diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/decoder/plugins/DsdLib.cxx | 19 | ||||
| -rw-r--r-- | src/input/plugins/MmsInputPlugin.cxx | 7 |
2 files changed, 20 insertions, 6 deletions
diff --git a/src/decoder/plugins/DsdLib.cxx b/src/decoder/plugins/DsdLib.cxx index 13f6bc846..9da08f3eb 100644 --- a/src/decoder/plugins/DsdLib.cxx +++ b/src/decoder/plugins/DsdLib.cxx @@ -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)) + id3_byte_t *const id3_buf = static_cast<id3_byte_t*>(xalloc(count)); + + if (!decoder_read_full(nullptr, is, id3_buf, count)) { + free(id3_buf); return; + } - struct id3_tag *id3_tag = id3_tag_parse(dsdid3, count); - if (id3_tag == nullptr) + 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 diff --git a/src/input/plugins/MmsInputPlugin.cxx b/src/input/plugins/MmsInputPlugin.cxx index 1aed9c662..df291bc84 100644 --- a/src/input/plugins/MmsInputPlugin.cxx +++ b/src/input/plugins/MmsInputPlugin.cxx @@ -92,6 +92,13 @@ input_mms_open(const char *url, size_t MmsInputStream::ThreadRead(void *ptr, size_t read_size, Error &error) { + /* unfortunately, mmsx_read() blocks until the whole buffer + has been filled; to avoid big latencies, limit the size of + each chunk we read to a reasonable size */ + constexpr size_t MAX_CHUNK = 16384; + if (read_size > MAX_CHUNK) + read_size = MAX_CHUNK; + int nbytes = mmsx_read(nullptr, mms, (char *)ptr, read_size); if (nbytes <= 0) { if (nbytes < 0) |