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
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/*
* This file is part of MPlayer.
*
* Original author: M. Tourne
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <libsmbclient.h>
#include <unistd.h>
#include "common/msg.h"
#include "stream.h"
#include "options/m_option.h"
struct priv {
int fd;
};
static void smb_auth_fn(const char *server, const char *share,
char *workgroup, int wgmaxlen, char *username, int unmaxlen,
char *password, int pwmaxlen)
{
strncpy(workgroup, "LAN", wgmaxlen - 1);
}
static int control(stream_t *s, int cmd, void *arg) {
struct priv *p = s->priv;
switch(cmd) {
case STREAM_CTRL_GET_SIZE: {
off_t size = smbc_lseek(p->fd,0,SEEK_END);
smbc_lseek(p->fd,s->pos,SEEK_SET);
if(size != (off_t)-1) {
*(uint64_t *)arg = size;
return 1;
}
}
}
return STREAM_UNSUPPORTED;
}
static int seek(stream_t *s,int64_t newpos) {
struct priv *p = s->priv;
if(smbc_lseek(p->fd,newpos,SEEK_SET)<0) {
return 0;
}
return 1;
}
static int fill_buffer(stream_t *s, char* buffer, int max_len){
struct priv *p = s->priv;
int r = smbc_read(p->fd,buffer,max_len);
return (r <= 0) ? -1 : r;
}
static int write_buffer(stream_t *s, char* buffer, int len) {
struct priv *p = s->priv;
int r;
int wr = 0;
while (wr < len) {
r = smbc_write(p->fd,buffer,len);
if (r <= 0)
return -1;
wr += r;
buffer += r;
}
return len;
}
static void close_f(stream_t *s){
struct priv *p = s->priv;
smbc_close(p->fd);
}
static int open_f (stream_t *stream, int mode)
{
char *filename;
mode_t m = 0;
int64_t len;
int fd, err;
struct priv *priv = talloc_zero(stream, struct priv);
stream->priv = priv;
filename = stream->url;
if(mode == STREAM_READ)
m = O_RDONLY;
else if (mode == STREAM_WRITE) //who's gonna do that ?
m = O_RDWR|O_CREAT|O_TRUNC;
else {
MP_ERR(stream, "[smb] Unknown open mode %d\n", mode);
return STREAM_UNSUPPORTED;
}
if(!filename) {
MP_ERR(stream, "[smb] Bad url\n");
return STREAM_ERROR;
}
err = smbc_init(smb_auth_fn, 1);
if (err < 0) {
MP_ERR(stream, "Cannot init the libsmbclient library: %d\n",err);
return STREAM_ERROR;
}
fd = smbc_open(filename, m,0644);
if (fd < 0) {
MP_ERR(stream, "Could not open from LAN: '%s'\n", filename);
return STREAM_ERROR;
}
stream->flags = mode;
len = 0;
if(mode == STREAM_READ) {
len = smbc_lseek(fd,0,SEEK_END);
smbc_lseek (fd, 0, SEEK_SET);
}
if(len > 0 || mode == STREAM_WRITE) {
stream->flags |= MP_STREAM_SEEK;
stream->seek = seek;
if(mode == STREAM_READ) stream->end_pos = len;
}
priv->fd = fd;
stream->fill_buffer = fill_buffer;
stream->write_buffer = write_buffer;
stream->close = close_f;
stream->control = control;
return STREAM_OK;
}
const stream_info_t stream_info_smb = {
.name = "smb",
.open = open_f,
.protocols = (const char*[]){"smb", NULL},
};
|
