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-rw-r--r--apt-pkg/contrib/configuration.cc26
-rw-r--r--apt-pkg/contrib/configuration.h28
-rw-r--r--apt-pkg/contrib/hashes.cc1
-rw-r--r--apt-pkg/contrib/hashes.h4
-rw-r--r--apt-pkg/contrib/md5.h3
-rw-r--r--apt-pkg/contrib/mmap.cc4
-rw-r--r--apt-pkg/contrib/mmap.h2
-rw-r--r--apt-pkg/contrib/progress.cc4
-rw-r--r--apt-pkg/contrib/progress.h4
-rw-r--r--apt-pkg/contrib/sha256.cc421
-rw-r--r--apt-pkg/contrib/sha256.h75
-rw-r--r--apt-pkg/contrib/strutl.cc67
-rw-r--r--apt-pkg/contrib/strutl.h26
13 files changed, 582 insertions, 83 deletions
diff --git a/apt-pkg/contrib/configuration.cc b/apt-pkg/contrib/configuration.cc
index 09e454be9..14a000fa5 100644
--- a/apt-pkg/contrib/configuration.cc
+++ b/apt-pkg/contrib/configuration.cc
@@ -110,7 +110,7 @@ Configuration::Item *Configuration::Lookup(Item *Head,const char *S,
return 0;
I = new Item;
- I->Tag = string(S,Len);
+ I->Tag.assign(S,Len);
I->Next = *Last;
I->Parent = Head;
*Last = I;
@@ -161,7 +161,7 @@ string Configuration::Find(const char *Name,const char *Default) const
if (Itm == 0 || Itm->Value.empty() == true)
{
if (Default == 0)
- return string();
+ return "";
else
return Default;
}
@@ -180,7 +180,7 @@ string Configuration::FindFile(const char *Name,const char *Default) const
if (Itm == 0 || Itm->Value.empty() == true)
{
if (Default == 0)
- return string();
+ return "";
else
return Default;
}
@@ -294,7 +294,7 @@ string Configuration::FindAny(const char *Name,const char *Default) const
// Configuration::CndSet - Conditinal Set a value /*{{{*/
// ---------------------------------------------------------------------
/* This will not overwrite */
-void Configuration::CndSet(const char *Name,string Value)
+void Configuration::CndSet(const char *Name,const string &Value)
{
Item *Itm = Lookup(Name,true);
if (Itm == 0)
@@ -306,7 +306,7 @@ void Configuration::CndSet(const char *Name,string Value)
// Configuration::Set - Set a value /*{{{*/
// ---------------------------------------------------------------------
/* */
-void Configuration::Set(const char *Name,string Value)
+void Configuration::Set(const char *Name,const string &Value)
{
Item *Itm = Lookup(Name,true);
if (Itm == 0)
@@ -330,7 +330,7 @@ void Configuration::Set(const char *Name,int Value)
// Configuration::Clear - Clear an single value from a list /*{{{*/
// ---------------------------------------------------------------------
/* */
-void Configuration::Clear(string Name, int Value)
+void Configuration::Clear(const string Name, int Value)
{
char S[300];
snprintf(S,sizeof(S),"%i",Value);
@@ -340,7 +340,7 @@ void Configuration::Clear(string Name, int Value)
// Configuration::Clear - Clear an single value from a list /*{{{*/
// ---------------------------------------------------------------------
/* */
-void Configuration::Clear(string Name, string Value)
+void Configuration::Clear(const string Name, string Value)
{
Item *Top = Lookup(Name.c_str(),false);
if (Top == 0 || Top->Child == 0)
@@ -377,7 +377,7 @@ void Configuration::Clear(string Name)
if (Top == 0)
return;
- Top->Value = string();
+ Top->Value.clear();
Item *Stop = Top;
Top = Top->Child;
Stop->Child = 0;
@@ -485,7 +485,7 @@ string Configuration::Item::FullTag(const Item *Stop) const
sections like 'zone "foo.org" { .. };' This causes each section to be
added in with a tag like "zone::foo.org" instead of being split
tag/value. AsSectional enables Sectional parsing.*/
-bool ReadConfigFile(Configuration &Conf,string FName,bool AsSectional,
+bool ReadConfigFile(Configuration &Conf,const string &FName,bool AsSectional,
unsigned Depth)
{
// Open the stream for reading
@@ -711,13 +711,13 @@ bool ReadConfigFile(Configuration &Conf,string FName,bool AsSectional,
}
// Empty the buffer
- LineBuffer = string();
+ LineBuffer.clear();
// Move up a tag, but only if there is no bit to parse
if (TermChar == '}')
{
if (StackPos == 0)
- ParentTag = string();
+ ParentTag.clear();
else
ParentTag = Stack[--StackPos];
}
@@ -742,8 +742,8 @@ bool ReadConfigFile(Configuration &Conf,string FName,bool AsSectional,
// ReadConfigDir - Read a directory of config files /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool ReadConfigDir(Configuration &Conf,string Dir,bool AsSectional,
- unsigned Depth)
+bool ReadConfigDir(Configuration &Conf,const string &Dir,bool AsSectional,
+ unsigned Depth)
{
DIR *D = opendir(Dir.c_str());
if (D == 0)
diff --git a/apt-pkg/contrib/configuration.h b/apt-pkg/contrib/configuration.h
index 789bc82cf..0d4078dab 100644
--- a/apt-pkg/contrib/configuration.h
+++ b/apt-pkg/contrib/configuration.h
@@ -69,30 +69,30 @@ class Configuration
public:
string Find(const char *Name,const char *Default = 0) const;
- string Find(string Name,const char *Default = 0) const {return Find(Name.c_str(),Default);};
+ string Find(const string Name,const char *Default = 0) const {return Find(Name.c_str(),Default);};
string FindFile(const char *Name,const char *Default = 0) const;
string FindDir(const char *Name,const char *Default = 0) const;
int FindI(const char *Name,int Default = 0) const;
- int FindI(string Name,int Default = 0) const {return FindI(Name.c_str(),Default);};
+ int FindI(const string Name,int Default = 0) const {return FindI(Name.c_str(),Default);};
bool FindB(const char *Name,bool Default = false) const;
- bool FindB(string Name,bool Default = false) const {return FindB(Name.c_str(),Default);};
+ bool FindB(const string Name,bool Default = false) const {return FindB(Name.c_str(),Default);};
string FindAny(const char *Name,const char *Default = 0) const;
- inline void Set(string Name,string Value) {Set(Name.c_str(),Value);};
- void CndSet(const char *Name,string Value);
- void Set(const char *Name,string Value);
+ inline void Set(const string Name,string Value) {Set(Name.c_str(),Value);};
+ void CndSet(const char *Name,const string &Value);
+ void Set(const char *Name,const string &Value);
void Set(const char *Name,int Value);
- inline bool Exists(string Name) const {return Exists(Name.c_str());};
+ inline bool Exists(const string Name) const {return Exists(Name.c_str());};
bool Exists(const char *Name) const;
bool ExistsAny(const char *Name) const;
// clear a whole tree
- void Clear(string Name);
+ void Clear(const string Name);
// remove a certain value from a list (e.g. the list of "APT::Keep-Fds")
- void Clear(string List, string Value);
- void Clear(string List, int Value);
+ void Clear(const string List, string Value);
+ void Clear(const string List, int Value);
inline const Item *Tree(const char *Name) const {return Lookup(Name);};
@@ -106,10 +106,12 @@ class Configuration
extern Configuration *_config;
-bool ReadConfigFile(Configuration &Conf,string FName,bool AsSectional = false,
+bool ReadConfigFile(Configuration &Conf,const string &FName,
+ bool AsSectional = false,
unsigned Depth = 0);
-bool ReadConfigDir(Configuration &Conf,string Dir,bool AsSectional = false,
- unsigned Depth = 0);
+bool ReadConfigDir(Configuration &Conf,const string &Dir,
+ bool AsSectional = false,
+ unsigned Depth = 0);
#endif
diff --git a/apt-pkg/contrib/hashes.cc b/apt-pkg/contrib/hashes.cc
index b17b94319..9b22a90d3 100644
--- a/apt-pkg/contrib/hashes.cc
+++ b/apt-pkg/contrib/hashes.cc
@@ -36,6 +36,7 @@ bool Hashes::AddFD(int Fd,unsigned long Size)
Size -= Res;
MD5.Add(Buf,Res);
SHA1.Add(Buf,Res);
+ SHA256.Add(Buf,Res);
}
return true;
}
diff --git a/apt-pkg/contrib/hashes.h b/apt-pkg/contrib/hashes.h
index 40bbe00a0..eefa7bf41 100644
--- a/apt-pkg/contrib/hashes.h
+++ b/apt-pkg/contrib/hashes.h
@@ -19,6 +19,7 @@
#include <apt-pkg/md5.h>
#include <apt-pkg/sha1.h>
+#include <apt-pkg/sha256.h>
#include <algorithm>
@@ -30,10 +31,11 @@ class Hashes
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);
diff --git a/apt-pkg/contrib/md5.h b/apt-pkg/contrib/md5.h
index 9e20f7cef..e280d714e 100644
--- a/apt-pkg/contrib/md5.h
+++ b/apt-pkg/contrib/md5.h
@@ -29,6 +29,7 @@
#include <string>
#include <algorithm>
+#include <stdint.h>
using std::string;
using std::min;
@@ -58,7 +59,7 @@ class MD5SumValue
class MD5Summation
{
- unsigned char Buf[4*4];
+ uint32_t Buf[4];
unsigned char Bytes[2*4];
unsigned char In[16*4];
bool Done;
diff --git a/apt-pkg/contrib/mmap.cc b/apt-pkg/contrib/mmap.cc
index bc22fba67..e395e6cc7 100644
--- a/apt-pkg/contrib/mmap.cc
+++ b/apt-pkg/contrib/mmap.cc
@@ -155,9 +155,9 @@ DynamicMMap::DynamicMMap(FileFd &F,unsigned long Flags,unsigned long WorkSpace)
unsigned long EndOfFile = Fd->Size();
if (EndOfFile > WorkSpace)
WorkSpace = EndOfFile;
- else
+ else if(WorkSpace > 0)
{
- Fd->Seek(WorkSpace);
+ Fd->Seek(WorkSpace - 1);
char C = 0;
Fd->Write(&C,sizeof(C));
}
diff --git a/apt-pkg/contrib/mmap.h b/apt-pkg/contrib/mmap.h
index caffa0f90..e329b167a 100644
--- a/apt-pkg/contrib/mmap.h
+++ b/apt-pkg/contrib/mmap.h
@@ -94,7 +94,7 @@ class DynamicMMap : public MMap
unsigned long RawAllocate(unsigned long Size,unsigned long Aln = 0);
unsigned long Allocate(unsigned long ItemSize);
unsigned long WriteString(const char *String,unsigned long Len = (unsigned long)-1);
- inline unsigned long WriteString(string S) {return WriteString(S.c_str(),S.length());};
+ inline unsigned long WriteString(const string &S) {return WriteString(S.c_str(),S.length());};
void UsePools(Pool &P,unsigned int Count) {Pools = &P; PoolCount = Count;};
DynamicMMap(FileFd &F,unsigned long Flags,unsigned long WorkSpace = 2*1024*1024);
diff --git a/apt-pkg/contrib/progress.cc b/apt-pkg/contrib/progress.cc
index 8eb36fc20..cb272e389 100644
--- a/apt-pkg/contrib/progress.cc
+++ b/apt-pkg/contrib/progress.cc
@@ -50,7 +50,7 @@ void OpProgress::Progress(unsigned long Cur)
// ---------------------------------------------------------------------
/* */
void OpProgress::OverallProgress(unsigned long Current, unsigned long Total,
- unsigned long Size,string Op)
+ unsigned long Size,const string &Op)
{
this->Current = Current;
this->Total = Total;
@@ -67,7 +67,7 @@ void OpProgress::OverallProgress(unsigned long Current, unsigned long Total,
// OpProgress::SubProgress - Set the sub progress state /*{{{*/
// ---------------------------------------------------------------------
/* */
-void OpProgress::SubProgress(unsigned long SubTotal,string Op)
+void OpProgress::SubProgress(unsigned long SubTotal,const string &Op)
{
this->SubTotal = SubTotal;
SubOp = Op;
diff --git a/apt-pkg/contrib/progress.h b/apt-pkg/contrib/progress.h
index d0b1f5f94..20caf4cdf 100644
--- a/apt-pkg/contrib/progress.h
+++ b/apt-pkg/contrib/progress.h
@@ -59,9 +59,9 @@ class OpProgress
void Progress(unsigned long Current);
void SubProgress(unsigned long SubTotal);
- void SubProgress(unsigned long SubTotal,string Op);
+ void SubProgress(unsigned long SubTotal,const string &Op);
void OverallProgress(unsigned long Current,unsigned long Total,
- unsigned long Size,string Op);
+ unsigned long Size,const string &Op);
virtual void Done() {};
OpProgress();
diff --git a/apt-pkg/contrib/sha256.cc b/apt-pkg/contrib/sha256.cc
new file mode 100644
index 000000000..a4d258d26
--- /dev/null
+++ b/apt-pkg/contrib/sha256.cc
@@ -0,0 +1,421 @@
+/*
+ * 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 = &Sum;
+ 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 = &Sum;
+ 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;
+}
+ /*}}}*/
+
diff --git a/apt-pkg/contrib/sha256.h b/apt-pkg/contrib/sha256.h
new file mode 100644
index 000000000..9e88f5ece
--- /dev/null
+++ b/apt-pkg/contrib/sha256.h
@@ -0,0 +1,75 @@
+// -*- 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
diff --git a/apt-pkg/contrib/strutl.cc b/apt-pkg/contrib/strutl.cc
index a75fbdf92..d96155917 100644
--- a/apt-pkg/contrib/strutl.cc
+++ b/apt-pkg/contrib/strutl.cc
@@ -199,10 +199,10 @@ bool ParseCWord(const char *&String,string &Res)
// QuoteString - Convert a string into quoted from /*{{{*/
// ---------------------------------------------------------------------
/* */
-string QuoteString(string Str,const char *Bad)
+string QuoteString(const string &Str, const char *Bad)
{
string Res;
- for (string::iterator I = Str.begin(); I != Str.end(); I++)
+ for (string::const_iterator I = Str.begin(); I != Str.end(); I++)
{
if (strchr(Bad,*I) != 0 || isprint(*I) == 0 ||
*I <= 0x20 || *I >= 0x7F)
@@ -220,7 +220,7 @@ string QuoteString(string Str,const char *Bad)
// DeQuoteString - Convert a string from quoted from /*{{{*/
// ---------------------------------------------------------------------
/* This undoes QuoteString */
-string DeQuoteString(string Str)
+string DeQuoteString(const string &Str)
{
string Res;
for (string::const_iterator I = Str.begin(); I != Str.end(); I++)
@@ -317,7 +317,7 @@ string TimeToStr(unsigned long Sec)
// SubstVar - Substitute a string for another string /*{{{*/
// ---------------------------------------------------------------------
/* This replaces all occurances of Subst with Contents in Str. */
-string SubstVar(string Str,string Subst,string Contents)
+string SubstVar(const string &Str,const string &Subst,const string &Contents)
{
string::size_type Pos = 0;
string::size_type OldPos = 0;
@@ -348,21 +348,18 @@ string SubstVar(string Str,const struct SubstVar *Vars)
/* This converts a URI into a safe filename. It quotes all unsafe characters
and converts / to _ and removes the scheme identifier. The resulting
file name should be unique and never occur again for a different file */
-string URItoFileName(string URI)
+string URItoFileName(const string &URI)
{
// Nuke 'sensitive' items
::URI U(URI);
- U.User = string();
- U.Password = string();
- U.Access = "";
+ U.User.clear();
+ U.Password.clear();
+ U.Access.clear();
// "\x00-\x20{}|\\\\^\\[\\]<>\"\x7F-\xFF";
- URI = QuoteString(U,"\\|{}[]<>\"^~_=!@#$%^&*");
- string::iterator J = URI.begin();
- for (; J != URI.end(); J++)
- if (*J == '/')
- *J = '_';
- return URI;
+ string NewURI = QuoteString(U,"\\|{}[]<>\"^~_=!@#$%^&*");
+ replace(NewURI.begin(),NewURI.end(),'/','_');
+ return NewURI;
}
/*}}}*/
// Base64Encode - Base64 Encoding routine for short strings /*{{{*/
@@ -371,7 +368,7 @@ string URItoFileName(string URI)
from wget and then patched and bug fixed.
This spec can be found in rfc2045 */
-string Base64Encode(string S)
+string Base64Encode(const string &S)
{
// Conversion table.
static char tbl[64] = {'A','B','C','D','E','F','G','H',
@@ -540,17 +537,17 @@ int stringcasecmp(string::const_iterator A,string::const_iterator AEnd,
// ---------------------------------------------------------------------
/* The format is like those used in package files and the method
communication system */
-string LookupTag(string Message,const char *Tag,const char *Default)
+string LookupTag(const string &Message,const char *Tag,const char *Default)
{
// Look for a matching tag.
int Length = strlen(Tag);
- for (string::iterator I = Message.begin(); I + Length < Message.end(); I++)
+ for (string::const_iterator I = Message.begin(); I + Length < Message.end(); I++)
{
// Found the tag
if (I[Length] == ':' && stringcasecmp(I,I+Length,Tag) == 0)
{
// Find the end of line and strip the leading/trailing spaces
- string::iterator J;
+ string::const_iterator J;
I += Length + 1;
for (; isspace(*I) != 0 && I < Message.end(); I++);
for (J = I; *J != '\n' && J < Message.end(); J++);
@@ -572,7 +569,7 @@ string LookupTag(string Message,const char *Tag,const char *Default)
// ---------------------------------------------------------------------
/* This inspects the string to see if it is true or if it is false and
then returns the result. Several varients on true/false are checked. */
-int StringToBool(string Text,int Default)
+int StringToBool(const string &Text,int Default)
{
char *End;
int Res = strtol(Text.c_str(),&End,0);
@@ -738,7 +735,7 @@ static time_t timegm(struct tm *t)
'timegm' to convert a struct tm in UTC to a time_t. For some bizzar
reason the C library does not provide any such function :< This also
handles the weird, but unambiguous FTP time format*/
-bool StrToTime(string Val,time_t &Result)
+bool StrToTime(const string &Val,time_t &Result)
{
struct tm Tm;
char Month[10];
@@ -825,7 +822,7 @@ static int HexDigit(int c)
// Hex2Num - Convert a long hex number into a buffer /*{{{*/
// ---------------------------------------------------------------------
/* The length of the buffer must be exactly 1/2 the length of the string. */
-bool Hex2Num(string Str,unsigned char *Num,unsigned int Length)
+bool Hex2Num(const string &Str,unsigned char *Num,unsigned int Length)
{
if (Str.length() != Length*2)
return false;
@@ -986,7 +983,7 @@ char *safe_snprintf(char *Buffer,char *End,const char *Format,...)
// ---------------------------------------------------------------------
/* The domain list is a comma seperate list of domains that are suffix
matched against the argument */
-bool CheckDomainList(string Host,string List)
+bool CheckDomainList(const string &Host,const string &List)
{
string::const_iterator Start = List.begin();
for (string::const_iterator Cur = List.begin(); Cur <= List.end(); Cur++)
@@ -1009,7 +1006,7 @@ bool CheckDomainList(string Host,string List)
// URI::CopyFrom - Copy from an object /*{{{*/
// ---------------------------------------------------------------------
/* This parses the URI into all of its components */
-void URI::CopyFrom(string U)
+void URI::CopyFrom(const string &U)
{
string::const_iterator I = U.begin();
@@ -1038,9 +1035,9 @@ void URI::CopyFrom(string U)
SingleSlash = U.end();
// We can now write the access and path specifiers
- Access = string(U,0,FirstColon - U.begin());
+ Access.assign(U.begin(),FirstColon);
if (SingleSlash != U.end())
- Path = string(U,SingleSlash - U.begin());
+ Path.assign(SingleSlash,U.end());
if (Path.empty() == true)
Path = "/";
@@ -1070,14 +1067,14 @@ void URI::CopyFrom(string U)
if (At == SingleSlash)
{
if (FirstColon < SingleSlash)
- Host = string(U,FirstColon - U.begin(),SingleSlash - FirstColon);
+ Host.assign(FirstColon,SingleSlash);
}
else
{
- Host = string(U,At - U.begin() + 1,SingleSlash - At - 1);
- User = string(U,FirstColon - U.begin(),SecondColon - FirstColon);
+ Host.assign(At+1,SingleSlash);
+ User.assign(FirstColon,SecondColon);
if (SecondColon < At)
- Password = string(U,SecondColon - U.begin() + 1,At - SecondColon - 1);
+ Password.assign(SecondColon+1,At);
}
// Now we parse the RFC 2732 [] hostnames.
@@ -1105,7 +1102,7 @@ void URI::CopyFrom(string U)
// Tsk, weird.
if (InBracket == true)
{
- Host = string();
+ Host.clear();
return;
}
@@ -1116,7 +1113,7 @@ void URI::CopyFrom(string U)
return;
Port = atoi(string(Host,Pos+1).c_str());
- Host = string(Host,0,Pos);
+ Host.assign(Host,0,Pos);
}
/*}}}*/
// URI::operator string - Convert the URI to a string /*{{{*/
@@ -1171,12 +1168,12 @@ URI::operator string()
// URI::SiteOnly - Return the schema and site for the URI /*{{{*/
// ---------------------------------------------------------------------
/* */
-string URI::SiteOnly(string URI)
+string URI::SiteOnly(const string &URI)
{
::URI U(URI);
- U.User = string();
- U.Password = string();
- U.Path = string();
+ U.User.clear();
+ U.Password.clear();
+ U.Path.clear();
U.Port = 0;
return U;
}
diff --git a/apt-pkg/contrib/strutl.h b/apt-pkg/contrib/strutl.h
index 353e78ac9..6ec2b7811 100644
--- a/apt-pkg/contrib/strutl.h
+++ b/apt-pkg/contrib/strutl.h
@@ -43,24 +43,24 @@ char *_strstrip(char *String);
char *_strtabexpand(char *String,size_t Len);
bool ParseQuoteWord(const char *&String,string &Res);
bool ParseCWord(const char *&String,string &Res);
-string QuoteString(string Str,const char *Bad);
-string DeQuoteString(string Str);
+string QuoteString(const string &Str,const char *Bad);
+string DeQuoteString(const string &Str);
string SizeToStr(double Bytes);
string TimeToStr(unsigned long Sec);
-string Base64Encode(string Str);
-string URItoFileName(string URI);
+string Base64Encode(const string &Str);
+string URItoFileName(const string &URI);
string TimeRFC1123(time_t Date);
-bool StrToTime(string Val,time_t &Result);
-string LookupTag(string Message,const char *Tag,const char *Default = 0);
-int StringToBool(string Text,int Default = -1);
+bool StrToTime(const string &Val,time_t &Result);
+string LookupTag(const string &Message,const char *Tag,const char *Default = 0);
+int StringToBool(const string &Text,int Default = -1);
bool ReadMessages(int Fd, vector<string> &List);
bool StrToNum(const char *Str,unsigned long &Res,unsigned Len,unsigned Base = 0);
-bool Hex2Num(string Str,unsigned char *Num,unsigned int Length);
+bool Hex2Num(const string &Str,unsigned char *Num,unsigned int Length);
bool TokSplitString(char Tok,char *Input,char **List,
unsigned long ListMax);
void ioprintf(ostream &out,const char *format,...) APT_FORMAT2;
char *safe_snprintf(char *Buffer,char *End,const char *Format,...) APT_FORMAT3;
-bool CheckDomainList(string Host,string List);
+bool CheckDomainList(const string &Host, const string &List);
#define APT_MKSTRCMP(name,func) \
inline int name(const char *A,const char *AEnd,const char *B) {return func(A,AEnd,B,B+strlen(B));}; \
@@ -101,7 +101,7 @@ inline const char *DeNull(const char *s) {return (s == 0?"(null)":s);};
class URI
{
- void CopyFrom(string From);
+ void CopyFrom(const string &From);
public:
@@ -113,9 +113,9 @@ class URI
unsigned int Port;
operator string();
- inline void operator =(string From) {CopyFrom(From);};
+ inline void operator =(const string &From) {CopyFrom(From);};
inline bool empty() {return Access.empty();};
- static string SiteOnly(string URI);
+ static string SiteOnly(const string &URI);
URI(string Path) {CopyFrom(Path);};
URI() : Port(0) {};
@@ -127,7 +127,7 @@ struct SubstVar
const string *Contents;
};
string SubstVar(string Str,const struct SubstVar *Vars);
-string SubstVar(string Str,string Subst,string Contents);
+string SubstVar(const string &Str,const string &Subst,const string &Contents);
struct RxChoiceList
{
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 04:53:55 +0000