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add some asserts to catch buffer overflow

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This commit is contained in:
Anthony Minessale 2014-10-27 15:06:46 -04:00
parent f772b400bf
commit 0386db7dfd
1 changed files with 12 additions and 0 deletions
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12
src/switch_core_io.c
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@ -892,12 +892,16 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_read_frame(switch_core_sessi
switch_assert(enc_frame->data != NULL);
session->read_codec->cur_frame = enc_frame;
enc_frame->codec->cur_frame = enc_frame;
switch_assert(enc_frame->datalen <= SWITCH_RECOMMENDED_BUFFER_SIZE);
switch_assert(session->enc_read_frame.datalen <= SWITCH_RECOMMENDED_BUFFER_SIZE);
status = switch_core_codec_encode(session->read_codec,
enc_frame->codec,
enc_frame->data,
enc_frame->datalen,
session->read_impl.actual_samples_per_second,
session->enc_read_frame.data, &session->enc_read_frame.datalen, &session->enc_read_frame.rate, &flag);
switch_assert(session->enc_read_frame.datalen <= SWITCH_RECOMMENDED_BUFFER_SIZE);
session->read_codec->cur_frame = NULL;
enc_frame->codec->cur_frame = NULL;
switch (status) {
@ -1475,6 +1479,8 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_write_frame(switch_core_sess
session->enc_write_frame.datalen = session->enc_write_frame.buflen;
session->write_codec->cur_frame = frame;
frame->codec->cur_frame = frame;
switch_assert(enc_frame->datalen <= SWITCH_RECOMMENDED_BUFFER_SIZE);
switch_assert(session->enc_read_frame.datalen <= SWITCH_RECOMMENDED_BUFFER_SIZE);
status = switch_core_codec_encode(session->write_codec,
frame->codec,
enc_frame->data,
@ -1482,6 +1488,8 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_write_frame(switch_core_sess
session->write_impl.actual_samples_per_second,
session->enc_write_frame.data, &session->enc_write_frame.datalen, &session->enc_write_frame.rate, &flag);
switch_assert(session->enc_read_frame.datalen <= SWITCH_RECOMMENDED_BUFFER_SIZE);
session->write_codec->cur_frame = NULL;
frame->codec->cur_frame = NULL;
switch (status) {
@ -1582,6 +1590,8 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_write_frame(switch_core_sess
session->write_codec->cur_frame = frame;
frame->codec->cur_frame = frame;
switch_assert(enc_frame->datalen <= SWITCH_RECOMMENDED_BUFFER_SIZE);
switch_assert(session->enc_read_frame.datalen <= SWITCH_RECOMMENDED_BUFFER_SIZE);
status = switch_core_codec_encode(session->write_codec,
frame->codec,
enc_frame->data,
@ -1589,6 +1599,8 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_write_frame(switch_core_sess
rate,
session->enc_write_frame.data, &session->enc_write_frame.datalen, &session->enc_write_frame.rate, &flag);
switch_assert(session->enc_read_frame.datalen <= SWITCH_RECOMMENDED_BUFFER_SIZE);
session->write_codec->cur_frame = NULL;
frame->codec->cur_frame = NULL;
switch (status) {