MHD_CONNECTION_NOTIFY_STARTED:
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connection started...\n");
- ci = MHD_get_connection_info (connection,
- MHD_CONNECTION_INFO_CONNECTION_FD);
- if (NULL == ci)
- {
- GNUNET_break (0);
- return;
- }
- sock = ci->connect_fd;
- for (s5r = s5r_head; NULL != s5r; s5r = s5r->next)
- {
- if (GNUNET_NETWORK_get_fd (s5r->sock) == sock)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Context set...\n");
- s5r->ssl_checked = GNUNET_NO;
- *con_cls = s5r;
- break;
- }
- }
- break;
- case MHD_CONNECTION_NOTIFY_CLOSED:
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Connection closed... cleaning up\n");
- s5r = *con_cls;
- if (NULL == s5r)
+ case MHD_CONNECTION_NOTIFY_STARTED:
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connection started...\n");
+ ci = MHD_get_connection_info (connection,
+ MHD_CONNECTION_INFO_CONNECTION_FD);
+ if (NULL == ci)
+ {
+ GNUNET_break (0);
+ return;
+ }
+ sock = ci->connect_fd;
+ for (s5r = s5r_head; NULL != s5r; s5r = s5r->next)
+ {
+ if (GNUNET_NETWORK_get_fd (s5r->sock) == sock)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Connection stale!\n");
- return;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Context set...\n");
+ s5r->ssl_checked = GNUNET_NO;
+ *con_cls = s5r;
+ break;
}
- cleanup_s5r (s5r);
- curl_download_prepare ();
- *con_cls = NULL;
- break;
- default:
- GNUNET_break (0);
+ }
+ break;
+
+ case MHD_CONNECTION_NOTIFY_CLOSED:
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection closed... cleaning up\n");
+ s5r = *con_cls;
+ if (NULL == s5r)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Connection stale!\n");
+ return;
+ }
+ cleanup_s5r (s5r);
+ curl_download_prepare ();
+ *con_cls = NULL;
+ break;
+
+ default:
+ GNUNET_break (0);
}
}
GNUNET_SCHEDULER_cancel (hd->httpd_task);
hd->httpd_task = NULL;
}
- if ( (MHD_YES != haveto) &&
- (-1 == max) &&
- (hd != httpd) )
+ if ((MHD_YES != haveto) &&
+ (-1 == max) &&
+ (hd != httpd))
{
/* daemon is idle, kill after timeout */
hd->httpd_task = GNUNET_SCHEDULER_add_delayed (MHD_CACHE_TIMEOUT,
* @return NULL on error
*/
static void*
-load_file (const char* filename,
- unsigned int* size)
+load_file (const char*filename,
+ unsigned int*size)
{
void *buffer;
uint64_t fsize;
if (GNUNET_OK !=
- GNUNET_DISK_file_size (filename, &fsize,
- GNUNET_YES, GNUNET_YES))
+ GNUNET_DISK_file_size (filename,
+ &fsize,
+ GNUNET_YES,
+ GNUNET_YES))
return NULL;
if (fsize > MAX_PEM_SIZE)
return NULL;
*/
static int
load_key_from_file (gnutls_x509_privkey_t key,
- const char* keyfile)
+ const char*keyfile)
{
gnutls_datum_t key_data;
int ret;
- key_data.data = load_file (keyfile, &key_data.size);
+ key_data.data = load_file (keyfile,
+ &key_data.size);
if (NULL == key_data.data)
return GNUNET_SYSERR;
ret = gnutls_x509_privkey_import (key, &key_data,
if (GNUTLS_E_SUCCESS != ret)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Unable to import private key from file `%s'\n"),
+ _ ("Unable to import private key from file `%s'\n"),
keyfile);
}
GNUNET_free_non_null (key_data.data);
*/
static int
load_cert_from_file (gnutls_x509_crt_t crt,
- const char* certfile)
+ const char*certfile)
{
gnutls_datum_t cert_data;
int ret;
- cert_data.data = load_file (certfile, &cert_data.size);
+ cert_data.data = load_file (certfile,
+ &cert_data.size);
if (NULL == cert_data.data)
return GNUNET_SYSERR;
- ret = gnutls_x509_crt_import (crt, &cert_data,
+ ret = gnutls_x509_crt_import (crt,
+ &cert_data,
GNUTLS_X509_FMT_PEM);
if (GNUTLS_E_SUCCESS != ret)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Unable to import certificate %s\n"), certfile);
+ _ ("Unable to import certificate from `%s'\n"),
+ certfile);
}
GNUNET_free_non_null (cert_data.data);
return (GNUTLS_E_SUCCESS != ret) ? GNUNET_SYSERR : GNUNET_OK;
"Generating x.509 certificate for `%s'\n",
name);
GNUNET_break (GNUTLS_E_SUCCESS == gnutls_x509_crt_init (&request));
- GNUNET_break (GNUTLS_E_SUCCESS == gnutls_x509_crt_set_key (request, proxy_ca.key));
+ GNUNET_break (GNUTLS_E_SUCCESS == gnutls_x509_crt_set_key (request,
+ proxy_ca.key));
pgc = GNUNET_new (struct ProxyGNSCertificate);
- gnutls_x509_crt_set_dn_by_oid (request, GNUTLS_OID_X520_COUNTRY_NAME,
- 0, "ZZ", 2);
- gnutls_x509_crt_set_dn_by_oid (request, GNUTLS_OID_X520_ORGANIZATION_NAME,
- 0, "GNU Name System", 4);
- gnutls_x509_crt_set_dn_by_oid (request, GNUTLS_OID_X520_COMMON_NAME,
- 0, name, strlen (name));
- GNUNET_break (GNUTLS_E_SUCCESS == gnutls_x509_crt_set_version (request, 3));
- gnutls_rnd (GNUTLS_RND_NONCE, &serial, sizeof (serial));
+ gnutls_x509_crt_set_dn_by_oid (request,
+ GNUTLS_OID_X520_COUNTRY_NAME,
+ 0,
+ "ZZ",
+ strlen ("ZZ"));
+ gnutls_x509_crt_set_dn_by_oid (request,
+ GNUTLS_OID_X520_ORGANIZATION_NAME,
+ 0,
+ "GNU Name System",
+ strlen ("GNU Name System"));
+ gnutls_x509_crt_set_dn_by_oid (request,
+ GNUTLS_OID_X520_COMMON_NAME,
+ 0,
+ name,
+ strlen (name));
+ gnutls_x509_crt_set_subject_alternative_name (request,
+ GNUTLS_SAN_DNSNAME,
+ name);
+ GNUNET_break (GNUTLS_E_SUCCESS ==
+ gnutls_x509_crt_set_version (request,
+ 3));
+ gnutls_rnd (GNUTLS_RND_NONCE,
+ &serial,
+ sizeof(serial));
gnutls_x509_crt_set_serial (request,
&serial,
- sizeof (serial));
+ sizeof(serial));
etime = time (NULL);
tm_data = localtime (&etime);
tm_data->tm_hour--;
- etime = mktime(tm_data);
+ etime = mktime (tm_data);
gnutls_x509_crt_set_activation_time (request,
etime);
tm_data->tm_year++;
gnutls_x509_crt_set_expiration_time (request,
etime);
gnutls_x509_crt_sign2 (request,
- proxy_ca.cert,
- proxy_ca.key,
- GNUTLS_DIG_SHA512,
- 0);
- key_buf_size = sizeof (pgc->key);
- cert_buf_size = sizeof (pgc->cert);
- gnutls_x509_crt_export (request, GNUTLS_X509_FMT_PEM,
- pgc->cert, &cert_buf_size);
- gnutls_x509_privkey_export (proxy_ca.key, GNUTLS_X509_FMT_PEM,
- pgc->key, &key_buf_size);
+ proxy_ca.cert,
+ proxy_ca.key,
+ GNUTLS_DIG_SHA512,
+ 0);
+ key_buf_size = sizeof(pgc->key);
+ cert_buf_size = sizeof(pgc->cert);
+ gnutls_x509_crt_export (request,
+ GNUTLS_X509_FMT_PEM,
+ pgc->cert,
+ &cert_buf_size);
+ gnutls_x509_privkey_export (proxy_ca.key,
+ GNUTLS_X509_FMT_PEM,
+ pgc->key,
+ &key_buf_size);
gnutls_x509_crt_deinit (request);
return pgc;
}
* @return NULL on error
*/
static struct MhdHttpList *
-lookup_ssl_httpd (const char* domain)
+lookup_ssl_httpd (const char*domain)
{
struct MhdHttpList *hd;
struct ProxyGNSCertificate *pgc;
return NULL;
}
for (hd = mhd_httpd_head; NULL != hd; hd = hd->next)
- if ( (NULL != hd->domain) &&
- (0 == strcmp (hd->domain, domain)) )
+ if ((NULL != hd->domain) &&
+ (0 == strcmp (hd->domain, domain)))
return hd;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Starting fresh MHD HTTPS instance for domain `%s'\n",
hd->is_ssl = GNUNET_YES;
hd->domain = GNUNET_strdup (domain);
hd->proxy_cert = pgc;
- hd->daemon = MHD_start_daemon (MHD_USE_DEBUG | MHD_USE_SSL | MHD_USE_NO_LISTEN_SOCKET | MHD_ALLOW_SUSPEND_RESUME,
+ hd->daemon = MHD_start_daemon (MHD_USE_DEBUG | MHD_USE_SSL
+ | MHD_USE_NO_LISTEN_SOCKET
+ | MHD_ALLOW_SUSPEND_RESUME,
0,
NULL, NULL,
&create_response, hd,
- MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) 16,
- MHD_OPTION_NOTIFY_COMPLETED, &mhd_completed_cb, NULL,
- MHD_OPTION_NOTIFY_CONNECTION, &mhd_connection_cb, NULL,
- MHD_OPTION_URI_LOG_CALLBACK, &mhd_log_callback, NULL,
- MHD_OPTION_EXTERNAL_LOGGER, &mhd_error_log_callback, NULL,
+ MHD_OPTION_CONNECTION_TIMEOUT, (unsigned
+ int) 16,
+ MHD_OPTION_NOTIFY_COMPLETED, &mhd_completed_cb,
+ NULL,
+ MHD_OPTION_NOTIFY_CONNECTION,
+ &mhd_connection_cb, NULL,
+ MHD_OPTION_URI_LOG_CALLBACK, &mhd_log_callback,
+ NULL,
+ MHD_OPTION_EXTERNAL_LOGGER,
+ &mhd_error_log_callback, NULL,
MHD_OPTION_HTTPS_MEM_KEY, pgc->key,
MHD_OPTION_HTTPS_MEM_CERT, pgc->cert,
MHD_OPTION_END);
socklen_t len;
char *domain;
- switch (s5r->port)
+ if (GNUNET_YES == s5r->is_tls)
{
- case HTTPS_PORT:
- GNUNET_asprintf (&domain,
- "%s",
- s5r->domain);
- hd = lookup_ssl_httpd (domain);
- if (NULL == hd)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Failed to start HTTPS server for `%s'\n"),
- s5r->domain);
- cleanup_s5r (s5r);
- GNUNET_free (domain);
- return;
- }
- break;
- case HTTP_PORT:
- default:
- domain = NULL;
- GNUNET_assert (NULL != httpd);
- hd = httpd;
- break;
+ GNUNET_asprintf (&domain,
+ "%s",
+ s5r->domain);
+ hd = lookup_ssl_httpd (domain);
+ if (NULL == hd)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _ ("Failed to start HTTPS server for `%s'\n"),
+ s5r->domain);
+ cleanup_s5r (s5r);
+ GNUNET_free (domain);
+ return;
+ }
+ }
+ else
+ {
+ domain = NULL;
+ GNUNET_assert (NULL != httpd);
+ hd = httpd;
}
fd = GNUNET_NETWORK_get_fd (s5r->sock);
addr = GNUNET_NETWORK_get_addr (s5r->sock);
len))
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Failed to pass client to MHD\n"));
+ _ ("Failed to pass client to MHD\n"));
cleanup_s5r (s5r);
GNUNET_free_non_null (domain);
return;
switch (s5r->state)
{
- case SOCKS5_INIT:
- GNUNET_assert (0);
- break;
- case SOCKS5_REQUEST:
- GNUNET_assert (NULL != s5r->rtask);
- break;
- case SOCKS5_DATA_TRANSFER:
- setup_data_transfer (s5r);
- return;
- case SOCKS5_WRITE_THEN_CLEANUP:
- cleanup_s5r (s5r);
- return;
- default:
- GNUNET_break (0);
- break;
+ case SOCKS5_INIT:
+ GNUNET_assert (0);
+ break;
+
+ case SOCKS5_REQUEST:
+ GNUNET_assert (NULL != s5r->rtask);
+ break;
+
+ case SOCKS5_DATA_TRANSFER:
+ setup_data_transfer (s5r);
+ return;
+
+ case SOCKS5_WRITE_THEN_CLEANUP:
+ cleanup_s5r (s5r);
+ return;
+
+ default:
+ GNUNET_break (0);
+ break;
}
}
struct Socks5ServerResponseMessage *s_resp;
s_resp = (struct Socks5ServerResponseMessage *) &s5r->wbuf[s5r->wbuf_len];
- memset (s_resp, 0, sizeof (struct Socks5ServerResponseMessage));
+ memset (s_resp, 0, sizeof(struct Socks5ServerResponseMessage));
s_resp->version = SOCKS_VERSION_5;
s_resp->reply = sc;
s5r->state = SOCKS5_WRITE_THEN_CLEANUP;
/* zero out IPv4 address and port */
memset (&s_resp[1],
0,
- sizeof (struct in_addr) + sizeof (uint16_t));
- s5r->wbuf_len += sizeof (struct Socks5ServerResponseMessage) +
- sizeof (struct in_addr) + sizeof (uint16_t);
+ sizeof(struct in_addr) + sizeof(uint16_t));
+ s5r->wbuf_len += sizeof(struct Socks5ServerResponseMessage)
+ + sizeof(struct in_addr) + sizeof(uint16_t);
if (NULL == s5r->wtask)
s5r->wtask =
GNUNET_SCHEDULER_add_write_net (GNUNET_TIME_UNIT_FOREVER_REL,
s5r->gns_lookup = NULL;
s5r->is_gns = tld;
got_ip = GNUNET_NO;
- for (uint32_t i=0;i<rd_count;i++)
+ for (uint32_t i = 0; i < rd_count; i++)
{
r = &rd[i];
switch (r->record_type)
{
- case GNUNET_DNSPARSER_TYPE_A:
- {
- struct sockaddr_in *in;
+ case GNUNET_DNSPARSER_TYPE_A:
+ {
+ struct sockaddr_in *in;
- if (sizeof (struct in_addr) != r->data_size)
- {
- GNUNET_break_op (0);
- break;
- }
- if (GNUNET_YES == got_ip)
- break;
- if (GNUNET_OK !=
- GNUNET_NETWORK_test_pf (PF_INET))
- break;
- got_ip = GNUNET_YES;
- in = (struct sockaddr_in *) &s5r->destination_address;
- in->sin_family = AF_INET;
- GNUNET_memcpy (&in->sin_addr,
- r->data,
- r->data_size);
- in->sin_port = htons (s5r->port);
+ if (sizeof(struct in_addr) != r->data_size)
+ {
+ GNUNET_break_op (0);
+ break;
+ }
+ if (GNUNET_YES == got_ip)
+ break;
+ if (GNUNET_OK !=
+ GNUNET_NETWORK_test_pf (PF_INET))
+ break;
+ got_ip = GNUNET_YES;
+ in = (struct sockaddr_in *) &s5r->destination_address;
+ in->sin_family = AF_INET;
+ GNUNET_memcpy (&in->sin_addr,
+ r->data,
+ r->data_size);
+ in->sin_port = htons (s5r->port);
#if HAVE_SOCKADDR_IN_SIN_LEN
- in->sin_len = sizeof (*in);
+ in->sin_len = sizeof(*in);
#endif
- }
- break;
- case GNUNET_DNSPARSER_TYPE_AAAA:
- {
- struct sockaddr_in6 *in;
+ }
+ break;
- if (sizeof (struct in6_addr) != r->data_size)
- {
- GNUNET_break_op (0);
- break;
- }
- if (GNUNET_YES == got_ip)
- break;
- if (GNUNET_OK !=
- GNUNET_NETWORK_test_pf (PF_INET))
- break;
- /* FIXME: allow user to disable IPv6 per configuration option... */
- got_ip = GNUNET_YES;
- in = (struct sockaddr_in6 *) &s5r->destination_address;
- in->sin6_family = AF_INET6;
- GNUNET_memcpy (&in->sin6_addr,
- r->data,
- r->data_size);
- in->sin6_port = htons (s5r->port);
+ case GNUNET_DNSPARSER_TYPE_AAAA:
+ {
+ struct sockaddr_in6 *in;
+
+ if (sizeof(struct in6_addr) != r->data_size)
+ {
+ GNUNET_break_op (0);
+ break;
+ }
+ if (GNUNET_YES == got_ip)
+ break;
+ if (GNUNET_YES == disable_v6)
+ break;
+ if (GNUNET_OK !=
+ GNUNET_NETWORK_test_pf (PF_INET6))
+ break;
+ /* FIXME: allow user to disable IPv6 per configuration option... */
+ got_ip = GNUNET_YES;
+ in = (struct sockaddr_in6 *) &s5r->destination_address;
+ in->sin6_family = AF_INET6;
+ GNUNET_memcpy (&in->sin6_addr,
+ r->data,
+ r->data_size);
+ in->sin6_port = htons (s5r->port);
#if HAVE_SOCKADDR_IN_SIN_LEN
- in->sin6_len = sizeof (*in);
+ in->sin6_len = sizeof(*in);
#endif
+ }
+ break;
+
+ case GNUNET_GNSRECORD_TYPE_VPN:
+ GNUNET_break (0); /* should have been translated within GNS */
+ break;
+
+ case GNUNET_GNSRECORD_TYPE_LEHO:
+ GNUNET_free_non_null (s5r->leho);
+ s5r->leho = GNUNET_strndup (r->data,
+ r->data_size);
+ break;
+
+ case GNUNET_GNSRECORD_TYPE_BOX:
+ {
+ const struct GNUNET_GNSRECORD_BoxRecord *box;
+
+ if (r->data_size < sizeof(struct GNUNET_GNSRECORD_BoxRecord))
+ {
+ GNUNET_break_op (0);
+ break;
}
- break;
- case GNUNET_GNSRECORD_TYPE_VPN:
- GNUNET_break (0); /* should have been translated within GNS */
- break;
- case GNUNET_GNSRECORD_TYPE_LEHO:
- GNUNET_free_non_null (s5r->leho);
- s5r->leho = GNUNET_strndup (r->data,
- r->data_size);
- break;
- case GNUNET_GNSRECORD_TYPE_BOX:
+ box = r->data;
+ if ((ntohl (box->record_type) != GNUNET_DNSPARSER_TYPE_TLSA) ||
+ (ntohs (box->protocol) != IPPROTO_TCP) ||
+ (ntohs (box->service) != s5r->port))
+ break; /* BOX record does not apply */
+ if (s5r->num_danes >= MAX_DANES)
{
- const struct GNUNET_GNSRECORD_BoxRecord *box;
-
- if (r->data_size < sizeof (struct GNUNET_GNSRECORD_BoxRecord))
- {
- GNUNET_break_op (0);
- break;
- }
- box = r->data;
- if ( (ntohl (box->record_type) != GNUNET_DNSPARSER_TYPE_TLSA) ||
- (ntohs (box->protocol) != IPPROTO_TCP) ||
- (ntohs (box->service) != s5r->port) )
- break; /* BOX record does not apply */
- GNUNET_free_non_null (s5r->dane_data);
- s5r->dane_data_len = r->data_size - sizeof (struct GNUNET_GNSRECORD_BoxRecord);
- s5r->dane_data = GNUNET_malloc (s5r->dane_data_len);
- GNUNET_memcpy (s5r->dane_data,
- &box[1],
- s5r->dane_data_len);
+ GNUNET_break (0); /* MAX_DANES too small */
break;
}
- default:
- /* don't care */
+ s5r->is_tls = GNUNET_YES; /* This should be TLS */
+ s5r->dane_data_len[s5r->num_danes]
+ = r->data_size - sizeof(struct GNUNET_GNSRECORD_BoxRecord);
+ s5r->dane_data[s5r->num_danes]
+ = GNUNET_memdup (&box[1],
+ s5r->dane_data_len[s5r->num_danes]);
+ s5r->num_danes++;
break;
+ }
+
+ default:
+ /* don't care */
+ break;
}
}
- if ( (GNUNET_YES != got_ip) &&
- (GNUNET_YES == tld) )
+ if ((GNUNET_YES != got_ip) &&
+ (GNUNET_YES == tld))
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Name resolution failed to yield useful IP address.\n");
s5r->rtask = NULL;
tc = GNUNET_SCHEDULER_get_task_context ();
- if ( (NULL != tc->read_ready) &&
- (GNUNET_NETWORK_fdset_isset (tc->read_ready, s5r->sock)) )
+ if ((NULL != tc->read_ready) &&
+ (GNUNET_NETWORK_fdset_isset (tc->read_ready,
+ s5r->sock)))
{
rlen = GNUNET_NETWORK_socket_recv (s5r->sock,
&s5r->rbuf[s5r->rbuf_len],
- sizeof (s5r->rbuf) - s5r->rbuf_len);
+ sizeof(s5r->rbuf) - s5r->rbuf_len);
if (rlen <= 0)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
s5r->state);
switch (s5r->state)
{
- case SOCKS5_INIT:
- c_hello = (const struct Socks5ClientHelloMessage*) &s5r->rbuf;
- if ( (s5r->rbuf_len < sizeof (struct Socks5ClientHelloMessage)) ||
- (s5r->rbuf_len < sizeof (struct Socks5ClientHelloMessage) + c_hello->num_auth_methods) )
- return; /* need more data */
- if (SOCKS_VERSION_5 != c_hello->version)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Unsupported socks version %d\n"),
- (int) c_hello->version);
- cleanup_s5r (s5r);
- return;
- }
- clear_from_s5r_rbuf (s5r,
- sizeof (struct Socks5ClientHelloMessage) + c_hello->num_auth_methods);
- GNUNET_assert (0 == s5r->wbuf_len);
- s_hello = (struct Socks5ServerHelloMessage *) &s5r->wbuf;
- s5r->wbuf_len = sizeof (struct Socks5ServerHelloMessage);
- s_hello->version = SOCKS_VERSION_5;
- s_hello->auth_method = SOCKS_AUTH_NONE;
- GNUNET_assert (NULL == s5r->wtask);
- s5r->wtask = GNUNET_SCHEDULER_add_write_net (GNUNET_TIME_UNIT_FOREVER_REL,
- s5r->sock,
- &do_write, s5r);
- s5r->state = SOCKS5_REQUEST;
+ case SOCKS5_INIT:
+ c_hello = (const struct Socks5ClientHelloMessage*) &s5r->rbuf;
+ if ((s5r->rbuf_len < sizeof(struct Socks5ClientHelloMessage)) ||
+ (s5r->rbuf_len < sizeof(struct Socks5ClientHelloMessage)
+ + c_hello->num_auth_methods))
+ return; /* need more data */
+ if (SOCKS_VERSION_5 != c_hello->version)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _ ("Unsupported socks version %d\n"),
+ (int) c_hello->version);
+ cleanup_s5r (s5r);
return;
- case SOCKS5_REQUEST:
- c_req = (const struct Socks5ClientRequestMessage *) &s5r->rbuf;
- if (s5r->rbuf_len < sizeof (struct Socks5ClientRequestMessage))
- return;
- switch (c_req->command)
- {
- case SOCKS5_CMD_TCP_STREAM:
- /* handled below */
- break;
- default:
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Unsupported socks command %d\n"),
- (int) c_req->command);
- signal_socks_failure (s5r,
- SOCKS5_STATUS_COMMAND_NOT_SUPPORTED);
- return;
- }
- switch (c_req->addr_type)
+ }
+ clear_from_s5r_rbuf (s5r,
+ sizeof(struct Socks5ClientHelloMessage)
+ + c_hello->num_auth_methods);
+ GNUNET_assert (0 == s5r->wbuf_len);
+ s_hello = (struct Socks5ServerHelloMessage *) &s5r->wbuf;
+ s5r->wbuf_len = sizeof(struct Socks5ServerHelloMessage);
+ s_hello->version = SOCKS_VERSION_5;
+ s_hello->auth_method = SOCKS_AUTH_NONE;
+ GNUNET_assert (NULL == s5r->wtask);
+ s5r->wtask = GNUNET_SCHEDULER_add_write_net (GNUNET_TIME_UNIT_FOREVER_REL,
+ s5r->sock,
+ &do_write, s5r);
+ s5r->state = SOCKS5_REQUEST;
+ return;
+
+ case SOCKS5_REQUEST:
+ c_req = (const struct Socks5ClientRequestMessage *) &s5r->rbuf;
+ if (s5r->rbuf_len < sizeof(struct Socks5ClientRequestMessage))
+ return;
+ switch (c_req->command)
+ {
+ case SOCKS5_CMD_TCP_STREAM:
+ /* handled below */
+ break;
+
+ default:
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _ ("Unsupported socks command %d\n"),
+ (int) c_req->command);
+ signal_socks_failure (s5r,
+ SOCKS5_STATUS_COMMAND_NOT_SUPPORTED);
+ return;
+ }
+ switch (c_req->addr_type)
+ {
+ case SOCKS5_AT_IPV4:
{
- case SOCKS5_AT_IPV4:
- {
- const struct in_addr *v4 = (const struct in_addr *) &c_req[1];
- const uint16_t *port = (const uint16_t *) &v4[1];
- struct sockaddr_in *in;
-
- s5r->port = ntohs (*port);
- alen = sizeof (struct in_addr);
- if (s5r->rbuf_len < sizeof (struct Socks5ClientRequestMessage) +
- alen + sizeof (uint16_t))
- return; /* need more data */
- in = (struct sockaddr_in *) &s5r->destination_address;
- in->sin_family = AF_INET;
- in->sin_addr = *v4;
- in->sin_port = *port;
-#if HAVE_SOCKADDR_IN_SIN_LEN
- in->sin_len = sizeof (*in);
-#endif
- s5r->state = SOCKS5_DATA_TRANSFER;
- }
- break;
- case SOCKS5_AT_IPV6:
- {
- const struct in6_addr *v6 = (const struct in6_addr *) &c_req[1];
- const uint16_t *port = (const uint16_t *) &v6[1];
- struct sockaddr_in6 *in;
-
- s5r->port = ntohs (*port);
- alen = sizeof (struct in6_addr);
- if (s5r->rbuf_len < sizeof (struct Socks5ClientRequestMessage) +
- alen + sizeof (uint16_t))
- return; /* need more data */
- in = (struct sockaddr_in6 *) &s5r->destination_address;
- in->sin6_family = AF_INET6;
- in->sin6_addr = *v6;
- in->sin6_port = *port;
+ const struct in_addr *v4 = (const struct in_addr *) &c_req[1];
+ const uint16_t *port = (const uint16_t *) &v4[1];
+ struct sockaddr_in *in;
+
+ s5r->port = ntohs (*port);
+ alen = sizeof(struct in_addr);
+ if (s5r->rbuf_len < sizeof(struct Socks5ClientRequestMessage)
+ + alen + sizeof(uint16_t))
+ return; /* need more data */
+ in = (struct sockaddr_in *) &s5r->destination_address;
+ in->sin_family = AF_INET;
+ in->sin_addr = *v4;
+ in->sin_port = *port;
#if HAVE_SOCKADDR_IN_SIN_LEN
- in->sin6_len = sizeof (*in);
+ in->sin_len = sizeof(*in);
#endif
- s5r->state = SOCKS5_DATA_TRANSFER;
- }
- break;
- case SOCKS5_AT_DOMAINNAME:
- {
- const uint8_t *dom_len;
- const char *dom_name;
- const uint16_t *port;
-
- dom_len = (const uint8_t *) &c_req[1];
- alen = *dom_len + 1;
- if (s5r->rbuf_len < sizeof (struct Socks5ClientRequestMessage) +
- alen + sizeof (uint16_t))
- return; /* need more data */
- dom_name = (const char *) &dom_len[1];
- port = (const uint16_t*) &dom_name[*dom_len];
- s5r->domain = GNUNET_strndup (dom_name,
- *dom_len);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Requested connection is to %s:%d\n",
- s5r->domain,
- ntohs (*port));
- s5r->state = SOCKS5_RESOLVING;
- s5r->port = ntohs (*port);
- s5r->gns_lookup = GNUNET_GNS_lookup_with_tld (gns_handle,
- s5r->domain,
- GNUNET_DNSPARSER_TYPE_A,
- GNUNET_NO /* only cached */,
- &handle_gns_result,
- s5r);
- break;
- }
- default:
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Unsupported socks address type %d\n"),
- (int) c_req->addr_type);
- signal_socks_failure (s5r,
- SOCKS5_STATUS_ADDRESS_TYPE_NOT_SUPPORTED);
- return;
+ s5r->state = SOCKS5_DATA_TRANSFER;
}
- clear_from_s5r_rbuf (s5r,
- sizeof (struct Socks5ClientRequestMessage) +
- alen + sizeof (uint16_t));
- if (0 != s5r->rbuf_len)
+ break;
+
+ case SOCKS5_AT_IPV6:
{
- /* read more bytes than healthy, why did the client send more!? */
- GNUNET_break_op (0);
- signal_socks_failure (s5r,
- SOCKS5_STATUS_GENERAL_FAILURE);
- return;
+ const struct in6_addr *v6 = (const struct in6_addr *) &c_req[1];
+ const uint16_t *port = (const uint16_t *) &v6[1];
+ struct sockaddr_in6 *in;
+
+ s5r->port = ntohs (*port);
+ alen = sizeof(struct in6_addr);
+ if (s5r->rbuf_len < sizeof(struct Socks5ClientRequestMessage)
+ + alen + sizeof(uint16_t))
+ return; /* need more data */
+ in = (struct sockaddr_in6 *) &s5r->destination_address;
+ in->sin6_family = AF_INET6;
+ in->sin6_addr = *v6;
+ in->sin6_port = *port;
+#if HAVE_SOCKADDR_IN_SIN_LEN
+ in->sin6_len = sizeof(*in);
+#endif
+ s5r->state = SOCKS5_DATA_TRANSFER;
}
- if (SOCKS5_DATA_TRANSFER == s5r->state)
+ break;
+
+ case SOCKS5_AT_DOMAINNAME:
{
- /* if we are not waiting for GNS resolution, signal success */
- signal_socks_success (s5r);
+ const uint8_t *dom_len;
+ const char *dom_name;
+ const uint16_t *port;
+
+ dom_len = (const uint8_t *) &c_req[1];
+ alen = *dom_len + 1;
+ if (s5r->rbuf_len < sizeof(struct Socks5ClientRequestMessage)
+ + alen + sizeof(uint16_t))
+ return; /* need more data */
+ dom_name = (const char *) &dom_len[1];
+ port = (const uint16_t*) &dom_name[*dom_len];
+ s5r->domain = GNUNET_strndup (dom_name,
+ *dom_len);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Requested connection is to %s:%d\n",
+ // (HTTPS_PORT == s5r->port) ? "s" : "",
+ s5r->domain,
+ ntohs (*port));
+ s5r->state = SOCKS5_RESOLVING;
+ s5r->port = ntohs (*port);
+ s5r->is_tls = (HTTPS_PORT == s5r->port) ? GNUNET_YES : GNUNET_NO;
+ s5r->gns_lookup = GNUNET_GNS_lookup_with_tld (gns_handle,
+ s5r->domain,
+ GNUNET_DNSPARSER_TYPE_A,
+ GNUNET_NO /* only cached */,
+ &handle_gns_result,
+ s5r);
+ break;
}
- /* We are done reading right now */
- GNUNET_SCHEDULER_cancel (s5r->rtask);
- s5r->rtask = NULL;
- return;
- case SOCKS5_RESOLVING:
- GNUNET_assert (0);
- return;
- case SOCKS5_DATA_TRANSFER:
- GNUNET_assert (0);
- return;
+
default:
- GNUNET_assert (0);
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _ ("Unsupported socks address type %d\n"),
+ (int) c_req->addr_type);
+ signal_socks_failure (s5r,
+ SOCKS5_STATUS_ADDRESS_TYPE_NOT_SUPPORTED);
+ return;
+ }
+ clear_from_s5r_rbuf (s5r,
+ sizeof(struct Socks5ClientRequestMessage)
+ + alen + sizeof(uint16_t));
+ if (0 != s5r->rbuf_len)
+ {
+ /* read more bytes than healthy, why did the client send more!? */
+ GNUNET_break_op (0);
+ signal_socks_failure (s5r,
+ SOCKS5_STATUS_GENERAL_FAILURE);
return;
+ }
+ if (SOCKS5_DATA_TRANSFER == s5r->state)
+ {
+ /* if we are not waiting for GNS resolution, signal success */
+ signal_socks_success (s5r);
+ }
+ /* We are done reading right now */
+ GNUNET_SCHEDULER_cancel (s5r->rtask);
+ s5r->rtask = NULL;
+ return;
+
+ case SOCKS5_RESOLVING:
+ GNUNET_assert (0);
+ return;
+
+ case SOCKS5_DATA_TRANSFER:
+ GNUNET_assert (0);
+ return;
+
+ default:
+ GNUNET_assert (0);
+ return;
}
}
if (lsock == lsock4)
ltask4 = GNUNET_SCHEDULER_add_read_net (GNUNET_TIME_UNIT_FOREVER_REL,
lsock,
- &do_accept, lsock);
+ &do_accept,
+ lsock);
else if (lsock == lsock6)
ltask6 = GNUNET_SCHEDULER_add_read_net (GNUNET_TIME_UNIT_FOREVER_REL,
lsock,
- &do_accept, lsock);
+ &do_accept,
+ lsock);
else
GNUNET_assert (0);
- s = GNUNET_NETWORK_socket_accept (lsock, NULL, NULL);
+ s = GNUNET_NETWORK_socket_accept (lsock,
+ NULL,
+ NULL);
if (NULL == s)
{
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "accept");
+ GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR,
+ "accept");
return;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
s5r->state = SOCKS5_INIT;
s5r->rtask = GNUNET_SCHEDULER_add_read_net (GNUNET_TIME_UNIT_FOREVER_REL,
s5r->sock,
- &do_s5r_read, s5r);
+ &do_s5r_read,
+ s5r);
}
struct sockaddr_in sa4;
int eno;
- memset (&sa4, 0, sizeof (sa4));
+ memset (&sa4, 0, sizeof(sa4));
sa4.sin_family = AF_INET;
sa4.sin_port = htons (port);
+ sa4.sin_addr.s_addr = address;
#if HAVE_SOCKADDR_IN_SIN_LEN
- sa4.sin_len = sizeof (sa4);
+ sa4.sin_len = sizeof(sa4);
#endif
ls = GNUNET_NETWORK_socket_create (AF_INET,
SOCK_STREAM,
if (NULL == ls)
return NULL;
if (GNUNET_OK !=
- GNUNET_NETWORK_socket_bind (ls, (const struct sockaddr *) &sa4,
- sizeof (sa4)))
+ GNUNET_NETWORK_socket_bind (ls,
+ (const struct sockaddr *) &sa4,
+ sizeof(sa4)))
{
eno = errno;
GNUNET_NETWORK_socket_close (ls);
struct sockaddr_in6 sa6;
int eno;
- memset (&sa6, 0, sizeof (sa6));
+ memset (&sa6, 0, sizeof(sa6));
sa6.sin6_family = AF_INET6;
sa6.sin6_port = htons (port);
+ sa6.sin6_addr = address6;
#if HAVE_SOCKADDR_IN_SIN_LEN
- sa6.sin6_len = sizeof (sa6);
+ sa6.sin6_len = sizeof(sa6);
#endif
ls = GNUNET_NETWORK_socket_create (AF_INET6,
SOCK_STREAM,
if (NULL == ls)
return NULL;
if (GNUNET_OK !=
- GNUNET_NETWORK_socket_bind (ls, (const struct sockaddr *) &sa6,
- sizeof (sa6)))
+ GNUNET_NETWORK_socket_bind (ls,
+ (const struct sockaddr *) &sa6,
+ sizeof(sa6)))
{
eno = errno;
GNUNET_NETWORK_socket_close (ls);
const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *c)
{
- char* cafile_cfg = NULL;
- char* cafile;
+ char*cafile_cfg = NULL;
+ char*cafile;
+ char*addr_str;
struct MhdHttpList *hd;
cfg = c;
+ /* Get address to bind to */
+ if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (cfg, "gns-proxy",
+ "BIND_TO",
+ &addr_str))
+ {
+ // No address specified
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Don't know what to bind to...\n");
+ GNUNET_free (addr_str);
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ }
+ if (1 != inet_pton (AF_INET, addr_str, &address))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Unable to parse address %s\n",
+ addr_str);
+ GNUNET_free (addr_str);
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ }
+ GNUNET_free (addr_str);
+ /* Get address to bind to */
+ if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (cfg, "gns-proxy",
+ "BIND_TO6",
+ &addr_str))
+ {
+ // No address specified
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Don't know what to bind6 to...\n");
+ GNUNET_free (addr_str);
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ }
+ if (1 != inet_pton (AF_INET6, addr_str, &address6))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Unable to parse IPv6 address %s\n",
+ addr_str);
+ GNUNET_free (addr_str);
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ }
+ GNUNET_free (addr_str);
+
if (NULL == (curl_multi = curl_multi_init ()))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
cafile = cafile_cfg;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Using %s as CA\n", cafile);
+ "Using `%s' as CA\n",
+ cafile);
gnutls_global_init ();
gnutls_x509_crt_init (&proxy_ca.cert);
gnutls_x509_privkey_init (&proxy_ca.key);
- if ( (GNUNET_OK !=
- load_cert_from_file (proxy_ca.cert,
- cafile)) ||
- (GNUNET_OK !=
- load_key_from_file (proxy_ca.key,
- cafile)) )
+ if ((GNUNET_OK !=
+ load_cert_from_file (proxy_ca.cert,
+ cafile)) ||
+ (GNUNET_OK !=
+ load_key_from_file (proxy_ca.key,
+ cafile)))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Failed to load X.509 key and certificate from `%s'\n"),
+ _ ("Failed to load X.509 key and certificate from `%s'\n"),
cafile);
gnutls_x509_crt_deinit (proxy_ca.cert);
gnutls_x509_privkey_deinit (proxy_ca.key);
lsock4);
}
}
- if ( (NULL == lsock4) &&
- (NULL == lsock6) )
+ if ((NULL == lsock4) &&
+ (NULL == lsock6))
{
GNUNET_SCHEDULER_shutdown ();
return;
/* start MHD daemon for HTTP */
hd = GNUNET_new (struct MhdHttpList);
- hd->daemon = MHD_start_daemon (MHD_USE_DEBUG | MHD_USE_NO_LISTEN_SOCKET | MHD_ALLOW_SUSPEND_RESUME,
+ hd->daemon = MHD_start_daemon (MHD_USE_DEBUG | MHD_USE_NO_LISTEN_SOCKET
+ | MHD_ALLOW_SUSPEND_RESUME,
0,
NULL, NULL,
&create_response, hd,
- MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) 16,
- MHD_OPTION_NOTIFY_COMPLETED, &mhd_completed_cb, NULL,
- MHD_OPTION_NOTIFY_CONNECTION, &mhd_connection_cb, NULL,
- MHD_OPTION_URI_LOG_CALLBACK, &mhd_log_callback, NULL,
+ MHD_OPTION_CONNECTION_TIMEOUT, (unsigned
+ int) 16,
+ MHD_OPTION_NOTIFY_COMPLETED, &mhd_completed_cb,
+ NULL,
+ MHD_OPTION_NOTIFY_CONNECTION,
+ &mhd_connection_cb, NULL,
+ MHD_OPTION_URI_LOG_CALLBACK, &mhd_log_callback,
+ NULL,
MHD_OPTION_END);
if (NULL == hd->daemon)
{
* @return 0 ok, 1 on error
*/
int
-main (int argc, char *const *argv)
+main (int argc,
+ char *const *argv)
{
struct GNUNET_GETOPT_CommandLineOption options[] = {
GNUNET_GETOPT_option_uint16 ('p',
- "port",
- NULL,
- gettext_noop ("listen on specified port (default: 7777)"),
- &port),
+ "port",
+ NULL,
+ gettext_noop (
+ "listen on specified port (default: 7777)"),
+ &port),
GNUNET_GETOPT_option_string ('a',
"authority",
NULL,
gettext_noop ("pem file to use as CA"),
&cafile_opt),
+ GNUNET_GETOPT_option_flag ('6',
+ "disable-ivp6",
+ gettext_noop ("disable use of IPv6"),
+ &disable_v6),
GNUNET_GETOPT_OPTION_END
};
- static const char* page =
+ static const char*page =
"<html><head><title>gnunet-gns-proxy</title>"
"</head><body>cURL fail</body></html>";
int ret;
- if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv,
- &argc, &argv))
+ if (GNUNET_OK !=
+ GNUNET_STRINGS_get_utf8_args (argc, argv,
+ &argc, &argv))
return 2;
GNUNET_log_setup ("gnunet-gns-proxy",
"WARNING",
(GNUNET_OK ==
GNUNET_PROGRAM_run (argc, argv,
"gnunet-gns-proxy",
- _("GNUnet GNS proxy"),
+ _ ("GNUnet GNS proxy"),
options,
&run, NULL)) ? 0 : 1;
MHD_destroy_response (curl_failure_response);
projects / oweals / gnunet.git / blobdiff