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Hakase
2022-10-31 21:37:30 +09:00
commit 4de58743c2
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src/http/ngx_http.c
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/*
* Copyright (C) Igor Sysoev
* Copyright (C) Nginx, Inc.
*/
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_http.h>
static char *ngx_http_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
static ngx_int_t ngx_http_init_phases(ngx_conf_t *cf,
ngx_http_core_main_conf_t *cmcf);
static ngx_int_t ngx_http_init_headers_in_hash(ngx_conf_t *cf,
ngx_http_core_main_conf_t *cmcf);
static ngx_int_t ngx_http_init_phase_handlers(ngx_conf_t *cf,
ngx_http_core_main_conf_t *cmcf);
static ngx_int_t ngx_http_add_addresses(ngx_conf_t *cf,
ngx_http_core_srv_conf_t *cscf, ngx_http_conf_port_t *port,
ngx_http_listen_opt_t *lsopt);
static ngx_int_t ngx_http_add_address(ngx_conf_t *cf,
ngx_http_core_srv_conf_t *cscf, ngx_http_conf_port_t *port,
ngx_http_listen_opt_t *lsopt);
static ngx_int_t ngx_http_add_server(ngx_conf_t *cf,
ngx_http_core_srv_conf_t *cscf, ngx_http_conf_addr_t *addr);
static char *ngx_http_merge_servers(ngx_conf_t *cf,
ngx_http_core_main_conf_t *cmcf, ngx_http_module_t *module,
ngx_uint_t ctx_index);
static char *ngx_http_merge_locations(ngx_conf_t *cf,
ngx_queue_t *locations, void **loc_conf, ngx_http_module_t *module,
ngx_uint_t ctx_index);
static ngx_int_t ngx_http_init_locations(ngx_conf_t *cf,
ngx_http_core_srv_conf_t *cscf, ngx_http_core_loc_conf_t *pclcf);
static ngx_int_t ngx_http_init_static_location_trees(ngx_conf_t *cf,
ngx_http_core_loc_conf_t *pclcf);
static ngx_int_t ngx_http_escape_location_name(ngx_conf_t *cf,
ngx_http_core_loc_conf_t *clcf);
static ngx_int_t ngx_http_cmp_locations(const ngx_queue_t *one,
const ngx_queue_t *two);
static ngx_int_t ngx_http_join_exact_locations(ngx_conf_t *cf,
ngx_queue_t *locations);
static void ngx_http_create_locations_list(ngx_queue_t *locations,
ngx_queue_t *q);
static ngx_http_location_tree_node_t *
ngx_http_create_locations_tree(ngx_conf_t *cf, ngx_queue_t *locations,
size_t prefix);
static ngx_int_t ngx_http_optimize_servers(ngx_conf_t *cf,
ngx_http_core_main_conf_t *cmcf, ngx_array_t *ports);
static ngx_int_t ngx_http_server_names(ngx_conf_t *cf,
ngx_http_core_main_conf_t *cmcf, ngx_http_conf_addr_t *addr);
static ngx_int_t ngx_http_cmp_conf_addrs(const void *one, const void *two);
static int ngx_libc_cdecl ngx_http_cmp_dns_wildcards(const void *one,
const void *two);
static ngx_int_t ngx_http_init_listening(ngx_conf_t *cf,
ngx_http_conf_port_t *port);
static ngx_listening_t *ngx_http_add_listening(ngx_conf_t *cf,
ngx_http_conf_addr_t *addr);
static ngx_int_t ngx_http_add_addrs(ngx_conf_t *cf, ngx_http_port_t *hport,
ngx_http_conf_addr_t *addr);
#if (NGX_HAVE_INET6)
static ngx_int_t ngx_http_add_addrs6(ngx_conf_t *cf, ngx_http_port_t *hport,
ngx_http_conf_addr_t *addr);
#endif
ngx_uint_t ngx_http_max_module;
ngx_http_output_header_filter_pt ngx_http_top_header_filter;
ngx_http_output_body_filter_pt ngx_http_top_body_filter;
ngx_http_request_body_filter_pt ngx_http_top_request_body_filter;
ngx_str_t ngx_http_html_default_types[] = {
ngx_string("text/html"),
ngx_null_string
};
static ngx_command_t ngx_http_commands[] = {
{ ngx_string("http"),
NGX_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
ngx_http_block,
0,
0,
NULL },
ngx_null_command
};
static ngx_core_module_t ngx_http_module_ctx = {
ngx_string("http"),
NULL,
NULL
};
ngx_module_t ngx_http_module = {
NGX_MODULE_V1,
&ngx_http_module_ctx, /* module context */
ngx_http_commands, /* module directives */
NGX_CORE_MODULE, /* module type */
NULL, /* init master */
NULL, /* init module */
NULL, /* init process */
NULL, /* init thread */
NULL, /* exit thread */
NULL, /* exit process */
NULL, /* exit master */
NGX_MODULE_V1_PADDING
};
static char *
ngx_http_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
char *rv;
ngx_uint_t mi, m, s;
ngx_conf_t pcf;
ngx_http_module_t *module;
ngx_http_conf_ctx_t *ctx;
ngx_http_core_loc_conf_t *clcf;
ngx_http_core_srv_conf_t **cscfp;
ngx_http_core_main_conf_t *cmcf;
if (*(ngx_http_conf_ctx_t **) conf) {
return "is duplicate";
}
/* the main http context */
ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t));
if (ctx == NULL) {
return NGX_CONF_ERROR;
}
*(ngx_http_conf_ctx_t **) conf = ctx;
/* count the number of the http modules and set up their indices */
ngx_http_max_module = ngx_count_modules(cf->cycle, NGX_HTTP_MODULE);
/* the http main_conf context, it is the same in the all http contexts */
ctx->main_conf = ngx_pcalloc(cf->pool,
sizeof(void *) * ngx_http_max_module);
if (ctx->main_conf == NULL) {
return NGX_CONF_ERROR;
}
/*
* the http null srv_conf context, it is used to merge
* the server{}s' srv_conf's
*/
ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module);
if (ctx->srv_conf == NULL) {
return NGX_CONF_ERROR;
}
/*
* the http null loc_conf context, it is used to merge
* the server{}s' loc_conf's
*/
ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module);
if (ctx->loc_conf == NULL) {
return NGX_CONF_ERROR;
}
/*
* create the main_conf's, the null srv_conf's, and the null loc_conf's
* of the all http modules
*/
for (m = 0; cf->cycle->modules[m]; m++) {
if (cf->cycle->modules[m]->type != NGX_HTTP_MODULE) {
continue;
}
module = cf->cycle->modules[m]->ctx;
mi = cf->cycle->modules[m]->ctx_index;
if (module->create_main_conf) {
ctx->main_conf[mi] = module->create_main_conf(cf);
if (ctx->main_conf[mi] == NULL) {
return NGX_CONF_ERROR;
}
}
if (module->create_srv_conf) {
ctx->srv_conf[mi] = module->create_srv_conf(cf);
if (ctx->srv_conf[mi] == NULL) {
return NGX_CONF_ERROR;
}
}
if (module->create_loc_conf) {
ctx->loc_conf[mi] = module->create_loc_conf(cf);
if (ctx->loc_conf[mi] == NULL) {
return NGX_CONF_ERROR;
}
}
}
pcf = *cf;
cf->ctx = ctx;
for (m = 0; cf->cycle->modules[m]; m++) {
if (cf->cycle->modules[m]->type != NGX_HTTP_MODULE) {
continue;
}
module = cf->cycle->modules[m]->ctx;
if (module->preconfiguration) {
if (module->preconfiguration(cf) != NGX_OK) {
return NGX_CONF_ERROR;
}
}
}
/* parse inside the http{} block */
cf->module_type = NGX_HTTP_MODULE;
cf->cmd_type = NGX_HTTP_MAIN_CONF;
rv = ngx_conf_parse(cf, NULL);
if (rv != NGX_CONF_OK) {
goto failed;
}
/*
* init http{} main_conf's, merge the server{}s' srv_conf's
* and its location{}s' loc_conf's
*/
cmcf = ctx->main_conf[ngx_http_core_module.ctx_index];
cscfp = cmcf->servers.elts;
for (m = 0; cf->cycle->modules[m]; m++) {
if (cf->cycle->modules[m]->type != NGX_HTTP_MODULE) {
continue;
}
module = cf->cycle->modules[m]->ctx;
mi = cf->cycle->modules[m]->ctx_index;
/* init http{} main_conf's */
if (module->init_main_conf) {
rv = module->init_main_conf(cf, ctx->main_conf[mi]);
if (rv != NGX_CONF_OK) {
goto failed;
}
}
rv = ngx_http_merge_servers(cf, cmcf, module, mi);
if (rv != NGX_CONF_OK) {
goto failed;
}
}
/* create location trees */
for (s = 0; s < cmcf->servers.nelts; s++) {
clcf = cscfp[s]->ctx->loc_conf[ngx_http_core_module.ctx_index];
if (ngx_http_init_locations(cf, cscfp[s], clcf) != NGX_OK) {
return NGX_CONF_ERROR;
}
if (ngx_http_init_static_location_trees(cf, clcf) != NGX_OK) {
return NGX_CONF_ERROR;
}
}
if (ngx_http_init_phases(cf, cmcf) != NGX_OK) {
return NGX_CONF_ERROR;
}
if (ngx_http_init_headers_in_hash(cf, cmcf) != NGX_OK) {
return NGX_CONF_ERROR;
}
for (m = 0; cf->cycle->modules[m]; m++) {
if (cf->cycle->modules[m]->type != NGX_HTTP_MODULE) {
continue;
}
module = cf->cycle->modules[m]->ctx;
if (module->postconfiguration) {
if (module->postconfiguration(cf) != NGX_OK) {
return NGX_CONF_ERROR;
}
}
}
if (ngx_http_variables_init_vars(cf) != NGX_OK) {
return NGX_CONF_ERROR;
}
/*
* http{}'s cf->ctx was needed while the configuration merging
* and in postconfiguration process
*/
*cf = pcf;
if (ngx_http_init_phase_handlers(cf, cmcf) != NGX_OK) {
return NGX_CONF_ERROR;
}
/* optimize the lists of ports, addresses and server names */
if (ngx_http_optimize_servers(cf, cmcf, cmcf->ports) != NGX_OK) {
return NGX_CONF_ERROR;
}
return NGX_CONF_OK;
failed:
*cf = pcf;
return rv;
}
static ngx_int_t
ngx_http_init_phases(ngx_conf_t *cf, ngx_http_core_main_conf_t *cmcf)
{
if (ngx_array_init(&cmcf->phases[NGX_HTTP_POST_READ_PHASE].handlers,
cf->pool, 1, sizeof(ngx_http_handler_pt))
!= NGX_OK)
{
return NGX_ERROR;
}
if (ngx_array_init(&cmcf->phases[NGX_HTTP_SERVER_REWRITE_PHASE].handlers,
cf->pool, 1, sizeof(ngx_http_handler_pt))
!= NGX_OK)
{
return NGX_ERROR;
}
if (ngx_array_init(&cmcf->phases[NGX_HTTP_REWRITE_PHASE].handlers,
cf->pool, 1, sizeof(ngx_http_handler_pt))
!= NGX_OK)
{
return NGX_ERROR;
}
if (ngx_array_init(&cmcf->phases[NGX_HTTP_PREACCESS_PHASE].handlers,
cf->pool, 1, sizeof(ngx_http_handler_pt))
!= NGX_OK)
{
return NGX_ERROR;
}
if (ngx_array_init(&cmcf->phases[NGX_HTTP_ACCESS_PHASE].handlers,
cf->pool, 2, sizeof(ngx_http_handler_pt))
!= NGX_OK)
{
return NGX_ERROR;
}
if (ngx_array_init(&cmcf->phases[NGX_HTTP_PRECONTENT_PHASE].handlers,
cf->pool, 2, sizeof(ngx_http_handler_pt))
!= NGX_OK)
{
return NGX_ERROR;
}
if (ngx_array_init(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers,
cf->pool, 4, sizeof(ngx_http_handler_pt))
!= NGX_OK)
{
return NGX_ERROR;
}
if (ngx_array_init(&cmcf->phases[NGX_HTTP_LOG_PHASE].handlers,
cf->pool, 1, sizeof(ngx_http_handler_pt))
!= NGX_OK)
{
return NGX_ERROR;
}
return NGX_OK;
}
static ngx_int_t
ngx_http_init_headers_in_hash(ngx_conf_t *cf, ngx_http_core_main_conf_t *cmcf)
{
ngx_array_t headers_in;
ngx_hash_key_t *hk;
ngx_hash_init_t hash;
ngx_http_header_t *header;
if (ngx_array_init(&headers_in, cf->temp_pool, 32, sizeof(ngx_hash_key_t))
!= NGX_OK)
{
return NGX_ERROR;
}
for (header = ngx_http_headers_in; header->name.len; header++) {
hk = ngx_array_push(&headers_in);
if (hk == NULL) {
return NGX_ERROR;
}
hk->key = header->name;
hk->key_hash = ngx_hash_key_lc(header->name.data, header->name.len);
hk->value = header;
}
hash.hash = &cmcf->headers_in_hash;
hash.key = ngx_hash_key_lc;
hash.max_size = 512;
hash.bucket_size = ngx_align(64, ngx_cacheline_size);
hash.name = "headers_in_hash";
hash.pool = cf->pool;
hash.temp_pool = NULL;
if (ngx_hash_init(&hash, headers_in.elts, headers_in.nelts) != NGX_OK) {
return NGX_ERROR;
}
return NGX_OK;
}
static ngx_int_t
ngx_http_init_phase_handlers(ngx_conf_t *cf, ngx_http_core_main_conf_t *cmcf)
{
ngx_int_t j;
ngx_uint_t i, n;
ngx_uint_t find_config_index, use_rewrite, use_access;
ngx_http_handler_pt *h;
ngx_http_phase_handler_t *ph;
ngx_http_phase_handler_pt checker;
cmcf->phase_engine.server_rewrite_index = (ngx_uint_t) -1;
cmcf->phase_engine.location_rewrite_index = (ngx_uint_t) -1;
find_config_index = 0;
use_rewrite = cmcf->phases[NGX_HTTP_REWRITE_PHASE].handlers.nelts ? 1 : 0;
use_access = cmcf->phases[NGX_HTTP_ACCESS_PHASE].handlers.nelts ? 1 : 0;
n = 1 /* find config phase */
+ use_rewrite /* post rewrite phase */
+ use_access; /* post access phase */
for (i = 0; i < NGX_HTTP_LOG_PHASE; i++) {
n += cmcf->phases[i].handlers.nelts;
}
ph = ngx_pcalloc(cf->pool,
n * sizeof(ngx_http_phase_handler_t) + sizeof(void *));
if (ph == NULL) {
return NGX_ERROR;
}
cmcf->phase_engine.handlers = ph;
n = 0;
for (i = 0; i < NGX_HTTP_LOG_PHASE; i++) {
h = cmcf->phases[i].handlers.elts;
switch (i) {
case NGX_HTTP_SERVER_REWRITE_PHASE:
if (cmcf->phase_engine.server_rewrite_index == (ngx_uint_t) -1) {
cmcf->phase_engine.server_rewrite_index = n;
}
checker = ngx_http_core_rewrite_phase;
break;
case NGX_HTTP_FIND_CONFIG_PHASE:
find_config_index = n;
ph->checker = ngx_http_core_find_config_phase;
n++;
ph++;
continue;
case NGX_HTTP_REWRITE_PHASE:
if (cmcf->phase_engine.location_rewrite_index == (ngx_uint_t) -1) {
cmcf->phase_engine.location_rewrite_index = n;
}
checker = ngx_http_core_rewrite_phase;
break;
case NGX_HTTP_POST_REWRITE_PHASE:
if (use_rewrite) {
ph->checker = ngx_http_core_post_rewrite_phase;
ph->next = find_config_index;
n++;
ph++;
}
continue;
case NGX_HTTP_ACCESS_PHASE:
checker = ngx_http_core_access_phase;
n++;
break;
case NGX_HTTP_POST_ACCESS_PHASE:
if (use_access) {
ph->checker = ngx_http_core_post_access_phase;
ph->next = n;
ph++;
}
continue;
case NGX_HTTP_CONTENT_PHASE:
checker = ngx_http_core_content_phase;
break;
default:
checker = ngx_http_core_generic_phase;
}
n += cmcf->phases[i].handlers.nelts;
for (j = cmcf->phases[i].handlers.nelts - 1; j >= 0; j--) {
ph->checker = checker;
ph->handler = h[j];
ph->next = n;
ph++;
}
}
return NGX_OK;
}
static char *
ngx_http_merge_servers(ngx_conf_t *cf, ngx_http_core_main_conf_t *cmcf,
ngx_http_module_t *module, ngx_uint_t ctx_index)
{
char *rv;
ngx_uint_t s;
ngx_http_conf_ctx_t *ctx, saved;
ngx_http_core_loc_conf_t *clcf;
ngx_http_core_srv_conf_t **cscfp;
cscfp = cmcf->servers.elts;
ctx = (ngx_http_conf_ctx_t *) cf->ctx;
saved = *ctx;
rv = NGX_CONF_OK;
for (s = 0; s < cmcf->servers.nelts; s++) {
/* merge the server{}s' srv_conf's */
ctx->srv_conf = cscfp[s]->ctx->srv_conf;
if (module->merge_srv_conf) {
rv = module->merge_srv_conf(cf, saved.srv_conf[ctx_index],
cscfp[s]->ctx->srv_conf[ctx_index]);
if (rv != NGX_CONF_OK) {
goto failed;
}
}
if (module->merge_loc_conf) {
/* merge the server{}'s loc_conf */
ctx->loc_conf = cscfp[s]->ctx->loc_conf;
rv = module->merge_loc_conf(cf, saved.loc_conf[ctx_index],
cscfp[s]->ctx->loc_conf[ctx_index]);
if (rv != NGX_CONF_OK) {
goto failed;
}
/* merge the locations{}' loc_conf's */
clcf = cscfp[s]->ctx->loc_conf[ngx_http_core_module.ctx_index];
rv = ngx_http_merge_locations(cf, clcf->locations,
cscfp[s]->ctx->loc_conf,
module, ctx_index);
if (rv != NGX_CONF_OK) {
goto failed;
}
}
}
failed:
*ctx = saved;
return rv;
}
static char *
ngx_http_merge_locations(ngx_conf_t *cf, ngx_queue_t *locations,
void **loc_conf, ngx_http_module_t *module, ngx_uint_t ctx_index)
{
char *rv;
ngx_queue_t *q;
ngx_http_conf_ctx_t *ctx, saved;
ngx_http_core_loc_conf_t *clcf;
ngx_http_location_queue_t *lq;
if (locations == NULL) {
return NGX_CONF_OK;
}
ctx = (ngx_http_conf_ctx_t *) cf->ctx;
saved = *ctx;
for (q = ngx_queue_head(locations);
q != ngx_queue_sentinel(locations);
q = ngx_queue_next(q))
{
lq = (ngx_http_location_queue_t *) q;
clcf = lq->exact ? lq->exact : lq->inclusive;
ctx->loc_conf = clcf->loc_conf;
rv = module->merge_loc_conf(cf, loc_conf[ctx_index],
clcf->loc_conf[ctx_index]);
if (rv != NGX_CONF_OK) {
return rv;
}
rv = ngx_http_merge_locations(cf, clcf->locations, clcf->loc_conf,
module, ctx_index);
if (rv != NGX_CONF_OK) {
return rv;
}
}
*ctx = saved;
return NGX_CONF_OK;
}
static ngx_int_t
ngx_http_init_locations(ngx_conf_t *cf, ngx_http_core_srv_conf_t *cscf,
ngx_http_core_loc_conf_t *pclcf)
{
ngx_uint_t n;
ngx_queue_t *q, *locations, *named, tail;
ngx_http_core_loc_conf_t *clcf;
ngx_http_location_queue_t *lq;
ngx_http_core_loc_conf_t **clcfp;
#if (NGX_PCRE)
ngx_uint_t r;
ngx_queue_t *regex;
#endif
locations = pclcf->locations;
if (locations == NULL) {
return NGX_OK;
}
ngx_queue_sort(locations, ngx_http_cmp_locations);
named = NULL;
n = 0;
#if (NGX_PCRE)
regex = NULL;
r = 0;
#endif
for (q = ngx_queue_head(locations);
q != ngx_queue_sentinel(locations);
q = ngx_queue_next(q))
{
lq = (ngx_http_location_queue_t *) q;
clcf = lq->exact ? lq->exact : lq->inclusive;
if (ngx_http_init_locations(cf, NULL, clcf) != NGX_OK) {
return NGX_ERROR;
}
#if (NGX_PCRE)
if (clcf->regex) {
r++;
if (regex == NULL) {
regex = q;
}
continue;
}
#endif
if (clcf->named) {
n++;
if (named == NULL) {
named = q;
}
continue;
}
if (clcf->noname) {
break;
}
}
if (q != ngx_queue_sentinel(locations)) {
ngx_queue_split(locations, q, &tail);
}
if (named) {
clcfp = ngx_palloc(cf->pool,
(n + 1) * sizeof(ngx_http_core_loc_conf_t *));
if (clcfp == NULL) {
return NGX_ERROR;
}
cscf->named_locations = clcfp;
for (q = named;
q != ngx_queue_sentinel(locations);
q = ngx_queue_next(q))
{
lq = (ngx_http_location_queue_t *) q;
*(clcfp++) = lq->exact;
}
*clcfp = NULL;
ngx_queue_split(locations, named, &tail);
}
#if (NGX_PCRE)
if (regex) {
clcfp = ngx_palloc(cf->pool,
(r + 1) * sizeof(ngx_http_core_loc_conf_t *));
if (clcfp == NULL) {
return NGX_ERROR;
}
pclcf->regex_locations = clcfp;
for (q = regex;
q != ngx_queue_sentinel(locations);
q = ngx_queue_next(q))
{
lq = (ngx_http_location_queue_t *) q;
*(clcfp++) = lq->exact;
}
*clcfp = NULL;
ngx_queue_split(locations, regex, &tail);
}
#endif
return NGX_OK;
}
static ngx_int_t
ngx_http_init_static_location_trees(ngx_conf_t *cf,
ngx_http_core_loc_conf_t *pclcf)
{
ngx_queue_t *q, *locations;
ngx_http_core_loc_conf_t *clcf;
ngx_http_location_queue_t *lq;
locations = pclcf->locations;
if (locations == NULL) {
return NGX_OK;
}
if (ngx_queue_empty(locations)) {
return NGX_OK;
}
for (q = ngx_queue_head(locations);
q != ngx_queue_sentinel(locations);
q = ngx_queue_next(q))
{
lq = (ngx_http_location_queue_t *) q;
clcf = lq->exact ? lq->exact : lq->inclusive;
if (ngx_http_init_static_location_trees(cf, clcf) != NGX_OK) {
return NGX_ERROR;
}
}
if (ngx_http_join_exact_locations(cf, locations) != NGX_OK) {
return NGX_ERROR;
}
ngx_http_create_locations_list(locations, ngx_queue_head(locations));
pclcf->static_locations = ngx_http_create_locations_tree(cf, locations, 0);
if (pclcf->static_locations == NULL) {
return NGX_ERROR;
}
return NGX_OK;
}
ngx_int_t
ngx_http_add_location(ngx_conf_t *cf, ngx_queue_t **locations,
ngx_http_core_loc_conf_t *clcf)
{
ngx_http_location_queue_t *lq;
if (*locations == NULL) {
*locations = ngx_palloc(cf->temp_pool,
sizeof(ngx_http_location_queue_t));
if (*locations == NULL) {
return NGX_ERROR;
}
ngx_queue_init(*locations);
}
lq = ngx_palloc(cf->temp_pool, sizeof(ngx_http_location_queue_t));
if (lq == NULL) {
return NGX_ERROR;
}
if (clcf->exact_match
#if (NGX_PCRE)
|| clcf->regex
#endif
|| clcf->named || clcf->noname)
{
lq->exact = clcf;
lq->inclusive = NULL;
} else {
lq->exact = NULL;
lq->inclusive = clcf;
}
lq->name = &clcf->name;
lq->file_name = cf->conf_file->file.name.data;
lq->line = cf->conf_file->line;
ngx_queue_init(&lq->list);
ngx_queue_insert_tail(*locations, &lq->queue);
if (ngx_http_escape_location_name(cf, clcf) != NGX_OK) {
return NGX_ERROR;
}
return NGX_OK;
}
static ngx_int_t
ngx_http_escape_location_name(ngx_conf_t *cf, ngx_http_core_loc_conf_t *clcf)
{
u_char *p;
size_t len;
uintptr_t escape;
escape = 2 * ngx_escape_uri(NULL, clcf->name.data, clcf->name.len,
NGX_ESCAPE_URI);
if (escape) {
len = clcf->name.len + escape;
p = ngx_pnalloc(cf->pool, len);
if (p == NULL) {
return NGX_ERROR;
}
clcf->escaped_name.len = len;
clcf->escaped_name.data = p;
ngx_escape_uri(p, clcf->name.data, clcf->name.len, NGX_ESCAPE_URI);
} else {
clcf->escaped_name = clcf->name;
}
return NGX_OK;
}
static ngx_int_t
ngx_http_cmp_locations(const ngx_queue_t *one, const ngx_queue_t *two)
{
ngx_int_t rc;
ngx_http_core_loc_conf_t *first, *second;
ngx_http_location_queue_t *lq1, *lq2;
lq1 = (ngx_http_location_queue_t *) one;
lq2 = (ngx_http_location_queue_t *) two;
first = lq1->exact ? lq1->exact : lq1->inclusive;
second = lq2->exact ? lq2->exact : lq2->inclusive;
if (first->noname && !second->noname) {
/* shift no named locations to the end */
return 1;
}
if (!first->noname && second->noname) {
/* shift no named locations to the end */
return -1;
}
if (first->noname || second->noname) {
/* do not sort no named locations */
return 0;
}
if (first->named && !second->named) {
/* shift named locations to the end */
return 1;
}
if (!first->named && second->named) {
/* shift named locations to the end */
return -1;
}
if (first->named && second->named) {
return ngx_strcmp(first->name.data, second->name.data);
}
#if (NGX_PCRE)
if (first->regex && !second->regex) {
/* shift the regex matches to the end */
return 1;
}
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_filename_cmp(first->name.data, second->name.data,
ngx_min(first->name.len, second->name.len) + 1);
if (rc == 0 && !first->exact_match && second->exact_match) {
/* an exact match must be before the same inclusive one */
return 1;
}
return rc;
}
static ngx_int_t
ngx_http_join_exact_locations(ngx_conf_t *cf, ngx_queue_t *locations)
{
ngx_queue_t *q, *x;
ngx_http_location_queue_t *lq, *lx;
q = ngx_queue_head(locations);
while (q != ngx_queue_last(locations)) {
x = ngx_queue_next(q);
lq = (ngx_http_location_queue_t *) q;
lx = (ngx_http_location_queue_t *) x;
if (lq->name->len == lx->name->len
&& ngx_filename_cmp(lq->name->data, lx->name->data, lx->name->len)
== 0)
{
if ((lq->exact && lx->exact) || (lq->inclusive && lx->inclusive)) {
ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
"duplicate location \"%V\" in %s:%ui",
lx->name, lx->file_name, lx->line);
return NGX_ERROR;
}
lq->inclusive = lx->inclusive;
ngx_queue_remove(x);
continue;
}
q = ngx_queue_next(q);
}
return NGX_OK;
}
static void
ngx_http_create_locations_list(ngx_queue_t *locations, ngx_queue_t *q)
{
u_char *name;
size_t len;
ngx_queue_t *x, tail;
ngx_http_location_queue_t *lq, *lx;
if (q == ngx_queue_last(locations)) {
return;
}
lq = (ngx_http_location_queue_t *) q;
if (lq->inclusive == NULL) {
ngx_http_create_locations_list(locations, ngx_queue_next(q));
return;
}
len = lq->name->len;
name = lq->name->data;
for (x = ngx_queue_next(q);
x != ngx_queue_sentinel(locations);
x = ngx_queue_next(x))
{
lx = (ngx_http_location_queue_t *) x;
if (len > lx->name->len
|| ngx_filename_cmp(name, lx->name->data, len) != 0)
{
break;
}
}
q = ngx_queue_next(q);
if (q == x) {
ngx_http_create_locations_list(locations, x);
return;
}
ngx_queue_split(locations, q, &tail);
ngx_queue_add(&lq->list, &tail);
if (x == ngx_queue_sentinel(locations)) {
ngx_http_create_locations_list(&lq->list, ngx_queue_head(&lq->list));
return;
}
ngx_queue_split(&lq->list, x, &tail);
ngx_queue_add(locations, &tail);
ngx_http_create_locations_list(&lq->list, ngx_queue_head(&lq->list));
ngx_http_create_locations_list(locations, x);
}
/*
* to keep cache locality for left leaf nodes, allocate nodes in following
* order: node, left subtree, right subtree, inclusive subtree
*/
static ngx_http_location_tree_node_t *
ngx_http_create_locations_tree(ngx_conf_t *cf, ngx_queue_t *locations,
size_t prefix)
{
size_t len;
ngx_queue_t *q, tail;
ngx_http_location_queue_t *lq;
ngx_http_location_tree_node_t *node;
q = ngx_queue_middle(locations);
lq = (ngx_http_location_queue_t *) q;
len = lq->name->len - prefix;
node = ngx_palloc(cf->pool,
offsetof(ngx_http_location_tree_node_t, name) + len);
if (node == NULL) {
return NULL;
}
node->left = NULL;
node->right = NULL;
node->tree = NULL;
node->exact = lq->exact;
node->inclusive = lq->inclusive;
node->auto_redirect = (u_char) ((lq->exact && lq->exact->auto_redirect)
|| (lq->inclusive && lq->inclusive->auto_redirect));
node->len = (u_char) len;
ngx_memcpy(node->name, &lq->name->data[prefix], len);
ngx_queue_split(locations, q, &tail);
if (ngx_queue_empty(locations)) {
/*
* ngx_queue_split() insures that if left part is empty,
* then right one is empty too
*/
goto inclusive;
}
node->left = ngx_http_create_locations_tree(cf, locations, prefix);
if (node->left == NULL) {
return NULL;
}
ngx_queue_remove(q);
if (ngx_queue_empty(&tail)) {
goto inclusive;
}
node->right = ngx_http_create_locations_tree(cf, &tail, prefix);
if (node->right == NULL) {
return NULL;
}
inclusive:
if (ngx_queue_empty(&lq->list)) {
return node;
}
node->tree = ngx_http_create_locations_tree(cf, &lq->list, prefix + len);
if (node->tree == NULL) {
return NULL;
}
return node;
}
ngx_int_t
ngx_http_add_listen(ngx_conf_t *cf, ngx_http_core_srv_conf_t *cscf,
ngx_http_listen_opt_t *lsopt)
{
in_port_t p;
ngx_uint_t i;
struct sockaddr *sa;
ngx_http_conf_port_t *port;
ngx_http_core_main_conf_t *cmcf;
cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
if (cmcf->ports == NULL) {
cmcf->ports = ngx_array_create(cf->temp_pool, 2,
sizeof(ngx_http_conf_port_t));
if (cmcf->ports == NULL) {
return NGX_ERROR;
}
}
sa = lsopt->sockaddr;
p = ngx_inet_get_port(sa);
port = cmcf->ports->elts;
for (i = 0; i < cmcf->ports->nelts; i++) {
if (p != port[i].port || sa->sa_family != port[i].family) {
continue;
}
/* a port is already in the port list */
return ngx_http_add_addresses(cf, cscf, &port[i], lsopt);
}
/* add a port to the port list */
port = ngx_array_push(cmcf->ports);
if (port == NULL) {
return NGX_ERROR;
}
port->family = sa->sa_family;
port->port = p;
port->addrs.elts = NULL;
return ngx_http_add_address(cf, cscf, port, lsopt);
}
static ngx_int_t
ngx_http_add_addresses(ngx_conf_t *cf, ngx_http_core_srv_conf_t *cscf,
ngx_http_conf_port_t *port, ngx_http_listen_opt_t *lsopt)
{
ngx_uint_t i, default_server, proxy_protocol;
ngx_http_conf_addr_t *addr;
#if (NGX_HTTP_SSL)
ngx_uint_t ssl;
#endif
#if (NGX_HTTP_V2)
ngx_uint_t http2;
#endif
/*
* we cannot compare whole sockaddr struct's as kernel
* may fill some fields in inherited sockaddr struct's
*/
addr = port->addrs.elts;
for (i = 0; i < port->addrs.nelts; i++) {
if (ngx_cmp_sockaddr(lsopt->sockaddr, lsopt->socklen,
addr[i].opt.sockaddr,
addr[i].opt.socklen, 0)
!= NGX_OK)
{
continue;
}
/* the address is already in the address list */
if (ngx_http_add_server(cf, cscf, &addr[i]) != NGX_OK) {
return NGX_ERROR;
}
/* preserve default_server bit during listen options overwriting */
default_server = addr[i].opt.default_server;
proxy_protocol = lsopt->proxy_protocol || addr[i].opt.proxy_protocol;
#if (NGX_HTTP_SSL)
ssl = lsopt->ssl || addr[i].opt.ssl;
#endif
#if (NGX_HTTP_V2)
http2 = lsopt->http2 || addr[i].opt.http2;
#endif
if (lsopt->set) {
if (addr[i].opt.set) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"duplicate listen options for %V",
&addr[i].opt.addr_text);
return NGX_ERROR;
}
addr[i].opt = *lsopt;
}
/* check the duplicate "default" server for this address:port */
if (lsopt->default_server) {
if (default_server) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"a duplicate default server for %V",
&addr[i].opt.addr_text);
return NGX_ERROR;
}
default_server = 1;
addr[i].default_server = cscf;
}
addr[i].opt.default_server = default_server;
addr[i].opt.proxy_protocol = proxy_protocol;
#if (NGX_HTTP_SSL)
addr[i].opt.ssl = ssl;
#endif
#if (NGX_HTTP_V2)
addr[i].opt.http2 = http2;
#endif
return NGX_OK;
}
/* add the address to the addresses list that bound to this port */
return ngx_http_add_address(cf, cscf, port, lsopt);
}
/*
* add the server address, the server names and the server core module
* configurations to the port list
*/
static ngx_int_t
ngx_http_add_address(ngx_conf_t *cf, ngx_http_core_srv_conf_t *cscf,
ngx_http_conf_port_t *port, ngx_http_listen_opt_t *lsopt)
{
ngx_http_conf_addr_t *addr;
if (port->addrs.elts == NULL) {
if (ngx_array_init(&port->addrs, cf->temp_pool, 4,
sizeof(ngx_http_conf_addr_t))
!= NGX_OK)
{
return NGX_ERROR;
}
}
#if (NGX_HTTP_V2 && NGX_HTTP_SSL \
&& !defined TLSEXT_TYPE_application_layer_protocol_negotiation)
if (lsopt->http2 && lsopt->ssl) {
ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
"nginx was built with OpenSSL that lacks ALPN "
"support, HTTP/2 is not enabled for %V",
&lsopt->addr_text);
}
#endif
addr = ngx_array_push(&port->addrs);
if (addr == NULL) {
return NGX_ERROR;
}
addr->opt = *lsopt;
addr->hash.buckets = NULL;
addr->hash.size = 0;
addr->wc_head = NULL;
addr->wc_tail = NULL;
#if (NGX_PCRE)
addr->nregex = 0;
addr->regex = NULL;
#endif
addr->default_server = cscf;
addr->servers.elts = NULL;
return ngx_http_add_server(cf, cscf, addr);
}
/* add the server core module configuration to the address:port */
static ngx_int_t
ngx_http_add_server(ngx_conf_t *cf, ngx_http_core_srv_conf_t *cscf,
ngx_http_conf_addr_t *addr)
{
ngx_uint_t i;
ngx_http_core_srv_conf_t **server;
if (addr->servers.elts == NULL) {
if (ngx_array_init(&addr->servers, cf->temp_pool, 4,
sizeof(ngx_http_core_srv_conf_t *))
!= NGX_OK)
{
return NGX_ERROR;
}
} else {
server = addr->servers.elts;
for (i = 0; i < addr->servers.nelts; i++) {
if (server[i] == cscf) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"a duplicate listen %V",
&addr->opt.addr_text);
return NGX_ERROR;
}
}
}
server = ngx_array_push(&addr->servers);
if (server == NULL) {
return NGX_ERROR;
}
*server = cscf;
return NGX_OK;
}
static ngx_int_t
ngx_http_optimize_servers(ngx_conf_t *cf, ngx_http_core_main_conf_t *cmcf,
ngx_array_t *ports)
{
ngx_uint_t p, a;
ngx_http_conf_port_t *port;
ngx_http_conf_addr_t *addr;
if (ports == NULL) {
return NGX_OK;
}
port = ports->elts;
for (p = 0; p < ports->nelts; p++) {
ngx_sort(port[p].addrs.elts, (size_t) port[p].addrs.nelts,
sizeof(ngx_http_conf_addr_t), ngx_http_cmp_conf_addrs);
/*
* check whether all name-based servers have the same
* configuration as a default server for given address:port
*/
addr = port[p].addrs.elts;
for (a = 0; a < port[p].addrs.nelts; a++) {
if (addr[a].servers.nelts > 1
#if (NGX_PCRE)
|| addr[a].default_server->captures
#endif
)
{
if (ngx_http_server_names(cf, cmcf, &addr[a]) != NGX_OK) {
return NGX_ERROR;
}
}
}
if (ngx_http_init_listening(cf, &port[p]) != NGX_OK) {
return NGX_ERROR;
}
}
return NGX_OK;
}
static ngx_int_t
ngx_http_server_names(ngx_conf_t *cf, ngx_http_core_main_conf_t *cmcf,
ngx_http_conf_addr_t *addr)
{
ngx_int_t rc;
ngx_uint_t n, s;
ngx_hash_init_t hash;
ngx_hash_keys_arrays_t ha;
ngx_http_server_name_t *name;
ngx_http_core_srv_conf_t **cscfp;
#if (NGX_PCRE)
ngx_uint_t regex, i;
regex = 0;
#endif
ngx_memzero(&ha, sizeof(ngx_hash_keys_arrays_t));
ha.temp_pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, cf->log);
if (ha.temp_pool == NULL) {
return NGX_ERROR;
}
ha.pool = cf->pool;
if (ngx_hash_keys_array_init(&ha, NGX_HASH_LARGE) != NGX_OK) {
goto failed;
}
cscfp = addr->servers.elts;
for (s = 0; s < addr->servers.nelts; s++) {
name = cscfp[s]->server_names.elts;
for (n = 0; n < cscfp[s]->server_names.nelts; n++) {
#if (NGX_PCRE)
if (name[n].regex) {
regex++;
continue;
}
#endif
rc = ngx_hash_add_key(&ha, &name[n].name, name[n].server,
NGX_HASH_WILDCARD_KEY);
if (rc == NGX_ERROR) {
goto failed;
}
if (rc == NGX_DECLINED) {
ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
"invalid server name or wildcard \"%V\" on %V",
&name[n].name, &addr->opt.addr_text);
goto failed;
}
if (rc == NGX_BUSY) {
ngx_log_error(NGX_LOG_WARN, cf->log, 0,
"conflicting server name \"%V\" on %V, ignored",
&name[n].name, &addr->opt.addr_text);
}
}
}
hash.key = ngx_hash_key_lc;
hash.max_size = cmcf->server_names_hash_max_size;
hash.bucket_size = cmcf->server_names_hash_bucket_size;
hash.name = "server_names_hash";
hash.pool = cf->pool;
if (ha.keys.nelts) {
hash.hash = &addr->hash;
hash.temp_pool = NULL;
if (ngx_hash_init(&hash, ha.keys.elts, ha.keys.nelts) != NGX_OK) {
goto failed;
}
}
if (ha.dns_wc_head.nelts) {
ngx_qsort(ha.dns_wc_head.elts, (size_t) ha.dns_wc_head.nelts,
sizeof(ngx_hash_key_t), ngx_http_cmp_dns_wildcards);
hash.hash = NULL;
hash.temp_pool = ha.temp_pool;
if (ngx_hash_wildcard_init(&hash, ha.dns_wc_head.elts,
ha.dns_wc_head.nelts)
!= NGX_OK)
{
goto failed;
}
addr->wc_head = (ngx_hash_wildcard_t *) hash.hash;
}
if (ha.dns_wc_tail.nelts) {
ngx_qsort(ha.dns_wc_tail.elts, (size_t) ha.dns_wc_tail.nelts,
sizeof(ngx_hash_key_t), ngx_http_cmp_dns_wildcards);
hash.hash = NULL;
hash.temp_pool = ha.temp_pool;
if (ngx_hash_wildcard_init(&hash, ha.dns_wc_tail.elts,
ha.dns_wc_tail.nelts)
!= NGX_OK)
{
goto failed;
}
addr->wc_tail = (ngx_hash_wildcard_t *) hash.hash;
}
ngx_destroy_pool(ha.temp_pool);
#if (NGX_PCRE)
if (regex == 0) {
return NGX_OK;
}
addr->nregex = regex;
addr->regex = ngx_palloc(cf->pool, regex * sizeof(ngx_http_server_name_t));
if (addr->regex == NULL) {
return NGX_ERROR;
}
i = 0;
for (s = 0; s < addr->servers.nelts; s++) {
name = cscfp[s]->server_names.elts;
for (n = 0; n < cscfp[s]->server_names.nelts; n++) {
if (name[n].regex) {
addr->regex[i++] = name[n];
}
}
}
#endif
return NGX_OK;
failed:
ngx_destroy_pool(ha.temp_pool);
return NGX_ERROR;
}
static ngx_int_t
ngx_http_cmp_conf_addrs(const void *one, const void *two)
{
ngx_http_conf_addr_t *first, *second;
first = (ngx_http_conf_addr_t *) one;
second = (ngx_http_conf_addr_t *) two;
if (first->opt.wildcard) {
/* a wildcard address must be the last resort, shift it to the end */
return 1;
}
if (second->opt.wildcard) {
/* a wildcard address must be the last resort, shift it to the end */
return -1;
}
if (first->opt.bind && !second->opt.bind) {
/* shift explicit bind()ed addresses to the start */
return -1;
}
if (!first->opt.bind && second->opt.bind) {
/* shift explicit bind()ed addresses to the start */
return 1;
}
/* do not sort by default */
return 0;
}
static int ngx_libc_cdecl
ngx_http_cmp_dns_wildcards(const void *one, const void *two)
{
ngx_hash_key_t *first, *second;
first = (ngx_hash_key_t *) one;
second = (ngx_hash_key_t *) two;
return ngx_dns_strcmp(first->key.data, second->key.data);
}
static ngx_int_t
ngx_http_init_listening(ngx_conf_t *cf, ngx_http_conf_port_t *port)
{
ngx_uint_t i, last, bind_wildcard;
ngx_listening_t *ls;
ngx_http_port_t *hport;
ngx_http_conf_addr_t *addr;
addr = port->addrs.elts;
last = port->addrs.nelts;
/*
* If there is a binding to an "*:port" then we need to bind() to
* the "*:port" only and ignore other implicit bindings. The bindings
* have been already sorted: explicit bindings are on the start, then
* implicit bindings go, and wildcard binding is in the end.
*/
if (addr[last - 1].opt.wildcard) {
addr[last - 1].opt.bind = 1;
bind_wildcard = 1;
} else {
bind_wildcard = 0;
}
i = 0;
while (i < last) {
if (bind_wildcard && !addr[i].opt.bind) {
i++;
continue;
}
ls = ngx_http_add_listening(cf, &addr[i]);
if (ls == NULL) {
return NGX_ERROR;
}
hport = ngx_pcalloc(cf->pool, sizeof(ngx_http_port_t));
if (hport == NULL) {
return NGX_ERROR;
}
ls->servers = hport;
hport->naddrs = i + 1;
switch (ls->sockaddr->sa_family) {
#if (NGX_HAVE_INET6)
case AF_INET6:
if (ngx_http_add_addrs6(cf, hport, addr) != NGX_OK) {
return NGX_ERROR;
}
break;
#endif
default: /* AF_INET */
if (ngx_http_add_addrs(cf, hport, addr) != NGX_OK) {
return NGX_ERROR;
}
break;
}
addr++;
last--;
}
return NGX_OK;
}
static ngx_listening_t *
ngx_http_add_listening(ngx_conf_t *cf, ngx_http_conf_addr_t *addr)
{
ngx_listening_t *ls;
ngx_http_core_loc_conf_t *clcf;
ngx_http_core_srv_conf_t *cscf;
ls = ngx_create_listening(cf, addr->opt.sockaddr, addr->opt.socklen);
if (ls == NULL) {
return NULL;
}
ls->addr_ntop = 1;
ls->handler = ngx_http_init_connection;
cscf = addr->default_server;
ls->pool_size = cscf->connection_pool_size;
clcf = cscf->ctx->loc_conf[ngx_http_core_module.ctx_index];
ls->logp = clcf->error_log;
ls->log.data = &ls->addr_text;
ls->log.handler = ngx_accept_log_error;
#if (NGX_WIN32)
{
ngx_iocp_conf_t *iocpcf = NULL;
if (ngx_get_conf(cf->cycle->conf_ctx, ngx_events_module)) {
iocpcf = ngx_event_get_conf(cf->cycle->conf_ctx, ngx_iocp_module);
}
if (iocpcf && iocpcf->acceptex_read) {
ls->post_accept_buffer_size = cscf->client_header_buffer_size;
}
}
#endif
ls->backlog = addr->opt.backlog;
ls->rcvbuf = addr->opt.rcvbuf;
ls->sndbuf = addr->opt.sndbuf;
ls->keepalive = addr->opt.so_keepalive;
#if (NGX_HAVE_KEEPALIVE_TUNABLE)
ls->keepidle = addr->opt.tcp_keepidle;
ls->keepintvl = addr->opt.tcp_keepintvl;
ls->keepcnt = addr->opt.tcp_keepcnt;
#endif
#if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
ls->accept_filter = addr->opt.accept_filter;
#endif
#if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
ls->deferred_accept = addr->opt.deferred_accept;
#endif
#if (NGX_HAVE_INET6)
ls->ipv6only = addr->opt.ipv6only;
#endif
#if (NGX_HAVE_SETFIB)
ls->setfib = addr->opt.setfib;
#endif
#if (NGX_HAVE_TCP_FASTOPEN)
ls->fastopen = addr->opt.fastopen;
#endif
#if (NGX_HAVE_REUSEPORT)
ls->reuseport = addr->opt.reuseport;
#endif
return ls;
}
static ngx_int_t
ngx_http_add_addrs(ngx_conf_t *cf, ngx_http_port_t *hport,
ngx_http_conf_addr_t *addr)
{
ngx_uint_t i;
ngx_http_in_addr_t *addrs;
struct sockaddr_in *sin;
ngx_http_virtual_names_t *vn;
hport->addrs = ngx_pcalloc(cf->pool,
hport->naddrs * sizeof(ngx_http_in_addr_t));
if (hport->addrs == NULL) {
return NGX_ERROR;
}
addrs = hport->addrs;
for (i = 0; i < hport->naddrs; i++) {
sin = (struct sockaddr_in *) addr[i].opt.sockaddr;
addrs[i].addr = sin->sin_addr.s_addr;
addrs[i].conf.default_server = addr[i].default_server;
#if (NGX_HTTP_SSL)
addrs[i].conf.ssl = addr[i].opt.ssl;
#endif
#if (NGX_HTTP_V2)
addrs[i].conf.http2 = addr[i].opt.http2;
#endif
addrs[i].conf.proxy_protocol = addr[i].opt.proxy_protocol;
if (addr[i].hash.buckets == NULL
&& (addr[i].wc_head == NULL
|| addr[i].wc_head->hash.buckets == NULL)
&& (addr[i].wc_tail == NULL
|| addr[i].wc_tail->hash.buckets == NULL)
#if (NGX_PCRE)
&& addr[i].nregex == 0
#endif
)
{
continue;
}
vn = ngx_palloc(cf->pool, sizeof(ngx_http_virtual_names_t));
if (vn == NULL) {
return NGX_ERROR;
}
addrs[i].conf.virtual_names = vn;
vn->names.hash = addr[i].hash;
vn->names.wc_head = addr[i].wc_head;
vn->names.wc_tail = addr[i].wc_tail;
#if (NGX_PCRE)
vn->nregex = addr[i].nregex;
vn->regex = addr[i].regex;
#endif
}
return NGX_OK;
}
#if (NGX_HAVE_INET6)
static ngx_int_t
ngx_http_add_addrs6(ngx_conf_t *cf, ngx_http_port_t *hport,
ngx_http_conf_addr_t *addr)
{
ngx_uint_t i;
ngx_http_in6_addr_t *addrs6;
struct sockaddr_in6 *sin6;
ngx_http_virtual_names_t *vn;
hport->addrs = ngx_pcalloc(cf->pool,
hport->naddrs * sizeof(ngx_http_in6_addr_t));
if (hport->addrs == NULL) {
return NGX_ERROR;
}
addrs6 = hport->addrs;
for (i = 0; i < hport->naddrs; i++) {
sin6 = (struct sockaddr_in6 *) addr[i].opt.sockaddr;
addrs6[i].addr6 = sin6->sin6_addr;
addrs6[i].conf.default_server = addr[i].default_server;
#if (NGX_HTTP_SSL)
addrs6[i].conf.ssl = addr[i].opt.ssl;
#endif
#if (NGX_HTTP_V2)
addrs6[i].conf.http2 = addr[i].opt.http2;
#endif
addrs6[i].conf.proxy_protocol = addr[i].opt.proxy_protocol;
if (addr[i].hash.buckets == NULL
&& (addr[i].wc_head == NULL
|| addr[i].wc_head->hash.buckets == NULL)
&& (addr[i].wc_tail == NULL
|| addr[i].wc_tail->hash.buckets == NULL)
#if (NGX_PCRE)
&& addr[i].nregex == 0
#endif
)
{
continue;
}
vn = ngx_palloc(cf->pool, sizeof(ngx_http_virtual_names_t));
if (vn == NULL) {
return NGX_ERROR;
}
addrs6[i].conf.virtual_names = vn;
vn->names.hash = addr[i].hash;
vn->names.wc_head = addr[i].wc_head;
vn->names.wc_tail = addr[i].wc_tail;
#if (NGX_PCRE)
vn->nregex = addr[i].nregex;
vn->regex = addr[i].regex;
#endif
}
return NGX_OK;
}
#endif
char *
ngx_http_types_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
char *p = conf;
ngx_array_t **types;
ngx_str_t *value, *default_type;
ngx_uint_t i, n, hash;
ngx_hash_key_t *type;
types = (ngx_array_t **) (p + cmd->offset);
if (*types == (void *) -1) {
return NGX_CONF_OK;
}
default_type = cmd->post;
if (*types == NULL) {
*types = ngx_array_create(cf->temp_pool, 1, sizeof(ngx_hash_key_t));
if (*types == NULL) {
return NGX_CONF_ERROR;
}
if (default_type) {
type = ngx_array_push(*types);
if (type == NULL) {
return NGX_CONF_ERROR;
}
type->key = *default_type;
type->key_hash = ngx_hash_key(default_type->data,
default_type->len);
type->value = (void *) 4;
}
}
value = cf->args->elts;
for (i = 1; i < cf->args->nelts; i++) {
if (value[i].len == 1 && value[i].data[0] == '*') {
*types = (void *) -1;
return NGX_CONF_OK;
}
hash = ngx_hash_strlow(value[i].data, value[i].data, value[i].len);
value[i].data[value[i].len] = '\0';
type = (*types)->elts;
for (n = 0; n < (*types)->nelts; n++) {
if (ngx_strcmp(value[i].data, type[n].key.data) == 0) {
ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
"duplicate MIME type \"%V\"", &value[i]);
goto next;
}
}
type = ngx_array_push(*types);
if (type == NULL) {
return NGX_CONF_ERROR;
}
type->key = value[i];
type->key_hash = hash;
type->value = (void *) 4;
next:
continue;
}
return NGX_CONF_OK;
}
char *
ngx_http_merge_types(ngx_conf_t *cf, ngx_array_t **keys, ngx_hash_t *types_hash,
ngx_array_t **prev_keys, ngx_hash_t *prev_types_hash,
ngx_str_t *default_types)
{
ngx_hash_init_t hash;
if (*keys) {
if (*keys == (void *) -1) {
return NGX_CONF_OK;
}
hash.hash = types_hash;
hash.key = NULL;
hash.max_size = 2048;
hash.bucket_size = 64;
hash.name = "test_types_hash";
hash.pool = cf->pool;
hash.temp_pool = NULL;
if (ngx_hash_init(&hash, (*keys)->elts, (*keys)->nelts) != NGX_OK) {
return NGX_CONF_ERROR;
}
return NGX_CONF_OK;
}
if (prev_types_hash->buckets == NULL) {
if (*prev_keys == NULL) {
if (ngx_http_set_default_types(cf, prev_keys, default_types)
!= NGX_OK)
{
return NGX_CONF_ERROR;
}
} else if (*prev_keys == (void *) -1) {
*keys = *prev_keys;
return NGX_CONF_OK;
}
hash.hash = prev_types_hash;
hash.key = NULL;
hash.max_size = 2048;
hash.bucket_size = 64;
hash.name = "test_types_hash";
hash.pool = cf->pool;
hash.temp_pool = NULL;
if (ngx_hash_init(&hash, (*prev_keys)->elts, (*prev_keys)->nelts)
!= NGX_OK)
{
return NGX_CONF_ERROR;
}
}
*types_hash = *prev_types_hash;
return NGX_CONF_OK;
}
ngx_int_t
ngx_http_set_default_types(ngx_conf_t *cf, ngx_array_t **types,
ngx_str_t *default_type)
{
ngx_hash_key_t *type;
*types = ngx_array_create(cf->temp_pool, 1, sizeof(ngx_hash_key_t));
if (*types == NULL) {
return NGX_ERROR;
}
while (default_type->len) {
type = ngx_array_push(*types);
if (type == NULL) {
return NGX_ERROR;
}
type->key = *default_type;
type->key_hash = ngx_hash_key(default_type->data,
default_type->len);
type->value = (void *) 4;
default_type++;
}
return NGX_OK;
}