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The branch, devel/master_iploopup has been created at 4ae4c2d7a74eabe840609c14674653de84f11854 (commit)

- Log ----------------------------------------------------------------- commit 4ae4c2d7a74eabe840609c14674653de84f11854 Author: Maxim Uvarov maxim.uvarov@linaro.org Date: Tue Sep 11 16:35:27 2018 +0300

helper: iplookuptable fix puting values to table

On putting values to table we have to validate input data and reject unaccepted data.

Signed-off-by: Maxim Uvarov maxim.uvarov@linaro.org

diff --git a/helper/iplookuptable.c b/helper/iplookuptable.c index 61f63402..b0141c31 100644 --- a/helper/iplookuptable.c +++ b/helper/iplookuptable.c @@ -585,24 +585,25 @@ prefix_insert_into_lx( odph_iplookup_table_impl *tbl, prefix_entry_t *entry, uint8_t cidr, odp_buffer_t nexthop, uint8_t level) { - uint8_t ret = 0; + int ret = 0; uint32_t i = 0, limit = (1 << (level - cidr)); prefix_entry_t *e = entry, *ne = NULL;

for (i = 0; i < limit; i++, e++) { - if (e->child == 1) { - if (e->cidr > cidr) - continue; + if (e->cidr > cidr) + continue;

+ if (e->child == 1) { e->cidr = cidr; /* push to next level */ ne = (prefix_entry_t *)e->ptr; ret = prefix_insert_into_lx( tbl, ne, cidr, nexthop, cidr + 8); + if (ret == -1) + return -1; + if (ret == 0) + return ret; } else { - if (e->cidr > cidr) - continue; - e->child = 0; e->cidr = cidr; e->nexthop = nexthop; @@ -678,8 +679,9 @@ odph_iplookup_table_put_value(odph_table_t tbl, void *key, void *value)

nexthop = *((odp_buffer_t *)value);

- if (prefix->cidr == 0) + if (prefix->cidr == 0 || prefix->cidr == 255) return -1; + prefix->ip = prefix->ip & (0xffffffff << (IP_LENGTH - prefix->cidr));

/* insert into trie */

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