Permalink
Cannot retrieve contributors at this time
Join GitHub today
GitHub is home to over 28 million developers working together to host and review code, manage projects, and build software together.
Sign up
Fetching contributors…
Cannot retrieve contributors at this time
| /* | |
| * Copyright (C) Igor Sysoev | |
| * Copyright (C) Nginx, Inc. | |
| */ | |
| #include <ngx_config.h> | |
| #include <ngx_core.h> | |
| #include <ngx_http.h> | |
| #if 0 | |
| typedef struct { | |
| ngx_buf_t *buf; | |
| size_t size; | |
| ngx_pool_t *pool; | |
| size_t alloc_size; | |
| ngx_chain_t **last_out; | |
| } ngx_http_autoindex_ctx_t; | |
| #endif | |
| typedef struct { | |
| ngx_str_t name; | |
| size_t utf_len; | |
| size_t escape; | |
| size_t escape_html; | |
| unsigned dir:1; | |
| unsigned file:1; | |
| time_t mtime; | |
| off_t size; | |
| } ngx_http_autoindex_entry_t; | |
| typedef struct { | |
| ngx_flag_t enable; | |
| ngx_uint_t format; | |
| ngx_flag_t localtime; | |
| ngx_flag_t exact_size; | |
| } ngx_http_autoindex_loc_conf_t; | |
| #define NGX_HTTP_AUTOINDEX_HTML 0 | |
| #define NGX_HTTP_AUTOINDEX_JSON 1 | |
| #define NGX_HTTP_AUTOINDEX_JSONP 2 | |
| #define NGX_HTTP_AUTOINDEX_XML 3 | |
| #define NGX_HTTP_AUTOINDEX_PREALLOCATE 50 | |
| #define NGX_HTTP_AUTOINDEX_NAME_LEN 50 | |
| static ngx_buf_t *ngx_http_autoindex_html(ngx_http_request_t *r, | |
| ngx_array_t *entries); | |
| static ngx_buf_t *ngx_http_autoindex_json(ngx_http_request_t *r, | |
| ngx_array_t *entries, ngx_str_t *callback); | |
| static ngx_int_t ngx_http_autoindex_jsonp_callback(ngx_http_request_t *r, | |
| ngx_str_t *callback); | |
| static ngx_buf_t *ngx_http_autoindex_xml(ngx_http_request_t *r, | |
| ngx_array_t *entries); | |
| static int ngx_libc_cdecl ngx_http_autoindex_cmp_entries(const void *one, | |
| const void *two); | |
| static ngx_int_t ngx_http_autoindex_error(ngx_http_request_t *r, | |
| ngx_dir_t *dir, ngx_str_t *name); | |
| static ngx_int_t ngx_http_autoindex_init(ngx_conf_t *cf); | |
| static void *ngx_http_autoindex_create_loc_conf(ngx_conf_t *cf); | |
| static char *ngx_http_autoindex_merge_loc_conf(ngx_conf_t *cf, | |
| void *parent, void *child); | |
| static ngx_conf_enum_t ngx_http_autoindex_format[] = { | |
| { ngx_string("html"), NGX_HTTP_AUTOINDEX_HTML }, | |
| { ngx_string("json"), NGX_HTTP_AUTOINDEX_JSON }, | |
| { ngx_string("jsonp"), NGX_HTTP_AUTOINDEX_JSONP }, | |
| { ngx_string("xml"), NGX_HTTP_AUTOINDEX_XML }, | |
| { ngx_null_string, 0 } | |
| }; | |
| static ngx_command_t ngx_http_autoindex_commands[] = { | |
| { ngx_string("autoindex"), | |
| 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_autoindex_loc_conf_t, enable), | |
| NULL }, | |
| { ngx_string("autoindex_format"), | |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| ngx_conf_set_enum_slot, | |
| NGX_HTTP_LOC_CONF_OFFSET, | |
| offsetof(ngx_http_autoindex_loc_conf_t, format), | |
| &ngx_http_autoindex_format }, | |
| { ngx_string("autoindex_localtime"), | |
| 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_autoindex_loc_conf_t, localtime), | |
| NULL }, | |
| { ngx_string("autoindex_exact_size"), | |
| 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_autoindex_loc_conf_t, exact_size), | |
| NULL }, | |
| ngx_null_command | |
| }; | |
| static ngx_http_module_t ngx_http_autoindex_module_ctx = { | |
| NULL, /* preconfiguration */ | |
| ngx_http_autoindex_init, /* postconfiguration */ | |
| NULL, /* create main configuration */ | |
| NULL, /* init main configuration */ | |
| NULL, /* create server configuration */ | |
| NULL, /* merge server configuration */ | |
| ngx_http_autoindex_create_loc_conf, /* create location configuration */ | |
| ngx_http_autoindex_merge_loc_conf /* merge location configuration */ | |
| }; | |
| ngx_module_t ngx_http_autoindex_module = { | |
| NGX_MODULE_V1, | |
| &ngx_http_autoindex_module_ctx, /* module context */ | |
| ngx_http_autoindex_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_autoindex_handler(ngx_http_request_t *r) | |
| { | |
| u_char *last, *filename; | |
| size_t len, allocated, root; | |
| ngx_err_t err; | |
| ngx_buf_t *b; | |
| ngx_int_t rc; | |
| ngx_str_t path, callback; | |
| ngx_dir_t dir; | |
| ngx_uint_t level, format; | |
| ngx_pool_t *pool; | |
| ngx_chain_t out; | |
| ngx_array_t entries; | |
| ngx_http_autoindex_entry_t *entry; | |
| ngx_http_autoindex_loc_conf_t *alcf; | |
| if (r->uri.data[r->uri.len - 1] != '/') { | |
| return NGX_DECLINED; | |
| } | |
| if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) { | |
| return NGX_DECLINED; | |
| } | |
| alcf = ngx_http_get_module_loc_conf(r, ngx_http_autoindex_module); | |
| if (!alcf->enable) { | |
| return NGX_DECLINED; | |
| } | |
| rc = ngx_http_discard_request_body(r); | |
| if (rc != NGX_OK) { | |
| return rc; | |
| } | |
| /* NGX_DIR_MASK_LEN is lesser than NGX_HTTP_AUTOINDEX_PREALLOCATE */ | |
| last = ngx_http_map_uri_to_path(r, &path, &root, | |
| NGX_HTTP_AUTOINDEX_PREALLOCATE); | |
| if (last == NULL) { | |
| return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| } | |
| allocated = path.len; | |
| path.len = last - path.data; | |
| if (path.len > 1) { | |
| path.len--; | |
| } | |
| path.data[path.len] = '\0'; | |
| ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| "http autoindex: \"%s\"", path.data); | |
| format = alcf->format; | |
| if (format == NGX_HTTP_AUTOINDEX_JSONP) { | |
| if (ngx_http_autoindex_jsonp_callback(r, &callback) != NGX_OK) { | |
| return NGX_HTTP_BAD_REQUEST; | |
| } | |
| if (callback.len == 0) { | |
| format = NGX_HTTP_AUTOINDEX_JSON; | |
| } | |
| } | |
| if (ngx_open_dir(&path, &dir) == NGX_ERROR) { | |
| err = ngx_errno; | |
| if (err == NGX_ENOENT | |
| || err == NGX_ENOTDIR | |
| || err == NGX_ENAMETOOLONG) | |
| { | |
| level = NGX_LOG_ERR; | |
| rc = NGX_HTTP_NOT_FOUND; | |
| } else if (err == NGX_EACCES) { | |
| level = NGX_LOG_ERR; | |
| rc = NGX_HTTP_FORBIDDEN; | |
| } else { | |
| level = NGX_LOG_CRIT; | |
| rc = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| } | |
| ngx_log_error(level, r->connection->log, err, | |
| ngx_open_dir_n " \"%s\" failed", path.data); | |
| return rc; | |
| } | |
| #if (NGX_SUPPRESS_WARN) | |
| /* MSVC thinks 'entries' may be used without having been initialized */ | |
| ngx_memzero(&entries, sizeof(ngx_array_t)); | |
| #endif | |
| /* TODO: pool should be temporary pool */ | |
| pool = r->pool; | |
| if (ngx_array_init(&entries, pool, 40, sizeof(ngx_http_autoindex_entry_t)) | |
| != NGX_OK) | |
| { | |
| return ngx_http_autoindex_error(r, &dir, &path); | |
| } | |
| r->headers_out.status = NGX_HTTP_OK; | |
| switch (format) { | |
| case NGX_HTTP_AUTOINDEX_JSON: | |
| ngx_str_set(&r->headers_out.content_type, "application/json"); | |
| break; | |
| case NGX_HTTP_AUTOINDEX_JSONP: | |
| ngx_str_set(&r->headers_out.content_type, "application/javascript"); | |
| break; | |
| case NGX_HTTP_AUTOINDEX_XML: | |
| ngx_str_set(&r->headers_out.content_type, "text/xml"); | |
| ngx_str_set(&r->headers_out.charset, "utf-8"); | |
| break; | |
| default: /* NGX_HTTP_AUTOINDEX_HTML */ | |
| ngx_str_set(&r->headers_out.content_type, "text/html"); | |
| break; | |
| } | |
| r->headers_out.content_type_len = r->headers_out.content_type.len; | |
| r->headers_out.content_type_lowcase = NULL; | |
| rc = ngx_http_send_header(r); | |
| if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { | |
| if (ngx_close_dir(&dir) == NGX_ERROR) { | |
| ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno, | |
| ngx_close_dir_n " \"%V\" failed", &path); | |
| } | |
| return rc; | |
| } | |
| filename = path.data; | |
| filename[path.len] = '/'; | |
| for ( ;; ) { | |
| ngx_set_errno(0); | |
| if (ngx_read_dir(&dir) == NGX_ERROR) { | |
| err = ngx_errno; | |
| if (err != NGX_ENOMOREFILES) { | |
| ngx_log_error(NGX_LOG_CRIT, r->connection->log, err, | |
| ngx_read_dir_n " \"%V\" failed", &path); | |
| return ngx_http_autoindex_error(r, &dir, &path); | |
| } | |
| break; | |
| } | |
| ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| "http autoindex file: \"%s\"", ngx_de_name(&dir)); | |
| len = ngx_de_namelen(&dir); | |
| if (ngx_de_name(&dir)[0] == '.') { | |
| continue; | |
| } | |
| if (!dir.valid_info) { | |
| /* 1 byte for '/' and 1 byte for terminating '\0' */ | |
| if (path.len + 1 + len + 1 > allocated) { | |
| allocated = path.len + 1 + len + 1 | |
| + NGX_HTTP_AUTOINDEX_PREALLOCATE; | |
| filename = ngx_pnalloc(pool, allocated); | |
| if (filename == NULL) { | |
| return ngx_http_autoindex_error(r, &dir, &path); | |
| } | |
| last = ngx_cpystrn(filename, path.data, path.len + 1); | |
| *last++ = '/'; | |
| } | |
| ngx_cpystrn(last, ngx_de_name(&dir), len + 1); | |
| if (ngx_de_info(filename, &dir) == NGX_FILE_ERROR) { | |
| err = ngx_errno; | |
| if (err != NGX_ENOENT && err != NGX_ELOOP) { | |
| ngx_log_error(NGX_LOG_CRIT, r->connection->log, err, | |
| ngx_de_info_n " \"%s\" failed", filename); | |
| if (err == NGX_EACCES) { | |
| continue; | |
| } | |
| return ngx_http_autoindex_error(r, &dir, &path); | |
| } | |
| if (ngx_de_link_info(filename, &dir) == NGX_FILE_ERROR) { | |
| ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, | |
| ngx_de_link_info_n " \"%s\" failed", | |
| filename); | |
| return ngx_http_autoindex_error(r, &dir, &path); | |
| } | |
| } | |
| } | |
| entry = ngx_array_push(&entries); | |
| if (entry == NULL) { | |
| return ngx_http_autoindex_error(r, &dir, &path); | |
| } | |
| entry->name.len = len; | |
| entry->name.data = ngx_pnalloc(pool, len + 1); | |
| if (entry->name.data == NULL) { | |
| return ngx_http_autoindex_error(r, &dir, &path); | |
| } | |
| ngx_cpystrn(entry->name.data, ngx_de_name(&dir), len + 1); | |
| entry->dir = ngx_de_is_dir(&dir); | |
| entry->file = ngx_de_is_file(&dir); | |
| entry->mtime = ngx_de_mtime(&dir); | |
| entry->size = ngx_de_size(&dir); | |
| } | |
| if (ngx_close_dir(&dir) == NGX_ERROR) { | |
| ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno, | |
| ngx_close_dir_n " \"%V\" failed", &path); | |
| } | |
| if (entries.nelts > 1) { | |
| ngx_qsort(entries.elts, (size_t) entries.nelts, | |
| sizeof(ngx_http_autoindex_entry_t), | |
| ngx_http_autoindex_cmp_entries); | |
| } | |
| switch (format) { | |
| case NGX_HTTP_AUTOINDEX_JSON: | |
| b = ngx_http_autoindex_json(r, &entries, NULL); | |
| break; | |
| case NGX_HTTP_AUTOINDEX_JSONP: | |
| b = ngx_http_autoindex_json(r, &entries, &callback); | |
| break; | |
| case NGX_HTTP_AUTOINDEX_XML: | |
| b = ngx_http_autoindex_xml(r, &entries); | |
| break; | |
| default: /* NGX_HTTP_AUTOINDEX_HTML */ | |
| b = ngx_http_autoindex_html(r, &entries); | |
| break; | |
| } | |
| if (b == NULL) { | |
| return NGX_ERROR; | |
| } | |
| /* TODO: free temporary pool */ | |
| if (r == r->main) { | |
| b->last_buf = 1; | |
| } | |
| b->last_in_chain = 1; | |
| out.buf = b; | |
| out.next = NULL; | |
| return ngx_http_output_filter(r, &out); | |
| } | |
| static ngx_buf_t * | |
| ngx_http_autoindex_html(ngx_http_request_t *r, ngx_array_t *entries) | |
| { | |
| u_char *last, scale; | |
| off_t length; | |
| size_t len, char_len, escape_html; | |
| ngx_tm_t tm; | |
| ngx_buf_t *b; | |
| ngx_int_t size; | |
| ngx_uint_t i, utf8; | |
| ngx_time_t *tp; | |
| ngx_http_autoindex_entry_t *entry; | |
| ngx_http_autoindex_loc_conf_t *alcf; | |
| static u_char title[] = | |
| "<html>" CRLF | |
| "<head><title>Index of " | |
| ; | |
| static u_char header[] = | |
| "</title></head>" CRLF | |
| "<body>" CRLF | |
| "<h1>Index of " | |
| ; | |
| static u_char tail[] = | |
| "</body>" CRLF | |
| "</html>" CRLF | |
| ; | |
| static char *months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", | |
| "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; | |
| if (r->headers_out.charset.len == 5 | |
| && ngx_strncasecmp(r->headers_out.charset.data, (u_char *) "utf-8", 5) | |
| == 0) | |
| { | |
| utf8 = 1; | |
| } else { | |
| utf8 = 0; | |
| } | |
| escape_html = ngx_escape_html(NULL, r->uri.data, r->uri.len); | |
| len = sizeof(title) - 1 | |
| + r->uri.len + escape_html | |
| + sizeof(header) - 1 | |
| + r->uri.len + escape_html | |
| + sizeof("</h1>") - 1 | |
| + sizeof("<hr><pre><a href=\"../\">../</a>" CRLF) - 1 | |
| + sizeof("</pre><hr>") - 1 | |
| + sizeof(tail) - 1; | |
| entry = entries->elts; | |
| for (i = 0; i < entries->nelts; i++) { | |
| entry[i].escape = 2 * ngx_escape_uri(NULL, entry[i].name.data, | |
| entry[i].name.len, | |
| NGX_ESCAPE_URI_COMPONENT); | |
| entry[i].escape_html = ngx_escape_html(NULL, entry[i].name.data, | |
| entry[i].name.len); | |
| if (utf8) { | |
| entry[i].utf_len = ngx_utf8_length(entry[i].name.data, | |
| entry[i].name.len); | |
| } else { | |
| entry[i].utf_len = entry[i].name.len; | |
| } | |
| len += sizeof("<a href=\"") - 1 | |
| + entry[i].name.len + entry[i].escape | |
| + 1 /* 1 is for "/" */ | |
| + sizeof("\">") - 1 | |
| + entry[i].name.len - entry[i].utf_len | |
| + entry[i].escape_html | |
| + NGX_HTTP_AUTOINDEX_NAME_LEN + sizeof(">") - 2 | |
| + sizeof("</a>") - 1 | |
| + sizeof(" 28-Sep-1970 12:00 ") - 1 | |
| + 20 /* the file size */ | |
| + 2; | |
| } | |
| b = ngx_create_temp_buf(r->pool, len); | |
| if (b == NULL) { | |
| return NULL; | |
| } | |
| b->last = ngx_cpymem(b->last, title, sizeof(title) - 1); | |
| if (escape_html) { | |
| b->last = (u_char *) ngx_escape_html(b->last, r->uri.data, r->uri.len); | |
| b->last = ngx_cpymem(b->last, header, sizeof(header) - 1); | |
| b->last = (u_char *) ngx_escape_html(b->last, r->uri.data, r->uri.len); | |
| } else { | |
| b->last = ngx_cpymem(b->last, r->uri.data, r->uri.len); | |
| b->last = ngx_cpymem(b->last, header, sizeof(header) - 1); | |
| b->last = ngx_cpymem(b->last, r->uri.data, r->uri.len); | |
| } | |
| b->last = ngx_cpymem(b->last, "</h1>", sizeof("</h1>") - 1); | |
| b->last = ngx_cpymem(b->last, "<hr><pre><a href=\"../\">../</a>" CRLF, | |
| sizeof("<hr><pre><a href=\"../\">../</a>" CRLF) - 1); | |
| alcf = ngx_http_get_module_loc_conf(r, ngx_http_autoindex_module); | |
| tp = ngx_timeofday(); | |
| for (i = 0; i < entries->nelts; i++) { | |
| b->last = ngx_cpymem(b->last, "<a href=\"", sizeof("<a href=\"") - 1); | |
| if (entry[i].escape) { | |
| ngx_escape_uri(b->last, entry[i].name.data, entry[i].name.len, | |
| NGX_ESCAPE_URI_COMPONENT); | |
| b->last += entry[i].name.len + entry[i].escape; | |
| } else { | |
| b->last = ngx_cpymem(b->last, entry[i].name.data, | |
| entry[i].name.len); | |
| } | |
| if (entry[i].dir) { | |
| *b->last++ = '/'; | |
| } | |
| *b->last++ = '"'; | |
| *b->last++ = '>'; | |
| len = entry[i].utf_len; | |
| if (entry[i].name.len != len) { | |
| if (len > NGX_HTTP_AUTOINDEX_NAME_LEN) { | |
| char_len = NGX_HTTP_AUTOINDEX_NAME_LEN - 3 + 1; | |
| } else { | |
| char_len = NGX_HTTP_AUTOINDEX_NAME_LEN + 1; | |
| } | |
| last = b->last; | |
| b->last = ngx_utf8_cpystrn(b->last, entry[i].name.data, | |
| char_len, entry[i].name.len + 1); | |
| if (entry[i].escape_html) { | |
| b->last = (u_char *) ngx_escape_html(last, entry[i].name.data, | |
| b->last - last); | |
| } | |
| last = b->last; | |
| } else { | |
| if (entry[i].escape_html) { | |
| if (len > NGX_HTTP_AUTOINDEX_NAME_LEN) { | |
| char_len = NGX_HTTP_AUTOINDEX_NAME_LEN - 3; | |
| } else { | |
| char_len = len; | |
| } | |
| b->last = (u_char *) ngx_escape_html(b->last, | |
| entry[i].name.data, char_len); | |
| last = b->last; | |
| } else { | |
| b->last = ngx_cpystrn(b->last, entry[i].name.data, | |
| NGX_HTTP_AUTOINDEX_NAME_LEN + 1); | |
| last = b->last - 3; | |
| } | |
| } | |
| if (len > NGX_HTTP_AUTOINDEX_NAME_LEN) { | |
| b->last = ngx_cpymem(last, "..></a>", sizeof("..></a>") - 1); | |
| } else { | |
| if (entry[i].dir && NGX_HTTP_AUTOINDEX_NAME_LEN - len > 0) { | |
| *b->last++ = '/'; | |
| len++; | |
| } | |
| b->last = ngx_cpymem(b->last, "</a>", sizeof("</a>") - 1); | |
| if (NGX_HTTP_AUTOINDEX_NAME_LEN - len > 0) { | |
| ngx_memset(b->last, ' ', NGX_HTTP_AUTOINDEX_NAME_LEN - len); | |
| b->last += NGX_HTTP_AUTOINDEX_NAME_LEN - len; | |
| } | |
| } | |
| *b->last++ = ' '; | |
| ngx_gmtime(entry[i].mtime + tp->gmtoff * 60 * alcf->localtime, &tm); | |
| b->last = ngx_sprintf(b->last, "%02d-%s-%d %02d:%02d ", | |
| tm.ngx_tm_mday, | |
| months[tm.ngx_tm_mon - 1], | |
| tm.ngx_tm_year, | |
| tm.ngx_tm_hour, | |
| tm.ngx_tm_min); | |
| if (alcf->exact_size) { | |
| if (entry[i].dir) { | |
| b->last = ngx_cpymem(b->last, " -", | |
| sizeof(" -") - 1); | |
| } else { | |
| b->last = ngx_sprintf(b->last, "%19O", entry[i].size); | |
| } | |
| } else { | |
| if (entry[i].dir) { | |
| b->last = ngx_cpymem(b->last, " -", | |
| sizeof(" -") - 1); | |
| } else { | |
| length = entry[i].size; | |
| if (length > 1024 * 1024 * 1024 - 1) { | |
| size = (ngx_int_t) (length / (1024 * 1024 * 1024)); | |
| if ((length % (1024 * 1024 * 1024)) | |
| > (1024 * 1024 * 1024 / 2 - 1)) | |
| { | |
| size++; | |
| } | |
| scale = 'G'; | |
| } else if (length > 1024 * 1024 - 1) { | |
| size = (ngx_int_t) (length / (1024 * 1024)); | |
| if ((length % (1024 * 1024)) > (1024 * 1024 / 2 - 1)) { | |
| size++; | |
| } | |
| scale = 'M'; | |
| } else if (length > 9999) { | |
| size = (ngx_int_t) (length / 1024); | |
| if (length % 1024 > 511) { | |
| size++; | |
| } | |
| scale = 'K'; | |
| } else { | |
| size = (ngx_int_t) length; | |
| scale = '\0'; | |
| } | |
| if (scale) { | |
| b->last = ngx_sprintf(b->last, "%6i%c", size, scale); | |
| } else { | |
| b->last = ngx_sprintf(b->last, " %6i", size); | |
| } | |
| } | |
| } | |
| *b->last++ = CR; | |
| *b->last++ = LF; | |
| } | |
| b->last = ngx_cpymem(b->last, "</pre><hr>", sizeof("</pre><hr>") - 1); | |
| b->last = ngx_cpymem(b->last, tail, sizeof(tail) - 1); | |
| return b; | |
| } | |
| static ngx_buf_t * | |
| ngx_http_autoindex_json(ngx_http_request_t *r, ngx_array_t *entries, | |
| ngx_str_t *callback) | |
| { | |
| size_t len; | |
| ngx_buf_t *b; | |
| ngx_uint_t i; | |
| ngx_http_autoindex_entry_t *entry; | |
| len = sizeof("[" CRLF CRLF "]") - 1; | |
| if (callback) { | |
| len += sizeof("/* callback */" CRLF "();") - 1 + callback->len; | |
| } | |
| entry = entries->elts; | |
| for (i = 0; i < entries->nelts; i++) { | |
| entry[i].escape = ngx_escape_json(NULL, entry[i].name.data, | |
| entry[i].name.len); | |
| len += sizeof("{ }," CRLF) - 1 | |
| + sizeof("\"name\":\"\"") - 1 | |
| + entry[i].name.len + entry[i].escape | |
| + sizeof(", \"type\":\"directory\"") - 1 | |
| + sizeof(", \"mtime\":\"Wed, 31 Dec 1986 10:00:00 GMT\"") - 1; | |
| if (entry[i].file) { | |
| len += sizeof(", \"size\":") - 1 + NGX_OFF_T_LEN; | |
| } | |
| } | |
| b = ngx_create_temp_buf(r->pool, len); | |
| if (b == NULL) { | |
| return NULL; | |
| } | |
| if (callback) { | |
| b->last = ngx_cpymem(b->last, "/* callback */" CRLF, | |
| sizeof("/* callback */" CRLF) - 1); | |
| b->last = ngx_cpymem(b->last, callback->data, callback->len); | |
| *b->last++ = '('; | |
| } | |
| *b->last++ = '['; | |
| for (i = 0; i < entries->nelts; i++) { | |
| b->last = ngx_cpymem(b->last, CRLF "{ \"name\":\"", | |
| sizeof(CRLF "{ \"name\":\"") - 1); | |
| if (entry[i].escape) { | |
| b->last = (u_char *) ngx_escape_json(b->last, entry[i].name.data, | |
| entry[i].name.len); | |
| } else { | |
| b->last = ngx_cpymem(b->last, entry[i].name.data, | |
| entry[i].name.len); | |
| } | |
| b->last = ngx_cpymem(b->last, "\", \"type\":\"", | |
| sizeof("\", \"type\":\"") - 1); | |
| if (entry[i].dir) { | |
| b->last = ngx_cpymem(b->last, "directory", sizeof("directory") - 1); | |
| } else if (entry[i].file) { | |
| b->last = ngx_cpymem(b->last, "file", sizeof("file") - 1); | |
| } else { | |
| b->last = ngx_cpymem(b->last, "other", sizeof("other") - 1); | |
| } | |
| b->last = ngx_cpymem(b->last, "\", \"mtime\":\"", | |
| sizeof("\", \"mtime\":\"") - 1); | |
| b->last = ngx_http_time(b->last, entry[i].mtime); | |
| if (entry[i].file) { | |
| b->last = ngx_cpymem(b->last, "\", \"size\":", | |
| sizeof("\", \"size\":") - 1); | |
| b->last = ngx_sprintf(b->last, "%O", entry[i].size); | |
| } else { | |
| *b->last++ = '"'; | |
| } | |
| b->last = ngx_cpymem(b->last, " },", sizeof(" },") - 1); | |
| } | |
| if (i > 0) { | |
| b->last--; /* strip last comma */ | |
| } | |
| b->last = ngx_cpymem(b->last, CRLF "]", sizeof(CRLF "]") - 1); | |
| if (callback) { | |
| *b->last++ = ')'; *b->last++ = ';'; | |
| } | |
| return b; | |
| } | |
| static ngx_int_t | |
| ngx_http_autoindex_jsonp_callback(ngx_http_request_t *r, ngx_str_t *callback) | |
| { | |
| u_char *p, c, ch; | |
| ngx_uint_t i; | |
| if (ngx_http_arg(r, (u_char *) "callback", 8, callback) != NGX_OK) { | |
| callback->len = 0; | |
| return NGX_OK; | |
| } | |
| if (callback->len > 128) { | |
| ngx_log_error(NGX_LOG_INFO, r->connection->log, 0, | |
| "client sent too long callback name: \"%V\"", callback); | |
| return NGX_DECLINED; | |
| } | |
| p = callback->data; | |
| for (i = 0; i < callback->len; i++) { | |
| ch = p[i]; | |
| c = (u_char) (ch | 0x20); | |
| if (c >= 'a' && c <= 'z') { | |
| continue; | |
| } | |
| if ((ch >= '0' && ch <= '9') || ch == '_' || ch == '.') { | |
| continue; | |
| } | |
| ngx_log_error(NGX_LOG_INFO, r->connection->log, 0, | |
| "client sent invalid callback name: \"%V\"", callback); | |
| return NGX_DECLINED; | |
| } | |
| return NGX_OK; | |
| } | |
| static ngx_buf_t * | |
| ngx_http_autoindex_xml(ngx_http_request_t *r, ngx_array_t *entries) | |
| { | |
| size_t len; | |
| ngx_tm_t tm; | |
| ngx_buf_t *b; | |
| ngx_str_t type; | |
| ngx_uint_t i; | |
| ngx_http_autoindex_entry_t *entry; | |
| static u_char head[] = "<?xml version=\"1.0\"?>" CRLF "<list>" CRLF; | |
| static u_char tail[] = "</list>" CRLF; | |
| len = sizeof(head) - 1 + sizeof(tail) - 1; | |
| entry = entries->elts; | |
| for (i = 0; i < entries->nelts; i++) { | |
| entry[i].escape = ngx_escape_html(NULL, entry[i].name.data, | |
| entry[i].name.len); | |
| len += sizeof("<directory></directory>" CRLF) - 1 | |
| + entry[i].name.len + entry[i].escape | |
| + sizeof(" mtime=\"1986-12-31T10:00:00Z\"") - 1; | |
| if (entry[i].file) { | |
| len += sizeof(" size=\"\"") - 1 + NGX_OFF_T_LEN; | |
| } | |
| } | |
| b = ngx_create_temp_buf(r->pool, len); | |
| if (b == NULL) { | |
| return NULL; | |
| } | |
| b->last = ngx_cpymem(b->last, head, sizeof(head) - 1); | |
| for (i = 0; i < entries->nelts; i++) { | |
| *b->last++ = '<'; | |
| if (entry[i].dir) { | |
| ngx_str_set(&type, "directory"); | |
| } else if (entry[i].file) { | |
| ngx_str_set(&type, "file"); | |
| } else { | |
| ngx_str_set(&type, "other"); | |
| } | |
| b->last = ngx_cpymem(b->last, type.data, type.len); | |
| b->last = ngx_cpymem(b->last, " mtime=\"", sizeof(" mtime=\"") - 1); | |
| ngx_gmtime(entry[i].mtime, &tm); | |
| b->last = ngx_sprintf(b->last, "%4d-%02d-%02dT%02d:%02d:%02dZ", | |
| tm.ngx_tm_year, tm.ngx_tm_mon, | |
| tm.ngx_tm_mday, tm.ngx_tm_hour, | |
| tm.ngx_tm_min, tm.ngx_tm_sec); | |
| if (entry[i].file) { | |
| b->last = ngx_cpymem(b->last, "\" size=\"", | |
| sizeof("\" size=\"") - 1); | |
| b->last = ngx_sprintf(b->last, "%O", entry[i].size); | |
| } | |
| *b->last++ = '"'; *b->last++ = '>'; | |
| if (entry[i].escape) { | |
| b->last = (u_char *) ngx_escape_html(b->last, entry[i].name.data, | |
| entry[i].name.len); | |
| } else { | |
| b->last = ngx_cpymem(b->last, entry[i].name.data, | |
| entry[i].name.len); | |
| } | |
| *b->last++ = '<'; *b->last++ = '/'; | |
| b->last = ngx_cpymem(b->last, type.data, type.len); | |
| *b->last++ = '>'; | |
| *b->last++ = CR; *b->last++ = LF; | |
| } | |
| b->last = ngx_cpymem(b->last, tail, sizeof(tail) - 1); | |
| return b; | |
| } | |
| static int ngx_libc_cdecl | |
| ngx_http_autoindex_cmp_entries(const void *one, const void *two) | |
| { | |
| ngx_http_autoindex_entry_t *first = (ngx_http_autoindex_entry_t *) one; | |
| ngx_http_autoindex_entry_t *second = (ngx_http_autoindex_entry_t *) two; | |
| if (first->dir && !second->dir) { | |
| /* move the directories to the start */ | |
| return -1; | |
| } | |
| if (!first->dir && second->dir) { | |
| /* move the directories to the start */ | |
| return 1; | |
| } | |
| return (int) ngx_strcmp(first->name.data, second->name.data); | |
| } | |
| #if 0 | |
| static ngx_buf_t * | |
| ngx_http_autoindex_alloc(ngx_http_autoindex_ctx_t *ctx, size_t size) | |
| { | |
| ngx_chain_t *cl; | |
| if (ctx->buf) { | |
| if ((size_t) (ctx->buf->end - ctx->buf->last) >= size) { | |
| return ctx->buf; | |
| } | |
| ctx->size += ctx->buf->last - ctx->buf->pos; | |
| } | |
| ctx->buf = ngx_create_temp_buf(ctx->pool, ctx->alloc_size); | |
| if (ctx->buf == NULL) { | |
| return NULL; | |
| } | |
| cl = ngx_alloc_chain_link(ctx->pool); | |
| if (cl == NULL) { | |
| return NULL; | |
| } | |
| cl->buf = ctx->buf; | |
| cl->next = NULL; | |
| *ctx->last_out = cl; | |
| ctx->last_out = &cl->next; | |
| return ctx->buf; | |
| } | |
| #endif | |
| static ngx_int_t | |
| ngx_http_autoindex_error(ngx_http_request_t *r, ngx_dir_t *dir, ngx_str_t *name) | |
| { | |
| if (ngx_close_dir(dir) == NGX_ERROR) { | |
| ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno, | |
| ngx_close_dir_n " \"%V\" failed", name); | |
| } | |
| return r->header_sent ? NGX_ERROR : NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| } | |
| static void * | |
| ngx_http_autoindex_create_loc_conf(ngx_conf_t *cf) | |
| { | |
| ngx_http_autoindex_loc_conf_t *conf; | |
| conf = ngx_palloc(cf->pool, sizeof(ngx_http_autoindex_loc_conf_t)); | |
| if (conf == NULL) { | |
| return NULL; | |
| } | |
| conf->enable = NGX_CONF_UNSET; | |
| conf->format = NGX_CONF_UNSET_UINT; | |
| conf->localtime = NGX_CONF_UNSET; | |
| conf->exact_size = NGX_CONF_UNSET; | |
| return conf; | |
| } | |
| static char * | |
| ngx_http_autoindex_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
| { | |
| ngx_http_autoindex_loc_conf_t *prev = parent; | |
| ngx_http_autoindex_loc_conf_t *conf = child; | |
| ngx_conf_merge_value(conf->enable, prev->enable, 0); | |
| ngx_conf_merge_uint_value(conf->format, prev->format, | |
| NGX_HTTP_AUTOINDEX_HTML); | |
| ngx_conf_merge_value(conf->localtime, prev->localtime, 0); | |
| ngx_conf_merge_value(conf->exact_size, prev->exact_size, 1); | |
| return NGX_CONF_OK; | |
| } | |
| static ngx_int_t | |
| ngx_http_autoindex_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_CONTENT_PHASE].handlers); | |
| if (h == NULL) { | |
| return NGX_ERROR; | |
| } | |
| *h = ngx_http_autoindex_handler; | |
| return NGX_OK; | |
| } |