diff options
| author | Carlos Falgueras García <carlosfg@riseup.net> | 2016-07-11 18:07:40 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2016-07-11 19:14:54 +0200 |
| commit | bda7102d60bfdab2aa3f36ebd09a119206f264d0 (patch) | |
| tree | b53ca0f0bc4aefa48d408276f7b62f62c5a4ede5 /src/chain.c | |
| parent | 8f1e916b9856785cb835a2d550c9605e86937055 (diff) | |
src: Fix nftnl_*_get_data() to return the real attribute length
All getters must set the memory size of the attributes, ie. this
includes the nul-termination in strings.
For references to opaque objects hidden behind the curtain, report
a zero size.
Signed-off-by: Carlos Falgueras García <carlosfg@riseup.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/chain.c')
| -rw-r--r-- | src/chain.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/chain.c b/src/chain.c index cab64b5..4c562fe 100644 --- a/src/chain.c +++ b/src/chain.c @@ -272,8 +272,10 @@ const void *nftnl_chain_get_data(const struct nftnl_chain *c, uint16_t attr, switch(attr) { case NFTNL_CHAIN_NAME: + *data_len = strlen(c->name) + 1; return c->name; case NFTNL_CHAIN_TABLE: + *data_len = strlen(c->table) + 1; return c->table; case NFTNL_CHAIN_HOOKNUM: *data_len = sizeof(uint32_t); @@ -303,6 +305,7 @@ const void *nftnl_chain_get_data(const struct nftnl_chain *c, uint16_t attr, *data_len = sizeof(uint32_t); return c->type; case NFTNL_CHAIN_DEV: + *data_len = strlen(c->dev) + 1; return c->dev; } return NULL; |