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
|
/*
* Copyright (C) 2009-2012 the libgit2 contributors
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#include "common.h"
#include "git2/types.h"
#include "git2/remote.h"
#include "git2/net.h"
#include "transport.h"
#include "path.h"
static struct {
char *prefix;
git_transport_cb fn;
} transports[] = {
{"git://", git_transport_git},
{"http://", git_transport_http},
{"https://", git_transport_dummy},
{"file://", git_transport_local},
{"git+ssh://", git_transport_dummy},
{"ssh+git://", git_transport_dummy},
{NULL, 0}
};
#define GIT_TRANSPORT_COUNT (sizeof(transports)/sizeof(transports[0])) - 1
static git_transport_cb transport_find_fn(const char *url)
{
size_t i = 0;
// First, check to see if it's an obvious URL, which a URL scheme
for (i = 0; i < GIT_TRANSPORT_COUNT; ++i) {
if (!strncasecmp(url, transports[i].prefix, strlen(transports[i].prefix)))
return transports[i].fn;
}
/* still here? Check to see if the path points to a file on the local file system */
if ((git_path_exists(url) == 0) && git_path_isdir(url))
return &git_transport_local;
/* It could be a SSH remote path. Check to see if there's a : */
if (strrchr(url, ':'))
return &git_transport_dummy; /* SSH is an unsupported transport mechanism in this version of libgit2 */
return NULL;
}
/**************
* Public API *
**************/
int git_transport_dummy(git_transport **transport)
{
GIT_UNUSED(transport);
giterr_set(GITERR_NET, "This transport isn't implemented. Sorry");
return -1;
}
int git_transport_new(git_transport **out, const char *url)
{
git_transport_cb fn;
git_transport *transport;
int error;
fn = transport_find_fn(url);
if (fn == NULL) {
giterr_set(GITERR_NET, "Unsupported URL protocol");
return -1;
}
error = fn(&transport);
if (error < 0)
return error;
transport->url = git__strdup(url);
GITERR_CHECK_ALLOC(transport->url);
*out = transport;
return 0;
}
/* from remote.h */
int git_remote_valid_url(const char *url)
{
return transport_find_fn(url) != NULL;
}
int git_remote_supported_url(const char* url)
{
git_transport_cb transport_fn = transport_find_fn(url);
return ((transport_fn != NULL) && (transport_fn != &git_transport_dummy));
}
|
