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-rw-r--r--apt-pkg/contrib/hashes.cc63
-rw-r--r--apt-pkg/contrib/hashes.h21
2 files changed, 65 insertions, 19 deletions
diff --git a/apt-pkg/contrib/hashes.cc b/apt-pkg/contrib/hashes.cc
index 6e7080bc9..953465091 100644
--- a/apt-pkg/contrib/hashes.cc
+++ b/apt-pkg/contrib/hashes.cc
@@ -250,28 +250,34 @@ bool HashStringList::operator!=(HashStringList const &other) const
class PrivateHashes {
public:
unsigned long long FileSize;
+ unsigned int CalcHashes;
- PrivateHashes() : FileSize(0) {}
+ PrivateHashes(unsigned int const CalcHashes) : FileSize(0), CalcHashes(CalcHashes) {}
};
/*}}}*/
// Hashes::Add* - Add the contents of data or FD /*{{{*/
-bool Hashes::Add(const unsigned char * const Data,unsigned long long const Size, unsigned int const Hashes)
+bool Hashes::Add(const unsigned char * const Data, unsigned long long const Size)
{
bool Res = true;
APT_IGNORE_DEPRECATED_PUSH
- if ((Hashes & MD5SUM) == MD5SUM)
+ if ((d->CalcHashes & MD5SUM) == MD5SUM)
Res &= MD5.Add(Data, Size);
- if ((Hashes & SHA1SUM) == SHA1SUM)
+ if ((d->CalcHashes & SHA1SUM) == SHA1SUM)
Res &= SHA1.Add(Data, Size);
- if ((Hashes & SHA256SUM) == SHA256SUM)
+ if ((d->CalcHashes & SHA256SUM) == SHA256SUM)
Res &= SHA256.Add(Data, Size);
- if ((Hashes & SHA512SUM) == SHA512SUM)
+ if ((d->CalcHashes & SHA512SUM) == SHA512SUM)
Res &= SHA512.Add(Data, Size);
APT_IGNORE_DEPRECATED_POP
d->FileSize += Size;
return Res;
}
-bool Hashes::AddFD(int const Fd,unsigned long long Size, unsigned int const Hashes)
+bool Hashes::Add(const unsigned char * const Data, unsigned long long const Size, unsigned int const Hashes)
+{
+ d->CalcHashes = Hashes;
+ return Add(Data, Size);
+}
+bool Hashes::AddFD(int const Fd,unsigned long long Size)
{
unsigned char Buf[64*64];
bool const ToEOF = (Size == UntilEOF);
@@ -285,12 +291,17 @@ bool Hashes::AddFD(int const Fd,unsigned long long Size, unsigned int const Hash
if (ToEOF && Res == 0) // EOF
break;
Size -= Res;
- if (Add(Buf, Res, Hashes) == false)
+ if (Add(Buf, Res) == false)
return false;
}
return true;
}
-bool Hashes::AddFD(FileFd &Fd,unsigned long long Size, unsigned int const Hashes)
+bool Hashes::AddFD(int const Fd,unsigned long long Size, unsigned int const Hashes)
+{
+ d->CalcHashes = Hashes;
+ return AddFD(Fd, Size);
+}
+bool Hashes::AddFD(FileFd &Fd,unsigned long long Size)
{
unsigned char Buf[64*64];
bool const ToEOF = (Size == 0);
@@ -309,20 +320,29 @@ bool Hashes::AddFD(FileFd &Fd,unsigned long long Size, unsigned int const Hashes
else if (a == 0) // EOF
break;
Size -= a;
- if (Add(Buf, a, Hashes) == false)
+ if (Add(Buf, a) == false)
return false;
}
return true;
}
+bool Hashes::AddFD(FileFd &Fd,unsigned long long Size, unsigned int const Hashes)
+{
+ d->CalcHashes = Hashes;
+ return AddFD(Fd, Size);
+}
/*}}}*/
HashStringList Hashes::GetHashStringList()
{
HashStringList hashes;
APT_IGNORE_DEPRECATED_PUSH
- hashes.push_back(HashString("MD5Sum", MD5.Result().Value()));
- hashes.push_back(HashString("SHA1", SHA1.Result().Value()));
- hashes.push_back(HashString("SHA256", SHA256.Result().Value()));
- hashes.push_back(HashString("SHA512", SHA512.Result().Value()));
+ if ((d->CalcHashes & MD5SUM) == MD5SUM)
+ hashes.push_back(HashString("MD5Sum", MD5.Result().Value()));
+ if ((d->CalcHashes & SHA1SUM) == SHA1SUM)
+ hashes.push_back(HashString("SHA1", SHA1.Result().Value()));
+ if ((d->CalcHashes & SHA256SUM) == SHA256SUM)
+ hashes.push_back(HashString("SHA256", SHA256.Result().Value()));
+ if ((d->CalcHashes & SHA512SUM) == SHA512SUM)
+ hashes.push_back(HashString("SHA512", SHA512.Result().Value()));
APT_IGNORE_DEPRECATED_POP
std::string SizeStr;
strprintf(SizeStr, "%llu", d->FileSize);
@@ -330,6 +350,19 @@ APT_IGNORE_DEPRECATED_POP
return hashes;
}
APT_IGNORE_DEPRECATED_PUSH
-Hashes::Hashes() { d = new PrivateHashes(); }
+Hashes::Hashes() { d = new PrivateHashes(~0); }
+Hashes::Hashes(unsigned int const Hashes) { d = new PrivateHashes(Hashes); }
+Hashes::Hashes(HashStringList const &Hashes) {
+ unsigned int calcHashes = Hashes.usable() ? 0 : ~0;
+ if (Hashes.find("MD5Sum") != NULL)
+ calcHashes |= MD5SUM;
+ if (Hashes.find("SHA1") != NULL)
+ calcHashes |= SHA1SUM;
+ if (Hashes.find("SHA256") != NULL)
+ calcHashes |= SHA256SUM;
+ if (Hashes.find("SHA512") != NULL)
+ calcHashes |= SHA512SUM;
+ d = new PrivateHashes(calcHashes);
+}
Hashes::~Hashes() { delete d; }
APT_IGNORE_DEPRECATED_POP
diff --git a/apt-pkg/contrib/hashes.h b/apt-pkg/contrib/hashes.h
index 154862457..ac13c8ace 100644
--- a/apt-pkg/contrib/hashes.h
+++ b/apt-pkg/contrib/hashes.h
@@ -178,7 +178,8 @@ class Hashes
static const int UntilEOF = 0;
- bool Add(const unsigned char * const Data, unsigned long long const Size, unsigned int const Hashes = ~0);
+ bool Add(const unsigned char * const Data, unsigned long long const Size);
+ APT_DEPRECATED bool Add(const unsigned char * const Data, unsigned long long const Size, unsigned int const Hashes);
inline bool Add(const char * const Data)
{return Add((unsigned char const * const)Data,strlen(Data));};
inline bool Add(const unsigned char * const Beg,const unsigned char * const End)
@@ -186,13 +187,24 @@ class Hashes
enum SupportedHashes { MD5SUM = (1 << 0), SHA1SUM = (1 << 1), SHA256SUM = (1 << 2),
SHA512SUM = (1 << 3) };
- bool AddFD(int const Fd,unsigned long long Size = 0, unsigned int const Hashes = ~0);
- bool AddFD(FileFd &Fd,unsigned long long Size = 0, unsigned int const Hashes = ~0);
+ bool AddFD(int const Fd,unsigned long long Size = 0);
+ APT_DEPRECATED bool AddFD(int const Fd,unsigned long long Size, unsigned int const Hashes);
+ bool AddFD(FileFd &Fd,unsigned long long Size = 0);
+ APT_DEPRECATED bool AddFD(FileFd &Fd,unsigned long long Size, unsigned int const Hashes);
HashStringList GetHashStringList();
APT_IGNORE_DEPRECATED_PUSH
+ /** create a Hashes object to calculate all supported hashes
+ *
+ * If ALL is too much, you can limit which Hashes are calculated
+ * with the following other constructors which mention explicitly
+ * which hashes to generate. */
Hashes();
+ /** @param Hashes bitflag composed of #SupportedHashes */
+ Hashes(unsigned int const Hashes);
+ /** @param Hashes is a list of hashes */
+ Hashes(HashStringList const &Hashes);
virtual ~Hashes();
APT_IGNORE_DEPRECATED_POP
@@ -208,15 +220,16 @@ APT_IGNORE_DEPRECATED_POP
}
public:
+APT_IGNORE_DEPRECATED_PUSH
APT_DEPRECATED bool AddFD(int const Fd, unsigned long long Size, bool const addMD5,
bool const addSHA1, bool const addSHA256, bool const addSHA512) {
return AddFD(Fd, Size, boolsToFlag(addMD5, addSHA1, addSHA256, addSHA512));
};
-
APT_DEPRECATED bool AddFD(FileFd &Fd, unsigned long long Size, bool const addMD5,
bool const addSHA1, bool const addSHA256, bool const addSHA512) {
return AddFD(Fd, Size, boolsToFlag(addMD5, addSHA1, addSHA256, addSHA512));
};
+APT_IGNORE_DEPRECATED_POP
};
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 17:51:15 +0000