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Don't allow the initial coordinate pair to be out of bounds

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This commit is contained in:
Eric Fischer 2016-02-02 13:33:49 -08:00
parent 54d9e20e30
commit 59c5d51e25
1 changed files with 16 additions and 8 deletions
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24
geojson.c
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@ -197,10 +197,18 @@ void parse_geometry(int t, json_object *j, long long *bbox, long long *fpos, FIL
}
if (!*initialized) {
*initial_x = (x >> geometry_scale) << geometry_scale;
*initial_y = (y >> geometry_scale) << geometry_scale;
*wx = x;
*wy = y;
if (x < 0 || x >= (1LL << 32) || y < 0 || y >= (1LL < 32)) {
*initial_x = 1LL << 31;
*initial_y = 1LL << 31;
*wx = 1LL << 31;
*wy = 1LL << 31;
} else {
*initial_x = (x >> geometry_scale) << geometry_scale;
*initial_y = (y >> geometry_scale) << geometry_scale;
*wx = x;
*wy = y;
}
*initialized = 1;
}
@ -451,7 +459,7 @@ long long addpool(struct memfile *poolfile, struct memfile *treefile, char *s, c
return off;
}
int serialize_geometry(json_object *geometry, json_object *properties, const char *reading, int line, long long *layer_seq, volatile long long *progress_seq, long long *metapos, long long *geompos, long long *indexpos, struct pool *exclude, struct pool *include, int exclude_all, FILE *metafile, FILE *geomfile, FILE *indexfile, struct memfile *poolfile, struct memfile *treefile, const char *fname, int maxzoom, int basezoom, int layer, double droprate, long long *file_bbox, json_object *tippecanoe, int segment, int *initialized, unsigned *initial_x, unsigned *initial_y) {
int serialize_geometry(json_object *geometry, json_object *properties, const char *reading, int line, volatile long long *layer_seq, volatile long long *progress_seq, long long *metapos, long long *geompos, long long *indexpos, struct pool *exclude, struct pool *include, int exclude_all, FILE *metafile, FILE *geomfile, FILE *indexfile, struct memfile *poolfile, struct memfile *treefile, const char *fname, int maxzoom, int basezoom, int layer, double droprate, long long *file_bbox, json_object *tippecanoe, int segment, int *initialized, unsigned *initial_x, unsigned *initial_y) {
json_object *geometry_type = json_hash_get(geometry, "type");
if (geometry_type == NULL) {
static int warned = 0;
@ -652,7 +660,7 @@ int serialize_geometry(json_object *geometry, json_object *properties, const cha
return 1;
}
void parse_json(json_pull *jp, const char *reading, long long *layer_seq, volatile long long *progress_seq, long long *metapos, long long *geompos, long long *indexpos, struct pool *exclude, struct pool *include, int exclude_all, FILE *metafile, FILE *geomfile, FILE *indexfile, struct memfile *poolfile, struct memfile *treefile, char *fname, int maxzoom, int basezoom, int layer, double droprate, long long *file_bbox, int segment, int *initialized, unsigned *initial_x, unsigned *initial_y) {
void parse_json(json_pull *jp, const char *reading, volatile long long *layer_seq, volatile long long *progress_seq, long long *metapos, long long *geompos, long long *indexpos, struct pool *exclude, struct pool *include, int exclude_all, FILE *metafile, FILE *geomfile, FILE *indexfile, struct memfile *poolfile, struct memfile *treefile, char *fname, int maxzoom, int basezoom, int layer, double droprate, long long *file_bbox, int segment, int *initialized, unsigned *initial_x, unsigned *initial_y) {
long long found_hashes = 0;
long long found_features = 0;
long long found_geometries = 0;
@ -767,7 +775,7 @@ void parse_json(json_pull *jp, const char *reading, long long *layer_seq, volati
struct parse_json_args {
json_pull *jp;
const char *reading;
long long *layer_seq;
volatile long long *layer_seq;
volatile long long *progress_seq;
long long *metapos;
long long *geompos;
@ -932,7 +940,7 @@ void do_read_parallel(char *map, long long len, long long initial_offset, const
}
}
long long layer_seq[CPUS];
volatile long long layer_seq[CPUS];
for (i = 0; i < CPUS; i++) {
// To preserve feature ordering, unique id for each segment
// begins with that segment's offset into the input