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mod_dirsize.c
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mod_dirsize.c
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/*
* mod_dirsize 0.1
* Copyright (C) 2005 Gustavo Franco <stratus@debian.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "httpd.h"
#include "http_config.h"
#include "http_log.h"
#include "util_script.h"
void ap_send_http_header(request_rec*);
int ap_rprintf(request_rec*, const char*, ...);
long ap_send_fb(BUFF *f, request_rec *r);
static void mod_dirsize_init(server_rec *s, pool *p)
{
ap_add_version_component("mod_dirsize/0.1");
}
static int dirsize(void *rp, child_info *pinfo)
{
char **env;
int child_pid;
request_rec *r = (request_rec *) rp;
env = ap_create_environment(r->pool, r->subprocess_env);
ap_error_log2stderr(r->server);
r->filename = "/usr/bin/du"; // fixme: ugly!
r->args = ap_pstrcat(r->pool, "-sk+", r->path_info, NULL);
ap_cleanup_for_exec();
child_pid = ap_call_exec(r, pinfo, r->filename, env, 0);
#ifdef WIN32
return(child_pid);
#else
ap_log_error(APLOG_MARK, APLOG_ERR, NULL, "exec of %s failed", r->filename);
exit(0);
return(0);
#endif
}
int mod_dirsize_handler(request_rec *r)
{
BUFF *pipe_output;
char buf[MAX_STRING_LEN];
char *sizeink=NULL;
regmatch_t pmatch[2];
r->path_info = ap_make_dirstr_parent(r->pool, r->filename);
if(!ap_bspawn_child(r->pool,dirsize, (void *) r, kill_after_timeout,
NULL, &pipe_output, NULL)) {
ap_log_error(APLOG_MARK, APLOG_ERR, r->server,
"problems with dirsize subprocess");
return HTTP_INTERNAL_SERVER_ERROR;
}
ap_bgets(buf, sizeof(buf), pipe_output);
regex_t *cpat = ap_pregcomp(r->pool, "^(.+)\t", REG_EXTENDED);
if(regexec(cpat, buf, cpat->re_nsub+1, pmatch, 0) == 0) {
sizeink = ap_pregsub(r->pool, "$1", buf, cpat->re_nsub+1, pmatch);
}
#ifdef DEBUG
r->content_type = "text/html";
ap_send_http_header(r);
ap_rprintf(r, "<html>\n");
ap_rprintf(r, "<head>\n");
ap_rprintf(r, "<title>mod_dirsize</title>\n");
ap_rprintf(r, "</head>\n");
ap_rprintf(r, "<body>\n");
ap_rprintf(r, "Request: %s<br>\n", r->the_request);
ap_rprintf(r, "Server Hostname: %s<br>\n", r->server->server_hostname);
ap_rprintf(r, "Server Admin: %s<br>\n", r->server->server_admin);
ap_rprintf(r, "Filename: %s<br>\n", r->filename);
ap_rprintf(r, "ServerRoot: %s<br>\n", ap_server_root_relative(r->pool, ""));
ap_rprintf(r, "Path Info: %s<br>\n", r->path_info);
ap_send_fb(pipe_output, r);
ap_rprintf(r, "</body>\n");
ap_rprintf(r, "</html>\n");
#else
r->content_type = "text/xml";
ap_send_http_header(r);
ap_rprintf(r, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
ap_rprintf(r, "<dirsize xmlns:html=\"http://www.w3.org/1999/html\">\n");
ap_rprintf(r, "<sizeink>%s</sizeink>\n", sizeink);
ap_rprintf(r, "</dirsize>");
#endif
ap_bclose(pipe_output);
return(OK);
}
handler_rec mod_dirsize_handlers[] =
{
{"mod_dirsize", mod_dirsize_handler},
{NULL}
};
module MODULE_VAR_EXPORT dirsize_module = {
STANDARD_MODULE_STUFF,
mod_dirsize_init, /* initializer */
NULL, /* dir config creater */
NULL, /* dir merger default is to override */
NULL, /* server config */
NULL, /* merge server config */
NULL, /* command table */
mod_dirsize_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 */
};