1/* $Id: minisoap.c,v 1.23 2014/11/04 22:31:55 nanard Exp $ */
2/* Project : miniupnp
3 * Author : Thomas Bernard
4 * Copyright (c) 2005-2014 Thomas Bernard
5 * This software is subject to the conditions detailed in the
6 * LICENCE file provided in this distribution.
7 *
8 * Minimal SOAP implementation for UPnP protocol.
9 */
10#include <stdio.h>
11#include <string.h>
12#ifdef _WIN32
13#include <io.h>
14#include <winsock2.h>
15#define snprintf _snprintf
16#else
17#include <unistd.h>
18#include <sys/types.h>
19#include <sys/socket.h>
20#endif
21#include "minisoap.h"
22#include "miniupnpcstrings.h"
23
24/* only for malloc */
25#include <stdlib.h>
26
27#ifdef _WIN32
28#define PRINT_SOCKET_ERROR(x)    printf("Socket error: %s, %d\n", x, WSAGetLastError());
29#else
30#define PRINT_SOCKET_ERROR(x) perror(x)
31#endif
32
33/* httpWrite sends the headers and the body to the socket
34 * and returns the number of bytes sent */
35static int
36httpWrite(int fd, const char * body, int bodysize,
37          const char * headers, int headerssize)
38{
39	int n = 0;
40	/*n = write(fd, headers, headerssize);*/
41	/*if(bodysize>0)
42		n += write(fd, body, bodysize);*/
43	/* Note : my old linksys router only took into account
44	 * soap request that are sent into only one packet */
45	char * p;
46	/* TODO: AVOID MALLOC */
47	p = malloc(headerssize+bodysize);
48	if(!p)
49	  return 0;
50	memcpy(p, headers, headerssize);
51	memcpy(p+headerssize, body, bodysize);
52	/*n = write(fd, p, headerssize+bodysize);*/
53	n = send(fd, p, headerssize+bodysize, 0);
54	if(n<0) {
55	  PRINT_SOCKET_ERROR("send");
56	}
57	/* disable send on the socket */
58	/* draytek routers dont seems to like that... */
59#if 0
60#ifdef _WIN32
61	if(shutdown(fd, SD_SEND)<0) {
62#else
63	if(shutdown(fd, SHUT_WR)<0)	{ /*SD_SEND*/
64#endif
65		PRINT_SOCKET_ERROR("shutdown");
66	}
67#endif
68	free(p);
69	return n;
70}
71
72/* self explanatory  */
73int soapPostSubmit(int fd,
74                   const char * url,
75				   const char * host,
76				   unsigned short port,
77				   const char * action,
78				   const char * body,
79				   const char * httpversion)
80{
81	int bodysize;
82	char headerbuf[512];
83	int headerssize;
84	char portstr[8];
85	bodysize = (int)strlen(body);
86	/* We are not using keep-alive HTTP connections.
87	 * HTTP/1.1 needs the header Connection: close to do that.
88	 * This is the default with HTTP/1.0
89	 * Using HTTP/1.1 means we need to support chunked transfer-encoding :
90	 * When using HTTP/1.1, the router "BiPAC 7404VNOX" always use chunked
91	 * transfer encoding. */
92    /* Connection: Close is normally there only in HTTP/1.1 but who knows */
93	portstr[0] = '\0';
94	if(port != 80)
95		snprintf(portstr, sizeof(portstr), ":%hu", port);
96	headerssize = snprintf(headerbuf, sizeof(headerbuf),
97                       "POST %s HTTP/%s\r\n"
98	                   "Host: %s%s\r\n"
99					   "User-Agent: " OS_STRING ", " UPNP_VERSION_STRING ", MiniUPnPc/" MINIUPNPC_VERSION_STRING "\r\n"
100	                   "Content-Length: %d\r\n"
101					   "Content-Type: text/xml\r\n"
102					   "SOAPAction: \"%s\"\r\n"
103					   "Connection: Close\r\n"
104					   "Cache-Control: no-cache\r\n"	/* ??? */
105					   "Pragma: no-cache\r\n"
106					   "\r\n",
107					   url, httpversion, host, portstr, bodysize, action);
108#ifdef DEBUG
109	/*printf("SOAP request : headersize=%d bodysize=%d\n",
110	       headerssize, bodysize);
111	*/
112	printf("SOAP request : POST %s HTTP/%s - Host: %s%s\n",
113	        url, httpversion, host, portstr);
114	printf("SOAPAction: \"%s\" - Content-Length: %d\n", action, bodysize);
115	printf("Headers :\n%s", headerbuf);
116	printf("Body :\n%s\n", body);
117#endif
118	return httpWrite(fd, body, bodysize, headerbuf, headerssize);
119}
120
121
122