auth.c 1.44 KB
Newer Older
1 2 3 4 5 6 7
/*
 * Copyright (C) the libgit2 contributors. All rights reserved.
 *
 * This file is part of libgit2, distributed under the GNU GPL v2 with
 * a Linking Exception. For full terms see the included COPYING file.
 */

8 9
#include "auth.h"

10 11
#include "git2.h"
#include "buffer.h"
12
#include "git2/sys/credential.h"
13 14

static int basic_next_token(
15 16
	git_buf *out,
	git_http_auth_context *ctx,
17
	git_credential *c)
18
{
19
	git_credential_userpass_plaintext *cred;
20 21 22 23 24
	git_buf raw = GIT_BUF_INIT;
	int error = -1;

	GIT_UNUSED(ctx);

25
	if (c->credtype != GIT_CREDENTIAL_USERPASS_PLAINTEXT) {
26
		git_error_set(GIT_ERROR_INVALID, "invalid credential type for basic auth");
27 28 29
		goto on_error;
	}

30
	cred = (git_credential_userpass_plaintext *)c;
31 32 33 34

	git_buf_printf(&raw, "%s:%s", cred->username, cred->password);

	if (git_buf_oom(&raw) ||
35 36
		git_buf_puts(out, "Basic ") < 0 ||
		git_buf_encode_base64(out, git_buf_cstr(&raw), raw.size) < 0)
37 38 39 40 41 42 43 44
		goto on_error;

	error = 0;

on_error:
	if (raw.size)
		git__memzero(raw.ptr, raw.size);

45
	git_buf_dispose(&raw);
46 47 48 49
	return error;
}

static git_http_auth_context basic_context = {
50
	GIT_HTTP_AUTH_BASIC,
51
	GIT_CREDENTIAL_USERPASS_PLAINTEXT,
52
	0,
53 54
	NULL,
	basic_next_token,
55
	NULL,
56 57 58 59
	NULL
};

int git_http_auth_basic(
60
	git_http_auth_context **out, const git_net_url *url)
61
{
62
	GIT_UNUSED(url);
63 64 65 66 67 68

	*out = &basic_context;
	return 0;
}

int git_http_auth_dummy(
69
	git_http_auth_context **out, const git_net_url *url)
70
{
71
	GIT_UNUSED(url);
72 73

	*out = NULL;
74
	return GIT_PASSTHROUGH;
75 76
}