diff options
| author | Mark Johnston <markj@FreeBSD.org> | 2025-07-04 19:06:10 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2025-07-04 20:11:12 +0000 |
| commit | 88d94ead7f7cfb7ea7c4134b4cd2f89da670a8e1 (patch) | |
| tree | 4cf3df1656973c986a5d433f8d5fa37f4ca2beb3 /libexec/flua | |
| parent | 3b1c4cb1bfff6efa363919de6c05765c24607b83 (diff) | |
Diffstat (limited to 'libexec/flua')
| -rw-r--r-- | libexec/flua/modules/lposix.c | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/libexec/flua/modules/lposix.c b/libexec/flua/modules/lposix.c index 816d4bc688d2..9edc7e687786 100644 --- a/libexec/flua/modules/lposix.c +++ b/libexec/flua/modules/lposix.c @@ -88,18 +88,23 @@ static int lua_chown(lua_State *L) { const char *path; - uid_t owner = (uid_t) -1; - gid_t group = (gid_t) -1; + uid_t owner = (uid_t)-1; + gid_t group = (gid_t)-1; + int error; enforce_max_args(L, 3); path = luaL_checkstring(L, 1); if (lua_isinteger(L, 2)) - owner = (uid_t) lua_tointeger(L, 2); + owner = (uid_t)lua_tointeger(L, 2); else if (lua_isstring(L, 2)) { - struct passwd *p = getpwnam(lua_tostring(L, 2)); - if (p != NULL) - owner = p->pw_uid; + char buf[4096]; + struct passwd passwd, *pwd; + + error = getpwnam_r(lua_tostring(L, 2), &passwd, + buf, sizeof(buf), &pwd); + if (error == 0) + owner = pwd->pw_uid; else return (luaL_argerror(L, 2, lua_pushfstring(L, "unknown user %s", @@ -112,11 +117,15 @@ lua_chown(lua_State *L) } if (lua_isinteger(L, 3)) - group = (gid_t) lua_tointeger(L, 3); + group = (gid_t)lua_tointeger(L, 3); else if (lua_isstring(L, 3)) { - struct group *g = getgrnam(lua_tostring(L, 3)); - if (g != NULL) - group = g->gr_gid; + char buf[4096]; + struct group gr, *grp; + + error = getgrnam_r(lua_tostring(L, 3), &gr, buf, sizeof(buf), + &grp); + if (error == 0) + group = grp->gr_gid; else return (luaL_argerror(L, 3, lua_pushfstring(L, "unknown group %s", |