add sha512 support to apt-ftparchive

[apt.git] / ftparchive / cachedb.cc

diff --git a/ftparchive/cachedb.cc b/ftparchive/cachedb.cc
index 0e6078642ad4833b6aa4bb200096774032389e33..699718e57b8c935efb78a2620092371a20c8fba0 100644 (file)
--- a/ftparchive/cachedb.cc
+++ b/ftparchive/cachedb.cc
@@ -10,10 +10,6 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/

-#ifdef __GNUG__
-#pragma implementation "cachedb.h"
-#endif
-

 #include "cachedb.h"
 
 #include <apti18n.h>
 #include "cachedb.h"
 
 #include <apti18n.h>


@@ -21,6 +17,7 @@
 #include <apt-pkg/md5.h>
 #include <apt-pkg/sha1.h>
 #include <apt-pkg/sha256.h>
 #include <apt-pkg/md5.h>
 #include <apt-pkg/sha1.h>
 #include <apt-pkg/sha256.h>

+#include <apt-pkg/sha512.h>

 #include <apt-pkg/strutl.h>
 #include <apt-pkg/configuration.h>
     
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/configuration.h>
     


@@ -30,7 +27,7 @@
 // CacheDB::ReadyDB - Ready the DB2                                    /*{{{*/
 // ---------------------------------------------------------------------
 /* This opens the DB2 file for caching package information */
 // CacheDB::ReadyDB - Ready the DB2                                    /*{{{*/
 // ---------------------------------------------------------------------
 /* This opens the DB2 file for caching package information */

-bool CacheDB::ReadyDB(string DB)
+bool CacheDB::ReadyDB(string const &DB)

 {
    int err;
 
 {
    int err;
 


@@ -73,7 +70,7 @@ bool CacheDB::ReadyDB(string DB)
       // apt 0.6.44
       if (err == EINVAL)
       {
       // 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."));
+        _error->Error(_("DB format is invalid. If you upgraded from an older version of apt, please remove and re-create the database."));

       }
       if (err)
       {
       }
       if (err)
       {


@@ -87,7 +84,7 @@ bool CacheDB::ReadyDB(string DB)
    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/

-// CacheDB::OpenFile - Open the filei                                  /*{{{*/
+// CacheDB::OpenFile - Open the file                                   /*{{{*/

 // ---------------------------------------------------------------------
 /* */
 bool CacheDB::OpenFile()
 // ---------------------------------------------------------------------
 /* */
 bool CacheDB::OpenFile()


@@ -106,9 +103,9 @@ bool CacheDB::OpenFile()
 // ---------------------------------------------------------------------
 /* 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. */
 // ---------------------------------------------------------------------
 /* 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()
+bool CacheDB::GetFileStat(bool const &doStat)

 {
 {

-       if ((CurStat.Flags & FlSize) == FlSize)
+       if ((CurStat.Flags & FlSize) == FlSize && doStat == false)

        {
                /* Already worked out the file size */
        }
        {
                /* Already worked out the file size */
        }


@@ -143,7 +140,7 @@ bool CacheDB::GetCurStat()
    
        if (DBLoaded)
        {
    
        if (DBLoaded)
        {

-               /* First see if thre is anything about it
+               /* First see if there is anything about it

                   in the database */
 
                /* Get the flags (and mtime) */
                   in the database */
 
                /* Get the flags (and mtime) */


@@ -164,9 +161,10 @@ bool CacheDB::GetCurStat()
                                                                        /*}}}*/
 // CacheDB::GetFileInfo - Get all the info about the file              /*{{{*/
 // ---------------------------------------------------------------------
                                                                        /*}}}*/
 // 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)
+bool CacheDB::GetFileInfo(string const &FileName, bool const &DoControl, bool const &DoContents,
+                               bool const &GenContentsOnly, bool const &DoMD5, bool const &DoSHA1,
+                               bool const &DoSHA256,   bool const &DoSHA512, 
+                          bool const &checkMtime)

 {
        this->FileName = FileName;
 
 {
        this->FileName = FileName;
 


@@ -175,22 +173,28 @@ bool CacheDB::GetFileInfo(string FileName, bool DoControl, bool DoContents,
                return false;
    }   
    OldStat = CurStat;
                return false;
    }   
    OldStat = CurStat;

-       
-       if (GetFileStat() == false)
+
+       if (GetFileStat(checkMtime) == false)

        {
                delete Fd;
                Fd = NULL;
                return false;   
        }
 
        {
                delete Fd;
                Fd = NULL;
                return false;   
        }
 

+    /* if mtime changed, update CurStat from disk */
+    if (checkMtime == true && OldStat.mtime != CurStat.mtime)
+        CurStat.Flags = FlSize;
+

        Stats.Bytes += CurStat.FileSize;
        Stats.Packages++;
 
        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)
+       if ((DoControl && LoadControl() == false)
+               || (DoContents && LoadContents(GenContentsOnly) == false)
+               || (DoMD5 && GetMD5(false) == false)
+               || (DoSHA1 && GetSHA1(false) == false)
+               || (DoSHA256 && GetSHA256(false) == false)
+               || (DoSHA512 && GetSHA512(false) == false)
+           )

        {
                delete Fd;
                Fd = NULL;
        {
                delete Fd;
                Fd = NULL;


@@ -251,7 +255,7 @@ bool CacheDB::LoadControl()
 // CacheDB::LoadContents - Load the File Listing                       /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // CacheDB::LoadContents - Load the File Listing                       /*{{{*/
 // ---------------------------------------------------------------------
 /* */

-bool CacheDB::LoadContents(bool GenOnly)
+bool CacheDB::LoadContents(bool const &GenOnly)

 {
    // Try to read the control information out of the DB.
    if ((CurStat.Flags & FlContents) == FlContents)
 {
    // Try to read the control information out of the DB.
    if ((CurStat.Flags & FlContents) == FlContents)


@@ -301,7 +305,7 @@ static string bytes2hex(uint8_t *bytes, size_t length) {
    return string(space);
 }
 
    return string(space);
 }
 

-static inline unsigned char xdig2num(char dig) {
+static inline unsigned char xdig2num(char const &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;
    if (isdigit(dig)) return dig - '0';
    if ('a' <= dig && dig <= 'f') return dig - 'a' + 10;
    if ('A' <= dig && dig <= 'F') return dig - 'A' + 10;


@@ -322,7 +326,7 @@ static void hex2bytes(uint8_t *bytes, const char *hex, int length) {
 // CacheDB::GetMD5 - Get the MD5 hash                                  /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // CacheDB::GetMD5 - Get the MD5 hash                                  /*{{{*/
 // ---------------------------------------------------------------------
 /* */

-bool CacheDB::GetMD5(bool GenOnly)
+bool CacheDB::GetMD5(bool const &GenOnly)

 {
    // Try to read the control information out of the DB.
    if ((CurStat.Flags & FlMD5) == FlMD5)
 {
    // Try to read the control information out of the DB.
    if ((CurStat.Flags & FlMD5) == FlMD5)


@@ -353,7 +357,7 @@ bool CacheDB::GetMD5(bool GenOnly)
 // CacheDB::GetSHA1 - Get the SHA1 hash                                        /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // CacheDB::GetSHA1 - Get the SHA1 hash                                        /*{{{*/
 // ---------------------------------------------------------------------
 /* */

-bool CacheDB::GetSHA1(bool GenOnly)
+bool CacheDB::GetSHA1(bool const &GenOnly)

 {
    // Try to read the control information out of the DB.
    if ((CurStat.Flags & FlSHA1) == FlSHA1)
 {
    // Try to read the control information out of the DB.
    if ((CurStat.Flags & FlSHA1) == FlSHA1)


@@ -384,7 +388,7 @@ bool CacheDB::GetSHA1(bool GenOnly)
 // CacheDB::GetSHA256 - Get the SHA256 hash                            /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // CacheDB::GetSHA256 - Get the SHA256 hash                            /*{{{*/
 // ---------------------------------------------------------------------
 /* */

-bool CacheDB::GetSHA256(bool GenOnly)
+bool CacheDB::GetSHA256(bool const &GenOnly)

 {
    // Try to read the control information out of the DB.
    if ((CurStat.Flags & FlSHA256) == FlSHA256)
 {
    // Try to read the control information out of the DB.
    if ((CurStat.Flags & FlSHA256) == FlSHA256)


@@ -412,6 +416,37 @@ bool CacheDB::GetSHA256(bool GenOnly)
    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/

+// CacheDB::GetSHA256 - Get the SHA256 hash                            /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool CacheDB::GetSHA512(bool const &GenOnly)
+{
+   // Try to read the control information out of the DB.
+   if ((CurStat.Flags & FlSHA512) == FlSHA512)
+   {
+      if (GenOnly == true)
+        return true;
+
+      SHA512Res = bytes2hex(CurStat.SHA512, sizeof(CurStat.SHA512));
+      return true;
+   }
+   
+   Stats.SHA512Bytes += CurStat.FileSize;
+        
+   if (Fd == NULL && OpenFile() == false)
+   {
+      return false;
+   }
+   SHA512Summation SHA512;
+   if (Fd->Seek(0) == false || SHA512.AddFD(Fd->Fd(),CurStat.FileSize) == false)
+      return false;
+   
+   SHA512Res = SHA512.Result();
+   hex2bytes(CurStat.SHA512, SHA512Res.data(), sizeof(CurStat.SHA512));
+   CurStat.Flags |= FlSHA512;
+   return true;
+}
+                                                                       /*}}}*/

 // CacheDB::Finish - Write back the cache structure                    /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // CacheDB::Finish - Write back the cache structure                    /*{{{*/
 // ---------------------------------------------------------------------
 /* */


@@ -453,21 +488,21 @@ bool CacheDB::Clean()
    memset(&Data,0,sizeof(Data));
    while ((errno = Cursor->c_get(Cursor,&Key,&Data,DB_NEXT)) == 0)
    {
    memset(&Data,0,sizeof(Data));
    while ((errno = Cursor->c_get(Cursor,&Key,&Data,DB_NEXT)) == 0)
    {

-      const char *Colon = (char *)Key.data;
-      for (; Colon != (char *)Key.data+Key.size && *Colon != ':'; Colon++);
-      if ((char *)Key.data+Key.size - Colon > 2)
+      const char *Colon = (char*)memrchr(Key.data, ':', Key.size);
+      if (Colon)

       {
       {

-        if (stringcmp((char *)Key.data,Colon,"st") == 0 ||
-            stringcmp((char *)Key.data,Colon,"cn") == 0 ||
-            stringcmp((char *)Key.data,Colon,"cl") == 0)
+         if (stringcmp(Colon + 1, (char *)Key.data+Key.size,"st") == 0 ||
+             stringcmp(Colon + 1, (char *)Key.data+Key.size,"cl") == 0 ||
+             stringcmp(Colon + 1, (char *)Key.data+Key.size,"cn") == 0)

         {
         {

-           if (FileExists(string(Colon+1,(const char *)Key.data+Key.size)) == true)
+            if (FileExists(string((const char *)Key.data,Colon)) == true)

                continue;            
         }
       }
       
       Cursor->c_del(Cursor,0);
    }
                continue;            
         }
       }
       
       Cursor->c_del(Cursor,0);
    }

+   Dbp->compact(Dbp, NULL, NULL, NULL, NULL, DB_FREE_SPACE, NULL);

 
    return true;
 }
 
    return true;
 }