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MDEV-11881 Empty coordinates must be rejected in GeoJSON objects.

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Check for the empty 'coordinates' array.
This commit is contained in:
Alexey Botchkov
2017-11-14 13:36:50 +04:00
parent 5632652804
commit 24184938ad
6 changed files with 60 additions and 1 deletions
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35
sql/spatial.cc
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@ -1041,7 +1041,7 @@ bool Gis_line_string::init_from_json(json_engine_t *je, bool er_on_3D,
}
if (n_points < 1)
{
je->s.error= GEOJ_TOO_FEW_POINTS;
je->s.error= Geometry::GEOJ_TOO_FEW_POINTS;
return TRUE;
}
wkb->write_at_position(np_pos, n_points);
@ -1440,6 +1440,15 @@ bool Gis_polygon::init_from_json(json_engine_t *je, bool er_on_3D, String *wkb)
}
n_linear_rings++;
}
if (je->s.error)
return TRUE;
if (n_linear_rings == 0)
{
je->s.error= Geometry::GEOJ_EMPTY_COORDINATES;
return TRUE;
}
wkb->write_at_position(lr_pos, n_linear_rings);
return FALSE;
}
@ -1945,6 +1954,14 @@ bool Gis_multi_point::init_from_json(json_engine_t *je, bool er_on_3D,
n_points++;
}
if (je->s.error)
return TRUE;
if (n_points == 0)
{
je->s.error= Geometry::GEOJ_EMPTY_COORDINATES;
return TRUE;
}
wkb->write_at_position(np_pos, n_points);
return FALSE;
}
@ -2214,6 +2231,15 @@ bool Gis_multi_line_string::init_from_json(json_engine_t *je, bool er_on_3D,
n_line_strings++;
}
if (je->s.error)
return TRUE;
if (n_line_strings == 0)
{
je->s.error= Geometry::GEOJ_EMPTY_COORDINATES;
return TRUE;
}
wkb->write_at_position(ls_pos, n_line_strings);
return FALSE;
}
@ -2603,6 +2629,13 @@ bool Gis_multi_polygon::init_from_json(json_engine_t *je, bool er_on_3D,
n_polygons++;
}
if (je->s.error)
return TRUE;
if (n_polygons == 0)
{
je->s.error= Geometry::GEOJ_EMPTY_COORDINATES;
return TRUE;
}
wkb->write_at_position(np_pos, n_polygons);
return FALSE;
}