1 /* This file is part of Metaproxy.
2 Copyright (C) Index Data
4 Metaproxy is free software; you can redistribute it and/or modify it under
5 the terms of the GNU General Public License as published by the Free
6 Software Foundation; either version 2, or (at your option) any later
9 Metaproxy is distributed in the hope that it will be useful, but WITHOUT ANY
10 WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 #include "filter_cgi.hpp"
20 #include <metaproxy/package.hpp>
21 #include <metaproxy/util.hpp>
22 #include "gduutil.hpp"
33 namespace mp = metaproxy_1;
34 namespace yf = mp::filter;
36 namespace metaproxy_1 {
46 std::list<CGI::Exec> exec_map;
47 std::map<pid_t,pid_t> children;
55 yf::CGI::CGI() : m_p(new Rep)
62 std::map<pid_t,pid_t>::const_iterator it;
63 boost::mutex::scoped_lock lock(m_mutex);
65 for (it = children.begin(); it != children.end(); it++)
66 kill(it->second, SIGTERM);
73 void yf::CGI::process(mp::Package &package) const
75 Z_GDU *zgdu_req = package.request().get();
81 if (zgdu_req->which != Z_GDU_HTTP_Request)
86 std::string path_info;
87 std::string query_string;
88 const char *path = zgdu_req->u.HTTP_Request->path;
89 yaz_log(YLOG_LOG, "path=%s", path);
90 const char *p_cp = strchr(path, '?');
93 path_info.assign(path, p_cp - path);
94 query_string.assign(p_cp+1);
97 path_info.assign(path);
99 std::list<CGI::Exec>::const_iterator it;
100 metaproxy_1::odr odr;
101 for (it = m_p->exec_map.begin(); it != m_p->exec_map.end(); it++)
103 if (it->path.compare(path_info) == 0)
113 zgdu_res = odr.create_HTTP_Response(
114 package.session(), zgdu_req->u.HTTP_Request, 400);
115 package.response() = zgdu_res;
124 setenv("PATH_INFO", path_info.c_str(), 1);
125 setenv("QUERY_STRING", query_string.c_str(), 1);
126 r = execl(it->program.c_str(), it->program.c_str(), (char *) 0);
134 zgdu_res = odr.create_HTTP_Response(
135 package.session(), zgdu_req->u.HTTP_Request, 400);
136 package.response() = zgdu_res;
138 default: /* parent */
142 boost::mutex::scoped_lock lock(m_p->m_mutex);
143 m_p->children[pid] = pid;
145 WRBUF w = wrbuf_alloc();
146 wrbuf_puts(w, "HTTP/1.1 200 OK\r\n");
150 ssize_t rd = read(fds[0], buf, sizeof buf);
153 wrbuf_write(w, buf, rd);
156 waitpid(pid, &status, 0);
160 boost::mutex::scoped_lock lock(m_p->m_mutex);
161 m_p->children.erase(pid);
163 ODR dec = odr_createmem(ODR_DECODE);
164 odr_setbuf(dec, wrbuf_buf(w), wrbuf_len(w), 0);
165 r = z_GDU(dec, &zgdu_res, 0, 0);
168 package.response() = zgdu_res;
172 zgdu_res = odr.create_HTTP_Response(
173 package.session(), zgdu_req->u.HTTP_Request, 400);
174 Z_HTTP_Response *hres = zgdu_res->u.HTTP_Response;
175 z_HTTP_header_add(odr, &hres->headers,
176 "Content-Type", "text/plain");
178 odr_strdup(odr, "Invalid script from script");
179 hres->content_len = strlen(hres->content_buf);
181 package.response() = zgdu_res;
192 void yf::CGI::configure(const xmlNode *ptr, bool test_only, const char *path)
194 for (ptr = ptr->children; ptr; ptr = ptr->next)
196 if (ptr->type != XML_ELEMENT_NODE)
198 if (!strcmp((const char *) ptr->name, "map"))
202 const struct _xmlAttr *attr;
203 for (attr = ptr->properties; attr; attr = attr->next)
205 if (!strcmp((const char *) attr->name, "path"))
206 exec.path = mp::xml::get_text(attr->children);
207 else if (!strcmp((const char *) attr->name, "exec"))
208 exec.program = mp::xml::get_text(attr->children);
210 throw mp::filter::FilterException
212 + std::string((const char *) attr->name)
213 + " in cgi section");
215 m_p->exec_map.push_back(exec);
219 throw mp::filter::FilterException("Bad element "
220 + std::string((const char *)
226 static mp::filter::Base* filter_creator()
228 return new mp::filter::CGI;
232 struct metaproxy_1_filter_struct metaproxy_1_filter_cgi = {
243 * c-file-style: "Stroustrup"
244 * indent-tabs-mode: nil
246 * vim: shiftwidth=4 tabstop=8 expandtab