##################################################################### */
/*}}}*/
// Include Files /*{{{*/
+#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 <iostream>
#include <stdarg.h>
-#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
#include <unistd.h>
-#include <sys/signal.h>
+#include <string>
+#include <vector>
+#include <iostream>
+#include <stdio.h>
/*}}}*/
using namespace std;
/* 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");
+ std::cout <<"Local-Only: true\n";
if ((Flags & NeedsCleanup) == NeedsCleanup)
- strcat(End,"Needs-Cleanup: true\n");
+ std::cout << "Needs-Cleanup: true\n";
if ((Flags & Removable) == Removable)
- strcat(End,"Removable: true\n");
- strcat(End,"\n");
+ std::cout << "Removable: true\n";
- if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
- exit(100);
+ std::cout << "\n" << std::flush;
SetNonBlock(STDIN_FILENO,true);
void pkgAcqMethod::Fail(string Err,bool Transient)
{
// Strip out junk from the error messages
- for (string::iterator 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];
- char *End = S;
+
if (Queue != 0)
{
- End += snprintf(S,sizeof(S)-50,"400 URI Failure\nURI: %s\n"
- "Message: %s %s\n",Queue->Uri.c_str(), Err.c_str(), IP.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
- {
- End += snprintf(S,sizeof(S)-50,"400 URI Failure\nURI: <UNKNOWN>\n"
- "Message: %s\n",Err.c_str());
- }
+ std::cout << "400 URI Failure\nURI: <UNKNOWN>\nMessage: " << Err << "\n";
+
if(FailReason.empty() == false)
- End += snprintf(End,sizeof(S)-50 - (End - S),"FailReason: %s\n",FailReason.c_str());
+ std::cout << "FailReason: " << FailReason << "\n";
if (UsedMirror.empty() == false)
- End += snprintf(End,sizeof(S)-50 - (End - S),"UsedMirror: %s\n",UsedMirror.c_str());
- // Set the transient flag
+ 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)-4 - (End - S),"Size: %lu\n",Res.Size);
-
+ std::cout << "Size: " << Res.Size << "\n";
+
if (Res.LastModified != 0)
- End += snprintf(End,sizeof(S)-4 - (End - S),"Last-Modified: %s\n",
- TimeRFC1123(Res.LastModified).c_str());
-
+ std::cout << "Last-Modified: " << TimeRFC1123(Res.LastModified) << "\n";
+
if (Res.ResumePoint != 0)
- End += snprintf(End,sizeof(S)-4 - (End - S),"Resume-Point: %lu\n",
- Res.ResumePoint);
+ std::cout << "Resume-Point: " << Res.ResumePoint << "\n";
+
if (UsedMirror.empty() == false)
- End += snprintf(End,sizeof(S)-4 - (End - S),"UsedMirror: %s\n",UsedMirror.c_str());
-
- strcat(End,"\n");
- if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
- exit(100);
+ 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)-50 - (End - S),"Filename: %s\n",Res.Filename.c_str());
-
+ std::cout << "Filename: " << Res.Filename << "\n";
+
if (Res.Size != 0)
- End += snprintf(End,sizeof(S)-50 - (End - S),"Size: %lu\n",Res.Size);
-
+ std::cout << "Size: " << Res.Size << "\n";
+
if (Res.LastModified != 0)
- End += snprintf(End,sizeof(S)-50 - (End - S),"Last-Modified: %s\n",
- TimeRFC1123(Res.LastModified).c_str());
+ std::cout << "Last-Modified: " << TimeRFC1123(Res.LastModified) << "\n";
+
+ printHashStringList(&Res.Hashes);
- if (Res.MD5Sum.empty() == false)
+ if (UsedMirror.empty() == false)
+ std::cout << "UsedMirror: " << UsedMirror << "\n";
+ if (Res.GPGVOutput.empty() == false)
{
- End += snprintf(End,sizeof(S)-50 - (End - S),"MD5-Hash: %s\n",Res.MD5Sum.c_str());
- End += snprintf(End,sizeof(S)-50 - (End - S),"MD5Sum-Hash: %s\n",Res.MD5Sum.c_str());
+ std::cout << "GPGVOutput:\n";
+ for (vector<string>::const_iterator I = Res.GPGVOutput.begin();
+ I != Res.GPGVOutput.end(); ++I)
+ std::cout << " " << *I << "\n";
}
- if (Res.SHA1Sum.empty() == false)
- End += snprintf(End,sizeof(S)-50 - (End - S),"SHA1-Hash: %s\n",Res.SHA1Sum.c_str());
- if (Res.SHA256Sum.empty() == false)
- End += snprintf(End,sizeof(S)-50 - (End - S),"SHA256-Hash: %s\n",Res.SHA256Sum.c_str());
- if (UsedMirror.empty() == false)
- End += snprintf(End,sizeof(S)-50 - (End - S),"UsedMirror: %s\n",UsedMirror.c_str());
- if (Res.GPGVOutput.size() > 0)
- End += snprintf(End,sizeof(S)-50 - (End - S),"GPGVOutput:\n");
- for (vector<string>::iterator I = Res.GPGVOutput.begin();
- I != Res.GPGVOutput.end(); I++)
- End += snprintf(End,sizeof(S)-50 - (End - S), " %s\n", (*I).c_str());
if (Res.ResumePoint != 0)
- End += snprintf(End,sizeof(S)-50 - (End - S),"Resume-Point: %lu\n",
- Res.ResumePoint);
+ std::cout << "Resume-Point: " << 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)-50 - (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)-50 - (End - S),"Alt-Size: %lu\n",Alt->Size);
-
+ std::cout << "Alt-Size: " << Alt->Size << "\n";
+
if (Alt->LastModified != 0)
- End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-Last-Modified: %s\n",
- TimeRFC1123(Alt->LastModified).c_str());
-
- if (Alt->MD5Sum.empty() == false)
- End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-MD5-Hash: %s\n",
- Alt->MD5Sum.c_str());
- if (Alt->SHA1Sum.empty() == false)
- End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-SHA1-Hash: %s\n",
- Alt->SHA1Sum.c_str());
- if (Alt->SHA256Sum.empty() == false)
- End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-SHA256-Hash: %s\n",
- Alt->SHA256Sum.c_str());
-
+ std::cout << "Alt-Last-Modified: " << TimeRFC1123(Alt->LastModified) << "\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
I += Length + 1;
for (; I < MsgEnd && *I == ' '; I++);
- const char *Equals = I;
- for (; Equals < MsgEnd && *Equals != '='; Equals++);
- const char *End = Equals;
- for (; End < MsgEnd && *End != '\n'; End++);
- if (End == Equals)
+ 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)));
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)-4,"101 Log\n"
- "URI: %s\n"
- "UsedMirror: %s\n"
- "Message: ", UsedMirror.c_str(),
- CurrentURI.c_str());
- vsnprintf(S+Len,sizeof(S)-4-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)-4,"102 Status\n"
- "URI: %s\n"
- "UsedMirror: %s\n"
- "Message: ",UsedMirror.c_str(),
- CurrentURI.c_str());
-
- vsnprintf(S+Len,sizeof(S)-4-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 also manipulates the queue
- to keep the pipeline synchronized. */
+/* 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)
{
- string CurrentURI = "<UNKNOWN>";
- if (Queue != 0)
- CurrentURI = Queue->Uri;
-
- char S[1024];
- snprintf(S, sizeof(S)-50, "103 Redirect\nURI: %s\nNew-URI: %s\n\n",
- CurrentURI.c_str(), NewURI.c_str());
-
- if (write(STDOUT_FILENO,S,strlen(S)) != (ssize_t)strlen(S))
- exit(100);
-
- // Change the URI for the request.
- Queue->Uri = NewURI;
-
- /* To keep the pipeline synchronized, move the current request to
- the end of the queue, past the end of the current pipeline. */
- FetchItem *I;
- for (I = Queue; I->Next != 0; I = I->Next) ;
- I->Next = Queue;
- Queue = Queue->Next;
- I->Next->Next = 0;
- if (QueueBack == 0)
- QueueBack = I->Next;
+ 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)
{
}
/*}}}*/
// ---------------------------------------------------------------------
/* This hides the number of hashes we are supporting from the caller.
It just deals with the hash class. */
-void pkgAcqMethod::FetchResult::TakeHashes(Hashes &Hash)
+void pkgAcqMethod::FetchResult::TakeHashes(class Hashes &Hash)
{
- MD5Sum = Hash.MD5.Result();
- SHA1Sum = Hash.SHA1.Result();
- SHA256Sum = Hash.SHA256.Result();
+ 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() : d(NULL) {}
+pkgAcqMethod::FetchItem::~FetchItem() {}
+
+pkgAcqMethod::FetchResult::~FetchResult() {}
projects / apt.git / blobdiff