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Thomas Hutchinson
comp30023-2018-project-1
Commits
05ebf666
Commit
05ebf666
authored
Apr 18, 2018
by
red_lebowski
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Makefile
+4
-0
4 additions, 0 deletions
Makefile
server.c
+189
-0
189 additions, 0 deletions
server.c
with
193 additions
and
0 deletions
Makefile
0 → 100644
+
4
−
0
View file @
05ebf666
server
:
gcc server.c
-o
server
-lpthread
clean
:
rm
server
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server.c
0 → 100644
+
189
−
0
View file @
05ebf666
#include
<stdio.h>
#include
<stdlib.h>
#include
<string.h>
#include
<sys/types.h>
#include
<sys/socket.h>
#include
<netinet/in.h>
#include
<unistd.h>
#include
<pthread.h>
char
*
slice
(
char
str
[],
int
start
,
int
finish
){
char
subarray
[
finish
-
start
+
1
];
int
i
;
for
(
i
=
start
;
i
<
finish
;
i
++
){
subarray
[
i
]
=
str
[
i
];
}
return
subarray
;
}
char
*
slice_str
(
const
char
*
str
,
size_t
start
,
size_t
last
)
{
size_t
j
=
0
;
char
buffer
[
strlen
(
str
)];
for
(
size_t
i
=
start
;
i
<=
last
;
++
i
)
{
buffer
[
j
++
]
=
str
[
i
];
}
buffer
[
j
]
=
0
;
return
buffer
;
}
char
*
get_mime
(
char
path
[]){
int
end_slice
=
strlen
(
path
);
if
(
strcmp
(
slice_str
(
path
,
end_slice
-
strlen
(
"js"
),
end_slice
),
"js"
)
==
0
){
return
"application/javascript"
;
}
else
if
(
strcmp
(
slice_str
(
path
,
end_slice
-
strlen
(
"html"
),
end_slice
),
"html"
)
==
0
){
return
"text/html"
;
}
else
if
(
strcmp
(
slice_str
(
path
,
end_slice
-
strlen
(
"css"
),
end_slice
),
"css"
)
==
0
){
return
"text/css"
;
}
else
if
(
strcmp
(
slice_str
(
path
,
end_slice
-
strlen
(
"jpg"
),
end_slice
),
"jpg"
)
==
0
){
return
"image/jpeg"
;
}
else
{
return
"N/A"
;
}
}
// returns the address requested
char
*
get_path
(
char
header
[]){
int
i
,
start_found
=
0
,
point_in_string
=
0
;
char
path
[
strlen
(
header
)];
for
(
i
=
0
;
i
<
20
;
i
++
){
int
h
=
header
[
i
];
//find the start of the path
if
(
h
==
*
"/"
&&
start_found
==
0
){
start_found
=
1
;
printf
(
"%c"
,
header
[
i
]);
}
else
if
(
start_found
&&
h
==
*
" "
){
printf
(
"
\n
"
);
break
;
}
else
if
(
start_found
){
path
[
point_in_string
]
=
header
[
i
];
point_in_string
++
;
printf
(
"%c"
,
header
[
i
]);
}
}
return
slice
(
path
,
0
,
point_in_string
);
}
void
*
connection_handler
(
void
*
sock
){
}
int
main
(
int
argc
,
char
**
argv
)
{
int
sockfd
,
newsockfd
,
portno
;
char
buffer
[
256
];
struct
sockaddr_in
serv_addr
,
cli_addr
;
socklen_t
clilen
;
int
n
;
if
(
argc
<
2
)
{
fprintf
(
stderr
,
"ERROR, no port provided
\n
"
);
exit
(
1
);
}
// create a TCP socket
sockfd
=
socket
(
AF_INET
,
SOCK_STREAM
,
0
);
if
(
sockfd
<
0
)
{
perror
(
"ERROR opening socket"
);
exit
(
1
);
}
bzero
((
char
*
)
&
serv_addr
,
sizeof
(
serv_addr
));
portno
=
atoi
(
argv
[
1
]);
// create address to connect
serv_addr
.
sin_family
=
AF_INET
;
serv_addr
.
sin_addr
.
s_addr
=
INADDR_ANY
;
serv_addr
.
sin_port
=
htons
(
portno
);
// store in machine-neutral format
/* Bind address to the socket */
if
(
bind
(
sockfd
,
(
struct
sockaddr
*
)
&
serv_addr
,
sizeof
(
serv_addr
))
<
0
)
{
perror
(
"ERROR on binding"
);
exit
(
1
);
}
/* Listen on socket - means we're ready to accept connections -
incoming connection requests will be queued */
listen
(
sockfd
,
5
);
clilen
=
sizeof
(
cli_addr
);
/* Accept a connection - block until a connection is ready to
be accepted. Get back a new file descriptor to communicate on. */
newsockfd
=
accept
(
sockfd
,
(
struct
sockaddr
*
)
&
cli_addr
,
&
clilen
);
if
(
newsockfd
<
0
)
{
perror
(
"ERROR on accept"
);
exit
(
1
);
}
bzero
(
buffer
,
256
);
/* Read characters from the connection,
then process */
n
=
read
(
newsockfd
,
buffer
,
255
);
if
(
n
<
0
)
{
perror
(
"ERROR reading from socket"
);
exit
(
1
);
}
char
found_header
[]
=
"HTTP/1.1 200 OK"
;
char
unfound_header
[]
=
"HTTP/1.1 404 Not Found"
;
char
path
[
80
];
strcpy
(
path
,
argv
[
2
]);
strcat
(
path
,
get_path
(
buffer
));
printf
(
"This is the path: |%s| %d
\n
"
,
path
,
strlen
(
path
));
printf
(
"Here is the message: %s
\n
"
,
buffer
);
FILE
*
file
;
file
=
fopen
(
path
,
"r"
);
char
msg
[
1024
];
if
(
!
file
){
printf
(
"the file is not there"
);
strncpy
(
msg
,
unfound_header
,
1024
);
}
else
{
strncpy
(
msg
,
found_header
,
1024
);
char
*
mime
;
mime
=
get_mime
(
path
);
strcat
(
msg
,
"
\n
Content-Type: "
);
strcat
(
msg
,
mime
);
strcat
(
msg
,
"
\r\r\n\n
"
);
char
line
[
100
];
while
(
fgets
(
line
,
1024
,
file
)){
strcat
(
msg
,
line
);
}
printf
(
"we got the file: %s
\n
"
,
msg
);
}
n
=
write
(
newsockfd
,
msg
,
strlen
(
msg
));
if
(
n
<
0
)
{
perror
(
"ERROR writing to socket"
);
exit
(
1
);
}
/* close socket */
close
(
sockfd
);
return
0
;
}
\ No newline at end of file
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