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Fix TCP RST ACK loop bug.

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Fix Gopher client filename bug using filename character validation.
Increase TCP timeout in TCPConnectionCreate.
Move default AutoComplete position left a bit, just enough so that new windows' [X] button is visible.
This commit is contained in:
TomAwezome 2021-11-04 05:39:55 -04:00
parent 5a4bccc5b9
commit 68775b3b44
4 changed files with 74 additions and 42 deletions
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107
src/Home/Net/Programs/Gopher.CC
View file

@ -1,18 +1,18 @@
/* Gopher client for TempleOS/Sockets
by Declan Hoare 2020
ported to ZealOS by TomAwezome in 2021
ported to ZealOS and modified by TomAwezome in 2021
Public Domain - No Warranty */
#define GOPHER_CLIENT_LOADED
#ifndef GOPHER_ASSOCIATIONS
#define GOPHER_ASSOCIATIONS
U8* gopher_associations[256];
U8 *gopher_associations[256];
#endif
I64 GopherOpen(U8* host, U16 port, U8* selector, U8* query)
I64 GopherOpen(U8 *host, U16 port, U8 *selector, U8 *query)
{
U8* line;
U8 *line;
I64 sock;
if (host == NULL)
@ -37,8 +37,7 @@ I64 GopherOpen(U8* host, U16 port, U8* selector, U8* query)
line = StrPrint(NULL, "%s\t%s\r\n", selector, query);
}
sock(CTCPSocket *)->timeout = TCP_TIMEOUT*5;
sock(CTCPSocket *)->timeout = TCP_TIMEOUT * 5;
// sendString(sock, line, 0);
TCPSocketSendString(sock, line);
@ -47,13 +46,15 @@ I64 GopherOpen(U8* host, U16 port, U8* selector, U8* query)
return sock;
}
public I64 GopherDl
(U8* host, U16 port = 70, U8* selector, U8* query = NULL, U8* dest)
#define GOPHER_BUFF_SIZE BLK_SIZE * 64
public I64 GopherDl(U8 *host, U16 port = 70, U8 *selector, U8 *query = NULL, U8 *dest)
{
CFile* f;
U8 buf[BLK_SIZE];
I64 data_len = 0, total_len = 0, got, sock;
CFile *f;
U8 buf[BLK_SIZE];
// U8 buf[GOPHER_BUFF_SIZE];
I64 data_len = 0, total_len = 0, got, sock;
f = FOpen(dest, "w");
if (!f)
{
@ -62,7 +63,7 @@ public I64 GopherDl
}
sock = GopherOpen(host, port, selector, query);
if (sock < 0)
if (sock <= 0)
{
return sock;
}
@ -74,6 +75,7 @@ public I64 GopherDl
if (got <= 0)
{
if (data_len != 0 && !FBlkWrite(f, buf))
// if (data_len != 0 && !FBlkWrite(f, buf,, GOPHER_BUFF_SIZE))
{
break;
}
@ -84,23 +86,27 @@ public I64 GopherDl
data_len += got;
total_len += got;
if (data_len == BLK_SIZE)
// if (data_len == GOPHER_BUFF_SIZE)
{
if (!FBlkWrite(f, buf))
// if (!FBlkWrite(f, buf,, GOPHER_BUFF_SIZE))
{
break;
}
data_len = 0;
}
}
PrintErr("Write failed, %s may be corrupted\n", dest);
FClose(f);
return -1;
}
U0 PrintEscaped(U8* txt, U8* backslashes = "")
U0 PrintEscaped(U8 *txt, U8 *backslashes = "")
{
U8* cur;
U8 offending;
U8 *cur;
U64 offending;
while (cur = StrFirstOcc(txt, "$$\\\""))
{
@ -116,26 +122,39 @@ U0 PrintEscaped(U8* txt, U8* backslashes = "")
}
txt = cur + 1;
}
"%s", txt;
}
U8* GopherBasename(U8* selector)
U8 *GopherBasename(U8 *selector)
{
U8* lastslash = StrLastOcc(selector, "/");
U8 *lastslash = StrLastOcc(selector, "/"), *result;
if (lastslash == NULL)
{
return selector;
result = selector;
}
else
{
return lastslash + 1;
result = lastslash + 1;
}
//BAD FOR FILENAMES: ? / | = %
result = StrReplace(result, "?", "");
result = StrReplace(result, "/", "",, TRUE);
result = StrReplace(result, "|", "",, TRUE);
result = StrReplace(result, "=", "",, TRUE);
result = StrReplace(result, "%", "",, TRUE);
// result = StrNew("TEST.TXT");
SysLog("%s\n", result);
return result;
}
U0 GopherTextView(U8* host, U16 port, U8* selector)
U0 GopherTextView(U8 *host, U16 port, U8 *selector)
{
U8* basename;
U8* tmpname;
U8 *basename;
U8 *tmpname;
DirMake("::/Tmp/Gopher");
@ -155,12 +174,12 @@ U0 GopherTextView(U8* host, U16 port, U8* selector)
Free(tmpname);
}
U0 GopherLine(U8* line)
U0 GopherLine(U8 *line)
{
U8 type;
U8* display;
U8* selector;
U8* host = NULL;
U64 type;
U8 *display;
U8 *selector;
U8 *host = NULL;
U16 port = 0;
if (*line == 0)
@ -202,7 +221,7 @@ U0 GopherLine(U8* line)
}
if (!*host)
return;
return;
switch (type)
{
@ -223,11 +242,10 @@ U0 GopherLine(U8* line)
"\n";
}
public I64 GopherMenu
(U8* host, U16 port = 70, U8* selector = "/", U8* query = NULL)
public I64 GopherMenu(U8 *host, U16 port = 70, U8 *selector = "/", U8 *query = NULL)
{
I64 sock, n;
U8 buf[256];
U8 buf[256];
sock = GopherOpen(host, port, selector, query);
if (sock <= 0)
@ -256,7 +274,7 @@ class CQueryForm
{
U8 query[65] format "$$DA-P,A=\"Query:%s\"$$";
};
U0 GopherQueryPrompt(U8* host, U16 port, U8* selector)
U0 GopherQueryPrompt(U8 *host, U16 port, U8 *selector)
{
CQueryForm form;
@ -271,12 +289,13 @@ class CDlForm
{
U8 name[256] format "$$DA-P,LEN=255,A=\"FileName:%s\"$$";
};
U0 GopherDlPrompt(U8* host, U16 port, U8* selector)
U0 GopherDlPrompt(U8 *host, U16 port, U8 *selector)
{
CDlForm form;
U8* basename;
CDlForm form;
U8 *basename;
basename = GopherBasename(selector);
MemSet(form.name, 0, 256);
MemCopy(form.name, basename,
MinI64(StrLen(basename), sizeof(form.name) - 1));
form.name[255] = 0;
@ -286,11 +305,21 @@ U0 GopherDlPrompt(U8* host, U16 port, U8* selector)
}
}
public I64 Gopher(U8 *hostname)
{
return GopherMenu(hostname);
}
MemSetI64(gopher_associations, "GopherDlPrompt", 256);
gopher_associations['0'] = "GopherTextView";
gopher_associations['1'] = "GopherMenu";
gopher_associations['7'] = "GopherQueryPrompt";
/* Include this file from your HomeSys, then add more associations */
/* Include this file from your Net/Load.CC, then add more associations */
"\n\nTry using GopherMenu to connect to a gopher server, for example:\n\n"
" $FG,2$GopherMenu(\"gopher.floodgap.com\");$FG$\n\n";
DocMax;
"\n\nTry using Gopher to connect to a gopher server, for example:"
"\n\n$FG,2$ Gopher(\"gopher.floodgap.com\");$FG$"
"\n\n$FG,2$ GopherMenu(\"eyeblea.ch\",70,\"/~zealos\");$FG$"
"\n\n$FG,2$ Gopher(\"codevoid.de\");$FG$"
"\n\n";

4
src/Home/Net/Protocols/TCP/TCP.CC
View file

@ -1449,7 +1449,7 @@ CTCPSocket *TCPConnectionCreate(U8 *hostname, U16 port)
if (current->family == AF_INET && (current->socket_type == 0 || current->socket_type == SOCKET_STREAM))
{ // TODO: IPV6 support !
socket_addr.address.address = EndianU32(current->address(CSocketAddressIPV4 *)->address.address); // ?? why are bits flipped here
socket_addr.address.address = EndianU32(current->address(CSocketAddressIPV4 *)->address.address); // ?? why are bits flipped here
AddressInfoFree(info);
result = TCPSocket(AF_INET);
@ -1458,7 +1458,7 @@ CTCPSocket *TCPConnectionCreate(U8 *hostname, U16 port)
NetErr("TCP CONNECTION CREATE: Failed to create new TCP Socket.");
return NULL;
}
result->timeout = TCP_TIMEOUT;
result->timeout = TCP_TIMEOUT * 3; // generous
error = TCPSocketConnect(result, &socket_addr);
if (error < 0)
{

3
src/Home/Net/Protocols/TCP/TCPHandler.CC
View file

@ -276,6 +276,9 @@ I64 TCPHandleRefuse(CIPV4Packet *packet, CTCPHeader *header, I64 length)
// review RFC Reset-Generation ...
if (Bt(&header->flags, TCPf_RST) && Bt(&header->flags, TCPf_ACK))
return 0; // bail: we probably sent an RST earlier, and this is the acknowledgement
de_index = TCPSend(packet->destination_ip_address,
EndianU16(header->destination_port),
packet->source_ip_address,

2
src/System/AutoComplete/ACInit.CC
View file

@ -150,7 +150,7 @@ public U0 ACInit(U8 *mask=NULL)
ACMainFileListTraverse(mask);
ACDWordsLoad;
RegDefault("AutoComplete", "ac.col = TEXT_COLS-31;ac.row = 10;");
RegDefault("AutoComplete", "ac.col = TEXT_COLS-34;ac.row = 10;");
RegExe("AutoComplete");
LBtr(&ac.flags, ACf_INIT_IN_PROGRESS);
LBts(&sys_run_level, RLf_AUTOCOMPLETE);