libs/pjproject/patches/140-Ensure-2543-transaction-key-buffer-is-large-enough.patch

   1 From b5f0f8868363c482a2c4ce343e3ee6ad256b0708 Mon Sep 17 00:00:00 2001
   2 From: Mark Michelson <mmichelson@digium.com>
   3 Date: Thu, 13 Apr 2017 16:20:07 -0500
   4 Subject: [PATCH] Ensure 2543 transaction key buffer is large enough.
   5
   6 The CSeq method length needs to be factored into the allocated buffer
   7 length. Otherwise, the buffer may not be large enough to accommodate the
   8 entire key.
   9 ---
  10  pjsip/src/pjsip/sip_transaction.c | 3 ++-
  11  1 file changed, 2 insertions(+), 1 deletion(-)
  12
  13 --- a/pjsip/src/pjsip/sip_transaction.c
  14 +++ b/pjsip/src/pjsip/sip_transaction.c
  15 @@ -288,7 +288,8 @@ static pj_status_t create_tsx_key_2543(
  16      host = &rdata->msg_info.via->sent_by.host;
  17
  18      /* Calculate length required. */
  19 -    len_required = 9 +                     /* CSeq number */
  20 +    len_required = method->name.slen +     /* Method */
  21 +                  9 +                      /* CSeq number */
  22                    rdata->msg_info.from->tag.slen +   /* From tag. */
  23                    rdata->msg_info.cid->id.slen +    /* Call-ID */
  24                    host->slen +             /* Via host. */