| /* ==================================================================== |
| * Copyright (c) 1995-1999 The Apache Group. 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. All advertising materials mentioning features or use of this |
| * software must display the following acknowledgment: |
| * "This product includes software developed by the Apache Group |
| * for use in the Apache HTTP server project (http://www.apache.org/)." |
| * |
| * 4. The names "Apache Server" and "Apache Group" 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 names without prior written |
| * permission of the Apache Group. |
| * |
| * 6. Redistributions of any form whatsoever must retain the following |
| * acknowledgment: |
| * "This product includes software developed by the Apache Group |
| * for use in the Apache HTTP server project (http://www.apache.org/)." |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``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 GROUP 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 Group and was originally based |
| * on public domain software written at the National Center for |
| * Supercomputing Applications, University of Illinois, Urbana-Champaign. |
| * For more information on the Apache Group and the Apache HTTP server |
| * project, please see <http://www.apache.org/>. |
| * |
| */ |
| |
| /* |
| * mod_autoindex.c: Handles the on-the-fly html index generation |
| * |
| * Rob McCool |
| * 3/23/93 |
| * |
| * Adapted to Apache by rst. |
| */ |
| |
| #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 "fnmatch.h" |
| |
| module MODULE_VAR_EXPORT 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 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; |
| |
| array_header *icon_list; |
| array_header *alt_list; |
| array_header *desc_list; |
| array_header *ign_list; |
| array_header *hdr_list; |
| array_header *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 ap_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(array_header *arr, char *type, char *to, char *path, |
| char *data) |
| { |
| struct item *p = (struct item *) ap_push_array(arr); |
| |
| if (!to) { |
| to = ""; |
| } |
| if (!path) { |
| path = ""; |
| } |
| |
| p->type = type; |
| p->data = data ? ap_pstrdup(arr->pool, data) : NULL; |
| p->apply_path = ap_pstrcat(arr->pool, path, "*", NULL); |
| |
| if ((type == BY_PATH) && (!ap_is_matchexp(to))) { |
| p->apply_to = ap_pstrcat(arr->pool, "*", to, NULL); |
| } |
| else if (to) { |
| p->apply_to = ap_pstrdup(arr->pool, to); |
| } |
| else { |
| p->apply_to = NULL; |
| } |
| } |
| |
| static const char *add_alt(cmd_parms *cmd, void *d, char *alt, char *to) |
| { |
| if (cmd->info == BY_PATH) { |
| if (!strcmp(to, "**DIRECTORY**")) { |
| to = "^^DIRECTORY^^"; |
| } |
| } |
| if (cmd->info == BY_ENCODING) { |
| ap_str_tolower(to); |
| } |
| |
| 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, char *icon, char *to) |
| { |
| char *iconbak = ap_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) { |
| ap_str_tolower(to); |
| } |
| |
| 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, char *desc, char *to) |
| { |
| autoindex_config_rec *dcfg = (autoindex_config_rec *) d; |
| ai_desc_t *desc_entry; |
| char *prefix = ""; |
| |
| desc_entry = (ai_desc_t *) ap_push_array(dcfg->desc_list); |
| desc_entry->full_path = (strchr(to, '/') == NULL) ? 0 : 1; |
| desc_entry->wildcards = (WILDCARDS_REQUIRED |
| || desc_entry->full_path |
| || ap_is_fnmatch(to)); |
| if (desc_entry->wildcards) { |
| prefix = desc_entry->full_path ? "*/" : "*"; |
| desc_entry->pattern = ap_pstrcat(dcfg->desc_list->pool, |
| prefix, to, "*", NULL); |
| } |
| else { |
| desc_entry->pattern = ap_pstrdup(dcfg->desc_list->pool, to); |
| } |
| desc_entry->description = ap_pstrdup(dcfg->desc_list->pool, desc); |
| return NULL; |
| } |
| |
| static const char *add_ignore(cmd_parms *cmd, void *d, 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, 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, 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, "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, char *direction, |
| char *key) |
| { |
| char temp[4]; |
| autoindex_config_rec *d_cfg = (autoindex_config_rec *) m; |
| |
| ap_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 = ap_palloc(cmd->pool, 4); |
| d_cfg->default_order[3] = '\0'; |
| } |
| ap_cpystrn(d_cfg->default_order, temp, sizeof(temp)); |
| return NULL; |
| } |
| |
| #define DIR_CMD_PERMS OR_INDEXES |
| |
| static const command_rec autoindex_cmds[] = |
| { |
| {"AddIcon", add_icon, BY_PATH, DIR_CMD_PERMS, ITERATE2, |
| "an icon URL followed by one or more filenames"}, |
| {"AddIconByType", add_icon, BY_TYPE, DIR_CMD_PERMS, ITERATE2, |
| "an icon URL followed by one or more MIME types"}, |
| {"AddIconByEncoding", add_icon, BY_ENCODING, DIR_CMD_PERMS, ITERATE2, |
| "an icon URL followed by one or more content encodings"}, |
| {"AddAlt", add_alt, BY_PATH, DIR_CMD_PERMS, ITERATE2, |
| "alternate descriptive text followed by one or more filenames"}, |
| {"AddAltByType", add_alt, BY_TYPE, DIR_CMD_PERMS, ITERATE2, |
| "alternate descriptive text followed by one or more MIME types"}, |
| {"AddAltByEncoding", add_alt, BY_ENCODING, DIR_CMD_PERMS, ITERATE2, |
| "alternate descriptive text followed by one or more content encodings"}, |
| {"IndexOptions", add_opts, NULL, DIR_CMD_PERMS, RAW_ARGS, |
| "one or more index options"}, |
| {"IndexOrderDefault", set_default_order, NULL, DIR_CMD_PERMS, TAKE2, |
| "{Ascending,Descending} {Name,Size,Description,Date}"}, |
| {"IndexIgnore", add_ignore, NULL, DIR_CMD_PERMS, ITERATE, |
| "one or more file extensions"}, |
| {"AddDescription", add_desc, BY_PATH, DIR_CMD_PERMS, ITERATE2, |
| "Descriptive text followed by one or more filenames"}, |
| {"HeaderName", add_header, NULL, DIR_CMD_PERMS, TAKE1, "a filename"}, |
| {"ReadmeName", add_readme, NULL, DIR_CMD_PERMS, TAKE1, "a filename"}, |
| {"FancyIndexing", fancy_indexing, NULL, DIR_CMD_PERMS, FLAG, |
| "Limited to 'on' or 'off' (superseded by IndexOptions FancyIndexing)"}, |
| {"DefaultIcon", ap_set_string_slot, |
| (void *) XtOffsetOf(autoindex_config_rec, default_icon), |
| DIR_CMD_PERMS, TAKE1, "an icon URL"}, |
| {NULL} |
| }; |
| |
| static void *create_autoindex_config(pool *p, char *dummy) |
| { |
| autoindex_config_rec *new = |
| (autoindex_config_rec *) ap_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 = ap_make_array(p, 4, sizeof(struct item)); |
| new->alt_list = ap_make_array(p, 4, sizeof(struct item)); |
| new->desc_list = ap_make_array(p, 4, sizeof(ai_desc_t)); |
| new->ign_list = ap_make_array(p, 4, sizeof(struct item)); |
| new->hdr_list = ap_make_array(p, 4, sizeof(struct item)); |
| new->rdme_list = ap_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(pool *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 *) ap_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 = ap_append_arrays(p, add->alt_list, base->alt_list); |
| new->ign_list = ap_append_arrays(p, add->ign_list, base->ign_list); |
| new->hdr_list = ap_append_arrays(p, add->hdr_list, base->hdr_list); |
| new->desc_list = ap_append_arrays(p, add->desc_list, base->desc_list); |
| new->icon_list = ap_append_arrays(p, add->icon_list, base->icon_list); |
| new->rdme_list = ap_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 non-incremental 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 non-incremental 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; |
| time_t lm; |
| struct ent *next; |
| int ascending; |
| char key; |
| }; |
| |
| static char *find_item(request_rec *r, array_header *list, int path_only) |
| { |
| const char *content_type = 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 = strrchr(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 = (ap_fnmatch(tuple->pattern, filename, MATCH_FLAGS) == 0); |
| } |
| else { |
| found = (strstr(filename, tuple->pattern) != NULL); |
| } |
| if (found) { |
| return tuple->description; |
| } |
| } |
| return NULL; |
| } |
| |
| static int ignore_entry(autoindex_config_rec *d, char *path) |
| { |
| array_header *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, FILE *f) |
| { |
| char buf[IOBUFSIZE + 1]; |
| int i, n, c, ch; |
| |
| ap_rputs("<PRE>\n", r); |
| while (!feof(f)) { |
| do { |
| n = fread(buf, sizeof(char), IOBUFSIZE, f); |
| } |
| while (n == -1 && ferror(f) && errno == EINTR); |
| 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) |
| { |
| FILE *f; |
| 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) |
| && S_ISREG(rr->finfo.st_mode)) { |
| /* |
| * 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 ((f = ap_pfopen(r->pool, rr->filename, "r")) != 0) { |
| emit_preamble(r, title); |
| emit_amble = 0; |
| do_emit_plain(r, f); |
| ap_pfclose(r->pool, 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) |
| { |
| FILE *f; |
| 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) |
| && S_ISREG(rr->finfo.st_mode)) { |
| /* |
| * 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 ((f = ap_pfopen(r->pool, rr->filename, "r")) != 0) { |
| do_emit_plain(r, f); |
| ap_pfclose(r->pool, 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>"; |
| FILE *thefile = NULL; |
| int x, y, n, p; |
| |
| 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 (!(thefile = ap_pfopen(r->pool, r->filename, "r"))) { |
| return NULL; |
| } |
| n = fread(titlebuf, sizeof(char), MAX_STRING_LEN - 1, thefile); |
| if (n <= 0) { |
| ap_pfclose(r->pool, thefile); |
| return NULL; |
| } |
| titlebuf[n] = '\0'; |
| for (x = 0, p = 0; titlebuf[x]; x++) { |
| if (ap_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] = ' '; |
| } |
| } |
| } |
| ap_pfclose(r->pool, thefile); |
| return ap_pstrdup(r->pool, &titlebuf[x]); |
| } |
| } |
| else { |
| p = 0; |
| } |
| } |
| ap_pfclose(r->pool, 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 *) ap_pcalloc(r->pool, sizeof(struct ent)); |
| p->name = ap_pstrdup(r->pool, name); |
| p->size = -1; |
| p->icon = NULL; |
| p->alt = NULL; |
| p->desc = NULL; |
| p->lm = -1; |
| p->key = ap_toupper(keyid); |
| p->ascending = (ap_toupper(direction) == D_ASCENDING); |
| |
| if (autoindex_opts & FANCY_INDEXING) { |
| request_rec *rr = ap_sub_req_lookup_file(name, r); |
| |
| if (rr->finfo.st_mode != 0) { |
| p->lm = rr->finfo.st_mtime; |
| if (S_ISDIR(rr->finfo.st_mode)) { |
| 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 = ap_pstrcat(r->pool, name, "/", NULL); |
| } |
| else { |
| p->icon = find_icon(d, rr, 0); |
| p->alt = find_alt(d, rr, 0); |
| p->size = rr->finfo.st_size; |
| } |
| } |
| |
| p->desc = find_desc(d, rr); |
| |
| if ((!p->desc) && (autoindex_opts & SCAN_HTML_TITLES)) { |
| p->desc = ap_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; |
| char *name = r->uri; |
| char *tp; |
| int static_columns = (autoindex_opts & SUPPRESS_COLSORT); |
| pool *scratch = ap_make_sub_pool(r->pool); |
| int name_width; |
| char *name_scratch; |
| char *pad_scratch; |
| |
| 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 = ap_palloc(r->pool, name_width + 1); |
| pad_scratch = ap_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; |
| |
| ap_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]; |
| struct tm *ts = localtime(&ar[x]->lm); |
| strftime(time_str, 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: |
| result = strcmp(c1->desc ? c1->desc : "", c2->desc ? c2->desc : ""); |
| if (result) { |
| return result; |
| } |
| break; |
| } |
| 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; |
| |
| DIR *d; |
| struct DIR_TYPE *dstruct; |
| 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 (!(d = ap_popendir(r->pool, name))) { |
| ap_log_rerror(APLOG_MARK, APLOG_ERR, r, |
| "Can't open directory for index: %s", r->filename); |
| return HTTP_FORBIDDEN; |
| } |
| |
| r->content_type = "text/html"; |
| |
| ap_send_http_header(r); |
| |
| if (r->header_only) { |
| ap_pclosedir(r->pool, d); |
| return 0; |
| } |
| ap_hard_timeout("send directory", r); |
| |
| /* 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 ((dstruct = readdir(d))) { |
| p = make_autoindex_entry(dstruct->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 **) ap_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); |
| ap_pclosedir(r->pool, d); |
| |
| if (autoindex_opts & FANCY_INDEXING) { |
| ap_rputs("<HR>\n", r); |
| } |
| emit_tail(r, find_readme(autoindex_conf, r), |
| autoindex_opts & SUPPRESS_PREAMBLE); |
| |
| ap_kill_timeout(r); |
| 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 = ap_pstrcat(r->pool, r->filename, "/", NULL); |
| } |
| return index_directory(r, d); |
| } |
| else { |
| ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 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 MODULE_VAR_EXPORT autoindex_module = |
| { |
| STANDARD_MODULE_STUFF, |
| NULL, /* initializer */ |
| 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 table */ |
| autoindex_handlers, /* handlers */ |
| NULL, /* filename translation */ |
| NULL, /* check_user_id */ |
| NULL, /* check auth */ |
| NULL, /* check access */ |
| NULL, /* type_checker */ |
| NULL, /* fixups */ |
| NULL, /* logger */ |
| NULL, /* header parser */ |
| NULL, /* child_init */ |
| NULL, /* child_exit */ |
| NULL /* post read-request */ |
| }; |