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Railgun
tun
Commits
931872c2
Commit
931872c2
authored
Jun 30, 2022
by
nanamicat
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Merge remote-tracking branch 'origin/master'
parents
9941bd10
6ef1826c
Changes
1
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1 changed file
with
49 additions
and
13 deletions
+49
-13
main.cpp
main.cpp
+49
-13
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main.cpp
View file @
931872c2
...
...
@@ -44,15 +44,44 @@ void outbound(int raw, int tun) {
perror
(
"outbound read"
);
}
void
show_usage
()
{
printf
(
"Usage Help:
\n\n
"
);
printf
(
"-i <IP>: IP to connect
\n
"
);
printf
(
"-h: show this usage help"
);
return
;
}
int
main
(
int
argc
,
char
*
argv
[])
{
if
(
argc
<=
1
){
printf
(
"Wrong usage! Type -h to see usage help."
);
return
0
;
}
if
(
argv
[
1
]
==
"-h"
){
show_usage
();
return
0
;
}
if
(
argv
[
1
]
==
"-i"
){
ifreq
ifr
{};
ifr
.
ifr_flags
=
IFF_TUN
|
IFF_NO_PI
;
auto
raw
=
socket
(
AF_INET
,
SOCK_RAW
,
IPPROTO_IPIP
);
if
(
raw
<
0
){
perror
(
"socket init error"
);
return
-
1
;
}
auto
tun
=
open
(
"/dev/net/tun"
,
O_RDWR
);
ioctl
(
tun
,
TUNSETIFF
,
&
ifr
);
if
(
tun
<
0
){
perror
(
"tun init error"
);
return
-
1
;
}
if
(
ioctl
(
tun
,
TUNSETIFF
,
&
ifr
)
<
0
){
perror
(
"ioctl error"
);
return
-
1
;
}
remote
=
inet_addr
(
argv
[
1
]);
remote
=
inet_addr
(
argv
[
2
]);
std
::
cout
<<
raw
<<
std
::
endl
;
std
::
cout
<<
tun
<<
std
::
endl
;
...
...
@@ -61,4 +90,11 @@ int main(int argc, char *argv[]) {
std
::
thread
t2
(
outbound
,
raw
,
tun
);
t1
.
join
();
t2
.
join
();
return
0
;
}
else
{
printf
(
"Wrong usage! Type -h to see usage help."
);
return
0
;
}
}
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