#include "uhttpd.h"
-#include "uhttpd-cgi.h"
#include "uhttpd-utils.h"
+#include "uhttpd-cgi.h"
static struct http_response * uh_cgi_header_parse(char *buf, int len, int *off)
{
}
-void uh_cgi_request(struct client *cl, struct http_request *req)
+void uh_cgi_request(struct client *cl, struct http_request *req, struct uh_path_info *pi)
{
int i, hdroff, bufoff;
int hdrlen = 0;
struct timeval timeout;
struct http_response *res;
- struct uh_path_info *pi;
/* spawn pipes for me->child, child->me */
dup2(rfd[1], 1);
dup2(wfd[0], 0);
- if( (pi = uh_path_lookup(cl, req->url)) != NULL )
- {
- /* check for regular, world-executable file */
- if( (pi->stat.st_mode & S_IFREG) &&
- (pi->stat.st_mode & S_IXOTH)
- ) {
- /* build environment */
- clearenv();
-
- /* common information */
- setenv("GATEWAY_INTERFACE", "CGI/1.1", 1);
- setenv("SERVER_SOFTWARE", "uHTTPd", 1);
- setenv("PATH", "/sbin:/usr/sbin:/bin:/usr/bin", 1);
+ /* check for regular, world-executable file */
+ if( (pi->stat.st_mode & S_IFREG) &&
+ (pi->stat.st_mode & S_IXOTH)
+ ) {
+ /* build environment */
+ clearenv();
+
+ /* common information */
+ setenv("GATEWAY_INTERFACE", "CGI/1.1", 1);
+ setenv("SERVER_SOFTWARE", "uHTTPd", 1);
+ setenv("PATH", "/sbin:/usr/sbin:/bin:/usr/bin", 1);
#ifdef HAVE_TLS
- /* https? */
- if( cl->tls )
- setenv("HTTPS", "on", 1);
+ /* https? */
+ if( cl->tls )
+ setenv("HTTPS", "on", 1);
#endif
- /* addresses */
- setenv("SERVER_NAME", sa_straddr(&cl->servaddr), 1);
- setenv("SERVER_ADDR", sa_straddr(&cl->servaddr), 1);
- setenv("SERVER_PORT", sa_strport(&cl->servaddr), 1);
- setenv("REMOTE_HOST", sa_straddr(&cl->peeraddr), 1);
- setenv("REMOTE_ADDR", sa_straddr(&cl->peeraddr), 1);
- setenv("REMOTE_PORT", sa_strport(&cl->peeraddr), 1);
+ /* addresses */
+ setenv("SERVER_NAME", sa_straddr(&cl->servaddr), 1);
+ setenv("SERVER_ADDR", sa_straddr(&cl->servaddr), 1);
+ setenv("SERVER_PORT", sa_strport(&cl->servaddr), 1);
+ setenv("REMOTE_HOST", sa_straddr(&cl->peeraddr), 1);
+ setenv("REMOTE_ADDR", sa_straddr(&cl->peeraddr), 1);
+ setenv("REMOTE_PORT", sa_strport(&cl->peeraddr), 1);
- /* path information */
- setenv("SCRIPT_NAME", pi->name, 1);
- setenv("SCRIPT_FILENAME", pi->phys, 1);
- setenv("SCRIPT_WORKDIR", pi->wdir, 1); /* nonstandard */
- setenv("DOCUMENT_ROOT", pi->root, 1);
- setenv("QUERY_STRING", pi->query ? pi->query : "", 1);
+ /* path information */
+ setenv("SCRIPT_NAME", pi->name, 1);
+ setenv("SCRIPT_FILENAME", pi->phys, 1);
+ setenv("DOCUMENT_ROOT", pi->root, 1);
+ setenv("QUERY_STRING", pi->query ? pi->query : "", 1);
- if( pi->info )
- setenv("PATH_INFO", pi->info, 1);
+ if( pi->info )
+ setenv("PATH_INFO", pi->info, 1);
- /* http version */
- if( req->version > 1.0 )
- setenv("SERVER_PROTOCOL", "HTTP/1.1", 1);
- else
- setenv("SERVER_PROTOCOL", "HTTP/1.0", 1);
-
- /* request method */
- switch( req->method )
- {
- case UH_HTTP_MSG_GET:
- setenv("REQUEST_METHOD", "GET", 1);
- break;
+ /* http version */
+ if( req->version > 1.0 )
+ setenv("SERVER_PROTOCOL", "HTTP/1.1", 1);
+ else
+ setenv("SERVER_PROTOCOL", "HTTP/1.0", 1);
- case UH_HTTP_MSG_HEAD:
- setenv("REQUEST_METHOD", "HEAD", 1);
- break;
+ /* request method */
+ switch( req->method )
+ {
+ case UH_HTTP_MSG_GET:
+ setenv("REQUEST_METHOD", "GET", 1);
+ break;
- case UH_HTTP_MSG_POST:
- setenv("REQUEST_METHOD", "POST", 1);
- break;
- }
+ case UH_HTTP_MSG_HEAD:
+ setenv("REQUEST_METHOD", "HEAD", 1);
+ break;
- /* request url */
- setenv("REQUEST_URI", req->url, 1);
+ case UH_HTTP_MSG_POST:
+ setenv("REQUEST_METHOD", "POST", 1);
+ break;
+ }
- /* request message headers */
- foreach_header(i, req->headers)
- {
- if( ! strcasecmp(req->headers[i], "Accept") )
- setenv("HTTP_ACCEPT", req->headers[i+1], 1);
+ /* request url */
+ setenv("REQUEST_URI", req->url, 1);
- else if( ! strcasecmp(req->headers[i], "Accept-Charset") )
- setenv("HTTP_ACCEPT_CHARSET", req->headers[i+1], 1);
+ /* request message headers */
+ foreach_header(i, req->headers)
+ {
+ if( ! strcasecmp(req->headers[i], "Accept") )
+ setenv("HTTP_ACCEPT", req->headers[i+1], 1);
- else if( ! strcasecmp(req->headers[i], "Accept-Encoding") )
- setenv("HTTP_ACCEPT_ENCODING", req->headers[i+1], 1);
+ else if( ! strcasecmp(req->headers[i], "Accept-Charset") )
+ setenv("HTTP_ACCEPT_CHARSET", req->headers[i+1], 1);
- else if( ! strcasecmp(req->headers[i], "Accept-Language") )
- setenv("HTTP_ACCEPT_LANGUAGE", req->headers[i+1], 1);
+ else if( ! strcasecmp(req->headers[i], "Accept-Encoding") )
+ setenv("HTTP_ACCEPT_ENCODING", req->headers[i+1], 1);
- else if( ! strcasecmp(req->headers[i], "Authorization") )
- setenv("HTTP_AUTHORIZATION", req->headers[i+1], 1);
+ else if( ! strcasecmp(req->headers[i], "Accept-Language") )
+ setenv("HTTP_ACCEPT_LANGUAGE", req->headers[i+1], 1);
- else if( ! strcasecmp(req->headers[i], "Connection") )
- setenv("HTTP_CONNECTION", req->headers[i+1], 1);
+ else if( ! strcasecmp(req->headers[i], "Authorization") )
+ setenv("HTTP_AUTHORIZATION", req->headers[i+1], 1);
- else if( ! strcasecmp(req->headers[i], "Cookie") )
- setenv("HTTP_COOKIE", req->headers[i+1], 1);
+ else if( ! strcasecmp(req->headers[i], "Connection") )
+ setenv("HTTP_CONNECTION", req->headers[i+1], 1);
- else if( ! strcasecmp(req->headers[i], "Host") )
- setenv("HTTP_HOST", req->headers[i+1], 1);
+ else if( ! strcasecmp(req->headers[i], "Cookie") )
+ setenv("HTTP_COOKIE", req->headers[i+1], 1);
- else if( ! strcasecmp(req->headers[i], "Referer") )
- setenv("HTTP_REFERER", req->headers[i+1], 1);
+ else if( ! strcasecmp(req->headers[i], "Host") )
+ setenv("HTTP_HOST", req->headers[i+1], 1);
- else if( ! strcasecmp(req->headers[i], "User-Agent") )
- setenv("HTTP_USER_AGENT", req->headers[i+1], 1);
+ else if( ! strcasecmp(req->headers[i], "Referer") )
+ setenv("HTTP_REFERER", req->headers[i+1], 1);
- else if( ! strcasecmp(req->headers[i], "Content-Type") )
- setenv("CONTENT_TYPE", req->headers[i+1], 1);
+ else if( ! strcasecmp(req->headers[i], "User-Agent") )
+ setenv("HTTP_USER_AGENT", req->headers[i+1], 1);
- else if( ! strcasecmp(req->headers[i], "Content-Length") )
- setenv("CONTENT_LENGTH", req->headers[i+1], 1);
- }
+ else if( ! strcasecmp(req->headers[i], "Content-Type") )
+ setenv("CONTENT_TYPE", req->headers[i+1], 1);
+ else if( ! strcasecmp(req->headers[i], "Content-Length") )
+ setenv("CONTENT_LENGTH", req->headers[i+1], 1);
+ }
- /* execute child code ... */
- if( chdir(pi->wdir) )
- perror("chdir()");
- execl(pi->phys, pi->phys, NULL);
+ /* execute child code ... */
+ if( chdir(pi->root) )
+ perror("chdir()");
- /* in case it fails ... */
- printf(
- "Status: 500 Internal Server Error\r\n\r\n"
- "Unable to launch the requested CGI program:\n"
- " %s: %s\n",
- pi->phys, strerror(errno)
- );
- }
+ execl(pi->phys, pi->phys, NULL);
- /* 403 */
- else
- {
- printf(
- "Status: 403 Forbidden\r\n\r\n"
- "Access to this resource is forbidden\n"
- );
- }
+ /* in case it fails ... */
+ printf(
+ "Status: 500 Internal Server Error\r\n\r\n"
+ "Unable to launch the requested CGI program:\n"
+ " %s: %s\n",
+ pi->phys, strerror(errno)
+ );
}
- /* 404 */
+ /* 403 */
else
{
printf(
- "Status: 404 Not Found\r\n\r\n"
- "Unable to launch the requested CGI program:\n"
- " No such file or directory\n"
+ "Status: 403 Forbidden\r\n\r\n"
+ "Access to this resource is forbidden\n"
);
}
/* looks like eof from child */
else
{
+ /* cgi script did not output useful stuff at all */
+ if( ! header_sent )
+ {
+ uh_cgi_error_500(cl, req,
+ "The CGI program generated an invalid response:\n\n");
+
+ uh_http_send(cl, req, hdr, hdrlen);
+ }
+
/* send final chunk if we're in chunked transfer mode */
uh_http_send(cl, req, "", 0);
break;
projects / project / luci.git / blobdiff