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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/http_static/http_static.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/http_static/http_static.c')
-rw-r--r--src/plugins/http_static/http_static.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/src/plugins/http_static/http_static.c b/src/plugins/http_static/http_static.c
index 2ad4acfb0c1..6000cf62219 100644
--- a/src/plugins/http_static/http_static.c
+++ b/src/plugins/http_static/http_static.c
@@ -66,22 +66,16 @@ static void vl_api_http_static_enable_t_handler
vl_api_http_static_enable_reply_t *rmp;
http_static_main_t *hmp = &http_static_main;
int rv;
- u8 *www_root = 0;
- u8 *uri = 0;
- char *p = (char *) &mp->www_root;
- www_root = vl_api_from_api_to_vec ((vl_api_string_t *) p);
- p += vl_api_string_len ((vl_api_string_t *) p) + sizeof (vl_api_string_t);
- uri = vl_api_from_api_to_vec ((vl_api_string_t *) p);
+ mp->uri[ARRAY_LEN (mp->uri) - 1] = 0;
+ mp->www_root[ARRAY_LEN (mp->www_root) - 1] = 0;
rv = http_static_server_enable_api
(ntohl (mp->fifo_size),
ntohl (mp->cache_size_limit),
ntohl (mp->prealloc_fifos),
- ntohl (mp->private_segment_size), www_root, uri);
+ ntohl (mp->private_segment_size), mp->www_root, mp->uri);
- vec_free (www_root);
- vec_free (uri);
REPLY_MACRO (VL_API_HTTP_STATIC_ENABLE_REPLY);
}