mirror of
https://github.com/nginx/nginx.git
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132 lines
3.7 KiB
C
132 lines
3.7 KiB
C
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#include <ngx_config.h>
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#include <ngx_core.h>
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#include <ngx_errno.h>
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#include <ngx_string.h>
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#include <ngx_files.h>
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#include <ngx_config_command.h>
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#include <ngx_http.h>
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#include <ngx_http_config.h>
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#include <ngx_http_index_handler.h>
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static void *ngx_http_index_create_conf(ngx_pool_t *pool);
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static char *ngx_http_index_set_index(ngx_pool_t *p, void *conf, char *value);
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static ngx_command_t ngx_http_index_commands[];
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ngx_http_module_t ngx_http_index_module = {
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NGX_HTTP_MODULE,
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NULL, /* create server config */
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ngx_http_index_create_conf, /* create location config */
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ngx_http_index_commands, /* module directives */
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NULL, /* init module */
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NULL, /* init output body filter */
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};
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static ngx_command_t ngx_http_index_commands[] = {
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{"index", ngx_http_index_set_index, NULL,
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NGX_HTTP_LOC_CONF, NGX_CONF_ITERATE,
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"set index files"},
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{NULL}
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};
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int ngx_http_index_handler(ngx_http_request_t *r)
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{
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int index_len, i;
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char *name, *loc, *file;
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ngx_err_t err;
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ngx_fd_t fd;
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ngx_http_index_file_t *index;
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ngx_http_index_conf_t *cf;
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cf = (ngx_http_index_conf_t *)
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ngx_get_module_loc_conf(r, ngx_http_index_module);
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index_len = (*(r->uri_end - 1) == '/') ? cf->max_index_len : 0;
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ngx_test_null(name,
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ngx_palloc(r->pool, r->uri_end - r->uri_start + index_len
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+ r->server->doc_root_len),
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NGX_HTTP_INTERNAL_SERVER_ERROR);
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loc = ngx_cpystrn(name, r->server->doc_root, r->server->doc_root_len);
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file = ngx_cpystrn(loc, r->uri_start, r->uri_end - r->uri_start + 1);
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index = (ngx_http_index_file_t *) cf->indices->elts;
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for (i = 0; i < cf->indices->nelts; i++) {
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ngx_memcpy(file, index[i].name, index[i].len);
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fd = ngx_open_file(name, NGX_FILE_RDONLY);
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if (fd == -1) {
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err = ngx_errno;
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if (err == NGX_ENOENT)
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continue;
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ngx_log_error(NGX_LOG_ERR, r->connection->log, err,
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ngx_open_file_n " %s failed", name);
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return NGX_HTTP_INTERNAL_SERVER_ERROR;
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}
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r->filename = name;
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r->fd = fd;
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return ngx_http_internal_redirect(r, loc);
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}
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return NGX_DECLINED;
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}
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static void *ngx_http_index_create_conf(ngx_pool_t *pool)
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{
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ngx_http_index_conf_t *conf;
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ngx_test_null(conf, ngx_pcalloc(pool, sizeof(ngx_http_index_conf_t)), NULL);
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ngx_test_null(conf->indices,
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ngx_create_array(pool, sizeof(ngx_http_index_file_t), 3),
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NULL);
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return conf;
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}
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static void *ngx_http_index_merge_conf(ngx_pool_t *p, void *parent, void *child)
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{
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ngx_http_index_conf_t *prev = (ngx_http_index_conf_t *) parent;
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ngx_http_index_conf_t *conf = (ngx_http_index_conf_t *) child;
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ngx_http_index_file_t *index;
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if (conf->max_index_len == 0) {
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if (prev->max_index_len != 0)
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return prev;
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ngx_test_null(index, ngx_push_array(conf->indices), NULL);
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index->name = NGX_HTTP_INDEX;
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conf->max_index_len = index->len = sizeof(NGX_HTTP_INDEX);
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}
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return conf;
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}
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static char *ngx_http_index_set_index(ngx_pool_t *p, void *conf, char *value)
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{
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ngx_http_index_conf_t *cf = (ngx_http_index_conf_t *) conf;
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ngx_http_index_file_t *index;
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ngx_test_null(index, ngx_push_array(cf->indices), NULL);
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index->name = value;
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index->len = strlen(value);
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if (cf->max_index_len < index->len)
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cf->max_index_len = index->len;
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return NULL;
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}
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