blob: 8f101bad82d1ebcfbc99bc3e0b1934e98b01c684 [file] [log] [blame]
/*
* Copyright (C) Igor Sysoev
*/
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_event.h>
#include <ngx_http.h>
#include <nginx.h>
/* STUB */
#define NGX_HTTP_LOCATION_EXACT 1
#define NGX_HTTP_LOCATION_AUTO_REDIRECT 2
#define NGX_HTTP_LOCATION_REGEX 3
static void ngx_http_phase_event_handler(ngx_event_t *rev);
static void ngx_http_run_phases(ngx_http_request_t *r);
static ngx_int_t ngx_http_find_location(ngx_http_request_t *r,
ngx_array_t *locations, size_t len);
static void *ngx_http_core_create_main_conf(ngx_conf_t *cf);
static char *ngx_http_core_init_main_conf(ngx_conf_t *cf, void *conf);
static void *ngx_http_core_create_srv_conf(ngx_conf_t *cf);
static char *ngx_http_core_merge_srv_conf(ngx_conf_t *cf,
void *parent, void *child);
static void *ngx_http_core_create_loc_conf(ngx_conf_t *cf);
static char *ngx_http_core_merge_loc_conf(ngx_conf_t *cf,
void *parent, void *child);
static char *ngx_server_block(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy);
static int ngx_cmp_locations(const void *first, const void *second);
static char *ngx_location_block(ngx_conf_t *cf, ngx_command_t *cmd,
void *dummy);
static char *ngx_types_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
static char *ngx_set_type(ngx_conf_t *cf, ngx_command_t *dummy, void *conf);
static char *ngx_http_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
static char *ngx_set_server_name(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_set_root(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
static char *ngx_set_error_page(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
static char *ngx_set_error_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
static char *ngx_set_keepalive(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
static char *ngx_http_lowat_check(ngx_conf_t *cf, void *post, void *data);
static ngx_conf_post_t ngx_http_lowat_post = { ngx_http_lowat_check } ;
static ngx_conf_enum_t ngx_http_restrict_host_names[] = {
{ ngx_string("off"), NGX_HTTP_RESTRICT_HOST_OFF },
{ ngx_string("on"), NGX_HTTP_RESTRICT_HOST_ON },
{ ngx_string("close"), NGX_HTTP_RESTRICT_HOST_CLOSE },
{ ngx_null_string, 0 }
};
static ngx_command_t ngx_http_core_commands[] = {
{ ngx_string("server"),
NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
ngx_server_block,
0,
0,
NULL },
{ ngx_string("connection_pool_size"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
NGX_HTTP_SRV_CONF_OFFSET,
offsetof(ngx_http_core_srv_conf_t, connection_pool_size),
NULL },
{ ngx_string("post_accept_timeout"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
NGX_HTTP_SRV_CONF_OFFSET,
offsetof(ngx_http_core_srv_conf_t, post_accept_timeout),
NULL },
{ ngx_string("request_pool_size"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
NGX_HTTP_SRV_CONF_OFFSET,
offsetof(ngx_http_core_srv_conf_t, request_pool_size),
NULL },
{ ngx_string("client_header_timeout"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
NGX_HTTP_SRV_CONF_OFFSET,
offsetof(ngx_http_core_srv_conf_t, client_header_timeout),
NULL },
{ ngx_string("client_header_buffer_size"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
NGX_HTTP_SRV_CONF_OFFSET,
offsetof(ngx_http_core_srv_conf_t, client_header_buffer_size),
NULL },
{ ngx_string("large_client_header_buffers"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE2,
ngx_conf_set_bufs_slot,
NGX_HTTP_SRV_CONF_OFFSET,
offsetof(ngx_http_core_srv_conf_t, large_client_header_buffers),
NULL },
{ ngx_string("restrict_host_names"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_enum_slot,
NGX_HTTP_SRV_CONF_OFFSET,
offsetof(ngx_http_core_srv_conf_t, restrict_host_names),
&ngx_http_restrict_host_names },
{ ngx_string("location"),
NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE12,
ngx_location_block,
NGX_HTTP_SRV_CONF_OFFSET,
0,
NULL },
{ ngx_string("listen"),
#if 0
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
#else
NGX_HTTP_SRV_CONF|NGX_CONF_TAKE12,
#endif
ngx_http_listen,
NGX_HTTP_SRV_CONF_OFFSET,
0,
NULL },
{ ngx_string("server_name"),
NGX_HTTP_SRV_CONF|NGX_CONF_1MORE,
ngx_set_server_name,
NGX_HTTP_SRV_CONF_OFFSET,
0,
NULL },
{ ngx_string("types"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF
|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
ngx_types_block,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL },
{ ngx_string("default_type"),
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_core_loc_conf_t, default_type),
NULL },
{ ngx_string("root"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_set_root,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL },
{ ngx_string("alias"),
NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_set_root,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL },
{ ngx_string("client_max_body_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_core_loc_conf_t, client_max_body_size),
NULL },
{ ngx_string("client_body_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_core_loc_conf_t, client_body_buffer_size),
NULL },
{ ngx_string("client_body_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_core_loc_conf_t, client_body_timeout),
NULL },
{ ngx_string("sendfile"),
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_core_loc_conf_t, sendfile),
NULL },
{ ngx_string("tcp_nopush"),
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_core_loc_conf_t, tcp_nopush),
NULL },
{ ngx_string("tcp_nodelay"),
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_core_loc_conf_t, tcp_nodelay),
NULL },
{ ngx_string("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_core_loc_conf_t, send_timeout),
NULL },
{ ngx_string("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_core_loc_conf_t, send_lowat),
&ngx_http_lowat_post },
{ ngx_string("postpone_output"),
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_core_loc_conf_t, postpone_output),
NULL },
{ ngx_string("limit_rate"),
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_core_loc_conf_t, limit_rate),
NULL },
{ ngx_string("keepalive_timeout"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
ngx_set_keepalive,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL },
{ ngx_string("lingering_time"),
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_core_loc_conf_t, lingering_time),
NULL },
{ ngx_string("lingering_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_core_loc_conf_t, lingering_timeout),
NULL },
{ ngx_string("reset_timedout_connection"),
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_core_loc_conf_t, reset_timedout_connection),
NULL },
{ ngx_string("msie_padding"),
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_core_loc_conf_t, msie_padding),
NULL },
{ ngx_string("error_page"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE,
ngx_set_error_page,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL },
{ ngx_string("error_log"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
ngx_set_error_log,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL },
#if (NGX_HTTP_CACHE)
{ ngx_string("open_file_cache"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE4,
ngx_http_set_cache_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, open_files),
NULL },
#endif
ngx_null_command
};
ngx_http_module_t ngx_http_core_module_ctx = {
NULL, /* pre conf */
ngx_http_core_create_main_conf, /* create main configuration */
ngx_http_core_init_main_conf, /* init main configuration */
ngx_http_core_create_srv_conf, /* create server configuration */
ngx_http_core_merge_srv_conf, /* merge server configuration */
ngx_http_core_create_loc_conf, /* create location configuration */
ngx_http_core_merge_loc_conf /* merge location configuration */
};
ngx_module_t ngx_http_core_module = {
NGX_MODULE,
&ngx_http_core_module_ctx, /* module context */
ngx_http_core_commands, /* module directives */
NGX_HTTP_MODULE, /* module type */
NULL, /* init module */
NULL /* init process */
};
void ngx_http_handler(ngx_http_request_t *r)
{
ngx_http_log_ctx_t *lcx;
r->connection->unexpected_eof = 0;
lcx = r->connection->log->data;
lcx->action = NULL;
switch (r->headers_in.connection_type) {
case 0:
if (r->http_version > NGX_HTTP_VERSION_10) {
r->keepalive = 1;
} else {
r->keepalive = 0;
}
break;
case NGX_HTTP_CONNECTION_CLOSE:
r->keepalive = 0;
break;
case NGX_HTTP_CONNECTION_KEEP_ALIVE:
r->keepalive = 1;
break;
}
if (r->keepalive && r->headers_in.msie && r->method == NGX_HTTP_POST) {
/*
* MSIE may wait for some time if the response for the POST request
* is sent over the keepalive connection
*/
r->keepalive = 0;
}
#if 0
/* TEST STUB */ r->http_version = NGX_HTTP_VERSION_10;
/* TEST STUB */ r->keepalive = 0;
#endif
if (r->headers_in.content_length_n > 0) {
r->lingering_close = 1;
} else {
r->lingering_close = 0;
}
#if 0
/* TEST STUB */ r->lingering_close = 1;
#endif
r->connection->write->event_handler = ngx_http_phase_event_handler;
ngx_http_run_phases(r);
return;
}
static void ngx_http_phase_event_handler(ngx_event_t *ev)
{
ngx_connection_t *c;
ngx_http_request_t *r;
c = ev->data;
r = c->data;
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ev->log, 0, "phase event handler");
ngx_http_run_phases(r);
return;
}
static void ngx_http_run_phases(ngx_http_request_t *r)
{
char *path;
ngx_int_t rc;
ngx_http_handler_pt *h;
ngx_http_core_loc_conf_t *clcf;
ngx_http_core_main_conf_t *cmcf;
cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
for (/* void */; r->phase < NGX_HTTP_LAST_PHASE; r->phase++) {
if (r->phase == NGX_HTTP_CONTENT_PHASE && r->content_handler) {
r->connection->write->event_handler = ngx_http_empty_handler;
rc = r->content_handler(r);
ngx_http_finalize_request(r, rc);
return;
}
h = cmcf->phases[r->phase].handlers.elts;
for (r->phase_handler = cmcf->phases[r->phase].handlers.nelts - 1;
r->phase_handler >= 0;
r->phase_handler--)
{
rc = h[r->phase_handler](r);
if (rc == NGX_DONE) {
/*
* we should never use r here because
* it could point to already freed data
*/
return;
}
if (rc == NGX_DECLINED) {
continue;
}
if (rc >= NGX_HTTP_SPECIAL_RESPONSE || rc == NGX_ERROR) {
ngx_http_finalize_request(r, rc);
return;
}
if (r->phase == NGX_HTTP_CONTENT_PHASE) {
ngx_http_finalize_request(r, rc);
return;
}
if (rc == NGX_AGAIN) {
return;
}
if (rc == NGX_OK && cmcf->phases[r->phase].type == NGX_OK) {
break;
}
}
}
if (r->uri.data[r->uri.len - 1] == '/') {
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
if (!(path = ngx_palloc(r->pool, clcf->root.len + r->uri.len))) {
ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
return;
}
ngx_cpystrn(ngx_cpymem(path, clcf->root.data, clcf->root.len),
r->uri.data, r->uri.len + 1);
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"directory index of \"%s\" is forbidden", path);
ngx_http_finalize_request(r, NGX_HTTP_FORBIDDEN);
return;
}
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "no handler found");
ngx_http_finalize_request(r, NGX_HTTP_NOT_FOUND);
return;
}
ngx_int_t ngx_http_find_location_config(ngx_http_request_t *r)
{
ngx_int_t rc;
ngx_http_core_loc_conf_t *clcf;
ngx_http_core_srv_conf_t *cscf;
cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
rc = ngx_http_find_location(r, &cscf->locations, 0);
if (rc == NGX_HTTP_INTERNAL_SERVER_ERROR) {
return rc;
}
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
r->connection->log->file = clcf->err_log->file;
if (!(r->connection->log->log_level & NGX_LOG_DEBUG_CONNECTION)) {
r->connection->log->log_level = clcf->err_log->log_level;
}
if ((ngx_io.flags & NGX_IO_SENDFILE) && clcf->sendfile) {
r->connection->sendfile = 1;
} else {
r->connection->sendfile = 0;
}
if (!clcf->tcp_nopush) {
/* disable TCP_NOPUSH/TCP_CORK use */
r->connection->tcp_nopush = NGX_TCP_NOPUSH_DISABLED;
}
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"http cl: " SIZE_T_FMT " max: " SIZE_T_FMT,
r->headers_in.content_length_n,
clcf->client_max_body_size);
if (r->headers_in.content_length_n != -1
&& clcf->client_max_body_size
&& clcf->client_max_body_size < (size_t) r->headers_in.content_length_n)
{
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"client intented to send too large body: "
SIZE_T_FMT " bytes",
r->headers_in.content_length_n);
return NGX_HTTP_REQUEST_ENTITY_TOO_LARGE;
}
if (rc == NGX_HTTP_LOCATION_AUTO_REDIRECT) {
r->headers_out.location = ngx_list_push(&r->headers_out.headers);
if (r->headers_out.location == NULL) {
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
r->headers_out.location->value = clcf->name;
return NGX_HTTP_MOVED_PERMANENTLY;
}
if (clcf->handler) {
r->content_handler = clcf->handler;
}
return NGX_OK;
}
static ngx_int_t ngx_http_find_location(ngx_http_request_t *r,
ngx_array_t *locations, size_t len)
{
ngx_int_t n, rc;
ngx_uint_t i, found;
ngx_http_core_loc_conf_t *clcf, **clcfp;
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "find location");
found = 0;
clcfp = locations->elts;
for (i = 0; i < locations->nelts; i++) {
#if (NGX_PCRE)
if (clcfp[i]->regex) {
break;
}
#endif
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"find location: %s\"%s\"",
clcfp[i]->exact_match ? "= " : "",
clcfp[i]->name.data);
if (clcfp[i]->auto_redirect
&& r->uri.len == clcfp[i]->name.len - 1
&& ngx_strncmp(r->uri.data, clcfp[i]->name.data,
clcfp[i]->name.len - 1) == 0)
{
/* the locations are lexicographically sorted */
r->loc_conf = clcfp[i]->loc_conf;
return NGX_HTTP_LOCATION_AUTO_REDIRECT;
}
if (r->uri.len < clcfp[i]->name.len) {
continue;
}
n = ngx_strncmp(r->uri.data, clcfp[i]->name.data, clcfp[i]->name.len);
if (n < 0) {
/* the locations are lexicographically sorted */
break;
}
if (n == 0) {
if (clcfp[i]->exact_match && r->uri.len == clcfp[i]->name.len) {
r->loc_conf = clcfp[i]->loc_conf;
return NGX_HTTP_LOCATION_EXACT;
}
if (len > clcfp[i]->name.len) {
/* the previous match is longer */
break;
}
r->loc_conf = clcfp[i]->loc_conf;
found = 1;
}
}
if (found) {
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
if (clcf->locations.nelts) {
rc = ngx_http_find_location(r, &clcf->locations, len);
if (rc != NGX_OK) {
return rc;
}
}
}
#if (NGX_PCRE)
/* regex matches */
for (/* void */; i < locations->nelts; i++) {
if (!clcfp[i]->regex) {
continue;
}
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"find location: ~ \"%s\"",
clcfp[i]->name.data);
n = ngx_regex_exec(clcfp[i]->regex, &r->uri, NULL, 0);
if (n == NGX_DECLINED) {
continue;
}
if (n < 0) {
ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
ngx_regex_exec_n
" failed: %d on \"%s\" using \"%s\"",
n, r->uri.data, clcfp[i]->name.data);
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
/* match */
r->loc_conf = clcfp[i]->loc_conf;
return NGX_HTTP_LOCATION_REGEX;
}
#endif /* NGX_PCRE */
return NGX_OK;
}
ngx_int_t ngx_http_set_content_type(ngx_http_request_t *r)
{
uint32_t key;
ngx_uint_t i;
ngx_http_type_t *type;
ngx_http_core_loc_conf_t *clcf;
r->headers_out.content_type = ngx_list_push(&r->headers_out.headers);
if (r->headers_out.content_type == NULL) {
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
r->headers_out.content_type->key.len = 0;
r->headers_out.content_type->key.data = NULL;
r->headers_out.content_type->value.len = 0;
r->headers_out.content_type->value.data = NULL;
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
if (r->exten.len) {
#if 0
key = ngx_crc(r->exten.data, r->exten.key);
#endif
ngx_http_types_hash_key(key, r->exten);
type = clcf->types[key].elts;
for (i = 0; i < clcf->types[key].nelts; i++) {
if (r->exten.len != type[i].exten.len) {
continue;
}
if (ngx_memcmp(r->exten.data, type[i].exten.data, r->exten.len)
== 0)
{
r->headers_out.content_type->value = type[i].type;
break;
}
}
}
if (r->headers_out.content_type->value.len == 0) {
r->headers_out.content_type->value = clcf->default_type;
}
return NGX_OK;
}
ngx_int_t ngx_http_send_header(ngx_http_request_t *r)
{
if (r->main) {
return NGX_OK;
}
if (r->err_ctx) {
r->headers_out.status = r->err_status;
r->headers_out.status_line.len = 0;
}
return (*ngx_http_top_header_filter)(r);
}
ngx_int_t ngx_http_output_filter(ngx_http_request_t *r, ngx_chain_t *in)
{
ngx_int_t rc;
if (r->connection->write->error) {
return NGX_ERROR;
}
rc = ngx_http_top_body_filter(r, in);
if (rc == NGX_ERROR) {
/* NGX_ERROR could be returned by any filter */
r->connection->write->error = 1;
}
return rc;
}
int ngx_http_redirect(ngx_http_request_t *r, int redirect)
{
/* STUB */
/* log request */
ngx_http_close_request(r, 0);
return NGX_OK;
}
ngx_int_t ngx_http_set_exten(ngx_http_request_t *r)
{
ngx_int_t i;
r->exten.len = 0;
r->exten.data = NULL;
for (i = r->uri.len - 1; i > 1; i--) {
if (r->uri.data[i] == '.' && r->uri.data[i - 1] != '/') {
r->exten.len = r->uri.len - i - 1;
if (r->exten.len > 0) {
if (!(r->exten.data = ngx_palloc(r->pool, r->exten.len + 1))) {
return NGX_ERROR;
}
ngx_cpystrn(r->exten.data, &r->uri.data[i + 1],
r->exten.len + 1);
}
break;
} else if (r->uri.data[i] == '/') {
break;
}
}
return NGX_OK;
}
ngx_int_t ngx_http_internal_redirect(ngx_http_request_t *r,
ngx_str_t *uri, ngx_str_t *args)
{
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"internal redirect: \"%s\"", uri->data);
r->uri.len = uri->len;
r->uri.data = uri->data;
if (args) {
r->args.len = args->len;
r->args.data = args->data;
}
if (ngx_http_set_exten(r) != NGX_OK) {
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
if (r->err_ctx) {
/* allocate the new modules contexts */
r->ctx = ngx_pcalloc(r->pool, sizeof(void *) * ngx_http_max_module);
if (r->ctx == NULL) {
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
} else {
/* clear the modules contexts */
ngx_memzero(r->ctx, sizeof(void *) * ngx_http_max_module);
}
r->phase = 0;
r->phase_handler = 0;
ngx_http_handler(r);
return NGX_DONE;
}
#if 0 /* STUB: test the delay http handler */
int ngx_http_delay_handler(ngx_http_request_t *r)
{
static int on;
if (on++ == 0) {
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"http set delay");
ngx_add_timer(r->connection->write, 10000);
return NGX_AGAIN;
}
r->connection->write->timedout = 0;
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"http reset delay");
return NGX_DECLINED;
}
#endif
#if 0
static ngx_int_t ngx_http_core_init_process(ngx_cycle_t *cycle)
{
ngx_uint_t i;
ngx_http_core_srv_conf_t **cscfp;
ngx_http_core_main_conf_t *cmcf;
cmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_core_module);
#if 0
ngx_http_core_init_module:
ngx_http_handler_pt *h;
ngx_test_null(h, ngx_push_array(
&cmcf->phases[NGX_HTTP_TRANSLATE_PHASE].handlers),
NGX_ERROR);
*h = ngx_http_delay_handler;
#endif
cscfp = cmcf->servers.elts;
for (i = 0; i < cmcf->servers.nelts; i++) {
if (cscfp[i]->recv == NULL) {
cscfp[i]->recv = ngx_io.recv;
cscfp[i]->send_chain = ngx_io.send_chain;
}
}
return NGX_OK;
}
#endif
static char *ngx_server_block(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy)
{
int m;
char *rv;
ngx_http_module_t *module;
ngx_conf_t pvcf;
ngx_http_conf_ctx_t *ctx, *http_ctx;
ngx_http_core_main_conf_t *cmcf;
ngx_http_core_srv_conf_t *cscf, **cscfp;
ngx_test_null(ctx,
ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)),
NGX_CONF_ERROR);
http_ctx = cf->ctx;
ctx->main_conf = http_ctx->main_conf;
/* the server{}'s srv_conf */
ngx_test_null(ctx->srv_conf,
ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module),
NGX_CONF_ERROR);
/* the server{}'s loc_conf */
ngx_test_null(ctx->loc_conf,
ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module),
NGX_CONF_ERROR);
for (m = 0; ngx_modules[m]; m++) {
if (ngx_modules[m]->type != NGX_HTTP_MODULE) {
continue;
}
module = ngx_modules[m]->ctx;
if (module->create_srv_conf) {
ngx_test_null(ctx->srv_conf[ngx_modules[m]->ctx_index],
module->create_srv_conf(cf),
NGX_CONF_ERROR);
}
if (module->create_loc_conf) {
ngx_test_null(ctx->loc_conf[ngx_modules[m]->ctx_index],
module->create_loc_conf(cf),
NGX_CONF_ERROR);
}
}
/* create links of the srv_conf's */
cscf = ctx->srv_conf[ngx_http_core_module.ctx_index];
cscf->ctx = ctx;
cmcf = ctx->main_conf[ngx_http_core_module.ctx_index];
ngx_test_null(cscfp, ngx_push_array(&cmcf->servers), NGX_CONF_ERROR);
*cscfp = cscf;
/* parse inside server{} */
pvcf = *cf;
cf->ctx = ctx;
cf->cmd_type = NGX_HTTP_SRV_CONF;
rv = ngx_conf_parse(cf, NULL);
*cf = pvcf;
if (rv != NGX_CONF_OK) {
return rv;
}
ngx_qsort(cscf->locations.elts, (size_t) cscf->locations.nelts,
sizeof(ngx_http_core_loc_conf_t *), ngx_cmp_locations);
return rv;
}
static int ngx_cmp_locations(const void *one, const void *two)
{
ngx_int_t rc;
ngx_http_core_loc_conf_t *first, *second;
first = *(ngx_http_core_loc_conf_t **) one;
second = *(ngx_http_core_loc_conf_t **) two;
#if (NGX_PCRE)
if (first->regex && !second->regex) {
/* shift the regex matches to the end */
return 1;
}
if (first->regex || second->regex) {
/* do not sort the regex matches */
return 0;
}
#endif
rc = ngx_strcmp(first->name.data, second->name.data);
if (rc == 0 && second->exact_match) {
/* an exact match must be before the same inclusive one */
return 1;
}
return (int) rc;
}
static char *ngx_location_block(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy)
{
char *rv;
ngx_int_t m;
ngx_str_t *value;
ngx_conf_t pcf;
ngx_http_module_t *module;
ngx_http_conf_ctx_t *ctx, *pctx;
ngx_http_core_srv_conf_t *cscf;
ngx_http_core_loc_conf_t *clcf, *pclcf, **clcfp;
#if (NGX_PCRE)
ngx_str_t err;
u_char errstr[NGX_MAX_CONF_ERRSTR];
#endif
if (!(ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)))) {
return NGX_CONF_ERROR;
}
pctx = cf->ctx;
ctx->main_conf = pctx->main_conf;
ctx->srv_conf = pctx->srv_conf;
ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module);
if (ctx->loc_conf == NULL) {
return NGX_CONF_ERROR;
}
for (m = 0; ngx_modules[m]; m++) {
if (ngx_modules[m]->type != NGX_HTTP_MODULE) {
continue;
}
module = ngx_modules[m]->ctx;
if (module->create_loc_conf) {
ctx->loc_conf[ngx_modules[m]->ctx_index] =
module->create_loc_conf(cf);
if (ctx->loc_conf[ngx_modules[m]->ctx_index] == NULL) {
return NGX_CONF_ERROR;
}
}
}
clcf = ctx->loc_conf[ngx_http_core_module.ctx_index];
clcf->loc_conf = ctx->loc_conf;
value = cf->args->elts;
if (cf->args->nelts == 3) {
if (value[1].len == 1 && value[1].data[0] == '=') {
clcf->name.len = value[2].len;
clcf->name.data = value[2].data;
clcf->exact_match = 1;
} else if ((value[1].len == 1 && value[1].data[0] == '~')
|| (value[1].len == 2
&& value[1].data[0] == '~'
&& value[1].data[1] == '*'))
{
#if (NGX_PCRE)
err.len = NGX_MAX_CONF_ERRSTR;
err.data = errstr;
clcf->regex = ngx_regex_compile(&value[2],
value[1].len == 2 ? NGX_REGEX_CASELESS: 0,
cf->pool, &err);
if (clcf->regex == NULL) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%s", err.data);
return NGX_CONF_ERROR;
}
clcf->name = value[2];
#else
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"the using of the regex \"%s\" "
"requires PCRE library",
value[2].data);
return NGX_CONF_ERROR;
#endif
} else {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid location modifier \"%s\"",
value[1].data);
return NGX_CONF_ERROR;
}
} else {
clcf->name.len = value[1].len;
clcf->name.data = value[1].data;
}
pclcf = pctx->loc_conf[ngx_http_core_module.ctx_index];
if (pclcf->name.len == 0) {
cscf = ctx->srv_conf[ngx_http_core_module.ctx_index];
if (!(clcfp = ngx_push_array(&cscf->locations))) {
return NGX_CONF_ERROR;
}
} else {
clcf->prev_location = pclcf;
if (pclcf->exact_match) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"location \"%s\" could not be inside "
"the exact location \"%s\"",
clcf->name.data, pclcf->name.data);
return NGX_CONF_ERROR;
}
#if (NGX_PCRE)
if (clcf->regex == NULL
&& ngx_strncmp(clcf->name.data, pclcf->name.data, pclcf->name.len)
!= 0)
#else
if (ngx_strncmp(clcf->name.data, pclcf->name.data, pclcf->name.len)
!= 0)
#endif
{
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"location \"%s\" is outside location \"%s\"",
clcf->name.data, pclcf->name.data);
return NGX_CONF_ERROR;
}
if (pclcf->locations.elts == NULL) {
ngx_init_array(pclcf->locations, cf->pool, 5, sizeof(void *),
NGX_CONF_ERROR);
}
if (!(clcfp = ngx_push_array(&pclcf->locations))) {
return NGX_CONF_ERROR;
}
}
*clcfp = clcf;
pcf = *cf;
cf->ctx = ctx;
cf->cmd_type = NGX_HTTP_LOC_CONF;
rv = ngx_conf_parse(cf, NULL);
*cf = pcf;
return rv;
}
static char *ngx_types_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
char *rv;
ngx_conf_t pcf;
pcf = *cf;
cf->handler = ngx_set_type;
cf->handler_conf = conf;
rv = ngx_conf_parse(cf, NULL);
*cf = pcf;
return rv;
}
static char *ngx_set_type(ngx_conf_t *cf, ngx_command_t *dummy, void *conf)
{
ngx_http_core_loc_conf_t *lcf = conf;
uint32_t key;
ngx_uint_t i;
ngx_str_t *args;
ngx_http_type_t *type;
if (lcf->types == NULL) {
lcf->types = ngx_palloc(cf->pool, NGX_HTTP_TYPES_HASH_PRIME
* sizeof(ngx_array_t));
if (lcf->types == NULL) {
return NGX_CONF_ERROR;
}
for (i = 0; i < NGX_HTTP_TYPES_HASH_PRIME; i++) {
if (ngx_array_init(&lcf->types[i], cf->pool, 5,
sizeof(ngx_http_type_t)) == NGX_ERROR)
{
return NGX_CONF_ERROR;
}
}
}
args = (ngx_str_t *) cf->args->elts;
for (i = 1; i < cf->args->nelts; i++) {
ngx_http_types_hash_key(key, args[i]);
if (!(type = ngx_array_push(&lcf->types[key]))) {
return NGX_CONF_ERROR;
}
type->exten = args[i];
type->type = args[0];
}
return NGX_CONF_OK;
}
static void *ngx_http_core_create_main_conf(ngx_conf_t *cf)
{
ngx_http_core_main_conf_t *cmcf;
ngx_test_null(cmcf,
ngx_pcalloc(cf->pool, sizeof(ngx_http_core_main_conf_t)),
NGX_CONF_ERROR);
ngx_init_array(cmcf->servers, cf->pool,
5, sizeof(ngx_http_core_srv_conf_t *),
NGX_CONF_ERROR);
return cmcf;
}
static char *ngx_http_core_init_main_conf(ngx_conf_t *cf, void *conf)
{
#if 0
ngx_http_core_main_conf_t *cmcf = conf;
/* TODO: remove it if no directives */
#endif
return NGX_CONF_OK;
}
static void *ngx_http_core_create_srv_conf(ngx_conf_t *cf)
{
ngx_http_core_srv_conf_t *cscf;
ngx_test_null(cscf,
ngx_pcalloc(cf->pool, sizeof(ngx_http_core_srv_conf_t)),
NGX_CONF_ERROR);
/*
set by ngx_pcalloc():
conf->client_large_buffers.num = 0;
*/
ngx_init_array(cscf->locations, cf->pool,
5, sizeof(void *), NGX_CONF_ERROR);
ngx_init_array(cscf->listen, cf->pool, 5, sizeof(ngx_http_listen_t),
NGX_CONF_ERROR);
ngx_init_array(cscf->server_names, cf->pool,
5, sizeof(ngx_http_server_name_t), NGX_CONF_ERROR);
cscf->connection_pool_size = NGX_CONF_UNSET_SIZE;
cscf->post_accept_timeout = NGX_CONF_UNSET_MSEC;
cscf->request_pool_size = NGX_CONF_UNSET_SIZE;
cscf->client_header_timeout = NGX_CONF_UNSET_MSEC;
cscf->client_header_buffer_size = NGX_CONF_UNSET_SIZE;
cscf->restrict_host_names = NGX_CONF_UNSET_UINT;
return cscf;
}
static char *ngx_http_core_merge_srv_conf(ngx_conf_t *cf,
void *parent, void *child)
{
ngx_http_core_srv_conf_t *prev = parent;
ngx_http_core_srv_conf_t *conf = child;
ngx_http_listen_t *l;
ngx_http_server_name_t *n;
ngx_http_core_main_conf_t *cmcf;
/* TODO: it does not merge, it inits only */
if (conf->listen.nelts == 0) {
ngx_test_null(l, ngx_push_array(&conf->listen), NGX_CONF_ERROR);
l->addr = INADDR_ANY;
#if (WIN32)
l->port = 80;
#else
/* STUB: getuid() should be cached */
l->port = (getuid() == 0) ? 80 : 8000;
#endif
l->family = AF_INET;
}
if (conf->server_names.nelts == 0) {
ngx_test_null(n, ngx_push_array(&conf->server_names), NGX_CONF_ERROR);
ngx_test_null(n->name.data, ngx_palloc(cf->pool, NGX_MAXHOSTNAMELEN),
NGX_CONF_ERROR);
if (gethostname((char *) n->name.data, NGX_MAXHOSTNAMELEN) == -1) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
"gethostname() failed");
return NGX_CONF_ERROR;
}
n->name.len = ngx_strlen(n->name.data);
n->core_srv_conf = conf;
n->wildcard = 0;
cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
if (cmcf->max_server_name_len < n->name.len) {
cmcf->max_server_name_len = n->name.len;
}
}
ngx_conf_merge_size_value(conf->connection_pool_size,
prev->connection_pool_size, 256);
ngx_conf_merge_msec_value(conf->post_accept_timeout,
prev->post_accept_timeout, 60000);
ngx_conf_merge_size_value(conf->request_pool_size,
prev->request_pool_size, 4096);
ngx_conf_merge_msec_value(conf->client_header_timeout,
prev->client_header_timeout, 60000);
ngx_conf_merge_size_value(conf->client_header_buffer_size,
prev->client_header_buffer_size, 1024);
ngx_conf_merge_bufs_value(conf->large_client_header_buffers,
prev->large_client_header_buffers,
4, ngx_pagesize);
if (conf->large_client_header_buffers.size < conf->connection_pool_size) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"the \"large_client_header_buffers\" size must be "
"equal to or bigger than \"connection_pool_size\"");
return NGX_CONF_ERROR;
}
ngx_conf_merge_unsigned_value(conf->restrict_host_names,
prev->restrict_host_names, 0);
return NGX_CONF_OK;
}
static void *ngx_http_core_create_loc_conf(ngx_conf_t *cf)
{
ngx_http_core_loc_conf_t *lcf;
ngx_test_null(lcf,
ngx_pcalloc(cf->pool, sizeof(ngx_http_core_loc_conf_t)),
NGX_CONF_ERROR);
/* set by ngx_pcalloc():
lcf->root.len = 0;
lcf->root.data = NULL;
lcf->types = NULL;
lcf->default_type.len = 0;
lcf->default_type.data = NULL;
lcf->err_log = NULL;
lcf->error_pages = NULL;
lcf->regex = NULL;
lcf->exact_match = 0;
lcf->auto_redirect = 0;
lcf->alias = 0;
*/
lcf->client_max_body_size = NGX_CONF_UNSET_SIZE;
lcf->client_body_buffer_size = NGX_CONF_UNSET_SIZE;
lcf->client_body_timeout = NGX_CONF_UNSET_MSEC;
lcf->sendfile = NGX_CONF_UNSET;
lcf->tcp_nopush = NGX_CONF_UNSET;
lcf->tcp_nodelay = NGX_CONF_UNSET;
lcf->send_timeout = NGX_CONF_UNSET_MSEC;
lcf->send_lowat = NGX_CONF_UNSET_SIZE;
lcf->postpone_output = NGX_CONF_UNSET_SIZE;
lcf->limit_rate = NGX_CONF_UNSET_SIZE;
lcf->keepalive_timeout = NGX_CONF_UNSET_MSEC;
lcf->keepalive_header = NGX_CONF_UNSET;
lcf->lingering_time = NGX_CONF_UNSET_MSEC;
lcf->lingering_timeout = NGX_CONF_UNSET_MSEC;
lcf->reset_timedout_connection = NGX_CONF_UNSET;
lcf->msie_padding = NGX_CONF_UNSET;
return lcf;
}
static ngx_http_type_t default_types[] = {
{ ngx_string("html"), ngx_string("text/html") },
{ ngx_string("gif"), ngx_string("image/gif") },
{ ngx_string("jpg"), ngx_string("image/jpeg") },
{ ngx_null_string, ngx_null_string }
};
static char *ngx_http_core_merge_loc_conf(ngx_conf_t *cf,
void *parent, void *child)
{
ngx_http_core_loc_conf_t *prev = parent;
ngx_http_core_loc_conf_t *conf = child;
int i, key;
ngx_http_type_t *t;
ngx_conf_merge_str_value(conf->root, prev->root, "html");
if (ngx_conf_full_name(cf->cycle, &conf->root) == NGX_ERROR) {
return NGX_CONF_ERROR;
}
if (conf->types == NULL) {
if (prev->types) {
conf->types = prev->types;
} else {
ngx_test_null(conf->types,
ngx_palloc(cf->pool, NGX_HTTP_TYPES_HASH_PRIME
* sizeof(ngx_array_t)),
NGX_CONF_ERROR);
for (i = 0; i < NGX_HTTP_TYPES_HASH_PRIME; i++) {
ngx_init_array(conf->types[i], cf->pool,
5, sizeof(ngx_http_type_t), NGX_CONF_ERROR);
}
for (i = 0; default_types[i].exten.len; i++) {
ngx_http_types_hash_key(key, default_types[i].exten);
ngx_test_null(t, ngx_push_array(&conf->types[key]),
NGX_CONF_ERROR);
t->exten.len = default_types[i].exten.len;
t->exten.data = default_types[i].exten.data;
t->type.len = default_types[i].type.len;
t->type.data = default_types[i].type.data;
}
}
}
if (conf->err_log == NULL) {
if (prev->err_log) {
conf->err_log = prev->err_log;
} else {
conf->err_log = cf->cycle->new_log;
}
}
if (conf->error_pages == NULL && prev->error_pages) {
conf->error_pages = prev->error_pages;
}
ngx_conf_merge_str_value(conf->default_type,
prev->default_type, "text/plain");
ngx_conf_merge_size_value(conf->client_max_body_size,
prev->client_max_body_size, 1 * 1024 * 1024);
ngx_conf_merge_size_value(conf->client_body_buffer_size,
prev->client_body_buffer_size,
(size_t) 2 * ngx_pagesize);
ngx_conf_merge_msec_value(conf->client_body_timeout,
prev->client_body_timeout, 60000);
ngx_conf_merge_value(conf->sendfile, prev->sendfile, 0);
ngx_conf_merge_value(conf->tcp_nopush, prev->tcp_nopush, 0);
ngx_conf_merge_value(conf->tcp_nodelay, prev->tcp_nodelay, 0);
ngx_conf_merge_msec_value(conf->send_timeout, prev->send_timeout, 60000);
ngx_conf_merge_size_value(conf->send_lowat, prev->send_lowat, 0);
ngx_conf_merge_size_value(conf->postpone_output, prev->postpone_output,
1460);
ngx_conf_merge_size_value(conf->limit_rate, prev->limit_rate, 0);
ngx_conf_merge_msec_value(conf->keepalive_timeout,
prev->keepalive_timeout, 75000);
ngx_conf_merge_sec_value(conf->keepalive_header,
prev->keepalive_header, 0);
ngx_conf_merge_msec_value(conf->lingering_time,
prev->lingering_time, 30000);
ngx_conf_merge_msec_value(conf->lingering_timeout,
prev->lingering_timeout, 5000);
ngx_conf_merge_value(conf->reset_timedout_connection,
prev->reset_timedout_connection, 0);
ngx_conf_merge_value(conf->msie_padding, prev->msie_padding, 1);
if (conf->open_files == NULL) {
conf->open_files = prev->open_files;
}
return NGX_CONF_OK;
}
static char *ngx_http_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_core_srv_conf_t *scf = conf;
u_char *addr;
ngx_int_t port;
ngx_uint_t p;
struct hostent *h;
ngx_str_t *args;
ngx_http_listen_t *ls;
/*
* TODO: check duplicate 'listen' directives,
* add resolved name to server names ???
*/
if (!(ls = ngx_array_push(&scf->listen))) {
return NGX_CONF_ERROR;
}
/* AF_INET only */
ls->family = AF_INET;
ls->default_server = 0;
ls->file_name = cf->conf_file->file.name;
ls->line = cf->conf_file->line;
args = cf->args->elts;
addr = args[1].data;
for (p = 0; p < args[1].len; p++) {
if (addr[p] == ':') {
addr[p++] = '\0';
break;
}
}
if (p == args[1].len) {
/* no ":" in the "listen" */
p = 0;
}
port = ngx_atoi(&addr[p], args[1].len - p);
if (port == NGX_ERROR && p == 0) {
/* "listen host" */
ls->port = 80;
} else if ((port == NGX_ERROR && p != 0) /* "listen host:NONNUMBER" */
|| (port < 1 || port > 65536)) { /* "listen 99999" */
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid port \"%s\" in \"%s\" directive, "
"it must be a number between 1 and 65535",
&addr[p], cmd->name.data);
return NGX_CONF_ERROR;
} else if (p == 0) {
ls->addr = INADDR_ANY;
ls->port = (in_port_t) port;
return NGX_CONF_OK;
} else {
ls->port = (in_port_t) port;
}
ls->addr = inet_addr((const char *) addr);
if (ls->addr == INADDR_NONE) {
h = gethostbyname((const char *) addr);
if (h == NULL || h->h_addr_list[0] == NULL) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"can not resolve host \"%s\" "
"in \"%s\" directive", addr, cmd->name.data);
return NGX_CONF_ERROR;
}
ls->addr = *(in_addr_t *)(h->h_addr_list[0]);
}
return NGX_CONF_OK;
}
static char *ngx_set_server_name(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_core_srv_conf_t *scf = conf;
ngx_uint_t i;
ngx_str_t *value;
ngx_http_server_name_t *sn;
ngx_http_core_main_conf_t *cmcf;
/* TODO: warn about duplicate 'server_name' directives */
cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
value = cf->args->elts;
for (i = 1; i < cf->args->nelts; i++) {
if (value[i].len == 0) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"server name \"%s\" is invalid "
"in \"%s\" directive",
value[i].data, cmd->name.data);
return NGX_CONF_ERROR;
}
if (!(sn = ngx_array_push(&scf->server_names))) {
return NGX_CONF_ERROR;
}
sn->name.len = value[i].len;
sn->name.data = value[i].data;
sn->core_srv_conf = scf;
if (sn->name.data[0] == '*') {
sn->name.len--;
sn->name.data++;
sn->wildcard = 1;
} else {
sn->wildcard = 0;
}
if (cmcf->max_server_name_len < sn->name.len) {
cmcf->max_server_name_len = sn->name.len;
}
}
return NGX_CONF_OK;
}
static char *ngx_set_root(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_core_loc_conf_t *lcf = conf;
ngx_uint_t alias;
ngx_str_t *value;
alias = (cmd->name.len == sizeof("alias") - 1) ? 1 : 0;
if (lcf->root.data) {
/* the (ngx_uint_t) cast is required by gcc 2.7.2.3 */
if ((ngx_uint_t) lcf->alias == alias) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"\"%s\" directive is duplicate",
cmd->name.data);
} else {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"\"%s\" directive is duplicate, "
"\"%s\" directive is specified before",
cmd->name.data, lcf->alias ? "alias" : "root");
}
return NGX_CONF_ERROR;
}
value = cf->args->elts;
lcf->alias = alias;
lcf->root = value[1];
if (!alias && lcf->root.data[lcf->root.len - 1] == '/') {
lcf->root.len--;
}
return NGX_CONF_OK;
}
static char *ngx_set_error_page(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_core_loc_conf_t *lcf = conf;
int overwrite;
ngx_uint_t i, n;
ngx_str_t *value;
ngx_http_err_page_t *err;
if (lcf->error_pages == NULL) {
lcf->error_pages = ngx_create_array(cf->pool, 5,
sizeof(ngx_http_err_page_t));
if (lcf->error_pages == NULL) {
return NGX_CONF_ERROR;
}
}
value = cf->args->elts;
i = cf->args->nelts - 2;
if (value[i].data[0] == '=') {
if (i == 1) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid value \"%s\"", value[i].data);
return NGX_CONF_ERROR;
}
overwrite = ngx_atoi(&value[i].data[1], value[i].len - 1);
if (overwrite == NGX_ERROR) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid value \"%s\"", value[i].data);
return NGX_CONF_ERROR;
}
n = 2;
} else {
overwrite = 0;
n = 1;
}
for (i = 1; i < cf->args->nelts - n; i++) {
if (!(err = ngx_push_array(lcf->error_pages))) {
return NGX_CONF_ERROR;
}
err->status = ngx_atoi(value[i].data, value[i].len);
if (err->status == NGX_ERROR) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid value \"%s\"", value[i].data);
return NGX_CONF_ERROR;
}
if (err->status < 400 || err->status > 599) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"value \"%s\" must be between 400 and 599",
value[i].data);
return NGX_CONF_ERROR;
}
err->overwrite = overwrite;
err->uri = value[cf->args->nelts - 1];
}
return NGX_CONF_OK;
}
static char *ngx_set_keepalive(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_core_loc_conf_t *lcf = conf;
ngx_str_t *value;
if (lcf->keepalive_timeout != NGX_CONF_UNSET_MSEC) {
return "is duplicate";
}
value = cf->args->elts;
lcf->keepalive_timeout = ngx_parse_time(&value[1], 0);
if (lcf->keepalive_timeout == (ngx_msec_t) NGX_ERROR) {
return "invalid value";
}
if (lcf->keepalive_timeout == (ngx_msec_t) NGX_PARSE_LARGE_TIME) {
return "value must be less than 597 hours";
}
if (cf->args->nelts == 2) {
return NGX_CONF_OK;
}
lcf->keepalive_header = ngx_parse_time(&value[2], 1);
if (lcf->keepalive_header == NGX_ERROR) {
return "invalid value";
}
if (lcf->keepalive_header == NGX_PARSE_LARGE_TIME) {
return "value must be less than 68 years";
}
return NGX_CONF_OK;
}
static char *ngx_set_error_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_core_loc_conf_t *lcf = conf;
if (!(lcf->err_log = ngx_log_create_errlog(cf->cycle, cf->args))) {
return NGX_CONF_ERROR;
}
return ngx_set_error_log_levels(cf, lcf->err_log);
}
static char *ngx_http_lowat_check(ngx_conf_t *cf, void *post, void *data)
{
ssize_t *np = data;
#if (NGX_FREEBSD)
if (*np >= ngx_freebsd_net_inet_tcp_sendspace) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"\"send_lowat\" must be less than %d "
"(sysctl net.inet.tcp.sendspace)",
ngx_freebsd_net_inet_tcp_sendspace);
return NGX_CONF_ERROR;
}
#elif !(HAVE_SO_SNDLOWAT)
ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
"\"send_lowat\" is not supported, ignored");
*np = 0;
#endif
return NGX_CONF_OK;
}