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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 06:33:50 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 06:33:50 +0000
commitfe39ffb8b90ae4e002ed73fe98617cd590abb467 (patch)
treeb80e5956907d8aeaaffe4e4f0c068c0e6157ce8b /modules/generators/mod_autoindex.c
parentInitial commit. (diff)
downloadapache2-fe39ffb8b90ae4e002ed73fe98617cd590abb467.tar.xz
apache2-fe39ffb8b90ae4e002ed73fe98617cd590abb467.zip
Adding upstream version 2.4.56.upstream/2.4.56
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--modules/generators/mod_autoindex.c2350
1 files changed, 2350 insertions, 0 deletions
diff --git a/modules/generators/mod_autoindex.c b/modules/generators/mod_autoindex.c
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+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * 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 "apr_fnmatch.h"
+#include "apr_strings.h"
+#include "apr_lib.h"
+
+#define APR_WANT_STRFUNC
+#include "apr_want.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 "mod_core.h"
+
+module AP_MODULE_DECLARE_DATA autoindex_module;
+
+/****************************************************************
+ *
+ * Handling configuration directives...
+ */
+
+#define NO_OPTIONS (1 << 0) /* Indexing options */
+#define ICONS_ARE_LINKS (1 << 1)
+#define SCAN_HTML_TITLES (1 << 2)
+#define SUPPRESS_ICON (1 << 3)
+#define SUPPRESS_LAST_MOD (1 << 4)
+#define SUPPRESS_SIZE (1 << 5)
+#define SUPPRESS_DESC (1 << 6)
+#define SUPPRESS_PREAMBLE (1 << 7)
+#define SUPPRESS_COLSORT (1 << 8)
+#define SUPPRESS_RULES (1 << 9)
+#define FOLDERS_FIRST (1 << 10)
+#define VERSION_SORT (1 << 11)
+#define TRACK_MODIFIED (1 << 12)
+#define FANCY_INDEXING (1 << 13)
+#define TABLE_INDEXING (1 << 14)
+#define IGNORE_CLIENT (1 << 15)
+#define IGNORE_CASE (1 << 16)
+#define EMIT_XHTML (1 << 17)
+#define SHOW_FORBIDDEN (1 << 18)
+#define ADDALTCLASS (1 << 19)
+#define OPTION_UNSET (1 << 20)
+
+#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 K_VALID "NMSD" /* String containing _all_ valid K_ opts */
+
+#define D_ASCENDING 'A'
+#define D_DESCENDING 'D'
+#define D_VALID "AD" /* String containing _all_ valid D_ opts */
+
+/*
+ * 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
+#define DEFAULT_DESC_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;
+ char *style_sheet;
+ char *head_insert;
+ char *header;
+ char *readme;
+ apr_int32_t opts;
+ apr_int32_t incremented_opts;
+ apr_int32_t decremented_opts;
+ int name_width;
+ int name_adjust;
+ int desc_width;
+ int desc_adjust;
+ int icon_width;
+ int icon_height;
+ char default_keyid;
+ char default_direction;
+
+ apr_array_header_t *icon_list;
+ apr_array_header_t *alt_list;
+ apr_array_header_t *desc_list;
+ apr_array_header_t *ign_list;
+ int ign_noinherit;
+
+ char *ctype;
+ char *charset;
+ char *datetime_format;
+} 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
+
+static APR_INLINE int response_is_html(request_rec *r)
+{
+ char *ctype = ap_field_noparam(r->pool, r->content_type);
+
+ return !ap_cstr_casecmp(ctype, "text/html")
+ || !ap_cstr_casecmp(ctype, "application/xhtml+xml");
+}
+
+/*
+ * 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, int xhtml, const char *title)
+{
+ autoindex_config_rec *d;
+
+ d = (autoindex_config_rec *) ap_get_module_config(r->per_dir_config,
+ &autoindex_module);
+
+ if (xhtml) {
+ ap_rvputs(r, DOCTYPE_XHTML_1_0T,
+ "<html xmlns=\"http://www.w3.org/1999/xhtml\">\n"
+ " <head>\n <title>Index of ", title,
+ "</title>\n", NULL);
+ } else {
+ ap_rvputs(r, DOCTYPE_HTML_3_2,
+ "<html>\n <head>\n"
+ " <title>Index of ", title,
+ "</title>\n", NULL);
+ }
+
+ if (d->style_sheet != NULL) {
+ ap_rvputs(r, " <link rel=\"stylesheet\" href=\"", d->style_sheet,
+ "\" type=\"text/css\"", xhtml ? " />\n" : ">\n", NULL);
+ }
+ if (d->head_insert != NULL) {
+ ap_rputs(d->head_insert, r);
+ }
+ ap_rputs(" </head>\n <body>\n", r);
+}
+
+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_array_push(arr);
+
+ if (!to) {
+ to = "";
+ }
+ if (!path) {
+ path = "";
+ }
+
+ p->type = type;
+ p->data = apr_pstrdup(arr->pool, data);
+ p->apply_path = apr_pstrcat(arr->pool, path, "*", NULL);
+
+ if ((type == BY_PATH) && (!ap_is_matchexp(to))) {
+ p->apply_to = apr_pstrcat(arr->pool, "*", to, NULL);
+ }
+ else {
+ p->apply_to = apr_pstrdup(arr->pool, to);
+ }
+}
+
+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->temp_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->temp_pool, icon);
+
+ if (icon[0] == '(') {
+ char *alt;
+ char *cl = strchr(iconbak, ')');
+
+ if (cl == NULL) {
+ return "missing closing paren";
+ }
+ alt = ap_getword_nc(cmd->temp_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->temp_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_array_push(dcfg->desc_list);
+ desc_entry->full_path = (ap_strchr_c(to, '/') == NULL) ? 0 : 1;
+ desc_entry->wildcards = (WILDCARDS_REQUIRED
+ || desc_entry->full_path
+ || apr_fnmatch_test(to));
+ if (desc_entry->wildcards) {
+ prefix = desc_entry->full_path ? "*/" : "*";
+ desc_entry->pattern = apr_pstrcat(dcfg->desc_list->pool,
+ prefix, to, "*", NULL);
+ }
+ else {
+ desc_entry->pattern = apr_pstrdup(dcfg->desc_list->pool, to);
+ }
+ desc_entry->description = apr_pstrdup(dcfg->desc_list->pool, 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_opts(cmd_parms *cmd, void *d, int argc, char *const argv[])
+{
+ int i;
+ char *w;
+ apr_int32_t opts;
+ apr_int32_t opts_add;
+ apr_int32_t 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;
+
+ for (i = 0; i < argc; i++) {
+ int option = 0;
+ w = argv[i];
+
+ if ((*w == '+') || (*w == '-')) {
+ action = *(w++);
+ }
+ else {
+ action = '\0';
+ }
+ if (!strcasecmp(w, "FancyIndexing")) {
+ option = FANCY_INDEXING;
+ }
+ else if (!strcasecmp(w, "FoldersFirst")) {
+ option = FOLDERS_FIRST;
+ }
+ else if (!strcasecmp(w, "HTMLTable")) {
+ option = TABLE_INDEXING;
+ }
+ else if (!strcasecmp(w, "IconsAreLinks")) {
+ option = ICONS_ARE_LINKS;
+ }
+ else if (!strcasecmp(w, "IgnoreCase")) {
+ option = IGNORE_CASE;
+ }
+ else if (!strcasecmp(w, "IgnoreClient")) {
+ option = IGNORE_CLIENT;
+ }
+ else if (!strcasecmp(w, "ScanHTMLTitles")) {
+ option = SCAN_HTML_TITLES;
+ }
+ else if (!strcasecmp(w, "SuppressColumnSorting")) {
+ option = SUPPRESS_COLSORT;
+ }
+ else if (!strcasecmp(w, "SuppressDescription")) {
+ option = SUPPRESS_DESC;
+ }
+ else if (!strcasecmp(w, "SuppressHTMLPreamble")) {
+ option = SUPPRESS_PREAMBLE;
+ }
+ else if (!strcasecmp(w, "SuppressIcon")) {
+ option = SUPPRESS_ICON;
+ }
+ else if (!strcasecmp(w, "SuppressLastModified")) {
+ option = SUPPRESS_LAST_MOD;
+ }
+ else if (!strcasecmp(w, "SuppressSize")) {
+ option = SUPPRESS_SIZE;
+ }
+ else if (!strcasecmp(w, "SuppressRules")) {
+ option = SUPPRESS_RULES;
+ }
+ else if (!strcasecmp(w, "TrackModified")) {
+ option = TRACK_MODIFIED;
+ }
+ else if (!strcasecmp(w, "VersionSort")) {
+ option = VERSION_SORT;
+ }
+ else if (!strcasecmp(w, "XHTML")) {
+ option = EMIT_XHTML;
+ }
+ else if (!strcasecmp(w, "ShowForbidden")) {
+ option = SHOW_FORBIDDEN;
+ }
+ else if (!strcasecmp(w, "AddAltClass")) {
+ option = ADDALTCLASS;
+ }
+ 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 && (width < 5)) {
+ return "NameWidth value must be greater than 5";
+ }
+ d_cfg->name_width = width;
+ d_cfg->name_adjust = K_NOADJUST;
+ }
+ }
+ else if (!strcasecmp(w, "DescriptionWidth")) {
+ if (action != '-') {
+ return "DescriptionWidth with no value may only appear as "
+ "'-DescriptionWidth'";
+ }
+ d_cfg->desc_width = DEFAULT_DESC_WIDTH;
+ d_cfg->desc_adjust = K_NOADJUST;
+ }
+ else if (!strncasecmp(w, "DescriptionWidth=", 17)) {
+ if (action == '-') {
+ return "Cannot combine '-' with DescriptionWidth=n";
+ }
+ if (w[17] == '*') {
+ d_cfg->desc_adjust = K_ADJUST;
+ }
+ else {
+ int width = atoi(&w[17]);
+
+ if (width && (width < 12)) {
+ return "DescriptionWidth value must be greater than 12";
+ }
+ d_cfg->desc_width = width;
+ d_cfg->desc_adjust = K_NOADJUST;
+ }
+ }
+ else if (!strncasecmp(w, "Type=", 5)) {
+ d_cfg->ctype = apr_pstrdup(cmd->pool, &w[5]);
+ }
+ else if (!strncasecmp(w, "Charset=", 8)) {
+ d_cfg->charset = apr_pstrdup(cmd->pool, &w[8]);
+ }
+ else if (!strcasecmp(w, "UseOldDateFormat")) {
+ d_cfg->datetime_format = "%d-%b-%Y %H:%M";
+ }
+ 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)
+{
+ autoindex_config_rec *d_cfg = (autoindex_config_rec *) m;
+
+ if (!strcasecmp(direction, "Ascending")) {
+ d_cfg->default_direction = D_ASCENDING;
+ }
+ else if (!strcasecmp(direction, "Descending")) {
+ d_cfg->default_direction = D_DESCENDING;
+ }
+ else {
+ return "First keyword must be 'Ascending' or 'Descending'";
+ }
+
+ if (!strcasecmp(key, "Name")) {
+ d_cfg->default_keyid = K_NAME;
+ }
+ else if (!strcasecmp(key, "Date")) {
+ d_cfg->default_keyid = K_LAST_MOD;
+ }
+ else if (!strcasecmp(key, "Size")) {
+ d_cfg->default_keyid = K_SIZE;
+ }
+ else if (!strcasecmp(key, "Description")) {
+ d_cfg->default_keyid = K_DESC;
+ }
+ else {
+ return "Second keyword must be 'Name', 'Date', 'Size', or "
+ "'Description'";
+ }
+
+ 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_TAKE_ARGV("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_FLAG("IndexIgnoreReset", ap_set_flag_slot,
+ (void *)APR_OFFSETOF(autoindex_config_rec, ign_noinherit),
+ DIR_CMD_PERMS,
+ "Reset the inherited list of IndexIgnore filenames"),
+ AP_INIT_ITERATE2("AddDescription", add_desc, BY_PATH, DIR_CMD_PERMS,
+ "Descriptive text followed by one or more filenames"),
+ AP_INIT_TAKE1("HeaderName", ap_set_string_slot,
+ (void *)APR_OFFSETOF(autoindex_config_rec, header),
+ DIR_CMD_PERMS, "a filename"),
+ AP_INIT_TAKE1("ReadmeName", ap_set_string_slot,
+ (void *)APR_OFFSETOF(autoindex_config_rec, readme),
+ DIR_CMD_PERMS, "a filename"),
+ AP_INIT_RAW_ARGS("FancyIndexing", ap_set_deprecated, NULL, OR_ALL,
+ "The FancyIndexing directive is no longer supported. "
+ "Use IndexOptions FancyIndexing."),
+ AP_INIT_TAKE1("DefaultIcon", ap_set_string_slot,
+ (void *)APR_OFFSETOF(autoindex_config_rec, default_icon),
+ DIR_CMD_PERMS, "an icon URL"),
+ AP_INIT_TAKE1("IndexStyleSheet", ap_set_string_slot,
+ (void *)APR_OFFSETOF(autoindex_config_rec, style_sheet),
+ DIR_CMD_PERMS, "URL to style sheet"),
+ AP_INIT_TAKE1("IndexHeadInsert", ap_set_string_slot,
+ (void *)APR_OFFSETOF(autoindex_config_rec, head_insert),
+ DIR_CMD_PERMS, "String to insert in HTML HEAD section"),
+ {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->desc_width = DEFAULT_DESC_WIDTH;
+ new->desc_adjust = K_UNSET;
+ new->icon_list = apr_array_make(p, 4, sizeof(struct item));
+ new->alt_list = apr_array_make(p, 4, sizeof(struct item));
+ new->desc_list = apr_array_make(p, 4, sizeof(ai_desc_t));
+ new->ign_list = apr_array_make(p, 4, sizeof(struct item));
+ new->opts = OPTION_UNSET;
+ new->incremented_opts = 0;
+ new->decremented_opts = 0;
+ new->default_keyid = '\0';
+ new->default_direction = '\0';
+
+ 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->style_sheet = add->style_sheet ? add->style_sheet
+ : base->style_sheet;
+ new->head_insert = add->head_insert ? add->head_insert
+ : base->head_insert;
+ new->header = add->header ? add->header
+ : base->header;
+ new->readme = add->readme ? add->readme
+ : base->readme;
+ 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->ctype = add->ctype ? add->ctype : base->ctype;
+ new->charset = add->charset ? add->charset : base->charset;
+ new->datetime_format = add->datetime_format ? add->datetime_format : base->datetime_format;
+
+ new->alt_list = apr_array_append(p, add->alt_list, base->alt_list);
+ new->desc_list = apr_array_append(p, add->desc_list, base->desc_list);
+ new->icon_list = apr_array_append(p, add->icon_list, base->icon_list);
+ new->ign_list = add->ign_noinherit ? add->ign_list : apr_array_append(p, add->ign_list, base->ign_list);
+ if (add->opts == NO_OPTIONS) {
+ /*
+ * If the current directory explicitly 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 == OPTION_UNSET) {
+ 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;
+ }
+
+ /*
+ * Likewise for DescriptionWidth.
+ */
+ if (add->desc_adjust == K_UNSET) {
+ new->desc_width = base->desc_width;
+ new->desc_adjust = base->desc_adjust;
+ }
+ else {
+ new->desc_width = add->desc_width;
+ new->desc_adjust = add->desc_adjust;
+ }
+
+ new->default_keyid = add->default_keyid ? add->default_keyid
+ : base->default_keyid;
+ new->default_direction = add->default_direction ? add->default_direction
+ : base->default_direction;
+ 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;
+ apr_off_t size;
+ apr_time_t lm;
+ struct ent *next;
+ int ascending, ignore_case, version_sort;
+ char key;
+ int isdir;
+};
+
+static char *find_item(const char *content_type, const char *content_encoding,
+ char *path, apr_array_header_t *list, int path_only)
+{
+ 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;
+}
+
+static char *find_item_by_request(request_rec *r, apr_array_header_t *list, int path_only)
+{
+ return find_item(ap_field_noparam(r->pool, r->content_type),
+ r->content_encoding, r->filename, list, path_only);
+}
+
+#define find_icon(d,p,t) find_item_by_request(p,d->icon_list,t)
+#define find_alt(d,p,t) find_item_by_request(p,d->alt_list,t)
+#define find_default_icon(d,n) find_item(NULL, NULL, n, d->icon_list, 1)
+#define find_default_alt(d,n) find_item(NULL, NULL, n, d->alt_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 APR_FNM_CASE_BLIND
+#else
+#define MATCH_FLAGS 0
+#endif
+
+static char *find_desc(autoindex_config_rec *dcfg, const char *filename_full)
+{
+ int i;
+ ai_desc_t *list = (ai_desc_t *) dcfg->desc_list->elts;
+ 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[AP_IOBUFSIZE + 1];
+ int ch;
+ apr_size_t i, c, n;
+ apr_status_t rv;
+
+ ap_rputs("<pre>\n", r);
+ while (!apr_file_eof(f)) {
+ do {
+ n = sizeof(char) * AP_IOBUFSIZE;
+ rv = apr_file_read(f, buf, &n);
+ } while (APR_STATUS_IS_EINTR(rv));
+ if (n == 0 || rv != APR_SUCCESS) {
+ /* ###: better error here? */
+ 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("&lt;", r);
+ }
+ else if (ch == '>') {
+ ap_rputs("&gt;", r);
+ }
+ else if (ch == '&') {
+ ap_rputs("&amp;", 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,
+ int emit_xhtml, char *title)
+{
+ autoindex_config_rec *d;
+ apr_table_t *hdrs = r->headers_in;
+ apr_file_t *f = NULL;
+ request_rec *rr = NULL;
+ int emit_amble = 1;
+ int emit_H1 = 1;
+ const char *r_accept;
+ const char *r_accept_enc;
+
+ /*
+ * If there's a header file, send a subrequest to look for it. If it's
+ * found and html do the subrequest, otherwise handle it
+ */
+ r_accept = apr_table_get(hdrs, "Accept");
+ r_accept_enc = apr_table_get(hdrs, "Accept-Encoding");
+ apr_table_setn(hdrs, "Accept", "text/html, text/plain");
+ apr_table_unset(hdrs, "Accept-Encoding");
+
+
+ if ((header_fname != NULL) && r->args) {
+ header_fname = apr_pstrcat(r->pool, header_fname, "?", r->args, NULL);
+ }
+
+ if ((header_fname != NULL)
+ && (rr = ap_sub_req_lookup_uri(header_fname, r, r->output_filters))
+ && (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 (response_is_html(rr)) {
+ ap_filter_t *f;
+ /* Hope everything will work... */
+ emit_amble = 0;
+ emit_H1 = 0;
+
+ if (! suppress_amble) {
+ emit_preamble(r, emit_xhtml, title);
+ }
+ /* This is a hack, but I can't find any better way to do this.
+ * The problem is that we have already created the sub-request,
+ * but we just inserted the OLD_WRITE filter, and the
+ * sub-request needs to pass its data through the OLD_WRITE
+ * filter, or things go horribly wrong (missing data, data in
+ * the wrong order, etc). To fix it, if you create a
+ * sub-request and then insert the OLD_WRITE filter before you
+ * run the request, you need to make sure that the sub-request
+ * data goes through the OLD_WRITE filter. Just steal this
+ * code. The long-term solution is to remove the ap_r*
+ * functions.
+ */
+ for (f=rr->output_filters;
+ f->frec != ap_subreq_core_filter_handle; f = f->next);
+ f->next = r->output_filters;
+
+ /*
+ * 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 (!ap_cstr_casecmpn("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_file_open(&f, rr->filename, APR_READ,
+ APR_OS_DEFAULT, r->pool) == APR_SUCCESS) {
+ emit_preamble(r, emit_xhtml, title);
+ emit_amble = 0;
+ do_emit_plain(r, f);
+ apr_file_close(f);
+ emit_H1 = 0;
+ }
+ }
+ }
+ }
+
+ if (r_accept) {
+ apr_table_setn(hdrs, "Accept", r_accept);
+ }
+ else {
+ apr_table_unset(hdrs, "Accept");
+ }
+
+ if (r_accept_enc) {
+ apr_table_setn(hdrs, "Accept-Encoding", r_accept_enc);
+ }
+
+ if (emit_amble) {
+ emit_preamble(r, emit_xhtml, title);
+ }
+
+ d = (autoindex_config_rec *) ap_get_module_config(r->per_dir_config, &autoindex_module);
+
+ if (emit_H1) {
+ if (d->style_sheet != NULL) {
+ /* Insert style id if stylesheet used */
+ ap_rvputs(r, " <h1 id=\"indextitle\">Index of ", title, "</h1>\n", NULL);
+ } else {
+ 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, r->output_filters))
+ && (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 (response_is_html(rr)) {
+ ap_filter_t *f;
+ for (f=rr->output_filters;
+ f->frec != ap_subreq_core_filter_handle; f = f->next);
+ f->next = r->output_filters;
+
+
+ if (ap_run_sub_req(rr) == OK) {
+ /* worked... */
+ suppress_sig = 1;
+ suppress_post = suppress_amble;
+ }
+ }
+ else if (!ap_cstr_casecmpn("text/", rr->content_type, 5)) {
+ /*
+ * If we can open the file, suppress the signature.
+ */
+ if (apr_file_open(&f, rr->filename, APR_READ,
+ APR_OS_DEFAULT, r->pool) == APR_SUCCESS) {
+ do_emit_plain(r, f);
+ apr_file_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_size_t n;
+
+ if (r->status != HTTP_OK) {
+ return NULL;
+ }
+ if ((r->content_type != NULL)
+ && (response_is_html(r)
+ || !strcmp(r->content_type, INCLUDES_MAGIC_TYPE))
+ && !r->content_encoding) {
+ if (apr_file_open(&thefile, r->filename, APR_READ,
+ APR_OS_DEFAULT, r->pool) != APR_SUCCESS) {
+ return NULL;
+ }
+ n = sizeof(char) * (MAX_STRING_LEN - 1);
+ apr_file_read(thefile, titlebuf, &n);
+ if (n == 0) {
+ apr_file_close(thefile);
+ return NULL;
+ }
+ titlebuf[n] = '\0';
+ for (x = 0, p = 0; titlebuf[x]; x++) {
+ if (apr_tolower(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_file_close(thefile);
+ return apr_pstrdup(r->pool, &titlebuf[x]);
+ }
+ }
+ else {
+ p = 0;
+ }
+ }
+ apr_file_close(thefile);
+ }
+ return NULL;
+}
+
+static struct ent *make_parent_entry(apr_int32_t autoindex_opts,
+ autoindex_config_rec *d,
+ request_rec *r, char keyid,
+ char direction)
+{
+ struct ent *p = (struct ent *) apr_pcalloc(r->pool, sizeof(struct ent));
+ char *testpath;
+ /*
+ * p->name is now the true parent URI.
+ * testpath is a crafted lie, so that the syntax '/some/..'
+ * (or simply '..')be used to describe 'up' from '/some/'
+ * when processeing IndexIgnore, and Icon|Alt|Desc configs.
+ */
+
+ /* The output has always been to the parent. Don't make ourself
+ * our own parent (worthless cyclical reference).
+ */
+ if (!(p->name = ap_make_full_path(r->pool, r->uri, "../"))) {
+ return (NULL);
+ }
+ if (!ap_normalize_path(p->name, AP_NORMALIZE_ALLOW_RELATIVE |
+ AP_NORMALIZE_NOT_ABOVE_ROOT)
+ || p->name[0] == '\0') {
+ return (NULL);
+ }
+
+ /* IndexIgnore has always compared "/thispath/.." */
+ testpath = ap_make_full_path(r->pool, r->filename, "..");
+ if (ignore_entry(d, testpath)) {
+ return (NULL);
+ }
+
+ p->size = -1;
+ 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) {
+ if (!(p->icon = find_default_icon(d, testpath))) {
+ p->icon = find_default_icon(d, "^^DIRECTORY^^");
+ }
+ if (!(p->alt = find_default_alt(d, testpath))) {
+ if (!(p->alt = find_default_alt(d, "^^DIRECTORY^^"))) {
+ /* Special alt text for parent dir to distinguish it from other directories
+ this is essential when trying to style this dir entry via AddAltClass */
+ p->alt = "PARENTDIR";
+ }
+ }
+ p->desc = find_desc(d, testpath);
+ }
+ return p;
+}
+
+static struct ent *make_autoindex_entry(const apr_finfo_t *dirent,
+ int autoindex_opts,
+ autoindex_config_rec *d,
+ request_rec *r, char keyid,
+ char direction,
+ const char *pattern)
+{
+ request_rec *rr;
+ struct ent *p;
+ int show_forbidden = 0;
+
+ /* Dot is ignored, Parent is handled by make_parent_entry() */
+ if ((dirent->name[0] == '.') && (!dirent->name[1]
+ || ((dirent->name[1] == '.') && !dirent->name[2])))
+ return (NULL);
+
+ /*
+ * 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 (pattern && (apr_fnmatch(pattern, dirent->name,
+ APR_FNM_NOESCAPE | APR_FNM_PERIOD
+#ifdef CASE_BLIND_FILESYSTEM
+ | APR_FNM_CASE_BLIND
+#endif
+ )
+ != APR_SUCCESS)) {
+ return (NULL);
+ }
+
+ if (ignore_entry(d, ap_make_full_path(r->pool,
+ r->filename, dirent->name))) {
+ return (NULL);
+ }
+
+ if (!(rr = ap_sub_req_lookup_dirent(dirent, r, AP_SUBREQ_NO_ARGS, NULL))) {
+ return (NULL);
+ }
+
+ if ((autoindex_opts & SHOW_FORBIDDEN)
+ && (rr->status == HTTP_UNAUTHORIZED || rr->status == HTTP_FORBIDDEN)) {
+ show_forbidden = 1;
+ }
+
+ if ((rr->finfo.filetype != APR_DIR && rr->finfo.filetype != APR_REG)
+ || !(rr->status == OK || ap_is_HTTP_SUCCESS(rr->status)
+ || ap_is_HTTP_REDIRECT(rr->status)
+ || show_forbidden == 1)) {
+ ap_destroy_sub_req(rr);
+ return (NULL);
+ }
+
+ p = (struct ent *) apr_pcalloc(r->pool, sizeof(struct ent));
+ if (dirent->filetype == APR_DIR) {
+ p->name = apr_pstrcat(r->pool, dirent->name, "/", NULL);
+ }
+ else {
+ p->name = apr_pstrdup(r->pool, dirent->name);
+ }
+ p->size = -1;
+ p->icon = NULL;
+ p->alt = NULL;
+ p->desc = NULL;
+ p->lm = -1;
+ p->isdir = 0;
+ p->key = apr_toupper(keyid);
+ p->ascending = (apr_toupper(direction) == D_ASCENDING);
+ p->version_sort = !!(autoindex_opts & VERSION_SORT);
+ p->ignore_case = !!(autoindex_opts & IGNORE_CASE);
+
+ if (autoindex_opts & (FANCY_INDEXING | TABLE_INDEXING)) {
+ p->lm = rr->finfo.mtime;
+ if (dirent->filetype == APR_DIR) {
+ if (autoindex_opts & FOLDERS_FIRST) {
+ p->isdir = 1;
+ }
+ rr->filename = ap_make_dirstr_parent (rr->pool, rr->filename);
+
+ /* omit the trailing slash (1.3 compat) */
+ rr->filename[strlen(rr->filename) - 1] = '\0';
+
+ if (!(p->icon = find_icon(d, rr, 1))) {
+ p->icon = find_default_icon(d, "^^DIRECTORY^^");
+ }
+ if (!(p->alt = find_alt(d, rr, 1))) {
+ if (!(p->alt = find_default_alt(d, "^^DIRECTORY^^"))) {
+ p->alt = "DIR";
+ }
+ }
+ }
+ 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->filename);
+
+ 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,
+ apr_int32_t autoindex_opts, int desc_width)
+{
+ int maxsize = desc_width;
+ int x;
+
+ /*
+ * If there's no DescriptionWidth in effect, default to the old
+ * behaviour of adjusting the description size depending upon
+ * what else is being displayed. Otherwise, stick with the
+ * setting.
+ */
+ if (d->desc_adjust == K_UNSET) {
+ if (autoindex_opts & SUPPRESS_ICON) {
+ maxsize += 6;
+ }
+ 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 &auml; 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, const char *anchor, char column,
+ char curkey, char curdirection,
+ const char *colargs, int nosort)
+{
+ if (!nosort) {
+ char qvalue[9];
+
+ qvalue[0] = '?';
+ qvalue[1] = 'C';
+ qvalue[2] = '=';
+ qvalue[3] = column;
+ qvalue[4] = ';';
+ qvalue[5] = 'O';
+ qvalue[6] = '=';
+ /* reverse? */
+ qvalue[7] = ((curkey == column) && (curdirection == D_ASCENDING))
+ ? D_DESCENDING : D_ASCENDING;
+ qvalue[8] = '\0';
+ ap_rvputs(r, "<a href=\"", qvalue, colargs ? colargs : "",
+ "\">", anchor, "</a>", NULL);
+ }
+ else {
+ ap_rputs(anchor, r);
+ }
+}
+
+static void output_directories(struct ent **ar, int n,
+ autoindex_config_rec *d, request_rec *r,
+ apr_int32_t autoindex_opts, char keyid,
+ char direction, const char *colargs)
+{
+ int x;
+ apr_size_t rv;
+ char *tp;
+ int static_columns = !!(autoindex_opts & SUPPRESS_COLSORT);
+ apr_pool_t *scratch;
+ int name_width;
+ int desc_width;
+ char *datetime_format;
+ char *name_scratch;
+ char *pad_scratch;
+ char *breakrow = "";
+
+ apr_pool_create(&scratch, r->pool);
+ apr_pool_tag(scratch, "autoindex_scratch");
+
+ name_width = d->name_width;
+ desc_width = d->desc_width;
+ datetime_format = d->datetime_format ? d->datetime_format : "%Y-%m-%d %H:%M";
+
+ if ((autoindex_opts & (FANCY_INDEXING | TABLE_INDEXING))
+ == FANCY_INDEXING) {
+ 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;
+ }
+ }
+ }
+
+ if (d->desc_adjust == K_ADJUST) {
+ for (x = 0; x < n; x++) {
+ if (ar[x]->desc != NULL) {
+ int t = strlen(ar[x]->desc);
+ if (t > desc_width) {
+ desc_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 & TABLE_INDEXING) {
+ int cols = 1;
+ if (d->style_sheet != NULL) {
+ /* Emit table with style id */
+ ap_rputs(" <table id=\"indexlist\">\n <tr class=\"indexhead\">", r);
+ } else {
+ ap_rputs(" <table>\n <tr>", r);
+ }
+ if (!(autoindex_opts & SUPPRESS_ICON)) {
+ ap_rvputs(r, "<th", (d->style_sheet != NULL) ? " class=\"indexcolicon\">" : " valign=\"top\">", NULL);
+ if ((tp = find_default_icon(d, "^^BLANKICON^^"))) {
+ ap_rvputs(r, "<img src=\"", ap_escape_html(scratch, tp),
+ "\" alt=\"[ICO]\"", NULL);
+ if (d->icon_width) {
+ ap_rprintf(r, " width=\"%d\"", d->icon_width);
+ }
+ if (d->icon_height) {
+ ap_rprintf(r, " height=\"%d\"", d->icon_height);
+ }
+
+ if (autoindex_opts & EMIT_XHTML) {
+ ap_rputs(" /", r);
+ }
+ ap_rputs("></th>", r);
+ }
+ else {
+ ap_rputs("&nbsp;</th>", r);
+ }
+
+ ++cols;
+ }
+ ap_rvputs(r, "<th", (d->style_sheet != NULL) ? " class=\"indexcolname\">" : ">", NULL);
+ emit_link(r, "Name", K_NAME, keyid, direction,
+ colargs, static_columns);
+ if (!(autoindex_opts & SUPPRESS_LAST_MOD)) {
+ ap_rvputs(r, "</th><th", (d->style_sheet != NULL) ? " class=\"indexcollastmod\">" : ">", NULL);
+ emit_link(r, "Last modified", K_LAST_MOD, keyid, direction,
+ colargs, static_columns);
+ ++cols;
+ }
+ if (!(autoindex_opts & SUPPRESS_SIZE)) {
+ ap_rvputs(r, "</th><th", (d->style_sheet != NULL) ? " class=\"indexcolsize\">" : ">", NULL);
+ emit_link(r, "Size", K_SIZE, keyid, direction,
+ colargs, static_columns);
+ ++cols;
+ }
+ if (!(autoindex_opts & SUPPRESS_DESC)) {
+ ap_rvputs(r, "</th><th", (d->style_sheet != NULL) ? " class=\"indexcoldesc\">" : ">", NULL);
+ emit_link(r, "Description", K_DESC, keyid, direction,
+ colargs, static_columns);
+ ++cols;
+ }
+ if (!(autoindex_opts & SUPPRESS_RULES)) {
+ breakrow = apr_psprintf(r->pool,
+ " <tr%s><th colspan=\"%d\">"
+ "<hr%s></th></tr>\n",
+ (d->style_sheet != NULL) ? " class=\"indexbreakrow\"" : "",
+ cols,
+ (autoindex_opts & EMIT_XHTML) ? " /" : "");
+ }
+ ap_rvputs(r, "</th></tr>\n", breakrow, NULL);
+ }
+ else if (autoindex_opts & FANCY_INDEXING) {
+ ap_rputs("<pre>", r);
+ if (!(autoindex_opts & SUPPRESS_ICON)) {
+ if ((tp = find_default_icon(d, "^^BLANKICON^^"))) {
+ ap_rvputs(r, "<img src=\"", ap_escape_html(scratch, tp),
+ "\" alt=\"Icon \"", NULL);
+ if (d->icon_width) {
+ ap_rprintf(r, " width=\"%d\"", d->icon_width);
+ }
+ if (d->icon_height) {
+ ap_rprintf(r, " height=\"%d\"", d->icon_height);
+ }
+
+ if (autoindex_opts & EMIT_XHTML) {
+ ap_rputs(" /", r);
+ }
+ ap_rputs("> ", r);
+ }
+ else {
+ ap_rputs(" ", r);
+ }
+ }
+ emit_link(r, "Name", K_NAME, keyid, direction,
+ colargs, 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,
+ colargs, static_columns);
+ ap_rputs(" ", r);
+ }
+ if (!(autoindex_opts & SUPPRESS_SIZE)) {
+ emit_link(r, "Size", K_SIZE, keyid, direction,
+ colargs, static_columns);
+ ap_rputs(" ", r);
+ }
+ if (!(autoindex_opts & SUPPRESS_DESC)) {
+ emit_link(r, "Description", K_DESC, keyid, direction,
+ colargs, static_columns);
+ }
+ if (!(autoindex_opts & SUPPRESS_RULES)) {
+ ap_rputs("<hr", r);
+ if (autoindex_opts & EMIT_XHTML) {
+ ap_rputs(" /", r);
+ }
+ ap_rputs(">", r);
+ }
+ else {
+ ap_rputc('\n', r);
+ }
+ }
+ else {
+ ap_rputs("<ul>", r);
+ }
+
+ for (x = 0; x < n; x++) {
+ char *anchor, *t, *t2;
+ int nwidth;
+
+ apr_pool_clear(scratch);
+
+ t = ar[x]->name;
+ anchor = ap_escape_html(scratch, ap_os_escape_path(scratch, t, 0));
+
+ if (!x && t[0] == '/') {
+ t2 = "Parent Directory";
+ }
+ else {
+ t2 = t;
+ }
+
+ if (autoindex_opts & TABLE_INDEXING) {
+ /* Even/Odd rows for IndexStyleSheet */
+ if (d->style_sheet != NULL) {
+ if (ar[x]->alt && (autoindex_opts & ADDALTCLASS)) {
+ /* Include alt text in class name, distinguish between odd and even rows */
+ char *altclass = apr_pstrdup(scratch, ar[x]->alt);
+ ap_str_tolower(altclass);
+ ap_rvputs(r, " <tr class=\"", ( x & 0x1) ? "odd-" : "even-", altclass, "\">", NULL);
+ } else {
+ /* Distinguish between odd and even rows */
+ ap_rvputs(r, " <tr class=\"", ( x & 0x1) ? "odd" : "even", "\">", NULL);
+ }
+ } else {
+ ap_rputs("<tr>", r);
+ }
+
+ if (!(autoindex_opts & SUPPRESS_ICON)) {
+ ap_rvputs(r, "<td", (d->style_sheet != NULL) ? " class=\"indexcolicon\">" : " valign=\"top\">", NULL);
+ 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) {
+ ap_rprintf(r, " width=\"%d\"", d->icon_width);
+ }
+ if (d->icon_height) {
+ ap_rprintf(r, " height=\"%d\"", d->icon_height);
+ }
+
+ if (autoindex_opts & EMIT_XHTML) {
+ ap_rputs(" /", r);
+ }
+ ap_rputs(">", r);
+ }
+ else {
+ ap_rputs("&nbsp;", r);
+ }
+ if (autoindex_opts & ICONS_ARE_LINKS) {
+ ap_rputs("</a></td>", r);
+ }
+ else {
+ ap_rputs("</td>", r);
+ }
+ }
+ if (d->name_adjust == K_ADJUST) {
+ ap_rvputs(r, "<td", (d->style_sheet != NULL) ? " class=\"indexcolname\">" : ">", "<a href=\"", anchor, "\">",
+ ap_escape_html(scratch, t2), "</a>", NULL);
+ }
+ else {
+ 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, "<td", (d->style_sheet != NULL) ? " class=\"indexcolname\">" : ">", "<a href=\"", anchor, "\">",
+ ap_escape_html(scratch, t2),
+ "</a>", pad_scratch + nwidth, NULL);
+ }
+ if (!(autoindex_opts & SUPPRESS_LAST_MOD)) {
+ if (ar[x]->lm != -1) {
+ char time_str[32];
+ apr_time_exp_t ts;
+ apr_time_exp_lt(&ts, ar[x]->lm);
+ apr_strftime(time_str, &rv, sizeof(time_str),
+ datetime_format,
+ &ts);
+ ap_rvputs(r, "</td><td", (d->style_sheet != NULL) ? " class=\"indexcollastmod\">" : " align=\"right\">", time_str, " ", NULL);
+ }
+ else {
+ ap_rvputs(r, "</td><td", (d->style_sheet != NULL) ? " class=\"indexcollastmod\">&nbsp;" : ">&nbsp;", NULL);
+ }
+ }
+ if (!(autoindex_opts & SUPPRESS_SIZE)) {
+ char buf[5];
+ ap_rvputs(r, "</td><td", (d->style_sheet != NULL) ? " class=\"indexcolsize\">" : " align=\"right\">",
+ apr_strfsize(ar[x]->size, buf), NULL);
+ }
+ if (!(autoindex_opts & SUPPRESS_DESC)) {
+ if (ar[x]->desc) {
+ if (d->desc_adjust == K_ADJUST) {
+ ap_rvputs(r, "</td><td", (d->style_sheet != NULL) ? " class=\"indexcoldesc\">" : ">", ar[x]->desc, NULL);
+ }
+ else {
+ ap_rvputs(r, "</td><td", (d->style_sheet != NULL) ? " class=\"indexcoldesc\">" : ">",
+ terminate_description(d, ar[x]->desc,
+ autoindex_opts,
+ desc_width), NULL);
+ }
+ }
+ else {
+ ap_rvputs(r, "</td><td", (d->style_sheet != NULL) ? " class=\"indexcoldesc\">" : ">", "&nbsp;", NULL);
+ }
+ }
+ ap_rputs("</td></tr>\n", r);
+ }
+ else if (autoindex_opts & FANCY_INDEXING) {
+ if (!(autoindex_opts & SUPPRESS_ICON)) {
+ 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) {
+ ap_rprintf(r, " width=\"%d\"", d->icon_width);
+ }
+ if (d->icon_height) {
+ ap_rprintf(r, " height=\"%d\"", d->icon_height);
+ }
+
+ if (autoindex_opts & EMIT_XHTML) {
+ ap_rputs(" /", r);
+ }
+ ap_rputs(">", r);
+ }
+ else {
+ ap_rputs(" ", r);
+ }
+ if (autoindex_opts & ICONS_ARE_LINKS) {
+ ap_rputs("</a> ", r);
+ }
+ else {
+ ap_rputc(' ', 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[32];
+ apr_time_exp_t ts;
+ apr_time_exp_lt(&ts, ar[x]->lm);
+ apr_strftime(time_str, &rv, sizeof(time_str),
+ datetime_format,
+ &ts);
+ ap_rvputs(r, time_str, " ", NULL);
+ }
+ else {
+ /* Length="1975-04-07 01:23 " (default in 2.4 and later) or
+ * Length="07-Apr-1975 01:24 ". (2.2 and UseOldDateFormat)
+ * See 'datetime_format' above.
+ */
+ ap_rputs(" ", r);
+ }
+ }
+ if (!(autoindex_opts & SUPPRESS_SIZE)) {
+ char buf[5];
+ ap_rputs(apr_strfsize(ar[x]->size, buf), r);
+ ap_rputs(" ", r);
+ }
+ if (!(autoindex_opts & SUPPRESS_DESC)) {
+ if (ar[x]->desc) {
+ ap_rputs(terminate_description(d, ar[x]->desc,
+ autoindex_opts,
+ desc_width), r);
+ }
+ }
+ ap_rputc('\n', r);
+ }
+ else {
+ ap_rvputs(r, "<li><a href=\"", anchor, "\"> ",
+ ap_escape_html(scratch, t2),
+ "</a></li>\n", NULL);
+ }
+ }
+ if (autoindex_opts & TABLE_INDEXING) {
+ ap_rvputs(r, breakrow, "</table>\n", NULL);
+ }
+ else if (autoindex_opts & FANCY_INDEXING) {
+ if (!(autoindex_opts & SUPPRESS_RULES)) {
+ ap_rputs("<hr", r);
+ if (autoindex_opts & EMIT_XHTML) {
+ ap_rputs(" /", r);
+ }
+ ap_rputs("></pre>\n", r);
+ }
+ else {
+ ap_rputs("</pre>\n", r);
+ }
+ }
+ else {
+ ap_rputs("</ul>\n", 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 ((*e1)->name[0] == '/') {
+ return -1;
+ }
+ if ((*e2)->name[0] == '/') {
+ return 1;
+ }
+ /*
+ * Now see if one's a directory and one isn't, if we're set
+ * isdir for FOLDERS_FIRST.
+ */
+ if ((*e1)->isdir != (*e2)->isdir) {
+ return (*e1)->isdir ? -1 : 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;
+ }
+
+ /* names may identical when treated case-insensitively,
+ * so always fall back on strcmp() flavors to put entries
+ * in deterministic order. This means that 'ABC' and 'abc'
+ * will always appear in the same order, rather than
+ * variably between 'ABC abc' and 'abc ABC' order.
+ */
+
+ if (c1->version_sort) {
+ if (c1->ignore_case) {
+ result = apr_strnatcasecmp (c1->name, c2->name);
+ }
+ if (!result) {
+ result = apr_strnatcmp(c1->name, c2->name);
+ }
+ }
+
+ /* The names may be identical in respects other than
+ * filename case when strnatcmp is used above, so fall back
+ * to strcmp on conflicts so that fn1.01.zzz and fn1.1.zzz
+ * are also sorted in a deterministic order.
+ */
+
+ if (!result && c1->ignore_case) {
+ result = strcasecmp (c1->name, c2->name);
+ }
+
+ if (!result) {
+ result = strcmp (c1->name, c2->name);
+ }
+
+ return result;
+}
+
+
+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;
+ char *pstring = NULL;
+ apr_finfo_t dirent;
+ apr_dir_t *thedir;
+ apr_status_t status;
+ int num_ent = 0, x;
+ struct ent *head, *p;
+ struct ent **ar = NULL;
+ const char *qstring;
+ apr_int32_t autoindex_opts = autoindex_conf->opts;
+ char keyid;
+ char direction;
+ char *colargs;
+ char *fullpath;
+ apr_size_t dirpathlen;
+ char *ctype = "text/html";
+ char *charset;
+
+ if ((status = apr_dir_open(&thedir, name, r->pool)) != APR_SUCCESS) {
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, status, r, APLOGNO(01275)
+ "Can't open directory for index: %s", r->filename);
+ return HTTP_FORBIDDEN;
+ }
+
+ if (autoindex_conf->ctype) {
+ ctype = autoindex_conf->ctype;
+ }
+ if (autoindex_conf->charset) {
+ charset = autoindex_conf->charset;
+ }
+ else {
+#if APR_HAS_UNICODE_FS
+ charset = "UTF-8";
+#else
+ charset = "ISO-8859-1";
+#endif
+ }
+ if (*charset) {
+ ap_set_content_type(r, apr_pstrcat(r->pool, ctype, ";charset=",
+ charset, NULL));
+ }
+ else {
+ ap_set_content_type(r, ctype);
+ }
+
+ if (autoindex_opts & TRACK_MODIFIED) {
+ ap_update_mtime(r, r->finfo.mtime);
+ ap_set_last_modified(r);
+ ap_set_etag(r);
+ }
+ if (r->header_only) {
+ apr_dir_close(thedir);
+ return 0;
+ }
+
+ /*
+ * If there is no specific ordering defined for this directory,
+ * default to ascending by filename.
+ */
+ keyid = autoindex_conf->default_keyid
+ ? autoindex_conf->default_keyid : K_NAME;
+ direction = autoindex_conf->default_direction
+ ? autoindex_conf->default_direction : D_ASCENDING;
+
+ /*
+ * Figure out what sort of indexing (if any) we're supposed to use.
+ *
+ * If no QUERY_STRING was specified or client query strings have been
+ * explicitly disabled.
+ * If we are ignoring the client, suppress column sorting as well.
+ */
+ if (autoindex_opts & IGNORE_CLIENT) {
+ qstring = NULL;
+ autoindex_opts |= SUPPRESS_COLSORT;
+ colargs = "";
+ }
+ else {
+ char fval[5], vval[5], *ppre = "", *epattern = "";
+ fval[0] = '\0'; vval[0] = '\0';
+ qstring = r->args;
+
+ while (qstring && *qstring) {
+
+ /* C= First Sort key Column (N, M, S, D) */
+ if ( qstring[0] == 'C' && qstring[1] == '='
+ && qstring[2] && strchr(K_VALID, qstring[2])
+ && ( qstring[3] == '&' || qstring[3] == ';'
+ || !qstring[3])) {
+ keyid = qstring[2];
+ qstring += qstring[3] ? 4 : 3;
+ }
+
+ /* O= Sort order (A, D) */
+ else if ( qstring[0] == 'O' && qstring[1] == '='
+ && ( (qstring[2] == D_ASCENDING)
+ || (qstring[2] == D_DESCENDING))
+ && ( qstring[3] == '&' || qstring[3] == ';'
+ || !qstring[3])) {
+ direction = qstring[2];
+ qstring += qstring[3] ? 4 : 3;
+ }
+
+ /* F= Output Format (0 plain, 1 fancy (pre), 2 table) */
+ else if ( qstring[0] == 'F' && qstring[1] == '='
+ && qstring[2] && strchr("012", qstring[2])
+ && ( qstring[3] == '&' || qstring[3] == ';'
+ || !qstring[3])) {
+ if (qstring[2] == '0') {
+ autoindex_opts &= ~(FANCY_INDEXING | TABLE_INDEXING);
+ }
+ else if (qstring[2] == '1') {
+ autoindex_opts = (autoindex_opts | FANCY_INDEXING)
+ & ~TABLE_INDEXING;
+ }
+ else if (qstring[2] == '2') {
+ autoindex_opts |= FANCY_INDEXING | TABLE_INDEXING;
+ }
+ strcpy(fval, ";F= ");
+ fval[3] = qstring[2];
+ qstring += qstring[3] ? 4 : 3;
+ }
+
+ /* V= Version sort (0, 1) */
+ else if ( qstring[0] == 'V' && qstring[1] == '='
+ && (qstring[2] == '0' || qstring[2] == '1')
+ && ( qstring[3] == '&' || qstring[3] == ';'
+ || !qstring[3])) {
+ if (qstring[2] == '0') {
+ autoindex_opts &= ~VERSION_SORT;
+ }
+ else if (qstring[2] == '1') {
+ autoindex_opts |= VERSION_SORT;
+ }
+ strcpy(vval, ";V= ");
+ vval[3] = qstring[2];
+ qstring += qstring[3] ? 4 : 3;
+ }
+
+ /* P= wildcard pattern (*.foo) */
+ else if (qstring[0] == 'P' && qstring[1] == '=') {
+ const char *eos = qstring += 2; /* for efficiency */
+
+ while (*eos && *eos != '&' && *eos != ';') {
+ ++eos;
+ }
+
+ if (eos == qstring) {
+ pstring = NULL;
+ }
+ else {
+ pstring = apr_pstrndup(r->pool, qstring, eos - qstring);
+ if (ap_unescape_url(pstring) != OK) {
+ /* ignore the pattern, if it's bad. */
+ pstring = NULL;
+ }
+ else {
+ ppre = ";P=";
+ /* be correct */
+ epattern = ap_escape_uri(r->pool, pstring);
+ }
+ }
+
+ if (*eos && *++eos) {
+ qstring = eos;
+ }
+ else {
+ qstring = NULL;
+ }
+ }
+
+ /* Syntax error? Ignore the remainder! */
+ else {
+ qstring = NULL;
+ }
+ }
+ colargs = apr_pstrcat(r->pool, fval, vval, ppre, epattern, NULL);
+ }
+
+ /* Spew HTML preamble */
+ title_endp = title_name + strlen(title_name) - 1;
+
+ while (title_endp > title_name && *title_endp == '/') {
+ *title_endp-- = '\0';
+ }
+
+ emit_head(r, autoindex_conf->header,
+ autoindex_opts & SUPPRESS_PREAMBLE,
+ autoindex_opts & EMIT_XHTML, title_name);
+
+ /*
+ * 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;
+ p = make_parent_entry(autoindex_opts, autoindex_conf, r, keyid, direction);
+ if (p != NULL) {
+ p->next = head;
+ head = p;
+ num_ent++;
+ }
+ fullpath = apr_palloc(r->pool, APR_PATH_MAX);
+ dirpathlen = strlen(name);
+ memcpy(fullpath, name, dirpathlen);
+
+ do {
+ status = apr_dir_read(&dirent, APR_FINFO_MIN | APR_FINFO_NAME, thedir);
+ if (APR_STATUS_IS_INCOMPLETE(status)) {
+ continue; /* ignore un-stat()able files */
+ }
+ else if (status != APR_SUCCESS) {
+ break;
+ }
+
+ /* We want to explode symlinks here. */
+ if (dirent.filetype == APR_LNK) {
+ const char *savename;
+ apr_finfo_t fi;
+ /* We *must* have FNAME. */
+ savename = dirent.name;
+ apr_cpystrn(fullpath + dirpathlen, dirent.name,
+ APR_PATH_MAX - dirpathlen);
+ status = apr_stat(&fi, fullpath,
+ dirent.valid & ~(APR_FINFO_NAME), r->pool);
+ if (status != APR_SUCCESS) {
+ /* Something bad happened, skip this file. */
+ continue;
+ }
+ memcpy(&dirent, &fi, sizeof(fi));
+ dirent.name = savename;
+ dirent.valid |= APR_FINFO_NAME;
+ }
+ p = make_autoindex_entry(&dirent, autoindex_opts, autoindex_conf, r,
+ keyid, direction, pstring);
+ if (p != NULL) {
+ p->next = head;
+ head = p;
+ num_ent++;
+ }
+ } while (1);
+
+ 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, colargs);
+ apr_dir_close(thedir);
+
+ emit_tail(r, autoindex_conf->readme,
+ autoindex_opts & SUPPRESS_PREAMBLE);
+
+ return 0;
+}
+
+/* The formal handler... */
+
+static int handle_autoindex(request_rec *r)
+{
+ autoindex_config_rec *d;
+ int allow_opts;
+
+ if (strcmp(r->handler,DIR_MAGIC_TYPE) && !AP_IS_DEFAULT_HANDLER_NAME(r->handler)) {
+ return DECLINED;
+ }
+ if (r->finfo.filetype != APR_DIR) {
+ return DECLINED;
+ }
+
+ allow_opts = ap_allow_options(r);
+
+ d = (autoindex_config_rec *) ap_get_module_config(r->per_dir_config,
+ &autoindex_module);
+
+ r->allowed |= (AP_METHOD_BIT << M_GET);
+ if (r->method_number != M_GET) {
+ return DECLINED;
+ }
+
+ /* OK, nothing easy. Trot out the heavy artillery... */
+
+ if (allow_opts & OPT_INDEXES) {
+ int errstatus;
+
+ if ((errstatus = ap_discard_request_body(r)) != OK) {
+ return errstatus;
+ }
+
+ /* 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 {
+ const char *index_names = apr_table_get(r->notes, "dir-index-names");
+
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(01276)
+ "Cannot serve directory %s: No matching DirectoryIndex (%s) found, and "
+ "server-generated directory index forbidden by "
+ "Options directive",
+ r->filename,
+ index_names ? index_names : "none");
+ return HTTP_FORBIDDEN;
+ }
+}
+
+static void register_hooks(apr_pool_t *p)
+{
+ ap_hook_handler(handle_autoindex,NULL,NULL,APR_HOOK_MIDDLE);
+}
+
+AP_DECLARE_MODULE(autoindex) =
+{
+ 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 */
+ register_hooks /* register hooks */
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 05:45:00 +0000