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wolfssh
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Code Issues Releases Wiki Activity

add sanity check on amount requested to be sent

pull/270/head
Jacob Barthelmeh 2020-07-20 23:11:59 -06:00
parent 5949cd32de
commit ec6e7463d2
1 changed files with 10 additions and 1 deletions
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11
src/internal.c
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@ -1456,7 +1456,16 @@ int wolfSSH_SendPacket(WOLFSSH* ssh)
}
while (ssh->outputBuffer.length > 0) {
int sent = ssh->ctx->ioSendCb(ssh,
int sent;
/* sanity check on amount requested to be sent */
if (ssh->outputBuffer.idx + ssh->outputBuffer.length >
ssh->outputBuffer.bufferSz) {
WLOG(WS_LOG_ERROR, "Bad buffer state");
return WS_BUFFER_E;
}
sent = ssh->ctx->ioSendCb(ssh,
ssh->outputBuffer.buffer + ssh->outputBuffer.idx,
ssh->outputBuffer.length, ssh->ioWriteCtx);