/* This file is part of Metaproxy.
- Copyright (C) 2005-2010 Index Data
+ Copyright (C) Index Data
Metaproxy is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
#include <yaz/log.h>
#include <unistd.h>
+#include <signal.h>
#include <sys/wait.h>
#include <sstream>
class CGI::Rep {
friend class CGI;
std::list<CGI::Exec> exec_map;
+ std::map<pid_t,pid_t> children;
+ boost::mutex m_mutex;
+ public:
+ ~Rep();
};
}
}
yf::CGI::CGI() : m_p(new Rep)
{
+
+}
+
+yf::CGI::Rep::~Rep()
+{
+ std::map<pid_t,pid_t>::const_iterator it;
+ boost::mutex::scoped_lock lock(m_mutex);
+
+ for (it = children.begin(); it != children.end(); it++)
+ kill(it->second, SIGTERM);
}
yf::CGI::~CGI()
-{ // must have a destructor because of boost::scoped_ptr
+{
}
void yf::CGI::process(mp::Package &package) const
{
Z_GDU *zgdu_req = package.request().get();
Z_GDU *zgdu_res = 0;
-
+
if (!zgdu_req)
return;
-
+
if (zgdu_req->which != Z_GDU_HTTP_Request)
{
package.move();
int r;
pid_t pid;
int status;
- int fd;
-
+ int fds[2];
+
+ r = pipe(fds);
+ if (r == -1)
+ {
+ zgdu_res = odr.create_HTTP_Response(
+ package.session(), zgdu_req->u.HTTP_Request, 400);
+ package.response() = zgdu_res;
+ continue;
+ }
pid = ::fork();
switch (pid)
{
case 0: /* child */
- for (fd = 3; fd <= 1023; fd++)
- close(fd);
+ close(1);
+ dup(fds[1]);
setenv("PATH_INFO", path_info.c_str(), 1);
setenv("QUERY_STRING", query_string.c_str(), 1);
r = execl(it->program.c_str(), it->program.c_str(), (char *) 0);
exit(0);
break;
case -1: /* error */
+ close(fds[0]);
+ close(fds[1]);
zgdu_res = odr.create_HTTP_Response(
package.session(), zgdu_req->u.HTTP_Request, 400);
package.response() = zgdu_res;
break;
default: /* parent */
+ close(fds[1]);
+ if (pid)
+ {
+ boost::mutex::scoped_lock lock(m_p->m_mutex);
+ m_p->children[pid] = pid;
+ }
+ WRBUF w = wrbuf_alloc();
+ wrbuf_puts(w, "HTTP/1.1 200 OK\r\n");
+ while (1)
+ {
+ char buf[512];
+ ssize_t rd = read(fds[0], buf, sizeof buf);
+ if (rd <= 0)
+ break;
+ wrbuf_write(w, buf, rd);
+ }
+ close(fds[0]);
waitpid(pid, &status, 0);
- zgdu_res = odr.create_HTTP_Response(
- package.session(), zgdu_req->u.HTTP_Request, 200);
+ if (pid)
+ {
+ boost::mutex::scoped_lock lock(m_p->m_mutex);
+ m_p->children.erase(pid);
+ }
+ ODR dec = odr_createmem(ODR_DECODE);
+ odr_setbuf(dec, wrbuf_buf(w), wrbuf_len(w), 0);
+ r = z_GDU(dec, &zgdu_res, 0, 0);
+ if (r && zgdu_res)
+ {
+ package.response() = zgdu_res;
+ }
+ else
+ {
+ zgdu_res = odr.create_HTTP_Response(
+ package.session(), zgdu_req->u.HTTP_Request, 400);
+ Z_HTTP_Response *hres = zgdu_res->u.HTTP_Response;
+ z_HTTP_header_add(odr, &hres->headers,
+ "Content-Type", "text/plain");
+ hres->content_buf =
+ odr_strdup(odr, "Invalid script from script");
+ hres->content_len = strlen(hres->content_buf);
+ }
package.response() = zgdu_res;
+ odr_destroy(dec);
+ wrbuf_destroy(w);
break;
}
return;
package.move();
}
-void yf::CGI::configure(const xmlNode *ptr, bool test_only)
+void yf::CGI::configure(const xmlNode *ptr, bool test_only, const char *path)
{
for (ptr = ptr->children; ptr; ptr = ptr->next)
{
exec.program = mp::xml::get_text(attr->children);
else
throw mp::filter::FilterException
- ("Bad attribute "
+ ("Bad attribute "
+ std::string((const char *) attr->name)
+ " in cgi section");
}
}
else
{
- throw mp::filter::FilterException("Bad element "
+ throw mp::filter::FilterException("Bad element "
+ std::string((const char *)
ptr->name));
}