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ngx_http_ajp_module.c
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ngx_http_ajp_module.c
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#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_http.h>
#include <ngx_http_ajp.h>
#include <ngx_http_ajp_module.h>
#include <ngx_http_ajp_handler.h>
static char *ngx_http_ajp_pass(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_http_ajp_store(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
#if (NGX_HTTP_CACHE)
static char *ngx_http_ajp_cache(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_http_ajp_cache_key(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
#endif
static char *ngx_http_ajp_lowat_check(ngx_conf_t *cf, void *post,
void *data);
static char *ngx_http_ajp_upstream_max_fails_unsupported(ngx_conf_t *cf,
ngx_command_t *cmd, void *conf);
static char *ngx_http_ajp_upstream_fail_timeout_unsupported(ngx_conf_t *cf,
ngx_command_t *cmd, void *conf);
static void *ngx_http_ajp_create_loc_conf(ngx_conf_t *cf);
static char *ngx_http_ajp_merge_loc_conf(ngx_conf_t *cf,
void *parent, void *child);
static ngx_int_t ngx_http_ajp_module_init_process(ngx_cycle_t *cycle);
static ngx_conf_post_t ngx_http_ajp_lowat_post = { ngx_http_ajp_lowat_check };
static ngx_conf_bitmask_t ngx_http_ajp_next_upstream_masks[] = {
{ ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
{ ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
{ ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
{ ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
{ ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 },
{ ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
{ ngx_string("updating"), NGX_HTTP_UPSTREAM_FT_UPDATING },
{ ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF },
{ ngx_null_string, 0 }
};
static ngx_path_init_t ngx_http_ajp_temp_path = {
ngx_string(NGX_HTTP_AJP_TEMP_PATH), { 1, 2, 0 }
};
static ngx_str_t ngx_http_ajp_hide_headers[] = {
ngx_string("Status"),
ngx_string("X-Accel-Expires"),
ngx_string("X-Accel-Redirect"),
ngx_string("X-Accel-Limit-Rate"),
ngx_string("X-Accel-Buffering"),
ngx_string("X-Accel-Charset"),
ngx_null_string
};
#if (NGX_HTTP_CACHE)
static ngx_str_t ngx_http_ajp_hide_cache_headers[] = {
ngx_string("Status"),
ngx_string("X-Accel-Expires"),
ngx_string("X-Accel-Redirect"),
ngx_string("X-Accel-Limit-Rate"),
ngx_string("X-Accel-Buffering"),
ngx_string("X-Accel-Charset"),
ngx_string("Set-Cookie"),
ngx_string("P3P"),
ngx_null_string
};
#endif
static ngx_command_t ngx_http_ajp_commands[] = {
{ ngx_string("ajp_pass"),
NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1,
ngx_http_ajp_pass,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL },
{ ngx_string("ajp_header_packet_buffer_size"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, ajp_header_packet_buffer_size_conf),
NULL },
{ ngx_string("ajp_max_data_packet_size"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_str_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, max_ajp_data_packet_size_conf),
NULL },
{ ngx_string("ajp_store"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_http_ajp_store,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL },
{ ngx_string("ajp_store_access"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123,
ngx_conf_set_access_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.store_access),
NULL },
{ ngx_string("ajp_ignore_client_abort"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.ignore_client_abort),
NULL },
{ ngx_string("ajp_connect_timeout"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.connect_timeout),
NULL },
{ ngx_string("ajp_send_timeout"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.send_timeout),
NULL },
{ ngx_string("ajp_send_lowat"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.send_lowat),
&ngx_http_ajp_lowat_post },
{ ngx_string("ajp_buffer_size"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.buffer_size),
NULL },
{ ngx_string("ajp_pass_request_headers"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.pass_request_headers),
NULL },
{ ngx_string("ajp_pass_request_body"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.pass_request_body),
NULL },
{ ngx_string("ajp_intercept_errors"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.intercept_errors),
NULL },
{ ngx_string("ajp_read_timeout"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.read_timeout),
NULL },
{ ngx_string("ajp_buffers"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
ngx_conf_set_bufs_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.bufs),
NULL },
{ ngx_string("ajp_busy_buffers_size"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.busy_buffers_size_conf),
NULL },
#if (NGX_HTTP_CACHE)
{ ngx_string("ajp_cache"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_http_ajp_cache,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL },
{ ngx_string("ajp_cache_key"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_http_ajp_cache_key,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL },
{ ngx_string("ajp_cache_path"),
NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE,
ngx_http_file_cache_set_slot,
0,
0,
&ngx_http_ajp_module },
{ ngx_string("ajp_cache_valid"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
ngx_http_file_cache_valid_set_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.cache_valid),
NULL },
{ ngx_string("ajp_cache_min_uses"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_num_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.cache_min_uses),
NULL },
{ ngx_string("ajp_cache_use_stale"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
ngx_conf_set_bitmask_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.cache_use_stale),
&ngx_http_ajp_next_upstream_masks },
{ ngx_string("ajp_cache_methods"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
ngx_conf_set_bitmask_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.cache_methods),
&ngx_http_upstream_cache_method_mask },
{ ngx_string("ajp_cache_lock"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.cache_lock),
NULL },
{ ngx_string("ajp_cache_lock_timeout"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.cache_lock_timeout),
NULL },
#endif
{ ngx_string("ajp_temp_path"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
ngx_conf_set_path_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.temp_path),
NULL },
{ ngx_string("ajp_max_temp_file_size"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.max_temp_file_size_conf),
NULL },
{ ngx_string("ajp_temp_file_write_size"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.temp_file_write_size_conf),
NULL },
{ ngx_string("ajp_next_upstream"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
ngx_conf_set_bitmask_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.next_upstream),
&ngx_http_ajp_next_upstream_masks },
{ ngx_string("ajp_upstream_max_fails"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_http_ajp_upstream_max_fails_unsupported,
0,
0,
NULL },
{ ngx_string("ajp_upstream_fail_timeout"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_http_ajp_upstream_fail_timeout_unsupported,
0,
0,
NULL },
{ ngx_string("ajp_pass_header"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_conf_set_str_array_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.pass_headers),
NULL },
{ ngx_string("ajp_hide_header"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_conf_set_str_array_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.hide_headers),
NULL },
{ ngx_string("ajp_ignore_headers"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
ngx_conf_set_bitmask_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, upstream.ignore_headers),
&ngx_http_upstream_ignore_headers_masks },
{ ngx_string("ajp_keep_conn"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_ajp_loc_conf_t, keep_conn),
NULL },
ngx_null_command
};
static ngx_http_module_t ngx_http_ajp_module_ctx = {
NULL, /* preconfiguration */
NULL, /* postconfiguration */
NULL, /* create main configuration */
NULL, /* init main configuration */
NULL, /* create server configuration */
NULL, /* merge server configuration */
ngx_http_ajp_create_loc_conf, /* create location configuration */
ngx_http_ajp_merge_loc_conf /* merge location configuration */
};
ngx_module_t ngx_http_ajp_module = {
NGX_MODULE_V1,
&ngx_http_ajp_module_ctx, /* module context */
ngx_http_ajp_commands, /* module directives */
NGX_HTTP_MODULE, /* module type */
NULL, /* init master */
NULL, /* init module */
ngx_http_ajp_module_init_process, /* init process */
NULL, /* init thread */
NULL, /* exit thread */
NULL, /* exit process */
NULL, /* exit master */
NGX_MODULE_V1_PADDING
};
static char *
ngx_http_ajp_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_ajp_loc_conf_t *alcf = conf;
size_t add;
u_short port;
ngx_url_t u;
ngx_str_t *value, *url;
ngx_uint_t n;
ngx_http_core_loc_conf_t *clcf;
ngx_http_script_compile_t sc;
if (alcf->upstream.upstream || alcf->ajp_lengths) {
return "is duplicate";
}
clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
clcf->handler = ngx_http_ajp_handler;
if (clcf->name.data[clcf->name.len - 1] == '/') {
clcf->auto_redirect = 1;
}
value = cf->args->elts;
url = &value[1];
n = ngx_http_script_variables_count(url);
if (n) {
ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
sc.cf = cf;
sc.source = url;
sc.lengths = &alcf->ajp_lengths;
sc.values = &alcf->ajp_values;
sc.variables = n;
sc.complete_lengths = 1;
sc.complete_values = 1;
if (ngx_http_script_compile(&sc) != NGX_OK) {
return NGX_CONF_ERROR;
}
return NGX_CONF_OK;
}
add = port = 0;
if (ngx_strncasecmp(url->data, (u_char *) "ajp://", 6) == 0) {
add = 6;
port = 8009;
}
ngx_memzero(&u, sizeof(ngx_url_t));
u.url.len = url->len - add;
u.url.data = url->data + add;
u.default_port = port;
u.uri_part = 1;
u.no_resolve = 1;
alcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
if (alcf->upstream.upstream == NULL) {
return NGX_CONF_ERROR;
}
return NGX_CONF_OK;
}
static char *
ngx_http_ajp_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_str_t *value;
ngx_http_ajp_loc_conf_t *alcf = conf;
ngx_http_script_compile_t sc;
if ((alcf->upstream.store != NGX_CONF_UNSET) ||
alcf->upstream.store_lengths)
{
return "is duplicate";
}
value = cf->args->elts;
if (ngx_strcmp(value[1].data, "off") == 0) {
alcf->upstream.store = 0;
return NGX_CONF_OK;
}
#if (NGX_HTTP_CACHE)
if (alcf->upstream.cache != NGX_CONF_UNSET_PTR
&& alcf->upstream.cache != NULL)
{
return "is incompatible with \"ajp_cache\"";
}
#endif
if (ngx_strcmp(value[1].data, "on") == 0) {
alcf->upstream.store = 1;
return NGX_CONF_OK;
}
/* include the terminating '\0' into script */
value[1].len++;
ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
sc.cf = cf;
sc.source = &value[1];
sc.lengths = &alcf->upstream.store_lengths;
sc.values = &alcf->upstream.store_values;
sc.variables = ngx_http_script_variables_count(&value[1]);
sc.complete_lengths = 1;
sc.complete_values = 1;
if (ngx_http_script_compile(&sc) != NGX_OK) {
return NGX_CONF_ERROR;
}
return NGX_CONF_OK;
}
static char *
ngx_http_ajp_lowat_check(ngx_conf_t *cf, void *post, void *data)
{
#if (NGX_FREEBSD)
ssize_t *np = data;
if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"\"ajp_send_lowat\" must be less than %d "
"(sysctl net.inet.tcp.sendspace)",
ngx_freebsd_net_inet_tcp_sendspace);
return NGX_CONF_ERROR;
}
#elif !(NGX_HAVE_SO_SNDLOWAT)
ssize_t *np = data;
ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
"\"ajp_send_lowat\" is not supported, ignored");
*np = 0;
#endif
return NGX_CONF_OK;
}
#if (NGX_HTTP_CACHE)
static char *
ngx_http_ajp_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_ajp_loc_conf_t *alcf = conf;
ngx_str_t *value;
value = cf->args->elts;
if (alcf->upstream.cache != NGX_CONF_UNSET_PTR) {
return "is duplicate";
}
if (ngx_strcmp(value[1].data, "off") == 0) {
alcf->upstream.cache = NULL;
return NGX_CONF_OK;
}
if (alcf->upstream.store > 0 || alcf->upstream.store_lengths) {
return "is incompatible with \"ajp_store\"";
}
alcf->upstream.cache = ngx_shared_memory_add(cf, &value[1], 0,
&ngx_http_ajp_module);
if (alcf->upstream.cache == NULL) {
return NGX_CONF_ERROR;
}
return NGX_CONF_OK;
}
static char *
ngx_http_ajp_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_ajp_loc_conf_t *alcf = conf;
ngx_str_t *value;
ngx_http_compile_complex_value_t ccv;
value = cf->args->elts;
if (alcf->cache_key.value.len) {
return "is duplicate";
}
ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
ccv.cf = cf;
ccv.value = &value[1];
ccv.complex_value = &alcf->cache_key;
if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
return NGX_CONF_ERROR;
}
return NGX_CONF_OK;
}
#endif
static char *
ngx_http_ajp_upstream_max_fails_unsupported(ngx_conf_t *cf,
ngx_command_t *cmd, void *conf)
{
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"\"ajp_upstream_max_fails\" is not supported, "
"use the \"max_fails\" parameter of the \"server\" directive ",
"inside the \"upstream\" block");
return NGX_CONF_ERROR;
}
static char *
ngx_http_ajp_upstream_fail_timeout_unsupported(ngx_conf_t *cf,
ngx_command_t *cmd, void *conf)
{
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"\"ajp_upstream_fail_timeout\" is not supported, "
"use the \"fail_timeout\" parameter of the \"server\" directive ",
"inside the \"upstream\" block");
return NGX_CONF_ERROR;
}
static void *
ngx_http_ajp_create_loc_conf(ngx_conf_t *cf)
{
ngx_http_ajp_loc_conf_t *conf;
conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ajp_loc_conf_t));
if (conf == NULL) {
return NULL;
}
/*
* set by ngx_pcalloc():
*
* conf->upstream.bufs.num = 0;
* conf->upstream.ignore_headers = 0;
* conf->upstream.next_upstream = 0;
* conf->upstream.cache_use_stale = 0;
* conf->upstream.cache_methods = 0;
* conf->upstream.temp_path = NULL;
* conf->upstream.hide_headers_hash = { NULL, 0 };
* conf->upstream.uri = { 0, NULL };
* conf->upstream.location = NULL;
* conf->upstream.store_lengths = NULL;
* conf->upstream.store_values = NULL;
*
*/
conf->ajp_header_packet_buffer_size_conf = NGX_CONF_UNSET_SIZE;
conf->max_ajp_data_packet_size_conf = NGX_CONF_UNSET_SIZE;
conf->upstream.store = NGX_CONF_UNSET;
conf->upstream.store_access = NGX_CONF_UNSET_UINT;
conf->upstream.buffering = NGX_CONF_UNSET;
conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
conf->upstream.pass_request_headers = NGX_CONF_UNSET;
conf->upstream.pass_request_body = NGX_CONF_UNSET;
#if (NGX_HTTP_CACHE)
conf->upstream.cache = NGX_CONF_UNSET_PTR;
conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT;
conf->upstream.cache_valid = NGX_CONF_UNSET_PTR;
conf->upstream.cache_lock = NGX_CONF_UNSET;
conf->upstream.cache_lock_timeout = NGX_CONF_UNSET_MSEC;
#endif
conf->upstream.hide_headers = NGX_CONF_UNSET_PTR;
conf->upstream.pass_headers = NGX_CONF_UNSET_PTR;
conf->upstream.intercept_errors = NGX_CONF_UNSET;
/* "ajp_cyclic_temp_file" is disabled */
conf->upstream.cyclic_temp_file = 0;
conf->keep_conn = NGX_CONF_UNSET;
ngx_str_set(&conf->upstream.module, "ajp");
return conf;
}
static char *
ngx_http_ajp_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
{
ngx_http_ajp_loc_conf_t *prev = parent;
ngx_http_ajp_loc_conf_t *conf = child;
size_t size;
ngx_str_t *h;
ngx_hash_init_t hash;
if (conf->upstream.store != 0) {
ngx_conf_merge_value(conf->upstream.store,
prev->upstream.store, 0);
if (conf->upstream.store_lengths == NULL) {
conf->upstream.store_lengths = prev->upstream.store_lengths;
conf->upstream.store_values = prev->upstream.store_values;
}
}
ngx_conf_merge_size_value(conf->ajp_header_packet_buffer_size_conf,
prev->ajp_header_packet_buffer_size_conf,
(size_t) AJP_MSG_BUFFER_SZ);
ngx_conf_merge_size_value(conf->max_ajp_data_packet_size_conf,
prev->max_ajp_data_packet_size_conf,
(size_t) AJP_MSG_BUFFER_SZ);
ngx_conf_merge_uint_value(conf->upstream.store_access,
prev->upstream.store_access, 0600);
ngx_conf_merge_value(conf->upstream.buffering,
prev->upstream.buffering, 1);
ngx_conf_merge_value(conf->upstream.ignore_client_abort,
prev->upstream.ignore_client_abort, 0);
ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
prev->upstream.connect_timeout, 60000);
ngx_conf_merge_msec_value(conf->upstream.send_timeout,
prev->upstream.send_timeout, 60000);
ngx_conf_merge_msec_value(conf->upstream.read_timeout,
prev->upstream.read_timeout, 60000);
ngx_conf_merge_size_value(conf->upstream.send_lowat,
prev->upstream.send_lowat, 0);
ngx_conf_merge_size_value(conf->upstream.buffer_size,
prev->upstream.buffer_size,
(size_t) ngx_pagesize);
ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
8, ngx_pagesize);
if (conf->upstream.bufs.num < 2) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"there must be at least 2 \"ajp_buffers\"");
return NGX_CONF_ERROR;
}
if (conf->ajp_header_packet_buffer_size_conf > AJP_MAX_BUFFER_SZ) {
conf->ajp_header_packet_buffer_size_conf = AJP_MAX_BUFFER_SZ;
}
if(conf->max_ajp_data_packet_size_conf < AJP_MSG_BUFFER_SZ) {
conf->max_ajp_data_packet_size_conf = AJP_MSG_BUFFER_SZ;
} else if(conf->max_ajp_data_packet_size_conf > AJP_MAX_BUFFER_SZ ) {
conf->max_ajp_data_packet_size_conf = AJP_MAX_BUFFER_SZ;
}
size = conf->upstream.buffer_size;
if (size < conf->upstream.bufs.size) {
size = conf->upstream.bufs.size;
}
ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
prev->upstream.busy_buffers_size_conf,
NGX_CONF_UNSET_SIZE);
if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
conf->upstream.busy_buffers_size = 2 * size;
} else {
conf->upstream.busy_buffers_size =
conf->upstream.busy_buffers_size_conf;
}
if (conf->upstream.busy_buffers_size < size) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"\"ajp_busy_buffers_size\" must be equal or bigger than "
"maximum of the value of \"ajp_buffer_size\" and "
"one of the \"ajp_buffers\"");
return NGX_CONF_ERROR;
}
if (conf->upstream.busy_buffers_size
> (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
{
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"\"ajp_busy_buffers_size\" must be less than "
"the size of all \"ajp_buffers\" minus one buffer");
return NGX_CONF_ERROR;
}
ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
prev->upstream.temp_file_write_size_conf,
NGX_CONF_UNSET_SIZE);
if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
conf->upstream.temp_file_write_size = 2 * size;
} else {
conf->upstream.temp_file_write_size =
conf->upstream.temp_file_write_size_conf;
}
if (conf->upstream.temp_file_write_size < size) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"\"ajp_temp_file_write_size\" must be equal or bigger than "
"maximum of the value of \"ajp_buffer_size\" and "
"one of the \"ajp_buffers\"");
return NGX_CONF_ERROR;
}
ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
prev->upstream.max_temp_file_size_conf,
NGX_CONF_UNSET_SIZE);
if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
} else {
conf->upstream.max_temp_file_size =
conf->upstream.max_temp_file_size_conf;
}
if (conf->upstream.max_temp_file_size != 0
&& conf->upstream.max_temp_file_size < size)
{
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"\"ajp_max_temp_file_size\" must be equal to zero to disable "
"the temporary files usage or must be equal or bigger than "
"maximum of the value of \"ajp_buffer_size\" and "
"one of the \"ajp_buffers\"");
return NGX_CONF_ERROR;
}
ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers,
prev->upstream.ignore_headers,
NGX_CONF_BITMASK_SET);
ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
prev->upstream.next_upstream,
(NGX_CONF_BITMASK_SET
|NGX_HTTP_UPSTREAM_FT_ERROR
|NGX_HTTP_UPSTREAM_FT_TIMEOUT));
if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) {
conf->upstream.next_upstream = NGX_CONF_BITMASK_SET
|NGX_HTTP_UPSTREAM_FT_OFF;
}
if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path,
prev->upstream.temp_path,
&ngx_http_ajp_temp_path)
!= NGX_OK)
{
return NGX_CONF_ERROR;
}
#if (NGX_HTTP_CACHE)
ngx_conf_merge_ptr_value(conf->upstream.cache,
prev->upstream.cache, NULL);
if (conf->upstream.cache && conf->upstream.cache->data == NULL) {
ngx_shm_zone_t *shm_zone;
shm_zone = conf->upstream.cache;
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"\"ajp_cache\" zone \"%V\" is unknown, "
"Maybe you haven't set the ajp_cache_path",
&shm_zone->shm.name);
return NGX_CONF_ERROR;
}
ngx_conf_merge_uint_value(conf->upstream.cache_min_uses,
prev->upstream.cache_min_uses, 1);
ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale,
prev->upstream.cache_use_stale,
(NGX_CONF_BITMASK_SET
|NGX_HTTP_UPSTREAM_FT_OFF));
if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) {
conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET
|NGX_HTTP_UPSTREAM_FT_OFF;
}
if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_ERROR) {
conf->upstream.cache_use_stale |= NGX_HTTP_UPSTREAM_FT_NOLIVE;
}
if (conf->upstream.cache_methods == 0) {
conf->upstream.cache_methods = prev->upstream.cache_methods;
}
conf->upstream.cache_methods |= NGX_HTTP_GET|NGX_HTTP_HEAD;
ngx_conf_merge_ptr_value(conf->upstream.cache_valid,
prev->upstream.cache_valid, NULL);
if (conf->cache_key.value.data == NULL) {
conf->cache_key = prev->cache_key;
}
ngx_conf_merge_value(conf->upstream.cache_lock,
prev->upstream.cache_lock, 0);
ngx_conf_merge_msec_value(conf->upstream.cache_lock_timeout,
prev->upstream.cache_lock_timeout, 5000);
#endif
ngx_conf_merge_value(conf->upstream.pass_request_headers,
prev->upstream.pass_request_headers, 1);
ngx_conf_merge_value(conf->upstream.pass_request_body,
prev->upstream.pass_request_body, 1);
ngx_conf_merge_value(conf->upstream.intercept_errors,
prev->upstream.intercept_errors, 0);
ngx_conf_merge_value(conf->keep_conn, prev->keep_conn, 0);
hash.max_size = 512;
hash.bucket_size = ngx_align(64, ngx_cacheline_size);
hash.name = "ajp_hide_headers_hash";
#if (NGX_HTTP_CACHE)
h = conf->upstream.cache ? ngx_http_ajp_hide_cache_headers:
ngx_http_ajp_hide_headers;
#else
h = ngx_http_ajp_hide_headers;
#endif
if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream,
&prev->upstream, h, &hash)
!= NGX_OK)
{
return NGX_CONF_ERROR;
}
if (conf->upstream.upstream == NULL) {
conf->upstream.upstream = prev->upstream.upstream;
}
if (conf->ajp_lengths == NULL) {
conf->ajp_lengths = prev->ajp_lengths;
conf->ajp_values = prev->ajp_values;
}
return NGX_CONF_OK;
}
static ngx_int_t ngx_http_ajp_module_init_process(ngx_cycle_t *cycle)
{
ajp_header_init();
return NGX_OK;
}