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lvzhengyang
git2
Commits
5585e358
Unverified
Commit
5585e358
authored
Mar 20, 2018
by
Edward Thomson
Committed by
GitHub
Mar 20, 2018
Browse files
Options
Browse Files
Download
Plain Diff
Merge pull request #4563 from libgit2/ethomson/ssh-unescape
Refactor `gitno_extract_url_parts`
parents
31985775
9108959a
Hide whitespace changes
Inline
Side-by-side
Showing
6 changed files
with
163 additions
and
64 deletions
+163
-64
src/buffer.c
+31
-1
src/buffer.h
+3
-0
src/netops.c
+73
-60
src/transports/ssh.c
+5
-3
tests/buf/percent.c
+49
-0
tests/transport/register.c
+2
-0
No files found.
src/buffer.c
View file @
5585e358
...
@@ -212,7 +212,7 @@ int git_buf_put(git_buf *buf, const char *data, size_t len)
...
@@ -212,7 +212,7 @@ int git_buf_put(git_buf *buf, const char *data, size_t len)
size_t
new_size
;
size_t
new_size
;
assert
(
data
);
assert
(
data
);
GITERR_CHECK_ALLOC_ADD
(
&
new_size
,
buf
->
size
,
len
);
GITERR_CHECK_ALLOC_ADD
(
&
new_size
,
buf
->
size
,
len
);
GITERR_CHECK_ALLOC_ADD
(
&
new_size
,
new_size
,
1
);
GITERR_CHECK_ALLOC_ADD
(
&
new_size
,
new_size
,
1
);
ENSURE_SIZE
(
buf
,
new_size
);
ENSURE_SIZE
(
buf
,
new_size
);
...
@@ -455,6 +455,36 @@ on_error:
...
@@ -455,6 +455,36 @@ on_error:
return
-
1
;
return
-
1
;
}
}
#define HEX_DECODE(c) ((c | 32) % 39 - 9)
int
git_buf_decode_percent
(
git_buf
*
buf
,
const
char
*
str
,
size_t
str_len
)
{
size_t
str_pos
,
new_size
;
GITERR_CHECK_ALLOC_ADD
(
&
new_size
,
buf
->
size
,
str_len
);
GITERR_CHECK_ALLOC_ADD
(
&
new_size
,
new_size
,
1
);
ENSURE_SIZE
(
buf
,
new_size
);
for
(
str_pos
=
0
;
str_pos
<
str_len
;
buf
->
size
++
,
str_pos
++
)
{
if
(
str
[
str_pos
]
==
'%'
&&
str_len
>
str_pos
+
2
&&
isxdigit
(
str
[
str_pos
+
1
])
&&
isxdigit
(
str
[
str_pos
+
2
]))
{
buf
->
ptr
[
buf
->
size
]
=
(
HEX_DECODE
(
str
[
str_pos
+
1
])
<<
4
)
+
HEX_DECODE
(
str
[
str_pos
+
2
]);
str_pos
+=
2
;
}
else
{
buf
->
ptr
[
buf
->
size
]
=
str
[
str_pos
];
}
}
buf
->
ptr
[
buf
->
size
]
=
'\0'
;
return
0
;
}
int
git_buf_vprintf
(
git_buf
*
buf
,
const
char
*
format
,
va_list
ap
)
int
git_buf_vprintf
(
git_buf
*
buf
,
const
char
*
format
,
va_list
ap
)
{
{
size_t
expected_size
,
new_size
;
size_t
expected_size
,
new_size
;
...
...
src/buffer.h
View file @
5585e358
...
@@ -190,6 +190,9 @@ int git_buf_encode_base85(git_buf *buf, const char *data, size_t len);
...
@@ -190,6 +190,9 @@ int git_buf_encode_base85(git_buf *buf, const char *data, size_t len);
/* Decode the given "base85" and write the result to the buffer */
/* Decode the given "base85" and write the result to the buffer */
int
git_buf_decode_base85
(
git_buf
*
buf
,
const
char
*
base64
,
size_t
len
,
size_t
output_len
);
int
git_buf_decode_base85
(
git_buf
*
buf
,
const
char
*
base64
,
size_t
len
,
size_t
output_len
);
/* Decode the given percent-encoded string and write the result to the buffer */
int
git_buf_decode_percent
(
git_buf
*
buf
,
const
char
*
str
,
size_t
len
);
/*
/*
* Insert, remove or replace a portion of the buffer.
* Insert, remove or replace a portion of the buffer.
*
*
...
...
src/netops.c
View file @
5585e358
...
@@ -206,83 +206,96 @@ void gitno_connection_data_free_ptrs(gitno_connection_data *d)
...
@@ -206,83 +206,96 @@ void gitno_connection_data_free_ptrs(gitno_connection_data *d)
git__free
(
d
->
pass
);
d
->
pass
=
NULL
;
git__free
(
d
->
pass
);
d
->
pass
=
NULL
;
}
}
#define hex2c(c) ((c | 32) % 39 - 9)
static
char
*
unescape
(
char
*
str
)
{
int
x
,
y
;
int
len
=
(
int
)
strlen
(
str
);
for
(
x
=
y
=
0
;
str
[
y
];
++
x
,
++
y
)
{
if
((
str
[
x
]
=
str
[
y
])
==
'%'
)
{
if
(
y
<
len
-
2
&&
isxdigit
(
str
[
y
+
1
])
&&
isxdigit
(
str
[
y
+
2
]))
{
str
[
x
]
=
(
hex2c
(
str
[
y
+
1
])
<<
4
)
+
hex2c
(
str
[
y
+
2
]);
y
+=
2
;
}
}
}
str
[
x
]
=
'\0'
;
return
str
;
}
int
gitno_extract_url_parts
(
int
gitno_extract_url_parts
(
char
**
hos
t
,
char
**
host_ou
t
,
char
**
por
t
,
char
**
port_ou
t
,
char
**
path
,
char
**
path_out
,
char
**
username
,
char
**
username_out
,
char
**
password
,
char
**
password_out
,
const
char
*
url
,
const
char
*
url
,
const
char
*
default_port
)
const
char
*
default_port
)
{
{
struct
http_parser_url
u
=
{
0
};
struct
http_parser_url
u
=
{
0
};
const
char
*
_host
,
*
_port
,
*
_path
,
*
_userinfo
;
bool
has_host
,
has_port
,
has_path
,
has_userinfo
;
git_buf
host
=
GIT_BUF_INIT
,
port
=
GIT_BUF_INIT
,
path
=
GIT_BUF_INIT
,
username
=
GIT_BUF_INIT
,
password
=
GIT_BUF_INIT
;
int
error
=
0
;
if
(
http_parser_parse_url
(
url
,
strlen
(
url
),
false
,
&
u
))
{
if
(
http_parser_parse_url
(
url
,
strlen
(
url
),
false
,
&
u
))
{
giterr_set
(
GITERR_NET
,
"malformed URL '%s'"
,
url
);
giterr_set
(
GITERR_NET
,
"malformed URL '%s'"
,
url
);
return
GIT_EINVALIDSPEC
;
error
=
GIT_EINVALIDSPEC
;
goto
done
;
}
}
_host
=
url
+
u
.
field_data
[
UF_HOST
].
off
;
has_host
=
!!
(
u
.
field_set
&
(
1
<<
UF_HOST
))
;
_port
=
url
+
u
.
field_data
[
UF_PORT
].
off
;
has_port
=
!!
(
u
.
field_set
&
(
1
<<
UF_PORT
))
;
_path
=
url
+
u
.
field_data
[
UF_PATH
].
off
;
has_path
=
!!
(
u
.
field_set
&
(
1
<<
UF_PATH
))
;
_userinfo
=
url
+
u
.
field_data
[
UF_USERINFO
].
off
;
has_userinfo
=
!!
(
u
.
field_set
&
(
1
<<
UF_USERINFO
))
;
if
(
u
.
field_set
&
(
1
<<
UF_HOST
))
{
if
(
has_host
)
{
*
host
=
git__substrdup
(
_host
,
u
.
field_data
[
UF_HOST
].
len
);
const
char
*
url_host
=
url
+
u
.
field_data
[
UF_HOST
].
off
;
GITERR_CHECK_ALLOC
(
*
host
);
size_t
url_host_len
=
u
.
field_data
[
UF_HOST
].
len
;
git_buf_decode_percent
(
&
host
,
url_host
,
url_host_len
);
}
}
if
(
u
.
field_set
&
(
1
<<
UF_PORT
))
if
(
has_port
)
{
*
port
=
git__substrdup
(
_port
,
u
.
field_data
[
UF_PORT
].
len
);
const
char
*
url_port
=
url
+
u
.
field_data
[
UF_PORT
].
off
;
else
size_t
url_port_len
=
u
.
field_data
[
UF_PORT
].
len
;
*
port
=
git__strdup
(
default_port
);
git_buf_put
(
&
port
,
url_port
,
url_port_len
);
GITERR_CHECK_ALLOC
(
*
port
);
}
else
{
git_buf_puts
(
&
port
,
default_port
);
}
if
(
path
)
{
if
(
has_path
&&
path_out
)
{
if
(
u
.
field_set
&
(
1
<<
UF_PATH
))
{
const
char
*
url_path
=
url
+
u
.
field_data
[
UF_PATH
].
off
;
*
path
=
git__substrdup
(
_path
,
u
.
field_data
[
UF_PATH
].
len
);
size_t
url_path_len
=
u
.
field_data
[
UF_PATH
].
len
;
GITERR_CHECK_ALLOC
(
*
path
);
git_buf_decode_percent
(
&
path
,
url_path
,
url_path_len
);
}
else
{
}
else
if
(
path_out
)
{
git__free
(
*
port
);
giterr_set
(
GITERR_NET
,
"invalid url, missing path"
);
*
port
=
NULL
;
error
=
GIT_EINVALIDSPEC
;
git__free
(
*
host
);
goto
done
;
*
host
=
NULL
;
giterr_set
(
GITERR_NET
,
"invalid url, missing path"
);
return
GIT_EINVALIDSPEC
;
}
}
}
if
(
u
.
field_set
&
(
1
<<
UF_USERINFO
))
{
if
(
has_userinfo
)
{
const
char
*
colon
=
memchr
(
_userinfo
,
':'
,
u
.
field_data
[
UF_USERINFO
].
len
);
const
char
*
url_userinfo
=
url
+
u
.
field_data
[
UF_USERINFO
].
off
;
size_t
url_userinfo_len
=
u
.
field_data
[
UF_USERINFO
].
len
;
const
char
*
colon
=
memchr
(
url_userinfo
,
':'
,
url_userinfo_len
);
if
(
colon
)
{
if
(
colon
)
{
*
username
=
unescape
(
git__substrdup
(
_userinfo
,
colon
-
_userinfo
));
const
char
*
url_username
=
url_userinfo
;
*
password
=
unescape
(
git__substrdup
(
colon
+
1
,
u
.
field_data
[
UF_USERINFO
].
len
-
(
colon
+
1
-
_userinfo
)));
size_t
url_username_len
=
colon
-
url_userinfo
;
GITERR_CHECK_ALLOC
(
*
password
);
const
char
*
url_password
=
colon
+
1
;
size_t
url_password_len
=
url_userinfo_len
-
(
url_username_len
+
1
);
git_buf_decode_percent
(
&
username
,
url_username
,
url_username_len
);
git_buf_decode_percent
(
&
password
,
url_password
,
url_password_len
);
}
else
{
}
else
{
*
username
=
git__substrdup
(
_userinfo
,
u
.
field_data
[
UF_USERINFO
].
len
);
git_buf_decode_percent
(
&
username
,
url_userinfo
,
url_userinfo_
len
);
}
}
GITERR_CHECK_ALLOC
(
*
username
);
}
}
return
0
;
if
(
git_buf_oom
(
&
host
)
||
git_buf_oom
(
&
port
)
||
git_buf_oom
(
&
path
)
||
git_buf_oom
(
&
username
)
||
git_buf_oom
(
&
password
))
return
-
1
;
*
host_out
=
git_buf_detach
(
&
host
);
*
port_out
=
git_buf_detach
(
&
port
);
if
(
path_out
)
*
path_out
=
git_buf_detach
(
&
path
);
*
username_out
=
git_buf_detach
(
&
username
);
*
password_out
=
git_buf_detach
(
&
password
);
done:
git_buf_free
(
&
host
);
git_buf_free
(
&
port
);
git_buf_free
(
&
path
);
git_buf_free
(
&
username
);
git_buf_free
(
&
password
);
return
error
;
}
}
src/transports/ssh.c
View file @
5585e358
...
@@ -64,7 +64,7 @@ static void ssh_error(LIBSSH2_SESSION *session, const char *errmsg)
...
@@ -64,7 +64,7 @@ static void ssh_error(LIBSSH2_SESSION *session, const char *errmsg)
*/
*/
static
int
gen_proto
(
git_buf
*
request
,
const
char
*
cmd
,
const
char
*
url
)
static
int
gen_proto
(
git_buf
*
request
,
const
char
*
cmd
,
const
char
*
url
)
{
{
char
*
repo
;
c
onst
c
har
*
repo
;
int
len
;
int
len
;
size_t
i
;
size_t
i
;
...
@@ -92,8 +92,10 @@ done:
...
@@ -92,8 +92,10 @@ done:
len
=
strlen
(
cmd
)
+
1
/* Space */
+
1
/* Quote */
+
strlen
(
repo
)
+
1
/* Quote */
+
1
;
len
=
strlen
(
cmd
)
+
1
/* Space */
+
1
/* Quote */
+
strlen
(
repo
)
+
1
/* Quote */
+
1
;
git_buf_grow
(
request
,
len
);
git_buf_grow
(
request
,
len
);
git_buf_printf
(
request
,
"%s '%s'"
,
cmd
,
repo
);
git_buf_puts
(
request
,
cmd
);
git_buf_putc
(
request
,
'\0'
);
git_buf_puts
(
request
,
" '"
);
git_buf_decode_percent
(
request
,
repo
,
strlen
(
repo
));
git_buf_puts
(
request
,
"'"
);
if
(
git_buf_oom
(
request
))
if
(
git_buf_oom
(
request
))
return
-
1
;
return
-
1
;
...
...
tests/buf/percent.c
0 → 100644
View file @
5585e358
#include "clar_libgit2.h"
#include "buffer.h"
static
void
expect_decode_pass
(
const
char
*
expected
,
const
char
*
encoded
)
{
git_buf
in
=
GIT_BUF_INIT
,
out
=
GIT_BUF_INIT
;
/*
* ensure that we only read the given length of the input buffer
* by putting garbage at the end. this will ensure that we do
* not, eg, rely on nul-termination or walk off the end of the buf.
*/
cl_git_pass
(
git_buf_puts
(
&
in
,
encoded
));
cl_git_pass
(
git_buf_PUTS
(
&
in
,
"TRAILER"
));
cl_git_pass
(
git_buf_decode_percent
(
&
out
,
in
.
ptr
,
strlen
(
encoded
)));
cl_assert_equal_s
(
expected
,
git_buf_cstr
(
&
out
));
cl_assert_equal_i
(
strlen
(
expected
),
git_buf_len
(
&
out
));
git_buf_free
(
&
in
);
git_buf_free
(
&
out
);
}
void
test_buf_percent__decode_succeeds
(
void
)
{
expect_decode_pass
(
""
,
""
);
expect_decode_pass
(
" "
,
"%20"
);
expect_decode_pass
(
"a"
,
"a"
);
expect_decode_pass
(
" a"
,
"%20a"
);
expect_decode_pass
(
"a "
,
"a%20"
);
expect_decode_pass
(
"github.com"
,
"github.com"
);
expect_decode_pass
(
"github.com"
,
"githu%62.com"
);
expect_decode_pass
(
"github.com"
,
"github%2ecom"
);
expect_decode_pass
(
"foo bar baz"
,
"foo%20bar%20baz"
);
expect_decode_pass
(
"foo bar baz"
,
"foo%20bar%20baz"
);
expect_decode_pass
(
"foo bar "
,
"foo%20bar%20"
);
}
void
test_buf_percent__ignores_invalid
(
void
)
{
expect_decode_pass
(
"githu%%.com"
,
"githu%%.com"
);
expect_decode_pass
(
"github.co%2"
,
"github.co%2"
);
expect_decode_pass
(
"github%2.com"
,
"github%2.com"
);
expect_decode_pass
(
"githu%2z.com"
,
"githu%2z.com"
);
expect_decode_pass
(
"github.co%9z"
,
"github.co%9z"
);
expect_decode_pass
(
"github.co%2"
,
"github.co%2"
);
expect_decode_pass
(
"github.co%"
,
"github.co%"
);
}
tests/transport/register.c
View file @
5585e358
...
@@ -45,6 +45,8 @@ void test_transport_register__custom_transport_ssh(void)
...
@@ -45,6 +45,8 @@ void test_transport_register__custom_transport_ssh(void)
"ssh+git://somehost:somepath"
,
"ssh+git://somehost:somepath"
,
"git+ssh://somehost:somepath"
,
"git+ssh://somehost:somepath"
,
"git@somehost:somepath"
,
"git@somehost:somepath"
,
"ssh://somehost:somepath%20with%20%spaces"
,
"ssh://somehost:somepath with spaces"
};
};
git_transport
*
transport
;
git_transport
*
transport
;
unsigned
i
;
unsigned
i
;
...
...
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