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Diffstat (limited to 'nginx/src/http/modules/ngx_http_try_files_module.c')
-rw-r--r--nginx/src/http/modules/ngx_http_try_files_module.c404
1 files changed, 0 insertions, 404 deletions
diff --git a/nginx/src/http/modules/ngx_http_try_files_module.c b/nginx/src/http/modules/ngx_http_try_files_module.c
deleted file mode 100644
index ce783a2..0000000
--- a/nginx/src/http/modules/ngx_http_try_files_module.c
+++ /dev/null
@@ -1,404 +0,0 @@
-
-/*
- * Copyright (C) Igor Sysoev
- * Copyright (C) Nginx, Inc.
- */
-
-
-#include <ngx_config.h>
-#include <ngx_core.h>
-#include <ngx_http.h>
-
-
-typedef struct {
- ngx_array_t *lengths;
- ngx_array_t *values;
- ngx_str_t name;
-
- unsigned code:10;
- unsigned test_dir:1;
-} ngx_http_try_file_t;
-
-
-typedef struct {
- ngx_http_try_file_t *try_files;
-} ngx_http_try_files_loc_conf_t;
-
-
-static ngx_int_t ngx_http_try_files_handler(ngx_http_request_t *r);
-static char *ngx_http_try_files(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
-static void *ngx_http_try_files_create_loc_conf(ngx_conf_t *cf);
-static ngx_int_t ngx_http_try_files_init(ngx_conf_t *cf);
-
-
-static ngx_command_t ngx_http_try_files_commands[] = {
-
- { ngx_string("try_files"),
- NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE,
- ngx_http_try_files,
- NGX_HTTP_LOC_CONF_OFFSET,
- 0,
- NULL },
-
- ngx_null_command
-};
-
-
-static ngx_http_module_t ngx_http_try_files_module_ctx = {
- NULL, /* preconfiguration */
- ngx_http_try_files_init, /* postconfiguration */
-
- NULL, /* create main configuration */
- NULL, /* init main configuration */
-
- NULL, /* create server configuration */
- NULL, /* merge server configuration */
-
- ngx_http_try_files_create_loc_conf, /* create location configuration */
- NULL /* merge location configuration */
-};
-
-
-ngx_module_t ngx_http_try_files_module = {
- NGX_MODULE_V1,
- &ngx_http_try_files_module_ctx, /* module context */
- ngx_http_try_files_commands, /* module directives */
- NGX_HTTP_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 ngx_int_t
-ngx_http_try_files_handler(ngx_http_request_t *r)
-{
- size_t len, root, alias, reserve, allocated;
- u_char *p, *name;
- ngx_str_t path, args;
- ngx_uint_t test_dir;
- ngx_http_try_file_t *tf;
- ngx_open_file_info_t of;
- ngx_http_script_code_pt code;
- ngx_http_script_engine_t e;
- ngx_http_core_loc_conf_t *clcf;
- ngx_http_script_len_code_pt lcode;
- ngx_http_try_files_loc_conf_t *tlcf;
-
- tlcf = ngx_http_get_module_loc_conf(r, ngx_http_try_files_module);
-
- if (tlcf->try_files == NULL) {
- return NGX_DECLINED;
- }
-
- ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
- "try files handler");
-
- allocated = 0;
- root = 0;
- name = NULL;
- /* suppress MSVC warning */
- path.data = NULL;
-
- tf = tlcf->try_files;
-
- clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
-
- alias = clcf->alias;
-
- for ( ;; ) {
-
- if (tf->lengths) {
- ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
-
- e.ip = tf->lengths->elts;
- e.request = r;
-
- /* 1 is for terminating '\0' as in static names */
- len = 1;
-
- while (*(uintptr_t *) e.ip) {
- lcode = *(ngx_http_script_len_code_pt *) e.ip;
- len += lcode(&e);
- }
-
- } else {
- len = tf->name.len;
- }
-
- if (!alias) {
- reserve = len > r->uri.len ? len - r->uri.len : 0;
-
- } else if (alias == NGX_MAX_SIZE_T_VALUE) {
- reserve = len;
-
- } else {
- reserve = len > r->uri.len - alias ? len - (r->uri.len - alias) : 0;
- }
-
- if (reserve > allocated || !allocated) {
-
- /* 16 bytes are preallocation */
- allocated = reserve + 16;
-
- if (ngx_http_map_uri_to_path(r, &path, &root, allocated) == NULL) {
- return NGX_HTTP_INTERNAL_SERVER_ERROR;
- }
-
- name = path.data + root;
- }
-
- if (tf->values == NULL) {
-
- /* tf->name.len includes the terminating '\0' */
-
- ngx_memcpy(name, tf->name.data, tf->name.len);
-
- path.len = (name + tf->name.len - 1) - path.data;
-
- } else {
- e.ip = tf->values->elts;
- e.pos = name;
- e.flushed = 1;
-
- while (*(uintptr_t *) e.ip) {
- code = *(ngx_http_script_code_pt *) e.ip;
- code((ngx_http_script_engine_t *) &e);
- }
-
- path.len = e.pos - path.data;
-
- *e.pos = '\0';
-
- if (alias && alias != NGX_MAX_SIZE_T_VALUE
- && ngx_strncmp(name, r->uri.data, alias) == 0)
- {
- ngx_memmove(name, name + alias, len - alias);
- path.len -= alias;
- }
- }
-
- test_dir = tf->test_dir;
-
- tf++;
-
- ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
- "trying to use %s: \"%s\" \"%s\"",
- test_dir ? "dir" : "file", name, path.data);
-
- if (tf->lengths == NULL && tf->name.len == 0) {
-
- if (tf->code) {
- return tf->code;
- }
-
- path.len -= root;
- path.data += root;
-
- if (path.data[0] == '@') {
- (void) ngx_http_named_location(r, &path);
-
- } else {
- ngx_http_split_args(r, &path, &args);
-
- (void) ngx_http_internal_redirect(r, &path, &args);
- }
-
- ngx_http_finalize_request(r, NGX_DONE);
- return NGX_DONE;
- }
-
- ngx_memzero(&of, sizeof(ngx_open_file_info_t));
-
- of.read_ahead = clcf->read_ahead;
- of.directio = clcf->directio;
- of.valid = clcf->open_file_cache_valid;
- of.min_uses = clcf->open_file_cache_min_uses;
- of.test_only = 1;
- of.errors = clcf->open_file_cache_errors;
- of.events = clcf->open_file_cache_events;
-
- if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) {
- return NGX_HTTP_INTERNAL_SERVER_ERROR;
- }
-
- if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool)
- != NGX_OK)
- {
- if (of.err == 0) {
- return NGX_HTTP_INTERNAL_SERVER_ERROR;
- }
-
- if (of.err != NGX_ENOENT
- && of.err != NGX_ENOTDIR
- && of.err != NGX_ENAMETOOLONG)
- {
- ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err,
- "%s \"%s\" failed", of.failed, path.data);
- }
-
- continue;
- }
-
- if (of.is_dir != test_dir) {
- continue;
- }
-
- path.len -= root;
- path.data += root;
-
- if (!alias) {
- r->uri = path;
-
- } else if (alias == NGX_MAX_SIZE_T_VALUE) {
- if (!test_dir) {
- r->uri = path;
- r->add_uri_to_alias = 1;
- }
-
- } else {
- name = r->uri.data;
-
- r->uri.len = alias + path.len;
- r->uri.data = ngx_pnalloc(r->pool, r->uri.len);
- if (r->uri.data == NULL) {
- r->uri.len = 0;
- return NGX_HTTP_INTERNAL_SERVER_ERROR;
- }
-
- p = ngx_copy(r->uri.data, name, alias);
- ngx_memcpy(p, path.data, path.len);
- }
-
- ngx_http_set_exten(r);
-
- ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
- "try file uri: \"%V\"", &r->uri);
-
- return NGX_DECLINED;
- }
-
- /* not reached */
-}
-
-
-static char *
-ngx_http_try_files(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
-{
- ngx_http_try_files_loc_conf_t *tlcf = conf;
-
- ngx_str_t *value;
- ngx_int_t code;
- ngx_uint_t i, n;
- ngx_http_try_file_t *tf;
- ngx_http_script_compile_t sc;
-
- if (tlcf->try_files) {
- return "is duplicate";
- }
-
- tf = ngx_pcalloc(cf->pool, cf->args->nelts * sizeof(ngx_http_try_file_t));
- if (tf == NULL) {
- return NGX_CONF_ERROR;
- }
-
- tlcf->try_files = tf;
-
- value = cf->args->elts;
-
- for (i = 0; i < cf->args->nelts - 1; i++) {
-
- tf[i].name = value[i + 1];
-
- if (tf[i].name.len > 0
- && tf[i].name.data[tf[i].name.len - 1] == '/'
- && i + 2 < cf->args->nelts)
- {
- tf[i].test_dir = 1;
- tf[i].name.len--;
- tf[i].name.data[tf[i].name.len] = '\0';
- }
-
- n = ngx_http_script_variables_count(&tf[i].name);
-
- if (n) {
- ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
-
- sc.cf = cf;
- sc.source = &tf[i].name;
- sc.lengths = &tf[i].lengths;
- sc.values = &tf[i].values;
- sc.variables = n;
- sc.complete_lengths = 1;
- sc.complete_values = 1;
-
- if (ngx_http_script_compile(&sc) != NGX_OK) {
- return NGX_CONF_ERROR;
- }
-
- } else {
- /* add trailing '\0' to length */
- tf[i].name.len++;
- }
- }
-
- if (tf[i - 1].name.data[0] == '=') {
-
- code = ngx_atoi(tf[i - 1].name.data + 1, tf[i - 1].name.len - 2);
-
- if (code == NGX_ERROR || code > 999) {
- ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
- "invalid code \"%*s\"",
- tf[i - 1].name.len - 1, tf[i - 1].name.data);
- return NGX_CONF_ERROR;
- }
-
- tf[i].code = code;
- }
-
- return NGX_CONF_OK;
-}
-
-
-static void *
-ngx_http_try_files_create_loc_conf(ngx_conf_t *cf)
-{
- ngx_http_try_files_loc_conf_t *tlcf;
-
- tlcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_try_files_loc_conf_t));
- if (tlcf == NULL) {
- return NULL;
- }
-
- /*
- * set by ngx_pcalloc():
- *
- * tlcf->try_files = NULL;
- */
-
- return tlcf;
-}
-
-
-static ngx_int_t
-ngx_http_try_files_init(ngx_conf_t *cf)
-{
- ngx_http_handler_pt *h;
- ngx_http_core_main_conf_t *cmcf;
-
- cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
-
- h = ngx_array_push(&cmcf->phases[NGX_HTTP_PRECONTENT_PHASE].handlers);
- if (h == NULL) {
- return NGX_ERROR;
- }
-
- *h = ngx_http_try_files_handler;
-
- return NGX_OK;
-}