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[mod_extforward] simplify header search

personal/stbuehler/mod-csrf
Glenn Strauss 5 years ago
parent
commit
c3c78599dd
  1. 25
      src/mod_extforward.c

25
src/mod_extforward.c

@ -193,6 +193,17 @@ SETDEFAULTS_FUNC(mod_extforward_set_defaults) {
"unexpected value for extforward.headers; expected list of \"headername\"");
return HANDLER_ERROR;
}
/* default to "X-Forwarded-For" or "Forwarded-For" if extforward.headers not specified or empty */
if (0 == s->headers->used && (0 == i || NULL != array_get_element(config->value, "extforward.headers"))) {
data_string *ds;
ds = data_string_init();
buffer_copy_string_len(ds->value, CONST_STR_LEN("X-Forwarded-For"));
array_insert_unique(s->headers, (data_unset *)ds);
ds = data_string_init();
buffer_copy_string_len(ds->value, CONST_STR_LEN("Forwarded-For"));
array_insert_unique(s->headers, (data_unset *)ds);
}
}
return HANDLER_GO_ON;
@ -380,19 +391,9 @@ URIHANDLER_FUNC(mod_extforward_uri_handler) {
"-- mod_extforward_uri_handler called");
}
if (p->conf.headers->used) {
data_string *ds;
size_t k;
for(k = 0; k < p->conf.headers->used; k++) {
ds = (data_string *) p->conf.headers->data[k];
if (NULL != (forwarded = (data_string*) array_get_element(con->request.headers, ds->value->ptr))) break;
}
} else {
forwarded = (data_string *) array_get_element(con->request.headers,"X-Forwarded-For");
if (NULL == forwarded) forwarded = (data_string *) array_get_element(con->request.headers, "Forwarded-For");
for (size_t k = 0; k < p->conf.headers->used && NULL == forwarded; ++k) {
forwarded = (data_string *) array_get_element(con->request.headers, ((data_string *)p->conf.headers->data[k])->value->ptr);
}
if (NULL == forwarded) {
if (con->conf.log_request_handling) {
log_error_write(srv, __FILE__, __LINE__, "s", "no forward header found, skipping");

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