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authorCarlos Falgueras García <carlosfg@riseup.net>2016-07-11 18:07:40 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2016-07-11 19:14:54 +0200
commitbda7102d60bfdab2aa3f36ebd09a119206f264d0 (patch)
treeb53ca0f0bc4aefa48d408276f7b62f62c5a4ede5 /src/trace.c
parent8f1e916b9856785cb835a2d550c9605e86937055 (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/trace.c')
-rw-r--r--src/trace.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/trace.c b/src/trace.c
index d8f561d..1a50390 100644
--- a/src/trace.c
+++ b/src/trace.c
@@ -165,13 +165,13 @@ const void *nftnl_trace_get_data(const struct nftnl_trace *trace,
*data_len = sizeof(uint32_t);
return &trace->type;
case NFTNL_TRACE_CHAIN:
- *data_len = strlen(trace->chain);
+ *data_len = strlen(trace->chain) + 1;
return trace->chain;
case NFTNL_TRACE_TABLE:
- *data_len = strlen(trace->table);
+ *data_len = strlen(trace->table) + 1;
return trace->table;
case NFTNL_TRACE_JUMP_TARGET:
- *data_len = strlen(trace->jump_target);
+ *data_len = strlen(trace->jump_target) + 1;
return trace->jump_target;
case NFTNL_TRACE_TRANSPORT_HEADER:
*data_len = trace->th.len;