#include <apt-pkg/strutl.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/md5.h>
+#include <apt-pkg/sha1.h>
+#include <apt-pkg/tagfile.h>
#include <apti18n.h>
#include <unistd.h>
#include <errno.h>
#include <string>
+#include <sstream>
#include <stdio.h>
/*}}}*/
{
// We just downloaded something..
string FileName = LookupTag(Message,"Filename");
- if (Complete == false && FileName == DestFile)
+ // we only inform the Log class if it was actually not a local thing
+ if (Complete == false && !Local && FileName == DestFile)
{
if (Owner->Log != 0)
Owner->Log->Fetched(Size,atoi(LookupTag(Message,"Resume-Point","0").c_str()));
}
/*}}}*/
+
+// AcqDiffIndex::AcqDiffIndex - Constructor
+// ---------------------------------------------------------------------
+/* Get the DiffIndex file first and see if there are patches availabe
+ * If so, create a pkgAcqIndexDiffs fetcher that will get and apply the
+ * patches. If anything goes wrong in that process, it will fall back to
+ * the original packages file
+ */
+pkgAcqDiffIndex::pkgAcqDiffIndex(pkgAcquire *Owner,
+ string URI,string URIDesc,string ShortDesc,
+ string ExpectedMD5)
+ : Item(Owner), RealURI(URI), ExpectedMD5(ExpectedMD5), Description(URIDesc)
+{
+
+ Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
+
+ Desc.Description = URIDesc + "/DiffIndex";
+ Desc.Owner = this;
+ Desc.ShortDesc = ShortDesc;
+ Desc.URI = URI + ".diff/Index";
+
+ DestFile = _config->FindDir("Dir::State::lists") + "partial/";
+ DestFile += URItoFileName(URI) + string(".DiffIndex");
+
+ if(Debug)
+ std::clog << "pkgAcqDiffIndex: " << Desc.URI << std::endl;
+
+ // look for the current package file
+ CurrentPackagesFile = _config->FindDir("Dir::State::lists");
+ CurrentPackagesFile += URItoFileName(RealURI);
+
+ // FIXME: this file:/ check is a hack to prevent fetching
+ // from local sources. this is really silly, and
+ // should be fixed cleanly as soon as possible
+ if(!FileExists(CurrentPackagesFile) ||
+ Desc.URI.substr(0,strlen("file:/")) == "file:/")
+ {
+ // we don't have a pkg file or we don't want to queue
+ if(Debug)
+ std::clog << "No index file, local or canceld by user" << std::endl;
+ Failed("", NULL);
+ return;
+ }
+
+ if(Debug)
+ std::clog << "pkgAcqIndexDiffs::pkgAcqIndexDiffs(): "
+ << CurrentPackagesFile << std::endl;
+
+ QueueURI(Desc);
+
+}
+
+// AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/
+// ---------------------------------------------------------------------
+/* The only header we use is the last-modified header. */
+string pkgAcqDiffIndex::Custom600Headers()
+{
+ string Final = _config->FindDir("Dir::State::lists");
+ Final += URItoFileName(RealURI) + string(".IndexDiff");
+
+ if(Debug)
+ std::clog << "Custom600Header-IMS: " << Final << std::endl;
+
+ struct stat Buf;
+ if (stat(Final.c_str(),&Buf) != 0)
+ return "\nIndex-File: true";
+
+ return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
+}
+
+
+bool pkgAcqDiffIndex::ParseDiffIndex(string IndexDiffFile)
+{
+ if(Debug)
+ std::clog << "pkgAcqIndexDiffs::ParseIndexDiff() " << IndexDiffFile
+ << std::endl;
+
+ pkgTagSection Tags;
+ string ServerSha1;
+ vector<DiffInfo> available_patches;
+
+ FileFd Fd(IndexDiffFile,FileFd::ReadOnly);
+ pkgTagFile TF(&Fd);
+ if (_error->PendingError() == true)
+ return false;
+
+ if(TF.Step(Tags) == true)
+ {
+ string local_sha1;
+ bool found = false;
+ DiffInfo d;
+ string size;
+
+ string tmp = Tags.FindS("SHA1-Current");
+ std::stringstream ss(tmp);
+ ss >> ServerSha1;
+
+ FileFd fd(CurrentPackagesFile, FileFd::ReadOnly);
+ SHA1Summation SHA1;
+ SHA1.AddFD(fd.Fd(), fd.Size());
+ local_sha1 = string(SHA1.Result());
+
+ if(local_sha1 == ServerSha1)
+ {
+ // we have the same sha1 as the server
+ if(Debug)
+ std::clog << "Package file is up-to-date" << std::endl;
+ // set found to true, this will queue a pkgAcqIndexDiffs with
+ // a empty availabe_patches
+ found = true;
+ }
+ else
+ {
+ if(Debug)
+ std::clog << "SHA1-Current: " << ServerSha1 << std::endl;
+
+ // check the historie and see what patches we need
+ string history = Tags.FindS("SHA1-History");
+ std::stringstream hist(history);
+ while(hist >> d.sha1 >> size >> d.file)
+ {
+ d.size = atoi(size.c_str());
+ // read until the first match is found
+ if(d.sha1 == local_sha1)
+ found=true;
+ // from that point on, we probably need all diffs
+ if(found)
+ {
+ if(Debug)
+ std::clog << "Need to get diff: " << d.file << std::endl;
+ available_patches.push_back(d);
+ }
+ }
+ }
+
+ // no information how to get the patches, bail out
+ if(!found)
+ {
+ if(Debug)
+ std::clog << "Can't find a patch in the index file" << std::endl;
+ // Failed will queue a big package file
+ Failed("", NULL);
+ }
+ else
+ {
+ // queue the diffs
+ new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc,
+ ExpectedMD5, available_patches);
+ Complete = false;
+ Status = StatDone;
+ Dequeue();
+ return true;
+ }
+ }
+
+ return false;
+}
+
+void pkgAcqDiffIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
+{
+ if(Debug)
+ std::clog << "pkgAcqDiffIndex failed: " << Desc.URI << std::endl
+ << "Falling back to normal index file aquire" << std::endl;
+
+ new pkgAcqIndex(Owner, RealURI, Description, Desc.ShortDesc,
+ ExpectedMD5);
+
+ Complete = false;
+ Status = StatDone;
+ Dequeue();
+}
+
+void pkgAcqDiffIndex::Done(string Message,unsigned long Size,string Md5Hash,
+ pkgAcquire::MethodConfig *Cnf)
+{
+ if(Debug)
+ std::clog << "pkgAcqDiffIndex::Done(): " << Desc.URI << std::endl;
+
+ Item::Done(Message,Size,Md5Hash,Cnf);
+
+ string FinalFile;
+ FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(RealURI);
+
+ // sucess in downloading the index
+ // rename the index
+ FinalFile += string(".IndexDiff");
+ if(Debug)
+ std::clog << "Renaming: " << DestFile << " -> " << FinalFile
+ << std::endl;
+ Rename(DestFile,FinalFile);
+ chmod(FinalFile.c_str(),0644);
+ DestFile = FinalFile;
+
+ if(!ParseDiffIndex(DestFile))
+ return Failed("", NULL);
+
+ Complete = true;
+ Status = StatDone;
+ Dequeue();
+ return;
+}
+
+
+
+// AcqIndexDiffs::AcqIndexDiffs - Constructor
+// ---------------------------------------------------------------------
+/* The package diff is added to the queue. one object is constructed
+ * for each diff and the index
+ */
+pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire *Owner,
+ string URI,string URIDesc,string ShortDesc,
+ string ExpectedMD5, vector<DiffInfo> diffs)
+ : Item(Owner), RealURI(URI), ExpectedMD5(ExpectedMD5),
+ available_patches(diffs)
+{
+
+ DestFile = _config->FindDir("Dir::State::lists") + "partial/";
+ DestFile += URItoFileName(URI);
+
+ Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
+
+ Desc.Description = URIDesc;
+ Desc.Owner = this;
+ Desc.ShortDesc = ShortDesc;
+
+ if(available_patches.size() == 0)
+ {
+ // we are done (yeah!)
+ Finish(true);
+ }
+ else
+ {
+ // get the next diff
+ State = StateFetchDiff;
+ QueueNextDiff();
+ }
+}
+
+
+void pkgAcqIndexDiffs::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
+{
+ if(Debug)
+ std::clog << "pkgAcqIndexDiffs failed: " << Desc.URI << std::endl
+ << "Falling back to normal index file aquire" << std::endl;
+ new pkgAcqIndex(Owner, RealURI, Description,Desc.ShortDesc,
+ ExpectedMD5);
+ Finish();
+}
+
+
+// helper that cleans the item out of the fetcher queue
+void pkgAcqIndexDiffs::Finish(bool allDone)
+{
+ // we restore the original name, this is required, otherwise
+ // the file will be cleaned
+ if(allDone)
+ {
+ DestFile = _config->FindDir("Dir::State::lists");
+ DestFile += URItoFileName(RealURI);
+
+ // do the final md5sum checking
+ MD5Summation sum;
+ FileFd Fd(DestFile, FileFd::ReadOnly);
+ sum.AddFD(Fd.Fd(), Fd.Size());
+ Fd.Close();
+ string MD5 = (string)sum.Result();
+
+ if (!ExpectedMD5.empty() && MD5 != ExpectedMD5)
+ {
+ Status = StatAuthError;
+ ErrorText = _("MD5Sum mismatch");
+ Rename(DestFile,DestFile + ".FAILED");
+ Dequeue();
+ return;
+ }
+
+ // this is for the "real" finish
+ Complete = true;
+ Status = StatDone;
+ Dequeue();
+ if(Debug)
+ std::clog << "\n\nallDone: " << DestFile << "\n" << std::endl;
+ return;
+ }
+
+ if(Debug)
+ std::clog << "Finishing: " << Desc.URI << std::endl;
+ Complete = false;
+ Status = StatDone;
+ Dequeue();
+ return;
+}
+
+
+
+bool pkgAcqIndexDiffs::QueueNextDiff()
+{
+
+ // calc sha1 of the just patched file
+ string FinalFile = _config->FindDir("Dir::State::lists");
+ FinalFile += URItoFileName(RealURI);
+
+ FileFd fd(FinalFile, FileFd::ReadOnly);
+ SHA1Summation SHA1;
+ SHA1.AddFD(fd.Fd(), fd.Size());
+ string local_sha1 = string(SHA1.Result());
+ if(Debug)
+ std::clog << "QueueNextDiff: "
+ << FinalFile << " (" << local_sha1 << ")"<<std::endl;
+
+ // remove all patches until the next matching patch is found
+ // this requires the Index file to be ordered
+ for(vector<DiffInfo>::iterator I=available_patches.begin();
+ available_patches.size() > 0 &&
+ I != available_patches.end() &&
+ (*I).sha1 != local_sha1;
+ I++)
+ {
+ available_patches.erase(I);
+ }
+
+ // error checking and falling back if no patch was found
+ if(available_patches.size() == 0)
+ {
+ Failed("", NULL);
+ return false;
+ }
+
+ // queue the right diff
+ Desc.URI = string(RealURI) + ".diff/" + available_patches[0].file + ".gz";
+ Desc.Description = available_patches[0].file + string(".pdiff");
+
+ DestFile = _config->FindDir("Dir::State::lists") + "partial/";
+ DestFile += URItoFileName(RealURI + ".diff/" + available_patches[0].file);
+
+ if(Debug)
+ std::clog << "pkgAcqIndexDiffs::QueueNextDiff(): " << Desc.URI << std::endl;
+
+ QueueURI(Desc);
+
+ return true;
+}
+
+
+
+void pkgAcqIndexDiffs::Done(string Message,unsigned long Size,string Md5Hash,
+ pkgAcquire::MethodConfig *Cnf)
+{
+ if(Debug)
+ std::clog << "pkgAcqIndexDiffs::Done(): " << Desc.URI << std::endl;
+
+ Item::Done(Message,Size,Md5Hash,Cnf);
+
+ string FinalFile;
+ FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(RealURI);
+
+ // sucess in downloading a diff, enter ApplyDiff state
+ if(State == StateFetchDiff)
+ {
+
+ if(Debug)
+ std::clog << "Sending to gzip method: " << FinalFile << std::endl;
+
+ string FileName = LookupTag(Message,"Filename");
+ State = StateUnzipDiff;
+ Local = true;
+ Desc.URI = "gzip:" + FileName;
+ DestFile += ".decomp";
+ QueueURI(Desc);
+ Mode = "gzip";
+ return;
+ }
+
+ // sucess in downloading a diff, enter ApplyDiff state
+ if(State == StateUnzipDiff)
+ {
+
+ // rred excepts the patch as $FinalFile.ed
+ Rename(DestFile,FinalFile+".ed");
+
+ if(Debug)
+ std::clog << "Sending to rred method: " << FinalFile << std::endl;
+
+ State = StateApplyDiff;
+ Local = true;
+ Desc.URI = "rred:" + FinalFile;
+ QueueURI(Desc);
+ Mode = "rred";
+ return;
+ }
+
+
+ // success in download/apply a diff, queue next (if needed)
+ if(State == StateApplyDiff)
+ {
+ // remove the just applied patch
+ available_patches.erase(available_patches.begin());
+
+ // move into place
+ if(Debug)
+ {
+ std::clog << "Moving patched file in place: " << std::endl
+ << DestFile << " -> " << FinalFile << std::endl;
+ }
+ Rename(DestFile,FinalFile);
+
+ // see if there is more to download
+ if(available_patches.size() > 0) {
+ new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc,
+ ExpectedMD5, available_patches);
+ return Finish();
+ } else
+ return Finish(true);
+ }
+}
+
+
// AcqIndex::AcqIndex - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* The package file is added to the queue and a second class is
instantiated to fetch the revision file */
pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner,
string URI,string URIDesc,string ShortDesc,
- string ExpectedMD5, string comprExt) :
- Item(Owner), RealURI(URI), ExpectedMD5(ExpectedMD5)
+ string ExpectedMD5, string comprExt)
+ : Item(Owner), RealURI(URI), ExpectedMD5(ExpectedMD5)
{
Decompression = false;
Erase = false;
}
}
- // Queue Packages file
- new pkgAcqIndex(Owner, (*Target)->URI, (*Target)->Description,
- (*Target)->ShortDesc, ExpectedIndexMD5);
+ // Queue Packages file (either diff or full packages files, depending
+ // on the users option)
+ if(_config->FindB("Acquire::PDiffs",false) == false)
+ new pkgAcqDiffIndex(Owner, (*Target)->URI, (*Target)->Description,
+ (*Target)->ShortDesc, ExpectedIndexMD5);
+ else
+ new pkgAcqIndex(Owner, (*Target)->URI, (*Target)->Description,
+ (*Target)->ShortDesc, ExpectedIndexMD5);
}
}
virtual ~Item();
};
+// item for index diffs
+
+struct DiffInfo {
+ string file;
+ string sha1;
+ unsigned long size;
+};
+
+class pkgAcqDiffIndex : public pkgAcquire::Item
+{
+ protected:
+ bool Debug;
+ pkgAcquire::ItemDesc Desc;
+ string RealURI;
+ string ExpectedMD5;
+ string CurrentPackagesFile;
+ string Description;
+
+ public:
+ // Specialized action members
+ virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf);
+ virtual void Done(string Message,unsigned long Size,string Md5Hash,
+ pkgAcquire::MethodConfig *Cnf);
+ virtual string DescURI() {return RealURI + "Index";};
+ virtual string Custom600Headers();
+
+ // helpers
+ bool ParseDiffIndex(string IndexDiffFile);
+
+ pkgAcqDiffIndex(pkgAcquire *Owner,string URI,string URIDesc,
+ string ShortDesct, string ExpectedMD5);
+};
+
+class pkgAcqIndexDiffs : public pkgAcquire::Item
+{
+ protected:
+ bool Debug;
+ pkgAcquire::ItemDesc Desc;
+ string RealURI;
+ string ExpectedMD5;
+
+ // this is the SHA-1 sum we expect after the patching
+ string Description;
+ vector<DiffInfo> available_patches;
+ enum {StateFetchIndex,StateFetchDiff,StateUnzipDiff,StateApplyDiff} State;
+
+ public:
+
+ // Specialized action members
+ virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf);
+ virtual void Done(string Message,unsigned long Size,string Md5Hash,
+ pkgAcquire::MethodConfig *Cnf);
+ virtual string DescURI() {return RealURI + "Index";};
+
+ // various helpers
+ bool QueueNextDiff();
+ bool ApplyDiff(string PatchFile);
+ void Finish(bool allDone=false);
+
+ pkgAcqIndexDiffs(pkgAcquire *Owner,string URI,string URIDesc,
+ string ShortDesct, string ExpectedMD5,
+ vector<DiffInfo> diffs=vector<DiffInfo>());
+};
+
// Item class for index files
class pkgAcqIndex : public pkgAcquire::Item
{
Size -= Res;
MD5.Add(Buf,Res);
SHA1.Add(Buf,Res);
+ SHA256.Add(Buf,Res);
}
return true;
}
#include <apt-pkg/md5.h>
#include <apt-pkg/sha1.h>
+#include <apt-pkg/sha256.h>
#include <algorithm>
MD5Summation MD5;
SHA1Summation SHA1;
+ SHA256Summation SHA256;
inline bool Add(const unsigned char *Data,unsigned long Size)
{
- return MD5.Add(Data,Size) && SHA1.Add(Data,Size);
+ return MD5.Add(Data,Size) && SHA1.Add(Data,Size) && SHA256.Add(Data,Size);
};
inline bool Add(const char *Data) {return Add((unsigned char *)Data,strlen(Data));};
bool AddFD(int Fd,unsigned long Size);
--- /dev/null
+/*
+ * Cryptographic API.
+ *
+ * SHA-256, as specified in
+ * http://csrc.nist.gov/cryptval/shs/sha256-384-512.pdf
+ *
+ * SHA-256 code by Jean-Luc Cooke <jlcooke@certainkey.com>.
+ *
+ * Copyright (c) Jean-Luc Cooke <jlcooke@certainkey.com>
+ * Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk>
+ * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
+ *
+ * Ported from the Linux kernel to Apt by Anthony Towns <ajt@debian.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ */
+#define SHA256_DIGEST_SIZE 32
+#define SHA256_HMAC_BLOCK_SIZE 64
+
+#define ror32(value,bits) (((value) >> (bits)) | ((value) << (32 - (bits))))
+
+#include <apt-pkg/sha256.h>
+#include <apt-pkg/strutl.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <arpa/inet.h>
+
+typedef uint32_t u32;
+typedef uint8_t u8;
+
+static inline u32 Ch(u32 x, u32 y, u32 z)
+{
+ return z ^ (x & (y ^ z));
+}
+
+static inline u32 Maj(u32 x, u32 y, u32 z)
+{
+ return (x & y) | (z & (x | y));
+}
+
+#define e0(x) (ror32(x, 2) ^ ror32(x,13) ^ ror32(x,22))
+#define e1(x) (ror32(x, 6) ^ ror32(x,11) ^ ror32(x,25))
+#define s0(x) (ror32(x, 7) ^ ror32(x,18) ^ (x >> 3))
+#define s1(x) (ror32(x,17) ^ ror32(x,19) ^ (x >> 10))
+
+#define H0 0x6a09e667
+#define H1 0xbb67ae85
+#define H2 0x3c6ef372
+#define H3 0xa54ff53a
+#define H4 0x510e527f
+#define H5 0x9b05688c
+#define H6 0x1f83d9ab
+#define H7 0x5be0cd19
+
+static inline void LOAD_OP(int I, u32 *W, const u8 *input)
+{
+ W[I] = ntohl( ((u32*)(input))[I] );
+}
+
+static inline void BLEND_OP(int I, u32 *W)
+{
+ W[I] = s1(W[I-2]) + W[I-7] + s0(W[I-15]) + W[I-16];
+}
+
+static void sha256_transform(u32 *state, const u8 *input)
+{
+ u32 a, b, c, d, e, f, g, h, t1, t2;
+ u32 W[64];
+ int i;
+
+ /* load the input */
+ for (i = 0; i < 16; i++)
+ LOAD_OP(i, W, input);
+
+ /* now blend */
+ for (i = 16; i < 64; i++)
+ BLEND_OP(i, W);
+
+ /* load the state into our registers */
+ a=state[0]; b=state[1]; c=state[2]; d=state[3];
+ e=state[4]; f=state[5]; g=state[6]; h=state[7];
+
+ /* now iterate */
+ t1 = h + e1(e) + Ch(e,f,g) + 0x428a2f98 + W[ 0];
+ t2 = e0(a) + Maj(a,b,c); d+=t1; h=t1+t2;
+ t1 = g + e1(d) + Ch(d,e,f) + 0x71374491 + W[ 1];
+ t2 = e0(h) + Maj(h,a,b); c+=t1; g=t1+t2;
+ t1 = f + e1(c) + Ch(c,d,e) + 0xb5c0fbcf + W[ 2];
+ t2 = e0(g) + Maj(g,h,a); b+=t1; f=t1+t2;
+ t1 = e + e1(b) + Ch(b,c,d) + 0xe9b5dba5 + W[ 3];
+ t2 = e0(f) + Maj(f,g,h); a+=t1; e=t1+t2;
+ t1 = d + e1(a) + Ch(a,b,c) + 0x3956c25b + W[ 4];
+ t2 = e0(e) + Maj(e,f,g); h+=t1; d=t1+t2;
+ t1 = c + e1(h) + Ch(h,a,b) + 0x59f111f1 + W[ 5];
+ t2 = e0(d) + Maj(d,e,f); g+=t1; c=t1+t2;
+ t1 = b + e1(g) + Ch(g,h,a) + 0x923f82a4 + W[ 6];
+ t2 = e0(c) + Maj(c,d,e); f+=t1; b=t1+t2;
+ t1 = a + e1(f) + Ch(f,g,h) + 0xab1c5ed5 + W[ 7];
+ t2 = e0(b) + Maj(b,c,d); e+=t1; a=t1+t2;
+
+ t1 = h + e1(e) + Ch(e,f,g) + 0xd807aa98 + W[ 8];
+ t2 = e0(a) + Maj(a,b,c); d+=t1; h=t1+t2;
+ t1 = g + e1(d) + Ch(d,e,f) + 0x12835b01 + W[ 9];
+ t2 = e0(h) + Maj(h,a,b); c+=t1; g=t1+t2;
+ t1 = f + e1(c) + Ch(c,d,e) + 0x243185be + W[10];
+ t2 = e0(g) + Maj(g,h,a); b+=t1; f=t1+t2;
+ t1 = e + e1(b) + Ch(b,c,d) + 0x550c7dc3 + W[11];
+ t2 = e0(f) + Maj(f,g,h); a+=t1; e=t1+t2;
+ t1 = d + e1(a) + Ch(a,b,c) + 0x72be5d74 + W[12];
+ t2 = e0(e) + Maj(e,f,g); h+=t1; d=t1+t2;
+ t1 = c + e1(h) + Ch(h,a,b) + 0x80deb1fe + W[13];
+ t2 = e0(d) + Maj(d,e,f); g+=t1; c=t1+t2;
+ t1 = b + e1(g) + Ch(g,h,a) + 0x9bdc06a7 + W[14];
+ t2 = e0(c) + Maj(c,d,e); f+=t1; b=t1+t2;
+ t1 = a + e1(f) + Ch(f,g,h) + 0xc19bf174 + W[15];
+ t2 = e0(b) + Maj(b,c,d); e+=t1; a=t1+t2;
+
+ t1 = h + e1(e) + Ch(e,f,g) + 0xe49b69c1 + W[16];
+ t2 = e0(a) + Maj(a,b,c); d+=t1; h=t1+t2;
+ t1 = g + e1(d) + Ch(d,e,f) + 0xefbe4786 + W[17];
+ t2 = e0(h) + Maj(h,a,b); c+=t1; g=t1+t2;
+ t1 = f + e1(c) + Ch(c,d,e) + 0x0fc19dc6 + W[18];
+ t2 = e0(g) + Maj(g,h,a); b+=t1; f=t1+t2;
+ t1 = e + e1(b) + Ch(b,c,d) + 0x240ca1cc + W[19];
+ t2 = e0(f) + Maj(f,g,h); a+=t1; e=t1+t2;
+ t1 = d + e1(a) + Ch(a,b,c) + 0x2de92c6f + W[20];
+ t2 = e0(e) + Maj(e,f,g); h+=t1; d=t1+t2;
+ t1 = c + e1(h) + Ch(h,a,b) + 0x4a7484aa + W[21];
+ t2 = e0(d) + Maj(d,e,f); g+=t1; c=t1+t2;
+ t1 = b + e1(g) + Ch(g,h,a) + 0x5cb0a9dc + W[22];
+ t2 = e0(c) + Maj(c,d,e); f+=t1; b=t1+t2;
+ t1 = a + e1(f) + Ch(f,g,h) + 0x76f988da + W[23];
+ t2 = e0(b) + Maj(b,c,d); e+=t1; a=t1+t2;
+
+ t1 = h + e1(e) + Ch(e,f,g) + 0x983e5152 + W[24];
+ t2 = e0(a) + Maj(a,b,c); d+=t1; h=t1+t2;
+ t1 = g + e1(d) + Ch(d,e,f) + 0xa831c66d + W[25];
+ t2 = e0(h) + Maj(h,a,b); c+=t1; g=t1+t2;
+ t1 = f + e1(c) + Ch(c,d,e) + 0xb00327c8 + W[26];
+ t2 = e0(g) + Maj(g,h,a); b+=t1; f=t1+t2;
+ t1 = e + e1(b) + Ch(b,c,d) + 0xbf597fc7 + W[27];
+ t2 = e0(f) + Maj(f,g,h); a+=t1; e=t1+t2;
+ t1 = d + e1(a) + Ch(a,b,c) + 0xc6e00bf3 + W[28];
+ t2 = e0(e) + Maj(e,f,g); h+=t1; d=t1+t2;
+ t1 = c + e1(h) + Ch(h,a,b) + 0xd5a79147 + W[29];
+ t2 = e0(d) + Maj(d,e,f); g+=t1; c=t1+t2;
+ t1 = b + e1(g) + Ch(g,h,a) + 0x06ca6351 + W[30];
+ t2 = e0(c) + Maj(c,d,e); f+=t1; b=t1+t2;
+ t1 = a + e1(f) + Ch(f,g,h) + 0x14292967 + W[31];
+ t2 = e0(b) + Maj(b,c,d); e+=t1; a=t1+t2;
+
+ t1 = h + e1(e) + Ch(e,f,g) + 0x27b70a85 + W[32];
+ t2 = e0(a) + Maj(a,b,c); d+=t1; h=t1+t2;
+ t1 = g + e1(d) + Ch(d,e,f) + 0x2e1b2138 + W[33];
+ t2 = e0(h) + Maj(h,a,b); c+=t1; g=t1+t2;
+ t1 = f + e1(c) + Ch(c,d,e) + 0x4d2c6dfc + W[34];
+ t2 = e0(g) + Maj(g,h,a); b+=t1; f=t1+t2;
+ t1 = e + e1(b) + Ch(b,c,d) + 0x53380d13 + W[35];
+ t2 = e0(f) + Maj(f,g,h); a+=t1; e=t1+t2;
+ t1 = d + e1(a) + Ch(a,b,c) + 0x650a7354 + W[36];
+ t2 = e0(e) + Maj(e,f,g); h+=t1; d=t1+t2;
+ t1 = c + e1(h) + Ch(h,a,b) + 0x766a0abb + W[37];
+ t2 = e0(d) + Maj(d,e,f); g+=t1; c=t1+t2;
+ t1 = b + e1(g) + Ch(g,h,a) + 0x81c2c92e + W[38];
+ t2 = e0(c) + Maj(c,d,e); f+=t1; b=t1+t2;
+ t1 = a + e1(f) + Ch(f,g,h) + 0x92722c85 + W[39];
+ t2 = e0(b) + Maj(b,c,d); e+=t1; a=t1+t2;
+
+ t1 = h + e1(e) + Ch(e,f,g) + 0xa2bfe8a1 + W[40];
+ t2 = e0(a) + Maj(a,b,c); d+=t1; h=t1+t2;
+ t1 = g + e1(d) + Ch(d,e,f) + 0xa81a664b + W[41];
+ t2 = e0(h) + Maj(h,a,b); c+=t1; g=t1+t2;
+ t1 = f + e1(c) + Ch(c,d,e) + 0xc24b8b70 + W[42];
+ t2 = e0(g) + Maj(g,h,a); b+=t1; f=t1+t2;
+ t1 = e + e1(b) + Ch(b,c,d) + 0xc76c51a3 + W[43];
+ t2 = e0(f) + Maj(f,g,h); a+=t1; e=t1+t2;
+ t1 = d + e1(a) + Ch(a,b,c) + 0xd192e819 + W[44];
+ t2 = e0(e) + Maj(e,f,g); h+=t1; d=t1+t2;
+ t1 = c + e1(h) + Ch(h,a,b) + 0xd6990624 + W[45];
+ t2 = e0(d) + Maj(d,e,f); g+=t1; c=t1+t2;
+ t1 = b + e1(g) + Ch(g,h,a) + 0xf40e3585 + W[46];
+ t2 = e0(c) + Maj(c,d,e); f+=t1; b=t1+t2;
+ t1 = a + e1(f) + Ch(f,g,h) + 0x106aa070 + W[47];
+ t2 = e0(b) + Maj(b,c,d); e+=t1; a=t1+t2;
+
+ t1 = h + e1(e) + Ch(e,f,g) + 0x19a4c116 + W[48];
+ t2 = e0(a) + Maj(a,b,c); d+=t1; h=t1+t2;
+ t1 = g + e1(d) + Ch(d,e,f) + 0x1e376c08 + W[49];
+ t2 = e0(h) + Maj(h,a,b); c+=t1; g=t1+t2;
+ t1 = f + e1(c) + Ch(c,d,e) + 0x2748774c + W[50];
+ t2 = e0(g) + Maj(g,h,a); b+=t1; f=t1+t2;
+ t1 = e + e1(b) + Ch(b,c,d) + 0x34b0bcb5 + W[51];
+ t2 = e0(f) + Maj(f,g,h); a+=t1; e=t1+t2;
+ t1 = d + e1(a) + Ch(a,b,c) + 0x391c0cb3 + W[52];
+ t2 = e0(e) + Maj(e,f,g); h+=t1; d=t1+t2;
+ t1 = c + e1(h) + Ch(h,a,b) + 0x4ed8aa4a + W[53];
+ t2 = e0(d) + Maj(d,e,f); g+=t1; c=t1+t2;
+ t1 = b + e1(g) + Ch(g,h,a) + 0x5b9cca4f + W[54];
+ t2 = e0(c) + Maj(c,d,e); f+=t1; b=t1+t2;
+ t1 = a + e1(f) + Ch(f,g,h) + 0x682e6ff3 + W[55];
+ t2 = e0(b) + Maj(b,c,d); e+=t1; a=t1+t2;
+
+ t1 = h + e1(e) + Ch(e,f,g) + 0x748f82ee + W[56];
+ t2 = e0(a) + Maj(a,b,c); d+=t1; h=t1+t2;
+ t1 = g + e1(d) + Ch(d,e,f) + 0x78a5636f + W[57];
+ t2 = e0(h) + Maj(h,a,b); c+=t1; g=t1+t2;
+ t1 = f + e1(c) + Ch(c,d,e) + 0x84c87814 + W[58];
+ t2 = e0(g) + Maj(g,h,a); b+=t1; f=t1+t2;
+ t1 = e + e1(b) + Ch(b,c,d) + 0x8cc70208 + W[59];
+ t2 = e0(f) + Maj(f,g,h); a+=t1; e=t1+t2;
+ t1 = d + e1(a) + Ch(a,b,c) + 0x90befffa + W[60];
+ t2 = e0(e) + Maj(e,f,g); h+=t1; d=t1+t2;
+ t1 = c + e1(h) + Ch(h,a,b) + 0xa4506ceb + W[61];
+ t2 = e0(d) + Maj(d,e,f); g+=t1; c=t1+t2;
+ t1 = b + e1(g) + Ch(g,h,a) + 0xbef9a3f7 + W[62];
+ t2 = e0(c) + Maj(c,d,e); f+=t1; b=t1+t2;
+ t1 = a + e1(f) + Ch(f,g,h) + 0xc67178f2 + W[63];
+ t2 = e0(b) + Maj(b,c,d); e+=t1; a=t1+t2;
+
+ state[0] += a; state[1] += b; state[2] += c; state[3] += d;
+ state[4] += e; state[5] += f; state[6] += g; state[7] += h;
+
+ /* clear any sensitive info... */
+ a = b = c = d = e = f = g = h = t1 = t2 = 0;
+ memset(W, 0, 64 * sizeof(u32));
+}
+
+SHA256Summation::SHA256Summation()
+{
+ Sum.state[0] = H0;
+ Sum.state[1] = H1;
+ Sum.state[2] = H2;
+ Sum.state[3] = H3;
+ Sum.state[4] = H4;
+ Sum.state[5] = H5;
+ Sum.state[6] = H6;
+ Sum.state[7] = H7;
+ Sum.count[0] = Sum.count[1] = 0;
+ memset(Sum.buf, 0, sizeof(Sum.buf));
+ Done = false;
+}
+
+bool SHA256Summation::Add(const u8 *data, unsigned long len)
+{
+ struct sha256_ctx *sctx = ∑
+ unsigned int i, index, part_len;
+
+ if (Done) return false;
+
+ /* Compute number of bytes mod 128 */
+ index = (unsigned int)((sctx->count[0] >> 3) & 0x3f);
+
+ /* Update number of bits */
+ if ((sctx->count[0] += (len << 3)) < (len << 3)) {
+ sctx->count[1]++;
+ sctx->count[1] += (len >> 29);
+ }
+
+ part_len = 64 - index;
+
+ /* Transform as many times as possible. */
+ if (len >= part_len) {
+ memcpy(&sctx->buf[index], data, part_len);
+ sha256_transform(sctx->state, sctx->buf);
+
+ for (i = part_len; i + 63 < len; i += 64)
+ sha256_transform(sctx->state, &data[i]);
+ index = 0;
+ } else {
+ i = 0;
+ }
+
+ /* Buffer remaining input */
+ memcpy(&sctx->buf[index], &data[i], len-i);
+
+ return true;
+}
+
+SHA256SumValue SHA256Summation::Result()
+{
+ struct sha256_ctx *sctx = ∑
+ if (!Done) {
+ u8 bits[8];
+ unsigned int index, pad_len, t;
+ static const u8 padding[64] = { 0x80, };
+
+ /* Save number of bits */
+ t = sctx->count[0];
+ bits[7] = t; t >>= 8;
+ bits[6] = t; t >>= 8;
+ bits[5] = t; t >>= 8;
+ bits[4] = t;
+ t = sctx->count[1];
+ bits[3] = t; t >>= 8;
+ bits[2] = t; t >>= 8;
+ bits[1] = t; t >>= 8;
+ bits[0] = t;
+
+ /* Pad out to 56 mod 64. */
+ index = (sctx->count[0] >> 3) & 0x3f;
+ pad_len = (index < 56) ? (56 - index) : ((64+56) - index);
+ Add(padding, pad_len);
+
+ /* Append length (before padding) */
+ Add(bits, 8);
+ }
+
+ Done = true;
+
+ /* Store state in digest */
+
+ SHA256SumValue res;
+ u8 *out = res.Sum;
+
+ int i, j;
+ unsigned int t;
+ for (i = j = 0; i < 8; i++, j += 4) {
+ t = sctx->state[i];
+ out[j+3] = t; t >>= 8;
+ out[j+2] = t; t >>= 8;
+ out[j+1] = t; t >>= 8;
+ out[j ] = t;
+ }
+
+ return res;
+}
+
+// SHA256SumValue::SHA256SumValue - Constructs the sum from a string /*{{{*/
+// ---------------------------------------------------------------------
+/* The string form of a SHA256 is a 64 character hex number */
+SHA256SumValue::SHA256SumValue(string Str)
+{
+ memset(Sum,0,sizeof(Sum));
+ Set(Str);
+}
+
+ /*}}}*/
+// SHA256SumValue::SHA256SumValue - Default constructor /*{{{*/
+// ---------------------------------------------------------------------
+/* Sets the value to 0 */
+SHA256SumValue::SHA256SumValue()
+{
+ memset(Sum,0,sizeof(Sum));
+}
+
+ /*}}}*/
+// SHA256SumValue::Set - Set the sum from a string /*{{{*/
+// ---------------------------------------------------------------------
+/* Converts the hex string into a set of chars */
+bool SHA256SumValue::Set(string Str)
+{
+ return Hex2Num(Str,Sum,sizeof(Sum));
+}
+ /*}}}*/
+// SHA256SumValue::Value - Convert the number into a string /*{{{*/
+// ---------------------------------------------------------------------
+/* Converts the set of chars into a hex string in lower case */
+string SHA256SumValue::Value() const
+{
+ char Conv[16] =
+ { '0','1','2','3','4','5','6','7','8','9','a','b',
+ 'c','d','e','f'
+ };
+ char Result[65];
+ Result[64] = 0;
+
+ // Convert each char into two letters
+ int J = 0;
+ int I = 0;
+ for (; I != 64; J++,I += 2)
+ {
+ Result[I] = Conv[Sum[J] >> 4];
+ Result[I + 1] = Conv[Sum[J] & 0xF];
+ }
+
+ return string(Result);
+}
+
+
+
+// SHA256SumValue::operator == - Comparator /*{{{*/
+// ---------------------------------------------------------------------
+/* Call memcmp on the buffer */
+bool SHA256SumValue::operator == (const SHA256SumValue & rhs) const
+{
+ return memcmp(Sum,rhs.Sum,sizeof(Sum)) == 0;
+}
+ /*}}}*/
+
+
+// SHA256Summation::AddFD - Add content of file into the checksum /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool SHA256Summation::AddFD(int Fd,unsigned long Size)
+{
+ unsigned char Buf[64 * 64];
+ int Res = 0;
+ int ToEOF = (Size == 0);
+ while (Size != 0 || ToEOF)
+ {
+ unsigned n = sizeof(Buf);
+ if (!ToEOF) n = min(Size,(unsigned long)n);
+ Res = read(Fd,Buf,n);
+ if (Res < 0 || (!ToEOF && (unsigned) Res != n)) // error, or short read
+ return false;
+ if (ToEOF && Res == 0) // EOF
+ break;
+ Size -= Res;
+ Add(Buf,Res);
+ }
+ return true;
+}
+ /*}}}*/
+
--- /dev/null
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+// $Id: sha1.h,v 1.3 2001/05/07 05:05:47 jgg Exp $
+/* ######################################################################
+
+ SHA256SumValue - Storage for a SHA-256 hash.
+ SHA256Summation - SHA-256 Secure Hash Algorithm.
+
+ This is a C++ interface to a set of SHA256Sum functions, that mirrors
+ the equivalent MD5 & SHA1 classes.
+
+ ##################################################################### */
+ /*}}}*/
+#ifndef APTPKG_SHA256_H
+#define APTPKG_SHA256_H
+
+#ifdef __GNUG__
+#pragma interface "apt-pkg/sha256.h"
+#endif
+
+#include <string>
+#include <algorithm>
+#include <stdint.h>
+
+using std::string;
+using std::min;
+
+class SHA256Summation;
+
+class SHA256SumValue
+{
+ friend class SHA256Summation;
+ unsigned char Sum[32];
+
+ public:
+
+ // Accessors
+ bool operator ==(const SHA256SumValue &rhs) const;
+ string Value() const;
+ inline void Value(unsigned char S[32])
+ {for (int I = 0; I != sizeof(Sum); I++) S[I] = Sum[I];};
+ inline operator string() const {return Value();};
+ bool Set(string Str);
+ inline void Set(unsigned char S[32])
+ {for (int I = 0; I != sizeof(Sum); I++) Sum[I] = S[I];};
+
+ SHA256SumValue(string Str);
+ SHA256SumValue();
+};
+
+struct sha256_ctx {
+ uint32_t count[2];
+ uint32_t state[8];
+ uint8_t buf[128];
+};
+
+class SHA256Summation
+{
+ struct sha256_ctx Sum;
+
+ bool Done;
+
+ public:
+
+ bool Add(const unsigned char *inbuf,unsigned long inlen);
+ inline bool Add(const char *Data) {return Add((unsigned char *)Data,strlen(Data));};
+ bool AddFD(int Fd,unsigned long Size);
+ inline bool Add(const unsigned char *Beg,const unsigned char *End)
+ {return Add(Beg,End-Beg);};
+ SHA256SumValue Result();
+
+ SHA256Summation();
+};
+
+#endif
# Source code for the contributed non-core things
SOURCE = contrib/mmap.cc contrib/error.cc contrib/strutl.cc \
contrib/configuration.cc contrib/progress.cc contrib/cmndline.cc \
- contrib/md5.cc contrib/sha1.cc contrib/hashes.cc \
+ contrib/md5.cc contrib/sha1.cc contrib/sha256.cc contrib/hashes.cc \
contrib/cdromutl.cc contrib/crc-16.cc \
contrib/fileutl.cc
HEADERS = mmap.h error.h configuration.h fileutl.h cmndline.h \
- md5.h crc-16.h cdromutl.h strutl.h sptr.h sha1.h hashes.h
+ md5.h crc-16.h cdromutl.h strutl.h sptr.h sha1.h sha256.h hashes.h
# Source code for the core main library
SOURCE+= pkgcache.cc version.cc depcache.cc \
"Filename",
"Size",
"MD5Sum",
- "SHA1Sum",
+ "SHA1",
+ "SHA256",
"MSDOS-Filename", // Obsolete
"Description",
0};
AC_CONFIG_HEADER(include/config.h:buildlib/config.h.in include/apti18n.h:buildlib/apti18n.h.in)
dnl -- SET THIS TO THE RELEASE VERSION --
-AC_DEFINE_UNQUOTED(VERSION,"0.6.43.4")
+AC_DEFINE_UNQUOTED(VERSION,"0.6.44")
PACKAGE="apt"
AC_DEFINE_UNQUOTED(PACKAGE,"$PACKAGE")
AC_SUBST(PACKAGE)
+apt (0.6.44) unstable; urgency=low
+
+ * apt-ftparchive --db now uses Berkeley DB_BTREE instead of DB_HASH.
+ If you use a database created by an older version of apt, delete
+ it and allow it to be recreated the next time.
+
+ -- Michael Vogt <mvo@debian.org> Wed, 26 Apr 2006 12:57:53 +0200
+
apt (0.5.25) unstable; urgency=low
* apt-ftparchive --db now uses Berkeley DB version 4.2. If used with a
apt (0.6.44) unstable; urgency=low
* apt-pkg/acquire.cc: don't show ETA if it is 0 or absurdely large
+ * apt-pkg/contrib/sha256.{cc,h},hashes.{cc,h}: support for sha256
+ (thanks to Anthony Towns)
+ * ftparchive/cachedb.{cc,h},writer.{cc,h}: optimizations
+ (thanks to Anthony Towns)
+ * apt pdiff support from experimental merged
+ * apt-pkg/deb/dpkgpm.cc: wording fixes (thanks to Matt Zimmerman)
* apt-pkg/deb/dpkgpm.cc:
- wording fixes (thanks to Matt Zimmerman)
- - fix error in dpkg interaction (closes: #364513,
- thanks to Martin Dickopp)
+ - fix error in dpkg interaction (closes: #364513, thanks to Martin Dickopp)
* apt-pkg/tagfile.{cc,h}:
- use MMap to read the entries (thanks to Zephaniah E. Hull for the
patch) Closes: #350025
- fix documentation for "SrcPackages" -> "Sources"
(thanks to Bart Martens for the patch, closes: #307756)
- -- Michael Vogt <michael.vogt@ubuntu.com> Tue, 25 Apr 2006 09:34:20 +0200
+ -- Michael Vogt <mvo@debian.org> Sun, 2 Apr 2006 16:41:54 +0200
apt (0.6.43.3) unstable; urgency=low
Queue-Mode "host"; // host|access
Retries "0";
Source-Symlinks "true";
+
+ PDiffs "true"; // try to get the IndexFile diffs
// HTTP method configuration
http
#include <apti18n.h>
#include <apt-pkg/error.h>
#include <apt-pkg/md5.h>
+#include <apt-pkg/sha1.h>
+#include <apt-pkg/sha256.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/configuration.h>
return true;
db_create(&Dbp, NULL, 0);
- if ((err = Dbp->open(Dbp, NULL, DB.c_str(), NULL, DB_HASH,
+ if ((err = Dbp->open(Dbp, NULL, DB.c_str(), NULL, DB_BTREE,
(ReadOnly?DB_RDONLY:DB_CREATE),
0644)) != 0)
{
(ReadOnly?DB_RDONLY:DB_CREATE), 0644);
}
+ // the database format has changed from DB_HASH to DB_BTREE in
+ // apt 0.6.44
+ if (err == EINVAL)
+ {
+ _error->Error(_("DB format is invalid. If you upgraded from a older version of apt, please remove and re-create the database."));
+ }
if (err)
{
Dbp = 0;
return true;
}
/*}}}*/
-// CacheDB::SetFile - Select a file to be working with /*{{{*/
+// CacheDB::OpenFile - Open the filei /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool CacheDB::OpenFile()
+{
+ Fd = new FileFd(FileName,FileFd::ReadOnly);
+ if (_error->PendingError() == true)
+ {
+ delete Fd;
+ Fd = NULL;
+ return false;
+ }
+ return true;
+}
+ /*}}}*/
+// CacheDB::GetFileStat - Get stats from the file /*{{{*/
+// ---------------------------------------------------------------------
+/* This gets the size from the database if it's there. If we need
+ * to look at the file, also get the mtime from the file. */
+bool CacheDB::GetFileStat()
+{
+ if ((CurStat.Flags & FlSize) == FlSize)
+ {
+ /* Already worked out the file size */
+ }
+ else
+ {
+ /* Get it from the file. */
+ if (Fd == NULL && OpenFile() == false)
+ {
+ return false;
+ }
+ // Stat the file
+ struct stat St;
+ if (fstat(Fd->Fd(),&St) != 0)
+ {
+ return _error->Errno("fstat",
+ _("Failed to stat %s"),FileName.c_str());
+ }
+ CurStat.FileSize = St.st_size;
+ CurStat.mtime = htonl(St.st_mtime);
+ CurStat.Flags |= FlSize;
+ }
+ return true;
+}
+ /*}}}*/
+// CacheDB::GetCurStat - Set the CurStat variable. /*{{{*/
// ---------------------------------------------------------------------
-/* All future actions will be performed against this file */
-bool CacheDB::SetFile(string FileName,struct stat St,FileFd *Fd)
+/* Sets the CurStat variable. Either to 0 if no database is used
+ * or to the value in the database if one is used */
+bool CacheDB::GetCurStat()
{
- delete DebFile;
- DebFile = 0;
- this->FileName = FileName;
- this->Fd = Fd;
- this->FileStat = St;
- FileStat = St;
memset(&CurStat,0,sizeof(CurStat));
- Stats.Bytes += St.st_size;
- Stats.Packages++;
-
- if (DBLoaded == false)
- return true;
+ if (DBLoaded)
+ {
+ /* First see if thre is anything about it
+ in the database */
+ /* Get the flags (and mtime) */
InitQuery("st");
-
// Ensure alignment of the returned structure
Data.data = &CurStat;
Data.ulen = sizeof(CurStat);
Data.flags = DB_DBT_USERMEM;
- // Lookup the stat info and confirm the file is unchanged
- if (Get() == true)
- {
- if (CurStat.mtime != htonl(St.st_mtime))
+ if (Get() == false)
{
- CurStat.mtime = htonl(St.st_mtime);
CurStat.Flags = 0;
- _error->Warning(_("File date has changed %s"),FileName.c_str());
}
+ CurStat.Flags = ntohl(CurStat.Flags);
+ CurStat.FileSize = ntohl(CurStat.FileSize);
}
- else
+ return true;
+}
+ /*}}}*/
+// CacheDB::GetFileInfo - Get all the info about the file /*{{{*/
+// ---------------------------------------------------------------------
+bool CacheDB::GetFileInfo(string FileName, bool DoControl, bool DoContents,
+ bool GenContentsOnly,
+ bool DoMD5, bool DoSHA1, bool DoSHA256)
+{
+ this->FileName = FileName;
+
+ if (GetCurStat() == false)
{
- CurStat.mtime = htonl(St.st_mtime);
- CurStat.Flags = 0;
+ return false;
}
- CurStat.Flags = ntohl(CurStat.Flags);
OldStat = CurStat;
+
+ if (GetFileStat() == false)
+ {
+ delete Fd;
+ Fd = NULL;
+ return false;
+ }
+
+ Stats.Bytes += CurStat.FileSize;
+ Stats.Packages++;
+
+ if (DoControl && LoadControl() == false
+ || DoContents && LoadContents(GenContentsOnly) == false
+ || DoMD5 && GetMD5(false) == false
+ || DoSHA1 && GetSHA1(false) == false
+ || DoSHA256 && GetSHA256(false) == false)
+ {
+ delete Fd;
+ Fd = NULL;
+ delete DebFile;
+ DebFile = NULL;
+ return false;
+ }
+
+ delete Fd;
+ Fd = NULL;
+ delete DebFile;
+ DebFile = NULL;
+
return true;
}
/*}}}*/
CurStat.Flags &= ~FlControl;
}
+ if (Fd == NULL && OpenFile() == false)
+ {
+ return false;
+ }
// Create a deb instance to read the archive
if (DebFile == 0)
{
CurStat.Flags &= ~FlContents;
}
+ if (Fd == NULL && OpenFile() == false)
+ {
+ return false;
+ }
// Create a deb instance to read the archive
if (DebFile == 0)
{
return true;
}
/*}}}*/
+
+static string bytes2hex(uint8_t *bytes, size_t length) {
+ char space[65];
+ if (length * 2 > sizeof(space) - 1) length = (sizeof(space) - 1) / 2;
+ for (size_t i = 0; i < length; i++)
+ snprintf(&space[i*2], 3, "%02x", bytes[i]);
+ return string(space);
+}
+
+static inline unsigned char xdig2num(char dig) {
+ if (isdigit(dig)) return dig - '0';
+ if ('a' <= dig && dig <= 'f') return dig - 'a' + 10;
+ if ('A' <= dig && dig <= 'F') return dig - 'A' + 10;
+ return 0;
+}
+
+static void hex2bytes(uint8_t *bytes, const char *hex, int length) {
+ while (length-- > 0) {
+ *bytes = 0;
+ if (isxdigit(hex[0]) && isxdigit(hex[1])) {
+ *bytes = xdig2num(hex[0]) * 16 + xdig2num(hex[1]);
+ hex += 2;
+ }
+ bytes++;
+ }
+}
+
// CacheDB::GetMD5 - Get the MD5 hash /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool CacheDB::GetMD5(string &MD5Res,bool GenOnly)
+bool CacheDB::GetMD5(bool GenOnly)
{
// Try to read the control information out of the DB.
if ((CurStat.Flags & FlMD5) == FlMD5)
if (GenOnly == true)
return true;
- InitQuery("m5");
- if (Get() == true)
- {
- MD5Res = string((char *)Data.data,Data.size);
+ MD5Res = bytes2hex(CurStat.MD5, sizeof(CurStat.MD5));
return true;
}
- CurStat.Flags &= ~FlMD5;
- }
- Stats.MD5Bytes += FileStat.st_size;
+ Stats.MD5Bytes += CurStat.FileSize;
+ if (Fd == NULL && OpenFile() == false)
+ {
+ return false;
+ }
MD5Summation MD5;
- if (Fd->Seek(0) == false || MD5.AddFD(Fd->Fd(),FileStat.st_size) == false)
+ if (Fd->Seek(0) == false || MD5.AddFD(Fd->Fd(),CurStat.FileSize) == false)
return false;
MD5Res = MD5.Result();
- InitQuery("m5");
- if (Put(MD5Res.c_str(),MD5Res.length()) == true)
+ hex2bytes(CurStat.MD5, MD5Res.data(), sizeof(CurStat.MD5));
CurStat.Flags |= FlMD5;
return true;
}
/*}}}*/
+// CacheDB::GetSHA1 - Get the SHA1 hash /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool CacheDB::GetSHA1(bool GenOnly)
+{
+ // Try to read the control information out of the DB.
+ if ((CurStat.Flags & FlSHA1) == FlSHA1)
+ {
+ if (GenOnly == true)
+ return true;
+
+ SHA1Res = bytes2hex(CurStat.SHA1, sizeof(CurStat.SHA1));
+ return true;
+ }
+
+ Stats.SHA1Bytes += CurStat.FileSize;
+
+ if (Fd == NULL && OpenFile() == false)
+ {
+ return false;
+ }
+ SHA1Summation SHA1;
+ if (Fd->Seek(0) == false || SHA1.AddFD(Fd->Fd(),CurStat.FileSize) == false)
+ return false;
+
+ SHA1Res = SHA1.Result();
+ hex2bytes(CurStat.SHA1, SHA1Res.data(), sizeof(CurStat.SHA1));
+ CurStat.Flags |= FlSHA1;
+ return true;
+}
+ /*}}}*/
+// CacheDB::GetSHA256 - Get the SHA256 hash /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool CacheDB::GetSHA256(bool GenOnly)
+{
+ // Try to read the control information out of the DB.
+ if ((CurStat.Flags & FlSHA256) == FlSHA256)
+ {
+ if (GenOnly == true)
+ return true;
+
+ SHA256Res = bytes2hex(CurStat.SHA256, sizeof(CurStat.SHA256));
+ return true;
+ }
+
+ Stats.SHA256Bytes += CurStat.FileSize;
+
+ if (Fd == NULL && OpenFile() == false)
+ {
+ return false;
+ }
+ SHA256Summation SHA256;
+ if (Fd->Seek(0) == false || SHA256.AddFD(Fd->Fd(),CurStat.FileSize) == false)
+ return false;
+
+ SHA256Res = SHA256.Result();
+ hex2bytes(CurStat.SHA256, SHA256Res.data(), sizeof(CurStat.SHA256));
+ CurStat.Flags |= FlSHA256;
+ return true;
+}
+ /*}}}*/
// CacheDB::Finish - Write back the cache structure /*{{{*/
// ---------------------------------------------------------------------
/* */
// Write the stat information
CurStat.Flags = htonl(CurStat.Flags);
+ CurStat.FileSize = htonl(CurStat.FileSize);
InitQuery("st");
Put(&CurStat,sizeof(CurStat));
CurStat.Flags = ntohl(CurStat.Flags);
+ CurStat.FileSize = ntohl(CurStat.FileSize);
+
return true;
}
/*}}}*/
{
if (stringcmp((char *)Key.data,Colon,"st") == 0 ||
stringcmp((char *)Key.data,Colon,"cn") == 0 ||
- stringcmp((char *)Key.data,Colon,"m5") == 0 ||
stringcmp((char *)Key.data,Colon,"cl") == 0)
{
if (FileExists(string(Colon+1,(const char *)Key.data+Key.size)) == true)
memset(&Key,0,sizeof(Key));
memset(&Data,0,sizeof(Data));
Key.data = TmpKey;
- Key.size = snprintf(TmpKey,sizeof(TmpKey),"%s:%s",Type,FileName.c_str());
+ Key.size = snprintf(TmpKey,sizeof(TmpKey),"%s:%s",FileName.c_str(), Type);
}
inline bool Get()
}
return true;
}
+ bool OpenFile();
+ bool GetFileStat();
+ bool GetCurStat();
+ bool LoadControl();
+ bool LoadContents(bool GenOnly);
+ bool GetMD5(bool GenOnly);
+ bool GetSHA1(bool GenOnly);
+ bool GetSHA256(bool GenOnly);
// Stat info stored in the DB, Fixed types since it is written to disk.
- enum FlagList {FlControl = (1<<0),FlMD5=(1<<1),FlContents=(1<<2)};
+ enum FlagList {FlControl = (1<<0),FlMD5=(1<<1),FlContents=(1<<2),
+ FlSize=(1<<3), FlSHA1=(1<<4), FlSHA256=(1<<5)};
struct StatStore
{
- time_t mtime;
uint32_t Flags;
+ uint32_t mtime;
+ uint32_t FileSize;
+ uint8_t MD5[16];
+ uint8_t SHA1[20];
+ uint8_t SHA256[32];
} CurStat;
struct StatStore OldStat;
// 'set' state
string FileName;
- struct stat FileStat;
FileFd *Fd;
debDebFile *DebFile;
// Data collection helpers
debDebFile::MemControlExtract Control;
ContentsExtract Contents;
+ string MD5Res;
+ string SHA1Res;
+ string SHA256Res;
// Runtime statistics
struct Stats
{
double Bytes;
double MD5Bytes;
+ double SHA1Bytes;
+ double SHA256Bytes;
unsigned long Packages;
unsigned long Misses;
unsigned long DeLinkBytes;
- inline void Add(const Stats &S) {Bytes += S.Bytes; MD5Bytes += S.MD5Bytes;
+ inline void Add(const Stats &S) {
+ Bytes += S.Bytes; MD5Bytes += S.MD5Bytes; SHA1Bytes += S.SHA1Bytes;
+ SHA256Bytes += S.SHA256Bytes;
Packages += S.Packages; Misses += S.Misses; DeLinkBytes += S.DeLinkBytes;};
- Stats() : Bytes(0), MD5Bytes(0), Packages(0), Misses(0), DeLinkBytes(0) {};
+ Stats() : Bytes(0), MD5Bytes(0), SHA1Bytes(0), SHA256Bytes(0), Packages(0), Misses(0), DeLinkBytes(0) {};
} Stats;
bool ReadyDB(string DB);
inline bool DBFailed() {return Dbp != 0 && DBLoaded == false;};
inline bool Loaded() {return DBLoaded == true;};
+ inline off_t GetFileSize(void) {return CurStat.FileSize;}
+
bool SetFile(string FileName,struct stat St,FileFd *Fd);
- bool LoadControl();
- bool LoadContents(bool GenOnly);
- bool GetMD5(string &MD5Res,bool GenOnly);
+ bool GetFileInfo(string FileName, bool DoControl, bool DoContents,
+ bool GenContentsOnly, bool DoMD5, bool DoSHA1, bool DoSHA256);
bool Finish();
bool Clean();
- CacheDB(string DB) : Dbp(0), DebFile(0) {ReadyDB(DB);};
+ CacheDB(string DB) : Dbp(0), Fd(NULL), DebFile(0) {ReadyDB(DB);};
~CacheDB() {ReadyDB(string()); delete DebFile;};
};
#include <apt-pkg/configuration.h>
#include <apt-pkg/md5.h>
#include <apt-pkg/sha1.h>
+#include <apt-pkg/sha256.h>
#include <apt-pkg/deblistparser.h>
#include <sys/types.h>
// ---------------------------------------------------------------------
/* This is the FTW scanner, it processes each directory element in the
directory tree. */
-int FTWScanner::Scanner(const char *File,const struct stat *sb,int Flag)
+int FTWScanner::ScannerFTW(const char *File,const struct stat *sb,int Flag)
{
if (Flag == FTW_DNR)
{
if (Flag != FTW_F)
return 0;
+ return ScannerFile(File, true);
+}
+ /*}}}*/
+// FTWScanner::ScannerFile - File Scanner /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+int FTWScanner::ScannerFile(const char *File, bool ReadLink)
+{
const char *LastComponent = strrchr(File, '/');
if (LastComponent == NULL)
LastComponent = File;
given are not links themselves. */
char Jnk[2];
Owner->OriginalPath = File;
- if (Owner->RealPath != 0 && readlink(File,Jnk,sizeof(Jnk)) != -1 &&
+ if (ReadLink && Owner->RealPath != 0 &&
+ readlink(File,Jnk,sizeof(Jnk)) != -1 &&
realpath(File,Owner->RealPath) != 0)
Owner->DoPackage(Owner->RealPath);
else
// Do recursive directory searching
Owner = this;
- int Res = ftw(Dir.c_str(),Scanner,30);
+ int Res = ftw(Dir.c_str(),ScannerFTW,30);
// Error treewalking?
if (Res != 0)
FileName = Line;
}
+#if 0
struct stat St;
int Flag = FTW_F;
if (stat(FileName,&St) != 0)
Flag = FTW_NS;
+#endif
- if (Scanner(FileName,&St,Flag) != 0)
+ if (ScannerFile(FileName, false) != 0)
break;
}
/* */
bool FTWScanner::Delink(string &FileName,const char *OriginalPath,
unsigned long &DeLinkBytes,
- struct stat &St)
+ off_t FileSize)
{
// See if this isn't an internaly prefix'd file name.
if (InternalPrefix.empty() == false &&
NewLine(1);
ioprintf(c1out, _(" DeLink %s [%s]\n"), (OriginalPath + InternalPrefix.length()),
- SizeToStr(St.st_size).c_str());
+ SizeToStr(FileSize).c_str());
c1out << flush;
if (NoLinkAct == false)
}
}
- DeLinkBytes += St.st_size;
+ DeLinkBytes += FileSize;
if (DeLinkBytes/1024 >= DeLinkLimit)
ioprintf(c1out, _(" DeLink limit of %sB hit.\n"), SizeToStr(DeLinkBytes).c_str());
}
// Process the command line options
DoMD5 = _config->FindB("APT::FTPArchive::MD5",true);
+ DoSHA1 = _config->FindB("APT::FTPArchive::SHA1",true);
+ DoSHA256 = _config->FindB("APT::FTPArchive::SHA256",true);
DoContents = _config->FindB("APT::FTPArchive::Contents",true);
NoOverride = _config->FindB("APT::FTPArchive::NoOverrideMsg",false);
// PackagesWriter::DoPackage - Process a single package /*{{{*/
// ---------------------------------------------------------------------
/* This method takes a package and gets its control information and
- MD5 then writes out a control record with the proper fields rewritten
- and the path/size/hash appended. */
+ MD5, SHA1 and SHA256 then writes out a control record with the proper fields
+ rewritten and the path/size/hash appended. */
bool PackagesWriter::DoPackage(string FileName)
{
- // Open the archive
- FileFd F(FileName,FileFd::ReadOnly);
- if (_error->PendingError() == true)
- return false;
-
- // Stat the file for later
- struct stat St;
- if (fstat(F.Fd(),&St) != 0)
- return _error->Errno("fstat",_("Failed to stat %s"),FileName.c_str());
-
// Pull all the data we need form the DB
- string MD5Res;
- if (Db.SetFile(FileName,St,&F) == false ||
- Db.LoadControl() == false ||
- (DoContents == true && Db.LoadContents(true) == false) ||
- (DoMD5 == true && Db.GetMD5(MD5Res,false) == false))
+ if (Db.GetFileInfo(FileName, true, DoContents, true, DoMD5, DoSHA1, DoSHA256)
+ == false)
+ {
return false;
+ }
- if (Delink(FileName,OriginalPath,Stats.DeLinkBytes,St) == false)
+ off_t FileSize = Db.GetFileSize();
+ if (Delink(FileName,OriginalPath,Stats.DeLinkBytes,FileSize) == false)
return false;
// Lookup the overide information
}
char Size[40];
- sprintf(Size,"%lu",St.st_size);
+ sprintf(Size,"%lu", (unsigned long) FileSize);
// Strip the DirStrip prefix from the FileName and add the PathPrefix
string NewFileName;
unsigned int End = 0;
SetTFRewriteData(Changes[End++], "Size", Size);
- SetTFRewriteData(Changes[End++], "MD5sum", MD5Res.c_str());
+ SetTFRewriteData(Changes[End++], "MD5sum", Db.MD5Res.c_str());
+ SetTFRewriteData(Changes[End++], "SHA1", Db.SHA1Res.c_str());
+ SetTFRewriteData(Changes[End++], "SHA256", Db.SHA256Res.c_str());
SetTFRewriteData(Changes[End++], "Filename", NewFileName.c_str());
SetTFRewriteData(Changes[End++], "Priority", OverItem->Priority.c_str());
SetTFRewriteData(Changes[End++], "Status", 0);
else
NoOverride = true;
+ // WTF?? The logic above: if we can't read binary overrides, don't even try
+ // reading source overrides. if we can read binary overrides, then say there
+ // are no overrides. THIS MAKES NO SENSE! -- ajt@d.o, 2006/02/28
+
if (ExtOverrides.empty() == false)
SOver.ReadExtraOverride(ExtOverrides);
}
auto_ptr<Override::Item> SOverItem(SOver.GetItem(Tags.FindS("Source")));
- const auto_ptr<Override::Item> autoSOverItem(SOverItem);
+ // const auto_ptr<Override::Item> autoSOverItem(SOverItem);
if (SOverItem.get() == 0)
{
+ ioprintf(c1out, _(" %s has no source override entry\n"), Tags.FindS("Source").c_str());
SOverItem = auto_ptr<Override::Item>(BOver.GetItem(Tags.FindS("Source")));
if (SOverItem.get() == 0)
{
+ ioprintf(c1out, _(" %s has no binary override entry either\n"), Tags.FindS("Source").c_str());
SOverItem = auto_ptr<Override::Item>(new Override::Item);
*SOverItem = *OverItem;
}
realpath(OriginalPath.c_str(),RealPath) != 0)
{
string RP = RealPath;
- if (Delink(RP,OriginalPath.c_str(),Stats.DeLinkBytes,St) == false)
+ if (Delink(RP,OriginalPath.c_str(),Stats.DeLinkBytes,St.st_size) == false)
return false;
}
}
determine what the package name is. */
bool ContentsWriter::DoPackage(string FileName,string Package)
{
- // Open the archive
- FileFd F(FileName,FileFd::ReadOnly);
- if (_error->PendingError() == true)
- return false;
-
- // Stat the file for later
- struct stat St;
- if (fstat(F.Fd(),&St) != 0)
- return _error->Errno("fstat","Failed too stat %s",FileName.c_str());
-
- // Ready the DB
- if (Db.SetFile(FileName,St,&F) == false ||
- Db.LoadContents(false) == false)
+ if (!Db.GetFileInfo(FileName, Package.empty(), true, false, false, false, false))
+ {
return false;
+ }
// Parse the package name
if (Package.empty() == true)
{
- if (Db.LoadControl() == false)
- return false;
Package = Db.Control.Section.FindS("Package");
}
SHA1.AddFD(fd.Fd(), fd.Size());
CheckSums[NewFileName].SHA1 = SHA1.Result();
+ fd.Seek(0);
+ SHA256Summation SHA256;
+ SHA256.AddFD(fd.Fd(), fd.Size());
+ CheckSums[NewFileName].SHA256 = SHA256.Result();
+
fd.Close();
return true;
(*I).second.size,
(*I).first.c_str());
}
+
+ fprintf(Output, "SHA256:\n");
+ for(map<string,struct CheckSum>::iterator I = CheckSums.begin();
+ I != CheckSums.end();
+ ++I)
+ {
+ fprintf(Output, " %s %16ld %s\n",
+ (*I).second.SHA256.c_str(),
+ (*I).second.size,
+ (*I).first.c_str());
+ }
}
bool NoLinkAct;
static FTWScanner *Owner;
- static int Scanner(const char *File,const struct stat *sb,int Flag);
+ static int ScannerFTW(const char *File,const struct stat *sb,int Flag);
+ static int ScannerFile(const char *File, bool ReadLink);
bool Delink(string &FileName,const char *OriginalPath,
- unsigned long &Bytes,struct stat &St);
+ unsigned long &Bytes,off_t FileSize);
inline void NewLine(unsigned Priority)
{
// Some flags
bool DoMD5;
+ bool DoSHA1;
+ bool DoSHA256;
bool NoOverride;
bool DoContents;
{
string MD5;
string SHA1;
+ string SHA256;
// Limited by FileFd::Size()
unsigned long size;
~CheckSum() {};
unsigned long TimeOut = 120;
bool Debug = false;
-
unsigned long CircleBuf::BwReadLimit=0;
unsigned long CircleBuf::BwTickReadData=0;
struct timeval CircleBuf::BwReadTick={0,0};
SOURCE = ftp.cc rfc2553emu.cc connect.cc
include $(PROGRAM_H)
+# The rred method
+PROGRAM=rred
+SLIBS = -lapt-pkg $(SOCKETLIBS)
+LIB_MAKES = apt-pkg/makefile
+SOURCE = rred.cc
+include $(PROGRAM_H)
+
# The rsh method
PROGRAM=rsh
SLIBS = -lapt-pkg
--- /dev/null
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/acquire-method.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/hashes.h>
+
+#include <sys/stat.h>
+#include <unistd.h>
+#include <utime.h>
+#include <stdio.h>
+#include <errno.h>
+#include <apti18n.h>
+
+/* this method implements a patch functionality similar to "patch --ed" that is
+ * used by the "tiffany" incremental packages download stuff. it differs from
+ * "ed" insofar that it is way more restricted (and therefore secure). in the
+ * moment only the "c", "a" and "d" commands of ed are implemented (diff
+ * doesn't output any other). additionally the records must be reverse sorted
+ * by line number and may not overlap (diff *seems* to produce this kind of
+ * output).
+ * */
+
+const char *Prog;
+
+class RredMethod : public pkgAcqMethod
+{
+ bool Debug;
+ // the size of this doesn't really matter (except for performance)
+ const static int BUF_SIZE = 1024;
+ // the ed commands
+ enum Mode {MODE_CHANGED, MODE_DELETED, MODE_ADDED};
+ // return values
+ enum State {ED_OK, ED_ORDERING, ED_PARSER, ED_FAILURE};
+ // this applies a single hunk, it uses a tail recursion to
+ // reverse the hunks in the file
+ int ed_rec(FILE *ed_cmds, FILE *in_file, FILE *out_file, int line,
+ char *buffer, unsigned int bufsize, Hashes *hash);
+ // apply a patch file
+ int ed_file(FILE *ed_cmds, FILE *in_file, FILE *out_file, Hashes *hash);
+ // the methods main method
+ virtual bool Fetch(FetchItem *Itm);
+
+ public:
+
+ RredMethod() : pkgAcqMethod("1.1",SingleInstance | SendConfig) {};
+};
+
+int RredMethod::ed_rec(FILE *ed_cmds, FILE *in_file, FILE *out_file, int line,
+ char *buffer, unsigned int bufsize, Hashes *hash) {
+ int pos;
+ int startline;
+ int stopline;
+ int mode;
+ int written;
+ char *idx;
+
+ /* get the current command and parse it*/
+ if (fgets(buffer, bufsize, ed_cmds) == NULL) {
+ return line;
+ }
+ startline = strtol(buffer, &idx, 10);
+ if (startline < line) {
+ return ED_ORDERING;
+ }
+ if (*idx == ',') {
+ idx++;
+ stopline = strtol(idx, &idx, 10);
+ }
+ else {
+ stopline = startline;
+ }
+ if (*idx == 'c') {
+ mode = MODE_CHANGED;
+ if (Debug == true) {
+ std::clog << "changing from line " << startline
+ << " to " << stopline << std::endl;
+ }
+ }
+ else if (*idx == 'a') {
+ mode = MODE_ADDED;
+ if (Debug == true) {
+ std::clog << "adding after line " << startline << std::endl;
+ }
+ }
+ else if (*idx == 'd') {
+ mode = MODE_DELETED;
+ if (Debug == true) {
+ std::clog << "deleting from line " << startline
+ << " to " << stopline << std::endl;
+ }
+ }
+ else {
+ return ED_PARSER;
+ }
+ /* get the current position */
+ pos = ftell(ed_cmds);
+ /* if this is add or change then go to the next full stop */
+ if ((mode == MODE_CHANGED) || (mode == MODE_ADDED)) {
+ do {
+ fgets(buffer, bufsize, ed_cmds);
+ while ((strlen(buffer) == (bufsize - 1))
+ && (buffer[bufsize - 2] != '\n')) {
+ fgets(buffer, bufsize, ed_cmds);
+ buffer[0] = ' ';
+ }
+ } while (strncmp(buffer, ".", 1) != 0);
+ }
+ /* do the recursive call */
+ line = ed_rec(ed_cmds, in_file, out_file, line, buffer, bufsize,
+ hash);
+ /* pass on errors */
+ if (line < 0) {
+ return line;
+ }
+ /* apply our hunk */
+ fseek(ed_cmds, pos, SEEK_SET);
+ /* first wind to the current position */
+ if (mode != MODE_ADDED) {
+ startline -= 1;
+ }
+ while (line < startline) {
+ fgets(buffer, bufsize, in_file);
+ written = fwrite(buffer, 1, strlen(buffer), out_file);
+ hash->Add((unsigned char*)buffer, written);
+ while ((strlen(buffer) == (bufsize - 1))
+ && (buffer[bufsize - 2] != '\n')) {
+ fgets(buffer, bufsize, in_file);
+ written = fwrite(buffer, 1, strlen(buffer), out_file);
+ hash->Add((unsigned char*)buffer, written);
+ }
+ line++;
+ }
+ /* include from ed script */
+ if ((mode == MODE_ADDED) || (mode == MODE_CHANGED)) {
+ do {
+ fgets(buffer, bufsize, ed_cmds);
+ if (strncmp(buffer, ".", 1) != 0) {
+ written = fwrite(buffer, 1, strlen(buffer), out_file);
+ hash->Add((unsigned char*)buffer, written);
+ while ((strlen(buffer) == (bufsize - 1))
+ && (buffer[bufsize - 2] != '\n')) {
+ fgets(buffer, bufsize, ed_cmds);
+ written = fwrite(buffer, 1, strlen(buffer), out_file);
+ hash->Add((unsigned char*)buffer, written);
+ }
+ }
+ else {
+ break;
+ }
+ } while (1);
+ }
+ /* ignore the corresponding number of lines from input */
+ if ((mode == MODE_DELETED) || (mode == MODE_CHANGED)) {
+ while (line < stopline) {
+ fgets(buffer, bufsize, in_file);
+ while ((strlen(buffer) == (bufsize - 1))
+ && (buffer[bufsize - 2] != '\n')) {
+ fgets(buffer, bufsize, in_file);
+ }
+ line++;
+ }
+ }
+ return line;
+}
+
+int RredMethod::ed_file(FILE *ed_cmds, FILE *in_file, FILE *out_file,
+ Hashes *hash) {
+ char buffer[BUF_SIZE];
+ int result;
+ int written;
+
+ /* we do a tail recursion to read the commands in the right order */
+ result = ed_rec(ed_cmds, in_file, out_file, 0, buffer, BUF_SIZE,
+ hash);
+
+ /* read the rest from infile */
+ if (result > 0) {
+ while (fgets(buffer, BUF_SIZE, in_file) != NULL) {
+ written = fwrite(buffer, 1, strlen(buffer), out_file);
+ hash->Add((unsigned char*)buffer, written);
+ }
+ }
+ else {
+ return ED_FAILURE;
+ }
+ return ED_OK;
+}
+
+
+bool RredMethod::Fetch(FetchItem *Itm)
+{
+ Debug = _config->FindB("Debug::pkgAcquire::RRed",false);
+ URI Get = Itm->Uri;
+ string Path = Get.Host + Get.Path; // To account for relative paths
+ // Path contains the filename to patch
+ FetchResult Res;
+ Res.Filename = Itm->DestFile;
+ URIStart(Res);
+ // Res.Filename the destination filename
+
+ if (Debug == true)
+ std::clog << "Patching " << Path << " with " << Path
+ << ".ed and putting result into " << Itm->DestFile << std::endl;
+ // Open the source and destination files (the d'tor of FileFd will do
+ // the cleanup/closing of the fds)
+ FileFd From(Path,FileFd::ReadOnly);
+ FileFd Patch(Path+".ed",FileFd::ReadOnly);
+ FileFd To(Itm->DestFile,FileFd::WriteEmpty);
+ To.EraseOnFailure();
+ if (_error->PendingError() == true)
+ return false;
+
+ Hashes Hash;
+ FILE* fFrom = fdopen(From.Fd(), "r");
+ FILE* fPatch = fdopen(Patch.Fd(), "r");
+ FILE* fTo = fdopen(To.Fd(), "w");
+ // now do the actual patching
+ if (ed_file(fPatch, fFrom, fTo, &Hash) != ED_OK) {
+ _error->Errno("rred", _("Could not patch file"));
+ return false;
+ }
+
+ // write out the result
+ fflush(fFrom);
+ fflush(fPatch);
+ fflush(fTo);
+ From.Close();
+ Patch.Close();
+ To.Close();
+
+ // Transfer the modification times
+ struct stat Buf;
+ if (stat(Path.c_str(),&Buf) != 0)
+ return _error->Errno("stat",_("Failed to stat"));
+
+ struct utimbuf TimeBuf;
+ TimeBuf.actime = Buf.st_atime;
+ TimeBuf.modtime = Buf.st_mtime;
+ if (utime(Itm->DestFile.c_str(),&TimeBuf) != 0)
+ return _error->Errno("utime",_("Failed to set modification time"));
+
+ if (stat(Itm->DestFile.c_str(),&Buf) != 0)
+ return _error->Errno("stat",_("Failed to stat"));
+
+ // return done
+ Res.LastModified = Buf.st_mtime;
+ Res.Size = Buf.st_size;
+ Res.TakeHashes(Hash);
+ URIDone(Res);
+
+ return true;
+}
+
+int main(int argc, char *argv[])
+{
+ RredMethod Mth;
+
+ Prog = strrchr(argv[0],'/');
+ Prog++;
+
+ return Mth.Run();
+}
projects / apt.git / commitdiff
