diff options
| author |   Tetsuya Murakami <tetsuya.mrk@gmail.com> | 2020-01-16 05:46:29 -0800 |
|---|---|---|
| committer |   Dave Barach <openvpp@barachs.net> | 2020-01-23 15:51:49 +0000 |
| commit | 221b3839b197ea1a0d155dd4b635d4fa3d8123b6 (patch) | |
| tree | a91b0e36ca7d05011b27870e33d3551325986000 /src/plugins/srv6-mobile/node.c | |
| parent | f66f88383848565f65db3029b4c4fbfc424906e1 (diff) | |
srv6-mobile: fix the converity issue
Type: fix
Signed-off-by: Tetsuya Murakami <tetsuya.mrk@gmail.com>
Change-Id: I358a290f4ac121f075f7ee52941beabe478bfba0
Diffstat (limited to 'src/plugins/srv6-mobile/node.c')
| -rw-r--r-- | src/plugins/srv6-mobile/node.c | 47 |
1 files changed, 21 insertions, 26 deletions
diff --git a/src/plugins/srv6-mobile/node.c b/src/plugins/srv6-mobile/node.c index de3bc4a6f0d..08357bb1b0e 100644 --- a/src/plugins/srv6-mobile/node.c +++ b/src/plugins/srv6-mobile/node.c @@ -416,7 +416,7 @@ VLIB_NODE_FN (srv6_end_m_gtp4_e) (vlib_main_t * vm, for (index = 0; index < 2; index++) { sp[index] = dst0.as_u8[offset + 5 + index] << shift; - sp[index] = + sp[index] |= dst0.as_u8[offset + 6 + index] >> (8 - shift); } } @@ -655,7 +655,7 @@ VLIB_NODE_FN (srv6_t_m_gtp4_d) (vlib_main_t * vm, u8 qfi = 0; u8 *qfip = NULL; u16 seq = 0; - u8 *seqp = NULL; + u8 *seqp; u32 offset, shift, index; ip6srv_combo_header_t *ip6srv; gtpu_pdu_session_t *sess = NULL; @@ -668,6 +668,8 @@ VLIB_NODE_FN (srv6_t_m_gtp4_d) (vlib_main_t * vm, teid = hdr->gtpu.teid; teidp = (u8 *) & teid; + seqp = (u8 *) & seq; + gtpu_type = hdr->gtpu.type; if (hdr->gtpu.ver_flags & (GTPU_EXTHDR_FLAG | GTPU_SEQ_FLAG)) @@ -676,7 +678,6 @@ VLIB_NODE_FN (srv6_t_m_gtp4_d) (vlib_main_t * vm, hdr_len += sizeof (gtpu_exthdr_t); seq = hdr->gtpu.ext->seq; - seqp = (u8 *) & seq; if (hdr->gtpu.ext->nextexthdr == GTPU_EXTHDR_PDU_SESSION) { @@ -1202,7 +1203,7 @@ VLIB_NODE_FN (srv6_end_m_gtp6_e) (vlib_main_t * vm, for (index = 0; index < 2; index++) { sp[index] = dst0.as_u8[offset + index] << shift; - sp[index] = + sp[index] |= dst0.as_u8[offset + index + 1] >> (8 - shift); } } @@ -1384,7 +1385,7 @@ VLIB_NODE_FN (srv6_end_m_gtp6_d) (vlib_main_t * vm, u8 qfi; u8 *qfip = NULL; u16 seq = 0; - u8 *seqp = NULL; + u8 *seqp; u32 offset, shift; u32 hdrlen; ip6_header_t *encap = NULL; @@ -1432,13 +1433,14 @@ VLIB_NODE_FN (srv6_end_m_gtp6_d) (vlib_main_t * vm, teid = hdr0->gtpu.teid; teidp = (u8 *) & teid; + seqp = (u8 *) & seq; + if (hdr0->gtpu.ver_flags & (GTPU_EXTHDR_FLAG | GTPU_SEQ_FLAG)) { // Extention header. hdrlen += sizeof (gtpu_exthdr_t); seq = hdr0->gtpu.ext->seq; - seqp = (u8 *) & seq; if (hdr0->gtpu.ext->nextexthdr == GTPU_EXTHDR_PDU_SESSION) { @@ -1469,8 +1471,7 @@ VLIB_NODE_FN (srv6_end_m_gtp6_d) (vlib_main_t * vm, || gtpu_type == GTPU_TYPE_ECHO_REPLY || gtpu_type == GTPU_TYPE_ERROR_INDICATION) { - if (seqp) - clib_memcpy_fast (&seg0.as_u8[offset], seqp, 2); + clib_memcpy_fast (&seg0.as_u8[offset], seqp, 2); } else { @@ -1499,14 +1500,11 @@ VLIB_NODE_FN (srv6_end_m_gtp6_d) (vlib_main_t * vm, || gtpu_type == GTPU_TYPE_ECHO_REPLY || gtpu_type == GTPU_TYPE_ERROR_INDICATION) { - if (seqp) + for (idx = 0; idx < 2; idx++) { - for (idx = 0; idx < 2; idx++) - { - seg0.as_u8[offset + idx] |= seqp[idx] >> shift; - seg0.as_u8[offset + idx + 1] |= - seqp[idx] << (8 - shift); - } + seg0.as_u8[offset + idx] |= seqp[idx] >> shift; + seg0.as_u8[offset + idx + 1] |= + seqp[idx] << (8 - shift); } } else @@ -1840,7 +1838,7 @@ VLIB_NODE_FN (srv6_end_m_gtp6_d_di) (vlib_main_t * vm, u8 qfi = 0; u8 *qfip = NULL; u16 seq = 0; - u8 *seqp = NULL; + u8 *seqp; u32 offset, shift; u32 hdrlen; ip6_header_t *encap = NULL; @@ -1889,13 +1887,14 @@ VLIB_NODE_FN (srv6_end_m_gtp6_d_di) (vlib_main_t * vm, teid = hdr0->gtpu.teid; teidp = (u8 *) & teid; + seqp = (u8 *) & seq; + if (hdr0->gtpu.ver_flags & (GTPU_EXTHDR_FLAG | GTPU_SEQ_FLAG)) { // Extention header. hdrlen += sizeof (gtpu_exthdr_t); seq = hdr0->gtpu.ext->seq; - seqp = (u8 *) & seq; if (hdr0->gtpu.ext->nextexthdr == GTPU_EXTHDR_PDU_SESSION) { @@ -1924,8 +1923,7 @@ VLIB_NODE_FN (srv6_end_m_gtp6_d_di) (vlib_main_t * vm, || gtpu_type == GTPU_TYPE_ECHO_REPLY || gtpu_type == GTPU_TYPE_ERROR_INDICATION) { - if (seqp) - clib_memcpy_fast (&seg0.as_u8[offset], seqp, 2); + clib_memcpy_fast (&seg0.as_u8[offset], seqp, 2); } else { @@ -1954,14 +1952,11 @@ VLIB_NODE_FN (srv6_end_m_gtp6_d_di) (vlib_main_t * vm, || gtpu_type == GTPU_TYPE_ECHO_REPLY || gtpu_type == GTPU_TYPE_ERROR_INDICATION) { - if (seqp) + for (idx = 0; idx < 2; idx++) { - for (idx = 0; idx < 2; idx++) - { - seg0.as_u8[offset + idx] |= seqp[idx] >> shift; - seg0.as_u8[offset + idx + 1] |= - seqp[idx] << (8 - shift); - } + seg0.as_u8[offset + idx] |= seqp[idx] >> shift; + seg0.as_u8[offset + idx + 1] |= + seqp[idx] << (8 - shift); } } else |