--- /dev/null
+/* ====================================================================
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 2000 The Apache Software Foundation. All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. The end-user documentation included with the redistribution,
+ * if any, must include the following acknowledgment:
+ * "This product includes software developed by the
+ * Apache Software Foundation (http://www.apache.org/)."
+ * Alternately, this acknowledgment may appear in the software itself,
+ * if and wherever such third-party acknowledgments normally appear.
+ *
+ * 4. The names "Apache" and "Apache Software Foundation" must
+ * not be used to endorse or promote products derived from this
+ * software without prior written permission. For written
+ * permission, please contact apache@apache.org.
+ *
+ * 5. Products derived from this software may not be called "Apache",
+ * nor may "Apache" appear in their name, without prior written
+ * permission of the Apache Software Foundation.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation. For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ * Portions of this software are based upon public domain software
+ * originally written at the National Center for Supercomputing Applications,
+ * University of Illinois, Urbana-Champaign.
+ */
+
+/*
+ * mod_autoindex.c: Handles the on-the-fly html index generation
+ *
+ * Rob McCool
+ * 3/23/93
+ *
+ * Adapted to Apache by rst.
+ *
+ * Version sort added by Martin Pool <mbp@humbug.org.au>. */
+
+#include "apr_strings.h"
+#include "ap_config.h"
+#include "httpd.h"
+#include "http_config.h"
+#include "http_core.h"
+#include "http_request.h"
+#include "http_protocol.h"
+#include "http_log.h"
+#include "http_main.h"
+#include "util_script.h"
+#include "apr_fnmatch.h"
+#include "apr_strings.h"
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+#ifdef HAVE_STRINGS_H
+#include <strings.h>
+#endif
+
+module AP_MODULE_DECLARE_DATA autoindex_module;
+
+/****************************************************************
+ *
+ * Handling configuration directives...
+ */
+
+#define HRULE 1
+#define NO_HRULE 0
+#define FRONT_MATTER 1
+#define END_MATTER 0
+
+#define FANCY_INDEXING 1 /* Indexing options */
+#define ICONS_ARE_LINKS 2
+#define SCAN_HTML_TITLES 4
+#define SUPPRESS_LAST_MOD 8
+#define SUPPRESS_SIZE 16
+#define SUPPRESS_DESC 32
+#define SUPPRESS_PREAMBLE 64
+#define SUPPRESS_COLSORT 128
+#define NO_OPTIONS 256
+#define VERSION_SORT 512
+
+#define K_PAD 1
+#define K_NOPAD 0
+
+#define K_NOADJUST 0
+#define K_ADJUST 1
+#define K_UNSET 2
+
+/*
+ * Define keys for sorting.
+ */
+#define K_NAME 'N' /* Sort by file name (default) */
+#define K_LAST_MOD 'M' /* Last modification date */
+#define K_SIZE 'S' /* Size (absolute, not as displayed) */
+#define K_DESC 'D' /* Description */
+
+#define D_ASCENDING 'A'
+#define D_DESCENDING 'D'
+
+/*
+ * These are the dimensions of the default icons supplied with Apache.
+ */
+#define DEFAULT_ICON_WIDTH 20
+#define DEFAULT_ICON_HEIGHT 22
+
+/*
+ * Other default dimensions.
+ */
+#define DEFAULT_NAME_WIDTH 23
+
+struct item {
+ char *type;
+ char *apply_to;
+ char *apply_path;
+ char *data;
+};
+
+typedef struct ai_desc_t {
+ char *pattern;
+ char *description;
+ int full_path;
+ int wildcards;
+} ai_desc_t;
+
+typedef struct autoindex_config_struct {
+
+ char *default_icon;
+ int opts;
+ int incremented_opts;
+ int decremented_opts;
+ int name_width;
+ int name_adjust;
+ int icon_width;
+ int icon_height;
+ char *default_order;
+
+ apr_array_header_t *icon_list;
+ apr_array_header_t *alt_list;
+ apr_array_header_t *desc_list;
+ apr_array_header_t *ign_list;
+ apr_array_header_t *hdr_list;
+ apr_array_header_t *rdme_list;
+
+} autoindex_config_rec;
+
+static char c_by_encoding, c_by_type, c_by_path;
+
+#define BY_ENCODING &c_by_encoding
+#define BY_TYPE &c_by_type
+#define BY_PATH &c_by_path
+
+/*
+ * Return true if the specified string refers to the parent directory (i.e.,
+ * matches ".." or "../"). Hopefully this one call is significantly less
+ * expensive than multiple strcmp() calls.
+ */
+static apr_inline int is_parent(const char *name)
+{
+ /*
+ * Now, IFF the first two bytes are dots, and the third byte is either
+ * EOS (\0) or a slash followed by EOS, we have a match.
+ */
+ if (((name[0] == '.') && (name[1] == '.'))
+ && ((name[2] == '\0')
+ || ((name[2] == '/') && (name[3] == '\0')))) {
+ return 1;
+ }
+ return 0;
+}
+
+/*
+ * This routine puts the standard HTML header at the top of the index page.
+ * We include the DOCTYPE because we may be using features therefrom (i.e.,
+ * HEIGHT and WIDTH attributes on the icons if we're FancyIndexing).
+ */
+static void emit_preamble(request_rec *r, char *title)
+{
+ ap_rvputs(r, DOCTYPE_HTML_3_2,
+ "<HTML>\n <HEAD>\n <TITLE>Index of ", title,
+ "</TITLE>\n </HEAD>\n <BODY>\n", NULL);
+}
+
+static void push_item(apr_array_header_t *arr, char *type, const char *to,
+ const char *path, const char *data)
+{
+ struct item *p = (struct item *) apr_push_array(arr);
+
+ if (!to) {
+ to = "";
+ }
+ if (!path) {
+ path = "";
+ }
+
+ p->type = type;
+ p->data = data ? apr_pstrdup(arr->cont, data) : NULL;
+ p->apply_path = apr_pstrcat(arr->cont, path, "*", NULL);
+
+ if ((type == BY_PATH) && (!ap_is_matchexp(to))) {
+ p->apply_to = apr_pstrcat(arr->cont, "*", to, NULL);
+ }
+ else if (to) {
+ p->apply_to = apr_pstrdup(arr->cont, to);
+ }
+ else {
+ p->apply_to = NULL;
+ }
+}
+
+static const char *add_alt(cmd_parms *cmd, void *d, const char *alt,
+ const char *to)
+{
+ if (cmd->info == BY_PATH) {
+ if (!strcmp(to, "**DIRECTORY**")) {
+ to = "^^DIRECTORY^^";
+ }
+ }
+ if (cmd->info == BY_ENCODING) {
+ char *tmp = apr_pstrdup(cmd->pool, to);
+ ap_str_tolower(tmp);
+ to = tmp;
+ }
+
+ push_item(((autoindex_config_rec *) d)->alt_list, cmd->info, to,
+ cmd->path, alt);
+ return NULL;
+}
+
+static const char *add_icon(cmd_parms *cmd, void *d, const char *icon,
+ const char *to)
+{
+ char *iconbak = apr_pstrdup(cmd->pool, icon);
+
+ if (icon[0] == '(') {
+ char *alt;
+ char *cl = strchr(iconbak, ')');
+
+ if (cl == NULL) {
+ return "missing closing paren";
+ }
+ alt = ap_getword_nc(cmd->pool, &iconbak, ',');
+ *cl = '\0'; /* Lose closing paren */
+ add_alt(cmd, d, &alt[1], to);
+ }
+ if (cmd->info == BY_PATH) {
+ if (!strcmp(to, "**DIRECTORY**")) {
+ to = "^^DIRECTORY^^";
+ }
+ }
+ if (cmd->info == BY_ENCODING) {
+ char *tmp = apr_pstrdup(cmd->pool, to);
+ ap_str_tolower(tmp);
+ to = tmp;
+ }
+
+ push_item(((autoindex_config_rec *) d)->icon_list, cmd->info, to,
+ cmd->path, iconbak);
+ return NULL;
+}
+
+/*
+ * Add description text for a filename pattern. If the pattern has
+ * wildcards already (or we need to add them), add leading and
+ * trailing wildcards to it to ensure substring processing. If the
+ * pattern contains a '/' anywhere, force wildcard matching mode,
+ * add a slash to the prefix so that "bar/bletch" won't be matched
+ * by "foobar/bletch", and make a note that there's a delimiter;
+ * the matching routine simplifies to just the actual filename
+ * whenever it can. This allows definitions in parent directories
+ * to be made for files in subordinate ones using relative paths.
+ */
+
+/*
+ * Absent a strcasestr() function, we have to force wildcards on
+ * systems for which "AAA" and "aaa" mean the same file.
+ */
+#ifdef CASE_BLIND_FILESYSTEM
+#define WILDCARDS_REQUIRED 1
+#else
+#define WILDCARDS_REQUIRED 0
+#endif
+
+static const char *add_desc(cmd_parms *cmd, void *d, const char *desc,
+ const char *to)
+{
+ autoindex_config_rec *dcfg = (autoindex_config_rec *) d;
+ ai_desc_t *desc_entry;
+ char *prefix = "";
+
+ desc_entry = (ai_desc_t *) apr_push_array(dcfg->desc_list);
+ desc_entry->full_path = (ap_strchr_c(to, '/') == NULL) ? 0 : 1;
+ desc_entry->wildcards = (WILDCARDS_REQUIRED
+ || desc_entry->full_path
+ || apr_is_fnmatch(to));
+ if (desc_entry->wildcards) {
+ prefix = desc_entry->full_path ? "*/" : "*";
+ desc_entry->pattern = apr_pstrcat(dcfg->desc_list->cont,
+ prefix, to, "*", NULL);
+ }
+ else {
+ desc_entry->pattern = apr_pstrdup(dcfg->desc_list->cont, to);
+ }
+ desc_entry->description = apr_pstrdup(dcfg->desc_list->cont, desc);
+ return NULL;
+}
+
+static const char *add_ignore(cmd_parms *cmd, void *d, const char *ext)
+{
+ push_item(((autoindex_config_rec *) d)->ign_list, 0, ext, cmd->path, NULL);
+ return NULL;
+}
+
+static const char *add_header(cmd_parms *cmd, void *d, const char *name)
+{
+ push_item(((autoindex_config_rec *) d)->hdr_list, 0, NULL, cmd->path,
+ name);
+ return NULL;
+}
+
+static const char *add_readme(cmd_parms *cmd, void *d, const char *name)
+{
+ push_item(((autoindex_config_rec *) d)->rdme_list, 0, NULL, cmd->path,
+ name);
+ return NULL;
+}
+
+/* A legacy directive, FancyIndexing is superseded by the IndexOptions
+ * keyword. But for compatibility..
+ */
+static const char *fancy_indexing(cmd_parms *cmd, void *d, int arg)
+{
+ int curopts;
+ int newopts;
+ autoindex_config_rec *cfg;
+
+ cfg = (autoindex_config_rec *) d;
+ curopts = cfg->opts;
+ if (curopts & NO_OPTIONS) {
+ return "FancyIndexing directive conflicts with existing "
+ "IndexOptions None";
+ }
+ newopts = (arg ? (curopts | FANCY_INDEXING) : (curopts & ~FANCY_INDEXING));
+ cfg->opts = newopts;
+ return NULL;
+}
+
+static const char *add_opts(cmd_parms *cmd, void *d, const char *optstr)
+{
+ char *w;
+ int opts;
+ int opts_add;
+ int opts_remove;
+ char action;
+ autoindex_config_rec *d_cfg = (autoindex_config_rec *) d;
+
+ opts = d_cfg->opts;
+ opts_add = d_cfg->incremented_opts;
+ opts_remove = d_cfg->decremented_opts;
+ while (optstr[0]) {
+ int option = 0;
+
+ w = ap_getword_conf(cmd->pool, &optstr);
+ if ((*w == '+') || (*w == '-')) {
+ action = *(w++);
+ }
+ else {
+ action = '\0';
+ }
+ if (!strcasecmp(w, "FancyIndexing")) {
+ option = FANCY_INDEXING;
+ }
+ else if (!strcasecmp(w, "IconsAreLinks")) {
+ option = ICONS_ARE_LINKS;
+ }
+ else if (!strcasecmp(w, "ScanHTMLTitles")) {
+ option = SCAN_HTML_TITLES;
+ }
+ else if (!strcasecmp(w, "SuppressLastModified")) {
+ option = SUPPRESS_LAST_MOD;
+ }
+ else if (!strcasecmp(w, "SuppressSize")) {
+ option = SUPPRESS_SIZE;
+ }
+ else if (!strcasecmp(w, "SuppressDescription")) {
+ option = SUPPRESS_DESC;
+ }
+ else if (!strcasecmp(w, "SuppressHTMLPreamble")) {
+ option = SUPPRESS_PREAMBLE;
+ }
+ else if (!strcasecmp(w, "SuppressColumnSorting")) {
+ option = SUPPRESS_COLSORT;
+ }
+ else if (!strcasecmp(w, "VersionSort")) {
+ option = VERSION_SORT;
+ }
+ else if (!strcasecmp(w, "None")) {
+ if (action != '\0') {
+ return "Cannot combine '+' or '-' with 'None' keyword";
+ }
+ opts = NO_OPTIONS;
+ opts_add = 0;
+ opts_remove = 0;
+ }
+ else if (!strcasecmp(w, "IconWidth")) {
+ if (action != '-') {
+ d_cfg->icon_width = DEFAULT_ICON_WIDTH;
+ }
+ else {
+ d_cfg->icon_width = 0;
+ }
+ }
+ else if (!strncasecmp(w, "IconWidth=", 10)) {
+ if (action == '-') {
+ return "Cannot combine '-' with IconWidth=n";
+ }
+ d_cfg->icon_width = atoi(&w[10]);
+ }
+ else if (!strcasecmp(w, "IconHeight")) {
+ if (action != '-') {
+ d_cfg->icon_height = DEFAULT_ICON_HEIGHT;
+ }
+ else {
+ d_cfg->icon_height = 0;
+ }
+ }
+ else if (!strncasecmp(w, "IconHeight=", 11)) {
+ if (action == '-') {
+ return "Cannot combine '-' with IconHeight=n";
+ }
+ d_cfg->icon_height = atoi(&w[11]);
+ }
+ else if (!strcasecmp(w, "NameWidth")) {
+ if (action != '-') {
+ return "NameWidth with no value may only appear as "
+ "'-NameWidth'";
+ }
+ d_cfg->name_width = DEFAULT_NAME_WIDTH;
+ d_cfg->name_adjust = K_NOADJUST;
+ }
+ else if (!strncasecmp(w, "NameWidth=", 10)) {
+ if (action == '-') {
+ return "Cannot combine '-' with NameWidth=n";
+ }
+ if (w[10] == '*') {
+ d_cfg->name_adjust = K_ADJUST;
+ }
+ else {
+ int width = atoi(&w[10]);
+
+ if (width < 5) {
+ return "NameWidth value must be greater than 5";
+ }
+ d_cfg->name_width = width;
+ d_cfg->name_adjust = K_NOADJUST;
+ }
+ }
+ else {
+ return "Invalid directory indexing option";
+ }
+ if (action == '\0') {
+ opts |= option;
+ opts_add = 0;
+ opts_remove = 0;
+ }
+ else if (action == '+') {
+ opts_add |= option;
+ opts_remove &= ~option;
+ }
+ else {
+ opts_remove |= option;
+ opts_add &= ~option;
+ }
+ }
+ if ((opts & NO_OPTIONS) && (opts & ~NO_OPTIONS)) {
+ return "Cannot combine other IndexOptions keywords with 'None'";
+ }
+ d_cfg->incremented_opts = opts_add;
+ d_cfg->decremented_opts = opts_remove;
+ d_cfg->opts = opts;
+ return NULL;
+}
+
+static const char *set_default_order(cmd_parms *cmd, void *m, const char *direction,
+ const char *key)
+{
+ char temp[4];
+ autoindex_config_rec *d_cfg = (autoindex_config_rec *) m;
+
+ apr_cpystrn(temp, "k=d", sizeof(temp));
+ if (!strcasecmp(direction, "Ascending")) {
+ temp[2] = D_ASCENDING;
+ }
+ else if (!strcasecmp(direction, "Descending")) {
+ temp[2] = D_DESCENDING;
+ }
+ else {
+ return "First keyword must be 'Ascending' or 'Descending'";
+ }
+
+ if (!strcasecmp(key, "Name")) {
+ temp[0] = K_NAME;
+ }
+ else if (!strcasecmp(key, "Date")) {
+ temp[0] = K_LAST_MOD;
+ }
+ else if (!strcasecmp(key, "Size")) {
+ temp[0] = K_SIZE;
+ }
+ else if (!strcasecmp(key, "Description")) {
+ temp[0] = K_DESC;
+ }
+ else {
+ return "Second keyword must be 'Name', 'Date', 'Size', or "
+ "'Description'";
+ }
+
+ if (d_cfg->default_order == NULL) {
+ d_cfg->default_order = apr_palloc(cmd->pool, 4);
+ d_cfg->default_order[3] = '\0';
+ }
+ apr_cpystrn(d_cfg->default_order, temp, sizeof(temp));
+ return NULL;
+}
+
+#define DIR_CMD_PERMS OR_INDEXES
+
+static const command_rec autoindex_cmds[] =
+{
+ AP_INIT_ITERATE2("AddIcon", add_icon, BY_PATH, DIR_CMD_PERMS,
+ "an icon URL followed by one or more filenames"),
+ AP_INIT_ITERATE2("AddIconByType", add_icon, BY_TYPE, DIR_CMD_PERMS,
+ "an icon URL followed by one or more MIME types"),
+ AP_INIT_ITERATE2("AddIconByEncoding", add_icon, BY_ENCODING, DIR_CMD_PERMS,
+ "an icon URL followed by one or more content encodings"),
+ AP_INIT_ITERATE2("AddAlt", add_alt, BY_PATH, DIR_CMD_PERMS,
+ "alternate descriptive text followed by one or more filenames"),
+ AP_INIT_ITERATE2("AddAltByType", add_alt, BY_TYPE, DIR_CMD_PERMS,
+ "alternate descriptive text followed by one or more MIME types"),
+ AP_INIT_ITERATE2("AddAltByEncoding", add_alt, BY_ENCODING, DIR_CMD_PERMS,
+ "alternate descriptive text followed by one or more content encodings"),
+ AP_INIT_RAW_ARGS("IndexOptions", add_opts, NULL, DIR_CMD_PERMS,
+ "one or more index options"),
+ AP_INIT_TAKE2("IndexOrderDefault", set_default_order, NULL, DIR_CMD_PERMS,
+ "{Ascending,Descending} {Name,Size,Description,Date}"),
+ AP_INIT_ITERATE("IndexIgnore", add_ignore, NULL, DIR_CMD_PERMS,
+ "one or more file extensions"),
+ AP_INIT_ITERATE2("AddDescription", add_desc, BY_PATH, DIR_CMD_PERMS,
+ "Descriptive text followed by one or more filenames"),
+ AP_INIT_TAKE1("HeaderName", add_header, NULL, DIR_CMD_PERMS,
+ "a filename"),
+ AP_INIT_TAKE1("ReadmeName", add_readme, NULL, DIR_CMD_PERMS,
+ "a filename"),
+ AP_INIT_FLAG("FancyIndexing", fancy_indexing, NULL, DIR_CMD_PERMS,
+ "Limited to 'on' or 'off' (superseded by IndexOptions FancyIndexing)"),
+ AP_INIT_TAKE1("DefaultIcon", ap_set_string_slot,
+ (void *) XtOffsetOf(autoindex_config_rec, default_icon),
+ DIR_CMD_PERMS, "an icon URL"),
+ {NULL}
+};
+
+static void *create_autoindex_config(apr_pool_t *p, char *dummy)
+{
+ autoindex_config_rec *new =
+ (autoindex_config_rec *) apr_pcalloc(p, sizeof(autoindex_config_rec));
+
+ new->icon_width = 0;
+ new->icon_height = 0;
+ new->name_width = DEFAULT_NAME_WIDTH;
+ new->name_adjust = K_UNSET;
+ new->icon_list = apr_make_array(p, 4, sizeof(struct item));
+ new->alt_list = apr_make_array(p, 4, sizeof(struct item));
+ new->desc_list = apr_make_array(p, 4, sizeof(ai_desc_t));
+ new->ign_list = apr_make_array(p, 4, sizeof(struct item));
+ new->hdr_list = apr_make_array(p, 4, sizeof(struct item));
+ new->rdme_list = apr_make_array(p, 4, sizeof(struct item));
+ new->opts = 0;
+ new->incremented_opts = 0;
+ new->decremented_opts = 0;
+ new->default_order = NULL;
+
+ return (void *) new;
+}
+
+static void *merge_autoindex_configs(apr_pool_t *p, void *basev, void *addv)
+{
+ autoindex_config_rec *new;
+ autoindex_config_rec *base = (autoindex_config_rec *) basev;
+ autoindex_config_rec *add = (autoindex_config_rec *) addv;
+
+ new = (autoindex_config_rec *) apr_pcalloc(p, sizeof(autoindex_config_rec));
+ new->default_icon = add->default_icon ? add->default_icon
+ : base->default_icon;
+ new->icon_height = add->icon_height ? add->icon_height : base->icon_height;
+ new->icon_width = add->icon_width ? add->icon_width : base->icon_width;
+
+ new->alt_list = apr_append_arrays(p, add->alt_list, base->alt_list);
+ new->ign_list = apr_append_arrays(p, add->ign_list, base->ign_list);
+ new->hdr_list = apr_append_arrays(p, add->hdr_list, base->hdr_list);
+ new->desc_list = apr_append_arrays(p, add->desc_list, base->desc_list);
+ new->icon_list = apr_append_arrays(p, add->icon_list, base->icon_list);
+ new->rdme_list = apr_append_arrays(p, add->rdme_list, base->rdme_list);
+ if (add->opts & NO_OPTIONS) {
+ /*
+ * If the current directory says 'no options' then we also
+ * clear any incremental mods from being inheritable further down.
+ */
+ new->opts = NO_OPTIONS;
+ new->incremented_opts = 0;
+ new->decremented_opts = 0;
+ }
+ else {
+ /*
+ * If there were any nonincremental options selected for
+ * this directory, they dominate and we don't inherit *anything.*
+ * Contrariwise, we *do* inherit if the only settings here are
+ * incremental ones.
+ */
+ if (add->opts == 0) {
+ new->incremented_opts = (base->incremented_opts
+ | add->incremented_opts)
+ & ~add->decremented_opts;
+ new->decremented_opts = (base->decremented_opts
+ | add->decremented_opts);
+ /*
+ * We may have incremental settings, so make sure we don't
+ * inadvertently inherit an IndexOptions None from above.
+ */
+ new->opts = (base->opts & ~NO_OPTIONS);
+ }
+ else {
+ /*
+ * There are local nonincremental settings, which clear
+ * all inheritance from above. They *are* the new base settings.
+ */
+ new->opts = add->opts;;
+ }
+ /*
+ * We're guaranteed that there'll be no overlap between
+ * the add-options and the remove-options.
+ */
+ new->opts |= new->incremented_opts;
+ new->opts &= ~new->decremented_opts;
+ }
+ /*
+ * Inherit the NameWidth settings if there aren't any specific to
+ * the new location; otherwise we'll end up using the defaults set in the
+ * config-rec creation routine.
+ */
+ if (add->name_adjust == K_UNSET) {
+ new->name_width = base->name_width;
+ new->name_adjust = base->name_adjust;
+ }
+ else {
+ new->name_width = add->name_width;
+ new->name_adjust = add->name_adjust;
+ }
+
+ new->default_order = (add->default_order != NULL)
+ ? add->default_order : base->default_order;
+ return new;
+}
+
+/****************************************************************
+ *
+ * Looking things up in config entries...
+ */
+
+/* Structure used to hold entries when we're actually building an index */
+
+struct ent {
+ char *name;
+ char *icon;
+ char *alt;
+ char *desc;
+ off_t size;
+ apr_time_t lm;
+ struct ent *next;
+ int ascending, version_sort;
+ char key;
+};
+
+static char *find_item(request_rec *r, apr_array_header_t *list, int path_only)
+{
+ const char *content_type = ap_field_noparam(r->pool, r->content_type);
+ const char *content_encoding = r->content_encoding;
+ char *path = r->filename;
+
+ struct item *items = (struct item *) list->elts;
+ int i;
+
+ for (i = 0; i < list->nelts; ++i) {
+ struct item *p = &items[i];
+
+ /* Special cased for ^^DIRECTORY^^ and ^^BLANKICON^^ */
+ if ((path[0] == '^') || (!ap_strcmp_match(path, p->apply_path))) {
+ if (!*(p->apply_to)) {
+ return p->data;
+ }
+ else if (p->type == BY_PATH || path[0] == '^') {
+ if (!ap_strcmp_match(path, p->apply_to)) {
+ return p->data;
+ }
+ }
+ else if (!path_only) {
+ if (!content_encoding) {
+ if (p->type == BY_TYPE) {
+ if (content_type
+ && !ap_strcasecmp_match(content_type,
+ p->apply_to)) {
+ return p->data;
+ }
+ }
+ }
+ else {
+ if (p->type == BY_ENCODING) {
+ if (!ap_strcasecmp_match(content_encoding,
+ p->apply_to)) {
+ return p->data;
+ }
+ }
+ }
+ }
+ }
+ }
+ return NULL;
+}
+
+#define find_icon(d,p,t) find_item(p,d->icon_list,t)
+#define find_alt(d,p,t) find_item(p,d->alt_list,t)
+#define find_header(d,p) find_item(p,d->hdr_list,0)
+#define find_readme(d,p) find_item(p,d->rdme_list,0)
+
+static char *find_default_icon(autoindex_config_rec *d, char *bogus_name)
+{
+ request_rec r;
+
+ /* Bleah. I tried to clean up find_item, and it lead to this bit
+ * of ugliness. Note that the fields initialized are precisely
+ * those that find_item looks at...
+ */
+
+ r.filename = bogus_name;
+ r.content_type = r.content_encoding = NULL;
+
+ return find_item(&r, d->icon_list, 1);
+}
+
+/*
+ * Look through the list of pattern/description pairs and return the first one
+ * if any) that matches the filename in the request. If multiple patterns
+ * match, only the first one is used; since the order in the array is the
+ * same as the order in which directives were processed, earlier matching
+ * directives will dominate.
+ */
+
+#ifdef CASE_BLIND_FILESYSTEM
+#define MATCH_FLAGS FNM_CASE_BLIND
+#else
+#define MATCH_FLAGS 0
+#endif
+
+static char *find_desc(autoindex_config_rec *dcfg, request_rec *r)
+{
+ int i;
+ ai_desc_t *list = (ai_desc_t *) dcfg->desc_list->elts;
+ const char *filename_full = r->filename;
+ const char *filename_only;
+ const char *filename;
+
+ /*
+ * If the filename includes a path, extract just the name itself
+ * for the simple matches.
+ */
+ if ((filename_only = ap_strrchr_c(filename_full, '/')) == NULL) {
+ filename_only = filename_full;
+ }
+ else {
+ filename_only++;
+ }
+ for (i = 0; i < dcfg->desc_list->nelts; ++i) {
+ ai_desc_t *tuple = &list[i];
+ int found;
+
+ /*
+ * Only use the full-path filename if the pattern contains '/'s.
+ */
+ filename = (tuple->full_path) ? filename_full : filename_only;
+ /*
+ * Make the comparison using the cheapest method; only do
+ * wildcard checking if we must.
+ */
+ if (tuple->wildcards) {
+ found = (apr_fnmatch(tuple->pattern, filename, MATCH_FLAGS) == 0);
+ }
+ else {
+ found = (ap_strstr_c(filename, tuple->pattern) != NULL);
+ }
+ if (found) {
+ return tuple->description;
+ }
+ }
+ return NULL;
+}
+
+static int ignore_entry(autoindex_config_rec *d, char *path)
+{
+ apr_array_header_t *list = d->ign_list;
+ struct item *items = (struct item *) list->elts;
+ char *tt;
+ int i;
+
+ if ((tt = strrchr(path, '/')) == NULL) {
+ tt = path;
+ }
+ else {
+ tt++;
+ }
+
+ for (i = 0; i < list->nelts; ++i) {
+ struct item *p = &items[i];
+ char *ap;
+
+ if ((ap = strrchr(p->apply_to, '/')) == NULL) {
+ ap = p->apply_to;
+ }
+ else {
+ ap++;
+ }
+
+#ifndef CASE_BLIND_FILESYSTEM
+ if (!ap_strcmp_match(path, p->apply_path)
+ && !ap_strcmp_match(tt, ap)) {
+ return 1;
+ }
+#else /* !CASE_BLIND_FILESYSTEM */
+ /*
+ * On some platforms, the match must be case-blind. This is really
+ * a factor of the filesystem involved, but we can't detect that
+ * reliably - so we have to granularise at the OS level.
+ */
+ if (!ap_strcasecmp_match(path, p->apply_path)
+ && !ap_strcasecmp_match(tt, ap)) {
+ return 1;
+ }
+#endif /* !CASE_BLIND_FILESYSTEM */
+ }
+ return 0;
+}
+
+/*****************************************************************
+ *
+ * Actually generating output
+ */
+
+/*
+ * Elements of the emitted document:
+ * Preamble
+ * Emitted unless SUPPRESS_PREAMBLE is set AND ap_run_sub_req
+ * succeeds for the (content_type == text/html) header file.
+ * Header file
+ * Emitted if found (and able).
+ * H1 tag line
+ * Emitted if a header file is NOT emitted.
+ * Directory stuff
+ * Always emitted.
+ * HR
+ * Emitted if FANCY_INDEXING is set.
+ * Readme file
+ * Emitted if found (and able).
+ * ServerSig
+ * Emitted if ServerSignature is not Off AND a readme file
+ * is NOT emitted.
+ * Postamble
+ * Emitted unless SUPPRESS_PREAMBLE is set AND ap_run_sub_req
+ * succeeds for the (content_type == text/html) readme file.
+ */
+
+
+/*
+ * emit a plain text file
+ */
+static void do_emit_plain(request_rec *r, apr_file_t *f)
+{
+ char buf[IOBUFSIZE + 1];
+ int i, c, ch;
+ apr_ssize_t n;
+ apr_status_t stat;
+
+ ap_rputs("<PRE>\n", r);
+ while (!apr_eof(f)) {
+ do {
+ n = sizeof(char) * IOBUFSIZE;
+ stat = apr_read(f, buf, &n);
+ }
+ while (stat != APR_SUCCESS && APR_STATUS_IS_EINTR(stat));
+ if (n == -1 || n == 0) {
+ break;
+ }
+ buf[n] = '\0';
+ c = 0;
+ while (c < n) {
+ for (i = c; i < n; i++) {
+ if (buf[i] == '<' || buf[i] == '>' || buf[i] == '&') {
+ break;
+ }
+ }
+ ch = buf[i];
+ buf[i] = '\0';
+ ap_rputs(&buf[c], r);
+ if (ch == '<') {
+ ap_rputs("<", r);
+ }
+ else if (ch == '>') {
+ ap_rputs(">", r);
+ }
+ else if (ch == '&') {
+ ap_rputs("&", r);
+ }
+ c = i + 1;
+ }
+ }
+ ap_rputs("</PRE>\n", r);
+}
+
+/*
+ * Handle the preamble through the H1 tag line, inclusive. Locate
+ * the file with a subrequests. Process text/html documents by actually
+ * running the subrequest; text/xxx documents get copied verbatim,
+ * and any other content type is ignored. This means that a non-text
+ * document (such as HEADER.gif) might get multiviewed as the result
+ * instead of a text document, meaning nothing will be displayed, but
+ * oh well.
+ */
+static void emit_head(request_rec *r, char *header_fname, int suppress_amble,
+ char *title)
+{
+ apr_file_t *f = NULL;
+ request_rec *rr = NULL;
+ int emit_amble = 1;
+ int emit_H1 = 1;
+
+ /*
+ * If there's a header file, send a subrequest to look for it. If it's
+ * found and a text file, handle it -- otherwise fall through and
+ * pretend there's nothing there.
+ */
+ if ((header_fname != NULL)
+ && (rr = ap_sub_req_lookup_uri(header_fname, r))
+ && (rr->status == HTTP_OK)
+ && (rr->filename != NULL)
+ && rr->finfo.filetype == APR_REG) {
+ /*
+ * Check for the two specific cases we allow: text/html and
+ * text/anything-else. The former is allowed to be processed for
+ * SSIs.
+ */
+ if (rr->content_type != NULL) {
+ if (!strcasecmp(ap_field_noparam(r->pool, rr->content_type),
+ "text/html")) {
+ /* Hope everything will work... */
+ emit_amble = 0;
+ emit_H1 = 0;
+
+ if (! suppress_amble) {
+ emit_preamble(r, title);
+ }
+ /*
+ * If there's a problem running the subrequest, display the
+ * preamble if we didn't do it before -- the header file
+ * didn't get displayed.
+ */
+ if (ap_run_sub_req(rr) != OK) {
+ /* It didn't work */
+ emit_amble = suppress_amble;
+ emit_H1 = 1;
+ }
+ }
+ else if (!strncasecmp("text/", rr->content_type, 5)) {
+ /*
+ * If we can open the file, prefix it with the preamble
+ * regardless; since we'll be sending a <PRE> block around
+ * the file's contents, any HTML header it had won't end up
+ * where it belongs.
+ */
+ if (apr_open(&f, rr->filename, APR_READ,
+ APR_OS_DEFAULT, r->pool) == APR_SUCCESS) {
+ emit_preamble(r, title);
+ emit_amble = 0;
+ do_emit_plain(r, f);
+ apr_close(f);
+ emit_H1 = 0;
+ }
+ }
+ }
+ }
+
+ if (emit_amble) {
+ emit_preamble(r, title);
+ }
+ if (emit_H1) {
+ ap_rvputs(r, "<H1>Index of ", title, "</H1>\n", NULL);
+ }
+ if (rr != NULL) {
+ ap_destroy_sub_req(rr);
+ }
+}
+
+
+/*
+ * Handle the Readme file through the postamble, inclusive. Locate
+ * the file with a subrequests. Process text/html documents by actually
+ * running the subrequest; text/xxx documents get copied verbatim,
+ * and any other content type is ignored. This means that a non-text
+ * document (such as FOOTER.gif) might get multiviewed as the result
+ * instead of a text document, meaning nothing will be displayed, but
+ * oh well.
+ */
+static void emit_tail(request_rec *r, char *readme_fname, int suppress_amble)
+{
+ apr_file_t *f = NULL;
+ request_rec *rr = NULL;
+ int suppress_post = 0;
+ int suppress_sig = 0;
+
+ /*
+ * If there's a readme file, send a subrequest to look for it. If it's
+ * found and a text file, handle it -- otherwise fall through and
+ * pretend there's nothing there.
+ */
+ if ((readme_fname != NULL)
+ && (rr = ap_sub_req_lookup_uri(readme_fname, r))
+ && (rr->status == HTTP_OK)
+ && (rr->filename != NULL)
+ && rr->finfo.filetype == APR_REG) {
+ /*
+ * Check for the two specific cases we allow: text/html and
+ * text/anything-else. The former is allowed to be processed for
+ * SSIs.
+ */
+ if (rr->content_type != NULL) {
+ if (!strcasecmp(ap_field_noparam(r->pool, rr->content_type),
+ "text/html")) {
+ if (ap_run_sub_req(rr) == OK) {
+ /* worked... */
+ suppress_sig = 1;
+ suppress_post = suppress_amble;
+ }
+ }
+ else if (!strncasecmp("text/", rr->content_type, 5)) {
+ /*
+ * If we can open the file, suppress the signature.
+ */
+ if (apr_open(&f, rr->filename, APR_READ,
+ APR_OS_DEFAULT, r->pool) == APR_SUCCESS) {
+ do_emit_plain(r, f);
+ apr_close(f);
+ suppress_sig = 1;
+ }
+ }
+ }
+ }
+
+ if (!suppress_sig) {
+ ap_rputs(ap_psignature("", r), r);
+ }
+ if (!suppress_post) {
+ ap_rputs("</BODY></HTML>\n", r);
+ }
+ if (rr != NULL) {
+ ap_destroy_sub_req(rr);
+ }
+}
+
+
+static char *find_title(request_rec *r)
+{
+ char titlebuf[MAX_STRING_LEN], *find = "<TITLE>";
+ apr_file_t *thefile = NULL;
+ int x, y, p;
+ apr_ssize_t n;
+
+ if (r->status != HTTP_OK) {
+ return NULL;
+ }
+ if ((r->content_type != NULL)
+ && (!strcasecmp(ap_field_noparam(r->pool, r->content_type),
+ "text/html")
+ || !strcmp(r->content_type, INCLUDES_MAGIC_TYPE))
+ && !r->content_encoding) {
+ if (apr_open(&thefile, r->filename, APR_READ,
+ APR_OS_DEFAULT, r->pool) != APR_SUCCESS) {
+ return NULL;
+ }
+ n = sizeof(char) * (MAX_STRING_LEN - 1);
+ apr_read(thefile, titlebuf, &n);
+ if (n <= 0) {
+ apr_close(thefile);
+ return NULL;
+ }
+ titlebuf[n] = '\0';
+ for (x = 0, p = 0; titlebuf[x]; x++) {
+ if (apr_toupper(titlebuf[x]) == find[p]) {
+ if (!find[++p]) {
+ if ((p = ap_ind(&titlebuf[++x], '<')) != -1) {
+ titlebuf[x + p] = '\0';
+ }
+ /* Scan for line breaks for Tanmoy's secretary */
+ for (y = x; titlebuf[y]; y++) {
+ if ((titlebuf[y] == CR) || (titlebuf[y] == LF)) {
+ if (y == x) {
+ x++;
+ }
+ else {
+ titlebuf[y] = ' ';
+ }
+ }
+ }
+ apr_close(thefile);
+ return apr_pstrdup(r->pool, &titlebuf[x]);
+ }
+ }
+ else {
+ p = 0;
+ }
+ }
+ apr_close(thefile);
+ }
+ return NULL;
+}
+
+static struct ent *make_autoindex_entry(char *name, int autoindex_opts,
+ autoindex_config_rec *d,
+ request_rec *r, char keyid,
+ char direction)
+{
+ struct ent *p;
+
+ if ((name[0] == '.') && (!name[1])) {
+ return (NULL);
+ }
+
+ if (ignore_entry(d, ap_make_full_path(r->pool, r->filename, name))) {
+ return (NULL);
+ }
+
+ p = (struct ent *) apr_pcalloc(r->pool, sizeof(struct ent));
+ p->name = apr_pstrdup(r->pool, name);
+ p->size = -1;
+ p->icon = NULL;
+ p->alt = NULL;
+ p->desc = NULL;
+ p->lm = -1;
+ p->key = apr_toupper(keyid);
+ p->ascending = (apr_toupper(direction) == D_ASCENDING);
+ p->version_sort = autoindex_opts & VERSION_SORT;
+
+ if (autoindex_opts & FANCY_INDEXING) {
+ request_rec *rr = ap_sub_req_lookup_file(name, r);
+
+ if (rr->finfo.protection != 0) {
+ p->lm = rr->finfo.mtime;
+ if (rr->finfo.filetype == APR_DIR) {
+ if (!(p->icon = find_icon(d, rr, 1))) {
+ p->icon = find_default_icon(d, "^^DIRECTORY^^");
+ }
+ if (!(p->alt = find_alt(d, rr, 1))) {
+ p->alt = "DIR";
+ }
+ p->size = -1;
+ p->name = apr_pstrcat(r->pool, name, "/", NULL);
+ }
+ else {
+ p->icon = find_icon(d, rr, 0);
+ p->alt = find_alt(d, rr, 0);
+ p->size = rr->finfo.size;
+ }
+ }
+
+ p->desc = find_desc(d, rr);
+
+ if ((!p->desc) && (autoindex_opts & SCAN_HTML_TITLES)) {
+ p->desc = apr_pstrdup(r->pool, find_title(rr));
+ }
+
+ ap_destroy_sub_req(rr);
+ }
+ /*
+ * We don't need to take any special action for the file size key. If
+ * we did, it would go here.
+ */
+ if (keyid == K_LAST_MOD) {
+ if (p->lm < 0) {
+ p->lm = 0;
+ }
+ }
+ return (p);
+}
+
+static char *terminate_description(autoindex_config_rec *d, char *desc,
+ int autoindex_opts)
+{
+ int maxsize = 23;
+ register int x;
+
+ if (autoindex_opts & SUPPRESS_LAST_MOD) {
+ maxsize += 19;
+ }
+ if (autoindex_opts & SUPPRESS_SIZE) {
+ maxsize += 7;
+ }
+
+ for (x = 0; desc[x] && (maxsize > 0 || desc[x]=='<'); x++) {
+ if (desc[x] == '<') {
+ while (desc[x] != '>') {
+ if (!desc[x]) {
+ maxsize = 0;
+ break;
+ }
+ ++x;
+ }
+ }
+ else if (desc[x] == '&') {
+ /* entities like ä count as one character */
+ --maxsize;
+ for ( ; desc[x] != ';'; ++x) {
+ if (desc[x] == '\0') {
+ maxsize = 0;
+ break;
+ }
+ }
+ }
+ else {
+ --maxsize;
+ }
+ }
+ if (!maxsize && desc[x] != '\0') {
+ desc[x - 1] = '>'; /* Grump. */
+ desc[x] = '\0'; /* Double Grump! */
+ }
+ return desc;
+}
+
+/*
+ * Emit the anchor for the specified field. If a field is the key for the
+ * current request, the link changes its meaning to reverse the order when
+ * selected again. Non-active fields always start in ascending order.
+ */
+static void emit_link(request_rec *r, char *anchor, char fname, char curkey,
+ char curdirection, int nosort)
+{
+ char qvalue[5];
+ int reverse;
+
+ if (!nosort) {
+ qvalue[0] = '?';
+ qvalue[1] = fname;
+ qvalue[2] = '=';
+ qvalue[4] = '\0';
+ reverse = ((curkey == fname) && (curdirection == D_ASCENDING));
+ qvalue[3] = reverse ? D_DESCENDING : D_ASCENDING;
+ ap_rvputs(r, "<A HREF=\"", qvalue, "\">", anchor, "</A>", NULL);
+ }
+ else {
+ ap_rputs(anchor, r);
+ }
+}
+
+static void output_directories(struct ent **ar, int n,
+ autoindex_config_rec *d, request_rec *r,
+ int autoindex_opts, char keyid, char direction)
+{
+ int x;
+ apr_size_t rv;
+ char *name = r->uri;
+ char *tp;
+ int static_columns = (autoindex_opts & SUPPRESS_COLSORT);
+ apr_pool_t *scratch;
+ int name_width;
+ char *name_scratch;
+ char *pad_scratch;
+
+ apr_create_pool(&scratch, r->pool);
+ if (name[0] == '\0') {
+ name = "/";
+ }
+
+ name_width = d->name_width;
+ if (d->name_adjust == K_ADJUST) {
+ for (x = 0; x < n; x++) {
+ int t = strlen(ar[x]->name);
+ if (t > name_width) {
+ name_width = t;
+ }
+ }
+ }
+ name_scratch = apr_palloc(r->pool, name_width + 1);
+ pad_scratch = apr_palloc(r->pool, name_width + 1);
+ memset(pad_scratch, ' ', name_width);
+ pad_scratch[name_width] = '\0';
+
+ if (autoindex_opts & FANCY_INDEXING) {
+ ap_rputs("<PRE>", r);
+ if ((tp = find_default_icon(d, "^^BLANKICON^^"))) {
+ ap_rvputs(r, "<IMG SRC=\"", ap_escape_html(scratch, tp),
+ "\" ALT=\" \"", NULL);
+ if (d->icon_width && d->icon_height) {
+ ap_rprintf
+ (
+ r,
+ " HEIGHT=\"%d\" WIDTH=\"%d\"",
+ d->icon_height,
+ d->icon_width
+ );
+ }
+ ap_rputs("> ", r);
+ }
+ emit_link(r, "Name", K_NAME, keyid, direction, static_columns);
+ ap_rputs(pad_scratch + 4, r);
+ /*
+ * Emit the guaranteed-at-least-one-space-between-columns byte.
+ */
+ ap_rputs(" ", r);
+ if (!(autoindex_opts & SUPPRESS_LAST_MOD)) {
+ emit_link(r, "Last modified", K_LAST_MOD, keyid, direction,
+ static_columns);
+ ap_rputs(" ", r);
+ }
+ if (!(autoindex_opts & SUPPRESS_SIZE)) {
+ emit_link(r, "Size", K_SIZE, keyid, direction, static_columns);
+ ap_rputs(" ", r);
+ }
+ if (!(autoindex_opts & SUPPRESS_DESC)) {
+ emit_link(r, "Description", K_DESC, keyid, direction,
+ static_columns);
+ }
+ ap_rputs("\n<HR>\n", r);
+ }
+ else {
+ ap_rputs("<UL>", r);
+ }
+
+ for (x = 0; x < n; x++) {
+ char *anchor, *t, *t2;
+ int nwidth;
+
+ apr_clear_pool(scratch);
+
+ if (is_parent(ar[x]->name)) {
+ t = ap_make_full_path(scratch, name, "../");
+ ap_getparents(t);
+ if (t[0] == '\0') {
+ t = "/";
+ }
+ t2 = "Parent Directory";
+ anchor = ap_escape_html(scratch, ap_os_escape_path(scratch, t, 0));
+ }
+ else {
+ t = ar[x]->name;
+ t2 = t;
+ anchor = ap_escape_html(scratch, ap_os_escape_path(scratch, t, 0));
+ }
+
+ if (autoindex_opts & FANCY_INDEXING) {
+ if (autoindex_opts & ICONS_ARE_LINKS) {
+ ap_rvputs(r, "<A HREF=\"", anchor, "\">", NULL);
+ }
+ if ((ar[x]->icon) || d->default_icon) {
+ ap_rvputs(r, "<IMG SRC=\"",
+ ap_escape_html(scratch,
+ ar[x]->icon ? ar[x]->icon
+ : d->default_icon),
+ "\" ALT=\"[", (ar[x]->alt ? ar[x]->alt : " "),
+ "]\"", NULL);
+ if (d->icon_width && d->icon_height) {
+ ap_rprintf(r, " HEIGHT=\"%d\" WIDTH=\"%d\"",
+ d->icon_height, d->icon_width);
+ }
+ ap_rputs(">", r);
+ }
+ if (autoindex_opts & ICONS_ARE_LINKS) {
+ ap_rputs("</A>", r);
+ }
+
+ nwidth = strlen(t2);
+ if (nwidth > name_width) {
+ memcpy(name_scratch, t2, name_width - 3);
+ name_scratch[name_width - 3] = '.';
+ name_scratch[name_width - 2] = '.';
+ name_scratch[name_width - 1] = '>';
+ name_scratch[name_width] = 0;
+ t2 = name_scratch;
+ nwidth = name_width;
+ }
+ ap_rvputs(r, " <A HREF=\"", anchor, "\">",
+ ap_escape_html(scratch, t2), "</A>", pad_scratch + nwidth,
+ NULL);
+ /*
+ * The blank before the storm.. er, before the next field.
+ */
+ ap_rputs(" ", r);
+ if (!(autoindex_opts & SUPPRESS_LAST_MOD)) {
+ if (ar[x]->lm != -1) {
+ char time_str[MAX_STRING_LEN];
+ apr_exploded_time_t ts;
+ apr_explode_localtime(&ts, ar[x]->lm);
+ apr_strftime(time_str, &rv, MAX_STRING_LEN,
+ "%d-%b-%Y %H:%M ", &ts);
+ ap_rputs(time_str, r);
+ }
+ else {
+ /*Length="22-Feb-1998 23:42 " (see 4 lines above) */
+ ap_rputs(" ", r);
+ }
+ }
+ if (!(autoindex_opts & SUPPRESS_SIZE)) {
+ ap_send_size(ar[x]->size, r);
+ ap_rputs(" ", r);
+ }
+ if (!(autoindex_opts & SUPPRESS_DESC)) {
+ if (ar[x]->desc) {
+ ap_rputs(terminate_description(d, ar[x]->desc,
+ autoindex_opts), r);
+ }
+ }
+ }
+ else {
+ ap_rvputs(r, "<LI><A HREF=\"", anchor, "\"> ", t2,
+ "</A>", NULL);
+ }
+ ap_rputc('\n', r);
+ }
+ if (autoindex_opts & FANCY_INDEXING) {
+ ap_rputs("</PRE>", r);
+ }
+ else {
+ ap_rputs("</UL>", r);
+ }
+}
+
+/*
+ * Compare two file entries according to the sort criteria. The return
+ * is essentially a signum function value.
+ */
+
+static int dsortf(struct ent **e1, struct ent **e2)
+{
+ struct ent *c1;
+ struct ent *c2;
+ int result = 0;
+
+ /*
+ * First, see if either of the entries is for the parent directory.
+ * If so, that *always* sorts lower than anything else.
+ */
+ if (is_parent((*e1)->name)) {
+ return -1;
+ }
+ if (is_parent((*e2)->name)) {
+ return 1;
+ }
+ /*
+ * All of our comparisons will be of the c1 entry against the c2 one,
+ * so assign them appropriately to take care of the ordering.
+ */
+ if ((*e1)->ascending) {
+ c1 = *e1;
+ c2 = *e2;
+ }
+ else {
+ c1 = *e2;
+ c2 = *e1;
+ }
+
+ switch (c1->key) {
+ case K_LAST_MOD:
+ if (c1->lm > c2->lm) {
+ return 1;
+ }
+ else if (c1->lm < c2->lm) {
+ return -1;
+ }
+ break;
+ case K_SIZE:
+ if (c1->size > c2->size) {
+ return 1;
+ }
+ else if (c1->size < c2->size) {
+ return -1;
+ }
+ break;
+ case K_DESC:
+ if (c1->version_sort)
+ result = apr_strnatcmp(c1->desc ? c1->desc : "", c2->desc ? c2->desc : "");
+ else
+ result = strcmp(c1->desc ? c1->desc : "", c2->desc ? c2->desc : "");
+ if (result) {
+ return result;
+ }
+ break;
+ }
+ if (c1->version_sort)
+ return apr_strnatcmp(c1->name, c2->name);
+ else
+ return strcmp(c1->name, c2->name);
+}
+
+
+static int index_directory(request_rec *r,
+ autoindex_config_rec *autoindex_conf)
+{
+ char *title_name = ap_escape_html(r->pool, r->uri);
+ char *title_endp;
+ char *name = r->filename;
+
+ apr_dir_t *d;
+ apr_status_t status;
+ int num_ent = 0, x;
+ struct ent *head, *p;
+ struct ent **ar = NULL;
+ const char *qstring;
+ int autoindex_opts = autoindex_conf->opts;
+ char keyid;
+ char direction;
+
+ if ((status = apr_opendir(&d, name, r->pool)) != APR_SUCCESS) {
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, status, r,
+ "Can't open directory for index: %s", r->filename);
+ return HTTP_FORBIDDEN;
+ }
+
+#if APR_HAS_UNICODE_FS
+ r->content_type = "text/html;charset=utf-8";
+#else
+ r->content_type = "text/html";
+#endif
+ ap_update_mtime(r, r->finfo.mtime);
+ ap_set_last_modified(r);
+ ap_set_etag(r);
+
+ ap_send_http_header(r);
+
+ if (r->header_only) {
+ apr_closedir(d);
+ return 0;
+ }
+
+ /* Spew HTML preamble */
+
+ title_endp = title_name + strlen(title_name) - 1;
+
+ while (title_endp > title_name && *title_endp == '/') {
+ *title_endp-- = '\0';
+ }
+
+ emit_head(r, find_header(autoindex_conf, r),
+ autoindex_opts & SUPPRESS_PREAMBLE, title_name);
+
+ /*
+ * Figure out what sort of indexing (if any) we're supposed to use.
+ *
+ * If no QUERY_STRING was specified or column sorting has been
+ * explicitly disabled, we use the default specified by the
+ * IndexOrderDefault directive (if there is one); otherwise,
+ * we fall back to ascending by name.
+ */
+ qstring = r->args;
+ if ((autoindex_opts & SUPPRESS_COLSORT)
+ || ((qstring == NULL) || (*qstring == '\0'))) {
+ qstring = autoindex_conf->default_order;
+ }
+ /*
+ * If there is no specific ordering defined for this directory,
+ * default to ascending by filename.
+ */
+ if ((qstring == NULL) || (*qstring == '\0')) {
+ keyid = K_NAME;
+ direction = D_ASCENDING;
+ }
+ else {
+ keyid = *qstring;
+ ap_getword(r->pool, &qstring, '=');
+ if (qstring != '\0') {
+ direction = *qstring;
+ }
+ else {
+ direction = D_ASCENDING;
+ }
+ }
+
+ /*
+ * Since we don't know how many dir. entries there are, put them into a
+ * linked list and then arrayificate them so qsort can use them.
+ */
+ head = NULL;
+ while (apr_readdir(d) == APR_SUCCESS) {
+ char *d_name;
+ apr_get_dir_filename(&d_name, d);
+ p = make_autoindex_entry(d_name, autoindex_opts,
+ autoindex_conf, r, keyid, direction);
+ if (p != NULL) {
+ p->next = head;
+ head = p;
+ num_ent++;
+ }
+ }
+ if (num_ent > 0) {
+ ar = (struct ent **) apr_palloc(r->pool,
+ num_ent * sizeof(struct ent *));
+ p = head;
+ x = 0;
+ while (p) {
+ ar[x++] = p;
+ p = p->next;
+ }
+
+ qsort((void *) ar, num_ent, sizeof(struct ent *),
+ (int (*)(const void *, const void *)) dsortf);
+ }
+ output_directories(ar, num_ent, autoindex_conf, r, autoindex_opts, keyid,
+ direction);
+ apr_closedir(d);
+
+ if (autoindex_opts & FANCY_INDEXING) {
+ ap_rputs("<HR>\n", r);
+ }
+ emit_tail(r, find_readme(autoindex_conf, r),
+ autoindex_opts & SUPPRESS_PREAMBLE);
+
+ return 0;
+}
+
+/* The formal handler... */
+
+static int handle_autoindex(request_rec *r)
+{
+ autoindex_config_rec *d;
+ int allow_opts = ap_allow_options(r);
+
+ d = (autoindex_config_rec *) ap_get_module_config(r->per_dir_config,
+ &autoindex_module);
+
+ r->allowed |= (1 << M_GET);
+ if (r->method_number != M_GET) {
+ return DECLINED;
+ }
+
+ /* OK, nothing easy. Trot out the heavy artillery... */
+
+ if (allow_opts & OPT_INDEXES) {
+ /* KLUDGE --- make the sub_req lookups happen in the right directory.
+ * Fixing this in the sub_req_lookup functions themselves is difficult,
+ * and would probably break virtual includes...
+ */
+
+ if (r->filename[strlen(r->filename) - 1] != '/') {
+ r->filename = apr_pstrcat(r->pool, r->filename, "/", NULL);
+ }
+ return index_directory(r, d);
+ }
+ else {
+ ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
+ "Directory index forbidden by rule: %s", r->filename);
+ return HTTP_FORBIDDEN;
+ }
+}
+
+
+static const handler_rec autoindex_handlers[] =
+{
+ {DIR_MAGIC_TYPE, handle_autoindex},
+ {NULL}
+};
+
+module AP_MODULE_DECLARE_DATA autoindex_module =
+{
+ STANDARD20_MODULE_STUFF,
+ create_autoindex_config, /* dir config creater */
+ merge_autoindex_configs, /* dir merger --- default is to override */
+ NULL, /* server config */
+ NULL, /* merge server config */
+ autoindex_cmds, /* command apr_table_t */
+ autoindex_handlers, /* handlers */
+ NULL /* register hooks */
+};
projects / apache / commitdiff