// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: acquire-method.cc,v 1.20 1999/08/04 02:39:13 jgg Exp $
+// $Id: acquire-method.cc,v 1.27.2.1 2003/12/24 23:09:17 mdz Exp $
/* ######################################################################
Acquire Method
This is a skeleton class that implements most of the functionality
- of a method and some usefull functions to make method implementation
+ of a method and some useful functions to make method implementation
simpler. The methods all derive this and specialize it. The most
complex implementation is the http method which needs to provide
pipelining, it runs the message engine at the same time it is
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/acquire-method.h"
-#endif
+#include <config.h>
+
#include <apt-pkg/acquire-method.h>
#include <apt-pkg/error.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/fileutl.h>
+#include <apt-pkg/hashes.h>
+#include <apt-pkg/md5.h>
+#include <apt-pkg/sha1.h>
+#include <apt-pkg/sha2.h>
-#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
#include <unistd.h>
+#include <string>
+#include <vector>
+#include <iostream>
+#include <stdio.h>
/*}}}*/
+using namespace std;
+
// AcqMethod::pkgAcqMethod - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* This constructs the initialization text */
pkgAcqMethod::pkgAcqMethod(const char *Ver,unsigned long Flags)
{
- char S[300] = "";
- char *End = S;
- strcat(End,"100 Capabilities\n");
- sprintf(End+strlen(End),"Version: %s\n",Ver);
+ std::cout << "100 Capabilities\n"
+ << "Version: " << Ver << "\n";
if ((Flags & SingleInstance) == SingleInstance)
- strcat(End,"Single-Instance: true\n");
-
+ std::cout << "Single-Instance: true\n";
+
if ((Flags & Pipeline) == Pipeline)
- strcat(End,"Pipeline: true\n");
-
+ std::cout << "Pipeline: true\n";
+
if ((Flags & SendConfig) == SendConfig)
- strcat(End,"Send-Config: true\n");
+ std::cout << "Send-Config: true\n";
if ((Flags & LocalOnly) == LocalOnly)
- strcat(End,"Local-Only: true\n");
- strcat(End,"\n");
+ std::cout <<"Local-Only: true\n";
- if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
- exit(100);
+ if ((Flags & NeedsCleanup) == NeedsCleanup)
+ std::cout << "Needs-Cleanup: true\n";
+
+ if ((Flags & Removable) == Removable)
+ std::cout << "Removable: true\n";
+
+ std::cout << "\n" << std::flush;
SetNonBlock(STDIN_FILENO,true);
{
string Err = "Undetermined Error";
if (_error->empty() == false)
- _error->PopMessage(Err);
- _error->Discard();
- Fail(Err,Transient);
+ {
+ Err.clear();
+ while (_error->empty() == false)
+ {
+ std::string msg;
+ if (_error->PopMessage(msg))
+ {
+ if (Err.empty() == false)
+ Err.append("\n");
+ Err.append(msg);
+ }
+ }
+ }
+ Fail(Err, Transient);
}
/*}}}*/
// AcqMethod::Fail - A fetch has failed /*{{{*/
void pkgAcqMethod::Fail(string Err,bool Transient)
{
// Strip out junk from the error messages
- for (char *I = Err.begin(); I != Err.end(); I++)
+ for (string::iterator I = Err.begin(); I != Err.end(); ++I)
{
if (*I == '\r')
*I = ' ';
if (*I == '\n')
*I = ' ';
}
-
- char S[1024];
+
if (Queue != 0)
{
- snprintf(S,sizeof(S),"400 URI Failure\nURI: %s\n"
- "Message: %s\n",Queue->Uri.c_str(),Err.c_str());
-
- // Dequeue
- FetchItem *Tmp = Queue;
- Queue = Queue->Next;
- delete Tmp;
- if (Tmp == QueueBack)
- QueueBack = Queue;
+ std::cout << "400 URI Failure\nURI: " << Queue->Uri << "\n"
+ << "Message: " << Err;
+ if (IP.empty() == false && _config->FindB("Acquire::Failure::ShowIP", true) == true)
+ std::cout << " " << IP;
+ std::cout << "\n";
+ Dequeue();
}
else
- snprintf(S,sizeof(S),"400 URI Failure\nURI: <UNKNOWN>\n"
- "Message: %s\n",Err.c_str());
-
- // Set the transient flag
+ std::cout << "400 URI Failure\nURI: <UNKNOWN>\nMessage: " << Err << "\n";
+
+ if(FailReason.empty() == false)
+ std::cout << "FailReason: " << FailReason << "\n";
+ if (UsedMirror.empty() == false)
+ std::cout << "UsedMirror: " << UsedMirror << "\n";
+ // Set the transient flag
if (Transient == true)
- strcat(S,"Transient-Failure: true\n\n");
- else
- strcat(S,"\n");
-
- if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
- exit(100);
+ std::cout << "Transient-Failure: true\n";
+
+ std::cout << "\n" << std::flush;
+}
+ /*}}}*/
+// AcqMethod::DropPrivsOrDie - Drop privileges or die /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgAcqMethod::DropPrivsOrDie()
+{
+ if (!DropPrivileges()) {
+ Fail(false);
+ exit(112); /* call the european emergency number */
+ }
}
+
/*}}}*/
// AcqMethod::URIStart - Indicate a download is starting /*{{{*/
// ---------------------------------------------------------------------
{
if (Queue == 0)
abort();
-
- char S[1024] = "";
- char *End = S;
-
- End += snprintf(S,sizeof(S),"200 URI Start\nURI: %s\n",Queue->Uri.c_str());
+
+ std::cout << "200 URI Start\n"
+ << "URI: " << Queue->Uri << "\n";
if (Res.Size != 0)
- End += snprintf(End,sizeof(S) - (End - S),"Size: %lu\n",Res.Size);
-
+ std::cout << "Size: " << std::to_string(Res.Size) << "\n";
+
if (Res.LastModified != 0)
- End += snprintf(End,sizeof(S) - (End - S),"Last-Modified: %s\n",
- TimeRFC1123(Res.LastModified).c_str());
-
+ std::cout << "Last-Modified: " << TimeRFC1123(Res.LastModified, true) << "\n";
+
if (Res.ResumePoint != 0)
- End += snprintf(End,sizeof(S) - (End - S),"Resume-Point: %lu\n",
- Res.ResumePoint);
-
- strcat(End,"\n");
- if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
- exit(100);
+ std::cout << "Resume-Point: " << std::to_string(Res.ResumePoint) << "\n";
+
+ if (UsedMirror.empty() == false)
+ std::cout << "UsedMirror: " << UsedMirror << "\n";
+
+ std::cout << "\n" << std::flush;
}
/*}}}*/
// AcqMethod::URIDone - A URI is finished /*{{{*/
// ---------------------------------------------------------------------
/* */
+static void printHashStringList(HashStringList const * const list)
+{
+ for (HashStringList::const_iterator hash = list->begin(); hash != list->end(); ++hash)
+ {
+ // very old compatibility name for MD5Sum
+ if (hash->HashType() == "MD5Sum")
+ std::cout << "MD5-Hash: " << hash->HashValue() << "\n";
+ std::cout << hash->HashType() << "-Hash: " << hash->HashValue() << "\n";
+ }
+}
void pkgAcqMethod::URIDone(FetchResult &Res, FetchResult *Alt)
{
if (Queue == 0)
abort();
-
- char S[1024] = "";
- char *End = S;
-
- End += snprintf(S,sizeof(S),"201 URI Done\nURI: %s\n",Queue->Uri.c_str());
+
+ std::cout << "201 URI Done\n"
+ << "URI: " << Queue->Uri << "\n";
if (Res.Filename.empty() == false)
- End += snprintf(End,sizeof(S) - (End - S),"Filename: %s\n",Res.Filename.c_str());
-
+ std::cout << "Filename: " << Res.Filename << "\n";
+
if (Res.Size != 0)
- End += snprintf(End,sizeof(S) - (End - S),"Size: %lu\n",Res.Size);
-
+ std::cout << "Size: " << std::to_string(Res.Size) << "\n";
+
if (Res.LastModified != 0)
- End += snprintf(End,sizeof(S) - (End - S),"Last-Modified: %s\n",
- TimeRFC1123(Res.LastModified).c_str());
+ std::cout << "Last-Modified: " << TimeRFC1123(Res.LastModified, true) << "\n";
- if (Res.MD5Sum.empty() == false)
- End += snprintf(End,sizeof(S) - (End - S),"MD5-Hash: %s\n",Res.MD5Sum.c_str());
+ printHashStringList(&Res.Hashes);
+
+ if (UsedMirror.empty() == false)
+ std::cout << "UsedMirror: " << UsedMirror << "\n";
+ if (Res.GPGVOutput.empty() == false)
+ {
+ std::cout << "GPGVOutput:\n";
+ for (vector<string>::const_iterator I = Res.GPGVOutput.begin();
+ I != Res.GPGVOutput.end(); ++I)
+ std::cout << " " << *I << "\n";
+ }
if (Res.ResumePoint != 0)
- End += snprintf(End,sizeof(S) - (End - S),"Resume-Point: %lu\n",
- Res.ResumePoint);
+ std::cout << "Resume-Point: " << std::to_string(Res.ResumePoint) << "\n";
if (Res.IMSHit == true)
- strcat(End,"IMS-Hit: true\n");
- End = S + strlen(S);
-
+ std::cout << "IMS-Hit: true\n";
+
if (Alt != 0)
{
if (Alt->Filename.empty() == false)
- End += snprintf(End,sizeof(S) - (End - S),"Alt-Filename: %s\n",Alt->Filename.c_str());
-
+ std::cout << "Alt-Filename: " << Alt->Filename << "\n";
+
if (Alt->Size != 0)
- End += snprintf(End,sizeof(S) - (End - S),"Alt-Size: %lu\n",Alt->Size);
-
+ std::cout << "Alt-Size: " << std::to_string(Alt->Size) << "\n";
+
if (Alt->LastModified != 0)
- End += snprintf(End,sizeof(S) - (End - S),"Alt-Last-Modified: %s\n",
- TimeRFC1123(Alt->LastModified).c_str());
-
- if (Alt->MD5Sum.empty() == false)
- End += snprintf(End,sizeof(S) - (End - S),"Alt-MD5-Hash: %s\n",
- Alt->MD5Sum.c_str());
-
+ std::cout << "Alt-Last-Modified: " << TimeRFC1123(Alt->LastModified, true) << "\n";
+
+ printHashStringList(&Alt->Hashes);
+
if (Alt->IMSHit == true)
- strcat(End,"Alt-IMS-Hit: true\n");
+ std::cout << "Alt-IMS-Hit: true\n";
}
-
- strcat(End,"\n");
- if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
- exit(100);
- // Dequeue
- FetchItem *Tmp = Queue;
- Queue = Queue->Next;
- delete Tmp;
- if (Tmp == QueueBack)
- QueueBack = Queue;
+ std::cout << "\n" << std::flush;
+ Dequeue();
}
/*}}}*/
// AcqMethod::MediaFail - Syncronous request for new media /*{{{*/
to be ackd */
bool pkgAcqMethod::MediaFail(string Required,string Drive)
{
- char S[1024];
- snprintf(S,sizeof(S),"403 Media Failure\nMedia: %s\nDrive: %s\n\n",
+ fprintf(stdout, "403 Media Failure\nMedia: %s\nDrive: %s\n",
Required.c_str(),Drive.c_str());
+ std::cout << "\n" << std::flush;
- if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
- exit(100);
-
vector<string> MyMessages;
/* Here we read messages until we find a 603, each non 603 message is
MyMessages.erase(MyMessages.begin());
}
- return !StringToBool(LookupTag(Message,"Fail"),false);
+ return !StringToBool(LookupTag(Message,"Failed"),false);
}
Messages.push_back(Message);
{
::Configuration &Cnf = *_config;
- const char *I = Message.begin();
+ const char *I = Message.c_str();
+ const char *MsgEnd = I + Message.length();
unsigned int Length = strlen("Config-Item");
- for (; I + Length < Message.end(); I++)
+ for (; I + Length < MsgEnd; I++)
{
// Not a config item
if (I[Length] != ':' || stringcasecmp(I,I+Length,"Config-Item") != 0)
I += Length + 1;
- for (; I < Message.end() && *I == ' '; I++);
- const char *Equals = I;
- for (; Equals < Message.end() && *Equals != '='; Equals++);
- const char *End = Equals;
- for (; End < Message.end() && *End != '\n'; End++);
- if (End == Equals)
+ for (; I < MsgEnd && *I == ' '; I++);
+ const char *Equals = (const char*) memchr(I, '=', MsgEnd - I);
+ if (Equals == NULL)
return false;
+ const char *End = (const char*) memchr(Equals, '\n', MsgEnd - Equals);
+ if (End == NULL)
+ End = MsgEnd;
Cnf.Set(DeQuoteString(string(I,Equals-I)),
DeQuoteString(string(Equals+1,End-Equals-1)));
{
if (Single == false)
if (WaitFd(STDIN_FILENO) == false)
- return 0;
-
+ break;
if (ReadMessages(STDIN_FILENO,Messages) == false)
- return 0;
+ break;
}
// Single mode exits if the message queue is empty
}
switch (Number)
- {
+ {
case 601:
if (Configuration(Message) == false)
return 100;
Tmp->Uri = LookupTag(Message,"URI");
Tmp->DestFile = LookupTag(Message,"FileName");
- if (StrToTime(LookupTag(Message,"Last-Modified"),Tmp->LastModified) == false)
+ if (RFC1123StrToTime(LookupTag(Message,"Last-Modified").c_str(),Tmp->LastModified) == false)
Tmp->LastModified = 0;
Tmp->IndexFile = StringToBool(LookupTag(Message,"Index-File"),false);
+ Tmp->FailIgnore = StringToBool(LookupTag(Message,"Fail-Ignore"),false);
+ Tmp->ExpectedHashes = HashStringList();
+ for (char const * const * t = HashString::SupportedHashes(); *t != NULL; ++t)
+ {
+ std::string tag = "Expected-";
+ tag.append(*t);
+ std::string const hash = LookupTag(Message, tag.c_str());
+ if (hash.empty() == false)
+ Tmp->ExpectedHashes.push_back(HashString(*t, hash));
+ }
+ char *End;
+ if (Tmp->ExpectedHashes.FileSize() > 0)
+ Tmp->MaximumSize = Tmp->ExpectedHashes.FileSize();
+ else
+ Tmp->MaximumSize = strtoll(LookupTag(Message, "Maximum-Size", "0").c_str(), &End, 10);
Tmp->Next = 0;
// Append it to the list
*I = Tmp;
if (QueueBack == 0)
QueueBack = Tmp;
-
+
// Notify that this item is to be fetched.
- if (Fetch(Tmp) == false)
+ if (URIAcquire(Message, Tmp) == false)
Fail();
-
- break;
- }
- }
+
+ break;
+ }
+ }
}
+ Exit();
return 0;
}
/*}}}*/
+// AcqMethod::PrintStatus - privately really send a log/status message /*{{{*/
+void pkgAcqMethod::PrintStatus(char const * const header, const char* Format,
+ va_list &args) const
+{
+ string CurrentURI = "<UNKNOWN>";
+ if (Queue != 0)
+ CurrentURI = Queue->Uri;
+ if (UsedMirror.empty() == true)
+ fprintf(stdout, "%s\nURI: %s\nMessage: ",
+ header, CurrentURI.c_str());
+ else
+ fprintf(stdout, "%s\nURI: %s\nUsedMirror: %s\nMessage: ",
+ header, CurrentURI.c_str(), UsedMirror.c_str());
+ vfprintf(stdout,Format,args);
+ std::cout << "\n\n" << std::flush;
+}
+ /*}}}*/
// AcqMethod::Log - Send a log message /*{{{*/
// ---------------------------------------------------------------------
/* */
void pkgAcqMethod::Log(const char *Format,...)
{
- string CurrentURI = "<UNKNOWN>";
- if (Queue != 0)
- CurrentURI = Queue->Uri;
-
va_list args;
va_start(args,Format);
-
- // sprintf the description
- char S[1024];
- unsigned int Len = snprintf(S,sizeof(S),"101 Log\nURI: %s\n"
- "Message: ",CurrentURI.c_str());
-
- vsnprintf(S+Len,sizeof(S)-Len,Format,args);
- strcat(S,"\n\n");
-
- if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
- exit(100);
+ PrintStatus("101 Log", Format, args);
+ va_end(args);
}
/*}}}*/
// AcqMethod::Status - Send a status message /*{{{*/
/* */
void pkgAcqMethod::Status(const char *Format,...)
{
- string CurrentURI = "<UNKNOWN>";
- if (Queue != 0)
- CurrentURI = Queue->Uri;
-
va_list args;
va_start(args,Format);
-
- // sprintf the description
- char S[1024];
- unsigned int Len = snprintf(S,sizeof(S),"102 Status\nURI: %s\n"
- "Message: ",CurrentURI.c_str());
-
- vsnprintf(S+Len,sizeof(S)-Len,Format,args);
- strcat(S,"\n\n");
-
- if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
- exit(100);
+ PrintStatus("102 Status", Format, args);
+ va_end(args);
}
/*}}}*/
-
+// AcqMethod::Redirect - Send a redirect message /*{{{*/
+// ---------------------------------------------------------------------
+/* This method sends the redirect message and dequeues the item as
+ * the worker will enqueue again later on to the right queue */
+void pkgAcqMethod::Redirect(const string &NewURI)
+{
+ std::cout << "103 Redirect\nURI: " << Queue->Uri << "\n"
+ << "New-URI: " << NewURI << "\n"
+ << "\n" << std::flush;
+ Dequeue();
+}
+ /*}}}*/
// AcqMethod::FetchResult::FetchResult - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* */
pkgAcqMethod::FetchResult::FetchResult() : LastModified(0),
- IMSHit(false), Size(0), ResumePoint(0)
+ IMSHit(false), Size(0), ResumePoint(0), d(NULL)
+{
+}
+ /*}}}*/
+// AcqMethod::FetchResult::TakeHashes - Load hashes /*{{{*/
+// ---------------------------------------------------------------------
+/* This hides the number of hashes we are supporting from the caller.
+ It just deals with the hash class. */
+void pkgAcqMethod::FetchResult::TakeHashes(class Hashes &Hash)
{
+ Hashes = Hash.GetHashStringList();
}
/*}}}*/
+void pkgAcqMethod::Dequeue() { /*{{{*/
+ FetchItem const * const Tmp = Queue;
+ Queue = Queue->Next;
+ if (Tmp == QueueBack)
+ QueueBack = Queue;
+ delete Tmp;
+}
+ /*}}}*/
+pkgAcqMethod::~pkgAcqMethod() {}
+
+pkgAcqMethod::FetchItem::FetchItem() :
+ Next(nullptr), DestFileFd(-1), LastModified(0), IndexFile(false),
+ FailIgnore(false), MaximumSize(0), d(nullptr)
+{}
+pkgAcqMethod::FetchItem::~FetchItem() {}
+pkgAcqMethod::FetchResult::~FetchResult() {}
projects / apt.git / blobdiff