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| author | Kim Alvefur <zash@zash.se> | 2019-10-30 16:22:44 +0100 |
|---|---|---|
| committer | Kim Alvefur <zash@zash.se> | 2019-10-30 16:22:44 +0100 |
| commit | 988243a601855d2f91ea6f9d1057b25a14c62275 (patch) | |
| tree | 24a23ae603971c7c225e308f11e8704d457fbc44 /util-src/encodings.c | |
| parent | 571afbf292e67ca92636a6b491ea88fdc1be653d (diff) | |
| download | prosody-988243a601855d2f91ea6f9d1057b25a14c62275.tar.gz prosody-988243a601855d2f91ea6f9d1057b25a14c62275.zip | |
util.encodings: Strictly verify that the 'strict' *prep argument is a boolean
This is to prevent mistakes like nodeprep(username:gsub("a","b")) from
unintentionally invoking strict mode.
Diffstat (limited to 'util-src/encodings.c')
| -rw-r--r-- | util-src/encodings.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/util-src/encodings.c b/util-src/encodings.c index be34032e..4fe83c64 100644 --- a/util-src/encodings.c +++ b/util-src/encodings.c @@ -296,8 +296,11 @@ static int icu_stringprep_prep(lua_State *L, const UStringPrepProfile *profile) } /* strict */ - if(lua_toboolean(L, 2)) { - flags = 0; + if(!lua_isnoneornil(L, 2)) { + luaL_checktype(L, 2, LUA_TBOOLEAN); + if(lua_toboolean(L, 2)) { + flags = 0; + } } u_strFromUTF8(unprepped, 1024, &unprepped_len, input, input_len, &err); @@ -413,8 +416,11 @@ static int stringprep_prep(lua_State *L, const Stringprep_profile *profile) { s = check_utf8(L, 1, &len); /* strict */ - if(lua_toboolean(L, 2)) { - flags = STRINGPREP_NO_UNASSIGNED; + if(!lua_isnoneornil(L, 2)) { + luaL_checktype(L, 2, LUA_TBOOLEAN); + if(lua_toboolean(L, 2)) { + flags = STRINGPREP_NO_UNASSIGNED; + } } if(s == NULL || len >= 1024 || len != strlen(s)) { |