Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
-
+/**
+ * @author Martin Schanzenbach
+ * @file src/gns/gnunet-gns-proxy.c
+ * @brief HTTP(S) proxy that rewrites URIs and fakes certificats to make GADS work
+ * with legacy browsers
+ */
#include "platform.h"
-#include <gnunet_util_lib.h>
-#include <gnunet_gns_service.h>
#include <microhttpd.h>
#include <curl/curl.h>
-#include <regex.h>
-#include "gns_proxy_proto.h"
-#include "gns.h"
-
-/** SSL **/
#include <gnutls/gnutls.h>
#include <gnutls/x509.h>
#include <gnutls/abstract.h>
#include <gnutls/crypto.h>
-#include <time.h>
+#include <regex.h>
+#include "gnunet_util_lib.h"
+#include "gnunet_gns_service.h"
+#include "gns_proxy_proto.h"
+#include "gns.h"
+
+#define HAVE_MHD_NO_LISTEN_SOCKET (MHD_VERSION >= 0x00091401)
#define GNUNET_GNS_PROXY_PORT 7777
-#define MAX_MHD_CONNECTIONS 300
+#define MHD_MAX_CONNECTIONS 300
+#define MAX_HTTP_URI_LENGTH 2048
+#define POSTBUFFERSIZE 4096
/* MHD/cURL defines */
-#define BUF_WAIT_FOR_CURL 0
-#define BUF_WAIT_FOR_MHD 1
-#define HTML_HDR_CONTENT "Content-Type: text/html\r\n"
+enum BufferStatus
+ {
+ BUF_WAIT_FOR_CURL,
+ BUF_WAIT_FOR_MHD,
+ BUF_WAIT_FOR_PP
+ };
+
+#define HTML_HDR_CONTENT "Content-Type: text/html"
+
+/* buffer padding for proper RE matching */
+#define CURL_BUF_PADDING 1000
/* regexp */
//#define RE_DOTPLUS "<a href=\"http://(([A-Za-z]+[.])+)([+])"
-#define RE_A_HREF "<a href=\"https?://(([A-Za-z0-9]+[.])+)([+]|zkey)"
+#define RE_A_HREF "href=\"https?://(([A-Za-z0-9]+[.])+)([+]|[a-z]+)"
#define RE_N_MATCHES 4
/* The usual suspects */
gnutls_x509_privkey_t key;
};
+#define MAX_PEM_SIZE (10 * 1024)
/**
* Structure for GNS certificates
struct ProxyGNSCertificate
{
/* The certificate as PEM */
- char cert[10 * 1024];
+ char cert[MAX_PEM_SIZE];
/* The private key as PEM */
- char key[10 * 1024];
+ char key[MAX_PEM_SIZE];
};
int cleanup_sock;
};
+/**
+ * DLL for Network Handles
+ */
+struct NetworkHandleList
+{
+ /*DLL*/
+ struct NetworkHandleList *next;
+
+ /*DLL*/
+ struct NetworkHandleList *prev;
+
+ /* The handle */
+ struct GNUNET_NETWORK_Handle *h;
+};
/**
* A structure for all running Httpds
/* The task ID */
GNUNET_SCHEDULER_TaskIdentifier httpd_task;
+
+ /* Handles associated with this daemon */
+ struct NetworkHandleList *socket_handles_head;
+
+ /* Handles associated with this daemon */
+ struct NetworkHandleList *socket_handles_tail;
};
/**
/* Optional resolver replacements for curl (LEHO) */
struct curl_slist *resolver;
+ /* curl response code */
+ long curl_response_code;
+
/* The URL to fetch */
- char url[2048];
+ char url[MAX_HTTP_URI_LENGTH];
/* The cURL write buffer / MHD read buffer */
- char buffer[CURL_MAX_WRITE_SIZE];
+ char buffer[CURL_MAX_WRITE_SIZE + CURL_BUF_PADDING];
- /* The pointer to the data in the buffer */
- char *buffer_ptr;
+ /* Read pos of the data in the buffer */
+ char *buffer_read_ptr;
- /* The buffer status (BUF_WAIT_FOR_CURL or BUF_WAIT_FOR_MHD) */
- int buf_status;
+ /* Write pos in the buffer */
+ char *buffer_write_ptr;
+
+ /* connection */
+ struct MHD_Connection *connection;
+
+ /*put*/
+ size_t put_read_offset;
+ size_t put_read_size;
+
+ /*post*/
+ struct MHD_PostProcessor *post_handler;
+
+ /* post data */
+ struct ProxyUploadData *upload_data_head;
+ struct ProxyUploadData *upload_data_tail;
+
+ /* the type of POST encoding */
+ char* post_type;
+
+ struct curl_httppost *httppost;
+
+ struct curl_httppost *httppost_last;
/* Number of bytes in buffer */
unsigned int bytes_in_buffer;
+ /* PP task */
+ GNUNET_SCHEDULER_TaskIdentifier pp_task;
+
+ /* PP match list */
+ struct ProxyREMatch *pp_match_head;
+
+ /* PP match list */
+ struct ProxyREMatch *pp_match_tail;
+
+ /* The associated daemon list entry */
+ struct MhdHttpList *mhd;
+
+ /* The associated response */
+ struct MHD_Response *response;
+
+ /* Cookies to set */
+ struct ProxySetCookieHeader *set_cookies_head;
+
+ /* Cookies to set */
+ struct ProxySetCookieHeader *set_cookies_tail;
+
+ /* The authority of the corresponding host (site of origin) */
+ char authority[256];
+
+ /* The hostname (Host header field) */
+ char host[256];
+
+ /* The LEgacy HOstname (can be empty) */
+ char leho[256];
+
+ /* The port */
+ uint16_t port;
+
+ /* The buffer status (BUF_WAIT_FOR_CURL or BUF_WAIT_FOR_MHD) */
+ enum BufferStatus buf_status;
+
+ /* connection status */
+ int ready_to_queue;
+
+ /* is curl running? */
+ int curl_running;
+
+ /* are we done */
+ int fin;
+
+ /* Already accepted */
+ int accepted;
+
/* Indicates wheather the download is in progress */
int download_in_progress;
/* Indicates wheather the download was successful */
- int download_successful;
+ int download_is_finished;
/* Indicates wheather the download failed */
int download_error;
/* Indicates wheather postprocessing has finished */
int pp_finished;
- /* Task ID of the postprocessing task */
- GNUNET_SCHEDULER_TaskIdentifier pp_task;
+ int post_done;
- /* The postprocessing buffer TODO length? */
- char pp_buf[256];
+ int is_httppost;
+
+};
- /* The authority of the corresponding host (site of origin) */
- char authority[256];
+/**
+ * Struct for RE matches in postprocessing of HTML
+ */
+struct ProxyREMatch
+{
+ /* DLL */
+ struct ProxyREMatch *next;
- /* The hostname (Host header field) */
- char host[256];
+ /* DLL */
+ struct ProxyREMatch *prev;
- /* The LEgacy HOstname (can be empty) */
- char leho[256];
+ /* start of match in buffer */
+ char* start;
- /* The associated daemon list entry */
- struct MhdHttpList *mhd;
+ /* end of match in buffer */
+ char* end;
+
+ /* associated proxycurltask */
+ struct ProxyCurlTask *ctask;
+
+ /* hostname found */
+ char hostname[255];
+
+ /* PP result */
+ char result[255];
+
+ /* shorten task */
+ struct GNUNET_GNS_ShortenRequest *shorten_task;
+
+ /* are we done */
+ int done;
+
+ /* is SSL */
+ int is_ssl;
+
+};
+
+/**
+ * Struct for set-cookies
+ */
+struct ProxySetCookieHeader
+{
+ /* DLL */
+ struct ProxySetCookieHeader *next;
+
+ /* DLL */
+ struct ProxySetCookieHeader *prev;
+
+ /* the cookie */
+ char *cookie;
+};
+
+/**
+ * Post data structure
+ */
+struct ProxyUploadData
+{
+ /* DLL */
+ struct ProxyUploadData *next;
+
+ /* DLL */
+ struct ProxyUploadData *prev;
+
+ char *key;
+
+ char *filename;
+
+ char *content_type;
+
+ size_t content_length;
+ /* value */
+ char *value;
+
+ /* to copy */
+ size_t bytes_left;
+
+ /* size */
+ size_t total_bytes;
};
+
/* The port the proxy is running on (default 7777) */
static unsigned long port = GNUNET_GNS_PROXY_PORT;
static struct GNUNET_NETWORK_Handle *lsock;
/* The listen task ID */
-GNUNET_SCHEDULER_TaskIdentifier ltask;
+static GNUNET_SCHEDULER_TaskIdentifier ltask;
/* The cURL download task */
-GNUNET_SCHEDULER_TaskIdentifier curl_download_task;
+static GNUNET_SCHEDULER_TaskIdentifier curl_download_task;
/* The non SSL httpd daemon handle */
static struct MHD_Daemon *httpd;
static regex_t re_dotplus;
/* The users local GNS zone hash */
-static struct GNUNET_CRYPTO_ShortHashCode local_gns_zone;
+static struct GNUNET_CRYPTO_ShortHashCode *local_gns_zone;
-/* The users local shorten zone hash */
-static struct GNUNET_CRYPTO_ShortHashCode local_shorten_zone;
+/* The users local private zone */
+static struct GNUNET_CRYPTO_ShortHashCode *local_private_zone;
+
+/* The users local shorten zone */
+static struct GNUNET_CRYPTO_ShortHashCode *local_shorten_zone;
/* The CA for SSL certificate generation */
static struct ProxyCA proxy_ca;
/* UNIX domain socket for mhd */
-struct GNUNET_NETWORK_Handle *mhd_unix_socket;
+#if !HAVE_MHD_NO_LISTEN_SOCKET
+static struct GNUNET_NETWORK_Handle *mhd_unix_socket;
+#endif
+
+/* Shorten zone private key */
+static struct GNUNET_CRYPTO_RsaPrivateKey *shorten_zonekey;
-/* Shorten names? */
-int use_shorten;
/**
* Checks if name is in tld
*
- * @param name the name to check
- * @param tld the TLD to check for
+ * @param name the name to check
+ * @param tld the TLD to check for (must NOT begin with ".")
* @return GNUNET_YES or GNUNET_NO
*/
-int
-is_tld(const char* name, const char* tld)
+static int
+is_tld (const char* name, const char* tld)
+{
+ size_t name_len = strlen (name);
+ size_t tld_len = strlen (tld);
+
+ GNUNET_break ('.' != tld[0]);
+ return ( (tld_len < name_len) &&
+ ( ('.' == name[name_len - tld_len - 1]) || (name_len == tld_len) ) &&
+ (0 == memcmp (tld,
+ name + (name_len - tld_len),
+ tld_len)) );
+}
+
+
+static int
+con_post_data_iter (void *cls,
+ enum MHD_ValueKind kind,
+ const char *key,
+ const char *filename,
+ const char *content_type,
+ const char *transfer_encoding,
+ const char *data,
+ uint64_t off,
+ size_t size)
{
- int offset = 0;
+ struct ProxyCurlTask* ctask = cls;
+ struct ProxyUploadData* pdata;
+ char* enc;
+ char* new_value;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Got POST data (file: %s, content type: %s): '%s=%.*s' at offset %llu size %llu\n",
+ filename, content_type,
+ key, (int) size, data,
+ (unsigned long long) off,
+ (unsigned long long) size);
+ GNUNET_assert (NULL != ctask->post_type);
+
+ if (0 == strcasecmp (MHD_HTTP_POST_ENCODING_MULTIPART_FORMDATA,
+ ctask->post_type))
+ {
+ ctask->is_httppost = GNUNET_YES;
+ /* new part */
+ if (0 == off)
+ {
+ pdata = GNUNET_malloc (sizeof (struct ProxyUploadData));
+ pdata->key = GNUNET_strdup (key);
+
+ if (NULL != filename)
+ pdata->filename = GNUNET_strdup (filename);
+ if (NULL != content_type)
+ pdata->content_type = GNUNET_strdup (content_type);
+ pdata->value = GNUNET_malloc (size);
+ pdata->total_bytes = size;
+ memcpy (pdata->value, data, size);
+ GNUNET_CONTAINER_DLL_insert_tail (ctask->upload_data_head,
+ ctask->upload_data_tail,
+ pdata);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Copied %llu bytes of POST Data\n",
+ (unsigned long long) size);
+ return MHD_YES;
+ }
+
+ pdata = ctask->upload_data_tail;
+ new_value = GNUNET_malloc (size + pdata->total_bytes);
+ memcpy (new_value, pdata->value, pdata->total_bytes);
+ memcpy (new_value+off, data, size);
+ GNUNET_free (pdata->value);
+ pdata->value = new_value;
+ pdata->total_bytes += size;
- if (strlen(name) <= strlen(tld))
+ return MHD_YES;
+ }
+
+ if (0 != strcasecmp (MHD_HTTP_POST_ENCODING_FORM_URLENCODED,
+ ctask->post_type))
{
- return GNUNET_NO;
+ return MHD_NO;
}
- offset = strlen(name)-strlen(tld);
- if (strcmp (name+offset, tld) != 0)
+ ctask->is_httppost = GNUNET_NO;
+
+ if (NULL != ctask->curl)
+ curl_easy_pause (ctask->curl, CURLPAUSE_CONT);
+
+ if (0 == off)
{
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
- "%s is not in .%s TLD\n", name, tld);
- return GNUNET_NO;
+ enc = curl_easy_escape (ctask->curl, key, 0);
+ if (NULL == enc)
+ {
+ GNUNET_break (0);
+ return MHD_NO;
+ }
+ /* a key */
+ pdata = GNUNET_malloc (sizeof (struct ProxyUploadData));
+ pdata->value = GNUNET_malloc (strlen (enc) + 3);
+ if (NULL != ctask->upload_data_head)
+ {
+ pdata->value[0] = '&';
+ memcpy (pdata->value+1, enc, strlen (enc));
+ }
+ else
+ memcpy (pdata->value, enc, strlen (enc));
+ pdata->value[strlen (pdata->value)] = '=';
+ pdata->bytes_left = strlen (pdata->value);
+ pdata->total_bytes = pdata->bytes_left;
+ curl_free (enc);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Escaped POST key: '%s'\n",
+ pdata->value);
+
+ GNUNET_CONTAINER_DLL_insert_tail (ctask->upload_data_head,
+ ctask->upload_data_tail,
+ pdata);
}
- return GNUNET_YES;
+ /* a value */
+ enc = curl_easy_escape (ctask->curl, data, 0);
+ if (NULL == enc)
+ {
+ GNUNET_break (0);
+ return MHD_NO;
+ }
+ pdata = GNUNET_malloc (sizeof (struct ProxyUploadData));
+ pdata->value = GNUNET_malloc (strlen (enc) + 1);
+ memcpy (pdata->value, enc, strlen (enc));
+ pdata->bytes_left = strlen (pdata->value);
+ pdata->total_bytes = pdata->bytes_left;
+ curl_free (enc);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Escaped POST value: '%s'\n",
+ pdata->value);
+
+ GNUNET_CONTAINER_DLL_insert_tail (ctask->upload_data_head,
+ ctask->upload_data_tail,
+ pdata);
+ return MHD_YES;
}
const char *key,
const char *value)
{
- char* buf = (char*)cls;
+ struct ProxyCurlTask *ctask = cls;
+ char* buf = ctask->host;
+ char* port;
+ char* cstr;
+ const char* hdr_val;
+ unsigned int uport;
if (0 == strcmp ("Host", key))
{
- strcpy (buf, value);
- return MHD_NO;
+ port = strchr (value, ':');
+ if (NULL != port)
+ {
+ strncpy (buf, value, port-value);
+ port++;
+ if ((1 != sscanf (port, "%u", &uport)) ||
+ (uport > UINT16_MAX) ||
+ (0 == uport))
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Unable to parse port!\n");
+ else
+ ctask->port = (uint16_t) uport;
+ }
+ else
+ strcpy (buf, value);
+ return MHD_YES;
+ }
+
+ if (0 == strcmp (MHD_HTTP_HEADER_ACCEPT_ENCODING, key))
+ hdr_val = "";
+ else
+ hdr_val = value;
+
+ if (0 == strcasecmp (MHD_HTTP_HEADER_CONTENT_TYPE,
+ key))
+ {
+ if (0 == strncasecmp (value,
+ MHD_HTTP_POST_ENCODING_FORM_URLENCODED,
+ strlen (MHD_HTTP_POST_ENCODING_FORM_URLENCODED)))
+ ctask->post_type = MHD_HTTP_POST_ENCODING_FORM_URLENCODED;
+ else if (0 == strncasecmp (value,
+ MHD_HTTP_POST_ENCODING_MULTIPART_FORMDATA,
+ strlen (MHD_HTTP_POST_ENCODING_MULTIPART_FORMDATA)))
+ ctask->post_type = MHD_HTTP_POST_ENCODING_MULTIPART_FORMDATA;
+ else
+ ctask->post_type = NULL;
+
}
+
+ cstr = GNUNET_malloc (strlen (key) + strlen (hdr_val) + 3);
+ GNUNET_snprintf (cstr, strlen (key) + strlen (hdr_val) + 3,
+ "%s: %s", key, hdr_val);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Client Header: %s\n", cstr);
+
+ ctask->headers = curl_slist_append (ctask->headers, cstr);
+ GNUNET_free (cstr);
+
return MHD_YES;
}
+/**
+ * Callback for MHD response
+ *
+ * @param cls closure
+ * @param pos in buffer
+ * @param buf buffer
+ * @param max space in buffer
+ * @return number of bytes written
+ */
+static ssize_t
+mhd_content_cb (void *cls,
+ uint64_t pos,
+ char* buf,
+ size_t max);
+
+
/**
* Check HTTP response header for mime
*
{
size_t bytes = size * nmemb;
struct ProxyCurlTask *ctask = cls;
- char hdr[bytes+1];
-
- memcpy (hdr, buffer, bytes);
- hdr[bytes] = '\0';
-
- if (0 == strcmp (hdr, HTML_HDR_CONTENT))
+ int html_mime_len = strlen (HTML_HDR_CONTENT);
+ int cookie_hdr_len = strlen (MHD_HTTP_HEADER_SET_COOKIE);
+ char hdr_mime[html_mime_len+1];
+ char hdr_generic[bytes+1];
+ char new_cookie_hdr[bytes+strlen (ctask->leho)+1];
+ char new_location[MAX_HTTP_URI_LENGTH+500];
+ char real_host[264];
+ char leho_host[264];
+ char* ndup;
+ char* tok;
+ char* cookie_domain;
+ char* hdr_type;
+ char* hdr_val;
+ int delta_cdomain;
+ size_t offset = 0;
+ char cors_hdr[strlen (ctask->leho) + strlen ("https://")];
+
+ if (NULL == ctask->response)
{
+ /* FIXME: get total size from curl (if available) */
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Got HTML HTTP response header\n");
- ctask->parse_content = GNUNET_YES;
- }
+ "Creating response for %s\n", ctask->url);
+ ctask->response = MHD_create_response_from_callback (MHD_SIZE_UNKNOWN,
+ sizeof (ctask->buffer),
+ &mhd_content_cb,
+ ctask,
+ NULL);
+
+ /* if we have a leho add a CORS header */
+ if (0 != strcmp ("", ctask->leho))
+ {
+ /* We could also allow ssl and http here */
+ if (ctask->mhd->is_ssl)
+ sprintf (cors_hdr, "https://%s", ctask->leho);
+ else
+ sprintf (cors_hdr, "http://%s", ctask->leho);
- return bytes;
-}
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "MHD: Adding CORS header field %s\n",
+ cors_hdr);
-/**
- * schedule mhd
- *
- * @param hd a http daemon list entry
- */
-static void
-run_httpd (struct MhdHttpList *hd);
+ if (GNUNET_NO == MHD_add_response_header (ctask->response,
+ "Access-Control-Allow-Origin",
+ cors_hdr))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "MHD: Error adding CORS header field %s\n",
+ cors_hdr);
+ }
+ }
+ ctask->ready_to_queue = GNUNET_YES;
+ }
+
+ if (html_mime_len <= bytes)
+ {
+ memcpy (hdr_mime, buffer, html_mime_len);
+ hdr_mime[html_mime_len] = '\0';
+ if (0 == strcmp (hdr_mime, HTML_HDR_CONTENT))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Got HTML HTTP response header\n");
+ ctask->parse_content = GNUNET_YES;
+ }
+ }
-/**
- * schedule all mhds
- *
- */
-static void
-run_httpds (void);
+ if (cookie_hdr_len > bytes)
+ return bytes;
+ memcpy (hdr_generic, buffer, bytes);
+ hdr_generic[bytes] = '\0';
+ /* remove crlf */
+ if ('\n' == hdr_generic[bytes-1])
+ hdr_generic[bytes-1] = '\0';
-/**
- * Task that simply runs MHD main loop
- *
- * @param cls NULL
- * @param tc task context
- */
-static void
-run_mhd (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
+ if (hdr_generic[bytes-2] == '\r')
+ hdr_generic[bytes-2] = '\0';
+
+ if (0 == memcmp (hdr_generic,
+ MHD_HTTP_HEADER_SET_COOKIE,
+ cookie_hdr_len))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Looking for cookie in: `%s'\n", hdr_generic);
+ ndup = GNUNET_strdup (hdr_generic+cookie_hdr_len+1);
+ memset (new_cookie_hdr, 0, sizeof (new_cookie_hdr));
+ for (tok = strtok (ndup, ";"); tok != NULL; tok = strtok (NULL, ";"))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Got Cookie token: %s\n", tok);
+ //memcpy (new_cookie_hdr+offset, tok, strlen (tok));
+ if (0 == memcmp (tok, " domain", strlen (" domain")))
+ {
+ cookie_domain = tok + strlen (" domain") + 1;
- struct MhdHttpList *hd = cls;
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Got Set-Cookie Domain: %s\n", cookie_domain);
- //for (hd=mhd_httpd_head; hd != NULL; hd = hd->next)
- MHD_run (hd->daemon);
-}
+ if (strlen (cookie_domain) < strlen (ctask->leho))
+ {
+ delta_cdomain = strlen (ctask->leho) - strlen (cookie_domain);
+ if (0 == strcmp (cookie_domain, ctask->leho + (delta_cdomain)))
+ {
+ GNUNET_snprintf (new_cookie_hdr+offset,
+ sizeof (new_cookie_hdr),
+ " domain=%s", ctask->authority);
+ offset += strlen (" domain=") + strlen (ctask->authority);
+ new_cookie_hdr[offset] = ';';
+ offset++;
+ continue;
+ }
+ }
+ else if (strlen (cookie_domain) == strlen (ctask->leho))
+ {
+ if (0 == strcmp (cookie_domain, ctask->leho))
+ {
+ GNUNET_snprintf (new_cookie_hdr+offset,
+ sizeof (new_cookie_hdr),
+ " domain=%s", ctask->host);
+ offset += strlen (" domain=") + strlen (ctask->host);
+ new_cookie_hdr[offset] = ';';
+ offset++;
+ continue;
+ }
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Cookie domain invalid\n");
+
+ }
+ memcpy (new_cookie_hdr+offset, tok, strlen (tok));
+ offset += strlen (tok);
+ new_cookie_hdr[offset] = ';';
+ offset++;
+ }
+
+ GNUNET_free (ndup);
-/**
- * Process cURL download bits
- *
- * @param ptr buffer with data
- * @param size size of a record
- * @param nmemb number of records downloaded
- * @param ctx context
- * @return number of processed bytes
- */
-static size_t
-callback_download (void *ptr, size_t size, size_t nmemb, void *ctx)
-{
- const char *cbuf = ptr;
- size_t total;
- struct ProxyCurlTask *ctask = ctx;
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Got Set-Cookie HTTP header %s\n", new_cookie_hdr);
- //MHD_run (httpd);
+ if (GNUNET_NO == MHD_add_response_header (ctask->response,
+ MHD_HTTP_HEADER_SET_COOKIE,
+ new_cookie_hdr))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "MHD: Error adding set-cookie header field %s\n",
+ hdr_generic+cookie_hdr_len+1);
+ }
+ return bytes;
+ }
- total = size*nmemb;
+ ndup = GNUNET_strdup (hdr_generic);
+ hdr_type = strtok (ndup, ":");
- if (total == 0)
+ if (NULL == hdr_type)
{
- return total;
+ GNUNET_free (ndup);
+ return bytes;
}
- if (total > sizeof (ctask->buffer))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "CURL gave us too much data to handle (%d)!\n",
- total);
- return 0;
- }
-
- if (ctask->buf_status == BUF_WAIT_FOR_MHD)
+ hdr_val = strtok (NULL, "");
+
+ if (NULL == hdr_val)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "CURL: Waiting for MHD (%s)\n", ctask->url);
- return CURL_WRITEFUNC_PAUSE;
+ GNUNET_free (ndup);
+ return bytes;
}
+ hdr_val++;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "CURL: Copying to MHD (%s, %d)\n", ctask->url, total);
- memcpy (ctask->buffer, cbuf, total);
- ctask->bytes_in_buffer = total;
- ctask->buffer_ptr = ctask->buffer;
+ if (0 == strcasecmp (MHD_HTTP_HEADER_LOCATION, hdr_type))
+ {
+ if (ctask->mhd->is_ssl)
+ {
+ sprintf (leho_host, "https://%s", ctask->leho);
+ sprintf (real_host, "https://%s", ctask->host);
+ }
+ else
+ {
+ sprintf (leho_host, "http://%s", ctask->leho);
+ sprintf (real_host, "http://%s", ctask->host);
+ }
- ctask->buf_status = BUF_WAIT_FOR_MHD;
+ if (0 == memcmp (leho_host, hdr_val, strlen (leho_host)))
+ {
+ sprintf (new_location, "%s%s", real_host, hdr_val+strlen (leho_host));
+ hdr_val = new_location;
+ }
+ }
- //GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- // "cURL chunk:\n%s\n", (char*)ctask->buffer);
- //run_mhd (NULL, NULL);
- GNUNET_SCHEDULER_add_now (&run_mhd, ctask->mhd);
- return total;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Trying to set %s: %s\n",
+ hdr_type,
+ hdr_val);
+ if (GNUNET_NO == MHD_add_response_header (ctask->response,
+ hdr_type,
+ hdr_val))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "MHD: Error adding %s header field %s\n",
+ hdr_type,
+ hdr_val);
+ }
+ GNUNET_free (ndup);
+ return bytes;
}
-
/**
- * Callback to free content
+ * schedule mhd
*
- * @param cls content to free
+ * @param hd a http daemon list entry
*/
static void
-mhd_content_free (void *cls)
-{
- struct ProxyCurlTask *ctask = cls;
-
- if (NULL != ctask->headers)
- curl_slist_free_all (ctask->headers);
-
- if (NULL != ctask->curl)
- curl_easy_cleanup (ctask->curl);
-
- ctask->curl = NULL;
+run_httpd (struct MhdHttpList *hd);
- GNUNET_free (ctask);
-}
+/**
+ * schedule all mhds
+ *
+ */
+static void
+run_httpds (void);
/**
- * Shorten result callback
+ * Task run whenever HTTP server operations are pending.
*
- * @param cls the proxycurltask
- * @param short_name the shortened name (NULL on error)
+ * @param cls unused
+ * @param tc sched context
*/
static void
-process_shorten (void* cls, const char* short_name)
-{
- struct ProxyCurlTask *ctask = cls;
+do_httpd (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc);
- char tmp[strlen(ctask->pp_buf)]; //TODO length
- if (NULL == short_name)
+static void
+run_mhd_now (struct MhdHttpList *hd)
+{
+ if (GNUNET_SCHEDULER_NO_TASK != hd->httpd_task)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "MHD PP: Unable to shorten %s\n",
- ctask->pp_buf);
- return;
+ "MHD: killing old task\n");
+ GNUNET_SCHEDULER_cancel (hd->httpd_task);
}
-
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "MHD PP: Shorten %s -> %s\n",
- ctask->pp_buf,
- short_name);
-
- sprintf (tmp, "<a href=\"http://%s", short_name);
- strcpy (ctask->pp_buf, tmp);
+ "MHD: Scheduling MHD now\n");
+ hd->httpd_task = GNUNET_SCHEDULER_add_now (&do_httpd, hd);
+}
- ctask->pp_finished = GNUNET_YES;
- GNUNET_SCHEDULER_add_now (&run_mhd, ctask->mhd);
-}
+/**
+ * Ask cURL for the select sets and schedule download
+ */
+static void
+curl_download_prepare (void);
/**
- * Postprocessing task that uses GNS to shorten names
- *
- * @param cls the proxycurltask
- * @param tc the task context
+ * Callback to free content
*
+ * @param cls content to free
+ * @param tc task context
+ */
static void
-postprocess_name (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+mhd_content_free (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct ProxyCurlTask *ctask = cls;
- char tmp[strlen(ctask->pp_buf)];
+ struct ProxyUploadData *pdata;
+
+ GNUNET_assert (NULL == ctask->pp_match_head);
+ if (NULL != ctask->headers)
+ curl_slist_free_all (ctask->headers);
+
+ if (NULL != ctask->headers)
+ curl_slist_free_all (ctask->resolver);
+
+ if (NULL != ctask->response)
+ MHD_destroy_response (ctask->response);
- sprintf ( tmp, "%s%s", ctask->pp_buf, ctask->authority);
+ if (NULL != ctask->post_handler)
+ MHD_destroy_post_processor (ctask->post_handler);
- GNUNET_GNS_shorten (gns_handle,
- tmp,
- &process_shorten,
- ctask);
+ if (GNUNET_SCHEDULER_NO_TASK != ctask->pp_task)
+ GNUNET_SCHEDULER_cancel (ctask->pp_task);
+ for (pdata = ctask->upload_data_head; NULL != pdata; pdata = ctask->upload_data_head)
+ {
+ GNUNET_CONTAINER_DLL_remove (ctask->upload_data_head,
+ ctask->upload_data_tail,
+ pdata);
+ GNUNET_free_non_null (pdata->filename);
+ GNUNET_free_non_null (pdata->content_type);
+ GNUNET_free_non_null (pdata->key);
+ GNUNET_free_non_null (pdata->value);
+ GNUNET_free (pdata);
+ }
+ GNUNET_free (ctask);
}
-*/
+
/**
* Callback for MHD response
* @param pos in buffer
* @param buf buffer
* @param max space in buffer
+ * @return number of bytes written
*/
static ssize_t
mhd_content_cb (void *cls,
size_t max)
{
struct ProxyCurlTask *ctask = cls;
+ struct ProxyREMatch *re_match;
ssize_t copied = 0;
- size_t bytes_to_copy;
- int nomatch;
- char *hostptr;
- regmatch_t m[RE_N_MATCHES];
+ size_t bytes_to_copy = ctask->buffer_write_ptr - ctask->buffer_read_ptr;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "MHD: content cb\n");
-
- if (ctask->download_successful &&
- (ctask->buf_status == BUF_WAIT_FOR_CURL))
+ "MHD: content cb for %s. To copy: %u\n",
+ ctask->url, (unsigned int) bytes_to_copy);
+ if ((GNUNET_YES == ctask->download_is_finished) &&
+ (GNUNET_NO == ctask->download_error) &&
+ (0 == bytes_to_copy))
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"MHD: sending response for %s\n", ctask->url);
ctask->download_in_progress = GNUNET_NO;
- curl_multi_remove_handle (curl_multi, ctask->curl);
- curl_easy_cleanup (ctask->curl);
- GNUNET_SCHEDULER_add_now (&run_mhd, ctask->mhd);
+ run_mhd_now (ctask->mhd);
+ GNUNET_SCHEDULER_add_now (&mhd_content_free, ctask);
total_mhd_connections--;
return MHD_CONTENT_READER_END_OF_STREAM;
}
- if (ctask->download_error &&
- (ctask->buf_status == BUF_WAIT_FOR_CURL))
+ if ((GNUNET_YES == ctask->download_error) &&
+ (GNUNET_YES == ctask->download_is_finished) &&
+ (0 == bytes_to_copy))
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"MHD: sending error response\n");
ctask->download_in_progress = GNUNET_NO;
- curl_multi_remove_handle (curl_multi, ctask->curl);
- curl_easy_cleanup (ctask->curl);
- GNUNET_SCHEDULER_add_now (&run_mhd, ctask->mhd);
+ run_mhd_now (ctask->mhd);
+ GNUNET_SCHEDULER_add_now (&mhd_content_free, ctask);
total_mhd_connections--;
return MHD_CONTENT_READER_END_WITH_ERROR;
}
if ( ctask->buf_status == BUF_WAIT_FOR_CURL )
return 0;
-
- bytes_to_copy = ctask->bytes_in_buffer;
- if (ctask->parse_content == GNUNET_YES)
+ copied = 0;
+ for (re_match = ctask->pp_match_head; NULL != re_match; re_match = ctask->pp_match_head)
{
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "MHD: Processing PP %s\n",
+ re_match->hostname);
+ bytes_to_copy = re_match->start - ctask->buffer_read_ptr;
+ if (bytes_to_copy+copied > max)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "MHD: buffer in response too small for %u. Using available space (%d). (%s)\n",
+ (unsigned int) bytes_to_copy,
+ max,
+ ctask->url);
+ memcpy (buf+copied, ctask->buffer_read_ptr, max-copied);
+ ctask->buffer_read_ptr += max-copied;
+ copied = max;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "MHD: copied %d bytes\n", (int) copied);
+ return copied;
+ }
- GNUNET_log ( GNUNET_ERROR_TYPE_DEBUG,
- "MHD: We need to parse the HTML %s\n", ctask->buffer_ptr);
-
- nomatch = regexec ( &re_dotplus, ctask->buffer_ptr, RE_N_MATCHES, m, 0);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "MHD: copying %u bytes to mhd response at offset %d\n",
+ (unsigned int) bytes_to_copy, ctask->buffer_read_ptr);
+ memcpy (buf+copied, ctask->buffer_read_ptr, bytes_to_copy);
+ copied += bytes_to_copy;
- if (nomatch)
+ if (GNUNET_NO == re_match->done)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "MHD RE: No match\n");
+ "MHD: Waiting for PP of %s\n", re_match->hostname);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "MHD: copied %d bytes\n", (int) copied);
+ ctask->buffer_read_ptr += bytes_to_copy;
+ return copied;
}
- else
+
+ if (strlen (re_match->result) > (max - copied))
{
+ //FIXME partially copy domain here
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "MHD RE: Match\n");
-
- GNUNET_assert (m[1].rm_so != -1);
+ "MHD: buffer in response too small for %s! (%s)\n",
+ re_match->result,
+ ctask->url);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "MHD: copied %d bytes\n", (int) copied);
+ ctask->buffer_read_ptr += bytes_to_copy;
+ return copied;
+ }
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "MHD: Adding PP result %s to buffer\n",
+ re_match->result);
+ memcpy (buf + copied, re_match->result, strlen (re_match->result));
+ copied += strlen (re_match->result);
+ ctask->buffer_read_ptr = re_match->end;
+ GNUNET_CONTAINER_DLL_remove (ctask->pp_match_head,
+ ctask->pp_match_tail,
+ re_match);
+ GNUNET_free (re_match);
+ }
- hostptr = ctask->buffer_ptr+m[1].rm_so;
+ bytes_to_copy = ctask->buffer_write_ptr - ctask->buffer_read_ptr;
- if (m[0].rm_so > 0)
- {
- bytes_to_copy = m[0].rm_so;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Copying %d bytes.\n", m[0].rm_so);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "MHD: copied: %d left: %u, space left in buf: %d\n",
+ copied,
+ (unsigned int) bytes_to_copy, (int) (max - copied));
+
+ if (GNUNET_NO == ctask->download_is_finished)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "MHD: Purging buffer\n");
+ memmove (ctask->buffer, ctask->buffer_read_ptr, bytes_to_copy);
+ ctask->buffer_read_ptr = ctask->buffer;
+ ctask->buffer_write_ptr = ctask->buffer + bytes_to_copy;
+ ctask->buffer[bytes_to_copy] = '\0';
+ }
+
+ if (bytes_to_copy + copied > max)
+ bytes_to_copy = max - copied;
+ memcpy (buf+copied, ctask->buffer_read_ptr, bytes_to_copy);
+ ctask->buffer_read_ptr += bytes_to_copy;
+ copied += bytes_to_copy;
+ ctask->buf_status = BUF_WAIT_FOR_CURL;
+
+ if (NULL != ctask->curl)
+ curl_easy_pause (ctask->curl, CURLPAUSE_CONT);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "MHD: copied %d bytes\n", (int) copied);
+ run_mhd_now (ctask->mhd);
+ return copied;
+}
- }
- else
- {
- if (ctask->is_postprocessing == GNUNET_YES)
- {
-
- /*Done?*/
- if ( ctask->pp_finished == GNUNET_NO )
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "MHD PP: Waiting for PP of %s\n", ctask->pp_buf);
- return 0;
- }
-
- ctask->is_postprocessing = GNUNET_NO;
- ctask->bytes_in_buffer -= m[0].rm_eo;//(m[1].rm_eo-m[1].rm_so);
- ctask->buffer_ptr += m[0].rm_eo;//(m[1].rm_eo-m[1].rm_so);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Skipping next %d bytes in buffer\n", m[0].rm_eo);
+/**
+ * Shorten result callback
+ *
+ * @param cls the proxycurltask
+ * @param short_name the shortened name (NULL on error)
+ */
+static void
+process_shorten (void* cls, const char* short_name)
+{
+ struct ProxyREMatch *re_match = cls;
+ char result[sizeof (re_match->result)];
+
+ if (NULL == short_name)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "PP: Unable to shorten %s\n",
+ re_match->hostname);
+ GNUNET_CONTAINER_DLL_remove (re_match->ctask->pp_match_head,
+ re_match->ctask->pp_match_tail,
+ re_match);
+ GNUNET_free (re_match);
+ return;
+ }
- GNUNET_SCHEDULER_add_now (&run_mhd, ctask->mhd);
+ if (0 == strcmp (short_name, re_match->ctask->leho))
+ strcpy (result, re_match->ctask->host);
+ else
+ strcpy (result, short_name);
- if ( strlen (ctask->pp_buf) <= max )
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Copying postprocessed %s.\n", ctask->pp_buf);
- memcpy ( buf, ctask->pp_buf, strlen (ctask->pp_buf) );
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Done %s.\n", buf);
- ctask->is_postprocessing = GNUNET_NO;
- return strlen (ctask->pp_buf);
- }
-
- return 0;
- }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "PP: Shorten %s -> %s\n",
+ re_match->hostname,
+ result);
+
+ if (re_match->is_ssl)
+ sprintf (re_match->result, "href=\"https://%s", result);
+ else
+ sprintf (re_match->result, "href=\"http://%s", result);
- memset (ctask->pp_buf, 0, sizeof(ctask->pp_buf));
-
- /* If .+ extend with authority */
- if (*(ctask->buffer_ptr+m[1].rm_eo) == '+')
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Links is .+\n");
- memcpy (ctask->pp_buf, hostptr, (m[1].rm_eo-m[1].rm_so));
- strcpy ( ctask->pp_buf+strlen(ctask->pp_buf),
- ctask->authority);
- }
- /* If .zkey simply copy the name */
- else
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Link is zkey\n");
- memcpy (ctask->pp_buf, hostptr, (m[1].rm_eo-m[1].rm_so + strlen (GNUNET_GNS_TLD_ZKEY)));
- }
+ re_match->done = GNUNET_YES;
+ run_mhd_now (re_match->ctask->mhd);
+}
- ctask->is_postprocessing = GNUNET_YES;
- ctask->pp_finished = GNUNET_NO;
-
- GNUNET_GNS_shorten (gns_handle,
- ctask->pp_buf,
- &process_shorten,
- ctask);
- //postprocess_name(ctask, NULL);
- //ctask->pp_task = GNUNET_SCHEDULER_add_now (&postprocess_name, ctask);
+/**
+ * Postprocess data in buffer. From read ptr to write ptr
+ *
+ * @param cls the curlproxytask
+ * @param tc task context
+ */
+static void
+postprocess_buffer (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct ProxyCurlTask *ctask = cls;
+ struct ProxyREMatch *re_match;
+ char* re_ptr = ctask->buffer_read_ptr;
+ char re_hostname[255];
+ regmatch_t m[RE_N_MATCHES];
- return 0;
- }
- }
- }
+ ctask->pp_task = GNUNET_SCHEDULER_NO_TASK;
- if ( bytes_to_copy > max )
+ if (GNUNET_YES != ctask->parse_content)
{
- GNUNET_log ( GNUNET_ERROR_TYPE_DEBUG,
- "MHD: buffer in response too small! (%s)\n",
- ctask->url);
- memcpy ( buf, ctask->buffer_ptr, max);
- ctask->bytes_in_buffer -= max;
- ctask->buffer_ptr += max;
- copied = max;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "PP: Not parsing content\n");
+ ctask->buf_status = BUF_WAIT_FOR_MHD;
+ run_mhd_now (ctask->mhd);
+ return;
}
- else
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "PP: We need to parse the HTML\n");
+
+ /* 0 means match found */
+ while (0 == regexec (&re_dotplus, re_ptr, RE_N_MATCHES, m, 0))
{
- GNUNET_log ( GNUNET_ERROR_TYPE_DEBUG,
- "MHD: copying %d bytes to mhd response at offset %d\n",
- bytes_to_copy, pos);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "PP: regex match\n");
+
+ GNUNET_assert (m[1].rm_so != -1);
+
+ memset (re_hostname, 0, sizeof (re_hostname));
+ memcpy (re_hostname, re_ptr+m[1].rm_so, (m[3].rm_eo-m[1].rm_so));
+
+
+ re_match = GNUNET_malloc (sizeof (struct ProxyREMatch));
+ re_match->start = re_ptr + m[0].rm_so;
+ re_match->end = re_ptr + m[3].rm_eo;
+ re_match->done = GNUNET_NO;
+ re_match->ctask = ctask;
+
+ if ('s' == *(re_ptr+m[1].rm_so-strlen("://")-1)) //FIXME strcmp
+ re_match->is_ssl = GNUNET_YES;
+ else
+ re_match->is_ssl = GNUNET_NO;
+
+ strcpy (re_match->hostname, re_hostname);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "PP: Got hostname %s\n", re_hostname);
+ re_ptr += m[3].rm_eo;
- memcpy ( buf, ctask->buffer_ptr, bytes_to_copy );
- copied = bytes_to_copy;
- if (bytes_to_copy < ctask->bytes_in_buffer)
+ if (GNUNET_YES == is_tld (re_match->hostname, GNUNET_GNS_TLD_PLUS))
{
- ctask->bytes_in_buffer -= bytes_to_copy;
- ctask->buffer_ptr += bytes_to_copy;
+ re_match->hostname[strlen(re_match->hostname)-1] = '\0';
+ strcpy (re_match->hostname+strlen(re_match->hostname),
+ ctask->authority);
}
- else
+
+ re_match->shorten_task = GNUNET_GNS_shorten_zone (gns_handle,
+ re_match->hostname,
+ local_private_zone,
+ local_shorten_zone,
+ local_gns_zone,
+ &process_shorten,
+ re_match); //FIXME cancel appropriately
+
+ GNUNET_CONTAINER_DLL_insert_tail (ctask->pp_match_head,
+ ctask->pp_match_tail,
+ re_match);
+ }
+
+ ctask->buf_status = BUF_WAIT_FOR_MHD;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "PP: No more matches\n");
+ run_mhd_now (ctask->mhd);
+}
+
+
+/**
+ * Handle data from cURL
+ *
+ * @param ptr pointer to the data
+ * @param size number of blocks of data
+ * @param nmemb blocksize
+ * @param ctx the curlproxytask
+ * @return number of bytes handled
+ */
+static size_t
+curl_download_cb (void *ptr, size_t size, size_t nmemb, void* ctx)
+{
+ const char *cbuf = ptr;
+ size_t total = size * nmemb;
+ struct ProxyCurlTask *ctask = ctx;
+ size_t buf_space = sizeof (ctask->buffer) -
+ (ctask->buffer_write_ptr-ctask->buffer);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "CURL: Got %d. %d free in buffer\n",
+ total, buf_space);
+
+ if (BUF_WAIT_FOR_CURL != ctask->buf_status)
+ return CURL_WRITEFUNC_PAUSE;
+
+ if (total > (buf_space - CURL_BUF_PADDING))
+ {
+ if (ctask->buf_status == BUF_WAIT_FOR_CURL)
{
- ctask->bytes_in_buffer = 0;
- ctask->buf_status = BUF_WAIT_FOR_CURL;
- ctask->buffer_ptr = ctask->buffer;
- curl_easy_pause (ctask->curl, CURLPAUSE_CONT);
- GNUNET_SCHEDULER_add_now (&run_mhd, ctask->mhd);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "CURL: Buffer full starting postprocessing\n");
+ ctask->buf_status = BUF_WAIT_FOR_PP;
+ ctask->pp_task = GNUNET_SCHEDULER_add_now (&postprocess_buffer,
+ ctask);
+ return CURL_WRITEFUNC_PAUSE;
}
+
+ /* we should not get called in that case */
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "CURL: called out of context and no space in buffer!\n");
+ return CURL_WRITEFUNC_PAUSE;
}
- GNUNET_SCHEDULER_add_now (&run_mhd, ctask->mhd);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "CURL: Copying %d bytes to buffer (%s)\n", total, ctask->url);
+ memcpy (ctask->buffer_write_ptr, cbuf, total);
+ ctask->bytes_in_buffer += total;
+ ctask->buffer_write_ptr += total;
+ ctask->buffer_write_ptr[0] = '\0';
- return copied;
+ return total;
+}
+
+
+/**
+ * cURL callback for put data
+ */
+static size_t
+put_read_callback (void *buf, size_t size, size_t nmemb, void *cls)
+{
+ struct ProxyCurlTask *ctask = cls;
+ struct ProxyUploadData *pdata = ctask->upload_data_head;
+ size_t len = size * nmemb;
+ size_t to_copy;
+ char* pos;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "CURL: put read callback\n");
+
+ if (NULL == pdata)
+ return CURL_READFUNC_PAUSE;
+
+ //fin
+ if (NULL == pdata->value)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "CURL: Terminating PUT\n");
+
+ GNUNET_CONTAINER_DLL_remove (ctask->upload_data_head,
+ ctask->upload_data_tail,
+ pdata);
+ GNUNET_free (pdata);
+ return 0;
+ }
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "CURL: read callback value %s\n", pdata->value);
+
+ to_copy = pdata->bytes_left;
+ if (to_copy > len)
+ to_copy = len;
+
+ pos = pdata->value + (pdata->total_bytes - pdata->bytes_left);
+ memcpy (buf, pos, to_copy);
+ pdata->bytes_left -= to_copy;
+ if (pdata->bytes_left <= 0)
+ {
+ GNUNET_free (pdata->value);
+ GNUNET_CONTAINER_DLL_remove (ctask->upload_data_head,
+ ctask->upload_data_tail,
+ pdata);
+ GNUNET_free (pdata);
+ }
+ return to_copy;
}
+/**
+ * cURL callback for post data
+ */
+static size_t
+post_read_callback (void *buf, size_t size, size_t nmemb, void *cls)
+{
+ struct ProxyCurlTask *ctask = cls;
+ struct ProxyUploadData *pdata = ctask->upload_data_head;
+ size_t len = size * nmemb;
+ size_t to_copy;
+ char* pos;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "CURL: read callback\n");
+
+ if (NULL == pdata)
+ return CURL_READFUNC_PAUSE;
+
+ //fin
+ if (NULL == pdata->value)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "CURL: Terminating POST data\n");
+
+ GNUNET_CONTAINER_DLL_remove (ctask->upload_data_head,
+ ctask->upload_data_tail,
+ pdata);
+ GNUNET_free (pdata);
+ return 0;
+ }
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "CURL: read callback value %s\n", pdata->value);
+
+ to_copy = pdata->bytes_left;
+ if (to_copy > len)
+ to_copy = len;
+
+ pos = pdata->value + (pdata->total_bytes - pdata->bytes_left);
+ memcpy (buf, pos, to_copy);
+ pdata->bytes_left -= to_copy;
+ if (pdata->bytes_left <= 0)
+ {
+ GNUNET_free (pdata->value);
+ GNUNET_CONTAINER_DLL_remove (ctask->upload_data_head,
+ ctask->upload_data_tail,
+ pdata);
+ GNUNET_free (pdata);
+ }
+ return to_copy;
+}
+
/**
* Task that is run when we are ready to receive more data
static void
curl_task_download (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+
/**
* Ask cURL for the select sets and schedule download
*/
FD_ZERO (&rs);
FD_ZERO (&ws);
FD_ZERO (&es);
- mret = curl_multi_fdset (curl_multi, &rs, &ws, &es, &max);
-
- if (mret != CURLM_OK)
+ if (CURLM_OK != (mret = curl_multi_fdset (curl_multi, &rs, &ws, &es, &max)))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"%s failed at %s:%d: `%s'\n",
//TODO cleanup here?
return;
}
-
- mret = curl_multi_timeout (curl_multi, &to);
- rtime = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, to);
-
+ to = -1;
+ GNUNET_break (CURLM_OK == curl_multi_timeout (curl_multi, &to));
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "cURL multi fds: max=%d timeout=%llu\n", max, to);
-
+ "cURL multi fds: max=%d timeout=%lld\n", max, (long long) to);
+ if (-1 == to)
+ rtime = GNUNET_TIME_UNIT_FOREVER_REL;
+ else
+ rtime = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, to);
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);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Scheduling task cURL\n");
-
if (curl_download_task != GNUNET_SCHEDULER_NO_TASK)
- GNUNET_SCHEDULER_cancel (curl_download_task);
-
- curl_download_task =
- GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
- rtime,
- grs, gws,
- &curl_task_download, curl_multi);
+ GNUNET_SCHEDULER_cancel (curl_download_task);
+ if (-1 != max)
+ {
+ curl_download_task =
+ GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
+ rtime,
+ grs, gws,
+ &curl_task_download, curl_multi);
+ }
+ else if (NULL != ctasks_head)
+ {
+ /* as specified in curl docs */
+ curl_download_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_MILLISECONDS,
+ &curl_task_download,
+ curl_multi);
+ }
GNUNET_NETWORK_fdset_destroy (gws);
GNUNET_NETWORK_fdset_destroy (grs);
-
}
CURLMcode mret;
struct ProxyCurlTask *ctask;
int num_ctasks;
+ long resp_code;
+ struct ProxyCurlTask *clean_head = NULL;
+ struct ProxyCurlTask *clean_tail = NULL;
curl_download_task = GNUNET_SCHEDULER_NO_TASK;
if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Shutdown requested while trying to download\n");
//TODO cleanup
return;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Running curl tasks: %d\n", running);
- ctask = ctasks_head;
- for (; ctask != NULL; ctask = ctask->next)
+ for (ctask = ctasks_head; NULL != ctask; ctask = ctask->next)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"CTask: %s\n", ctask->url);
do
{
- ctask = ctasks_head;
+
msg = curl_multi_info_read (curl_multi, &msgnum);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Messages left: %d\n", msgnum);
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Download curl failed");
- for (; ctask != NULL; ctask = ctask->next)
+ for (ctask = ctasks_head; NULL != ctask; ctask = ctask->next)
{
+ if (NULL == ctask->curl)
+ continue;
+
if (memcmp (msg->easy_handle, ctask->curl, sizeof (CURL)) != 0)
continue;
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Download curl failed for task %s: %s.\n",
+ "CURL: Download failed for task %s: %s.\n",
ctask->url,
curl_easy_strerror (msg->data.result));
- ctask->download_successful = GNUNET_NO;
+ ctask->download_is_finished = GNUNET_YES;
ctask->download_error = GNUNET_YES;
- //curl_multi_remove_handle (curl_multi, ctask->curl);
- //curl_easy_cleanup (ctask->curl);
+ if (CURLE_OK == curl_easy_getinfo (ctask->curl,
+ CURLINFO_RESPONSE_CODE,
+ &resp_code))
+ ctask->curl_response_code = resp_code;
+ ctask->ready_to_queue = MHD_YES;
+ ctask->buf_status = BUF_WAIT_FOR_MHD;
+ run_mhd_now (ctask->mhd);
+
GNUNET_CONTAINER_DLL_remove (ctasks_head, ctasks_tail,
ctask);
+ GNUNET_CONTAINER_DLL_insert (clean_head, clean_tail, ctask);
break;
}
GNUNET_assert (ctask != NULL);
else
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "cURL download completed.\n");
+ "CURL: download completed.\n");
- for (; ctask != NULL; ctask = ctask->next)
+ for (ctask = ctasks_head; NULL != ctask; ctask = ctask->next)
{
- if (memcmp (msg->easy_handle, ctask->curl, sizeof (CURL)) != 0)
+ if (NULL == ctask->curl)
+ continue;
+
+ if (0 != memcmp (msg->easy_handle, ctask->curl, sizeof (CURL)))
continue;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "cURL task %s found.\n", ctask->url);
- ctask->download_successful = GNUNET_YES;
- //curl_multi_remove_handle (curl_multi, ctask->curl);
- //curl_easy_cleanup (ctask->curl);
+ "CURL: completed task %s found.\n", ctask->url);
+ if (CURLE_OK == curl_easy_getinfo (ctask->curl,
+ CURLINFO_RESPONSE_CODE,
+ &resp_code))
+ ctask->curl_response_code = resp_code;
+
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "CURL: Completed ctask!\n");
+ if (GNUNET_SCHEDULER_NO_TASK == ctask->pp_task)
+ {
+ ctask->buf_status = BUF_WAIT_FOR_PP;
+ ctask->pp_task = GNUNET_SCHEDULER_add_now (&postprocess_buffer,
+ ctask);
+ }
+
+ ctask->ready_to_queue = MHD_YES;
+ ctask->download_is_finished = GNUNET_YES;
+
+ /* We MUST not modify the multi handle else we loose messages */
GNUNET_CONTAINER_DLL_remove (ctasks_head, ctasks_tail,
ctask);
+ GNUNET_CONTAINER_DLL_insert (clean_head, clean_tail, ctask);
+
break;
}
GNUNET_assert (ctask != NULL);
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "curl end %s\n", curl_easy_strerror(msg->data.result));
+ "CURL: %s\n", curl_easy_strerror(msg->data.result));
break;
default:
GNUNET_assert (0);
break;
}
} while (msgnum > 0);
-
- num_ctasks=0;
- for (ctask=ctasks_head; ctask != NULL; ctask = ctask->next)
+
+ for (ctask=clean_head; NULL != ctask; ctask = ctask->next)
{
- num_ctasks++;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "CURL: Removing task %s.\n", ctask->url);
+ curl_multi_remove_handle (curl_multi, ctask->curl);
+ curl_easy_cleanup (ctask->curl);
+ ctask->curl = NULL;
}
+ num_ctasks=0;
+ for (ctask=ctasks_head; NULL != ctask; ctask = ctask->next)
+ num_ctasks++;
+
if (num_ctasks != running)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "%d ctasks, %d curl running\n", num_ctasks, running);
+ "CURL: %d tasks, %d running\n", num_ctasks, running);
}
GNUNET_assert ( num_ctasks == running );
- run_httpds ();
-
} while (mret == CURLM_CALL_MULTI_PERFORM);
-
if (mret != CURLM_OK)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "%s failed at %s:%d: `%s'\n",
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "CURL: %s failed at %s:%d: `%s'\n",
"curl_multi_perform", __FILE__, __LINE__,
curl_multi_strerror (mret));
}
curl_download_prepare();
}
+
/**
* Process LEHO lookup
*
char resolvename[512];
char curlurl[512];
- ctask->headers = NULL;
-
strcpy (ctask->leho, "");
if (rd_count == 0)
if (0 != strcmp (ctask->leho, ""))
{
- sprintf (hosthdr, "%s%s", "Host: ", ctask->leho);
+ sprintf (hosthdr, "%s%s:%d", "Host: ", ctask->leho, ctask->port);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"New HTTP header value: %s\n", hosthdr);
ctask->headers = curl_slist_append (ctask->headers, hosthdr);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"SSL target server: %s\n", ssl_ip);
sprintf (resolvename, "%s:%d:%s", ctask->leho, HTTPS_PORT, ssl_ip);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Curl resolve: %s\n", resolvename);
ctask->resolver = curl_slist_append ( ctask->resolver, resolvename);
curl_easy_setopt (ctask->curl, CURLOPT_RESOLVE, ctask->resolver);
- sprintf (curlurl, "https://%s%s", ctask->leho, ctask->url);
+ sprintf (curlurl, "https://%s:%d%s", ctask->leho, ctask->port, ctask->url);
curl_easy_setopt (ctask->curl, CURLOPT_URL, curlurl);
}
else
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"gethostbyname failed for %s!\n", ctask->host);
- ctask->download_successful = GNUNET_NO;
+ ctask->download_is_finished = GNUNET_YES;
ctask->download_error = GNUNET_YES;
return;
}
"%s failed at %s:%d: `%s'\n",
"curl_multi_add_handle", __FILE__, __LINE__,
curl_multi_strerror (mret));
- ctask->download_successful = GNUNET_NO;
+ ctask->download_is_finished = GNUNET_YES;
ctask->download_error = GNUNET_YES;
return;
}
}
+
/**
* Initialize download and trigger curl
*
GNUNET_GNS_lookup_zone (gns_handle,
ctask->host,
- &local_gns_zone,
- &local_shorten_zone,
+ local_gns_zone,
GNUNET_GNS_RECORD_LEHO,
GNUNET_YES, //Only cached for performance
+ shorten_zonekey,
&process_leho_lookup,
ctask);
}
+
+static void*
+mhd_log_callback (void* cls, const char* url)
+{
+ struct ProxyCurlTask *ctask;
+
+ ctask = GNUNET_malloc (sizeof (struct ProxyCurlTask));
+ strcpy (ctask->url, url);
+ return ctask;
+}
+
+
/**
* Main MHD callback for handling requests.
*
size_t *upload_data_size,
void **con_cls)
{
- static int dummy;
struct MhdHttpList* hd = cls;
- const char* page = "<html><head><title>gnoxy</title>"\
+ const char* page = "<html><head><title>gnunet-gns-proxy</title>"
"</head><body>cURL fail</body></html>";
- struct MHD_Response *response;
- char host[265];
- char curlurl[512];
+
+ char curlurl[MAX_HTTP_URI_LENGTH]; // buffer overflow!
int ret = MHD_YES;
+ int i;
+ struct ProxyCurlTask *ctask = *con_cls;
+ struct ProxyUploadData *fin_post;
+ struct curl_forms forms[5];
+ struct ProxyUploadData *upload_data_iter;
+
+ //FIXME handle
+ if ((0 != strcasecmp (meth, MHD_HTTP_METHOD_GET)) &&
+ (0 != strcasecmp (meth, MHD_HTTP_METHOD_PUT)) &&
+ (0 != strcasecmp (meth, MHD_HTTP_METHOD_POST)) &&
+ (0 != strcasecmp (meth, MHD_HTTP_METHOD_HEAD)))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "MHD: %s NOT IMPLEMENTED!\n", meth);
+ return MHD_NO;
+ }
+
+
+ if (GNUNET_NO == ctask->accepted)
+ {
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Got %s request for %s\n", meth, url);
+ ctask->mhd = hd;
+ ctask->curl = curl_easy_init();
+ ctask->curl_running = GNUNET_NO;
+ if (NULL == ctask->curl)
+ {
+ ctask->response = MHD_create_response_from_buffer (strlen (page),
+ (void*)page,
+ MHD_RESPMEM_PERSISTENT);
+ ret = MHD_queue_response (con,
+ MHD_HTTP_OK,
+ ctask->response);
+ MHD_destroy_response (ctask->response);
+ GNUNET_free (ctask);
+ return ret;
+ }
+
+ if (ctask->mhd->is_ssl)
+ ctask->port = HTTPS_PORT;
+ else
+ ctask->port = HTTP_PORT;
+
+ MHD_get_connection_values (con,
+ MHD_HEADER_KIND,
+ &con_val_iter, ctask);
+
+ curl_easy_setopt (ctask->curl, CURLOPT_HEADERFUNCTION, &curl_check_hdr);
+ curl_easy_setopt (ctask->curl, CURLOPT_HEADERDATA, ctask);
+ curl_easy_setopt (ctask->curl, CURLOPT_WRITEFUNCTION, &curl_download_cb);
+ curl_easy_setopt (ctask->curl, CURLOPT_WRITEDATA, ctask);
+ curl_easy_setopt (ctask->curl, CURLOPT_FOLLOWLOCATION, 0);
+ curl_easy_setopt (ctask->curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
+
+ if (GNUNET_NO == ctask->mhd->is_ssl)
+ {
+ sprintf (curlurl, "http://%s:%d%s", ctask->host, ctask->port, ctask->url);
+ curl_easy_setopt (ctask->curl, CURLOPT_URL, curlurl);
+ }
+
+
+ curl_easy_setopt (ctask->curl, CURLOPT_FAILONERROR, 1);
+ curl_easy_setopt (ctask->curl, CURLOPT_CONNECTTIMEOUT, 600L);
+ curl_easy_setopt (ctask->curl, CURLOPT_TIMEOUT, 600L);
+
+ /* Add GNS header */
+ ctask->headers = curl_slist_append (ctask->headers,
+ "GNS: YES");
+ ctask->accepted = GNUNET_YES;
+ ctask->download_in_progress = GNUNET_YES;
+ ctask->buf_status = BUF_WAIT_FOR_CURL;
+ ctask->connection = con;
+ ctask->curl_response_code = MHD_HTTP_OK;
+ ctask->buffer_read_ptr = ctask->buffer;
+ ctask->buffer_write_ptr = ctask->buffer;
+ ctask->pp_task = GNUNET_SCHEDULER_NO_TASK;
+
+
+ if (0 == strcasecmp (meth, MHD_HTTP_METHOD_PUT))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Setting up PUT\n");
+
+ curl_easy_setopt (ctask->curl, CURLOPT_UPLOAD, 1);
+ curl_easy_setopt (ctask->curl, CURLOPT_READDATA, ctask);
+ curl_easy_setopt (ctask->curl, CURLOPT_READFUNCTION, &put_read_callback);
+ ctask->headers = curl_slist_append (ctask->headers,
+ "Transfer-Encoding: chunked");
+ }
- struct ProxyCurlTask *ctask;
-
- if (0 != strcmp (meth, "GET"))
- return MHD_NO;
- if (&dummy != *con_cls)
- {
- *con_cls = &dummy;
- return MHD_YES;
- }
+ if (0 == strcasecmp (meth, MHD_HTTP_METHOD_POST))
+ {
+ //FIXME handle multipart
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Setting up POST processor\n");
+ ctask->post_handler = MHD_create_post_processor (con,
+ POSTBUFFERSIZE,
+ &con_post_data_iter,
+ ctask);
+ ctask->headers = curl_slist_append (ctask->headers,
+ "Transfer-Encoding: chunked");
+ return MHD_YES;
+ }
- if (0 != *upload_data_size)
- return MHD_NO;
+ if (0 == strcasecmp (meth, MHD_HTTP_METHOD_HEAD))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Setting NOBODY\n");
+ curl_easy_setopt (ctask->curl, CURLOPT_NOBODY, 1);
+ }
- *con_cls = NULL;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "MHD: Adding new curl task for %s\n", ctask->host);
+
+ GNUNET_GNS_get_authority (gns_handle,
+ ctask->host,
+ &process_get_authority,
+ ctask);
+ ctask->ready_to_queue = GNUNET_NO;
+ ctask->fin = GNUNET_NO;
+ ctask->curl_running = GNUNET_YES;
+ return MHD_YES;
+ }
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "url %s\n", url);
+ ctask = (struct ProxyCurlTask *) *con_cls;
+ if (0 == strcasecmp (meth, MHD_HTTP_METHOD_POST))
+ {
+ if (0 != *upload_data_size)
+ {
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Invoking POST processor\n");
+ MHD_post_process (ctask->post_handler,
+ upload_data, *upload_data_size);
+ *upload_data_size = 0;
+ if ((GNUNET_NO == ctask->is_httppost) &&
+ (GNUNET_NO == ctask->curl_running))
+ {
+ curl_easy_setopt (ctask->curl, CURLOPT_POST, 1);
+ curl_easy_setopt (ctask->curl, CURLOPT_READFUNCTION,
+ &post_read_callback);
+ curl_easy_setopt (ctask->curl, CURLOPT_READDATA, ctask);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "MHD: Adding new curl task for %s\n", ctask->host);
+
+ GNUNET_GNS_get_authority (gns_handle,
+ ctask->host,
+ &process_get_authority,
+ ctask);
+ ctask->ready_to_queue = GNUNET_NO;
+ ctask->fin = GNUNET_NO;
+ ctask->curl_running = GNUNET_YES;
+ }
+ return MHD_YES;
+ }
+ else if (GNUNET_NO == ctask->post_done)
+ {
+ if (GNUNET_YES == ctask->is_httppost)
+ {
+ for (upload_data_iter = ctask->upload_data_head;
+ NULL != upload_data_iter;
+ upload_data_iter = upload_data_iter->next)
+ {
+ i = 0;
+ if (NULL != upload_data_iter->filename)
+ {
+ forms[i].option = CURLFORM_FILENAME;
+ forms[i].value = upload_data_iter->filename;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Adding filename %s\n",
+ forms[i].value);
+ i++;
+ }
+ if (NULL != upload_data_iter->content_type)
+ {
+ forms[i].option = CURLFORM_CONTENTTYPE;
+ forms[i].value = upload_data_iter->content_type;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Adding content type %s\n",
+ forms[i].value);
+ i++;
+ }
+ forms[i].option = CURLFORM_PTRCONTENTS;
+ forms[i].value = upload_data_iter->value;
+ forms[i+1].option = CURLFORM_END;
- MHD_get_connection_values (con,
- MHD_HEADER_KIND,
- &con_val_iter, host);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Adding formdata for %s (len=%lld)\n",
+ upload_data_iter->key,
+ upload_data_iter->total_bytes);
+
+ curl_formadd(&ctask->httppost, &ctask->httppost_last,
+ CURLFORM_COPYNAME, upload_data_iter->key,
+ CURLFORM_CONTENTSLENGTH, upload_data_iter->total_bytes,
+ CURLFORM_ARRAY, forms,
+ CURLFORM_END);
+ }
+ curl_easy_setopt (ctask->curl, CURLOPT_HTTPPOST,
+ ctask->httppost);
-
- /* Do cURL */
- ctask = GNUNET_malloc (sizeof (struct ProxyCurlTask));
- ctask->mhd = hd;
- ctask->curl = curl_easy_init();
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "MHD: Adding new curl task for %s\n", ctask->host);
+
+ GNUNET_GNS_get_authority (gns_handle,
+ ctask->host,
+ &process_get_authority,
+ ctask);
+ ctask->ready_to_queue = GNUNET_YES;
+ ctask->fin = GNUNET_NO;
+ ctask->curl_running = GNUNET_YES;
+ ctask->post_done = GNUNET_YES;
+ return MHD_YES;
+ }
- if (curl_multi == NULL)
- curl_multi = curl_multi_init ();
-
- if ((ctask->curl == NULL) || (curl_multi == NULL))
- {
- response = MHD_create_response_from_buffer (strlen (page),
- (void*)page,
- MHD_RESPMEM_PERSISTENT);
- ret = MHD_queue_response (con,
- MHD_HTTP_OK,
- response);
- MHD_destroy_response (response);
- GNUNET_free (ctask);
- return ret;
+ fin_post = GNUNET_malloc (sizeof (struct ProxyUploadData));
+ GNUNET_CONTAINER_DLL_insert_tail (ctask->upload_data_head,
+ ctask->upload_data_tail,
+ fin_post);
+ ctask->post_done = GNUNET_YES;
+ return MHD_YES;
+ }
}
-
- ctask->download_in_progress = GNUNET_YES;
- ctask->download_successful = GNUNET_NO;
- ctask->buf_status = BUF_WAIT_FOR_CURL;
- ctask->bytes_in_buffer = 0;
- ctask->parse_content = GNUNET_NO;
-
- curl_easy_setopt (ctask->curl, CURLOPT_HEADERFUNCTION, &curl_check_hdr);
- curl_easy_setopt (ctask->curl, CURLOPT_HEADERDATA, ctask);
- curl_easy_setopt (ctask->curl, CURLOPT_WRITEFUNCTION, &callback_download);
- curl_easy_setopt (ctask->curl, CURLOPT_WRITEDATA, ctask);
- curl_easy_setopt (ctask->curl, CURLOPT_FOLLOWLOCATION, 1);
- curl_easy_setopt (ctask->curl, CURLOPT_MAXREDIRS, 4);
- /* no need to abort if the above failed */
- if (GNUNET_NO == ctask->mhd->is_ssl)
- sprintf (curlurl, "http://%s%s", host, url);
- strcpy (ctask->host, host);
- strcpy (ctask->url, url);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Adding new curl task for %s\n", curlurl);
- curl_easy_setopt (ctask->curl, CURLOPT_URL, curlurl);
- curl_easy_setopt (ctask->curl, CURLOPT_FAILONERROR, 1);
- curl_easy_setopt (ctask->curl, CURLOPT_CONNECTTIMEOUT, 600L);
- curl_easy_setopt (ctask->curl, CURLOPT_TIMEOUT, 600L);
-
- GNUNET_GNS_get_authority (gns_handle,
- ctask->host,
- &process_get_authority,
- ctask);
- //download_prepare (ctask);
- //curl_download_prepare ();
-
- response = MHD_create_response_from_callback (-1, -1,
- &mhd_content_cb,
- ctask,
- &mhd_content_free);
+ if (GNUNET_YES != ctask->ready_to_queue)
+ return MHD_YES; /* wait longer */
- ret = MHD_queue_response (con, MHD_HTTP_OK, response);
-
- //MHD_destroy_response (response);
+ if (GNUNET_YES == ctask->fin)
+ return MHD_YES;
+ ctask->fin = GNUNET_YES;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "MHD: Queueing response for %s\n", ctask->url);
+ ret = MHD_queue_response (con, ctask->curl_response_code, ctask->response);
+ run_mhd_now (ctask->mhd);
return ret;
}
-/**
- * Task run whenever HTTP server operations are pending.
- *
- * @param cls unused
- * @param tc sched context
- */
-static void
-do_httpd (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc);
-
/**
* run all httpd
{
struct MhdHttpList *hd;
- for (hd=mhd_httpd_head; hd != NULL; hd = hd->next)
+ for (hd=mhd_httpd_head; NULL != hd; hd = hd->next)
run_httpd (hd);
}
+
+#define UNSIGNED_MHD_LONG_LONG unsigned MHD_LONG_LONG
+
+
/**
* schedule mhd
+ *
+ * @param hd the daemon to run
*/
static void
run_httpd (struct MhdHttpList *hd)
struct GNUNET_NETWORK_FDSet *wes;
int max;
int haveto;
- unsigned MHD_LONG_LONG timeout;
+ UNSIGNED_MHD_LONG_LONG timeout;
struct GNUNET_TIME_Relative tv;
FD_ZERO (&rs);
haveto = MHD_get_timeout (hd->daemon, &timeout);
- if (haveto == MHD_YES)
+ if (MHD_YES == haveto)
tv.rel_value = (uint64_t) timeout;
else
tv = GNUNET_TIME_UNIT_FOREVER_REL;
GNUNET_NETWORK_fdset_copy_native (wws, &ws, max + 1);
GNUNET_NETWORK_fdset_copy_native (wes, &es, max + 1);
- if (hd->httpd_task != GNUNET_SCHEDULER_NO_TASK)
+ if (GNUNET_SCHEDULER_NO_TASK != hd->httpd_task)
GNUNET_SCHEDULER_cancel (hd->httpd_task);
hd->httpd_task =
GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_HIGH,
{
struct MhdHttpList *hd = cls;
- hd->httpd_task = GNUNET_SCHEDULER_NO_TASK;
-
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "MHD: Main loop\n");
+ hd->httpd_task = GNUNET_SCHEDULER_NO_TASK;
MHD_run (hd->daemon);
run_httpd (hd);
}
static void
do_read (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+
/**
* Read from remote end
*
static void
do_read_remote (void* cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+
/**
* Write data to remote socket
*
else
{
GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "write remote");
- //Really!?!?!?
- if (s5r->rtask != GNUNET_SCHEDULER_NO_TASK)
+ if (GNUNET_SCHEDULER_NO_TASK != s5r->rtask)
GNUNET_SCHEDULER_cancel (s5r->rtask);
- if (s5r->wtask != GNUNET_SCHEDULER_NO_TASK)
+ if (GNUNET_SCHEDULER_NO_TASK != s5r->wtask)
GNUNET_SCHEDULER_cancel (s5r->wtask);
- if (s5r->fwdrtask != GNUNET_SCHEDULER_NO_TASK)
+ if (GNUNET_SCHEDULER_NO_TASK != s5r->fwdrtask)
GNUNET_SCHEDULER_cancel (s5r->fwdrtask);
GNUNET_NETWORK_socket_close (s5r->remote_sock);
GNUNET_NETWORK_socket_close (s5r->sock);
static void
cleanup_s5r (struct Socks5Request *s5r)
{
- if (s5r->rtask != GNUNET_SCHEDULER_NO_TASK)
+ if (GNUNET_SCHEDULER_NO_TASK != s5r->rtask)
GNUNET_SCHEDULER_cancel (s5r->rtask);
- if (s5r->fwdwtask != GNUNET_SCHEDULER_NO_TASK)
+ if (GNUNET_SCHEDULER_NO_TASK != s5r->fwdwtask)
GNUNET_SCHEDULER_cancel (s5r->fwdwtask);
- if (s5r->fwdrtask != GNUNET_SCHEDULER_NO_TASK)
- GNUNET_SCHEDULER_cancel (s5r->fwdrtask);
-
+ if (GNUNET_SCHEDULER_NO_TASK != s5r->fwdrtask)
+ GNUNET_SCHEDULER_cancel (s5r->fwdrtask);
if (NULL != s5r->remote_sock)
GNUNET_NETWORK_socket_close (s5r->remote_sock);
if ((NULL != s5r->sock) && (s5r->cleanup_sock == GNUNET_YES))
GNUNET_free(s5r);
}
+
/**
* Write data to socket
*
len);
}
else
- {
-
+ {
GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "write");
s5r->cleanup = GNUNET_YES;
s5r->cleanup_sock = GNUNET_YES;
- cleanup_s5r (s5r);
-
+ cleanup_s5r (s5r);
return;
}
&do_read_remote, s5r);
}
+
/**
* Read from remote end
*
struct Socks5Request *s5r = cls;
s5r->fwdrtask = GNUNET_SCHEDULER_NO_TASK;
-
-
if ((NULL != tc->write_ready) &&
(GNUNET_NETWORK_fdset_isset (tc->read_ready, s5r->remote_sock)) &&
(s5r->wbuf_len = GNUNET_NETWORK_socket_recv (s5r->remote_sock, s5r->wbuf,
}
else
{
- if (s5r->wbuf_len == 0)
+ if (0 == s5r->wbuf_len)
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"0 bytes received from remote... graceful shutdown!\n");
if (s5r->fwdwtask != GNUNET_SCHEDULER_NO_TASK)
s5r->wtask = GNUNET_SCHEDULER_add_write_net (GNUNET_TIME_UNIT_FOREVER_REL,
s5r->sock,
- &do_write, s5r);
-
+ &do_write, s5r);
}
struct sockaddr *addr;
socklen_t len;
- fd = GNUNET_NETWORK_get_fd (h);
+ fd = dup (GNUNET_NETWORK_get_fd (h));
addr = GNUNET_NETWORK_get_addr (h);
len = GNUNET_NETWORK_get_addrlen (h);
}
-static long
-get_file_size (const char* filename)
-{
- FILE *fp;
-
- fp = fopen (filename, "rb");
- if (fp)
- {
- long size;
-
- if ((0 != fseek (fp, 0, SEEK_END)) || (-1 == (size = ftell (fp))))
- size = 0;
-
- fclose (fp);
-
- return size;
- }
-
- return 0;
-}
-
/**
* Read file in filename
*
* @param filename file to read
- * @return data
+ * @param size pointer where filesize is stored
+ * @return NULL on error
*/
-static char*
-load_file (const char* filename)
+static void*
+load_file (const char* filename,
+ unsigned int* size)
{
- FILE *fp;
- char *buffer;
- long size;
-
- size = get_file_size (filename);
- if (size == 0)
- return NULL;
+ void *buffer;
+ uint64_t fsize;
- fp = fopen (filename, "rb");
- if (!fp)
+ if (GNUNET_OK !=
+ GNUNET_DISK_file_size (filename, &fsize,
+ GNUNET_YES, GNUNET_YES))
return NULL;
-
- buffer = GNUNET_malloc (size);
- if (!buffer)
- {
- fclose (fp);
+ if (fsize > MAX_PEM_SIZE)
return NULL;
- }
-
- if (size != fread (buffer, 1, size, fp))
+ *size = (unsigned int) fsize;
+ buffer = GNUNET_malloc (*size);
+ if (fsize != GNUNET_DISK_fn_read (filename, buffer, (size_t) fsize))
{
GNUNET_free (buffer);
- buffer = NULL;
+ return NULL;
}
-
- fclose (fp);
return buffer;
}
-/** SSL stuff **/
/**
* Load PEM key from file
*
* @param key where to store the data
* @param keyfile path to the PEM file
+ * @return GNUNET_OK on success
*/
-static void
-load_key_from_file (gnutls_x509_privkey_t key, char* keyfile)
+static int
+load_key_from_file (gnutls_x509_privkey_t key, const char* keyfile)
{
gnutls_datum_t key_data;
int ret;
- key_data.data = (unsigned char*)load_file (keyfile);
- key_data.size = strlen ((char*)key_data.data);
-
+ key_data.data = load_file (keyfile, &key_data.size);
ret = gnutls_x509_privkey_import (key, &key_data,
GNUTLS_X509_FMT_PEM);
-
if (GNUTLS_E_SUCCESS != ret)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Unable to import private key %s(ret=%d)\n", key_data.data, ret);
+ _("Unable to import private key from file `%s'\n"),
+ keyfile);
GNUNET_break (0);
}
-
GNUNET_free (key_data.data);
+ return (GNUTLS_E_SUCCESS != ret) ? GNUNET_SYSERR : GNUNET_OK;
}
+
/**
* Load cert from file
*
* @param crt struct to store data in
* @param certfile path to pem file
+ * @return GNUNET_OK on success
*/
-static void
+static int
load_cert_from_file (gnutls_x509_crt_t crt, char* certfile)
{
gnutls_datum_t cert_data;
int ret;
- cert_data.data = (unsigned char*)load_file (certfile);
- cert_data.size = strlen ((char*)cert_data.data);
-
+ cert_data.data = load_file (certfile, &cert_data.size);
ret = gnutls_x509_crt_import (crt, &cert_data,
- GNUTLS_X509_FMT_PEM);
+ GNUTLS_X509_FMT_PEM);
if (GNUTLS_E_SUCCESS != ret)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Unable to import certificate %s(ret=%d)\n", certfile, ret);
+ _("Unable to import certificate %s\n"), certfile);
GNUNET_break (0);
}
-
GNUNET_free (cert_data.data);
-
+ return (GNUTLS_E_SUCCESS != ret) ? GNUNET_SYSERR : GNUNET_OK;
}
static struct ProxyGNSCertificate *
generate_gns_certificate (const char *name)
{
-
int ret;
unsigned int serial;
size_t key_buf_size;
GNUNET_break (0);
}
- ret = gnutls_x509_crt_set_key (request, proxy_ca.key);
-
- if (GNUTLS_E_SUCCESS != ret)
- {
- GNUNET_break (0);
- }
+ GNUNET_break (GNUTLS_E_SUCCESS == gnutls_x509_crt_set_key (request, proxy_ca.key));
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Generating cert\n");
gnutls_x509_crt_set_dn_by_oid (request, GNUTLS_OID_X520_COUNTRY_NAME,
0, "DE", 2);
-
gnutls_x509_crt_set_dn_by_oid (request, GNUTLS_OID_X520_ORGANIZATION_NAME,
- 0, "GNUnet", 6);
-
+ 0, "GADS", 4);
gnutls_x509_crt_set_dn_by_oid (request, GNUTLS_OID_X520_COMMON_NAME,
0, name, strlen (name));
-
- ret = gnutls_x509_crt_set_version (request, 3);
+ GNUNET_break (GNUTLS_E_SUCCESS == gnutls_x509_crt_set_version (request, 3));
ret = gnutls_rnd (GNUTLS_RND_NONCE, &serial, sizeof (serial));
}
-/*
+/**
* Accept policy for mhdaemons
*
* @param cls NULL
* @param addr the sockaddr
* @param addrlen the sockaddr length
- * @return MHD_NO if sockaddr is wrong or #conns too high
+ * @return MHD_NO if sockaddr is wrong or number of connections is too high
*/
static int
accept_cb (void* cls, const struct sockaddr *addr, socklen_t addrlen)
return MHD_NO;
}
- if (total_mhd_connections >= MAX_MHD_CONNECTIONS)
- return MHD_NO;
-
- total_mhd_connections++;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection accepted\n");
return MHD_YES;
}
* correct. In most cases we need to start a new daemon
*
* @param h the handle to add to a daemon
- * @praram domain the domain the ssl daemon has to serve
+ * @param domain the domain the ssl daemon has to serve
* @return MHD_YES on success
*/
static int
-add_handle_to_ssl_mhd (struct GNUNET_NETWORK_Handle *h, char* domain)
+add_handle_to_ssl_mhd (struct GNUNET_NETWORK_Handle *h, const char* domain)
{
- struct MhdHttpList *hd = NULL;
+ struct MhdHttpList *hd;
struct ProxyGNSCertificate *pgc;
+ struct NetworkHandleList *nh;
- for (hd = mhd_httpd_head; hd != NULL; hd = hd->next)
- {
+ for (hd = mhd_httpd_head; NULL != hd; hd = hd->next)
if (0 == strcmp (hd->domain, domain))
break;
- }
if (NULL == hd)
- {
-
+ {
pgc = generate_gns_certificate (domain);
hd = GNUNET_malloc (sizeof (struct MhdHttpList));
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"No previous SSL instance found... starting new one for %s\n",
domain);
-
- hd->daemon = MHD_start_daemon (MHD_USE_DEBUG | MHD_USE_SSL, 4444,
- &accept_cb, NULL,
- &create_response, hd,
- MHD_OPTION_LISTEN_SOCKET, GNUNET_NETWORK_get_fd (mhd_unix_socket),
- MHD_OPTION_CONNECTION_LIMIT, (unsigned int) 128,
- MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) 16,
- MHD_OPTION_NOTIFY_COMPLETED,
- NULL, NULL,
- MHD_OPTION_HTTPS_MEM_KEY, pgc->key,
- MHD_OPTION_HTTPS_MEM_CERT, pgc->cert,
- MHD_OPTION_END);
-
+#if HAVE_MHD_NO_LISTEN_SOCKET
+ hd->daemon = MHD_start_daemon (MHD_USE_DEBUG | MHD_USE_SSL | MHD_USE_NO_LISTEN_SOCKET,
+ 0,
+ &accept_cb, NULL,
+ &create_response, hd,
+ MHD_OPTION_CONNECTION_LIMIT,
+ MHD_MAX_CONNECTIONS,
+ MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) 16,
+ MHD_OPTION_NOTIFY_COMPLETED, NULL, NULL,
+ MHD_OPTION_HTTPS_MEM_KEY, pgc->key,
+ MHD_OPTION_HTTPS_MEM_CERT, pgc->cert,
+ MHD_OPTION_URI_LOG_CALLBACK, &mhd_log_callback,
+ NULL,
+ MHD_OPTION_END);
+#else
+ hd->daemon = MHD_start_daemon (MHD_USE_DEBUG | MHD_USE_SSL,
+ 4444 /* dummy port */,
+ &accept_cb, NULL,
+ &create_response, hd,
+ MHD_OPTION_LISTEN_SOCKET, GNUNET_NETWORK_get_fd (mhd_unix_socket),
+ MHD_OPTION_CONNECTION_LIMIT,
+ MHD_MAX_CONNECTIONS,
+ MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) 16,
+ MHD_OPTION_NOTIFY_COMPLETED, NULL, NULL,
+ MHD_OPTION_HTTPS_MEM_KEY, pgc->key,
+ MHD_OPTION_HTTPS_MEM_CERT, pgc->cert,
+ MHD_OPTION_URI_LOG_CALLBACK, &mhd_log_callback,
+ NULL,
+ MHD_OPTION_END);
+#endif
GNUNET_assert (hd->daemon != NULL);
hd->httpd_task = GNUNET_SCHEDULER_NO_TASK;
GNUNET_CONTAINER_DLL_insert (mhd_httpd_head, mhd_httpd_tail, hd);
}
+
+ nh = GNUNET_malloc (sizeof (struct NetworkHandleList));
+ nh->h = h;
+
+ GNUNET_CONTAINER_DLL_insert (hd->socket_handles_head,
+ hd->socket_handles_tail,
+ nh);
return add_handle_to_mhd (h, hd->daemon);
}
-
/**
* Read data from incoming connection
*
struct socks5_server_hello *s_hello;
struct socks5_client_request *c_req;
struct socks5_server_response *s_resp;
-
int ret;
char domain[256];
uint8_t dom_len;
uint32_t remote_ip;
struct sockaddr_in remote_addr;
struct in_addr *r_sin_addr;
+ struct NetworkHandleList *nh;
s5r->rtask = GNUNET_SCHEDULER_NO_TASK;
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Requested connection is HTTP\n");
+ nh = GNUNET_malloc (sizeof (struct NetworkHandleList));
+ nh->h = s5r->sock;
+
+ GNUNET_CONTAINER_DLL_insert (mhd_httpd_head->socket_handles_head,
+ mhd_httpd_head->socket_handles_tail,
+ nh);
+
ret = add_handle_to_mhd ( s5r->sock, httpd );
}
s5r->remote_sock,
&do_read_remote, s5r);
}
-
-
}
-
- //GNUNET_CONTAINER_DLL_remove (s5conns.head, s5conns.tail, s5r);
-
}
if (NULL == s)
{
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_INFO, "accept");
+ GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "accept");
return;
}
s5r->rtask = GNUNET_SCHEDULER_add_read_net (GNUNET_TIME_UNIT_FOREVER_REL,
s5r->sock,
&do_read, s5r);
- //GNUNET_CONTAINER_DLL_insert (s5conns.head, s5conns.tail, s5r);
}
do_shutdown (void *cls,
const struct GNUNET_SCHEDULER_TaskContext *tc)
{
-
struct MhdHttpList *hd;
struct MhdHttpList *tmp_hd;
+ struct NetworkHandleList *nh;
+ struct NetworkHandleList *tmp_nh;
struct ProxyCurlTask *ctask;
struct ProxyCurlTask *ctask_tmp;
+ struct ProxyUploadData *pdata;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Shutting down...\n");
+ if (NULL != local_gns_zone)
+ GNUNET_free (local_gns_zone);
+ if (NULL != local_private_zone)
+ GNUNET_free (local_private_zone);
+ if (NULL != local_shorten_zone)
+ GNUNET_free (local_shorten_zone);
if (GNUNET_SCHEDULER_NO_TASK != curl_download_task)
{
GNUNET_SCHEDULER_cancel (hd->httpd_task);
hd->httpd_task = GNUNET_SCHEDULER_NO_TASK;
}
-
if (NULL != hd->daemon)
{
MHD_stop_daemon (hd->daemon);
hd->daemon = NULL;
}
+ for (nh = hd->socket_handles_head; nh != NULL; nh = tmp_nh)
+ {
+ tmp_nh = nh->next;
+
+ GNUNET_NETWORK_socket_close (nh->h);
+
+ GNUNET_free (nh);
+ }
if (NULL != hd->proxy_cert)
{
ctask->curl = NULL;
if (NULL != ctask->headers)
curl_slist_free_all (ctask->headers);
+ if (NULL != ctask->resolver)
+ curl_slist_free_all (ctask->resolver);
+
+ if (NULL != ctask->response)
+ MHD_destroy_response (ctask->response);
+ pdata = ctask->upload_data_head;
+
+ //FIXME free pdata here
+ for (; pdata != NULL; pdata = ctask->upload_data_head)
+ {
+ GNUNET_CONTAINER_DLL_remove (ctask->upload_data_head,
+ ctask->upload_data_tail,
+ pdata);
+ GNUNET_free_non_null (pdata->filename);
+ GNUNET_free_non_null (pdata->content_type);
+ GNUNET_free_non_null (pdata->key);
+ GNUNET_free_non_null (pdata->value);
+ GNUNET_free (pdata);
+ }
GNUNET_free (ctask);
}
-
+ curl_multi_cleanup (curl_multi);
GNUNET_GNS_disconnect (gns_handle);
+ gnutls_global_deinit ();
}
load_local_zone_key (const struct GNUNET_CONFIGURATION_Handle *cfg)
{
char *keyfile;
- struct GNUNET_CRYPTO_RsaPrivateKey *key = NULL;
+ struct GNUNET_CRYPTO_RsaPrivateKey *key;
struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pkey;
- struct GNUNET_CRYPTO_ShortHashCode *zone = NULL;
+ struct GNUNET_CRYPTO_ShortHashCode *zone;
struct GNUNET_CRYPTO_ShortHashAsciiEncoded zonename;
if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
key = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
GNUNET_CRYPTO_rsa_key_get_public (key, &pkey);
+ local_gns_zone = GNUNET_malloc (sizeof (struct GNUNET_CRYPTO_ShortHashCode));
GNUNET_CRYPTO_short_hash(&pkey,
sizeof(struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded),
- &local_gns_zone);
- zone = &local_gns_zone;
+ local_gns_zone);
+ zone = local_gns_zone;
GNUNET_CRYPTO_short_hash_to_enc (zone, &zonename);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Using zone: %s!\n", &zonename);
GNUNET_CRYPTO_rsa_key_free(key);
GNUNET_free(keyfile);
+ keyfile = NULL;
- return GNUNET_YES;
-}
-
-/**
- * Loads the users local shorten zone key
- *
- * @return GNUNET_YES on success
- */
-static int
-load_local_shorten_key (const struct GNUNET_CONFIGURATION_Handle *cfg)
-{
- char *keyfile;
- struct GNUNET_CRYPTO_RsaPrivateKey *key = NULL;
- struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pkey;
- struct GNUNET_CRYPTO_ShortHashCode *zone = NULL;
- struct GNUNET_CRYPTO_ShortHashAsciiEncoded zonename;
+ if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
+ "PRIVATE_ZONEKEY", &keyfile))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Unable to load private zone key config value!\n");
+ }
- if (GNUNET_NO == GNUNET_CONFIGURATION_get_value_yesno (cfg, "gns",
- "AUTO_IMPORT_PKEY"))
+ if ((NULL != keyfile) && (GNUNET_NO == GNUNET_DISK_file_test (keyfile)))
{
- return GNUNET_NO;
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Unable to load private zone key %s!\n", keyfile);
+ GNUNET_free(keyfile);
+ }
+ else
+ {
+ key = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
+ GNUNET_CRYPTO_rsa_key_get_public (key, &pkey);
+ local_private_zone = GNUNET_malloc (sizeof (struct GNUNET_CRYPTO_ShortHashCode));
+ GNUNET_CRYPTO_short_hash(&pkey,
+ sizeof(struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded),
+ local_private_zone);
+ GNUNET_CRYPTO_short_hash_to_enc (zone, &zonename);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Using private zone: %s!\n", &zonename);
+ GNUNET_CRYPTO_rsa_key_free(key);
+ GNUNET_free(keyfile);
}
+ keyfile = NULL;
if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
- "AUTO_IMPORT_ZONEKEY",
- &keyfile))
+ "SHORTEN_ZONEKEY", &keyfile))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Unable to load shorten key config value! (not fatal)\n");
- return GNUNET_NO;
+ "Unable to load shorten zone key config value!\n");
}
- if (GNUNET_NO == GNUNET_DISK_file_test (keyfile))
+ if ((NULL != keyfile) && (GNUNET_NO == GNUNET_DISK_file_test (keyfile)))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Unable to load shorten key %s! (not fatal)\n", keyfile);
+ "Unable to load shorten zone key %s!\n", keyfile);
+ GNUNET_free(keyfile);
+ }
+ else
+ {
+ key = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
+ GNUNET_CRYPTO_rsa_key_get_public (key, &pkey);
+ local_shorten_zone = GNUNET_malloc (sizeof (struct GNUNET_CRYPTO_ShortHashCode));
+ GNUNET_CRYPTO_short_hash(&pkey,
+ sizeof(struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded),
+ local_shorten_zone);
+ GNUNET_CRYPTO_short_hash_to_enc (zone, &zonename);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Using shorten zone: %s!\n", &zonename);
+ GNUNET_CRYPTO_rsa_key_free(key);
GNUNET_free(keyfile);
- return GNUNET_NO;
}
-
- key = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
- GNUNET_CRYPTO_rsa_key_get_public (key, &pkey);
- GNUNET_CRYPTO_short_hash(&pkey,
- sizeof(struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded),
- &local_shorten_zone);
- zone = &local_gns_zone;
- GNUNET_CRYPTO_short_hash_to_enc (zone, &zonename);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Using shorten zone: %s!\n", &zonename);
- GNUNET_CRYPTO_rsa_key_free(key);
- GNUNET_free(keyfile);
return GNUNET_YES;
}
+
/**
* Main function that will be run
*
{
struct sockaddr_in sa;
struct MhdHttpList *hd;
- struct sockaddr_un mhd_unix_sock_addr;
- size_t len;
- char* proxy_sockfile;
char* cafile_cfg = NULL;
char* cafile;
+#if !HAVE_MHD_NO_LISTEN_SOCKET
+ size_t len;
+ char* proxy_sockfile;
+ struct sockaddr_un mhd_unix_sock_addr;
+#endif
+ if (NULL == (curl_multi = curl_multi_init ()))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to create cURL multo handle!\n");
+ return;
+ }
+
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Loading CA\n");
-
cafile = cafile_opt;
-
if (NULL == cafile)
{
if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns-proxy",
- "PROXY_CACERT",
- &cafile_cfg))
+ "PROXY_CACERT",
+ &cafile_cfg))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Unable to load proxy CA config value!\n");
}
cafile = cafile_cfg;
}
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Using %s as CA\n", cafile);
gnutls_global_init ();
-
gnutls_x509_crt_init (&proxy_ca.cert);
gnutls_x509_privkey_init (&proxy_ca.key);
- load_cert_from_file (proxy_ca.cert, cafile);
- 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)) )
+ {
+ // FIXME: release resources...
+ return;
+ }
- if (cafile_cfg)
- GNUNET_free (cafile_cfg);
+ GNUNET_free_non_null (cafile_cfg);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Loading Template\n");
-
+
compile_regex (&re_dotplus, (char*) RE_A_HREF);
- gns_handle = GNUNET_GNS_connect (cfg);
-
- if (GNUNET_NO == load_local_zone_key (cfg))
+ if (NULL == (gns_handle = GNUNET_GNS_connect (cfg)))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Unable to load zone!\n");
+ "Unable to connect to GNS!\n");
return;
}
-
- use_shorten = load_local_shorten_key (cfg);
-
- if (NULL == gns_handle)
+ if (GNUNET_NO == load_local_zone_key (cfg))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Unable to connect to GNS!\n");
+ "Unable to load zone!\n");
return;
}
GNUNET_a2s ((const struct sockaddr *) &sa, sizeof (sa)));
return;
}
-
ltask = GNUNET_SCHEDULER_add_read_net (GNUNET_TIME_UNIT_FOREVER_REL,
lsock, &do_accept, NULL);
- ctasks_head = NULL;
- ctasks_tail = NULL;
-
if (0 != curl_global_init (CURL_GLOBAL_WIN32))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Proxy listens on port %u\n",
port);
-
- mhd_httpd_head = NULL;
- mhd_httpd_tail = NULL;
- total_mhd_connections = 0;
-
+#if ! HAVE_MHD_NO_LISTEN_SOCKET
if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns-proxy",
"PROXY_UNIXPATH",
&proxy_sockfile))
"Specify PROXY_UNIXPATH in gns-proxy config section!\n");
return;
}
-
- mhd_unix_socket = GNUNET_NETWORK_socket_create (AF_UNIX,
- SOCK_STREAM,
- 0);
-
- if (NULL == mhd_unix_socket)
+ if (NULL == (mhd_unix_socket = GNUNET_NETWORK_socket_create (AF_UNIX,
+ SOCK_STREAM,
+ 0)))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Unable to create unix domain socket!\n");
mhd_unix_sock_addr.sun_family = AF_UNIX;
strcpy (mhd_unix_sock_addr.sun_path, proxy_sockfile);
- unlink (proxy_sockfile);
- len = strlen (proxy_sockfile) + sizeof(AF_UNIX);
+#if LINUX
+ mhd_unix_sock_addr.sun_path[0] = '\0';
+#endif
+#if HAVE_SOCKADDR_IN_SIN_LEN
+ mhd_unix_sock_addr.sun_len = (u_char) sizeof (struct sockaddr_un);
+#endif
+
+ len = strlen (proxy_sockfile) + sizeof(AF_UNIX);
GNUNET_free (proxy_sockfile);
if (GNUNET_OK != GNUNET_NETWORK_socket_bind (mhd_unix_socket,
"Unable to listen on unix domain socket!\n");
return;
}
+#endif
hd = GNUNET_malloc (sizeof (struct MhdHttpList));
hd->is_ssl = GNUNET_NO;
strcpy (hd->domain, "");
- httpd = MHD_start_daemon (MHD_USE_DEBUG, 4444, //Dummy port
- &accept_cb, NULL,
- &create_response, hd,
- MHD_OPTION_LISTEN_SOCKET, GNUNET_NETWORK_get_fd (mhd_unix_socket),
- MHD_OPTION_CONNECTION_LIMIT, (unsigned int) 128,
- MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) 16,
- MHD_OPTION_NOTIFY_COMPLETED,
- NULL, NULL,
- MHD_OPTION_END);
-
- GNUNET_assert (httpd != NULL);
+
+#if HAVE_MHD_NO_LISTEN_SOCKET
+ httpd = MHD_start_daemon (MHD_USE_DEBUG | MHD_USE_NO_LISTEN_SOCKET,
+ 0,
+ &accept_cb, NULL,
+ &create_response, hd,
+ MHD_OPTION_CONNECTION_LIMIT, MHD_MAX_CONNECTIONS,
+ MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) 16,
+ MHD_OPTION_NOTIFY_COMPLETED,
+ NULL, NULL,
+ MHD_OPTION_URI_LOG_CALLBACK, &mhd_log_callback, NULL,
+ MHD_OPTION_END);
+#else
+ httpd = MHD_start_daemon (MHD_USE_DEBUG,
+ 4444 /* Dummy port */,
+ &accept_cb, NULL,
+ &create_response, hd,
+ MHD_OPTION_LISTEN_SOCKET, GNUNET_NETWORK_get_fd (mhd_unix_socket),
+ MHD_OPTION_CONNECTION_LIMIT, MHD_MAX_CONNECTIONS,
+ MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) 16,
+ MHD_OPTION_NOTIFY_COMPLETED,
+ NULL, NULL,
+ MHD_OPTION_URI_LOG_CALLBACK, &mhd_log_callback, NULL,
+ MHD_OPTION_END);
+#endif
+ GNUNET_break (httpd != NULL);
hd->daemon = httpd;
hd->httpd_task = GNUNET_SCHEDULER_NO_TASK;
-
GNUNET_CONTAINER_DLL_insert (mhd_httpd_head, mhd_httpd_tail, hd);
-
run_httpds ();
-
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
&do_shutdown, NULL);
-
}
{
static const struct GNUNET_GETOPT_CommandLineOption options[] = {
{'p', "port", NULL,
- gettext_noop ("listen on specified port"), 1,
- &GNUNET_GETOPT_set_string, &port},
+ gettext_noop ("listen on specified port (default: 7777)"), 1,
+ &GNUNET_GETOPT_set_ulong, &port},
{'a', "authority", NULL,
gettext_noop ("pem file to use as CA"), 1,
&GNUNET_GETOPT_set_string, &cafile_opt},
GNUNET_GETOPT_OPTION_END
};
-
int ret;
if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
return 2;
-
GNUNET_log_setup ("gnunet-gns-proxy", "WARNING", NULL);
ret =
(GNUNET_OK ==
_("GNUnet GNS proxy"),
options,
&run, NULL)) ? 0 : 1;
+ GNUNET_free_non_null ((char *) argv);
return ret;
}
+
+/* end of gnunet-gns-proxy.c */