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-rw-r--r--methods/ftp.cc14
-rw-r--r--methods/ftp.h3
-rw-r--r--methods/http.cc13
-rw-r--r--methods/http.h4
-rw-r--r--methods/https.cc6
-rw-r--r--methods/https.h5
-rw-r--r--methods/server.cc8
-rw-r--r--methods/server.h4
8 files changed, 48 insertions, 9 deletions
diff --git a/methods/ftp.cc b/methods/ftp.cc
index ac76295f0..5b739ea06 100644
--- a/methods/ftp.cc
+++ b/methods/ftp.cc
@@ -849,7 +849,8 @@ bool FTPConn::Finalize()
/* This opens a data connection, sends REST and RETR and then
transfers the file over. */
bool FTPConn::Get(const char *Path,FileFd &To,unsigned long long Resume,
- Hashes &Hash,bool &Missing)
+ Hashes &Hash,bool &Missing, unsigned long long MaximumSize,
+ pkgAcqMethod *Owner)
{
Missing = false;
if (CreateDataFd() == false)
@@ -922,7 +923,14 @@ bool FTPConn::Get(const char *Path,FileFd &To,unsigned long long Resume,
{
Close();
return false;
- }
+ }
+
+ if (MaximumSize > 0 && To.Tell() > MaximumSize)
+ {
+ Owner->SetFailReason("MaximumSizeExceeded");
+ return _error->Error("Writing more data than expected (%llu > %llu)",
+ To.Tell(), MaximumSize);
+ }
}
// All done
@@ -1063,7 +1071,7 @@ bool FtpMethod::Fetch(FetchItem *Itm)
FailFd = Fd.Fd();
bool Missing;
- if (Server->Get(File,Fd,Res.ResumePoint,Hash,Missing) == false)
+ if (Server->Get(File,Fd,Res.ResumePoint,Hash,Missing,Itm->MaximumSize,this) == false)
{
Fd.Close();
diff --git a/methods/ftp.h b/methods/ftp.h
index dd92f0086..2efd28ec6 100644
--- a/methods/ftp.h
+++ b/methods/ftp.h
@@ -62,7 +62,8 @@ class FTPConn
bool Size(const char *Path,unsigned long long &Size);
bool ModTime(const char *Path, time_t &Time);
bool Get(const char *Path,FileFd &To,unsigned long long Resume,
- Hashes &MD5,bool &Missing);
+ Hashes &MD5,bool &Missing, unsigned long long MaximumSize,
+ pkgAcqMethod *Owner);
FTPConn(URI Srv);
~FTPConn();
diff --git a/methods/http.cc b/methods/http.cc
index f2a4a4db6..c00b439b7 100644
--- a/methods/http.cc
+++ b/methods/http.cc
@@ -64,7 +64,8 @@ const unsigned int CircleBuf::BW_HZ=10;
// CircleBuf::CircleBuf - Circular input buffer /*{{{*/
// ---------------------------------------------------------------------
/* */
-CircleBuf::CircleBuf(unsigned long long Size) : Size(Size), Hash(0)
+CircleBuf::CircleBuf(unsigned long long Size)
+ : Size(Size), Hash(0), TotalWriten(0)
{
Buf = new unsigned char[Size];
Reset();
@@ -80,6 +81,7 @@ void CircleBuf::Reset()
InP = 0;
OutP = 0;
StrPos = 0;
+ TotalWriten = 0;
MaxGet = (unsigned long long)-1;
OutQueue = string();
if (Hash != 0)
@@ -217,6 +219,8 @@ bool CircleBuf::Write(int Fd)
return false;
}
+
+ TotalWriten += Res;
if (Hash != 0)
Hash->Add(Buf + (OutP%Size),Res);
@@ -651,6 +655,13 @@ bool HttpServerState::Go(bool ToFile, FileFd * const File)
return _error->Errno("write",_("Error writing to output file"));
}
+ if (MaximumSize > 0 && File && File->Tell() > MaximumSize)
+ {
+ Owner->SetFailReason("MaximumSizeExceeded");
+ return _error->Error("Writing more data than expected (%llu > %llu)",
+ File->Tell(), MaximumSize);
+ }
+
// Handle commands from APT
if (FD_ISSET(STDIN_FILENO,&rfds))
{
diff --git a/methods/http.h b/methods/http.h
index 1df9fa07d..40a88a7be 100644
--- a/methods/http.h
+++ b/methods/http.h
@@ -63,6 +63,8 @@ class CircleBuf
public:
Hashes *Hash;
+ // total amount of data that got written so far
+ unsigned long long TotalWriten;
// Read data in
bool Read(int Fd);
@@ -81,8 +83,8 @@ class CircleBuf
bool ReadSpace() const {return Size - (InP - OutP) > 0;};
bool WriteSpace() const {return InP - OutP > 0;};
- // Dump everything
void Reset();
+ // Dump everything
void Stats();
CircleBuf(unsigned long long Size);
diff --git a/methods/https.cc b/methods/https.cc
index a74d2a38b..16d564b34 100644
--- a/methods/https.cc
+++ b/methods/https.cc
@@ -82,6 +82,12 @@ HttpsMethod::write_data(void *buffer, size_t size, size_t nmemb, void *userp)
if(me->File->Write(buffer, size*nmemb) != true)
return false;
+ if(me->Queue->MaximumSize > 0 && me->File->Tell() > me->Queue->MaximumSize)
+ {
+ me->SetFailReason("MaximumSizeExceeded");
+ return _error->Error("Writing more data than expected (%llu > %llu)",
+ me->TotalWritten, me->Queue->MaximumSize);
+ }
return size*nmemb;
}
diff --git a/methods/https.h b/methods/https.h
index 45d1f7f63..0387cb9b5 100644
--- a/methods/https.h
+++ b/methods/https.h
@@ -66,11 +66,12 @@ class HttpsMethod : public pkgAcqMethod
CURL *curl;
FetchResult Res;
HttpsServerState *Server;
+ unsigned long long TotalWritten;
public:
FileFd *File;
-
- HttpsMethod() : pkgAcqMethod("1.2",Pipeline | SendConfig), Server(NULL), File(NULL)
+
+ HttpsMethod() : pkgAcqMethod("1.2",Pipeline | SendConfig), Server(NULL), TotalWritten(0), File(NULL)
{
curl = curl_easy_init();
};
diff --git a/methods/server.cc b/methods/server.cc
index 4a961f454..82f9b4750 100644
--- a/methods/server.cc
+++ b/methods/server.cc
@@ -532,6 +532,11 @@ int ServerMethod::Loop()
// Run the data
bool Result = true;
+
+ // ensure we don't fetch too much
+ if (Queue->MaximumSize > 0)
+ Server->MaximumSize = Queue->MaximumSize;
+
if (Server->HaveContent)
Result = Server->RunData(File);
@@ -605,7 +610,10 @@ int ServerMethod::Loop()
QueueBack = Queue;
}
else
+ {
+ Server->Close();
Fail(true);
+ }
}
break;
}
diff --git a/methods/server.h b/methods/server.h
index aa692ea93..3093e00c9 100644
--- a/methods/server.h
+++ b/methods/server.h
@@ -49,6 +49,8 @@ struct ServerState
URI Proxy;
unsigned long TimeOut;
+ unsigned long long MaximumSize;
+
protected:
ServerMethod *Owner;
@@ -73,7 +75,7 @@ struct ServerState
bool Comp(URI Other) const {return Other.Host == ServerName.Host && Other.Port == ServerName.Port;};
virtual void Reset() {Major = 0; Minor = 0; Result = 0; Code[0] = '\0'; Size = 0;
StartPos = 0; Encoding = Closes; time(&Date); HaveContent = false;
- State = Header; Persistent = false; Pipeline = true;};
+ State = Header; Persistent = false; Pipeline = true; MaximumSize = 0;};
virtual bool WriteResponse(std::string const &Data) = 0;
/** \brief Transfer the data from the socket */