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Overview
Comment:Enhance SQLITE_ALLOW_URI_AUTHORITITY to elide //localhost/ and to deal with dodgy URIs that contain too many "/" characters.
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SHA1: 39b566a2d0916c57f3fac756c6d6af149b44781d
User & Date: drh 2015-03-03 16:58:56.782
Context
2015-03-03
19:56
Fix compiler warnings when compiling under VxWorks 7. (check-in: 55c21521a6 user: drh tags: trunk)
16:58
Enhance SQLITE_ALLOW_URI_AUTHORITITY to elide //localhost/ and to deal with dodgy URIs that contain too many "/" characters. (check-in: 39b566a2d0 user: drh tags: trunk)
14:00
Fix over-length source code lines in the main.c source file. (check-in: debba6f161 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/main.c.
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    flags |= SQLITE_OPEN_URI;

    for(iIn=0; iIn<nUri; iIn++) nByte += (zUri[iIn]=='&');
    zFile = sqlite3_malloc(nByte);
    if( !zFile ) return SQLITE_NOMEM;

    iIn = 5;
#ifndef SQLITE_ALLOW_URI_AUTHORITY












    /* Discard the scheme and authority segments of the URI. */
    if( zUri[5]=='/' && zUri[6]=='/' ){
      iIn = 7;
      while( zUri[iIn] && zUri[iIn]!='/' ) iIn++;
      if( iIn!=7 && (iIn!=16 || memcmp("localhost", &zUri[7], 9)) ){
        *pzErrMsg = sqlite3_mprintf("invalid uri authority: %.*s", 
            iIn-7, &zUri[7]);








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    flags |= SQLITE_OPEN_URI;

    for(iIn=0; iIn<nUri; iIn++) nByte += (zUri[iIn]=='&');
    zFile = sqlite3_malloc(nByte);
    if( !zFile ) return SQLITE_NOMEM;

    iIn = 5;
#ifdef SQLITE_ALLOW_URI_AUTHORITY
    if( strncmp(zUri+5, "///", 3)==0 ){
      iIn = 7;
      /* The following condition causes URIs with five leading / characters
      ** like file://///host/path to be converted into UNCs like //host/path.
      ** The correct URI for that UNC has only two or four leading / characters
      ** file://host/path or file:////host/path.  But 5 leading slashes is a 
      ** common error, we are told, so we handle it as a special case. */
      if( strncmp(zUri+7, "///", 3)==0 ){ iIn++; }
    }else if( strncmp(zUri+5, "//localhost/", 12)==0 ){
      iIn = 16;
    }
#else
    /* Discard the scheme and authority segments of the URI. */
    if( zUri[5]=='/' && zUri[6]=='/' ){
      iIn = 7;
      while( zUri[iIn] && zUri[iIn]!='/' ) iIn++;
      if( iIn!=7 && (iIn!=16 || memcmp("localhost", &zUri[7], 9)) ){
        *pzErrMsg = sqlite3_mprintf("invalid uri authority: %.*s", 
            iIn-7, &zUri[7]);
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