Date: Fri, 30 Apr 2021 11:33:25 GMT From: Michael Tuexen <tuexen@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: e010d20032c8 - main - sctp: update the vtag for INIT and INIT-ACK chunks Message-ID: <202104301133.13UBXPQF011836@gitrepo.freebsd.org>
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The branch main has been updated by tuexen: URL: https://cgit.FreeBSD.org/src/commit/?id=e010d20032c8c2a04da103b3402a8d24bd682dd5 commit e010d20032c8c2a04da103b3402a8d24bd682dd5 Author: Michael Tuexen <tuexen@FreeBSD.org> AuthorDate: 2021-04-30 11:31:38 +0000 Commit: Michael Tuexen <tuexen@FreeBSD.org> CommitDate: 2021-04-30 11:33:16 +0000 sctp: update the vtag for INIT and INIT-ACK chunks This is needed in case of responding with an ABORT to an INIT-ACK. --- sys/netinet/sctputil.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/sys/netinet/sctputil.c b/sys/netinet/sctputil.c index 5d4b3347a2c9..2c10ab158c83 100644 --- a/sys/netinet/sctputil.c +++ b/sys/netinet/sctputil.c @@ -4553,7 +4553,7 @@ sctp_handle_ootb(struct mbuf *m, int iphlen, int offset, * if there is return 1, else return 0. */ int -sctp_is_there_an_abort_here(struct mbuf *m, int iphlen, uint32_t *vtagfill) +sctp_is_there_an_abort_here(struct mbuf *m, int iphlen, uint32_t *vtag) { struct sctp_chunkhdr *ch; struct sctp_init_chunk *init_chk, chunk_buf; @@ -4574,12 +4574,13 @@ sctp_is_there_an_abort_here(struct mbuf *m, int iphlen, uint32_t *vtagfill) /* yep, tell them */ return (1); } - if (ch->chunk_type == SCTP_INITIATION) { + if ((ch->chunk_type == SCTP_INITIATION) || + (ch->chunk_type == SCTP_INITIATION_ACK)) { /* need to update the Vtag */ init_chk = (struct sctp_init_chunk *)sctp_m_getptr(m, - offset, sizeof(*init_chk), (uint8_t *)&chunk_buf); + offset, sizeof(struct sctp_init_chunk), (uint8_t *)&chunk_buf); if (init_chk != NULL) { - *vtagfill = ntohl(init_chk->init.initiate_tag); + *vtag = ntohl(init_chk->init.initiate_tag); } } /* Nope, move to the next chunk */
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