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src/http/modules/ngx_http_autoindex_module.c - nginx-1.7.10
Global variables defined
Data types defined
Functions defined
Macros defined
Source code
- #include <ngx_config.h>
- #include <ngx_core.h>
- #include <ngx_http.h>
- #if 0
- #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,
- ngx_http_autoindex_init,
- NULL,
- NULL,
- NULL,
- NULL,
- ngx_http_autoindex_create_loc_conf,
- ngx_http_autoindex_merge_loc_conf
- };
- ngx_module_t ngx_http_autoindex_module = {
- NGX_MODULE_V1,
- &ngx_http_autoindex_module_ctx,
- ngx_http_autoindex_commands,
- NGX_HTTP_MODULE,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- 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;
- }
-
- 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)
-
- ngx_memzero(&entries, sizeof(ngx_array_t));
- #endif
- TODO
- 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_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) {
-
- 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:
- b = ngx_http_autoindex_html(r, &entries);
- break;
- }
- if (b == NULL) {
- return NGX_ERROR;
- }
- TODO
- 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 bgcolor=\"white\">" 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
- + 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
- + 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--;
- }
- 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) {
-
- return -1;
- }
- if (!first->dir && second->dir) {
-
- return 1;
- }
- return (int) ngx_strcmp(first->name.data, second->name.data);
- }
- #if 0
- #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;
- }
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