static ngx_int_t
ngx_http_clear_builtin_header(ngx_http_request_t *r,
ngx_http_headers_more_header_val_t *hv, ngx_str_t *value)
{
value->len = 0;
return ngx_http_set_builtin_header(r, hv, value);
}
static ngx_int_t
ngx_http_set_host_header(ngx_http_request_t *r,
ngx_http_headers_more_header_val_t *hv, ngx_str_t *value)
{
dd("server new value len: %d", (int) value->len);
r->headers_in.server = *value;
return ngx_http_set_builtin_header(r, hv, value);
}
static ngx_int_t
ngx_http_set_accept_ranges_header(ngx_http_request_t *r,
ngx_http_headers_more_header_val_t *hv, ngx_str_t *value)
{
if (value->len == 0) {
r->allow_ranges = 0;
}
return ngx_http_set_builtin_header(r, hv, value);
}
static ngx_int_t
ngx_http_set_connection_header(ngx_http_request_t *r,
ngx_http_headers_more_header_val_t *hv, ngx_str_t *value)
{
r->headers_in.connection_type = 0;
if (value->len == 0) {
return ngx_http_set_builtin_header(r, hv, value);
}
if (ngx_strcasestrn(value->data, "close", 5 - 1)) {
r->headers_in.connection_type = NGX_HTTP_CONNECTION_CLOSE;
r->headers_in.keep_alive_n = -1;
} else if (ngx_strcasestrn(value->data, "keep-alive", 10 - 1)) {
r->headers_in.connection_type = NGX_HTTP_CONNECTION_KEEP_ALIVE;
}
return ngx_http_set_builtin_header(r, hv, value);
}
static ngx_int_t ngx_http_set_last_modified_header(ngx_http_request_t *r,
ngx_http_shib_request_header_val_t *hv, ngx_str_t *value)
{
if (value->len == 0) {
return ngx_http_clear_last_modified_header(r, hv, value);
}
r->headers_out.last_modified_time = ngx_http_parse_time(value->data,
value->len);
return ngx_http_set_builtin_header(r, hv, value);
}
static ngx_int_t
ngx_http_set_content_length_header(ngx_http_request_t *r,
ngx_http_headers_more_header_val_t *hv, ngx_str_t *value)
{
off_t len;
if (value->len == 0) {
return ngx_http_clear_content_length_header(r, hv, value);
}
len = ngx_atosz(value->data, value->len);
if (len == NGX_ERROR) {
return NGX_ERROR;
}
r->headers_out.content_length_n = len;
return ngx_http_set_builtin_header(r, hv, value);
}
static ngx_int_t
ngx_http_set_host_header(ngx_http_request_t *r,
ngx_http_headers_more_header_val_t *hv, ngx_str_t *value)
{
ngx_str_t host;
if (value->len) {
host= *value;
if (ngx_http_headers_more_validate_host(&host, r->pool, 0) != NGX_OK) {
return NGX_ERROR;
}
r->headers_in.server = host;
} else {
r->headers_in.server = *value;
}
return ngx_http_set_builtin_header(r, hv, value);
}
static ngx_int_t
ngx_http_set_location_header(ngx_http_request_t *r,
ngx_http_lua_header_val_t *hv, ngx_str_t *value)
{
ngx_int_t rc;
ngx_table_elt_t *h;
rc = ngx_http_set_builtin_header(r, hv, value);
if (rc != NGX_OK) {
return rc;
}
/*
* we do not set r->headers_out.location here to avoid the handling
* the local redirects without a host name by ngx_http_header_filter()
*/
h = r->headers_out.location;
if (h && h->value.len && h->value.data[0] == '/') {
r->headers_out.location = NULL;
}
return NGX_OK;
}
/* borrowed the code from ngx_http_request.c:ngx_http_process_user_agent */
static ngx_int_t
ngx_http_set_user_agent_header(ngx_http_request_t *r,
ngx_http_headers_more_header_val_t *hv, ngx_str_t *value)
{
u_char *user_agent, *msie;
/* clear existing settings */
r->headers_in.msie = 0;
r->headers_in.msie6 = 0;
r->headers_in.opera = 0;
r->headers_in.gecko = 0;
r->headers_in.chrome = 0;
r->headers_in.safari = 0;
r->headers_in.konqueror = 0;
if (value->len == 0) {
return ngx_http_set_builtin_header(r, hv, value);
}
/* check some widespread browsers */
user_agent = value->data;
msie = ngx_strstrn(user_agent, "MSIE ", 5 - 1);
if (msie && msie + 7 < user_agent + value->len) {
r->headers_in.msie = 1;
if (msie[6] == '.') {
switch (msie[5]) {
case '4':
case '5':
r->headers_in.msie6 = 1;
break;
case '6':
if (ngx_strstrn(msie + 8, "SV1", 3 - 1) == NULL) {
r->headers_in.msie6 = 1;
}
break;
}
}
}
if (ngx_strstrn(user_agent, "Opera", 5 - 1)) {
r->headers_in.opera = 1;
r->headers_in.msie = 0;
r->headers_in.msie6 = 0;
}
if (!r->headers_in.msie && !r->headers_in.opera) {
if (ngx_strstrn(user_agent, "Gecko/", 6 - 1)) {
r->headers_in.gecko = 1;
} else if (ngx_strstrn(user_agent, "Chrome/", 7 - 1)) {
r->headers_in.chrome = 1;
} else if (ngx_strstrn(user_agent, "Safari/", 7 - 1)
&& ngx_strstrn(user_agent, "Mac OS X", 8 - 1))
{
r->headers_in.safari = 1;
} else if (ngx_strstrn(user_agent, "Konqueror", 9 - 1)) {
r->headers_in.konqueror = 1;
}
}
return ngx_http_set_builtin_header(r, hv, value);
}