Mercurial > hg > nginx
view src/http/modules/ngx_http_index_handler.c @ 45:f1ee46c036a4
nginx-0.0.1-2003-01-10-09:09:20 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 10 Jan 2003 06:09:20 +0000 |
parents | 0e81ac0bb3e2 |
children | f84a648211f4 |
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#include <ngx_config.h> #include <ngx_core.h> #include <ngx_errno.h> #include <ngx_string.h> #include <ngx_files.h> #include <ngx_conf_file.h> #include <ngx_http.h> #include <ngx_http_config.h> #include <ngx_http_core_module.h> #include <ngx_http_index_handler.h> static int ngx_http_index_init(ngx_pool_t *pool); static void *ngx_http_index_create_conf(ngx_pool_t *pool); static char *ngx_http_index_merge_conf(ngx_pool_t *p, void *parent, void *child); static char *ngx_http_index_set_index(ngx_conf_t *cf, ngx_command_t *cmd, char *conf); static ngx_command_t ngx_http_index_commands[] = { {ngx_string("index"), NGX_CONF_ANY, ngx_http_index_set_index, NGX_HTTP_LOC_CONF, 0}, {ngx_string(""), 0, NULL, 0, 0} }; ngx_http_module_t ngx_http_index_module_ctx = { NGX_HTTP_MODULE, NULL, /* create server config */ NULL, /* init server config */ ngx_http_index_create_conf, /* create location config */ ngx_http_index_merge_conf, /* merge location config */ NULL, /* translate handler */ NULL, /* output header filter */ NULL, /* next output header filter */ NULL, /* output body filter */ NULL, /* next output body filter */ }; ngx_module_t ngx_http_index_module = { 0, /* module index */ &ngx_http_index_module_ctx, /* module context */ ngx_http_index_commands, /* module directives */ NGX_HTTP_MODULE_TYPE, /* module type */ ngx_http_index_init /* init module */ }; int ngx_http_index_handler(ngx_http_request_t *r) { int i, len; char *name, *file; ngx_str_t loc, *index; ngx_err_t err; ngx_fd_t fd; ngx_http_index_conf_t *cf; ngx_http_core_loc_conf_t *core_cf; cf = (ngx_http_index_conf_t *) ngx_http_get_module_loc_conf(r, ngx_http_index_module_ctx); core_cf = (ngx_http_core_loc_conf_t *) ngx_http_get_module_loc_conf(r, ngx_http_core_module_ctx); ngx_test_null(r->path.data, ngx_palloc(r->pool, core_cf->doc_root.len + r->uri.len + cf->max_index_len), NGX_HTTP_INTERNAL_SERVER_ERROR); loc.data = ngx_cpystrn(r->path.data, core_cf->doc_root.data, core_cf->doc_root.len + 1); file = ngx_cpystrn(loc.data, r->uri.data, r->uri.len + 1); r->path.len = file - r->path.data; index = (ngx_str_t *) cf->indices->elts; for (i = 0; i < cf->indices->nelts; i++) { if (index[i].data[0] != '/') { if (!r->path_not_found) { continue; } ngx_memcpy(file, index[i].data, index[i].len + 1); name = r->path.data; } else { name = index[i].data; } fd = ngx_open_file(name, NGX_FILE_RDONLY); if (fd == NGX_INVALID_FILE) { err = ngx_errno; if (err == NGX_ENOENT) { continue; } #if (WIN32) if (err == ERROR_PATH_NOT_FOUND) { r->path_not_found = 1; continue; } #else if (err == NGX_ENOTDIR) { r->path_not_found = 1; continue; } #endif ngx_log_error(NGX_LOG_ERR, r->connection->log, err, ngx_open_file_n " %s failed", name); return NGX_HTTP_INTERNAL_SERVER_ERROR; } r->file.name.data = name; r->file.fd = fd; if (index[i].data[0] == '/') { r->file.name.len = index[i].len; loc.len = index[i].len; loc.data = index[i].data; } else { loc.len = r->uri.len + index[i].len; r->file.name.len = core_cf->doc_root.len + r->uri.len + index[i].len; } return ngx_http_internal_redirect(r, loc); } return NGX_DECLINED; } static int ngx_http_index_init(ngx_pool_t *pool) { ngx_http_handler_pt *h; ngx_test_null(h, ngx_push_array(&ngx_http_index_handlers), NGX_ERROR); *h = ngx_http_index_handler; return NGX_OK; } static void *ngx_http_index_create_conf(ngx_pool_t *pool) { ngx_http_index_conf_t *conf; ngx_test_null(conf, ngx_pcalloc(pool, sizeof(ngx_http_index_conf_t)), NGX_CONF_ERROR); ngx_test_null(conf->indices, ngx_create_array(pool, sizeof(ngx_str_t), 3), NGX_CONF_ERROR); return conf; } static char *ngx_http_index_merge_conf(ngx_pool_t *p, void *parent, void *child) { ngx_http_index_conf_t *prev = (ngx_http_index_conf_t *) parent; ngx_http_index_conf_t *conf = (ngx_http_index_conf_t *) child; ngx_str_t *index; ngx_test_null(index, ngx_push_array(conf->indices), NGX_CONF_ERROR); index->len = sizeof(NGX_HTTP_INDEX) - 1; index->data = NGX_HTTP_INDEX; conf->max_index_len = sizeof(NGX_HTTP_INDEX); return NULL; } #if 0 static char *ngx_http_index_merge_conf(ngx_pool_t *p, void *parent, void *child) { ngx_http_index_conf_t *prev = (ngx_http_index_conf_t *) parent; ngx_http_index_conf_t *conf = (ngx_http_index_conf_t *) child; ngx_str_t *index; if (conf->max_index_len == 0) { if (prev->max_index_len != 0) { return prev; } ngx_test_null(index, ngx_push_array(conf->indices), NULL); index->len = sizeof(NGX_HTTP_INDEX) - 1; index->data = NGX_HTTP_INDEX; conf->max_index_len = sizeof(NGX_HTTP_INDEX); } return conf; } #endif static char *ngx_http_index_set_index(ngx_conf_t *cf, ngx_command_t *cmd, char *conf) { ngx_http_index_conf_t *icf = (ngx_http_index_conf_t *) conf; int i; ngx_str_t *index, *value; value = (ngx_str_t *) cf->args->elts; for (i = 1; i < cf->args->nelts; i++) { ngx_test_null(index, ngx_push_array(icf->indices), NULL); index->len = value[i].len; index->data = value[i].data; if (icf->max_index_len < index->len) { icf->max_index_len = index->len; } } return NULL; }