Fossil: Check-in [e766df0a]

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Overview

Comment:	Make use of %q instead of %s to avoid SQL injections.
Downloads:	Tarball \| ZIP archive \| SQL archive
Timelines:	family \| ancestors \| descendants \| both \| trunk
Files:	files \| file ages \| folders
SHA1:	e766df0a69a317946270ec41a33753937532e18a
User & Date:	drh 2012-08-22 20:19:15

Context

2012-08-22
21:30		two minor typos check-in: 544c1635 user: jan.nijtmans tags: trunk
20:19		Make use of %q instead of %s to avoid SQL injections. check-in: e766df0a user: drh tags: trunk
11:51		Merge the TCL argument handling patches into trunk. check-in: b6a7e52c user: drh tags: trunk

Changes

Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to src/add.c.

  if( zAll==0 ){
    Blob x;
    int i;
    const char *z;
    blob_zero(&x);
    for(i=0; (z = fossil_reserved_name(i))!=0; i++){
      if( i>0 ) blob_append(&x, ",", 1);
      blob_appendf(&x, "'%s'", z);
    }
    zAll = blob_str(&x);
  }
  return zAll;
}

/*
................................................................................
** Rename a single file.
**
** The original name of the file is zOrig.  The new filename is zNew.
*/
static void mv_one_file(int vid, const char *zOrig, const char *zNew){
  fossil_print("RENAME %s %s\n", zOrig, zNew);
  db_multi_exec(
    "UPDATE vfile SET pathname='%s' WHERE pathname='%s' AND vid=%d",
    zNew, zOrig, vid
  );
}

/*
** COMMAND: mv
** COMMAND: rename*
................................................................................
        const char *zTail;
        if( nPath==nOrig ){
          zTail = file_tail(zPath);
        }else{
          zTail = &zPath[nOrig+1];
        }
        db_multi_exec(
          "INSERT INTO mv VALUES('%s','%s%s')",
          zPath, blob_str(&dest), zTail
        );
      }
      db_finalize(&q);
    }
  }
  db_prepare(&q, "SELECT f, t FROM mv ORDER BY f");

  if( zAll==0 ){
    Blob x;
    int i;
    const char *z;
    blob_zero(&x);
    for(i=0; (z = fossil_reserved_name(i))!=0; i++){
      if( i>0 ) blob_append(&x, ",", 1);
      blob_appendf(&x, "'%q'", z);
    }
    zAll = blob_str(&x);
  }
  return zAll;
}

/*
................................................................................
** Rename a single file.
**
** The original name of the file is zOrig.  The new filename is zNew.
*/
static void mv_one_file(int vid, const char *zOrig, const char *zNew){
  fossil_print("RENAME %s %s\n", zOrig, zNew);
  db_multi_exec(
    "UPDATE vfile SET pathname='%q' WHERE pathname='%q' AND vid=%d",
    zNew, zOrig, vid
  );
}

/*
** COMMAND: mv
** COMMAND: rename*
................................................................................
        const char *zTail;
        if( nPath==nOrig ){
          zTail = file_tail(zPath);
        }else{
          zTail = &zPath[nOrig+1];
        }
        db_multi_exec(
          "INSERT INTO mv VALUES('%q','%q%q')",
          zPath, blob_str(&dest), zTail
        );
      }
      db_finalize(&q);
    }
  }
  db_prepare(&q, "SELECT f, t FROM mv ORDER BY f");

Changes to src/branch.c.

  zBranch = g.argv[3];
  if( zBranch==0 || zBranch[0]==0 ){
    fossil_panic("branch name cannot be empty");
  }
  if( db_exists(
        "SELECT 1 FROM tagxref"
        " WHERE tagtype>0"
        "   AND tagid=(SELECT tagid FROM tag WHERE tagname='sym-%s')",
        zBranch)!=0 ){
    fossil_fatal("branch \"%s\" already exists", zBranch);
  }

  user_select();
  db_begin_transaction();
  rootid = name_to_typed_rid(g.argv[4], "ci");

  zBranch = g.argv[3];
  if( zBranch==0 || zBranch[0]==0 ){
    fossil_panic("branch name cannot be empty");
  }
  if( db_exists(
        "SELECT 1 FROM tagxref"
        " WHERE tagtype>0"
        "   AND tagid=(SELECT tagid FROM tag WHERE tagname='sym-%q')",
        zBranch)!=0 ){
    fossil_fatal("branch \"%s\" already exists", zBranch);
  }

  user_select();
  db_begin_transaction();
  rootid = name_to_typed_rid(g.argv[4], "ci");

Changes to src/info.c.

  int cnt = 0;
  db_prepare(&q,
    "SELECT tag.tagid, tagname, "
    "       (SELECT uuid FROM blob WHERE rid=tagxref.srcid AND rid!=%d),"
    "       value, datetime(tagxref.mtime,'localtime'), tagtype,"
    "       (SELECT uuid FROM blob WHERE rid=tagxref.origid AND rid!=%d)"
    "  FROM tagxref JOIN tag ON tagxref.tagid=tag.tagid"
    " WHERE tagxref.rid=%d AND tagname NOT GLOB '%s'"
    " ORDER BY tagname /*sort*/", rid, rid, rid, zNotGlob
  );
  while( db_step(&q)==SQLITE_ROW ){
    const char *zTagname = db_column_text(&q, 1);
    const char *zSrcUuid = db_column_text(&q, 2);
    const char *zValue = db_column_text(&q, 3);
    const char *zDate = db_column_text(&q, 4);

  int cnt = 0;
  db_prepare(&q,
    "SELECT tag.tagid, tagname, "
    "       (SELECT uuid FROM blob WHERE rid=tagxref.srcid AND rid!=%d),"
    "       value, datetime(tagxref.mtime,'localtime'), tagtype,"
    "       (SELECT uuid FROM blob WHERE rid=tagxref.origid AND rid!=%d)"
    "  FROM tagxref JOIN tag ON tagxref.tagid=tag.tagid"
    " WHERE tagxref.rid=%d AND tagname NOT GLOB '%q'"
    " ORDER BY tagname /*sort*/", rid, rid, rid, zNotGlob
  );
  while( db_step(&q)==SQLITE_ROW ){
    const char *zTagname = db_column_text(&q, 1);
    const char *zSrcUuid = db_column_text(&q, 2);
    const char *zValue = db_column_text(&q, 3);
    const char *zDate = db_column_text(&q, 4);

Changes to src/tkt.c.

          blob_appendf(&tktchng, "J %s %#F\n", azField[i], nValue, zValue);
        }
      }
    }
  }
  if( *(char**)pUuid ){
    zUuid = db_text(0, 
       "SELECT tkt_uuid FROM ticket WHERE tkt_uuid GLOB '%s*'", P("name")
    );
  }else{
    zUuid = db_text(0, "SELECT lower(hex(randomblob(20)))");
  }
  *(const char**)pUuid = zUuid;
  blob_appendf(&tktchng, "K %s\n", zUuid);
  blob_appendf(&tktchng, "U %F\n", g.zLogin ? g.zLogin : "");

          blob_appendf(&tktchng, "J %s %#F\n", azField[i], nValue, zValue);
        }
      }
    }
  }
  if( *(char**)pUuid ){
    zUuid = db_text(0, 
       "SELECT tkt_uuid FROM ticket WHERE tkt_uuid GLOB '%q*'", P("name")
    );
  }else{
    zUuid = db_text(0, "SELECT lower(hex(randomblob(20)))");
  }
  *(const char**)pUuid = zUuid;
  blob_appendf(&tktchng, "K %s\n", zUuid);
  blob_appendf(&tktchng, "U %F\n", g.zLogin ? g.zLogin : "");