mirror of
https://github.com/clearlinux/uwsgi.git
synced 2026-05-16 19:53:44 +00:00
140 lines
2.6 KiB
C
140 lines
2.6 KiB
C
#include "../../uwsgi.h"
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#include <wordexp.h>
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extern struct uwsgi_server uwsgi;
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char *cgi_docroot;
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#define LONG_ARGS_CGI_BASE 17000 + ((9 + 1) * 100)
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#define LONG_ARGS_CGI LONG_ARGS_CGI_BASE + 1
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struct option uwsgi_cgi_options[] = {
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{"cgi", required_argument, 0, LONG_ARGS_CGI},
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{0, 0, 0, 0},
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};
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int uwsgi_cgi_init(){
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uwsgi_log("initialized CGI engine\n");
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return 1;
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}
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int uwsgi_cgi_request(struct wsgi_request *wsgi_req) {
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int i;
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pid_t cgi_pid;
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int waitpid_status;
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char *argv[2];
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char full_path[PATH_MAX];
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/* Standard CGI request */
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if (!wsgi_req->uh.pktsize) {
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uwsgi_log("Invalid CGI request. skip.\n");
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return -1;
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}
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if (uwsgi_parse_vars(wsgi_req)) {
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uwsgi_log("Invalid CGI request. skip.\n");
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return -1;
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}
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// check for file availability (and 'runnability')
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cgi_pid = fork();
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if (cgi_pid < 0) {
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uwsgi_error("fork()");
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return -1;
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}
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if (cgi_pid > 0) {
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// close input
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close(wsgi_req->poll.fd);
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wsgi_req->fd_closed = 1;
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// now wait for fd
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if (waitpid(cgi_pid, &waitpid_status ,0) > 0) {
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uwsgi_log("CGI FINISHED\n");
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}
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return 0;
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}
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// close all the fd except wsgi_req->poll.fd and 2;
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for(i=0;i< (int)uwsgi.max_fd;i++) {
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if (i != wsgi_req->poll.fd && i != 2) {
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close(i);
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}
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}
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// now map wsgi_req->poll.fd to 0 && 1
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if (wsgi_req->poll.fd != 0) {
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dup2(wsgi_req->poll.fd, 0);
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close(wsgi_req->poll.fd);
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}
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dup2(0,1);
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// fill cgi env
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for(i=0;i<wsgi_req->var_cnt;i++) {
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// no need to free the putenv() memory
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if (putenv(uwsgi_concat3n(wsgi_req->hvec[i].iov_base, wsgi_req->hvec[i].iov_len, "=", 1, wsgi_req->hvec[i+1].iov_base, wsgi_req->hvec[i+1].iov_len))) {
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uwsgi_error("putenv()");
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}
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i++;
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}
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char *path_info = uwsgi_concat4n(cgi_docroot, strlen(cgi_docroot), "/", 1,wsgi_req->path_info, wsgi_req->path_info_len, "", 0);
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uwsgi_log("requested %s %s\n", path_info, realpath(path_info, full_path));
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argv[0] = full_path;
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argv[1] = NULL;
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if (execv(argv[0], argv)) {
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uwsgi_error("execv()");
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}
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// never here
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exit(1);
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return 0;
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}
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void uwsgi_cgi_after_request(struct wsgi_request *wsgi_req) {
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if (uwsgi.shared->options[UWSGI_OPTION_LOGGING])
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log_request(wsgi_req);
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}
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int uwsgi_cgi_manage_options(int i, char *optarg) {
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switch(i) {
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case LONG_ARGS_CGI:
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cgi_docroot = optarg;
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return 1;
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}
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return 0;
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}
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struct uwsgi_plugin cgi_plugin = {
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.name = "cgi",
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.modifier1 = 9,
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.init = uwsgi_cgi_init,
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.options = uwsgi_cgi_options,
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.manage_opt = uwsgi_cgi_manage_options,
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.request = uwsgi_cgi_request,
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.after_request = uwsgi_cgi_after_request,
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};
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