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Overview
Comment:Always enable URI filenames when compiling with SQLITE_HAS_CODEC. Also allow plaintext keys using the key= query parameter.
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SHA3-256: 31a51b4d168065fa59cc0e52ba798bd87ac82160c675bd531442b65133edb401
User & Date: drh 2017-05-03 15:54:53
Context
2017-05-03
17:44
Fix the sqlite3GetInt32() function so that it correctly returns 0 on a zero-length input string. check-in: 05eba9e3 user: drh tags: trunk
15:54
Always enable URI filenames when compiling with SQLITE_HAS_CODEC. Also allow plaintext keys using the key= query parameter. check-in: 31a51b4d user: drh tags: trunk
2017-05-02
18:00
Fix the fts3EvalAverageDocsize() routine so that it returns errors from sqlite3_reset() rather than always returning SQLITE_OK. check-in: 430f539c user: drh tags: trunk
Changes
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Changes to src/global.c.

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**
** EVIDENCE-OF: R-38799-08373 URI filenames can be enabled or disabled
** using the SQLITE_USE_URI=1 or SQLITE_USE_URI=0 compile-time options.
**
** EVIDENCE-OF: R-43642-56306 By default, URI handling is globally
** disabled. The default value may be changed by compiling with the
** SQLITE_USE_URI symbol defined.



*/
#ifndef SQLITE_USE_URI



# define  SQLITE_USE_URI 0

#endif

/* EVIDENCE-OF: R-38720-18127 The default setting is determined by the
** SQLITE_ALLOW_COVERING_INDEX_SCAN compile-time option, or is "on" if
** that compile-time option is omitted.
*/
#ifndef SQLITE_ALLOW_COVERING_INDEX_SCAN
# define SQLITE_ALLOW_COVERING_INDEX_SCAN 1







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**
** EVIDENCE-OF: R-38799-08373 URI filenames can be enabled or disabled
** using the SQLITE_USE_URI=1 or SQLITE_USE_URI=0 compile-time options.
**
** EVIDENCE-OF: R-43642-56306 By default, URI handling is globally
** disabled. The default value may be changed by compiling with the
** SQLITE_USE_URI symbol defined.
**
** URI filenames are enabled by default if SQLITE_HAS_CODEC is
** enabled.
*/
#ifndef SQLITE_USE_URI
# ifdef SQLITE_HAS_CODEC
#  define SQLITE_USE_URI 1
# else
#  define SQLITE_USE_URI 0
# endif
#endif

/* EVIDENCE-OF: R-38720-18127 The default setting is determined by the
** SQLITE_ALLOW_COVERING_INDEX_SCAN compile-time option, or is "on" if
** that compile-time option is omitted.
*/
#ifndef SQLITE_ALLOW_COVERING_INDEX_SCAN
# define SQLITE_ALLOW_COVERING_INDEX_SCAN 1

Changes to src/main.c.

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    /* Opening a db handle. Fourth parameter is passed 0. */
    void *pArg = sqlite3GlobalConfig.pSqllogArg;
    sqlite3GlobalConfig.xSqllog(pArg, db, zFilename, 0);
  }
#endif
#if defined(SQLITE_HAS_CODEC)
  if( rc==SQLITE_OK ){

    const char *zHexKey = sqlite3_uri_parameter(zOpen, "hexkey");
    if( zHexKey && zHexKey[0] ){
      u8 iByte;
      int i;
      char zKey[40];
      for(i=0, iByte=0; i<sizeof(zKey)*2 && sqlite3Isxdigit(zHexKey[i]); i++){
        iByte = (iByte<<4) + sqlite3HexToInt(zHexKey[i]);
        if( (i&1)!=0 ) zKey[i/2] = iByte;
      }


      sqlite3_key_v2(db, 0, zKey, i/2);
    }
  }
#endif
  sqlite3_free(zOpen);
  return rc & 0xff;
}








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    /* Opening a db handle. Fourth parameter is passed 0. */
    void *pArg = sqlite3GlobalConfig.pSqllogArg;
    sqlite3GlobalConfig.xSqllog(pArg, db, zFilename, 0);
  }
#endif
#if defined(SQLITE_HAS_CODEC)
  if( rc==SQLITE_OK ){
    const char *zKey;
    if( (zKey = sqlite3_uri_parameter(zOpen, "hexkey"))!=0 && zKey[0] ){;

      u8 iByte;
      int i;
      char zDecoded[40];
      for(i=0, iByte=0; i<sizeof(zDecoded)*2 && sqlite3Isxdigit(zKey[i]); i++){
        iByte = (iByte<<4) + sqlite3HexToInt(zKey[i]);
        if( (i&1)!=0 ) zDecoded[i/2] = iByte;
      }
      sqlite3_key_v2(db, 0, zDecoded, i/2);
    }else if( (zKey = sqlite3_uri_parameter(zOpen, "key"))!=0 ){
      sqlite3_key_v2(db, 0, zKey, sqlite3Strlen30(zKey));
    }
  }
#endif
  sqlite3_free(zOpen);
  return rc & 0xff;
}