X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/51b2a0fc603c8e4fe667bf7a278bd1ce151e38a3..47d278dc7184606f751d015689e0c49eccde4547:/apt-pkg/acquire-method.cc

diff --git a/apt-pkg/acquire-method.cc b/apt-pkg/acquire-method.cc
index 2041fd9e9..82f2fb3ce 100644
--- a/apt-pkg/acquire-method.cc
+++ b/apt-pkg/acquire-method.cc
@@ -23,10 +23,18 @@
 #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 <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <string>
+#include <vector>
 #include <iostream>
 #include <stdio.h>
-#include <sys/signal.h>
 									/*}}}*/
 
 using namespace std;
@@ -95,12 +103,7 @@ void pkgAcqMethod::Fail(string Err,bool Transient)
    {
       std::cout << "400 URI Failure\nURI: " << Queue->Uri << "\n"
 		<< "Message: " << Err << " " << IP << "\n";
-      // Dequeue
-      FetchItem *Tmp = Queue;
-      Queue = Queue->Next;
-      delete Tmp;
-      if (Tmp == QueueBack)
-	 QueueBack = Queue;
+      Dequeue();
    }
    else
       std::cout << "400 URI Failure\nURI: <UNKNOWN>\nMessage: " << Err << "\n";
@@ -115,6 +118,18 @@ void pkgAcqMethod::Fail(string Err,bool Transient)
 
    std::cout << "\n" << std::flush;
 }
+									/*}}}*/
+// AcqMethod::DropPrivsOrDie - Drop privileges or die		/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgAcqMethod::DropPrivsOrDie()
+{
+   if (!DropPrivs()) {
+      Fail(false);
+      exit(112);	/* call the european emergency number */
+   }
+}
+
 									/*}}}*/
 // AcqMethod::URIStart - Indicate a download is starting		/*{{{*/
 // ---------------------------------------------------------------------
@@ -144,6 +159,16 @@ void pkgAcqMethod::URIStart(FetchResult &Res)
 // 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)
@@ -161,15 +186,8 @@ void pkgAcqMethod::URIDone(FetchResult &Res, FetchResult *Alt)
    if (Res.LastModified != 0)
       std::cout << "Last-Modified: " << TimeRFC1123(Res.LastModified) << "\n";
 
-   if (Res.MD5Sum.empty() == false)
-      std::cout << "MD5-Hash: " << Res.MD5Sum << "\n"
-		<< "MD5Sum-Hash: " << Res.MD5Sum << "\n";
-   if (Res.SHA1Sum.empty() == false)
-      std::cout << "SHA1-Hash: " << Res.SHA1Sum << "\n";
-   if (Res.SHA256Sum.empty() == false)
-      std::cout << "SHA256-Hash: " << Res.SHA256Sum << "\n";
-   if (Res.SHA512Sum.empty() == false)
-      std::cout << "SHA512-Hash: " << Res.SHA512Sum << "\n";
+   printHashStringList(&Res.Hashes);
+
    if (UsedMirror.empty() == false)
       std::cout << "UsedMirror: " << UsedMirror << "\n";
    if (Res.GPGVOutput.empty() == false)
@@ -197,27 +215,14 @@ void pkgAcqMethod::URIDone(FetchResult &Res, FetchResult *Alt)
       if (Alt->LastModified != 0)
 	 std::cout << "Alt-Last-Modified: " << TimeRFC1123(Alt->LastModified) << "\n";
 
-      if (Alt->MD5Sum.empty() == false)
-	 std::cout << "Alt-MD5-Hash: " << Alt->MD5Sum << "\n";
-      if (Alt->SHA1Sum.empty() == false)
-	 std::cout << "Alt-SHA1-Hash: " << Alt->SHA1Sum << "\n";
-      if (Alt->SHA256Sum.empty() == false)
-	 std::cout << "Alt-SHA256-Hash: " << Alt->SHA256Sum << "\n";
-      if (Alt->SHA512Sum.empty() == false)
-         std::cout << "Alt-SHA512-Hash: " << Alt->SHA512Sum << "\n";
-     
+      printHashStringList(&Alt->Hashes);
+
       if (Alt->IMSHit == true)
 	 std::cout << "Alt-IMS-Hit: true\n";
    }
 
    std::cout << "\n" << std::flush;
-
-   // Dequeue
-   FetchItem *Tmp = Queue;
-   Queue = Queue->Next;
-   delete Tmp;
-   if (Tmp == QueueBack)
-      QueueBack = Queue;
+   Dequeue();
 }
 									/*}}}*/
 // AcqMethod::MediaFail - Syncronous request for new media		/*{{{*/
@@ -358,6 +363,15 @@ int pkgAcqMethod::Run(bool Single)
 	       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));
+	    }
 	    Tmp->Next = 0;
 	    
 	    // Append it to the list
@@ -423,26 +437,14 @@ void pkgAcqMethod::Status(const char *Format,...)
 									/*}}}*/
 // 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)
 {
    std::cout << "103 Redirect\nURI: " << Queue->Uri << "\n"
 	     << "New-URI: " << NewURI << "\n"
 	     << "\n" << std::flush;
-
-   // 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;
+   Dequeue();
 }
                                                                         /*}}}*/
 // AcqMethod::FetchResult::FetchResult - Constructor			/*{{{*/
@@ -457,11 +459,16 @@ pkgAcqMethod::FetchResult::FetchResult() : LastModified(0),
 // ---------------------------------------------------------------------
 /* 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();
-   SHA512Sum = Hash.SHA512.Result();
+   Hashes = Hash.GetHashStringList();
+}
+									/*}}}*/
+void pkgAcqMethod::Dequeue() {						/*{{{*/
+   FetchItem const * const Tmp = Queue;
+   Queue = Queue->Next;
+   if (Tmp == QueueBack)
+      QueueBack = Queue;
+   delete Tmp;
 }
 									/*}}}*/