1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
/* $Id: minissdpc.c,v 1.16 2012/03/05 19:42:46 nanard Exp $ */
/* Project : miniupnp
* Web : http://miniupnp.free.fr/
* Author : Thomas BERNARD
* copyright (c) 2005-2012 Thomas Bernard
* This software is subjet to the conditions detailed in the
* provided LICENCE file. */
/*#include <syslog.h>*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#if defined(_WIN32) || defined(__amigaos__) || defined(__amigaos4__)
#ifdef _WIN32
#include <winsock2.h>
#include <ws2tcpip.h>
#include <io.h>
#include <winsock.h>
#include <stdint.h>
#endif
#if defined(__amigaos__) || defined(__amigaos4__)
#include <sys/socket.h>
#endif
#if defined(__amigaos__)
#define uint16_t unsigned short
#endif
/* Hack */
#define UNIX_PATH_LEN 108
struct sockaddr_un {
uint16_t sun_family;
char sun_path[UNIX_PATH_LEN];
};
#else
#include <sys/socket.h>
#include <sys/un.h>
#endif
#include "minissdpc.h"
#include "miniupnpc.h"
#include "codelength.h"
struct UPNPDev *
getDevicesFromMiniSSDPD(const char * devtype, const char * socketpath)
{
struct UPNPDev * tmp;
struct UPNPDev * devlist = NULL;
unsigned char buffer[2048];
ssize_t n;
unsigned char * p;
unsigned char * url;
unsigned int i;
unsigned int urlsize, stsize, usnsize, l;
int s;
struct sockaddr_un addr;
s = socket(AF_UNIX, SOCK_STREAM, 0);
if(s < 0)
{
/*syslog(LOG_ERR, "socket(unix): %m");*/
perror("socket(unix)");
return NULL;
}
addr.sun_family = AF_UNIX;
strncpy(addr.sun_path, socketpath, sizeof(addr.sun_path));
/* TODO : check if we need to handle the EINTR */
if(connect(s, (struct sockaddr *)&addr, sizeof(struct sockaddr_un)) < 0)
{
/*syslog(LOG_WARNING, "connect(\"%s\"): %m", socketpath);*/
close(s);
return NULL;
}
stsize = strlen(devtype);
buffer[0] = 1; /* request type 1 : request devices/services by type */
p = buffer + 1;
l = stsize; CODELENGTH(l, p);
if(p + stsize > buffer + sizeof(buffer))
{
/* devtype is too long ! */
close(s);
return NULL;
}
memcpy(p, devtype, stsize);
p += stsize;
if(write(s, buffer, p - buffer) < 0)
{
/*syslog(LOG_ERR, "write(): %m");*/
perror("minissdpc.c: write()");
close(s);
return NULL;
}
n = read(s, buffer, sizeof(buffer));
if(n<=0)
{
perror("minissdpc.c: read()");
close(s);
return NULL;
}
p = buffer + 1;
for(i = 0; i < buffer[0]; i++)
{
if(p+2>=buffer+sizeof(buffer))
break;
DECODELENGTH(urlsize, p);
if(p+urlsize+2>=buffer+sizeof(buffer))
break;
url = p;
p += urlsize;
DECODELENGTH(stsize, p);
if(p+stsize+2>=buffer+sizeof(buffer))
break;
tmp = (struct UPNPDev *)malloc(sizeof(struct UPNPDev)+urlsize+stsize);
tmp->pNext = devlist;
tmp->descURL = tmp->buffer;
tmp->st = tmp->buffer + 1 + urlsize;
memcpy(tmp->buffer, url, urlsize);
tmp->buffer[urlsize] = '\0';
memcpy(tmp->buffer + urlsize + 1, p, stsize);
p += stsize;
tmp->buffer[urlsize+1+stsize] = '\0';
devlist = tmp;
/* added for compatibility with recent versions of MiniSSDPd
* >= 2007/12/19 */
DECODELENGTH(usnsize, p);
p += usnsize;
if(p>buffer + sizeof(buffer))
break;
}
close(s);
return devlist;
}
|
