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Ensure length is at least ID_LEN in SetTicket. #9782

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Merged
SparkiDev merged 4 commits into from
Mar 2, 2026
+12 −3
Merged

Ensure length is at least ID_LEN in SetTicket. #9782

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0463e37
Pad session ID with 0s if session ticket length is less than ID_LEN.
kareem-wolfssl Feb 23, 2026
9a0c18c
Work around error: enumerated and non-enumerated type in conditional …
kareem-wolfssl Feb 24, 2026
3d5c03a
Merge branch 'master' of https://github.com/wolfSSL/wolfssl into zd21204
kareem-wolfssl Feb 27, 2026
aaf6aa5
Code review feedback
kareem-wolfssl Feb 27, 2026
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15 changes: 12 additions & 3 deletions src/internal.c
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Original file line number Diff line number Diff line change
Expand Up @@ -34817,6 +34817,8 @@ int SendCertificateVerify(WOLFSSL* ssl)
#ifdef HAVE_SESSION_TICKET
int SetTicket(WOLFSSL* ssl, const byte* ticket, word32 length)
{
word32 sessIdLen = ID_LEN;

if (!HaveUniqueSessionObj(ssl))
return MEMORY_ERROR;

Expand All @@ -34838,26 +34840,33 @@ int SetTicket(WOLFSSL* ssl, const byte* ticket, word32 length)
ssl->session->ticketLen = (word16)length;

if (length > 0) {
if (length < ID_LEN)
sessIdLen = length;
XMEMCPY(ssl->session->ticket, ticket, length);
if (ssl->session_ticket_cb != NULL) {
ssl->session_ticket_cb(ssl,
ssl->session->ticket, ssl->session->ticketLen,
ssl->session->ticket,
ssl->session->ticketLen,
ssl->session_ticket_ctx);
}
/* Create a fake sessionID based on the ticket, this will
* supersede the existing session cache info. */
ssl->options.haveSessionId = 1;
#ifdef WOLFSSL_TLS13
if (ssl->options.tls1_3) {
XMEMSET(ssl->session->sessionID, 0, ID_LEN);
XMEMCPY(ssl->session->sessionID,
ssl->session->ticket + length - ID_LEN, ID_LEN);
ssl->session->ticket + length - sessIdLen,
sessIdLen);
ssl->session->sessionIDSz = ID_LEN;
}
else
#endif
{
XMEMSET(ssl->arrays->sessionID, 0, ID_LEN);
XMEMCPY(ssl->arrays->sessionID,
ssl->session->ticket + length - ID_LEN, ID_LEN);
ssl->session->ticket + length - sessIdLen,
sessIdLen);
ssl->arrays->sessionIDSz = ID_LEN;
}
}
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