CINIT(PRIVATE, OBJECTPOINT, 103),
CINIT(LOW_SPEED_LIMIT, LONG , 19),
CINIT(LOW_SPEED_TIME, LONG, 20),
+ CINIT(PROTOCOLS, LONG, 181),
+ CINIT(REDIR_PROTOCOLS, LONG, 182),
}
CURLoption;
+#define CURLPROTO_HTTP (1<<0)
+#define CURLPROTO_HTTPS (1<<1)
+#define CURLPROTO_FTP (1<<2)
typedef enum
{
CURLINFO_TEXT = 0,
CURLMsg;
static void (*qcurl_global_init) (long flags);
-static void (*qcurl_global_cleanup) ();
+static void (*qcurl_global_cleanup) (void);
-static CURL * (*qcurl_easy_init) ();
+static CURL * (*qcurl_easy_init) (void);
static void (*qcurl_easy_cleanup) (CURL *handle);
static CURLcode (*qcurl_easy_setopt) (CURL *handle, CURLoption option, ...);
static CURLcode (*qcurl_easy_getinfo) (CURL *handle, CURLINFO info, ...);
static const char * (*qcurl_easy_strerror) (CURLcode);
-static CURLM * (*qcurl_multi_init) ();
+static CURLM * (*qcurl_multi_init) (void);
static CURLMcode (*qcurl_multi_perform) (CURLM *multi_handle, int *running_handles);
static CURLMcode (*qcurl_multi_add_handle) (CURLM *multi_handle, CURL *easy_handle);
static CURLMcode (*qcurl_multi_remove_handle) (CURLM *multi_handle, CURL *easy_handle);
typedef struct downloadinfo_s
{
- char filename[MAX_QPATH];
- char url[256];
+ char filename[MAX_OSPATH];
+ char url[1024];
char referer[256];
qfile_t *stream;
fs_offset_t startpos;
unsigned long bytes_received;
struct downloadinfo_s *next, *prev;
qboolean forthismap;
+
+ unsigned char *buffer;
+ size_t buffersize;
+ curl_callback_t callback;
+ void *callback_data;
}
downloadinfo;
static downloadinfo *downloads = NULL;
Clears the "will disconnect on failure" flags.
====================
*/
-void Curl_Clear_forthismap()
+void Curl_Clear_forthismap(void)
{
downloadinfo *di;
if(noclear)
Returns true if a download needed for the current game is running.
====================
*/
-qboolean Curl_Have_forthismap()
+qboolean Curl_Have_forthismap(void)
{
- return numdownloads_added;
+ return numdownloads_added != 0;
}
-void Curl_Register_predownload()
+void Curl_Register_predownload(void)
{
Curl_CommandWhenDone("cl_begindownloads");
Curl_CommandWhenError("cl_begindownloads");
All downloads finished, at least one success since connect, no single failure
-> execute the command.
*/
-static void Curl_CheckCommandWhenDone()
+static void Curl_CheckCommandWhenDone(void)
{
if(!curl_dll)
return;
{
const char* dllnames [] =
{
-#if defined(WIN64)
- "libcurl64.dll",
-#elif defined(WIN32)
+#if defined(WIN32)
"libcurl-4.dll",
"libcurl-3.dll",
#elif defined(MACOSX)
*/
static size_t CURL_fwrite(void *data, size_t size, size_t nmemb, void *vdi)
{
- fs_offset_t ret;
+ fs_offset_t ret = -1;
size_t bytes = size * nmemb;
downloadinfo *di = (downloadinfo *) vdi;
+ if(di->buffer)
+ {
+ if(di->bytes_received + bytes <= di->buffersize)
+ {
+ memcpy(di->buffer + di->bytes_received, data, bytes);
+ ret = bytes;
+ }
+ // otherwise: buffer overrun, ret stays -1
+ }
+
+ if(di->stream)
+ {
+ ret = FS_Write(di->stream, data, bytes);
+ }
+
bytes_received += bytes;
di->bytes_received += bytes;
- ret = FS_Write(di->stream, data, bytes);
-
return ret; // why not ret / nmemb?
}
}
CurlStatus;
+static void curl_default_callback(int status, size_t length_received, unsigned char *buffer, void *cbdata)
+{
+ downloadinfo *di = (downloadinfo *) cbdata;
+ switch(status)
+ {
+ case CURLCBSTATUS_OK:
+ Con_DPrintf("Download of %s: OK\n", di->filename);
+ break;
+ case CURLCBSTATUS_FAILED:
+ Con_DPrintf("Download of %s: FAILED\n", di->filename);
+ break;
+ case CURLCBSTATUS_ABORTED:
+ Con_DPrintf("Download of %s: ABORTED\n", di->filename);
+ break;
+ case CURLCBSTATUS_SERVERERROR:
+ Con_DPrintf("Download of %s: (unknown server error)\n", di->filename);
+ break;
+ case CURLCBSTATUS_UNKNOWN:
+ Con_DPrintf("Download of %s: (unknown client error)\n", di->filename);
+ break;
+ default:
+ Con_DPrintf("Download of %s: %d\n", di->filename, status);
+ break;
+ }
+}
+
+static void curl_quiet_callback(int status, size_t length_received, unsigned char *buffer, void *cbdata)
+{
+ curl_default_callback(status, length_received, buffer, cbdata);
+}
+
/*
====================
Curl_EndDownload
code from libcurl, or 0, if another error has occurred.
====================
*/
+static qboolean Curl_Begin(const char *URL, const char *name, qboolean ispak, qboolean forthismap, unsigned char *buf, size_t bufsize, curl_callback_t callback, void *cbdata);
static void Curl_EndDownload(downloadinfo *di, CurlStatus status, CURLcode error)
{
qboolean ok = false;
switch(status)
{
case CURL_DOWNLOAD_SUCCESS:
- Con_Printf("Download of %s: OK\n", di->filename);
ok = true;
+ di->callback(CURLCBSTATUS_OK, di->bytes_received, di->buffer, di->callback_data);
break;
case CURL_DOWNLOAD_FAILED:
- Con_Printf("Download of %s: FAILED\n", di->filename);
- if(error)
- Con_Printf("Reason given by libcurl: %s\n", qcurl_easy_strerror(error));
+ di->callback(CURLCBSTATUS_FAILED, di->bytes_received, di->buffer, di->callback_data);
break;
case CURL_DOWNLOAD_ABORTED:
- Con_Printf("Download of %s: ABORTED\n", di->filename);
+ di->callback(CURLCBSTATUS_ABORTED, di->bytes_received, di->buffer, di->callback_data);
break;
case CURL_DOWNLOAD_SERVERERROR:
- Con_Printf("Download of %s: %d\n", di->filename, (int) error);
-
// reopen to enforce it to have zero bytes again
- FS_Close(di->stream);
- di->stream = FS_Open(di->filename, "w", false, false);
+ if(di->stream)
+ {
+ FS_Close(di->stream);
+ di->stream = FS_OpenRealFile(di->filename, "wb", false);
+ }
+ if(di->callback)
+ di->callback(error ? (int) error : CURLCBSTATUS_SERVERERROR, di->bytes_received, di->buffer, di->callback_data);
+ break;
+ default:
+ if(di->callback)
+ di->callback(CURLCBSTATUS_UNKNOWN, di->bytes_received, di->buffer, di->callback_data);
break;
}
qcurl_easy_cleanup(di->curle);
}
- if(ok && !di->bytes_received)
+ if(!di->callback && ok && !di->bytes_received)
{
Con_Printf("ERROR: empty file\n");
ok = false;
FS_Close(di->stream);
if(ok && di->ispak)
+ {
ok = FS_AddPack(di->filename, NULL, true);
+ if(!ok)
+ {
+ // pack loading failed?
+ // this is critical
+ // better clear the file again...
+ di->stream = FS_OpenRealFile(di->filename, "wb", false);
+ FS_Close(di->stream);
+
+ if(di->startpos && !di->callback)
+ {
+ // this was a resume?
+ // then try to redownload it without reporting the error
+ Curl_Begin(di->url, di->filename, di->ispak, di->forthismap, NULL, 0, NULL, NULL);
+ di->forthismap = false; // don't count the error
+ }
+ }
+ }
if(di->prev)
di->prev->next = di->next;
up to a maximum number of cl_curl_maxdownloads are running.
====================
*/
-static void CheckPendingDownloads()
+static void CheckPendingDownloads(void)
{
if(!curl_dll)
return;
{
if(!di->started)
{
- Con_Printf("Downloading %s -> %s", di->url, di->filename);
+ if(!di->buffer)
+ {
+ Con_Printf("Downloading %s -> %s", di->url, di->filename);
- di->stream = FS_Open(di->filename, "ab", false, false);
- if(!di->stream)
+ di->stream = FS_OpenRealFile(di->filename, "ab", false);
+ if(!di->stream)
+ {
+ Con_Printf("\nFAILED: Could not open output file %s\n", di->filename);
+ Curl_EndDownload(di, CURL_DOWNLOAD_FAILED, CURLE_OK);
+ return;
+ }
+ FS_Seek(di->stream, 0, SEEK_END);
+ di->startpos = FS_Tell(di->stream);
+
+ if(di->startpos > 0)
+ Con_Printf(", resuming from position %ld", (long) di->startpos);
+ Con_Print("...\n");
+ }
+ else
{
- Con_Printf("\nFAILED: Could not open output file %s\n", di->filename);
- Curl_EndDownload(di, CURL_DOWNLOAD_FAILED, CURLE_OK);
- return;
+ Con_DPrintf("Downloading %s -> memory\n", di->url);
+ di->startpos = 0;
}
- FS_Seek(di->stream, 0, SEEK_END);
- di->startpos = FS_Tell(di->stream);
- if(di->startpos > 0)
- Con_Printf(", resuming from position %ld", (long) di->startpos);
- Con_Print("...\n");
-
di->curle = qcurl_easy_init();
qcurl_easy_setopt(di->curle, CURLOPT_URL, di->url);
qcurl_easy_setopt(di->curle, CURLOPT_USERAGENT, engineversion);
qcurl_easy_setopt(di->curle, CURLOPT_LOW_SPEED_TIME, (long) 45);
qcurl_easy_setopt(di->curle, CURLOPT_WRITEDATA, (void *) di);
qcurl_easy_setopt(di->curle, CURLOPT_PRIVATE, (void *) di);
+ qcurl_easy_setopt(di->curle, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS | CURLPROTO_FTP);
+ if(qcurl_easy_setopt(di->curle, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS | CURLPROTO_FTP) != CURLE_OK)
+ {
+ Con_Printf("^1WARNING:^7 for security reasons, please upgrade to libcurl 7.19.4 or above. In a later version of DarkPlaces, HTTP redirect support will be disabled for this libcurl version.\n");
+ //qcurl_easy_setopt(di->curle, CURLOPT_FOLLOWLOCATION, 0);
+ }
+
qcurl_multi_add_handle(curlm, di->curle);
di->started = true;
++numdownloads;
On Win32, this must be called AFTER WSAStartup has been done!
====================
*/
-void Curl_Init()
+void Curl_Init(void)
{
CURL_OpenLibrary();
if(!curl_dll)
Surprise... closes all the stuff. Please do this BEFORE shutting down LHNET.
====================
*/
-void Curl_ClearRequirements();
-void Curl_Shutdown()
+void Curl_ClearRequirements(void);
+void Curl_Shutdown(void)
{
if(!curl_dll)
return;
return NULL;
}
+void Curl_Cancel_ToMemory(curl_callback_t callback, void *cbdata)
+{
+ downloadinfo *di;
+ if(!curl_dll)
+ return;
+ for(di = downloads; di; )
+ {
+ if(di->callback == callback && di->callback_data == cbdata)
+ {
+ di->callback = curl_quiet_callback; // do NOT call the callback
+ Curl_EndDownload(di, CURL_DOWNLOAD_ABORTED, CURLE_OK);
+ di = downloads;
+ }
+ else
+ di = di->next;
+ }
+}
+
/*
====================
Curl_Begin
if given) in the "dlcache/" folder.
====================
*/
-void Curl_Begin(const char *URL, const char *name, qboolean ispak, qboolean forthismap)
+static qboolean Curl_Begin(const char *URL, const char *name, qboolean ispak, qboolean forthismap, unsigned char *buf, size_t bufsize, curl_callback_t callback, void *cbdata)
{
if(!curl_dll)
- return;
+ {
+ return false;
+ }
else
{
- char fn[MAX_QPATH];
+ char fn[MAX_OSPATH];
+ char urlbuf[1024];
const char *p, *q;
size_t length;
downloadinfo *di;
+ // if URL is protocol:///* or protocol://:port/*, insert the IP of the current server
+ p = strchr(URL, ':');
+ if(p)
+ {
+ if(!strncmp(p, ":///", 4) || !strncmp(p, "://:", 4))
+ {
+ char addressstring[128];
+ *addressstring = 0;
+ InfoString_GetValue(cls.userinfo, "*ip", addressstring, sizeof(addressstring));
+ q = strchr(addressstring, ':');
+ if(!q)
+ q = addressstring + strlen(addressstring);
+ if(*addressstring)
+ {
+ dpsnprintf(urlbuf, sizeof(urlbuf), "%.*s://%.*s%s", (int) (p - URL), URL, (int) (q - addressstring), addressstring, URL + (p - URL) + 3);
+ URL = urlbuf;
+ }
+ }
+ }
+
// Note: This extraction of the file name portion is NOT entirely correct.
//
// It does the following:
if(!name)
name = URL;
- p = strrchr(name, '/');
- p = p ? (p+1) : name;
- q = strchr(p, '?');
- length = q ? (size_t)(q - p) : strlen(p);
- dpsnprintf(fn, sizeof(fn), "dlcache/%.*s", (int)length, p);
-
- // already downloading the file?
+ if(!buf)
{
- downloadinfo *di = Curl_Find(fn);
- if(di)
- {
- Con_Printf("Can't download %s, already getting it from %s!\n", fn, di->url);
-
- // however, if it was not for this map yet...
- if(forthismap && !di->forthismap)
- {
- di->forthismap = true;
- // this "fakes" a download attempt so the client will wait for
- // the download to finish and then reconnect
- ++numdownloads_added;
- }
+ p = strrchr(name, '/');
+ p = p ? (p+1) : name;
+ q = strchr(p, '?');
+ length = q ? (size_t)(q - p) : strlen(p);
+ dpsnprintf(fn, sizeof(fn), "dlcache/%.*s", (int)length, p);
- return;
- }
- }
+ name = fn; // make it point back
- if(ispak && FS_FileExists(fn))
- {
- qboolean already_loaded;
- if(FS_AddPack(fn, &already_loaded, true))
+ // already downloading the file?
{
- Con_DPrintf("%s already exists, not downloading!\n", fn);
- if(already_loaded)
- Con_DPrintf("(pak was already loaded)\n");
- else
+ downloadinfo *di = Curl_Find(fn);
+ if(di)
{
- if(forthismap)
+ Con_Printf("Can't download %s, already getting it from %s!\n", fn, di->url);
+
+ // however, if it was not for this map yet...
+ if(forthismap && !di->forthismap)
{
+ di->forthismap = true;
+ // this "fakes" a download attempt so the client will wait for
+ // the download to finish and then reconnect
++numdownloads_added;
- ++numdownloads_success;
}
+
+ return false;
}
- return;
}
- else
+
+ if(ispak && FS_FileExists(fn))
{
- qfile_t *f = FS_Open(fn, "rb", false, false);
- if(f)
+ qboolean already_loaded;
+ if(FS_AddPack(fn, &already_loaded, true))
{
- char buf[4] = {0};
- FS_Read(f, buf, sizeof(buf)); // no "-1", I will use memcmp
-
- if(memcmp(buf, "PK\x03\x04", 4) && memcmp(buf, "PACK", 4))
+ Con_DPrintf("%s already exists, not downloading!\n", fn);
+ if(already_loaded)
+ Con_DPrintf("(pak was already loaded)\n");
+ else
{
- Con_DPrintf("Detected non-PAK %s, clearing and NOT resuming.\n", fn);
- FS_Close(f);
- f = FS_Open(fn, "w", false, false);
- if(f)
- FS_Close(f);
+ if(forthismap)
+ {
+ ++numdownloads_added;
+ ++numdownloads_success;
+ }
}
- else
+
+ return false;
+ }
+ else
+ {
+ qfile_t *f = FS_OpenRealFile(fn, "rb", false);
+ if(f)
{
- // OK
- FS_Close(f);
+ char buf[4] = {0};
+ FS_Read(f, buf, sizeof(buf)); // no "-1", I will use memcmp
+
+ if(memcmp(buf, "PK\x03\x04", 4) && memcmp(buf, "PACK", 4))
+ {
+ Con_DPrintf("Detected non-PAK %s, clearing and NOT resuming.\n", fn);
+ FS_Close(f);
+ f = FS_OpenRealFile(fn, "wb", false);
+ if(f)
+ FS_Close(f);
+ }
+ else
+ {
+ // OK
+ FS_Close(f);
+ }
}
}
}
}
+ // if we get here, we actually want to download... so first verify the
+ // URL scheme (so one can't read local files using file://)
+ if(strncmp(URL, "http://", 7) && strncmp(URL, "ftp://", 6) && strncmp(URL, "https://", 8))
+ {
+ Con_Printf("Curl_Begin(\"%s\"): nasty URL scheme rejected\n", URL);
+ return false;
+ }
+
if(forthismap)
++numdownloads_added;
di = (downloadinfo *) Z_Malloc(sizeof(*di));
- strlcpy(di->filename, fn, sizeof(di->filename));
+ strlcpy(di->filename, name, sizeof(di->filename));
strlcpy(di->url, URL, sizeof(di->url));
dpsnprintf(di->referer, sizeof(di->referer), "dp://%s/", cls.netcon ? cls.netcon->address : "notconnected.invalid");
di->forthismap = forthismap;
di->startpos = 0;
di->curle = NULL;
di->started = false;
- di->ispak = ispak;
+ di->ispak = (ispak && !buf);
di->bytes_received = 0;
di->next = downloads;
di->prev = NULL;
if(di->next)
di->next->prev = di;
+
+ di->buffer = buf;
+ di->buffersize = bufsize;
+ if(callback == NULL)
+ {
+ di->callback = curl_default_callback;
+ di->callback_data = di;
+ }
+ else
+ {
+ di->callback = callback;
+ di->callback_data = cbdata;
+ }
+
downloads = di;
+ return true;
}
}
+qboolean Curl_Begin_ToFile(const char *URL, const char *name, qboolean ispak, qboolean forthismap)
+{
+ return Curl_Begin(URL, name, ispak, forthismap, NULL, 0, NULL, NULL);
+}
+qboolean Curl_Begin_ToMemory(const char *URL, unsigned char *buf, size_t bufsize, curl_callback_t callback, void *cbdata)
+{
+ return Curl_Begin(URL, NULL, false, false, buf, bufsize, callback, cbdata);
+}
/*
====================
blocking.
====================
*/
-void Curl_Run()
+void Curl_Run(void)
{
noclear = FALSE;
case 4: // e.g. 404?
case 5: // e.g. 500?
failed = CURL_DOWNLOAD_SERVERERROR;
- result = code;
+ result = (CURLcode) code;
break;
}
}
Stops ALL downloads.
====================
*/
-void Curl_CancelAll()
+void Curl_CancelAll(void)
{
if(!curl_dll)
return;
returns true iff there is a download running.
====================
*/
-qboolean Curl_Running()
+qboolean Curl_Running(void)
{
if(!curl_dll)
return false;
double length;
qcurl_easy_getinfo(di->curle, CURLINFO_CONTENT_LENGTH_DOWNLOAD, &length);
if(length > 0)
- return di->bytes_received / length;
+ return (di->startpos + di->bytes_received) / (di->startpos + length);
else
return 0;
}
====================
*/
// TODO rewrite using Curl_GetDownloadInfo?
-static void Curl_Info_f()
+static void Curl_Info_f(void)
{
downloadinfo *di;
if(!curl_dll)
}
needthefile:
- Curl_Begin(url, name, pak, forthismap);
+ Curl_Begin_ToFile(url, name, pak, forthismap);
+}
+
+/*
+static void curl_curlcat_callback(int code, size_t length_received, unsigned char *buffer, void *cbdata)
+{
+ Con_Printf("Received %d bytes (status %d):\n%.*s\n", (int) length_received, code, (int) length_received, buffer);
+ Z_Free(buffer);
+}
+
+void Curl_CurlCat_f(void)
+{
+ unsigned char *buf;
+ const char *url = Cmd_Argv(1);
+ buf = Z_Malloc(16384);
+ Curl_Begin_ToMemory(url, buf, 16384, curl_curlcat_callback, NULL);
}
+*/
/*
====================
Cvar_RegisterVariable (&sv_curl_defaulturl);
Cvar_RegisterVariable (&sv_curl_serverpackages);
Cmd_AddCommand ("curl", Curl_Curl_f, "download data from an URL and add to search path");
+ //Cmd_AddCommand ("curlcat", Curl_CurlCat_f, "display data from an URL (debugging command)");
}
/*
*/
Curl_downloadinfo_t *Curl_GetDownloadInfo(int *nDownloads, const char **additional_info)
{
- int n, i;
+ int i;
downloadinfo *di;
Curl_downloadinfo_t *downinfo;
static char addinfo[128];
return NULL;
}
- n = 0;
+ i = 0;
for(di = downloads; di; di = di->next)
- ++n;
+ ++i;
- downinfo = (Curl_downloadinfo_t *) Z_Malloc(sizeof(*downinfo) * n);
+ downinfo = (Curl_downloadinfo_t *) Z_Malloc(sizeof(*downinfo) * i);
i = 0;
for(di = downloads; di; di = di->next)
{
+ // do not show infobars for background downloads
+ if(!developer.integer)
+ if(di->buffer)
+ continue;
strlcpy(downinfo[i].filename, di->filename, sizeof(downinfo[i].filename));
if(di->curle)
{
*additional_info = NULL;
}
- *nDownloads = n;
+ *nDownloads = i;
return downinfo;
}
*/
static const char *Curl_FindPackURL(const char *filename)
{
- static char foundurl[256];
+ static char foundurl[1024];
fs_offset_t filesize;
char *buf = (char *) FS_LoadFile("curl_urls.txt", tempmempool, true, &filesize);
if(buf && filesize)
typedef struct requirement_s
{
struct requirement_s *next;
- char filename[MAX_QPATH];
+ char filename[MAX_OSPATH];
}
requirement;
static requirement *requirements = NULL;
This should be called at every map change.
====================
*/
-void Curl_ClearRequirements()
+void Curl_ClearRequirements(void)
{
const char *p;
while(requirements)
curl --finish_autodownload
====================
*/
-void Curl_SendRequirements()
+void Curl_SendRequirements(void)
{
// for each requirement, find the pack name
char sendbuffer[4096] = "";