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ircd::conf: Enforce a max length on name strings.

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This commit is contained in:
Jason Volk 2018-09-15 02:20:00 -07:00
parent 1711df33a9
commit 71d772a80c
2 changed files with 17 additions and 0 deletions
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2
include/ircd/conf.h
View file

@ -62,6 +62,8 @@ namespace ircd::conf
template<>
struct ircd::conf::item<void>
{
static const size_t NAME_MAX_LEN;
json::strung feature_;
json::object feature;
string_view name;

15
ircd/conf.cc
View file

@ -135,6 +135,12 @@ ircd::conf::exists(const string_view &key)
// item
//
decltype(ircd::conf::item<void>::NAME_MAX_LEN)
ircd::conf::item<void>::NAME_MAX_LEN
{
127
};
/// Conf item abstract constructor.
ircd::conf::item<void>::item(const json::members &opts,
conf::set_cb set_cb)
@ -155,6 +161,15 @@ ircd::conf::item<void>::item(const json::members &opts,
std::move(set_cb)
}
{
if(size(name) > NAME_MAX_LEN)
throw error
{
"Conf item '%s' name length:%zu exceeds max:%zu",
name,
size(name),
NAME_MAX_LEN
};
if(!items.emplace(name, this).second)
throw error
{