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esp
mongoose
Commits
5f25a888
Commit
5f25a888
authored
Mar 02, 2014
by
Sergey Lyubka
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Plain Diff
Restored SSI functionality
parent
fd7dc336
Changes
1
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mongoose.c
mongoose.c
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mongoose.c
View file @
5f25a888
...
...
@@ -1094,6 +1094,9 @@ enum {
#ifndef _WIN32
RUN_AS_USER
,
#endif
#ifndef MONGOOSE_NO_SSI
SSI_PATTERN
,
#endif
#ifdef NS_ENABLE_SSL
SSL_CERTIFICATE
,
#endif
...
...
@@ -1132,6 +1135,9 @@ static const char *static_config_options[] = {
#ifndef _WIN32
"run_as_user"
,
NULL
,
#endif
#ifndef MONGOOSE_NO_SSI
"ssi_pattern"
,
"**.shtml$|**.shtm$"
,
#endif
#ifdef NS_ENABLE_SSL
"ssl_certificate"
,
NULL
,
#endif
...
...
@@ -3944,6 +3950,162 @@ static void handle_lsp_request(struct connection *conn, const char *path,
}
#endif // MONGOOSE_USE_LUA
#ifndef MONGOOSE_NO_SSI
static
void
send_ssi_file
(
struct
mg_connection
*
,
const
char
*
,
FILE
*
,
int
);
static
void
send_file_data
(
struct
mg_connection
*
conn
,
FILE
*
fp
)
{
char
buf
[
IOBUF_SIZE
];
int
n
;
while
((
n
=
fread
(
buf
,
1
,
sizeof
(
buf
),
fp
))
>
0
)
{
mg_write
(
conn
,
buf
,
n
);
}
}
static
void
do_ssi_include
(
struct
mg_connection
*
conn
,
const
char
*
ssi
,
char
*
tag
,
int
include_level
)
{
char
file_name
[
IOBUF_SIZE
],
path
[
MAX_PATH_SIZE
],
*
p
;
char
**
opts
=
(
MG_CONN_2_CONN
(
conn
))
->
server
->
config_options
;
FILE
*
fp
;
// sscanf() is safe here, since send_ssi_file() also uses buffer
// of size MG_BUF_LEN to get the tag. So strlen(tag) is always < MG_BUF_LEN.
if
(
sscanf
(
tag
,
" virtual=
\"
%[^
\"
]
\"
"
,
file_name
)
==
1
)
{
// File name is relative to the webserver root
mg_snprintf
(
path
,
sizeof
(
path
),
"%s%c%s"
,
opts
[
DOCUMENT_ROOT
],
'/'
,
file_name
);
}
else
if
(
sscanf
(
tag
,
" abspath=
\"
%[^
\"
]
\"
"
,
file_name
)
==
1
)
{
// File name is relative to the webserver working directory
// or it is absolute system path
mg_snprintf
(
path
,
sizeof
(
path
),
"%s"
,
file_name
);
}
else
if
(
sscanf
(
tag
,
" file=
\"
%[^
\"
]
\"
"
,
file_name
)
==
1
||
sscanf
(
tag
,
"
\"
%[^
\"
]
\"
"
,
file_name
)
==
1
)
{
// File name is relative to the currect document
mg_snprintf
(
path
,
sizeof
(
path
),
"%s"
,
ssi
);
if
((
p
=
strrchr
(
path
,
'/'
))
!=
NULL
)
{
p
[
1
]
=
'\0'
;
}
mg_snprintf
(
path
+
strlen
(
path
),
sizeof
(
path
)
-
strlen
(
path
),
"%s"
,
file_name
);
}
else
{
mg_printf
(
conn
,
"Bad SSI #include: [%s]"
,
tag
);
return
;
}
if
((
fp
=
fopen
(
path
,
"rb"
))
==
NULL
)
{
mg_printf
(
conn
,
"Cannot open SSI #include: [%s]: fopen(%s): %s"
,
tag
,
path
,
strerror
(
errno
));
}
else
{
ns_set_close_on_exec
(
fileno
(
fp
));
if
(
match_prefix
(
opts
[
SSI_PATTERN
],
strlen
(
opts
[
SSI_PATTERN
]),
path
)
>
0
)
{
send_ssi_file
(
conn
,
path
,
fp
,
include_level
+
1
);
}
else
{
send_file_data
(
conn
,
fp
);
}
fclose
(
fp
);
}
}
#ifndef MONGOOSE_NO_POPEN
static
void
do_ssi_exec
(
struct
mg_connection
*
conn
,
char
*
tag
)
{
char
cmd
[
IOBUF_SIZE
];
FILE
*
fp
;
if
(
sscanf
(
tag
,
"
\"
%[^
\"
]
\"
"
,
cmd
)
!=
1
)
{
mg_printf
(
conn
,
"Bad SSI #exec: [%s]"
,
tag
);
}
else
if
((
fp
=
popen
(
cmd
,
"r"
))
==
NULL
)
{
mg_printf
(
conn
,
"Cannot SSI #exec: [%s]: %s"
,
cmd
,
strerror
(
errno
));
}
else
{
send_file_data
(
conn
,
fp
);
pclose
(
fp
);
}
}
#endif // !MONGOOSE_NO_POPEN
static
void
send_ssi_file
(
struct
mg_connection
*
conn
,
const
char
*
path
,
FILE
*
fp
,
int
include_level
)
{
char
buf
[
IOBUF_SIZE
];
int
ch
,
offset
,
len
,
in_ssi_tag
;
if
(
include_level
>
10
)
{
mg_printf
(
conn
,
"SSI #include level is too deep (%s)"
,
path
);
return
;
}
in_ssi_tag
=
len
=
offset
=
0
;
while
((
ch
=
fgetc
(
fp
))
!=
EOF
)
{
if
(
in_ssi_tag
&&
ch
==
'>'
)
{
in_ssi_tag
=
0
;
buf
[
len
++
]
=
(
char
)
ch
;
buf
[
len
]
=
'\0'
;
assert
(
len
<=
(
int
)
sizeof
(
buf
));
if
(
len
<
6
||
memcmp
(
buf
,
"<!--#"
,
5
)
!=
0
)
{
// Not an SSI tag, pass it
(
void
)
mg_write
(
conn
,
buf
,
(
size_t
)
len
);
}
else
{
if
(
!
memcmp
(
buf
+
5
,
"include"
,
7
))
{
do_ssi_include
(
conn
,
path
,
buf
+
12
,
include_level
);
#if !defined(MONGOOSE_NO_POPEN)
}
else
if
(
!
memcmp
(
buf
+
5
,
"exec"
,
4
))
{
do_ssi_exec
(
conn
,
buf
+
9
);
#endif // !NO_POPEN
}
else
{
mg_printf
(
conn
,
"%s: unknown SSI "
"command:
\"
%s
\"
"
,
path
,
buf
);
}
}
len
=
0
;
}
else
if
(
in_ssi_tag
)
{
if
(
len
==
5
&&
memcmp
(
buf
,
"<!--#"
,
5
)
!=
0
)
{
// Not an SSI tag
in_ssi_tag
=
0
;
}
else
if
(
len
==
(
int
)
sizeof
(
buf
)
-
2
)
{
mg_printf
(
conn
,
"%s: SSI tag is too large"
,
path
);
len
=
0
;
}
buf
[
len
++
]
=
ch
&
0xff
;
}
else
if
(
ch
==
'<'
)
{
in_ssi_tag
=
1
;
if
(
len
>
0
)
{
mg_write
(
conn
,
buf
,
(
size_t
)
len
);
}
len
=
0
;
buf
[
len
++
]
=
ch
&
0xff
;
}
else
{
buf
[
len
++
]
=
ch
&
0xff
;
if
(
len
==
(
int
)
sizeof
(
buf
))
{
mg_write
(
conn
,
buf
,
(
size_t
)
len
);
len
=
0
;
}
}
}
// Send the rest of buffered data
if
(
len
>
0
)
{
mg_write
(
conn
,
buf
,
(
size_t
)
len
);
}
}
static
void
handle_ssi_request
(
struct
connection
*
conn
,
const
char
*
path
)
{
FILE
*
fp
;
struct
vec
mime_vec
;
if
((
fp
=
fopen
(
path
,
"rb"
))
==
NULL
)
{
send_http_error
(
conn
,
500
,
"fopen(%s): %s"
,
path
,
strerror
(
errno
));
}
else
{
ns_set_close_on_exec
(
fileno
(
fp
));
get_mime_type
(
conn
->
server
,
path
,
&
mime_vec
);
conn
->
mg_conn
.
status_code
=
200
;
mg_printf
(
&
conn
->
mg_conn
,
"HTTP/1.1 %d OK
\r\n
"
"Content-Type: %.*s
\r\n
"
"Connection: close
\r\n\r\n
"
,
conn
->
mg_conn
.
status_code
,
(
int
)
mime_vec
.
len
,
mime_vec
.
ptr
);
send_ssi_file
(
&
conn
->
mg_conn
,
path
,
fp
,
0
);
fclose
(
fp
);
close_local_endpoint
(
conn
);
}
}
#endif
static
void
open_local_endpoint
(
struct
connection
*
conn
,
int
skip_user
)
{
#ifndef MONGOOSE_NO_FILESYSTEM
static
const
char
lua_pat
[]
=
LUA_SCRIPT_PATTERN
;
...
...
@@ -4045,6 +4207,12 @@ static void open_local_endpoint(struct connection *conn, int skip_user) {
#else
send_http_error
(
conn
,
501
,
NULL
);
#endif // !MONGOOSE_NO_CGI
#ifndef MONGOOSE_NO_SSI
}
else
if
(
match_prefix
(
conn
->
server
->
config_options
[
SSI_PATTERN
],
strlen
(
conn
->
server
->
config_options
[
SSI_PATTERN
]),
path
)
>
0
)
{
handle_ssi_request
(
conn
,
path
);
#endif
}
else
if
(
is_not_modified
(
conn
,
&
st
))
{
send_http_error
(
conn
,
304
,
NULL
);
}
else
if
((
conn
->
endpoint
.
fd
=
open
(
path
,
O_RDONLY
|
O_BINARY
))
!=
-
1
)
{
...
...
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