/*
* Returns true if the file exists, otherwise it attempts
* to start a download from the server.
*/
qboolean CL_CheckOrDownloadFile (char *filename) {
FILE *fp;
char name[MAX_OSPATH];
char *ptr;
if (strstr (filename, "..")) {
Com_Printf ("Refusing to download a path with ..\n");
return true;
}
/* fix backslashes - this is mostly für UNIX comaptiblity */
while ((ptr=strchr(filename,'\\'))) {
*ptr = '/';
}
if (FS_LoadFile (filename, NULL) != -1) {
/* it exists, no need to download */
return true;
}
strcpy (cls.downloadname, filename);
/* download to a temp name, and only rename
to the real name when done, so if interrupted
a runt file wont be left */
COM_StripExtension (cls.downloadname, cls.downloadtempname);
strcat (cls.downloadtempname, ".tmp");
/* check to see if we already have a tmp for this file, if so, try to resume
and open the file if not opened yet */
CL_DownloadFileName(name, sizeof(name), cls.downloadtempname);
fp = fopen (name, "r+b");
if (fp) {
/* it exists */
int len;
fseek(fp, 0, SEEK_END);
len = ftell(fp);
cls.download = fp;
/* give the server an offset to start the download */
Com_Printf ("Resuming %s\n", cls.downloadname);
MSG_WriteByte (&cls.netchan.message, clc_stringcmd);
MSG_WriteString (&cls.netchan.message,
va("download %s %i", cls.downloadname, len));
} else {
Com_Printf ("Downloading %s\n", cls.downloadname);
MSG_WriteByte (&cls.netchan.message, clc_stringcmd);
MSG_WriteString (&cls.netchan.message,
va("download %s", cls.downloadname));
}
cls.downloadnumber++;
return false;
}
/*
===============
CL_CheckOrDownloadFile
Returns true if the file exists, otherwise it attempts
to start a download from the server.
===============
*/
qboolean CL_CheckOrDownloadFile(char * filename)
{
FILE * fp;
char name[MAX_OSPATH];
if (strstr(filename, ".."))
{
Com_Printf("Refusing to download a path with ..\n");
return true;
}
if (FS_LoadFile(filename, NULL) != -1)
{ // it exists, no need to download
return true;
}
strcpy(cls.downloadname, filename);
// download to a temp name, and only rename
// to the real name when done, so if interrupted
// a runt file wont be left
COM_StripExtension(cls.downloadname, cls.downloadtempname);
strcat(cls.downloadtempname, ".tmp");
//ZOID
// check to see if we already have a tmp for this file, if so, try to resume
// open the file if not opened yet
CL_DownloadFileName(name, sizeof(name), cls.downloadtempname);
// FS_CreatePath (name);
fp = fopen(name, "r+b");
if (fp)
{ // it exists
int len;
fseek(fp, 0, SEEK_END);
len = ftell(fp);
cls.download = fp;
// give the server an offset to start the download
Com_Printf("Resuming %s\n", cls.downloadname);
MSG_WriteByte(&cls.netchan.message, clc_stringcmd);
MSG_WriteString(&cls.netchan.message,
va("download %s %i", cls.downloadname, len));
}
else
{
Com_Printf("Downloading %s\n", cls.downloadname);
MSG_WriteByte(&cls.netchan.message, clc_stringcmd);
MSG_WriteString(&cls.netchan.message,
va("download %s", cls.downloadname));
}
cls.downloadnumber++;
return false;
}
static void CL_FinishDownload (void)
{
char oldn[MAX_OSPATH], newn[MAX_OSPATH];
fclose (cls.download);
// rename the temp file to it's final name
CL_DownloadFileName(oldn, sizeof(oldn), cls.downloadtempname);
CL_DownloadFileName(newn, sizeof(newn), cls.downloadname);
if (!FS_RenameFile(oldn, newn))
Com_Printf ("failed to rename.\n");
cls.failed_download = false;
cls.downloadname[0] = 0;
cls.downloadposition = 0;
cls.download = NULL;
cls.downloadpercent = 0;
}
void CL_FinishDownload (void)
{
#ifdef _DEBUG
clientinfo_t *ci;
#endif
int r;
char oldn[MAX_OSPATH];
char newn[MAX_OSPATH];
fclose (cls.download);
FS_FlushCache();
// rename the temp file to it's final name
CL_DownloadFileName(oldn, sizeof(oldn), cls.downloadtempname);
CL_DownloadFileName(newn, sizeof(newn), cls.downloadname);
r = rename (oldn, newn);
if (r)
Com_Printf ("failed to rename.\n", LOG_CLIENT);
#ifdef _DEBUG
if (cls.serverProtocol == PROTOCOL_R1Q2 && (strstr(newn, "players"))) {
for (r = 0; r < cl.maxclients; r++) {
ci = &cl.clientinfo[r];
if (ci->deferred)
CL_ParseClientinfo (r);
}
}
#endif
cls.failed_download = false;
cls.downloadpending = false;
cls.downloadname[0] = 0;
cls.downloadposition = 0;
cls.download = NULL;
cls.downloadpercent = 0;
}
/*
===============
CL_CheckOrDownloadFile
Returns true if the file exists, otherwise it attempts
to start a download from the server.
===============
*/
qboolean CL_CheckOrDownloadFile (const char *filename)
{
FILE *fp;
int length;
char *p;
char name[MAX_OSPATH];
static char lastfilename[MAX_OSPATH] = {0};
//r1: don't attempt same file many times
if (!strcmp (filename, lastfilename))
return true;
strcpy (lastfilename, filename);
if (strstr (filename, ".."))
{
Com_Printf ("Refusing to check a path with .. (%s)\n", LOG_CLIENT, filename);
return true;
}
if (strchr (filename, ' '))
{
Com_Printf ("Refusing to check a path containing spaces (%s)\n", LOG_CLIENT, filename);
return true;
}
if (strchr (filename, ':'))
{
Com_Printf ("Refusing to check a path containing a colon (%s)\n", LOG_CLIENT, filename);
return true;
}
if (filename[0] == '/')
{
Com_Printf ("Refusing to check a path starting with / (%s)\n", LOG_CLIENT, filename);
return true;
}
if (FS_LoadFile (filename, NULL) != -1)
{
// it exists, no need to download
return true;
}
#ifdef USE_CURL
if (CL_QueueHTTPDownload (filename))
{
//we return true so that the precache check keeps feeding us more files.
//since we have multiple HTTP connections we want to minimize latency
//and be constantly sending requests, not one at a time.
return true;
}
else
#endif
{
strcpy (cls.downloadname, filename);
//r1: fix \ to /
p = cls.downloadname;
while ((p = strchr(p, '\\')) != NULL)
p[0] = '/';
length = (int)strlen(cls.downloadname);
//normalize path
p = cls.downloadname;
while ((p = strstr (p, "./")) != NULL)
{
memmove (p, p+2, length - (p - cls.downloadname) - 1);
length -= 2;
}
//r1: verify we are giving the server a legal path
if (cls.downloadname[length-1] == '/')
{
Com_Printf ("Refusing to download bad path (%s)\n", LOG_CLIENT, filename);
return true;
}
// download to a temp name, and only rename
// to the real name when done, so if interrupted
// a runt file wont be left
COM_StripExtension (cls.downloadname, cls.downloadtempname);
strcat (cls.downloadtempname, ".tmp");
//ZOID
// check to see if we already have a tmp for this file, if so, try to resume
// open the file if not opened yet
CL_DownloadFileName(name, sizeof(name), cls.downloadtempname);
// FS_CreatePath (name);
fp = fopen (name, "r+b");
if (fp)
{
// it exists
int len;
fseek(fp, 0, SEEK_END);
len = ftell(fp);
cls.download = fp;
// give the server an offset to start the download
Com_Printf ("Resuming %s\n", LOG_CLIENT, cls.downloadname);
MSG_WriteByte (clc_stringcmd);
if (cls.serverProtocol == PROTOCOL_R1Q2)
MSG_WriteString (va("download \"%s\" %i udp-zlib", cls.downloadname, len));
else
MSG_WriteString (va("download \"%s\" %i", cls.downloadname, len));
}
else
{
Com_Printf ("Downloading %s\n", LOG_CLIENT, cls.downloadname);
MSG_WriteByte (clc_stringcmd);
if (cls.serverProtocol == PROTOCOL_R1Q2)
MSG_WriteString (va("download \"%s\" 0 udp-zlib", cls.downloadname));
else
MSG_WriteString (va("download \"%s\"", cls.downloadname));
}
MSG_EndWriting (&cls.netchan.message);
send_packet_now = true;
cls.downloadpending = true;
return false;
}
}
void CL_ParseDownload (qboolean dataIsCompressed)
{
int size, percent;
char name[MAX_OSPATH];
// read the data
size = MSG_ReadShort (&net_message);
percent = MSG_ReadByte (&net_message);
if (size < 0)
{
if (size == -1)
Com_Printf ("Server does not have this file.\n", LOG_CLIENT);
else
Com_Printf ("Bad download data from server.\n", LOG_CLIENT);
//r1: nuke the temp filename
cls.downloadtempname[0] = 0;
cls.downloadname[0] = 0;
cls.failed_download = true;
if (cls.download)
{
// if here, we tried to resume a file but the server said no
fclose (cls.download);
cls.download = NULL;
}
cls.downloadpending = false;
CL_RequestNextDownload ();
return;
}
// open the file if not opened yet
if (!cls.download)
{
if (!cls.downloadtempname[0])
{
Com_Printf ("Received download packet without request. Ignored.\n", LOG_CLIENT);
net_message.readcount += size;
return;
}
CL_DownloadFileName(name, sizeof(name), cls.downloadtempname);
FS_CreatePath (name);
cls.download = fopen (name, "wb");
if (!cls.download)
{
net_message.readcount += size;
Com_Printf ("Failed to open %s\n", LOG_CLIENT, cls.downloadtempname);
cls.downloadpending = false;
CL_RequestNextDownload ();
return;
}
}
//r1: downloading something, drop to console to show status bar
SCR_EndLoadingPlaque();
//r1: if we're stuck with udp, may as well make best use of the bandwidth...
if (dataIsCompressed)
{
#ifndef NO_ZLIB
uint16 uncompressedLen;
byte uncompressed[0xFFFF];
uncompressedLen = (uint16)MSG_ReadShort (&net_message);
if (!uncompressedLen)
Com_Error (ERR_DROP, "uncompressedLen == 0");
ZLibDecompress (net_message_buffer + net_message.readcount, size, uncompressed, uncompressedLen, -15);
fwrite (uncompressed, 1, uncompressedLen, cls.download);
Com_DPrintf ("svc_zdownload(%s): %d -> %d\n", cls.downloadname, size, uncompressedLen);
#else
Com_Error (ERR_DROP, "Received a unrequested compressed download");
#endif
}
else
{
fwrite (net_message_buffer + net_message.readcount, 1, size, cls.download);
}
net_message.readcount += size;
if (percent != 100)
{
cls.downloadpercent = percent;
MSG_WriteByte (clc_stringcmd);
MSG_Print ("nextdl");
MSG_EndWriting (&cls.netchan.message);
send_packet_now = true;
}
else
{
CL_FinishDownload ();
// get another file if needed
CL_RequestNextDownload ();
}
}
/*
=====================
CL_ParseDownload
A download message has been received from the server
=====================
*/
void CL_ParseDownload(void)
{
int size, percent;
char name[MAX_OSPATH];
int r;
// read the data
size = MSG_ReadShort(&net_message);
percent = MSG_ReadByte(&net_message);
if (size == -1)
{
Com_Printf("Server does not have this file.\n");
if (cls.download)
{
// if here, we tried to resume a file but the server said no
fclose(cls.download);
cls.download = NULL;
}
CL_RequestNextDownload();
return;
}
// open the file if not opened yet
if (!cls.download)
{
CL_DownloadFileName(name, sizeof(name), cls.downloadtempname);
FS_CreatePath(name);
cls.download = fopen(name, "wb");
if (!cls.download)
{
net_message.readcount += size;
Com_Printf("Failed to open %s\n", cls.downloadtempname);
CL_RequestNextDownload();
return;
}
}
fwrite(net_message.data + net_message.readcount, 1, size, cls.download);
net_message.readcount += size;
if (percent != 100)
{
// request next block
// change display routines by zoid
#if 0
Com_Printf (".");
if (10*(percent/10) != cls.downloadpercent)
{
cls.downloadpercent = 10*(percent/10);
Com_Printf ("%i%%", cls.downloadpercent);
}
#endif
cls.downloadpercent = percent;
MSG_WriteByte(&cls.netchan.message, clc_stringcmd);
SZ_Print(&cls.netchan.message, "nextdl");
}
else
{
char oldn[MAX_OSPATH];
char newn[MAX_OSPATH];
// Com_Printf ("100%%\n");
fclose(cls.download);
// rename the temp file to it's final name
CL_DownloadFileName(oldn, sizeof(oldn), cls.downloadtempname);
CL_DownloadFileName(newn, sizeof(newn), cls.downloadname);
r = rename(oldn, newn);
if (r)
Com_Printf("failed to rename.\n");
cls.download = NULL;
cls.downloadpercent = 0;
// get another file if needed
CL_RequestNextDownload();
}
}
/*
* A download message has been received from the server
*/
void CL_ParseDownload (void) {
int size, percent;
char name[MAX_OSPATH];
int r;
/* read the data */
size = MSG_ReadShort (&net_message);
percent = MSG_ReadByte (&net_message);
if (size == -1) {
Com_Printf ("Server does not have this file.\n");
if (cls.download) {
/* if here, we tried to resume a
file but the server said no */
fclose (cls.download);
cls.download = NULL;
}
CL_RequestNextDownload ();
return;
}
/* open the file if not opened yet */
if (!cls.download) {
CL_DownloadFileName(name, sizeof(name), cls.downloadtempname);
FS_CreatePath (name);
cls.download = fopen (name, "wb");
if (!cls.download) {
net_message.readcount += size;
Com_Printf ("Failed to open %s\n", cls.downloadtempname);
CL_RequestNextDownload ();
return;
}
}
fwrite (net_message.data + net_message.readcount, 1, size, cls.download);
net_message.readcount += size;
if (percent != 100) {
/* request next block */
cls.downloadpercent = percent;
MSG_WriteByte (&cls.netchan.message, clc_stringcmd);
SZ_Print (&cls.netchan.message, "nextdl");
} else {
char oldn[MAX_OSPATH];
char newn[MAX_OSPATH];
fclose (cls.download);
/* rename the temp file to it's final name */
CL_DownloadFileName(oldn, sizeof(oldn), cls.downloadtempname);
CL_DownloadFileName(newn, sizeof(newn), cls.downloadname);
r = rename (oldn, newn);
if (r)
Com_Printf ("failed to rename.\n");
cls.download = NULL;
cls.downloadpercent = 0;
/* get another file if needed */
CL_RequestNextDownload ();
}
}
/*
===============
CL_CheckOrDownloadFile
Returns true if the file exists, otherwise it attempts
to start a download from the server.
===============
*/
qboolean CL_CheckOrDownloadFile (char *filename)
{
FILE *fp;
char name[MAX_OSPATH];
int32_t len; // Knightmare added
char s[128];
//int32_t i;
if (strstr (filename, ".."))
{
Com_Printf ("Refusing to download a path with ..\n");
return true;
}
if (FS_LoadFile (filename, NULL) != -1)
{ // it exists, no need to download
return true;
}
// don't try again to download a file that just failed
if (CL_CheckDownloadFailed(filename))
return true;
// don't download a .tga texture which already has a .jpg counterpart
len = strlen(filename);
strcpy(s,filename);
if (strstr(s, "textures/") && !strcmp(s+len-4, ".tga")) // look if we have a .tga texture
{
s[len-3]='j'; s[len-2]='p'; s[len-1]='g'; // replace extension
if (FS_LoadFile (s, NULL) != -1) // check for .jpg counterpart
return true;
}
strcpy (cls.downloadname, filename);
// download to a temp name, and only rename
// to the real name when done, so if interrupted
// a runt file wont be left
COM_StripExtension (cls.downloadname, cls.downloadtempname);
strcat (cls.downloadtempname, ".tmp");
//ZOID
// check to see if we already have a tmp for this file, if so, try to resume
// open the file if not opened yet
CL_DownloadFileName(name, sizeof(name), cls.downloadtempname);
// FS_CreatePath (name);
fp = fopen (name, "r+b");
if (fp) { // it exists
int32_t len;
fseek(fp, 0, SEEK_END);
len = ftell(fp);
cls.download = fp;
// give the server an offset to start the download
Com_Printf ("Resuming %s\n", cls.downloadname);
MSG_WriteByte (&cls.netchan.message, clc_stringcmd);
MSG_WriteString (&cls.netchan.message,
va("download %s %i", cls.downloadname, len));
} else {
Com_Printf ("Downloading %s\n", cls.downloadname);
MSG_WriteByte (&cls.netchan.message, clc_stringcmd);
MSG_WriteString (&cls.netchan.message,
va("download %s", cls.downloadname));
}
cls.downloadnumber++;
return false;
}
/*
=====================
CL_ParseDownload
A download message has been received from the server
=====================
*/
void CL_ParseDownload (sizebuf_t *msg, qboolean dataIsCompressed)
{
int size, percent;
char name[MAX_OSPATH];
// int r;
// read the data
size = MSG_ReadShort (msg);
percent = MSG_ReadByte (msg);
if (size < 0)
{
if (size == -1)
Com_Printf ("Server does not have this file.\n");
else
Com_Printf ("Bad download data from server.\n");
cls.downloadtempname[0] = 0;
cls.downloadname[0] = 0;
cls.failed_download = true;
if (cls.download)
{
// if here, we tried to resume a file but the server said no
fclose (cls.download);
cls.download = NULL;
}
CL_RequestNextDownload ();
return;
}
// open the file if not opened yet
if (!cls.download)
{
if (!cls.downloadtempname[0])
{
Com_Printf ("Received download packet without request. Ignored.\n");
msg->readcount += size;
return;
}
CL_DownloadFileName(name, sizeof(name), cls.downloadtempname);
FS_CreatePath (name);
cls.download = fopen (name, "wb");
if (!cls.download)
{
msg->readcount += size;
Com_Printf ("Failed to open %s\n", cls.downloadtempname);
CL_RequestNextDownload ();
return;
}
}
if (dataIsCompressed)
{
uint16 uncompressedLen;
byte uncompressed[0xFFFF];
uncompressedLen = MSG_ReadShort (msg);
if (!uncompressedLen)
Com_Error (ERR_DROP, "uncompressedLen == 0");
ZLibDecompress (msg->data + msg->readcount, size, uncompressed, uncompressedLen, -15);
fwrite (uncompressed, 1, uncompressedLen, cls.download);
Com_DPrintf ("svc_zdownload(%s): %d -> %d\n", cls.downloadname, size, uncompressedLen);
}
else
{
fwrite (msg->data + msg->readcount, 1, size, cls.download);
}
//fwrite (net_message.data + net_message.readcount, 1, size, cls.download);
msg->readcount += size;
if (percent != 100)
{
// request next block
// change display routines by zoid
cls.downloadpercent = percent;
MSG_WriteByte (&cls.netchan.message, clc_stringcmd);
SZ_Print (&cls.netchan.message, "nextdl");
}
else
{
CL_FinishDownload();
// get another file if needed
CL_RequestNextDownload ();
}
}
/*
===============
CL_CheckOrDownloadFile
Returns true if the file exists, otherwise it attempts
to start a download from the server.
===============
*/
qboolean CL_CheckOrDownloadFile (const char *filename)
{
FILE *fp;
char name[MAX_OSPATH];
static char lastfilename[MAX_OSPATH] = "\0";
Q_strncpyz(name, filename, sizeof(name));
COM_FixPath(name);
filename = name;
//r1: don't attempt same file many times
if (!strcmp (filename, lastfilename))
return true;
strcpy (lastfilename, filename);
if (strstr (filename, ".."))
{
Com_Printf ("Refusing to download a path with .. (%s)\n", filename);
return true;
}
if (strchr (filename, ' '))
{
Com_Printf ("Refusing to check a path containing spaces (%s)\n", filename);
return true;
}
if (strchr (filename, ':'))
{
Com_Printf ("Refusing to check a path containing a colon (%s)\n", filename);
return true;
}
if (FS_LoadFile (filename, NULL) != -1)
{ // it exists, no need to download
return true;
}
#ifdef USE_CURL
if (CL_QueueHTTPDownload (filename))
{
//we return true so that the precache check keeps feeding us more files.
//since we have multiple HTTP connections we want to minimize latency
//and be constantly sending requests, not one at a time.
return true;
}
#endif
strcpy (cls.downloadname, filename);
// download to a temp name, and only rename
// to the real name when done, so if interrupted
// a runt file wont be left
COM_StripExtension (cls.downloadname, cls.downloadtempname);
strcat (cls.downloadtempname, ".tmp");
//ZOID
// check to see if we already have a tmp for this file, if so, try to resume
// open the file if not opened yet
CL_DownloadFileName(name, sizeof(name), cls.downloadtempname);
// FS_CreatePath (name);
fp = fopen (name, "r+b");
if (fp)
{ // it exists
int len;
fseek(fp, 0, SEEK_END);
len = ftell(fp);
cls.download = fp;
// give the server an offset to start the download
Com_Printf ("Resuming %s\n", cls.downloadname);
MSG_WriteByte (&cls.netchan.message, clc_stringcmd);
if (cls.serverProtocol == PROTOCOL_VERSION_R1Q2)
MSG_WriteString (&cls.netchan.message, va("download \"%s\" %i udp-zlib", cls.downloadname, len));
else
MSG_WriteString (&cls.netchan.message, va("download \"%s\" %i", cls.downloadname, len));
}
else
{
Com_Printf ("Downloading %s\n", cls.downloadname);
MSG_WriteByte (&cls.netchan.message, clc_stringcmd);
if (cls.serverProtocol == PROTOCOL_VERSION_R1Q2)
MSG_WriteString (&cls.netchan.message, va("download \"%s\" 0 udp-zlib", cls.downloadname));
else
MSG_WriteString (&cls.netchan.message, va("download \"%s\"", cls.downloadname));
}
//cls.downloadnumber++;
return false;
}
