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| author | Michael Tuexen <tuexen@FreeBSD.org> | 2021-04-30 11:31:38 +0000 |
|---|---|---|
| committer | Michael Tuexen <tuexen@FreeBSD.org> | 2021-06-02 21:47:00 +0000 |
| commit | 1f663bc4baeb984a256f939eb6e019e61f400e3b (patch) | |
| tree | 76a210a08c8c677876822a7bcfbb1e85fc56c351 | |
| parent | 4e71474ed97a39aa8f0c6fcfa9136555dde89d64 (diff) | |
| download | src-1f663bc4baeb984a256f939eb6e019e61f400e3b.tar.gz src-1f663bc4baeb984a256f939eb6e019e61f400e3b.zip | |
sctp: update the vtag for INIT and INIT-ACK chunks
This is needed in case of responding with an ABORT to an INIT-ACK.
(cherry picked from commit e010d20032c8c2a04da103b3402a8d24bd682dd5)
| -rw-r--r-- | sys/netinet/sctputil.c | 9 |
1 files 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 */ |