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authorOle Troan <ot@cisco.com>2019-08-23 22:55:18 +0200
committerAndrew Yourtchenko <ayourtch@gmail.com>2019-09-03 20:04:13 +0000
commite5ff5a36dd126ee57dca4e0b03da2f7704e0a4f5 (patch)
tree2108baa60e8a697624288fe2c3050be29697bc88 /src/plugins/map/map_api.c
parentb6fde4a8bae474c6b73d08d223028f42e396d452 (diff)
api: enforce vla is last and fixed string type
Enforce that variable length fields are the last element of API messages. Add a 'fixed' version of string type, since dealing with multiple variable length strings turned out too painful for the C language bindings. The string type is now: { string name[64]; // NUL terminated C-string. Essentially decays to u8 name[64] string name[]; // Variable length string with embedded len field (vl_api_string_t) }; The latter notation could be made available to other types as well. e.g. { vl_api_address_t addresses[]; } instead of { u32 n_addr; vl_api_address_t addresses[n_addr]; }; Type: fix Change-Id: I18fa17ef47227633752ab50453e8d20a652a9f9b Signed-off-by: Ole Troan <ot@cisco.com>
Diffstat (limited to 'src/plugins/map/map_api.c')
-rw-r--r--src/plugins/map/map_api.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/src/plugins/map/map_api.c b/src/plugins/map/map_api.c
index 1e50ba1b714..394ec243dbf 100644
--- a/src/plugins/map/map_api.c
+++ b/src/plugins/map/map_api.c
@@ -53,8 +53,8 @@ vl_api_map_add_domain_t_handler (vl_api_map_add_domain_t * mp)
int rv = 0;
u32 index;
u8 flags = 0;
- u8 *vtag = 0;
- vtag = vl_api_from_api_to_vec (&mp->tag);
+
+ u8 *tag = format (0, "%s", mp->tag);
rv =
map_create_domain ((ip4_address_t *) & mp->ip4_prefix.address,
mp->ip4_prefix.len,
@@ -62,9 +62,8 @@ vl_api_map_add_domain_t_handler (vl_api_map_add_domain_t * mp)
mp->ip6_prefix.len,
(ip6_address_t *) & mp->ip6_src.address,
mp->ip6_src.len, mp->ea_bits_len, mp->psid_offset,
- mp->psid_length, &index, ntohs (mp->mtu), flags, vtag);
- vec_free (vtag);
-
+ mp->psid_length, &index, ntohs (mp->mtu), flags, tag);
+ vec_free (tag);
/* *INDENT-OFF* */
REPLY_MACRO2(VL_API_MAP_ADD_DOMAIN_REPLY,
({
@@ -140,7 +139,7 @@ vl_api_map_domain_dump_t_handler (vl_api_map_domain_dump_t * mp)
rmp->flags = d->flags;
rmp->mtu = htons(d->mtu);
- vl_api_vec_to_api_string (de->tag, &rmp->tag );
+ strncpy ((char *) rmp->tag, (char *) de->tag, ARRAY_LEN(rmp->tag)-1);
vl_api_send_msg (reg, (u8 *) rmp);
}));