static void handle_fcgi_request()
{
int pipe_in[2];
int pipe_out[2];
int pipe_err[2];
char *filename;
char *last_slash;
pid_t pid;
struct fcgi_context fc;
if (pipe(pipe_in) < 0) goto err_pipein;
if (pipe(pipe_out) < 0) goto err_pipeout;
if (pipe(pipe_err) < 0) goto err_pipeerr;
switch((pid = fork())) {
case -1:
goto err_fork;
case 0: /* child */
filename = get_cgi_filename();
inherit_environment();
close(pipe_in[1]);
close(pipe_out[0]);
close(pipe_err[0]);
dup2(pipe_in[0], 0);
dup2(pipe_out[1], 1);
dup2(pipe_err[1], 2);
if (!filename)
error_403("Cannot get script name, is DOCUMENT_ROOT and SCRIPT_NAME set and is the script executable?", NULL);
last_slash = strrchr(filename, '/');
if (!last_slash)
error_403("Script name must be a fully qualified path", filename);
*last_slash = 0;
if (chdir(filename) < 0)
error_403("Cannot chdir to script directory", filename);
*last_slash = '/';
signal(SIGCHLD, SIG_DFL);
signal(SIGPIPE, SIG_DFL);
execl(filename, filename, NULL);
puts("Status: 502 Bad Gateway\nContent-type: text/plain\n\n502");
exit(99);
default: /* parent */
close(pipe_in[0]);
close(pipe_out[1]);
close(pipe_err[1]);
fc.fd_stdin = pipe_in[1];
fc.fd_stdout = pipe_out[0];
fc.fd_stderr = pipe_err[0];
fc.reply_state = REPLY_STATE_INIT;
fc.cgi_pid = pid;
fcgi_pass(&fc);
}
return;
err_fork:
close(pipe_err[0]);
close(pipe_err[1]);
err_pipeerr:
close(pipe_out[0]);
close(pipe_out[1]);
err_pipeout:
close(pipe_in[0]);
close(pipe_in[1]);
err_pipein:
FCGI_puts("Status: 502 Bad Gateway\nContent-type: text/plain\n");
FCGI_puts("System error");
}
static void handle_fcgi_request(void)
{
int pipe_in[2];
int pipe_out[2];
int pipe_err[2];
char *filename;
char *last_slash;
char *p;
pid_t pid;
struct fcgi_context fc;
if (pipe(pipe_in) < 0) goto err_pipein;
if (pipe(pipe_out) < 0) goto err_pipeout;
if (pipe(pipe_err) < 0) goto err_pipeerr;
switch((pid = fork())) {
case -1:
goto err_fork;
case 0: /* child */
close(pipe_in[1]);
close(pipe_out[0]);
close(pipe_err[0]);
dup2(pipe_in[0], 0);
dup2(pipe_out[1], 1);
dup2(pipe_err[1], 2);
close(pipe_in[0]);
close(pipe_out[1]);
close(pipe_err[1]);
close(FCGI_fileno(FCGI_stdout));
signal(SIGCHLD, SIG_DFL);
signal(SIGPIPE, SIG_DFL);
filename = get_cgi_filename();
inherit_environment();
if (!filename)
cgi_error("403 Forbidden", "Cannot get script name, are DOCUMENT_ROOT and SCRIPT_NAME (or SCRIPT_FILENAME) set and is the script executable?", NULL);
if (!is_allowed_program(filename))
cgi_error("403 Forbidden", "The given script is not allowed to execute", filename);
p = getenv("FCGI_CHDIR");
if (p == NULL) {
last_slash = strrchr(filename, '/');
if (!last_slash)
cgi_error("403 Forbidden", "Script name must be a fully qualified path", filename);
*last_slash = 0;
if (chdir(filename) < 0)
cgi_error("403 Forbidden", "Cannot chdir to script directory", filename);
*last_slash = '/';
} else if (strcmp(p, "-") != 0) {
if (chdir(p) < 0) {
cgi_error("403 Forbidden", "Cannot chdir to FCGI_CHDIR directory", p);
}
}
execl(filename, filename, (void *)NULL);
cgi_error("502 Bad Gateway", "Cannot execute script", filename);
default: /* parent */
close(pipe_in[0]);
close(pipe_out[1]);
close(pipe_err[1]);
fc.fd_stdin = pipe_in[1];
fc.fd_stdout = pipe_out[0];
fc.fd_stderr = pipe_err[0];
fc.reply_state = REPLY_STATE_INIT;
fc.cgi_pid = pid;
fcgi_pass(&fc);
}
return;
err_fork:
close(pipe_err[0]);
close(pipe_err[1]);
err_pipeerr:
close(pipe_out[0]);
close(pipe_out[1]);
err_pipeout:
close(pipe_in[0]);
close(pipe_in[1]);
err_pipein:
FCGI_puts("Status: 502 Bad Gateway\nContent-type: text/plain\n");
FCGI_puts("System error");
}
