*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR

this fixes fastcgi_catch_stderr segfault introduced in r1453
*) ngx_http_upstream_hide_headers_hash()
*) proxy/fastcgi pass_header/hide_header use
   ngx_http_upstream_hide_headers_hash()
This commit is contained in:
Igor Sysoev 2007-12-09 18:03:20 +00:00
parent d8c43746a5
commit cb54061885
5 changed files with 132 additions and 203 deletions

View File

@ -934,7 +934,7 @@ ngx_conf_set_str_array_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
a = (ngx_array_t **) (p + cmd->offset);
if (*a == NULL) {
if (*a == NGX_CONF_UNSET_PTR) {
*a = ngx_array_create(cf->pool, 4, sizeof(ngx_str_t));
if (*a == NULL) {
return NGX_CONF_ERROR;

View File

@ -1643,8 +1643,6 @@ ngx_http_fastcgi_create_loc_conf(ngx_conf_t *cf)
* conf->upstream.next_upstream = 0;
* conf->upstream.temp_path = NULL;
* conf->upstream.hide_headers_hash = { NULL, 0 };
* conf->upstream.hide_headers = NULL;
* conf->upstream.pass_headers = NULL;
* conf->upstream.schema = { 0, NULL };
* conf->upstream.uri = { 0, NULL };
* conf->upstream.location = NULL;
@ -1674,6 +1672,9 @@ ngx_http_fastcgi_create_loc_conf(ngx_conf_t *cf)
conf->upstream.pass_request_headers = NGX_CONF_UNSET;
conf->upstream.pass_request_body = NGX_CONF_UNSET;
conf->upstream.hide_headers = NGX_CONF_UNSET_PTR;
conf->upstream.pass_headers = NGX_CONF_UNSET_PTR;
conf->upstream.intercept_errors = NGX_CONF_UNSET;
/* "fastcgi_cyclic_temp_file" is disabled */
@ -1694,11 +1695,8 @@ ngx_http_fastcgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
u_char *p;
size_t size;
uintptr_t *code;
ngx_str_t *header;
ngx_uint_t i, j;
ngx_array_t hide_headers;
ngx_uint_t i;
ngx_keyval_t *src;
ngx_hash_key_t *hk;
ngx_hash_init_t hash;
ngx_http_script_compile_t sc;
ngx_http_script_copy_code_t *copy;
@ -1860,108 +1858,19 @@ ngx_http_fastcgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
ngx_conf_merge_str_value(conf->index, prev->index, "");
if (conf->upstream.hide_headers == NULL
&& conf->upstream.pass_headers == NULL)
{
conf->upstream.hide_headers = prev->upstream.hide_headers;
conf->upstream.pass_headers = prev->upstream.pass_headers;
conf->upstream.hide_headers_hash = prev->upstream.hide_headers_hash;
hash.max_size = 512;
hash.bucket_size = ngx_align(64, ngx_cacheline_size);
hash.name = "fastcgi_hide_headers_hash";
if (conf->upstream.hide_headers_hash.buckets) {
goto peers;
}
} else {
if (conf->upstream.hide_headers == NULL) {
conf->upstream.hide_headers = prev->upstream.hide_headers;
}
if (conf->upstream.pass_headers == NULL) {
conf->upstream.pass_headers = prev->upstream.pass_headers;
}
}
if (ngx_array_init(&hide_headers, cf->temp_pool, 4, sizeof(ngx_hash_key_t))
if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream,
&prev->upstream,
ngx_http_fastcgi_hide_headers,
&hash)
!= NGX_OK)
{
return NGX_CONF_ERROR;
}
for (header = ngx_http_fastcgi_hide_headers; header->len; header++) {
hk = ngx_array_push(&hide_headers);
if (hk == NULL) {
return NGX_CONF_ERROR;
}
hk->key = *header;
hk->key_hash = ngx_hash_key_lc(header->data, header->len);
hk->value = (void *) 1;
}
if (conf->upstream.hide_headers) {
header = conf->upstream.hide_headers->elts;
for (i = 0; i < conf->upstream.hide_headers->nelts; i++) {
hk = hide_headers.elts;
for (j = 0; j < hide_headers.nelts; j++) {
if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) {
goto exist;
}
}
hk = ngx_array_push(&hide_headers);
if (hk == NULL) {
return NGX_CONF_ERROR;
}
hk->key = header[i];
hk->key_hash = ngx_hash_key_lc(header[i].data, header[i].len);
hk->value = (void *) 1;
exist:
continue;
}
}
if (conf->upstream.pass_headers) {
hk = hide_headers.elts;
header = conf->upstream.pass_headers->elts;
for (i = 0; i < conf->upstream.pass_headers->nelts; i++) {
for (j = 0; j < hide_headers.nelts; j++) {
if (hk[j].key.data == NULL) {
continue;
}
if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) {
hk[j].key.data = NULL;
break;
}
}
}
}
hash.hash = &conf->upstream.hide_headers_hash;
hash.key = ngx_hash_key_lc;
hash.max_size = 512;
hash.bucket_size = ngx_align(64, ngx_cacheline_size);
hash.name = "fastcgi_hide_headers_hash";
hash.pool = cf->pool;
hash.temp_pool = NULL;
if (ngx_hash_init(&hash, hide_headers.elts, hide_headers.nelts) != NGX_OK) {
return NGX_CONF_ERROR;
}
peers:
if (conf->upstream.upstream == NULL) {
conf->upstream.upstream = prev->upstream.upstream;
conf->upstream.schema = prev->upstream.schema;

View File

@ -1634,8 +1634,6 @@ ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
* conf->upstream.next_upstream = 0;
* conf->upstream.temp_path = NULL;
* conf->upstream.hide_headers_hash = { NULL, 0 };
* conf->upstream.hide_headers = NULL;
* conf->upstream.pass_headers = NULL;
* conf->upstream.schema = { 0, NULL };
* conf->upstream.uri = { 0, NULL };
* conf->upstream.location = NULL;
@ -1672,6 +1670,9 @@ ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
conf->upstream.pass_request_headers = NGX_CONF_UNSET;
conf->upstream.pass_request_body = NGX_CONF_UNSET;
conf->upstream.hide_headers = NGX_CONF_UNSET_PTR;
conf->upstream.pass_headers = NGX_CONF_UNSET_PTR;
conf->upstream.intercept_errors = NGX_CONF_UNSET;
/* "proxy_cyclic_temp_file" is disabled */
@ -1696,9 +1697,7 @@ ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
u_char *p;
size_t size;
uintptr_t *code;
ngx_str_t *header;
ngx_uint_t i, j;
ngx_array_t hide_headers;
ngx_uint_t i;
ngx_keyval_t *src, *s, *h;
ngx_hash_key_t *hk;
ngx_hash_init_t hash;
@ -1913,107 +1912,18 @@ ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
conf->headers_hash_bucket_size = ngx_align(conf->headers_hash_bucket_size,
ngx_cacheline_size);
if (conf->upstream.hide_headers == NULL
&& conf->upstream.pass_headers == NULL)
{
conf->upstream.hide_headers = prev->upstream.hide_headers;
conf->upstream.pass_headers = prev->upstream.pass_headers;
conf->upstream.hide_headers_hash = prev->upstream.hide_headers_hash;
hash.max_size = conf->headers_hash_max_size;
hash.bucket_size = conf->headers_hash_bucket_size;
hash.name = "proxy_headers_hash";
if (conf->upstream.hide_headers_hash.buckets) {
goto peers;
}
} else {
if (conf->upstream.hide_headers == NULL) {
conf->upstream.hide_headers = prev->upstream.hide_headers;
}
if (conf->upstream.pass_headers == NULL) {
conf->upstream.pass_headers = prev->upstream.pass_headers;
}
}
if (ngx_array_init(&hide_headers, cf->temp_pool, 4, sizeof(ngx_hash_key_t))
if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream,
&prev->upstream,
ngx_http_proxy_hide_headers, &hash)
!= NGX_OK)
{
return NGX_CONF_ERROR;
}
for (header = ngx_http_proxy_hide_headers; header->len; header++) {
hk = ngx_array_push(&hide_headers);
if (hk == NULL) {
return NGX_CONF_ERROR;
}
hk->key = *header;
hk->key_hash = ngx_hash_key_lc(header->data, header->len);
hk->value = (void *) 1;
}
if (conf->upstream.hide_headers) {
header = conf->upstream.hide_headers->elts;
for (i = 0; i < conf->upstream.hide_headers->nelts; i++) {
hk = hide_headers.elts;
for (j = 0; j < hide_headers.nelts; j++) {
if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) {
goto exist;
}
}
hk = ngx_array_push(&hide_headers);
if (hk == NULL) {
return NGX_CONF_ERROR;
}
hk->key = header[i];
hk->key_hash = ngx_hash_key_lc(header[i].data, header[i].len);
hk->value = (void *) 1;
exist:
continue;
}
}
if (conf->upstream.pass_headers) {
hk = hide_headers.elts;
header = conf->upstream.pass_headers->elts;
for (i = 0; i < conf->upstream.pass_headers->nelts; i++) {
for (j = 0; j < hide_headers.nelts; j++) {
if (hk[j].key.data == NULL) {
continue;
}
if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) {
hk[j].key.data = NULL;
break;
}
}
}
}
hash.hash = &conf->upstream.hide_headers_hash;
hash.key = ngx_hash_key_lc;
hash.max_size = conf->headers_hash_max_size;
hash.bucket_size = conf->headers_hash_bucket_size;
hash.name = "proxy_headers_hash";
hash.pool = cf->pool;
hash.temp_pool = NULL;
if (ngx_hash_init(&hash, hide_headers.elts, hide_headers.nelts) != NGX_OK) {
return NGX_CONF_ERROR;
}
peers:
if (conf->upstream.upstream == NULL) {
conf->upstream.upstream = prev->upstream.upstream;

View File

@ -3408,6 +3408,113 @@ ngx_http_upstream_add(ngx_conf_t *cf, ngx_url_t *u, ngx_uint_t flags)
}
ngx_int_t
ngx_http_upstream_hide_headers_hash(ngx_conf_t *cf,
ngx_http_upstream_conf_t *conf, ngx_http_upstream_conf_t *prev,
ngx_str_t *default_hide_headers, ngx_hash_init_t *hash)
{
ngx_str_t *h;
ngx_uint_t i, j;
ngx_array_t hide_headers;
ngx_hash_key_t *hk;
if (conf->hide_headers == NGX_CONF_UNSET_PTR
&& conf->pass_headers == NGX_CONF_UNSET_PTR)
{
conf->hide_headers_hash = prev->hide_headers_hash;
if (conf->hide_headers_hash.buckets) {
return NGX_OK;
}
conf->hide_headers = prev->hide_headers;
conf->pass_headers = prev->pass_headers;
} else {
if (conf->hide_headers == NGX_CONF_UNSET_PTR) {
conf->hide_headers = prev->hide_headers;
}
if (conf->pass_headers == NGX_CONF_UNSET_PTR) {
conf->pass_headers = prev->pass_headers;
}
}
if (ngx_array_init(&hide_headers, cf->temp_pool, 4, sizeof(ngx_hash_key_t))
!= NGX_OK)
{
return NGX_ERROR;
}
for (h = default_hide_headers; h->len; h++) {
hk = ngx_array_push(&hide_headers);
if (hk == NULL) {
return NGX_ERROR;
}
hk->key = *h;
hk->key_hash = ngx_hash_key_lc(h->data, h->len);
hk->value = (void *) 1;
}
if (conf->hide_headers != NGX_CONF_UNSET_PTR) {
h = conf->hide_headers->elts;
for (i = 0; i < conf->hide_headers->nelts; i++) {
hk = hide_headers.elts;
for (j = 0; j < hide_headers.nelts; j++) {
if (ngx_strcasecmp(h[i].data, hk[j].key.data) == 0) {
goto exist;
}
}
hk = ngx_array_push(&hide_headers);
if (hk == NULL) {
return NGX_ERROR;
}
hk->key = h[i];
hk->key_hash = ngx_hash_key_lc(h[i].data, h[i].len);
hk->value = (void *) 1;
exist:
continue;
}
}
if (conf->pass_headers != NGX_CONF_UNSET_PTR) {
h = conf->pass_headers->elts;
hk = hide_headers.elts;
for (i = 0; i < conf->pass_headers->nelts; i++) {
for (j = 0; j < hide_headers.nelts; j++) {
if (hk[j].key.data == NULL) {
continue;
}
if (ngx_strcasecmp(h[i].data, hk[j].key.data) == 0) {
hk[j].key.data = NULL;
break;
}
}
}
}
hash->hash = &conf->hide_headers_hash;
hash->key = ngx_hash_key_lc;
hash->pool = cf->pool;
hash->temp_pool = NULL;
return ngx_hash_init(hash, hide_headers.elts, hide_headers.nelts);
}
static void *
ngx_http_upstream_create_main_conf(ngx_conf_t *cf)
{

View File

@ -269,6 +269,9 @@ ngx_int_t ngx_http_upstream_header_variable(ngx_http_request_t *r,
void ngx_http_upstream_init(ngx_http_request_t *r);
ngx_http_upstream_srv_conf_t *ngx_http_upstream_add(ngx_conf_t *cf,
ngx_url_t *u, ngx_uint_t flags);
ngx_int_t ngx_http_upstream_hide_headers_hash(ngx_conf_t *cf,
ngx_http_upstream_conf_t *conf, ngx_http_upstream_conf_t *prev,
ngx_str_t *default_hide_headers, ngx_hash_init_t *hash);
#define ngx_http_conf_upstream_srv_conf(uscf, module) \