Merge branch 'v0.19.x'

This commit is contained in:
Max Kellermann
2014-12-23 20:43:15 +01:00
4 changed files with 29 additions and 9 deletions

View File

@@ -29,8 +29,10 @@
#include "input/InputStream.hxx"
#include "tag/TagId3.hxx"
#include "util/Error.hxx"
#include "util/Alloc.hxx"
#include <string.h>
#include <stdlib.h>
#ifdef ENABLE_ID3TAG
#include <id3tag.h>
@@ -123,22 +125,27 @@ dsdlib_tag_id3(InputStream &is,
const id3_length_t count = size - offset;
/* Check and limit id3 tag size to prevent a stack overflow */
id3_byte_t dsdid3[4096];
if (count == 0 || count > sizeof(dsdid3))
if (count < 10 || count > 256*1024)
return;
if (!decoder_read_full(nullptr, is, dsdid3, count))
return;
id3_byte_t *const id3_buf = static_cast<id3_byte_t*>(xalloc(count));
struct id3_tag *id3_tag = id3_tag_parse(dsdid3, count);
if (id3_tag == nullptr)
if (!decoder_read_full(nullptr, is, id3_buf, count)) {
free(id3_buf);
return;
}
struct id3_tag *id3_tag = id3_tag_parse(id3_buf, count);
if (id3_tag == nullptr) {
free(id3_buf);
return;
}
scan_id3_tag(id3_tag, handler, handler_ctx);
id3_tag_delete(id3_tag);
free(id3_buf);
return;
}
#endif